EP3056102B1 - Shoe sole and shoe having such a shoe sole - Google Patents

Shoe sole and shoe having such a shoe sole Download PDF

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Publication number
EP3056102B1
EP3056102B1 EP16155559.4A EP16155559A EP3056102B1 EP 3056102 B1 EP3056102 B1 EP 3056102B1 EP 16155559 A EP16155559 A EP 16155559A EP 3056102 B1 EP3056102 B1 EP 3056102B1
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European Patent Office
Prior art keywords
shoe sole
rotation
shoe
area
base
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EP16155559.4A
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German (de)
French (fr)
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EP3056102A1 (en
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Jürgen Stumpf
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1455—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties
    • 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
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/1435—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the joint between the fifth phalange and the fifth metatarsal bone
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/144—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the heel, i.e. the calcaneus bone
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1475—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the type of support
    • A43B7/148—Recesses or holes filled with supports or pads
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1475—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the type of support
    • A43B7/149—Pads, e.g. protruding on the foot-facing surface
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/24—Insertions or other supports preventing the foot canting to one side , preventing supination or pronation

Definitions

  • the invention relates to a shoe sole for an orthopedic shoe, which has a heel area and a forefoot area, wherein the heel area comprises an impact absorber and the forefoot area has an elastically restoring rotational element with a rotation axis perpendicular to the shoe sole, the rotational element having a base adjoins the underside of the shoe sole, and wherein the rotation element is designed so that it allows at least a limited outer rotation of the shoe sole relative to the base about the axis of rotation.
  • a rotating element which closes with the bottom of the shoe sole.
  • the rotary member has a base to which is attached the top of a rotary plate which is in a ring against which it can rotate.
  • a cover plate Above the ring is a cover plate, wherein between the end plate and the rotary plate, a spring element is arranged, which allows a symmetrical deflection of the rotary plate relative to the end plate.
  • Performance dampers are used as orthopedic elements to influence the walking and walking behavior of people with musculoskeletal disorders. In persons with hip problems it has been shown that these measures alone are not sufficient to achieve a fluent walking behavior.
  • the leg When walking, the leg is moved forward to perform a step, with the pelvis following that movement by rotating forward around the hip joint of the leg. In people with hip problems this causes pain, so that they tense and stiffen the hip area of the supporting leg, but this leads to the step being shortened.
  • Another condition for use in orthopedics is that the position of the axis of rotation of the rotary element is adaptable to the walking behavior of the shoe wearer.
  • the invention is thus based on the object to provide a shoe sole or a shoe that individually the walking behavior of a person is adapted to allow her even with hip problems, a fluid walking.
  • the invention proposes that the transverse extent of the rotary element is at least 30% smaller than the transverse extent of the shoe sole in the forefoot, so that the position of the rotary element in the manufacture of the shoe sole between a position on the outer edge of the shoe sole and a position on the inner edge of the shoe sole is determinable, and that the restoring force at an elastic return to an outer rotation is smaller than that for an internal rotation.
  • An external rotation is understood to mean a movement of the foot in which the forefoot region turns outward relative to the person's body. This means for the right foot to turn clockwise when viewed from above, and for the left foot to rotate counterclockwise.
  • external rotation is intended to describe only the direction of rotation, but not the position of the axis of rotation. External rotation occurs when the heel stays in place and the forefoot area moves outward, but also when the forefoot area remains in place and the heel moves inward.
  • the rotation in the sole of the foot should preferably take place in the area of the forefoot over which the foot rolls. Therefore, the lateral extent of the rotational element is smaller than that of the shoe sole in the forefoot region, so that it can be placed in a suitable, individual position of the forefoot region during manufacture.
  • the rotational movement of the shoe sole or of the shoe of the supporting leg could also be achieved in one step by a smooth underside of the shoe sole, so that it rotates on the ground.
  • the underside of the base has a coefficient of friction which is at least as great as the friction coefficient of the underside of the shoe sole in the forefoot area.
  • the base may be an integral part of the lower layer of the shoe sole.
  • the rotation element Since the invention requires only a limited external rotation of the shoe sole relative to the base, it may possibly be sufficient for the rotation element to allow only one outer rotation and one automatic return after one outer rotation. The reset occurs as soon as the leg disengages from the ground and becomes the petal that performs the next step.
  • the rotation element can be executed in different ways.
  • One possibility is that the rotary element above the base and inside the shoe sole has a torsion element whose torsion axis is substantially perpendicular to the shoe sole.
  • the torsion element preferably has a certain basic torsion, so that a direction of rotation is predetermined when a vertical pressure is exerted parallel to the torsion axis, which corresponds to the desired external rotation of the respective shoe sole.
  • the torsion element has at the same time an internal tension, which causes the above-mentioned provision for pressure relief.
  • the torsion element consists of a precaution of a fiber bundle, wherein the fibers are substantially perpendicular to the shoe sole surface.
  • the fibers of the fiber bundle are inclined in the outer direction of rotation. With an axial load of the fiber bundle, they therefore tend even more in the outer direction of rotation, so that the rotation of the foot is supported.
  • the performance damper and the rotation element described above are adapted according to the invention to the individual behavior of a person.
  • the impact absorber of the heel area is therefore arranged in the previously determined occurrence area.
  • the rotation element should be at the point where the greatest pressure is built up when rolling in the forefoot area.
  • a method for producing a customized shoe sole therefore provides that for one person the appearance area in the heel area and the roll area in the forefoot area are determined. An entrance damper will then be in the entrance area the shoe sole and a rotating element placed in the rolling area of the shoe sole.
  • the contact pressure and the rolling pressure can also be determined.
  • the impact damper can be adapted to the measured contact pressure and the rotary element to the measured rolling pressure.
  • the invention further relates to a shoe with a shoe sole described above.
  • FIG. 1 This shows a shoe sole 1 for a right foot in plan view.
  • a shoe sole 1 is adapted to the outer contour of a foot.
  • the shoe sole, not shown, for a left foot is constructed mirror-inverted.
  • the shoe sole 1 has a heel area 2 and a forefoot area 3.
  • the exact location of the entrance damper 5 and the rotary member 7 are determined individually. For this purpose, the running behavior of a person is measured and the position of the area 4 and the Abroll Schemees 6 and the pressures occurring there determined. Accordingly, in an individual production of the shoe sole 1, the impact damper 5 and the rotary element 7 are placed or designed in their properties or damping or spring properties.
  • Fig. 2 shows a non-inventive manner within a longitudinal section through the shoe sole 1, which in the Fig. 1 designated AA.
  • a lens-shaped sliding zone 10 which consists of a slot 11 between the base 12 and a head 13.
  • the thin arc over the slot 11 is intended to indicate the depth of the slot 11 across the section line A-A.
  • Head 13 and base 12 are integral with shoe sole 1. To facilitate sliding of the facing surfaces of base 12 and head 13, these surfaces may be provided with friction preventing coatings. It would be conceivable z. As a coating with Teflon.
  • the lower side of the base so the side facing the ground, has a high coefficient of friction, so that adhesion to the underground floor is guaranteed.
  • the base 12, so the area of the shoe sole below the sliding zone thus remains on the ground, while the rest of the shoe sole rotates with a rotational movement of the foot relative to the base 12, wherein the facing surfaces of head 13 and base 12 slide on each other.
  • a gel pad 14 may be provided.
  • the rotational movement can be controlled.
  • the thin arc over the gel pad 14 indicates the depth of the gel pad 14 across the section line AA.
  • Fig. 4 shows an embodiment of the rotation element 7.
  • a torsion element 15 is arranged in the form of a fiber bundle between the base 12 and the head 13, which completely fills the area between the base 12 and the head 13.
  • the thin arc over the torsion element 15 indicates the depth of the torsion element 15 transversely to the section line AA.
  • the fiber bundle consists of a plurality of individual fibers, which are aligned substantially parallel to each other and slightly inclined to a vertical stand on the shoe sole surface.
  • the fiber bundle thereby has a slight base torsion, ie, the individual fibers are inclined in the direction of rotation.
  • the fibers are tilted, so that the torsion angle is increased.
  • the voltage in the torsion element 15 increases, so that at a pressure relief, a provision is made.

