Apparatus and method for transporting automobiles in an enclosed semi-trailer
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United States of America Patent
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Mar 29, 1994
Grant Date -
N/A
app pub date -
Feb 4, 1993
filing date -
Feb 4, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to an apparatus and method for converting a semi-trailer or intermodal shipping container from carrying general freight cargo to carrying automobiles. More specifically, the present invention provides for a lift mechanism which is powered by the drive wheels of the automobile being carried by the lift so that a plurality of automobiles may be carried in two levels in an enclosed semi-trailer or intermodal shipping container. The method of the present invention is also adaptable to being employed in piggy back transportation of semi-trailers or intermodal shipping containers on railroad cars. The apparatus of the present invention is designed for flexibility in use and ease of assembly and disassembly which comprises lift assemblies based on the use of ball screws powered from flexible cable drives.
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