| 摘要 |
PURPOSE: An automatic cleaning device is provided to clean an inclined surface by moving a moving member on the inclined surface. CONSTITUTION: An automatic cleaning device comprises a first movable part, a second movable part, a moving wheel(130), a first drive motor(135), a fixing unit, a contact detector(160), and a second driver motor. The first movable part is arranged in one side of the cleaning surface. The second movable part is arranged in the other side of the cleaning surface. The moving wheel is equipped in one among the first movable part and second movable part. The first drive motor offers driving force to the moving wheel. The contact detector includes a contact unit, an elastic member, and a switch unit.
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