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. Each conveyor section can move a tray with a box 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 secured together by a driven chain in an endless loop, with the trays being supported on an endless array of horizontal undriven rollers.