US20070108820A1 - Structure for attaching spring - Google Patents

Structure for attaching spring Download PDF

Info

Publication number
US20070108820A1
US20070108820A1 US11/594,858 US59485806A US2007108820A1 US 20070108820 A1 US20070108820 A1 US 20070108820A1 US 59485806 A US59485806 A US 59485806A US 2007108820 A1 US2007108820 A1 US 2007108820A1
Authority
US
United States
Prior art keywords
attaching
backrest
chair
spring
frame elements
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.)
Abandoned
Application number
US11/594,858
Other languages
English (en)
Inventor
Nobuyuki Ueda
Toshiyuki Horiki
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.)
Kokuyo Furniture Co Ltd
Takano Co Ltd
Original Assignee
Kokuyo Furniture Co Ltd
Takano Co Ltd
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 Kokuyo Furniture Co Ltd, Takano Co Ltd filed Critical Kokuyo Furniture Co Ltd
Publication of US20070108820A1 publication Critical patent/US20070108820A1/en
Assigned to KOKUYO FURNITURE CO., LTD. reassignment KOKUYO FURNITURE CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: UEDA, NOBUYUKI, HORIKI, TOSHIYUKI
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/18—Leaf springs
    • F16F1/22—Leaf springs with means for modifying the spring characteristic
    • 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
US11/594,858 2005-11-11 2006-11-09 Structure for attaching spring Abandoned US20070108820A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2005328180A JP4614088B2 (ja) 2005-11-11 2005-11-11 バネの取付構造
JP2005328169A JP4721183B2 (ja) 2005-11-11 2005-11-11 バネの取付構造
JP2005-328180 2005-11-11
EP06125225A EP1927301A1 (en) 2005-11-11 2006-12-01 Structure for attaching spring

Publications (1)

Publication Number Publication Date
US20070108820A1 true US20070108820A1 (en) 2007-05-17

Family

ID=43480834

Family Applications (2)

Application Number Title Priority Date Filing Date
US11/594,858 Abandoned US20070108820A1 (en) 2005-11-11 2006-11-09 Structure for attaching spring
US11/594,836 Expired - Fee Related US7434879B2 (en) 2005-11-11 2006-11-09 Structure for attaching spring

Family Applications After (1)

Application Number Title Priority Date Filing Date
US11/594,836 Expired - Fee Related US7434879B2 (en) 2005-11-11 2006-11-09 Structure for attaching spring

Country Status (6)

Country Link
US (2) US20070108820A1 (ja)
EP (3) EP1808096B1 (ja)
JP (2) JP4721183B2 (ja)
CN (1) CN100586343C (ja)
AT (2) ATE464811T1 (ja)
DE (2) DE602006013767D1 (ja)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070108822A1 (en) * 2005-11-11 2007-05-17 Kokuyo Furniture Co., Ltd. Chair
US20070108821A1 (en) * 2005-11-11 2007-05-17 Kokuyo Furniture Co.,Ltd. Chair
US20070108831A1 (en) * 2005-11-11 2007-05-17 Kokuyo Furniture Co., Ltd. Structure for connecting members
US20070108819A1 (en) * 2005-11-11 2007-05-17 Kokuyo Furniture Co., Ltd. Chair
USD731833S1 (en) 2014-04-17 2015-06-16 Allsteel Inc. Chair
US9332851B2 (en) 2013-03-15 2016-05-10 Hni Technologies Inc. Chair with activated back flex
US9504331B2 (en) 2007-03-13 2016-11-29 Hni Technologies Inc. Dynamic chair back lumbar support system
USD796883S1 (en) 2014-10-15 2017-09-12 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
US10064493B2 (en) 2014-04-17 2018-09-04 Hni Technologies Inc. Flex lumbar support
US10206508B2 (en) * 2014-10-13 2019-02-19 Haworth, Inc. Chair, in particular office chair
US10477973B2 (en) * 2016-11-01 2019-11-19 Ergogenesis Workplace Solutions, Llc Ergonomic chair
US20200029695A1 (en) * 2017-02-03 2020-01-30 Zhejiang Sunon Furniture Manufacture Co., Ltd. Chair
US10799028B2 (en) * 2017-08-10 2020-10-13 NHI Corporation Chairs including flexible frames
US10927545B2 (en) 2010-05-05 2021-02-23 Allsteel Inc. Modular wall system
US11096492B2 (en) * 2017-10-06 2021-08-24 Co.Fe.Mo. Industrie S.R.L. Oscillation system for chairs
CN113384102A (zh) * 2020-03-11 2021-09-14 宣禹实业股份有限公司 椅背框扭动结构
US11135944B2 (en) * 2018-11-01 2021-10-05 Toyota Jidosha Kabushiki Kaisha Vehicle seat

