WO2011038805A1 - Base d'appareil ambulatoire - Google Patents

Base d'appareil ambulatoire Download PDF

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Publication number
WO2011038805A1
WO2011038805A1 PCT/EP2010/005023 EP2010005023W WO2011038805A1 WO 2011038805 A1 WO2011038805 A1 WO 2011038805A1 EP 2010005023 W EP2010005023 W EP 2010005023W WO 2011038805 A1 WO2011038805 A1 WO 2011038805A1
Authority
WO
WIPO (PCT)
Prior art keywords
heel
gehgerätboden
region
reinforcing element
midsole
Prior art date
Application number
PCT/EP2010/005023
Other languages
German (de)
English (en)
Inventor
Hermann Oberschneider
Original Assignee
Masai Marketing & Trading Ag
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 Masai Marketing & Trading Ag filed Critical Masai Marketing & Trading Ag
Publication of WO2011038805A1 publication Critical patent/WO2011038805A1/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
    • A43B13/143—Soles; Sole-and-heel integral units characterised by the constructive form provided with wedged, concave or convex end portions, e.g. for improving roll-off of the foot
    • A43B13/145—Convex portions, e.g. with a bump or projection, e.g. 'Masai' type shoes

Definitions

  • the present invention relates to a device base with the features of the preamble of patent claim 1.
  • a footer floor of this kind for footwear is known under the name Masai Barefoot Technology, MBT for short, and also under the label Swiss Masai.
  • Characteristic of the MBT is a kovex rounded in the direction of the sole shape with an inserted
  • MBT shoes Due to the deliberately soft and destabilizing design of the MBT walker bottom, the foot loses its support and support for physiological locomotion, which affects the posture and support muscles Because the body constantly needs to be kept in balance, because of the constant need for minimum balance and tension in the foot muscles to find a secure footing, wearing MBT shoes requires a kind of permanent coordination training and additional stress on parts of the skeletal muscle. In particular, neglected muscles are trained, posture and gait are improved, and the body is toned and shaped. , and tendon injuries help as well as hip and relieve knee joints. However, the known device floors of MBT shoes have a considerable thickness.
  • a reinforcing element of a midsole has a surface part which extends continuously over a midfoot region and from this on the one hand into a heel region and on the other hand into a bale and toe region.
  • the object of this reinforcing element is to reinforce the midsole, at least in the midfoot and heel area, with respect to the stresses during standing and walking, at least approximately rigidly.
  • the reinforcing element is provided with a bridge which projects in the midfoot region from the surface part in the direction towards an outsole and defines, together with the surface part, a tunnel which runs transversely to the running direction.
  • This bridge is firmly connected at both ends with the surface part.
  • the reinforcing element preferably extends to at least approximately the rear end of the recess and thus approximately to the rear end of the Gehillongebers and thus stiffened the midsole in its section located above the recess. Due to the possible lower height of the walker floor, this is also suitable for walkers, which are intended for sports purposes.
  • the tunnel extends uninterruptedly through the walking device floor.
  • the surface part also extends over the entire width of the Gehommeêts and this preferably from the rear end of the walker to the front end.
  • this surface part has passages, for example formed by recesses at the rear and at the front end, in order to be able to firmly connect the parts of the device floor arranged below the reinforcement element with a footbed layer possibly arranged above the latter.
  • the tunnel viewed in side view, has an at least approximately triangular cross section. It is possible to make the surface part in its thickness, in the region of the bridge, thinner than the bridge itself and the sections of the surface part adjoining the bridge on both sides.
  • the surface part is formed approximately flat or has an elongated S-shape, which is preferably convex in the toe and ball area and in the metatarsus area in the direction towards bottom and concave in the heel area in the direction towards bottom.
  • This concave shape is preferably also taken over by that section or leg of the bridge, which faces the recess and thus the soft heel part.
  • the seen in the direction of it in the direction towards the front subsequent section or leg The bridge is preferably rectilinear and extends obliquely forward and upward to the surface part.
  • Fig. 5 shows a second cross section through the
  • Fig. 6 is a third cross section through the
  • FIG. 7 shows a fourth cross-section through the device base along the line VII-VII of FIG. 3;
  • Fig. 8 shows a fifth cross section through the
  • FIGS. 9 is a perspective exploded view of the device base according to FIGS. 1 to 8.
