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:
Jun. 16, 1981

Filed:

Jun. 29, 1979
Applicant:
Inventors:

Takeo Ishihara, Asaka, JP;

Tsutomu Hayashi, Hoya, JP;

Masumi Hamane, Kawagoe, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16H / ; F16H / ; F02N / ;
U.S. Cl.
CPC ...
7475 / ; 7478 / ; 1231 / ; 185 39 ;
Abstract

An automatic transmission including a drive shaft directly connected to a drive source, an output shaft, and a planetary gear mechanism provided between the drive shaft and output shaft and serving to effect automatic speed change in power transmission. The planetary gear mechanism is mounted on the drive shaft with its sun gear fitted thereon. Thus, the length dimension of the drive shaft can be reduced to provide a very compact system. Further, a plurality of clutches are arranged in a radial plane between the drive shaft and the output shaft, thus permitting a further reduction in the size of the system.


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