CN103767381A - An adjustable armrest assembly - Google Patents

An adjustable armrest assembly Download PDF

Info

Publication number
CN103767381A
CN103767381A CN201310487601.5A CN201310487601A CN103767381A CN 103767381 A CN103767381 A CN 103767381A CN 201310487601 A CN201310487601 A CN 201310487601A CN 103767381 A CN103767381 A CN 103767381A
Authority
CN
China
Prior art keywords
handrail
armrest assembly
supporting
supporting arrangement
main body
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
CN201310487601.5A
Other languages
Chinese (zh)
Other versions
CN103767381B (en
Inventor
马里厄斯·索利
西格蒙德·奥弗雷
詹恩·弗罗斯特·乌斯塔
桑德雷·弗罗斯特·乌斯塔
辛勒·维德贝里
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.)
Scandinavian Business Seating AS
Original Assignee
Scandinavian Business Seating AS
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
Application filed by Scandinavian Business Seating AS filed Critical Scandinavian Business Seating AS
Publication of CN103767381A publication Critical patent/CN103767381A/en
Application granted granted Critical
Publication of CN103767381B publication Critical patent/CN103767381B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/54—Supports for the arms
    • A47C7/541—Supports for the arms of adjustable type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/03—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/03—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests
    • A47C1/0307—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable rectilinearly in horizontal direction

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Chairs Characterized By Structure (AREA)
  • Rehabilitation Tools (AREA)
  • Seats For Vehicles (AREA)

Abstract

The invention discloses an armrest assembly for a chair (2) having armrests (10a,b) arranged on laterally opposite sides of a seat (4). A collective actuation and support member (14) is configured for connection to each arm rest and is movably supported by bearing means (19) that are connected to the chair. The bearing means are arranged such that the armrests are movable by translational motion between a forward position (F) and a rear position (R). The collective actuation and support member (14) is arranged transversely below the seat and provides a rigid connection between the armrests (10a,b), whereby one armrest (10a) is movable by operation of the other armrest (10b) and vice versa.

