Abstract: A haymaking machine having rotors provided with secured tools, which machine includes at least one rotor having at least one radially extensible rotary support arm, with an inner end connected to the rotor hub and an opposite outer end carrying at least one working tool possessing spikes connected by an intermediate portion presenting coils on the one hand and at least one angled section for fixation to the support arm on the other hand, the arm extends internally through at least some of the coils and a piece for retaining the coils and not coupled with the support arm is attached to this latter. The retaining piece integrates at least one part of the one or more means for fixation of the working tool on the support arm.

Abstract: An agricultural machine comprising a connecting structure designed to be laterally mounted to a tractor, the connecting structure including a coupling support, a carrier beam and a transmission unit; the transmission unit including a driving pulley, a driven pulley, a transmission element drive-mounted on the driving and driven pulleys; a work unit articulated to the carrier beam via at least one folding axis, the work unit being fitted with at least one work tool configured to be driven in rotation from the transmission unit. In this machine, the folding axis and the rotation axis of the driven pulley are separate from each other.

Abstract: 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.

Abstract: An agricultural product burying unit for an agricultural machine, configured so as to be mounted in a fixed manner relative to the agricultural machine, the burying unit including a reference device, a burying device, the reference device being configured to rest on the ground in the work configuration and form a depth positioning reference for the burying device, the burying device being configured to bury an agricultural product in work configuration, the reference device being configured to be mounted in an articulated manner directly on a reference which is fixed relative to the agricultural machine, wherein the reference device is configured to weigh on the burying device in work configuration, the reference device forming a first device of applying a bearing force on the burying device.

Abstract: An agricultural machine that has two sections hinged relative to each other is disclosed. An oblong hole is made in one of the two sections. The machine includes a connecting device that has an actuator configured to cause one section to pivot relative to the other, and a travel stop. The actuator supports a movable pivot rod with a longitudinal axis transverse to the oblong hole. The movable pivot rod is positioned to slide in the length of the oblong hole. The travel stop has a blocking state in which it obstructs the oblong hole, thereby limiting the sliding of the pivot rod in the oblong hole. The travel stop is able to achieve the blocking state from a free state in which it is mounted in a movable rotating manner relative to the oblong hole.

Abstract: A declutching device for a seed drill distribution element including a locking element and a support element on which the locking element is mounted, in which the locking element allows two stable positions relative to the support element and can be moved between these, the locking element being configured, when in a stable position, to be able to declutch the distribution element.

Abstract: A machine for the harvesting of plants comprises an arm movable between work and transport configuration, a tool comprising lateral ends and being able to occupy a work position and another position, a connecting device via which the tool is connected to the arm and enabling a first movement of the tool relative to the arm, during which the lateral ends move vertically relative to the arm in the same vertical direction relative thereto, the connecting device can operate a second transverse and horizontal movement of the tool relative to the arm and making it possible to operate this second movement independently of the first movement. The connecting device comprises an arm articulated on the support arm about a first transverse and horizontal axis when the support arm is in the work configuration, and this arm can, by pivoting about the first axis, moved vertically relative to the support arm.

Abstract: An agricultural machine including at least one working tool which can be driven by a drive mechanism which can have a variable drive speed, at least one movable shield which can be moved at least between operational and non-operational positions, and a device for moving the at least one shield, including at least one adjusting actuator and a device for locking the shield. The movement device includes a circuit for controlling the actuator which includes the locking device, which circuit automatically converts a variable input quantity into a control quantity which can adopt a first control value used to prevent the adjusting actuator from being moved out of a first configuration, the input quantity being a value which is a function of or dependent on the drive speed of the drive mechanism or on the working speed of the at least one tool.

Abstract: An agricultural machine is with skids equipped with interchangeable liners. The agricultural machine is a disk mower, a swather or similar machine, resting at least partly in braced manner on the soil during its use and provided with a working element and with skids designed to slide on the soil. These skids are formed in a lower wall of the working element or are integral with this lower wall, and each skid is provided with a liner having at least one frontal end and a frontal rim on each side of this frontal end. At least one of the frontal rims of the liner of each skid has a relief, at least one part of which penetrates into an indentation formed in the corresponding skid.

