EP0638265A2 - Chaise de bureau - Google Patents

Chaise de bureau Download PDF

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Publication number
EP0638265A2
EP0638265A2 EP94112241A EP94112241A EP0638265A2 EP 0638265 A2 EP0638265 A2 EP 0638265A2 EP 94112241 A EP94112241 A EP 94112241A EP 94112241 A EP94112241 A EP 94112241A EP 0638265 A2 EP0638265 A2 EP 0638265A2
Authority
EP
European Patent Office
Prior art keywords
chair
backrest
seat
clamp
movement
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
EP94112241A
Other languages
German (de)
English (en)
Other versions
EP0638265A3 (fr
EP0638265B1 (fr
Inventor
Reto Pfenniger
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.)
Girsberger Holding AG
Original Assignee
Girsberger Holding AG
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 Girsberger Holding AG filed Critical Girsberger Holding AG
Publication of EP0638265A2 publication Critical patent/EP0638265A2/fr
Publication of EP0638265A3 publication Critical patent/EP0638265A3/fr
Application granted granted Critical
Publication of EP0638265B1 publication Critical patent/EP0638265B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03294—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers
    • 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
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03255—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office chairs
    • 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
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • 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
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03277—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with bar or leaf springs
    • A47C1/03279—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with bar or leaf springs of torsion type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/20—Chairs or stools with vertically-adjustable seats
    • A47C3/30—Chairs or stools with vertically-adjustable seats with vertically-acting fluid cylinder
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/12—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons
    • A47C31/126—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons for chairs

