EP3387937A1 - Shoe with improved sole - Google Patents
Shoe with improved sole Download PDFInfo
- Publication number
- EP3387937A1 EP3387937A1 EP18165704.0A EP18165704A EP3387937A1 EP 3387937 A1 EP3387937 A1 EP 3387937A1 EP 18165704 A EP18165704 A EP 18165704A EP 3387937 A1 EP3387937 A1 EP 3387937A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- length
- shoe
- limit
- groove
- face
- 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
- 238000013016 damping Methods 0.000 claims abstract description 40
- 230000035939 shock Effects 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000006096 absorbing agent Substances 0.000 claims 1
- 210000002683 foot Anatomy 0.000 description 34
- 230000001953 sensory effect Effects 0.000 description 6
- 208000014674 injury Diseases 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 230000008733 trauma Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 210000000474 heel Anatomy 0.000 description 3
- 210000003127 knee Anatomy 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 210000003108 foot joint Anatomy 0.000 description 2
- 210000004744 fore-foot Anatomy 0.000 description 2
- 239000002346 layers by function Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000001872 metatarsal bone Anatomy 0.000 description 2
- 210000003789 metatarsus Anatomy 0.000 description 2
- 230000037078 sports performance Effects 0.000 description 2
- 206010060820 Joint injury Diseases 0.000 description 1
- 210000001361 achilles tendon Anatomy 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 210000000459 calcaneus Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 210000003371 toe Anatomy 0.000 description 1
- 210000001226 toe joint Anatomy 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/141—Soles; Sole-and-heel integral units characterised by the constructive form with a part of the sole being flexible, e.g. permitting articulation or torsion
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/18—Resilient soles
- A43B13/181—Resiliency achieved by the structure of the sole
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/06—Running shoes; Track shoes
Definitions
- the invention relates to a shoe for different practices, such as urban use or sport.
- the shoe can be used for activities such as walking, running on flat terrain or in the mountains, wheeling, ball sport, cross-country skiing or telemark skiing, snowboarding, snowshoeing, Or other.
- the shoe For the intended uses, the shoe must have good damping capacity and flexibility.
- the purpose of damping is to reduce, or even prevent, the fatigue or the trauma that may result from support or impact on the ground, or from various demands.
- Flexibility on the other hand, must be understood as an ability to accompany certain deformations of a user's foot, relative movements of the foot and lower leg, or other, during a walking or running cycle. This is particularly to allow a smooth running during walking or running, and for this it is known to manufacture a shoe that is flexible at its leveling.
- the outer sole of a soft shoe comprises a damping sole consisting of a significant number of small platforms connected together by connecting elements.
- This structure makes the shock absorbing soleplate very flexible in transverse flexion, along a longitudinal axis, and also very flexible in longitudinal flexion, along a transverse axis. This is why the shock absorbing sole flexes easily to follow the course of the foot during a walking cycle, in the idea of respecting as much as possible the natural movement of the foot.
- the general object of the invention is to provide an improved shoe. More particularly, the invention seeks to make the ground support more stable, whether on regular or uneven ground. The invention still seeks to make the cushioning sole a flexible shoe capable of transmitting sensory information between the ground and the foot with fidelity, in whole or in part, to reduce the user's fatigue and increase his sports performance, or to reduce the risk of appearance of trauma.
- the invention provides a flexible shoe comprising an outer sole and a rod, the outer sole comprising a damping sole, the damping sole extending in length from a rear end to a front end, in width between a lateral side and a medial side, and in height from a lower face to an upper face, the lower face having lower grooves, the upper face having upper grooves, the lower grooves of the lower face being in front of the upper grooves from the upper side.
- the flexible shoe according to the invention is characterized in that the lower grooves of the lower face and the upper grooves of the upper face correspond to the main joints of the foot, and in that the lower grooves of the lower face and the grooves upper side delimit platforms of the shock absorbing sole.
- the platforms demarcate for the foot stable support zones.
- Each platform of the damping sole delimited by grooves or groove portions, directly and accurately transmits sensory information, supports, impacts and other solicitations.
- Each platform allows anatomical operation of the different joints of the foot in the sagittal, transverse and frontal planes during a walking or running cycle.
- the cushioning sole as a whole respects the articular mobility of the foot because it directly and accurately transmits sensory information, supports, impacts and other solicitations.
- the shock absorbing sole, and consequently also the sole assembly in its entirety faithfully follows each movement of unwinding of the foot, since it follows the joints.
- the invention therefore respects the kinematics of the foot joints, which operate independently of one another due to the specific disposition of the grooves.
- the structure of the shock absorbing sole allows the bones to move so as not to have any constraint to the advancement, that is to say to the walking or running movement. This allows the foot to function naturally. This is why the cushioning sole improves energy efficiency, respecting the natural biomechanics of the foot and maintaining a good level of damping.
- the cushioning sole does not constrain the foot, allows the mobility of the different joints of the foot and the lower limb, while reducing the constraints that are applied.
