EP3157369A1 - Schnürverschluss für schuhwerk - Google Patents
Schnürverschluss für schuhwerkInfo
- Publication number
- EP3157369A1 EP3157369A1 EP15738172.4A EP15738172A EP3157369A1 EP 3157369 A1 EP3157369 A1 EP 3157369A1 EP 15738172 A EP15738172 A EP 15738172A EP 3157369 A1 EP3157369 A1 EP 3157369A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lace
- boot
- medial
- tensioning
- strap
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
- A43C7/00—Holding-devices for laces
- A43C7/005—Holding-devices for laces the devices having means to hold the traditional knots or part of it tightened
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/04—Ski or like boots
- A43B5/0401—Snowboard boots
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/04—Ski or like boots
- A43B5/0427—Ski or like boots characterised by type or construction details
- A43B5/0429—Adjustment of the boot to calf or shin, i.e. fibula, tibia
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/04—Ski or like boots
- A43B5/0427—Ski or like boots characterised by type or construction details
- A43B5/0476—Front-entry skiboots
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
- A43C1/00—Shoe lacing fastenings
- A43C1/006—Rear lacing, i.e. with a lace placed on the back of the foot in place of, or in addition to the traditional front lace
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
- A43C11/00—Other fastenings specially adapted for shoes
- A43C11/16—Fastenings secured by wire, bolts, or the like
- A43C11/165—Fastenings secured by wire, bolts, or the like characterised by a spool, reel or pulley for winding up cables, laces or straps by rotation
Definitions
- aspects described herein relate generally to tightening arrangements for articles of footwear, such as boots, including snowboard boots.
- Conventional boots incorporate a lace threaded back and forth through the medial and lateral sides of the front side of the boot.
- the lace has two free ends protruding from the top portion of the boot, which a wearer can pull to tighten the front side of the boot about his or her foot and leg.
- Soft boots typically include relatively soft materials (e.g., leather, fabric, and/or thin plastic components) that are more flexible than the more rigid, typically molded plastic shell of a hard boot. Soft boots are generally more comfortable and easier to walk in than hard boots, and are often favored by riders who engage in recreational, "freestyle" or trick-oriented
- the lace In conventional boot lacing systems, the lace is often threaded to extend only over the tongue opening of the boot. In such arrangements, tightening of the lace is limited to the front side of the boot, which may lead to an uneven distribution of tension throughout the boot, resulting in a loose fit or feel in various parts of the boot for the wearer.
- a soft snowboard boot in an illustrative embodiment, includes a body having a front side, a rear side, a medial side and a lateral side defining a shaft region; and a lace cooperating with a rear side of the body and arranged to be tightened to draw at least one of the rear side, the medial side and the lateral side of the body inward toward the shaft region of the body.
- a boot in another illustrative embodiment, includes a body having a front side, a rear side, a medial side and a lateral side defining a shaft region; and a lace arranged to partially circumscribe a portion of the body, and the lace arranged to be tightened to draw at least one of the rear side, the medial side and the lateral side of the body inward toward the shaft region of the body.
- a boot in a further illustrative embodiment, includes a body having a front side, a rear side, a medial side and a lateral side defining a shaft region; at least one strap extending along a portion of the rear side of the body; and a lace coupled to the at least one strap and arranged to be tightened to draw at least one of the rear side, the medial side and the lateral side of the body inward toward the shaft region of the body.
- a boot in yet another illustrative embodiment, includes a body having a front side, a rear side, a medial side and a lateral side defining a shaft region, the front side having a tongue opening; a first lace portion arranged to be tightened to draw at least one of the rear side, the medial side and the lateral side of the body inward toward the shaft region of the body; and a second lace portion arranged to be tightened independently from tightening of the first lace portion, to pull medial and lateral sides of the tongue opening toward one another.
- a method of tightening a boot including a body having a front side, a rear side, a medial side and a lateral side defining a shaft region.
- the method includes tensioning a lace to draw at least one of the rear side, the medial side and the lateral side of the body inward toward the shaft region of the body.
- the lace is coupled to a strap.
- a method of tightening a boot including a body having a front side, a rear side, a medial side and a lateral side defining a shaft region, the front side having a tongue opening.
- the method includes tensioning a first lace portion to draw at least one of the rear side, the medial side and the lateral side of the body toward the shaft region of the body; and tensioning a second lace portion independently from the tensioning of the first lace portion, to pull medial and lateral sides of the tongue opening of the front side of the body toward one another.
- Fig. 1A is a plan view of the lateral side of an article of footwear in
- Fig. IB is a plan view of the medial side of the article of footwear of Fig. 1 A;
- Fig. 1C is a plan view of the front side of the article of footwear of Figs. 1 A- IB;
- Fig. 2 is a plan view of the lateral side of another article of footwear in accordance with another embodiment
- Fig. 3 A is a plan view of the lateral side of yet another article of footwear in accordance with an embodiment
- Fig. 3B is a plan view of the medial side of the article of footwear of Fig. 3A;
- Fig. 3C is a plan view of the front side of the article of footwear of Figs. 3A-
- Figs. 4A-4B are perspective views from the lateral and medial sides of an article of footwear in accordance with another embodiment
- Figs. 5A-5B are perspective views from the lateral and medial sides of yet another article of footwear in accordance with an embodiment; and Figs. 6A-6D show plan views from the lateral sides of various articles of footwear in accordance with some embodiments.
