ES2321361A1 - Lawn mower (Machine-translation by Google Translate, not legally binding) - Google Patents
Lawn mower (Machine-translation by Google Translate, not legally binding) Download PDFInfo
- Publication number
- ES2321361A1 ES2321361A1 ES200602468A ES200602468A ES2321361A1 ES 2321361 A1 ES2321361 A1 ES 2321361A1 ES 200602468 A ES200602468 A ES 200602468A ES 200602468 A ES200602468 A ES 200602468A ES 2321361 A1 ES2321361 A1 ES 2321361A1
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- ES
- Spain
- Prior art keywords
- head
- arm
- trunk
- cutter
- axis
- 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
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 17
- 235000013399 edible fruits Nutrition 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 4
- 239000002689 soil Substances 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000004009 herbicide Substances 0.000 description 2
- 235000008216 herbs Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000219793 Trifolium Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000004886 head movement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/835—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes
- A01D34/86—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes for use on sloping ground, e.g. on embankments or in ditches
- A01D34/863—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes for use on sloping ground, e.g. on embankments or in ditches and for mowing around obstacles, e.g. posts, trees, fences or the like
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
Description
Cortadora de hierba.Lawn mower.
La presente invención se refiere a una cortadora de hierba, del tipo de las destinadas a acoplarse a un vehículo agrícola, como por ejemplo a un tractor, para eliminar las malas hierbas que crecen sobre el suelo, con la consecuente limpieza de este último.The present invention relates to a cutter of grass, of the type intended for coupling to a vehicle agricultural, such as a tractor, to eliminate bad herbs that grow on the ground, with the consequent cleaning of the latter.
La cortadora ha sido especialmente concebida para ser utilizada en zonas arboladas, como por ejemplo en fincas de cultivo de frutales, pero es igualmente utilizable a nivel de obras públicas, donde existan postes o apoyos emergentes del suelo que puedan verse igualmente rodeados por la hierba, tales como vallas, reflectantes o similares.The cutter has been specially designed to be used in wooded areas, such as farms of cultivation of fruit trees, but it is also usable at the level of public works, where there are posts or emergent supports of the ground that can also be surrounded by grass, such as fences, reflective or similar.
El objeto de la invención es conseguir un óptimo grado de limpieza, es decir de eliminación de la hierba, alrededor del tronco de los árboles o de los postes citados, con un alto rendimiento y con unos óptimos resultados.The object of the invention is to achieve optimum degree of cleanliness, ie weed removal, around from the trunk of trees or from the cited posts, with a high performance and with optimal results.
La invención se sitúa pues tanto en el ámbito de la maquinaria agrícola como el de la de obras publicas.The invention thus falls both within the scope of Agricultural machinery like that of public works.
Es sobradamente conocido el problema que supone la proliferación de hierbas sobre terrenos destinados a cultivos frutícolas, lo que hace necesaria la eliminación periódica de la misma, tanto como para mantener en óptimas condiciones el plantío como para evitar que dicha hierba consuma nutrientes destinados a los árboles.The problem involved is well known the proliferation of herbs on land intended for crops fruit, which makes the periodic elimination of the same, so as to keep the planting in optimal condition as to prevent that herb consume nutrients destined to the trees
Para la eliminación de dicha hierba se realizan habitualmente tratamientos químicos con herbicidas, lo que supone una problemática con una doble vertiente, por un lado se produce una contaminación medioambiental y por otro los herbicidas son absorbidos también por los árboles con la consecuente y negativa repercusión para los mismos.For the elimination of this herb are made usually chemical treatments with herbicides, which means a problem with a double aspect, on the one hand it occurs an environmental pollution and on the other the herbicides are also absorbed by trees with the consequent and negative impact for them.
La problemática de la contaminación citada se hace extensiva también a aquellos casos en los que se trata de eliminar la hierba en obras publicas, como por ejemplo arcenes, cunetas, etc.The pollution problem cited is it also extends to those cases in which it concerns remove grass in public works, such as shoulders, gutters, etc.
Tratando de solventar este problema ecológico, son conocidas cortadoras de hierba, que en número variable son conducidas y movilizadas por un vehículo tractor y que incorporan un cabezal de corte a modo de disco o plato, en el que giran cuchillas o hilos, estos últimos de nylon, acero u otros materiales apropiados, que constituyen los elementos cortadores propiamente dichos y que actúan a ras del suelo.Trying to solve this ecological problem, they are known grass cutters, which in variable number are driven and mobilized by a tractor vehicle and incorporating a cutting head as a disk or plate, in which they rotate blades or threads, the latter of nylon, steel or other materials appropriate, which constitute the actual cutting elements said and acting at ground level.
