EP0140740A1 - Safety lock - Google Patents

Safety lock Download PDF

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Publication number
EP0140740A1
EP0140740A1 EP19840401820 EP84401820A EP0140740A1 EP 0140740 A1 EP0140740 A1 EP 0140740A1 EP 19840401820 EP19840401820 EP 19840401820 EP 84401820 A EP84401820 A EP 84401820A EP 0140740 A1 EP0140740 A1 EP 0140740A1
Authority
EP
European Patent Office
Prior art keywords
barrel
key
lock
pinion
blades
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
EP19840401820
Other languages
German (de)
French (fr)
Other versions
EP0140740B1 (en
Inventor
Gérard Henri Denis Doinel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fichet Bauche SA
Original Assignee
Fichet Bauche SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from FR8314790A external-priority patent/FR2552147B1/en
Priority claimed from FR8314789A external-priority patent/FR2552146B1/en
Application filed by Fichet Bauche SA filed Critical Fichet Bauche SA
Priority to AT84401820T priority Critical patent/ATE27981T1/en
Publication of EP0140740A1 publication Critical patent/EP0140740A1/en
Application granted granted Critical
Publication of EP0140740B1 publication Critical patent/EP0140740B1/en
Expired legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B29/00Cylinder locks and other locks with plate tumblers which are set by pushing the key in
    • E05B29/0013Cylinder locks and other locks with plate tumblers which are set by pushing the key in with rotating plate tumblers
    • E05B29/002Cylinder locks and other locks with plate tumblers which are set by pushing the key in with rotating plate tumblers rotating about an axis perpendicular to the key axis
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00Accessories in connection with locks
    • E05B17/14Closures or guards for keyholes
    • E05B17/18Closures or guards for keyholes shaped as lids or slides
    • E05B17/186Closures or guards for keyholes shaped as lids or slides sliding
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7486Single key
    • Y10T70/7508Tumbler type
    • Y10T70/7559Cylinder type
    • Y10T70/7576Sliding and rotary plug
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7486Single key
    • Y10T70/7508Tumbler type
    • Y10T70/7559Cylinder type
    • Y10T70/7588Rotary plug
    • Y10T70/7627Rotary or swinging tumblers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7486Single key
    • Y10T70/7508Tumbler type
    • Y10T70/7559Cylinder type
    • Y10T70/7588Rotary plug
    • Y10T70/7627Rotary or swinging tumblers
    • Y10T70/7633Transverse of plug
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7486Single key
    • Y10T70/7508Tumbler type
    • Y10T70/7559Cylinder type
    • Y10T70/7667Operating elements, parts and adjuncts
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7486Single key
    • Y10T70/7508Tumbler type
    • Y10T70/7559Cylinder type
    • Y10T70/7667Operating elements, parts and adjuncts
    • Y10T70/7684Plug
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7486Single key
    • Y10T70/7508Tumbler type
    • Y10T70/7559Cylinder type
    • Y10T70/7667Operating elements, parts and adjuncts
    • Y10T70/7689Tumblers
    • Y10T70/7695Plate
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7486Single key
    • Y10T70/7508Tumbler type
    • Y10T70/7559Cylinder type
    • Y10T70/7667Operating elements, parts and adjuncts
    • Y10T70/7706Operating connections
    • Y10T70/7712Rollbacks

