EP2722081A1 - Front abutment of a binding of a snow gliding device and snow gliding device provided with such a binding - Google Patents

Front abutment of a binding of a snow gliding device and snow gliding device provided with such a binding Download PDF

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Publication number
EP2722081A1
EP2722081A1 EP20130004920 EP13004920A EP2722081A1 EP 2722081 A1 EP2722081 A1 EP 2722081A1 EP 20130004920 EP20130004920 EP 20130004920 EP 13004920 A EP13004920 A EP 13004920A EP 2722081 A1 EP2722081 A1 EP 2722081A1
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EP
European Patent Office
Prior art keywords
stop
clamping
movable stop
movable
shoe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20130004920
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German (de)
French (fr)
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EP2722081B1 (en
Inventor
François Convert
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Salomon SAS
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Salomon SAS
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Publication of EP2722081A1 publication Critical patent/EP2722081A1/en
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Publication of EP2722081B1 publication Critical patent/EP2722081B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/10—Non-self-releasing toe jaw-irons; Non-self-releasing binding hooks made of one piece
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/0807—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings for both towing and downhill skiing
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08507—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws
    • A63C9/08528—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws pivoting about a longitudinal axis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/086—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings using parts which are fixed on the shoe of the user and are releasable from the ski binding
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557—Details of the release mechanism
    • A63C9/08571—Details of the release mechanism using axis and lever
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557—Details of the release mechanism
    • A63C9/08578—Details of the release mechanism using a plurality of biasing elements
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557—Details of the release mechanism
    • A63C9/08585—Details of the release mechanism using transverse biasing element

Definitions

  • the invention relates to bindings of a gliding apparatus, in particular a stop before ski touring and a gliding device equipped with such a binding.
  • the gliding device can be a ski, a snowshoe.
  • ski touring you climb the mountain with the help of cross-country skis. During climbing phases, these are equipped with a "seal skin" synthetic material that prevents the ski back.
  • these skis have a particular fastening device comprising a front stop allowing the ski touring shoes to pivot about a transverse axis, located at the front of the foot. This rotation makes it possible to move the heel of the user relative to the ski to exert an optimum thrust force during the climb.
  • the document EP-A-0 199 098 describes a ski touring binding whose front stop comprises two "L" -shaped clamping levers, each being articulated around a longitudinal axis. These arms comprise clamping lugs intended to cooperate with a touring ski boot.
  • the two clamping levers are articulated by a spring mechanism to occupy two stable positions.
  • a first stable position called clamping
  • clamping corresponds to a configuration in which the clamping lugs cooperate with corresponding hollow portions arranged laterally in the front part of the ski touring boot. This cooperation makes it possible to fix the boot by allowing only a rotational movement about an axis transverse to the ski.
  • a second stable position, called open corresponds to a configuration in which the clamping levers are spaced apart so that the clamping lugs free the boot which can then be separated from the ski touring.
  • the attachment of the front portion of the hiking boot on a ski touring equipped with such a stop before is performed as follows. In a first step, positioning the shoe while the two clamping levers of the stop are spaced, in the open position. In a second step, strongly presses, with the front of the sole of the shoe, on the mechanism based on springs. This action on the mechanism allows the passage of the clamping levers to their clamping position. The shoe is then attached to the front stop because in this position, the clamping lugs are housed in the corresponding hollow parts of the shoe.
  • the skier quickly encountered the difficulty of engaging the ski boots in these bindings. Indeed, it is necessary to present the shoe with its hollow parts in front of the lugs with a certain precision, which is not easy, especially because of the size of the ski boots, on the one hand, and the small size of the lugs of the front stop and the corresponding hollow housing of the shoe, on the other hand.
  • a first solution was provided by the document EP-A-1,559,457 which describes a variant of the previous solution in which the shoe has a groove under its lateral hollow connection parts whose function is the guiding of the shoe when it is positioned near the clamping pin of the front stop of the ski .
  • the clamping lugs are thus guided within the grooves of the shoe to come in front of the hollow portions provided for the attachment of the shoe.
  • the retractable stops proposed pivot around a transverse axis placed in front of the clamping levers.
  • the retraction of the stop is directly associated with a locking lever.
  • the retraction is achieved by the longitudinal translation of the front stop.
  • the stop is not retractable.
  • the solution comprises two fixed lateral stops of small sizes so as not to hinder the rotation of the boot when it is engaged with the front stop. These lateral stops are not very effective because they act on weak areas of contact. They are all the less so when the ski is in slope.
  • the present invention aims to at least partially overcome the aforementioned drawbacks by providing a stop before ski touring allowing easier engagement of the ski boot. Another objective is to propose a very simple retractable stop design.
  • the object of the invention is achieved by providing a stop before a gliding machine comprising two clamping parts vis-à-vis, each bearing at one end a clamping lug, the two clamping pieces being movable, relative to one another, between a clamping position of a front end of a shoe in which the lugs of tightening are brought together so as to cooperate with corresponding lateral housings arranged directly or indirectly in the boot to form a pivot axis of the boot, and an open position in which the locking lugs are spaced so as to release the shoe clamping parts.
  • the front stop also comprises a stop movable between an active position in which the movable stop is intended to come into contact with a portion of the front end of the shoe to position longitudinally the lateral housing of the shoe substantially at the lugs of the shoe. tightening, and a retracted position in which the movable stop is positioned so as not to disturb the normal pivoting of the boot in the climbing phase, the movable stop being in an active position when the two clamping pieces are in an open position.
  • the front stop is characterized in that the movable stop is directly related to the clamping pieces so that a relative displacement between the clamping parts causes the tilting of the movable stop between its active position and its retracted position.
  • the invention further relates to a touring ski equipped with a fastener as described above.
  • FIG. 1 On the figure 1 is represented a front portion of a ski 1 hiking provided with a fixing comprising a stop before hiking 3.
  • the front stop 3 comprises on the one hand a base 5 made in the form of a plate which is fixed for example by screwing on the top of the ski 1 and, on the other hand, two clamping parts 7a and 7b, called levers clamping thereafter, of general shape in "L" vis-à-vis pivotally articulated on bearings 9a and 9b associated protruding.
  • Each clamping lever 7a and 7b rotates about a substantially longitudinal axis of articulation Xa, Xb.
  • This axis of articulation Xa, Xb passes through the junction of two arms 11a / 15a, 11b / 15b of the clamping lever 7a, 7b.
  • the two axes of articulation Xa, Xb are arranged, at equal distance, on either side of a longitudinal vertical median plane of the ski.
  • each clamping lever 7a, 7b carries a respective clamping pin 13a and 13b.
  • the pivoting of the clamping levers 7a and 7b allows movement of the lugs 13a and 13b in a direction substantially transverse to the ski 1 between an open position, illustrated in FIG. figure 1 , and a clamping position, illustrated in figure 2 .
  • the open position the lugs 13a, 13b are spaced which allows to release a shoe 25.
  • the clamping position the lugs 13a, 13b are brought together so that they can cooperate with lateral housings 23a, 23b, complementary shape , in the latter case, the shoe 25 is retained by the stop before 3.
  • the two clamping levers 7a and 7b are connected to each other at their second recumbent arms 15a and 15b by a bistable elastic mechanism 17 between the open and clamping positions.
  • This bistable elastic mechanism 17 comprises a central articulation 19 as well as springs 21a and 21b carried by the recumbent arms 15a and 15b and bearing against the central articulation 19.
  • the central articulation 19 is formed by a pivot shaft 33 around which turn two shoes 18a, 18b.
  • Each pad 18a, 18b is slidably mounted relative to a shaft 16a, 16b fixed in the extension of a recumbent arm 15a and 15b.
  • the shafts 16a, 16b are not circular in section so that the pads 18a, 18b can only translate along the shafts 16a, 16b.
  • each pad 18a, 18b can be connected to a lying arm 15a, 15b by a plurality of shafts offset in a longitudinal direction. Unwanted rotation about an axis extending along a recumbent arm 15a, 15b is avoided.
  • a clamping lever 7a, 7b, or clamping parts comprises an upright arm 11a, 11b equipped with a clamping pin 13a, 13b and a recumbent arm 15a, 15b .
  • the recumbent arm 15a, 15b incorporates a portion of the bistable elastic mechanism 17, namely, a shaft 16a, 16b, a spring 21a, 21b and a pad 18a, 18b.
  • a pad 18a, 18b constitutes the end of a coated arm 15a, 15b of a clamping lever 7a, 7b.
  • the lugs 13a and 13b can take only two stable positions, the open position in which the lugs 7a and 7b are spaced apart, away one from the other ( Fig. 1 ), and a clamping position in which the lugs 13a and 13b are brought closer to each other ( Fig. 2 ).
  • the clamping lugs 13a and 13b are housed in the corresponding lateral housings 23a and 23b formed on the front of the shoe 25 to form a pivot axis of the front of the shoe for the climb.
  • the shoe connects a succession of pivoting between a substantially horizontal sole position and a substantially vertical sole position.
  • the pivot angle is variable and depends on the inclination of the slope to climb.
  • the normal pivoting of the boot in the climbing phase is of the order of 90 ° with respect to the upper face of the ski, from a horizontal reference to a vertical reference.
  • the latter also comprises at least one movable stop 27.
  • this movable stop 27 is shown as a single piece in perspective.
  • the movable stop 27 is, according to the present embodiment, integral with the bistable elastic mechanism 17 connecting the recumbent arms 15a and 15b of the two clamping levers 7a and 7b.
  • the movable stop 27 is integral with the central articulation 19 of the bistable elastic mechanism 17.
  • the movable stop 27 comprises an upright portion 29 and a recumbent portion 33.
  • the upright portion 29 is intended to come into contact, when the lugs are in the open position, with a portion of the front end 31 of the shoe 25.
  • the upright portion 29 is positioned relative to the recumbent portion 33 so that when the front end 31 of the shoe reaches the upright portion, the lateral housings 23a and 23b of the shoe are substantially longitudinally positioned at the same location. level than the clamping lugs 13a and 13b.
  • the recumbent portion 33 forms the pivot shaft of the central articulation 19 of the bistable mechanism 17.
  • the erected portion 29 of the mobile stop 27 has at its free end a transverse bar 35.
  • the upper face of the transverse bar 35 has advantageously between its ends 37a and 37b a central recess 39 which may have a concave shape to accommodate the outside of the shoe during pivoting. Consequently, in a vertical plane, the central portion is lower than the ends 37a and 37b of the transverse bar 35.
  • the transverse bar 35 is carried by two uprights 41a and 41b defining a passage opening 43 for a lever actuator 45.
  • the actuating lever 45 is pivotally articulated, about a transverse axis Y45, on an associated protruding bearing 48.
  • the transverse axis Y45 is positioned in front of the clamping levers 7a, 7b.
  • the actuating lever 45 is substantially rectilinear.
  • a first end 451 of the operating lever 45 forms a fork in which is housed the central articulation 19 of the so that a vertical movement of the fork 451 causes the vertical displacement of the central articulation 19. Consequently, an action on a second end 452 of this lever 45 can raise or lower the central articulation 19. With this lever, it can exert a significant effort to move from one stable position to the other bistable mechanism 17.
  • the lever is used to lift the central articulation 19 in order to move from a clamping position to an open position allowing the ski boot 25 to be released from the front stop 3. Indeed, the passage in the clamping position is done by simply pressing the front of the shoe on the central articulation 19.
  • a second end 452 of the operating lever 45 supports a locking lever 46.
  • This locking lever 46 is pivotally articulated, about a transverse axis Y46, on a traversing shaft 44 secured to the second end 452.
  • a spring of torsion 42 surrounds the traversing shaft 44 to connect a first arm 461 of the locking lever 46 to the actuating lever 45.
  • the torsion spring 42 maintains the locking lever 46 in a locking configuration of the operating lever 45, when the lugs are in the clamping position.
  • the central articulation 19 is lowered which results in a lifting of the second end 452 of the actuating lever 45. Therefore, the torsion spring 42 exerts a force on the first arm 461 of the locking lever 46 causing the rotation of the arms of the lever to an abutment integral with the actuating lever 45 and, as a consequence, the removal of a second arm 462 from the locking lever 46 of the operating lever 45.
  • the second arm 462 extends substantially vertically, slightly oriented forwards, so that if the second end 452 of the actuating lever 45 is lowered directly, the free end of the second arm 462 of the locking lever 46 comes into contact with the base 5 very quickly, thus blocking the continuation of the lowering of the second end 452 of the operating lever 45.
  • the front stop 3 is then locked. The lugs are held in the clamping position.
  • the free end of the first arm 461 of the locking lever 46 comprises a recess 40, directed upwards, intended to receive the end of a ski pole. The skier can thus take off simply by pressing with his stick on the locking lever 46.
  • the movable stop 27 and more particularly the transverse bar 35 can move between an active stop position (shown on the figures 1 , 4 and 5 ) and a retracted position (shown on figures 2 , 6 and 7 ).
  • the movable stop 27 serves as a reference to the longitudinal positioning of a portion of the front end 31 of the shoe. ski 25 as previously described.
  • the movable stop 27 In the retracted position that is, in the present example, a lowered position, the movable stop 27 is spaced from the path of the end of the ski boot 25 during upward pivoting movements, so as not to hinder the rotation.
  • the position of the movable stop Z7 in the active position positions the ski boot 25 so that the pivot axis Y23 of the ski boot 25, defined by the housings 23a and 23b, is positioned with a shift preferentially between 1 and 4 mm, slightly before the axis Y7 defined by the clamping lugs 13a and 13b in the clamping position.
  • This positioning offset of the boot to the front allows to retreat the ski boot 25 when tilting the clamping levers 7a and 7b in the clamping position.
  • This recess accentuates the clearance or separation of the mobile stop 27 of the front end 31 of the ski boot 25 in the clamping position.
  • This spacing contributes to the retraction of the movable stop so as not to disturb the pivoting of the boot. Indeed, the more the movable stop is away from the front of the shoe, the less there is a risk of interference between these parts during the rotation of the shoe.
  • the stop before 3 ski touring is in the open position.
  • the clamping lugs 13a and 13b are spaced apart.
  • the movable stop 27 is raised.
  • the boot 25 is placed so that its front end 31 bears longitudinally against the movable stop 27 which is easily achievable because of its size and its central position.
  • This allows to position the lugs 13a and 13b in front of the housing 23a and 23b with possibly a slight shift "d" to the front, as explained above.
  • it is sufficient to press with the front of the sole on the bistable elastic mechanism 17 and, more particularly, at the central articulation 19.
  • This pressure must be sufficient to overcome the force of the bistable elastic mechanism 17.
  • This effort helps to lower the central articulation 19 to tilt the bistable elastic mechanism 17 in its second stable position. As a result, this movement allows the engagement of the clamping lugs 13a and 13b in the housings 23a and 23b in a stable manner.
  • the shoe is then retained by the front stop.
  • the lowering of the central articulation 19 simultaneously causes the locking of the actuating lever 45, thanks to the torsion spring 42 acting on the locking lever 46.
  • the movable stop 27 is integral with the central articulation 19, the lowering of the central articulation 19 causes the lowering of the movable stop 27.
  • this biasing makes it possible to maximize the amplitude of movement of the mobile stop 27 because the central articulation 19 is located at the end of the arms 15a, 15b of the clamping levers 7a, 7b.
  • the central articulation 19 is located on a part of the clamping levers 7a, 7b furthest from the articulation axes Xa, Xb.
  • the pivoting of a lever causes a maximum displacement amplitude at the ends of the lever. This is the case for the central articulation 19 with such a construction.
  • the movable stop retracts by a substantially vertical movement.
  • substantially vertical is meant that the movement of the stop follows a trajectory of plus or minus thirty degrees with respect to a direction perpendicular to the upper surface of the sld.
  • the movable stop 27 is completely clear of the passage of the ski boot 25 during pivoting uphill movements.
  • a dashed square 35o the location of the middle section of the crossbar 35 when the movable stop 27 is in the open position.
  • the front stop may not have a locking lever 46.
  • the bistable elastic mechanism 17 may be different.
  • it may include bending blades instead of springs 21a, 21b or more springs. He may have more stable positions.
  • the clamping pieces can be continuously solicited by an elastic means, with only one stable position, the clamping position.
  • the stop does not include a bistable elastic mechanism supported by the clamping levers.
  • the tilting of a clamping position to a clamping position is achieved by the operation of the actuating lever 45.
  • the clamping levers are then much simpler.
  • the movable stop is then in contact with the end of the coated arm of each clamping lever.
  • the lateral housings 23a, 23b are directly formed in the sole of the boot 25.
  • these lateral housings 23a, 23b are provided on a piece attached to the boot removably or no.
  • the lateral housings 23a, 23b are indirectly formed in the shoe 25.
  • the invention specifies that the movable stop 27 is integral with the central articulation 19, the invention extends to other embodiments as far as the movable stop 27 is directly related to the clamping pieces 7a, 7b. What is important is that the retraction of the movable stop 27 is directly caused by the relative movement between the clamping parts 7a, 7b. Thus, the relative displacement between the clamping pieces 7a; 7b causes the movable stop 27 to tilt between its active position and its retracted position.
  • the movable stop can also be divided into two parts, each part being carried by a clamping piece.
  • the invention also applies to other clamping parts.
  • the approximation of the clamping lugs 13a, 13b may result from a translation of the clamping parts, a deformation of the arms of the clamping pieces, a rotation about substantially vertical axes.
  • the movable stop comprises a removable shim positioned to be interposed between the movable stop and the portion of the front end of the shoe.
  • the stop when the stop is in the active position, during the introduction of the shoe, it comes into contact with the wedge secured to the stop which allows to adjust the longitudinal positioning of the lateral housing of the shoe relative to the clamping lugs.
  • This is very useful in the case where shoes are used each having a dimension of their portion of the specific front end, different from one model to another.
  • the front stop is usable with different shoe models while retaining the aid to boot, that is to say, the mastery of the relative longitudinal positioning between the shoe and the front stop, before putting on.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

