US20130291404A1 - Recovery shoe - Google Patents
Recovery shoe Download PDFInfo
- Publication number
- US20130291404A1 US20130291404A1 US13/463,286 US201213463286A US2013291404A1 US 20130291404 A1 US20130291404 A1 US 20130291404A1 US 201213463286 A US201213463286 A US 201213463286A US 2013291404 A1 US2013291404 A1 US 2013291404A1
- Authority
- US
- United States
- Prior art keywords
- shoe
- sole
- heel
- correctional
- struts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
- A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
- A43B7/142—Footwear with health or hygienic arrangements with foot-supporting parts 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 medial arch, i.e. under the navicular or cuneiform bones
-
- 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
- A43B13/143—Soles; Sole-and-heel integral units characterised by the constructive form provided with wedged, concave or convex end portions, e.g. for improving roll-off of the foot
- A43B13/145—Convex portions, e.g. with a bump or projection, e.g. 'Masai' type shoes
-
- 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
- A43B13/187—Resiliency achieved by the features of the material, e.g. foam, non liquid materials
-
- 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
- A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
Definitions
- This invention relates to the field of footwear, more particularly corrective running athletic shoes, designed to provide gait correction, proper shock absorption, and the ability to minimize running injuries.
- Running varying from everyday exercise running to cross country running, track season running and the like, is known to cause repetitive stress injuries, particularly for long distance runners. Injuries may vary from ligament stress, to muscle stress, to actual stress fractures. In fact, reports show that at least 60% of runners are nursing some sort of injury at any given time.
- the difference in the correctional shoe and shoes such as Earth® Shoes is that the correctional running shoe is more aggressively designed with the front of the shoe actually thicker than the heel and with specially designed flexible struts in the arch or midsole section, all to encourage the runner to touch down the toe first instead of the heel.
- Another primary objective of the invention is to provide a corrective shoe that is more effective than any before for converting a heel striker to a toe striker, all with less muscle stress and ligament stress during the corrective period.
- An even further objective of the present invention is to use force deflecting struts in the mid sole area or arch area of a running shoe in order to provide maximum flexibility in the mid sole area under the arch of the wearer's foot.
- This shoe therefore differs considerably from regular standard heel to toe drop on regular running shoes, which is usually 1 ⁇ 2′′ making it difficult to hit the heel portion of the shoe first, and making it easier for runners who wear such a shoe and to convert themselves to the barefoot style of toe strike first.
- the present invention relates to a correctional shoe designed to force a toe/heel running gait.
- the shoe has a conventional upper but a negative sole having a heel portion, a midsole portion, and a toe portion, all made from cushioned sole material.
- the heel portion has about 1 ⁇ 6 to about 1 ⁇ 3 less thickness than the toe portion, and the mid sole portion has a force deflector strut or struts to provide a maximum, flexible mid sole arch area under the wearer's foot.
- the result is a shoe which can be comfortably worn during training of a runner to be a toe striker rather than a heel striker without the usual stress of joints, ligaments, and muscles from wearing conventional heel strike running shoes while trying to retrain to a toe striker.
- FIG. 1 is a perspective view of a typical correctional shoe of the present invention.
- FIG. 2 is a drawing showing gait rest posture line of a person wearing the negative sole correctional shoe.
- FIG. 3 is a side view of the sole of the present invention.
- FIG. 4 is a bottom plan view of the sole of the present invention.
- FIG. 5 is a bottom perspective view of the sole with the incorporated midsole struts for maximum arch flexibility.
- FIG. 1 it shows a side view of a shoe 10 of the present invention having an upper 12 and a cushioned sole 14 .
- the cushioned sole 14 is made of conventional running shoe cushioning materials.
- the sole may include or be made from Ethyl Vinyl Acetate (EVA), some portions of it, such as an outer sole made from rubber.
- EVA Ethyl Vinyl Acetate
- Suitable soles and sole constructions for use as sole 14 are illustrated in U.S. Pat. No. 6,026,593, which is incorporated herein by reference. This invention is not the polymeric cushion sole material, but the construction or design of it.
