CN101835407A - Adjustable armrest and method for the use thereof - Google Patents

Adjustable armrest and method for the use thereof Download PDF

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Publication number
CN101835407A
CN101835407A CN200880112978A CN200880112978A CN101835407A CN 101835407 A CN101835407 A CN 101835407A CN 200880112978 A CN200880112978 A CN 200880112978A CN 200880112978 A CN200880112978 A CN 200880112978A CN 101835407 A CN101835407 A CN 101835407A
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CN
China
Prior art keywords
handrail
bar
door bolt
ratchet
horizontal axis
Prior art date
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Pending
Application number
CN200880112978A
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Chinese (zh)
Inventor
J·A·韦伯
J·V·P·霍尔特
J·阿尔德里奇
T·A·霍兰
R·W·罗斯
R·M·西利
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MillerKnoll Inc
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Herman Miller Inc
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Application filed by Herman Miller Inc filed Critical Herman Miller Inc
Publication of CN101835407A publication Critical patent/CN101835407A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/022Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/03Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Seats For Vehicles (AREA)
  • Rehabilitation Tools (AREA)

Abstract

An adjustable armrest includes a base member pivotable about a first horizontal axis in a side-to-side direction. An arm support member is connected to the base member. A first latch member includes a plurality of notches, while a second latch member includes a pawl shaped to releasably engage at least one of the plurality of notches. One of the first or second latch members is mounted on the base member, with the second latch member being moveable relative to the first latch member between at least one engaged position and a release position. In another aspect, a chair includes a pair of adjustable armrests. In another aspect, a method of adjusting the lateral position of an armrest is provided.

