Low-profile disk mounting assembly, and low-profile disk drives

Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record

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Details

360 9905, 360 9912, 369270, G11B 17028

Patent

active

057242097

ABSTRACT:
An assembly for mounting a disk in a disk drive and including the disk mounting assembly. The disk mounting assembly includes a hub having a plurality of spoke recesses situated in the upper surface of the hub. The hub includes a protruding ledge for supporting a disk. A disk clamping ring adapted to fit about the hub is utilized. The disk mounting assembly also includes a spring washer having a circumferential edge surface adapted to contact the ring, the spring washer including a plurality of spokes extending inwardly from the circumferential edge surface of the washer to the center of the washer. A retainer is used to hold the center of the spring washer to the hub to squeeze a disk between the protruding ledge of the hub and the ring. The spokes of the spring washer are situated within respective spoke recesses of the hub to provide a low profile disk drive with more vertical room available for stator windings.

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Patent application entitled: "Air Bearing Slider and Head Gimbal Assembly", (Attorney Docket No. M-2849) by Bruce Emo, et al, Ser. No. 08/271,398, filed Jul. 6, 1994.
"Prairie 120" PrairieTek Corporation publication, .COPYRGT.1989.

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