Spacer supports for flexible disk structures

Details Spacer supports for flexible disk structures Spacer supports for flexible disk structures

1975-04-02

1976-07-13

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 98, 360102, G11B 5016, G11B 1732, G11B 564

Patent

active

039697673

ABSTRACT:
Semi-rigid washers are coaxially disposed to form an air-permeable spindle for coaxially supporting flexible record disks. A plurality of such washers and disks is coaxially stacked to construct a flexible disk file. Washers preferably have an annular shoulder with a depth slightly different than the thickness of the record disks for firmly supporting and aligning same in the coaxial stack. Alternatively, disks may be adhesively secured to a radial outward portion of each washer. Additionally, each washer has a plurality of radially extending air passageways for facilitating radial air movement which controls the stack of flexible record disks. A radial inward portion of each washer abuts each adjacent washer for forming a firm axial stack of disks. A rigid stabilizing plate at each axial end completes the assembly.

REFERENCES:
patent: 3846837 (1974-11-01), Jacques
"Spaced Flexible Disk File With Central ventilation" Barbeau et al., I.B.M. Tech. Disc. Bull., vol. 17, No. 3, Aug. 1974, p. 814.
"Multiple Magnetic Disk Removable Pack," Herring et al., I.B.M. Tech. Disc. Bull., vol. 17, No. 2, July 1974, p. 503.

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