US20170105487A1 - Tethered anchor point for footwear lace element - Google Patents

Tethered anchor point for footwear lace element Download PDF

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Publication number
US20170105487A1
US20170105487A1 US15/297,917 US201615297917A US2017105487A1 US 20170105487 A1 US20170105487 A1 US 20170105487A1 US 201615297917 A US201615297917 A US 201615297917A US 2017105487 A1 US2017105487 A1 US 2017105487A1
Authority
US
United States
Prior art keywords
channel
tensile
strand
central axis
anchor point
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
Application number
US15/297,917
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English (en)
Inventor
Ross Klein
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.)
Nike Inc
Original Assignee
Nike Inc
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 Nike Inc filed Critical Nike Inc
Priority to US15/297,917 priority Critical patent/US20170105487A1/en
Assigned to NIKE, INC. reassignment NIKE, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KLEIN, ROSS
Publication of US20170105487A1 publication Critical patent/US20170105487A1/en
Priority to US16/921,658 priority patent/US11596205B2/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C1/00—Shoe lacing fastenings
    • A43C1/04—Shoe lacing fastenings with rings or loops
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0245—Uppers; Boot legs characterised by the constructive form
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0245—Uppers; Boot legs characterised by the constructive form
    • A43B23/0265—Uppers; Boot legs characterised by the constructive form having different properties in different directions
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C1/00—Shoe lacing fastenings
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C3/00—Hooks for laces; Guards for hooks

