JP4719905B2 - 椅子 - Google Patents
椅子 Download PDFInfo
- Publication number
- JP4719905B2 JP4719905B2 JP2005328154A JP2005328154A JP4719905B2 JP 4719905 B2 JP4719905 B2 JP 4719905B2 JP 2005328154 A JP2005328154 A JP 2005328154A JP 2005328154 A JP2005328154 A JP 2005328154A JP 4719905 B2 JP4719905 B2 JP 4719905B2
- Authority
- JP
- Japan
- Prior art keywords
- frame elements
- chair
- frame
- backrest surface
- backrest
- 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.)
- Active
Links
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 description 24
- 230000007246 mechanism Effects 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000009466 transformation Effects 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000036544 posture Effects 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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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
- 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
- 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
- A47C31/02—Upholstery attaching means
- A47C31/023—Upholstery attaching means connecting upholstery to frames, e.g. by hooks, clips, snap fasteners, clamping means or the like
-
- 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
-
- 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
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/445—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs
-
- 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
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/445—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs
- A47C7/4454—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs of torsion type
Description
1…背凭れ
12…張り部材
131a、131b…下フレーム要素
141a、141b…上フレーム要素
142…弾性横架材
151a、151b…反力フレーム要素
17…ヒンジ
Claims (8)
- 幅方向に離間させて配置した複数のフレーム要素により背凭れ面の上部を支持させた背凭れを具備する椅子であって、
各フレーム要素を互いに独立して前後動可能とし、
背凭れ面の上部を支持する複数のフレーム要素を弾性変形可能な横架材を介して相互に連結していることを特徴とする椅子。 - 背凭れ面の上部を支持する複数の上フレーム要素の各々を、背凭れ面の下部を支持する下フレーム要素を変位させることなく個別に前後方向に変位させ得るものとした請求項1記載の椅子。
- 前記上フレーム要素を前記下フレーム要素にそれぞれヒンジを介して連結して、上フレーム要素の一方を他方に対し相対的に後傾させ得るようにした請求項2記載の椅子。
- 背凭れ面の上部を支持するフレーム要素の背面に連接し弾性変形により反力を蓄積する、複数のフレーム要素の各々を支持する同数の反力フレーム要素を設けている請求項1、2または3記載の椅子。
- 前記横架材は、後方に凹むように湾曲している請求項1、2、3または4記載の椅子。
- 前記横架材は、前記フレーム要素を幅方向に離反させるような初期弾性力を発揮する状態で組み付けてある請求項1、2、3、4または5記載の椅子。
- 前記横架材は、平面視湾曲形状をなす状態で組み付けてあり、前記フレーム要素の一方が他方に対し相対的に前後動するに際して曲率を減少させるように変形する請求項1、2、3、4、5または6記載の椅子。
- 複数のフレーム要素の前面に弾性変形可能な張り部材を張り設けて背凭れ面を構成している請求項1、2、3、4、5、6または7記載の椅子。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005328154A JP4719905B2 (ja) | 2005-10-27 | 2005-11-11 | 椅子 |
CNB2006100639612A CN100566631C (zh) | 2005-10-27 | 2006-10-27 | 椅子 |
US11/594,857 US7862120B2 (en) | 2005-11-11 | 2006-11-09 | Chair |
DE200660004821 DE602006004821D1 (de) | 2005-11-11 | 2006-11-10 | Sitz mit flexibler Rücklehne |
EP20060123871 EP1785070B1 (en) | 2005-11-11 | 2006-11-10 | Chair with flexible backrest |
