Length-adjustable upper link for three-point coupling of agricultural equipment assembly or other mutually adjustable tool and frame assemblies, has positioning device equipped with threaded spindle, where pinions are engaged in ring gears

摘要

The length-adjustable upper link (1) has a positioning device equipped with a threaded spindle. The threaded spindle has an associated nut element, where the threaded spindle and the nut element are equipped with ring gears. Pinions are engaged in the ring gears, and are arranged on a rotatable shaft.