WO2011020798A1 - Amortisseur de marche pour semelles de chaussure - Google Patents

Amortisseur de marche pour semelles de chaussure Download PDF

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Publication number
WO2011020798A1
WO2011020798A1 PCT/EP2010/061862 EP2010061862W WO2011020798A1 WO 2011020798 A1 WO2011020798 A1 WO 2011020798A1 EP 2010061862 W EP2010061862 W EP 2010061862W WO 2011020798 A1 WO2011020798 A1 WO 2011020798A1
Authority
WO
WIPO (PCT)
Prior art keywords
buffer
arms
elastic
shoe sole
performance
Prior art date
Application number
PCT/EP2010/061862
Other languages
German (de)
English (en)
Other versions
WO2011020798A4 (fr
Inventor
Stefan Lederer
Original Assignee
Stefan Lederer
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
Priority claimed from DE200910037837 external-priority patent/DE102009037837A1/de
Priority claimed from DE200910050783 external-priority patent/DE102009050783A1/de
Application filed by Stefan Lederer filed Critical Stefan Lederer
Publication of WO2011020798A1 publication Critical patent/WO2011020798A1/fr
Publication of WO2011020798A4 publication Critical patent/WO2011020798A4/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/181—Resiliency achieved by the structure of the sole
    • A43B13/183—Leaf springs
    • 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
    • A43B13/187—Resiliency achieved by the features of the material, e.g. foam, non liquid materials

