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Method and apparatus for determining the attitude of an implement

  • US 5,951,612 A
  • Filed: 07/26/1996
  • Issued: 09/14/1999
  • Est. Priority Date: 07/26/1996
  • Status: Expired due to Term
First Claim
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1. An apparatus for determining the fore to aft pitch of an implement on an earthmoving machine, the implement having a front surface and a back surface, and two end portions, comprising:

  • a vertical mast having a first end portion and a second end portion, said first end portion being attached to an end portion of said implement;

    a first laser receiver having a first set of laser detectors, said first set of laser detectors being arranged in a column and being attached to said second end portion of said vertical mast;

    a second laser receiver having a second set of laser detectors, said second set of laser detectors being arranged in a column and being attached to said second end portion of said vertical mast; and

    a computer being adapted to receive signals from said first set of laser detectors and said second set of laser detectors, and to compare a first signal from said first set of laser detectors to a second signal from said second set of laser detectors and responsively determine an angle of pitch of said implement.

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