Automatic end play adjustment of motor armature assembly

Details Automatic end play adjustment of motor armature assembly Automatic end play adjustment of motor armature assembly

1991-04-29

1992-02-18

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

29596, 310 42, 384248, 384903, H02K 1516

Patent

active

050897365

ABSTRACT:
To adjust axial and radial movement of a thrust plug associated with end play of a rotating shaft, the thrust plug receives the shaft on one side and has a shoulder surface extending from the other side of the thrust plug. A housing position supports a retainer cap which receives the thrust plug so the thrust plug can have some axial movement. The thrust plug shoulder is higher than the thickness of the retainer cap, so that predetermined amount of axial play (c) can be accurately and exactly established. Radial movement of the thrust plug within a housing cavity is achieved by having a thrust plug diameter which is smaller than the inner diameter of the housing cavity, and having an O-ring about the thrust plug which engages the housing cavity and provides a pivot point.

REFERENCES:
patent: 4199861 (1980-04-01), Buckman et al.
patent: 4321748 (1982-03-01), Ito
patent: 4455498 (1984-06-01), DeSisto
patent: 4899432 (1990-02-01), Adam et al.

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