Description

Adjustable armrest and using method thereof
The application requires the rights and interests at the U.S. Provisional Application No.60/965978 of submission on August 23rd, 2007, and its full content is incorporated by reference this paper.
Technical field
The present invention relates in general to handrail, more specifically, relates to adjustable armrest, comprises the using method of the chair and the handrail of this type of handrail.
Background technology
The chair that is generally used for the type in places such as office generally all is configured with handrail.In many cases, handrail is arranged to vertically adjustable.In some cases, the top of handrail is that side direction is adjustable, make cushion arm can about move to adapt to user on (side-to-side) direction with different health width.Yet the bar that common handrail comprises is not movable sideways, makes the lateral adjustment on top that space greater or lesser between the bar can not be provided, for example to adapt to the thicker fat people of shank.On the contrary, at interval excessive bar can occupy too much space, for example when chair when conference table is put.Therefore, though the lateral adjustment on the top of handrail can provide multiple restructural position to adapt to multiple user, the broad cross section that the stationary positioned of bar and/or structure can not adapt to the user ideally and/or use thing.
In addition, no matter the actuating of handrail is vertically to regulate or lateral adjustment, all needs the independent actuation of trigger or relieving mechanism usually, to allow moving hand-rail.Yet this type of trigger perhaps, for example for flexibility and some limited people of strength, may be difficult to activate for may not easily find its position concerning the unfamiliar user of special chair.
Summary of the invention
The present invention is defined by the claims, and the content of this part can not be thought the qualification to claim.But, by general introduction and concise and to the point statement, a plurality of embodiments relevant with the using method of adjustable armrest, the chair that comprises this type of handrail and/or handrail have been described.
Such as but not limited to, on the one hand, an embodiment of adjustable armrest comprises: substructure member, and its first horizontal axis that can be orientated on the fore-and-aft direction pivots, and wherein substructure member can pivot on left and right directions around axis.The arm support part is connected on the substructure member and is included in the upwardly extending arm supports in front and back.The first door bolt member comprises a plurality of notches, and the second door bolt member comprises ratchet, and this ratchet is configured as releasedly with in a plurality of notches at least one and engages.One in the first door bolt member or the second door bolt member is installed on the substructure member, and wherein the second door bolt member can move between at least one bonding station and off-position with respect to the first door bolt member.At bonding station, ratchet engages with at least one of a plurality of notches, pivots around described first horizontal axis to stop substructure member.In the off-position, ratchet and a plurality of notch break away from, and make substructure member to pivot around first horizontal axis.
On the other hand, chair comprises a pair of adjustable armrest and seat surface, and this seat surface has the front and back that vertically separates and laterally spaced opposite flank.This is located along the opposite flank of seat surface handrail, and can pivot by the horizontal axis around longitudinal extension on left and right directions.
On the other hand, the method for regulating armrest positions comprises: upwards draw the top of handrail, make handrail around horizontal axis on left and right directions towards or be pivoted to the lateral position that needs laterally away from seat surface, and discharge the top of handrail.In one embodiment, this method also comprises the adjusting height of armrests.
On the other hand, the method for regulating armrest positions is included in without any under the situation that is applied to the load on the handrail downwards, make handrail around horizontal axis on left and right directions towards or be pivoted to the position that needs laterally away from seat surface.This method comprises that also thereby pushing away handrail downwards also locks handrail, pivots around horizontal axis to stop handrail.The locking handrail carries out automatically by pushing away handrail downwards, need not any independent actuation of any locking mechanism.
Various aspects and embodiment provide the remarkable advantage with respect to other handrail, chair and handrail using method.For example, but be not limited to, the lateral position that can easily regulate whole handrail provides the chair that has variable-width footprint (footprint) simultaneously to adapt to the different users.In addition, need not independent, the independent actuation of trigger mechanism, and can easily regulate the lateral position of handrail, rigid support is provided when load simultaneously.
Of course it is to be understood that multiple aspect disclosed herein can be individually or use in combination, different binding energy provides extra advantage.Also will understand the present invention best in conjunction with the accompanying drawings by the following detailed description of reference, and further purpose and advantage.
Description of drawings
Fig. 1 is the front view of an embodiment of armrest assembly.
Fig. 2 is the side view of armrest assembly shown in Figure 1.