AT06123871T ATE420577T1 (de) | 2005-11-11 | 2006-11-10 | Sitz mit flexibler rücklehne |
JP2011022959A JP2011120933A (ja) | 2005-10-27 | 2011-02-04 | 椅子 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005313581 | 2005-10-27 | ||
JP2005313581 | 2005-10-27 | ||
JP2005328154A JP4719905B2 (ja) | 2005-10-27 | 2005-11-11 | 椅子 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011022959A Division JP2011120933A (ja) | 2005-10-27 | 2011-02-04 | 椅子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007143571A JP2007143571A (ja) | 2007-06-14 |
JP4719905B2 true JP4719905B2 (ja) | 2011-07-06 |
Family
ID=37669592
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005328154A Active JP4719905B2 (ja) | 2005-10-27 | 2005-11-11 | 椅子 |
JP2011022959A Pending JP2011120933A (ja) | 2005-10-27 | 2011-02-04 | 椅子 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011022959A Pending JP2011120933A (ja) | 2005-10-27 | 2011-02-04 | 椅子 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7862120B2 (ja) |
EP (1) | EP1785070B1 (ja) |
JP (2) | JP4719905B2 (ja) |
CN (1) | CN100566631C (ja) |
AT (1) | ATE420577T1 (ja) |
DE (1) | DE602006004821D1 (ja) |
Families Citing this family (81)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5002835B2 (ja) * | 2005-10-27 | 2012-08-15 | コクヨ株式会社 | 部材の接続構造 |
JP4747311B2 (ja) * | 2005-11-11 | 2011-08-17 | コクヨ株式会社 | 椅子 |
JP4945781B2 (ja) * | 2005-11-11 | 2012-06-06 | コクヨ株式会社 | 椅子 |
US20080067850A1 (en) * | 2006-09-19 | 2008-03-20 | Permobil Ab | Backrest for a chair |
US8251448B2 (en) * | 2007-03-13 | 2012-08-28 | Hni Technologies Inc. | Dynamic chair back lumbar support system |
EP2252179B1 (en) * | 2008-05-26 | 2012-07-11 | Steelcase Inc. | Conforming back for a seating unit |
JP2010099106A (ja) * | 2008-10-21 | 2010-05-06 | Itoki Corp | 椅子用背もたれ及び椅子 |
JP5524564B2 (ja) * | 2009-10-19 | 2014-06-18 | 株式会社岡村製作所 | 椅子の背凭れ |
US8272692B1 (en) * | 2009-10-26 | 2012-09-25 | Epperson Ronald B | Office chair having tiltable seat and back |
CA2798444C (en) | 2010-05-05 | 2023-02-28 | Eberhard Von Huene & Associates Inc. | Moveable and demountable wall panel system for butt-glazed wall panels |
CN103167816A (zh) * | 2010-10-19 | 2013-06-19 | 株式会社冈村制作所 | 带扶手的椅子 |
DE102011100708B4 (de) | 2011-05-06 | 2013-07-11 | Haworth, Inc. | Sitzmöbel, insbesondere Bürostuhl |
DE102011104972B4 (de) | 2011-06-08 | 2015-03-05 | Haworth, Inc. | Sitzmöbel, insbesondere Bürostuhl |
US8888190B2 (en) | 2011-10-14 | 2014-11-18 | American Track Roadsters, Inc. | Dynamic seating components for wheelchairs |
JP5970203B2 (ja) * | 2012-03-05 | 2016-08-17 | コクヨ株式会社 | 椅子 |
US9609952B2 (en) | 2012-05-04 | 2017-04-04 | Itoki Corporation | Chair, especially, office chair |
DE102012107778B4 (de) * | 2012-08-23 | 2018-08-16 | Haworth Gmbh | Stuhl, insbesondere Bürostuhl |
WO2014031819A1 (en) | 2012-08-23 | 2014-02-27 | Lear Corporation | Thoracic region comfort seating system |
