High-speed stacker

  • US 7,201,554 B2
  • Filed: 01/25/2006
  • Issued: 04/10/2007
  • Est. Priority Date: 11/14/2003
  • Status: Active Grant
First Claim
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1. A material stacker, comprising:

  • a frame;

    a first plurality of stacking arms arranged along the frame;

    a second plurality of stacking arms arranged along the frame;

    one or more first electrically-controlled positioners configured to position the first plurality of stacking arms in a horizontal relationship with respect to the frame;

    one or more second electrically-controlled positioners configured to position the second plurality of stacking arms in a horizontal relationship with respect to the frame; and

    an electronic control system configured to independently control the operation of the first and second electrically-controlled positioners to operate the stacker,wherein the electronic control system is configured to control the speed, position, and acceleration of the stacking arms by sending separate signals to the first and second electrically-controlled positioners.

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