Rotating conduit control

Claim 1

A DIRECTION CONTROL SYSTEM FOR WATERCRAFT COMPRISING A STRAIGHT FIRST CONDUIT MOUNTED ON SAID CRAFT AND HAVING A STRAIGHT PASSAGE THERETHROUGH, SAID PASSAGE HAVING A CONSTRICTED EXIT OPENING REARWARDLY THEREOF, SAID SYSTEM COMPRISING MEANS FOR PUMPING WATER THROUGH SAID PASSAGE TO EXHAUST IN A JET FROM SAID EXIT, A SECOND CONDUIT HAVING AN ENTRANCE OPENING AND AN EXIT OPENING, A PAIR OF OPPOSITELY EXTENDING COAXIAL SHAFTS FIXED TO SAID SECOND CONDUIT AND PIVOTALLY MOUNTED ON SAID CRAFT, MEANS FIXED TO ONE OF SAID SHAFTS FOR PIVOTING SAID SECOND CONDUIT FROM WITHIN SAID CRAFT, SAID SECOND CONDUIT BEING MOUNTED IN REGISTRY WITH SAID PASSAGE EXIT AND PIVOTAL TO A REARWARDLY EXTENDING POSITION WHEREIN SAID JET MOVES THROUGH SAID SECOND CONDUIT WITH A NOMINAL PORTION OF THE WATER OF SAID JET CONTACTING SAID SECOND CONDUIT, A FLEXIBLE ANNULAR MEMBER SURROUNDING SAID EXIT AND CONNECTING SAID FIRST AND SECOND CONDUITS SO AS TO PROVIDE A CLOSED PASSAGEWAY BETWEEN SAID PASSAGE AND SECOND CONDUIT, A GATE PIVOTALLY MOUNTED UPON SAID SECOND CONDUIT FOR PIVOTING ABOUT A TRANSVERSELY EXTENDING HORIZONTAL AXIS, SAID GATE BEING PIVOTAL TO A POSITION CLOSING OFF SAID SECOND CONDUIT EXIT OPENING AND TO A POSITION WHEREIN SAID GATE IS RECEIVED IN THE SECOND CONDUIT ABOVE THE PATH OF THE JET, A BALL MOUNTED FOR BALL-AND-SOCKET ROTATION UPON SAID CRAFT, A ROD RECEIVED WITHIN SAID CRAFT, SLIDABLY RECEIVED THROUGH SAID BALL AND PIVOTALLY CONNECTED TO SAID GATE FOR MOVING SAID GATE BETWEEN SAID POSITIONS.