EP0446654B1 - Mast für Segelfahrzeuge - Google Patents

Mast für Segelfahrzeuge Download PDF

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Publication number
EP0446654B1
EP0446654B1 EP91102256A EP91102256A EP0446654B1 EP 0446654 B1 EP0446654 B1 EP 0446654B1 EP 91102256 A EP91102256 A EP 91102256A EP 91102256 A EP91102256 A EP 91102256A EP 0446654 B1 EP0446654 B1 EP 0446654B1
Authority
EP
European Patent Office
Prior art keywords
mast according
profiles
mast
profile
tubes
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.)
Expired - Lifetime
Application number
EP91102256A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0446654A1 (de
Inventor
Hilbert Noorman
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0446654A1 publication Critical patent/EP0446654A1/de
Application granted granted Critical
Publication of EP0446654B1 publication Critical patent/EP0446654B1/de
Anticipated expiration legal-status Critical
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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

Definitions

  • the invention relates to a mast for sailing vehicles with two spaced profiles and with traverses that extend between these profiles.
  • Such a mast is known for example from GB 2 037 686 A. Two profiles running parallel to one another, the cross-section of which is approximately drop-shaped, are shown. The approximately teardrop-shaped cross section of the two profiles is intended to produce the entire mast with a relatively low air resistance. However, the stiffness of such a mast is often unsatisfactory in practice.
  • the invention has for its object to provide a mast that is very rigid and also achieves a good aerodynamic effect.
  • This object on which the invention is based is achieved by a concave course of the two inner profile surfaces.
  • the space between the two profiles be bulged, which results in a particularly rigid construction of the mast in connection with the crossbeams arranged between the two profiles.
  • 1 designates two symmetrically spaced profiles, each having an inner profile surface 2, an outer profile surface 3, a front edge 4 and one Have trailing edge 5.
  • the space between the two profiles 1 is filled in at regular intervals by a cross-member 6. Where the crossmember 6 rests on the front edge 4 of a profile, there is a front corner 7 of the crossmember 6 and correspondingly there are rear corners 8 of the crossmember 6 where it rests on the rear edges 5 of the profile 1.
  • An imaginary axis 9 runs from a front corner 7 to a rear corner 8 on each side of the mast.
  • the concave course of the two inner profile surfaces 2 of the profiles 1, that is to say the bulbous configuration of the space between the two profiles 1, causes the axis 9 to run for the most part not through a profile 1 but through the cross member 6.
  • the cross member 6 absorbs a large part of the stresses and causes the entire mast to be designed to be extremely rigid.
  • a mast is shown, in which the respective profiles 1 consist of individual wooden strips 10, so that the profile cross-sections are filled cross-sections with substantially the same distance between the inner and outer profile surface 2 and 3.
  • Such a mast construction is for example for masts provided relatively low height.
  • Fig. 2 is a fundamentally similar mast as shown in Fig. 1, but the individual profiles 1 each consist of hollow profiles.
  • the inner surfaces 2 and outer surfaces 3 are essentially formed from thin wooden strips 11, the outside with a GRP cover 12 are provided, while the interior between the wooden strips 11 is filled with a polyurethane foam 14.
  • ribs 15 are arranged one above the other in each profile to stiffen the profile. Such a rib 15 can be seen in FIG. 2 in the right profile 1, the section through this right profile being offset in height compared to the section through the left profile 1 shown in FIG. 2.
  • a cross member 6 is arranged, the transition between the cross member 6 and the profile 1 being rounded, which is indicated by the area 16 shown in FIG. 2 along the inner surface 2 of the right profile.
  • an empty space 17 is provided in the interior of the profile, in order, for example, to be able to lay cables for electrical lighting in a protected manner.
  • Fig. 3 shows a schematic front view of the mast according to Fig. 2, wherein the larger distance between the two leading edges, which is marked with A v , compared to the smaller distance between the two trailing edges, marked with A h , and the rounded course the transitions from the cross member 6 to the two profiles 1.
  • the two profiles 1 are closed at the top by a plate which has eyelets for fixing or deflecting z.
  • Fig. 4 shows a third embodiment of a mast according to the invention, in which in the profiles 1 a plurality of tubes 18 run lengthwise in the mast.