Estas cortadoras de hierba, efectivas cuando el suelo está diáfano, presentan problemas funcionales cuando se trata, por ejemplo, de un arbolado, ya que los troncos de los árboles limitan el grado de aproximación de las cuchillas, de manera que en correspondencia con cada alineación de árboles queda sin cortar una franja de hierba, de anchura al menos coincidente con el diámetro de los citados troncos, lo que obliga a una limpieza de dichas franjas con máquinas cortadoras de hierba manuales, con la consecuente complejidad operativa e incremento de costos que ello supone.These grass cutters, effective when the soil is clear, they have functional problems when it is, for example, a woodland, since the trunks of trees limit the degree of approximation of the blades, of so that in correspondence with each tree alignment is without cutting a strip of grass, at least coincident in width with the diameter of the aforementioned trunks, which forces a cleaning of these strips with grass cutting machines manuals, with the consequent operational complexity and increased costs that this implies.
La cortadora de hierba que la invención propone resuelve de forma plenamente satisfactoria la problemática anteriormente expuesta permitiendo una limpieza integral del suelo, es decir el corte de toda la hierba existente en el mismo, sin que los árboles, postes o cualquier otro elemento emergente del mismo constituya un obstáculo que impida conseguir el objetivo citado.The grass cutter that the invention proposes solves the problem fully satisfactorily previously exposed allowing an integral cleaning of the floor, that is to say the cut of all the existing grass in it, without the trees, posts or any other pop-up element thereof constitute an obstacle that prevents achieving the objective aforementioned.
Para ello y de forma más concreta la cortadora que se preconiza centra sus características en la incorporación, en la extremidad libre del brazo que relaciona el cabezal de corte con el vehículo arrastrador, de un cabezal estrellado, concretamente provisto de tres brazos y equiangularmente distribuidos, estando rematado cada brazo en un plato porta-cuchillas, de manera que dichos platos se sitúan según los vértices de un imaginario triángulo equilátero, configurando a modo de un trébol de tres hojas, y con la particularidad de dicho cabezal está montado con libertad de giro sobre el brazo que lo soporta, de manera que cuando la cortadora se encuentra con el tronco de un árbol o con cualquier otro obstáculo, el cabezal gira sobre sí mismo y los platos porta-cuchillas se desplazan rodeando el tronco del árbol y adaptándose al mismo en una magnitud que puede cifrarse del orden de mas de 220º en cada pasada.For this and more specifically the cutter which is recommended focuses its characteristics on incorporation, in the free end of the arm that relates the cutting head to the dragging vehicle, with a crashed head, specifically provided with three arms and equiangularly distributed, being topped each arm in a knife holder plate, of so that said plates are placed according to the vertices of a imaginary equilateral triangle, configuring as a clover of three leaves, and with the particularity of said head is mounted with freedom of rotation on the arm that supports it, of so that when the cutter meets the trunk of a tree or with any other obstacle, the head rotates on itself same and the knife holder plates move surrounding the tree trunk and adapting to it in a magnitude which can be encrypted in the order of more than 220º in each pass.
De esta manera y haciendo trabajar la cortadora primeramente por una de los laterales de una alineación de árboles, y posteriormente por el lateral opuesto, se consigue una perfecta eliminación de toda hierba que rodea al árbol, y por supuesto también de aquella otra que se encuentra mas distanciada del mismo.In this way and making the cutter work firstly by one of the sides of a tree alignment, and later on the opposite side, you get a perfect removal of all grass surrounding the tree, and of course also of that one that is more distanced from same.
