Magnetic recording disc cartridge

Details Magnetic recording disc cartridge Magnetic recording disc cartridge

1983-02-09

1986-04-15

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record medium

In container

360135, G11B 2303

Patent

active

045831440

ABSTRACT:
In a magnetic recording disc cartridge, a hub assembly composed of an upper hub member and a lower hub member inseparably connected with each other clamps the peripheral portion of a central hole defined in a magnetic recording sheet between inner stepped portions of surfaces of the hub members with a portion of the magnetic recording sheet opposed to outer portions of the hub members remaining unclamped.

REFERENCES:
patent: 4149207 (1979-04-01), Porter
patent: 4152740 (1979-05-01), Stratton

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