Definitions

  • the present invention essentially relates to a very improved security lock.
  • Security locks are already known generally comprising a cylindrical body inside which is axially and rotatably movable a barrel or rotor containing a security and actuable by a key to control a lock mechanism.
  • the introduction of the key into the lock allows first of all the arming of the security thanks to which the key can then actuate the lock mechanism itself, that is to say finally bolts ensuring the locking of a door for example.
  • the aim of the present invention is to remedy the above drawbacks in particular, as well as many others, by proposing a new security lock, the structure and the components of which are such that a burglar wants to force this lock, moreover simple and inexpensive, necessarily encounters a multiplicity of difficulties which, in total, make said lock practically inviolable.
  • the subject of the invention is a security lock comprising a cylindrical body inside which is axially and rotatably movable mounted a barrel containing at least one pivoting part operable by a key and authorizing the control of a locking mechanism. lock by rotation of the barrel in the cylindrical body after axial displacement of this barrel towards said mechanism, characterized in that said pivoting part constantly meshes with a pinion which is idly mounted on an axis transversely integral with the barrel and which has a notch opening out to the periphery of this pinion and likely to enter into a positive training link with an element of the me lock mechanism after matching this notch with said element and then translation of the pinion towards the latter.
  • the safety of the lock comprises a pinion in normal position remote from the lock mechanism controlling the bolts, so that if the safety is not armed using the appropriate key, said pinion will turn mad without ability to operate the lock mechanism, so that in total the interior of the lock will not be damaged.
  • the aforementioned pivoting part is formed by two blades respectively pivotally mounted on the barrel symmetrically with respect to its axis and each meshing with a pinion carried by the aforementioned axis, said two blades each being able to constitute a group of blades each meshing with a pinion.
  • the axis carrying the aforementioned pinion or pinions is advantageously removably mounted by its two ends in the barrel, by means for example of two plugs embedded in the wall of this barrel.
  • two mobile plates facing each other forming an entry cover for the lock are slidably mounted at one of the ends of the barrel and are capable of cooperating by their external edge with a groove formed inside the aforementioned cylindrical body, and by their internal edge with a transverse groove formed on the two faces of the key bit.
  • each aforementioned groove is located in the vicinity of the heel of the key bit and has in cross section a U shape, one of the branches of which is orthogonal to the longitudinal axis of the key, and the other branch of which forms an acute angle with this axis.
  • the lock according to the invention is further characterized by a coupling of two fingers each urged by a spring and mounted in opposition in the wall of the barrel, one of these fingers projecting inside the barrel to block the pinion (s) when the other finger cooperates with a ramp or the like provided on the internal periphery of the cylindrical lock body.
  • the aforementioned pivoting blade or blades each have substantially the shape of an L, one of the branches of which constitutes a toothed sector meshing with a pinion and whose au tre branch, articulated on the barrel, has a part projecting towards the inside of the L and cooperating with the key bit.
  • the aforementioned housing for introducing and guiding the key is delimited in particular by bearing surfaces comprising grooves and ribs cooperating respectively with ribs and longitudinal grooves provided on each face of the key bit and selectively actuating the aforementioned pivoting blades.
  • a security lock essentially comprises a cylindrical body 1 in which is slidably mounted a barrel 2 forming the security part of the lock and actuable by a special key 3 for controlling a lock mechanism generally identified in 4.
  • the barrel 1 contains two sets or groups of blades or pivoting linings 5, one of these sets being articulated at 6, and the other at 7.
  • FIGS. 1 to 3 there is shown in solid lines, for more clarity, than a single set of pivoting blades 5, that is to say, that which is articulated at 6 on the barrel 2.
  • the blades 5 each mesh with a pinion 8 which has at its periphery a notch 9 capable of coming into connection with a stud 10 forming part of the lock mechanism 4 which controls bolts not shown.
  • each blade 5 has substantially the shape of an L, one branch 12 of which forms a toothed sector meshing with the pinion 8, and the other branch 13 of which is articulated on the barrel, has a part 14 projecting inwardly from the L and capable of cooperating with the faces 15 of the bit 16 of the key 3, as will be explained later.
  • the two sets of blades 5 respectively articulated at 6 and 7 on the barrel 2 are nested by the part 12 forming toothed sector, so that, as can be seen in FIG. 4, the blade 5a articulated at 6 meshes with the pinion 8a , the blade 5b articulated in 7 meshes with the pinion 8b, the blade 5c articulated in 6 meshes with the pinion 8c, and so on.
  • the blades or fittings 5 are nested and superimposed by their part 12 to mesh each with a pinion 8, it being understood that the blades articulated at 7 on the barrel 2 are symmetrical to the blades articulated at 6, as is shown in dashed lines in Figure 1. It is therefore already understood that by moving away or bringing one from the other a blade articulated at 6 and a blade articulated at 7, the pinion associated with one of these blades will rotate in the opposite direction of the pinion associated with the other blade.
  • the two sets of blades are respectively articulated on either side of a housing 17 provided in the barrel 2 and serving as an axial guide for the key 3.
  • Springs 18 constantly stress each blade of the two groups of blades in the direction of the abovementioned housing 17 or axis X of the barrel 2.
  • the housing 17 is delimited in particular by bearing surfaces 19 comprising grooves and ribs marked diagrammatically at 20 and which are respectively complementary to ribs and longitudinal grooves not shown provided on each side or face 15 of the bit 16 of the key 3 selectively actuating the blades 5.
  • the key introduction hole 3 is formed by the alignment of an orifice 1a formed in the cylindrical body 1, an orifice 21 formed in a part 42 associated with the bottom of the body 1, and the abovementioned housing 17 in barrel 2.
  • two plates 22 forming a movable cover and capable of cooperating by their external edge 22a with a groove 23 formed in the internal periphery of the cylindrical body 1
  • the two plates 22 are also capable of cooperating by their internal edges opposite 22b with two transverse and opposite grooves 24 provided on the bit 16 of the key 3 in the vicinity of the heel 33 of this bit.
  • the two grooves 24 give the bit 16 a narrowed section and each groove has a U shape in cross section, one of the branches 24a of which is orthogonal to the axis X of the key 3 and the other branch 24b of which forms an angle acute with this axis.
  • the plates 22 of the movable cover are constantly stressed in the closed position by springs 27 clearly visible in FIG. 5.
  • FIG. 25 and 26 show two fingers mounted in opposition in the wall of the barrel 2 and each urged by a spring 25a, 26a.
  • the spring 26a is more powerful than the spring 25a, so that the finger 26 is held in the extended position in a recess 27 provided on the internal periphery of the cylindrical body 1, so that, in this way, the finger 25 is in the retracted position or re-entered in the wall of the barrel 2. This is clearly visible in FIG. 1.
  • the recess 27 has a ramp portion 28 which, under the effect of the advancement of the barrel 2 in the cylindrical body 1, pushes the finger 26, so that the finger 25 protrudes inside the barrel 2 to block the pinions 8, as can be seen in FIGS. 2 and 3.
  • the lock mechanism 4 controlling, for example, bolts is of the type known per se and, as can be seen in the figures, essentially comprises a part 29 actuating the bolts and integral in rotation with another part 30 carrying the spigot 10.
  • a spring 31 is arranged between the parts 29 and 30 which can rotate in a ring 35 forming a sliding surface for the barrel 2. It will be added here that a spring 32 is provided between the barrel 2 and the part 30 to constantly stress said part and therefore the chuck 10 in the remote position of non-connection with the pinions 8.
  • the plates of the movable cover at the entrance to the lock contribute to security by limiting the accessibility to the picking tools by the fact that said plates must be practically closed to allow the advancement of the barrel in the cylindrical lock body.
  • the fingers 25 and 26 block the pinions 8 during advancement of the barrel 2. If consequently pressure is applied to the cover in the closed position, the barrel can advance, but the sprockets 8 will be blocked so that, if a burglar tries to introduce a feeler or picking tool between the plates of the cover (if at all it succeeds because of the very low accessibility of the lock when the cover is closed, as explained above), it will not be able to actuate the blades 5 anyway since the pinions 8 will be blocked.
  • the rear part or heel 33 of the bit 3 protrudes from the barrel 2 and has a length equal to the useful stroke of this barrel until rotation, said heel rubbing during rotation on the part 42, which prevents any exit of the key.
  • the lock of the invention also comprises other elements known per se and which need not be described in detail here, such as for example the lug 34 visible in FIG. 4 and capable of cooperating with a groove in the inner periphery of the body cylindrical 1, and this so that the barrel can rotate only when the notches 9 of the pinions 8 are engaged in the spigot 10.
  • the pinion group 8 forms a unit which can be easily removed from the barrel to change the combination of the lock, without changing the whole assembly, in the case where the service key is to be eliminated and replace it with another.
  • a particularly improved security lock has therefore been produced, capable of withstanding picking attempts perfectly, relatively simple and inexpensive to manufacture, and not requiring replacement when it is desired to change the combination of the security mechanism.
  • this lock can use a single swivel blade and a single pinion meshing with this blade, or even a single set of swivel blades, although the use of two sets of blades is preferable in terms of safety at picking and feel of the blades.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
  • Mechanical Control Devices (AREA)

Abstract

La présente invention concerne une serrure de sûreté. Cette serrure comprend un corps cylindrique (1) à l'intérieur duquel est monté mobile un barillet (2) contenant un mécanisme de sûreté qui est constitué par des lames pivotantes (5) engrenant respectivement avec des pignons (8) montés fous sur un axe (11) transversalement solidaire du barillet (2) et possédant chacun une encoche (9) susceptible d'entrer en liaison positive d'entraînement avec un mentonnet (10) de commande du mécanisme de serrure (4), seulement après mise en correspondance des encoches (9) avec le mentonnet (10) qui est initialement éloigné des pignons (8). La serrure de l'invention peut être par exemple fixée sur une porte pour en assurer le verrouillage.The present invention relates to a security lock. This lock comprises a cylindrical body (1) inside which is movably mounted a barrel (2) containing a safety mechanism which is constituted by pivoting blades (5) meshing respectively with pinions (8) mounted idly on an axis (11) transversely integral with the barrel (2) and each having a notch (9) capable of coming into positive drive connection with a stud (10) for controlling the lock mechanism (4), only after matching of the notches (9) with the bar (10) which is initially spaced from the pinions (8). The lock of the invention can for example be fixed on a door to ensure locking.

Description

La présente invention a essentiellement pour objet une serrure de sûreté très perfectionnée.The present invention essentially relates to a very improved security lock.

