| 摘要 |
1. A plough in particular for breaking up clods and evening out the surface of the soil in order to prepare it for sowing, the plough being harnessed to a tractor and formed of smooth non-cutting disks (3, 3a, 3b, 3c) mounted on parallel shafts, one disposed behind another, spaced in pairs by an interval which is less than the diameter of the disks and mounted so as to rotate freely on a chassis, the disks being fixed at regular intervals on each shaft and having a staggered arrangement from one shaft to the other, the disks of the two shafts interlocking to form a baffle, characterised in that it comprises at least two ploughing units aligned laterally side by side and hinged to one another in a plane transverse to the direction of movement of the plough, in that each unit comprises two pairs of parallel shafts (1, 1a; 1b, 1c) disposed one behind another, the disks (3, 3a; 3b, 3c) being laterally offset from one pair to the other, in that each unit comprises a chassis (5, 11-18) having lateral bearings (4) supporting the ends of the shafts (1, 1a; 1b, 1c), the said ends comprising means (8-10) for mounting supplementary disks (7) external to the chassis and in that it comprises adjusting means (28-34) for transfering regularly an external load to each of the ploughing units.
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