| 摘要 |
An electric toothbrush is disclosed comprising a body, a head, and a neck extending therebetween. A motor, drive train, and one or more batteries impa rt motion to the collection of movable bristles. A spring component is provided in the drive train that is configured to absorb excessive loads that would otherwise be transmitted to the motor. Reducing or eliminating application o f such excessive loads on the motor extends battery life.
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