Thermal wire stripper

Claim 1

A HAND-HELD THERMAL WIRE STRIPPER COMPRISING IN COMBINATION, (A) AN UPPER AND A LOWER ELECTRICALLY CONDUCTIVE JAW MEMBER EACH HAVING AN ANCHORED END AND A WORKING END, (B) AN ELONGATED HOUSING OF CHANNEL CROSS SECTIONAL SHAPE HAVING A FRONT PORTION, A MIDDLE PORTION AND A REAR PORTION, SAID FRONT PORTION BEING TRUNCATED AND HAND GRIP WALL MEMBERS EXTENDING ADJACENT TO AND PARTIALLY ENCLOSING SAID JAW MEMBERS, (C) A RESISTANCE PLATE MEMBER HAVING A WORKING ZONE FOR SEVERING INSULATION AND HAVING CONCENTRATED ELECTRICAL RESISTANCE IN THE WORKING ZONE, ATTACHED TO THE WORKING END OF EACH JAW MEMBER, (D) FIRST INSULATION BLOCK MEANS HAVING A LENGTH SUBSTANTIALLY EQUAL TO THE LENGTH OF THE HOUSING TRUNCATED FRONT PORTION, MEANS FIXEDLY ATTACHING THE ANCHORED END OF THE LOWER JAW MEMBER TO SAID INSULATION BLOCK MEANS, MEANS FIXEDLY SUPPORTING SAID INSULATION BLOCK MEANS IN THE HOUSING TRUNCATED FRONT PORTION, (E) AN ELONGATED MANIPULATOR BAR OF DIELECTRIC MATERIAL, MEANS PIVOTABLY SUPPORTING ONE END OF THE MANIPULATOR BAR IN SAID HOUSING OPEN SIDE PROXIMATE THE REAR END THEREOF, SAID MANIPULATOR BAR HAVING A HAND MANIPULATING PORTION EQUAL SUBSTANTIALLY TO THE LENGTH OF THE HOUSING MIDDLE PORTION AND HAVING A LOWER ELONGATED PORTION THEREOF CONFINED WITHIN THE ADJACENT WALLS OF THE HOUSING TO PREVENT LATERAL MOVEMENT THEREOF AND AN UPPER ELONGATED PORTION EXTENDING OUTWARDLY OF SAID HOUSING ALONG THE LENGTH THEREOF AND A FRONT PORTION ADJACENT THE CASE FRONT RUNCATED PORTION EXTENDING INWARDLY; MEANS FIXEDLY ATTACHING THE ANCHORED END OF THE UPPER JAW MEMBER TO SAID MANIPULATOR BAR INWARDLY EXTENDING PORTION WHEREBY SAID UPPER JAW MEMBER IS MOVABLY SUPPORTED FOR MOTION IN A FIXED PLANE TOWARD AND AWAY FROM THE FIXED LOWER JAW, (F) AN ELONGATED ELECTRICAL TRANSFORMER SUPPORTED IN THE HOUSING IN THE UNIFORM CROSS SECTION PORTION, SAID TRANSFORMER HAVING A MAGNETIC CORE, A PRIMARY WINDING ADAPTED TO BE CONNECTED TO A POWER SOURCE, AND TWO SECONDARY WINDINGS, MEANS ELECTRICALLY CONNECTING ONE OF SAID SECONDARY WINDINGS IN SERIES WITH THE LOWER JAW RESISTANCE PLATE MEMBER, AND MEANS FOR FLEXIBLY ELECTRICALLY CONNECTING THE OTHER OF SAID SECONDARY WINDINGS TO THE MOVABLE JAW RESISTANCE PLATE MEMBER, (G) RESILIENT BIASSING MEANS SUPPORTED ON SAID TRANSFORMER MAGNETIC CORE TO SUPPORT SAID TRANSFORMER AGAINST MOVEMENT IN SAID HOUSING AND TO URGE SAID MANIPULATOR BAR OUTWARDLY ALONG THE HOUSING.