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Swimming pool cleaning means

  • US 3,321,787 A
  • Filed: 12/17/1964
  • Issued: 05/30/1967
  • Est. Priority Date: 12/17/1964
  • Status: Expired due to Term
First Claim
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1. A SUBMARINE CLEANER INCLUDING A CHASSIS ADAPTED TO BE SUBMERGED BENEATH THE LIQUID IN A TANK FOR CLEANING THE BOTTOM SURFACE OF THE TANK, SAID CLEANER COMPRISING, TWO ROTATABLY MOUNTED BRUSHES OPERATIVELY CONNECTED TO SAID CHASSIS, MEANS FOR ROTATING SAID BRUSHES, SAID ROTATABLE BRUSHES BEING IN ENGAGEMENT WITH THE BOTTOM SURFACE OF THE TANK FOR CLEANING SAID BOTTOM SURFACE AND DRIVING SAID CLEANER OVER SAID BOTTOM SURFACE, SAID ROTATABLE BRUSHES BEING THE ONLY POWERED DRIVE MEANS IN CONTACT WITH THE BOTTOM SURFACE OF SAID TANK, AND MEANS FOR REMOVING FOREIGN MATTER AGITATED BY SAID BRUSHES;

  • ONE OF SAID BRUSHES HAVING AN AXIS AT AN ANGLE DIFFERENT THAN THAT OF THE ANGLE OF AXIS OF SAID OTHER BRUSH.

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