WO2010137830A2 - Fauteuil à angle de dossier réglable - Google Patents

Fauteuil à angle de dossier réglable Download PDF

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Publication number
WO2010137830A2
WO2010137830A2 PCT/KR2010/003241 KR2010003241W WO2010137830A2 WO 2010137830 A2 WO2010137830 A2 WO 2010137830A2 KR 2010003241 W KR2010003241 W KR 2010003241W WO 2010137830 A2 WO2010137830 A2 WO 2010137830A2
Authority
WO
WIPO (PCT)
Prior art keywords
backrest
chair
housing
movable block
angle
Prior art date
Application number
PCT/KR2010/003241
Other languages
English (en)
Korean (ko)
Other versions
WO2010137830A3 (fr
Inventor
이종호
Original Assignee
(주)에이포
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 KR1020090045394A external-priority patent/KR100946664B1/ko
Application filed by (주)에이포 filed Critical (주)에이포
Priority to JP2012512956A priority Critical patent/JP2012527945A/ja
Priority to CN201080023240.3A priority patent/CN102448347B/zh
Priority claimed from KR1020100048018A external-priority patent/KR20110128521A/ko
Publication of WO2010137830A2 publication Critical patent/WO2010137830A2/fr
Publication of WO2010137830A3 publication Critical patent/WO2010137830A3/fr

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    • 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
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means
    • 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
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back

