Record disk cartridge

Details Record disk cartridge Record disk cartridge

1977-10-27

1978-12-26

Dixson, Jr., William T.

Special receptacle or package

For body treatment article or material

Bandage, drape or dressing

206303, 360133, B65D 8502, B65D 8530, G11B 2304

Patent

active

041311990

ABSTRACT:
A record disk cartridge has a single internal shutter for opening and closing a head access port adjacent a spindle access member in one wall. A further aperture allows the shutter to be actuated to an open position as the cartridge is moved into a playing position. The shutter also brakes the disk against movement when the cartridge apertures are closed. A magnetic coupling enables rotation of the disk inside the cartridge.

REFERENCES:
patent: 1844952 (1932-02-01), Freedman et al.
patent: 3416150 (1968-12-01), Lindberg, Jr.
patent: 3529301 (1970-09-01), Hiruta
patent: 3593327 (1971-07-01), Shill

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