EP0454655B1 - Ski - Google Patents

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Publication number
EP0454655B1
EP0454655B1 EP91890050A EP91890050A EP0454655B1 EP 0454655 B1 EP0454655 B1 EP 0454655B1 EP 91890050 A EP91890050 A EP 91890050A EP 91890050 A EP91890050 A EP 91890050A EP 0454655 B1 EP0454655 B1 EP 0454655B1
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EP
European Patent Office
Prior art keywords
ski
support
longitudinal direction
ski according
transversely
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
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EP91890050A
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German (de)
French (fr)
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EP0454655A1 (en
Inventor
Bernhard Dr. Mayr
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.)
Head Sport GmbH
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Head Sport GmbH
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Publication date
Priority claimed from AT0082090A external-priority patent/AT398039B/en
Application filed by Head Sport GmbH filed Critical Head Sport GmbH
Publication of EP0454655A1 publication Critical patent/EP0454655A1/en
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Publication of EP0454655B1 publication Critical patent/EP0454655B1/en
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    • 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
    • A63C5/075—Vibration dampers
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings

Definitions

  • the invention relates to a ski with a damping element for damping shocks acting transversely to the longitudinal direction of the ski in the region of a ski binding, with a support body for at least one layer of damping material, in particular elastomeric damping material, arranged between the support body and the ski.
  • a damping element for a ski which can be fixed on the top of a ski and should be able to allow damping in the longitudinal direction of the ski.
  • a metallic carrier plate is interposed by means of screws with an elastomeric damping layer on the upper side, the fixing having to be displaceable on at least one side in order to prevent the screw connection from shearing when the ski bends.
  • damping is transverse to the longitudinal direction, i.e. in a direction essentially perpendicular to the surface of the ski with such a design is not aimed at and only achieved incompletely.
  • the bending behavior of the ski is influenced by damping in the longitudinal direction of the ski.
  • a noteworthy influence on the torsion properties cannot easily be achieved with regard to the sliding connection of such a damping element with the surface of the ski.
  • plate-shaped elements In order to improve the steerability of skis, plate-shaped elements have already been proposed, which allow a certain degree of adjustability in their inclination transverse to the longitudinal axis of the ski. Naturally, such designs also have no influence on the torsional properties of a ski and are intended to reduce the risk of canting when the body is shifted to the side.
  • the invention now aims to develop a ski of the type mentioned in such a way that a perfect damping of vertical impacts transverse to the longitudinal axis of a ski is achieved and, at the same time, the torsional behavior of the ski can be set within wide limits. Furthermore, the construction according to the invention is intended to achieve a connection of such a damping element to the ski that is as simple and reliable as possible, which prevents separation of the damping element from the ski with certainty even in the event of hard impacts and deflections of the ski.
  • the training according to the invention essentially consists in the fact that the support body is rigidly connected to the upper belt of the ski and in front and behind in a central area between its front and rear ends lying in the longitudinal direction of the ski or directly or via an intermediate layer made of glass fiber reinforced plastic middle area is connected to the top of the ski with the interposition of the damping material.
  • the fixing in a central area can be kept free of shear forces when the ski bends, so that a secure anchoring and fixing of the damping element is guaranteed even if the ski bends excessively.
  • the support body can advantageously have profiles that run transversely to the longitudinal direction of the ski, the design being made in a particularly advantageous manner so that the support body in the central region is one of the Thickness of the damping material has a corresponding recess and is rigidly connected to the ski in the recessed area.
  • Such a lowering of the profile in the central area enables a perfect connection of the support body to the upper flange of the ski, the damping material likewise being able to be at least partially embedded in the surface of the ski.
  • Such a design of the support body increases the torsional rigidity due to the folds in the area of the profile lowering, the shape and extent of the transverse arranged profiles the torsion properties can be varied to a large extent.
  • the construction is advantageously made such that the recessed area of the support body is filled with a correspondingly pressure-resistant filler, the rigid connection of the support body to the Ski top belt can be designed as an adhesive.
  • the middle part of the support body can be glued and screwed to the ski, in particular the upper flange of the ski, such screwing not having to absorb shear forces when the ski bends.
  • a uniform design of the surface with simultaneous additional securing of the damping element is ensured in that the support body is arranged below the surface cover layer, the design advantageously being such that the support body is arranged flush with the surface layer or film in a recess on the top of the ski is.
  • the surface film in front of and behind the carrier body is advantageously cut or cut transversely to the longitudinal direction of the ski, with Advantage of the transition from the undamped areas of the ski to the area of the damping plate is flat and without pronounced edges, in order to avoid overloading here.
  • the design is advantageously made such that the free ends of the support body are formed at an acute angle to the ski.
  • Carriers made of metal, in particular aluminum, are advantageously used, with the aim of improving the Adhesive connection and, for easier processing, the design can be made such that the support body is rigidly connected to the upper chord with the interposition of at least one layer of glass fiber reinforced plastic.
  • the entire inner surface of the support body can have a layer of glass fiber reinforced plastic, so that a simple adhesive bond to the damping material is also possible as a result.
  • the design can advantageously be made such that damping elements of different hardness or rigidity are arranged next to one another in the longitudinal direction of the ski, transversely to the longitudinal direction of the ski, in which If the damping elements arranged next to one another in the longitudinal direction of the ski can be welded or glued in a particularly advantageous manner to the layer made of glass fiber reinforced plastic on the inside of the carrier body.
  • the thickness of the damping element should advantageously be between 2 and 12 mm.
  • the design according to the invention allows the elastic movement of the ski to the full extent without being impaired by the damping element and leads to a rigid fixing of the damping element which cannot be disassembled during operation, the risk of detachment of the damping element not being present in the event of strong deflections of the ski.
  • a reproducible, reliable bond can only be ensured in the case of the determination already made during manufacture, in which the rigid bond is to be made directly to the upper belt of the ski.
  • the desired torsional properties can be set by using different hardnesses of damping elements running in the longitudinal direction of the ski, with an additional possibility of varying the torsional stability in the choice of the profiling of the carrier body being available.
  • Glass-fiber reinforced plastic on the inside of such carrier bodies can on the one hand facilitate the secure gluing and on the other hand take over the function of reinforcement laminates, which can likewise increase the torsional stability and reduce the risk of tearing off bonds which can be attached to such damping elements.
  • the design is preferably such that the damping material has recesses, in particular bores, running essentially transversely to the longitudinal direction of the ski, the recesses either being able to remain empty or elements, in particular rods, in the recesses.
  • different hardness and flexibility properties can be used.
  • Prefabricated anchoring points such as screw bushings or the like, can be integrated into the carrier body for the fixing of bindings.
  • FIG. 1 shows a partial perspective view of a ski according to the invention
  • 2 shows a section along the line II-II of Figure 1
  • 3 shows a section along the line III-III of Figure 1
  • 4 shows a section along the line IV-IV of Figure 1
  • 5 shows a section through a modified embodiment in a representation analogous to FIG. 3
  • 6 shows a section through the embodiment according to FIG. 5 in a representation analogous to FIG. 4
  • FIG. 7 in a representation similar to FIG. 1, a modified embodiment of a ski according to the invention with recesses in the damping material for adjusting the flexibility.
  • a ski 1 to 4 show a ski 1, the top of which is covered by a surface cover layer, for example a ski decor surface film 2.
  • a supporting body 3 for example made of aluminum, is provided for damping shocks acting transversely to the longitudinal direction of the ski, which is directly rigidly connected to the ski in a central area 4, for example by gluing and optionally by an additional screw connection is.
  • the areas of the support body 3 adjoining the central area 4 rigidly connected to the ski 1 connect to the ski with the interposition of damping material, in particular elastomeric damping material 5.
  • the stepped or recessed area 4 of the rigid connection of the support body to the ski 1 is filled with a correspondingly pressure-resistant filler 6.
  • the depth of the offset region of the profile forming the support body 3 corresponds essentially to the height or thickness of the damping material 5.
  • gluing or rigid connection of the support body 3 to the ski 1 and in particular to its upper flange 7 can take place with the interposition of a layer made of glass fiber reinforced plastic.
  • a continuous GRP layer 8 is additionally provided on the surface of the support body 3 facing the ski 1 in the embodiment according to FIGS. 5 and 6.
  • damping elements of different hardness can be arranged next to one another transversely to the longitudinal direction of the ski, as is indicated in FIGS. 4 and 6 by the outer damping elements 5 and inner damping elements 9.
  • the free ends 10 of the support body 3 run at an acute angle to the surface of the ski 1 or its upper flange 7 and end in the unloaded position of the ski at a short distance from the surface of the upper flange 7.
  • the surface cover layer is cut or cut directly in front of and behind the support body transversely to the longitudinal direction of the ski, as is schematically indicated by 11.
  • recesses or bores 12 are provided in the damping material 5 which run essentially transversely to the longitudinal direction of the ski and which, depending on their number and arrangement, result in an increase in the elasticity of the supporting body 3 and the damping material 5.
  • rods 13 of corresponding cross-section can be inserted into the recesses or bores 12, with the use of bars of different material properties adapting to the Desired flexibility behavior of the damping material 5 can be achieved.

Abstract

In a ski (1) with a damping element (5) for damping shocks acting transversely to the longitudinal direction of the ski in the region of a ski binding, with a support body (3) for at least one layer of damping material (5), in particular elastomeric damping material, arranged between the support body (3) and the ski (1), the support body (3) is, in a central region (4) lying between its front and rear ends lying in the longitudinal direction of the ski, rigidly connected directly to the upper belt (7) of the ski, and, in front of and behind the central region (4), connected to the upper side of the ski (1), the damping material (5) being interposed. <IMAGE>

Description

Die Erfindung bezieht sich auf einen Ski mit einem Dämpfungselement zur Dämpfung von quer zur Skilängsrichtung im Bereich einer Skibindung wirkenden Stößen, mit einem Tragkörper für wenigstens eine zwischen dem Tragkörper und dem Ski angeordnete Schicht aus Dämpfungsmaterial, insbesondere elastomerem Dämpfungsmaterial.The invention relates to a ski with a damping element for damping shocks acting transversely to the longitudinal direction of the ski in the region of a ski binding, with a support body for at least one layer of damping material, in particular elastomeric damping material, arranged between the support body and the ski.

Aus der EP-A-104 185 ist ein Dämpfungselement für einen Ski bekanntgeworden, welches an der Oberseite eines Skis festgelegt werden kann und in der Lage sein soll, eine Dämpfung in Längsrichtung des Skis zu ermöglichen. Zu diesem Zweck wird eine metallische Trägerplatte unter Zwischenschaltung einer elastomeren Dämpfungsschicht an der Oberseite an ihren beiden Enden mittels Schrauben festgelegt, wobei die Festlegung an zumindest einer Seite längenverschieblich erfolgen muß, um ein Abscheren der Schraubverbindung bei Durchbiegungen des Skis zu verhindern. Abgesehen von der aufwendigen Festlegung derartiger Dämpfungselemente wird eine Dämpfung quer zur Längsrichtung, d.h. in einer im wesentlichen auf die Skioberfläche senkrechten Richtung mit einer derartigen Ausbildung nicht angestrebt und nur unvollständig erreicht.From EP-A-104 185 a damping element for a ski has become known, which can be fixed on the top of a ski and should be able to allow damping in the longitudinal direction of the ski. For this purpose, a metallic carrier plate is interposed by means of screws with an elastomeric damping layer on the upper side, the fixing having to be displaceable on at least one side in order to prevent the screw connection from shearing when the ski bends. Apart from the complex determination of such damping elements, damping is transverse to the longitudinal direction, i.e. in a direction essentially perpendicular to the surface of the ski with such a design is not aimed at and only achieved incompletely.

