Axial retaining means for the rotor shaft of an electric motor

Details Axial retaining means for the rotor shaft of an electric motor Axial retaining means for the rotor shaft of an electric motor

1991-07-30

1993-11-02

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 90, H02K 1514, H02K 708

Patent

active

052586723

ABSTRACT:
Axial retaining ring is provided for a free end of a rotor shaft of an electric motor having a rotor, with a first stop element on one of the shaft or the rotor and a second stop element in the form of a retaining ring which, during assembly of the motor, is fitted onto the free end of the rotor shaft and is secured by engaging in a circular recess on the shaft free end, both stop elements of the rotor acting between two stationary stop faces of the electric motor and fixing the axial position of the rotor. The retaining ring is constructed in the form of a resilient pushbutton fittable in the axial direction onto the shaft end and the retaining ring having generally axially directed resilient retaining arms that engage in the circular recess provided in the shaft end.

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patent: 4703209 (1987-10-01), Wrobel
patent: 4944610 (1990-07-01), Berg

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