Patent ID: 7444654

Claim:
An optical disc cartridge comprising: a casing provided with a disc inserting/opening part for inserting/taking out a disc thereinto/therefrom at an upper surface thereof and an access hole which an optical pickup approaches at a lower surface thereof; a pair of shutters mounted in the casing for opening/closing the access hole and fixing the optical disc; a rotary wheel rotatably positioned on the shutters for moving the shutters; a wheel fixing/releasing means mounted at one side in the casing for fixing/releasing the rotary wheel; and a disc fixing/releasing means movably mounted at the casing for limiting inserting/taking out the disc into/from the disc inserting/opening part by adjusting a size of the disc inserting/opening part, comprising: substantially L-shaped guide holes formed on an upper surface of the casing, each one of the guide holes having a moving portion formed with predetermined width and height and an extending portion extended from one side of the moving portion in order to form a stopping portion; and a reciprocating type overlapping member formed in a predetermined shape and having guide portions adapted to fit into and move back and forth in the guide holes for reducing a size of the disc inserting/opening part, wherein the overlapping member reduces the size of the disc inserting/opening part by being overlapped with the disc inserting/opening part of the casing.