| 摘要 |
<p>A cartridge is capable of, with a recessed portion exposed when a shutter member moves to a closing position, engaging with swellings provided within a storage case when the cartridge is inserted into the storage case, and can be thereby prevented from coming off the storage case. When the shutter member moves to an opening position, the recessed portion is covered with the shutter member. When inserted into a recording/reproducing apparatus for a recording medium, a mechanism of the recording/reproducing apparatus can be therefore prevented from being caught on the recessed portion by the recessed portion being covered with the shutter member. <IMAGE> <IMAGE></p> |
