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:
Aug. 26, 1980
Filed:
Jul. 27, 1978
Masaharu Hattori, Tokyo, JP;
Kabushiki Kaisha Komatsu Seisakusho, Tokyo, JP;
Abstract
A control system for a differential gear lock mechanism including a power transmission having at least two forward drives and a backward drive and a manually operated speed change lever associated with said power transmission. The control system comprises a differential gear, an air tank containing compressed air therein, a conduit for connecting said air tank with said differential gear, a valve disposed in said conduit for selectively supplying compressed air to said differential gear when actuated, and a solenoid-controlled valve disposed in said conduit for interrupting air supply to said differential gear when actuated wherein said solenoid-controlled valve is adapted to be actuated when said speed change lever is shifted to a higher drive.