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EP0765679B1 - Langlaufski, insbesondere geeignet für das Üben des Skatings - Google Patents

Langlaufski, insbesondere geeignet für das Üben des Skatings Download PDF

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Publication number
EP0765679B1
EP0765679B1 EP96420303A EP96420303A EP0765679B1 EP 0765679 B1 EP0765679 B1 EP 0765679B1 EP 96420303 A EP96420303 A EP 96420303A EP 96420303 A EP96420303 A EP 96420303A EP 0765679 B1 EP0765679 B1 EP 0765679B1
Authority
EP
European Patent Office
Prior art keywords
ski
reinforcement element
cross
upper wall
country
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
EP96420303A
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English (en)
French (fr)
Other versions
EP0765679A1 (de
Inventor
Gilles Marmonier
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 EP0765679A1 publication Critical patent/EP0765679A1/de
Application granted granted Critical
Publication of EP0765679B1 publication Critical patent/EP0765679B1/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
    • A63C5/04—Structure of the surface thereof
    • A63C5/0405—Shape thereof when projected on a plane, e.g. sidecut, camber, rocker
    • A63C5/0411—Shape thereof when projected on a plane, e.g. sidecut, camber, rocker asymmetric
    • 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
    • A63C5/003—Structure, covering or decoration of the upper ski surface
    • 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
    • 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
    • A63C9/003—Non-swivel sole plate fixed on the ski

