Cadillac Gage Textron Inc.

James J Kuhns

Samuel B Henry

The tracks of a tracked vehicle are subject to a tension control system which includes a movable idler wheel for applying force to each track, a hydraulic actuator for dynamically applying force to each track at a zero spring rate, a pilot controlled check valve for selectively locking the actuator against tension relieving return movement, and a control sensitive to vehicle steering, direction of movement, acceleration and deceleration for deciding according to a preset program whether each actuator should be locked or free to move. An operator controlled switch modifies system hydraulic pressure to permit an optional low pressure operation.

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Romeo, MI, United States of America

James J Kuhns