Storage and retrieval system.

摘要

A storage and retrieval system has a plurality of conveyor sections mounted one above the other on a frame. Eah conveyor section can move a tray (40) with a box (59) of articles thereon between a loading station and a picking station automatically according to a keyboard entry control. Each conveyor section has a plurality of the trays (40) secured together by a driven chain (13) which extends in an endless loop guided by a chain guide (26), with the trays (40) being coupled to the chain (13) by upwardly extending extensions (38) of the pins of the links of the chain (13) and the trays (40) supported on an endless array of horizontal undriven rollers (43).