| 摘要 |
<p>The invention deals with a tractor harrow. The specified harrow includes a central transverse support (1). On each of the ends there's one longitudinal scale (2) rotationally fixed around the vertical axis. The front and rear ends of the scales (2) are each time flexibly connected to the front transverse support (3) or the rear transverse support (4). On the support (1) there's further a tractor transmission (6) attachable to the driving adapter, the transmission's reverse driving shaft adapter is held and by this a handle (8) is rotationally attached. Onto the driving hinge of the latter there is a shaft (9) connected to it which is by its other end connected to one of the scales (2).</p> |
