Patent ID: 7600698

Claim:
Cleaning head for enabling pressurized cleaning liquid to act upon a surface to be cleaned, comprising: a rotor housing which surrounds an eccentric and can rotate about an axis of rotation with respect to the eccentric, a pressure pump integrated into said cleaning head, at least one spray arm which is rotatably mounted on the rotor housing for rotation about the axis of rotation, and at least one nozzle mounted on the at least one spray arm, said at least one nozzle being adapted to be fed with cleaning liquid by the pressure pump, the pressure pump comprising a delivery piston displaceably mounted in the at least one spray arm, it being possible to drive said delivery piston to and fro within the spray arm in accordance with the revolving movement of the rotor housing about the eccentric, the delivery piston entering into a cylinder space which is in flow connection with the least one nozzle and which can be fed with the cleaning liquid.