| 摘要 |
The brush holder 12 of a brush device for a d.c. machine is provided with plural pairs of brush boxes 12a each having an open front portion and an open inner diameter portion, and a pair of projections 12d at outer portions; lead wires 14a, 14b for each pair of brushes 13a and 13b have such length that they can avoid interference with the projections 12d, and the brushes 13a, 13b can be fitted to the brush boxes 12 from the front side and in the axial direction of the brush holder 12; brush springs 15 are put at the top portion of the brushes 13a, 13b; and an insulating plate 16 is attached to the front of the brush holder 12, whereby assembling work for the brushes 13a, 13b can be automated.
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