Description

Die Erfindung bezieht sich auf eine Schuhsohle für einen orthopädischen Schuh, die einen Fersenbereich und einen Vorfußbereich besitzt, wobei der Fersenbereich einen Auftrittsdämpfer und der Vorfußbereich ein sich elastisch rückstellendes Rotationselement mit einer senkrecht zur Schuhsohle verlaufenden Rotationsachse aufweist, wobei das Rotationselement eine Basis aufweist, die an der Unterseite der Schuhsohle anschließt, und wobei das Rotationselement so gestaltet ist, dass es wenigstens eine begrenzte Außendrehung der Schuhsohle gegenüber der Basis um die Rotationsachse erlaubt.The invention relates to a shoe sole for an orthopedic shoe, which has a heel area and a forefoot area, wherein the heel area comprises an impact absorber and the forefoot area has an elastically restoring rotational element with a rotation axis perpendicular to the shoe sole, the rotational element having a base adjoins the underside of the shoe sole, and wherein the rotation element is designed so that it allows at least a limited outer rotation of the shoe sole relative to the base about the axis of rotation.

Derartige Schuhsohlen sind bekannt, wobei die Dämpfungseigenschaften des Auftrittsdämpfers je nach Verwendung des Schuhs unterschiedlich stark ausgeprägt sind.Such shoe soles are known, wherein the damping properties of the impact damper are pronounced different degrees depending on the use of the shoe.

