EP0214913A1 - Furling apparatus for a boat sail on a boom - Google Patents

Furling apparatus for a boat sail on a boom Download PDF

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Publication number
EP0214913A1
EP0214913A1 EP86401963A EP86401963A EP0214913A1 EP 0214913 A1 EP0214913 A1 EP 0214913A1 EP 86401963 A EP86401963 A EP 86401963A EP 86401963 A EP86401963 A EP 86401963A EP 0214913 A1 EP0214913 A1 EP 0214913A1
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Prior art keywords
boom
mast
sail
articulation
rotation
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EP86401963A
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German (de)
French (fr)
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EP0214913B1 (en
Inventor
Jean-Yves Chevalier
Jean-Paul Pouligny
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Plastimo SAS
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Plastimo SAS
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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 devices for winding a sail of a ship, on a boom.
  • a number of winding devices of this type are known in the prior art, in which the boom is generally connected to a mast by means of articulation means and is mounted for rotation on itself. These devices also include means for actuating the boom in rotation in order to wind the sail thereon, the burr of the sail being fixed to the boom.
  • the boom can be rotated in various ways.
  • a device for winding a sail on a boom in which the means for actuating the boom in rotation are constituted by a crank, fixed on the end thereof opposite the articulation means.
  • a sail-winder / unwinder device comprising a drum actuated by an end hooked at one of its ends to the mast of the boat and to the other from its ends to elastic return means.
  • the span of the sail being fixed on the mast, the rear end of the boom approaches the mast as and when the sail is wound on it.
  • the object of the invention is therefore to solve the problems mentioned above.
  • the subject of the invention is a device for winding a sail of a ship, on a boom connected to a mast by means of articulation means and mounted for rotation on itself, the span of the sail being mounted displaceable relative to the mast and this device comprising means for actuating the boom in rotation for winding the sail thereon, arranged on the end of the boom opposite to the articulation means, characterized in that said rotary actuation means comprise a drum integral with the boom and around which is disposed a drive end of said drum and in that it comprises means for returning the end to the ship's cockpit.
  • a boom 1 is connected to a mast 2 of a ship by means of articulation means 3 constituted for example by a universal joint.
  • This boom 1 is rotatably mounted on itself by means of a ball bearing, for example 4 whose outer cage supports a corresponding part of the universal joint 3 and whose inner cage is mounted on a support 5 of a plate 6 fixed on the mast.
  • the articulation means 3 and the boom 1 are therefore fixed to the mast by means of this plate 6 which is made integral with the mast 2 by all known means, for example by screws or rivets.
  • the edge of a sail (not shown) is fixed to the boom by any known means while its span is fixed to the mast, for example by a rope which can slide in a rope tunnel attached thereto.
  • the boom 1 At its end opposite to the articulation means, the boom 1 comprises means for actuating it in rotation, generally designated by the reference 7. These means, for actuating in rotation are constituted by a drum 8 integral a shaft 9 which is itself integral with the boom 1. Around this drum 8 is arranged a drive end 10 thereof.
  • the winding device also comprises means for returning this end to the cockpit of the ship.
  • These means deflection consist of pulleys 11 and 12 disposed in a guide duct 13 extending along the boom, from the free end thereof to its end connected to the articulation means of the boom on the mast.
  • the guide duct 13 is suspended in an oscillating manner with respect to the boom 1, at each of its ends.
  • the guide duct 13 may be integral, at one of its ends, with two flanges 14 and 15 arranged on either side of the drum 8 and mounted for rotation in a manner known per se around the shaft 9.
  • the guide duct 13 can be suspended by at least one support rod 16 secured to the outer cage of a ball bearing 17 whose inner cage is secured to the boom.
  • the entire device can be housed in a sheath provided for this purpose, that is to say comprising a slot for the passage of the sail and openings in particular for the passage of the end connecting the drum to the ship's cockpit.
  • This sheath is then secured to the guide duct 13 so as to follow the developments of the latter around the boom.
  • the actuation means may also include reduction means of known type connected to the boom, these means being driven for example by a crank or by a electric motor controlled for example from the cockpit.
  • Guide and bottom hoists can be fixed in a manner known per se to the guide duct 13 so as to determine the position of the boom.

Abstract

Ce dispositif d'enroulement d'une voile d'un navire sur une bôme (1) reliée à un mât (2) par l'in­termédiaire de moyens d'articulation (3) et montée à rotation sur elle-même, comprenant des moyens d'ac­tionnement en rotation (7) de la bôme (1) pour enrou­ler la voile sur celle-ci, est caractérisé en ce que lesdits moyens d'actionnement en rotation (7) sont disposés sur l'extrémité de la bôme (1) opposée aux moyens d'articulation (3). Ces moyens d'actionnement comportent un tambour (8) solidaire de la bôme (1) autour duquel est disposé un bout d'entraînement (10) dudit tambour, ce bout étant relié par exemple au poste de pilotage du navire par des moyens de renvoi (11, 12).

Figure imgaf001
This device for winding a sail of a ship on a boom (1) connected to a mast (2) by means of articulation means (3) and mounted for rotation on itself, comprising means for actuating in rotation (7) the boom (1) for winding the sail on it, is characterized in that said means for actuating in rotation (7) are arranged on the end of the boom (1) opposite the articulation means (3). These actuating means comprise a drum (8) integral with the boom (1) around which is disposed a drive end (10) of said drum, this end being connected for example to the cockpit of the ship by return means (11, 12).
Figure imgaf001

Description

La présente invention concerne les disposi­tifs d'enroulement d'une voile d'un navire, sur une bôme.The present invention relates to devices for winding a sail of a ship, on a boom.

On connaît dans l'état de la technique un certain nombre de dispositifs d'enroulement de ce type dans lesquels la bôme est en général reliée à un mât par l'intermédiaire de moyens d'articulation et est montée à rotation sur elle-même. Ces dispositifs com­portent également des moyens d'actionnement en rota­tion de la bôme pour enrouler la voile sur celle-ci, la bourdure de la voile étant fixée sur la bôme.A number of winding devices of this type are known in the prior art, in which the boom is generally connected to a mast by means of articulation means and is mounted for rotation on itself. These devices also include means for actuating the boom in rotation in order to wind the sail thereon, the burr of the sail being fixed to the boom.

L'entraînement en rotation de la bôme peut s'effectuer de différentes manières. Ainsi, par exemple on peut imprimer un mouvement de rotation à la bôme par l'intermédiaire d'une manivelle traversant le mât, d'une poulie crantée coopérant avec un bout actionné à partir du poste de pilotage du navire, ou d'un système à vis sans fin.The boom can be rotated in various ways. Thus, for example, it is possible to impart a rotational movement to the boom by means of a crank passing through the mast, a notched pulley cooperating with an end actuated from the cockpit of the ship, or a system worm gear.

Cependant tous ces dispositifs présentent un certain nombre d'inconvénients. En effet, dans le cas d'un entraînement par manivelle traversant le mât, il est nécessaire de percer le mât ce qui affaiblitt d'autant sa solidité et est relativement coûteux. Dans le cas d'un entraînement par poulie crantée ou par système à vis sans fin, ces moyens d'entraînement sont placés à proximité de la zone de fixation de la bôme sur le mât. Or, il est important que cette zone de fixation, à proximité de laquelle se trouvent égale­ment les moyens d'articulation de la bôme sur le mât, soit dégagée le plus possible, afin de permettre un bon enroulement de la voile sur la bôme notamment lorsque la voile est pourvue d'une ralingue coopérant avec un tunnel de ralingue s'étendant le long d'une génératrice du mât.However, all these devices have a certain number of drawbacks. Indeed, in the case of a crank drive through the mast, it is necessary to pierce the mast which weakens its strength and is relatively expensive. In the case of a drive by toothed pulley or by a worm screw system, these drive means are placed near the area for fixing the boom to the mast. However, it is important that this fixing zone, close to which the means of articulation of the boom on the mast are also located, be as clear as possible, in order to allow a good winding of the sail on the boom in particular when the sail is provided with a headline cooperating with a headline tunnel extending along a generator of the mast.

