Patent ID: 8488269

Claim:
A library apparatus, comprising: a drive unit for writing data into or reading data from a cartridge; a cell unit having a plurality of cells to store the cartridges and a bottom plate in which a guide groove is formed; a movement unit for moving the cartridge along the guide groove between the cell and the drive unit, the movement unit being arranged under the cell unit; a control unit for controlling the movement unit to move up through the guide groove, to engage the cartridge, and to move the engaged cartridge; a housing; and a power supply unit, the power supply unit, the drive unit, the control unit and the movement unit are arranged on the bottom date of the housing, and the movement unit and the cell unit are arranged in an area of the housing other than the area where the power supply unit, the drive unit and the control unit are arranged, a clutch which engages a reel of the cartridge is provided on the top of the movement unit, and the clutch is movable up and down.