US Patent 8002589 Electrical connector with structures for preventing electrostatic discharge

An electrical connector includes an insulative housing including a rear base portion and a front tongue portion extending from the base portion along the mating direction, a number of first conductive contacts held in the insulative housing, a number of second conductive contacts held in the insulative housing, and a retainer assembled to the tongue portion of the insulative housing. Each first conductive contact includes a nonelastic first mating portion exposed beyond the tongue portion. The retainer includes opposite first and second faces and defines a number of receiving slots recessed from at least one of the first and second faces to receive the nonelastic first mating portions of the first conductive contacts.