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Workpiece engagement checking apparatus

  • US 8,665,453 B2
  • Filed: 06/26/2012
  • Issued: 03/04/2014
  • Est. Priority Date: 06/26/2012
  • Status: Active Grant
First Claim
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1. A method for detecting complete or incomplete engagement of two mateable work pieces, comprising:

  • prestoring reference acceptable surface profile dimensional data of an exterior surface of at least one of two engageable work pieces representing the two work pieces in a complete engagement position, wherein the surface profile dimensional data varies if the two work pieces are fully engaged or not fully engaged;

    engaging the two mateable work pieces;

    locating a scanning profile laser sensor and the two engaged workpieces in a measurement relationship;

    scanning an exterior surface of at least one of the two engaged work pieces with the scanning profile laser sensor to generate surface profile dimensional data of the exterior surface of at least one of the two engaged work pieces;

    comparing the scanned surface profile dimensional data with the pre-stored reference acceptable surface profile dimensional data representing a complete engagement position of the two work pieces; and

    generating, based on the comparison, an output signal corresponding to one of a complete engagement state or a non-complete engagement state of the two work pieces.

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