US20220225736A1 - Shoe - Google Patents

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Publication number
US20220225736A1
US20220225736A1 US17/617,286 US201917617286A US2022225736A1 US 20220225736 A1 US20220225736 A1 US 20220225736A1 US 201917617286 A US201917617286 A US 201917617286A US 2022225736 A1 US2022225736 A1 US 2022225736A1
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US
United States
Prior art keywords
tightening
eyelet
clasp
shoe according
shoe
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.)
Pending
Application number
US17/617,286
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English (en)
Inventor
Kana Kagami
Ayu Bessho
Kenta Moriyasu
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.)
Asics Corp
Original Assignee
Asics Corp
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Filing date
Publication date
Application filed by Asics Corp filed Critical Asics Corp
Assigned to ASICS CORPORATION reassignment ASICS CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BESSHO, Ayu, KAGAMI, KANA, MORIYASU, KENTA
Publication of US20220225736A1 publication Critical patent/US20220225736A1/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/14—Clamp fastenings, e.g. strap fastenings; Clamp-buckle fastenings; Fastenings with toggle levers
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C1/00—Shoe lacing fastenings
    • A43C1/003—Zone lacing, i.e. whereby different zones of the footwear have different lacing tightening degrees, using one or a plurality of laces
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/06—Running shoes; Track shoes
    • 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
    • A43C1/00—Shoe lacing fastenings
    • A43C1/06—Shoe lacing fastenings tightened by draw-strings
    • 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
    • A43C11/14—Clamp fastenings, e.g. strap fastenings; Clamp-buckle fastenings; Fastenings with toggle levers
    • A43C11/1493—Strap fastenings having hook and loop-type fastening elements

Definitions

  • the present invention relates to a shoe.
  • Patent Literature 1 describes a shoe that includes a shoelace for tightening the upper, and a fastener provided midway along the shoelace.
  • the shoelace passes, in a zigzag pattern, through eyelets formed on the both side parts of the upper between which an opening is provided, and an end of the shoelace is fixed to the upper.
  • the fastener is fixed around the wearing opening on the top of the upper.
  • Patent Literature 1 Specification of U.S. Pat. No. 9,730,492
  • Patent Literature 2 Specification of U.S. Pat. No. 5,353,483
  • Patent Literature 3 Japanese Unexamined Patent Application Publication No. 10-179210
  • Patent Literature 4 Japanese Translation of PCT International Application Publication No. 2018-532554
  • Patent Literature 5 Japanese Patent No. 6236142
  • Patent Literature 6 Japanese Patent No. 6117380
  • the present invention has been made in view of such an issue, and a purpose thereof is to provide a shoe of which the upper can be easily tightened and of which the fit can be maintained.
  • a shoe according to an embodiment of the present invention includes a sole, an upper provided above the sole to accommodate a foot, a tightening part that applies tightening force to the upper, and a force transmitter that transmits tightening force from the tightening part to a lower part of a midfoot portion of the upper.
  • the present invention provides a shoe of which the upper can be easily tightened and of which the fit can be maintained.
  • FIG. 1 is a plan view that schematically illustrates a shoe according to an embodiment of the present invention
  • FIG. 2 is a front view of the shoe shown in FIG. 1 ;
  • FIG. 3 is a side view of the shoe shown in FIG. 1 ;
  • FIG. 4 is a plan view that illustrates the vicinity of a tightening part of the shoe shown in FIG. 1 ;
  • FIG. 5 is a plan view that illustrates positional relationships among a shoelace of the shoe shown in FIG. 1 , and the thenar eminence and the hypothenar eminence of a wearer;
  • FIG. 6 is a plan view that schematically illustrates a shoe according to a first modification
  • FIG. 7 is a side view of the shoe shown in FIG. 6 ;
  • FIG. 8 is a side view that schematically illustrates a shoe according to a second modification.
  • FIG. 1 is a plan view that schematically illustrates the shoe 100 according to the embodiment.
  • FIG. 1 illustrates a shoe for a right foot, unless otherwise specified. However, the description in the present specification is also applicable to a shoe for a left foot.
  • FIG. 2 is a front view of the shoe 100 .
  • FIG. 3 is a side view of the shoe 100 .
  • FIG. 3 shows the shoe 100 viewed from the lateral side of the foot.
  • the shoe 100 of the present embodiment can be used for walking shoes, running shoes, safety shoes, and sports shoes for tennis or basketball, for example, and the use of the shoe 100 is not limited.
