MULTIPLE-AXLE RAIL CAR WITH SPAN BOLSTERS
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Jul 28, 2022
filing date -
Jul 28, 2022
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Abstract
A multiple-axle railcar having a load supported by an upper span bolster attached to a plurality of lower span bolsters is disclosed. A group of axles are attached to each lower span bolster using truck assemblies. The method of manufacturing the span bolsters involves fabricating and joining the components of the span bolsters in a manner that forms a camber in the unloaded span bolster.
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