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. 28, 2004
Filed:
Jul. 15, 2002
Applicant:
Inventors:
Hiroki Nishii, Kanagawa, JP;
Nobuo Goto, Kanagawa, JP;
Assignee:
NSK Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 1/538 ;
U.S. Cl.
CPC ...
F16H 1/538 ;
Abstract
An output side disk includes a penetration hole for penetration of an input shaft therethrough, and a securing groove formed in the inner peripheral surface of the penetration hole for preventing a needle roller bearing from slipping out in the axis O direction of the input shaft. The first connecting portion R of the securing groove is formed as a surface the section of which has an arc-like shape of a large radius of curvature, whereas the second connecting portion R of the securing groove is formed as a surface the section of which has an arc-like shape of a small radius of curvature.