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Package dimensional volume and weight determination system for conveyors

  • US 5,331,118 A
  • Filed: 11/27/1992
  • Issued: 07/19/1994
  • Est. Priority Date: 11/27/1992
  • Status: Expired due to Fees
First Claim
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1. A method for determining the dimensional volume of a package having sides and length, width and height on a conveyor belt having first and second side edges, comprising the steps of:

  • moving said package on said conveyor belt;

    skewing said package to tile first side of said conveyor belt to be aligned with a side parallel to the direction of movement of said conveyor belt;

    determining tile length of said package as it moves on said conveyor belt;

    providing a horizontally disposed strip below, and disposed perpendicular to the direction of, said conveyor belt and the level of said conveyor belt, said strip containing machine-readable indicia indicating units of incremental length along said strip starting from zero, said zero point disposed at said first side edge of said conveyor belt;

    providing a vertically disposed strip at said first side edge of said conveyor belt, said strip facing toward said second side edge, said strip containing machine-readable indicia indicating units of incremental length along said strip starting from zero, said zero point disposed at said first side edge of said conveyor belt;

    providing a horizontally disposed reader above said horizontally disposed strip and above the height of said package, said reader able to read said indicia on said horizontally disposed strip;

    providing a vertically disposed reader at said second side edge of said conveyor able to read said indicia on said vertically disposed strip;

    moving said package to a position to cover portions of said vertically and horizontally disposed strips adjacent to said first side edge, said package covering said indicia starting at the zero point of said vertically and horizontally disposed strips;

    reading by means of said vertically and horizontally disposed readers tile portions of indicia of said vertically and horizontally disposed strips not covered by said package;

    determining the lowest incremental length measurement of said indicia on said horizontally disposed strip, such measurement being tile width of said package;

    determining tile lowest incremental length measurement of said indicia on said vertically disposed strip, such measurement being the height of said package; and

    calculating the package'"'"'s dimensional volume by taking the product of said measurements for the length, tile height and the width of said package.

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