Synthetic fiber rope to be driven by a rope sheave
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United States of America Patent
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Jan 21, 2003
Grant Date -
N/A
app pub date -
Jun 12, 2000
filing date -
Jun 11, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A synthetic fiber rope to be driven by a rope sheave is constructed as a twin rope consisting of two ropes with opposite directions of twist which extend parallel to and a fixed distance from each other. The ropes are surrounded by a rope sheath so as not to rotate when the twin rope runs over a rope sheave. The sheave acts as a torque neutralizer which, when the twin rope is loaded longitudinally, mutually offsets the oppositely oriented torques of the ropes which arise due to the structure of the rope, thereby causing over the entire cross-section of the twin rope equalization of the torques from the sum of all the parts having right-hand twist strands and all the parts having left-hand twist strands.
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