EP2316722B1 - Aquaplane sporting device - Google Patents

Aquaplane sporting device Download PDF

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Publication number
EP2316722B1
EP2316722B1 EP09013549A EP09013549A EP2316722B1 EP 2316722 B1 EP2316722 B1 EP 2316722B1 EP 09013549 A EP09013549 A EP 09013549A EP 09013549 A EP09013549 A EP 09013549A EP 2316722 B1 EP2316722 B1 EP 2316722B1
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EP
European Patent Office
Prior art keywords
bending
board according
sports board
gliding sports
gliding
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.)
Not-in-force
Application number
EP09013549A
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German (de)
French (fr)
Other versions
EP2316722A1 (en
Inventor
Thomas Dipl.-Ing. Gumpinger
Rainer Dipl-Ing. Gumpinger
Dieter Prof. Dr.-Ing. Krause
Benedikt Plaumann
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.)
Technische Universitaet Hamburg TUHH
Tutech Innovation GmbH
Original Assignee
Technische Universitaet Hamburg TUHH
Tutech Innovation GmbH
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Filing date
Publication date
Application filed by Technische Universitaet Hamburg TUHH, Tutech Innovation GmbH filed Critical Technische Universitaet Hamburg TUHH
Priority to PL09013549T priority Critical patent/PL2316722T3/en
Priority to EP09013549A priority patent/EP2316722B1/en
Priority to ES09013549T priority patent/ES2389462T3/en
Publication of EP2316722A1 publication Critical patent/EP2316722A1/en
Application granted granted Critical
Publication of EP2316722B1 publication Critical patent/EP2316722B1/en
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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 
    • B63B32/00—Water sports boards; Accessories therefor
    • B63B32/40—Twintip boards; Wakeboards; Surfboards; Windsurfing boards; Paddle boards, e.g. SUP boards; Accessories specially adapted therefor
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/06—Skis or snowboards with special devices thereon, e.g. steering devices
    • A63C5/07—Skis or snowboards with special devices thereon, e.g. steering devices comprising means for adjusting stiffness
    • 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
    • B63B32/50—Boards characterised by their constructional features
    • 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
    • B63B32/57—Boards characterised by the material, e.g. laminated materials

Definitions

  • the invention relates to a sliding board sports equipment, in particular a ski, snowboard, water ski, wakeboard or kiteboard.
  • Gleitbrettsport sake It is known to produce Gleitbrettsport sake in a sandwich construction. Cover layers are usually made of glass or carbon fiber fabric. The core is made of foam or wood, occasionally also of a honeycomb structure. For many drivers, the driving characteristics of such Gleitbrettsportuze are not sufficiently good.
  • Kitesurfing is a water sport in which the athlete lets himself be dragged on the water by a stunt kite while standing on a board, the kiteboard.
  • the stunt kite provides the traction while the kiteboard carries the driver by a dynamic buoyancy on the water.
  • Kitesurfing is characterized by jumps in the air in addition to the pure driving on the water. For the three different operating states, the following requirements for the bending stiffness of the kiteboard arise.
  • the kiteboard When riding on the water, the kiteboard should be as soft as possible, so have a low bending stiffness, so that waves induced by the waves are damped. For the jump, the kiteboard should be as stiff as possible, so have a high flexural strength, so that only a small deformation occurs. The energy should be introduced into the bounce process, with losses of energy for the jump by displacement of the water are undesirable. A bending of the kite board should also be avoided. For landing, a sturdy kiteboard is needed that has a high strength so that the kiteboard is not destroyed.
  • kiteboards In known kiteboards a compromise between ride comfort and sportiness is found from these requirements by a kiteboard with a fast, stiff follow-up behavior at take-off and landing. From this compromise, however, there are always disadvantages for the handling of kiteboards. An optimization of the stiffness behavior oriented on the preferred driving style attempts to minimize these disadvantages. The kiteboard is to be made attractive in its driving characteristics for many drivers and their demands.
  • a kiteboard which is formed at the rear or at the ends with a bendable or flexible sliding surface. After a deflection defined exactly by the designer, this sliding surface can be supported against a rigid or only slightly flexible part of the fuselage and thus become significantly harder or more rigid from this defined deflection.
  • the board therefore has a soft driving condition and a stiff condition for the jump.
  • the disadvantage here is the complex vote on different drivers in terms of ability, weight and style of driving.
  • the spring properties of the board are lost because the top layer is too stiff and the bottom layer is too soft to store energy. Energy from the compression can not be saved and is lost for the jump. Furthermore, the production cost is high.
  • Out DE 197 18 860 A1 is a controllable stiffening of a ski is known, which provides a flexible, but shear-resistant plate, which is supported on a ski in a backward facing, rear end and on the other hand slidably guided on the top of a ski.
  • the plate forms with its front end a slider part in the ski longitudinal direction.
  • a stop arrangement is arranged, which has an adjusting lever in its lower region. As the ski bends, the end of the plate facing the stop assembly translates longitudinally relative to the top of the ski. The said end of the plate is increasingly pushed or urged against the stop assembly.
  • the disadvantage here is the asymmetrical arrangement of the stiffening in the longitudinal direction of the ski, which distinguishes between a forward and backward direction when driving with a ski.
  • EP 0 574 652 A1 discloses a ski control device that leaves the basic stiffness of the ski unchanged and prevents only a deflection of the ski beyond an adjustable maximum value.
  • the object of the invention is therefore to provide a Gleitbrettsportnado, in which the flexural rigidity is adaptable to changing circumstances, regardless of the direction of driving.
  • a Gleitbrettsport conspiracy is created, which allows an independent dynamic adaptation of the rigidity to different operating conditions.
  • the adaptation of the stiffness behavior of the Gleitbrettsport struggles by the coupling of at least two area moments of inertia, which are preferably also different. With a selectable deformation, the connection of two bending beams takes place, whereby the area moment of inertia is increased. The thickness of the body is thus effectively reinforced at a certain deflection, resulting in a higher bending stiffness. A storage of spring energy for a jump is possible. A driving behavior adapted to driving situations is also possible.
  • the coupling is preferably based on the very different area moments of inertia of a system of at least two superimposed bar-like bodies, which slide freely on each other in the operating state "driving", whereby the area moment of inertia is determined by the main body (low area moment of inertia).
  • the Gleitbrettsport réelle is thus preferably soft. If an operating state is desired in which the Gleitbrettsport réelle is as stiff as possible, ie at a "jump", are caused by attacks, the two superimposed bar-like body connected, resulting in a high moment of inertia. A transition from bending soft to rigid is possible.
  • the advantages of the Gleitbrettsport zucchinis invention are in a slight customer customization through the use of simple components.
  • the adjustability of the operating state limits is easily realized by an adjustability of the stop positions.
  • the position of the stops can be adjusted to trigger the transition from bending soft to bending stiff with a selectable deformation of the body.
  • Fig. 1 shows left two bars A, B, which are lightly loaded.
  • the beam B slides freely on the beam A, with the bending stiffness of the bars A, B adding.
  • a further shift of both bars A, B is no longer possible.
  • the stiffness is virtually determined as in an ideal connection of both beams by, for example, a bond by the area moments of inertia of both bars.
  • the rigidity is thus increased compared to the freely sliding beam and determined by the coupling preferably different bending surface moments.
  • the transmission of this principle of action on sliding board sports equipment allows the dynamic adaptation of the rigidity, for example of a kite board, to the respective driving and loading situation.
  • the movable coupling of two flat Body increases the area moment of inertia.
  • different bending moments of the two flat body the adjustment of the rigidity not only on the area moment of inertia (total thickness), but also on the respective flexural rigidity (beam thickness, modulus of elasticity) of the two beams.
  • the beam (s) are preferably guided along their entire length on the board. There is no lifting of the bending beam from the first body (board).
  • the cross-sectional area / distance between the beam and the board does not change during the deformation.
  • Fig. 2 shows a Gleitbrettsport réelle, in particular a kiteboard, with a base body 10 having a first, corresponding to a shape of the respective sliding board sheet-like body 1. At least one second sheet-like body 2 rests on the side of the body 1 concave under bending stress. This second body 2 slidably rests on the first body 1 and has free ends 3, 4 Fig. 2 illustrated embodiment, two second body 2 are provided by way of example.
  • the second body 2 is mounted with axial play in the longitudinal direction of the first sheet-like body 1 on this.
  • In the longitudinal direction of the second body 2 is formed so shorter that the ends 3, 4 of the second body 2 at a selectable bending stress against provided on the base body 10 stops 5, 6 are movable on both sides to form a composite of coupled bending bodies.
  • the axial clearance is determined by distances 9 between the ends 3, 4 and the stops 5, 6.
  • this is preferably mounted at spaced bearing points.
  • the bearings are arranged distributed over the entire length of the first body 1.
  • a second sheet-like body 2 in the form of two bending beam is mounted on the concave deformable side 7, ie the top, the first and here lower body 1.
  • slot guides 8 with screw 11 see. Fig. 3
  • the second body 2 is connected to the lower first body 1.
  • the second body 2 can move in the longitudinal direction relative to the lower first body 1.
  • the base body 10 bends through, the upper body 2 (beam) slides.
  • the loads eg, jump
  • the beams move in the stops 5, 6 which are adjacent to the ends 3, 4 of a second body 2.
  • a cover may be provided to partially or completely disguise the construction of the first and second body 1, 2.
  • foot-pads are provided on the upper side.
  • the second body 2 preferably comprises at least two mutually spaced beams extending along an X-axis of the first body 1.
  • the second body 2 consequently preferably has a smaller width than the first body 1.
  • the stops 5, 6 preferably have at the edge side of the first body 1 arranged projections, which can also wear the ends 3, 4 of the second body 2 facing damping elements (not shown) as a stop buffer.
  • the second body 2 preferably extends over more than 80% of the longitudinal extent of the first body 1.
  • the ends 3, 4 of the second body 2 may be formed thinned.
  • the stiffness of the first body 1 and the second body 2 determine in their interaction the applicable depending on the operating condition overall stiffness behavior.
  • the two rigidities can be flexibly and rigidly adapted to specific driving requirements.
  • the second body 2 is preferably made of a more rigid material than the first body 1.
  • Fig. 3 shows the deformation, in which the second body 2 slides into the stops 5, 6, can be made adjustable via adjustable end stops, as this Fig. 3 shows.
  • the transition from flexible to rigid to the wishes and needs of the driver can be adjusted.
  • the adjustment does not change the rigidity of the system, but only shifts the transition point between the two stiffnesses.
  • Fig. 3 shows the stopper 5 as an adjustable end stop, while the stopper 6 is formed as a fixed end stop.
  • Fig. 4 shows the stopper 5 as an adjustable end stop in an enlarged view.
  • the adjustment of the position of the stopper 5 is effected by an eccentric 12 which is guided on a pin 13 designed to be secure against rotation. After removal of the eccentric 12 of the bolt 13, this can be rotated and placed in a new position.
  • the fuse is effected by a fixing screw 14.
  • the attachment of the stop 5 on the first body 1 of the base body 10 can be effected by means of screws 15.
  • a very easy adjustability can be achieved in different stages.
  • the user can adjust the transition point to his needs in the unloaded state.
  • the construction can be carried out so that a setting even at Pollution (eg by sand) is possible.
  • the construction is easy to rinse out and can be formed salt water resistant.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Toys (AREA)
  • Rehabilitation Tools (AREA)

Description

Die Erfindung betrifft ein Gleitbrettsportgerät, insbesondere ein Ski, Snowboard, Wasserski, Wakeboard oder Kiteboard.The invention relates to a sliding board sports equipment, in particular a ski, snowboard, water ski, wakeboard or kiteboard.

Es ist bekannt, Gleitbrettsportgeräte in einer Sandwichbauweise herzustellen. Deckschichten sind dabei meist aus Glas- oder Kohlefasergewebe. Der Kern besteht aus Schaumstoff oder Holz, gelegentlich auch aus einer Wabenstruktur. Für viele Fahrer sind die Fahreigenschaften solcher Gleitbrettsportgeräte nicht hinreichend gut.It is known to produce Gleitbrettsportgeräte in a sandwich construction. Cover layers are usually made of glass or carbon fiber fabric. The core is made of foam or wood, occasionally also of a honeycomb structure. For many drivers, the driving characteristics of such Gleitbrettsportgeräte are not sufficiently good.

Dies gilt insbesondere für das Kitesurfen. Kitesurfen ist ein Wassersport, bei dem der Sportler sich auf dem Wasser von einem Lenkdrachen ziehen lässt und dabei auf einem Gleitbrett, dem Kiteboard, steht. Der Lenkdrachen stellt die Zugkraft bereit, während das Kiteboard den Fahrer durch einen dynamischen Auftrieb auf dem Wasser trägt. Der Kitesurfsport zeichnet sich neben dem reinen Fahren auf dem Wasser durch Sprünge in die Luft aus. Für die drei dabei zu unterscheidenden Betriebszustände ergeben sich die folgenden Anforderungen an die Biegesteifigkeit des Kiteboards.This is especially true for kitesurfing. Kitesurfing is a water sport in which the athlete lets himself be dragged on the water by a stunt kite while standing on a board, the kiteboard. The stunt kite provides the traction while the kiteboard carries the driver by a dynamic buoyancy on the water. Kitesurfing is characterized by jumps in the air in addition to the pure driving on the water. For the three different operating states, the following requirements for the bending stiffness of the kiteboard arise.

Beim Fahren auf dem Wasser sollte das Kiteboard möglichst weich sein, also eine geringe Biegesteifigkeit besitzen, damit von den Wellen induzierte Schläge gedämpft werden. Für den Absprung sollte das Kiteboard möglichst steif sein, also eine hohe Biegefestigkeit besitzen, damit nur eine geringe Verformung auftritt. Die Energie soll in den Absprungvorgang eingebracht werden, wobei Verluste der Energie für den Absprung durch Verdrängung des Wassers unerwünscht sind. Eine Aufbiegung des Kiteboards sollte auch vermieden werden. Für die Landung wird ein stabiles Kiteboard benötigt, das eine hohe Festigkeit besitzt, damit das Kiteboard nicht zerstört wird.When riding on the water, the kiteboard should be as soft as possible, so have a low bending stiffness, so that waves induced by the waves are damped. For the jump, the kiteboard should be as stiff as possible, so have a high flexural strength, so that only a small deformation occurs. The energy should be introduced into the bounce process, with losses of energy for the jump by displacement of the water are undesirable. A bending of the kite board should also be avoided. For landing, a sturdy kiteboard is needed that has a high strength so that the kiteboard is not destroyed.

Bei bekannten Kiteboards wird aus diesen Anforderungen ein Kompromiss zwischen Fahrkomfort und Sportlichkeit durch ein Kiteboard mit einem schnellen, steifen Folgeverhalten bei Absprung und Landung gefunden. Aus diesem Kompromiss ergeben sich aber immer auch Nachteile für das Fahrverhalten von Kiteboards. Durch eine auf den bevorzugten Fahrstil ausgerichtete Optimierung des Steifigkeitsverhaltens wird versucht, diese Nachteile gering zu halten. Das Kiteboard soll so in seinen Fahreigenschaften für viele Fahrer und deren Ansprüche attraktiv gemacht werden.In known kiteboards a compromise between ride comfort and sportiness is found from these requirements by a kiteboard with a fast, stiff follow-up behavior at take-off and landing. From this compromise, however, there are always disadvantages for the handling of kiteboards. An optimization of the stiffness behavior oriented on the preferred driving style attempts to minimize these disadvantages. The kiteboard is to be made attractive in its driving characteristics for many drivers and their demands.