The stop (3) has two tightening parts (7a, 7b) that are arranged in front of each other, where each tightening part is levelled with an end (11a, 11b) and a tightening pin (13a, 13b). The tightening parts are movable with regard to each other between a tightening position of a front end of a shoe in which the pins are brought closer, and an open position in which the pins are isolated so as to release the shoe. A movable stop (27) is directly related to the tightening parts so that a relative displacement of the parts involves swing of the stop between its active and retracted position.

Description

L'invention concerne les fixations d'un engin de glisse, en particulier une butée avant de ski de randonnée et un engin de glisse équipé d'une telle fixation. L'engin de glisse peut être un ski, une raquette à neige.The invention relates to bindings of a gliding apparatus, in particular a stop before ski touring and a gliding device equipped with such a binding. The gliding device can be a ski, a snowshoe.

De nos jours, le ski de randonnée est une pratique de plus en plus apprécié par les sportifs et s'ouvre à un nombre croissant de pratiquants.Nowadays, the ski touring is a practice more and more appreciated by the sportsmen and opens with a growing number of practitioners.

En ski de randonnée, on gravit la montagne à l'aide de skis de randonnée. Lors des phases de montée, ceux-ci sont équipés d'une « peau de phoque » en matière synthétique qui empêche le recul du ski. De plus, ces skis présentent un dispositif de fixation particulière comprenant une butée avant permettant aux chaussures de ski de randonnée de pivoter autour d'un axe transversal, situé à l'avant du pied. Cette rotation rend possible un éloignement du talon de l'utilisateur par rapport au ski pour exercer un effort optimal de poussée pendant la montée.In ski touring, you climb the mountain with the help of cross-country skis. During climbing phases, these are equipped with a "seal skin" synthetic material that prevents the ski back. In addition, these skis have a particular fastening device comprising a front stop allowing the ski touring shoes to pivot about a transverse axis, located at the front of the foot. This rotation makes it possible to move the heel of the user relative to the ski to exert an optimum thrust force during the climb.

Le document EP-A-0 199 098 décrit une fixation de ski de randonnée dont la butée avant comprend deux leviers de serrage, en forme de « L », chacun étant articulé autour d'un axe longitudinal. Ces bras comprennent des ergots de serrage destinées à coopérer avec une chaussure de ski de randonnée. Les deux leviers de serrage sont articulés par un mécanisme à ressort afin d'occuper deux positions stables. Une première position stable, dite de serrage, correspond à une configuration dans laquelle les ergots de serrage coopèrent avec des parties creuses correspondantes aménagées latéralement dans la partie antérieure de la chaussure de ski de randonnée. Cette coopération permet de fixer la chaussure en autorisant uniquement un mouvement de rotation autour d'un axe transversal au ski. Une seconde position stable, dite ouverte, correspond à une configuration dans laquelle les leviers de serrage sont écartés de sorte que les ergots de serrage libèrent la chaussure qui peut alors être séparée du ski de randonnée.The document EP-A-0 199 098 describes a ski touring binding whose front stop comprises two "L" -shaped clamping levers, each being articulated around a longitudinal axis. These arms comprise clamping lugs intended to cooperate with a touring ski boot. The two clamping levers are articulated by a spring mechanism to occupy two stable positions. A first stable position, called clamping, corresponds to a configuration in which the clamping lugs cooperate with corresponding hollow portions arranged laterally in the front part of the ski touring boot. This cooperation makes it possible to fix the boot by allowing only a rotational movement about an axis transverse to the ski. A second stable position, called open, corresponds to a configuration in which the clamping levers are spaced apart so that the clamping lugs free the boot which can then be separated from the ski touring.

