US20090282704A1 - Shoes and Shoes Insole Capable of Buffering Shock by Air Circulation - Google Patents

Shoes and Shoes Insole Capable of Buffering Shock by Air Circulation Download PDF

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Publication number
US20090282704A1
US20090282704A1 US12085278 US8527807A US2009282704A1 US 20090282704 A1 US20090282704 A1 US 20090282704A1 US 12085278 US12085278 US 12085278 US 8527807 A US8527807 A US 8527807A US 2009282704 A1 US2009282704 A1 US 2009282704A1
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Prior art keywords
formed
front
rear
multiple
shoes
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Abandoned
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US12085278
Inventor
Jin-Young Park
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DOCTOR FOR DOCTOR Co Ltd
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DOCTOR FOR DOCTOR Co Ltd
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    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole and heel units
    • A43B13/14Soles; Sole and heel units characterised by the constructive form
    • A43B13/18Resilient soles
    • A43B13/181Resiliency achieved by the structure of the sole
    • A43B13/182Helicoidal springs
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole and heel units
    • A43B13/14Soles; Sole and heel units characterised by the constructive form
    • A43B13/18Resilient soles
    • A43B13/20Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A43B13/203Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with a pump or valve
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole and heel units
    • A43B13/14Soles; Sole and heel units characterised by the constructive form
    • A43B13/18Resilient soles
    • A43B13/20Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A43B13/206Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with tubes or pipes or tubular shaped cushioning members
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/06Ventilated footwear
    • A43B7/08Footwear with air-holes, with or without closures
    • A43B7/082Footwear with air-holes, with or without closures the air being expelled to the outside
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with foot-supporting parts
    • A43B7/1405Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/1425Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the ball of the foot, i.e. the joint between the first metatarsal and first phalange
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with foot-supporting parts
    • A43B7/1405Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/1435Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the joint between the fifth phalange and the fifth metatarsal bone
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with foot-supporting parts
    • A43B7/1405Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/144Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the heel, i.e. the calcaneus bone
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with foot-supporting parts
    • A43B7/1405Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/1445Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the midfoot, i.e. the metatarsal
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with foot-supporting parts
    • A43B7/1405Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/145Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the toes, i.e. the phalange
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with foot-supporting parts
    • A43B7/1405Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1455Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form with special properties
    • A43B7/146Footwear with foot-supporting parts provided with pads or holes on one or more locations, or having an anatomical or curved form with special properties provided with acupressure points or means for footmassage

Abstract

This invention relates to an air circulating, shock absorbing shoes which reduce the impact exerted to the feet of the wearer by providing ventilation in the shoes, resulting in pleasant and comfortable wearing of shoes.
The air circulating and shock absorbing shoes are technically characterized by being constituted with a buffering space (11) formed on top of the said outsole (10) containing cushion member (40); multiple nuts (50) penetrating the front and rear parts of the said buffering space (11); multiple insertion holes (41) vertically penetrating the said cushion member (40) facing said nuts (50); buffering device inserted in said insertion holes (41) embedded with vertical spring (61); cap screws (70) jointed with said nuts (50); multiple wavy grooves (42)(43) formed at the front and rear parts of said cushion member (40) and connected with grooves (42 a)(43 a); path (44) which connects said front and rear wavy grooves (42)(43); 1st and 2nd check valves (80)(90) formed at the said path (44) and rear part of the outsole (10) respectively; and multiple suction holes (21)(31) formed at the front part of the said midsole (20) and insole (30) and connected with the front wavy groove (42).

Description

    TECHNICAL FIELD
  • This invention relates to an air circulating and shock absorbing shoes and soles which absorb the impact exerted to the feet of the wearer while walking or running, enable smooth ventilation for pleasant and comfortable wearing for a long time.
  • BACKGROUND ART
  • In general, shoes are worn for walking and running, which is indispensable in our daily lives and their type, are several tens which can be classified by use and functionality, such as running shoes, leather shoes, slippers, sports shoes, golf shoes, military shoes, mountain climbing shoes, and etc.
  • Soles are auxiliary members of shoes inserted in shoes to protect feet for a long time for the comfort of feet in walking or running.
  • Recently, a number of new shoes and soles are being developed in order to improve comfortableness and help promote health.
  • On the other hand, modern people are living with diverse health problems due to lack of exercise and fatness provided by modern science and technologies, such as transportation means.
  • In recent days, many people are doing exercises such as running in parks in the morning, wearing light shoes and training clothes.
  • However, conventional shoes and soles cannot properly absorb the shock In walking or running exerted to knee joints, giving impact to the cartilaginous plates of knee joints and backbone. In addition, due to the insufficient cushion this is the result of their structure, conventional shoes and insoles cause fatigue in feet and cannot promote health sufficiently. Especially, the impact of the weight of body is exerted to the feet and legs without buffering, resulting in fatigue.
  • Furthermore, since conventional shoes and insoles are not sufficiently ventilated due to their structure, they have the problem of over-sweating. Especially, since the sweat of feet cannot be dried fast, they cannot prevent microorganisms from propagation, resulting in bad odor or athlete's foot.
  • DISCLOSURE OF INVENTION
  • The object of the present invention is to solve abovementioned problems. To this end, the present invention provides an air circulated and shock absorbing shoes and insoles which can reduce feet fatigue by absorbing the shock exerted to the feet during walking or running, increase the quantity of motion, remove bad odor of feet by smooth air circulation, prevent athlete's foot, so that wearers can wear the shoes pleasantly and comfortably for a long time.
  • To this end, the air circulated and shock absorbing shoes in accordance with the present invention are formed with buffering spaces above the outsole in which cushion members are inserted, with multiple nuts embedded at the front and rear parts of the said buffering spaces, penetrating the spaces, with multiple vertical devices for insertion in the cushion member at the opposite positions of the said nuts, with shock absorbing devices embedded with springs vertically in the said insertion holes, and the said nuts are jointed with cap screws, and the front and rear parts of the said cushion members are formed with multiple wavy grooves which are connected with connecting grooves, and formed with the 1st and 2nd check valves at the said connecting grooves and the rear part of the outsoles, and the front parts of the outsoles and insoles are formed with multiple inlet holes which are connected with the front wavy grooves.
