EP2527015A1 - Heelpiece of a safety binding for ski boot - Google Patents
Heelpiece of a safety binding for ski boot Download PDFInfo
- Publication number
- EP2527015A1 EP2527015A1 EP12169308A EP12169308A EP2527015A1 EP 2527015 A1 EP2527015 A1 EP 2527015A1 EP 12169308 A EP12169308 A EP 12169308A EP 12169308 A EP12169308 A EP 12169308A EP 2527015 A1 EP2527015 A1 EP 2527015A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heel
- projection
- axis
- movable body
- ski boot
- 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
Links
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- 238000009739 binding Methods 0.000 title abstract description 4
- 230000000295 complement effect Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 208000031968 Cadaver Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
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- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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- 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
- A63C9/084—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable
- A63C9/0844—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable the body pivoting about a transverse axis
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- 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
- A63C9/084—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable
- A63C9/0846—Details of the release or step-in mechanism
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- 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
- A63C9/084—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable
- A63C9/0848—Structure or making
Definitions
- the invention relates to a "sliding body" type safety binding heel for a ski boot, that is to say a device intended to securely hold the back of a shoe on a ski by exerting a pressing on the heel of the shoe while pressing forward the entire boot against a device before abutment, while ensuring an automatic release of the heel of the boot in case of falling before the skier under the effect of the application by the heel on the heel of a triggering force greater than a predetermined threshold.
- a fixing device comprising a stop for receiving the front portion of a ski boot and such a heel, and a ski on which is fixed such a heel.
- a first family of heels is based on a fixed body comprising the trigger mechanism of the heel and a very simple separate element, rotatable relative to this body, lever type, comprising at its front end a jaw to grab the heel of the ski boot.
- the rotation of this lever relative to the fixed body allows the heel to occupy two closed and open positions respectively fix or release the heel of the shoe.
- this family of fixing heel has the main disadvantage that the essential functions of the fastener, namely the position adjustment function and the release function, are united in a single body, which makes the design and the design difficult. interview.
- the present invention is concerned with a second family of heels; said "moving body", which rests on a movable body that can occupy a closed position and an open position, and which incorporates a trigger mechanism.
- This movable body comprises at its front end a jaw to grip the heel of a shoe in the closed position and in its rear part the trigger mechanism that allows to release the back of the shoe in case of significant effort as it is the case in a skier's fall forward.
- the body is pivotally mounted about a suspended axis connected to the heel, to occupy either the closed position of practice of skiing or the open position in which the skier can remove his shoe from the heel.
- This type of heel described for example by the document EP0893146 , can trigger the fixation to very high efforts, particularly suitable for ski racing.
- the document EP1900400 discloses another solution in which the axis of rotation of the movable body is suspended by its ends by means of two lateral arms extending from the base, in the manner of an inverted U-shaped stirrup. It has a section having significant dimensions, which induces cooperation with a heel grip and a movable body of large volumes and more generally of a very cumbersome heel.
- the hinge pin is externally provided with a trigger surface. Because of the large dimensions of the section of the hinge pin, the known solution to constitute the trigger surface is to develop a shape generally planar flat type, recessed relative to the rest of the cylindrical part constituting the hinge axis.
- the object of the present invention is to propose a heel type of "moving body" according to the second family, that is to say implementing a hinged axis of articulation, which retains the advantages mentioned above but n 'not having the disadvantages.
- the present invention seeks a solution of heel with movable body simpler, lighter, less bulky, and heaving more user-friendly.
- the invention is based on a heel safety fixing for ski boot comprising a movable body pivotally mounted about a hinge pin suspended by two lateral arms connected to a base, the movable body comprising a spring trigger acting on a movable piston cooperating with a trigger surface of the hinge pin, so as to occupy a first position corresponding to a closed position of the heel piece in which a heel catch arranged at one end of the movable body is intended to hold the heel of a ski boot on the ski, and to be able to occupy a second position corresponding to an open position of the heel, characterized in that the triggering surface is formed by a protrusion disposed in relief relative to the rest of the hinge axis.
- the hinge axis can be formed in a generally cylindrical part, the ratio between the radius (r1) of the hinge axis at the level of the projection top and the radius (r2) on the rest of the axis. of articulation is greater than 1.5, or greater than 1.7.
- the projection may extend over at least a portion of the length of the hinge pin in the transverse direction y and extends longitudinally substantially toward the rear of the heel.
- the movable body may comprise a through opening of non-circular shape to receive the hinge pin with its projection, and this opening may be at least partially covered by an arm.
- the projection may have a generally triangular section, with a rounded vertex surrounded by two respectively upper and lower slopes.
- the upper slope may be rectilinear and extend substantially in the longitudinal direction (x).
- the direction (D1) of the upper slope can form an angle ( ⁇ 1) less than 20 degrees relative to a horizontal plane (P).
- the lower slope may be rectilinear and extend in a direction (D2) inclined approaching the base by going longitudinally towards the front of the heel.
- the side arms may define a space between the transverse ends of the projection and themselves so as to receive a portion of the movable body.
- the side arms may include openings for receiving an end of the hinge pin.
- the openings of the side arms may be of smaller section than the section of the hinge pin at its projection so that this hinge axis can not pass through an opening.
- the hinge axis can be locked transversely at each lateral arm by a stop washer reported in the opening of the arm, the washer being equipped on the periphery of its inner face with a double series of elements of blocking in cooperating rotation respectively with locking elements of the opening of the side arms and with complementary locking elements related to the hinge axis.