Aus AT 008 686 U1 ist ein Kiteboard bekannt, das am Heck oder an den Enden mit einer biegbaren oder flexiblen Gleitfläche ausgebildet ist. Nach einer genau vom Konstrukteur definierten Durchbiegung kann sich diese Gleitfläche gegen einen starren oder nur wenig biegsamen Teil des Rumpfes abstützen und dadurch ab dieser definierten Durchbiegung deutlich härter oder starr werden. Das Brett hat deshalb einen weichen Fahrzustand und einen steifen Zustand für den Absprung. Nachteilig ist hierbei die aufwendige Abstimmung auf unterschiedliche Fahrer hinsichtlich Können, Gewicht und Fahrstil. Die Federeigenschaften des Brettes gehen verloren, da die Oberschicht zu steif und die Unterschicht zu weich ist, um Energie zu speichern. Energie aus dem Einfedern lässt sich nicht speichern und geht für den Absprung verloren. Ferner ist der Fertigungsaufwand hoch.Out AT 008 686 U1 a kiteboard is known, which is formed at the rear or at the ends with a bendable or flexible sliding surface. After a deflection defined exactly by the designer, this sliding surface can be supported against a rigid or only slightly flexible part of the fuselage and thus become significantly harder or more rigid from this defined deflection. The board therefore has a soft driving condition and a stiff condition for the jump. The disadvantage here is the complex vote on different drivers in terms of ability, weight and style of driving. The spring properties of the board are lost because the top layer is too stiff and the bottom layer is too soft to store energy. Energy from the compression can not be saved and is lost for the jump. Furthermore, the production cost is high.

Aus DE 10 2007 023 863 A1 ist eine Trimmeinrichtung für ein Schneegleitbrett bekannt, bei dem ein über der neutralen Faser des Skis liegender Stab gegen den Ski verspannt wird, um die Biegesteifigkeit des Gesamtverbunds zu ändern. Dies bedeutet eine dauerhafte Änderung der Steifigkeit, die über einen Drehknopf veränderbar ist.Out DE 10 2007 023 863 A1 a trimmer for a snow sliding board is known, in which a lying on the neutral fiber of the ski rod is braced against the ski to change the flexural rigidity of the overall composite. This means a permanent change in stiffness, which is variable via a knob.

Aus DE 197 18 860 A1 ist eine steuerbare Versteifung eines Skis bekannt, die eine flexible, jedoch schubbelastbare Platte vorsieht, die an einem in Rückwärtsrichtung weisenden, hinteren Ende skifest am Ski gehaltert und im übrigen auf der Oberseite eines Skis verschiebbar geführt ist. Die Platte bildet mit ihrem vorderen Ende ein Schieberteil in Skilängsrichtung. Vor dem Schieberteil der Platte ist eine Anschlaganordnung angeordnet, die in ihrem unteren Bereich einen Stellhebel aufweist. Sobald sich der Ski durchbiegt, verschiebt sich das der Anschlaganordnung zugewandte Ende der Platte relativ zur Oberseite des Skis in Längsrichtung. Dabei wird das genannte Ende der Platte zunehmend gegen die Anschlaganordnung geschoben bzw. gedrängt. Denn die Enden des Skis werden relativ zum Mittelbereich des Skis in Aufwärtsrichtung gebogen, während die Platte aufgrund ihrer einseitigen Anlenkung nicht gebogen wird. Nachteilig hierbei ist die asymmetrische Anordnung der Versteifung in Längsrichtung des Skis, die zwischen einer Vorwärts- und Rückwärtsrichtung beim Fahren mit einem Ski unterscheidet.Out DE 197 18 860 A1 is a controllable stiffening of a ski is known, which provides a flexible, but shear-resistant plate, which is supported on a ski in a backward facing, rear end and on the other hand slidably guided on the top of a ski. The plate forms with its front end a slider part in the ski longitudinal direction. In front of the slide part of the plate, a stop arrangement is arranged, which has an adjusting lever in its lower region. As the ski bends, the end of the plate facing the stop assembly translates longitudinally relative to the top of the ski. The said end of the plate is increasingly pushed or urged against the stop assembly. Because the ends of the ski are bent relative to the central region of the ski in the upward direction, while the plate is not bent due to their one-sided articulation. The disadvantage here is the asymmetrical arrangement of the stiffening in the longitudinal direction of the ski, which distinguishes between a forward and backward direction when driving with a ski.

EP 0 574 652 A1 offenbart eine Skisteuervorrichtung, die die Grundsteifigkeit des Skis unverändert lässt und lediglich eine Aufbiegung des Skis über einen einstellbaren Maximalwert hinaus verhindert. EP 0 574 652 A1 discloses a ski control device that leaves the basic stiffness of the ski unchanged and prevents only a deflection of the ski beyond an adjustable maximum value.

Aufgabe der Erfindung ist es daher, ein Gleitbrettsportgerät zu schaffen, bei dem die Biegesteifigkeit an wechselnde Gegebenheiten anpassbar ist, und zwar unabhängig von der Richtung des Fahrens.The object of the invention is therefore to provide a Gleitbrettsportgerät, in which the flexural rigidity is adaptable to changing circumstances, regardless of the direction of driving.

Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.This object is solved by the features of claim 1.

Hierdurch wird ein Gleitbrettsportgerät geschaffen, das eine selbstständige dynamische Anpassung der Steifigkeit an unterschiedliche Betriebszustände erlaubt. Die Anpassung des Steifigkeitsverhaltens des Gleitbrettsportgerätes erfolgt durch die Kopplung von mindestens zwei Flächenträgheitsmomenten, die vorzugsweise zudem unterschiedlich sind. Bei einer wählbaren Verformung erfolgt die Anbindung zweier Biegebalken, wodurch das Flächenträgheitsmoment erhöht wird. Die Dicke des Grundkörpers wird so bei einer bestimmten Durchbiegung wirksam verstärkt, wodurch sich eine höhere Biegesteifigkeit ergibt. Eine Speicherung von Federenergie für einen Absprung ist möglich. Auch ist ein an Fahrsituationen angepasstes Fahrverhalten möglich.As a result, a Gleitbrettsportgerät is created, which allows an independent dynamic adaptation of the rigidity to different operating conditions. The adaptation of the stiffness behavior of the Gleitbrettsportgerätes by the coupling of at least two area moments of inertia, which are preferably also different. With a selectable deformation, the connection of two bending beams takes place, whereby the area moment of inertia is increased. The thickness of the body is thus effectively reinforced at a certain deflection, resulting in a higher bending stiffness. A storage of spring energy for a jump is possible. A driving behavior adapted to driving situations is also possible.

