EP0011582A1 - Improvement in roller reefing systems - Google Patents

Improvement in roller reefing systems Download PDF

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Publication number
EP0011582A1
EP0011582A1 EP79420055A EP79420055A EP0011582A1 EP 0011582 A1 EP0011582 A1 EP 0011582A1 EP 79420055 A EP79420055 A EP 79420055A EP 79420055 A EP79420055 A EP 79420055A EP 0011582 A1 EP0011582 A1 EP 0011582A1
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EP
European Patent Office
Prior art keywords
mast
sail
boom
rope
tunnel
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Granted
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EP79420055A
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German (de)
French (fr)
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EP0011582B1 (en
Inventor
Pierre Ingouf
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LEISYSTEM SA
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LEISYSTEM SA
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Publication of EP0011582A1 publication Critical patent/EP0011582A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H9/00—Marine propulsion provided directly by wind power
    • B63H9/04—Marine propulsion provided directly by wind power using sails or like wind-catching surfaces
    • B63H9/08—Connections of sails to masts, spars, or the like
    • B63H9/10—Running rigging, e.g. reefing equipment
    • B63H9/1021—Reefing
    • B63H9/1042—Reefing by furling around or inside the boom

Definitions

  • the present invention relates to an improvement to devices making it possible to establish a sail as well as to adapt the surface of said sail to the force of the wind.
  • a boom as shown in fig. 1 is connected to the mast 2 by a universal joint 3 which occupies a relatively large space AB, from 15 to 25 cm. depending on the size of the boat.
  • the luff or luff cord 4 of the sail is engaged directly or by means of pegs in a luff tunnel 5 attached to the rear generator of the mast, but interrupted at C at 40 or 50 cm. above the boom to allow the sail to follow the boom's movements without the risk of tearing at the tack 6.
  • the edge 7 of the sail is also engaged in the boom tunnel. It can be stretched, that is to say stretched between its two ends formed by the tack point 6 and the listening point 8 to adapt the hollow of the sail to the force of the wind.
  • Fig. 2 highlights the defects inherent in such booms with conventional rollers.
  • the sail When the sail is wound by actuating the crank 9, it is wound on the cylindrical body of the boom, but also on the space AB occupied by the joint, space whose shape and orientation vary continuously depending on boom orientation.
  • the rolled sail cannot therefore be stretched in this zone, especially since the tack point reinforcement 10 (fig. 1) and especially the line of rope 4 generally very thick (15 to 20 mm) must be rolled. ).
  • the winding diameter therefore increases very quickly from one turn to the next, for example 30mm. per turn, if the rope is 15 mm. thick, while the winding diameter of the fall increases slightly, 2 mm. per turn, corresponding to the two thicknesses of fabric.
  • the sail furler produced according to the invention makes it possible to eliminate these defects and to obtain by simple winding a reduced sail as perfect as one could obtain by taking reefs.
  • the device for setting up, maintaining and winding a sail of the type comprising a mast, a boom connected to the mast by a cardan joint and associated with a rotation drive device and at least one headline tunnel established along at least one generator of the mast, is characterized in that it comprises, for the sliding and the maintenance of the sail rope, a rope tunnel extending between the top of the mast and the point of the boom closest to said mast but located outside the zone corresponding to the articulation of said boom on the mast.
  • Figs. 1 and 2 are side, partial, schematic views illustrating the technique prior to the invention.
  • Fig. 3 is a partial elevation showing the object of the invention.
  • Fig. 4 shows an embodiment of the subject of the invention
  • Figs. 5a to 5c illustrate phases of production of one of the elements according to the invention.
  • Fig, 6 is a section showing an advantage of the design of the object of the invention.
  • Figs. 7 and 8 illustrate two characteristic positions for winding a sail with the device of the invention.
  • Fig. 9 shows a second advantageous embodiment of the element of FIG. 4.
  • Fig. 10 is a sectional elevation showing another arrangement of the invention.
  • Fig. 11 is a cross section, on a larger scale, taken along the line XI-XI of FIG. 10.
  • Fig. 12 is a sectional elevation showing another characteristic of the invention.
  • the object of the invention (fig. 3) is to ensure that the area AB is located outside the winding area of the sail. To this end, it is provided, according to the invention, to tension the line of rope 4 no longer along the mast and against it, but directly between the halyard point D and the end of the boom 1 most near mast 2.
  • One possible embodiment consists in extending the mast 2 towards the rear by a triangle 13 carrying the tunnel 12 on its hypotenuse DB.
  • the tunnel 12 can naturally be made of any material (light alloy, plastic) and be connected to the mast by any means.
  • the triangle 13 can advantageously be articulated on the rear generator of the mast 2 and even be flexible to more easily follow the movements of the sail.
  • a particularly advantageous embodiment consists in making the triangle 13 with sailcloth.
  • Fig. 4 shows in section such an embodiment according to which the fabric triangle 13 is limited by a line of rope 4 introduced into the groove or tunnel 5 of the mast 2 and comprises on its opposite edge, the tunnel 12 in which the rope 15 flows sailing.
  • the ribbon thus prepared is completed by a second seam 18 parallel to the first and distant from the latter by a distance slightly greater than the diameter of the cord, for example, 5 to 7 mm. for a 0.5 mm cord. (fig. 5b)
  • the fabric of the sail is itself fully inserted between the two lips of the ribbon and assembled by a third seam 19 (fig 5c).
  • the direction in which the propeller develops, towards the mast or towards the opposite end of the boom, depends on the other hand on the angle made by the axis of the boom and the axis of the headline tunnel 13 at the start of winding.
  • this angle is slightly less than 90 °, the propeller develops towards the free end of the boom. If, on the contrary, it is greater than 90 °, the propeller develops towards the mast.
  • the propeller At the end of winding, if, for example, ten turns of winding with a 5 mm rope. have been carried out, the propeller will have developed over 50mm away from the mast and the headline cord leaving the tunnel 12 will join the last turn at a significant angle ⁇ , for example 20 to 30 °.
  • the boom 1 is then immobilized on its axis by any means, bolt, ratchet, brake, while the halyard is reheated to re-tension the luff of the sail.
  • the connecting means 13 between the mast and the new headline tunnel 12 is constituted by a fabric triangle
  • the textile triangle 13 is, in this case, bordered on the side of the sail by a cord 16a identical or analogous to the cord 16 which constitutes the headline of the sail (fig. 9)
  • the central channel 20 of the sheath carrying the two tunnels will advantageously be used to house a rope which, subject to the top of the mast, will support the weight of the tunnel 12 and of the connecting element 13.
  • the sail furler as just described, can operate using any of the known boom boom systems.
  • the boom 1, articulated to the mast 2 by means of a gimbal 3, can be driven by a simple crank 9 directly engaging the axis of the gimbal.
  • the drive is carried out by a notched pulley 21 fixed on the axis of the gimbal crossing the mast and driven by a reciprocating rope with return to the cockpit so as to centralize the maneuvers in the vicinity of the command post.
  • this problem can be resolved from the moment when the sail is wound without folds on the boom by the presence of the tunnel 12. Indeed, provision is made, according to FIGS. 10 and 11 to extend the part 3a of the articulation 3 so that it pivots freely in the bottom 25 of the boom 1. Beyond the bottom 25, the part 3a is extended by a screw 22 driving in translation, according to the boom axis, a slide 23 to which is connected a cable 24 passing at the end of the boom on a deflection pulley 26 to join the listening point eye 8 of the sail 11.
  • this lock is controlled automatically by the winding of the first turn of fabric.
  • the nut 23 is cut radially and axially to delimit a housing 28 of rectangular section having its counterpart 27a on the bearing 27.
  • a rectangular window 31 is formed in the wall of the boom for the passage of a latch 29 held by a spring leaf 30 so that in the position of rest it partly protrudes at least outside ten millimeters and at the same time releases the housings 27a and 28 .
  • the lock may possibly not come out spontaneously if it is stuck in its housing, but it will be released as soon as the cardan shaft is actuated in the direction of unrolling for the specific purpose of releasing - expensive the tension of the edge of the sail.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Tents Or Canopies (AREA)
  • Toys (AREA)

