EP0471955B1 - Chaussure de sport à collier articulé - Google Patents
Chaussure de sport à collier articulé Download PDFInfo
- Publication number
- EP0471955B1 EP0471955B1 EP91110856A EP91110856A EP0471955B1 EP 0471955 B1 EP0471955 B1 EP 0471955B1 EP 91110856 A EP91110856 A EP 91110856A EP 91110856 A EP91110856 A EP 91110856A EP 0471955 B1 EP0471955 B1 EP 0471955B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- collar
- ring
- stiffener
- axis
- sports boot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004873 anchoring Methods 0.000 claims abstract description 24
- 239000003351 stiffener Substances 0.000 claims abstract 18
- 238000007373 indentation Methods 0.000 claims description 21
- 238000012423 maintenance Methods 0.000 claims 4
- 230000014759 maintenance of location Effects 0.000 claims 1
- 210000002683 foot Anatomy 0.000 abstract description 34
- 210000003423 ankle Anatomy 0.000 abstract description 3
- 210000002303 tibia Anatomy 0.000 description 12
- 210000002414 leg Anatomy 0.000 description 11
- 241001227561 Valgus Species 0.000 description 4
- 241000469816 Varus Species 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 230000002747 voluntary effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
- A43C11/00—Other fastenings specially adapted for shoes
- A43C11/12—Slide or glide fastenings
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/04—Ski or like boots
- A43B5/0411—Ski or like boots for cross-country
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/04—Ski or like boots
- A43B5/0427—Ski or like boots characterised by type or construction details
- A43B5/0466—Adjustment of the side inclination of the boot leg; Canting
Definitions
- the present invention relates to a sports shoe consisting of a sole, a rod mounted on this sole, a rigid buttress reinforcing the rod in the heel area, and a rigid collar encircling the ankle, and articulated on the buttress along a hinge axis substantially transverse to the longitudinal axis of the shoe.
- the articulated collar has the advantage, due to its rigid material, of increasing the lateral rigidity of the rod, therefore of maintaining the tibia in transverse direction, while allowing a rotation of the leg along an axis transverse to the axis longitudinal of the shoe.
- This shoe is therefore advantageous when hiking or, in the case of a cross-country ski boot, when skiing, and particularly when skating.
- Such a shoe has a transverse rigidity which does not allow the shoe to adapt to the morphology of the user.
- This is particularly disadvantageous for users with varus or valgus feet.
- These users have the axis of the tibia inclined towards the inside of the foot, or towards the outside thereof, relative to the vertical median plane of the foot.
- they close the collar around their tibia thanks to a system for closing this collar. Consequently, the axis of the tibia coincides with the axis of the rigid collar.
- the sole of the boot, and therefore the sole of the ski in the case of cross-country skiing, which are perpendicular to the axis of the collar, are no longer parallel to the ground, and are therefore no longer in contact with it, but inclined relative to it.
- the sole of the user's foot does not uniformly come into contact with the internal sole of the shoe. The pressure distribution on the sole of the foot is therefore not natural, which affects the comfort of the user, as well as the control of the boot or the ski.
- an alpine ski boot with a rigid plastic shell consisting of a lower part, called the shell base, and an upper part comprising at the rear a so-called rear cuff which can pivot backwards to allow the opening of the shoe and the positioning of the foot.
- such a shoe constitutes a rigid assembly which must provide mechanical transmission between the leg and the ski to which the boot is fixed both at the front and at the rear, and offering all at most a possibility of limited forward bending of the upper part relative to the shell base by elastic deformation of the material constituting this upper part.
- such a shoe does not offer any possibility of continuous rotation of its upper part relative to the shell base, both forwards and backwards, during the practice of the sport, and therefore does not allow a continuous flexion of the leg relative to the foot as is necessary in cross-country skiing or walking.
- CH 529 526 also relates to an alpine ski boot with rigid shell and articulated cuff capable of a limited pivoting movement towards the front against resistant means opposing such a rotation and constituted by a jack. .
- Such a shoe also does not allow continuous forward and backward flexion of the foot relative to the leg during sport.
- the object of the present invention is to remedy these drawbacks by proposing a sports shoe, in particular for walking or cross-country skiing, which can adapt to the morphology of the user as regards varus or valgus feet.
- Another object of the invention is to provide a shoe of the aforementioned type whose collar, normally rigid laterally, can be flexible laterally so as to allow the pivoting of the leg relative to the upper, along a substantially longitudinal axis.
