| 主权项 |
1. A drawbar apparatus for coupling an earth-working tool to a frame of an agricultural implement, the drawbar apparatus comprising:
at least one drawbar comprising a first end portion coupled to the frame and a second end portion; and at least one joint comprising a first bracket comprising a protrusion, the protrusion defining at least a first aperture, the first bracket coupled to one of the second end portion of the drawbar and the earth-working tool, a second bracket defining a channel configured to receive the protrusion and defining at least a second aperture on a first side of the channel and at least a third aperture on a second side of the channel, the second bracket being coupled to the other of the second end portion of the drawbar and the earth-working tool, and a fastener comprising a longitudinal axis, the fastener being positioned through the first aperture, the second aperture, and the third aperture, the fastener coupling the first bracket to the second bracket; and wherein the protrusion of the joint has a lateral dimension less than a lateral distance between the first and second sides of the channel and is configured to move laterally in the channel along the longitudinal axis of the fastener. |
