WO2019126889A1 - Set of skis for training which comprise a pair of skis joined at the tip and a hinged handle accessory joined to said skis - Google Patents
Set of skis for training which comprise a pair of skis joined at the tip and a hinged handle accessory joined to said skis Download PDFInfo
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- WO2019126889A1 WO2019126889A1 PCT/CL2018/050136 CL2018050136W WO2019126889A1 WO 2019126889 A1 WO2019126889 A1 WO 2019126889A1 CL 2018050136 W CL2018050136 W CL 2018050136W WO 2019126889 A1 WO2019126889 A1 WO 2019126889A1
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- columns
- user
- ski
- learning
- sliding plates
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Classifications
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- 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
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C5/00—Skis or snowboards
- A63C5/06—Skis or snowboards with special devices thereon, e.g. steering devices
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C5/00—Skis or snowboards
- A63C5/06—Skis or snowboards with special devices thereon, e.g. steering devices
- A63C5/065—Anti-crossing devices
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C5/00—Skis or snowboards
- A63C5/16—Devices enabling skis to be used whilst held in a particular configuration with respect to each other, e.g. for training purposes
Definitions
- the present invention patent relates to an apparatus for learning the ski, specifically refers to an apparatus comprising two sliding plates and an element for support of the user, where this device allows said sliding plates to remain connected in a rotatable manner between yes to help the user maintain the angled position of the skid plates or skis.
- the general technical problem that the invention addresses has to do with the fixing of a certain position of the skis and with the vertical support of the user's body.
- ski position In learning the act of skiing, whether for recreational or sporting purposes, you must always learn a basic position of control of skidding, which consists in placing said skis at an angle between them with the vertex of the angle in the area front, this position is usually known as "wedge position".
- This position allows the user to control the speed, especially in the learning process, because if it is not done, it is impossible to stop the slippage and it is at that moment when the first accidents or falls occur that can be traumatic, especially for a boy.
- each of the support poles are independent of each other and move in a tilting manner on a single longitudinal axis to the skis, so that at the moment when the user adopts the maximum opening of the skis in position at an angle, said canes maintain the same initial height, since they are independent of each other, a fact that is not convenient in the learning process for a child especially, since once the legs are opened the whole body lowers, being convenient that the support Vertical also adapts to this new height, otherwise the balance is lost and a position is adopted that is not the correct or ideal to learn to ski, as the body lowers and the arms would be up.
- the present invention relates to an apparatus for learning the ski, specifically refers to an apparatus comprising two sliding plates and a user support element, where this apparatus allows said sliding plates remain rotatably connected to each other to help the user to maintain the angled position of the skid plates or skis.
- One of the objectives of the present invention is to provide an apparatus that allows the proper position of the skis to control the sliding of them.
- Still another objective is to provide means for the apparatus to be folded on itself to facilitate its transport and storage.
- Another objective of the invention is to provide an apparatus that allows the correct adaptation of the user's foot and that can use any footwear, without having to only use specialized shoes to perform the sport.
- the present invention comes to overcome the solutions provided by the prior art, because it allows to achieve the angled position of the skis, in a permanent, but rotating manner; because it allows for user support and where this support adapts to the height changes that occur with the opening of the legs to achieve the angled position; because the device allows its folding on itself to facilitate its storage or transport and because it allows the adaptation of any size and type of footwear used in the snow environment, without necessarily being specialized footwear.
- the invention relates to an apparatus for learning the ski comprising two slide plates and a user support element, where this apparatus allows said sliding plates to remain rotatably joined to each other to assist the user in maintaining the Angled posture of the plates.
- Said two sliding plates have connecting means rotatable to each other at their front end, to which are joined, with rotating and tilting means, support columns extending from said sliding plates to an upper handle for gripping the user, where said columns comprise pivoting attachment means to an articulated upper connector that joins said columns with said grip handle of the user.
- the rotary connecting means between the two sliding plates comprise a circular extension at each of its ends, where each circular extension comprises a circular recess in one of its faces to fit with the adjacent sliding plate; also having a central perforation through which passes a fixing element that acts as axis of rotation, which can be a bolt.
- the rotating and tilting means joining each of said columns with each of said sliding plates comprise a base plate joined to each of the sliding plates, which is internally connected, in a rotating manner, to the base of a tipping fixture, wherein said rotating union allows the tilting fixture to rotate about its axis relative to the base, so that that rotary motion is also transmitted to the column attached thereto.
- This rotary movement is what allows the columns to adapt to the opening of the sliding plates in combination with the tilting movement explained below.
- the aforementioned tilting clamping part also comprises side plates that hold a horizontal pin, where said pin acts as axis of rotation to which are attached each of the bases of said columns allowing them a tilting movement with respect to the de-slipping plates at the time in which the plates are separated from each other to increase the relative angle between them and obtain a wedge position with greater opening.
- each column With this swiveling and tilting movement, the columns are separated and diverged at the lower level driven by the sliding plates, so that this inclination that occurs in each of the columns causes the height of them to decrease and so both, the height of the user's support handle also decreases, allowing the arms and hands through which the user is supported, also to fall in accordance with the body's oscillations.
- Said means of pivoting connection of each column to the support handle comprises a joining piece attached to the upper end of each column, in whose upper edge it has an ear with a central perforation where an element of rotation axis passes which joins it to the upper connector articulate.
- Said articulated upper connector that joins the columns with the handle of grip of the user, comprises a central piece that has two lower grooves where the said ears of the connecting piece of the columns fit together and are joined, in an articulated manner, by the mentioned one. pin that allows a lateral tilting movement of said columns with respect to the articulated upper connector and in turn, with respect to the upper grip handle.
- Said upper grasping handle of the user comprises a pair of side pieces covered with non-slip material, located one at each end of a top bar, where the anti-slip material can be of the thermoplastic elastomeric type, preferably ethylvinylacetate (E.V.A.).
- the anti-slip material can be of the thermoplastic elastomeric type, preferably ethylvinylacetate (E.V.A.).
- the two sliding plates comprise an upper face, a lower face, a rear end and said front end, which is slightly inclined upwards to favor sliding.
- Said upper face of the sliding plates also comprise means for fastening the shoe, which consist of an elastic band transverse to the plate and close to the stop, so that the user inserts his footwear under this elastic band until he brakes at said stop .
- This elastic band facilitates the insertion and release of the user's foot in case of a fall or loss of balance.
- the upper face of the sliding plates also comprise a non-slip surface application which prevents the user's shoe from sliding on the surface of the upper face, which may be a textured sheet or abrasive material.
- the two sliding plates can be manufactured in any light, rigid, laminar material, selected from laminated wood, reinforced polymer or aluminum; while the columns can be manufactured in any light rigid material, selected among wood, reinforced polymer or aluminum, being able to be straight or to describe a soft curvature; they may also comprise a height adjustment mechanism, such as two axial sections that are inserted into each other and have a tightening mechanism that prevents their axial displacement, thereby allowing the apparatus to be adaptable to a wide range of user sizes. , so that its height is adjustable at the height of the user's hand or elbow so that it can support itself adequately and does not lose its balance.
- Figure 1 shows an isometric view of the apparatus.
- Figure 2 shows a top plan view of the apparatus.
- Figure 3 shows an isometric view in increasing detail of the apparatus of the joining area of the support columns with each of the sliding plates
- Figure 4 shows an isometric view in increasing detail of the apparatus of the joining area of the support columns with the upper connector and the handle.
- Figure 5 shows a side elevational view of the apparatus.
- Figure 6 shows a front elevation view of the apparatus where an alternative configuration of the columns is taught.
- the present invention relates to an apparatus (1) for learning the ski which comprises two sliding plates (10) having means of rotary connection (20) to each other at their front end ( 11), to which are joined, with rotating and tilting means (30), support columns (40) extending from said sliding plates (10) to an upper handle grip (50) of the user, where said columns (40) comprise lateral pivoting attachment means (60) to an articulated upper connector (70) joining said columns (40) with said grip handle (50) of the user.
- said rotary joining means (20) between the two sliding plates (10) comprise a circular extension (12) at each of its ends (11), where each circular extension (12) ) comprises a circular recess (13) in one of its faces for fitting with the adjacent sliding plate and in that it also comprises a central perforation through which passes a fixing element (14) that acts as axis of rotation.
- the rotary and tilting means (30) that join each of said columns (40) with each of said sliding plates (10) comprise, as shown in FIG. 3, a base plate (31) attached to each of the sliding plates (10), which is internally connected, in a rotatable manner, to the base (32) of a tilting clamping piece (33), wherein said rotary union allows the tilting clamping piece (33) ) turn on its axis with respect to the base (32).
- Said tilting clamping piece (33) also comprises side plates (34) that hold a horizontal pin (35), where said pin (35) acts as axis of rotation to which each of said columns (40) are attached allowing them a tilting movement with respect to the sliding plates (10).
- said pivoting attachment means (60) of each column (40) comprise a connecting piece (61) attached to the upper end of each column (40), on the upper edge of which has an ear (62) with a central bore (63) and said upper grip handle (50) of the user comprises a pair of side pieces
- (50) of the user comprises a central part having two lower grooves (71) where the said ears (62) of the connecting piece (61) of the columns (40) fit and are joined, in an articulated manner, by a pin (72) that allows a tilting movement of said columns (40) with respect to the articulated upper connector (70) and in turn, with respect to the upper grip handle (50).
- the two sliding plates (10) comprise an upper face (15), a lower face (16), a rear end (17) and said front end (11), which it is slightly inclined upwards; they comprise a stop (18) on the upper face (15) that limits the position of the user's shoe in its front area; further comprises means for fastening (19) the shoe consisting of an elastic band and an anti-slip surface application (80) (see FIG. 2) that prevents the user's shoe from sliding on the surface of the top face (15).
- the two sliding plates (10) are made of laminated wood or a reinforced polymer, while the columns are also made of a reinforced polymer, which allows them to comprise a height adjustment mechanism, such as two axial sections that are they embed one in the other and have a tightening mechanism (41) that prevents their axial displacement, as shown in FIG. 6.
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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)
Abstract
The present invention relates to an apparatus for learning to ski, which comprises two sliding plates and an element for supporting a user, the apparatus allowing the sliding plates to remain rotatably joined together, to help the user to maintain the angled position of the plates, wherein the two sliding plates have means for rotatably joining together at the front end thereof, there being joined to said plates, with rotary and rocking means, support columns that extend from the sliding plates to an upper gripping handle for the user, said columns comprising means for pivotable joining to an upper hinged connector that joins the columns to the user's gripping handle.
