WO2008125716A1 - Spring-skate for footwear - Google Patents

Spring-skate for footwear Download PDF

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Publication number
WO2008125716A1
WO2008125716A1 PCT/ES2008/000257 ES2008000257W WO2008125716A1 WO 2008125716 A1 WO2008125716 A1 WO 2008125716A1 ES 2008000257 W ES2008000257 W ES 2008000257W WO 2008125716 A1 WO2008125716 A1 WO 2008125716A1
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WO
WIPO (PCT)
Prior art keywords
spring
rigid
rigid sole
area
elastic
Prior art date
Application number
PCT/ES2008/000257
Other languages
Spanish (es)
French (fr)
Inventor
Abraham MARTÍNEZ DÍAZ
Original Assignee
Martinez Diaz Abraham
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 Martinez Diaz Abraham filed Critical Martinez Diaz Abraham
Publication of WO2008125716A1 publication Critical patent/WO2008125716A1/en

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Classifications

    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/14Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18Resilient soles
    • A43B13/181Resiliency achieved by the structure of the sole
    • A43B13/183Leaf springs
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/14Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/143Soles; Sole-and-heel integral units characterised by the constructive form provided with wedged, concave or convex end portions, e.g. for improving roll-off of the foot
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00Heels; Top-pieces or top-lifts
    • A43B21/24Heels; Top-pieces or top-lifts characterised by the constructive form
    • A43B21/30Heels with metal springs

Definitions

  • the object of the present invention is therefore a shoe trot with improved features.
  • the trotter of the invention is intended to be applied to the underside of a rigid sole of a shoe, said rigid sole including a generally concave front zone and a generally convex rear zone.
  • the trotter of the invention comprises two first and second springs of the crossbow type, from which the first spring substantially emerges from the toe area of said rigid sole and substantially reaches the start zone of said rigid sole and the second spring emerges substantially from the area of said rigid sole and reaches substantially the heel area of said rigid sole.
  • Said first spring has a concavity of radius greater than the concavity radius of the front area of the rigid sole and at least two support points, namely a fixed anterior support point that joins said first spring to the rigid sole and at least one elastic posterior support point that acts in compression.
  • Said second spring has a convexity of a smaller radius than the convexity radius of the rear area of the rigid sole and at least two support points, namely a fixed anterior support point that joins said second spring to the rigid sole and at least one elastic posterior support point that acts in compression.
  • Said second spring also has a support piece, or heel, in its rear end area.
  • Said support piece can be either a piece of wood, plastic, metal or the like, attached to said second spring, or an extension of said second spring.
  • the first leaf spring can be replaced by an elastic sheet of a suitable material, that is, having elasticity characteristics sufficient to substantially correspond to the replaced leaf spring; said elastic sheet being supported along its entire length with said rigid sole, said elastic sheet extending substantially from the toe area of said rigid sole to substantially the area of the aforementioned rigid sole.
  • a possible material from which said elastic sheet may be formed is rubber.
  • the sheets of this material exert a force of compressive strength generally lower than the leaf springs, correctly adjusting all or part of the variables involved (elastic force of the rear leaf spring, radius of curvature of the rear spring, etc.) adequate results can be obtained.
  • the elastic sheet can take different shapes and contours, for example, substantially U-shaped.
  • Figure 1 is a schematic side elevation view of a rigid shoe sole that includes the boot of the invention according to a first embodiment.
  • Figure 2 is a schematic plan view from above of the front part of a second embodiment of the trotter of the invention.
  • Figure 3 is a schematic plan view from above of a third embodiment of the trotter of the invention.
  • Figure 4 is a schematic side elevation view of the rear of a fourth embodiment of the trotter of the invention.
  • FIG. 1 With reference initially to Figure 1, there is shown a rigid shoe sole 1 that includes a trotter of the invention according to a first embodiment of the invention.
  • Said rigid sole 1 includes a generally concave front zone 3 and a generally convex rear zone 5.
  • Said trotter comprises two springs first 7 and second 9 of crossbow type, from which the first spring 7 substantially emerges from the toe area of said rigid sole 1 and substantially reaches the starting area of said rigid sole 1 and the second spring substantially emerges from the inlet zone of said rigid sole 1 and substantially reaches the heel area of said rigid sole 1.
  • Said first spring 7 has a radius concavity greater than the radius of concavity of the front area 3 and three support points 11, 13, 15, specifically a fixed front support point 11, formed by a screw 23 screwed to a nut 25 embedded in said rigid sole 1, which joins said first spring 7 to said sole rigid 1, and two back support points 13, 15 formed by two elastic blocks of rubber adhered to said rigid sole 1 on one side and said first spring 7 on the opposite side.
  • Said second spring 9 has a convexity of a smaller radius than the convexity radius of the rear zone 5 and three two supporting points 17, 19, 21, specifically a fixed anterior support point 17, formed by a screw 27 screwed to a nut 29 embedded in said rigid sole 1, which joins said second spring 9 to said rigid sole 1, and two rear support points 19, 21 formed by two elastic rubber blocks adhered to said rigid sole 1 on one side and to said second spring 9 on the opposite side.
  • Said second spring 9 also has a support piece 31, or heel, in its rear end area.
  • Said support piece 31 is made of wood.
  • FIG. 2 there is shown a first spring 7 'of a second embodiment of the trotter of the invention.
  • Said intermediate crossbow 33 has a chamfer 35 on one side of its free end, intended to compensate for an unbalanced pressure on the trotter. That is, many people tend to exert more pressure either on the inner flank or on the outer flank of the shoe when walking. Said cutout 35 is then provided on the flank opposite that on which more pressure is exerted, in order to achieve greater stability.
  • Figure 2 also shows two through holes 37 for passage through the screws (two in this embodiment) that will form the fixed anterior support point of said first spring T 1 as well as two through holes 39 for passage therethrough. of the screws (two in this embodiment) that will join said intermediate crossbow 33 to said first spring 7 'and form the support point of said intermediate crossbow 33.
  • said intermediate crossbow configuration can also be applied to the second spring of a trotter according to the invention.
  • Figure 3 shows first 7 '' and second 9 '' springs of spring type of a third embodiment of the trotter of the invention, analogous to said first 7 and second 9 springs of crossbow type of the first embodiment of the trotter of the invention, but which also include longitudinal perimeter edges of rubber 41 that add a variable support point.
  • Said edging 41 has a spherical cap cross section in this embodiment, although its cross section may take other forms.
  • Figure 3 also shows two through holes 43 for passage through the screws (two in this embodiment) that will form the fixed front support point of said first spring 7 '', and also two through holes 45 for passage to its through the screws (two in this embodiment) that will form the fixed anterior support point of said second spring 9 '', as well as two through holes 47 for passage through the screws (two in this embodiment) that will join a heel to said second spring 9 ''.
  • FIG. 4 there is shown a second spring 9 '' 'of a fourth embodiment of the trotter of the invention.
  • Said second spring 9 '' ' includes a main section 53 of the spring itself that extends along its free end, initially in a first section 49 that extends downwards and then in a second section 51 that extends forward, so that said first 49 and second 51 sections form the heel.
  • said main sections 53, first 49 and second 51 are made integral, of steel and of the same thickness along its length.
  • said main sections 53, first 49 and second 51 may not be integral, be of materials other than steel (independently of each other), and vary in thickness along its length, depending on the specific application of the trotin .
  • the first leaf spring is replaced by a substantially U-shaped rubber elastic sheet, which also has elasticity characteristics sufficient to correspond substantially with the spring replaced; said elastic sheet being supported along its entire length with said rigid sole, said elastic sheet extending substantially from the toe area of said rigid sole 1 to substantially the area of the aforementioned rigid sole 1.
  • said elastic sheet has varying elasticity characteristics along its length so that, when said sheet is in contact with the ground, the compressive strength is greater in the area of collapse than in the toe zone.
  • the elastic sheet has a variable elasticity along its length is, for example, to manufacture said sheet with a profiled cross section.
  • Another alternative way of ensuring that the elastic sheet has a variable elasticity along its length is to manufacture said sheet with a non-uniform density.
  • the attached figures show a preferred contour for the trotters, which essentially corresponds to the contour of a sole, truncated by the front.
  • the contour of the trotters is not limited to this form.

