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Sorting system for organizing randomly ordered route grouped mail in delivery order sequence

  • US 5,009,321 A
  • Filed: 11/13/1989
  • Issued: 04/23/1991
  • Est. Priority Date: 11/13/1989
  • Status: Expired due to Term
First Claim
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1. A system for sorting mail pieces for delivery by a mail carrier in a sequence corresponding to the mail carrier'"'"'s route comprising:

  • a. means for storing a database containing a delivery sequence for each address on the carrier'"'"'s route;

    b. means for feeding the mail pieces to be delivered by the carrier;

    c. means coupled to the feeding means for reading an address on each of said fed mail pieces;

    d. means, operatively connected to said reading means and said storing means, for determining a sorting sequence representative of said delivery sequence for each of the mail pieces;

    e. means for printing on each of the mail pieces a sequence code corresponding to said sorting sequence;

    f. sort means operatively connected to said determining means for depositing the mail pieces into sorting bins inn accordance with said sorting sequence wherein number of passes through said sort means and number of sorting bins needed to complete the sorting of the mailpieces always depends on the formula X=Yn, where X equals a maximum number of stops on the letter carrier'"'"'s route, Y equals the number of said sorting bins in the sorting system and n equals number of passes through the sorting system to complete the sort, the formula holding true for any number of stops.

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