Plow i.e. semi-mounted rotary plow for use with tractor, has coupling device provided between working width and front furrow cutting width adjustment units for automatically adjusting front furrow cutting width adjustment unit

摘要

The plow (1) has a set of plowshares (3) fastened adjacent to each other on an elongated frame beam i.e. crossbar. A working width adjustment unit adjusts working width of the plowshares. A front furrow cutting width adjustment unit adjusts front furrow cutting width of the plowshares. A coupling device is provided between the working width and front furrow cutting width adjustment units for automatically adjusting the front furrow cutting width adjustment unit during operation of the working width adjustment unit. The adjustment units are provided with pressure units actuators.