Disk cartridge storage case and index card

A disk cartridge storage case in which a box-shaped body having a disk cartridge storage space and a disk cartridge insertion port communicating with the storage space is constituted by a storage case body and a cover openably/closably provided on the storage case body, said disk cartridge storage case comprising:

• a stopper means for locking said cover on said storage a case body in the closed state.

A disk cartridge storage case in which a box-shaped body having a disk cartridge storage space and a disk cartridge insertion port communicating with the storage space is constituted by a storage case body and a cover openably/closably provided on the storage case body,

• said disk cartridge storage case comprising:
• an index sheet placed in said storage space and fixedly held by closing said storage case body and said cover thereof,
• a rotation axis of the cover relative to said storage case body is set at a position where a distance between said rotation axis and an end of said cover which is located on an insertion port side is made shorter than a distance between said rotation axis and a bottom wall of said cartridge storage case.

A disk cartridge storage case in which a box-shaped body having a disk cartridge storage space and a disk cartridge insertion port communicating with the storage space is constituted by a storage case body and a cover openably/closably provided on the storage case body,

• wherein a dimension of said disk cartridge insertion port in the longitudinal direction is set so that a gap defined between said insertion port and a cartridge to be stored in the storage portion is not less than 14/10,000 times and not more than 100/10,000 times as large as a dimension of the cartridge in the longitudinal direction of the insertion port.