La fixation de la partie avant de la chaussure de randonnée sur un ski de randonnée équipé d'une telle butée avant est réalisée comme suit. Dans une première étape, on positionne la chaussure alors que les deux leviers de serrage de la butée sont écartés, en position ouverte. Dans une deuxième étape, on appuie fortement, avec l'avant de la semelle de la chaussure, sur le mécanisme à base de ressorts. Cette action sur le mécanisme permet le passage des leviers de serrage vers leur position de serrage. La chaussure est alors fixée à la butée avant du fait que dans cette position, les ergots de serrage sont logés dans les parties creuses correspondantes de la chaussure.The attachment of the front portion of the hiking boot on a ski touring equipped with such a stop before is performed as follows. In a first step, positioning the shoe while the two clamping levers of the stop are spaced, in the open position. In a second step, strongly presses, with the front of the sole of the shoe, on the mechanism based on springs. This action on the mechanism allows the passage of the clamping levers to their clamping position. The shoe is then attached to the front stop because in this position, the clamping lugs are housed in the corresponding hollow parts of the shoe.

Cependant, le skieur s'est rapidement heurté à la difficulté d'engager les chaussures de ski dans ces fixations. En effet, il est nécessaire de présenter la chaussure avec ses parties creuses en face des ergots avec une certaine précision, ce qui n'est pas aisée, en particulier du fait de la taille des chaussures de ski, d'une part, et de la petite taille des ergots de la butée avant ainsi que des logements creux correspondant de la chaussure, d'autre part.However, the skier quickly encountered the difficulty of engaging the ski boots in these bindings. Indeed, it is necessary to present the shoe with its hollow parts in front of the lugs with a certain precision, which is not easy, especially because of the size of the ski boots, on the one hand, and the small size of the lugs of the front stop and the corresponding hollow housing of the shoe, on the other hand.

Une première solution a été apportée par le document EP-A-1 559 457 qui décrit une variante de la solution précédente dans laquelle la chaussure présente une rainure sous ses parties creuses latérales de liaison dont la fonction est le guidage de la chaussure lorsqu'elle est positionnée aux abords de l'ergot de serrage de la butée avant du ski. Les ergots de serrage, sont ainsi guidés au sein des rainures de la chaussure jusqu'à venir en face des parties creuses prévues pour la fixation de la chaussure.A first solution was provided by the document EP-A-1,559,457 which describes a variant of the previous solution in which the shoe has a groove under its lateral hollow connection parts whose function is the guiding of the shoe when it is positioned near the clamping pin of the front stop of the ski . The clamping lugs, are thus guided within the grooves of the shoe to come in front of the hollow portions provided for the attachment of the shoe.

Bien que cette solution permette l'engagement de la chaussure avec un léger décalage longitudinal de la semelle, la fixation requiert toujours un positionnement longitudinal de la chaussure relativement précis. Cette butée n'apporte pas d'aide au chaussage.Although this solution allows the engagement of the shoe with a slight longitudinal shift of the sole, the attachment still requires a longitudinal positioning of the shoe relatively accurate. This stop does not provide footwear assistance.

D'autres conceptions connues consistent à prévoir des butées, escamotables ou non, destinées à coopérer avec l'avant de la chaussure afin de positionner longitudinalement la chaussure, de manière relativement précise. De telles butées sont décrites dans les documents EP-A-2 392 388 ou EP-A-2 300 111 .Other known designs consist in providing stops, retractable or not, intended to cooperate with the front of the shoe to position the shoe longitudinally, relatively accurately. Such stops are described in the documents EP-A-2 392 388 or EP-A-2,300,111 .

Cependant, la conception de ces butées se révèle complexe. Les butées escamotables proposées pivotent autour d'un axe transversal placé devant les leviers de serrage. Dans un cas, l'escamotage de la butée est directement associé à un levier de verrouillage. Dans un autre cas, l'escamotage est réalisé par la translation longitudinale de la butée avant. Dans un troisième cas, la butée n'est pas escamotable. Dans ce dernier cas, la solution comprend deux butées latérales fixes de petites tailles pour ne pas gêner la rotation de la chaussure quand elle est en prise avec la butée avant. Ces butées latérales ne sont pas très efficaces car elles agissent sur de faibles zones de contact. Elles le sont d'autant moins lorsque le ski est en dévers.However, the design of these stops is complex. The retractable stops proposed pivot around a transverse axis placed in front of the clamping levers. In one case, the retraction of the stop is directly associated with a locking lever. In another case, the retraction is achieved by the longitudinal translation of the front stop. In a third case, the stop is not retractable. In the latter case, the solution comprises two fixed lateral stops of small sizes so as not to hinder the rotation of the boot when it is engaged with the front stop. These lateral stops are not very effective because they act on weak areas of contact. They are all the less so when the ski is in slope.

La présente invention vise à pallier au moins partiellement aux inconvénients précités en proposant une butée avant de ski de randonnée permettant un engagement plus aisé de la chaussure de ski. Un autre objectif est de proposer une conception très simple de butée escamotable.The present invention aims to at least partially overcome the aforementioned drawbacks by providing a stop before ski touring allowing easier engagement of the ski boot. Another objective is to propose a very simple retractable stop design.

L'objectif de l'invention est atteint par la fourniture d'une butée avant d'un engin de glisse comprenant deux pièces de serrages en vis-à-vis, chacune portant au niveau d'une extrémité un ergot de serrage, les deux pièces de serrage étant mobiles, l'une par rapport à l'autre, entre une position de serrage d'une extrémité avant d'une chaussure dans laquelle les ergots de serrage sont rapprochés de manière à coopérer avec des logements correspondants latéraux, ménagés, directement ou indirectement, dans la chaussure afin de former un axe de pivotement de la chaussure, et une position ouverte dans laquelle les ergots de serrage sont écartés de manière à libérer la chaussure des pièces de serrage. La butée avant comprend également une butée mobile entre une position active dans laquelle la butée mobile est destinées à entrer en contact avec une portion de l'extrémité avant de la chaussure afin de positionner longitudinalement les logements latéraux de la chaussure sensiblement au niveau des ergots de serrage, et une position escamotée dans laquelle la butée mobile est positionnée de manière à ne pas perturber le pivotement normal de la chaussure en phase de montée, la butée mobile étant dans une position active lorsque les deux pièces de serrage sont dans une position ouverte.The object of the invention is achieved by providing a stop before a gliding machine comprising two clamping parts vis-à-vis, each bearing at one end a clamping lug, the two clamping pieces being movable, relative to one another, between a clamping position of a front end of a shoe in which the lugs of tightening are brought together so as to cooperate with corresponding lateral housings arranged directly or indirectly in the boot to form a pivot axis of the boot, and an open position in which the locking lugs are spaced so as to release the shoe clamping parts. The front stop also comprises a stop movable between an active position in which the movable stop is intended to come into contact with a portion of the front end of the shoe to position longitudinally the lateral housing of the shoe substantially at the lugs of the shoe. tightening, and a retracted position in which the movable stop is positioned so as not to disturb the normal pivoting of the boot in the climbing phase, the movable stop being in an active position when the two clamping pieces are in an open position.

La butée avant est caractérisée en ce que la butée mobile est directement liée aux pièces de serrage de manière à ce qu'un déplacement relatif entre les pièces de serrage entraîne le basculement de la butée mobile entre sa position active et sa position escamotée.The front stop is characterized in that the movable stop is directly related to the clamping pieces so that a relative displacement between the clamping parts causes the tilting of the movable stop between its active position and its retracted position.

Ainsi, on peut plus facilement positionner la chaussure de ski de randonnée avant d'engager celle-ci dans la fixation.Thus, it is easier to position the ski touring shoe before engaging it in the binding.

La fixation selon l'invention peut comporter une ou plusieurs des caractéristiques suivantes prises seules ou en combinaison.

  • La butée mobile se déplace selon une direction sensiblement verticale.
  • La position active de butée mobile est une position relevée et en ce que la position escamotée de butée mobile est une position abaissée.
  • Chaque pièce de serrage forme un levier articulé en pivotement autour d'un axe longitudinal, chaque pièce de serrage comprenant une extrémité en contact avec la butée mobile.
  • La butée mobile est solidaire d'un mécanisme élastique bistable permettant le basculement des deux pièces de serrages entre la position de serrage et la position ouverte.
  • La butée mobile est solidaire d'une articulation centrale constituant un élément du mécanisme élastique bistable, l'articulation centrale reliant une extrémité d'une pièce de serrage avec une extrémité de l'autre pièce de serrage.
  • La butée mobile comporte une portion dressée destinée à entrer en contact, en position active, avec une portion de l'extrémité avant de la chaussure et une portion couchée solidaire de l'articulation centrale du mécanisme bistable.
  • La partie dressée de la butée mobile présente à son extrémité libre une barre transversale présentant entre ses extrémités une forme concave sur sa face supérieure.
  • La barre transversale est portée par deux montants définissant une lumière de passage pour un levier de commande en prise avec le mécanisme élastique bistable.
  • La butée avant comprend un levier d'actionnement dont une extrémité forme une fourche dans laquelle se loge une partie de la butée mobile.
  • La butée avant comprend un moyen de verrouillage d'un levier d'actionnement des pièces de serrage.
  • La butée avant comprend un moyen élastique permettant de maintenir le moyen de verrouillage dans une configuration de verrouillage du levier d'actionnement, lorsque les ergots sont en position de serrage.
  • La butée mobile est agencée de manière à ce que en position active, la butée mobile positionne la chaussure de ski de manière que l'axe de pivotement de la chaussure de ski, défini par les logements, se positionne avec un décalage, préférentiellement compris entre 1 et 4 mm, légèrement avant l'axe défini par les ergots de serrage en position de serrage.
  • La butée mobile comprend une cale amovible positionnée de manière à s'intercaler entre la butée mobile et la portion de l'extrémité avant de la chaussure.
The binding according to the invention may comprise one or more of the following characteristics taken alone or in combination.
  • The movable stop moves in a substantially vertical direction.
  • The active mobile stop position is a raised position and in that the retracted movable stop position is a lowered position.
  • Each clamping piece forms a pivotally articulated lever about a longitudinal axis, each clamping piece comprising an end in contact with the movable stop.
  • The movable stop is secured to a bistable elastic mechanism for tilting the two clamping parts between the clamping position and the open position.
  • The movable stop is secured to a central articulation constituting an element of the bistable elastic mechanism, the central articulation connecting one end of a clamping piece with one end of the other clamping piece.
  • The movable stop comprises an erected portion intended to come into contact, in the active position, with a portion of the front end of the boot and a portion integral with the integral portion of the bistable mechanism.
  • The erected portion of the movable stop has at its free end a transverse bar having between its ends a concave shape on its upper face.
  • The crossbar is carried by two uprights defining a passage lumen for a control lever engaged with the bistable elastic mechanism.
  • The front stop includes an actuating lever whose one end forms a fork in which is housed a portion of the movable stop.
  • The front stop includes a locking means of a lever for actuating the clamping pieces.
  • The front stop comprises an elastic means for maintaining the locking means in a locking configuration of the operating lever, when the lugs are in the clamping position.
  • The movable stop is arranged so that in active position, the movable stop positions the ski boot so that the pivot axis of the ski boot, defined by the housing, is positioned with an offset, preferably between 1 and 4 mm, slightly before the axis defined by the clamping lugs in the clamping position.
  • The movable stop comprises a removable shim positioned so as to be inserted between the movable stop and the portion of the front end of the boot.