Definitions

  • a tethered anchor point for a footwear lace element includes various elements.
  • the tethered anchor point includes a tensile strand that attaches to a portion of the footwear article.
  • the tethered anchor point includes a tensile-strand reinforcement.
  • the tensile-strand reinforcement provides a sliding surface against which the lace element of the footwear article may slide when the lace element is threaded through the tethered anchor point.
  • FIGS. 1A-1C each depicts a respective footwear article with tethered anchor points in accordance with an aspect hereof;
  • FIGS. 2A and 2B depict a tethered anchor point in accordance with an aspect hereof;
  • FIGS. 3A-3F each depicts a respective view of a tensile-strand reinforcement in accordance with an aspect hereof.
  • FIGS. 4A and 4B each depicts respective views of an alternative tensile-strand reinforcement in accordance with an aspect hereof.
  • Footwear articles often include a lace element or other tensile strand that is used to form at least part of a foot-receiving enclosure or that is used to adjust a fit of the footwear article.
  • the lace element is threaded through one or more anchor points on the footwear article, which allows the lace element to sinuously extend from one part of the footwear article to another part of the footwear article.
  • tension to the lace element one part of the footwear article can be drawn towards another part of the footwear article in order to tighten a fit.
  • the fit can be loosened by releasing tension on, or untying, the lace element.
  • An aspect of the present invention is directed to a tethered anchor point for a footwear lace element.
  • a footwear article 10 is illustrated that includes a lace element 12 threaded through a set of tethered anchor points 14 A-D.
  • each tethered anchor point includes a respective tensile strand 16 A-D and a respective tensile-strand reinforcement 18 A-D.
  • the tensile-strand reinforcements 18 A-D provide sliding surface with lower relative friction (as compared to the tensile strands 16 A-D) for when the lace element 12 is slid or pulled across the tethered anchor points 14 A-D under tension, such as when tightening the fit of the footwear article 10 .
  • the tensile-strand reinforcements 18 A-D can help to reduce wear, abrasion, and the like on the tensile strands 16 A-D that might arise from repeated tensioning (e.g., tying) and loosening (e.g., untying) of the lace element 12 .
  • tensile strand refers to an elongate member generally having a length that is substantially greater than a width and a thickness. Some types of tensile strands include at least a portion that is flexible and non-rigid.
  • a tensile strand may include various constructions of various types of material and may have the configuration of various filaments, fibers, yarns, threads, ropes, cables, wires, or extrudates.
  • a tensile strand may include an intertwining of smaller filaments or fibers that are woven, knitted, braided, or otherwise intertwined together.
  • a tensile strand may also include various types of materials, such as rayon, nylon, polyester, polyacrylic, silk, cotton, carbon, carbon, glass, aramids (e.g., para-aramid fibers and meta-aramid fibers), ultra high molecular weight polyethylene (UHMW-PE), liquid crystal polymer, copper, aluminum, and steel.
  • materials such as rayon, nylon, polyester, polyacrylic, silk, cotton, carbon, carbon, glass, aramids (e.g., para-aramid fibers and meta-aramid fibers), ultra high molecular weight polyethylene (UHMW-PE), liquid crystal polymer, copper, aluminum, and steel.
  • Each tensile strand 16 A-D is coupled to the footwear article 10 .
  • a tensile strand may be coupled to the sole portion 22 of the footwear article 10 , to the upper portion 24 A of the footwear article, or to both the upper portion 24 A and the sole portion 22 of the footwear article.
  • the tensile strand 16 A includes an attached portion 26 A that is coupled between the upper portion 24 A and the sole portion 22 and that is depicted in broken lines to illustrate at least part of the attached portion 26 A being obscured from view.
  • the attached portion 26 A might be bonded directly to the sole portion 22 and/or directly to the upper portion 24 A and layered between the sole portion 22 and the upper portion 24 A.
  • the tensile strand 16 A includes two end portions 26 A that are both coupled to the footwear article 10 , thereby creating a looped portion (e.g., element 30 in FIG. 2B ) that can be interlooped with the lace element 12 .
  • Each of the other tensile strands 16 B-D may also include respective attached portion that are coupled between the sole 22 and the upper 24 A and that is similar to the attached portions 26 A.
  • the tensile strands may include various other coupling arrangements or mechanisms that attach the tensile strands to the footwear article.
  • each tensile strand includes end portions 26 B that are coupled directly to the upper 24 B.
  • the end portions 26 B may be attached to the upper 24 B by various attachment mechanisms, such as by stitching, bonding, welding, and the like.
  • FIG. 1C another exemplary aspect is illustrated in which at least a portion 26 C of the tensile strands extend beneath an outer layer of the upper 24 C.
  • the portions 26 C may pass through tubular structures or sheaths that are constructed into the upper 24 C or that are affixed to the upper 24 C.
  • the portions 26 C may be retained beneath an overlay (e.g., thermoplastic polyurethane “TPU”).
  • the portions 26 C may pass between an outer layer of the upper and inner layer of the upper.
  • a loop is formed by the tensile strand that can threadably receive the lace element 12 .
  • a tensile strand may be integrally formed with the sole portion 22 through molding, co-molding, or some other co-forming process.
  • the sole portion 22 may include a fiber-composite construction that allows for one or more fibers to extend away from the sole as the tensile strands.
  • each tensile strand (e.g., 16 A-D) also includes a tethering portion that couples the attached ends (i.e., 26 A-C) to a lace-interlooping portion.
  • the tensile strand 16 A includes a tethering portion 28 that extends from the attached portions 26 A and that transitions to a lace-interlooping portion.
  • the lace-interlooping portion is at least partially enclosed by the tensile-strand reinforcement 18 A and is obscured from view in FIG. 1A .
  • FIGS. 2A and 2B illustrative views of a tethered anchor point 114 are provided.
  • the tethered anchor point 114 is shown detached from a footwear article.
  • the description provided of the tethered anchor point 114 in FIGS. 2A and 2B also applies to the tethered anchor points (e.g., 14 A-D) illustrated in FIGS. 1A-1C .
  • the end portion 26 of the tethered anchor point 114 may correspond to any of the attached end portions 26 A-C described with respect to FIGS. 1A-1C , respectively.
  • the tethered anchor point 114 includes tethering portions 28 A and 28 B that extend away from the end portions 26 and that transitions into a looped portion 30 .
  • the looped portion 30 is depicted as a single continuous strand that extends from, and connects, one tethering portion 28 A to the other tethering portions 28 B.