Abstract

Le système enrouleur de grand'voile comporte, pour le coulissement et le maintien de la ralingue (4) de voile (11), un tunnel de railingue (12) s'étendant entre le sommet (D) du mât (2) et le point (B) de la bôme (1) le plus proche dudit mât (2), mais situé en dehors de la zone correspondant à l'articulation (3) de ladite bôme sur le mât.The main roller furling system comprises, for the sliding and the maintenance of the sail rope (4) of sail (11), a railing tunnel (12) extending between the top (D) of the mast (2) and the point (B) of the boom (1) closest to said mast (2), but located outside the zone corresponding to the articulation (3) of said boom on the mast.

Description

La présente invention concerne un perfectionnement aux dispositifs permettant d'établir une voile ainsi que d'adapter la surface de ladite voile à la force du vent.The present invention relates to an improvement to devices making it possible to establish a sail as well as to adapt the surface of said sail to the force of the wind.

Pour réduire la surface d'une grand'voile et l'adapter à la force du vent, on utilise en général la technique de prise de ris. Un deuxième moyen consiste, après avoir relâché la drisse, à enrouler la voile autour d'une bôme à rouleau qu'on actionne avec une manivelle. Cette solution rapide et séduisante, autrefois très utilisée notamment sur les voiliers de course, a aujourd'hui pratiquement disparu au profit des systèmes de prise de ris qui permettent de réduire la surface de la voile en lui conservant une forme meilleure, donc plus efficace.To reduce the area of a mainsail and adapt it to the force of the wind, the reefing technique is generally used. A second way consists, after having released the halyard, to wind the sail around a boom with roller which one actuates with a crank. This fast and attractive solution, formerly widely used in particular on racing sailboats, has today practically disappeared in favor of reefing systems which make it possible to reduce the surface of the sail while preserving it a better, therefore more efficient shape.

L'examen du mécanisme d'une bôme à rouleau permet de comprendre la raison pour laquelle ce système déforme la voile beaucoup plus qu'une prise de ris classique.Examination of the mechanism of a roller boom allows us to understand the reason why this system distorts the sail much more than a conventional reefing.

Une bOme telle que représentée à la fig. 1 est reliée au mât 2 par une articulation à cardan 3 qui occupe un espace AB relativement important, de 15 à 25 cm. suivant la taille du bateau.A boom as shown in fig. 1 is connected to the mast 2 by a universal joint 3 which occupies a relatively large space AB, from 15 to 25 cm. depending on the size of the boat.

Le guindant ou cordon de ralingue 4 de la voile est engagé directement ou par l'intermédiaire de chevillots dans un tunnel de ralingue 5 fixé sur la génératrice arrière du màt, mais interrompu en C à 40 ou 50 cm. au-dessus de la bOme pour permettre à la voile de suivre les mouvements de la bOme sans risque de déchirures au point d'amure 6.The luff or luff cord 4 of the sail is engaged directly or by means of pegs in a luff tunnel 5 attached to the rear generator of the mast, but interrupted at C at 40 or 50 cm. above the boom to allow the sail to follow the boom's movements without the risk of tearing at the tack 6.