Description

Adjustable armrest assembly
Technical field
The present invention relates to handrail, particularly, relate to the handrail for office chair.More specifically, the adjustable armrest assembly that the present invention pays close attention to as illustrates in the preamble of claim 1.
Background technology
State-of-art comprises the various mechanism of the handrail for regulating chair.
WO2006/094260 has described the office chair with two arm bearing assemblies.Each arm assembly comprises adjustment locked component, to allow to adjust the height of arm lid in its arm lid being remained on to the selected elevation angle.Locked component can engage with the liner being arranged in pillar.Further, armrest assembly has multiple interconnection and relative portable plate, and it allows along with along fore-and-aft direction and left and right directions regulating arm lid and the angle orientation of regulating arm lid.
NO20010459 and corresponding DE10103569A1 disclose a kind of office chair, and wherein each handrail is arranged on vertical axis and selects, and each handrail can be rotatable in a horizontal plane independently of one another.
Summary of the invention
In main claim, propose and described feature of the present invention, dependent claims has been described further feature of the present invention simultaneously.
Therefore a kind of armrest assembly for chair is provided, has there is the handrail of the horizontal two opposite sides that is arranged on seat; Each handrail comprises corresponding supporting construction; Armrest assembly is characterised in that actuating and supporting member in groups, and actuating and supporting member are configured to be connected to each supporting construction and are supported movably by the supporting arrangement that is connected to chair in groups; Supporting arrangement is configured such that handrail passes through the translational motion between forward position and the rear positions on chair and can move.
In one embodiment, actuating and supporting member are supported by supporting arrangement movably via corresponding jockey and holder device in groups; Described jockey and holder device are structurally connected via fixture.
Holder device in one embodiment by supporting arrangement translation support and can between the end stop that is connected to supporting arrangement, move.
In one embodiment, holder device comprise roller for holder device being rotatably supported on to supporting arrangement, main body and via locking device be connected to movably the endosome of main body and be arranged on main body and endosome between at least one flexible member; Described flexible member is configured to provide biasing force between main body and endosome.
In one embodiment, supporting arrangement comprises shifting element, and shifting element has the groove that is configured at least a portion that receives roller, and described biasing force is used for the described part of roller to be pushed at least one in described groove.
In one embodiment, activate in groups and supporting member is laterally arrange and be positioned at the cross bar below seat, and provide and be rigidly connected between handrail, thereby a handrail can move by the operation of another handrail, vice versa.
In one embodiment, supporting arrangement comprises a pair of bearing assembly, and each bearing assembly comprises support.
Therefore, by adopting a hand (push/pull action) can move/regulate two handrails.The armrest assembly of inventing promotes that user easily and intuitively pushes handrail open.
Accompanying drawing explanation
According to the embodiment of the preferred form providing as non-limiting example next with reference to the description of accompanying drawing, these and other feature of the present invention will become clear, in the accompanying drawings:
Fig. 1 is the side view having according to the chair of the embodiment of adjustable armrest assembly of the present invention, and the handrail that is positioned at forward position and rear positions is shown;
Fig. 2 is perspective view, illustrate single handrail and linked together by cross bar in groups, and handrail is connected to chair via cross bar;
Fig. 3 is perspective view, illustrates cross bar and how to be connected to chair via connecting elements and support frame;
Figure 4 and 5 are perspective views of the connection between diagram cross bar, supporting member and support frame;
Fig. 6 is perspective view, illustrates a pair of bearing assembly of support frame, and illustrates cross bar and how to be connected to bearing assembly;
Fig. 7 a is according to the perspective view of the embodiment of bearing assembly of the present invention,, illustrates the embodiment of the support in bearing assembly that is;
Fig. 7 b is the perspective longitdinal cross-section diagram of the bearing assembly shown in Fig. 7 a;
Fig. 7 c is the bearing assembly longitudinal cross-section side view shown in Fig. 7 a and 7b;
Fig. 8 a and 8b are the different perspective views of the support shown in Fig. 7 a;
Fig. 8 c is the support perspective longitdinal cross-section diagram shown in Fig. 8 a and 8b;
Fig. 8 d is a perspective cross-sectional view part, that intercept along the section line A-A as indicated in Fig. 8 c of support, and
Fig. 9 is the exploded view of support.
The specific embodiment
Ensuing description will adopt such as " level ", and " vertically ", " laterally ", " front and back ", " up and down ", " on ", the term of D score etc. and so on.These terms relate generally to as illustrated in the drawings view and orientation and are associated with the normal use of chair.It should not be restrictive only using for convenience's sake these terms and these terms.
Fig. 1 and Fig. 2 illustrate the office chair 2 with backrest 3 and seat 4.This office chair is supported by base (not shown) via Height Adjustable post 5, and base has multiple wheels traditionally, and Height Adjustable post 5 preferably has damper.This chair-supporting arrangement is well known in the art.Control lever 6,7 can operate with vertically (up and down) adjusting backrest and seat of difference.This control lever and mechanism are known and therefore need to be described in detail at this.
Two handrail 10a, b is arranged on the horizontal two opposite sides at seat.Handrail can be can carry out independently highly regulating via known device (therefore not shown).Handrail can move forward and backward as shown in fig. 1.Forward position " F " and rear positions " R " (perspective view).Double-head arrow is indicated this motion.Will be understood that, handrail is that ancon provides support in the time that ancon is positioned at rear positions.
Fig. 2 illustrates each handrail 10a, and b is connected to cross bar 14 in groups via corresponding support bar 12.Cross bar 14 is connected to chair via a pair of connecting elements 17, and this extends in chair body by the slit 16 in the lid 13 below seat connecting elements 17.