Fig. 3 is the cutaway view of handrail 3-3 along the line shown in Figure 2.
Fig. 4 is the cutaway view of handrail 4-4 along the line shown in Figure 2.
Fig. 5 is the exploded perspective view of handrail shown in Figure 1.
Fig. 6 is the rearview of tooth bar.
Fig. 7 is the front view of another embodiment of handrail.
Fig. 8 is the stereogram of sleeve component.
Fig. 9 is the front view of the second door bolt member.
Figure 10 is the front view of tooth bar.
Figure 11 is the front view of another embodiment of handrail.
Figure 12 is the cutaway view of the 12-12 along the line of handrail shown in Figure 11.
Figure 13 is the cutaway view of the 13-13 along the line of handrail shown in Figure 11.
Figure 14 is the exploded perspective view of another embodiment of handrail.
Figure 15 is the partial front elevation view of handrail shown in Figure 14.
Figure 16 is the partial front elevation view of another embodiment of handrail.
Figure 17 is the partial side view of handrail shown in Figure 16.
Figure 18 is the stereogram of handrail shown in Figure 16.
Figure 19 is the stereogram of the armed chair of structure.
Figure 20 is the stereogram of latch plate.
Figure 21 is the cutaway view of arm pad.
Figure 22 is the front view of handrail.
Figure 23 is the private side view of handrail shown in Figure 22.
Figure 24 is the cutaway view of handrail shown in Figure 23 24-24 along the line.
Figure 25 is the cutaway view of handrail shown in Figure 23 25-25 along the line.
Figure 26 is the cutaway view of handrail shown in Figure 23 26-26 along the line.
The specific embodiment
Generally:
Term used herein " vertically " and " side direction " are used to refer to vertical direction 50 of chair and the direction from a side to opposite side 52 respectively.Similarly, term used herein " preceding ", " side ", " back ", " forward ", " backward ", " making progress ", " downwards " are used to refer to the various directions and the part of chair when being generally understood as the view of the user on being sitting in chair.Should be appreciated that term " installation ", " connection ", " connection ", " by ... support " and their distortion refers to directly or indirectly (for example by another parts or member) in conjunction with the two or more members or the parts of, joint or adjacency; And two or more further members or intermediate member can be by integrally formed or by various fasteners (for example including but not limited to machanical fastener, binding agent, welding, interference fit, the sheet element of turning back (bent-over tab members) etc.) combination.Term " a plurality of " expression is two or more.
As shown in figure 19, chair 2 comprises seat surface 4, and this seat surface 4 has front 6 and back 8 and relative side 10.Chair comprises the supporting construction 12 that supports seat surface.The supporting construction 12 that illustrates comprises the base 14 with five arms, and each arm all ends at castor.Central authorities' support column 16 is connected with control shell 18, and the control shell can rotate around vertical axis with respect to base.The rear portion 20 that comprises supporting member is from controlling the shell extension and being pivotally connected on the control shell.Rear portion 20 and seat surface 4 constitute with respect to the inclination shell.
Should be appreciated that chair can comprise the supporting construction of other type in other embodiment (not shown), these supporting constructions comprise three or more Convenient tables, coaster base (sledbase) and other known structure.In addition, should be appreciated that chair can be configured to, seat surface tilts with different ratios together with backrest, and perhaps seat surface is fixed with backrest and tilted together with identical ratio.In other embodiments, seat surface can be maintained fixed, and wherein backrest oneself tilts, and perhaps seat surface and backrest both fix.Should be appreciated that handrail can be connected in the chair of these types or other seat structure (including but not limited to the body support structure with seat surface of seat, go-cart, bicycle, wheelchair, seat, stadium or any other type on vehicle and the aircraft) supporting construction arbitrarily.
Armrest assembly
With reference to accompanying drawing, Fig. 1-6, Fig. 8 and Figure 22-26 shows the handrail 22 with upper arm support member 24 and underarm support member 26.The underarm support member comprises tubular structure 28.A pair of cooperation sleeve pipe (interior and outer) 30,32 is installed in the inside of pipe, and defines inner chamber 34 therein.A sleeve pipe 32 comprises annular flange 36, and this flange has formed the cap on underarm support member 26 and defined the upper shed that enters chamber 34.In another embodiment, two sleeve pipes all comprise the annular flange of a part, and wherein thimble joint forms whole flange.Inner sleeve 30 constitutes a pair of flange 38, and the inner surface of this a pair of flange and underarm support member is combined to form track.Flange is disposed on the outside of a pair of corresponding flange on the inside that is positioned at the underarm support member, thereby the anti-rotation connection between inner sleeve and the underarm support member is provided.Inner sleeve 30 also comprises elongated open 40, and this elongated open is formed between the flange to be provided to the path of track.Tooth bar 42 is held in place in the track between the flange of underarm support member slidably.Spring 44 is placed between the lower surface of annular flange 36 of the top of tooth bar 42 and sleeve pipe.Spring 44 biased downward tooth bars 42.Selectively, as shown in figure 26, spring 176 bias voltages door bolt member 66, and by joint, biased downward tooth bar 44.Tooth bar has limited stroke in orbit, drops to the minimum point of tooth bar when the top surface of tooth bar 42 in being formed on tubular structure 28.Tooth bar 42 comprises a plurality of notches 46 that formed by tooth, and these teeth directional other places are towards the chamber 34, and wherein notch exposes by the elongated open 40 that are formed in the sleeve pipe 30.Opening 48 is formed in the middle of the top and bottom of tooth bar, and inside 34 openings towards the chamber.