On connait déjà des serrures de sûreté comprenant d'une manière générale un corps cylindrique à l'intérieur duquel est monté axialement et rotativement mobile un barillet ou rotor contenant une sûreté et actionnable par une clé pour commander un mécanisme de serrure. Ainsi, l'introduction de la clé dans la serrure permet tout d'abord l'armement de la sûreté grâce à quoi la clé peut ensuite actionner le mécanisme de serrure proprement dit, c'est-à-dire finalement des pênes assurant le verrouillage d'une porte par exemple.Security locks are already known generally comprising a cylindrical body inside which is axially and rotatably movable a barrel or rotor containing a security and actuable by a key to control a lock mechanism. Thus, the introduction of the key into the lock allows first of all the arming of the security thanks to which the key can then actuate the lock mechanism itself, that is to say finally bolts ensuring the locking of a door for example.

Toutefois, les serrures de sûreté proposées jusqu'à présent présentaient un certain nombre d'inconvénients. Ainsi, lorsqu'un cambrioleur tentait de forcer la serrure par introduction d'une fausse clé par exemple, la partie sûreté associée au mécanisme de serrure était nécessairement détruite, ce qui exigeait le remplacement complet de la serrure. En outre, sur les serrures de sûreté connues, on ne pouvait pas changer la combinaison de la serrure sans changer la partie sûreté de cette serrure ou y ajouter des pièces supplémentaires, ce qui, au tctal, représentait une opération relativement longue et coûteuse. On peut encore ajouter ici que, dans les serrures de sûreté connues, la sûreté était toujours reliée de façon positive et permanente au mentonnet ou système de condamnation, de 'sorte que l'action de ce mécanisme par crochetage ou tâtage de la sûreté était relativement aisée pour un cambrioleur expérimenté. Enfin, on peut encore dire ici que l'orifice d'entrée des serrures existantes possède des dimensions correspondant au moins à celles du panneton de la clé, et cet orifice constitue malgré tout une accessibilité commode et propice à l'introduction d'un outil de crochetage ou d'une fausse clé.However, the safety locks proposed so far have had a number of drawbacks. Thus, when a burglar tried to force the lock by introducing a false key for example, the security part associated with the lock mechanism was necessarily destroyed, which required the complete replacement of the lock. In addition, on known security locks, one could not change the combination of the lock without changing the security part of this lock or adding additional parts, which, in tctal, represented an opera relatively long and expensive. We can add here that in the known safety locks, safety was always connected positively and permanently to the flange or sentencing system, 'so that the action of the mechanism by hooking or feeler safety was relatively easy for an experienced burglar. Finally, it can also be said here that the entry opening of existing locks has dimensions corresponding at least to those of the key bit, and this opening nevertheless constitutes convenient accessibility and conducive to the introduction of a tool or a false key.

La présente invention a pour but de remédier notamment aux inconvénients ci-dessus ainsi qu'à bien d'autres, en proposant une nouvelle serrure de sûreté dont la structure et les organes qui la composent sont tels qu'un cambrioleur voulant forcer cette serrure, au demeurant simple et peu coûteuse, se heurte nécessairement à une multiplicité de difficultés qui, au total,rendent ladite serrure pratiquement inviolable.The aim of the present invention is to remedy the above drawbacks in particular, as well as many others, by proposing a new security lock, the structure and the components of which are such that a burglar wants to force this lock, moreover simple and inexpensive, necessarily encounters a multiplicity of difficulties which, in total, make said lock practically inviolable.

A cet effet, l'invention a pour objet une serrure de sûreté comprenant un corps cylindrique à l'intérieur duquel est monté axialement et rotativement mobile un barillet contenant au moins une pièce pivotante actionnable par une clé et autorisant la commande d'un mécanisme de serrure par rotation du barillet dans le corps cylindrique après déplacement axial de ce barillet vers ledit mécanisme, caractérisée en ce que ladite pièce pivotante engrène constamment avec un pignon qui est monté fou sur un axe transversalement solidaire du barillet et qui possède une encoche débouchant à la périphérie de ce pignon et susceptible d'entrer en liaison positive d'entrainement avec un élément du mécanisme de serrure après mise en correspondance de cette encoche avec ledit élément puis translation du pignon vers celui-ci.To this end, the subject of the invention is a security lock comprising a cylindrical body inside which is axially and rotatably movable mounted a barrel containing at least one pivoting part operable by a key and authorizing the control of a locking mechanism. lock by rotation of the barrel in the cylindrical body after axial displacement of this barrel towards said mechanism, characterized in that said pivoting part constantly meshes with a pinion which is idly mounted on an axis transversely integral with the barrel and which has a notch opening out to the periphery of this pinion and likely to enter into a positive training link with an element of the me lock mechanism after matching this notch with said element and then translation of the pinion towards the latter.

On comprend donc déjà que la sûreté de la serrure comprend un pignon en position normale éloignée du mécanisme de serrure commandant les pênes, de sorte que si la sûreté n'est pas armée à l'aide de la clé adéquate, ledit pignon tournera fou sans pouvoir actionner le mécanisme de la serrure, si bien qu'au total, l'intérieur de la serrure ne risquera pas d'être endommagé.It is therefore already understood that the safety of the lock comprises a pinion in normal position remote from the lock mechanism controlling the bolts, so that if the safety is not armed using the appropriate key, said pinion will turn mad without ability to operate the lock mechanism, so that in total the interior of the lock will not be damaged.

Suivant un mode de réalisation préféré , la pièce pivotante précitée est formée par deux lames respectivement montées pivotantes sur le barillet symétriquement par rapport à son axe et engrenant chacune avec un pignon porté par l'axe précité, lesdites deux lames pouvant constituer chacune un groupe de lames engrenant chacune avec un pignon.According to a preferred embodiment, the aforementioned pivoting part is formed by two blades respectively pivotally mounted on the barrel symmetrically with respect to its axis and each meshing with a pinion carried by the aforementioned axis, said two blades each being able to constitute a group of blades each meshing with a pinion.

On précisera encore ici que l'axe portant le ou les pignons précités est avantageusement monté de manière amovible par ses deux extrémités dans le barillet, au moyen par exemple de deux bouchons encastrés dans la paroi de ce barillet.It will also be specified here that the axis carrying the aforementioned pinion or pinions is advantageously removably mounted by its two ends in the barrel, by means for example of two plugs embedded in the wall of this barrel.

Ainsi, on pourra commodément extraire le goupe de pignons du barillet préalablement sorti du corps de la serrure, pour changer la combinaison de la serrure en fonction de la nouvelle clé que l'on voudra utiliser.Thus, we can conveniently extract the group of barrel gears previously removed from the lock body, to change the combination of the lock according to the new key that you want to use.

Suivant une autre caractéristique de l'invention, deux platines mobiles en vis-à-vis formant cache d'entrée de la serrure sont montées coulissantes à l'une des extrémités du barillet et sont susceptibles de coopérer par leur bord externe avec une gorge ménagée à l'intérieur du corps cylindrique précitée, et par leur bord interne avec une rainure transversale ménagée sur les deux faces du panneton de la clé.According to another characteristic of the invention, two mobile plates facing each other forming an entry cover for the lock are slidably mounted at one of the ends of the barrel and are capable of cooperating by their external edge with a groove formed inside the aforementioned cylindrical body, and by their internal edge with a transverse groove formed on the two faces of the key bit.

