WO2002030176A1 - Suspended spool, in particular for cultivated plants - Google Patents

Suspended spool, in particular for cultivated plants Download PDF

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Publication number
WO2002030176A1
WO2002030176A1 PCT/FR2001/003084 FR0103084W WO0230176A1 WO 2002030176 A1 WO2002030176 A1 WO 2002030176A1 FR 0103084 W FR0103084 W FR 0103084W WO 0230176 A1 WO0230176 A1 WO 0230176A1
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WO
WIPO (PCT)
Prior art keywords
reel
wire
branch
support
coil
Prior art date
Application number
PCT/FR2001/003084
Other languages
French (fr)
Inventor
Jérôme DEARO
Original Assignee
Agro-Systemes
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Agro-Systemes filed Critical Agro-Systemes
Priority to AU2001293961A priority Critical patent/AU2001293961A1/en
Publication of WO2002030176A1 publication Critical patent/WO2002030176A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/12—Supports for plants; Trellis for strawberries or the like
    • A01G9/126—Wirespool supports
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/12—Supports for plants; Trellis for strawberries or the like

Definitions

  • the present invention relates to a hanging dispenser, in particular for crops.
  • Some crops involve hanging plants from a wire to allow easy growth and harvest of fruits or vegetables. This is particularly the case with the cultivation of tomatoes, cucumbers, melons or green beans.
  • Figure 1 schematically illustrates an installation for the cultivation of tomatoes and three tomato plants at different stages of growth.
  • the installation 1 comprises rows of piles 2 about three meters high and suspension cables 3 connected to the upper parts of the piles 2. On these cables 3 are hung reels 4 containing the suspension wires 5 of the tomato plants 6. Each reel 4 comprises a support 10 allowing it to be hooked, with the possibility of sliding, on a cable 3, a reserve of wire 5 and means 11 making it possible to block the unwinding of the wire 5.
  • the stem of a plant is located substantially vertically from the roots of this plant, as is the case of the plant located furthest to the left in Figure 1; as this growth progresses, the base of the stem, on which the fruits or vegetables have been harvested, is oriented in a horizontal direction, as is the case with the central plant and the plant on the right shown in the figure 1. It is therefore necessary periodically, approximately every fortnight, to slide each reel 4 and to unwind a portion of wire 5 so that the vertical part of the rod is always directly above reel 4.
  • a known reel comprises a reel with a horizontal axis, on which is wound a wire for suspending the plant.
  • This coil can be moved in the support, perpendicular to its axis, between a position for blocking the pivoting of the coil and a position for unlocking this pivoting.
  • the length of wire that can be unwound is thus adjustable at will but the gesture necessary to lift the spool, and therefore the plant, is tiring in the long run.
  • the support and coil structures are relatively complex, and the assembly of this support and this coil appears relatively difficult to achieve, which is not without impact on the cost price of a reel.
  • Another known reel comprises a metal wire support comprising a wire reserve coil.
  • This coil has a horizontal axis and comprises, at one of its flanges, a lug projecting radially.
  • the support forms a transverse bar against which this lug abuts, in an undeformed state of this support, which has the effect of blocking the rotation of the coil.
  • the support can be grasped manually and be deformed in order to erase said strip and thus free the rotation of the spool for the unwinding of a portion of wire.
  • This reel has the disadvantage of having a relatively high cost price taking into account the relative complexity of the support structure, which implies for its manufacture the use of a specialized folding machine.
  • an interchange of the spool is necessary when the wire has been completely consumed, which involves tedious handling, especially since the capacity of the reels is limited by the width of the supports.
  • these reels do not allow very easy control of the reeling, and that the conformation of the suspension hooks of these reels does not allow easy crossing of a pile, which constitutes a certain constraint.
  • This reel is molded in one piece and includes a hanging hook, an upper flange connected to the base of the hook, a drum connected to the underside of the upper flange and a lower flange connected to the drum, this lower flange comprising a lug.
  • the flanges and the drum form a reserve which can contain a winding of wire.
  • This reel has the significant drawback of being tiring and relatively long to handle. Indeed, the unwinding of the wire involves performing repeated movements of the wrist to unwind the wire while erasing the lug for each turn of wire to be unwound.
  • the present invention aims to remedy the drawbacks of existing reels.
  • Other objectives of the invention are to provide a reel allowing an easy interchange of the reel when the wire is completely consumed, an easy control of the unwinding of the wire and an easy crossing of a pile for supporting a suspension cable. .
  • the reel concerned comprises, in a manner known per se, a support and a reserve of suspension wire, this reserve being delimited by a flange situated in the interior part when the reel is suspended; this flange has a lug projecting radially outwards, dimensioned so that the suspension wire passes over it when the reel is suspended and that this wire is connected to an object such as a cultivated plant, which it allows to suspend.
  • said wire reserve consists of a spool (1 1) rotatably mounted on the support (10), this spool (1 1) being arranged so that its axis is substantially vertical when the reel (4) is suspended, and comprising said flange.
  • the lug thus allows the two portions of the wire lying immediately before it and immediately after it to form a large angle in them, of the order of 90 °.
  • the force undergone by the wire, resulting from the suspension of the object connected to the wire, is thus exerted, downstream of the lug, in a direction substantially parallel to the axis of the coil, which has the effect not only to retain the wire on the lug but also to block the rotation of the spool.
  • the unwinding of a portion of wire is thus made possible simply by tilting the reel so as to make the wire escape from around the lug and thus to erase the lug from the wire unwinding path.
  • the handling of the reel according to the invention is thus very easy, and this reel can have a structure as simple as possible.
  • the invention it suffices to tilt the reel to obtain the wire reeling then to return the reel to its original position to immediately stop this reeling; the possibility of rotation of the spool relative to the support ensures good retention of the wire against the lug, even when this lug has relatively small dimensions.
  • the capacity of the reel of the reel according to the invention is not limited by the width of the support, so that this reel can have a capacity very much greater than the capacity of the reels of existing reels. Coil interchange operations are thus less frequent than with existing reels and are generally facilitated by the structure of the reel according to the invention.
  • the reel can have a single lug, in which case the reeling increment corresponds to the circumference of the drum of this reel.
  • the latter can also include at least one more lug, the different lugs being distributed regularly over the circumference of the coil, in order to reduce this increment.
  • the coil has a vertical extension, integral with it in rotation, in particular forming a body with it.
  • This extension allows the pressing of the fingers of one hand against it during the rotation of the spool, and therefore the easy exercise of friction making it possible to control the speed of unwinding of the thread.
  • This extension also makes it possible to exert a blocking of the rotation of the reel when the reel is inclined, in particular at the time of the passage of a pile, which also facilitates this operation of passing a pile.
  • the support is produced in the form of a closed loop, having an upper branch, two lateral branches, one of which is straight and forms the pivot of the coil, and a lower branch which connects these two lateral branches; the loop is shaped so that its ends are, on the one hand, at the upper end of said straight branch forming the pivot of the coil and, on the other hand, at the end of said upper branch facing this straight branch.
  • the positioning of the coil on the support is thus achieved by simple engagement of the coil on said straight branch, until the coil rests against said lower branch.
  • the interchange of a coil after consumption of the wire is particularly simple and quick to carry out.
  • this support is produced by bending a metal wire.
  • the upper branch may then include an inverted "V" loop forming the suspension zone of the reel.
  • the wire used advantageously has an elasticity, and the upper branch forms a housing for receiving the straight branch, with slight elastic stress on the support, this constraint being such that this straight branch normally remains engaged, by elastic return, in said housing.
  • the support thus has a general "carabiner" shape.
  • This support can be carried out in a particularly simple manner for attaching or detaching the reel, by gripping the latter and applying pressure against the straight branch so as to extract it from said housing. This characteristic also contributes to making the handling of the reel very easy.
  • the support formed by a metal wire does not require complex bending of this wire and therefore remains simple to manufacture, without requiring a special machine.
  • the invention is again described below with reference to the appended schematic drawing representing, by way of non-limiting example, a preferred embodiment of the hanging reel it relates to.
  • Figure 2 is a perspective view, while suspended from a cable 3;
  • Figure 3 is a view of the coil it comprises, along the axis of this coil,
  • Figure 4 is a view similar to Figure 3 of a coil which it can comprise according to a variant, and
  • Figure 5 is a view of the reel as it is gripped by a hand.
  • FIGS. 2 to 5 show a reel 4 as shown in FIG. 1, which comprises a support 10 and a spool 11 of the wire reserve 5.
  • the support 10 is made by bending a metal wire having an elasticity, in particular a steel wire of current quality. It is produced in the form of a closed loop, having an upper branch 1 5, two lateral branches 1 6, 1 7 of which one, referenced 1 6, is rectilinear and forms the pivot axis of the coil 1 1, and a lower branch 1 8 which connects these two lateral branches 1 6, 1 7.
  • This loop is shaped so that its ends are, on the one hand, at the end of the branch 1 5 facing the branch 1 6 and, on the other hand, at the upper end of the branch 1 6.
  • the branch 1 5 comprises a loop 20 in inverted "V", forming the suspension zone of the reel 4, and its free end is bent on the side of the branch 1 6, so as to form a housing 21 for receiving this branch 1 6.
  • the lateral branches 1 6, 1 7 are rectilinear.
  • the branch 1 6 receives the coil 1 1, of which it forms the pivot.
  • the support 10 is generally shaped so that the branch 1 6 is received in the housing 21 with elastic deformation of the support 1 0, this deformation tending to maintain this branch 1 6 in this housing 21.
  • the support 10 thus has a carabiner structure, allowing a grip of the reel 4 and a release of the branch 1 6 out of the housing 21 by action of the fingers of one hand, in a similar manner to the action of a hand on a carabiner.
  • the coil 1 1 is pivotally engaged on the branch 1 6, so that its axis is substantially vertical when the reel 4 is suspended from the cable 3.
  • tubular extension 25 at its axial end, which is coaxial with it and which forms a body with it, and on the side opposite this extension 25, a cheek 26 having a lug 27 projecting radially outwards, as well as a tubular extension 28 coaxial with the tubular extension 25.
  • the extension 25 is located in the upper part when the reel 4 is suspended, the cheek 26 and the lug 27 being therefore located in the lower part.
  • the unwinding of a portion of wire 5 is made possible simply by grasping the reel 4 and tilting it so as to cause the wire 5 to escape from around the lug 27 and thus to erase this lug from the reeling path of This thread.
  • Grasping the reel 4 causes at least two fingers of one hand other than the thumb to engage around the extension 25, as shown in FIG. 5, which allows the easy exercise of friction on this extension to control the wire feed speed 5.
  • FIGS. 3 and 4 show that the spool can comprise a single lug 27 or two lugs 27, or even more, distributed regularly over its circumference, in order to reduce the increment of unwinding of the wire 5.
  • the invention provides a hanging dispenser which overcomes the drawbacks of homologous dispensers of the prior art, in the sense that it perfectly fulfills its functions while remaining simple and easy to manufacture and assemble, and in that it allows an easy interchange of the reel when the wire is completely consumed, an easy control of the unwinding of the wire and an easy crossing of a support pile a suspension cable.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Supports For Plants (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)

Abstract

The invention concerns a spool (4) comprising a support (10) and a reel (11) of suspending thread reserve (5), said reel (11) comprising a pin (27) projecting radially outwards, serving to lock the reel (11) in rotation. The invention is characterised in that the reel (11) is mounted on the support (10) so that its axis is substantially vertical when the spool (4) is suspended; the pin (27) is located in the lower part of said reel (11) when the spool (4) is suspended, and the pin (27) is dimensioned so that the suspending thread (5) passes over it when the spool (4) is suspended and said thread is linked to an object such as a cultivated plant (6) which is suspended thereby.

Description

DEVIDOIR SUSPENDU, NOTAMMENT POUR CULTURES SUSPENDED FEEDER, ESPECIALLY FOR CROPS
La présente invention concerne un dévidoir suspendu, notamment pour cultures.The present invention relates to a hanging dispenser, in particular for crops.
Certaines cultures impliquent de suspendre les plants à un fil pour permettre une croissance et une récolte faciles des fruits ou légumes. Tel est en particulier le cas de la culture des tomates, des concombres, des melons ou des haricots verts.Some crops involve hanging plants from a wire to allow easy growth and harvest of fruits or vegetables. This is particularly the case with the cultivation of tomatoes, cucumbers, melons or green beans.
La figure 1 illustre de manière schématique une installation pour la culture de tomates et trois plants de tomates à différents stades de croissance.Figure 1 schematically illustrates an installation for the cultivation of tomatoes and three tomato plants at different stages of growth.
L'installation 1 comprend des rangées de pieux 2 d'environ trois mètres de hauteur et des câbles de suspension 3 reliés aux parties supérieures des pieux 2. Sur ces câbles 3 sont accrochés des dévidoirs 4 contenant les fils de suspension 5 des plants de tomates 6. Chaque dévidoir 4 comprend un support 10 permettant son accrochage, avec possibilité de coulissement, sur un câble 3, une réserve de fil 5 et des moyens 1 1 permettant de bloquer le dévidement du fil 5.The installation 1 comprises rows of piles 2 about three meters high and suspension cables 3 connected to the upper parts of the piles 2. On these cables 3 are hung reels 4 containing the suspension wires 5 of the tomato plants 6. Each reel 4 comprises a support 10 allowing it to be hooked, with the possibility of sliding, on a cable 3, a reserve of wire 5 and means 11 making it possible to block the unwinding of the wire 5.
Au début de la croissance des plants, la tige d'un plant se trouve sensiblement à la verticale des racines de ce plant, comme cela est le cas du plant se trouvant le plus à gauche sur la figure 1 ; au fur et à mesure de cette croissance, la base de la tige, sur laquelle les fruits ou légumes ont été récoltés, s'oriente dans une direction horizontale, comme cela est le cas du plant central et du plant de droite montrés par la figure 1 . Il est ainsi nécessaire périodiquement, environ tous les quinze jours, de faire coulisser chaque dévidoir 4 et de dévider une portion de fil 5 afin que la partie verticale de la tige soit toujours à l'aplomb du dévidoir 4.At the beginning of the growth of the plants, the stem of a plant is located substantially vertically from the roots of this plant, as is the case of the plant located furthest to the left in Figure 1; as this growth progresses, the base of the stem, on which the fruits or vegetables have been harvested, is oriented in a horizontal direction, as is the case with the central plant and the plant on the right shown in the figure 1. It is therefore necessary periodically, approximately every fortnight, to slide each reel 4 and to unwind a portion of wire 5 so that the vertical part of the rod is always directly above reel 4.
Un dévidoir connu comprend une bobine d'axe horizontal, sur laquelle est enroulé un fil de suspension du plant. Cette bobine peut être déplacée dans le support, perpendiculairement à son axe, entre une position de blocage du pivotement de la bobine et une position de déblocage de ce pivotement.A known reel comprises a reel with a horizontal axis, on which is wound a wire for suspending the plant. This coil can be moved in the support, perpendicular to its axis, between a position for blocking the pivoting of the coil and a position for unlocking this pivoting.
La longueur de fil pouvant être dévidée est ainsi réglable à volonté mais le geste nécessaire pour soulever la bobine, et donc le plant, est fatiguant à la longue. En outre, les structures du support et de la bobine sont relativement complexes, et l'assemblage de ce support et de cette bobine apparaît relativement difficile à réaliser, ce qui n'est pas sans incidence sur le prix de revient d'un dévidoir.The length of wire that can be unwound is thus adjustable at will but the gesture necessary to lift the spool, and therefore the plant, is tiring in the long run. In addition, the support and coil structures are relatively complex, and the assembly of this support and this coil appears relatively difficult to achieve, which is not without impact on the cost price of a reel.
Un autre dévidoir connu comprend un support en fil métallique comportant une bobine de réserve de fil. Cette bobine a un axe horizontal et comprend, au niveau de l'un de ses flasques, un ergot faisant saillie radialement. Le support forme une barrette transversale contre laquelle cet ergot vient en butée, dans un état non déformé de ce support, ce qui a pour effet de bloquer la rotation de la bobine. Le support peut être saisi manuellement et être déformé afin d'effacer ladite barrette et de libérer ainsi la rotation de la bobine en vue du devidement d'une portion de fil.Another known reel comprises a metal wire support comprising a wire reserve coil. This coil has a horizontal axis and comprises, at one of its flanges, a lug projecting radially. The support forms a transverse bar against which this lug abuts, in an undeformed state of this support, which has the effect of blocking the rotation of the coil. The support can be grasped manually and be deformed in order to erase said strip and thus free the rotation of the spool for the unwinding of a portion of wire.
