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EP2732857B1 - Ski binding abutment and binding system provided with such an abutment - Google Patents

Ski binding abutment and binding system provided with such an abutment Download PDF

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Publication number
EP2732857B1
EP2732857B1 EP13193115.6A EP13193115A EP2732857B1 EP 2732857 B1 EP2732857 B1 EP 2732857B1 EP 13193115 A EP13193115 A EP 13193115A EP 2732857 B1 EP2732857 B1 EP 2732857B1
Authority
EP
European Patent Office
Prior art keywords
stop
pivot
jaw
stop according
travel
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.)
Active
Application number
EP13193115.6A
Other languages
German (de)
French (fr)
Other versions
EP2732857A1 (en
Inventor
Frédéric Farges
Jean Michel Dagniaux
Nicolas Puget
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 EP2732857A1 publication Critical patent/EP2732857A1/en
Application granted granted Critical
Publication of EP2732857B1 publication Critical patent/EP2732857B1/en
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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
    • A63C9/00—Ski bindings
    • A63C9/005—Ski bindings with means for adjusting the position of a shoe holder or of the complete binding relative to 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
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08507—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws
    • A63C9/08521—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws pivoting about a vertical axis, e.g. side release

Definitions

  • the present invention relates to an Alpine ski binding stop and a fastening system equipped with such a stop.
  • the invention relates, more particularly, to specific arrangements of the abutment before the fixing of safety shoes on a ski to make it compatible with various equipment.
  • the front stop of the known fastening systems comprises, in particular and essentially, a base for mounting on the upper face of the ski and a body provided with a movable jaw intended to engage with the front part of a boot being supported. by a substantially vertical pivot articulated on a longitudinal tie cooperating with a return spring.
  • the jaw consists of two symmetrical arms that are pivotally movable independently of one another.
  • the tip of the shoe When donning, the tip of the shoe is housed in forced support in the jaw causing its slight rise by pulling on the tie rod and precompression of the spring.
  • the ski boots have a thick sole whose front part has a flange. protruding called sidewalk that comes to engage and stall in the jaw.
  • this sidewalk presents, whatever the brand of the shoe, a standard height of the order of 20 mm (Alpine standard ISO 5355).
  • the front stops of mountaineering systems for alpine skiing are all designed to adapt to this dimension that has become standardized.
  • the objective of the invention is therefore to solve this technical problem of incompatibility by offering a system of fastener provided with means of adjustment of the front stop which allow to adapt, manually, simple and secure, both alpine ski boots and hiking shoes.
  • a stop characterized in that said pivot carries at least two stop elements cooperating with an internal stop wall formed on said body, said stop elements taking, by rotation of the pivot on it. same, distinct angular positions corresponding to strokes of said jaw amplitudes, respectively, short and long in the vertical direction, said pivot having a travel in the vertical plane corresponding to a tilting upwards or downwards of said jaw thus enabling it to be adapted to different sidewalk heights as well as various shoe sole profiles.
  • the pivot is accessible from the outside.
  • one of said abutment elements consists of a spacer formed of a roller having, on its periphery, at least two bosses corresponding to strokes, respectively, low and high of said jaw.
  • the two bosses constitute two abutment elements.
  • a first boss has a thickness and / or a length such that the support of said boss on the inclined wall of the facing body corresponds to the end stop of the low stroke of said jaw.
  • a second boss has a thickness and / or a length such that the spacer escapes said wall at least at the end of the upper stroke of said jaw.
  • the articulation between the tie rod and the pivot is made by engagement of said pivot in an eyelet formed at the rear end of said tie rod.
  • the dimensions of the eyelet are greater than the section of the pivot to allow its movement.
  • the section of said pivot has an asymmetrical narrowing at its articulation with said tie rod.
  • the pivot has an enlarged head ensuring the vertical wedging of one of the abutment elements and a groove allowing its rotation by screwing.
  • the head is asymmetrical and comprises a ring intended to abut against flank faces of the jaw and the body.
  • the jaw comprises two symmetrical arms each mounted on said pivot via two bearings, respectively, upper and lower and, in this case, one of said stop elements consists of one of the upper bearings.
  • the extreme high position of the longest stroke corresponds to the abutment of one of the upper bearings against the stop wall.
  • the body has, under the stop wall, an internal shoulder capable of retract in contact with the upper bearing end of the upper stroke of said jaw.
  • the spacer has a central bore provided with locking means in rotation of said pivot.
  • the stop wall is oriented downwards and forwards and has a concave curvature.
  • Another object of the invention is a fastening system comprising a front stop whose jaw is carried by a pivot capable of taking at least two angular positions corresponding to low and high races of adjustment of the jaw adapted respectively to ski boots. alpine and hiking boots.
  • the attachment of the invention offers skiers the possibility of practicing downhill skiing or ski touring by modifying the adjustment of the front stop to adapt to the type of shoes corresponding to the selected ski mode.
  • the invention therefore allows the skier to overcome a total change of equipment, without the security of the binding being compromised or degraded in any way.
  • the arrangements of the front stop are intended to allow a precise and easy manual adjustment of the binding by any person and, in particular, the skier himself, depending on the type of shoe (alpine or hiking) he wants to use.
  • the adjustment operation consists of modifying the configuration of the mechanical connection means of the jaw to the body of the stop so as to increase the amplitude of the vertical stroke of the jaw during the boot.
  • This adjustment operation is carried out quickly by means of a simple screwdriver, if necessary with the possibility of permanently viewing the result obtained and, in particular, the position of the jaw relative to the sidewalk of his shoes and the clamping force.
  • the abutment of the invention shown in the figures is intended to equip fixing systems for ski boards S. This stop is provided with adjustment means for adapting it to both alpine ski boots and ski touring boots.
  • base E for mounting on the ski and a body C supporting a movable jaw 1 for engaging with the sidewalk T of a shoe.
  • base and body can be made in one piece or in independent form.
  • the jaw 1 is carried by a pivot 2 extending substantially vertically.
  • This pivot 2 is in articulated connection with a longitudinal tie L equipped with a return spring R, here helical, arranged longitudinally in the body, around the tie L.
  • the pivot 2 is fixed and wedged vertically at its lower end by a punch or an axial punch P integral with the jaw 1 ( figure 2 ) while maintaining its freedom of rotation on itself.
  • the jaw 1 is thus connected to the body C only thanks to the articulated connection between the tie L and the pivot 2.
  • the jaw 1 is formed of two symmetrical arms 1a, 1b.
  • Each of the arms 1a, 1b is mounted on the pivot 2 via two respectively upper bearings 10a, 10b and lower 11a, 11b.
  • the first arm 1a is carried by the bearings 10a, 11a while the second arm 1b is carried by the bearings 10b, 11b.
  • the difference between its bearings is identical. If a predetermined stress level is exceeded by setting the spring R, the two arms are thus capable of pivoting radially outwards about a substantially vertical axis.
  • the threshold of constraints for triggering pivoting is adjustable to adapt to both the weight of the skier and his ski level. This threshold is usually reached in the event of a fall of the skier who then releases almost instantaneously.
  • the pivoting causes the opening of one of the arms of the jaw 1 and releases the right of way of the sidewalk to allow ejection of the shoe.
  • the arms can also pivot upwardly about a substantially horizontal axis passing through the connection between the pivot and the tie rod.
  • connection between the tie rod L and the pivot 2 is made by engagement of the rod 21 of the pivot 2 in an eyelet A formed through the tie rod in the vicinity of its rear end.
  • the section of the pivot 2 has a necking 20 which extends below and above its connection section with the tie rod L. This shrinkage is therefore always positioned in the eyelet A regardless of the relative angular position of the pivot and pulling.
  • the tie L is always inclined downwards and forwards.
  • the profile of the eyelet A is substantially cylindrical and its diameter is greater than that of the section of the rod 21 of the pivot 2 on the height of its necking 20.
  • the shrinkage 20 has, meanwhile, a concave hyperbolic profile forming a guide surface for the sliding movement of the pivot 2 in the eyelet A.
  • the section of the necking is asymmetrical and its radius r1, r2 varies from 1.5 to 3 mm between its central part which is the narrowest and its upper and lower ends which correspond to the full diameter of the rod 21 (in dotted lines on the Figure 5B ).
  • the eccentricity of the section of the necking 20 is designed such that its smaller radius r1 is located on the same side as the boss 31 of the spacer 3.
  • the shrink 20 is positioned in the eyelet A so that its small radius r1 is located at the rear of the pivot 2, in the hiking position of the stop.
  • the thickness of the pivot relative to its central axis in the area of the eyelet A is lower on the rear side than on the front side. The movement of the pivot and the concomitant movement of the jaw upwards can thus be effected by limiting the compression of the spring R.
  • the height of the necking varies on its periphery and is between 3 and 8 mm, its greatest height being located at the right of the first boss 31 of the spacer.
