CN116583203A - Tightening system for shoes or clothing articles or accessories - Google Patents

Abstract

The invention relates to a tightening system (1) for shoes or articles of clothing or accessories, comprising: a lacing (2); a substrate (3) having an inner surface and an exposed surface (6) opposite the inner surface; a lace locking element (4) for adjusting the tension of the lace (2), said lace locking element being arranged at the exposed surface of the substrate (3) and being crossed by the lace (2) so as to define a lace portion downstream of the lace locking element (4) comprising two lace sections coming out of the lace locking element (4); one or more first channels (5) integrated with the substrate (3), wherein a strap portion downstream of the strap locking element passes through the one or more first channels (5) defining a strap end portion (7) on one side of the exposed surface (6) extending beyond the one or more first channels (5), and the strap end portion comprises one strap section or two strap sections that are discontinuous with each other.

Description

Tightening system for shoes or clothing articles or accessories

Technical Field

The present invention relates to a tightening system for shoes or articles of clothing or accessories, and therefore to shoes or articles of clothing or accessories comprising laces whose tension can be adjusted.

Background

Systems are known today that use laces, strings, etc. to adjust the tension and/or closure of articles of clothing, shoes and accessories.

The simplest system comprises a strap that is pulled to attach the article of footwear to the foot when the strap is used, for example, with a shoe worn on the foot of a user. The lace is then tied with a knot to maintain the desired tension, i.e., fastened, for example, with a buckle or slider, to prevent loosening thereof, which would result in the article of footwear slipping off. This results in so-called excess lacing portions that are downstream of the knot and may be either long or short whenever the lace is tied with the knot. The excess portion is located on the outside of the display article and is free to float with movement of the article of footwear, thus constituting a potential hazard in that it may be caught by external objects, thereby releasing the knot or tearing, or even tripping over by the user. In addition, the excess portion can undesirably rock up and down on the outside of the shoe when moving around. Finally, the excess constitutes a factor affecting the aesthetic appearance of the article of footwear and may limit its freedom of design.

Solutions for placing excess lacing portions in a container or shell to be applied to an article of footwear are also known, such as the solutions described in patent US 9,867,431 B2. While this solution is advantageous, it is not without drawbacks, which can lead to considerable complications, for example, because the container comprises various components and also significantly changes the appearance of the article of footwear to which it is applied.

Patent US 4,999,888 describing a device for retaining the lace of a shoe, which is also known, is provided with a strip of material of the "hook and loop" type which, after coupling to the excess portion of the lace, is rolled up on itself. Furthermore, this solution is not without drawbacks, which present a real risk of damaging the lace, which may tear/separate from the "hook and loop" type material. Furthermore, it is disadvantageous that once the strip has rolled up on itself, the lace retaining means occupy a considerable volume, thus making it difficult, for example, to drive the vehicle, in addition to significantly changing the appearance of the article of footwear to which it is applied. Still another disadvantage is that the lace retaining device is not allowed to adjust the lace once the lace has been rolled up.

The solution described in patent US 4,967,454 is also known, which allows to fix the free end of the lace, the tension of which is regulated by a movable slider through removable connection means for connection with the vamp. However, the free end of the lace may accidentally disengage from the upper, for example, due to wear or breakage of the connecting means, or due to the lace getting caught on external obstructions. Disadvantageously, in this case the entire lacing portion downstream of the movable slider is allowed to move freely and dangerously and annoyingly swing. In addition, when it is desired to increase the tension of the lace, this will inconveniently increase the excess lace portion, thereby increasing the risk of the lace being caught by external objects.

The solution described in patent application US 2006/0143949 A1 is also known, which describes a shoe provided with a flap and a lace that goes in and out of the slider, which adjusts the tension of the lace, so as to form a slot, at the end of which a piece of material is attached, which is provided with removable connection means for connection with the flap. In this case, the same drawbacks as highlighted by the solution proposed in the above reference US 4,967,454 are basically noted.

Disclosure of Invention

The technical problem underlying the present invention is to provide a tightening system/closing system for shoes or articles of clothing or accessories, and therefore also shoes or articles of clothing or accessories, having features that overcome one or more of the drawbacks mentioned above, for example with reference to the known art.

According to the present invention, the above-mentioned problems are solved by a tightening system/closing system for shoes or articles of clothing or accessories, comprising:

a lace for closing the shoe or clothing article or accessory;

a substrate on which at least a portion of the tie is disposed, wherein the substrate has an inner or first surface and an exposed surface opposite the inner surface, the exposed surface also being defined as an outer or second surface;

A lace locking element for adjusting the tension of the lace, wherein the lace locking element is disposed at the exposed surface of the substrate, wherein the lace passes through the lace locking element, thereby defining a lace portion downstream of the lace locking element, the lace portion comprising two lace sections exiting the lace locking element;

one or more first channels integral with the substrate, wherein the lace portion downstream of the lace locking element passes through the one or more first channels, thereby defining a lace end portion on one side of the exposed surface that extends beyond the one or more first channels, the lace end portion comprising one segment or two lace segments that are not adjacent to each other, i.e., are not contiguous/discontinuous with each other.

The term "lace" is used herein in its most common and customary sense and thus denotes any lace and the like of the type known in the art, such as ropes, strings, twines, laces, straps and similar flexible elements, which may be elastic or partially elastic and may include two free ends or may resemble a closed loop.

The term "substrate" refers to a portion of the shoe or a portion of the article of apparel or accessory where at least a portion of the lace is disposed, so the tightening system is configured to tighten, or stretch the lace, thereby tightening the shoe or the article of apparel or accessory in some manner.

The underlay may thus be, for example, a tongue or part of a tongue, an upper part, a collar part, a lapel part, a chest part, a hood part, a waist part or a leg part of an article of clothing such as a jacket, a coat, a vest, a sweater, pants or shorts, a skirt or the like, or may be part of a hat or a glove or a bag or similar clothing accessory, according to the above.

The expressions "inner surface" and "first surface" which are identical to each other refer to the side of the substrate which substantially faces the wearer wearing the shoe or the clothing article or the accessory or the interior of the clothing accessory when the accessory is constituted by a bag or the like.

The expressions "exposed surface", "second surface" and "outer surface", which are equivalent to each other, refer to the side of the substrate that substantially faces the opposite part of the wearer wearing the shoe or wearing the article of clothing or wearing the accessory, or the side that faces the outside of the clothing accessory when the accessory is constituted by a bag or the like, for example.

The term "channel" refers to any path or length of more or less extension through which the lace passes, so that the lace extends upstream and downstream of the path, wherein the path preferably, but not exclusively, includes at least one corresponding portion that completely encloses the lace.

Within the scope of the present invention, the terms "channel" and "path" are equivalent to each other and thus interchangeable.

The expression "channel integrated with the substrate" etc. means that the channel is placed directly on the substrate or at a fixed or almost fixed distance from the substrate, since it cannot be separated from the substrate, for example the tie, remains constrained to the substrate at the channel when passing through the channel.

In accordance with the foregoing and in accordance with the invention, it may be generalized that the extension of the lace end portions that extend beyond the one or more first channels is less than the extension of the lace portions that extend downstream of the lace locking elements. This is advantageous because it allows to reduce the possible free floating lace portion which, in the known solutions, corresponds substantially to the whole lace length downstream of the lace locking device, which is reduced to said lace end portion according to the invention.