Ce dévidoir a pour inconvénient d'avoir un prix de revient relativement élevé compte tenu de la relative complexité de la structure du support, qui implique pour sa fabrication l'utilisation d'une machine de pliage spécialisée. En outre, avec ce dévidoir, de même qu'avec le dévidoir cité en premier, un interchangement de la bobine est nécessaire lorsque le fil a été totalement consommé, ce qui implique des manipulations fastidieuses, d'autant plus que la capacité des bobines est limitée par la largeur des supports. Il peut également être noté que ces dévidoirs ne permettent pas un contrôle très aisé du devidement, et que la conformation des crochets de suspension de ces dévidoirs ne permet pas le franchissement aisé d'un pieu, ce qui constitue une contrainte certaine.This reel has the disadvantage of having a relatively high cost price taking into account the relative complexity of the support structure, which implies for its manufacture the use of a specialized folding machine. In addition, with this reel, as with the reel mentioned first, an interchange of the spool is necessary when the wire has been completely consumed, which involves tedious handling, especially since the capacity of the reels is limited by the width of the supports. It can also be noted that these reels do not allow very easy control of the reeling, and that the conformation of the suspension hooks of these reels does not allow easy crossing of a pile, which constitutes a certain constraint.
Un autre dévidoir connu est décrit dans le document NL-A-8 702 1 74. Ce dévidoir est moulé en une seule pièce et comprend un crochet de suspension, un flasque supérieur reliée à la base du crochet, un tambour relié à la face inférieure du flasque supérieur et un flasque inférieur relié au tambour, ce flasque inférieur comprenant un ergot. Les flasques et le tambour forment une réserve pouvant contenir un enroulement de fil.Another known reel is described in document NL-A-8 702 1 74. This reel is molded in one piece and includes a hanging hook, an upper flange connected to the base of the hook, a drum connected to the underside of the upper flange and a lower flange connected to the drum, this lower flange comprising a lug. The flanges and the drum form a reserve which can contain a winding of wire.
Ce dévidoir a pour inconvénient important d'être fatiguant et relativement long à manipuler. En effet, le devidement du fil implique d'opérer des mouvements répétés du poignet pour dévider le fil tout en effaçant l'ergot pour chaque spire de fil devant être dévidée.This reel has the significant drawback of being tiring and relatively long to handle. Indeed, the unwinding of the wire involves performing repeated movements of the wrist to unwind the wire while erasing the lug for each turn of wire to be unwound.
La fatigue et le temps nécessaire à la manipulation d'un grand nombre de dévidoirs présents sur une exploitation ne sont pas sans incidences sur la productivité de cette exploitation. De plus, la fiabilité du blocage du fil obtenu avec un ergot à face d'appui purement radiale (cf. la dernière figure de ce document antérieur) semble relativement incertaine, ce qui oblige à prévoir un ergot à dimension radiale relativement importante et à encoche profonde, comme montré sur les deux premières figures de ce document antérieur. Un tel ergot oblige à incliner fortement un dévidoir pour libérer le fil et à réaliser des mouvements répétés de relativement grande amplitude, donc d'autant plus fatigants et longs à réaliser.The fatigue and the time required to handle a large number of reels present on a farm are not without consequences for the productivity of this farm. In addition, the reliability of the locking of the wire obtained with a lug with a purely radial bearing face (cf. the last figure of this prior document) seems relatively uncertain, which means that a lug with a relatively large radial dimension and with a notch has to be provided. deep, as shown in the first two figures of this previous document. Such a pin makes it necessary to strongly incline a reel to release the wire and to carry out repeated movements of relatively large amplitude, therefore all the more tiring and time consuming.
La présente invention a pour objectif de remédier aux inconvénients des dévidoirs existants.The present invention aims to remedy the drawbacks of existing reels.
Son objectif principal est de fournir un dévidoir remplissant parfaitement ses fonctions tout en restant simple et facile à fabriquer et à assembler.Its main objective is to provide a reel that perfectly fulfills its functions while remaining simple and easy to manufacture and assemble.
D'autres objectifs de l'invention sont de fournir un dévidoir permettant un interchangement aisé de la bobine lorsque le fil est entièrement consommé, un contrôle aisé du devidement du fil et un franchissement aisé d'un pieu de support d'un câble de suspension.Other objectives of the invention are to provide a reel allowing an easy interchange of the reel when the wire is completely consumed, an easy control of the unwinding of the wire and an easy crossing of a pile for supporting a suspension cable. .
Le dévidoir concerné comprend, de manière connue en soi, un support et une réserve de fil de suspension, cette réserve étant délimitée par un flasque situé en partie intérieure lorsque le dévidoir est suspendu ; ce flasque présente un ergot faisant saillie radialement vers l'extérieur, dimensionné de telle sorte que le fil de suspension passe sur lui lorsque le dévidoir est suspendu et que ce fil est relié à un objet tel qu'un plant cultivé, qu'il permet de suspendre. Selon l'invention, ladite réserve de fil est constituée par une bobine ( 1 1 ) montée rotative sur le support ( 10), cette bobine ( 1 1 ) étant disposée de telle sorte que son axe est sensiblement vertical lorsque le dévidoir (4) est suspendu, et comprenant ledit flasque.The reel concerned comprises, in a manner known per se, a support and a reserve of suspension wire, this reserve being delimited by a flange situated in the interior part when the reel is suspended; this flange has a lug projecting radially outwards, dimensioned so that the suspension wire passes over it when the reel is suspended and that this wire is connected to an object such as a cultivated plant, which it allows to suspend. According to the invention, said wire reserve consists of a spool (1 1) rotatably mounted on the support (10), this spool (1 1) being arranged so that its axis is substantially vertical when the reel (4) is suspended, and comprising said flange.
