Magnetic recording disk cartridge

Details Magnetic recording disk cartridge Magnetic recording disk cartridge

1983-11-30

1984-09-04

Kilgore, Robert Martin

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360128, 360137, G11B 5012, G11B 510, G11B 512, G11B 541

Patent

active

044700830

ABSTRACT:
An improved design for a compact floppy disk cartridge is provided in which the wiping fabric is prevented from moving and causing stringers out the head access window. This is accomplished by providing ribs on both halves of the cartridge case which, together with raised peripheral edges on the case, provide an irregular shape. The wiping fabric is cut to a shape which conforms with the outline provided by the combination of ribs and peripheral edges. Thus, the wiping fabric is keyed into the space defined by the ribs and peripheral edges.
Other improvements embodied in this design are: a compression return spring for a sliding shutter which is substantially completely covered by the shutter (thus preventing debris from interfering with the spring); and temporary interference fit closure of the cartridge shells to permit non-destructive testing.

REFERENCES:
patent: 4354213 (1982-10-01), Martinelli
patent: 4358801 (1982-11-01), Faber
patent: 4374404 (1983-02-01), Davis
patent: 4385335 (1983-05-01), Kiemer
patent: 4412260 (1983-10-01), Stricklin
patent: 4419164 (1983-12-01), Martinelli

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