EP2620068A1 - Skischuh mit verstärktem Gelenk - Google Patents

Skischuh mit verstärktem Gelenk Download PDF

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Publication number
EP2620068A1
EP2620068A1 EP13000211.6A EP13000211A EP2620068A1 EP 2620068 A1 EP2620068 A1 EP 2620068A1 EP 13000211 A EP13000211 A EP 13000211A EP 2620068 A1 EP2620068 A1 EP 2620068A1
Authority
EP
European Patent Office
Prior art keywords
collar
shell
shell bottom
ski boot
relative rotation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP13000211.6A
Other languages
English (en)
French (fr)
Inventor
Pascal Pallatin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Salomon SAS
Original Assignee
Salomon SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Salomon SAS filed Critical Salomon SAS
Publication of EP2620068A1 publication Critical patent/EP2620068A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • A43B5/0452—Adjustment of the forward inclination of the boot leg

Definitions

  • the present invention relates to a ski boot with a rigid shell comprising a lower part, the bottom of the shell, and an upper part, the collar, the bottom of the shell comprising a soleplate intended to cooperate with a binding on a ski and the collar. being mounted on said hull bottom pivotally so as to allow relative rotation between the collar and the hull bottom.
  • ski boots is conventionally used in the field of downhill skiing, ski touring, or in the context of some skating type cross-country ski boots having a rigid body.
  • These ski boots are equipped with a hinge between the bottom of the shell and the collar to allow the user to perform movements of his foot in a natural way, without resistance from the rigid shell of the shoe, while providing a good hold of the foot in the shoe when skiing or, in general, when the user walks respectively short.
  • the optimal realization of this articulation between the two parts of the shell is not obvious, however, because it requires to simultaneously respect several partially opposed constraints. On the one hand, an articulation is always subject to forces when a movement occurs and which should be absorbed and best distributed on neighboring areas.
  • the object of the present invention is therefore to overcome the drawbacks of known ski boots and to achieve the aforementioned advantages, in particular to allow the realization of a ski boot which has an improved absorption of the forces occurring during the rotation. relative between the collar and the bottom of the hull and their distribution on the neighboring areas of the articulation of the hull.
  • Another object of the present invention is to facilitate the adjustment of the angle of inclination of the axis of rotation between the two parts of the shell, in particular by dispensing with the need to have a specific tool for perform this operation.
  • the shoe should be relatively simple to design, so as not to increase the complexity and production costs, and reliable during its use.
  • a ski boot for performing said relative rotation between the collar and the shell bottom, the hinge means comprising at least three elements of which a first element is located on the bottom shell, a second element is located on the collar, and a third element constituting a means of attachment between the collar and the shell bottom, at least two of the three elements of the hinge means being equipped with a surface extended support adapted to receive the forces occurring during said relative rotation between the collar and the bottom of the shell.
  • one of the first and second elements of the articulation means is constituted by a projecting portion adapted to serve as an axis of rotation for the relative rotation between the collar and the shell bottom, the other of the first and second elements being constituted by an opening of a size substantially corresponding to said projecting portion and adapted to receive the latter in its interior.
  • said projecting part forms, on its outer radial periphery, a bearing surface of large size and thus ideally adapted to receive and transmit the forces occurring during said relative rotation between the collar and the bottom shell, advantageously obtained a reinforced joint, particularly at its axis of rotation, improved absorption and distribution of the forces occurring during the movements, and a stabilized joint area as a whole .
  • this has the consequence that the user has improved accuracy in his control of the shoe and thus skiing.
  • the protruding part in the shell bottom it is possible in a variant to integrate it into the collar.
  • the present invention relates to a rigid-shelled ski boot which comprises a lower part, the lower shell 1, and an upper part, the collar 2. It is preferably an alpine ski boot of type "front entrance”, but it can also be a ski boot for the practice of ski touring or cross-country skiing provided that the shoe should have a substantially rigid shell as is recommended for example for the practice of skating.
  • said shell bottom 1 comprises a sole plate 1.1 designed to cooperate with a fixation on a ski.
