EP0761260B1 - Schwingungsdämpfungsvorrichtung für Snowboards - Google Patents

Schwingungsdämpfungsvorrichtung für Snowboards Download PDF

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Publication number
EP0761260B1
EP0761260B1 EP96420262A EP96420262A EP0761260B1 EP 0761260 B1 EP0761260 B1 EP 0761260B1 EP 96420262 A EP96420262 A EP 96420262A EP 96420262 A EP96420262 A EP 96420262A EP 0761260 B1 EP0761260 B1 EP 0761260B1
Authority
EP
European Patent Office
Prior art keywords
board
tongue
detached
gliding
ski
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96420262A
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English (en)
French (fr)
Other versions
EP0761260A1 (de
Inventor
Jean-Pierre Artus
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.)
Skis Rossignol SA
Original Assignee
Skis Rossignol SA
Rossignol SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Skis Rossignol SA, Rossignol SA filed Critical Skis Rossignol SA
Publication of EP0761260A1 publication Critical patent/EP0761260A1/de
Application granted granted Critical
Publication of EP0761260B1 publication Critical patent/EP0761260B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

Definitions

  • the subject of the present invention is a damping device for vibrations for snowboarding, such as skiing, monoskiing or surfing.
  • the parasitic frequencies to be damped are different, so that the location, size and number of devices fitted to the board are different and adapted to each case.
  • Document FR-A-2 675 392 relates to a ski comprising the same characteristics as those described in the preceding document, with a flexion blade connected to the ski by a rigid connection, and by a flexible connection, these connections being spaced longitudinally one of the other on the bending blade.
  • Document EP-A-0 490 044 relates to a ski comprising a lower part or base, as well as an upper part or stiffener.
  • the connection between the stiffener and the base is made by flexible means or partially rigid.
  • Document FR-A-2 701 215 relates to a ski whose face upper is equipped with a flexion blade connected to the ski by at least two damping means spaced longitudinally on the ski, one by compared to each other.
  • Document FR-A-2 709 974 in the name of the Applicant, relates to a ski equipped with a plate for mounting the binding, this plate comprising a layer of visco-elastic material surmounted by a constraint plate, and the plate having, in its central part, an area not attached to the ski and deformed on the side opposite the ski, this blade undergoing, when the ski bends, buckling between its ends and tending to recall the ski in an upright position, that is to say not flexed.
  • Document WO-A-93/08883 relates to a device for dampen the deformations and vibrations of a snowboard comprising, in front of and behind the attachment, an elongated elastic arm, the end of which is located on the side of the fastener is fixed to the board and the other end of which rests on the upper face of the board with interposition of an elastic pad.
  • Document FR-A-2 713 499 relates to a plate for the mounting a shoe binding on an alpine ski, comprising a layer of visco-elastic material fixed on the upper face of the ski, and on which is fixed a high elastic modulus stress plate.
  • Document EP-A-0 639 391 relates to a ski equipped with both on the other side of the attachment area of a transmitter arm shoe longitudinal elastic bands, one end of each of which is attached to the ski and the other end of which is supported by an elastic connection on the face superior of skiing.
  • the object of the invention is to provide a gliding board, such Whether skiing, monoskiing or surfing, with a plate type damping device of stress, and in which the stress plate offers other possibilities of damping or elastic return of the ski in its position not constrained.
  • the board which it concerns of the type with "plate of constraint ", of any shape and the largest dimension of which is oriented approximately longitudinally to the board, comprising a layer of visco-elastic material coated with a stress plate high modulus of elasticity, the layer of visco-elastic material being secured on the one hand to an outer surface of the gliding board and on the other hand to the constraint plate, the constraint plate extending over its entire length on the layer of visco-elastic material and comprising at least one tongue-shaped zone which is not integral with the plank over part of the width and over part of the length of the plate, these directions being considered with reference to the length and the width of the board, this tongue being elastically flexible, and being connected to the board by its ends, so that, when bending the board, it behaves like a leaf spring acting mechanically by buckling between its two ends connected to the board, while the rest of the device acts as a visco-elastic damper with a conventional stress plate, the tab detached from the board
  • the device provides the ski with a shear damping function of the layer of visco-elastic material, as well as an elastic return function by the buckling effect mechanics of the tongue not glued to the ski, which is favored by the tongue pre-shaping.
  • each zone comprising a tab detached from the board, it may or may not be provided with visco-elastic material. In the since there is a layer of visco-elastic material, this is fixed on the upper face of the board and not fixed on the tongue.
  • the tongue can be equipped, in its central part, and on its side turned to the side opposite to the board, a mass-spring system tuned to a certain frequency.
  • This system can be constituted by a cage containing a counterweight housed inside a visco-elastic product.
  • the tab detached from the board can be straight, and oriented along the longitudinal axis of the ski or obliquely.
  • This tongue can occupy a central position relative to the plate, or be arranged laterally to it.
  • the two end zones may be common for the tab detached from the plate and for the plate itself, or although the tongue detached from the board may have a zone end integral with the board, but distinct from the rest of the plate.
  • the device comprises several tabs separated from the board, arranged obliquely by relative to the longitudinal axis thereof, and the ends of which are secured to two longitudinal tabs secured to the next board their entire surface.
  • a layer of visco-elastic material on the other side of which is fixed a constraint plate is fixed on the face of the tongue separated from the board, turned to the side opposite the ski.
  • FIG. 1 represents a ski 2 comprising, in a manner known in oneself, a spatula 3, a heel 4 and a central part 5 or skate area in which a binding for a ski boot made up is mounted by a stop 6 and a heel piece 7.
  • Figure 3 and other figures very schematically represent this cross-sectional ski, it being specified that the structure of the ski is given by way of illustration but is not the subject of the invention.
  • the ski includes a sole of sliding 7 bordered by two metal edges 8 longitudinal, on which rest the lower edges of a shell 9 forming the walls side 10 and the upper wall 12 of the ski.
  • the interior of this ski includes a core 13, any reinforcing elements, both at the level of the sole 7 at the level of the shell 9, not having been shown.
  • the invention could equally apply to skis of traditional structure, that is to say comprising longitudinal edges resting on the edges 8, or on associated reinforcing elements at the edges, these edges themselves serving as supports for a wall superior performed independently.
  • a damping device 14 of type of stress plate is arranged between the stop 6 of the fixing and the spatula 3.
  • a damping device 14 of type of stress plate, is arranged between the stop 6 of the fixing and the spatula 3.
  • only one damping device is shown in drawing, it is possible, depending on the type of behavior sought for the ski and according to the frequencies of the vibrations to be absorbed, depending on whether it is a ski more specifically intended for the practice of giant slalom or for practice of the special slalom, to position the device 14 differently or mounting several devices 14.
  • a damping device with a plate of stress includes a layer 15 of visco-elastic material fixed on the upper wall 12 of the ski, for example by bonding. On this layer of visco-elastic material is fixed, also by gluing, a plate of stress 16 with high modulus of elasticity. Damping vibrations is obtained by a shearing phenomenon of the layer 15 of material visco-elastic between the upper wall 12 of the ski and the plate constraint 16.
  • the device shock absorber comprises a layer 15 of visco-elastic material as well than a stress plate 16 in the general shape of a hollow ellipse.
  • the central part of the device has two recesses 17 defining a straight tongue 18 longitudinal, which is detached from the face superior of the ski, it being specified that, as shown in FIGS. 2 and 3, it there is no layer of visco-elastic material nor at the level of recesses 17, nor under the tongue 18.
  • the tongue 18 being elastically flexible, and being connected by its ends to the board, since its ends rest and are fixed on the layer of visco-elastic material 15, it behaves like a leaf spring, acting mechanically by buckling between its two ends connected to the board. As for the rest of the device, it acts as a visco-elastic damper with a stress plate, by shearing of the layer 15 of visco-elastic material between the wall upper 12 of the ski and the stress plate 16.
  • Figure 4 shows an alternative embodiment of the device Figures 1 to 3, in which the same elements are designated by same references as before.
  • the layer 15a of visco-elastic material extends over the entire surface of the device, including at the level of the recesses 17, and under the tongue 18.
  • the tongue 18 is not glued to the layer of material visco-elastic 15a.
  • Figures 5 to 7 show another embodiment of this damping device, of a structure close to the device of FIGS. 1 to 3.
  • the device designated by the general reference 19 presents a general form of parallelogram, of which the two branches longitudinal are oriented in the direction of the length of the board.
  • the two transverse branches are connected by a tongue longitudinal 20 oriented in the direction of the length of the board.
  • This tongue 20 is detached from the ski in its central part, and is upwardly preformed, as shown in Figures 6 and 7, due to the presence on the upper face of the ski of a stud 22 produced in a elastic material, this stud forming a support and ensuring the predeformation of the tongue 20 on the side opposite the ski.
  • This provision directs the direction of deformation of the tongue and promotes the phenomenon of buckling during bending of the ski.
  • FIGS 8 and 9 show another embodiment of this damping device in which the same elements are designated by the same references as above.
  • This device designated by the general reference 23
  • This device has a generally rectangular shape, the central part is hollowed out.
  • the central part In this central part, are arranged, between the two longitudinal branches, four inclined tabs 24,25,26,27 at 45 ° to the longitudinal axis of the board.
  • Two of the tabs 24.26 are inclined in opposite directions to the other two.
  • each tab has a leaf-spring effect by buckling on the one hand on simple bending of the board, as in the previous cases, and on the other hand during deformations of the board by twist or twist.
  • the 45 ° angle given as an example, could be different, and the tabs could be pre-bent to orient the buckling.
  • Figure 10 shows another embodiment of this device, in which the same elements are designated by the same references than before.
  • this device designated by the reference General 28, the stress plate and the layer of visco-elastic material have a general form of diabolo.
  • Tab 29 detached from the ski is preformed on the opposite side of the ski, thanks to the presence of folds 30, and door, near its zone furthest from the ski, a cage 32 containing a flyweight 33 embedded inside a mattress of visco-elastic material.
  • This assembly forming mass of inertia also promotes the damping of certain vibrations.
  • FIG. 12 represents a shock absorber device 34 in the form general rectangular, in which are arranged, in the layer of visco-elastic material and in the stress plate, two recesses rectangular 35 delimiting three parallel branches connected by two perpendicular end zones. Among these three branches, one of them disposed laterally forms a tongue 36, the central part is not integral with the ski.
  • Figure 13 shows another device, similar to device of FIG. 2, designated by the general reference 37, in which the tongue 38 detached from the ski is arranged obliquely.
  • FIG. 14 represents a damping device 39 similar to that of FIGS. 2 and 3 and in which the same elements are designated by the same references as in this figure.
  • a layer 40 of material is fixed visco-elastic, on the upper side of which is fixed a tongue 42 with high modulus of elasticity forming a stress plate. It is so possible to combine, on the same support, damping qualities by buckling and shearing.
  • FIG. 16 represents a damper device 43 which has a top view in the form of a parallelogram.
  • the plate stress has, over part of its length, a longitudinal slot 44.
  • the large surface located on one side of slot 44 as well as the areas arranged in front and behind this slot, over the entire width of the plate, are integral with the ski, while the area located on the other side of the plate, in the upper part of the drawing, forms a tongue 45 which is not not part of the ski.
  • FIG. 17 represents an alternative embodiment of the device in FIG. 16, this new device 46 in the general shape of an ellipse, having two slots 47 formed in the constraint plate, these slots 47 being central and longitudinal, extending over part of the length of the stress plate, and delimiting between them a tongue 48 separated from the upper face of the ski.
  • Figures 18 and 19 show another embodiment of this damping device designated by the general reference 49.
  • the stress plate as well as the layer of viscoelastic material associated therewith have the general shape of an open O. From the central zone of the O extends a tongue 50 detached from the ski in its central part, and whose free end is fixed at 52 on the ski, independently of the constraint plate, by through a layer of visco-elastic material.
  • the length of the tongue 50 corresponding to its central part detached from the board, can be much longer than the plywood itself, which has the effect of increasing the buckling and therefore the effect appears.
  • the invention is not limited only to embodiments of this device described above by way of examples, on the contrary, it embraces all its variants. This is how that the same device could include several tabs separated from the ski, or that this device could be applied to other boards than a ski, for example a surf or a monoski, or according to the geometry of the gliding board, the device shock absorber could be fixed not on the upper side substantially parallel to the sole, but on an inclined face, or on the edges of the board, without departing from the scope of the invention.

