Brush system for electric motors

Details Brush system for electric motors Brush system for electric motors

1998-08-14

2000-10-17

Ponomarenko, Nicholas

Electrical generator or motor structure

Dynamoelectric

Rotary

310245, H01R 3938

Patent

active

061336653

ABSTRACT:
A brush system for an electric motor is adapted to electrically connect a commutator with at least one field terminal of the motor. The system is provided in a housing of the motor and is accessible via an opening in the housing. In this system, at least one electrically conductive brush is held in contact with the commutator by an electrically conductive brush box, which has an electrically conductive connecting tab depending therefrom. The connecting tab is adapted to be connected to the field terminal. Also included is a frame which is configured and adapted to fixedly receive the brush box. A through hole is provided on the frame for allowing the connector tab to extend through the frame and connect to the field terminal. Further, an access door is configured and adapted to be latched to the opening in the housing by a latch device attached to the access door. A spring mechanism is also attached to the access door for exerting a force on the brush so that the brush maintains contact with the commutator when the access door is latched to the opening.

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