  • the diameter of the eyelet is between 5 and 7 mm to ensure a displacement of the pivot, relative to its rest position, in a range of 0 to 10 ° and its thickness is between 2 and 5 mm with edges in sharp edge.
  • this connection forms a joint allowing the deflection of the pivot 2 in the vertical plane and, consequently, the tilting upwards or downwards of the jaw 1 which is integral with the pivot. In general, this tilting is translated by a rise or a descent of the jaw thus allowing its adaptation to different heights of sidewalks as well as various footwear soles profiles.
  • the pivot 2 carries at least two abutment elements cooperating with an internal stop wall formed on the body and each acting in a precise configuration of the jaw in alpine mode or hiking mode.
  • the first abutment element consists of a spacer 3 while the second abutment element consists of the bearing 10a.
  • the spacer 3 which carries the two abutment elements.
  • the spacer 3 in certain circumstances which will be detailed below, is likely to end against the wall 4.
  • the spacer 3 takes, by rotation of the pivot 2 on itself, separate angular positions. corresponding, respectively, to jaw races 1 of different amplitudes in the vertical direction.
  • the spacer 3 is secured to the pivot 2 by being provided here with a central bore 30 ( Figure 5A ) in which the rod 21 of the pivot is clamped.
  • the lateral facets of the parallelepiped profile of the bore 30 form rotational locking means of the pivot. It would however be possible to provide, according to a variant of the invention not shown, that the stem of the pivot 2 and the spacer 3 consist of a single piece.
  • the spacer 3 is mounted on the pivot 2, preferably above the two upper bearings 10a, 10b of the arms 1a, 1b.
  • the spacer 3 is formed of a roller. This roller has here, on its periphery, two bosses 31, 32 diametrically opposed.
  • bosses act, occasionally, in the manner of cams coming into bearing contact against the inclined wall 4 of the body C.
  • Each of the two bosses 31, 32 corresponds to a particular stroke of the jaw 1 in the vertical direction.
  • the boss 31 thus corresponds to a vertical stroke of short amplitude called “low” race while the boss 32 corresponds to a vertical stroke of long amplitude so-called "high” stroke.
  • the amplitude of the so-called low run corresponds to the adjustment of the front stop for the attachment of an alpine ski boot, the heel of the sole being substantially flat.
  • This stroke (of the order of 2 mm) corresponds to the maximum possible displacement of the jaw 1 between its low alpine position ( figure 3A ) and its extreme high road position ( figure 3B ) with a shoe to Alpine Standard ISO 3555.
  • the amplitude of the so-called high run is adapted to a ski touring shoe whose sidewalk is raised with respect to the sidewalk of an alpine ski boot because its sole has a convex profile said to "unwound".
  • the high stroke (of the order of 5 to 10 mm) therefore corresponds to the maximum displacement of the jaw between its lower position of non-paved hiking ( Figure 4A ) and its extreme high road position ( Figure 4B ) with a shoe to ISO 9523 Hiking Standard.
  • This extreme position is determined beforehand so as to adapt the stroke of the jaw 1 to any hiking shoe regardless of its brand, given possible dimensional variations between models.
  • the amplitude of the different races is, in all cases, limited by limit stops ensuring the safety of the fastening system.
  • the highest position offered by the stop of the invention will be reached when any of the elements mounted on the pivot 2 (spacer 3 or upper bearing 10a, 10b) will come into operation. stop, directly or indirectly, against the wall 4.
  • the first boss 31 has a thickness and / or a length greater than the thickness and / or the length of the second boss 32.
  • the second boss 32 remains inactive, regardless of the position of the pivot 2 since its radius is determined so that it does not come into contact with any facing element.
  • the second boss 32 has a radius substantially identical to that of the first boss 31 but it is its thickness which is reduced so that it can come into abutment high end against the wall 4.
  • it is the spacer 3 which carries the two abutment elements constituted respectively of the two bosses 31, 32.
  • the gap between the so-called “alpine” Figure 6A ) and the so-called “hike” Figure 6B ) corresponding substantially to the difference in thickness between the two bosses 31, 32.
  • the angle of inclination of the stop wall 4, which delimits the extreme position of the jaw 1 for the different strokes, is oriented towards the front and towards the bottom, as illustrated by the figures.
  • the wall 4 has a concave curvature which cooperates with the rounded profile of the upper edge of the bosses 31, 32.
  • the wall 4 could however have a crenellated profile and / or extend in a horizontal plane.
  • the body C is provided, under the inclined stop wall 4, with a retractable inner member having a shoulder 41 against which the front edge of the upper bearing 10a associated with one of the arms 1a, 1b is capable of coming into contact . If necessary, deformation or displacement of the shoulder 41 forward will provide information on the adjustment of the stop, as described in the patent EP 0 865 806 . This information may be retrieved and displayed by any appropriate means in front of the stop.
  • the roller / spacer 3 has transition sectors 33 whose radius is reduced to facilitate, by reducing the level of stress, the passage of the pivot 2 from one end position to the other ( figure 5 ).
  • the two positions of stable equilibrium of the pivot are arranged here 180 ° from each other.
  • the stability of the two positions of the jaw 1 is therefore essentially due to the peripheral lengths of the sectors of the bosses 31, 32 which tolerate a slight shift.
  • positioning pins could advantageously be made under the head of the pivot in order to cooperate with complementary recesses made on the arms 1a, 1b of the jaw 1.
  • the pivot 2 is disposed in a vertical housing delimited between the body C and the jaw 1.
  • the pivot has, at its upper end, an enlarged head 22 ensuring the wedging of the spacer 3 in the upper part of the rod 21.
  • This head is accessible from outside the stop.
  • the head 22 has an upper groove 23 to allow rotation of the pivot by screwing by means of the blade of a screwdriver.
  • the head of the pivot is provided with a gripping member for its rotation by manual action.
  • the groove 23 is advantageously made with an arrow profile ( figure 1 ) to inform the skier on the position of the stop.
  • the head 22 is asymmetrical. Indeed, it has a protruding rod 22a located on the diametrically opposite side of the boss 31 of the spacer 3.
  • the rod 22a comes into wedging support, in the lower alpine position of the pivot 2 ( figure 3A ), at the rear against a flank face 12a formed at the upper part of the arms 1A, 1B of the jaw 1 and, in the lower position of the pivot 2 ( Figure 4A ), at the front against a flank face d of the body C.
  • the head 22 is raised a few millimeters by relative to the upper surface of the body C so as to visually indicate to the user that the stop is in the hiking position.
  • the first so-called alpine ski adjustment position corresponds to the Figures 3A and 3B .
  • the figure 3A illustrates the configuration of the stop at rest (without shoe) while the figure 3B corresponds to the configuration of this same abutment engaged with a traditional alpine ski boot.
  • the first boss 31 is disposed in front of the pivot and is immobilized under the inclined wall 4 of the facing body while bearing against the shoulder 41.
  • the jaw 1 is then in the lower alpine position.
  • the sidewalk T of his shoe is forcibly housed under the arms 1a, 1b of the jaw 1 by lifting it, as illustrated by the figure 3B .
  • the torque exerted by the boot thus has the effect of tilting the pivot 2 forward to put the first boss 31 bearing against the inclined wall 4 while retracting the element carrying the shoulder 41. Together, the rod 21 of the pivot 2, by straightening in the eyelet A, pulls back on the tie L compressing the spring R. This stop position corresponds to the end of the "low" stroke of the jaw 1, that is to say at the extreme alpine position.
  • the second adjustment position corresponds to the Figures 4A and 4B .
  • This position is obtained by manually turning the head of the pivot 2 180 ° relative to the position of the figure 3A by means of, for example, the blade of a screwdriver engaged in the groove 23. Because the rod 21 of the pivot is integral with the spacer 3, this rotation has the effect of passing both the second boss 32 and 22a rod forward.
  • the Figure 4A illustrates the configuration of the stop at rest (without shoe) while the Figure 4B corresponds to the configuration of this same abutment engaged with a ski touring shoe whose sidewalk T is, as previously indicated, higher than that of an alpine ski boot.
  • the jaw 1 is then in the low hiking position.
  • This low position is located here (as illustrated by the Figure 4A above the low alpine position (shown on the figure 3A due to the lifting of the pivot 2 over a few millimeters; the ring 22a bearing against the flank face d of the body C.
  • the torque exerted by the boot thus has the effect of tilting the pivot 2 forwardly and upwardly by bringing the bearing 10a closer to the inclined wall 4 while retracting the shoulder 41 as it passes.
  • the spacer 3 escapes the wall 4 and can therefore move freely upwards, its head 22 protruding, in front, beyond the upper face of the body.
  • This stop position corresponds to the end of the upper stroke of the jaw 1.
  • the existing clearance between the contours of the eyelet A and the narrowing 20 of the pivot 2 makes it possible to slightly relieve the spring R and thus to prevent the appearance of too much constraint that would be detrimental to the safety and reliability of the stop.
  • This effect is optimized by the choice of a profile and specific and asymmetrical dimensional characteristics of the necking 20 and a geometry of the eyelet A.
  • the inner contours of the eyelet A are shaped so as to avoid too aggressive contact with the pivot to preserve its integrity and its lifetime.
  • the spacer 3 carries more than two bosses so as to define one or more intermediate positions of the pivot 2 between the alpine and hiking positions and therefore offer jaw runs 1 of different amplitudes between low rest positions and various extreme "roadside" end positions.