Description
CONJUNTO DE ESQUÍES PARA ENTRENAMIENTO QUE COMPRENDEN UN PAR DE ESQUÍES UNIDOS EN SU PUNTA Y UN ACCESORIO DE MANGO ARTICULADO UNIDO A DICHOS ESQUÍES SET OF TRAINING SKIES THAT INCLUDE A COUPLE OF SKIED UNITS AT THEIR TIP AND AN ARTICULATED HANDLE ACCESSORIES UNITED TO THESE SKIKS
MEMORIA DESCRIPTIVA DESCRIPTIVE MEMORY
La presente Patente de Invención tiene relación con un aparato para aprendizaje del esquí, específicamente se refiere a un aparato que comprende dos placas de deslizamiento y un elemento para apoyo del usuario, donde este aparato permite que dichas placas de deslizamiento permanezcan unidas de manera giratoria entre sí para ayudar al usuario a mantener la postura en ángulo de las placas de deslizamiento o esquíes. The present invention patent relates to an apparatus for learning the ski, specifically refers to an apparatus comprising two sliding plates and an element for support of the user, where this device allows said sliding plates to remain connected in a rotatable manner between yes to help the user maintain the angled position of the skid plates or skis.
Así, el problema técnico general que la invención aborda tiene que ver con la fijación de una posición determinada de los esquíes y con el apoyo vertical del cuerpo del usuario. Thus, the general technical problem that the invention addresses has to do with the fixing of a certain position of the skis and with the vertical support of the user's body.
DESCRIPCIÓN DEL ARTE PREVIO DESCRIPTION OF PREVIOUS ART
En el aprendizaje del acto de esquiar, ya sea con fines recreativos o deportivos, siempre se debe aprender una postura básica de control del deslizamiento de los esquíes, la que consiste en colocar dichos esquíes en ángulo entre ellos con el vértice del ángulo en la zona frontal, esta posición normalmente es conocida como“posición en cuña”. In learning the act of skiing, whether for recreational or sporting purposes, you must always learn a basic position of control of skidding, which consists in placing said skis at an angle between them with the vertex of the angle in the area front, this position is usually known as "wedge position".
Esta posición permite que el usuario controle la velocidad, especialmente en el proceso de aprendizaje, pues de no hacerse, se ve imposibilitado de frenar el deslizamiento y es en ese momento cuando se producen los primeros accidentes o caídas que pueden resultar traumáticas, especialmente para un niño. This position allows the user to control the speed, especially in the learning process, because if it is not done, it is impossible to stop the slippage and it is at that moment when the first accidents or falls occur that can be traumatic, especially for a boy.
Lina de las soluciones existentes más conocidas para asegurar la posición en ángulo de los esquíes, se ven descritas en los documentos de patente DE3734847 (Al), KR200468874Y1 y LTS2011109072 (Al), las que enseñan dispositivos que consiste en un accesorio que se une a las
puntas de cada esquí, donde este accesorio permite la unión pivotante de los esquíes; normalmente son piezas que se embuten o fijan en el extremo y que quedan unidas por un eje giratorio o por un brazo flexible. Lina of the best-known existing solutions for securing the angular position of the skis are described in patent documents DE3734847 (Al), KR200468874Y1 and LTS2011109072 (Al), which teach devices consisting of an accessory that joins the tips of each ski, where this accessory allows the pivoting union of the skis; They are usually pieces that are stuffed or fixed at the end and that are joined by a rotating shaft or by a flexible arm.
Estas soluciones si bien tienen la ventaja de adosarse a cualquier esquí, la solución no aborda el problema del apoyo del usuario para que no pierda equilibrio, hecho que es fundamental cuando se trata de niños pequeños o de usuarios temerosos. These solutions, although they have the advantage of being attached to any ski, the solution does not address the problem of user support so that it does not lose balance, a fact that is fundamental when dealing with young children or fearful users.
Otra de las soluciones existentes en el arte previo que aborda el problema del apoyo del usuario, es la descrita en la patente norteamericana US3567239 (A), donde se muestra un accesorio que se embute en las puntas de los esquíes y que poseen unas aberturas alineadas donde se introduce uno de los bastones a modo de eje de giro, de modo que el usuario logra apoyarse en uno de los bastones. Another existing solution in the prior art that addresses the problem of user support, is that described in the US patent US3567239 (A), which shows an accessory that is embedded in the tips of the skis and have aligned openings where one of the canes is introduced as a pivot axis, so that the user can lean on one of the canes.
Esta solución, si bien permite el apoyo del usuario, tiene la desventaja de que el punto de apoyo queda lejos del tronco del usuario, lo que no es adecuado en especial para un niño, como del mismo modo, no es posible controlar la apertura máxima de las piernas; adicionalmente, el apoyo frontal en un solo bastón tampoco es adecuado para el aprendizaje de la actividad, especialmente para niños, pues el cuerpo adopta una posición muy desequilibrante, toda vez que no permite una postura simétrica del tronco para asegurar el control de la apertura de piernas. This solution, while allowing user support, has the disadvantage that the point of support is far from the trunk of the user, which is not suitable especially for a child, as in the same way, it is not possible to control the maximum opening of the legs; additionally, the frontal support in a single cane is also not suitable for learning the activity, especially for children, since the body adopts a very unbalancing position, since it does not allow a symmetrical posture of the trunk to ensure control of the opening of the body. legs.
Finalmente, una de las soluciones que puede ser considerada como la más cercana, es la enseñada en el documento de patente CA1165350 (A), donde se describe un aparato que se une a los esquíes y cuenta con medios para unir los esquíes entre sí y posicionarlos en ángulo, aunque no de manera fija en la punta; también incorpora dos bastones de apoyo que se fijan a dicho aparato unidos uno a cada uno de los esquíes. Finally, one of the solutions that can be considered as the closest, is taught in the patent document CA1165350 (A), which describes a device that joins the skis and has means to join the skis together and position them at an angle, although not fixedly at the tip; it also incorporates two support rods that are attached to said apparatus attached one to each of the skis.