In practice, the lace end portions correspond to exposed lace portions that extend over the substrate at locations beyond the one or more first channels.

The tightening system of the present invention is also advantageous in that it allows the tension of the lace to be adjusted so as to maintain it substantially attached to the shoe or clothing article or accessory.

The tightening system of the present invention is also advantageous in that it allows the tension of the lace to be adjusted in an almost instantaneous manner, since it is sufficient to lengthen or shorten the end portion of the lace, that is to say to "shoot" the optimal length with visual memory for future use.

The present tightening system is also advantageous in that it allows to provide in an almost instantaneous manner a variation in the tension of the lace, which originates from a given variation in the length of the end portion of said lace. As already mentioned in relation to the known solutions, this advantage is possible from the point of time when the free-floating lace portion substantially coincides with such a lace end portion, which always has a limited extension length and in any case extends less than the lace portion extending downstream of the lace locking element and is therefore easily perceived by the human eye when the length changes.

In summary, to further facilitate the above, the present tightening system preferably comprises a signal transmission mechanism for indicating the tension of the lace, the signal transmission mechanism being selected from the group consisting of notches disposed on the lace, markings painted, colored or applied on the lace, lace portions having different colors from each other, and combinations thereof.

In practice, the signal transmission means are distinctive signs of given length or placed at a given distance from each other and are adapted to simplify the lace adjustment operation.

With respect to the lace end portion, and in particular with respect to the one or more first channels that define the lace end portion, it should be noted that the one or more first channels may be obtained in various ways in accordance with the present invention.

According to one embodiment of the invention, for example, the tightening system comprises at least one constraint element, preferably of elongated shape, constrained/fixed to the substrate and having at least one visible portion arranged on the exposed surface, which together with the substrate defines the one or more first channels.

The at least one restraining element or at least the visible portion is in this case an eyelet forming member/eyelet preferably constituted by a strap, which is finally elastic, comprising an end portion fastened to the substrate, for example by gluing or stitching, and a central portion comprised between the end portions, which central portion may be released from the substrate and through which the tie strap passes, or which central portion itself may be fastened to the substrate at its intermediate portion, for example by gluing or stitching, so as to form two circumferential ring sections which together with the substrate form two first channels through which the tie strap passes, i.e. one tie strap section each. Alternatively and similar to the above, the at least one constraining element may be an eyelet formation made up of a band having a longitudinal edge secured to the substrate, for example by gluing or sewing, so as to form two circumferential segments that together with the substrate form two first channels through which the lace passes, one lace segment each. Alternatively and similar to the above, the at least one constraining element may be an eyelet formation formed of a wire-like element, which may resemble a closed loop and which may be elastic, passing through and being fastened to the substrate. Alternatively and similar to the above, more than one constraining element may be provided, for example, two constraining elements of the type described may be provided, for example two separate strips each defining a respective one of the first channels, or two linear elements which may be intersecting and each defining at least one respective first channel.

In still a further embodiment according to the invention, the tightening system comprises at least one constraining element which is constrained/fixed to the substrate and has at least one visible portion, possibly elongated, arranged on the exposed surface and provided with at least one opening, i.e. at least one through hole, defining at least one first channel, i.e. the one or more first channels.

In this case, the at least one constraining element may be a kind of a small plate, patch, tape or so-called D-ring, which is fastened to the substrate, for example by gluing or stitching, and has an opening defining a first channel, or has a plurality of openings defining more than one first channel, for example two, three or four openings defining two, three or four first channels, respectively, wherein the plurality of openings may be arranged on the at least one constraining element at the same height or at different heights. Alternatively and similarly to the above, more than one restriction element may be provided, for example two restriction elements of the type described may be provided, each provided with a respective opening. In the case where the plurality of openings are arranged at mutually different heights as described above, it is apparent that the lace end portions or lace exposed portions correspond to lace portions that extend beyond all of the openings arranged at the different heights, i.e., the lace portions that extend beyond all of the first channels.

In still another embodiment of the present invention, the tightening system comprises at least one constraining element constrained to the substrate and having at least one visible portion, possibly elongated, arranged on the exposed surface and possibly folded over itself and defining the first channel.

In this case, the at least one constraining element, in particular the at least one visible portion, may be a strip fastened to the substrate, for example by gluing or stitching, which is folded onto itself at the end portions, obtaining slits/slots defining the first channels. Alternatively and similar to the above, the at least one constraining element and in particular the at least one visible portion may be a folded strip, possibly elastic, fastened to the substrate by stitching or gluing, or the at least one constraining element and in particular the at least one visible portion may be a folded-in thread element, possibly elastic, fastened to the substrate by stitching or gluing, defining a first channel in the respective fold or folded portion. Alternatively and similar to the above, the at least one constraining element in the shape of a folded band or a folded wire element may be passed through the substrate to be fastened to the substrate, and possibly like a closed loop. Alternatively and similarly to the above, more than one constraining element may be provided, for example two bands of the type described, two threadlike elements of the type described, or one band of the type described and one threadlike element of the type described.

In still another embodiment of the present invention, the tightening system comprises at least one constraining element constrained to the substrate, the at least one constraining element having: at least one visible portion, preferably elongated, disposed on the exposed surface; and a perforated element coupled to the at least one visible portion, wherein the at least one perforated element defines a first channel.

The at least one constraining element and in particular the at least one visible portion thereof may be a tape or a wire-like element fastened to the substrate, for example by gluing or stitching, with a conical/triangular/bodkin ring that may define a first channel. As an alternative to or similar to the above, more than one constraining element may be provided, for example two bands of the type described, two threadlike elements of the type described, or one band of the type described and one threadlike element of the type described, with two corresponding triangular rings defining two first channels.

In still another embodiment of the present invention, the tightening system comprises at least one constraining element constrained to the substrate, the constraining element having at least one visible portion disposed on the exposed surface, wherein the at least one constraining element resembles/is in the shape of a closed loop.

In this case, the at least one constraining element and possibly the at least one visible portion may be a bodkin ring fastened to the substrate, for example by stitching or gluing.

In still another embodiment of the present invention, the one or more first channels may be formed directly on the substrate.

In this case, the substrate is provided with a through opening, in particular with at least one opening for passing the tie from the exposed surface to the inner surface, and with at least one opening for passing the tie from the inner surface to the exposed surface. In this case, the lace portion downstream of the lace locking element extends partially on one side of the inner surface of the substrate. Similar to the above, it should be said that the substrate is preferably provided with two through openings for the passage of the lace from the exposed surface to the inner surface, and with two through openings for the passage of the lace from the inner surface to the exposed surface.

According to all the embodiments provided above, it should be said that according to the invention, the tightening system preferably comprises a second channel and a third channel integrated with the substrate, and that the second channel and the third channel are arranged on opposite parts of the one or more first channels with respect to the lace locking element, wherein the lace passes through the second channel and the third channel.

The second and third channels are advantageous in that they allow guiding the lace into the interior of the lace locking element in an optimized direction.

In effect, the second path and the third path constitute an orienting mechanism for orienting the lace upstream of the lace locking element, while the one or more first channels constitute a constraining mechanism for constraining the lace to the substrate downstream of the lace locking element, in particular at a position as far away from the lace locking element as possible, thereby reducing the visible lace portion that may be free floating, i.e. free moving.

