Spindle motor

Details Spindle motor Spindle motor

2011-03-22

2011-03-22

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S156260

Reexamination Certificate

active

07911092

ABSTRACT:
Embodiments of a spindle motor are provided. A spindle motor can include a base in contact with a bearing housing, a bearing installed in the bearing housing, a rotational shaft rotatably supported by the bearing, a stator disposed around the bearing housing and having a coil, a rotor including a rotor yoke fixed on the rotational shaft and a magnet fixed on the rotor yoke, a turntable provided above the rotor yoke and rotating together with the rotational shaft, and a plurality of balls provided in a space defined by the rotor yoke and the turntable.

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patent: 10-1999-0031832 (2001-03-01), None
patent: 10-2004-0005315 (2005-08-01), None

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