Rotor assembly for stepping motor

Details Rotor assembly for stepping motor Rotor assembly for stepping motor

1978-06-05

1981-02-10

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 44, 310 49R, H02K 2108

Patent

active

042504210

ABSTRACT:
A rotor assembly for a stepping motor, in which a protecting member fixedly is mounted on a rotor shaft and including a hub portion extending coaxially with the rotor shaft, and at least one face portion radially outwardly extending from said hub portion, and a rotor magnet having an inner bore and an outer periphery formed by etching a magnetic body of an intermetallic compound is mounted on the protecting member.

REFERENCES:
patent: 3872334 (1978-03-01), Loubier
patent: 3909647 (1975-09-01), Peterson
patent: 3943698 (1976-03-01), Ono
patent: 4035677 (1977-07-01), Kusayama et al.
patent: 4060745 (1977-11-01), Linscott, Jr.
patent: 4095129 (1978-06-01), Tanai et al.

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