EP3124089A1 - Device for skiing - Google Patents
Device for skiing Download PDFInfo
- Publication number
- EP3124089A1 EP3124089A1 EP16180146.9A EP16180146A EP3124089A1 EP 3124089 A1 EP3124089 A1 EP 3124089A1 EP 16180146 A EP16180146 A EP 16180146A EP 3124089 A1 EP3124089 A1 EP 3124089A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- molded body
- lower leg
- ski boot
- ski
- foot
- 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
Links
- 210000001699 lower leg Anatomy 0.000 claims abstract description 37
- 210000002303 tibia Anatomy 0.000 claims abstract description 14
- 244000309466 calf Species 0.000 claims description 8
- 210000002683 foot Anatomy 0.000 abstract description 15
- 201000004624 Dermatitis Diseases 0.000 abstract description 3
- 210000004744 fore-foot Anatomy 0.000 abstract description 3
- 210000002414 leg Anatomy 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 7
- 210000003127 knee Anatomy 0.000 description 7
- 229920000049 Carbon (fiber) Polymers 0.000 description 5
- 239000004917 carbon fiber Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 210000003423 ankle Anatomy 0.000 description 3
- 239000011505 plaster Substances 0.000 description 3
- 210000002082 fibula Anatomy 0.000 description 2
- 230000000399 orthopedic effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 241000270281 Coluber constrictor Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- OQZCSNDVOWYALR-UHFFFAOYSA-N flurochloridone Chemical compound FC(F)(F)C1=CC=CC(N2C(C(Cl)C(CCl)C2)=O)=C1 OQZCSNDVOWYALR-UHFFFAOYSA-N 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/18—Training appliances or apparatus for special sports for skiing
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/08—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions
- A63B71/12—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the body or the legs, e.g. for the shoulders
- A63B71/1225—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the body or the legs, e.g. for the shoulders for the legs, e.g. thighs, knees, ankles, feet
-
- 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
- A43B5/0415—Accessories
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C11/00—Accessories for skiing or snowboarding
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/08—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions
- A63B71/12—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the body or the legs, e.g. for the shoulders
- A63B71/1225—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the body or the legs, e.g. for the shoulders for the legs, e.g. thighs, knees, ankles, feet
- A63B2071/1258—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the body or the legs, e.g. for the shoulders for the legs, e.g. thighs, knees, ankles, feet for the shin, e.g. shin guards
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/08—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions
- A63B71/12—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the body or the legs, e.g. for the shoulders
- A63B71/1225—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the body or the legs, e.g. for the shoulders for the legs, e.g. thighs, knees, ankles, feet
- A63B2071/1266—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the body or the legs, e.g. for the shoulders for the legs, e.g. thighs, knees, ankles, feet for the calf
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2209/00—Characteristics of used materials
- A63B2209/10—Characteristics of used materials with adhesive type surfaces, i.e. hook and loop-type fastener
Definitions
- the invention relates to a device for transmitting movement forces of a skier from the lower leg to the ski boot according to the preamble of claim 1.
- ski sports In ski sports the good control of the skis is crucial. With the help of a ski boot mounted in a ski binding of the ski, a power transmission from the lower leg to the ski, with which the ski is controlled and controlled. Especially in professional skiing the forces acting on the ski are considerable and have to be compensated by the ski boot essentially by the foot, the ankle and the lower leg of the skier. The better the power transmission from the skier's body to the ski is guaranteed, the safer the ski can be mastered and the faster the ski can be driven.
- Claim 1 refers to a device for transmitting movement forces of a skier from the lower leg to the ski boot, in which according to the invention a cup-shaped molded body for wrapping the shin bone edge of the lower leg is provided as a one-piece tubular hard shell with an upper knee near area, a central calf area and a lower area near the foot is executed, wherein the molded body is slotted in the longitudinal direction and only the lower area near the foot in the position of use forms a bearing surface which can be enclosed by the shaft of the ski boot.
- the molded body is worn on the lower leg and extends from the knee area of the lower leg to just above the upper ankle. He is thus embraced in the use position in its lower, near the foot areas of the shaft of the ski boot.
- the central calf area encompasses in the position of use at least partially the calf of the athlete and in particular the calf muscle (musculus gastrocnemius) and is therefore in use position outside the shaft of the ski boot.
- the molded body also provides protection against friction, knocks or cuts by ski edges and further prevents leg skin inflammation of the shin bone and overloading of the tibia by permanent pressure of the ski boot.
