Alternating push back selective rack storage system
First Claim
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1. A warehousing method, comprising the steps of:
- arranging a plurality of different types of storage racks into repetitive sets of racks, each set including at least one high movement rack of a predetermined type at the forward end of the set;
a plurality of medium movement racks of a predetermined type adjacent said high movement rack and being greater in number than said high movement rack; and
a plurality of low movement racks of a predetermined type adjacent said medium movement racks at the rear of said set and being greater in number than the number of said medium movement racks;
defining a picking stop adjacent said at least one high movement rack on each set of racks;
selectively loading items onto said storage racks depending upon the frequency of movement anticipated; and
retrieving or picking items from said storage racks to fill an order upon arriving at a said picking stop;
whereby by selectively grouping storage items into frequency of movement, an order selector can stop at said picking stop and select items to fill an order more efficiently by reducing the walking distance required and according to the tine for filling an order.
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Abstract
A flexible rack system for use in distribution centers servicing retail stores with food and non-food items and comprising rows of pallet storage racks of different types within the same row and arranged in a predetermined pattern of high movement, medium movement and low movement racks including both selective and push-back rack types which permit one filling an order to carry out his task with a minimum number of stops and a time for picking selected items being significantly reduced.
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Citations
15 Claims
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1. A warehousing method, comprising the steps of:
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arranging a plurality of different types of storage racks into repetitive sets of racks, each set including at least one high movement rack of a predetermined type at the forward end of the set;
a plurality of medium movement racks of a predetermined type adjacent said high movement rack and being greater in number than said high movement rack; and
a plurality of low movement racks of a predetermined type adjacent said medium movement racks at the rear of said set and being greater in number than the number of said medium movement racks;defining a picking stop adjacent said at least one high movement rack on each set of racks; selectively loading items onto said storage racks depending upon the frequency of movement anticipated; and retrieving or picking items from said storage racks to fill an order upon arriving at a said picking stop; whereby by selectively grouping storage items into frequency of movement, an order selector can stop at said picking stop and select items to fill an order more efficiently by reducing the walking distance required and according to the tine for filling an order. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for warehousing packaged goods, comprising:
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arranging a plurality of different type racks in a predetermined set of racks adjacent an aisle in a warehouse, said predetermined set of racks including a high movement push-back type of rack group, a medium movement push-back type of rack group, and a low movement selective type of rack group; locating a predetermined stop point on said aisle in proximity to said high movement rack group; loading items onto said storage racks in a predetermined order as a function of expected retrieval frequency; and retrieving or picking items from said storage racks upon arriving at said picking stop to fill an order; whereby by grouping storage items by their frequency of movement, an order selector can stop at said stop point and select items to fill an order selection, thereby reducing the walking distance in time for filling an order. - View Dependent Claims (12)
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13. A warehousing method, comprising the steps of:
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arranging a plurality of different types of storage racks into repetitive sets of racks, each set including at least one high movement rack of a push-back type at the forward end of the set;
a plurality of medium movement racks of said push-back type adjacent said high movement rack and being greater in number than said high movement rack; and
a plurality of low movement racks of a selective type adjacent said medium movement racks at the rear of said set and being greater in number than the number of said medium movement racks;defining a picking stop adjacent said at least one high movement push-back type rack of a set of racks and the last low movement selective type rack of the next forward set of racks; selectively loading items onto said storage racks depending upon the frequency of movement anticipated; and retrieving or picking items from said storage racks to fill an order upon arriving at a said picking stop; whereby by selectively grouping storage items into frequency of movement, an order selector can stop at said picking stop and select items to fill an order more efficiently by reducing the walking distance required and according to the time for filling an order. - View Dependent Claims (14, 15)
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Specification