Durch eine Dämpfung in Skilängsrichtung wird das Biegeverhalten des Skis beeinflußt. Ein nennenswerter Einfluß auf die Torsionseigenschaften ist mit Rücksicht auf die gleitende Verbindung eines derartigen Dämpfungselementes mit der Oberfläche des Skis nicht ohne weiteres zu erzielen.The bending behavior of the ski is influenced by damping in the longitudinal direction of the ski. A noteworthy influence on the torsion properties cannot easily be achieved with regard to the sliding connection of such a damping element with the surface of the ski.

Aus der DE-OS 26 34 748 sowie aus der DE-OS 26 01 951 sind bereits federnde Anordnungen im Bereich der Skibindung eines Skis bekanntgeworden, bei welchen ein quer zur Längsrichtung des Skis schwenkbares Federbrett Verwendung findet. Ziel einer derartigen federnden Anordnung ist es, dem Skiläufer die Ausführungen von Richtungsänderungen zu erleichtern, wobei einem federnden Brett naturgemäß nur eine unbefriedigende Dämpfungswirkung zukommt.From DE-OS 26 34 748 and from DE-OS 26 01 951 spring arrangements have already become known in the area of the ski binding of a ski, in which a spring board which can be pivoted transversely to the longitudinal direction of the ski is used. The aim of such a resilient arrangement is to make it easier for the skier to make changes in direction, whereby a resilient board naturally only has an unsatisfactory damping effect.

Zur Verbesserung der Lenkfähigkeit von Skiern wurden weiters bereits plattenförmige Elemente vorgeschlagen, welche in ihrer Neigung quer zur Skilängsachse ein gewisses Maß an Verstellbarkeit zulassen. Auch derartige Ausbildungen haben naturgemäß keinen Einfluß auf die Torsionseigenschaften eines Skis und sollen dazu dienen, bei einer Seitenverlagerung des Körpers die Verkantungsgefahr zu verringern.In order to improve the steerability of skis, plate-shaped elements have already been proposed, which allow a certain degree of adjustability in their inclination transverse to the longitudinal axis of the ski. Naturally, such designs also have no influence on the torsional properties of a ski and are intended to reduce the risk of canting when the body is shifted to the side.

Die Erfindung zielt nun darauf ab, einen Ski der eingangs genannten Art dahingehend weiterzubilden, daß eine einwandfreie Dämpfung von vertikalen Schlägen quer zur Längsachse eines Skis erreicht wird und gleichzeitig das Torsionsverhalten des Skis in weiten Grenzen einstellbar gewählt werden kann. Weiters soll durch die erfindungsgemäße Ausbildung eine möglichst einfache und betriebssichere Verbindung eines derartigen Dämpfungselementes mit dem Ski erzielt werden, welche auch bei harten Schlägen und Durchbiegungen des Skis eine Trennung des Dämpfungselementes vom Ski mit Sicherheit verhindert. Zur Lösung dieser Aufgäbe besteht die erfindungsgemäße Ausbildung im wesentlichen darin, daß der Tragkörper in einem mittleren zwischen seinem in Skilängsrichtung liegenden Vorder- und Hinterende liegenden Bereich unmittelbar oder über eine Zwischenlage aus glasfaserverstärktem Kunststoff starr mit dem Obergurt des Skis verbunden ist und vor und hinter dem mittleren Bereich unter Zwischenschaltung des Dämpfungsmaterials an die Oberseite des Skis angeschlossen ist. Dadurch, daß die Festlegung eines derartigen Dämpfungselementes im mittleren, zwischen dem in Skilängsrichtung liegenden vorderen und hinteren Bereich erfolgt, wird die Elastizität und damit das Biegeverhalten des Skis in Skilängsrichtung in keiner Weise beeinträchtigt. Die Festlegung in einem mittleren Bereich kann hiebei bei Durchbiegungen des Skis von Scherkräften freigehalten werden, so daß eine sichere Verankerung und Festlegung des Dämpfungselementes auch bei starker Durchbiegung des Skis gewährleistet ist. Dadurch, daß vor diesem mittleren Bereich und hinter diesem mittleren Bereich der Tragkörper unter Zwischenschaltung des Dämpfungsmaterials an der Oberseite des Skis angeschlossen ist, wird eine einwandfreie Dämpfung von vertikalen Stößen sichergestellt, wobei insbesondere dadurch, daß die Festlegung des Tragkörpers am Ski durch starre Verbindung des Tragkörpers mit dem Obergurt des Skis erfolgt, eine sichere und weitgehend unzerstörbare Verbindung möglich wird. Die erfindungsgemäße Ausbildung kann hiebei, wie es einer bevorzugten Weiterbildung entspricht, in einer Weise mit dem Ski verbünden sein, daß der Tragkörper unterhalb der Oberflächendeckschicht, insbesondere unterhalb einer Ski-Dekor-Oberflächenfolie angeordnet ist. Auf diese Weise wird unmittelbar eine Integration des Dämpfungselementes in die Skikonstruktion bei der Herstellung erzielt, welche die gewünschte Elastizität in Längsrichtung aufrechterhält, wobei gleichzeitig ein hohes Maß an Zerstörungssicherheit gewährleistet wird.The invention now aims to develop a ski of the type mentioned in such a way that a perfect damping of vertical impacts transverse to the longitudinal axis of a ski is achieved and, at the same time, the torsional behavior of the ski can be set within wide limits. Furthermore, the construction according to the invention is intended to achieve a connection of such a damping element to the ski that is as simple and reliable as possible, which prevents separation of the damping element from the ski with certainty even in the event of hard impacts and deflections of the ski. To solve these tasks, the training according to the invention essentially consists in the fact that the support body is rigidly connected to the upper belt of the ski and in front and behind in a central area between its front and rear ends lying in the longitudinal direction of the ski or directly or via an intermediate layer made of glass fiber reinforced plastic middle area is connected to the top of the ski with the interposition of the damping material. The fact that such a damping element is fixed in the middle, between the front and rear region lying in the longitudinal direction of the ski, in no way affects the elasticity and thus the bending behavior of the ski in the longitudinal direction of the ski. The fixing in a central area can be kept free of shear forces when the ski bends, so that a secure anchoring and fixing of the damping element is guaranteed even if the ski bends excessively. The fact that before this central area and behind this central area the support body is connected with the interposition of the damping material on the top of the ski, a perfect damping of vertical impacts is ensured, in particular in that the fixing of the support body on the ski by rigid connection of the Carrier body with the top flange of the ski takes place, a secure and largely indestructible connection is possible. The design according to the invention can, as is the case in a preferred development, be connected to the ski in such a way that the support body is arranged below the surface cover layer, in particular below a ski decor surface film. In this way, an integration of the damping element into the ski construction during manufacture is achieved, which maintains the desired elasticity in the longitudinal direction, while at the same time ensuring a high degree of security against destruction.