On connaît également, d'après le document US-A-3 285215, un dispositif d'enroulement d'une voile sur une bôme, dans lequel les moyens d'actionnement en rotation de la bôme sont constitués par une manivelle, fixée sur l'extrémité de celle-ci opposée aux moyens d'articulation.Also known from document US-A-3 285215, a device for winding a sail on a boom, in which the means for actuating the boom in rotation are constituted by a crank, fixed on the end thereof opposite the articulation means.

Par ailleurs, on connaît également d'après le document US-A-3 877406, un dispositif enrouleur/dé­rouleur de voile, comportant un tambour actionné par un bout accroché à l'une de ses extrémités au mât du bateau et à l'autre de ses extrémités à des moyens de rappel élastiques. L'envergure de la voile étant fixée sur le mât, l'extrémité arrière de la bôme se rappro­che du mât au fur et à mesure que la voile s'enroule sur celle-ci.Furthermore, we also know from document US-A-3 877406, a sail-winder / unwinder device, comprising a drum actuated by an end hooked at one of its ends to the mast of the boat and to the other from its ends to elastic return means. The span of the sail being fixed on the mast, the rear end of the boom approaches the mast as and when the sail is wound on it.

On conçoit que de tels dispositifs sont extrêmement difficiles à mettre en oeuvre.It is understood that such devices are extremely difficult to implement.

Le but de l'invention est donc de résoudre les problèmes évoqués ci-dessus.The object of the invention is therefore to solve the problems mentioned above.

A cet effet, l'invention a pour objet un dispositif d'enroulement d'une voile d'un navire, sur une bôme reliée à un mât l'intermédiaire de moyens d'articulation et montée à rotation sur elle-même, l'envergure de la voile étant montée déplaçable par rapport au mât et ce dispositif comprenant des moyens d'actionnement en rotation de la bôme pour enrouler la voile sur celle-ci, disposés sur l'extrémité de la bôme opposée aux moyens d'articulation, caractérisé en ce que lesdits moyens d'actionnement en rotation com­portent un tambour solidaire de la bôme et autour duquel est disposé un bout d'entraînement dudit tam­bour et en ce qu'il comporte des moyens de renvoi du bout vers le poste de pilotage du navire.To this end, the subject of the invention is a device for winding a sail of a ship, on a boom connected to a mast by means of articulation means and mounted for rotation on itself, the span of the sail being mounted displaceable relative to the mast and this device comprising means for actuating the boom in rotation for winding the sail thereon, arranged on the end of the boom opposite to the articulation means, characterized in that said rotary actuation means comprise a drum integral with the boom and around which is disposed a drive end of said drum and in that it comprises means for returning the end to the ship's cockpit.

L'invention sera mieux comprise à l'aide de la description qui va suivre, donnée uniquement à titre d'exemple et faite en se référant au dessin annexé qui représente un dispositif d'enroulement selon l'invention.The invention will be better understood using the description which follows, given solely by way of example and made with reference to the appended drawing which represents a winding device according to the invention.

