Railway rolling stock – Special car bodies – Freight
Reexamination Certificate
2006-05-09
2008-09-16
Olson, Lars A (Department: 3617)
Railway rolling stock
Special car bodies
Freight
C105S404000, C105S406100
Reexamination Certificate
active
07424854
ABSTRACT:
A center beam car has a main deck structure extending laterally from a main center sill, a laterally extending top truss structure, and a central vertically oriented central beam structure. The center beam so formed defines bunks upon in which to carry cargo. The upper region of the web-work structure includes a top chord mounted to run between two end bulkheads. The deck has a central portion and end portions. The end portions of the deck are carried at a greater height than the center portion, the difference in height corresponding to the height of a bundle of lumber. The car has a center sill having a depth corresponding to the depth of the step in the deck. The end portion of the center sill has an internal plate defining a draft gear pocket upper wall. The medial portion of the center sill is narrower than the end portion, and of deep section, such that it has a high aspect ratio. Web separators are mounted in the medial portion of the center sill by a method that includes making part of the weld from outside the center sill through welding apertures. As the end deck is carried at a high level, the bolster is abnormally deep.
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Car and Locomotive
Hahn Loeser & Parks LLP
Minns Michael H.
National Steel Car Limited
Olson Lars A
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