×

Order preparation method, an order picking cart and order preparation system

  • US 5,730,252 A
  • Filed: 02/27/1996
  • Issued: 03/24/1998
  • Est. Priority Date: 02/27/1995
  • Status: Expired due to Fees
First Claim
Patent Images

1. An order preparation method comprising assembling, in a receptacle placed on an autonomous cart, articles listed in an order from a customer and stored in a warehouse, comprising the following steps:

  • a) from the order, creating a list of articles to be picked indicating an identification of each article and quantity thereof,b) arranging the articles in the list according to their location in the warehouse, starting with the first article on the list so arranged,c) moving the cart in the warehouse to a point near the storage location of the article to be picked,d) picking the proper quantity of the articles,e) depositing the article or articles picked in the receptacle, andf) iterating, starting from step c), for the next article in order in the arranged list, until the list is complete,each stored article having a given weight associated with the identification and, between steps e) and f), conducting a process comprising weighing the receptacle, deducing the total weight of the articles deposited in step e), comparing this total weight with a theoretical weight equal to the unit weight of the article to be picked multiplied by the quantity of articles, and delivering a warning signal if the total weight of the articles deposited is different, plus or minus a tolerance value, from the theoretical weight.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×