Railcar having cold formed center sill with stiffness enhancing structure
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United States of America Patent
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May 24, 2022
Grant Date -
Jul 30, 2020
app pub date -
Nov 21, 2019
filing date -
Nov 21, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A railcar comprising: a plurality of truck assemblies, each truck assembly having at least one wheel an underbody supported on said truck assemblies, said underbody including a cold formed center sill extending substantially the length of said railcar, wherein said center sill includes a top wall, a pair of side sections joined to the top wall by a pair of upper curved sections, bottom sections coupled to the side sections through curved connecting sections, wherein the center sill includes an upwardly extending stiffening longitudinal rib centered within the top wall.
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