Abstract: A method for producing marking strips using at least two seeders moving simultaneously in a field in which one seeder is a head seeder and at least one other seeder follows the head seeder being laterally offset, each seeder includes a control unit and plural rows that can respectively be activated for sowing or deactivated to produce tracks without seeds which will be used as a circulation lane for a treating apparatus in post-treatment operations. Each control unit includes a software program defining, with regard to fixed working parameters, an automatic operating program for activating or deactivating at least one of the rows of one of the seeders.

Abstract: An agricultural machine for working soil or for sowing seeds, including a trailed chassis and work elements distributed on a longitudinal bar in plural sections, the longitudinal bar including at least two primary beams extending substantially transversely to a direction of advance in a work configuration. A secondary beam is connected to each primary beam by two connection devices, the secondary beams support the work elements, and each secondary beam rests on the soil by two support wheels and is configured to move freely during work to follow a profile of the terrain.

Abstract: A cutting machine with a chassis including a frame and a coupling support configured to be mounted on a three-point hitch of a tractor, and with an arm connected directly to the frame by a first articulation and extending, at least during work, laterally relative to the frame, the arm carrying a work element and configured, by a displacement device, to be pivoted relative to the frame between a work position, a maneuver position, and a transport position. The displacement device includes a connecting-rod and at least a first jack articulated between the frame and the connecting-rod and a second jack articulated to the arm and connected to the connecting-rod by a pin. The connecting-rod is directly connected to the arm by a second articulation, and the second articulation is separate from the first articulation.

Abstract: A supply device for a single seeder via a flow of air from a main reservoir containing product to at least one auxiliary reservoir depending on its filling rate, each auxiliary reservoir being connected to the main reservoir by a respective leak-tight duct, the number of auxiliary reservoirs corresponding to the number of distributors of the single seeder. A regulating system is associated with each auxiliary reservoir and the regulating system has a sensor for detecting the level of product and a valve for regulating the flow of air in the corresponding auxiliary reservoir. A single seeder using a supply device according to the invention.

Abstract: A distribution box for a single-seeder including a disc including radial grooves that are regularly spaced apart and open on a periphery of the disc, the disc being rotatably mounted on a horizontal axis and separating a seed reservoir from a suction device such that seeds are picked up from the reservoir by the disc via air flow by negative pressure and are held over at least part of their angular travel until they are expelled from a discharge opening. Each groove includes a suction hole smaller than a size of the seeds to be distributed, the suction hole emerging on a channel with a width smaller than the diameter of the suction hole, the channel being open up to the periphery of the disc. A single-seeder can include at least one distribution box.

Abstract: An agricultural machine for working soil or for sowing seeds, including a trailed chassis and work elements distributed over a transverse beam including a central section including wheels and two side sections extending on either side of the central section during work, each end of the central section resting on the ground via a wheel. Each side section includes an extension arm and an intermediate arm, the extension arm is connected to the intermediate arm by a horizontal articulation with a substantially horizontal axis and is directed in a direction of advance at work and each intermediate arm is connected to the chassis via a vertical articulation and carries at least one work element.

Abstract: A coupling device for an agricultural machine including a support for hitching to a tractor and at least one arm articulated to the support and protruding from the support in a direction parallel to a direction of advance of the tractor, the arm carrying, in an articulated manner, a chassis carrying a work element having a cutting angle relative to the ground to allow fine control of the cutting angle during movements of the work element. The coupling device further includes an upper connecting-rod, a lower connecting-rod, and a central connecting-rod, each of the upper and lower connecting-rods is articulated to the support and the central connecting-rod to form, projected in a vertical plane parallel to the direction of advance, a deformable quadrilateral, and the central connecting-rod is articulated to the chassis. An agricultural machine can include the coupling device.

Abstract: The present invention relates to an agricultural machine comprising 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 comprising 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. According to the invention, 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 machine for the harvesting of plants, movable in a direction of advance, comprises an arm movable between work and transport configurations, 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 comprising means making it possible to 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.

Abstract: A rotor comprising a rotary housing and at least one oscillating arm, the oscillating arm comprising at least an internal part connected to the housing and an external part carrying tools, one of the parts comprising an engaging portion able to engage partially in an engaged portion of the other part, the portions each comprising at least one hole and being able to be assembled by a connecting device comprising at least one threaded element with a shoulder, the threaded element passing through each hole of the portions. The connecting device comprises an insert with at least one tapping able to be inserted inside the engaging portion, the threaded element is screwed in the tapping and the shoulder rests on the engaged portion to tighten the engaged portion against the engaging portion.

