Patent ID: 8561713
Filing Date: 2013-10-22
Classification: A01B

Abstract:
1. Movable soil aeration device comprising: a machine frame, a main input shaft for connection to a drive, an output shaft, which is a crankshaft, coupled to the main input shaft via a reduction gearing, which output shaft is adapted to move at least one piercing tool up and down, said piercing tool being adapted to be pushed into the soil and to be pulled therefrom, wherein different transmission ratios can be set at the reduction gearing, wherein the reduction gearing is arranged on an outer side of at least one outer wall of the machine frame, wherein the reduction gearing further comprises an input shaft extending in parallel to the output shaft, said input shaft coupled to the main input shaft, wherein a transfer gearbox is arranged between the main input shaft and the at least one input shaft, wherein the transfer gearbox is arranged behind the output shaft, seen in the traveling direction.