Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
  • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
  • B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
  • B63B15/0083—Masts for sailing ships or boats
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
  • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
  • B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
  • B63B15/02—Staying of masts or of other superstructures

Definitions

• the present invention relates to a device for attaching rigging elements for a mast made of composite material, this device comprising fastening means attached to the mast and surrounding at least the major part of the outer profile of the mast.
• composite material is generally meant any layered material based on high strength fibers, in particular carbon fibers embedded in a substrate, in particular a resin.
• the invention applies in particular to masts made from tubes of prepreg material molded or manufactured by filament winding or by pultrusion. To attach rigging elements to such masts, holes or other damage to their integrity should be avoided or their resistance will be severely reduced.
• WO 03/070 558 proposes a device of the kind defined above for a mast made from a tube and kept waterproof by fixing by gluing horseshoe attachment means.
• the establishment of the attachment means is provided by means of a clamp.
• the object of the invention is, above all, to facilitate the manufacture of the attachment means, to simplify their placement on the mast, and the rigging of the rigging.
• a device for attaching rigging elements intended for a mast made of composite material, which device comprises fastening means attached to the mast and surrounding at least the major part of the outer profile of the mast, is characterized in that that the attachment means comprise at least two separate attachment pieces to form a set marrying the mast, each attachment piece being fixed by gluing on the mast.
• the fasteners are joined along an edge.
• the two attachment pieces may each comprise a projection located in a plane substantially orthogonal to the adjacent surface of the attachment piece, the projections being applied against each other during assembly.
• the projections assembled by gluing can form a forestay attachment means.
• the forestay attachment means may comprise an orifice, passing through the projections, forming an eyelet in which is fixed a load part secured to the strut.
• An interposing element may be interposed between said eyelet and said charging member.
• At least one attachment piece has an outwardly convex skirt, forming a kind of belly delimiting a hollow interior volume between the outer wall of the mast and the inner wall of the attachment piece.
• the skirt may comprise a lower wall substantially perpendicular to the geometric axis of the mast and an outer portion substantially in the form of a cone portion.
• the skirt may also include at least one rigging element attachment means.
• the skirt in its outer portion in the form of a cone portion, may comprise at least one seat provided with an orifice making it possible to make the attachment part integral with a rigging element, in particular an overhead bar.
• the bottom wall of at least one skirt may comprise an orifice for inserting a stay end, said end of stay comprising stop means bearing on a shoulder located on said bottom wall.
• a support cup may be interposed between said abutment means and said shoulder.
• At least one skirt has a first orifice in its upper conical portion and a second orifice formed in the lower wall so that it is possible to put in place in the first orifice a cap which caps a portion of the conical wall. , and a branch through the second orifice, said yoke for attaching a stay.
• An interposer may be placed between the yoke and the lower edge of the first orifice.
• Fig. 1 is a schematic side view of a sailboat having a mast where several devices according to the invention have been installed.
• Fig. 2 is a perspective view of a device according to the invention placed on a piece of mast, a forestay, a low stay and a spreader being also shown in connection with the device.
• Fig. 3 is a perspective view, on a larger scale, of a device according to the invention, in the case of a simple configuration with a forestay and two stays, only one of which is shown here.
• Fig. 4 is a perspective view of the device of FIG. 3, in the case of a configuration with spreaders.
• Fig. 5 is a perspective view of a possible embodiment of a fastener according to the invention.
• Fig. 6 is a vertical section, on a larger scale, of the attachment part of FIG. 5, by a plane passing through the axis of an arrow bar.
• Fig. 7 is a vertical section, similar to FIG. 6, by a plane containing the stay.
• Fig. 8 is a perspective view similar to FIG. 5 showing another embodiment of a fastener
• Fig. 9 is a perspective view similar to FIG. 3, with the attachment shown in FIG. 8.
• a device D according to the invention is installed on a sailboat mast 1, the mast 1 being made of composite material.
• the device D is intended, in particular, to attach a stay 2, shrouds or low shrouds 3, and / or spreaders 4.
• the device D comprises fastening means, attached to the mast and surrounding at least the major part of the outer profile of the mast, formed by two attachment pieces 5 and 6 which constitute a set marrying said mast.
• These parts 5 and 6 are formed from plates of generally constant thickness and substantially have a cylinder portion profile, in order to adapt closely to the mast 1 on which they are glued. Once glued, the fasteners 5 and 6 join one edge.
• the attachment pieces 5 and 6 are said starboard and port side according to their position on the mast, once glued.
• attachment pieces 5 and 6 each comprise, at one of their ends, in a plane substantially orthogonal to their surface, a projection 7.
• the projections 7 have a substantially constant thickness and develop overhanging, over the entire height of the fastening parts 5 and 6.
• the overhang width is minimal at the upper ends of the fastening parts 5 and 6 and maximum at the lower ends of said fasteners.
