Storage system including movable pallet racks

摘要

In a storage system, a plurality of storage racks are provided, the racks being movable to enable selection of passageways therebetween. A carriage is conveyable along the ends of the racks by individual conveyors supported at the rack ends, the carriage being movable into passageways formed between the racks. The racks or carriages supporting the racks are provided with rails mounted to support the movable carriage when it is positioned in any selected passageway. A fork lift device is provided on the carriage to enable selection of a vertical position in the racks.