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EP0103285B1 - Sports shoe for athletics - Google Patents

Sports shoe for athletics Download PDF

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Publication number
EP0103285B1
EP0103285B1 EP83108929A EP83108929A EP0103285B1 EP 0103285 B1 EP0103285 B1 EP 0103285B1 EP 83108929 A EP83108929 A EP 83108929A EP 83108929 A EP83108929 A EP 83108929A EP 0103285 B1 EP0103285 B1 EP 0103285B1
Authority
EP
European Patent Office
Prior art keywords
running
sports shoe
foot
sole
stiffening plate
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.)
Expired
Application number
EP83108929A
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German (de)
French (fr)
Other versions
EP0103285A1 (en
Inventor
Armin A. Dassler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Puma SE
Original Assignee
Puma AG Rudolf Dassler Sport
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Puma AG Rudolf Dassler Sport filed Critical Puma AG Rudolf Dassler Sport
Priority to AT83108929T priority Critical patent/ATE16557T1/en
Publication of EP0103285A1 publication Critical patent/EP0103285A1/en
Application granted granted Critical
Publication of EP0103285B1 publication Critical patent/EP0103285B1/en
Expired legal-status Critical Current

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    • 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 present invention relates to a sports shoe according to the preamble of the main claim.
  • Such a shoe is described in GB-A-1 423 881.
  • Sports shoes of this type for athletic purposes, in particular for sprint and short distances, are generally known and are described and illustrated, for example, in the brochure “PUMA sports shoes 66”, pages 8 and 9, under the name “PUMA SF shape”.
  • These racing shoes with the special SF (super-form) sole shape are extremely light, since the actual outsole is practically only intended in areas that form treads.
  • the comparatively thin upper material is adapted to the arch of the foot.
  • These shoes are characterized by their lightness compared to previous designs, since a relatively large amount of sole material could be saved in the sole area. Due to the mostly continuous rubber outsole, these racing shoes are very elastic.
  • the thorns protruding downward in the forefoot area are riveted into a midsole. This area is therefore fairly inelastic and - considered in itself - difficult.
  • the present invention is therefore intended to achieve the object of creating a sports shoe for athletics, in particular racing shoes, which is optimally adapted to the anatomical conditions of the foot during the run with the greatest possible lightness and which offers as little resistance as possible to natural movements.
  • good foot guidance and support and, at the same time, high torsional rigidity should be guaranteed.
  • the outsole shape which is known per se, saves material for the outsole, which is reflected in a weight saving.
  • both the stiffening plate and the outsole can be made very thin in this area, so that the sole as a whole is at least not thicker than previously used sole constructions. Nevertheless, the desired torsional stiffness is achieved and the low shoe weight is maintained.
  • the arch of the foot which is integrally formed in the joint area, provides decisive support, especially during the movement phases. so that, if necessary, corresponding deposits known per se can be dispensed with. In addition, this retaining wall also helps to significantly increase the torsional rigidity of the outsole.
  • an outsole made of resilient material such as polyamide, polyurethane, polyethylene is called. This extends from the tip of the sole 2 to the heel 3. It is offset in the region 4 of the longitudinal arch of the foot towards the outer edge of the foot and is designed in such a way that there is no running surface under the arch of the foot, but only extends over the tread surface which results from running.
  • a stiffening plate 5 made of very hard, tough-elastic or resilient plastic extends into the heel 3.
  • the stiffening plate 5 serves primarily to produce a high torsional stiffness of the outsole 1.
  • the stiffening plate 5 advantageously consists of a suitably adjusted polyamide, polyurethane or polyethylene.
  • the plastic is expediently mixed with strength-increasing fillers, in particular with suitable fiber materials, such as glass fibers or fabrics.
  • suitable fiber materials such as glass fibers or fabrics.
  • Glass fiber reinforced polyamide and polyurethane have proven to be particularly suitable, since these materials ensure sufficient abrasion resistance and rigidity at a low weight and price.
  • the hardness of the stiffening plate 5 has Expediently a Shore hardness of at least 90 to 150.
  • the Shore hardness of the outsole 1 is chosen to be lower and is preferably between 50 and 80.
  • the outsole 1 is provided in region 4 with an inwardly upwardly directed support wall 6 , which is largely adapted to the arch of the foot. This results in a joint support which has a particularly favorable effect on the run and a further, substantial increase in the torsional rigidity of the outsole 1.
