FR2868905A1 - Agricultural machine e.g. pick up, for self-propelled chopper blower, has foldable worm units disposed transversally in work position, and folded in rest position, where units are driven individually at their opposite free ends - Google Patents
Agricultural machine e.g. pick up, for self-propelled chopper blower, has foldable worm units disposed transversally in work position, and folded in rest position, where units are driven individually at their opposite free ends Download PDFInfo
- Publication number
- FR2868905A1 FR2868905A1 FR0404106A FR0404106A FR2868905A1 FR 2868905 A1 FR2868905 A1 FR 2868905A1 FR 0404106 A FR0404106 A FR 0404106A FR 0404106 A FR0404106 A FR 0404106A FR 2868905 A1 FR2868905 A1 FR 2868905A1
- Authority
- FR
- France
- Prior art keywords
- worm
- elements
- units
- agricultural machine
- pick
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 239000004459 forage Substances 0.000 description 4
- 238000003306 harvesting Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D89/00—Pick-ups for loaders, chaff-cutters, balers, field-threshers, or the like, i.e. attachments for picking-up hay or the like field crops
- A01D89/004—Mountings, e.g. height adjustment, wheels, lifting devices
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
- A01D41/14—Mowing tables
- A01D41/144—Foldable headers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D89/00—Pick-ups for loaders, chaff-cutters, balers, field-threshers, or the like, i.e. attachments for picking-up hay or the like field crops
- A01D89/005—Drives
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
Description
1 28689051 2868905
La présente invention concerne un "pick-up", c'est à dire un engin de ramassage destiné à collecter les andains formés par les faucheuses sur les sols de culture. Elle concerne plus particulièrement un pick-up de type repliable. The present invention relates to a "pick-up", that is to say a pickup device for collecting windrows formed by mowers on the crop soil. It relates more particularly to a collapsible type pick-up.
De tels engins sont habituellement disposés sur l'avant d'une ensileuse automotrice et sont essentiellement constitués d'un ramasseur, qui récolte les andains sur le sol pour les amener à une vis sans fin qui les récupère et les rassemble pour les évacuer ensuite dans l'ensileuse. Such machines are usually placed on the front of a self-propelled forage harvester and consist essentially of a collector, who harvests the windrows on the ground to bring them to a worm which retrieves them and gathers them for evacuation then in the forage harvester.
On comprend aisément que, pour des raisons de rendement, il est intéressant que les pick-up possèdent une envergure, ou largeur active, importante. En cours de travail, cette largeur n'empêche pas une manoeuvre aisée de l'engin, dans la mesure, bien entendu, où les lieux d'utilisation ont une surface suffisamment vaste. It is easily understood that, for reasons of efficiency, it is interesting that the pickups have a large scale, or active width, important. During work, this width does not prevent easy operation of the machine, to the extent, of course, where the places of use have a sufficiently large area.
Par contre, les règlements en matière de sécurité routière imposent à ces engins, lorsqu'ils doivent se déplacer sur route, une largeur réduite telle qu'elle nécessite, soit un démontage soit un repliage du pick-up. Le démontage du pick-up étant une opération longue et fastidieuse, on a ainsi proposé dans la technique antérieure des moyens permettant de réaliser un pick-up constitué d'éléments repliables. On the other hand, road safety regulations impose on these machines, when they have to travel on the road, a reduced width such as it requires either a dismantling or a folding of the pick-up. The dismantling of the pickup is a long and tedious operation, so it has been proposed in the prior art means for making a pickup consisting of folding elements.
Dans les pick-up de ce type, la vis et le ramasseur qui lui est associé sont réalisés en deux éléments qui sont chacun entraînés en rotation à partir de l'une de leurs extrémités, la liaison de l'élément entraîné à l'autre élément se faisant par un dispositif de type crabotage qui est disposé à la jonction des deux éléments. In pickups of this type, the screw and the collector associated therewith are made in two elements which are each rotated from one of their ends, the connection of the driven element to the other element being made by a jaw-like device which is arranged at the junction of the two elements.