L'invention concerne en outre un ski de randonnée équipé d'une fixation telle que décrite ci-dessus.The invention further relates to a touring ski equipped with a fastener as described above.

D'autres avantages et caractéristiques apparaîtront à la lecture de la description de l'invention, ainsi que des figures suivantes parmi lesquelles :

  • la figure 1 est une vue en perspective d'une partie de ski de randonnée équipé d'une butée avant de ski de randonnée selon l'invention en position ouverte,
  • la figure 2 montre une vue identique à celle de la figure 1 avec la butée avant de ski de randonnée en position de serrage,
  • la figure 3 montre une vue en perspective d'une pièce constitutive de la butée avant de ski de randonnée,
  • la figure 4 est une vue de dessus de la butée avant de ski de randonnée selon l'invention en position ouverte avec une chaussure de ski lors de l'engagement de la chaussure de ski,
  • la figure 5 est une vue en coupe longitudinale d'un ski de randonnée équipé d'une butée avant de ski de randonnée selon l'invention en position ouverte avec une chaussure de ski, non coupée, lors de l'engagement de la chaussure de ski,
  • La figure 6 est une vue en coupe longitudinale d'un ski de randonnée équipé d'une butée avant de ski de randonnée selon l'invention en position de serrage avec une chaussure de ski, non coupée, lors d'un mouvement de montée,
  • La figure 7 est une vue en coupe une coupe selon VII-VII de la figure 6 sans la chaussure de ski.
Other advantages and characteristics will appear on reading the description of the invention, as well as the following figures among which:
  • the figure 1 is a perspective view of a portion of ski touring equipped with a stop before ski touring according to the invention in the open position,
  • the figure 2 shows a view identical to that of the figure 1 with the forward stop of ski touring in the clamping position,
  • the figure 3 shows a perspective view of a constituent part of the stop before ski touring,
  • the figure 4 is a top view of the stop before ski touring according to the invention in the open position with a ski boot when engaging the ski boot,
  • the figure 5 is a longitudinal sectional view of a ski touring equipped with a stop before ski touring according to the invention in an open position with a ski boot, uncut, during the engagement of the ski boot,
  • The figure 6 is a longitudinal sectional view of a ski touring equipped with a stop before ski touring according to the invention in the clamping position with a ski boot, uncut, during a climbing movement,
  • The figure 7 is a sectional view of a section along VII-VII of the figure 6 without the ski boot.

Sur toutes les figures, les mêmes éléments sont référencés par les mêmes numéros de référence.In all the figures, the same elements are referenced by the same reference numbers.

Dans la suite de la description, il sera fait usage de termes tels que « horizontal », « vertical », « longitudinal », « transversal », « supérieur », « inférieur », « haut », « bas », « avant », « arrière ». Ces termes doivent être interprétés en fait de façon relative en relation avec la position normale que le dispositif de retenue occupe sur un ski, et la direction d'avancement normale du ski. De plus, le terme « dressé » est utilisé pour décrire des éléments qui, à l'état monté sur un ski, se dressent vers le haut par rapport au ski, ces éléments sont alors orientés sensiblement verticalement. De même, le terme « couché » est utilisé pour des éléments qui, à l'état monté sur un ski, s'étendent sensiblement dans un plan parallèle au ski, ces éléments sont alors orientés sensiblement horizontalement. Par exemple, « longitudinal » s'entend par rapport à l'axe longitudinal du ski.In the rest of the description, terms such as "horizontal", "vertical", "longitudinal", "transversal", "superior", "lower", "up", "down", "before" will be used. , " back ". These terms must in fact be interpreted in a relative manner in relation to the normal position that the retainer occupies on a ski, and the normal direction of advancement of the ski. In addition, the term "upright" is used to describe elements which, when mounted on a ski, rise upward relative to the ski, these elements are then oriented substantially vertically. Similarly, the term "lying down" is used for elements which, when mounted on a ski, extend substantially in a plane parallel to the ski, these elements are then oriented substantially horizontally. For example, "longitudinal" refers to the longitudinal axis of the ski.

Sur la figure 1 est représentée une partie avant d'un ski 1 de randonnée muni d'une fixation comprenant une butée avant de randonnée 3.On the figure 1 is represented a front portion of a ski 1 hiking provided with a fixing comprising a stop before hiking 3.

La butée avant 3 comporte d'une part une embase 5 réalisée sous la forme d'une platine qui se fixe par exemple par vissage sur le dessus du ski 1 et, d'autre part, deux pièces de serrage 7a et 7b, appelées leviers de serrage par la suite, de forme générale en « L » en vis-à-vis, articulés en pivotement sur des paliers 9a et 9b protubérants associés. Chaque levier de serrage 7a et 7b tourne autour d'un axe d'articulation sensiblement longitudinal Xa, Xb. Cet axe d'articulation Xa, Xb passe par la jonction de deux bras 11a/15a, 11b/15b du levier de serrage 7a, 7b. Les deux axes d'articulation Xa, Xb sont disposés, à égale distance, de part et d'autre d'un plan médian vertical longitudinal du ski.The front stop 3 comprises on the one hand a base 5 made in the form of a plate which is fixed for example by screwing on the top of the ski 1 and, on the other hand, two clamping parts 7a and 7b, called levers clamping thereafter, of general shape in "L" vis-à-vis pivotally articulated on bearings 9a and 9b associated protruding. Each clamping lever 7a and 7b rotates about a substantially longitudinal axis of articulation Xa, Xb. This axis of articulation Xa, Xb passes through the junction of two arms 11a / 15a, 11b / 15b of the clamping lever 7a, 7b. The two axes of articulation Xa, Xb are arranged, at equal distance, on either side of a longitudinal vertical median plane of the ski.

Au niveau d'une extrémité dressée d'un premier bras 11a et 11b chaque levier de serrage 7a, 7b porte un ergot de serrage respectif 13a et 13b.At an erected end of a first arm 11a and 11b each clamping lever 7a, 7b carries a respective clamping pin 13a and 13b.

Le pivotement des leviers de serrage 7a et 7b permet un mouvement des ergots 13a et 13b selon une direction sensiblement transversale au ski 1 entre une position ouverte, illustrée à la figure 1, et une position de serrage, illustrée à la figure 2. En position ouverte, les ergots 13a, 13b sont écartées ce qui permet de libérer une chaussure 25. En position de serrage, les ergots 13a, 13b sont rapprochés de sorte qu'ils puissent coopérer avec des logements latéraux 23a, 23b, de forme complémentaire, ménagés sur l'avant de la chaussure 25. Dans ce dernier cas, la chaussure 25 est retenue par la butée avant 3.The pivoting of the clamping levers 7a and 7b allows movement of the lugs 13a and 13b in a direction substantially transverse to the ski 1 between an open position, illustrated in FIG. figure 1 , and a clamping position, illustrated in figure 2 . In the open position, the lugs 13a, 13b are spaced which allows to release a shoe 25. In the clamping position, the lugs 13a, 13b are brought together so that they can cooperate with lateral housings 23a, 23b, complementary shape , in the latter case, the shoe 25 is retained by the stop before 3.

Les deux leviers de serrage 7a et 7b sont reliés l'un à l'autre au niveau de leurs deuxièmes bras couchés 15a et 15b par un mécanisme élastique bistable 17 entre les positions ouverte et de serrage. Ce mécanisme élastique bistable 17 comprend une articulation centrale 19 ainsi que des ressorts 21a et 21b portés par les bras couchés 15a et 15b et en appui contre l'articulation centrale 19. L'articulation centrale 19 est réalisée par un arbre pivot 33 autour duquel tournent deux patins 18a, 18b. Chaque patin 18a, 18b est monté coulissant par rapport à un arbre 16a, 16b fixé dans le prolongement d'un bras couché 15a et 15b. Préférentiellement les arbres 16a, 16b ne sont pas de section circulaire de sorte que les patins 18a, 18b ne peuvent que se translater le long des arbres 16a, 16b. Ainsi, on évite toute rotation de l'articulation centrale 19 autour d'un axe transversal. Pour limiter ce basculement vers l'avant ou vers l'arrière, on peut, alternativement, relier chaque patin 18a, 18b à un bras couché 15a, 15b par plusieurs arbres décalés selon une direction longitudinale. On évite la rotation non souhaitée autour d'un axe s'étendant le long d'un bras couchée 15a, 15b.The two clamping levers 7a and 7b are connected to each other at their second recumbent arms 15a and 15b by a bistable elastic mechanism 17 between the open and clamping positions. This bistable elastic mechanism 17 comprises a central articulation 19 as well as springs 21a and 21b carried by the recumbent arms 15a and 15b and bearing against the central articulation 19. The central articulation 19 is formed by a pivot shaft 33 around which turn two shoes 18a, 18b. Each pad 18a, 18b is slidably mounted relative to a shaft 16a, 16b fixed in the extension of a recumbent arm 15a and 15b. Preferably the shafts 16a, 16b are not circular in section so that the pads 18a, 18b can only translate along the shafts 16a, 16b. Thus, it avoids any rotation of the central articulation 19 around a transverse axis. To limit this tilting forwards or backwards, alternatively, each pad 18a, 18b can be connected to a lying arm 15a, 15b by a plurality of shafts offset in a longitudinal direction. Unwanted rotation about an axis extending along a recumbent arm 15a, 15b is avoided.

