EP0213034A1 - Boom with self-clamping fork - Google Patents

Boom with self-clamping fork Download PDF

Info

Publication number
EP0213034A1
EP0213034A1 EP86401751A EP86401751A EP0213034A1 EP 0213034 A1 EP0213034 A1 EP 0213034A1 EP 86401751 A EP86401751 A EP 86401751A EP 86401751 A EP86401751 A EP 86401751A EP 0213034 A1 EP0213034 A1 EP 0213034A1
Authority
EP
European Patent Office
Prior art keywords
mast
wishbone
branches
end piece
shaped part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP86401751A
Other languages
German (de)
French (fr)
Inventor
Christian Daquin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LE PROFIL
Original Assignee
LE PROFIL
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 LE PROFIL filed Critical LE PROFIL
Publication of EP0213034A1 publication Critical patent/EP0213034A1/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H8/00—Sail or rigging arrangements specially adapted for water sports boards, e.g. for windsurfing or kitesurfing
    • B63H8/20—Rigging arrangements involving masts, e.g. for windsurfing
    • B63H8/22—Rigging arrangements involving masts, e.g. for windsurfing for connecting wishbones to the mast

Definitions

  • the present invention relates to a double boom, commonly called wishbone, comprising a self-locking tip, in particular for windsurfing.
  • the wishbone On windsurfing, or any other sailing machine equipped with a wishbone, it generally consists of two branches joined by a front end (or handle) and by a rear end (or handle). According to all known systems, the wishbone bypasses the mast and it is fixed to the latter by means of a cord going around the mast (twice) and of which one end comprising a knot this capstan is engaged in a hole provided in the 'front end of the wishbone and the other is engaged in a cleat carried by a wishbone arm.
  • the invention therefore relates to a wishbone characterized in that it comprises a front end com carrying a substantially U-shaped wall whose bottom is intended to be supported on the mast from the outside of the boom and whose branches are tightened on the mast by reaction to the stretching of the listening point of the sail.
  • the front end piece according to the invention forms a self-locking pincer on the mast.
  • the U-shaped part of the front end piece is a half-ring, of substantially semi-cylindrical shape. This half-ring can be usefully flared in order to receive masts of different diameters.
  • the front end piece On the outer edges of the half-ring, the front end piece includes two supports for fixing to the branches of the wishbone, for example by means of two shouldered cylindrical elements, intended to be engaged in the branches of the wishbone. And for this purpose forming a angle substantially equal to the angle formed by the two branches at the front of the wishbone at rest.
  • the intermediate part of the front end piece, between the branches of the U-shape and the fixing supports, may include recesses facilitating the folding of the front end piece under tension and allowing better clamping of the mast.
  • the inner surface of the U-shaped part, in contact with the mast, can advantageously include a layer of elastic, non-slip material, allowing better grip of the mast.
  • the front end can be made of all kinds of materials, in particular metal (stainless steel, aluminum or its alloys) or resistant plastic (thermosetting resins such as urea / formaldehyde or polyolefins, etc ...) reinforced.
  • metal stainless steel, aluminum or its alloys
  • resistant plastic thermosetting resins such as urea / formaldehyde or polyolefins, etc .
  • the axes of the articulations are preferably metallic.
  • the front end piece may comprise, at the front of the supports, two cleat cleats formed in the mass and four holes, making it possible to receive a safety end going around the mast from the front, this device however not being necessary in the context of the invention.
  • the front wishbone end cap (or front handle) shown in Figs. 1A and 1B comprises a part 1 substantially in the shape of a U, the bottom of which is intended to be in abutment on the mast from the outside of the boom and whose branches tighten on the mast by reaction to the stretching of the listening point of the sail.
  • This part 1 is a half-ring of substantially semi-cylindrical shape (about 5 cm high, for example) intended to engage the mast and forming self-locking pincers on the latter by reaction to the action of tugging of the sail. .
  • the front end piece comprises two supports 2 for fixing the wishbone by means of two shouldered cylindrical elements 3 which can be engaged in the tubes of the branches of the wishbone and forming substantially the same angle.
  • the entire front end piece is for example made of polypropylene and has, at the front, supports 2, two cleat cleats 4 made in the mass and four holes 5 intended to receive a safety end, allowing the wishbone to be attached around the mast.
  • the wishbone deforms by widening. This deformation is transmitted to the jaws formed by the branches of the half-ring 1 which return inwards, producing a pincer effect on the mast. The greater the tension, the more effective the clamping on the mast.
  • the mast is threaded into the sail sleeve as far as the wishbone location window, the latter is placed in the normal navigation position, the self-locking front handle according to the invention is positioned at the desired height and the sail.
  • the self-locking device according to the invention ensures optimum efficiency by avoiding disturbances of the laminar flow for a minimum weight and allows perfect blocking of the whole rigging easily and quickly.
  • the lateral blocking makes it possible to maintain the plane of the wishbone perpendicular to the axis of the mast and eliminates the lateral oscillating movements of the wishbone, in particular during the maneuvers.
  • the intermediate part of the front end piece shown in FIGS. 2A and 28, between the branches of the U-shape and the fixing supports, has on each side two recesses 6 facilitating the folding of the front end under tension (Fig. 28) and allowing better clamping of the mast 7.
  • the inner surface of the U-shaped part in contact with the mast comprises a layer 8 of elastic non-slip material, for example plastic foam.
  • the front end piece includes two articulated elements abutments 9 forming a clamp, each of the elements 9 comprising, on the one hand, an articulation 10 with the edge of the U-shaped part 1 and, on the other hand, an articulation 11 with the fixing support; thus, during the stretching of the listening point of the sail, the articulated elements 9 pushed by the branches of the wishbone, close on the mast (Fig. 3B).
  • Part 1 which is substantially semi-cylindrical, can for example be made of stainless steel.
  • the part 1 substantially U-shaped has a hinge 12 in the middle; the ends of the branches include a rounded 13 inward to better grip the mast; this arrangement also allows the use of more solid materials, in particular metals.
  • each of the branches of the U-shaped part 1 has an articulation 10 with the adjacent fixing support 2;
  • the U-shaped part is made of flexible material (plastic or thin steel), allowing the U-shaped part 1 to better match the shape of the mast 7 by folding (Fig. 5B).
  • front handle according to the invention can be adapted to any type of wishbone without departing from the scope of the invention.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Toys (AREA)
  • Emergency Lowering Means (AREA)