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

Description

La présente invention concerne une butée de fixation de ski alpin ainsi qu'un système de fixation équipé d'une telle butée.The present invention relates to an Alpine ski binding stop and a fastening system equipped with such a stop.

L'invention se rapporte, plus particulièrement, à des agencements spécifiques de la butée avant de la fixation de sécurité des chaussures sur un ski permettant de la rendre compatible avec divers équipements.The invention relates, more particularly, to specific arrangements of the abutment before the fixing of safety shoes on a ski to make it compatible with various equipment.

La butée avant des systèmes de fixation connus comprend, notamment et essentiellement, une embase pour le montage sur la face supérieure du ski et un corps pourvu d'une mâchoire mobile destinée à venir en prise avec la partie avant d'une chaussure en étant supportée par un pivot sensiblement vertical articulé sur un tirant longitudinal coopérant avec un ressort de rappel.
Dans une variante de réalisation, la mâchoire est constituée de deux bras symétriques qui sont mobiles en pivotement indépendamment l'un de l'autre.The front stop of the known fastening systems comprises, in particular and essentially, a base for mounting on the upper face of the ski and a body provided with a movable jaw intended to engage with the front part of a boot being supported. by a substantially vertical pivot articulated on a longitudinal tie cooperating with a return spring.
In an alternative embodiment, the jaw consists of two symmetrical arms that are pivotally movable independently of one another.

Un tel système est décrit, notamment, dans le brevet Européen EP 0 865 806 B1 du même titulaire.Such a system is described, in particular, in the European patent EP 0 865 806 B1 the same holder.

Lors du chaussage, le bout de la chaussure vient se loger en appui forcé dans la mâchoire en provoquant sa légère élévation par traction sur le tirant et précompression du ressort.When donning, the tip of the shoe is housed in forced support in the jaw causing its slight rise by pulling on the tie rod and precompression of the spring.

De façon générale, les chaussures de ski comportent une semelle épaisse dont la partie avant présente un rebord en saillie dénommé trottoir qui vient s'engager et se caler dans la mâchoire.
Pour des chaussures destinées à la pratique du ski alpin, ce trottoir présente, quelle que soit la marque de la chaussure, une hauteur standard de l'ordre de 20 mm (norme Alpine ISO 5355).
Aujourd'hui, les butées avant des systèmes de fixation pour la pratique du ski alpin sont toutes conçues en vue de s'adapter à cette dimension devenue normalisée.In general, the ski boots have a thick sole whose front part has a flange. protruding called sidewalk that comes to engage and stall in the jaw.
For shoes intended for the practice of alpine skiing, this sidewalk presents, whatever the brand of the shoe, a standard height of the order of 20 mm (Alpine standard ISO 5355).
Today, the front stops of mountaineering systems for alpine skiing are all designed to adapt to this dimension that has become standardized.

Toutefois, il existe, par ailleurs, des chaussures conçues spécifiquement pour la pratique du ski de randonnée (ou touring) et dont les dimensions du trottoir sont notablement plus importantes (de l'ordre de 30 mm, norme Randonnée ISO 9523).
La structure et les tolérances des systèmes de fixation pour la pratique du ski de randonnée se trouvent généralement adaptées, par conception, à ce type de chaussures.However, there are, moreover, shoes designed specifically for the practice of ski touring (or touring) and whose sidewalk dimensions are significantly larger (of the order of 30 mm, standard Hiking ISO 9523).
The structure and the tolerances of the fastening systems for the practice of ski touring are generally adapted, by design, to this type of shoes.

Par conséquent, compte tenu de leurs différences dimensionnelles avec les chaussures de ski alpin, les chaussures de randonnée ne peuvent pas se chausser dans les systèmes de fixation pour ski alpin qui n'offrent, pour des raisons de sécurité et de fiabilité, qu'une liberté de réglage très limitée de la hauteur de la mâchoire.Consequently, given their dimensional differences with alpine ski boots, hiking boots can not be fitted into Alpine ski binding systems which, for reasons of safety and reliability, offer only very limited freedom of adjustment of the height of the jaw.

Il n'est donc pas possible pour le skieur d'utiliser une même paire de ski ou tout au moins une même fixation pour pratiquer le ski alpin et le ski de randonnée.It is therefore not possible for the skier to use the same pair of skis or at least one attachment for alpine skiing and ski touring.

L'objectif de l'invention est donc de résoudre ce problème technique d'incompatibilité en offrant un système de fixation pourvu de moyens de réglage de la butée avant qui permettent de l'adapter, de façon manuelle, simple et sécurisée, aussi bien à des chaussures de ski alpin qu'à des chaussures de randonnée.The objective of the invention is therefore to solve this technical problem of incompatibility by offering a system of fastener provided with means of adjustment of the front stop which allow to adapt, manually, simple and secure, both alpine ski boots and hiking shoes.

Ce but est atteint au moyen d'une butée, caractérisée en ce que ledit pivot porte au moins deux éléments de butée coopérant avec une paroi interne d'arrêt ménagée sur ledit corps, lesdits éléments de butée prenant, par rotation du pivot sur lui-même, des positions angulaires distinctes correspondant à des courses de ladite mâchoire d'amplitudes, respectivement, courte et longue dans la direction verticale , ledit pivot ayant un débattement dans le plan vertical correspondant à un basculement vers le haut ou vers le bas de ladite mâchoire, permettant ainsi son adaptation à différentes hauteurs de trottoir ainsi qu'à divers profils de semelles de chaussures.This object is achieved by means of a stop, characterized in that said pivot carries at least two stop elements cooperating with an internal stop wall formed on said body, said stop elements taking, by rotation of the pivot on it. same, distinct angular positions corresponding to strokes of said jaw amplitudes, respectively, short and long in the vertical direction, said pivot having a travel in the vertical plane corresponding to a tilting upwards or downwards of said jaw thus enabling it to be adapted to different sidewalk heights as well as various shoe sole profiles.

De préférence, le pivot est accessible depuis l'extérieur.Preferably, the pivot is accessible from the outside.

Selon une première variante avantageuse, l'un desdits éléments de butée est constitué d'une entretoise formée d'un galet présentant, sur son pourtour, au moins deux bossages correspondant à des courses, respectivement, basse et haute de ladite mâchoire.
Selon une autre variante, les deux bossages constituent deux éléments de butée.
De préférence, un premier bossage présente une épaisseur et/ou une longueur telle que la mise en appui dudit bossage sur la paroi inclinée du corps en regard corresponde à la butée de fin de la course basse de ladite mâchoire. Parallèlement, un second bossage présente une épaisseur et/ou une longueur telle que l'entretoise échappe à ladite paroi au moins en fin de la course haute de ladite mâchoire.According to a first advantageous variant, one of said abutment elements consists of a spacer formed of a roller having, on its periphery, at least two bosses corresponding to strokes, respectively, low and high of said jaw.
According to another variant, the two bosses constitute two abutment elements.
Preferably, a first boss has a thickness and / or a length such that the support of said boss on the inclined wall of the facing body corresponds to the end stop of the low stroke of said jaw. In parallel, a second boss has a thickness and / or a length such that the spacer escapes said wall at least at the end of the upper stroke of said jaw.

Selon une autre caractéristique, l'articulation entre le tirant et le pivot est réalisée par engagement dudit pivot dans un oeillet ménagé à l'extrémité arrière dudit tirant.According to another characteristic, the articulation between the tie rod and the pivot is made by engagement of said pivot in an eyelet formed at the rear end of said tie rod.

De préférence, les dimensions de l'oeillet sont supérieures à la section du pivot pour permettre son débattement.Preferably, the dimensions of the eyelet are greater than the section of the pivot to allow its movement.

Selon encore une autre caractéristique, la section dudit pivot présente un rétreint asymétrique au niveau de son articulation avec ledit tirant.According to yet another characteristic, the section of said pivot has an asymmetrical narrowing at its articulation with said tie rod.

Selon une variante, le pivot possède une tête élargie assurant le calage vertical de l'un des éléments de butée et une rainure permettant sa rotation par vissage.According to a variant, the pivot has an enlarged head ensuring the vertical wedging of one of the abutment elements and a groove allowing its rotation by screwing.

Selon une variante, la tête est asymétrique et comporte un jonc destiné à venir en appui contre des faces en dépouille de la mâchoire et du corps.According to a variant, the head is asymmetrical and comprises a ring intended to abut against flank faces of the jaw and the body.

Selon une autre variante, la mâchoire comprend deux bras symétriques montés chacun sur ledit pivot via deux paliers, respectivement, supérieurs et inférieurs et, dans ce cas, l'un desdits éléments de butée est constitué de l'un des paliers supérieurs.According to another variant, the jaw comprises two symmetrical arms each mounted on said pivot via two bearings, respectively, upper and lower and, in this case, one of said stop elements consists of one of the upper bearings.

Dans ce cas, la position haute extrême de la course la plus longue correspond à la mise en butée de l'un des paliers supérieurs contre la paroi d'arrêt.In this case, the extreme high position of the longest stroke corresponds to the abutment of one of the upper bearings against the stop wall.

