1. A mower (1), in particular, for mowing plants, with a chassis (2) containing a frame (5) and a coupling bracket (3), made with the possibility of installation on a three-point coupling of a tractor (4), and with a beam (8) directly connected to the frame (5) by means of the first hinge (9) and located at least during operation from the side relative to the frame (5), while a working implement (10) is installed on the beam (8), and it is made with the possibility rotation relative to the frame (5) between the working position, the maneuvering position and the transport position using the device (26) moving, while the device (26) moving contains a rod (17) and at least a first jack (28) pivotally mounted between the frame (5) and the rod (27), and a second jack (29), pivotally connected to the beam (8) and connected with the rod (27) through the pivot pin (30), while the beam (8) is movable relative to the rod (27) when the second jack (29) is actuated, characterized in that the rod (27) directly connected to the beam (8) by a second hinge (31), the second hinge (31) being made separately from the first hinge (9) .2. A mower according to claim 1, characterized in that the thrust (27) is made separately from the beam (8). 3. A mower according to claim 1, characterized in that the rod (27) is located on the beam (8) at the level of the second hinge (31) .4. A mower according to claim 1, characterized in that the second jack (29) is configured to simultaneously move the beam (8), rod (27) and the first jack (28) relative to the frame (5) .5. A mower according to claim 4, characterized in that the coupling bracket (3) has a central plane (P), and the beam (8) contains an end (32) remote from the first hinge (9), and a working one is located at the indicated end (32) gun (10), while the actuation of the second jack (29) leads to a change in the first distance between the end (32) and the pivot pin (30)1. Косилка (1), в частности, для кошения растений, с шасси (2), содер
