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:
Jan. 24, 1995
Filed:
Jun. 11, 1993
Applicant:
Inventors:
Hidetaka Yoshioka, Sakai, JP;
Fumio Takada, Sakai, JP;
Assignee:
Kubota Corporation, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K / ;
U.S. Cl.
CPC ...
180233 ; 180249 ; 280 951 ;
Abstract
A turn control system for a four wheel drive vehicle which includes an accelerating transmission for driving the right and left steerable wheels at a greater average velocity than the right and left non-steerable wheels. A steering device and a switching device are interlocked such that a change speed device is operable in the accelerating transmission when the steerable wheels are steered in excess of a predetermined angle. An inner one of the steerable wheels with respect to a turning circle has a maximum steering angle .beta.1 which is set to form the following expression: