WO2007014166A2 - Chaussure a introduction laterale et procedes de fabrication afferents - Google Patents

Chaussure a introduction laterale et procedes de fabrication afferents Download PDF

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Publication number
WO2007014166A2
WO2007014166A2 PCT/US2006/028698 US2006028698W WO2007014166A2 WO 2007014166 A2 WO2007014166 A2 WO 2007014166A2 US 2006028698 W US2006028698 W US 2006028698W WO 2007014166 A2 WO2007014166 A2 WO 2007014166A2
Authority
WO
WIPO (PCT)
Prior art keywords
foot
sole
footwear
opening region
region
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.)
Ceased
Application number
PCT/US2006/028698
Other languages
English (en)
Other versions
WO2007014166A3 (fr
Inventor
Noam Bernstein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2007014166A2 publication Critical patent/WO2007014166A2/fr
Publication of WO2007014166A3 publication Critical patent/WO2007014166A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • A43B3/0036—Footwear characterised by the shape or the use characterised by a special shape or design
    • A43B3/0078—Footwear characterised by the shape or the use characterised by a special shape or design provided with logos, letters, signatures or the like decoration
    • A43B3/0084—Arrangement of flocked decoration on shoes
    • 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
    • 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

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.
  • One or more of the 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 semi-rigid 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 sole may include a depression for the insertion of an additional insole, as known in existing art.
  • 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, sandals, 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.
  • Figure 6 is a top view of another embodiment of footwear in accordance with the invention.
  • Figure 7 is a top perspective view of the footwear of Figure 6;
  • Figure 8 is an exploded perspective view of the footwear of Figure 6;
  • Figure 9A is a side view of a second embodiment illustrating the open side of the footwear in accordance with the invention.
  • Figure 9B is a side view of a third embodiment illustrating the open side of the footwear in accordance with the invention.
  • Figure 9C is a side view illustrating the open side of the footwear of Figure 6;
  • Figure 10A is a side view illustrating the close side of the footwear of Figure 9A
  • Figure 10B is a side view illustrating the close side of the footwear of Figure 9B
  • Figure 10C is a side view illustrating the close side of the footwear of Figure 9C.
  • 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 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 (not shown) 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.
  • 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 is designed to provide a connection to sole 12.
  • the connection may be formed by embedding sole connection region 32 within the sole.
  • 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.
  • radii 40 serves as a guide surface to direct the foot into the opening region 28.
  • radii 38 serves to resist the lateral movement of the foot to assist in preventing the foot from slipping out of opening region 28 during walking.
  • Figure 3C illustrates a front view of the foot holder. During entry of the foot into the footwear, 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 nonexistent.
  • 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.
  • FIG. 6 another embodiment of the invention includes footwear 100 having a toe region 104, heel region 106, lateral sides 108 and 110, respectively, and an upper 114. In one embodiment described above, these elements are integrally formed, as a single component.
  • Lateral side 110 includes an opening region 112 for foot entry and egress.
  • the upper 114 which may be at least partially open along lateral side 110, may include a heel holder portion 118, a foot holder portion 120, and/or a metatarsal region 122. In another embodiment, the opening region may be located on lateral side 108.
  • the opening region 112 is shown more readily along with the sole region 102.
  • the sole region 102 may be an integrally formed member of footwear 100.
  • An insole 116 may be placed within footwear 100 in order to provide additional support and cushioning when needed.
  • the metatarsal region 122 contacts and is proximal the metatarsal area of a human foot.
  • the foot holder portion 120 and heel holder portion 118 may be configured to securely hold the human foot when footwear 100 is placed on the human foot resulting in a holding force exerted from footwear 100 to the human foot inserted therein. This holding force is exerted proximal foot holder portion 120 and heel holder portion 118 due to the configuration of these portions wrapping around the human foot.
  • the edge defining the bottom of the opening region 112 may be the result of an integrally formed sole region 102 and foot holder portion 120.
  • the manufacturing of footwear 100 can be performed using a variety of techniques known in the art, such as molding or thermoforming techniques, for example. Molding techniques can include blow molding, rotation molding, and injection molding, for example. In a molding process, the whole form of the final footwear would be formed, in negative space, in a mold split into two or more elements. One of these elements would be the core, creating the inside space of the final footwear. Once closed together, the mold material in liquid form would be poured or injected under pressure, and would cool, and/or harden (i.e. solidify), filling the mold and taking on a positive form of the negative space of the mold.
  • These techniques are well known in the art, and as such, a detailed description is not necessary for one skilled in the art to practice this embodiment of the invention. Such techniques can be found in, for example, U.S. Patent Nos. 6,855,281; 5,743,027; 4,302,169; and 3,500,502, incorporated by reference herein.
  • blow molding a technique is used that creates the shoe shell, including the space for the foot, by inflating a molten preformed tube of material inside a mold, so that the final form of the exterior surfaces is that of the internal surface of the mold.
  • the internal surfaces of this preformed tube cure in open air inside the mold.
  • Variable wall-thickness and structure can be achieved using a variable preformed cross-section, and a variable spacing between the original preformed tube and the internal surfaces of the mold.
  • the method produces footwear where any combination of the sole, upper, resilient foot holder, and heel holder are integrally formed as a single unit.
  • the upper and the resilient foot holder may be integrally formed.
  • the sole, the upper, and the resilient foot holder may be integrally formed, and so on.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

