Patent ID: 9415933
Filing Date: 2016-08-16
CPC Classification: B65G

Claim Text:
1. An article storage device comprising: a warehouse including storage racks to store articles; a crane configured to be capable of moving along the warehouse; a cage suspended from the crane so as to be capable of going up and down; and a carriage disposed on the cage so as to be capable of traveling between the cage and the storage racks, wherein the cage includes outriggers configured to be capable of extending and retracting with respect to the storage racks and to be capable of being engaged with the storage racks, each of the storage racks includes first engagement portions disposed at portions with which the outriggers are engaged, and a second engagement portion disposed adjacent to one of the first engagement portions in an extending and retracting direction of the outriggers, the second engagement portion is configured to be capable of positioning one of the outriggers, and the article storage device is configured so that one of the outriggers is engaged with the second engagement portion disposed in a side to which the carriage travels, and the others of the outriggers are engaged with the first engagement portions, wherein the cage is configured to be capable of going up and down between masts constituting pillars of the crane, and includes guide rollers configured to be capable of contacting the masts and to be capable of being separated from the masts, and the guide rollers are configured to move to separation positions disposed apart from the masts when one of the outriggers is positioned on the second engagement portion, wherein each of the guide rollers includes wherein the supporting member is provided on the cage, and the arm links the roller and the supporting member.