Selon une autre caractéristique de l'invention, chaque rainure précitée est située au voisinage du talon du panneton de la clé et présente en section transversale une forme de U dont l'une des branches est orthogonale à l'axe longitudinal de la clé, et dont l'autre branche forme un angle aigu avec cet axe.According to another characteristic of the invention, each aforementioned groove is located in the vicinity of the heel of the key bit and has in cross section a U shape, one of the branches of which is orthogonal to the longitudinal axis of the key, and the other branch of which forms an acute angle with this axis.

La serrure selon l'invention est encore caractérisée par un attelage de deux doigts sollicités chacun par un ressort et montés en opposition dans la paroi du barillet, l'un de ces doigts faisant saillie à l'intérieur du barillet pour bloquer le ou les pignons lorsque l'autre doigt coopère avec une rampe ou analogue prévue sur la périphérie interne du corps cylindrique de serrure.The lock according to the invention is further characterized by a coupling of two fingers each urged by a spring and mounted in opposition in the wall of the barrel, one of these fingers projecting inside the barrel to block the pinion (s) when the other finger cooperates with a ramp or the like provided on the internal periphery of the cylindrical lock body.

Suivant une réalisation préférée,la ou les lames pivotantes susmentionnées présentent chacune sensiblement la forme d'un L dont l'une des branches constitue un secteur denté engrenant avec un pignon et dont l'autre branche, articulée sur le barillet, comporte une partie en saillie vers l'intérieur du L et coopérant avec le panneton de la clé.According to a preferred embodiment, the aforementioned pivoting blade or blades each have substantially the shape of an L, one of the branches of which constitutes a toothed sector meshing with a pinion and whose au tre branch, articulated on the barrel, has a part projecting towards the inside of the L and cooperating with the key bit.

On ajoutera encore ici que les deux lames ou groupes de lames précitées sont respectivement articulés de part et d'autre d'un logement axial et de guidage pour la clé, et sont constamment sollicitées par des ressorts en direction de l'axe du barillet.It will also be added here that the two aforementioned blades or groups of blades are respectively articulated on either side of an axial housing and of a guide for the key, and are constantly stressed by springs in the direction of the axis of the barrel.

Le logement précité d'introduction et de guidage de la clé est délimité notamment par des surfaces de portée comportant des rainures et nervures coopérant respectivement avec des nervures et rainures longitudinales prévues sur chaque face du panneton de la clé et actionnant sélectivement les lames pivotantes précitées.The aforementioned housing for introducing and guiding the key is delimited in particular by bearing surfaces comprising grooves and ribs cooperating respectively with ribs and longitudinal grooves provided on each face of the key bit and selectively actuating the aforementioned pivoting blades.

Mais d'autres caractéristiques et avantages de l'invention apparaitront mieux dans la description détaillée qui suit et se réfère aux dessins annexés, donnés uniquement à titre d'exemple, et dans lesquels :

  • La figure 1 est une vue en coupe axiale d'une serrure conforme aux principes de l'invention, cette coupe étant perpendiculaire à l'axe portant les pignons faisant partie du mécanisme du sûreté ;
  • La figure 2 est une vue identique à la figure 1, mais montrant une autre position des organes de la sûreté, alors que la clé est introduite et prête à actionner le mécanisme de serrure ;
  • La figure 3 est une vue identique aux figures 1 et 2 mais montrant encore une autre position des organes du mécanisme de sûreté lorsqu'une fausse clé est introduite dans la serrure ;
  • La figure 4 est une vue en coupe suivant la ligne IV-IV de la figure 3, et
  • La figure 5 est une vue en coupe suivant la ligne V-V de la figure 1 et montrant le cache mobile à l'entrée de la serrure.
However, other characteristics and advantages of the invention will appear better in the detailed description which follows and which refers to the appended drawings, given solely by way of example, and in which:
  • Figure 1 is an axial sectional view of a lock according to the principles of the invention, this section being perpendicular to the axis carrying the pinions forming part of the safety mechanism;
  • Figure 2 is a view identical to Figure 1, but showing another position of the security organs, while the key is inserted and ready to actuate the lock mechanism;
  • Figure 3 is a view identical to Figures 1 and 2 but showing yet another position of the safety mechanism members when a false key is in troduit in the lock;
  • FIG. 4 is a sectional view along line IV-IV of FIG. 3, and
  • Figure 5 is a sectional view along line VV of Figure 1 and showing the movable cover at the entrance of the lock.

Suivant un exemple de réalisation, et en se reportant aux dessins annexés, une serrure de sûreté conforme à l'invention comprend essentiellement un corps cylindrique 1 dans lequel est monté à coulissement un barillet 2 formant la partie de sûreté de la serrure et actionnable par une clé spéciale 3 pour commander un mécanisme de serrure repéré d'une manière générale en 4.According to an exemplary embodiment, and with reference to the accompanying drawings, a security lock according to the invention essentially comprises a cylindrical body 1 in which is slidably mounted a barrel 2 forming the security part of the lock and actuable by a special key 3 for controlling a lock mechanism generally identified in 4.

Le barillet 1 contient deux jeux ou groupes de lames ou garnitures pivotantes 5, l'un de ces jeux étant articulé en 6, et l'autre en 7. Sur les figures 1 à 3, on n'a représenté en traits pleins, pour plus de clarté, qu'un seul jeu de lames pivotantes 5 à savoir, celui qui est articulé en 6 sur le barillet 2.The barrel 1 contains two sets or groups of blades or pivoting linings 5, one of these sets being articulated at 6, and the other at 7. In FIGS. 1 to 3, there is shown in solid lines, for more clarity, than a single set of pivoting blades 5, that is to say, that which is articulated at 6 on the barrel 2.

Les lames 5 engrènent chacune avec un pignon 8 qui possède à sa périphérie une encoche 9 susceptible d'entrer en liaison avec un mentonnet 10 faisant partie du mécanisme de serrure 4 qui commande des pênes non représentés.The blades 5 each mesh with a pinion 8 which has at its periphery a notch 9 capable of coming into connection with a stud 10 forming part of the lock mechanism 4 which controls bolts not shown.

Comme on le voit mieux sur la figure 4, tous les pignons 8a, 8b, 8c... coopérant respectivement avec les lames 5a, 5b, 5c... sont montés fous autour d'un axe 11 monté de manière amovible par ses deux extrémités dans la paroi du barillet 2 par l'intermédiaire de boùchons 11a encastrés dans ladite paroi.As best seen in Figure 4, all the pinions 8a, 8b, 8c ... cooperating respectively with the blades 5a, 5b, 5c ... are mounted idly around an axis 11 removably mounted by its two ends in the wall of barrel 2 via plugs 11a embedded in said wall.

