| 摘要 |
<p>Provided is a disk cartridge having both side walls and housing a double-sided disk recording medium (7), formed in each side wall thereof with a head entry aperture (6a, 6b), and a spindle hole (5a, 5b), and comprising a U-like shutter (7) having shutter walls (7a, 7b) which are made in slidable contact with both side walls of the cartridge and slidably fitted on the cartridge so as to openably close at least the head entry apertures; wherein the shutter walls (7a, 7b) are formed therein with cover parts (71a, 71b) adapted to close at least the associated head entry apertures (6a, 6b), and openings (8a1, 8a2, 8b1, 8b2) on both sides of the cover parts (71a, 71b).</p> |