Underarm support member 26 perhaps is called substructure member, is configured with the flange 54 that extends internally.Door bolt member 56 is installed on the flange 54, and a pair of pad 58 is fixed on the door bolt member.Door bolt member 56 comprises tooth bar 60, and it is configured to a plurality of notches 74 of being limited by the tooth that forms along its top.To fasten member 56 with a bolt or latch with pad 58 and be fixedly secured on the supporting construction 12 with non-rotatable relation, substructure member (comprising flange 54) is pivotally mounted on door bolt member 56 and the supporting construction around main pivot axis 62.Pivot axis 62 (front and back) direction 50 essentially horizontally along the longitudinal extends.By this way, underarm support member or substructure member 26 can pivot at left and right directions around main pivot axis 62 with the upper arm support member 24 that is connected, to adapt to the user of different in width.Flange 54 has the different groove of length 64, and the distance dependent of this length and pivot axis 62 makes underarm support member 26 to pivot with respect to door bolt member 56.A pair of lid 117 also constitutes groove 64, and lid 117 is independent of the underarm support member or becomes one with the underarm support member.
The second door bolt member 66 is pivotally mounted on the substructure member 26 around second pivot axis 72, and is installed in specifically on the flange 54, and second pivot axis 72 also extends on front and back or longitudinal direction 50.Pivot axis 72 preferably upcountry and/or up separates with main pivot axis 62.The second door bolt member 66 comprises the ratchet 68 of downward extension, and this ratchet 68 is configured as at least one notch 74 of the tooth bar 60 of engage latch member 56.Any projection, projection, keeper (detent) or other member that term used herein " ratchet " expression can cooperate and/or engage with corresponding opening or projection/projection (for example notch, tooth etc.).The far-end 70 of door bolt member 66 is inserted in the opening 48 that is formed on tooth bar 42, and is subjected to tooth bar 42 constraints.Should be appreciated that in alternate embodiment the position of ratchet and tooth bar can reversing on two door bolt members 56,66.In another embodiment, have ratchet or tooth bar pivoted door bolt members pivot be connected on the supporting construction, and fix and have the tooth bar of cooperation or the door bolt member of ratchet is connected on substructure member or the underarm support member movably with respect to supporting construction, make the door bolt member when substructure member pivots, keep fixing pivotally.
In alternate embodiment, shown in Figure 7, the end 170 of door bolt member 166 is rotatably connected on the tooth bar 142 that constitutes notch 146.Spring 176 be connected to tooth bar 142 and door bolt member 166 one or both of on, and on downward direction bias voltage door bolt member 166 and tooth bar, make a plurality of ratchets 168 engage the notch 74 of tooth bars 60.
With reference to figure 1-4 and Figure 22-26, upper arm support member 24 comprises bar 76, and bar 76 is received slidably, and can vertically move with respect to underarm support member 24.Upper arm support member and underarm support member all are crooked with respect to longitudinal axis, have towards the user indent curvature (curved surface 78) and towards outer convex curvature (curved surface 80) away from the user.By this way, crooked handrail comprises for example user's thigh for the user provides bigger gap.
Upper arm support member 24 comprises elongated arm supports 80, and arm supports 80 is extended forward from bar, and the less amount that also extends back.As Figure 19 and shown in Figure 21, pad 82 is installed on the top 80 of arm supports, pad 82 by foam, gel (gel), fabric or other one or more in the compressible or incompressible material make.As depicted in figs. 1 and 2, opening 84 is formed in the front portion of bar.Trigger 86 extends to the outside that is positioned at opening at least in part being exposed to the user, and trigger 86 movably (for example rotatably) be fixed on the bar.Upper surface 88 at the trigger of bar inside engages with the bottom of the free end 94 of latch plate 90.The opposite end 92 that latch plate 90 has is fixedly attached on the bar.