En revenant aux figures 1 à 3, on voit que chaque lame 5 présente sensiblement la forme d'un L dont une branche 12 constitue un secteur denté engrenant avec le pignon 8, et dont l'autre branche 13 articulée sur le barillet, comporte une partie 14 en saillie vers l'intérieur du L et susceptible de coopérer avec les faces 15 du panneton 16 de la clé 3, comme on l'expliquera ultérieurement.Returning to FIGS. 1 to 3, it can be seen that each blade 5 has substantially the shape of an L, one branch 12 of which forms a toothed sector meshing with the pinion 8, and the other branch 13 of which is articulated on the barrel, has a part 14 projecting inwardly from the L and capable of cooperating with the faces 15 of the bit 16 of the key 3, as will be explained later.

Les deux jeux de lames 5 respectivement articulés en 6 et 7 sur le barillet 2 sont imbriqués par la partie 12 formant secteur denté, de sorte que, comme on le voit sur la figure 4, la lame 5a articulée en 6 engrène avec le pignon 8a, la lame 5b articulée en 7 engrène avec le pignon 8b, la lame 5c articulée en 6 engrène avec le pignon 8c, et ainsi de suite. En d'autres termes, les lames ou garnitures 5 sont imbriquées et superposées par leur partie 12 pour engrener chacune avec un pignon 8, étant bien entendu que les lames articulées en 7 sur le barillet 2 sont symétriques aux lames articulées en 6, comme on l'a montré en traits pointillés sur la figure 1. On comprend donc déjà qu'en écartant ou en rapprochant l'une de l'autre une lame articulée en 6 et une lame articulée en 7, le pignon associé à l'une de ces lames tournera dans le sens inverse du pignon associé à l'autre lame.The two sets of blades 5 respectively articulated at 6 and 7 on the barrel 2 are nested by the part 12 forming toothed sector, so that, as can be seen in FIG. 4, the blade 5a articulated at 6 meshes with the pinion 8a , the blade 5b articulated in 7 meshes with the pinion 8b, the blade 5c articulated in 6 meshes with the pinion 8c, and so on. In other words, the blades or fittings 5 are nested and superimposed by their part 12 to mesh each with a pinion 8, it being understood that the blades articulated at 7 on the barrel 2 are symmetrical to the blades articulated at 6, as is shown in dashed lines in Figure 1. It is therefore already understood that by moving away or bringing one from the other a blade articulated at 6 and a blade articulated at 7, the pinion associated with one of these blades will rotate in the opposite direction of the pinion associated with the other blade.

Comme on le voit sur les figures 1 et 2, les deux jeux de lames sont respectivement articulés de part et d'autre d'un logement 17 prévu dans le barillet 2 et servant de guidage axial pour la clé 3. Des ressorts 18 sollicitent constamment chaque lame des deux groupes de lames en direction du logement précité 17 ou axe X du barillet 2. Le logement 17 est délimité notamment par des portées 19 comportant des rainures et nervures repérées schématiquement en 20 et qui sont respectivement complémentaires de nervures et rainures longitudinales non représentées prévues sur chaque côté ou face 15 du panneton 16 de la clé 3 actionnant sélectivement les lames 5.As seen in Figures 1 and 2, the two sets of blades are respectively articulated on either side of a housing 17 provided in the barrel 2 and serving as an axial guide for the key 3. Springs 18 constantly stress each blade of the two groups of blades in the direction of the abovementioned housing 17 or axis X of the barrel 2. The housing 17 is delimited in particular by bearing surfaces 19 comprising grooves and ribs marked diagrammatically at 20 and which are respectively complementary to ribs and longitudinal grooves not shown provided on each side or face 15 of the bit 16 of the key 3 selectively actuating the blades 5.

L'orifice d'introduction de la clé 3 est constitué par l'alignement d'un orifice 1a ménagé dans le corps cylindrique 1, d'un orifice 21 ménagé dans une pièce 42 associée au fond du corps 1, et du logement précité 17 dans le barillet 2.The key introduction hole 3 is formed by the alignment of an orifice 1a formed in the cylindrical body 1, an orifice 21 formed in a part 42 associated with the bottom of the body 1, and the abovementioned housing 17 in barrel 2.

A l'extrémité du barillet 2, et comme on le voit mieux sur la figure 5, sont montées coulissantes deux platines 22 formant cache mobile et susceptibles de coopérer par leur bord externe 22a avec une gorge 23 ménagée dans la périphérie interne du corps cylindrique 1. Les deux platines 22 sont également susceptibles de coopérer par leurs bords internes en vis-à-vis 22b avec deux rainures transversales et opposées 24 prévues sur le panneton 16 de la clé 3 au voisinage du talon 33 de ce panneton.At the end of the barrel 2, and as best seen in FIG. 5, are slidingly mounted two plates 22 forming a movable cover and capable of cooperating by their external edge 22a with a groove 23 formed in the internal periphery of the cylindrical body 1 The two plates 22 are also capable of cooperating by their internal edges opposite 22b with two transverse and opposite grooves 24 provided on the bit 16 of the key 3 in the vicinity of the heel 33 of this bit.

Les deux rainures 24 confèrent au panneton 16 une section rétrécie et chaque rainure présente en section transversale une forme de U dont l'une 24a des branches est orthogonale à l'axe X de la clé 3 et dont l'autre branche 24b forme un angle aigu avec cet axe.The two grooves 24 give the bit 16 a narrowed section and each groove has a U shape in cross section, one of the branches 24a of which is orthogonal to the axis X of the key 3 and the other branch 24b of which forms an angle acute with this axis.

Les platines 22 du cache mobile sont constamment sollicitées en position fermée par des ressorts 27 bien visibles sur la figure 5.The plates 22 of the movable cover are constantly stressed in the closed position by springs 27 clearly visible in FIG. 5.

On a montré en 25 et 26 deux doigts montés en opposition dans la paroi du barillet 2 et sollicités chacun par un ressort 25a, 26a. Le ressort 26a est plus puissant que le ressort 25a, de sorte que le doigt 26 est maintenu en position sortie dans un évidement 27 prévu sur la périphérie interne du corps cylindrique 1, pour que, de cette manière, le doigt 25 soit en position rétractée ou rentrée dans la paroi du barillet 2. Cela est bien visible sur la figure 1.25 and 26 show two fingers mounted in opposition in the wall of the barrel 2 and each urged by a spring 25a, 26a. The spring 26a is more powerful than the spring 25a, so that the finger 26 is held in the extended position in a recess 27 provided on the internal periphery of the cylindrical body 1, so that, in this way, the finger 25 is in the retracted position or re-entered in the wall of the barrel 2. This is clearly visible in FIG. 1.

L'évidement 27 comporte une partie formant rampe 28 et qui, sous l'effet de l'avancement du barillet 2 dans le corps cylindrique 1, pousse le doigt 26, de sorte que le doigt 25 fait saillie à l'intérieur du barillet 2 pour bloquer les pignons 8, comme on le voit bien sur les figures 2 et 3.The recess 27 has a ramp portion 28 which, under the effect of the advancement of the barrel 2 in the cylindrical body 1, pushes the finger 26, so that the finger 25 protrudes inside the barrel 2 to block the pinions 8, as can be seen in FIGS. 2 and 3.

