EP0880981A1 - Entkupplungselement zwischen einem Schuh und einem Ski - Google Patents

Entkupplungselement zwischen einem Schuh und einem Ski Download PDF

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Publication number
EP0880981A1
EP0880981A1 EP98109148A EP98109148A EP0880981A1 EP 0880981 A1 EP0880981 A1 EP 0880981A1 EP 98109148 A EP98109148 A EP 98109148A EP 98109148 A EP98109148 A EP 98109148A EP 0880981 A1 EP0880981 A1 EP 0880981A1
Authority
EP
European Patent Office
Prior art keywords
ski
platform
stop
platforms
floating
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.)
Withdrawn
Application number
EP98109148A
Other languages
English (en)
French (fr)
Inventor
Gilles Silva
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.)
Salomon SAS
Original Assignee
Salomon SAS
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 Salomon SAS filed Critical Salomon SAS
Publication of EP0880981A1 publication Critical patent/EP0880981A1/de
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • A63C9/007—Systems preventing accumulation of forces on the binding when the ski is bending

Definitions

  • the invention relates to an interface device between a boot and an alpine ski.
  • the invention also relates to a shoe retention assembly on a ski having such an assembly, as well as a ski equipped with such a retaining assembly.
  • the patent application published under the number WO 83/03360 describes a plate raised from the upper surface of the ski.
  • the plate supports both shoe retainers.
  • One of its ends is integrally connected to the ski, the other end is free, and blocks of elastically deformable material oppose a progressive resistance to its movement during ski flexion.
  • This device also gives good results, but the ski areas influenced by its action is not optimized. In addition, its operation is not very progressive.
  • the invention is to improve the performance of this type of interface, that is to say of propose an improved device which on the one hand optimizes during the flexing of the ski the zones of the ski whose mechanical characteristics are modified, and on the other hand which presents a very progressive mode of operation with flexion of the ski.
  • the interface device comprises a rear platform with a zone raised mounting for a rear retainer, a front end and an end rear, and a front platform with a mounting area for a front retainer, a front end and a rear end. It is characterized by the fact that the platforms front and rear have adjacent ends located close to each other between the mounting areas of the front and rear retaining elements, that at least one of the platforms is mounted floating in a longitudinal direction relative to a median stud intended to be secured to the ski, with an adjacent end intended to rest in support simple against the stud, in a direction that tends to move it away from the other platform, a opposite end free to slide in a longitudinal direction, and a stop provided to be joined to the ski just beyond the opposite end at a determined distance to limit its free sliding during flexion of the ski.
  • only one of the platforms is mounted floating relative to the median stud.
  • the median stud is integral with the rear platform, the platform rear has a front end which is integrally connected to the ski, and its rear end is free to slide.
  • the central area of the ski, under the shoe is stiffer for weak and intermediate flexions, and it becomes less stiff for high bending.
  • Figure 1 is a side view in partial section of the device according to a first mode non-limiting representation.
  • FIG. 1 shows the device of Figure 1 seen from above.
  • FIGS 3 and 4 are schematic side views of the main parts of the device which illustrate its different operating modes.
  • FIG. 5 schematically shows an alternative embodiment.
  • Figure 6 is a schematic representation in side view of another embodiment of the invention.
  • FIG. 7 is a perspective view of an interface device according to another mode of implementation of the invention.
  • Figure 8 shows an exploded view of the various elements of the previous figure.
  • Figure 1 shows a side view of the central part 1 of a ski, surmounted by the device interface 2, and two front and rear retaining elements 3 and 4.
  • the retaining elements are of any suitable type intended for a conforming shoe standards and will not be described in detail.
  • the rear retaining element comprises a body 5 slidably mounted along a slide 6.
  • a lock 8 determines the initial position of the body of the element, and a spring 9, commonly called recoil spring elastically opposes the backward movement of the body.
  • the retaining elements 3 and 4 are joined together respectively to a front platform 13 and a rear platform 14 of the device 2.
