Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1978-11-28
1980-04-08
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
360104, G11B 1566, G11B 1732
Patent
active
041975669
ABSTRACT:
First and second gimbal springs are used for following precisely a magnetic head slider held by a head holder on a recording surface of a rotating magnetic disc. The head slider is held on a front surface of the first gimbal spring at the center and a pivot is fitted on the center of the second gimbal spring and the end of the pivot is contacted with the rear surface of the first gimbal spring at the center and the first and second gimbal springs are in flat in a free condition. During the working time when contacting the head slider with the recording surface in a floating condition, the gimbal spring in the side of the recording surface is in substantially flat whereas during the non-working time, both gimbal springs are formed to expand to both sides.
REFERENCES:
patent: 3593326 (1971-07-01), Turner et al.
patent: 3864749 (1975-02-01), Stansell
patent: 3896495 (1975-07-01), Beecroft
patent: 4058843 (1977-11-01), Gyi
Inumochi Mitsuo
Suzuki Shigehisa
Mitsubishi Denki & Kabushiki Kaisha
Wolff John H.
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