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:
Mar. 16, 2010
Filed:
Nov. 07, 2006
Masato Horie, Fujisawa, JP;
Yoichi Takada, Fujisawa, JP;
Masato Horie, Fujisawa, JP;
Yoichi Takada, Fujisawa, JP;
Shiroki Kogyo Co., Ltd, Fujisawa-shi, JP;
Abstract
The present invention relates to a reclining device that includes an external teeth gear and an internal teeth gear and in which the rotation axis of one of the external teeth gear and the internal teeth gear revolves around the rotation axis of the other. The present invention aims to provide a reclining device of which the operation force is small and the operation force varies little. To achieve the aim, one of (a) the plane of each of the external teeththat engages with the internal teethand (b) the plane of each of the internal teeththat engages with the external teethis arranged to be flat, and the other of (a) and (b) is arranged to be convex.