EP0313591B1 - Running shoe - Google Patents
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- Publication number
- EP0313591B1 EP0313591B1 EP88902403A EP88902403A EP0313591B1 EP 0313591 B1 EP0313591 B1 EP 0313591B1 EP 88902403 A EP88902403 A EP 88902403A EP 88902403 A EP88902403 A EP 88902403A EP 0313591 B1 EP0313591 B1 EP 0313591B1
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- European Patent Office
- Prior art keywords
- sole
- wedge
- front sole
- running shoe
- pct
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- 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 - Lifetime
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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 invention relates to a racing shoe with the features according to the preamble of claim 1.
- the rolling of the foot does not take place as usual from the first heel. Rather, the heel does not or hardly comes into contact with the ground, since the runner first places the stretched foot on the track in the area of the outer ball and from there rolls off towards the inner ball.
- the runner When touching down with the outer ball area, i.e. at the first moment of contact with the ground, the runner first seeks track contact, i.e. a safe position on the track, and then immediately during the rolling process towards the inner ball using the gripping elements attached to the hard front sole to apply leg strength to the ground transfer.
- This first track contact in the area of the outer bale is of essential importance for the safe run and for optimal performance of the runner, since at least this determines the initial phase of the rolling process towards the inner bale. If the runner does not touch the right edge of the sole, a correction of the process takes place during the rolling process, which is an immediate one wool transmission prevented and therefore represents a loss of performance. As long as the runner is fresh, he succeeds in making the first spell contact in such a way that an optimal rolling process is possible. Even if the runner is slightly tired, the tendency to seek the first spell contact with foot areas further back increases, which in the end leads to heel contact with greater fatigue. By shifting the touchdown point further from the outer ball, the tendency to sink back onto the heel becomes more pronounced.
- This shoe construction has proven to be advantageous insofar as the runner does not first have to look for a safe stand to initiate and carry out the rolling process due to the mentioned support edge, but instead immediately put it on fully and can already transfer leg strength to the track, because if done correctly Put on the rolling process by itself over the hard front sole part with the support edge.
- a one-handed rolling process can no longer be initiated if the touchdown point on the foot moves further back due to fatigue of the runner, because it also runs in the longitudinal direction of the sole slightly curved support edge allows such a touchdown without further ado.
- a racing shoe is also known in which a heel part in the form of a heel is provided from an elastically resilient material, which prevents the front sole from tipping back onto the heel and even achieves an acceleration component in the running direction due to the elasticity of the heel should (DE-PS 27 20 849).
- DE-PS 27 20 849 a racing shoe is also known in which a heel part in the form of a heel is provided from an elastically resilient material, which prevents the front sole from tipping back onto the heel and even achieves an acceleration component in the running direction due to the elasticity of the heel should.
- the invention is therefore based on the object of providing a racing shoe of the type specified above, which enables the runner to better maintain the foot posture required for optimal performance during the run.
- the invention is based on the consideration that the area of the outsole adjoining the front sole must be used in such a way that even with increasing tendency of the runner to touch further down, the rolling behavior over the bale remains largely unchanged.
- the foot is first brought into a stretched position emphasizing the placement with the front outer ball.
- the wedge forms with its underside a continuation of the running side of the front sole, since it lies in the same plane with it, so that the outer edge of the wedge also represents a continuation of the outer sole edge.
- the wedge-shaped support body prevents the heel from lowering accordingly. Rather, that the support body and the front sole are in the same plane, created a "tilt axis" in the area of the outer sole edge, which brings the foot into the correct starting position, from which the rolling process runs to the inner ball. Since the wedge is made of a relatively hard material, even if it can be compressed as a whole *, it cannot be compressed to such an extent that the ability to return the foot to the desired position is impaired. This function is significantly supported by the fact that the sole wedge extends relatively far into the sole joint, because this supports the runner's foot at a point behind the rear metatarsal joint, which is close to the ankle bone.
- the support wedge must be provided on each skin in the area of the outer edge of the sole, where it extends into the area of the sole joint.
- the area in the area of the sole joint also comes into contact relatively early in the area of the inner edge of the sole. For this reason, it makes sense to provide the support wedge in the area of the inner sole edge.
- the front sole consisting of hard plastic, for example polyamide, extends beyond the underside of the wedge is extended at the back and thus covers it. Since the material of the front sole is practically not pressure-deformable, but is flexible, the lengthening of the sole does not result in any significant stiffening, because the pressure deformability of the wedge, which is still present, can give the sole at least to the same extent. This is especially true if - as mentioned above - the wedge is only guided along the outer and inner sole edge for weight reasons, so that the extension of the front sole is formed accordingly fork-shaped, or if a weight-saving in the wedge and then also in the front sole extension Recess is provided.
- hard plastic for example polyamide
- the outer sole edge of the front sole in the area between the outer ball and the sole joint is pulled up over the shoe upper to a supporting shell.
- a lifting of the outer edge of the sole is in principle already known, but in the area of the outer ball.
- the support shell formed by the raised edge is located behind the outer ball, in order to thereby steer the foot back into the correct starting position in the same manner, as explained above in connection with the support wedge.
- the racing shoe shown in the drawings has a front sole 1 to which gripping elements 2 are attached in a non-detachable or exchangeable manner.
