| 摘要 |
PURPOSE: A vibroisolating structure of a friction gear for an electric bicycle is provided to prevent the overload, the abrasion, and the breakage of the friction gear. CONSTITUTION: A vibroisolating structure of a friction gear for an electric bicycle comprises a friction gear outer body(10) in which a plurality of protrusions(11) is formed to a cylindrical outer circumference with a prescribed diameter, a friction gear inner body(30) arranged in the friction gear outer body and penetrated for a driving shaft to be inserted in, and an elastic member(40) arranged between the friction outer body and the friction inner body.
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