WO1987005877A1 - Dispositif pour la fixaton amovible d'un wishbone au mat d'une planche a voile - Google Patents

Dispositif pour la fixaton amovible d'un wishbone au mat d'une planche a voile Download PDF

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Publication number
WO1987005877A1
WO1987005877A1 PCT/EP1987/000161 EP8700161W WO8705877A1 WO 1987005877 A1 WO1987005877 A1 WO 1987005877A1 EP 8700161 W EP8700161 W EP 8700161W WO 8705877 A1 WO8705877 A1 WO 8705877A1
Authority
WO
WIPO (PCT)
Prior art keywords
mast
boom
hook
clamping
axis
Prior art date
Application number
PCT/EP1987/000161
Other languages
German (de)
English (en)
Inventor
Hannes Marker
Original Assignee
Hannes Marker
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
Priority claimed from DE19863610694 external-priority patent/DE3610694A1/de
Priority claimed from DE19863619119 external-priority patent/DE3619119A1/de
Application filed by Hannes Marker filed Critical Hannes Marker
Publication of WO1987005877A1 publication Critical patent/WO1987005877A1/fr

Links

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 invention relates to a device for releasably attaching a boom to the mast of a sailing surfer.
  • boom boom connections are known in which the boom is attached to the mast that a Ta pen is firmly attached to its head piece, which is looped around the mast several times so that the head piece is close to the mast and the other end is then strapped into a clamp on the head piece or on the boom tube.
  • the disadvantages are that, in general, the rope can never be lashed tight enough by hand, so that the boom becomes looser and looser on the mast during use, which is undesirable, since this affects the control of the device.
  • Gabelb ⁇ um mast compounds in which the boom is applied with its head piece on the mast and engaged with his * tubes by high or low flaps in an acute-angled position to the mast and then a vor ⁇ in length tart agreed mast loop either by tamping or is formed by a tension band which is fixed at one end to the head piece of the boom, while the other end is connected to a prepared fastening point after the mast has been looped around.
  • a support nose or supports At the head of the boom towards the mast there is a support nose or supports, so that when Swiveling the G ⁇ belb ⁇ ume in its Gebr ⁇ uchsl ⁇ ge due to the here occurring distance change of the front head piece to the mast, the attachment points of the loop are moved forward, whereby a clamping connection of the tree with the mast occurs.
  • the invention therefore aims to provide a device for the releasable fastening of a boom to the mast of a sailing surfer which is extremely simple to manufacture and easy to handle.
  • a hook is provided on the end of the boom, which projects forward over the mast, for reaching behind the center and for holding the mast, which hook is inclined to its loading.
  • Load direction can be applied to the mast and can be fixed in its position of use on the mast by a tensioning device.
  • the fastening here only requires hooking the hook onto the mast and then tightening it to produce a clamp connection securing the boom to the mast. This eliminates the laborious manipulations that are required in the known devices.
  • a clamping member provided on the mast projecting forwardly from the mast for the purpose of interacting with the mast expediently serves as the clamping device.
  • This clamping member can simply be a clamping lug which is preferably made in one piece with the boom head piece.
  • a constructional variant provides that a jaw which is mounted with respect to the position of use on an axis extending transversely to the mast and which is correspondingly curved on the branch side is provided.
  • the hook can be articulated on the tensioning device and connected to the front end of the boom via this.
  • a tensioner preferably an over-center stram, serves expediently as the tensioning device for the hook.
  • the mast can be provided with a sleeve at the corresponding point.
  • the cuff is expediently made of flexible material.
  • an advantageous embodiment of the invention provides that the hook has an axis parallel to the articulation axis extending behind the mast, about which the hook part, which is designed as a jaw and encompasses the mast, can be pivoted.
  • This construction avoids a punctiform or linear transfer of the clamping force to the mast.
  • the present invention further aims to design the device in such a way that possible diameter differences of the masts for good fastening are achieved of the boom on the mast are irrelevant.
  • tensioning device and / or the hook have an elastic intermediate member.
  • the difference in diameter of different masts is compensated by such an intermediate member.
  • the change in the clamping force that occurs is practically imperceptible and therefore irrelevant.
  • Figure 1 shows a first embodiment of the device for releasable loading
  • FIG. 2 shows the device corresponding to FIG. 1 in the assembled state of the boom on the mast
  • FIG. 4 shows a diagrammatic representation of a device according to a second embodiment in the assembled state
  • FIG. 5 shows the device according to FIG. 4 in a partially cut-away side view and in the assembled state of the boom on the mast
  • FIG. 1 shows a representation of a third embodiment of the device corresponding to FIG. 4, - 6 -
  • Figure 8 shows the device corresponding to Figure 7, but in the assembled state of the boom on the mast, and
  • Figures 1 to 3 show a first embodiment of the device according to the invention for releasably attaching a fork body to the mast of a sailing surfer.
  • a mast 1 is only shown in its connection area.
  • the head piece of a boom, the spar behind the plane of the drawing is only shown and labeled 2, bears the reference number 3.
  • On the underside of the boom head piece there is a tab, which is labeled 4 and a Has slot 5, in which an eyelet 6 is movably mounted in the form of a ring.
  • the eyelet is part of a hook 7 which, according to the present invention, is provided for reaching behind the center and for holding the mast. (see Fig. 2 and 3.).
  • the part of the saddle tree head piece that comes into contact with the mast 1 is used in this embodiment as a tensioning device for tightening the hook 7 on the mast.
  • This tightening takes place, starting from the illustration according to FIG. 1, by pivoting the boom into its use position corresponding to FIG. 2, in which it is fixed - 7 -
  • FIGS. 4 and 5 corresponds in principle to the embodiment just described, so that only the structural differences are dealt with below.
  • the fork head piece 8 shown bears on its upper side a bearing block 9 for the hook designated as a whole by 10.
  • This hook has a extending behind the mast 1 of its articulation axis 11 in the position block 9 parallel axis 12, on which a jaw 13 is pivotally mounted, which forms the hook part encompassing the mast and clamps the mast when pivoting the boom into its position of use and thus holds the boom securely on the mast (see Fig. 5).
  • the boom head piece S has a transverse axis 14 on which a jaw 15 corresponding to the jaw 13 is pivotally mounted.
  • the hook 10 is tensioned again by pivoting the boom, in which case the pivot point for the boom is formed by the axis 14.
  • FIG. 6 corresponds to that according to FIGS. 4 and 5, with only a roller 10 being used instead of the jaw 15, which is approximately concave in accordance with the radius of the mast.
  • This design has the advantage that the friction on the mast is reduced when the boom is pivoted.
  • Figures 7 to 9 show a device according to the invention, in which the boom is not itself used as a clamping device for the hook.
  • Figure 7 shows the device in the state of mounting the boom on the mast 1.
  • the head piece 20 of the boom is shown in section and thus only the spar 21 of the boom lying behind the plane of the drawing.
  • the boom headpiece carries on his
  • the second arm of the lever 23, which is designated by 27, serves as a handle for tightening the hook 26 on the mast 1.
  • the abutment forms the boom head piece 20 with its central part lying against the mast.
  • a locking bolt 29 which can be swiveled about an axis 28 is provided at the free end of the second lever arm 27 and can be hooked onto the spar of the boom (see FIG. 9).
  • the parts which come into contact with the mast when fastening the boom can be coated with an elastic material.
  • the mast can also be provided with a cuff at the corresponding point.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Clamps And Clips (AREA)
  • Jib Cranes (AREA)