- the front sole 1 is made of a relatively hard material, e.g. hard-set polyamide, which is practically not pressure-formable and can absorb the forces transmitted by the gripping elements 2 during the run.
- the front sole 1 has a thickness between 1 and 2 mm.
- the front sole 1 is slightly shell-shaped, that is to say it is pulled upwards by a few millimeters on the outside of the shoe upper 3 from the toe to the ball area (which is indicated by I).
- the front sole 1 is raised to a support shell 4 which is approximately triangular in side view and which extends approximately 1.5 to 2 cm on the outside of the shoe upper 3.
- the front sole 1 is extended into the sole joint II and thereby covers a support wedge 5 attached to the underside of an (not shown) insole from a relative hard, but elastically compressible foam material, e.g. polyurethane.
- the material of the support wedge 5 has a hardness of at least 40 Shore A, preferably 45-50 Shore A and reaches 70 Shore A.
- the support wedge is designed in such a way that at the end of the outer ball I starting in the sole joint II has a thickness of about 13 to 14 mm. This gives the foot in the shoe a certain stretch position from the outset, which prevents the web from touching the heel when the front sole is flat on the web.
- the wedge 5 and the extended front sole 1 in the part behind the rearmost gripping element 2 have a closed-edged recess 6, from which the material of the wedge 5 is so far removed that it is approximately a depth of 5 to 10 mm.
- the weight is reduced without the supporting and guiding function of the wedge 5 described at the outset being impaired.
- a rear sole 7 is also provided in the form of a very flat shell, which likewise consists of a relatively hard plastic, for example polyamide.
- the shell shape of the rear sole 7 becomes more pronounced towards the rear, so that it overlaps the upper 3 by about 5 mm in the area of the heel apex.
- a low heel 8 can be fastened under the rear sole 7, which is excluded from the shape of a horseshoe for weight reasons, as can be seen in FIG. 2.
- the paragraph 8 can consist of the same, relatively hard, but elastically compressible material that forms the wedge 5. However, it is also possible to use a more flexible material for this.
- the height of the heel 8 is chosen to be so small that it does not touch the track when the racing shoe stands upright on the front sole 1.
- the height of the wedge 5 in the sole joint II of approximately 13 to 14 mm, there is a distance between the (not shown) web and the bottom of the rear sole 7 of about 2 cm.
- Paragraph 8 on the other hand, has a height of approximately 1 cm and serves as security against tipping back.
- the described, slightly shell-shaped design of the front sole 1 is not essential. Rather, the front sole 1, even without forming the support shell 4, can extend as a largely flat sole plate into the sole joint II in order to cover the underside of the wedge 5. On the other hand, the front sole 1 can also extend in the conventional manner only shortly behind the rearmost gripping elements 2, so that the continuation of the running side of the front sole 1 is formed by the lower surface of the wedge 5 itself.
- the rear sole 7, which is designed as a flat shell, is also not absolutely necessary. In its place, a light outsole made of thin and possibly profiled rubber or the like on the underside. be provided.
- the wedge with its underside is in one plane with the front sole, it does not take on the full load when the foot is placed on the track alone, or at least only for an extremely short time, because the adjoining front sole immediately provides further support is used. Its elasticity, kept within the specified Shore hardness, is therefore sufficient for the control function described at the beginning in relation to the rolling process. If the wedge on the barrel side, as explained in the exemplary embodiment, is covered by the rear sole made of hard plastic material, then the hardness of the wedge can be selected at the lower limit of the specified Shore hardness range because the hard outsole layer a fictitious increase in the wedge hardness results. However, if the wedge itself forms the running side, its hardness can be increased towards the upper limit.
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- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
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Abstract
Description
Die Erfindung betrifft einen Rennschuh mit den Merkmalen gemäß dem Oberbegriff des Anspruches 1.The invention relates to a racing shoe with the features according to the preamble of claim 1.
