US Patent 10952580 Cleaning device with rotatable head

A cleaning device including a handle assembly including a proximal end and a distal end, a base having a front edge and a rear edge, a hinge attached between the distal end of the handle assembly and the base, the hinge defining a first axis between the hinge and the base, a replacement head removably attachable to the base, the replacement head including a suction inlet and a pad defining a lower surface, wherein the first axis is positioned to maintain contact between the lower surface and a floor and avoid skipping.