Definitions

  • the present invention relates to cross-country skiing, in particular for the practice of skating.
  • the terms interior and exterior are defined in taking into account a pair of skis, the inner term being used for part of the ski located directly opposite the other ski, while the external term is used to designate the part located on the opposite side.
  • the oldest and most traditional technique is that of the alternative step, in which the two skis are moved alternately in two parallel tracks made in the track.
  • the second technique is that of the step of the skater, more generally referred to as skating.
  • the skier evolves by building successively on the snow on each of its two skis, and making them diverge forward. Movement performed each time a ski is pressed on the snow and broken down into four successive phases: a first phase in which skiing takes support on snow in an area located on the outside of the ski and at the back of the binding, a phase of sliding flat on the snow, a phase impulse on an area located on the inside and in front of the binding, and a final phase during which the ski leaves the snow before regain support in accordance with the first phase.
  • a cross-country ski has a front end called a tip, a rear end called heel and a central part or skate area the upper face of which is intended to receive a fixing for a shoe.
  • the inner side of the ski consists of a side wall arranged when a pair of skis is in use, facing the wall corresponding side of the other ski, and an outer side constituted by the second side wall of the ski.
  • a cross-country ski comprises a set lower composed of a sole bordered by edges, possibly a reinforcing element, and an upper assembly composed of at least one filler core, an upper wall and side walls, and possibly a reinforcing element.
  • the object of the invention is to provide a cross-country ski having excellent efficiency taking into account successive support phases on the snow when skating, without requiring a too expensive manufacturing of the entire ski.
  • the ski which it concerns, of the aforementioned type comprises, in the central part or skate area of the ski, an element of rigid reinforcement with an upper wall, located above of the upper wall of the ski, either resting thereon, or integrated in a recessed area of this wall, or finally integrated into the structure by locally replacing the upper wall, and two walls side pressed against the two side faces of the ski or integrated in these faces and bearing on the lower assembly of the ski, or constituting themselves the lower edges in the areas where they are located, the two side walls of the reinforcing element being offset longitudinally relative to each other, the one located on the outside of the ski being shifted backwards while that located on the inside of the ski is offset forward relative to the upper wall of the element reinforcement.
  • Ski support on snow during the first phase of the skating technique is done on the outside and at the back of the fixation, whereas, during the pulse corresponding to the third phase, these supports are made on the inside and, at the front of the binding, these supports follow an inclined direction relative to the longitudinal axis of the ski. They are thus produced in areas where the rigid element of enhancement.
  • This reinforcing element improves efficiency by avoiding a twist of the ski in the central area thereof, while allowing keep, for the rest of the ski, a traditional structure ensuring the flexibility desired to take into account the required performance and also comfort for the user.
  • the wall of the reinforcing element has a general shape rectangular of width substantially equal to that of the ski and of length substantially corresponding to that of the shoe, and in that the side walls of the reinforcing element each extend over at less part of the length of the upper wall and include, for the side wall located on the outside of the ski, an extension towards the rear and for the side wall located on the inside of the ski, a forward extension.
  • the upper wall of the element reinforcement is intended to be equipped, at its front end, with the shoe fixing stop, or part of this stop.
  • the wall of the reinforcing element is in the form of a band inclined with respect to the longitudinal axis of the ski, extending from the outer side of the ski, in the area corresponding to the heel support of the boot, towards the inside of the ski, in the area corresponding to the support of the front part of the shoe.
  • the side walls of the element reinforcement extending from the edges of the upper wall, have respectively rearward extensions for the wall side located on the outside of the ski and forward for the side wall located on the inside of the ski.
  • the extensions of the side walls of the element of reinforcement have heights that decrease from the area central of the ski towards the extremities thereof.
  • the reinforcing element can be constituted for example by a light metal alloy plate, such as an alloy known as Zicral brand, or be made of a composite material based on fibers and resin.
  • the reinforcing fibers are inclined relative to the longitudinal axis of the ski, that is to say mainly oriented at the top wall, rear to front and outside side towards the inside side of the ski. This allows you to benefit from maximum resistance in the oblique direction in which the efforts during the different phases of skating.
  • the upper wall of the reinforcing element can be placed above the upper face of the ski, in contact with this face or away from it, or embedded in a recessed area that includes the upper surface of the ski, or integrated into the structure of the ski, by locally replacing the upper wall thereof.
  • the side walls of the reinforcing element can be arranged outside the side faces of the ski or integrated into the structure of the ski, locally replacing the side faces thereof.
  • the side walls of the reinforcing element can be linked to the side faces of the ski, and the upper wall of the element reinforcement can be linked to the upper face of the ski, these connections obtainable by known means such as gluing, screwing, riveting or welding, bonding being carried out for example by through a visco-elastic film.
  • FIG. 1 represents a cross-country ski 2 for the left leg, having a central part or pad area 3, a front end raised 4, called a spatula, and a thinner and slightly tapered rear end raised 5, called heel.
  • This ski comprises, as shown in particular in the Figure 4, a lower assembly consisting of a sole 6 bordered by edges 7, and possibly comprising a reinforcing element, not shown, and an upper assembly composed of at least one filling core 8, a not shown reinforcement element, an upper wall 9 and side walls 10a and 10b, the side wall 10a corresponding to the side inside, i.e. at the wall located directly opposite the wall corresponding to the other ski of the same pair, while the wall lateral 10b corresponds to the external side.
  • the ski 2 is equipped, in its central part, a rigid reinforcement element 12, comprising an upper wall 13, and two side walls 14a and 14b pressed against the two walls side 10a and 10b.
  • the connection between the reinforcement element and the ski is produced by a film 11 of visco-elastic material.
  • the bottom edges of the two side walls 14a and 14b bear on the upper face lower edges 7 of the ski.
  • the ski edges could be interrupted at this level and the edges lower side faces could then themselves constitute the lower edges of the ski in the areas where they are located.
  • Wall upper 13 of the reinforcing element 12 can bear on the upper wall 9 of the ski according to FIG. 4, or be integrated into this wall, as shown in FIG. 5.
  • the upper face 9 of the ski has a recess 9a on the side of the core 8, allowing the embedding of the upper wall 13 of the reinforcing element 12.
  • the upper wall 13 of the reinforcing element is located above the upper face 9 skiing, without resting on it.
  • FIGS 7 and 8 show another embodiment of a ski, in which the same elements are designated by the same references than before.
  • the upper wall 13 and the side walls 14a, 14b of the reinforcing element are integrated in the structure of the ski, in contact with the core 8 or reinforcements covering it, and locally replace the upper face 9 and the side faces 10a, 10b of skiing.
  • the upper wall 13 of the reinforcing element has a shape general rectangular, of width substantially equal to that of the ski and length substantially corresponding to that of the shoe.
  • Wall upper 13 of the reinforcing member is in this case like shown in Figure 3, equipped with the attachment 15 of the skier's boot.
  • the side walls 14a and 14b which extend the wall upper 13, respectively have an extension 16a towards the front, for the side wall 14a located on the inside, and a extension 16b towards the rear, for the side wall 14b located on the side outside the ski.
  • the respective heights of the two extensions 16a and 16b decrease towards the corresponding ends of the ski, that is to say towards the tip 4 for the extension 16a and the heel 5 for the extension 16b.
  • Figures 9 and 10 show an alternative embodiment of this ski in which the upper wall 23 of the reinforcing element is present in the form of an inclined strip at an angle a with respect to the longitudinal axis of the ski extending from the outer side of the ski, in the area corresponding to the support of the heel of the shoe, to the side inside the ski, in the zone corresponding to the support of the front part of the shoe.
  • From the inclined strip 23, forming the upper wall extend two side walls 24a and 24b, provided with extensions 26a and 26b.
  • the element reinforcement should be rigid and preferably light, and is for this purpose made, for example, of a light metal alloy plate, such as Zicral, or a composite material based on reinforcing fibers and resin.
  • the reinforcing fibers 27 can be tilted with respect to the longitudinal axis of the ski, i.e. mainly oriented in the same direction as strip 23, back to front and from the outside to the inside of the ski.
  • the invention provides a great improvement to existing technique by providing cross-country skiing simple design, the structure of which is perfectly adapted to the practice of the skating technique.
  • the invention is not limited to only embodiments of this ski described above by way of example, it on the contrary embraces all variants. This is how in particular some of the features described as part of a combination could be used in other combinations without that we therefore go beyond the scope of the invention.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Silicon Polymers (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Claims (16)

