EP2572599A1 - Schale für Skischuh mit Spoiler - Google Patents

Schale für Skischuh mit Spoiler Download PDF

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Publication number
EP2572599A1
EP2572599A1 EP11425241A EP11425241A EP2572599A1 EP 2572599 A1 EP2572599 A1 EP 2572599A1 EP 11425241 A EP11425241 A EP 11425241A EP 11425241 A EP11425241 A EP 11425241A EP 2572599 A1 EP2572599 A1 EP 2572599A1
Authority
EP
European Patent Office
Prior art keywords
shell
hull
notch
ski boot
rear support
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.)
Granted
Application number
EP11425241A
Other languages
English (en)
French (fr)
Other versions
EP2572599B1 (de
Inventor
Remo Venturato
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.)
Rossignol Lange SRL
Original Assignee
Rossignol Lange SRL
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 Rossignol Lange SRL filed Critical Rossignol Lange SRL
Priority to EP20110425241 priority Critical patent/EP2572599B1/de
Priority to US13/627,534 priority patent/US10531703B2/en
Publication of EP2572599A1 publication Critical patent/EP2572599A1/de
Application granted granted Critical
Publication of EP2572599B1 publication Critical patent/EP2572599B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00Footwear for sporting purposes
    • A43B5/04Ski or like boots
    • A43B5/0427Ski or like boots characterised by type or construction details
    • A43B5/047Ski or like boots characterised by type or construction details provided with means to improve walking with the skiboot
    • A43B5/0474Ski or like boots characterised by type or construction details provided with means to improve walking with the skiboot having a walk/ski position
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00Footwear for sporting purposes
    • A43B5/04Ski or like boots
    • A43B5/0427Ski or like boots characterised by type or construction details
    • A43B5/0429Adjustment of the boot to calf or shin, i.e. fibula, tibia
    • A43B5/0431Adjustment of the boot to calf or shin, i.e. fibula, tibia to the length of calf or shin, i.e. fibula, tibia
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00Footwear for sporting purposes
    • A43B5/04Ski or like boots
    • A43B5/0427Ski or like boots characterised by type or construction details
    • A43B5/047Ski or like boots characterised by type or construction details provided with means to improve walking with the skiboot
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00Footwear for sporting purposes
    • A43B5/04Ski or like boots
    • A43B5/0427Ski or like boots characterised by type or construction details
    • A43B5/0478Mid-entry skiboots, hybrid skiboots

