US Patent 9549648 Lift off deep cleaner

An extraction cleaner for a floor surface comprises a portable extractor and a base adapted to be moved to perform a cleaning operation on the floor surface when the portable extractor is operably mounted to the base. The portable extractor includes a suction hose for manually suctioning fluid from the floor surface, a recovery tank interconnected to the suction hose for receiving recovered fluid from the floor surface, and a fluid delivery system for dispensing a cleaning fluid onto the floor surface. One or more connections are made between the base and components of the portable extractor when the portable extractor is operably mounted to the base.