CA2226707C - Exercise shoe having fit adaptive upper - Google Patents
Exercise shoe having fit adaptive upper Download PDFInfo
- Publication number
- CA2226707C CA2226707C CA002226707A CA2226707A CA2226707C CA 2226707 C CA2226707 C CA 2226707C CA 002226707 A CA002226707 A CA 002226707A CA 2226707 A CA2226707 A CA 2226707A CA 2226707 C CA2226707 C CA 2226707C
- Authority
- CA
- Canada
- Prior art keywords
- shoe
- foot
- gore
- upper portion
- gap
- 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
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Classifications
-
- 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
- A43B23/04—Uppers made of one piece; Uppers with inserted gussets
- A43B23/045—Uppers with inserted gussets
- A43B23/047—Uppers with inserted gussets the gusset being elastic
-
- 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
- A43B23/0205—Uppers; Boot legs characterised by the material
- A43B23/0235—Different layers of different material
-
- 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
- A43B23/027—Uppers; Boot legs characterised by the constructive form having different properties in different directions with a part of the upper particularly flexible, e.g. permitting articulation or torsion
-
- 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
- A43B23/0295—Pieced uppers
Abstract
An exercise shoe is capable of adapting its fit while being worn. The shoe has a quarter which is split into an upper portion and a side portion on each side of the shoe. In the gap between the upper portion and each respective side portion is an elastic gore which will stretch to permit the upper portion and side portions to move apart from each other as the foot moves during exercise or should the foot swell while being worn. A
comfortable fit may be maintained without manipulating the shoelaces. The elastic gore has a substantial resiliency to pull the upper and side portions of the quarter back together as the foot contracts to maintain a secure fit.
comfortable fit may be maintained without manipulating the shoelaces. The elastic gore has a substantial resiliency to pull the upper and side portions of the quarter back together as the foot contracts to maintain a secure fit.
Description
EXERCISE SHOE HAVING FIT ADAPTIVE UPPER
Back(~round of the Invention This invention relates generally to exercise shoes and more particular to exercise shoes which expand and contract to conform to the foot as the foot moves during exercise and as it swells and contracts.
A shoe worn by a person engaging in exercise (e.g., walking and running) must maintain a secure fit to the :Eoot in order to prevent the shoe from rubbing the foot. At the same time, the shoe must not fit so tightly as to squeeze the foot and cause discomfort. The tighlness or looseness of the fit is ordinarily cont:rolled by the wearer in the tying of the shoe laces.
The :Laces typically extend forward from over a major port:ion of the foot. Portion of the shoe upper on both sides of the shoe can be drawn together more or less tightly by manipulation of the laces as desired by the wearer. In some instances laces might be replaced by a strap having a velcro fastener. Thus, the wearer is ordinarily able to achieve a fit of the shoe which is both comfortable and close-fitting by manipulating the laces.
However, during exercise the foot can be moved to several different positions. Although the shoe may have been comfortable and snug when the lace is tied, it may not be comfortable (or sufficiently snug) when moved during exercise. In addition, it is known that during exercise the foot naturally tends to swell. A fit of the shoe which was comfortable for the wearer just prior to beginning the workout may become too tight after the workout has begun. In order to remain comfortable, the wearer must re-tie his shoes to accommodate the increased size of the foot. Further, the foot is likely not to remain swelled during the entire exercise period. If the demands on the foot are reduced for a time, it may tend to contract from its swelled condition. Now the shoe whic'h was loosened to accommodate the swelled foot fits too loosely causing the shoe to rub the foot unless another adjustment is made. The wearer is left with the choice of either enduring the discomfort, or making multiple stops to adjust the lacing.
Summary of the Invention Among the several objects and features of the present invention may be noted the provision of an exercise shoe which adapts its fit during while being worn; the provision of such a shoe which does not require readjustment by the wearer during a workout; the prov:ision of such a shoe which remains comfortable if the foot swells; the provision of such a shoe which elastically accommodates foot movements to maintain a snug and comfortable fit; the provision of such a shoe which will not rub the foot if the foot contracts; the prov:ision of such a shoe which expands and contracts with the swelling and contraction of the foot to maintain a secure yet comfortable fit; and the provision of such a shoe which has a durable construction.
An exercise shoe of the present invention for walking, running and the like, is capable to adapt its fit during exercise to accommodate foot movement and also swel:Ling and contraction of the foot. The shoe generally comprises a sole having an upper surface adapted to receive a foot thereon. An upper attached to the sole for overlying at least a portion of the foot as the foot is received on the sole includes a quarter and other upper members defining a volume and a throat for receLving the foot into the volume. The quarter includes an upper portion adapted to overlie a top portion of the foot and side portions adapted to overlie respective side port~ons of the foot. The upper portion and side portion on each side of the shoe are disposed in spaced apart relation to define a gap therebetween. A gore at least part:ially disposed in the gap closes the gap and inte:rconnects the upper portion and the side portion of the quarter on each side of the foot. The upper portion and side portion of the quarter are made of a first mate:rial and the gore is made of a second material which is more elastic that the first material. The gores are capable of stretching upon movement or swelling of the foot inside the shoe to expand the space between the upper portion and side portion of the quarter on each side of the upper to increase the size of the volume enclosed by the upper, and to contract as the foot moves to a different position or the swelling goes down to pull the upper portion and side portions closer together and decrease the volume enclosed by the upper so that the upper is capable of an adaptive fit to the foot to maint,ain comfort and security of the fit during exercise.
