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:
May. 16, 1989
Filed:
Oct. 14, 1986
Takafumi Inagaki, Toyota, JP;
Kazumasa Nakamura, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
In a four wheel drive vehicle having a central power distribution device for transmitting engine power to a combination of left and right front wheels and a combination of left and right rear wheels with an action of differentiating rotation between the combination of the left and right front wheels and the combination of the left and right rear wheels, a skidding control device locks up the rotation differentiating action of the central power distribution device when at least either a difference between the rotation of the left front wheel and the rotation of the right front wheel or a difference between the mean rotation of the left front wheel and the right front wheel and the rotation of the combination of the left and right rear wheels exceeds a limit value predetermined therefor.