Au sens de l'invention, dans ce mode de réalisation, un levier de serrage 7a, 7b, ou pièces de serrage, comprend un bras dressé 11a, 11b équipé d'un ergot de serrage 13a, 13b et un bras couché 15a, 15b. Le bras couché 15a, 15b intègre une partie du mécanisme élastique bistable 17, à savoir, un arbre 16a, 16b, un ressort 21a, 21b et un patin 18a, 18b. Ainsi, pour ce mode de réalisation, un patin 18a, 18b constitue l'extrémité d'un bras couché 15a, 15b d'un levier de serrage 7a, 7b.Within the meaning of the invention, in this embodiment, a clamping lever 7a, 7b, or clamping parts, comprises an upright arm 11a, 11b equipped with a clamping pin 13a, 13b and a recumbent arm 15a, 15b . The recumbent arm 15a, 15b incorporates a portion of the bistable elastic mechanism 17, namely, a shaft 16a, 16b, a spring 21a, 21b and a pad 18a, 18b. Thus, for this embodiment, a pad 18a, 18b constitutes the end of a coated arm 15a, 15b of a clamping lever 7a, 7b.

On comprend donc que grâce aux ressorts 21a et 21b et l'articulation centrale 19, les ergots 13a et 13b ne peuvent prendre que deux positions stables, la position ouverte dans laquelle les ergots 7a et 7b sont écartés, éloignés l'un de l'autre (fig. 1), et une position de serrage dans laquelle les ergots 13a et 13b sont rapprochés l'un de l'autre (fig. 2).It is therefore understood that thanks to the springs 21a and 21b and the central articulation 19, the lugs 13a and 13b can take only two stable positions, the open position in which the lugs 7a and 7b are spaced apart, away one from the other ( Fig. 1 ), and a clamping position in which the lugs 13a and 13b are brought closer to each other ( Fig. 2 ).

Lors de la montée, les ergots de serrage 13a et 13b se logent dans les logements latéraux correspondants 23a et 23b, ménagés sur l'avant de la chaussure 25 pour former un axe de pivotement de l'avant de la chaussure pour la montée. Lors des phases de montée, la chaussure enchaîne une succession de pivotement entre une position de semelle sensiblement horizontale et une position de semelle sensiblement verticale. L'angle de pivotement est variable et dépend de l'inclinaison de la pente à gravir. Le pivotement normal de la chaussure en phase de montée est de l'ordre de 90° par rapport à la face supérieure du ski, d'une référence horizontale vers une référence verticale.During the rise, the clamping lugs 13a and 13b are housed in the corresponding lateral housings 23a and 23b formed on the front of the shoe 25 to form a pivot axis of the front of the shoe for the climb. During the climbing phases, the shoe connects a succession of pivoting between a substantially horizontal sole position and a substantially vertical sole position. The pivot angle is variable and depends on the inclination of the slope to climb. The normal pivoting of the boot in the climbing phase is of the order of 90 ° with respect to the upper face of the ski, from a horizontal reference to a vertical reference.

Afin de faciliter l'engagement de la chaussure de ski 25 dans la butée avant de randonnée 3, cette dernière comporte en outre au moins une butée mobile 27. Sur la figure 3, cette butée mobile 27 est représentée comme une seule pièce en perspective.In order to facilitate the engagement of the ski boot 25 in the abutment before hiking 3, the latter also comprises at least one movable stop 27. figure 3 this movable stop 27 is shown as a single piece in perspective.

Comme on le voit sur toutes les figures, la butée mobile 27 est, selon le présent exemple de réalisation, solidaire du mécanisme élastique bistable 17 reliant les bras couchés 15a et 15b des deux leviers de serrage 7a et 7b.As seen in all the figures, the movable stop 27 is, according to the present embodiment, integral with the bistable elastic mechanism 17 connecting the recumbent arms 15a and 15b of the two clamping levers 7a and 7b.

Plus précisément la butée mobile 27 est solidaire de articulation centrale 19 du mécanisme élastique bistable 17.More precisely, the movable stop 27 is integral with the central articulation 19 of the bistable elastic mechanism 17.

A cet effet, la butée mobile 27 comporte une portion dressée 29 et une portion couchée 33. La portion dressée 29 est destinée à entrer en contact, lorsque les ergots sont en position ouverte, avec une portion de l'extrémité avant 31 de la chaussure de ski 25. La portion dressée 29 est positionnée par rapport à la portion couchée 33 de sorte que, lorsque l'extrémité avant 31 de la chaussure atteint la portion dressée, les logements latéraux 23a et 23b de la chaussure sont sensiblement positionnés longitudinalement au même niveau que les ergots de serrage 13a et 13b. La portion couchée 33 forme l'arbre pivot de l'articulation centrale 19 du mécanisme bistable 17.For this purpose, the movable stop 27 comprises an upright portion 29 and a recumbent portion 33. The upright portion 29 is intended to come into contact, when the lugs are in the open position, with a portion of the front end 31 of the shoe 25. The upright portion 29 is positioned relative to the recumbent portion 33 so that when the front end 31 of the shoe reaches the upright portion, the lateral housings 23a and 23b of the shoe are substantially longitudinally positioned at the same location. level than the clamping lugs 13a and 13b. The recumbent portion 33 forms the pivot shaft of the central articulation 19 of the bistable mechanism 17.

La partie dressée 29 de la butée mobile 27 présente à son extrémité libre une barre transversale 35. Afin de ne pas gêner le mouvement de pivotement de la chaussure de ski 25 lors de la montée, la face supérieure de la barre transversale 35 présente avantageusement entre ses extrémités 37a et 37b un décrochement central 39 qui peut présenter une forme concave de façon à accueillir l'extérieur de la chaussure lors du pivotement. En conséquence, sur un plan vertical, la partie centrale est plus basse que les extrémités 37a et 37b de la barre transversale 35. Par ailleurs, la barre transversale 35 est portée par deux montants 41a et 41b définissant une lumière 43 de passage pour un levier d'actionnement 45.The erected portion 29 of the mobile stop 27 has at its free end a transverse bar 35. In order not to hinder the pivoting movement of the ski boot 25 during the climb, the upper face of the transverse bar 35 has advantageously between its ends 37a and 37b a central recess 39 which may have a concave shape to accommodate the outside of the shoe during pivoting. Consequently, in a vertical plane, the central portion is lower than the ends 37a and 37b of the transverse bar 35. Moreover, the transverse bar 35 is carried by two uprights 41a and 41b defining a passage opening 43 for a lever actuator 45.

Le levier d'actionnement 45 est articulé en pivotement, autour d'un axe transversal Y45, sur un palier 48 protubérant associé. L'axe transversal Y45 est positionné devant les leviers de serrage 7a, 7b. Le levier d'actionnement 45 est sensiblement rectiligne.The actuating lever 45 is pivotally articulated, about a transverse axis Y45, on an associated protruding bearing 48. The transverse axis Y45 is positioned in front of the clamping levers 7a, 7b. The actuating lever 45 is substantially rectilinear.

Une première extrémité 451 du levier d'actionnement 45 forme une fourche dans laquelle se loge l'articulation centrale 19 du de sorte qu'un mouvement vertical de la fourche 451 entraîne le déplacement vertical de l'articulation centrale 19. En conséquence, une action sur une deuxième extrémité 452 de ce levier 45 permet de soulever ou d'abaisser l'articulation centrale 19. Grâce à ce levier, on peut exercer un effort important pour passer d'une position stable à l'autre du mécanisme bistable 17. En pratique, on utilise le levier pour soulever l'articulation centrale 19 afin de passer d'une position de serrage vers une position ouverte permettant la libération de la chaussure de ski 25 de la buté avant 3. En effet, le passage en position de serrage se fait par simple appui de l'avant de la chaussure sur l'articulation centrale 19.A first end 451 of the operating lever 45 forms a fork in which is housed the central articulation 19 of the so that a vertical movement of the fork 451 causes the vertical displacement of the central articulation 19. Consequently, an action on a second end 452 of this lever 45 can raise or lower the central articulation 19. With this lever, it can exert a significant effort to move from one stable position to the other bistable mechanism 17. In In practice, the lever is used to lift the central articulation 19 in order to move from a clamping position to an open position allowing the ski boot 25 to be released from the front stop 3. Indeed, the passage in the clamping position is done by simply pressing the front of the shoe on the central articulation 19.

Une deuxième extrémité 452 du levier d'actionnement 45 supporte un levier de verrouillage 46. Ce levier de verrouillage 46 est articulé en pivotement, autour d'un axe transversal Y46, sur un arbre traversant 44 solidaire de la deuxième extrémité 452. Un ressort de torsion 42, entoure l'arbre traversant 44 pour relier un premier bras 461 du levier de verrouillage 46 au levier d'actionnement 45. Le ressort de torsion 42 permet de maintenir le levier de verrouillage 46 dans une configuration de verrouillage du levier d'actionnement 45, lorsque les ergots sont en position de serrage.A second end 452 of the operating lever 45 supports a locking lever 46. This locking lever 46 is pivotally articulated, about a transverse axis Y46, on a traversing shaft 44 secured to the second end 452. A spring of torsion 42, surrounds the traversing shaft 44 to connect a first arm 461 of the locking lever 46 to the actuating lever 45. The torsion spring 42 maintains the locking lever 46 in a locking configuration of the operating lever 45, when the lugs are in the clamping position.

Pour cette position de serrage, l'articulation centrale 19 est abaissée ce qui se traduit par un soulèvement de la deuxième extrémité 452 du levier d'actionnement 45. Dès lors, le ressort de torsion 42 exerce un effort sur le premier bras 461 du levier de verrouillage 46 provoquant la rotation des bras du levier jusqu'à une butée solidaire du levier d'actionnement 45 et, en conséquence, l'éloignement d'un deuxième bras 462 du levier de verrouillage 46 du levier d'actionnement 45.For this clamping position, the central articulation 19 is lowered which results in a lifting of the second end 452 of the actuating lever 45. Therefore, the torsion spring 42 exerts a force on the first arm 461 of the locking lever 46 causing the rotation of the arms of the lever to an abutment integral with the actuating lever 45 and, as a consequence, the removal of a second arm 462 from the locking lever 46 of the operating lever 45.

Dans cette configuration de verrouillage, le deuxième bras 462 s'étend sensiblement verticalement, légèrement orienté vers l'avant, de sorte que si on abaisse directement la deuxième extrémité 452 du levier d'actionnement 45, l'extrémité libre du deuxième bras 462 du levier de verrouillage 46 vient très rapidement en contact avec l'embase 5, bloquant ainsi la continuation de l'abaissement de la deuxième extrémité 452 du levier d'actionnement 45. La butée avant 3 est alors verrouillée. Les ergots sont maintenus en position de serrage.In this locking configuration, the second arm 462 extends substantially vertically, slightly oriented forwards, so that if the second end 452 of the actuating lever 45 is lowered directly, the free end of the second arm 462 of the locking lever 46 comes into contact with the base 5 very quickly, thus blocking the continuation of the lowering of the second end 452 of the operating lever 45. The front stop 3 is then locked. The lugs are held in the clamping position.