Abstract

Boom comprising a front fork having a part (1) that is substantially in the shape of a U whose base is intended to bear against the mast outside the boom, and whose arms close about the mast in reaction to the stretching of the clew of the sail. In this way the front fork according to the invention forms a self-clamping pincer upon the mast. Sailing. <IMAGE>

Description

La présente invention a pour objet une double bôme, appelée communément wishbone, comportant un embout auto-bloquant, notamment pour planche à voile.The present invention relates to a double boom, commonly called wishbone, comprising a self-locking tip, in particular for windsurfing.

Sur la planche à voile, ou tout autre engin a voile équipé d'un wishbone, celui-ci est généralement constitué de deux branches réunies par un embout (ou poignée) avant et par un embout (ou poignée) arrière. Selon tous les système connus, le wishbone contourne le mat et il est fixé à ce dernier au moyen d'un cordage faisant le tour du mat (deux fois) et dont une extrémité comportant un noeud ce cabestan est engagé dans un trou prévu dans l'embout avant du wishbone et l'autre est engagé dans un taquet coinceur porté par un bras de wishbone.On windsurfing, or any other sailing machine equipped with a wishbone, it generally consists of two branches joined by a front end (or handle) and by a rear end (or handle). According to all known systems, the wishbone bypasses the mast and it is fixed to the latter by means of a cord going around the mast (twice) and of which one end comprising a knot this capstan is engaged in a hole provided in the 'front end of the wishbone and the other is engaged in a cleat carried by a wishbone arm.

Ainsi le mode de fixation du wishbone au mat rend très difficile le réglage de sa position sur le mat, réglage qui est nécessaire pour l'adapter à la taille de l'utilisateur ou aux conditions du vent et des vagues. Selon EP-A-102 669 on a proposé d'insérer un élément en forme de V entre le mât et l'embout avant du wishbone, élément qui est destiné à enserrer le mat lors de l'étarquage de la voile. Il s'agit toutefois d'un système où le wishbone ne fait jamais directement corps avec le mat et peut pivoter dans le sens vertical, de sorte qu'il ne peut faire un angle constant avec le mat. De plus, comme dans les systèmes traditionnels, le wishbone contourne le mât, ce qui rend son montage et démontage malaisé.Thus the method of fixing the wishbone to the mast makes it very difficult to adjust its position on the mast, an adjustment which is necessary to adapt it to the size of the user or to wind and wave conditions. According to EP-A-102 669, it has been proposed to insert a V-shaped element between the mast and the front end of the boom, an element which is intended to grip the mast when the sail is drawn up. However, this is a system where the wishbone is never directly integrated with the mast and can rotate vertically, so that it cannot make a constant angle with the mast. In addition, as in traditional systems, the wishbone bypasses the mast, which makes its assembly and disassembly difficult.