- FIG. 2 shows the sole 14 of the present shoe under the foot of a person 16 to show the effect on the posture line 18 .
- the sole 14 is a so-called negative sole, that is to say it is lower at the heel 20 than at the toe portion 22 .
- the result of this is a natural standing posture, as illustrated in FIG. 2 .
- FIGS. 3 and 4 show respectively a side view of the sole only and in FIG. 4 , a plan view of the sole only.
- the sole 14 has a negative tilt to it.
- the heel portion 20 can generally have a thickness of 20 mm to 30 mm, preferably 20 mm to 25 mm.
- the toe portion 22 of the correctional shoe 10 can generally have a thickness of from about 30 mm to 45 mm, preferably 30 mm to 35 mm.
- the midsole 24 has at least two struts, here three, 26 , 28 , and 30 (three depicted) embedded in the midsole 24 and oriented along the long axis of the shoe 10 .
- the struts 26 , 28 , and 30 can be rib-like structures, c-shaped from a side view, s-shaped from a side view, or smooth or wavy, as deemed most appropriate. Generally, this provides enhanced flexibility, i.e., the strut as seen from a side view has curvature providing a spring like action.
- FIG. 5 shows a bottom perspective view of the shoe and its sole with like parts similarly numbered.
- Some shoes may rather than use actual struts, currently available in the market, use impact air cushions in a similar manner to absorb shock and provided deflection and cushioning. These may be used in lieu of actual physical struts but serve the same purpose.
- force deflection struts is defined to include impact air cushions, shock cushions, and as well struts springs or any other deflection enhancing material embedded in the arch area of the sole 14 , including an embedded different polymer material from the rest of the sole.
- the posture line 18 is automatically assumed.
- the impact area under the arch i.e., midsole portion
- the corrective shoe encourages a fast cadence, focusing on lifting of your feet before landing, and a natural body bend to take advantage of the natural shock absorption of ankles, knees, and hips when the body is bent.
- the muscles of the legs and calves are gradually corrected without the usual immediate soreness and pain caused by switch over from heel strike to toe strike.
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
A correctional running shoe with an upper shoe attached to a negative sole having a heel, a specially designed flexible midsole, and a toe portion, all made from cushioned material. The heel has at least about 1/6 to about 1/3 less thickness than the toe portion so that the foot naturally rests with the toe inclined and the heel downward.
Description
- This invention relates to the field of footwear, more particularly corrective running athletic shoes, designed to provide gait correction, proper shock absorption, and the ability to minimize running injuries.
- Running, varying from everyday exercise running to cross country running, track season running and the like, is known to cause repetitive stress injuries, particularly for long distance runners. Injuries may vary from ligament stress, to muscle stress, to actual stress fractures. In fact, reports show that at least 60% of runners are nursing some sort of injury at any given time.
- It has been noticed that in European countries and the USA, most runners are heel strikers, that is they run heel to toe. In contrast, long distance barefoot runners from African nations are frequently forefoot strikers, that is to say they run toe to heel. It has been noticed that many of these African long distance runners, who actually prefer barefoot running (and who run as forefoot strikers) simply do not experience nearly the high level of repetitive stress injuries of heel striking runners.
- There is, however, great difficulty in converting runners from heel strikers to toe strikers. During the correctional period while the runner is attempting to change over to a primary forefoot striker, different muscles are used than normal and pain resulting therefrom usually results in abandonment of the project with the runner returning to the more common heel-strike-first method. Most, if not all current running shoes are designed for heel strikers.
- In the past, there have been some walking shoes that have so-called negative soles, that is to say, the sole is thicker at the toe than at the heel to encourage walking in perhaps a more healthful manner (see for example, U.S. D472,038 and U.S. Pat. No. 6,578,290). These shoes, however, sold under the trademark Earth® Shoes are not designed for athletic use, nor are they designed as a correctional shoe to encourage and enforce forefoot striking first running
- It is a primary objective of this invention to provide a correctional shoe that encourages a runner to land in the neighborhood of the tarsal-metatarsal joint, i.e., approximately at the base of the toes. The difference in the correctional shoe and shoes such as Earth® Shoes is that the correctional running shoe is more aggressively designed with the front of the shoe actually thicker than the heel and with specially designed flexible struts in the arch or midsole section, all to encourage the runner to touch down the toe first instead of the heel.
