EP2547410A2 - Système de fixation amélioré destiné à des skis avec possibilité de soulever la pointe de la chaussure - Google Patents

Système de fixation amélioré destiné à des skis avec possibilité de soulever la pointe de la chaussure

Info

Publication number
EP2547410A2
EP2547410A2 EP11728943A EP11728943A EP2547410A2 EP 2547410 A2 EP2547410 A2 EP 2547410A2 EP 11728943 A EP11728943 A EP 11728943A EP 11728943 A EP11728943 A EP 11728943A EP 2547410 A2 EP2547410 A2 EP 2547410A2
Authority
EP
European Patent Office
Prior art keywords
ski
support structure
binding
binding system
pin
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
EP11728943A
Other languages
German (de)
English (en)
Other versions
EP2547410B1 (fr
Inventor
Stefano Maruelli
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.)
Maruelli Stefano & C Sas
MARUELLI STEFANO AND C S SA
Original Assignee
Maruelli Stefano & C Sas
MARUELLI STEFANO AND C S 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
Priority claimed from ITTO2010A000211A external-priority patent/IT1399266B1/it
Priority claimed from IT000803A external-priority patent/ITTO20100803A1/it
Application filed by Maruelli Stefano & C Sas, MARUELLI STEFANO AND C S SA filed Critical Maruelli Stefano & C Sas
Publication of EP2547410A2 publication Critical patent/EP2547410A2/fr
Application granted granted Critical
Publication of EP2547410B1 publication Critical patent/EP2547410B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • A63C9/02—Non-self-releasing bindings with swivel sole-plate or swivel parts, i.e. Ellefsen-type
    • 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
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/0807—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings for both towing and downhill skiing

