EP2668871A4 - Chair backrest device - Google Patents
Chair backrest deviceInfo
- Publication number
- EP2668871A4 EP2668871A4 EP11857303.9A EP11857303A EP2668871A4 EP 2668871 A4 EP2668871 A4 EP 2668871A4 EP 11857303 A EP11857303 A EP 11857303A EP 2668871 A4 EP2668871 A4 EP 2668871A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- chair backrest
- backrest device
- chair
- 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.)
- Granted
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
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2011/051607 WO2012101803A1 (en) | 2011-01-27 | 2011-01-27 | Chair backrest device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP2668871A1 EP2668871A1 (en) | 2013-12-04 |
| EP2668871A4 true EP2668871A4 (en) | 2014-08-27 |
| EP2668871B1 EP2668871B1 (en) | 2017-07-19 |
Family
ID=46580406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11857303.9A Not-in-force EP2668871B1 (en) | 2011-01-27 | 2011-01-27 | Chair backrest device |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20130313884A1 (en) |
| EP (1) | EP2668871B1 (en) |
| CN (1) | CN103391733A (en) |
| WO (1) | WO2012101803A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087916A (en) * | 2017-07-06 | 2017-08-25 | 姚燕芳 | Ergonomics chair |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050104428A1 (en) * | 2002-01-28 | 2005-05-19 | Walker Brock M. | Sacral support member for seating |
| CA2742008A1 (en) * | 2008-10-29 | 2010-05-06 | Okamura Corporation | Chair backrest |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3512831A (en) * | 1964-08-24 | 1970-05-19 | Hyland C Flint | Spring seat |
| GB1126734A (en) * | 1965-04-09 | 1968-09-11 | Pirelli Ltd | Articles of furniture upholstery supports and a method of mounting said supports |
| GB1133701A (en) * | 1965-04-21 | 1968-11-13 | Pirelli Ltd | Articles of furniture, upholstery supports and a method of mounting said supports |
| JPS6270851U (en) * | 1985-10-25 | 1987-05-06 | ||
| JPH01199426A (en) | 1988-02-04 | 1989-08-10 | Canon Inc | Manufacture of semiconductor device |
| JP3200409B2 (en) * | 1998-04-06 | 2001-08-20 | 愛知株式会社 | Seat stretching method, chair seat and backrest |
| JP2002119366A (en) | 2000-10-16 | 2002-04-23 | Kokuyo Co Ltd | Chair |
| JP4477766B2 (en) * | 2000-10-30 | 2010-06-09 | 株式会社岡村製作所 | Chair backboard |
| JP2002219985A (en) * | 2001-01-24 | 2002-08-06 | Delta Tooling Co Ltd | Seat for vehicle |
| US7014269B2 (en) * | 2001-06-15 | 2006-03-21 | Hon Technology Inc. | Chair back construction |
| US6983997B2 (en) * | 2001-06-29 | 2006-01-10 | Haworth, Inc. | Chair having a suspension seat assembly |
| US6550866B1 (en) * | 2002-01-24 | 2003-04-22 | Tung-Hua Su | Chair backrest with ventilating function |
| US6698830B1 (en) * | 2002-12-31 | 2004-03-02 | Ronald K. Gaines | Portable seat and storage apparatus |
| US20040262975A1 (en) * | 2003-06-27 | 2004-12-30 | Tung-Hua Su | Backrest assembly |
| JP4818601B2 (en) * | 2004-10-13 | 2011-11-16 | 株式会社岡村製作所 | Chair with hanger |
| JP2007125221A (en) * | 2005-11-04 | 2007-05-24 | Okamura Corp | Backrest device of chair |
| JP4904519B2 (en) * | 2006-01-30 | 2012-03-28 | コクヨ株式会社 | Chair |
| WO2008112918A1 (en) * | 2007-03-13 | 2008-09-18 | Hni Technologies Inc. | Dynamic chair back lumbar support system |
| EP2215931A4 (en) * | 2007-11-02 | 2011-04-13 | Okamura Corp | Backrest of chair and its fixing device |
| JP5472964B2 (en) * | 2008-09-12 | 2014-04-16 | コクヨ株式会社 | Chair |
| JP5437724B2 (en) * | 2009-07-27 | 2014-03-12 | 株式会社岡村製作所 | Chair backrest device |
| WO2011099522A1 (en) * | 2010-02-10 | 2011-08-18 | 株式会社岡村製作所 | Stretching structure of chair upholstery material |
-
2011
- 2011-01-27 EP EP11857303.9A patent/EP2668871B1/en not_active Not-in-force
- 2011-01-27 WO PCT/JP2011/051607 patent/WO2012101803A1/en active Application Filing
- 2011-01-27 CN CN2011800660928A patent/CN103391733A/en active Pending
- 2011-01-27 US US13/982,097 patent/US20130313884A1/en not_active Abandoned
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050104428A1 (en) * | 2002-01-28 | 2005-05-19 | Walker Brock M. | Sacral support member for seating |
| CA2742008A1 (en) * | 2008-10-29 | 2010-05-06 | Okamura Corporation | Chair backrest |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2012101803A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20130313884A1 (en) | 2013-11-28 |
| EP2668871B1 (en) | 2017-07-19 |
| CN103391733A (en) | 2013-11-13 |
| WO2012101803A1 (en) | 2012-08-02 |
| EP2668871A1 (en) | 2013-12-04 |
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| A4 | Supplementary search report drawn up and despatched |
Effective date: 20140724 |
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| RIC1 | Information provided on ipc code assigned before grant |
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