| 摘要 |
PROBLEM TO BE SOLVED: To provide a current collector which prevents a short circuit accident due to the wear power of a brush. SOLUTION: In the current collector 4 which has a plurality of brushes 10 and slip rings 7 sliding on the brushes 10, annular discs 20 roughly the same in diameter as the slip rings 7 are installed among the slip rings 7. COPYRIGHT: (C)2004,JPO
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