La diferencia y desventaja que esta solución tiene respecto de lo que la presente invención viene a proponer, es que por un lado, el accesorio es de factura más compleja, con piezas que pivotan y se articulan entre sí, pues la propuesta de esta patente del arte previo es
permitir no solo una posición en ángulo, sino que también paralelo y en desnivel entre los esquíes, como cuando uno camina lateralmente en la nieve. The difference and disadvantage that this solution has regarding what the present invention comes to propose, is that on the one hand, the accessory is more complex, with pivoting and articulating parts, since the proposal of this patent of the Previous art is allow not only a position at an angle, but also parallel and unevenness between the skis, as when one walks laterally in the snow.
También se ve que cada uno de los bastones de apoyo son independientes entre sí y se mueven de manera basculante en un solo eje longitudinal a los esquíes, por lo que en el momento en que el usuario adopta el máximo de apertura de los esquíes en posición en ángulo, dichos bastones mantienen la misma altura inicial, pues son independientes entre sí, hecho que no es conveniente en el proceso de aprendizaje para un niño especialmente, pues una vez que se abren las piernas el cuerpo completo baja, resultando conveniente que el apoyo vertical se adapte también a esa nueva altura, de otro modo se pierde el equilibrio y se adopta una postura que no es la correcta o ideal para aprender a esquiar, pues el cuerpo baja y los brazos quedarían arriba. It is also seen that each of the support poles are independent of each other and move in a tilting manner on a single longitudinal axis to the skis, so that at the moment when the user adopts the maximum opening of the skis in position at an angle, said canes maintain the same initial height, since they are independent of each other, a fact that is not convenient in the learning process for a child especially, since once the legs are opened the whole body lowers, being convenient that the support Vertical also adapts to this new height, otherwise the balance is lost and a position is adopted that is not the correct or ideal to learn to ski, as the body lowers and the arms would be up.
Por lo antes mencionado, es deseable disponer de una solución que permita asegurar una posición del usuario en cuña de los esquíes y que también tenga un apoyo de los brazos para no perder el equilibrio. For the aforementioned, it is desirable to have a solution that allows securing a position of the user in the wedge of the skis and also having a support of the arms so as not to lose balance.
BREVE DESCRIPCIÓN DE LA INVENCIÓN BRIEF DESCRIPTION OF THE INVENTION
La presente invención se refiere un aparato para aprendizaje del esquí, específicamente se refiere a un aparato que comprende dos placas de deslizamiento y un elemento para apoyo del usuario, donde este aparato permite que dichas placas de deslizamiento permanezcan unidas de manera giratoria entre sí para ayudar al usuario a mantener la postura en ángulo de las placas de deslizamiento o esquíes. The present invention relates to an apparatus for learning the ski, specifically refers to an apparatus comprising two sliding plates and a user support element, where this apparatus allows said sliding plates remain rotatably connected to each other to help the user to maintain the angled position of the skid plates or skis.
Uno de los objetivos de la presente invención es proveer un aparato que permita la posición adecuada de los esquíes para controlar el deslizamiento de ellos. One of the objectives of the present invention is to provide an apparatus that allows the proper position of the skis to control the sliding of them.
Otro de los objetivos es proveer un aparato que también otorgue medios de apoyo del usuario, a través de sus brazos, para no perder el equilibrio y que se adapte a los cambios de altura del usuario que se produce cuando se abren las piernas para lograr la posición en cuña.
Aún otro de los objetivos es proveer medios que permitan que la unión entre los esquíes sea fija, en el sentido que no se puedan separar fácilmente durante la práctica, pero que permitan un movimiento giratorio relativo entre ellos para generar la posición en ángulo. Another objective is to provide a device that also provides the user with means of support, through his arms, so as not to lose balance and that adapts to changes in height of the user that occurs when the legs are opened to achieve wedge position. Still another objective is to provide means that allow the union between the skis to be fixed, in the sense that they can not be easily separated during practice, but that they allow a relative rotational movement between them to generate the position at an angle.
Aún otro objetivo es proveer medios para que el aparato se pueda plegar sobre sí mismo para facilitar su transporte y guardado. Still another objective is to provide means for the apparatus to be folded on itself to facilitate its transport and storage.
Otro objetivo de la invención es proveer un aparato que permita la correcta adaptación del pie del usuario y que pueda usar cualquier calzado, sin tener que solo usar zapatos especializados para realizar el deporte. Another objective of the invention is to provide an apparatus that allows the correct adaptation of the user's foot and that can use any footwear, without having to only use specialized shoes to perform the sport.
Así, la presente invención viene a superar las soluciones aportadas por el arte previo, porque permite lograr la posición angulada de los esquíes, de manera permanente, pero giratoria; porque permite contar con un apoyo del usuario y donde este apoyo se adapta a los cambios de altura que se producen con la apertura de las piernas para lograr la posición angulada; porque el aparato permite su plegado sobre sí mismo para facilitar su guardado o transporte y porque permite la adaptación de cualquier tamaño y tipo de calzado usado en el ambiente de nieve, sin que necesariamente sea calzado especializado. Thus, the present invention comes to overcome the solutions provided by the prior art, because it allows to achieve the angled position of the skis, in a permanent, but rotating manner; because it allows for user support and where this support adapts to the height changes that occur with the opening of the legs to achieve the angled position; because the device allows its folding on itself to facilitate its storage or transport and because it allows the adaptation of any size and type of footwear used in the snow environment, without necessarily being specialized footwear.
