Spindle motor

Details Spindle motor Spindle motor

2008-11-19

2010-12-07

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S066000, C310S06700R

Reexamination Certificate

active

07847451

ABSTRACT:
Provided is a spindle motor on which an optical disc is put, rotated and operated. The spindle motor includes a rotor, a stator, a stop washer, and a cap. The cap is put on a thrust supporter that supports a rotation shaft of the rotor, and the cap is pressed into a bearing housing and is closely attached to the bearing housing so that the cap can be easily, closely attached to the bearing housing and due to a press fit force, the cap can be coupled to the bearing housing without formation of a gap between the bearing and the bearing housing and leakage of oil can be prevented, and a press fit force of the bearing and a press fit force of the cap itself act on the cap so that the cap can be prevented from upward separation from the bearing housing.

REFERENCES:
patent: 4955791 (1990-09-01), Wrobel
patent: 7015610 (2006-03-01), Horng et al.
patent: 2003/0113045 (2003-06-01), Fujinaka
patent: 2007/0013246 (2007-01-01), Hong et al.
patent: 2007/0024137 (2007-02-01), Otsuki et al.
patent: 2007/0071374 (2007-03-01), Hong et al.
patent: 2007/0176504 (2007-08-01), Otsuki et al.
patent: 2007/0194644 (2007-08-01), Kanatani et al.
patent: 3339710 (1985-05-01), None
patent: 2001-286093 (2001-10-01), None
patent: 10-2005-0066023 (2005-06-01), None
Machine Translation DE3339710 (1985).

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