Definitions

  • the present invention relates to performance buffers for shoe soles.
  • an outsole for a hiking or hiking boots is known, with respective arranged in the heel and in the ball area of the outsole cushioning cushion of shock-absorbing material, each cushion pad at the front and back a transverse to the sole longitudinal direction approximately parallel to Tread of the sole extending groove having a V-shaped cross-section.
  • the cushion pads may be foamed in the heel and ball area.
  • the groove of the damping pad at the front and back can be designed to be of different lengths and / or depths and / or widths in order to achieve an optimal rolling movement of the user's foot without impairing the shock absorption.
  • the solution of DE 44 098 68 A1 is disadvantageous because the energy is lost when walking or walking for the most part, so that there is no sufficient support of the biomechanical movements when walking and running. The lack of support makes walking and running difficult.
  • the solution of DE 44 098 68 A1 does not provide a sufficient shock-absorbing effect, so that the shock loads occurring during walking and running are transmitted on long-term consideration in a damaging manner on the knee, hip and spine.
  • the present invention is therefore an object of the invention to provide a sole that provides optimal support for the biomechanical movement during walking and running to facilitate walking and running and to recover the highest possible proportion of energy generated during walking and running.
  • a sole should be provided at the same time, which does not or only minimally transfers the shock loads occurring during walking and running to the knee, hip and spine.
  • the present invention is directed, in one aspect, to an outsole bumper for shoe soles, comprising: a) an elasticated clasp formed integrally with two arms having a width, length and thickness and being spaced from one another; and a joint having a thickness, whereby the elastic clasp forms a hollow profile with an open and a closed side, wherein substantially the thickness of the joint determines a resilience effect of the emergence buffer; and b) a filling having a predetermined Shore hardness A in the elastic buckle, wherein substantially the Shore hardness A of the filling in addition to the rebound effect determines a damping effect of the Aufhoffspuffers
  • the filling is fixedly connected to the arms of the elastic clasp at the top and bottom ( For example, by gluing or spraying, so that the provision of the elastic clasp is delayed by This advantageously the impact forces can be reduced.
  • the present invention is directed in a further aspect to a shoe sole with at least one performance buffer according to the invention.
  • FIG. 1A and 1B show a schematic view of two embodiments of the performance buffers according to the present invention
  • FIG. 2 shows a schematic view of a shoe sole with the occurrence buffers from FIGS. 1A and 1B in an arrangement according to the invention
  • Figure 3 is a schematic cross-sectional view taken along the longitudinal axis of one embodiment of a sole according to the present invention.
  • Figures 4A and 4B is a schematic view of two further preferred embodiments of the buffers according to the present invention.
  • Figures 5A and 5B show an embodiment according to the invention of the specifically shaped holder 5 for the appearance buffer 1 according to the invention in a side view and a top view, respectively;
  • 5C and 5D show the specifically shaped holder 5 from FIGS. 5A and 5B with the bumps 1 and the heel portions 1 received therein in a plan view and a side view, respectively;
  • 5E shows a variant of the holder 5 of FIGS. 5A and 5B, respectively;
  • FIG. 6A shows an embodiment of a means 6 with a through hole
  • FIG. 6B shows an embodiment of the corresponding recess of the holder 5 with through-hole for receiving the means 6 from FIG. 6A, FIG.
  • FIG. 7 is a perspective view of another embodiment of the impact buffer as integrally formed bale region and heel region bumpers 8 according to the present invention
  • 8A is a schematic view of the embodiment of FIG. 7
  • FIG. 8B is a modification of the embodiment of FIGS. 7 and 8A;
  • Fig. 10 is a plan view of a Schuh alonesole with lateral cuts.
  • a shoe soles appearance buffer 1 comprises an elastic buckle 2 and a panel 3 (see also Fig. 3).
  • the elastic buckle 2 may be formed in one piece and has two arms 21, 22 on the two Arms 21, 22 are fixedly connected to the filling 3, for example, by gluing or spraying, so that the provision of the elastic clip is delayed thereby advantageously the impact forces can be reduced.
  • the elastic clips 2 of FIGS. 1A and 1B can advantageously be embedded in rubber, EVA or PU. In the case of embedding in the rubber, this can form the sole of the shoe, so that practically the elastic clips 2 are embedded in the sole Case of embedding the elastic clips 2 in the EVA or PU attached a separate rubber sole on the bottom directed to the bottom. The same applies to the elastic clips of FIGS. 2 to 4B.
  • the arms 21, 22 have a width, length and thickness and a distance from one another.
  • the arms 21, 22 are connected to one another via a connection point 23.
  • the elastic clip 2 forms a hollow profile with an open and a closed side
  • the joint 23 has a thickness that can be greater than the thickness of the arms 21, 22 and can essentially determine a springback effect or the strength of the rebound of the impingement buffer 1. Of course, the thickness of the joint 23 also determine the load capacity of the impulse buffer 1. This restoring effect contributes to the recovery of energy thereby the energy expenditure when walking and running can be reduced and the biomechanical movements can be supported. This makes walking and running much easier.
  • the filling 3 of the impingement buffer 1 has a predetermined Shore hardness A and is located in the elastic clip 2.
  • the filling 3 can fill the hollow profile of the elastic clip 2 completely or only up to a certain percentage.
  • the filling 3 acts like a shock absorber, wherein substantially the Shore hardness A of the filling 3 in addition to the rebound effect can determine a damping effect of the impingement buffer 1.
  • This cushioning effect can contribute to reducing shock loads occurring during walking and running, as a result of which the impact loads can not or only minimally be transmitted to the knee, hip and spine