Die Kopplung beruht vorzugsweise auf den stark unterschiedlichen Flächenträgheitsmomenten eines Systems von mindestens zwei übereinander angeordneten balkenartigen Körpern, die in dem Betriebszustand "Fahren" lose aufeinander gleiten, wodurch das Flächenträgheitsmoment bestimmt ist durch den Grundkörper (geringes Flächenträgheitsmoment). Das Gleitbrettsportgerät ist somit vorzugsweise weich. Wird ein Betriebszustand gewünscht, bei dem das Gleitbrettsportgerät möglichst steif ist, also bei einem "Absprung", werden bedingt durch Anschläge die beiden übereinander angeordneten balkenartigen Körper verbunden, wodurch sich ein hohes Flächenträgheitsmoment ergibt. Ein Übergang von biegeweich auf biegesteif ist so möglich.The coupling is preferably based on the very different area moments of inertia of a system of at least two superimposed bar-like bodies, which slide freely on each other in the operating state "driving", whereby the area moment of inertia is determined by the main body (low area moment of inertia). The Gleitbrettsportgerät is thus preferably soft. If an operating state is desired in which the Gleitbrettsportgerät is as stiff as possible, ie at a "jump", are caused by attacks, the two superimposed bar-like body connected, resulting in a high moment of inertia. A transition from bending soft to rigid is possible.

Die Vorteile des erfindungsgemäßen Gleitbrettsportgerätes liegen in einer leichten Kundenindividualisierung durch die Verwendung einfacher Komponenten. Die Einstellbarkeit der Betriebszustandsgrenzen ist einfach realisierbar durch eine Verstellbarkeit der Anschlagpositionen. Die Position der Anschläge kann verstellt werden, um den Übergang von biegeweich auf biegesteif bei einer wählbaren Verformung des Grundkörpers auszulösen.The advantages of the Gleitbrettsportgerätes invention are in a slight customer customization through the use of simple components. The adjustability of the operating state limits is easily realized by an adjustability of the stop positions. The position of the stops can be adjusted to trigger the transition from bending soft to bending stiff with a selectable deformation of the body.

Vorzugsweise werden unterschiedliche Biege-Flächenmomente zweier aufeinander aufliegender Körper gekoppelt.Preferably, different bending surface moments of two superimposed bodies are coupled.

Weitere Vorteile und Ausgestaltungen der Erfindung sind der nachfolgenden Beschreibung und den Unteransprüchen zu entnehmen.Further advantages and embodiments of the invention can be found in the following description and the subclaims.

Die Erfindung wird nachstehend anhand der in den beigefügten Abbildungen dargestellten Ausführungsbeispiele näher erläutert.

  • Fig. 1 zeigt schematisch das erfindungsgemäße Wirkprinzip,
  • Fig. 2 zeigt schematisch eine Draufsicht eines Gleitbrettsportgeräts ohne Deckschicht gemäß einem ersten Ausführungsbeispiel,
  • Fig. 3 zeigt schematisch eine Draufsicht eines Gleitbrettsportgeräts ohne Deckschicht gemäß einem zweiten Ausführungsbeispiel,
  • Fig. 4 zeigt in vergrößerter Darstellung einen verstellbaren Anschlag gemäß Fig. 3.
The invention will be explained in more detail with reference to the embodiments illustrated in the accompanying drawings.
  • Fig. 1 schematically shows the active principle according to the invention,
  • Fig. 2 shows schematically a top view of a Gleitbrettsportgeräts without cover layer according to a first embodiment,
  • Fig. 3 1 schematically shows a plan view of a sliding board sports apparatus without cover layer according to a second exemplary embodiment,
  • Fig. 4 shows an enlarged view of an adjustable stop according to Fig. 3 ,

Die Erfindung nutzt die Kopplung zweier aufeinander liegender Körper. Fig. 1 zeigt links zwei Balken A, B, welche gering belastet sind. Der Balken B gleitet frei auf dem Balken A, wobei sich die Biegesteifigkeiten der Balken A, B addieren. Steigt die Durchbiegung an, wie die Fig. 1 rechts zeigt, so gleitet der obere Balken B beidseitig in einen Anschlag. Eine weitere Verschiebung beider Balken A, B ist nicht mehr möglich. Die Steifigkeit ist quasi wie bei einer idealen Verbindung beider Balken durch beispielsweise eine Verklebung durch die Flächenträgheitsmomente beider Balken bestimmt. Die Steifigkeit ist folglich gegenüber dem frei gleitenden Balken erhöht und bestimmt durch die Kopplung vorzugsweise unterschiedlicher Biege-Flächenmomente.The invention uses the coupling of two superimposed bodies. Fig. 1 shows left two bars A, B, which are lightly loaded. The beam B slides freely on the beam A, with the bending stiffness of the bars A, B adding. Increases the deflection, like the Fig. 1 on the right, the upper beam B slides on both sides into a stop. A further shift of both bars A, B is no longer possible. The stiffness is virtually determined as in an ideal connection of both beams by, for example, a bond by the area moments of inertia of both bars. The rigidity is thus increased compared to the freely sliding beam and determined by the coupling preferably different bending surface moments.

