Disc cartridge having a shutter

Details Disc cartridge having a shutter Disc cartridge having a shutter

1991-08-16

1993-12-21

Dzierzynski, Paul M.

Dynamic information storage or retrieval

Storage medium structure

Adjuncts or adapters

360133, 206444, G11B 2303

Patent

active

052726932

ABSTRACT:
A disc cartridge includes a cartridge main body which accommodates an optical recording medium, such as an optical disc or a magneto-optical disc, and which includes an aperture for exposing the optical recording medium at least partially to outside, a shutter for opening or closing the aperture, a shutter resetting spring for biasing the shutter towards a side closing the aperture and a shutter locking member for maintaining the shutter at a position closing the aperture. A shutter opening/closing member introducing groove having its open end on a side of the cartridge main body normal to the shutter sliding direction is formed along the front side of the cartridge main body parallel to the shutter sliding direction, and the free end of the shutter locking member is exposed partially to the groove to enable the disc cartridge to be loaded to a cartridge loading section of the recording/reproducing apparatus with the shutter sliding direction as the introducing or loading direction.

REFERENCES:
patent: 4787006 (1988-11-01), Iizuka et al.
patent: 4802047 (1989-01-01), Tanaka et al.
patent: 4803678 (1989-02-01), Tanaka et al.
patent: 4908726 (1990-03-01), Kato
patent: 5084862 (1992-01-01), Fujita et al.
patent: 5091901 (1992-02-01), Yamamoto et al.
patent: 5121380 (1992-06-01), Fujita et al.
patent: 5161080 (1992-11-01), Funayama et al.

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