- This flexibility of the collar may be desirable when practicing the skater's step, the lateral rigidity is necessary to generate a support of the tibia on the shoe only on the internal side of the foot to accentuate the internal card taking, the external side of the collar being able to be flexible.
- the invention consists of a sports shoe of the walking or cross-country ski type consisting of a rod, a buttress extending at least vertically upwards on each side of the heel. , and a rigid collar articulated by its internal and external sides, located respectively on the internal and external side of the foot, to the buttress by two internal and external anchoring systems, located on each corresponding side of the foot, and allowing the rotation of the collar along an axis substantially transverse to the longitudinal axis of the shoe upper, so as to allow front, rear flexion continuously of the leg relative to the foot during the practice of sport, by the fact that at least one of the anchoring systems comprises means for continuously varying the relative position of the flank, corresponding to the collar, relative to the buttress in a substantially vertical direction during the practice of the sport.
- the side of the collar is therefore free in translation in a substantially vertical direction parallel to the axis of the collar, and allows angular movement of the collar in a plane transverse to the longitudinal axis of the shoe.
- the user thus has the possibility of reducing the transverse rigidity of his shoe, on the external side of the foot, or on the internal side of the foot, or on both sides simultaneously to better support the movement of the foot.
- This gives a certain flexibility of the collar which can be advantageous in particular when practicing the skater's step where the transverse support ensuring support of the leg is necessary mainly on the internal side of the leg, the external side not requiring support and can remain flexible transversely.
- This inclination transmitted by the voluntary inclination of the vertical median plane of the foot relative to the vertical median plane of the tibia, makes it possible to transmit the vertical forces to the internal edge, without "knee retraction".
- FIG. 1 represents a cross-country ski boot 1 consisting of a rod 2 covering the instep, and mounted on a sole 3.
- the rod 2 is reinforced in the heel area by a buttress 4.
- This buttress 4 extends vertically upwards into the area of the malleoli to advantageously protect them.
- a rigid collar 5 extends the rod 2 upwards to encircle the ankle and maintain it transversely.
- the outer sides 33a and inner 33b of the collar 5 are connected to the buttress 4 by an anchoring system 6b, on the external side of the foot, as well as on the internal side thereof by an anchoring system 6a, as shown in FIG. 2
- These two anchoring systems 6a, 6b allow the rotation of the collar 5 along an axis substantially transverse to the longitudinal axis of the boot 1, so as to accompany the skier's tibia in flexion during the practice of skiing.
- the collar 5 is made integral with the skier's tibia by clamping means 7 of the collar 5 which may consist, for example, of a flange / flange system as shown.
- the two anchoring systems 6a, 6b include means for varying the position of the sidewall 33a, 33b.
- FIG. 3 shows the constitution of these means of variation.
- the collar 33 of the collar 5 has an oblong groove 8 extending substantially along the axis of the collar 5, that is to say vertically in FIG. 3, and provided on its vertical faces with indentations 9 shown in FIG. 4.
- the buttress 4 has a projection constituting an axis 10 substantially transverse to the buttress 4 on which a ring is mounted for free rotation.
- This ring 11, of substantially square shape comprises, as shown in FIG. 4, two opposite and toothed faces 12 and two opposite and smooth faces 13.
- the teeth of the toothed faces 12 can engage in the indentations 9 of the groove 8 , while the distance between the smooth faces 13 is such that the ring 11 slides freely while being guided in translation in the groove 8.
- Means for transversely holding the flank 33 of the collar 5 on the buttress 4 are constituted by a screw support 14, shown in Figure 3, which is screwed into the buttress 4 which has a thread 15 which may be constituted, not shown, by a threaded insert of material more resistant than that of the buttress 4, to reduce wear of the buttress 4.
- the head of the retaining screw 14 constitutes a stop 16 preventing the flank 33 of the collar 5 from disengaging transversely from the buttress 4 (to the right in FIG. 3).
- the lining 34 protects the foot from the buttress 4.
- the retaining screw 14 is unscrewed using a screwdriver in the case shown.
- This screw 14 may also include a knurling on its periphery, not shown, so that it can be unscrewed without tools.
- the flank 33 of the collar 5 can be pulled to the right so that the indentations 9 are no longer meshed with the toothed faces 12 of the ring 11.
- the flank 33 can then be moved of the collar 5 vertically, and make it mesh with the toothed faces 12 of the ring 11 in a higher or lower position, by varying the distance ha, hb between the axis of rotation A of the collar 5 and the lower face 18 of the groove ( Figure 2).