Actuator means 98 comprises head 100, and this head 100 is connected to the latch plate 90 in the middle of free end 94 and the stiff end 92.Neck 102 insertion grooves 96 of head are to connect actuator and latch plate.Actuator comprises elongated axle 104.Laterally extend at the following from the head axle place of annular flange 106, and join the madial wall or the bar in the chamber 134 of upper arm support member slidably to, to stablize actuator.The lower end 112 of actuator comprises conical cavity 108, wherein is formed with the opening of trough of belt.The ratchet 110 that is configured to bullet shape (bullet shape) for example is fixed in track on the lower end 112 of actuator slidably, and the opening in the bar 76 113.Ratchet 110 can slide along the conical surface 114 in chamber, makes in axle response in the actuating of trigger 86 and when mobile downward or upward respectively, and ratchet laterally stretches out with respect to actuator shaft and tooth bar 42 or withdraws.In alternate embodiment, ratchet 110 is not attached to actuator, but be inserted in the bar 76 by opening 113 simply, and simply this ratchet of mobile bias voltage of the tapered opening by the ratchet back and tooth bar separating with tooth bar or to engage, thereby allow it to separate with tooth bar.Ratchet 110 releasedly be formed on tooth bar in a notch 46 engage with upper arm support member 24 with respect to underarm support member 26 vertical (highly) fixed-site with needs.Substitute latch plate, perhaps except latch plate, also spring 115 can be attached to the bottom of actuator, as shown in figure 26, pulling down actuator, thereby and ratchet 110 is engaged with at least one tooth bar notch 46.
Should be appreciated that when upper support member detent 110 engages with tooth bar 42, upper support member 24 by tooth bar 42 " connection " to the door bolt member 166 on.Certainly, when upper support member detent 110 broke away from tooth bar 42, for example when regulating height of armrests, the upper support member did not connect with door bolt member 66, made ratchet 68 maintenances engage with at least one notch 74 on fastening member 56 with a bolt or latch.By this way, door bolt member 66,56 is broken away from by upwards draw handrail height that handrail realizes to regulate according to trigger 86, thus also allow handrail about direction move.Simultaneously, even should be appreciated that when upper support member detent 110 engages with tooth bar 42, upper support member 24 also can move very little amount with respect to lower support member 26 by in the vertical direction, to allow tooth bar 42 to move and ratchet 68 and door bolt member 56 are broken away from.
With reference to the embodiment of Figure 11-15, each of a pair of door bolt member 256 all has the tooth bar of trough of belt mouth 274, and notch 274 forms along the top of door bolt member.A pair of outer cover 280 is fixed on the door bolt member.Substructure member 226 comprises a pair of sleeve component 230,232, and this is sandwiched between the door bolt member 256 sleeve component.Sleeve component comprises upwardly extending bar portion, and this bar cage structure has tooth bar 242.Upper arm support member 282 is fixed to sleeve component movably, and specifically is fixed to bar portion, and the upper arm support member comprises the ratchet (not shown), and this ratchet engages with tooth bar 242 releasedly.Substructure member 226, or underarm support member also comprise the bar 276 that is connected with flange 254, and bar 276 and flange 254 all are clipped in the middle of the sleeve component.Sleeve component 230,232 and upper arm support member 282 are connected to bar 276 and flange 254 slidably.Especially, flange 254 comprises a pair of vertical elongated slot 286.Sleeve component comprises a pair of guiding piece that extends 288 between them, this guiding piece slides in groove, thereby allows sleeve component vertically to move with respect to bar.Spring 290 engages with the bottom butt of bar, and biased downward sleeve component 230,232.Door bolt member 292 forms the pin that limits ratchet, and the basal surface of the arm portion that extends internally 296 by sleeve component 230,232 engages.Vertical elongated slot 298 is formed on the flange component 254 of bar, and receives door bolt member 292.Door bolt member 292 engages a notch 274 of tooth bar releasedly.Flange 254 comprises elongated groove 250, and this groove is crooked with respect to main pivot axis 62.Sell 252 coupler latch members 256.The handrail that comprises substructure member 226 and upper arm support member 282 pivots around main pivot axis 62 when groove 250 moves at pin 252.
At Figure 14 and embodiment shown in Figure 15 on the other hand, second tooth bar 218 along with bar flange connecting 254 on the top edge structure of the opening that forms.Elasticity align member 220 with a plurality of ratchets is connected on the substructure member plate.Align member 220 is as calibration member (indexing member), and it remains on underarm support member 226 needs position (being depicted as five) with respect to door bolt member 256.Should be appreciated that to provide a plurality of (meaning is more than one) position, comprises five that illustrate.
In another embodiment shown in Figure 16-18, handrail comprises underarm support member 376, or substructure member, and its horizontal pivot axis line 378 that extends (front and back) along the longitudinal is connected on supporting construction and the door bolt member 380 pivotly.This all has the tooth bar that has a plurality of notches 382 to each of door bolt member 380, and notch forms along the top edge of door bolt member.Upper arm support member 384 in the vertical directions can slide with respect to underarm support member 376.Door bolt member 386 (it constitutes pin or ratchet) is coupled or be fixed to upper arm support member 384, and wherein the axle of pin moves along the groove 388 that passes 376 formation of underarm support member, makes the door bolt member be installed in movably on the underarm support member 376.Can comprise the spring (not shown) with biased downward upper arm support member and the door bolt member 386 that is connected, it is engaged with door bolt member 380.
