Patent ID: 6192549
Filing Date: 2001-02-27
Classification: A47L,B01F

Abstract:
A recovery tank adapted for removable mounting in a base assembly of a portable surface cleaning apparatus having a handle pivotally attached to the base assembly, the base assembly including a first suction nozzle on the base assembly in fluid communication with a vacuum source through the recovery tank, the recovery tank comprising:an upper wall a lower wall and at least one sidewall connected together to define an enclosed chamber, the upper wall sloping forwardly and downwardly and forming an inlet opening at an upper rearward portion thereof; an enclosed channel formed at least in part by the upper wall and defining a working air conduit extending rearwardly from a lower front portion of the upper wall to an upper portion of the upper wall and having an inlet opening, at the lower front portion and a discharge opening at the upper portion the discharge opening being in fluid communication with the enclosed chamber through the inlet opening at the upper rearward portion of the upper wall, the working air conduit adapted to be in fluid communication between the suction nozzle and the vacuum source when the recovery tank is attached to the base to thereby draw liquid and debris from a surface to be cleaned and deposit the liquid and debris into the recovery tank.