La bordure 7 de la voile est, elle aussi, engagée dans le tunnel de la bôme. Elle peut etre étarquée, c'est-à-dire tendue entre ses deux extrémités formées par le point d'amure 6 et le point d'écoute 8 pour adapter le creux de la voile à la force du vent.The edge 7 of the sail is also engaged in the boom tunnel. It can be stretched, that is to say stretched between its two ends formed by the tack point 6 and the listening point 8 to adapt the hollow of the sail to the force of the wind.

La fig. 2 met en évidence les défauts inhérents à de telles bômes à rouleau usuelles. Lorsqu'on enroule la voile en actionnant la manivelle 9, elle s'enroule sur le corps cylindrique de la bôme, mais également sur l'espace AB occupé par l'articulation, espace dont la forme et l'orientation varient continuellement en fonction de l'orientation de la bôme. La voile roulée ne peut donc pas etre tendue dans cette zone, d'autant qu'il faut rouler le renfort de point d'amure 10 ( fig. 1 ) et surtout le cordon de ralingue 4 généralement très épais (15 à 20 mm. ).Fig. 2 highlights the defects inherent in such booms with conventional rollers. When the sail is wound by actuating the crank 9, it is wound on the cylindrical body of the boom, but also on the space AB occupied by the joint, space whose shape and orientation vary continuously depending on boom orientation. The rolled sail cannot therefore be stretched in this zone, especially since the tack point reinforcement 10 (fig. 1) and especially the line of rope 4 generally very thick (15 to 20 mm) must be rolled. ).

Dans la zone proche du mat, le diamètre d'enroulement augmente donc très vite d'une spire à la suivante, par exemple 30mm. par tour, si la ralingue a 15 mm. d'épaisseur, tandis que le diamètre d'enroulement de la chute augmente lui, faiblement, 2 mm. par tour, correspondant aux deux épaisseurs de tissu.In the area close to the mast, the winding diameter therefore increases very quickly from one turn to the next, for example 30mm. per turn, if the rope is 15 mm. thick, while the winding diameter of the fall increases slightly, 2 mm. per turn, corresponding to the two thicknesses of fabric.

De ce fait,l'enroulement n'est plus cylindrique, mais fortement conique avec deux conséquences défavorables :

  • - l'extrémité de la bôme tombe progressivement vers le pont,
  • - la toile qui s'enroule sur ce mandrin conique est repoussée vers le mat avec, pour conséquence, la formation de plis et le creusement de la voile le long du mat. Cette déformation de la voile lui fait perdre son efficacité pour une navigation au près.
As a result, the winding is no longer cylindrical, but strongly conical with two unfavorable consequences:
  • - the end of the boom gradually falls towards the bridge,
  • - The fabric which is wound on this conical mandrel is pushed towards the mast with, as a consequence, the formation of folds and the digging of the sail along the mast. This deformation of the sail makes it lose its effectiveness for sailing upwind.

L'enrouleur de voile réalisé selon l'invention permet d'éliminer ces défauts et d'obtenir par simple enroulement une voile réduite aussi parfaite qu'on pourrait l'obtenir par la prise de risThe sail furler produced according to the invention makes it possible to eliminate these defects and to obtain by simple winding a reduced sail as perfect as one could obtain by taking reefs.

Conformément à l'invention, le dispositif pour la mise en place, le maintien et l'enroulement d'une voile du type comprenant un mât, une bôme reliée au mât par une articulation à cardan et associée à un dispositif d'entraînement en rotation et au moins un tunnel de ralingue établi le long d'au moins une génératrice du mât,
est caractérisé en ce qu'il comporte,pour le coulissement et le maintien de la ralingue de voile, un tunnel de ralingue s'étendant entre le sommet du mât et le point de la bôme le plus proche dudit mât mais situé en dehors de la zone correspondant à l'articulation de ladite bôme sur le mât.According to the invention, the device for setting up, maintaining and winding a sail of the type comprising a mast, a boom connected to the mast by a cardan joint and associated with a rotation drive device and at least one headline tunnel established along at least one generator of the mast,
is characterized in that it comprises, for the sliding and the maintenance of the sail rope, a rope tunnel extending between the top of the mast and the point of the boom closest to said mast but located outside the zone corresponding to the articulation of said boom on the mast.

Les figures suivantes permettent de préciser les caractéristiques et les détails de l'enrouleur de voile selon l'invention,The following figures make it possible to specify the characteristics and the details of the sail furler according to the invention,

Les fig. 1 et 2 sont des vues latérales, partielles, schématiques illustrant la technique antérieure à l'invention.Figs. 1 and 2 are side, partial, schematic views illustrating the technique prior to the invention.

La fig. 3 est une élévation partielle montrant l'objet de l'invention.Fig. 3 is a partial elevation showing the object of the invention.

La fig. 4 représente un mode de réalisation de l'objet de l'inventionFig. 4 shows an embodiment of the subject of the invention

Les fig. 5a à 5c illustrent des phases de réalisation de l'un des éléments selon l'invention.Figs. 5a to 5c illustrate phases of production of one of the elements according to the invention.

La fig, 6 est une coupe montrant un avantage de la conception de l'objet de l'invention.Fig, 6 is a section showing an advantage of the design of the object of the invention.

Les fig. 7 et 8 illustrent deux positions caractéristiques d'enroulement d'une voile avec le dispositif de l'invention.Figs. 7 and 8 illustrate two characteristic positions for winding a sail with the device of the invention.

La fig. 9 montre un deuxième mode avantageux de réalisation de l'élément de la fig. 4.Fig. 9 shows a second advantageous embodiment of the element of FIG. 4.

La fig. 10 est une coupe-élévation montrant une autre disposition de l'invention.Fig. 10 is a sectional elevation showing another arrangement of the invention.

La fig. 11 est une coupe transversale, à plus grande échelle, prise selon la ligne XI-XI de la fig. 10.Fig. 11 is a cross section, on a larger scale, taken along the line XI-XI of FIG. 10.