- Another primary objective of the invention is to provide a corrective shoe that is more effective than any before for converting a heel striker to a toe striker, all with less muscle stress and ligament stress during the corrective period.
- An even further objective of the present invention is to use force deflecting struts in the mid sole area or arch area of a running shoe in order to provide maximum flexibility in the mid sole area under the arch of the wearer's foot.
- This shoe therefore differs considerably from regular standard heel to toe drop on regular running shoes, which is usually ½″ making it difficult to hit the heel portion of the shoe first, and making it easier for runners who wear such a shoe and to convert themselves to the barefoot style of toe strike first.
- The present invention relates to a correctional shoe designed to force a toe/heel running gait. The shoe has a conventional upper but a negative sole having a heel portion, a midsole portion, and a toe portion, all made from cushioned sole material. The heel portion has about ⅙ to about ⅓ less thickness than the toe portion, and the mid sole portion has a force deflector strut or struts to provide a maximum, flexible mid sole arch area under the wearer's foot. The result is a shoe which can be comfortably worn during training of a runner to be a toe striker rather than a heel striker without the usual stress of joints, ligaments, and muscles from wearing conventional heel strike running shoes while trying to retrain to a toe striker.
-
FIG. 1 is a perspective view of a typical correctional shoe of the present invention. -
FIG. 2 is a drawing showing gait rest posture line of a person wearing the negative sole correctional shoe. -
FIG. 3 is a side view of the sole of the present invention. -
FIG. 4 is a bottom plan view of the sole of the present invention. -
FIG. 5 is a bottom perspective view of the sole with the incorporated midsole struts for maximum arch flexibility. - Referring to
FIG. 1 , it shows a side view of ashoe 10 of the present invention having an upper 12 and a cushioned sole 14. The cushioned sole 14 is made of conventional running shoe cushioning materials. For example, the sole may include or be made from Ethyl Vinyl Acetate (EVA), some portions of it, such as an outer sole made from rubber. Suitable soles and sole constructions for use as sole 14 are illustrated in U.S. Pat. No. 6,026,593, which is incorporated herein by reference. This invention is not the polymeric cushion sole material, but the construction or design of it. -
FIG. 2 shows the sole 14 of the present shoe under the foot of aperson 16 to show the effect on theposture line 18. As can be seen, the sole 14 is a so-called negative sole, that is to say it is lower at theheel 20 than at thetoe portion 22. The result of this is a natural standing posture, as illustrated inFIG. 2 . -
FIGS. 3 and 4 show respectively a side view of the sole only and inFIG. 4 , a plan view of the sole only. As shown, the sole 14 has a negative tilt to it. Theheel portion 20 can generally have a thickness of 20 mm to 30 mm, preferably 20 mm to 25 mm. Thetoe portion 22 of thecorrectional shoe 10 can generally have a thickness of from about 30 mm to 45 mm, preferably 30 mm to 35 mm. - Importantly, in order to provide flexibility in the arch area at a maximum level, the
midsole 24 has at least two struts, here three, 26, 28, and 30 (three depicted) embedded in themidsole 24 and oriented along the long axis of theshoe 10. - The
struts -
FIG. 5 shows a bottom perspective view of the shoe and its sole with like parts similarly numbered. - Some shoes may rather than use actual struts, currently available in the market, use impact air cushions in a similar manner to absorb shock and provided deflection and cushioning. These may be used in lieu of actual physical struts but serve the same purpose. As used herein, the term force deflection struts is defined to include impact air cushions, shock cushions, and as well struts springs or any other deflection enhancing material embedded in the arch area of the sole 14, including an embedded different polymer material from the rest of the sole.