  • the support wall 6 is advantageously provided with reinforcing ribs 7. These are preferably arranged in such a way that, when the outsole 1 is viewed from below, they run at least almost perpendicular to the longitudinal axis 8 of the sole.
  • the distance between adjacent reinforcing ribs 7 is expediently approximately 2 to 5 mm and the rib thickness and rib height approximately 0.5 to 3 mm, preferably approximately 1 to 2 mm.
  • the thickness of the support wall 6 is a maximum of about 2 mm, preferably about 1 mm, and advantageously decreases continuously towards the edge 9, so that a very acute angle is formed on the edge 9 in cross section and the edge 9 practically forms a cutting edge.
  • the support wall 6 can continue in a shell edge 10 running around the heel 3, so that the heel of the runner is also guided well.
  • the edge 11 of the shell edge 10 can expediently be designed in accordance with the edge 9.
  • the outsole 1 in the joint area of the toe limbs and / or in the ball area is made more flexible by bending zones 12 and 13, respectively, in that a wave band 16 consisting of wave troughs 14 and wave crests 15 is formed there and this extends preferably approximately perpendicular to the longitudinal axis 8 of the sole.
  • Inserts 18, 19 are preferably provided in the forefoot area of the outsole 1 outside the bending zones 12, 13 or at most partially encompassing them, which serve to stiffen and expediently insert mandrels 17. These preferably consist of the same material as the stiffening plate 5.
  • the insert parts 18, 19 can, apart from the spike-like gripping elements 17, also carry molded-on profile projections 20.
  • the latter expediently have such a height that the tips 21 of the mandrels 17 only slightly, i. H. protrude about 1 to 4 mm over the tips 22 of the profile projections 20.
  • the inserts 18, 19 can be L-shaped, one leg being longer and at least approximately perpendicular to the longitudinal axis 8 of the sole.
  • the stiffening plate 5 can have an upwardly angled edge 23 which extends at least in the area 4 of the support wall 6 or over the entire outer edge, as illustrated by the section CD in FIG. 1 in FIG is.
  • This edge 23 is tapered in cross-section towards the edge and is shaped, for example, in accordance with the edges 9, 11.
  • the stiffening plate 5 and the inserts 18, 19 have projections 24, for example in the form of pins or claws and openings 25, which on the one hand represent gripping elements and on the other hand for anchoring these parts 5, 18, 19 with serve the outsole 1.
  • the latter therefore also has corresponding projections and / or openings. If the outsole 1 and the stiffening plate 5 and, if appropriate, the insert parts 18, 19 are prefabricated separately, these anchors fit or snap into one another and these individual parts are glued to one another over a large area or, for example, welded by means of ultrasound.
  • the stiffening plate 5 and the inserts 18, 19 are advantageously placed as a preliminary product in a mold and molded with the material of the outsole 1, i. H.
  • the projections 24 of the outsole 1 are preferably designed as profile projections for better gripping on the raceway, as is shown in the heel region in the exemplary embodiment.
  • the protrusions of the outsole 1 projecting through the openings can have the form of letters and / or numbers and thus form an additional anchoring in this area 4.
  • the sports shoe according to the invention is particularly suitable for athletic disciplines in which high speeds have to be achieved for relatively short times, in particular for sprint and short distances, for attempts at jumping competitions, such as the long jump, triple jump, high or pole vault or even for the javelin throw .
  • these disciplines in particular, a very low shoe weight, high torsional stiffness of the shoe and effective support of the foot in the arch area are important.
  • the desired weight of the sports shoes of about 100 g and below can be achieved with the invention.
  • the invention is also of greater importance for medium and / or long distances because the previously inadequate support of the arch of the foot can lead to irreparable damage to this foot part under longer loads.

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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)
  • Carbon And Carbon Compounds (AREA)

Abstract

An athletic shoe for track and field use, especially a running shoe, is formed in such a way that a flexible running sole is provided only in the area of its running surface and, thus, largely does not exist in the area of the longitudinal arch of the foot, and from the arch area to the heel, the running sole is rendered resistant to distortion by a reinforcement plate. Additionally, in the area of the longitudinal arch of the foot, the running sole has a supporting wall directed diagonally upward toward the inside of the foot that is fitted to the arch of the foot. Thus, a shoe for track and field use is obtained that is extremely light in weight, has high resistance to distortion and supports the foot well.

Description

Die vorliegende Erfindung betrifft einen Sportschuh gemäß dem Oberbegriff des Hauptanspruches.The present invention relates to a sports shoe according to the preamble of the main claim.

