Stepping motor for a timepiece

Details Stepping motor for a timepiece Stepping motor for a timepiece

1974-09-04

1976-04-06

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 90, 310156, 58 23D, 58 28A, H02K 3700

Patent

active

039492516

ABSTRACT:
This invention relates to a stepping motor for a timepiece. The supporting means for the bearing of the rotor shaft is fixed on the base plate and it is coaxial to the rotor shaft. It is used both as the supporting means for the bearing of the rotor shaft and positioning means for stators. Since delicate adjustment of stators is eliminated, it is easy to assemble and to keep high reliability.

REFERENCES:
patent: 3803430 (1974-04-01), da Costa et al.
patent: 3858070 (1974-12-01), Hallerback

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