  • To this end, the air circulating and shock absorbing insoles of the 1st exemplary embodiment in accordance with present invention are formed with the 1st and 2nd air chambers, at the front and rear parts of the upside of the lower sheet, which are interconnected with grooves, and the inside of the center part of the upside of the said lower sheet and the said 1st air chambers are formed with multiple concave grooves, and the upper sheet is formed with multiple inlet holes which are connected with the 1st air chambers, the lower sides of the said upper sheets are formed with multiple buffering projections which are inserted into the concave grooves, and the said buffering projections are embedded with springs and formed, on their top, with pressing projections which receive the elastic force of the springs, the top of the rear part of the said upper sheets are formed with multiple cushion projections, said 2nd air chambers are embedded with buffering members, and the front parts of said 2nd air chambers are formed with the 2nd check valves which exhaust air outside.
  • To realize said objects, the air circulating and shock absorbing insoles of the 2nd exemplary embodiment in accordance with present invention are formed with buffering spaces, on top of the lower sheet, inserted with cushion members, the front and rear parts of said buffering spaces are embedded with multiple nuts which penetrate vertically, the cushion members are formed with multiple insertion holes at their front and rear parts at the opposite positions of said nuts, said insertion holes are embedded with buffering devices Integrated with springs vertically in said insertion holes, said nuts are jointed with cap screws, the front and rear parts of said cushion members are formed with multiple front and rear wavy grooves which are connected with grooves, said front and rear grooves are connected with grooves, said connecting grooves and the rear part of the lower sheets are formed with the 1st and 2nd check valves respectively, and the front of the upper sheets are formed with multiple inlet holes which are connected with the front wavy grooves.
  • BRIEF DESCRIPTION OF DRAWINGS
  • FIGS. 1 through 11 illustrates the air circulating, shock absorbing shoes in accordance with the present invention, where;
  • FIG. 1 is an exploded perspective view of an exemplary embodiment of the present invention,
  • FIG. 2 is a sectional view showing the combination of an exemplary embodiment of the present invention,
  • FIG. 3 is a sectional view showing the exploded status of an exemplary embodiment of the present invention,
  • FIG. 4 is a top plan view showing the cushion member in accordance with the present invention,
  • FIG. 5 is an exploded perspective view showing the core parts of the present invention,
  • FIGS. 6 a and 6 b are a perspective view and a sectional view of the shock absorbing device in accordance with the present invention, respectively,
  • FIGS. 7 a and 7 b are a perspective view and a sectional view of the cap screw in accordance with the present invention, respectively,
  • FIG. 8 is a sectional view showing another embodiment of the cap screw in accordance with the present invention,
  • FIGS. 9 a, 9 b, and 9 c are sectional views showing the operation of the present invention,
  • FIG. 10 is an exploded perspective view showing the exemplary embodiment of the mid sole and insole in accordance with the present invention,
  • FIG. 11 is a sectional view showing the joint status of the FIG. 10,
  • FIG. 12 through FIG. 18 b show the insole of an air circulating, shock absorbing shoe which is an exemplary embodiment of the present invention,
  • FIG. 12 is a perspective view of an exemplary embodiment of the present invention,
  • FIG. 13 is an exploded perspective view of an exemplary embodiment of the present invention,
  • FIG. 14 is a sectional view showing an exemplary embodiment of the present invention,
  • FIG. 15 a is a perspective view showing the bottom side of the upper sheet in accordance with the present invention,
  • FIG. 15 b is a sectional view showing the shock absorbing projections and pressing projections of the upper sheet in accordance with the present invention,
  • FIG. 16 a is a perspective view showing the cushion member in accordance with the present invention,
  • FIG. 16 b is the sectional view of the FIG. 16 a,
  • FIGS. 17 a, 17 b and 17 c are sectional views showing the operation of the present invention,
  • FIG. 18 a is a perspective view showing another exemplary embodiment of the cushion member in accordance with the present invention,
  • FIG. 18 b is the sectional view of the FIG. 18 a,
  • FIGS. 19 through FIG. 27 c shows the air circulating, shock absorbing insole of another exemplary embodiment in accordance with the present invention,
  • FIG. 19 is a perspective view showing another exemplary embodiment of the present invention,
  • FIG. 20 is an exploded perspective view of the present invention,
  • FIG. 21 is a sectional view showing the joint status of the present invention,
  • FIG. 22 is a sectional view showing the separated status of the present invention,
  • FIG. 23 is a top plan view showing the cushion member in accordance with the present invention,
  • FIG. 24 is an exploded perspective view showing the core members of the present invention,
  • FIGS. 25 a and 25 b are the perspective and sectional views of the shock absorbing device in accordance with the present invention, respectively,
  • FIGS. 26 a and 26 b are the perspective and sectional views of the cap screw in accordance with the present invention, and
  • FIGS. 27 a, 27 b and 27 c are sectional views showing the operation of an exemplary embodiment of the present invention.
  • BEST MODE FOR CARRYING OUT THE INVENTION
  • The technical constitution and functions of the said members set forth and described hereinabove are described herein below.
  • The air circulating and shock absorbing shoes are technically characterized by being constituted with, as shown in the FIG. 1 through FIG. 11, in a shoe (S) incorporating outsole (10), midsole (20), and insole (30), a buffering space (11) formed on top of the said outsole (10) containing cushion member (40); multiple nuts (50) penetrating the front and rear parts of the said buffering space (11); multiple insertion holes (41) vertically penetrating the said cushion member (40) facing said nuts (50); buffering device inserted in said insertion holes (41) embedded with vertical spring (61); cap screws (70) jointed with said nuts (50); multiple wavy grooves (42)(43) formed at the front and rear parts of said cushion member (40) and connected with grooves (42 a)(43 a); path (44) which connects said front and rear wavy grooves (42)(43); 1st and 2nd check valves (80)(90) formed at the said path (44) and rear part of the outsole (10) respectively; and multiple suction holes (21)(31) formed at the front part of the said midsole (20) and insole (30) and connected with the front wavy groove (42).
