| 摘要 |
A brush assembly for an alternator includes a brush, a brush holder holing the brush, and a slip ring cover for covering a slip ring on a rotary shaft of the alternator. The brush holder and the slip ring cover respectively have first and second through-holes that can be brought into alignment with each other by application of a mechanical force. The alignment allows a retainer to be placed through both the first and second through-holes to retain the brush in the brush holder against the spring force of a spring, thereby permitting installation of the brush assembly onto the rotary shaft to be carried out without interference between the brush and the slip ring. The first and second through-holes are brought out of the alignment by removal of the mechanical force and the retainer, thereby blocking foreign matters from entering inside through both the first and second through-holes.
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