WO2008100575A2 - Improved ventilated and resiliant shoe apparatus and system - Google Patents
Improved ventilated and resiliant shoe apparatus and system Download PDFInfo
- Publication number
- WO2008100575A2 WO2008100575A2 PCT/US2008/001973 US2008001973W WO2008100575A2 WO 2008100575 A2 WO2008100575 A2 WO 2008100575A2 US 2008001973 W US2008001973 W US 2008001973W WO 2008100575 A2 WO2008100575 A2 WO 2008100575A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shoe
- air
- cavity
- sole
- heel
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/06—Footwear with health or hygienic arrangements ventilated
- A43B7/08—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures
- A43B7/082—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures the air being expelled to the outside
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B1/00—Footwear characterised by the material
- A43B1/0054—Footwear characterised by the material provided with magnets, magnetic parts or magnetic substances
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/18—Resilient soles
- A43B13/181—Resiliency achieved by the structure of the sole
- A43B13/182—Helicoidal springs
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B21/00—Heels; Top-pieces or top-lifts
- A43B21/24—Heels; Top-pieces or top-lifts characterised by the constructive form
- A43B21/30—Heels with metal springs
Definitions
- This invention pertains generally to wearable articles for the feet and more particularly to shoes where air is circulated through the sole and heel and out via a oneway valve and has a resilient heel formed inside a shock-absorbing cavity.
- Conventional shoes are often uncomfortable. They do not allow the wearer to walk or stand for long because they do not provide any cushion or resiliency for the pressure put on the feet. This lack of cushion causes pressure to be felt in the spine, knees, and other joints. Heels with recesses and springs are not new; however, none of the prior art attempts successfully cushions the wearer's feet to the extent of the instant invention. Conventional shoes also do not provide for the flow of fresh air throughout the inside of the shoe around the individual's foot.
- U.S. Patent No. 1,471,042 to Lewis (1923) discloses a shoe that uses coil springs internal to the defined heel. Lewis's shoe, however, uses metal plates (circular metal disks) above and below the coil spring(s) to help distribute pressure and also has no real cavity.
- U.S. Patent No. 2,257,482 to Resko (1941) discloses using lugs to better seat the coil spring in the defined heel, but still uses a metal reinforcing plate between the upper and lower soles to distribute pressure.
- U.S. Patent No. 3,886,674 to Pavia (1975) discloses a shoe having a plurality of springs in the non-defined heel. However, the heel is open and the springs are not enclosed. Further, there is still a metal plate above the springs, and the springs are all still located in the heelstrike area, so the wearer's foot still strikes against a hard surface.
- U.S. Patent 7,159,338 to LeVert et al. disclose a spring cushioned shoe with an inner vacuity that is connected by a passageway to an opening on the exterior of the shoe.
- the passageway opening described in the '338 patent is both an inlet and an outlet and thus undesirably allows fluids and other unwanted debris into the shoe to the discomfort of the wearer and associated problems from water and mold developing within the shoe.
- U.S. Patent 1,069,001 to Guy discloses a cushioned sole and heel that allows air or other fluids in through a check valve to serve as the cushioning medium.
- the present invention solves the above-mentioned problems in convention shoes by providing an improved ventilated and resilient shoe apparatus and system.
- the invention includes a novel shoe in one embodiment that is ventilated with external air.
- the apparatus and system circulate air around the wearer's foot without impacting the stability or comfort of an individual's walk. Circulating air throughout the shoe while an individual is walking provides an additional benefit that conventional shoes do not provide: reducing athlete's foot and foot odor. Conventional shoes do not allow the free flow of air throughout the inside of the shoe. Moisture and bacteria build up inside most conventional shoes, causing athlete's foot and making such shoes smell.
- the present invention provides that with every step, the individual is circulating fresh air throughout the shoe and around his foot. The result is a shoe interior that will not be a breeding ground for odor-causing bacteria. The wearer's feet will feel refreshed and better rested at the end of the day. Individuals may also find themselves walking longer distances in the improved shoes because their feet will feel more comfortable.
- the air thereafter circulates to an air suction valve in the heel and then is directed out to the exterior of the shoe through a one-air air exhaust valve and thereby ventilates the wearer's foot with free flowing air.
- the invention includes an air pump in the heel that operates with the one way air suction valve for air intake and operates to expel air through the one-way air exhaust valve.
