CHAIR - OKAMURA CORP

Title:

CHAIR

Document Type and Number:

WIPO Patent Application WO/2011/155557

Kind Code:

A1

Abstract:

Provided is a chair in which the rear section of the seat can be raised with good lateral balance, in which the seat is stable, and that has a simple structure and a good appearance. The disclosed chair includes a seat (6) that is pivotally attached by means of a laterally-oriented pivot shaft (9) to a support base (5) supported by (a) leg(s), the rear section of the seat (6) being pivotable in the vertical direction. In said chair, an urging means (12) that urges the seat (6) upward is constructed so as to include: an elastic expanding-and-contracting component (13) that connects a portion of the support base (5) located below the pivot shaft (9) and a portion of the seat (6) located to the rear of the pivot shaft (9); and a pair of leaf-spring-like elastic warping components (14) provided on the right and left sides of the elastic expanding-and-contracting component (13).

Inventors:

MASUNAGA HIROSHI (JP)
ODA YOICHIRO (JP)
FUJITA HISATO (JP)
IZAWA SHOICHI (JP)
IGARASHI RYO (JP)

Application Number:

PCT/JP2011/063231

Publication Date:

December 15, 2011

Filing Date:

June 09, 2011

Export Citation:

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Assignee:

OKAMURA CORP (JP)
MASUNAGA HIROSHI (JP)
ODA YOICHIRO (JP)
FUJITA HISATO (JP)
IZAWA SHOICHI (JP)
IGARASHI RYO (JP)

International Classes:

A47C7/14; A47C3/026; A47C7/44; A47C7/56

Foreign References:

JP2007319273A	2007-12-13
JP2001029169A	2001-02-06
JPH0351038U	1991-05-17
JP2010104562A	2010-05-13
JP4379538B1	2009-12-09
JPH0531965Y2	1993-08-17
JP2005211244A	2005-08-11
JP2006087616A	2006-04-06

Other References: