WO2020225221A1

WO2020225221A1 - Toe-bar sandal with detachable straps at the front of the foot

Info

Publication number: WO2020225221A1
Application number: PCT/EP2020/062338
Authority: WO
Inventors: Elisabeth TROTEL MARY
Original assignee: Kastine
Priority date: 2019-05-07
Filing date: 2020-05-04
Publication date: 2020-11-12
Also published as: FR3095740B1; FR3095740A1

Abstract

The invention relates to a toe-bar sandal comprising a sole, a toe-bar (105) secured to the sole and with a free end above the sole, V-shaped straps (152) of which the point of the V is attached removably to the free end of the toe-bar (105) and each branch of which is attached removably to the rear part, and a fastening system (700) which allows said point to be attached to the toe-bar (105) by a quarter-turn rotation in a first direction of rotation and allows said point to be released from the toe-bar (105) by a quarter-turn rotation in a second direction of rotation, in which the fastening system (700) comprises, at the level of the free end of the toe-bar (105), a bar (706) which is secured to the toe-bar (105) and raised up above the toe-bar (105), in which the fastening system (700) comprises, at the level of the point of the straps (152), an opening (710), in which in a first position, the bar (706) is free to pass through the opening (710), and in which, in a second position, the bar (706) is prevented from passing through the opening (710), and in which the transition from the first position to the second position consists in a rotation by quarter of a turn. Such a toe-bar sandal thus equipped with removable straps can easily be modified to suit the wishes and the needs of the user.

Description

DESCRIPTION

TITLE: TONG WITH DETACHABLE STRIPS AT THE FRONT

FOOT

TECHNICAL AREA

The present invention relates to a thong which has V-shaped straps whose toe is removably attached to the front of the sole.

STATE OF THE PRIOR ART

A thong of the state of the art conventionally comprises a sole and V-shaped straps, the tip of which is secured to a between-finger which has a plinth at its base.

The base is inserted into a hole in the sole to bear against a lower face of the sole while the finger grip extends above the sole. The sole hole is located at the front of the sole and the toe-toe is typically positioned between the big toe and the second, while the branches are attached to the sole on either side of the heel.

To improve the use of the thong, it is interesting to be able to exchange the straps in a simple way and without damaging the thong.

US-A-2011/05609 and EP-A-2,810,578 disclose prior art thongs. In each of these documents, the straps are attached to a finger grip by a fastening system. In none of these documents is the fixation done by a quarter turn. On the contrary, the constitution of each of the hooking systems prevents a quarter-turn rotation and the fitting is done using a buttonhole.

DISCLOSURE OF THE INVENTION

An object of the present invention is to provide a thong which has straps whose V-shaped tip is removably attached to the front of the foot.

For this purpose, a thong is offered comprising:

- a sole with a front part intended to support the toes of a foot and a rear part intended to support a heel of the foot,

- a finger grip, the base of which is integral with the front part of the sole and which has a free end above the sole, - V-shaped straps, the tip of which is removably attached at the level of G free end of G between-finger and each branch of which is removably attached at the rear part, and

- a hooking system which makes it possible to fix said point to G between the fingers by a rotation of a quarter of a turn in a first direction of rotation and to release said point from the between-finger by a rotation of a quarter turn in a second direction of rotation,

where the attachment system comprises at the free end of the between-finger, a bar (706, 906) which is secured to the between-finger and raised relative to the between-finger in order to leave a free space between the bar and the between-finger, where the fastening system also comprises at the point of the strips, a window, where in a first position of the window relative to the bar, the bar is free to pass through the window, and where in a second position of the window relative to the bar, the bar is prevented from passing through the window, and where the passage from the first position to the second position consists of a rotation of a quarter of tower.

Such a thong equipped with removable straps can be easily changed according to the desires and needs of the user. Additionally, in some embodiments, the thong has a removable comfort sole and the removal of the straps makes it easier to remove and change the comfort sole.

Advantageously, said sole consists of an outsole in contact with the ground and of an upper sole integral with the outsole and arranged above the outsole, the thong has a comfort sole. removable, the upper sole has a recess in which the comfort sole is housed, and the comfort sole has a hole for the passage of the between-fingers.

According to a particular embodiment, the hooking system also comprises a barrel integral with the strips and the bottom of which has a window which extends the window of the strips.

