Other objects and for the setting without bearing of the working height of the farm machines of plantation and / or harvest

摘要

The invention relates to agricultural machines. / p & & p & the adjustment of the working height is effected by vertical displacement of the pads and / or wheels. This adjustment is frequently necessary. According to the invention, the threaded elements, rotating, of adjustment 13 move and guide the superstructure 7 of the machine, which is provided with a guide slot 5 that slides on the rod of a bolt 17, 18, 19 that serves, in the same time of locking the position. / p & & p & main application: agricultural machines of plantation or a crop.