In this regard, it should be noted from the above that the constraining mechanism may be symmetrically formed or may be asymmetrically formed, i.e. may include portions that substantially correspond to each other formed in different ways, while the third path and the second path may be implemented in the same way so as to make the orienting mechanism symmetrical, or the third path and the second path may be implemented in different ways from each other so as to make the orienting mechanism asymmetrical.

Further, according to the above, the orientation mechanism and the restraining mechanism may be formed in substantially the same manner, or may be formed in different manners from each other. In other words, according to the invention, the second channel and the third channel may be realized substantially identical to each other and to the one or more first channels, substantially identical, partly identical or different.

Thus, in accordance with the foregoing and the invention, in some embodiments, the tightening system preferably includes at least one directional element for guiding the lace, the directional element being constrained to the substrate and having at least one visible portion disposed on the exposed surface,

wherein the at least one visible portion together with the substrate defines the second channel and/or the third channel; or alternatively

Wherein the at least one visible portion is provided with at least one through opening defining the second channel or the third channel; or alternatively

Wherein said at least one visible portion is folded, possibly upon itself, thereby defining said second channel or said third channel; or alternatively

Wherein the at least one constraining element comprises a perforated element in combination with the at least one visible portion, the perforated element defining the second channel or the third channel.

In keeping with the description just set forth, it is clear that the description for the at least one constraining element is also valid for the at least one orienting element, with the second channel and/or the third channel being implemented similarly to the one or more first channels or similarly to the one or more first channels, as further demonstrated below, except taking into account that the lace passes through the orienting mechanism in a direction perpendicular or substantially perpendicular to the direction in which the lace passes through the constraining mechanism. In other words, the tie has portions that are locally mutually perpendicular or nearly mutually perpendicular at the second channel, at the third channel and, respectively, at the one or more first channels.

The at least one directional element is also advantageous in that by contact with the lace it absorbs part of the tension acting on the lace, thereby reducing the total stress acting on the lace locking element and thus reducing the risk of damaging or even destroying the lace.

According to the above and according to a further embodiment of the invention, the second channel and/or the third channel and thus the orientation mechanism may be implemented directly on the substrate.

In this case, the substrate is provided with a through opening, and in particular two openings at the second channel, for the passage of the tie from the exposed surface to the inner surface and correspondingly from the inner surface to the exposed surface, and/or wherein the substrate is provided with two openings at the third channel, for the passage of the tie from the exposed surface to the inner surface and correspondingly from the inner surface to the exposed surface.

According to all the embodiments provided above, it should be said that according to the invention, the tightening system preferably comprises at least one attachment member associated with the lace end portion, wherein preferably the at least one attachment member has a size such that it cannot pass completely through the restraining mechanism, i.e. the one or more first channels.

The attachment is preferably constructed from a piece of fabric, leather or synthetic material.

The at least one attachment is advantageous in that it allows for improved gripping of the lace, for example by hand, for performing an adjustment operation of the lace.

Advantageously, the at least one attachment also allows not to directly contact the lace when, for example, the hands are dirty, or in any case when it is desired to avoid the lace being contaminated by, for example, grease naturally present on the skin of the hands.

In light of the foregoing, it should be noted, however, that the at least one attachment is not necessary to allow a user to grasp the lace, as according to the present invention, the lace end portion is always provided in addition to the one or more first channels, regardless of whether it is exposed or visible, and in any event there is a lace portion that is not sized to pass completely through the at least one attachment of the restraining mechanism, yet further and continuously ensures that there is always a lace portion that extends beyond the one or more first channels.

According to all the embodiments provided above, it should be said that according to the invention, the tightening system preferably comprises a fastening mechanism for fastening the lace end portion to the substrate, wherein the fastening mechanism is selected from the group comprising: hooks associated with the substrate, tie posts/lanyards associated with the substrate, buckles associated with the substrate, loops and hooks associated with the lace end portions and the substrate, respectively, or vice versa, a pair of so-called hook and loop elements or magnetically interactive elements, one associated with the substrate and the other associated with the lace end portions.

Whenever the fastening mechanism comprises a pair of elements that interact with each other, such as loops and hooks as described above or a pair of so-called hook and loop elements or a pair of magnetically interactive elements, one element of the pair is bonded to the substrate (as described above) while the other element of the pair may be bonded to the lace end portion via the at least one attachment (if present) and thus the other element may be bonded directly to the at least one attachment (if present).

The tightening mechanisms are advantageous in that they allow limiting the float of the lace end portions.

According to all the embodiments provided above, it should be said that said lace locking element is preferably, but not exclusively, detached from said substrate, and in a number of preferred embodiments is only coupled to the substrate by said lace, the lace locking element being selected from the group comprising: a lace locking element provided with a button for locking/releasing the lace, an elastic annular lace locking element, a lace locking element provided with two channels, preferably having an inner surface of high friction material in contact with the lace.

Preferably, the at least one restraining element and the at least one orienting element are made of a material selected from the group comprising leather, textile, metal, natural or synthetic fibers, polymeric materials, or combinations thereof, which can be considered a lace return element.

In accordance with the above and in accordance with the invention, it should be added that, as long as the lace end portion comprises two lace sections that are not adjacent to each other, i.e. the end portion or free end of the lace, one or each of these lace sections may have a respective enlarged portion, so as not to pass through the one or more first channels, the enlarged portion being realized, for example, by a knot of the end portion. Regardless, what has been described above with reference to the at least one attachment and/or with reference to the fastening mechanism is valid for one and/or the other of the lace sections whenever the lace end portions include the lace sections that are not adjacent to one another.

Drawings

Further characteristics and advantages of the invention will become better apparent in the following detailed description of some preferred but not exclusive embodiments, illustrated by way of example and without limitation, with the aid of the accompanying drawings, wherein:

Figure 1 schematically shows a tightening system of a shoe or an article of clothing or an accessory according to the invention;

fig. 2 schematically shows the tightening system of fig. 1 according to an embodiment variant of the invention;

fig. 3 schematically shows the tightening system of fig. 1 according to an embodiment variant of the invention, with corresponding enlarged details;

fig. 4 schematically shows the tightening system of fig. 1 according to an embodiment variant of the invention;

fig. 5 schematically shows the tightening system of fig. 1 according to an embodiment variant of the invention;

fig. 6 schematically shows the tightening system of fig. 1 according to an embodiment variant of the invention;

fig. 7 schematically shows the tightening system of fig. 1 according to an embodiment variant of the invention;

fig. 8 schematically shows the tightening system of fig. 1 according to an embodiment variant of the invention;

fig. 9 schematically shows the tightening system of fig. 1 according to an embodiment variant of the invention;

fig. 10 schematically shows the tightening system of fig. 1 according to an embodiment variant of the invention;

fig. 11 schematically shows the tightening system of fig. 1 according to an embodiment variant of the invention;

fig. 12 schematically shows the tightening system of fig. 1 according to an embodiment variant of the invention;

Fig. 13 schematically shows the tightening system of fig. 1 according to an embodiment variant of the invention;

fig. 14 schematically shows the tightening system of fig. 1 according to an embodiment variant of the invention;

figure 15 schematically shows the tightening system of figure 1 according to an embodiment variant of the invention;

figure 16 schematically shows the tightening system of figure 1 according to an embodiment variant of the invention;

figure 17 schematically shows the tightening system of figure 1 according to an embodiment variant of the invention;

figure 18 schematically shows a shoe comprising the tightening system of figure 11 according to the invention;

figure 19 schematically shows a portion of an article of clothing comprising the tightening system of figure 11 according to the invention.

