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:
Aug. 24, 2010
Filed:
Apr. 03, 2007
Applicant:
Ritsuo Toya, Fukuroi, JP;
Inventor:
Ritsuo Toya, Fukuroi, JP;
Assignee:
NSK-Warner K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 13/64 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a wet multi-plate clutch comprising an external toothed plate formed by sticking a friction material to a core plate and an internal toothed plate formed by sticking a friction material to a core plate and designed so that torque is transmitted by engaging the external toothed plate with the internal toothed plate and wherein the friction materials are stuck to opposed surfaces where the external toothed plate is opposed to the internal toothed plate, and surfaces of the core plates to which the friction materials are stuck are provided with a plurality of surfaces offset axially.