- the hinge pin may be of plastic material, or fiber reinforced plastic material.
- the hinge axis may adopt a generally tubular shape and a reinforcing insert may be disposed within the hinge axis so as to strengthen the heel.
- the invention also relates to a device for attaching a ski boot to a ski, comprising a stop for receiving the front portion of a ski boot, and characterized in that it comprises a heel piece as described hereinabove. to receive the back of the ski boot.
- the invention also relates to a ski comprising a heel safety fastening for ski boot as described above.
- the longitudinal direction x as the horizontal direction extending from the front to the rear of the heel
- the transverse direction y the horizontal direction perpendicular to the direction x
- the vertical direction z perpendicular to the horizontal plane defined by the x and y axes, pointing upwards.
- the heel 10 comprises a movable tubular body 11 pivotally mounted about a hinge pin secured to a carriage by its lateral ends.
- the carriage is adapted for mounting on a ski, by means of slides arranged on the lateral parts of a lower base 12 of the carriage, in order to allow the adjustment of its longitudinal position on a ski to adapt it to different sizes. shoes.
- the movable body 11 comprises in its front part a jaw or "gripping heel" 13 adapted to maintain the standardized rear heel of a ski boot.
- the movable body 11, more particularly visible on the Figures 1 to 4 encloses a trigger mechanism that allows the automatic passage of the heel of the ski closed position configuration, shown on the Figures 1 and 2 , in the open position represented in the Figures 3 and 4 , in which the ski boot can escape from the heel grip, in particular the heel grip 13.
- This triggering is automatically implemented in the case of a triggering force transmitted by the heel of the boot to the heel.
- heel gripper 13 which is greater than a predetermined threshold, for example in the event of the skier falling forward.
- the movable body 11 passes from the closed configuration corresponding to the closed position of the heel piece 10 to the open configuration corresponding to the open position of the heel piece by a pivoting movement relative to the carriage, about an articulation axis 14.
- the movable body 11 comprises various elements in its interior volume, among which a release spring 15 bears against the abutment 16 in the upper rear part of the body 11 and bears on a piston 17 to its other end.
- This piston 17 cooperates with a triggering surface 18 provided on the hinge axis, detailed below.
- the triggering threshold can be modified in known manner by modifying the degree of compression of the spring 15 by a set screw 19 positioned at the rear end of the movable body 11 and able to move the stopper 16 internally along the movable body 11.
- the movable body 11 thus has the particularity of being sealed downwardly, from its gripping heel 13 to the entire stroke of the piston 17.
- a bottom 33 can be attached sealingly and removable inside. the heel gripper 13 on the movable body 11 to close an opening for mounting the release mechanism inside the movable body 11.
- the trigger surface 18 is carried externally by the hinge pin 14, which is suspended, that is to say, maintained on the base only at its two lateral ends and not in its central part, by two lateral arms 20 which each extend from the base 12 being offset from each other in the transverse direction y by a spacing substantially equal to the width of the heel gripper.
- the lateral arms 20 have the essential function of taking up and supporting the forces transmitted to the hinge pin 14 at the trigger surface 18 under the action of its cooperation with the piston 17 mobile, the spring 15 acting on it piston during its movement relative to the triggering surface 18.
- An essential characteristic of the concept of the invention consists in providing that the triggering surface 18 is formed by a projection 21 of the hinge pin, which is particularly visible on the figures 2 , 4 and 9 .
- This projection is at least at the central portion of the hinge axis, is oriented towards the rear of the heel so as to cooperate with the piston of the trigger mechanism, generally on the side opposite to the gripping heel 13 relative to the hinge axis 14. It forms a raised volume outside the cylinder in which the portion of the hinge axis disposed towards the front of the heel piece.
- the projection 21 is thus arranged in relief relative to the rest of the hinge axis 14. It is particularly visible on the Figures 6 and 7 .
- the hinge axis 14 may in particular extend over at least a part of the length of the hinge axis 14 in the transverse direction y.
- its section is constant along the hinge axis 14. It performs an additional function of reinforcing the hinge pin 14 in the manner of a stiffening rib in addition to its function main trigger.
- the rigidity thus provided by the projection 21 advantageously makes it possible to provide relatively small dimensions of the section of the hinge axis 14 outside the projection area.
- a lightweight and economical material such as a simple plastic for example, possibly reinforced with glass fibers or any equivalent. This solution also becomes less expensive than the solutions of the state of the art which require the use of a metal part.
- the projection thus advantageously belongs to the hinge axis, forms a single element with this axis, a monolithic assembly.
- it may be a separate part of the hinge axis but fixed only on the axis of articulation, the latter being for example cylindrical or quasi-cylindrical, to obtain a substantially equivalent final result.
- the projection 21 may be shaped so as to present, in a cutting plane (x, z) having a normal oriented in the transverse direction y, a generally triangular section, with a rounded top 22 forming a cusp on which the piston stay pressed in the open position. It is surrounded by two slopes 23, 24 respectively upper and lower.
- the piston bears on the upper slope 23 in the closed position of the heel.
- the general shape of each of these slopes can be any as long as it is adapted to the desired function, for example of concave or convex shape.
- the upper slope 23 may be rectilinear, so that the triggering surface 18 has a planar upper surface.
- the lower slope 24 may be rectilinear, or may comprise a larger volume of material, extending downwardly under the straight line D2 for example, so as to stiffen the hinge axis.
