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Overhead power cable management system

  • US 9,457,674 B2
  • Filed: 09/21/2011
  • Issued: 10/04/2016
  • Est. Priority Date: 09/25/2009
  • Status: Expired due to Fees
First Claim
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1. A power cable management system comprising:

  • a power cable;

    a motor which drives a shaft;

    a drive pulley mounted to said shaft and receiving said power cable;

    a clutch assembly operatively engageable with said shaft and transformable between a drive mode and a release mode;

    a controller which selectively controls a mode of said clutch assembly;

    a drive wheel operatively connected to said clutch assembly;

    a continuous belt driven by said drive wheel;

    a trolley mounting an idler pulley receiving said power cable and connected to said belt wherein said trolley is positionable by said belt;

    so that said power cable is moved in either an extending or retracting direction and when said clutch assembly is in a drive mode, said drive pulley, said trolley and said idler pulley are driven wherein said trolley and said idler pulley are correspondingly displaced to maintain a substantially continuous condition of said power cable when said power cable is moved in the extending and the retracting directions, and when said clutch assembly is in a release mode, said power cable can be pulled for extension.

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