Um nun gleichzeitig die Torsionseigenschaften eines Skis bei Aufrechterhaltung der Biegeelastizität in Skilängsrichtung in dem gewünschten Maße einzustellen, kann mit Vorteil der Tragkörper quer zur Skilängsrichtung verlaufende Profilierungen aufweisen, wobei die Ausbildung in besonders vorteilhafter Weise so getroffen ist, daß der Tragkörper im mittleren Bereich eine der Stärke des Dämpfungsmateriales im wesentlichen entsprechende Vertiefung aufweist und in dem vertieften Bereich mit dem Ski starr verbunden ist. Eine derartige Profilabsenkung im mittleren Bereich ermöglicht eine einwandfreie Verbindung des Tragkörpers mit dem Obergurt des Skis, wobei das Dämpfungsmaterial gleichfalls zumindest teilweise in der Oberfläche des Skis eingelassen sein kann. Eine derartige Ausbildung des Tragkörpers erhöht die Torsionssteifigkeit auf Grund der Abkantungen im Bereich der Profilabsenkung, wobei durch Gestalt und Ausmaß der quer angeordneten Profilierungen die Torsionseigenschaften in weiten Maßen variiert werden können. Bei einer derartigen Ausbildung mit im am Obergurt des Skis festgelegtem, vertieften, mittleren Bereich des Tragkörpers wird die Konstruktion mit Vorteil so getroffen, daß der vertiefte Bereich des Tragkörpers mit einem entsprechend druckfesten Füllstoff ausgefüllt ist, wobei mit Vorteil die starre Verbindung des Tragkörpers mit dem Skiobergurt als Verklebung ausgebildet sein kann. Zusätzlich zu einer derartigen starren Verklebung kann der mittlere Teil des Tragkörpers mit dem Ski, insbesondere dem Obergurt des Skis, verklebt und verschraubt sein, wobei eine derartige Verschraubung bei Durchbiegungen des Skis keine Scherkräfte aufnehmen muß.In order to simultaneously adjust the torsional properties of a ski while maintaining the bending elasticity in the longitudinal direction of the ski to the desired extent, the support body can advantageously have profiles that run transversely to the longitudinal direction of the ski, the design being made in a particularly advantageous manner so that the support body in the central region is one of the Thickness of the damping material has a corresponding recess and is rigidly connected to the ski in the recessed area. Such a lowering of the profile in the central area enables a perfect connection of the support body to the upper flange of the ski, the damping material likewise being able to be at least partially embedded in the surface of the ski. Such a design of the support body increases the torsional rigidity due to the folds in the area of the profile lowering, the shape and extent of the transverse arranged profiles the torsion properties can be varied to a large extent. With such a design with the deepened, central region of the support body fixed in the upper flange of the ski, the construction is advantageously made such that the recessed area of the support body is filled with a correspondingly pressure-resistant filler, the rigid connection of the support body to the Ski top belt can be designed as an adhesive. In addition to such a rigid bond, the middle part of the support body can be glued and screwed to the ski, in particular the upper flange of the ski, such screwing not having to absorb shear forces when the ski bends.

Eine einheitliche Gestaltung der Oberfläche bei gleichzeitiger zusätzlicher Sicherung des Dämpfungselementes wird dadurch gewährleistet, daß der Tragkörper unterhalb der Oberflächendeckschicht angeordnet ist, wobei mit Vorteil die Ausbildung so getroffen ist, daß der Tragkörper in einer Ausnehmung der Skioberseite flächenbündig mit der Oberflächenschicht bzw. -folie angeordnet ist. Um bei einer derartigen Ausbildung eine Zerstörung der Oberflächendeckschicht bei Durchbiegungen des Skis mit Sicherheit zu vermeiden und die Flexibilität des Skis in Längsrichtung in keiner Weise zu beeinträchtigen, ist mit Vorteil die Oberflächenfolie vor und hinter dem Tragkörper quer zur Skilängsrichtung durchtrennt bzw. durchschnitten, wobei mit Vorteil der Übergang von den ungedämpften Bereichen des Skis in den Bereich der Dämpfungsplatte flach und ohne ausgeprägte Kanten ausgebildet ist, um Überbelastungen hier zu vermeiden. Zu diesem Zweck ist die Ausbildung mit Vorteil so getroffen, daß die freien Enden des Tragkörpers spitzwinkelig zum Ski verlaufend ausgebildet sind.A uniform design of the surface with simultaneous additional securing of the damping element is ensured in that the support body is arranged below the surface cover layer, the design advantageously being such that the support body is arranged flush with the surface layer or film in a recess on the top of the ski is. In order to avoid destruction of the surface cover layer when the ski bends and to prevent the flexibility of the ski in the longitudinal direction in any way, the surface film in front of and behind the carrier body is advantageously cut or cut transversely to the longitudinal direction of the ski, with Advantage of the transition from the undamped areas of the ski to the area of the damping plate is flat and without pronounced edges, in order to avoid overloading here. For this purpose, the design is advantageously made such that the free ends of the support body are formed at an acute angle to the ski.

Mit Vorteil werden Tragkörper aus Metall, insbesondere Aluminium, eingesetzt, wobei zur Verbesserung der Klebeverbindung und zur leichteren Verarbeitung die Ausbildung so getroffen sein kann, daß der Tragkörper unter Zwischenschaltung wenigstens einer Lage aus glasfaserverstärktem Kunststoff mit dem Obergurt starr verbunden ist. Neben einer Verbindung des Tragkörpers mit dem Obergurt unter Zwischenschaltung eines derartigen glasfaserverstärkten Kunststoffes kann die gesamte innere Oberfläche des Tragkörpers eine Schicht aus glasfaserverstärktem Kunststoff aufweisen, so daß in der Folge auch eine einfache Verklebung mit dem Dämpfungsmaterial gelingt.Carriers made of metal, in particular aluminum, are advantageously used, with the aim of improving the Adhesive connection and, for easier processing, the design can be made such that the support body is rigidly connected to the upper chord with the interposition of at least one layer of glass fiber reinforced plastic. In addition to a connection of the support body to the top flange with the interposition of such a glass fiber reinforced plastic, the entire inner surface of the support body can have a layer of glass fiber reinforced plastic, so that a simple adhesive bond to the damping material is also possible as a result.

Um mit einfachen Mitteln ein hohes Maß an Variabilität in bezug auf die Torsionsstabilität bzw. die Torsionseigenschaften zu erzielen, kann mit Vorteil die Ausbildung so getroffen sein, daß quer zur Skilängsrichtung nebeneinander in Skilängsrichtung verlaufende Dämpfungselemente verschiedener Härte bzw. Steifigkeit angeordnet sind, wobei in diesen Fällen die in Skilängsrichtung nebeneinander angeordneten Dämpfungselemente in besonders vorteilhafter Weise mit der Lage aus glasfaserverstärktem Kunststoff an der Innenseite des Trägerkörpers verschweißt oder verklebt sein können.In order to achieve a high degree of variability with respect to the torsional stability or the torsional properties with simple means, the design can advantageously be made such that damping elements of different hardness or rigidity are arranged next to one another in the longitudinal direction of the ski, transversely to the longitudinal direction of the ski, in which If the damping elements arranged next to one another in the longitudinal direction of the ski can be welded or glued in a particularly advantageous manner to the layer made of glass fiber reinforced plastic on the inside of the carrier body.

Als Material für das Dämpfungselement hat sich ein Material mit Shore-Härten nach Shore A von 30 bis 90 besonders bewährt, wobei die Dicke des Dämpfungselementes in vorteilhafter Weise zwischen 2 und 12 mm liegen soll.A material with Shore A hardness according to Shore A of 30 to 90 has proven particularly useful as the material for the damping element, the thickness of the damping element should advantageously be between 2 and 12 mm.

Die erfindungsgemäße Ausbildung läßt die elastische Bewegung des Skis ohne Beeinträchtigung durch das Dämpfungselement in vollem Umfang zu und führt zu einer starren und im Betrieb nicht demontierbaren Festlegung des Dämpfungselementes, wobei die Gefahr einer Loslösung des Dämpfungselementes bei starken Durchbiegungen des Skis nicht besteht. Im Falle der Nachrüstung von Skiern mit derartigen Däpfungselementen ist es aus Gründen der Stabilität vorteilhaft, neben einer starren Verklebung im mittleren Bereich zur Sicherung zusätzlich eine Verschraubung zu wählen, da eine sichere Klebeverbindung mit Rücksicht auf die problematische Reinigung der Klebefläche nicht ohne weiteres gewährleistet wäre. Lediglich bei der bei der Herstellung bereits erfolgenden Festlegung, bei welcher die starre Verklebung unmittelbar mit dem Obergurt des Skis erfolgen soll, läßt sich eine reproduzierbare, zuverlässige Klebung sicherstellen.The design according to the invention allows the elastic movement of the ski to the full extent without being impaired by the damping element and leads to a rigid fixing of the damping element which cannot be disassembled during operation, the risk of detachment of the damping element not being present in the event of strong deflections of the ski. In the case of retrofitting skis with such damping elements, it is advantageous for reasons of stability, in addition to a rigid one Glue in the middle area to additionally choose a screw connection, since a secure adhesive connection would not be guaranteed without further consideration with regard to the problematic cleaning of the adhesive surface. A reproducible, reliable bond can only be ensured in the case of the determination already made during manufacture, in which the rigid bond is to be made directly to the upper belt of the ski.