Ein derartiger Schuh ist in GB-A-1 423 881 beschrieben. Derartige Sportschuhe für leichtathletische Zwecke, insbesondere für Sprint- und Kurzstrecken, sind allgemein bekannt und beispielsweise in dem Prospekt « PUMA-Sportschuhe 66 », Seiten 8 und 9 unter der Bezeichnung « PUMA SF-Form » beschrieben und dargestellt. Diese Rennschuhe mit der speziellen Sohlenform SF (super-form) sind extrem leicht, da die eigentliche Laufsohle praktisch nur in Bereichen, die Auftrittsflächen bilden, vorgesehen ist. Im Bereich des Fußgewölbes ist das vergleichsweise dünne Obermaterial dem Fußgewölbe angepaßt. Diese Schuhe zeichnen sich gegenüber früheren Konstruktionen durch ihre Leichtigkeit aus, da im Sohlenbereich relativ viel Sohlenmaterial eingespart werden konnte. Durch die meist durchgehende Gummilaufsohle sind diese Rennschuhe sehr elastisch. Die im Vorderfußbereich nach unten abstehenden Dornen sind in eine Zwischensohle eingenietet. Dieser Bereich ist daher ziemlich unelastisch und - für sich betrachtet - schwer.Such a shoe is described in GB-A-1 423 881. Sports shoes of this type for athletic purposes, in particular for sprint and short distances, are generally known and are described and illustrated, for example, in the brochure “PUMA sports shoes 66”, pages 8 and 9, under the name “PUMA SF shape”. These racing shoes with the special SF (super-form) sole shape are extremely light, since the actual outsole is practically only intended in areas that form treads. In the area of the arch of the foot, the comparatively thin upper material is adapted to the arch of the foot. These shoes are characterized by their lightness compared to previous designs, since a relatively large amount of sole material could be saved in the sole area. Due to the mostly continuous rubber outsole, these racing shoes are very elastic. The thorns protruding downward in the forefoot area are riveted into a midsole. This area is therefore fairly inelastic and - considered in itself - difficult.

Es ist zwar schon aus der DE-B-1 014462 bekannt, die Zwischensohle wegzulassen und zur Gewichtsersparnis die zur Befestigung der Dornen vorgesehene Platte zwischen zwei Kunststoffplatten aus beispielsweise Polyamid anzuordnen. Die beiden Kunststoffplatten sind wiederum zwischen der Brandsohle und der Laufsohle angebracht. Diese Konstruktion ist zwar leichter als die zuvor verwendeten Metallplatten, sie ist jedoch ebenfalls sehr unelastisch.It is already known from DE-B-1 014462 to omit the midsole and to save the weight to arrange the plate provided for fastening the spikes between two plastic plates made of, for example, polyamide. The two plastic plates are in turn attached between the insole and the outsole. Although this construction is lighter than the metal plates previously used, it is also very inelastic.

Es hat sich herausgestellt, daß Rennschuhe mit der im Mittelfußbereich sehr schmalen Laufsohle bei großer angestrebter Leichtigkeit sehr weich und besonders in diesem Bereich leicht verwindbar, also wenig formstabil sind. Wird die Laufsohle aus härterem Material hergestellt, so leidet darunter die Biegsamkeit besonders im Ballenbereich, so daß keine extremen Leistungen erreichbar sind und eine anatomisch günstige Anpassung an den Fuß während des Abrollvorganges nicht möglich ist.It has been found that racing shoes with the outsole, which is very narrow in the midfoot area, are very soft with the desired lightness and are particularly easy to twist in this area, that is to say they are not dimensionally stable. If the outsole is made of harder material, the flexibility suffers especially in the ball area, so that extreme performance cannot be achieved and anatomically favorable adaptation to the foot during the rolling process is not possible.

Mit vorliegender Erfindung soll daher die Aufgabe gelöst werden, einen Sportschuh für die Leichtathletik, insbesondere Rennschuh, zu schaffen, der bei größtmöglicher Leichtigkeit den anatomischen Verhältnissen des Fußes während des Laufes optimal angepaßt ist, sowie den natürlichen Bewegungen möglichst wenig Widerstand entgegensetzt. Andererseits soll trotzdem eine gute Fußführung und -stützung und gleichzeitig eine hohe Verwindungssteifigkeit gewährleistet sein.The present invention is therefore intended to achieve the object of creating a sports shoe for athletics, in particular racing shoes, which is optimally adapted to the anatomical conditions of the foot during the run with the greatest possible lightness and which offers as little resistance as possible to natural movements. On the other hand, good foot guidance and support and, at the same time, high torsional rigidity should be guaranteed.

