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. 05, 2014
Filed:
Oct. 19, 2010
Ken Nakayama, Kanagawa, JP;
Kouichirou Wakizono, Kanagawa, JP;
Ryou Igarashi, Kanagawa, JP;
Okamura Corporation, Yokohama-shi, Kanagawa, JP;
Abstract
A backrest for a chair, including a bag-like upholstery material, with which a back frame is upholstered by fitting the bag-like upholstery material onto the back frame that has a pair of right and left side frames extending in an up-down direction. A low-friction member is disposed on at least one of an inner surface of both side portions of the upholstery material and an outer surface of the right and left side frames contacting the inner surface of the side portions of the upholstery material, the low-friction member being configured to reduce a sliding resistance in an area of contact between the upholstery material and the side frames.