Other objects and features of the present invention will be in part apparent and in part pointed out hereinafter.
Briei- Description of the Drawinqs FIG. 1 is a side elevation of a shoe of the present invention showing an upper and a sole;
FIG. 2 is a top plan view of the shoe;
FIG. 3 is a bottom plan view of the shoe;
FIG. 4 is a fragmentary longitudinal section taken in the plane including line 4-4 of Fig. 2 with the shoe tongue removed to reveal the internal construction of the shoe in the region of an elastic gore;
FIG. 5 is a fragmentary side elevation with part~3 of the upper of the shoe broken away to show the const:ruction of the shoe in the region of the gore;
FIG. 6 is an enlarged fragmentary section taken in the plane of line 6-6 of Fig. 1 through one side of the upper; and FIG. 7 is an enlarged fragmentary section taken in the plane of line 7-7 of Fig. 1 through one side of the upper.
Corresponding reference characters indicate corresponding parts throughout the several views of the draw:ings.
Deta:iled Description of the Preferred Embodiment Referring now to the drawings and in particular to F:igs. 1 and 2, a shoe constructed according to the principles of the present invention is shown to comprise a so:Le, indicated generally at 10, having an upper surface 12 (Figs. 2 and 4) adapted to receive a foot (not shown) thereon and an upper, indicated generally at 14, attached to the sole for overlying at least a portion of the i-oot as received on the sole. The sole 10 includes a midsole 16 and an outsole (comprising two outsole portions 18) having a tread formed thereon (Fig. 3).
Typically, there may also be a sockliner (not shown) above the midsole 16 for engaging and cushioning the foot. The upper 14 is made up of several pieces which are joined together, including a quarter, generally indicated at 20, a tip 22, a heel piece 24, and a counter 26. Other pieces of the upper are a collar, generally indicated at 28, and a tongue 30. The pieces forming the upper may be collectively referred to as "the upper members".
The heel piece 24 is made as a single piece in the illustrated embodiment which extends around the heel, but could also be made from two or more separate pieces stitched together with the other pieces of the upper 14.
The upper members are arranged to define a volume into which the foot is received when the shoe is worn. The collar 28 and tongue 30 define a throat 32 through which the i-oot passes into the shoe. The tip 22, heel piece 24 and counter 26 are made of leather or a like material CA 02226707 l998-0l-l3 which is pliable, but relatively inelastic. The upper 14 also includes various linings, which will be described in more detail hereinafter, on the inside of the upper members described hereinabove.
The collar 28 iS defined in part by an interior line:r 36 which is padded and has a soft felt-like finish on ils interior for engaging the foot. The interior liner 36 iS illustrated in Fig. 7 as a unitary piece of padd:ing material for simplicity. However, the padding material is actually bonded to felt interior material and another fabric on its exterior which are not illustrated.
The interior liner 36 extends from a sole seam 38 (Fig.
4) where it is joined to the sole 10 up to the top of the Uppe]- 14 and curves over to a first collar seam 40 15 connecting the interior liner to an exterior collar strip 42 made of a fabric including a polymer with a thin foam backing. The backing is not illustrated apart from the fabric for clarity of the drawings. The interior liner 36 and the exterior collar strip 42 are spaced apart 20 internally and contain a soft collar padding 44 (Fig. 7) in the space. The interior liner 36, exterior collar strip 42 and the collar padding 44 extend from the quart:er 20 on one side of the upper 14, rearwardly around the t:hroat 32 and to the quarter on the other side of the 25 shoe to define the collar 28.
The quarter 20 includes an upper portion 46, and t:wo side portions 48 located on opposite sides of the shoe In the illustrated embodiment, the quarter 20 extends from the tip 22 rearwardly on either side to the heel piece 24 and collar 28. The upper portion 46 has an elongate, generally U-shaped cutout 50 which is closed by the t:ongue 30. The tongue is secured at one end to the quart:er 20 at the forward end of the cutout 50 by a first tongue stitch 52 and a second tongue stitch 54 (Fig. 2) .
35 The t:ongue 30 iS also glued to the underside of the upper portion 48. Eyelets 56 in the upper portion 46 along CA 02226707 l998-0l-l3 .
opposite sides of the cutout 50 are capable of receiving shoe:laces (not shown) for lacing up the shoe. The upper port:ion 46 of the quarter 20 iS joined by tip stitching 58 to the tip 22. Along its rearward upper edge the uppe:r portion 46 iS joined to the exterior collar strip 42 by a collar stitch 60 which is a rearward extension of the :Eirst tongue stitch 52. The upper portion 46 iS made of leather in the preferred embodiment but may be made of another suitable material.
