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:
Dec. 31, 2002
Filed:
Jul. 30, 2001
Applicant:
Inventors:
Assignee:
Ts Tech Co., Ltd., Saitama-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47C 7/30 ;
U.S. Cl.
CPC ...
A47C 7/30 ;
Abstract
A seat back frame assembly of the invention has side frame members ( ), an upper frame member ( ), a lower frame member ( ) and zigzag spring ( ) mounted between the side frame members ( ). A side portion ( ) of the lower frame member has a main connection portion ( ) and a sub-connection portion ( ), both of which are fixed to the side frame member ( ). The main connection portion ( ) is positioned below the zigzag spring ( ). The sub-connection portion ( ) is inclined toward a front upper side so that the sub-connection portion and the zigzag spring are at least partly overlapped with each other in a front-and-back direction.