Apparatus for optimizing contact between a rotating flexible mag

Details Apparatus for optimizing contact between a rotating flexible mag Apparatus for optimizing contact between a rotating flexible mag

1985-04-15

1987-03-24

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Head accessory

360105, 360106, 36013034, G11B 1560, G11B 554, G11B 555, G11B 2122

Patent

active

046529594

ABSTRACT:
A recording and reproducing apparatus having a magnetic head and a pad facing the magnetic head such as to form therebetween a passage for a flexible rotary magnetic sheet. The pad is provided with a protrusion which protrudes toward the magnetic sheet along the edge of the pad adjacent the radially outer end of the magnetic sheet. The pad is further provided with at least one inclined surface facing the magnetic sheet and inclined with respect to the plane of rotation of the rotary magnetic sheet, in the direction perpendicular to the line connecting the center of the magnetic head and the center of rotation of the magnetic sheet. The inclined surface is provided at the downstream portion of the pad as viewed in the direction of flow of air accompanying the rotating magnetic sheet.

REFERENCES:
patent: 4074330 (1978-02-01), Norton et al.
patent: 4214286 (1980-07-01), Ragle et al.
patent: 4414592 (1983-11-01), Losee et al.
patent: 4466032 (1984-08-01), Saito
patent: 4511944 (1985-04-01), Saito
IBM Technical Disclosure Bulletin, vol. 24, No. 11B, Apr. 1982, pp. 6169-6170 "Contoured Linear Pressure Pad . . . Disks", by Knappe et al.
IBM Tech. Disc. Bull., vol. 19, No. 6, Nov. 1976, p. 1962 "Soundhead Backup Pad", by Breyfogle et al.
IBM Tech. Disc. Bull., vol. 6, No. 9, Feb. 1964, pp. 57-58, "Pressure Pad for Magnetic Heads", by Bond.

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