Patent ID: 7785005

Claim:
A cassette accommodating device configured to accommodate cassettes of a plurality of sizes, each cassette housing a rechargeable battery and a radiation detection unit that is supplied with power from the rechargeable battery and that generates a radiographic image according to an amount of received radiation and each cassette being provided with a power receiving unit that receives power for recharging the rechargeable battery on at least one of two connected side faces of each cassette, the device comprising: a groove portion formed with a sloping face that faces one of the two connected side faces of an accommodated cassette and a bottom face that faces another of the two connected side faces of the accommodated cassette, the bottom face being inclined such that the cassette moves toward the sloping face when the cassette is loaded into the device, wherein a power supply unit is formed to the sloping face and/or the bottom face so as to supply power to the power receiving unit when the cassette has been accommodated.