JP2008000244A - Shoe sole, footwear, and pad - Google Patents

Shoe sole, footwear, and pad Download PDF

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JP2008000244A
JP2008000244A JP2006170989A JP2006170989A JP2008000244A JP 2008000244 A JP2008000244 A JP 2008000244A JP 2006170989 A JP2006170989 A JP 2006170989A JP 2006170989 A JP2006170989 A JP 2006170989A JP 2008000244 A JP2008000244 A JP 2008000244A
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shoe sole
pad
stepped
back portion
walking
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JP2006170989A
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JP5013761B2 (en
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Takashi Murai
▲隆▼ 村井
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Murai Co Ltd
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Murai Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To secure smooth walking for a person with degenerative disorder, e.g. hallux valgus or rheumatoid arthritis, by reducing the dorsiflexion angle of metatarsophalangeal joints Fa of a foot F to reduce pain with walking. <P>SOLUTION: A toe dorsiflexion portion 13 is formed into a downward projection shape across the transverse direction of a shoe sole, a portion 15 on the toe side from the toe dorsiflexion portion 13 is formed so as to have a thickness gradually reduced along the toe direction of the shoe sole, and the dorsiflexion portion 13 undergoes slip prevention processing. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、例えば婦人用パンプス靴、紳士靴等の履物、履物に用いられる靴底、及び既製の履物における靴底に後付け可能なパッドに関する。   The present invention relates to footwear such as women's pump shoes and men's shoes, a shoe sole used for footwear, and a pad that can be retrofitted to the shoe sole of ready-made footwear.

例えば婦人用パンプス靴、紳士靴等の履物には、靴底が用いられており（特許文献１から特許文献３参照）、この靴底は、全体に亘って略同じ厚さになっている。また、一般に、スムーズな歩行を確保するためには、靴底の踏み返し部分の屈曲性を高めることが必要である。
特開２００２−２８２０１２号公報 特開２００５−１１１０７２号公報 特開２００３−２１０２０７号公報 For example, shoe soles are used for footwear such as women's pump shoes and men's shoes (see Patent Document 1 to Patent Document 3), and these shoe soles have substantially the same thickness throughout. In general, in order to ensure smooth walking, it is necessary to increase the flexibility of the stepped-back portion of the shoe sole.
JP 2002-282012 A JP 2005-111072 A JP 2003-210207 A

しかしながら、外反母趾、関節リウマチ等の変形疾患を有する人にとっては、靴底の踏み返し部分の屈曲性を高めると、中足趾節関節の背屈角度が大きくなって、歩行に伴う疼痛が増大するという問題がある。   However, for people with deformed diseases such as hallux valgus and rheumatoid arthritis, increasing the flexibility of the stepped-back portion of the sole increases the dorsiflexion angle of the metatarsal joint and increases pain associated with walking There is a problem.

そこで、本発明は、前述の問題を解決するため、踏み返し部分の剛性を高めつつ、転がり性及び歩行運動エネルギー効率を高めることができる新規な構成の靴底、新規な構成の靴底を具備した履物、及び新規な構成の靴底と主要部を共通にする新規な構成のパッドを提供することを目的とする。   Therefore, in order to solve the above-mentioned problem, the present invention includes a novelly constructed sole and a novelly configured sole that can increase the rolling property and the walking kinetic energy efficiency while increasing the rigidity of the stepping portion. It is an object of the present invention to provide a pad having a new configuration in which the main part is shared with a shoe sole having a new configuration and a shoe sole having a new configuration.

本発明の第１の特徴（請求項１に記載の発明の特徴）は、踏み返し部分が靴底横方向に亘って下向きに凸状に形成され、前記踏み返し部分よりも爪先側の部分が靴底母趾方向に沿って徐々に薄くなるように形成されたことである。   The first feature of the present invention (feature of the invention described in claim 1) is that the stepped-back portion is formed in a convex shape downward in the lateral direction of the shoe sole, and the portion closer to the toe side than the stepped-back portion is formed. It is formed so that it may become thin gradually along the direction of the sole of the shoe sole.

第１の特徴によると、前記靴底の前記踏み返し部分が靴底横方向に亘って下向きに凸状に形成されているため、前記靴底の前記踏み返し部分の剛性を高めつつ、トゥスプリングを設定して、前記靴底の転がり性を高めることができる。   According to the first feature, since the stepped-back portion of the shoe sole is formed in a convex shape downward in the lateral direction of the shoe sole, the toe spring increases the rigidity of the stepped-back portion of the shoe sole. To improve the rolling property of the shoe sole.

