Patent ID: 6401294
Filing Date: 2002-06-11
Classification: A47L,B01F,C11D,F16K,H05B

Abstract:
A portable surface cleaning apparatus, comprising:a base module for movement along a surface and comprising a base housing having a rear portion; the base housing including an upper housing portion and a lower housing portion which have arcuate surfaces that between them define sockets; an upright handle having depending arms spanning the base housing, the arms having inner and outer sides, with the inner sides being adjacent the base housing, the inner sides of the arms having bearings which are rotatably received in the sockets defined by the arcuate surfaces of the upper and lower housing portions, for pivotally mounting the handle to the base housing; a fluid recovery system comprising: a tank having a fluid recovery chamber for holding recovered fluid; a suction nozzle; a working air conduit extending between the recovery chamber and the suction nozzle; a vacuum source in fluid communication with the recovery chamber for generating a flow of working air from the nozzle through the working air conduit and through the recovery chamber to thereby draw dirty liquid from the surface to be cleaned through the nozzle and working air conduit and into the recovery chamber; and a liquid dispensing system comprising: a liquid dispensing nozzle associated with the base module for applying liquid to a surface to be cleaned; a fluid supply chamber for holding a predetermined amount of cleaning fluid; and a fluid supply conduit fluidly connected to the fluid supply chamber and to the dispensing nozzle for supplying liquid to the dispensing nozzle.