Dropped deck center beam rail road car with shallow center sill

Details Dropped deck center beam rail road car with shallow center sill Dropped deck center beam rail road car with shallow center sill

2006-04-11

2006-04-11

Morano, S. Joseph (Department: 3617)

Railway rolling stock

Special car bodies

Reexamination Certificate

active

07025003

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.

REFERENCES:
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Various photographs showing a dropped deck center beam car bearing mondel No. THRX 3001 manufactured by Thrall (date and location unknown).
Photograph showing a flatcar bearing model No. BCOL 866688 (date and location unknown).
Various photographs showing a center beam car bearing model No. BNSF 564128 (date and location unknown).
Illustration showing a model of a car built for Pulpwood Service in 1963.
Various photographs taken on Sep. 19, 2000, Chicago, Illinois, U.S.A., showing a dropped deck center beam car bearing model No. THRX 3001 manufactured by Thrall.
Various photographs taken on Sep. 27, 2000, Campbellville, Ontario, Canada, showing a flatcar bearing model No. CN 602376.
Various photographs taken on Sep. 27, 2000, Milton, Ontario, Canada, showing a flatcar bearing model No. BCOL 52098.

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