Patent ID: 6449223
Filing Date: 2002-09-10
Classification: G11B

Abstract:
A library apparatus comprising a storage rack for storing a number of cartridges each accommodating a storage medium, a deck for carrying out access to the storage medium within an individual cartridge of the number of cartridges, and an accessor for transferring the individual cartridge between said storage rack and said deck, and constructed by coupling a plurality of lockers in which a traveling passage for said accessor lies to pass through said plural lockers, wherein sheet metal columns having a substantially same structure are set vertically at corner portions of said plural lockers, and a plane reference plate having a vertical surface parallel to a direction of the coupling of said plural lockers and an edge surface perpendicular to the direction of the coupling of said plural lockers is attached to each of said sheet metal columns, with said vertical surface of said plane reference plate being used as a reference plane when positioning one of the adjacent lockers with respect to the other.