Patent ID: 6912725

Claim:
A disc cartridge, characterized by including: an aperture to access a disc-shaped medium, the aperture being formed in a case in which a disc-shaped disc medium is rotatably housed inside a cylindrical wall having a substantially cylindrical shape; a plate-shaped shutter main body which is rotated to open/close at least a part of the aperture; a shutter guide portion which is curved along the cylindrical wall and erectly provided to the shutter main body; and an operating member having one end portion joined to the shutter guide portion and the other end portion located at the outside of the case, the other end of the operating member being drawn from the external to rotate the shutter guide portion along the cylindrical wall when at least a part of the aperture is opened, wherein the operating member is joined so as to be slidable in the width direction of the shutter guide portion.