Definitions

  • the present invention relates to skiing equipment and more specifically a system for binding a shoe or boot to a ski.
  • the invention relates to equipment for use in downhill skiing, cross-country skiing, ski-mountaineering, off-piste skiing and roller skiing.
  • the known bindings for downhill skiing, cross-country skiing and ski- mountaineering generally provide for the tip of the boot to be fixed or hinged to the ski, for example by means of an extension of the binding or of the boot, so as to allow the skier to rotate his/her foot forwards during fastening/unfastening of the downhill skiing boot or to carry out technical movements when performing cross-country skiing or ski-mountaineering.
  • This design solution does not allow the tip of the boot to be lifted from the ski, or allows this movement only to a minimal extent, due exclusively to the staggered position of the hinge axis with respect to the toe.
  • this small lifting movement takes place only by rotation in the walking direction, which is opposite that which would be required by normal walking, which provides for the extension of the leg without a variation in the angle of the ankle.
  • Support plates provided with a front hinge are also known, these being designed to allow the use of bindings of the known type and in particular of the fixed type for downhill skiing, which allow the skier to use fixed bindings for downhill skiing also for ski-mountaineering, i.e. bindings without a hinge, but these all revert to the known principle of providing the boot, or the binding, with a hinge at the tip of the boot, and allow no movements other than forward rotation.
  • the known bindings both for ski-mountaineering and for cross-country skiing, allow the skier to rotate his/her foot so as to drag the ski, but only the heel can lift up from the ski inasmuch as the shoe or boot are hinged in various ways to the ski at the tip.
  • the tips of the feet of the skier are therefore mounted on the ski vertically, and therefore every time the skier extends his/her leg they are forced to make an unnatural movement to raise the angle of the ankle so as to move the foot forwards, the tip of which cannot be lifted upwards owing to the rigidity of the hinge and of the ski.
  • FR 2 779 659 to Oddoux describes a ski binding system with double articulation.
  • a supporting plate for the footwear which bears at least one tip of a binding, is articulated at the rear binding so as to allow the tip of the boot to be lifted.
  • a rigid front rod or a pair of articulated plates form a mechanism for guiding and limiting the lifting travel of the front end of the footwear.
  • Oddoux does not solve the problem of ensuring efficient movement in every skiing condition with a system which is both light and rigid.
  • the binding plate as presented in the invention would become blocked by the snow inevitably moved onto the advancing ski, and - in conditions of deep snow - the snow easily becomes wedged in and compacted under the lifting mechanism, until it ices up and thereby blocks the plate in the lifted position, with the risk that the strong bending movements caused by the weight of the skier tear the rear hinge up from the ski.
  • FR 2 779 659 mentions the possibility of providing a locking device which can prevent the lifting of the tip of the footwear, it does not provide any teaching relating to the practical realization of such a device.
  • the locking device presented is external to the system and it is at a considerable distance from the point of application of the torsional forces arising during the skiing, owing to the weight of the skier who, when going around a curve, presses on a single edge of the ski, and the hypothetical mounting.
  • the system is therefore extremely heavy and not very rigid.
  • a further disadvantage is that it is not possible to mechanically control the lifting excursion by means of a movable slide on the front lifting guide rod, shown in Figures 1 and 2, because this would interfere with the rotation of the footwear, in addition to the fact that the strong thermal expansion as well as the exposure to snow and ice would quickly impair the functionality.
  • said document does not indicate how the system for locking the shoe or boot on the plate may actually operate, both when it is in the free position and when it is in the locked position.
  • the invention does not take into account the fact that the rotational movement of the boot needs further space if the bindings are external to the plate, as shown, and this is something that a fixed binding at the tip and at the rear external to the plate cannot ensure. Therefore, it is not possible to use bindings of the known type with the device realized in this way. It is an object of the present invention to provide a satisfactory solution to the problems outlined above.
  • the invention relates to a binding system having the features indicated in Claim 1.
  • Particular embodiments form the subject of the dependent claims, the content of which should be regarded as an integral part of the present description.
  • the binding system according to the invention which has a considerable tougliness and a very low weight, notwithstanding any other known function typical of a binding for skis, advantageously allows the tip of the boot, and therefore the tip of the skier's foot, to be lifted from the ski to a predetermined height, such as to allow a normal walking or running movement, so that the angle of the ankle, during the extension and advancing phase of the leg with the foot raised, remains virtually unchanged with respect to that which would be present in the case of a natural walking movement without skis.
  • the system according to the invention allows a skier to walk or run easily by dragging the ski under his/her feet, it being possible for the skier to lift the tips of the shoes or boots and at the same time also the heel with respect to the ski for a predefined travel.
  • the aim of the system is to allow the skier to move skis forward by foot with a natural walking movement, i.e. by completely lifting the whole foot to different centimetres with respect to the base of the ski, respectively first the tip and then the heel of the foot in the phase in which the front leg moves forward, and the same for the back leg, meaning that the skier, irrespective of the anthropometric measurements and the walking style, does not have to lift the ski from the snow and can have his/her feet almost completely free.
  • This mechanism can be realized in the manner of an additional plate system, along with a binding of the known type, or itself can constitute an integrated dual-function system for lifting the tip and fastening onto a ski of the known type, for specifically designed flexible shoes or boots which can ultimately improve the efficiency of the skier's movement in the running or walking phase with any type of skis on his/her feet.
  • the locking mechanism is movable and can engage on a shaped support surface of the support structure, so that it assumes a stable open or closed position on account of a contrast spring.
  • the locking mechanism is rotatable instead of movable and, for example, engages directly on one of the pins of the articulation of the tip lifting device.