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

Abstract

Spring-skate for footwear, applied to the lower face of a rigid sole which includes a concave front portion and a convex back portion, comprising two catapult-type springs, a first front spring which emerges from the toecap portion and reaches the shank portion and a second back spring which emerges from the shank portion and reaches the heel portion, wherein the first spring has a concavity with a greater radius than the concavity radius of the front portion of the rigid sole and at least two support points, a fore fixed one and at least one elastic rear one which acts in compression, said second spring having a convexity radius less than the convexity radius of the back portion of the rigid sole and, at least two support points, a fore fixed one and at least one elastic rear one which acts in compression; or alternatively an elastic sheet and catapult-type back spring.

Description

TROTÍN PARA CALZADO FOOTWEAR TROTIN
DESCRIPCIÓNDESCRIPTION
ANTECEDENTES DE IJA INVENCIÓNBACKGROUND OF IJA INVENTION
Actualmente, existen dispositivos de amortiguación y/o de recuperación de esfuerzos para su acoplamiento al calzado, destinados a facilitar el acto de caminar, ya sea andando o corriendo. Sin embargo, la mayoría de estos dispositivos se refieren generalmente a muelles de acción básicamente lineal, así como individuales o, en extremo, independientes, que no tienen en cuenta o no aprovechan la dinámica de palanca implicada en la acción de caminar. Por otro lado, el documento ES 2228209 divulga un trotín que comprende dos muelles de tipo de ballesta que emergen de la puntera del zapato y llegan hasta los lugares donde se realiza la presión, uno trasero hasta el talón y otro delantero hasta el enfranque . Este trotín de la técnica anterior funciona como una catapulta que lanza un peso y describe una parábola en su trayectoria. Se trata de la combinación de una palanca de primer género y una balanza de pesas. Ambas combinadas, aprovechan la inercia de descenso como fuerza de ascenso. Sin embargo, al usar este trotín de la técnica anterior en la acción normal de caminar, se generan unas fuerzas indeseables sobre la punta del zapato al inicio de su aplicación sobre el suelo por la parte del talón, debido a que dicho muelle trasero llega hasta la puntera del zapato. Además, ambos muelles delantero y trasero emergen de la puntera del zapato, lo que genera una vinculación mutua entre ambos muelles que en la práctica complica el diseño de cada uno de los muelles porque la elección de unas características de uno de ellos influye en la elección de las características del otro para conseguir un comportamiento concreto del trotín. SUMARIO DE IA INVENCIÓNCurrently, there are damping and / or stress recovery devices for coupling to footwear, designed to facilitate the act of walking, whether walking or running. However, most of these devices generally refer to springs of basically linear action, as well as individual or, in the extreme, independent, which do not take into account or take advantage of the lever dynamics involved in the action of walking. On the other hand, document ES 2228209 discloses a trotter comprising two springs of the crossbow type that emerge from the toe of the shoe and reach the places where the pressure is made, one rear to the heel and another front to the start. This prior art trotter functions as a catapult that throws a weight and describes a parable in its trajectory. It is the combination of a first-gen lever and a weight scale. Both combined, take advantage of the inertia of descent as a force of ascent. However, when using this prior art trot in the normal action of walking, undesirable forces are generated on the tip of the shoe at the beginning of its application on the floor by the heel part, because said rear spring reaches up to the toe of the shoe. In addition, both front and rear springs emerge from the toe of the shoe, which generates a mutual bond between both springs than in practice complicates the design of each of the springs because the choice of characteristics of one of them influences the choice of the characteristics of the other to achieve a specific behavior of the trotter. SUMMARY OF THE INVENTION
El objeto de la presente invención es por lo tanto un trotín para calzado con características mejoradas.The object of the present invention is therefore a shoe trot with improved features.
El trotín de la invención está destinado a estar aplicado a la cara inferior de una suela rígida de un zapato, incluyendo dicha suela rígida una zona delantera generalmente cóncava y una zona trasera generalmente convexa.The trotter of the invention is intended to be applied to the underside of a rigid sole of a shoe, said rigid sole including a generally concave front zone and a generally convex rear zone.
El trotín de la invención comprende dos muelles primero y segundo de tipo de ballesta, de los cuales el primer muelle emerge sustancialmente de la zona de puntera de dicha suela rígida y llega sustancialmente hasta la zona de enfranque de dicha suela rígida y el segundo muelle emerge sustancialmente de la zona de enfranque de dicha suela rígida y llega sustancialmente hasta la zona de talón de dicha suela rígida.The trotter of the invention comprises two first and second springs of the crossbow type, from which the first spring substantially emerges from the toe area of said rigid sole and substantially reaches the start zone of said rigid sole and the second spring emerges substantially from the area of said rigid sole and reaches substantially the heel area of said rigid sole.
Dicho primer muelle presenta una concavidad de radio mayor que el radio de concavidad de la zona delantera de la suela rígida y al menos dos puntos de apoyo, concretamente un punto de apoyo anterior fijo que une dicho primer muelle a la suela rígida y al menos un punto de apoyo posterior elástico que actúa en compresión.Said first spring has a concavity of radius greater than the concavity radius of the front area of the rigid sole and at least two support points, namely a fixed anterior support point that joins said first spring to the rigid sole and at least one elastic posterior support point that acts in compression.
