| 摘要 |
<p>An electric toothbrush is disclosed which includes an elongate body (12) defining a handle, an elongate housing (16) extending from the body and supporting a brush head (18) at a distal end thereof, a drive shaft rotatably mounted within the housing and connected to the brush head, a motor (26) disposed within the body and including a rotating output shaft (28), and a transmission assembly (30) adapted to convert the rotational movement of the output shaft into reciprocating axial rotation of the drive shaft and brush head about a common axis of rotation. <IMAGE></p> |