また、前記靴底における前記踏み返し部分よりも爪先側の部分が靴底母趾方向に沿って徐々に薄くなるように形成されているため、歩行サイクル中の立脚期における足の荷重中心点軌跡は、踵部から足外側部上を足裏縦方向に延び、続いて足外側部から母趾部の先端に向かって延びるようになる。これにより、歩行サイクル中の立脚期における荷重中心点軌跡の軌跡長を短くして、歩行運動エネルギー効率を高めることができる。   Further, since the portion of the shoe sole that is closer to the toe side than the stepped-back portion is formed so as to be gradually thinner along the shoe sole vertical direction, the foot load center point locus in the stance phase during the walking cycle Extends from the heel to the longitudinal direction on the outer side of the foot, and then extends from the outer side of the foot toward the tip of the heel. Thereby, the locus | trajectory length of the load center point locus | trajectory in the stance phase in a walk cycle can be shortened, and walk kinetic energy efficiency can be improved.

本発明の第２の特徴（請求項２に記載の発明の特徴）は、第１の特徴に加えて、前記踏み返し部分に滑り止め処理が施されていることである。   A second feature of the present invention (a feature of the invention described in claim 2) is that, in addition to the first feature, a slip prevention process is applied to the stepped-back portion.

第２の特徴によると、前記靴底の前記踏み返し部分に滑り止め処理が施されているため、前記踏み返し部分と地面との滑りを抑えることができる。   According to the 2nd characteristic, since the slip prevention process is performed to the stepped-back part of the shoe sole, the slipping between the stepped-back part and the ground can be suppressed.

本発明の第３の特徴（請求項３に記載の発明の特徴）は、履物において、第１の手段又は第２の手段からなる靴底を具備したことである。   A third feature of the present invention (feature of the invention described in claim 3) is that the footwear is provided with a shoe sole comprising the first means or the second means.

本発明の第４の特徴（請求項４に記載の発明の特徴）は、既製の履物における靴底に後付け可能なパッドにおいて、前記踏み返し部分がパッド横方向に亘って下向きに凸状に形成され、前記踏み返し部分よりも爪先側の部分がパッド母趾方向に沿って徐々に薄くなるように形成されたことである。   A fourth feature of the present invention (a feature of the invention described in claim 4) is that, in a pad that can be retrofitted to a shoe sole in ready-made footwear, the stepped-back portion is formed in a convex shape downward in the lateral direction of the pad. In other words, the portion closer to the toe than the stepped-back portion is formed so as to be gradually thinner along the pad buckle direction.

第４の特徴によると、前記パッドの前記踏み返し部分がパッド横方向に亘って下向きに凸状に形成されているため、前記パッドの前記踏み返し部分の剛性を高めつつ、トゥスプリングを設定して、前記パッドの転がり性、換言すれば、前記靴底の転がり性を高めることができる。   According to a fourth feature, since the stepped-back portion of the pad is formed in a convex shape downward in the lateral direction of the pad, the toe spring is set while increasing the rigidity of the stepped-up portion of the pad. Thus, the rolling property of the pad, in other words, the rolling property of the shoe sole can be enhanced.

また、前記パッドにおける前記踏み返し部分よりも爪先側の部分がパッド母趾方向に沿って徐々に薄くなるように形成されているため、歩行サイクル中の立脚期における足の荷重中心点軌跡は、踵部から足外側部上を足裏縦方向に延び、続いて足外側部から母趾部の先端に向かって延びるようになる。これにより、歩行サイクル中の立脚期における荷重中心点軌跡を短して、歩行運動エネルギー効率を高めることができる。   In addition, since the part on the toe side of the pad in the pad is formed so as to be gradually thinner along the pad toe direction, the load center point locus of the foot in the stance phase during the walking cycle is It extends in the sole vertical direction on the outer side of the foot from the heel, and then extends from the outer side of the foot toward the tip of the heel. Thereby, the load center point locus | trajectory in the stance phase in a walk cycle can be shortened, and walk kinetic energy efficiency can be improved.

本発明の第５の特徴（請求項５に記載の発明の特徴）は、第４の特徴に加えて、前記踏み返し部分に滑り止め処理が施されていることである。   A fifth feature of the present invention (a feature of the invention described in claim 5) is that, in addition to the fourth feature, an anti-slip treatment is applied to the stepped-back portion.

第５の特徴によると、前記パッドの前記踏み返し部分に滑り止め処理が施されているため、前記パッドの前記踏み返し部分と地面との滑りを抑えることができる。   According to the fifth feature, since the anti-slip treatment is applied to the stepped-back portion of the pad, it is possible to suppress slippage between the stepped-back portion of the pad and the ground.