Comme on peut le voir sur ce dessin, une bôme 1 est reliée à un mât 2 d'un navire par l'intermédiaire de moyens d'articulation 3 constitués par exemple par une articulation à cardan. Cette bôme 1 est montée à rotation sur elle-même par l'intermé­diaire d'un roulement par exemple à billes 4 dont la cage extérieure supporte une partie correspondante de l'articulation à cardan 3 et dont la cage intérieure est montée sur un organe de support 5 d'une platine 6 fixée sur le mât. Les moyens d'articualtion 3 et la bôme 1 sont donc fixés sur le mât par l'intermédiaire de cette platine 6 qui est rendue solidaire du mât 2 par tous les moyens connus, par exemple par des vis ou des rivets.As can be seen in this drawing, a boom 1 is connected to a mast 2 of a ship by means of articulation means 3 constituted for example by a universal joint. This boom 1 is rotatably mounted on itself by means of a ball bearing, for example 4 whose outer cage supports a corresponding part of the universal joint 3 and whose inner cage is mounted on a support 5 of a plate 6 fixed on the mast. The articulation means 3 and the boom 1 are therefore fixed to the mast by means of this plate 6 which is made integral with the mast 2 by all known means, for example by screws or rivets.

La bordure d'une voile (non représentée) est fixée sur la bôme par tous moyens connus tandis que son envergure est fixée sur le mât par exemple par une ralingue pouvant coulisser dans un tunnel de ralingue solidaire de celui-ci.The edge of a sail (not shown) is fixed to the boom by any known means while its span is fixed to the mast, for example by a rope which can slide in a rope tunnel attached thereto.

A son extrémité opposée aux moyens d'articu­lation, la bôme 1 comporte des moyens d'actionnement en rotation de celle-ci, désignés de façon générale par la référence 7. Ces moyens, d'actionnement en rotation sont constitués par un tambour 8 solidaire d'un arbre 9 qui est lui-même solidaire de la bôme 1. Autour de ce tambour 8 est disposé un bout 10 d'en­traînement de celui-ci.At its end opposite to the articulation means, the boom 1 comprises means for actuating it in rotation, generally designated by the reference 7. These means, for actuating in rotation are constituted by a drum 8 integral a shaft 9 which is itself integral with the boom 1. Around this drum 8 is arranged a drive end 10 thereof.

Le dispositif d'enroulement selon l'inven­tion comporte également des moyens de renvoi de ce bout vers le poste de pilotage du navire. Ces moyens de renvoi sont constitués par des poulies 11 et 12 disposées dans un conduit de guidage 13 s'étendant le long de la bôme, à partir de l'extrémité libre de cel­le-ci jusqu'à son extrémité reliée aux moyens d'arti­culation de la bôme sur le mât.The winding device according to the invention also comprises means for returning this end to the cockpit of the ship. These means deflection consist of pulleys 11 and 12 disposed in a guide duct 13 extending along the boom, from the free end thereof to its end connected to the articulation means of the boom on the mast.

Il est à noter que le conduit de guidage 13 est suspendu de manière oscillante par rapport à la bôme 1, à chacune de ses extrémités.It should be noted that the guide duct 13 is suspended in an oscillating manner with respect to the boom 1, at each of its ends.

Ainsi par exemple le conduit de guidage 13 peut être solidaire, à l'une de ses extrémités, de deux flasques 14 et 15 disposés de part et d'autre du tambour 8 et montés à rotation de manière connue en soi autour de l'arbre 9. A l'autre de ses extrémités, le conduit de guidage 13 peut être suspendu par au moins une tige de support 16 solidaire de la cage extérieure d'un roulement à billes 17 dont la cage intérieure est solidaire de la bôme.Thus for example the guide duct 13 may be integral, at one of its ends, with two flanges 14 and 15 arranged on either side of the drum 8 and mounted for rotation in a manner known per se around the shaft 9. At the other of its ends, the guide duct 13 can be suspended by at least one support rod 16 secured to the outer cage of a ball bearing 17 whose inner cage is secured to the boom.