  • the elastic clasp 2 as viewed from the side view, ellipsen, round, oval or U-shaped. In the figures of the present invention, however, the elastic clip 2 is always shown substantially elliptical
  • the respective widths of the arms 21, 22, the elastic clasp 2 and the impulse buffer 1 may be different. However, it is preferred to choose the width of the arms 21, 22 or of the elastic clasp 2 or of the impingement buffer 1, respectively, so that they lie against one another predetermined position of a shoe sole extends substantially over the entire width of the shoe sole, as shown in FIG. 2 can be seen
  • the length of the arms 21, 22 may be substantially the same (see Fig. 1A) or different (cf. Fig. 1B).
  • An equal length of the arms 21, 22 may be provided at a bumper 1 provided for the heel region , a better return force can be achieved at the rear (see also Fig. 4B).
  • a shortened arm 21 in a bump 1 the for the Bale area is provided, a better rolling action can be achieved in front (see also Fig 4A)
  • the shape of the elastic clip in the ball area and heel area is different
  • the length of the arms 21, 22 may be between about 5 to 8 cm. In another embodiment, the length of the arms 21, 22 may have a difference of about 1.5 to 2 cm.
  • the thickness of the arms may be between about 2 to 4 mm, the thickness not having to be constant from the joint to the end. The thicker the arms 21, 22, the more stress can be absorbed
  • the distance of the arms 21, 22 from one another to be attached in the ball area elastic clip 2 between about 12 to 20 mm and be attached to the heel in the heel region 11 elastic clip between about 15 to 30 mm
  • the distance over the length of the arms 21, 22 does not have to be the same throughout.
  • At the attachable in the ball area elastic clasp is for example advantageous if the bottom of the elastic clasp directed towards the bottom has a concave curvature. This facilitates the rolling motion.
  • the arms 21, 22 may be substantially straight and / or curved (see FIGS. 2 and 3).
  • bar splitting can be used, which refers to the curvature of the arms 21, 22.
  • substantially straight arms 21, 22 are “bars without detonation” before and in substantially curved arms are “bars with detonation” before.
  • the thickness of the joint 23 may be between about 4 to 15 mm.
  • the weight of the user increases with increasing shoe sizes. The more weight on the elastic The greater the distance of the elastic clips, the more damping properties are given and vice versa the distance between the arms of the elastic clips, the thicker the elastic clips and the wider the joint, the greater the spring action and damping at medium and high weight.
  • spring action and damping is a function of the distance of the arms 21, 22 of the elastic clasp, the thickness of the elastic clasp and the width of the joint.
  • At least one side of at least one arm 21, 22 on the open side of the elastic clip 2 can be made shorter, as shown in FIG. 4A.
  • the elastic clip of FIG. 4A is preferably inserted in the front part of a right sole and the shortened left lower arm 22 can be used to assist pronation Pronation is a natural damping motion of a foot in the ankle, with a slight buckling inward being normal and desirable. In supination, the burden goes in the opposite direction.
  • the right lower arm 22 may be chamfered. This chamfer may serve to aid in supination
  • the elastic clip 2 may have a recess 4 in at least one arm 21, 22 on the open side and / or a recess 4 on the closed side in both arms 21, 22.
  • the recess 4 runs along a longitudinal axis of the appearance buffer 1 (see Figures 4A and 4B).
  • the length of the recess 4 may be between about 2 to 3 cm.
  • the recess 4 may allow a torsion of the elastic clip 2 biomechanical motion sequences while walking and running are further supported
  • the elastic clasp 2 may be formed of carbon fiber, polyoxymethylene (POM) or a combination thereof.
  • POM polyoxymethylene
  • the polyoxymethylene homopolymer available under the tradename Delrin® from DuPont is used, allowing a cost effective solution. It is also conceivable to coat polyoxymethylene homopolymers such as Delrin® with carbon fibers.
  • the filling 3 may be made of ethyl vinyl acetate (EVA) or polyurethane (PU). It is preferred that the filling 3 has a Shore A hardness of about 25
  • the elastic clasps 2 can be completely embedded in the sole by the sole is over-molded around the elastic clasps 2
  • the elastic clips can be equipped with sockets to a bolted connection with a sock to realize.
  • a thin sole can then be glued to the underside of the elastic clips, so that a total of compared to the overmolded a filigree or thin construction is realized.
  • a hard element 7 may be arranged in the closed side of the elastic clip 2 (FIGS. 8A, 8B).
  • the hard member 7 serves to reduce the angle on the closed side under load by a user.
  • the hard element 7 is preferably a Hartfullung with a Shore A hardness of about 80 to 100, wherein the Hartfullung may be as hard as concrete and z.
  • the resilience effect of the impulse buffer 1 can be set in addition to or considerably easier than about the thickness of the joint 23, the thickness of the joint 23 can be made thinner, which can lead to a simpler production of the impulse buffer 1. Furthermore, by reducing the angle on the closed side of the elatician clip 2 lower stresses of the material, whereby the life of the impulse buffer 1 can be increased
  • the elastic clasp 2 can have means 6 in order to fix the appearance buffer 1 in a holder 5 specifically shaped for this purpose.
  • a holder 5 specifically shaped for this purpose.
  • FIGs 5A and 5B an embodiment of the invention of the specifically shaped support 5 for the bumpers 1 is shown in a side view and a plan view, respectively.
  • the illustrated support 5 extends substantially the entire circumference of a shoe sole and is in the ball area and heel area designed such that there the corresponding stage buffers 1 can be positively received over the entire surface of their upper arms 21.
  • the holder 5 may have recesses in the ball area and heel area, which are designed to receive the means 6 of the elastic clip 2 for a fixation, eg locking or screwing.
  • the illustrated holder 5 is in the central area, ie between the ball area and the heel area , formed curved upward.
  • the holder 5 additionally reinforces the shoe sole and, by virtue of its curvature, supports the biomechanical sequences during walking and running.
