RAILROAD COIL CAR STRUCTURE
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United States of America Patent
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Issued Date -
Dec 15, 2022
app pub date -
Jun 11, 2021
filing date -
Jun 11, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A transverse trough coil car has a sawtooth center sill. It has a pair of truck centers. Portions of the straight-through center sill deviate upwardly inboard of the truck centers and define saw teeth that have truncated tips. The center sill has an undulating top cover plate, or top flange. A portion of the center sill deviates slopingly to conform angularly to the inclined sides of the transverse troughs. The center sill is notched to conform to those transverse troughs. The car has stub bolsters that are surmounted by pre-fabricated trough assemblies that mate with the stub bolsters and extend to the side sills. The center sill has an array of internal web separators and gussets to discourage buckling. There are deep center sill webs that extend upwardly higher than the draft sill.
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