Patent ID: 6846146

Claim:
A load storage system comprising: at least two rotary racks supported independently on respective stories; the rotary racks each rotatable on a first vertical axis; the rotary racks each including a plurality of load supports arranged circumferentially around the first vertical axis and arranged vertically; a common transferrer extending vertically through a floor between the stories on which the racks are supported, the transferrer including a carrier vertically movable so as to carry loads to and from the load supports of the racks, said common transferrer further comprising a post, a lift vertically movable along the post, and a turner supported on one side of the post by the lift and rotatable on a second vertical axis; the carrier supported on the turner and horizontally movable in opposite directions between a retracted position on or over the turner and a protruded position; a rectangular-box shaped housing provided on each of the said at least two stories so as to accommodate the rotary rack at one side within the housing and at least part of the transferrer at the other side; and at least one fixed rack fitted on at least one of the stories and adjacent to one of the rotary racks; the fixed rack and the adjacent rotary rack arranged around the transferrer; wherein the carrier is rotatable about the second vertical axis so as to rotate between positions, each position being adjacent to one of the fixed rack and the adjacent rotary rack.