- the molding body does not completely surround the lower leg in its circumference, but only partially, since otherwise it would hardly be possible to apply the molding.
- the shaped body is designed so that the shaped body forms a tubular, slotted longitudinally contact surface. He thus encloses the lower leg in its circumference almost completely, but is open in the calf area. Thus, it has a bending elasticity about its longitudinal axis, which facilitates the application of the molding. By almost completely wrapping the lower leg can be done not only in flexion of the knee improved power transmission over the molded body, but also with lateral weight shifts of the skier.
- the shaped body can be made thicker in its central regions than in its mutually facing edge regions, so that it has the highest rigidity along the shin bone edge and becomes ever softer in the direction of the fibula bone.
- this embodiment increases the flexural elasticity and, on the other hand, represents a compromise between the greatest possible hardness and wearing comfort.
- the material proposed is, for example, carbon fiber prepregs, as will be explained in more detail, since this material makes it possible despite the required shell-shaped very thin design Nevertheless, molded body to produce a dimensionally stable and hard molded body, which is still very light.
- Fig. 1-3 show a first embodiment of a shaped body 1 according to the invention in the position of use.
- the molded body 1 was created on the lower leg 2 of a skier and extends from the knee near area of the lower leg 2 to the foot near the area of the lower leg 2.
- the knee 8 is marked.
- the points in the Fig. 1-3 Shaped body 1 shown an upper knee near area 1a, a central calf area 1b and a lower foot near area 1c.
- a ski socks or a race suit can be covered, which also covers the molded body 1.
- the molded body 1 is therefore not visible.
- the Fig. 1-3 As in particular from the Fig.
- the molded body 1 encloses the lower leg in its circumference almost completely and has a longitudinally extending slot 7, so that it is open along the fibula.
- the molded body 1 is thus tubular and forms a tubular, slotted longitudinally contact surface. It also has a slight bending elasticity about its longitudinal axis, which facilitates the application of the molded body 1.
- the Fig. 4 shows the use of the molded body 1 during sports practice.
- the skier stands with his foot 3 in a ski boot 4, wherein the foot near area 1c of the applied molded body 1 is encompassed by the shaft 5 of the ski boot 4 and forms a contact surface for the shaft 5 as soon as the buckles 6 of the ski boot 4 are closed.
- the lower, foot near area 1c of the molded body 1 lies between the lower leg 2 and the inner surface of the shaft 5 in each case in close contact.
- the upper, knee-near region 1a and the central calf region 1b of the molded body 1 project beyond the shaft 5 and lie only in close contact with the lower leg 2.
- This arrangement now enables a precise transmission of movements of the lower leg 2 on the ski boot 4 and thus the ski.
- shell 1 acts as a lever which acts on the shaft 5 of the ski boot 4.
- the molded body 1 is designed as a one-piece hard shell and remains open only at the back about 1 to 3 cm.
- the molded body 1 is further constructed to have the highest rigidity along the shin bone edge and to the rear side becomes softer, so that the bending elasticity of the molded body 1 is increased and the application of the molded body 1 is facilitated.
- the dimensions and the rigidity of the molded body 1 can of course be tailored to the needs of the respective skier.
- padding on the shin bone edge can be incorporated if necessary and be performed different thickness depending on the needs of the athlete.
- velcro surfaces are arranged on the front side of the molded body 1 in order to ensure a fixation, for example, of stockings, such as football protectors.
- the molded body 1 can be worn directly on the skin or over a thin stocking.
- the fixation of the molded body 1 on the lower leg 2 can be additionally reinforced with a hook and loop fastener on the back.
- the thinnest type of fixation is with a tape tape.
- the molded body 1 may have on its inside a thin cover, as it is known in orthopedics for orthoses, and which may also be used as a padding.
- the lower leg 2 and the foot 3 of the athlete are scanned by a 3D scanner with the aid of a laser beam and the contour of which is precisely determined without contact.
- the contour data can subsequently be used for the control of a CNC milling machine, whereby it is also possible to make changes to the foot or lower leg model using suitable processing software, such as overcorrections on the ankles or on the shin bone edge. These corrections can be made according to the need and need of the athlete.
- the corrected 3D numerical model is then transferred to the CNC mill, which mills a modeled material, such as hardwood, a modeled image of the lower leg 2 and the foot 3.
