| 主权项 |
1. An apparatus for cleaning surfaces, comprising
a cleaning head which includes at least one base part and at least two brush modules which form a brush arrangement, said base part and said brush modules being axially aligned with each other and said at least two brush modules being rotatable about a common axis which extends through said base part, said brush modules being rotatable relative to said at least one base part, a fluid drive for at least one of said brush modules which is at least partly integrated into the base part and which is designed to convert the flow energy of a fluid supplied to the base part under pressure into a cleaning movement of the at least one of said brush modules, wherein a set of additional brush modules is provided for changing the working width of said brush arrangement, said additional brush modules being axially coupled to each other and to said at least two brush modules to form said brush arrangement. |
