| 摘要 |
<p>A protective cartridge for a data information disk comprising a disk containing case and a door (20) moveable on the case between a closed position covering the disk and an open position for exposing the disk during read operations. The door (20) is supported on a subassembly comprising a slider (21), a support rod (50) upon which the slider (21) is mounted, and a biasing spring (68) for urging the slider (21) towards a door closing position. The subassembly is mountable as a unit with easy snap action engagement into the case. The cartridge case further is defined by a base (12) and a pivotal cover (14) that have respective interchangeable latch members (88, 90) which, for purposes of security, can be disengaged only by means of pre-formed pins or tools inserted into respective access apertures (93) formed in a bottom wall of the cartridge base (12).</p> |