  • Said collar 2 is adapted to be mounted on the shell bottom 1 pivotally, in order to allow a relative rotation of a certain angular extent between the collar and the bottom of the shell giving the user the possibility of making movements during the practice of skiing or even walking without being hindered by the rigid shell and while having a good hold in the shoe.
  • the shell bottom 1 and the collar 2 are also illustrated in the perspective view of the figure 1e , in their assembled state, and normally comprise closure elements allowing the user to tighten the shoe around his foot, these elements not being illustrated in the figures because not related to the present invention.
  • a ski boot according to the present invention is intended to make improvements in the hinge area of the rigid shell of this kind of shoes, therefore at the level of the connection between the shell bottom 1 and the collar 2.
  • a shoe according to the present invention comprises for this purpose hinge means 3 for performing said relative rotation between the collar 2 and the shell bottom 1 and, simultaneously, being able to reinforce said hinge area of the rigid shell .
  • the hinge means 3 comprise at least three elements 3.1, 3.2, 3.3, of which a first element 3.1 is located on the shell bottom 1, a second element 3.2 is located on the collar 2, and a third element 3.2 which constitutes a fixing means between the collar 2 and the shell bottom 1.
  • one of the first - 3.1 and second elements 3.2 of the hinge means 3 is constituted, in the preferred embodiment illustrated in the figures, by a protruding part adapted to serve as axis of rotation 4 for the relative rotation between the collar 2 and the shell bottom 1.
  • the other of the first - 3.1 and second elements 3.2 of the articulation means 3 is in this case constituted by an opening of a size corresponding substantially to said projecting portion and adapted to receive the latter in its interior.
  • the first element 3.1 of the articulation means 3 which is constituted by a projecting portion 3.1.1 similar to a trunnion, this projecting part 3.1.1 then being located on the shell bottom 1 and adapted to serve as axis of rotation 4 for the relative rotation between the collar 2 and the bottom shell 1.
  • the second element 3.2 is then constituted by an opening 3.2 .1 in the collar 2 of a size substantially corresponding to said projecting portion 3.1.1 and adapted to receive the latter inside.
  • FIGS. 2c and 2nd show that said projecting portion 3.1.1 adapted to serve as axis of rotation 4 for the relative rotation between the collar 2 and the shell bottom 1 forms, on its outer radial periphery, a first support surface 3.1.1.1 enlarged. Because of its large surface, this first bearing surface 3.1.1.1 is particularly adapted to receive the forces occurring during said relative rotation between the collar 2 and the shell bottom 1 as well as to transmit them on the neighboring zones of the rigid shell.
  • this projection 3.1.1 has a height greater than 3 mm, preferably greater than 4 mm, and a diameter greater than 20 mm, preferably greater than 22 mm.
  • the first bearing surface 3.1.1.1 is greater than 185 mm 2 , preferably greater than 250 mm 2 .
  • the first bearing surface 3.1.1.1 can reach a surface of 300 mm 2 at 375 mm 2 or even be greater than this value.
  • this second bearing surface 3.2.1.1 is adapted to receive the forces occurring during said relative rotation between the collar 2 and the shell bottom 1 and to transmit them to the neighboring zones of the rigid shell.
  • Said opening 3.2.1 is formed in particular in a wall of the collar 2 having a thickness greater than 2 mm, preferably greater than 3 mm or even 4 mm, and has a diameter greater than 20 mm, preferably greater than 22.
  • the size of the second enlarged support surface 3.2.1.1 substantially corresponds to the size of the first support surface 3.1.1.1 located on the bottom of the shell 1, and can therefore likewise reach a surface of 300 mm 2 to 375 mm 2 or even greater than this value.
  • the first - 3.1.1.1 and second enlarged support surfaces 3.2.1.1 not only contribute to the mechanical strengthening of the hinge between the shell 1 and the collar 2, but that these surfaces enlarged support also improve the integration of this articulation at the aesthetic level, therefore induce a better aesthetics of the ski boot in general.
  • the Figures 1a and 1b , or 2c, 2d, and 2e also show that the protruding part 3.1.1 formed on the shell bottom 1 and adapted to serve as axis of rotation 4 for the relative rotation between the collar 2 and the bottom shell 1 comprises a through hole 3.1.1.2 located towards its center.
  • This through hole 3.1.1.2 is adapted to receive said third element 3.3 of the hinge means 3 constituting a fixing means between the collar 2 and the shell bottom 1.
  • the third element 3.3 of the articulation means 3 constituting a fastening means between the collar 2 and the shell bottom 1 is preferably made by a flat head screw 3.3.1 and a nut 3.3.2.
  • said flat head screw 3.3.1 comprises a head 3.3.1.1 with a diameter greater than 24 mm, preferably greater than 25 mm.
