in the construction of agricultural development in order to obtain a more tracteursur) the element field

摘要

The plough has an arm (1) whose upper end is connected to the upper of the three point links of a tractor and its lower end is pivot to a floating support (6). The other end of support (6) is pivoted to a lever (8), an adjustable link (12) being pivoted to the upper end of lever (8) and having slotted connection with the pin (3). The lowe end of oever (8) is fixed to two half shafts which carry the plough blades. Lugs (20) at the ends of the half shafts are connected to the lower links of the tractor.