Method of storing articles in a warehouse to form an imaginary link of articles

• US 4,109,808 A
• Filed: 06/08/1976
• Issued: 08/29/1978
• Est. Priority Date: 04/18/1973
• Status: Expired due to Term

• Current Assignee: Hitachi, Ltd.
• Original Assignee: Hitachi, Ltd.
• Inventors: Hirasawa, Kotaro, Tamura, Hiroshi, Hamada, Nobuhiro, Hatada, Minoru
• Primary Examiner(s): Hoffman, Drayton E.
• Assistant Examiner(s): Johnson, R. B.
• Application Number:
  US05/693,980
• Time in Patent Office: 812 Days
• Field of Search: 214/16.4 A, 214/16.4 B, 214/16.1 A, 214/152, 214/16 B, 444/1, 235/150
• US Class Current: 414/807
• CPC Class Codes: B65G 1/1373 for fulfilling orders in warehouses
• CPC Class Codes: G06Q 10/08 Logistics, e.g. warehousing, loading or distribution; Inventory or stock management

Abstract

A method of storing articles in a warehouse having a plurality of storage blocks arranged adjacent each other with each of the storage blocks having a plurality of spaced racks for storing articles and linearly extending aisles between the racks. The warehouse also includes article transfer apparatus arranged for movement in respective aisles to transfer articles relative to a given location within a respective storage block and a control arrangement for operating the article transfer apparatus in accordance with a predetermined mode to transfer articles relative to said storage blocks. The method of storing includes the steps of storing a plurality of different articles in the storage blocks with at least two different articles in each storage block, storing in a first storage block at least one and another different articles, storing in a second storage block at least one article common to the one different article in the first storage block and at least one additional different article, storing in a third and any succeeding storage block at least one article common to the at least one additional different article of the immediately preceding storage block and at least one further different article, and storing in the last storage block as the at least one further different article an article common to the another different article of the first storage block to form an imaginary loop of articles in the warehouse.

Claims

1. A method of storing articles in a warehouse that comprises a plurality of storage blocks arranged adjacent each other, each of the storing blocks having a plurality of spaced racks for storing articles, linearly extending aisles between said racks, article transfer means arranged for movement in respective aisles to transfer articles relative to a given location within a respective storage block, control means for operating said article transfer means in accordance with a predetermined mode to transfer articles relative to said storage blocks, comprising the steps of:

storing a plurality of different articles in said storage blocks with at least two different articles in each storage block;

storing in a first storage block at least one and another different articles;

storing in a second storage block at least one article common to the one different article in said first storage block and at least one additional different article;

storing in a third and any succeeding storage block at least one article common to said at least one additional different article of the immediately preceding storage block and at least one further different article; and

storing in the last storage block as said at least one further different article an article common to said another different article of said first storage block to form an imaginary loop of articles in said warehouse.

2. The method according to claim 1, further comprising the step of controlling by said control means the sequential entry and delivery of the plurality of articles by said article transfer means to and from said storage blocks in accordance with the predetermined mode.

3. The method according to claim 1, further comprising the step of storing in each of at least two storage block groups formed out of said plurality of storage blocks at least said plurality of different articles.

4. The method according to claim 3, wherein the step of storing in each of at least two storage block groups includes storing said plurality of articles in said plurality of storage blocks as one of the at least two storage block groups.

5. The method according to claim 3, wherein said control means includes a memory means for storing information of said at least two storage block groups, said plurality of storage blocks and said plurality of articles stored in the warehouse in accordance with the predetermined mode and wherein articles are delivered from the warehouse in response to an order from a customer comprising the steps of:

setting and storing a plurality of delivery command signals corresponding to the one customer order in said memory means; and

selecting a storage block group for responding to all of the delivery command signals for the one customer order in accordance with said delivery command signals and said stored information in the memory means.

6. The method according to claim 5, further comprising the steps of:

determining a delivery sequence schedule for the selected storage block group;

storing the delivery sequence schedule in the memory means; and

transmitting a delivery command signal to said article transfer means in accordance with the delivery sequence schedule for delivering the articles requested by the one customer order.

7. The method according to claim 6, further comprising the step of automatically updating the stock amount of the warehouse in accordance with the storage and delivery conditions and storing the updated stock amount in the memory means.

8. The method according to claim 6, wherein the step of selecting a storage block group includes the steps of:

determining the affected work amount for each storage block group for filling the one customer order and generating a signal in accordance therewith;

determining the affected concentration work amount for each storage block group for filling the one customer order and generating a signal in accordance therewith;

determining the balance of delivery work amount for article transfer means associated with respective storage blocks in the warehouse and generating a signal in accordance therewith; and

selecting a storage block group from the at least two storage block groups in response to the signal of affected work amount, affected concentration work amount and balance of delivery work amount so as to optimize the utilization of the warehouse and article transfer means for filling each customer order.