Terminal connector

Claim 1

A coupling for connecting an electrical cable mechanically and electrically to the electrode of a spark plug of an internal combustion engine, said coupling comprising, a first portion adapted to at least partially circumscribe and be firmly clasped to an electrical cable, mechanically fixing the cable in an Electrically conductive relationship to said coupling; and a second portion adapted to circumscribe the end portion of an electrode, removably fixing the electrode end in an electrically conductive and mechanically connected relationship to said coupling, said second portion being formed of a resilient metal curled to form a sleeve having partially overlapping first and second walls, said first wall partially overlapping and being adjacent to said second wall, said first wall being provided with a slot located a predetermined distance from the overlapping wall edge, said slot having two parallel sides aligned normal to the circumference of said second portion, said second wall having a pair of tabs struck upwardly therefrom in generally normal relation to said second wall about bend lines disposed parallel to the circumference of said sleeve, said tabs being located interiorly of and adjacent the overlapped wall edge of said first wall, each of said tabs being adapted to project upwardly through said slot and having two upstanding tab edges which are located interiorly of said two parallel sides so that forces tending to circumferentially expand said sleeve act in a direction generally parallel to the bend lines defined at the intersections of said tabs with said second wall, and said tabs cooperating with said slot to limit the amount of relative movement between the overlapping and overlapped wall edges.