Transducer

Claim 1

TRANSDUCER MOUNTING APPARATUS COMPRISING, A HOLLOW FRAME MEMBER HAVING MUTUALLY PERPENDICULAR FIRST, SECOND AND THIRD AXES, AN OPENING ADAPTED FOR CONNECTION TO A SOURCE OF FLUID UNDER PRESSURE AND A CIRCULAR OPENING HAVING AN AXIS COINCIDENT WITH SAID AXIS, A FIRST MEMBER LOCATED EXTERNALLY OF SAID HOUSING AND BEING ADAPTED TO RECEIVE AND HOLD A PLURALITY OF TRANSDUCERS, SAID MEMBER HAVING A PROJECTION SLIDABLY INSERTED INTO SAID CIRCULAR OPENING, HAVING SUBSTANTIALLY THE SAME SIZE AS SAID CIRCULAR OPENING, BEING SHAPED TO PERMIT OMNIDIRECTIONAL MOTION OF SAID MEMBER WITH RESPECT TO SAID FRAME; A PAIR OF BIFURCATED MEMBERS POSITIONED INSIDE SAID FRAME AND ADAPTED FOR CONNECTION AT ONE EXTREMITY AND HAVING LATERAL TUBULAR EXTENSIONS FORMED AT THE OPPOSITE EXTREMITIES THEREOF; CONNECTING MEANS INTERCONNECTING SAID LAST NAMED MEMBERS SUBSTANTIALLY AT SAID ONE EXTREMITY SO AS TO PERMIT RELATIVE ROTATION THEREBETWEEN; MEANS ROTATABLY CONNECTING ONE OF SAID OTHER EXTREMITIES TO SAID FRAME ALONG AN AXIS PARALLEL TO SAID SECOND AXIS AND FURTHER MEANS ROTATABLY CONNECTING THE OTHER OF SAID EXTREMITIES TO THE PROJECTION ON SAID FIRST MEMBER ALONG AN AXIS PARALLEL TO SAID SECOND AXIS WHEREBY SAID MEMBERS COOPERATE TO TEND TO MAINTAIN SAID FIRST MEMBER IN A RETRACTED POSITION ADJACENT SAID FRAME AND TO HOLLOW LINEAR MOTION OF SAID FIRST MEMBER ALONG SAID FIRST AXIS AND ROTATIONAL MOVEMENT OF SAID FIRST MEMBER ABOUT SAID SECOND AND THIRD AXES.