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. 29, 1976
Filed:
Jun. 25, 1974
Applicant:
Inventors:
Teruo Minami, Yokohama, JA;
Masaru Uenoyama, Kawasaki, JA;
Assignee:
Kabushiki Kaisha Komatsu Seisakusho, Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
1801 / ; 303-3 ; 303 13 ; 303 / ;
Abstract
A retarder control device for a vehicle with an oil-cooled multi-plate disc brake which has solenoid and hand brake valves assembled in parallel with a pneumatic line. A check valve is provided at the pneumatic pressure line for checking oil flow from the solenoid and hand brake valves, and thus the rear brake is manually and automatically operated.