Brush device and motor with brush

Details Brush device and motor with brush Brush device and motor with brush

2005-08-09

2005-08-09

Nguyen, Tran (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S239000, C310S248000

Reexamination Certificate

active

06927523

ABSTRACT:
The present invention aims at making a motor with a brush in the direction of its motor shaft small by providing a thin brush device and at preventing deterioration of functions thereof. A guide portion is provided at a brush base portion and a recess portion is provided at the a brush holder. In the recess, an end portion of a winding portion of a coil-shape spring is held at the brush base portion, and the other end portion is held at the brush holder. Further, the longitudinal direction of the coil-shape spring is set so as to conform to the direction of face of the brush holder, and thereby the coil-shape spring and the brush are disposed on a substantially identical plane, having a state where the winding portion is placed along the guide and recess portion.

REFERENCES:
patent: 5661357 (1997-08-01), Iijima
patent: 5717271 (1998-02-01), Aoki et al.
patent: 5952763 (1999-09-01), Bruhn
patent: 6087754 (2000-07-01), Berger
patent: 44-12964 (1969-05-01), None
patent: 48-60398 (1973-08-01), None
patent: 58-22862 (1983-02-01), None
patent: 7-213023 (1995-08-01), None

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