WO2003001938A1 - Side entry footwear - Google Patents
Side entry footwear Download PDFInfo
- Publication number
- WO2003001938A1 WO2003001938A1 PCT/US2002/016577 US0216577W WO03001938A1 WO 2003001938 A1 WO2003001938 A1 WO 2003001938A1 US 0216577 W US0216577 W US 0216577W WO 03001938 A1 WO03001938 A1 WO 03001938A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- foot
- sole
- footwear
- region
- holder
- 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
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/1495—Footwear with health or hygienic arrangements with foot-supporting parts with arch-supports of the bracelet type
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B11/00—Footwear with arrangements to facilitate putting-on or removing, e.g. with straps
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/10—Low shoes, e.g. comprising only a front strap; Slippers
- A43B3/101—Slippers, e.g. flip-flops or thong sandals
- A43B3/102—Slippers, e.g. flip-flops or thong sandals leaving the heel of the foot bare
- A43B3/103—Slippers, e.g. flip-flops or thong sandals leaving the heel of the foot bare characterised by the attachment of the toestrap
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/12—Sandals; Strap guides thereon
- A43B3/122—Sandals; Strap guides thereon characterised by the attachment of the straps
Definitions
- the invention relates to footwear that may be donned and removed with minimum effort. More particularly, the invention relates to side entry footwear in which the foot enters and exits laterally through a side opening in the footwear.
- Footwear can generally be divided into two categories: those with fasteners and those without. Footwear with fasteners typically require manual fastening. This means bending over, reaching for the feet, and fastening (whether it be laces, Velcro, buckles, or other closures) using rather precise motor skills.
- the invention may include footwear having a sole with a toe region, a heel region, and first and second opposing lateral sides.
- An upper may be connected to the sole along at least a portion of the first lateral side and may be disconnected from the sole in an opening region along at least a portion of the second lateral side.
- a resilient foot holder is at least partially disconnected from the second side of the sole at the opening region to thereby permit lateral foot entry through the opening region.
- the foot holder may exert a holding force on the foot to help prevent the foot from slipping out of the opening region during walking.
- the foot holder may deform to permit the foot to slip out through the opening region in response to a lateral foot motion. While the resilient foot holder may be connected or disconnected from the sole, in a preferred embodiment it is connected to the sole along a first side of the sole.
- the footwear may include at least one protrusion extending from the sole.
- the protrusion is configured to engage another protrusion on an opposite foot of a wearer, to thereby assist the wearer in removing the footwear.
- the footwear may also include a heel holder to cooperate in preventing the foot from slipping out of the opening region during walking.
- a heel holder and the foot holder may include a curved surface such as a flipped-back lip for guiding the foot into the opening region.
- the flipped-back lip may be in the form of a loop and may have an outer radius that is greater than an inner radius.
- the foot holder may be curved to generally conform to a metatarsal portion of the foot.
- One or more of the foot holder and the heel holder may be made of a semirigid resilient material capable of deforming during entry and egress of a foot.
- the sole may include a peripheral ridge for at least partially surrounding the foot to assist in preventing the foot from slipping out of the opening region during walking.
- the sole may further include texture on a foot contacting surface. The texture may be oriented to make it easier for the foot to slip into the opening region than for the foot to exit the opening region.
- the invention in its broadest sense is not so limited. It may be configured for use by those without physical constraints, but who desire an alternative approach to footwear. Thus, the invention can be used in slippers, or in any other appropriate footwear product.
- Figure 1 is a perspective view of one example of footwear in accordance with the invention.
- Figure 2A is a dimensioned top view of the footwear of Figure 1 with the fabric of the upper removed;
- Figure 2B is a side view of the footwear of Figure 2A;
- Figure 3A is a perspective view of the foot holder illustrated in Figure 2A;
- Figure 3B is a dimensioned top view of the foot holder of Figure 3A;
- Figure 3C is a dimensioned front view of the foot holder of Figure 3A;
- Figure 3D is a dimensioned side view of the foot holder of Figure 3A;
- Figure 4A is a perspective view of the heel holder illustrated in Figure 2A;
- Figure 4B is a dimensioned top view of the heel holder of Figure 4A;
- Figure 4C is a dimensioned front view of the heel holder of Figure 4A;
- Figure 4D is a dimensioned side view of the heel holder of Figure 4A.