- the modeled image may further be obtained with a padding attached to the model with clips. Furthermore, sensitive foot areas such as the shin bone edge can be additionally padded with known orthopedic materials.
- layers of carbon fiber prepregs can be applied. These are commercially available duroplastic fiber-matrix semi-finished products from preimpregnated carbon fibers, but other materials would also be conceivable, such as prepregs with other fibers or thermoplastics. However, carbon fiber prepregs have the great advantage of particularly high rigidity and strength with a small weight. They can be applied to the model depending on the desired dimension and rigidity.
- the coated model can be cured under vacuum in the oven at about 80 degrees for 6-8 hours. After curing, the molded body 1 can still be finished, be ground to a desired size.
- a device is available to the skier, which allows him better control over the ski and improves the transmission of movement forces from the lower leg 2 on the ski boot 4.
- Over the molded body 1 can be exercised by a prolonged leverage of the ski boot 4, a faster and stronger pressure on the forefoot, so that the momentum can be triggered faster on the lower leg 2.
- the molded body 1 as mentioned also provides protection against friction, blows or cuts by ski edges and further prevents leg skin inflammations of the shin bone and overloading of the tibia by permanent pressure of the ski boot.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
Vorrichtung zur Übertragung von Bewegungskräften eines Skisportlers vom Unterschenkel (2) auf den Skischuh (4), bei der ein schalenförmiger Formkörper (1) zur Umhüllung der Schienbeinkante des Unterschenkels (2) mit einem knienahen und einem fußnahen Bereich vorgeschlagen wird, wobei der fußnahe Bereich in Gebrauchslage eine vom Schaft (5) des Skischuhs (4) umschließbare Anlagefläche bildet. Die Erfindung ermöglicht dem Skisportler eine bessere Kontrolle über den Ski, da durch eine mithilfe des Formkörpers (1) verlängerte Hebelwirkung des Skischuhs (4) ein schnellerer und stärkerer Druck auf den Vorfuß ausgeübt werden kann. Der Formkörper (1) stellt ferner einen Schutz gegen Reibungen, Schläge oder Schnitte durch Skikanten dar und beugt des Weiteren Beinhautentzündungen der Schienbeinkante und Überlastungen des Schienbeins durch permanenten Druck des Skischuhs vor.Device for transmitting movement forces of a skier from the lower leg (2) to the ski boot (4), in which a cup-shaped molded body (1) for wrapping the shin bone edge of the lower leg (2) is proposed with a knee-near and a foot-near area, wherein the foot near area in the position of use forms a contact surface which can be enclosed by the shaft (5) of the ski boot (4). The invention allows the skier better control over the ski, since a faster and stronger pressure can be exerted on the forefoot by means of a leverage effect of the ski boot (4) which is prolonged by means of the molded body (1). The molded body (1) also provides protection against friction, knocks or cuts by ski edges and further prevents leg skin inflammation of the shin bone and overloading of the tibia by permanent pressure of the ski boot.
Description
Die Erfindung bezieht sich auf eine Vorrichtung zur Übertragung von Bewegungskräften eines Skisportlers vom Unterschenkel auf den Skischuh gemäß dem Oberbegriff von Anspruch 1.The invention relates to a device for transmitting movement forces of a skier from the lower leg to the ski boot according to the preamble of
Im Skisport ist die gute Beherrschung der Ski entscheidend. Mithilfe eines in einer Skibindung des Skis montierten Skischuhs erfolgt eine Kraftübertragung vom Unterschenkel auf den Ski, mit der der Ski kontrolliert und gesteuert wird. Insbesondere im professionellen Skisport sind die auf den Ski wirkenden Kräfte beachtlich und müssen über den Skischuh im Wesentlichen vom Fuß, dem Sprunggelenk und dem Unterschenkel des Skisportlers kompensiert werden. Je besser die Kraftübertragung vom Körper des Skisportlers auf den Ski gewährleistet ist, desto sicherer kann der Ski beherrscht werden und desto schneller kann der Ski auch gefahren werden.In ski sports the good control of the skis is crucial. With the help of a ski boot mounted in a ski binding of the ski, a power transmission from the lower leg to the ski, with which the ski is controlled and controlled. Especially in professional skiing the forces acting on the ski are considerable and have to be compensated by the ski boot essentially by the foot, the ankle and the lower leg of the skier. The better the power transmission from the skier's body to the ski is guaranteed, the safer the ski can be mastered and the faster the ski can be driven.