  • the head 3.3.1.1 of the flathead screw 3.3.1 has a diameter greater than the diameter chosen for the opening 3.2.1 formed in the wall of the collar 2.
  • this opening 3.2.1 is equipped with , on the outer side of the collar 2 and as visible in particular on the Figures 2c and 2nd , a shoulder having a thickness similar to that of the head 3.3.1.1 and for accommodating at least partially said head 3.3.1.1 of the flat head screw 3.3.1, so that the outer surface of the collar 2 can be substantially smooth once the parts of the shoe are assembled.
  • the integration of the hinge between the shell bottom 1 and the collar 2 is substantially improved aesthetically.
  • the bottom shell 1 and the protruding portion 3.1.1 are provided on the inner side of the shell bottom 1 and as visible in particular on the Figures 2c and 2 F , a notch adapted to receive the nut 3.3.2 of the flat head screw 3.3.1, so that the inner surface of the shell bottom 1 can be substantially smooth once the parts of the shoe are assembled, allowing the user to insert his foot in the shoe and to use it without being impeded by said third element 3.3 of the articulation means 3.
  • the head 3.3.1.1 comprises two cavities 3.3.1.2 placed at the periphery thereof, diametrically opposed to each other. These cavities constitute two indentations capable of cooperating with the tool making it possible to screw or unscrew the screw 3.3.1.
  • the flat head screw 3.3.1 could also be replaced by any other equivalent means.
  • FIGS. 3a to 3f illustrate, with respectively perspective views from above as well as horizontal and vertical sections, a second embodiment of a ski boot according to the present invention.
  • the hinge means 3 comprise in this case an eccentric 3.4 which is adapted to be placed between said first element 3.1 and said second element 3.2.
  • the diameters of the projecting portion 3.1.1 on the shell bottom 1 and the opening 3.2.1 on the collar 2 are chosen so that the eccentric 3.4 can be placed radially between these two elements.
  • said protruding part 3.1.1 on the shell bottom 1 also has a shoulder on its side facing the outside of the boot, so as to make it possible to center the central part of the eccentric which is then equipped with a counter-shoulder of corresponding shape.
  • the head 3.3.1.1 of the flathead screw 3.3.1 used in this embodiment of a ski boot may have a diameter smaller than the diameter chosen for the opening 3.2.1 formed in the wall of the collar 2 , since the head 3.3.1.1 only serves to fix the eccentric 3.4 in its position, the eccentric 3.4 can be used in turn to fix, by its radial shoulder, the collar 2.
  • the eccentric 3.4 makes it possible to define an effective axis of rotation 4 'for the relative rotation between the collar 2 and the shell bottom 1 which is inclined and / or displaced relative to the axis of rotation 4 defined by one of the first - 3.1 and second elements 3.2 of the articulation means 3, in particular by the projecting part 3.1.1 described in detail above. It remains to be noted in this context that it is obviously possible to change the position of the eccentric 3.4, so that the inclination angle ⁇ and / or the displacement distance d of the effective rotational axis 4 'relative to the axis of rotation 4 for the relative rotation between the collar 2 and the shell bottom 1 is adjustable.
  • the protruding part 3.1.1 on the bottom shell 1 has in this embodiment a series of radial grooves 3.1.1.3 positioned on its surface facing the outside of the shoe and the eccentric 3.4 is equipped with a series of corresponding radial projections 3.4.2 on its inward facing surface of the boot respectively to said projecting portion 3.1.1, so that the lateral portion 3.4.1 of a variable thickness of the eccentric 3.4 can be placed in the angular position desired by the user.
  • the head 3.3.1.1 of the flat head screw 3.3.1 can also be arranged in a suitable manner, for example example be provided with a groove on its outer surface allowing the insertion of a coin or two or three holes, as illustrated for example to figures 2e and 3rd , allowing the modification of the angular position of the eccentric 3.4 by the insertion of a pointed object.
  • the adjustment is all the more easy for the user because the head 3.3.1.1 of the flat head screw 3.3.1 according to the present invention has a large diameter, which results in a greater lever arm , respectively a decreased adjustment effort.
  • the first - 3.1 and second elements 3.2 of the articulation means 3 are preferably made of a part with the shell bottom 1, respectively the collar 2. These two parts being normally made of plastic, the elements 3.1, 3.2 can be manufactured suitably a part with the shell bottom 1, respectively the collar 2, by manufacturing methods known to those skilled in the art.
  • the first element 3.1 of the articulation means is made of a separate part of the bottom shell 1. This embodiment will be described below with reference to the Figures 4a and 4.b .