De tels systèmes présentent des difficultés de fonctionnement en cours d'utilisation dans la mesure où les deux éléments de vis sans fin sont soumis, par les andains collectés, à des efforts spécifiques dirigés du bas vers le haut si bien qu'ils ont tendance à remonter plus ou moins par rapport à la base du pick-up, ce qui a pour effet d'exercer sur le dispositif de crabotage, des efforts amenant celui-ci à se détériorer au cours du temps. Such systems have operating difficulties in use in that the two worm elements are subjected, by the windrows collected, to specific forces directed from the bottom up so that they tend to go up more or less compared to the base of the pickup, which has the effect of exerting on the device interconnection, efforts causing it to deteriorate over time.
La présente invention a pour but de remédier à un tel inconvénient en proposant un ramasseur d'andains permettant aux deux extrémités adjacentes des éléments de vis sans fin, et/ou de ramasseur, d'avoir la possibilité de ne pas rester rigoureusement en face l'une de l'autre au cours de la réalisation du travail sans que ce désalignement nuise au bon fonctionnement de l'engin. The present invention aims to overcome such a disadvantage by proposing a windrow picker allowing the two adjacent ends of the worm and / or pickup elements, to have the opportunity not to remain rigorously face l one of the other during the performance of the work without this misalignment affects the proper operation of the machine.
La présente invention a ainsi pour objet un engin agricole destiné à la récolte et/ou au ramassage de produits de récolte sur le sol, du type comportant une vis sans fin transversale et rotative constituée de deux éléments repliables aptes à occuper deux positions, à savoir une position de travail dans laquelle les deux éléments sont disposés dans le prolongement axial l'une de l'autre et transversalement par rapport à la direction de déplacement de l'engin, et une position de repos dans laquelle les deux parties sont repliées, caractérisé en ce que les deux éléments de vis sans fin sont entraînés individuellement à partir de leurs extrémités libres respectivement opposées. The subject of the present invention is thus an agricultural machine intended for the collection and / or collection of harvesting products on the ground, of the type comprising a transverse and rotary auger consisting of two folding elements able to occupy two positions, namely a working position in which the two elements are arranged in the axial extension of one another and transversely to the direction of movement of the machine, and a rest position in which the two parts are folded, characterized in that the two worm elements are driven individually from their respectively opposite free ends.
Cet engin agricole pourra comporter deux éléments de transmission, repliables avec les éléments de vis sans fin, qui sont liés entre eux par des moyens d'accouplement en rotation, l'une des extrémités externes d'un premier élément de transmission étant accouplée aux moyens d'entraînement en rotation de l'engin, et à l'extrémité externe correspondante d'un élément de vis sans fin, et l'extrémité externe du second élément de transmission étant liée en rotation avec l'extrémité externe de l'autre élément de vis sans fin, de façon à assurer l'entraînement en rotation de ce dernier. This agricultural machine may comprise two transmission elements, foldable with the worm elements, which are interconnected by means of rotational coupling, one of the outer ends of a first transmission element being coupled to the means for rotating the machine, and at the corresponding outer end of a worm element, and the outer end of the second transmission element being rotatably connected with the outer end of the other element of worm, so as to ensure the rotational drive of the latter.
Dans une variante de mise en oeuvre de l'invention les deux extrémités du ramasseur seront également entraînées individuellement en rotation à partir de leurs extrémités externes respectivement opposées. In an alternative embodiment of the invention the two ends of the collector will also be individually rotated from their respective outer ends respectively.
On décrira ci-après, à titre d'exemple non limitatif, une forme d'exécution de la présente invention, en 20 référence au dessin annexé sur lequel: La figure 1 est une vue de face schématique d'un engin automoteur équipé d'un pick-up en position de travail. An embodiment of the present invention will be described hereinafter by way of nonlimiting example, with reference to the appended drawing, in which: FIG. 1 is a schematic front view of a self-propelled machine equipped with a pick-up in working position.