Durch den Einsatz unterschiedlicher Härten von in Skilängsrichtung verlaufenden Dämpfungselementen lassen sich die gewünschten Torsionseigenschaften einstellen, wobei eine zusätzliche Möglichkeit der Variation der Torsionsstabilitäten in der Wahl der Profilierung des Trägerkörpers zur Verfügung steht. Glasfaserverstärkter Kunststoff an der Innenseite derartiger Trägerkörper kann zum einen die sichere Verklebung erleichtern und zum anderen die Funktion von Verstärkungslaminaten übernehmen, welche gleichfalls die Torsionsstabilität erhöhen können und die Gefahr eines Ausreißens von Bindungen, welche an derartigen Dämpfungselementen festgelegt werden können, verringern.The desired torsional properties can be set by using different hardnesses of damping elements running in the longitudinal direction of the ski, with an additional possibility of varying the torsional stability in the choice of the profiling of the carrier body being available. Glass-fiber reinforced plastic on the inside of such carrier bodies can on the one hand facilitate the secure gluing and on the other hand take over the function of reinforcement laminates, which can likewise increase the torsional stability and reduce the risk of tearing off bonds which can be attached to such damping elements.

Für eine weitergehende Einstellung der Flexibilität des Tragkörpers und des Dämpfungsmaterials ist die Ausbildung bevorzugt so getroffen, daß das Dämpfungsmaterial im wesentlichen quer zur Skilängsrichtung verlaufende Ausnehmungen, insbesondere Bohrungen, aufweist, wobei die Ausnehmungen entweder leer verbleiben können oder in die Ausnehmungen Elemente, insbesondere Stäbe, unterschiedlicher Härte und Flexibilitätseigenschaften eingesetzt werden können.For a further adjustment of the flexibility of the support body and the damping material, the design is preferably such that the damping material has recesses, in particular bores, running essentially transversely to the longitudinal direction of the ski, the recesses either being able to remain empty or elements, in particular rods, in the recesses. different hardness and flexibility properties can be used.

In den Trägerkörper können vorgefertigte Verankerungsstellen, wie z.B. Schraubbüchsen od.dgl., für die Festlegung von Bindungen integriert werden.Prefabricated anchoring points, such as screw bushings or the like, can be integrated into the carrier body for the fixing of bindings.

Die Erfindung wird nachfolgend an Hand von in der Zeichnung schematisch dargestellten Ausführungsbeispielen näher erläutert. In dieser zeigen Fig.1 eine perspektivische Teilansicht eines erfindungsgemäßen Skis; Fig.2 einen Schnitt nach der Linie II-II der Fig.1; Fig.3 einen Schnitt nach der Linie III-III der Fig.1; Fig.4 einen Schnitt nach der Linie IV-IV der Fig.1; Fig.5 einen Schnitt durch eine abgewandelte Ausführungsform in einer zu Fig.3 analogen Darstellung; Fig.6 einen Schnitt durch die Ausführungsform gemäß Fig.5 in einer zu Fig.4 analogen Darstellung; und Fig.7 in einer zu Fig.1 ähnlichen Darstellung eine abgewandelte Ausführungsform eines erfindungsgemäßen Skis mit Ausnehmungen im Dämpfungsmaterial zur Einstellung der Flexibilität.The invention is explained in more detail below on the basis of exemplary embodiments schematically illustrated in the drawing. 1 shows a partial perspective view of a ski according to the invention; 2 shows a section along the line II-II of Figure 1; 3 shows a section along the line III-III of Figure 1; 4 shows a section along the line IV-IV of Figure 1; 5 shows a section through a modified embodiment in a representation analogous to FIG. 3; 6 shows a section through the embodiment according to FIG. 5 in a representation analogous to FIG. 4; and FIG. 7 in a representation similar to FIG. 1, a modified embodiment of a ski according to the invention with recesses in the damping material for adjusting the flexibility.

In den Fig.1 bis 4 ist ein Ski 1 dargestellt, dessen Oberseite durch eine Oberflächendeckschicht, beispielsweise eine Ski-Dekor-Oberflächenfolie 2 abgedeckt ist. Im Bereich einer nicht näher dargestellten Skibindung ist zur Dämpfung von quer zur Skilängsrichtung wirkenden Stößen ein Tragkörper 3, beispielsweise aus Aluminium, vorgesehen, welcher in einem mittleren Bereich 4,beispielsweise durch eine Verklebung und gegebenenfalls durch eine zusätzliche Verschraubung, unmittelbar starr mit dem Ski verbunden ist. Die an den mittleren, starr mit dem Ski 1 verbundenen Bereich 4 anschließenden Bereiche des Tragkörpers 3 schließen dabei unter Zwischenschaltung von Dämpfungsmaterial, insbesondere elastomerem Dämpfungsmaterial 5 an den Ski an. Für eine im wesentlichen ebene Skioberfläche im Bereich des Tragkörpers ist der abgesetzt bzw. vertieft ausgebildete Bereich 4 der starren Verbindung des Tragkörpers mit dem Ski 1 mit einem entsprechend druckfesten Füllstoff 6 verfüllt. Die Tiefe des abgesetzten Bereiches des den Tragkörper 3 bildenden Profiles entspricht dabei im wesentlichen der Höhe bzw. Stärke des Dämpfungsmaterials 5.1 to 4 show a ski 1, the top of which is covered by a surface cover layer, for example a ski decor surface film 2. In the area of a ski binding, not shown, a supporting body 3, for example made of aluminum, is provided for damping shocks acting transversely to the longitudinal direction of the ski, which is directly rigidly connected to the ski in a central area 4, for example by gluing and optionally by an additional screw connection is. The areas of the support body 3 adjoining the central area 4 rigidly connected to the ski 1 connect to the ski with the interposition of damping material, in particular elastomeric damping material 5. For a substantially flat ski surface in the area of the support body, the stepped or recessed area 4 of the rigid connection of the support body to the ski 1 is filled with a correspondingly pressure-resistant filler 6. The depth of the offset region of the profile forming the support body 3 corresponds essentially to the height or thickness of the damping material 5.

