WO2013168259A1 - Shoe soles having inclined grooves - Google Patents
Shoe soles having inclined grooves Download PDFInfo
- Publication number
- WO2013168259A1 WO2013168259A1 PCT/JP2012/062010 JP2012062010W WO2013168259A1 WO 2013168259 A1 WO2013168259 A1 WO 2013168259A1 JP 2012062010 W JP2012062010 W JP 2012062010W WO 2013168259 A1 WO2013168259 A1 WO 2013168259A1
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- WIPO (PCT)
- Prior art keywords
- oblique
- oblique groove
- midsole
- outsole
- arch
- Prior art date
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Classifications
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- 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
- A43B13/22—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
- A43B13/223—Profiled soles
-
- 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
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/141—Soles; Sole-and-heel integral units characterised by the constructive form with a part of the sole being flexible, e.g. permitting articulation or torsion
Definitions
- the present invention relates to a shoe sole having an oblique groove.
- Patent Document 1 Japanese Patent Document 1
- a shoe sole is light in weight, can suppress the valgus of the heel, and is required to have a function to reduce the impact of the heel.
- the above function cannot be sufficiently exhibited only by forming the oblique grooves on the shoe sole.
- an object of the present invention is to exhibit the above functions by forming appropriate oblique grooves.
- the present invention provides a shoe sole including an outsole 1 having a grounding surface that contacts a road surface, and a midsole 2 disposed on the outsole 1.
- a shoe sole including an outsole 1 having a grounding surface that contacts a road surface, and a midsole 2 disposed on the outsole 1.
- oblique grooves 4 extending in the front-rear direction to the outer edge of the rear foot part R in the rear foot part R are formed,
- the angle ⁇ formed by the long axis A2 connecting the midpoint O3 of the main ball O1 and the small ball O5 and the center O4 of the eyelid and the virtual center line Lc of the oblique groove 4 is in the range of 12 ° to 35 °.
- the present invention includes an outsole 1 having a grounding surface that contacts a road surface, and a midsole 2 disposed on the outsole 1, and includes a front foot part F, an arch part M, and a rear foot part.
- the outsole 1 is arranged so as not to cover the arch part M and is divided into the front foot part F and the rear foot part R, and the rear foot part R lacks the central part Rc of the inner side IN and the outer side OUT of the foot.
- the midsole 2 is exposed at the central portion Rc and the arch portion M of the rear foot R,
- the central portion Rc of the rear foot portion R of the midsole 2 and the outer portion 11 of the rear foot portion R of the outsole 1 are slanted back and forth at the rear foot portion R to the outer edge of the outer side OUT of the rear foot portion R.
- Oblique grooves 4 extending in the direction are formed,
- the angle ⁇ formed by the long axis A2 connecting the center point O3 of the main ball O1 and the small ball O2 and the center O5 of the eyelid and the virtual center line Lc of the oblique groove 4 is in the range of 12 ° to 35 °.
- Set to An imaginary intersection O between the center line Lc and the long axis A2 is disposed in a region from the rear half Mb of the arch M to the front half Rf of the rear foot R.
- the hallux valgus is caused by the rotation (twisting) of the foot around the subtalar joint axis A1.
- the subtalar joint axis A1 is inclined with respect to the anatomical long axis A2 of the foot in a horizontal plane.
- This angle of inclination According to T Inman (1969), it has an average of 23 ° and has a width of about ⁇ 11 ° due to individual differences. Therefore, it is important to maintain the torsional rigidity of the sole so as to reduce the rotation around the subtalar joint axis A1 inclined to 23 ° ⁇ 11 ° in order to suppress the valgus of the hip.
- the invention is not defined by the subtalar joint axis A1, but is defined by the position of the oblique groove 4 with respect to the sole, that is, the position of the intersection point O.
- the position of the intersection point O is defined by a dimension from the rear end of the shoe sole, while in another aspect, the position of the intersection point O is defined as the arch portion M and the rear foot portion of the shoe sole. Defined by position in R.
- the arch portion M refers to a portion of the middle foot where the outsole 1 is not provided
- the rear foot portion R refers to a portion behind the arch portion M.
- the oblique groove 4 reaches the outer periphery of the outer side of the rear foot of the sole. Therefore, it is considered that the compression rigidity of the sole on the outer side of the rear foot is lowered.
- the heel is grounded from the outside of the rear foot, it is expected that the outer side of the rear foot is greatly compressed and deformed and the upper surface of the sole is inclined as compared with the case where the oblique groove 4 is not provided immediately after the heel is grounded. This inclination is opposite to the valgus, so that the valgus angle of the heel portion will be small compared to the case without the inclined groove 4.
- the shock buffering property is improved due to the large deformation on the outer side of the rear foot.
- the slant groove 4 along the subtalar joint axis A1 can reduce the weight of the sole.
- the oblique grooves 4 obliquely cross the outside of the rear foot portion of the U-shaped (horse-shoe-shaped) outsole 1 at an angle ⁇ of 12 ° to 35 °. Therefore, the length of the oblique groove 4 outside the outsole 1 having a U-shape and a small area is long. That is, a long oblique groove 4 is formed in the U-shaped outsole 1 having a small area. Therefore, the light weight and the effect of valgus suppression and shock buffering are high.
- the outsole 1 since the outsole 1 has a U-shape in which the central portion Rc of the rear foot portion R is missing, the weight reduction can be achieved also by the lack of the central portion Rc.
- a slant groove 4 is formed in the midsole 2 in the central portion Rc. Accordingly, the midsole 2 also contributes to the torsional rigidity, and the weight reduction and the like are achieved.
- FIG. 1 is a perspective view of a shoe according to an embodiment of the present invention as seen from the rear of the bottom surface.
- FIG. 2 is a perspective view of the shoe as viewed from the outside of the bottom surface.
- FIG. 3 is a bottom view of the shoe sole.
- FIG. 4 is a bottom view of the shoe sole.