De acuerdo con otra de las características de la invención el brazo soporte del cabezal, que como es convencional es susceptible de bascular verticalmente con la colaboración de un cilindro hidráulico, para determinar el nivel de proximidad de las cuchillas de corte con respecto al suelo, está montado sobre el correspondiente soporte a través de otro eje que permite su basculación horizontal, concretamente en contra de la tensión de un resorte, de manera que cuando el cabezal se encuentra con el tronco de un árbol el brazo que lo soporta es susceptible de bascular hacia atrás, en función de las exigencias del tronco del árbol, para mantener en todo momento una perfecta adaptación al mismo y para que su presencia no obstaculice el avance del vehículo.According to another of the characteristics of the invention the head support arm, which as is conventional is capable of tilting vertically with the collaboration of a hydraulic cylinder, to determine the level of proximity of the cutting blades with respect to the ground, is mounted on the corresponding support through another axis that allows its horizontal tilt, specifically against the tension of a spring, so that when the head meets the trunk of a tree the arm that supports it is susceptible to swinging backward, depending on the demands of the tree trunk, to maintain at all times a perfect adaptation to it and so that its presence does not hinder the advance of the vehicle.
Finalmente y de acuerdo con otra de las características de la invención, el eje del cabezal a través del que este está montado con libertad de giro con respecto al brazo, incorpora una pareja de imanes permanentes, uno en la parte fija y otro en la parte móvil, que actúan como freno para el cabezal, impidiendo un giro excesivo e incontrolado del mismo, de manera que dicho cabezal tan solo gira cuando sufre un esfuerzo suficiente como para vencer el efecto de los imanes, como por ejemplo al encontrarse con el tronco de un árbol.Finally and according to another of the characteristics of the invention, the axis of the head through the that this is mounted with freedom of rotation with respect to the arm, incorporates a pair of permanent magnets, one in the fixed part and another in the mobile part, which act as a brake for the head, preventing an excessive and uncontrolled turn of it, so that said head only rotates when it suffers enough effort as to overcome the effect of magnets, such as by meet the trunk of a tree.
Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características del invento, de acuerdo con un ejemplo preferente de realización práctica del mismo, se acompaña como parte integrante de dicha descripción, un juego de dibujos en donde con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being performing and in order to help a better understanding of the characteristics of the invention, according to a preferred example of practical realization of it, is accompanied as part member of that description, a set of drawings where with illustrative and non-limiting nature, what has been represented next:
La figura 1. Muestra, según una vista general en perspectiva, una cortadora de hierba realizada de acuerdo con el objeto de la presente invención.Figure 1. Shows, according to an overview in perspective, a lawnmower made according to the object of the present invention.
La figura 2. Muestra una vista en planta inferior de la figura anterior.Figure 2. Shows a plan view bottom of the previous figure.
La figura 3. Muestra, finalmente una vista en alzado lateral y en sección de la misma cortadora.Figure 3. Finally shows a view in side elevation and section of the same cutter.
A la vista de las figuras reseñadas puede observarse como la cortadora que la invención propone está constituida a partir de un soporte (1), destinado a fijarse al vehículo agrícola arrastrador de la máquina, soporte (1) en el que se establece un eje vertical (2) que permite la basculación lateral de una horquilla (3) en la que a su vez se establece un eje (4) que permite la basculación vertical a un brazo (5), de longitud apropiada, basculación vertical controlada y generada por un cilindro (6), preferentemente hidráulico aunque también podría ser neumático, establecido entre una horquilla (7) que remata la extremidad superior del eje (2) y una segunda horquilla (8) establecida en el propio brazo (5).In view of the figures outlined you can be observed as the cutter that the invention proposes is constituted from a support (1), intended to be fixed to the agricultural vehicle machine drag, support (1) in which a vertical axis (2) is established that allows lateral tilting of a fork (3) in which in turn an axis (4) is established that allows vertical tilting to one arm (5), in length appropriate, vertical tilt controlled and generated by a cylinder (6), preferably hydraulic although it could also be pneumatic, set between a fork (7) that ends the upper end of the shaft (2) and a second fork (8) established in the arm itself (5).
El brazo (5) recibe por su extremidad libre a un cabezal (9), en forma de estrella de tres brazos, rematado cada uno de ellos en un plato (10) portador de las cuchillas de corte (11) y/o de cables (12) de nylon, acero u otro material apropiado, para el corte del tipo de hierba o maleza que exista en cada caso.The arm (5) receives at its free extremity a head (9), in the form of a three-armed star, finished off each of them on a plate (10) carrier of the cutting blades (11) and / or cables (12) of nylon, steel or other appropriate material, for the cut of the type of grass or weed that exists in each case.
El cabezal (9) está montado con libertad de giro sobre el brazo (5) a través de eje (13), de manera que sus brazos (9) pueden girar libremente y, consecuentemente, los platos porta-cuchillas (10) pueden sufrir un movimiento planetario alrededor del eje (13).The head (9) is mounted with freedom of rotation over the arm (5) through the shaft (13), so that your arms (9) can rotate freely and, consequently, the dishes blade holder (10) may suffer a movement planetarium around the axis (13).