In Fig. 3, seat, backrest and lid have been removed to illustrate better the present invention.Fig. 3 also illustrates that post 5 is connected to switching element 15, and switching element 15 is connected to again seat and backrest (not shown in Fig. 3).Cross bar supporting member 17 is connected to support frame 18.In illustrated embodiment, support frame is connected to seat (not shown in Fig. 3) via switching element 15.With reference to Figure 4 and 5, support frame 18 mainly comprises a pair of bearing assembly 19 (each bearing assembly is for each connecting elements 17), and it is via bracing piece 20a, and b interconnects to provide needed rigidity.Support frame 18(, bearing assembly 19 and bracing piece 20a, b) there are multiple holes 27, support frame can be fixed to seat and/or switching element by described multiple holes 27.
Fig. 6 illustrates cross bar supporting member 17 and how to be connected to the bearing assembly 19 of their correspondences.Handrail and support bar (not shown in Fig. 6) are connected to the end opposite of cross bar 14 easily via corresponding receiver 31.Also, with reference to Fig. 7 a, each bearing assembly 19 comprises the thin-long casing 28 with inner longitudinal groove 29 and longitudinal opening 30.Support 23 is arranged in bearing assembly housing and is configured to and extends along groove 29 front and back.End stop 33 (for support) is arranged on the two ends place of groove.Support 23 comprises the outwards outstanding supporting projections 21a through longitudinal opening 30, b.Cross bar connecting elements 17 is therefore via supporting projections 21a, and b is connected to support 23, and (the screw 22a (Fig. 6) of Fig. 7 in a) is fixed to support by corresponding screwed hole 22b.Cross bar connecting elements 17 (and therefore cross bar, and therefore handrail) therefore can move forward and backward in the longitudinal groove of bearing assembly 19 29.
Fig. 7 b illustrates each assembly of support 23, goes up vertical support wheel 44a, b and lower vertical support wheel 45a, b.Lower support wheel 45a, b and lateral support wheel 46a, b is supported by groove 29, and in illustrated embodiment, groove 29 comprises bottom U-shaped insert 24, and it is used for reducing the sound producing by traversing carriage.Also, with reference to Fig. 7 c, bearing assembly housing 19 also comprises to be arranged to and upper support wheel 44a, the upper insert 25 of b contact.Upper insert 25 comprises a series of grooves 32 of using the gearshift parts that act on support.Upper support wheel 44a, b is pressed into (as described below) in groove, therefore slight resistance is provided and feedback is given to user's (when moving hand-rail) of traversing carriage.Insert 24,25 is made up of the sturdy and durable plastic material such as polyamide (PA) or polyformaldehyde (POM).
Referring now to Fig. 8 a-d and Fig. 9, support 23 comprises main body 40, and main body 40 has the elongated shape corresponding to the interior shape of bearing assembly.Main body 40 is configured for by above-mentioned lower vertical support wheel 45a, and b is supported on groove, lower vertical support wheel 45a, and b is rotationally attached to main body via corresponding wheel shaft 47a and wheel shaft support member 47b.The lateral support wheel 46a that is rotationally attached to main body 40 for the cross-brace of support 23 by the wheel shaft 47c by corresponding and wheel shaft support member 47d, b provides.Lockplate 43 is configured to locking and the engaging of main body 40, and therefore lateral support is taken turns and is fixed to main body.
Main body 40 comprises the cavity 48 with multiple regions 49, and each region 49 is configured to support corresponding flexible member 42.In illustrated embodiment, four this flexible members are arranged in cavity, and two flexible members are arranged on the corresponding end of main body and have the part outside the body end of being projected into.Be arranged on main body corresponding end these two flexible members therefore they be resisted against end stop 33 (Fig. 7 c) time with the damper that acts on support.Flexible member comprises elastomeric material, as natural or synthetic rubber, microvoid polyurethane (MCU), and/or spring element.
Endosome 41 is configured to partly insert in cavity 48 and for via locking key 34a and corresponding protuberance 34b and main body 40 engage.As shown in Figure 8 c, the length scale of locking key arm is formed as making between locking key and protuberance, having play P, thereby endosome 41 can move up and down and still be fixed to main body with respect to main body 40.The size of endosome 41 and flexible member 42 is formed as making flexible member to remain between endosome 41 and main body 40 compressedly.Therefore flexible member 42 is effective elastic buffer or the elastic dampers between endosome and main body.
Endosome 41 comprises the upper vertical support wheel 44a rotatably being supported via corresponding wheel shaft 47a and support member 47b, b.Described wheel partly extends to outside endosome.When support 23 in assembled state and be placed on bearing assembly 19 when interior (as, in Fig. 7 a-c), support is via lower vertical support wheel 45a, b and lateral support wheel 46a, b is rotatably supported in groove 29 by insert 24.Flexible member 42 is used for upwards pushing endosome and thus upper support is taken turns to 44a, and b is pressed against on insert 25.Upper support wheel 44a, therefore b is pressed in groove 32, the user that this provides the slight resistance of motion and has fed back to traversing carriage.
Lean against the lateral support wheel 46a on the side of U-shaped groove 29, any misalignment between b compensation bearing assembly, and therefore prevent from stopping up.Owing to being pulled by user as handrail or colliding with desk the Transverse Impact power causing and also received by cross-brace wheel.
When the chair 2 assembling in use and user's imposed load at one or two handrail 10a, when b is upper, these load are via cross bar 14 and cross bar supporting member 17 are transferred to support 23 in groups.In two supports and corresponding bearing assembly, produce the active force of reverse direction by imposed load causes on a handrail moment.For example, the downward directed force F on a handrail can produce moment, and this moment causes the upwards active force of the downward active force of the 2F size on a bearing assembly and the F size on another bearing assembly.Therefore, this receives the moment being produced by the asymmtric load on handrail to bearing assembly 19.
Described armrest assembly makes user easily move forward and backward handrail.Cross bar and double base modular construction make user pass through only to operate a handrail and just can effectively move two handrails in groups.
Although illustrated embodiment shows cross bar and is connected to seat via support frame, should be appreciated that invented armrest assembly can be connected to any other structure on seat, backrest, seat tilting mechanism or chair.
Although described the present invention with reference to illustrated embodiment, should connect, can armrest assembly be modified and/or be added, but these should remain in the field of the invention and scope.

