EP1440627B1 - Chaussure avec serrage automatique - Google Patents

Chaussure avec serrage automatique Download PDF

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Publication number
EP1440627B1
EP1440627B1 EP03250449A EP03250449A EP1440627B1 EP 1440627 B1 EP1440627 B1 EP 1440627B1 EP 03250449 A EP03250449 A EP 03250449A EP 03250449 A EP03250449 A EP 03250449A EP 1440627 B1 EP1440627 B1 EP 1440627B1
Authority
EP
European Patent Office
Prior art keywords
fastener
closure
shoe
tab
automated tightening
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.)
Expired - Lifetime
Application number
EP03250449A
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German (de)
English (en)
Other versions
EP1440627A1 (fr
Inventor
Kun-Chung Liu
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE60304116T priority Critical patent/DE60304116T2/de
Priority to EP03250449A priority patent/EP1440627B1/fr
Publication of EP1440627A1 publication Critical patent/EP1440627A1/fr
Application granted granted Critical
Publication of EP1440627B1 publication Critical patent/EP1440627B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • A43B3/34—Footwear characterised by the shape or the use with electrical or electronic arrangements
    • 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
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/008—Combined fastenings, e.g. to accelerate undoing or fastening
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/16—Fastenings secured by wire, bolts, or the like
    • A43C11/165—Fastenings secured by wire, bolts, or the like characterised by a spool, reel or pulley for winding up cables, laces or straps by rotation