- Figure 5 is a top view of the orientation of a pair of footwear during the removal process in accordance with the invention.
- footwear 10 may include a sole 12 having a toe region 14 and a heel region 16. As illustrated in Figure 2A, the sole 12 may have first and second opposing lateral sides 18 and 20, respectively.
- the sole in its broadest sense, does not require any particular material for the sole, in a preferred embodiment, the sole is made up of lightweight material having a coefficient of friction sufficient to prevent slipping and being configured to absorb shock and/or force and substantially return to its original shape thereafter.
- One material that may be particularly suitable for the sole is polyurethane foam.
- a ridge 24 surrounds the perimeter of the sole.
- the ridge assists in preventing the foot from slipping out of the opening during walking.
- the ridge may only partially surround the periphery of the sole.
- the ridge may be divided into a series of disconnected sections. If the sole is made of polyurethane foam, the ridge 24 may be integrally molded into the sole. Alternatively, the ridge may be formed in an another suitable way. Depending on construction, comfort considerations, and design considerations, the invention may be practiced without ridge 24.
- the sole 12 curves slightly upward in the toe region 14 and the heel region 16.
- the bottom of the sole may include a texture or pattern to improve friction.
- a foot contacting portion of the sole 26 may include texture such as bumps to stimulate blood flow and to provide neural stimulation.
- the thickness of the sole on side 18 may be greater than the thickness on side 20 to aid in entry/egress of the foot.
- an upper connected to the sole along at least a portion of the first lateral side and being disconnected from the sole in an opening region along at least a portion of the second lateral side.
- upper 22 is connected to sole 12 along lateral first side 18 and is disconnected from sole 12 along a portion of second side 20.
- the disconnection of the upper from the sole defines opening region 28 generally extending from the toe region 14 toward the heel region 16.
- the upper 22 may be designed for esthetics and/or warmth.
- the upper may include layers of fabric stitched together. Interposed between the layers may be material somewhat less flexible than the outer fabric to give the footwear a measure of form. Padding may be stitched between layers of fabric to add comfort.
- opening region 28 is illustrated on lateral side 20 of the sole 12, it is within the scope of the invention to reverse the orientation of the upper and foothold 80 that the opening region is on the first lateral side.18 of sole 12.
- the interior layer of fabric may be designed with a directional grain.
- a directional grain may make it easier to slide the foot in one direction than in the opposite direction.
- the directional grain could be oriented to make donning easier than removal.
- a resilient foot holder located at least partially in a region of the upper and at least partially disconnected from the second side of the sole at the opening region to thereby permit lateral foot entry through the opening region, the foot holder for exerting a holding force on the foot to help prevent the foot from slipping out of the opening region during walking, and for deforming to permit the foot to slip out through the opening region in response to a lateral foot motion.
- resilient foot holder 30 extends over a region of the sole intermediate the toe region 14 and the heel region 16.
- An inside surface of foot holder 30 and a portion of the upper surface 26 of sole 12 define an envelope for a foot.
- foot holder 30 is made of a resilient material such as semi-rigid plastic.
- the plastic may, for example, be polyethylene having a nominal thickness of 5 mm.
- the invention in its broader sense, is not limited to any particular material for the foot holder. Any type of plastic, metal, composite, or other material having the requisite elastic properties may be used.
- foot holder 30 is connected to and extends from the sole at first side 18, and is disconnected from the sole at second side 20. Further details of the foot holder are illustrated in Figures 3A-3D.
- Figure 3A illustrates, in perspective view, three general regions of the foot holder: sole connection region 32, metatarsal region 34, and flipped-back lip region 36.
- Sole connection region 32 is designed to provide a connection to sole 12. The connection may be formed by embedding sole connection region 32 within the sole. In a broader aspect of the invention, the foot holder may connect to the sole in differing ways or may not directly connect to the sole.
- Metatarsal region 34 of the footholder 30 is curved to accommodate the upper curvature of the metatarsal bones in the foot.
