Patent ID: 7373649
Filing Date: 2008-05-13
Classification: G11B

Abstract:
1. A disk cartridge having a double structure for rotatably accommodating a disk-shaped recording medium having upper and lower surfaces, comprising: an inner case covering both of the upper and lower surfaces of said disk-shaped recording medium for accommodating said disk-shaped recording medium therein, said inner case having an inner head insertion aperture and an inner spindle insertion aperture; an outer case located outside said inner case, said outer case having an outer head insertion aperture provided in a position where said outer head insertion aperture overlaps with said inner head insertion aperture, and an outer spindle insertion aperture provided in a position where said outer spindle insertion aperture overlaps with said inner spindle insertion aperture; and a shutter disposed between said inner case and said outer case, for opening and closing said inner head insertion aperture and said outer head insertion aperture, and said inner spindle insertion aperture and said outer spindle insertion aperture.