| 摘要 |
A disk drive motor and spindle assembly includes a drive motor having a drive shaft defining an axis of rotation, a centering hub, and a flat spiral spring. The centering hub has a spherical disk-receiving surface section about a sphere center and a cavity extending therein from its lower edge. The spiral spring mounts the centering hub with respect to the drive shaft with the sphere center located on the axis of rotation and in the plane of the spring.
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