- Flipped-back lip region 36 defines two radii 38 and 40. During donning of the footwear, radii 40 serves as a guide surface to direct the foot into the opening region 28.
- FIG. 3C illustrates a front view of the foot holder.
- the material of the foot holder 30 flexes, in part, at a connection region 44. This enables gap 42 to expand and accommodate the foot within the footwear.
- the gap 42 may diminish somewhat, at least with respect to a maximum aperture. Because the material of foot holder 30 is resilient, it will exert a holding force on the foot to prevent the foot from egress through gap 42. However, a lateral motion of the foot sufficient to overcome the holding force will permit egress of the foot.
- the size/existence of gap 42 may be a matter of design choice. For example, it may be that with the foot removed, the gap is non-existent.
- sole connection region 32 of foot holder 30 extends beneath the arch of the sole.
- the metatarsal region 34 curves forward in an area 44 in the center of the footwear. This forward curve 44 enables foot holder 30 to exert a holding force on the foot beyond the center line 48.
- the exemplary footwear illustrated in Figure 1 is constructed with a fabric upper designed in part for both warmth and aesthetics.
- the invention may be embodied within open footwear, such as a sandal.
- the finished good may have an appearance quite similar to the illustrations of Figures 2A and 2B.
- the upper and the foot holder may be one in the same component.
- the upper in footwear that includes an upper, depending on the materials selected and/or the design, the upper itself may serve as a foot holder, eliminating the need for a separate foot holder structure.
- the term “upper” may include a "foot holder”
- the term “foot holder” may include an upper, and the recitation of both does not necessarily require two separate structural elements.
- heel holder 50 located near the heel region 16.
- heel holder 50 may include a U-shaped structure for containing the heel of a wearer.
- a first leg 52 and a second leg 56 are joined by a linkage 54.
- linkage 54 is embedded within the sole 12 in the heel region 16, as is hidden from view in Figure 2A.
- heel holder 50 may have a curved surface such as flipped-back lip 58 defining radii 60 and 62.
- Radii 60 may be smaller than radii 62 for guiding a wearer's heel into the footwear. The greater diameter of radii 62 may assist in preventing the heel from slipping out through opening region 28 during walking.
- heel holder 50 is preferably made of a resilient material such as one of the same materials discussed above in connection with the foot holder 30.
- a series of perforations may be made in the material of the heel holder 50. These perforations may reduce weight and they may facilitate ventilation.
- the invention may be constructed with or without perforations, and similar perforations may be provided in the foot holder 30.
- a preferred embodiment of the invention is illustrated as including a heel holder 50, the invention, in its broadest sense, does not necessarily require a resilient heel holder. It is possible that a non-resilient material might be used for the heel holder, the heel holder might be eliminated in its entirety, or some other mechanism may be used to reduce heel slippage.
- the curved radii 40 of the foot holder is embedded within fabric portion 40' and the curved radii 58 of heel holder 50 is embedded within fabric region 58'. Regions 40' and 58' may cooperate to funnel or guide a foot into the footwear.
- the sole may have at least one protrusion extending therefrom, the protrusion being configured to engage another protrusion on an opposite foot of a wearer, to thereby assist the wearer in removing the footwear.
- sole 12 includes outwardly facing tabs 64 and 66, respectively located at the toe region 14 and heel region 16 of the sole 12. Tabs 64 and 66 are designed to facilitate removal of the footwear without requiring tactile control and without requiring the wearer to bend at the waist.
- the left shoe may be a mirror image of the right.
