Data storage apparatus using a flexible magnetic disk

Details Data storage apparatus using a flexible magnetic disk Data storage apparatus using a flexible magnetic disk

1977-03-10

1978-05-09

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 86, 360105, G11B 554, G11B 560, G11B 2504

Patent

active

040890295

ABSTRACT:
A data storage apparatus having a thin flexible disk with magnetic recording surfaces on both faces and a carriage embracing the disk and carrying a pair of transducers in contact with opposite faces of the disk. Each of the transducers is mounted on a relatively weak gimbal spring. Relative rigid load arms bear on dimples located at the centers of the transducers to form universal joint connections with the transducers. The gimbal springs and universal joint connections allow the transducers to pitch and roll with wobbling movements of the flexible disk without movement of the load arms. The load arms are mounted on relatively stiff gimbal spring portions for applying a predetermined force to the transducers holding them in engagement with the disk while allowing yielding movement of the transducers in directions normal to the disk engaging faces of the transducers.

REFERENCES:
patent: 3529301 (1970-09-01), Hiruta
patent: 3678481 (1972-07-01), Dalziel et al.
patent: 3702461 (1972-11-01), Cantwell
patent: 3713121 (1973-01-01), Fasano
patent: 3740736 (1973-06-01), Dion
patent: 3812535 (1974-05-01), Higgins et al.
patent: 3879757 (1975-04-01), Elliott et al.
patent: 3896495 (1975-07-01), Beecroft
patent: 3914541 (1975-10-01), Elliott
patent: 3914792 (1975-10-01), Beecroft

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