Dynamic track tensioning system for tracked vehicles

Details Dynamic track tensioning system for tracked vehicles Dynamic track tensioning system for tracked vehicles

1988-03-15

1989-06-20

Stormer, Russell D.

Wheel substitutes for land vehicles

Combined or convertible

305 31, B62D 5530

Patent

active

048404373

ABSTRACT:
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.

REFERENCES:
patent: 3310127 (1967-03-01), Siber et al.
patent: 3511327 (1970-05-01), Schlor
patent: 3625303 (1971-12-01), Cameron
patent: 3972569 (1976-08-01), Bricknell
patent: 4279318 (1981-07-01), Meisel, Jr.
patent: 4458954 (1984-07-01), Haas
patent: 4513833 (1985-04-01), Sheldon
patent: 4545624 (1985-10-01), Van Ooyen

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