Die Übertragung dieses Wirkprinzips auf Gleitbrettsportgeräte erlaubt die dynamische Anpassung der Steifigkeit, beispielsweise eines Kiteboards, an die jeweilige Fahr- und Belastungssituation. Die bewegliche Kopplung zweier flächiger Körper erhöht das Flächenträgheitsmoment. Bei zudem unterschiedlichen Biegemomenten der beiden flächigen Körper kann die Anpassung der Steifigkeit nicht nur über das Flächenträgheitsmoment (Gesamtdicke) erfolgen, sondern zudem auch über die jeweilige Biegesteifigkeit (Balkendicke, E-Modul) der beiden Balken. Dies bietet neben dem einfachen und kostengünstigen Aufbau der Anordnung auch die Möglichkeit, Gleitbrettsportgeräte nach einem Baukastenprinzip für die individuellen Bedürfnisse des Nutzers zu konzipieren. Der oder die Balken werden vorzugsweise auf ihrer ganzen Länge auf dem Board geführt. Es findet kein Abheben des Biegebalkens vom ersten Körper (Board) statt. Die Querschnittsfläche/Abstand zwischen Balken und Board verändert sich bei der Verformung nicht.The transmission of this principle of action on sliding board sports equipment allows the dynamic adaptation of the rigidity, for example of a kite board, to the respective driving and loading situation. The movable coupling of two flat Body increases the area moment of inertia. In addition, different bending moments of the two flat body, the adjustment of the rigidity not only on the area moment of inertia (total thickness), but also on the respective flexural rigidity (beam thickness, modulus of elasticity) of the two beams. This offers in addition to the simple and inexpensive construction of the arrangement also the ability to conceive Gleitbrettsportgeräte on a modular principle for the individual needs of the user. The beam (s) are preferably guided along their entire length on the board. There is no lifting of the bending beam from the first body (board). The cross-sectional area / distance between the beam and the board does not change during the deformation.

Fig. 2 zeigt ein Gleitbrettsportgerät, insbesondere ein Kiteboard, mit einem Grundkörper 10, der einen ersten, eine Form des jeweiligen Gleitbretts entsprechenden flächenförmigen Körper 1 aufweist. Auf der bei Biegebeanspruchung konkaven Seite des Körpers 1 liegt mindestens ein zweiter flächenförmiger Körper 2 auf. Dieser zweite Körper 2 liegt gleitbeweglich auf dem ersten Körper 1 auf und besitzt freie Enden 3, 4. Bei dem in Fig. 2 dargestellten Ausführungsbeispiel sind beispielhaft zwei zweite Körper 2 vorgesehen. Fig. 2 shows a Gleitbrettsportgerät, in particular a kiteboard, with a base body 10 having a first, corresponding to a shape of the respective sliding board sheet-like body 1. At least one second sheet-like body 2 rests on the side of the body 1 concave under bending stress. This second body 2 slidably rests on the first body 1 and has free ends 3, 4 Fig. 2 illustrated embodiment, two second body 2 are provided by way of example.

Der zweite Körper 2 ist mit Axialspiel in Längsrichtung des ersten flächenförmigen Körpers 1 auf diesem geführt gelagert. In Längsrichtung ist der zweite Körper 2 derart kürzer ausgebildet, dass die Enden 3, 4 des zweiten Körpers 2 bei einer wählbaren Biegebeanspruchung gegen am Grundkörper 10 vorgesehene Anschläge 5, 6 beidseitig verfahrbar sind zur Bildung eines Verbundes aus gekoppelten Biegekörpern. Das Axialspiel wird durch Abstände 9 zwischen den Enden 3, 4 und den Anschlägen 5, 6 bestimmt.The second body 2 is mounted with axial play in the longitudinal direction of the first sheet-like body 1 on this. In the longitudinal direction of the second body 2 is formed so shorter that the ends 3, 4 of the second body 2 at a selectable bending stress against provided on the base body 10 stops 5, 6 are movable on both sides to form a composite of coupled bending bodies. The axial clearance is determined by distances 9 between the ends 3, 4 and the stops 5, 6.

Zur geführten Lagerung des zweiten Körpers 2 auf dem ersten Körper 1 ist dieser vorzugsweise an beabstandet zueinander angeordneten Lagerstellen gelagert. Die Lagerstellen sind dazu über die ganze Länge des ersten Körpers 1 verteilt angeordnet.For guided storage of the second body 2 on the first body 1, this is preferably mounted at spaced bearing points. The bearings are arranged distributed over the entire length of the first body 1.

Gemäß dem in Fig. 2 dargestellten Ausführungsbeispiel wird auf der konkav verformbaren Seite 7, d.h. der Oberseite, des ersten und hier unteren Körpers 1 ein zweiter flächenförmiger Körper 2 in Form von zwei Biegebalken angebracht. Durch Langlochführungen 8 mit Schraubverbindungen 11 (vgl. Fig. 3) ist der zweite Körper 2 mit dem unteren ersten Körper 1 verbunden. Dadurch kann sich der zweite Körper 2 in Längsrichtung gegenüber dem unteren ersten Körper 1 verschieben. Unter leichter Belastung, wie bei normalem Fahren, biegt sich der Grundkörper 10 durch, der obere Körper 2 (Balken) gleitet. Sobald die Belastungen (z. B. Absprung) höher werden und die Durchbiegung zunimmt, bewegen sich die Balken in den Anschlägen 5, 6, die sich benachbart zu den Enden 3, 4 eines zweiten Körpers 2 befinden.According to the in Fig. 2 illustrated embodiment, a second sheet-like body 2 in the form of two bending beam is mounted on the concave deformable side 7, ie the top, the first and here lower body 1. By slot guides 8 with screw 11 (see. Fig. 3 ), the second body 2 is connected to the lower first body 1. As a result, the second body 2 can move in the longitudinal direction relative to the lower first body 1. Under light load, as in normal driving, the base body 10 bends through, the upper body 2 (beam) slides. As the loads (eg, jump) become higher and the deflection increases, the beams move in the stops 5, 6 which are adjacent to the ends 3, 4 of a second body 2.