- Additional benefits to those related to better transmission of sensory information include reduced user fatigue and improved performance. its performance, or a reduction of the risk of trauma, either at the foot or at the knee, as will be seen later in the description.
- the course of the foot is more efficient during the contact phase with the ground due to a decrease in forces applied in the frontal and transverse planes, especially at the hip and knee, that is to say forces not directed in the direction of movement of the user.
- the invention provides an improved soft shoe.
- a walking shoe 1 is provided to accommodate the foot of the user.
- the shoe 1 comprises an outer sole 2 and a rod 3 secured to the sole.
- the stem is shown in dotted lines for convenience. It is simply not to weigh down the description.
- any rod structure known to those skilled in the art can be associated with the external sole assembly 2.
- the latter comprises a damping soleplate 4, which extends in length, in a longitudinal direction L, from a rear end 5 up to at a front end 6, in width, in a transverse direction W, between a lateral side 7 and a medial side 8, and in height from a lower face 9 to an upper face 10.
- the face 9 is called lower because intended to contact the ground, directly or indirectly.
- a not shown wear layer is secured to the underside 9.
- This is generally a layer of synthetic material, such as rubber or any suitable material, to give the shoe properties such as good ground adhesion.
- the wear layer may consist of a single piece, or several pieces. It may alternatively be provided several superimposed layers on the side of the lower face 9, with different mechanical properties.
- the face 10, for its part, is said to be superior because it is intended to be secured to the rod 3, directly or indirectly.
- a functional layer not shown is secured to the upper face 10.
- the functional layer may consist of a single piece, or of several pieces.
- the shoe 1 is structured to allow a smooth running of the foot during walking, transmissions of sensory information, and impulses for support or receptions. This is why the outer sole 2 and the rod 3 are relatively flexible. It will be better understood in the following description that, particularly, the damping sole 4 is flexible.
- the lower face 9 has lower grooves 11, 21, 27, 33, 37, 43
- the upper face 10 has upper grooves 14, 24, 30, 35, 40 , 45, the lower grooves of the lower face being opposite the upper grooves of the upper face. This facilitates reversible deformations of the damping sole, especially in bending.
- the lower grooves 11, 21, 27, 33, 37, 43 of the lower face 9 and the upper grooves 14, 24, 30, 35, 40, 45 of the upper face 10 correspond to the main joints of the foot.
- the lower grooves of the lower face 9 and the upper grooves of the upper face 10 delimit platforms 48 to 68 of the damping sole 4.
- the platforms demarcate for the foot stable support zones.
- the invention respects the kinematics of the foot joints, which operate independently of each other due to the specific arrangement of the grooves.
- the structure of the shock absorbing sole allows the bones to move so as not to have any constraint to the advancement, that is to say to the walking movement. This allows the foot to function naturally. This is why the cushioning sole improves energy efficiency, respecting the natural biomechanics of the foot and maintaining a good level of damping.
- the lower face 9 has a lower longitudinal groove 11 which extends from a rear limit 12 to a front limit 13, the rear limit 12 being remote from the rear end 5 by a distance between 0 and 20% of the length of the damping sole 4, the front limit 13 being away from the front end 6 by a distance of between 0 and 20% of the length of the damping sole,
- the upper face 10 has a upper longitudinal groove 14 which extends from a rear limit 15 to a front limit 16, the rear limit 15 being remote from the rear end 5 by a distance between 0 and 20% of the length of the damping sole , the front limit 16 being away from the front end 6 by a distance of between 0 and 20% of the length of the damping base, the lower longitudinal groove 11 bending over a portion of between 80.degree.
- the lower longitudinal groove 11 having a rear inflection point 17 located away from the rear end 5 at a distance between 30 and 60% of the length of the shoe, the lower longitudinal groove 11 having a point of inflection before 18 located away from the front end 6 at a distance between 10 and 30% of the length of the shoe, the lower longitudinal groove 11 deviating from the medial side 8 towards the lateral side 7 between the rear limit 12 and the rear inflection point 17, the lower longitudinal groove 11 deviating from the lateral side 7 towards the medial side 8 between the point of inflection rear 17 and the point of inflection before 18, the lower longitudinal groove 11 deviating from the medial side 8 to the lateral side 7 between the point of inflection before 18 and the front limit 13, the upper longitudinal groove bending on a portion between 80 and 100% of its length, the upper longitudinal groove 14 having a rear inflection point 19 located away from the rear end 5 at a distance between 30 and 60% of the length of the shoe, the upper longitudinal groove 14 having a point of inflection before 20 located away
- the arrangement of the lower longitudinal grooves 9 and upper 14 gives the damping base 4 transverse flexural ability, in all or in almost all of its length.
- the transverse bending is more marked at the grooves. This allows transverse support transfers, that is to say a passage of support from the lateral side to the medial side and vice versa.