請求項１から請求項３のうちのいずれかの請求項に記載の発明によれば、前記靴底の前記踏み返し部分の剛性を高めつつ、前記靴底の転がり性及び歩行運動エネルギー効率を高めることができるため、外反母趾、関節リウマチ等の変形疾患を有する人であっても、足の中足趾節関節の背屈角度を小さくして、歩行に伴う疼痛を低減しつつ、スムーズな歩行を確保することができる。   According to the invention according to any one of claims 1 to 3, the rolling property of the shoe sole and the walking kinetic energy efficiency are improved while increasing the rigidity of the stepped-back portion of the shoe sole. Therefore, even for people with deformed diseases such as hallux valgus and rheumatoid arthritis, the dorsiflexion angle of the metatarsal joint of the foot is reduced, reducing the pain associated with walking and smooth walking. Can be secured.

請求項２又は請求項３に記載の発明によれば、前記靴底の前記踏み返し部分と地面との滑りを抑えることができるため、歩行推進力の伝達効率を高めて、よりスムーズな歩行を十分に確保することができる。   According to the invention described in claim 2 or claim 3, since it is possible to suppress slipping between the stepped-back portion of the shoe sole and the ground, the transmission efficiency of the walking propulsive force is increased, and smoother walking is achieved. It can be secured sufficiently.

請求項４又は請求項５に記載の発明によれば、前記パッドの前記踏み返し部分の剛性を高めつつ、前記靴底の転がり性及び歩行運動エネルギー効率を高めることができるため、外反母趾、関節リウマチ等の変形疾患を有する人であっても、足の中足趾節関節の背屈角度を小さくして、歩行に伴う疼痛を低減しつつ、スムーズな歩行を確保することができる。   According to the invention described in claim 4 or claim 5, the rolling property of the shoe sole and the walking kinetic energy efficiency can be enhanced while increasing the rigidity of the stepped-back portion of the pad, so that the hallux valgus and rheumatoid arthritis are improved. Even a person having a deformed disease such as the above can reduce the dorsiflexion angle of the midfoot toe joint of the foot to reduce pain associated with walking and ensure smooth walking.

請求項５に記載の発明によれば、前記パッドの前記踏み返し部分と地面との滑りを抑えることができるため、歩行推進力の伝達効率を高めて、よりスムーズな歩行を十分に確保することができる。   According to the fifth aspect of the present invention, since slippage between the stepped portion of the pad and the ground can be suppressed, the transmission efficiency of the walking propulsive force is increased, and a smoother walking is sufficiently ensured. Can do.

（第１実施形態）
本発明の第１実施形態について図１から図４を参照して説明する。 (First embodiment)
A first embodiment of the present invention will be described with reference to FIGS.

ここで、図１（ａ）は、図１（ｂ）を左から見た図、図１（ｂ）は、第１実施形態に係る靴底の平面図、図１（ａ）は、図１（ｂ）を右から見た図、図２は、第１実施形態に係る婦人用パンプス靴を下から見た斜視図、図３は、歩行サイクル中の立脚期における足の接地状態を示す図、図４は、歩行サイクル中の立脚期における足の荷重中心点軌跡を示す図である。   1A is a view of FIG. 1B viewed from the left, FIG. 1B is a plan view of a shoe sole according to the first embodiment, and FIG. 1A is FIG. FIG. 2 is a diagram of (b) as viewed from the right, FIG. 2 is a perspective view of the women's pump shoes according to the first embodiment as viewed from below, and FIG. 3 is a diagram illustrating a foot contact state in the stance phase during the walking cycle. FIG. 4 is a diagram showing the load center point locus of the foot in the stance phase during the walking cycle.

まず、第１実施形態に係る婦人用パンプス靴及び靴底について説明する前に、人の歩行サイクル、及び歩行サイクル中の立脚期における足の荷重中心点軌跡について説明する。   First, before explaining the women's pump shoes and the sole according to the first embodiment, the foot load center point trajectory of the human walking cycle and the stance phase during the walking cycle will be described.

人の歩行サイクルは、立脚期と遊脚期とに大別され、立脚期と遊脚期とを交互に繰り返すことによって歩行が行われる。また、図３に示すように、立脚期は、踵接地と、足底接地と、踵離地と、足指離地と、爪先離地とに小別される。そして、歩行サイクル中の立脚期において、踵離地から足指離地にかけて、足Ｆの中足趾節関節Ｆａの背屈角度が大きくなる。   The human walking cycle is roughly divided into a stance phase and a swing phase, and walking is performed by alternately repeating the stance phase and the swing phase. Further, as shown in FIG. 3, the stance phase is subdivided into heel contact, sole contact, heel release, toe release, and toe release. In the stance phase during the walking cycle, the dorsiflexion angle of the midfoot phalanx joint Fa of the foot F increases from the heel to the toes.