- FIG. 5 is an enlarged bottom view of the arch part and the rear foot part of the shoe sole.
- FIG. 6 is a plan view showing the skeleton of the foot.
- 7A is a sectional view taken along line VIIA-VIIA in FIG. 3
- FIG. 7B is a sectional view taken along line VIIB-VIIB in FIG. 8A to 8C relate to another embodiment
- FIG. 8A is a sectional view of the sole at the arch
- FIG. 8A is a sectional view of the sole at the arch
- FIG. 8B is a sectional view of the sole at the front half of the rear foot
- FIG. 8C is the rear of the rear foot. It is sectional drawing of the shoe sole in an end.
- FIG. 9 is a bottom view of a shoe sole showing still another embodiment.
- the oblique groove 4 has a front part 4F ahead of the intersection point O and a rear part 4B behind the intersection point O,
- the volume of the oblique groove 4 in the rear part 4B is larger than the volume of the oblique groove 4 in the front part 4F.
- the rear portion 4B having a large volume of the oblique groove 4 is relatively deformed, and the upper surface of the midsole 2 is likely to sink, and therefore, the impact of the landing first strike is easily relaxed.
- the front part 4F where the volume of the oblique groove 4 is small the upper surface of the midsole 2 is unlikely to sink, and the center of gravity is less likely to stay inside the foot arch.
- the oblique groove 4 does not extend to the inner edge of the shoe sole.
- the upper surface of the midsole 2 is unlikely to sink at the arch part M or the middle foot part.
- the oblique groove 4 of the outsole 1 is formed so as to widen toward the rear in the oblique direction. In this case, as described above, it is easy to relax the impact of the first strike, and the center of gravity hardly stays inside the foot arch.
- a transverse groove 5 extending in a direction orthogonal to the oblique groove 4 is further provided.
- Such transverse grooves 5 will sever the outsole 1 on the outside of the foot and will encourage deformation of the outsole 1 and midsole 2 on the outside of the foot.
- the outsole 1 is divided into a front foot portion F and a rear foot portion R without covering the arch portion M between the front foot portion F and the rear foot portion R,
- a reinforcing member 3 made of a resin non-foam is attached to the lower surface of the arch portion M of the midsole 2;
- the reinforcing member 3 has an oblique portion 31 extending substantially parallel to the oblique groove 4, and the oblique portion 31 is disposed in front of the oblique groove 4 and close to the oblique groove 4.
- the position of the virtual intersection point O is disposed in front of the centroid G of the central portion Rc.
- the oblique groove 4 is arranged on or near the subtalar joint axis A1.
- the oblique groove 4 formed in the central portion Rc of the rear foot R of the midsole 2 is defined by a pair of first and second edge lines L1 and L2 facing each other.
- the oblique groove 4 formed in the outsole 1 is defined by a pair of third and fourth edge lines L3 and L4 facing each other,
- the third and fourth edge lines L3, L4 are generally parallel to the first and second edge lines L1, L2, respectively, or the first and second edge lines L1, L2, respectively. It is formed so as to widen at the corner larger than the corner formed by L2.
- the midsole 2 and the oblique groove 4 of the outsole 1 cooperate to enhance the effect of the present invention.
- the oblique groove 4 is formed to extend to the inner portion 20 of the midsole 2 of the arch portion M, and the average value of the cross-sectional areas perpendicular to the center line Lc of the oblique groove 4 of the arch portion M is It is smaller than that of the oblique groove 4 in the center portion Rc of the rear foot portion R of the midsole 2.
- the oblique groove 4 does not extend to the edge of the inner portion 20 of the midsole 2 of the arch portion M, and the front end of the oblique groove 4 is disposed behind the front end of the arch portion M. Yes.
- the cross-sectional area of the oblique groove 4 is small inside the arch part M, or the oblique groove 4 does not extend to the inner edge of the arch part M, and the sinking of the upper surface of the midsole inside the arch part M Is small. Therefore, it is possible to suppress the valgus of the foot and to prevent the center of gravity from staying inside the arch part M.
- the oblique groove 4 of the outsole 1 is formed to expand toward the rear.
- a transverse groove orthogonal to the oblique groove 4 is further provided.
- a reinforcing member 3 formed of a resin non-foam is attached to the lower surface of the arch portion M of the midsole 2;
- the reinforcing member 3 has an oblique portion 31 extending substantially parallel to the oblique groove 4, and the oblique portion 31 is disposed in front of the oblique groove 4 and close to the oblique groove 4.
- the oblique portion 31 extends to the forefoot portion F. In this case, excessive bending of the sole is prevented, and efficient traveling is possible.
- the reinforcing member 3 further includes an outer portion 32 extending along the outer side of the midsole 2 at the arch portion M, The lower surface of the midsole 2 is exposed between the outer portion 32 and the oblique portion 31. In this case, the weight of the reinforcing member 3 can be reduced.
- the present invention includes an outsole 1 having a grounding surface that contacts a road surface, and a midsole 2 disposed on the outsole 1, and includes a front foot part F, an arch part M, and a rear foot part R.
- the outsole 1 is arranged so as not to cover the arch part M and to be divided into the front foot part F and the rear foot part R
- the midsole 2 and the outsole 1 are formed with oblique grooves 4 extending in an oblique front-rear direction to the outer edge of the rear foot R at the rear foot R,
- the angle ⁇ formed by the long axis A2 connecting the midpoint O3 of the main ball O1 and the small ball O5 and the center of the eyelid and the virtual center line Lc of the oblique groove 4 is in the range of 12 ° to 35 °.
- An imaginary intersection O between the center line Lc and the long axis A2 is disposed in a region from the rear half Mb of the arch M to the front half Rf of the rear foot R,
- a reinforcing member 3 made of a resin non-foam is attached to the lower surface of the arch portion M of the midsole 2;
- the reinforcing member 3 has an oblique portion 31 extending substantially parallel to the oblique groove 4, and the oblique portion 31 is disposed in front of the oblique groove 4 and close to the oblique groove 4.
- the oblique portion 31 extends to the forefoot portion F. In this case, excessive bending of the sole is prevented, and efficient traveling is possible.
- the reinforcing member 3 further includes an outer portion 32 extending along the outer side of the midsole 2 at the arch portion M, The lower surface of the midsole 2 is exposed between the outer portion 32 and the oblique portion 31. In this case, the weight of the reinforcing member 3 can be reduced.
- the shoe sole includes an outsole 1 and a midsole 2.
- fine grooves (so-called design) formed on the ground contact surface of the outsole 1 are omitted.
- the outsole 1 is disposed on the front foot portion F and the rear foot portion R.
- the outsole 1 is formed of, for example, a rubber foam or a non-foam, and has a ground contact surface 1s (FIG. 7A) in contact with the road surface.
- the outsole 1 is provided with regularly large halftone dots.
- the midsole 2 is formed of a foam of resin such as EVA, for example, and is disposed on the outsole 1 as shown in FIG. 2 to alleviate the impact of landing. Therefore, the midsole 2 is formed thicker than the outsole 1.
- the lower surface 2u (FIG. 7A) of the midsole 2 is provided with oblique grooves 4 and transverse grooves 5, which will be described later, and the outsole 1 separated into a plurality of parts is provided. It has been. As shown in these drawings, the midsole 2 may be exposed at the central portion Rc and / or the arch portion M of the rear foot R.
- the outsole 1 is arranged so as not to cover the arch part M and to be divided into the front foot part F and the rear foot part R, and the central part Rc is lost in the rear foot part R. It is formed in a U shape. That is, the outsole 1 is not provided on the surface of the midsole 2 at the center portion Rc of the rear foot R.
- the U-shape in which the center portion Rc of the outsole 1 is missing means that the outsole 1 is separated into a plurality of parts at the rear foot R by a plurality of oblique grooves 4 and transverse grooves 5.
- the outsole 1 is not provided in the central portion Rc, and the outsole 1 is divided into the inside and outside by the oblique groove 4 at the front end of the rear foot R.
- the midsole 2 may be slightly recessed in the elliptical region of the central portion Rc.
- the bottom surfaces of the oblique grooves 4 and the transverse grooves 5 are provided with irregular fine halftone dots.
- the oblique groove 4 extends from the inner edge of the inner side IN of the arch part M. It extends in an oblique front-rear direction to the outer edge of the outer side OUT of the rear foot R.
- the depth of the deepest portion in the central portion Rc of the oblique groove 4 is preferably about 5 mm to 10 mm, for example, and the depth of the deepest portion in the outer portion 11 of the oblique groove 4 is, for example, 5 mm to 15 mm.
- the degree is preferred. This is because if the depth is too small, sufficient effects such as weight reduction cannot be obtained, while if the depth is too large, stable foot support cannot be obtained.
- the width of the oblique groove 4 at the central portion Rc is preferably about 5 mm to 15 mm excluding the portion of the transverse groove 5. This is because if the width of the groove is too large, the torsional rigidity is greatly reduced. On the other hand, if the width of the groove is small, effects such as weight reduction cannot be obtained.
- the oblique groove 4 may not extend to the inner edge of the inner side IN at the arch portion M.
- the front end of the oblique groove 4 is arranged behind the front end of the arch part M or the rear foot part R. Also good.
- the angle ⁇ formed by the subtalar joint axis A1 and the long axis A2 is 23 ° ⁇ 11 °.
- the major axis A2 is represented by a straight line connecting a center point O3 between the center of the main ball O1 and the center of the small ball O5 and the center O4 of the eyelid.
- the subtalar joint axis A1 is represented by a straight line connecting the head of the talus O6 and the outer radial joint O7.
- the oblique groove 4 is formed along the subtalar joint axis A1. That is, the angle ⁇ formed by the long axis A2 in FIG. 5 and the imaginary center line Lc of the oblique groove 4 is set in a range of 12 ° to 35 °. For example, in this embodiment, it is set to about 30 °. ing.
- An imaginary intersection O between the center line Lc and the long axis A2 is arranged in a region from the second half of the arch part M to the front half Rf of the rear foot part R. Expressing this as a dimensional ratio, the virtual intersection point O in FIG. 5 is set in a range of 21% to 43% from the rear end with respect to the total length of the sole on the long axis A2.
- the oblique groove 4 extends from the intersection O to the front inner side and the rear outer side.
- the position of the virtual intersection point O is provided at the center portion Rc of the rear foot R and is disposed in front of the centroid G of the center portion Rc.
- the oblique groove 4 is arranged on the subtalar joint axis A1 (FIG. 6).
- the centroid G means the center of the plane figure of the central portion Rc.
- the oblique groove 4 has a front part 4F in front of the intersection point O and a rear part 4B in the rear of the intersection point O.
- the volume Vb of the oblique groove 4 in the rear part 4B is larger than the volume Vf of the oblique groove 4 in the front part 4F.
- the volumes Vb and Vf of the oblique groove 4 are values obtained by integrating the length of the portion of the oblique groove 4 with the cross-sectional area of the oblique groove 4. Therefore, for example, the oblique groove 4 of the arch portion M is shallow, and the average value of the cross-sectional area perpendicular to the center line Lc is as shown in FIGS. 8A to 8C. The average value of the cross-sectional area is smaller than that of the oblique groove 4 in the center portion Rc of the rear foot portion R of the midsole 2.
- the depth of the oblique groove 4 in the arch portion M of FIG. 2 gradually decreases as it extends obliquely forward.
- the cross-sectional area of the oblique groove 4 may be the largest in the central portion Rc of the rear foot portion R of FIG. 7A, and the cross-sectional area of the oblique groove 4 may be slightly smaller behind the rear foot portion R of FIG.
- the oblique groove 4 formed in the central portion Rc of the rear foot R of the midsole 2 is defined by a pair of first and second edge lines L1 and L2 facing each other in parallel.