Definitions

  • the invention relates to a shoe, more particularly to a shoe with an automated tightening capability.
  • a shoe having inter-engaging fasteners for maintaining a tightened state of the shoe is known in the art.
  • an automated tightening shoe comprises a sole, an upper, a closure member, a tightening mechanism and a drive unit as defined in the appended claims.
  • the upper is connected to the sole, and has a toe portion and a heel portion.
  • the upper is formed with an opening adjacent to the heel portion to permit slipping of a foot into the upper, and further has a tongue connected to the toe portion, and first and second closure tabs disposed to overlap opposite lateral sides of the tongue, respectively.
  • the closure member is provided on the upper, extends between the first and second closure tabs, and is connected to at least one of the first and second closure tabs.
  • the closure member is movable from a loosening state, where the closure member allows limited movement of the first and second closure tabs away from each other, to a tightened state, where the closure member pulls the first and second closure tabs toward each other to tighten the shoe around the foot.
  • the tightening mechanism includes first and second fasteners.
  • the first fastener has a mounting section mounted securely on the first closure tab, and a fastener engaging section provided on the mounting section.
  • the second fastener is connected to the closure member, and has a fastener engaging portion capable of removable engagement with the fastener engaging section of the first fastener so as to retain releasably the closure member at the tightened state.
  • the drive unit is mounted inside the sole, and includes a housing, a spool mounted rotatably in the housing, a pull string and a motor unit.
  • the pull string has a first anchored end connected to the spool, a second anchored end connected to the second fastener, and an intermediate string portion between the first and second anchored ends.
  • the intermediate string portion extends outwardly of the sole and the upper to permit connection of the second anchored end to the second fastener.
  • the motor unit is mounted in the housing, is coupled to the spool, and is operable so as to drive rotation of the spool in the housing to wind the pull string on the spool for pulling the second fastener toward the first fastener in order to engage the fastener engaging portion with the fastener engaging section, thereby resulting in automated tightening of the shoe.
  • the first preferred embodiment of an automated tightening shoe 100 is shown to include a sole 11, an upper 12, a closure member 20, a tightening mechanism 30 and a drive unit 40.
  • the upper 12 is connected to the sole 11, and has a toe portion 125 and a heel portion 120.
  • the upper 12 is formed with an upper opening 121 adjacent to the heel portion 120 to permit slipping of a foot into the upper 12, and has a tongue 127 connected to the toe portion 125, and first and second closure tabs 123, 122 disposed to overlap opposite lateral sides of the tongue 127, respectively.
  • the first closure tab 123 has a first tab portion proximate to the toe portion 125, a second tab portion proximate to the opening 121, and an intermediate eyelet-free tab portion 126 between the first and second tab portions.
  • the first tab portion is provided with two eyelets 128, whereas the second tab portion is provided with one eyelet 128.
  • the second closure tab 122 is provided with a plurality of eyelets 124.
  • the closure member 20 includes a shoe lace strung through the eyelets 128 of the first closure tab 123 and the eyelets 124 of the second closure tab 122.
  • the closure member 20 is further formed with a pair of V-shape fastener connection portions 21 corresponding to the intermediate eyelet-free tab portion 126 of the first closure tab 123.
  • the fastener connection portions 21 of the closure member 20 are movable from a loosening state, where the closure member 20 allows limited movement of the first and second closure tabs 123, 122 away from each other (see Figure 8), to a tightened state, where the closure member 20 pulls the first and second closure tabs 123, 122 toward each other to tighten the shoe 100 around the foot (see Figure 1).
  • the tightening mechanism 30 includes a first fastener 31 and a second fastener 32.
  • the first fastener 31 has a mounting section 314 mounted securely on the intermediate eyelet-free tab portion 126 of the first closure tab 123, such as with the use of rivets (not shown), and a fastener engaging section 311 provided on the mounting section 314.
  • the mounting section 314 and the fastener engaging section 311 of the first fastener 31 cooperate to impart the first fastener 311 with a tubular configuration.
  • the first fastener 31 further has an open insert end 312 and a tube retaining end 317 opposite to the open insert end 312, and is formed with a radial fastener hole 313 and with a plurality of guide holes 315 in the tube retaining end 317.
  • the second fastener 32 has a shoe lace stringing portion 322 and a fastener engaging portion 321 that is connected to the shoe lace stringing portion 322.
  • the shoe lace stringing portion 322 is formed with a pair of eyelets 323 for connection with the fastener connectionportions 21 of the closure member 20.
  • the fastener engaging portion 321 is formed with a pair of string holes 325, and is further formed with a cutout 320.
  • a resilient anchor member 324 is disposed in the cutout 320, and includes a wedge body having a tapered edge 3241 connected to the fastener engaging portion 321 at a periphery of the cutout 320, and an abutment edge 3242 opposite to the tapered edge 3241.
  • the fastener engaging portion 321 When the fastener engaging portion 321 is inserted into the open insert end 312 of the first fastener 31, the resilient anchor member 324 extends into the radial fastener hole 313 in the first fastener 31 such that the abutment edge 3242 engages removably a periphery of the radial fastener hole 313.