The construction of the side portions 48 of the quarter 20 iS substantially identical. Therefore the conslruction of only one of the side portions will be described. The side portion 48 iS joined along a lower edge to the sole 10 by the sole seam 38, along a rearward 15 edge in a heel piece seam 62 to the heel piece 24 and alonq a forward edge by the tip stitch 58 to the tip 22.
The side portion 48 has three elongate breathe holes 66 extending generally upwardly and forwardly from the lower and rearward edges of the side portion. The breathe 20 holeC3 66 are underlaid with a porous fabric underlayment 68 and a padded liner 70, which are also air permeable.
The padded liner 70 includes a thin padding intimately connected to an inner fabric sheet but for purposes of simp~Licity has been illustrated as foam padding in Fig.
Back(~round of the Invention This invention relates generally to exercise shoes and more particular to exercise shoes which expand and contract to conform to the foot as the foot moves during exercise and as it swells and contracts.
A shoe worn by a person engaging in exercise (e.g., walking and running) must maintain a secure fit to the :Eoot in order to prevent the shoe from rubbing the foot. At the same time, the shoe must not fit so tightly as to squeeze the foot and cause discomfort. The tighlness or looseness of the fit is ordinarily cont:rolled by the wearer in the tying of the shoe laces.
The :Laces typically extend forward from over a major port:ion of the foot. Portion of the shoe upper on both sides of the shoe can be drawn together more or less tightly by manipulation of the laces as desired by the wearer. In some instances laces might be replaced by a strap having a velcro fastener. Thus, the wearer is ordinarily able to achieve a fit of the shoe which is both comfortable and close-fitting by manipulating the laces.
However, during exercise the foot can be moved to several different positions. Although the shoe may have been comfortable and snug when the lace is tied, it may not be comfortable (or sufficiently snug) when moved during exercise. In addition, it is known that during exercise the foot naturally tends to swell. A fit of the shoe which was comfortable for the wearer just prior to beginning the workout may become too tight after the workout has begun. In order to remain comfortable, the wearer must re-tie his shoes to accommodate the increased size of the foot. Further, the foot is likely not to remain swelled during the entire exercise period. If the demands on the foot are reduced for a time, it may tend to contract from its swelled condition. Now the shoe whic'h was loosened to accommodate the swelled foot fits too loosely causing the shoe to rub the foot unless another adjustment is made. The wearer is left with the choice of either enduring the discomfort, or making multiple stops to adjust the lacing.
Summary of the Invention Among the several objects and features of the present invention may be noted the provision of an exercise shoe which adapts its fit during while being worn; the provision of such a shoe which does not require readjustment by the wearer during a workout; the prov:ision of such a shoe which remains comfortable if the foot swells; the provision of such a shoe which elastically accommodates foot movements to maintain a snug and comfortable fit; the provision of such a shoe which will not rub the foot if the foot contracts; the prov:ision of such a shoe which expands and contracts with the swelling and contraction of the foot to maintain a secure yet comfortable fit; and the provision of such a shoe which has a durable construction.
An exercise shoe of the present invention for walking, running and the like, is capable to adapt its fit during exercise to accommodate foot movement and also swel:Ling and contraction of the foot. The shoe generally comprises a sole having an upper surface adapted to receive a foot thereon. An upper attached to the sole for overlying at least a portion of the foot as the foot is received on the sole includes a quarter and other upper members defining a volume and a throat for receLving the foot into the volume. The quarter includes an upper portion adapted to overlie a top portion of the foot and side portions adapted to overlie respective side port~ons of the foot. The upper portion and side portion on each side of the shoe are disposed in spaced apart relation to define a gap therebetween. A gore at least part:ially disposed in the gap closes the gap and inte:rconnects the upper portion and the side portion of the quarter on each side of the foot. The upper portion and side portion of the quarter are made of a first mate:rial and the gore is made of a second material which is more elastic that the first material. The gores are capable of stretching upon movement or swelling of the foot inside the shoe to expand the space between the upper portion and side portion of the quarter on each side of the upper to increase the size of the volume enclosed by the upper, and to contract as the foot moves to a different position or the swelling goes down to pull the upper portion and side portions closer together and decrease the volume enclosed by the upper so that the upper is capable of an adaptive fit to the foot to maint,ain comfort and security of the fit during exercise.
Other objects and features of the present invention will be in part apparent and in part pointed out hereinafter.
Briei- Description of the Drawinqs FIG. 1 is a side elevation of a shoe of the present invention showing an upper and a sole;
FIG. 2 is a top plan view of the shoe;
FIG. 3 is a bottom plan view of the shoe;
FIG. 4 is a fragmentary longitudinal section taken in the plane including line 4-4 of Fig. 2 with the shoe tongue removed to reveal the internal construction of the shoe in the region of an elastic gore;
FIG. 5 is a fragmentary side elevation with part~3 of the upper of the shoe broken away to show the const:ruction of the shoe in the region of the gore;
FIG. 6 is an enlarged fragmentary section taken in the plane of line 6-6 of Fig. 1 through one side of the upper; and FIG. 7 is an enlarged fragmentary section taken in the plane of line 7-7 of Fig. 1 through one side of the upper.