Claims (15)

  1. Schneegleitbrett, zum Beispiel ein Ski, Monoski oder Snowboard, mit einer Vorrichtung zum Abdämpfen von Schwingungen vom Typ mit "Belastungsplatte" in beliebiger Form, deren größte Ausdehnung annähernd in Längsrichtung des Bretts gerichtet ist, umfassend eine Schicht aus viskoelastischem Material, die mit einer Belastungsplatte mit hohem Elastizitätsmodul bedeckt ist, wobei die Schicht aus viskoetastischem Material einerseits mit einer Außenfläche des Gleitbretts und andererseits mit der Belastungsplatte verbunden ist, wobei sich die Belastungsplatte über ihre gesamte Länge auf der Schicht aus viskoelastischem Material ausdehnt und wenigstens einen zungenförmigen Bereich (18, 20, 24, 29, 36, 38, 45, 48, 50) umfasst, der auf einem Teil der Breite und auf einem Teil der Länge der Platte nicht mit dem Brett verbunden ist, wobei diese Richtungsangaben auf die Länge und die Breite des Bretts bezogen sind, wobei diese Zunge elastisch biegsam ist und durch ihre Enden mit dem Brett verbunden ist, so dass sie sich bei Biegung des Bretts (2) wie ein Federblatt verhält, das mechanisch zwischen seinen beiden mit dem Brett verbundenen Enden ausknickt, während der Rest der Vorrichtung wie eine viskoelastische Dämpfungsvorrichtung mit einer klassischen Belastungsplatte wirkt, wobei die vom Brett getrennte Zunge durch Biegewalzen vorgeformt ist, um einen Buckel an der Seite zu bilden, die der Oberseite des Bretts abgewandt ist,
    dadurch gekennzeichnet, dass jede vom Brett getrennte Zunge (18, 20, 24, 29, 36, 38, 45, 48, 50) mittels schlitzförmiger Schnitte und/oder mittels fensterförmiger Ausnehmungen, welche in der Belastungsplatte innenliegend verwirklicht sind, in die Belastungsplatte eingebracht ist.
  2. Gleitbrett nach Anspruch 1,
    dadurch gekennzeichnet, dass in jedem Bereich, der eine vom Brett getrennte Zunge (18) umfasst, kein viskoelastisches Material (15) zwischen ihr und der Oberseite des Bretts (2) vorgesehen ist.
  3. Gleitbrett nach Anspruch 1,
    dadurch gekennzeichnet, dass in jedem Bereich, der eine vom Brett getrennte Zunge (18) umfasst, eine Schicht aus viskoelastischem Material (15a) vorhanden ist, die auf der Oberseite des Bretts befestigt ist, und nicht auf der Feder befestigt ist.
  4. Gleitbrett nach einem der Ansprüche 2 und 3,
    dadurch gekennzeichnet, dass ein elastischer Kontakt (22), der mit dem Mittelbereich der vom Brett getrennten Zunge (20) oder mit der Oberseite des Bretts (2) verbunden ist, und dessen Dicke größer ist als die Entfernung zwischen der Oberseite des Bretts und der Zunge, die Zunge auf der vom Brett abgewandten Seite vorverformt.
  5. Gleitbrett nach einem der Ansprüche 1 bis 4,
    dadurch gekennzeichnet, dass die vom Brett getrennte Zunge (29) in ihrem Mittelbereich und auf ihrer vom Brett abgewandten Seite mit einem Masse-Feder-System (32, 33) ausgestattet ist.