  • the shoe 100 includes a sole 10 and an upper 20 .
  • a portion on the medial side (the left side in FIG. 1 ) with respect to a center line La in a width direction of the upper 20 will be referred to as a medial portion 22
  • a portion on the lateral side (the right side in FIG. 1 ) with respect to the center line La in a width direction of the upper 20 will be referred to as a lateral portion 24 .
  • the direction from the lateral side toward the medial side of the foot will be referred to as the inner side, and the opposite direction will be referred to as the outer side. Further, a direction along the center line La will be referred to as a “longitudinal direction”.
  • a width direction is perpendicular to the center line La.
  • a portion corresponding to the metatarsal bones (see also FIG. 5 ) in a longitudinal direction will be referred to as a midfoot portion 20 m.
  • the midfoot portion 20 m corresponds to a region from 25% to 85% or, more exactly, from 30% to 80%, from the tip, in a range parallel with a straight line perpendicular to the center line La.
  • a portion in front of the midfoot portion 20 m in a longitudinal direction will be referred to as a forefoot portion 20 f
  • a portion in the rear of the midfoot portion 20 m in a longitudinal direction will be referred to as a rearfoot portion 20 g.
  • the forefoot portion 20 f is a portion that almost corresponds to the phalanges
  • the rearfoot portion 20 g is a portion that almost corresponds to the tarsals.
  • the upper side In the state where the shoe 100 is placed on a horizontal plane (hereinafter, referred to as a “horizontal state”), the upper side will be referred to as the “upper side” or “above”, and the opposite side will be referred to as the “lower side” or “below”. Also, in a horizontal state, a direction extending vertically will be referred to as a “vertical direction”.
  • the sole 10 is a portion to be in contact with the ground.
  • the sole 10 includes an outsole 12 and an insole 14 .
  • the upper 20 is fixed by means of bonding or the like.
  • the sole 10 may include a midsole between the outsole 12 and the insole 14 .
  • the sole 10 may have a unisole structure and need not necessarily include the insole 14 .
  • the upper 20 is provided above the sole 10 to accommodate a foot.
  • the upper 20 surrounds an internal space 20 a for accommodating a foot.
  • a central opening 20 c is formed from a wearing opening 20 b toward the front.
  • the central opening 20 c is not an essential configuration, and the upper 20 may have a so-called monosock structure.
  • the upper 20 includes the medial portion 22 , the lateral portion 24 , an eyelet formation part 26 , and eyelet parts 28 .
  • a tightening part 30 for applying tightening force to the upper 20 is provided, and a force transmitter 18 for transmitting the tightening force from the tightening part 30 to a lower part of the midfoot portion 20 m of the upper 20 is also provided.
  • the force transmitter 18 includes a clasp 36 for detachably fixing the tightening part 30 to the upper 20 , and a receiving part 38 . Also, on the upper 20 , a position adjustment mechanism 42 and a shoe tongue 70 are provided.
  • FIG. 1 shows a state where the clasp 36 is not fixed to the upper 20
  • each of FIGS. 2 and 3 shows a state where the clasp 36 is fixed to the upper 20 .
  • the tightening part 30 tightens the upper 20 .
  • the tightening part 30 in this example is disposed to across the central opening 20 c in a width direction.
  • the tightening part 30 applies, to the upper 20 , tightening force for closing the central opening 20 c in the width directions.
  • the tightening part 30 may include a belt-shaped member, a string-shaped member, or the both.
  • the tightening part 30 in the present embodiment is a shoelace 30 s, which includes a first portion 32 and a second portion 34 formed continuously.
  • the first portion 32 corresponds to a portion from a boundary 30 b between the first portion 32 and the second portion 34 to an end 32 e of the shoelace 30 s.
  • the second portion 34 corresponds to a portion from the boundary 30 b between the first portion 32 and the second portion 34 to an end 34 e of the shoelace 30 s.
  • the boundary 30 b and the ends 32 e and 34 e will be described later.
  • the eyelet parts 28 in this example are grommets that each have a hole vertically piercing.
  • the eyelet parts 28 are formed in the eyelet formation part 26 provided along a circumferential edge of the central opening 20 c of the upper 20 .
  • the eyelet formation part 26 includes a first formation part 26 a provided in the medial portion 22 , and a second formation part 26 b provided in the lateral portion 24 .