Die Verklebung bzw. starre Verbindung des Tragkörpers 3 mit dem Ski 1 und insbesondere mit dessen Obergurt 7 kann unter Zwischenschaltung einer Lage aus glasfaserverstärktem Kunststoff erfolgen. Für eine einfache Festlegung des Dämpfungsmaterials 5 ist darüberhinaus bei der Ausbildung gemäß den Fig.5 und 6 eine durchgehende GFK-Lage 8 an der dem Ski 1 zugewandten Fläche des Tragkörpers 3 vorgesehen.The gluing or rigid connection of the support body 3 to the ski 1 and in particular to its upper flange 7 can take place with the interposition of a layer made of glass fiber reinforced plastic. For a simple fixing of the damping material 5, a continuous GRP layer 8 is additionally provided on the surface of the support body 3 facing the ski 1 in the embodiment according to FIGS. 5 and 6.

Für eine Beeinflussung der Torsionseigenschaften des Skis können quer zur Skilängsrichtung nebeneinander Dämpfungselemente unterschiedlicher Härte angeordnet werden, wie dies in den Fig.4 und 6 durch die außenliegenden Dämpfungselemente 5 und innenliegende Dämpfungselemente 9 angedeutet ist.In order to influence the torsional properties of the ski, damping elements of different hardness can be arranged next to one another transversely to the longitudinal direction of the ski, as is indicated in FIGS. 4 and 6 by the outer damping elements 5 and inner damping elements 9.

Um auch bei einer Durchbiegung des Skis die Eigenschaft des Skis nicht zu beeinflussen, verlaufen die freien Enden 10 des Tragkörpers 3 spitzwinkelig zur Oberfläche des Skis 1 bzw. dessen Obergurt 7 und enden in unbelasteter Lage des Skis in einem geringen Abstand von der Oberfläche des Obergurtes 7. Um auch bei starken Durchbiegungen eine Zerstörung der Oberflächendeckschicht 2 zu vermeiden, ist die Oberflächendeckschicht unmittelbar vor und hinter dem Tragkörper quer zur Skilängsrichtung durchtrennt bzw. durchschnitten, wie dies schematisch mit 11 angedeutet ist.In order not to influence the property of the ski even when the ski deflects, the free ends 10 of the support body 3 run at an acute angle to the surface of the ski 1 or its upper flange 7 and end in the unloaded position of the ski at a short distance from the surface of the upper flange 7. In order to avoid destruction of the surface cover layer 2 even in the event of strong deflections, the surface cover layer is cut or cut directly in front of and behind the support body transversely to the longitudinal direction of the ski, as is schematically indicated by 11.

Bei der Ausbildung gemäß Fig.7 sind im Dämpfungsmaterial 5 im wesentlichen quer zur Skilängsrichtung verlaufende Ausnehmungen bzw. Bohrungen 12 vorgesehen, welche entsprechend ihrer Anzahl und Anordnung eine Erhöhung der Elastizität des Tragkörpers 3 und des Dämpfungsmaterials 5 ergeben. Zur Einstellung unterschiedlicher Härte und Flexibilitätseigenschaften des Dämpfungsmaterials 5 können in die Ausnehmungen bzw. Bohrungen 12 Stäbe 13 entsprechenden Querschnittes eingefügt werden, wobei durch den Einsatz von Stäben unterschiedlicher Materialeigenschaften eine Anpassung an das gewünschte Flexibilitätsverhalten des Dämpfungsmaterials 5 erzielbar ist.In the embodiment according to FIG. 7, recesses or bores 12 are provided in the damping material 5 which run essentially transversely to the longitudinal direction of the ski and which, depending on their number and arrangement, result in an increase in the elasticity of the supporting body 3 and the damping material 5. To set different hardness and flexibility properties of the damping material 5, rods 13 of corresponding cross-section can be inserted into the recesses or bores 12, with the use of bars of different material properties adapting to the Desired flexibility behavior of the damping material 5 can be achieved.

Aufgrund der Tatsache, daß die im wesentlichen zum Obergurt parallelen Bereiche des im wesentlichen plattenförmigen Trägerkörpers 3, an welchen Bereichen beispielsweise die Bindung festlegbar ist, in Abstand von der Skioberfläche bzw. vom Obergurt 7 verlaufen und selbst bei Durchbiegungen keine unmittelbare Anlage der Bereiche an den Skiobergurten erfolgt, Rann eine Entkopplung des Schwingungsverhaltens des Skis und der Bindung vorgenommen werden, so daß Schläge oder Stöße vom Ski beispielsweise vollkommen über die Dämpfungselemente abgefangen werden und nicht in die Bindung bzw. in den Fuß des Skiläufers übertragen werden.Due to the fact that the areas of the substantially plate-shaped carrier body 3, essentially parallel to the upper chord, to which areas, for example, the binding can be fixed, run at a distance from the ski surface or from the upper chord 7 and, even in the event of deflections, no direct contact of the areas with the Ski top belts take place, decoupling of the vibration behavior of the ski and the binding can be carried out, so that shocks or impacts from the ski, for example, are completely absorbed via the damping elements and are not transmitted into the binding or into the foot of the skier.

Bei Verwendung der gekröpft ausgebildeten Tragkörper ergibt sich als weiterer Vorteil ein vergrößerter Abstand der Skischuhschale und insbesondere der Sohle des Skischuhes von der Unterkante des Skis und eine damit verbundene größere Bodenfreiheit, welche insbesondere bei starkem Kanteneinsatz und entsprechend engen Kurvenradien vorteilhaft ist. Im abgesetzt ausgebildeten Bereich 4 des Tragkörpers verbleibt darüber hinaus Raum für den Einbau verschiedener Zusatzeinrichtungen, wie beispielsweise eine versperrbare Skibremse, sperrbare Bindungselemente, ein Kilometerzähler oder eine elektronische Bindungssteuerung.When using the cranked support body, there is a further advantage of an increased distance between the ski boot shell and in particular the sole of the ski boot and the lower edge of the ski and a greater ground clearance associated therewith, which is particularly advantageous with strong edge use and correspondingly tight curve radii. In the detached area 4 of the supporting body there is also space for the installation of various additional devices, such as a lockable ski brake, lockable binding elements, an odometer or an electronic binding control.