Beim schnellen Lauf, insbesondere beim Sprint, vollzieht sich der Abrollvorgang des Fusses nicht wie gewöhnlich von der zuerst aufsetzenden Ferse her. Vielmehr kommt die Ferse mit dem Boden nicht oder kaum in Berührung, da der Läufer den gestreckten Fuß zuerst schon im Bereich des Außenballens auf die Bahn aufsetzt und von dort ein Abrollen zum Innenballen hin stattfindet. Beim Aufsetzen mit dem Außenballenbereich, d.h. im ersten Moment des Bodenkontakts, sucht der Läufer zunächst Bahnkontakt, d.h. den sicheren Stand auf der Bahn, um dann sofort schon während des Abrollvorganges hin zum Innenballen mittels der an der harten Vordersohle befestigten Greifelemente Beinkraft auf den Boden zu übertragen. Dieser erste Bahnkontakt im Bereich des Außenballens ist für den sicheren Lauf und für eine optimale Leistung des Läufers von wesentlicher Bedeutung, da dieser zumindest die Anfangsphase des Abrollvorganges zum Innenballen hin wesentlich bestimmt. Setzt der Läufer nicht an der richtigen Stelle der Sohlenaußenkante auf, so findet während des Abrollvorganges zunächst eine Korrektur des Vorganges statt, die eine sofortige wolle Kraftübertragung verhindert und folglich eine Leistungseinbuße darstellt. Solange der Läufer frisch ist, gelingt es ihm, der ersten Bannkontakt so zu erzielen, daß ein optimaler Abrollvorgang möglich ist. Schon bei geringfügiger Ermüdung des Läufers steigt aber die Neigung, den ersten Bannkontakt mit weiter hinten liegenden Fußbereichen zu suchen, was bei stärkerer Ermüdung letztlich zu einem Aufsetzen mit der Ferse führt. Durch die Verlagerung des Aufsetzpunktes vom Außenballen weiter nach hinten wird aber wiederum zunehmend die Neigung zu einem Zurücksacken auf die Ferse ausgeprägter.When running fast, especially when sprinting, the rolling of the foot does not take place as usual from the first heel. Rather, the heel does not or hardly comes into contact with the ground, since the runner first places the stretched foot on the track in the area of the outer ball and from there rolls off towards the inner ball. When touching down with the outer ball area, i.e. at the first moment of contact with the ground, the runner first seeks track contact, i.e. a safe position on the track, and then immediately during the rolling process towards the inner ball using the gripping elements attached to the hard front sole to apply leg strength to the ground transfer. This first track contact in the area of the outer bale is of essential importance for the safe run and for optimal performance of the runner, since at least this determines the initial phase of the rolling process towards the inner bale. If the runner does not touch the right edge of the sole, a correction of the process takes place during the rolling process, which is an immediate one wool transmission prevented and therefore represents a loss of performance. As long as the runner is fresh, he succeeds in making the first spell contact in such a way that an optimal rolling process is possible. Even if the runner is slightly tired, the tendency to seek the first spell contact with foot areas further back increases, which in the end leads to heel contact with greater fatigue. By shifting the touchdown point further from the outer ball, the tendency to sink back onto the heel becomes more pronounced.
Es gibt bereits mannigfaltige Vorschläge, um durch eine entsprechende Ausgestaltung von Rennschuhen das Aufsetzverhalten und den daran anschließenden Abrollvorgang vom Außenballen zum Innenballen auch bei einer gewissen Ermüdung des Läufers besser in den Griff zu bekommen. So sind Rennschuhe bekannt, bei denen die harte, die Greifelemente tragerde Vordersohle einen den Schaft im Außenballenbereich seitlich umfassenden Stützrand aufweist, der mit einer relativ grossen Rundung in die harte Vordersohle übergeht (DE-OS 28 05 426). Damit ist beabsichtigt, daß der Abrollvorgang vom ersten Aufsetzen bis zum Ende durch diese Rundung gesteuert wird. Diese Schuhkonstruktion hat sich zwar insoweit als vorteilhaft erwiesen, als durch den erwähnten Stützrand der Läufer nicht erst sicheren Stand zu suchen braucht, um den Abrollvorgang einzuleiten und durchzuführen, sondern sofort voll aufsetzen und auch bereits Beinkraft auf die Bahn übertragen kann, weil sich bei richtigem Aufsetzen der Abrollvorgang von selbst über den harten Vordersohlenteil mit dem Stützrand abwickelt. Jedoch lässt sich auch mittels dieses Stützrandes kein einhandfreier Abrollvorgang mehr einleiten, wenn infolge einer Ermüdung des Läufers der Aufsetzpunkt am Fuß weiter nach hinten wandert, weil der auch in Sohlenlängsrichtung etwas gewölbte Stützrand ein solches Aufsetzen ohne weiteres zulässt.There are already various proposals to get a better grip on the fitting behavior and the subsequent rolling process from the outer ball to the inner ball even with a certain fatigue of the runner by appropriately designing racing shoes. Racing shoes are known in which the hard front sole, which carries the gripping elements, has a support edge which laterally encompasses the shaft in the outer ball area and merges into the hard front sole with a relatively large curve (DE-OS 28 05 426). The intention is that the rolling process is controlled by this rounding from the first touchdown to the end. This shoe construction has proven to be advantageous insofar as the runner does not first have to look for a safe stand to initiate and carry out the rolling process due to the mentioned support edge, but instead immediately put it on fully and can already transfer leg strength to the track, because if done correctly Put on the rolling process by itself over the hard front sole part with the support edge. However, even with this support edge, a one-handed rolling process can no longer be initiated if the touchdown point on the foot moves further back due to fatigue of the runner, because it also runs in the longitudinal direction of the sole slightly curved support edge allows such a touchdown without further ado.
Es ist auch bereits von einem Rennschuh der eingangs angegebenen Art bekannt, hirter den hintersten Greifelementen der Vordersohle ein Polster aus elastischem Material inzuordnen, das über die Vordersohle nach unten hinausragt (DE-OS 31 15 488). Dieses Polster soll den Stoß beim Aufsetzen auf dem Boden mildern und dazu beitragen, daß der Läufer Bodenkontakt im Bereich des Fußballens behält und nicht auf die Ferse zurückschwingen kann. Jedoch bringt auch dieser Rennschuh keine entscheidende Verbesserung, weil das über die Vordersohle nach unten hinausstehende Polster zwangsläufig zuerst und zwar relativ weit hinter dem Außenballen mit dem Boden in Berührung kommt, wodurch der vom Läufer angestrebte Erstkontakt im Bereich des Außenballens gestört wird. Da das Polster nach unten vorsteht und daher nachgiebig ist, ist seine Steuerungsfähigkeit für die Einleitung des Abrollvorganges vom Außen- zum Innenballen nur schlecht. Denn infolge dieser Nachgiebigkeit lässt es wiederum dem Läufer weitgehend Spielraum, in Abhängigkeit von dessen Konzentration und Kraft den Bahnkontakt an der richtigen Stelle zu suchen.It is also known from a racing shoe of the type specified at the outset to arrange a cushion made of elastic material past the rearmost gripping elements of the front sole, which protrudes downward beyond the front sole (DE-OS 31 15 488). This cushion should alleviate the impact when touching the ground and help the runner to keep in contact with the ball of the foot and not swing back onto the heel. However, this racing shoe does not bring any decisive improvement either, because the cushion that protrudes downwards over the front sole inevitably comes into contact with the ground first, relatively far behind the outer ball, which disrupts the first contact sought by the runner in the area of the outer ball. Since the cushion protrudes downwards and is therefore flexible, its ability to control the initiation of the rolling process from the outer to the inner bale is poor. As a result of this flexibility, the runner largely leaves scope to find the right track contact depending on his concentration and strength.