Upper arm support member and underarm support member, perhaps their various parts, as tubular structure, flange and tooth bar, preferably be made of plastics, for example the GF BASF Capron 8223GHS of nylon 33% still is to be understood that, they also can be made by other material, as metal, wherein flange is welded on the tubular structure and (sees Figure 14), and perhaps they can comprise parts and the metal parts that plastics are made.Equally, the sleeve component of a part that constitutes the underarm support member is also preferably by the plastics manufacturing, and as the ticona celcon LW90 of copolymerized methanal, perhaps other material that is fit to is as metal.The door bolt member preferably is made of metal, and as steel or aluminium, but they also can be made by plastics, compound or other material that is fit to.
The width adjusting operation
In operation, and with reference to the embodiment of Fig. 1-5, the user promotes the top of upper arm support member 26, for example by grasp handrail support member 80.So the biasing force that the upwards lifting of bar 76 is being resisted spring 44 by the joint between ratchet 110 and the tooth bar 42 makes tooth bar 42 rise in the track of underarm support member 24.When tooth bar 42 was moved up by ratchet 110, the end that is connected with tooth bar 42 of door bolt member 66 also was moving upward, thereby ratchet 68 breaks away from the notch 74 of fastening the tooth bar 60 that forms on the member 56 with a bolt or latch.After this user on left and right directions towards with the handrail that pivots laterally away from seat surface to the lateral position that needs.The user discharges handrail 22 simply then, and its medi-spring 44 and gravity move down tooth bar 42 in track, thereby and moves down door bolt member 66 and engage with the notch 74 of tooth bar by ratchet 68.By this way, make to the adjusting of the lateral position of handrail can be simply by upwards drawing handrail 22 to realize, and without any need for any actuating of other relieving mechanism.
Handrail embodiment with reference to Figure 16-18, the user upwards pulls on arm support member 384 once more simply, so that door bolt member 386 breaks away from door bolt member 380, on left and right directions towards with away from seat surface laterally moving hand-rail to the lateral position that needs, discharge then the upper arm support member with different laterally disposed in engage latch member again.
Alternatively, in various embodiments, the user can push away handrail simply to the side, overcoming spring force and to make door bolt member 66,380 hit (bump) to the another location, short ofly applies downward power.
In certain embodiments, in Fig. 7, the lateral attitude of handrail can be simply by on left and right directions towards or push away laterally or the handrail 22 that pivots is regulated away from seat surface, and do not need to apply any downward load to handrail.And, can carry out this lateral adjustment by pushing away handrail simply, and need not any actuating of any other relieving mechanism.
The handrail embodiment of Figure 11-15 regulates in the same way.Especially, the user upwards draws handrail 22, perhaps pushes away handrail to the side simply, makes door bolt member 292 engage again with another notch with 274 disengagings of a notch and in the position of needs.Calibration member 220 helps to provide the resistance of some lateral adjustment.
In any embodiment, when the user pushes away handrail 22 downwards, for example when egress of chair maybe when being placed on arm on the handrail in the work, door bolt member 56,66,166,256,292,380,386 engages securely and stops any rotation of handrail on lateral.In addition, when not applying load on handrail, one or more spring bias voltage door bolt members engage it, make the lateral position of handrail can unexpectedly not change.
Highly regulate operation
In operation, and with reference to the embodiment of Fig. 1-5, by pushing away or drawing trigger 86 (it upwards pushes away latch plate 90 then) to regulate height of armrests.Latch plate 90 upwards draws actuator 104 then, thereby and door bolt member 110 or ratchet is withdrawn in the chamber 108 along the conical surface 114 in the chamber 108 of actuator.When ratchet 110 during from tooth bar 42 withdrawal, upper arm support member 24 can be moved to the position that needs, and it is after trigger 86 is released.Certainly, in case ratchet 110 shift out notch 46 and handrail be raised or reduce but ratchet with can discharge trigger 86 before another notch aligns, in case make that ratchet aligns with notch, ratchet 110 is just extremely engaged with notch 46 by autobias.In arbitrary situation, in case trigger is released, ratchet 110 and tooth bar 42 engage, and make the upper arm support member connect with door bolt member 66 once more.When ratchet 116 when the conical surface 114 of actuator slides, latch plate 90 is made it engage with a notch 46 of tooth bar 42 by biased downward thereby move down actuator 104 and move inward ratchet 110.
In addition, as mentioned above, when ratchet 110 broke away from tooth bar 42, for example, when regulating height of armrests, upper support member 24 did not connect with door bolt member 66, make ratchet 68 keep with fasten member 56 with a bolt or latch on tooth bar 74 engage.By this way, thus allow handrails also to move up by upwards drawing handrail height that handrail carries out to regulate according to trigger door bolt member 66,56 is broken away from right and left.
Though the present invention has been described with reference to preferred embodiment, it should be recognized by those skilled in the art that and to carry out multiple change to form of the present invention and details, and do not break away from the spirit and scope of the present invention.Therefore, purpose is to think that preceding detailed description is only non-limiting for explanation, and claims, comprises that its all equivalents define scope of the present invention.

