Disk cartridge

Details Disk cartridge Disk cartridge

1987-08-25

1989-02-21

Heinz, A.

Dynamic magnetic information storage or retrieval

Record medium

In container

G11B 2303

Patent

active

048070793

ABSTRACT:
A disk cartridge includes a main body rotatably containing a disk and having a window or aperture for exposiing a portion of the disk to outside and an approximately arcuate rib for limiting the disk movement, a shutter for opening or closing the window or aperture, and a torsion spring urging the shutter in a direction of closing the window or aperture. The end of the arm of the torsion spring that is supported by the main body of the cartridge is supported by a guide support provided to the inner surface of the main body of the cartridge and having its supporting point variable with shutter movement.

REFERENCES:
patent: 4503474 (1985-03-01), Nigam
patent: 4550354 (1985-10-01), Wakabayashi et al.
patent: 4589105 (1986-05-01), Nemoto
patent: 4682322 (1987-07-01), Ohta

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