図４に示すように、歩行速度が遅いと、歩行サイクル中の立脚期における足Ｆの荷重中心点軌跡は、踵部Ｆｂから足外側部Ｆｃ上を足裏縦方向（図４において上下方向）に延び、続いて足外側部Ｆｃから中足趾節関節Ｆａ上を足裏横方向（図４において左右方向）に沿って延びてあって、最後に中足趾節関節Ｆａから母趾部Ｆｄの先端に向かって延びている。また、歩行速度がかなり速くなると、歩行サイクル中の立脚期における足Ｆの荷重中心点軌跡は、踵部Ｆｂから母趾部Ｆｄの先端に向かって延びている。即ち、歩行速度が速くなって、歩行運動エネルギー効率が高くなると、歩行サイクル中の立脚期における足Ｆの荷重中心点軌跡の軌跡長が短くなる。   As shown in FIG. 4, when the walking speed is slow, the load center point trajectory of the foot F in the stance phase during the walking cycle is in the vertical direction on the foot outer side Fc from the buttocks Fb (vertical direction in FIG. 4). Is then extended from the lateral foot portion Fc over the metatarsal joint joint Fa along the sole lateral direction (left and right direction in FIG. 4), and finally from the metatarsal joint joint Fa to the toe portion Fd. It extends toward the tip of the. Further, when the walking speed is considerably increased, the load center point trajectory of the foot F in the stance phase during the walking cycle extends from the buttock Fb toward the tip of the buttock Fd. That is, when the walking speed increases and the walking kinetic energy efficiency increases, the trajectory length of the load center point trajectory of the foot F in the stance phase during the walking cycle becomes shorter.

図２に示すように、第１実施形態に係る婦人用パンプス１は、履物の一例であって、甲皮３を具備しており、この甲皮３は、牛革等からなるものである。また、甲皮３の周縁部には、中底５が接合されている。更に、中底５の裏面（下面）の後部（図２において右部）には、ヒール７が設けられており、このヒール７の先端には、ヒールトップ９が設けられている。   As shown in FIG. 2, a women's pump 1 according to the first embodiment is an example of footwear and includes an upper 3, and the upper 3 is made of cowhide. An insole 5 is joined to the periphery of the upper 3. Further, a heel 7 is provided at the rear part (the right part in FIG. 2) of the back surface (lower surface) of the midsole 5, and a heel top 9 is provided at the tip of the heel 7.

中底の裏面からヒール７の前部（図２において左部）にかけて、靴底１１が設けられており、この靴底１１例えばゴム，ＥＡＶ，プラスチック等の材料からなるものである。そして、婦人用パンプス１に用いられる靴底１１の具体的な構成は、次のようになる。   A shoe sole 11 is provided from the back surface of the insole to the front portion of the heel 7 (the left portion in FIG. 2). The shoe sole 11 is made of a material such as rubber, EAV, or plastic. And the specific structure of the shoe sole 11 used for the pumps 1 for women is as follows.

即ち、図１（ａ）（ｂ）（ｃ）に示すように、靴底１１の踏み返し部分１３は、足Ｆの中足趾節関節Ｆａを受圧可能であって、靴底横方向（図１（ａ）（ｃ）において紙面に向かって表裏方向、図１（ｂ）において左右方向）に亘って下向き（図１（ａ）において左向き、図１（ｂ）において紙面に向かって表向き、図１（ｃ）において右向き）に亘って凸弧状に形成されている。なお、靴底１１の踏み返し部分１３が靴底横方向に亘って凸弧状に形成される代わりに、凸弧状以外の凸状に形成されるようにしても構わない。   That is, as shown in FIGS. 1A, 1B, and 1C, the stepping-back portion 13 of the shoe sole 11 is capable of receiving pressure on the midfoot phalanx joint Fa of the foot F, and the shoe sole lateral direction (FIG. 1 (a) and (c), the front and back direction toward the paper surface, the left and right direction in FIG. 1 (b)) downward (leftward in FIG. 1 (a), front surface toward the paper surface in FIG. 1 (b), 1 (c) to the right). Note that the stepped-back portion 13 of the shoe sole 11 may be formed in a convex shape other than the convex arc shape instead of being formed in a convex arc shape across the shoe sole lateral direction.

また、靴底１１の踏み返し部分１３よりも爪先側の部分１５は、靴底母趾方向に沿って徐々に薄くなるように形成されている。なお、爪先側の部分１５には、足Ｆの母趾部Ｆｄを受圧可能な母趾受圧部１７も含まれており、靴底母趾方向とは、踏み返し部分１３の外端から母趾受圧部１７の先端に向かう方向のことをいう。   Further, the toe side portion 15 of the shoe sole 11 with respect to the stepped-back portion 13 is formed so as to be gradually thinner along the shoe sole vertical direction. Note that the toe side portion 15 also includes a buckle pressure receiving portion 17 capable of receiving pressure on the toe portion Fd of the foot F. This refers to the direction toward the tip of the pressure receiving portion 17.