Schließlich ist auch schon ein Rennschuh bekannt, bei dem ein Fersenteil in Form eines Absatzes aus einem elastisch nachgiebigen Material vorgesehen ist, durch den ein Zurückhippen von der Vordersohle auf die Ferse verhindert und sogar ― durch die Elastizität des Absatzes ― eines Beschleunigunsskomponente in Laufrichtung erzielt werden soll (DE-PS 27 20 849). Da dieser Absatz aber so niedrig gehalten ist, daß er mit der Bahn nicht in Kontakt kommt, solange der Läufer im Vollbesitz seiner Kräfte ist und auf dem Vorfuß vom Außenballen zum Innenballen hin abrollt, kann er die Verlagerung des Aufsetzpunkten nach hinten grundsätzlich erst dann behindern, wenn diese bereits zu einem bestimmten Ausmaß stattgefunder hat. Dann hat der Läufer aber auch die gestreckte Fußhaltung bereits soweit verlassen, daß der gewünschte Abrollvorgang über den Ballen und die augenblickliche Kraftentfaltung nur roch mit Zeitverzögerung möglich sind.Finally, a racing shoe is also known in which a heel part in the form of a heel is provided from an elastically resilient material, which prevents the front sole from tipping back onto the heel and even achieves an acceleration component in the running direction due to the elasticity of the heel should (DE-PS 27 20 849). However, since this paragraph is kept so low that it does not come into contact with the track as long as the runner is in full possession of his strength and rolls on the forefoot from the outer ball to the inner ball, he can only hinder the shifting of the touchdown point to the rear if it has already taken place to a certain extent. Then the runner has already left the stretched foot posture to such an extent that the desired rolling process over the bale and the instantaneous development of force are only possible with a slight delay.
Der Erfindung liegt deshalb die Aufgabe zugrunde, einen Rennschuh der vorstehend angegebenen Art zu schaffen, der es dem Läufer ermöglicht, die für die optimale Leistung erforderliche Fußhaltung beim Lauf besser beizubehalten.The invention is therefore based on the object of providing a racing shoe of the type specified above, which enables the runner to better maintain the foot posture required for optimal performance during the run.
Erfindungsgemäß wird dies erreicht durch die Merkmale des Rennschuhes gemäß dem Kennzeichen des Anspruches 1.According to the invention, this is achieved by the features of the racing shoe according to the characterizing part of claim 1.
Die Erfindung geht dabei von der Überlegung aus, daß der in die Vordersohle anschließende Bereich der Laufsohle so zur Unterstützung herangezogen werden muß, daß sich auch bei zunehmender Neigung des Läufers, weiter hinten aufzusetzen, ein weitgehend unverändertes Abrollverhalten über den Ballen ergibt. Hierzu ist durch die Anordnung des sich nach hinten verdickenden keilförmigen Stützkörpers hinter der Vordersohle zunächst der Fuß in eine das Aufsetzen mit dem vorderen Außenballen betonende Streckstellung gebracht. Weiterhin bildet der Keil mit seiner Unterseite eine Fortsetzung der Laufseite der Vordersohle, da er mit dieser in derselben Ebene liegt, so daß auch die Außenkante des Keils eine Fortsetzung des äußeren Sohlenrandes darstellt. Entwickelt daher der Läufer durch ein Nachlassen seiner Kräfte eine zunehmende Neigung, das Gewicht beim ersten Bahnkontakt weiter nach hinten auf die Außenkante der Sohle zu verlagern, so hindert der keilförmige Stützkörper ein entsprechendes Absinken der Ferse. Vielmehr wird dadurch, daß der Stützkörper und die Vordersohle in der gleichen Ebene liegen, im Bereich des äußeren Sohlenrandes eine "Kippachse" geschaffen, die den Fuß in die richtige Ausgangslage verbringt, von der aus der Abrollvorgang zum Innenballen hin abläuft. Da der Keil aus einem relativ harten, wenn auch insgesamt druckverformbaren Material besteht*, kann er durch die Belastung beim Aufsetzen nicht soweit zusammengedrückt werden, daß seine Fähigkeit, den Fuß in die gewünschte Lage zurückzuführen, dadurch beeinträchtigt ist. Diese Funktion wird wesentlich dadurch unterstützt, daß der Sohlenkeil sich relativ weit in das Sohlengelenk hineinerstreckt, Denn dadurch wird der Fuß des Läufers an einer Stelle noch hinter der hinteren Metatarsalgelenken unterstützt, die nahe dem Sprungbein liegt.
