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:
Jan. 05, 1988

Filed:

Nov. 12, 1986
Applicant:
Inventors:

Katsumi Ishii, Sagamihara, JP;

Kanae Hirayama, Yamato, JP;

Yoshio Matsuoka, Tokyo, JP;

Kotei Takahashi, Sagamihara, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D / ;
U.S. Cl.
CPC ...
180140 ; 364424 ;
Abstract

A four wheel steer control system includes a four wheel steer system, a differential between right and left driving wheels, a slip limiting system for limiting a differential action of the differential with a slip limiting resistive force whose magnitude is varied in accordance with a vehicle speed or other variable, a sensor for sensing the magnitude of the slip limiting resistive force, and a controller for controlling a ratio of a rear wheel steer angle to a steering wheel angle in accordance with the magnitude of the slip limiting resistive force.


Find Patent Forward Citations

Loading…