Es erfolgt eine symmetrische Kopplung zwischen erstem Körper 1 und zweitem Körper 2, indem ein zeitweilig durch die Verformung bedingter fester Verbund entsteht. Die beiden Biegebalken gelangen gleichzeitig gegen die beiden Anschläge 5, 6. Dadurch erhöht sich das Flächenträgheitsmoment des Gleitbrettsportgerätes, so dass dieses steifer wird. Eine nicht dargestellte Abdeckung kann vorgesehen sein, um die Konstruktion aus erstem und zweitem Körper 1, 2 teilweise oder ganz zu verkleiden. Vorzugsweise sind beispielsweise so genannte foot-pads oberseitig vorgesehen.There is a symmetrical coupling between the first body 1 and the second body 2, by creating a temporarily caused by the deformation solid bond. The two bending beams arrive simultaneously against the two stops 5, 6. This increases the area moment of inertia of the Gleitbrettsportgerätes, so that it is stiffer. A cover, not shown, may be provided to partially or completely disguise the construction of the first and second body 1, 2. Preferably, for example, so-called foot-pads are provided on the upper side.

Der zweite Körper 2 umfasst vorzugsweise mindestens zwei zueinander beabstandete Balken, die sich längs einer X-Achse des ersten Körpers 1 erstrecken. Der zweite Körper 2 besitzt folglich vorzugsweise eine geringere Breite als der erste Körper 1.The second body 2 preferably comprises at least two mutually spaced beams extending along an X-axis of the first body 1. The second body 2 consequently preferably has a smaller width than the first body 1.

Die Anschläge 5, 6 weisen vorzugsweise randseitig des ersten Körpers 1 angeordnete Vorsprünge auf, die zudem den Enden 3, 4 des zweiten Körpers 2 zugewandte Dämpfungselemente (nicht dargestellt) als Anschlagpuffer tragen können.The stops 5, 6 preferably have at the edge side of the first body 1 arranged projections, which can also wear the ends 3, 4 of the second body 2 facing damping elements (not shown) as a stop buffer.

Der zweite Körper 2 erstreckt sich vorzugsweise über mehr als 80 % der Längserstreckung des ersten Körpers 1. Die Enden 3, 4 des zweiten Körpers 2 können verdünnt ausgebildet sein.The second body 2 preferably extends over more than 80% of the longitudinal extent of the first body 1. The ends 3, 4 of the second body 2 may be formed thinned.

Die Steifigkeiten des ersten Körpers 1 und des zweiten Körpers 2 bestimmen in ihrer Zusammenwirkung das je nach Betriebszustand geltende Gesamtsteifigkeitsverhalten. Durch Austausch der beispielsweise einfach herstellbaren Biegebalken können die beiden Steifigkeiten biegeweich und biegesteif an spezielle Fahrwünsche angepasst werden. Der zweite Körper 2 besteht vorzugsweise aus einem biegesteiferen Material als der erste Körper 1.The stiffness of the first body 1 and the second body 2 determine in their interaction the applicable depending on the operating condition overall stiffness behavior. By replacing the bending beam, which is easy to produce, for example, the two rigidities can be flexibly and rigidly adapted to specific driving requirements. The second body 2 is preferably made of a more rigid material than the first body 1.

Die Verformung, bei der der zweite Körper 2 in die Anschläge 5, 6 gleitet, kann über verstellbare Endanschläge einstellbar gestaltet werden, wie dies Fig. 3 zeigt. So kann der Übergang von biegeweich auf biegesteif an die Wünsche und Bedürfnisse des Fahrers (Können, Gewicht, körperliche Verfassung und gewünschte Fahrdynamik) angepasst werden. Durch die Einstellung werden nicht die Steifigkeiten des Systems verändert, sondern nur der Übergangspunkt zwischen den beiden Steifigkeiten verschoben. Fig. 3 zeigt den Anschlag 5 als verstellbaren Endanschlag, während der Anschlag 6 als ein fester Endanschlag ausgebildet ist.The deformation, in which the second body 2 slides into the stops 5, 6, can be made adjustable via adjustable end stops, as this Fig. 3 shows. Thus, the transition from flexible to rigid to the wishes and needs of the driver (skill, weight, physical condition and desired driving dynamics) can be adjusted. The adjustment does not change the rigidity of the system, but only shifts the transition point between the two stiffnesses. Fig. 3 shows the stopper 5 as an adjustable end stop, while the stopper 6 is formed as a fixed end stop.