Advantageously, the hanging system comprises a cap which closes the barrel opposite the bottom.

According to a particular embodiment, the fastening system comprises a first fastening means integral with the straps and a locking element which comprises an opening which allows the passage of the bar and a second fastening means which is joined to the first means. fixing to fix the locking element on the straps.

Advantageously, each branch of the straps is fixed to the rear part by means of a lateral reinforcement intended to be positioned under a malleolus of the foot, to each lateral reinforcement, the thong comprises a base integral with said lateral reinforcement, where said base is horizontal and fixed between the outsole and the upper sole.

Advantageously, the base is common to the two lateral reinforcements.

Advantageously, there is one base per side brace and each extends towards the other base.

Advantageously, there is a base by lateral reinforcement, one of the bases is arranged at the rear relative to the other base, the two bases are in contact with each other along a zone of contact which extends transversely to the axis of the foot, and along the contact zone, each base has teeth which engage with the teeth of the other base.

BRIEF DESCRIPTION OF THE DRAWINGS

The characteristics of the invention mentioned above, as well as others, will emerge more clearly on reading the following description of an exemplary embodiment, said description being given in relation to the accompanying drawings, among which:

[Fig. 1] is a schematic side view of a thong according to the invention,

[Fig. 2] is a perspective view of a thong strap attachment system according to a first embodiment,

[Fig. 3] is a perspective view of a finger grip used in the attachment system of FIG. 2,

[Fig. 4] is a perspective view of a thong strap hooking system according to a second embodiment,

[Fig. 5] is a perspective view of a thong according to a first variant embodiment,

[Fig. 6] is a perspective view of a thong according to a second variant embodiment, and

[Fig. 7] is a perspective view of a thong according to a third variant embodiment.

DETAILED EXPOSURE OF EMBODIMENTS

In the following description, the terms relating to a position are taken with reference to a thong in the position of use, that is to say as it is shown in FIG. 1.

Fig. 1 shows a thong 100 which has a sole 103 with a front part on which the toes of the foot rests and a rear part on which the heel of the foot rests.

In the embodiment of the invention presented here, the sole 103 comprises an outsole 102 which comes into contact with the ground and an upper sole 104 which is integral with the outsole 102 and which is disposed at the- top of the outsole 102. The upper sole 104 can directly support the foot or a comfort sole 62 for example of the anatomical sole type which conforms to the foot and on which said foot is positioned. To adapt to the foot, the comfort sole 62 is preferably removable and can therefore be replaced or removed if necessary.

As shown in Figs. 5 to 7, the upper part of the upper sole 104 has a depression 60 in which the comfort sole 62 is housed, which ensures a minimum of maintenance of the comfort sole 62.

In Fig. 1, the depression 60 and the comfort sole 62 appear in dotted lines.

In the case of the presence of a removable comfort sole 62, this has a hole 63 which allows the passage of F between-fingers 105.

The thong 100 also includes a finger grip 105 whose base is integral with the front part of the sole 103 and which has a free end above the sole 103. Conventionally, the finger grip 105 is arranged between the large one. toe and secundus.

The thong 100 also includes V-shaped straps 152, the tip of which is removably fixed at the free end of the crotch 105 and each branch of which is removably fixed at the rear part of both sides. other side of the heel of the foot.

The attachment between the point and the between-finger 105 is effected by means of a hooking system which makes it possible to fix said point to the between-finger 105 by a rotation of a quarter of a turn in a first direction of rotation. and releasing said tip from the finger space 105 by a rotation of a quarter turn in a second direction of rotation opposite to the first direction of rotation.

Figs. 2 to 4 show an attachment system 700, 900 from the V-shaped tip of the thongs 152 of the thong 100 to the crotch 105.

In the embodiments of Figs. 2 to 4, the crotch 105 has a base 107 at its base. In this embodiment, the crotch 105 passes through a bore of the sole 103 so as to bring the base 107 against the underside of the sole 103.

In the embodiments of Figs. 2 to 4, the attachment system 700, 900 comprises at the level of the free end of the between-finger 105, a bar 706, 906 which is integral with the between-finger 105 and raised relative to the between-finger 105 in order to leave a free space between the bar 706, 906 and the crotch 105. Here, the bar 706, 906 is fixed to the crotch 105 by a stud and the bar 706, 906 overflows relative to this stud in order to form hooks.