Corresponding reference characters indicate corresponding parts throughout the several views of the draw:ings.
Deta:iled Description of the Preferred Embodiment Referring now to the drawings and in particular to F:igs. 1 and 2, a shoe constructed according to the principles of the present invention is shown to comprise a so:Le, indicated generally at 10, having an upper surface 12 (Figs. 2 and 4) adapted to receive a foot (not shown) thereon and an upper, indicated generally at 14, attached to the sole for overlying at least a portion of the i-oot as received on the sole. The sole 10 includes a midsole 16 and an outsole (comprising two outsole portions 18) having a tread formed thereon (Fig. 3).
Typically, there may also be a sockliner (not shown) above the midsole 16 for engaging and cushioning the foot. The upper 14 is made up of several pieces which are joined together, including a quarter, generally indicated at 20, a tip 22, a heel piece 24, and a counter 26. Other pieces of the upper are a collar, generally indicated at 28, and a tongue 30. The pieces forming the upper may be collectively referred to as "the upper members".
The heel piece 24 is made as a single piece in the illustrated embodiment which extends around the heel, but could also be made from two or more separate pieces stitched together with the other pieces of the upper 14.
The upper members are arranged to define a volume into which the foot is received when the shoe is worn. The collar 28 and tongue 30 define a throat 32 through which the i-oot passes into the shoe. The tip 22, heel piece 24 and counter 26 are made of leather or a like material CA 02226707 l998-0l-l3 which is pliable, but relatively inelastic. The upper 14 also includes various linings, which will be described in more detail hereinafter, on the inside of the upper members described hereinabove.
The collar 28 iS defined in part by an interior line:r 36 which is padded and has a soft felt-like finish on ils interior for engaging the foot. The interior liner 36 iS illustrated in Fig. 7 as a unitary piece of padd:ing material for simplicity. However, the padding material is actually bonded to felt interior material and another fabric on its exterior which are not illustrated.
The interior liner 36 extends from a sole seam 38 (Fig.
4) where it is joined to the sole 10 up to the top of the Uppe]- 14 and curves over to a first collar seam 40 15 connecting the interior liner to an exterior collar strip 42 made of a fabric including a polymer with a thin foam backing. The backing is not illustrated apart from the fabric for clarity of the drawings. The interior liner 36 and the exterior collar strip 42 are spaced apart 20 internally and contain a soft collar padding 44 (Fig. 7) in the space. The interior liner 36, exterior collar strip 42 and the collar padding 44 extend from the quart:er 20 on one side of the upper 14, rearwardly around the t:hroat 32 and to the quarter on the other side of the 25 shoe to define the collar 28.
The quarter 20 includes an upper portion 46, and t:wo side portions 48 located on opposite sides of the shoe In the illustrated embodiment, the quarter 20 extends from the tip 22 rearwardly on either side to the heel piece 24 and collar 28. The upper portion 46 has an elongate, generally U-shaped cutout 50 which is closed by the t:ongue 30. The tongue is secured at one end to the quart:er 20 at the forward end of the cutout 50 by a first tongue stitch 52 and a second tongue stitch 54 (Fig. 2) .
35 The t:ongue 30 iS also glued to the underside of the upper portion 48. Eyelets 56 in the upper portion 46 along CA 02226707 l998-0l-l3 .
opposite sides of the cutout 50 are capable of receiving shoe:laces (not shown) for lacing up the shoe. The upper port:ion 46 of the quarter 20 iS joined by tip stitching 58 to the tip 22. Along its rearward upper edge the uppe:r portion 46 iS joined to the exterior collar strip 42 by a collar stitch 60 which is a rearward extension of the :Eirst tongue stitch 52. The upper portion 46 iS made of leather in the preferred embodiment but may be made of another suitable material.
The construction of the side portions 48 of the quarter 20 iS substantially identical. Therefore the conslruction of only one of the side portions will be described. The side portion 48 iS joined along a lower edge to the sole 10 by the sole seam 38, along a rearward 15 edge in a heel piece seam 62 to the heel piece 24 and alonq a forward edge by the tip stitch 58 to the tip 22.
The side portion 48 has three elongate breathe holes 66 extending generally upwardly and forwardly from the lower and rearward edges of the side portion. The breathe 20 holeC3 66 are underlaid with a porous fabric underlayment 68 and a padded liner 70, which are also air permeable.
The padded liner 70 includes a thin padding intimately connected to an inner fabric sheet but for purposes of simp~Licity has been illustrated as foam padding in Fig.
2 5 6. .rhus the interior of the upper 14 may breathe through the breathe holes 66 in the side portion 48. The side portions 48 of the quarter 20 are made of leather in the preferred embodiment but may be made of other suitable materials.