- the invention includes an upper sole with a plurality of air suction holes or openings and a lower sole made from porous, air permeable material such as open cell foam or the like.
- the shoe includes bacteria fighting chemicals or other substances known to persons skilled in the art to reduce shoe odor.
- One embodiment of the invention includes a blended heel made from a resilient material and has a cavity extending under the entire instep portion of the shoe's upper.
- Compression springs are placed in the cavity, including a mainspring located at approximately the heelstrike point and two auxiliary springs for stability located forward of the mainspring toward the shoe's toe.
- the extended cavity provides even resiliency throughout the upper sole without having to resort to metal plates.
- the springs assist the resilient walls of the cavity, which extends under the instep portion of the shoe, in supporting the wearer's foot, and the spring's compression load is distributed throughout the sole by a resilient layer of softer rubber adjacent the sole.
- the blended heel of the invention extends under the sole in a wedge-type configuration.
- This extension provides arch support and resiliency at the shoe's instep,.or midsole.
- the heel includes a height enhancer to provide lift without the appearance of "elevator shoes.”
- This pad located under the heel portion also serves to distribute the load of the springs and provides that the entire shoe is lifted, not just the wearer's foot.
- the springs include a mainspring and two smaller auxiliary springs in front of and evenly spaced to the inside and outside of the mainspring.
- the mainspring offers lift to the wearer reducing, if not eliminating, pressure on the wearer's spine, knees, and other joints.
- the auxiliary springs offer stability and additional absorption of the pressure forces generated from walking and other activity.
- the springs are made from industrial grade aluminum spring material or many other suitable materials are within the scope of the invention. For example, instead of metallic springs, other spring members such as air balls or rubber balls could be used. The springs are aided by the resilient material itself that makes up the heel and the cavity walls.
- One embodiment of the invention includes a magnetic sleeve that serves to further enhance the well-being of the wearer.
- Such an insert uses magnetic therapy technology to offer the wearer the additional benefit of enhancing blood circulation in the heel, foot, and ankle areas. While embodiments and features of the invention have been described herein, other and additional embodiments will be apparent to persons skilled in the art from the attached figures and written disclosure herein.
- FIGURE 1 is a side cutaway view of one embodiment of the shoe with resilient sole having heel cavity and compression springs.
- FIGURE 2 is a top view of the heel area showing one possible configuration of compression springs.
- FIGURE 3 is a bottom detail view of a resilient plate with lower sole and springs
- FIGURE 4 is a side cutaway view of another embodiment of the shoe with resilient heel cavity and springs and showing ventilation of the inside sole.
- FIGURE 5 is a top cutaway view of the heel portion in one or more embodiments of the invention, again showing ventilation of the inside sole.
- FIGURE 6 is a top cutaway view of the upper sole in one or more embodiments of the invention.
- FIGURE 7 is a cutaway perspective view of a variation of a ventilation apparatus and system in one or more embodiments of the invention.
- FIGURE 8 is an exploded partial view of the upper sole, second sole and the bottom with the aeration channels in one or more embodiments of the invention.
- Figure 1 shows an embodiment of the shoe 10 with upper 14 and lower 16 joined along the upper sole 18 extending through the heel portion 20, instep portion 22, and toe portion 24.
- the blended heel 26 defines a cavity 28 that extends from the rearmost point of the heel portion 20 forward under the instep portion 22.
- the blended heel 26 is made from a resilient material, typically rubber so the cavity walls offer some resiliency, but other resilient materials known to persons skilled in the art are within the scope of the present invention.
- the mainspring 30 is positioned orthogonal to the longitudinal axis 12, as shown in Figure 2, and under the heelstrike point of the interior of the shoe.
- the mainspring 30 may be secured by lugs 36 (upper) and 38 (lower; not shown) set into recesses 40 and 42, and provides the majority of resilient force to the wearer's steps.
- Auxiliary springs 32 and 34 shown in Figure 2 add stability and enhanced resiliency.
- a magnetic sleeve 46 is included as shown in figure 1 to further enhance the well-being of the wearer with magnetic therapy.
- the pad 48 at the bottom of the blended heel 26 serves not only as a height-enhancer, but also helps to distribute the spring load throughout the heel portion 20 so that the entire shoe is lifted, not just the wearer's foot.