Es ist nun das Ziel der Erfindung dem Skisportler eine Vorrichtung bereitzustellen, die ihm eine bessere Kontrolle über den Ski ermöglicht und die Übertragung von Bewegungskräften vom Unterschenkel auf den Skischuh verbessert.It is now the object of the invention to provide the ski racer with a device which allows him better control over the ski and improves the transmission of movement forces from the lower leg to the ski boot.
Dieses Ziel wird durch die Merkmale von Anspruch 1 erreicht. Anspruch 1 bezieht sich auf eine Vorrichtung zur Übertragung von Bewegungskräften eines Skisportlers vom Unterschenkel auf den Skischuh, bei der erfindungsgemäß ein schalenförmiger Formkörper zur Umhüllung der Schienbeinkante des Unterschenkels vorgesehen ist, der als eine einteilig röhrenförmige Hartschale mit einem oberen knienahen Bereich, einem mittigen Wadenbereich und einem unteren fußnahen Bereich ausgeführt ist, wobei der Formkörper in Längsrichtung geschlitzt ist und ausschließlich der untere fußnahe Bereich in Gebrauchslage eine vom Schaft des Skischuhs umschließbare Anlagefläche bildet.This object is achieved by the features of
Der Formkörper wird am Unterschenkel anliegend getragen und erstreckt sich vom Kniebereich des Unterschenkels bis knapp oberhalb des oberen Sprunggelenks. Er wird somit in Gebrauchslage in seinen unteren, fußnahen Bereichen vom Schaft des Skischuhs umgriffen. Der mittige Wadenbereich umgreift in Gebrauchslage zumindest teilweise die Wade des Sportlers und insbesondere den Wadenmuskel (Musculus gastrocnemius) und befindet sich in Gebrauchslage somit außerhalb des Schafts des Skischuhs. Dasselbe gilt selbstredend für den oberen, knienahen Bereich des Formkörpers. Da der schalenförmige Formkörper in Gebrauchslage einerseits an der Innenseite des Skischuhschafts anliegt und andererseits den Skischuhschaft überragt, können Kräfte vom Unterschenkel auf den Skischuh übertragen werden. Insbesondere kann über den Formkörper ein schnellerer und stärkerer Druck auf den Vorfuß durch eine verlängerte Hebelwirkung des Skischuhs ausgeübt werden. So kann der Schwung schneller über den Unterschenkel ausgelöst werden. Freilich stellt der Formkörper auch einen Schutz gegen Reibungen, Schläge oder Schnitte durch Skikanten dar und beugt des Weiteren Beinhautentzündungen der Schienbeinkante und Überlastungen des Schienbeins durch permanenten Druck des Skischuhs vor.The molded body is worn on the lower leg and extends from the knee area of the lower leg to just above the upper ankle. He is thus embraced in the use position in its lower, near the foot areas of the shaft of the ski boot. The central calf area encompasses in the position of use at least partially the calf of the athlete and in particular the calf muscle (musculus gastrocnemius) and is therefore in use position outside the shaft of the ski boot. The same applies, of course, for the upper, knee-near region of the molding. Since the cup-shaped molded body rests in the position of use on the one hand on the inside of the ski boot shaft and on the other hand projects beyond the ski boot shank, forces can be transmitted from the lower leg to the ski boot. In particular, a faster and stronger pressure on the forefoot can be exerted on the molded body by an extended lever effect of the ski boot. So the momentum can be triggered faster over the lower leg. Of course, the molded body also provides protection against friction, knocks or cuts by ski edges and further prevents leg skin inflammation of the shin bone and overloading of the tibia by permanent pressure of the ski boot.
Um die Kraftübertragung zu optimieren und den erfindungsgemäßen Formkörper innerhalb des Skischuhs tragen zu können, ist jedoch eine an den jeweiligen Sportler individuell angepasste, passgenaue Ausführung des Formkörpers erforderlich, da ansonsten das Tragen des Formkörpers große Beschwerden verursachen würde. Wie im Folgenden noch näher ausgeführt wird kommen hierzu vorzugsweise Verfahren zum Einsatz, die die Anfertigung herkömmlicher Gipsabdrucke des Unterschenkels vermeiden und stattdessen auf eine optische Abtastung des Unterschenkels mittels Laserstrahlen zurückgreifen, um die durch das Anlegen der Gipsbandagen für einen Gipsabdruck verursache leichte Kompression des Unterschenkels zu vermeiden und ein genaueres Abbild des Unterschenkels zu erhalten.In order to optimize the transmission of power and to be able to carry the molded body according to the invention within the ski boot, however, an individually tailored to the respective athlete, tailor-made execution of the molding is required, otherwise the wearing of the molding would cause great discomfort. As will be explained in more detail below, preferably methods are used which avoid the production of conventional plaster casts of the lower leg and instead resort to an optical scanning of the lower leg by means of laser beams in order to increase the slight compression of the lower leg caused by the application of the plaster bandages for a plaster cast avoid and get a more accurate image of the lower leg.