L'ergot permet ainsi que les deux portions du fil se trouvant immédiatement avant lui et immédiatement après lui forment un angle important en elles, de l'ordre de 90° . L'effort subi par le fil, résultant de la suspension de l'objet relié au fil, s'exerce ainsi, en aval de l'ergot, selon une direction sensiblement parallèle à l'axe de la bobine, ce qui a pour effet non seulement de retenir le fil sur l'ergot mais également de bloquer la rotation de la bobine. Le devidement d'une portion de fil est ainsi rendu possible simplement en inclinant le dévidoir de manière à faire échapper le fil d'autour de l'ergot et à effacer ainsi l'ergot du trajet de devidement du fil.The lug thus allows the two portions of the wire lying immediately before it and immediately after it to form a large angle in them, of the order of 90 °. The force undergone by the wire, resulting from the suspension of the object connected to the wire, is thus exerted, downstream of the lug, in a direction substantially parallel to the axis of the coil, which has the effect not only to retain the wire on the lug but also to block the rotation of the spool. The unwinding of a portion of wire is thus made possible simply by tilting the reel so as to make the wire escape from around the lug and thus to erase the lug from the wire unwinding path.
La manipulation du dévidoir selon l'invention est ainsi très facile, et ce dévidoir peut présenter une structure aussi simple que possible.The handling of the reel according to the invention is thus very easy, and this reel can have a structure as simple as possible.
Grâce à l'invention, il suffit d'incliner le dévidoir pour obtenir le devidement de fil puis de replacer le dévidoir dans sa position d'origine pour stopper immédiatement ce devidement ; la possibilité de rotation de la bobine par rapport au support permet d'assurer un bon maintien du fil contre l'ergot, même lorsque cet ergot présente des dimensions relativement réduites. Il résulte que non seulement le nombre de mouvements à opérer pour réaliser un devidement est très réduit, mais également que la fiabilité du blocage du fil obtenue est très notablement améliorée. La capacité de la bobine du dévidoir selon l'invention n'est pas limitée par la largeur du support, de sorte que cette bobine peut avoir une capacité très nettement supérieure à la capacité des bobines des dévidoirs existants. Les opérations d'interchangement de bobines sont ainsi moins fréquentes qu'avec les dévidoirs existants et sont, d'une manière générale, facilitées par la structure du dévidoir selon l'invention.Thanks to the invention, it suffices to tilt the reel to obtain the wire reeling then to return the reel to its original position to immediately stop this reeling; the possibility of rotation of the spool relative to the support ensures good retention of the wire against the lug, even when this lug has relatively small dimensions. As a result, not only is the number of movements to be carried out in order to unwind it very small, but also that the reliability of the blocking of the wire obtained is very significantly improved. The capacity of the reel of the reel according to the invention is not limited by the width of the support, so that this reel can have a capacity very much greater than the capacity of the reels of existing reels. Coil interchange operations are thus less frequent than with existing reels and are generally facilitated by the structure of the reel according to the invention.
La bobine peut comporter un seul ergot, auquel cas l'incrément de devidement correspond à la circonférence du tambour de cette bobine. Cette dernière peut également comprendre au moins un ergot de plus, les différents ergots étant répartis de manière régulière sur la circonférence de la bobine, afin de réduire cet incrément.The reel can have a single lug, in which case the reeling increment corresponds to the circumference of the drum of this reel. The latter can also include at least one more lug, the different lugs being distributed regularly over the circumference of the coil, in order to reduce this increment.
Avantageusement, la bobine présente une extension verticale, solidaire d'elle en rotation, notamment formant corps avec elle.Advantageously, the coil has a vertical extension, integral with it in rotation, in particular forming a body with it.
Cette extension permet un appui des doigts d'une main contre elle lors de la rotation de la bobine, et donc l'exercice facilité de frottements permettant de contrôler la vitesse de devidement du fil. Cette extension permet également d'exercer un blocage de la rotation de la bobine lorsque le dévidoir est incliné, en particulier au moment du passage d'un pieu, ce qui facilite également cette opération de passage d'un pieu.This extension allows the pressing of the fingers of one hand against it during the rotation of the spool, and therefore the easy exercise of friction making it possible to control the speed of unwinding of the thread. This extension also makes it possible to exert a blocking of the rotation of the reel when the reel is inclined, in particular at the time of the passage of a pile, which also facilitates this operation of passing a pile.
L'inclinaison du dévidoir et le contrôle du devidement sont ainsi réalisés d'un même geste, sans qu'il soit besoin de décrocher et de réaccrocher le dévidoir. De préférence, le support est réalisé sous forme d'une boucle fermée, présentant une branche supérieure, deux branches latérales, dont une est rectiligne et forme le pivot de la bobine, et une branche inférieure qui relie ces deux branches latérales ; la boucle est conformée de telle sorte que ses extrémités se trouvent, d'une part, au niveau de l'extrémité supérieure de ladite branche rectiligne formant le pivot de la bobine et, d'autre part, au niveau de l'extrémité de ladite branche supérieure tournée vers cette branche rectiligne.The inclination of the reel and the control of the reel are thus carried out with the same gesture, without the need to unhook and hang up the reel. Preferably, the support is produced in the form of a closed loop, having an upper branch, two lateral branches, one of which is straight and forms the pivot of the coil, and a lower branch which connects these two lateral branches; the loop is shaped so that its ends are, on the one hand, at the upper end of said straight branch forming the pivot of the coil and, on the other hand, at the end of said upper branch facing this straight branch.