  • Here, the said shoe (S) applies to all the shoes, which incorporate outsole (10), midsole (20), and insole (30), and have diverse sizes according to the age, sex, and size of feet of wearer.
  • The said buffer space (11), as shown in FIG. 1, is formed along on the outsole (10) lengthwise and integrated with a cushion member (40) who absorbs the impact of walking and circulates air. Here, at the front and rear parts of the said buffer space (11), multiple nuts (50) are inserted penetrating vertically by integrated injection molding.
  • Said inlet holes (21)(31) are formed at the front parts of the midsole (20) and insole (30) and connected with the front wavy groove (42) formed in the cushion member (40). Here, fresh air is introduced through the multiple inlet holes (31) formed in the said insole (30) while walking.
  • The said cushion member (40), which is integrated in the buffer space of the outsole (10), absorbing shock of walking and circulates air, is made of soft and elastic material and formed with multiple insertion holes (41), multiple front and rear wavy grooves (42)(43) and connecting path (44). Here, said cushion member (40) is formed with a shape corresponding with the said buffer space (11).
  • Said insertion holes (41) are formed vertically in the cushion member (40) facing the nuts (50), integrated with buffering devices (60) which absorbs the impact of walking.
  • As shown in FIG. 4, said front and rear wavy grooves (42)(43) are formed at the front and rear parts of the said cushion member (40) respectively. These front and rear wavy grooves (42)(43) are interconnected with grooves (4), and the rear wavy groove (43) is connected with the 2nd check valve (90) as shown in the figure. Said front and rear wavy grooves (42)(43) circulate air and reduce the weight of the cushion member (40).
  • The said path (44) is, as shown in the FIG. 4, formed at the center top of the cushion member (40) and connects the front and rear wavy grooves (42)(43), and installed with the 1st check valve (80).
  • The said nuts (50) are formed at the front and rear parts of the buffer space (11) penetrating vertically, and joint with cap screws (70). Here, the said nuts (50) are inserted into the buffer space (11) by injection molding.
  • Said buffering devices (60) are inserted in the insertion holes (41) of the cushion member (40) to absorb the shock of walking and circulate air, and are made of soft, elastic material and embedded vertically with springs (61), as shown in the FIGS. 6 a and 6 b, which increases bouncing force with elasticity. The springs (61) are protected from corrosion by being embedded in the buffering devices (60). At the centers of the top and bottom of said buffering devices (60), concave grooves (62)(63) are formed, and on the bottom of said midsole (20) and top of the cap screw (70), projections (22)(71) which are inserted into said concave grooves (62)(63) are formed.
  • Said cap screws (70) are assembled, but can be disassembled, with nuts (50) to support buffering devices (60), by screw joints so that the buffering devices (60) can be easily replaced. Here, on the bottom of the cap screws (70), grooves (70 a) are formed for easy jointing and unscrewing of cap screw (70) for assembling and disassembling, as shown in FIG. 7 b. Therefore, the buffering devices (60) can be easily replaced when damaged or to meet the weight of the shoes wearer with the one having appropriate strength. Especially, the strength of the buffering devices (60) at where more load is exerted can be adjusted with desired tension.
  • Another desirable embodiment of the present invention, as illustrated in FIG. 8, is characterized by formed with anti-slip projections (72) on the bottom of said cap screws (70), which are especially suitable for mountain climbing or golf shoes.
  • Said 1st check valve (80) is installed in the path (44) of the said cushion member (40) to close the path (44) when the rear wavy grooves (43) is pressed and open the path when the rear wavy grooves (43) is expanded, while walking. As illustrated in FIG. 1, a valve grove (44 a) is formed in the path (44) of said cushion member (40) to install the 1st check valve (80).
  • The 2nd check valve (90) is installed at the rear part of the outsole (10) so as to be connected with outside to exhaust air when the rear wavy grooves (43) of said cushion member (40) is pressed, and cuts off air exhaustion by being closed when the rear wavy grooves (43) of said cushion member (40) is expanded. Here, a valve s groove (12) is formed at the rear part of said outsole (10) to install the 2nd check valve, as shown in FIG. 1.
  • FIGS. 10 and 11 show another exemplary embodiment of the midsole (20) and insole (30) in accordance with the present invention, wherein, they are characterized by; multiple pressing projections (23) and cushion projections (24) which are formed on top of the front and rear parts of the said midsole (20); and multiple cut-offs (24) formed on said insole in correspondence with the said pressing projections (23) and cushion projections (24); and the top of the said insole (30) attached with spun cloth (30 a).
  • Here, the said pressing projection (23) are formed on front top of said midsole (20), as shown in FIGS. 10 and 11, to provide pressing effect on feet while walking.
  • Said cushion projections (24) also are formed on the rear top of the midsole (20), as shown in FIGS. 10 and 11, to absorb shock while walking or running.
  • Said cut-offs (32) are formed on the insole (30), as shown in FIGS. 10 and 11, facing the pressing and cushion projections (23)(24), in ‘*’ shape so that they can be easily open up in all directions to accept said pressing and cushion projections (23)(24).
  • Said spun cloth (30 a), as shown in FIGS. 10 and 11, is attached on top of the insole (30), to provide elasticity to the cut-offs (32) and prevent pressing and cushion projections (23)(24) from being exposed to top of the insole (30).
  • The overall function and operation of the entire members of the air circulating and shock absorbing shoes in accordance with the present invention are described herein below.
  • While the shoes (S) are not worn, the cushion member (40) and the front and rear wavy grooves (42)(43) are expanded by the elasticity of the buffering devices (60), When the shoes (S) are worn and walked or run, said cushion member (40), said front and rear wavy grooves (42)(43) and said buffering device (60) provide buffering and air circulation functions by being compressed and expanded in turns.