  • the fastener engaging portion 321 is capable of removable engagement with the fastener engaging section 311 of the first fastener 31 so as to retain releasably the closure member 20 at the tightened state.
  • the drive unit 40 is mounted in the heel portion 111 of the sole 11, and includes a housing 41, a spool 45 mounted rotatably in the housing 41, a pair of pull strings 46 and a motor unit.
  • the housing 41 includes a bottom housing part 411 having a top opening, and a top housing part 412 having a bottom opening and mounted on the bottom housing part 411.
  • a leak-shield ring 414 is disposed between the bottom housing part 411 and the top housing part 412.
  • a tube guide 413 projects from one lateral side of the housing 41.
  • Each of the pull strings 46 has a first anchored end connected to the spool 45, a second anchored end 461 (see Figure 2) connected to a corresponding string hole 325 in the second fastener 32, and an intermediate string portion between the first and second anchored ends.
  • the intermediate string portion of each pull string 46 extends through the tube guide 413, outwardly of the sole 11 and the upper 12, and passes through the corresponding guide hole 315 in the first fastener 31 to permit connection of the second anchored end 461 to the second fastener 32.
  • the motor unit is mounted in the housing 41 and includes a motor 42, an electric power source 43, such as a battery unit, coupled to and supplying electric power to the motor 42, and a speed reduction gearing 44 for coupling the motor 42 to the spool 45.
  • the motor unit is operable so as to drive rotation of the spool 45 in the housing 41 to wind the pull strings 46 on the spool 45 for pulling the second fastener 32 toward the first fastener 31 in order to engage the fastener engaging portion 321 with the fastener engaging section 311, thereby resulting in automated tightening of the shoe 100.
  • the shoe 100 further includes a guide tube unit 50 provided on the upper 12 and extending between the tube guide 413 on the housing 41 of the drive unit 40 and the tube retaining end 317 (see Figure 2) of the first fastener 31.
  • the guide tube unit 50 permits extension of the intermediate string portions of the pull strings 46 therethrough, and includes a pair of pull string tubes 51 for the pull strings 46, and a pair of switch line tubes 52.
  • the guide tube unit 50 is provided with flaps 53 for securing the tubes 51, 52 to the upper 12, such as by sewing.
  • the drive unit 40 further includes a control switch 60 mounted on the sole 11 and coupled to the motor unit.
  • the control switch 60 is mounted on the housing 41 of the drive unit 40, which in turn is mounted in the heel portion 111 of the sole 11.
  • the control switch 60 is capable of activating the motor unit for driving the spool 45 to wind the pull strings 46 when pressure is applied on the control switch 60 by the foot that is slipped into the upper 12.
  • the drive unit 40 further includes a cut-off switch 70 provided in the first fastener 31 and coupled to the motor unit.
  • the cut-off switch 70 is capable of deactivating the motor unit when the fastener engaging portion 321 engages the fastener engaging section 311.
  • the cut-off switch 70 includes a stationary contact 71 and a resilient contact 72 for contacting the stationary contact 71.
  • the second fastener 32 is formed with an insulator spacer 33 to space apart the resilient contact 72 from the stationary contact 71 when the fastener engaging portion 321 of the second fastener 32 is inserted into the first fastener 31.
  • the stationary contact 71 has a first engaging end portion 711 and an opposite first contact portion 712.
  • the first engaging end portion 711 is retained on top of the mounting portion 314 of the first fastener 31, and is connected to a switch line originating from the drive unit 40 and extending through one of the switch line tubes 52.
  • the first contact portion 712 lies flat on the mounting portion 314, and is formed with a contact point 713.
  • the resilient contact 72 has a second engaging end portion 721 and an opposite second contact portion 722.
  • the second engaging end portion 721 is also retained on top of the mounting portion 314 of the first fastener 31, and is connected to another switch line originating from the drive unit 40 and extending through the other one of the switch line tubes 52.
  • the second contact portion 722 extends above the first contact portion 712 and is biased toward the contact point 713.
  • the spacer 33 is in the form of an L-shaped hook that extends from the resilient anchor member 324, and exerts an uplifting force to space the second contact portion 722 apart from the contact point 713 when the resilient anchor member 324 is inserted into the first fastener 31.
  • the control switch 60 and the cut-off switch 70 are connected in series between the motor 42 and the power source 43 of the motor unit.
  • the resilient anchor member 324 is operated to disengage the same from the periphery of the radial fastener hole 313 in the first fastener 31. Then, by virtue of uplifting force of the shoe-removal action, the first closure tab 123 and the second closure tab 122 will be moved away from each other, and the closure member 20 will pull the second fastener 32 out of the first fastener 31. The shoe 100 is now in the loosening state.
  • a second preferred embodiment of an automated tightening shoe 100' is shown to similarly include an upper 12' connected to a sole and provided with first and second closure tabs 123', 122', a closure member 20', a tightening mechanism 30' including first and second fasteners 31' , 32' , a drive unit 40' , a guide tube unit 50' , a control switch 60' and a cut-off switch (not shown) .
  • the closure member 20' includes a flexible strap having one end connected securely to the second closure tab 122' and an opposite end connected to the second fastener 32' .
  • the shoe wearing and removal operations are the same as those for the previous embodiment.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Claims (13)