  • FIG. 2 shows that the platform 13 has in its upper part an area of mounting 15 for the retainer 3, and a mounting area 16 for the retainer 4.
  • the front and rear mounting areas are raised above the upper surface ski.
  • each of the mounting zones has series offset holes that allow the retaining elements to be assembled at a spacing variable and if necessary a variable longitudinal position on the ski.
  • the two front and rear platforms 13 and 14 each have a front end and a rear end, respectively 17 and 18, for the platform 13, 19 and 20 for the platform 14.
  • the adjacent ends 18 and 19 are located close to each other towards the middle of the central part of the ski, that is to say between the mounting zones 15 and 16.
  • the other ends 17 and 20 will hereinafter be called opposite ends.
  • the platform before is mounted floating in the longitudinal direction defined by the ski.
  • a median stud 21 is secured to the ski towards the adjacent ends 18 and 19.
  • the stud is located between the front and rear mounting areas. It is also found in the extension of the skier's tibial axis.
  • the end 18 of the platform 13 has a light 22 which the stud passes through. The light and the stud cooperate together to allow free sliding of the end 18 of the front platform in a direction longitudinal. Movements in other directions are hampered.
  • the light Towards the end of the platform, the light also has a bearing surface 22a provided to rest in simple support against the stud 21 in a direction of movement of the platform forward, that is to say in the direction which tends to move it away from the other platform.
  • the end 17 of the platform 13 is presented as a shaped end piece parallelepiped which is guided in the opening of a cover 24 connected integrally to the ski.
  • the opening of the cover has a bottom wall 24a.
  • a block of material elastically deformable 25 is placed between the end piece 17 and the bottom 24a.
  • the assembly is designed so that, flat skiing, in the presence of the boot the toe rests without pressure against block 25. In fact, it is the push back, transmitted by the shoe which biases the front platform forward.
  • the platform is retained by the support of the wall 22a light against the stud 21.
  • the end piece 17 compresses block 25.
  • the light remains in abutment against the stud.
  • the stiffness of the block 25 is less than the stiffness of the recoil.
  • block 25 reaches its maximum compression, the wall 24a then functions as a frank stop.
  • the end rear of the platform leaves its support against the stud.
  • the recoil of the retainer rear constantly compensates for the displacement of the heel of the shoe whatever the bending.
  • the front platform is preferably very rigidly constructed, with overall the same materials as a ski but it could also be made of loaded polyamide. In its middle part, it has substantially the same width as the upper surface ski, and a thickness equal to the thickness of the rear platform (close to a centimeter).
  • the operating clearance between the end piece 17 and the cover 24 allows only one longitudinal movement of the nozzle, lateral movements such as movements of tip twist are hampered.
  • a thin layer 27 of shock absorbing material is located between the platform and the upper surface of the ski.
  • the underside of the platform has at least a longitudinal groove filled with a viscoelastic type sealant, which is applied against the upper surface of the ski when mounting the platform. This allows amortization vibrations of the ski, and movements of the platform.
  • the rear platform 14 has a front end 19 integrally connected to the ski, for example by screws.
  • the stud 21 is part of the rear platform.
  • the rear platform has a longitudinal recess which serves as a guide for the end 19.
  • the end 19 is an end piece of the same shape as the end piece 17, and the recess of the platform 14 is of the same nature as the recess of the cover 24, with except for stud 21.
  • the rear end 20 of the platform 14 is free to slide longitudinally in the opening of a cover 28 connected integrally to the ski.
  • a block of elastic material compressible 29 is preferably placed between the end 20 and the bottom of the hood opening. The assembly is provided so that, the ski being flat, the end 20 presses without pressure against the block 29. During ski flexions, the end 20 compresses the block 29.
  • a thin layer of material shock absorber and at least one longitudinal strip of viscoelastic sealant are located between the platform and the ski.
  • the thrust of the recoil spring is transmitted by the shoe to the front platform 13.
  • the front platform is retained by the stud 21. Its front end bears without pressure against the block 25.
  • the opposite end 20 of the platform 14 moves and causes progressive compression of block 29.
