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Envelope flap opener apparatus

  • US 5,729,954 A
  • Filed: 09/04/1996
  • Issued: 03/24/1998
  • Est. Priority Date: 09/04/1996
  • Status: Expired due to Term
First Claim
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1. A high volume envelope flap opener apparatus, comprising:

  • (a) jet means for directing an oriented burst of pressurized gas to open said envelope flap;

    (b) conveyor means for sequentially moving a plurality of envelopes perpendicularly past said oriented burst of pressurized gas for said jet means(c) input means for sequentially supplying said plurality of envelopes to said conveyor means;

    (d) control means for activating said jet means according to the position of said plurality of envelopes in said conveyor means;

    (e) encoder means, interfaced with said control means, for monitoring the position of said envelopes in said conveyor means; and

    (f) error detection means for establishing if said envelope flap is open after said jet means operates on said envelope flap.

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