- the retaining screw 14 is then screwed back so as to keep the collar 5 on the buttress 4 in the transverse direction. It will be noted that this embodiment advantageously makes it possible to have a collar 5 which can be detached from the buttress 4, and is therefore removable so as to transform the shoe 1 with a high upper into a shoe with a lower upper.
- a retaining screw 14 having a stroke greater than the thickness of the collar 5, to allow removal of the engagement of the indentations 9 on the toothed faces 12 without detaching the screw 14 from the buttress 4
- the retaining screw 14 thus constitutes a means of disengaging the anchoring system 6a, 6b.
- anchoring systems 6a, 6b therefore make it possible to fix the sides 33a, 33b (FIG. 2) of the collar 5 on the buttress 4 in the vertical direction, by choosing the distances ha and hb according to a discrete variation of these. It is thus advantageously possible to anchor the sides 33a, 33b of the collar 5 so as to have equal distances ha and hb (FIGS. 2). The axis D of the collar 5 is then vertical. This distance ha, hb can be varied in a given interval so as to vary the height H of the shoe 1. The user can thus choose this height H if he wishes to have transverse support of the tibia over a large height H or on a small height H.
- the sides 33a, 33b of the collar 5 are anchored so as to have hb ⁇ ha, which has the advantage of inclining the axis D of the collar 5 by an angle ⁇ towards the internal side of the foot relative to the median vertical plane P of the shoe 1.
- This configuration is advantageous for a user with valgus feet, the collar 5 adapting thanks to the device according to our invention to its morphology.
- the advantages provided by such an adaptation are identical to those provided in a configuration such as that of FIG. 5.
- FIG. 7 shows the anchoring system 6a, 6b, without its retaining screw 14, to facilitate understanding.
- the disengaged position of the discrete variation means of the anchoring system 6a, 6b is obtained by removing the retaining screw 14 by unscrewing it, then by removing the sidewall 33 of the collar 5 so as to remove the meshing of the indentations 9 with the toothed faces 12 of the ring 11.
- the screw 14 can also be unscrewed with a stroke at least equal to the thickness of the collar 5, so that the flank 33 of the collar of the ring 11 can be removed without detach the screw 14 from the sidewall 33.
- the ring 11 is then pivoted by a quarter turn around its axis 10.
- the toothed faces 12 are then perpendicular to the faces of the oblong groove 8 having the indentations 9.
- the flank 33 of the collar 5 is replaced in position against the buttress 4.
- the smooth faces 13 of the ring 11 come into contact with the indentations 9.
- the retaining screw 14 is replaced so as to keep the collar 5 on the buttress 4 in transverse direction.
- flank 33 of the collar 5 is thus free in vertical translation, the indentations 9 sliding on the smooth faces 13 of the ring 11 so as to constitute means for continuously varying the position of the flank 33 on the buttress 4, between two fixed limits by the upper 17 and lower 18 faces of the oblong groove 8.
- the distance between the smooth faces 13 must allow the sliding of the ring 11 in the oblong groove 8 of internal width I.
- This declutching has the advantage of leaving the user the possibility of reducing the transverse rigidity of his shoe 1, on the external side of the foot, or on the internal side of the foot, or on both sides simultaneously.
- This gives a certain flexibility of the collar 5 which can be advantageous when practicing the skater's step where the transverse support ensuring support of the leg is necessary mainly on the internal side of the leg, the external side not requiring support and being able to remain flexible transversely.
- FIG. 8 represents a second embodiment of the invention, in which the ring 11 has a smooth cylindrical outer surface 13.
- the toothed faces 12 have a single tooth. In the position of continuous variation of the position of the sidewall 33, such a configuration generates less friction, therefore less wear between the indentations 9 and the smooth faces 13 of the ring 11, due to a reduced contact surface between the ring 11 and the indentations 9.
- the faces 17, 18 of the oblong groove could be formed by cylinder portions so as to conform to the shape of the ring 11.
- a ring 11 of the type shown in FIG. 10 that is to say having toothed faces 12 comprising several teeth, so as to facilitate positioning of the flank 33 of the collar 5 on the ring 11 when the position is changed. , and also to have better resistance to rupture of the ring 11 due to the large number of teeth engaged with the indentations 9.
- the ring 11 also has two smooth faces 13 having a radius of curvature greater than the interior half-width I of the groove so as to reduce the sliding surface of the ring 11 on the indentations 9 to limit wear and to reduce the friction forces between the ring 11 and the collar 5.
