Airflow generator spindle hub for aerodynamically released shipp

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

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G11B 554

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active

059993707

ABSTRACT:
An aerodynamically powered release latch mechanism is provided for a fixed disk drive. A disk clamp for clamping a single data storage disk to a spindle hub comprises a centrifugal airflow pumping structure, such as radially and axially extending, generally L-shaped turboblades, for increasing the level of a vane deflecting airflow as the disk rotates. The vane deflecting airflow releases an aerodynamically released actuator latch mechanism.

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patent: 5124867 (1992-06-01), Kitahori et al.
E. Lennemann, "Aerodynamic Aspects of Disk Files" IBM J. Research & Develop. Nov. 1974 pp. 480-488.
Data Sheet, Model WDA-L42/WDS-L42, "3 1/2 Inch Winchester Drive Series" IBM storage Systems Products Division Oct. 1991.
"Airflow System for Disk drive", IBM Tech. Disc. Bulletin, vol. 29, No. 3, Aug. 1986, pp. 1258-1261.

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