Definitions

  • the invention relates to an office chair with a seat support which is held on a lower part of the chair and which is pivotally connected to a seat which is coupled in motion with a backrest via a synchronous sliding guide or similar synchronous mechanism, the seat being supported by a restoring device acting counter to the pivoting movement .
  • the leaning force of the user is opposed by the restoring force of a restoring device which at the same time supports the seat pivotably connected to a seat support against a pivoting movement.
  • the restoring force counteracting the leaning force of the user must be carried out more strongly in the case of tall and heavy people as a result of the greater body weight and is to be additionally raised with increasing backward inclination of the backrest and a correspondingly longer lever arm, this increase in force also remaining dependent on the weight of the user .
  • an office chair is already known from utility model DE-GM 86 14 185.6, the seat of which is connected via a front and rear parallelogram link to a stationary seat support which is attached to a lower part of the chair.
  • the seat of this previously known office chair is coupled to the backrest via a synchronous mechanism consisting of further pivotable handlebar arms, in such a way that the seat is lowered more than the front when the backrest is adjusted out of its normal position and executes a movement following the backrest to the rear.
  • the seat is supported by a return device acting against the pivoting movement, which consists of two return springs which are more or less biased according to the weight of the user.
  • the return device and its return springs ensure that the movement of the backrest is coupled with it Synchronous movement of the seat runs more or less smoothly.
  • This previously known office chair has a relatively complicated mechanical structure, which is characterized by a large number of articulation points and movable handlebar arms in order to coordinate the movement sequence between the seat and the backrest.
  • the inventive solution to this problem consists in particular in the chair of the type mentioned above in that the seat support on the lower chair part is movably guided in an approximately vertical direction, that the seat is supported on the lower chair part by means of the return device, and that a device within the movement transmission path between the backrest and the lower chair part for blocking and / or compensating for the movement transmitted to the restoring device when the backrest is pivoted back.
  • the seat is supported on the lower part of the chair by means of the reset device.
  • the seat support which is pivotally connected to the seat, is movably guided on this lower chair part in the vertical direction. If the weight of a user acts on the seat, the reset device provided for resetting the seat is prestressed. This bias of the return device does not affect the inclination of the backrest which is coupled to the seat because namely, the seat support can move slightly downward on the lower part of the chair according to the body weight of the user.
  • Seat and backrest are coupled to one another in motion by a synchronous sliding guide or similar synchronous mechanism.
  • the resetting device of the office chair according to the invention therefore basically requires only one resetting spring or similar resetting force, even if several such resetting springs can of course be provided.
  • the leaning force applied when leaning back is incorporated into the movement transmission path of the chair according to the invention.
  • the counteracting reset device is additionally biased beyond the user weight.
  • a device for blocking and / or compensating for the returning movement of the backrest onto the restoring device transferred movement provided.
  • the blocking device is effective in the transmission of movement between the seat support and the lower part of the chair and if the blocking device is used for one Swiveling backrest movement can be activated.
  • the blocking device which acts between the seat support and the lower part of the chair, counteracts lifting of the seat when the backrest is adjusted to the rear.
  • the blocking device is already actuated at a comparatively low leaning force acting on the restoring device if the blocking device can be activated when the backrest is pivoted back. It is particularly advantageous if the blocking device is coupled to the synchronous sliding guide or the like synchronous mechanism.
  • the blocking device is designed as a preferably frictional braking device which is rigidly connected to the seat support and engages the lower part of the chair in its blocking position.
  • a frictional braking device can be activated practically continuously and unnoticed by the user when the backrest is reset.
