EP0460438B1 - Dispositif de fixation d'un aileron à une planche à voile - Google Patents

Dispositif de fixation d'un aileron à une planche à voile Download PDF

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Publication number
EP0460438B1
EP0460438B1 EP91107973A EP91107973A EP0460438B1 EP 0460438 B1 EP0460438 B1 EP 0460438B1 EP 91107973 A EP91107973 A EP 91107973A EP 91107973 A EP91107973 A EP 91107973A EP 0460438 B1 EP0460438 B1 EP 0460438B1
Authority
EP
European Patent Office
Prior art keywords
fin
securing device
shank
box
sailboard
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
EP91107973A
Other languages
German (de)
English (en)
Other versions
EP0460438A2 (fr
EP0460438A3 (en
Inventor
Ferenc Dipl.-Ing. Molnar
Helmut Kirner
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.)
F2 International GmbH
Original Assignee
F2 International GmbH
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25901369&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0460438(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE9005686U external-priority patent/DE9005686U1/de
Application filed by F2 International GmbH filed Critical F2 International GmbH
Publication of EP0460438A2 publication Critical patent/EP0460438A2/fr
Publication of EP0460438A3 publication Critical patent/EP0460438A3/de
Application granted granted Critical
Publication of EP0460438B1 publication Critical patent/EP0460438B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 
    • B63B32/00—Water sports boards; Accessories therefor
    • B63B32/60—Board appendages, e.g. fins, hydrofoils or centre boards
    • B63B32/66—Arrangements for fixation to the board, e.g. fin boxes or foil boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B2035/009—Wind propelled vessels comprising arrangements, installations or devices specially adapted therefor, other than wind propulsion arrangements, installations, or devices, such as sails, running rigging, or the like, and other than sailboards or the like or related equipment

Definitions

  • the invention relates to a fastening device for a fin on a sailing board according to the preamble of claim 1.
  • a fastening device is known from DE 89 14 336.1 U1.
  • the fin shaft and the receiving box form a conical seat in that the side faces of the fin shaft and the associated side faces of the receiving box are at an acute angle to one another.
  • the fin is held there by a snap mechanism in the fin box, whereby by exerting a force on the fin blade beyond a predetermined amount, this mechanism triggers and allows the fin to be pivoted out of the fin box.
  • circular recesses are provided on the front and rear edge of the fin shaft, into which cylindrical counter-surfaces of the fin box and the swivel mechanism engage. In relation to the longitudinal section of the fin shaft, the fin is only clamped by these cylindrical bearings.
  • DE 27 46 756 A1 and DE 31 14 898 A1 show fins rotatable about a pivot bearing, the shaft of which is circular is bent, the center of the circle coinciding with the position of the pivot point.
  • a fastening device for a fin on a sail board is described in the DE magazine “Surf- Magazine", issue 4/9, p.55-58, in which a receiving or fin box is laminated into the sail board.
  • the fin box has an opening pointing towards the underside of the sail board, into which a fin shaft is inserted and screwed there.
  • the ratio between the length of the fin and the length of the shaft was very large, for example 9 to 1, which results in a very unfavorable lever arm for fastening.
  • "Tuttle-Box” loc. Cit.
  • This ratio was made more favorable by extending the shaft.
  • the fin box is therefore higher and extends essentially through the entire thickness of the sail board.
  • the front and rear sides of the fin shaft are chamfered to enable the shaft to be inserted into the receiving box.
  • the object of the invention is to improve the fastening device mentioned at the outset in such a way that, with improved stability, it enables the fin to be easily removed from the fin box when it comes into contact with ground or on another obstacle or for normal dismantling.
  • This conical seat provides a large-area contact area between the side surfaces of the fin shaft and the associated surfaces in the opening of the receiving box. In this way, a firm, play-free fit is achieved on the one hand and at the same time the surface pressure of the touching parts is reduced, which increases the overall strength. Due to the cone seat, the full area is also supported so that the full length of the fin shaft is available as a lever arm.
  • the cone angle between a side surface and the main axis is preferably 6 °.
  • the front (based on the direction of travel) of the fin shaft is curved in the form of a segment of a circle. This ensures that the fin can be easily rotated backwards when it comes into contact with ground or another obstacle in relation to the direction of travel. As particularly cheap a radius of 120 mm has been found for the curvature of the front.
  • the back of the fin shaft is chamfered, preferably at an angle of 1 °.
  • the upper side of the shaft is also inclined from the front to the rear (based on the direction of travel), preferably at an inclination angle of 7.1 °. This ensures that the fin shaft is longer in the area of higher mechanical loads than in areas of lower load, which leads to the most even possible distribution of force on the fin shaft with the least possible use of material.
  • the fin shaft is preferably screwed to the receiving box, this screw preferably being made of plastic and having a precisely defined tear-off force. When touching the ground, this screw breaks and the fin is removed without further destruction.
  • a corresponding threaded insert for the screw is preferably inserted in a recess in the upper side of the shaft.
  • FIGS. 1 to 4 First, the first embodiment of FIGS. 1 to 4 will be described.
  • the fin 1 has a fin blade 2 and a fin shaft 3 integrally molded thereon.
  • the front side 4 of the shaft 3 pointing in the direction of travel is curved in the form of a segment of a circle, namely with a radius 11, which here is 120 mm.
  • the top 5 is inclined downwards from the front 4 to the rear 6.
  • the underside 7 of the shaft, on which the fin blade 2 is molded, extends in a straight line and perpendicular to a central axis 21.
  • each side surface 8 and 9 of the shaft run mirror-symmetrically with respect to the central axis 21 and taper to a point at a cone angle 10 towards the free end of the shaft.
  • the cone angle of each side surface is preferably 6 °.
  • the back 6 of the shaft 3 is tapered towards the free end of the shaft with a helix angle 12 of 1 °.
  • the front side 4, the top side 5 and the rear side 6 are - as can best be seen from the top view of FIG. 3 - mirror-symmetrically inclined to a central plane 19, the angle of inclination 20 between a perpendicular to the central plane 19 and the corresponding surface 14 ° is.
  • the helix angle 22 of the top 5 with respect to the bottom 7 is 7.1 °.
  • the height 15 of the front 4 measured perpendicular to the bottom 7 is preferably 49.5 mm.
  • the height 16 of the back 6 is 29.5 mm.
  • the length 17 of the bottom 7 is 160.2 mm.
  • the thickness 18 of the shaft 3 measured on the underside 7 is 16.1 mm.
  • Fig. 4 shows the receiving or fin box 23 with a receiving opening 24 for the fin shaft.
  • a receiving opening 24 for the fin shaft.
  • two webs 27 are provided in the bottom of the opening 25, which serve as a stop for the top 5 of the fin shaft 3.
  • the sleeve 26 projects into the interior of the opening 25, which is why the fin shaft has the depression 13. This sleeve serves to stiffen the fin box.
  • a plurality of projecting webs are provided, which serve for the positive anchoring of the fin box in the sail board.
  • FIG. 6 shows a variant in which the fin can be displaced translationally parallel to the longitudinal axis of the sail board (cf. arrow 52).
  • the through opening 25 at the top of the receiving box is designed as an elongated hole.
  • the receiving opening 24 of the fin box 23 is longer than the fin shaft.
  • insert pieces 41 and 42 are provided which have different thicknesses, so that the position of the fin relative to the fin box can be precisely determined. The position can then be varied with a set of inserts of different thicknesses.
  • these inserts 41, 42 can have legs 54 and 55, which overlap the top of the fin shaft, and which at the same time also serve as a stop.
  • Fig. 7 shows a further embodiment which can be used in all the variants described.
  • the top of the receiving box is arranged sunk corresponding to the trough 13 (Fig. 1), so that there is a trough 37 on the outside of the receiving box.
  • This trough can be closed by a cover 38 which is sealed by a circumferential seal 39. This creates a hermetically sealed cavity that is used to hold tool spare parts etc.
  • the fin is secured by a safety rope 40 which is fastened on the one hand to the fin shaft and on the other hand to the receiving box. If the screw 48 tears off at its predetermined breaking point against an underwater obstacle, the fin is secured against complete loss by the safety rope 40.
  • the wedges can also be secured in a corresponding manner.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Clamps And Clips (AREA)
  • Connection Of Plates (AREA)
  • Adornments (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Claims (19)

  1. Dispositif de fixation d'un aileron à une planche à voile, muni d'un boîtier de réception fixé à la planche à voile, comprenant une ouverture pour la réception d'un manche d'aileron, dans lequel les côtés du manche d'aileron et les côtés du boîtier de réception sont inclinés sous un angle aigu par rapport à l'axe central de l'aileron, de façon à ce que le manche d'aileron soit de forme pointue en direction de son extrémité libre et à ce qu'un conus soit formé entre les côtés du manche d'aileron et les côtés du boîtier de réception tourné vers celui-ci, caractérisé en ce que
    a) le manche d'aileron (3), vu de côté, présente une face frontale en forme de segment de cercle,
    b) le manche d'aileron (3), vu de côté, présente un côté dorsal (6) incliné sous un angle aigu (12) par rapport à l'axe central (21) pour la formation d'un siège de conus (28) par rapport à une coupe longitudinale (vue de côté) du manche d'aileron (3).
  2. Dispositif de fixation selon la revendication 1, caractérisé en ce qu'une dépression (13) est formée dans le bord supérieur (5) du manche d'aileron (3) au fond de laquelle est présente une douille taraudée (14) et en ce que le boîtier de réception (23) présente un passage (25) en face de la douille taraudée (14) pour la fixation de l'aileron dans la boîtier de réception au moyen d'une vis.
  3. Dispositif de fixation selon la revendication 2, caractérisé en ce que la vis présente une résistance à la rupture prédéterminée.
  4. Dispositif de fixation selon la revendication 3, caractérisé en ce que la vis présente une entaille perpendiculaire à l'axe longitudinal faisant fonction de point destiné à la rupture.
  5. Dispositif de fixation selon la revendication 3 ou 4, caractérisé en ce que la vis est on matière synthétique.
  6. Dispositif de fixation selon la revendication 1, caractérisé en ce que la hauteur (15) du manche d'aileron (3) est plus grande à son bord frontal (4) qu'à son bord postérieur (6).
  7. Dispositif de fixation selon la revendication 6, caractérisé en ce que la hauteur du boîtier de l'aileron à son bord frontal (4) est de 49,5 mm et son bord postérieur (6).de 29,5 mm.
  8. Dispositif du fixation selon la revendication 7, caractérisé en ce que le bord supérieur du manche d'aileron présente un angle de 7° entre la verticale et l'axe central (21).
  9. Dispositif de fixation selon la revendication 1, caractérisé en ce que l'angle (12) entre la côté arrière (6) du manche d'aileron (3) et de l'axe central (21) vaut 1°.
  10. Dispositif de fixation selon la revendication 1, caractérisé en ce que l'angle de conus (10) du siège de conus (28) vaut 6°.
  11. Dispositif de fixation selon la revendication 1, caractérisé en ce que le rayon de cercle (11) du bord frontal (4) vaut 120 mm.
  12. Dispositif de fixation selon la revendication 2, caractérisé en ce que le côté supérieur du boîtier de l'aileron (23) présente également une dépression (37), en ce que cette dépression est accessible par le côté supérieur de la planche à voile et peut être fermée par un couvercle (38).
  13. Dispositif de fixation selon la revendication 12, caractérisé en ce qu'un joint (39) est prévu entre le couvercle (38) et la dépression (37).
  14. Dispositif de fixation selon la revendication 3, caractérisé en ce que le manche d'aileron (3) est relié en plus par une corde de suspension (40) au boîtier de réception (23).
  15. Dispositif de fixation selon la revendication 1-14, caractérisé en ce que la longueur de l'ouverture de réception (24) du boîtier de l'aileron (23), vue en direction longitudinale de la planche à voile, est plus grande que la longueur du manche d'aileron (3) et en ce qu'au côté frontal (4) et/ou au côté dorsal (6) du manche d'aileron (3) sont prévues des pièces d'insertion (41, 42) interchangeables.
  16. Dispositif selon la revendication 15, caractérisé en ce que les pièces d'insertion (41, 42) ont des dimensions différentes mesurées en direction longitudinale de la planche à voile.
  17. Dispositif de fixation selon la revendication 15 ou 16, caractérisé en ce que l'ouverture de passage (25) aux côtés supérieurs du boîtier de l'aileron (23) est un trou allongé.
  18. Dispositif de fixation selon l'une quelconque des revendications 2 à 16, caractérisé en ce que la vis de fixation est disposée au milieu entre le côté frontal (4) et le côté dorsal (6) du manche d'aileron (3).
  19. Dispositif de fixation selon l'une quelconque des revendications 1 à 17, caractérisé en ce que la boîtier de réception (23) est rendu hermétiquement étanche par rapport au pont de la planche à voile.
EP91107973A 1990-05-18 1991-05-16 Dispositif de fixation d'un aileron à une planche à voile Expired - Lifetime EP0460438B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE9005686U 1990-05-18
DE9005686U DE9005686U1 (de) 1990-05-18 1990-05-18 Befestigungseinrichtung für eine Finne an einem Segelbrett
DE4105990A DE4105990C2 (de) 1990-05-18 1991-02-26 Befestigungseinrichtung für eine Finne an einem Segelbrett
DE4105990 1991-02-26

Publications (3)

Publication Number Publication Date
EP0460438A2 EP0460438A2 (fr) 1991-12-11
EP0460438A3 EP0460438A3 (en) 1992-03-18
EP0460438B1 true EP0460438B1 (fr) 1995-10-04

Family

ID=25901369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91107973A Expired - Lifetime EP0460438B1 (fr) 1990-05-18 1991-05-16 Dispositif de fixation d'un aileron à une planche à voile

Country Status (4)