  • the eyelet formation part 26 may be formed of a material having lower elasticity or flexibility than the surrounding portions, a material thicker than the surrounding portions, a material denser than the surrounding portions, or a material harder than the surrounding portions. Also, the eyelet formation part 26 may be formed of the same material as the surrounding portions.
  • the eyelet parts 28 in the present embodiment include outer eyelet parts 28 e provided on the lateral side, and inner eyelet parts 28 j provided on the medial side. Multiple inner eyelet parts 28 j are provided in the first formation part 26 a, and multiple outer eyelet parts 28 e are provided in the second formation part 26 b. To even the tightening force distribution in a longitudinal direction, the number of inner eyelet parts 28 j (five, for example) is larger than the number of outer eyelet parts 28 e (four, for example). Also, the number of inner eyelet parts 28 j is odd, and the number of outer eyelet parts 28 e is even, so that the sum of them becomes an odd number. Accordingly, the outer eyelet parts 28 e and the inner eyelet parts 28 j are arranged to be asymmetric in a width direction.
  • the clasp 36 is a member for detachably fixing the tightening part 30 to the lower part of the midfoot portion 20 m of the upper 20 and corresponds to the force transmitter.
  • the clasp 36 is connected to the receiving part 38 provided on the upper 20 so as to be fixed to the upper 20 . Accordingly, the clasp 36 is placed in a fixed state of being connected to the receiving part 38 , and an unfixed state of being separated from the receiving part 38 .
  • the clasp 36 is fixed, it is preferable that the clasp 36 is fixed around a boundary part 20 h between the upper 20 and the sole 10 , on the lateral side of the midfoot portion 20 m.
  • the receiving part 38 has only to be fixed onto a line that constitutes the contour of the upper 20 in top view or to a position below the line.
  • the receiving part 38 may be fixed to a side surface of the sole 10 .
  • the contour of the upper 20 is a line obtained by connecting outermost projecting parts in the upper 20 .
  • the clasp 36 has only to be capable of fixing the tightening part 30 and may be a hook-and-loop fastener, a hook, a magnet, or the like.
  • the clasp 36 is a male part of a resin buckle
  • the receiving part 38 is a female part of the buckle.
  • the clasp 36 and the receiving part 38 may also be a front release buckle or a side release buckle.
  • the fixed position of the clasp 36 may desirably be adjustable.
  • the position adjustment mechanism 42 is provided in the present embodiment with which the fixed position of the clasp 36 on the upper 20 can be shifted in the longitudinal directions.
  • the position adjustment mechanism 42 may be a slider mechanism.
  • the position adjustment mechanism 42 in the present embodiment includes a rail member 42 b provided on the lateral portion 24 of the upper 20 such as to extend in a longitudinal direction, and a slider 42 s provided to be longitudinally movable along the rail member 42 b.
  • the receiving part 38 is fixed.
  • the position adjustment mechanism is not essential, and the position of the receiving part 38 may also be fixed.
  • the shoe tongue 70 covers the central opening 20 c from the internal space 20 a side of the upper 20 .
  • a so-called split tongue may be adopted in which the ends in a width direction thereof are fixed respectively at the left and right ends of the central opening 20 c, and a middle portion of the shoe tongue 70 is split into left and right parts.
  • FIG. 4 is also referred to.
  • FIG. 4 is a plan view that illustrates the vicinity of the tightening part 30 .
  • FIG. 4 illustrates the clasp 36 partially cut out.
  • the multiple inner eyelet parts 28 j will be respectively referred to as eyelet parts 28 j 1 , 28 j 2 , 28 j 3 , 28 j 4 , and 28 j 5 serially from the front toward the rear.
  • the multiple outer eyelet parts 28 e will be respectively referred to as eyelet parts 28 e 1 , 28 e 2 , 28 e 3 , and 28 e 4 serially from the front toward the rear.
  • the eyelet parts 28 j 1 , 28 j 2 , 28 j 3 , 28 j 4 , and 28 j 5 may be evenly spaced or may be partially spaced unevenly. Also, the eyelet parts 28 e 1 , 28 e 2 , 28 e 3 , and 28 e 4 may be evenly spaced or may be partially spaced unevenly.
  • the eyelet part 28 j 3 which is disposed in the middle in a longitudinal direction among the inner eyelet parts 28 j, will be particularly referred to as a middle eyelet part 28 j 3 .
  • a part laid through the middle eyelet part 28 j 3 is defined as the boundary 30 b between the first portion 32 and the second portion 34 .