The porous fabric underlayment 68 lies under the side portion 48 of the quarter 20. There are three pads 72 (Fig. 5 only two being shown) disposed between the side portion 48 and the porous underlayment 68. The pads 72 are secured by gluing to one or both of the side portion 48 and the porous underlayment 68. Stitching 74 around the breathe holes 66 also helps to hold the pads 72 in place.
The upper portion 46 and side portion 48 are spaced apart and define an elongate gap 78. The side port:ion 48 also appears to be spaced from the exterior collar strip 42 rearwardly of the upper portion 46 so that the gap 78 appears to extend from the tip 22 rearwardly to the counter 26. However, the gap 78 as discussed hereinafter terminates approximately at the rearward tip 48A of the upper portion 46. The gap 78 is closed by an elastic gore, generally indicated at 80.
The elastic gore is capable of stretching upon swelling of the foot inside the shoe to expand the gap 78 between the upper portion 46 and the side portion 48 of the quarter 20 on each side of the upper 14 to increase the size of the volume enclosed by the upper and to contract the qap as the foot swelling goes down to pull the upper port:ion and the side portions closer together and decrease the volume enclosed by the upper. The gap 78 may also be expanded under forces exerted by the foot on the upper 14 during exercise for re-shaping the upper to accornmodate the foot. Thus, the upper 14 is capable of an adaptive fit to the foot to maintain comfort and snugness of the fit while the shoe is being worn during exercise.
Each elastic gore 80 comprises a first gore member 82 of elastic, unitary sheet material, which is in the preferred embodiment a sheet of Lycra. This material will readily stretch under a force in any direction and return to its original configuration when the stretching force is removed. At the same time, the material will provide a barrier to dirt and moisture to keep them from passing into the interior of the shoe. In the illustrated embodiment, the first gore member 82 is a singLe sheet of material joined along a lower edge margin to the side portion 48 in a lower gap stitch 84 running CA 02226707 l998-0l-l3 long the lower edge of the gap 78, and separately along the :3ame edge margin to the porous fabric underlayment 68. The lower gap stitch 84 merges into the collar stitch 60 at the rear of the gap 78. A reinforcing strip 5 86 connected in the lower gap stitch behind the first gore member 82 also overlaps the underlayment 68 and is secu:red to the underlayment by a line of stitching 88 (Fig. 4). An upper left edge margin of the first gore member 82 iS attached in a second collar seam 90 to the exterior collar strip 42 (see Fig. 5). On the back side of the second collar seam 90 is a second reinforcing strip 92 joined in the seam and overlapping both the collar strip 42 and the first gore member 82 to strengthen the connection.
The first gore member 82 extends up to the first tongue stitch 52, and is joined to the upper portion by the first tongue stitch and also by an upper gap stitch 94 running along the upper edge of gap 78. A
forward edge margin of the first gore member 82 iS also 20 joined to the tip 22 by the tip stitch 58. A third reini-orcing strip 96 overlies the forward edge margin of the i-irst gore member 82 and also a rearward edge margin of a tip liner 98. The third reinforcing strip 96 iS
attached by stitch lines 100 and 102 to the first gore member 82 and the tip liner 98, respectively (Fig. 4) .
A pad 106 iS disposed between the upper portion 46 oi- the quarter 20 and the first gore member 82 (Fig.
5) . The pad is secured in place by lines of pad stitching 108 which also help to secure the first gore member 82 to the upper portion 46.
The elastic gore 80 further includes a second gore member comprising in the illustrated embodiment three elastic straps (designated 110, 112 and 114, respectively), each extending generally across the gap 78 at an angle. The straps are spaced apart from each other generally lengthwise of the shoe. The straps 110, 112, CA 02226707 l998-0l-l3 114 are made of spandex which is elastic like the mate:rial of the first gore member 82, but is much more resi:Lient to urge the elastic gore 80 toward its initial conf:iguration. A first of the straps 110 is joined to the side portion 48 of the quarter 20 and to the heel piece 24 by the heel piece stitch 62. The upper long:itudinal edge of the first strap 110 is attached to the exterior collar strip 42 by the collar stitch 60 and is a:Lso secured in the lower gap stitch 84. After spanning the gap 78, the first strap is secured to the upper portion 46 by upper gap stitch 94. A second and third of the straps 112, 114 are substantially shorter than the first strap 110. The second and third straps 112, 114 are only slightly longer than the width of the 15 gap '78 SO that the straps may extend across the gap at an angle and have end edge margins secured to the upper and lower portion, respectively, by the lower and upper gap stitches 84, 94 on opposite sides of the gap.
Underlying the first and second gore members in 20 the gap 78 iS a layer of lightweight, elastic foam padding and under that a lightweight lining of tricot material which is also elastic. The foam padding and tricot material are intimately joined, and are shown in the drawings (Fig. 6) as a unitary piece of elastic padd Lng 116 for simplicity. The elastic padding 116 iS
joined to the side portion 48 and upper portion 46 by the lower and upper gap stitches 84, 94, and also extends upwardly to the first tongue stitch 52 which further secures the elastic padding to the upper portion 46. A
right end margin (as seen in Fig. 4) iS joined in the second collar seam 90 connecting the first gore member 82 to the exterior collar strip 42. The padding 116 extends forwardly to the third reinforcing strip 96 to which it is joined by stitch line 100 at the forward end of the gap '78.