The fastening system 700, 900 also comprises at the level of the tip of the strips 152, a window 710, 910 adapted to the dimensions of the bar 706, 906, that is to say that according to a first position of the window 710 , 910 relative to the bar 706, 906, the bar 706, 906 is free to pass through the window 710, 910, and according to a second position of the window 710, 910 with respect to the bar 706, 906, the bar 706, 906 is prevented from passing through the window 710, 910. The passage from the first position to the second position consists of a rotation of a quarter of a turn around an axis generally vertical in one direction or the other and here the two positions are perpendicular to each other.

The fact that the branches of the straps 152 are removable facilitates rotation at the level of G between-fingers 105.

The tip of the straps 152 is then positioned in the free space between the bar 706, 906 and G between finger 105 to be held.

The hooking system 700, 900 is therefore relatively simple and easy to produce and allows easy replacement of the straps 152. In addition, in the case of a removable comfort sole 62, the latter can be easily removed and replaced.

The establishment of the strips 152 consists in placing the window 710, 910 according to the first position, that is to say parallel to the bar 706, 906, in introducing the bar 706, 906 in the window 710, 910, then in pivoting the strips 152 by a quarter of a turn so as to place the window 710, 910 in the second position, that is to say perpendicular to the bar 706, 906 to lock the bar 706, 906 with respect to the contours of window 710, 910.

In the embodiment of FIG. 2 and FIG. 3, the attachment system 700 also includes a barrel 708 which is integral with the strips 152 and the bottom of which also has a window which extends the window 710 of the strips 152.

In this case, the strips 152 and the bottom of the barrel 708 fit in the free space between the bar 706 and the crotch 105.

In order to hide the bar 706, the hooking system 700 here comprises a cap 712 which closes the barrel 708 opposite the bottom.

In the embodiment of FIG. 4, and in order to best hold the strips 152 in place, the hooking system 900 comprises a first fixing means 916 integral with the strips 152 and a locking element 912 which has an opening 914 which allows the passage of the bar 906 and a second fastening means 918 which integrates with the first fastening means 916 to fix the locking element 912 on the straps 152.

When the first fixing means 916 and the second fixing means 918 are fixed to each other, the locking element 912 is positioned in the free space between the straps 152 and the bar 906. To do this, the locking element 912 is moved back to come under the bar 906.

The first fixing means 916 and the second fixing means 918 take for example the form of a male part and a female part of a press stud. In the case of a sole 103 comprising the outsole 102 and the upper sole 104, the bore passing through the sole 103 consists of a bore 402 of the outsole 102 and a bore 404 of the upper sole 104, and the base 107 bears against the lower face of the outsole 102.

In the embodiment of the invention presented here, the branches are fixed to the rear part by means of lateral reinforcements 150 which will be described below, but in another embodiment, it is possible to provide that the branches are attached directly to the sole 103.

The removable attachment of the straps 152 to the sole 103 or to the lateral reinforcements 150 can take different forms such as, for example, press studs.

On either side of the rear part, the thong 100 has a side brace 150, only one of which is seen in FIG. 1 and which takes the form of a wall extending in a vertical plane and parallel to the axis of the foot. Each lateral reinforcement 150 is positioned under the malleolus 50 of the foot.

Figs. 5 to 7 show different types of side reinforcements with a left side brace 450a, 550a, 650a and a right side brace 450b, 550b, 650b. For these different embodiments, the sole 103 has an outsole 102 and an upper sole 104 integral with the outsole 102.

Each lateral reinforcement 450a-b, 550a-b, 650a-b is integral with a base 452, 552a-b, 652ab which takes the form of a horizontal wall and which is fixed between the outsole 102 and the upper sole 104 by presenting itself under the heel of the foot.

In another embodiment not shown, it is possible to provide that each base 452, 552a-b, 652a-b is fixed above the upper sole 104.

The side reinforcement 450a-b, 550a-b, 650a-b and its base 452, 552a-b, 652a-b are rigid and made for example of plastic or metal and the side reinforcement 450a-b, 550a-b, 650a -b does not deform when walking.

The presence of side reinforcements 450a-b, 550a-b, 650a-b allows heel support when walking and the fact that the bases 452, 552a-b, 652a-b are placed under the heel of the foot reinforces rigidity lateral reinforcements 450a-b, 550a-b, 650a-b due to the support of the foot on the bases.

