Railway rolling stock – Trucks – Supplemental wheel
Patent
1984-10-29
1986-04-22
Reeves, Robert B.
Railway rolling stock
Trucks
Supplemental wheel
105215R, B61D 1500, B61F 1300
Patent
active
045834652
ABSTRACT:
For mounting to the frame of a road vehicle, a railway wheel apparatus comprises an axle, a pair of flanged wheels mounted in spaced relation on the axle, a first pair of laterally spaced toggle structures pivotally connected at the lower ends thereof to the axle, a second pair of spaced toggle structures pivotally connected at one end thereof respectively to the upper ends of the first pair of toggle structures and pivotally connected at the other ends thereof to the frame, so that extension of said toggle structures into substantial alignment with each other effects a downward lowering of the axle and wheels and so that bodily angular movement of the toggle structures effects upward raising of the axle and wheels, and a pair of fluid motors for extending and retracting the toggle structures respectively whereby the wheels are lowered and raised relative to the vehicle frame.
REFERENCES:
patent: 1501744 (1924-07-01), Brilhart
patent: 2116525 (1938-05-01), Luce
patent: 2583072 (1952-01-01), Wilson
patent: 2896548 (1959-07-01), Obes
patent: 3704027 (1972-11-01), Laudadio
patent: 3804025 (1974-04-01), Elliott
patent: 3808693 (1974-05-01), Plasser et al.
patent: 4077328 (1978-03-01), Taylor
patent: 4488494 (1984-12-01), Powell, Sr.
Reeves Robert B.
Rodgers Dennis C.
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