Pour déverrouiller la butée avant, il faut agir sur le premier bras 461 du levier de verrouillage 46. En exerçant un effort sur ce bras 461, on provoque, dans un premier temps, la rotation du deuxième bras 462 du levier de verrouillage 46 jusqu'à une butée solidaire du levier d'actionnement 45. Ce déplacement du bras 462 permet de libérer le levier d'actionnement 45. En poursuivant l'effort, dans le même sens, sur le bras 461, on provoque alors l'abaissement de la deuxième extrémité 452 du levier d'actionnement 45. Cet abaissement permet de soulever l'articulation centrale 19, ce qui se traduit par l'écartement des ergots de serrage qui passent en position ouverte. La chaussure est alors libérée de la butée avant.To unlock the front stop, it is necessary to act on the first arm 461 of the locking lever 46. By exerting a force on the arm 461, it causes, at first, the rotation of the second arm 462 of the locking lever 46 until to an abutment integral with the actuating lever 45. This displacement of the arm 462 frees the actuating lever 45. By continuing the force, in the same direction, on the arm 461, the lowering of the second end 452 of the actuating lever 45. This lowering can lift the central articulation 19, which results in the spacing of the clamping lugs which pass to the open position. The shoe is then released from the front stop.

Pour faciliter l'opération de déverrouillage, l'extrémité libre du premier bras 461 du levier de verrouillage 46 comprend un creux 40, orienté vers le haut, destiné à recevoir l'extrémité d'un bâton de ski. Le skieur peut ainsi déchausser simplement en appuyant avec son bâton sur le levier de verrouillage 46.To facilitate the unlocking operation, the free end of the first arm 461 of the locking lever 46 comprises a recess 40, directed upwards, intended to receive the end of a ski pole. The skier can thus take off simply by pressing with his stick on the locking lever 46.

Avec une telle construction, on comprend donc que la butée mobile 27 et plus particulièrement la barre transversale 35 peut se déplacer entre une position active de butée (montrée sur les figures 1, 4 et 5) et une position escamotée (montrée sur les figures 2, 6 et 7).With such a construction, it is therefore clear that the movable stop 27 and more particularly the transverse bar 35 can move between an active stop position (shown on the figures 1 , 4 and 5 ) and a retracted position (shown on figures 2 , 6 and 7 ).

Comme on le voit bien sur les figures 4 et 5, lorsqu'elle est en position active, c'est-à-dire, dans le présent exemple, une position relevée, la butée mobile 27 sert de référence au positionnement longitudinal d'une portion de l'extrémité avant 31 de la chaussure de ski 25 comme décrit précédemment. En position escamotée qui est, dans le présent exemple, une position abaissée, la butée mobile 27 est écartée du trajet de l'extrémité de la chaussure de ski 25 lors des mouvements de pivotement en montée, de sorte à ne pas gêner la rotation.As can be seen from the figures 4 and 5 when it is in the active position, that is to say, in the present example, a raised position, the movable stop 27 serves as a reference to the longitudinal positioning of a portion of the front end 31 of the shoe. ski 25 as previously described. In the retracted position that is, in the present example, a lowered position, the movable stop 27 is spaced from the path of the end of the ski boot 25 during upward pivoting movements, so as not to hinder the rotation.

On comprend donc que le déplacement de la butée mobile 27 entre sa position active et sa position escamotée est enclenché par le basculement en position de serrage des deux leviers de serrage 7a et 7b.It is therefore understood that the displacement of the movable stop 27 between its active position and its retracted position is triggered by the tilting position in the clamping position of the two clamping levers 7a and 7b.

Avantageusement, la position de la butée mobile Z7 en position active positionne la chaussure de ski 25 de manière que l'axe de pivotement Y23 de la chaussure de ski 25, défini par les logements 23a et 23b, se positionne avec un décalage préférentiellement compris entre 1 et 4 mm, légèrement avant l'axe Y7 défini par les ergots de serrage 13a et 13b en position de serrage. Ce décalage de positionnement de la chaussure vers l'avant permet de faire reculer la chaussure de ski 25 lors du basculement des leviers de serrage 7a et 7b en position de serrage. Ce recul accentue le dégagement ou écartement de la butée mobile 27 de l'extrémité avant 31 la chaussure de ski 25 en position de serrage. Cet écartement contribue à l'escamotage de la butée mobile en vue de ne pas perturber le pivotement de la chaussure. En effet, plus la butée mobile est éloignée de l'avant de la chaussure, moins il y a des risques d'interférence entre ces pièces lors de la rotation de la chaussure.Advantageously, the position of the movable stop Z7 in the active position positions the ski boot 25 so that the pivot axis Y23 of the ski boot 25, defined by the housings 23a and 23b, is positioned with a shift preferentially between 1 and 4 mm, slightly before the axis Y7 defined by the clamping lugs 13a and 13b in the clamping position. This positioning offset of the boot to the front allows to retreat the ski boot 25 when tilting the clamping levers 7a and 7b in the clamping position. This recess accentuates the clearance or separation of the mobile stop 27 of the front end 31 of the ski boot 25 in the clamping position. This spacing contributes to the retraction of the movable stop so as not to disturb the pivoting of the boot. Indeed, the more the movable stop is away from the front of the shoe, the less there is a risk of interference between these parts during the rotation of the shoe.

On va par la suite décrire plus en détail le fonctionnement de la butée avant 3 selon l'invention, en particulier au regard des figures 4, 5 et 6.Next will be described in more detail the operation of the stop before 3 according to the invention, in particular with regard to figures 4 , 5 and 6 .

Au départ, la butée avant 3 de ski de randonnée est en position ouverte. Les ergots de serrage 13a et 13b sont écartés. La butée mobile 27 est relevée.Initially, the stop before 3 ski touring is in the open position. The clamping lugs 13a and 13b are spaced apart. The movable stop 27 is raised.

Pour enclencher la butée avant 3, on place la chaussure 25 de manière que son extrémité avant 31 appuie longitudinalement contre la butée mobile 27 ce qui est aisément réalisable du fait de sa taille et de sa position centrale. Ceci permet de positionner les ergots 13a et 13b en face des logements 23a et 23b avec éventuellement, un léger décalage « d » vers l'avant, comme expliqué précédemment. Ensuite, il suffit d'appuyer avec l'avant de la semelle sur le mécanisme élastique bistable 17 et, plus particulièrement, au niveau de l'articulation centrale 19. Cette pression doit être suffisante pour vaincre la force du mécanisme élastique bistable 17. Cet effort permet d'abaisser l'articulation centrale 19 pour faire basculer le mécanisme élastique bistable 17 dans sa deuxième position stable. En conséquence, ce mouvement permet l'engagenient des ergots de serrage 13a et 13b dans les logements 23a et 23b de façon stable. La chaussure est alors retenue par la butée avant.To engage the front stop 3, the boot 25 is placed so that its front end 31 bears longitudinally against the movable stop 27 which is easily achievable because of its size and its central position. This allows to position the lugs 13a and 13b in front of the housing 23a and 23b with possibly a slight shift "d" to the front, as explained above. Then, it is sufficient to press with the front of the sole on the bistable elastic mechanism 17 and, more particularly, at the central articulation 19. This pressure must be sufficient to overcome the force of the bistable elastic mechanism 17. This effort helps to lower the central articulation 19 to tilt the bistable elastic mechanism 17 in its second stable position. As a result, this movement allows the engagement of the clamping lugs 13a and 13b in the housings 23a and 23b in a stable manner. The shoe is then retained by the front stop.

Dans ce mode de réalisation, l'abaissement de l'articulation centrale 19 provoque simultanément le verrouillage du levier d'actionnement 45, grâce au ressort de torsion 42 agissant sur le levier de verrouillage 46.In this embodiment, the lowering of the central articulation 19 simultaneously causes the locking of the actuating lever 45, thanks to the torsion spring 42 acting on the locking lever 46.

Du fait que la butée mobile 27 est solidaire de l'articulation centrale 19, l'abaissement de l'articulation centrale 19 provoque l'abaissement de la butée mobile 27. De plus, cette solldarisation permet de maximiser l'amplitude de déplacement de la butée mobile 27 du fait que l'articulation centrale 19 est située en extrémité des bras 15a, 15b des leviers de serrage 7a, 7b. Autrement dit, l'articulation centrale 19 se situe sur une partie des leviers de serrage 7a, 7b la plus éloignée des axes d'articulation Xa, Xb. Ainsi, le pivotement d'un levier entraîne une amplitude de déplacement maximale aux extrémités du levier. C'est donc le cas pour l'articulation centrale 19 avec une telle construction.Because the movable stop 27 is integral with the central articulation 19, the lowering of the central articulation 19 causes the lowering of the movable stop 27. In addition, this biasing makes it possible to maximize the amplitude of movement of the mobile stop 27 because the central articulation 19 is located at the end of the arms 15a, 15b of the clamping levers 7a, 7b. In other words, the central articulation 19 is located on a part of the clamping levers 7a, 7b furthest from the articulation axes Xa, Xb. Thus, the pivoting of a lever causes a maximum displacement amplitude at the ends of the lever. This is the case for the central articulation 19 with such a construction.

Dans ce mode de réalisation, la butée mobile s'escamote par un mouvement sensiblement vertical. Par « sensiblement vertical », on entend que le mouvement de la butée suit une trajectoire de plus ou moins trente degrés par rapport à une direction perpendiculaire à la surface supérieure du sld.In this embodiment, the movable stop retracts by a substantially vertical movement. By "substantially vertical" is meant that the movement of the stop follows a trajectory of plus or minus thirty degrees with respect to a direction perpendicular to the upper surface of the sld.

Ainsi, la butée mobile 27 est entièrement dégagée du passage de la chaussure de ski 25 lors des mouvements de pivotement en montée. Pour illustrer ce dégagement, on a représenté, sur la figure 6, par un carré en pointillé 35o, l'emplacement de la section médiane de la barre transversale 35 lorsque la butée mobile 27 est en position ouverte.Thus, the movable stop 27 is completely clear of the passage of the ski boot 25 during pivoting uphill movements. To illustrate this release, we have shown, on the figure 6 by a dashed square 35o, the location of the middle section of the crossbar 35 when the movable stop 27 is in the open position.

Pour dégager la chaussure de ski 25 de la butée avant, il suffit d'appuyer sur le levier de verrouillage 46, par exemple, à l'aide de l'extrémité d'un bâton de ski. Cette action provoque la libération du levier de commande 45. En poursuivant l'effort, on agit sur le levier de commande 45, ce qui entraîne le soulèvement de l'articulation centrale 19 et par conséquence, permet l'écartement des ergots de serrage 13a et 13b des logements 23a et 23b. La chaussure est alors libérée de la butée avant.To release the ski boot 25 from the front stop, simply press the locking lever 46, for example, using the end of a ski pole. This action causes the release of the control lever 45. By continuing the effort, it acts on the control lever 45, which causes the lifting of the central articulation 19 and consequently allows the spacing of the clamping lugs 13a and 13b housing 23a and 23b. The shoe is then released from the front stop.

