| 摘要 |
The present invention relates to a vacuum cleaner including a head assembly, wherein the vacuum cleaner includes: a driving force transferring member, a rotating shaft rotating by receiving the driving force of the driving force transferring member; an one-way bearing connected with the rotating shaft; and a wheel connected with the one way bearing and moving the head assembly forward by rotating according to the rotation of the rotating shaft, wherein the one way bearing blocks the rotating force which is transferred to the wheel by the rotating shaft in a case where the head assembly moves backward. Therefore, the present invention can reduce strain on the wrist of a user even in a case where the user cleans a wide area for a long time. |
