Brush holder device for an electric motor having a rotatable com

Details Brush holder device for an electric motor having a rotatable com Brush holder device for an electric motor having a rotatable com

1990-08-21

1991-04-02

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310 91, H01R 3938, H02K 514, H02K 1500

Patent

active

050049437

ABSTRACT:
A brush holder device for an electric motor includes a support for the brushes, this support having a central passage through which a commutator, fixed to the shaft of the motor can be introduced. Stop means are also provided for holding the brushes in a position in which they are spaced away from this passage.
In accordance with the invention, the stop means include a cover member having a base which is fixed with respect to the support plate and which is extended axially through a frusto conical wall which is adapted to be folded back on itself.

REFERENCES:
patent: 3267312 (1966-08-01), Redick et al.
patent: 3624434 (1971-10-01), Dafler
patent: 3656018 (1972-04-01), Maher
patent: 3739205 (1973-06-01), Winkelmann
patent: 4118647 (1978-10-01), Brenner et al.
patent: 4596941 (1986-06-01), Kluck
patent: 4866322 (1989-09-01), Baumeister et al.

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