Definitions

  • the invention relates to a ski boot shell and a ski boot as such comprising such a shell. It also relates to a method of manufacturing a ski boot shell.
  • a ski boot 1 represented on the figure 1 , generally consists of a rigid shell 9, obtained by injection of a plastic material in a manufacturing mold, on which is fixed a collar 2 of plastic material, articulated about an axis of rotation 3, intended to cover the lower leg.
  • This assembly forms a ski boot upper made of plastic material, into which a comfort liner 6 is inserted.
  • the shell 9 and the collar 2 have an indentation along their entire length to allow a separation of flaps distributed around this indentation and to facilitate the boot and heaving of the shoe.
  • Closing and clamping elements 4, 5 are distributed on the flaps on either side of this notch to close and tighten the rod around the foot and the lower leg of the skier during the practice of skiing, to allow him a good guidance of his skis.
  • the rigid hull that rises above the ankle of the skier, and which has a forward inclination adapted to the practice of skiing still represents a hindrance in the rear part of the leg , and limits or even prevents the straightening of the leg and ultimately represents a constraint for walking with the ski boot.
  • An object of the invention is therefore to provide a ski boot that promotes the practice of walking, while maintaining the best performance possible for skiing and an acceptable cost.
  • the invention proposes a hull which comprises a spoiler in its upper rear part movably connected to the hull, adapted to occupy a first ski practice position and a second operating position.
  • the invention is based on a ski boot comprising a usual shoe architecture, as illustrated in FIG. figure 1 .
  • this ski boot comprises a modified shell 10, more particularly represented on the Figures 2, 3 , 6, 7 and 10 , which comprises a rear notch 11 at which is disposed a movable rear support element 20, which we will also call more simply by its English name "spoiler".
  • this indentation 11 has a trapezoidal shape, even V or U, which extends from the upper end of the shell to near the axis of rotation 14 provided for a collar, no represent. This notch is substantially centered with respect to the longitudinal median plane of the shoe.
  • the spoiler 20 is fixed on the shell 10 at a lower point, by any fastener 12, such as a rivet for example. It then extends towards the top of the hull, so as to cover a sufficient surface which corresponds to the notch 11 of the hull 10. It furthermore comprises two lateral surfaces 23 which can overlap the rear surface of the hull, at the the side walls 13 of the notch 11, as particularly represented on the figure 8 .
  • This hull structure is advantageous since its spoiler 20 is movable between a first position provided for the practice of the ski in which it abuts on the rear surface of the hull 10 and a second position provided for the step in which it departs at least partially to the rear, releasing the notch 11 and allowing the lower leg to straighten to facilitate the walk of the skier, as represented by the figures 7 and 9 .
  • the movement of the spoiler is similar to a rotation about a transverse axis 15 delimited by the lower edge 17 of the notch 11.
  • the Figures 4 and 5 more particularly represent the spoiler according to one embodiment. It is in the form of a monolithic element made of plastic material, advantageously formed by a single plastic injection step.
  • the figure 4 illustrates the front face of the spoiler 20, that is to say oriented towards the inside of the shell 10. It comprises a tongue 21 in its lower part, within which is provided an opening 22 intended to receive the element 12 mentioned above. As a note, this tongue 21 is positioned inside the shell 10, to facilitate its maintenance during the rearward thrusts exerted on the spoiler by the skier's leg. Alternatively, it could however be fixed on the outer surface of the hull. It further comprises two lateral surfaces 23 intended to abut on the rear surface of the shell 10, then a raised central portion intended to occupy the free space of the notch 11. This raised part forms two lateral surfaces in relief 24 intended to bear against the surfaces disposed in the thickness of the side walls 13 of the notch.
  • These raised lateral surfaces 24 are oriented in a direction substantially perpendicular to the lateral surfaces 23, these two joined surfaces thus forming a shoulder.
  • the latter guarantees the correct positioning and the good maintenance of the spoiler 20 relative to the hull 10 in both the longitudinal x and transverse directions y in the practice position of the ski of the spoiler.
  • This construction of a double shoulder-type abutment connection between the spoiler and the hull allows the latter to have overall rigidity similar to that of the hulls of the state of the art when it is in the practice position of the ski, and that the spoiler is held in abutment position under the pressure force of a collar.
  • the spoiler is preferably made of a rigid material, of stiffness similar to that of the rest of the hull.
  • the raised central portion of the spoiler 20 comprises reinforcing ribs 25, of thickness substantially equal to the thickness of the shell 10, to be housed in the free volume of the notch 11.
  • the border between the tongue 21 and the remainder of the spoiler has a region of lesser thickness 27 extending in the transverse direction, intended for positioning at the lower edge 17 of the notch 11. It thus forms a transverse axis of rotation 15 by the flexibility of the plastic material combined with its reduced thickness and its support at a ridge 17 of the shell.
  • the rear surface 26 of the spoiler visible on the figure 5 , has a smooth and continuous face, allowing to complete the outer surface of the hull continuously in its first skiing position.
  • the invention also relates to a ski boot, such as that described on the figure 1 , incorporating a shell according to the invention, as described above.
  • This rigid shell 10 generally made of a plastic material such as polyurethane hardness between 40 and 60 Shore D or by any other material of equivalent stiffness, and obtained by injection, surrounds the skier's foot.
  • These two rigid elements, forming a rod are provided with a central notch to allow a spacing facilitating donning and heaving.
  • ski boot In a first ski practice position, the boot is tightened by means of the binding devices, and the skier's leg is locked and tightened in an inclined skiing position.
  • the collar bears on the outer surface of the hull and maintains the spoiler in its first ski practice position, as explained above and more particularly shown on the figures 6 and 8 .
  • the hull and its spoiler in position Ski practice thus represent a set of similar shape to the hulls of the state of the art, which is perfect for skiing.
  • this solution of the invention is naturally compatible with all the rods of the state of the art, and is particularly particularly complementary with the solutions for unlocking the inclined positioning of the collar relative to the shell, to release at best the possibility of backward movement of the skier's leg for the purpose of walking.
  • the invention is not limited to the ski boot shell detailed above by way of example.
  • the hull could have another shape, and the notch could occupy any other surface and any other shape.
  • it extends over at least a quarter, or even a third, of the height of the shell, and / or over at least half the width of the upper opening of the shell intended to insert the foot, measured in the rest position of the hull, to provide enough freedom to the skier's leg.
  • the spoiler could have another shape, especially at its bearing surfaces forming a shoulder-type abutment on the shell.
  • any other configuration to obtain a stop in the two longitudinal and transverse directions y could agree, even through a single inclined bearing surface, the shell having a corresponding inclined surface at its Lateral edges 13.
  • the shoulder described could have another shape.
  • the abutment of the spoiler could only exist in the only longitudinal direction, to ensure that the spoiler does not pass through the notch 11 towards the inside of the hull, where it could hit the leg of the skier.
  • the spoiler could be in any other material, and / or be in several elements fixed together.
  • a lateral attachment point positioned at one of the lateral edges of the notch on the rear surface of the hull, in which case its movement could for example approach the a rotation about a vertical axis. It could thus be movable along an axis of rotation of any other direction, but preferably positioned near the notch, at the rear surface of the hull.
  • it could be bonded to the shell by any other means of attachment, such as a weld or gluing for example, and / or with a single or several attachment points or a line or attachment surface.
  • this attachment is preferably positioned at the rear surface of the shell, preferably in the vicinity of the notch, and not for example on a side surface of the shell. His movement could be different from a simple rotation. It may also not completely close the notch in the ski practice position. It could have any other shape, but preferably comprising an area less than or equal to twice the area of the notch. Similarly, its height is preferably limited, not exceeding by more than 5 cm the maximum height of the hull, that is to say, height less than or equal to the height of the hull increased by 5 cm.
  • a shoe could comprise several spoilers 20 of different properties, for example of different hardness, to allow a skier to choose the spoiler among the existing plurality representing the best compromise, between the two extreme cases of a very rigid spoiler favorable skiing and less comfortable, for example for the practice of competition, and on the contrary a spoiler very flexible, more comfortable but less efficient for the practice of skiing, well suited for beginners.
  • the choice of the spoiler thus makes it possible to define the rigidity of the hull in the practice position of the ski.
  • the spoiler is naturally mounted removably on the shell, that is to say by a device for easy removal, preferably without tools.
  • the spoiler could be non-removable, that is to say fixed by a device not provided for the removal of the spoiler, which withdrawal would be either impossible or very difficult and not user friendly.
  • the invention also relates to a method of manufacturing a ski boot shell, comprising a first step of manufacturing an external rigid shell by injection of rigid plastic material, and comprising a second step of manufacturing a spoiler and a step of fixing the spoiler on the outer rigid shell, movably at a rear notch.
  • the stage of manufacture of the spoiler may consist of a second stage of injection of a plastic material.
  • the method may comprise a third step of injecting a plastic material to form a second spoiler for the same shell, with mechanical properties different from those of the first spoiler.
  • Such a solution of the invention offers the advantage of great ease for the manufacture of a shoe, since the shell differs from the usual shells only by the addition of a notch. Its manufacturing mold is easy and inexpensive to manufacture. In addition, the spoiler has a relatively simple shape, easy and inexpensive to manufacture.

