Earthing device for receiver or transmitter antenna of electromagnetic waves, especially for car radio and antenna equipped with such an earthing device

摘要

The earthing device L comprises a conductive metal piece P including a central opening 19 in which there project radially inwards teeth 20, 21 raised so as to be located, at rest, outside the plane of the piece P. This device furthermore comprises a metal sleeve 22 able to pass through the hole 7 made in the bodywork, and be engaged between the teeth 20, 21 of the piece, the assembly being such that during the clamping of the earth lug 9 and this piece P against the bodywork surface, the teeth 20, 21 are folded down towards the middle plane of the piece and are anchored in the metal sleeve 22 in order to establish the earth contact. IMAGE