Patent ID: 8056645
Filing Date: 2011-11-15
Classification: A01B

Abstract:
1. A self-propelled soil aeration device comprising: a machine frame, a plurality of upwardly and downwardly movable piercing tools which are arranged next to each other transversely to a direction of travel and which define a width of a working path on the soil, at least two rear wheels which run laterally alongside the working path, and at least one front wheel which is arranged in front of the piercing tools as seen in the direction of travel, wherein, a supporting device extending transversely to the direction of travel is arranged in front of the piercing tools, as seen in the direction of travel, and is vertically adjustable with respect to the soil such that in a working position, the rear wheels are raised and the machine frame is supported on the supporting device and the at least one front wheel so that neither the front or rear wheels, nor the supporting device travel over the soil already worked by the piercing tools, and that in a transport position, the supporting device is raised and the machine frame is supported by the rear wheels and the at least one front wheel, wherein in a working position the supporting device and at least one front wheel are in direct contact with the soil.