EP2887835B1 (en) | 2012-08-23 | 2018-04-18 | Lear Corporation | Thoracic support structure and a seat with the thoracic support member |
US11304528B2 (en) | 2012-09-20 | 2022-04-19 | Steelcase Inc. | Chair assembly with upholstery covering |
US11229294B2 (en) | 2012-09-20 | 2022-01-25 | Steelcase Inc. | Chair assembly with upholstery covering |
USD697726S1 (en) | 2012-09-20 | 2014-01-21 | Steelcase Inc. | Chair |
US8998339B2 (en) | 2012-09-20 | 2015-04-07 | Steelcase Inc. | Chair assembly with upholstery covering |
CN104736017B (zh) * | 2012-10-18 | 2017-04-05 | 株式会社冈村制作所 | 椅子 |
CN105407763B (zh) | 2013-03-15 | 2018-07-27 | 霍沃思公司 | 办公椅 |
WO2014144143A1 (en) | 2013-03-15 | 2014-09-18 | Hni Technologies Inc. | Chair with activated back flex |
US20160135603A1 (en) * | 2013-06-06 | 2016-05-19 | Itoki Corporation | Chair |
WO2015064500A1 (ja) * | 2013-10-29 | 2015-05-07 | 株式会社岡村製作所 | 椅子 |
JP5646725B2 (ja) * | 2013-12-26 | 2014-12-24 | 株式会社イトーキ | ロッキング椅子 |
US9462889B2 (en) | 2014-02-13 | 2016-10-11 | Pro-Cord S.P.A. | Chair with a seat and backrest movable in a synchronized way |
US10064493B2 (en) | 2014-04-17 | 2018-09-04 | Hni Technologies Inc. | Flex lumbar support |
USD731833S1 (en) | 2014-04-17 | 2015-06-16 | Allsteel Inc. | Chair |
DE102014220695A1 (de) * | 2014-10-13 | 2016-04-28 | Haworth Gmbh | Stuhl, insbesondere Bürostuhl |
USD743180S1 (en) | 2014-10-15 | 2015-11-17 | Hni Technologies Inc. | Chair |
US9801470B2 (en) | 2014-10-15 | 2017-10-31 | Hni Technologies Inc. | Molded chair with integrated support and method of making same |
CN107072398B (zh) * | 2014-10-24 | 2020-07-07 | 株式会社冈村制作所 | 家具、椅子用负荷支撑部件以及椅子 |
DE102015204492A1 (de) * | 2015-03-12 | 2016-09-15 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg | Massageeinrichtung für einen Fahrzeugsitz |
US10194750B2 (en) | 2015-04-13 | 2019-02-05 | Steelcase Inc. | Seating arrangement |
MY189850A (en) | 2015-04-13 | 2022-03-14 | Steelcase Inc | Seating arrangement |
US11259637B2 (en) | 2015-04-13 | 2022-03-01 | Steelcase Inc. | Seating arrangement |
US9986839B2 (en) * | 2015-04-30 | 2018-06-05 | Mity-Lite, Inc. | Banquet chair with outer spring |
US9648957B2 (en) * | 2015-08-05 | 2017-05-16 | Dongguan Kentec Office Seating Co., Ltd. | Chair with back tilt adjustment structure |
JP6670069B2 (ja) * | 2015-09-30 | 2020-03-18 | 株式会社イトーキ | 椅子 |
US11122901B2 (en) | 2016-02-05 | 2021-09-21 | Formway Furniture Limited | Chair and components |
USD779255S1 (en) | 2016-02-12 | 2017-02-21 | Haworth, Inc. | Headrest for a chair |
USD779253S1 (en) | 2016-02-12 | 2017-02-21 | Haworth, Inc. | Back support for a chair |
US10182657B2 (en) | 2016-02-12 | 2019-01-22 | Haworth, Inc. | Back support for a chair |
USD782859S1 (en) | 2016-02-12 | 2017-04-04 | Haworth, Inc. | Back support for a chair |
USD784749S1 (en) | 2016-02-12 | 2017-04-25 | Haworth, Inc. | Lumbar support for a chair |
USD779254S1 (en) | 2016-02-12 | 2017-02-21 | Haworth, Inc. | Armrests for a chair |
