Abstract: A device for fixing blades to plates which are rotationally integral with a rotary shaft and an agricultural machine fitted with the device. The device is characterized in that the flanks of each plate are cut and embodied such that they can receive in an interlocking matter and radially retain a planer additional part acting as a supporting leg for a blade and in that the end plates are axially and jointedly packed against each other in order to lock the blades to the respective end plates. The invention can be used in agricultural machines.

Abstract: A plant clearing-grinding device has a front deflector inclined upward and bending plants during movements of the device, the front edge of deflector having two separate curved parts with radii centered respectively on two vertical axes of rotation of two rotors with blades so that the plants contacting each curved part penetrate into a zone of action of the blades.

Abstract: The invention relates to a device for fixing blades to plates which are rotationally integral with a rotary shaft and an agricultural machine fitted with said device. The device is characterized in that the flanks of each plate (4) are cut and embodied such that they can receive in an interlocking manner and radially retain a planar additional part acting as a supporting leg (L2) for a blade (L) and in that the end plates (4) are axially and jointedly packed against each other in order to lock the blades (L) to the respective end plates (4). The invention can be used in agricultural machines.

Abstract: A rotary mixer is disclosed with automatic distribution of the drive torque at each end, wherein the power transmission at each end of the rotor is provided by at least one chain driving a pinion coaxial with the rotor, a torque limiter being interposed between the latter and said pinion and each of the two torque limiters being set to the same torque limit value such that the sum of the two values is slightly greater than the nominal drive torque of the rotor.