Le mécanisme de serrure 4 commandant par exemple des pênes est du type connu en soi et, comme on le voit sur les figures, comprend essentiellement une pièce 29 actionnant les pênes et solidaire en rotation d'une autre pièce 30 portant le mentonnet 10. Un ressort 31 est agencé entre les pièces 29 et 30 qui peuvent tourner dans une bague 35 formant portée de coulissement pour le barillet 2. On ajoutera ici qu'un ressort 32 est prévu entre le barillet 2 et la pièce 30 pour solliciter constamment ladite pièce et donc le mentonnet 10 en position éloignée de non liaison avec les pignons 8.The lock mechanism 4 controlling, for example, bolts is of the type known per se and, as can be seen in the figures, essentially comprises a part 29 actuating the bolts and integral in rotation with another part 30 carrying the spigot 10. A spring 31 is arranged between the parts 29 and 30 which can rotate in a ring 35 forming a sliding surface for the barrel 2. It will be added here that a spring 32 is provided between the barrel 2 and the part 30 to constantly stress said part and therefore the chuck 10 in the remote position of non-connection with the pinions 8.

Ayant ainsi décrit la serrure de sûreté conforme à l'invention, on en décrira maintenant le fonctionnement et les avantages.Having thus described the security lock according to the invention, we will now describe its operation and advantages.

Lorsque la clé est introduite dans la serrure, elle franchit tout d'abord le cache mobile et provoque l'écartement radial des platines 22 qui viennent en prise avec la gorge 23, ce qui empêche le barillet 2 d'avancer dans le corps cylindrique 1. L'introduction se poursuit jusqu'à ce que les platines 22 sollicitées par les ressorts 27 se ferment sur les rainures transversales 24 de la clé 3.When the key is inserted into the lock, it first crosses the movable cover and causes the radial spacing of the plates 22 which come into engagement with the groove 23, which prevents the barrel 2 from advancing in the cylindrical body 1 The introduction continues until the plates 22 urged by the springs 27 close on the transverse grooves 24 of the key 3.

A ce stade, le panneton 16 de la clé 3 aura agi sur les deux jeux de lames pivotantes 5 de façon à réaliser l'alignement des encoches 9 de tous les pignons 8, lesdites encoches étant bien entendu en regard du mentonnet 10.At this stage, the bit 16 of the key 3 will have acted on the two sets of pivoting blades 5 so as to align the notches 9 of all the pinions 8, said notches being of course facing the spigot 10.

Dès lors, en poussant sur la clé 3, comme on le voit sur la figure 2, les encoches 9 s'engagent sur le mentonnet 10 et la rotation de la clé commandant la rotation du barillet 2 permettra la rotation du mentonnet 10 et donc de la pièce 29 qui commande les pênes assurant par exemple le verrouillage d'une porte.Therefore, by pushing on the key 3, as can be seen in FIG. 2, the notches 9 engage on the chin 10 and the rotation of the key controlling the rotation of the barrel 2 will allow the rotation of the chin 10 and therefore of the part 29 which controls the bolts ensuring for example the locking of a door.

Si comme on le voit sur la figure 3, on introduit une fausse clé avec des rainures transversales 24, ce qui permet la fermeture des platines 22, comme expliqué ci-dessus, les lames 5 feront pivoter les pignons 8 qui, comme on l'a vu plus haut, sont montés fous sur l'axe 11 et les pignons ne seront pas en position de liaison des encoches 9 avec le mentonnet 10. En continuant'l'introduction de la clé on dégage l'ergot 34 de sa rainure, on pousse le mentonnet 10 contre la pression du ressort 31, et ainsi on peut faire tourner l'ensemble barillet sans entrainer le mécanisme serrure et sans détériorer la sûreté. Si par contre on introduit une fausse clé sans rainures transversales 24, on immobilise le barillet dans la position initiale d'où on ne peut ni le pousser ni le faire tourner, les platines 22 du cache mobile l'empêchant de se déplacer.If as seen in Figure 3, we introduce a dummy key with transverse grooves 24, which allows the closing of the plates 22, as explained above, the blades 5 will rotate the pinions 8 which, as we seen above, are mounted idly on the axis 11 and the pinions will not be in the position of connection of the notches 9 with the chuck 10. By continuing to introduce the key, the lug 34 is released from its groove, the chin 10 is pushed against the pressure of the spring 31, and thus the barrel assembly can be rotated without driving the lock mechanism and without damaging the safety. If, on the other hand, a false key is introduced without transverse grooves 24, the barrel is immobilized in the initial position from which can neither push nor rotate it, the plates 22 of the movable cover preventing it from moving.

En outre, on remarquera que les platines du cache mobile à l'entrée de la serrure participent à la sécurité en limitant l'accessibilité aux outils de crochetage par le fait qu'il faut que lesdites platines soient pratiquement fermées pour permettrre l'avancement du barillet dans le corps cylindrique de serrure.In addition, it will be noted that the plates of the movable cover at the entrance to the lock contribute to security by limiting the accessibility to the picking tools by the fact that said plates must be practically closed to allow the advancement of the barrel in the cylindrical lock body.

De plus, comme on l'a expliqué précédemment, les doigts 25 et 26 bloquent les pignons 8 lors de l'avancement du barillet 2. Si par conséquent on effectue une pression sur le cache en position fermée, le barillet pourra avancer, mais les pignons 8 seront bloqués de sorte que, si un cambrioleur essaie d'introduire entre les platines du cache un outil de tâtage ou de crochetage (si tant est qu'il y parvient en raison de la très faible acccessibilité de la serrure lorsque le cache est fermé, comme expliqué plus haut), il ne pourra pas de toute manière actionner les lames 5 puisque les pignons 8 seront bloqués.In addition, as explained above, the fingers 25 and 26 block the pinions 8 during advancement of the barrel 2. If consequently pressure is applied to the cover in the closed position, the barrel can advance, but the sprockets 8 will be blocked so that, if a burglar tries to introduce a feeler or picking tool between the plates of the cover (if at all it succeeds because of the very low accessibility of the lock when the cover is closed, as explained above), it will not be able to actuate the blades 5 anyway since the pinions 8 will be blocked.

On ajoutera encore ici que lorsque la clé est introduite dans le cache mobile, comme on le voit sur la figure 2, la partie arrière ou talon 33 du panneton 3 fait saillie du barillet 2 et possède une longueur égale à la course utile de ce barillet jusqu'à la rotation , ledit talon frottant pendant la rotation sur la pièce 42, ce qui empêche toute sortie de la clé. La serrure de l'invention comprend encore d'autres éléments connus en soi et qui n'ont pas lieu d'être décrits en détail ici, tels que par exemple l'ergot 34 visible sur la figure 4 et susceptible de coopérer avec une gorge dans la périphérie interne du corps cylindrique 1, et cela pour que le barillet puisse tourner seulement lorsque les encoches 9 des pignons 8 sont engagées dans le mentonnet 10.It will also be added here that when the key is inserted into the movable cover, as seen in FIG. 2, the rear part or heel 33 of the bit 3 protrudes from the barrel 2 and has a length equal to the useful stroke of this barrel until rotation, said heel rubbing during rotation on the part 42, which prevents any exit of the key. The lock of the invention also comprises other elements known per se and which need not be described in detail here, such as for example the lug 34 visible in FIG. 4 and capable of cooperating with a groove in the inner periphery of the body cylindrical 1, and this so that the barrel can rotate only when the notches 9 of the pinions 8 are engaged in the spigot 10.

