Patent ID: 7309251

Claim:
A connecting terminal of an electric connector having a plug connector and a receptacle connector comprising: an electrically conductive terminal consisting of a flat plate for connection of a substrate and another substrate or a cable and a substrate in at least one connector of the both connectors; a bent convex section being subjected at a part of the connecting section of the electrically conductive terminal to a bending deformation into a convex shape from the backside toward the surface side; a groove being provided in the center of the convex surface of the bent convex section to have a pair of opposed side walls between which the distance is gradually and continuously enlarged from the bottom to the opening; and edge sections being formed on both sides of the groove to scratch the surface of the counterpart connecting section for removing foreign substances; wherein the distance between the opposed side wall pair of the groove constitutes the maximum width in about the middle portion of the longitudinal direction of the groove, and the distance is gradually reduced toward the both end portions according to the variation of the angle of the opposed side wall pair.