|発明の名称||GROUNDING BRUSH DEVICE|
PROBLEM TO BE SOLVED: To provide a grounding brush device mountable even in a small mounting space by housing the grounding brush device in the axle of a vehicle and utilizing the axle as a slip ring, and capable of feeding back a current from a pantograph to a rail efficiently.
SOLUTION: In the grounding brush device, a brush is fitted to a brush insertion groove of a brush holding box, and the fitted brush is pressurized by a spring and brought into contact with the axle of the vehicle. The grounding brush device is placed in a recess formed in the end of the axle, and a portion protruded from the front end of the axle is reduced.
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