| 摘要 |
There is provided a resistance generating device including a resistance generating unit disposed inside the rotation axis, the resistance generating unit having an inner ring and an outer ring, one of the inner ring and the outer ring being combined with the rotation axis and the other one of the inner ring and the outer ring being combined with the fixed part, the one being rotated with respect to the other while generating a rotational resistance, and a switch part disposed inside a surface of the rotation axis.
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