Patent ID: 7193182

Claim:
A heating plug for an electric cigar lighter comprising a plug body designed to be inserted axially in a complementary female socket body equipped with electrical connection terminals; a push button which is mounted so as to be able to move axially with respect to the plug body, between a neutral position and a pressed-in position in which the push button causes closure of an electrical circuit for supplying electric current to a heating element arranged in the heating plug, and of the type in which the heating element comprises a lighting face which is accessible from an outside of the heating plug, when the heating plug is removed from the socket body, with the lighting face of the heating element roughly parallel to an insertion axis of the heating plug; a bimetallic device provided on the heating plug; and a shield comprising an axial sleeve and mounted so as to be able to move on the plug body between a protection position in which the shield is interposed transversely between the lighting face of the heating element and an internal wall of the socket body, and an open position in which the shield leaves clear access to the lighting face of the heating element.