Disk drive having the motor core secured via the disk rotating b

Details Disk drive having the motor core secured via the disk rotating b Disk drive having the motor core secured via the disk rotating b

1999-01-21

2000-12-26

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

G11B 5016

Patent

active

061668788

ABSTRACT:
A motor for rotating a disk has a stator assembled on a motor chassis 50. The stator comprises a core assembly including a plurality of stator cores extending in a radial direction, stator coils each of which is wound around each of the stator coils, and a bearing unit 42-3 having a cylindrical shape for supporting a rotation shaft of the motor. The bearing unit has a flange portion 42-3a formed at its lower part. The flange portion is interposed between an attaching element 55-1 and the motor chassis. The core assembly and the bearing unit are fixed to the motor chassis by screws 56 inserted through the attaching element and the flange portion.

REFERENCES:
patent: 5877917 (1999-03-01), Nishizawa

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