Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1990-06-11
1991-12-10
Ball, Michael W.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
152216, 152218, B60C 2720, B60C 2702
Patent
active
050709232
ABSTRACT:
Antiskid apparatus comprising a first doglegged linkage of two rods which are pivotally connected together on one end and a second doglegged linkage of two rods which are pivotally connected together on one end, the linkages being pivotally connected in the middle of the respective rods to form a pantograph. A circular support member is pivotally mounted on the open end of each of the rods, and a thin-plate-shaped gripping member is fixed to each of the support members. Each of the gripping members comprises a ground contact portion that contacts the tire tread and covers at least a part of the width of the tread and a mounting portion that contacts the tire sidewall. In one embodiment, the linkage is held in a specified form by means of a holder, and the apparatus is mounted on the tire by securing hooks of tighteners in positions corresponding to the tire wheel holes, the hooks being provided at the top of the tighteners.
REFERENCES:
patent: 3053302 (1962-09-01), Bopst
patent: 3437121 (1969-04-01), Strapko et al.
Ball Michael W.
Wilber Gregory J.
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