File protect sleeve

Details File protect sleeve File protect sleeve

1980-05-27

1982-03-16

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Recording-or erasing-prevention

360132, G11B 1504, G11B 2302

Patent

active

043204228

ABSTRACT:
Structure for providing a file protect function for a cartridge which houses a magnetic recording medium includes a sleeve molded integrally with the cartridge. The sleeve has diametrically opposed slots and a rotary file protect actuator disposed in the sleeve has diametrically opposed projections which engage the sleeve slots to hold the actuator in position. The actuator may be rotated 180.degree. by a screwdriver or other tool, and this rotation controls the enabling or disabling of the circuitry for recording on the magnetic medium to provide a file protect function.

REFERENCES:
patent: 3692956 (1972-09-01), Northrup
patent: 3950786 (1976-04-01), Shapley
patent: 4003088 (1977-01-01), Schwartz
patent: 4012011 (1977-03-01), Sziro

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