| 摘要 |
<p>A power tool comprises a head shell (11) and a machine shell (12). A motor and a driving mechanism are provided inside the machine shell (12). An output shaft (14) extends from the head shell (11). By the driving of the motor and the torque transmission of the driving mechanism, the output shaft (14) performs a rotationally oscillating movement about its axis (L). Wherein, an elastic element is provided between the head shell (11) and the output shaft (14). The elastic element can effectively absorb the vibration occurred on the output shaft (14) and the vibration transferred to the output shaft (14) by the non-symmetrical balance attachments, thus weakening the vibration transferred to the head shell (11) by the output shaft (14), greatly improving the vibration problem occurred in the process of the use of a user, and improving the operating comforts.</p> |
