EP1232774A1 - Gleibrett - Google Patents

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Publication number
EP1232774A1
EP1232774A1 EP02356020A EP02356020A EP1232774A1 EP 1232774 A1 EP1232774 A1 EP 1232774A1 EP 02356020 A EP02356020 A EP 02356020A EP 02356020 A EP02356020 A EP 02356020A EP 1232774 A1 EP1232774 A1 EP 1232774A1
Authority
EP
European Patent Office
Prior art keywords
board according
recess
gliding board
lateral
recesses
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.)
Granted
Application number
EP02356020A
Other languages
English (en)
French (fr)
Other versions
EP1232774B1 (de
Inventor
Henri-Charles Deborde
Alain Zanco
Milena Stefanova
Jacques Fagot
Michel Echevin
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 EP1232774A1 publication Critical patent/EP1232774A1/de
Application granted granted Critical
Publication of EP1232774B1 publication Critical patent/EP1232774B1/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

Definitions

  • the invention relates to the field of snow sliding sports, and more particularly in alpine skiing. It relates more specifically to alpine skis whose upper face at the level of the skate area is not completely flat, but on the contrary has lateral recesses, at the level of the upper edges.
  • an alpine ski in its skating area has at least one lower sliding surface composed of a sole bordered by edges metal. It also has an upper face substantially parallel to the lower sliding surface, on either side of the median longitudinal plane of the ski.
  • the structure includes elements of lateral reinforcements which form at least part of the lateral faces of the ski. These reinforcing elements are generally visible and form the edges ski over all or part of its thickness. These reinforcing elements are located directly above the edges, and more precisely of the part of the edges most thick which adjoins the gliding sole, also called "cord”. Thanks to these reinforcing elements, the supports exerted on the upper face of the ski are more effectively transmitted on the edges and therefore allow better attachment.
  • the structure in a second family, includes a section hull general trapezoid which connects one edge to another by covering the elements constitutive of the structure.
  • EP 0 744 196 has been described, corresponding to the document US 5,944,336 a gliding board having such a shell structure, and which also has recesses made at the side faces extending between the edges and the upper face of the ski.
  • the ski described in this document exhibits a setback of height between the central part of its upper face and the lateral zones. This recess forms a recess made above the edge.
  • This recess has a depth which is substantially constant over its entire length, so that it has a bottom substantially parallel to the gliding sole.
  • the objective of the invention is to provide a ski which has a geometry derived from that described above, and whose qualities of dynamic behavior are superior, especially with regard to the sequence of different phases of a turn.
  • this board is characterized in that the bottom of the recesses forms a slope inclined longitudinally with respect to the lower sliding surface and to the upper face.
  • the characteristic recesses form a hollow zone at the inside of the side faces which therefore have a reduced and variable height at level of these recesses.
  • the board therefore has a decrease at this level continues its thickness. This induces a variation of partial and local stiffness in the recess area. Therefore, the behavior of the board is modified according to the location of the point of application of the forces exerted by the skier, this location depending in particular strongly on the position that the skier adopts during the different phases of a turn.
  • the characteristic recesses can take different forms.
  • the lower part of the recesses that is to say their bottom, can be inclined either towards the front and the bottom of the ski, or towards the back and the bottom of the ski.
  • the inclination of the longitudinal section in the lateral face postpones the bearing pressure towards the front of the ski during the turn, since the partial stiffness of the ski is more important at the front than at the back of the recess. This therefore improves the driving the turn because the edge grip when starting the turn is more effective.
  • the inclined slope of the bottom of the recesses can also have various geometries.
  • the lower part of the recesses can have a slope which is either substantially constant over most of its length, or again variable over the length of the recess.
  • the inclined bottom of the recess can be either flat or curved.
  • the lateral faces include side areas which may include different materials, forward and inward back of the characteristic recess.
  • the choice of different materials allows give different mechanical properties to the areas directly in front and behind the characteristic recess.
  • one of the materials present in one of the lateral zones can be of viscoelastic nature, so as to give damping properties at the side area in question.
  • one of the materials present in the lateral zones can be elastic nature, so as to impart dynamizing properties to the area lateral in question.
  • the slots may have a V or Y profile, or a profile rectangular, or even a combination of these different geometries.
  • one localizes the zone having damping properties either at the front or at the rear of the recess, and the area with dynamic properties either at the rear or at the front of the recess.
  • the characteristic recesses may have a width, measured transversely to the board, which is variable over the length of the recess. We can thus optimize the variation of partial stiffness of the board.
  • the gliding board can include several recesses made on the same side of the board. These recesses, 2 in number or 3, may have inclinations oriented in the same direction, or in a preferred shape in opposite directions.
  • the board has two recesses on each side.
  • the recess at the front presents a tilt downward and forward.
  • the recess at the back presents as for an inclination oriented upwards and forwards (or so backwards and downwards).
  • Such a board can in particular be equipped with a platform raising of the binding, which has lateral portions the edge of which lower comes into contact or opposite the bottom of the recess, with a slope inclined complementary to that of the bottom of the recess.
  • skiing (1) comprises a skid zone (2), a heel zone (3), and a spatula zone (4).
  • the ski has an upper face (5) which is intended to receive the stop and the heel of the binding, possibly by via a raising platform.
