Pool cleaning apparatus

Claim 1

A SWIMMING POOL CLEANER COMPRISING: A FLOATING LEADER UNIT ADAPTED TO MOVE ABOUT THE PERIPHERY OF A POOL IN A FORWARD DIRECTION, INCLUDING A HOLLOW BODY; A FLEXIBLE CONDUIT CONNECTED AT ONE END TO SAID HOLLOW BODY AND AT ITS OTHER END TO A SOURCE OF WATER UNDER PRESSURE; SAID BODY BEING PROVIDED WITH A PROPULSION ORIFICE FOR DISCHARGE OF WATER GENERALLY REARWARDLY, A TURNING ORIFICE FOR DISCHARGE OF WATER GENERALLY LATERALLY OF THE FORWARD DIRECTION, AND A THIRD ORIFICE DIRECTED IN THE OPPOSITE LATERAL DIRECTION; VALVE MEANS IN THE BODY NORMALLY CLOSING THE PATH OF WATER FLOW TO THE TURNING ORIFICE AND ACTUATABLE TO OPEN SAID PATH AND SIMULTANEOUSLY TO CLOSE THE PATH OF WATER FLOW TO THE PROPULSION ORIFICE; MEANS FOR ACTUATING SAID VALVE UPON STRIKING AN OBSTRUCTION TO FORWARD MOVEMENT OF THE UNIT INCLUDING AN ELONGATED MEMBER EXTENDING GENERALLY DOWNWARDLY FROM SAID BODY AND A HORIZONTALLY DISPOSED DISK CARRIED BY THE LOWER END OF THE MEMBER, THE FORWARD EDGE OF THE DISK EXTENDING FORWARDLY OF SAID BODY; A FLEXIBLE HOSE CONNECTED AT ITS UPPER END TO SAID UNIT AND RECEIVING WATER THEREFROM FOR JETTING DISCHARGE OF WATER FROM ITS LOWER END IN RANDOM MOVEMENT IN THE POOL WATER.