Adjustable conduit joint

Claim 1

A MOVABLE STRUCTURE COMPRISING WALLS DEFINING A FLUID CHAMBER A AND TWO TUBULAR SEGMENTS B AND C DISPOSED IN SUCCESSIVE END ALIGNMENT WITH SAID CHAMBER AND WITH EACH OTHER, SAID SEGMENTS JOINTLY FORMING A FLUID OUTLET FROM SAID CHAMBER DISPOSED TO IMPART DIRECTIONCONTROLLED THRUST TO SAID STRUCTURE BY EJECTION OF FLUID THERETHROUGH, SEGMENT B BEING SUBSTANTIALLY WEDGE SHAPED IN AXIAL SECTION, AND SELECTIVELY ROTATABLE ON SUCH AXIS, TRANSVERSE PLANES OF SEPARATION BETWEEN THE CHAMBER A AND SEGMENT B AND BETWEEN SEGMENTS B AND C CORRESPONDING GENERALLY TO THE SHAPE OF THE ADJACENT SEGMENT ENDS AND BEING DISPOSED ANGULARLY TO EACH OTHER AND GENERALLY RADIAL TO THE LONGITUDINAL DIRECTION OF SAID FLUID FLOW; ANNULAR SEALING AND BEARING MEANS DISPOSED ABOUT EACH OF SAID PLANES OF SEPARATION AND JOINTLY EMBRACING THE RESPECTIVE SEGMENT ENDS, AND THUS ADPATING THE SEGMENT B TO BE ROTATED BY ITSELF RELATIVE TO THE CHAMBER A AND TO SEGMENT C WHILE PERMITTING UNITERRUPTED FLUID FLOW LENGTHWISE THROUGH SEGMENTS B AND C FROM CHAMBER A, WHEREBY THE AXIAL INCLINATION OF SEGMENT C RELATVIE TO CHAMBER A MAY BE PROGRESSIVELY VARIED BOTH BY THE CHANGING ROTATIONAL POSITION OF SEGMENT B ALONE, AND BY THE ROTATION OF SEMENT C ALONE AS WELL AS BY THEIR JOINT ROTATION; REMOTE-CONTROLLED, EJECTION THRUST-PRODUCING MEANS FOR SELECTIVELY ROTATING SAID SEGMENTS, AND ASSOCIATED, SELECTIVELY-OPERATIVE BRAKE MEANS ADAPTED TO RESTRAIN RELATIVE SEGMENT ROTATION AT A PREDETERMINED POSITION.