Disk drive device having stabilized spindle

Details Disk drive device having stabilized spindle Disk drive device having stabilized spindle

1992-11-20

1997-12-16

Levy, Stuart S.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

B11B 2504

Patent

active

056993447

ABSTRACT:
Disclosed herein is a disk drive device comprising a chassis; a spindle motor vertically movably mounted on the chassis, for rotatively driving a disk-shaped recording medium; a cam adapted to contact a pin projecting from the spindle motor, for vertically driving the spindle motor through the pin; a loading motor mounted on the chassis, for rotatively driving the cam; a block fixed to the chassis, for restricting an upper limit of a vertical stroke of the spindle motor: and a spring for biasing the spindle motor against the block. Accordingly, the spindle motor can be stably positioned in a loaded condition of the disk-shaped recording medium, and the construction can be simplified with no need of high accuracy of the cam.

REFERENCES:
patent: 4481619 (1984-11-01), Oozeki
patent: 4482993 (1984-11-01), Agoshini
patent: 4680748 (1987-07-01), Kobayashi
patent: 4941140 (1990-07-01), Ono et al.

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