Geared electric motor

Details Geared electric motor Geared electric motor

1990-01-09

1991-05-14

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 80, 310 89, 310239, 384537, 384903, H02K 514, H01R 3938

Patent

active

050158970

ABSTRACT:
A geared electric motor is provided with an armature having an armature shaft supported within a motor yoke and a gear casing attached to said motor yoke by a radial ball bearing having an outer ring fixed to the gear casing and an inner ring fixed to the armature shaft of the armature using a stop ring and a push nut. A commutator is mounted on the armature shaft and a plurality of brushes carried by brush holders are in sliding engagement with the commutator. The brush holders are mounted on a brush holder base connected by elastic bushings to a brush holder base setting member which in turn is secured to the gear casing in engagement with the outer ring of the ball bearing to locate the outer ring in the gear casing.

REFERENCES:
patent: 2619391 (1952-11-01), Esarey
patent: 3463951 (1969-08-01), Bauerle et al.
patent: 4132109 (1979-01-01), Ladin
patent: 4364615 (1982-12-01), Euler
patent: 4399380 (1983-08-01), Hirano
patent: 4626722 (1986-12-01), Fukui
patent: 4640632 (1987-02-01), Brandenstein et al.
patent: 4710037 (1987-12-01), Newberg
patent: 4713568 (1987-12-01), Adam et al.
patent: 4885948 (1989-12-01), Thrasher, Jr. et al.

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