Surface cleaning robot e.g. window cleaning robot has cleaning portion which is provided with closed cleaning surface, and suction bell region is rotated relative to cleaning portion in movable surface

摘要

The surface cleaning robot (1) has a central suction bell region (4) which is adhered to the vertically extending surface, by generating a negative pressure. The drive wheels (6,7) and optionally one or more traversing wheels are provided, and a cleaning portion (15) is provided with a rotating closed cleaning surface (16), which is formed by a micro fiber cloth. The suction bell region is rotated relative to the cleaning portion in the movable surface.