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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)
EP20110425241 2011-09-26 2011-09-26 Schale für Skischuh mit Spoiler Active EP2572599B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20110425241 EP2572599B1 (de) 2011-09-26 2011-09-26 Schale für Skischuh mit Spoiler
US13/627,534 US10531703B2 (en) 2011-09-26 2012-09-26 Ski boot shell with spoiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20110425241 EP2572599B1 (de) 2011-09-26 2011-09-26 Schale für Skischuh mit Spoiler

Publications (2)

Publication Number Publication Date
EP2572599A1 true EP2572599A1 (de) 2013-03-27
EP2572599B1 EP2572599B1 (de) 2015-04-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110425241 Active EP2572599B1 (de) 2011-09-26 2011-09-26 Schale für Skischuh mit Spoiler

Country Status (2)

Country Link
US (1) US10531703B2 (de)
EP (1) EP2572599B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2572599B1 (de) * 2011-09-26 2015-04-22 Rossignol Lange S.R.L. Schale für Skischuh mit Spoiler
ES2906567T3 (es) * 2015-05-06 2022-04-19 Ober Alp Spa Bota de esquí provista de un mecanismo de selección de esquí-marcha mejorado
IT201800007611A1 (it) * 2018-07-30 2020-01-30 Felice Bani Scarpone da sci
USD966667S1 (en) 2019-10-11 2022-10-18 Target Brands, Inc. Footwear
USD934547S1 (en) 2019-10-11 2021-11-02 Target Corporation Outsole tread
USD986570S1 (en) 2019-10-11 2023-05-23 Target Brands, Inc. Footwear

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EP1915917A1 (de) 2006-10-11 2008-04-30 LISA Lange International Sàrl Sport shoe with articulated cuff for a walking position

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ITTO20130138U1 (it) * 2013-09-06 2015-03-07 Tecnica Group Spa Calzatura sportiva provvista di uno spoiler posteriore regolabile

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT339773B (de) * 1975-08-21 1977-11-10 Dynafit Gmbh Skischuh
EP0342463A2 (de) * 1988-05-20 1989-11-23 NORDICA S.p.A. Skistiefel mit verbessertem Sitz
EP0477817A2 (de) * 1990-09-27 1992-04-01 NORDICA S.p.A. Einstellvorrichtung für hintere Abstützung, insbesondere für Skischuhe
EP0623294A1 (de) * 1993-05-07 1994-11-09 Dolomite S.P.A. Sportschuh, insbesondere Skischuh
EP1915917A1 (de) 2006-10-11 2008-04-30 LISA Lange International Sàrl Sport shoe with articulated cuff for a walking position

Also Published As

Publication number Publication date
US10531703B2 (en) 2020-01-14
US20130074373A1 (en) 2013-03-28
EP2572599B1 (de) 2015-04-22

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