| 摘要 |
A drawbar apparatus (65) for coupling an earth-working tool (55) to a frame (20) of an agricultural implement (10), the drawbar apparatus (65) comprising: a drawbar (70, 145) and a joint (85, 160) comprising a first bracket (90, 165) comprising a protrusion (100, 175), the protrusion (100, 175) defining a first aperture (105, 105', 180, 180'), the first bracket (90, 165) coupled to one of the second portion (80, 155) of the drawbar (70, 145) and the earth-working tool (55), a second bracket (95, 170) defining a channel (115, 190) configured to receive the protrusion (100, 175) and defining a second aperture (120, 120', 195, 195') and third aperture (130, 130', 205, 205') and a fastener (140, 140', 215, 215') positioned through the apertures and coupling the brackets; wherein the protrusion (100, 175) of the joint (85, 160) is configured to move laterally in the channel (115, 190) along the longitudinal axis (142, 142', 217, 217') of the fastener (140, 140', 215, 215'). |
