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:
Apr. 07, 1987
Filed:
Jul. 25, 1985
NHK Spring Co., Ltd., Yokohama, JP;
Ikeda Bussan Co. Ltd., Yokohama, JP;
Abstract
This invention includes an armrest having a combination of a ratchet mechanism with a cam for locking the armrest in an arbitrary inclined state. Three supporting shafts are secured to an armrest frame. A ratchet wheel of semicircular shape includes gear teeth. A first cam is integrally fixed to a circumferential portion of a bracket in which the first supporting shaft is inserted. A second supporting shaft is secured to the armrest frame. A pawl and a second cam are integrally secured to each other. The second cam and the pawl are rotated integrally around the second supporting shaft. The third supporting shaft is fixed to the armrest frame between the first supporting shaft and the second supporting shaft. A third cam is pivotally secured to the third rotatably supporting shaft.