Veneer sorting apparatus

  • US 5,573,121 A
  • Filed: 11/03/1994
  • Issued: 11/12/1996
  • Est. Priority Date: 11/03/1994
  • Status: Expired due to Term
First Claim
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1. Veneer sorting apparatus for sorting a moving stream of variable width veneer pieces conveyed into said apparatus, by deflecting said respective pieces into one of three output paths in response to a signal representative of width of said respective pieces such that each of said paths contains substantially only veneer pieces having a selected width range, said apparatus comprising:

  • (a) a first vacuum source;

    (b) a first plurality of vacuum ports coupled to said first vacuum source, positioned closely proximate to said conveyed moving stream and spaced transversely across said conveyed moving stream to draw said veneer pieces toward a first one of said output paths;

    (c) a plurality of dampers coupled to said respective first vacuum ports and responsive to said signal to temporarily decouple said first vacuum ports from said first vacuum source if a veneer piece having a width less than a first selected width is adjacent any of said first vacuum ports;

    (d) a first pivotable finger downstream of said first vacuum ports and responsive to said signal to sort veneer pieces having a width less than a second selected width by deflecting said pieces having a width less than said second selected width into a second one of said output paths; and

    ,(e) a second pivotable finger downstream of said first finger and responsive to said signal to sort veneer pieces having a width less than said first selected width and greater than said second selected width by deflecting said pieces having a width less than said first selected width and greater than said second selected width into a third one of said output paths.

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