- tabs 64 and 66 are illustrated as outward facing, the invention, in its broadest sense is not so limited. The direction the tabs face might be reversed. In addition, any protrusion or other means of engaging the shoe of an opposite foot may be employed in connection with the invention. And in its broadest sense, the invention may not employ a mechanism for hands-free removal.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02756102A EP1411793A1 (en) | 2001-06-29 | 2002-06-17 | Side entry footwear |
CA2451805A CA2451805C (en) | 2001-06-29 | 2002-06-17 | Side entry footwear |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/893,908 | 2001-06-29 | ||
US09/893,908 US6578288B2 (en) | 2001-06-29 | 2001-06-29 | Side entry footwear |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003001938A1 true WO2003001938A1 (en) | 2003-01-09 |
Family
ID=25402321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2002/016577 WO2003001938A1 (en) | 2001-06-29 | 2002-06-17 | Side entry footwear |
Country Status (4)
Country | Link |
---|---|
US (2) | US6578288B2 (en) |
EP (1) | EP1411793A1 (en) |
CA (2) | CA2451805C (en) |
WO (1) | WO2003001938A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006055827A3 (en) * | 2004-11-18 | 2007-01-18 | Conexant Systems Inc | Systems and methods for adaptive vdsl with variable sampling frequency and time-domain equalizer |
FR2938158A1 (en) * | 2008-11-10 | 2010-05-14 | Benjamin Mahieddine | Sandal/thong type footwear, has front and rear straps fixed to sole, where rear strap presents rigidity for being suspended above sole to maintain foot and presents flexibility for ensuring fitting and unfitting of footwear |
EP2804501A4 (en) * | 2011-10-31 | 2016-03-23 | Yehuda Azoulay | Topless shoe |
US10765167B2 (en) | 2011-10-31 | 2020-09-08 | Yehuda Azoulay | Topless shoe |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060037217A1 (en) * | 2001-06-29 | 2006-02-23 | Noam Bernstein | Side entry footwear and methods of making |
JP3683881B2 (en) * | 2002-12-18 | 2005-08-17 | 有限会社フェアベリッシュ | A shoe whose upper can be opened and closed horizontally from the side with a slide fastener. |
US7178270B2 (en) * | 2003-10-21 | 2007-02-20 | Nike, Inc. | Engaging element useful for securing objects, such as footwear and other foot-receiving devices |
US7685746B2 (en) * | 2005-04-14 | 2010-03-30 | Tres Chicas, Llc | Pedicure boot |
US8769845B2 (en) * | 2011-01-18 | 2014-07-08 | Shu-Hua Lin | Shoe conveniently put on and taken off |
EP3531856B1 (en) | 2016-10-26 | 2022-05-04 | Nike Innovate C.V. | Hinged footwear sole structure for foot entry and method of manufacturing |
CN114304807A (en) | 2016-10-26 | 2022-04-12 | 耐克创新有限合伙公司 | Heel spring device for shoes |
CN113876075A (en) | 2016-10-26 | 2022-01-04 | 耐克创新有限合伙公司 | Upper component for an article of footwear |
WO2018102530A1 (en) * | 2016-11-30 | 2018-06-07 | Nike Innovate C.V. | Footwear heel structure |
US10499710B2 (en) | 2017-02-01 | 2019-12-10 | Nike, Inc. | Footwear with closing mechanism permitting easy donning and doffing |
US11304479B2 (en) | 2017-02-28 | 2022-04-19 | Nike, Inc. | Footwear with laceless fastening system |
US10758010B2 (en) | 2017-04-17 | 2020-09-01 | Nike, Inc. | Increased access footwear |
WO2018217561A1 (en) | 2017-05-23 | 2018-11-29 | Nike, Inc. | Footwear upper with lace-engaged zipper system |
CN114668212B (en) | 2017-05-23 | 2023-07-25 | 耐克创新有限合伙公司 | Rear-entry article of footwear with movable heel portion |
US10159310B2 (en) | 2017-05-25 | 2018-12-25 | Nike, Inc. | Rear closing upper for an article of footwear with front zipper to rear cord connection |
KR102354018B1 (en) | 2017-11-08 | 2022-01-21 | 나이키 이노베이트 씨.브이. | Articles of Footwear having a wrap around closure system and/or a foot wrap anchoring strap |