Claims (32)

1. adjustable armrest comprises:
Substructure member, its first horizontal axis that can be orientated on the fore-and-aft direction pivots, and wherein said substructure member can pivot on left and right directions around described axis;
The arm support part, it is connected on the described substructure member and comprises elongated arm supports, and described arm supports extends upward in front and back;
The first door bolt member, it comprises a plurality of notches; And
The second door bolt member, it comprises ratchet, described ratchet is configured as at least one that engages releasedly in described a plurality of notch, one of the wherein said first door bolt member or the second door bolt member is installed on the described substructure member, the wherein said second door bolt member is removable between at least one bonding station and off-position with respect to the described first door bolt member, wherein at described bonding station, described ratchet engages with at least one of described a plurality of notches, pivots around described first horizontal axis to stop described substructure member; In described off-position, described ratchet and described a plurality of notch break away from, and make described substructure member can pivot around described first horizontal axis.
2. handrail as claimed in claim 1, wherein said arm support part comprises bar, and described bar is connected on the described substructure member movably, and wherein said bar and described substructure member relative to each other can vertically move.
3. handrail as claimed in claim 2, wherein said arm supports is connected to the top of described bar.
4. handrail as claimed in claim 2, wherein said bar are connected on the described second door bolt member, and the wherein said second door bolt member is movable to described off-position in response to described mobile the moving upward of described bar.
5. handrail as claimed in claim 4, one of wherein said bar or described substructure member comprises a plurality of second notches, and another of described bar or described substructure member comprises second ratchet, and wherein said second ratchet is removable between at least one bonding station and off-position with respect to described a plurality of second notches; Wherein at described bonding station, described second ratchet engages with in described a plurality of second notches at least one, and described bar is connected on the described second door bolt member; In described off-position, described second ratchet and described a plurality of second notch break away from, and described bar connects with the described second door bolt member disengaging.
6. handrail as claimed in claim 5, wherein said bar also comprises the trigger that is connected on the actuator means, wherein said actuator means comprises that described second ratchet and wherein said a plurality of second notch are arranged on the described substructure member.
7. handrail as claimed in claim 5, also comprise tooth bar, described tooth bar constitutes described a plurality of second notch, wherein said tooth bar be installed on the described substructure member movably and wherein said second ratchet removable and can engage with respect to described tooth bar with described tooth bar.
8. handrail as claimed in claim 7 also comprises spring, the described tooth bar of described spring bias voltage on downward direction.
9. handrail as claimed in claim 7, wherein said tooth bar and the described second door bolt member engages, wherein when described tooth bar at least between the primary importance and the second place when removable, described second to fasten member with a bolt or latch removable between described bonding station and off-position.
10. handrail as claimed in claim 2, at least a portion of wherein said bar has curved shape, and wherein said bar has curved profile and evagination profile.
11. handrail as claimed in claim 1, in the member described one of wherein said substructure member or described first door bolt comprises the calibration member, described calibration member be formed on that described substructure member or described first fastens a plurality of second notches in the member another with a bolt or latch at least one engage.
12. handrail as claimed in claim 1, the wherein said second door bolt member rotatably is installed on the described substructure member around second horizontal axis, and described second horizontal axis and described first horizontal axis separate.
13. a chair comprises:
Seat surface, it has the front and back that vertically separates, and laterally spaced opposite flank; And
Pair of armrests, place its described opposite flank along described seat surface, and each described handrail comprises:
Substructure member, its horizontal axis around longitudinal extension can pivot;
The arm support part, it is connected on the described substructure member, wherein said arm support part and described substructure member around described horizontal axis towards pivoting with a described side away from described seat surface;
The first door bolt member, it comprises a plurality of notches; And
The second door bolt member, it comprises ratchet, described ratchet is configured as at least one that engages releasedly in described a plurality of notch, one of the wherein said first door bolt member or the second door bolt member is installed on the described substructure member, and the wherein said second door bolt member is removable between at least one bonding station and off-position with respect to the described first door bolt member; Wherein at described bonding station, described ratchet engages with at least one of described a plurality of notches, pivots around described first horizontal axis to stop described substructure member; In described off-position, described ratchet and described a plurality of notch break away from, and make described substructure member can pivot around described first horizontal axis.
14. chair as claimed in claim 13, wherein said arm support part comprises bar, and described bar is connected on the described substructure member movably, and wherein said bar and described substructure member relative to each other can vertically move.
15. chair as claimed in claim 14, wherein said arm support part comprises arm supports, and described arm supports is connected to the top of described bar
16. chair as claimed in claim 15, wherein said bar are connected on the described second door bolt member, the wherein said second door bolt member is movable to described off-position in response to described mobile the moving upward of described bar.
17. chair as claimed in claim 16, one of wherein said bar or described substructure member comprises a plurality of second notches, and another of described bar or described substructure member comprises second ratchet, and wherein said second ratchet is removable between at least one bonding station and off-position with respect to described a plurality of second notches; Wherein at described bonding station, described second ratchet engages with in described a plurality of second notches at least one, and described bar is connected on the described second door bolt member; In described off-position, described second ratchet and described a plurality of second notch break away from, and described bar connects with the described second door bolt member disengaging.
18. chair as claimed in claim 17, wherein said bar also comprises the trigger that is connected on the actuator means, and wherein said actuator means comprises that described second ratchet and wherein said a plurality of second notch are arranged on the described substructure member.
19. chair as claimed in claim 17, also comprise tooth bar, described tooth bar constitutes described a plurality of second notch, wherein said tooth bar be installed on the described substructure member movably and wherein said second ratchet removable and can engage with respect to described tooth bar with described tooth bar.
20. chair as claimed in claim 19 also comprises spring, the described tooth bar of described spring bias voltage on downward direction.
21. chair as claimed in claim 19, wherein said tooth bar and the described second door bolt member engages, wherein when described tooth bar at least between the primary importance and the second place when removable, the described second door bolt member is removable between described bonding station and off-position.
22. chair as claimed in claim 14, at least a portion of wherein said bar has curved shape, and wherein said bar has curved profile and evagination profile.
23. chair as claimed in claim 13, in the member described one of wherein said substructure member or described first door bolt comprises the calibration member, described calibration member be formed on that described substructure member or described first fastens a plurality of second notches in the member another with a bolt or latch at least one engage.
24. chair as claimed in claim 13, the wherein said second door bolt member rotatably is installed on the described substructure member around second horizontal axis, and described second horizontal axis and described first horizontal axis separate.
25. a method of regulating armrest positions comprises:
Upwards draw the top of described handrail;
Make described handrail around horizontal axis on left and right directions towards or away from the side-pivoting of seat surface to the lateral position that needs; And
Discharge the described top of described handrail.
26. method as claimed in claim 25 is wherein carried out any actuating that described described top of upwards drawing described handrail need not any relieving mechanism.
27. method as claimed in claim 25 also comprises the described top that pushes away described handrail downwards, thereby and lock described handrail, pivot around described horizontal axis to stop described handrail.
28. method as claimed in claim 27, the described handrail of wherein said locking pushes away described top downwards and carries out automatically by described, need not any independent actuation of any locking mechanism.
29. method as claimed in claim 25, also be included in and vertically move described handrail between a plurality of height and positions, and described armrest lock is fixed on the position of needs in described a plurality of height and position, wherein when described armrest lock is fixed on described a plurality of height and positions any one on the time carry out described described top of upwards drawing described handrail, wherein when described armrest lock is fixed on described a plurality of height and positions any on the time described handrail be that side direction is adjustable.
30. method as claimed in claim 29, wherein saidly between described a plurality of height and positions, vertically move described handrail and also comprise: actuating trigger, between described a plurality of height and positions, move the described top of described handrail, also described handrail is maintained on the position of the described needs in the described height and position thereby discharge described trigger.
31. a method of regulating armrest positions comprises:
Under situation about being applied to downwards without any load on the described handrail, make described handrail around horizontal axis on left and right directions towards or away from the side-pivoting of seat surface to the position that needs; And
Thereby push away described handrail and lock described handrail downwards, pivot around described horizontal axis to stop described handrail, the described handrail of wherein said locking pushes away described handrail downwards and carries out automatically by described, need not any independent actuation of any locking mechanism.
32. a chair comprises:
Seat surface, it has the front and back that vertically separates, and laterally spaced opposite flank; And
Pair of armrests, place its described opposite flank along described seat surface, and each described handrail comprises:
Lower support element, its horizontal axis around longitudinal extension can pivot; And
Upper supporting piece, it is connected on the described lower support element, wherein said upper supporting piece and described lower support element around described horizontal axis towards pivoting with a described respective side away from described seat surface, and wherein said upper supporting piece is connected to described lower support element movably on vertical substantially direction, makes the height of this upper supporting piece can regulate with respect to described lower support element.
CN200880112978A 2007-08-23 2008-08-20 Adjustable armrest and method for the use thereof Pending CN101835407A (en)