Der Formkörper umschließt den Unterschenkel in seinem Umfang nicht vollständig, sondern lediglich teilweise, da ansonsten ein Anlegen des Formkörpers kaum möglich wäre. Hierfür wird der Formkörper so ausgeführt, dass der Formkörper eine röhrenförmige, in Längsrichtung geschlitzte Anlagefläche bildet. Er umschließt somit den Unterschenkel in seinem Umfang annähernd vollständig, ist aber im Wadenbereich geöffnet. Somit weist er eine Biegeelastizität um seine Längsachse auf, die das Anlegen des Formkörpers erleichtert. Durch die annähernd vollständige Umhüllung des Unterschenkels kann des Weiteren nicht nur bei Flexion des Knies eine verbesserte Kraftübertragung über den Formkörper erfolgen, sondern auch bei seitlichen Gewichtsverlagerungen des Skisportlers.The molding body does not completely surround the lower leg in its circumference, but only partially, since otherwise it would hardly be possible to apply the molding. For this purpose, the shaped body is designed so that the shaped body forms a tubular, slotted longitudinally contact surface. He thus encloses the lower leg in its circumference almost completely, but is open in the calf area. Thus, it has a bending elasticity about its longitudinal axis, which facilitates the application of the molding. By almost completely wrapping the lower leg can be done not only in flexion of the knee improved power transmission over the molded body, but also with lateral weight shifts of the skier.
Des Weiteren kann der Formkörper in seinen zentralen Bereichen dicker ausgeführt sein als in seinen einander zugewandten Randbereichen, sodass er entlang der Schienbeinkante über die höchste Steifigkeit verfügt und in Richtung des Wadenbeins immer weicher wird. Diese Ausführung erhöht einerseits die Biegeelastizität und stellt andererseits einen Kompromiss zwischen größtmöglicher Härte und Tragekomfort dar. Als Werkstoff werden etwa Kohlenstofffaser-Prepregs vorgeschlagen, wie noch näher ausgeführt werden wird, da es dieser Werkstoff ermöglicht trotz der geforderten schalenförmigen -also sehr dünnen - Ausführung des Formkörpers trotzdem einen formstabilen und harten Formkörper zu fertigen, der aber dennoch sehr leicht ist.Furthermore, the shaped body can be made thicker in its central regions than in its mutually facing edge regions, so that it has the highest rigidity along the shin bone edge and becomes ever softer in the direction of the fibula bone. On the one hand, this embodiment increases the flexural elasticity and, on the other hand, represents a compromise between the greatest possible hardness and wearing comfort. The material proposed is, for example, carbon fiber prepregs, as will be explained in more detail, since this material makes it possible despite the required shell-shaped very thin design Nevertheless, molded body to produce a dimensionally stable and hard molded body, which is still very light.
Die Erfindung wird in weiterer Folge anhand von Ausführungsformen mithilfe der beiliegenden Zeichnungen näher erläutert. Es zeigen dabei die
-
Fig. 1 eine Seitenansicht einer Ausführungsform eines erfindungsgemäßen Formkörpers in Gebrauchslage, -
Fig. 2 eine Vorderansicht des Formkörpers derFig. 1 , -
Fig. 3 eine Rückansicht des Formkörpers derFig. 1 " und die -
Fig. 4 eine Seitenansicht des Formkörpers derFig. 1 in Gebrauchslage mit Skischuh.
-
Fig. 1 a side view of an embodiment of a shaped body according to the invention in the position of use, -
Fig. 2 a front view of the molding of theFig. 1 . -
Fig. 3 a rear view of the molding of theFig. 1 " and the -
Fig. 4 a side view of the molding of theFig. 1 in use position with ski boot.
