Fecha de publicación: -- Fuente: WIPO "biotechnology" Three-point hitch mechanism contains two lower links with tension chains and one upper link, which is connected by a hitch point to the auto-coupling triangle. Hitch points of the lower links are rigidly connected by a guide on which a carriage is movably mounted via support rollers, rigidly connected to the lower part of the auto-coupling triangle and kinematically, via a hydraulic cylinder, to one of the lower links.