Convertible rail-highway shuttle car

Details Convertible rail-highway shuttle car Convertible rail-highway shuttle car

1975-06-26

1977-11-29

Spar, Robert J.

Railway rolling stock

Trucks

Multidirectional

105215C, 105364, B61C 1100, B61C 1300, B61F 1300, B62D 6112

Patent

active

040600351

ABSTRACT:
An elongated shuttle car is provided having a set of undriven rail wheels and a set of driven road wheels. The rail wheels are movable between a lowered position wherein they support the shuttle car and a raised position wherein the shuttle car is supported from the road drive wheels. The road drive wheels are independently driven by fluid drive motors, one of which is associated with each road wheel. The road wheels are disposed so as to permit movement of the shuttle car generally perpendicular to its longitudinal axis which is aligned with the rail bed. Hydraulic cylinders or jacks are utilized for raising and lowering the undriven rail wheels which are normally formed of steel. The rail wheels are supported in movable truck assemblies. The movable truck assemblies have an axle permanently attached thereto and a pair of rail wheels are attached to the ends of the fixed axle.

REFERENCES:
patent: 1423947 (1922-07-01), Kramer et al.
patent: 2718197 (1955-09-01), Bock et al.
patent: 3228350 (1966-01-01), Cox
patent: 3353504 (1967-11-01), Kersey et al.
patent: 3540381 (1970-11-01), White, Jr.
patent: 3701323 (1972-10-01), Cox
patent: 3793966 (1974-02-01), Swoager
patent: 3892187 (1975-07-01), White, Jr.

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