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:
Sep. 02, 1997

Filed:

Aug. 18, 1995
Applicant:
Inventors:

Yoichi Kojima, Saitama, JP;

Yoshihiro Kodama, Saitama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D / ; F16D / ;
U.S. Cl.
CPC ...
192 8711 ; 1921 / ;
Abstract

Frictional engagement elements of a first hydraulic clutch and frictional engagement elements of a second hydraulic clutch are supported on a common clutch drum on opposite sides of a snap ring. Openings are defined respectively in the clutch drum and an urging member which is formed integrally with a clutch piston of the second hydraulic clutch for urging the frictional engagement elements toward the snap ring. An urging member for urging the frictional engage elements toward the snap ring is connected to a clutch piston of the first hydraulic clutch and extends through the openings to the outside of the clutch drum. Thus, the pair of hydraulic clutches disposed in a tandem fashion can be operated stably without interference from each other.


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