Disc drive linear actuator

Details Disc drive linear actuator Disc drive linear actuator

1984-04-25

1986-02-04

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360109, G11B 554

Patent

active

045689920

ABSTRACT:
A head positioning apparatus for positioning magnetic heads relative to a recording medium is disclosed herein. This apparatus includes a carriage adapted to mount magnetic heads and a carriage guide for linearly guiding the carriage to position the heads relative to a recording medium. A linear drive mechanism is provided for imparting linear movement to the carriage. The carriage is supported for movement relative to the guide and comprises a plurality of bearings captured in grooves in the guide and the carriage, at least one of the bearings is on each side of the carriage, and a retainer movable parallel and proportionately to the carriage to hold the bearings in position relative to the carriage.

REFERENCES:
patent: 4414594 (1983-11-01), Farmer et al.
patent: 4415941 (1983-11-01), Gibeau et al.

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