Específicamente, la invención se refiere a un aparato para aprendizaje del esquí que comprende dos placas de deslizamiento y un elemento para apoyo del usuario, donde este aparato permite que dichas placas de deslizamiento permanezcan unidas de manera giratoria entre sí para ayudar al usuario a mantener la postura en ángulo de las placas. Specifically, the invention relates to an apparatus for learning the ski comprising two slide plates and a user support element, where this apparatus allows said sliding plates to remain rotatably joined to each other to assist the user in maintaining the Angled posture of the plates.
Dichas dos placas de deslizamiento tienen medios de unión giratorio entre sí en su extremo frontal, a las que se unen, con medios giratorios y basculantes, columnas de apoyo que se extienden desde dichas placas de deslizamiento hasta un mango superior de agarre del usuario, donde dichas columnas comprenden medios de unión pivotante a un conector superior articulado que une a dichas columnas con dicho mango de agarre del usuario.
Los medios de unión giratorio entre las dos placas de deslizamiento comprenden una extensión circular en cada uno de sus extremos, donde cada extensión circular comprende un rebaje circular en una de sus caras para encaje con la placa de deslizamiento adyacente; teniendo también una perforación central por donde pasa un elemento de fijación que actúa como eje de giro, el que puede ser un perno. Said two sliding plates have connecting means rotatable to each other at their front end, to which are joined, with rotating and tilting means, support columns extending from said sliding plates to an upper handle for gripping the user, where said columns comprise pivoting attachment means to an articulated upper connector that joins said columns with said grip handle of the user. The rotary connecting means between the two sliding plates comprise a circular extension at each of its ends, where each circular extension comprises a circular recess in one of its faces to fit with the adjacent sliding plate; also having a central perforation through which passes a fixing element that acts as axis of rotation, which can be a bolt.
Los medios giratorios y basculantes que unen a cada una de dichas columnas con cada una de dichas placas de deslizamiento comprenden una placa base unida a cada una de las placas de deslizamiento, la que se une internamente, de manera giratoria, a la base de una pieza de sujeción basculante, donde dicha unión giratoria permite que la pieza de sujeción basculante gire en su eje respecto de la base, de modo que ese movimiento giratorio se transmita también a la columna unida a ella. Este movimiento giratorio es el que permite que las columnas se adapten a la apertura de las placas de deslizamiento en combinación con el movimiento basculante que se explica a continuación. The rotating and tilting means joining each of said columns with each of said sliding plates comprise a base plate joined to each of the sliding plates, which is internally connected, in a rotating manner, to the base of a tipping fixture, wherein said rotating union allows the tilting fixture to rotate about its axis relative to the base, so that that rotary motion is also transmitted to the column attached thereto. This rotary movement is what allows the columns to adapt to the opening of the sliding plates in combination with the tilting movement explained below.
La señalada pieza de sujeción basculante comprende también unas placas laterales que sostienen un pasador horizontal, donde dicho pasador actúa como eje de giro al que están unidas cada una de las bases de las mencionadas columnas permitiéndoles un movimiento basculante respecto de las placas dedeslizamiento en el momento en que las placas se separan entre sí para aumentar el ángulo relativo entre ellas y obtener una posición en cuña de mayor apertura. The aforementioned tilting clamping part also comprises side plates that hold a horizontal pin, where said pin acts as axis of rotation to which are attached each of the bases of said columns allowing them a tilting movement with respect to the de-slipping plates at the time in which the plates are separated from each other to increase the relative angle between them and obtain a wedge position with greater opening.
Con este movimiento giratorio y basculante, se logra que las columnas se separen y diverjan a nivel inferior impulsadas por las placas de deslizamiento, de modo que esta inclinación que se produce en cada una de las columnas hace que la altura de ellas disminuya y por lo tanto, disminuye también la altura del mango de apoyo del usuario, permitiendo que los brazos y manos a través de los cuales el usuario se soporta, también bajen en concordancia con las oscilaciones del cuerpo.
Dichos medios de unión pivotante de cada columna al mango de apoyo comprenden una pieza de unión adosada al extremo superior de cada columna, en cuyo borde superior presenta una oreja con una perforación central donde pasa un elemento de eje de giro que la une al conector superior articulado. With this swiveling and tilting movement, the columns are separated and diverged at the lower level driven by the sliding plates, so that this inclination that occurs in each of the columns causes the height of them to decrease and so both, the height of the user's support handle also decreases, allowing the arms and hands through which the user is supported, also to fall in accordance with the body's oscillations. Said means of pivoting connection of each column to the support handle comprises a joining piece attached to the upper end of each column, in whose upper edge it has an ear with a central perforation where an element of rotation axis passes which joins it to the upper connector articulate.
Dicho conector superior articulado que une a las columnas con el mango de agarre del usuario, comprende una pieza central que tiene dos ranuras inferiores donde encajan las mencionadas orejas de la pieza de unión de las columnas y quedan unidas, de manera articulada, por el mencionado pasador que permite un movimiento basculante lateral de dichas columnas respecto del conector superior articulado y a su vez, respecto del mango superior de agarre. Said articulated upper connector that joins the columns with the handle of grip of the user, comprises a central piece that has two lower grooves where the said ears of the connecting piece of the columns fit together and are joined, in an articulated manner, by the mentioned one. pin that allows a lateral tilting movement of said columns with respect to the articulated upper connector and in turn, with respect to the upper grip handle.
