Lifting machinery
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United States of America Patent
Stats
-
Mar 24, 1992
Issued Date -
N/A
app pub date -
Sep 20, 1990
filing date -
Dec 23, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A lifting machine has a drum unit comprising a motor attached to a frame of the lifting machine, a gearbox and a rope drum, this unit being resiliently attached to the frame of the lifting machine.
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