Read/write head carrying mechanism for floppy disk drive

Details Read/write head carrying mechanism for floppy disk drive Read/write head carrying mechanism for floppy disk drive

1989-07-20

1991-03-12

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360106, G11B 554, G11B 555

Patent

active

049997254

ABSTRACT:
A read/write head carrying mechanism for a floppy disk drive. Upper and lower heads are brought into close contact with both sides of a floppy disk in a loaded state, and reciprocate in the radial direction of the floppy disk so as to be positioned at a desired track. The lower head is secured to a carriage, while the upper head to an upper arm, which is swingable with respect to the carriage. The carriage reciprocates along a single guide rail, which is spaced apart from and disposed parallel with a head moving path. The carriage is supported by the single guide rail, with the result that the carriage and the upper arm as a whole form a carriage assembly which swings with the guide rail as a fulcrum. The upper and lower heads move vertically by very small amounts by following the fluctuation of the floppy disk, thereby causing the heads and the floppy disk to be brought into close contact with each other.

REFERENCES:
patent: 4392165 (1983-07-01), Wright
patent: 4858046 (1989-08-01), Maeda
Patent Abstracts of Japan, vol. 7, No. 54, 57-200971, Hitachi.
Patent Abstracts of Japan, vol. 9, No. 141, 60-20368, Matsushita.
Patent Abstracts of Japan, vol. 8, No. 133, 59-36371, Mitsubishi.

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