Abstract: The invention relates to an agricultural machine that has two sections hinged relative to each other, at least one oblong hole being made in one of the two sections, the machine including a connecting device that has an actuator configured to cause one section to pivot relative to the other, and a travel stop, the actuator supporting a movable pivot rod, with a longitudinal axis transverse to the oblong hole, the movable pivot rod being positioned to slide in the length of the oblong hole, the travel stop having a blocking state in which it obstructs the oblong hole, thereby limiting the sliding of the pivot rod in the oblong hole, the travel stop being able to achieve the blocking state from a free state in which it is mounted in a movable rotating manner relative to the oblong hole.

Abstract: An agricultural machine including a chassis carrying an arm including first and second ends, a first unit connected to the arm and extending laterally between the first and second ends, a second unit connected to the arm and extending laterally beyond the second end, a device connecting the second unit to the arm in vicinity of its second end and allowing it to swivel relative to the arm around a second longitudinal axis close to the second end, a mechanism driving elements of the first and second units and carried by the arm in vicinity of the second end. The device includes an axis oriented upwards during work around which the mechanism is mounted with swiveling action on the arm, and the mechanism and at least one of the first and second units can, in a lateral position of the arm relative to the chassis, jointly swivel around the axis.

Abstract: An agricultural machine comprising a connecting structure designed to be laterally mounted to a tractor, the connecting structure including a coupling support, a carrier beam and a transmission unit; the transmission unit including a driving pulley, a driven pulley, a transmission element drive-mounted on the driving and driven pulleys; a work unit articulated to the carrier beam via at least one folding axis, the work unit being fitted with at least one work tool configured to be driven in rotation from the transmission unit. In this machine, the folding axis and the rotation axis of the driven pulley are separate from each other.

Abstract: An agricultural machine including a connecting structure designed to be hitched to a tractor, the connecting structure including a coupling support, a carrier beam and a transmission unit; the transmission unit including a driving pulley, a driven pulley, a transmission element drive-mounted on the driving and driven pulleys, the transmission unit including a transmission element tensioning system; a work unit articulated to the carrier beam via at least one folding axis, the work unit being fitted with at least one work tool, which is driven in rotation. In this machine, the tensioning system applies an unfolding force to the work unit during at least one part of the deployment from a transport position.

Abstract: 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.

Abstract: An agricultural machine includes a cutting mechanism and first and second conditioning elements driven by a transmission comprising a primary box including a first output connected to the cutting mechanism, a second output connected to the first conditioning element and a third output, connected with one another by primary transmission means, the transmission including a secondary box including an input connected to the third output and an output connected to the second conditioning element, connected with one another by secondary transmission means, the transmission comprising a lubrication device for the primary box with a pump and a primary distribution system for a lubricant towards the primary transmission means. The lubrication device comprises a secondary distribution system distributing the lubricant from the pump towards the secondary transmission means, and a return system for the lubricant from the secondary box towards the pump.

Abstract: 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.

Abstract: An agricultural machine having a trailed chassis and a transverse bar in several portions extending substantially transversely to the direction of advance in the work position and extending substantially parallel to the direction of advance in the transport position, the transverse bar includes two portions able to be folded around a first respective articulation with a substantially vertical axis, each portion supports a seeder device made up of a hopper and a seeder bar. Each seeder bar is fixed on the corresponding portion using a second articulation with a substantially horizontal axis oriented parallel to the direction of advance in the work position.

Abstract: A declutching device for a seed drill distribution element including a locking element and a support element on which the locking element is mounted, in which the locking element allows two stable positions relative to the support element and can be moved between these, the locking element being configured, when in a stable position, to be able to declutch the distribution element.

Abstract: A haymaking machine includes a chassis supported directly or indirectly on the ground by wheels and a working device connected to the chassis. The chassis includes a coupling device to which two hitching pieces are articulated each bearing a hitching pin for the hitching to the respective lower arms of a tractor. Each hitching piece cooperates with a respective return device. Each return device storing energy when the corresponding hitching pin moves, relative to the coupling device, upward from a first position. Each return device is able to release that energy to the corresponding hitching pin by returning the hitching pin toward the first position. Each return device stores energy when the corresponding hitching pin moves, relative to the coupling device, downward from a second position, and each return device can release that energy to the corresponding hitching pin by returning the hitching pin toward the second position.

Abstract: 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.