- the shape, the length and the orientation of the slopes 23, 24 can be modulated according to the desired result in terms of the triggering characteristics (for example the value of the triggering threshold predetermined, or the angular amplitude of the movable body 11).
- the triggering characteristics for example the value of the triggering threshold predetermined, or the angular amplitude of the movable body 11.
- the upper slope 23 is rectilinear, it can extend substantially in the longitudinal direction x, its direction D1 being able to form an angle ⁇ 1 less than 20 degrees with respect to a horizontal plane (x, y) marked P.
- a compromise is chosen for the shape of the projection and the piston with which it cooperates to obtain the optimal triggering operation.
- the hinge axis 14 can be formed in a generally cylindrical part with the exception of the portion provided with the projection 21.
- the ratio between the radius r1 of the hinge axis at the level of the projection 22 of the projection 21 and the radius r2 on the rest of the hinge axis 14, measured in particular in the direction towards the front of the heel, may be greater than 1.5, or even greater than 1.7: these choices represent a good compromise, allow to use a low stiffness spring and achieve a lower heaving effort.
- This force is that to be applied to the end of the movable body 11 to manually control the passage of the closed position to the open position of the heel 10.
- This compromise facilitates the use by the skier, while maintaining the usual trigger thresholds as defined by the ISO 9462.
- the radius r1 may be of the order of 18 mm while the radius r2 may be of the order of 10 mm.
- the hinge pin 14 may adopt a generally tubular shape, ie internally defining a bore allowing it to receive a reinforcing insert 25, solid or hollow, disposed inside the axis 14, so as to strengthen the heel piece 10.
- the figure 9 illustrates further that the lateral arms 20 may delimit a space between the transverse ends of the projection 21 and themselves so as to receive the movable body 11.
- the figure 5 shows for this purpose that the movable body 11 is equipped in its front part with a generally closed housing except for two openings 26 formed transversely in the lateral flanks of this housing to allow the shaft 14 to pass through the movable body 11 through and through this housing.
- Each of the spaces between an arm 20 and a projecting end 21 is intended to receive a lateral flank of the housing.
- the side arms 20 comprise openings 27 for receiving the ends of the hinge pin.
- the latter is blocked transversely at each lateral arm 20 by a lock washer 28 (illustrated in FIG. figure 8 in detail) reported in the opening 27 of the arm.
- the inner face of the washer 28 is equipped on its periphery with rotational locking elements 29, for example in the form of notches, cooperating with complementary locking elements 30 arranged on the periphery of the opening 27 of the arms 20.
- the inner face of each stop washer 28 is furthermore equipped with additional locking elements 31 on its outer periphery, for example in the form of notches of greater height than the first notches mentioned above, cooperating with complementary locking elements 32 arranged on the outer periphery of the ends of the hinge pin 14.
- the use of such double washers series of locking elements facilitates the assembly of all parts on the two side arms 20, including the assembly of parts 14, 25, 26, 28 particularly visible on the figure 5 in exploded perspective.
- the hinge pin 14 is first inserted into the movable body 11 through the opening 26, then the movable body after its final assembly is integrated from above into force between the arms 20 which are slightly spaced elastically during this operation, then the assembly obtained receives the insertion of the two washers 28 mentioned above for the rotation locking explained above.
- the hinge axis has a length slightly greater than the spacing at rest of the two arms 20.
- the openings 27 of the lateral arms 20 comprise a format independent of that of the hinge pin 14 which does not pass through during assembly of the heel, and may in particular have a smaller section than that of the hinge pin at the projection.
- the opening 26 of the movable body has a non-circular shape to receive the axis and its projection, as is particularly visible on the figure 10 .
- this opening 26 is at least partially covered by the side arms 20 after mounting the heel.
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- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
Description
L'invention concerne une talonnière de fixation de sécurité de type « à corps mobile » pour chaussure de ski, c'est-à-dire un dispositif destiné à maintenir de manière sécurisée l'arrière d'une chaussure sur un ski en exerçant une pression sur le talon de la chaussure tout en pressant vers l'avant l'ensemble de la chaussure contre un dispositif avant de butée, tout en assurant une libération automatique du talon de la chaussure en cas de chute avant du skieur sous l'effet de l'application par le talon sur la talonnière d'un effort de déclenchement supérieur à un seuil prédéterminé.The invention relates to a "sliding body" type safety binding heel for a ski boot, that is to say a device intended to securely hold the back of a shoe on a ski by exerting a pressing on the heel of the shoe while pressing forward the entire boot against a device before abutment, while ensuring an automatic release of the heel of the boot in case of falling before the skier under the effect of the application by the heel on the heel of a triggering force greater than a predetermined threshold.
Elle concerne également un dispositif de fixation comprenant une butée pour recevoir la partie avant d'une chaussure de ski et une telle talonnière, ainsi qu'un ski sur lequel est fixée une telle talonnière.It also relates to a fixing device comprising a stop for receiving the front portion of a ski boot and such a heel, and a ski on which is fixed such a heel.
Une première famille de talonnières, dites « à corps fixe », repose sur un corps fixe comprenant le mécanisme de déclenchement de la talonnière et sur un élément distinct très simple, mobile en rotation par rapport à ce corps, de type levier, comprenant à son extrémité avant une mâchoire pour agripper le talon de la chaussure de ski. La rotation de ce levier par rapport au corps fixe permet à la talonnière d'occuper deux positions fermée et ouverte pour respectivement fixer ou libérer le talon de la chaussure.A first family of heels, called "fixed body", is based on a fixed body comprising the trigger mechanism of the heel and a very simple separate element, rotatable relative to this body, lever type, comprising at its front end a jaw to grab the heel of the ski boot. The rotation of this lever relative to the fixed body allows the heel to occupy two closed and open positions respectively fix or release the heel of the shoe.