As shown in Fig. 6, the only components of the uppe:r 14 which span the gap 78 in the portion of the uppe:r where the section is taken are the spandex straps 110, 112, 114, the first gore member 82, and elastic padd:ing 116. All of these are made of elastic material which will permit stretching to widen the gap 78 between the upper portion 46 and side portion 48 of the quarter 20. The construction revealed in the cross section of Fig. 6 is present from the forward end of the gap 78 to the second collar seam 90 between the first gore member 82 and the exterior collar strip 42 (Fig. 5). Referring to F:ig. 7, it may be seen that rearwardly of second collar seam 90, the relatively inelastic exterior collar strip 42 is sewn into both the upper gap stitch 94 runn:ing along the top edge of the gap 78 and the lower gap stitch 84 running along the bottom edge of the gap.
The exterior collar strip 42 material does not permit the gap '78 to be widened by transverse stretching rearwardly of the second collar seam 90.
Thus it may be seen that the several objects and ieatures of the present invention are met in the illustrated embodiment. The quarter 20 can expand and cont]act with the foot by virtue of the gap 78 and the elastic gore within the gap. It is further noted that there is no fixed transverse connection between he side port:ions of the quarter 20 forwardly of the collar 28 and rearwardly of the tip 22 except through the elastic gore.
In view of the above, it will be seen that the several objects of the invention are achieved and other advantageous results attained.
As various changes could be made in the above constructions without departing from the scope of the invention, it is intended that all matter contained in the above description or shown in the accompanying draw:Lngs shall be interpreted as illustrative and not in a lirniting sense.
The porous fabric underlayment 68 lies under the side portion 48 of the quarter 20. There are three pads 72 (Fig. 5 only two being shown) disposed between the side portion 48 and the porous underlayment 68. The pads 72 are secured by gluing to one or both of the side portion 48 and the porous underlayment 68. Stitching 74 around the breathe holes 66 also helps to hold the pads 72 in place.
The upper portion 46 and side portion 48 are spaced apart and define an elongate gap 78. The side port:ion 48 also appears to be spaced from the exterior collar strip 42 rearwardly of the upper portion 46 so that the gap 78 appears to extend from the tip 22 rearwardly to the counter 26. However, the gap 78 as discussed hereinafter terminates approximately at the rearward tip 48A of the upper portion 46. The gap 78 is closed by an elastic gore, generally indicated at 80.
The elastic gore is capable of stretching upon swelling of the foot inside the shoe to expand the gap 78 between the upper portion 46 and the side portion 48 of the quarter 20 on each side of the upper 14 to increase the size of the volume enclosed by the upper and to contract the qap as the foot swelling goes down to pull the upper port:ion and the side portions closer together and decrease the volume enclosed by the upper. The gap 78 may also be expanded under forces exerted by the foot on the upper 14 during exercise for re-shaping the upper to accornmodate the foot. Thus, the upper 14 is capable of an adaptive fit to the foot to maintain comfort and snugness of the fit while the shoe is being worn during exercise.
Each elastic gore 80 comprises a first gore member 82 of elastic, unitary sheet material, which is in the preferred embodiment a sheet of Lycra. This material will readily stretch under a force in any direction and return to its original configuration when the stretching force is removed. At the same time, the material will provide a barrier to dirt and moisture to keep them from passing into the interior of the shoe. In the illustrated embodiment, the first gore member 82 is a singLe sheet of material joined along a lower edge margin to the side portion 48 in a lower gap stitch 84 running CA 02226707 l998-0l-l3 long the lower edge of the gap 78, and separately along the :3ame edge margin to the porous fabric underlayment 68. The lower gap stitch 84 merges into the collar stitch 60 at the rear of the gap 78. A reinforcing strip 5 86 connected in the lower gap stitch behind the first gore member 82 also overlaps the underlayment 68 and is secu:red to the underlayment by a line of stitching 88 (Fig. 4). An upper left edge margin of the first gore member 82 iS attached in a second collar seam 90 to the exterior collar strip 42 (see Fig. 5). On the back side of the second collar seam 90 is a second reinforcing strip 92 joined in the seam and overlapping both the collar strip 42 and the first gore member 82 to strengthen the connection.
The first gore member 82 extends up to the first tongue stitch 52, and is joined to the upper portion by the first tongue stitch and also by an upper gap stitch 94 running along the upper edge of gap 78. A
forward edge margin of the first gore member 82 iS also 20 joined to the tip 22 by the tip stitch 58. A third reini-orcing strip 96 overlies the forward edge margin of the i-irst gore member 82 and also a rearward edge margin of a tip liner 98. The third reinforcing strip 96 iS
attached by stitch lines 100 and 102 to the first gore member 82 and the tip liner 98, respectively (Fig. 4) .
