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:
Jun. 16, 1987
Filed:
Nov. 14, 1984
Applicant:
Inventors:
Chihiro Hosono, Anjo, JP;
Yoichi Hayakawa, Anjo, JP;
Seitoku Kubo, Toyota, JP;
Yutaka Taga, Toyota, JP;
Shinya Nakamura, Toyota, JP;
Assignees:
Aisin-Warner Limited, both of, JP;
Toyota Motor Corporation, both of, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K / ;
U.S. Cl.
CPC ...
192-357 ; 180247 ;
Abstract
A control system for a 4-wheel drive transmission including a main transmission and an auxiliary transmission shiftable by operation of a hydraulic clutch for switching the mode of operation either to 2-wheel drive or 4-wheel drive including a manual changeover valve mechanically connected to a shift lever in a passenger's room of a vehicle for operating the hydraulic clutch according to the mode selected by the shift lever.