Brush holder device for use in small-size motor

Details Brush holder device for use in small-size motor Brush holder device for use in small-size motor

2002-01-23

2009-06-09

Leung, Quyen P (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S242000, C310S244000, C310S246000, C310S249000

Reexamination Certificate

active

07545071

ABSTRACT:
A brush holder device includes a brush including an integrally formed engagement portion; a brush arm having an engagement hole formed therein, the engagement hole assuming substantially the same shape as that of the engagement portion of the brush, and including brush contact portions located at laterally opposite edges of the engagement hole; and a holder. The holder has an engagement hole formed therein, the engagement hole assuming substantially the same shape as that of the engagement portion of the brush, and is fixedly attached to the brush arm such that the engagement hole is aligned with that of the brush arm. The engagement portion of the brush is press-fitted into the engagement holes of the holder and the brush arm, which are fixedly attached to each other, to thereby be fixed in place.

REFERENCES:
patent: 4085346 (1978-04-01), Yoshida
patent: 4088912 (1978-05-01), Yoshida
patent: 4157483 (1979-06-01), Frimley
patent: 4238703 (1980-12-01), Yoshida
patent: 4431933 (1984-02-01), Mabuchi
patent: 4574215 (1986-03-01), Mabuchi
patent: 4746829 (1988-05-01), Strobl
patent: 5103131 (1992-04-01), Sekine
patent: 51-13503 (1976-01-01), None
patent: 58058848 (1983-04-01), None
patent: 63-66054 (1988-05-01), None
patent: 11-252869 (1999-09-01), None

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