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:
Jan. 28, 2014

Filed:

Feb. 28, 2011
Applicants:

Kazuyuki Fukaya, Saitama, JP;

Kosaku Takahashi, Saitama, JP;

Junya Watanabe, Saitama, JP;

Dai Arai, Saitama, JP;

Masataka Tanaka, Saitama, JP;

Inventors:

Kazuyuki Fukaya, Saitama, JP;

Kosaku Takahashi, Saitama, JP;

Junya Watanabe, Saitama, JP;

Dai Arai, Saitama, JP;

Masataka Tanaka, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 25/0638 (2006.01); F16D 25/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A hydraulic clutch for preventing a drag of a clutch at the time of disengaging the clutch by decreasing an oil supply quantity between a plurality of clutch plates and a plurality of clutch discs thus decreasing a change hitting sound at the time of shifting. A hydraulic clutch is configured such that the superposition between an oil supply hole formed in a clutch pressure plate and an oil supply hole formed in a clutch center becomes maximum when the clutch is engaged.


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