  • a preferred embodiment according to the invention which additionally favors the comparatively low design outlay for the chair according to the invention, provides that the blocking device is a clamp or clamp which preferably engages around a part of the lower part of the chair projecting in a vertical direction and at least in its blocking position partially frictionally abuts this part of the lower part of the chair. So that the clamp or clamp clamps frictionally against the lower part of the chair when the user leans back, it is advantageous if at least one of the two free clamp arms of the clamp is provided on the outside with a helical run-up slope, which has a corresponding counter-slope, which is preferably essentially immovably mounted in the axial direction cooperates, which is motion-coupled to the backrest.
  • clamp arms can be pressed against one another.
  • an internal thread could be provided on at least one of the clamp arms, which interacts with the external thread of a rotatably mounted shaft. If such a shaft is rotated during a backrest adjustment, the clamp arms of the clamp are also moved towards or away from each other.
  • the clamp has a helical run-up slope on each of its two free clamp arms, if the two run-up slopes each have one in Counter-bevels mounted essentially immovably in the axial direction and if these inclined surfaces on the opposite sides of the clamp have a helical shape oriented in opposite directions of rotation.
  • the structurally simple and advantageous embodiment of the office chair according to the invention is additionally favored if the restoring device has a torsion spring as the restoring force which is arranged in the pivot axis between the seat and the seat support and if this torsion spring is held on the one hand in a rotationally fixed manner and on the other hand is connected in a rotationally fixed manner to a support lever which is supported at its free end region on the lower part of the chair.
  • the torsion spring is arranged in the pivot axis between the seat and the seat support, permits a particularly compact construction of the office chair and its restoring device.
  • the lower part of the chair is adjustable in height and if the lower part of the chair has two vertical guides with preferably two encompassing guide sleeves , of which a first guide sleeve of a gas pressure spring or the like height adjustment element and a second guide sleeve is assigned to the seat support.
  • Fig.1 an office swivel chair is shown, the seat of which is formed by a seat 2 and a backrest 3.
  • the seat 2 and the backrest 3 connected to it via the joint 4 are coupled in motion with one another via a synchronous sliding guide 5 in such a way that an adjustment of the backrest 3 at the same time also results in an adjustment of the seat 2 which is dependent thereon.
  • a synchronous adjustment of seat 2 and backrest 3 is intended to adapt the chair 1 to the ergonomics of the user.
  • the seat 2 is pivotally connected in the front area of its underside to a seat support 6, which in turn is guided in a vertical direction on a lower chair part 7.
  • the seat 2, which is pivotally connected to the seat support 6, is supported on the lower part of the chair 7 by a restoring device 8 acting counter to the pivoting movement of the seat 2.
  • the restoring device has a torsion spring 9 as a restoring force, which is arranged compactly in the pivot axis between seat 2 and seat carrier 6 and exerts a force directed in the direction of rotation M V on the seat.
  • the torsion spring 9 shown in more detail below is held on the one hand in a rotationally fixed manner on the seat 2 and on the other hand is connected in a rotationally fixed manner to a support lever 10 which with its free end portion applied to the chair base 7.
  • the reset device 8 provided for resetting the seat 2 is prestressed. This prestressing of the resetting device 8 does not affect the inclination of the backrest 3, which is coupled to the seat 2 in terms of movement, because the seat support 6 can deflect slightly downward on the chair lower part 7 in accordance with the body weight of the user. Since the restoring device 8 is biased by the weight of the user, the restoring force F R of the backrest 3 which counteracts the leaning force as a counter-moment is also automatically adapted to the weight of the user and increases with increasing backrest inclination.
  • the resetting device 8 of the office chair 1 therefore basically needs a torsion spring or similar resetting force.
  • the backrest 3 is connected to a backrest support 11 which is displaceably guided in the synchronous sliding guide 5 and is designed here as a lumbar support.
  • the synchronous sliding guide 5 has an elongated hole 12 on both sides of the approximately V-shaped seat support 6 in plan view, these elongated holes 12 being penetrated by a continuous axis 13 which is firmly connected to the backrest support 11.
  • the backrest force applied when leaning back is incorporated into the movement transmission path of the chair 1 by means of a backrest adjustment. Through this leaning force it counteracts Reset device 8 additionally biased beyond the user weight. The bias of the reset device 5 is thus greater than the weight of the user.
