Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1986-10-03
1988-05-03
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record medium
In container
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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Garcia Alfonso
Hitachi Maxell Ltd.
Wolff John H.
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