Country Link
US (1) US5176096A (fr)
EP (1) EP0460438B1 (fr)
JP (1) JPH05105188A (fr)
AT (1) ATE128683T1 (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5328397A (en) * 1992-03-09 1994-07-12 Fin Control Systems Pty. Limited Surf fin fixing system
US5493989A (en) * 1994-06-27 1996-02-27 Anderson; Steven C. Adjustable fin box system
US7157406B2 (en) 1994-12-17 2007-01-02 Basf Aktiengesellschaft Catalysts or carriers which consist essentially of monoclinic zirconium dioxide
US5649846A (en) * 1995-01-06 1997-07-22 Harper; Derek Pivotable fin system
AU693962B2 (en) * 1995-01-06 1998-07-09 Jim Banks Pivotable fin system
DE19622223A1 (de) * 1996-06-03 1997-12-04 Colin Patterson Surf- oder Segelbrett und Verfahren zu dessen Herstellung
JP2001520961A (ja) * 1997-10-27 2001-11-06 パット−テック ピーティーワイ リミテッド フィンアセンブリ
US5997376A (en) * 1998-11-24 1999-12-07 Block; Larry A. Surboard fin mounting system
AUPP744198A0 (en) * 1998-12-01 1998-12-24 Milne, John De Courcey Surfboards and improvements to surfboards
US6213044B1 (en) 2000-02-07 2001-04-10 John M. Rodgers Water craft with adjustable fin
US6247985B1 (en) * 2000-08-28 2001-06-19 Larry A. Block Surfboard box cover
FR2823175B1 (fr) * 2001-04-10 2003-09-19 Guy Munoz Dispositif de positionnement d'avant en arriere et de fixation d'une derive d'engin nautique dans un boitier
US6752674B2 (en) 2002-05-23 2004-06-22 Oam, Llc Sportboard fin attachment system
US6595817B1 (en) * 2002-06-17 2003-07-22 Kung-Chao Chang Surfboard
US20030236039A1 (en) * 2002-06-19 2003-12-25 Banys Victor Julio Coupling keel for surfboards and the like
US20050064775A1 (en) * 2003-09-22 2005-03-24 William White Surfboard fin box with detachable, leashed fin
US7285031B2 (en) * 2004-07-20 2007-10-23 Larry William Allison Fin systems
JP4926606B2 (ja) * 2006-08-23 2012-05-09 利道 柴田 サーフフィン
US8465334B2 (en) * 2007-12-14 2013-06-18 Origin Fin Systems Pty Ltd. Fin box
DE102008039846B3 (de) * 2008-08-27 2009-11-26 Aichinger, Jürgen Finne
AU2011200169B2 (en) * 2009-08-25 2013-09-26 Surf Composites Pty Ltd Fin
AU2013204785C1 (en) 2012-07-09 2019-09-05 Fin Control Systems Pty. Limited Fin Plug for Water Craft
AU2013204755A1 (en) 2012-11-14 2014-05-29 Fin Control Systems Pty. Limited A Fin Plug for a Water Craft

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3422471A (en) * 1967-04-03 1969-01-21 Thomas H Morey Surfboard with removable skeg
US3516100A (en) * 1968-03-13 1970-06-23 Robert Ellis Automatically adjusting skeg for surfboards
US3516099A (en) * 1968-06-17 1970-06-23 Thomas H Morey Mounting structure for removable surfboard fin
US3579681A (en) * 1969-04-01 1971-05-25 Karl D Pope Sectional and longitudinally adjustable surfboard fin assembly
AU435609B2 (en) * 1971-01-22 1973-05-11 Hanimex Pty. Ltd. Improvements in surfboards, floats andthe like
DE3044714A1 (de) * 1980-11-27 1982-06-24 Hannes 8100 Garmisch-Partenkirchen Marker Segelbrett mit verstellbarer finne
DE3221383A1 (de) * 1982-03-09 1983-10-13 Mistral Windsurfing AG, 8303 Bassersdorf Finne fuer ein windsurfbrett
DE3307412A1 (de) * 1983-03-02 1984-09-06 Franz 8011 Neukeferloh Hegele Vorrichtung zur loesbaren befestigung eines finnenkopfs an einem segelbrett
FR2639897B1 (fr) * 1988-12-02 1991-03-01 S R Ind Dispositif de fixation d'un aileron sous la surface d'une planche a voile ou d'un engin nautique analogue
DE8914336U1 (de) * 1989-05-09 1990-02-08 Zander, Wolf-Dietrich, 2330 Windeby Vorrichtung zur lösbaren Befestigung eines Finnenschaftes
DE9005686U1 (de) * 1990-05-18 1990-07-26 F 2 International Ges.m.b.H., Kirchdorf, Krems Befestigungseinrichtung für eine Finne an einem Segelbrett

Also Published As

Publication number Publication date
JPH05105188A (ja) 1993-04-27
ATE128683T1 (de) 1995-10-15
US5176096A (en) 1993-01-05
EP0460438A2 (fr) 1991-12-11
EP0460438A3 (en) 1992-03-18

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