In the embodiment of FIG. 5, the base 452 is common to the two lateral reinforcements 450a-b.

In the embodiment of FIG. 6, there is one base 552a-b by side brace 550a-b and each one extends to the other base 552a-b. In the embodiment of the invention presented in FIG. 6, each base 552a-b extends generally half the width of the shoe open 100 to join the other base 552a-b, but a different length of the bases is possible.

In the embodiment of FIG. 7, there is a base 652a-b by side reinforcement 650a-b. One of the bases 652a is disposed at the rear relative to the other base 652b and the two bases 652a-b are in contact with each other along a contact zone which extends transversely. relative to the axis of the foot. Along the contact area, each base 652ab has teeth. Thus, the teeth of one base 652a engage with the teeth of the other base 652b when the side braces 650a-b are in place.

Claims

1) Tong (100) comprising:

- a sole (103) with a front part intended to support the toes of a foot and a rear part intended to support a heel of the foot,

- a between-finger (105) whose base is integral with the front part of the sole (103) and which has a free end above the sole (103),

- V-shaped straps (152), the tip of which is removably fixed at the free end of G between the fingers (105) and each branch of which is removably fixed at the rear part, and

- a hooking system (700, 900) which allows said point to be fixed to the between-finger (105) by a rotation of a quarter of a turn in a first direction of rotation and to release said point from the between - finger (105) by a rotation of a quarter of a turn in a second direction of rotation,

where the fastening system (700, 900) comprises at the level of the free end of the finger (105), a bar (706, 906) which is integral with the finger (105) and raised relative to the between-finger (105) in order to leave a free space between the bar (706, 906) and the between-finger (105), where the hooking system (700, 900) also comprises at the level from the tip of the strips (152), a window (710, 910), where in a first position of the window (710, 910) relative to the bar (706, 906), the bar (706, 906) is free to pass through the window (710, 910), and where in a second position of the window (710, 910) relative to the bar (706, 906), the bar (706, 906) is prevented from passing through the window (710 , 910), and where the passage from the first position to the second position consists of a rotation of a quarter turn.

2) Tong (100) according to claim 1, characterized in that said sole (103) consists of an outsole (102) in contact with the ground and an upper sole (104) integral with the sole wear (102) and disposed above the outsole (102), in that the thong (100) has a removable comfort sole (62), in that the upper sole (104) has a depression (60) in which the comfort sole (62) is housed, and in that the comfort sole (62) has a hole (63) for the passage of the finger (105). 3) Tong (100) according to one of claims 1 or 2, characterized in that the hooking system (700) also comprises a shaft (708) integral with the straps (152) and the bottom has a window which extends the window (710) of the strips (152).

4) Tong (100) according to claim 3, characterized in that the hooking system (700) comprises a cap (712) which closes the barrel (708) opposite the bottom.

5) Tong (100) according to one of claims 1 or 2, characterized in that the hooking system (900) comprises a first fixing means (916) integral with the straps (152) and a locking element (912 ) which comprises an opening (914) which allows the passage of the bar (906) and a second fixing means (918) which integrates with the first fixing means (916) to fix the locking element (912) on the straps (152).

6) Tong (100) according to one of claims 3 to 5 and of claim 2, characterized in that each branch of the straps (152) is fixed to the rear part by means of a lateral reinforcement (150) intended to be positioned under a malleolus (50) of the foot, in that for each lateral reinforcement (450a-b, 550a-b, 650a-b), the thong (100) has a base (452, 552a-b, 652a -b) integral with said lateral reinforcement (450a-b, 550a-b, 650a-b), where said base (452, 552a-b, 652a-b) is horizontal and fixed between the outsole (102) and the upper sole (104).

7) Tong (100) according to claim 6, characterized in that the base (452) is common to the two lateral reinforcements (450a-b).

8) Tong (100) according to claim 6, characterized in that there is a base (552a-b) by lateral reinforcement (550a-b) and in that each extends towards the other base (552a- b).

9) Tong (100) according to claim 6, characterized in that there is a base (652a-b) by lateral reinforcement (650a-b), in that one of the bases (652a) is arranged at the 'rear relative to the other base (652b), in that the two bases (652a-b) are in contact with each other along a contact zone which extends transversely to Tax of the foot, and in that along the contact area each base (652a-b) has teeth which engage with the teeth of the other base (652b -a).