Electricity: measuring and testing – For insulation fault of noncircuit elements – Where element moves while under test
Patent
1995-01-27
1996-06-11
Wieder, Kenneth A.
Electricity: measuring and testing
For insulation fault of noncircuit elements
Where element moves while under test
324515, 324701, 324724, 340677, G01R 3108, G01R 3112
Patent
active
055259154
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.
REFERENCES:
patent: 2471560 (1949-05-01), Everson
patent: 3343081 (1967-09-01), Lang
patent: 3364420 (1968-01-01), Kreuger
patent: 4446422 (1984-05-01), Koehler
patent: 5302904 (1994-04-01), Nopper
Farquhar John A.
Lecomte Gary
Hi-Test Detection Instruments Ltd.
Solis Jose M.
Wieder Kenneth A.
Zahl Adrian
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