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:
Jan. 01, 2019
Filed:
Sep. 26, 2014
Applicant:
Nsk Ltd., Tokyo, JP;
Inventors:
Hiroyasu Yoshioka, Fujisawa, JP;
Eiji Inoue, Fujisawa, JP;
Takashi Imanishi, Fujisawa, JP;
Hirotaka Kishida, Fujisawa, JP;
Assignee:
NSK LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 15/50 (2006.01); F16H 13/08 (2006.01); F16H 55/56 (2006.01); F16H 25/18 (2006.01); F16H 57/08 (2006.01); F16H 63/06 (2006.01); F16H 63/30 (2006.01);
U.S. Cl.
CPC ...
F16H 15/50 (2013.01); F16H 13/08 (2013.01); F16H 25/186 (2013.01); F16H 55/56 (2013.01); F16H 57/08 (2013.01); F16H 63/065 (2013.01); F16H 63/3023 (2013.01); F16H 2057/087 (2013.01);
Abstract
Projections protruding towards a cam plate and a disc are provided on both axial side surfaces of the retainer at a plurality of positions at which phases of the projections in the circumferential direction are offset from pockets. One axial direction surface of the cam plate and the disc are formed with concave portions at portions facing the respective projections. The concave portions have an axial depth deepest at a center portion thereof in the circumferential direction and becoming shallower towards both end portions thereof.