EP2359717A4 - Chair backrest - Google Patents

Chair backrest

Info

Publication number
EP2359717A4
EP2359717A4 EP09823317.4A EP09823317A EP2359717A4 EP 2359717 A4 EP2359717 A4 EP 2359717A4 EP 09823317 A EP09823317 A EP 09823317A EP 2359717 A4 EP2359717 A4 EP 2359717A4
Authority
EP
European Patent Office
Prior art keywords
chair backrest
backrest
chair
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
EP09823317.4A
Other languages
German (de)
French (fr)
Other versions
EP2359717A1 (en
EP2359717B1 (en
Inventor
Ryo Igarashi
Ken Nakayama
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.)
Okamura Corp
Original Assignee
Okamura Corp
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 JP2008277530A external-priority patent/JP5512951B2/en
Priority claimed from JP2009054129A external-priority patent/JP5616585B2/en
Application filed by Okamura Corp filed Critical Okamura Corp
Publication of EP2359717A1 publication Critical patent/EP2359717A1/en
Publication of EP2359717A4 publication Critical patent/EP2359717A4/en
Application granted granted Critical
Publication of EP2359717B1 publication Critical patent/EP2359717B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/36Support for the head or the back
    • A47C7/40Support for the head or the back for the back
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/36Support for the head or the back
    • A47C7/40Support for the head or the back for the back
    • A47C7/44Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/446Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with fluid springs
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/36Support for the head or the back
    • A47C7/40Support for the head or the back for the back
    • A47C7/46Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
EP09823317.4A 2008-10-29 2009-10-28 Chair backrest Not-in-force EP2359717B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008277530A JP5512951B2 (en) 2008-10-29 2008-10-29 Chair back
JP2009054129A JP5616585B2 (en) 2009-03-06 2009-03-06 Chair backrest device
PCT/JP2009/005705 WO2010050204A1 (en) 2008-10-29 2009-10-28 Chair backrest

Publications (3)

Publication Number Publication Date
EP2359717A1 EP2359717A1 (en) 2011-08-24
EP2359717A4 true EP2359717A4 (en) 2013-10-16
EP2359717B1 EP2359717B1 (en) 2014-11-26

Family

ID=42128575

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09823317.4A Not-in-force EP2359717B1 (en) 2008-10-29 2009-10-28 Chair backrest

Country Status (6)

Country Link
US (1) US20110204694A1 (en)
EP (1) EP2359717B1 (en)
KR (1) KR20110090904A (en)
CN (1) CN102202546A (en)
CA (1) CA2742008A1 (en)
WO (1) WO2010050204A1 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8449037B2 (en) * 2010-04-13 2013-05-28 Herman Miller, Inc. Seating structure with a contoured flexible backrest
JP5600032B2 (en) * 2010-06-11 2014-10-01 株式会社岡村製作所 Furniture fabric
JP5571470B2 (en) * 2010-06-11 2014-08-13 株式会社岡村製作所 Chair
CN102946763B (en) * 2010-06-11 2015-07-15 株式会社冈村制作所 Furniture fabric and chair
US8998337B2 (en) 2010-09-27 2015-04-07 Seizou Miyamoto Backrest chair, and a sheet material for use thereon
CN103391733A (en) * 2011-01-27 2013-11-13 株式会社冈村制作所 Chair backrest device
US11304528B2 (en) 2012-09-20 2022-04-19 Steelcase Inc. Chair assembly with upholstery covering
US8998339B2 (en) 2012-09-20 2015-04-07 Steelcase Inc. Chair assembly with upholstery covering
US11229294B2 (en) 2012-09-20 2022-01-25 Steelcase Inc. Chair assembly with upholstery covering
JP6204011B2 (en) * 2012-10-16 2017-09-27 株式会社岡村製作所 The structure of tensioning the tension material on the frame and the backrest of the chair using it
JP6123239B2 (en) * 2012-11-06 2017-05-10 コクヨ株式会社 Chair skin material
USD708466S1 (en) 2013-05-16 2014-07-08 Steelcase Inc. Chair
USD705561S1 (en) 2013-05-16 2014-05-27 Steelcase Inc. Chair
USD704945S1 (en) 2013-05-16 2014-05-20 Steelcase Inc. Chair
WO2016063973A1 (en) * 2014-10-24 2016-04-28 株式会社岡村製作所 Furniture, load supporting member for chair, and chair
EP3210498B1 (en) * 2014-10-24 2019-06-12 Okamura Corporation Furniture, load supporting member for chair, and chair
JP6552083B2 (en) * 2014-10-24 2019-07-31 株式会社オカムラ Chair load bearing member and chair
CN111432687B (en) * 2017-12-05 2023-11-07 斯蒂尔凯斯有限公司 Compliant backrest
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060202534A1 (en) * 2005-03-08 2006-09-14 Heidmann Kurt R Seating with shape-changing back support frame
DE202007004659U1 (en) * 2007-03-28 2007-06-14 Bremen-Kühne, Sema von Protective cover for furniture is made of an elastic fabric retained by tensioning fittings, e.g. an elastic tape

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19754817A1 (en) 1997-12-10 1999-06-17 Stoll Sedus Ag backrest
AU783829B2 (en) * 2000-09-28 2005-12-08 Formway Furniture Limited A reclinable chair
US6609755B2 (en) * 2001-06-15 2003-08-26 Hon Technology Inc. Ergonomic chair
DE10215285A1 (en) * 2002-04-07 2003-10-16 Christian Erker Seat shell with tilt-contour coupling mechanism
US6869142B2 (en) * 2002-09-12 2005-03-22 Steelcase Development Corporation Seating unit having motion control
US7025424B2 (en) * 2004-06-07 2006-04-11 Allseating Corporation Chair back for a chair
USD528810S1 (en) * 2004-09-27 2006-09-26 Okamura Corporation Chair
USD534384S1 (en) * 2005-04-07 2007-01-02 Tung-Hua Su Backrest for a chair
USD545582S1 (en) * 2006-01-17 2007-07-03 Yao-Chuan Wu Chair
CN101801241B (en) * 2007-03-13 2013-06-05 Hni技术公司 Dynamic chair back lumbar support system
JP2008277530A (en) 2007-04-27 2008-11-13 Renesas Technology Corp Nonvolatile semiconductor memory device
TWI334559B (en) 2007-08-28 2010-12-11 Ind Tech Res Inst Interactive pointing device
USD576813S1 (en) * 2008-02-22 2008-09-16 Ivars S.P.A. Office chair
CA145425S (en) * 2011-10-31 2012-12-13 Okamura Corp Chair

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060202534A1 (en) * 2005-03-08 2006-09-14 Heidmann Kurt R Seating with shape-changing back support frame
DE202007004659U1 (en) * 2007-03-28 2007-06-14 Bremen-Kühne, Sema von Protective cover for furniture is made of an elastic fabric retained by tensioning fittings, e.g. an elastic tape

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010050204A1 *

Also Published As

Publication number Publication date
US20110204694A1 (en) 2011-08-25
EP2359717A1 (en) 2011-08-24
EP2359717B1 (en) 2014-11-26
CN102202546A (en) 2011-09-28
CA2742008A1 (en) 2010-05-06
WO2010050204A1 (en) 2010-05-06
KR20110090904A (en) 2011-08-10

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