Diese Aufgabe wird durch die im Kennzeichen des Patentanspruches 1 angegebenen Merkmale gelöst.This object is achieved by the features specified in the characterizing part of patent claim 1.

Durch die an sich bekannte Laufsohlenform wird an Material für die Laufsohle eingespart, was sich in einer Gewichtsersparnis niederschlägt. Durch die Anordnung der Versteifungsplatte im Mittelfußbereich, d. h. im Bereich des Fußgewölbes, bis hin zur Ferse wird einerseits die erforderliche Verwindungssteifigkeit erzielt. Andererseits kann in diesem Bereich sowohl die Versteifungsplatte als auch die Laufsohle sehr dünn ausgebildet werden, so daß die Sohle insgesamt zumindest nicht dicker wird als bisher verwendete Sohlenkonstruktionen. Trotzdem wird die erwünschte Verwindungssteifigkeit erreicht und das geringe Schuhgewicht beibehalten. Schließlich wird durch die im Gelenkbereich angeformte Stützwand das Fußgewölbe besonders auch in den Bewegungsphasen entscheidend unterstützt. so daß gegebenenfalls entsprechende - an sich bekannte - Einlagen entfallen können. Außerdem trägt diese Stützwand vor allem auch dazu bei, die Verwindungssteifigkeit der Laufsohle noch deutlich zu steigern.The outsole shape, which is known per se, saves material for the outsole, which is reflected in a weight saving. The arrangement of the stiffening plate in the midfoot area, i.e. H. in the area of the arch of the foot, right down to the heel, the required torsional rigidity is achieved. On the other hand, both the stiffening plate and the outsole can be made very thin in this area, so that the sole as a whole is at least not thicker than previously used sole constructions. Nevertheless, the desired torsional stiffness is achieved and the low shoe weight is maintained. Finally, the arch of the foot, which is integrally formed in the joint area, provides decisive support, especially during the movement phases. so that, if necessary, corresponding deposits known per se can be dispensed with. In addition, this retaining wall also helps to significantly increase the torsional rigidity of the outsole.

Weitere vorteilhafte Einzelheiten der Erfindung ergeben sich aus den Unteransprüchen und sind nachfolgend anhand von in der Zeichnung veranschaulichten Ausführungsbeispielen beschrieben.Further advantageous details of the invention emerge from the subclaims and are described below on the basis of exemplary embodiments illustrated in the drawing.

Dabei zeigen :

  • Figur 1 eine Ansicht der Laufsohle von unten, also auf die Laufseite für einen Leichtathletik-Sportschuh,
  • Figur 2 eine Seitenansicht dieser Laufsohle gemäß dem Schnitt A-B der Figur 1,
  • Figuren 3 und 4 je einen Querschnitt gemäß dem Schnitt C-D der Figur 1 mit unterschiedlicher Gestaltung der Versteifungsplatte.
Show:
  • FIG. 1 shows a view of the outsole from below, that is to say on the running side for an athletic sports shoe,
  • FIG. 2 shows a side view of this outsole according to section AB in FIG. 1,
  • Figures 3 and 4 each have a cross section according to the section CD of Figure 1 with a different design of the stiffening plate.

Mit 1 ist eine Laufsohle aus federelastischem Material wie Polyamid, Polyurethan, Polyäthylen bezeichnet. Diese erstreckt sich von der Sohlenspitze 2 bis zur Ferse 3. Sie ist im Bereich 4 der Fußlängswölbung nach der Fußaußenkante hin versetzt und so gestaltet, daß unter dem Fußgewölbe keine Lauffläche vorhanden ist, sondern diese sich lediglich über die beim Laufen ergebende Auftrittsfläche erstreckt. In diesem Bereich 4 ist erfindungsgemäß eine sich bis in die Ferse 3 fortsetzende Versteifungsplatte 5 aus sehr hartem, zähelastischem bzw. federelastischem Kunststoff vorgesehen. Die Versteifungsplatte 5 dient vor allem der Erzeugung einer hohen Verwindungssteifigkeit der Laufsohle 1. Die Versteifungsplatte 5 besteht vorteilhaft aus einem geeignet eingestellten Polyamid, Polyurethan oder Polyäthylen. Zweckmäßig ist der Kunststoff noch mit festigkeitserhöhenden Füllmitteln, insbesondere mit geeigneten Faserstoffen, wie Glasfasern oder Geweben versetzt. Als besonders geeignet hat sich glasfaserverstärktes Polyamid und Polyurethan erwiesen, da diese Materialien eine ausreichende Abriebfestigkeit und Steifigkeit bei geringem Gewicht und Preis gewährleisten.With 1 an outsole made of resilient material such as polyamide, polyurethane, polyethylene is called. This extends from the tip of the sole 2 to the heel 3. It is offset in the region 4 of the longitudinal arch of the foot towards the outer edge of the foot and is designed in such a way that there is no running surface under the arch of the foot, but only extends over the tread surface which results from running. In this area 4, according to the invention, a stiffening plate 5 made of very hard, tough-elastic or resilient plastic extends into the heel 3. The stiffening plate 5 serves primarily to produce a high torsional stiffness of the outsole 1. The stiffening plate 5 advantageously consists of a suitably adjusted polyamide, polyurethane or polyethylene. The plastic is expediently mixed with strength-increasing fillers, in particular with suitable fiber materials, such as glass fibers or fabrics. Glass fiber reinforced polyamide and polyurethane have proven to be particularly suitable, since these materials ensure sufficient abrasion resistance and rigidity at a low weight and price.

