Data information disk cartridge and method of assembly and use

摘要

A protective cartridge for a data information disk having a disk containing case and a door moveable on said case between a closed position covering the disk and an open position for exposing the disk during a read operation. The door is supported on a subassembly comprising a slider, a support rod upon which said slider is mounted, and a biasing spring for urging the slider toward a door closing position. The subassembly is mountable as a unit with easy snap action engagement into said case.