EP0933034A1 - Sportshoe with an adaptable sole for different purposes - Google Patents

Abstract

The convertible sports boot (1) comprises a sole (2) constituted by a fixed base (9) integral with the boot body (3) on which are made front (7) and rear (8) vertical retaining zones. Separate front (10) and rear (11) interchangeable pads complementary to the base are adapted to it to form the toe and the heel. They are chosen by the user from two sets of pads whose profiles and characteristic dimensions enable them to correspond with the sole from the same shoe according to the chosen fixing standard.

Description

The present invention relates to a sports shoe convertible to adapt to several disciplines, in particular sliding.

This type of shoe is made from a design classic of the type comprising an outer sole from which extends a hull base, itself surmounted by a rod provided with an opening allowing the passage of the foot of a user.

Said shoe is capable of cooperating with a sliding element, on the one hand, via surfaces support formed by the underside of the sole cooperating with corresponding fixed surfaces of the sliding element or of a shoe attachment device attached thereto and, on the other hand, through retention zones vertical of the shoe made at the front and back of its sole or part of its hull base, according to standards established, and intended to cooperate with hooking bodies from the fixing device.

It could for example be a question of adapting the boot to the ski Alpine, snowboarding or ski touring.

A shoe of this type is known by the European patent 0.167.765 describing a shoe that can be adapted to skiing hiking or downhill skiing thanks to interchangeability complete with a ski touring sole with a sole of Alpine skiing or, conversely, under a rigid hull base fitted crampons in which the shell fits the foot of the user.

According to such a design of the shoe, it is necessary to have two integral soles, in addition to the rigid shell, which is itself provided with a sole studded, and very powerful means of assembly for ensure consistency between these various constituent elements of the shoe.

On this last point, we note in particular that it is on the edges of the removable soles supported by the ski binding retainers when the boot is used for alpine skiing, and these edges, in especially in the heel area of the shoe, are not blocked with respect to the rigid shell only by a stirrup pivot located on the dorsal part of said heel. The efforts being particularly important in this area, it it is obvious that the hull must be very reinforced where it hangs with the swivel bracket.

A shoe of this type is also described in the French patent application No. 2,743,700 describing a shoe the front and rear ends of which include means for removable fastening, of at least two types of sole, one standardized for skiing and the other with a profile intended for walking, so as to make them interchangeable and authorize from the same hull base the practice of ski with a walking sole, if the ski is equipped with a cradle for elevation or by adaptation of a sole standardized if it is not provided and therefore it is classic.

According to a feature of this shoe, the soles interchangeable are made up of two separate parts but complementary constituting the heel and the toe, each of them defining upper end planes constituting the vertical retaining zones intended to cooperate with the fastening device hooks.

We can see by this last point that, as before, it is on the edge of the parts of removable soles forming the heel and toe as the axial retainers of the ski bindings are supported and that, as a result, reinforcements are necessary to support the efforts particularly important in this area, as in the shoe previously mentioned.

The object of the present invention is to remedy these various drawbacks known from the prior art and relate for this purpose a convertible sports shoe to adapt to several disciplines, in particular gliding, of the type comprising an outer sole from which extends a base of shell, itself surmounted by a rod, provided with an opening allowing the passage of the foot of a user; the shoe is likely to cooperate with a sliding element (not shown), on the one hand, through surfaces support formed by the underside of the sole cooperating with corresponding fixed surfaces of the sliding element (not shown) or a fixing device (not shown) of the shoe attached to it and, on the other hand, by through vertical retaining areas of said shoe made at the front and back of the sole or part of its hull base, according to established standards, and intended to cooperate with attachment members (not shown) from the fixing device. She is characterized in that the sole consists, on the one hand, an irremovable base, secured to the shell, and on which the front and rear vertical retention zones are produced and, on the other hand, separate front and rear pads, interchangeable and complementary to said sole base on which they adapt to form the bearing surfaces of the shoe on the sliding element (not shown), said front and rear pads respectively constituting the tip and the heel, being chosen by the user between at least two sets of front and rear skids including profiles and dimensional characteristics of each of them are suitable for allow, in relation to the front axial retention zones and rear of the fixed base and in addition to it, the reconstruction and bringing into conformity of a sole with from the same shoe, meeting a binding standard chosen among several depending on whether the user has chosen to practice one sliding discipline or another, such as skiing Alpine, snowboard or ski touring.

