Disc cartridge withribbed shutter

Details Disc cartridge withribbed shutter Disc cartridge withribbed shutter

1992-01-06

1995-11-14

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record medium

In container

G11B 2303

Patent

active

054672392

ABSTRACT:
A disc cartridge including a cartridge body having an aperture for exposing a part, of a disc accommodated in it to an exterior environment and a shutter member formed integrally of a slide portion engaged with a groove in a lateral side of the cartridge body for being slidably supported by the cartridge body and a shutter portion for opening or closing the aperture. The shutter member is mounted on the cartridge body for sliding between a first position of closing the aperture and a position of opening the aperture. The shutter member is formed with a tongue extended along a lateral side of the cartridge body so that the lenght of the slide portion in the sliding direction is longer than the length of the shutter portion in the same direction. The shutter member is prevented from being tilted in the sliding direction to assure stable sliding.

REFERENCES:
patent: 4851948 (1989-07-01), Kato et al.
patent: 4876619 (1989-10-01), Suzuki
patent: 4991048 (1991-02-01), Ikebe et al.
patent: 5034844 (1991-07-01), Shiba et al.
patent: 5040167 (1991-08-01), Tanaka et al.
patent: 5051857 (1991-09-01), Akiyama
patent: 5121380 (1992-06-01), Fujita et al.
patent: 5151894 (1992-09-01), Fujita
patent: 5161080 (1992-11-01), Funayama et al.
Patent Abstracts of Japan, vol. 12, No. 123 (P-690), 16 Apr. 1988 & JP-A-62 248 181 (Hitachi Maxwell), 29 Oct. 1987.

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