Il est à noter que l'ensemble du dispositif peut être logé dans un fourreau prévu à cet effet, c'est-à-dire comportant une fente pour le passage de la voile et des ouvertures notamment pour le passage du bout reliant le tambour au poste de pilotage du navire. Ce fourreau est alors solidaire du conduit de guidage 13 de façon à suivre les évolutions de celui-­ci autour de la bôme.It should be noted that the entire device can be housed in a sheath provided for this purpose, that is to say comprising a slot for the passage of the sail and openings in particular for the passage of the end connecting the drum to the ship's cockpit. This sheath is then secured to the guide duct 13 so as to follow the developments of the latter around the boom.

Lorsq'une traction est exercée sur le bout 10, le tambour 8 et la bôme 1 sont entraînés en rota­tion, amenant ainsi la voile à s'enrouler autour de cette bôme 1. Cette traction peut être exercée manuel­lement, à l'aide de moyens mécaniques connus.When a traction is exerted on the end 10, the drum 8 and the boom 1 are rotated, thereby causing the sail to wrap around this boom 1. This traction can be exerted manually, using means known mechanics.

D'autre part, les moyens d'actionnement peu­vent également comporter des moyens de démultiplica­tion de type connu reliés à la bôme, ces moyens étant entraînés par exemple par une manivelle ou par un moteur électrique commandé par exemple à partir du poste de pilotage.On the other hand, the actuation means may also include reduction means of known type connected to the boom, these means being driven for example by a crank or by a electric motor controlled for example from the cockpit.

On constate que la zone proche du point de fixation de la bôme sur le mât est dégagée de tout moyen d'actionnement de cette bôme, ce qui permet d'améliorer sensiblement l'enroulement de la voile sur celle-ci et de fixer de manière plus simple la bôme et plus particulièrement les moyens d'articulation de celle-ci, sur le mât.It can be seen that the area close to the point of attachment of the boom to the mast is clear of any means of actuating this boom, which makes it possible to substantially improve the winding of the sail on the latter and to fix it so simpler the boom and more particularly the means of articulation thereof, on the mast.

Des palans de hale bas et d'écoute peuvent être fixés de manière connue en soi le conduit de guidage 13 de manière à déterminer la position de la bôme.Guide and bottom hoists can be fixed in a manner known per se to the guide duct 13 so as to determine the position of the boom.

Claims (8)