Abstract: A single seeder with a foldable chassis composed of a central section arranged transversely with respect to the direction of work and of two lateral sections articulated on the central section, seeder elements being distributed in a regular manner on the chassis, the seeder including burying coulters for the distribution of product extending at the front of a respective seeder element, a distribution head and pipes connected on the distribution head and ending at the burying coulters. The distribution head is arranged at the rear of the seeder, behind the seeder elements, taking into account the direction of advance.

Abstract: A haymaking machine comprises a harvesting device comprising a rotor driven about an axis which is horizontal and perpendicular to a direction of advance during work, teeth, the points of which describe a curve envelope when the rotor turns about the axis, and a conveyor moving the plants transversely to the direction of advance, the machine comprising a deflector connected to an arm connected to the harvesting device by means of an articulation, about which the arm can pivot between a first position in which the deflector is arranged, during work, beside and at a distance from a lateral end of the harvesting device, and a second position. In the second position and considering the machine during work, the deflector and the arm extend flat and at least partially above the harvesting device.

Abstract: An agricultural machine comprises a pick-up device with teeth and points, and a guiding device with a lower front end, a rear part and an intermediate part situated above the pick-up device and movable relative to the latter about a rotation center, via a displacement device movable in a first, respectively a second position and comprising first and second connecting means which enable the guiding device to pivot about a first, respectively a second rotation center. The first and second connecting means are geometrically and/or elastically configured so that in the first position, the lower front end is greatly raised above the ground and the intermediate part is brought close to the points, and that in the second position the lower front end is brought greatly close to the ground and the intermediate part and the rear part are distanced from the points.

Abstract: A pick-up device, usable by an agricultural machine, includes a frame and first and second units. The first and second units each include a displacement device, are arranged beside each other and a small distance apart, are connected directly to the frame by respective first and second articulations having first and second distinct axes directed in a direction of advance, include respective first and second pick-up rotors rotatable about third and fourth axes, and are connected to one another by a guidance device. The first and third axes are in a same seventh plane, the second and fourth axes are in a same eighth plane. A stop mechanism defines two work end positions of the first and second units with respect to the frame, between which they can pivot freely within a limited range, and remain connected to one another regardless of their position between the work end positions.

Abstract: A pick-up device, usable by an agricultural machine, includes a rotating part including at least one support arm, to which are attached raking and picking up tools and which is configured to pivot about a rotation axis with respect to the rotating part by at least first and second bearings, the at least first and second bearings each including an outer ring rigidly fastened to the rotating part, and with respect to which outer ring the support arm can pivot about the rotation axis. The first bearing includes an inner ring configured to pivot about the rotation axis with respect to the outer ring and rigidly fastened to the support arm. A stop mechanism connects the inner ring to the outer ring, and limits displacement of the support arm with respect to the rotating part in a direction substantially parallel to the rotation axis to a small or nil value.

Abstract: Agricultural machine including a central frame and two work devices, the central frame being connectable to a tractor, and being provided with wheels, each work device being connected to the central frame by a first articulation and being able to be moved between a transport position and a work position.

Abstract: A supply device for a single seeder via a flow of air from a main reservoir containing product to at least one auxiliary reservoir depending on its filling rate, each auxiliary reservoir being connected to the main reservoir by a respective leak-tight duct, the number of auxiliary reservoirs corresponding to the number of distributors of the single seeder. A regulating system is associated with each auxiliary reservoir and the regulating system has a sensor for detecting the level of product and a valve for regulating the flow of air in the corresponding auxiliary reservoir. A single seeder using a supply device according to the invention.

Abstract: A haymaking machine, or a windrower, including a support structure including a main beam on which is articulated at least one lateral arm supporting at least one windrowing rotor. The rotor is connected to a support device forming an interface with a support mounted on the lateral arm. The support device makes it possible for the rotor to displace to follow movements of the terrain when the machine is in operation and is in a work position. The support device includes an adjustment system allowing to limit movements of the rotor in the work position and to block movements of the rotor in other positions, and the adjustment system allowing to limit the movements of the rotor includes a control including a hydraulic jack.

Abstract: An agricultural haymaking machine intended to be hitched to the lower arms of a tractor comprises a frame supported on the ground by wheels and at least one work device connected to the frame, the frame being in its front part in pivoting connection with a hitching device configured to be connected to the two lower arms, the center of gravity of the machine being situated between the wheels and the hitching device. According to the invention, the projection of the axis of the pivoting connection, on a plane which is substantially vertical and substantially parallel to the direction of advance, has an inclination towards the direction of advance following a direction of the ground upward.