  • the embodiment shown in the figures of an inventive Gehellateils has a midsole 10 which extends continuously from the rear end of the walker bottom over a heel area 12, a midfoot area 14 and a ball and toe area 16 to the front end of the Gehtowngebers. Each of these areas covers approximately one third of the length of the walker floor.
  • the midsole 10 has a recess 18 in which a soft heel part 20 is arranged.
  • the recess 18 is arcuately concave in the downward direction and extends from a rear end portion 22 of the heel area 12, toward the front, into the midfoot area 14 and preferably ends therein in the rear half of the midfoot region 14 seen in the running direction, for example at the border from the rear to the middle third.
  • the midsole 10 When in the direction L front end of the recess 18, the midsole 10 forms a tilting edge 24 which transversely to the running direction L runs.
  • the bending radius is preferably the smallest in the heel region 12 and the largest in the midfoot region 14; this except at the top of the walker floor.
  • An outsole 26 is disposed on the underside of the midsole 10 and the heel piece 20 and fixedly connected thereto, for example, by gluing.
  • This outsole 26 preferably made of an abrasion-resistant rubber-elastic material, is also held by the midsole 16 and the soft heel part 20 in said convex shape.
  • the soft-elastic heel piece 20 compresses to about half of its thickness, whereas the midsole 10 retains its shape virtually unchanged.
  • the recess 18 completely filling heel soft part 20, and thus the recess 18 itself tapers to its front end in a wedge shape up to the tilting edge 24.
  • the midsole 10 is at least approximately rigid under load when walking and standing, it has a reinforcing element 28.
  • This is provided with a surface part 30, which extends over the midfoot region 14 and from this on the one hand into the heel region 12 and on the other hand into the bale region. and toe area 16 in, as seen in side view, extending steadily.
  • This surface portion 30 may be formed approximately flat or, seen in side view, have a strongly elongated S-shape; it has no larger, preferably no steps.
  • the surface portion 30 From the surface portion 30 is in the midfoot region 14 in the direction towards the outsole 26 toward a bridge 32 before, whose front and rear end is firmly connected to the surface portion 30.
  • the surface part 30 and the bridge 32 are integrally formed, for example by means of injection molding.
  • the bridge 32 and the surface part 30 delimit a tunnel 34, which extends in a preferred manner, as shown in the embodiment, continuously from an outside 36 of the walker bottom to an inner side 38 of the walker bottom.
  • the rigidly formed tunnel 34 is open on both sides against the environment, but it could also be closed on one or both sides by means of a foil-like wall.
  • the inner side 38 is the side which faces the other base of a pair of gantries while the outer side 36 faces away from the other gantry base.
  • the tunnel 34 has approximately the cross section of an obtuse triangle, wherein the base is formed by the surface portion 30.
  • the approximately in front, seen in the direction L, at the middle of the walker bottom beginning front leg 40 of the bridge 32 is preferably flat and extends from the surface portion 30 toward the rear with a slope for example, about 30 ° to above the tilting edge 24.
  • the rear leg 42 connects to the front. It extends with a downwardly concave shape, seen in side view, with a slope to about the rear end of the midfoot region 14 or slightly into the heel region 12, where it merges with the surface portion 30.
  • the surface portion 30 is thinner in thickness than the two legs 40 and 42; he is in this area when standing and walking mainly burdened train.
  • the surface part 30 of the reinforcing element 28 extends over the entire length of the device base from the outside 36 to the inside 38. It can be provided with passages in order to be able to directly connect a footbed layer 46 provided above the reinforcing element 28 to the layers of the base of the hearing aid underneath the reinforcing element 28. In the illustrated embodiment, these passages are by against backwards or towards the front open cutouts 48 at rear or front end of the Gehillon foundeds formed in the surface portion 30.
  • the reinforcing element 28 preferably extends from the rear end to the front end of the walker bottom. As can be seen in particular from FIG.
  • the thickness of the surface part 30 continuously decreases from the tunnel 34 until it reaches the rear, free end.
  • the material of the reinforcing member 28 and its construction is chosen so that it, compared to the load during walking and standing, in the midfoot region 14 and in particular above the recess 18 remains virtually rigid, even if the soft heel part 20 is strongly compressed.
  • the surface part 30 is designed to be of a similar bending stiffness from the tunnel 34 in the direction towards the front, preferably to at least the front end of the midfoot region 14, preferably into the rear part of the ball and toe area.
  • the reinforcing element 28 reinforces the midsole 10 such that it forms a rocker pivoting about the tilting edge 24 when walking.