  • As shown in FIG. 9 a, when the insole (30) and midsole (20) are pressed by the heel of foot, the rear wavy grooves (43) of the cushion member (40) are compressed, resulting in the compression of the buffering devices (60) at the rear of the cushion member (40) absorbing the shock, and at the same time, the air compressed at the rear wavy grooves (43) is exhausted to outside through the 2nd check valve (90), and the path (44) in the cushion member (40) is closed because the 1st check valve (80) is closed by the pressure of the air compressed in the rear wavy grooves (43).
  • Next, as shown in FIG. 9 b, when the insole (30) and midsole (20) are pressed by the toe while in walking, the front wavy grooves (42) of the cushion member (40) are compressed, resulting in the compression of the buffering devices (60) of the cushion member (40), absorbing the shock. At the same time, the 1st check valve (80) is open because the air compressed in the front wavy grooves (42) is exhausted through the path (44) of the cushion member (40).
  • As shown in FIG. 9 c, when the shoe (S) is isolated from ground, the front and rear wavy grooves (42)(43) of the cushion member (40) are expanded back to their original shape by the dynamic stability of the buffering device (60), causing suction force in the front and rear wavy grooves (42)(43), introducing fresh air into the front wavy grooves (42) through the suction holes (31)(21) of the insole (30) and midsole (20), into the rear wavy grooves (43) via the path (44) and the 1st check valve (80), resulting in natural circulation of air in the shoe (S) while walking or running.
  • Therefore, the air circulating and shock absorbing shoes in accordance with the present invention provides excellent cushion by the buffering function, reducing foot fatigue while walking or running, promoting health by increasing the quantity of motion due to their structure, and preventing various diseases caused by lack of exercise.
  • In addition, the air circulating and shock absorbing shoes in accordance with the present invention can remove foot odor and prevent athlete's foot with the fresh air circulated in the shoes while walking or running, for pleasant wearing over a long time.
  • In addition, according to the present invention, as described above, the buffering devices (60) can be easily replaced when damaged since the cap screws (70) are joint with the nuts (50) by screw joint, or to meet the weight of the wearer. Furthermore, the strengths of the buffering devices can be adjusted partially by replacement according to the load.
  • In addition, the springs (61) in accordance with the present invention are embedded in the buffering devices (60) to be protected from corrosion.
  • The technical constitution of the sole of the air circulating and shock absorbing shoes in accordance with the present invention is described in detail herein below.
  • The sole (A) of the air circulating and shock absorbing shoe in accordance with the 1st exemplary embodiment of the present invention, as shown in FIG. 12 through 18 b, which is comprised of the lower sheet (100) and upper sheet (200), is technically and substantially characterized by being formed with the 1st and 2nd air chambers (120)(130) which are formed at the front and rear of the said lower sheet (100) and interconnected with each other through a path (110); multiple concave grooves (140) formed inside the central top of the said lower sheet (100) and in the 1st air chamber (130); multiple suction holes (210) formed on the said upper sheet (200) and connected with the said 1st air chamber (120); multiple buffering projections (220) on the bottom of the upper sheet (200) to fit with the said concave grooves (140) and vertically embedded with springs (220 a); pressing projections (230) on top of the said buffering projections (220) which receive the elastic force of the springs (220 a); multiple cushion projections formed on the rear top of the said upper sheet (200); buffering member (300) incorporated Inside the said 2nd air chamber (130); the 1st check valve (400) formed in front of the 2nd air chamber (130) to open and close the path (110); and the 2nd check valve (500) installed at the rear of the said 2nd air chamber (130) which is connected with outside to exhaust air.
  • Here, the said sole (A) can be used in various types of shoes such as running shoes, leather shoes, sports shoes, golf shoes, combat shoes, mountain climbing shoes, and etc., and is comprised of the lower sheet (100) and upper sheet (200) in various sizes according to the sizes of the feet of the users.
  • The said path (110) is formed on center top of the lower sheet (100) and its both ends are connected with the 1st and 2nd air chambers (120)(130).
  • The said 1st air chamber (120) is formed at front top of the lower sheet (100) accommodating the buffering projection (220) of the upper sheet (200). Here, a desirable exemplary embodiment of the present invention is characterized with multiple wavy grooves (150) inside the said 1st air chamber.
  • The said 2nd air chamber (130) is formed at rear top of the lower sheet (100) and connected with the 1st air chamber via the path (110). In front of the said 2nd air chamber (130) is formed with the 1st check valve (400) which closes and opens the path (110) while walking, and in the rear of the 2nd air chamber (130) is formed with the 2nd check valve (500) which exhausts the air outside. Here, the said 2nd air chamber (130) is provided with the buffer member (300).
  • The said concave grooves (14) are formed inside the center top of the lower sheet (100) and inside the 1st air chamber (120), which are inserted with the bottom of the buffer projections (220).
  • The said wavy grooves (150) are formed inside the 1st air chamber (120) to is reduce the weight of the lower sheet (100) and circulate air while walking.
  • The said suction holes (210) are formed at the front part of the upper sheet (200) and connected with the 1st air chamber (120) formed on the lower sheet (100). Here, fresh air is introduced through the multiple suction holes (210) formed in the said upper sheet (200).
  • The said buffer projections (220) are projected from the bottom of the upper sheet (200) and inserted into the said concave grooves (140), and built-in the 1st air chamber (120) reducing the shock and circulating air while walking. Therefore, when the upper sheet (200) is pressed by the toe, the buffer projections (220) are compressed absorbing the impact.
  • The said springs (220 a) are embedded in the buffer projections (220) to provide the buffer projections with elasticity to increase bouncing force, and to be protected from corrosion.
  • The said springs (220 a) which are embedded in the buffer projection (220) improve bouncing force by providing the buffer projections (220) with elasticity. Here, the springs (220 a) are protected from corrosion because they are embedded in the buffer projections (220).