  • Figure 1 is a perspective view of the tip lifting binding system in the configuration for skiing and ski-mountaineering, provided with systems for removing the snow, in the version with an integrated tip binding for the boot, with a locking system with a movable pin moved by the front compass and a retention spring;
  • Figure 2A is a perspective view of the tip lifting binding system in the configuration for cross-country skiing, provided with systems for removing the snow, in the version with an integrated tip binding for the shoe, the opening of the system being activated by the front compass and opposed by retention springs, with a locking system by means of a movable slide;
  • FIGS. 2B and 2C show details of the locking system
  • Figure 3 is a side view of the boot relative to the advancing leg, in which it can be seen how the tip thereof can be lifted owing to the presence of the kinematic mechanism with the tip hinge binding. and that at the rear in a free position;
  • Figure 4 is a side view of the boot relative to the back leg, which, having just completed the roll on the ski, is lifted in the rear part of the heel so as to drag the ski forward;
  • Figure 5 is a side view of a skier running with the skis on his/her feet
  • Figures 6A-6C are two side views and a top view of a locking mechanism of the binding system according to the invention in an unlocked state, in which the oscillating support structure can be seen in a lifted or resting position;
  • Figure 7 is a side view of a locking mechanism of the binding system according to the invention in a locked state, in which it can be seen that the front pin, pushed by the front compass into a lifted position, engages in a double seat realized in a base integral with the ski and is retained in position by a beak spring;
  • Figures 8A-8C are respectively two side views and a top view of a possible shape of the beak retention spring and of the development thereof in plan view;
  • Figure 9A is a side view of an alternative version of the quick-action locking mechanism of the binding system according to the invention, where Figures 9B and 9C show components on an enlarged scale;
  • Figure 10 is a side view of a version of the quick-action locking mechanism adapted in particular for use in cross-country skiing, for example;
  • Figure 1 1 shows two side views of a version of the quick-action locking mechanism adapted in particular for use in cross-country skiing, for example, which highlight the possible operational positions;
  • Figure 12 shows a side view of the locking mechanism of the invention in a condition in which the ski is deformed.
  • Figure 1 shows a dual-movement binding system 1 which has a front integrated binding 30 or adapted to be used with a front binding 30 and a heel binding 31 of the known type, and includes a lifting or tip lifting device.
  • the binding system according to the invention which can be used in particular in downhill skiing, cross-country skiing, ski-touring or in ski- mountaineering, is indicated as a whole by reference numeral 1.
  • the binding system 1 comprises an oscillating support structure 2 formed by at least one longitudinal beam and preferably by a pair of parallel longitudinal beams, which simultaneously allow for connection of the front mounting system 14 and fixing of a binding of the known type, for example a binding provided with a front hinge system of the shoe or boot.
  • the oscillating structure 2 is connected to a mounting plate 3 made integral with the ski 12, bearing a hinge 6, preferably a dual hinge and transverse with respect to the longitudinal extension of the ski, or analogously a flexible cross section.
  • the rear part of the oscillating structure is provided with the seats for anchoring the rear binding 31 , also of a known type, which can be mounted in different positions depending on the length of the skier's boot or, in a version with an integrated rear binding 31 , this is mounted on a horizontally movable slide, driven for example by an adjusting screw.
  • a gull-wing plate 18 is arranged between the tip binding and the beams, having a triple function of a wedge able to expel the snow which has possibly collected on the ski, a connection between said beams and protection of the moving parts of the tip binding 30.
  • the hinge or flexible section 6 of the beams 2 defines an articulation of the structure bearing the bindings about a rear transverse axis of the footwear.
  • the front section is provided with a kinematic mechanism 14, which forms a system for guiding and limiting the lifting travel of the beams and is conveniently provided with a locking mechanism 8, for example with a beak locking spring or a spring implementable in different versions.
  • the kinematic mechanism 14 of the binding system 1 comprises a front or side compass-like articulation.
  • the embodiment of the compass-like articulation shown in the figure comprises, for example, two articulated arms in the form of a V and a central arm, and on the whole is integral at a first end with the top surface of the ski, by means of a pin 16 articulated at a base 10, and at the opposite end with the front section of the oscillating structure 2, by means of one or more pins 4.
  • the tip lifting device has a system for guiding and limiting the lifting travel, given by the maximum opening of the compass which is limited by a ledge and by a transverse pin 17.
  • the kinematic mechanism 14 has an associated locking mechanism 8, adapted to lock the articulation and mount the oscillating structure on the ski.
  • the locking mechanism 8 comprises, for example, a beak spring element 5 which, once the compass 14 has pushed the pin 4 within the seat in the front base 10, prevents this from coming out.
  • An extremely rigid torsional engagement is thereby realized for the pin 4 and therefore the beams 2, but the pin 4 is left free to move horizontally by several millimetres within the eyelet 19 so that the ski can be elastically deformed without being stiffened by the binding system 1.
  • the realization of the compass-like kinematic mechanism with a reduced cross section advantageously prevents the formation of compacted blocks of snow or ice in the articulation structure of the oscillating structure, so that the system can operate in every snow condition.
  • the beams 2 of suitable height advantageously have a small plan thickness and therefore avoid the accumulation of snow, and, even in the case of the accumulation of ice, the pressures that the skier is able to exert on the profile are such as to prevent the growth of incrustations which could impair the functionality of the binding.
  • Figures 2A-2C show the version adapted particularly for cross-country skiing, in which the connection beams 2 with the rear hinge 6, and therefore the mid-opening between these, are realized in a form and dimensions which are compatible with the grooves present in the footwear of the known type, and exploit the presence of this groove so as to have a height which makes them sufficiently strong and to support the bending moment which can be exerted even in accidental cases, for example the intrusion of a branch which blocks the device.
  • the stresses during normal use, however, are very small because they are only applied by the weight of the ski.