La fig. 12 est une coupe-élévation montrant une autre caractéristique de l'invention.Fig. 12 is a sectional elevation showing another characteristic of the invention.

Ainsi que cela a été exposé précédemment, le problème de l'enroulement de voile avec les bômes à rouleau traditionnelles naît de l'obligation d'enrouler la voile au niveau de l'articulation 3, c'est-à-dire dans la zone A-B occupée par cette dernière,As has been explained previously, the problem of winding the sail with traditional roller boom arises from the obligation to wind the sail at the level of the joint 3, that is to say in the area AB occupied by the latter,

Le but de l'invention ( fig. 3 ) est de faire en sorte que la zone AB soit située en dehors de la zone d'enroulement de la voile. A cette fin, il est prévu, selon l'invention, de tendre le cordon de ralingue 4 non plus le long du mat et contre celui-ci, mais directement entre le point de drisse D et l'extrémité de la bôme 1 la plus proche du mât 2.The object of the invention (fig. 3) is to ensure that the area AB is located outside the winding area of the sail. To this end, it is provided, according to the invention, to tension the line of rope 4 no longer along the mast and against it, but directly between the halyard point D and the end of the boom 1 most near mast 2.

Comme le cordon de ralingue 4 doit être soutenu, il faut pour ce faire rétablir un nouveau tunnel de ralingue 12 entre les points D et B et rattacher ce tunnel par des moyens appropriés au mât 2 lui- même.As the rope for the rope 4 must be supported, this requires re-establishing a new rope tunnel 12 between points D and B and connect this tunnel by appropriate means to the mast 2 itself.

Une réalisation possible, selon l'invention, consiste à prolonger le mât 2 vers l'arrière par un triangle 13 portant le tunnel 12 sur son hypoténuse DB.One possible embodiment, according to the invention, consists in extending the mast 2 towards the rear by a triangle 13 carrying the tunnel 12 on its hypotenuse DB.

Le tunnel 12 peut naturellement être constitué en n'importe quel matériau ( alliage léger, plastique ) et être relié au mât par n'importe quel moyen.The tunnel 12 can naturally be made of any material (light alloy, plastic) and be connected to the mast by any means.

Le triangle 13 peut avantageusement être articulé sur la génératrice arrière du mât 2 et même être souple pour suivre plus facilement les mouvements de la voile.The triangle 13 can advantageously be articulated on the rear generator of the mast 2 and even be flexible to more easily follow the movements of the sail.

Un mode de réalisation particulièrement avantageux consiste à réaliser le triangle 13 avec de la toile à voile. La fig. 4 montre en coupe une telle réalisation selon laquelle, le triangle de tissu 13 est limité par un cordon de ralingue 4 introduit dans la gorge ou tunnel 5 du mât 2 et comporte sur son bord opposé, le tunnel 12 dans lequel circule la ralingue 15 de la voile.A particularly advantageous embodiment consists in making the triangle 13 with sailcloth. Fig. 4 shows in section such an embodiment according to which the fabric triangle 13 is limited by a line of rope 4 introduced into the groove or tunnel 5 of the mast 2 and comprises on its opposite edge, the tunnel 12 in which the rope 15 flows sailing.

Pour constituer la ralingue 15, il est prévu le cordon 16 emprisonné dans un ruban de ralingue grace à une couture 17 très serrée contre lui de façon à ne laisser aucun jeu. ( fig. 5a )To constitute the headline 15, there is provided the cord 16 trapped in a headline ribbon by means of a seam 17 very tight against it so as to leave no play. (Fig. 5a)

Pour solidariser plus complètement le cordon et le ruban, il est avantageux d'enduire celui-ci avant couturé avec une colle à base d'élastomère.To secure the cord and the ribbon more completely, it is advantageous to coat the latter before stitching with an elastomer-based glue.

Le ruban ainsi confectionné est complété par une deuxième couture 18 parallèle à la première et éloignée de celle-ci d'une distance légèrement supérieure au diamètre du cordon, par exemple, 5 à 7 mm. pour un cordon de 0, 5 mm. ( fig. 5b )The ribbon thus prepared is completed by a second seam 18 parallel to the first and distant from the latter by a distance slightly greater than the diameter of the cord, for example, 5 to 7 mm. for a 0.5 mm cord. (fig. 5b)

Le tissu de la voile est lui-meme introduit à fond entre les deux lèvres du ruban et assemblé par une troisième couture 19 ( fig 5c).The fabric of the sail is itself fully inserted between the two lips of the ribbon and assembled by a third seam 19 (fig 5c).

L'expérience montre que l'enroulement de ce cordon de ralingue sur un mandrin cylindrique ( ou plus généralement de section constante ) s'effectue selon une hélice à spires jointives (fig. 6 ), la deuxième spire venant se loger automatiquement dans l'espace plus mince qui sépare les deux coutures 17 et 18 et qui est formé par deux épaisseurs de tissu seulement contre trois entre les coutures 18 et 19.Experience shows that the winding of this headline cord on a cylindrical mandrel (or more generally of constant section) takes place according to a helix with contiguous turns (fig. 6), the second turn coming to be housed automatically in the space more thin which separates the two seams 17 and 18 and which is formed by two thicknesses of fabric only against three between the seams 18 and 19.

Le sens dans lequel se développe l'hélice, vers le màt ou vers l'extrémité opposée de la bôme, dépend par contre de l'angle que fait l'axe de la bôme et l'axe du tunnel de ralingue 13 au début de l'enroulement.The direction in which the propeller develops, towards the mast or towards the opposite end of the boom, depends on the other hand on the angle made by the axis of the boom and the axis of the headline tunnel 13 at the start of winding.

