Wheel body with a contact track

摘要

The body (1) has an electrically conductive contact path (3) comprising a contact area (2), which is to be electrically contacted by a contact element, where the contact path is embedded in the body in an isolated manner and lies in the contact area. The contact path is attached to an edge (4) of the body, and extends to the contact area over a section of the body. The contact path is designed as a ring-shaped path at an axis (5) of the body. An electrically non-conductive sliding surface is provided outside of the contact area of the contact path.