Detailed Description

Referring to fig. 1, a tightening system for shoes or articles of clothing or accessories according to the invention is generally indicated 1.

The tightening system 1 basically includes a strap 2, a substrate 3, a strap locking element 4 and a channel or first channel 5, the channel or first channel 5 being integral with the substrate 3 and engaged by the strap 2 or penetrated in any way.

In detail, the substrate 3 corresponds to the portion of the shoe or of the clothing article or accessory where the lacing portion 2 is arranged, and has an inner surface that is not visible in the example of fig. 1 and an exposed surface 6 opposite to said inner surface.

A lace locking element 4 of a known type is adapted to adjust the tension of the lace 2 and is disposed on the exposed surface 6 of the substrate 3.

In particular, the lace 2 is threaded through the lace locking elements 4, n, the channel or the first channel 5 twice in succession along its extension and through the lace locking elements 4 again. Indeed, according to the example of fig. 1, the lace 2 defines a closed path downstream of the lace locking element 4, but the possibility of providing two lace sections downstream of said lace locking element that are not contiguous with each other is not excluded, as will become clearer hereinafter.

The closed path and thus the lace 2 downstream of the lace locking element 4 has two intermediate lengths, each indicated by 2a, which are arranged between the lace locking element 4 and the first channel 5 and the lace end portion 7 extends beyond the first channel 5, i.e. downstream of the first channel 5.

The first channel 5, which is integrated with the substrate 3 as described above, is advantageous in that it prevents the lace 2 from being completely detached from the substrate 3 when the tightening system of the present invention is used, so that the end length of the lace, i.e. the aforementioned end portion 7 of the lace, is always maintained, which is sufficient to allow the user to grip the lace 2 for proper adjustment.

In this regard, to adjust the tension of the lace 2, the lace is made to slide with respect to the lace locking element 4.

According to the example of fig. 1, the lace locking element 4 is of the type comprising a button, indicated with 8, for locking/releasing the lace, but does not exclude the possibility of providing a loop-shaped lace locking element made of metal or polymeric material, which is suitably elastic, and is not capable of generating sufficient friction upon contact with the lace, so as to prevent the possibility of lace slipping by maintaining the desired tension. It is also possible to provide a lace locking element having two channels with corresponding inner surfaces made of a high coefficient of friction material that is in contact with the lace.

Thus, according to the example of fig. 1, the tension of the lace 2 can be adjusted by pressing the button 8 so that the lace can slide with respect to the lace locking element 4. In practice, by pressing the button 8, the lace 2 is disengaged from the lace locking element 4 and can therefore be released to relax the tension or can be pulled to increase the tension by acting on the intermediate length 2a and/or end portions of the lace.

In other words, the lace portion downstream of the lace locking element 4 is made slidable with respect to the first channel 5, so that if the tension of the lace 2 increases, the length of the lace end portion 7 increases, or if the tension of the lace 2 decreases, the length of the lace end portion 7 decreases. The length of the two intermediate length sections 2a remains substantially unchanged. Once the desired tension is reached, the button 8 is released, thereby locking the position of the lace 2 relative to the lace locking element 4.

It should be noted that the length of the intermediate length section 2a and the length of the lace end portion 7 can be determined according to the possible needs, ensuring a significant degree of freedom of design.

As regards the first channel 5, it should be said that, according to the example of fig. 1, the present tightening system comprises a constraint element 9 constrained to the substrate 3, the constraint element 9 having a portion visible on the exposed surface 6 of the substrate 3, the visible portion defining the first channel 5 with the substrate 3 itself.

In particular, in this case, the constraint element 9 is an eyelet/eyelet forming member (eyelet) constituted by a belt or strip, which may be elastic, including end portions fastened to the substrate 3, for example by gluing or stitching, and a central portion 9a comprised between said end portions and not constrained to the substrate 3, and the tie 2 passing under the central portion 9 a. Alternatively and similarly to the above, the constraining element may be an eyelet formation formed from a wire-like element, possibly similar to a closed loop, or an eyelet formation formed from a closed loop strip, which passes through the substrate to be fastened thereto.

According to the example of fig. 1, tightening system 1 further comprises an attachment 10 associated with lace end portion 7.

The attachment 10 has a size that cannot pass completely through the first passage 5 and therefore cannot pass under the constraint element 9.

Referring to fig. 2, an embodiment variant of the invention is shown in which components corresponding in structure and/or function to those of the tightening system of fig. 1 retain the same reference numerals as those used for the components of the tightening system 1 described above and are described with reference thereto.

In particular, in the example of fig. 2, a tightening system 201 is shown, in which the channel or first channel 5 integrated with the substrate 3 is obtained directly on the constraining element 9, the constraining element 9 being a small plate constrained to the substrate 3, for example by stitching or gluing, and comprising holes or through openings.

In detail, in this case, the constraint element 9 comprises two portions, preferably defining a preset angle between them, respectively denoted by 9b and 9c, wherein the first channel 5, i.e. said hole or said through opening, is obtained on the portion 9b close to the lace locking element 4.

In fact, in this embodiment, the first channel 5 is crossed by the tie 2 along an axis that is locally perpendicular to the extension surface of the constraint element 9.

The tightening system 201 also shows an attachment 10 in combination with the lace end portion 7, which attachment 10 has dimensions such that it cannot pass completely through the first channel 5 and thus cannot pass through said through opening provided on the constraint element 9.

Also shown in the example of fig. 2 are the button 8 of the lace locking element 4, the intermediate length 2a of the lace 2, and the exposed surface 6 of the substrate 3.

Referring to fig. 3, an embodiment variant of the invention is shown in which components corresponding in structure and/or function to those of the tightening system of fig. 1 retain the same reference numerals as those used for the components of the tightening system 1 described above and are described with reference thereto.

In particular, in the example of fig. 3, a tightening system 301 is shown, in which the channel or first channel 5 integrated with the substrate 3 is obtained directly on a constraint element 9, which constraint element 9 is a conical ring/triangular ring (bodkin ring) fastened to the substrate 3, for example by stitching or gluing, and comprises holes or through openings.

According to the invention, tightening system 301 further comprises a fastening mechanism 311 for fastening lace end portion 7 to substrate 3.

According to the example of fig. 3, the fastening mechanism takes the form of a hook associated with the substrate 3, which locks the lace end portion 7 by hooking onto the lace 2. As an alternative to hooks, the fastening mechanism may be selected from the group comprising: a tether column coupled to the substrate, a buckle coupled to the substrate, loops and hooks coupled to the lace end portion and the substrate, respectively (or vice versa), a pair of so-called hook and loop elements, of which one is coupled to the substrate and the other is coupled to the lace end portion, or a pair of magnetically interactive elements.