On a maintenant trouvé un dispositif dans lequel le wishbone ne contourne pas le mât, ce qui simplifie considérablement son emploi.We have now found a device in which the wishbone does not bypass the mast, which considerably simplifies its use.

L'invention a donc pour objet un wishbone caractérisé en ce qu'il comprend un embout avant comportant une paroi sensiblement en forme de U dont le fond est destiné à être en appui sur le mât par l'extérieur du wishbone et dont les branches se resserrent sur le mât par réaction à l'étarquage du point d'écoute de la voile. Ainsi l'embout avant selon l'invention forme une tenaille autobloquante sur le mât.The invention therefore relates to a wishbone characterized in that it comprises a front end com carrying a substantially U-shaped wall whose bottom is intended to be supported on the mast from the outside of the boom and whose branches are tightened on the mast by reaction to the stretching of the listening point of the sail. Thus the front end piece according to the invention forms a self-locking pincer on the mast.

Selon une forme de réalisation, la partie en forme de U de l'embout avant est une demi-bague, de forme sensiblement hémicylindrique. Cette demi-bague peut être utilement évasée afin de recevoir des mâts de diamètres différents.According to one embodiment, the U-shaped part of the front end piece is a half-ring, of substantially semi-cylindrical shape. This half-ring can be usefully flared in order to receive masts of different diameters.

Sur les bords extérieurs de la demi-bague, l'embout avant comporte deux supports de fixation aux branches du wishbone, par exemple au moyen de deux éléments cylindriques épaulés, destinés à être engagés dans les branches du wishbone.et formant à cette fin un angle sensiblement égal à l'angle formé par les deux branches à l'avant du wishbone au repos.On the outer edges of the half-ring, the front end piece includes two supports for fixing to the branches of the wishbone, for example by means of two shouldered cylindrical elements, intended to be engaged in the branches of the wishbone. And for this purpose forming a angle substantially equal to the angle formed by the two branches at the front of the wishbone at rest.

La partie intermédiaire de l'embout avant, entre les branches de la forme en U et les supports de fixation, peut comporter des évidements facilitant le pliage de l'embout avant sous tension et permettant un meilleur enserrement du mât. On peut utilement prévoir deux évidements de chaque côté de l'embout avant.The intermediate part of the front end piece, between the branches of the U-shape and the fixing supports, may include recesses facilitating the folding of the front end piece under tension and allowing better clamping of the mast. One can usefully provide two recesses on each side of the front end.

La surface intérieure de la partie en forme de U, en contact avec le mât, peut avantageusement comporter une couche de matériau élastique, anti-dérapante, permettant une meilleure prise du mât.The inner surface of the U-shaped part, in contact with the mast, can advantageously include a layer of elastic, non-slip material, allowing better grip of the mast.

Selon d'autres variantes :

  • - l'embout avant comprend deux éléments articulés formant pince, chacun des éléments comportant, d'une part, une articulation avec le bord de la partie en forme de U et, d'autre part, une articulation avec le support de fixation ; ainsi, lors de l'étarquage du point d'écoute de la voile, les éléments articulés, poussés par les branches du wishbone, se referment sur le mât ;
  • - la partie enforme de U comporte une articulation en son milieu ; ainsi l'embout avant forme une pince dont les deux branches se referment lors de l'étarquage du point d'écoute de la voile ; selon cette réalisation, l'extrémité des branches comprend utilement un arrondi vers l'intérieur afin de mieux saisir le mât ; cet agencement permet aussi l'utilisation de matériaux plus solides ;
  • - l'extrémité de chacune des branches de la partie en forme de U comporte une articulation avec le support de fixation adjacent ; cet agencement est plus avantageux si la partie en forme de U est réalisée en matériau souple (plastique ou acier mince), permettant à la partie en forme de U de mieux épouser la forme du mât par pliage.
According to other variants:
  • - The front end piece comprises two articulated elements forming a clamp, each of the elements comprising, on the one hand, an articulation with the edge of the U-shaped part and, on the other hand, an articulation with the fixing support; so when stretching the point of listening to the sail, the articulated elements, pushed by the branches of the wishbone, close on the mast;
  • - The shaped part of U has a hinge in the middle; the front end thus forms a clamp, the two branches of which close during the stretching of the point of listening to the sail; according to this embodiment, the end of the branches usefully includes a rounded inward to better grip the mast; this arrangement also allows the use of more solid materials;
  • - The end of each of the branches of the U-shaped part has an articulation with the adjacent fixing support; this arrangement is more advantageous if the U-shaped part is made of flexible material (plastic or thin steel), allowing the U-shaped part to better match the shape of the mast by folding.

