Data transfer apparatus for use with a magnetic disk cartridge

Details Data transfer apparatus for use with a magnetic disk cartridge Data transfer apparatus for use with a magnetic disk cartridge

1985-07-09

1987-05-12

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 99, 360105, G11B 5016, G11B 1702, G11B 2114, G11B 2122

Patent

active

046654542

ABSTRACT:
A flexible magnetic disk, rotatably housed in an apertured envelope to make up a disk cartridge, is loaded through an entrance slot in the housing of the apparatus to a preassigned position for data transfer with a pair of transducer heads on its opposite sides. Upon subsequent activation of a clamp actuating mechanism, the magnetic disk is clamped for rotation and, at the same time, is caught between the transducer heads for data transfer therewith. In order to avoid the direct contact of the two transducer heads as a result of the user's tampering with the clamp actuating mechanism when the disk cartridge is not loaded in the apparatus, a clamp inhibit mechanism is provided for preventing the operation of the clamp actuating mechanism when the disk cartridge is not loaded. The clamp inhibit mechanism includes a detent which is activated by the disk cartridge inserted in the entrance slot for allowing the operation of the clamp actuating mechanism. Upon subsequent activation of the clamp actuating mechanism, the detent is thereby reactivated to move out of contact with the loaded disk cartridge, so that the detent does not in any way interferes with the rotation of the magnetic disk.

REFERENCES:
patent: 4146912 (1979-03-01), Kukreja
patent: 4179718 (1979-12-01), Rolph
patent: 4193102 (1980-03-01), Beuch et al.
patent: 4360844 (1982-11-01), Maiers
patent: 4415940 (1983-11-01), Becker
patent: 4539614 (1985-09-01), Thompson

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