  1. Langlaufski, besonders für die Skating-Technik, der ein vorderes, Spatel genanntes Ende (4), ein hinteres, Ferse genanntes Ende und einen mittleren Teil (3) oder eine Schuhzone für die Aufnahme einer Bindung für einen Schuh umfasst, wobei eine durch eine Seitenwand (10a) gebildete Innenseite während des Gebrauchs eines Paars Skier gegenüber der entsprechenden Seitenwand (10b) des anderen Skis angeordnet ist und eine Außenseite durch die zweite Seitenwand des Skis gebildet wird, und der aus einer unteren Anordnung aus einer mit Kanten (7) eingefassten Sohle (6) und gegebenenfalls einem Verstärkungselement und aus einer oberen Anordnung aus mindestens einem Füllungskern (8), einer oberen Wand (9) und Seitenwänden (10a, 10b) und gegebenenfalls einem Verstärkungselement besteht, dadurch gekennzeichnet, dass er im mittleren Teil oder der Schuhzone des Skis ein steifes Verstärkungselement (12) umfasst, das eine obere Wand (13, 23), die entweder über der oberen Wand (9) des Skis angeordnet ist oder auf dieser ruht oder in eine Ausnehmungszone dieser Wand integriert ist oder aber in die Struktur integriert ist und örtlich die obere Wand ersetzt, und zwei Seitenwände (14a, 14b; 24a, 24b) aufweist, die die beiden Seitenflächen (10a, 10b) des Skis überfangen oder in diese Flächen integriert sind und sich auf der unteren Anordnung des Skis abstützen oder in den Zonen, in denen sie sich befinden, selbst die unteren Kanten bilden, wobei die beiden Seitenwände (14a, 24a, 14b, 24b) des Verstärkungselements in Längsrichtung zueinander versetzt sind, wobei die sich an der Außenseite des Skis befindende Seitenwand (14b, 24b) nach hinten versetzt ist, während die sich an der Innenseite des Skis befindende Seitenwand (14a, 24a) nach vorne versetzt ist, und zwar bezüglich der oberen Wand (13, 23) des Verstärkungselements.
  2. Langlaufski nach Anspruch 1, dadurch gekennzeichnet, dass die obere Wand (13) des Verstärkungselements (12) eine allgemein rechteckige Form aufweist, die im Wesentlichen genauso breit wie der Ski ist und deren Länge im Wesentlichen der des Schuhs entspricht, und dass sich die Seitenwände (14a, 14b) des Verstärkungselements jeweils über mindestens einen Teil der Länge der oberen Wand erstrecken und für die sich an der Außenseite des Skis befindende Seitenwand (14b) eine Verlängerung (16b) nach hinten und für die sich an der Innenseite des Skis befindende Seitenwand (14a) eine Verlängerung (16a) nach vorne umfassen.
  3. Langlaufski nach Anspruch 1, dadurch gekennzeichnet, dass die obere Wand (13) des Verstärkungselements (12) an ihrem vorderen Ende mit dem Bindungsanschlag (15) des Schuhs oder einem Teil dieses Anschlags versehen werden soll.
  4. Langlaufski nach Anspruch 1, dadurch gekennzeichnet, dass die obere Wand des Verstärkungselements die Form eines bezüglich der Längsachse (30) des Skis geneigten Bandes (23) hat, das sich von der Außenseite des Skis in der der Fersenabstützung des Schuhs entsprechenden Zone zur Innenseite des Skis in der der Abstützung des vorderen Teils des Schuhs entsprechenden Zone erstreckt.
  5. Langlaufski nach Anspruch 4, dadurch gekennzeichnet, dass die sich von den Rändern der oberen Wand aus erstreckenden Seitenwände (24a, 24b) des Verstärkungselements eine Verlängerung (26b) nach hinten für die sich an der Außenseite des Skis befindende Seitenwand (24b) und eine Verlängerung (26a) nach vorne für die sich an der Innenseite des Skis befindende Seitenwand (24a) umfassen.
  6. Langlaufski nach Anspruch 2 oder 5, dadurch gekennzeichnet, dass die Höhe der Verlängerungen (16a, 16b; 26a, 26b) der Seitenwände des Verstärkungselements von der mittleren Zone des Skis zu dessen Enden hin abnimmt.
  7. Langlaufski nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Verstärkungselement (12) aus einer Platte aus einer Leichtmetalllegierung wie Zicral besteht.
  8. Langlaufski nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Verstärkungselement (12) aus einem Verbundmaterial auf der Grundlage von Verstärkungsfasern und Harz gefertigt ist, wobei die Verstärkungsfasern bezüglich der Längsachse des Skis geneigt sind, das heißt an der oberen Wand vorwiegend von hinten nach vorne und von der Außenseite zur Innenseite des Skis gerichtet sind.
  9. Langlaufski nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die obere Wand des Verstärkungselements über der Oberseite des Skis in Berührung mit dieser Seite oder davon beabstandet angeordnet ist.
  10. Langlaufski nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die obere Wand des Verstärkungselements in einer Ausnehmungszone, die die obere Wand des Skis aufweist, eingelassen ist.
  11. Langlaufski nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die obere Wand des Verstärkungselements in die Struktur des Skis integriert ist und örtlich dessen obere Wand ersetzt.
  12. Langlaufski nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass die Seitenwände des Verstärkungselements außen an den Seitenflächen des Skis angeordnet sind.
  13. Langlaufski nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass die Seitenwände des Verstärkungselements in die Struktur des Skis integriert sind und örtlich dessen Seitenflächen ersetzen.
  14. Langlaufski nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, dass die obere Wand (13, 23) des Verstärkungselements besonders durch Kleben, Verschrauben, Vernieten oder Verschweißen mit dem Ski verbunden ist.
  15. Langlaufski nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass die Seitenwände (14a, 14b; 24a, 24b) des Verstärkungselements besonders durch Kleben, Verschrauben, Vernieten oder Verschweißen mit dem Ski verbunden sind.
  16. Langlaufski nach Anspruch 14 oder 15, dadurch gekennzeichnet, dass das Verstärkungselement mittels eines viskoelastischen Films mit dem Ski verklebt ist.
EP96420303A 1995-09-29 1996-09-25 Langlaufski, insbesondere geeignet für das Üben des Skatings Expired - Lifetime EP0765679B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9511684 1995-09-29
FR9511684A FR2739300B1 (fr) 1995-09-29 1995-09-29 Ski de fond, notamment pour la pratique du skating

