Bearing positioning member for a spindle motor

Details Bearing positioning member for a spindle motor Bearing positioning member for a spindle motor

2006-07-04

2006-07-04

Hannon, Thomas R. (Department: 3682)

Bearings

Rotary bearing

Antifriction bearing

C267S162000, C384S563000

Reexamination Certificate

active

07070336

ABSTRACT:
A conic bearing positioning member for a spindle motor includes a small diameter portion abutting against an inner race of a ball bearing of the spindle motor, a large diameter portion abutting against a rotor of the spindle motor, and at least one resilient connecting portion extending between the small diameter portion and the large diameter portion for biasing the ball bearing and the rotor away from each other, assuring a gap between the ball bearing and the rotor. The conic bearing positioning member may be a helical spring.

REFERENCES:
patent: 3932930 (1976-01-01), Dochterman
patent: 4634908 (1987-01-01), Sturm
patent: 5000589 (1991-03-01), Ogata et al.
patent: 5274289 (1993-12-01), Wrobel
patent: 5483113 (1996-01-01), Sakuragi et al.
patent: 5982064 (1999-11-01), Umeda et al.
patent: 6382606 (2002-05-01), Horng
patent: 6511303 (2003-01-01), Obara

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