EP0011582A1 - Verbesserung an Systemen zum Aufrollen eines Segels - Google Patents

Verbesserung an Systemen zum Aufrollen eines Segels 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
Authority
EP
European Patent Office
Prior art keywords
mast
sail
boom
rope
tunnel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP79420055A
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English (en)
French (fr)
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EP0011582B1 (de
Inventor
Pierre Ingouf
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.)
LEISYSTEM SA
Original Assignee
LEISYSTEM SA
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 LEISYSTEM SA filed Critical LEISYSTEM SA
Publication of EP0011582A1 publication Critical patent/EP0011582A1/de
Application granted granted Critical
Publication of EP0011582B1 publication Critical patent/EP0011582B1/de
Expired legal-status Critical Current

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Classifications

    • 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)
EP79420055A 1978-11-07 1979-11-06 Verbesserung an Systemen zum Aufrollen eines Segels Expired EP0011582B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7832049A FR2440870A1 (fr) 1978-11-07 1978-11-07 Perfectionnement aux systemes enrouleurs de grand'voile
FR7832049 1978-11-07

Publications (2)

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

Family

ID=9214821

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79420055A Expired EP0011582B1 (de) 1978-11-07 1979-11-06 Verbesserung an Systemen zum Aufrollen eines Segels

Country Status (6)

Country Link
US (1) US4324192A (de)
EP (1) EP0011582B1 (de)
JP (1) JPS562290A (de)
AU (1) AU530597B2 (de)
DE (1) DE2965219D1 (de)
FR (1) FR2440870A1 (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0229675A2 (de) 1986-01-17 1987-07-22 Sailtainer DK A/S Takelvorrichtung für Segelboote
FR2609273A1 (fr) * 1987-01-05 1988-07-08 Monti Michel Enrouleur de grand'voile
FR2621882A1 (fr) * 1987-10-19 1989-04-21 Maillard Michel Bome a enrouleur avec deplacement axial pour enroulement de la ralingue en spires jointives
EP0649786A2 (de) * 1993-10-22 1995-04-26 Jörg Mössnang Rollbaum-Reffeinrichtung
US5632215A (en) * 1993-10-22 1997-05-27 Moessnang; Joerg Roller reefing boom system
NL1004933C2 (nl) * 1997-01-06 1998-07-08 Marcus Claudius Kickert Rolreefsysteem voor het grootzeil van een zeilboot.
FR2979326A1 (fr) * 2011-08-31 2013-03-01 Pescavel Greement pour bateau catamaran a voiles, notamment un catamaran de peche

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2515137B1 (fr) * 1981-10-23 1985-12-20 Maurin Suzanne Dispositif enrouleur et emmagasineur de voile
US4597347A (en) * 1982-11-29 1986-07-01 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 (it) * 1984-11-30 1988-12-21 Fabio Perini Sistema per la modifica del profilo di una vela in avvolgimento per la riduzione della superficie
IT1201331B (it) * 1985-07-23 1989-01-27 Fabio Perini Attrezzatura velica con carenatura,di esecuzione semplice e facilmente smontabile
US4723499A (en) * 1985-08-19 1988-02-09 Bernard Furgang Furling system for sailboats
WO1987002003A1 (en) * 1985-09-25 1987-04-09 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 (de) * 2007-07-11 2012-02-22 Harken Italy S.p.A. Verfahren zur Betätigung der Schoten von Segelbooten
US9783276B2 (en) 2015-09-10 2017-10-10 Stephen Colgan Clement Sailing furler and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (fr) * 1966-06-03 1967-07-13 Dispositif de réglage du creux de grand-voile de voiliers et plus spécialement des voiliers de compétition
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 (de) * 1973-09-18 1975-04-11 Bernard Bernard

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB703709A (en) * 1951-04-02 1954-02-10 Fairey Aviat Co Ltd Improvements relating to reefing gear for ships' sails
US3260230A (en) * 1964-10-12 1966-07-12 Kauert Walter Sail controlling means
US3285215A (en) * 1964-12-31 1966-11-15 John T Potter Roller reefer
GB1179981A (en) * 1968-01-01 1970-02-04 Geoffrey Lewis Winter Improvements in or relating to Reefing Gear.
US3608511A (en) * 1970-01-23 1971-09-28 Bernard R Katshen Roller reef actuating mechanism and brake
US3851609A (en) * 1972-08-21 1974-12-03 L Stearn Two groove headstay
US3948200A (en) * 1975-05-27 1976-04-06 Hood Sailmakers, Inc. Jib sail system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (fr) * 1966-06-03 1967-07-13 Dispositif de réglage du creux de grand-voile de voiliers et plus spécialement des voiliers de compétition
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 (de) * 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 (de) 1986-01-17 1987-07-22 Sailtainer DK A/S Takelvorrichtung für Segelboote
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 (fr) * 1987-01-05 1988-07-08 Monti Michel Enrouleur de grand'voile
FR2621882A1 (fr) * 1987-10-19 1989-04-21 Maillard Michel Bome a enrouleur avec deplacement axial pour enroulement de la ralingue en spires jointives
EP0649786A2 (de) * 1993-10-22 1995-04-26 Jörg Mössnang Rollbaum-Reffeinrichtung
EP0649786A3 (de) * 1993-10-22 1995-07-05 Joerg Moessnang Rollbaum-Reffeinrichtung.
US5632215A (en) * 1993-10-22 1997-05-27 Moessnang; Joerg Roller reefing boom system
NL1004933C2 (nl) * 1997-01-06 1998-07-08 Marcus Claudius Kickert Rolreefsysteem voor het grootzeil van een zeilboot.
WO1998030442A1 (en) 1997-01-06 1998-07-16 Marcus Claudius Kickert Rolling reef system for the mainsail of a sailing vessel
FR2979326A1 (fr) * 2011-08-31 2013-03-01 Pescavel Greement pour bateau catamaran a voiles, notamment un catamaran de peche

Also Published As

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

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