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Automatic system for changing the electricity supply source on a mobile operating arm unit

  • US 4,700,121 A
  • Filed: 05/06/1986
  • Issued: 10/13/1987
  • Est. Priority Date: 05/10/1985
  • Status: Expired due to Fees
First Claim
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1. In combination:

  • a station including an auxiliary power supply network;

    at least one charged power supply source stored at said station;

    a mobile unit, an in-use power supply source carried on said unit, and an operating arm mounted to said unit switchably electrically connected to said in-use source, said arm being adapted to manipulate each of said in-use and charged sources;

    reversibly engageable means connecting said auxiliary network to said unit for powering said arm; and

    means for instructing said arm to engage said in-use source and move it from said unit to said station, and to subsequently engage said charged source and move it from said station to said unit in replacement of said in-use source, when said arm is powered by said auxiliary network.

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