  • the opposite end of the platform 13 likewise compresses the block 25 which gradually transmits the backward reaction to the front cover 24.
  • the adjacent end 18 of the platform 13 is however kept in contact with the stud 21 by the thrust of the recoil spring.
  • the front and rear platforms act as stiffeners for the front and rear of the central zone of the ski in bending phase only. But when the ski is flat, the reaction forces to the push of the recoil are brought back into the zone of the stud 21 located under the shoe.
  • the ski can deform more easily from its rest position, it fits the better the deformations of the ground, it is easier to register in a curve, and it is more tolerant.
  • the rear platform stiffens the rear part of the central area of the ski. This helps stabilize the ski.
  • the front platform also helps to stabilize the part before skiing.
  • the rear platform continues to operate as previously described. Forward, block 25 has reaches its maximum compression, the cover 24 then behaves like a stop which is opposed to the advancement of the end piece 17. If the ski continues to flex, the rear end of the platform 13 leaves its support against the pad 21. The two platforms are no longer coupled. The rear retaining element 4 slides constantly backwards against the restoring force of the recoil spring 9. The reaction to this thrust is then transmitted entirely to the ski on the total length of the interface. The two platforms no longer have a direct link according to a longitudinal direction.
  • the stiffening they cause on the ski is partially attenuated by the recoil of the rear retaining element. Indeed, in the strong flexions, the present device does not have a long plate which would tend to brace itself.
  • the present interface is steeper than a plate interface for ski flexions low or moderate. It is less stiff than a plate interface for strong ski flexes whatever the hardness of the elastic stops 25, 29.
  • Figures 1 and 2 show the interface device 2 extended forwards and backwards by regulating arms, respectively 30, 31.
  • These arms are known, and do not form part integral of the invention. They each have a fixed end embedded in each of the covers 24, 28, and, respectively forward and backward, a movable end guided in a cover 33, 34 of their own, with movement controlled by a layer of material viscoelastic shear stress. The effect of these arms is to cushion and stabilize front and rear ends of the ski. This effect is superimposed on the action of the interface device 2.
  • the push back is transmitted to the ski in areas from the bottom of the shoe to the front of the front retainer.
  • the stiffening effect of the platform remains limited, because, when the block 42 is compressed to the maximum, it is the recoil spring of the rear element which absorbs the flex of the ski.
  • the front platform which is floating
  • the rear platform has an adjacent end which is integrally connected to the ski.
  • a reverse arrangement is also possible, i.e. the floating rear platform and the front platform with an adjacent end connected integrally to the ski.
  • the opposite end of the platform which is not floating could be integrally connected to the ski.
  • FIG. 6 illustrates another embodiment of the invention according to which the two front and rear platforms 53 and 54 are mounted floating relative to a median stud 55.
  • the stud 55 is here independent, and it is integral with the ski.
  • Each platform presents its adjacent end 55, 56, a light 59, 60 which the stud crosses, and through which each of the platforms is retained in the direction that tends to move it away from the other.
  • the two platforms have a similar construction, with a tip 61, 62 engaged in a cover 63, 64, and a block of material resiliently compressible interleaved 65, 66.
  • the stiffness of the blocks and their compression stroke are provided so that the covers 63, 64 behave like frank stops during strong bending of the ski.
  • the stiffness and the course of the two blocks can however be different.
  • the tips 61, 62 are pressed without pressure against the blocks 65, 66.
  • the push back is retransmitted to the median stud 55.
  • the platforms compress blocks 65 and 66, which transfers gradually pushing back towards the two hoods 63 and 64.
  • the platforms leave the support of the stud, to be held in abutment against the covers 63 and 64. The bending of the ski then causes the recoil of the rear retainer.
  • a damping layer and one or more strips of putty can be placed between each of the platforms and the upper surface of the ski.
  • Figures 7 and 8 show another embodiment of the invention according to which progressive intermediate shims are placed along the length of the platforms front and rear.