Im Bereich von Sportschuhen ist es bekannt, den vorderen Bereich der Schuhsohle mit einem Rotationselement zu versehen, um Verletzungen zu vermeiden. Aus der US 2009/ 0113761 A1 ist z. B. ein Rotationselement bekannt, das mit der Unterseite der Schuhsohle abschließt. Das Rotationselement besitzt eine Basis, an der die Oberseite einer Drehplatte befestigt ist, die in einem Ring liegt, gegenüber dem sie sich drehen kann. Oberhalb des Ringes befindet sich eine Abschlussplatte, wobei zwischen der Abschlussplatte und der Drehplatte ein Federelement angeordnet ist, das eine symmetrische Auslenkung der Drehplatte gegenüber der Abschlussplatte erlaubt.In the field of sports shoes, it is known to provide the front portion of the shoe sole with a rotating element to avoid injury. From the US 2009/0113761 A1 is z. B. a rotating element is known, which closes with the bottom of the shoe sole. The rotary member has a base to which is attached the top of a rotary plate which is in a ring against which it can rotate. Above the ring is a cover plate, wherein between the end plate and the rotary plate, a spring element is arranged, which allows a symmetrical deflection of the rotary plate relative to the end plate.

Ähnliche Ausführungen sind aus der GB 2506694 A sowie aus der US 6,035,559 A bekannt. Die Rotationselemente sind jeweils zentral im Vorfußbereich angeordnet und erlauben eine symmetrische Auslenkung zu beiden Seiten. Eine Schuhsohle mit den Merkmalen des Oberbegriffs des Anspruchs 1 ist aus WO 2015/166293 bekannt.Similar designs are from the GB 2506694 A as well as from the US 6,035,559 A known. The rotation elements are each arranged centrally in the forefoot area and allow a symmetrical deflection on both sides. A shoe sole with the features of the preamble of claim 1 is made WO 2015/166293 known.

In der Orthopädie besteht aber folgendes Problem:In orthopedics, however, there is the following problem:

Auftrittsdämpfer werden als orthopädische Elemente benutzt, um das Lauf- und Gehverhalten von Personen mit Beschwerden im Bewegungsapparat zu beeinflussen. Bei Personen mit Hüftproblemen hat sich gezeigt, dass diese Maßnahmen alleine nicht ausreichen, um ein flüssiges Gehverhalten zu erreichen.Performance dampers are used as orthopedic elements to influence the walking and walking behavior of people with musculoskeletal disorders. In persons with hip problems it has been shown that these measures alone are not sufficient to achieve a fluent walking behavior.

Beim Gehen wird zur Ausführung eines Schrittes das Spielbein nach vorne bewegt, wobei das Becken dieser Bewegung folgt, indem es sich um das Hüftgelenk des Standbeines drehend nach vorne bewegt. Bei Personen mit Hüftproblemen bereitet dies Schmerzen, so dass diese den Hüftbereich des Standbeines anspannen und versteifen, was aber dazu führt, dass der Schritt verkürzt wird.When walking, the leg is moved forward to perform a step, with the pelvis following that movement by rotating forward around the hip joint of the leg. In people with hip problems this causes pain, so that they tense and stiffen the hip area of the supporting leg, but this leads to the step being shortened.

Die aus dem Sportbereich bekannten oben zitierten Lösungen sind hier aber nicht geeignet, da vor allem die symmetrische Ausgestaltung der Rückstellung keine genaue Anpassung an die speziellen Bedürfnisse beim Gehen von Personen mit Hüftproblemen darstellt.However, the solutions cited above from the field of sports are not suitable here since, in particular, the symmetrical configuration of the provision does not represent an exact adaptation to the specific needs of walking persons with hip problems.

Eine weitere Bedingung für die Verwendung in der Orthopädie ist, dass die Lage der Rotationsachse des Rotationselementes an das Gehverhalten des Schuhträgers anpassbar ist.Another condition for use in orthopedics is that the position of the axis of rotation of the rotary element is adaptable to the walking behavior of the shoe wearer.

Die Erfindung beruht somit auf der Aufgabe, eine Schuhsohle bzw. einen Schuh zu schaffen, der individuell auf das Gehverhalten einer Person angepasst ist, um ihr auch bei Hüftproblemen ein flüssiges Gehen zu erlauben.The invention is thus based on the object to provide a shoe sole or a shoe that individually the walking behavior of a person is adapted to allow her even with hip problems, a fluid walking.

Zur Lösung des Problems schlägt die Erfindung vor, dass die Querausdehnung des Rotationselementes um mindestens 30% kleiner ist als die Querausdehnung der Schuhsohle im Bereich des Vorfußes, so dass die Lage des Rotationselementes bei der Herstellung der Schuhsohle zwischen einer Position an der Außenkante der Schuhsohle und einer Position an der Innenkante der Schuhsohle bestimmbar ist, und dass die Rückstellkraft bei einer elastischen Rückstellung gegenüber einer Außendrehung kleiner ist als die für eine Innendrehung.To solve the problem, the invention proposes that the transverse extent of the rotary element is at least 30% smaller than the transverse extent of the shoe sole in the forefoot, so that the position of the rotary element in the manufacture of the shoe sole between a position on the outer edge of the shoe sole and a position on the inner edge of the shoe sole is determinable, and that the restoring force at an elastic return to an outer rotation is smaller than that for an internal rotation.