A pad 106 iS disposed between the upper portion 46 oi- the quarter 20 and the first gore member 82 (Fig.
5) . The pad is secured in place by lines of pad stitching 108 which also help to secure the first gore member 82 to the upper portion 46.
The elastic gore 80 further includes a second gore member comprising in the illustrated embodiment three elastic straps (designated 110, 112 and 114, respectively), each extending generally across the gap 78 at an angle. The straps are spaced apart from each other generally lengthwise of the shoe. The straps 110, 112, CA 02226707 l998-0l-l3 114 are made of spandex which is elastic like the mate:rial of the first gore member 82, but is much more resi:Lient to urge the elastic gore 80 toward its initial conf:iguration. A first of the straps 110 is joined to the side portion 48 of the quarter 20 and to the heel piece 24 by the heel piece stitch 62. The upper long:itudinal edge of the first strap 110 is attached to the exterior collar strip 42 by the collar stitch 60 and is a:Lso secured in the lower gap stitch 84. After spanning the gap 78, the first strap is secured to the upper portion 46 by upper gap stitch 94. A second and third of the straps 112, 114 are substantially shorter than the first strap 110. The second and third straps 112, 114 are only slightly longer than the width of the 15 gap '78 SO that the straps may extend across the gap at an angle and have end edge margins secured to the upper and lower portion, respectively, by the lower and upper gap stitches 84, 94 on opposite sides of the gap.
Underlying the first and second gore members in 20 the gap 78 iS a layer of lightweight, elastic foam padding and under that a lightweight lining of tricot material which is also elastic. The foam padding and tricot material are intimately joined, and are shown in the drawings (Fig. 6) as a unitary piece of elastic padd Lng 116 for simplicity. The elastic padding 116 iS
joined to the side portion 48 and upper portion 46 by the lower and upper gap stitches 84, 94, and also extends upwardly to the first tongue stitch 52 which further secures the elastic padding to the upper portion 46. A
right end margin (as seen in Fig. 4) iS joined in the second collar seam 90 connecting the first gore member 82 to the exterior collar strip 42. The padding 116 extends forwardly to the third reinforcing strip 96 to which it is joined by stitch line 100 at the forward end of the gap '78.
As shown in Fig. 6, the only components of the uppe:r 14 which span the gap 78 in the portion of the uppe:r where the section is taken are the spandex straps 110, 112, 114, the first gore member 82, and elastic padd:ing 116. All of these are made of elastic material which will permit stretching to widen the gap 78 between the upper portion 46 and side portion 48 of the quarter 20. The construction revealed in the cross section of Fig. 6 is present from the forward end of the gap 78 to the second collar seam 90 between the first gore member 82 and the exterior collar strip 42 (Fig. 5). Referring to F:ig. 7, it may be seen that rearwardly of second collar seam 90, the relatively inelastic exterior collar strip 42 is sewn into both the upper gap stitch 94 runn:ing along the top edge of the gap 78 and the lower gap stitch 84 running along the bottom edge of the gap.
The exterior collar strip 42 material does not permit the gap '78 to be widened by transverse stretching rearwardly of the second collar seam 90.
Thus it may be seen that the several objects and ieatures of the present invention are met in the illustrated embodiment. The quarter 20 can expand and cont]act with the foot by virtue of the gap 78 and the elastic gore within the gap. It is further noted that there is no fixed transverse connection between he side port:ions of the quarter 20 forwardly of the collar 28 and rearwardly of the tip 22 except through the elastic gore.
In view of the above, it will be seen that the several objects of the invention are achieved and other advantageous results attained.
As various changes could be made in the above constructions without departing from the scope of the invention, it is intended that all matter contained in the above description or shown in the accompanying draw:Lngs shall be interpreted as illustrative and not in a lirniting sense.
Claims (6)
1. An exercise shoe for walking, jogging and running, the shoe being capable to adapt its fit during exercise to accommodate foot movement and swelling and contraction of the foot, the shoe comprising:
a sole (10) having an upper surface (12) adapted to receive a foot thereon; and an upper (14) attached to the sole for overlying at least a portion of the foot as the foot is received on the sole, the upper including a quarter (20) and other upper members (22, 24, 26, 28, 30) defining a volume and a throat (32) for receiving the foot into the volume, the quarter (20) including an upper portion (46) adapted to overlie a top portion of the foot and side portions (48) adapted to overlie respective side portions of the foot, the upper portion and side portion on each side of the shoe being disposed in spaced apart relation to define a gap (78) therebetween, and a gore (80) at least partially disposed in the gap to close the gap and interconnect the upper portion and the side portion of the quarter on each side of the foot, the upper portion and side portion of the quarter being made of a first material and the gore being made of a second material which is more elastic than the first material, each gore (80) comprising a first gore member (82) of elastic sheet material selected to stretch and contract while preventing the passage of dirt and moisture into the shoe volume between the upper portion and the side portion of the quarter, the first gore member being joined to the side portion along a first margin and joined to the upper portion along a second margin opposite and spaced apart from the first margin, and a second gore member (110, 112, 114) of elastic sheet material being joined to the side portion along a first margin and joined to the upper portion along a second margin opposite and spaced apart from the first margin, the elastic material of the second gore member having a greater resiliency than the first elastic material to urge the upper portion and side portion toward each other, one of the first and second gore members substantially overlying the other of the first and second gore members, the gore members (82, 110, 112, 114) being capable of stretching upon movement or swelling of the foot inside the shoe to expand the gap between the upper portion and side portion of the quarter on each side of the upper to increase the size of the volume enclosed by the upper and to contract the gap as the foot moves to another position or the swelling goes down to pull the upper portion and side portions closer together and decrease the volume enclosed by the upper so that the upper is capable of an adaptive fit to the foot to maintain comfort and security of the fit during exercise.