L'embout avant peut être réalisé en toutes sortes de matériaux, notamment en métal (acier inoxydable, aluminium ou ses alliages) ou en matière plastique résistante (résines thermodurcissables tel que du type urée/formol ou en polyoléfines, etc...) éventuellement renforcée. Dans les variantes comportant des éléments articulés, les axes des articulations sont de préférence métalliques.The front end can be made of all kinds of materials, in particular metal (stainless steel, aluminum or its alloys) or resistant plastic (thermosetting resins such as urea / formaldehyde or polyolefins, etc ...) reinforced. In the variants comprising articulated elements, the axes of the articulations are preferably metallic.

L'embout avant peut comporter, à l'avant des supports, deux taquets coinceurs ménagés dans la masse et quatre trous, permettant de recevoir un bout de sécurité faisant le tour du mât par l'avant, ce dispositif n'étant toutefois pas nécessaire dans le cadre de l'invention.The front end piece may comprise, at the front of the supports, two cleat cleats formed in the mass and four holes, making it possible to receive a safety end going around the mast from the front, this device however not being necessary in the context of the invention.

D'autres avantages de l'invention apparai- tront à la lecture de la description suivante en regard des dessins annexés sur lesquels :

  • - les Fig. 1A et 18 représentent schématiquement une réalisation de l'embout avant de wishbone selon l'invention, vu respectivement de dessus et de côté ;
  • - les Fig. 2A et 2B représentent une autre réalisation de l'embout avant vu du dessus, respectivement en position ouverte et en position fermée sur le mât ;
  • - les Fig. 3A et 38 représentent une autre réalisation de l'embout avant vu du dessus, respectivement en position ouverte et en position fermée sur le mât;
  • - la Fig. 4 représente une autre réalisation de l'embout avant vu du dessus, en position fermée ;
  • - les Fig. 5A et 5B représentent une autre réalisation de l'embout avant vu du dessus, respectivement en position ouverte et en position fermée sur le mât ;
Other advantages of the invention will appear on reading the following description in look at the attached drawings in which:
  • - Figs. 1A and 18 schematically show an embodiment of the front end of the boom according to the invention, seen from above and from the side;
  • - Figs. 2A and 2B represent another embodiment of the front end seen from above, respectively in the open position and in the closed position on the mast;
  • - Figs. 3A and 38 show another embodiment of the front end seen from above, respectively in the open position and in the closed position on the mast;
  • - Fig. 4 shows another embodiment of the front end seen from above, in the closed position;
  • - Figs. 5A and 5B show another embodiment of the front end seen from above, respectively in the open position and in the closed position on the mast;

