Hub assembly for a recording disc cartridge

Dynamic magnetic information storage or retrieval – Record medium – In container

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Details

360 99, 369282, G11B 2303, G11B 5016, G11B 5012

Patent

active

047424192

ABSTRACT:
Disclosed herein is a recording disc cartridge having recording disc rotatably mounted in a cartridge case by a hub assembly. The hub assembly comprises a receiving hole defined in its central portion for receiving a supporting shaft of a drive unit of a recording/reproducing apparatus, at least two wall members having flat surfaces disposed to face to the central hole with a predetermined angle in plan view, an annular guide groove formed around the receiving hole to receive a drive shaft of the drive unit and a rib member formed across the guide groove for being engaged with the drive shaft in such a position that the supporting shaft is pressed against the two flat wall members by rotational force of the drive shaft. A resilient arcuate arm projects from one of the wall members to clamp the supporting shaft of the drive unit of the recording/reproducing apparatus in the receiving hole of the hub assembly.

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IBM Technical Disclosure Bulletin, vol. 13, No. 5, Oct. 1970, p. 1242, "Disk Pack Locating Device" by Klutch.
IBM Technical Disclosure Bulletin, vol. 19, No. 12, May 1977, pp. 4722-4723, "Hub Assembly for Flexible Disk Media" by Beck et al.

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