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:
Jun. 22, 2004
Filed:
Nov. 18, 2002
Applicant:
Inventor:
Wolfgang Deisig, Berlin, DE;
Assignee:
TK Canada Limited, Downsview, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47C 1/02 ;
U.S. Cl.
CPC ...
A47C 1/02 ;
Abstract
An adjustable work chair such as an office chair has a height-adjustable seat comprising a front seat part ( ) and a rear seat part ( ) connected by a hinge ( ) that extends transversely of the seat. A first arm ( ) is coupled between the front part of the seat and the head of a fixed part ( ) of a seat lift ( ), and a second arm ( ) is coupled between an extendable piston of the lift ( ) and the underside of the rear part ( ) of the seat.