US Patent 6916988 Electrical connector with frustro conical snap fit retaining ring

An electric connector assembly that includes a connector body having an inlet end portion and an outlet end portion that is provided with a frustro-conical snap fit retaining ring having a face portion about which laterally extending arms are bent to define a frustro-conical ring circumscribing the face portion. The retainer ring is integrally formed of a spring steel type material an equivalent thereof. Certain of the arms have locking tangs formed or blanked out of the surface thereof, that are cantileverly bent or offset relative to the surface of its corresponding arm. The free end of the arms are arranged to function as an electrical grounding tang in the operative position of the connector assembly.