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:
Dec. 15, 1987

Filed:

Aug. 25, 1986
Applicant:
Inventors:

Takahisa Suzuki, Saitama, JP;

Shinichi Kuwahara, Tokyo, JP;

Yoshinori Kawashima, Saitama, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D / ;
U.S. Cl.
CPC ...
180149 ; 9137 / ;
Abstract

A motor vehicle with a handlebar includes a vehicle frame assembly, at least one front wheel rotatably supported on the vehicle frame assembly, at least one rear wheel rotatably supported on the vehicle frame assembly, an engine mounted on the vehicle frame assembly between the front and rear wheels, and a hydraulicaly operated power steering system operatively coupled to the handlebar. The power steering system comprising a substantially cylindrical housing, an input shaft rotatably supported in the housing and coupled to the handlebar, an output shaft rotatably supported in the housing coaxially with the input shaft and operatively coupled to the front wheel, a hydraulically actuated vane motor coupled to the output shaft for applying a torque to the output shaft, and a control valve mechanism combined with the input and output shafts for controlling the vane motor based on a relative angular difference between the input and output shafts. The housing serves as part of the vehicle frame assembly.


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