- a lacing system in an article of footwear, such as a boot (e.g., soft snowboard boot), that provides for a greater level of tightness control in various regions of the footwear, than has previously been available.
- the present disclosure relates to arrangement(s) and/or technique(s) for an article of footwear to provide, when tightened, additional tightness in various regions, which may lead to increased comfort.
- Embodiments discussed herein may provide for a suitably close fit around the foot and ankle of the wearer, , for an enhanced heel hold or otherwise snug fit.
- the rear side of the boot may be squeezed or otherwise pulled inward against the Achilles' tendon area of the wearer.
- the medial and/or lateral sides of the boot may be drawn inward toward respective medial and/or lateral sides of the lower leg or ankle of the wearer.
- tightening of the lace portion(s) may cause one or more straps to be pulled inward toward the front of the boot.
- the strap(s) may be drawn inward toward the front side of the boot, or the strap(s) may remain fixed along the rear backstay.
- the lace portion(s) may extend around the medial and/or lateral sides of the boot, upon tightening, the respective medial and/or lateral sides of the boot may be drawn inward toward the shaft region of the boot.
- the shaft region of the boot is a space surrounded by an upper region of the boot which extends along the shaft axis A (depicted in Fig. 1A) toward the location within the boot where the heel of the wearer is placed.
- the shaft region accommodates the ankle and lower leg of a wearer therein when the boot is worn.
- the shaft region is the volume of space that is circumscribed by the front side, the rear side, the medial side and the lateral side of the body of the boot. Further, tightening of the rear side, medial side and/or lateral side of the boot may occur in cooperation with tightening of the front side, simultaneously therewith or independently therefrom. In this manner, the boot is able to provide a relatively snug fit, along both the front, rear, medial and lateral sides of the foot, adding to overall secureness and/or comfort for the wearer.
- a portion of at least one of the rear side, the medial side and the lateral side of the boot may be brought inward so as to hug or squeeze into the leg or ankle, around the Achilles' tendon area of the wearer.
- the rear side of the boot may be relatively fixed in position such that when the lace(s) of the boot are tightened, the medial and lateral sides of the boot are drawn inward toward the shaft region while the rear backstay remains substantially in place.
- the rear side of the boot may also be drawn inward toward the shaft region of the boot upon tightening.
- the front of the boot may also be tightened, for example, around the tongue. Such tightening of the front side may occur along with the other sides of the boot, or separately therefrom. In this manner, the boot is able to provide a snug fit, along the circumference of the lower leg.
- a lacing system for a boot such as a soft snowboard boot or other boot (e.g., ski boot, hiking boot, snow shoes, rain boots, etc.)
- aspects described herein may be incorporated with any article of footwear, for example, a shoe, skate, or other suitable covering for the foot.
- the boot may include a lace, where a portion of the lace extends toward the rear of the boot, though, in certain embodiments, the lace itself is arranged to partially circumscribe a portion of the rear side of the boot body (e.g., upper region or shaft of the boot which surrounds the Achilles' tendon area).
- the lace may be configured so as to extend along the medial and lateral sides of the boot and to be pulled against the rear side toward the front upon tightening, the lace is not required to completely surround the perimeter (e.g., circumference) of the upper region of the boot.
- the lace may extend over the upper region of the front side, and portions of the medial and lateral sides of the boot without fully extending around the rear side of the boot in a manner so as to circumscribe the upper region of the boot.
- the lace may extend over the rear side of the boot, yet not extend completely over the front side of the boot. It can be appreciated that the present disclosure is not so limited in this respect, as it can be appreciated that, for some embodiments, the lace may circumscribe or completely encircle the shaft region, or another region, of the boot.
- the boot includes a strap that extends around a portion of the rear side of the boot body, for example, the part of the rear side that covers the Achilles' tendon area or a portion of the calf of the wearer.
- the strap substantially covers the rear side of the boot body.
- the lace and the strap may be coupled together or otherwise arranged such that when the lace is tightened, the strap is pulled inward toward the front of the boot body (e.g., against the rear side of the boot), so that the boot more suitably hugs the back of the ankle region.
- the strap may remain in place adjacent the rear backstay during tensioning of the lace(s) while the medial and lateral sides of the boot are drawn inward toward the shaft region, so that the boot more suitably hugs the ankle and/or lower leg (e.g., calf/shin areas) of the wearer.
- the rear backstay of the boot may be stiffer in comparison to the medial and lateral side walls of the boot.
- the tension of the laces increases. Accordingly, the increase in tension of the laces causes the laces to move toward a more straightened configuration.
- this build-up of tension results in an overall exertion of a normal force or pressure inward toward respective sides of the boot, resulting in an inward movement thereof.
- the relatively softer material on the sides of the boot may exhibit a slight accordion-like wrinkling where the material tends to buckle or otherwise slightly bunches together.
- the rear backstay of the boot may incorporate any suitable composition.
- the rear backstay may include a relatively stiff material, such as an ionomer extrusion resin (e.g., SURLYN ® ), or another appropriate material.
- the medial and lateral sides of the boot may also include any suitable material, for example, a fabric, polymer, or other material.
- the material of the rear backstay of the boot may remain stationary, maintaining its shape, while the material of the medial and lateral sides of the boot move inward and, in some cases, exhibit the above described crumpling effect.
- the lace may be tightened and locked so as to retain its tension by employing any suitable mechanism.
- the lace may be arranged so as to be graspable by a wearer or other device, pulled to a desirable tension and locked in an appropriate manner.
- a free end of the lace may include a portion of lace that is looped back onto itself to create a handle (or a separate handle may be attached to the lace) to facilitate pulling of the lace by a wearer.
- the lace may be tied, or locked in place by a lace lock, so that the tension of the lace is preserved for a desired period of time, for example, until the lace is untied or unlocked.
- an optional tensioning member is coupled to the lace and used to pull one or more ends of the lace thereto.
- a rotary closure system described further below, may be employed.
- the tensioning member may include a ratcheting and/or buckling device that is coupled to the lace and provides tension thereto. It should be appreciated that the present disclosure is not limited to the use of any particular type of closure device, as any mechanism that is capable of taking up slack in the lace can be used in connection with various aspects of the present disclosure.
- various regions of the boot may be tightened independently from, or simultaneously with, one another.
- the boot may be configured to have a single zone for tightening various sides (e.g., front, rear, medial, lateral sides) of the boot at the same time.
- a boot may include a lace that is threaded on the front side between medial and lateral sides of the tongue opening of the boot, for drawing medial and lateral sides of the tongue opening toward one another, and that also extends toward the rear side of the boot, for pulling of the rear side and/or medial and lateral sides of the upper region inward toward the shaft region (e.g., by being coupled with a strap).
- the lace may be coupled to one or more suitable tensioning members, for appropriately tightening and loosening the lace, as desired.
- the boot may be configured to have multiple zones where each zone is tightened and loosened independently from the other zone(s), separately adjustable by the wearer.
- Such configurations may increase overall fitting control, comfort, flexibility and/or performance for the wearer.
- a boot that is configured to have two tightening zones may include a first lace and tensioning member arranged so as to tighten the medial/lateral sides of the boot (medial/lateral "zone"), and a second lace and tensioning member arranged so as to tighten at least a portion of the front side of the boot (front "zone").
- the medial/lateral zone of the boot may be tightened independent from a portion of the front zone of the boot, separately controlled, as desired.
- a first tightening zone may be arranged so as to tighten an upper region of the front zone and the medial/lateral sides of the boot, and a second tightening zone may be arranged to tighten the lower region of the front zone, independent from the first tightening zone.
- a rear "zone" may also be provided separate from or in combination with another zone, whether the medial/lateral zone and/or front zone.
- each zone may include a dedicated lace and tensioning member, where the tensioning member is coupled to the lace and used to pull one or more ends of the lace thereto.
- a boot may be configured with a first lace and tensioning member for adjusting a medial/lateral zone, to bring the medial and lateral sides of the boot inward toward the shaft region.
- the boot may also be configured with a separate second lace and tensioning member for adjusting a front zone, to tighten the front side of the boot.
- a first lace and tensioning member may be arranged so as to be able to tighten a first lacing zone, which includes an upper region of the front side of the boot and the medial/lateral sides of the boot; and a separate second lace and tensioning member may be arranged so as to tighten a second lacing zone, including a lower region of the front side of the boot.
- the wearer can choose for part of the boot to fit more tightly, and for another part of the boot to fit less tightly. For instance, a wearer may tighten a first lacing zone to one tension with one lace, or portion of a lace, and a second lacing zone to another tension with another lace, or portion of a lace.
- the present disclosure is not limited in this regard, however, as the boot may be divided into lacing zones in any desired manner, and need not be divided into front or rear lacing zones.
- Other multiple-zone configurations are also contemplated, and will occur to one of ordinary skill in the art. For instance, more than two lacing zones (in any desired configuration) may be employed for additional flexibility, comfort and/or performance.
- any or all of the above aspects may be employed in a soft snowboard boot; however, the present disclosure is not limited in this respect, as aspects described herein may be used on any type of footwear, including other types of boots, such as ski boots, hiking boots and non-soft snowboard boots.
- aspects and embodiments of the present disclosure will now be described in more detail with respect to the accompanying drawing figures. The present disclosure is not, however, limited to the aspects and embodiments shown.
- each of the figures show a boot 100, configured for the right foot of a wearer, and constructed as a soft boot employing soft, flexible materials such as leather, fabrics, plastics (e.g., non-rigid plastics) or other suitable natural or manmade materials.
- soft, flexible materials such as leather, fabrics, plastics (e.g., non-rigid plastics) or other suitable natural or manmade materials.
- lateral side is used to refer to the side of a boot facing outward and away from the wearer, i.e., the left side of the left boot and the right side of the right boot, when worn by the wearer.
- the term “medial side” is used to refer to the side of a boot facing inward toward the wearer's other foot, i.e., the right side of the left boot and the left side of the right boot, when worn by the wearer.
- Figs. 1A-1C depict a boot 100 configured to have a single lacing zone for tightening the front side and shaft region (e.g., along the medial and lateral sides) of the boot, simultaneously.
- the boot 100 has a boot body 110, a sole 120 and an inner lining 130.
- the body 110 has a lower region 112 adapted to cover the foot of a wearer, and an upper region 114 adapted to cover at least a portion of the wearer's shin.
- the lower region 112 and upper region 114 of the body may be a part of the boot upper, which is generally known to those of skill in the art to be the portion of the boot above the sole 120.
- the upper region 114 may enclose the shaft region of the boot and be aligned along a shaft axis A, which extends along a direction that may be preferable to urge the leg of the wearer in an orientation that may be appropriate for the intended purpose of the boot.
- the upper region 114 of the boot may be tilted at an angle slightly forward, or in another appropriate direction, so as to assist the wearer in conforming to a suitable riding/hiking stance.
- the shaft axis A of the upper region 114 may shift slightly during use according to the wearer's posture and weight distribution.
- the liner 130 may be inserted into the interior region of the boot and, for example, may be removably attached to the body 110. In some cases, the liner may be provided with cushioning so as to provide a suitable level of comfort to the wearer.
- the liner 130 may also include one or more J bars (not shown in the figures) located on medial and lateral sides toward the rear of the liner. J bars are known in the art as shaped inserts that fill space by extending along various regions of the Achilles' tendon region of the boot, which may be helpful to mitigate heel lift during use. The present disclosure is not limited in this respect, as no liner or J bars need be employed.
- a tongue stiffener may be employed to stiffen an otherwise flexible tongue.
- An example of a tongue stiffener may be found in commonly assigned U.S. Patent 6,360,454, appropriate portions of which are hereby incorporated herein by reference.
- the body 110 further includes a tongue opening 116, disposed in a shin-to-toe direction.
- the tongue opening 116 may have an upper region 117 and a lower region 118.
- a tongue 119 may be disposed within the tongue opening 116, and attached e.g., via stitching, at a lower end portion to the body 110, in a conventional manner known in the art.
- the sole 120 is attached or formed integral with the boot body 110 and may be made up of any suitable material, such as rubber or another synthetic material.
- the boot 100 includes a lace 140 that may be threaded through the medial and lateral sides of the tongue opening 116.
- the lace 140 may be threaded via lace guides 160, 162, described further below, which have channels that accommodate passage of the lace 140 therethrough, so that the lace 140 extends over portions of the tongue opening 116.
- the lace 140 extends over an upper region 117 of the tongue opening 116, passing through the lace guide 160.
- the lace 140 also extends over a lower region 118 of the tongue opening 116, passing through the lace guide 162.
- the lace 140 may be used to tighten the entire front side of the boot 100 at both the upper region 117 and the lower region 118.
- tightening of the lace 140 may serve to reduce the width of the tongue opening 116 by drawing medial and lateral sides (e.g., edges) of the tongue opening 116 toward one another in a suitable manner.
- the lace 140 can be arranged in a number of different ways, and the present disclosure is not limited to any particular implementation.
- the lace 140 follows a meandering path and does not cross over itself. Or, as shown, the lace 140 may cross over itself at appropriate locations of the boot.
- the present disclosure is not limited in this regard, as other lacing patterns may be used as will be apparent to one of ordinary skill in the art. For example, a lacing pattern in which laces cross over themselves may be employed. Multiple laces may also be employed in various embodiments.
- the lace 140 should be sufficiently strong so as to resist the substantial forces that can be encountered when snowboarding or performing other activities, and in this respect may require greater strength than the laces typically employed in conventional footwear such as athletic shoes.
- the lace 140 can be formed from a monofilament or a multistrand line.
- the lace 140 is formed of a low-friction material capable of resisting a high tensile force without substantial elongation to minimize frictional engagement between the lace 140 and the lace guides 160, 162, and thereby facilitate even pressure distribution throughout the lacing zones. While not limited to any particular material or any particular form (i.e., woven, braided, monofilament, etc.), examples of materials that can be used for the lace 140 include various types of fabrics, plastics, cables, metals, KEVLAR ® and/or SPECTRA ® Cord.
- Embodiments described herein may be arranged to provide a suitable degree of tightening of the rear side of the boot.
- the lace 140 also extends from the front side of the boot rearward along the medial and lateral sides through respective lace guides 164.
- the lace 140 is coupled to a strap 150 that extends along the rear backstay of the boot, which is located over the Achilles' tendon area of the wearer.
- the strap 150 wraps at least partially around and covers the rear backstay.
- the strap 150 may be attached or otherwise coupled to the boot by any suitable method.
- the strap may be stitched at its center, or other suitable location(s), to the rear side of the boot.
- the strap may be arranged to slide through one or more layers or slits provided by the boot.
- the strap 150 extends underneath, or inside of, the rear backstay of the boot.
- the strap 150 includes strap lace guides 152 located on opposite ends of the strap, for holding the lace 140 on respective medial and lateral sides of the boot.
- Fig. 1A shows the lace 140 extending through the passageway provided by the lace guide 152 of the strap 150 on the lateral side of the boot
- Fig. IB shows another side of the lace 140 extending through the passageway of the corresponding lace guide 152 of the strap 150 on the medial side of the boot.
- the lace 140 forms a loop with the strap 150, or is coupled to the strap in another suitable manner, so as to be able to pull against the strap in a direction toward the front side of the boot.
- the lace 140 may pull against the strap 150 in a direction substantially parallel to the direction in which the strap extends (e.g., substantially perpendicular to the shaft axis A along which the upper region 114 of the boot is oriented), drawing or otherwise pulling against the strap 150 toward the front side of the body.
- the strap 150 may be brought inward, in a suitable manner, so that a suitable pressure is applied from the rear of the boot to hug the Achilles' tendon area of the wearer. Or, the strap 150 may remain relatively fixed while the medial and lateral sides of the boot are drawn inward toward the shaft region so as to squeeze respective sides of the ankle or lower leg of the wearer. In some embodiments, the pulling action on the strap 150 causes sides of the boot surrounding the shaft region to collapse, providing a secure, yet snug, fit for the wearer. As discussed above, upon tightening, the respective tension of the laces extending along the medial and lateral sides of the boot may increase, resulting in the application of a pressure in a direction perpendicular and inward relative to the surface of the boot.
- the lace 140 may be configured to only partially circumscribe the upper region 114 of the body 110.
- the lace is not required to completely surround the circumference of the upper region of the boot body, yet may still be arranged so as to be able to pull against the rear of the body.
- the lace may run along the front, medial and lateral sides of the boot and may further be coupled to a rear strap, without fully extending around the rear backstay.
- the lace may be arranged so as to extend around and cover a portion of the rear side, and may run along medial and/or lateral sides of the boot, yet without extending across the front side. In either arrangement, tightening of the lace will result in the rear side of the boot being pulled inward in a suitable manner.
- the present disclosure is not limited in this manner, as for some embodiments, the lace 140 may fully circumscribe the body; that is, the lace may extend completely around the circumference of the upper region of the boot body (not shown in the figures).
- the lace 140 may have two opposing ends where one of the ends is anchored at a suitable location of the boot and the other end is manually tensioned (e.g., by pulling). Or, both ends of the lace may be free so as to be anchored or tied at appropriate locations of the lace. In some embodiments, one or both ends of the lace 140 may be coupled to a tensioning member 170.
- the tensioning member 170 may be coupled to both ends of the lace in a rotary closure arrangement such that, upon tightening by the tensioning member, the tensioning member 170 reels or otherwise brings the lace 140 in from both ends.
- one of the ends of the lace may be coupled to the tensioning member 170 and the opposite end of the lace may be anchored at a location away from the tensioning member.
- the tensioning member may pull the lace taut from the opposing end.
- any suitable tensioning member 170 may be incorporated in embodiments of the present disclosure.
- the tensioning member 170 may employ a rotary closure device, such as the BOA closure system. With such a device, one or both free ends of the lace may be threaded into the body of the device and wrapped around a spool as the spool is rotated to reel the lace in to achieve the desired tension.
- a rotary closure device such as the BOA closure system.
- closure devices may be used in other applications, such as for use with a cable tightening system to replace conventional laces in an athletic shoe. Examples of such rotary closure devices are described in U.S. Pat. Nos.
- Figs. 1A-1C illustrate an embodiment of the tensioning member 170, which has a knob that is rotatable by a wearer to tighten or loosen the lace.
- the tensioning member 170 is coupled to both opposing ends of the lace. Accordingly, the tensioning member may be actuated to create tension in the lace by pulling the lace in from the two ends.
- the tensioning member may also be actuated, for example, rotated in a loosening direction or moved to an unlocked position (e.g., by pulling the rotary knob upward relative to the base), so as to loosen the lace and, thus, create a suitable amount of slack.
- Figs. 1A-1C depict arrows along the lace 140 that indicate the direction in which tension is applied to the lace upon actuation of the tensioning member 170, for pulling the lace in and tightening of the boot.
- Fig. 1C shows the knob of the tensioning member 170 being rotated in a clockwise direction, resulting in tightening of the lace 140 from both ends. That is, both ends of the lace 140 are pulled into the tensioning member 170, resulting in the strap 150, to which the lace is hooked at the medial and lateral sides of the boot, being pulled in a direction toward the front side of the body.
- tightening of the lace 140 not only secures the front of the boot 100 about the tongue 112, by drawing medial and lateral edges of the upper and lower regions of the tongue opening 116 together, but also pulls against the strap 150 in a direction toward the front of the boot. This pulling action against the strap 150 may result in medial and lateral sides of the boot being drawn inward toward the shaft region.
- the tensioning member 170 is shown in the figures to be secured at an upper region 114 of the body. Such a location may be convenient for a wearer to reach down and adjust the tension of the lace without having to bend over excessively. However, it can be appreciated that the tensioning member may be located at any appropriate location of the boot. For example, the tensioning member may be located on a surface of the lower region 112 of the boot, or at another suitable location. Or, the tensioning member may be located at a medial or lateral side of the boot, as further described herein.
- a number of lace guides may be provided for suitably guiding and positioning the lace 140.
- the lace guide(s) may be formed in any desired configuration or arrangement. For example, they may comprise tubes (e.g., defining channels or passageways) and/or openings, hooks, eyelets, posts, and any other configuration or structure suitable to guide the lace.
- the lace guide(s) may be secured to the body of the boot substantially limiting movement of the lace guide(s).
- one or more lace guides may be loosely coupled to the body of the boot where the lace guide(s) are attached to the boot, yet may be re-positioned as desired.
- the lace guides 160, 162 around the tongue opening may have semi-circular or generally "C" shaped guiding surfaces.
- the lace guide may be partially closed to capture the lace and prevent the lace from dislodging from the lace guide when tension in the lace is relieved.
- the present disclosure is not limited in this regard, however, and any appropriate configuration of the lace guide to trap the lace may be used.
- the back portion of the lace guide may comprise a piece of flexible material to block the lace from becoming dislodged when tension in the lace is relieved.
- Other configurations are also contemplated and will readily occur to one of ordinary skill in the art.
- the radius of curvature "r" of the guide surface provides a gradual reversal of direction for the lace. Such a gradual reversal reduces kink points and reduces the chance that the lace will bind in the guide. In this manner, the efficiency with which the force applied to the lace is translated to the tightening tension on the lace is maximized. That is, drag or other losses are minimized.
- the radius of curvature "r" is approximately 1 ⁇ 2 inch. Other suitable radii of curvature, or other suitable shapes for the lace guide, may be employed as the present disclosure is not limited in this respect.
- the lace guides may be made from a low-friction material, such as polytetrafluoroethylene or other plastic/polymer, to reduce frictional drag on the laces.
- a low-friction material such as polytetrafluoroethylene or other plastic/polymer
- the present disclosure is not limited in this regard, however, as the lace guides can be made from any appropriate material, such as metal, polymer(s) or fabric.
- one or more of the lace guides are provided so as to be suitably concealed from view.
- the lace guide(s) may be located internal to the boot body, or positioned underneath the external surface of the body. This is in contrast to other embodiments, such as the embodiment illustrated in Figs. 1A-1C where the lace guides visibly extend over the outer surface of the boot body 110.
- lace guides may be located at a position beneath the outer surface of the boot, or may otherwise be covered. As a result, a substantial portion of the lace guides and, hence, lace that runs therethrough, may be hidden from view.
- the lace guide(s) are stitched or otherwise attached to the body of the boot at a suitably concealed location.
- FIG. 2 shows an illustrative embodiment of a boot 100 that is similar to the boot of Figs. 1A-1C, except here, a substantial portion of the lace guides through which the lace extends is hidden from view, indicated by the dashed lines. As shown, substantial portions of the lace 140 that extend through the lace guides 160, 162, 164, and the lace guides themselves, run underneath the outer surface of the boot and are not visible to observers. In some embodiments, the lace guides are aesthetically incorporated with various layers of the boot.
- lace 140 may be visible. For instance, as further shown in Fig. 2, a portion of the lace 140 that extends between the lace guides 152, 164 may be visible. In some cases, such visibility of the lace 140 may allow a wearer to assess how tightly the strap 150 has been pulled inward toward the front, the degree to which the medial and lateral sides have been drawn into the shaft region, or whether the lace is functioning properly. While various combinations of internally and/or externally positioned lace guides are described and shown in the figures, other combinations are within the scope of the present disclosure and will be apparent to one of ordinary skill in the art.
- embodiments in accordance with the present disclosure may be configured such that one or more regions of the boot may be tightened independently from one another.
- the lace 140 is arranged so as to provide a single zone where the front and medial/lateral sides of the boot may be tightened at the same time. That is, tightening of the lace 140 to pull against the strap 150 at the back of the boot not only brings medial and lateral sides (e.g., opposing edges) of the tongue opening 116 together, but also draws or otherwise pulls the medial and lateral sides of the boot inward toward the shaft region of the boot.
- Figs. 3A-3C depict another embodiment of a boot 100 that incorporates a lacing system which is configured to pull against a strap 150 positioned at the rear side of the boot body 110 so that at least portions of the medial and lateral sides are brought together. Similar to Fig. 2, the lace guides 160, 162, 164 are located underneath the outer surface of the boot and so are hidden from view. Though, in this embodiment, the boot is arranged to have more than one lacing zone.
- the boot 100 may include multiple laces 140, 142 each having a tensioning member 170, 172 for manipulating the tension of the respective laces.
- a single lace may be employed for tensioning multiple zones.
- the lace may be divided into various portions that are each arranged so as to correspond to distinct tensioning zones for the boot.
- One portion of the lace may be configured to tighten the front side tongue opening of the boot, and another portion of the lace may be configured to pull against the strap located along the rear side of the boot.
- the lace may be appropriately anchored at particular locations of the boot so as to demarcate between lace portions that are used to tighten respective regions of the boot.
- distinct portions of the lace used to tighten particular regions of the boot may be suitably coupled to respective tensioning members for tightening thereof.
- a single tensioning member may be coupled to various portions of the lace, and may be used to tighten each portion of the lace and, hence, tighten each respective region of the boot.
- a first lace 140 extends over the upper region 117 of the tongue opening 116 and also extends rearward so as to couple to the strap 150. Similar to the embodiment of Figs. 1A-2, both ends of the lace 140 are coupled to a first tensioning member 170. Accordingly, tightening of the first lace 140 results in bringing medial and lateral sides of the upper region 117 of the tongue opening 116 toward one another and also pulling against the strap 150 at the rear side of the boot. Such pulling may bring medial and lateral sides of the shaft portion of the boot together, and optionally draw the strap 150 inward toward the front as well.
- first lace 140 coupled with the first tensioning member 170, may be tensioned so as to tighten both the upper region 117 of the front side of the boot and the rear/medial/lateral side(s) of the boot, simultaneously, independently from the lower region 118 of the front side of the boot.
- a second lace 142 is threaded along medial and lateral sides of the lower region 118 of the tongue opening 116.
- one end of the lace 140 is coupled to a second tensioning member 172 and the opposing end of the lace is anchored or otherwise secured to the body of the boot at a location 144 distal from the tensioning member 172.
- the tensioning member 172 draws in the one end of the lace 142 to which it is coupled while the opposite end of the lace is fixed to the boot, bringing medial and lateral sides of the lower region 117 of the tongue opening 116 toward one another.
- the second lace 142 coupled with the second tensioning member 172, may be tensioned so as to tighten the lower region 118 of the front side of the boot, independently from the upper region 117 of the front side and the
- embodiments in accordance with the present disclosure may employ any suitable arrangement of lace(s) and tensioning member(s).
- three separate laces each optionally coupled to a respective tensioning member, or anchored/tied at suitable locations, may be used for tightening three separate zones of the boot, such as the upper region of the front side, the lower region of the front side and the rear/medial/lateral side(s) of the boot.
- one lace may be used to tighten multiple zones independently (e.g., by being appropriately coupled to multiple tensioning members).
- a cushioning member may be provided at the rear of the boot so as to provide added comfort for the wearer. For instance, it may be preferable that compressive pressure provided to the rear side of the boot be distributed in a substantially even manner. While pulling inward against the rear of the boot may provide for a more snug fit for a wearer, stress concentrations applied at certain locations may lead to overall pain or discomfort. Accordingly, a cushioning member may be provided at the rear of the boot (e.g., between the strap and the boot body), so as to provide for a more comfortable fit when the strap is tightened inward. For example, Figs. 3A-3B show a cushioning member 180 located at the rear side of the body along the rear backstay of the boot body 110. As shown, the cushioning member is located between the boot body 110 and the strap 150. Though, other arrangements that include a cushioning member may be employed, for example, a cushioning member may be located between the interior of the boot body 110 and the foot of the wearer.
- the cushioning member 180 may be useful to distribute pressure at the rear side of the body upon tightening of the lace.
- the cushioning member 180 may have any appropriate shape and may be relatively soft (e.g., made up of a polymer, neoprene, etc.) compared to other portions of the body, so as to provide an added amount of comfort for the wearer upon tightening of the lace.
- the cushioning member 180 may provide a gradual transition for the wearer from a relatively loosened position to the more tightened position.
- the lace(s) and strap(s) in accordance with the present disclosure are not limited in this respect.
- the lace may be secured to the strap at one end while the other end of the strap is anchored to the boot body. Accordingly, upon tightening of the lace, the strap may be pulled by the lace toward the opposing medial or lateral side.
- the strap upon tightening of the lace 140, the strap may be pulled in a direction from the medial side toward the lateral side, or from the lateral side toward the medial side, pulling the strap against the rear of the boot 100 and toward the front.
- Figs. 4A-4B depict an embodiment of a boot 100 that shows such an arrangement where one end of the strap is anchored to the boot body.
- the boot 100 includes a lace 140 that extends from the lateral side through a strap 150 and around the rear backstay, terminating at the medial side of the boot. As shown, one end of the lace 140 extends upward so as to be coupled to a tensioning member 170 on the lateral side of the boot, and the opposite end of the lace 140 is anchored at a suitable location 144 on the medial side of the boot.
- the lace 140 When the lace 140 is tightened, the lace 140 is pulled from the medial side across the rear backstay to the lateral side of the boot, pulling the strap 150 inward against the rear of the boot, which may serve to squeeze portion of the Achilles' tendon area of the wearer.
- the medial and/or lateral sides of the boot may also be drawn inward.
- the boot may suitably employ a separate lacing system for the tongue opening on the front side.
- one end of the strap may be anchored on a medial or lateral side of the boot, and the lace may form a loop or be coupled to the opposing end of the strap.
