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Diagnostic device for material handling system and method of diagnosing

  • US 8,260,574 B1
  • Filed: 12/22/2008
  • Issued: 09/04/2012
  • Est. Priority Date: 12/21/2007
  • Status: Active Grant
First Claim
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1. A diagnostic device for evaluating a conveying system adapted to transport articles over an endless web of slats in a direction of conveyance, said endless web of slats adapted to travel in an endless loop adjacent a plurality of stationary surfaces, said diagnostic device comprising:

  • a body having first and second ends;

    a first force sensor positioned adjacent said first end of said body and adapted to detect a first amount of force exerted by a first portion of said diagnostic device against a first one of said stationary surfaces, said first force oriented in a direction substantially parallel to a longitudinal axis of said body extending from said first end to said second end;

    a second force sensor positioned adjacent said second end of said body and adapted to detect a second amount of force exerted by a second portion of said diagnostic device against a second one of said stationary surfaces, said second force oriented in a direction substantially parallel to said longitudinal axis;

    a reference object sensor attached to said body and adapted to detect a reference object positioned at a known location along said endless loop; and

    a transmitter attached to said body and adapted to wirelessly transmit data to a remote receiver, said data being related to said first and second amounts of force and a position of said reference object.

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