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Retard roll enhancement

  • US 5,211,388 A
  • Filed: 06/03/1992
  • Issued: 05/18/1993
  • Est. Priority Date: 06/03/1992
  • Status: Expired due to Fees
First Claim
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1. A sheet feeding apparatus adapted to advance sheets from a stack of sheets, comprising:

  • means for supporting the stack of sheets;

    means, mounted adjacent said support means, for advancing sheets from the stack;

    a retard member having a substantially arcuate surface, said retard member comprising a ribbed elastomeric roll in circumferential contact with a portion of said advancing means so as to form a nip therebetween ; and

    means for queuing and separating sheets being advanced by said advancing means from the stack, said queuing and separating means comprising a substantially planar member adapted to engage a lead edge of one portion of the sheets of the stack so as to initially separate a plurality of sheets from one side of the stack and a ring having a radius of curvature greater than the arcuate surface of said retard member, said ring having an interior diameter greater than the diameter of said ribbed elastomeric roll disposed so that said ring encircles said elastomeric roll and being adapted to engage a portion of the sheets of the stack.

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