Fig. 4 zeigt den Anschlag 5 als einen verstellbaren Endanschlag in vergrößerter Darstellung. Die Verstellung der Position des Anschlags 5 erfolgt durch einen Exzenter 12, der auf einem verdrehsicher gestalteten Bolzen 13 geführt ist. Nach Abnahme des Exzenters 12 vom Bolzen 13 kann dieser gedreht und in einer neuen Position aufgesetzt werden. Die Sicherung erfolgt durch eine Fixierschraube 14. Die Befestigung des Anschlags 5 am ersten Körper 1 des Grundkörpers 10 kann über Schrauben 15 erfolgen. Fig. 4 shows the stopper 5 as an adjustable end stop in an enlarged view. The adjustment of the position of the stopper 5 is effected by an eccentric 12 which is guided on a pin 13 designed to be secure against rotation. After removal of the eccentric 12 of the bolt 13, this can be rotated and placed in a new position. The fuse is effected by a fixing screw 14. The attachment of the stop 5 on the first body 1 of the base body 10 can be effected by means of screws 15.

Durch den verstellbaren Endanschlag gemäß Fig. 4 kann eine sehr einfache Einstellbarkeit in verschiedenen Stufen erreicht werden. Der Benutzer kann im unbelasteten Zustand den Übergangspunkt an seine Bedürfnisse anpassen. Die Konstruktion kann so ausgeführt werden, dass eine Einstellung auch noch bei Verschmutzung (z.B. durch Sand) möglich ist. Die Konstruktion ist leicht ausspülbar und salzwasserfest ausbildbar.Due to the adjustable end stop according to Fig. 4 a very easy adjustability can be achieved in different stages. The user can adjust the transition point to his needs in the unloaded state. The construction can be carried out so that a setting even at Pollution (eg by sand) is possible. The construction is easy to rinse out and can be formed salt water resistant.

Claims (8)

  1. Gliding sports board having a basic body (10), which has a first sheet-like body (1), which corresponds in shape to the respective gliding board and has resting on its side (7), which is concave under bending stressing, at least one second sheet-like body (2) which has free ends (3, 4), is mounted for guidance on the sheet-like body (1), with axial play in the longitudinal direction of the same, and is designed to be shorter in the longitudinal direction such that the ends (3, 4) of the second body (2), in the case of selectable bending stressing, can be displaced against stops (5, 6) provided on the basic body (10), this forming a composite arrangement of bodies (1, 2) coupled by bending, characterized in that the bending strengths of the at least two bodies (1, 2) add up and, in the composite arrangement, the at least second body (2) increases the thickness of the basic body (10) to give an overall thickness.
  2. Gliding sports board according to Claim 1, characterized in that the second body (2) comprises at least two spaced-apart bars, which extend along an X axis of the first body (1).
  3. Gliding sports board according to Claim 1 or 2, characterized in that the stops (5, 6) have protrusions arranged at the periphery of the first sheet-like body (1).
  4. Gliding sports board according to one of Claims 1 to 3, characterized in that the stops (5, 6) have stop buffers.
  5. Gliding sports board according to one of Claims 1 to 4, characterized in that the second body (2) consists of a more flexurally stiff material than the first body (1).
  6. Gliding sports board according to one of Claims 1 to 5, characterized in that the concave side (7) of the first body (1) has two bending bars arranged on it as second bodies (2), which can be connected to the first body (1) by slot guides (8) with screwed connections (11).
  7. Gliding sports board according to one of Claims 1 to 6, characterized in that the second body (2) has resting on it at least one further body, which can be displaced in relation to the first and second bodies (1, 2) and can be displaced into a stop when the first body (1) is subjected to higher flexing than the body (2), which forms a stop in each case for the further body.
  8. Gliding sports board according to one of Claims 1 to 7, characterized in that at least one covering is arranged on the basic body (10).
EP09013549A 2009-10-28 2009-10-28 Aquaplane sporting device Not-in-force EP2316722B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL09013549T PL2316722T3 (en) 2009-10-28 2009-10-28 Aquaplane sporting device
EP09013549A EP2316722B1 (en) 2009-10-28 2009-10-28 Aquaplane sporting device
ES09013549T ES2389462T3 (en) 2009-10-28 2009-10-28 Sliding board sport device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09013549A EP2316722B1 (en) 2009-10-28 2009-10-28 Aquaplane sporting device

Publications (2)

Publication Number Publication Date
EP2316722A1 EP2316722A1 (en) 2011-05-04
EP2316722B1 true EP2316722B1 (en) 2012-06-13

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Application Number Title Priority Date Filing Date
EP09013549A Not-in-force EP2316722B1 (en) 2009-10-28 2009-10-28 Aquaplane sporting device

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EP (1) EP2316722B1 (en)
ES (1) ES2389462T3 (en)
PL (1) PL2316722T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT522846B1 (en) * 2019-06-12 2021-04-15 Franz Schitzhofer SPORTBOARD WITH ADJUSTABLE DEFLECTION

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5269555A (en) * 1991-06-14 1993-12-14 Ruffinengo Piero G Modification of the flexibility of skis
DE19718860A1 (en) 1997-05-03 1998-11-05 Marker Deutschland Gmbh Reinforcement for ski against flexural stress, with buffer arrangement
AT8686U1 (en) 2005-02-04 2006-11-15 Franz Schitzhofer KITEBOARD
EP1880746B1 (en) * 2006-07-17 2009-12-02 Matteo Belfrond Binding plate allowing ski bending
DE102007023863A1 (en) 2006-07-18 2008-01-24 Marker Völkl International GmbH Trimming device for snow gliding boards, in particular for skis and snow sliding board with at least one such trim device

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EP2316722A1 (en) 2011-05-04
ES2389462T3 (en) 2012-10-26
PL2316722T3 (en) 2012-11-30

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