L'embout avant de wishbone (ou poignée avant) représenté sur les Fig. 1A et 1B comporte une partie 1 sensiblement en forme de U dont le fond est destiné à être en appui sur le mât par l'extérieur du wishbone et dont les branches se resserrent sur le mât par réaction à l'étarquage du point d'écoute de la voile.. Cette partie 1 est une demi-bague de forme sensiblement hémicylindrique (environ 5 cm haut, par exemple) destinée à engager le mât et formant tenaille autobloquante sur ce dernier par réaction à l'action d'étarquage de la voile. Sur les bords extérieurs de la demi-bague 1, l'embout avant comporte deux supports 2 de fixation du wishbone au moyen de deux éléments cylindriques épaulés 3 pouvant être engagés dans les tubes des branches du wishbone et formant sensiblement le même angle. L'ensemble de l'embout avant est par exemple en polypropylène et comporte, à l'avant des supports 2, deux taquets coinceurs 4 ménagés dans la masse et quatre trous 5 destinés à recevoir un bout de sécurité, permettant d'attacher le wishbone autour du mât. Sous l'effet de l'étarquage de la voile, le wishbone se déforme en s'élargissant. Cette déformation se transmet aux mâchoires formées par les branches de la demi-bague 1 qui rentrent vers l'intérieur en produisant un effet tenaille sur le mât. Plus la tension est grande, plus le serrage sur le mât est efficace.The front wishbone end cap (or front handle) shown in Figs. 1A and 1B comprises a part 1 substantially in the shape of a U, the bottom of which is intended to be in abutment on the mast from the outside of the boom and whose branches tighten on the mast by reaction to the stretching of the listening point of the sail. This part 1 is a half-ring of substantially semi-cylindrical shape (about 5 cm high, for example) intended to engage the mast and forming self-locking pincers on the latter by reaction to the action of tugging of the sail. . On the outer edges of the half-ring 1, the front end piece comprises two supports 2 for fixing the wishbone by means of two shouldered cylindrical elements 3 which can be engaged in the tubes of the branches of the wishbone and forming substantially the same angle. The entire front end piece is for example made of polypropylene and has, at the front, supports 2, two cleat cleats 4 made in the mass and four holes 5 intended to receive a safety end, allowing the wishbone to be attached around the mast. Under the effect of the stretching of the sail, the wishbone deforms by widening. This deformation is transmitted to the jaws formed by the branches of the half-ring 1 which return inwards, producing a pincer effect on the mast. The greater the tension, the more effective the clamping on the mast.

Dans la pratique on enfile le mât dans le fourreau de voile jusqu'à la fenêtre d'emplacement du wishbone, on place ce dernier en position normale de navigation, on positionne la poignée avant autobloquante selon l'invention à hauteur désirée et on étarque la voile. Le dispositif autobloquant selon l'invention assure un rendement optimum en évitant les perturbations de l'écoulement laminaire pour un poids minimum et permet un blocage parfait de l'ensemble du gréement de manière facile et rapide. De plus, le blocage latéral permet de maintenir le plan du wishbone perpendiculairement à l'axe du mât et supprime les mouvements d'oscillation latéraux du wishbone, en particulier lors des manoeuvres.In practice, the mast is threaded into the sail sleeve as far as the wishbone location window, the latter is placed in the normal navigation position, the self-locking front handle according to the invention is positioned at the desired height and the sail. The self-locking device according to the invention ensures optimum efficiency by avoiding disturbances of the laminar flow for a minimum weight and allows perfect blocking of the whole rigging easily and quickly. In addition, the lateral blocking makes it possible to maintain the plane of the wishbone perpendicular to the axis of the mast and eliminates the lateral oscillating movements of the wishbone, in particular during the maneuvers.

La partie intermédiaire de l'embout avant représenté sur les Fig. 2A et 28, entre les branches de la forme en U et les supports de fixation, comporte de chaque côté deux évidements 6 facilitant le pliage de l'embout avant sous tension (Fig. 28) et permettant un meilleur enserrement du mât 7. La surface intérieure de la partie en forme de U en contact avec le mât comporte une couche 8 de matériau élastique anti-dérapante, par exemple en mousse de matière plastique.The intermediate part of the front end piece shown in FIGS. 2A and 28, between the branches of the U-shape and the fixing supports, has on each side two recesses 6 facilitating the folding of the front end under tension (Fig. 28) and allowing better clamping of the mast 7. The inner surface of the U-shaped part in contact with the mast comprises a layer 8 of elastic non-slip material, for example plastic foam.

Selon la variante représentée sur les Fig. 3A et 3B, l'embout avant comprend deux éléments articulés 9 formant pince, chacun des éléments 9 comportant, d'une part, une articulation 10 avec le bord de la partie 1 en forme de U et, d'autre part, une articulation 11 avec le support de fixation ; ainsi, lors de l'étarquage du point d'écoute de la voile, les éléments articulés 9 poussés par les branches du wishbone, se referment sur le mât (Fig. 3B). La partie 1, sensiblement hémicylindrique peut être réalisée par exemple en acier inoxydable.According to the variant shown in FIGS. 3A and 3B, the front end piece includes two articulated elements abutments 9 forming a clamp, each of the elements 9 comprising, on the one hand, an articulation 10 with the edge of the U-shaped part 1 and, on the other hand, an articulation 11 with the fixing support; thus, during the stretching of the listening point of the sail, the articulated elements 9 pushed by the branches of the wishbone, close on the mast (Fig. 3B). Part 1, which is substantially semi-cylindrical, can for example be made of stainless steel.