  • Bindings for cross-country skiing of varying nature which differ by small dimensional details of the locking system of the front articulation pin of the shoe are known, but the only true special feature which distinguishes these bindirigs is in fact the disengagement of the locking system, which may be operated manually or by means of the pole.
  • the binding system according to the present invention differs from those known in that, in order to make the assembly as a whole lighter and more practical, the footwear binding also uses the movement of the tip lifting kinematic mechanism to fasten or unfasten the footwear to or from the ski binding, in a particular position and owing to that explained in more detail below.
  • the locking system for the footwear comprises two clamps, a fixed clamp and a mobile clamp which is supported and moved by the binding system according to the present invention, therefore benefitting from the possibility of having an integrated binding which combines all the features of an oscillating structure system for lifting the tip of the footwear, locking the oscillating structure in a lowered position and the fastening of the footwear.
  • An improvement of the invention is formed by a system for moving the locking clamps for footwear, in which the front end of the compass-like lifting kinematic mechanism can be activated by the skier and can be lifted so as to unfasten the footwear from the binding owing to the fact that the articulated arms of the lifting kinematic mechanism are not rigidly connected to the oscillating structure, but to a movable slide urged by a plurality of springs in turn connected to the mobile clamp, which is adapted to assume a fastening or unfastening position of the pin of the footwear.
  • FIG 2A shows the currently preferred embodiment of a multifunctional integrated binding system 101 adapted in particular for cross-country skiing, .
  • a mobile clamp 102 adapted to move longitudinally so as to release or lock the articulation pin of the skier's footwear 104 from or to the binding.
  • the mobile clamp 102 is fastened to a slide system 103, shown in an enlarged view in Figures 2B and 2C, which includes for example two pins slidable in respective bushes 105 connected rigidly to the oscillating structure 100.
  • a plurality of contrast springs 107 press the mobile clamp 102 in the locked position (A) against the pin 104, or, if absent, in a starting position (B) such that, if the pin 104 of the skier's footwear is pressed onto the V-shaped top ends of the clamps 102 and 108, the springs and the fact that the compass-like lifting mechanism is freely movable mean that said pin will engage in the clamps and be positioned in such a way that the mobile clamp will automatically return into the position in which it locks the pin A under pushing by the springs.
  • the locking system 8 is described in more detail below in relation to Figures 10, 1 1 and 12.
  • the footwear is unlocked by pulling the end 109 of the compass-like lifting mechanism 14 of the tip lifting system upwards, and, since it cannot make any other movements, this pushes the slide 103 connected to the mobile clamp 102 backwards, and the slide clears the passage for the pin 104 as it moves into a sufficiently withdrawn position.
  • the tip lifting device is adapted to assume a lifted position which allows the tip of the shoe or boot, also of the known type, to rise with respect to the ski to the necessary extent for walking to the maximum extent allowed by the end-of-travel determined by the kinematic mechanism 14, as shown in Figure 3 in the side view.
  • the shoe or boot In this first operational position, the shoe or boot is bound entirely on the oscillating structure of the binding.
  • Figure 4 shows a second operational position, in which the tip lifting device assumes a lowered and locked position, in which the oscillating structure carrying the binding is resting entirely on the ski and, on account of the known features of the hinge of the binding, the shoe or boot is dismounted from the binding at the heel and rotated forwards, for the second part of the walking or running movement.
  • the articulated kinematic mechanism 14 simultaneously constitutes a protection against the intrusion of snow or ice under the structure in the lifted position, and a torsional stiffening element, which limits the torsional rotation of the oscillating structure 2 with respect to the ski.
  • Figure 5 clearly shows a skier making a walking or running movement with the skis on his/her feet.
  • the dual-movement binding system 1 according to the invention in the configuration of independent binding which can be used with special flexible shoes or boots, includes a tip lifting device provided with a fastening system 30 which can be connected to the ski, for example a cross-country ski.
  • This comprises a base 2 which is flexible or hinged to the ski or in any case designed so that it can allow the tip of the shoe or boot to be lifted therefrom, and this base respectively comprises a front fastening system for the shoe or boot 23 and, in the case of skis for ski-mountaineering or downhill skiing, also a mechanism for locking the skier's heel, which can be used to deal with descents. It can be seen that this permits the flexible shoe or boot provided with a special fastening system for the binding in question to rotate, lifting the tip thereof from the ski, both for the advancing foot and for the withdrawn foot.
  • the figure shows the posture of the skier, almost identical to that of a runner, with both feet free to move depending on the most energetically advantageous movement which is most responsive ergonomically to the anthropometric features of the skier.
  • the same configuration with the addition of a suitable heel, which is lockable if needed, can be used for ski-mountaineering with flexible boots that can be locked for descents.
  • a front gull-wing plate 18A and a rear gull-wing plate 18P coupled to the oscillating structure perform a multiplicity of tasks, for example: i) the joining of the two beams which connect the front hinge and the rear hinge;
  • the rear plate 18P ensures that the snow cannot solidify and turn into ice between the rear binding and the ski.
  • the hinge is divided for example in two so as not to represent an obstacle to the outflow of the snow towards the rear side (indicated by the wavy arrows), towards which the snow is normally also pushed by the advancing ski and by the pushing of the snow plough wedge. If the pin were in one piece, this exit route would be precluded and it would therefore be impossible to prevent the accumulation of snow and therefore the blocking of the articulation.
  • the binding system according to the invention shown in more detail in Figure 1 or Figure 2. therefore realizes the triple function of fastening, tip lifting and hinge for a shoe or boot 23, which are of the known type and are characterized by the fact that they are flexible enough to also allow placement of the ball of the foot and therefore so-called rolling of the foot, which takes place on the beams 2 instead of on the ground.
  • the locking mechanism 8 which makes it possible, with a rapid manoeuvre, to lock or unlock the oscillating support structure 2 of the ski with the tip of the pole by lifting the ends 109 of the compass 14, is described with reference to Figures 6 to 8 and 1 1.