Si cet angle est légèrement inférieu r à 90°, l'hélice se développe vers l'extrémité libre de la bôme. S'il est au contraire supérieur à 90°, l'hélice se développe vers le mât.If this angle is slightly less than 90 °, the propeller develops towards the free end of the boom. If, on the contrary, it is greater than 90 °, the propeller develops towards the mast.

En pratique, une balancine, frappée en bout de bôme, sera utile pour régler la valeur de cet angle légèrement en-dessous de 90°, de façon que l'hélice se développe vers l'extrémité libre de la bôme. En effet, l'hélice, en se développant dans cette direction, repousse légèrement le tissu vers l'extrémité libre de la borne, si bien que la chute de la voile peut s'enrouler librement sans contrainte comme représenté à la fig. 7.In practice, a swing, struck at the end of the boom, will be useful to adjust the value of this angle slightly below 90 °, so that the propeller develops towards the free end of the boom. Indeed, the propeller, developing in this direction, pushes the fabric slightly towards the free end of the terminal, so that the fall of the sail can be wound freely without constraint as shown in fig. 7.

En fin d'enroulement, si, par exemple, dix tours d'enroulement avec une ralingue de 5 mm. ont été effectués, l'hélice se sera développée sur 50mm en s'éloignant du mât et le cordon de ralingue sortant du tunnel 12 rejoindra la dernière spire sous un angle β important, par exemple 20 à 30°.At the end of winding, if, for example, ten turns of winding with a 5 mm rope. have been carried out, the propeller will have developed over 50mm away from the mast and the headline cord leaving the tunnel 12 will join the last turn at a significant angle β, for example 20 to 30 °.

L'enroulement terminé, la bôme 1 est alors immobilisée sur son axe par un moyen quelconque, verrou, rochet, frein, tandis qu'on rehisse la drisse pour ré-étarquer le guindant de la voile.The winding finished, the boom 1 is then immobilized on its axis by any means, bolt, ratchet, brake, while the halyard is reheated to re-tension the luff of the sail.

Pendant cette opération, -la traction exercée sur le cordon de ralingue ( fig. 8 ) tasse les spires enroulées qui se vissent en quelque sorte les unes sur les autres, à l'exception de la dernière qui, sollicitée en biais selon l'angle par la traction de la drisse, échappe par-dessus ses voisines pour revenir s'aligner sur l'axe du tunnel de ralingue 12.During this operation, the traction exerted on the line of the rope (fig. 8) closes the coiled turns which are sort of screwed on one another, with the exception of the last which, biased at an angle by pulling the halyard, escape over its neighbors to return to line up on the axis of the line rope tunnel 12.

Ce retour de la ralingue à l'aplomb du tunnel s'accompagne évidemment d'une traction sur lé tissu de la voile dans le sens de la flécher traction qui, s'exerçant le long de la bôme et vers le mât, a pour effet de retendre la bordure de la voile et d'aplatir sa base, c'est-à-dire de redonner à la voile partiellement roulée la forme idéale pour naviguer au près par vent fort.This return of the rope above the tunnel is obviously accompanied by a pull on the fabric of the sail in the direction of the arrow traction which, acting along the boom and towards the mast, has the effect of tightening the edge of the sail and flattening its base, that is to say giving the partially rolled sail the ideal shape to navigate upwind in strong winds.

Dans le cas où le moyen de liaison 13 entre le mât et le nouveau tunnel de ralingue 12 est constitué par un triangle de tissu, il peut être avantageux,pour former le tunnel 12, d'utiliser une gaine d'étai, à deux gorges opposées, couramment utilisée pour établir les focs sur l'étai d'un voilier. Le triangle textile 13 est, dans ce cas, bordé du côté de la voile par un cordon 16a identique ou analogue au cordon 16 qui constitue la ralingue de la voile ( fig. 9 )In the case where the connecting means 13 between the mast and the new headline tunnel 12 is constituted by a fabric triangle, it may be advantageous, to form the tunnel 12, to use a forestay sheath, with two grooves opposite, commonly used to establish jibs on the forestay of a sailboat. The textile triangle 13 is, in this case, bordered on the side of the sail by a cord 16a identical or analogous to the cord 16 which constitutes the headline of the sail (fig. 9)

Le terme " triangle " n'est pas limitatif. Il correspond seulement à l'exemple choisi pour illustrer l'invention. Il est bien évident que cet élément de liaison 13 peut prendre une forme quelconque, trapèze ou rectangle sans sortir du cadre de l'invention, pourvu que la nouvelle ralingue de voile 16 aboutisse sur la bôme en dehors de l'espace AB occupé par le mécanisme.The term "triangle" is not limitative. It only corresponds to the example chosen to illustrate the invention. It is obvious that this connecting element 13 can take any shape, trapezoid or rectangle without departing from the scope of the invention, provided that the new sail rope 16 ends on the boom outside the space AB occupied by the mechanism.

Le canal central 20 de la gaine portant les deux tunnels sera avantageusement utilisé pour loger un cordage qui, assujetti au sommet du màt, supportera le poids du tunnel 12 et de l'élément de liaisonl3.The central channel 20 of the sheath carrying the two tunnels will advantageously be used to house a rope which, subject to the top of the mast, will support the weight of the tunnel 12 and of the connecting element 13.

L'enrouleur de voile, tel qu'il vient d'être décrit, peut fonctionner en utilisant n'importe lequel des systèmes de bôme à rouleau déjà connu.The sail furler, as just described, can operate using any of the known boom boom systems.

Par exemple, la bôme 1, articulée au mât 2 par l'intermédiaire d'un cardan 3, peut etre entraînée par une simple manivelle 9 attaquant en prise directe l'axe du cardan.For example, the boom 1, articulated to the mast 2 by means of a gimbal 3, can be driven by a simple crank 9 directly engaging the axis of the gimbal.