La figure 2 est une vue de face schématique de l'engin représenté sur la figure 1, le pick-up étant dans une position intermédiaire entre la position de travail et la position repliée. Figure 2 is a schematic front view of the machine shown in Figure 1, the pickup being in an intermediate position between the working position and the folded position.
La figure 3 est une vue schématique en élévation à plus grande échelle du pick-up représenté sur la figure 1 et qui est pourvu d'une vis sans fin réalisée en deux éléments dont l'un est relevable et qui est représenté en position de travail. FIG. 3 is a schematic view in elevation on a larger scale of the pick-up shown in FIG. 1 and which is provided with a worm screw made of two elements, one of which is liftable and which is shown in the working position .
La figure 4 est une vue schématique en élévation du pick-up représenté sur les figures 1 à 3, l'un des éléments de vis sans fin étant représenté dans une position intermédiaire entre la position de travail et la position repliée. Figure 4 is a schematic elevational view of the pickup shown in Figures 1 to 3, one of the worm elements being shown in an intermediate position between the working position and the folded position.
L'engin de ramassage d'andains, ou pick-up, représenté sur les figures est destiné à être fixé sur la partie frontale d'une ensileuse automotrice 2. A cet effet, la partie frontale de celle-ci comprend un cadre support sur lequel vient se fixer un cadre 9 du pick-up qui assure le maintien d'un ramasseur 5 et d'un élément actif, constitué ici d'une vis sans fin 7. Le ramasseur 5 et la vis sans fin 7 s'étendent sur la largeur totale de l'engin et collectent les andains reposant sur le sol pour les.amener au centre de l'appareil afin de les délivrer à des moyens collecteurs de l'ensileuse automotrice 2. The windrow collection machine, or pick-up, shown in the figures is intended to be fixed on the front part of a self-propelled forage harvester 2. For this purpose, the front part thereof comprises a support frame on which is fixed a frame 9 of the pick-up which ensures the maintenance of a collector 5 and an active element, here constituted by a worm 7. The collector 5 and the worm 7 extend over the total width of the machine and collect the swaths resting on the ground to bring them to the center of the apparatus to deliver them to the collector means of the self-propelled forage harvester 2.
Le ramasseur 5 et la vis sans fin 7 sont chacun réalisés en deux éléments, d'une part deux éléments de ramasseur 5a et 5b et, d'autre part, deux éléments de vis sans fin 7a et 7b, qui sont respectivement maintenus par deux éléments de châssis 10a et 10b. Les deux éléments de châssis l0a et 10b sont constitués de montants verticaux 11a, llb et de montants horizontaux 12a et 12b qui sont réunis à leur base par des longerons transversaux non représentés sur le dessin. L'élément de châssis 10a, (et les éléments qu'il supporte, à savoir l'élément de vis sans fin 7a et l'élément de ramasseur 5a) est monté à pivotement sur le cadre 9 autour d'un axe de rotation 14 sous l'action d'un vérin hydraulique 16. The collector 5 and the worm 7 are each made of two elements, on the one hand two collector elements 5a and 5b and, on the other hand, two worm elements 7a and 7b, which are respectively held by two members. frame members 10a and 10b. The two frame members 10a and 10b are constituted by vertical uprights 11a, 11b and horizontal uprights 12a and 12b which are joined at their base by transverse beams not shown in the drawing. The frame member 10a (and the elements that it supports, namely the worm element 7a and the pick-up member 5a) is pivotally mounted on the frame 9 about an axis of rotation 14 under the action of a hydraulic cylinder 16.