- the oblique groove 4 formed in the outsole 1 is defined by a pair of third and fourth edge lines L3 and L4 facing each other in parallel.
- the third and fourth edge lines L3 and L4 are substantially parallel to the first and second edge lines L1 and L2, respectively.
- the first and second edge lines L ⁇ b> 1 and L ⁇ b> 2 may be formed wider than the corner formed by the corners. That is, the oblique groove 4 of the outer portion 11 of the outsole 1 may be formed so as to widen toward the rear side.
- the transverse groove 5 in FIG. 5 extends in a direction orthogonal to the oblique groove 4.
- the transverse groove 5 is arranged to be perpendicular to the oblique groove 4.
- the angle formed with the groove 4 may be set to about 70 ° to 90 °.
- the transverse groove 5 separates the outsole 1 into a plurality at the inner part 10 and the outer part 11 of the U-shaped outsole 1. As shown in FIG. 9, the transverse groove 5 may be formed wider as it extends from the inner side IN to the outer side OUT.
- a reinforcing member 3 formed of a non-foamed resin material is attached to the lower surface of the arch portion M of the midsole 2.
- the reinforcing member 3 has an oblique portion 31 extending substantially parallel to the oblique groove 4, and the oblique portion 31 is disposed in front of the oblique groove 4 and close to the oblique groove 4.
- the oblique portion 31 may extend from the arch portion M to at least the rear end of the front foot portion F.
- the reinforcing member 3 further includes an outer portion 32 extending along the outer side of the midsole 2 at the arch portion M. An exposed portion 22 that is the lower surface of the midsole 2 is exposed between the outer portion 32 and the oblique portion 31.
- a connecting part 33 for connecting both 31 and 32 is provided between the oblique part 31 and the outer part 32. That is, the exposed portion 22 of the midsole 2 is exposed in a region surrounded by the oblique portion 31, the outer portion 32, and the connecting portion 33.
- the oblique portion 31 only needs to be disposed along the oblique groove 4 above the oblique groove 4. Therefore, the oblique portion 31 also exists in the reinforcing member 3 covering almost the entire area of the arch portion M as shown in FIG. 9. To do.
- the outsole 1 may be provided over substantially the entire length from the front foot portion F to the rear foot portion R and over the entire region.
- the midsole 2 may not be exposed at the arch part M or the rear foot part R.
- the reinforcing member 3 and the transverse groove 5 may not be provided. Accordingly, such changes and modifications are to be construed as within the scope of the present invention as defined by the claims.
- the present invention can be used for various athletic shoes such as running.
- Outsole 1s Grounding surface 10: Inner part 11: Outer part 2: Mid sole 2u: Lower surface 20: Inner part 22: Exposed part 3: Reinforcing member 31: Oblique part 32: Outer part 33: Connecting part 4: Oblique Groove 4F: Front part 4B: Rear part 5: Transverse groove A1: Subtalar joint axis A2: Long axis Lc: Center line L1-L4: First to fourth lines F: Forefoot R: Rear foot part Rc: Center part Rf: Front half part M: Arch part Mb: Second half part O: Intersection point O1: Ryukyu ball O2: Ryukyu ball IN: Inside OUT: Outside ⁇ , ⁇ : Corner
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- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
Description
しかし、斜溝を靴底に形成するだけでは前記機能を十分に発揮し得ない。 As is well known, a shoe sole is light in weight, can suppress the valgus of the heel, and is required to have a function to reduce the impact of the heel.
However, the above function cannot be sufficiently exhibited only by forming the oblique grooves on the shoe sole.
前記靴底の後足部Rの中央部および外側部には、前記後足部Rにおいて前記後足部Rの外側の外縁まで斜めの前後方向に延びる斜溝4が形成されており、
母趾球O1と小趾球O5との中点O3と踵の中心O4とを結んだ長軸A2と前記斜溝4の仮想の中心ラインLcとのなす角βが12°~35°の範囲に設定され、
前記中心ラインLcと前記長軸A2との仮想の交点Oが靴底の前記長軸A2上の全長に対し後端から21%~43%の範囲に設定され、前記交点Oよりも前方の内側まで延びている。 In one aspect, the present invention provides a shoe sole including an
In the center part and the outer part of the rear foot part R of the shoe sole,
The angle β formed by the long axis A2 connecting the midpoint O3 of the main ball O1 and the small ball O5 and the center O4 of the eyelid and the virtual center line Lc of the
An imaginary intersection point O between the center line Lc and the long axis A2 is set within a range of 21% to 43% from the rear end with respect to the total length of the shoe sole on the long axis A2, and the inner side in front of the intersection point O It extends to.
前記アウトソール1は、前記アーチ部Mを覆わず前記前足部Fおよび後足部Rに分かれて配置され、かつ、前記後足部Rにおいて足の内側INおよび外側OUTの中央部Rcが欠損したU字状に形成され、
前記ミッドソール2は前記後足部Rの前記中央部Rcおよび前記アーチ部Mにおいて露出しており、
前記ミッドソール2の後足部Rの前記中央部Rcおよびアウトソール1の後足部Rの外側部11には、前記後足部Rにおいて前記後足部Rの外側OUTの外縁まで斜めの前後方向に延びる斜溝4が形成されており、
母趾球O1と小趾球O2との中点O3と踵の中心O5とを結んだ長軸A2と前記斜溝4の仮想の中心ラインLcとのなす角βが12°~35°の範囲に設定され、
前記中心ラインLcと前記長軸A2との仮想の交点Oが前記アーチ部Mの後半部Mbから前記後足部Rの前半部Rfまでの領域に配置されている。 In another aspect, the present invention includes an
The
The
The central portion Rc of the rear foot portion R of the
The angle β formed by the long axis A2 connecting the center point O3 of the main ball O1 and the small ball O2 and the center O5 of the eyelid and the virtual center line Lc of the
An imaginary intersection O between the center line Lc and the long axis A2 is disposed in a region from the rear half Mb of the arch M to the front half Rf of the rear foot R.