  • the specifically shaped holder 5 with its recorded bumps 1 in the ball area and heel area is in a plan view or a side view
  • the ball area occurrence buffer shown in Figs. 5C and 5D corresponds to the appearance buffer 1 of Fig. 4A
  • the heel area occurrence buffer corresponds to the appearance buffer 1 of Fig.
  • the holder 5 receives the appearance buffer 1 form gleichig over the entire surface of its upper arms 21
  • Fig. 5D can be clearly seen that the central region of the holder 5 is formed such that a continuous transition between the holder 5
  • the holder 5 covers the open side of the impulse buffer 1 and thus ensures an additional stationary fixation of the impulse buffer 1.
  • Figure 5E shows a variant of the support 5 of Figures 5A and 5B, respectively, in which there are apertures and / or cuts 44 to adjust the rigidity of the sole.
  • the rigidity of the sole increases with the number of breakthroughs or cuts 44.
  • the above-mentioned means 6 of the elastic clip 2 for fixing the appearance buffer 1 can be arranged, for example, on one of the arms 21.
  • Figs. 6A and 6B there is shown in Fig. 6A a means 6 having a through hole for locking the impingement buffer 1 with the holder 5 specifically shaped therefor.
  • Fig. 6B shows the corresponding recess of the through-hole holder 5 for Figs Recording the means 6 for locking.
  • the step buffers 1 are designed to be removable, so that the resilient clips of a bump 1 are embedded in rubber pads.
  • a performance buffer 1 so modular, removable unit can be formed
  • the holder 5 can also be made of polyoxymethylene (POM), preferably Delrin®, in the embodiment of FIGS. 5A to 6B.
  • POM polyoxymethylene
  • the same material can also be used for the entire sole. If the sole needs to be flexible at certain points, cuts can be made in those same places on the sole. Basically, the material of the bracket must be so rigid that the stresses during walking and especially when running are withstood.
  • the elastic clasps 2 for the ball area and heel area may be formed as a sole integral bump 1 (see Figures 7, 8A and 8B), whereby the respective arms 21 merge into one another while the respective arms 22 stand out therefrom, in order in conjunction with the filling 3 and with the hard element 7 or the adjustable screw / bolt 7 ', if present, to form a functional unit for damping and energy recovery.
  • a specifically shaped holder 5 of the embodiment of FIG. 5A which can lead to a savings in material and weight of the construction
  • no means 6 for fixing the elastic clip 2 to the holder on the elastic clip 2 5 required. Overall, this allows a much simpler manufacture of the construction can be achieved.
  • the sole integral bump 1 is relatively stiff depending on the material, with rigidity of the design intended as the running characteristics are substantially determined by the bumps 1.
  • the present invention further provides a shoe sole with at least one performance buffer 1 according to the invention.
  • the performance buffer 1 can be incorporated in the shoe sole by encapsulation, so that the performance buffers 1 or their elastic clasps 2 are embedded in the rubber, EVA or PU during encapsulation in this case.
  • the appearance buffer 1 can be received in the shoe sole by means of a holder 5 which is specifically shaped for this purpose, wherein in the latter case the appearance buffers 1 or their elastic clips 2 are provided with the rubber pads.
  • a shoe sole with two appearance bumpers 1 according to the invention, wherein in each case a performance buffer 1 is arranged in the ball region and heel region of the shoe sole (see FIGS. 2 and 3).
  • FIG. 9 shows a further embodiment of integrated in a shoe sole elastic clasps 2, the concave curved lower arms 22 of the elastic clasps 2 have the concave curvatures of the lower arms 22 of the elastic clasps 2 cause a more continuous spring action during the rolling process, starting from Heel strike up to forefoot lifting, compared with the elastic clasps 2 shown in Figures 1-3, and where the spring lever arm and thus the spring action of the lower arms 22 decreases more rapidly during the rolling process.
  • the outer free end 22a in the heel region 11 of the arms 22 of the elastic clasp 2, for example, thus forms over a wide Abroll Scheme a constant lever arm of the elastic clasp 2.
  • another preferred embodiment may also provide that the bottom facing inner ends 22b of the arms 22 of the elastic clips 2, the the joints 23 of the arms are facing, have a greater distance to the lower sole of the foot outward than the outer free ends 22a, whereby the spring action is maintained in a still wider range of Abrollvorgangs
  • the concave lower ho 2 fillings 9 are provided, which may preferably consist of PU or EVA
  • a plastic part 8 is preferably provided between the two elastic clips 2, in terms of its hardness in shape and material or its elasticity, depending on the intended use of the shoe.
  • a preferred embodiment of the shoe sole 12 is shown with recessed at the edges incisions 13, which allow to allow more elasticity with respect to a lateral placement and lifting of the foot
  • the appearance buffers 1 according to the invention are shown in the figures of the present invention so that, with respect to the foot position of a user, the bump 1 in the heel area with the open side facing backwards and the baffle 1 shows in the ball area with the open side to the front.
  • the orientation of the performance buffers 1 should not be limited to Other combinations of orientation are also conceivable which allow an implementation of the invention.
  • the average weight of a person is about 60 kg. When walking, this creates a so-called "impact pressure" of about 2 x 60 kg while running, the performance pressure is even about 7 x 60 kg.
  • the shape and the material of the impact buffer 1 must be selected accordingly to take on a footwear an occurrence pressure of at least 2 x 60 kg and to record at a running shoe a performance of at least 7 x 60 kg by an optimal match of form and material of the Auferiespuffers 1 can be achieved about a 10-15% energy recovery.
  • the foot of a user is always deformed in conventional soles (constructions), ie. a certain forefoot strain always arises.
  • the present invention significantly reduces this burden, which is very advantageous.
  • the rolling of the foot is thus carried out by the formation and construction of the buffers. 1