Sur la Fig. 4 la partie 1 sensiblement en forme de U comporte une articulation 12 en son milieu; l'extrémité des branches comprend un arrondi 13 vers l'intérieur afin de mieux saisir le mât ; cet agencement permet aussi l'utilisation de matériaux plus solides, notamment des métaux.In Fig. 4 the part 1 substantially U-shaped has a hinge 12 in the middle; the ends of the branches include a rounded 13 inward to better grip the mast; this arrangement also allows the use of more solid materials, in particular metals.

Sur les Figs 5A et 5B l'extrémité de chacune des branches de la partie 1 en forme de U comporte une articulation 10 avec le support 2 de fixation adjacent; la partie en forme de U est réalisée en matériau souple (plastique ou acier mince), permettant à la partie 1 en forme de U de mieux épouser la forme du mât 7 par pliage (Fig. 5B).In FIGS. 5A and 5B, the end of each of the branches of the U-shaped part 1 has an articulation 10 with the adjacent fixing support 2; the U-shaped part is made of flexible material (plastic or thin steel), allowing the U-shaped part 1 to better match the shape of the mast 7 by folding (Fig. 5B).

Il est évident que la poignée avant selon l'invention peut s'adapter sur tout type de wishbone sans sortir du cadre de l'invention.It is obvious that the front handle according to the invention can be adapted to any type of wishbone without departing from the scope of the invention.

Claims (10)

1. Wishbone pour engin à voile, caractérisé en ce qu'il comprend un embout avant comportant une partie (1) sensiblement en forme de U dont le fond est destiné à être en appui sur le mât par l'extérieur du wishbone et dont les branches se resserrent sur le mât par réaction à l'étarquage du point d'écoute de la voile.1. Wishbone for sailboat, characterized in that it comprises a front end piece comprising a part (1) substantially in the shape of a U, the bottom of which is intended to be supported on the mast from the outside of the wishbone and whose branches are tightened on the mast by reaction to the stretching of the point of listening of the sail. 2. Wishbone selon la revendication 1, caractérisé en ce que la partie en forme de U de l'embout avant est une demi-bague, de forme sensiblement hémicylindrique.2. Wishbone according to claim 1, characterized in that the U-shaped part of the front end piece is a half-ring, of substantially semi-cylindrical shape. 3. Wishbone selon la revendication 1 ou la revendication 2, caractérisé en ce que la partie intermédiaire de l'embout avant, entre les branches de la partie (1) en forme de U et les supports de fixation, comporte des évidements (6).3. Wishbone according to claim 1 or claim 2, characterized in that the intermediate part of the front end piece, between the branches of the U-shaped part (1) and the fixing supports, has recesses (6) . 4. Wishbone selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la surface intérieure de la partie en forme de U, en contact avec le mât, comporte une couche (8) de matériau élastique, anti-dérapante.4. Wishbone according to any one of claims 1 to 3, characterized in that the inner surface of the U-shaped part, in contact with the mast, comprises a layer (8) of elastic, non-slip material. 5. Wishbone selon l'une quelconque des revendications 1, 2 et 4, caractérisé en ce que l'embout avant comprend deux éléments articulés (9) formant pince, chacun des éléments comportant, d'une part, une articulation avec le bord de la partie (1) en forme de U et, d'autre part, une articulation avec le support de fixation (2).5. Wishbone according to any one of claims 1, 2 and 4, characterized in that the front end piece comprises two articulated elements (9) forming a clamp, each of the elements comprising, on the one hand, an articulation with the edge of the U-shaped part (1) and, on the other hand, an articulation with the fixing support (2). 6. Wishbone selon l'une quelconque des revendications 1, 2 ou 4, caractérisé en ce que la partie (1) sensiblement en forme de U comporte une articulation (12) en son milieu.6. Wishbone according to any one of claims 1, 2 or 4, characterized in that the part (1) substantially U-shaped has a hinge (12) in the middle. 7. Wishbone selon la revendication 6, caractérisé en ce que l'extrémité des branches de la partie en forme de U comprend un arrondi (13) vers l'intérieur.7. Wishbone according to claim 6, characterized in that the end of the branches of the U-shaped part comprises a rounded (13) inward. 8. Wishbone selon l'une quelconque des revendications 1, 2 ou 4, caractérisé en ce que l'extrémité de chacune des branches de la partie (1) en forme de U comporte une articulation (10) avec le support (2) de fixation adjacent.8. Wishbone according to any one of claims 1, 2 or 4, characterized in that the end of each of the branches of the part (1) in the form of a U has an articulation (10) with the support (2) of adjacent fixing. 9. Wishbone selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'embout avant comporte deux taquets coinceurs.9. Wishbone according to any one of claims 1 to 8, characterized in that the front end piece comprises two cleat cleats. 10. Embout avant pour wishbone selon l'une quelconque des revendications 1 à 9.10. Front end for wishbone according to any one of claims 1 to 9.
EP86401751A 1985-08-07 1986-08-05 Boom with self-clamping fork Withdrawn EP0213034A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8512081 1985-08-07
FR8512081A FR2586005A1 (en) 1985-08-07 1985-08-07 WISHBONE WITH VARIABLE GEOMETRY