On insistera encore ici sur le fait que le groupe de pignons 8 forme une unité qui peut être facilement extraite du barillet pour changer la combinaison de la serrure, sans changer tout l'ensemble, dans le cas où on veut éliminer la clé de service et la remplacer par une autre. Ainsi, il suffit, pour un installateur de fournir une nouvelle clé, sans pour cela fournir un nouveau mécanisme de sûreté.Here again, it will be emphasized that the pinion group 8 forms a unit which can be easily removed from the barrel to change the combination of the lock, without changing the whole assembly, in the case where the service key is to be eliminated and replace it with another. Thus, it suffices for an installer to provide a new key, without providing a new security mechanism.

On a donc réalisé une serrure de sûreté particulièrement perfectionnée, apte à résister parfaitement aux tentatives de crochetage, relativement simple et peu coûteuse à fabriquer, et ne nécessitant pas un remplacement lorsqu'on désire changer la combinaison du mécanisme de sûreté.A particularly improved security lock has therefore been produced, capable of withstanding picking attempts perfectly, relatively simple and inexpensive to manufacture, and not requiring replacement when it is desired to change the combination of the security mechanism.

Bien entendu, l'invention n'est nullement limitée au mode de réalisation décrit et illustré qui n'a été donné qu'à titre d'exemple.Of course, the invention is in no way limited to the embodiment described and illustrated, which has been given only by way of example.

C'est ainsi que cette serrure peut utiliser une seule lame pivotante et un seul pignon engrenant avec cette lame, ou bien un seul jeu de lames pivotantes, bien que l'emploi de deux jeux de lames soit préférable sur le plan de la sécurité au crochetage et au tâtage des lames. De même, on pourrait prévoir sur les pignons un autre moyen qu'une encoche pour coopérer avec le mécanisme de serrure.Thus, this lock can use a single swivel blade and a single pinion meshing with this blade, or even a single set of swivel blades, although the use of two sets of blades is preferable in terms of safety at picking and feel of the blades. Similarly, one could provide on the pinions another means than a notch to cooperate with the lock mechanism.

C'est dire que l'invention comprend tous les équivalents techniques des moyens décrits ainsi que leurs combinaisons si celles-ci sont effectuées suivant son esprit.This means that the invention includes all the technical equivalents of the means described as well as their combinations if these are carried out according to his spirit.

Claims (9)

1. Serrure de sûreté du type comprenant un corps cylindrique à l'intérieur duquel est monté axialement et rotativement mobile un barillet contenant au moins une pièce pivotante actionnable par une clé et autorisant la commande d'un mécanisme de serrure par rotation du barillet dans le corps cylindrique après déplacement axial de ce barillet vers ledit mécanisme, caractérisée en ce que ladite pièce pivotante engrène constamment avec un pignon (8) qui est monté fou sur un axe (11) transversalement solidaire du barillet (2) et qui possède une encoche (9) débouchant à la périphérie de ce pignon et susceptible d'entrer en liaison positive d'entraînement avec un élément (10) du mécanisme de serrure (4) après mise en correspondance de cette encoche avec ledit élément puis translation du pignon vers celui-ci.1. Safety lock of the type comprising a cylindrical body inside which is axially and rotatably movable a barrel containing at least one pivoting part operable by a key and authorizing the control of a lock mechanism by rotation of the barrel in the cylindrical body after axial displacement of this barrel towards said mechanism, characterized in that said pivoting part constantly meshes with a pinion (8) which is idly mounted on an axis (11) transversely integral with the barrel (2) and which has a notch ( 9) opening at the periphery of this pinion and capable of entering a positive drive connection with an element (10) of the lock mechanism (4) after matching this notch with said element then translating the pinion towards this one this. 2. Serrure selon la revendication 1, caractérisée en ce que la pièce pivotante précitée est formée par deux lames (5) respectivement montées pivotantes sur le barillet (2) symétriquement par rapport à son axe (X) et engrenant chacune avec un pignon (8) porté par l'axe précité (11), lesdites deux lames pouvant constituer chacune un groupe de lames engrenant chacune avec un pignon (8).2. Lock according to claim 1, characterized in that the aforementioned pivoting part is formed by two blades (5) respectively pivotally mounted on the barrel (2) symmetrically with respect to its axis (X) and each meshing with a pinion (8 ) carried by the aforementioned axis (11), said two blades each being able to constitute a group of blades each meshing with a pinion (8). 3. Serrure selon la revendication 1 ou 2, caractérisée en ce que l'axe (11) portant le ou les pignons précités est monté de manière amovible par ses deux extrémités dans le barillet (2) au moyen par exemple de deux bouchons (Ha) encastrés dans la paroi du barillet (2).3. Lock according to claim 1 or 2, characterized in that the axis (11) carrying the aforesaid pinion (s) is removably mounted by its two ends in the barrel (2) by means for example of two plugs (Ha ) embedded in the wall of the barrel (2). 4. Serrure selon l'une des revendications précédentes, caractérisée par deux platines mobiles (22) en vis-à-vis formant cache d'entrée de serrure, montées coulissantes à l'une des extrémités du barillet (2) et susceptibles de coopérer par leur bord externe (22a) avec une gorge (23) ménagée à l'intérieur du corps cylindrique (1), et par leur bord interne (22b) avec une rainure transversale (24) ménagée sur les deux faces (15) du panneton (16) de la clé (3).4. Lock according to one of the preceding claims, characterized by two movable plates (22) facing each other forming a lock entry cover, slidably mounted at one end of the barrel (2) and capable of cooperating by their external edge (22a) with a groove (23) formed inside the cylindrical body (1), and by their internal edge (22b) with a transverse groove (24) formed on the two faces (15) of the bit (16) of the key (3). 5. Serrure selon la revendication 4, caractérisée en ce que chaque rainure précitée (24) est située au voisinage du talon (33) du panneton de la clé et présente en section transversale une forme de U dont l'une (24a) des branches est orthogonale à l'axe longitudinale (X) de la clé, et dont l'autre branche (24b) forme un angle aigu avec cet axe.5. Lock according to claim 4, characterized in that each aforementioned groove (24) is located in the vicinity of the heel (33) of the key bit and has in cross section a U shape of which one (24a) of the branches is orthogonal to the longitudinal axis (X) of the key, and the other branch (24b) of which forms an acute angle with this axis. 6. Serrure selon l'une des revendications précédentes, caractérisée par un attelage de deux doigts (25, 26) sollicités chacun par un ressort (25a, 26a) et montés en opposition dans la paroi du barillet (2), l'un (25) de ces doigts faisant saillie à l'intérieur du barillet (2) pour bloquer le ou les pignons (8) lorsque l'autre doigt (26) coopère avec une rampe ou analogue (28) prévue sur la périphérie interne du corps cylindrique (1).6. Lock according to one of the preceding claims, characterized by a coupling of two fingers (25, 26) each urged by a spring (25a, 26a) and mounted in opposition in the wall of the barrel (2), one ( 25) of these fingers projecting inside the barrel (2) to block the pinion (s) (8) when the other finger (26) cooperates with a ramp or the like (28) provided on the internal periphery of the cylindrical body (1). 7. Serrure selon l'une des revendications précédentes, caractérisée en ce que la ou les lames précitées présentent chacune sensiblement la forme d'un L dont l'une des branches constitue un secteur denté (12) engrenant avec un pignon (8) et dont l'autre branche (13), articulée sur le barillet (2), comporte une partie (14) en saillie vers l'intérieur du L et coopérant avec le panneton (16) de la clé (3).7. Lock according to one of the preceding claims, characterized in that the aforementioned blade or blades each have substantially the shape of an L, one of the branches of which constitutes a toothed sector (12) meshing with a pinion (8) and of which the other branch (13), articulated on the barrel (2), comprises a part (14) projecting towards the inside of the L and cooperating with the bit (16) of the key (3). 8. Serrure selon l'une des revendications précédentes, caractérisée en ce que les deux lames ou groupes de lames précitées sont respectivement articulés de part et d'autre d'un logement axial (17) de guidage pour la clé (3), et sont constamment sollicités par des ressorts (18) en direction de l'axe (X) du barillet (2).8. Lock according to one of the preceding claims, characterized in that the two aforementioned blades or groups of blades are respectively articulated on either side of an axial housing (17) for guiding the key (3), and are constantly stressed by springs (18) in the direction the axis (X) of the barrel (2). 9. Serrure selon l'une des revendications précédentes, caractérisée en ce que le logement de guidage précité est délimité notamment par des moyens de portée (19) comportant des rainures et nervures (20) coopérant respectivement avec des nervures et rainures longitudinales prévues sur chaque face (15) du panneton (16) de la clé (3) actionnant sélectivement les lames pivotantes précitées (5).9. Lock according to one of the preceding claims, characterized in that the aforementioned guide housing is delimited in particular by bearing means (19) comprising grooves and ribs (20) cooperating respectively with ribs and longitudinal grooves provided on each face (15) of the bit (16) of the key (3) selectively actuating the aforementioned pivoting blades (5).
EP19840401820 1983-09-16 1984-09-13 Safety lock Expired EP0140740B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84401820T ATE27981T1 (en) 1983-09-16 1984-09-13 SAFETY LOCK.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8314790A FR2552147B1 (en) 1983-09-16 1983-09-16 KEY FOR LOCK WITH MOBILE INPUT COVER
FR8314790 1983-09-16
FR8314789A FR2552146B1 (en) 1983-09-16 1983-09-16 SAFETY LOCK
FR8314789 1983-09-16

