Brush-holder plate in particular for an electric motor

Details Brush-holder plate in particular for an electric motor Brush-holder plate in particular for an electric motor

1988-05-16

1990-04-10

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310242, H02K 1300

Patent

active

049163477

ABSTRACT:
Brush-holder plate, for mounting brush holders so that radially inwardly spring-biased brushes are locked in a radially outwardly retracted position to permit axial insertion of a commutator during the assembly of an electric motor. The plate has a first portion (1), for supporting brush holders (2, 3), and a retractable locking device for locking the brushes (12, 13) in the retracted position in the brush holders (2, 3). The locking device (4) includes a locking member (10) having branches (8, 9) extending through corresponding orifices (21, 22) of a second portion (6) of the brush-holder plate axially offset relative to the first portion (1). The branches (8, 9) extend, on one hand, at least partly in confronting relation to the brush holders (2, 3) for locking the brushes (12, 13) in the radially retracted position and, on the other hand, partly in the axial insertion path of the commutator of the motor for disengaging the locking member (10) from the orifices (21, 22) and releasing the brushes (12, 13) from the retracted position.

REFERENCES:
patent: 3242362 (1966-03-01), Ciliax
patent: 3716735 (1973-02-01), Dippold
patent: 4293789 (1981-10-01), King
patent: 4498230 (1985-02-01), Harris
patent: 4516047 (1985-05-01), Duverger
patent: 4596941 (1986-06-01), Kluck
patent: 4694214 (1987-09-01), Steward

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