Electrical connector with wire-gripping means and insulation piercing contact jaw

Claim 1

AN ELECTRICAL CONNECTOR COMPRISING: A PAIR OF CONNECTOR PARTS OF STRAP METAL EACH EMBODYING A JAW MEMBER OF SPLIT CYLINDRICAL RING FORM AND A FLAT TAIL EXTENDING AS AN INTEGRAL CONTINUATION OF ONE CYLINDRICAL EXTREMITY THEREOF, SAID TAILS ADAPTED TO BE BOTH SECURED TO A SUPPORT, ONE OF SAID JAW MEMBERS BEING ROTATABLY MOUNTED WITHIN THE OTHER, SAID JAW MEMBERS HAVING RESPECTIVE APERTURES ADAPTED TO BE SUBSTANTIALLY REGISTERED UPON SPREADING SAID TAILS IN A HINGING MOVEMENT, WHEREBY A CONDUCTOR WITH INSULATION SHEATH MAY BE EXTENDED THROUGH SAID APERTURES, ONE OF SAID JAW MEMBERS HAVING AN INSULATIONPENETRATING JAW FORMED INTEGRALLY IN THE MARGIN OF ITS RESPECTIVE APERTURE AT ONE CIRCUMFERENTIAL EXTREMITY THEREOF AND PROJECTING CIRCUMFERENTIALLY INTO SAID RESPECTIVE APERTURE, THE OTHER JAW MEMBER HAVING, AT THE OPPOSITE EXTREMITY OF ITS RESPECTIVE APERTURE, AN ANVIL SURFACE IN OPPOSED RELATION TO SAID INSULATION-PENETRATING JAW AND ADAPTED, UPON CLOSING OF SAID TAILS INTO ABUTTING CONTACT WITH ONE ANOTHER, TO FORCE SAID CONDUCTOR AGAINST SAID JAW SO AS TO CAUSE THE JAW TO LANCE THROUGH SAID SHEATH AND ESTABLISH CONDUCTIVE CONTACT WITH SAID CONDUCTOR, THE INNER JAW MEMBER HAVING A CIRCUMFERENTIALLY EXTENDING SLOT; SAID OUTER JAW MEMBER INCLUDING AN INTEGRAL TONGUE STRUCK INWARDLY FROM ITS MEDIAN AREA AND SLIDABLY ENGAGED IN SAID SLOT TO RETAIN SAID JAW MEMBERS IN COUPLED ASSEMBLY.