- When the shoe is placed on the human wearer's foot and the person stands as indicated at 16, the
posture line 18 is automatically assumed. When running, the person will find it almost impossible to do anything but running toe strike first. For anything else they must assume awkward positions and/or risk tumbling. The impact area under the arch (i.e., midsole portion) provides enhanced flexibility to cushion and shock, lessening the strain in retraining the body and naturally more spring in the foot and ankle area, and less heel impact shock. - Like barefoot running, the corrective shoe encourages a fast cadence, focusing on lifting of your feet before landing, and a natural body bend to take advantage of the natural shock absorption of ankles, knees, and hips when the body is bent. Moreover, the muscles of the legs and calves are gradually corrected without the usual immediate soreness and pain caused by switch over from heel strike to toe strike.
- It therefore can be seen that the shoe accomplishes at least all of its stated objectives.
Claims (8)
1. A correctional running shoe, designed to force a toe/heel running gait, comprising;
an upper shoe attached to a negative sole having a heel portion, a midsole portion, and a toe portion, all made from cushioned sole material;
said heel portion having about ⅙ to about ⅓ less thickness than said toe portion; and
said midsole portion having force deflection struts to provide a maximum flexible midsole area under the arch of a wearer's foot.
2. The correctional running shoe of claim 1 wherein the heel portion has a thickness of about 20 mm to 30 mm.
3. The correctional shoe of claim 1 wherein the toe portion has a thickness of about 33 mm to about 45 mm.
4. The correctional shoe off claim 1 having a heel thickness of 20 mm to 25 mm and a toe portion thickness of 30 mm to 35 mm.
5. The correctional shoe of claim 1 wherein the midsole has at least two struts elements oriented along a long axis of the shoe sole.
6. The correctional shoe of claim 5 wherein the force deflection struts are selected from the group consisting of ribs of the cushioned sole material, separate embedded plate elements of a different material, impact air cushions, or embedded polymer material different than the rest of the sole.
7. The correctional shoe of claim 6 wherein the force deflection struts are selected from the shape of struts of c-shaped, s-shaped or wavy shaped struts.
8. A negative sole for a running shoe, comprising:
a negative sole having a heel portion, a midsole portion, and a toe portion, all made from cushioned sole material;
said heel portion having about ⅙ to about ⅓ less thickness than said toe portion; and
said midsole portion having force deflection struts to provide a maximum flexible midsole area under the arch of a wearer's foot.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US13/463,286 US20130291404A1 (en) | 2012-05-03 | 2012-05-03 | Recovery shoe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/463,286 US20130291404A1 (en) | 2012-05-03 | 2012-05-03 | Recovery shoe |
Publications (1)
Publication Number | Publication Date |
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US20130291404A1 true US20130291404A1 (en) | 2013-11-07 |
Family
ID=49511446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/463,286 Abandoned US20130291404A1 (en) | 2012-05-03 | 2012-05-03 | Recovery shoe |
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US (1) | US20130291404A1 (en) |
