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.

Date of Patent:
Aug. 14, 2012

Filed:

Jul. 25, 2007
Applicants:

Yoshitsugu Gokan, Wako, JP;

Yoshinobu Shiomi, Wako, JP;

Inventors:

Yoshitsugu Gokan, Wako, JP;

Yoshinobu Shiomi, Wako, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 13/54 (2006.01);
U.S. Cl.
CPC ...
Abstract

A multiplate clutch includes at least one driving friction plate configured to be rotated by a driving portion, at least one driven friction plate provided to face the at least one driving friction plate and configured to rotate the driven portion, a pressure applying unit configured to apply a pressing force to the at least one driving friction plate and the at least one driven friction plate to transmit the driving force from the driving portion to the driven portion via the at least one driving friction plate and the at least one driven friction plate, a first cam unit including first concave-convex cams and configured to increase the pressing force in accordance with an increase of the driving force, and a second cam unit configured to function as a back torque limiter mechanism and including second concave-convex cams which are different from the first concave-convex cams.


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