Flexible magnetic disk cassette and a recording and/or reproduci

Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record

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Details

360 97, 360135, 346137, G11B 5012, G11B 5016, G11B 582, G01D 1524

Patent

active

044451555

ABSTRACT:
A flexible magnetic disk cassette having a disk enclosed in a cover formed of an upper half and a lower half, the lower half having a driving hole through which a center positioning pin of a driving means may extend into a center aperture of a center core disk rigidly and non removably secured at the center of the disk, the center core disk being further provided with driving and positioning means for receiving a driving pin of the driving means, said driving and positioning means structured so that engagement with the driving pin will cause the disk to move to bring the center aperture of the attached center core disk into proper centering engagement with the positioning pin.

REFERENCES:
patent: 3416150 (1968-12-01), Lindberg, Jr.
patent: 4060839 (1977-11-01), Meadows
patent: 4120012 (1978-10-01), Bowers
patent: 4149207 (1979-04-01), Porter, Jr. et al.
patent: 4152740 (1979-05-01), Stratton
patent: 4166622 (1979-09-01), Rager
patent: 4224648 (1980-09-01), Roling
patent: 4232870 (1980-11-01), Iemenschot
patent: 4274119 (1981-06-01), Hayward
patent: 4296448 (1981-10-01), Garcia
patent: 4340286 (1982-07-01), Carr
patent: 4352135 (1982-09-01), De Moss

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