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.

Abstract: A device for controlling a piece of agricultural machinery that is movable within an agricultural plot includes: a piece of machinery and a unit having a memory including input data for mapping a risk area located within an agricultural plot. The memory includes data representative of a set of types of risk area and data representative of a set of specific behaviors. The unit is configured to: associate the input data for mapping a risk area with a category, associate the category with a specific behavior of the piece of mobile agricultural machinery, and control the specific behavior if the position of the piece of machinery is located in or near the risk area. The piece of machinery is arranged to move autonomously within the agricultural plot according to the specific behavior controlled by the unit.

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 includes a processing unit equipped with an endless belt conveyor and being able to take up a work position in which the conveyor makes it possible to move a product, the movement of the belt being guided by at least two rollers guided in rotation about longitudinal axes; a tensioning system associated with the belt and including an energy accumulator and a tensioning cylinder making it possible to make the distance between the longitudinal axes vary; a regulating system associated with the belt, which prevents, in the work position of the processing unit, oil from flowing from a first pipe connecting the regulating system to a hydraulic control valve, to a second pipe connecting the regulating system to the tensioning cylinder, when the pressure in the second pipe is greater than a maximum value.

Abstract: An agricultural facility arranged in a plot of farmland includes: a supply and/or maintenance station; an autonomous agricultural device performing an agricultural task in the plot of farmland; a control unit for moving the autonomous agricultural device and the station, which unit is configured to control movement of the autonomous agricultural device within the plot of farmland including a work area in which an agricultural task is performed by the autonomous agricultural device and an area to be worked in which an agricultural task is to be performed by the autonomous agricultural device. The control unit is configured to control movement of the station from the work area to the area to be worked if the autonomous agricultural device moves to perform an agricultural task in the area to be worked, movement of the station being independent from movement of the autonomous agricultural device.

Abstract: A seeder element of an agricultural machine includes a seed distribution element and a tamping device. The tamping device is arranged behind an outlet of the seed distribution element in a direction of advance at work of the seeder element. The tamping device includes an adjustment device and a tamping element. The tamping element exerts a tamping force on the ground in at least one work position of the adjustment device. The at least one work position of the adjustment device is a load-relieving position in which the adjustment device exerts, on the tamping element, a load-relieving stress that counters the weight of the tamping element.

Abstract: A method for controlled seeding of a parcel of agricultural land by a seeding vehicle having a plurality of individual seeding members each producing a seeding line and being able to interrupt at least one seeding line so as to mark out the parcel, including: providing, in advance, a virtual plan of the parcel with the current portions of the arrangements of seeding lines to be realized; inferring therefrom the trajectories of the seeding vehicle; and controlling the latter to carry out controlled seeding with marking out for these current portions and for the particular trajectories at least during cornering, during U-turns or between the current portions, depending on the trajectories of the rolling members of the vehicle(s) or trailer(s) carrying out the subsequent operation(s) on these current portions.

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 method for working a plot of land simultaneously by at least two agricultural robots operating autonomously and independently, in accordance with instructions and/or commands transmitted by a common central management and control system, includes subdividing said plot of land to be treated into at least two distinct work zones and allocating each work zone exclusively to one of the agricultural robots. At least during the working phase, the width of the majority of the work zones is equal to a multiple, greater than or equal to 1, of the working width of the agricultural robot to which it is exclusively allocated. During work on a plot of land, work zones not yet worked are exclusively allocated to various agricultural robots, respectively, in a gradual manner according to the completion of the work undertaken by the agricultural robots in the various zones allocated to them.

Abstract: A gearbox device for an agricultural machine includes: a primary shaft, a secondary shaft, at least one intermediate shaft, and a motion transmission element moveable between at least two operating positions in which it sets up intermeshing drive lines between the primary shaft and the secondary shaft with different gear ratios, at least one of the drive lines incorporating the intermediate shaft, the motion transmission element passing through at least one neutral position during its movement between the at least two aforementioned operating positions. The gearbox device further includes a manually-operated pivoting device that makes it possible to make at least one of the primary, secondary, and intermediate shafts pivot around its rotation axis when the motion transmission element is in the neutral position.

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: The invention relates to an agricultural machine intended to be coupled to a tractor vehicle and comprising 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 in which the work unit rests at least partially on the ground and a transport configuration in which the work unit is raised from the ground. The machine comprises a lightening device having at least one lightening cylinder connected to the chassis on one side and to the work unit on the other side, the lightening cylinder being able to transfer, in the work configuration, at least some of the weight of the work unit onto the chassis.

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: Gearbox device for an agricultural machine comprising a primary shaft, a secondary shaft, at least one intermediate shaft, and a motion transmission element moveable between at least two operating positions in which it sets up intermeshing drive lines between the primary shaft and the secondary shaft with different gear ratios, at least one of the drive lines incorporating the intermediate shaft, the motion transmission element passing through at least one neutral position during its movement between the at least two aforementioned operating positions, wherein the gearbox device comprises a manually-operated pivoting means that makes it possible to make at least one of the primary, secondary, and intermediate shafts pivot around its rotation axis when the motion transmission element is in the neutral position.

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: The invention relates to a scraper device for a disc of an agricultural machine comprising: a first outer scraper element comprising a suitable first scraper portion intended to rest against the outer surface of the first disc and a suitable first coupling portion intended to be coupled to a chassis of the agricultural machine; a first inner scraper element comprising a suitable second scraper portion intended to rest against the inner surface of the first disc and a suitable second coupling portion intended to be coupled to the first coupling portion of the first outer scraper element; the first inner scraper element being swivel-mounted with respect to the first outer scraper element around a second rotation axis; characterized in that it comprises: a resetting means connected to the second coupling portion to cause a rotational movement of the first inner scraper element along the second rotation axis, so as to press the second scraper portion against the inner surface of the first disc and so as to ca

Abstract: The present invention relates to an agricultural machine of the mower type comprising a frame carrying a cutter bar comprising cutting rotors driven in rotation about respective parallel axes and a belt conveyor comprising an endless belt driven in motion and guided between two rollers driven in rotation about their axis, the conveyor being arranged behind the cutter bar to collect the harvest cut and to move it transversely to the direction of advance. The axes of the rollers of the conveyor are substantially parallel to the axes of the cutting rotors, the machine further comprising a collecting shield fastened to the belt conveyor and extending at least partially under the latter and towards the cutter bar while being adjacent to the latter, and a space forming a transverse conveying channel is provided above the collecting shield between the conveying surface of the belt and the cutter bar.