Furthermore, it should be noted that as long as the fastening mechanism comprises a pair of mutually interacting elements, such as loops and hooks or a pair of so-called hook and loop elements or magnetically interacting elements as described above, one element of the pair is bonded to the substrate (as described above), while the other element of the pair can be bonded to the lace end portion by an attachment of the aforementioned type (as long as present), which attachment is not shown in the example of fig. 3.

Also shown in the example of fig. 3 are the lace locking elements 4 and the exposed surface 6 of the substrate 3 with corresponding buttons 8.

Referring to fig. 4, an embodiment variant of the invention is shown in which components corresponding in structure and/or function to those of the tightening system of fig. 1 retain the same reference numerals as those used for the components of the tightening system 1 described above and are described with reference thereto.

In particular, in the example of fig. 4, a tightening system 401 is shown comprising two first channels 5, both integrated with the substrate 3 and crossed by the tie 2.

In this regard, it should be said that, according to the invention, the tightening system 401 comprises a constraint element 9 constrained to the substrate 3, the constraint element 9 having a portion visible on the exposed surface 6 of the substrate 3, the visible portion defining, together with the substrate 3 itself, said two first channels 5.

In detail, in this case the constraint element 9 is an eyelet formation, possibly elastic, constituted by a band or strip, comprising end portions fastened to the substrate 3, for example by gluing or stitching, and a central portion 9d comprised between said end portions and also fastened at its central portion to the substrate 3, for example by gluing or stitching, thus forming two circumferential sections of loops, which together with the substrate 3 form two first channels 5, within which the tie 2 passes, each of the two first channels 5 having a tie section.

In fact, the lace 2 passes through the first channel 5 by passing under the constraint element 9.

In order to better define the two first channels 5, the constraint element 9 has, in addition to a central portion 9d fastened to the substrate 3, two intermediate portions fastened to the substrate 3, which are substantially symmetrical with respect to the central portion 9d, each intermediate portion being denoted by 9 e.

Alternatively and similarly to the above, the constraint element may be an eyelet formation formed by a wire-like element, possibly resembling a closed loop, or an eyelet formation formed by a closed loop strip, which passes through the substrate, thereby being fastened to the substrate.

Also shown in the example of fig. 4 are the lace locking element 4 with the corresponding button 8, the end portion 7 of the lace that extends beyond the first channel 5, and the attachment 10 that is joined with the lace end portion 7.

Referring to fig. 5, an embodiment variant of the invention is shown in which components corresponding in structure and/or function to those of the tightening system of fig. 1 retain the same reference numerals as those used for the components of the tightening system 1 described above and are described with reference thereto.

In particular, in the example of fig. 5, a tightening system 501 is shown comprising two first channels 5, both integrated with the substrate 3 and crossed by the tie 2.

In this regard, it should be said that, according to the invention, the tightening system 501 comprises a constraint element 9 constrained to the substrate 3, the constraint element 9 having a portion visible on the exposed surface 6 of the substrate 3, the visible portion defining, together with the substrate 3 itself, the two first channels 5.

In detail, the constraint element 9 is in this case a belt having a longitudinal edge fastened to the substrate, for example by gluing or stitching, so as to form two circumferential sections of loops which, together with the substrate, form two first channels in which the lacing passes, one lacing section passing through each of the two first channels. The bonding of the longitudinal edges of the constraining element 9 for producing the two circumferential sections to the substrate 3 is therefore discontinuous.

In fact, also in this case, the lace 2 passes through the first channel 5 by passing under the constraint element 9.

In order to better define the two first channels 5, the constraint element 9 is also fastened to the substrate 3 at a central portion 9d and at two intermediate portions substantially symmetrical with respect to the central portion 9d, each intermediate portion being denoted by 9 e.

In this case, the first channel 5 extends along an axis substantially coplanar with the main extension direction of the constraint element 9. In other words, the first channel 5 is crossed by the tie 2 along an axis substantially parallel to the surface of the constraint element 9. This embodiment is advantageous in that the first channel 5 is obtained without perforating the constraining element 9, and therefore without risking to destroy it, damage it or affect its duration by locally changing its structure.

Also shown in the example of fig. 5 are the lace locking element 4 with the corresponding button 8 and the end portion 7 of the lace that extends beyond the first channel 5.

In detail, with respect to the lace end portion 7, it should be said that in this case according to the invention it comprises two lace sections that are not adjacent to each other, i.e. not adjacent to each other, each lace section being denoted by 7 a.

According to the example of fig. 5, in the case of a tie unlike a closed loop, the two tie sections 7a, which in fact correspond to the free ends of the tie, have respective expansions 7b, which are advantageously realized by knots of the respective ends, so as not to be able to pass through the respective first channels 5.

Referring to fig. 6, an embodiment variant of the invention is shown in which components corresponding in structure and/or function to those of the tightening system of fig. 1 retain the same reference numerals as those used for the components of the tightening system 1 described above and are described with reference thereto.

In particular, in the example of fig. 6, a tightening system 601 is shown in which, for example by stitching or gluing, two first channels 5 integrated with the substrate 3 are obtained directly on the constraint element 9 constrained to the substrate 3, comprising two through openings engaged by the tie 2.

In this case, the constraint element 9 is a strap which is joined to the substrate 3 at its exposed surface 6, wherein said two openings are penetrated by the tie strap 2 along an axis locally perpendicular to the main extension surface of the strap (i.e. the main extension surface of the constraint element 9).

Also shown in the example of fig. 6 are the lace locking element 4 with the corresponding button 8, the end portion 7 of the lace that extends beyond the first channel 5, and the attachment 10 that is joined with the lace end portion 7.

Referring to fig. 7, an embodiment variant of the invention is shown in which components structurally and/or functionally corresponding to the components of the tightening system of fig. 1 retain the same reference numerals as those used for the components of the tightening system 1 described above and are described with reference thereto.

In particular, in the example of fig. 7, a tightening system 701 is shown, comprising a first channel 5 integrated with the substrate 3 and crossed by the tie 2.

In detail, it should be said that, in order to realise said first channels 5, the tightening system 701 comprises two constraint elements 9 constrained to the substrate 3, each constraint element 9 having a portion visible on the exposed surface 6 of the substrate 3, which visible portion defines, with the substrate 3, the respective first channel, or two respective first channels 5, depending on how the tie is arranged with respect to the two constraint elements 9, as shown in the example of fig. 7.

In fact, according to the example of fig. 7, the two constraint elements 9 are formed by two linear elements, possibly elastic and crossed between them, so as to form two eyelets under which the lace 2 can pass in different ways.

In detail, according to the example of fig. 7, the lace 2 passes, in its extension, from below and above the same thread-like element, or vice versa, or better, alternately, below one constraint element 9, above the other constraint element 9, above the one constraint element 9 and below the other constraint element 9, so that the lace remains constrained, in use, to the constraint element 9 itself. In this case, the lace passes through the two first channels 5, as described above.

Alternatively, the lace may always pass under the restraining element along its extension, in this case through four first channels, which embodiment is not shown in the figures.

In any case, also as previously mentioned, each first channel 5 is formed by the constraint element 9 and the substrate 3.

Furthermore, according to the example of fig. 7, it should be said that, for fastening to the substrate 3, the constraint elements 9 pass through the substrate 3 in respective holes 3a provided on the substrate 3, since they may resemble a closed loop or they may have ends with dimensions greater than those of the holes 3 a.

