| 摘要 |
<p>PURPOSE:To provide a housing case for keeping a tape cassette, for example in a sealing state, by which locking in a fast sealingness can be ensured resisting against various kinds of shocks during transportation. CONSTITUTION:In order to lock a lid part 5 with a base part 3 in a closed state, the title housing case has a triple-locking structure which is provided with a first locking mechanism (an engaged projection 20 on the base part 3 side and an engaging projection 21 on the lid part 5 side), a second locking mechanism (a rotary locking plate 22 on the base part 3 side and another engaged projection 23 on the lid part 5 side) and a third locking mechanism (a slid locking plate 25 on the base part 3 side and another engaging projection 26 on the lid part 5 side).</p> |