  • a portion extending from the middle eyelet part 28 j 3 toward the rear side is defined as the first portion 32 .
  • a portion extending from the middle eyelet part 28 j 3 toward the front side is defined as the second portion 34 . Accordingly, the first portion 32 and the second portion 34 have a relationship such that, when one of them becomes longer, the other becomes shorter. Therefore, the position of the boundary 30 b in the entire length of the tightening part 30 changes accordingly.
  • the end 32 e of the first portion 32 and the end 34 e of the second portion 34 are fixed to the lateral side of the upper 20 .
  • the end 32 e of the first portion 32 is fixed at the eyelet part 28 e 2 , which is the second outer eyelet part 28 e from the front.
  • the end 34 e of the second portion 34 is fixed at the eyelet part 28 e 4 , which is the fourth outer eyelet part 28 e from the front (or the rearmost outer eyelet part 28 e ).
  • An end being fixed as used herein means that, even when the clasp 36 is pulled, the end is retained without coming out of the corresponding eyelet part.
  • the fixing structure for the ends 32 e and 34 e is not particularly limited.
  • each of the ends 32 e and 34 e a knot (node) that is large enough not to pass through the corresponding eyelet part 28 e is formed.
  • Each of the ends 32 e and 34 e may also be configured with a lace stopper member.
  • extension lace parts 32 j and 34 j Portions of the shoelace 30 s extending from the knots at the ends 32 e and 34 e toward the side opposite to the eyelet parts 28 e will be respectively referred to as extension lace parts 32 j and 34 j, as illustrated in FIG. 1 .
  • the tips of the extension lace parts 32 j and 34 j may be free ends. Also, each of the tips of the extension lace parts 32 j and 34 j may be cut off at an appropriate length for each wearer.
  • the lengths of the first portion 32 and the second portion 34 are made adjustable at the end 32 e of the first portion 32 and the end 34 e of the second portion 34 .
  • the tip side with respect to a knot may be cut to an appropriate length.
  • a dial-type length adjustment mechanism may be provided, for example. In these cases, the lengths can be easily adjusted.
  • the first portion 32 extends from the eyelet part 28 e 4 to the eyelet part 28 j 5 , from the eyelet part 28 j 5 to the eyelet part 28 j 1 , from the eyelet part 28 j 1 to the eyelet part 28 e 1 , and from the eyelet part 28 e 1 to the middle eyelet part 28 j 3 .
  • the portion from the eyelet part 28 j 5 to the eyelet part 28 j 1 is pulled out to the inner side to constitute a lead part 32 p.
  • the clasp 36 is provided in the lead part 32 p.
  • Each portion extending between an inner eyelet part 28 j and an outer eyelet part 28 e in the first portion 32 will be referred to as an inward-outward extending part 32 k.
  • the second portion 34 extends from the eyelet part 28 e 2 to the eyelet part 28 j 2 , from the eyelet part 28 j 2 to the eyelet part 28 j 4 , from the eyelet part 28 j 4 to the eyelet part 28 e 3 , and from the eyelet part 28 e 3 to the middle eyelet part 28 j 3 .
  • the portion from the eyelet part 28 j 2 to the eyelet part 28 j 4 is pulled out to the inner side to constitute a lead part 34 p.
  • the clasp 36 is provided in the lead part 34 p.
  • Each portion extending between an inner eyelet part 28 j and an outer eyelet part 28 e in the second portion 34 will be referred to as an inward-outward extending part 34 k.
  • the lead parts 32 p and 34 p in this example pass through a passage within the clasp 36 . Accordingly, pulling the clasp 36 applies tension to the first portion 32 and the second portion 34 , thereby applying tightening force to the upper 20 .
  • the clasp 36 is disposed on both the first portion 32 and the second portion 34 .
  • the clasp 36 is attached such as to be relatively movable with respect to the first portion 32 and the second portion 34 . Accordingly, by changing the positional relationship between the boundary 30 b of the first portion 32 and the second portion 34 and the clasp 36 , one of the first portion 32 and the second portion 34 can be made shorter to strengthen the tightening force therein, and the other can be made longer to weaken the tightening force therein.
  • the first portion 32 and the second portion 34 are sectioned into front portions 32 f and 34 f located forward of the clasp 36 , and rear portions 32 b and 34 b located rearward of the clasp 36 , respectively.
