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:
Sep. 12, 2017
Filed:
Feb. 28, 2014
Bizen Hatsujo Co., Ltd., Okayama-shi, JP;
Bizen Hatsujo Co., Ltd., Okayama-shi, unknown;
Abstract
A headrest () includes a stay (), a framework () supported by the stay () in a turnable manner toward a head of a sitting person, and supporting the head thereof, a shaft member () to be actuated in conjunction with the turning of the framework (), and turning at a larger angle than a turning angle of the framework (), and a coil spring () including a coil () wound around a pivot portion () of the shaft member () in a direction tightening the shaft member () when the framework () turns to the opposite side to the head side of the sitting person, and supports the head of the sitting person.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile