Patent Grant
9854873
Field of the Disclosure
The present disclosure relates to lacing systems for use with wearable articles (e.g., footwear), and more particularly to guides for use with lacing systems.
Description of the Related Art
Although various lacing systems currently exist, there remains a need for improved guides for lacing systems.
A lacing system is disclosed. The lacing system can include an article having a tightening edge, a first lace guide element coupled to the tightening edge of the article, and a second lace guide element coupled to the tightening edge of the article. A lace can be threaded through the first and second lace guide elements such that a portion of the lace extending generally directly between the first and second lace guide elements is not directed away from the tightening edge of the article. The first and second lace guide elements can be angled towards each other.
In some embodiments, all turns in a lace path through the first and second lace guide elements can have a radius of curvature of at least about 1 mm during normal use. All turns in the lace path through the first and second lace guide elements can have a radius of curvature of at least about 2 mm during normal use. All turns in the lace path through the first and second lace guide elements can have a radius of curvature of at least about 5 mm during normal use. In some embodiments, the first and second lace guide elements can be configured to provide a lace path having at least one variable radius of curvature.
In some embodiments, the first lace guide element can have a first lace engagement location and a second lace engagement location, and the second lace guide element can have a third lace engagement location and a fourth lace engagement location. A first linear axis can pass through the first and second lace engagement locations, and a second linear axis can pass through the third and fourth lace engagement locations. When the first and second lace guide elements are in a substantially relaxed position, an angle formed between the first and second linear axes can be between about 95° and about 175°, between about 115° and about 155°, between about 130° and about 140°, or about 135°.
In some embodiments, the first lace guide element can be attached to the article and can extend along a first direction. The second lace guide element can be attached to the article and can extend along a second direction. The first and second lace guide elements can be angled towards each other such that an angle between the first and second directions can be between about 5° and about 85°, between about 25° and about 65°, between about 40° and about 50°, or about 45°.
In some embodiments, at least one of the first and second lace guide elements is a flexible webbing. The flexible webbing can have a first end attached to the article near the tightening edge at a first location and a second end attached to the article at substantially the first location such that the flexible webbing forms a loop at the first location.
The flexible webbing can have a loop formed at an end of the flexible webbing, the loop having first and second openings, and the first opening can form the first lace engagement location and the second opening can form the second lace engagement location. A strap portion can extend from the loop, and the strap portion can be attached to the article. A belt-loop member can be configured to receive the strap and maintain the strap in a predetermined region, and the belt-loop member can be larger than the strap to allow the strap to shift substantially unimpeded by the belt-loop member during normal use of the article.
The flexible webbing can include a first end attached to the article at a first location and a second end attached to the article at a second location. A strap can extend between the first and second locations and the strap can be longer than the distance between the first and second locations such that the strap provides a lace path through the strap at a third location that is on an opposite side of the tightening edge than the first and second locations.
A lacing system is disclosed. The lacing system can include an article having a first side and a second side generally opposing the first side such that the first and second sides are configured to be drawn together to tighten the article and moved apart to loosen article, a lace, and a lace guide. The lace guide can have a first lace guide element coupled to the first side of the article. The first lace guide element can be configured to receive the lace at a first lace engagement location and to permit the lace to exit at a second lace engagement location. The first lace engagement location can be positioned closer to the second side of the article than is the second lace engagement position. The lace guide can have a second lace guide element coupled to the first side of the article. The second lace guide element can be configured to receive the lace at a third lace engagement location and to permit the lace to exit at a fourth lace engagement location. The fourth lace engagement location can be positioned closer to the second side of the article than is the third lace engagement location.
In some embodiments, the lace can extend from the second side of the article to the first lace engagement location, can enter the first lace guide element through the first lace engagement location, can extend through the first lace guide element, can exit the first lace guide element through the second lace engagement location, can pass between the first and second lace guide elements on the first side of the article without extending towards the second side of the article, can enter the second lace guide element through the third lace engagement location, can extend through the second lace guide element, can exit the second lace guide element through the fourth lace engagement location, and can extend from the second lace engagement location toward the second side of the article.
The first lace engagement location, the second lace engagement location, the third lace engagement location, and the fourth lace engagement location can each provide a lace path having a radius of curvature of at least about 1 mm, or of at least about 2 mm, or of at least about 5 mm, during normal use. The first lace engagement location, the second lace engagement location, the third lace engagement location, and the fourth lace engagement location can each be configured to provide a lace path having variable radius of curvature.
A first linear axis can pass through the first and second lace engagement locations, and a second linear axis can pass through the third and fourth lace engagement locations. When the first and second lace guide elements are in a substantially relaxed position, an angle formed between the first and second linear axes can be between about 95° and about 175°, between about 115° and about 155°, between about 130° and about 140°, or can be about 135°.
The first lace guide element can be attached to the first side of the article and can extend along a first direction generally toward the second side of the article, the second lace guide element can be attached to the first side of the article and can extend along a second direction generally toward the second side of the article. The first and second lace guide elements can be angled towards each other such that an angle between the first and second directions is between about 5° and about 85°, is between about 25° and about 65°, is between about 40° and about 50°, or is about 45°.
The first lace guide element can be a flexible webbing. The flexible webbing can have a loop formed at an end of the flexible webbing nearest the second side of the article. The loop can have first and second openings, and the first lace engagement location can be at the end of the first opening closest to the second side of the article, and the second lace engagement location can be at the end of the second opening closest to the second side of the article. A strap portion can extend from the loop generally away from the second side of the article, and the strap portion can be attached to the first side of the article. A belt-loop member can be configured to receive the strap and maintain the strap in a predetermined region. The belt-loop can be larger than the strap to allow the strap to shift substantially unimpeded by the belt-loop during normal use of the article.
The flexible webbing can have a first end attached to the first side of the article at a first location, and a second end attached to the first side of the article at substantially the first location such that the flexible webbing forms a loop at the first location.
The flexible webbing can have a first end attached to the first side of the article at a first location, a second end attached to the first side of the article at a second location, and a strap extending between the first and second locations. The strap can be longer than the distance between the first and second locations such that the strap provides a lace path through the strap at a third location that is closer to the second side of the article than both the first and second locations.
A lace guide is disclosed. The lace guide can include a first end region having a first opening to allow a lace to enter the lace guide, a second end region having a second opening to allow the lace to exit the lace guide, and a center region between the first end and the second end. The first end region and the second end region can be more flexible than the center region such that the first end region and the second end region can be configured to deform more than the center region when the lace is tightened.
The center region can include a first material and the first and second end regions can include a second material, and the second material can be more flexible than the first material. The first material and the second material can be woven materials, and the first material can be woven more densely than the second material.
The first end region, the second end region, and the center region can include a flexible webbing, and the center region can include an additional layer over the flexible webbing to reduce the flexibility of the center region.
The first end region and the second end region can provide curved lace paths having a radius of curvature of at least about 1 mm, or of at least about 2 mm, or of at least about 5 mm during normal use. The center region can provide a substantially linear lace path between the first end region and the second end region. In some embodiments, the first and second end regions can be configured to each provide a lace path having a variable radius of curvature.
Certain embodiments will now be discussed in detail with reference to the following figures. These figures are provided for illustrative purposes only, and the inventions are not limited to the subject matter illustrated in the figures.
The lacing system 100 can include a lace 108. Various lace types can be used, including but not limited to stranded steel cable with no coating, stranded steel cable with a polymer coating (e.g., nylon coating), monofilament (e.g., nylon), or braided Spectra®. In some embodiments, standard conventional shoe laces can be used for the lace 108. The lace 108 can have a diameter of at least about 0.015 inches and/or no more than about 0.1 inches, although diameters outside these ranges can also be used. In some embodiments the lace 108 can have a diameter of about 0.032 inches.
The lacing system 100 can include a mechanism for imparting and/or holding tension on the lace 108. For example, the lacing system 100 can include a lace winder 110 mounted on the shoe 102 (e.g., on the heel). Although in the embodiment illustrated in
The lacing system 100 also includes one or more lace guides 124 configured to guide the lace 108 through the lacing system 100. The lace guides 124 can be coupled to the first and second sides 112, 114 (e.g., to the first and second tightening edges 118, 120) so that the first and second sides 112, 114 of the shoe 102 are drawn together when the lace 108 is tightened, for example, by the lace winder 110. One or more of the lace guides 124 can be low-friction lace guides configured to substantially evenly distribute the force imposed by the tightened lace 108, thereby reducing pressure points which can cause discomfort and impaired performance. The low-friction lace guides 124 can allow the lace 108 to shift position during use so as to provide a dynamic fit.
