Patent ID: 7371114

Claim:
A watertight connector, comprising; a housing, at least one cavity penetrating the housing in substantially forward and backward directions; a resilient plug having opposite front and rear ends, a wire inserting hole penetrating the resilient plug along a central axis extending from the rear end to the front end, the wire inserting hole being configured for receiving a wire having a selected radius, the resilient plug including a main portion forward of the rear end, the main portion having an outer circumferential surface, at least one outer lip extending circumferentially around at least part of the outer circumferential surface of the main portion, a rear opening surface surrounding the wire inserting hole at the rear end of the resilient plug, the rear opening surface being aligned substantially normal to the center axis of the resilient plug and defining a selected radial dimension from an outer peripheral edge of the rear opening surface to the wire inserting hole, an entanglement preventing portion projecting back from the main portion, the entanglement preventing portion having a tapered surface extending substantially from the rear opening surface towards the outer peripheral surface of the main portion; at least one wire inserted through the wire inserting hole of the resilient plug, the wire having a radius that exceeds the radial dimension of the rear opening surface; and a terminal fitting fastened together with the wire and the resilient plug the resilient plug being squeezed resiliently between an inner surface of the cavity and an outer circumferential surface of the wire, whereby the tapered surface of the entanglement preventing portion and radial dimensions of the wire and the rear opening surface prevent wires from being entangled with the resilient plug.