EP2910148A4 - Chair - Google Patents

Chair

Info

Publication number
EP2910148A4
EP2910148A4 EP13846276.7A EP13846276A EP2910148A4 EP 2910148 A4 EP2910148 A4 EP 2910148A4 EP 13846276 A EP13846276 A EP 13846276A EP 2910148 A4 EP2910148 A4 EP 2910148A4
Authority
EP
European Patent Office
Prior art keywords
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.)
Withdrawn
Application number
EP13846276.7A
Other languages
German (de)
French (fr)
Other versions
EP2910148A1 (en
Inventor
Ryo Igarashi
Syouichi Izawa
Hiroshi Masunaga
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
Application filed by Okamura Corp filed Critical Okamura Corp
Publication of EP2910148A1 publication Critical patent/EP2910148A1/en
Publication of EP2910148A4 publication Critical patent/EP2910148A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C5/00—Chairs of special materials
    • 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
    • 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
EP13846276.7A 2012-10-18 2013-10-17 Chair Withdrawn EP2910148A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012230929 2012-10-18
PCT/JP2013/078166 WO2014061732A1 (en) 2012-10-18 2013-10-17 Chair

Publications (2)

Publication Number Publication Date
EP2910148A1 EP2910148A1 (en) 2015-08-26
EP2910148A4 true EP2910148A4 (en) 2016-05-25

Family

ID=50488292

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13846276.7A Withdrawn EP2910148A4 (en) 2012-10-18 2013-10-17 Chair

Country Status (5)

Country Link
US (1) US20150265058A1 (en)
EP (1) EP2910148A4 (en)
JP (1) JP6300416B2 (en)
CN (1) CN104736017B (en)
WO (1) WO2014061732A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014220695A1 (en) * 2014-10-13 2016-04-28 Haworth Gmbh Chair, especially office chair
US11259637B2 (en) 2015-04-13 2022-03-01 Steelcase Inc. Seating arrangement
US10194750B2 (en) * 2015-04-13 2019-02-05 Steelcase Inc. Seating arrangement
MX2017013130A (en) * 2015-04-13 2018-03-07 Steelcase Inc Seating arrangement.
US10463153B2 (en) * 2016-06-09 2019-11-05 Steelcase Inc. Seating arrangement
CN109788851B (en) 2016-09-29 2022-05-27 斯迪尔科斯公司 Compliant seat structure
JP2018075885A (en) * 2016-11-07 2018-05-17 トヨタ自動車株式会社 Vehicle seat structure
USD827352S1 (en) 2017-05-25 2018-09-04 Steelcase Inc. Seating arrangement
US10799028B2 (en) 2017-08-10 2020-10-13 NHI Corporation Chairs including flexible frames
JP1607139S (en) * 2017-09-29 2018-06-18
JP1607138S (en) * 2017-09-29 2018-06-18
US11291305B2 (en) 2017-12-05 2022-04-05 Steelcase Inc. Compliant backrest
US10813463B2 (en) 2017-12-05 2020-10-27 Steelcase Inc. Compliant backrest
WO2019204714A1 (en) 2018-04-19 2019-10-24 Cramer Llc Chair having pliable backrest and methods for same
US10426269B1 (en) 2018-04-30 2019-10-01 Buzz Seating, Inc. Chair with appendage accommodations
JP7295627B2 (en) * 2018-10-09 2023-06-21 株式会社イトーキ Chair
WO2020172243A1 (en) 2019-02-21 2020-08-27 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11324323B2 (en) 2019-09-18 2022-05-10 Steelcase Inc. Body support member with lattice structure
US11357329B2 (en) 2019-12-13 2022-06-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
USD971623S1 (en) * 2020-06-28 2022-12-06 Tao Yang Office chair
USD950290S1 (en) * 2021-07-09 2022-05-03 Foshan Zhongyang Furniture Co., Ltd. Office chair

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070108831A1 (en) * 2005-11-11 2007-05-17 Kokuyo Furniture Co., Ltd. Structure for connecting members
CN202135994U (en) * 2011-06-04 2012-02-08 陈敏 Seat back mounting structure
US8251448B2 (en) * 2007-03-13 2012-08-28 Hni Technologies Inc. Dynamic chair back lumbar support system
WO2013164078A1 (en) * 2012-05-04 2013-11-07 Sander, Armin Chair, in particular office chair

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2282367Y (en) * 1997-01-03 1998-05-27 陈大中 Folding armchair
JP3589015B2 (en) * 1998-03-31 2004-11-17 株式会社岡村製作所 Chair backrest support device
CN1330907A (en) * 2000-06-09 2002-01-16 普罗科德有限公司 Chair with synchronous swing seat and back
US6609755B2 (en) * 2001-06-15 2003-08-26 Hon Technology Inc. Ergonomic chair
WO2003068025A2 (en) 2002-02-13 2003-08-21 Herman Miller, Inc. Tilt chair having a flexible back, adjustable armrests and asjustable seat depth, and methods for the use thereof
CA2829902C (en) * 2005-03-01 2014-07-15 Haworth, Inc. Chair back with lumbar and pelvic supports
JP4719905B2 (en) * 2005-10-27 2011-07-06 コクヨ株式会社 Chair
JP3118464U (en) * 2005-11-10 2006-01-26 株式会社クオリ Chair backrest stretch structure
US7874619B2 (en) * 2007-01-29 2011-01-25 Allseating Corporation Adjustable lumbar support for a chair back
JP5276304B2 (en) 2007-11-09 2013-08-28 株式会社内田洋行 Chair backrest structure
JP5543117B2 (en) * 2009-02-25 2014-07-09 株式会社岡村製作所 Chair backrest device
JP5378747B2 (en) * 2008-10-16 2013-12-25 株式会社岡村製作所 Chair
US8449037B2 (en) * 2010-04-13 2013-05-28 Herman Miller, Inc. Seating structure with a contoured flexible backrest
US8408647B2 (en) * 2010-05-21 2013-04-02 Yao-Chuan Wu Movable chair backrest
US9510684B2 (en) * 2010-06-15 2016-12-06 Johann Burkhard Schmitz Chair
TWM414875U (en) * 2011-06-24 2011-11-01 Fuh Shyan Co Ltd Elastic leaning and restoration device of lifting back of office chair

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070108831A1 (en) * 2005-11-11 2007-05-17 Kokuyo Furniture Co., Ltd. Structure for connecting members
US8251448B2 (en) * 2007-03-13 2012-08-28 Hni Technologies Inc. Dynamic chair back lumbar support system
CN202135994U (en) * 2011-06-04 2012-02-08 陈敏 Seat back mounting structure
WO2013164078A1 (en) * 2012-05-04 2013-11-07 Sander, Armin Chair, in particular office chair

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014061732A1 *

Also Published As

Publication number Publication date
CN104736017B (en) 2017-04-05
CN104736017A (en) 2015-06-24
WO2014061732A1 (en) 2014-04-24
JP6300416B2 (en) 2018-03-28
US20150265058A1 (en) 2015-09-24
JPWO2014061732A1 (en) 2016-09-05
EP2910148A1 (en) 2015-08-26

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20150416

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20160426

RIC1 Information provided on ipc code assigned before grant

Ipc: A47C 7/40 20060101AFI20160420BHEP

Ipc: A47C 1/032 20060101ALI20160420BHEP

Ipc: A47C 7/44 20060101ALI20160420BHEP

Ipc: A47C 7/46 20060101ALI20160420BHEP

17Q First examination report despatched

Effective date: 20190716

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 20200901