Kuhn S.a.

Bernard Wattron

Martin Walch

Rino Ermacora

Joel Wilhelm

Roland Helfer

Damion Babler

Edmond M Oberle

Julien Rouwens

Michel Wolff

Jeannot Hironimus

Alain Guesdon

Rene Walter

Pierre Fischbach

Joël Wilhelm

René Walter

A mower with a cutter bar including an elongated hollow casing, at least one bearing block mounted at the level of an orifice of the upper wall of the casing, at least one disk integral with a support shaft mounted in the bearing block, at least one cutter fixed with the ability to rotate freely on the disk, wherein each bearing block is made integral with the casing by at least one fastener assembly composed of at least two fastening elements assembled mutually by screwing. The mower wherein, for each fastener assembly, at least part of the zone or zones of engagement of the respectively female-threaded and male-threaded parts of the fastening elements is situated between the respective mutually opposite bracing surfaces of the fastening elements. Thus the fastening elements are less protruding and their connection zones are not subjected to the aggressions of the outside environment.

Mower with cutter bar containing rotary disks with cutters

A torque-limiting device for secure transmission of a rotation between an inlet baseplate and an outlet baseplate, including at least one drive bolt that forms a breaking element by shearing in case of a torque exceeding a predetermined threshold, and an intermediate baseplate that is driven by the inlet baseplate and which in turn drives the outlet baseplate. The at least one bolt ensures driving of the intermediate baseplate and the inlet baseplate or the outlet baseplate. The intermediate baseplate includes at least one locking element by shape cooperation with a locking part of the bolt, and the torque-limiting device has a larger number of locking elements than of bolts. An agricultural machine can include such a torque-limiting device.

Device for limiting torque and farm machine using same

A torque-limiting device for secure transmission of a rotation between an inlet baseplate and an outlet baseplate, including at least one drive bolt that forms a breaking element by shearing in case of a torque exceeding a predetermined threshold, and an intermediate baseplate that is driven by the inlet baseplate and driving the outlet baseplate. The bolt ensures driving of the intermediate baseplate and the inlet baseplate or the outlet baseplate. The intermediate baseplate includes a locking element by shape cooperation with a locking part of the bolt. The intermediate baseplate is formed by two plates pressed against one another, one of which is used for housing of the locking part of the bolt and the other of which is used for axial support of the locking part and housing of the screw rod. An agricultural machine can include such a device.

Torque-limiting device and farm machine using same

A harvesting machine includes a frame carrying at least one harvesting mechanism and a lightening device of the harvesting mechanism. The lightening device includes second hydraulic jacks articulated on the frame and on the harvesting mechanism and connected by hydraulic circuits to first hydraulic jacks so as to be able to be actuated by the first hydraulic jacks and to hydropneumatic accumulators.

Harvesting machine with a lightening device

A mower-conditioner including a plant mowing mechanism including a cutting device, a plant conditioning system and a mechanism lifting these elements relative to the ground, this assembly being carried by a frame and including a fairing, the machine also including a plant ejection channel positioned as an extension of the plant conditioning system. The fairing is articulated to the plant ejection channel by a transverse axis that is positioned inside the machine, above and slightly behind the plant conditioning system, and the plant ejection channel is itself articulated to the frame.

Plant mower-conditioner comprising a device for uniformly distributing plants thrown back to the ground

A mower comprising a chassis carrying at least one harvesting mechanism and a lightening device of the at least one harvesting mechanism. The lightening device includes at least one torsion bar which is connected to a transverse beam of the chassis and which carries a lever on one of the ends of which a rod is articulated which is directed towards the harvesting mechanism and which is itself articulated on the harvesting mechanism or its suspension device.

Mower with an lightening device including torsion bars

A mower-conditioner conditioning roller comprising a superficial relief over the entirety of its periphery. This roller, of cylindrical overall shape, is hollow and has no cylindrical core and has a wall of reduced thickness directly comprising reliefs. The body of the roller is formed with at least one structured plate comprising reliefs obtained by bending or rolling.

Mower-conditioner equipped with first and second hollow rollers with reliefs

A machine for harvesting forage including in particular a cutting mechanism and a device for treating the cut products. The treatment device includes at least two ribbed rollers which are driven in rotation by a transmission. The transmission includes at least one flexible element which collaborates with a driving member and driven members which are mounted on shafts which drive the rotation of the rollers. At least one of the driven members is mounted on its shaft by a freewheel configured to transmit rotational movement from the driven member to the shaft in just one direction.