It is clear from the invention that the edges of the sole of the shoe, obtained in one piece with the shell or the base of the sole which is integral therewith, so that the forces exerted on these edges are distributed over a larger area, even on the whole hull and not at a very localized point as mentioned above. In fact, according to the invention, it is only the lower part of the sole which is intended to come into contact with the ground which is provided removable and interchangeable. This provision allows also to provide only small elements without reinforcement, therefore not bulky, instead of sole integral.

The present invention also relates to characteristics which will emerge during the description which will follow and which should be considered in isolation or according to all their possible technical combinations.

• la figure 1 représente une chaussure en vue latérale montrant en vue éclatée les parties de semelle avant et arrière constituant respectivement une pointe et un talon, prêtes au montage ;
• les figures 2A et 2B représentent respectivement des vues interne et externe d'une pointe de semelle à rapporter, normalisée pour répondre aux normes du ski alpin ;
• les figures 3A et 3B représentent respectivement une vue intérieure et une vue extérieure d'un talon normalisé pour répondre également aux normes du ski alpin et destinées à être associées aux pointes des figures 2A et 2B ;
• la figure 4 est une vue en perspective de dessous d'une chaussure selon la figure 1, avant montage d'une pointe et d'un talon à monter complémentairement à l'embase de semelle ;
• les figures 5 et 6 représentent respectivement une pointe et un talon à monter sur l'embase de semelle de la figure 4, répondant aux normes du ski alpin ;
• les figures 7 et 8 représentent respectivement une pointe et un talon à monter sur l'embase de semelle de la figure 4, répondant aux normes du ski de randonnée :
• les figures 8A et 8B représentent respectivement, en vue latérale et en vue interne, une pointe de semelle à rapporter et répondant aux normes du surf des neiges ;
• les figures 9A et 9B représentent respectivement, en vue latérale et en vue interne, un talon à rapporter et répondant aux normes du surf des neiges également ;
• les figures 10A et 10B représentent respectivement, en vue latérale et vue interne, une pointe à rapporter répondant aux normes du ski de randonnée ;
• les figures 11A et 11B représentent respectivement, en vue latérale et en vue interne, un talon à rapporter répondant également aux normes du ski de randonnée, à associer à la pointe des figures 10A et 10B ;
• la figure 12 est une vue en plan d'un ensemble pointe et talon muni de moyens de liaison formant détrompeurs et par exemple destiné au ski alpin ;
• la figure 13 est une vue en coupe transversale selon la ligne XIII-XIII de la figure 12 ;
• la figure 14 est une vue en plan d'un ensemble pointe et talon muni de moyens de liaison formant détrompeurs et par exemple destiné au surf des neiges ;
• la figure 15 est une vue en coupe transversale selon la ligne XV-XV de la figure 14 ;
• la figure 16 est une vue en plan d'un ensemble pointe et talon muni de moyens de liaison formant détrompeurs et par exemple destiné au ski de randonnée ;
• la figure 17 est une vue en coupe transversale selon la ligne XVII-XVII de la figure 16.

This description, given by way of nonlimiting example, will make it easier to understand how the invention can be implemented, with reference to the accompanying drawings in which:

• Figure 1 shows a shoe in side view showing in exploded view the front and rear sole parts respectively constituting a toe and a heel, ready for assembly;
• FIGS. 2A and 2B respectively represent internal and external views of a point of sole to be brought back, standardized to meet the standards of alpine skiing;
• FIGS. 3A and 3B respectively represent an interior view and an exterior view of a heel standardized to also meet the standards of alpine skiing and intended to be associated with the points of FIGS. 2A and 2B;
• Figure 4 is a perspective view from below of a shoe according to Figure 1, before mounting a toe and a heel to be mounted in addition to the base of the sole;
• Figures 5 and 6 respectively represent a tip and a heel to be mounted on the sole base of Figure 4, meeting the standards of alpine skiing;
• FIGS. 7 and 8 respectively represent a point and a heel to be mounted on the sole base of FIG. 4, meeting the standards of ski touring:
• FIGS. 8A and 8B respectively represent, in side view and in internal view, a sole tip to be fitted and meeting the standards of snowboarding;
• FIGS. 9A and 9B respectively represent, in side view and in internal view, a heel to be attached and which also meets snowboard standards;
• FIGS. 10A and 10B respectively represent, in side view and internal view, a tip to be fitted which meets the standards of ski touring;
• FIGS. 11A and 11B respectively represent, in lateral view and in internal view, a heel to be attached which also meets the standards of ski touring, to be associated with the toe of FIGS. 10A and 10B;
• Figure 12 is a plan view of a toe and heel assembly provided with connecting means forming polarizers and for example intended for alpine skiing;
• Figure 13 is a cross-sectional view along the line XIII-XIII of Figure 12;
• Figure 14 is a plan view of a tip and heel assembly provided with connection means forming polarizers and for example intended for snowboarding;
• Figure 15 is a cross-sectional view along line XV-XV of Figure 14;
• Figure 16 is a plan view of a toe and heel assembly provided with connecting means forming polarizers and for example intended for ski touring;
• Figure 17 is a cross-sectional view along line XVII-XVII of Figure 16.

Shoe 1 shown schematically in Figure 1 generally comprises an outer sole 2 from which extends a shell base 3, itself surmounted by a rod 4, provided with an opening allowing the passage of the foot of a user. Shoe 1 is capable of cooperating with a sliding element not shown, on the one hand, by through support surfaces 5 and 6 formed by the bottom of sole 2 cooperating with surfaces fixed correspondents of the sliding element not shown or a fixing device, not shown, for the shoe 1 reported on it and, on the other hand, through vertical retention zones 7 and 8 of said shoe 1 performed at the front and rear of its sole 2 or part of its hull base 3, according to established standards, and intended for cooperate with unrepresented fastening members from the fixing device.

According to the invention, the sole 2 is made up of a part, of a non-removable base 9, integral with the shell 3, and on which the vertical retaining zones are made front 7 and rear 8 and, on the other hand, front pads 10 and rear 11 separate, interchangeable and complementary to said base 9 of sole 2 on which they adapt for form the bearing surfaces 5 and 6 of the shoe 1 on the sliding element not shown. Said front pads 10 and rear 11 respectively constitute the toe and the heel, and are chosen by the user between at least two sets of front and rear pads 10, 10A, or 10B and 11, 11A, or 11B of which the profiles and dimensional characteristics of each of them are able to allow, in relation to the areas of axial retention front 7 and rear 8 of the fixed base 9 and in addition to this, the reconstitution and the in accordance with a sole 2 from the same shoe 1, meeting one fixing standard or another depending on whether the user has chosen to practice a sliding discipline or another, such as alpine skiing, snowboarding or cross country skiing hiking.

According to a first example of adaptation of the shoe 1 visible in Figures 1 to 6, the front and rear pads constituting the toe 10 and heel 11 are intended for the alpine skiing whose corresponding standard is the standard ISO 5355.

The front and rear pads constituting the point 10 and the heel 11 are made removable by means of positioning 12, 13 and 14, 15 and anchor points made in the sole portion 2 forming the fixed base 9, allowing their placement on it, using elements assembly 16 also removable.

As shown particularly well in FIGS. 2A and 3A or Figure 4 in combination with Figures 5 and 6, the means 12, 13 and 14, 15 and / or the anchor points are different depending on whether it is the front pad 10 or tip or the back pad 11 or heel, so as to prohibit any possibility of reversal.

These positioning means 12, 13 and 14, 15 of the pads front and rear 10, 11 on the fixed base 9 of the sole 2 consist of complementary embedding zones made in relief on pads 10 and 11 and recessed on the base 9.

Still according to these figures, we see that the points for anchoring the front and rear pads 10 and 11 cooperate in fixing with assembly elements, such as screws 16, and are made according to a number and a positioning different from each other, depending on whether it is the front shoe 10 or the rear shoe 11, so to ban their reversal.

This is how the front pads 10 are drilled with four holes 30 arranged substantially in a rectangle and cooperating with corresponding holes in the base 9 of the sole to be there fixed by the four screws 16, while the heel 11 is crossed by five holes 40 arranged in a different geometry and also corresponding to corresponding holes in the base 9 by five screws 16.

It should be noted according to another characteristic of the invention that the positioning means and the points anchoring the front and rear pads 10 and 11 relative to the base 9 of sole 2 are different from each other, but identical for all front pads 10, 10A, 10B and for all the rear pads 11, 11A, 11B, meeting standards different, and associated by games, made available to the user, in order to allow him compliance of the same shoe according to the discipline to be exercised.

Figures 8A, 8B and 9A, 9B respectively represent front pads 10A and rear pads 11A meeting the ISO 11634 snowboard standards, while Figures 7 and 8, as well as FIGS. 10A, 10B and 11A, 11B represent front pads 10B and rear pads 11B respectively meeting the standards of ski touring ISO 9523.

Note that the main difference between the front pads 10, 10A, 10B and the rear pads 11, 11A, 11B, depending on whether it is downhill skiing, snowboarding or ski touring, lies in the fact that the notches 17 made on their bearing surfaces are in different number and shape also offering a different profile depending on the discipline.

Regarding the sizing of the front and rear pads, depending on the chosen discipline, we will see later that their dimensioning can be substantially identical for all the front pads and for all the back pads for the zones common imposed by standards.

According to another characteristic of the invention, each set of pads before 10, 10A, or 10B and rear 11, 11A, or 11B meeting a given standard, has elements coded, determined specifically to this standard, and which consist of connecting means arranged between the front shoe 10, 10A, or 10B and rear shoe 11, 11A, or 11B and cooperating respectively with one and the other, so complementary and reversible.

According to a particular embodiment shown on Figures 12 to 17, the connecting means of the front pads and rear, acting as polarizers are constituted by a connecting rod 20, 20A, or 20B, integral with the front shoe 10, 10A, or 10B, and extending therefrom to the skid rear 11, 11A, or 11B to cooperate with housing corresponding 21, 21A, or 21B in which it is embedded. They are also constituted by a second connecting rod 22, 22A, or 22B, secured to the reverse of the rear shoe 11, 11A, 11B and extending from it towards the front shoe 10, 10A, or 10B to cooperate with a corresponding housing 23, 23A, or 23B in which it is embedded head-to-tail, the spacing distance A + A, B + B, or C + C of the longitudinal axes parallels zz 'or yy' of each rod 20, 20A, 20B and 22, 22A, or 22B and the positioning of these axes, relative to the axis of symmetry xx 'of the whole, being different, depending on whether are front pads 10, 10A, or 10B and rear pads 11, 11A, or 11B meeting one standard or another, prohibiting any mix of skates according to a standard with skates according to a other standard.

For example, the value of A is greater that the value of B and that the value of C, while the value of C is greater than the value of B.

As mentioned above, the sizing of the pads front 10, 10A, or 10B and rear 11, 11A, or 11B will be for each set of front runners and for each set of runners rear intended for different disciplines, appreciably identical for common areas imposed by standards.

Indeed, if we refer to the ISO 5355 standard concerning ski boots for alpine skiing, we see that the width of the rear heel must be 69 ± 2 mm, i.e. between 67 and 71 mm, while the retention zone vertical must be 6 mm, that the width of this same area must be 50 mm, and its radius must be 37 ± 4 mm.

Regarding a snowboard boot and more precisely from its junction zone with the fasteners of ski, established according to ISO 11634, we see that the width of the heel must be 75 ± 5 mm, i.e. between 70 and 80 mm, that the vertical retention zone must be 6 mm, that its width must be 50 mm and that its radius must be 37 + 4 mm to - 5 mm.

Finally with regard to ski boots hiking, junction areas with ski bindings, according to ISO 9523, must be regarding the heel, 80 mm with a tolerance of 0 to - 15 mm, i.e. between 65 and 80 mm, the vertical retention zone must also be 6 mm and its width 50 mm, while the radius of this same retention zone must be 37 mm with a tolerance from 0 to - 3 mm.

It should also be noted that depending on whether it is boot for alpine skiing, snowboarding or ski touring, the height between the vertical retention zone and the support surface on the sliding element must be respectively according to the aforementioned standards, of 30 ± 1 mm, 34 ± 3 mm, 32 ± 3 mm.

We can see when studying all these different parameters sizing that it is possible to find a compromise of each of these dimensions, remaining for each of them in the tolerances imposed by the different standards and thus allowing identical sizing for all said standards.

In this way, the differentiation between the heels and the spikes mainly lies in the importance of their notching and their thickness and in the very fact that it is a skate front or rear, depending on the discipline to be exercised.

Also note that the skates can, depending on the standard which they match, have more side edges or less important which go back at least partially on the sides of the sole and be obtained with surfaces of steps smooth, partially smooth or clinging.