  6. Gleitbrett nach Anspruch 5,
    dadurch gekennzeichnet, dass die vom Brett getrennte Zunge (29) auf ihrer vom Brett abgewandten Seite mit einem Käfig (32) ausgestattet ist, der ein Fliehgewicht (33) enthält, das in einem viskoelastischen Produkt eingebettet ist.
  7. Gleitbrett nach einem der Ansprüche 1 bis 6,
    dadurch gekennzeichnet, dass die vom Brett getrennte Zunge (18, 20, 29, 36, 38, 45, 48, 50) gerade ist.
  8. Gleitbrett nach Anspruch 7,
    dadurch gekennzeichnet, dass die vom Brett getrennte Zunge (18, 20, 29, 36, 45, 48, 50) in Bezug auf das Brett (2) in Längsrichtung ausgerichtet ist.
  9. Gleitbrett nach Anspruch 7,
    dadurch gekennzeichnet, dass die vom Brett getrennte Zunge (24, 25, 26, 27, 38) eine bezüglich der Längsachse des Bretts (2) schräge Ausrichtung hat.
  10. Gleitbrett nach Anspruch 1,
    dadurch gekennzeichnet, dass es mehrere vom Brett (2) getrennte Zungen (24, 25, 26, 27) umfasst, die bezüglich dessen Längsachse schräg angeordnet sind und deren Enden mit zwei Längszungen verbunden sind, die ihrer gesamten Oberfläche nach mit dem Brett verbunden sind.
  11. Gleitbrett nach einem der Ansprüche 1 bis 9,
    dadurch gekennzeichnet, dass es eine vom Brett getrennte Mittelzunge (18, 20, 24, 29, 38, 48, 50) umfasst, die zwischen zwei Zungen angeordnet ist, die ihrer gesamten Oberfläche nach mit dem Brett verbunden sind.
  12. Gleitbrett nach einem der Ansprüche 1 bis 9,
    dadurch gekennzeichnet, dass es eine vom Brett getrennte Zunge (36, 45) umfasst, die auf einer Seite der beiden ihrer gesamten Oberfläche nach mit dem Brett verbundenen Zungen angeordnet ist.
  13. Gleitbrett nach einem der Ansprüche 11 und 12,
    dadurch gekennzeichnet, dass die Endbereiche der mit dem Brett verbundenen Zungen und der vom Brett getrennte Zunge gemeinsam sind.
  14. Gleitbrett nach einem der Ansprüche 11 und 12,
    dadurch gekennzeichnet, dass die mit dem Brett verbundenen Zungen und die vom Brett getrennte Zunge (50) einen gemeinsamen geklebten Endbereich haben, während der andere geklebte Endbereich (52) für die mit der Platte verbundenen Zungen einerseits und für die von der Platte getrennte Zunge andererseits verschieden ist.
  15. Gleitbrett nach einem der Ansprüche 1 bis 14,
    dadurch gekennzeichnet, dass auf der vom Ski abgewandten Oberfläche der vom Brett (2) getrennten Zunge (18), eine Schicht (40) aus viskoelastischem Material befestigt ist, auf deren anderen Seite eine Befestigungsplatte (42) befestigt ist.
EP96420262A 1995-08-02 1996-08-01 Schwingungsdämpfungsvorrichtung für Snowboards Expired - Lifetime EP0761260B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9509627A FR2737417B1 (fr) 1995-08-02 1995-08-02 Dispositif amortisseur de vibrations pour planche de glisse sur neige
FR9509627 1995-08-02