• the projections 7 of the two pieces "are applied against each other during assembly and glued together, forming a kind of nose.
• the protrusions 7, once fixed, are located on the part of the mast 1 facing the bow and are used as attachment means for the strut 2.
• the assembly formed by the adhered projections comprises an orifice 8, generally obtained directly in each projection during the molding of the parts.
• the orifice 8 constitutes an eyelet in which is fixed a load piece or shackle 9 integral with the stub 2.
• An interposing element 10 is interposed between the eyelet 8 and the shackle 9 so as to protect the eyelet 8 against premature wear caused by possible movements of the shackle 9, in particular, under the action of the wind on the forestay.
• the loading part 9 contributes to the assembly of the parts 5 and 6.
• the eyelet 8 is arranged in the lower part of the assembly formed by the meeting of the projections 7 and this assembly is substantially triangular in shape in order to optimize its resistance to the forces generated at the connection with the strut 2, which is required. significantly in traction.
• One or more other orifices 12 may be provided in the projections 7 in order to strengthen the connection between the two projections 7 or to be able to attach other rigging elements.
• Each attachment piece 5, 6 has a skirt 13 convex towards the outside forming a kind of belly and delimiting a hollow interior volume between the outer wall of the mast 1 and the inner wall of the attachment part 5, 6.
• the skirt has a bottom wall 14 (FIG 5) substantially perpendicular to the geometric axis 15 of the mast 1 when the device is in place on the mast 1 and an outer portion 16 substantially shaped cone portion.
• This type of embodiment makes it possible to optimize the resistance to the forces generated by the attached rigging elements.
• the skirt comprises means for attaching rigging elements.
• Such attachment means may consist of the presence, on the outer part 16 of the skirt 13, of one or more seats 16a.
• FIG.6 provided with orifices 16b for attaching a rigging element, for example an arrow bar 4.
• a screw 17 having a nozzle to spherical cap 18 and a shoulder 19 is bolted through the hole 16b on the skirt 13 by means of a nut 20.
• a washer 21 is interposed between the skirt 13 and the nut 20, to prevent loosening inappropriate.
• a spherical cup 4a, integral with the spreader bar 4 cooperates with the spherical cap tip 18 of the screw 17 to establish a ball joint connection between the spreader bar and the skirt 13.
• Two assemblies of this type allow to make two ball joints and thus obtain a pivot connection about an axis passing through the centers of the ball joints.
• the attachment means may also allow to attach the stays.
• the bottom wall 14 of the skirt 13 has an orifice 22 for inserting an upper end 3a of the stay, or low-stay, 3.
• a stop means 23 is provided at this upper end 3a.
• the abutment means 23 may be crimped or welded to the upper end 3a of the stay 3 or constituted by crushing of the upper end 3a of the stay 3.
• the abutment means 23 has a larger diameter than the orifice 22 and bears on a shoulder 24 located on the inner face of the lower portion 14 of the skirt 13.
• a bearing cup 25 is interposed between the means of stop 23 and the lower portion 14. This cup allows to better distribute the forces from the stay. Moreover, in particular because of the action of the wind, the stay 3 and its abutment means 23 can be subjected to vibrations or to small displacements and the support cup 25 makes it possible to avoid premature wear of the shoulder.
• a second orifice 26, formed on the outer portion 16, allows the insertion of the stay.
• the upper conical portion 16 of the skirt 13 has a first orifice 26 and the bottom wall 14 has a second orifice 22 so that it is possible to put in place in the first orifice 26 a clevis 27, shaped U inverted, which caps a portion of the conical wall 16, and a branch of this yoke 27 through the second orifice 22.
• the yoke 27 makes it possible to attach a stay 3.
• the yoke 27 may comprise two orifices 28 at the ends of each of its branches 27a and 27b making it possible to attach an upper end 3a of the stay equipped with a flat part with an orifice adequate.
• An interposing element 29 is placed between the yoke 27 and the lower edge of the first orifice 26 for reasons similar to those evoked for the cup 25 of the first embodiment.
• the fasteners 5 and 6 do not require complex tools to be molded despite the presence of the hollow skirt 16 and the portion 14. They are preferably made of laminated carbon.
• the attachment means is not monoblock, the sizing is facilitated because the surfaces to be bonded are more accessible.
• the attachment parts 5 and 6 being complementary, it is easy to position them relative to each other without special tools.
• the projections 7, which are placed opposite each other, and the orifice 8, which is formed in the two attachment parts 5 and 6, allow such positioning. Once in place, the fasteners 5 and 6 each receive the struts 3 and / or tie rods 4 and the load part 9 which will be used to fix the strut.

Landscapes

• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• Ocean & Marine Engineering (AREA)
• Mutual Connection Of Rods And Tubes (AREA)
• Forklifts And Lifting Vehicles (AREA)
• Clamps And Clips (AREA)
• Road Signs Or Road Markings (AREA)
• Support Of Aerials (AREA)
• Replacement Of Web Rolls (AREA)
• Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=34953113

Family Applications (1)

Country Status (5)

Families Citing this family (1)

Family Cites Families (6)

• 2004
  • 2004-11-30 FR FR0412697A patent/FR2878501B1/fr not_active Expired - Fee Related
• 2005
  • 2005-11-29 EP EP05822976A patent/EP1879791B1/de not_active Not-in-force
  • 2005-11-29 DE DE602005015769T patent/DE602005015769D1/de active Active
  • 2005-11-29 AT AT05822976T patent/ATE437795T1/de not_active IP Right Cessation
  • 2005-11-29 WO PCT/FR2005/002960 patent/WO2006058991A1/fr active Application Filing

Non-Patent Citations (1)

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