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ECCENTRIC VIBRATION STRUCTURE OF ELECTRICAL TOOTHBRUSH
ECCENTRIC VIBRATION STRUCTURE OF ELECTRICAL TOOTHBRUSH
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机译:电动牙刷的偏心振动结构
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摘要
An eccentric vibration structure of electrical toothbrush includes an eccentric rod. Two ends of the eccentric rod are respectively formed with a transmission section and a weight section. The transmission section is drivable by a driving force to rotate so as to drive the weight section to eccentrically vibrate. The weight section has at least one weight part for partially or totally increasing the weight of the weight section, whereby due to the increased weight, the weight section is unbalanced in weight to deflect from a central axis of the eccentric rod.
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