  • the clasp 36 is disposed between the front portions 32 f, 34 f and the rear portions 32 b, 34 b.
  • FIG. 5 is also referred to.
  • FIG. 5 is a plan view that illustrates positional relationships among the shoelace 30 s, and the thenar eminence and the hypothenar eminence of a wearer.
  • a straight line connecting the hypothenar eminence and the thenar eminence of the wearer is denoted by a reference character Lb.
  • the straight line Lb is inclined by 15 degrees in the clockwise direction with respect to a width direction in plan view.
  • the rearmost part of the first portion 32 constitutes a top line 30 h of the tightening part 30
  • the forefront part of the first portion 32 constitutes a bottom line 30 j of the tightening part 30 .
  • each of the top line 30 h and the bottom line 30 j is inclined by a predetermined angle On with respect to a width direction.
  • the predetermined angle On may be an angle approximate to the positional relationship between the thenar eminence and the hypothenar eminence of a wearer in plan view, such as 15 degrees.
  • the positional relationship between the eyelet part 28 j 5 and the eyelet part 28 e 4 , through which the top line 30 h passes, is approximate to the positional relationship between the thenar eminence and the hypothenar eminence of a wearer.
  • a straight line connecting the eyelet part 28 j 5 and the eyelet part 28 e 4 extends substantially in parallel with the straight line connecting the thenar eminence and the hypothenar eminence.
  • the positional relationship between the eyelet part 28 j 1 and the eyelet part 28 e 1 , through which the bottom line 30 j passes, is approximate to the positional relationship between the thenar eminence and the hypothenar eminence of a wearer.
  • a straight line connecting the eyelet part 28 j 1 and the eyelet part 28 e 1 extends substantially in parallel with the straight line connecting the thenar eminence and the hypothenar eminence.
  • the tightening part 30 in the present embodiment is configured such that the tightening force acts in directions in which the thenar eminence and the hypothenar eminence come closer to each other.
  • the tightening part 30 is configured such as to tighten the upper 20 in directions substantially parallel with the straight line connecting the hypothenar eminence and the thenar eminence.
  • an average of the extending directions of the inward-outward extending parts 32 k and 34 k located between the inner eyelet parts 28 j and the outer eyelet parts 28 e is set to be substantially parallel with the straight line connecting the hypothenar eminence and the thenar eminence.
  • the straight line connecting the thenar eminence and the hypothenar eminence is inclined by about 15 degrees with respect to a width direction such that the lateral side is positioned rearward of the medial side.
  • the inward-outward extending part 32 k extending from the eyelet part 28 e 1 to the middle eyelet part 28 j 3 is inclined such that the medial side is positioned rearward of the lateral side.
  • the inward-outward extending part 34 k extending from the eyelet part 28 e 3 to the middle eyelet part 28 j 3 is greatly inclined such that the lateral side is positioned rearward of the medial side. Including these, an average of the extending directions (i.e., directions of tension) of the inward-outward extending parts 32 k and 34 k is inclined by about 15 degrees with respect to a width direction.
  • top lines of the wearing opening 20 b may be provided symmetrically. However, in the present embodiment, the top lines on the lateral side and the medial side are provided asymmetrically as illustrated in FIG. 1 , in terms of ease of wearing.
  • the wearer When putting on a shoe, the wearer often inverts the foot (with the hallux side positioned higher) to insert the foot into the wearing opening 20 b. Accordingly, the wearer can put on the shoe more easily when the hallux side of the wearing opening 20 b is open.
  • a top line 20 e on the medial side (hallux side) of the wearing opening 20 b in the upper 20 is positioned forward of a top line 20 j on the lateral side of the wearing opening 20 b.
  • the top line 20 j is positioned near the eyelet part 28 e 4 at which the end 32 e on the rear side of the shoelace 30 s is fixed. As illustrated in FIG. 2 , the top line 20 j is positioned higher than the top line 20 e.
  • the shoe 100 includes the sole 10 , the upper 20 provided above the sole 10 to accommodate a foot, the tightening part 30 that applies tightening force to the upper 20 , and the force transmitter 18 that transmits tightening force from the tightening part 30 to a lower part of the midfoot portion 20 m of the upper 20 .
  • the tightening part 30 can be fixed to the lower part of the midfoot portion 20 m of the upper 20 , contributing to evening of the tightening force distribution in a longitudinal direction.
  • the force transmitter 18 includes the clasp 36 that detachably fixes the tightening part 30 to the upper 20 .