  • the looped portion 30 interloops with the lace element 12 when the lace element 12 is threaded through the tethered anchor points 14 .
  • the tethered anchor points 14 and 114 also include tensile-strand reinforcements 18 and 18 A-D coupled to respective loop portions 30 of the tensile strands.
  • the tensile-strand reinforcement 18 includes a tubular sleeve structure having a hollow core or channel that receives the loop portion 30 .
  • hollow core or channel extends in a curved configuration (e.g., u-shaped or c-shaped) or bent configuration (e.g., v-shaped) that also forms a partially enclosed passageway through which the lace element 12 can be threaded.
  • the tensile-strand reinforcement 18 may provide a sliding surface with lower relative friction (as compared with the tensile strand) against which a lace element 12 may slide.
  • the tensile-strand reinforcement 18 may reduce wear of the tensile strand that may be caused by sliding against the lacing element 12 .
  • the tensile-strand reinforcement 18 will be described in more detail with respect to FIGS. 3A-3F .
  • the tensile-strand reinforcement 18 includes a channel 32 A-C formed by a radial wall 34 A-D.
  • the radial wall 34 A-D includes an internal surface 36 facing toward the channel 32 A-C and an external surface 38 facing away from the channel 32 A-C.
  • the radial wall 34 A-D at least partially circumscribes a central axis 40 A-C of the channel that extends from one terminal end 42 A of the channel 32 A-C to an opposing terminal end 42 B of the channel 32 A-C.
  • the channel 32 A-C includes a bend 44 ( FIGS.
  • the path may extend less than 180 degrees, such as in a V-shape, or may extend more than 180 degrees, such as in a tear-drop shape or partial tear-drop shape.
  • the external surface 38 of the radial wall located at the bend 44 of the channel radially extends at least partially around a lace passageway 46 through which a lace element 12 may be threaded.
  • An axis 47 of the lace passageway 46 extends substantially perpendicular to the central axis 40 of the channel.
  • the loop portion 30 is positioned in the channel and is at least partially circumscribed by the internal surface 36 , and the axis 47 of lace passage 46 is oriented substantially perpendicular to the loop portion 30 .
  • the internal surface 36 of the radial wall completely circumscribes the central axis 40 A-C at two or more portions of the channel 32 A-C.
  • end portions 42 A and 42 B include the radial walls 34 C and 34 D that completely circumscribe respective portions of the axis 40 B and 40 C.
  • the two portions of channel 32 B and 32 C including the circumscribing radial wall 34 C and 34 D are separated by an open-sided channel portion 32 A in which the internal surface only partially circumscribes the central axis 40 A.
  • the radial wall 34 A-D might be configured to include various structures.
  • the tensile-strand reinforcement includes a first tubular structure 19 B having a first axis 40 B and a second tubular structure 19 C having a second axis 40 C.
  • the first and second tubular structures 19 B and 19 C are positioned on opposing terminal ends of the tensile-strand reinforcement sleeve, and in a further aspect, the first axis and the second axis 40 B and 40 C are substantially parallel.
  • the first tubular structure 19 B and the second tubular structure 19 C are coupled to each other by the open-sided channel 32 A, which includes the radial wall 34 A and 34 B.
  • the relative lengths of the tubular structures 19 B and 19 C and the open-sided channel 32 A are depicted in the various figures for illustrative purposes only. Thus, in other aspect, the tubular structures 19 B and 19 C may be shorter or longer.
  • the radial walls 34 A and 34 B include the internal surface 36 that faces toward the channel and that partially circumscribes the central axis 40 A of the channel.
  • the tubular structures 19 B and 19 C and the channel 32 A are integrally formed end-to-end, such that the axis 40 A-C are axially aligned.
  • FIG. 2B depicts the looped portion 30 of the tensile strand extending through both the first tubular structure 19 A and the second tubular structure 19 B and positioned in the channel 32 A, such that the looped portion is at least partially circumscribed by the internal surface 36 .
  • the tensile-strand reinforcement 18 includes various features that may provide a sliding surface for the lace element 12 .
  • FIG. 3F illustrates a cross-sectional view of part of the open-sided channel 32 A, taken along reference line 3 F- 3 F in FIG. 3E .
  • the external surface 38 of the radial wall 34 A-B includes a convex-shaped surface topography, which curves outward as the external surface 38 extends in the direction of the lace passageway and from one portion 34 A of the radial wall to the other portion 34 B of the radial wall. In one aspect, this convex topography of the external surface helps to provide a sliding surface against which the lace element 12 may slide with reduced friction (relative to the tension strand).
  • the tensile-strand reinforcement 18 may be constructed of various materials that provide a reduced-friction sliding surface.
  • the tensile-strand reinforcement 18 might be constructed of a metal having a friction-reducing finish.
  • the tensile-strand reinforcement 18 may be constructed of a polymer having a hardness above a certain threshold.
  • the tensile-strand reinforcement 18 may be coupled to the strand using various techniques. For instance, the opposing ends (e.g., 26 ) of the tensile strand may both be threaded through a respective tubular structure by passing the ends through the open-sided channel 32 A and out the respective terminal end 42 A or 42 B.
  • portions of the radial wall are removed or omitted to form one or more slots for inserting the tensile strand.
  • FIGS. 4A and 4B illustrate one alternative aspect of a tensile-strand reinforcement 418 in which portions of the radial wall 434 have been removed to form slots 450 A and 450 B.
  • the tensile-strand reinforcement 418 functions similarly to the tensile-strand reinforcement 18 , such as by providing a sliding surface for the lace element and by helping to reinforce and protect the tensile strand.
  • the tensile strand may be passed through the slots 450 A and 450 B of the tensile-strand reinforcement 18 in order to position the tensile strand in the channel 432 , as opposed to threading ends of the tensile strand through the tubular portions depicted in FIGS. 3A-3F .
  • the slots 450 A and 450 B are depicted as substantially straight. But in other aspects, the slots may extend in a non-straight path, which may impeded the tensile strand from slipping out of the channel 432 .
  • the tensile strand reinforcement 418 can be affixed to a tensile strand after the attachment portion of the tensile strand has been coupled to a footwear article.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
US15/297,917 2015-10-19 2016-10-19 Tethered anchor point for footwear lace element Abandoned US20170105487A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US15/297,917 US20170105487A1 (en) 2015-10-19 2016-10-19 Tethered anchor point for footwear lace element
US16/921,658 US11596205B2 (en) 2015-10-19 2020-07-06 Tethered anchor point for footwear lace element

