EP1092454B1 - Schneegleitbrett - Google Patents

Schneegleitbrett

Info

Publication number
EP1092454B1
EP1092454B1 EP00420205A EP00420205A EP1092454B1 EP 1092454 B1 EP1092454 B1 EP 1092454B1 EP 00420205 A EP00420205 A EP 00420205A EP 00420205 A EP00420205 A EP 00420205A EP 1092454 B1 EP1092454 B1 EP 1092454B1
Authority
EP
European Patent Office
Prior art keywords
board
arms
arm
board according
plate
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
EP00420205A
Other languages
English (en)
French (fr)
Other versions
EP1092454A1 (de
Inventor
Eric Restani
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 EP1092454A1 publication Critical patent/EP1092454A1/de
Application granted granted Critical
Publication of EP1092454B1 publication Critical patent/EP1092454B1/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
    • A63C5/07—Skis or snowboards with special devices thereon, e.g. steering devices comprising means for adjusting stiffness

Definitions

  • the invention relates to the field of snow sliding sports practiced by means of at least one board, such as downhill skiing, cross-country skiing, surfing and their derivatives. More specifically, it aims at a new structure incorporating internal reinforcements intended to serve as a stiffener, and to improve the transmission of the efforts of the skier's foot towards the edges.
  • the mechanical structure of the board makes the pressure on the snow is different from one point to another of the length of the ski.
  • the pressure is generally maximum at the level of the slipper zone, and more particularly at the base of the binding.
  • the pressure is lower, but nevertheless existing at the level of the front and rear contact lines, corresponding to the limits of the contact surface between the sole and the snow.
  • This lack of attachment may result in difficulty in driving the ski and a lack of precision in the trajectories.
  • One of the objectives of the invention is to allow optimum attachment throughout the length of the ski so as to improve the driving accuracy.
  • document FR 2 779 658 discloses a means for reinforcing a gliding board designed to increase its service life.
  • This particular means consists of a longitudinal blade traversing the core in its height.
  • Document DE 29616670U describes a ski including stiffeners in the form of internal bars passing through the core and whose apex is located in the zone of the pad. When applying a force, it is transmitted by the stiffeners when the ski is deformed.
  • the problem that the invention proposes to solve is the effective transmission of the support exerted by the skier towards the sole of the board, so that the entire length of the edge suffers sufficient pressure to ensure an optimal grip on the snow.
  • Such a board is characterized in that it comprises a plate situated at the level of the slipper zone, said slab comprising at least one layer of elastic or viscoelastic material disposed at least on its lower face, and able to move towards the slipper zone.
  • lower assembly under the effect of a pressure exerted by the foot of the user, and at least one rigid longitudinal arm, housed inside the structure of the board, passing through at least a large part of the thickness of the core, the end of the arm furthest from the pad zone bearing on the lower face of the core, on the lower assembly of the board, the end of the arm closest to the pad area bearing under the plate, near the feet of the user, so that the forces exerted by the user on the upper surface of the board at the pad area of the board are directly transmitted to the bottom surface of the plane by the end of the arm pointing towards the lower set of the board.
  • the invention consists in equipping the board with a rigid element intended to serve as a transmission element from the attachment mounting area to the direction of the zones in which the pressure is minimum, on traditional boards.
  • the characteristic arm provides a direct mechanical continuity between the plate located at the shoe zone on which the attachment is installed, and the front and / or rear zones of the sole of the board.
  • the arms can be embedded inside the core, or even completely through the core, so its upper and lower surfaces.
  • each arm comprises, at least at one of its ends, a support pad for distributing the forces transmitted by the arm.
  • the arm may be equipped with an element intended to improve the capture of the forces exerted by the skier, and may also be equipped with an element located at the lower end of the arm, intended to distribute the forces transmitted by the arm on an area greater than that of the section of the arms proper.
  • the board according to the invention may comprise an arm located at the front of the pad area, and oriented in the longitudinal axis of the board, said arm being equipped at its end furthest from the shoe area, a transverse buffer for distributing the forces transmitted by the arm on a substantial part of the width of the board.
  • the characteristic arm and pad have a general T-shape, whose bar rests on the sole or more generally on the lower assembly, while the foot of the T comes close to the zone. ski skate.
