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. 28, 2020
Filed:
Mar. 13, 2018
Applicant:
Nsk-warner K.k., Shinagawa-ku, Tokyo, JP;
Inventors:
Taichiro Ishikawa, Fukuroi, JP;
Tomoyuki Kirino, Fukuroi, JP;
Assignee:
NSK-WARNER K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 25/12 (2006.01); F16D 48/02 (2006.01); F16H 57/04 (2010.01); F16D 25/0638 (2006.01);
U.S. Cl.
CPC ...
F16D 25/14 (2013.01); F16D 25/0638 (2013.01); F16H 57/0472 (2013.01); F16D 2300/12 (2013.01);
Abstract
Provided is a multiplate wet clutch having capability of preventing damage of an axial groove portion formed in an inner cylindrical portion of a shaft. An inner cylindrical portionof the shaft is formed with an axial groovewhich is opened to a circumferential grooveand with which other members of the multiplate wet clutch for regulating movement of a retaining ringtoward axially on the other side are to be engaged. A pressure plateis formed, on a surfaceaxially on the other side thereof, with a recessed portionaxially opposed to an opening portionof the axial groovethrough the retaining ring