Definitions

  • the present invention relates to a chair, and more particularly to a technology that allows the user to easily adjust the backrest angle to enable more comfortable use.
  • spinal diseases include the lumbar disc and the cause of the invention is various.
  • FIG. 1 is a view showing a state diagram for the operation of the "chair” (hereinafter referred to as the prior art 1) of the Republic of Korea Utility Model Registration No. 336016, the lower support 60 is coupled to the seating table 30 as shown And the upper support 50 which is rotatably coupled by the hinge shaft 102 formed at the upper end of the lower support 60 and the torsion spring 80 as an elastic coupling means.
  • the technology has a structure that the upper support 50 can be rotated and lying down when the user leans back from the sitting position, but there is a disadvantage that the upper support 50 cannot be fixed. In addition, from the structural point of view, it can not support a large load, the durability is low, and thus there is a limit to be applied to such things as expensive office chairs.
  • Japanese Patent Application Laid-Open No. 2003-061777 discloses a technique related to a "seat frame" (hereinafter referred to as the prior art 2), and FIG. 2 corresponds to a schematic perspective view thereof, and FIG. 3 corresponds to a partially exploded perspective view. .
  • Prior art 2 relates to a seat frame for a vehicle, comprising a seat back frame 2 and a seat cushion frame 3, wherein the angle of the seat back frame 2 is between the seat back frame 2 and the seat cushion frame 3.
  • a recline device 8 for adjustment is provided.
  • the outer shape of the recline device 8 is circular and includes a lock mechanism.
  • the recline apparatus 8 of such a structure corresponds to the technique already known as a vehicle chair.
  • the angle of the seat back frame 2 can be adjusted only after the lever 82 is first rotated, and a minimum angle of rotation has been determined.
  • the present invention is suitable for office chairs, etc.
  • the user is to provide a chair that can be tilted back angle can be tilted and the backrest can be adjusted to maintain an inclined angle at a proper position when the user leans against the backrest.
  • the chair of the present invention is to provide a chair that can be configured so that the backrest can be laid completely horizontally to facilitate storage or transportation to reduce transportation costs and storage charges.
  • the present invention for achieving the above object is a chair configured to be able to change the angle of the backrest with respect to the support portion to which the backrest is connected, the backrest provided with a rotating shaft and a displacement shaft on the left and right sides of the backrest;
  • a housing fixed to the support part and having a rotation shaft connection hole to which the rotation shaft is coupled;
  • the displacement bundle, the movable block moving along the sliding groove in the housing One end is connected to the movable block, the other end is formed with a screw thread formed on the outer surface of the movable bar is installed in the form surrounding the fixed support shaft; An elastic body inserted into an outer surface of the movable bar; A moving gear coupled to the threaded portion of the movable bar, the gear being formed; It proposes a chair capable of adjusting the backrest, characterized in that consisting of; the control unit is provided with a gear portion engaging with the moving gear and made of an adjustment lever which is connected to the gear portion to protrude out of the housing.
  • the locking means proposes a chair capable of adjusting the backrest, characterized in that the rotational projection is inserted into the vicinity of the end opposite the adjustment lever of the operation portion and the rotating projection is formed to protrude out of the housing.
  • the locking means has a tab formed at a portion thereof so as to be coupled to the movable block, and a tab corresponding to one side of the movable block facing the locking means is formed. Suggest possible chairs.
  • the locking means includes a lock switch that is bent in a b-shape, one end of which protrudes out of the housing, and is rotatable;
  • a lock block provided with a fitting groove fitted to the other end of the lock switch and having a tooth portion engaged with the movable block; It proposes a chair capable of adjusting the back angle, characterized in that it comprises a; a support for elastically supporting the lock block.
  • the elastic body proposes a chair capable of adjusting the backrest angle, characterized in that any one of a spring, a rubber material, a pneumatic spring.
  • the rotating shaft is inserted to be connected to the backrest through the rotating shaft connecting hole at the outside of the housing, and when the backrest is horizontally folded, the rotating shaft can be pulled out from the outside of the housing and separated.
  • the rotation shaft is provided with an O-ring groove to which the O-ring is coupled, and when the O-ring is compressed and passed through the engaging jaw formed at the end of the rotation shaft connection hole, the O-ring is compressed to recover the coupling.
  • the elastic body is characterized in that the movable gear is moved along the movable bar according to the operation of the adjustment lever, thereby changing the compression degree of the elastic body to change the pressing force required when tilting the backrest.
  • Chair according to the present invention can adjust the backrest angle can be rotated independently of the backrest and can maintain the position at a desired angle, there is an effect that can provide a chair that can take a comfortable rest.
  • the backrest can be laid horizontally during storage or transportation, thereby minimizing the occupied space, thereby reducing costs.
  • Figure 2 is a schematic perspective view of the prior art 2.
  • Figure 3 is a partially exploded perspective view of the prior art 2.
  • Figure 4 is a side view of the main part of the chair is adjustable backrest angle configured in accordance with a preferred embodiment of the present invention.
  • Figure 5 is a side view showing a state in which the backrest is folded horizontally.
  • FIG. 6 is an exploded perspective view of a main part
  • Figure 7 is a perspective view of the assembled state with respect to the main portion.
  • FIG. 8 is a schematic cross-sectional view of the axis of rotation
  • Fig. 9 is a sectional view of another possible example of a rotating shaft.
  • FIG. 10 is a side view of an essential part of a chair according to the second embodiment
  • Fig. 11 is a side view showing a state in which the backrest of the second embodiment is folded.
  • Fig. 13 is a perspective view showing a combination of main parts of the second embodiment.
  • FIG. 4 is a side view of the main part of the chair capable of adjusting the backrest angle according to the preferred embodiment of the present invention
  • FIG. 5 is a side view showing a state where the backrest is horizontally folded
  • FIG. 6 is an exploded view of the main part.
  • Fig. 7 shows a perspective view of the assembled state with respect to the main part.
