Dynamoelectric machine with brush holding structure

Details Dynamoelectric machine with brush holding structure Dynamoelectric machine with brush holding structure

1975-11-10

1977-08-09

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310246, H02K 1300

Patent

active

040413390

ABSTRACT:
A dynamoelectric machine includes a member rotatably receiving one end of the rotor and forming part of the case, the member having a plurality of brush boxes each having a first opening adjacent the commutator and a second opening through the outside of the case at a right angle to the first opening. Abrush is inserted into each brush box through the second opening and is biased toward the commutator to the first opening by a V-shaped spring inserted apex first through the second opening behind the brush, one leg of each V-shaped engaging the brush and the other end being attached to a terminal portion engaging the rotor receiving member to provide a base for the spring and an external electrical connection for the brush.

REFERENCES:
patent: 848182 (1907-03-01), Lindau
patent: 2444826 (1948-07-01), Happe
patent: 3165654 (1965-01-01), Mabuchi
patent: 3270230 (1966-08-01), Schultz
patent: 3431442 (1969-03-01), Mabuchi
patent: 3475635 (1969-10-01), Mabuchi
patent: 3742272 (1973-06-01), Shattuck et al.
patent: 3873864 (1975-03-01), Apostoleris

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