Electrical connector insulator block construction

Claim 1

AN ELECTRICAL CONNECTOR MEMBER WHICH COMPRISES: A SHELL HAVING A REAR END AND AN OPEN FRONT END, AND HAVING A TUBULAR INSULATOR-RECEIVING PORTION OF RECTANGULAR CROSS-SECTION BETWEEN SAID ENDS; REARWARDLY FACING SHOULDER MEANS IN SAID TUBULAR PORTION OF THE SHELL; AN INSULATOR BLOCK HAVING A FRONT AND A REAR AND HAVING A TERMINAL-RECEIVING PASSAGE EXTENDING AXIALLY THERETHROUGH FROM THE REAR TO THE FRONT, SAID INSULATOR BLOCK HAVING A RECTANGULAR CROSS-SECTION SLIGHTLY SMALLER THAN THAT OF THE INSIDE OF SAID TUBULAR PORTION OF THE SHELL; AND A PAIR OF LIKE U-SHAPED STRAP MEMBERS OF SPRING MATERIAL, EACH STRAP MEMBER CONFORMING IN SHAPE TO SLIGHTLY LESS THAN HALF OF THE PERIPHERY OF THE INSULATOR BLOCK, SAID STRAP MEMBERS BEING RESILIENTLY ENGAGEABLE ABOUT OPPOSITE HALF PORTIONS OF THE PERIPHERY OF THE BLOCK; INTERENGAGEABLE PROJECTIONS AND RECESSES ON THE BLOCK AND THE STRAP MEMBERS FOR LOCKING SAID STRAP MEMBERS IN THEIR ENGAGED POSITIONS ABOUT THE BLOCK; AND A SPRING FINGER EXTENDING FORWARDLY AND OUTWARDLY FROM ONE OF SAID STRAP MEMBERS, SAID SPRING FINGER BEING ENGAGEABLE WITH SAID SHOULDER MEANS TO LATCH THE INSULATOR BLOCK IN POSITION IN THE SHELL WHEN THE BLOCK WITH THE ATTACHED STRAPS ARE INSERTED INTO THE SHELL THROUGH ITS FRONT END.