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Method and equipment for simultaneous excavation and land refill with minimum operating labor

  • US 5,782,020 A
  • Filed: 11/13/1996
  • Issued: 07/21/1998
  • Est. Priority Date: 11/13/1996
  • Status: Expired due to Fees
First Claim
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1. Equipment to excavate and refill soil comprising:

  • a) an excavator,b) a self propelled hopper-spreader,c) a wireless interconnection means between said excavator and said self propelled hopper-spreader to allow an operator of said excavator to control movement and operation of said hopper-spreader, said wireless interconnection means comprising a control panel mounted on said excavator and a receiver panel mounted on said hopper-spreader;

    said control panel having a TV screen therein and control buttons;

    with activation of each of said buttons broadcasting a separate signal to said receiver panel mounted on said hopper-spreader;

    said hopper-spreader having associated equipment to carry out said operation indicated by each of said signals;

    c) said operations, each activated by one of said control buttons, include;

    1. starting a motor to operate a hydraulic system that furnishes power for each operation of said hopper-spreader,2.

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