Contact retention device with safety stop

Claim 1

A CONNECTOR UNIT COMPRISING AN INSULATION BODY HAVING A BORE THERETHROUGH WITH A FRONT AND A REAR END; A CONTACT TERMINAL MEMBER MOUNTED IN SAID BORE; A WALL PORTION OF SAID BORE PRESENTING FIXED STOP MEANS FOR LIMITING FORWARD POSITIONING OF THE TERMINAL MEMBER AXIALLY INSERTED INTO THE BORE FROM THE REAR; RESILIENT STOP MEANS IN SAID BORE INCLINED FORWARDLY AND TOWARD THE AXIS OF SAID BORE AND HAVING A LOCKING POSITION ADAPTED TO LIMIT REARWARD POSITIONING OF THE TERMINAL MEMBER IN THE BORE; SAID TERMINAL MEMBER EMBODYING AN ANNULAR ENLARGEMENT PRESENTING A REARWARDLY FACING SHOULDER, SAID ENLARGEMENT BEING ENGAGEABLE WITH SAID STOP MEANS TO RADIALLY CAM THE SAME OUTWARDLY UPON INSERTION OF THE TERMINAL FROM THE REAR END OF THE BORE AND SAID STOP MEANS BEING RELEASED TO MOVE RADIALLY INWARDLY BEHIND SAID REARWARDLY FACING SHOULDER ON THE TERMINAL MEMBER IN THE FINAL FORWARD POSITION OF THE TERMINAL MEMBER; SUPPORT MEANS ADAPTED TO ENGAGE SAID ANNULAR ENLARGEMENT IN SAID FINAL POSITION OF THE TERMINAL MEMBER; RELEASE MEANS CONNECTED TO SAID RESILIENT STOP MEANS AND POSITIONED FORWARD OF SAID RESILIENT STOP MEANS, SAID RELEASE MEANS BEING FLARED OUTWARDLY AND FORWARDLY WITH RESPECT TO THE AXIS OF SAID BORE; AND AN ACCESS PASSAGE OPENING FORWARDLY OF THE INSULATION BODY THAT PROVIDES CLEARANCE IN THE FORWARD PORTION OF THE BORE FOR INSERTION OF A TOOL BETWEEN THE TERMINAL MEMBER AND THE OUTWARDLY FLARED RELEASE MEANS, SAID RELEASE MEANS BEARING FORWARDLY OF THE FLARED PORTION THEREOF AGAINST THE WALL OF SAID BORE AT A POINT ABOUT WHICH SAID RELEASE MEANS PIVOTS UPON THE INSERTION OF THE TOOL INTO THE ACCESS PASSAGE TO FORCE THE RESILIENT STOP MEANS RADIALLY OUTWARDLY WHEREBY SAID REARWARDLY FACING SHOULDER ON THE TERMINAL MEMBER WILL CLEAR SAID RESILIENT STOP MEANS TO PERMIT WITHDRAWAL OF THE TERMINAL MEMBER FROM THE REAR.