  • the tubes 18 are hexagonal and extend with two opposite tips of the hexagon into the inner and outer profile surfaces 2 and 3, respectively.
  • the various tubes 18 each adjoin one another with surfaces, slight gaps between these surfaces being filled, for example by epoxy resin, and the individual tubes 18 being glued to one another in this way.
  • the tubes 18 themselves can consist, for example, of wooden strips, which are initially applied to a common film, the wooden strips being mitred so that glue can be placed between the strips in a simple manner and the film is then quasi rolled, so that the individual strips put together with their mitred edges and the tubes 18 result.
  • the tubes 18 may be wrapped, e.g. B. with a plastic laminate to improve the rigidity and kink resistance of the tubes 18.
  • the tubes 18 can not only be constructed from individual struts, but alternatively also consist of hollow profiles, e.g. B. from a hexagonal aluminum tube.
  • the tubes 18 can be empty or filled with a foam.
  • a rib made of wood or plastic or a metal can be provided, for example, at the level of the crossbeams.
  • the embodiment according to FIG. 4 has crossbeams 6a, the side surface of which is not determined by the contour of the inner profile surfaces 2, but these crossbeams 6a extend in the region of the tubes 18 directly to the tubes 18, so that there is a jagged edge region there Trusses 6a is present. In the case of round tubes, a correspondingly wavy edge region of the cross members 6a would be provided.
  • the cabling can - as described above - take place through an empty pipe 17.
  • a slight notch can be provided at the junction between two wooden strips 10, in which the line is laid directly and glued in between the wooden strips 10.
  • the insulation is e.g. B. in lacquer-insulated copper wires so well protected by the wooden strips 10 that no further insulation is necessary.
  • electrical lines or the running material can either through the tubes 18 or through the triangular spaces shown between the Tubes 18 and the outer profile surface 3 run.
  • the luff of the sail assigned to the mast taut and to guide it in order to achieve good aerodynamic effects in accordance with the task, it may be advantageous to keep the luff of the sail assigned to the mast taut and to guide it.
  • means can be provided on some or all of the traverses 6 and 6a in order to fasten holding devices for fixing the luff.
  • the luff can be inserted into a metal profile which is fixed with several connections to holes which are formed in the end area of the cross members 6 or 6a or which are formed in metal tongues which are attached to the ends of the cross members 6 or 6a.
  • a hook can also be provided in the rear area of the crossbeams 6 and 6a, around which an eyelet engages, which in turn is connected to the metal profile into which the luff of the sail is drawn. In this way, the luff cannot bulge away from the mast, so that in any case the aerodynamic effect of the mast according to the invention can act optimally on the sail.
  • FIG. 5 and 6 show a rotatable connection of a sail 19 to the mast.
  • the sail 19 has a batten 20 in the area of each aerodynamically profiled cross-member 6a.
  • a holder 21 encompasses the mast-side end of the batten 20 and engages with its other end a profile strip 22.
  • the profile strip runs from the mast top to the mast base and consists, for. B. made of aluminum. In order to increase the strength, it has a steel wire 23 with a plastic sheathing in the middle of its circular head section 24 on.
  • connection 25 which is welded to the profile strip 22, extends to the end area of the cross member 6a, which is formed by a metal tongue, a wood or plastic laminate 26.
  • the connection 25 is rotatably held there by a bolt 27, the bolt 27 passing through a bore 28 shown in FIG. 4.
  • the range of motion of the connection 25 with respect to the cross member 6a is limited by the depth of a cutout 29 in the connection 25.
  • the rotatable bearing allows a streamlined adjustment of the sail position to the direction of the incoming wind.
  • the tight guidance of the sail's luff which ensures a constant distance between the sail and mast, it is possible to go as high as possible to the wind. In this way, the aerodynamic advantages of the mast according to the invention are supported and reinforced.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Tents Or Canopies (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Jib Cranes (AREA)
  • Wind Motors (AREA)
  • Toys (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Threshing Machine Elements (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Catching Or Destruction (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
EP91102256A 1990-03-13 1991-02-18 Mast für Segelfahrzeuge Expired - Lifetime EP0446654B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4007951 1990-03-13
DE4007951A DE4007951C1 (enExample) 1990-03-13 1990-03-13

