Hitch for agricultural machine - has centrally pivoted lower bar and pivoted freely telescopic upper links with common connection point

摘要

At the middle of the lower horizontal member of the frame is a yoke (2) which carries a coupling bar (4), pivoted at (3). The free ends of bar (4) are intended for connection to the lift arms of a tractor three point linkage. Brackets (7) at the upper corners of frame (1) have rods (8) pivotally connected to them. Each rod carries a piston (12) and is mounted to slide in a tubular element (9) which has an end stop (13). The elements (9) are solid with a common element (10) intended for connection to the third point of the tractor linkage.