Wheel substitutes for land vehicles – Combined or convertible
Patent
1990-03-26
1991-04-09
Stormer, Russell D.
Wheel substitutes for land vehicles
Combined or convertible
305 31, B62D 5530
Patent
active
050059203
ABSTRACT:
A track adjusting mechanism establishes the optimum tension in the endless track assembly of a track type vehicle. The track adjusting mechanism is controlled by the vehicle operator from the operator's station. The adjusting mechanism includes a fluid cylinder, a piston movable within the cylinder, and a hydraulic circuit to supply fluid to the cylinder. Fluid leakage from the cylinder is collected and stored in an accumulator. A single fluid line in the hydraulic circuit serves as a high pressure line to the cylinder in a first mode and a low pressure drain line from the cylinder in a second mode. The accumulator is also connected to this single fluid line and a one-way check valve prevents high pressure fluid from entering the accumulator while allowing the low pressure leakage fluid to pass through and reach the low pressure drain line.
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Caterpillar Inc.
Stormer Russell D.
White Cluade F.
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