La mise en place de la bobine sur le support est ainsi réalisée par simple engagement de la bobine sur ladite branche rectiligne, jusqu'à appui de la bobine contre ladite branche inférieure. L'interchangement d'une bobine après consommation du fil est particulièrement simple et rapide à réaliser.The positioning of the coil on the support is thus achieved by simple engagement of the coil on said straight branch, until the coil rests against said lower branch. The interchange of a coil after consumption of the wire is particularly simple and quick to carry out.
Selon une forme de réalisation préférée de l'invention, dans ce cas, ce support est réalisé par pliage d'un fil métallique.According to a preferred embodiment of the invention, in this case, this support is produced by bending a metal wire.
La branche supérieure peut alors comprendre une boucle en "V" inversé formant la zone de suspension du dévidoir.The upper branch may then include an inverted "V" loop forming the suspension zone of the reel.
Cette zone facilite le passage d'un pieu, de par ses faibles dimensions. Le fil utilisé présente avantageusement une élasticité, et la branche supérieure forme un logement de réception de la branche rectiligne, avec légère contrainte élastique du support, cette contrainte étant telle que cette branche rectiligne reste normalement engagée, par rappel élastique, dans ledit logement. Le support a ainsi une forme générale en "mousqueton" .This area facilitates the passage of a stake, due to its small dimensions. The wire used advantageously has an elasticity, and the upper branch forms a housing for receiving the straight branch, with slight elastic stress on the support, this constraint being such that this straight branch normally remains engaged, by elastic return, in said housing. The support thus has a general "carabiner" shape.
L'ouverture de ce support peut être réalisée de manière particulièrement simple pour l'accrochage ou le décrochage du dévidoir, par saisie de ce dernier et exercice d'une pression contre la branche rectiligne de manière à l'extraire dudit logement. Cette caractéristique contribue encore à rendre très aisée la manipulation du dévidoir.The opening of this support can be carried out in a particularly simple manner for attaching or detaching the reel, by gripping the latter and applying pressure against the straight branch so as to extract it from said housing. This characteristic also contributes to making the handling of the reel very easy.
Dans tous les cas, le support formé par un fil métallique ne requiert pas de pliage complexe de ce fil et reste par conséquent simple à fabriquer, sans nécessiter une machine spéciale. Pour sa bonne compréhension, l'invention est à nouveau décrite ci-dessous en référence au dessin schématique annexé représentant, à titre d'exemple non limitatif, une forme de réalisation préférée du dévidoir suspendu qu'elle concerne.In all cases, the support formed by a metal wire does not require complex bending of this wire and therefore remains simple to manufacture, without requiring a special machine. For its proper understanding, the invention is again described below with reference to the appended schematic drawing representing, by way of non-limiting example, a preferred embodiment of the hanging reel it relates to.
La figure 2 en est une vue en perspective, alors qu'il est suspendu à un câble 3 ; la figure 3 est une vue de la bobine qu'il comprend, selon l'axe de cette bobine, la figure 4 est une vue similaire à la figure 3 d'une bobine qu'il peut comprendre selon une variante, et la figure 5 est une vue du dévidoir alors qu'il est saisi par une main.Figure 2 is a perspective view, while suspended from a cable 3; Figure 3 is a view of the coil it comprises, along the axis of this coil, Figure 4 is a view similar to Figure 3 of a coil which it can comprise according to a variant, and Figure 5 is a view of the reel as it is gripped by a hand.
Les figures 2 à 5 montrent un dévidoir 4 tel que représenté sur la figure 1 , qui comprend un support 10 et une bobine 1 1 de réserve de fil 5.FIGS. 2 to 5 show a reel 4 as shown in FIG. 1, which comprises a support 10 and a spool 11 of the wire reserve 5.
Ainsi que le montrent les figures 2 et 5, le support 10 est réalisé par pliage d'un fil métallique présentant une élasticité, notamment un fil d'acier de qualité courante. Il est réalisé sous forme d'une boucle fermée, présentant une branche supérieure 1 5, deux branches latérales 1 6, 1 7 dont une, référencée 1 6, est rectiligne et forme l'axe de pivotement de la bobine 1 1 , et une branche inférieure 1 8 qui relie ces deux branches latérales 1 6, 1 7. Cette boucle est conformée de telle sorte que ses extrémités se trouvent, d'une part, au niveau de l'extrémité de la branche 1 5 tournée vers la branche 1 6 et, d'autre part, au niveau de l'extrémité supérieure de la branche 1 6.As shown in Figures 2 and 5, the support 10 is made by bending a metal wire having an elasticity, in particular a steel wire of current quality. It is produced in the form of a closed loop, having an upper branch 1 5, two lateral branches 1 6, 1 7 of which one, referenced 1 6, is rectilinear and forms the pivot axis of the coil 1 1, and a lower branch 1 8 which connects these two lateral branches 1 6, 1 7. This loop is shaped so that its ends are, on the one hand, at the end of the branch 1 5 facing the branch 1 6 and, on the other hand, at the upper end of the branch 1 6.
La branche 1 5 comprend une boucle 20 en "V" inversé, formant la zone de suspension du dévidoir 4, et son extrémité libre est recourbée du côté de la branche 1 6, de manière à former un logement 21 de réception de cette branche 1 6.The branch 1 5 comprises a loop 20 in inverted "V", forming the suspension zone of the reel 4, and its free end is bent on the side of the branch 1 6, so as to form a housing 21 for receiving this branch 1 6.
