Enclosed railcar jack assembly
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United States of America Patent
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Sep 11, 2007
Grant Date -
Aug 25, 2005
app pub date -
Dec 17, 2004
filing date -
Dec 17, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The disclosed jack assembly is used to lift the frame of a railcar above a wheeled truck assembly in order to replace or perform maintenance upon the wheeled truck assembly. The jack assembly comprises a pair of hydraulically-powered lifting mechanisms located at opposing ends of a railcar-engaging member, such that the lifting mechanisms and the railcar-engaging member move as a unit to raise the frame of the railcar.
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