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Floor cleaning apparatus

  • US 3,233,267 A
  • Filed: 07/03/1963
  • Issued: 02/08/1966
  • Est. Priority Date: 07/03/1963
  • Status: Expired due to Term
First Claim
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1. IN A CLEANING MACHINE, A SHAFT MOUNTED FOR ROTATION ABOUT A LONGITUDINAL AXIS, A PLURALITY OF CLEANING UNITS MOUNTED UPON SAID SHAFT, EACH CLEANING UNIT COMPRISING A SHEET INCLUDING A PLURALITY OF LIQUID ABSORBING FILAMENTS EMBEDDED IN AN ELASTOMER AND HAVING ITS MAJOR PLANE NORMAL TO SAID SHAFT, EACH OF SAID UNITS HAVING AN ARCUATE MARGINAL REGION HAVING THE SAME GIVEN MAXIMUM SEPARATION FROM THE LONGITUDINAL AXIS OF SAID SHAFT AND ADAPTED TO BE CARRIED OVER THE SURFACE TO BE CLEANED BY THE ROTATION OF SAID SHAFT, A MARGINAL PORTION OF EACH OF SAID UNITS HAVING A SPACING FROM THE AXIS OF SAID SHAFT LESS THAN SAID MAXIMUM SPACING, SAID CLEANING UNITS BEING MOUNTED ON SAID SHAFT IN FACE-TO-FACE RELATIONSHIP WITH SAID ARCUATE MARGINAL REGIONS DISPLACED FROM SAID ARCUATE MARGINAL REGIONS OF ADJACENT CLEANING UNITS, MEANS TO ROTATE SAID SHAFT ABOUT ITS LONGITUDINAL AXIS AND MEANS TO BIAS SAID SHAFT TOWARD SAID SURFACE TO BE CLEANED.

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