Selon une autre caractéristique, le corps présente, sous la paroi d'arrêt, un épaulement interne susceptible de s'escamoter au contact du palier supérieur en fin de course haute de ladite mâchoire.According to another characteristic, the body has, under the stop wall, an internal shoulder capable of retract in contact with the upper bearing end of the upper stroke of said jaw.

Selon une variante avantageuse, l'entretoise présente un alésage central pourvu de moyens de blocage en rotation dudit pivot.According to an advantageous variant, the spacer has a central bore provided with locking means in rotation of said pivot.

Selon une variante spécifique, la paroi d'arrêt est orientée vers le bas et vers l'avant et présente une courbure concave.According to a specific variant, the stop wall is oriented downwards and forwards and has a concave curvature.

Un autre objet de l'invention est un système de fixation comprenant une butée avant dont la mâchoire est portée par un pivot susceptible de prendre au moins deux positions angulaires correspondant à des courses basse et haute de réglage de la mâchoire adaptées respectivement aux chaussures de ski alpin et aux chaussures de randonnée.Another object of the invention is a fastening system comprising a front stop whose jaw is carried by a pivot capable of taking at least two angular positions corresponding to low and high races of adjustment of the jaw adapted respectively to ski boots. alpine and hiking boots.

La fixation de l'invention offre aux skieurs, la possibilité de pratiquer le ski alpin ou le ski de randonnée en modifiant le réglage de la butée avant pour l'adapter au type de chaussures correspondant au mode de ski choisi.The attachment of the invention offers skiers the possibility of practicing downhill skiing or ski touring by modifying the adjustment of the front stop to adapt to the type of shoes corresponding to the selected ski mode.

L'invention permet donc au skieur de s'affranchir d'un changement total d'équipement, sans que la sécurité de la fixation soit compromise ou dégradée d'une quelconque façon.The invention therefore allows the skier to overcome a total change of equipment, without the security of the binding being compromised or degraded in any way.

Les agencements de la butée avant sont destinés à permettre un réglage manuel précis et aisé de la fixation par toute personne et, notamment, le skieur lui-même, en fonction du type de chaussure (alpin ou randonnée) qu'il souhaite utiliser.The arrangements of the front stop are intended to allow a precise and easy manual adjustment of the binding by any person and, in particular, the skier himself, depending on the type of shoe (alpine or hiking) he wants to use.

L'opération de réglage consiste à modifier la configuration des moyens mécaniques de raccordement de la mâchoire au corps de la butée de façon à augmenter l'amplitude de la course verticale de la mâchoire lors du chaussage.
Cette opération de réglage s'effectue de façon rapide au moyen d'un simple tournevis, le cas échéant avec la possibilité de visualiser en permanence le résultat obtenu et, en particulier, la position de la mâchoire relativement au trottoir de ses chaussures ainsi que la force de serrage.The adjustment operation consists of modifying the configuration of the mechanical connection means of the jaw to the body of the stop so as to increase the amplitude of the vertical stroke of the jaw during the boot.
This adjustment operation is carried out quickly by means of a simple screwdriver, if necessary with the possibility of permanently viewing the result obtained and, in particular, the position of the jaw relative to the sidewalk of his shoes and the clamping force.

L'invention sera mieux comprise à la lecture de la description qui va suivre, accompagnée des dessins explicités ci-après.

  • La figure 1 représente une vue en perspective d'un mode de réalisation d'une butée avant de fixation selon l'invention.
  • La figure 2 représente une vue en coupe longitudinale de la butée de la figure 1 équipée des moyens de réglage de l'invention en position alpine.
  • Les figures 3A et 3B représentent des vues en coupe partielle du mode de réalisation de la butée des figures 1 et 2 dans la position de réglage en mode alpin, respectivement sans et avec chaussure.
  • Les figures 4A et 4B représentent des vues en coupe partielle du mode de réalisation de la butée des figures 1 et 2 dans la position de réglage en mode randonnée, respectivement sans et avec chaussure.
  • La figure 5A représente une vue de dessus de l'entretoise et la figure 5B une vue en coupe du pivot au niveau du plan médian du rétreint et en position alpine de la butée de l'invention.
  • Les figures 6A et 6B représentent des vues partielles en coupe d'une variante de réalisation de la butée de l'invention respectivement dans les positions de réglage en mode alpin et en mode randonnée (sans chaussure).
  • Les figures 7A, 7B représentent des vues partielles en coupe et schématiques des principaux éléments constitutifs de la butée de l'invention dans leurs positions de repos (traits pleins) et dans leurs positions extrêmes (pointillés), respectivement pour le mode alpin (Fig. 7A) et pour le mode randonnée (Fig. 7B).
The invention will be better understood on reading the description which follows, accompanied by the drawings explained below.
  • The figure 1 represents a perspective view of an embodiment of a fixing front stop according to the invention.
  • The figure 2 represents a longitudinal sectional view of the abutment of the figure 1 equipped with adjustment means of the invention in alpine position.
  • The Figures 3A and 3B represent partial sectional views of the embodiment of the stop of the figures 1 and 2 in the adjustment position in alpine mode, respectively without and with shoe.
  • The Figures 4A and 4B represent partial sectional views of the embodiment of the stop of the figures 1 and 2 in the adjustment position in hiking mode, respectively without and with shoe.
  • The Figure 5A represents a top view of the spacer and the Figure 5B a sectional view of the pivot at the median plane of the narrowing and alpine position of the stop of the invention.
  • The Figures 6A and 6B are partial sectional views of an alternative embodiment of the abutment of the invention respectively in the adjustment positions in alpine mode and hiking mode (without shoe).
  • The Figures 7A, 7B are partial sectional and schematic views of the main components of the abutment of the invention in their rest positions (solid lines) and in their extreme positions (dotted), respectively for the alpine mode ( Fig. 7A ) and for the hiking mode ( Fig. 7B ).

La butée de l'invention représentée sur les figures est destinée à équiper des systèmes de fixation pour planches de ski S.
Cette butée est pourvue de moyens de réglage permettant de l'adapter aussi bien aux chaussures de ski alpin qu'aux chaussures de ski de randonnée.The abutment of the invention shown in the figures is intended to equip fixing systems for ski boards S.
This stop is provided with adjustment means for adapting it to both alpine ski boots and ski touring boots.

Il comprend une embase E pour le montage sur le ski et un corps C supportant une mâchoire 1 mobile destinée à venir en prise avec le trottoir T d'une chaussure.
Ces pièces (embase et corps) peuvent être réalisées monobloc ou sous forme indépendante.It comprises a base E for mounting on the ski and a body C supporting a movable jaw 1 for engaging with the sidewalk T of a shoe.
These parts (base and body) can be made in one piece or in independent form.

Comme décrit dans le brevet EP 0 865 806 B1 du même titulaire auquel la présente description se réfère à titre d'arrière-plan technologique, la mâchoire 1 est portée par un pivot 2 s'étendant de façon sensiblement verticale.
Ce pivot 2 est en liaison articulée avec un tirant longitudinal L équipé d'un ressort de rappel R, ici hélicoïdal, disposé longitudinalement dans le corps, autour du tirant L.
Le pivot 2 est fixé et calé verticalement à son extrémité inférieure par un pointeau ou un poinçon axial P solidaire de la mâchoire 1 (figure 2) tout en conservant sa liberté de rotation sur lui-même.
La mâchoire 1 n'est donc raccordée au corps C que grâce à la liaison articulée entre le tirant L et le pivot 2.As described in the patent EP 0 865 806 B1 of the same holder to which the present description refers as a technological background, the jaw 1 is carried by a pivot 2 extending substantially vertically.
This pivot 2 is in articulated connection with a longitudinal tie L equipped with a return spring R, here helical, arranged longitudinally in the body, around the tie L.
The pivot 2 is fixed and wedged vertically at its lower end by a punch or an axial punch P integral with the jaw 1 ( figure 2 ) while maintaining its freedom of rotation on itself.
The jaw 1 is thus connected to the body C only thanks to the articulated connection between the tie L and the pivot 2.

Dans le mode de réalisation représenté, la mâchoire 1 est formée de deux bras symétriques 1a, 1b.
Chacun des bras 1a, 1b est monté sur le pivot 2 via deux paliers respectivement supérieurs 10a, 10b et inférieurs 11a, 11b. Le premier bras 1a est porté par les paliers 10a, 11a tandis que le second bras 1b est porté par les paliers 10b, 11b. Pour chaque bras, l'écart entre ses paliers est donc identique.
En cas de dépassement d'un niveau de contraintes préalablement établi par tarage du ressort R, les deux bras sont donc susceptibles de pivoter radialement vers l'extérieur autour d'un axe sensiblement vertical.
Le seuil de contraintes pour le déclenchement du pivotement est réglable pour s'adapter à la fois au poids du skieur et à son niveau de ski. Ce seuil est généralement atteint en cas de chute du skieur qui déchausse alors de façon quasi-instantanée.In the embodiment shown, the jaw 1 is formed of two symmetrical arms 1a, 1b.
Each of the arms 1a, 1b is mounted on the pivot 2 via two respectively upper bearings 10a, 10b and lower 11a, 11b. The first arm 1a is carried by the bearings 10a, 11a while the second arm 1b is carried by the bearings 10b, 11b. For each arm, the difference between its bearings is identical.
If a predetermined stress level is exceeded by setting the spring R, the two arms are thus capable of pivoting radially outwards about a substantially vertical axis.
The threshold of constraints for triggering pivoting is adjustable to adapt to both the weight of the skier and his ski level. This threshold is usually reached in the event of a fall of the skier who then releases almost instantaneously.