Cited By (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140325876A1 (en) * | 2013-05-02 | 2014-11-06 | Wolverine World Wide, Inc. | Sole assembly for article of footwear |
USD734927S1 (en) * | 2013-03-28 | 2015-07-28 | Asics Corporation | Footwear sole |
USD734928S1 (en) * | 2013-03-28 | 2015-07-28 | Asics Corporation | Footwear sole |
US20160007931A1 (en) * | 2013-04-05 | 2016-01-14 | Healbe Corporation | Method for determining a person's sleeping phase which is favourable for waking up |
US20160160077A1 (en) * | 2014-06-23 | 2016-06-09 | Carbon3D, Inc. | Three-dimensional objects produced from materials having multiple mechanisms of hardening |
USD778566S1 (en) * | 2015-12-29 | 2017-02-14 | Nike, Inc. | Shoe outsole |
USD838950S1 (en) * | 2018-05-21 | 2019-01-29 | Nike, Inc. | Shoe |
USD858963S1 (en) * | 2017-11-13 | 2019-09-10 | Nike, Inc. | Shoe |
USD866134S1 (en) * | 2018-09-13 | 2019-11-12 | Nike, Inc. | Shoe |
USD871035S1 (en) * | 2019-05-10 | 2019-12-31 | Nike, Inc. | Shoe |
USD877467S1 (en) * | 2018-07-09 | 2020-03-10 | Puma SE | Shoe sole |
USD887686S1 (en) * | 2018-07-09 | 2020-06-23 | Puma SE | Shoe sole |
USD889792S1 (en) * | 2019-08-08 | 2020-07-14 | Nike, Inc. | Shoe |
USD900450S1 (en) * | 2019-04-26 | 2020-11-03 | Nike, Inc. | Shoe |
USD900445S1 (en) * | 2019-04-26 | 2020-11-03 | Nike, Inc. | Shoe |
USD901864S1 (en) * | 2019-05-17 | 2020-11-17 | Nike, Inc. | Shoe |
USD901865S1 (en) * | 2019-06-06 | 2020-11-17 | Nike, Inc. | Shoe |
USD903992S1 (en) * | 2019-04-12 | 2020-12-08 | Nike, Inc. | Shoe |
USD909726S1 (en) * | 2019-04-26 | 2021-02-09 | Foot Care Store Inc. | Footwear sole |
USD912377S1 (en) * | 2019-07-23 | 2021-03-09 | Puma SE | Shoe |
USD915744S1 (en) * | 2019-09-06 | 2021-04-13 | Nike, Inc. | Shoe |
USD918552S1 (en) * | 2019-11-18 | 2021-05-11 | Nike, Inc. | Shoe |
USD923301S1 (en) * | 2019-09-23 | 2021-06-29 | Fuerst Group, Inc. | Outsole for a footwear article |
USD943259S1 (en) * | 2021-03-01 | 2022-02-15 | Nike, Inc. | Shoe |
USD948187S1 (en) * | 2021-06-09 | 2022-04-12 | Nike, Inc. | Shoe |
USD949532S1 (en) * | 2021-04-16 | 2022-04-26 | Nike, Inc. | Shoe |
USD949531S1 (en) * | 2021-04-16 | 2022-04-26 | Nike, Inc. | Shoe |
USD951615S1 (en) * | 2021-04-16 | 2022-05-17 | Nike, Inc. | Shoe |
USD952306S1 (en) * | 2020-07-02 | 2022-05-24 | Nike, Inc. | Shoe |
USD952997S1 (en) * | 2018-07-31 | 2022-05-31 | Nike, Inc. | Shoe |
USD956406S1 (en) * | 2021-07-22 | 2022-07-05 | Nike, Inc. | Shoe |
USD957800S1 (en) * | 2021-07-22 | 2022-07-19 | Nike, Inc. | Shoe |
USD1007828S1 (en) * | 2019-12-20 | 2023-12-19 | Salomon S.A.S. | Footwear article |
USD1010300S1 (en) | 2019-04-26 | 2024-01-09 | Nike, Inc. | Shoe |
USD1021362S1 (en) * | 2020-04-04 | 2024-04-09 | Ecco Sko A/S | Footwear |
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---|---|---|---|---|
USD734927S1 (en) * | 2013-03-28 | 2015-07-28 | Asics Corporation | Footwear sole |
USD734928S1 (en) * | 2013-03-28 | 2015-07-28 | Asics Corporation | Footwear sole |
US20160007931A1 (en) * | 2013-04-05 | 2016-01-14 | Healbe Corporation | Method for determining a person's sleeping phase which is favourable for waking up |
US20140325876A1 (en) * | 2013-05-02 | 2014-11-06 | Wolverine World Wide, Inc. | Sole assembly for article of footwear |
US11358342B2 (en) | 2014-06-23 | 2022-06-14 | Carbon, Inc. | Methods of producing three-dimensional objects from materials having multiple mechanisms of hardening |
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