Die Härte der Versteifungsplatte 5 besitzt zweckmäßig einen Härtegrad nach Shore von wenigstens 90 bis 150. Die Shore-Härte der Laufsohle 1 wird jedoch niedriger gewählt und liegt vorzugsweise zwischen 50 und 80. Gemäß der Erfindung ist im Bereich 4 die Laufsohle 1 mit einer nach innen schräg aufwärts gerichteten Stützwand 6 versehen, die weitgehend an die Fußwölbung angepaßt ist. Hierdurch erhält man eine besonders beim Lauf sich günstig auswirkende Gelenkstütze und eine weitere, wesentliche Erhöhung der Verwindungssteifigkeit der Laufsohle 1. Vorteilhaft ist die Stützwand 6 mit Verstärkungsrippen 7 versehen. Diese sind vorzugsweise so angeordnet, daß sie bei Betrachtung der Laufsohle 1 von unten zumindest nahezu senkrecht zu der Sohlenlängsachse 8 verlaufen. Der Abstand benachbarter Verstärkungsrippen 7 beträgt zweckmäßig etwa 2 bis 5 mm und die Rippenstärke und Rippenhöhe etwa 0,5 bis 3 mm, vorzugsweise etwa 1 bis 2 mm. Die Dicke der Stützwand 6 beträgt maximal etwa 2 mm, vorzugsweise etwa 1 mm und nimmt zur Kante 9 hin vorteilhaft kontinuierlich ab, so daß an der Kante 9 im Querschnitt ein sehr spitzer Winkel gebildet wird und die Kante 9 praktisch eine Schneide bildet.The hardness of the stiffening plate 5 has Expediently a Shore hardness of at least 90 to 150. However, the Shore hardness of the outsole 1 is chosen to be lower and is preferably between 50 and 80. According to the invention, the outsole 1 is provided in region 4 with an inwardly upwardly directed support wall 6 , which is largely adapted to the arch of the foot. This results in a joint support which has a particularly favorable effect on the run and a further, substantial increase in the torsional rigidity of the outsole 1. The support wall 6 is advantageously provided with reinforcing ribs 7. These are preferably arranged in such a way that, when the outsole 1 is viewed from below, they run at least almost perpendicular to the longitudinal axis 8 of the sole. The distance between adjacent reinforcing ribs 7 is expediently approximately 2 to 5 mm and the rib thickness and rib height approximately 0.5 to 3 mm, preferably approximately 1 to 2 mm. The thickness of the support wall 6 is a maximum of about 2 mm, preferably about 1 mm, and advantageously decreases continuously towards the edge 9, so that a very acute angle is formed on the edge 9 in cross section and the edge 9 practically forms a cutting edge.

In vorteilhafter Weise kann sich die Stützwand 6 in einen um die Ferse 3 umlaufenden Schalenrand 10 fortsetzen, so daß auch die Ferse des Läufers gut geführt wird. Die Kante 11 des Schalenrandes 10 kann zweckmäßig entsprechend der Kante 9 ausgebildet sein.Advantageously, the support wall 6 can continue in a shell edge 10 running around the heel 3, so that the heel of the runner is also guided well. The edge 11 of the shell edge 10 can expediently be designed in accordance with the edge 9.