  • the board may comprise a second arm of similar geometry located at the rear of the pad area.
  • the board may comprise two substantially parallel arms, located at the front of the pad area, each arm being positioned on each edge of the board.
  • the mechanical transmission is differentiated according to whether the supports are exerted on the inner or outer edge, which makes the support more effective on the edge concerned.
  • the board may comprise a second pair of parallel arms, shifted transversely and located at the rear of the pad area.
  • the plate is located either above the upper assembly of the board, or inside a housing provided for this purpose in the upper assembly of the board.
  • the plate may also be located between the upper assembly and the core, or still inside the core, flush with the upper part, or completely embedded therein.
  • the rigid plate may comprise at least one layer of viscoelastic or elastic material, disposed on one of its faces, so as to allow displacement by crushing of the elastic layer.
  • the arms located at the front and at the rear may be part of a single piece extending under the plate.
  • the arms form a gantry consisting of two front and rear portions resting on the lower assembly and a central portion in the form of a bridge on which the rigid plate rests.
  • the rigid plate moves downward by pressing on the bridge, which has the effect of directing this force on each of the arms, forwards and backwards.
  • the two arms located at the front and / or rear can cross, so as to stiffen in torsion the board in very localized areas.
  • the arms may be covered with a layer of elastic or visco elastic material giving them a certain ability to move relative to the core through which they pass.
  • the arms can also be housed inside ducts to allow sliding.
  • the arms may have an axis of revolution giving them isotropic mechanical properties, identical in any direction oriented perpendicular to the direction of the arm.
  • the arms have anisotropic mechanical properties conferred by a section whose geometry favors the mechanical strength in a particular direction.
  • the arm has a significant resistance to the forces transmitted perpendicular to the gliding sole, but does not penalize the lateral deformation of the board because it does not exert significant resistance in these directions parallel to the gliding sole and perpendicular to the longitudinal axis of the board.
  • the arms can be made of a variety of materials such as metal tubes, aluminum alloy or others, rigid steel rods, or even fiberglass or carbon fiber ropes, metal profiles or composite material, or even glass, carbon or aramid fibers.
  • the invention relates to a gliding board which has in its internal structure arms for transmitting the forces from the pad area towards the front and / or rear areas, at the sole.
  • a ski (1) comprises, in a known manner, a pad area (2) substantially corresponding to the narrowest zone of the ski.
  • This pad zone (2) is extended at the rear by a heel zone (3), and at the front, by a spatula zone (4).
  • Such a board comprises, in known manner, an upper assembly (6) consisting of the upper protective layer (7) forming a support for the decoration as well as an upper reinforcement (8), generally made of fabric coated fiberglass.
  • a ski also comprises, in known manner, a lower assembly (10) including the gliding sole (11) proper forming the lower face of the ski, and laterally edged by metal edges (12).
  • This lower assembly (10) optionally comprises a lower reinforcement (13), most often also made of coated fiberglass fabric.
  • the ski comprises between the upper assembly (6) and the lower assembly (10), an injected polyurethane core (15), laterally bordered by edges (16) that can be fitted all or part of the height of the board.
  • the internal structure of the board comprises one or more arms (20-23) intended to transmit the forces exerted by the skier, from the upper face (9) of the ski at the level of the pad (2), up to to the sole (11) of the ski, at the level of the spatula and / or heel zones.
  • the ski comprises two pairs (20, 21; 22, 23) of arms and an inner plate (25). More specifically, a first pair of two parallel arms (20, 21) is disposed in front of the pad region (2). Each of the arms (20, 21) of the front pair has its rear end (30, 31) coming into contact with the inner plate (25).
  • the inner plate (25) is covered on its upper and lower faces with an elastic band (27, 28) for allowing a slight relative movement of the plate (25) in the vertical direction.
  • These elastic bands (27, 28) have a thickness of 0.1 to 3 millimeters.
  • a core is first made in the following manner: the inner plate (25) is placed in the mold for manufacturing the core with the various arms (20, 21; 23). Then, after closure of this mold, the polyurethane is injected to form the core (15) thus including, embedded in its structure, the plate (25) and the arms (20 - 23). This core is then placed, conventionally, in the manufacturing mold of the board, between the lower (10) and upper (6).
