Tire traction device

Details Tire traction device Tire traction device

1988-12-05

1990-12-04

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152218, 152225R, B60C 2720, B60C 2704

Patent

active

049746537

ABSTRACT:
The device includes a flat rigid rectangular frame forming a pair of opposed parallel sleeves. Four traction elements, each having shank and U-shaped hook portions, are provided for telescoping movement of the shanks within the sleeves, to thereby position the hooks transversely across the tread of the tire. A cable and traveling block/threaded shaft arrangement is provided to simultaneously contract all four traction elements at substantially the same rate into gripping engagement with the tire treads. Crossbars, extending chordally on the inboard side of the tire connect the inner ends of the hooks and secure the device onto the tire. The shanks can rotate within the sleeves so that rotation of the tire can twist the hooks into a slanted condition whereby they more tightly grip the tire.

REFERENCES:
patent: 2315838 (1943-04-01), Bryon
patent: 2601882 (1952-07-01), Eisenhauer
patent: 3079972 (1963-03-01), Forman

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