  1. Chaussure à serrage automatique (100), incluant :
    une semelle (11),
    une tige (12) connectée à ladite semelle (11) et ayant une portion à orteils (125) et une portion de talon (120), ladite tige (12) étant formée avec une ouverture (121) adjacente à ladite portion de talon (120) pour permettre d'enfiler un pied dans ladite tige (12), ladite tige (12) ayant en outre une languette (127) connectée à ladite portion à orteils (125), et un premier et un second volet de fermeture (123, 122) disposés pour recouvrir des côtés latéraux opposés de ladite languette (127), respectivement, et
    un élément de fermeture (20) prévu sur ladite tige (12), s'étendant entre ledit premier et ledit second volet de fermeture (123, 122) et connecté à l'un au moins parmi ledit premier et ledit second volet de fermeture (123, 122), ledit élément de fermeture (20) étant mobile entre un état de relâchement, dans lequel ledit élément de fermeture (20) permet un mouvement limité dudit premier et dudit second volet de fermeture (123, 122) en éloignement l'un de l'autre, vers un état serré, dans lequel ledit élément de fermeture (20) tire ledit premier et ledit second volet de fermeture (123, 122) l'un vers l'autre pour serrer ladite chaussure (100) autour du pied ;
    caractérisée par :
    un mécanisme de serrage (30) incluant
    un premier élément de fixation (31) ayant une section de montage (314) montée de façon fixe sur ledit premier volet de fermeture (123), et une section d'engagement de fixation (311) prévue sur ladite section de montage (314), et
    un second élément de fixation (32) connecté audit élément de fermeture (20) et ayant une portion d'engagement de fixation (321) capable de venir en engagement amovible avec ladite section d'engagement de fixation (311) dudit premier élément de fixation (31) de manière à retenir de façon relâchable ledit élément de fermeture (20) à l'état serré ; et
    une unité d'entraînement (40) montée à l'intérieur de ladite semelle (11), et incluant :
    un boîtier (41),
    une bobine (45) montée en rotation dans ledit boîtier (41),
    un lacet de traction (46) ayant une première extrémité ancrée connectée à ladite bobine (45), une seconde extrémité ancrée connectée audit second élément de fixation (32), et une portion de lacet intermédiaire entre ladite première et ladite seconde extrémité ancrée, ladite portion de lacet intermédiaire s'étendant vers l'extérieur de ladite semelle (11) et de ladite tige (12) pour permettre la connexion de ladite seconde extrémité ancrée audit second élément de fixation (32), et
    une unité à moteur montée dans ledit boîtier (41) et couplée à ladite bobine (45), ladite unité à moteur étant capable de fonctionner pour entraîner la rotation de ladite bobine (45) dans ledit boîtier (41) pour enrouler ledit lacet de traction (46) sur ladite bobine (45) et tirer ledit second élément de fixation (32) vers ledit premier élément de fixation (31) afin d'engager ladite portion d'engagement de fixation (321) avec ladite section d'engagement de fixation (311), avec ainsi pour résultat un serrage automatique de ladite chaussure (100).
  2. Chaussure à serrage automatique (100) selon la revendication 1, caractérisée en ce que ladite section de montage (314) et ladite section d'engagement de fixation (311) dudit premier élément de fixation (31) coopèrent pour imposer un audit premier élément de fixation (31) une configuration tubulaire, ledit premier élément de fixation (31) ayant une extrémité d'insertion ouverte (312) et étant formé avec un trou de fixation radial (313), ladite portion d'engagement de fixation (321) dudit second élément de fixation (32) étant formée avec un élément d'ancrage élastique (32) qui est susceptible d'être inséré dans ladite extrémité d'insertion ouverte (312) pour engager de façon amovible ledit trou de fixation (313).
  3. Chaussure à serrage automatique (100) selon la revendication 2, caractérisée en outre en ce que ladite portion d'engagement de fixation (321) dudit second élément de fixation (32) est formée avec une découpe (320), ledit élément d'ancrage élastique (324) étant disposé dans ladite découpe (320) et incluant un corps en coin ayant un bord effilé (3241) connecté à ladite portion d'engagement de fixation (321) à une périphérie de ladite découpe (320) et un bord de butée (3242) à l'opposé dudit bord effilé (3241) pour engager une périphérie dudit trou de fixation radial (313) dans ledit premier élément de fixation (31).
  4. Chaussure à serrage automatique (100) selon la revendication 1, caractérisée en ce que ladite unité d'entraînement (40) inclut en outre un commutateur de commande (60) monté sur ladite semelle (11) et couplé à ladite unité à moteur, ledit commutateur de commande (60) étant capable d'activer ladite unité à moteur pour entraîner ladite bobine (45) et enrouler ledit lacet de traction (46) quand une pression est appliquée sur ledit commutateur de commande (60) par le pied qui est enfilé dans ladite tige (12).