  • the construction method represented in these figures presents a front platform 70 and a rear platform 71.
  • the front end 73 of the rear platform is connected in solidarity with the ski, for example by screws.
  • the center stud is an integral part of the end 73 of the platform. It is secured to the ski by the central screw 72.
  • the platform before 70 is floating.
  • Its adjacent end 74 has a light 75 which is crossed by the middle stud.
  • the opposite ends 76 and 77 are free to slide inside covers 78 and 79, their movement causing the compression of a block of elastically deformable material 80, 81, for example an elastomer block.
  • the front and rear platforms are slightly raised above the surface upper of the ski, except in the area of the end 73 of the rear platform which is united to skiing.
  • platforms 70 and 71 rest on blocks 82a, 82b and 83a, 83b elastically compressible which are for example partially embedded in housings located in the thickness of the platforms. These blocks could be replaced by an openwork layer or any other suitable device.
  • the front platform 70 has two recesses 84 and 85 distributed over the length of the platform.
  • Each recess has two ramps inclined 86a, 86b for the recess 84, and 87a, 87b for the recess 85.
  • Two jumpers 88 and 89, with complementary counter-ramps 88a, 88b, and 89a, 89b are engaged in the recesses.
  • the riders are assembled integrally to the ski by their ends.
  • one or the other, or both riders 88 and 89 are placed in their respective recesses.
  • the ramps are tilted up and down low and back to front. Their inclination is approximately 30 degrees from the horizontal plane defined by the upper surface of the ski. Naturally the number of holds and their inclination are only indicative data.
  • the rear platform 71 likewise has a recess 90 with a ramp 91.
  • a shim 92 is introduced into the recess and secured to the ski.
  • the wedge has a counter ramp 93.
  • the ramp and its counter ramp are inclined from front to back and from top to low. As an indication, good results have been obtained with an angle of inclination of 40 degrees.
  • the operating mode is as follows.
  • the platforms are slightly raised from the ski by an elastic material compressible.
  • the ramps flatten gradually the front platform against the ski and the longitudinal support of the platform forward is gradually transferred from the center stud and light 75 to the ramps of the jumpers 88 and 89.
  • the jumpers behave like a straight stop. If both riders are present, preferably, they are very slightly offset so that the total transfer is done first on the rear rider 88 then on the front jumper 89.
  • the front end piece 77 slides under the hood, and compresses the block 80.
  • block 80 reaches its maximum compression.
  • the hood 78 then behaves like a frank stop, and the push back, which increases then significantly, is transferred completely to the front cover 78.
  • the ramps cooperate in the same way to press the platform against skiing.
  • the ramps take up part of the longitudinal forces, but there is no transfer of support as for the front platform, but there is application of a support at the rear end because it there is a bracing of the rear platform in flexion of the ski. This provision is adapted to increase the acceleration at the end of the curve.
  • This embodiment allows a gradual transfer of the reaction to the push back. in different areas of the ski more and more advanced as the ski bends.
  • the plating the front and rear platforms against the ski ensures in ski flexion a mutual and progressive stiffening of the ski and the platforms. It is therefore possible to use less rigid and therefore lighter platforms.
  • Plating also has the effect improve with flexion the lateral connection between the platforms and the ski, i.e. the connection around the longitudinal axis defined by the ski. The skier's orders are therefore transmitted more directly to skiing.
  • the rear platform could also be mounted floating like this is described in Figure 6, and be equipped with progressive intermediate shims such as those which have just been described for the front platform.
  • the present invention is not limited to the various embodiments described, and other construction variants are still possible.
  • the blocks of elastically deformable material could be removed, i.e. the transfer of the pad towards the hoods, instead of being progressive, it would be all or nothing.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP98109148A 1997-05-30 1998-05-20 Entkupplungselement zwischen einem Schuh und einem Ski Withdrawn EP0880981A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9706841 1997-05-30
FR9706841A FR2763862B1 (fr) 1997-05-30 1997-05-30 Dispositif interface entre une chaussure et un ski alpin

