Disk spindle motor cap

Details Disk spindle motor cap Disk spindle motor cap

1990-05-03

1992-10-13

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9908, 277 80, 277135, 384133, E21B 3300, B65D 5306, G11B 1708, F16C 3374

Patent

active

051556405

ABSTRACT:
The present invention is a disk spindle motor cap. By affixing the cap to the cylindrical shaft of a disk drive, the amount of magnetic ferrofluid escaping from the well between the hub and the cylindrical shaft of the disk spindle assembly is reduced.

REFERENCES:
patent: 4673997 (1987-06-01), Gowda et al.
patent: 4777549 (1988-10-01), Dushkes et al.
patent: 4900042 (1990-02-01), Genda
patent: 4922406 (1990-05-01), Schuh
patent: 4995622 (1991-02-01), Fuse
patent: 4996613 (1991-02-01), Hishida
patent: 5001581 (1991-03-01), Elsasser et al.
patent: 5009436 (1991-04-01), Endo et al.
patent: 5011165 (1991-04-01), Cap

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