Publications (2)

Publication Number Publication Date
EP0761260A1 EP0761260A1 (de) 1997-03-12
EP0761260B1 true EP0761260B1 (de) 2003-02-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP96420262A Expired - Lifetime EP0761260B1 (de) 1995-08-02 1996-08-01 Schwingungsdämpfungsvorrichtung für Snowboards

Country Status (5)

Country Link
US (1) US5915716A (de)
EP (1) EP0761260B1 (de)
AT (1) ATE233118T1 (de)
DE (1) DE69626348T2 (de)
FR (1) FR2737417B1 (de)

Families Citing this family (9)

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Publication number Priority date Publication date Assignee Title
US6267402B1 (en) * 1999-03-30 2001-07-31 Nitinol Technologies, Inc. Nitinol ski structures
FR2810557B1 (fr) 2000-06-27 2002-10-04 Rossignol Sa Dispositif destine a etre rapporte sur la face superieure d'une planche de glisse
FR2811903B1 (fr) * 2000-07-21 2003-02-07 Salomon Sa Planche munie d'un dispositif d'amortissement des vibrations
US7607679B2 (en) * 2004-11-23 2009-10-27 Anton F. Wilson Suspension system for a ski
WO2006088908A2 (en) * 2005-02-16 2006-08-24 Wilson Anton F Snowboards
US7467806B1 (en) * 2007-07-19 2008-12-23 D2 Investments, Llc Lightweight ski stability system
WO2016068498A1 (ko) * 2014-10-30 2016-05-06 주식회사 경동스포츠 텐션조절기능을 갖는 스노우보드
US9950242B2 (en) 2015-06-19 2018-04-24 Anton F. Wilson Automatically adaptive ski
WO2023035062A1 (en) * 2021-09-08 2023-03-16 Socpra Sciences Et Genie S.E.C. A ski having a stabilizing section, a pair of skis and a stabilization device

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Publication number Priority date Publication date Assignee Title
FR2602979B1 (fr) * 1986-08-20 1990-09-21 Salomon Sa Dispositif amortisseur de chocs et vibrations entre un ski et la fixation de la chaussure
DE3628476C2 (de) * 1986-08-22 1995-11-02 Head Sport Ag Ski mit Härteausgleichselementen und Härteregulierungselementen
DE3840553A1 (de) * 1988-12-01 1990-06-07 Blizzard Gmbh Ski mit einem daempfungselement
FR2643431B1 (fr) * 1989-02-20 1994-04-01 Rossignol Sa Skis Dispositif amortisseur comprenant des materiaux visco-elastiques
EP0490044A1 (de) * 1990-12-14 1992-06-17 Salomon S.A. Wintersportski bestehend aus einer Versteifung und einer Basis
FR2675392B1 (fr) * 1991-04-22 1995-06-23 Salomon Sa Dispositif d'amortissement pour ski.
FR2678517B1 (fr) * 1991-07-04 1993-10-15 Salomon Sa Perfectionnement pour dispositif d'amortissement pour ski.
US5284357A (en) * 1991-11-01 1994-02-08 Tinkler Michael R Apparatus and method for damping deflections and vibrations in skis
FR2694205B1 (fr) * 1992-07-31 1994-09-23 Salomon Sa Perfectionnement pour dispositif d'amortissement pour ski.
FR2701215B1 (fr) * 1993-02-05 1995-04-14 Salomon Sa Perfectionnement pour dispositif d'amortissement pour ski et ski équipé d'un tel dispositif.
FR2704440B1 (fr) * 1993-04-30 1995-07-28 Salomon Sa Planche de glisse, notamment surf de neige.
FR2709072B1 (fr) * 1993-08-20 1995-10-27 Salomon Sa Ski perfectionné muni de transmetteurs élastiques de longueur variable de part et d'autre de la zone de fixation.
FR2709974B1 (fr) * 1993-09-17 1995-10-20 Rossignol Sa Dispositif de montage d'une chaussure sur un ski alpin.
FR2713499B1 (fr) * 1993-12-07 1996-01-19 Rossignol Sa Plaque pour le montage sur un ski alpin d'une fixation pour chaussure.

Also Published As

Publication number Publication date
ATE233118T1 (de) 2003-03-15
US5915716A (en) 1999-06-29
FR2737417B1 (fr) 1997-08-29
FR2737417A1 (fr) 1997-02-07
DE69626348D1 (de) 2003-04-03
EP0761260A1 (de) 1997-03-12
DE69626348T2 (de) 2003-09-18

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