Publications (1)

Publication Number Publication Date
EP0213034A1 true EP0213034A1 (en) 1987-03-04

Family

ID=9322064

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86401751A Withdrawn EP0213034A1 (en) 1985-08-07 1986-08-05 Boom with self-clamping fork

Country Status (3)

Country Link
EP (1) EP0213034A1 (en)
AU (1) AU6091986A (en)
FR (1) FR2586005A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0253351A2 (en) * 1986-07-11 1988-01-20 Joachim Merath Boom for a sailing board
FR2604143A1 (en) * 1986-09-19 1988-03-25 Attey Graeme CONTROL BOARD FOR A SAILBOARD AND CONNECTION FOR FIXING SUCH A BOAT
EP0272463A1 (en) * 1986-11-21 1988-06-29 McGregor, Garth Bruce Sailboard boom
GB2200881A (en) * 1987-01-28 1988-08-17 John Pownall Atkinson Wishbone boom for a sailing craft
DE3721325A1 (en) * 1987-06-27 1989-01-05 Rainer Buck Connecting device between the mast and wishbone boom of windsurfing equipment
AU599148B2 (en) * 1986-09-19 1990-07-12 Graeme Scott Attey Sailboard boom end fittings and sailboard boom systems
GB2232140A (en) * 1989-05-20 1990-12-05 Peter Stuart Spencer Wishbone boom mast collar for a sailboard

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3815761A1 (en) * 1987-08-14 1989-02-23 Hannes Marker Length-adjustable boom
EP0317661A1 (en) * 1987-11-25 1989-05-31 North Sails Windsurfing GmbH Telescopic wishbone

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979001078A1 (en) * 1978-05-16 1979-12-13 O Huess Wishbone
WO1981002717A1 (en) * 1980-03-20 1981-10-01 Marker Hannes Boom for sailing board
WO1982004425A1 (en) * 1981-06-11 1982-12-23 Gaide Albert Boom retaining device for sailing boards
WO1983003805A1 (en) * 1982-04-23 1983-11-10 Jamieson Robert S Improved sail system for sailboards, and boardsailing apparatus and method
EP0102669A2 (en) * 1982-09-06 1984-03-14 FABRIQUE NATIONALE HERSTAL en abrégé FN Société Anonyme Connection of a wishbone to a mast of a sail-board
EP0139782A1 (en) * 1983-10-29 1985-05-08 Partanag AG Change of the area of the sail of a sailing-device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7933382U1 (en) * 1980-03-13 Max Kohla Kg, Innsbruck (Oesterreich) Boom fitting for sailing boards
EP0071220B2 (en) * 1981-07-27 1991-03-27 Mistral Windsurfing AG Wishbone for windsurf boards
DE3143793A1 (en) * 1981-11-04 1983-05-11 Werner 8756 Kahl Haus Boom
FR2543510B1 (en) * 1983-03-29 1988-10-14 Singer Sa ADJUSTABLE LENGTH TELESCOPIC WISHBONE FOR SAILBOARD

