Traction device having projecting ribs which fit into grooves of

Details Traction device having projecting ribs which fit into grooves of Traction device having projecting ribs which fit into grooves of

1990-08-29

1992-02-18

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152176, 152210, 152216, 152225R, B60C 2720, B60C 722

Patent

active

050885340

ABSTRACT:
A device for improving the winter road holding properties of automobiles is disclosed, which includes anti-skid members arranged in grooves in tire treads so as to surround lugs of the tread. A long working life of the anti-skid members may be attained if means are provided for moving the anti-skid members between non-retracted settings and retracted positions in which the anti-skid members are in the grooves.

REFERENCES:
patent: 4119132 (1978-10-01), Ries
patent: 4338988 (1982-07-01), Brooks et al.
patent: 4669569 (1987-06-01), Suzuki et al.

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