RAIL CAR MODULARIZED MODIFICATION PROGRAMS ALTERING THE NATURE OF THE CENTER SILL IN THE MODIFIED RAILCAR AND THE MODIFIED RAILCARS FORMED THEREBY
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United States of America Patent
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Issued Date -
Dec 14, 2023
app pub date -
Jun 9, 2023
filing date -
Dec 10, 2020
priority date (Note) -
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Abstract
Rail car modularized modification programs altering the nature of the center sill in the modified railcar yield a greater variety of car types that can be placed into service. The present invention provides method of modification of a railcar to form a modified railcar comprising the steps of: providing an existing railcar with a center sill design of one of i) a stub sill and ii) a through sill; removing an upper portion of the existing railcar; forming an underframe construction including bolsters configured to be above truck assemblies and coupled to the center sill design, and a center sill design of one of i) a stub sill ii) a through sill, and iii) a fish-belly center sill; forming an upper body of the modified railcar; and attaching the upper body of the modified railcar to the underframe construction.
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