Durch diese Ausgestaltung der Schuhsohle mit einem Rotationselement wird die Drehung des Beckens vom Hüftgelenk des Standbeines in die Schuhsohle verlegt. Bei einer Schrittbewegung des Spielbeines verbleibt die Basis des Rotationselementes im Standbeinschuh am Boden, wobei sich der Schuh wegen des Rotationselementes gegenüber der Basis nach außen dreht. Somit dreht sich das Standbein als Ganzes um eine Hochachse, wenn sich das Spielbein bei einem Schritt nach vorne bewegt. Somit wird die Drehung des Beckens im Hüftgelenk minimiert, wenn nicht sogar ganz vermieden. Da die Drehbelastung des Hüftgelenks entsprechend gesenkt wird, wird wieder eine flüssige Gehbewegung mit einer ausreichend großen Schrittweite erreicht.As a result of this embodiment of the shoe sole with a rotation element, the rotation of the pelvis from the hip joint of the supporting leg is moved into the shoe sole. In a step movement of the playing leg, the base of the rotating element remains in the leg shoe on the ground, wherein the shoe rotates due to the rotation element relative to the base to the outside. Thus, the leg rotates as a whole about a vertical axis when the calf moves forward in one step. Thus, the rotation of the pelvis in the hip joint is minimized, if not completely avoided. Since the rotational load of the hip joint is lowered accordingly, a fluid walking movement is again achieved with a sufficiently large increment.

Unter einer Außendrehung soll eine Bewegung des Fußes verstanden werden, bei der der Vorfußbereich bezogen auf den Körper der Person nach außen dreht. Dies bedeutet für den rechten Fuß, dass dieser sich - von oben betrachtet - im Uhrzeigersinn dreht, und für den linken Fuß, dass dieser sich gegen den Uhrzeigersinn dreht.An external rotation is understood to mean a movement of the foot in which the forefoot region turns outward relative to the person's body. This means for the right foot to turn clockwise when viewed from above, and for the left foot to rotate counterclockwise.

Der Begriff "Außendrehung" soll lediglich die Drehrichtung beschreiben, nicht aber die Lage der Rotationsachse. Eine Außendrehung liegt sowohl dann vor, wenn die Ferse in Position bleibt und der Vorfußbereich sich nach außen bewegt, aber auch dann, wenn der Vorfußbereich in Position bleibt und die Ferse sich nach innen bewegt.The term "external rotation" is intended to describe only the direction of rotation, but not the position of the axis of rotation. External rotation occurs when the heel stays in place and the forefoot area moves outward, but also when the forefoot area remains in place and the heel moves inward.

Die Drehung in der Fußsohle soll möglichst in dem Bereich des Vorfußes erfolgen, über den der Fuß abrollt. Daher ist die laterale Ausdehnung des Rotationselements kleiner als die der Schuhsohle im Vorfußbereich, so dass es bei der Herstellung an eine geeignete, individuelle Position des Vorfußbereiches platziert werden kann.The rotation in the sole of the foot should preferably take place in the area of the forefoot over which the foot rolls. Therefore, the lateral extent of the rotational element is smaller than that of the shoe sole in the forefoot region, so that it can be placed in a suitable, individual position of the forefoot region during manufacture.

Da die Rückstellkraft gegenüber einer Außendrehung kleiner ist als die für eine Innendrehung, wird einer Außendrehung nur wenig Widerstand entgegengesetzt, so dass die Kompensationsdrehung zur Entlastung der Hüfte leicht vollzogen wird. Eine nicht gewünschte Innendrehung wird weiterhin wegen der größeren Rückstellkraft verhindert, so dass eine stabile Führung des Fußes gegeben ist.Since the restoring force against an outer rotation is smaller than that for an inner rotation, an outer rotation is opposed only a little resistance, so that the compensation rotation to relieve the hip is easily completed. An undesired internal rotation is further prevented because of the greater restoring force, so that a stable guidance of the foot is given.

Grundsätzlich könnte die Drehbewegung der Schuhsohle bzw. des Schuhs des Standbeines bei einem Schritt auch durch eine glatte Unterseite der Schuhsohle erreicht werden, so dass sich diese auf dem Untergrund dreht. Dies birgt aber die Gefahr eines Wegrutschens, so dass erfindungsgemäß weiter vorgesehen ist, dass die Unterseite der Basis einen Reibungskoeffizienten aufweist, der zumindest so groß ist wie der Reibungskoeffizient der Unterseite der Schuhsohle im Vorfußbereich. Dies hat zur Folge, dass die Unterseite der Basis, die bündig in die Unterseite der Schuhsohle übergeht, in Kontakt mit dem Untergrund bleibt und aufgrund des auf die Schuhsohle beim Gehen ausgeübten Druckes am Boden haften bleibt, so dass sich die Schuhsohle gegenüber dieser Basis drehen kann.In principle, the rotational movement of the shoe sole or of the shoe of the supporting leg could also be achieved in one step by a smooth underside of the shoe sole, so that it rotates on the ground. However, this involves the risk of slippage, so that according to the invention it is further provided that the underside of the base has a coefficient of friction which is at least as great as the friction coefficient of the underside of the shoe sole in the forefoot area. As a result, the underside of the base flush with the underside of the shoe sole remains in contact with the ground and adheres to the ground due to the pressure exerted on the shoe sole when walking, so that the shoe sole turns relative to that base can.