Zunächst wird auf die
Die
Der Formkörper 1 ist als einteilige Hartschale ausgeführt und bleibt nur an der Rückseite etwa 1 bis 3 cm offen. Der Formkörper 1 ist ferner so konstruiert, dass er entlang der Schienbeinkante über die höchste Steifigkeit verfügt und zur Rückseite immer weicher wird, sodass die Biegeelastizität des Formkörpers 1 erhöht und das Anlegen des Formkörpers 1 erleichtert wird. Die Abmessungen und die Steifigkeit des Formkörpers 1 können freilich auf die Bedürfnisse des jeweiligen Skisportlers abgestimmt werden. Auch Polsterungen an der Schienbeinkante können bei Bedarf eingearbeitet und verschieden dick je nach Bedürfnis des Athleten ausgeführt werden. An der Vorderseite des Formkörpers 1 werden im Bedarfsfall Klettflächen angeordnet, um eine Fixierung beispielsweise von Strümpfen wie etwa bei Fußballschonern zu gewährleisten. Der Formkörper 1 kann direkt auf der Haut oder über einem dünnen Strumpf getragen werden. Die Fixierung des Formkörpers 1 am Unterschenkel 2 kann zusätzlich mit einem Klettverschluss an der Rückseite verstärkt werden. Die dünnste Art der Fixierung ist jedoch mit einem Tape-Band. Der Formkörper 1 kann auf seiner Innenseite einen dünnen Bezug aufweisen, wie er etwa in der Orthopädie für Orthesen bekannt ist, und der auch als Polsterung verwendet werden kann.The molded
Wie bereits erwähnt wurde, ist eine an den jeweiligen Sportler individuell angepasste passgenaue Ausführung des Formkörpers 1 erforderlich, da ansonsten das Tragen des Formkörpers 1 große Beschwerden verursachen würde. Zur Anfertigung des Formkörpers 1 werden der Unterschenkel 2 und der Fuß 3 des Athleten von einem 3D-Scanner mithilfe eines Laserstrahls abgetastet und deren Kontur berührungsfrei exakt ermittelt. Die Konturdaten können in weiterer Folge für die Steuerung einer CNC-Fräse verwendet werden, wobei es auch möglich ist, mithilfe geeigneter Bearbeitungssoftware Veränderungen am Fuß- oder Unterschenkelmodell vorzunehmen wie etwa Überkorrekturen an den Knöcheln oder an der Schienbeinkante. Diese Korrekturen können je nach Notwendigkeit und Bedarf des Athleten vorgenommen werden. Das korrigierte, numerische 3D-Modell wird anschließend der CNC-Fräse übertragen, die aus einem Modellierwerkstoff, beispielsweise Hartholz, ein modelliertes Abbild des Unterschenkels 2 und des Fußes 3 fräst.As already mentioned, an individually tailored to the respective athlete custom-fit execution of the
Das modellierte Abbild kann des Weiteren mit einer Polsterung bezogen werden, die mit Klammern am Modell befestigt wird. Des Weiteren können empfindliche Fußstellen wie etwa die Schienbeinkante mit bekannten Materialien aus der Orthopädietechnik zusätzlich gepolstert werden. Sobald alle Polsterungen angebracht wurden, können Schichten aus Kohlenstofffaser-Prepregs aufgebracht werden. Dabei handelt es sich um käuflich erwerbbare duroplastische Faser-Matrix-Halbzeuge aus vorimprägnierten Kohlenstofffasern, es wären jedoch auch andere Materialien denkbar, etwa Prepregs mit anderen Fasern oder thermoplastische Kunststoffe. Kohlenstofffaser-Prepregs verfügen jedoch über den großen Vorteil besonders hoher Steifigkeit und Festigkeit bei kleinem Gewicht. Sie können je nach gewünschter Abmessung und Steifigkeit auf das Modell aufgebracht werden. So können etwa in den zentralen Bereichen im Bereich der Schienbeinkante mehr Prepreg-Lagen aufgebracht werden als in den Randbereichen, sodass eine ausreichende Biegeelastizität für das Anlegen des Formkörpers 1 gewährleistet wird. Sobald alle Schichten aus Kohlenstofffaser-Prepregs aufgebracht wurden, kann das beschichtete Modell unter Unterdruck im Ofen bei ca. 80 Grad 6-8 Stunden ausgehärtet werden. Nach der Aushärtung kann der Formkörper 1 noch nachbearbeitet werden, etwa auf eine gewünschte Größe geschliffen werden.The modeled image may further be obtained with a padding attached to the model with clips. Furthermore, sensitive foot areas such as the shin bone edge can be additionally padded with known orthopedic materials. Once all upholstery has been applied, layers