Claims (7)

1. for an armrest assembly for chair (2), there is the handrail (10a, b) of the horizontal two opposite sides that is arranged on seat (4); Each handrail comprises corresponding supporting construction (12);
Armrest assembly is characterised in that,
Activate in groups and supporting member (14), described actuating in groups and supporting member (14) are configured to be connected to each supporting construction (12) and are supported movably by the supporting arrangement (19) that is connected to chair;
Supporting arrangement is configured such that handrail passes through the translational motion between forward position (F) and the rear positions (R) on chair and can move.
2. armrest assembly according to claim 1, wherein activates in groups and supporting member (14) is supported by supporting arrangement (19) movably via corresponding jockey (17) and holder device (23); Described jockey and holder device are structurally connected via fixture (21a, b, 22a, b).
3. armrest assembly according to claim 2, wherein holder device (23) is supported and can between the multiple end stop (33) that are connected to supporting arrangement (19), be moved by supporting arrangement (19) translation ground.
4. according to the armrest assembly described in claim 2 or 3, wherein holder device (23) comprises the roller (44a for holder device being rotatably supported on to supporting arrangement, b, 45a, b, 46a, b), main body (40) and via locking device (34a, b) be connected to movably the endosome (41) of main body and be arranged on main body and endosome between at least one flexible member (42); Described flexible member is configured to provide biasing force between main body and endosome.
5. armrest assembly according to claim 4, wherein supporting arrangement (19) comprises shifting element (25), shifting element (25) has and is configured to receive roller (44a, the groove (32) of at least a portion b), and described biasing force is used for the described part of roller to be pushed at least one in described groove.
6. according to armrest assembly in any one of the preceding claims wherein, wherein activate in groups and supporting member (14) is laterally arrange and be positioned at the cross bar below seat, and at handrail (10a, b) between, provide and be rigidly connected, thereby a handrail (10a) can move by the operation of another handrail (10b), and vice versa.
7. according to armrest assembly in any one of the preceding claims wherein, wherein supporting arrangement comprises a pair of bearing assembly (19), and each bearing assembly comprises holder device (23).
CN201310487601.5A 2012-10-22 2013-10-17 Adjustable armrest component Active CN103767381B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20121236 2012-10-22
NO20121236A NO335188B1 (en) 2012-10-22 2012-10-22 Adjustable armrest assembly

Publications (2)

Publication Number Publication Date
CN103767381A true CN103767381A (en) 2014-05-07
CN103767381B CN103767381B (en) 2018-04-27

Family

ID=49447984

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310487601.5A Active CN103767381B (en) 2012-10-22 2013-10-17 Adjustable armrest component

