Rotary air bearing head with leading edge controlling air bearin

Details Rotary air bearing head with leading edge controlling air bearin Rotary air bearing head with leading edge controlling air bearin

1974-04-08

1976-12-07

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 560, G11B 2120, G11B 1564

Patent

active

039966151

ABSTRACT:
In a helical drive tape apparatus, a rotary head drum is disposed between two sections of a split cylindrical mandrel about which a magnetic tape is guided. The head drum supports at least one magnetic transducer at its periphery, so that the total diameter of the head drum and projecting transducer is greater than the diameter of the adjacent mandrel sections. The projecting transducer has a spherical contoured portion and is configured at its leading edge, relative to the moving tape, to form an air bearing between the head and the tape. The spherical contoured portion and configured leading edge both project beyond the outer surface of the mandrel relative to the tape.

REFERENCES:
patent: 3404241 (1968-10-01), Streets et al.
patent: 3416148 (1968-12-01), Berghaus et al.
patent: 3504136 (1970-03-01), Maxey
patent: 3510604 (1970-05-01), Kell
patent: 3512145 (1970-05-01), Gabor
patent: 3614338 (1971-10-01), Emmasingel
patent: 3725606 (1973-04-01), Thompson
patent: 3821813 (1974-06-01), Freeman et al.

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