Publications (1)

Publication Number Publication Date
EP0880981A1 true EP0880981A1 (de) 1998-12-02

Family

ID=9507553

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98109148A Withdrawn EP0880981A1 (de) 1997-05-30 1998-05-20 Entkupplungselement zwischen einem Schuh und einem Ski

Country Status (3)

Country Link
US (1) US6193262B1 (de)
EP (1) EP0880981A1 (de)
FR (1) FR2763862B1 (de)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
EP1000640A1 (de) * 1998-11-13 2000-05-17 Salomon S.A. Entkupplungsvorrichtung zwischen einem Schuh und einem Alpinski
FR2801801A1 (fr) * 1999-12-06 2001-06-08 Salomon Sa Dispositif amortisseur des vibrations d'un ski, et ski equipe d'un tel dispositif

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FR2785823B1 (fr) * 1998-11-13 2001-03-02 Salomon Sa Engin de glisse comprenant un dispositif d'interface de fixations relie a un ski
FR2809024B1 (fr) * 2000-05-18 2002-07-12 Look Fixations Sa Dispositif de rehaussement d'au moins un element de fixation utilisee sur une planche de glisse
AT412839B (de) * 2000-06-02 2005-08-25 Atomic Austria Gmbh Gleitvorrichtung, insbesondere schi, snowboard oder dgl.
DE60119961T2 (de) * 2000-11-17 2006-12-21 Scott Sports S.A. Ski und snowboard mit veränderlicher radialer geometrie
FR2820984B1 (fr) * 2001-02-20 2003-06-06 Rossignol Sa Plateforme de rehaussement de la fixation d'une planche de glisse, et planche de glisse equipee d'une telle plateforme
FR2820983B1 (fr) 2001-02-20 2004-04-16 Rossignol Sa Planche de glisse
FR2820982B1 (fr) 2001-02-20 2003-03-28 Rossignol Sa Planche de glisse
FR2822387B1 (fr) * 2001-03-20 2003-07-11 Rossignol Sa Dispositif de rehaussement d'une fixation de ski
EP1277500B1 (de) * 2001-07-16 2006-03-15 Skis Rossignol S.A. 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
DE10204330A1 (de) * 2002-02-01 2003-08-14 Innotec Ges Zur Entwicklung In Alpinski
DE10216041A1 (de) * 2002-04-11 2003-10-23 Marker Deutschland Gmbh Bindungssystem für bzw. am Ski oder Snowboard
DE10236152A1 (de) * 2002-08-07 2004-02-19 Marker Deutschland Gmbh Ski- und Skibindungs-Kombination
US6857653B2 (en) 2002-10-31 2005-02-22 Anton F. Wilson Gliding skis
DE10254471A1 (de) 2002-11-21 2004-06-03 Madsus A/S Ski mit Bindungs-Montagehilfe, Verfahren zur Herstellung eines solchen Ski sowie entsprechende Montagehilfe
ITVE20030021A1 (it) * 2003-06-10 2004-12-11 Vittorio Quaggiotti Sci da discesa.
US7073810B2 (en) * 2003-06-25 2006-07-11 Wilson Anton F Ski with tunnel and enhanced edges
FR2877851B1 (fr) * 2004-11-12 2006-12-08 Skis Rossignol Sa Sa Dispositif de montage sur un ski des elements d'une fixation de securite
CN101111293B (zh) * 2005-01-10 2011-04-27 罗特费尔拉公司 包括固定器-安装辅具的滑雪板或类似滑雪装置
FR2887155A1 (fr) * 2005-06-20 2006-12-22 Skis Rossignol Sa Sa Perfectionnement pour planche de glisse sur neige
FR2895914B1 (fr) * 2006-01-09 2008-07-04 Skis Rossignol Sas Soc Par Act Perfectionnement pour planche de glisse sur neige
FR2896426B1 (fr) * 2006-01-20 2008-05-09 Salomon Sa Fixation de securite d'une chaussure sur un ski
FR2898063A1 (fr) * 2006-03-02 2007-09-07 Salomon Sa Dispositif d'interface pour une planche de glisse
FR2915905A1 (fr) * 2007-05-11 2008-11-14 Rossignol Sa Dispositif de reglage de spatule d'une planche de glisse
EP3307404A4 (de) * 2015-06-12 2019-03-13 Hitch, Douglas A. Mechanischer zug für einen langlaufski

