Electrical connector

Claim 1

AN ELECTRICAL CONNECTOR FOR DIRECT AXIAL INSERTION INTO AND WITHDRAWAL FROM AN INTERNALLY THREADED SOCKET HAVING A THREAD FORM COMPOSED OF TWO CIRCULAR SEGMENTS TANGENT TO EACH OTHER, SAID CONNECTOR COMRPISING, IN COMBINATION: A BODY SHAPED TO BE INTRODUCED AXIALLY INTO SAID SOCKET; AND A RESILIENT, ELECTRICALLY CONDUCTIVE RETAINING MEMBER HAVING A BASE AND AT LEAST A PAIR OF LEGS EXTENDING FREELY AND WITHOUT SUPPORT RADIALLY FROM POINTS ON OPPOSITE SIDES OF SAID BASE; SAID BASE BEING MOUNTED ON AID BODY WITH EACH OF SAID LEGS EXTENDING FROM ONE OF SAID POINTS ON SAID BASE RADIALLY BEYOND THE PERIPHERY OF SAID BADE IN A DIRECTION OPPOSITE TO THE DIRECTION OF INSERTION INTO SAID SOCKET; EACH OF SAID LEGS INCLUDING A FIRST SECTION HAVING AN END SHAPED TO PRESENT A SURFACE FOR ENGAGING A THREAD OF SAID SOCKET AT A POINT ON THE INWARDLY INCLINED FACE OF SAID THREAD AT WHICH THE PROFILE OF SAID THREAD FACE CHANGES FROM CONCAVE TO CONVEX; EACH OF SAID LEGS BEING PIVOTABLE WITH RESPECT TO SAID BASE ABOUT SAID POINT ON SAID BASE AND BEING SO FORMED THAT WHEN SAID CONNECTOR IS ENGAGED WITHIN SAID SOCKET, A PREDETERMINED ANGLE SUBSTENDED BY A FIRST LINE EXTENDING FROM SAID POINT ON SAID THREAD FACE RADIALLY OUTWARD AND TANGENT TO AID THREAD FACE AT SAID POINT THEREON AND A SECOND LINE FROM SAID POINT ON SAID THREAD FACE TO SAID POINT ON SAID BASE, IS LESS THAN 90*, THE FORCE REQUIRED TO WITHDRAW SAID CONECTOR BEING PROPORTIONAL TO SAID ANGLE.