SPRIDARBOM FOR HANDELSGODSELSPRIDARE E D

摘要

A fertilizer distributor or the like has a wheel-supported frame on either side of which a spreading boom is fastened. Each spreading boom supports spreading nozzles and associated supply tubes and comprises three sections which are retractable and extendable with respect to one another. By making the three sections as parts in a link arm system, extension and retraction of the boom can be brought about automatically by a single hydraulic cylinder 25.