USD793787S1 (en) | 2016-02-12 | 2017-08-08 | Haworth, Inc. | Portion of a back support for a chair |
USD779252S1 (en) | 2016-02-12 | 2017-02-21 | Haworth, Inc. | Back support for a chair |
USD779248S1 (en) | 2016-02-12 | 2017-02-21 | Haworth, Inc. | Armrests for a chair |
USD782241S1 (en) | 2016-02-12 | 2017-03-28 | Haworth, Inc. | Back support for a chair |
USD779251S1 (en) | 2016-02-12 | 2017-02-21 | Haworth, Inc. | Lumbar support for a chair |
USD779250S1 (en) | 2016-02-12 | 2017-02-21 | Haworth, Inc. | Portion of a back support for a chair |
DE102016102556A1 (de) * | 2016-02-15 | 2017-08-17 | Interstuhl Büromöbel GmbH & Co. KG | Rückenlehne für einen Bürostuhl |
EP3468417A4 (en) * | 2016-06-11 | 2019-10-30 | Humanscale Corporation | ARTICULATED BACKING SEAT |
US10477973B2 (en) * | 2016-11-01 | 2019-11-19 | Ergogenesis Workplace Solutions, Llc | Ergonomic chair |
US10945529B2 (en) * | 2017-02-03 | 2021-03-16 | Zhejiang Sunon Furniture Manufacture Co., Ltd. | Chair |
AU2018344896A1 (en) * | 2017-10-05 | 2020-05-21 | Godrej & Boyce Mfg. Co. Ltd., | Posture adaptive work chair |
KR101852110B1 (ko) * | 2017-10-18 | 2018-04-25 | (주) 파트라 | 후렉시블 등판부를 구비한 의자 |
US10694855B2 (en) * | 2018-04-12 | 2020-06-30 | Zhejiang Motostuhl Furniture Co., Ltd | Ergonomic chair |
WO2019204714A1 (en) * | 2018-04-19 | 2019-10-24 | Cramer Llc | Chair having pliable backrest and methods for same |
US10932571B2 (en) * | 2018-05-31 | 2021-03-02 | Ofs Brands Holdings Inc. | Rotatable chair back |
EP3868256B1 (en) * | 2018-10-19 | 2023-11-29 | Kokuyo Co., Ltd. | Chair |
JP7059896B2 (ja) * | 2018-11-01 | 2022-04-26 | トヨタ自動車株式会社 | 車両用シート |
US11589678B2 (en) * | 2019-01-17 | 2023-02-28 | Hni Technologies Inc. | Chairs including flexible frames |
US11109683B2 (en) | 2019-02-21 | 2021-09-07 | Steelcase Inc. | Body support assembly and method for the use and assembly thereof |
US11357329B2 (en) | 2019-12-13 | 2022-06-14 | Steelcase Inc. | Body support assembly and methods for the use and assembly thereof |
USD937024S1 (en) | 2020-02-19 | 2021-11-30 | Steelcase Inc. | Backrest |
USD961280S1 (en) | 2020-02-19 | 2022-08-23 | Steelcase Inc. | Chair |
USD936985S1 (en) * | 2020-02-19 | 2021-11-30 | Steelcase Inc. | Chair |
USD936984S1 (en) * | 2020-02-19 | 2021-11-30 | Steelcase Inc. | Chair |
USD961281S1 (en) * | 2020-02-19 | 2022-08-23 | Steelcase Inc. | Chair |
USD935824S1 (en) | 2020-02-19 | 2021-11-16 | Steelcase Inc. | Seat |
USD937595S1 (en) * | 2020-02-19 | 2021-12-07 | Steelcase Inc. | Chair |
USD961317S1 (en) * | 2020-02-19 | 2022-08-23 | Steelcase Inc. | Backrest |
US11051624B1 (en) * | 2020-02-27 | 2021-07-06 | Comfordy Co., Ltd. | Twistable chair backrest frame |
USD974784S1 (en) * | 2020-12-09 | 2023-01-10 | Humanscale Corporation | Seat |
CN114098335B (zh) * | 2021-11-17 | 2024-01-19 | 安吉合萱家居有限公司 | 一种椅子 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000023778A (ja) * | 1998-07-09 | 2000-01-25 | Okamura Corp | 椅 子 |