The invention is based on the consideration that the area of the outsole adjoining the front sole must be used in such a way that even with increasing tendency of the runner to touch further down, the rolling behavior over the bale remains largely unchanged. For this purpose, by arranging the wedge-shaped support body thickening to the rear behind the front sole, the foot is first brought into a stretched position emphasizing the placement with the front outer ball. Furthermore, the wedge forms with its underside a continuation of the running side of the front sole, since it lies in the same plane with it, so that the outer edge of the wedge also represents a continuation of the outer sole edge. Therefore, if the runner develops an increasing tendency to shift the weight further back on the outer edge of the sole when the first contact with the web occurs, the wedge-shaped support body prevents the heel from lowering accordingly. Rather, that the support body and the front sole are in the same plane, created a "tilt axis" in the area of the outer sole edge, which brings the foot into the correct starting position, from which the rolling process runs to the inner ball. Since the wedge is made of a relatively hard material, even if it can be compressed as a whole *, it cannot be compressed to such an extent that the ability to return the foot to the desired position is impaired. This function is significantly supported by the fact that the sole wedge extends relatively far into the sole joint, because this supports the runner's foot at a point behind the rear metatarsal joint, which is close to the ankle bone.
*und nicht nach unten über die Vordersohle übersteht
* and does not protrude down over the front sole
Aus der geschilderten Funktion ergibt sich, daß der Stützkeil auf jeden Fell im Bereich des Sohlenaußenrandes vorgesehen sein muß, wo er sich bis in den Bereich des Sohlengelenks erstreckt. Da der Fuß beim Abrollvorgang aber eine Verwindung zwischen Vorfuß und Rückfuß um eine in Fußlängsrichtung verlaufende Achse erfährt, kommt es im Bereich des Sohlengelenks verhältnismässig frühzeitig auch zu einem Aufsetzen im Bereich des inneren Sohlenrandes. Aus diesem Grund ist es sinnvoll, den Stützkeil auch im Bereich des inneren Sohlenrandes vorzusehen. Um die Verformung des Keils in den gewünschten niedrigen Ausmaßen zu halten, ist es zweckmässig, den Keil durchgehend bis in das Sohlengelenk auszubilden, wobei daran gedacht werden kann, aus Gewichtsgründen zwischen den Sohlenrändern eine geschlossen berandete Ausnehmung vorzusehen.From the described function it follows that the support wedge must be provided on each skin in the area of the outer edge of the sole, where it extends into the area of the sole joint. However, since the foot undergoes a twisting between the forefoot and the rearfoot about an axis running in the longitudinal direction of the foot during the rolling process, the area in the area of the sole joint also comes into contact relatively early in the area of the inner edge of the sole. For this reason, it makes sense to provide the support wedge in the area of the inner sole edge. In order to keep the deformation of the wedge to the desired low extent, it is expedient to design the wedge continuously into the sole joint, it being possible to provide a closed-edged recess between the sole edges for reasons of weight.
Nach einer vorteilhaften Ausgestaltung ist vorgesehen, daß die aus hartem Kunststoff, z.B. Polyamid, bestehende Vordersohle über die Unterseite des Keils hinweg nach hinten verlängert ist und somit diesen bedeckt. Da das Material der Vordersohle praktisch nicht druckverformbar, jedoch biegeelastisch ist, ergibt die Verlängerung der Sohle keine ins Gewicht fallende Versteifung, weil durch die immerhin vorhandene Druckverformbarkeit des Keils die Sohle zumindest im geichen Ausmaß nachgeben kann. Dies gilt insbesondere dann, wenn ― wie oben erwähnt ― der Keil aus Gewichtsgründen entweder nur längs des äußeren und inneren Sohlenrandes geführt ist, so daß die Verlängerung der Vordersohle entsprechend gabelförmig gebildet ist, oder wenn im Keil und entsprechend dann auch in der Vordersohlenverlängerung eine gewichtssparende Ausnehmung vorgesehen ist.According to an advantageous embodiment, it is provided that the front sole consisting of hard plastic, for example polyamide, extends beyond the underside of the wedge is extended at the back and thus covers it. Since the material of the front sole is practically not pressure-deformable, but is flexible, the lengthening of the sole does not result in any significant stiffening, because the pressure deformability of the wedge, which is still present, can give the sole at least to the same extent. This is especially true if - as mentioned above - the wedge is only guided along the outer and inner sole edge for weight reasons, so that the extension of the front sole is formed accordingly fork-shaped, or if a weight-saving in the wedge and then also in the front sole extension Recess is provided.