  • a device 14 for blocking the movement of the backrest 3 and the lower chair part 7 is within the movement transmission path the backrest 3 provided on the return device 5 movement.
  • the blocking device 14 is coupled to the synchronous sliding guide 5 and can be activated when the backrest is pivoted back.
  • the structure of the blocking device 14 is clear from FIG. 1 in connection with FIG.
  • the blocking device 14 is designed as a frictional and thus stepless braking device and acts on the chair lower part 7 in its blocking position.
  • the blocking device 14 has a clamp or clamp 15 with two clamp arms 16, 17 which are angled outwards and arranged approximately parallel to one another.
  • the clamp 15 has on both of its free clamp arms 16, 17 a helical run-up slope 18, each of these run-up slopes 18 being assigned a counter slope 19 which is essentially immovably mounted in the axial direction.
  • the inclined surfaces formed by the run-up bevels 18 and counter-bevels 19 are helically shaped on the opposite sides of the clamp 15 in opposite directions of rotation.
  • the run-up slopes 18 each have a central opening 20 which passes through an axis 21.
  • Clamp levers 22 are provided on the two free end regions of the axis 21.
  • the counter bevels 19, the clamping levers 22 and the axis 21 are non-rotatably connected.
  • the clamping levers 22 each have an elongated hole 23 on their end region facing away from the axis 21, these elongated holes 23 being penetrated by the axis 13 of the synchronous sliding guide 5.
  • the relative position of the seat 2 is simultaneously changed via the synchronous sliding guide 5. Since the clamping levers 22 engage the axis 13 of the synchronous sliding guide 5, the blocking device 14 is also activated when the backrest 3 is pivoted back. Due to the backward pivoting movement, the axle 13 connected to it is moved forward via the backrest support 11, so that the clamping levers 22 rotatably mounted about the axle 21 pivot forward. As a result of this rotary or pivoting movement of the clamping levers 22, the counter bevels 19 connected to them in a rotationally fixed manner slide on the run-up bevels 18.
  • the lower part of the chair 7 is adjustable in height. From Figure 1 it is clear that the lower chair part 7 has two superimposed vertical guides with two encompassing guide sleeves 24, 25, of which a first guide sleeve 24 is assigned to a gas pressure spring 26 and a second guide sleeve 25 is fixedly connected to the seat support 6; in this second guide sleeve 25, the clamping bracket 15 is also immovably inserted in the vertical direction.
  • the cylinder 27 of the rotatably mounted gas pressure spring 26 projects upwards the first guide sleeve 24.
  • the clamp 15 engages on this protruding portion of the vertical gas pressure spring 26, while the support lever 10 is supported on the upper end face of the cylinder 27.
  • the torsion spring 9 has a torsion bar 28 with an angular, here hexagonal, cross-section.
  • a tubular sleeve 29, 30, which also has an angular or hexagonal outer contour, is pushed onto both sides of the torsion bar 28.
  • the tube sleeves 29, 30 each have an outer end region that is round in the outer contour.
  • the clear inner circumference of these outer end regions of the tubular sleeves 29, 30 is adapted to the shape of the outer circumference of the torsion bar 28, so that the tubular sleeves 29, 30, which are pushed onto the torsion bar 28 on both sides, are non-rotatably connected to the latter.
  • the tubular sleeves 29, 30 are each supported on their outer round end regions in a bearing bush 31, 32 provided on the underside of the seat 2. While the tubular sleeve 29 on the right in FIG. 4 is held in a rotationally fixed manner at its opposite inner end region in a central bearing bush 33 with a clear cross section adapted to the outer circumference of the tubular sleeve 29, the tubular sleeve 30 on the left in FIG. 4 is rotatably connected to the support lever 10.
  • the weight F G of the person located on the seat 2 is thus transmitted to the torsion bar 28 via the bearing bush 33, which is connected in a rotationally fixed manner to the tubular sleeve 29, and continues from there via the tubular sleeve 30 to the support lever 10, which is connected to it in a rotationally fixed manner.
  • This support lever 10 is rotatably connected to the tubular sleeve 30 and is supported on the upper end face of the cylinder 27 of the gas pressure spring 26, which protrudes inside the guide sleeve 25 over the guide sleeve 24.
  • the office swivel chair shown here is characterized by a structurally simple and compact design.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
EP94112241A 1993-08-14 1994-08-05 Chaise de bureau Expired - Lifetime EP0638265B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4327373A DE4327373C2 (de) 1993-08-14 1993-08-14 Stuhl, insbesondere Bürostuhl
DE4327373 1993-08-14

