Electrical plug connector with antibunching feature

Claim 1

An electrical plug connector comprising: a connector body having a plug portion adjacent one axial end that extends rearwardly to an integral medial annular flange that extends radially outwardly of the plug portion; the annular flange having an outer portion that serves as a pilot and stop for a shroud of a mating electrical socket connector, a forward stop shoulder of reduced height that forms an oval shaped ledge, and vertically spaced retainer lips that are integrally attached to the oval shaped ledge along its major sides and that extend forwardly of the oval shaped ledge for a short distance in an axial direction; and an elastomeric interface seal for forming a seal between the plug portion and an internal surface of the shroud of a mating electrical socket connector when the electrical plug connector is plugged into the electrical socket connector; the elastomeric interface seal having an annular body that has a plurality of axially spaced flexible sealing lips that extend radially outwardly of the annular body at locations free from said retainer lips so as to biasingly engage the inner surface of the shroud when the electrical plug connector is plugged in; the annular body of the elastomeric seal being mounted on the plug portion with one of its axial ends against the stop shoulder of the flange and beneath the vertically spaced retainer lips so that the elastomeric seal cannot ride up over the flange and bunch when the electrical plug connector is plugged into the mating electrical socket connector.