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Floor maintenance machine and method

  • US 4,586,208 A
  • Filed: 12/17/1984
  • Issued: 05/06/1986
  • Est. Priority Date: 12/17/1984
  • Status: Expired due to Fees
First Claim
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1. A method of operating a floor maintenance machine having a solution chamber for holding clean solution to be supplied to a floor to be cleaned, a recovery chamber for receiving dirty solution returned from the floor, two conduits and a cleaning head connected to the chambers for supplying clean solution from the solution chamber to the floor to be cleaned and for returning dirty solution to the recovery chamber, a pump for supplying clean solution from the solution chamber to the cleaning head, and a vacuum fan for creating a vacuum in the recovery chamber so that dirty solution will be drawn from the floor through the cleaning head, including the steps of establishing communication between the chambers, both above and below the normal solution level, so that solution may flow from the recovery chamber through the below communication into the solution chamber and the vacuum in the recovery chamber will be applied through the above communication to the top of the solution in the solution chamber, cleaning the dirty solution flowing through the below communication so that the dirty solution in tne recovery chamber will be cleaned before it is returned to the solution chamber to thereby operate the machine on a recycling basis, and closing both the above and below communications so that the machine may also be operated on a non-recycling basis.

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