Spring assembly for biasing shutter of a disk cassette

Dynamic magnetic information storage or retrieval – Record medium – In container

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Details

369291, G11B 2303

Patent

active

061668834

ABSTRACT:
A disk cassette including a cassette housing having upper and lower shells in which a freely rotatable disc is accommodated. A shutter is slidably secured in parallel relation to the side surfaces of the cassette housing and opens/closes a head insertion hole formed in the cassette housing. The disk cassette further includes a shutter spring assembly which has one end thereof hooked to the cassette housing and the other end thereof hooked to the shutter and thereby urges the shutter so as to close the head insertion hole. An insertion groove is provided in the cassette housing for inserting the shutter spring assembly thereinto and be covered by the shutter when the shutter closes the head insertion hole.

REFERENCES:
patent: 4470083 (1984-09-01), Doering et al.
patent: 4559575 (1985-12-01), Noto et al.
patent: 5515358 (1996-05-01), Goto
patent: 5777982 (1998-07-01), Koshiyouji
patent: 5793742 (1998-08-01), Sandell et al.

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