Abstract: A method of working a plot of land by at least one autonomously and independently operating agricultural robot including, during or after an assessment and planning stage, at least one preferred headland portion specifically intended for input supply and in which at least one supply station for at least one input is located, with the ability to move or reposition within this portion, the at least one robot heading towards this portion when a supply instruction is received or generated by it.

Abstract: An agricultural machine, of which the assembly connection between the support frame and the running-gear allows a movement between the support frame and the running-gear along the longitudinal axis. The machine includes a device for determining and optionally adjusting, if necessary, automatically by an evaluation and control device or on command of an operator. The relative positioning between the support frame and the running-gear is set such the center of gravity of the support frame with its tool and a central point of the running-gear are mutually close, advantageously located in a same plane perpendicular to the longitudinal axis and preferably coincident.

Abstract: An agricultural device with two work units, the device being able to occupy a work configuration and a transport configuration and comprising a support arm pivotally mounted on a chassis around a lift axis substantially parallel to the direction of advance and around which the device is pivoted to reach the various configurations mentioned above, each unit being pivotally mounted relative to the support arm around a connecting axis, each unit comprising a respective guided end and a respective free end further away from the corresponding connecting axis than its guided end. The agricultural device includes a central actuator configured to apply on each of the units a biasing force opposed to a downward pivoting movement by its free end around the corresponding connecting axis, at least in the work configuration.

Abstract: An assembly for a seeder including a seeder element and a hopper, the seeder element including a distribution device and a chassis component connected to the distribution device, the distribution device including a sealed housing including a fixed part and a movable door that can be moved between an open position in which the door is removed from the fixed part and a closed position, a distribution unit of a plurality of granular elements arranged to distribute a plurality of granular elements in a discrete and singular manner, wherein the assembly includes a storage device for the door configured to allow the door to be removably mounted with the hopper and/or the chassis component in the open position of the door.

Abstract: A separating device for a distribution unit of granular elements counting a plurality of perforations each including an internal channel with an inlet and an outlet, including an separating wheel including a rotation axis and a peripheral surface, the separating wheel including a plurality of radial projections projecting from the peripheral surface, which are designed to be inserted into the internal channel of one of the perforations in an insertion position, wherein the radial projections are designed to be inserted through the inlet of the internal channel of one of the perforations in a sealing manner inside the internal channel by shape matching and/or by a sealing element in the insertion position so as to achieve sealing inside the internal channel.

Abstract: A method for setting and/or calibrating a mobile motorized agricultural machine, hereinafter referred to as an agricultural robot, which is equipped with a tool and is capable of autonomously working a plot, includes: at the beginning of the working phase on a new plot, and following a request by an operator or the validation of a request by an operator, in temporarily operating the robot in a semi-autonomous mode during which an operating parameter of the robot and/or of the tool is managed and adjusted by the operator, by the robot or by the tool, or by a combination of the three, in order for the robot to be set or calibrated for the subsequent autonomous working phase, upon validation by the operator.

Abstract: An agricultural machine is coupled to a tractor vehicle and includes a work unit connected to a chassis relative to which the work unit can be moved, the machine being able to take up a work configuration and a transport configuration. The machine includes a lightening device having a lightening cylinder connected to the chassis by a flexible compression tie-rod on one side and to the work unit at a front articulation on the other side, the lightening cylinder being able to transfer, in the work configuration, some of the weight of the work unit onto the chassis, the flexible compression tie-rod being attached with the lightening cylinder at an anchoring point and with the chassis at a fastening point, a deflection system making it possible to move the lightening cylinder by pivoting the anchoring point about the front articulation so as to move it away from the midplane.

Abstract: A method for working a plot of land by two autonomous agricultural robots, the method including: for one robot in question arriving at the end of a row, and likely to find itself in a waiting situation, completing the work in progress in the main field in its current row, by bringing its tool or tools to the end of the row and therefore to the edge portion in question of the main field, projecting into the headland portion adjoining this edge portion, then in moving backwards in the main field, at least until the robot and its tool or tools are once again located entirely in the main field, in remaining in place and then in resuming the rest of its work on the plot.

Abstract: A metering unit for a seed drill comprising a casing comprising a fixed part and a door, a metering element for a plurality of granular elements, arranged for discrete and singular distribution of a plurality of granular elements, a drain chute mounted on the outside of the fixed part of the casing, wherein the drain chute is configured so that it can be positioned in an intermediate drain position, in which the drain chute is configured to allow the flow of all or part of the plurality of granular elements initially present in the reserve zone towards a buffer zone of the drain chute and to allow the storage of said granular elements in the buffer zone without them flowing directly out of the drain chute, the buffer zone having a buffer height less than the reserve height.

Abstract: A metering unit for a seed drill comprising: an airtight casing comprising a fixed part and a movable door, the fixed part of the casing comprises an inlet for granular elements associated with a shutter operable by a selection element for placing the shutter in a sealed position or in an access position, in the closed position the door is locked in a locked state or unlocked in an unlocked state by a locking device, wherein in the closed position of the door, the locking device and the selection element are configured so that: as long as the shutter is in the access position the door is held in the locked state by the locking device, and operation of the selection element to pass the shutter from the access position to the sealed position causes operation of the locking device so as to allow the door to pass to the unlocked state.