  • the locking mechanism can adopt at least two stable positions, respectively a position in which the lifting movement of the tip lifting device is allowed, so that possible stresses arising from banging and knocking on the ski do not make the latter change position (position A in Figure 6 and Figure 1 1), and a position in which the lifting movement of the tip lifting device is inhibited (position B in Figure 7 and Figure 1 1), so that the stresses resulting from the deformation of the ski do not induce automatic commutation towards the operational position of consent.
  • Figure 8 shows two side views and a plan view of an elastically deformable shaped plate, which forms a beak retention spring 5 in which it is possible to see a pair of transversely opposite protruding hooks 65 which can prevent the pin 4 from coming out when it is in the locking position and the entry profiles 67 characterized by the fact that they allow the free flat end 66 of the spring to be lowered when the hooks 65 are lowered, thereby freeing the entry of the pin 4 into the concave seat in the front base 10.
  • the free end 66 also has a hole or a concave seat, into which it is possible to insert the tip of the pole or which can be pressed by the tip of the pole, which, once the ends 109 of the kinematic mechanism 14 have been lowered, allows the pin 4 to leave the seats in the base 10 and therefore the oscillating structure 2 to be freed again.
  • Figure 9A is a side view, shown merely by way of example, of a variant of the locking mechanism 8 of the stiffened quick-action positioning type, for example for ski- mountaineering or telemarking.
  • the support structure 2 for the bindings is locked by means of an oscillating system formed by a shaped fastening block 50 (shown in detail in Figure 9B), the central section of which has a cavity 51 into which the pin 4 can engage in the operational locking position and which may be led to a position of disengagement from the pin in the operational position in which the lifting of the tip lifting device is allowed.
  • the block 50 is provided with a balance fastener 52 integral therewith (shown in detail in Figure 9C), which has the dual function of retaining the block 50 in the locking position when the pawl formation 53 engages in a respective portion of the pin 4 by surrounding it, or in a free position when a pin 70 integral with the fastener 52 engages on the protuberance 68 of the mounting base 10 of the kinematic mechanism 14.
  • the shaped fastening block 50 which rotates pivoted by the pin 59, and the horizontally pivoted fastener 52, which rotates about the pin 58, are stressed by a spring 56, connected to the pin 57 which has the dual task of ensuring an elastic reaction between the block 50 and fastener 52 so that these normally adopt the mutual position shown in Figure 9A, but if necessary - i.e.
  • the fastener 52 can be rotated with respect to the block 50 such that the pin 70 is liberated from the protuberance 68, as well as of making it easier for the mechanism to reach the stable operational locking position, in which the free ends of the block 50 rotate until they stably lock the pin 4 within the cavity 51 owing to the fact that the axis joining the pins 57 and 59 in which the spring is extended to the maximum possible extent is half way between the two positions of open and closed, in which the spring is of a reduced length and is therefore stable.
  • the spring 56 makes it possible to hinder the possible vertical forces which would tend to lift the tip lifting device, while the fastener 52 contributes to the closure of the cavity 51 on the opposite side, which can keep the pin in the locking position in the case of horizontal stresses arising, for example, from the different deformation of the ski 12 with respect to the structure 2.
  • the locking mechanism 8 can also provide for the presence of a further pin 60 of the known type, for example a pin or of the "push-pin" type, which can be inserted into appropriate seats (holes or eyelets) present at the front end of the support structure 2 and of the base 10, so as to ensure complete and irreversible locking of the structure 2 which is free from significant play, which at most limits the possible torsions of the structure 2.
  • the locking system described advantageously makes it possible to lock or unlock, as required, the support structure 2 of the bindings 30 and 31 with a simple motion, with one hand or the tip of the ski pole, in the latter case without the skier having to bend down.
  • the locking system described can prevent or, vice versa, allow the vertical lifting of the oscillating support structure, but advantageously in every operational condition always allows the relative horizontal sliding movement between the support structure and the ski owing to the different elastic deformation of the ski, which is considerably greater than that of the tip lifting structure thereabove.
  • Figure 10 shows in a side and a top plan view a light locking mechanism 8, for example for cross-country skiing or roller skiing, which is also shown in Figure 2A.
  • the locking mechanism has a mobile slide 40 which is mounted slidably in the base 10 by means of two pins 43 and 44, respectively a first locating pin 43 and a second interference pin 44, the ends of which are slidably received within respective shaped guide paths 45 formed on the internal sides of the base 10.
  • a contrast spring 42 acts on the slide 40 so as to make the locating pin 43 follow the upper profile of the guide paths 45 and therefore to make it take up one of two locations A or B at its end-of-travel, respectively a first advanced location corresponding to the stable operational position in which the lifting of the tip lifting device is allowed, and a second withdrawn location corresponding to the stable operational position in which the lifting of the tip lifting device is blocked.
  • FIG. 1 1 shows two side views which illustrate the operation of the locking system 8 in free position A, which allows the beams 2 to oscillate between the lifted position and the position in which they rest on the ski, and in locked position B in which the beams 2 are integral with the ski 12.
  • the operational position indicated by A in which the tip lifting device is completely lifted, is attainable if the locking mechanism 8 reaches a configuration in which the slide 40 is moved within the frame in an advanced position with respect to the longitudinal direction of advance of the ski, so that the pin 44, or an extension thereof, does not engage on the shaped formation 41 integral with the structure 2 and allows the lifting excursion of the front section of the support structure 2 of the bindings.
  • Figure 12 is a side view of the binding system according to the invention, which shows how possible inflection of the ski 12 can take place without a modification to the operational position of the locking mechanism, in particular when the latter is in the locking position B, due to the fact that the surface 41 can slide horizontally below the pin 44 yet always remains bound vertically.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

