Automatic storage/retrieval apparatus for articles

摘要

PCT No. PCT/JP87/01010 Sec. 371 Date Aug. 15, 1988 Sec. 102(e) Date Aug. 15, 1988 PCT Filed Dec. 21, 1987 PCT Pub. No. WO88/05018 PCT Pub. Date Jul. 14, 1988.Inner pickers (6) are provided for respective stages of racks (4) of storage areas (2, 3) to be movable on rails (7). Operations of the inner pickers (6) are independently controlled in the respective rack stages by optical communication through optical communication units (9).