Method and System for Transporting Inventory Items
3 Assignments
0 Petitions
Accused Products
Abstract
A system for transporting inventory items includes an inventory holder capable of storing inventory items and a mobile drive unit. The mobile drive unit is capable of moving to a first point with the inventory holder at least one of coupled to and supported by the mobile drive unit. The mobile drive unit is additionally capable of determining a location of the inventory holder and calculating a difference between the location of the inventory holder and the first point. The mobile drive unit is then capable of determining whether the difference is greater than a predetermined tolerance. In response to determining that the difference is greater than the predetermined tolerance, the mobile drive unit is also capable of moving to a second point based on the location of the inventory holder, docking with the inventory holder, and moving the mobile drive unit and the inventory holder to the first point.
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Citations
52 Claims
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1-32. -32. (canceled)
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33. A system for inventory management, comprising:
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a two-dimensional grid of fiducial marks; a plurality of inventory holders, each of the plurality of inventory holders associated with a fiducial mark; a plurality of mobile drive units, each mobile drive unit operable to; move beneath an inventory holder at a first location in the two-dimensional grid; lift the inventory holder at the first location; move while the inventory holder is lifted from the first location to a second location in the two-dimensional grid; lower the inventory holder at the second location; and move away from the second location. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42)
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43. A method for transporting inventory items, comprising:
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moving a mobile drive unit beneath an inventory holder; lifting the inventory holder with the mobile drive unit; and moving the mobile drive unit while the inventory holder is lifted. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50, 51, 52)
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Specification