Invention Grant
US07861348B2 Electric toothbrushes 有权
电动牙刷

Electric toothbrushes
Abstract:
An electric toothbrush is provided. The electric toothbrush has a handle, a head with carriers and a longitudinal axis, and a neck disposed between the handle and the head. A motor is disposed within the handle. A shaft is operatively connected to the motor. The shaft is operatively connected to the carrier to move the carrier in a first motion. The carrier is capable of moving in a second motion when subjected to user forces.
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