  • the chair of the present invention is characterized in that the angle of the backrest can be adjusted to an appropriate inclination according to the user's selection, and the backrest has a large rotating shaft 110 and a displacement shaft (not shown) in a specific configuration for this. It comprises a 100, the housing 200, the displacement bundle 300, the locking means 400.
  • the chair capable of adjusting the backrest is basically provided with a backrest 100 capable of supporting the user's back portion, and the backrest 100 is connected to the support 90.
  • the support 90 is to constitute a part of the chair to protrude to the upper left and right sides of the seat portion may be a part of the armrest portion or may be connected to the armrest portion as a separate member from the armrest portion.
  • Rotating shaft 110 and the displacement axis may protrude and couple to the lower left and right lower ends of the backrest 100, and the rotation shaft 110 and the displacement shaft may be detachable with respect to the backrest 100. Do.
  • the rotation shaft 110 and the displacement shaft are located adjacent to each other, the rotation shaft 110 is coupled to the rotation shaft connecting hole 210 of the housing 200, and the displacement shaft is connected to the movable block 310.
  • the housing 200 in the present invention is coupled to the support 90 to form a substantially rectangular box and is composed of a housing body 200a and a housing cover 200b.
  • the housing 200 is provided with a rotation shaft connecting hole 210.
  • the housing 200 is provided to protrude on one side of the housing body 200a.
  • the rotation shaft 110 is inserted to be connected to the backrest 100 through the rotation shaft connection hole 210 outside the housing body 200a, and when the backrest 100 is folded horizontally.
  • the rotating shaft 110 has a structure that can be separated by pulling out to the outside of the housing body (200a).
  • the rotary shaft 110 When the rotary shaft 110 is inserted through the rotary shaft connecting hole 210, the rotary shaft 110 is connected to the backrest 100 to function to rotate the backrest.
  • the backrest 100 When the rotation shaft 110 is removed, the backrest 100 is connected to the housing 200 only through the displacement shaft. In this case, the displacement shaft functions as the rotation shaft.
  • the rotary shaft 110 may be inserted through the rotary shaft connecting hole 210 from the outside of the housing body 200a to be connected to the backrest 100.
  • the rotary shaft 110 connected to the backrest 100 may be connected to the backrest 100.
  • the backrest 100 can be easily folded out of the housing body 200a.
  • the rotary shaft 110 should not be pulled out of the rotary shaft connecting hole 210 in a situation that the user does not intend. That is, since one rotary shaft 110 is inserted through the rotary shaft connecting hole 210 and connected to the backrest 100 at both left and right sides of the backrest 100, the rotary shaft 110 little by little when used for a long time. There is a possibility of falling out. For this reason, no matter how precise the manufacturing or assembly of the backrest, the error is bound to occur, and each rotation axis 110 on both sides of the backrest left and right in the process of frequently changing the angle of the backrest or leaning directly on the backrest. This is because the asymmetrical force is applied to the.
  • the O-ring groove 111 to which the O-ring (O) can be coupled is formed on the rotary shaft 110.
  • 8 is a schematic cross-sectional view of the rotary shaft, and the O-ring groove 111 is provided near the middle of the rotary shaft 110, and the rubber O-ring O is placed on the O-ring groove 111. Insert it.
  • the O-ring (O) coupled to the rotary shaft 110 passes through the engaging jaw 220 of the rotary shaft connecting hole 210, the O-ring (O) is larger than the inner diameter of the rotary shaft connecting hole 210.
  • O) acts as a stopper so that the rotating shaft 110 does not fall easily in a situation that the user does not intend.
  • the left end portion of the rotary shaft 110 is formed to have the largest diameter than the other portion, this portion is to be called the head 112. It is inserted into the rotary shaft connecting hole 210 from the opposite end of the head 112, the head 112 is coupled to be caught to the front end of the rotary shaft connecting hole 210 formed in the housing. The reason why the head 112 is placed on the rotating shaft 110 is that when the user uses the chair in a state in which the rotating shaft 110 is coupled, the rotating shaft 110 is connected to the rotating shaft 110 when the user opens the handle of the chair. ) To prevent deviation from
  • Figure 9 shows another possible example of the rotating shaft.
  • the main feature of the present invention is to allow the rotating shaft 110 to be assembled or detached from the housing 200 as needed, and another possible embodiment includes a first ball stopper method or a fixed bolt method.
  • the ball stopper method is provided with a ball (B) that is supported by a spring on the outer surface of the rotary shaft 110, the rotary shaft connecting hole 210 has a ball groove (not shown) that can be caught by the ball (B) It means to put the restraint.
  • the fixed bolt method is formed by forming a bolt hole (not shown) connected to the rotating shaft connecting hole 210 in the housing with a recessed portion (G) formed in a circle on the outer surface of the rotating shaft 110 (not shown) When filling the bolt means that the bolt is fixed to the recessed portion (G).
  • a displacement bundle 300 including a movable block 310 and a locking means 400 are installed inside the housing 200, and a displacement shaft is connected to the movable block 310 to linearly slide the backrest.
  • the 100 may rotate based on the rotation shaft 110.
  • the locking means 400 serves to restrain the backrest 100 to be fixed at a desired point.
  • the displacement bundle 300 includes a movable block 310, a movable bar 320, an elastic body 330, and a moving gear. 340 and the operation unit 350.
  • the movable block 310 may linearly move along the sliding groove 241 formed in the housing body 200a, and a displacement shaft connecting hole 311 may be provided to which a displacement shaft (not shown) may be connected.
  • a tab (not shown) is formed on one side (surface facing the locking means) of the movable block 310 so as to be coupled to the locking means 400, and the sliding groove 241 is the movable block. Any shape may be used as long as the 310 may be mutually coupled to be linearly moved.
  • a portion of the sliding groove 241 is provided with a cutout so that the locking block 400 and the movable block 310 can be restrained so that the movable block 310 can be fixed by the locking means.
  • the movable block 310 is connected to the movable bar 320.
  • the movable bar 320 is a long rod-shaped member, one end of which is connected to the movable block 310 and the other end of the movable block 310 is externally fitted to the support shaft 360. Is installed.
  • the support shaft 360 is fixed to the housing 200 so that the movable bar 320 may be linearly moved while being fitted to the support shaft 360.
  • a screw thread 321 is formed on an outer surface of a predetermined region of the other end of the movable bar 320, and the movable gear 340 is coupled to the screw thread 321. As the movable block 310 moves, the movable bar 320 also linearly moves together.