更に、踏み返し部分１３及び母趾受圧部１７には、エンボス加工によって滑り止め処理が施されている。なお、エンボス加工によって滑り止め処理を施す代わりに、踏み返し部分１３及び母趾受圧部１７に滑り止め素材を用いて滑り止め処理を施しても構わない。   Further, the stepping-back portion 13 and the buckle pressure receiving portion 17 are subjected to anti-slip processing by embossing. Instead of performing the anti-slip process by embossing, the anti-slip process may be performed using the anti-slip material on the stepped-back portion 13 and the buckle pressure receiving portion 17.

次に、第１実施形態の作用及び効果について説明する。   Next, the operation and effect of the first embodiment will be described.

靴底１１の踏み返し部分１３が靴底横方向に亘って下向きに凸状に形成されているため、靴底１１の踏み返し部分１３の剛性を高めつつ、トゥスプリングを設定して、靴底１１の転がり性を高めることができる。   Since the stepped-back portion 13 of the shoe sole 11 is formed in a convex shape downward in the lateral direction of the shoe sole, the toe spring is set while increasing the rigidity of the stepped-back portion 13 of the shoe sole 11, 11 rollability can be improved.

また、靴底１１における踏み返し部分１３よりも爪先側の部分１５が靴底母趾方向に沿って徐々に薄くなるように形成されているため、図４に示すように、歩行サイクル中の立脚期における足Ｆの荷重中心点軌跡は、踵部Ｆｂから足外側部Ｆｃ上を足裏縦方向に延び、続いて足外側部Ｆｃから母趾部Ｆｄの先端に向かって延びるようになる。これにより、歩行サイクル中の立脚期における荷重中心点軌跡の軌跡長を短くして、歩行運動エネルギー効率を高めることができる。   Further, since the portion 15 on the toe side of the shoe sole 11 with respect to the stepped portion 13 is formed so as to be gradually thinner along the shoe sole vertical direction, as shown in FIG. The load center point trajectory of the foot F in the period extends from the heel part Fb on the foot outside part Fc in the longitudinal direction of the sole, and then extends from the foot outside part Fc toward the tip of the heel part Fd. Thereby, the locus | trajectory length of the load center point locus | trajectory in the stance phase in a walk cycle can be shortened, and walk kinetic energy efficiency can be improved.

更に、靴底１１の踏み返し部分１３及び母趾受圧部１７に滑り止め処理が施されているため、靴底１１の踏み返し部分１３及び母趾受圧部１７と地面との滑りを抑えることができる。   Furthermore, since the anti-slip treatment is applied to the stepping-back portion 13 and the buckle pressure receiving portion 17 of the shoe sole 11, it is possible to suppress slipping between the stepping-back portion 13 of the shoe sole 11 and the buckle pressure receiving portion 17 and the ground. it can.

従って、第１実施形態によれば、靴底１１の踏み返し部分１３の剛性を高めつつ、靴底１１の転がり性及び歩行運動エネルギー効率を高めることができるため、外反母趾、関節リウマチ等の変形疾患を有する人であっても、足Ｆの中足趾節関節Ｆａの背屈角度を小さくして、歩行に伴う疼痛を低減しつつ、スムーズな歩行を確保することができる。特に、靴底１１の踏み返し部分１３及び母趾受圧部１７と地面との滑りを抑えることができるため、歩行推進力の伝達効率を高めて、よりスムーズな歩行を十分に確保することができる。   Therefore, according to the first embodiment, the rolling property of the shoe sole 11 and the walking kinetic energy efficiency can be improved while increasing the rigidity of the stepped-back portion 13 of the shoe sole 11, so that deformable diseases such as hallux valgus, rheumatoid arthritis, etc. Even a person who has a limb can secure a smooth walking while reducing the pain associated with walking by reducing the dorsiflexion angle of the midfoot phalanx joint Fa of the foot F. In particular, since it is possible to suppress slipping between the stepped-back portion 13 of the shoe sole 11 and the buckle pressure receiving portion 17 and the ground, it is possible to enhance the transmission efficiency of the walking propulsion force and sufficiently ensure a smoother walking. .

（第２実施形態）
本発明の第２実施形態について図４、図５、及び図６を参照して説明する。 (Second Embodiment)
A second embodiment of the present invention will be described with reference to FIGS. 4, 5, and 6.

