Lifting means for loads
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United States of America Patent
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-
Apr 8, 1997
Grant Date -
N/A
app pub date -
Oct 28, 1994
filing date -
Jun 13, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A lifting device intended to support a load without pendulum movement has at least six hydraulic control cylinders connected by individual articulations to a horizontally movable support above the load and to a load lifter below that support. At least four of the control cylinders are mutually oblique. The articulations in each case allow swiveling action about two mutually perpendicular axes.
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