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. 22, 1985
Filed:
Sep. 08, 1982
Yoshihiro Nagata, Kyoto, JP;
Kabushiki Kaisha Komatsu Seisakusho, Tokyo, JP;
Abstract
A steering control system for crawler tractor type vehicles with dual power trains which is capable of separately driving left and right endless track mechanisms and comprises an interlocking valve unit and a hydraulic circuit, the interlocking valve unit being located between a manually operated section and an actuating section and adapted to operatively connect these two sections with each other, the manually operated section including left and right steering levers and a commonly used brake pedal, the actuating section including left and right steering brake units and a center clutch unit, the hydraulic circuit selectively supplying hydraulic fluid delivered by a hydraulic pump into the actuating section in response to the action of the interlocking valve unit caused by the manipulation of either of the steering levers and/or the brake pedal.