Toutefois cette famille de talonnière de fixation présente l'inconvénient principal que les fonctions essentielles de la fixation, à savoir la fonction de réglage en position et la fonction de déclenchement, sont réunies dans un corps unique, ce qui rend délicat la conception et l'entretien.However, this family of fixing heel has the main disadvantage that the essential functions of the fastener, namely the position adjustment function and the release function, are united in a single body, which makes the design and the design difficult. interview.
La présente invention s'intéresse à une seconde famille de talonnières ; dites « à corps mobile », qui repose sur un corps mobile pouvant occuper une position fermée et une position ouverte, et qui intègre un mécanisme de déclenchement. Ce corps mobile comprend à son extrémité avant une mâchoire pour agripper le talon d'une chaussure dans la position fermée et dans sa partie arrière le mécanisme de déclenchement qui permet de libérer l'arrière de la chaussure en cas d'effort important comme c'est le cas dans une chute du skieur vers l'avant. Le corps est monté à pivotement autour d'un axe suspendu lié à la talonnière, pour occuper soit la position fermée de pratique du ski soit la position ouverte dans laquelle le skieur peut retirer sa chaussure de la talonnière. Ce type de talonnière, décrite par exemple par le document
Le document
Toutefois, ce type de talonnière précédemment décrite possède les inconvénients suivants :
- l'axe d'articulation, de par sa grande section et par l'obligation de métal, est lourd, complexe et couteux,
- l'axe d'articulation, de par sa grande section, est encombrant, notamment en direction de l'avant de la talonnière. Il en résulte que le bras de levier de l'agrippe talon est grand, impliquant une obligation de grande raideur du ressort du mécanisme de déclenchement impliquant un corps mobile volumineux et lourd et des difficultés associées au moment du déchaussage.
- the axis of articulation, by its large section and by the obligation of metal, is heavy, complex and expensive,
- the hinge axis, by its large section, is bulky, especially in the direction of the front of the heel. As a result, the lever arm of the heel gripper is large, implying an obligation of great stiffness spring trigger mechanism involving a bulky and heavy mobile body and difficulties associated with the moment of release.
Le but de la présente invention est de proposer une talonnière de type « à corps mobile » selon la seconde famille, c'est-à-dire mettant en oeuvre un axe d'articulation suspendu, qui conserve les avantages mentionnés ci-dessus mais n'en possédant pas les inconvénients.The object of the present invention is to propose a heel type of "moving body" according to the second family, that is to say implementing a hinged axis of articulation, which retains the advantages mentioned above but n 'not having the disadvantages.
Plus précisément, la présente invention recherche une solution de talonnière à corps mobile plus simple, moins lourde, moins volumineuse, et au déchaussage plus convivial.More specifically, the present invention seeks a solution of heel with movable body simpler, lighter, less bulky, and heaving more user-friendly.
A cet effet, l'invention repose sur une talonnière de fixation de sécurité pour chaussure de ski comprenant un corps mobile monté à pivotement autour d'un axe d'articulation suspendu par deux bras latéraux reliés à une embase, le corps mobile comprenant un ressort de déclenchement agissant sur un piston mobile coopérant avec une surface de déclenchement de l'axe d'articulation, de sorte à pouvoir occuper une première position correspondant à une position fermée de la talonnière dans laquelle un agrippe talon agencé à une extrémité du corps mobile est destiné à maintenir le talon d'une chaussure de ski sur le ski, et à pouvoir occuper une deuxième position correspondant à une position ouverte de la talonnière, caractérisée en ce que la surface de déclenchement est formée par une saillie disposée en relief par rapport au reste de l'axe d'articulation.For this purpose, the invention is based on a heel safety fixing for ski boot comprising a movable body pivotally mounted about a hinge pin suspended by two lateral arms connected to a base, the movable body comprising a spring trigger acting on a movable piston cooperating with a trigger surface of the hinge pin, so as to occupy a first position corresponding to a closed position of the heel piece in which a heel catch arranged at one end of the movable body is intended to hold the heel of a ski boot on the ski, and to be able to occupy a second position corresponding to an open position of the heel, characterized in that the triggering surface is formed by a protrusion disposed in relief relative to the rest of the hinge axis.
L'axe d'articulation peut être formé dans une pièce globalement cylindrique, le rapport entre le rayon (r1) de l'axe d'articulation au niveau du sommet de la saillie et le rayon (r2) sur le reste de l'axe d'articulation est supérieur à 1,5, ou supérieur à 1,7.The hinge axis can be formed in a generally cylindrical part, the ratio between the radius (r1) of the hinge axis at the level of the projection top and the radius (r2) on the rest of the axis. of articulation is greater than 1.5, or greater than 1.7.
Le ressort de déclenchement (15) présente une raideur respectant au moins l'une des propriétés suivantes :
- pour un réglage jusqu'à Z12 de la talonnière, la raideur est inférieure à 200 N/mm, ou inférieure à 150 N/mm, ou inférieure ou égale à 120 N/mm ; et/ou
- pour un réglage jusqu'à Z15 de la talonnière, la raideur est inférieure à 300 N/mm, voire inférieure à 200 N/mm, voire inférieure ou égale à 150 N/mm.