  • The said pressing projections (230) are protruded from the top of the buffer projections (220), receiving the elasticity of the springs (220 a), giving massaging effect on the foot with the force of springs (220 a).
  • The said cushion projections (240) are formed on rear top of said upper sheet (200) receiving and mitigating the impact of walking.
  • The said buffer member (300) is incorporated inside the 2nd air chamber (130), absorbing the impact of walking and circulating air.
  • According to an exemplary embodiment of the present invention, as shown in the FIGS. 13, 14, 16 a and 16 b, said buffer member (300) is characterized by being comprised of a combination of two wrinkled tubes (310) and positioned on both sides of the 2nd air chamber (130), and the springs (320) are built-in the said wrinkled tubes (310) sealed in vacuum to increase bouncing force and be protected from corrosion.
  • According to an exemplary embodiment of the present invention, as shown in the FIGS. 18 a and 18 b, the said buffer member (300) is characterized by being formed integrally on the rear bottom of the upper sheet (200), comprised of multiple buffer projections (330) and the springs (340) embedded in the buffer projections (330). Here, the springs (320) are built-in the said buffer projections (330) to increase bouncing force and be protected from corrosion.
  • The said 1st check valve (400) is formed at the front of the said 2nd air chamber (130) to close the path (110) when the 2nd air chamber is compressed and open the path (110) when the 2nd air chamber is expanded.
  • The said 2nd check valve (500) is formed at the rear of the 2nd air chamber in connection with outside to exhaust air. The said 2nd check valve (500) is opened to exhaust air outside when the 2nd air chamber (130) is compressed and closed when the 2nd air chamber (130) is expanded. Here, though the drawings only show the 2nd check valve (500) installed at the rear of the 2nd air chamber (130), it should be clarified that, in other embodiments in accordance with the present invention, the 2nd check valve (500) can be installed at any side of the 2nd air chamber (130).
  • The details of the overall operation of the sole of air circulating and shock absorbing shoe in accordance with the 1st exemplary embodiment of the present invention is described herein below.
  • When the shoes are not worn nor walked, the 1st and 2nd air chambers (120)(130) maintain expanded status due to the elasticity of the buffer projections (220) and buffer member (300).
  • When the sole (A) in accordance with the present invention is inserted into a shoe and walked or run, the said 1st and 2nd air chambers (120)(130), buffer projections (220) and buffer member (300) are compressed and expanded in turns to provide buffering effect and air circulation.
  • Firstly, as shown in FIG. 17 a, when the upper sheet (200) is pressed by heel, the 2nd air chamber (130) is compressed, followed by the compression of the wrinkled tubes (310) of the buffer member (300) and springs (320) absorbing shock, and at the same time, the air compressed in the 2nd air chamber (130) is exhausted outside through the 2nd check valve, and the pressure of the air compressed in the 2nd air chamber (130) pushes the 1st check valve (400) against the path (10) closing the path (110).
  • Next, as shown in FIG. 17 a, when the upper sheet (200) is pressed by toe, the 1st air chamber (120) is compressed, followed by the compression of the buffer projections (220) and springs (220 a) absorbing the shock. At the same time, the 1st check valve (500) is opened by the air compressed in the 1st air chamber and exhausted through the path (110)
  • On the other hand, as shown in FIG. 17 c, when the foot is lifted up from the ground, the 1st and 2nd air chambers (120)(130) are expanded back by the dynamic stability of the buffer projections (220) and buffer member (300), followed by the expansion of the wrinkled tubes (310) of the buffer member (300) and springs (320), causing suction force in the 2nd air chamber (130), and at the same time, because the 1st check valve (400) is opened by the said suction force, making the 2nd and 1st air chambers (130)(120) connected through the path (110), and the 2nd check valve (500) maintains closed state.
  • In addition, the 1st air chamber (120), buffer projections (220) and springs (220 a) are expanded providing suction force, introducing fresh air into the 1st air chamber (120) through the suction holes (210) in the upper sheet (200), which flows into the 2nd air chamber (130) through the path (110), maintaining air circulation in the sole (A) while walking or running.
  • Therefore, since the sole (A) of the air circulating and shock absorbing shoe in accordance with the 1st exemplary embodiment of the present invention provides excellent cushion effect due to the buffering capability, reducing fatigue of feet when walking or running, promoting health by structurally increasing the quantity of motion, and preventing various geriatric diseases caused by lack of exercise.
  • In addition, the sole (A) of the air circulating and shock absorbing shoe in accordance with the present invention enables ventilation with fresh air in the shoes while walking or running, removing odor, preventing athlete's foot and allowing users to wear the shoes pleasantly over a long time.
  • In addition, the present invention can reduce the weight of the lower sheet (100) with the multiple wavy grooves (150) formed inside the 1st air chamber (120), protect the springs (220 a)(320) embedded inside the buffer projections (220) and wrinkled tubes (310) from corrosion, allowing higher bouncing force, and provide massaging effect to feet with the multiple pressing projections (230) formed on the upper sheet (200).
  • The sole (B) of the air circulating and shock absorbing shoe in accordance with the 2nd exemplary embodiment of the present invention, as shown in FIGS. 19 through 27 c, which is consisted with the lower sheet (1000) and upper sheet (2000), is characterized by being comprised of; a buffer space (1100) formed on top of the lower sheet (1000) containing the cushion member (3000); multiple nuts (4000) embedded to penetrate vertically at the front and rear parts of the said buffer space (1100); multiple vertical insertion holes (3100) formed in the cushion member (3000) facing the said nuts (4000); buffer devices (5000) embedded in the said insertion holes (3100) incorporated with vertically embedded springs (5100); cap screws (6000) jointed with the said nuts (4000); multiple front and rear wavy grooves (3200)(3300) formed at the front and rear parts of the said cushion member (3000), respectively, and connected with connecting grooves (3210)(3310); path (3400) connecting the said front and rear wavy grooves (3200)(3300); 1st and 2nd check valves (7000)(8000) formed at the said path (3400) and the rear part of the lower sheet (1000) respectively; and multiple suction holes (2100) formed at the front part of the said upper sheet (2000) and connected with the front wavy grooves (3200).
