Disc cartridge with alignment elements on two hub halves

Details Disc cartridge with alignment elements on two hub halves Disc cartridge with alignment elements on two hub halves

1988-09-30

1991-03-12

Severin, David J.

Dynamic magnetic information storage or retrieval

Record medium

In container

G11B 2303

Patent

active

049997270

ABSTRACT:
A disc cartridge including a disc sheet and a hub assembly formed by an upper half member and a lower half member, one of which has a positioning projection, and the disc sheet is provided with a hole engageable with the positioning projection so that the disc sheet can be placed in a correct position by fitting the hole of the disc sheet with the positioning projection.

REFERENCES:
patent: H79 (1986-07-01), Bartholet et al.
patent: 4009043 (1977-02-01), Pries
patent: 4011193 (1977-03-01), Wambach
patent: 4442254 (1984-04-01), Aratani
patent: 4525758 (1985-06-01), Nakagawa et al.

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