  • an elastic body 330 is installed on the outer surface of the movable bar 320, the general coil spring may be utilized as the elastic body.
  • a rubber material or a pneumatic spring may be used as the elastic body 330.
  • the elastic body 330 can be compressed by rotating the moving gear 340 by using the adjustment lever 352 to tilt the backrest 100 to the angle It is an element that determines the minimum force that the user should apply to the backrest during adjustment, and also functions to easily return to the repulsive force of the elastic material when the inclined backrest is placed upright.
  • the mobile gear 340 is coupled to the threaded portion 321 of the movable bar 320, and gears are formed on the outer circumferential surface of the mobile gear 340.
  • the elastic body 330 to be fitted to the movable bar 320 is not separated by the mobile gear 340 is connected to the movable bar 320 and the mobile gear 340 according to the rotation direction of the operation unit 350 to be described later. It moves along the thread 321 of the movable bar 320. That is, the elastic body 330 may be compressed or released according to the moving direction of the moving gear 340.
  • the moving gear 340 and the elastic body 330 to prevent the elastic body 330 is in direct contact with the moving gear 340 to wear.
  • the contact preventing body 335 is placed between the contact preventing body 335 is also fitted to the movable bar (320).
  • the operation unit 350 is also an element constituting the displacement bundle 300, a long rod-shaped member installed in the housing 200, the gear unit 351 is engaged with the moving gear 340 is formed in some areas It is connected to the gear unit 351 has a control lever 352 protruding out of the housing 200. And the locking lever 400 is inserted near the opposite end of the operation portion to which the adjustment lever 352 is connected is installed to be rotated, the operation unit 350 including the gear portion 351 when rotating the adjustment lever 352 ) Rotates and the moving gear 340 engaged with the gear unit 351 is rotated to move along the thread 321 of the movable bar 320.
  • the locking means 400 is to be able to fix the position of the movable block 310 is provided with a pivoting projection 410 protruding out of the housing 200 can be easily operated, in the case of this embodiment As it is rotated while being fitted near one end of the operation unit 350, the movable block 310 may be connected to or disconnected from the movable block 310.
  • the locking means 400 has a tab 420 partially formed on the outer circumferential surface thereof, and the tabless region forms a smooth plane so that the locking means 400 is engaged with the tab portion formed in the movable block 310 only in the tab 420 region. To help.
  • the compression degree of the elastic body 330 is changed by the manipulation of the adjustment lever 352, the greater the compression degree of the elastic body 330 than when tilting the backrest 100 Force is required and reducing the degree of compression makes it easier to tilt the backrest. That is, the degree of compression of the elastic body 330 may be changed in consideration of the user's age or physical characteristics.
  • the housing cover 200b constituting the housing 200 is formed with a curved guide hole 250, through which a displacement axis (not shown) is connected to the displacement shaft connecting hole (not shown) of the movable block 310 311), and when the backrest 100 is inclined, the displacement axis is moved along the guide hole 250 of the curve so that the backrest 100 is inclined without difficulty.
  • the locking means 400 is rotated to disconnect the connection with the movable block 310. If the backrest is applied to the backrest 100, the backrest may be inclined within a predetermined angle range. After tilting the backrest 100 to a desired angle, the locking means 400 is rotated again to be connected to the movable block 310 to maintain its position.
  • FIG. 5 shows a state in which the backrest is laid horizontally, and by separating the rotating shaft 110, the backrest 100 can be completely laid horizontally while being connected to the housing 200 through a displacement shaft. As such, the backrest can be laid horizontally as needed, thereby minimizing the space occupancy during transportation or storage, thereby achieving cost reduction.
  • Figure 10 is a side view of the main part of the chair according to the second embodiment
  • Figure 11 is a side view showing a backrest folded state
  • Figure 12 is a main part 13 is an exploded perspective view showing a main portion thereof.
  • the second embodiment is basically the same as the first embodiment described above, but there is a difference in the specific form of the displacement bundle and the locking means among the components. In the second embodiment, the description of parts overlapping with those of the first embodiment will be omitted.
  • the locking means 400 is preferably configured to include a lock switch 430, a lock block 440 and a support 450.
  • the lock switch 430 has an approximately C shape as shown and is coupled to be rotated with respect to the housing 200 and one end protrudes out of the housing. Both sides of the lock switch 430 are provided with a protruding pivot shaft 431 for a pivoting operation, and the pivot shaft 431 is rotatably supported in the housing 200.
  • a tooth block 312 is provided on one side of the movable block 310 and the lock block 440 having another tooth 441 engaged with the tooth 312 of the movable block 310 is movable. It is arranged to face the block 310.
  • the lock block 440 is provided with a fitting groove 442 into which the other end of the lock switch 430 may be fitted, and the lock block 440 is operated by the operation of the lock switch 430. 310 may be combined or separated.
  • the lock block 440 is supported by the support 450 and the support 450 is like a spring, the support 450 is located between the housing 200 and the lock block 440 is the lock block
  • the pressure 440 is maintained to the movable block 310 side. Therefore, in order to release the coupling between the movable block 310 and the lock block 440, the support switch 450 is compressed and the movable block is rotated by retracting the lock block 440 by rotating the lock switch 430. The engagement with 310 is released. However, when the force applied to the lock switch 430 is removed, the support 450 extends as it is, and pushes the lock block 440 to be coupled to the movable block 310.
  • the chair that can adjust the angle of the backrest of the present invention is configured to easily adjust the angle of the backrest, and is expected to be applied to various chairs to provide convenience to the user. It can be applied to furniture such as
  • the present invention can be made easily to adjust the angle of the backrest, and is related to the chair of the structure that can be fully folded backrest, when applied to a chair in each home or office, such as to help the spine health of the user, the use of the chair It has the advantage of convenient storage and moving. Therefore, there is a need to be widely adopted in the field of manufacture, distribution and consumption of household or office furniture.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Chairs Characterized By Structure (AREA)
  • Special Chairs (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

