US Patent 8449212 Floor maintenance tool and method

A floor tool including a handle, a mop head, and a fluid reservoir. The handle includes first and second opposite ends through which a longitudinal axis of the handle extends. The mop head is coupled to the second end of the handle. The fluid reservoir is coupled to and carried by the handle at a location between the first and second ends of the handle and has a center of mass offset from the longitudinal axis. A portion of the handle is offset from the longitudinal axis more the center of mass of the fluid reservoir. Additionally, the portion of the handle is located between the fluid reservoir and the first end of the handle such that the portion of the handle is located above the fluid reservoir.