ここで、図５（ａ）は、図５（ｂ）を左から見た図、図５（ｂ）は、第２実施形態に係るパッドの平面図、図５（ａ）は、図５（ｂ）を右から見た図、図６は、第２実施形態に係るパッドが既製の婦人用パンプス靴における靴底の踏み返し部分に後付けされた状態を示す斜視図である。   Here, FIG. 5A is a view of FIG. 5B viewed from the left, FIG. 5B is a plan view of the pad according to the second embodiment, and FIG. 5A is FIG. FIG. 6 is a perspective view illustrating a state in which the pad according to the second embodiment is retrofitted to a stepped-back portion of a shoe sole in a ready-made women's pump shoe.

図６に示すように、第２実施形態に係るパッド１９は、既製の婦人用パンプス２１における靴底２３に後付け可能であって、このパッド１９は、例えばゴム，ＥＡＶ等の材料からなるものである。そして、パッド１９の具体的な構成は、次のようになる。   As shown in FIG. 6, the pad 19 according to the second embodiment can be retrofitted to the shoe sole 23 of the ready-made ladies pump 21, and the pad 19 is made of a material such as rubber or EAV, for example. is there. The specific configuration of the pad 19 is as follows.

即ち、図５（ａ）（ｂ）（ｃ）に示すように、パッド１９の踏み返し部分２５は、足Ｆの中足趾節関節Ｆａを受圧可能であって、パッド横方向（図５（ａ）（ｃ）において紙面に向かって表裏方向、図５（ｂ）において左右方向）に亘って下向き（図５（ａ）において左向き、図５（ｂ）において紙面に向かって表向き、図５（ｃ）において右向き）に亘って凸弧状に形成されている。なお、パッド１９の踏み返し部分２５がパッド横方向に亘って凸弧状に形成される代わりに、凸弧状以外の凸状に形成されるようにしても構わない。    That is, as shown in FIGS. 5A, 5B, and 5C, the stepped-back portion 25 of the pad 19 can receive the midfoot toe joint joint Fa of the foot F, and the pad lateral direction (FIG. 5 ( a) In (c), the front and back direction toward the paper surface, and in the left-right direction in FIG. 5B, downward (leftward in FIG. 5 (a), frontward in FIG. 5 (b), toward the paper surface, FIG. c) is formed in a convex arc shape to the right). Note that the stepped-back portion 25 of the pad 19 may be formed in a convex shape other than the convex arc shape instead of being formed in a convex arc shape across the pad lateral direction.

また、パッド１９の踏み返し部分２５よりも爪先側の部分２７は、パッド母趾方向に沿って徐々に薄くなるように形成されている。なお、パッド１９の爪先側の部分２７には、足Ｆの母趾部Ｆｄを受圧可能な母趾受圧部２９も含まれており、パッド母趾方向とは、踏み返し部分２５の外端から母趾受圧部２９の先端に向かう方向のことをいう。   Further, a portion 27 on the toe side of the stepped-back portion 25 of the pad 19 is formed so as to become gradually thinner along the pad buckle direction. Note that the toe side portion 27 of the pad 19 also includes a toe pressure receiving portion 29 capable of receiving the toe portion Fd of the foot F, and the pad toe direction is from the outer end of the stepped-back portion 25. The direction toward the tip of the main body pressure receiving portion 29 is said.

更に、パッド１９の踏み返し部分２５及び母趾受圧部２９には、エンボス加工によって滑り止め処理が施されている。なお、エンボス加工によって滑り止め処理を施す代わりに、パッド１９の踏み返し部分２５及び母趾受圧部２９に滑り止め素材を用いて滑り止め処理を施しても構わない。   Further, the stepping-back portion 25 of the pad 19 and the buckle pressure receiving portion 29 are subjected to anti-slip processing by embossing. Instead of performing the anti-slip process by embossing, the anti-slip process may be performed using a non-slip material on the stepped-back portion 25 of the pad 19 and the buckle pressure receiving portion 29.

次に、第２実施形態の作用及び効果について説明する。   Next, the operation and effect of the second embodiment will be described.

パッド１９の踏み返し部分２５がパッド横方向に亘って下向きに凸状に形成されているため、パッド１９の踏み返し部分の剛性を高めつつ、トゥスプリングを設定して、パッド１９の転がり性、換言すれば、靴底２３の転がり性を高めることができる。   Since the stepped-back portion 25 of the pad 19 is formed in a convex shape downward in the pad lateral direction, the toe spring is set while increasing the rigidity of the stepped-back portion of the pad 19, and the rolling property of the pad 19 is increased. In other words, the rolling property of the shoe sole 23 can be improved.