Nach einer weiteren vorteilhaften Ausgestaltung ist der äußere Sohlenrand der Vordersohle im Bereich zwischen dem Außenballen und dem Sohlengelenk über den Schuhschaft hinauf zu einer Stützschale hochgezogen. Wie eingangs beschrieben, ist ein derartiges Hochziehen des äußeren Sohlenrandes grundsätzlich zwar bereits bekannt, jedoch im Bereich des Außenballens. Bei dem erfindungsgemässen Rennschuh hingegen befindet sich die durch den hochgezogenen Rand gebildete Stützschale hinter dem Außenballen, um hierdurch den Fuß in der gleichen Weisein die richtige Abroll-Ausgangslage zurückzusteuern, wie dies in Zusammenhang mit dem Stützkeil vorstehend erläutert ist.According to a further advantageous embodiment, the outer sole edge of the front sole in the area between the outer ball and the sole joint is pulled up over the shoe upper to a supporting shell. As described at the beginning, such a lifting of the outer edge of the sole is in principle already known, but in the area of the outer ball. In the racing shoe according to the invention, on the other hand, the support shell formed by the raised edge is located behind the outer ball, in order to thereby steer the foot back into the correct starting position in the same manner, as explained above in connection with the support wedge.
Andere zweckmässige Ausgestaltungen ergeben sich aus weiteren Unteransprüchen.Other expedient configurations result from further subclaims.
Ein Ausführungsbeispiel der Erfindung ist nachfolgend anhand der beiliegenden Zeichnungen näher erläutert.An embodiment of the invention is explained below with reference to the accompanying drawings.
In den Zeichnungen zeigen:
- Fig. 1
- eine Seitenansicht eines erfindungsgemässen Rennschuhes, und
- Fig. 2
- eine Untenansicht auf den Rennschuh nach Fig. 1
The drawings show:
- Fig. 1
- a side view of a racing shoe according to the invention, and
- Fig. 2
- a bottom view of the racing shoe of FIG. 1
Der in den Zeichnungen dargestellte Rennschuh besitzt eine Vordersohle 1, an der unlösbar oder austauschbar Greifelemente 2 befestist sind. Die Vordersohle 1 besteht aus einem relativ harten Material, z.B. hart eingestelltem Polyamid, das praktisch nicht druckverformbar ist und die durch die Greifelemente 2 beim Lauf übertragenen Kräfte aufnehmen kann. Hierzu weist die Vordersohle 1 eine Dicke zwischen 1 und 2 mm auf.The racing shoe shown in the drawings has a front sole 1 to which gripping elements 2 are attached in a non-detachable or exchangeable manner. The front sole 1 is made of a relatively hard material, e.g. hard-set polyamide, which is practically not pressure-formable and can absorb the forces transmitted by the gripping elements 2 during the run. For this purpose, the front sole 1 has a thickness between 1 and 2 mm.
Wie aus Fig. 1 hervorgeht, ist die Vordersohle 1 leicht schalenförmig ausgebildet, d.h. sie ist auf der Außenseite des Schuhschaftes 3 von der Schuhspitze bis zum Ballenbereich (der mit I angedeutet ist) um wenige Millimeter nach oben gezogen. Beginnend von Außenballen I bis in dis Sohlengelenk II ningegen ist die Vordersohle 1 zu einer in der Seitenansicht etwa dreieckförmigen Stützschale 4 hochgezogen, die sich etwa 1,5 bis 2 cm auf der Außenseite des Schuhschaftes 3 nach oben erstreckt. Im Vergleich zu den herkömmlichen Rennschuhen, bei denen die Vordersohle unmittelbar hinter den hintersten Greifelementen endet, ist hier die Vordersohle 1 bis in das Sohlengelenk II hinein verlängert und bedeckt dabei einen an der Unterseite einer nicht gezeigten (Teil) Brandsohle befestigten Stützkeil 5 aus einem relativ harten, jedoch elastisch druckverformbaren Schaumstoffmaterial, z.B. Polyurethan. Das Material des Stützkeils 5 hat mindestens eine Härte von 40 Shore A, vorzugsweise 45-50 Shore A und erreicht 70 Shore A.Der Stützkeil ist so gestaltet, daß er am Ende des außenballens I beginnend im Sohlengelenk II eine Dicke von etwa 13 bis 14 mm hat. Hierdurch erhält der Fuß im Schuh von vornherein eine gewisse Streckstellung, die bei flächiger Auflage der Vordersohle auf der Bahn eine Berührung der Bahn mit der Ferse verhindert.As can be seen from FIG. 1, the front sole 1 is slightly shell-shaped, that is to say it is pulled upwards by a few millimeters on the outside of the shoe upper 3 from the toe to the ball area (which is indicated by I). Starting from the outer ball I to the sole joint II, however, the front sole 1 is raised to a support shell 4 which is approximately triangular in side view and which extends approximately 1.5 to 2 cm on the outside of the shoe upper 3. Compared to the conventional racing shoes, in which the front sole ends directly behind the rearmost gripping elements, here the front sole 1 is extended into the sole joint II and thereby covers a support wedge 5 attached to the underside of an (not shown) insole from a relative hard, but elastically compressible foam material, e.g. polyurethane. The material of the support wedge 5 has a hardness of at least 40 Shore A, preferably 45-50 Shore A and reaches 70 Shore A. The support wedge is designed in such a way that at the end of the outer ball I starting in the sole joint II has a thickness of about 13 to 14 mm. This gives the foot in the shoe a certain stretch position from the outset, which prevents the web from touching the heel when the front sole is flat on the web.