また、アウトソール1の欠損した中央部Rcおよびアーチ部Mに加え、距骨下関節軸A1に沿った斜溝4により、ソールの軽量化が図られる。 Further, the shock buffering property is improved due to the large deformation on the outer side of the rear foot.
Further, in addition to the missing central portion Rc and arch portion M of the
前記後方部4Bの斜溝4の容積が前記前方部4Fの斜溝4の容積よりも大きい。 Preferably, the
The volume of the
この場合、ミッドソール2はアーチ部Mないし中足部において上面が沈みにくいだろう。 Preferably, the
In this case, the upper surface of the
この場合、前述と同様にファーストストライクの衝撃を緩衡し易く、かつ、足のアーチの内側で重心が滞留しにくい。 Preferably, the
In this case, as described above, it is easy to relax the impact of the first strike, and the center of gravity hardly stays inside the foot arch.
かかる横断溝5はアウトソール1を足の外側において分断し、足の外側におけるアウトソール1やミッドソール2の変形を促すだろう。 Preferably, a
Such
前記ミッドソール2のアーチ部Mの下面には樹脂の非発泡体で形成された強化部材3が付着されており、
前記強化部材3は前記斜溝4と概ね平行に延びる斜め部31を有し、この斜め部31は前記斜溝4の前方において前記斜溝4に接近して配置されている。 Preferably, the
A reinforcing
The reinforcing
かかる配置により、斜溝4が距骨下関節軸A1上またはその近傍に配置される。 Preferably, the position of the virtual intersection point O is disposed in front of the centroid G of the central portion Rc.
With this arrangement, the
前記アウトソール1に形成された斜溝4は、一対の互いに対面する第3および第4の縁のラインL3,L4で定義され、
前記第3および第4の縁のラインL3,L4が、それぞれ、前記第1および第2の縁のラインL1,L2に概ね平行であるか、あるいは、第1および第2の縁のラインL1,L2が形成する角よりも大きな角で末広がりに形成されている。 Preferably, the
The
The third and fourth edge lines L3, L4 are generally parallel to the first and second edge lines L1, L2, respectively, or the first and second edge lines L1, L2, respectively. It is formed so as to widen at the corner larger than the corner formed by L2.
前記強化部材3は前記斜溝4と概ね平行に延びる斜め部31を有し、この斜め部31は前記斜溝4の前方において前記斜溝4に接近して配置されている。 Preferably, a reinforcing
The reinforcing
この場合、過度なソールの屈曲を防ぎ、効率的な走行が可能となる。 Preferably, the
In this case, excessive bending of the sole is prevented, and efficient traveling is possible.
前記外側部32と前記斜め部31との間において前記ミッドソール2の下面が露出する。
この場合、強化部材3の軽量化を図り得る。 Preferably, the reinforcing
The lower surface of the
In this case, the weight of the reinforcing
前記アウトソール1は、前記アーチ部Mを覆わず前記前足部Fおよび後足部Rに分かれて配置され、
前記ミッドソール2およびアウトソール1には、前記後足部Rにおいて前記後足部Rの外側の外縁まで斜めの前後方向に延びる斜溝4が形成されており、
母趾球O1と小趾球O5との中点O3と踵の中心とを結んだ長軸A2と前記斜溝4の仮想の中心ラインLcとのなす角βが12°~35°の範囲に設定され、
前記中心ラインLcと前記長軸A2との仮想の交点Oが前記アーチ部Mの後半部Mbから前記後足部Rの前半部Rfまでの領域に配置され、
前記ミッドソール2のアーチ部Mの下面には樹脂の非発泡体で形成された強化部材3が付着されており、
前記強化部材3は前記斜溝4と概ね平行に延びる斜め部31を有し、この斜め部31は前記斜溝4の前方において前記斜溝4に接近して配置されている。 In one aspect, the present invention includes an
The
The
The angle β formed by the long axis A2 connecting the midpoint O3 of the main ball O1 and the small ball O5 and the center of the eyelid and the virtual center line Lc of the
An imaginary intersection O between the center line Lc and the long axis A2 is disposed in a region from the rear half Mb of the arch M to the front half Rf of the rear foot R,
A reinforcing
The reinforcing
この場合、過度なソールの屈曲を防ぎ、効率的な走行が可能となる。 Preferably, the
In this case, excessive bending of the sole is prevented, and efficient traveling is possible.
前記外側部32と前記斜め部31との間において前記ミッドソール2の下面が露出する。
この場合、強化部材3の軽量化が図られる。 Preferably, the reinforcing
The lower surface of the
In this case, the weight of the reinforcing
図1および図2に示すように、靴底はアウトソール1およびミッドソール2を備えている。なお、図1~図5においてはアウトソール1の接地面に形成された微細な溝(いわゆる意匠)は、省略されている。 Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
As shown in FIGS. 1 and 2, the shoe sole includes an
なお、中央部Rcのだ円形状の領域においてミッドソール2は若干、凹んでいてもよい。 Here, “the U-shape in which the center portion Rc of the
Note that the
ミッドソール2のアーチ部Mの内側部20、前記ミッドソール2の後足部Rの中央部Rcおよびアウトソール1の外側部11において、斜溝4は前記アーチ部Mの内側INの内縁から前記後足部Rの外側OUTの外縁まで斜めの前後方向に延びる。 In FIG. 1 to FIG. 3, the bottom surfaces of the
In the
一方、前記距骨下関節軸A1は距骨頭O6と踵骨外側結節O7とを結んだ直線で表される。 In FIG. 6, it is said that the angle α formed by the subtalar joint axis A1 and the long axis A2 is 23 ° ± 11 °. Here, the major axis A2 is represented by a straight line connecting a center point O3 between the center of the main ball O1 and the center of the small ball O5 and the center O4 of the eyelid.
