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:
May. 25, 2010

Filed:

Jun. 27, 2008
Applicants:

Makoto Kataoka, Shizuoka, JP;

Shunichi Itou, Shizuoka, JP;

Inventors:

Makoto Kataoka, Shizuoka, JP;

Shunichi Itou, Shizuoka, JP;

Assignee:

Kabushiki Kaisha F.C.C., Shizuoka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 43/21 (2006.01); F16D 13/04 (2006.01); F16D 13/70 (2006.01);
U.S. Cl.
CPC ...
Abstract

A power transmitting apparatus can comprise a clutch housing, a plurality of driving clutch plates, a plurality of driven clutch plates movable for carrying out the pressure-contact or release relative to the driving clutch plates, a clutch member, a pressure member, pressure-contact assisting cam, back-torque limiting cam characterized in that one set of cam surfaces of the pressure-contact assisting cam or the back-torque limiting cam are arranged so that they extend along a circumferential edge of the clutch member. A crowning can be formed on one set of cam surfaces in their extending direction and/or their width direction.


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