  • Here, the said sole (B) can be used in various types of shoes, such as running shoes, leather shoes, sports shoes, golf shoes, combat boots, mountain climbing shoes, and etc., and comprised of upper and lower sheets (2000)(1000), made in various sizes according to the feet size of the users.
  • The said buffer space (1100), as shown in FIG. 20, is formed along the lower sheet (1000) lengthwise, containing a cushion member (3000) which absorbs the shock of walking or running and circulates air. Here, multiple nuts (4000) are extrusion molded at the front and rear parts of the buffer space (1100), vertically.
  • The said suction holes (2100) are formed at the front part of the upper sheet (2000), which are connected with the front wavy grooves (3200) formed in the cushion member (3000), introducing fresh air while walking or running.
  • The said cushion member (3000) formed in the buffer space (1100) of the lower sheet (1000) absorbs shock and circulates air, made of soft, elastic material, and formed with multiple insertion holes (3100), multiple front and rear wavy grooves (3200)(3300), and path (3400). Here, the said cushion member (3000) is formed in correspondence with the buffer space, as shown in the figures.
  • The said insertion holes (3100) are formed vertically in the cushion member (3000) facing the nuts (4000), incorporated with buffer devices (5000) which absorbs shock while walking or running.
  • The said front and rear wavy grooves (3200)(3300) are, as shown in FIG. 23, formed at front and rear top of the cushion member (3000), connected by connecting grooves (3210)(3310) and path (3400) The rear wavy groove (3300) is connected with the 2nd check valve (8000) as illustrated. The front and rear wavy grooves (3200)(3300) circulate air when walking or running and reduce the weight of the cushion member (3000).
  • The said path (3400) is, as shown in FIG. 23, formed on center top of the cushion member (3000), with both ends connected with the front and rear wavy grooves (3200)(3300) respectively, and installed with the 1st check valve (7000).
  • The said nuts (4000) at the front and rear part of the said buffer space (1100), embedded penetrating vertically, and joint with cap screws (6000) with screws. The said nuts (4000) are injection molded in the buffer space.
  • The said buffer devices (5000) inserted in the insertion holes (3100) of the cushion member (3000) absorb shock and circulate air, made with soft elastic material, embedded with springs (5100) to give elasticity and bouncing force, as shown in FIGS. 252 a and 25 b, and the springs (5100) are protected from corrosion by being embedded in the buffer devices (5000).
  • Concave grooves (5200)(5300) are formed at the center top and bottom of the said buffer devices (5000), and projections (2200)(6100) are formed on the bottom of the said upper sheet (2000) and top of the cap screws (6000), which are inserted into the said concave grooves (5200)(5300).
  • The said cap screws (6000) joint, but separable, with the nuts (4000) supporting the buffer devices (5000), for easy replacement of the buffer devices (5000), and on the bottom of the cap screws (6000) are formed the grooves (6010), as shown in FIG. 26 b, for the tools used to assembling and disassembling of the buffer devices. Therefore, the buffer devices (5000) can be easily replaced when necessary, e.g., to meet the weight of the user or to control the strength according to the load distribution on the sole.
  • The said 1st check valve (7000) installed in the path (3400) of the cushion member (3000) opens the path (3400), while walking, when the rear wavy grooves (3300) of the cushion member (3000) is expanded, and closes the path (3400) when the rear wavy grooves (3300) of the cushion member (3000) is compressed. In the path (3400) of the said cushion member (3000) is formed with the valve installation groove (3410) for the 1st check valve.
  • The said 2nd check valve (8000) is installed at the rear part of the lower sheet (1000) to exhaust air. When the rear wavy groove (3300) of the cushion member (3000) is compressed, it exhausts air out, and when the rear wavy groove (3300) of the cushion member (3000) is expanded, the 2nd check valve is closed to cut off air exhaustion. In the rear part of the said lower sheet (1000), a valve installation groove (1200) is formed to fit with the 2nd check valve (8000)
  • The overall operational relations of the sole of air circulating and shock absorbing shoe of the 2nd exemplary embodiment in accordance with the present invention are described herein below.
  • When the shoe inserted with the said sole (B) is not worn, the front and rear wavy grooves (3200)(3300) maintain expanded state by the elasticity of the buffer devices (5000).
  • When the shoe with the sole (B) is worn, the front and rear wavy grooves (3200)(3300) and the buffer devices (5000) absorb shock and circulate air by being compressed and expanded in turns, while walking or running.
  • Firstly, as shown in FIG. 27 a, when the upper sheet (2000) is pressed by heel, the rear wavy grooves (3300) of the cushion member (3000) is compressed, followed by the compression of the buffer device (5000) at the rear of the cushion member (3000), absorbing shock. At the same time, the air compressed in the rear wavy grooves (3300) is exhausted via the 2nd check valve (8000), and the path (3400) of the cushion member (3000) is closed because the 1st check valve (7000) is closed by the pressure of the compressed air.
  • Next, as shown in FIG. 27 b, when the upper sheet (2000) is pressed by toe, the front wavy grooves (3200) of the cushion member (3000) is compressed, followed by the compression of the buffer device (5000) at the front of the cushion member (3000), absorbing shock, and the 1st check valve (7000) is opened. because the compressed air is exhausted through the path (3400) of the cushion member (3000).
  • When the foot is lifted from the ground, as shown in FIG. 27 c, the front and rear wavy grooves (3200)(3300) of the cushion member (3000) expand to their original shape by the dynamic stability of the buffer devices (5000), causing suction force in the rear wavy grooves (3300), in addition to the suction force caused by the restoration of the front wavy grooves (3200) and buffer devices (5000), enabling fresh air being introduced into the front wavy grooves (3200) through the suction holes (2100) of the upper sheet (2000), and flows into the rear wavy grooves (3300) through the 1st check valve (7000), resulting in the circulation of air in the sole (B).