- the lower face 9 has a first transverse groove 21 which extends from a lateral limit 22 to a medial limit 23, between a transverse line situated away from the front end 6 of a distance equal to 15% of the length of the boot and a transverse line located away from the front end 6 by a distance equal to 30% of the length of the boot, that the upper face 10 has a first transverse groove 24 which extends from a lateral limit 25 to a medial limit 26, between a transverse line located away from the front end 6 by a distance equal to 15% of the length of the shoe and a transverse line situated away from the front end 6 by a distance equal to 30% of the length of the boot, and that the first transverse groove 21 of the lower face 9 faces the first transverse groove 24 of the face superior 10.
- the first transverse grooves 21, 24 are in fact located in an area that corresponds to the toe joints. This facilitates the unfolding of the front part of the foot.
- the lower face 9 has a second transverse groove 27 which extends from a lateral limit 28 to a medial limit 29, between a transverse line situated away from the front end 6 of a distance equal to 30% of the length of the boot and a transverse line located away from the front end 6 by a distance equal to 45% of the length of the boot, in that the upper face 10 has a second transverse groove 30 which extends from a lateral limit 31 to a medial limit 32, between a transverse line located away from the front end 6 a distance equal to 30% of the length of the boot and a transverse line located away from the front end 6 by a distance equal to 45% of the length of the boot, and in that the second transverse groove 27 of the lower face 9 is opposite the second transverse groove 30 of the upper face 10.
- the second transverse grooves 27, 30 are in fact located in an area corresponding to the joints between the metatarsal and the toes. This also facilitates the unfolding of the front part of the foot.
- the lower face 9 has a first oblique groove 33 which extends from a lateral limit 34 to the longitudinal groove 11, between a transverse line situated away from the front end 6 of a distance equal to 35% of the length of the boot and a transverse line located away from the front end 6 by a distance equal to 60% of the length of the boot, that the upper face 10 has a first oblique groove 35 which extends from a lateral limit 36 to the longitudinal groove 14, between a transverse line located away from the front end 6 by a distance equal to 35% of the length of the shoe and a transverse line located away from the front end 6 by a distance equal to 60% of the length of the boot, and that the first oblique groove 33 of the lower face 9 is in front of the first oblique groove 35 of the upper face 10.
- the first s oblique grooves 33, 35 are in fact located in a lateral area of articulation between the metatarsus and the cuboid. This facilitates the unwinding of the
- the lower face 9 has a second oblique groove 37 which extends from a lateral limit 38 to a medial limit 39, between a transverse line located away from the front end 6 of a distance equal to 35% of the length of the shoe and a transverse line located away from the front end 6 by a distance equal to 75% of the length of the shoe
- the upper face 10 has a second oblique groove 40 which extends from a lateral limit 41 to a medial limit 42, between a transverse line located away from the front end 6 by a distance equal to 35% of the length of the shoe and a transverse line situated at a distance from the front end 6 by 75% of the length of the boot
- the second oblique groove 37 of the lower face 9 faces the second oblique groove 40 of the face upper 10.
- the second oblique grooves 37 , 40 are in fact located in an area of articulation between the calcaneus and the metatarsus. This facilitates deformities of the foot at the
- the lower face 9 has a third oblique groove 43 which extends from a medial limit 44 to the second oblique groove 37, between a transverse line situated away from the front end 6 of a distance equal to 50% of the length of the boot and a transverse line located away from the front end 6 by a distance equal to 75% of the length of the boot, that the upper face 10 has a third oblique groove 45 which extends from a medial limit 46 to the second oblique groove 40, between a transverse line located away from the front end 6 by a distance equal to 50% of the length of the shoe and a transverse line located away from the front end 6 by a distance equal to 75% of the length of the shoe, and that the third oblique groove 43 of the lower face 9 is in front of the third groove oblique 45 of the upper face 10.
- the third oblique grooves 43, 45 are in fact located in the area of the arch. This facilitates the deformations of the foot at the level of its vault.
- the upper face 10 has an additional longitudinal groove 47 situated between the lateral side 7 and the longitudinal groove 14, and extending between the rear end 5 and the second oblique groove 40.
- the longitudinal groove 47 is actually located in a heel area of the foot. This helps the heel of the foot to wedge transversely.
- the lower face 9 of the damping sole 4 has ten platforms 48 to 57, and the upper face 10 of the damping sole 4 has eleven platforms 58 to 68.
- These platforms are the divisions of the damping sole 4 which are delimited by the grooves. The platforms respectively allow the foot to find stable supports locally, especially during a movement of unfolding.
- the thickness of the damping sole 4 measured midway between the lateral side 7 and the medial side 8, is between 1 and 8 mm towards the front end 6 and between 5 and 25 mm towards the rear end 5, and that the thickness of the damping sole 4 increases from the front end 6 to the rear end 5. This is to ensure that the heel of the foot is slightly raised by report at the front of the foot. This strongly or totally avoids the appearance of trauma to the Achilles tendon.
