| 摘要 |
A disk cartridge includes a substantially box-shaped outer case that has an opening on one end face, and an inner case that is housed in the outer case such that the inner case can be pulled out and has a concave portion for an optical disk to be placed therein. In an end portion on a side of the opening of each of an upper side plate and a lower side plate of the outer case, a substantially V-shaped cutout formed by a substantially circular arc and an inclined substantially straight line is formed. In the inner case, a substantially U-shaped cutout formed by a substantially circular arc and two inclined substantially straight lines is formed. The substantially straight line forming the substantially V-shaped cutout and the two substantially straight lines forming the substantially U-shaped cutout are virtually parallel to each other. The inner case further includes a cover that is opposed to a bottom face of the concave portion and fitted in the substantially V-shaped cutout when the inner case is housed in the outer case. Thus, a disk cartridge can be provided that allows a size reduction of a drive into which a single disk cartridge is loaded, and also can be used suitably in a changer drive.
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