Ainsi, dans le cas d'une chute en torsion du skieur, le pivotement provoque l'ouverture de l'un des bras de la mâchoire 1 et libère l'emprise du trottoir pour permettre l'éjection de la chaussure.
Dans le cas d'une chute du skieur vers l'arrière, les bras peuvent également pivoter, vers le haut autour d'un axe sensiblement horizontal passant par la liaison entre le pivot et le tirant.Thus, in the case of a fall in torsion of the skier, the pivoting causes the opening of one of the arms of the jaw 1 and releases the right of way of the sidewalk to allow ejection of the shoe.
In the case of a fall of the skier backwards, the arms can also pivot upwardly about a substantially horizontal axis passing through the connection between the pivot and the tie rod.

La liaison entre le tirant L et le pivot 2 est réalisée par engagement de la tige 21 du pivot 2 dans un oeillet A ménagé au travers du tirant au voisinage de son extrémité arrière.The connection between the tie rod L and the pivot 2 is made by engagement of the rod 21 of the pivot 2 in an eyelet A formed through the tie rod in the vicinity of its rear end.

La section du pivot 2 présente un rétreint 20 qui se prolonge en-dessous et au-dessus de son tronçon de liaison avec le tirant L. Ce rétreint se trouve donc toujours positionné dans l'oeillet A quelle que soit la position angulaire relative du pivot et du tirant.
De manière générale, comme représenté sur les figures, le tirant L est toujours incliné vers le bas et vers l'avant. Le profil de l'oeillet A est sensiblement cylindrique et son diamètre est supérieur à celui de la section de la tige 21 du pivot 2 sur la hauteur de son rétreint 20.The section of the pivot 2 has a necking 20 which extends below and above its connection section with the tie rod L. This shrinkage is therefore always positioned in the eyelet A regardless of the relative angular position of the pivot and pulling.
In general, as shown in the figures, the tie L is always inclined downwards and forwards. The profile of the eyelet A is substantially cylindrical and its diameter is greater than that of the section of the rod 21 of the pivot 2 on the height of its necking 20.

Comme illustré par la figure 5B, le rétreint 20 présente, quant à lui, un profil concave hyperbolique formant une surface de guidage pour le débattement coulissant du pivot 2 dans l'oeillet A.
De préférence, la section du rétreint est asymétrique et son rayon r1, r2 varie de 1,5 à 3 mm entre sa partie centrale qui est la plus étroite et ses extrémités haute et basse qui correspondent au diamètre plein de la tige 21 (en pointillés sur la figure 5B).As illustrated by Figure 5B , the shrinkage 20 has, meanwhile, a concave hyperbolic profile forming a guide surface for the sliding movement of the pivot 2 in the eyelet A.
Preferably, the section of the necking is asymmetrical and its radius r1, r2 varies from 1.5 to 3 mm between its central part which is the narrowest and its upper and lower ends which correspond to the full diameter of the rod 21 (in dotted lines on the Figure 5B ).

Dans le mode de réalisation représenté, l'excentricité de la section du rétreint 20 est conçue de telle sorte que son plus petit rayon r1 soit situé du même côté que le bossage 31 de l'entretoise 3.
De manière générale, il est prévu que le rétreint 20 soit positionné dans l'oeillet A de façon à ce que son petit rayon r1 soit situé à l'arrière du pivot 2, en position de randonnée de la butée. En d'autres termes, en position de randonnée de la butée, l'épaisseur du pivot par rapport à son axe central dans la zone de l'oeillet A, est plus faible du côté arrière que du côté avant.
Le débattement du pivot et le déplacement concomitant de la mâchoire vers le haut peuvent ainsi s'effectuer en limitant la compression du ressort R.
La hauteur du rétreint varie sur sa périphérie et est comprise entre 3 et 8 mm, sa plus grande hauteur se situant au droit du premier bossage 31 de l'entretoise.
Le diamètre de l'oeillet est compris entre 5 et 7 mm pour assurer un débattement du pivot, par rapport à sa position de repos, dans une plage de 0 à 10 ° et son épaisseur est comprise entre 2 et 5 mm avec des bords en arête vive.In the embodiment shown, the eccentricity of the section of the necking 20 is designed such that its smaller radius r1 is located on the same side as the boss 31 of the spacer 3.
In general, it is provided that the shrink 20 is positioned in the eyelet A so that its small radius r1 is located at the rear of the pivot 2, in the hiking position of the stop. In other words, in the hiking position of the stop, the thickness of the pivot relative to its central axis in the area of the eyelet A is lower on the rear side than on the front side.
The movement of the pivot and the concomitant movement of the jaw upwards can thus be effected by limiting the compression of the spring R.
The height of the necking varies on its periphery and is between 3 and 8 mm, its greatest height being located at the right of the first boss 31 of the spacer.
The diameter of the eyelet is between 5 and 7 mm to ensure a displacement of the pivot, relative to its rest position, in a range of 0 to 10 ° and its thickness is between 2 and 5 mm with edges in sharp edge.

Du fait du jeu existant entre la tige 21 et l'oeillet A, cette liaison forme une articulation autorisant le débattement du pivot 2 dans le plan vertical et, par voie de conséquence, le basculement vers le haut ou vers le bas de la mâchoire 1 qui est solidaire du pivot. De façon générale, ce basculement se traduit par une montée ou une descente de la mâchoire permettant ainsi son adaptation à différentes hauteurs de trottoirs ainsi qu'à divers profils de semelles de chaussures.Due to the existing clearance between the rod 21 and the eyelet A, this connection forms a joint allowing the deflection of the pivot 2 in the vertical plane and, consequently, the tilting upwards or downwards of the jaw 1 which is integral with the pivot. In general, this tilting is translated by a rise or a descent of the jaw thus allowing its adaptation to different heights of sidewalks as well as various footwear soles profiles.

Selon l'invention, le pivot 2 porte au moins deux éléments de butée coopérant avec une paroi interne d'arrêt ménagée sur le corps et agissant, chacun, dans une configuration précise de la mâchoire en mode alpin ou en mode de randonnée.According to the invention, the pivot 2 carries at least two abutment elements cooperating with an internal stop wall formed on the body and each acting in a precise configuration of the jaw in alpine mode or hiking mode.

Dans le mode de réalisation des figures 3A, 3B, 4A et 4B, le premier élément de butée est constitué d'une entretoise 3 tandis que le second élément de butée est constitué du palier 10a.
Dans le mode de réalisation des figures 6A et 6B, c'est l'entretoise 3 qui porte les deux éléments de butée.In the embodiment of Figures 3A , 3B , 4A and 4B , the first abutment element consists of a spacer 3 while the second abutment element consists of the bearing 10a.
In the embodiment of Figures 6A and 6B it is the spacer 3 which carries the two abutment elements.

L'entretoise 3, dans certaines circonstances qui seront détaillées ci-après, est susceptible de venir en butée de fin de course contre la paroi 4. L'entretoise 3 prend, par rotation du pivot 2 sur lui-même, des positions angulaires distinctes correspondant, respectivement, à des courses de la mâchoire 1 d'amplitudes différentes dans la direction verticale.The spacer 3, in certain circumstances which will be detailed below, is likely to end against the wall 4. The spacer 3 takes, by rotation of the pivot 2 on itself, separate angular positions. corresponding, respectively, to jaw races 1 of different amplitudes in the vertical direction.

L'entretoise 3 est rendue solidaire du pivot 2 en étant pourvue ici d'un alésage central 30 (figure 5A) dans lequel la tige 21 du pivot est enserrée.
Les facettes latérales du profil en parallélépipède de l'alésage 30 forment des moyens de blocage en rotation du pivot.
Il serait toutefois possible de prévoir, selon une variante de l'invention non représentée, que la tige du pivot 2 et l'entretoise 3 soient constituées d'une seule pièce.The spacer 3 is secured to the pivot 2 by being provided here with a central bore 30 ( Figure 5A ) in which the rod 21 of the pivot is clamped.
The lateral facets of the parallelepiped profile of the bore 30 form rotational locking means of the pivot.
It would however be possible to provide, according to a variant of the invention not shown, that the stem of the pivot 2 and the spacer 3 consist of a single piece.

L'entretoise 3 est montée sur le pivot 2, de préférence, au-dessus des deux paliers supérieurs 10a, 10b des bras 1a, 1b.
Dans le mode de réalisation représenté sur les figures et, en particulier la figure 5A, l'entretoise 3 est formée d'un galet.
Ce galet présente ici, sur sa périphérie, deux bossages 31, 32 diamétralement opposés.The spacer 3 is mounted on the pivot 2, preferably above the two upper bearings 10a, 10b of the arms 1a, 1b.
In the embodiment shown in the figures and, in particular, the Figure 5A , the spacer 3 is formed of a roller.
This roller has here, on its periphery, two bosses 31, 32 diametrically opposed.

