Dynamo electric machine brush assembly

Details Dynamo electric machine brush assembly Dynamo electric machine brush assembly

1980-07-25

1982-10-12

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310247, 310248, H01R 3938

Patent

active

043541283

ABSTRACT:
A brush assembly comprising an electrically insulating plate having therein an aperture with which communicate first and second slots. The slots each slidably receive a brush and a compression spring acts between the closed end of each of the slots and the respective brush to urge the brush slidably towards the aperture. The brushes and at least one wall of each of the slots are provided with mating surfaces whereby the brush may be latched in a retracted position relative to its respective slot against the action of its respective compression spring.

REFERENCES:
patent: 2194620 (1940-03-01), Sekyra
patent: 2206366 (1940-07-01), Redmond
patent: 3154709 (1964-10-01), Ettema et al.
patent: 3510708 (1970-05-01), O'Connor
patent: 3656018 (1972-04-01), Maher
patent: 3955113 (1976-05-01), Hillyer et al.

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