GB2487502A - Back support device for a chair - Google Patents

Back support device for a chair Download PDF

Info

Publication number
GB2487502A
GB2487502A GB1206698.1A GB201206698A GB2487502A GB 2487502 A GB2487502 A GB 2487502A GB 201206698 A GB201206698 A GB 201206698A GB 2487502 A GB2487502 A GB 2487502A
Authority
GB
United Kingdom
Prior art keywords
backrest
support
chair
horizontal direction
user
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
GB1206698.1A
Other versions
GB201206698D0 (en
GB2487502B (en
Inventor
Kwan-Young Jung
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.)
Duoback Korea Co Ltd
Original Assignee
Duoback Korea 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 Duoback Korea Co Ltd filed Critical Duoback Korea Co Ltd
Publication of GB201206698D0 publication Critical patent/GB201206698D0/en
Publication of GB2487502A publication Critical patent/GB2487502A/en
Application granted granted Critical
Publication of GB2487502B publication Critical patent/GB2487502B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • A47C7/448—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with resilient blocks
    • 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
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
    • 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
    • A47C7/405—Support for the head or the back for the back with double backrests
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

The present invention is applicable to a chair having one backrest having one single backrest instead of duo back type backrest having two backrests aligned side by side in the horizontal direction. An object of the present invention is to provide the back support for an ergonomic chair, which can minimize the movement of a user's back in the horizontal direction when the one back type backrest is pushed back and rotate the backrest in the horizontal direction along with the horizontal movement of the user's back when the one back type backrest is in its upright position. To this end, the back support device for a chair of the present invention comprises: a one back type backrest for supporting both sides of a user's back all together; a backrest support for supporting the backrest; a fixing unit disposed between an upper part of the backrest and the backrest support, for fixing the upper part of the backrest to the backrest support; and an elastic unit disposed between a lower part of the backrest and the backrest support, for providing the lower part of the backrest with an elastic force to be movable in the horizontal direction relative to the backrest support when an external force is applied to the backrest.
GB1206698.1A 2009-09-25 2010-09-27 Back support device for a chair Active GB2487502B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020090091285A KR101044429B1 (en) 2009-09-25 2009-09-25 Back supporting apparatus of a chair
PCT/KR2010/006553 WO2011037430A2 (en) 2009-09-25 2010-09-27 Back support device for a chair

Publications (3)

Publication Number Publication Date
GB201206698D0 GB201206698D0 (en) 2012-05-30
GB2487502A true GB2487502A (en) 2012-07-25
GB2487502B GB2487502B (en) 2016-03-02

Family

ID=43796405

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1206698.1A Active GB2487502B (en) 2009-09-25 2010-09-27 Back support device for a chair

Country Status (4)

Country Link
KR (1) KR101044429B1 (en)
DE (1) DE112010003801T5 (en)
GB (1) GB2487502B (en)
WO (1) WO2011037430A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10463153B2 (en) 2016-06-09 2019-11-05 Steelcase Inc. Seating arrangement

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD827352S1 (en) 2017-05-25 2018-09-04 Steelcase Inc. Seating arrangement
CN112754208A (en) * 2020-12-30 2021-05-07 永艺家具股份有限公司 Ergonomic seat
KR102527958B1 (en) * 2021-07-12 2023-05-04 (주)광일체어 A chair with a backrest to which a self-tilting intermittent structure is applied

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100508132B1 (en) * 2004-09-15 2005-08-18 박종근 Back of a chair
KR100684204B1 (en) * 2006-04-20 2007-02-22 주식회사 리바트 Chair
JP2007319288A (en) * 2006-05-31 2007-12-13 Okamura Corp Chair
JP2008119221A (en) * 2006-11-10 2008-05-29 Okamura Corp Backrest device of chair

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5044693A (en) * 1989-10-31 1991-09-03 Tachi-S Co., Ltd. Seat back structure of an automotive seat
JP3953723B2 (en) * 2000-09-11 2007-08-08 シロキ工業株式会社 Lumber support device for vehicle seat
JP4664192B2 (en) * 2005-11-25 2011-04-06 株式会社タチエス Seat back frame
US7717512B2 (en) * 2007-10-23 2010-05-18 Toyota Boshoku Kabushiki Kaisha Seat backs for vehicular seats
JP5085603B2 (en) * 2009-04-24 2012-11-28 本田技研工業株式会社 Seat back device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100508132B1 (en) * 2004-09-15 2005-08-18 박종근 Back of a chair
KR100684204B1 (en) * 2006-04-20 2007-02-22 주식회사 리바트 Chair
JP2007319288A (en) * 2006-05-31 2007-12-13 Okamura Corp Chair
JP2008119221A (en) * 2006-11-10 2008-05-29 Okamura Corp Backrest device of chair

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10463153B2 (en) 2016-06-09 2019-11-05 Steelcase Inc. Seating arrangement
US10813459B2 (en) 2016-06-09 2020-10-27 Steelcase Inc. Seating arrangement

Also Published As

Publication number Publication date
WO2011037430A9 (en) 2011-06-30
GB201206698D0 (en) 2012-05-30
WO2011037430A3 (en) 2011-08-18
WO2011037430A2 (en) 2011-03-31
GB2487502B (en) 2016-03-02
KR20110033696A (en) 2011-03-31
DE112010003801T5 (en) 2012-11-08
KR101044429B1 (en) 2011-06-29

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