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562243482P 2015-10-19 2015-10-19
US15/297,917 US20170105487A1 (en) 2015-10-19 2016-10-19 Tethered anchor point for footwear lace element

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US16/921,658 Division US11596205B2 (en) 2015-10-19 2020-07-06 Tethered anchor point for footwear lace element

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US20170105487A1 true US20170105487A1 (en) 2017-04-20

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US16/921,658 Active 2036-10-28 US11596205B2 (en) 2015-10-19 2020-07-06 Tethered anchor point for footwear lace element

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EP (1) EP3364809B1 (de)
CN (1) CN108366647B (de)
WO (1) WO2017070202A1 (de)

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USD891739S1 (en) 2018-08-29 2020-08-04 Puma SE Shoe
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US11484097B2 (en) * 2019-04-17 2022-11-01 Nike, Inc. Footwear upper with branched forefoot straps
US11596205B2 (en) 2015-10-19 2023-03-07 Nike, Inc. Tethered anchor point for footwear lace element
US11925234B2 (en) 2018-09-28 2024-03-12 Puma SE Article of footwear having an upper assembly

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US12514324B2 (en) 2015-05-08 2026-01-06 Under Armour, Inc. Footwear including an adaptable and adjustable lacing system
US20160324269A1 (en) * 2015-05-08 2016-11-10 Under Armour, Inc. Footwear Including an Adaptable and Adjustable Lacing System
US11857028B2 (en) 2015-05-08 2024-01-02 Under Armour, Inc. Footwear including an adaptable and adjustable lacing system
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US11147337B2 (en) * 2018-06-15 2021-10-19 Fuerst Group, Inc. Footwear article having cord structure and convertible heel strap
USD913647S1 (en) 2018-08-29 2021-03-23 Puma SE Shoe
USD891739S1 (en) 2018-08-29 2020-08-04 Puma SE Shoe
USD891738S1 (en) 2018-08-29 2020-08-04 Puma SE Shoe
USD885719S1 (en) 2018-08-29 2020-06-02 Puma SE Shoe
US11013292B2 (en) * 2018-09-28 2021-05-25 Puma SE Article of footwear having a sole structure
US11925234B2 (en) 2018-09-28 2024-03-12 Puma SE Article of footwear having an upper assembly
US20200100560A1 (en) * 2018-09-28 2020-04-02 Puma SE Article of footwear having a sole structure
US11484097B2 (en) * 2019-04-17 2022-11-01 Nike, Inc. Footwear upper with branched forefoot straps

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Publication number Publication date
EP3364809A1 (de) 2018-08-29
CN108366647A (zh) 2018-08-03
CN108366647B (zh) 2021-06-25
US20200329820A1 (en) 2020-10-22
EP3364809B1 (de) 2019-12-25
US11596205B2 (en) 2023-03-07
WO2017070202A1 (en) 2017-04-27

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