  • the tightening force can be transmitted to the upper 20 .
  • the clasp 36 is fixed to the upper 20 , around the boundary part 20 h between the upper 20 and the sole 10 .
  • the tightening force can be certainly applied to a foot, contributing to the evening of the tightening force distribution.
  • the tightening part 30 includes the first portion 32 and the second portion 34 formed continuously with each other.
  • the clasp 36 is provided on both the first portion 32 and the second portion 34 .
  • the tightening part 30 is a shoelace.
  • the upper 20 includes the eyelet parts 28 through which the first portion 32 or the second portion 34 passes.
  • the end 32 e of the first portion 32 and the end 34 e of the second portion 34 are fixed to the lateral side of the upper 20 .
  • the clasp 36 is fixed to the lateral side.
  • the shoelace can be easily tightened from the medial side toward the lateral side. This can contribute to the evening of the tightening force distribution.
  • the eyelet parts 28 include the outer eyelet parts 28 e provided on the lateral side and the inner eyelet parts 28 j provided on the medial side.
  • the number of inner eyelet parts 28 j is larger than the number of outer eyelet parts 28 e. In this case, tightening can be performed dispersedly at multiple positions equal in number to the inner eyelet parts 28 j, contributing to the evening of the tightening force distribution.
  • the lengths of the first portion 32 and the second portion 34 are adjustable at at least one of the clasp 36 , the end 32 e of the first portion 32 , and the end 34 e of the second portion 34 .
  • the length of the shoelace 30 s can be adjusted based on the foot size.
  • the rearmost part of the first portion 32 constitutes the top line 30 h of the tightening part 30
  • the forefront part of the first portion 32 constitutes the bottom line 30 j of the tightening part 30
  • the lateral side is positioned rearward of the medial side. In this case, a line corresponding to the bases of toes and the MP joints can be appropriately tightened.
  • the shoe includes the position adjustment mechanism 42 with which the fixed position of the clasp 36 can be shifted in a longitudinal direction.
  • the clasp 36 can be fixed at an appropriate position in a longitudinal direction.
  • the top line 20 e on the medial side of the wearing opening 20 b in the upper 20 is positioned forward of the top line 20 j on the lateral side of the wearing opening 20 b. In this case, when a wearer puts on the shoe 100 , the medial side of the wearing opening 20 b is opened, so that the wearing and removing of the shoe becomes easier.
  • the tightening part 30 tightens the upper 20 in a direction substantially parallel with a straight line connecting a hypothenar eminence and a thenar eminence.
  • force acts such that the hypothenar eminence and the thenar eminence are broadened and the transverse arch is deformed; however, tightening the foot such that the hypothenar eminence and the thenar eminence come closer to each other can contribute to the maintaining of the transverse arch.
  • FIG. 6 is a plan view that schematically illustrates a shoe 200 according to the first modification and corresponds to FIG. 1 .
  • FIG. 7 is a side view of the shoe 200 and corresponds to FIG. 3 .
  • the present modification differs from the embodiment in that the tightening part 30 includes a belt part 30 m in addition to the shoelace 30 s and that first and second hook-and-loop fasteners 36 m and 38 m are employed as the clasp 36 , instead of a buckle.
  • a base end 30 n of the belt part 30 m is fixed to the medial portion 22 of the upper 20 .
  • the belt part 30 m has a thin rectangular shape extending from the base end 30 n in a width direction, and, on a leading end 30 p thereof, the first hook-and-loop fastener 36 m is provided.
  • a lead support 30 q is formed such that the lead parts 32 p and 34 p of the shoelace 30 s pass therethrough.
  • the lead support 30 q is a passage through which the lead parts 32 p and 34 p pass in a longitudinal direction.
  • the second hook-and-loop fastener 38 m is provided on the upper 20 , around the boundary part 20 h between the upper 20 and the sole 10 .
  • One of the first hook-and-loop fastener 36 m and the second hook-and-loop fastener 38 m has a hook face, and the other thereof has a loop face. Accordingly, the first hook-and-loop fastener 36 m can be detachably fixed onto the second hook-and-loop fastener 38 m. Fixing the first hook-and-loop fastener 36 m onto the second hook-and-loop fastener 38 m can tighten the upper 20 . Also, detaching the first hook-and-loop fastener 36 m from the second hook-and-loop fastener 38 m can release the tightening of the upper 20 .
  • the first modification describes an example in which the tightening part 30 is constituted by a single belt-shaped member.
