Carbon brush and process for fixing and mounting a conducting cord thread therein

摘要

The invention relates to a carbon brush (10) having an indicating braid (26, 28) for indicating a specific amount of wear of the carbon brush. The indicating braid is rammed into a blind hole (30) and is arranged at a distance from the base (32) of the blind hole. In order that unambiguous indication of the amount of carbon brush wear is ensured, the base of the blind hole is covered with a layer (40) consisting of insulating material. IMAGE