The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 16, 2006

Filed:

Jan. 29, 2004
Applicants:

Etsunori Fujita, Hiroshima, JP;

Kazuyoshi Chizuka, Hiroshima, JP;

Seiji Kawasaki, Hiroshima, JP;

Yasuhide Takata, Hiroshima, JP;

Yumi Ogura, Hiroshima, JP;

Eiichi Yasuda, Owariasahi, JP;

Shun'ichi Doi, Nagoya, JP;

Kazukata Takei, Nishikamo-gun, JP;

Inventors:

Etsunori Fujita, Hiroshima, JP;

Kazuyoshi Chizuka, Hiroshima, JP;

Seiji Kawasaki, Hiroshima, JP;

Yasuhide Takata, Hiroshima, JP;

Yumi Ogura, Hiroshima, JP;

Eiichi Yasuda, Owariasahi, JP;

Shun'ichi Doi, Nagoya, JP;

Kazukata Takei, Nishikamo-gun, JP;

Assignee:

Delta Tooling Co., Ltd., Hiroshima, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47C 3/025 (2006.01); A47C 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A seat structure includes a torsion bardisposed along the width direction in the vicinity of the bottom end of a back frame, a pelvis supporting plateis connected to the torsion bar, and a flat-type supporting memberfor the seat back is engaged with the vicinity of the bottom end of the pelvis supporting plateand strained. Slack of the flat-type supporting membercan be eliminated by the pelvis supporting plateto enhance the appearance. Further, a vibration inputted from the seat back side, and vibrates as if patting on the back of the human body can be absorbed by an elastic force of the torsion bar


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