Title:
CHAIR
Document Type and Number:
WIPO Patent Application WO/2015/064500
Kind Code:
A1
Abstract:
The present invention uses a configuration in which the following are provided: a backrest (6) having a receiving surface component (20) that comes into contact with a sitter and receives a load; a backrest support member (7) that supports the backrest (6) from behind; and a curved-shape changing means (8) that changes the curved shape of the receiving surface component (20) by relatively moving, forward and backward, a center part (24) and both end parts (25), which are all in the width direction, of the backrest (6). In addition, the present invention is a chair (111) including a backrest (106), and uses a configuration in which the backrest (106) has the following: a frame member that has openings (27) in a frame and is deformable so that a center part and end parts in the width direction can be relatively moved forward and backward; and a tensioned member (122) which is provided to the openings (27) in a tensioned manner and which is configured so as to be divided into a left-right tensioned region (T11) in which a tensioned region that is in the width direction and is provided to the openings (27) in a tensioned manner is deformed conforming to the deformation of the frame member, and into a center tensioned region (T12) that is not as deformed, relatively, as the left-right tensioned region (T11).
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JP2876840 | [Title of Invention] Seat back structure |
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Inventors:
MASUNAGA HIROSHI (JP)
TSUKIJI HIROAKI (JP)
IGARASHI RYO (JP)
IZAWA SYOUICHI (JP)
TSUKIJI HIROAKI (JP)
IGARASHI RYO (JP)
IZAWA SYOUICHI (JP)
Application Number:
PCT/JP2014/078341
Publication Date:
May 07, 2015
Filing Date:
October 24, 2014
Export Citation:
Assignee:
OKAMURA CORP (JP)
International Classes:
A47C7/46
Foreign References:
US20100164266A1 | 2010-07-01 | |||
US6755467B1 | 2004-06-29 | |||
JP2000079034A | 2000-03-21 | |||
US20050184568A1 | 2005-08-25 | |||
US20050121954A1 | 2005-06-09 |
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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