Claims (8)

Sports shoe (1) convertible to fit several disciplines, in particular gliding, of the type comprising an outer sole (2) from which extends a base shell (3), itself surmounted by a rod (4), provided with a opening allowing the passage of a user's foot, said shoe (1) being capable of cooperating with a sliding element, on the one hand, via surfaces support (5 and 6) formed by the underside of the sole (2) cooperating with corresponding fixed surfaces of the element glide or a shoe fastening device (1) reported on it and, on the other hand, through vertical retention zones (7 and 8) of said shoe (1) made at the front and rear of its sole (2) or part its hull base (3), according to established standards, and intended to cooperate with attachment members from the fastening device, characterized in that the sole (2) consists, on the one hand, of an irremovable base (9), integral with the shell base (3), and on which are carried out the front (7) and rear vertical retention zones (8) and, on the other hand, front (10) and rear (11) pads distinct, interchangeable and complementary to said base (9) sole (2) on which they adapt to form the bearing surfaces (5 and 6) of the shoe (1) on the element of slides, said front (10) and rear (11) pads constituting the toe and the heel respectively, being chosen by the user enters at least two sets of front pads and rear (10, 10A, 10B - 11, 11A, 11B) with profiles and dimensional characteristics of each of them are suitable for allow, in relation to the front axial retention zones (7) and rear (8) of the fixed base (9) and additionally with it, the reconstitution and bringing into conformity of a sole (2) from the same shoe (1), responding to a fastening standard chosen from several depending on whether the user has chosen to practice a sliding discipline or another, such as alpine skiing, snowboarding or cross country skiing hiking. Shoe according to claim 1, characterized in that that the front and rear pads constituting the point (10) and the heel (11) are made removable by means of positioning means (12, 13 and 14, 15) and points anchoring made in the sole part (2) forming the fixed base (9), allowing them to be placed thereon, by means of assembly elements (16) also removable. Shoe according to claim 2, characterized in that that the positioning means (12, 13 and 14, 15) and / or the anchor points are different depending on whether it is the skate front (10) or rear shoe (11), so that prohibit any possibility of reversal. Shoe according to claim 3, characterized in that that the positioning means (12, 13 and 14, 15) of the pads front and rear (10, 11) on the fixed base (9) of the sole (2) consist of embedding zones complementary made in relief on the pads (10 and 11) and recessed on the base (9). Shoe according to claim 3, characterized in that that the anchor points of the front and rear pads (10 and 11) cooperate in fixing with the assembly elements, such as screws (16), and are made according to a number and a positioning different from each other, depending on whether it is the front shoe (10) or the rear shoe (11), so to ban their reversal. Shoe according to one of claims 2 to 5, characterized in that the positioning means and the anchor points of the front and rear runners (10 and 11) by compared to the base (9) of sole (2) are different between them, but identical for all the front shoes (10, 10A, 10B) and for all the rear runners (11, 11A, 11B), responding to different standards, and associated by games, made available of the user, in order to allow him compliance of the same shoe according to the discipline to be exercised. Shoe according to one of claims 1 to 6, characterized in that each set of front pads (10, 10A, 10B) and rear (11, 11A, 11B) meeting a given standard, is provided with polarizing elements, specific to this standard, and which are constituted by connecting means arranged between the front shoe (10, 10A, 10B) and the rear shoe (11, 11A, 11B) and cooperating respectively with one and the other, complementary and reversible. Shoe according to claim 7, characterized in that that the connecting means of the front and rear pads, making coding office are constituted by a connecting rod (20, 20A, 20B), integral with the front shoe (10, 10A, 10B), and extending therefrom to the rear shoe (11, 11A, 11B) to cooperate with a corresponding housing (21, 21A, 21B) into which it fits, and by a second rod connection (22, 22A, 22B), integral unlike the rear shoe (11, 11A, 11B) and extending therefrom to the skate front (10, 10A, 10B) to cooperate with housing correspondent (23, 23A, 23B) in which it is embedded head-to-tail, the spacing distance (A + A - B + B - C + C) parallel longitudinal axes (zz '- yy') of each rod (20, 20A, 20B and 22, 22A, 22B) and the positioning of these axes, with respect to the axis of symmetry xx 'of the assembly, being different, depending on whether the pads are front (10, 10A, 10B) and rear (11, 11A, 11B) meeting one standard or another, prohibiting any mix of skates according to a standard with skates according to another standard.

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