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. 26, 2010
Filed:
Jul. 14, 2006
Applicants:
Hideaki Suzuki, Fukuroi, JP;
Masahiro Kobayashi, Fukuroi, JP;
Masaki Sakabe, Fukuroi, JP;
Inventors:
Assignee:
NSK-Warner K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 13/64 (2006.01); F16D 13/74 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a friction plate for a wet-type multi-plate clutch, to which a wet-type friction material is secured and in which there are provided an oil passage communicated with inner and outer peripheral edges, an oil groove opened toward the inner peripheral edge and having a terminal end disposed between the inner peripheral edge and the outer peripheral edge, and at least one circumferential groove communicated with the oil passage and extending in a circumferential direction.