The safety valve (1) has a valve portion (5) which is formed on the tank top (2) and is provided with a valve seat (6) and a valve disc (9). The valve portion seals the tank against the valve seat, and the valve disc is mounted on a holding device (10) in ...

The towing vehicle (1) has a vehicle trailer (2), which comprises a body of axle, at which a steerable part of steerable axles (10) is supported. The towing vehicle-side coupling point of a course and thrust unit is formed by a drive device, which is arran...