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979001078A1 (en) * 1978-05-16 1979-12-13 O Huess Wishbone
WO1981002717A1 (en) * 1980-03-20 1981-10-01 Marker Hannes Boom for sailing board
WO1982004425A1 (en) * 1981-06-11 1982-12-23 Gaide Albert Boom retaining device for sailing boards
WO1983003805A1 (en) * 1982-04-23 1983-11-10 Jamieson Robert S Improved sail system for sailboards, and boardsailing apparatus and method
EP0102669A2 (en) * 1982-09-06 1984-03-14 FABRIQUE NATIONALE HERSTAL en abrégé FN Société Anonyme Connection of a wishbone to a mast of a sail-board
EP0139782A1 (en) * 1983-10-29 1985-05-08 Partanag AG Change of the area of the sail of a sailing-device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0253351A2 (en) * 1986-07-11 1988-01-20 Joachim Merath Boom for a sailing board
EP0253351A3 (en) * 1986-07-11 1988-07-20 Joachim Merath Boom for a sailing board
FR2604143A1 (en) * 1986-09-19 1988-03-25 Attey Graeme CONTROL BOARD FOR A SAILBOARD AND CONNECTION FOR FIXING SUCH A BOAT
GB2195307A (en) * 1986-09-19 1988-04-07 Graeme Scott Attey A sailboard boom front end fitting
AU599148B2 (en) * 1986-09-19 1990-07-12 Graeme Scott Attey Sailboard boom end fittings and sailboard boom systems
EP0272463A1 (en) * 1986-11-21 1988-06-29 McGregor, Garth Bruce Sailboard boom
GB2200881A (en) * 1987-01-28 1988-08-17 John Pownall Atkinson Wishbone boom for a sailing craft
DE3721325A1 (en) * 1987-06-27 1989-01-05 Rainer Buck Connecting device between the mast and wishbone boom of windsurfing equipment
GB2232140A (en) * 1989-05-20 1990-12-05 Peter Stuart Spencer Wishbone boom mast collar for a sailboard

Also Published As

Publication number Publication date
FR2586005A1 (en) 1987-02-13
AU6091986A (en) 1987-02-12

Similar Documents

Publication Publication Date Title
EP0213034A1 (en) Boom with self-clamping fork
FR2499670A1 (en) IMPROVED SUPPORT DEVICE FOR ARTICLES HAVING A FOOT, SUCH AS BEACH UMBRELLAS
EP0822305B1 (en) Parasol stand
EP0827815A1 (en) Pliers for cutting transversely plastic tubes
FR2543909A1 (en) DEVICE FOR ASSEMBLING THE WISHBONE TO THE MAT OF A SAILBOARD
FR2511647A1 (en) CLAMPING MECHANISM FOR LOCKING A GUI ON A MAT
FR2492764A1 (en) Rigging for wind surfing board - has mast pivoted to board and curved wishbone fixed to mast supporting sail
CA1265958A (en) Gear, for sail boards among others
WO2003008284A1 (en) Carrier handle for a container provided with a neck
EP0550623A1 (en) Device and method for passing a rope about an anchoring element
FR2830581A3 (en) Pipe structure which is flexible in several directions, e.g. for use in bicycles
FR2495569A1 (en) Sail mounting for sail board - has clamping sleeve for boom gripping over mast (NL 01.07.82)
FR2830728A1 (en) Horizontal belt support for pocket knife has U-section gutter rigidified by internal metal frame, one gutter side extension having perpendicular spindle which engages knife handle hole
FR2853617A1 (en) Cycle e.g. bicycle or tricycle, has fastening device with central part for connecting guidance unit with external parts fixed in handle bar, where guidance unit is inclined in two positions with respect to axis
FR2710023A1 (en) Sail device, in particular mainsail, with thick and variable profile and top-hamper for its implementation
EP0009286A1 (en) Bicycle saddle with built-in adjustable fixation device
EP0865409B1 (en) Protecting and transporting device for a horse-riding saddle
EP0281489A1 (en) Device for affixing a windsurf board and the like on a vehicle roof by means of a roof carry-all
FR2950558A3 (en) Hand tool for carpenter for fastening and tightening of patches, has main body provided with two arms, which forms fork, and two revolving jaws that are mounted respectively in provided arms
FR2967743A1 (en) Cleat for bridge or mast of sailing structure i.e. ship, has arm with distal portions, where weight of each distal portion is greater than weight of proximal portion such that moment generated by gravity tilts each arm
EP0228344A1 (en) Sail board boom-to-mast connection device
WO2019202254A2 (en) Inflatable watercraft comprising a floating element, a steering unit and a propulsion unit
EP1741625A1 (en) Device for securing objects to the tube of an inflatable boat
EP1082264B1 (en) Utensil for opening containers with screwed lids
FR2641249A2 (en) Front fixture for a boom

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE DE FR GB IT NL SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19870629

RIN1 Information on inventor provided before grant (corrected)

Inventor name: DAQUIN, CHRISTIAN