Aircraft

Claim 1

IN AN AIRCRAFT, TWO HORIZONTALLY COUNTER-ROTATING VERTICAL DOWNWARD THRUST PROPELLER ASSEMBLIES, AND MEANS FOR MOUNTING SAID ASSEMBLIES ON SAID AIRCRAFT COMPRISING: A SHAFT EXTENDING DOWNWARDLY FROM EACH VERTICAL THRUST PROPELLER, EACH SHAFT BEING PROVIDED WITH A BEARING, SAID BEARINGS EACH HAVING A FIXED PORTION AND A ROTATING PORTION, SAID BEARINGS EACH ROTATABLY SUPPORTING ITS RESPECTIVE SHAFT AND EACH PERMITTING THE UPPER END OF ITS SHAFT TO SWING FORWARDLY, REARWARDLY AND TO EACH SIDE WITH RESPECT TO SAID AIRCRAFT BY PIVOTING AT THE RESPECTIVE BEARING FOR PERMITTING SAID RESPECTIVE VERTICAL THRUST PROPELLER TO TILT FOR FACILITATING CONTROL OF SAID AIRCRAFT, MEANS ATTACHING SAID FIXED PORTION OF SAID BEARINGS TO SAID AIRCRAFT, A BALL AND SOCKET JOINT ATTACHED TO A LOWER END OF THE RESPECTIVE PROPELLER SHAFT, AND MEANS ATTACHED TO SAID BALL AND SOCKET JOINT AND EXTENDING INTO THE OPERATOR''S AREA OF SAID AIRCRAFT WHEREBY THE OPERATOR CAN MOVE SAID BALL AND SOCKET JOINT FORWARDLY, REARWARDLY OR FROM SIDE-TO-SIDE OF SAID AIRCRAFT, EACH OF SAID VERTICAL THRUST PROPELLER ASSEMBLES BEING PROVIDED WITH A MOTOR DRIVABLY ATTACHED THERETO AND SWINGABLE WITH THE SHAFT THEREOF RESPECTIVELY AND DISPOSED ON THE UNDERSIDE OF A RESPECTIVE BEARING, AND MEANS FOR PREVENTING ROTATION OF SAID MOTOR WITH RESPECT TO SAID AIRCRAFT WHEREBY THE POWER OF SAID MOTOR IS DELIVERED DRIVABLY TO THE RESPECTIVE VERTICAL THRUST PROPELLER SHAFT.