Magnetic-head locating arrangement for floppy-disk mechanisms

Details Magnetic-head locating arrangement for floppy-disk mechanisms Magnetic-head locating arrangement for floppy-disk mechanisms

1977-11-09

1978-12-26

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360109, G11B 555, G11B 2108, G11B 2114

Patent

active

041319230

ABSTRACT:
In one illustrated embodiment a generally conical locating member for a transducer head has a guide surface extending thereabout in successive turns of progressively increasing radius. In another embodiment two generally conical sections provide respective axially oppositely directed guide surfaces whose pitch runs in the same direction such that with head locating arms resiliently engaging the respective guide surfaces, the head is always positively locked with the angular position of the conical drive member. With a stepping motor drive, the guide surface or surfaces may comprise successive flat faces each having a tangential extent to compensate for maximum error in stepping angle. The conical members are made by injection molding for least possible cost.

REFERENCES:
patent: 3210082 (1965-10-01), Murata
patent: 3693982 (1972-09-01), Barnett et al.
patent: 3715523 (1973-02-01), Rousseau et al.

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