Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1991-09-30
1993-09-21
Anderson, Bruce C.
Dynamic magnetic information storage or retrieval
Record medium
In container
G11B 2303
Patent
active
052474178
ABSTRACT:
A disk cartridge includes a rotatable disk, a cartridge case for housing the disk, and a U-shaped shutter slidably disposed on the front wall of the cartridge case. The cartridge case includes upper and lower walls, and a head access opening formed in both walls adjacent the front wall to access the disk. The access opening is opened and closed by the shutter which is biased closed by a spring. A projection mounted on the shutter contacts and locates the spring between one of the cartridge case side walls and the projection. A tab is mounted on the cartridge case and contacts the projection to stop movement of the shutter when the shutter is biased in the closed position.
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Ambur Gregg A.
Hubbling David L.
Anderson Bruce C.
Griswold Gary L.
Kirn Walter N.
Levine Charles D.
Minnesota Mining and Manufacturing Company
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