Railway rolling stock – Car framing and structure – Underframes
Patent
1978-06-14
1981-06-30
Silverstrim, John P.
Railway rolling stock
Car framing and structure
Underframes
52797, 105404, 105414, 105420, 105422, 296182, 403384, B61D 1700, B61F 100, B62D 2100
Patent
active
042756634
ABSTRACT:
A load carrying vehicle such as a truck trailer or a railroad car has a generally flat, horizontal loading surface which is supported by an underframe which in turn is mounted to and carried by wheel assemblies, kingpin-saddle plate arrangement and the like. The underframe extends over the full length and width of the load carrying vehicle and each of its transverse cross-sections is of a substantially constant height while in a longitudinal direction the center portion of the underframe is of a relatively greater height than portions of the underframe adjacent the wheel assemblies. The underframe is constructed of a first corrugated plate in which the corrugations run longitudinal of the vehicle. A second corrugated plate is secured to the underside of the first mentioned plate and the plates are arranged so that the corrugation troughs of the upper plate are in longitudinal alignment with corrugation peaks of the lower plate to define a hollow core honeycomb pattern between the plates. Mutual contact points between the plates, e.g. contacting corrugation troughs and peaks are rigidly secured, e.g. welded to each other. The load carrying surface may be defined by the upper corrugated plate or by planking or the like attached thereto. Side walls, end walls and a roof constructed of corrugated plate can be mounted to the underframe.
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Broacha Firoze H.
Sivachenko Eugene W.
Beltran Howard
Silverstrim John P.
Sivachenko E. W.
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