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. 17, 1996

Filed:

Sep. 20, 1994
Applicant:
Inventors:

Mitsutaka Sugino, Saitama, JP;

Yasuo Shimizu, Saitama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D / ;
U.S. Cl.
CPC ...
180444 ;
Abstract

An electrically operated power steering apparatus having an electric motor for producing forces to assist in axially moving a rack shaft having rack teeth held in mesh with a pinion mounted on an end of a steering shaft with a steering wheel mounted thereon. The electric motor and the rack shaft are accommodated in a housing assembly which comprise a first housing and a second housing which are separate from and fastened to each other in an axial direction of the rack shaft. The second housing comprises a smaller-diameter portion, a medium-diameter portion, and a larger-diameter portion which are axially successively joined by tapered portions. The electric motor has a stator fixed to an inner surface of the larger-diameter portion and a rotor rotatably disposed around the rack shaft in the larger-diameter portion.


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