On the other hand, the subtalar joint axis A1 is represented by a straight line connecting the head of the talus O6 and the outer radial joint O7.
たとえば、アウトソール1は前足部Fから後足部Rまでの概ね全長にわたって、かつ、全域に設けられていてもよい。更に、アーチ部Mや後足部Rにおいてミッドソール2は露出していなくてもよい。強化部材3や横断溝5は設けなくてもよい。
したがって、そのような変更および修正は、請求の範囲から定まる本発明の範囲内のものと解釈される。 As described above, the preferred embodiments have been described with reference to the drawings. However, those skilled in the art will readily understand various changes and modifications within the obvious scope by looking at the present specification.
For example, the
Accordingly, such changes and modifications are to be construed as within the scope of the present invention as defined by the claims.
2:ミッドソール 2u:下面 20:内側部 22:露出部
3:強化部材 31:斜め部 32:外側部 33:連結部
4:斜溝 4F:前方部 4B:後方部
5:横断溝
A1:距骨下関節軸 A2:長軸
Lc:中心ライン L1~L4:第1~第4ライン
F:前足部
R:後足部 Rc:中央部 Rf:前半部
M:アーチ部 Mb:後半部
O:交点
O1:母趾球 O2:小趾球
IN:内側 OUT:外側
α,β:角
1:
5: Transverse groove A1: Subtalar joint axis A2: Long axis Lc: Center line L1-L4: First to fourth lines F: Forefoot
R: Rear foot part Rc: Center part Rf: Front half part M: Arch part Mb: Second half part O: Intersection point O1: Ryukyu ball O2: Ryukyu ball IN: Inside OUT: Outside α, β: Corner
Claims (19)
- 路面に接地する接地面を持つアウトソール1と、前記アウトソール1の上に配置されたミッドソール2とを備えた靴底において、
前記靴底の後足部Rの中央部および外側部には、前記後足部Rにおいて前記後足部Rの外側の外縁まで斜めの前後方向に延びる斜溝4が形成されており、
母趾球O1と小趾球O5との中点O3と踵の中心O4とを結んだ長軸A2と前記斜溝4の仮想の中心ラインLcとのなす角βが12°~35°の範囲に設定され、
前記中心ラインLcと前記長軸A2との仮想の交点Oが靴底の前記長軸A2上の全長に対し後端から21%~43%の範囲に設定され、前記交点Oよりも前方の内側まで延びている。 In a shoe sole comprising an outsole 1 having a ground contact surface that contacts the road surface, and a midsole 2 disposed on the outsole 1,
In the center part and the outer part of the rear foot part R of the shoe sole, oblique grooves 4 extending in the front-rear direction to the outer edge of the rear foot part R in the rear foot part R are formed,
The angle β formed by the long axis A2 connecting the midpoint O3 of the main ball O1 and the small ball O5 and the center O4 of the eyelid and the virtual center line Lc of the oblique groove 4 is in the range of 12 ° to 35 °. Set to
An imaginary intersection point O between the center line Lc and the long axis A2 is set within a range of 21% to 43% from the rear end with respect to the total length of the shoe sole on the long axis A2, and the inner side in front of the intersection point O It extends to. - 請求項1の靴底において、前記斜溝4は前記交点Oよりも前方の前方部4Fと、前記交点Oよりも後方の後方部4Bと有し、
前記後方部4Bの斜溝4の容積が前記前方部4Fの斜溝4の容積よりも大きい。 The shoe sole according to claim 1, wherein the oblique groove 4 has a front part 4F in front of the intersection O and a rear part 4B in the rear of the intersection O,
The volume of the oblique groove 4 in the rear part 4B is larger than the volume of the oblique groove 4 in the front part 4F. - 請求項1もしくは2の靴底において、前記斜溝4は靴底の内側の縁まで延びていない。 In the sole according to claim 1 or 2, the oblique groove 4 does not extend to the inner edge of the sole.
- 請求項1、2もしくは3の靴底において、前記アウトソール1の斜溝4は斜後方に向かって末広がりに形成されている。 4. The sole according to claim 1, 2, or 3, wherein the oblique groove 4 of the outsole 1 is formed so as to widen toward the rear obliquely.
- 請求項1~4のいずれか1項の靴底において、前記斜溝4に対し直交する方向に延びる横断溝5を更に備える。 The shoe sole according to any one of claims 1 to 4, further comprising a transverse groove 5 extending in a direction orthogonal to the oblique groove 4.
