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:
Aug. 28, 2012
Filed:
Oct. 28, 2008
Hiroaki Tsukiji, Yokohama, JP;
Eisuke Hara, Yokohama, JP;
Hiroaki Tsukiji, Yokohama, JP;
Eisuke Hara, Yokohama, JP;
Okamura Corporation, Kanagawa, JP;
Abstract
A backrest of chair in which the lower part of a back frame can be concealed neatly by a stretching material. In the backrest device of a chair where a bag like stretching material () knitted or woven in the shape of mesh and opening downward is stretched across a back frame () formed by coupling the upper ends of right and left side frames () directing the vertical direction by an upper frame () directing the right and left direction, and coupling the lower ends of both the side frames () by a lower frame () which can be fixed to a backrest supporting rod () erected from the upper rear of the seat body of the chair, upper portion of the stretching material () is made air permeable, and at least a part at the lower portion of the stretching material () covering the lower frame () is made non-translucent.