System intended to indicate that the acceptable limit of wear of drum brake linings has been reached, for any type of vehicle

摘要

System intended to indicate that the acceptable limit of wear of drum brake linings has been reached for any type of vehicle, characterised in that it consists on the one hand of a rivet (1) electrically insulated (2) (3) embedded in the standard housing (16) provided for riveting the drum brake linings (7), and in that on the other hand this rivet is connected by a copper washer (4) and an electric wire (5) to a receiving unit provided with display means or to the electrical circuit of the corresponding vehicle as far as the dashboard (instrument panel). <IMAGE>