Patent ID: 7448114

Claim:
A floor sweeping and scrubbing machine comprising: a mobile body comprising a frame supported on wheels for travel over a surface; a motorized cleaning head attached to the mobile body, the cleaning head configured to perform sweeping and scrubbing operations on the surface; a waste hopper positioned on a rear side of the cleaning head and configured to receive waste discharged from the cleaning head during the surface sweeping operations; a hopper lift connected to the mobile body and configured to raise the waste hopper from an operating position, in which the waste hopper is positioned adjacent the cleaning head, to a dumping position, in which the waste hopper is positioned to dump waste collected in the waste hopper; a vacuum squeegee; a vacuum fan in vacuum communication with a vacuum port of the vacuum squeegee; and a waste recovery tank supported by the mobile body on the rear side of the cleaning head and configured to receive liquid waste collected by the vacuum squeegee.