Duplex vacuum cleaner nozzle

• US 3,380,103 A
• Filed: 07/06/1966
• Issued: 04/30/1968
• Est. Priority Date: 06/21/1966
• Status: Expired due to Term

• Current Assignee: William P. Ritzau
• Original Assignee: William P. Ritzau
• Inventors: Ritzau, William P.
• Application Number:
  US04/563,192
• Time in Patent Office: 664 Days
• US Class Current: 15/417
• CPC Class Codes: A47L 9/02 Nozzles suction nozzles for fluid transport B65G51/00
• CPC Class Codes: A47L 9/06 with fixed, e.g. adjustably fixed brushes or the like
• CPC Class Codes: A47L 9/068 Nozzles combined with a different cleaning side, e.g. duplex nozzles or dual purpose nozzles

Claims

1. A DUPLEX SUCTION NOZZLE, A NOZZLE BODY INCLUDING FIRST AND SECOND DISSIMILAR FLOOR CLEANING SURFACES SITUATED IN BACK-TO-BACK RELATION AND A THIRD SURFACE EXTENDING FROM THE FIRST CLEANING SURFACE TO THE SECOND CLEANING SURFACE, SAID NOZZLE BODY HAVING A PLENUM CHAMBER THEREWITHIN AND FIRST AND SECOND INLET OPENINGS IN THE FIRST AND SECOND FLOOR CLEANING SURFACES, RESPECTIVELY, FOR ADMITTING DIRT TO THE PLENUM CHAMBER, SAID NOZZLE BODY HAVING AN EXHAUST OPENING IN THE THIRD SURFACE FOR DISCHARGING DIRT FROM THE PLENUM CHAMBER, A CONDUIT HAVING AN END THEREOF COUPLED TO THE NOZZLE BODY AT THE EXHAUST OPENING THEREOF, SAID NOZZLE BODY BEING ROTATABLE ABOUT THE END OF THE CONDUIT TO SELECTIVELY POSITION EITHER OF THE FLOOR CLEANING SURFACES IN FACING RELATION TO THE FLOOR, SAID CONDUIT HAVING AT LEAST ONE TOOTH PROJECTING FROM THE PERIPHERY THEREOF, A VALVE DISPOSED IN THE PLENUM CHAMBER, AND GEAR MEANS COUPLED TO THE VALVE AND ENGAGEABLE BY SAID TOOTH AFTER THE NOZZLE BODY HAS BEEN ROTATED APPROXIMATELY 90* ABOUT THE CONDUIT TO SHIFT THE VALVE DUDRING A FURTHER 90* ROTATION OF THE NOZZLE BODY ABOUT THE CONDUIT WHEREBY THE VALVE OPENS THE INLET OPENING IN THE FLOOR CLEANING SURFACE FACING THE FLOOR WHILE, SIMULTANEOUSLY, CLOSING THE INLET OPENING IN THE FLOOR CLEANING SURFACE WHICH DOES NOT FACE THE FLOOR.