Magnetic disk drive with improved vibration characteristics

Details Magnetic disk drive with improved vibration characteristics Magnetic disk drive with improved vibration characteristics

2006-02-15

2010-10-05

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S090500, C360S098070, C360S099070, C384S107000, C384S112000

Reexamination Certificate

active

07808139

ABSTRACT:
Embodiments of the invention provide a magnetic disk drive having improved vibration characteristics and a reduced size. In one embodiment, a magnetic disk drive comprises: a motor shaft for rotating a magnetic disk; a sleeve for rotatably supporting the motor shaft; and a motor hub into which the motor shaft is press fit. The motor hub supports the magnetic disk and includes a projection portion having an inner surface and an outer surface. The inner surface is in contact with the press-fit motor shaft in directions perpendicular to the rotational axis of the motor shaft. The outer surface faces the sleeve.

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