| 摘要 |
An automatically moving vacuum cleaner and a wheel assembly which is mounted on the automatically moving vacuum cleaner and determines whether the automatically moving vacuum cleaner travels or not are provided. The wheel assembly includes a spindle which is connected to a cleaner body; a housing which is disposed on the spindle; a wheel which is rotatably disposed on the housing; a sensed member which is moved in association with the rotation of the wheel; and a sensing means which senses the movement of the sensed member. |
