Disc cartridge having disc supporting arrangement

Details Disc cartridge having disc supporting arrangement Disc cartridge having disc supporting arrangement

1991-07-18

1992-06-09

Gehman, Bryon P.

Dynamic magnetic information storage or retrieval

Record medium

In container

206313, 369291, G11B 2303

Patent

active

051212781

ABSTRACT:
A disc cartridge capable of preventing a recording surface section of a disc from being contacted with an inner surface of a casing so that the disc may be free from any damage. The disc cartridge includes steps or sheet-like members provided on the inner surface of the casing in a manner to be inwardly projected from the inner surface. The steps or sheet-like members are positioned so as to be engaged with a non-recording surface section of the disc to support the disc thereon, so that a clearance may be defined between the recording surface section of the disc and the inner surface of the casing.

REFERENCES:
patent: 3416150 (1968-12-01), Lindberg, Jr.
patent: 3529301 (1970-09-01), Hiruta
patent: 3949872 (1976-04-01), Paudras
patent: 3980178 (1976-09-01), Schidlowski
patent: 4327831 (1982-05-01), Inaba et al.
patent: 4433410 (1984-02-01), Siryj et al.
patent: 4499996 (1985-02-01), Coyle
patent: 4609105 (1986-09-01), Manes et al.
patent: 4692831 (1987-09-01), Suzuki

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