Dicho segundo muelle presenta una convexidad de radio menor que el radio de convexidad de la zona trasera de la suela rígida y al menos dos puntos de apoyo, concretamente un punto de apoyo anterior fijo que une dicho segundo muelle a la suela rígida y al menos un punto de apoyo posterior elástico que actúa en compresión. Dicho segundo muelle presenta además una pieza de apoyo, o tacón, en su zona posterior de extremo. Dicha pieza de apoyo puede ser o bien una pieza de madera, plástico, metal o similar, unida a dicho segundo muelle, o bien una prolongación de dicho segundo muelle.Said second spring has a convexity of a smaller radius than the convexity radius of the rear area of the rigid sole and at least two support points, namely a fixed anterior support point that joins said second spring to the rigid sole and at least one elastic posterior support point that acts in compression. Said second spring also has a support piece, or heel, in its rear end area. Said support piece can be either a piece of wood, plastic, metal or the like, attached to said second spring, or an extension of said second spring.
Alternativamente, el primer muelle de ballesta puede estar reemplazado por una lámina elástica de un material adecuado, esto es, que tiene características de elasticidad suficientes como para corresponderse sustancialmente con el muelle de ballesta sustituido; estando dicha lámina elástica solidarizada a lo largo de toda su longitud con dicha suela rígida, extendiéndose dicha lámina elástica sustancialmente desde la zona de puntera de dicha suela rígida hasta sustancialmente la zona de enfranque de dicha suela rígida.Alternatively, the first leaf spring can be replaced by an elastic sheet of a suitable material, that is, having elasticity characteristics sufficient to substantially correspond to the replaced leaf spring; said elastic sheet being supported along its entire length with said rigid sole, said elastic sheet extending substantially from the toe area of said rigid sole to substantially the area of the aforementioned rigid sole.
Un posible material a partir del cual puede estar formada dicha lámina elástica es el caucho.A possible material from which said elastic sheet may be formed is rubber.
De hecho, aunque las láminas de este material ejercen una fuerza de resistencia a la compresión generalmente menor que los muelles de ballesta, ajustando correctamente todas o parte de las variables implicadas (fuerza elástica del muelle de ballesta trasero, radio de curvatura del muelle trasero, etc.) pueden obtenerse resultados adecuados. La lámina elástica puede adoptar formas y contornos diferentes, por ejemplo, sustancialmente en forma de U. BREVE DESCRIPCIÓN DE LOS DIBUJOSIn fact, although the sheets of this material exert a force of compressive strength generally lower than the leaf springs, correctly adjusting all or part of the variables involved (elastic force of the rear leaf spring, radius of curvature of the rear spring, etc.) adequate results can be obtained. The elastic sheet can take different shapes and contours, for example, substantially U-shaped. BRIEF DESCRIPTION OF THE DRAWINGS
La figura 1 es una vista esquemática en alzado lateral de una suela rígida de zapato que incluye el trotín de la invención según una primera realización.Figure 1 is a schematic side elevation view of a rigid shoe sole that includes the boot of the invention according to a first embodiment.
La figura 2 es una vista esquemática en planta desde arriba de la parte delantera de una segunda realización del trotín de la invención.Figure 2 is a schematic plan view from above of the front part of a second embodiment of the trotter of the invention.
La figura 3 es una vista esquemática en planta desde arriba de una tercera realización del trotín de la invención. La figura 4 es una vista esquemática en alzado lateral de la parte trasera de una cuarta realización del trotín de la invención. DESCRIPCIÓN DETALLADA DE LA INVENCIÓNFigure 3 is a schematic plan view from above of a third embodiment of the trotter of the invention. Figure 4 is a schematic side elevation view of the rear of a fourth embodiment of the trotter of the invention. DETAILED DESCRIPTION OF THE INVENTION
Con relación inicialmente a la figura 1, en ella se muestra una suela rígida 1 de zapato que incluye un trotín de la invención según una primera realización de la invención.With reference initially to Figure 1, there is shown a rigid shoe sole 1 that includes a trotter of the invention according to a first embodiment of the invention.
Dicha suela rígida 1 incluye una zona delantera 3 generalmente cóncava y una zona trasera 5 generalmente convexa.Said rigid sole 1 includes a generally concave front zone 3 and a generally convex rear zone 5.
Dicho trotín según una primera realización de la invención comprende dos muelles primero 7 y segundo 9 de tipo de ballesta, de los cuales el primer muelle 7 emerge sustancialmente de la zona de puntera de dicha suela rígida 1 y llega sustancialmente hasta la zona de enfranque de dicha suela rígida 1 y el segundo muelle emerge sustancialmente de la zona de enfranque de dicha suela rígida 1 y llega sustancialmente hasta la zona de talón de dicha suela rígida 1. Dicho primer muelle 7 presenta una concavidad de radio mayor que el radio de concavidad de la zona delantera 3 y tres puntos 11, 13, 15 de apoyo, concretamente un punto 11 de apoyo anterior fijo, formado por un tornillo 23 atornillado a una tuerca 25 incrustada en dicha suela rígida 1, que une dicho primer muelle 7 a dicha suela rígida 1, y dos puntos 13, 15 de apoyo posteriores formados por sendos bloques elásticos de caucho adheridos a dicha suela rígida 1 por un lado y a dicho primer muelle 7 por el lado opuesto.Said trotter according to a first embodiment of the invention comprises two springs first 7 and second 9 of crossbow type, from which the first spring 7 substantially emerges from the toe area of said rigid sole 1 and substantially reaches the starting area of said rigid sole 1 and the second spring substantially emerges from the inlet zone of said rigid sole 1 and substantially reaches the heel area of said rigid sole 1. Said first spring 7 has a radius concavity greater than the radius of concavity of the front area 3 and three support points 11, 13, 15, specifically a fixed front support point 11, formed by a screw 23 screwed to a nut 25 embedded in said rigid sole 1, which joins said first spring 7 to said sole rigid 1, and two back support points 13, 15 formed by two elastic blocks of rubber adhered to said rigid sole 1 on one side and said first spring 7 on the opposite side.
Dicho segundo muelle 9 presenta una convexidad de radio menor que el radio de convexidad de la zona trasera 5 y tres dos puntos 17, 19, 21 de apoyo, concretamente un punto 17 de apoyo anterior fijo, formado por un tornillo 27 atornillado a una tuerca 29 incrustada en dicha suela rígida 1, que une dicho segundo muelle 9 a dicha suela rígida 1, y dos puntos 19, 21 de apoyo posteriores formados por sendos bloques elásticos de caucho adheridos a dicha suela rígida 1 por un lado y a dicho segundo muelle 9 por el lado opuesto.Said second spring 9 has a convexity of a smaller radius than the convexity radius of the rear zone 5 and three two supporting points 17, 19, 21, specifically a fixed anterior support point 17, formed by a screw 27 screwed to a nut 29 embedded in said rigid sole 1, which joins said second spring 9 to said rigid sole 1, and two rear support points 19, 21 formed by two elastic rubber blocks adhered to said rigid sole 1 on one side and to said second spring 9 on the opposite side.
Dicho segundo muelle 9 presenta además una pieza 31 de apoyo, o tacón, en su zona posterior de extremo. Dicha pieza 31 de apoyo está hecha de madera.Said second spring 9 also has a support piece 31, or heel, in its rear end area. Said support piece 31 is made of wood.
Haciendo referencia ahora a la figura 2 , en ella se muestra un primer muelle 7' de una segunda realización del trotín de la invención.Referring now to Figure 2, there is shown a first spring 7 'of a second embodiment of the trotter of the invention.
En esta segunda realización del trotín de la invención, los bloques de caucho de dichos puntos 13, 15 de apoyo de acuerdo con la primera realización descrita anteriormente han sido sustituidos por una ballesta intermedia 33, más pequeña que dicho muelle 7', dispuesta con la misma orientación operativa que dicho primer muelle 7' .In this second embodiment of the trotter of the invention, the rubber blocks of said support points 13, 15 according to the first embodiment described above have been replaced by an intermediate crossbow 33, smaller than said spring 7 ', arranged with the same operational orientation as said first spring 7 '.
Dicha ballesta intermedia 33 tiene un chaflán 35 en un lado de su extremo libre, destinado a compensar una presión desequilibrada sobre el trotín. Esto es, mucha gente tiende a ejercer más presión o bien sobre el flanco interior o bien sobre el flanco exterior del zapato al caminar. Dicho recorte 35 se proporciona entonces en el flanco opuesto a aquél sobre el que se ejerce más presión, con el fin de conseguir mayor estabilidad.Said intermediate crossbow 33 has a chamfer 35 on one side of its free end, intended to compensate for an unbalanced pressure on the trotter. That is, many people tend to exert more pressure either on the inner flank or on the outer flank of the shoe when walking. Said cutout 35 is then provided on the flank opposite that on which more pressure is exerted, in order to achieve greater stability.
La figura 2 también muestra dos agujeros pasantes 37 para el paso a su través de los tornillos (dos en esta realización) que formarán el punto de apoyo anterior fijo de dicho primer muelle T1 así como dos agujeros pasantes 39 para el paso a su través de los tornillos (dos en esta realización) que unirán dicha ballesta intermedia 33 a dicho primer muelle 7' y formarán el punto de apoyo de dicha ballesta intermedia 33. Los expertos en la técnica apreciarán que dicha configuración de ballesta intermedia se puede aplicar igualmente al segundo muelle de un trotín de acuerdo con 1a invención.Figure 2 also shows two through holes 37 for passage through the screws (two in this embodiment) that will form the fixed anterior support point of said first spring T 1 as well as two through holes 39 for passage therethrough. of the screws (two in this embodiment) that will join said intermediate crossbow 33 to said first spring 7 'and form the support point of said intermediate crossbow 33. Those skilled in the art will appreciate that said intermediate crossbow configuration can also be applied to the second spring of a trotter according to the invention.
La figura 3 muestra unos muelles primero 7'' y segundo 9'' de tipo de ballesta de una tercera realización del trotín de la invención, análogos a dichos muelles primero 7 y segundo 9 de tipo de ballesta de la primera realización del trotín de la invención, pero que incluyen además unos ribetes perimetrales longitudinales 41 de caucho que añaden un punto de apoyo variable. Dichos ribetes 41 tienen sección transversal de casquete esférico en esta realización, si bien su sección transversal puede adoptar otras formas.Figure 3 shows first 7 '' and second 9 '' springs of spring type of a third embodiment of the trotter of the invention, analogous to said first 7 and second 9 springs of crossbow type of the first embodiment of the trotter of the invention, but which also include longitudinal perimeter edges of rubber 41 that add a variable support point. Said edging 41 has a spherical cap cross section in this embodiment, although its cross section may take other forms.
La figura 3 también muestra dos agujeros pasantes 43 para el paso a su través de los tornillos (dos en esta realización) que formarán el punto de apoyo anterior fijo de dicho primer muelle 7'', y también dos agujeros pasantes 45 para el paso a su través de los tornillos (dos en esta realización) que formarán el punto de apoyo anterior fijo de dicho segundo muelle 9'', así como dos agujeros pasantes 47 para el paso a su través de los tornillos (dos en esta realización) que unirán un tacón a dicho segundo muelle 9' ' .Figure 3 also shows two through holes 43 for passage through the screws (two in this embodiment) that will form the fixed front support point of said first spring 7 '', and also two through holes 45 for passage to its through the screws (two in this embodiment) that will form the fixed anterior support point of said second spring 9 '', as well as two through holes 47 for passage through the screws (two in this embodiment) that will join a heel to said second spring 9 ''.
Finalmente, haciendo referencia a la figura 4, en ella se muestra un segundo muelle 9''' de una cuarta realización del trotín de la invención. Dicho segundo muelle 9' ' ' incluye una sección principal 53 de muelle propiamente dicho que se prolonga por su extremo libre, inicialmente en una primera sección 49 que se extiende hacia abajo y después en una segunda sección 51 que se extiende hacia delante, de modo que dichas secciones primera 49 y segunda 51 forman el tacón.Finally, referring to Figure 4, there is shown a second spring 9 '' 'of a fourth embodiment of the trotter of the invention. Said second spring 9 '' 'includes a main section 53 of the spring itself that extends along its free end, initially in a first section 49 that extends downwards and then in a second section 51 that extends forward, so that said first 49 and second 51 sections form the heel.
En esta realización, dichas secciones principal 53, primera 49 y segunda 51 están hechas integrales, de acero y del mismo grosor a lo largo de su longitud. Sin embargo, dichas secciones principal 53, primera 49 y segunda 51 pueden no ser integrales, ser de otros materiales distintos del acero (independientemente unas de otras) , y variar su grosor a lo largo de su longitud, dependiendo de la aplicación concreta del trotin.In this embodiment, said main sections 53, first 49 and second 51 are made integral, of steel and of the same thickness along its length. However, said main sections 53, first 49 and second 51 may not be integral, be of materials other than steel (independently of each other), and vary in thickness along its length, depending on the specific application of the trotin .
Según se describió anteriormente en la presente, también es posible otra realización alternativa de la invención, en la cual el primer muelle de ballesta está reemplazado por una lámina elástica de caucho sustancialmente en forma de U, que tiene además características de elasticidad suficientes como para corresponderse sustancialmente con el muelle de ballesta sustituido; estando dicha lámina elástica solidarizada a lo largo de toda su longitud con dicha suela rígida, extendiéndose dicha lámina elástica sustancialmente desde la zona de puntera de dicha suela rígida 1 hasta sustancialmente la zona de enfranque de dicha suela rígida 1. En otra realización alternativa, dicha lámina elástica tiene características de elasticidad variables a lo largo de su longitud de manera que, cuando dicha lámina está en contacto con el suelo, la fuerza de resistencia a la compresión es mayor en la zona de enfranque que en la zona de puntera.As described hereinbefore, another alternative embodiment of the invention is also possible, in which the first leaf spring is replaced by a substantially U-shaped rubber elastic sheet, which also has elasticity characteristics sufficient to correspond substantially with the spring replaced; said elastic sheet being supported along its entire length with said rigid sole, said elastic sheet extending substantially from the toe area of said rigid sole 1 to substantially the area of the aforementioned rigid sole 1. In another alternative embodiment, said elastic sheet has varying elasticity characteristics along its length so that, when said sheet is in contact with the ground, the compressive strength is greater in the area of collapse than in the toe zone.
Una posible forma de conseguir que la lámina elástica tenga una elasticidad variable a lo largo de su longitud es, por ejemplo, fabricar dicha lámina con una sección transversal perfilada.One possible way to achieve that the elastic sheet has a variable elasticity along its length is, for example, to manufacture said sheet with a profiled cross section.
Otra forma alternativa de conseguir que la lámina elástica tenga una elasticidad variable a lo largo de su longitud es fabricar dicha lámina con una densidad no uniforme.Another alternative way of ensuring that the elastic sheet has a variable elasticity along its length is to manufacture said sheet with a non-uniform density.
Naturalmente, permaneciendo igual el principio de la invención, las formas de realización y los detalles de construcción se pueden variar ampliamente con respecto a los descritos e ilustrados puramente a modo de ejemplo no limitativo, sin salir por ello del alcance de la invención como se define en las reivindicaciones adjuntas.Naturally, the principle of the invention remaining the same, the embodiments and construction details can be varied widely with respect to those described and illustrated purely by way of non-limiting example, without thereby departing from the scope of the invention as defined. in the appended claims.
A modo de ejemplo, las figuras adjuntas muestran un contorno preferido para los trotines, que corresponde esencialmente al contorno de una suela, truncado por la parte delantera. Sin embargo, el contorno de los trotines no está limitado a esta forma. By way of example, the attached figures show a preferred contour for the trotters, which essentially corresponds to the contour of a sole, truncated by the front. However, the contour of the trotters is not limited to this form.

Claims

- S -REIVINDICACIONES - S-REIVINDICATIONS
1.- Trotín para calzado, destinado a estar aplicado a la cara inferior de una suela rígida (1) de un zapato, incluyendo dicha suela rígida (1) una zona delantera (3) generalmente cóncava y una zona trasera (5) generalmente convexa, caracterizado porque comprende dos muelles primero (7, 7', 7'') y segundo (9, S'', 9'1') de tipo de ballesta, de los cuales el primer muelle (7, 7', 7'') emerge sustancialmente de la zona de puntera de dicha suela rígida (1) y llega sustancialmente hasta la zona de enfranque de dicha suela rígida (1) y el segundo muelle (9, 9'', 9''') emerge sustancialmente de la zona de enfranque de dicha suela rígida (1) y llega sustancialmente hasta la zona de talón de dicha suela rígida (1), presentando dicho primer muelle (7, 7;, T') una concavidad de radio mayor que el radio de concavidad de la zona delantera (3) de dicha suela rígida (1) y al menos dos puntos (11, 13, 15) de apoyo, concretamente un punto (11) de apoyo anterior fijo que une dicho primer muelle (7, 7', 7'') a dicha suela rígida (1) y al menos un punto (13, 15) de apoyo posterior elástico que actúa en compresión, y comprendiendo dicho segundo muelle (9, 9' ' , 9 ' ' ' ) una convexidad de radio menor que el radio de convexidad de la zona trasera (5) de dicha suela rígida1.- Shoe trotting, intended to be applied to the underside of a rigid sole (1) of a shoe, said rigid sole (1) including a generally concave front area (3) and a generally convex rear area (5) , characterized in that it comprises two first (7, 7 ', 7'') and second (9, S'',9' 1 ') spring springs, of which the first spring (7, 7', 7 '') substantially emerges from the toe area of said rigid soleplate (1) and substantially reaches the inlet zone of said rigid soleplate (1) and the second spring (9, 9'',9''') substantially emerges from the cooling zone of said rigid sole (1) and substantially reaches the heel area of said rigid sole (1), said first spring (7, 7 ;, T ') having a concavity of radius greater than the radius of concavity of the front area (3) of said rigid sole (1) and at least two support points (11, 13, 15), specifically a fixed anterior support point (11) that joins said first m uelle (7, 7 ', 7'') to said rigid sole (1) and at least one point (13, 15) elastic rear support acting in compression, and comprising said second spring (9, 9'', 9 ''') a convexity of radius smaller than the convexity radius of the rear area (5) of said rigid sole
(1) y al menos dos puntos (17, 19, 21) de apoyo, concretamente un punto (17) de apoyo anterior fijo que une dicho segundo muelle (9, 9'', S''') a dicha suela rígida(1) and at least two support points (17, 19, 21), specifically a fixed anterior support point (17) that joins said second spring (9, 9 '', S '' ') to said rigid sole
(1) y al menos un punto (19, 21) de apoyo posterior elástico que actúa en compresión, comprendiendo además dicho segundo muelle (9, 9'', 9'1') una pieza (31; 49, 51) de apoyo, o tacón, en su zona posterior de extremo. (1) and at least one elastic rear support point (19, 21) acting in compression, said second spring (9, 9 '', 9 ' 1 ') also comprising a support piece (31; 49, 51) , or heel, in its rear end zone.
2. - Trotín para calzado de acuerdo con la reivindicación 1, en el que dicho al menos un punto de apoyo (13, 15; 19, 21) posterior elástico de dicho primer muelle (7, T1 7'') y/o dicho segundo muelle (9, 9'', 9 ' ' ' ) comprende un bloque de caucho adherido a dicha suela rígida (1) por un lado y a dicho primer muelle (7, T1 I'1) y/o dicho segundo muelle (9, 9'', 9''') por el lado opuesto.2. - Trotter for footwear according to claim 1, wherein said at least one elastic rear support point (13, 15; 19, 21) of said first spring (7, T 1 7 '') and / or said second spring (9, 9 '', 9 ''') comprises a rubber block adhered to said rigid soleplate (1) on one side and to said first spring (7, T 1 I' 1 ) and / or said second spring (9, 9``, 9 ''') on the opposite side.
3.- Trotín para calzado de acuerdo con la reivindicación 1, en el que dicho al menos un punto de apoyo (13, 15; 19, 21) posterior elástico de dicho primer muelle (7, 7', I'1) y/o dicho segundo muelle (9, 9'', 9''') comprende una ballesta intermedia (33), más pequeña que dicho primer muelle (7, 7', 7'') y/o dicho segundo muelle (9, 9'', S'''), dispuesta con la misma orientación operativa que dicho primer muelle (7, 7', 7'') y/o dicho segundo muelle (9, 9'', 9' ' ' ) .3. Footwear trotting according to claim 1, wherein said at least one elastic backing point (13, 15; 19, 21) of said first spring (7, 7 ', I' 1 ) and / or said second spring (9, 9 '', 9 ''') comprises an intermediate crossbow (33), smaller than said first spring (7, 7', 7 '') and / or said second spring (9, 9 '', S '''), arranged in the same operational orientation as said first spring (7, 7', 7 '') and / or said second spring (9, 9 '', 9 ''').
4.- Trotín para calzado de acuerdo con una cualquiera de las reivindicaciones anteriores, en el que dicho primer muelle (7, 7', 7f/) y/o dicho segundo muelle (9, 9'', S''') incluyen además unos ribetes perimetrales longitudinales (41) de caucho.4.- Shoe trot according to any one of the preceding claims, wherein said first spring (7, 7 ', 7 f / ) and / or said second spring (9, 9'',S''') they also include longitudinal perimeter edges (41) of rubber.
5.- Trotín para calzado de acuerdo con cualquiera de las reivindicaciones anteriores caracterizado porque, el primer muelle (7, T, T') de ballesta está reemplazado por una lámina elástica de un material adecuado, esto es, que tiene características de elasticidad suficientes como para corresponderse sustancialmente con el muelle de ballesta sustituido; estando dicha lámina elástica solidarizada a lo largo de toda su longitud con dicha suela rígida (1) , extendiéndose dicha lámina elástica sustancialmente desde la zona de puntera de dicha suela rígida (1) hasta sustancialmente la zona de enfranque de dicha suela rígida (1) .5. Footwear trotter according to any of the preceding claims characterized in that the first spring (7, T, T ') of the crossbow is replaced by an elastic sheet of a suitable material, that is, having sufficient elasticity characteristics as to correspond substantially with the replaced leaf spring; said elastic sheet being supported along its entire length with said rigid sole (1), said elastic sheet extending substantially from the toe area of said sole rigid (1) to substantially the area of the said rigid sole (1).
6.- Trotín para calzado de acuerdo con la reivindicación 5 caracterizado porque, dicha lámina elástica está formada al menos parcialmente por caucho.6. Footwear shoe according to claim 5, characterized in that said elastic sheet is formed at least partially by rubber.
7.- Trotín para calzado de acuerdo con cualquiera de las reivindicaciones 5 y 6 caracterizado porque, dicha lámina elástica tiene una sección transversal perfilada de tal manera que cuando dicha lámina está en contacto con el suelo, la fuerza de resistencia a la compresión de dicha lámina elástica es mayor en la zona de enfranque, que en la zona de puntera.7. Footwear trotter according to any of claims 5 and 6 characterized in that said elastic sheet has a profiled cross section such that when said sheet is in contact with the ground, the compressive strength of said Elastic foil is larger in the area of chilling, than in the toe zone.
8,- Trotín para calzado de acuerdo con cualquiera de las reivindicaciones 5 a 7 caracterizado porque, dicha lámina elástica tiene una densidad no uniforme a lo largo de su longitud.8, - Shoe trot according to any of claims 5 to 7, characterized in that said elastic sheet has a non-uniform density along its length.
9.- Trotín para calzado de acuerdo con cualquiera de las reivindicaciones 5 a 8 caracterizado porque, dicha lámina elástica tiene sustancialmente forma de U. 9. Footwear shoe according to any of claims 5 to 8, characterized in that said elastic sheet is substantially U-shaped.
PCT/ES2008/000257 2007-04-16 2008-04-16 Spring-skate for footwear WO2008125716A1 (en)