Abstract: A machine includes a right-hand unit and a left-hand unit, a central unit extending between the left-hand unit and the right-hand unit viewed in the working direction, each unit being able to occupy a working configuration and a headland configuration, an interface for inputting command being associated with the machine and connected to a controller for transposing each unit downwards, which means transposing it from the headland configuration to the working configuration, and for transposing each unit upwards, which means transposing it from the working configuration to the headland configuration, the controller being configured to allow execution of a lowering sequence during which each input of a same lowering command transposes at least one of the units downwards, and a lifting sequence during which each input of a same lifting command transposes at least one of the units upwards.

Abstract: A method for working a plot of land simultaneously by agricultural robots in accordance with instructions and/or commands transmitted by a common central management and control system, the method including: subdividing the plot of land to be worked into distinct work zones as strips having respective ends at the two opposite extremities thereof, and into a turn zone extending along the various opposite ends of the trips; subdividing each turn zone into turn portions, each of which faces and continues from one of the two ends of one of the strips forming work zones; and assigning a fraction of a turn portion to the robot that either is about to pass or is in the process of passing through the designated turn portion, or is going to start, is in the process of completing or going to complete work in the work zone associated with the designated turn portion.

Abstract: A scraper device for a disc of an agricultural machine includes: a first outer scraper element having a first scraper portion resting against the outer surface of the first disc and a first coupling portion coupled to a chassis; a first inner scraper element having a second scraper portion resting against the inner surface of the first disc and a second coupling portion coupled to the first coupling portion, the first inner scraper element swivel-mounted with respect to the first outer scraper element around a second rotation axis; and a resetting device connected to the second coupling portion causing a rotational movement of the first inner scraper element along the second rotation axis pressing the second scraper portion against the inner surface of the first disc and causing rotational movement of the first outer scraper element along the first rotation axis pressing the first scraper portion against the first disc.

Abstract: The present invention relates to an agricultural haymaking machine comprising a chassis resting on the ground by at least one wheel and intended to be coupled to a tractor able to move the machine in a direction of advance, a carrier carrying a plurality of rotors being swivel mounted to the chassis around a central pin oriented transversally to the direction of advance, each rotor being driven around a respective drive axis, and a lift actuator, articulated to the chassis on one hand and to the carrier on another hand, being able to make the carrier pivot around the central pin relative to the chassis, the machine being able to adopt a headland configuration in which the carrier is raised, as well as a work configuration in which the carrier rests on the ground by means of at least one support.

Abstract: A towed or semi-mounted agricultural machine having a chassis on which an axle device connecting two wheels to the chassis is mounted, this axle device being provided with at least one movable part and one fixed part in such a way that the spacing between the wheels can be modified, at least one of the wheels being integral with a movable part that is connected slidingly along a longitudinal axis to the fixed part, which is integral with the chassis. Each movable part is additionally connected mechanically to the chassis by a respective articulated link, which is articulated on the one hand with the movable part by a first articulation and on the other hand with the chassis by a second articulation.

Abstract: An agricultural device is movable in a direction of advance and includes: a cutter bar equipped with cutting elements intended to cut a standing crop product; a conditioner positioned behind the cutter bar; and a grouping device intended to move the product transversely to the direction of advance and located behind the cutter bar, in an active position. A retraction actuator is configured to transpose the grouping device between the active position and a passive position in which the product is deposited at the rear of the device. A collecting device extends partially under and partially behind the conditioner in active position of the grouping device.

Abstract: An agricultural machine includes: a work tool, a coupling frame including a crossing beam and two levers, each lever carrying a respective hitching point attached to a respective lower arm of the tractor and being able to move vertically relative to the crossing beam, each lever having an associated restoring device which can exert a force on the associated lever when the respective hitching point moves vertically relative to the crossing beam. The machine is able to occupy a work configuration in which the tool is close to the surface and a transport configuration, in which the tool is further away from the surface. Each restoring device includes a hydraulic restoring jack fixed to the respective lever on one side and to the crossing beam on another side, each restoring jack being hydraulically connected to a hydraulic tank in the work configuration.

Abstract: Haymaking machine comprising two conveyors, each configured to move a product in a conveying orientation transverse to the direction of advance, in a first or a second conveying direction, and to be driven at a respective speed, with at least one conveyor movable substantially along the conveying orientation, so that the conveyors can be placed in at least one lateral configuration, in which the product is deposited by an outfeed conveyor, and in a central configuration. When the conveyors are placed in the lateral configuration, the speed of at least one of the conveyors is set automatically, so that the speed of the outfeed conveyor is greater than that of the other conveyor(s).

Abstract: A method of working a plot of land by at least one autonomously and independently operating agricultural robot including, during or after an assessment and planning stage, at least one preferred headland portion specifically intended for input supply and in which at least one supply station for at least one input is located, with the ability to move or reposition within this portion, the at least one robot heading towards this portion when a supply instruction is received or generated by it.

Abstract: [Seed distribution device for an agricultural machine with a housing, a seed inlet, a perforated disc driven to transport the seeds and an outlet tube, the seeds being transported from a tank to the outlet tube by means of an air pressure difference, the air pressure difference being interrupted so that the seeds leave the disc to reach the outlet tube, the outlet tube comprising a first portion into which the seeds enter via an inlet, this first portion of the outlet tube being located inside the housing and being oriented so that the inlet is adjacent to the disc; the distribution device comprises a fairing element in which a first opening extending along a first fairing plane is carried out, and the fairing element covers the first portion of the outlet tube.