La présente invention concerne un fauteuil, et en particulier, un fauteuil conçu avec un angle de dossier modifiable par rapport à une partie de support à laquelle le dossier est relié, de manière à procurer davantage de confort à un utilisateur lors de l'utilisation. Le fauteuil comprend: ledit dossier comportant un axe de rotation et un axe de déplacement sur ses côté gauche et droit; un corps installé de manière fixe sur la partie de support et comportant un orifice de liaison d'axe de rotation auquel l'axe de rotation est accouplé; un ensemble de déplacement comprenant un bloc mobile formé dans le logement et relié à l'axe de déplacement afin de se déplacer linéairement de manière coulissante et afin de permettre de modifier l'angle du dossier; et un moyen de verrouillage pour fixer sélectivement une position du bloc mobile.
PCT/KR2010/003241 2009-05-25 2010-05-24 Fauteuil à angle de dossier réglable WO2010137830A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012512956A JP2012527945A (ja) 2009-05-25 2010-05-24 背もたれ角度調整可能な椅子
CN201080023240.3A CN102448347B (zh) 2009-05-25 2010-05-24 可调节靠背角度的椅子

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020090045394A KR100946664B1 (ko) 2009-05-25 2009-05-25 등받이 각도 조정이 가능한 의자
KR10-2009-0045394 2009-05-25
KR1020100048018A KR20110128521A (ko) 2010-05-24 2010-05-24 등받이 각도 조정이 가능한 의자
KR10-2010-0048018 2010-05-24