Les branches latérales 1 6, 1 7 sont rectilignes. La branche 1 6 reçoit la bobine 1 1 , dont elle forme le pivot. Le support 10 est conformé d'une manière générale de telle sorte que la branche 1 6 est reçue dans le logement 21 avec déformation élastique du support 1 0, cette déformation tendant au maintien de cette branche 1 6 dans ce logement 21 . Le support 10 présente ainsi une structure en mousqueton, permettant une saisie du dévidoir 4 et un dégagement de la branche 1 6 hors du logement 21 par action des doigts d'une main, de manière similaire à l'action d'une main sur un mousqueton. La bobine 1 1 est engagée à pivotement sur la branche 1 6, de sorte que son l'axe est sensiblement vertical lorsque le dévidoir 4 est suspendu au câble 3. Elle présente à une extrémité axiale une extension tubulaire 25, qui lui est coaxiale et qui forme corps avec elle, et du côté opposé à cette extension 25, une joue 26 présentant un ergot 27 faisant saillie radialement vers l'extérieur, ainsi qu'une extension tubulaire 28 coaxiale à l'extension tubulaire 25. Ainsi que le montrent les figures, l'extension 25 est située en partie supérieure lorsque le dévidoir 4 est suspendu, la joue 26 et l'ergot 27 étant par conséquent situés en partie inférieure.The lateral branches 1 6, 1 7 are rectilinear. The branch 1 6 receives the coil 1 1, of which it forms the pivot. The support 10 is generally shaped so that the branch 1 6 is received in the housing 21 with elastic deformation of the support 1 0, this deformation tending to maintain this branch 1 6 in this housing 21. The support 10 thus has a carabiner structure, allowing a grip of the reel 4 and a release of the branch 1 6 out of the housing 21 by action of the fingers of one hand, in a similar manner to the action of a hand on a carabiner. The coil 1 1 is pivotally engaged on the branch 1 6, so that its axis is substantially vertical when the reel 4 is suspended from the cable 3. It has a tubular extension 25 at its axial end, which is coaxial with it and which forms a body with it, and on the side opposite this extension 25, a cheek 26 having a lug 27 projecting radially outwards, as well as a tubular extension 28 coaxial with the tubular extension 25. As shown by Figures, the extension 25 is located in the upper part when the reel 4 is suspended, the cheek 26 and the lug 27 being therefore located in the lower part.
Il apparaît sur la figure 2 que, lorsque le fil 5 est relié au plant 6 et que le dévidoir 4 est suspendu au câble 3, les deux portions de fil 5 se trouvant immédiatement avant l'ergot 27 et immédiatement après cet ergot 27 forment un angle important en elles, de l'ordre de 90° . L'effort subi par le fil 5 s'exerce ainsi, en aval de l'ergot 27, selon une direction sensiblement parallèle à l'axe de la bobine 1 1 , ce qui a pour effet non seulement de retenir le fil 5 sur l'ergot 27 mais également de bloquer la rotation de la bobine 1 1 .It appears in FIG. 2 that, when the wire 5 is connected to the plant 6 and the reel 4 is suspended from the cable 3, the two portions of wire 5 lying immediately before the lug 27 and immediately after this lug 27 form a significant angle in them, of the order of 90 °. The force undergone by the wire 5 is thus exerted, downstream of the lug 27, in a direction substantially parallel to the axis of the coil 1 1, which has the effect not only of retaining the wire 5 on the 'pin 27 but also to block the rotation of the coil 1 1.
Le devidement d'une portion de fil 5 est rendu possible simplement en saisissant le dévidoir 4 et en l'inclinant de manière à faire échapper le fil 5 d'autour de l'ergot 27 et à effacer ainsi cet ergot du trajet de devidement de ce fil.The unwinding of a portion of wire 5 is made possible simply by grasping the reel 4 and tilting it so as to cause the wire 5 to escape from around the lug 27 and thus to erase this lug from the reeling path of This thread.
La saisie du dévidoir 4 fait qu'au moins deux doigts d'une main autres que le pouce viennent s'engager autour de l'extension 25, ainsi que le montre la figure 5, ce qui permet l'exercice facilité de frottements sur cette extension en vue de contrôler la vitesse de devidement du fil 5.Grasping the reel 4 causes at least two fingers of one hand other than the thumb to engage around the extension 25, as shown in FIG. 5, which allows the easy exercise of friction on this extension to control the wire feed speed 5.
Ces doigts facilitent en outre le dégagement de la branche 1 6 hors du logement 21 lors de l'accrochage du dévidoir, et son engagement une fois l'accrochage réalisé, ce qui facilite ces opérations de décrochage et d'accrochage, particulièrement lors du passage d'un pieu 3.These fingers also facilitate the release of the branch 1 6 out of the housing 21 during the attachment of the reel, and its engagement once the attachment has been made, which facilitates these operations of detachment and attachment, particularly during passage of a stake 3.
Les figures 3 et 4 montrent que la bobine peut comprendre un seul ergot 27 ou deux ergots 27, voire plus, répartis de manière régulière sur sa circonférence, afin de réduire l'incrément de devidement du fil 5.FIGS. 3 and 4 show that the spool can comprise a single lug 27 or two lugs 27, or even more, distributed regularly over its circumference, in order to reduce the increment of unwinding of the wire 5.
Ainsi qu'il apparaît de ce qui précède, l'invention fournit un dévidoir suspendu remédiant aux inconvénients des dévidoirs homologues de la technique antérieure, en ce sens qu'il remplit parfaitement ses fonctions tout en restant simple et facile à fabriquer et à assembler, et en ce qu'il permet un interchangement aisé de la bobine lorsque le fil est entièrement consommé, un contrôle aisé du devidement du fil et un franchissement aisé d'un pieu de support d'un câble de suspension.As appears from the above, the invention provides a hanging dispenser which overcomes the drawbacks of homologous dispensers of the prior art, in the sense that it perfectly fulfills its functions while remaining simple and easy to manufacture and assemble, and in that it allows an easy interchange of the reel when the wire is completely consumed, an easy control of the unwinding of the wire and an easy crossing of a support pile a suspension cable.
Il va de soi que l'invention n'est pas limitée à la forme de réalisation décrite ci-dessus à titre d'exemple mais qu'elle en embrasse au contraire toutes les variantes de réalisation couvertes par les revendications ci-annexées. It goes without saying that the invention is not limited to the embodiment described above by way of example, but on the contrary embraces all the variant embodiments covered by the claims appended hereto.