JP2002119366A (ja) * | 2000-10-16 | 2002-04-23 | Kokuyo Co Ltd | 椅 子 |
JP2002119373A (ja) * | 2000-10-16 | 2002-04-23 | Kokuyo Co Ltd | 椅 子 |
JP2002119357A (ja) * | 2000-10-16 | 2002-04-23 | Kokuyo Co Ltd | 折り曲げリンク機構 |
JP2002119375A (ja) * | 2000-10-16 | 2002-04-23 | Kokuyo Co Ltd | 椅 子 |
Family Cites Families (73)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US293813A (en) | 1884-02-19 | Chair | ||
US2083838A (en) | 1934-05-19 | 1937-06-15 | Fritz Cross Company | Chair |
NL62657C (ja) | 1945-04-13 | 1949-03-15 | ||
US2538507A (en) | 1946-03-29 | 1951-01-16 | Roy A Cramer | Adjustable chair |
CH390484A (de) | 1961-01-14 | 1965-04-15 | Stoll Kg Christof | Drehstuhl |
DE2360165C2 (de) | 1973-12-03 | 1982-11-25 | Drabert Söhne Minden (Westf.), 4950 Minden | Sitzmöbel mit schwenkbarer Rückenlehne |
US4157203A (en) | 1977-05-09 | 1979-06-05 | Center For Design Research And Development N.V. | Articulated double back for chairs |
US4090700A (en) | 1977-07-26 | 1978-05-23 | Davis Robert E | Spring assister |
DE3139448C2 (de) | 1981-10-03 | 1984-06-07 | Kusch & Co Sitzmöbelwerke KG, 5789 Hallenberg | Stuhl |
CH662257A5 (de) | 1983-07-20 | 1987-09-30 | Syntech Sa | Arbeitsstuhl. |
US4549764A (en) | 1983-09-14 | 1985-10-29 | K. L. Spring & Stamping Corporation | Flexible chair back |
CA1184108A (en) | 1984-04-09 | 1985-03-19 | David W. Smith | Suspension arrangement for a tilting chair |
JPS6141028A (ja) | 1984-07-31 | 1986-02-27 | Hino Motors Ltd | 繊維強化樹脂製板ばね |
GB8425908D0 (en) | 1984-10-12 | 1984-11-21 | Anderle E | Seat with dynamic lumbar support |
DE3630503A1 (de) | 1986-09-08 | 1988-03-10 | Girsberger Holding Ag | Stuhl |
US4709963A (en) | 1986-12-12 | 1987-12-01 | Milsco Manufacturing Company | Adjustable office chair |
DE3860611D1 (de) | 1987-01-30 | 1990-10-25 | Equus Marketing Ag | Stuhl, insbesondere buerostuhl mit einem sitz und einer mehrteiligen rueckenlehne. |
FR2627968A1 (fr) | 1988-03-07 | 1989-09-08 | Eurosit | Siege articule |
US4869552A (en) | 1988-09-14 | 1989-09-26 | Shelby Williams Industries, Inc. | Flexible backrest assembly for a chair |
US4911501A (en) | 1989-06-09 | 1990-03-27 | Harter Corporation | Suspension mechanism for connecting chair backs and seats to a pedestal |
US5172930A (en) | 1991-03-06 | 1992-12-22 | Boye Brian A | Load leveling attachment for leaf spring suspension and method therefor |
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 |
US5249839A (en) | 1991-11-12 | 1993-10-05 | Steelcase Inc. | Split back chair |
DE59200011D1 (de) | 1992-01-20 | 1993-10-14 | Stoll Kg Christof | Rückenlehne für einen Bürostuhl. |
JP2616332B2 (ja) | 1992-02-07 | 1997-06-04 | コクヨ株式会社 | 引出し施錠装置 |
AU7244294A (en) | 1993-06-02 | 1994-12-20 | Sava Cvek | Articulated support chair |
DE9313841U1 (de) * | 1993-09-13 | 1993-12-16 | Zapf Otto | Rückenlehne eines Sitzmöbels |
DK172786B1 (da) | 1995-05-02 | 1999-07-19 | Haag As | Møbel med to op til hinanden liggende drejelige støttedele |
