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. 11, 2018
Filed:
Mar. 03, 2016
Applicant:
Nsk-warner K.k., Shinagawa-ku, Tokyo, JP;
Inventors:
Assignee:
NSK-WARNER K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 13/68 (2006.01); F16D 13/64 (2006.01); F16D 65/12 (2006.01); F16D 69/04 (2006.01); F16D 25/0638 (2006.01);
U.S. Cl.
CPC ...
F16D 13/68 (2013.01); F16D 13/648 (2013.01); F16D 13/683 (2013.01); F16D 65/127 (2013.01); F16D 69/0408 (2013.01); F16D 25/0638 (2013.01); F16D 2069/0466 (2013.01);
Abstract
A friction plate is formed in such a manner that a plurality of friction material segments fixed to an annular core plate, wherein a passage extends through from an inner diameter side to an outer diameter side and is defined between the plurality of friction material segments, and a forming portion for retaining air is provided on a bottom surface of the passage.