STRETCHING STRUCTURE OF STRETCHING MATERIAL IN CHAIR AND BACKREST OF CHAIR

Title:

STRETCHING STRUCTURE OF STRETCHING MATERIAL IN CHAIR AND BACKREST OF CHAIR

Document Type and Number:

WIPO Patent Application WO/2006/041078

Kind Code:

A1

Abstract:

A stretching structure of a stretching material in a chair in which the ratio of the rear frame of a backrest to the outline of the chair is small, design is smart, weight is reduced, the number of parts is reduced, and assemblability is improved and the backrest of the chair. In the chair having the backrest (10) formed by stretching the stretching material (23) on the front surface of the rear frame (17), the rear frame (17) comprises a front frame (18) to which the peripheral edge part of the stretching material (23) is fixed and an upper reinforcement frame rod (26). The laterally facing upper reinforcement frame rod (26) is connected at its both ends to both ends of the laterally facing upper frame rod (18a) at the top of the front frame (18) with the center part of the upper reinforcement frame rod separated backward from the upper frame rod (18a).

Inventors:

MASUNAGA HIROSHI (JP)
NARITA TETSUYA (JP)
IGARASHI RYO (JP)
KIYOKU AKIRA (JP)
NAKAYAMA KEN (JP)

Application Number:

PCT/JP2005/018771

Publication Date:

April 20, 2006

Filing Date:

October 12, 2005

Export Citation:

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Assignee:

OKAMURA CORP (JP)
MASUNAGA HIROSHI (JP)
NARITA TETSUYA (JP)
IGARASHI RYO (JP)
KIYOKU AKIRA (JP)
NAKAYAMA KEN (JP)

International Classes:

A47C31/02; A47C7/40

Foreign References:

JP2003510115A	2003-03-18
JP2003284625A	2003-10-07
JP2004188009A	2004-07-08
JP2004159745A	2004-06-10

Other References: