| 摘要 |
The invention proposes a coupling device of an agricultural ground-working appliance which serves for fastening to a haulage unit, tractor or the like equipped with a hydraulically movable suspension rail 1, especially three-point suspension, the coupling device consisting of a tower 4, which can be connected to the suspension rail 1 and in which the front end of a drawbar 8 is fixed via a ball joint 7, and the drawbar 8 being of variable length and/or being displaceable in the frame 9 of the ground-working appliance, and there being attached to the tower 4 or frame 9 a releasable catch device which engages into the frame 9 or tower 4. <IMAGE>
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