Dicho mango superior de agarre del usuario comprende un par de piezas laterales revestidas con material antideslizante, ubicadas una en cada extremo de una barra superior, donde el material antideslizante puede ser del tipo termoplástico elastómero, preferentemente etilvinilacetato (E.V.A.). Said upper grasping handle of the user comprises a pair of side pieces covered with non-slip material, located one at each end of a top bar, where the anti-slip material can be of the thermoplastic elastomeric type, preferably ethylvinylacetate (E.V.A.).
Las dos placas de deslizamiento comprenden una cara superior, una inferior, un extremo posterior y el mencionado extremo frontal, el que se encuentra levemente inclinado hacia arriba para favorecer el deslizamiento. En su cara superior comprenden un tope que limita la posición del zapato del usuario en su zona frontal, el que puede tener una altura no mayor a la de un calzado y de un ancho coincidente con el ancho de la placa de deslizamiento, mientras que es adecuada la incorporación de una cavidad para adaptación de la punta del calzado. The two sliding plates comprise an upper face, a lower face, a rear end and said front end, which is slightly inclined upwards to favor sliding. On its upper face they comprise a stop that limits the position of the user's shoe in its frontal zone, which can have a height no greater than that of a shoe and of a width coinciding with the width of the sliding plate, while it is adequate the incorporation of a cavity for adaptation of the footwear tip.
Dicha cara superior de las placas de deslizamiento también comprenden medios para sujeción del zapato, que consisten en una banda elástica transversal a la placa y cercana al tope, de modo que el usuario introduce su calzado bajo esta banda elástica hasta que frena en el mencionado tope. Esta banda elástica facilita la inserción y liberación del pie del usuario en caso de una caída o pérdida del equilibrio.
La cara superior de las placas de deslizamiento también comprenden una aplicación superficial antideslizante que impide que el zapato del usuario se deslice en la superficie de la cara superior, la que puede ser una lámina texturada o de material abrasivo. Said upper face of the sliding plates also comprise means for fastening the shoe, which consist of an elastic band transverse to the plate and close to the stop, so that the user inserts his footwear under this elastic band until he brakes at said stop . This elastic band facilitates the insertion and release of the user's foot in case of a fall or loss of balance. The upper face of the sliding plates also comprise a non-slip surface application which prevents the user's shoe from sliding on the surface of the upper face, which may be a textured sheet or abrasive material.
Las dos placas de deslizamiento pueden ser fabricadas en cualquier material rígido liviano laminar, seleccionado entre madera laminada, polímero reforzado o aluminio; mientras que las columnas pueden ser fabricadas en cualquier material rígido liviano, seleccionado entre madera, polímero reforzado o aluminio, pudiendo ser de forma recta o describir una curvatura suave; también pueden comprender un mecanismo de regulación de altura, tal como dos secciones axiales que se embuten una en la otra y tienen un mecanismo de apriete que impide su desplazamiento axial, con ello permiten que el aparato sea adaptable a un amplio rango de tallas de usuario, de modo que su altura sea regulable a la altura de la mano o codo del usuario para que pueda apoyarse adecuadamente y no pierda el equilibrio. The two sliding plates can be manufactured in any light, rigid, laminar material, selected from laminated wood, reinforced polymer or aluminum; while the columns can be manufactured in any light rigid material, selected among wood, reinforced polymer or aluminum, being able to be straight or to describe a soft curvature; they may also comprise a height adjustment mechanism, such as two axial sections that are inserted into each other and have a tightening mechanism that prevents their axial displacement, thereby allowing the apparatus to be adaptable to a wide range of user sizes. , so that its height is adjustable at the height of the user's hand or elbow so that it can support itself adequately and does not lose its balance.
DESCRIPCIÓN DE LAS FIGURAS DESCRIPTION OF THE FIGURES
Una descripción detallada de la invención se llevará a cabo en conjunto con las figuras que forman parte integral de esta presentación, donde: A detailed description of the invention will be carried out in conjunction with the figures that are an integral part of this presentation, where:
La figura 1 muestra una vista isométrica del aparato. Figure 1 shows an isometric view of the apparatus.
La figura 2 muestra una vista en planta superior del aparato. Figure 2 shows a top plan view of the apparatus.
La figura 3 muestra una vista isométrica en aumento de un detalle del aparato de la zona de unión de las columnas de apoyo con cada una de las placas de deslizamiento Figure 3 shows an isometric view in increasing detail of the apparatus of the joining area of the support columns with each of the sliding plates
La figura 4 muestra una vista isométrica en aumento de un detalle del aparato de la zona de unión de las columnas de apoyo con el conector superior y el mango. Figure 4 shows an isometric view in increasing detail of the apparatus of the joining area of the support columns with the upper connector and the handle.
La figura 5 muestra una vista en elevación lateral del aparato. Figure 5 shows a side elevational view of the apparatus.
La figura 6 muestra una vista en elevación frontal del aparato donde se enseña una alternativa de configuración de las columnas.
