G - Physics – 11 – B
Patent
G - Physics
11
B
352/24.32
G11B 5/82 (2006.01) G11B 17/028 (2006.01) G11B 17/032 (2006.01) G11B 17/04 (2006.01) G11B 19/20 (2006.01) G11B 23/00 (2006.01) G11B 23/02 (2006.01) G11B 23/033 (2006.01)
Patent
CA 1190319
ABSTRACT OF THE DISCLOSURE A flexible magnetic disk cassette includes a flexible magnetic disk; a cover having a lower half and upper half for containing the flexible magnetic disk, the cover having a driving hole at the lower half for driving the flexible disk therethrough; and a center core disk secured at a center of the flexible magnetic disk, the center core disk having a center aperture for receiving a center positioning pin of a drive device, and a driving and positioning aperture for receiving a spring-biased driving pin of the driving device. Furthermore, a recording and/or reproducing apparatus for the flexible magnetic disk cassette includes a center positioning pin and spring-biased driving pin provided on a rotational drive disk, the center positioning pin being inserted in the center aperture and the spring-biased driving pin being insert- ed in the driving and positioning aperture upon operation.
383366
Takahashi Kiyoshi
Tsukahara Nobuhiko
Gowling Lafleur Henderson Llp
Sony Corporation
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