Wheel substitutes for land vehicles – Combined or convertible
Patent
1979-11-09
1980-10-14
Scherbel, David A.
Wheel substitutes for land vehicles
Combined or convertible
305 32, 305 34, B22D 5530
Patent
active
042277485
ABSTRACT:
A continuous track assembly (12) has a frame (16) and a first element (18) pivotally connected to the frame (16). A second element (20) is pivotally connected to the first element (18). Each element (18,20) has a rotatable wheel (22,24) about both of which a track (30) is positioned. The wheel (22) of the first element (18) is rotated by power and driving apparatus (36,44) in an associated work vehicle (10) to drive the track (30). Tension in the track (30) is maintained at a preselected level by apparatus (50) which moves the second element (20) relative to the first element (18) to position the wheels (22,24) against the track (30). The wheels (22,24) are freely pivotally movable as a unit to enable the track assembly (12) to readily adapt to its environment and maximize tractive effort. Maintaining the desired track tension substantially overcomes problems associated with a track which is too loose or tight which can result in slipping or damage to the track assembly (12).
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Caterpillar Tractor Co.
Heming William B.
Scherbel David A.
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