El movimiento para las cuchillas (11) es generado por un motor (14), preferentemente hidráulico y alimentado por el vehículo agrícola que arrastra la cortadora, motor (14) montado sobre la extremidad del brazo (5) contrapuesta al cabezal y que a través de correas (15) que recorren el interior hueco del brazo (5), transmiten el movimiento desde la polea de salida (16) del motor (14) a una segunda polea (17) establecida sobre el eje (12) del cabezal, en el que se establece además una polea distribuidora (18) que mediante correas (19) transmite el movimiento a cada una de las poleas (20) de los tres platos (10) porta-cuchillas.The movement for the blades (11) is generated by a motor (14), preferably hydraulic and powered by the agricultural vehicle that drives the cutter, engine (14) mounted on the limb of the arm (5) opposed to the head and through belts (15) that run through the hollow interior of the arm (5), transmit the movement from the output pulley (16) from the motor (14) to a second pulley (17) established on the shaft (12) of the head, in which a pulley is also established distributor (18) that through belts (19) transmits the movement to each of the pulleys (20) of the three plates (10) blade holder
El brazo (5), provisto a nivel medio de un faldón inferior (21) en funciones de protector, se mantiene normalmente en una posición preestablecida, como por ejemplo de perpendicularidad con respecto a la alineación de árboles sobre la que ha de trabajar, con la colaboración de un resorte (22) establecido entre el soporte (1) y el propio brazo (5), como se observa especialmente en la figura 2, de manera que cuando el cabezal (9) se encuentra con el tronco de un árbol, el cabezal bascula hacia atrás para sobrepasar el árbol, mientras que los platos (10) del cabezal (9) se adaptan mayoritariamente al contorno del mismo, concretamente en más de la mitad de la periferia del tronco orientado hacia la "calle" por la que se desplaza la cortadora, concretamente con el ángulo superior a 220º anteriormente citado.The arm (5), provided at the medium level of a lower skirt (21) in protective functions, is maintained normally in a preset position, such as perpendicular to the alignment of trees on the that has to work, with the collaboration of a spring (22) established between the support (1) and the arm itself (5), as note especially in figure 2, so that when the head (9) meets the trunk of a tree, the head tilt back to overcome the tree while the head plates (10) (9) are mostly adapted to the contour of the same, specifically in more than half of the periphery of the trunk oriented towards the "street" through which the cutter, specifically with an angle greater than 220º previously aforementioned.
Este movimiento giratorio del cabezal (9) para adaptarse al tronco del árbol, que es factible como anteriormente se ha dicho por cuanto que el cabezal está montado con libertad de giro sobre el eje (13) está controlado por una pareja de imanes permanentes (23), uno solidarizado al eje (13) y otro al propio brazo (5), de manera que la fuerza de atracción entre dichos imanes (23) actúa como freno que evita que el cabezal (9) gire descontroladamente y tan sólo lo haga cuando se encuentra con un obstáculo que requiere para ser salvado de un esfuerzo superior al generado por dichos imanes.This rotating head movement (9) for adapt to the tree trunk, which is feasible as previously has said because the head is mounted with freedom of rotation on the shaft (13) is controlled by a pair of magnets permanent (23), one in solidarity with the axis (13) and the other with its own arm (5), so that the force of attraction between said magnets (23) acts as a brake that prevents the head (9) from rotating uncontrollably and only do it when you encounter a obstacle required to be saved from an effort greater than generated by said magnets.