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TWM325778U (en) * 2007-06-23 2008-01-21 Shuen Huang Attachment structure for a seat back
US8272692B1 (en) * 2009-10-26 2012-09-25 Epperson Ronald B Office chair having tiltable seat and back
KR20130133763A (ko) * 2010-10-19 2013-12-09 가부시끼가이샤 오까무라세이사꾸쇼 팔걸이 장착 의자
US8888190B2 (en) * 2011-10-14 2014-11-18 American Track Roadsters, Inc. Dynamic seating components for wheelchairs
DE102012107778B4 (de) * 2012-08-23 2018-08-16 Haworth Gmbh Stuhl, insbesondere Bürostuhl
USD697729S1 (en) 2012-09-20 2014-01-21 Steelcase Inc. Chair
US11304528B2 (en) 2012-09-20 2022-04-19 Steelcase Inc. Chair assembly with upholstery covering
USD699958S1 (en) 2012-09-20 2014-02-25 Steelcase Inc. Chair
USD698165S1 (en) 2012-09-20 2014-01-28 Steelcase Inc. Chair
USD694538S1 (en) 2012-09-20 2013-12-03 Steelcase Inc. Chair
USD697727S1 (en) 2012-09-20 2014-01-21 Steeelcase Inc. Chair
USD699959S1 (en) 2012-09-20 2014-02-25 Steelcase Inc. Chair
USD699957S1 (en) 2012-09-20 2014-02-25 Steelcase Inc. Chair
US11229294B2 (en) 2012-09-20 2022-01-25 Steelcase Inc. Chair assembly with upholstery covering
USD688907S1 (en) 2012-09-20 2013-09-03 Steelcase Inc. Arm assembly
USD697728S1 (en) 2012-09-20 2014-01-21 Steelcase Inc. Chair
USD683150S1 (en) 2012-09-20 2013-05-28 Steelcase Inc. Chair
USD697730S1 (en) 2012-09-20 2014-01-21 Steelcase Inc. Chair
USD698166S1 (en) 2012-09-20 2014-01-28 Steelcase Inc. Chair
USD698164S1 (en) 2012-09-20 2014-01-28 Steelcase Inc. Chair
USD701053S1 (en) 2012-09-20 2014-03-18 Steelcase Inc. Chair
US8998339B2 (en) 2012-09-20 2015-04-07 Steelcase Inc. Chair assembly with upholstery covering
USD697726S1 (en) 2012-09-20 2014-01-21 Steelcase Inc. Chair
USD694536S1 (en) 2012-09-20 2013-12-03 Steelcase Inc. Chair
USD694537S1 (en) 2012-09-20 2013-12-03 Steelcase Inc. Chair
USD694540S1 (en) 2012-09-20 2013-12-03 Steelcase Inc. Chair
USD702981S1 (en) 2012-09-20 2014-04-22 Steelcase Inc. Chair
USD694539S1 (en) 2012-09-20 2013-12-03 Steelcase Inc. Chair
USD699061S1 (en) 2012-09-20 2014-02-11 Steelcase Inc. Arm assembly
USD683151S1 (en) 2012-09-20 2013-05-28 Steelcase Inc. Chair
USD781605S1 (en) 2015-04-24 2017-03-21 Steelcase Inc. Chair
USD942767S1 (en) 2012-09-20 2022-02-08 Steelcase Inc. Chair assembly
USD695034S1 (en) 2012-11-13 2013-12-10 Steelcase Inc. Chair
US9138061B1 (en) * 2012-12-05 2015-09-22 Joel H. Eisenberg Seating
CN105263367A (zh) * 2013-06-06 2016-01-20 株式会社伊藤喜 椅子
US9237811B1 (en) * 2014-11-03 2016-01-19 Patra Co., Ltd. Chair with improved waist bearing power
USD758774S1 (en) 2015-04-24 2016-06-14 Steelcase Inc. Headrest assembly
USD781604S1 (en) 2015-04-24 2017-03-21 Steelcase Inc. Chair
USD760526S1 (en) 2015-04-24 2016-07-05 Steelcase Inc. Headrest assembly
USD759415S1 (en) 2015-04-24 2016-06-21 Steelcase Inc. Headrest
EP3691497B1 (en) * 2017-10-05 2024-04-24 Godrej & Boyce Mfg. Co. Ltd. Posture adaptive work chair
WO2019204714A1 (en) * 2018-04-19 2019-10-24 Cramer Llc Chair having pliable backrest and methods for same
USD888479S1 (en) * 2018-06-04 2020-06-30 Steelcase Inc. Chair arm
USD889152S1 (en) * 2018-06-05 2020-07-07 Herman Miller, Inc. Chair
WO2020079840A1 (ja) * 2018-10-19 2020-04-23 コクヨ株式会社 椅子
WO2020172243A1 (en) 2019-02-21 2020-08-27 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
JP7189811B2 (ja) * 2019-03-08 2022-12-14 株式会社フジ医療器 コントローラチェア
WO2020255195A1 (ja) * 2019-06-17 2020-12-24 株式会社クオリ 傾動椅子
US11357329B2 (en) 2019-12-13 2022-06-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11051624B1 (en) * 2020-02-27 2021-07-06 Comfordy Co., Ltd. Twistable chair backrest frame

