Hull cleaner

Claim 1

APPARATUS FOR REMOVING SEA GROWTHS FROM THE HULLS OF VESSELS WHILE SAID HULLS ARE UNDER WATER COMPRISING: (A) A WHEELED CARRIAGE HAVING AT LEAST THREE WHEELS WHEREBY TO PROVIDE MEANS FOR MAINTAINING A PREDETERMINED ORIENTATION OF SAID CARRIAGE RELATIVE TO SAID HULL; (B) A CONDUIT WHICH IS ELONGATED WHEN VIEWED IN PLAN SUPPORTED BY THE SAID WHEELS AND HAVING GENERALLY OPPOSED INLET AND OUTLET ENDS, SAID INLET END INCLUDING A MOUTH POSITIONED, RELATIVE TO SAID WHEELS, SO THAT, WHEN SAID WHEELS REST ON A SUBSTANTIALLY FLT SURFACE, SAID MOUTH WILL BE SPACED FROM SAID SURFACT TO PERMIT WATER TO PASS BETWEEN SAID MOUTH AND SAID SURFACE IN WIPING ENGAGEMENT THEREWITH; (C) A PLURALITY OF NOZZLES IN SAID CONDUIT POSITIONED SIDE-BY-SIDE, SAID NOZZLES BEING DIRECTED GENERALLY TOWARD THE OUTLET AND END OF THE SAID CONDUIT, EACH NOZZLE INCLUDING AN ELBOW THEREIN, SAID ELBOW DESCRIBING AN ANGLE OF ABOUT 75* WHEREBY TO PROVIDE MEANS FOR INTRODUCING AN UPWARD FORCE COMPONENT REACTING AGAINST THE FLOW OF WATER THROUGH SAID NOZZLE WHENEVER THE SAID APPARATUS IN A SUBSTANTIALLY VERTICAL ORIENTATION; (D) A HOSE CONNECTED AT ONE END TO MEANS CONNECTED TO EACH OF THE SAID NOZZLES AND ADAPTED FOR CONNECTION TO A SOURCE OF WATER UNDER PRESSURE AT THE OTHER END FOR DISCHARGING A JET OF WATER FROM EACH OF SAID NOZZLES INTO SAID CONDUIT TOWARD THE OUTLET END THEREOF WHEREBY TO INDUCE A FLOW OF WATER BETWEEN SAID MOUTH AND A SURFACE ADJACENT THERETO; AND (E) A GUIDE MEANS SECURED BY A PIVOTAL CONNECTION TO EITHER SIDE OF THE SAID CARRIAGE PERMITTING THE SAID CARRIAGE TO BE GUIDED INTO CONTACT WITH THE HULL OF THE VESSEL AND TO PERMIT SAID CARRIAGE TO TURN ABOUT SAID PIVOTAL CONNECTION THEREBY ALL WHEELS OF THE SAID CARRIAGE MAY BE BROUGHT INTO CONTACT WITH SAID HULL, THE SAID GUIDE MEANS HAVING AN ELONGATED HANDLE THEREON WHICH MAY BE MANUALLY MANIPULATED.