Die Basis kann dabei ein integraler Bestandteil der unteren Lage der Schuhsohle sein.The base may be an integral part of the lower layer of the shoe sole.

Da die Erfindung nur eine begrenzte Außendrehung der Schuhsohle gegenüber der Basis benötigt, reicht es ggf. vollkommen aus, dass das Rotationselement nur eine Außendrehung und eine selbsttätige Rückstellung nach einer Außendrehung erlaubt. Die Rückstellung tritt auf, sobald sich das Standbein vom Untergrund löst und zum Spielbein wird, das den nächsten Schritt ausführt.Since the invention requires only a limited external rotation of the shoe sole relative to the base, it may possibly be sufficient for the rotation element to allow only one outer rotation and one automatic return after one outer rotation. The reset occurs as soon as the leg disengages from the ground and becomes the petal that performs the next step.

Das Rotationselement kann in unterschiedlicher Weise ausgeführt werden. Eine Möglichkeit besteht darin, dass das Rotationselement oberhalb der Basis und innerhalb der Schuhsohle ein Torsionselement aufweist, dessen Torsionsachse im Wesentlichen senkrecht zur Schuhsohle steht.The rotation element can be executed in different ways. One possibility is that the rotary element above the base and inside the shoe sole has a torsion element whose torsion axis is substantially perpendicular to the shoe sole.

Das Torsionselement weist vorzugsweise eine gewisse Grundtorsion auf, so dass eine Drehrichtung bei Ausübung eines vertikalen Druckes parallel zur Torsionsachse vorgegeben ist, die der gewünschten Außendrehung der jeweiligen Schuhsohle entspricht.The torsion element preferably has a certain basic torsion, so that a direction of rotation is predetermined when a vertical pressure is exerted parallel to the torsion axis, which corresponds to the desired external rotation of the respective shoe sole.

Das Torsionselement besitzt gleichzeitig eine innere Spannung, die die oben erwähnte Rückstellung nach Druckentlastung bewirkt.The torsion element has at the same time an internal tension, which causes the above-mentioned provision for pressure relief.

Das Torsionselement besteht vorsorglich aus einem Faserbündel, wobei die Fasern im Wesentlichen senkrecht zur Schuhsohlenfläche stehen.The torsion element consists of a precaution of a fiber bundle, wherein the fibers are substantially perpendicular to the shoe sole surface.

Um dem Faserbündel eine Vorzugsdrehrichtung bei axialer Druckbelastung zu geben, ist vorgesehen, dass die Fasern des Faserbündels in Außendrehrichtung geneigt sind. Bei einer axialen Belastung des Faserbündels neigen sie sich daher noch stärker in Außendrehrichtung, so dass die Drehung des Fußes unterstützt wird.In order to give the fiber bundle a preferred direction of rotation under axial pressure loading, it is provided that the fibers of the fiber bundle are inclined in the outer direction of rotation. With an axial load of the fiber bundle, they therefore tend even more in the outer direction of rotation, so that the rotation of the foot is supported.

Der Auftrittsdämpfer sowie das oben beschriebene Rotationselement werden erfindungsgemäß an das jeweils individuelle Verhalten einer Person angepasst.The performance damper and the rotation element described above are adapted according to the invention to the individual behavior of a person.

Jede Person setzt beim Laufen ihre Ferse in einen bestimmten Teilbereich des Fersenbereichs, dem Auftrittsbereich, auf und rollt den Vorderfuss über einen bestimmten Teilbereich des Vorfußbereichs, dem Abrollbereich, ab.Each person, as they walk, places their heels in a specific portion of the heel area, the tread area, and rolls the forefoot over a particular portion of the forefoot area, the roll-off area.

Um eine optimale Auftrittsdämpfung zu erreichen, wird der Auftrittsdämpfer des Fersenbereichs daher in dem zuvor bestimmten Auftrittsbereich angeordnet. Ebenso sollte das Rotationselement sich an der Stelle befinden, wo der größte Druck beim Abrollen im Vorfußbereich aufgebaut wird.In order to achieve an optimal occurrence of damping, the impact absorber of the heel area is therefore arranged in the previously determined occurrence area. Similarly, the rotation element should be at the point where the greatest pressure is built up when rolling in the forefoot area.

Ein Verfahren zur Herstellung einer individuell angepassten Schuhsohle sieht daher vor, dass für eine Person der Auftrittsbereich im Fersenbereich sowie der Abrollbereich im Vorfußbereich bestimmt werden. Ein Auftrittsdämpfer wird dann im Auftrittsbereich der Schuhsohle und ein Rotationselement im Abrollbereich der Schuhsohle platziert.A method for producing a customized shoe sole therefore provides that for one person the appearance area in the heel area and the roll area in the forefoot area are determined. An entrance damper will then be in the entrance area the shoe sole and a rotating element placed in the rolling area of the shoe sole.

Zusätzlich können auch der Auftrittsdruck und der Abrolldruck bestimmt werden. Dadurch kann der Auftrittsdämpfer an den gemessenen Auftrittsdruck und das Rotationselement an den gemessenen Abrolldruck angepasst werden.In addition, the contact pressure and the rolling pressure can also be determined. As a result, the impact damper can be adapted to the measured contact pressure and the rotary element to the measured rolling pressure.

Die Erfindung bezieht sich weiterhin auch auf einen Schuh mit einer oben beschriebenen Schuhsohle.The invention further relates to a shoe with a shoe sole described above.

Im Folgenden soll anhand eines Ausführungsbeispieles die Erfindung näher erläutert werden, wobei die Ausführungen nach Fig. 2 und 3 allein das Verständnis der Erfindung erleichtern sollen, nicht aber zum Gegenstand des Patents gehören. Dazu zeigen:

Fig.1
eine Draufsicht auf eine Schuhsohle,
Fig.2
in einer perspektivischen Querschnittsdarstellung eine nicht erfindungsgemäße Schuhsohle mit einer Gleitzone,
Fig.3
in einer perspektivischen Querschnittsdarstellung eine nicht erfindungsgemäße Schuhsohle mit einem Gelkissen, und
Fig.4
in einer perspektivischen Querschnittsdarstellung eine Ausführungsform der Erfindung mit einem Torsionselement in der Schuhsohle.
In the following, the invention will be explained in more detail with reference to an embodiment, the embodiments according to FIGS. 2 and 3 solely to facilitate the understanding of the invention, but not belong to the subject of the patent. To show:
Fig.1
a top view of a shoe sole,
Fig.2
in a perspective cross-sectional view of a shoe sole not according to the invention with a sliding zone,
Figure 3
in a perspective cross-sectional view of a non-inventive shoe sole with a gel pad, and
Figure 4
in a perspective cross-sectional view of an embodiment of the invention with a torsion in the shoe sole.

Es wird zunächst Bezug genommen auf die Fig. 1. Diese zeigt eine Schuhsohle 1 für einen rechten Fuß in Draufsicht. Eine derartige Schuhsohle 1 ist der Außenkontur eines Fußes angepasst. Die nicht dargestellte Schuhsohle für einen linken Fuß ist spiegelverkehrt aufgebaut.It is first referred to the Fig. 1 , This shows a shoe sole 1 for a right foot in plan view. Such a shoe sole 1 is adapted to the outer contour of a foot. The shoe sole, not shown, for a left foot is constructed mirror-inverted.

Die Schuhsohle 1 besitzt einen Fersenbereich 2 und einen Vorfußbereich 3. Beim Laufen tritt das Spielbein mit dem Fersenbereich 2 auf dem Untergrund auf. Dabei wird ein Druck ausgeübt. Sodann rollt die Schuhsohle 1 über den Mittelfußbereich und den Vorfußbereich 3 ab, wobei das Spielbein zum Standbein wird und insbesondere im Vorfußbereich 3 ein hoher Druck ausgeübt wird. Wird dann im nächsten Schritt das andere Bein nach vorne bewegt, dreht sich das Becken der laufenden Person im Hüftgelenk des Standbeins. Gleichzeitig versucht die Person, soweit sie an einer Drehung in der Hüfte gehindert ist, den Fuß im Vorfußbereich um eine Hochachse zu drehen.The shoe sole 1 has a heel area 2 and a forefoot area 3. When running the toe occurs with the Heel area 2 on the ground. This pressure is applied. Then, the shoe sole 1 rolls over the midfoot area and the forefoot area 3, the toe leg becoming the foothold, and a high pressure is exerted in particular in the forefoot area 3. If the other leg is then moved forward in the next step, the pelvis of the running person rotates in the hip joint of the supporting leg. At the same time, as far as the person is prevented from turning in the hip, the person tries to turn the foot around a vertical axis in the forefoot area.

Um den Druck beim Aufsetzen des Fersenbereichs zu verringern, befindet sich dort im so genannten Auftrittsbereich 4 ein Auftrittsdämpfer 5. Dieses soll hier nicht näher erläutert werden, da es hierfür eine Vielzahl bekannter Möglichkeiten gibt, z. B. können Schaumeinlagen vorgesehen werden. Diese können integrierter Bestandteil der Schuhsohle sein oder später auf der Oberseite der Schuhsohle aufgebracht werden, womit sie Bestandteil der Schuhsohle werden.In order to reduce the pressure when placing the heel area, there is a performance damper 5 in the so-called appearance area 4. This will not be explained in detail here, since there are a variety of known possibilities, for. B. foam inserts can be provided. These may be an integral part of the shoe sole or later applied to the top of the shoe sole, thus becoming part of the shoe sole.

Die vorerwähnte Drehung im Vorfußbereich erfolgt im so genannten Abrollbereich 6. Dort befindet sich ein Rotationselement 7, das - wie weiter unten näher erläutert werden soll - die Drehung der Schuhsohle bzw. des Schuhs unterstützt.The above-mentioned rotation in the forefoot area takes place in the so-called rolling area 6. There is a rotary element 7 which, as will be explained in more detail below, supports the rotation of the shoe sole or of the shoe.

Die genaue Lage des Auftrittsdämpfers 5 und des Rotationselementes 7 werden individuell bestimmt. Dazu wird das Laufverhalten einer Person gemessen und dabei die Lage des Auftrittsbereiches 4 und des Abrollbereiches 6 und die dort auftretenden Drücke bestimmt. Dementsprechend werden bei einer individuellen Herstellung der Schuhsohle 1 der Auftrittsdämpfer 5 und das Rotationselement 7 platziert bzw. in ihrer Eigenschaft, bzw. Dämpfungs- bzw. Federeigenschaft, ausgelegt.The exact location of the entrance damper 5 and the rotary member 7 are determined individually. For this purpose, the running behavior of a person is measured and the position of the area 4 and the Abrollbereiches 6 and the pressures occurring there determined. Accordingly, in an individual production of the shoe sole 1, the impact damper 5 and the rotary element 7 are placed or designed in their properties or damping or spring properties.

Das Rotationselement kann in verschiedener Weise ausgeführt werden. Fig. 2 zeigt eine nicht erfindungsgemäße Weise innerhalb eines Längsschnittes durch die Schuhsohle 1, die in der Fig. 1 mit A-A bezeichnet ist.The rotating element can be made in various ways. Fig. 2 shows a non-inventive manner within a longitudinal section through the shoe sole 1, which in the Fig. 1 designated AA.

In der einfachsten Form befindet sich zur Ausgestaltung des Rotationselementes 7 innerhalb der Schuhsohle 1 eine linsenförmige Gleitzone 10, die aus einem Schlitz 11 zwischen der Basis 12 und einem Kopf 13 besteht. Der dünne Bogen über dem Schlitz 11 soll die Tiefe des Schlitzes 11 quer zur Schnittlinie A-A andeuten. Kopf 13 und Basis 12 sind Bestandteil der Schuhsohle 1. Um das Gleiten der einander zugewandten Flächen von Basis 12 und Kopf 13 zu erleichtern, können diese Flächen mit Reibung verhindernden Beschichtungen versehen werden. Denkbar wäre z. B. eine Beschichtung mit Teflon.In the simplest form is to design the rotating element 7 within the shoe sole 1, a lens-shaped sliding zone 10, which consists of a slot 11 between the base 12 and a head 13. The thin arc over the slot 11 is intended to indicate the depth of the slot 11 across the section line A-A. Head 13 and base 12 are integral with shoe sole 1. To facilitate sliding of the facing surfaces of base 12 and head 13, these surfaces may be provided with friction preventing coatings. It would be conceivable z. As a coating with Teflon.

Die untere Seite der Basis, also die Seite, die dem Untergrund zugewandt ist, weist einen hohen Reibkoeffizienten auf, so dass eine Haftung auf dem Untergrundboden gewährleistet ist. Die Basis 12, also der Bereich der Schuhsohle unterhalb der Gleitzone, verbleibt damit am Boden, während sich der Rest der Schuhsohle bei einer Drehbewegung des Fußes gegenüber der Basis 12 dreht, wobei die zugewandten Flächen von Kopf 13 und Basis 12 aufeinander gleiten.The lower side of the base, so the side facing the ground, has a high coefficient of friction, so that adhesion to the underground floor is guaranteed. The base 12, so the area of the shoe sole below the sliding zone thus remains on the ground, while the rest of the shoe sole rotates with a rotational movement of the foot relative to the base 12, wherein the facing surfaces of head 13 and base 12 slide on each other.

Anstelle einer reinen Gleitzone kann - wie in Fig. 3 dargestellt ist - auch ein Gelkissen 14 vorgesehen werden. Durch die Viskoseeigenschaften des verwendeten Gels kann die Drehbewegung gesteuert werden. Auch hier deutet der dünne Bogen über dem Gelkissen 14 die Tiefe des Gelkissens 14 quer zur Schnittlinie A-A an.Instead of a pure sliding zone can - as in Fig. 3 is shown - also a gel pad 14 may be provided. By the viscous properties of the gel used, the rotational movement can be controlled. Again, the thin arc over the gel pad 14 indicates the depth of the gel pad 14 across the section line AA.