Abstract

Dispositifs permettant à la fixation amovible d'un wishbone au mât d'une planche à voile, qui sont à la fois faciles à fabriquer et simples à manipuler. A cet effet, à l'extrémité (3) du wishbone, qui fait saillie sur l'avant du mât (1), est fixé de manière articulée un crochet (7) permettant d'en saisir le milieu depuis l'arrière et permettant de tenir le mât, le crochet s'attachant au mât (1) obliquement par rapport à son sens de charge et se fixant au mât dans sa position d'utilisation à l'aide d'un système de serrage.
PCT/EP1987/000161 1986-03-29 1987-03-20 Dispositif pour la fixaton amovible d'un wishbone au mat d'une planche a voile WO1987005877A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEP3610694.1 1986-03-29
DE19863610694 DE3610694A1 (de) 1986-03-29 1986-03-29 Vorrichtung zur loesbaren befestigung eines gabelbaumes am mast eines segelsurfers
DEP3619119.1 1986-06-06
DE19863619119 DE3619119A1 (de) 1986-06-06 1986-06-06 Vorrichtung zur loesbaren befestigung eines gabelbaumes am mast eines segelsurfers

Publications (1)

Publication Number Publication Date
WO1987005877A1 true WO1987005877A1 (fr) 1987-10-08

Family

ID=25842456

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1987/000161 WO1987005877A1 (fr) 1986-03-29 1987-03-20 Dispositif pour la fixaton amovible d'un wishbone au mat d'une planche a voile

Country Status (3)

Country Link
EP (1) EP0261214A1 (fr)
JP (1) JPS63502980A (fr)
WO (1) WO1987005877A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988004630A1 (fr) * 1986-12-19 1988-06-30 Hannes Marker Dispositif pour la fixation amovible d'une bome fourchue sur le mat d'une planche a voile
EP0274667A1 (fr) * 1986-12-09 1988-07-20 North Sails Windsurfing GmbH Fixation de wishbone sur un mât, en particulier pour planche à voile

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2019333A (en) * 1978-04-17 1979-10-31 Marker Hannes Apparatus on sailing surfboards
WO1982004425A1 (fr) * 1981-06-11 1982-12-23 Gaide Albert Dispositif de retenue de la bome pour planches a voile
FR2511647A1 (fr) * 1981-08-21 1983-02-25 Mac Nelly Malcolm Mecanisme de bridage pour verrouiller un gui sur un mat
FR2559450A1 (fr) * 1984-02-13 1985-08-16 Commowick Jean Francois Etrier attache wishbone sur mat de planche a voile
EP0158117A1 (fr) * 1984-03-13 1985-10-16 Mistral Windsurfing AG Gréement pour une planche à voile
DE3424858A1 (de) * 1984-07-06 1986-01-16 Steffen 8500 Nürnberg Baden Gabelbaumvorderteil mit einem mastschnellverschluss fuer windsurfboards

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2019333A (en) * 1978-04-17 1979-10-31 Marker Hannes Apparatus on sailing surfboards
WO1982004425A1 (fr) * 1981-06-11 1982-12-23 Gaide Albert Dispositif de retenue de la bome pour planches a voile
FR2511647A1 (fr) * 1981-08-21 1983-02-25 Mac Nelly Malcolm Mecanisme de bridage pour verrouiller un gui sur un mat
FR2559450A1 (fr) * 1984-02-13 1985-08-16 Commowick Jean Francois Etrier attache wishbone sur mat de planche a voile
EP0158117A1 (fr) * 1984-03-13 1985-10-16 Mistral Windsurfing AG Gréement pour une planche à voile
DE3424858A1 (de) * 1984-07-06 1986-01-16 Steffen 8500 Nürnberg Baden Gabelbaumvorderteil mit einem mastschnellverschluss fuer windsurfboards

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0274667A1 (fr) * 1986-12-09 1988-07-20 North Sails Windsurfing GmbH Fixation de wishbone sur un mât, en particulier pour planche à voile
WO1988004630A1 (fr) * 1986-12-19 1988-06-30 Hannes Marker Dispositif pour la fixation amovible d'une bome fourchue sur le mat d'une planche a voile

Also Published As

Publication number Publication date
EP0261214A1 (fr) 1988-03-30
JPS63502980A (ja) 1988-11-02

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