Patent ID: 7926247
Filing Date: 2011-04-19
Classification: A01B,A01D

Abstract:
1. An agricultural machine for crop processing, the agricultural machine comprising: a drawbar connectable to a pulling vehicle; at least one crop processing member, pivotably fastened to the drawbar; and a lift actuator for pivoting the crop processing member upwards relative to the drawbar, the lift actuator comprising a first and a second cylinder housing with respective first and second pistons slideably engaged therein and a piston rod, wherein the cylinder housings receive a substantially equal hydraulic pressure and an internal diameter of the first cylinder housing is larger than an internal diameter of the second cylinder housing; wherein the first cylinder housing is connected to the crop processing member and configured to partially pivot the crop processing member upwards into a headland position, the second cylinder housing is connected to the drawbar and is configured to further pivot the crop processing member upwards from the headland position into a transport position, and the piston rod is a common piston rod of the first and the second piston.