La présente invention a trait à un système de fixation destiné à un ski, lequel système de fixation comprend une structure de support montée sur un ski et supportant au moins une fixation destinée à une botte, laquelle structure de support est conçue pour avoir une première configuration de fonctionnement, lui permettant d'être fermement montée sur le ski, et une second configuration de fonctionnement, lui permettant d'être articulée sur le ski le long d'un axe transversal de rotation derrière la botte et est en mesure d'osciller dans un plan longitudinal orthogonal au ski. L'extrémité avant de la structure de support est connectée au ski au moyen d'un mécanisme cinématique qui forme un système permettant de guider le déplacement de soulèvement de la structure. Le système de fixation est équipé d'un mécanisme de verrouillage conçu pour passer d'une première position de fonctionnement stable permettant au mécanisme cinématique d'être verrouillé, de sorte que la structure de support est fermement fixée au ski, à une seconde position de fonctionnement stable permettant au mécanisme cinématique d'être libéré, de sorte que la structure de support est en mesure d'osciller par rapport au ski, et vice-versa. La structure de support comprend une paire de fléaux longitudinaux parallèles, qui sont articulés à l'extrémité avant à une paire de bras du système de guidage de soulèvement, de sorte que la structure de support et son système de guidage de soulèvement associé définissent au moins une lumière permettant de retirer la neige.
EP11728943.9A 2010-03-19 2011-03-21 Système de fixation amélioré destiné à des skis avec possibilité de soulever la pointe de la chaussure Not-in-force EP2547410B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITTO2010A000211A IT1399266B1 (it) 2010-03-19 2010-03-19 Attacco con alza punta
IT000803A ITTO20100803A1 (it) 2010-10-04 2010-10-04 Sistema di blocco per attacchi alza punta
PCT/IB2011/051170 WO2011114319A2 (fr) 2010-03-19 2011-03-21 Système de fixation amélioré destiné à des skis avec possibilité de soulever la pointe de la chaussure