- the depth of the grooves 11, 14, 21, 24, 27, 30, 33, 35, 37, 40, 43, 45, 47 of the damping sole 4 is becoming larger from the front end. 6 to the rearward end 5. This preserves the ability of the cushioning sole 4 to flex where it is thicker, i.e., rearward.
- damping sole 4 comprises an upper peripheral lip 69. This facilitates the joining together by bonding the rod 3 and the damping sole 4.
- the damping soleplate 4 is a single piece. This makes manufacturing easier and faster.
- the damping sole consists of several parts solidarized to each other. These parts can all be made of the same material or, alternatively, different materials can be used to make different parts.
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
Chaussure souple (1) comprenant un semelage externe (2) et une tige (3), le semelage externe (2) comprenant une semelle amortissante (4), la semelle amortissante (4) s'étendant en longueur depuis une extrémité arrière (5) jusqu'à une extrémité avant (6), en largeur entre un côté latéral (7) et un côté médial (8), et en hauteur depuis une face inférieure (9) jusqu'à une face supérieure (10), la face inférieure (9) présentant des rainures inférieures (11, 21, 27, 33, 37, 43), la face supérieure (10) présentant des rainures supérieures (14, 24, 30, 35, 40, 45, 47), les rainures inférieures de la face inférieure (9) étant en face des rainures supérieures de la face supérieure (10).A soft shoe (1) comprising an outer sole (2) and a shaft (3), the outer sole (2) comprising a cushioning sole (4), the cushioning sole (4) extending in length from a rear end (5). ) to a front end (6), in width between a lateral side (7) and a medial side (8), and in height from a lower face (9) to an upper face (10), the face lower part (9) having lower grooves (11, 21, 27, 33, 37, 43), the upper face (10) having upper grooves (14, 24, 30, 35, 40, 45, 47), the grooves lower side of the lower face (9) facing the upper grooves of the upper face (10).
Les rainures inférieures de la face inférieure (9) et les rainures supérieures de la face supérieure (10) correspondent aux principales articulations du pied. Les rainures inférieures de la face inférieure (9) et les rainures supérieures de la face supérieure (10) délimitent des plateformes (48 à 68) de la semelle amortissante (4). The lower grooves of the lower face (9) and the upper grooves of the upper face (10) correspond to the main joints of the foot. The lower grooves of the lower face (9) and the upper grooves of the upper face (10) define platforms (48 to 68) of the damping sole (4).
Description
L'invention se rapporte à une chaussure destinée à différentes pratiques, comme un usage urbain ou un sport. La chaussure peut être utilisée pour des activités telles que la marche, la course sur terrain plat ou en montagne, la planche à roues, un sport de balle, le ski de fond ou de télémark, le surf sur neige, la raquette à neige, ou autre.The invention relates to a shoe for different practices, such as urban use or sport. The shoe can be used for activities such as walking, running on flat terrain or in the mountains, wheeling, ball sport, cross-country skiing or telemark skiing, snowboarding, snowshoeing, Or other.
Pour les utilisations envisagées, la chaussure doit notamment présenter une bonne capacité d'amortissement et une certaine souplesse. L'amortissement a vocation à réduire, voire empêcher, les fatigues ou les traumatismes qui peuvent résulter d'appuis ou d'impacts sur le sol, ou de sollicitations diverses. La souplesse, quant à elle, doit être comprise comme une aptitude à accompagner certaines déformations du pied d'un utilisateur, des mouvements relatifs du pied et du bas de jambe, ou autre, pendant un cycle de marche ou de course. Il s'agit notamment de permettre un bon déroulement du pied pendant la marche ou la course, et pour cela il est connu de fabriquer une chaussure qui soit souple au niveau de son semelage.For the intended uses, the shoe must have good damping capacity and flexibility. The purpose of damping is to reduce, or even prevent, the fatigue or the trauma that may result from support or impact on the ground, or from various demands. Flexibility, on the other hand, must be understood as an ability to accompany certain deformations of a user's foot, relative movements of the foot and lower leg, or other, during a walking or running cycle. This is particularly to allow a smooth running during walking or running, and for this it is known to manufacture a shoe that is flexible at its leveling.
Par exemple, selon le document
Les avantages obtenus avec une chaussure selon le document
Par rapport à cela, l'invention a pour but général de fournir une chaussure améliorée. Plus particulièrement l'invention cherche à rendre les appuis au sol plus stables, que ce soit en terrain régulier ou accidenté. L'invention cherche encore à rendre la semelle amortissante d'une chaussure souple capable de transmettre les informations sensorielles entre le sol et le pied avec fidélité, en totalité ou en quasi-totalité, à réduire la fatigue de l'utilisateur et à augmenter ses performances sportives, ou encore à réduire le risque d'apparition de traumatismes.With respect to this, the general object of the invention is to provide an improved shoe. More particularly, the invention seeks to make the ground support more stable, whether on regular or uneven ground. The invention still seeks to make the cushioning sole a flexible shoe capable of transmitting sensory information between the ground and the foot with fidelity, in whole or in part, to reduce the user's fatigue and increase his sports performance, or to reduce the risk of appearance of trauma.
Pour ce faire, l'invention propose une chaussure souple comprenant un semelage externe et une tige, le semelage externe comprenant une semelle amortissante, la semelle amortissante s'étendant en longueur depuis une extrémité arrière jusqu'à une extrémité avant, en largeur entre un côté latéral et un côté médial, et en hauteur depuis une face inférieure jusqu'à une face supérieure, la face inférieure présentant des rainures inférieures, la face supérieure présentant des rainures supérieures, les rainures inférieures de la face inférieure étant en face des rainures supérieures de la face supérieure.To do this, the invention provides a flexible shoe comprising an outer sole and a rod, the outer sole comprising a damping sole, the damping sole extending in length from a rear end to a front end, in width between a lateral side and a medial side, and in height from a lower face to an upper face, the lower face having lower grooves, the upper face having upper grooves, the lower grooves of the lower face being in front of the upper grooves from the upper side.
La chaussure souple selon l'invention est caractérisée par le fait que les rainures inférieures de la face inférieure et les rainures supérieures de la face supérieure correspondent aux principales articulations du pied, et par le fait que les rainures inférieures de la face inférieure et les rainures supérieures de la face supérieure délimitent des plateformes de la semelle amortissante.The flexible shoe according to the invention is characterized in that the lower grooves of the lower face and the upper grooves of the upper face correspond to the main joints of the foot, and in that the lower grooves of the lower face and the grooves upper side delimit platforms of the shock absorbing sole.
Par leur localisation, les plateformes délimitent pour le pied des zones d'appui stables. Chaque plateforme de la semelle amortissante, délimitée par des rainures ou des portions de rainure, transmet directement et précisément les informations sensorielles, les appuis, les impacts et autres sollicitations. Chaque plateforme permet un fonctionnement anatomique des différentes articulations du pied dans les plans sagittal, transversal et frontal au cours d'un cycle de marche ou de course. De manière plus large il apparaît que la semelle amortissante dans son ensemble respecte la mobilité articulaire du pied, car elle transmet directement et précisément les informations sensorielles, les appuis, les impacts et autres sollicitations. On peut dire par corollaire que la semelle amortissante, et en conséquence aussi le semelage dans son intégralité, suit avec fidélité chaque mouvement de déroulement du pied, puisqu'il en suit les articulations. L'utilisateur perçoit avec exactitude ou avec fidélité les appuis, les impacts et, d'une manière plus générale, les diverses sollicitations qui se manifestent au niveau du semelage. L'invention respecte donc la cinématique des articulations du pied, lesquelles fonctionnent indépendamment les unes des autres du fait de la disposition spécifique des rainures. La structure de la semelle amortissante permet aux os de bouger pour ne pas avoir de contrainte à l'avancement, c'est-à-dire au mouvement de marche ou de course. Cela permet au pied de fonctionner de manière naturelle. C'est pourquoi la semelle amortissante améliore le rendement énergétique, en respectant la biomécanique naturelle du pied et en conservant un bon niveau d'amortissement. La semelle amortissante ne contraint pas le pied, autorise la mobilité des différentes articulations du pied et du membre inférieur, tout en réduisant les contraintes qui y sont appliquées.By their location, the platforms demarcate for the foot stable support zones. Each platform of the damping sole, delimited by grooves or groove portions, directly and accurately transmits sensory information, supports, impacts and other solicitations. Each platform allows anatomical operation of the different joints of the foot in the sagittal, transverse and frontal planes during a walking or running cycle. More generally, it appears that the cushioning sole as a whole respects the articular mobility of the foot because it directly and accurately transmits sensory information, supports, impacts and other solicitations. We can say by corollary that the shock absorbing sole, and consequently also the sole assembly in its entirety, faithfully follows each movement of unwinding of the foot, since it follows the joints. The user perceives with accuracy or fidelity the supports, the impacts and, more generally, the various solicitations which appear at the level of the assembly. The invention therefore respects the kinematics of the foot joints, which operate independently of one another due to the specific disposition of the grooves. The structure of the shock absorbing sole allows the bones to move so as not to have any constraint to the advancement, that is to say to the walking or running movement. This allows the foot to function naturally. This is why the cushioning sole improves energy efficiency, respecting the natural biomechanics of the foot and maintaining a good level of damping. The cushioning sole does not constrain the foot, allows the mobility of the different joints of the foot and the lower limb, while reducing the constraints that are applied.
Des avantages supplémentaires, à ceux liés à une meilleure transmission des informations sensorielles, sont notamment une réduction de la fatigue de l'utilisateur et une amélioration de ses performances, ou une réduction des risques de traumatismes, que ce soit au niveau du pied ou au niveau du genou, comme on le verra mieux par la suite dans la description. Le déroulement du pied est plus efficient lors de la phase de contact avec le sol du fait d'une diminution des forces appliquées dans les plans frontal et transversal, notamment au niveau de la hanche et du genou, c'est-à-dire des forces non dirigées dans le sens de déplacement de l'utilisateur.Additional benefits to those related to better transmission of sensory information include reduced user fatigue and improved performance. its performance, or a reduction of the risk of trauma, either at the foot or at the knee, as will be seen later in the description. The course of the foot is more efficient during the contact phase with the ground due to a decrease in forces applied in the frontal and transverse planes, especially at the hip and knee, that is to say forces not directed in the direction of movement of the user.
On peut dire de manière générale que l'invention propose une chaussure souple améliorée.It can be said in general that the invention provides an improved soft shoe.
D'autres caractéristiques et avantages de l'invention seront mieux compris à l'aide de la description qui va suivre, en regard des figures annexées, lesquelles illustrent une forme de réalisation non limitative, selon la liste ci-après:
- la
figure 1 est vue en perspective avant qui montre le dessous d'une semelle amortissante, pour une chaussure souple selon la forme de réalisation décrite, - la
figure 2 est vue du dessous de la semelle amortissante de lafigure 1 , - la
figure 3 est une du dessus de la semelle amortissante de lafigure 1 , - la
figure 4 est une coupe selon IV-IV de lafigure 3 , augmentée d'une représentation schématique de la tige de la chaussure.
- the
figure 1 is seen in front perspective which shows the underside of a damping sole, for a flexible shoe according to the embodiment described, - the
figure 2 is seen from below the shock absorbing sole of thefigure 1 , - the
figure 3 is one of the top of the shock absorbing sole of thefigure 1 , - the
figure 4 is a section IV-IV of thefigure 3 , augmented by a schematic representation of the upper of the shoe.
La forme de réalisation, qui va être décrite après à l'aide des
Comme on le comprend ensemble à l'aide des
De manière connue, la chaussure 1 comprend un semelage externe 2 et une tige 3 solidarisée au semelage. La tige est représentée en pointillé pour des raisons de commodité. Il s'agit simplement de ne pas alourdir la description. On précise que toute structure de tige connue de l'homme du métier peut être associée au semelage externe 2. Ce dernier comprend une semelle amortissante 4, laquelle s'étend en longueur, selon une direction longitudinale L, depuis une extrémité arrière 5 jusqu'à une extrémité avant 6, en largeur, selon une direction transversale W, entre un côté latéral 7 et un côté médial 8, et en hauteur depuis une face inférieure 9 jusqu'à une face supérieure 10.In known manner, the
La face 9 est dite inférieure parce que destinée à contacter le sol, directement ou indirectement. Lorsque le contact est indirect, alors par exemple une couche d'usure non représentée est solidarisée à la face inférieure 9. Il s'agit généralement d'une couche de matière synthétique, comme du caoutchouc ou tout matériau approprié, pour conférer à la chaussure des propriétés comme une bonne adhérence au sol. La couche d'usure peut être constituée d'une seule pièce, ou de plusieurs pièces. Il peut alternativement être prévu plusieurs couches superposées du côté de la face inférieure 9, avec des propriétés mécaniques différentes.The
La face 10, quant à elle, est dite supérieure parce que destinée à être solidarisée à la tige 3, directement ou indirectement. Lorsque la solidarisation est indirecte, alors par exemple une couche fonctionnelle non représentée est solidarisée à la face supérieure 10. Dans le même esprit que pour la couche d'usure, la couche fonctionnelle peut être constituée d'une seule pièce, ou de plusieurs pièces.The
La chaussure 1 est structurée pour permettre un bon déroulement du pied pendant la marche, des transmissions d'informations sensorielles, et des impulsions pour des appuis ou des réceptions. C'est pourquoi le semelage externe 2 et la tige 3 sont relativement souples. On comprendra mieux dans la suite de la description que, particulièrement, la semelle amortissante 4 est souple.The
En ce qui concerne plus précisément la structure de la semelle amortissante, la face inférieure 9 présente des rainures inférieures 11, 21, 27, 33, 37, 43, la face supérieure 10 présente des rainures supérieures 14, 24, 30, 35, 40, 45, les rainures inférieures de la face inférieure étant en face des rainures supérieures de la face supérieure. Cela facilite des déformations réversibles de la semelle amortissante, notamment en flexion.With regard more specifically to the structure of the damping sole, the
Selon l'invention, les rainures inférieures 11, 21, 27, 33, 37, 43 de la face inférieure 9 et les rainures supérieures 14, 24, 30, 35, 40, 45 de la face supérieure 10 correspondent aux principales articulations du pied, et les rainures inférieures de la face inférieure 9 et les rainures supérieures de la face supérieure 10 délimitent des plateformes 48 à 68 de la semelle amortissante 4.According to the invention, the
Par leur localisation, les plateformes délimitent pour le pied des zones d'appui stables. L'invention respecte la cinématique des articulations du pied, lesquelles fonctionnent indépendamment les unes des autres du fait de la disposition spécifique des rainures. La structure de la semelle amortissante permet aux os de bouger pour ne pas avoir de contrainte à l'avancement, c'est-à-dire au mouvement de marche. Cela permet au pied de fonctionner de manière naturelle. C'est pourquoi la semelle amortissante améliore le rendement énergétique, en respectant la biomécanique naturelle du pied et en conservant un bon niveau d'amortissement.By their location, the platforms demarcate for the foot stable support zones. The invention respects the kinematics of the foot joints, which operate independently of each other due to the specific arrangement of the grooves. The structure of the shock absorbing sole allows the bones to move so as not to have any constraint to the advancement, that is to say to the walking movement. This allows the foot to function naturally. This is why the cushioning sole improves energy efficiency, respecting the natural biomechanics of the foot and maintaining a good level of damping.
En considérant plus particulièrement les
On peut voir encore que la face inférieure 9 présente une première rainure transversale 21 qui s'étend d'une limite latérale 22 à une limite médiale 23, entre une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 15 % de la longueur de la chaussure et une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 30 % de la longueur de la chaussure, que la face supérieure 10 présente une première rainure transversale 24 qui s'étend d'une limite latérale 25 à une limite médiale 26, entre une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 15 % de la longueur de la chaussure et une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 30 % de la longueur de la chaussure, et que la première rainure transversale 21 de la face inférieure 9 est en face de la première rainure transversale 24 de la face supérieure 10. Les premières rainures transversales 21, 24 sont en fait situées dans une zone qui correspond aux articulations des orteils. Cela facilite le déroulement de la partie avant du pied.It can be seen again that the
On peut voir encore que la face inférieure 9 présente une deuxième rainure transversale 27 qui s'étend d'une limite latérale 28 à une limite médiale 29, entre une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 30 % de la longueur de la chaussure et une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 45 % de la longueur de la chaussure, par le fait que la face supérieure 10 présente une deuxième rainure transversale 30 qui s'étend d'une limite latérale 31 à une limite médiale 32, entre une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 30 % de la longueur de la chaussure et une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 45 % de la longueur de la chaussure, et par le fait que la deuxième rainure transversale 27 de la face inférieure 9 est en face de la deuxième rainure transversale 30 de la face supérieure 10. Les deuxièmes rainures transversales 27, 30 sont en fait situées dans une zone qui correspond aux articulations entre le métatarse et les orteils. Cela facilite également le déroulement de la partie avant du pied.It can be seen again that the
On peut voir encore que la face inférieure 9 présente une première rainure oblique 33 qui s'étend d'une limite latérale 34 jusqu'à la rainure longitudinale 11, entre une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 35 % de la longueur de la chaussure et une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 60 % de la longueur de la chaussure, que la face supérieure 10 présente une première rainure oblique 35 qui s'étend d'une limite latérale 36 jusqu'à la rainure longitudinale 14, entre une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 35 % de la longueur de la chaussure et une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 60 % de la longueur de la chaussure, et que la première rainure oblique 33 de la face inférieure 9 est en face de la première rainure oblique 35 de la face supérieure 10. Les premières rainures obliques 33, 35 sont en fait situées dans une zone latérale d'articulation entre le métatarse et le cuboïde. Cela facilite le déroulement du pied du côté latéral.It can be seen again that the
On peut voir encore que la face inférieure 9 présente une deuxième rainure oblique 37 qui s'étend d'une limite latérale 38 à une limite médiale 39, entre une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 35 % de la longueur de la chaussure et une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 75 % de la longueur de la chaussure, que la face supérieure 10 présente une deuxième rainure oblique 40 qui s'étend d'une limite latérale 41 à une limite médiale 42, entre une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 35 % de la longueur de la chaussure et une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 75 % de la longueur de la chaussure, et que la deuxième rainure oblique 37 de la face inférieure 9 est en face de la deuxième rainure oblique 40 de la face supérieure 10. Les deuxièmes rainures obliques 37, 40 sont en fait situées dans une zone d'articulation entre le calcanéum et le métatarse. Cela facilite les déformations du pied au niveau du métatarse.It can be seen again that the
On peut voir encore que la face inférieure 9 présente une troisième rainure oblique 43 qui s'étend d'une limite médiale 44 jusqu'à la deuxième rainure oblique 37, entre une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 50 % de la longueur de la chaussure et une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 75 % de la longueur de la chaussure, que la face supérieure 10 présente une troisième rainure oblique 45 qui s'étend d'une limite médiale 46 jusqu'à la deuxième rainure oblique 40, entre une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 50 % de la longueur de la chaussure et une ligne transversale située à l'écart de l'extrémité avant 6 d'une distance égale à 75 % de la longueur de la chaussure, et que la troisième rainure oblique 43 de la face inférieure 9 est en face de la troisième rainure oblique 45 de la face supérieure 10. Les troisièmes rainures obliques 43, 45 sont en fait situées dans la zone de la voûte plantaire. Cela facilite les déformations du pied au niveau de sa voûte.It can be seen again that the
