Travelling cable support system
First Claim
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1. A travelling cable support system comprising:
- a guide rail;
a plurality of conductor sleds slidably mounted upon said guide rail for movement therealong wherein the first conductor sled is adapted to pull the remaining conductor sleds;
a plurality of non-elastic traction cords respectively interposed between said conductor sleds;
at least one conductor carried by said conductor sleds; and
a plurality of elastomeric cords connecting together adjacent conductor sleds,the length of said elastomeric cords being less than the length of said traction cords when said elastomeric cords are not tensioned and being capable of obtaining a greater length than the length of said traction cords when said traction cords are tensioned, and the length of said traction cords being less than the length of said conductor.
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Abstract
A travelling cable support system for cranes, in which a cable is fixedly secured between successive sleds, is discussed. The sleds are connected together by resilient tension elements which stretch elastically on acceleration and subsequently give up their stored potential energy as kinetic energy. Non-elastic traction cords are also provided in conjunction with the cable and elastic elements for limiting the extension of the elastic elements.
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Citations
10 Claims
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1. A travelling cable support system comprising:
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a guide rail; a plurality of conductor sleds slidably mounted upon said guide rail for movement therealong wherein the first conductor sled is adapted to pull the remaining conductor sleds; a plurality of non-elastic traction cords respectively interposed between said conductor sleds; at least one conductor carried by said conductor sleds; and a plurality of elastomeric cords connecting together adjacent conductor sleds, the length of said elastomeric cords being less than the length of said traction cords when said elastomeric cords are not tensioned and being capable of obtaining a greater length than the length of said traction cords when said traction cords are tensioned, and the length of said traction cords being less than the length of said conductor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification