| 摘要 |
The invention relates to a self-propelled lawn mower comprising a microprocessor and at least one cutter (10), wherein an elastic tension element (13) that is connected to the frame of the lawn mower and the at least one cutter (10) is provided. The lawn mower has a means for central automatic adjustment of the height of the cutters (10) in relation to the ground. The cutters (10) consist of a rotary disk (3) with retractable blades (5) provided with a stop (4) underneath the lower surface in the form of a central extension that can come into contact with the ground. |
