Disk cartridge

Details Disk cartridge Disk cartridge

1997-09-30

1999-10-05

Ometz, David L.

Dynamic information storage or retrieval

Storage medium structure

Adjuncts or adapters

360133, G11B 726, G11B 2303

Patent

active

059635380

ABSTRACT:
Arranged in each of spring storing sections on either side of a window section are a retaining spring bearing situated adjacent to the window section and a fixed spring bearing situated at a distance from the window section. A shutter has a pair of movable spring bearings that are situated individually in alignment with the retaining spring bearings when the shutter is in its closed position. A fixed end of each of shutter springs is held by means of the fixed spring bearing. A movable end of each shutter spring engages its corresponding retaining spring bearing and the movable spring bearing in alignment therewith when the shutter is in the closed position, is pressed toward the fixed end and separates from the retaining spring bearing when the shutter moves from the closed position toward one of open positions, and separates from the movable spring bearing and is held by the retaining spring bearing when the shutter moves from the closed position toward the other open position.

REFERENCES:
patent: 4589105 (1986-05-01), Nemoto et al.
patent: 4851948 (1989-07-01), Kato et al.
patent: 4853925 (1989-08-01), Kaneuchi
patent: 4908726 (1990-03-01), Kato
patent: 4918559 (1990-04-01), Maruyama et al.
patent: 5040167 (1991-08-01), Tanaka et al.
patent: 5050030 (1991-09-01), Nemoto et al.
patent: 5272693 (1993-12-01), Fujisawa
patent: 5280467 (1994-01-01), Wanger et al.
patent: 5717684 (1998-02-01), Akiyama et al.
patent: 5764622 (1998-06-01), Kawamura et al.

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