Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1984-12-03
1986-12-16
Hecker, Stuart N.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
360 97, 360 99, G11B 554, G11B 5012, G11B 5016, G11B 2122
Patent
active
046301542
ABSTRACT:
A flexible disk apparatus has a loading arm which constitutes a part of a magnetic head carriage and moves at least one of a pair of opposing magnetic heads toward the other, and a lever which is pivotally attached to the apparatus for closing and opening a slit through which a flexible disk is loaded and unloaded. The flexible disk apparatus is provided with an interlocking mechanism adapted to actuate the loading arm by means of a cam which is secured to one end of a pivot of the lever which is opposite from the end at which the lever is secured. The cam extends in the same direction as that of the lever. The flexible disk apparatus is further provided with a protection arm which is secured to an intermediate portion of the pivot of the lever and extends normal to the longitudinal axis of the lever. In addition, a protection cam is disposed so as to be pivoted by loading and unloading of the flexible disk and has a surface that engages with the protection arm when the apparatus has no disk inserted therein so as to prevent pivoting of the lever.
REFERENCES:
patent: 4193101 (1980-03-01), Carlson et al.
patent: 4275426 (1981-06-01), Hoffman
patent: 4315290 (1982-02-01), Kukreja
patent: 4393424 (1983-07-01), Vidwans
Goplen et al., "Combined Stop and Diskette Seating Mechanism," IBM Tech. Disc. Bull., vol. 19, No. 8, Jan. 1977.
Godsoe, "Interlocked Disk Cartridge Player," IBM Tech. Disc. Bull., vol. 22, No. 11, Apr. 1980.
Shiraishi Yukiya
Yamashita Takeshi
Alps Electric Co. ,Ltd.
Hecker Stuart N.
Shoup Guy W.
Urcia Benjamin E.
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