Abstract: The present invention provides a shoe having a simpler structure compared to patent document JP-A 2010-162318, with reduced discomfort and enhanced repulsive force. According to an aspect of certain embodiments of the present invention, a shoe 10 comprising: a middle sole 14 having a foot contacting surface 40 and a ground contacting surface 42; an upper at least partially covering the foot contacting surface 40 of the middle sole 14; and an elastic structure 18 curving upwards towards the rear direction at least from the outer foot side of the ground contacting surface is provided. With such configuration, discomfort can be reduced and repulsive force can be enhanced.

Abstract: A shoe tongue structure includes a first shoe tongue and a second shoe tongue arranged such as to cover an opening of an upper extending frontward from a foot insertion part. The first shoe tongue includes a first front end fixed to an edge of the opening and extends rearward from the first front end toward the lateral side of the foot insertion part. The second shoe tongue includes a second front end fixed to an edge of the opening and extends rearward from the second front end toward the medial side of the foot insertion part. The first front end is positioned on the medial side with respect to the second front end.

Abstract: A shoe includes a midsole and an upper joined to the midsole. A joint position between the midsole and a base end part of the upper is located inside in a width direction with respect to an outer circumferential edge of a top surface of the midsole. The shoe in another aspect includes the midsole, a first upper joined to the midsole, and a second upper disposed on the outside in a width direction of the first upper. A first joint position between the midsole and the base end part of the first upper is located on the inside in a width direction of a second joint position between the midsole and a base end part 68 of the second upper, and an upper edge U of the second upper is joined to the first upper.

Abstract: The present invention provides a shoe having a simpler structure compared to patent document JP-A 2010-162318, with reduced discomfort and enhanced repulsive force. According to an aspect of certain embodiments of the present invention, a shoe 10 comprising: a middle sole 14 having a foot contacting surface 40 and a ground contacting surface 42; an upper at least partially covering the foot contacting surface 40 of the middle sole 14; and an elastic structure 18 curving upwards towards the rear direction at least from the outer foot side of the ground contacting surface is provided. With such configuration, discomfort can be reduced and repulsive force can be enhanced.

Abstract: A shoe having a structure with excellent acceleration performance is provided. A shoe includes: a sole made of a soft material, which includes a ground contact surface and also includes a foot contact surface facing a side opposite to the ground contact surface; and an upper combined with the foot contact surface side of the sole. A thickness of the sole at a position corresponding to an MP joint of a wearer is different from a thickness of the sole at a position corresponding to the center of the heel such that an angle between the foot contact surface and the ground contact surface falls within the range of 8 to 16 degrees. Accordingly, a shoe having a structure that provides excellent feeling of acceleration is provided.

Abstract: There is provided a footwear capable of efficiently removing vibrations of specific frequencies that could propagate to the human body upon landing during running or walking. A footwear includes a sole; an upper connected to an upper-side perimeter region of the sole; and a vibration absorbing unit which absorbs vibration generated by an impact upon landing. The vibration absorbing unit includes a platy flexible support portion which has a smaller rigidity in the vertical direction than in the horizontal direction, and a weight portion provided in the support portion. The support portion is fixed to the sole or the upper, surrounding a perimeter of the weight portion.

Abstract: A shock absorbing structure formed by including a column member, a ring member that is provided by being fitted onto the column member and has elasticity, a first pressure receiving portion that is connected to an upper end of the column member, and a second pressure receiving portion that is connected to a lower end of the column member, wherein the column member tilts with respect to at least one of the first and second pressure receiving portions with pressure reception, and is restored with decompression, and the ring member is caused to undergo bulging deformation to an outer circumferential side direction from an inner circumferential side by tilting of the column member.

Abstract: There is provided a footwear capable of efficiently removing vibrations of specific frequencies that could propagate to the human body upon landing during running or walking. A footwear includes a sole; an upper connected to an upper-side perimeter region of the sole; and a vibration absorbing unit which absorbs vibration generated by an impact upon landing. The vibration absorbing unit includes a platy flexible support portion which has a smaller rigidity in the vertical direction than in the horizontal direction, and a weight portion provided in the support portion. The support portion is fixed to the sole or the upper, surrounding a perimeter of the weight portion.

Abstract: A shock absorbing structure formed by including a column member, a ring member that is provided by being fitted onto the column member and has elasticity, a first pressure receiving portion that is connected to an upper end of the column member, and a second pressure receiving portion that is connected to a lower end of the column member, wherein the column member tilts with respect to at least one of the first and second pressure receiving portions with pressure reception, and is restored with decompression, and the ring member is caused to undergo bulging deformation to an outer circumferential side direction from an inner circumferential side by tilting of the column member.

Abstract: A midsole includes a thick plate-shaped or column-shaped cushioning portion. A plurality of grooves is formed on an outer peripheral surface of the cushioning portion. The respective grooves are helically formed around a substantially vertical line. The respective grooves are arranged substantially parallel with each other. A range ? in which each of the grooves is formed is larger than a range of 15 degrees around the axial line and is smaller than a range of 180 degrees around the axial line.

Abstract: A midsole includes a thick plate-shaped or column-shaped cushioning portion. A plurality of grooves is formed on an outer peripheral surface of the cushioning portion. The respective grooves are helically formed around a substantially vertical line. The respective grooves are arranged substantially parallel with each other. A range ? in which each of the grooves is formed is larger than a range of 15 degrees around the axial line and is smaller than a range of 180 degrees around the axial line.