  • said third element 3.3 of the hinge means 3 constituting a fixing means between the collar 2 and the shell bottom 1 is normally fixed to the shell bottom 1, respectively to the collar 2, by screwing, by riveting, by compression, or by thermoforming, or by any other method known to those skilled in the art, without this requiring more detailed explanations.
  • the two embodiments of a ski boot according to the present invention described in detail above can also be declined in corresponding variants which are less preferred and which are therefore not illustrated in the figures, namely in an inverted configuration at the level of the first - 3.1 and the second element 3.2 of the hinge means 3.
  • said second element 3.2 of the hinge means 3 is constituted by a projecting portion on the collar 2 adapted to serve as an axis rotation 4 for the relative rotation between the collar 2 and the bottom shell 1. Therefore, the first element 3.1 is in these cases constituted by an opening in the shell bottom 1 of a size substantially corresponding to said projecting portion and adapted to receive the latter inside.
  • the third element 3.3 of the hinge means 3 constituting a fixing means between the collar 2 and the shell bottom 1 can then be realized by a flathead screw 3.3.1 having a medial axial portion adapted to serve as an axis of rotation 4 for the relative rotation between the collar 2 and the shell bottom 1 and having a first bearing surface adapted to receive the forces occurring during said relative rotation between the collar 2 and the shell bottom 1.
  • said median axial portion should in this case have a length greater than 6 mm, preferably greater than 8 mm, and a diameter greater than 20 mm, preferably greater than 22 mm, so that it has a first bearing surface which is greater than 370 mm 2 , preferably greater than 500 mm 2 .
  • first - 3.1 and second elements 3.2 of the articulation means 3 are in this embodiment, also less preferred than the first two embodiments described at the beginning, each provided with an opening adapted to receive within this central axial portion of the third element 3.3 having a first enlarged support surface, each of these openings being equipped with a second enlarged support surface adapted to receive the forces occurring during said relative rotation between the collar 2 and the lower shell 1 and transmit them to the neighboring areas of the rigid shell.
  • each of these openings should be formed in a wall of the bottom shell 1, respectively collar 2, having a thickness greater than 2 mm, preferably greater than 3 mm or 4 mm, and has a diameter greater than 20 mm, preferably greater than 22 mm, so that each of said second bearing surfaces is greater than 125 mm 2 , preferably greater than 185 mm 2 . It is preferable in this case that the size of each second enlarged support surface corresponds substantially to half the size of the first bearing surface located on the middle axial portion of the third element 3.3.
  • the Figures 4a and 4b illustrate, in a perspective view and a sectional view another embodiment of a shoe according to the invention. These views represent only one element of the shoe, namely the spacer 3.4.
  • the spacer 3.4 provides the function of the first element 3.1 of the articulation means and a part of the functions of the third element 3.3 of these same articulation means.
  • the spacer 3.4 is mainly constituted by a cylindrical body 3.4.1 surmounted by a plate 3.4.2 of a larger diameter than said cylindrical body.
  • the cylindrical body has a height of 6.5 mm and a diameter of 24 mm.
  • the surface 3.4.1 outer body is the first bearing surface 3.1.1.1 within the meaning of the invention. This surface has an area of 490 mm 2 .
  • the spacer 3.4.1 is fixed to the shell bottom by means of a screw (not shown) and a nut similar to those mounted to the Figures 2c and 3c . Due to the presence of an oblong through opening 3.4.3, the spacer 3.4 may take several positions relative to the bottom of the shell. 3.4.4 hooking teeth are formed on the front surface of the cylindrical body which comes into contact with the bottom of the shell in order to prevent a sliding of the spacer relative to the bottom of the shell.
  • the collar 2 is equipped with an opening 3.2.1 whose diameter is equal to the outside diameter of the cylindrical body 3.4.1.
  • the plate 3.4.2 provides part of the functions of the third element 3.3 of the hinge means because, due to its greater diameter than that of the opening 3.2.1 of the collar, it plate it between its lower face 3.4.2.1 and the bottom of the hull.
  • the ski boot can be declined in several variants and therefore has a principle of flexible construction. Moreover, because of the relatively simple structure of such a ski boot, these advantages are obtained without increasing the complexity or even the production costs of such a ski boot.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP13000211.6A 2012-01-25 2013-01-16 Skischuh mit verstärktem Gelenk Withdrawn EP2620068A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1200224A FR2985889B1 (fr) 2012-01-25 2012-01-25 Chaussure de ski avec articulation renforcee