Les deux éléments de vis sans fin 7a et 7b sont maintenus à leurs extrémités sur des paliers respectivement solidaires des éléments de châssis lia et llb et sont maintenus au centre par des supports 13a, 13b (représentés sous forme schématique sur la figure 4) respectivement solidaires des éléments de châssis lla et llb dans lesquels elles sont montées à rotation. The two worm elements 7a and 7b are held at their ends on bearings respectively integral with the frame members 11a and 11b and are held in the center by supports 13a, 13b (shown schematically in FIG. frame members 11a and 11b in which they are rotatably mounted.
Suivant l'invention, les deux éléments de vis sans fin 7a et 7b sont entraînés à leurs deux extrémités externes et non pas comme dans l'état antérieur de la technique, par leurs parties centrales, ce qui leur permet, en fonction des différentes contraintes verticales qu'elles subissent de la part des andains ramassés, de se déplacer l'une par rapport à l'autre suivant une faible amplitude sans gêner leur mouvement en rotation. According to the invention, the two worm elements 7a and 7b are driven at their two outer ends and not as in the prior art, by their central parts, which allows them, depending on the different constraints verticals that they undergo from the collected windrows, to move relative to each other in a small amplitude without hindering their rotational movement.
Suivant l'invention, on a disposé entre les deux éléments de structure lla et llb un organe de transmission 18 réalisé en deux éléments, à savoir un élément de transmission 18a supporté par l'élément de structure pivotant 10a et un élément de transmission 18b qui est fixe par rapport à l'élément de structure 10b. According to the invention, there is arranged between the two structural elements 11a and 11b a transmission member 18 made in two elements, namely a transmission element 18a supported by the pivoting structure element 10a and a transmission element 18b which is fixed with respect to the structural element 10b.
Ces deux éléments de transmission 18a et 18b sont maintenus à leurs extrémités externes par des paliers 17a, 17b solidaires des éléments de structure lia et llb et en leurs parties centrales par des paliers 19a et 19b respectivement solidaires de l'élément de structure pivotant 10a et de l'élément de structure fixe 10b. Entre ces deux paliers, les éléments de transmission 18a et 18b sont liés en rotation au moyen d'un système de crabotage 20. Les extrémités externes des éléments de transmission 18a et 18b sont respectivement pourvues de pignons 22a et 22b dont la fonction est de transmettre leur mouvement de rotation aux extrémités externes des éléments de vis sans fin 7a et 7b par l'intermédiaire de pignons respectifs 24a et 24b qui sont respectivement liés en rotation aux pignons 22a et 22b par une chaîne 26a et 26b. These two transmission elements 18a and 18b are held at their outer ends by bearings 17a, 17b integral with the structural elements 11a and 11b and in their central parts by bearings 19a and 19b respectively integral with the pivoting structure element 10a and of the fixed structure element 10b. Between these two bearings, the transmission elements 18a and 18b are connected in rotation by means of a clutch system 20. The outer ends of the transmission elements 18a and 18b are respectively provided with pinions 22a and 22b whose function is to transmit their rotational movement at the outer ends of the worm elements 7a and 7b through respective pinions 24a and 24b which are respectively rotatably connected to the gears 22a and 22b by a chain 26a and 26b.
En position de fonctionnement, ainsi que représenté sur les figures 1 et 3, l'énergie d'entraînement en rotation est recueillie par un pignon 30 placé à une extrémité d'arbre de l'élément de transmission 18b, ce qui permet à l'élément de transmission 18 via le crabotage 20 de retransmettre l'énergie d'entraînement en rotation aux deux pignons 24a et 24b solidaires des extrémités externes des éléments de vis sans fin 7a et 7b. L'invention permet ainsi d'assurer un entraînement positif de chacun des éléments de vis sans fin 7a et 7b. In the operating position, as shown in FIGS. 1 and 3, the rotational driving energy is collected by a pinion 30 placed at a shaft end of the transmission element 18b, which allows the transmission element 18 via the interconnection 20 to retransmettre the drive energy in rotation to the two pinions 24a and 24b integral with the outer ends of the worm elements 7a and 7b. The invention thus makes it possible to ensure a positive drive of each of the worm elements 7a and 7b.