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

La présente invention concerne un amortisseur de marche (1) pour des semelles de chaussure, qui comprend les éléments suivants : a) une tige élastique (2), qui est formée d'une seule pièce, avec deux bras (21, 22), lesquels présentent une longueur, une largeur et une épaisseur, et un espacement; et un point de liaison (23) qui présente une épaisseur, la tige élastique (2) formant un profil creux avec un côté ouvert et un côté fermé, l'épaisseur du point de liaison (23) déterminant pour l'essentiel un effet de retour élastique de l'amortisseur de marche (1); et b) une charge (3) avec une dureté Shore A prédéfinie dans la tige élastique (2), la dureté Shore A de la charge (3) déterminant pour l'essentiel, en supplément de l'effet de retour élastique, un effet d'amortissement de l'amortisseur de marche (1). La charge (3) peut être reliée fixement aux deux bras (21, 22) de la tige élastique (2).
PCT/EP2010/061862 2009-08-18 2010-08-15 Amortisseur de marche pour semelles de chaussure WO2011020798A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102009037837.5 2009-08-18
DE200910037837 DE102009037837A1 (de) 2009-08-18 2009-08-18 Auftrittspuffer für Schuhsohlen
DE102009050783.3 2009-10-27
DE200910050783 DE102009050783A1 (de) 2009-10-27 2009-10-27 Auftrittspuffer für Schuhsohlen

Publications (2)

Publication Number Publication Date
WO2011020798A1 true WO2011020798A1 (fr) 2011-02-24
WO2011020798A4 WO2011020798A4 (fr) 2011-04-21

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Family Applications (1)

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PCT/EP2010/061862 WO2011020798A1 (fr) 2009-08-18 2010-08-15 Amortisseur de marche pour semelles de chaussure

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140259785A1 (en) * 2013-03-15 2014-09-18 Paul Walter Lester Energy return sole
USD1010297S1 (en) 2021-06-30 2024-01-09 Puma SE Shoe
US11974630B2 (en) 2021-01-20 2024-05-07 Puma SE Article of footwear having a sole plate

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4409868A1 (de) 1994-03-22 1995-09-28 Kneissl Dachstein Sportartikel Laufsohle, insbesondere für einen Wander- und Bergschuh
US20040068891A1 (en) * 2002-10-11 2004-04-15 Guohua Wang Shoe with elastic sole
WO2006049754A1 (fr) * 2004-10-27 2006-05-11 Kerrigan D Casey Structure de chaussure en porte-a-faux
US20080216350A1 (en) * 2003-10-08 2008-09-11 Wilhelm Ove Lindqvist Shoe system with a resilient shoe insert
US20090013556A1 (en) * 2005-05-13 2009-01-15 Tsuyoshi Nishiwaki Shock absorbing device for shoe sole

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4409868A1 (de) 1994-03-22 1995-09-28 Kneissl Dachstein Sportartikel Laufsohle, insbesondere für einen Wander- und Bergschuh
US20040068891A1 (en) * 2002-10-11 2004-04-15 Guohua Wang Shoe with elastic sole
US20080216350A1 (en) * 2003-10-08 2008-09-11 Wilhelm Ove Lindqvist Shoe system with a resilient shoe insert
WO2006049754A1 (fr) * 2004-10-27 2006-05-11 Kerrigan D Casey Structure de chaussure en porte-a-faux
US20090013556A1 (en) * 2005-05-13 2009-01-15 Tsuyoshi Nishiwaki Shock absorbing device for shoe sole

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140259785A1 (en) * 2013-03-15 2014-09-18 Paul Walter Lester Energy return sole
US9907353B2 (en) * 2013-03-15 2018-03-06 Paul Walter Lester Energy return sole
US11974630B2 (en) 2021-01-20 2024-05-07 Puma SE Article of footwear having a sole plate
USD1010297S1 (en) 2021-06-30 2024-01-09 Puma SE Shoe
USD1022422S1 (en) 2021-06-30 2024-04-16 Puma SE Shoe
USD1022421S1 (en) 2021-06-30 2024-04-16 Puma SE Shoe
USD1023531S1 (en) 2021-06-30 2024-04-23 Puma SE Shoe

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