Storage disk drive mechanism

Details Storage disk drive mechanism Storage disk drive mechanism

1985-11-19

1988-06-21

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360133, G11B 5012

Patent

active

047528478

ABSTRACT:
A storage disk drive mechanism is disclosed for rotatably driving a storage disk comprising a flexible circular information recording medium attached to a hub member. The hub member is of the type having an enlarged central positioning aperture and a radially spaced drive aperture. The drive mechanism comprises a rotatable clutch plate having an axial positioning pin for receiving the positioning aperture of the hub member when a disk assembly containing the storage disk is mounted thereon. The clutch plate further has a spring member mounted thereon having a smooth uninterrupted laterally extending beveled claw extending into the driving aperture. Upon rotation of the clutch plate, the claw drivingly engages a driven surface defined by the driving aperture for centering, retaining and driving the storage disk.

REFERENCES:
patent: 2286015 (1942-06-01), Schneider
patent: 4149207 (1979-04-01), Porter et al.
patent: 4445155 (1984-04-01), Takahashi et al.
patent: 4466031 (1984-08-01), Mursoka
patent: 4669008 (1987-05-01), Ichihara
Research Disclosure No. 25024, p. 109, vol. 250, Feb. 1985, Research Disclosure, Kenneth Mason Publications Ltd., Hampshire, England.

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