Claims (16)

  1. Ski with an absorbing element for absorption of impacts acting transversely to the longitudinal direction of the ski in the region of a ski binding, with a support (3) for at least one layer (5, 9) of absorbent material, in particular elastomeric absorbent material, arranged between the support (3) and the ski (1), characterised in that in an area (4) located directly between its front end and back end in the longitudinal direction of the ski, the support (3) is rigidly connected to the upper edge (7) of the ski (1) either directly or by means of an intermediate layer of glass-fibre reinforced plastic, and is connected in front of and behind the central area (4) to the top of the ski (1) with the absorbent material (5, 9) placed inbetween.
  2. Ski according to Claim 1, characterised in that the support (3) is arranged underneath the surface covering layer (2), in particular underneath a design surface foil on the ski.
  3. Ski according to Claim 1 or 2, characterised in that in the central area (4), the support (3) has a recess corresponding essentially to the thickness of the absorbent material (5, 9) and is rigidly connected to the ski in the recessed area (4).
  4. Ski according to Claim 1, 2 or 3, characterised in that the recessed area (4) of the support (3) is filled with a compression-proof filler material (6).
  5. Ski according to Claims 1 to 4, characterised in that the rigid connection of the support (3) to the upper edge (7) of the ski is in the form of an adhesive joint.
  6. Ski according to one of Claims 1 to 5, characterised in that the free ends (10) of the support (3) are designed to extend at an acute angle to the ski.
  7. Ski according to one of Claims 1 to 6, characterised in that the support (3) is made from metal, in particular aluminium.
  8. Ski according to one of Claims 1 to 7, characterised in that on its inside facing the ski (1), the support (3) has at least one layer (8) of glass-fibre reinforced plastic.
  9. Ski according to one of Claims 1 to 8, characterised in that the support (3) is arranged in a recess in the top of the ski to lie flush with the surface layer or foil (2).
  10. Ski according to one of Claims 1 to 9, characterised in that the surface foil (2) is separated or cut in front of and behind the support (3) transversely to the longitudinal direction of the ski.
  11. Ski according to one of Claims 1 to 10, characterised in that absorbing elements (5, 9) of different hardness or rigidity are arranged to extend transversely to the longitudinal direction of the ski and next to one another in the longitudinal direction of the ski.
  12. Ski according to one of Claims 1 to 11, characterised in that the support (3) has contouring extending transversely to the longitudinal direction of the ski.
  13. Ski according to Claims 1 to 12, characterised in that the central part (4) of the support (3) is adhered and screwed to the ski (1).
  14. Ski according to one of Claims 1 to 13, characterised in that the absorbing element (5, 9) is used with Shore hardness values (A) from 30 to 90.
  15. Ski according to one of Claims 1 to 14, characterised in that the thickness of the absorbing elements (5, 9) amounts to 2 to 12 mm measured as a normal to the ski surface.
  16. Ski according to one of Claims 1 to 15, characterised in that the absorbent material (5) has recesses (12), in particular holes, extending essentially transversely to the longitudinal direction of the ski.
EP91890050A 1990-04-05 1991-03-19 Ski Expired - Lifetime EP0454655B1 (en)

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AT0082090A AT398039B (en) 1990-04-05 1990-04-05 Ski
AT820/90 1990-04-05
AT188890 1990-09-17
AT1888/90 1990-09-17

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EP0454655B1 true EP0454655B1 (en) 1994-12-21

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DE3214585C3 (en) * 1982-04-20 1996-06-13 Rohrmoser Alois Skifabrik Ski binding
AT376373B (en) * 1982-05-25 1984-11-12 Fischer Gmbh DEVICE FOR INCREASING THE RIGIDITY OF A SKI
ATA325883A (en) * 1983-09-13 1984-12-15 Rohrmoser Alois Skifabrik SKI
FR2575393A1 (en) * 1984-12-27 1986-07-04 Rossignol Sa SNOW SKI
KR900009029B1 (en) * 1986-10-07 1990-12-17 미쓰비시덴기 가부시기가이샤 Wire electrode type electric discharge machining device with preventable application of external force to its lowerarm
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FR2638653B1 (en) * 1988-11-07 1991-01-25 Salomon Sa SECURITY FIXING FOR SKI
IT1240702B (en) * 1989-06-26 1993-12-17 Fischer Gesellschaft M.B.H. SKIING, IN PARTICULAR FOR ALPINE SPORTS.
FR2651145B1 (en) * 1989-08-22 1991-12-06 Salomon Sa SECURITY FIXING FOR SKI.

Also Published As

Publication number Publication date
JPH05200139A (en) 1993-08-10
US5199734A (en) 1993-04-06
US5143395A (en) 1992-09-01
DE59102306D1 (en) 1994-09-01
ATE115876T1 (en) 1995-01-15
CA2039810A1 (en) 1991-10-06
CA2039831A1 (en) 1991-10-06
DE59103953D1 (en) 1995-02-02
EP0451132A2 (en) 1991-10-09
EP0451132A3 (en) 1991-11-06
JPH06190101A (en) 1994-07-12
ATE109016T1 (en) 1994-08-15
CA2039810C (en) 1995-04-04
EP0454655A1 (en) 1991-10-30
EP0451132B1 (en) 1994-07-27

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