Claims

REVENDICATIONS
1 - Dévidoir destiné à être suspendu, notamment pour des cultures, comprenant un support (10) et une réserve de fil de suspension (5), cette réserve (1 1 ) étant délimitée par un flasque situé en partie intérieure lorsque le dévidoir est suspendu ; ce flasque présente un ergot (27) faisant saillie radialement vers l'extérieur, dimensionné de telle sorte que le fil de suspension (5) passe sur lui lorsque le dévidoir (4) est suspendu et que ce fil est relié à un objet tel qu'un plant cultivé (6), qu'il permet de suspendre ; dévidoir (4) caractérisé en ce que ladite réserve de fil est constituée par une bobine ( 1 1 ) montée rotative sur le support ( 10), cette bobine (1 1 ) étant disposée de telle sorte que son axe est sensiblement vertical lorsque le dévidoir (4) est suspendu, et comprenant ledit flasque. 2 - Dévidoir selon la revendication 1 , caractérisé en ce que la bobine (1 1 ) comprend au moins un ergot (27) de plus, les différents ergots (27) étant répartis de manière régulière sur la circonférence de la bobine ( 1 1 ).1 - Dispenser intended to be suspended, in particular for crops, comprising a support (10) and a reserve of suspension wire (5), this reserve (1 1) being delimited by a flange situated in the interior part when the dispenser is suspended ; this flange has a lug (27) projecting radially outwards, dimensioned so that the suspension wire (5) passes over it when the reel (4) is suspended and that this wire is connected to an object such as 'a cultivated plant (6), which it allows to suspend; reel (4) characterized in that said wire reserve consists of a spool (1 1) rotatably mounted on the support (10), this reel (1 1) being arranged so that its axis is substantially vertical when the reel (4) is suspended, and comprising said flange. 2 - Reel according to claim 1, characterized in that the coil (1 1) comprises at least one lug (27) in addition, the different lugs (27) being distributed evenly over the circumference of the coil (1 1) .
3 - Dévidoir selon la revendication 1 ou la revendication 2, caractérisé en ce que la bobine ( 1 1 ) présente une extension verticale (25), solidaire d'elle en rotation, notamment formant corps avec elle.3 - Reel according to claim 1 or claim 2, characterized in that the coil (1 1) has a vertical extension (25), integral with it in rotation, in particular forming a body with it.
4 - Dévidoir selon l'une des revendications 1 à 3, caractérisé en ce que le support (10) est réalisé sous forme d'une boucle fermée, présentant une branche supérieure ( 1 5), deux branches latérales (1 6, 1 7), dont une est rectiligne et forme le pivot de la bobine (1 1 ), et une branche inférieure (18) qui relie ces deux branches latérales ( 1 6, 1 7) ; la boucle est conformée de telle sorte que ses extrémités se trouvent, d'une part, au niveau de l'extrémité supérieure de ladite branche rectiligne (16) formant le pivot de la bobine (1 1 ) et, d'autre part, au niveau de l'extrémité de ladite branche supérieure (1 5) tournée vers cette branche rectiligne ( 1 6) .4 - Reel according to one of claims 1 to 3, characterized in that the support (10) is formed as a closed loop, having an upper branch (1 5), two side branches (1 6, 1 7 ), one of which is straight and forms the pivot of the coil (1 1), and a lower branch (18) which connects these two lateral branches (1 6, 1 7); the loop is shaped so that its ends are, on the one hand, at the upper end of said straight branch (16) forming the pivot of the coil (1 1) and, on the other hand, at level of the end of said upper branch (1 5) facing this straight branch (1 6).
5 - Dévidoir selon la revendication 4, caractérisé en ce que le support ( 10) est réalisé par pliage d'un fil métallique.5 - Reel according to claim 4, characterized in that the support (10) is made by bending a metal wire.
6 - Dévidoir selon la revendication 5, caractérisé en ce que la branche supérieure ( 1 5) comprend une boucle (20) en "V" inversé formant la zone de suspension du dévidoir (4) . 7 - Dévidoir selon la revendication 5 ou la revendication 6, caractérisé en ce que le fil métallique présente une élasticité, et en ce que la branche supérieure (15) forme un logement (21 ) de réception de la branche rectiligne (16), avec légère contrainte élastique du support (10), cette contrainte étant telle que cette branche rectiligne (16) reste normalement engagée, par rappel élastique, dans ledit logement (21 ). 6 - Reel according to claim 5, characterized in that the upper branch (1 5) comprises a loop (20) in inverted "V" forming the suspension zone of the reel (4). 7 - Reel according to claim 5 or claim 6, characterized in that the metal wire has an elasticity, and in that the upper branch (15) forms a housing (21) for receiving the straight branch (16), with slight elastic constraint of the support (10), this constraint being such that this rectilinear branch (16) normally remains engaged, by elastic return, in said housing (21).
PCT/FR2001/003084 2000-10-13 2001-10-05 Suspended spool, in particular for cultivated plants WO2002030176A1 (en)

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FR0013177A FR2815332B1 (en) 2000-10-13 2000-10-13 SUSPENDED FEEDER, ESPECIALLY FOR CROPS
FR00/13177 2000-10-13

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FR2870669A1 (en) * 2004-06-01 2005-12-02 Gilles Bruno Debat Tomato plant staking device, has reel with rigid body delimiting winding zone that freely unwinds free end section of stacking twine, when reel is positioned such that winding axis is inclined with respect to horizontal level
CN107646512A (en) * 2017-10-31 2018-02-02 深圳前海弘稼科技有限公司 Around climing machine

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NL2000684C2 (en) * 2007-06-06 2008-12-11 Fred Van Zijl Method and device for growing a crop.
NL2001051C2 (en) * 2007-10-08 2009-04-09 J K B Quak Beheer B V Crop guide for guiding plant i.e. egg plant, during cultivation of e.g. tomato, has suspension element for rotating spiral-shaped spindle during displacement along crop wire, where spindle moves plant downwards during rotation
NL1036264C2 (en) * 2008-12-02 2009-09-25 Karel Jan Schoenmaker Plant hook device for growing vegetable plant in greenhouse, has plant hook made of metallic material, and rope designed to hang plant, where plant hook is punched and bent
US9565808B2 (en) * 2012-03-23 2017-02-14 Pat King Portable plant support system
NL2010503C2 (en) * 2013-03-21 2014-09-24 Fico Holding B V CROP HOOK.

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2870669A1 (en) * 2004-06-01 2005-12-02 Gilles Bruno Debat Tomato plant staking device, has reel with rigid body delimiting winding zone that freely unwinds free end section of stacking twine, when reel is positioned such that winding axis is inclined with respect to horizontal level
CN107646512A (en) * 2017-10-31 2018-02-02 深圳前海弘稼科技有限公司 Around climing machine

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AU2001293961A1 (en) 2002-04-22
FR2815332B1 (en) 2003-01-17
FR2815332A1 (en) 2002-04-19
ES2246678B1 (en) 2007-02-01
ES2246678A1 (en) 2006-02-16

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