  • Therefore, since the sole (B) of the air circulating and shock absorbing shoe in accordance with the 2nd exemplary embodiment of the present invention provides excellent cushion effect due to the buffering capability, reducing fatigue of feet when walking or running, promoting health by structurally increasing the quantity of motion, and preventing various geriatric diseases caused by lack of exercise.
  • In addition, the sole (B) of the air circulating and shock absorbing shoe in accordance with the present invention enables ventilation with fresh air in the shoes while walking or running, removing odor, preventing athlete's foot and allowing users to wear the shoes pleasantly for a long time.
  • In addition, as mentioned above, the cap screws (6000) are jointed, but separable, with the nuts (4000) to enable easy replacement of the buffer devices (5000) when necessary, or to meet the weight of the user, or to control the strength according to the load distribution.
  • In addition, according to the present invention, the springs (5100) are protected from corrosion by being embedded in the buffer devices (5000).
  • INDURSTRIAL APPLICABILITY
  • The air circulating and shock absorbing shoes and soles in accordance with the present invention can reduce feet fatigue by absorbing the impact of walking and running, promote health by increasing the quantity of motion, enable smooth air circulation removing odor and preventing athlete's foot and pleasant wearing of shoes for a long time.

Claims (10)

  1. 1. For the shoes having outsole, midsole, and insole, an air circulating and shock absorbing shoes characterized by being comprised of; buffer space formed on top of the outsole and accommodates a cushion member; multiple nuts embedded to vertically penetrate the front and rear parts of the said buffer space; multiple insertion holes vertically formed in the said cushion member facing the said nuts; buffer devices embedded in the said insertion holes and incorporates vertically embedded springs; cap screws jointed with said nuts; multiple front and rear wavy grooves formed at the front and rear part of said cushion member and connected with connecting grooves; a path connecting said front and rear wavy grooves; 1st and 2nd check valves installed in said path and rear part of the outsole; and multiple inlet holes formed at front part of the midsole and insole and connected with the front wavy grooves.
  2. 2. An air circulating and shock absorbing shoes in accordance with claim 1, wherein, the shoes are characterized by being formed with concave grooves at center top and bottom of said buffer devices and projections, formed on the bottom of the midsole and top of said cap screw, which are fitted with said concave grooves.
  3. 3. An air circulating and shock absorbing shoes in accordance with claim 1, wherein, the shoes are characterized by being formed with anti-slip projections on the bottom of said cap screws.
  4. 4. An air circulating and shock absorbing shoes in accordance with claim 1, wherein, the shoes are characterized by being formed with multiple pressing projections and cushion projections at the front and rear top of the midsole, respectively, and the insole is formed with multiple cut-offs corresponding with said pressing and cushion projections, and top of the insole is attached with spun cloth.
  5. 5. An air circulating and shock absorbing sole, which is comprised of lower sheet and upper sheet, characterized by being formed and installed with; 1st and 2nd air chambers formed at front and rear top of the lower sheet and interconnected by a path; multiple concave grooves formed inside the center top of the lower sheet and the 1st air chamber; multiple inlet holes formed in the upper sheet and interconnected with the 1st air chamber; multiple buffer projections protruding from the bottom of the upper sheet to be fit into the said concave grooves, and embedded with vertical springs; pressing projections on top of said buffer projections, receiving the elastic force of the springs; multiple cushion projections formed at the rear top of the upper sheet; buffer member incorporated inside the 2nd air chamber; 1st check valve in front of the 2nd air chamber to open and close the path; and 2nd check valve at rear of the 2nd air chamber, connected with outside to exhaust air.
  6. 6. An air circulating and shock absorbing sole in accordance with claim 5, wherein, the sole is characterized by being formed with multiple wavy grooves inside the said 1st air chamber.
  7. 7. An air circulating and shock absorbing sole in accordance with claim 5, wherein, the sole is characterized by being formed with said buffer members, integrating two wrinkled tubes, which are positioned on both sides of said 2nd air chamber and springs which are embedded and sealed inside said wrinkled tubes.
  8. 8. An air is circulating and shock absorbing sole in accordance with claim 5, wherein, the sole is characterized by being formed with said buffer member who is formed integrally at rear bottom of the upper sheet, having multiple buffer projections and the springs embedded in said buffer projections.
  9. 9. An air circulating and shock absorbing sole, which is comprised of lower sheet and upper sheet, wherein the sole is characterized by being formed and installed with; buffer space formed on top of the lower sheet to accommodate a cushion member; multiple nuts embedded in the front and rear of said buffer space penetrating it vertically, multiple vertical insertion holes in the cushion member facing said nuts; buffer devices in said insertion holes having vertically embedded springs; cap screws jointed with said nuts; multiple front and rear wavy grooves formed at the front and rear parts of said cushion member, respectively, and interconnected with connecting grooves; path connecting the front and rear wavy grooves; 1st and 2nd check valves installed in said path and rear part of the lower sheet; and multiple inlet holes formed at the front of the upper sheet and interconnected with the front wavy grooves.
  10. 10. An air circulating and shock absorbing sole in accordance with claim 9, wherein the sole is characterized by being formed with; concave grooves on center top and bottom of said buffer devices; and projections on top of said cap screws to be fit into said concave grooves.
