Emergency traction apparatus for automobile wheels

Details Emergency traction apparatus for automobile wheels Emergency traction apparatus for automobile wheels

1976-05-24

1978-07-04

Knowles, Allen N.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152218, 152225R, B60C 2704

Patent

active

040983145

ABSTRACT:
Emergency traction apparatus for temporary attachment to a vehicle wheel comprises a multiplicity of diametrical arms forming a unitary arm assembly with a common central pivot. The arms are interconnected by flexible couplings so that the assembly may be spread from a collapsed condition to form a stable radiating arm array by turning two of the arms about the pivot and then interconnecting them. Opposite ends of the arms have radially movable J-rods that overlie the tire tread when the arm assembly is applied to the side of a vehicle wheel. The J-rods are simultaneously engaged with the tire by a central tightening mechanism that moves the rods radially inward against the bias of springs that normally urge the rods radially outward to provide clearance for the easy application of the apparatus to the vehicle wheel.

REFERENCES:
patent: 2598298 (1952-05-01), Pindjak
patent: 2806503 (1957-09-01), Hamerski
patent: 2837133 (1958-06-01), Armenante et al.
patent: 2886091 (1959-05-01), Hines
patent: 2981303 (1961-04-01), Hayes
patent: 3079972 (1963-03-01), Forman
patent: 3114407 (1963-12-01), Patterson
patent: 3565150 (1971-02-01), Carr

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