Abstract: A midsole includes a thick plate-shaped or column-shaped cushioning portion. A plurality of grooves is formed on an outer peripheral surface of the cushioning portion. The respective grooves are helically formed around a substantially vertical line. The respective grooves are arranged substantially parallel with each other. A range ? in which each of the grooves is formed is larger than a range of 15 degrees around the axial line and is smaller than a range of 180 degrees around the axial line.

Abstract: A midsole includes a thick plate-shaped or column-shaped cushioning portion. A plurality of grooves is formed on an outer peripheral surface of the cushioning portion. The respective grooves are helically formed around a substantially vertical line. The respective grooves are arranged substantially parallel with each other. A range &agr; in which each of the grooves is formed is larger than a range of 15 degrees around the axial line and is smaller than a range of 180 degrees around the axial line.

Abstract: A midsole includes a thick plate-shaped or column-shaped cushioning portion. A plurality of grooves is formed on an outer peripheral surface of the cushioning portion. The respective grooves are helically formed around a substantially vertical line. The respective grooves are arranged substantially parallel with each other. A range &agr; in which each of the grooves is formed is larger than a range of 15 degrees around the axial line and is smaller than a range of 180 degrees around the axial line.

Abstract: Disclosed is a shoe sole comprising an outer sole 1F, 1B, a midsole 2 and a reinforcement device 4 made of a resin plate. The reinforcement device 4 is firmly secured to the underside of an arch portion 2M of the midsole 2. At a medial side 11 and a lateral side 10 of the foot, the reinforcement device 4 is shaped like an arch between separated outer sole parts 1F and 1B. A medial foot portion 43 of the reinforcement device 4 is formed to have a higher hardness than a lateral foot portion 40 of the reinforcement device 4. This allows the reinforcement device 4 to have a greater flexural rigidity in its medial foot portion 43 than in its lateral foot portion 40.

Abstract: Disclosed is a shoe sole comprising an outer sole 1F, 1B, a midsole 2 and a reinforcement device 4 made of a resin plate. The reinforcement device 4 is firmly secured to the underside of an arch portion 2M of the midsole 2. At a medial side 11 and a lateral side 10 of the foot, the reinforcement device 4 is shaped like an arch between separated outer sole parts 1F and 1B. A medial foot portion 43 of the reinforcement device 4 is formed to have a higher hardness than a lateral foot portion 40 of the reinforcement device 4. This allows the reinforcement device 4 to have a greater flexural rigidity in its medial foot portion 43 than in its lateral foot portion 40.

Abstract: This invention is directed to a shock absorbing device for a shoe sole comprising a lower layer 2 having an upper face 21 and an upper layer 3 having a lower face 30. The two layers 2, 3 are both made of an elastomer. The faces 21, 30 are each formed to have substantially a corrugated section. The corrugated faces 21, 30 each have a plurality of top portions 22, 32, bottom portions 23, 33, and inclined portions 24, 34 joining the top portions 22, 32 and bottom portions 23, 33, with the corrugated faces 21, 30 each being formed from essentially a smooth surface. The corrugated faces 21, 30 mate with each other. The two mating faces 21, 30 are spaced apart from each other at the top portions 22, 32 and/or at the bottom portions 23, 33, with gaps 4 being formed at the spaced-apart portions.

Abstract: Disclosed is a shoe sole comprising an outer sole 1F, 1B, a midsole 2 and a reinforcement device 4 made of a resin plate. The reinforcement device 4 is firmly secured to the underside of an arch portion 2M of the midsole 2. At a medial side 11 and a lateral side 10 of the foot, the reinforcement device 4 is shaped like an arch between separated outer sole parts 1F and 1B. A medial foot portion 43 of the reinforcement device 4 is formed to have a higher hardness than a lateral foot portion 40 of the reinforcement device 4. This allows the reinforcement device 4 to have a greater flexural rigidity in its medial foot portion 43 than in its lateral foot portion 40.

Abstract: A midsole includes a thick plate-shaped or column-shaped cushioning portion. A plurality of grooves is formed on an outer peripheral surface of the cushioning portion. The respective grooves are helically formed around a substantially vertical line. The respective grooves are arranged substantially parallel with each other. A range &agr; in which each of the grooves is formed is larger than a range of 15 degrees around the axial line and is smaller than a range of 180 degrees around the axial line.

Abstract: This invention is directed to a shock absorbing device for a shoe sole comprising a lower layer 2 having an upper face 21 and an upper layer 3 having a lower face 30. The two layers 2, 3 are both made of an elastomer. The faces 21, 30 are each formed to have substantially a corrugated section. The corrugated faces 21, 30 each have a plurality of top portions 22, 32, bottom portions 23, 33, and inclined portions 24, 34 joining the top portions 22, 32 and bottom portions 23, 33, with the corrugated faces 21, 30 each being formed from essentially a smooth surface. The corrugated faces 21, 30 mate with each other. The two mating faces 21, 30 are spaced apart from each other at the top portions 22, 32 and/or at the bottom portions 23, 33, with gaps 4 being formed at the spaced-apart portions.