On comprend donc que grâce à la butée mobile 27, l'engagement d'une chaussure de ski de randonnée dans la butée avant 3 est largement facilité.It is therefore understood that thanks to the mobile stop 27, the engagement of a ski touring boot in the abutment before 3 is greatly facilitated.

De plus, on note que la présente solution est simple et économique, car seulement une pièce, la butée mobile 27 montrée sur la figure 3, est rajoutée par rapport aux solutions connues de l'état de la technique.In addition, it is noted that the present solution is simple and economical, since only one piece, the movable stop 27 shown on the figure 3 , is added compared to known solutions of the state of the art.

L'invention a été décrite à travers un mode de réalisation avantageux. D'autres variantes de construction peuvent être envisagées. Par exemple, la butée avant peut ne pas avoir de levier de verrouillage 46. Le mécanisme élastique bistable 17 peut être différent. Par exemple, il peut comprendre des lames de flexion à la place des ressorts 21a, 21b ou davantage de ressorts. Il peut avoir davantage de positions stables. Alternativement, les pièces de serrage peuvent être continuellement sollicitées par un moyen élastique, avec une seule position stable, la position de serrage.The invention has been described through an advantageous embodiment. Other construction variants can be envisaged. For example, the front stop may not have a locking lever 46. The bistable elastic mechanism 17 may be different. For example, it may include bending blades instead of springs 21a, 21b or more springs. He may have more stable positions. Alternatively, the clamping pieces can be continuously solicited by an elastic means, with only one stable position, the clamping position.

Selon une autre variante, la butée ne comprend pas de mécanisme élastique bistable supporté par les leviers de serrage. Dans ce cas le basculement d'une position de serrage à une position de serrage est réalisé par la manoeuvre du levier d'actionnement 45. Les leviers de serrage sont alors beaucoup plus simple. La butée mobile est alors en contact avec l'extrémité du bras couché de chaque levier de serrage.According to another variant, the stop does not include a bistable elastic mechanism supported by the clamping levers. In this case the tilting of a clamping position to a clamping position is achieved by the operation of the actuating lever 45. The clamping levers are then much simpler. The movable stop is then in contact with the end of the coated arm of each clamping lever.

Dans les modes de réalisation décrits précédemment, les logements latéraux 23a, 23b sont directement ménagés dans la semelle de la chaussure 25. Alternativement, on peut envisager que ces logements latéraux 23a, 23b soient ménagés sur une pièce rapportée à la chaussure de manière amovible ou non. Dans ce cas, les logements latéraux 23a, 23b sont indirectement ménagés dans la chaussure 25.In the embodiments described above, the lateral housings 23a, 23b are directly formed in the sole of the boot 25. Alternatively, it is conceivable that these lateral housings 23a, 23b are provided on a piece attached to the boot removably or no. In this case, the lateral housings 23a, 23b are indirectly formed in the shoe 25.

Bien que l'invention précise que la butée mobile 2 7 est solidaire de l'articulation centrale 19, l'invention s'étend à d'autres modes de réalisation pour autant que la butée mobile 27 soit directement liée aux pièces de serrage 7a, 7b. Ce qui importe est que l'escamotage de la butée mobile 27 est directement provoqué par le déplacement relatif entre les pièces de serrage 7a, 7b. Ainsi, le déplacement relatif entre les pièces de serrage 7a ; 7b entraîne le basculement de la butée mobile 27 entre sa position active et sa position escamotée.Although the invention specifies that the movable stop 27 is integral with the central articulation 19, the invention extends to other embodiments as far as the movable stop 27 is directly related to the clamping pieces 7a, 7b. What is important is that the retraction of the movable stop 27 is directly caused by the relative movement between the clamping parts 7a, 7b. Thus, the relative displacement between the clamping pieces 7a; 7b causes the movable stop 27 to tilt between its active position and its retracted position.

La butée mobile peut également être scindée en deux parties, chaque partie pouvant être portée par une pièce de serrage.The movable stop can also be divided into two parts, each part being carried by a clamping piece.

Alternativement, l'invention s'applique également à d'autres pièces de serrage. Par exemple, le rapprochement des ergots de serrage 13a, 13b peut résulter d'une translation des pièces de serrage, d'une déformation des bras des pièces de serrage, d'une rotation autour d'axes sensiblement verticaux.Alternatively, the invention also applies to other clamping parts. For example, the approximation of the clamping lugs 13a, 13b may result from a translation of the clamping parts, a deformation of the arms of the clamping pieces, a rotation about substantially vertical axes.

Selon un mode de réalisation non décrit, la butée mobile comprend une cale amovible positionnée de manière à s'intercaler entre la butée mobile et la portion de l'extrémité avant de la chaussure. Ainsi, quand la butée est en position active, lors de la mise en place de la chaussure, celle-ci vient en contact avec la cale solidaire de la butée ce qui permet d'ajuster le positionnement longitudinal des logements latéraux de la chaussure par rapport aux ergots de serrage. Cela s'avère très utile dans le cas où on utilise des chaussures ayant chacune un dimensionnel de leur portion de l'extrémité avant spécifique, différent d'un modèle à l'autre. Ainsi, simplement en changeant de cale amovible, la butée avant est utilisable avec différents modèles de chaussure tout en conservant l'aide au chaussage, c'est-à-dire, la maitrise du positionnement longitudinal relatif entre la chaussure et la butée avant, avant le chaussage.According to an embodiment not described, the movable stop comprises a removable shim positioned to be interposed between the movable stop and the portion of the front end of the shoe. Thus, when the stop is in the active position, during the introduction of the shoe, it comes into contact with the wedge secured to the stop which allows to adjust the longitudinal positioning of the lateral housing of the shoe relative to the clamping lugs. This is very useful in the case where shoes are used each having a dimension of their portion of the specific front end, different from one model to another. Thus, simply by changing removable shim, the front stop is usable with different shoe models while retaining the aid to boot, that is to say, the mastery of the relative longitudinal positioning between the shoe and the front stop, before putting on.

Claims (15)

