Conduit and ground wire connected by a metal strap

Claim 1

IN COMBINATION, A CONDUIT, A METAL GROUND WIRE AND A CONNECTING PIECE SURROUNDING SAID CONDUIT AND SAID GROUND WIRE, SAID CONNECTING PIECE CONSISTING OF AN ELONGATED METAL STRAP INITIALLY IN THE FORM OF A J HAVING A BASE AND A STEM, THE BASE BEING ARCUATE ON A RADIUS EQUAL TO THAT OF SAID CONDUIT HELD THEREIN, A TRANSVERSE GROOVE ACROSS SAID BASE IN A CENTRAL PORTION THEREOF PROVIDING INNER AND OUTER CURVED BASE AREAS, THE BASE END BEING BENT OUTWARDLY INTO AN L-SHAPED FLANGE, THE DEPTH OF SAID GROOVE BEING SLIGHTLY LESS THAN THE THICKNESS OF SAID WIRE, THE FREE END OF SAID STEM BEING BENT INWARDLY TO FORM A HOOK-SHAPED FLANGE, SAID METAL GROUND WIRE BEING HELD IN SAID GROOVE IN DIRECT CONTACT WITH SAID CONDUIT, MEANS FOR PENETRATING INSULATION ON SAID CONDUIT TO PROVIDE ELECTRICAL CONNECTION WITH SAID GROUND WIRE, SAID STEM BEING BENT AROUND SAID CONDUIT WITH SAID HOOK EMBRACING SAID L-FLANGE, SAID HOOK BEING CRIMPED AND PRESSING SAID GROUND WIRE INTO CONTACT WITH THE OUTER SURFACE OF SAID CONDUIT, THE STEM OF SAID STRAP BEING FORCEFULLY BENT AROUND SAID CONDUIT TO EXERT A COMPRESSIVE FORCE BETWEEN SAID WIRE AND CONDUIT.