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Dropped deck center beam rail road car with shallow center sill

Abstract: A center beam rail road car has a center sill that runs along the car from end to end. The center sill is dog-legged, having end portions mounted over rail car trucks, and a downwardly stepped central portion between the trucks. A central beam assembly stands upwardly of the center sill. A lading supporting deck structure extends laterally to either side of the center sill. The deck structure has a depressed medial portion between the trucks, and raised end portions over the trucks. The deck portions have lading bearing interfaces. The medial portion of the center sill has a top flange that is carried at a height that lies flush with, or below, the level of the lading bearing interface of the medial portion of the center sill. In one embodiment, a column member for carrying buff and draft loads is spaced upwardly from the medial portion of the center sill. The car may be constructed in a version having a top truss, or having a top chord member that lies within the profile of vertical posts of the central beam assembly. In embodiments having a narrow top chord, the car may be provided with a top chord cover. ...

USPTO Applicaton #: #20060243159 - Class: 105404000 (USPTO)

Related Patent Categories: Railway Rolling Stock, Car Framing And Structure, Freight
The Patent Description & Claims data below is from USPTO Patent Application 20060243159, Dropped deck center beam rail road car with shallow center sill.

Chord Egg Medial Truss

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