Land vehicles: wheels and axles – Wheel – Traction increasing
Patent
1990-08-20
1991-06-11
Stormer, Russell D.
Land vehicles: wheels and axles
Wheel
Traction increasing
301 45, 301 40R, B60B 1510
Patent
active
050227114
ABSTRACT:
An auxiliary traction wheel is provided for use in combination with a tractor wheel so as to provide increased traction for the tractor. The traction wheel includes a pair of spaced apart rims at the perimeter of the wheel defining a channel therebetween. A plurality of traction plates are pivotally mounted within the channel for movement between a retracted position, wherein the traction plates are drawn into the channel, and an extended position wherein the traction plates extend radially outwardly beyond the perimeter edge of the wheel. The traction plates are interconnected by connecting rods so as to pivot in unison. Tension cables control the movement of the traction plates between the retracted and extended positions.
REFERENCES:
patent: 1236109 (1917-08-01), Rose
patent: 2361864 (1944-10-01), Nelson
patent: 2437325 (1948-03-01), Koeppel
patent: 2544050 (1951-03-01), Schnell
patent: 2679435 (1954-05-01), Finan
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