DESCRIPCIÓN DETALLADA DE LA MODALIDAD PREFERIDA Figure 6 shows a front elevation view of the apparatus where an alternative configuration of the columns is taught. DETAILED DESCRIPTION OF THE PREFERRED MODALITY
Tal como puede verse en la FIG.l, la presente invención se refiere a un aparato (1) para aprendizaje del esquí que comprende dos placas de deslizamiento (10) que tienen medios de unión giratorio (20) entre sí en su extremo frontal (11), a las que se unen, con medios giratorios y basculantes (30), columnas (40) de apoyo que se extienden desde dichas placas de deslizamiento (10) hasta un mango superior de agarre (50) del usuario, donde dichas columnas (40) comprenden medios de unión pivotante lateral (60) a un conector superior (70) articulado que une a dichas columnas (40) con dicho mango de agarre (50) del usuario. As can be seen in FIG. 1, the present invention relates to an apparatus (1) for learning the ski which comprises two sliding plates (10) having means of rotary connection (20) to each other at their front end ( 11), to which are joined, with rotating and tilting means (30), support columns (40) extending from said sliding plates (10) to an upper handle grip (50) of the user, where said columns (40) comprise lateral pivoting attachment means (60) to an articulated upper connector (70) joining said columns (40) with said grip handle (50) of the user.
Como mejor se ve en la FIG.2, dichos medios de unión giratorio (20) entre las dos placas de deslizamiento (10) comprenden una extensión circular (12) en cada uno de sus extremos (11), donde cada extensión circular (12) comprende un rebaje circular (13) en una de sus caras para encaje con la placa de deslizamiento adyacente y porque también comprende una perforación central por donde pasa un elemento de fijación (14) que actúa como eje de giro. As best seen in FIG. 2, said rotary joining means (20) between the two sliding plates (10) comprise a circular extension (12) at each of its ends (11), where each circular extension (12) ) comprises a circular recess (13) in one of its faces for fitting with the adjacent sliding plate and in that it also comprises a central perforation through which passes a fixing element (14) that acts as axis of rotation.
Los medios giratorios y basculantes (30) que unen a cada una de dichas columnas (40) con cada una de dichas placas de deslizamiento (10) comprenden, tal cual se aprecia en la FIG.3, una placa base (31) unida a cada una de las placas de deslizamiento (10), la que se une internamente, de manera giratoria, a la base (32) de una pieza de sujeción basculante (33), donde dicha unión giratoria permite que la pieza de sujeción basculante (33) gire en su eje respecto de la base (32). The rotary and tilting means (30) that join each of said columns (40) with each of said sliding plates (10) comprise, as shown in FIG. 3, a base plate (31) attached to each of the sliding plates (10), which is internally connected, in a rotatable manner, to the base (32) of a tilting clamping piece (33), wherein said rotary union allows the tilting clamping piece (33) ) turn on its axis with respect to the base (32).
Dicha pieza de sujeción basculante (33) comprende también unas placas laterales (34) que sostienen un pasador horizontal (35), donde dicho pasador (35) actúa como eje de giro al que están unidas cada una de las mencionadas columnas (40) permitiéndoles un movimiento basculante respecto de las placas deslizantes (10). Said tilting clamping piece (33) also comprises side plates (34) that hold a horizontal pin (35), where said pin (35) acts as axis of rotation to which each of said columns (40) are attached allowing them a tilting movement with respect to the sliding plates (10).
Como mejor se puede apreciar en la FIG.4, dichos medios de unión pivotante (60) de cada columna (40) comprenden una pieza de unión (61) adosada al extremo superior de cada
columna (40), en cuyo borde superior presenta una oreja (62) con una perforación central (63) y el mencionado mango superior de agarre (50) del usuario comprende un par de piezas lateralesAs best seen in FIG. 4, said pivoting attachment means (60) of each column (40) comprise a connecting piece (61) attached to the upper end of each column (40), on the upper edge of which has an ear (62) with a central bore (63) and said upper grip handle (50) of the user comprises a pair of side pieces
(51) revestidas con material antideslizante, ubicadas una en cada extremo de una barra superior(51) coated with non-slip material, located one on each end of a top bar
(52). (52).
El conector superior articulado (70) que une a las columnas (40) con el mango de agarre The articulated upper connector (70) that joins the columns (40) with the grip handle
(50) del usuario, comprende una pieza central que tiene dos ranuras inferiores (71) donde encajan las mencionadas orejas (62) de la pieza de unión (61) de las columnas (40) y quedan unidas, de manera articulada, por un pasador (72) que permite un movimiento basculante de dichas columnas (40) respecto del conector superior articulado (70) y a su vez, respecto del mango superior de agarre (50). (50) of the user, comprises a central part having two lower grooves (71) where the said ears (62) of the connecting piece (61) of the columns (40) fit and are joined, in an articulated manner, by a pin (72) that allows a tilting movement of said columns (40) with respect to the articulated upper connector (70) and in turn, with respect to the upper grip handle (50).
Así como se puede apreciar en la FIG.5, las dos placas de deslizamiento (10) comprenden una cara superior (15), una inferior (16), un extremo posterior (17) y el mencionado extremo frontal (11), el que se encuentra levemente inclinado hacia arriba; comprenden un tope (18) en la cara superior (15) que limita la posición del zapato del usuario en su zona frontal; comprende además medios para sujeción (19) del zapato que consisten en una banda elástica y una aplicación superficial (80) antideslizante (ver FIG.2) que impide que el zapato del usuario se deslice en la superficie de la cara superior (15). As can be seen in FIG. 5, the two sliding plates (10) comprise an upper face (15), a lower face (16), a rear end (17) and said front end (11), which it is slightly inclined upwards; they comprise a stop (18) on the upper face (15) that limits the position of the user's shoe in its front area; further comprises means for fastening (19) the shoe consisting of an elastic band and an anti-slip surface application (80) (see FIG. 2) that prevents the user's shoe from sliding on the surface of the top face (15).