また、パッド１９における踏み返し部分２５よりも爪先側の部分２７がパッド母趾方向に沿って徐々に薄くなるように形成されているため、歩行サイクル中の立脚期における荷重中心点軌跡は、図３に示すように、踵部Ｆｂから足外側部Ｆｃ上を足裏縦方向に延び、続いて足外側部Ｆｃから母趾部Ｆｄの先端に向かって延びるようになる。これにより、歩行サイクル中の立脚期における荷重中心点軌跡の軌跡長を短くして、歩行運動エネルギー効率を高めることができる。   In addition, since the portion 27 on the toe side of the pad 19 with respect to the stepped-back portion 25 is formed so as to be gradually thinner along the pad buckle direction, the load center point locus in the stance phase during the walking cycle is As shown in FIG. 3, it extends from the heel Fb on the foot outer side Fc in the longitudinal direction of the sole, and then extends from the foot outer side Fc toward the tip of the heel part Fd. Thereby, the locus | trajectory length of the load center point locus | trajectory in the stance phase in a walk cycle can be shortened, and walk kinetic energy efficiency can be improved.

更に、パッド１９の踏み返し部分２５及び母趾受圧部２９に滑り止め処理が施されているため、パッド１９の踏み返し部分２５及び母趾受圧部２９と地面との滑りを抑えることができる。   Furthermore, since the anti-slip treatment is applied to the stepping-back portion 25 and the main rod pressure receiving portion 29 of the pad 19, it is possible to suppress the slipping between the stepping-back portion 25 of the pad 19 and the main rod pressure receiving portion 29 and the ground.

従って、第２実施形態によれば、パッド１９の踏み返し部分２５の剛性を高めつつ、靴底２３の転がり性及び歩行運動エネルギー効率を高めることができるため、外反母趾、関節リウマチ等の変形疾患を有する人であっても、足Ｆの中足趾節関節Ｆａの背屈角度を小さくして、歩行に伴う疼痛を低減しつつ、スムーズな歩行を確保することができる。特に、パッド１９の踏み返し部分２５及び母趾受圧部２９と地面との滑りを抑えることができるため、歩行推進力の伝達効率を高めて、よりスムーズな歩行を十分に確保することができる。   Therefore, according to the second embodiment, the rigidity of the stepping portion 25 of the pad 19 can be increased, and the rolling property of the shoe sole 23 and the walking kinetic energy efficiency can be increased. Therefore, deformation diseases such as hallux valgus and rheumatoid arthritis can be prevented. Even a person who has the foot F can secure the smooth walking while reducing the pain associated with walking by reducing the dorsiflexion angle of the midfoot phalanx joint Fa of the foot F. In particular, since it is possible to suppress slipping between the stepped-back portion 25 of the pad 19 and the buckle pressure receiving portion 29 and the ground, the transmission efficiency of the walking propulsive force can be increased, and a smoother walking can be sufficiently ensured.

なお、本発明は、前述の実施形態の説明に限られるものではなく、その他、種々の態様で実施可能である。また、本発明に包含される権利範囲は、これらの実施形態に限定されないものである。   In addition, this invention is not restricted to description of the above-mentioned embodiment, In addition, it can implement in a various aspect. Further, the scope of rights encompassed by the present invention is not limited to these embodiments.

図１（ａ）は、図１（ｂ）を左から見た図、図１（ｂ）は、第１実施形態に係る靴底の平面図、図１（ａ）は、図１（ｂ）を右から見た図である。1A is a view of FIG. 1B viewed from the left, FIG. 1B is a plan view of a shoe sole according to the first embodiment, and FIG. 1A is FIG. 1B. It is the figure which looked at from the right. 第１実施形態に係る婦人用パンプス靴を下から見た斜視図である。It is the perspective view which looked at the pump shoes for women concerning a 1st embodiment from the bottom. 歩行サイクル中の立脚期における足の接地状態を示す図である。It is a figure which shows the contact state of the leg | foot in the stance phase in a walk cycle. 歩行サイクル中の立脚期における足の荷重中心点軌跡を示す図である。It is a figure which shows the load center point locus | trajectory of the leg | foot in the stance phase in a walk cycle. 図５（ａ）は、図５（ｂ）を左から見た図、図５（ｂ）は、第２実施形態に係るパッドの平面図、図５（ａ）は、図５（ｂ）を右から見た図である。5A is a view of FIG. 5B viewed from the left, FIG. 5B is a plan view of the pad according to the second embodiment, and FIG. 5A is FIG. 5B. It is the figure seen from the right. 第２実施形態に係るパッドが既製の婦人用パンプス靴における靴底の踏み返し部分に後付けされた状態を示す斜視図である。It is a perspective view which shows the state by which the pad which concerns on 2nd Embodiment was retrofitted to the stepped-back part of the shoe sole in ready-made women's pump shoes.