Harvesting machine with freewheel compensation

The mower of the present invention comprises a frame, a cutting mechanism supported by the frame, and a windrow grouping mechanism. In turn, the windrow grouping mechanism comprises a longitudinal conveying device and a transverse conveying device. The mower of the present invention is notable in that the longitudinal conveying device comprises at least one roller, the longitudinal axis of which is substantially perpendicular to a direction of forward travel of the mower. The roller is driven in rotation about the longitudinal axis so that its surface transports a product, cut by the cutting mechanism, toward the rear of the mower.

Mower comprising a windrow grouping mechanism

A cutting device for a cutting machine including a driver driven by a drive shaft, a support structure secured to the driver and at least one drive device intended to drive a cut product toward the rear of the cutting machine. The drive device includes at least two drive walls which extend approximately right around the support structure and which are fixed removably to the support structure by assembly elements.

Cutting device for a cutting machine

A cutting machine comprising a chassis connected to a motor vehicle, a cutting device comprising cutting members, a connecting device connecting the cutting device to the chassis in such a way as to allow the cutting device to be brought into a work position and into a transport position and comprising at least two connecting rods each one connected to the cutting device and to the chassis by means of a respective connection, one of the connections being a connection of the ball-joint type. The cutting machine is characterized in that at least one of the connections connecting a connecting rod to the cutting device or to the chassis comprises an elastic element.

Cutting machine comprising a cutting device connected to a chassis by means of an improved connecting device

A device and an agricultural machine which employ a method for the mounting/disassembly and automatic tension adjustment of at least one endless transmission member. The device for the mounting/disassembly and automatic tension adjustment of the endless transmission member is fitted in such a way that an action generated by a spiral spring acts on a second bearing with a lever arm with respect to a geometric axis of an articulation connecting the second bearing to a bearing structure which increases once the spiral spring relaxes.

Belt tensioner

A treatment device for treating cut fodder includes a treatment rotor, first and second supports, and a driving device for driving the treatment rotor. The first support of the treatment device is located near a first end of the treatment rotor. The first support includes a first bearing in which the first end of the treatment rotor is guided in its rotation. The driving device includes a transmission device. The transmission device includes a first and second wheels, at least one endless transmission member, and a regulating or adjusting mechanism for regulating or adjusting the tension in the at least one endless transmission member. The second wheel of the transmission device is mounted on the first end of the treatment rotor. The at least one endless transmission member is wound around both the first and second wheels of the transmission device. The treatment device for treating cut fodder is characterized in that the regulating or adjusting mechanism for adjusting the tension in the endless transmission member includes the first bearing of the first support of the treatment device and the second wheel of the transmission device such that both the first bearing and the second wheel can be moved away from the first wheel of the transmission device in order to arrive at a desired position of adjustment. The regulating or adjusting mechanism also includes a retaining device for retaining the first bearing and the second wheel in the desired position of adjustment. The retaining device includes a tensioning member.

Device for treating cut fodder and mower employing such a treatment device

Mower including a suspension device connecting a harvesting mechanism to a chassis and allowing the harvesting mechanism a heightwise movement with respect to the chassis. The mower further including a lightening device associated with the harvesting mechanism and including two elastically deformable members extending transversely to a direction of forward travel during work, each elastically deformable member acting, via a first of its ends, on a corresponding end of the harvesting mechanism. The mower including a centralized device for adjusting the lightening force exerted on the harvesting mechanism, where the device is coupled to the second ends of the elastically deformable members. The centralized device for adjusting the lightening force exerted on the harvesting mechanism includes a rotary control member connected to the chassis and coupled to each second end of the elastically deformable members via a configuration which converts the rotation of the rotary control member into an action of stressing or relaxing the elastically deformable members depending on the direction in which the rotary control member is turned.

Mower with a centralized device for adjusting the lightening force exerted on the harvesting mechanism

A mower which includes a cutting mechanism connected to a carrying structure by connections wherein each connection includes a device preventing at least some of the vibrations from being transmitted between the cutting mechanism and the carrying structure. The cutting mechanism includes a gear box at which are arranged cutting members each rotating about a respective axis of rotation which is at least approximately vertical during work and the carrying structure to which the cutting mechanism is connected includes at least one connection which has a flexible element.

Growing community of inventors

Haegen, France

Bernard Wattron