Publications (2)

Publication Number Publication Date
EP0765679A1 EP0765679A1 (de) 1997-04-02
EP0765679B1 true EP0765679B1 (de) 2001-11-21

Family

ID=9483244

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96420303A Expired - Lifetime EP0765679B1 (de) 1995-09-29 1996-09-25 Langlaufski, insbesondere geeignet für das Üben des Skatings

Country Status (4)

Country Link
EP (1) EP0765679B1 (de)
AT (1) ATE209059T1 (de)
DE (1) DE69617154T2 (de)
FR (1) FR2739300B1 (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1282053A (fr) * 1960-12-06 1962-01-19 Skis composites
US4300786A (en) * 1979-12-19 1981-11-17 Johnson Wax Associates Snow ski with adjustable camber
DD242176B1 (de) * 1985-11-08 1990-04-25 Sportgeraete Veb K Ski
DD242178B1 (de) * 1985-11-08 1989-12-27 Sportgeraete Veb K Kunststoffski
FR2660385A1 (fr) * 1990-04-03 1991-10-04 Rossignol Sa Poutre equipee d'un dispositif d'amortissement progressif de vibrations.
FR2684011B1 (fr) * 1991-11-25 1994-01-07 Rossignol Sa Skis Planche de glisse pourvue d'un dispositif d'amortissement des vibrations.

Also Published As

Publication number Publication date
DE69617154D1 (de) 2002-01-03
FR2739300B1 (fr) 1997-11-21
FR2739300A1 (fr) 1997-04-04
ATE209059T1 (de) 2001-12-15
DE69617154T2 (de) 2002-04-18
EP0765679A1 (de) 1997-04-02

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