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Sheet handling apparatus having controlled pressure rolls to ensure feeding of a single sheet

  • US 5,295,675 A
  • Filed: 07/02/1993
  • Issued: 03/22/1994
  • Est. Priority Date: 03/23/1993
  • Status: Expired due to Term
First Claim
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1. Sheet handling apparatus, comprising:

  • first feeding means for removing sheets from a stack;

    second feeding means for receiving sheets fed thereto by said first feeding means;

    third feeding means for receiving sheets fed thereto by said second feeding means;

    sheet feed restraining means associated with said second feeding means and arranged to inhibit the feeding of two or more superposed sheets to said third feeding means;

    pressure means movable between a home, nonoperative position in which said pressure means are out of cooperative association with said second feeding means, and an operative position in which said pressure means are in cooperative association with said second feeding means; and

    sensing and control means for sensing in operation a cessation in the feeding of sheets from said second feeding means to said third feeding means and for causing said pressure means to be moved to said operative position in the event of such cessation so as to press a sheet engaged by said second feeding means against said second feeding means and thereby facilitate the feeding of this sheet to said third feeding means.

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