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:
Mar. 19, 1985

Filed:

Jan. 05, 1983
Applicant:
Inventors:

Takanori Onda, Saitama, JP;

Takeo Saito, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62K / ;
U.S. Cl.
CPC ...
180219 ; 1231 / ;
Abstract

A swing type power unit for a two-wheeled motor vehicle including a four-cycle engine. The engine has an output shaft disposed in a transmission case adjacent to its front end. The case has its rear end portion provided with a rear wheel drive shaft, and has a wet type multi-stage power transmission mechanism disposed between the output shaft of the engine and the rear wheel drive shaft. The transmission case has front end pivotally secured to a vehicle body, and has the rear end to the body through a shock absorber. Oil lubrication for the engine and the power transmission mechanism is performed by oil accumulated in and at a bottom of said transmission case.


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