Publications (2)

Publication Number Publication Date
EP0140740A1 true EP0140740A1 (en) 1985-05-08
EP0140740B1 EP0140740B1 (en) 1987-06-24

Family

ID=26223584

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840401820 Expired EP0140740B1 (en) 1983-09-16 1984-09-13 Safety lock

Country Status (5)

Country Link
US (1) US4601184A (en)
EP (1) EP0140740B1 (en)
DE (1) DE3464396D1 (en)
ES (1) ES8505759A1 (en)
PT (1) PT79197B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0428029A2 (en) * 1989-11-11 1991-05-22 YMOS AKTIENGESELLSCHAFT Industrieprodukte Lock
EP0552595A1 (en) * 1991-12-18 1993-07-28 MOTTURA SERRATURE DI SICUREZZA S.p.A. Safety lock for house doors and the like
FR2701988A1 (en) * 1993-02-22 1994-09-02 Merle Andre Safety device for door closures

Families Citing this family (10)

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Publication number Priority date Publication date Assignee Title
FR2589926B1 (en) * 1985-11-14 1993-12-31 Neiman Sa PISTON LOCK WITH SLIDING ROTOR, CLUTCHABLE WITH CONTROL UNIT
US5457973A (en) * 1991-04-18 1995-10-17 Strattec Security Corporation Axially activated system for a key lock
DE19939733C2 (en) * 1999-08-21 2001-10-11 Huf Huelsbeck & Fuerst Gmbh Device for starting a vehicle engine using an electronic key
DE10315023A1 (en) * 2003-04-02 2004-10-14 Volkswagen Ag Method of operating a means of transportation and corresponding device
DE102004019919B3 (en) * 2004-04-21 2006-02-02 Huf Hülsbeck & Fürst Gmbh & Co. Kg Device for starting a vehicle engine by means of an electronic key and a key to be used for this purpose
US7360382B2 (en) * 2005-02-08 2008-04-22 Huf North America Parts Mfg. Corp. Cylinder lock assembly
US7334441B1 (en) * 2007-01-16 2008-02-26 Lear Corporation Electronic vehicle key and housing assembly
PL2017795T3 (en) * 2007-07-18 2012-10-31 Iloq Oy Electromechanical lock
CN101196085B (en) * 2007-12-13 2012-02-01 朱长洛 Clip type anti-theft lock
WO2015181838A1 (en) * 2014-05-26 2015-12-03 Federico Dagnino Lock

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FR655128A (en) * 1925-05-16 1929-04-15 Safety block for lock
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FR855330A (en) * 1939-01-25 1940-05-08 Muel Et Ses Fils J Improvements to pump type locks
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DE1553448A1 (en) * 1965-09-08 1970-09-17 Willi Rojan Cylinder lock with adjustable key and adjustable lever arm tumblers
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US2032974A (en) * 1936-03-03 bradshaw
GB251106A (en) * 1925-05-04 1926-04-29 Stanislaw Skrzepinski Improvements in permutation locks
FR655128A (en) * 1925-05-16 1929-04-15 Safety block for lock
US2221664A (en) * 1936-11-27 1940-11-12 Susser Hans Safety lock
FR855330A (en) * 1939-01-25 1940-05-08 Muel Et Ses Fils J Improvements to pump type locks
FR912442A (en) * 1945-02-28 1946-08-08 Improvements to pumps for locks

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0428029A2 (en) * 1989-11-11 1991-05-22 YMOS AKTIENGESELLSCHAFT Industrieprodukte Lock
EP0428029A3 (en) * 1989-11-11 1992-03-04 Ymos Aktiengesellschaft Industrieprodukte Lock
EP0552595A1 (en) * 1991-12-18 1993-07-28 MOTTURA SERRATURE DI SICUREZZA S.p.A. Safety lock for house doors and the like
FR2701988A1 (en) * 1993-02-22 1994-09-02 Merle Andre Safety device for door closures

Also Published As

Publication number Publication date
ES535950A0 (en) 1985-06-01
PT79197B (en) 1986-07-17
US4601184A (en) 1986-07-22
PT79197A (en) 1984-10-01
EP0140740B1 (en) 1987-06-24
DE3464396D1 (en) 1987-07-30
ES8505759A1 (en) 1985-06-01

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