Publications (2)

Publication Number Publication Date
EP0446654A1 EP0446654A1 (de) 1991-09-18
EP0446654B1 true EP0446654B1 (de) 1993-09-22

Family

ID=6402082

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91102256A Expired - Lifetime EP0446654B1 (de) 1990-03-13 1991-02-18 Mast für Segelfahrzeuge

Country Status (11)

Country Link
US (1) US5131344A (enExample)
EP (1) EP0446654B1 (enExample)
JP (1) JPH04218486A (enExample)
AU (1) AU635395B2 (enExample)
DE (2) DE4007951C1 (enExample)
DK (1) DK0446654T3 (enExample)
ES (1) ES2045966T3 (enExample)
FI (1) FI910994L (enExample)
NO (1) NO910980L (enExample)
PT (1) PT96996A (enExample)
YU (1) YU44891A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT507112B1 (de) * 2008-07-21 2012-12-15 Stefan Vintera Mast für segelfahrzeuge
US10814937B2 (en) * 2017-12-13 2020-10-27 Linear Market Technical Services Corporation Protective cover for sail connectors

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US601494A (en) * 1898-03-29 Spar for vessels
US127047A (en) * 1872-05-21 Improvement in iviasts and spars for vessels
US986258A (en) * 1910-08-08 1911-03-07 Henry W Yost Post or bar.
FR829674A (fr) * 1937-03-03 1938-07-04 Poutre métallique à âme en étoile et son procédé de construction
US2519230A (en) * 1945-06-26 1950-08-15 Hugh M Crankshaw Mast and spar of yachts and other craft
FR1372810A (fr) * 1963-10-03 1964-09-18 Profils télescopiques à flexibilité variable
GB1153915A (en) * 1966-11-25 1969-06-04 Oscar Vilhelm Plym An Arrangement in Masts for Sailing-Boats
BE743988A (fr) * 1970-01-02 1970-06-30 Fairey S A Mats composites et leur procede de fabrication.
US3724412A (en) * 1971-05-26 1973-04-03 J Blecker Mast for sailing vessels
US3835804A (en) * 1973-02-01 1974-09-17 P Jackson Sail furling
US3814835A (en) * 1973-03-15 1974-06-04 Schaefer Marine Prod Mast cable assembly
AU1780576A (en) * 1975-09-25 1978-03-23 Clifford Ind Pty Ltd Yacht mast
NL7605214A (en) * 1976-05-14 1977-11-16 Jan De Vroome Vertically split sail boat mast - forms venturi gap which points towards leeward side of sail with vertically pivoted valve flap carrying sail
US4230060A (en) * 1977-11-11 1980-10-28 Mccoy John D Sailing system
GB2037686A (en) * 1978-12-19 1980-07-16 Ohno N Sailboat masts
NL8402779A (nl) * 1984-09-12 1986-04-01 Albert Dubbeld Werkwijze voor het vervaardigen van een hol cilindrisch lichaam, alsmede lichaam verkregen met toepassing van deze werkwijze.
WO1988003889A1 (en) * 1986-11-20 1988-06-02 Johannes Pieter Van Gelder A mast
US4909170A (en) * 1987-09-04 1990-03-20 Sea Tek Incorporated. Sailboat mast assembly

Also Published As

Publication number Publication date
NO910980D0 (no) 1991-03-12
ES2045966T3 (es) 1994-01-16
DE4007951C1 (enExample) 1991-03-14
AU635395B2 (en) 1993-03-18
NO910980L (no) 1991-09-16
AU7206091A (en) 1991-09-19
FI910994A0 (fi) 1991-02-28
FI910994A7 (fi) 1992-08-29
DE59100390D1 (de) 1993-10-28
FI910994L (fi) 1992-08-29
PT96996A (pt) 1993-02-26
DK0446654T3 (da) 1994-02-21
JPH04218486A (ja) 1992-08-10
US5131344A (en) 1992-07-21
EP0446654A1 (de) 1991-09-18
YU44891A (sh) 1995-03-27

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