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. 10, 1986

Filed:

Mar. 30, 1984
Applicant:
Inventors:

Sadashi Yamamoto, Saitama, JP;

Takeo Ishihara, Saitama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62M / ;
U.S. Cl.
CPC ...
180291 ; 180210 ; 1231 / ;
Abstract

A power unit particularly adapted to a three-wheel vehicle which employs a single cylinder, two-stroke engine driving a centrifugal clutch, a gear train and a drive shaft to one wheel. The drive shaft is rotatably mounted in a portion of the engine housing and is also rotatably mounted within a coaxial bore through one end of the crankshaft. A spaced rear wheel on the other side of the engine is freewheeling. To accommodate the asymmetric power to one rear wheel, the drive shaft, the crankshaft and the engine cylinder are canted from alignment with the centerline of the vehicle to provide the appropriate toe-in.


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