| 摘要 |
<p>The present design relates to a cleaning tool which simultaneously cleans the inner and the outer surface of a glass window in a building. The cleaning tool comprises an interior cleaning part and an exterior cleaning part. The interior cleaning part and the exterior cleaning part are attached to the interior and the exterior, respectively by the magnetic attraction of a magnet. A circular brush is installed at each cleaning part. The brush of the exterior cleaning part rotates according to the rotation of the brush of the interior cleaning part by power, thereby simultaneously cleaning an outer glass surface.</p> |