  • the elastic band (27) disposed above the inner plate (25) comes directly into contact with the upper reinforcing layer (8), so as to receive the forces exerted by the skier through the only thickness of the upper assembly (6).
  • the two arms (20, 21) of the front pair are equipped in their front end with pads or buffer elements (40, 41) for distributing the forces transmitted by the arms (20, 21) at an area much greater than the section of the arms (20, 21), so as to prevent these arms (20, 21) from damaging the lower reinforcing element (13) of the lower assembly (10).
  • the buffers or front ends (40, 41) of the front arms (20, 21) are disposed about 100 millimeters from the front contact line, in the area where the load is minimal on a traditional board.
  • the board according to the invention can be equipped with a second pair of arms (22, 23), disposed at the rear of the pad area (2), and also cooperating with the internal plate (25) at their ends (32, 33).
  • the precise orientation of the arms (20-23) can be more or less adapted according to the geometry of the ski proper.
  • the two arms may come exactly in line with the edges (12), and adopt a slightly divergent geometry.
  • the inner plate (25) housed in the upper part of the core (15) receives, through the upper assembly (6), the screws (36) mounting the fastener.
  • the pressure exerted on the edges (12) is relatively uniform, and in any case relatively distributed over the length of the edge, which allows a good registration in the turn, and a driving precision.
  • the plate (45) receiving the efforts of the skier is above the upper face (9) of the ski.
  • the characteristic arm (46) passes through the upper assembly (6) of the ski to come into contact with the plate (45).
  • the characteristic plate (45) which is apparent.
  • This plate rests on an elastic band (47) itself in contact with the upper face (9) of the ski.
  • the deformation capacity of this elastic band (47) allows the plate (45) to move in a vertical direction, and to exert stress on the characteristic arm (46).
  • the board comprises a pair of characteristic arms (50), arranged on each side of the board, each extending from the front to the rear thereof, and making a bridge (52) at the plate (53).
  • the bearing forces on the plate (53) are then decomposed into two forces directed towards the ends and distributed by the buffers at the front (54) and at the rear (55).
  • FIG. 6 illustrate alternative embodiments of the plates and characteristic arms.
  • the plate (60) of FIG. 6 cooperates at its front (61) and rear (62) ends with a central arm (63, 64) arranged in the longitudinal axis of the ski, and which has at its end front (65) (or rear (66) for the rear arm), a transverse bar (67) intended to exert a support on the near width of the sole at the level where this bar is disposed.
  • the pressure on the edges is almost identical to the level of the outer and inner edges.
  • FIG. 7 illustrates an embodiment in which the ski comprises two pairs of arms (71, 72, 73, 74) arranged at the front and at the rear of the characteristic plate (70).
  • the arms are associated, at their opposite end to the plate (70), by a transverse bar (75, 76) to ensure, like the bar (67) of Figure 6 , a support on a substantial part of the width of the sole.
  • front and rear arms can be connected to form a single arm extending below the plate.
  • Figure 8 illustrates another embodiment in which the board has two pairs of arms (81-84) located at the front and rear of the plate (80). Within each pair, the arms are arranged so as to cross-stiffen the front and rear areas of the board.
  • This embodiment is more particularly suitable for sliding boards of great width whose structure is not sufficiently rigid torsion.
  • the cross arrangement of the arms more particularly allows torsional stiffness reinforcement.
  • the arm (20) can be placed inside a tube (29) in which it can slide, so as to limit the friction between the arm (20) itself and the structure of the core (15).
  • the arm (20) may also be coated with a plastic material forming a sheath and able to deform during the slight movement of the arm inside the core.
  • This material may be an elastomeric adhesive.
  • the invention also finds application in the structure of snowboards.
  • the surf has two plate-arm assemblies, the arms being oriented in a slightly divergent manner, in the direction of the lateral edges.
  • the board structure according to the invention has many advantages, and in particular the possibility of distributing the pressure exerted by the skier over an appreciable length of the edge, and in a relatively uniform manner or a localized strengthening of this board.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Vibration Prevention Devices (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Bridges Or Land Bridges (AREA)
  • Laminated Bodies (AREA)
  • Rotary Pumps (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Claims (16)