- FIGS. 9 and 10 also represent a solution aimed at replacing the retaining screw 14 of the first embodiment by a retaining cover 19, not shown in FIG. 10, also constituting the means for retaining the sidewall 33 on the buttress 4, and means for disengaging the anchoring system 6a, 6b.
- This retaining cover 19 consists of a cylindrical body 20 provided at its ends with a lug 21, a cup 22 and elastic tabs 23.
- the buttress 4 has an orifice 24 (FIG. 10) provided with a groove longitudinal 25 extending over the entire height of the orifice 24, and a clearance 26 in the form of a quarter of a circle and of height less than that of the orifice 24.
- the cylindrical body 20 of the retaining cover 19 is introduced into the orifice 24 of the buttress 4, so as to make the lug 21 coincide with the longitudinal groove 25.
- the cylindrical body 20 is then pushed into the orifice 24 until the elastic tabs 23 come into contact with the end of the axis 10 of the buttress.
- We then press on the cup 22 so as to push the body 20 until the lug 21 coincides with the clearance 26, in doing so, we compress the elastic tabs 23 against the transverse surface 27 of the axis 10.
- the retaining cover 19 is then released.
- FIG. 9 Another advantage of the second embodiment shown in Figure 9 is constituted by the transverse retaining means of the ring 11 on the buttress 4.
- the buttress 4 is integral with the axis 10 serving as an axis of rotation for the ring 11.
- This axis 10 has on its outer cylindrical surface a projecting ring 29 which cooperates with a groove 30 provided inside the ring 11.
- the ring 11 also has an internal chamfer 31. To position the ring 11 on the buttress 4, press on it so that the projecting ring 29 comes to take place in the groove 30 by elastic deformation of the ring 11.
- the chamfer 31 serves as an engagement ramp for the projecting ring 29.
- This construction advantageously allows to maintain the ring 11 transversely on the buttress 4, in particular during adjustment operations on the collar 5, which makes it possible not to lose this ring 11.
- the connection of the axis 10 with the ring 11 allows the rot ation thereof around this axis 10, any connection allowing this rotation can be considered, in particular of the circlip type.
- Figures 3 and 9 each show a ring 11 having a crown 32 projecting radially.
- the crown 32 has the advantage of constituting a part of larger dimensions than the toothed part of the ring 11, which advantageously facilitates gripping and handling when mounting the anchoring system 6a, 6b.
- this ring 32 also advantageously serves as a wear part interposed between the collar 5 and the buttress 4, so as to avoid friction between these two parts, during the rotation of the collar 5 around its transverse axis. This ring 32 therefore improves operation but is not essential to it.
- the two embodiments make it possible to tilt the axis D of the collar 5 (FIGS. 5 and 6) towards the inside or towards the outside of the foot relative to the vertical median plane P of the foot, at an angle ⁇ .
- This angle ⁇ is limited by the lengths la, lb of the oblong grooves 8 of the collar 5, this length fixing the vertical stroke of the ring 11.
- oblong grooves 8 of different lengths 1a and 1b for the outer flank 33b and the inner flank 33a of the collar 5. It is also possible to have a hinge pin for the inner flank 33a or outer 33b of the collar 5 without anchoring system 6a, 6b of the type described, but only allowing rotation along a transverse axis of this flank 33a, 33b of the collar 5, the adjustment of the angular position of the collar 5 then being carried out on a single flank 33a, 33b collar 5, inside or outside, where the anchoring system 6a, 6b is located.
- the ratio of the number of teeth of the indentations 9 to the length la, lb of the oblong groove 8 determines the fineness of the adjustment of the vertical position of the flank 33a, 33b of the collar 5.
- the higher this ratio the finer the adjustment, the positions being very close to each other, which has the advantage of offering precise adjustment to the user.
- the collar 5 comprises, on each of its sides 33, an axis projecting towards the inside of the shoe and, provided with a ring 11 pivotally mounted.
- This ring 11 has toothed faces 12 which cooperate with indentations 9.
- Means for transversely holding the flank 33 of the collar 5 on the buttress 4 also consist of a retaining screw 14 of the type shown in FIG. 3, or a retaining cover 19 of the type shown in FIG. 9, the head of this screw or of this cover then being located for example on the inside of the shoe.
- this embodiment has the advantage of being made up of a collar, the sides of which do not have a non-masked through opening, which improves the aesthetics of the latter.