Mit Vorteil ist die Laufsohle 1 im Gelenkbereich der Zehenglieder oder/und im Ballenbereich durch Biegezonen 12 bzw. 13 dadurch flexibler gestaltet, daß dort ein aus Wellentälern 14 und Wellenbergen 15 bestehendes Wellenband 16 gebildet ist und dieses sich vorzugsweise etwa senkrecht zur Sohlenlängsachse 8 erstreckt. Vorzugsweise sind im Vorderfußbereich der Laufsohle 1 außerhalb der Biegezonen 12, 13 oder diese höchstens zum Teil umgreifende, zur Versteifung und zweckmäßig zur Aufnahme einsetzbarer Dorne 17 dienende Einlegeteile 18, 19 vorgesehen. Diese bestehen vorzugsweise aus dem gleichen Material wie die Versteifungsplatte 5. Die Einlegeteile 18, 19 können, abgesehen von den dornenartigen Greifelementen 17, noch angeformte Profilvorsprünge 20 tragen. Letztere besitzen zweckmäßig eine solche Höhe, daß die Spitzen 21 der Dorne 17 nur geringfügig, d. h. etwa 1 bis 4 mm über die Spitzen 22 der Profilvorsprünge 20 überstehen. Die Einlegeteile 18, 19 können L-förmig ausgebildet sein, wobei der eine Schenkel länger ausgeführt ist und wenigstens annähernd senkrecht zur Sohlenlängsachse 8 verläuft.Advantageously, the outsole 1 in the joint area of the toe limbs and / or in the ball area is made more flexible by bending zones 12 and 13, respectively, in that a wave band 16 consisting of wave troughs 14 and wave crests 15 is formed there and this extends preferably approximately perpendicular to the longitudinal axis 8 of the sole. Inserts 18, 19 are preferably provided in the forefoot area of the outsole 1 outside the bending zones 12, 13 or at most partially encompassing them, which serve to stiffen and expediently insert mandrels 17. These preferably consist of the same material as the stiffening plate 5. The insert parts 18, 19 can, apart from the spike-like gripping elements 17, also carry molded-on profile projections 20. The latter expediently have such a height that the tips 21 of the mandrels 17 only slightly, i. H. protrude about 1 to 4 mm over the tips 22 of the profile projections 20. The inserts 18, 19 can be L-shaped, one leg being longer and at least approximately perpendicular to the longitudinal axis 8 of the sole.

Gemäß einer vorteilhaften Weiterbildung der Erfindung kann zur weiteren Erhöhung der Verwindungssteifigkeit die Versteifungsplatte 5 einen zumindest im Bereich 4 der Stützwand 6 oder über die gesamte Außenkante sich erstreckenden nach oben abgewinkelten Rand 23 aufweisen, wie anhand des Schnittes C-D der Figur 1 in der Figur 4 veranschaulicht ist. Dieser Rand 23 ist im Querschnitt zur Kante hin verjüngt und beispielsweise entsprechend den Kanten 9, 11 geformt.According to an advantageous development of the invention, to further increase the torsional rigidity, the stiffening plate 5 can have an upwardly angled edge 23 which extends at least in the area 4 of the support wall 6 or over the entire outer edge, as illustrated by the section CD in FIG. 1 in FIG is. This edge 23 is tapered in cross-section towards the edge and is shaped, for example, in accordance with the edges 9, 11.

Eine weitere zweckmäßige Ausgestaltung der Erfindung besteht darin, daß die Versteifungsplatte 5 und die Einlegeteile 18, 19 Vorsprünge 24, beispielsweise in Form von Zapfen oder Krallen und Durchbrüche 25 aufweisen, die einerseits Greifelemente darstellen und andererseits zur Verankerung dieser Teile 5, 18, 19 mit der Laufsohle 1 dienen. Letztere besitzt daher ebenfalls entsprechende Vorsprünge und/oder Durchbrüche. Bei getrennter Vorfertigung von Laufsohle 1 und Versteifungsplatte 5 und gegebenenfalls der Einlegeteile 18, 19 passen oder rasten diese Verankerungen ineinander und diese Einzelteile werden großflächig miteinander verklebt oder zum Beispiel mittels Ultraschall verschweißt. Vorteilhaft werden die Versteifungsplatte 5 und die Einlegeteile 18, 19 als Vorprodukt in eine Form eingelegt und mit dem Material der Laufsohle 1 umspritzt, d. h. daß die Laufsohle 1 an diese Teile angespritzt wird. Vorzugsweise sind die Vorsprünge 24 der Laufsohle 1 als Profilvorsprünge zum besseren Greifen auf der Laufbahn ausgebildet, wie dies beim Ausführungsbeispiel im Fersenbereich gezeigt ist. Im Bereich 4 der Fußwölbung können die durch die Durchbrüche hindurchragenden Vorsprünge der Laufsohle 1 die Form von Buchstaben und/oder Zahlen besitzen und so in diesem Bereich 4 eine zusätzliche Verankerung bilden.Another advantageous embodiment of the invention is that the stiffening plate 5 and the inserts 18, 19 have projections 24, for example in the form of pins or claws and openings 25, which on the one hand represent gripping elements and on the other hand for anchoring these parts 5, 18, 19 with serve the outsole 1. The latter therefore also has corresponding projections and / or openings. If the outsole 1 and the stiffening plate 5 and, if appropriate, the insert parts 18, 19 are prefabricated separately, these anchors fit or snap into one another and these individual parts are glued to one another over a large area or, for example, welded by means of ultrasound. The stiffening plate 5 and the inserts 18, 19 are advantageously placed as a preliminary product in a mold and molded with the material of the outsole 1, i. H. that the outsole 1 is molded onto these parts. The projections 24 of the outsole 1 are preferably designed as profile projections for better gripping on the raceway, as is shown in the heel region in the exemplary embodiment. In the area 4 of the arch of the foot, the protrusions of the outsole 1 projecting through the openings can have the form of letters and / or numbers and thus form an additional anchoring in this area 4.

