Electrical conductivity tester for ropes
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United States of America Patent
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-
Jun 11, 1996
Grant Date -
N/A
app pub date -
Jan 27, 1995
filing date -
Jan 27, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tester is provided for measuring the dielectric integrity of a rope, on a continuous basis. The device incorporates a pair of rope contact and retention members, that may comprise pair of spring-loaded clamps, adapted to make electrical contact with the rope, while permitting the rope to be drawn longitudinally through the device. The contact or retention members may either be adapted to make a sliding contact with the rope or may employ wheels or roller members to facilitate the movement of the rope through the device. The contact members are linked to an electrical testing circuit for measuring the conductivity of the rope segment under test. The contact and retention members may also comprise an iris having an array of flexible leaves extending inwardly from an annular retainer, with the leaves being linked to the testing circuit and adapted to press against a rope inserted within the retainer. Some or all of the leaves are connected to the testing circuit.
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