- FIGS. 11 and 12 Another embodiment, shown in FIGS. 11 and 12, provides an oblong groove 8 that does not open into the sidewall 33 of the collar 5.
- a shoulder 35 makes it possible to hide the indentations 9, so as to improve the aesthetics of the collar.
- An oblong through groove 36 is provided in the flank 33 of the collar so as to allow the flank 33 of the collar 5 to slide on the cylindrical body 20 of the screw 14, or of the retaining cover 19.
- an embodiment can also be provided in which the oblong groove 8 produced either in the collar 5 or in the buttress 4 is in an inclined direction relative to the axis of the collar 5 in the first case, or with respect to the vertical in the second case.
- the embodiment advantageously makes it possible to better adapt the collar 5 to the morphology of the user, whose inclination of the tibia may exist relative to the longitudinal median vertical plane of the foot and also not relative to the transverse vertical plane.
- Another advantage for example in the case of a continuous variation of the position of the internal flank 33a of the collar 5 on the buttress 4, to accentuate the internal edge grip, is constituted by the fact that the collar 5 can follow at most near the movement of the shin relative to the foot.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Golf Clubs (AREA)
- Walking Sticks, Umbrellas, And Fans (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9117028U DE9117028U1 (de) | 1990-08-22 | 1991-07-01 | Sportschuh mit angelenktem Kragen |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9010695A FR2666008A1 (fr) | 1990-08-22 | 1990-08-22 | Chaussure de sport a collier articule. |
| FR9010695 | 1990-08-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0471955A1 EP0471955A1 (fr) | 1992-02-26 |
| EP0471955B1 true EP0471955B1 (fr) | 1996-09-11 |
Family
ID=9399874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91110856A Expired - Lifetime EP0471955B1 (fr) | 1990-08-22 | 1991-07-01 | Chaussure de sport à collier articulé |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0471955B1 (enrdf_load_stackoverflow) |
| AT (1) | ATE142439T1 (enrdf_load_stackoverflow) |
| DE (1) | DE69122011T2 (enrdf_load_stackoverflow) |
| FR (1) | FR2666008A1 (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT398156B (de) * | 1992-06-03 | 1994-10-25 | Tyrolia Freizeitgeraete | Sportschuh insb. langlaufskischuh |
| DE4404911C2 (de) * | 1994-02-16 | 1997-10-02 | Georg Dr Ahlbaeumer | Schuh, insbesondere Sportschuh oder orthopädischer Strumpf, mit Sprunggelenkstabilisierung |
| CH689930A5 (de) * | 1995-11-24 | 2000-02-15 | Bernhard Georg Prof Dr Med Weber | Sportschuh mit einer gelenkigen Verbindung |
| FR2793660B1 (fr) * | 1999-05-17 | 2001-08-10 | Jean Francois Couturier | Chaussure de sport, notamment de ski alpin, de randonnee, de fond, de surf des neiges, de patin a roulettes ou de patin a glace |
| CN113170945B (zh) * | 2021-04-20 | 2022-04-29 | 宏威运动用品制造(张家口)有限公司 | 一种同步调节长度和宽度的竞速鞋 |
| FR3125207B1 (fr) * | 2021-07-13 | 2024-05-24 | Rossignol Lange Srl | Chaussure de ski de fond |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT8423030U1 (it) * | 1984-09-06 | 1986-03-06 | Nordica Spa | Struttura di dispositivo per la variazione dell'inclinazione in scarponi da sci. |
| IT213792Z2 (it) * | 1988-06-15 | 1990-03-01 | Olivieri Icaro & C | Scarpone da sci con dispositivo di registrazione della sua inclinazione trasversale. |
| EP0356400A3 (de) * | 1988-08-25 | 1991-06-12 | Obega 87 Ag Appenzell | Sportschuh |
-
1990
- 1990-08-22 FR FR9010695A patent/FR2666008A1/fr active Granted
-
1991
- 1991-07-01 EP EP91110856A patent/EP0471955B1/fr not_active Expired - Lifetime
- 1991-07-01 DE DE69122011T patent/DE69122011T2/de not_active Expired - Lifetime
- 1991-07-01 AT AT91110856T patent/ATE142439T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE69122011D1 (de) | 1996-10-17 |
| FR2666008B1 (enrdf_load_stackoverflow) | 1994-12-02 |
| EP0471955A1 (fr) | 1992-02-26 |
| FR2666008A1 (fr) | 1992-02-28 |
| ATE142439T1 (de) | 1996-09-15 |
| DE69122011T2 (de) | 1997-02-06 |
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