Combined electrical and fluid rotatable connector

Claim 1

A COMBINED ELECTRICAL AND FLUID CONNECTOR INCLUDING A TUBULAR OUTER MEMBER OF ELECTRICALLY CONDUCTIVE MATERIAL HAVING A BORE THERETHROUGH, A TUBULAR INNER MEMBER OF ELECTRICALLY CONDUCTIVE MATERIAL SLIDABLE IN SEALING RELATION IN SAID BORE, SAID INNER MEMBER INCLUDING A PISTON PORTION SLIDABLY ENGAGING THE WALL OF SAID BORE AND HAVING A GROOVE IN ITS OUTER SURFACE, AN ELECTRICALLY CONDUCTIVE LIQUID MATERIAL CONTAINED WITHIN SAID GROOVE, STOP MEANS LIMITING MOVEMENT OF SAID INNER MEMBER BETWEEN FIRST AND SECOND POSITIONS, MEANS YIELDABLY BIASING SAID INNER MEMBER TOWARD ONE OF SAID POSITIONS, SAID CONDUCTIVE LIQUID IN SAID FIRST POSITION OF SAID INNER MEMBER ESTABLISHING A CONTINUOUS CURRENT PATH THROUGH SAID MEMBERS, INSULATING MEANS SO DISPOSED ON SAID OUTER MEMBER AS TO RENDER SAID CONDUCTIVE LIQUID INOPERATIVE WHEN SAID INNER MEMBER IS IN SECOND POSITION TO THEREBY BREAK SAID CURRENT PATH THROUGH SAID MEMBERS, SAID BIASING MEANS YIELDING AGAINST A CHANGE IN PRESSURE IN SAID CONNECTOR TO CAUSE SAID INNER MEMBER TO AUTOMATICALLY MOVE FROM ONE OF SAID POSITIONS TO THE OTHER.