Stepper motor having rotor with limited axial movement

Details Stepper motor having rotor with limited axial movement Stepper motor having rotor with limited axial movement

1982-02-24

1984-03-20

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 49R, 310 66, 308236, H02K 708

Patent

active

044383614

ABSTRACT:
A stepper motor having a stator and a rotor, the rotor having a shaft formed with an axial bore. A pair of bearings carried by the stator rotatably support the shaft. A stud is fixed within the bore and has an enlarged head extending radially beyond the external contour of the shaft into axial alignment with at least part of one of the bearings. Engagement between the stud head and the bearing limits axial movement of the rotor with respect to the bearing.

REFERENCES:
patent: Re28075 (1967-12-01), Kavanaugh
patent: 1713024 (1929-05-01), Carhart
patent: 1896265 (1933-02-01), Weichsel
patent: 2193713 (1940-03-01), Cole
patent: 2832906 (1958-04-01), Koons
patent: 3080106 (1963-03-01), Ayling
patent: 3082338 (1963-03-01), Turk
patent: 3418504 (1968-12-01), Paule
patent: 3633055 (1972-01-01), Maier
patent: 4040685 (1977-08-01), Berglund
patent: 4107559 (1978-08-01), Patel

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