Patent ID: 6167586
Filing Date: 2001-01-02
Classification: A47L,B01F,Y10T

Abstract:
A portable surface cleaning apparatus, comprising: a base for movement along a surface to be cleaned; an upright handle pivotally attached to a rearward portion of the base; a liquid dispensing system comprising: a liquid dispensing nozzle associated with the base for applying liquid to the surface; a fluid supply tank on the base or the handle having an enclosed chamber for holding a predetermined amount of supply fluid; a conduit fluidly connected to the fluid supply tank and to the dispensing nozzle for supplying liquid to the dispensing nozzle; a fluid recovery system comprising: a fluid recovery tank on the base or the handle having an enclosed chamber for holding recovered fluid; a suction nozzle mounted to the base; a working air conduit extending between the recovery tank and the suction nozzle; a vacuum source in fluid communication with the recovery tank for generating a suction in the recovery tank, conduit, and nozzle to thereby draw liquid from the surface and deposit the liquid in the recovery tank; the improvement comprising: a protrusion extending downwardly from a bottom wall of the fluid supply tank and defining a well in the tank for receiving a measured amount of concentrated cleaning solution.