| 摘要 |
PURPOSE: A disk cartridge is provided to reduce the area opened to the outside while being used in a record reading operation by opening an inner shutter accessed by a pickup, thereby preventing a disk from being polluted by dusts. CONSTITUTION: A disk cartridge(20) includes upper and lower cases(21,22) forming a space for collecting a disk(D) and a shutter opening and shutting apertures(21a,21b) which are respectively formed on both sides of the case, wherein the shutter includes a pair of inner shutter(25,26) slidably installed at the case to open and shut each aperture, and an outer shutter(24) installed to slide on the inner shutter and connected with the pair of inner shutters by a predetermined interworking element to selectively open one of the inner shutters.
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