Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent
1994-03-02
1995-10-10
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
360 9808, G11B 1702
Patent
active
054575893
ABSTRACT:
A specially designed disc-mounting hub is provided having a disc-mounting flange protruding from a substantially cylindrical hub portion. A disc-mounting flange has a raised surface about the periphery of the flange upon which the disc rests. A lapped or ground spacer rests on the surface of the hub above the flange, and the disc in a single disc system or the bottommost disc in a multiple disc system rests upon this spacer. The opposite side of the disc in a single disc device is then clamped in place; if a plurality of discs are being utilized, the remainder of the discs are alternately stacked with spacer rings upon the first disc. A clamping ring is attached opposite the disc or discs-mounting flange and working cooperatively with the flange and ground spacer imparts a force upon the disc and spacer ring stack to hold the discs in place.e
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Heiner Gerold
Jennings David J.
Leuthold Hans L.
MacLeod Donald J.
Seagate Technology Inc.
Tupper Robert S.
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