US12085278 2006-06-20 2007-06-19 Shoes and Shoes Insole Capable of Buffering Shock by Air Circulation Abandoned US20090282704A1 (en)

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KR10-2006-0055200 2006-06-20
KR20060055200A KR100688389B1 (en) 2006-06-20 2006-06-20 Air circulate type an impact of shock-absorbing shoes
KR10-2006-0055199 2006-06-20
KR20060055199A KR100698959B1 (en) 2006-06-20 2006-06-20 Air circulate type an impact of shock-absorbing sole of shoes
PCT/KR2007/002969 WO2007148910A1 (en) 2006-06-20 2007-06-19 Shoes and shoes insole capable of buffering shock by air circulation

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US20090083995A1 (en) * 2007-09-29 2009-04-02 Hsieh Kan-Zen Sole
US20090234259A1 (en) * 2008-03-13 2009-09-17 Ian James Hardman Foot manifolds, apparatuses, systems, and methods for applying reduced pressure to a tissue site on a foot
US20100223817A1 (en) * 2009-03-05 2010-09-09 Chiu Wang Chang Shoe sole with ventilation
US20110192056A1 (en) * 2010-02-05 2011-08-11 Deckers Outdoor Corporation Footwear including a self-adjusting midsole
WO2012008636A1 (en) * 2010-07-12 2012-01-19 Park Soo-Hyun Shoes having an air circulation function
US20120266494A1 (en) * 2011-04-20 2012-10-25 Wealth Leader Enterprise Ltd. Waterproof sole with high air and vapor permeability
JP2013536707A (en) * 2010-09-03 2013-09-26 ダブリュ.エル.ゴア アンド アソシエーツ,ゲゼルシャフト ミット ベシュレンクテル ハフツングW.L. Gore & Associates, Gesellschaft Mit Beschrankter Haftung Method for producing shoes, the sole assembly for a shoe, the method and shoe manufacturing a sole assembly
US20140173837A1 (en) * 2012-10-11 2014-06-26 Neville Ka Shek Lee Method of producing sole for bending-actuated aerated footwear
US20140305009A1 (en) * 2013-04-16 2014-10-16 Torng-Haur Yeh Breathing Shoe
US20140331526A1 (en) * 2013-05-13 2014-11-13 Far East University Massaging shoe pad
US20150040424A1 (en) * 2013-08-08 2015-02-12 Chih-Fang Lo Sole device with air cushion function
US20150040425A1 (en) * 2013-08-09 2015-02-12 Linear International Footwear Inc. Air exhaust outsole for safety footwear
CN104436710A (en) * 2014-12-01 2015-03-25 桂林电子科技大学 Cooling device of doll
KR101528971B1 (en) * 2013-01-17 2015-06-15 최병환 A shoes having a funtion of cushioning
WO2016092353A1 (en) * 2014-12-12 2016-06-16 Harald Beck Modular insert system for shoe soles
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US9750300B2 (en) 2011-12-23 2017-09-05 Nike, Inc. Article of footwear having an elevated plate sole structure
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US20090083995A1 (en) * 2007-09-29 2009-04-02 Hsieh Kan-Zen Sole
US7818896B2 (en) * 2007-09-29 2010-10-26 Hsieh Kan-Zen Sole ventilation system
US8313449B2 (en) * 2008-03-13 2012-11-20 Kci Licensing, Inc. Foot manifolds, apparatuses, systems, and methods for applying reduced pressure to a tissue site on a foot
US20090234259A1 (en) * 2008-03-13 2009-09-17 Ian James Hardman Foot manifolds, apparatuses, systems, and methods for applying reduced pressure to a tissue site on a foot
US20130041333A1 (en) * 2008-03-13 2013-02-14 Kci Licensing, Inc. Foot manifolds, apparatuses, systems, and methods for applying reduced pressure to a tissue site on a foot
US9011353B2 (en) * 2008-03-13 2015-04-21 Kci Licensing, Inc. Foot manifolds, apparatuses, systems, and methods for applying reduced pressure to a tissue site on a foot
US20100223817A1 (en) * 2009-03-05 2010-09-09 Chiu Wang Chang Shoe sole with ventilation
US8074374B2 (en) * 2009-03-05 2011-12-13 Victoria Shoes Co., Ltd. Shoe sole with ventilation
US20110192056A1 (en) * 2010-02-05 2011-08-11 Deckers Outdoor Corporation Footwear including a self-adjusting midsole
WO2012008636A1 (en) * 2010-07-12 2012-01-19 Park Soo-Hyun Shoes having an air circulation function
US8978271B2 (en) 2010-07-12 2015-03-17 Soo Hyun Park Shoes having an air circulation function
JP2013536707A (en) * 2010-09-03 2013-09-26 ダブリュ.エル.ゴア アンド アソシエーツ,ゲゼルシャフト ミット ベシュレンクテル ハフツングW.L. Gore & Associates, Gesellschaft Mit Beschrankter Haftung Method for producing shoes, the sole assembly for a shoe, the method and shoe manufacturing a sole assembly
US20120266494A1 (en) * 2011-04-20 2012-10-25 Wealth Leader Enterprise Ltd. Waterproof sole with high air and vapor permeability
US9282782B2 (en) * 2011-04-20 2016-03-15 Wealth Leader Enterprise Ltd. Waterproof sole with high air and vapor permeability
US20140173837A1 (en) * 2012-10-11 2014-06-26 Neville Ka Shek Lee Method of producing sole for bending-actuated aerated footwear
KR101528971B1 (en) * 2013-01-17 2015-06-15 최병환 A shoes having a funtion of cushioning
US20140305009A1 (en) * 2013-04-16 2014-10-16 Torng-Haur Yeh Breathing Shoe
US20140331526A1 (en) * 2013-05-13 2014-11-13 Far East University Massaging shoe pad
US9332804B2 (en) * 2013-05-13 2016-05-10 Far East University Massaging shoe pad
US20150040424A1 (en) * 2013-08-08 2015-02-12 Chih-Fang Lo Sole device with air cushion function
US9144267B2 (en) * 2013-08-08 2015-09-29 Chih-Fang Lo Sole device with air cushion function
US20150040425A1 (en) * 2013-08-09 2015-02-12 Linear International Footwear Inc. Air exhaust outsole for safety footwear
CN104436710A (en) * 2014-12-01 2015-03-25 桂林电子科技大学 Cooling device of doll
WO2016092353A1 (en) * 2014-12-12 2016-06-16 Harald Beck Modular insert system for shoe soles
KR101830054B1 (en) 2017-08-01 2018-02-19 장창원 Soldier shoes

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