US Patent 8167510 Surface scrubber with rotating pad

A cleaning device includes an integral fluid dispenser therein that serves to dispense a fluid into the scrubbing pad of the device to improve the cleaning effectiveness of the device. The device includes a main body with a cleaning pad attached to one side thereof, an internal motorized assembly for rotating the cleaning pad upon depressing a button provided on a side of the main body and a fluid storage region that contains a cleaning fluid. A metered dosing pump is used to dispense a measured amount of fluid from the fluid storage region to cleaning pad upon actuation by the user. Further, the dispensing action and the rotation of the pad may be controlled by the same button or by separate buttons.