US6149236A (en) * | 1996-10-14 | 2000-11-21 | Vitra Patents Ag | Chair frame, control mechanism and upholstery |
US6120097A (en) * | 1996-11-07 | 2000-09-19 | Perry; Charles Owen | Flexible chair with adjustable support frame |
US5887946A (en) * | 1997-01-03 | 1999-03-30 | Raftery Design, Inc. | Chair with movable back support |
US5951109A (en) | 1997-04-30 | 1999-09-14 | Haworth, Inc. | Chairback with side torsional movement |
US6220661B1 (en) | 1999-04-19 | 2001-04-24 | Steelcase Development Inc. | Chair back and method of assembly |
US6086153A (en) | 1997-10-24 | 2000-07-11 | Steelcase Inc. | Chair with reclineable back and adjustable energy mechanism |
DE19754817A1 (de) * | 1997-12-10 | 1999-06-17 | Stoll Sedus Ag | Rückenlehne |
DE29802360U1 (de) | 1998-02-12 | 1999-06-10 | Vogtherr Burkhard | Funktionsstuhl |
EP0970637A1 (de) | 1998-07-07 | 2000-01-12 | Provenda Marketing Ag | Arbeitsstuhl mit Sitztiefenverstellung |
JP3874392B2 (ja) | 1998-07-09 | 2007-01-31 | 株式会社岡村製作所 | 椅子 |
WO2000022959A1 (de) | 1998-10-20 | 2000-04-27 | Protoned B.V. | Stuhlmechanik |
EP1191863A4 (en) | 1999-06-17 | 2004-06-09 | Steelcase Inc | CHAIR DESIGN |
US6729688B2 (en) | 2000-03-24 | 2004-05-04 | Giroflex-Entwicklungs-Ag | Seat and backseat assembly for seating, in particular office chairs |
US6406096B1 (en) | 2000-03-31 | 2002-06-18 | Shelby Williams Industries, Inc. | Seat spring system |
DE10026475A1 (de) | 2000-05-27 | 2001-12-06 | Haworth Bueroeinrichtung Gmbh | Stuhl |
DE10194640B4 (de) | 2000-10-16 | 2008-03-27 | Kokuyo Co., Ltd. | Stuhl |
WO2002032269A1 (fr) | 2000-10-16 | 2002-04-25 | Kokuyo Co., Ltd. | Chaise |
EP1234529A4 (en) | 2000-10-16 | 2004-08-11 | Kokuyo Kk | CHAIR |
WO2002069762A2 (en) | 2001-02-23 | 2002-09-12 | Krueger International, Inc. | Flexible bar-type back pivot mounting arrangement for a chair |
US6623078B2 (en) | 2001-04-30 | 2003-09-23 | First Source Furniture Group Llc | Adjustable height chair arm supported on back upright |
US6572190B2 (en) | 2001-06-15 | 2003-06-03 | Hon Technology Inc. | Lumbar support for a chair |
US6585320B2 (en) | 2001-06-15 | 2003-07-01 | Virco Mgmt. Corporation | Tilt control mechanism for a tilt back chair |
US6609755B2 (en) | 2001-06-15 | 2003-08-26 | Hon Technology Inc. | Ergonomic chair |
US6565153B2 (en) | 2001-07-31 | 2003-05-20 | Johnson Controls Technology Corporation | Upper back support for a seat |
DE10147021B4 (de) | 2001-09-25 | 2004-12-23 | Heyde, Marcus, Dipl.-Designer | Gestell für ein Sitzmöbel |
US20030127896A1 (en) | 2001-12-14 | 2003-07-10 | Deimen Michael L. | Chair with lumbar support and conforming back |
US6517156B1 (en) | 2002-02-04 | 2003-02-11 | Chang-Chen Lin | Backrest structure for a leisure chair |
GB2400312B (en) | 2002-02-13 | 2006-07-26 | Miller Herman Inc | Back support structure |
JP2003265256A (ja) | 2002-03-15 | 2003-09-24 | Kokuyo Co Ltd | 椅 子 |
