US Patent 7708484 Cleaning implement

A cleaning implement includes a cleaning head having on the bottom a cleaning operation surface and a valve opening and closing device that is connected to the cleaning head and can hold a first container for receiving a first fluid or a second container for receiving a second fluid. The cleaning implement further includes a first circulation path through which the first fluid is ejectable from the cleaning head and a second circulation path through which the second fluid is ejectable by interrupting the first circulation path.