Protective cartridge for rewritable optical disk

Details Protective cartridge for rewritable optical disk Protective cartridge for rewritable optical disk

1997-08-11

1998-08-11

Cao, Allen

Dynamic information storage or retrieval

Storage medium structure

Adjuncts or adapters

360133, G11B 584, G11B 2303

Patent

active

057937427

ABSTRACT:
A rewritable optical disk is protectively enclosed in a cartridge having a base and having a hinged cover which is swingable to an open position permitting removal of the disk from the cartridge. A door with shutters is slidable on the cartridge between open and closed positions relative to access apertures formed in the cover and the base. The shutter for the access aperture in the cover is hinged relative to the remainder of the sliding door to enable that shutter to swing as the cover is opened and closed. The cover carries an axially and radially floatable hub which coacts with the optical disk and the spindle of the disk drive to establish a precisely concentric relation between the disk and the spindle.

REFERENCES:
patent: 4669078 (1987-05-01), Ogusu
patent: 4702369 (1987-10-01), Philosophe
patent: 4746013 (1988-05-01), Suzuki et al.
patent: 4908817 (1990-03-01), Sandell et al.
patent: 5268808 (1993-12-01), Childers
patent: 5579297 (1996-11-01), Childers et al.

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