Apparatus for selectively providing vehicle traction

Details Apparatus for selectively providing vehicle traction Apparatus for selectively providing vehicle traction

1975-07-17

1977-05-24

Tollberg, Stanley H.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152225R, B60C 2720

Patent

active

040249000

ABSTRACT:
Method and apparatus for providing selectively engageable and disengageable traction surface, on the periphery of a vehicle wheel by means of an apparatus mounted to a fixed portion of a vehicle, selective positioning of a journalled outer portion of the apparatus to engage and rotate with the outer, or tire, portion of the wheel, or, alternatively, to retract to a stored inactive position. The apparatus further provides for positive deployment with spring-loaded extension pressure, accommodation of localized variations in diameter and resilient mounting of traction bars.

REFERENCES:
patent: 3311150 (1967-03-01), Wykoff
patent: 3422870 (1969-01-01), Thomas
patent: 3482617 (1969-12-01), Putt et al.

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