Hard disk drive precision head positioner having a self-aligning

Details Hard disk drive precision head positioner having a self-aligning Hard disk drive precision head positioner having a self-aligning

1993-04-01

1995-04-04

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 2108

Patent

active

054042585

ABSTRACT:
A precision magnetic head positioner assembly for a Winchester-type hard disk drive storage system includes a main rotatable integral head positioner body and an integral magnetic coil assembly. The positioner body includes outwardly extending integral head positioning arms and a seating surface comprised of two angled lateral seating surfaces. The integral magnetic coil assembly comprises a coil frame and a mounting surface having two angled lateral mounting faces which engage the positioner angled seating surfaces for mounting with fasteners. Precision self-alignment of the positioner seating and bobbin mounting surfaces is provided by an alignment ledge protruding outwardly from the positioner seating surface which engages the lower edge of the bobbin mounting surface. An interference between the positioner seating surface and bobbin mounting surface angles improves mounting alignment and stability.

REFERENCES:
patent: 4796122 (1989-01-01), Levy et al.
patent: 4879617 (1989-11-01), Sampietro et al.
patent: 4939600 (1990-07-01), Desai et al.
patent: 4949201 (1990-08-01), Abed
patent: 4989108 (1991-01-01), Chang

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