Continuous cradle pad and skid for railway cars

Details Continuous cradle pad and skid for railway cars Continuous cradle pad and skid for railway cars

1978-05-12

1980-09-02

Frankfort, Charles E.

Railway rolling stock

Special car bodies

Freight

105439, 137377, 137382, 251144, B61D 500

Patent

active

042200970

ABSTRACT:
In accordance with the present invention, a railway tank car is provided with a tank car skid arrangement including a continuous tank cradle pad extending the full distance between the stub sills located at opposite ends of the car. The cradle pad is curved to follow the tank bottom contour. A reinforcing plate is rigidly attached to the cradle pad extending transversely and longitudinally outwardly on either side of at least one tank car bottom fitting (lading valve and/or sump) depending from the tank bottom. The reinforcing plate is preferably also curved to follow the contour of the cradle pad and the tank bottom. A tank car skid extending longitudinally and transversely of the bottom fitting is rigidly attached to the reinforcing plate. The skid includes opposite end portions which are welded to the tank and which extend downwardly and inwardly toward a center section which contains the bottom fitting. The skid preferably extends longitudinally of the tank at least three inches on each side of the projection for each one inch that the bottom fitting extends below the outer surface of the tank bottom.

REFERENCES:
patent: 1988308 (1935-01-01), Flomsbee
patent: 3308769 (1967-03-01), Halcomb et al.
patent: 3326141 (1967-06-01), Graves
patent: 3766862 (1973-10-01), Heap et al.

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