- the lace may pull on the end of the strap to which the lace is coupled, resulting in pulling of the strap inward so as to tighten the rear side, as well as other sides, of the boot.
- the boot 100 includes a lacing system that is arranged to pull up on the strap 150 in a manner that may bring the rear side of the boot inward. In some cases, the medial and lateral sides of the boot may also be brought inward toward the shaft region. As shown, similar to other embodiments described herein, the strap 150 extends across the portion of the rear side of the boot that covers the Achilles' tendon area of the wearer. Though, in this embodiment, the ends of the strap on the lateral and medial sides of the boot are re-routed through respective adapters 154 (e.g., D-rings), so as to extend from a substantially horizontal direction to a substantially vertical direction.
- the lace 140 extends above the strap 150 and hooks on to respective ends of the strap through the lace guides 152.
- the tensioning member 170 is coupled to both ends of the lace 140.
- the strap 150 is pulled in a direction substantially parallel to the shaft axis along which the upper region of the body is oriented (e.g., in a vertical direction, substantially perpendicular to the direction in which the strap extends), cinching the strap (e.g., at the adapters) against the rear side of the boot.
- the strap may also be drawn inward toward the shaft region at the medial and lateral sides of the boot.
- tensioning of the lace may cause pressure build up in an undesirable manner in regions where the lace is located. Accordingly, it may be preferable to restrict the lace to a region of the boot where tightening thereof does not lead to discomfort.
- the strap 150 may include any suitable material.
- the strap may be constructed so as to provide for a relatively comfortable fit for the wearer when pulled against the Achilles' tendon area of the wearer.
- the strap may be made up of a relatively soft material, such as a fabric, plastic/polymer (e.g., polyurethane, polyimide, polyester, polyethylene, etc.), foam, webbing or other suitable material that is able to transfer pressure (e.g., for applying compression against the rear backstay) while also having an appropriate degree of flexibility (e.g., for distributing stress in a comfortable manner).
- the strap may further have any suitable shape or configuration that allows for various regions of the boot body to be pressed inward, while distributing pressure over a large area, in a relatively even manner.
- Figs 6A-6D illustrate a number of examples of straps 150 that are shaped so as to flare outward from the point of attachment of the lace 140, for example, at the strap lace guide.
- the strap 150 may be protected or otherwise covered by a strip of material (e.g., fabric, skin, etc.) on the boot body so as not to expose the rear of the outer surface of the strap. Or, as shown in Fig. 6C, the outer surface of the strap 150 may be exposed, extending over the rear of the boot.
- a strip of material e.g., fabric, skin, etc.
- the strap 150 may positioned over the J bar insert(s) located along the liner of the boot. Accordingly, upon tensioning of the lace portion(s), the strap may be pulled against the respective J bars, further limiting lift of the heel that may otherwise be prone to occur during use.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US14/307,179 US20150359296A1 (en) | 2014-06-17 | 2014-06-17 | Lacing system for footwear |
PCT/US2015/036164 WO2015195755A1 (en) | 2014-06-17 | 2015-06-17 | Lacing system for footwear |
Publications (1)
Publication Number | Publication Date |
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EP3157369A1 true EP3157369A1 (de) | 2017-04-26 |
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ID=53546704
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EP15738172.4A Withdrawn EP3157369A1 (de) | 2014-06-17 | 2015-06-17 | Schnürverschluss für schuhwerk |
Country Status (3)
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US (1) | US20150359296A1 (de) |
EP (1) | EP3157369A1 (de) |
WO (1) | WO2015195755A1 (de) |
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JP2015229111A (ja) * | 2014-06-03 | 2015-12-21 | ケイ‐ツー、コーポレーションK−2 Corporation | スポーツブーツ用の単一リールの区分された締め紐システムおよびこれを備えたスポーツブーツ |
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WO2018165990A1 (zh) * | 2017-03-16 | 2018-09-20 | 北京孙寅贵绿色科技研究院有限公司 | 滑雪靴 |
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CN112955048B (zh) * | 2018-09-19 | 2022-11-18 | 耐克创新有限合伙公司 | 区域动态系带*** |
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US20210112922A1 (en) * | 2019-10-21 | 2021-04-22 | Puma SE | Article of footwear having adaptive actuation mechanics |
JP2023508936A (ja) * | 2019-12-31 | 2023-03-06 | ボア テクノロジー,インコーポレイテッド | 物品を締め付けるための締め付け装置 |
CN115279223A (zh) * | 2020-02-04 | 2022-11-01 | 耐克创新有限合伙公司 | 鞋类物品的张紧*** |
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-
2014
- 2014-06-17 US US14/307,179 patent/US20150359296A1/en not_active Abandoned
-
2015
- 2015-06-17 EP EP15738172.4A patent/EP3157369A1/de not_active Withdrawn
- 2015-06-17 WO PCT/US2015/036164 patent/WO2015195755A1/en active Application Filing
Also Published As
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WO2015195755A1 (en) | 2015-12-23 |
US20150359296A1 (en) | 2015-12-17 |
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