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Extraction cleaner with power drive

  • US 20020174507A1
  • Filed: 08/09/2002
  • Published: 11/28/2002
  • Est. Priority Date: 06/14/1999
  • Status: Active Grant
First Claim
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1. An extraction surface cleaning apparatus having;

  • a housing including a base and an upright handle pivotally mounted to the base for manipulation of the base along a surface to be cleaned;

    a liquid dispensing system mounted to the housing and including;

    a liquid dispenser for applying liquid to the surface to be cleaned;

    a fluid supply chamber for holding a supply of cleaning fluid;

    a fluid supply conduit fluidly connected to the fluid supply chamber and to the liquid dispenser for supplying fluid to the dispenser;

    a fluid recovery system mounted to the housing and including;

    a recovery chamber for holding recovered fluid;

    a suction nozzle;

    a working air conduit extending between the recovery chamber and the suction nozzle; and

    a vacuum source mounted to the housing and in fluid communication with the recovery chamber for generating a flow of working air from the suction nozzle through the working air conduit and to the recovery chamber to thereby draw dirty liquid from the surface to be cleaned through the suction nozzle and the working air conduit, and into the recovery chamber;

    the improvement which comprises;

    a traction driver mounted to the base for supporting the housing for movement along the surface to be cleaned; and

    a power drive assembly mounted to the housing and connected to the traction driver for selectively propelling the base over the surface to be cleaned.

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