Gondola rail car with tub floor
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United States of America Patent
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Aug 14, 2012
Grant Date -
Apr 29, 2010
app pub date -
Oct 29, 2009
filing date -
Oct 29, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A rail car with a double longitudinal tub floor. The car may comprise a car body supported on a frame, the principal element of the frame being a longitudinal center sill assembly. The frame is in turn supported on a pair of wheel trucks. The car body includes a pair of generally vertical end wall assemblies joined to a pair of generally vertical side assemblies. The box is closed on the bottom by a floor assembly. The floor assembly includes a pair of longitudinal tubs. The longitudinal tubs are divided into tub segments and supported by cross-bearer assemblies. The cross-bearer assemblies are joined to the center sill assembly. The longitudinal tubs are supported primarily by the center sill assembly, both directly by joining each tub's lateral inboard edge to the center sill, and indirectly by joining the tub's chord end edges to the cross-bearer assemblies. Diagonal braces may be attached to the cross bearer assemblies and the side assemblies to help prevent bowing of the sides.
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