Linear stepper motor drive with a read/write head in a floppy di

Details Linear stepper motor drive with a read/write head in a floppy di Linear stepper motor drive with a read/write head in a floppy di

1980-02-11

1983-03-22

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Linear

310 14, H02K 4100

Patent

active

043777619

ABSTRACT:
A linear stepper motor drives a read/write head in a radial path across a floppy disc. The linear stepper motor comprises a stator including a plurality of pole positions having windings associated therewith which are energized in different phases and a slider. The slider includes a plurality of teeth which cooperate with the teeth of the stator at the various pole positions so as to form a variable reluctance path through the slider. Longitudinally extending grooves of the slider cooperate with similar grooves in the stator to receive bearings for supporting the slider in the stator-to-stator air gap of the stator.

REFERENCES:
patent: 3130331 (1964-04-01), Jallen et al.
patent: 3177384 (1965-04-01), Montagu
patent: 3185909 (1965-05-01), Jahn
patent: 3219853 (1965-11-01), Schreiber
patent: 3548273 (1970-12-01), Parodi et al.
patent: 3716731 (1973-02-01), Nilsson

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