Claims (4)
220º.1. Grass cutter, which is specially designed to be used in wooded areas, such as fruit plantations, and in any other practical case where there are emerging obstacles in the ground, such as posts for the support of reflective fences and the like , and being of the type that have a support for fixing to a dragging vehicle, such as an agricultural tractor, to which an arm is articulated, which by its free end incorporates the grass cutting head, is characterized in that the said cutting head (9) adopts a starry configuration, with three radial and equiangularly distributed arms with respect to its axis of rotation, each of said arms being finished off in a knife holder plate (10), and said head being freely mounted turning on the arm through an axis (13), so that when said head is in the path of the cutter with the trunk of a tree or similar, the knife holder plate describes a path around the trunk of the tree superior to the
220º.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200602468A ES2321361B1 (en) | 2006-09-28 | 2006-09-28 | LAWN MOWER. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200602468A ES2321361B1 (en) | 2006-09-28 | 2006-09-28 | LAWN MOWER. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2321361A1 true ES2321361A1 (en) | 2009-06-04 |
| ES2321361B1 ES2321361B1 (en) | 2010-03-09 |
Family
ID=40723264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200602468A Expired - Fee Related ES2321361B1 (en) | 2006-09-28 | 2006-09-28 | LAWN MOWER. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2321361B1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113016326A (en) * | 2021-03-08 | 2021-06-25 | 中国农业科学院果树研究所 | Robot-type sweeping mower |
| EP3932170A1 (en) * | 2020-07-03 | 2022-01-05 | Grimme Landmaschinenfabrik GmbH & Co. KG | Weed separation device |
| EP3932171A1 (en) * | 2020-07-03 | 2022-01-05 | Grimme Landmaschinenfabrik GmbH & Co. KG | Weed separation device |
| EP4079137A1 (en) * | 2021-04-23 | 2022-10-26 | Igor Gottardi | Agricultural machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2838901A (en) * | 1957-05-10 | 1958-06-17 | Herbert W Davis | Tractor mounted rotating disk cutting assembly with overload release means |
| DE3129860A1 (en) * | 1981-07-29 | 1983-02-17 | Karl 5532 Jünkerath Assion | Motor-drivable mowing unit |
| FR2564279A1 (en) * | 1984-05-17 | 1985-11-22 | Giroud Jean Pierre | Undergrowth clearer or mower having an obstacle bypass device |
| AT389031B (en) * | 1984-07-23 | 1989-10-10 | Allg Maschinenentwicklungs Ges | Mower |
| US4901508A (en) * | 1987-10-16 | 1990-02-20 | Whatley Douglas L | Fence row mower |
| US5960614A (en) * | 1997-07-23 | 1999-10-05 | Jones; Hollis H. | Torsion hitch for tractor with fence mower |
| US6301863B1 (en) * | 1999-11-22 | 2001-10-16 | Eugene J Liebrecht | Multi-blade circumrotational trimmer |
| EP1652419A1 (en) * | 2004-10-12 | 2006-05-03 | Barlage, Iris | Mowing device and mowing vehicle with such a mowing device |
-
2006
- 2006-09-28 ES ES200602468A patent/ES2321361B1/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2838901A (en) * | 1957-05-10 | 1958-06-17 | Herbert W Davis | Tractor mounted rotating disk cutting assembly with overload release means |
| DE3129860A1 (en) * | 1981-07-29 | 1983-02-17 | Karl 5532 Jünkerath Assion | Motor-drivable mowing unit |
| FR2564279A1 (en) * | 1984-05-17 | 1985-11-22 | Giroud Jean Pierre | Undergrowth clearer or mower having an obstacle bypass device |
| AT389031B (en) * | 1984-07-23 | 1989-10-10 | Allg Maschinenentwicklungs Ges | Mower |
| US4901508A (en) * | 1987-10-16 | 1990-02-20 | Whatley Douglas L | Fence row mower |
| US5960614A (en) * | 1997-07-23 | 1999-10-05 | Jones; Hollis H. | Torsion hitch for tractor with fence mower |
| US6301863B1 (en) * | 1999-11-22 | 2001-10-16 | Eugene J Liebrecht | Multi-blade circumrotational trimmer |
| EP1652419A1 (en) * | 2004-10-12 | 2006-05-03 | Barlage, Iris | Mowing device and mowing vehicle with such a mowing device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3932170A1 (en) * | 2020-07-03 | 2022-01-05 | Grimme Landmaschinenfabrik GmbH & Co. KG | Weed separation device |
| EP3932171A1 (en) * | 2020-07-03 | 2022-01-05 | Grimme Landmaschinenfabrik GmbH & Co. KG | Weed separation device |
| CN113016326A (en) * | 2021-03-08 | 2021-06-25 | 中国农业科学院果树研究所 | Robot-type sweeping mower |
| CN113016326B (en) * | 2021-03-08 | 2022-06-07 | 中国农业科学院果树研究所 | Robot-type sweeping mower |
| EP4079137A1 (en) * | 2021-04-23 | 2022-10-26 | Igor Gottardi | Agricultural machine |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2321361B1 (en) | 2010-03-09 |
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