| 摘要 |
<p>The power harrow (1) has a gear tray with multiple spur gears, where the gear tray is designed as box bar (2). The spur gears are rotationally connected with mounted rotary shafts in the bottom of the gear tray. An opening, which has a larger diameter than the outer diameter of the spur gear, is arranged in a cover (17).</p> |