Publications (3)

Publication Number Publication Date
EP0638265A2 true EP0638265A2 (fr) 1995-02-15
EP0638265A3 EP0638265A3 (fr) 1995-06-28
EP0638265B1 EP0638265B1 (fr) 1997-06-11

Family

ID=6495216

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94112241A Expired - Lifetime EP0638265B1 (fr) 1993-08-14 1994-08-05 Chaise de bureau

Country Status (5)

Country Link
US (1) US5547252A (fr)
EP (1) EP0638265B1 (fr)
JP (1) JP3663217B2 (fr)
AT (1) ATE154213T1 (fr)
DE (2) DE4327373C2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1654959A1 (fr) 2004-11-09 2006-05-10 Girsberger Holding AG Chaise
WO2008043574A1 (fr) 2006-10-13 2008-04-17 Bock 1 Gmbh & Co. Kg Mécanisme pour chaise de bureau

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29516840U1 (de) * 1995-10-25 1995-12-14 Völkle, Rolf, 72290 Loßburg Rückstellvorrichtung für einen Stuhl
US6007150A (en) 1998-03-08 1999-12-28 Milsco Manufacturing Company Motorcycle seat with adjustable backrest
US6030037A (en) * 1998-05-15 2000-02-29 Steelcase Inc. Horizontally nestable chair
NO982788L (no) * 1998-06-17 1999-12-20 Ring Mekanikk As Stolbeslag
DE19853041A1 (de) * 1998-11-18 2000-05-25 Stoll Sedus Ag Vorrichtung zur Synchronanpassung von Sitz und Rückenlehne eines Stuhles
DE19910083B4 (de) * 1999-03-08 2005-08-04 Daimlerchrysler Ag Fahrzeugsitz
USD463144S1 (en) 2000-09-28 2002-09-24 Formway Furniture Limited Chair
AU783829B2 (en) 2000-09-28 2005-12-08 Formway Furniture Limited A reclinable chair
USD445580S1 (en) 2000-09-28 2001-07-31 Formway Furniture Limited Chair
AUPR054400A0 (en) 2000-09-29 2000-10-26 Formway Furniture Limited A castor
US6609755B2 (en) * 2001-06-15 2003-08-26 Hon Technology Inc. Ergonomic chair
CN100569146C (zh) * 2002-07-23 2009-12-16 株式会社冈村制作所 椅子
ITVE20030014A1 (it) * 2003-04-10 2004-10-11 Imarc Spa Dispositivo di regolazione del grado di precarica delle molle in meccanismi di sedie da ufficio.
US7207629B2 (en) 2003-06-23 2007-04-24 Herman Miller, Inc. Tilt chair
DE10356190B4 (de) * 2003-12-02 2007-10-04 Christian Erker Sitzlehnenregulierung
JP2008512308A (ja) * 2004-09-03 2008-04-24 エフエムシー・テクノロジーズ・インコーポレーテッド ラベラ
US7857390B2 (en) * 2006-03-24 2010-12-28 Herman Miller, Inc. Piece of furniture
JP5490004B2 (ja) * 2007-09-20 2014-05-14 ハーマン、ミラー、インコーポレイテッド 身体支持構造
JP2014530056A (ja) 2011-09-21 2014-11-17 ハーマン、ミラー、インコーポレイテッドＨｅｒｍａｎ Ｍｉｌｌｅｒ Ｉｎｃｏｒｐｏｒａｔｅｄ 二段式ヘッドレスト、身体支持構造体、及びユーザ頭蓋を支持する方法
DE202014100062U1 (de) 2014-01-08 2015-04-10 Innotec Motion GmbH Sitzmöbel mit federnder Rückenlehne
CN106954966B (zh) * 2016-01-12 2024-06-04 广东精一家具股份有限公司 一种带倾仰力调节装置的座椅底盘
DE102016104638A1 (de) * 2016-03-14 2017-09-14 Burkhard Schmitz Stuhl
US11589678B2 (en) 2019-01-17 2023-02-28 Hni Technologies Inc. Chairs including flexible frames
CN113331620B (zh) * 2021-05-25 2023-12-05 安吉海龙家具有限公司 一种针对伏案办公的可调节式办公椅

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0259609A2 (fr) * 1986-09-08 1988-03-16 Girsberger Holding AG Chaise
EP0488278A1 (fr) * 1990-11-29 1992-06-03 Martin Bock Kunststoffverarbeitung Support de siège pour une chaise de bureau

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Publication number Priority date Publication date Assignee Title
US3830491A (en) * 1973-07-18 1974-08-20 R Christians Rockable chair for an amusement toy
DE8515221U1 (de) * 1985-05-23 1986-05-22 VOKO - Franz Vogt & Co, 6301 Pohlheim Sitzmöbel
IT1202168B (it) * 1985-07-18 1989-02-02 Coop Operai Mobilieri Poltrona anatomica
DE8614185U1 (de) * 1986-05-26 1986-07-17 Drabert Söhne GmbH & Co, 4950 Minden Stuhl
US4979778A (en) * 1989-01-17 1990-12-25 Brayton International, Inc. Synchrotilt chair
JP2919131B2 (ja) * 1991-10-22 1999-07-12 株式会社イトーキクレビオ 椅子の傾動制御装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0259609A2 (fr) * 1986-09-08 1988-03-16 Girsberger Holding AG Chaise
EP0488278A1 (fr) * 1990-11-29 1992-06-03 Martin Bock Kunststoffverarbeitung Support de siège pour une chaise de bureau

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1654959A1 (fr) 2004-11-09 2006-05-10 Girsberger Holding AG Chaise
DE102004053965A1 (de) * 2004-11-09 2006-05-11 Girsberger Holding Ag Stuhl
DE102004053965B4 (de) * 2004-11-09 2006-10-12 Girsberger Holding Ag Stuhl
WO2008043574A1 (fr) 2006-10-13 2008-04-17 Bock 1 Gmbh & Co. Kg Mécanisme pour chaise de bureau
US8146990B2 (en) 2006-10-13 2012-04-03 Bock 1 Gmbh & Co. Kg Mechanism for an office chair

Also Published As

Publication number Publication date
ATE154213T1 (de) 1997-06-15
EP0638265A3 (fr) 1995-06-28
JPH07148048A (ja) 1995-06-13
DE4327373C2 (de) 1997-07-17
EP0638265B1 (fr) 1997-06-11
JP3663217B2 (ja) 2005-06-22
DE59403089D1 (de) 1997-07-17
DE4327373A1 (de) 1995-02-16
US5547252A (en) 1996-08-20

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