- for adjustment up to Z12 of the heel, the stiffness is less than 200 N / mm, or less than 150 N / mm, or less than or equal to 120 N / mm; and or
- for adjustment up to Z15 of the heel, the stiffness is less than 300 N / mm, or even less than 200 N / mm, or even less than or equal to 150 N / mm.
La saillie peut s'étendre sur au moins une partie de la longueur de l'axe d'articulation dans la direction transversale y et s'étend longitudinalement sensiblement en direction de l'arrière de la talonnière.The projection may extend over at least a portion of the length of the hinge pin in the transverse direction y and extends longitudinally substantially toward the rear of the heel.
Le corps mobile peut comprendre une ouverture traversante de forme non circulaire pour recevoir l'axe d'articulation avec sa saillie, et cette ouverture peut être au moins partiellement recouverte par un bras.The movable body may comprise a through opening of non-circular shape to receive the hinge pin with its projection, and this opening may be at least partially covered by an arm.
Dans un plan de coupe ayant une normale orientée dans la direction transversale, la saillie peut présenter une section globalement triangulaire, avec un sommet arrondi entouré de deux pentes respectivement supérieure et inférieure.In a sectional plane having a normal oriented in the transverse direction, the projection may have a generally triangular section, with a rounded vertex surrounded by two respectively upper and lower slopes.
La pente supérieure peut être rectiligne et s'étendre sensiblement dans la direction longitudinale (x).The upper slope may be rectilinear and extend substantially in the longitudinal direction (x).
La direction (D1) de la pente supérieure peut former un angle (α1) inférieur à 20 degrés par rapport à un plan horizontal (P).The direction (D1) of the upper slope can form an angle (α1) less than 20 degrees relative to a horizontal plane (P).
La pente inférieure peut être rectiligne et s'étendre selon une direction (D2) inclinée s'approchant de l'embase en allant longitudinalement vers l'avant de la talonnière.The lower slope may be rectilinear and extend in a direction (D2) inclined approaching the base by going longitudinally towards the front of the heel.
Les bras latéraux peuvent délimiter un espace entre les extrémités transversales de la saillie et eux-mêmes de sorte à pouvoir recevoir une partie du corps mobile.The side arms may define a space between the transverse ends of the projection and themselves so as to receive a portion of the movable body.
Les bras latéraux peuvent comprendre des ouvertures pour recevoir une extrémité de l'axe d'articulation.The side arms may include openings for receiving an end of the hinge pin.
Les ouvertures des bras latéraux peuvent être de section plus petite que la section de l'axe d'articulation au niveau de sa saillie de sorte que cet axe d'articulation ne peut pas passer au travers d'une ouverture.The openings of the side arms may be of smaller section than the section of the hinge pin at its projection so that this hinge axis can not pass through an opening.
L'axe d'articulation peut être bloqué transversalement au niveau de chaque bras latéral par une rondelle d'arrêt rapportée dans l'ouverture du bras, la rondelle étant équipée sur la périphérie de sa face intérieure d'une double série d'éléments de blocage en rotation coopérant respectivement avec des éléments de blocage de l'ouverture des bras latéraux et avec des éléments de blocage complémentaires liés à l'axe d'articulation.The hinge axis can be locked transversely at each lateral arm by a stop washer reported in the opening of the arm, the washer being equipped on the periphery of its inner face with a double series of elements of blocking in cooperating rotation respectively with locking elements of the opening of the side arms and with complementary locking elements related to the hinge axis.
L'axe d'articulation peut être en matériau plastique, ou en matériau plastique renforcé par des fibres.The hinge pin may be of plastic material, or fiber reinforced plastic material.
L'axe d'articulation peut adopter une forme globalement tubulaire et un insert de renfort peut être disposé à l'intérieur de l'axe d'articulation de manière à renforcer la talonnière.The hinge axis may adopt a generally tubular shape and a reinforcing insert may be disposed within the hinge axis so as to strengthen the heel.
L'invention porte aussi sur un dispositif de fixation d'une chaussure de ski sur un ski, comprenant une butée pour recevoir la partie avant d'une chaussure de ski, et caractérisé en ce qu'il comprend une talonnière telle que décrite ci-dessus pour recevoir la partie arrière de la chaussure de ski.The invention also relates to a device for attaching a ski boot to a ski, comprising a stop for receiving the front portion of a ski boot, and characterized in that it comprises a heel piece as described hereinabove. to receive the back of the ski boot.
L'invention porte aussi sur un ski comprenant une talonnière de fixation de sécurité pour chaussure de ski telle que décrite ci-dessus.The invention also relates to a ski comprising a heel safety fastening for ski boot as described above.
D'autres avantages et caractéristiques ressortiront plus clairement de la description qui va suivre de modes particuliers de réalisation de l'invention donnés à titre d'exemples non limitatifs et représentés sur les dessins annexés, dans lesquels :
- les
figures 1 et 2 illustrent un exemple de talonnière selon l'invention en position fermée, respectivement de côté et en coupe longitudinale, - les
figures 3 et 4 illustrent la talonnière en position ouverte, respectivement de côté et en coupe longitudinale, - la
figure 5 est en vue éclatée de la talonnière en perspective, - les
figures 6 et 7 sont des vues de côté et en perspective de l'axe d'articulation de la talonnière des figures précédentes, - la
figure 8 est une vue en perspective d'une rondelle d'arrêt, - la
figure 9 est une vue en perspective du chariot et de l'axe d'articulation utilisés dans la talonnière des figures précédentes, - et la
figure 10 représente une vue de côté du corps mobile de la talonnière.
