Coupling device for connecting tractor machine to trailer vehicle has rotary pipe piece beneath coupling bolt with cylindrical half-shell with electrical, pneumatic, mechanical connection arrangement

摘要

The device has a coupling body (10) on the tractor machine with a muzzle opening and a pneumatically operated coupling bolt and a tow bar (20) on the trailer with a traction eye for the coupling bolt to pass through. A pipe piece able to rotate coaxially to the coupling bolt axis and arranged beneath the coupling bolt ha a cylindrical half-shell on its lower end at an angle of 90 degrees to the bolt axis and with an electrical, pneumatic and mechanical connection arrangement (15-19).