  1. Gleitbrett (1) mit einer Standzone (2), die dazu bestimmt ist, den Fuß oder die Füße des Benutzers aufzunehmen und nach vorn durch eine vordere Zone (4) und nach hinten durch eine hintere Zone (3) verlängert ist und deren Struktur folgendes umfaßt:
    - eine untere Anordnung (10), welche den Gleitbelag (11), die Kanten (12) und gegebenenfalls eine untere Verstärkung (13) umfaßt;
    - eine obere Anordnung (6), welche die obere Schutzschicht (7) und eine obere Verstärkung (8) umfaßt;
    - einen mittleren Kern (15), der zwischen die untere Anordnung (10) und die obere Anordnung (6) gefügt ist;
    dadurch gekennzeichnet, daß es eine Platte (25) aufweist, welche im Bereich der Standzone angeordnet ist, wobei die genannte Platte (25) mindestens eine Schicht (28) aus elastischem oder viskoelastischem Material aufweist, die mindestens auf ihrer Unterseite angeordnet und dazu geeignet ist, sich in Richtung der unteren Anordnung (10) unter der Wirkung eines durch den Fuß des Benutzers aufgebrachten Drucks zu verlagern, und mindestens einen steifen Längsarm (20-23), der innerhalb der Struktur des Bretts aufgenommen ist, mindestens zum großen Teil der Dicke des Kerns (15) durchragt, wobei das Ende (40-43) des Arms, welches am weitesten von der Standzone entfernt ist, sich an der Unterseite des Kerns (15) auf der unteren Anordnung (10) des Bretts abstützt, wobei das Ende (30-33) des Arms, welches am nächsten zur Standzone liegt, sich unter der Platte (25) nahe den Füßen des Benutzers abstützt, so daß die durch den Benutzer auf die Oberseite (9) des Bretts im Bereich der Standzone (2) des Bretts ausgeübten Kräfte direkt zur Unterseite des Bretts durch das Ende des Arms (20-23) übertragen werden, welches in Richtung der unteren Anordnung (10) des Bretts ausgerichtet ist.
  2. Brett nach Anspruch 1, dadurch gekennzeichnet, daß der Arm (20-23) mindestens an einem seiner Enden einen Stützpuffer (40,43) aufweist, der dazu bestimmt ist, die durch den Arm (20-23) übertragenen Kräfte zu verteilen.
  3. Brett nach Anspruch 1, dadurch gekennzeichnet, daß es einen Arm (63) umfaßt, der vor der Standzone angeordnet ist und zur Längsachse des Bretts ausgerichtet ist, wobei der genannte Arm (63) an seinem Ende (65), welches am weitesten von der Standzone entfernt ist, einen Querpuffer (67) aufweist, der dazu bestimmt ist, die durch den Arm (63) übertragenen Kräfte über einen wesentlichen Teil der Breite des Bretts zu übertragen.
  4. Brett nach Anspruch 3, dadurch gekennzeichnet, daß es ferner einen zweiten Arm (64) umfaßt, der hinter der Standzone angeordnet ist und zur Längsachse des Bretts ausgerichtet ist, wobei der genannte zweite Arm (64) mit einem Querpuffer (67) versehen ist, der dazu bestimmt ist, die durch den Arm (64) übertragenen Kräfte über einen wesentlichen Teil der Breite des Bretts zu übertragen.
  5. Brett nach Anspruch 1, dadurch gekennzeichnet, daß es zwei im wesentlichen parallele Arme (20,21) umfaßt, die vor der Standzone angeordnet sind, wobei die zwei Arme quer zueinander versetzt sind.
  6. Brett nach Anspruch 5, dadurch gekennzeichnet, daß es ferner zwei Zusatzarme (22,23) umfaßt, wobei die zwei Zusatzarme zueinander parallel sind und in Querrichtung versetzt sind und hinter der Standzone (2) angeordnet sind.
  7. Brett nach Anspruch 1, dadurch gekennzeichnet, daß die Platte (45) oberhalb (9) der oberen Anordnung (6) des Bretts angeordnet ist.
  8. Brett nach Anspruch 1, dadurch gekennzeichnet, daß die Platte (25) in einer hierfür in dem Kern (15) des Bretts vorgesehenen Aufnahme (26) angeordnet ist.
  9. Brett nach Anspruch 1, dadurch gekennzeichnet, daß die Platte innerhalb des Kerns im oberen Teil angeordnet ist.
  10. Brett nach Anspruch 1, dadurch gekennzeichnet, daß die Platte (25) mindestens eine Schicht (27) aus elastischem oder viskoelastischem Material aufweist, die an ihrer Oberseite angeordnet ist, so daß eine Verlagerung der genannten Platte ermöglicht wird.
  11. Brett nach den Ansprüchen 1 und 4 oder 6, dadurch gekennzeichnet, daß die vorn und hinten angeordneten Arme (50) Bestandteil eines einzigen Bauteils (52) sind, das sich unterhalb der Platte (53) erstreckt.
  12. Brett nach Anspruch 1, dadurch gekennzeichnet, daß es zwei Arme (81,82) aufweist, die vor oder hinter der Standzone angeordnet sind, wobei die zwei Arme sich kreuzen.
  13. Brett nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die Arme von einer Schicht aus elastischem Material bedeckt sind, welche ihnen eine bestimmte Verlagerbarkeit in bezug auf den Kern verleiht.
  14. Brett nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die Arme innerhalb von Umhüllungen aufgenommen sind, um ihr Gleiten zu ermöglichen.
  15. Brett nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß die Arme eine rotationssymmetrische Form aufweisen.
  16. Brett nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß die Arme die Form eines Stabs mit rechteckigem Querschnitt aufweisen, dessen lange Seite rechtwinklig zum Gleitbelag verläuft.
EP00420205A 1999-10-14 2000-10-10 Schneegleitbrett Expired - Lifetime EP1092454B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9913052A FR2799659B1 (fr) 1999-10-14 1999-10-14 Planche de glisse
FR9913052 1999-10-14