Applications Claiming Priority (2)

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ESP200701012 2007-04-16
ES200701012A ES2310473B1 (en) 2007-04-16 2007-04-16 TROTIN FOR FOOTWEAR.

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
ITTO20090220A1 (en) * 2009-03-23 2010-09-24 Paolo Chiabotto SHOE SOLE DEVICE FOR INCREASING THE USER'S LIFTING, AND SHOES EQUIPPED WITH THIS DEVICE
USD1010297S1 (en) 2021-06-30 2024-01-09 Puma SE Shoe
US11974630B2 (en) 2021-01-20 2024-05-07 Puma SE Article of footwear having a sole plate

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ES2228209A1 (en) * 2002-04-02 2005-04-01 Abraham Martinez Diaz Catapult-type device for shoe production
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AT387695B (en) * 1983-07-07 1989-02-27 Oberleitner Horst Shoe, in particular sport shoe consisting of an upper part and a sole
ES2130333T3 (en) * 1993-11-25 1999-07-01 Youngsoul Park EXERCISE FOOTWEAR SOLE.
ES1028930U (en) * 1994-08-30 1995-04-01 Martinez Juan Rodriguez Flexible sole shoes. (Machine-translation by Google Translate, not legally binding)
ES2228209A1 (en) * 2002-04-02 2005-04-01 Abraham Martinez Diaz Catapult-type device for shoe production
US20060048411A1 (en) * 2002-11-25 2006-03-09 Lindqvist Wilhelm O Shoe system with a resilient shoe insert
US6928756B1 (en) * 2003-03-03 2005-08-16 Richard Haynes Jump assisting spring heel shoe

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20090220A1 (en) * 2009-03-23 2010-09-24 Paolo Chiabotto SHOE SOLE DEVICE FOR INCREASING THE USER'S LIFTING, AND SHOES EQUIPPED WITH THIS DEVICE
EP2233023A1 (en) 2009-03-23 2010-09-29 Paolo Chiabotto A device for soles of shoes suitable for increasing the elevation of the user, and shoes provided with said device
US11974630B2 (en) 2021-01-20 2024-05-07 Puma SE Article of footwear having a sole plate
USD1010297S1 (en) 2021-06-30 2024-01-09 Puma SE Shoe
USD1022421S1 (en) 2021-06-30 2024-04-16 Puma SE Shoe
USD1022422S1 (en) 2021-06-30 2024-04-16 Puma SE Shoe
USD1023531S1 (en) 2021-06-30 2024-04-23 Puma SE Shoe

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ES2310473B1 (en) 2009-12-03

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