Also shown in the example of fig. 7 are the lace locking element 4 with the corresponding button 8, the end portion 7 of the lace that extends beyond the first channel 5, and in this case an attachment 10 having a size that allows it to pass through the first channel 5.

Referring to fig. 8, an embodiment variant of the invention is shown in which components structurally and/or functionally corresponding to the components of the tightening system of fig. 1 retain the same reference numerals as those used for the components of the tightening system 1 described above and are described with reference thereto.

In particular, in the example of fig. 8, a tightening system 801 is shown, which tightening system 801 comprises two first channels 5, which two first channels 5 are integrated with the substrate 3 and are obtained directly on the constraining element 9, which tightening system 801 is a kind of small plate constrained to the substrate 3, for example by stitching or gluing, and comprises two through openings or holes.

In detail, in this case, the constraint element 9 comprises two end portions, denoted by 9b and 9c respectively, symmetrical to each other with respect to the central portion, and preferably defining two respective preset angles, wherein a first channel 5, one of the two through openings, is obtained on the end portion 9b close to the lace locking element 4, while the other first channel 5 is obtained on the other end portion 9b remote from the lace locking element 4.

Similar to what has been described above, the first channel 5 is in this case also penetrated by the lacing 2 along an axis which is locally perpendicular to the extension surface of the restraint element 9 at the through opening.

This solution provides further embodiments which increase the freedom of design of the shoe or the clothing article or the accessory provided with the tightening system.

A lace locking element 4 according to an embodiment variant thereof is also shown in the example of fig. 8. In particular, in this case, the lace locking element 4 is constituted by a strip made of leather, fabric or synthetic material, for example, which is folded on itself and joined centrally, so as to form two tubular channels for the lace 2. In this case, once the lace 2 is in tension, for example when the present tightening system is part of a shoe worn by a user, the lace-up element 4 can conveniently lock the lace 2 due to friction generated between the lace-up element 4 and the lace 2. In order to generate a friction force sufficient to lock the lace 2 or in any case to increase such a force, it is sufficient that the surface of the lace locking element 4 facing the lace 2 is made of rubber material or is coated with rubber varnish, for example. The embodiment of the lace locking element 4 shown in the example of fig. 8 increases the freedom of design and constitutes a particularly economical solution.

Furthermore, according to the example of fig. 8, it should be said that, in addition to the two intermediate length sections 2a arranged between the lace locking element 4 and the first channel 5 (in this case the first channel 5 close to the lace locking element 4), the lace 2 comprises two further visible length sections denoted by 2b, which can be defined as second intermediate length sections, as in the example of fig. 1, the lace also comprises a lace end portion 7.

In particular, the second intermediate length 2b is comprised between the two first channels 5 and thus extends between the two said through openings of the constraint element 9.

This solution is advantageous because it reduces the length of the lace 2 contained between the lace locking element 4 and the constraint element 9, thus in fact reducing the length of the intermediate length segment 2 a: in this way the likelihood that the lace 2 may become stuck by external objects is reduced.

In the example of fig. 8, tightening system 801 also shows attachment 10 in combination with lace end portion 7 and exposed surface 6 of substrate 3, attachment 10 being sized to not pass completely through the opening of restraining element 9.

Referring to fig. 9, an embodiment variant of the invention is shown in which components structurally and/or functionally corresponding to the components of the tightening system of fig. 1 retain the same reference numerals as those used for the components of the tightening system 1 described above and are described with reference thereto.

In particular, in the example of fig. 9, a tightening system 901 is shown, which tightening system 901 comprises four first channels 5, which are integrated with the substrate 3 and obtained directly on the constraining element 9, which tightening system 901 is a kind of small plate constrained to the substrate 3, for example by stitching or gluing, and comprises four through openings or holes.

In addition to the example of fig. 1 described above, in the case of tightening system 901 reference can be made to the example of fig. 8 described above and to the description thereof, except that the number of first channels 5 provided on the constraint element 9 and in this case the lace locking element 4 and thus the push button 8 are provided similarly to those described in the example of fig. 1, the constraint element 9 of tightening system 901 as a whole is similar to the constraint element 9 of tightening system 801.

In particular, with respect to the first channels 5, it should be said that each first channel 5 of the restriction element 9 of the tightening system 801 is divided into two first channels 5 within the restriction element 9 of the tightening system 901, wherein the first channels further transform from an elongated slit into a substantially circular hole. Accordingly, those described above for tightening system 801 are also valid for tightening system 901, considering that end portion 9b and central portion 9c of restraining element 9, strap 2 having intermediate length section 2a and second intermediate length section 2b, exposed surface 6 of substrate 3, strap end portion 7 and attachment 10 are also shown in the example of fig. 9.

Referring to fig. 10, an embodiment variant of the invention is shown in which components structurally and/or functionally corresponding to the components of the tightening system of fig. 1 retain the same reference numerals as those used for the components of the tightening system 1 described above and are described with reference thereto.

In particular, in the example of fig. 10, a tightening system 1010 is described, which tightening system 1010 comprises two first channels 5, which two first channels 5 are integrated with the substrate 3 and are obtained directly on the substrate 3, inside which first channels 5 the lace 2 passes.

In this case, the substrate 3 comprises, in addition to the two through openings provided with two first channels 5 corresponding to the lace end portions 7 of the laces 2 extending beyond it on the exposed surface 6 of the substrate 3, two further through openings, each indicated by 3b, which are also crossed by the laces 2.

Indeed, according to the example of fig. 10, the lace portion downstream of lace locking element 4 extends partially inside substrate 3.

In particular, the tie 2 passes in its extension from the exposed surface 6 to the inner surface of the substrate 3 through one through opening 3b, then passes again through one of the two first channels 5 onto the exposed surface 6, then passes again through the other of the two first channels 5 onto the inner surface of the substrate 3, and finally returns to be visible on the exposed surface 6 by passing inside the second through opening 3 b.

According to the invention, as shown in the example of fig. 10, the tightening system further comprises a second channel 25 and a third channel 35, both of which are integrated with the substrate 3 and which are provided on the opposite side of the first channel 5 with respect to the lace locking element 4, through which the lace 2 passes.

This solution is advantageous because it allows to guide the lace 2 in an optimal direction into the lace locking element 4.

The direction of optimization is a direction that allows to reduce the tension component perpendicular to the main extension direction of the intermediate length 2a and of the lace end portion 7, as will become more clear hereinafter.

According to the example of fig. 10, the second channel 25 and the third channel 35 are obtained directly on the substrate 3 as the first channel 5, so that the substrate 3 has two corresponding through openings.

Thus, similar to the above, the lace 2 also extends partially on one side of the inner surface 6 of the substrate 3 upstream of the lace locking element 4.

In particular, in order to pass the tie 2 through the second channel 25 and the third channel 35, the substrate 3 comprises two further through openings, each indicated by 3c, and also through by the tie 2.

