Method of assembling dynamoelectric machine brushes

Metal working – Method of mechanical manufacture – Electrical device making

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29450, 29596, H02K 1514, H01R 4312

Patent

active

044235496

ABSTRACT:
An end cap assembly for a direct current motor. The assembly includes a brush retainer supported by the end cap that engages spring biased brushes to maintain the brushes in a retracted position. When an armature shaft is assembled to the end cap a portion thereof engages the retainer to move it relative to the end cap to a position where the brushes now engage the commutator of the armature. The retainer becomes a part of the motor. The end cap is formed as a one-piece plastic part that carries metallic brush holders and a circuit breaker. The circuit breaker is connected to one of the brush holders and to a terminal by C-shaped clips.

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