  • This upper face (5) is substantially flat on either side of the median longitudinal plane of the ski.
  • the ski (1) On each side, the ski (1) has a lateral face (10).
  • This side face (10) extends from the edges (7) present on the lower edges of the ski to the upper face (5) of the ski. More precisely the lateral face (10) extends to cord (8) of the edges, which constitutes the portion of the edges (7) coming directly into contact with snow and forms the lower edge of the board.
  • these lateral faces (10) include recesses (12) opening onto the upper face (5). These recesses (12) form a recessed area (13) inside the side faces (10), as illustrated in FIG. 2.
  • This recess (12) is mainly delimited by three surfaces, namely a first substantially vertical surface (15), the upper part of which joins the upper face (5) of the ski.
  • the recess (12) also has a bottom (16) which forms an inclined slope with respect to the sliding surface (9) and to the upper face of the ski (5). This inclined bottom (16) is extended at the rear by a portion (17) which connects to the upper face of the ski (5) at the rear of the recess (12).
  • the deepest zone (18) of the recess forms the limit between the slope inclined (16) and the portion (17) for connection to the upper face (5).
  • the slope of the inclined bottom (16) of the recess (12), measured by ratio to the sliding surface (9) is between 1 and 20 °, and preferably between 2 and 5 °.
  • the thickness e1 of the board measured at its lateral faces, substantially at the most bottom (18) of the recess (12), is less than the thickness e2 measured further forward of the recess.
  • the thickness e1 corresponds to the thickness of the portion (24) of structure extending to the edge of the board, which adds the thickness of the cord (8) of the edges (7), in which positions the sole (25).
  • the thickness e 2 of the board corresponds substantially to the maximum height of the internal structure (23) of the board, in the lateral zones.
  • the board comprises in its internal structure an upper reinforcement (28) which follows different shapes along of the board and which extends more or less laterally, as shown in the comparison of Figures 4 and 5.
  • the invention is not limited to only embodiments illustrated, but also covers variants in which the inclined slope of the bottom of the recess is oriented in the opposite direction, that is to say towards the rear and to the top.
  • the deepest area of the recess is located rather in the front part of the latter, while in the illustrated figures, this most deep (18) is located rather behind the recess (12).
  • the invention also covers other variants in which the width of the recesses is not constant, but variable over the length of the recess.
  • the invention is also not limited to the form illustrated in FIG. 2 in which the bottom (16) of the recess (12) is substantially planar, but it embraces on the contrary, all the variants concerning the geometry of the bottom of the recess, and for example a curved bottom, since the bottom of this recess is not parallel to the sliding surface and to the upper face of the ski.
  • the board also has four bosses (11a, 11b, 11c, 11d) arranged in front and behind each obviously (12). These optional bosses transfer the support from the skate area towards the spatula and heel areas.
  • the ski according to the invention has, in front and rear of the recess (12), lateral zones which include different materials.
  • the ski comprises in front of the recess (12) a spindle (30) including a viscoelastic material.
  • this spindle (30) can be inserted between the edges (7) and the lower part of the hull.
  • this spindle (30) of viscoelastic material confers shock absorbing properties at this localized area of the board. In this way, part vibrations passing through this zone is absorbed by this zone (30). Furthermore, this time zone (30) absorbs part of the energy required to bend the ski in the area in which it is located, which changes the local stiffness of the ski. In the case where this zone (30) is implanted as in the form illustrated in FIGS. 6 and 7 in front of the recess, this modified partial stiffness facilitates entry into the cornering, and improves comfort.
  • the lateral zone (37) of the ski presents in back of the recess, different slots (35) filled with elastic material (36). These slots (35) are located between the lower part of the shell and the edges (7). These different slots (35) are hollowed out while being slightly oriented towards the rear. and the top of the board.
  • these slots have a general U shape, comprising two parallel main walls, but the invention also covers the variants in which these slots have a V or Y section.
  • two geometries or others not shown can be mixed inside a same set of slots.
  • the material used to fill the slots (35) may be an elastic material such as rubber or a polyurethane elastomer.
  • the walls of the same slot (35) tend to move apart by stretching the material (36) that they trap. This material (36) therefore tends to oppose to this deformation.
  • the material (36) tends to bring the walls of the slots (35) and therefore a faster return to position of the board towards its initial curvature.
  • initial curvature is meant the curvature of the board when the ski is loaded only by the weight of the skier, statically.
  • the different slots (35) can be filled with a material which also has viscoelastic properties, such as VIBTENE®
  • the area including the plurality of slots has properties damping.
  • the board has a zone (34) comprising slots parallels arranged in front of the recess (12).
  • This board includes also a spindle (38) disposed at the rear of the recess (12).
  • the ski can also include two different time zones, being located at the front of the recess, the other being located at the rear.
  • FIG. 9 Another variant embodiment is illustrated diagrammatically in FIG. 9.
  • the board has two recesses (53, 54) made on each of the sides of the board.
  • Each of these recesses (53, 54) is of similar design to those described above.
  • the bottom (55) of the front recess (53) has a downward and forward tilt.
  • the bottom (56) of the rear recess (54) has an inclination oriented towards the up and forward (or equivalent down and back).
  • the length (l) of the portion (57) separating the two recesses (53, 54) is variable according to the slopes and the lengths of the recesses (53, 54). She may be reduced to a zero value, so that these two recesses are then contiguous.
  • the gliding board according to the invention has many advantages, including a distribution of stiffness in the skate area which allows maximum power to be concentrated at the edges, and therefore the maximum grip of the ski under the foot when triggering of the turn.

