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.
Patent No.:
Date of Patent:
Jan. 14, 1986
Filed:
Nov. 09, 1984
Applicant:
Inventors:
Susumu Hatsutta, Akishima, JP;
Takayuki Kosaka, Akishima, JP;
Assignee:
Tachikawa Spring Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47C / ;
U.S. Cl.
CPC ...
297284 ; 297460 ;
Abstract
An improved lumbar support device for use in a seat back of a vehicle seat is disclosed in which upper and lower lumbar plates are mounted in two stages independent of each other and each of the lumbar plates is connected via a connecting member to an arm engageable with a polyhedral cam, whereby the above-mentioned upper and lower lumbar plates can be moved and operated independently of each other by rotating the polyhedral cam by means of rotation of a handle shaft.