Disc cassette with shutter and releasable latch therefor

Details Disc cassette with shutter and releasable latch therefor Disc cassette with shutter and releasable latch therefor

1983-07-19

1986-09-30

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

In container

360 99, 206444, 206312, G11B 5012, G11B 5016, B65D 8530, B65D 8557

Patent

active

046149902

ABSTRACT:
A disc cassette for use in a recording and/or reproducing apparatus includes a jacket having two opposed, spaced-apart panel walls between which a record disc is rotatable. The panel walls have openings adjacent one side of the jacket to define a window through which the disc may be exposed, and a shutter is moveable on the jacket between open and closed positions in respect to the window. A latch in the jacket is disposed between the panel walls and is yieldably urged outwardly in the gap, and a keeper on the shutter is engageable with the latch at the closed position of the shutter for locking the shutter in its closed position. The shutter has an opening in its outer surface at which the shutter is engageable for movement to its closed position.

REFERENCES:
patent: 4120012 (1978-10-01), Bowers
patent: 4131199 (1978-12-01), Hatchett et al.
patent: 4239238 (1980-12-01), Coleman
patent: 4320430 (1982-03-01), Vogt
patent: 4358801 (1982-11-01), Faber et al.
patent: 4400748 (1983-08-01), Bauck et al.
patent: 4445155 (1984-04-01), Takahashi et al.
patent: 4488190 (1984-12-01), Oishi et al.
patent: 4503474 (1985-03-01), Nigam
patent: 4510546 (1985-04-01), Asami et al.
patent: 4511944 (1985-04-01), Saito
IBM Technical Disclosure Bulletin, vol. 27, No. 1A, Jun. 1984 pp. 40-41, by Carey et al., "Shutter Mechanism . . . ".

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