| 摘要 |
PROBLEM TO BE SOLVED: To provide a current collector capable of having a compact constitution by comparatively reducing an occupied space even when more control wires and wires for supplying power are required. SOLUTION: In this current collector 10, a plurality of slip rings 13 are provided on a slip ring disc 11 on a face directed to a relatively-rotating axis CL coaxially with and away from each other in a radial direction of relative rotation. Then, the slip ring disc 11 has an annular insulation part 13z between the adjacent slip rings 13, and the adjacent slip rings 13 and the insulation part 13z have a step in the axis CL direction. COPYRIGHT: (C)2009,JPO&INPIT
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