Publications (1)

Publication Number Publication Date
EP2620068A1 true EP2620068A1 (de) 2013-07-31

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EP13000211.6A Withdrawn EP2620068A1 (de) 2012-01-25 2013-01-16 Skischuh mit verstärktem Gelenk

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EP (1) EP2620068A1 (de)
FR (1) FR2985889B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT516153B1 (de) * 2015-02-03 2016-03-15 Atomic Austria Gmbh Sportschuh mit einer Schale umfassend Hartkunststoff, Verbundwerkstoffe oder eine Kombination davon
EP3228202A1 (de) * 2016-04-04 2017-10-11 Rossignol Lange S.R.L. Skischuh
IT201800007695A1 (it) * 2018-07-31 2020-01-31 Alpinestars Res Srl Dispositivo di protezione indossabile, metodo di assemblaggio di detto dispositivo di protezione indossabile e stivale da motociclismo comprendente detto dispositivo di protezione indossabile.
EP4193863A1 (de) * 2021-12-10 2023-06-14 Rossignol Lange S.R.L. Vorrichtung zur verbindung zwischen einem schalenunterteil und einem schuhkragen eines skischuhs

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4107856A (en) * 1976-09-13 1978-08-22 The Garcia Corporation Fast closing athletic boot
AT369243B (de) * 1980-04-11 1982-12-10 Koeflach Sportgeraete Gmbh Achsgelenk fuer die anlenkung einer manschette an die schale eines skischuhes
FR2847173A1 (fr) * 2002-11-20 2004-05-21 Salomon Sa Dispositif de reglage de position deverrouillable

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4107856A (en) * 1976-09-13 1978-08-22 The Garcia Corporation Fast closing athletic boot
AT369243B (de) * 1980-04-11 1982-12-10 Koeflach Sportgeraete Gmbh Achsgelenk fuer die anlenkung einer manschette an die schale eines skischuhes
FR2847173A1 (fr) * 2002-11-20 2004-05-21 Salomon Sa Dispositif de reglage de position deverrouillable

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT516153B1 (de) * 2015-02-03 2016-03-15 Atomic Austria Gmbh Sportschuh mit einer Schale umfassend Hartkunststoff, Verbundwerkstoffe oder eine Kombination davon
AT516153A4 (de) * 2015-02-03 2016-03-15 Atomic Austria Gmbh Sportschuh mit einer Schale umfassend Hartkunststoff, Verbundwerkstoffe oder eine Kombination davon
EP3228202A1 (de) * 2016-04-04 2017-10-11 Rossignol Lange S.R.L. Skischuh
US10244817B2 (en) 2016-04-04 2019-04-02 Rossignol Lange S.R.L. Ski boot
IT201800007695A1 (it) * 2018-07-31 2020-01-31 Alpinestars Res Srl Dispositivo di protezione indossabile, metodo di assemblaggio di detto dispositivo di protezione indossabile e stivale da motociclismo comprendente detto dispositivo di protezione indossabile.
WO2020025568A1 (en) * 2018-07-31 2020-02-06 Alpinestars Research Srl Wearable protection device, method of assembling said wearable protection device and motorcycle boot comprising said wearable protection device
CN112533503A (zh) * 2018-07-31 2021-03-19 阿尔皮纳塔尔研究公司 可穿戴保护装置、组装所述可穿戴保护装置的方法以及包括所述可穿戴保护装置的摩托车靴
EP4193863A1 (de) * 2021-12-10 2023-06-14 Rossignol Lange S.R.L. Vorrichtung zur verbindung zwischen einem schalenunterteil und einem schuhkragen eines skischuhs
US12108838B2 (en) 2021-12-10 2024-10-08 Rossignol Lange S.R.L. Connecting device between a lower shell and a cuff of a ski boot

Also Published As

Publication number Publication date
FR2985889A1 (fr) 2013-07-26
FR2985889B1 (fr) 2015-01-09

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