Publications (2)

Publication Number Publication Date
EP1092454A1 EP1092454A1 (de) 2001-04-18
EP1092454B1 true EP1092454B1 (de) 2006-12-06

Family

ID=9551118

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00420205A Expired - Lifetime EP1092454B1 (de) 1999-10-14 2000-10-10 Schneegleitbrett

Country Status (5)

Country Link
US (1) US7021647B2 (de)
EP (1) EP1092454B1 (de)
AT (1) ATE347412T1 (de)
DE (1) DE60032202T2 (de)
FR (1) FR2799659B1 (de)

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DE10204330A1 (de) * 2002-02-01 2003-08-14 Innotec Ges Zur Entwicklung In Alpinski
DE10254063A1 (de) * 2002-11-19 2004-06-03 InnoTec Ges. zur Entwicklung innovativer Technologien Uwe Emig, Prof. Reinhold Geilsdörfer, Markus Gramlich GbR Alpinski
FR2865941B1 (fr) * 2004-02-10 2006-03-10 Rossignol Sa Ski de fond
JP2008520379A (ja) * 2004-11-23 2008-06-19 エフ． ウィルソン，アントン サスペンション付きスキー板
US7607679B2 (en) * 2004-11-23 2009-10-27 Anton F. Wilson Suspension system for a ski
US20060119055A1 (en) * 2004-12-03 2006-06-08 Xzist Technology, Llc. Adjustable span snowboard stability and dampening system
FR2881356B1 (fr) * 2005-01-31 2007-04-13 Salomon Sa Dispositif d'accueil d'un pied ou d'une chaussure sur un engin de sport
WO2006088908A2 (en) * 2005-02-16 2006-08-24 Wilson Anton F Snowboards
DE102007023863A1 (de) * 2006-07-18 2008-01-24 Marker Völkl International GmbH Trimmvorrichtung für Schneegleitbretter, insbesondere für Ski sowie Schneegleitbrett mit wenigstens einer derartigen Trimmvorrichtung
FR2926735B1 (fr) * 2008-01-25 2010-03-26 Salomon Sa Ski alpin avec moyens de reglage
FR2947182B1 (fr) * 2009-06-26 2011-09-09 Salomon Sas Planche de glisse
WO2011044067A1 (en) 2009-10-05 2011-04-14 Jacob Bender Foot binding devices
US8596667B1 (en) * 2011-03-24 2013-12-03 Michael Colaianni Ski with side wall cutouts
US9305120B2 (en) 2011-04-29 2016-04-05 Bryan Marc Failing Sports board configuration
US9950242B2 (en) 2015-06-19 2018-04-24 Anton F. Wilson Automatically adaptive ski

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FR2366034A1 (fr) 1975-06-20 1978-04-28 Rossignol Club Rossignol Sa Sk Ski et son procede de fabrication
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DE2736908A1 (de) * 1977-08-16 1979-03-01 Ernst Werner Guenzel Verstelleinrichtung fuer einen ski
US4293142A (en) * 1979-07-16 1981-10-06 K-2 Corporation Vibration damped ski
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FR2698794B1 (fr) * 1992-12-07 1995-01-13 Rossignol Sa Dispositif de renforcement d'un ski à noyau en matière synthétique injectée.
FR2703916B1 (fr) * 1993-04-16 1995-05-19 Rossignol Sa Ski comportant des chants et une coque supérieure.
AT405139B (de) * 1995-08-14 1999-05-25 Atomic Austria Gmbh Gleitgerät
DE29616670U1 (de) * 1996-09-27 1998-01-29 Hurth Peter Gleitkufe, insbesondere Ski oder Snowboard
FR2758730B1 (fr) * 1997-01-27 1999-02-26 Rossignol Sa Planche de glisse comportant une structure interne perfectionnee
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FR2779658B1 (fr) * 1998-06-15 2000-09-08 Salomon Sa Planche de glisse

Also Published As

Publication number Publication date
US20040046362A1 (en) 2004-03-11
FR2799659B1 (fr) 2002-01-11
FR2799659A1 (fr) 2001-04-20
US7021647B2 (en) 2006-04-04
EP1092454A1 (de) 2001-04-18
ATE347412T1 (de) 2006-12-15
DE60032202D1 (de) 2007-01-18
DE60032202T2 (de) 2007-03-29

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