符号の説明Explanation of symbols

１ 婦人用パンプス
１１ 靴底
１３ 踏み返し部分
１５ 爪先側の部分
１７ 母趾受圧部
１９ パッド
２１ 婦人用パンプス
２３ 靴底
２５ 踏み返し部分
２７ 爪先側の部分
２９ 母趾受圧部 DESCRIPTION OF SYMBOLS 1 Women's pumps 11 Shoe sole 13 Stepping back part 15 Toe side part 17 Paddle pressure receiving part 19 Pad 21 Women's pumps 23 Shoe bottom 25 Stepping back part 27 Toe side part 29 Keyhole receiving part

Claims (5)

履物に用いられる靴底において、
踏み返し部分が靴底横方向に亘って下向きに凸状に形成され、前記踏み返し部分よりも爪先側の部分が靴底母趾方向に沿って徐々に薄くなるように形成されたことを特徴とする靴底。 In the sole used for footwear,
The stepped-back portion is formed in a convex shape downward in the lateral direction of the shoe sole, and the portion on the toe side of the stepped-back portion is formed so as to be gradually thinner along the shoe sole vertical direction. And soles. 前記踏み返し部分に滑り止め処理が施されていることを特徴とする請求項１に記載の靴底。   The shoe sole according to claim 1, wherein an anti-slip treatment is applied to the stepped-back portion. 履物において、
請求項１又は請求項２に記載の靴底を具備したことを特徴とする履物。 In footwear,
A footwear comprising the shoe sole according to claim 1 or 2. 既製の履物における靴底に後付け可能なパッドにおいて、
前記踏み返し部分がパッド横方向に亘って下向きに凸状に形成され、前記踏み返し部分よりも爪先側の部分がパッド母趾方向に沿って徐々に薄くなるように形成されたことを特徴とするパッド。 In pads that can be retrofitted to the sole of ready-made footwear,
The stepped-back portion is formed in a downward convex shape across the pad lateral direction, and a portion on the toe side of the stepped-back portion is formed so as to gradually become thinner along the pad buckle direction. Pad to do. 前記踏み返し部分に滑り止め処理が施されていることを特徴とする請求項４に記載のパッド。
The pad according to claim 4, wherein an anti-slip treatment is applied to the stepped-back portion.
JP2006170989A 2006-06-21 2006-06-21 Soles, footwear and pads Expired - Fee Related JP5013761B2 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8277459B2 (en) 2009-09-25 2012-10-02 Tarsus Medical Inc. Methods and devices for treating a structural bone and joint deformity
US8652141B2 (en) 2010-01-21 2014-02-18 Tarsus Medical Inc. Methods and devices for treating hallux valgus
US8696719B2 (en) 2010-06-03 2014-04-15 Tarsus Medical Inc. Methods and devices for treating hallux valgus
US8870876B2 (en) 2009-02-13 2014-10-28 Tarsus Medical Inc. Methods and devices for treating hallux valgus

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JPS55116503U (en) * 1979-02-08 1980-08-16
JPH0381438U (en) * 1989-12-12 1991-08-20
JPH0923904A (en) * 1995-07-13 1997-01-28 Nippon Solid Co Ltd Footwear
JP2001104008A (en) * 1999-10-08 2001-04-17 Terumitsu Endo Foot sole plate
JP2004202128A (en) * 2002-12-26 2004-07-22 Cogit:Kk Footwear
JP2006042983A (en) * 2004-08-02 2006-02-16 Victory:Kk Footwear product, its sole member and sole pad

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JPS55116503U (en) * 1979-02-08 1980-08-16
JPH0381438U (en) * 1989-12-12 1991-08-20
JPH0923904A (en) * 1995-07-13 1997-01-28 Nippon Solid Co Ltd Footwear
JP2001104008A (en) * 1999-10-08 2001-04-17 Terumitsu Endo Foot sole plate
JP2004202128A (en) * 2002-12-26 2004-07-22 Cogit:Kk Footwear
JP2006042983A (en) * 2004-08-02 2006-02-16 Victory:Kk Footwear product, its sole member and sole pad

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8870876B2 (en) 2009-02-13 2014-10-28 Tarsus Medical Inc. Methods and devices for treating hallux valgus
US8277459B2 (en) 2009-09-25 2012-10-02 Tarsus Medical Inc. Methods and devices for treating a structural bone and joint deformity
US8795286B2 (en) 2009-09-25 2014-08-05 Tarsus Medical Inc. Methods and devices for treating a structural bone and joint deformity
US8652141B2 (en) 2010-01-21 2014-02-18 Tarsus Medical Inc. Methods and devices for treating hallux valgus
US8696719B2 (en) 2010-06-03 2014-04-15 Tarsus Medical Inc. Methods and devices for treating hallux valgus

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