Fig. 4 zeigt eine Ausführung des Rotationselementes 7. Dazu ist zwischen der Basis 12 und dem Kopf 13 ein Torsionselement 15 in Form eines Faserbündels angeordnet, das den Bereich zwischen der Basis 12 und dem Kopf 13 vollständig ausfüllt. Der dünne Bogen über dem Torsionselement 15 deutet die Tiefe des Torsionselementes 15 quer zur Schnittlinie A-A an. Das Faserbündel besteht aus einer Vielzahl von einzelnen Fasern, die im Wesentlichen parallel zueinander ausgerichtet sind und leicht geneigt zu einer Senkrechten auf der Schuhsohlenfläche stehen. Das Faserbündel weist dadurch eine leichte Grundtorsion auf, d. h., die einzelnen Fasern sind in Drehrichtung geneigt. Bei einem auf das Torsionselement 15 ausgeübten Druck werden die Fasern gekippt, so dass der Torsionswinkel vergrößert wird. Dadurch steigt die Spannung im Torsionselement 15, so dass bei einer Druckentlastung eine Rückstellung erfolgt. Fig. 4 shows an embodiment of the rotation element 7. For this purpose, a torsion element 15 is arranged in the form of a fiber bundle between the base 12 and the head 13, which completely fills the area between the base 12 and the head 13. The thin arc over the torsion element 15 indicates the depth of the torsion element 15 transversely to the section line AA. The fiber bundle consists of a plurality of individual fibers, which are aligned substantially parallel to each other and slightly inclined to a vertical stand on the shoe sole surface. The fiber bundle thereby has a slight base torsion, ie, the individual fibers are inclined in the direction of rotation. In a pressure applied to the torsion element 15, the fibers are tilted, so that the torsion angle is increased. As a result, the voltage in the torsion element 15 increases, so that at a pressure relief, a provision is made.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Schuhsohlesole
22
Fersenbereichheel
33
Vorfußbereichforefoot
44
Auftrittsbereichtread area
55
Auftrittsdämpferoccurs damper
66
Abrollbereichroll-off
77
Rotationselementrotating member
1010
Gleitzonesliding zone
1111
Schlitzslot
1212
BasisBase
1313
Kopfhead
1414
Gelkissengel pads
1515
Torsionselementtorsion
1616
Faserbündelfiber bundles

Claims (7)

  1. Shoe sole for an orthopedic shoe having a heel area (2) and a forefoot area (3), wherein the heel area (2) comprises a tread damper (5) and the forefoot area (3) comprises an elastically resetting rotation element (7) with an axis of rotation running perpendicular to the shoe sole, said rotation element (7) having a base (12) connected to the underside of the shoe sole (1), and wherein the rotation element (7) is designed such that it allows at least a limited outward rotation of the shoe sole (1) relative to the base (12) about the axis of rotation, characterized in that the transverse extension of the rotation element (7) is at least 30% smaller than the transverse extension of the shoe sole (1) in the area of the forefoot so that the position of the rotation element (7) during manufacture of the shoe sole (1) can be determined between a position at the outer edge of the shoe sole (1) and a position at the inner edge of the shoe sole (1), and that the rotation element is also formed such that the resetting force with an elastic reset is smaller for an outward rotation than for an inward rotation.
  2. Shoe sole according to claim 1, characterized in that the underside of the base (12) has a coefficient of friction that is at least as great as the coefficient of friction of the underside of the shoe sole (1) in the forefoot area (3).
  3. Shoe sole according to claim 1 or 2, characterized in that the rotation element (7) only allows an outward rotation and automatic reset after an outward rotation.
  4. Shoe sole according to claim 1, 2 or 3, characterized in that the rotation element (7) has a torsion element (15) above the base (12) and within the shoe sole (1), the torsion element having a torsional axis substantially perpendicular to the shoe sole (1).
  5. Shoe sole according to claim 4, characterized in that the torsion element (15) comprises a fiber bundle (16), wherein fibers in the bundle are oriented substantially perpendicular to the shoe sole surface.
  6. Shoe sole according to claim 7, characterized in that the fibers of the fiber bundle (16) are inclined in the outward rotation direction.
  7. Shoe with a shoe sole according to any one of the preceding claims.
EP16155559.4A 2015-02-15 2016-02-12 Shoe sole and shoe having such a shoe sole Active EP3056102B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015102157.9A DE102015102157A1 (en) 2015-02-15 2015-02-15 Shoe sole, process for producing such a sole and shoe with such a sole

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EP3056102A1 EP3056102A1 (en) 2016-08-17
EP3056102B1 true EP3056102B1 (en) 2019-06-19

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EP (1) EP3056102B1 (en)
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DE102015102157A1 (en) 2016-08-18
CA2920733A1 (en) 2016-08-15
EP3056102A1 (en) 2016-08-17
US20160235156A1 (en) 2016-08-18

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