Ces bossages agissent, occasionnellement, à la manière de cames en venant en contact d'appui contre la paroi inclinée 4 du corps C.
Chacun des deux bossages 31, 32 correspond à une course particulière de la mâchoire 1 dans la direction verticale. Le bossage 31 correspond ainsi à une course verticale de courte amplitude dite course « basse » tandis que le bossage 32 correspond à une course verticale d'amplitude longue dite course « haute ».These bosses act, occasionally, in the manner of cams coming into bearing contact against the inclined wall 4 of the body C.
Each of the two bosses 31, 32 corresponds to a particular stroke of the jaw 1 in the vertical direction. The boss 31 thus corresponds to a vertical stroke of short amplitude called "low" race while the boss 32 corresponds to a vertical stroke of long amplitude so-called "high" stroke.

L'amplitude de la course dite basse correspond au réglage de la butée avant pour la fixation d'une chaussure de ski alpin dont les talonnettes de la semelle sont sensiblement plates. Cette course (de l'ordre de 2 mm) correspond au déplacement maximum possible de la mâchoire 1 entre sa position basse alpine non chaussée (figure 3A) et sa position haute extrême chaussée (figure 3B) avec une chaussure à la Norme Alpine ISO 3555.The amplitude of the so-called low run corresponds to the adjustment of the front stop for the attachment of an alpine ski boot, the heel of the sole being substantially flat. This stroke (of the order of 2 mm) corresponds to the maximum possible displacement of the jaw 1 between its low alpine position ( figure 3A ) and its extreme high road position ( figure 3B ) with a shoe to Alpine Standard ISO 3555.

L'amplitude de la course dite haute est adaptée à une chaussure de ski de randonnée dont le trottoir est surélevé par rapport au trottoir d'une chaussure de ski alpin du fait que sa semelle présente un profil convexe dit à « déroulé ».The amplitude of the so-called high run is adapted to a ski touring shoe whose sidewalk is raised with respect to the sidewalk of an alpine ski boot because its sole has a convex profile said to "unwound".

La course haute (de l'ordre de 5 à 10 mm) correspond donc au déplacement maximum de la mâchoire entre sa position basse de randonnée non chaussée (figure 4A) et sa position haute extrême chaussée (figure 4B) avec une chaussure à la Norme Randonnée ISO 9523.The high stroke (of the order of 5 to 10 mm) therefore corresponds to the maximum displacement of the jaw between its lower position of non-paved hiking ( Figure 4A ) and its extreme high road position ( Figure 4B ) with a shoe to ISO 9523 Hiking Standard.

Le passage de la position dite « alpine » à la position dite « randonnée » correspond donc à une augmentation significative de l'amplitude du réglage de la hauteur de la mâchoire pour permettre le chaussage.The passage from the so-called "alpine" position to the so-called "hiking" position corresponds to a significant increase in the amplitude of the adjustment of the height of the jaw to allow footwear.

Lors du chaussage d'une chaussure de randonnée, la mâchoire se déplacera avec une amplitude comprise dans la course haute en prenant une position finale (figure 4B) située en-dessous de la position extrême représentée en pointillés sur la figure 7B et dans laquelle le palier 10a qui constitue le second élément de butée, vient alors en contact contre la paroi 4.When donning a hiking boot, the jaw will move with an amplitude included in the high race taking a final position ( Figure 4B ) located below the extreme position shown in dotted lines on the Figure 7B and in which the bearing 10a which constitutes the second abutment element then comes into contact with the wall 4.

Cette position extrême est déterminée au préalable de façon à pouvoir adapter la course de la mâchoire 1 à toute chaussure de randonnée quelle que soit sa marque, compte tenu de possibles variations dimensionnelles entre modèles.This extreme position is determined beforehand so as to adapt the stroke of the jaw 1 to any hiking shoe regardless of its brand, given possible dimensional variations between models.

L'amplitude des différentes courses est, dans tous les cas, limitée par des butées de fin de course assurant la sécurité du système de fixation.
Ainsi, quel que soit le mode de réglage adopté, la position la plus haute offerte par la butée de l'invention sera atteinte quand l'un quelconque des éléments montés sur le pivot 2 (entretoise 3 ou palier supérieur 10a, 10b) viendra en butée, directement ou indirectement, contre la paroi 4. Dans cet objectif, le premier bossage 31 présente une épaisseur et/ou une longueur supérieure à l'épaisseur et/ou à la longueur du second bossage 32.The amplitude of the different races is, in all cases, limited by limit stops ensuring the safety of the fastening system.
Thus, whatever the mode of adjustment adopted, the highest position offered by the stop of the invention will be reached when any of the elements mounted on the pivot 2 (spacer 3 or upper bearing 10a, 10b) will come into operation. stop, directly or indirectly, against the wall 4. For this purpose, the first boss 31 has a thickness and / or a length greater than the thickness and / or the length of the second boss 32.

Dans la variante des figures 3A, 3B, 4A et 4B, le second bossage 32 reste inactif, quelle que soit la position du pivot 2 puisque son rayon est déterminé de façon à ce qu'il ne vienne au contact d'aucun élément en regard.In the variant of Figures 3A , 3B , 4A and 4B , the second boss 32 remains inactive, regardless of the position of the pivot 2 since its radius is determined so that it does not come into contact with any facing element.

En revanche, dans la variante des figures 6A et 6B, le second bossage 32 présente un rayon sensiblement identique à celui du premier bossage 31 mais c'est son épaisseur qui est réduite de telle sorte qu'il puisse venir en butée de fin de course haute contre la paroi 4.
Dans ce cas, c'est l'entretoise 3 qui porte les deux éléments de butée constitués respectivement des deux bossages 31, 32.
Dans ce cas, l'écart entre la course basse dite « alpine » (figure 6A) et la course haute dite « randonnée » (figure 6B) correspondant sensiblement à la différence d'épaisseur entre les deux bossages 31, 32.On the other hand, in the variant of Figures 6A and 6B , the second boss 32 has a radius substantially identical to that of the first boss 31 but it is its thickness which is reduced so that it can come into abutment high end against the wall 4.
In this case, it is the spacer 3 which carries the two abutment elements constituted respectively of the two bosses 31, 32.
In this case, the gap between the so-called "alpine" Figure 6A ) and the so-called "hike" Figure 6B ) corresponding substantially to the difference in thickness between the two bosses 31, 32.

L'angle d'inclinaison de la paroi d'arrêt 4, qui délimite la position extrême de la mâchoire 1 pour les différentes courses, est orienté vers l'avant et vers le bas, comme illustré par les figures.
De préférence, la paroi 4 présente une courbure concave qui coopère avec le profil arrondi du bord supérieur des bossages 31, 32.
Selon des variantes non représentées, la paroi 4 pourrait toutefois présenter un profil crénelé et/ou s'étendre selon un plan horizontal.The angle of inclination of the stop wall 4, which delimits the extreme position of the jaw 1 for the different strokes, is oriented towards the front and towards the bottom, as illustrated by the figures.
Preferably, the wall 4 has a concave curvature which cooperates with the rounded profile of the upper edge of the bosses 31, 32.
According to variants not shown, the wall 4 could however have a crenellated profile and / or extend in a horizontal plane.

Le corps C est muni, sous la paroi d'arrêt inclinée 4, d'un élément interne escamotable présentant un épaulement 41 contre lequel le bord avant du palier supérieur 10a associé à l'un des bras 1a, 1b est susceptible de venir en contact. Le cas échéant, la déformation ou le déplacement de l'épaulement 41 vers l'avant permettra de fournir une information sur le réglage de la butée, comme décrit dans le brevet EP 0 865 806 .
Cette information pourra être reprise et affichée par tout moyen approprié à l'avant de la butée.The body C is provided, under the inclined stop wall 4, with a retractable inner member having a shoulder 41 against which the front edge of the upper bearing 10a associated with one of the arms 1a, 1b is capable of coming into contact . If necessary, deformation or displacement of the shoulder 41 forward will provide information on the adjustment of the stop, as described in the patent EP 0 865 806 .
This information may be retrieved and displayed by any appropriate means in front of the stop.

Entre les deux bossages 31, 32, le galet/entretoise 3 présente des secteurs 33 de transition dont le rayon est réduit pour faciliter, par réduction du niveau de contraintes, le passage du pivot 2 d'une position extrême à l'autre (figure 5).
Les deux positions d'équilibre stable du pivot sont disposées ici à 180° l'une de l'autre. La stabilité des deux positions de la mâchoire 1 est donc essentiellement due aux longueurs périphériques des secteurs des bossages 31, 32 qui tolèrent un léger décalage.Between the two bosses 31, 32, the roller / spacer 3 has transition sectors 33 whose radius is reduced to facilitate, by reducing the level of stress, the passage of the pivot 2 from one end position to the other ( figure 5 ).
The two positions of stable equilibrium of the pivot are arranged here 180 ° from each other. The stability of the two positions of the jaw 1 is therefore essentially due to the peripheral lengths of the sectors of the bosses 31, 32 which tolerate a slight shift.