- the
Figures 1 and 2 illustrate an example of heel according to the invention in the closed position, respectively from the side and in longitudinal section, - the
Figures 3 and 4 illustrate the heel in the open position, respectively from the side and in longitudinal section, - the
figure 5 is in exploded view of the heel in perspective, - the
Figures 6 and 7 are side and perspective views of the axis of articulation of the heel of the preceding figures, - the
figure 8 is a perspective view of a lock washer, - the
figure 9 is a perspective view of the carriage and the hinge pin used in the heel of the preceding figures, - and the
figure 10 represents a side view of the movable body of the heel.
Pour faciliter la compréhension de la suite de la description, nous définissons la direction longitudinale x comme la direction horizontale s'étendant de l'avant vers l'arrière de la talonnière, la direction transversale y la direction horizontale perpendiculaire à la direction x, la direction verticale z perpendiculaire au plan horizontal défini par les axes x et y, orientée vers le haut.To facilitate the understanding of the following description, we define the longitudinal direction x as the horizontal direction extending from the front to the rear of the heel, the transverse direction y the horizontal direction perpendicular to the direction x, the vertical direction z perpendicular to the horizontal plane defined by the x and y axes, pointing upwards.
La talonnière 10 selon le mode d'exécution de l'invention comprend un corps tubulaire mobile 11 monté à pivotement autour d'un axe d'articulation suspendu solidaire d'un chariot par ses extrémités latérales. Le chariot est adapté pour le montage sur un ski, par l'intermédiaire de glissières aménagées sur les parties latérales d'une embase inférieure 12 du chariot, afin de permettre le réglage de sa position longitudinale sur un ski pour l'adapter à différentes pointures de chaussures. Le corps mobile 11 comprend dans sa partie antérieure une mâchoire ou « agrippe talon » 13 adapté pour maintenir le talon arrière normalisé d'une chaussure de ski.The
Le corps mobile 11, plus particulièrement visible sur les
Pour mettre en oeuvre la fonction de déclenchement, le corps mobile 11 comprend différents éléments dans son volume intérieur, parmi lesquels un ressort de déclenchement 15 en appui contre la butée 16 dans la partie supérieure arrière du corps 11 et en appui sur un piston 17 à son autre extrémité. Ce piston 17 coopère avec une surface de déclenchement 18 prévue sur l'axe d'articulation, détaillé ci-après. Le seuil de déclenchement peut être modifié de manière connue en modifiant le degré de compression du ressort 15 par une vis de réglage 19 positionnée à l'extrémité arrière du corps mobile 11 et apte à déplacer la butée 16 intérieurement le long du corps mobile 11. Le corps mobile 11 présente ainsi la particularité d'être fermé de manière étanche vers le bas, de son agrippe talon 13 à l'ensemble de la course du piston 17. Un fond 33 peut être rapporté de manière étanche et amovible à l'intérieur de l'agrippe talon 13 sur le corps mobile 11 pour fermer une ouverture destinée au montage du mécanisme de déclenchement à l'intérieur du corps mobile 11.To implement the tripping function, the
La surface de déclenchement 18 est portée extérieurement par l'axe d'articulation 14, lequel est suspendu, c'est-à-dire maintenu sur l'embase uniquement au niveau de ses deux extrémités latérales et pas dans sa partie centrale, par deux bras latéraux 20 qui s'étendent chacun depuis l'embase 12 en étant décalés l'un de l'autre dans la direction transversale y selon un écartement sensiblement égal à la largeur de l'agrippe talon. Les bras latéraux 20 ont pour fonction essentielle de reprendre et supporter les efforts transmis à l'axe d'articulation 14 au niveau de la surface de déclenchement 18 sous l'action de sa coopération avec le piston 17 mobile, le ressort 15 agissant sur ce piston au cours de son mouvement par rapport à la surface de déclenchement 18.The
Une caractéristique essentielle du concept de l'invention consiste à prévoir que la surface de déclenchement 18 soit formée par une saillie 21 de l'axe d'articulation, particulièrement visible sur les
En référence à la
La forme, la longueur et l'orientation des pentes 23, 24 peuvent être modulées en fonction du résultat recherché en termes de caractéristiques de déclenchement (par exemple la valeur du seuil de déclenchement prédéterminé, ou l'amplitude angulaire du corps mobile 11). Par exemple, en référence à la
En complément et en référence à la
Dans un mode de réalisation avantageux en termes de poids et de simplicité, et comme l'illustre la
Cette construction permet donc finalement de prévoir des dimensions relativement faibles de la section de l'axe d'articulation 14, ce qui réduit les couples transmis sur cet axe puisque cela réduit les phénomènes de bras de levier. Cette réduction des couples transmis sur cet axe présente deux avantages :
- elle facilite le déchaussage de la talonnière puisque l'effort manuel nécessaire est diminué, ce qui rend la solution plus conviviale ;
- elle permet d'utiliser un ressort de raideur plus faible pour la mise en oeuvre du mécanisme de déclenchement, ce qui permet d'utiliser du plastique et de diminuer le poids de la talonnière. De plus, la saillie de l'axe d'articulation décrite ci-dessus amplifie ce phénomène.
- it facilitates the release of the heel since the necessary manual effort is decreased, which makes the solution more user-friendly;
- it allows to use a lower stiffness spring for the implementation of the trigger mechanism, which allows to use plastic and reduce the weight of the heel. In addition, the projection of the articulation axis described above amplifies this phenomenon.