Der erfindungsgemäße Sportschuh ist besonders geeignet für leichtathletische Disziplinen, bei denen für relativ kurze Zeiten hohe Geschwindigkeiten erzielt werden müssen, also insbesondere für Sprint- und Kurzstrecken, für Anläufe zu Sprungwettbewerben, wie dem Weitsprung, Dreisprung, Hoch- oder Stabhochsprung oder auch für den Speerwurf. Besonders bei diesen Disziplinen kommt es auf ein sehr geringes Schuhgewicht, hohe Verwindungssteifigkeit des Schuhes und der wirksamen Unterstützung des Fußes im Fußwölbungsbereich an. Bei Normgrößen kann mit der Erfindung ein erstrebtes Gewicht der Sportschuhe von etwa 100 g und darunter erreicht werden.The sports shoe according to the invention is particularly suitable for athletic disciplines in which high speeds have to be achieved for relatively short times, in particular for sprint and short distances, for attempts at jumping competitions, such as the long jump, triple jump, high or pole vault or even for the javelin throw . In these disciplines in particular, a very low shoe weight, high torsional stiffness of the shoe and effective support of the foot in the arch area are important. For standard sizes, the desired weight of the sports shoes of about 100 g and below can be achieved with the invention.

Aber auch für Mittel- und/oder Langstrecken kommt der Erfindung erhöhte Bedeutung zu, weil die bisher unzulängliche Stützung des Fußgewölbes bei längeren Belastungen zu nicht reparablen Schäden dieses Fußteiles führen kann.But the invention is also of greater importance for medium and / or long distances because the previously inadequate support of the arch of the foot can lead to irreparable damage to this foot part under longer loads.

Claims (20)

