Road traction apparatus

Details Road traction apparatus Road traction apparatus

1979-03-13

1980-10-14

Powell, William A.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152223, 152233, 180 92C, 180 928, 188 4R, 188 4B, 238 14, B60C 2700

Patent

active

042275628

ABSTRACT:
Vehicular road traction apparatus feeds a traction portion of an endless chain between a tire and the road surface and a recirculating portion of the chain is picked up aft of the tire and fed into a conduit which conducts it back to a point fore of the tire where it is fed continuously under the tire as the traction portion. The conduit is supported in position by arms and pivot pins so that the conduit may be moved between the aforesaid feeding position to a non-feeding position where the chain is held away from the tire. A cable moves the conduit between the two positions. The conduit may be hinged midway in its length so as to move its feeding and pick-up ends farther apart to stretch the chain taut in the non-feeding position. The conduit may be located outside or inside the tire. When located inside the tire, a skid plate and guide bar assist the supporting means to locate the feeding end of the conduit in proper feeding position.

REFERENCES:
patent: 2204921 (1940-06-01), Becht
patent: 3428151 (1969-02-01), Franklin

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