  5. Chaussure à serrage automatique (100) selon la revendication 4, caractérisée en outre en ce que ledit commutateur de commande (60) est monté au niveau d'une portion de talon (111) de ladite semelle (11).
  6. Chaussure à serrage automatique (100) selon la revendication 5, caractérisée en outre en ce que ledit boîtier (41) de ladite unité d'entraînement (40) est monté dans la portion de talon (111) de ladite semelle (11), et ledit commutateur de commande (60) est monté sur ledit boîtier (41).
  7. Chaussure à serrage automatique (100) selon la revendication 1, caractérisée en ce que ladite unité d'entraînement (40) inclut en outre un commutateur de coupure (70) prévu sur ledit premier élément de fixation (31) et couplé à ladite unité à moteur, ledit commutateur de coupure (70) étant capable de désactiver ladite unité à moteur quand ladite portion d'engagement de fixation (321) engage ladite section d'engagement de fixation (311).
  8. Chaussure à serrage automatique (100) selon la revendication 2, caractérisée en ce que ladite unité d'entraînement (40) inclut en outre un commutateur de coupure (70) prévu dans ledit premier élément de fixation (30) et couplé à ladite unité à moteur, ledit commutateur de coupure (70) étant capable de désactiver ladite unité à moteur quand ladite portion d'engagement de fixation (321) engage ladite section d'engagement de fixation (311).
  9. Chaussure à serrage automatique (100) selon la revendication 8, caractérisée en outre en ce que ledit commutateur de coupure (70) inclut un contact stationnaire (71) et un contact élastique (72) pour venir en contact avec ledit contact stationnaire (71), ledit second élément de fixation (32) étant formé avec un élément d'écartement isolant (33) pour écarter ledit contact élastique (72) vis-à-vis dudit contact stationnaire (71) quand ladite portion d'engagement de fixation (321) dudit second élément de fixation (32) est insérée dans ledit premier élément de fixation (31).
  10. Chaussure à serrage automatique (100) selon la revendication 1, caractérisée en ce que ladite unité à moteur inclut un moteur (42), une source de puissance électrique (43) couplée audit moteur (42) et fournissant une puissance électrique à celui-ci, et un train d'engrenages de réduction de vitesse (44) pour coupler ledit moteur (42) à ladite bobine (45).
  11. Chaussure à serrage automatique (100) selon la revendication 1, caractérisée en ce que ladite tige (12) et en outre pourvue d'une unité à tube de guidage (50) qui permet à ladite portion de lacet intermédiaire de s'étendre à travers celle-ci.
  12. Chaussure à serrage automatique (100) selon la revendication 1, caractérisée en ce que :
    ledit premier volet de fermeture (123) comprend une première portion de volet à proximité de ladite portion à orteils (125), une seconde portion de volet à proximité de ladite ouverture (121), et une portion de volet intermédiaire (126) dépourvue d'oeillets entre ladite première et ladite seconde portion de volet, ladite première et ladite seconde portion de volet étant dotées d'au moins un oeillet (128) ;
    ledit second volet de fermeture (122) étant doté d'une pluralité d'oeillets (124) ;
    ledit premier élément de fixation (31) étant monté de manière fixe sur ladite portion de volet intermédiaire (126) dépourvue d'oeillets dudit premier volet de fermeture (123) ;
    ledit second élément de fixation (32) comprenant en outre une portion de laçage de chaussure (322) connectée à ladite portion d'engagement de fixation (321) et formée avec au moins un oeillet (323) ;
    ledit élément de fermeture (20) incluant un lacet de chaussure passé à travers lesdits oeillets (128) dudit premier volet de fermeture (123), lesdits oeillets (124) dudit second volet de fermeture (122), et ledit au moins un oeillet (323) de ladite portion de laçage de chaussure (322) dudit second élément de fixation (32).
  13. Chaussure à serrage automatique (100') selon la revendication 1, caractérisée en ce que ledit élément de fermeture (20') inclut un ruban flexible ayant une extrémité connectée de manière fixe audit second volet de fermeture (122') et une extrémité opposée connectée audit second élément de fermeture (32').
EP03250449A 2003-01-24 2003-01-24 Chaussure avec serrage automatique Expired - Lifetime EP1440627B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE60304116T DE60304116T2 (de) 2003-01-24 2003-01-24 Schuh mit automatisierter Spanneinrichtung
EP03250449A EP1440627B1 (fr) 2003-01-24 2003-01-24 Chaussure avec serrage automatique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03250449A EP1440627B1 (fr) 2003-01-24 2003-01-24 Chaussure avec serrage automatique