Bien entendu un tel mode de mise en oeuvre peut 20 également être appliqué au ramasseur. Of course, such an embodiment can also be applied to the collector.
On a constaté que l'invention permet ainsi de diminuer les contraintes qui s'appliquaient dans la zone de jonction des deux éléments de vis sans fin 7a et 7b aussi bien sur le plan de la torsion que sur le plan de la flexion. On comprend en effet que suivant l'invention, les parties centrales des deux éléments de vis sans fin peuvent subir un déphasage à la fois en torsion mais également transversalement à l'axe central A-A de la vis sans fin sans que ces deux éléments ne subissent des contraintes dues à ce déphasage. It has been found that the invention thus makes it possible to reduce the stresses that applied in the junction zone of the two worm elements 7a and 7b both in terms of torsion and in terms of bending. It is understood that according to the invention, the central parts of the two worm elements can undergo a phase shift both in torsion but also transversely to the central axis AA of the worm without both of these elements undergo constraints due to this phase shift.
Ainsi que représenté sur la figure 4, une fois les opérations de ramassage d'andains terminées, on agit de façon connue sur le vérin 16 pour faire pivoter l'élément de structure 10a, autour de l'axe 14 solidaire du cadre 9 du pick-up, et ainsi le replier sur l'autre élément de structure 10b, ce qui permet ainsi d'assurer le transport du pick-up en réduisant de façon notable la largeur de celui-ci. As shown in FIG. 4, once the windrow collection operations have been completed, the actuator 16 is actuated in a known manner to pivot the structural element 10a about the axis 14 integral with the frame 9 of the pick. -up, and thus fold it on the other structural element 10b, which thus ensures the transport of the pickup significantly reducing the width thereof.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0404106A FR2868905B1 (en) | 2004-04-19 | 2004-04-19 | FOLDING PICK UP WITH INDEPENDENT TRAINING OF BOTH SCREW ELEMENTS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0404106A FR2868905B1 (en) | 2004-04-19 | 2004-04-19 | FOLDING PICK UP WITH INDEPENDENT TRAINING OF BOTH SCREW ELEMENTS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2868905A1 true FR2868905A1 (en) | 2005-10-21 |
| FR2868905B1 FR2868905B1 (en) | 2007-07-27 |
Family
ID=34945251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0404106A Expired - Lifetime FR2868905B1 (en) | 2004-04-19 | 2004-04-19 | FOLDING PICK UP WITH INDEPENDENT TRAINING OF BOTH SCREW ELEMENTS |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2868905B1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2908588A1 (en) * | 2006-11-16 | 2008-05-23 | Sofibrie Snc | Pneumatic silo loader equipment for use in building site, has main chassis of pick-up fixed with framework by transverse pivoting unit, where elements of pick-up have auxiliary chassis to receive transfer screws, rotor and sectional bars |
| EP2095703A1 (en) * | 2008-02-29 | 2009-09-02 | Idass | System for mechanically driving at least one tool of a farm machine comprising two stackable sections and method for preparing such a machine for work or for the road |
| FR2962297A1 (en) * | 2010-07-09 | 2012-01-13 | Poettinger Alois Maschf | Harvesting machine for processing crop, e.g. grass, hay, straw, sheets, lying on base, has sting rotor that is divided into multiple rotor segments, where rotor segments are suspended around bending axis |
