Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent
1995-11-02
1997-06-03
Levy, Stuart S.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
360 9912, G11B 17028
Patent
active
056360843
ABSTRACT:
A magnetic disc drive motor contains a frame; a fixed shaft mounted on the frame; a ball bearing for rotatably supporting a magnetic disc by fitting an inner center hole of the magnetic disc on an outer ring of the ball bearing, an inner ring of the magnetic disc being secured to the fixed shaft; a rotor fixed to one end of the ball bearing, the rotor having a loading surface defined on an upper surface thereof; and a motor member including: a rotor member mounted in an inside of the rotor; and a stator member secured on the frame, wherein the inner peripheral portion of the magnetic disc fitted on the outer ring of the ball bearing is mounted on the loading surface of the rotor.
REFERENCES:
patent: 4945432 (1990-07-01), Matsudaira et al.
patent: 5045738 (1991-09-01), Hishida et al.
patent: 5047677 (1991-09-01), Mineta et al.
patent: 5128571 (1992-07-01), Itsu
patent: 5157295 (1992-10-01), Stefansky et al.
patent: 5247409 (1993-09-01), Sakaguchi
patent: 5274289 (1993-12-01), Wrobel
patent: 5450261 (1995-09-01), Ishizuka
Kabushiki Kaisha Sankyo Seiki Seisakusho
Levy Stuart S.
Miller Brian E.
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