In some embodiments, one or more of the lace guides 124 can be configured to reduce the occurrence of sharp corners in the lace 108. For example, in some embodiments, the lace guides 124 can provide a lace path that causes the lace to have a radius of curvature during normal use of at least about 1 mm, at least about 2 mm, at least about 3 mm, at least about 5 mm, at least about 7 mm, at least about 10 mm, no more than about 15 mm, no more than about 10 mm, no more than about 7 mm, and/or no more than about 5 mm, although radii of curvature outside these ranges are also possible. In some embodiments, the entire lace path through the lacing system 100 can be configured to not have sharp turns (e.g., of less than a 1 mm, 2 mm, 3 mm, 5 mm, 7 mm, or 10 mm radius of curvature) during normal use. In some embodiments, at least one of the lace guides 124 provides a lace path having a radius of curvature of at least about 1 mm, 2 mm, 3 mm, 5 mm, 7 mm, or 10 mm during normal use, even if the lace path includes one or more sharp turns at other locations. In some embodiments, the lace guides 124 can provide a lace path having a variable radius of curvature that depends on the tension applied to the lace 108. “Normal use” as used herein is meant to refer to situations where the article is tightened to a tension that one would generally expect during use of the particular article.
The reduction or elimination of sharp turns from the lace path can prevent lace fatigue and can reduce the friction and wear on lace 108 and on the guides 124, thereby providing a lacing system that is more reliable and more durable. Reducing or removing sharp turns from the lace path can be increasingly advantageous in embodiments where laces of smaller diameters, and harder, less flexible, materials are used. In some embodiments, harder and less flexible laces (e.g., steel cable laces) can allow for increased tension to be applied to the lacing system. The lacing system 100 can be configured to tighten with about 2.5 pounds of force in some embodiments, although a much higher tension of up to about 30 pounds can be used in some embodiments (e.g., snowboard boots). When the force is concentrated on a smaller lace thickness, and the force is not significantly absorbed by a softer lace material, and the force is not significantly absorbed by stretching of the lace, it can be particularly advantageous to avoid sharp turns in the lace path.
As shown in
The lace 108 can pass through multiple (e.g., two) consecutive lace guide elements 126a-b on one side of the shoe 102. The lace path through the lace guide 124c will be described, and the other lace guide pairs can have similar lace paths. The lace path can lead through the first and second lace guide elements 126a, 126b positioned on the first side 112 of the shoe 102 without passing to the second side 114 therebetween. The lace 108 can lead to the first lace guide element 126a from the second side 114 of the shoe 102. The lace guide element 126a can receive the lace 108 at a first lace engagement location 128. The lace 108 can extend through the first lace guide element 126a and exit the first lace guide element 126a at the second lace engagement location 130. The lace 108 can pass from the first lace guide element 126a to the second lace guide element 126b without returning to the second side 114 of the shoe 102 between the first and second lace guide elements 126a-b. The second lace guide element 126b can receive the lace 108 at a third lace engagement location 132. The lace 108 can extend through the second lace guide element 126b, and the lace 108 can exit the second lace guide element 126b at a fourth lace engagement location 134. From the fourth lace engagement location 134, the lace 108 can extend toward the second side 114 of the shoe 102. Thus, although the lace guide element 126a can be separately formed from the lace guide element 126b, the lace guide elements 126a, 126b can function as a single lace guide 124 (e.g., guiding the lace from the second side 114 to the first side 112 and then back toward the second side 114 of the shoe 102).
Because the first lace guide elements 126a are spaced apart from the second lace guide elements 126b, and because the lace 108 is threaded directly from the first lace guide element 126a to the second lace guide element 126b on the same side of the article, the tension from the lace 108 can be adequately distributed across the tightening edges 118, 120 using fewer lace crossings than if the lace 108 were crossed between the sides 112, 114 of the shoe 102 after each individual lace guide element 126. Thus, the lace path leading through consecutive lace guide elements 126 on one side of the shoe can result in a reduced lace length. Also, the lacing system 100 can be tightened by taking up less lace than would be required for a lacing system having more lace crossings, thereby allowing the use of a smaller size of lace winder 110 and/or allowing the lacing system 100 to be tightened using less rotation and less time. Fewer lace crossings and a reduced lace length also can result in reduced friction, thereby reducing the force required for tightening or loosening the lacing system 100 and allowing for a dynamic fit in which the lace 108 is permitted to adjust during use.
The radius of curvature that the lace 108 experiences as it passes through the lace guide elements 126a-b depends on the angles of the turns in the lace path. The radius of curvature is also influenced several other factors, such as the flexibility of the material of the lace guide elements 126a-b, the rigidity of the lace 108, and the tension applied to the lace 108. The lace guide elements 126a-b can be angled towards each other to reduce the turning angles applied to the lace 108 as it passes through the lace guide elements 126a-b. As the lace 108 passes from the second side 114 of the article to the first side 112 of the article and then back to the second side 114, the lace 108 may undergo a large total turning angle, for example, of at least about 75° and/or less than or equal to about 215°. The first lace guide element 126a can turn the lace 108 for a portion (e.g., approximately half) of the total turning angle, and the second lace guide element 126b can turn the lace 108 for another portion (e.g., approximately half) of the total turning angle. Thus, the lace guide elements 126a-b can reduce the turning angle that is experienced by any particular location on the lace path by dividing the turning angle among multiple locations.
With reference to
The first lace engagement location 128 can be positioned closer to the midline 122, or to the opposing side 114, than is the second lace engagement location 130, such that the lace 108 (not shown in
Similarly, the second lace guide element 126b can have a third lace engagement location 132 to receive the lace 108 from the first lace guide element 126a, and a fourth lace engagement location 134 to direct the lace 108 back towards the opposing side 114, or to the midline 122. The fourth lace engagement location 134 can be positioned closer to the opposing side 114, or to the midline 122, than is the third lace engagement location 132, such that the lace 108 exits the second lace guide 126b toward the opposing side at a location that is closer to the opposing side (e.g., second side 114) than is the location where the lace 108 enters the third lace engagement location 130. In some embodiments, the distance 140 between the fourth opening 132 and the midline 122, or to the opposite side 114, can be less than the distance 142 between the first opening 130 and the midline 122, or to the opposite side 114. Thus, the second lace guide element 124b can provide a lace path into, through, and out of the second lace guide element 124b that had a radius of curvature of at least about 1 mm, at least about 2 mm, at least about 3 mm, at least about 5 mm, at least about 7 mm, or at least about 10 mm.
In some embodiments, an axis 144 drawn through the first lace engagement location 128 and the fourth lace engagement location 134 can be substantially parallel with an axis 146 drawn through the second lace engagement location 130 and the third lace engagement location 132. In some embodiment one or both of the axes 144, 146 can be generally parallel to the midline 122. In some embodiments, the distance 148 between the axis 144 and the axis 146 can be at least about 4 mm and/or at least about 8 mm, or it can be about 6 mm, although other values can also be used.
In some embodiments, the first lace guide element 126a can attach to the first side 112 of the shoe 102 and can extend generally towards the opposite side 114, or towards the midline 122, of the shoe 102 along an axis 150. The second lace guide element 126d can attach to the first side 112 of the shoe 102 and can extend generally towards the second side 114, or the midline 122, of the shoe 102 along a axis 152. The first and second lace guide elements 126a, 126b can be angled towards each other such that the angle θ2 between the axis 150 and the axis 152 can be at least about 5° and/or less than or equal to about 85°, or θ2 can be at least about 25° and/or less than or equal to about 65°, or θ2 can be at least about 40° and/or less than or equal to about 50°, or θ2 can be about 45°, although angles outside these ranges may also be used in some embodiments. In some embodiments, the first lace guide element 126a can be angled with respect to the midline 122 such that an angle θ4 formed between the axis 150 along which the lace guide element 126a extends and the midline 122 can be greater than about 47.5° and/or less than about 87.5°, or θ4 can be at least about 57.5° and/or less than or equal to about 77.5°, or θ4 can be at least about 65° and/or less than or equal to about 70°, or θ4 can be at about 67.5°, although angles outside these ranges can also be used. In some embodiments, the corresponding lace guide element 126b can be angled with respect to the midline 122 by an angle θ5 in an opposite direction but by substantially the same amount as the angle θ4. In some embodiments, the lace guide elements 126a-b are substantially symmetrical, for example, across a line transverse to the midline 122. In some embodiments, the lace guide elements 126a-b are not substantially symmetrical.
In some embodiments, one or more of the lace guide elements 126a can be angled away from the adjacent lace guide element (not shown in
The first and second lace guide elements 126a-b can be positioned on the first side 112 of the shoe 102 and can be spaced apart by a distance 154. The distance 154 can be taken between the second lace engagement location 130 and the third lace engagement location 132 and can be generally equal to the length of the lace path extending directly between the two lace guide elements 126a-b. The distance 154 can be at least about 2 mm long and/or less than or equal to about 30 mm long, although values outside these ranges can be used. In some cases a distance 154 of 20 mm can be used to separate the lace guide elements 126a-b. With reference back to
With reference now to
The lace 108 can approach the first lace engagement location 128 at the top of the lace guide element 126a from the opposing side 114 along a first generally linear direction, which can be, in some embodiments, at a non-orthogonal angle to the midline 122. For example, if the previously engaged lace guide element (not shown in
The lace 108 can leave the second lace engagement location 130 and extend along a lace path toward the next lace guide element 114 that can be substantially parallel to the midline 122, or at any other suitable angle. An angle θ8 formed between the axis 160 and the exit lace path extending between the first lace guide element 126a and the second lace guide element 126b can be at least about 15° and/or less than or equal to 45°, or θ8 can be about 30°, although angles outside these range may also be used. Although
In the embodiment illustrated in
Returning now to
In the embodiment illustrated in
In some embodiments, such as the embodiment shown in
In the disengaged configuration (see
In the embodiment shown in
In some embodiments, the strap secures to the shoe 402 (e.g., to the upper 404) at a connection location 457. By adjusting the location of where the strap 476 attaches to the shoe 402 the distribution of the force applied by the tightened lace 408 can be adjusted. For example, the straps 476 of the lace guide elements 426 can cross (e.g., at location 473). Thus, when tension is applied by the lace 408 to the back loop 474a that is closer to the back of the shoe 402, the tension is transferred to the forward connection location 457a closer to the front of the shoe 402. Similarly, when tension is applied by the lace 408 to the front loop 474b that is closer to the front of the shoe 402, the tension is transferred to the back connection location 457b that is closer to the back of the shoe 402.
In some embodiments, one of the straps 476a (e.g., associated with the most rearward lace guide element 426a), can wrap back to the heel of the shoe 402. In some embodiments, the strap 476a can wrap completely around the heel (e.g., below the lace winder 410) so that the strap 476a continues around to the other side of the shoe 402 so that the heel straps on both sides are formed from a single piece of webbing that is free to slide back and forth as the lacing system 400 is tightened or loosened or during use of the shoe 402. Alternatively, a portion of the strap 476a extending around the heel is fixed to the shoe so that it does not slide. The heel straps 476a can tighten the collar 409 of the shoe 402 around the wearer's foot for an improved fit.
In some embodiments, the placement of the straps 476 (especially the most forward strap in the embodiment of
The shoe 402 can include a series of openings or belt-loops 478 to hold the straps 476 of the lace guide elements 426. The belt-loops 478 can prevent the lace guide elements 426 from flopping away from the shoe 402 when the lacing system 400 is loose. The belt loops 478 can be sufficiently large to allow the straps 476 to slide freely therein and shift from side to side as the lacing system 400 is tightened and as the system adjusts during use by the wearer. For example, the lace guide elements can have a width of at least about 4 mm and/or less than or equal to about 10 mm, or the width can be at least about 6 mm and/or less than or equal to about 8 mm. The belt-loops 478 can be wider than the lace guide elements 426 by at least about 2 mm and/or by less than or equal to about 25 mm, and in some embodiments, the belt-loops 478 can be wider than the lace guide elements 426 by at least about 5 mm and/or less than or equal to about 10 mm. Thus, the belt-loops 478 can be configured to prevent the lace guide elements 426 from flopping when loose, but can also allow for freedom of movement by the lace guide elements 426, both in the tightening and loosening direction, but laterally as well, such that the belt-loops 478 do not impede the natural positioning of the lace guide elements 426 as dictated by the fit of the shoe 402 on the wearer's foot. The belt-loops 478 can be formed as slits in the upper 404, or as additional material attached to the outside surface of the upper 404.
In the embodiment shown in
In the lacing system 1100 of
With reference now to
The center region 1214 of the guide 1208 can include an additional layer of material that can be attached over a flexible piece of webbing to reduce the flexibility of the center region 1214. The additional layer of material can be made of the same material as the flexible piece of webbing, or it can be a different, less flexible material. As tension is applied to the lacing system 1200, first end region 1210 and second end region 1212 will tend to flex or curve to create a curved lace pathway that does not present sharp turns to the lace 1206. Curvature of the guide 1208 at the end regions 1210, 1212 can reduce wear and friction on both the guide 1208 and the lace 1206. The stabilized center region 1214 can assist keeping the first end region 1210 and second end region 1212 separated and prevent the flexible guide from bunching together even when the system 1200 is under load during normal use. The center region 1214 can prevent bunching without the use of a rigid material which may be undesirable in certain applications.
In the embodiment shown in
The guides 1208 can be formed from woven material and can be attached to the shoe 1202 by stitching or by adhesive or by rivets or in any other suitable manner. In some embodiments, a guide 1208 can be made from a strip of woven material that is folded to create a loop. The ends of the strip of woven material can then be stitched together individually and attached to the shoe or may be stitched together to the shoe, thereby securing the strip of woven material to the shoe with the loop facing inward generally toward the center of the shoe. In some embodiments, the loop may face inward toward the center of the opening if the opening is offset from the center of the shoe, as may be advantageous in certain applications as in biking shoes.
The woven guides 1208 can provide a lace path that prevents the lace 1206 from turning any sharp corners (e.g., corners with a radius of less than about 2 mm, 3 mm, 5 mm, 7 mm, or 10 mm) during normal use. In some embodiments, the guides 1208 can be flexible and can provide a variable lace path having variable radii of curvature.
The guides 1208 can have a width 1216 of at least 10 mm and/or no more than about 45 mm, although widths outside these ranges can also be used. The first and second end regions 1210, 1212 can have the same, or similar, or different widths. The width 1218 of the first and/or second end regions 1210, 1212 can be at least about 1 mm, at least about 2 mm, at least about 3 mm, at least about 5 mm, at least about 7 mm, at least about 10 mm, no more than about 15 mm, no more than about 10 mm, no more than about 7 mm, and/or no more than about 5 mm, although widths outside these ranges can also be used. The center region can have a width 1220 of no more than about 1 mm, no more than about 3 mm, no more than about 5 mm, no more than about 10 mm, no more than about 20 mm, no more than about 30 mm, or no more than about 40 mm. The center region can have a width 1220 of at least about 0.5 mm, at least about 1 mm, at least about 3 mm, at least about 5 mm, at least about 10 mm, at least about 20 mm, or at least about 30 mm. Other widths can also be used.
The webbing of the guides 1208 can have a thickness of about 0.5 mm to about 0.8 mm. Other thicknesses can be used depending on the strength and durability required for the lacing system. In some embodiments a webbing with a thickness of about 1.75 mm can be used to provide additional strength (e.g., for applications where high tension is expected). In some embodiments, the center region 1214 can be thicker than the end regions 1210, 1212.
In some embodiments, the center region 1214 of the guide 1208 can be made from a different, more rigid material than the first and second end regions 1210, 1212. The different materials can be woven together, or connected by an adhesive, or stitched together, or connected in any other suitable manner. The center region 1214 and the end regions 1210, 1212 can be made from a woven material where the center region 214 is more tightly woven providing a denser and less flexible central region 1214.
Many variations are possible. For example, in some embodiments, the guides 1208 can have permanently curved ends. Thus, in the relaxed state, the guides 1208 can maintain the form shown in
In some embodiments, the entire guide can be formed of a flexible material, such that the center region 1214 has substantially the same flexibility as the end regions 1210, 1212. Because a single material can be used, the cost of the guides can be reduced. In some embodiments, the guide can form a single arc lace path when the lace is tightened. In some embodiments, the less flexible center region 1214 can provide the benefit of resisting compression along the width of the guide 1208 thereby preventing the guide from bunching up when the lace 1206 is tightened.
In some embodiments, the lace guides disclosed herein can provide a low friction and durable sliding surface for the lace to move across in both the relaxed and tightened positions. In some circumstances, there can be considerable movement between the lace and the guides under tension as the shoe is used. The guides can be made from material (e.g., webbing) that can be dyed or otherwise colored, that can be washed without loosing color or shrinking, and is not affected significantly by environmental changes such as humidity or temperature. As discussed above, polyester, nylon, or various other materials and material blends can be used to form the guides.
In some embodiments, the guides discussed herein can include holes (not shown) to allow dirt that becomes caught in the guides to exit the guides. Dirt that is allowed to remain in the guides can cause friction and wear between the lace and the guide.
In many embodiments, the figures illustrate one side of the lacing systems described herein. In some embodiments, the lacing system can be generally symmetrical such that the side of the shoe, or other footwear or article, not specifically shown can have similar features to those shown in the figures. In some embodiments, the lacing systems can be asymmetrical and can have different features on the first and second opposing sides.
While discussed in terms of certain embodiments, it should be appreciated that the disclosure is not so limited. The embodiments are explained herein by way of example, and there are numerous modifications, variations and other embodiments that may be employed that would still be within the scope of the present invention. Components can be added, removed, and/or rearranged both within certain embodiments and between embodiments. Additionally, processing steps may be added, removed, or reordered. A wide variety of designs and approaches are possible. Where numerical values and/or ranges are disclosed, other numerical values can also be used. For example, some embodiments can use numerical values that are outside the disclosed ranges.
For purposes of this disclosure, certain aspects, advantages, and novel features of embodiments of the invention are described herein. It is to be understood that not necessarily all such advantages may be achieved in accordance with any particular embodiment of the invention. Thus, for example, those skilled in the art will recognize that the invention may be embodied or carried out in a manner that achieves one advantage or group of advantages as taught herein without necessarily achieving other advantages as may be taught or suggested herein.
This application is a continuation of U.S. patent application Ser. No. 13/011,707, filed Jan. 21, 2011, titled “GUIDES FOR LACING SYSTEMS,” which claims the benefit under 35 U.S.C. §119(e) to U.S. Provisional Patent Application No. 61/297,023, filed Jan. 21, 2010, titled “GUIDES FOR LACING SYSTEMS,” each of which is hereby incorporated by reference herein and made a part of this specification for all that it discloses. The following references are hereby incorporated by reference herein in their entirety and made a part of the specification for all that they disclose: U.S. Pat. No. 7,591,050, filed Jun. 12, 2003, issued Sep. 22, 2009, and titled “FOOTWEAR LACING SYSTEM;” U.S. Patent Publication No. 2006/0156517, filed Oct. 31, 2005, and titled “REEL BASED CLOSURE SYSTEM;” U.S. Patent Publication No. 2010/0139057, filed Nov. 20, 2009, and titled “REEL BASED LACING SYSTEM;” U.S. Provisional Patent Application No. 61/297,023, filed Jan. 21, 2010, titled “GUIDES FOR LACING SYSTEMS;” and U.S. Provisional Patent Application No. 61/330,129, filed Apr. 30, 2010, and titled “REEL BASED LACING SYSTEM.”
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| Number | Date | Country | |
|---|---|---|---|
| 20150026936 A1 | Jan 2015 | US |
| Number | Date | Country | |
|---|---|---|---|
| 61297023 | Jan 2010 | US |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 13011707 | Jan 2011 | US |
| Child | 14268498 | US |