  • the tightening part 30 may include multiple belt-shaped members.
  • the tightening part 30 may include two or more thin rectangular portions extending in a width direction. In this case, the base ends of the two or more thin rectangular portions may be connected with each other or may be separated from each other. Also, the leading ends of the two or more thin rectangular portions may be connected with each other or may be separated from each other.
  • FIG. 8 is a side view that schematically illustrates the shoe 300 according to the second modification and corresponds to FIG. 3 .
  • the force transmitter 18 in the present modification includes the clasp 36 for detachably fixing the shoelace 30 s to the upper 20 , and a member for drawing a middle part of the shoelace 30 s toward the lower part of the midfoot portion 20 m of the upper 20 .
  • the present modification differs from the embodiment particularly in the fixing structure for the lead parts 32 p and 34 p in the tightening part 30 , and the other configurations are similar to those in the embodiment. Accordingly, the fixing structure for the lead parts 32 p and 34 p will be mainly described.
  • the fixing structure for the lead parts 32 p and 34 p in the present modification includes an extension part 44 and a middle support 46 .
  • the middle support 46 exemplifies the member for drawing the middle part of the shoelace 30 s and corresponds to the force transmitter.
  • the embodiment describes an example in which the lead parts 32 p and 34 p of the shoelace 30 s are connected directly to the clasp 36 .
  • the lead parts 32 p and 34 p are connected to the clasp 36 via the extension part 44 .
  • the extension part 44 is a belt-shaped member formed of a flexible material, such as cloth.
  • a loop part 44 b is provided such that the lead parts 32 p and 34 p pass therethrough.
  • the loop part 44 b may be formed by folding back, for example.
  • the loop need not necessarily be closed, and part of the loop may be open.
  • a hook may be provided instead of the loop part 44 b.
  • the clasp 36 is fixed.
  • the clasp 36 is a male part of a resin buckle.
  • the fixed position of the receiving part 38 is not particularly limited.
  • the receiving part 38 is fixed to the lateral side of the rearfoot portion 20 g in the upper 20 .
  • the receiving part 38 is fixed onto or above a line that constitutes the contour of the upper 20 in top view.
  • the receiving part 38 may be fixed below the line.
  • the receiving part 38 may be fixed directly to the upper 20
  • the receiving part 38 in this example is fixed to the upper 20 via a belt 38 b.
  • the receiving part 38 may be fixed directly to the upper 20 .
  • the receiving part 38 is a female part of a resin buckle.
  • the middle support 46 supports bundled middle regions of the lead parts 32 p and 34 p of the shoelace 30 s so as to concentrate the directions of tension (tightening force) of the lead parts 32 p and 34 p at the lower part of the midfoot portion 20 m of the upper 20 .
  • the middle support 46 draws middle parts 32 q and 34 q of the lead parts 32 p and 34 p toward the lower part of the midfoot portion 20 m to support the middle parts 32 q and 34 q.
  • the configuration of the middle support 46 is not particularly limited, as long as it can apply, to the lead parts 32 p and 34 p, tension toward a predetermined position.
  • the middle support 46 is a member including a loop part 46 b through which the middle parts 32 q and 34 q of the lead parts 32 p and 34 p are made to pass, and the middle support 46 applies frontward and downward tension to the middle parts 32 q and 34 q.
  • the middle support 46 is a belt-shaped member formed of an elastic or flexible material, such as cloth, and the loop part 46 b is formed by folding back the belt-shaped member. In the loop part 46 b, the loop need not necessarily be closed, and part of the loop may be open.
  • the middle support 46 may include, instead of the loop part 46 b, a hook through which the middle parts 32 q and 34 q are made to pass, or a projection around which the middle parts 32 q and 34 q are hooked.
  • the position of an upper edge of the loop part 46 b may desirably be below the contour of the upper.
  • a base end 46 a of the middle support 46 is fixed to the upper 20 , around the boundary part 20 h between the upper 20 and the sole 10 .
  • the loop part 46 b is positioned on the upper rear side with respect to the base end 46 a.
  • the abovementioned positional relationship between the base end 46 a and the loop part 46 b of the middle support 46 can apply, to the upper, the tension (tightening force) of the lead parts 30 s and 34 p among the lead parts more effectively.
  • the clasp 36 and the like are provided on the front side, it is preferable to dispose the loop part 46 b on the upper front side with respect to the base end 46 a.