of carbon fiber prepregs can be applied. These are commercially available duroplastic fiber-matrix semi-finished products from preimpregnated carbon fibers, but other materials would also be conceivable, such as prepregs with other fibers or thermoplastics. However, carbon fiber prepregs have the great advantage of particularly high rigidity and strength with a small weight. They can be applied to the model depending on the desired dimension and rigidity. For example, in the central areas in the area of Shin edge more prepreg layers are applied than in the edge regions, so that a sufficient bending elasticity for the application of the molded
Somit steht dem Skisportler eine Vorrichtung bereit, die ihm eine bessere Kontrolle über den Ski ermöglicht und die Übertragung von Bewegungskräften vom Unterschenkel 2 auf den Skischuh 4 verbessert. Über den Formkörper 1 kann durch eine verlängerte Hebelwirkung des Skischuhs 4 ein schnellerer und stärkerer Druck auf den Vorfuß ausgeübt werden, sodass der Schwung schneller über den Unterschenkel 2 ausgelöst werden kann. Freilich stellt der Formkörper 1 wie erwähnt auch einen Schutz gegen Reibungen, Schläge oder Schnitte durch Skikanten dar und beugt des Weiteren Beinhautentzündungen der Schienbeinkante und Überlastungen des Schienbeins durch permanenten Druck des Skischuhs vor.Thus, a device is available to the skier, which allows him better control over the ski and improves the transmission of movement forces from the
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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ATA50694/2015A AT517561A1 (en) | 2015-07-31 | 2015-07-31 | Device for skiing |
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EP3124089A1 true EP3124089A1 (en) | 2017-02-01 |
EP3124089B1 EP3124089B1 (en) | 2018-06-13 |
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Family Applications (1)
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EP16180146.9A Not-in-force EP3124089B1 (en) | 2015-07-31 | 2016-07-19 | Device for skiing |
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AT (1) | AT517561A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB720140A (en) * | 1951-02-26 | 1954-12-15 | Walter Alfred George | Improvements in or relating to shinguards |
DE6751308U (en) * | 1968-08-31 | 1969-01-23 | Edmund Keller | PROTECTIVE CUFFS TO PROTECT THE SHIN AGAINST PRESSURE IN THE AREA OF THE SHAFT ON MOUNTAIN BOOTS, IN PARTICULAR SKI BOOTS |
FR2472399A1 (en) * | 1979-12-31 | 1981-07-03 | Boutboul Albert | Shin guard or similar made from foam covered PVC sheet - for convenience of fitting and dissipation of knocks |
EP0640363A1 (en) * | 1993-08-06 | 1995-03-01 | FILA SPORT S.p.A. | Impact protection element of anatomical shape for protecting a part of the user's body, particularly of an athlete |
WO2012049469A1 (en) * | 2010-10-12 | 2012-04-19 | Rikoset Ltd | Limb shield |
-
2015
- 2015-07-31 AT ATA50694/2015A patent/AT517561A1/en unknown
-
2016
- 2016-07-19 EP EP16180146.9A patent/EP3124089B1/en not_active Not-in-force
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB720140A (en) * | 1951-02-26 | 1954-12-15 | Walter Alfred George | Improvements in or relating to shinguards |
DE6751308U (en) * | 1968-08-31 | 1969-01-23 | Edmund Keller | PROTECTIVE CUFFS TO PROTECT THE SHIN AGAINST PRESSURE IN THE AREA OF THE SHAFT ON MOUNTAIN BOOTS, IN PARTICULAR SKI BOOTS |
FR2472399A1 (en) * | 1979-12-31 | 1981-07-03 | Boutboul Albert | Shin guard or similar made from foam covered PVC sheet - for convenience of fitting and dissipation of knocks |
EP0640363A1 (en) * | 1993-08-06 | 1995-03-01 | FILA SPORT S.p.A. | Impact protection element of anatomical shape for protecting a part of the user's body, particularly of an athlete |
WO2012049469A1 (en) * | 2010-10-12 | 2012-04-19 | Rikoset Ltd | Limb shield |
Also Published As
Publication number | Publication date |
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AT517561A1 (en) | 2017-02-15 |
EP3124089B1 (en) | 2018-06-13 |
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