| 摘要 |
PROBLEM TO BE SOLVED: To provide a bicycle hub dynamo capable of surely establishing ground and surely supplying electric power. SOLUTION: The bicycle hub dynamo where a hub case 6 for fixing a magnet 12 and rotating with a front wheel 4 is mounted around an axle 14 provided with a power generation coil 21, generates electricity by rotation of the front wheel 4. In the bicycle hub dynamo, a power supply line 23 for supplying power from the power generation coil 21 and ground of the power generation coil 21 are provided as one power feeding socket 18 on the outside of the hub case 6, and a power supply lead line 25 and a lead line 26 for ground are connected to the power feeding socket 18 for supplying power to an electric component for a bicycle and supply the electric power to the electric component, so that certain conduction can be carried out without damaging a frame of a bicycle. COPYRIGHT: (C)2005,JPO&NCIPI
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