Storage and retrieval system
First Claim
Patent Images
1. A storage and retrieval system, comprising:
- a frame having at least two columns adjacent to one another;
a track disposed within each column, each track being generally parallel to one another;
a plurality of storage units that reside and move within the tracks of each column;
an actuator coupled to the frame for displacing one or more storage units in one or more of the columns;
a first upper conveyor comprising a vertically hanging hook selectively movable for drop-hang engagement with a catch top-mounted to each storage unit for movement of at least one storage unit between a first position in one column and a first position in another column; and
a second lower conveyor comprising a skid selectively movable between the at least two columns for supporting the bottom of at least one storage unit and carrying said storage unit in non-sliding relation between a second position in one column and a second position in another column;
wherein sequential activation of the actuator, the first conveyor, and the second conveyor permits sequential clockwise or counterclockwise movement of the plurality of storage units within the frame.
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Abstract
The storage and retrieval system includes a frame having at least two columns adjacent to one another. A track is disposed in each column, each track being generally parallel to one another. A plurality of storage units reside and move within the tracks. An actuator coupled to the frame displaces the storage units in the columns and a pair of conveyors move the storage units between columns to permit sequential clockwise or counterclockwise movement of the plurality of storage units within the frame.
34 Citations
21 Claims
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1. A storage and retrieval system, comprising:
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a frame having at least two columns adjacent to one another; a track disposed within each column, each track being generally parallel to one another; a plurality of storage units that reside and move within the tracks of each column; an actuator coupled to the frame for displacing one or more storage units in one or more of the columns; a first upper conveyor comprising a vertically hanging hook selectively movable for drop-hang engagement with a catch top-mounted to each storage unit for movement of at least one storage unit between a first position in one column and a first position in another column; and a second lower conveyor comprising a skid selectively movable between the at least two columns for supporting the bottom of at least one storage unit and carrying said storage unit in non-sliding relation between a second position in one column and a second position in another column; wherein sequential activation of the actuator, the first conveyor, and the second conveyor permits sequential clockwise or counterclockwise movement of the plurality of storage units within the frame. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification