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.
Patent No.:
Date of Patent:
Oct. 09, 1984
Filed:
Oct. 16, 1981
Applicant:
Inventor:
Megumu Higuchi, Tokyo, JP;
Assignee:
Nissan Motor Company, Limited, Yokohama City, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H / ; B62D / ;
U.S. Cl.
CPC ...
74422 ; 74498 ;
Abstract
In accordance with the present invention, there is provided a novel and improved varibale ratio rack and pinion steering gear wherein the pinion has teeth of variable shape and size and the rack has teeth of variable shape and size. The teeth of the pinion are correctly meshable with a uniformly shaped rack profile and adapted to provide variable pitch circles. The teeth of the rack are generated by using the profile of the pinion teeth in a manner to provide a varying gear ratio even when the steering angle is larger than 180.degree..