Country Status (4)

Country Link
EP (1) EP2721964B1 (en)
KR (1) KR20140051095A (en)
CN (1) CN103767381B (en)
NO (1) NO335188B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105361503A (en) * 2015-11-17 2016-03-02 鹤山市康美家具卫浴有限公司 Multifunctional foot-bath chair

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3050175B1 (en) 2016-04-18 2019-06-28 Dassault Aviation ARMREST FOR AIRCRAFT SEAT, SEAT AND ASSOCIATED METHOD
CN109846244B (en) * 2019-03-23 2022-04-22 肖增荣 Multifunctional office chair
KR20210060096A (en) * 2019-11-18 2021-05-26 엘지전자 주식회사 Robot

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0759631A (en) * 1993-08-26 1995-03-07 Itoki Crebio Corp Chair with armrest
US5975639A (en) * 1999-01-22 1999-11-02 Wilson; John T. Armrest for ergonomic chair
CN201088311Y (en) * 2007-10-18 2008-07-23 唐承慧 Seat arm rest fixed mount capable of adjusting pre and post
CN101721062A (en) * 2008-10-30 2010-06-09 林育钟 Hold control hand rest group
CN201995984U (en) * 2010-11-09 2011-10-05 广力达企业有限公司 Front-rear adjusting device for chair armrest

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE468072B (en) * 1991-02-13 1992-11-02 Rfsu Rehab Ab ARCHIVE SETTLEMENT ARRANGEMENTS
US6403738B1 (en) 1998-07-29 2002-06-11 E. I. Du Pont De Nemours And Company Polymerization of olefins
DK200000131A (en) 2000-01-27 2001-10-25 Haag A S A Office chair with armrests
EP1855565B1 (en) 2005-03-01 2015-05-20 Haworth, Inc. Chair including a height-adjustment assembly
US20100123346A1 (en) * 2008-11-14 2010-05-20 Yu-Chung Lin Adjusting Device Coacting Arm Rests in a Chair

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0759631A (en) * 1993-08-26 1995-03-07 Itoki Crebio Corp Chair with armrest
US5975639A (en) * 1999-01-22 1999-11-02 Wilson; John T. Armrest for ergonomic chair
CN201088311Y (en) * 2007-10-18 2008-07-23 唐承慧 Seat arm rest fixed mount capable of adjusting pre and post
CN101721062A (en) * 2008-10-30 2010-06-09 林育钟 Hold control hand rest group
CN201995984U (en) * 2010-11-09 2011-10-05 广力达企业有限公司 Front-rear adjusting device for chair armrest

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105361503A (en) * 2015-11-17 2016-03-02 鹤山市康美家具卫浴有限公司 Multifunctional foot-bath chair

Also Published As

Publication number Publication date
CN103767381B (en) 2018-04-27
NO20121236A1 (en) 2014-04-23
NO335188B1 (en) 2014-10-20
EP2721964A1 (en) 2014-04-23
EP2721964B1 (en) 2017-05-31
KR20140051095A (en) 2014-04-30

Similar Documents

Publication Publication Date Title
US10856665B2 (en) Seating furniture with height-adjustable headrest
US7234774B2 (en) Seating unit with novel flexible supports
CN103767381A (en) An adjustable armrest assembly
US20140062154A1 (en) Resilient chair incorporating multiple flex zones
JP2015073903A (en) Tilting chair
US8465095B2 (en) Chair with tiltable back
US8348342B2 (en) Preference control mechanism
CN116157043A (en) Chair
KR20090053341A (en) Frame chair
CA2593292A1 (en) Chair with seat and backrest with synchronised movement
KR102201952B1 (en) Seat module and tilt mechanism
US20190029436A1 (en) Chair With A Footrest Device
KR102282299B1 (en) A Chair with backrest and armrest moving upward
KR101324121B1 (en) Apparatus for adjusting the armrests of a chair and a chair including the same
KR101465039B1 (en) Chair with symmetrically adjustable armrest
JP2009189598A (en) Chair
EP2989931A1 (en) Seating
KR20130003500U (en) Projection length of sheet cushions control the sofa which is possible
CN108294524A (en) A kind of deep adjustable seat of seat and seat

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant