| 摘要 |
Body plough with plough share and mould board with variable working width comprising a frame/head (5) provided with an axis (6) and a guiding system (7), a beam (13) which supports at regular intervals body holders (19) and skim coulters (36) and which is connected at (7) by means of an axis/roller (20) movable along the guide, an articulated arm (11) bearing at one end on (6) and receiving at the other end the beam (13) through the axis (12), an arm (27) replaceable by a jack articulated on the head and which provides, via rods and pivots, for the displacement of the different members. |