Selon une variante non représentée et en vue de renforcer le maintien de ces positions d'équilibre, des ergots de positionnement pourraient avantageusement être réalisés sous la tête du pivot en vue de coopérer avec des évidements complémentaires réalisés sur les bras 1a, 1b de la mâchoire 1.According to a variant not shown and in order to strengthen the maintenance of these equilibrium positions, positioning pins could advantageously be made under the head of the pivot in order to cooperate with complementary recesses made on the arms 1a, 1b of the jaw 1.

Le pivot 2 est disposé dans un logement vertical délimité entre le corps C et la mâchoire 1.The pivot 2 is disposed in a vertical housing delimited between the body C and the jaw 1.

Le pivot présente, à son extrémité supérieure, une tête élargie 22 assurant le calage de l'entretoise 3 en partie haute de la tige 21.
Cette tête est accessible depuis l'extérieur de la butée. La tête 22 possède une rainure supérieure 23 pour permettre la rotation du pivot par vissage au moyen de la lame d'un tournevis.
Selon une variante non représentée, la tête du pivot est pourvue d'un organe de préhension permettant sa rotation par action manuelle.
La rainure 23 est avantageusement réalisée avec un profil en flèche (figure 1) pour renseigner le skieur sur la position de la butée.
Cette flèche vient ainsi en coïncidence avec des repères X, Y (figure 1) indiquant les positions angulaires de ski alpin et de ski de randonnée du pivot 2, qui sont avantageusement gravés ou imprimés sur la face supérieure des bras 1a, 1b de la mâchoire ou à leur voisinage en vue de faciliter l'opération de réglage.The pivot has, at its upper end, an enlarged head 22 ensuring the wedging of the spacer 3 in the upper part of the rod 21.
This head is accessible from outside the stop. The head 22 has an upper groove 23 to allow rotation of the pivot by screwing by means of the blade of a screwdriver.
According to a variant not shown, the head of the pivot is provided with a gripping member for its rotation by manual action.
The groove 23 is advantageously made with an arrow profile ( figure 1 ) to inform the skier on the position of the stop.
This arrow comes into coincidence with marks X, Y ( figure 1 ) indicating the angular positions of alpine skiing and ski touring pivot 2, which are advantageously engraved or printed on the upper face of the arms 1a, 1b of the jaw or in their vicinity to facilitate the setting operation.

Dans la variante représentée sur les figures, la tête 22 est asymétrique.
En effet, elle présente un jonc en saillie 22a situé du côté diamétralement opposé au bossage 31 de l'entretoise 3. Le jonc 22a vient en appui de calage, dans la position basse alpine du pivot 2 (figure 3A), à l'arrière contre une face en dépouille 12a ménagée à la partie supérieure des bras 1A, 1B de la mâchoire 1 et, dans la position basse de randonnée du pivot 2 (figure 4A), à l'avant contre une face en dépouille d du corps C.
Dans cette dernière configuration dite de randonnée non chaussée (représentée en traits pleins sur la figure 7B), la tête 22 est surélevée de quelques millimètres par rapport à la face supérieure du corps C de façon à signaler visuellement à l'utilisateur que la butée est dans la position de randonnée.In the variant shown in the figures, the head 22 is asymmetrical.
Indeed, it has a protruding rod 22a located on the diametrically opposite side of the boss 31 of the spacer 3. The rod 22a comes into wedging support, in the lower alpine position of the pivot 2 ( figure 3A ), at the rear against a flank face 12a formed at the upper part of the arms 1A, 1B of the jaw 1 and, in the lower position of the pivot 2 ( Figure 4A ), at the front against a flank face d of the body C.
In this last so-called non-pavement hiking configuration (represented in solid lines on the Figure 7B ), the head 22 is raised a few millimeters by relative to the upper surface of the body C so as to visually indicate to the user that the stop is in the hiking position.

Le fonctionnement de la butée de l'invention et son mode de réglage vont maintenant être décrits en détail en référence aux figures annexées.The operation of the stop of the invention and its mode of adjustment will now be described in detail with reference to the appended figures.

Dans la disposition représentée sur les figures 3A, 3B, 4A et 4B, la rotation du pivot 2 sur lui-même (dans un sens ou dans l'autre), conduit à deux positions différentes de réglage.In the provision shown on the Figures 3A , 3B , 4A and 4B , rotation of the pivot 2 on itself (in one direction or the other), leads to two different positions of adjustment.

La première position de réglage dite de ski alpin correspond aux figures 3A et 3B.
La figure 3A illustre la configuration de la butée au repos (sans chaussure) tandis que la figure 3B correspond à la configuration de cette même butée en prise avec une chaussure traditionnelle de ski alpin.The first so-called alpine ski adjustment position corresponds to the Figures 3A and 3B .
The figure 3A illustrates the configuration of the stop at rest (without shoe) while the figure 3B corresponds to the configuration of this same abutment engaged with a traditional alpine ski boot.

Dans la position de la figure 3A, le premier bossage 31 est disposé devant le pivot et est immobilisé sous la paroi inclinée 4 du corps en regard en étant en appui contre l'épaulement 41.
La mâchoire 1 est alors en position basse alpine.In the position of the figure 3A , the first boss 31 is disposed in front of the pivot and is immobilized under the inclined wall 4 of the facing body while bearing against the shoulder 41.
The jaw 1 is then in the lower alpine position.

Lorsque le skieur chausse ses skis, le trottoir T de sa chaussure vient se loger en force sous les bras 1a, 1B de la mâchoire 1 en la soulevant, comme illustré par la figure 3B.When the skier is putting on his skis, the sidewalk T of his shoe is forcibly housed under the arms 1a, 1b of the jaw 1 by lifting it, as illustrated by the figure 3B .

Le couple exercé par la chaussure a ainsi pour effet de faire basculer le pivot 2 vers l'avant jusqu'à mettre le premier bossage 31 en appui contre la paroi inclinée 4 tout en escamotant l'élément portant l'épaulement 41. Conjointement, la tige 21 du pivot 2, en se redressant dans l'oeillet A, exerce une traction vers l'arrière sur le tirant L en comprimant très légèrement le ressort R.
Cette position de butée correspond à la fin de la course « basse » de la mâchoire 1 c'est à dire à la position haute extrême alpine.The torque exerted by the boot thus has the effect of tilting the pivot 2 forward to put the first boss 31 bearing against the inclined wall 4 while retracting the element carrying the shoulder 41. Together, the rod 21 of the pivot 2, by straightening in the eyelet A, pulls back on the tie L compressing the spring R.
This stop position corresponds to the end of the "low" stroke of the jaw 1, that is to say at the extreme alpine position.

La seconde position de réglage, dite de ski de randonnée, correspond aux figures 4A et 4B.
Cette position est obtenue en tournant manuellement la tête du pivot 2 de 180° par rapport à la position de la figure 3A au moyen, par exemple, de la lame d'un tournevis engagée dans la rainure 23.
Du fait que la tige 21 du pivot est solidaire de l'entretoise 3, cette rotation a pour conséquence de faire passer à la fois le second bossage 32 et le jonc 22a vers l'avant.The second adjustment position, known as ski touring, corresponds to the Figures 4A and 4B .
This position is obtained by manually turning the head of the pivot 2 180 ° relative to the position of the figure 3A by means of, for example, the blade of a screwdriver engaged in the groove 23.
Because the rod 21 of the pivot is integral with the spacer 3, this rotation has the effect of passing both the second boss 32 and 22a rod forward.

La figure 4A illustre la configuration de la butée au repos (sans chaussure) tandis que la figure 4B correspond à la configuration de cette même butée en prise avec une chaussure de ski de randonnée dont le trottoir T est, comme indiqué précédemment, plus haut que celui d'une chaussure de ski alpin.The Figure 4A illustrates the configuration of the stop at rest (without shoe) while the Figure 4B corresponds to the configuration of this same abutment engaged with a ski touring shoe whose sidewalk T is, as previously indicated, higher than that of an alpine ski boot.

Dans cette position, le second bossage 32 reste libre en étant disposé sans contact avec la paroi inclinée 4 du corps située au-dessus.
La stabilité de cette position est assurée par l'action du ressort R qui a tendance à rappeler les bras 1a, 1b vers le bas.In this position, the second boss 32 remains free by being disposed without contact with the inclined wall 4 of the body above.
The stability of this position is ensured by the action of the spring R which tends to recall the arms 1a, 1b downwards.

La mâchoire 1 est alors en position basse de randonnée.The jaw 1 is then in the low hiking position.

Cette position basse est située ici (telle qu'illustrée par la figure 4A) au-dessus de la position basse alpine (représentée sur la figure 3A, du fait du soulèvement du pivot 2 sur quelques millimètres ; le jonc 22a venant en appui contre la face en dépouille d du corps C.This low position is located here (as illustrated by the Figure 4A above the low alpine position (shown on the figure 3A due to the lifting of the pivot 2 over a few millimeters; the ring 22a bearing against the flank face d of the body C.