Ainsi, la talonnière selon un mode de réalisation utilise un ressort dont la raideur peut être réduite d'au moins 50% par rapport aux solutions traditionnelles. Cette raideur est définie en fonction du seuil de déclenchement à atteindre, repéré par la valeur normalisée Z conformément à la norme ISO 9462 pour les fixations de ski alpin. Cette raideur est choisie parmi les solutions suivantes :
- pour un réglage jusqu'à Z12, le ressort de déclenchement a une raideur inférieure à 200 N/mm, voire inférieure à 150 N/mm, voire inférieure ou égale à 120 N/mm. Un tel ressort permet d'obtenir une fonction de déclenchement conforme à la norme, malgré sa faible raideur, inférieure aux solutions traditionnelles de l'état de la technique pour lesquelles le ressort a une raideur supérieure ou égale à 230 N/mm pour le même réglage jusqu'à Z12 ;
- pour un réglage jusqu'à Z15, le ressort a une raideur inférieure à 300 N/mm, voire inférieure à 200 N/mm, voire inférieure ou égale à 150 N/mm. Un tel ressort permet d'obtenir une fonction de déclenchement conforme à la norme, malgré sa faible raideur, inférieure aux solutions traditionnelles de l'état de la technique pour lesquelles le ressort a une raideur supérieure ou égale à 400 N/mm pour le même réglage jusqu'à Z15.
- for a setting up to Z12, the release spring has a stiffness of less than 200 N / mm, or even less than 150 N / mm, or even less than or equal to 120 N / mm. Such a spring makes it possible to obtain a trip function conforming to the standard, despite its low stiffness, which is inferior to the traditional solutions of the state of the art for which the spring has a stiffness greater than or equal to 230 N / mm for the same setting up to Z12;
- for a setting up to Z15, the spring has a stiffness of less than 300 N / mm, even less than 200 N / mm, or even less than or equal to 150 N / mm. Such a spring makes it possible to obtain a tripping function in accordance with the standard, despite its low stiffness, less than the traditional solutions of the state of the art for which the spring has a stiffness greater than or equal to 400 N / mm for the same setting up to Z15.
Cette réduction de la raideur du ressort présente un impact sur l'ensemble de la talonnière, permet de réduire le volume de l'ensemble corps mobile, bras latéraux, mécanisme de déclenchement, came, et finalement d'obtenir un gain important en poids, de l'ordre de 30% par rapport aux mêmes éléments des talonnières à corps mobile de l'état de la technique.This reduction in the stiffness of the spring has an impact on the entire heel, reduces the volume of the moving body assembly, side arms, trigger mechanism, cam, and finally to obtain a significant gain in weight, of the order of 30% compared to the same elements of movable body heels of the state of the art.
La
De plus, les bras latéraux 20 comprennent des ouvertures 27 pour recevoir les extrémités de l'axe d'articulation. Ce dernier est bloqué transversalement au niveau de chaque bras latéral 20 par une rondelle d'arrêt 28 (illustrée en
Le montage d'une telle talonnière comprend les étapes importantes suivantes : l'axe d'articulation 14 est d'abord inséré dans le corps mobile 11 par l'ouverture 26, puis le corps mobile après son assemblage finalisé est intégré par le haut en force entre les bras 20 qui sont légèrement écartés élastiquement pendant cette opération, puis l'ensemble obtenu reçoit l'insertion des deux rondelles 28 mentionnées ci-dessus pour le blocage en rotation explicité précédemment. En remarque, l'axe d'articulation présente une longueur légèrement supérieure à l'écartement au repos des deux bras 20. De plus, les ouvertures 27 des bras latéraux 20 comprennent un format indépendant de celui de l'axe d'articulation 14 qui ne passe pas au travers lors du montage de la talonnière, et peuvent notamment présenter une section plus petite que celle de l'axe d'articulation au niveau de la saillie. Au contraire, l'ouverture 26 du corps mobile présente une forme non circulaire pour pouvoir recevoir l'axe et sa saillie, comme cela est particulièrement visible sur la
La solution ainsi retenue et décrite ci-dessus est adaptée pour tout dispositif de fixation de chaussure à corps mobile autour d'un axe suspendu. Elle peut notamment être implémentée sur un chariot mobile longitudinalement sur un ski, et/ou sur une plaque pivotante.The solution thus retained and described above is suitable for any shoe attachment device with a movable body around a suspended axis. It can in particular be implemented on a carriage movable longitudinally on a ski, and / or on a pivoting plate.
