US Patent 7975631 Combined agricultural machine

The invention relates to a combine agricultural machine (1) comprising a planting device (3), in particular a potato planting device, provided with at least one storage container (10), an extraction device associated thereto, a setting plow (7) and an downstream mounted end damming device (4). A loosening tool (2) for preparing a seedbed is arranged upstream of the planting device (3) in a travelling direction and one or several wheels (18) for disintegrating soil and supporting the machine are mounted upstream of said loosening tool (2) in said travelling direction. The invention also relates to a method for mechanically planting seeds comprising a stage for preparing the seedbed, a sowing stage and a final damming stage which are simultaneously carried out by means of tools mounted on the agricultural machine (1). At the beginning, the wheels (18) of the machine pass along the soil to be processed for homogeneously disintegrating and breaking it, afterwards the seedbed is prepared by the loosening tool (2) wherein the seeds or seedstock are distributed and the end damming is carried out.