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Liquid extraction machine

  • US 6,418,586 B2
  • Filed: 10/09/2001
  • Issued: 07/16/2002
  • Est. Priority Date: 02/02/2000
  • Status: Expired due to Fees
First Claim
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1. An extraction machine for cleaning a floor surface, the extraction machine being movable relative to the floor surface in a desired direction of travel to clean the floor surface, said extraction machine comprising:

  • a cleaning solution dispenser capable of dispensing a chemical cleaning agent onto the surface being cleaned;

    a container carried onboard the extraction machine and defining an interior space for holding a supply of said chemical cleaning agent, the container having an opening and a closure for the opening, the closure having a passage extending therethrough in fluid communication with the interior space of the container;

    a chemical delivery line providing fluid communication between the passage of the container closure and the cleaning solution dispenser for delivering chemical cleaning agent from said interior space of the container to said cleaning solution dispenser; and

    a metering device generally adjacent the container closure in fluid communication with the passage of said closure for metering the flow of chemical cleaning agent from said container.

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