Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent
1993-10-07
1995-05-09
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
G11B 1702
Patent
active
054145759
ABSTRACT:
A magnetic disc drive device contains a cylindrical hub integrally rotating with a magnetic disc, the cylindrical hub having disc clamp holes defined in an end surface thereof; a motor for rotating the cylindrical hub; and a projecting member formed between the disc clamp hole and the magnetic disc to be clamped in such a manner that the projecting member is extended in the axis direction of the hub on said end surface of the hub.
REFERENCES:
patent: 4775906 (1988-10-01), Suzuki et al.
patent: 5214326 (1993-05-01), Yonei
Kabushiki Kaisha Sankyo Seiki Seisakusho
Tupper Robert S.
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