On peut voir encore que la face supérieure 10 présente une rainure longitudinale supplémentaire 47, située entre le côté latéral 7 et la rainure longitudinale 14, et s'étendant entre l'extrémité arrière 5 et la deuxième rainure oblique 40. La rainure longitudinale 47 est en fait située dans une zone de talon du pied. Cela aide le talon du pied à se caler transversalement.It can be seen again that the
On peut voir encore que la face inférieure 9 de la semelle amortissante 4 présente dix plateformes 48 à 57, et que la face supérieure 10 de la semelle amortissante 4 présente onze plateformes 58 à 68. Ces plateformes sont les divisions de la semelle amortissante 4 qui sont délimitées par les rainures. Les plateformes permettent respectivement au pied de trouver des appuis stables localement, notamment pendant un mouvement de déroulement.It can be seen again that the
En considération surtout de la
On peut voir également que la profondeur des rainures 11, 14, 21, 24, 27, 30, 33, 35, 37, 40, 43, 45, 47 de la semelle amortissante 4 est de plus en plus grande depuis l'extrémité avant 6 vers l'extrémité arrière 5. Cela préserve l'aptitude de la semelle amortissante 4 à fléchir là où elle est plus épaisse, c'est-à-dire vers l'arrière.It can also be seen that the depth of the
On peut voir encore que les surfaces inférieures des plateformes inférieures 48 à 57 sont contenues dans une surface enveloppe inférieure régulière, et que les surfaces supérieures des plateformes supérieures 58 à 68 sont contenues dans une surface enveloppe supérieure régulière. Il s'agit là de rendre le déroulement du pied pendant un cycle de marche le plus régulier possible.It can still be seen that the lower surfaces of the
On constate en complément que la semelle amortissante 4 comprend une lèvre périphérique supérieure 69. Cela facilite la solidarisation ensemble par collage de la tige 3 et de la semelle amortissante 4.It is found in addition that the damping sole 4 comprises an upper
On constate enfin que, de manière non limitative, la semelle amortissante 4 est une pièce monobloc. Cela rend la fabrication plus simple et plus rapide. Il peut néanmoins alternativement être prévu que la semelle amortissante soit constituée de plusieurs parties solidarisées les unes aux autres. Ces parties peuvent être toutes faites avec le même matériau ou, alternativement, différents matériaux peuvent être utilisés pour faire différentes parties.Finally, it can be seen that, in a nonlimiting manner, the damping
Dans tous les cas l'invention est réalisée à partir de matériaux et selon des techniques de mise en oeuvre connus de l'homme du métier.In all cases the invention is made from materials and according to processing techniques known to those skilled in the art.
Bien entendu l'invention n'est pas limitée à la forme de réalisation ci-avant décrite, et comprend tous les équivalents techniques pouvant entrer dans la portée des revendications qui vont suivre.Naturally, the invention is not limited to the embodiment described above, and includes all technical equivalents that fall within the scope of the claims that follow.
En particulier il peut être prévu différentes courbures pour la réalisation des rainures.In particular, different curvatures may be provided for producing the grooves.
Claims (15)
caractérisée par le fait que les rainures inférieures (11, 21, 27, 33, 37, 43) de la face inférieure (9) et les rainures supérieures (14, 24, 30, 35, 40, 45, 47) de la face supérieure (10) correspondent aux principales articulations du pied, et par le fait que les rainures inférieures de la face inférieure (9) et les rainures supérieures de la face supérieure (10) délimitent des plateformes (48 à 68) de la semelle amortissante (4).A soft shoe (1) comprising an outer sole (2) and a shaft (3), the outer sole (2) comprising a cushioning sole (4), the cushioning sole (4) extending in length from a rear end (5). ) to a front end (6), in width between a lateral side (7) and a medial side (8), and in height from a lower face (9) to an upper face (10), the face lower part (9) having lower grooves (11, 21, 27, 33, 37, 43), the upper face (10) having upper grooves (14, 24, 30, 35, 40, 45, 47), the grooves lower portions of the lower face (9) facing the upper grooves of the upper face (10),
characterized in that the lower grooves (11, 21, 27, 33, 37, 43) of the lower face (9) and the upper grooves (14, 24, 30, 35, 40, 45, 47) of the face upper (10) correspond to the main joints of the foot, and in that the lower grooves of the lower face (9) and the upper grooves of the upper face (10) delimit platforms (48 to 68) of the damping sole ( 4).
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FR1700408A FR3065152B1 (en) | 2017-04-13 | 2017-04-13 | IMPROVED SOLE SHOE |
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EP3387937B1 (en) | 2021-07-21 |
FR3065152A1 (en) | 2018-10-19 |
US20180295935A1 (en) | 2018-10-18 |
CN108720168B (en) | 2022-03-22 |
CN108720168A (en) | 2018-11-02 |
US10813406B2 (en) | 2020-10-27 |
FR3065152B1 (en) | 2020-01-03 |
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