Dans une forme plus élaborée, l'entraînement est réalisé par une poulie crantée 21 fixée sur l'axe du cardan traversant le mât et entraînée par un va-et-vient de cordage avec renvoi au cockpit de façon à centraliser les manoeuvres au voisinage du poste de commandement.In a more elaborate form, the drive is carried out by a notched pulley 21 fixed on the axis of the gimbal crossing the mast and driven by a reciprocating rope with return to the cockpit so as to centralize the maneuvers in the vicinity of the command post.

Avant de réduire la surface d'une voile, il faut nécessairement étarquer au maximum sa bordure.Before reducing the area of a sail, you must necessarily stretch its edge as much as possible.

Dans le cas où la réduction de voilure s'effectue par enroulement autour de la bôme, il serait intéressant de pouvoir confier à un seul mécanisme le soin d'assurer les deux fonctions : étarquage et en - roulement.In the case where the reduction of airfoil is carried out by winding around the boom, it would be advantageous to be able to entrust to a single mechanism the care of ensuring the two functions: stretching and rolling.

Selon un second aspect découlant de l'invention, ce problème peut être résolu à partir du moment où la voile s'enroule sans pli sur la bôme par la présence du tunnel 12. En effet, on prévoit, selon les fig. 10 et 11 de prolonger la partie 3a de l'articulation 3 pour qu'elle tourillonne librement dans le fond 25 de la bôme 1. Au-delà du fond 25, la partie 3a se prolonge par une vis 22 entrafnant en translation, selon l'axe de la bôme, un coulisseau 23 auquel est relié un câble 24 passant en bout de bôme sur une poulie de renvoi 26 pour rejoindre l'oeil de point d'écoute 8 de la voile 11.According to a second aspect arising from the invention, this problem can be resolved from the moment when the sail is wound without folds on the boom by the presence of the tunnel 12. Indeed, provision is made, according to FIGS. 10 and 11 to extend the part 3a of the articulation 3 so that it pivots freely in the bottom 25 of the boom 1. Beyond the bottom 25, the part 3a is extended by a screw 22 driving in translation, according to the boom axis, a slide 23 to which is connected a cable 24 passing at the end of the boom on a deflection pulley 26 to join the listening point eye 8 of the sail 11.

Lorsque l'écrou 23 est dévissé complètement, la bordure est détendue au maximum. Lorsqu'il se trouve au contraire vissé complètement au contact du siège 27 de la vis 22, la bordure est étarquée au maximum.When the nut 23 is completely unscrewed, the edge is relaxed to the maximum. On the contrary, when it is completely screwed in contact with the seat 27 of the screw 22, the edge is stretched to the maximum.

Dans cette position, si on continue à faire tourner l'axe de cardan, l'écrou-coulisseau 23 ne peut plus reculer et entraîne donc nécessairement la bôme dans son mouvement de rotation autour de l'axe, Il suffit de relâcher la drisse pour que ce mouvement se poursuive pour enrouler la voile.In this position, if we continue to rotate the gimbal axis, the slide nut 23 can no longer move back and therefore necessarily drives the boom in its rotational movement around the axis, simply release the halyard to let this movement continue to roll up the sail.

Par contre le ré-étarquage de la ralingue de grand' voile après enroulement, comme cela résulte de la fig. 8, tendra à desserrer l'écrou-coulisseau 23 qui devra être bloqué sur son siège au moyen d'un verrou facilement largable de l'extérieur.On the other hand, the re-stretching of the headline of the mainsail after winding, as results from FIG. 8, will tend to loosen the slide nut 23 which must be locked on its seat by means of a lock that can be easily released from the outside.

Selon l'invention, ce verrou est commandé automatiquement par l'enroulement du premier tour de tissu. Dans ce but, l'écrou 23 est entaillé radialement et axialement pour délimiter un logement 28 de section rectangulaire possédant son homologue 27a sur le palier 27. En regard de ce logement 28, une fenêtre rectangulaire 31 est ménagée dans la paroi de la bOme pour le passage d'un verrou 29 maintenu par une lame de ressort 30 de telle façon qu'en position de repos il fasse en partie au moins saillie à l'extérieur d'une dizaine de millimètres et dégage en même temps les logements 27a et 28.According to the invention, this lock is controlled automatically by the winding of the first turn of fabric. For this purpose, the nut 23 is cut radially and axially to delimit a housing 28 of rectangular section having its counterpart 27a on the bearing 27. Opposite this housing 28, a rectangular window 31 is formed in the wall of the boom for the passage of a latch 29 held by a spring leaf 30 so that in the position of rest it partly protrudes at least outside ten millimeters and at the same time releases the housings 27a and 28 .

Lorsque la voile commence à s'enrouler, elle écrase progressivement la lame de ressort 30 qu'elle applique au passage sur la paroi extérieure de la bôme. Ceci fait pénétrer le verrou 29 dans les logements 28 et 27a et rend ledit verrou solidaire de l'écrou 27.When the sail begins to roll up, it gradually crushes the leaf spring 30 which it applies to the passage on the outer wall of the boom. This causes the lock 29 to penetrate into the housings 28 and 27a and makes said lock integral with the nut 27.

Après avoir complètement déroulé la toile, le verrou pourra éventuellement ne pas ressortir spontanément s'il est resté coincé dans son logement, mais il se libérera dès qu'on actionnera l'arbre de cardan dans le sens du déroulement dans le but précis de relâ - cher la tension de la bordure de la voile.After having completely unrolled the fabric, the lock may possibly not come out spontaneously if it is stuck in its housing, but it will be released as soon as the cardan shaft is actuated in the direction of unrolling for the specific purpose of releasing - expensive the tension of the edge of the sail.