Lorsque le skieur chausse ses skis, le trottoir T de sa chaussure de randonnée vient se loger en force sous les bras 1a, 1B de la mâchoire 1 en la soulevant, comme illustré par la figure 4B.When the skier is putting on his skis, the sidewalk T of his hiking shoe is forcibly housed under the arms 1a, 1b of the jaw 1 by lifting it, as illustrated by the Figure 4B .

Le couple exercé par la chaussure a ainsi pour effet de faire basculer le pivot 2 vers l'avant et vers le haut en rapprochant le palier 10a de la paroi inclinée 4 tout en escamotant au passage l'épaulement 41.
Dans ce cas, du fait des dimensions du second bossage 32, l'entretoise 3 échappe à la paroi 4 et peut, dès lors, se déplacer librement vers le haut, sa tête 22 faisant saillie, à l'avant, au-delà de la face supérieure du corps.The torque exerted by the boot thus has the effect of tilting the pivot 2 forwardly and upwardly by bringing the bearing 10a closer to the inclined wall 4 while retracting the shoulder 41 as it passes.
In this case, because of the dimensions of the second boss 32, the spacer 3 escapes the wall 4 and can therefore move freely upwards, its head 22 protruding, in front, beyond the upper face of the body.

Conjointement, la tige 21 du pivot 2, en se redressant dans l'oeillet A, exerce une traction vers l'arrière sur le tirant L en comprimant très légèrement le ressort R.Together, the rod 21 of the pivot 2, by straightening in the eyelet A, pulls back on the tie L by compressing very slightly the spring R.

Cette position de butée correspond à la fin de la course haute de la mâchoire 1.This stop position corresponds to the end of the upper stroke of the jaw 1.

Le jeu existant entre les contours de l'oeillet A et le rétreint 20 du pivot 2 permet de soulager légèrement le ressort R et d'éviter ainsi l'apparition d'une trop grande contrainte qui serait préjudiciable à la sécurité et à la fiabilité de la butée.
Cet effet est optimisé par le choix d'un profil et de caractéristiques dimensionnelles spécifiques et asymétriques du rétreint 20 et d'une géométrie de l'oeillet A.
Les contours intérieurs de l'oeillet A sont conformés de façon à éviter un contact trop agressif avec le pivot pour préserver son intégrité et sa durée de vie.The existing clearance between the contours of the eyelet A and the narrowing 20 of the pivot 2 makes it possible to slightly relieve the spring R and thus to prevent the appearance of too much constraint that would be detrimental to the safety and reliability of the stop.
This effect is optimized by the choice of a profile and specific and asymmetrical dimensional characteristics of the necking 20 and a geometry of the eyelet A.
The inner contours of the eyelet A are shaped so as to avoid too aggressive contact with the pivot to preserve its integrity and its lifetime.

Les contraintes de soulèvement susceptibles d'être exercées sur la chaussure, en particulier, en cas de chute du skieur, conduiraient à un déplacement supplémentaire vers le haut de la mâchoire 1 et, par suite, à un décalage des positions correspondant aux butées respectivement de la course basse ou de la course haute des figures 3B et 4B.The lifting stresses likely to be exerted on the boot, in particular, in the event of a fall of the skier, would lead to an additional displacement upwards of the jaw 1 and, consequently, to a shift of the positions corresponding to the stops respectively of the low run or the high run of the Figures 3B and 4B .

On assisterait alors à un glissement vers le haut du premier bossage 31 (figure 3B) ou du palier supérieur 10a (figure 4B) sur la paroi de guidage 4.
Le niveau de seuil de ces contraintes est déterminé au préalable et est ajusté par tarage du ressort R destiné à compenser la traction du tirant L.We would then witness a sliding up of the first boss 31 ( figure 3B ) or the upper level 10a ( Figure 4B ) on the guide wall 4.
The threshold level of these stresses is determined beforehand and is adjusted by setting the spring R intended to compensate for the pulling of the tie rod L.

Selon des variantes non représentées, il serait possible de prévoir que l'entretoise 3 porte plus de deux bossages de façon à définir une ou plusieurs positions intermédiaires du pivot 2 entre les positions alpine et de randonnée et donc d'offrir des courses de la mâchoire 1 de différentes amplitudes entre des positions basses de repos et diverses positions « chaussées » extrêmes de fin de course vers le haut.According to variants not shown, it would be possible to provide that the spacer 3 carries more than two bosses so as to define one or more intermediate positions of the pivot 2 between the alpine and hiking positions and therefore offer jaw runs 1 of different amplitudes between low rest positions and various extreme "roadside" end positions.

Claims (17)

  1. A front stop of a ski fastening system (S) comprising a base (E) and a body (C) provided with a moving jaw (1) designed to engage with the platform (T) of a shoe while being supported by a substantially vertical pivot (2) articulated on a longitudinal tie rod (L) cooperating with a return spring (R), characterized in that said pivot (2) bears at least two stop elements (3, 10a) cooperating with an inner stop wall (4) arranged on said body, said stop elements (3) assuming, by rotation of the pivot (2) around itself, separate angular positions corresponding to travels of said jaw (1) with short and long amplitudes, respectively, in the vertical direction, said pivot (2) having a travel in the vertical plane corresponding to upward or downward tilting of said jaw (1), thus allowing it to be adapted to different platform heights (T) as well as to various shoe sole profiles.
  2. The stop recording claim 1, characterized in that the pivot (2) is accessible from the outside.
  3. The stop according to claim 1 or 2, characterized in that one of said stop elements is made up of a spacer (3) formed by a roller having, on its perimeter, at least two bosses (31, 32) corresponding to lower and upper travels, respectively, of said jaw (1).
  4. The stop according to claim 3, characterized in that the two bosses (31, 32) constitute two stop elements.
  5. The stop according to one of claims 3 or 4, characterized in that first boss (31) has a thickness and/or a length such that the bearing of said boss on the stop wall (4) of the facing body corresponds to the end-of-travel stop for the lower travel of said jaw (1).
  6. The stop according to claim 3 or 5, characterized in that a second boss (32) has a thickness and/or a length such that the spacer (3) escapes said wall at least at the end of the upper travel of said jaw (1).
  7. The stop according to one of the preceding claims, characterized in that the articulation between the tie rod (L) and the pivot (2) a stumbling meshing of said pivot in an eyelet (A) arranged at the rear end of said tie rod (L).
  8. The stop according to claim 7, characterized in that the dimensions of the eyelet (A) are greater than the section of the pivot (2) to allow its displacement.
  9. The stop according to one of claims 7 or 8, characterized in that the section of the pivot (2) has an asymmetrical narrowing (20) at its articulation with the tie rod (L).
  10. The stop according to one of the preceding claims, characterized in that said pivot (2) has a wider head (22) ensuring the vertical wedging of one of the stop elements (3, 10a) and a slot (23) allowing it to be rotated by screwing.
  11. The stop according to claim 10, characterized in that the head (22) is asymmetrical and includes a ring (22a) designed to bear against tapered faces (12a, d) of the jaw (1) and the body (C).
  12. The stop according to one of the preceding claims, characterized in that the jaw (1) comprises two symmetrical arms (1 a, 1b) each mounted on said pivot (2) via two bearings, upper (10a, 10b) and lower (11 a, 11b), respectively.
  13. The stop according to claim 12, characterized in that one of said stop elements is formed by one of the upper bearings (10a).
  14. The stop according to one of claims 12 or 13, characterized in that the body (C) has, below the stop wall (4), an inner shoulder (41) able to retract in contact with the upper bearing (10a) at the upper end of travel of said jaw (1).
  15. The stop according to one of claims 3 to 6, characterized in that spacer (3) has a central bore (30) provided with rotational locking means of the pivot (2).
  16. The stop according to one of the preceding claims, characterized in that the stop wall (4) is oriented downward and forward and has a concave curve.
  17. A fastening system comprising a front stop according to one of claims 1 to 16, able to assume at least two angular positions corresponding to lower and upper adjustment travel of the jaw respectively adapted to alpine ski boots and trail running shoes.
EP13193115.6A 2012-11-16 2013-11-15 Ski binding abutment and binding system provided with such an abutment Active EP2732857B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1260935A FR2998187B1 (en) 2012-11-16 2012-11-16 SKI FIXING STOP AND FASTENING SYSTEM EQUIPPED WITH SUCH A FASTENING

Publications (2)

Publication Number Publication Date
EP2732857A1 EP2732857A1 (en) 2014-05-21
EP2732857B1 true EP2732857B1 (en) 2016-03-23

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EP13193115.6A Active EP2732857B1 (en) 2012-11-16 2013-11-15 Ski binding abutment and binding system provided with such an abutment

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EP (1) EP2732857B1 (en)
FR (1) FR2998187B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT18341U1 (en) * 2022-05-12 2024-10-15 Tyrolia Tech Gmbh Front jaw of a safety ski binding and safety ski binding

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2694206B1 (en) * 1992-07-31 1994-09-02 Salomon Sa Safety binding for ski.
FR2759603B1 (en) * 1997-02-20 1999-04-23 Look Fixations Sa SECURITY ATTACHMENT OF THE END BEFORE A SHOE

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FR2998187A1 (en) 2014-05-23
EP2732857A1 (en) 2014-05-21
FR2998187B1 (en) 2014-12-19

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