Brush device

Details Brush device Brush device

1994-04-19

1995-09-05

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310248, H01R 3940

Patent

active

054481228

ABSTRACT:
A brush device includes elliptic compression coil springs, an electrical conductive member, rotary shaft, and brushes pushed against an electrical conductive member on the rotary shaft with the elliptic compression coil springs. And the outer end parts of each of the elliptic compression coil springs are bent inwardly of the ellipse formed by the elliptic compression coil spring.

REFERENCES:
patent: 2549871 (1951-04-01), White
patent: 3729639 (1973-04-01), Heinouchi et al.
patent: 3955113 (1976-05-01), Hillyer et al.
patent: 4891539 (1990-01-01), Okamoto et al.
patent: 5019741 (1991-05-01), Fukui et al.
patent: 5332940 (1994-07-01), Kuragaki et al.

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