L'invention porte sur une chaussure et sur un procédé de fabrication d'une chaussure comprenant une partie supérieure détachée de la semelle sur au moins une partie d'un côté latéral de la semelle, de manière à permettre l'introduction d'un pied dans la chaussure de manière latérale, via un espace latéral. On fabrique la chaussure en la moulant dans un moule. Le pied peut être maintenu en place, en partie, au moyen d'un support du pied élastique s'étendant sur le sommet du pied. Un mouvement latéral du pied permet d'arracher le support du pied par la force et de retirer ainsi la chaussure sans utiliser les mains.
PCT/US2006/028698 2005-07-25 2006-07-24 Chaussure a introduction laterale et procedes de fabrication afferents Ceased WO2007014166A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/187,966 US20060037217A1 (en) 2001-06-29 2005-07-25 Side entry footwear and methods of making
US11/187,966 2005-07-25

Publications (2)

Publication Number Publication Date
WO2007014166A2 true WO2007014166A2 (fr) 2007-02-01
WO2007014166A3 WO2007014166A3 (fr) 2007-04-19

Family

ID=37683888

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/028698 Ceased WO2007014166A2 (fr) 2005-07-25 2006-07-24 Chaussure a introduction laterale et procedes de fabrication afferents

Country Status (2)

Country Link
US (1) US20060037217A1 (fr)
WO (1) WO2007014166A2 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD995072S1 (en) 2021-10-22 2023-08-15 Target Brands, Inc. Footwear
USD996020S1 (en) 2021-10-22 2023-08-22 Target Brands, Inc. Footwear
USD1000766S1 (en) 2021-10-22 2023-10-10 Target Brands, Inc. Footwear
USD1011001S1 (en) 2021-10-22 2024-01-16 Target Brands, Inc. Footwear
USD1012471S1 (en) 2021-10-22 2024-01-30 Target Brands, Inc. Footwear
USD1013349S1 (en) 2021-10-22 2024-02-06 Target Brands, Inc. Footwear
USD1014051S1 (en) 2021-10-22 2024-02-13 Target Brands, Inc. Footwear
USD1046412S1 (en) 2021-10-22 2024-10-15 Target Brands, Inc. Footwear
USD1046411S1 (en) 2021-10-22 2024-10-15 Target Brands, Inc. Footwear

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US20090025253A1 (en) * 2007-06-28 2009-01-29 Gloria Harper Footwear Cover
GB0715771D0 (en) * 2007-08-14 2007-09-19 Clark Ltd C & J An article of footwear
US8745901B2 (en) * 2011-09-28 2014-06-10 Nike, Inc. Article of footwear with tongue and heel openings
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
US11344077B2 (en) 2018-12-28 2022-05-31 Nike, Inc. Footwear article with collar elevator
US20260020641A1 (en) * 2024-07-17 2026-01-22 Thomas J. Shaw Pressure Distributing Side Entry Footwear

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD995072S1 (en) 2021-10-22 2023-08-15 Target Brands, Inc. Footwear
USD996020S1 (en) 2021-10-22 2023-08-22 Target Brands, Inc. Footwear
USD1000766S1 (en) 2021-10-22 2023-10-10 Target Brands, Inc. Footwear
USD1011001S1 (en) 2021-10-22 2024-01-16 Target Brands, Inc. Footwear
USD1012471S1 (en) 2021-10-22 2024-01-30 Target Brands, Inc. Footwear
USD1013349S1 (en) 2021-10-22 2024-02-06 Target Brands, Inc. Footwear
USD1014051S1 (en) 2021-10-22 2024-02-13 Target Brands, Inc. Footwear
USD1046412S1 (en) 2021-10-22 2024-10-15 Target Brands, Inc. Footwear
USD1046411S1 (en) 2021-10-22 2024-10-15 Target Brands, Inc. Footwear
USD1053516S1 (en) 2021-10-22 2024-12-10 Target Brands, Inc. Footwear
USD1075250S1 (en) 2021-10-22 2025-05-20 Target Brands, Inc. Footwear
USD1107399S1 (en) 2021-10-22 2025-12-30 Target Brands, Inc. Footwear
USD1107400S1 (en) 2021-10-22 2025-12-30 Target Brands, Inc. Footwear

Also Published As

Publication number Publication date
WO2007014166A3 (fr) 2007-04-19
US20060037217A1 (en) 2006-02-23

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