  • the cross-section of the tunnel 34 viewed over its length, preferably remains approximately constant and only ever decreases slightly towards the shoe center.
  • the reinforcing element 28 has a circumferential bead 50 on the circumference, especially in the direction towards the top. This also serves to stiffen the reinforcing element 28 and allows a stable connection with the footbed layer 46.
  • the footbed layer 46 also has, as can be seen in particular in FIGS. 3 to 8, a circumferential upwardly projecting footbed bead 52, which in particular also serves for a stable connection with a dashed line in FIG. 1, generally known upper boot 54.
  • a damping layer 56 which is formed in the present case as a damping body and, in the direction L, continuously from the front end of the Gehtownbodens to the tilting edge 24 formed by it and out of this with a tongue 58th or a flap in the direction of the heel region 12 extends.
  • the cushioning layer 56 thus abuts against the reinforcing element 28 and is firmly connected thereto, for example by gluing or injection molding using affine materials, which also applies to the tongue 58, which is seen in the direction L to about the middle of the rear leg 42 extends.
  • the damping layer 56 extends from the outside 36 to the inside 38. It has its greatest thickness at the front end of the bridge 32; it is there for example 1 to 2 cm, in particular about 1.5 cm. The thickness of the damping layer 56 decreases continuously from here to the front end of the device bottom.
  • an intermediate layer 60 On the heel-soft part 20 side facing both the tongue 58 and the reinforcing element 28 is covered by means of an intermediate layer 60.
  • the intermediate layer 60 extends uninterruptedly from the outside 36 to the inside 38.
  • the heel piece 20 has, seen in side view, a cross-section in the shape of a convex-convex lens and completely fills the space defined by the recess 18 and the outsole 26 space. Its largest thickness is preferably between about 1.5 to 2.5 cm, in particular about 2 cm.
  • the soft heel part consists of an open-pore polyurethane elastomer foam (PU), its end faces on the outside 36 and inside 38 being able to be coated with a deformable skin.
  • the density may be, for example, between about 0.24 and 0.3 mg per mm 3 .
  • Its modulus of elasticity may be, for example, 0.4 to 0.5 N / mm 2 , measured with a plunger of 20 mm diameter and a load of 100 N.
  • the hardness may, for example, be about 30 Shore-C. However, the hardness can be smaller or slightly larger.
  • the soft heel part is soft elastic relative to the other parts of the walker bottom.
  • the damping layer 56 or the preferably homogeneous damping body forming it can for example be made from an ethylene vinyl acetate (EVA), for example by casting or injection molding. Its hardness is, for example, in the order of 55 Shore-C. The hardness of the damping layer 56 is thus about twice as large as that of the soft heel part 20; this Ratio, however, may be slightly lower, but also greater.
  • the modulus of elasticity of the damping layer 56 can be, for example, between 0.7 and 1.2 N / mm 2 . The ratio of the modulus of elasticity of the soft heel part 20 to the damping layer 56 is thus about 1: 1.5 to 1: 3. However, this ratio can also be chosen larger.
  • the reinforcing element 28 is preferably produced by injection molding and consists for example of glass fiber reinforced polyurethane elastomer (TPU). Its hardness is preferably about 70 to about 100 Shore-A.
  • the modulus of elasticity in the heel region is preferably greater than 10 N / mm 2 , measured with a punch of 20 mm diameter and a load of 1000 N.
  • the bending moment of the reinforcing element 28 in the heel region is for example about 4 ⁇ 500-6 ⁇ 000 N. / mm 2 ; however, it can also be higher or lower. Especially in the front region of the ball and toe region 16, the bending moment is preferably smaller.
  • the intermediate layer 60 is also made of TPU and has a hardness of between about 70 and 90 Shore-A. It is also preferably produced by injection molding in the injection molding process.
  • the footbed layer 46 is preferably made of the same material as the cushioning layer 56 and is preferably also in casting or
  • the soft heel part 20 is formed as a continuous soft heel part body.
  • these supports from the same material as the damping layer 56.
  • the intermediate layer 60 is integrally formed with the cushion layer 56 of the same material.
  • the heel piece 20 Upon landing on the ground with the heel region 12, the heel piece 20 is compressed, preferably to about half of its thickness, whereas the midsole 10 retains its shape virtually unchanged. Beats are strongly damped. The balance must be actively sought. In the rolling movement, the tilting edge 24 is overcome, the midsole 10 practically makes a rocker movement about the tilting edge 24. Subsequently, the further rolling movement on the damping layer 56 without this changes their shape significantly. Even when standing, the balance must be actively sought.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