CN114365884A (en) | 2018-04-13 | 2022-04-19 | 耐克创新有限合伙公司 | Footwear fastening system |
USD853707S1 (en) | 2018-06-14 | 2019-07-16 | Nike, Inc. | Shoe |
USD854303S1 (en) | 2018-06-14 | 2019-07-23 | Nike, Inc. | Shoe |
USD840663S1 (en) | 2018-06-14 | 2019-02-19 | Nike, Inc. | Shoe |
US10455898B1 (en) | 2018-12-21 | 2019-10-29 | Nike, Inc. | Footwear article with tongue reinforcer |
US10617174B1 (en) | 2018-12-21 | 2020-04-14 | Nike, Inc. | Footwear article with doffing ledge |
US20200205518A1 (en) * | 2018-12-28 | 2020-07-02 | Nike, Inc. | Footwear article with collar elevator |
WO2020139656A1 (en) | 2018-12-28 | 2020-07-02 | Nike Innovate C.V. | Footwear with jointed sole structure for ease of access |
WO2020139487A2 (en) | 2018-12-28 | 2020-07-02 | Nike Innovate C.V. | Footwear with vertically extended heel counter |
US10721994B2 (en) | 2018-12-28 | 2020-07-28 | Nike, Inc. | Heel structure with locating pegs and method of manufacturing an article of footwear |
WO2020139486A1 (en) | 2018-12-28 | 2020-07-02 | Nike Innovate C.V. | Footwear element with locating pegs and method of manufacturing an article of footwear |
US11344077B2 (en) | 2018-12-28 | 2022-05-31 | Nike, Inc. | Footwear article with collar elevator |
CN116746737A (en) | 2019-02-13 | 2023-09-15 | 耐克创新有限合伙公司 | Heel support device for footwear |
CN114554899A (en) | 2019-10-18 | 2022-05-27 | 耐克创新有限合伙公司 | Easy entry article of footwear with cord lock |
US11589653B2 (en) | 2019-11-25 | 2023-02-28 | Nike, Inc. | Tension-retaining system for a wearable article |
USD980589S1 (en) * | 2020-12-18 | 2023-03-14 | Peter Charles Whittington | Convertible shoe |
US11910867B2 (en) | 2022-03-28 | 2024-02-27 | Nike, Inc. | Article of footwear with heel entry device |
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-
2001
- 2001-06-29 US US09/893,908 patent/US6578288B2/en not_active Expired - Fee Related
-
2002
- 2002-06-17 EP EP02756102A patent/EP1411793A1/en not_active Withdrawn
- 2002-06-17 WO PCT/US2002/016577 patent/WO2003001938A1/en not_active Application Discontinuation
- 2002-06-17 CA CA2451805A patent/CA2451805C/en not_active Expired - Fee Related
- 2002-06-17 CA CA2698722A patent/CA2698722A1/en not_active Abandoned
-
2003
- 2003-04-03 US US10/405,935 patent/US6874255B2/en not_active Expired - Fee Related
Patent Citations (4)
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DE937911C (en) * | 1953-03-01 | 1956-01-19 | Friedrich Dr Med Dent Haltern | Splayfoot support |
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US20010034958A1 (en) * | 2000-04-28 | 2001-11-01 | Yasunori Kaneko | Wrap closure and fit system of footwear |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006055827A3 (en) * | 2004-11-18 | 2007-01-18 | Conexant Systems Inc | Systems and methods for adaptive vdsl with variable sampling frequency and time-domain equalizer |
FR2938158A1 (en) * | 2008-11-10 | 2010-05-14 | Benjamin Mahieddine | Sandal/thong type footwear, has front and rear straps fixed to sole, where rear strap presents rigidity for being suspended above sole to maintain foot and presents flexibility for ensuring fitting and unfitting of footwear |
EP2804501A4 (en) * | 2011-10-31 | 2016-03-23 | Yehuda Azoulay | Topless shoe |
US10765167B2 (en) | 2011-10-31 | 2020-09-08 | Yehuda Azoulay | Topless shoe |
Also Published As
Publication number | Publication date |
---|---|
EP1411793A1 (en) | 2004-04-28 |
CA2451805C (en) | 2010-06-01 |
US20040049945A1 (en) | 2004-03-18 |
US20030009916A1 (en) | 2003-01-16 |
US6578288B2 (en) | 2003-06-17 |
US6874255B2 (en) | 2005-04-05 |
CA2698722A1 (en) | 2003-01-09 |
CA2451805A1 (en) | 2003-01-09 |
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