  • the middle support 46 may be configured with a position adjustment mechanism such as to be movable in the longitudinal directions.
  • the clasp 36 and the receiving part 38 may be configured as hook-and-loop fasteners, hooks, magnets, or the like, instead of a resin buckle.
  • the present invention is not limited thereto.
  • the numbers may be equal, or the number of inner eyelet parts 28 j may be smaller than the number of outer eyelet parts 28 e.
  • the present invention is not limited thereto and multiple clasps may be provided.
  • the clasp may be configured to be fixable to multiple positions in the upper.
  • the receiving part may be configured to be attachable and detachable, and the attachment parts therefor may be provided at multiple positions. Further, separate clasps may be provided respectively in the first portion 32 and the second portion 34 .
  • the embodiment describes an example in which the clasp 36 is fixed to the upper 20 , the present invention is not limited thereto.
  • the clasp 36 may be fixed to a portion extending from the sole 10 .
  • each eyelet part 28 has only to have a structure through which the shoelace 30 s can be made to pass.
  • the eyelet parts 28 may be lace hook parts, such as hooks, instead of holes.
  • the hole edge of each eyelet part 28 may be reinforced by a reinforcement member or may be made thicker than the vicinity thereof by means of buttonhole stitches, for example.
  • the tightening part 30 includes a single shoelace 30 s
  • the tightening part may include multiple shoelaces.
  • the shoelace 30 s may be formed of a material with high elasticity or flexibility.
  • the stability is considered important, such as in the case of sports shoes, the shoelace 30 s may be formed of a material with low elasticity or flexibility.
  • the receiving part 38 may be disposed on the medial side.
  • a protection cover may be provided to prevent entering of foreign matter, such as a small stone.
  • the clasp 36 may include a mechanism part for adjusting the lengths of the first portion 32 and the second portion 34 .
  • the present invention relates to a tightening part of a shoe and is applicable to a shoe.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
US17/617,286 2019-06-13 2019-06-13 Shoe Pending US20220225736A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/023533 WO2020250389A1 (fr) 2019-06-13 2019-06-13 Chaussure

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US20220225736A1 true US20220225736A1 (en) 2022-07-21

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US17/617,286 Pending US20220225736A1 (en) 2019-06-13 2019-06-13 Shoe

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US (1) US20220225736A1 (fr)
JP (1) JP7336516B2 (fr)
CN (1) CN113950269A (fr)
WO (1) WO2020250389A1 (fr)

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US20210368945A1 (en) * 2020-05-31 2021-12-02 Nike, Inc. Upper for an article of footwear
US20240099427A1 (en) * 2022-09-26 2024-03-28 Gregory Glenn Johnson Shoelace tightening system

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US20030177661A1 (en) * 2002-03-20 2003-09-25 Cheng-Chung Tsai Automatic tying shoelace
US8069588B2 (en) * 2007-11-21 2011-12-06 The North Face Apparel Corporation Adjustable sliding eyelet for footwear
US10582741B2 (en) * 2016-10-25 2020-03-10 Under Armour, Inc. Article of footwear with dynamic tensioning system

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US4081916A (en) * 1977-02-03 1978-04-04 Thomas Salisbury Quick lace tightener for shoes
US5027482A (en) * 1990-01-24 1991-07-02 Central Dupage Pedorthics, Inc. Securing device for shoes
US5345697A (en) * 1992-11-06 1994-09-13 Salomon S.A. Boot tightened by a flexible link
US20030177661A1 (en) * 2002-03-20 2003-09-25 Cheng-Chung Tsai Automatic tying shoelace
US8069588B2 (en) * 2007-11-21 2011-12-06 The North Face Apparel Corporation Adjustable sliding eyelet for footwear
US10582741B2 (en) * 2016-10-25 2020-03-10 Under Armour, Inc. Article of footwear with dynamic tensioning system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210368945A1 (en) * 2020-05-31 2021-12-02 Nike, Inc. Upper for an article of footwear
US11839264B2 (en) * 2020-05-31 2023-12-12 Nike, Inc. Upper for an article of footwear
US20240099427A1 (en) * 2022-09-26 2024-03-28 Gregory Glenn Johnson Shoelace tightening system

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WO2020250389A1 (fr) 2020-12-17
JP7336516B2 (ja) 2023-08-31
JPWO2020250389A1 (fr) 2020-12-17
CN113950269A (zh) 2022-01-18

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