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. 30, 2021
Filed:
Apr. 08, 2019
Applicant:
Aisin Kako Kabushiki Kaisha, Toyota, JP;
Inventors:
Ryohei Hoshino, Toyota, JP;
Kazunari Asai, Toyota, JP;
Assignee:
AISIN KAKO KABUSHIKI KAISHA, Toyota, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16D 13/64 (2006.01); F16D 69/00 (2006.01); F16D 13/74 (2006.01); F16D 65/12 (2006.01);
U.S. Cl.
CPC ...
F16D 13/648 (2013.01); F16D 13/64 (2013.01); F16D 13/74 (2013.01); F16D 69/00 (2013.01); F16D 65/127 (2013.01);
Abstract
A wet friction member includes a core plate formed in a flat ring shape; and a friction part arranged on a main surface of the core plate. The friction part is formed in such a manner that four kinds of segment pieces, which are a first piece, a second piece, a third piece, and a fourth piece, are repeatedly arranged in this arrangement order in a ring shape via oil grooves.