Tow bar assembly for a tracked/wheeled tractor has a swing frame on a vertical axis with draw arms on a horizontal axis with a draw bar at the frame to give the angular shifts while the tractor/trailer maneuver together

摘要

The tow bar assembly (12) for a tracked or wheeled vehicle (10) has a frame (18) with a vertical swing axis. The frame carries a pair of draw arms (20), each swinging around a horizontal axis. A draw bar (22), carried by the frame, swings around the frame axis. The frame swings on its axis by an angle of !15 deg or !25 deg .