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US7226127B1 (en) * 2005-12-21 2007-06-05 Tk Canada Limited Ergonomic chair backrest

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Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7857389B2 (en) 2005-11-11 2010-12-28 Kokuyo Furniture Co., Ltd Structure for connecting members
US7862120B2 (en) 2005-11-11 2011-01-04 Kokuyo Furniture Co., Ltd. Chair
US20070108819A1 (en) * 2005-11-11 2007-05-17 Kokuyo Furniture Co., Ltd. Chair
US7665805B2 (en) 2005-11-11 2010-02-23 Kokuyo Furniture Co., Ltd. Chair
US7712833B2 (en) 2005-11-11 2010-05-11 Kokuyo Furniture Co., Ltd. Structure for connecting members
US20100117422A1 (en) * 2005-11-11 2010-05-13 Kokuyo Furniture Co., Ltd Structure for connecting members
US7717513B2 (en) 2005-11-11 2010-05-18 Kokuyo Furniture Co., Ltd. Chair
US20070108831A1 (en) * 2005-11-11 2007-05-17 Kokuyo Furniture Co., Ltd. Structure for connecting members
US20070108822A1 (en) * 2005-11-11 2007-05-17 Kokuyo Furniture Co., Ltd. Chair
US20070108821A1 (en) * 2005-11-11 2007-05-17 Kokuyo Furniture Co.,Ltd. Chair
US9504331B2 (en) 2007-03-13 2016-11-29 Hni Technologies Inc. Dynamic chair back lumbar support system
US11725382B2 (en) 2010-05-05 2023-08-15 Allsteel Inc. Modular wall system
US10927545B2 (en) 2010-05-05 2021-02-23 Allsteel Inc. Modular wall system
US9332851B2 (en) 2013-03-15 2016-05-10 Hni Technologies Inc. Chair with activated back flex
US10172465B2 (en) 2013-03-15 2019-01-08 Hni Technologies Inc. Chair with activated back flex
US10893752B2 (en) 2013-03-15 2021-01-19 Hni Technologies Inc. Chair with activated back flex
USD731833S1 (en) 2014-04-17 2015-06-16 Allsteel Inc. Chair
US10064493B2 (en) 2014-04-17 2018-09-04 Hni Technologies Inc. Flex lumbar support
US10206508B2 (en) * 2014-10-13 2019-02-19 Haworth, Inc. Chair, in particular office chair
US9801470B2 (en) 2014-10-15 2017-10-31 Hni Technologies Inc. Molded chair with integrated support and method of making same
USD833193S1 (en) 2014-10-15 2018-11-13 Artco-Bell Corporation Chair
USD796883S1 (en) 2014-10-15 2017-09-12 Hni Technologies Inc. Chair
US10477973B2 (en) * 2016-11-01 2019-11-19 Ergogenesis Workplace Solutions, Llc Ergonomic chair
US20200029695A1 (en) * 2017-02-03 2020-01-30 Zhejiang Sunon Furniture Manufacture Co., Ltd. Chair
US10945529B2 (en) * 2017-02-03 2021-03-16 Zhejiang Sunon Furniture Manufacture Co., Ltd. Chair
US10799028B2 (en) * 2017-08-10 2020-10-13 NHI Corporation Chairs including flexible frames
US11096492B2 (en) * 2017-10-06 2021-08-24 Co.Fe.Mo. Industrie S.R.L. Oscillation system for chairs
US11135944B2 (en) * 2018-11-01 2021-10-05 Toyota Jidosha Kabushiki Kaisha Vehicle seat
CN113384102A (zh) * 2020-03-11 2021-09-14 宣禹实业股份有限公司 椅背框扭动结构

Also Published As

Publication number Publication date
EP1808096A1 (en) 2007-07-18
JP2007130345A (ja) 2007-05-31
ATE464811T1 (de) 2010-05-15
EP1927301A1 (en) 2008-06-04
DE602006007433D1 (de) 2009-08-06
US20070108818A1 (en) 2007-05-17
JP2007132477A (ja) 2007-05-31
JP4614088B2 (ja) 2011-01-19
JP4721183B2 (ja) 2011-07-13
CN1961783A (zh) 2007-05-16
EP1785065B1 (en) 2010-04-21
DE602006013767D1 (de) 2010-06-02
US7434879B2 (en) 2008-10-14
EP1808096B1 (en) 2009-06-24
EP1785065A1 (en) 2007-05-16
CN100586343C (zh) 2010-02-03
ATE434396T1 (de) 2009-07-15

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