DE10215285A1 (de) | 2002-04-07 | 2003-10-16 | Christian Erker | Sitzschale mit Neigungs-Konturkoppelungsmechanismus |
JP4159316B2 (ja) * | 2002-07-17 | 2008-10-01 | タカノ株式会社 | 背凭れの取付構造 |
US20040066075A1 (en) * | 2002-10-07 | 2004-04-08 | Chin-Chung Yeh | Structure for adjusting backrest for collapsible chairs |
US20040140701A1 (en) | 2002-10-15 | 2004-07-22 | Burkhard Schmitz | Backrest for a seating structure with an adjustable sacral support |
US6695403B1 (en) | 2002-12-14 | 2004-02-24 | Tung-Hua Su | Backrest supporting assembly |
US6767066B1 (en) * | 2003-01-09 | 2004-07-27 | Patrician Furniture Co. | Articulated chair for health care |
ES2269841T3 (es) | 2003-02-16 | 2007-04-01 | Sedus Stoll Ag | Respaldo. |
USD497264S1 (en) | 2003-09-29 | 2004-10-19 | Steelcase S.A. | Seat |
US6843530B1 (en) | 2003-12-23 | 2005-01-18 | Yao-Chuan Wu | Multi-stage backrest assembly |
US7273253B2 (en) | 2004-06-09 | 2007-09-25 | Kimball International, Inc. | Chair ride mechanism with tension assembly |
US7396079B2 (en) * | 2005-03-08 | 2008-07-08 | Steelcase Inc. | Seating with shape-changing back support frame |
JP5002835B2 (ja) | 2005-10-27 | 2012-08-15 | コクヨ株式会社 | 部材の接続構造 |
JP4945781B2 (ja) | 2005-11-11 | 2012-06-06 | コクヨ株式会社 | 椅子 |
JP4721183B2 (ja) | 2005-11-11 | 2011-07-13 | コクヨ株式会社 | バネの取付構造 |
JP4747311B2 (ja) | 2005-11-11 | 2011-08-17 | コクヨ株式会社 | 椅子 |
US7226127B1 (en) * | 2005-12-21 | 2007-06-05 | Tk Canada Limited | Ergonomic chair backrest |
-
2005
- 2005-11-11 JP JP2005328154A patent/JP4719905B2/ja active Active
-
2006
- 2006-10-27 CN CNB2006100639612A patent/CN100566631C/zh not_active Expired - Fee Related
- 2006-11-09 US US11/594,857 patent/US7862120B2/en not_active Expired - Fee Related
- 2006-11-10 DE DE200660004821 patent/DE602006004821D1/de active Active
- 2006-11-10 EP EP20060123871 patent/EP1785070B1/en not_active Expired - Fee Related
- 2006-11-10 AT AT06123871T patent/ATE420577T1/de not_active IP Right Cessation
-
2011
- 2011-02-04 JP JP2011022959A patent/JP2011120933A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000023778A (ja) * | 1998-07-09 | 2000-01-25 | Okamura Corp | 椅 子 |
JP2002119366A (ja) * | 2000-10-16 | 2002-04-23 | Kokuyo Co Ltd | 椅 子 |
JP2002119373A (ja) * | 2000-10-16 | 2002-04-23 | Kokuyo Co Ltd | 椅 子 |
JP2002119357A (ja) * | 2000-10-16 | 2002-04-23 | Kokuyo Co Ltd | 折り曲げリンク機構 |
JP2002119375A (ja) * | 2000-10-16 | 2002-04-23 | Kokuyo Co Ltd | 椅 子 |
Also Published As
Publication number | Publication date |
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CN100566631C (zh) | 2009-12-09 |
EP1785070B1 (en) | 2009-01-14 |
US7862120B2 (en) | 2011-01-04 |
JP2011120933A (ja) | 2011-06-23 |
EP1785070A1 (en) | 2007-05-16 |
US20070108821A1 (en) | 2007-05-17 |
DE602006004821D1 (de) | 2009-03-05 |
JP2007143571A (ja) | 2007-06-14 |
ATE420577T1 (de) | 2009-01-15 |
CN1981671A (zh) | 2007-06-20 |
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