Landscapes

  • Road Paving Structures (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Laminated Bodies (AREA)
  • Rotary Pumps (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
EP02356020A 2001-02-20 2002-02-07 Gleitbrett Expired - Lifetime EP1232774B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0102279A FR2820982B1 (fr) 2001-02-20 2001-02-20 Planche de glisse
FR0102279 2001-02-20

Publications (2)

Publication Number Publication Date
EP1232774A1 true EP1232774A1 (de) 2002-08-21
EP1232774B1 EP1232774B1 (de) 2005-09-07

Family

ID=8860223

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02356020A Expired - Lifetime EP1232774B1 (de) 2001-02-20 2002-02-07 Gleitbrett

Country Status (5)

Country Link
US (1) US6834880B2 (de)
EP (1) EP1232774B1 (de)
AT (1) ATE303852T1 (de)
DE (1) DE60205961T2 (de)
FR (1) FR2820982B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SI22083B (sl) * 2005-07-18 2009-12-31 Elan, D.O.O. Smučka ali snežna deska z izboljšano torzijsko togostjo

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5232241A (en) * 1992-02-24 1993-08-03 K-2 Corporation Snow ski with integral binding isolation mounting plate
US5553884A (en) * 1993-04-16 1996-09-10 Skis Rossignol S.A. Ski comprising narrow sides and an upper shell
US5871223A (en) * 1995-05-22 1999-02-16 Skis Rossignol Sa Board for sliding over snow provided with auxiliary edge elements of height less than that of the board
FR2775437A1 (fr) * 1998-02-27 1999-09-03 Salomon Sa Dispositif interface entre un ski et des elements de retenue d'une chaussure sur le ski