- Figure 2 shows one configuration of the springs.
- the mainspring 30 is located generally on the longitudinal axis 12 in the center of the shoe width, and the auxiliary springs 32 and 34 are located forward of the mainspring, toward the toe portion 24 and to either side of the longitudinal axis.
- the lateral spacing of the auxiliary springs 32 and 34 provides overall stability to the shoe and enhances the lift felt by the wearer.
- auxiliary springs 32 and 34 are to have them spaced evenly in front of the mainspring, equidistant from both the mainspring and the longitudinal axis, so that the wearer's ankle is not turned either inward or outward. Also in this configuration, the lift from the springs is directed upward to enhance the lift from the mainspring. On the other hand, strategic placement of the springs offset from each other may aid in the correction of pronation or other ankle alignment problems in other embodiments.
- Figure 3 shows the recesses 40, 52, 54 for the springs in one embodiment and also shows how there may be other recesses 56 (rectangular, circular, or of any other shape) built into the rubber material to aid in overall stability.
- the design of these various smaller recesses 56 may aid in air circulation within the heel cavity and may work in concert with an air pressure valve to help express air from the cavity on depression thereof.
- the shoe 10 includes a one-way air exhaust valve 100 as shown in Figure 3 whereby air is expelled out the valve 100 when the heel 20 is compressed and the volume of the cavity 28 is reduced.
- the valve 100 is a one-way valve so that water or other unwanted debris is prevented from entering the cavity 28.
- the valve 100 is also such that air freely flows out rather than seeking a path in a forward direction through the sole as described in other embodiments herein.
- Figure 4 shows one embodiment where a load 80 is placed onto the shoe heel portion 20 so as to compress the mainspring 30 and the auxiliary springs 32 and 34 within the cavity 28.
- the cavity 28 is not sealed (and the one-way air exhaust or exit valve 100 not present), and thus when the volume of the cavity 28 is reduced air is discharged in a forward direction towards the instep portion 22 and toe portion 24 and through the upper sole 18 as shown in Figure 4, which provides overall stability to the shoe and enhances the lift and fresh air feeling felt by the wearer.
- Figure 5 shows the air flow depicted in Figure 4 with arrows in one embodiment within the shoe 10 through a channel structure 82 and channel structure 84 to aeration channels 86 in the instep portion 22 and toe portion 24 of the shoe 10.
- Figure 6 illustrates an embodiment with the upper sole 18 includes a plurality of openings 18a to further facilitate the flow of air within the shoe 10.
- FIG. 7 illustrates another embodiment of a ventilated shoe of the present invention.
- an air pump 90 is provided in the cavity 28 in the heel portion 20, rather than the cavity 28 itself in conjunction with the one way valve 100 acting in a similar manner as described above.
- the air pump 90 is made of a conventional construction well known to persons skilled in the art and is not described in detail here.
- the air pump 90 is connected to the one-way air suction valve 92 as shown in Figure 7 and is also connected to the one-way air exhaust valve 100 also as shown in Figure 7.
- the one-way air suction valve 92 is adjacent to the air channel 82 and the air channel 84, although an intermediate connecting channel 94 can be provided to connect the air channels 82 and 84 to the one-way air suction valve 92.
- a waterproof ventilation valve 102 is provided on the exterior of the shoe 10 as shown in Figure 7 to further inhibit water or other debris from entering the shoe 10 or cavity 28.
- the air pump 90 operates so that when it is compressed, such as by a wearer's foot while walking, the air pump 10 is compressed which forces the air in the air pump 90 out through the valve 100.
- the air pump 90 expands, such as when the wearer lifts his foot and heel during a walking stride, air flows into the air pump 90 through the one-way air suction valve 92. Therefore, while walking at even a normal pace, the shoes and thus the feet of the individual wearing the inventive shoes are ventilated with fresh air.
- the air pump 90 could include a small thermoelectric device 91 to remove heat (or cold) and humidity from the inside of the shoe.
- Figure 8 illustrates an embodiment which includes a lower sole 150, made from open cell foam or equivalent materials well known to persons skilled in the art, positioned between the upper sole 18 and the aeration channels 86 to further facilitate the flow of air within the shoe 10 with the upper sole 18 having a plurality of openings 18a as shown in Figure 8.