a sole (10) having an upper surface (12) adapted to receive a foot thereon; and an upper (14) attached to the sole for overlying at least a portion of the foot as the foot is received on the sole, the upper including a quarter (20) and other upper members (22, 24, 26, 28, 30) defining a volume and a throat (32) for receiving the foot into the volume, the quarter (20) including an upper portion (46) adapted to overlie a top portion of the foot and side portions (48) adapted to overlie respective side portions of the foot, the upper portion and side portion on each side of the shoe being disposed in spaced apart relation to define a gap (78) therebetween, and a gore (80) at least partially disposed in the gap to close the gap and interconnect the upper portion and the side portion of the quarter on each side of the foot, the upper portion and side portion of the quarter being made of a first material and the gore being made of a second material which is more elastic than the first material, each gore (80) comprising a first gore member (82) of elastic sheet material selected to stretch and contract while preventing the passage of dirt and moisture into the shoe volume between the upper portion and the side portion of the quarter, the first gore member being joined to the side portion along a first margin and joined to the upper portion along a second margin opposite and spaced apart from the first margin, and a second gore member (110, 112, 114) of elastic sheet material being joined to the side portion along a first margin and joined to the upper portion along a second margin opposite and spaced apart from the first margin, the elastic material of the second gore member having a greater resiliency than the first elastic material to urge the upper portion and side portion toward each other, one of the first and second gore members substantially overlying the other of the first and second gore members, the gore members (82, 110, 112, 114) being capable of stretching upon movement or swelling of the foot inside the shoe to expand the gap between the upper portion and side portion of the quarter on each side of the upper to increase the size of the volume enclosed by the upper and to contract the gap as the foot moves to another position or the swelling goes down to pull the upper portion and side portions closer together and decrease the volume enclosed by the upper so that the upper is capable of an adaptive fit to the foot to maintain comfort and security of the fit during exercise.
2. A shoe as set forth in claim 1 wherein the second gore member of each gore comprises multiple elastic straps (110, 112, 114) spaced apart from each other lengthwise of the shoe.
3. A shoe as set forth in claim 2 wherein each first gore member (82) underlies the elastic straps (110, 112, 114) of the second gore member.
4. A shoe as set forth in claim 3 wherein each first gore member (82) is a unitary sheet of material.
5. A shoe as set forth in any one of claims 1 to 4 wherein the upper portion (46) of the quarter (20) has an opening therein, and eyelets (56) through the upper portion on transversely opposite sides of the opening for receiving lacing, one of the upper members comprising a tongue (30) joined to the upper portion adjacent a forward end of the opening and extending to the throat (32), the tongue being sized and shaped to close the opening.
6. A shoe as set forth in any one of claims 1 to 5 wherein the gap (78) has a front end located rearwardly of the front of the shoe, the side portions (48) being free of transverse connection to each other rearwardly of the front end of the gap except through the gores (82, 110, 112, 114).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/791,995 US5765296A (en) | 1997-01-31 | 1997-01-31 | Exercise shoe having fit adaptive upper |
| US08/791,995 | 1997-01-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2226707A1 CA2226707A1 (en) | 1998-07-31 |
| CA2226707C true CA2226707C (en) | 2001-07-10 |
Family
ID=25155476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002226707A Expired - Lifetime CA2226707C (en) | 1997-01-31 | 1998-01-13 | Exercise shoe having fit adaptive upper |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5765296A (en) |
| JP (1) | JP3236811B2 (en) |
| CA (1) | CA2226707C (en) |
| GB (1) | GB2321584B (en) |
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1998
- 1998-01-13 CA CA002226707A patent/CA2226707C/en not_active Expired - Lifetime
- 1998-01-15 GB GB9800836A patent/GB2321584B/en not_active Expired - Lifetime
- 1998-01-29 JP JP01681898A patent/JP3236811B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US5765296A (en) | 1998-06-16 |
| CA2226707A1 (en) | 1998-07-31 |
| GB2321584A (en) | 1998-08-05 |
| JPH10215902A (en) | 1998-08-18 |
| JP3236811B2 (en) | 2001-12-10 |
| GB9800836D0 (en) | 1998-03-11 |
| GB2321584B (en) | 2001-05-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20180115 |