- 請求項1~5のいずれか1項の靴底において、
前記アウトソール1は、前足部Fと前記後足部Rとの間のアーチ部Mを覆わず前記前足部Fおよび前記後足部Rに分かれて配置され、
前記ミッドソール2のアーチ部Mの下面には樹脂の非発泡体で形成された強化部材3が付着されており、
前記強化部材3は前記斜溝4と概ね平行に延びる斜め部31を有し、この斜め部31は前記斜溝4の前方において前記斜溝4に接近して配置されている。 The shoe sole according to any one of claims 1 to 5,
The outsole 1 is arranged so as to be divided into the front foot portion F and the rear foot portion R without covering the arch portion M between the front foot portion F and the rear foot portion R,
A reinforcing member 3 made of a resin non-foam is attached to the lower surface of the arch portion M of the midsole 2;
The reinforcing member 3 has an oblique portion 31 extending substantially parallel to the oblique groove 4, and the oblique portion 31 is disposed in front of the oblique groove 4 and close to the oblique groove 4. - 路面に接地する接地面を持つアウトソール1と、前記アウトソール1の上に配置されたミッドソール2とを備え、前足部F、アーチ部Mおよび後足部Rにおいて足を支持する靴底において、
前記アウトソール1は、前記アーチ部Mを覆わず前記前足部Fおよび後足部Rに分かれて配置され、かつ、前記後足部Rにおいて足の内側INおよび外側OUTの中央部Rcが欠損したU字状に形成され、
前記ミッドソール2は前記後足部Rの前記中央部Rcおよび前記アーチ部Mにおいて露出しており、
前記ミッドソール2の後足部Rの前記中央部Rcおよびアウトソール1の後足部Rの外側部11には、前記後足部Rにおいて前記後足部Rの外側OUTの外縁まで斜めの前後方向に延びる斜溝4が形成されており、
母趾球O1と小趾球O2との中点O3と踵の中心O5とを結んだ長軸A2と前記斜溝4の仮想の中心ラインLcとのなす角βが12°~35°の範囲に設定され、
前記中心ラインLcと前記長軸A2との仮想の交点Oが前記アーチ部Mの後半部Mbから前記後足部Rの前半部Rfまでの領域に配置されている。 A shoe sole that includes an outsole 1 having a ground contact surface that contacts a road surface and a midsole 2 disposed on the outsole 1 and supports a foot at a front foot part F, an arch part M, and a rear foot part R. ,
The outsole 1 is arranged so as not to cover the arch part M and to be divided into the front foot part F and the rear foot part R, and in the rear foot part R, the central part Rc of the inner side IN and the outer side OUT of the foot is lost. Formed in a U-shape,
The midsole 2 is exposed at the central portion Rc and the arch portion M of the rear foot R,
The central portion Rc of the rear foot portion R of the midsole 2 and the outer portion 11 of the rear foot portion R of the outsole 1 are slanted back and forth to the outer edge of the outer side OUT of the rear foot portion R at the rear foot portion R. Oblique grooves 4 extending in the direction are formed,
The angle β formed by the long axis A2 connecting the midpoint O3 of the main ball O1 and the small ball O2 and the center O5 of the eyelid and the virtual center line Lc of the oblique groove 4 is in the range of 12 ° to 35 °. Set to
A virtual intersection point O between the center line Lc and the long axis A2 is disposed in a region from the rear half Mb of the arch part M to the front half Rf of the rear foot R. - 請求項7の靴において、前記仮想の交点Oの位置が前記中央部Rcの図心Gよりも前方に配置されている。 In the shoe according to claim 7, the position of the virtual intersection point O is arranged in front of the centroid G of the central portion Rc.
- 請求項8の靴において、前記ミッドソール2の後足部Rの中央部Rcに形成された前記斜溝4は一対の互いに対面する第1および第2の縁のラインL1,L2で定義され、
前記アウトソール1に形成された前記斜溝4は、一対の互いに対面する第3および第4の縁のラインL3,L4で定義され、
前記第3および第4の縁のラインL3,L4が、それぞれ、前記第1および第2の縁のラインL1,L2に概ね平行であるか、あるいは、前記第1および第2の縁のラインL1,L2が形成する角よりも大きな角で末広がりに形成されている。 The shoe according to claim 8, wherein the oblique groove 4 formed in the central portion Rc of the rear foot portion R of the midsole 2 is defined by a pair of first and second edge lines L1 and L2 facing each other.
The oblique groove 4 formed in the outsole 1 is defined by a pair of third and fourth edge lines L3 and L4 facing each other,
The third and fourth edge lines L3 and L4 are generally parallel to the first and second edge lines L1 and L2, respectively, or the first and second edge lines L1. , L <b> 2 is formed with a larger angle than the angle formed by L <b> 2. - 請求項7~9のいずれか1項の靴底において、前記斜溝4は前記アーチ部Mのミッドソール2の内側部20にまで延びて形成され、前記アーチ部Mの斜溝4の前記中心ラインLcに直交する横断面積の平均値は前記ミッドソール2の後足部Rの中央部Rcの斜溝4のそれよりも小さい。 The shoe sole according to any one of claims 7 to 9, wherein the oblique groove 4 is formed to extend to an inner side portion 20 of the midsole 2 of the arch portion M, and the center of the oblique groove 4 of the arch portion M is formed. The average value of the cross-sectional area perpendicular to the line Lc is smaller than that of the oblique groove 4 in the center portion Rc of the rear foot R of the midsole 2.
- 請求項7~9のいずれか1項の靴底において、前記斜溝4は前記アーチ部Mのミッドソール2の内側部20の縁まで延びておらず、かつ、前記アーチ部Mの前端よりも後方に前記斜溝4の先端が配置されている。 The shoe sole according to any one of claims 7 to 9, wherein the oblique groove 4 does not extend to an edge of the inner portion 20 of the midsole 2 of the arch portion M, and more than a front end of the arch portion M. The tip of the oblique groove 4 is disposed rearward.
- 請求項7~11のいずれか1項の靴底において、前記アウトソール1の前記斜溝4は斜後方に向かって末広がりに形成されている。 The shoe sole according to any one of claims 7 to 11, wherein the oblique groove 4 of the outsole 1 is formed so as to expand toward the rear obliquely.
- 請求項7~12のいずれかの1項の靴底において、前記斜溝4に対し、直交する横断溝を更に備える。 The shoe sole according to any one of claims 7 to 12, further comprising a transverse groove orthogonal to the oblique groove 4.
- 請求項7~13のいずれか1項の靴底において、前記ミッドソール2のアーチ部Mの下面には樹脂の非発泡体で形成された強化部材3が付着されており、
前記強化部材3は前記斜溝4と概ね平行に延びる斜め部31を有し、この斜め部31は前記斜溝4の前方において前記斜溝4に接近して配置されている。 The shoe sole according to any one of claims 7 to 13, wherein a reinforcing member 3 made of a non-foamed resin is attached to the lower surface of the arch portion M of the midsole 2,
The reinforcing member 3 has an oblique portion 31 extending substantially parallel to the oblique groove 4, and the oblique portion 31 is disposed in front of the oblique groove 4 and close to the oblique groove 4. - 請求項14の靴底において、前記斜め部31は前記前足部Fまで延びている。 The shoe sole according to claim 14, wherein the oblique portion 31 extends to the forefoot portion F.
