Patent ID: 8767517

Claim:
A library device, comprising: a power supply device to supply electricity to the library device; a medium housing device which can house a plurality of computer-readable media; a medium reading/writing device to reading/writing data from/to the medium; a medium conveying mechanism to convey the medium between the medium housing device and the medium reading/writing device; a control device to control operation of the library device; a first connection device to which the power supply device and the control device can be electrically connected when these devices are installed and from which the power supply device and the control device can be disconnected when these devices are extracted and a second connection device to which the medium reading/writing device can be electrically connected when the medium reading/writing device is installed, from which the medium reading/writing device can be disconnected when the medium reading/writing device is extracted, and which is electrically connected to the first connection device, wherein the power supply device, the first connection device, and the control device are disposed along any one of two sides of the library device, and one of the first connection device is disposed between the power supply device and the control device and whereby, the first connection device is connected to the power supply device and the control device.