US Patent 11008744 Automatic floor cleaning machine and process

A floor cleaning device for automatically cleaning in front of and around lavatory appliances like urinals, toilets, sinks, and hand drying devices, wherein the floor cleaning device has a fixed unit, a mobile unit, and an extension mechanism connected to the fixed unit and the mobile unit that sprays disinfectant solution and recovers or removes waste solution during the extension or retraction of the mobile unit from and to the fixed unit.