Interpolating step motor system with reduction drive interface

Details Interpolating step motor system with reduction drive interface Interpolating step motor system with reduction drive interface

1976-08-10

1977-12-27

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 83, 310112, H02K 3700

Patent

active

040656853

ABSTRACT:
Two step motors are interconnected so that the rotor or output shaft of one drives the stator or field structure of the other via a reduction drive assembly, so that the output shaft of the other motor may advance a load to an interpolated position between steps of the output shaft to which the load is directly connected. Anti-backlash means is associated with the reduction drive assembly which has a high reduction gear ratio to enable use of two motors both of which have large angle stepping angles.

REFERENCES:
patent: 2051249 (1936-08-01), Edwards
patent: 2808556 (1957-10-01), Thomas
patent: 3268785 (1966-08-01), Gerber et al.
patent: 3575621 (1971-04-01), Voland et al.
patent: 3586938 (1971-06-01), Le Gall et al.
patent: 3950686 (1976-04-01), Randall

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