| 摘要 |
A soil working tool on a forestry machine is lowered into the soil and rotated in a first direction about a vertical axis so that the layers of soil are transported in an upwards direction and towards the rotation axis. - An INDEPENDENT CLAIM is also included for the forestry machine, which is provided with a disc-shaped rotary soil working tool slanting at an angle relative to the tool rotation axis. The outer periphery of the disc is provided with profiles. |
