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. 29, 2004
Filed:
Jun. 20, 2000
Applicant:
Inventor:
Zooey Chu, Grand Rapids, MI (US);
Assignee:
Global Total Office, Downsview, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47C 3/25 ;
U.S. Cl.
CPC ...
A47C 3/25 ;
Abstract
A backrest for use with a chair includes a support structure. The support structure has a rigid outer rim and flexible inner back support section. The support section consist of a number of generally parallel slats (vertically extending members) which seperately support parallel longitudinal sections of the person's back. Each slat produces a force against the person's back responsive to the weight placed on the slat by the person's back. As the person shifts positions, each slat moves to dynamically provide an increased or decreased force against the person's back, depending on whether the person is applying an increased or decreased force against the slat.