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WO1983003360A1 (en) 1982-03-25 1983-10-13 Walter Gerber Damping device for skies
FR2695041A1 (fr) * 1992-08-31 1994-03-04 Anesi Tullio Elément de liaison adaptable entre ski et fixation de ski.
EP0599041A1 (de) 1992-11-27 1994-06-01 Salomon S.A. Trägerplatte zwischen Ski und Bindung
EP0623370A1 (de) 1993-05-06 1994-11-09 Salomon S.A. Trägerplatte zwischen Ski und Bindung
WO1995007737A1 (en) * 1993-09-13 1995-03-23 Marco Maggiolo Device for improving the efficiency and controllability of skis
DE4402662A1 (de) * 1994-01-29 1995-08-03 Franz Voelkl Gmbh & Co Ski Ten Ski sowie Bindungsplatte für einen Ski

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FR2709071B1 (fr) 1993-08-20 1995-10-27 Salomon Sa Ski perfectionné muni de dispositifs élastiques pour s'opposer et/ou amortir les sollicitations en flexion.
FR2720007B1 (fr) 1994-05-18 1996-07-12 Salomon Sa Ski alpin muni d'un dispositif de raidissement et/ou d'amortissement à double effet.
FR2734164B1 (fr) * 1995-05-17 1997-06-13 Rossignol Sa Dispositif de rehaussement d'une fixation de ski, et ski equipe d'un tel dispositif
US5785342A (en) * 1996-07-30 1998-07-28 Bronson; Henry D. Ski binding dampening assembly

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983003360A1 (en) 1982-03-25 1983-10-13 Walter Gerber Damping device for skies
FR2695041A1 (fr) * 1992-08-31 1994-03-04 Anesi Tullio Elément de liaison adaptable entre ski et fixation de ski.
EP0599041A1 (de) 1992-11-27 1994-06-01 Salomon S.A. Trägerplatte zwischen Ski und Bindung
EP0623370A1 (de) 1993-05-06 1994-11-09 Salomon S.A. Trägerplatte zwischen Ski und Bindung
WO1995007737A1 (en) * 1993-09-13 1995-03-23 Marco Maggiolo Device for improving the efficiency and controllability of skis
DE4402662A1 (de) * 1994-01-29 1995-08-03 Franz Voelkl Gmbh & Co Ski Ten Ski sowie Bindungsplatte für einen Ski

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1000640A1 (de) * 1998-11-13 2000-05-17 Salomon S.A. Entkupplungsvorrichtung zwischen einem Schuh und einem Alpinski
US6244616B1 (en) 1998-11-13 2001-06-12 Salomon S.A. Interface device between a boot and an alpine ski
FR2801801A1 (fr) * 1999-12-06 2001-06-08 Salomon Sa Dispositif amortisseur des vibrations d'un ski, et ski equipe d'un tel dispositif

Also Published As

Publication number Publication date
FR2763862A1 (fr) 1998-12-04
FR2763862B1 (fr) 1999-08-27
US6193262B1 (en) 2001-02-27

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