Claims (15)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1154622A FR2975604A1 (en) | 2011-05-27 | 2011-05-27 | SAFETY FASTENING TALONNIER FOR SKI SHOE |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2527015A1 true EP2527015A1 (en) | 2012-11-28 |
EP2527015B1 EP2527015B1 (en) | 2016-04-27 |
Family
ID=45888310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12169308.9A Active EP2527015B1 (en) | 2011-05-27 | 2012-05-24 | Heelpiece of a safety binding for ski boot |
Country Status (3)
Country | Link |
---|---|
US (1) | US8820771B2 (en) |
EP (1) | EP2527015B1 (en) |
FR (2) | FR2975604A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9220970B1 (en) | 2014-11-14 | 2015-12-29 | The Burton Corporation | Snowboard binding and boot |
WO2016077441A1 (en) | 2014-11-14 | 2016-05-19 | The Burton Corporation | Snowboard binding and boot |
US9149711B1 (en) | 2014-11-14 | 2015-10-06 | The Burton Corporation | Snowboard binding and boot |
FR3133020B1 (en) * | 2022-02-28 | 2024-04-19 | Rossignol Sa | Rear fixing device for a sliding board |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0893146A1 (en) | 1997-06-26 | 1999-01-27 | Look Fixations S.A. | Safety ski binding |
EP1900400A1 (en) | 2006-09-12 | 2008-03-19 | MARKER Deutschland GmbH | Boot fixing device on the heel of a ski binding with resistance path formed as external shell on the rotation axis |
EP2168640A1 (en) * | 2008-09-29 | 2010-03-31 | Skis Rossignol | Rear binding for ski boots with mobile-housing |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1294261A (en) * | 1961-04-13 | 1962-05-26 | Ski safety binding device | |
FR81385E (en) * | 1961-04-13 | 1963-09-13 | Ski safety binding device | |
DE1817476A1 (en) * | 1968-12-30 | 1970-07-23 | Alpina Carrera Sport Und Metal | Automatic safety heel for wireless ski safety bindings |
US3734520A (en) * | 1970-05-23 | 1973-05-22 | Hope Kk | Releasable ski boot heel binding |
FR2148679A5 (en) * | 1971-07-30 | 1973-03-23 | Beyl Jean Joseph Alfred | |
DE2340420A1 (en) * | 1973-08-09 | 1975-02-20 | Ver Baubeschlag Gretsch Co | Safety ski binding with pivotable boot holder - has tread spur engaging under sole, with bevelled long bottom edges lying in slide |
FR2321912A1 (en) * | 1975-08-28 | 1977-03-25 | Salomon & Fils F | BINDING INTENDED TO RETAIN A SHOE ON A SUPPORT, IN PARTICULAR A SKI OR A PLATE MOUNTED ON A SKI |
AT376375B (en) * | 1983-03-11 | 1984-11-12 | Tyrolia Freizeitgeraete | SAFETY SKI BINDING |
AT379751B (en) * | 1983-09-08 | 1986-02-25 | Amf Sport Freizeitgeraete | SAFETY SKI BINDING |
FR2560054B1 (en) * | 1984-01-12 | 1986-12-12 | Salomon Sa | SKI SHOE, SKI BINDING, AND ASSEMBLY CONSISTING OF A SAFETY BINDING MOUNTED ON A SKI AND A SKI SHOE |
AT379755B (en) * | 1984-05-04 | 1986-02-25 | Amf Sport Freizeitgeraete | HEEL REST |
AT383960B (en) * | 1985-10-03 | 1987-09-10 | Tyrolia Freizeitgeraete | SAFETY SKI BINDING |
FR2598934B1 (en) * | 1986-05-22 | 1990-09-21 | Salomon Sa | SAFETY ATTACHMENT OF A SHOE ON A SKI |
DE3703008A1 (en) * | 1987-02-02 | 1988-08-11 | Marker Deutschland Gmbh | HEEL LOCKING DEVICE OF A SAFETY SKI BINDING |
FR2623096B1 (en) * | 1987-11-18 | 1990-02-23 | Salomon Sa | ALPINE SKI SECURITY ATTACHMENT |
FR2669236B1 (en) * | 1990-11-15 | 1993-01-22 | Salomon Sa | ALPINE SKI SAFETY ATTACHMENT. |
DE4120253A1 (en) * | 1991-06-19 | 1992-12-24 | Geze Sport | SKI SAFETY BINDING |
FR2742061B1 (en) * | 1995-12-08 | 1998-02-06 | Look Fixations Sa | DEVICE FOR RETAINING A SHOE TO A SNOWBOARD SUCH AS A SKI OR THE LIKE |
FR2765115B1 (en) * | 1997-06-26 | 1999-09-03 | Look Fixations Sa | SKI SHOE SECURITY ATTACHMENT |
FR2862546B1 (en) * | 2003-11-20 | 2006-02-24 | Look Fixations Sa | SIMPLIFIED SAFETY FASTENING TALONNIER FOR SKI SHOE |
FR2906157B1 (en) * | 2006-09-27 | 2009-05-15 | Skis Rossignol Soc Par Actions | FIXING TALONNIER FOR FIXED BODY SKI SHOE |
-
2011
- 2011-05-27 FR FR1154622A patent/FR2975604A1/en not_active Withdrawn
- 2011-10-04 FR FR1158958A patent/FR2975605B1/en not_active Expired - Fee Related
-
2012
- 2012-05-24 US US13/480,061 patent/US8820771B2/en active Active
- 2012-05-24 EP EP12169308.9A patent/EP2527015B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0893146A1 (en) | 1997-06-26 | 1999-01-27 | Look Fixations S.A. | Safety ski binding |
EP1900400A1 (en) | 2006-09-12 | 2008-03-19 | MARKER Deutschland GmbH | Boot fixing device on the heel of a ski binding with resistance path formed as external shell on the rotation axis |
EP2168640A1 (en) * | 2008-09-29 | 2010-03-31 | Skis Rossignol | Rear binding for ski boots with mobile-housing |
Also Published As
Publication number | Publication date |
---|---|
EP2527015B1 (en) | 2016-04-27 |
US8820771B2 (en) | 2014-09-02 |
FR2975605A1 (en) | 2012-11-30 |
FR2975604A1 (en) | 2012-11-30 |
US20120299255A1 (en) | 2012-11-29 |
FR2975605B1 (en) | 2014-07-11 |
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