1. Dispositif d'enroulement d'une voile d'un navire, sur une bôme (1) reliée à un mât (2) par l'in­termédiaire de moyens d'articulation (3) et montée à rotation sur elle-même, l'envergure de la voile étant montée déplaçable par rapport au mât et ce dispositif comprenant des moyens (7) d'actionnement en rotation de la bôme pour enrouler la voile sur celle-ci, dispo­sés sur l'extrémité de la bôme (1) opposée aux moyens d'articulation (3), caractérisé en ce que lesdits moyens d'actionnement en rotation comportent un tam­bour (8) solidaire de la bôme (1) et autour duquel est disposé un bout (10) d'entraînement dudit tambour et en ce qu'il comporte des moyens de renvoi (11, 12) du bout vers le poste de pilotage du navire.1. Device for winding a sail of a ship, on a boom (1) connected to a mast (2) by means of articulation means (3) and mounted for rotation on itself, l span of the sail being mounted movable relative to the mast and this device comprising means (7) for actuating the boom in rotation to wind the sail thereon, arranged on the opposite end of the boom (1) to the articulation means (3), characterized in that the said rotary actuation means comprise a drum (8) integral with the boom (1) and around which is disposed a drive end (10) of the said drum and in which it includes return means (11, 12) from the end to the ship's cockpit. 2. Dispositif selon la revendication 1, ca­ractérisé en ce que lesdits moyens de renvoi sont constitués par au moins deux poulies (11, 12) dispo­sées dans un conduit de guidage (13) s'étendant le long de la bôme de l'extrémité libre de celle-ci jus­qu'à son extrémité reliée aux moyens d'articulation de la bôme sur le mât.2. Device according to claim 1, characterized in that said deflection means are constituted by at least two pulleys (11, 12) arranged in a guide duct (13) extending along the boom of the free end from it to its end connected to the means of articulation of the boom on the mast. 3. Dispositif selon la revendication 2, ca­ractérisé en ce que ledit conduit de guidage (13) est suspendu de manière oscillante par rapport à la bôme (1) à chacune de ses extrémités.3. Device according to claim 2, characterized in that said guide duct (13) is suspended in an oscillating manner relative to the boom (1) at each of its ends. 4. Dispositif selon la revendication 3, ca­ractérisé en ce que le conduit de guidage (13) est solidaire, à l'une de ses extrémités, d'au moins un flasque (14, 15) monté à rotation par rapport à la bôme (1) et, à l'autre de ses extrémités, d'au moins une tige de support (16) solidaire de la cage extérieure d'un roulement (17) dont la cage intérieure est solidaire de la bôme.4. Device according to claim 3, characterized in that the guide duct (13) is integral, at one of its ends, with at least one flange (14, 15) mounted for rotation relative to the boom ( 1) and, at the other end, at least a support rod (16) secured to the outer cage of a bearing (17) whose inner cage is secured to the boom. 5. Dispositif selon l'une quelconque des re­vendications précédentes, caractérisé en ce que les moyens d'articulation (3) sont fixés sur le mât par l'intermédiaire d'une platine (6).5. Device according to any one of the preceding claims, characterized in that the articulation means (3) are fixed to the mast by means of a plate (6). 6. Dispositif selon la revendication 5, ca­ractérisé en ce que lesdits moyens d'articulation sont montés à rotation autour d'un organe de support (5) de la platine (6) par l'intermédiaire d'un roulement (4).6. Device according to claim 5, characterized in that said articulation means are rotatably mounted around a support member (5) of the plate (6) by means of a bearing (4). 7. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les moyens d'actionnement com­portent des moyens de démultiplication.7. Device according to claim 1 or 2, characterized in that the actuating means comprise reduction means. 8. Dispositif selon la revendication 7, ca­ractérisé en ce que les moyens de démultiplication sont entraînés par un moteur électrique.8. Device according to claim 7, characterized in that the reduction means are driven by an electric motor.
EP86401963A 1985-09-11 1986-09-08 Furling apparatus for a boat sail on a boom Expired EP0214913B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8513485A FR2586997B1 (en) 1985-09-11 1985-09-11 DEVICE FOR WINDING A SAIL OF A VESSEL ON A BOOM
FR8513485 1985-09-11

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EP0214913A1 true EP0214913A1 (en) 1987-03-18
EP0214913B1 EP0214913B1 (en) 1988-12-14

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EP86401963A Expired EP0214913B1 (en) 1985-09-11 1986-09-08 Furling apparatus for a boat sail on a boom

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US (1) US4724787A (en)
EP (1) EP0214913B1 (en)
AU (1) AU580445B2 (en)
DE (1) DE3661410D1 (en)
FR (1) FR2586997B1 (en)

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NZ233280A (en) * 1990-04-10 1992-10-28 Donald Bruce Baverstock Mainsail furling device
US5632215A (en) * 1993-10-22 1997-05-27 Moessnang; Joerg Roller reefing boom system
DK0765806T3 (en) * 1995-09-29 2000-10-23 Proengin Rolling reel system for reducing sailing for large sails
US5619946A (en) * 1995-11-29 1997-04-15 Wallasch; Lutz Sail furling device with bearings to permit simultaneous cable and extrusion rotation
US9783276B2 (en) 2015-09-10 2017-10-10 Stephen Colgan Clement Sailing furler and method

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US3877406A (en) * 1972-07-31 1975-04-15 Manfred Davis Body sail

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DE3661410D1 (en) 1989-01-19
AU6255186A (en) 1987-03-12
AU580445B2 (en) 1989-01-12
FR2586997A1 (en) 1987-03-13
US4724787A (en) 1988-02-16
EP0214913B1 (en) 1988-12-14
FR2586997B1 (en) 1990-10-19

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