Electric motor brush mounting

Details Electric motor brush mounting Electric motor brush mounting

1976-04-19

1977-11-22

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 1300

Patent

active

040597768

ABSTRACT:
An electric motor frame has a brush-receiving recess beside the commutator. The recess has top and bottom walls and an insulating brush housing is disposed in the recess where it is held in fixed position. Slidable lengthwise in the housing is a brush, between one side of which and the housing there is a stationary metal strip that extends substantially full length of the housing and has an outer end portion extending transversely of the brush. Compressed between this end portion of the strip and the brush is a coil spring that holds the brush against the commutator. An electrical conductor engages the strip, while a flexible wire electrically connects the strip with the brush. The brush housing is provided with at least one exterior rib extending lengthwise of it, and one of the walls of the frame recess has a groove in it that snugly receives the rib to accurately position the housing in the frame.

REFERENCES:
patent: 3474274 (1969-10-01), Groschopp
patent: 3527971 (1970-09-01), Means
patent: 3579009 (1971-05-01), Walter
patent: 3656016 (1972-04-01), Jacyno
patent: 3656018 (1972-04-01), Maher

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