| 摘要 |
A disk cartridge is provided that has an optical disk ( 2 ) encased therein. It includes a cartridge body ( 5 ) having formed therein a head opening ( 13 ) through which a part of the disk, ranging from the inner to outer radius, is exposed to outside, a shutter member ( 21 ) including a shutter ( 22 ) that covers and uncovers the head opening and installed to the cartridge body to be movable between a position to cover the head opening and a position to uncover the head opening, and shutter movement limiter ( 41 ) provided on an elastic moving piece ( 36 ) coupled to a coupling arm ( 35 ) extending from one side of the shutter member and that is engaged on a movement limiter ( 45 ) provided on the cartridge body, when the shutter member is in a position to cover the head opening, to limit the shutter member from moving in a direction of uncovering the head opening.
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