The tie 2 thus reaches the inner surface side of the substrate 3 from the exposed surface 6 through one through opening 3c, then reaches the exposed surface 6 again through the second channel 25, then reaches the tie locking element 4 upstream of the tie locking element 4 (and in this case the tie 2 has a so-called break-off extension upstream of the tie locking element 4), thus passes through the first channel 5 and through opening 3b as described above, thus passes from the exposed surface 6 to the inner surface side of the substrate 3 through the third channel 35 and finally returns to being visible on the exposed surface 6 by passing within the other through opening 3 c.

Tightening system 1010 also shows button 8 and attachment 10 of lace locking element 4.

Referring to fig. 11, an embodiment variant of the invention is shown in which components structurally and/or functionally corresponding to components of the tightening system of fig. 1 and of the tightening system of fig. 10 retain the same reference numerals as those used for the above-described tightening system 1 and 1010 and are described with reference thereto.

In particular, in the example of fig. 11, a tightening system 1011 is shown, which tightening system 1011 comprises two first channels 5 integrated with the substrate 3 and penetrated by the tie 2 and obtained directly on the constraint element 9, wherein the constraint element 9 is a small plate constrained to the substrate 3, for example by stitching or gluing, and comprises two through openings or holes.

In detail, it should be noted that in this case the constraint element 9 is entirely similar to the constraint element 9 of the tightening system shown in the example of fig. 2, except that it comprises two first channels 5 shaped like substantially circular holes, instead of first channels shaped like elongated slits.

Thus, in this case, reference may be made to the example of fig. 2 in addition to the examples of fig. 1 and 10 described above, with respect to the first channel 5 and the restriction element 9.

Tightening system 1011 also includes a second channel 25 and a third channel 35 integrated with substrate 3 and traversed by lace 2.

As far as the second channel 25 and the third channel 35 are concerned, it should be said that, according to the example of fig. 11, the present tightening system comprises an orienting element 90 constrained to the substrate 3, the orienting element 90 having a portion visible on the exposed surface 6 of the substrate 3, which visible portion defines, together with the substrate 3 itself, the second channel 25 and the third channel 35.

In particular, in this case, the orientation element 90 is a double eyelet formation, possibly elastic, and constituted by a shaped band or strip fixed to the substrate 3, for example by gluing or stitching, and comprising two portions facing each other, each indicated by 90a, and through which the tie 2 passes.

As mentioned above, the second and third channels are advantageous in that they allow the lace 2 to be guided into the lace locking element 4 in an optimized direction, in which case the lace locking element 4 is shown with a push button 8.

In particular, the direction of optimization is a direction that allows to reduce the tension component perpendicular to the main extension direction of the intermediate length section 2a and the lace end portion 7, which is denoted here by L.

In detail, the optimized direction is defined by an angle θ in the range of 45 ° to 90 °, more preferably in the range of 60 ° to 90 °, still more preferably in the range of 75 ° to 90 °, wherein the angle θ is the angle comprised between a line along the centerline of the lace locking element 4 perpendicular to the direction L and a half-line connecting the centerline/center point to the second channel 25 or the third channel 35.

Tightening system 1011 also shows attachment 10.

Referring to fig. 12-17, various embodiment variations of the present invention are shown wherein components structurally and/or functionally corresponding to components of the tightening system of fig. 1, 10, and 11 retain the same reference numerals as those used for the tightening systems 1, 1010, and 1011 described above and described with reference thereto.

In particular, the tightening systems represented by 1012, 1013, 1014, 1015, 1016 and 1017 respectively in figures 12, 13, 14, 15, 16 and 17 are similar in that they each comprise a second channel 25, a third channel 35 and two first channels 5.

Furthermore, the tightening systems 1012, 1013, 1014, 1015, 1016 and 1017 are similar in that the two first channels 5 are obtained from two constraint elements 9 that are separate from each other and are substantially identical and symmetrical to each other, while the second channel 25 and the third channel 25 are obtained from two orientation elements 90 that are separate from each other and are substantially identical and symmetrical to each other.

Furthermore, tightening systems 1012, 1013, 1014, 1015, 1016, and 1017 are similar in that restraining element 9 and orientation element 90 are formed in substantially the same manner.

Furthermore, in the example of fig. 12-17, respective tightening systems are shown, each having a lace locking element 4 provided with a button 8, a lace end portion 7 comprising a single lace section, and an attachment 10.

Briefly, in the example of fig. 12, the constraining element 9 and the orienting element 90 constrained to the substrate 3 each comprise a visible portion arranged on the exposed surface 6 of the substrate 3 and provided with a through opening for the tie 2 to pass through.

In this case, the visible portion is constituted by a band folded onto itself at its end portions 9f and 90f, which defines the through opening, wherein the band is fastened to the substrate 3 by stitching or gluing.

In this case, the through opening defining the first channel 5 extends along an axis substantially coplanar with the main extension direction of the constraint element 9. In other words, the first channel 5 is crossed by the tie 2 along an axis substantially parallel to the surface of the constraint element 9. This embodiment is advantageous in that the first channel 5 is obtained on the constraint element 9 without piercing it, and therefore without risking to destroy it, damage it or affect its duration by locally changing its structure. This embodiment also provides a variant which differs significantly from the above-described embodiments from an aesthetic point of view.

Briefly, in the example of fig. 13, the constraining element 9 and the orienting element 90 constrained to the substrate 3 each comprise folded visible portions arranged on the exposed surface 6 of the substrate 3 and defining a first, second or third channel for the tie 2 to pass through.

The visible portion is constituted by a tape bonded to the substrate 3 by gluing or stitching and is folded substantially in an intermediate portion defining the channel in the folded portions 9g and 90 g.

Briefly, in the example of fig. 14, the constraining element 9 and the orienting element 90 constrained to the substrate 3 each comprise a visible portion arranged on the exposed surface 6 of the substrate 3, which defines, together with the substrate 3 or by folding, a first, a second or a third channel for the tie 2 to pass through.

The visible portion is constituted by a thread-like element, for example an eyelet formation made of rope, leather, synthetic material or metallic material, which may be elastic and may resemble a closed loop, which in this case passes through the substrate 3, thereby being fastened to the substrate 3.

Similarly, the thread-like elements may be replaced by laces, strings, etc.

Briefly, in the example of fig. 15, the constraining element 9 and the orienting element 90 constrained to the substrate 3 each comprise a visible portion fastened to the exposed surface 6 of the substrate 3, provided with a through opening defining a first, a second or a third channel for the tie 2 to pass through.

The visible portion is constituted by a belt or strip made of rope, leather, synthetic material or metallic material and is fastened to the substrate 3, for example by gluing or stitching.

Briefly, in the example of fig. 16, the constraining element 9 and the orienting element 90 constrained to the substrate 3 each comprise a visible portion arranged on the exposed surface 6 of the substrate 3 and a perforated element associated with the visible portion, defining a first, a second or a third channel for the tie 2 to pass through.

In this case, the visible portion is constituted by a band fastened to the substrate 3, for example by stitching or gluing, and the perforating element is constituted by a conical/triangular/botkin ring.

Briefly, in the example of fig. 17, the constraining element 9 and the orienting element 90 constrained to the substrate 3 each comprise a visible portion arranged on the exposed surface 6 of the substrate 3 and provided with a through opening defining a first, a second or a third channel for the tie 2 to pass through.

In this case, the visible portion is constituted by a so-called D-ring element, for example made of a polymeric material which is generally more economical than the eyelet formation and which is fastened to the substrate 3, for example by gluing or stitching.

