Patent ID: 7891049
Filing Date: 2011-02-22
Classification: A47L

Abstract:
1. An upright extraction cleaning machine for cleaning a surface as the upright extraction cleaning machine is moved along the surface, the extraction cleaning machine comprising: a base assembly comprising a housing having at least one side wall extending toward the surface, a rear wall extending toward the surface and a bottom wall; a suction nozzle at a forward portion of the base assembly; a source of heated air enclosed within the base assembly, a port located rearwardly of the suction nozzle in the bottom wall in fluid communication with the source of heated air for exhausting heated air through a bottom of the base assembly to the surface; at least one side wall skirt positioned entirely rearwardly of the suction nozzle and extending from the at least one side wall toward the surface; and a rear wall skirt extending from the rear wall toward the surface; wherein the at least one side wall skirt and the rear wall skirt define an enclosed space rearwardly of the suction nozzle beneath the base assembly for retaining heated air exhausted from the port against the surface.