Publications (2)

Publication Number Publication Date
WO2010137830A2 true WO2010137830A2 (fr) 2010-12-02
WO2010137830A3 WO2010137830A3 (fr) 2011-03-03

Family

ID=43223211

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/003241 WO2010137830A2 (fr) 2009-05-25 2010-05-24 Fauteuil à angle de dossier réglable

Country Status (3)

Country Link
JP (1) JP2012527945A (fr)
CN (1) CN102448347B (fr)
WO (1) WO2010137830A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9458905B2 (en) 2012-09-20 2016-10-04 Steelcase Inc. Spring assembly and method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5232317B1 (ja) 2012-05-01 2013-07-10 株式会社ヒカリ 角度調節器
CN106108469B (zh) * 2016-07-29 2018-11-16 陈烁 自动收背式公用座椅

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JP2001190352A (ja) * 2000-01-14 2001-07-17 Matsushita Electric Works Ltd 椅 子
KR200336016Y1 (ko) * 2003-08-21 2003-12-11 주식회사 대건가구 의자
JP2004000434A (ja) * 2002-04-08 2004-01-08 Takano Co Ltd 椅子の背もたれ構造
KR100543155B1 (ko) * 1997-10-24 2006-01-20 스틸케이스인코오포레이티드 조절 가능한 시트, 등받이 및 에너지 기구를 구비한 동기경사식 의자

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JPS5039204Y2 (fr) * 1971-11-22 1975-11-11
JPS5346856A (en) * 1976-10-08 1978-04-26 Kyoei Ind Back rest unit for chair
CN2426310Y (zh) * 1999-12-30 2001-04-11 戴东锡 具自行调整倾斜度结构的椅背
CN2488383Y (zh) * 2001-07-04 2002-05-01 富锢有限公司 座椅靠背体倾斜角度的控制机构
JP2003061777A (ja) * 2001-08-27 2003-03-04 Aisin Seiki Co Ltd シートフレーム
JP4133427B2 (ja) * 2003-02-21 2008-08-13 コクヨ株式会社 椅子
CN2680111Y (zh) * 2003-11-04 2005-02-23 乔山健康科技股份有限公司 椅背角度调整装置
CN2730676Y (zh) * 2004-09-29 2005-10-05 莫志强 靠背倾角气动调节的座椅

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KR100543155B1 (ko) * 1997-10-24 2006-01-20 스틸케이스인코오포레이티드 조절 가능한 시트, 등받이 및 에너지 기구를 구비한 동기경사식 의자
JP2001190352A (ja) * 2000-01-14 2001-07-17 Matsushita Electric Works Ltd 椅 子
JP2004000434A (ja) * 2002-04-08 2004-01-08 Takano Co Ltd 椅子の背もたれ構造
KR200336016Y1 (ko) * 2003-08-21 2003-12-11 주식회사 대건가구 의자

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9458905B2 (en) 2012-09-20 2016-10-04 Steelcase Inc. Spring assembly and method

Also Published As

Publication number Publication date
WO2010137830A3 (fr) 2011-03-03
JP2012527945A (ja) 2012-11-12
CN102448347A (zh) 2012-05-09
CN102448347B (zh) 2014-09-17

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