Patent ID: 8789229

Claim:
An apparatus for cleaning surfaces, having a cleaning head ( 10 , 10 ′) which includes a base part ( 11 ) and at least two brush elements ( 13 a , 13 b , 30 ) which are provided at opposite sides of the base part ( 11 ) and also supported by the base part and which can be set into a cleaning movement relative to the base part ( 11 ), wherein a fluid drive ( 15 ) is integrated into the base part ( 11 ) which is designed to convert the flow energy of a fluid supplied under pressure to the base part ( 11 ) into the cleaning movement of the brush elements ( 13 a , 13 b , 30 ); and wherein the fluid drive ( 15 ) has a drive member ( 19 ) which is rotatably driven about an axis by the fluid and by which both brush elements ( 13 a , 13 b , 30 ) can be driven together, said brush elements positioned on opposite axial ends of said drive member, wherein the fluid drive ( 15 ) includes a transmission unit having an inlet acted on by the fluid at the drive member ( 19 ) and two outlets acting on the brush elements ( 13 a , 13 b , 30 ).