| 摘要 |
<p>A disc coulter for an agricultural distribution machine such as a seed drilling apparatus comprises a soil working disc 1 and a coulter formation provided in association with the disc, wherein the coulter formation comprises a mounting portion 3 mountable in fixed position relative to the disc and a tip portion 5 mounted upon a receiving surface of the mounting portion by means of at least three adjustable fastenings 7 which may include compressible spacers 4. An agricultural distribution machine having a distribution array comprising a laterally extending array of such disc coulters in distributed along a supporting beam extending transversely of an intended direction of forward motion of the distribution machine and supported on a chassis frame is also described.</p> |