Grâce à cette combinaison des logements 26a et 28, du verrou 29 et du ressort 30, le verrouillage et le déverrouillage de la bôme sur l'arbre de cardan deviennent entièrement automatiques.Thanks to this combination of the housings 26a and 28, the latch 29 and the spring 30, the locking and unlocking of the boom on the cardan shaft becomes fully automatic.

Il est bien évident que la forme et la position du logement 28, du verrou 29 et du ressort 30 peuvent être modifiées à volonté sans sortir du cadre de l'invention aussi longtemps que la fermeture et l'ouverture du système de verrouillage ( verrou, clavette, rochet ) sont commandées par simple enroulement ou déroulement de la voile sur la périphérie de la bôme.It is obvious that the shape and the position of the housing 28, of the lock 29 and of the spring 30 can be modified at will without departing from the scope of the invention as long as the closing and opening of the locking system (lock, key, ratchet) are controlled by simple winding or unwinding of the sail on the periphery of the boom.

Claims (7)

1. - Dispositif pour la mise en place, le maintien, et l'enroulement d'une voile, du type comprenant un mat, une bôme reliée au mât par une articulation à cardan et associée à un dispositif d'entraînement en rotation et au moins un tunnel de ralingue établi le long d'au moins une génératrice du mât
caractérisé en ce qu'il comporte, pour le coulissement et le maintien de la ralingue de voile, un tunnel de ralingue s'étendant entre le sommet du mât et le point de la bôme le plus proche dudit mât mais situé en dehors de la zone correspondant à l'articulation de ladite bôme sur le mât.1. - Device for setting up, holding and winding a sail, of the type comprising a mast, a boom connected to the mast by a cardan joint and associated with a device for driving in rotation and least one line rope tunnel established along at least one generator of the mast
characterized in that it comprises, for the sliding and the maintenance of the sail rope, a rope tunnel extending between the top of the mast and the point of the boom closest to said mast but located outside the area corresponding to the articulation of said boom on the mast. 2. - Dispositif selon la revendication 1 caractérisé en ce que le tunnel de ralingue est relié au mât par un organe de liaison couvrant la surface délimitée entre ledit mât et le tunnel de ralingue.2. - Device according to claim 1 characterized in that the rope tunnel is connected to the mast by a connecting member covering the surface defined between said mast and the rope tunnel. 3. - Dispositif selon la revendication 1 ou 2 caractérisé en ce que l'organe de liaison est constitué par un prolongement du mat.3. - Device according to claim 1 or 2 characterized in that the connecting member is constituted by an extension of the mat. 4. - Dispositif selon la revendication 1 ou 2 caractérisé en ce que l'organe de liaison est constitué par une pièce montée par ralingue et étarquée sur le mât et portant le tunnel de ralingue de la voile,4. - Device according to claim 1 or 2 characterized in that the connecting member is constituted by a part mounted by luff and stretched on the mast and carrying the luff tunnel of the sail, 5. - Dispositif selon la revendication 4 caractérisé en ce que l'organe de liaison est constitué par une pièce dont le bord opposé au mât est associé à un tunnel de ralingue à double gorge.5. - Device according to claim 4 characterized in that the connecting member is constituted by a part whose edge opposite the mast is associated with a rope rope double groove. 6. - Dispositif selon la revendication 1 caractérisé en ce qu'il comprend un tunnel de- ralingue pour le montage, le guidage et le coulissement du cordon de ralingue de la voile, lequel est relié à ladite voile par une piste légèrement plus large que le cordon lui-meme et d'épaisseur inférieure à la zone d'assemblage avec la voile.6. - Device according to claim 1 characterized in that it comprises a tunnel headline for mounting, guiding and sliding the headline cord of the sail, which is connected to said sail by a track slightly wider than the cord itself and of thickness less than the area of assembly with the sail. 7. - Dispositif selon la revendication 1 caractérisé en ce qu'il comprend : - un tunnel de ralingue s'étendant entre le sommet du mât et le point de la bôme situé en dehors de l'articulation, - un tourillon formé par l'articulation et traversant librement l'extrémité correspondante de la bôme à l'intérieur de laquelle il se prolonge, au-delà d'un siège de butée, par une vis coopérant en permanence avec un écrou guidé retenant l'extrémité d'un cordage, par ailleurs, accroché au point d'écoute de la voile, ledit siège et l'écrou offrant à leur périphérie deux logements, destinés, lorsqu'ils sont alignés, à recevoir un verrou porté par une branche élastique de rappel et sollicitée en flexion, dans le sens d'engagement du verrou dans les logements, par l'enroulement de la voile sur la bôme. 7. - Device according to claim 1 characterized in that it comprises: - a rope tunnel extending between the top of the mast and the point of the boom located outside the joint, - a pin formed by the articulation and freely crossing the corresponding end of the boom inside from which it is extended, beyond an abutment seat, by a screw cooperating permanently with a guided nut retaining the end of a rope, moreover, attached to the point of listening to the sail, said seat and the nut offering at their periphery two housings, intended, when they are aligned, to receive a lock carried by an elastic return branch and subjected to bending, in the direction of engagement of the lock in the housings, by the winding of the sail on the boom.
EP79420055A 1978-11-07 1979-11-06 Improvement in roller reefing systems Expired EP0011582B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7832049A FR2440870A1 (en) 1978-11-07 1978-11-07 IMPROVEMENT IN LARGE SAILING WINDING SYSTEMS
FR7832049 1978-11-07

Publications (2)

Publication Number Publication Date
EP0011582A1 true EP0011582A1 (en) 1980-05-28
EP0011582B1 EP0011582B1 (en) 1983-04-13

