Patent ID: 6118757
Filing Date: 2000-09-12
Classification: G11B

Abstract:
A protective cartridge for a data information disk comprising a case which defines a compartment for enclosing and containing a disk, said case including a base and a cover mounted for pivotal movement relative to said base between a closed position for containing said disk and an open position for permitting insertion and removal of said disk, a sliding door mounted on a forward end of said case for movement from a closed position covering said disk to an open position for exposing said disk during a read operation, said door having at least one shutter overlapping an outer planar surface of said case and a slider for supporting said shutter for movement relative to said case, a slider support rod, said slider having at least one mounting aperture through which said support rod extends for supporting said slider for relative movement, at least one return spring biasing said door in a closing direction when moved to the open position, said base having side walls formed with apertures adjacent the forward end of said case, said rod, slider, and at least one return spring forming a door subassembly, said rod having a length greater than the spacing between said sidewalls, and at least one of said rod and said base sidewalls being sufficiently resilient to permit mounting of said door subassembly by snap action engagement of said rod into said base sidewall apertures.