1. A sports shoe for athletics, in particular a running shoe, having a running sole of flexible plastics, continuous from the toe of the shoe as far as the heel but offset towards the outer edge of the foot in the region of the arch of the foot, and standing out from the running face profiled projections which are moulded on and/or which may be fastened to the running sole, as well as having a supporting wall running upwards at the side and connected to the running sole and fastened to the upper of the shoe, characterized in that the running sole (1) where it runs in the region (middle portion) (4) of the outer edge of the foot is made narrow in such a way that merely the outer edge of the foot which is loaded during running is still fully supported, that the running sole (1) is provided with a stiffening plate (5) extending from the heel (3) over the narrow middle portion (4) as far as at least approximately in front of the start of the ball of the foot, and adapted to the running sole (1), that the supporting wall (6) provided in the region (4) of the longitudinal arch of the foot is moulded onto the running sole obliquely upwards and at least largely adapted to the contour of curvature of the longitudinal arch of the foot, and that the flexibility in the region of the joints in the toe members and if necessary also in the region of the ball of the foot is increased through zones (12 resp. 13) of bend and the flexible region is or regions are formed in each case by a wave band (16) consisting of wave crests (15) and wave troughs (14).
2. A sports shoe as in Claim 1, characterized in that the stiffening plate (5) consists of particularly hard springy plastics.
3. A sports shoe as in Claim 1 or 2, characterized in that the stiffening plate (5) consists of plastics mixed with fibrous material.
4. A sports shoe as in one of the Claims 1 to 3, characterized in that the stiffening plate (5) consists of a plastics having a Shore hardness of from at least 90 up to 150 and the running sole (1) consists of a plastics having a Shore hardness of about from 50 up to 80.
5. A sports shoe as in one of the Claims 1 to 4, characterized in that the running sole (1) and the stiffening plate (5) consist of plastics on a base of polyamide, polyurethane or polyethylene.
6. A sports shoe as in one of the Claims 1 to 5, characterized in that the stiffening plate (5) consisting of plastics exhibits a thickness of from 0.8 up to 1.5 mm.
7. A sports shoe as in one of the Claims 1 to 6, characterized in that the running sole (1) and the stiffening plate (5) exhibit interlocking openings and projections (24, 25).
8. A sports shoe as in one of the Claims 1 to 7, characterized in that the running sole (1) is glued to the prefabricated stiffening plate (5).
9. A sports shoe as in one of the Claims 1 to 7, characterized in that the stiffening plate (5) is moulded in during the production of the running sole (1).
10. A sports shoe as in one of the Claims 1 to 9, characterized in that the supporting wall (6) is stiffened by outer stiffening ribs (7) which, looking in the direction perpendicular to the running sole (1), run at least approximately perpendicularly to the longitudinal axis (8) of the sole.
11. A sports shoe as in Claim 10, characterized in that the stiffening ribs (7) exhibit a pitch of from 2 up to 5 mm.
12. A sports shoe as in one of the Claims 1 to 11, characterized in that for the stiffening of the running sole (1) outside the zone(s) (12, 13) of bend there are provided in the region of the running sole (1) at the front of the foot at least two inserts (18r 19) of particularly hard plastics, which at the same time form carrier-pieces for the profiled projections (20) and/or gripping members (17) in the form of spikes.
13. A sports shoe as in one of the Claims 1 to 12, characterized in that the inserts (18, 19) are made L-shaped, the longer arms running in each case at least approximately perpendicularly to the longitudinal axis (8) of the sole.
14. A sports shoe as in one of the Claims 1 to 13, characterized in that profiled projections (20, 24) of at least approximately equal heights are provided, moulded onto or into the running sole (1), and profiled projections (17) in the form of spikes, which may be inserted afterwards, project only slightly beyond the former.
15. A sports shoe as in one of the Claims 1 to 14, characterized in that the stiffening plate (5) exhibits at least in the region of the supporting wall (6) at the edge a cranked border (23) running in the direction of the running sole (1).
16. A sports shoe as in Claim 15, characterized in that the border (23) extends along the whole outer edge of the stiffening plate (5).
17. A sports shoe as in one of the Claims 1 to 16, characterized in that the running sole (1) exhibits in the region of the heel (3) a raised border (10).
18. A sports shoe as in one of the Claims 15 to 17, characterized in that the cranked border (23) and the raised border (10) are made towards the end very thinwalled and in cross-section very acute-angled.
19. A sports shoe as in one of the Claims 1 to 18, characterized in that in the stiffening plate (5) and/or in the stiffening pieces(s) (18, 19) provided in the region at the front of the foot perforations (25) are provided, through which extend profiled projections (24) moulded onto the running sole (1
20. A sports shoe as in one of the Claims 1 to 19, characterized in that in the stiffening plate (5) in the region of the longitudinal arch of the foot perforations (25) are provided and the profiled projections reaching through these exhibit on the running face the shape of letters of the alphabet and/or numerals.
EP83108929A 1982-09-11 1983-09-09 Sports shoe for athletics Expired EP0103285B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83108929T ATE16557T1 (en) 1982-09-11 1983-09-09 SPORT SHOE FOR ATHLETICS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3233792 1982-09-11
DE19823233792 DE3233792A1 (en) 1982-09-11 1982-09-11 SPORTSHOE FOR LIGHTWEIGHT

Publications (2)

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EP0103285A1 EP0103285A1 (en) 1984-03-21
EP0103285B1 true EP0103285B1 (en) 1985-11-21

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EP (1) EP0103285B1 (en)
AT (1) ATE16557T1 (en)
AU (1) AU555703B2 (en)
DE (2) DE3233792A1 (en)
ES (1) ES274109Y (en)
ZA (1) ZA836262B (en)

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Publication number Publication date
ES274109U (en) 1984-03-16
ZA836262B (en) 1984-10-31
EP0103285A1 (en) 1984-03-21
AU1899283A (en) 1984-03-15
US4546559A (en) 1985-10-15
DE3361298D1 (en) 1986-01-02
ES274109Y (en) 1984-10-16
ATE16557T1 (en) 1985-12-15
AU555703B2 (en) 1986-10-02
DE3233792A1 (en) 1984-03-15

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