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SELF-PROPELLED EXTRACTION SYSTEMS AND METHODS

  • US 20090288685A1
  • Filed: 04/07/2009
  • Published: 11/26/2009
  • Est. Priority Date: 09/14/2006
  • Status: Abandoned Application
First Claim
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1. A system for applying a vacuum to a floor structure, comprising:

  • a vacuum system for creating at least a partial vacuum;

    a vacuum hose operatively connected to the vacuum system; and

    a vacuum accessory comprisinga platform assembly comprisingat least one inlet opening directed to a portion of the floor structure, andan outlet opening operatively connected to the vacuum hose; and

    a drive system comprising a control member and first and second drive wheels;

    wherebydisplacement of the control member causes movement of the first and second drive wheels which in turn causes the platform assembly to move in at least one of a forward direction, a reverse direction, a first pivot direction, and a second pivot direction; and

    as the platform assembly moves in at least one of a forward direction, a reverse direction, a first pivot direction, and a second pivot direction, the inlet opening moves along a path relative to the floor structure.

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