Patent ID: 6583956
Filing Date: 2003-06-24
Classification: G11B

Abstract:
A disc-shaped recording medium;a cartridge body having formed therein a disc compartment to house the disc-shaped recording medium; an access opening formed in the cartridge body and through which a part of the recording area of the disc-shaped recording medium, extending between lead-in and lead-out areas, is exposed outside for data read and write; a pair of shutter members provided movably towards and away from each other to open and close the access opening; a shutter open/close mechanism having a pair of guide recesses formed in a main side of the cartridge body obliquely in relation to the width of the cartridge body to support the pair of shutter members, respectively, to be movable; a guide member supporting the shutter member and movably engaged in the guide recess; an operating member to move the guide member; a transmission member connecting the guide member and operating member to each other to transmit an operating force from the operating member to the guide member; and support surfaces formed on the cartridge body to support the operating member moveably; the operating member being disposed at a lateral side of the cartridge body, generally perpendicular to the moving direction of the shutter member.