| 摘要 |
<p>The pushing device (4) for moving tree trunks, with a gripper (10) for gripping the tree trunks, has a gripper fastening (12) which is releasable from the driver's cab (70) in the tractor (2). The gripper fastening is releasable by a movement of the gripping arm (8). The gripper fastening is provided for an adjustment relative to a part of the gripping arm by a travelling movement of the tractor. With the gripper fastening released, the gripper remains fastened on the gripper arm in at least one lifting direction of the gripper arm.</p> |