Wie aus Fig. 2 hervorgeht, weisen der Keil 5 und die verlängerte Vordersohle 1 in dem Teil hinter dem hintersten Greifelement 2 eine geschlossen berandete Ausnehmung 6 auf, aus der das Material des Keiles 5 soweit entfernt ist, daß sie etwa eine Tiefe von 5 bis 10 mm hat. Hierdurch wird das Gewicht verringert, ohne daß die eingangs beschriebene Stütz- und Führungsfunktion des Keiles 5 beeinträchtigt wird.As can be seen from Fig. 2, the wedge 5 and the extended front sole 1 in the part behind the rearmost gripping element 2 have a closed-edged recess 6, from which the material of the wedge 5 is so far removed that it is approximately a depth of 5 to 10 mm. As a result, the weight is reduced without the supporting and guiding function of the wedge 5 described at the outset being impaired.
Unter dem rückwärtigen Teil des Schuhschaftes, etwa beginnend im Sohlengelenk II, ist weiterhin eine Hintersohle 7 in Form einer sehr flachen Schale vorgesehen, die ebenfalls aus einem verhältnismässig harten Kunststoff, z.B. Polyamid, besteht. Wie aus Fig. 1 hervorgeht, wird die Schalenform der Hintersohle 7 nach hinten zu ausgeprägter, so daß sie im Bereich der Fersenscheitellinie den Schaft 3 etwa um 5 mm nach oben übergreift. In diesem Bereich kann, wie gestrichelt angedeutet ist, unter der Hintersohle 7 ein niedriger Absatz 8 befestigt sein, der aus Gewichtsgründen hufeisenförmig ausgenommen ist, wie aus Fig. 2 hervorgeht. Der Absatz 8 kann aus dem gleichen, relativ härten, jedoch elastisch druckverformbaren Material bestehen, das den Keil 5 bildet. Es ist jedoch auch möglich, ein nachgiebigeres Material hierfür einzusetzen. Wie Fig. 1 Erkennen lässt, ist die Höhe des Absatzes 8 so klein gewählt, daß dieser bei flächigem Aufstand des Rennschuhes auf der Vordersohle 1 die Bahn nicht berührt. Mit der vorstehend angegebenen Höhe des keils 5 im Sohlengelenk II von etwa 13 bis 14 mm ergibt sich ein Abstand zwischen der (nicht gezeigten) Bahn und der Unterseite der Hintersohle 7 von etwa 2 cm. Der Absatz 8 hat demgegenüber eine Höhe von etwa 1 cm und dient zur Sicherheit gegen ein Zurückkippen.Under the rear part of the shoe upper, starting, for example, in the sole joint II, a rear sole 7 is also provided in the form of a very flat shell, which likewise consists of a relatively hard plastic, for example polyamide. As can be seen from FIG. 1, the shell shape of the rear sole 7 becomes more pronounced towards the rear, so that it overlaps the upper 3 by about 5 mm in the area of the heel apex. In this area, as indicated by dashed lines, a
Im Rahmen der Erfindung kann von dem vorstehend beschriebenen Ausführurgsbeispiel abgewichen werden. So ist die geschilderte, leicht schalenförmige Ausbildung der Vordersohle 1 nicht zwingend. Vielmehr kann die Vordersohle 1, auch ohne Ausbildung der Stützschale 4, sich als weitgehend ebene Sohlenplatte bis in das Sohlengelenk II hineinerstrecken, um die Unterseite des Keiles 5 zu bedecken. Andererseits kann die Vordersohle 1 aber auch in der herkömmlichen Weise sich nur bis kurz hinter die hintersten Greifelemente 2 erstrecken, so daß die Fortsetzung der Laufseite der Vordersohle 1 durch die Unterfläche des Keiles 5 selbst gebildet wird. Auch die als flache Schale ausgebildete Hintersohle 7 ist nicht zwingend erforderlich. An ihrer Stelle kann eine leichte Laufsohle aus dünnem und ggf. auf der Unterseite profilierten Gummi od.dgl. vorgesehen sein.Within the scope of the invention it is possible to deviate from the exemplary embodiment described above. Thus, the described, slightly shell-shaped design of the front sole 1 is not essential. Rather, the front sole 1, even without forming the support shell 4, can extend as a largely flat sole plate into the sole joint II in order to cover the underside of the wedge 5. On the other hand, the front sole 1 can also extend in the conventional manner only shortly behind the rearmost gripping elements 2, so that the continuation of the running side of the front sole 1 is formed by the lower surface of the wedge 5 itself. The rear sole 7, which is designed as a flat shell, is also not absolutely necessary. In its place, a light outsole made of thin and possibly profiled rubber or the like on the underside. be provided.
