Rotary stepping motor having improved construction

Details Rotary stepping motor having improved construction Rotary stepping motor having improved construction

1982-09-24

1986-06-03

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310266, H02K 3700

Patent

active

045932166

ABSTRACT:
An improved impulse-operated rotary stepping motor is constructed with a two-part stator assembly and coil support for each stage to reduce manufacturing costs, improve the magnetic characteristics, improve alignment of the rotor of each stage, provide for an integral bearing, make practical the construction of a motor having the rotor teeth on the inside of the rotor armature shell, and to improve and sharpen the detenting action when stopped by bilaterally stepping the top width of the rotor and stator teeth at least once along the length of each tooth.

REFERENCES:
patent: 2627040 (1953-01-01), Hansen
patent: 2837670 (1958-06-01), Thomas et al.
patent: 3344378 (1967-09-01), Wilhelmson
patent: 3469124 (1969-09-01), Willcox
patent: 3855560 (1974-12-01), Ward
patent: 3904902 (1978-09-01), Inariba
patent: 4264833 (1981-04-01), Stenudd
patent: 4341969 (1982-07-01), Sievert
patent: 4439703 (1984-03-01), Hino

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