- 請求項15の靴底において、前記強化部材3は前記アーチ部Mにおいて前記ミッドソール2の外側の縁に沿って延びる外側部32を更に備え、
前記外側部32と前記斜め部31との間において前記ミッドソール2の下面が露出する。 The sole according to claim 15, wherein the reinforcing member 3 further includes an outer portion 32 extending along an outer edge of the midsole 2 in the arch portion M,
The lower surface of the midsole 2 is exposed between the outer portion 32 and the oblique portion 31. - 路面に接地する接地面を持つアウトソール1と、前記アウトソール1の上に配置されたミッドソール2とを備え、前足部F、アーチ部Mおよび後足部Rにおいて足を支持する靴底において、
前記アウトソール1は、前記アーチ部Mを覆わず前記前足部Fおよび前記後足部Rに分かれて配置され、
前記ミッドソール2および前記アウトソール1には、前記後足部Rにおいて前記後足部Rの外側の外縁まで斜めの前後方向に延びる斜溝4が形成されており、
母趾球O1と小趾球O5との中点O3と踵の中心とを結んだ長軸A2と前記斜溝4の仮想の中心ラインLcとのなす角βが12°~35°の範囲に設定され、
前記中心ラインLcと前記長軸A2との仮想の交点Oが前記アーチ部Mの後半部Mbから前記後足部Rの前半部Rfまでの領域に配置され、
前記ミッドソール2のアーチ部Mの下面には樹脂の非発泡体で形成された強化部材3が付着されており、
前記強化部材3は前記斜溝4と概ね平行に延びる斜め部31を有し、この斜め部31は前記斜溝4の前方において前記斜溝4に接近して配置されている。 In a shoe sole that includes an outsole 1 having a ground contact surface that contacts a road surface and a midsole 2 disposed on the outsole 1 and supports a foot at a front foot part F, an arch part M, and a rear foot part R ,
The outsole 1 is arranged so as not to cover the arch part M and to be divided into the front foot part F and the rear foot part R,
The midsole 2 and the outsole 1 are formed with oblique grooves 4 extending obliquely in the front-rear direction to the outer edge of the rear foot R at the rear foot R,
The angle β formed by the long axis A2 connecting the midpoint O3 of the main ball O1 and the small ball O5 and the center of the eyelid and the virtual center line Lc of the oblique groove 4 is in the range of 12 ° to 35 °. Set,
An imaginary intersection O between the center line Lc and the long axis A2 is disposed in a region from the rear half Mb of the arch M to the front half Rf of the rear foot R,
A reinforcing member 3 made of a resin non-foam is attached to the lower surface of the arch portion M of the midsole 2;
The reinforcing member 3 has an oblique portion 31 extending substantially parallel to the oblique groove 4, and the oblique portion 31 is disposed in front of the oblique groove 4 and close to the oblique groove 4. - 請求項17において、前記斜め部31は前記前足部Fまで延びている。 In claim 17, the oblique portion 31 extends to the forefoot portion F.
- 請求項18において、前記強化部材3は前記アーチ部Mにおいて前記ミッドソール2の外側に沿って延びる外側部32を更に備え、
前記外側部32と前記斜め部31との間において前記ミッドソール2の下面が露出する。
The reinforcement member 3 according to claim 18, further comprising an outer portion 32 extending along the outer side of the midsole 2 in the arch portion M,
The lower surface of the midsole 2 is exposed between the outer portion 32 and the oblique portion 31.
Priority Applications (4)
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US14/399,153 US20150135558A1 (en) | 2012-05-10 | 2012-05-10 | Shoe Sole Having Diagonal Groove |
EP12876174.9A EP2848142B1 (en) | 2012-05-10 | 2012-05-10 | Shoe soles having inclined grooves |
PCT/JP2012/062010 WO2013168259A1 (en) | 2012-05-10 | 2012-05-10 | Shoe soles having inclined grooves |
JP2012549196A JP5190565B1 (en) | 2012-05-10 | 2012-05-10 | Shoe sole with slant groove |
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PCT/JP2012/062010 WO2013168259A1 (en) | 2012-05-10 | 2012-05-10 | Shoe soles having inclined grooves |
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EP (1) | EP2848142B1 (en) |
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- 2012-05-10 WO PCT/JP2012/062010 patent/WO2013168259A1/en active Application Filing
- 2012-05-10 JP JP2012549196A patent/JP5190565B1/en active Active
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- 2012-05-10 US US14/399,153 patent/US20150135558A1/en not_active Abandoned
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Cited By (8)
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JP5690454B1 (en) * | 2014-04-11 | 2015-03-25 | 株式会社アシックス | Shoe sole |
WO2015155897A1 (en) * | 2014-04-11 | 2015-10-15 | 株式会社アシックス | Shoe sole |
EP3114957A4 (en) * | 2014-04-11 | 2017-12-13 | ASICS Corporation | Shoe sole |
US10548369B2 (en) | 2014-04-11 | 2020-02-04 | Asics Corporation | Shoe sole |
WO2016208061A1 (en) * | 2015-06-26 | 2016-12-29 | 株式会社アシックス | Shoe having sole having divided forefoot section |
WO2016208062A1 (en) * | 2015-06-26 | 2016-12-29 | 株式会社アシックス | Shoe having sole having divided hind foot section |
JPWO2016208061A1 (en) * | 2015-06-26 | 2018-02-01 | 株式会社アシックス | A shoe having a sole with a forefoot divided |
JPWO2016208062A1 (en) * | 2015-06-26 | 2018-02-08 | 株式会社アシックス | A shoe having a shoe sole in which a rear foot portion is divided |
Also Published As
Publication number | Publication date |
---|---|
EP2848142A4 (en) | 2016-03-30 |
JP5190565B1 (en) | 2013-04-24 |
JPWO2013168259A1 (en) | 2015-12-24 |
US20150135558A1 (en) | 2015-05-21 |
EP2848142A1 (en) | 2015-03-18 |
EP2848142B1 (en) | 2017-09-13 |
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