Dadurch, daß erfindungsgemäß der Keil mit seiner Unterseite sich in einer Ebene mit der Vordersohle befindet, übernimmt er beim Aufsetzen des Fusses auf der Bahn nicht allein die volle Belastung oder zumindest nur für eine außerordentlich kurze Zeit, weil die daran anschließende Vordersohle unmittelbar zur weiteren Unterstützung herangezogen wird. Seine im Rahmen der angegebenen Shore-Härte gehaltene Elastizität ist deshalb ausreichend für die eingangs beschriebene Steuerfunktion in Bezug auf den Abrollvorgang. Ist der Keil laufseitig, wie im Ausführungsbeispiel erläutert, durch die insoweit nach hinten gezogene Vordersohle aus hartem Kunststoffmaterial abgedeckt, dann kann die Härte des Keiles an der unteren Grenze des angegebenen Shore-Härte-bereiches gewählt werden, weil die harte Laufsohlenschicht eine fiktive Erhöhung der Keilhärte ergibt. Bildet der Keil hingegen selbst die Laufseite, so kann seine Härte zur oberen Grenze hin erhöht werden.The fact that according to the invention the wedge with its underside is in one plane with the front sole, it does not take on the full load when the foot is placed on the track alone, or at least only for an extremely short time, because the adjoining front sole immediately provides further support is used. Its elasticity, kept within the specified Shore hardness, is therefore sufficient for the control function described at the beginning in relation to the rolling process. If the wedge on the barrel side, as explained in the exemplary embodiment, is covered by the rear sole made of hard plastic material, then the hardness of the wedge can be selected at the lower limit of the specified Shore hardness range because the hard outsole layer a fictitious increase in the wedge hardness results. However, if the wedge itself forms the running side, its hardness can be increased towards the upper limit.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT88902403T ATE65673T1 (en) | 1987-04-24 | 1988-03-17 | RACING SHOE. |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8705947U | 1987-04-24 | ||
| DE8705947 | 1987-04-24 | ||
| DE8709091U | 1987-07-01 | ||
| DE8709091U DE8709091U1 (en) | 1987-04-24 | 1987-07-01 | Racing shoe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0313591A1 EP0313591A1 (en) | 1989-05-03 |
| EP0313591B1 true EP0313591B1 (en) | 1991-07-31 |
Family
ID=25951715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP88902403A Expired - Lifetime EP0313591B1 (en) | 1987-04-24 | 1988-03-17 | Running shoe |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4949476A (en) |
| EP (1) | EP0313591B1 (en) |
| JP (1) | JPH01502165A (en) |
| KR (1) | KR910008957B1 (en) |
| AT (1) | ATE65673T1 (en) |
| AU (1) | AU592496B2 (en) |
| BR (1) | BR6802838U (en) |
| DE (2) | DE8709091U1 (en) |
| FI (1) | FI885769A0 (en) |
| WO (1) | WO1988008263A1 (en) |
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| US20150181974A1 (en) * | 2013-10-22 | 2015-07-02 | Anthony Davis | Athletic shoe trainer |
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| US2095766A (en) * | 1935-12-07 | 1937-10-12 | Athletic Shoe Company | Athletic shoe |
| DE1014462B (en) * | 1955-07-05 | 1957-08-22 | Adolf Dassler | Sports shoes, in particular racing shoes |
| US2758394A (en) * | 1955-07-25 | 1956-08-14 | Alan C Whitlock | Running shoe |
| US3028689A (en) * | 1958-12-05 | 1962-04-10 | Puma Schuhfabrik Rudolf Dassle | Sport shoe provided with a protective cap |
| US3918181A (en) * | 1973-01-31 | 1975-11-11 | Onitsuka Co Ltd | Sport shoe |
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| DE2720849C2 (en) * | 1977-05-09 | 1985-10-17 | Armin A. 8522 Herzogenaurach Dassler | Lightweight sports shoe |
| DE2805426A1 (en) * | 1978-02-09 | 1979-08-16 | Adolf Dassler | Sprinting shoe sole of polyamide - has stability increased by moulded lateral support portions |
| US4361971A (en) * | 1980-04-28 | 1982-12-07 | Brs, Inc. | Track shoe having metatarsal cushion on spike plate |
| JPS6274301A (en) * | 1985-09-27 | 1987-04-06 | 岡村 初太郎 | Sports shoes with half sole |
-
1987
- 1987-07-01 DE DE8709091U patent/DE8709091U1/en not_active Expired
-
1988
- 1988-03-17 EP EP88902403A patent/EP0313591B1/en not_active Expired - Lifetime
- 1988-03-17 DE DE8888902403T patent/DE3864006D1/en not_active Expired - Lifetime
- 1988-03-17 AT AT88902403T patent/ATE65673T1/en not_active IP Right Cessation
- 1988-03-17 US US07/301,885 patent/US4949476A/en not_active Expired - Fee Related
- 1988-03-17 BR BR6802838U patent/BR6802838U/en unknown
- 1988-03-17 AU AU14257/88A patent/AU592496B2/en not_active Ceased
- 1988-03-17 JP JP63502398A patent/JPH01502165A/en active Granted
- 1988-03-17 WO PCT/DE1988/000164 patent/WO1988008263A1/en active IP Right Grant
- 1988-03-17 KR KR1019880701719A patent/KR910008957B1/en not_active IP Right Cessation
- 1988-12-13 FI FI885769A patent/FI885769A0/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR910008957B1 (en) | 1991-10-26 |
| KR890700322A (en) | 1989-04-24 |
| JPH01502165A (en) | 1989-08-03 |
| DE3864006D1 (en) | 1991-09-05 |
| WO1988008263A1 (en) | 1988-11-03 |
| ATE65673T1 (en) | 1991-08-15 |
| JPH0572801B2 (en) | 1993-10-13 |
| FI885769A (en) | 1988-12-13 |
| DE8709091U1 (en) | 1987-08-20 |
| AU592496B2 (en) | 1990-01-11 |
| AU1425788A (en) | 1988-12-02 |
| BR6802838U (en) | 1989-10-31 |
| US4949476A (en) | 1990-08-21 |
| EP0313591A1 (en) | 1989-05-03 |
| FI885769A0 (en) | 1988-12-13 |
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