Patent ID: 8582401

Claim:
A library device, comprising: a drive device comprising an opening and carrying out reading and writing of a recording medium that is accommodated in a data cartridge which is inserted and taken out through the opening; a cell comprising an opening and receiving a plurality of ones of said data cartridge which are inserted and taken out through the opening of said cell; a constant-force spring urging said plurality of ones of said data cartridge being accommodated in said cell, in a taking-out direction in which the data cartridge is taken out from said cell; a magazine provided with a plurality of ones of said cell; a picker mechanism inserting said plurality of ones of said data cartridge into said drive device and the plurality of ones of said cell, and taking out said plurality of ones of said data cartridge from said drive device and the plurality of ones of said cell; and an accessor mechanism equipped with said picker mechanism for transporting said picker mechanism between said drive device and each of the plurality of ones of said cell, wherein said drive device and the plurality of ones of said cell are aligned such that opening directions of the opening of said drive device and the openings of the plurality of ones of said cell in said magazine are a same direction, wherein at least one of the plurality of ones of said cell comprises a deep cell receiving the plurality of said plurality of ones of said data cartridge in an opening direction of the opening of said cell, and includes a cartridge lock holding said plurality of ones of said data cartridge in the plurality of ones of said cell by locking, in the opening of said cell; wherein said picker mechanism includes a picker arm that engages with an engagement hole in said plurality of ones of said data cartridge, and an ejection release part that releases locking of said cartridge lock, wherein said cartridge lock is movable between a first position at which said cartridge lock locks said data cartridge and a second position at which said cartridge lock releases said data cartridge, wherein, when said data cartridge is to be inserted in said cell, moving said data cartridge in an insertion direction in which said data cartridge is inserted into said cell by moving said picker mechanism in the insertion direction causes said cartridge lock to move from the first position to the second position by a tapered surface provided on said data cartridge, said tapered surface having a shape which is tapered in the insertion direction, and wherein, when said data cartridge is to be taken out from said cell, moving said accessor mechanism causes said cartridge lock to move from the first position to the second position by said ejection release part at a same time that said picker arm engages with said engagement hole.