| WO2013007939A1 (en) * | 2011-07-13 | 2013-01-17 | Kuhn S.A. | Articulated pick-up device and agricultural machine comprising such a device |
| FR3031648A1 (en) * | 2015-01-16 | 2016-07-22 | Desvoys Et Fils | AGRICULTURAL DEVICE FOR REACHING A TRACTOR VEHICLE, COMPRISING AT LEAST ONE FOLDING CHASSIS HAVING A ROTARY TOOL |
| EP3235364A1 (en) | 2016-04-18 | 2017-10-25 | Atelier 3T | Harvesting device with improved shaft assembly and farm machine provided with the harvesting device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1430447A (en) * | 1965-02-17 | 1966-03-04 | Texas Industries Inc | Harvester fitted with organs for working mown plants |
| GB1181970A (en) * | 1966-11-30 | 1970-02-18 | Fisher Humphries Ltd | Improvements in or relating to Combine Harvesters |
| EP0755621A1 (en) * | 1995-07-28 | 1997-01-29 | SOCIETE IDASS Société à Responsabilité Limitée | Foldable crop-collecting device |
| DE19619853A1 (en) * | 1996-03-02 | 1997-09-04 | Same Spa | Harvester with pickup reel table and auger |
-
2004
- 2004-04-19 FR FR0404106A patent/FR2868905B1/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1430447A (en) * | 1965-02-17 | 1966-03-04 | Texas Industries Inc | Harvester fitted with organs for working mown plants |
| GB1181970A (en) * | 1966-11-30 | 1970-02-18 | Fisher Humphries Ltd | Improvements in or relating to Combine Harvesters |
| EP0755621A1 (en) * | 1995-07-28 | 1997-01-29 | SOCIETE IDASS Société à Responsabilité Limitée | Foldable crop-collecting device |
| DE19619853A1 (en) * | 1996-03-02 | 1997-09-04 | Same Spa | Harvester with pickup reel table and auger |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2908588A1 (en) * | 2006-11-16 | 2008-05-23 | Sofibrie Snc | Pneumatic silo loader equipment for use in building site, has main chassis of pick-up fixed with framework by transverse pivoting unit, where elements of pick-up have auxiliary chassis to receive transfer screws, rotor and sectional bars |
| EP2095703A1 (en) * | 2008-02-29 | 2009-09-02 | Idass | System for mechanically driving at least one tool of a farm machine comprising two stackable sections and method for preparing such a machine for work or for the road |
| FR2928067A1 (en) * | 2008-02-29 | 2009-09-04 | Idass Sa | SYSTEM FOR THE MECHANICAL DRIVE OF AT LEAST ONE TOOL OF AN AGRICULTURAL EQUIPMENT COMPRISING TWO SUPERPOSABLE RUNNERS AND THE PROCESS FOR PREPARING THE WORK OR ROAD OF SUCH AN ENGINE. |
| FR2962297A1 (en) * | 2010-07-09 | 2012-01-13 | Poettinger Alois Maschf | Harvesting machine for processing crop, e.g. grass, hay, straw, sheets, lying on base, has sting rotor that is divided into multiple rotor segments, where rotor segments are suspended around bending axis |
| WO2013007939A1 (en) * | 2011-07-13 | 2013-01-17 | Kuhn S.A. | Articulated pick-up device and agricultural machine comprising such a device |
| FR2977758A1 (en) * | 2011-07-13 | 2013-01-18 | Kuhn Sa | ARTICULATED PICKUP DEVICE AND AGRICULTURAL MACHINE EQUIPPED WITH SUCH A DEVICE |
| US9198357B2 (en) | 2011-07-13 | 2015-12-01 | Kuhn S.A. | Pick-up device with articulated pick-up units and agricultural machine equipped with such a device |
| FR3031648A1 (en) * | 2015-01-16 | 2016-07-22 | Desvoys Et Fils | AGRICULTURAL DEVICE FOR REACHING A TRACTOR VEHICLE, COMPRISING AT LEAST ONE FOLDING CHASSIS HAVING A ROTARY TOOL |
| EP3235364A1 (en) | 2016-04-18 | 2017-10-25 | Atelier 3T | Harvesting device with improved shaft assembly and farm machine provided with the harvesting device |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2868905B1 (en) | 2007-07-27 |
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