Publications (2)

Publication Number Publication Date
EP2547410A2 true EP2547410A2 (fr) 2013-01-23
EP2547410B1 EP2547410B1 (fr) 2014-06-18

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EP11728943.9A Not-in-force EP2547410B1 (fr) 2010-03-19 2011-03-21 Système de fixation amélioré destiné à des skis avec possibilité de soulever la pointe de la chaussure

Country Status (3)

Country Link
US (1) US20130009387A1 (fr)
EP (1) EP2547410B1 (fr)
WO (1) WO2011114319A2 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20110331A1 (it) * 2011-04-11 2012-10-12 Stefano Maruelli Sistema innovativo di blocco per attacchi alza punta.
ITTO20120047A1 (it) * 2012-01-22 2013-07-23 Stefano Maruelli Supporto per attacco posteriore
ITTO20120801A1 (it) * 2012-09-15 2014-03-16 Stefano Maruelli Sistema di attacco irrobustito
ITVI20120324A1 (it) * 2012-11-29 2014-05-30 Albert Bernard Sistema di collegamento per attacchi da sci.
US20180345119A1 (en) * 2015-10-27 2018-12-06 Daymaker Touring, Llc Linkage binding
ITUB20156856A1 (it) * 2015-12-09 2017-06-09 Stefano Maruelli Dispositivo alza punta con sistema di bloccaggio semplificato
US10471332B2 (en) * 2017-01-18 2019-11-12 Joan Scheingraber Ski binding rescue device
PL233384B1 (pl) * 2017-06-22 2019-10-31 Backwards Spolka Z Ograniczona Odpowiedzialnoscia Wiązanie, adapter i sposób mocowania butów oraz but do nart lub deski splitboardowej lub nartorolek lub rakiet śnieżnych
IT201700116389A1 (it) * 2017-10-16 2019-04-16 Stefano Maruelli Sistema di attacco leggero con leva multifunzione di sblocco laterale
EP4173681A1 (fr) * 2021-10-28 2023-05-03 Fritschi AG - Swiss Bindings Fixation de ski, en particulier fixation de ski de randonnée
US11865433B2 (en) 2021-10-28 2024-01-09 Fritschiag—Swiss Bindings Skibinding, in particular touring skibinding

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WO2011114319A2 (fr) 2011-09-22
US20130009387A1 (en) 2013-01-10
EP2547410B1 (fr) 2014-06-18
WO2011114319A3 (fr) 2012-03-29

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