Disk file with symmetrical hollow base

Details Disk file with symmetrical hollow base Disk file with symmetrical hollow base

1979-03-16

1981-04-21

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

G11B 1702

Patent

active

042636299

ABSTRACT:
A disk file wherein the actuator(s) for the magnetic head(s) are mounted within and supported by a hollow symmetrical generally ring-shaped base as closely as possible to a neutral plane that divides opposing walls of the base into substantially symmetrical parts. The disk stack is supported with its spindle normal to the neutral plane and its center of gravity substantially coincident with said plane. This substantially eliminates bending of the base out of the plane of the disks resultant from temperature gradients and from reaction forces set up when the voice coil motor actuator moves the head(s).

REFERENCES:
patent: 4062049 (1977-12-01), Dirks

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