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE682623C (de) 1938-07-21 1939-10-19 Ludwig Zedelmayer Mehrschichtenholzski
US4300786A (en) 1979-12-19 1981-11-17 Johnson Wax Associates Snow ski with adjustable camber
DE3437865A1 (de) 1983-10-21 1985-05-09 Kabushiki Kaisha Swallow Ski, Iiyama, Nagano Herstellungsverfahren fuer skier
DE3937617A1 (de) * 1989-01-09 1990-07-12 Fischer Gmbh Ski
EP0465794B1 (de) * 1990-07-09 1994-03-02 Salomon S.A. Ski mit gerippter Oberfläche
AT397209B (de) * 1990-09-27 1994-02-25 Rohrmoser Alois Skifabrik Ski mit einer räumlich profilierten oberseite
EP0490043B1 (de) 1990-12-14 1994-02-16 Salomon S.A. Ski mit laufflächenteil, ober Körper und Support für Bindungen
EP0490044A1 (de) 1990-12-14 1992-06-17 Salomon S.A. Wintersportski bestehend aus einer Versteifung und einer Basis
FR2683734B1 (fr) 1991-11-19 1994-01-07 Rossignol Sa Ski en forme, de section non rectangulaire.
FR2684011B1 (fr) 1991-11-25 1994-01-07 Rossignol Sa Skis Planche de glisse pourvue d'un dispositif d'amortissement des vibrations.
FR2686520B1 (fr) * 1992-01-28 1994-04-15 Salomon Sa Perfectionnement pour ski comprenant une plateforme centrale en saillie.
FR2692158B1 (fr) * 1992-06-11 1994-12-16 Rossignol Sa Ski à profil perfectionné.
FR2693379B1 (fr) 1992-07-09 1994-09-23 Salomon Sa Ski nervure muni d'un support.
FR2698012B1 (fr) 1992-11-19 1994-12-16 Rossignol Sa Structure de ski.
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.
FR2734492B1 (fr) 1995-05-22 1997-06-27 Rossignol Sa Planche de glisse sur neige comportant un dispositif pour le montage d'une fixation d'une chaussure
IT1289203B1 (it) * 1996-02-01 1998-09-29 Mario Magnani Sistema di regolazione assetto con ammortizzatore per sci da neve.
FR2763862B1 (fr) 1997-05-30 1999-08-27 Salomon Sa Dispositif interface entre une chaussure et un ski alpin
FR2773998B1 (fr) 1998-01-29 2000-02-25 Rossignol Sa Planche de glisse comportant une plateforme rigide de surelevation
AT408950B (de) 1998-01-30 2002-04-25 Atomic Austria Gmbh Schi, insbesondere alpinschi
FR2780294B1 (fr) 1998-06-25 2000-08-11 Rossignol Sa Planche de glisse sur neige
FR2781166B1 (fr) 1998-07-17 2000-08-25 Rossignol Sa Ski de neige comportant une plateforme dont les extremites longitudinales sont en porte a faux
FR2785823B1 (fr) 1998-11-13 2001-03-02 Salomon Sa Engin de glisse comprenant un dispositif d'interface de fixations relie a un ski
FR2786403B1 (fr) 1998-11-27 2001-02-16 Salomon Sa Ski equipe d'un dispositif interface prevu pour supporter des elements de retenue de la chaussure
US6612605B2 (en) * 1999-09-29 2003-09-02 K-2 Corporation Integrated modular glide board
FR2804335B1 (fr) * 2000-01-28 2002-04-19 Salomon Sa Planche de glisse destinee a la pratique du surf sur neige
FR2807670B1 (fr) * 2000-04-14 2002-06-07 Rossignol Sa Ski alpin
FR2812211B1 (fr) 2000-07-28 2003-02-07 Salomon Sa Planche de glisse
AT410638B (de) 2000-09-11 2003-06-25 Atomic Austria Gmbh Bindungstragplatte und brettartiges gleitgerät hierzu
FR2821280B1 (fr) 2001-02-27 2003-06-20 Rossignol Sa Plate-forme de rehaussement de la fixation destinee a etre montee sur une planche de glisse
ATE320289T1 (de) 2001-07-16 2006-04-15 Trägerplatte und gleitbrett mit solch einer trägerplatte
FR2831829B1 (fr) 2001-11-06 2003-12-19 Rossignol Sa Plate-forme de rehaussement des fixations d'une chaussure, et planche de glisse sur neige equipee d'une telle plate-forme

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5232241A (en) * 1992-02-24 1993-08-03 K-2 Corporation Snow ski with integral binding isolation mounting plate
US5553884A (en) * 1993-04-16 1996-09-10 Skis Rossignol S.A. Ski comprising narrow sides and an upper shell
US5871223A (en) * 1995-05-22 1999-02-16 Skis Rossignol Sa Board for sliding over snow provided with auxiliary edge elements of height less than that of the board
FR2775437A1 (fr) * 1998-02-27 1999-09-03 Salomon Sa Dispositif interface entre un ski et des elements de retenue d'une chaussure sur le ski

Also Published As

Publication number Publication date
DE60205961T2 (de) 2006-07-13
EP1232774B1 (de) 2005-09-07
US20020113412A1 (en) 2002-08-22
FR2820982B1 (fr) 2003-03-28
US6834880B2 (en) 2004-12-28
ATE303852T1 (de) 2005-09-15
DE60205961D1 (de) 2005-10-13
FR2820982A1 (fr) 2002-08-23

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