Fig. 18 shows a shoe 180 according to the present invention.

In particular, according to the example of fig. 18, shoe 180 includes tightening system 1011 shown and described with reference to the example of fig. 11, but it should be understood that any tightening system according to the above may be provided.

Furthermore, it should be said that tightening system 1011 is placed on the tongue of shoe 180, which in this case corresponds to the lining 3 of tightening system 1011, however, the possibility of providing tightening system 1011 and, in general, the tightening system according to the invention in different parts of the shoe, such as the upper, is not excluded.

In the example of fig. 18, the lace 2, the restraining element 9, the orientation element 90, the lace locking element 4 and the lace end portion 7 are further clearly visible.

Fig. 19 shows a portion of an article of apparel in accordance with the present invention.

In detail, in the example of fig. 19, a hood 190, such as a jersey or jacket, is shown, comprising the tightening system 1011 shown and described with reference to the example of fig. 11, but it will be appreciated that any tightening system according to the above may also be provided, as the tightening system according to the invention may be part of any article of clothing or accessory.

According to the example of fig. 19, the hood 190, a part of which actually constitutes the substrate 3 of the tightening system 1011, comprises a tightening tie corresponding to the tie 2 of the tightening system 1011, in this case a so-called loop-shaped pull cord, the part of which that is not visible from the outside being indicated by a broken line.

In the example of fig. 19, the restraining element 9, the orientation element 90, the lace locking element 4 provided with the push button 8 and the lace end portion 7 are further clearly visible.

The solution of the example of fig. 19 is advantageous because it allows to shorten the loop-shaped pull cord portion, which would otherwise be free floating, and in particular to reduce the extension length of the lacing end portion 7, which, according to EN 14682 standard, must not exceed 150mm in the case of a child garment of 7 to 14 years old, when the hood is "pulled" or "tightened".

The advantages of the present invention, which are apparent from the above description, can be summarized by noting that a tightening system for shoes or articles of clothing or accessories is provided comprising a lace, the tension of which can be adjusted and the free portion of which is reduced after adjustment.

In addition to the significant design freedom that it allows, another advantage is the reliability and durability of the present tightening system.

Further advantages consist of the limited manufacturing costs that characterize the present tightening system and the possibility of implementing it using known techniques.

Numerous changes and modifications to the invention in the illustrated and described embodiments will occur to those skilled in the art in order to meet contingent and specific needs, all however, being encompassed within the scope of protection of the invention as defined by the following claims.

Claims (15)

1. A tightening system (1) of shoes or articles of clothing or accessories, the tightening system comprising:

a lacing (2);

a substrate (3) having an inner surface and an exposed surface (6) opposite the inner surface;

a lace locking element (4) for adjusting the tension of the lace (2), wherein the lace locking element is arranged at the exposed surface (6) of the substrate (3), wherein the lace (2) passes through the lace locking element (4) so as to define a lace portion downstream of the lace locking element (4) comprising two lace sections coming out of the lace locking element (4);

One or more first channels (5) integral with the substrate (3), wherein the strap portion downstream of the strap locking element (4) passes through the one or more first channels (5) defining a strap end portion (7) on one side of the exposed surface (6) extending beyond the one or more first channels (5), the strap end portion comprising one strap section or two strap sections discontinuous with each other.

2. The system according to claim 1, comprising a second channel (25) and a third channel (35) integrated with the substrate (3), the second and third channels being arranged on opposite parts of the one or more first channels (5) with respect to the lace locking element (4), wherein the lace (2) passes through the second channel (25) and the third channel (35).

3. The system according to claim 1 or 2, comprising at least one attachment (10) in combination with the lace end portion (7), wherein preferably the at least one attachment (10) has a size such that it cannot pass through the one or more first channels (5).

4. The system according to any one of the preceding claims, comprising a fastening mechanism (311) for fastening the lace end portion (7) to the substrate (3), wherein the fastening mechanism is selected from the group comprising: a hook coupled to the substrate; a tether column coupled to the substrate; a buckle coupled to the substrate; a loop coupled to the lace end portion and a hook coupled to the substrate, or a hook coupled to the lace end portion and a loop coupled to the substrate; one bonded to the substrate and the other bonded to the lace end portion, a pair of so-called hook and loop elements or a pair of magnetically interactive elements.

5. A system according to any preceding claim, comprising a signal transmission mechanism for indicating the tension of the lace, the signal transmission mechanism being selected from the group comprising: a notch disposed on the tie strap; a marking drawn, colored or applied to the tie; lace portions having different colors from each other; and combinations thereof.

6. The system according to any one of the preceding claims, wherein the lace locking element (4) is selected from the group comprising: a lace locking element provided with a button (8) for locking/releasing the lace; a resilient annular lacing locking element; a lace locking element is provided with two channels, wherein preferably the two channels have an inner surface of a high coefficient of friction material in contact with the lace.

7. The system according to any one of the preceding claims, wherein the lace portion downstream of the lace locking element extends partially on one side of the inner surface of the substrate (3), the substrate (3) being provided with at least one opening (3 b) for passing the lace (2) from the exposed surface (6) to the inner surface.

8. The system according to any one of the preceding claims, comprising at least one constraint element (9), said constraint element (9) being fixed to said substrate (3) and having at least one visible portion arranged on said exposed surface (6), said at least one visible portion defining said at least one or more first channels (5) with said substrate (3).

9. The system according to any one of claims 1-7, comprising at least one constraint element (9) fixed to the substrate (3) and having at least one visible portion arranged on the exposed surface (6), said at least one visible portion being provided with at least one opening defining the one or more first channels.

10. The system according to any one of claims 1-7, comprising at least one constraining element (9) fixed to the substrate (3) and having at least one visible portion arranged on the exposed surface, the visible portion being folded, possibly on itself, so as to define the one or more first channels (5).

11. The system according to any one of claims 1-7, comprising at least one constraining element (9) fixed to the substrate (3) and having at least one visible portion arranged on the exposed surface and a perforating element associated with the at least one visible portion, wherein the at least one perforating element defines the one or more first channels (5).

12. The system according to any one of claims 1-7, comprising at least one constraint element (9) fixed to the substrate (3) and having at least one visible portion arranged on the exposed surface, wherein the at least one constraint element is in the shape of a closed loop.

13. System according to any one of claims 2-12, wherein the substrate (3) is provided with at least one opening (3 c) for passing the tie from the exposed surface (6) to the inner surface.

14. The system according to any one of claims 2-12, comprising at least one orientation element (90) for guiding the lace (2), wherein the at least one orientation element (90) is fixed to the substrate (3) and has at least one visible portion arranged on the exposed surface (6),

wherein the at least one visible portion together with the substrate defines the second channel (25) and/or the third channel (35); or alternatively

Wherein the at least one visible portion is provided with at least one opening defining the second channel (25) or the third channel (35); or alternatively

Wherein said at least one visible portion is folded, possibly on itself, so as to define said second channel (25) or said third channel (35); or alternatively

Wherein the at least one constraining element (90) comprises a perforated element associated with the at least one visible portion, the perforated element defining the second channel (25) or the third channel (35).

15. System according to any one of the preceding claims, wherein the tie (4) is elastic and/or in the shape of a closed loop.