L'invention concerne une base d'appareil ambulatoire dont la semelle centrale (10) comporte un élément de renforcement (28). Ledit élément de renforcement présente une partie plate (30) qui s'étend régulièrement de la zone du talon (20) à la zone de la plante antérieure du pied et des orteils (16) en passant par la zone centrale du pied, un pont (32) faisant saillie de ladite partie plate, dans la zone centrale du pied (14), vers le bas. Ledit pont délimite, conjointement avec la partie plate (30), un tunnel (34). L'élément de renforcement (28) est formé de manière telle que la semelle centrale (10) soit au moins à peu près résistante à la flexion en cas de charges apparaissant en station debout ou en marche. Cela permet de profiter intégralement de l'effet amortissant et très élastique de la partie souple du talon (20) en station debout ou en marche.
PCT/EP2010/005023 2009-10-02 2010-08-16 Base d'appareil ambulatoire WO2011038805A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09012487A EP2305057A1 (fr) 2009-10-02 2009-10-02 Sol technique pour la marche
EP09012487.6 2009-10-02

Publications (1)

Publication Number Publication Date
WO2011038805A1 true WO2011038805A1 (fr) 2011-04-07

Family

ID=41819237

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/005023 WO2011038805A1 (fr) 2009-10-02 2010-08-16 Base d'appareil ambulatoire

Country Status (2)

Country Link
EP (1) EP2305057A1 (fr)
WO (1) WO2011038805A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160345668A1 (en) * 2015-05-29 2016-12-01 Masai International Pte Ltd. Articles of footwear and shoe soles for midfoot impact region
US10681957B2 (en) 2015-09-17 2020-06-16 Daniel Thomas Duarte Suspension bridging shoe

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5579591A (en) * 1993-06-29 1996-12-03 Limited Responsibility Company Frontier Footwear for patients of osteoarthritis of the knee
EP2080443A1 (fr) * 2008-01-18 2009-07-22 Rynkorea Co., Ltd. Semelle pour chaussures masai spéciales pour la marche
EP2105058A1 (fr) * 2008-03-29 2009-09-30 Masai Marketing & Trading AG Appareil de marche
EP2156762A1 (fr) * 2008-08-21 2010-02-24 Masai Marketing & Trading AG Semelle de chaussure dotée d'une ventilation d'air

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5579591A (en) * 1993-06-29 1996-12-03 Limited Responsibility Company Frontier Footwear for patients of osteoarthritis of the knee
EP2080443A1 (fr) * 2008-01-18 2009-07-22 Rynkorea Co., Ltd. Semelle pour chaussures masai spéciales pour la marche
EP2105058A1 (fr) * 2008-03-29 2009-09-30 Masai Marketing & Trading AG Appareil de marche
EP2156762A1 (fr) * 2008-08-21 2010-02-24 Masai Marketing & Trading AG Semelle de chaussure dotée d'une ventilation d'air

Also Published As

Publication number Publication date
EP2305057A1 (fr) 2011-04-06

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