Applications Claiming Priority (3)

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US96597807P 2007-08-23 2007-08-23
US60/965978 2007-08-23
PCT/US2008/073700 WO2009026355A1 (en) 2007-08-23 2008-08-20 Adjustable armrest and method for the use thereof

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CN101835407A true CN101835407A (en) 2010-09-15

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EP (1) EP2197319A4 (en)
JP (1) JP2010536494A (en)
CN (1) CN101835407A (en)
AU (1) AU2008288936A1 (en)
CA (1) CA2697273A1 (en)
MX (1) MX2010002108A (en)
WO (1) WO2009026355A1 (en)

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CN106606137A (en) * 2015-10-27 2017-05-03 锐阳科技股份有限公司 Armrest adjustment device attachable to seat
CN108851706A (en) * 2017-05-15 2018-11-23 博克1有限责任两合公司 It is used in particular for the handrail of office chair
CN108851706B (en) * 2017-05-15 2022-04-29 博克1有限责任两合公司 Armrest, in particular for an office chair
CN108100262A (en) * 2018-01-28 2018-06-01 滨州学院 A kind of aviation injection armrest system being applied to
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CN108937288A (en) * 2018-06-14 2018-12-07 杭州睿图思创工业产品设计有限公司 A kind of hand propelled height adjustment device for handrail

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Publication number Publication date
EP2197319A1 (en) 2010-06-23
CA2697273A1 (en) 2009-02-26
WO2009026355A1 (en) 2009-02-26
JP2010536494A (en) 2010-12-02
EP2197319A4 (en) 2011-06-29
MX2010002108A (en) 2010-03-26
US20090108660A1 (en) 2009-04-30
AU2008288936A1 (en) 2009-02-26

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Application publication date: 20100915