Publications (2)

Publication Number Publication Date
EP1440627A1 EP1440627A1 (fr) 2004-07-28
EP1440627B1 true EP1440627B1 (fr) 2006-03-22

Family

ID=32524254

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03250449A Expired - Lifetime EP1440627B1 (fr) 2003-01-24 2003-01-24 Chaussure avec serrage automatique

Country Status (2)

Country Link
EP (1) EP1440627B1 (fr)
DE (1) DE60304116T2 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005036013A1 (de) * 2005-08-01 2007-02-08 Eberhard Friebe Öffnungs- und Schließvorrichtung für Schuhe
GB0710404D0 (en) * 2007-05-31 2007-07-11 Ussher Timothy J Powered shoe tightening with lace cord guiding system
FR2924577B1 (fr) * 2007-12-07 2010-03-12 Ct Tech Cuir Chaussure Maroqui Article chaussant a serrage facilite
US9241539B1 (en) 2012-06-29 2016-01-26 Jeffrey Keswin Shoelace tightening method and apparatus
US10070681B2 (en) * 2015-05-28 2018-09-11 Nike, Inc. Control device for an article of footwear
KR102263036B1 (ko) * 2018-08-31 2021-06-10 나이키 이노베이트 씨.브이. 오토레이싱 신발류
US11684110B2 (en) 2018-08-31 2023-06-27 Nike, Inc. Autolacing footwear
US11185125B2 (en) 2018-12-28 2021-11-30 Nike, Inc. Footwear with jointed sole structure for ease of access
US11707113B2 (en) 2019-10-18 2023-07-25 Nike, Inc. Easy-access article of footwear with cord lock
EP4044864A1 (fr) 2019-10-18 2022-08-24 NIKE Innovate C.V. Dispositif de blocage pour un cordon d'ajustement d'un article pouvant être porté
CN114727688B (zh) * 2019-11-25 2024-06-18 耐克创新有限合伙公司 用于可穿戴物品的张力保持***

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5205055A (en) * 1992-02-03 1993-04-27 Harrell Aaron D Pneumatic shoe lacing apparatus
US6032387A (en) * 1998-03-26 2000-03-07 Johnson; Gregory G. Automated tightening and loosening shoe
DE19833801A1 (de) * 1998-07-28 2000-02-03 Erich Brosig Verschluß für einen Schuh
GB2364884B (en) * 2000-07-28 2003-09-10 Lung-Chiao Chou Shoe with automatic tie fastening and unfastening
DE10109673A1 (de) * 2001-02-28 2002-09-05 Gerhard Stoes Vorrichtung zum automatischen Öffnen und Schließen von Schuhen

Also Published As

Publication number Publication date
DE60304116D1 (de) 2006-05-11
DE60304116T2 (de) 2006-08-17
EP1440627A1 (fr) 2004-07-28

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