Butée avant (3) d'un engin de glisse (1) comprenant - deux pièces de serrages (7a ; 7b) en vis-à-vis, chacune portant au niveau d'une extrémité (11a; 11b) un ergot de serrage (13a ; 13b), les deux pièces de serrage (7a ; 7b) étant mobiles, l'une par rapport à l'autre, entre une position de serrage d'une extrémité avant (31) d'une chaussure (25) dans laquelle les ergots de serrage (13a ; 13b) sont rapprochés de manière à coopérer avec des logements correspondants latéraux (23a; 23b), ménagés, directement ou indirectement, dans la chaussure (25) afin de former un axe de pivotement de la chaussure (Y13), et une position ouverte dans laquelle les ergots de serrage (13a ; 13b) sont écartés de manière à libérer la chaussure (25) des pièces de serrage (7a, 7b), - une butée mobile (27) entre une position active dans laquelle la butée mobile (27) est destinée à entrer en contact avec une portion de l'extrémité avant (31) de la chaussure (25) afin de positionner longitudinalement les logements latéraux (23a ; 23b) de la chaussure sensiblement au niveau des ergots de serrage (13a; 13b), et une position escamotée dans laquelle la butée mobile (27) est positionnée de manière à ne pas perturber le pivotement normal de la chaussure en phase de montée, la butée mobile (27) étant dans une position active lorsque les deux pièces de serrage (7a ; 7b) sont dans une position ouverte, caractérisée en ce que
la butée mobile (27) est directement liée aux pièces de serrage (7a ; 7b) de manière à ce qu'un déplacement relatif entre les pièces de serrage (7a ; 7b) entraîne le basculement de la butée mobile (27) entre sa position active et sa position escamotée. Front stop (3) of a gliding machine (1) comprising - two clamping pieces (7a; 7b) facing each other, each bearing at one end (11a; 11b) a clamping peg (13a; 13b), the two clamping pieces (7a; 7b); being movable relative to each other between a clamping position of a front end (31) of a shoe (25) in which the clamping lugs (13a; 13b) are brought together so as to cooperate with corresponding lateral recesses (23a; 23b) formed, directly or indirectly, in the boot (25) to form a pivot axis of the boot (Y13), and an open position in which the clamping lugs (13a; 13b) are spaced apart so as to release the shoe (25) from the clamping pieces (7a, 7b), a movable stop (27) between an active position in which the movable stop (27) is intended to come into contact with a portion of the front end (31) of the shoe (25) in order to position the lateral housings longitudinally ( 23a, 23b) of the boot substantially at the level of the clamping lugs (13a; 13b), and a retracted position in which the movable stop (27) is positioned so as not to disturb the normal pivoting of the boot during the climbing phase. the movable stop (27) being in an active position when the two clamping pieces (7a; 7b) are in an open position, characterized in that
the movable stop (27) is directly connected to the clamping pieces (7a, 7b) so that a relative movement between the clamping pieces (7a; 7b) causes the movable stop (27) to tilt between its position active and its retracted position. Butée avant (3) selon la revendication 1, caractérisée en ce que la butée mobile (27) se déplace selon une direction sensiblement verticale.Front stop (3) according to claim 1, characterized in that the movable stop (27) moves in a substantially vertical direction. Butée avant (3) selon l'une des revendications précédentes, caractérisée en ce que la position active de la butée mobile (27) est une position relevée et en ce que la position escamotée de butée mobile (27) est une position abaissée.Front stop (3) according to one of the preceding claims, characterized in that the active position of the movable stop (27) is a raised position and in that the retracted movable stop position (27) is a lowered position. Butée avant (3) selon l'une des revendications précédentes, caractérisée en ce que chaque pièce de serrage (7a ; 7b) forme un levier articulé en pivotement autour d'un axe longitudinal (Xa, Xb), chaque pièce de serrage (7a ; 7b) comprenant une extrémité (18a, 18b) en contact avec la butée mobile (27).Front stop (3) according to one of the preceding claims, characterized in that each clamping piece (7a; 7b) forms a pivotally articulated lever about a longitudinal axis (Xa, Xb), each clamping piece (7a 7b) comprising an end (18a, 18b) in contact with the movable stop (27). Butée avant (3) selon l'une des revendications précédentes, caractérisée en ce que la butée mobile (27) est solidaire d'un mécanisme élastique bistable (17) permettant le basculement des deux pièces de serrages (7a ; 7b) entre la position de serrage et la position ouverte.Front stop (3) according to one of the preceding claims, characterized in that the movable stop (27) is integral with a bistable elastic mechanism (17) for tilting the two clamping pieces (7a; 7b) between the position clamping and the open position. Butée avant (3) selon la revendication précédente, caractérisée en ce que la butée mobile (27) est solidaire d'une articulation centrale (19) constituant un élément du mécanisme élastique bistable (17), l'articulation centrale (19) reliant une extrémité (18a) d'une pièce de serrage (7a) avec une extrémité (18b) de l'autre pièce de serrage (7b).Front stop (3) according to the preceding claim, characterized in that the movable stop (27) is integral with a central articulation (19) constituting an element of the bistable elastic mechanism (17), the central articulation (19) connecting a end (18a) of a clamping piece (7a) with one end (18b) of the other clamping piece (7b). Butée avant (3) selon la revendication précédente, caractérisée en ce que la butée mobile (27) comporte une portion dressée (29) destinée à entrer en contact, en position active, avec une portion de l'extrémité avant (31) de la chaussure (25) et une portion couchée (33) solidaire de l'articulation centrale (19) du mécanisme bistable (17).Front stop (3) according to the preceding claim, characterized in that the movable stop (27) comprises an upright portion (29) intended to come into contact, in the active position, with a portion of the front end (31) of the shoe (25) and a recumbent portion (33) integral with the central articulation (19) of the bistable mechanism (17). Butée avant (3) selon la revendication précédente, caractérisée en ce que la partie dressée (29) de la butée mobile présente, à son extrémité libre, une barre transversale (35) présentant entre ses extrémités (37a ; 37b) une forme concave sur sa face supérieure.Front stop (3) according to the preceding claim, characterized in that the raised portion (29) of the movable stop has, at its free end, a transverse bar (35) having between its ends (37a; 37b) a concave shape on its upper face. Butée avant (3) selon la revendication précédente, caractérisée en ce que la barre transversale (35) est portée par deux montants (41a ; 41b) définissant une lumière de passage (43) pour un levier d'actionnement (45) en prise avec le mécanisme élastique bistable (17).Front stop (3) according to the preceding claim, characterized in that the transverse bar (35) is carried by two uprights (41a; 41b) defining a passage lumen (43) for an actuating lever (45) engaged with the bistable elastic mechanism (17). Butée avant (3) selon l'une des revendications précédentes, caractérisée en ce qu'elle comprend un levier d'actionnement (45) dont une extrémité (451) forme une fourche dans laquelle se loge une partie (33) de la butée molaile (27).Front stop (3) according to one of the preceding claims, characterized in that it comprises an actuating lever (45) one end (451) of which forms a fork in which is housed a portion (33) of the molar abutment (27). Butée avant (3) selon l'une des revendications précédentes, caractérisée en ce qu'elle comprend un moyen de verrouillage (46) d'un levier d'actionnement (45) des pièces de serrage (7a, 7b).Front stop (3) according to one of the preceding claims, characterized in that it comprises a locking means (46) of an actuating lever (45) of the clamping pieces (7a, 7b). Butée avant (3) selon la revendication précédente caractérisé en ce qu'elle comprend un moyen élastique (42) permettant de maintenir le moyen de verrouillage (46) dans une configuration de verrouillage du levier d'actionnement (45), lorsque les ergots (13a ; 13b) sont en position de serrage.Front stop (3) according to the preceding claim characterized in that it comprises an elastic means (42) for holding the locking means (46) in a locking configuration of the operating lever (45), when the lugs ( 13a, 13b) are in the clamping position. Butée avant (3) selon l'une des revendications précédentes, caractérisée en ce que la butée mobile (27) est agencée de manière à ce que en position active, la butée mobile positionne la chaussure de ski (25) de manière que l'axe de pivotement (Y23) de la chaussure de ski, défini par les logements (23a et 23b), se positionne avec un décalage, préférentiellement compris entre 1 et 4 mm, légèrement avant l'axe (Y7) défini par les ergots de serrage (13a et 13b) en position de serrage.Front stop (3) according to one of the preceding claims, characterized in that the movable stop (27) is arranged so that in the active position, the movable stop positions the ski boot (25) so that the pivot axis (Y23) of the ski boot, defined by the housings (23a and 23b), is positioned with an offset, preferably between 1 and 4 mm, slightly before the axis (Y7) defined by the clamping lugs (13a and 13b) in the clamping position. Butée avant (3) selon l'une des revendications précédentes, caractérisée en ce que la butée mobile (27) comprend une cale amovible positionnée de manière à s'intercaler entre la butée mobile et la portion de l'extrémité avant (31) de la chaussure (25).Front stop (3) according to one of the preceding claims, characterized in that the movable stop (27) comprises a removable shim positioned to be interposed between the movable stop and the portion of the front end (31) of the shoe (25). Engin de glisse (1) équipée d'une butée avant (3) selon l'une quelconque des revendications 1 à 14.Gliding machine (1) equipped with a front stop (3) according to any one of claims 1 to 14.
EP13004920.8A 2012-10-22 2013-10-14 Front abutment of a binding of a snow gliding device and snow gliding device provided with such a binding Active EP2722081B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1202814A FR2997022B1 (en) 2012-10-22 2012-10-22 FRONT STOP OF A SLIDING GEAR AND SLIPPER EQUIPPED WITH SUCH A FIXATION

Publications (2)

Publication Number Publication Date
EP2722081A1 true EP2722081A1 (en) 2014-04-23
EP2722081B1 EP2722081B1 (en) 2015-11-25

Family

ID=47624145

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13004920.8A Active EP2722081B1 (en) 2012-10-22 2013-10-14 Front abutment of a binding of a snow gliding device and snow gliding device provided with such a binding

Country Status (4)

Country Link
US (1) US8746729B2 (en)
EP (1) EP2722081B1 (en)
DE (1) DE202013012101U1 (en)
FR (1) FR2997022B1 (en)

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EP2821113A1 (en) * 2013-05-17 2015-01-07 MARKER Deutschland GmbH Toe holder with entrance aid
EP3854465A1 (en) 2020-01-24 2021-07-28 The M Equipment Front binding for a gliding device and gliding device provided with such a front binding
FR3106501A1 (en) 2020-01-24 2021-07-30 The M Equipment Front stop for sliding gear, and sliding gear equipped with such a front stop
EP3928842A1 (en) * 2020-06-22 2021-12-29 Salewa Sport AG Front unit for a touring ski binding
FR3116208A1 (en) 2020-11-13 2022-05-20 The M Equipment Protective device for the front stop of a gliding device, its use, and front stop thus equipped

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WO2009121187A1 (en) 2008-04-03 2009-10-08 G3 Genuine Guide Gear Inc. Toe unit for alpine touring binding
ITTO20110598A1 (en) * 2011-07-07 2013-01-08 Elmi S R L TIP FOR SKI CONNECTION OR SNOWSHOES WITH MAGNETIC SELF-CENTERING SYSTEM
FR2990624B1 (en) * 2012-05-18 2014-05-09 Rossignol Sa SKI FIXING WITH BRAKE
FR3002460B1 (en) * 2013-02-22 2017-08-25 Rossignol Sa TORSIONALLY AUTOMATIC TRIGGER STOP
FR3026311A1 (en) 2014-09-26 2016-04-01 Salomon Sas TALONNIERE FIXING A SHOE ON A BOARD OF SLIDING
DE102015223117B4 (en) 2015-11-23 2022-01-05 Salewa Sport Ag Touring binding with a control body to limit the penetration depth
USD820933S1 (en) 2016-05-04 2018-06-19 Salomon S.A.S. Ski binding
USD820932S1 (en) 2016-05-04 2018-06-19 Salomon S.A.S. Ski binding
DE102016013104A1 (en) * 2016-11-02 2018-05-03 Skis Rossignol Sas ski binding
DE102016222951A1 (en) * 2016-11-21 2018-05-24 Salewa Sport Ag Touring binding for mounting on a sliding board
AT519524A1 (en) * 2016-12-19 2018-07-15 Fischer Sports Gmbh Cross country binding
US11590406B2 (en) * 2017-04-13 2023-02-28 Worcester Polytechnic Institute Multi-mode load absorbing ski binding
EP3566754B1 (en) * 2018-05-08 2022-08-17 Fritschi AG - Swiss Bindings Front skibinding
DE102019127792A1 (en) * 2019-10-15 2021-04-15 Marker Deutschland Gmbh Clamping lever as a punched or cut part
IT202000012502A1 (en) * 2020-05-27 2021-11-27 Atk Sports S R L FRONT INSERT FOR SKI MOUNTAINEERING BOOTS, FOR ATTACHING THE BOOT TO A SKI MOUNTAINEERING BINDING

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EP2300111A1 (en) 2008-04-03 2011-03-30 G3 Genuine Guide Gear Inc. Toe unit for alpine touring binding
EP2353673A1 (en) * 2010-02-04 2011-08-10 Salewa Sport AG Cross-country ski binding with locking mechanism
EP2392388A1 (en) 2010-06-02 2011-12-07 Salewa Sport AG Touring binding

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DE3227237C1 (en) * 1981-10-19 1984-01-26 Heinz 8391 Tiefenbach Beck Safety binding for skis
EP0199098A2 (en) 1985-03-25 1986-10-29 Fritz Dipl.-Ing. Barthel Cross-country ski binding
EP1559457A1 (en) 2004-01-28 2005-08-03 Fritz Dipl.-Ing. Barthel Bearing plate and shoe for the binding of a cross-country touring ski
EP2300111A1 (en) 2008-04-03 2011-03-30 G3 Genuine Guide Gear Inc. Toe unit for alpine touring binding
EP2353673A1 (en) * 2010-02-04 2011-08-10 Salewa Sport AG Cross-country ski binding with locking mechanism
EP2392388A1 (en) 2010-06-02 2011-12-07 Salewa Sport AG Touring binding

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2821113A1 (en) * 2013-05-17 2015-01-07 MARKER Deutschland GmbH Toe holder with entrance aid
EP3854465A1 (en) 2020-01-24 2021-07-28 The M Equipment Front binding for a gliding device and gliding device provided with such a front binding
FR3106501A1 (en) 2020-01-24 2021-07-30 The M Equipment Front stop for sliding gear, and sliding gear equipped with such a front stop
EP3928842A1 (en) * 2020-06-22 2021-12-29 Salewa Sport AG Front unit for a touring ski binding
FR3116208A1 (en) 2020-11-13 2022-05-20 The M Equipment Protective device for the front stop of a gliding device, its use, and front stop thus equipped

Also Published As

Publication number Publication date
EP2722081B1 (en) 2015-11-25
US8746729B2 (en) 2014-06-10
US20140110919A1 (en) 2014-04-24
FR2997022A1 (en) 2014-04-25
FR2997022B1 (en) 2015-01-02
DE202013012101U1 (en) 2015-03-20

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