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ID=9214821

Family Applications (1)

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EP79420055A Expired EP0011582B1 (en) 1978-11-07 1979-11-06 Improvement in roller reefing systems

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US (1) US4324192A (en)
EP (1) EP0011582B1 (en)
JP (1) JPS562290A (en)
AU (1) AU530597B2 (en)
DE (1) DE2965219D1 (en)
FR (1) FR2440870A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0229675A2 (en) 1986-01-17 1987-07-22 Sailtainer DK A/S Rig for a sail carrying boat
FR2609273A1 (en) * 1987-01-05 1988-07-08 Monti Michel Mainsail winder
FR2621882A1 (en) * 1987-10-19 1989-04-21 Maillard Michel Winder boom with axial displacement for winding the bolt rope in adjoining turns
EP0649786A2 (en) * 1993-10-22 1995-04-26 Jörg Mössnang Reefing system by furling around the boom
US5632215A (en) * 1993-10-22 1997-05-27 Moessnang; Joerg Roller reefing boom system
NL1004933C2 (en) * 1997-01-06 1998-07-08 Marcus Claudius Kickert Furling system for the mainsail of a sailing boat.
FR2979326A1 (en) * 2011-08-31 2013-03-01 Pescavel Rig for catamaran sailing boat i.e. fishing catamaran type sailing boat, has boom including turntable that is attached at pivot point, shaft rotatably mounted with respect to coil unit, and receiving unit guiding guiding-parts

Families Citing this family (11)

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Publication number Priority date Publication date Assignee Title
FR2515137B1 (en) * 1981-10-23 1985-12-20 Maurin Suzanne SAILING DEVICE AND STORAGE DEVICE
DE3365734D1 (en) * 1982-11-29 1986-10-02 George Spanopoulos Roller boom reefing and hoisting of a sail
US4449468A (en) * 1983-05-19 1984-05-22 Schulz Marine Systems, Inc. Adjustable roller furling spar
US4526122A (en) * 1984-03-08 1985-07-02 Kluckhuhn Fred H Load distribution and anti-sag means for luff furling sails
IT1198972B (en) * 1984-11-30 1988-12-21 Fabio Perini SYSTEM FOR MODIFYING THE PROFILE OF A WINDING SAIL FOR REDUCING THE SURFACE
IT1201331B (en) * 1985-07-23 1989-01-27 Fabio Perini SAIL EQUIPMENT WITH FAIRING, SIMPLE AND EASY TO DISASSEMBLE
US4723499A (en) * 1985-08-19 1988-02-09 Bernard Furgang Furling system for sailboats
EP0240518A1 (en) * 1985-09-25 1987-10-14 HUTTON, Paul Joseph Reefing or furling boom
US4905922A (en) * 1988-04-25 1990-03-06 Marc Caillon Device for rotating a rolling-up/unrolling support, especially for a rolling-up/unrolling tube for a nautical sail
EP2014548B1 (en) * 2007-07-11 2012-02-22 Harken Italy S.p.A. Device for actuating sheets of sailing boats
US9783276B2 (en) 2015-09-10 2017-10-10 Stephen Colgan Clement Sailing furler and method

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GB639062A (en) * 1947-09-02 1950-06-21 Desmond Walter Molins Improvements in or relating to mainsails
US3132620A (en) * 1960-01-11 1964-05-12 Andrew T Court Sailboat
FR1488432A (en) * 1966-06-03 1967-07-13 Mainsail hollow adjustment device for sailboats and more especially competition sailboats
FR2236723A1 (en) * 1973-07-10 1975-02-07 Greze Andre Sailing boat with lower boom for sail - boom rotates to roll up sail and can revolve around the mast
FR2243862A1 (en) * 1973-09-18 1975-04-11 Bernard Bernard

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0229675A2 (en) 1986-01-17 1987-07-22 Sailtainer DK A/S Rig for a sail carrying boat
EP0229675A3 (en) * 1986-01-17 1988-02-10 Mp-Sejl A/S Rig for a sail carrying boat
US4811677A (en) * 1986-01-17 1989-03-14 Mp-Sejl A/S Rig for a sail carrying boat
FR2609273A1 (en) * 1987-01-05 1988-07-08 Monti Michel Mainsail winder
FR2621882A1 (en) * 1987-10-19 1989-04-21 Maillard Michel Winder boom with axial displacement for winding the bolt rope in adjoining turns
EP0649786A2 (en) * 1993-10-22 1995-04-26 Jörg Mössnang Reefing system by furling around the boom
EP0649786A3 (en) * 1993-10-22 1995-07-05 Joerg Moessnang Reefing system by furling around the boom.
US5632215A (en) * 1993-10-22 1997-05-27 Moessnang; Joerg Roller reefing boom system
NL1004933C2 (en) * 1997-01-06 1998-07-08 Marcus Claudius Kickert Furling system for the mainsail of a sailing boat.
WO1998030442A1 (en) 1997-01-06 1998-07-16 Marcus Claudius Kickert Rolling reef system for the mainsail of a sailing vessel
FR2979326A1 (en) * 2011-08-31 2013-03-01 Pescavel Rig for catamaran sailing boat i.e. fishing catamaran type sailing boat, has boom including turntable that is attached at pivot point, shaft rotatably mounted with respect to coil unit, and receiving unit guiding guiding-parts

Also Published As

Publication number Publication date
DE2965219D1 (en) 1983-05-19
US4324192A (en) 1982-04-13
FR2440870B1 (en) 1981-10-16
EP0011582B1 (en) 1983-04-13
AU5256679A (en) 1980-05-15
AU530597B2 (en) 1983-07-21
FR2440870A1 (en) 1980-06-06
JPS562290A (en) 1981-01-10

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