- the lower sole 150 could be made of generally air impervious material having one or more large holes for air to pass from the lower 16 up through the upper sole 18.
Abstract
Description
Claims
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US88972507P | 2007-02-13 | 2007-02-13 | |
US60/889,725 | 2007-02-13 | ||
US11/804,803 | 2007-05-21 | ||
US11/804,803 US20080189986A1 (en) | 2007-02-13 | 2007-05-21 | Ventilated and resilient shoe apparatus and system |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2008100575A2 true WO2008100575A2 (en) | 2008-08-21 |
WO2008100575A3 WO2008100575A3 (en) | 2010-03-11 |
Family
ID=39684628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2008/001973 WO2008100575A2 (en) | 2007-02-13 | 2008-02-15 | Improved ventilated and resiliant shoe apparatus and system |
Country Status (2)
Country | Link |
---|---|
US (1) | US20080189986A1 (en) |
WO (1) | WO2008100575A2 (en) |
Families Citing this family (20)
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KR100758023B1 (en) * | 2006-12-21 | 2007-09-11 | (주)한신코리아 | Insole with shock-absorbing function and manufacturing method thereof |
US20100095553A1 (en) * | 2007-02-13 | 2010-04-22 | Alexander Elnekaveh | Resilient sports shoe |
US20100139127A1 (en) * | 2008-12-08 | 2010-06-10 | Wen-Hung Huang | Shoe sole with air ventilation device |
US20100251571A1 (en) * | 2009-04-07 | 2010-10-07 | Steven Paul Woodard | Shoe suspension system |
KR100920630B1 (en) * | 2009-04-16 | 2009-10-08 | 강형철 | Sole for a shoe shifting shocking absorber body |
BRPI1005933A2 (en) * | 2010-02-05 | 2019-09-24 | Rudolfovich Shirokikh Mark | gravitational footwear (variants) and spring block |
DE202010016915U1 (en) * | 2010-12-23 | 2012-04-02 | Puma Aktiengesellschaft Rudolf Dassler Sport | Shoe, in particular sports shoe |
KR101035380B1 (en) * | 2011-02-09 | 2011-05-20 | 이태호 | A spring shoes with an elasticity |
CN103622207B (en) * | 2012-08-27 | 2015-07-15 | 蔡超 | Wireless control spring shoe |
KR101376957B1 (en) * | 2012-09-29 | 2014-03-21 | 원준연 | The ventilation shoes, which pump by using heel insert |
MX350919B (en) * | 2013-05-23 | 2017-09-22 | Zavala Riva Palacio Manuel | Shoe with shock-absorber in the heel. |
US10959487B2 (en) * | 2013-07-15 | 2021-03-30 | B&B Technologies L.P. | Quick change shock mitigation outsole insert with energy harvester |
US20150013191A1 (en) * | 2013-07-15 | 2015-01-15 | B&B Technologies L.P. | Quick Change Shock Mitigation Outsole Insert with Debris Shield |
US10786036B2 (en) | 2016-07-25 | 2020-09-29 | Tak Shun Cheung | Mechanical ventilation system and device for footwear |
KR102294768B1 (en) | 2017-05-18 | 2021-08-30 | 나이키 이노베이트 씨.브이. | Articulated Cushion Articles Having Tensile Components and Methods of Making Cushioning Articles |
CN114983090A (en) | 2017-05-18 | 2022-09-02 | 耐克创新有限合伙公司 | Hinged cushion with tension members and method of making same |
RU2673310C1 (en) * | 2018-04-02 | 2018-11-23 | Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" (УрФУ) | Shoe amortizing element |
IT201900004763A1 (en) * | 2019-03-29 | 2020-09-29 | E Novia S P A | Dynamic sole for footwear |
USD938153S1 (en) * | 2021-02-02 | 2021-12-14 | Nike, Inc. | Shoe |
CN114223995B (en) * | 2021-12-30 | 2024-02-13 | 扬州飞亚力体育用品有限公司 | High-elasticity functional fiber ankle guard |
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2007
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2008
- 2008-02-15 WO PCT/US2008/001973 patent/WO2008100575A2/en active Application Filing
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Also Published As
Publication number | Publication date |
---|---|
WO2008100575A3 (en) | 2010-03-11 |
US20080189986A1 (en) | 2008-08-14 |
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