Disc drive incorporating automatic wear compensation for a pivot

Details Disc drive incorporating automatic wear compensation for a pivot Disc drive incorporating automatic wear compensation for a pivot

1987-10-30

1989-07-04

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 555, G11B 2108

Patent

active

048455792

ABSTRACT:
In a disc drive, a lightweight, elongate actuator arm is provided supporting a high strength flexure. One end of the actuator arm carries a gear sector having teeth that mesh with a pinion carried on the stepper motor shaft. The gear sector and pinion are biased into engagement by a spring whose force extends directly along the access of the elongate actuator arm. The flexure supporting the transducer head extends out to the side of the actuator arm over the disc, and is positioned over selected tracks on the disc with rotation of the gear across the sector faces.

REFERENCES:
patent: 4556924 (1985-12-01), Quist, Jr. et al.
patent: 4631611 (1968-12-01), Schneider
patent: 4654737 (1987-03-01), Hopkins et al.
patent: 4745504 (1988-05-01), Foote

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