Las dos placas de deslizamiento (10) están fabricadas en madera laminada o un polímero reforzado, mientras que las columnas están fabricadas también en un polímero reforzado, lo que permite que puedan comprender un mecanismo de regulación de altura, tal como dos secciones axiales que se embuten una en la otra y tienen un mecanismo de apriete (41) que impide su desplazamiento axial, tal cual se ha ilustrado en la FIG.6.
The two sliding plates (10) are made of laminated wood or a reinforced polymer, while the columns are also made of a reinforced polymer, which allows them to comprise a height adjustment mechanism, such as two axial sections that are they embed one in the other and have a tightening mechanism (41) that prevents their axial displacement, as shown in FIG. 6.
Claims
1. Aparato (1) para aprendizaje del esquí que comprende dos placas de deslizamiento y un elemento para apoyo del usuario, donde este aparato permite que dichas placas de deslizamiento permanezcan unidas de manera giratoria entre sí para ayudar al usuario a mantener la postura en ángulo de las placas CARACTERIZADO porque dichas dos placas de deslizamiento (10) tienen medios de unión giratorio (20) entre sí en su extremo frontal (11), a las que se unen, con medios giratorios y basculantes (30), columnas (40) de apoyo que se extienden desde dichas placas de deslizamiento (10) hasta un mango superior de agarre (50) del usuario, donde dichas columnas (40) comprenden medios de unión pivotante (60) a un conector superior (70) articulado que une a dichas columnas (40) con dicho mango de agarre (50) del usuario. Apparatus (1) for ski learning comprising two skid plates and a user support element, where this apparatus allows said skid plates to remain rotatably joined together to assist the user in maintaining the posture at an angle of the plates CHARACTERIZED because said two sliding plates (10) have means for rotating connection (20) to each other at their front end (11), to which they are joined, with rotating and tilting means (30), columns (40) of support extending from said sliding plates (10) to an upper grip handle (50) of the user, wherein said columns (40) comprise pivoting attachment means (60) to an articulated upper connector (70) that joins said columns (40) with said grip handle (50) of the user.
2. Aparato para aprendizaje del esquí, de acuerdo a la reivindicación 1, CARACTERIZADO porque dichos medios de unión giratorio (20) entre las dos placas de deslizamiento (10) comprenden una extensión circular (12) en cada uno de sus extremos (11), donde cada extensión circular (12) comprende un rebaje circular (13) en una de sus caras para encaje con la placa de deslizamiento adyacente y porque también comprende una perforación central por donde pasa un elemento de fijación (14) que actúa como eje de giro. 2. Apparatus for learning the ski, according to claim 1, characterized in that said means of rotary connection (20) between the two sliding plates (10) comprise a circular extension (12) at each of its ends (11) , wherein each circular extension (12) comprises a circular recess (13) on one of its faces for fitting with the adjacent sliding plate and in that it also comprises a central perforation through which passes a fixing element (14) that acts as an axis of turn.
3. Aparato para aprendizaje del esquí, de acuerdo a la reivindicación 1, CARACTERIZADO porque los medios giratorios y basculantes (30) que unen a cada una de dichas columnas (40) con cada una de dichas placas de deslizamiento (10) comprenden una placa base (31) unida a cada una de las placas de deslizamiento (10), la que se une internamente, de manera giratoria, a la base (32) de una pieza de sujeción basculante (33), donde dicha unión giratoria permite que la pieza de sujeción basculante (33) gire en su eje respecto de la base (32). 3. Apparatus for learning the ski, according to claim 1, characterized in that the rotating and tilting means (30) that join each of said columns (40) with each of said sliding plates (10) comprise a plate base (31) attached to each of the sliding plates (10), which internally connects, in a rotatable manner, to the base (32) of a tilting clamping piece (33), wherein said rotating union allows the Tilting clamping piece (33) turn on its axis with respect to the base (32).
4. Aparato para aprendizaje del esquí, de acuerdo a la reivindicación 1, CARACTERIZADO porque dicha pieza de sujeción basculante (33) comprende también unas placas laterales (34) que sostienen un pasador horizontal (35), donde dicho pasador (35) actúa como eje de giro al que están unidas cada una de las mencionadas columnas (40) permitiéndoles un movimiento basculante respecto de las placas deslizantes (10). 4. Apparatus for learning the ski, according to claim 1, characterized in that said tilting clamping piece (33) also comprises side plates (34) that hold a horizontal pin (35), where said pin (35) acts as pivot axis to which are attached each of said columns (40) allowing them a tilting movement with respect to the sliding plates (10).
1
one
5. Aparato para aprendizaje del esquí, de acuerdo a la reivindicación 1, CARACTERIZADO porque dichos medios de unión pivotante (60) de cada columna (40) comprenden una pieza de unión (61) adosada al extremo superior de cada columna (40), en cuyo borde superior presenta una oreja (62) con una perforación central (63). 5. Apparatus for learning the ski, according to claim 1, characterized in that said pivoting joining means (60) of each column (40) comprise a connecting piece (61) attached to the upper end of each column (40), in the upper edge of which has an ear (62) with a central perforation (63).
6. Aparato para aprendizaje del esquí, de acuerdo a la reivindicación 1, CARACTERIZADO porque dicho mango superior de agarre (50) del usuario comprende un par de piezas laterales (51) revestidas con material antideslizante, ubicadas una en cada extremo de una barra superior (52). 6. Apparatus for learning the ski, according to claim 1, characterized in that said upper grip handle (50) of the user comprises a pair of side pieces (51) covered with non-slip material, located one at each end of a top bar (52).
7. Aparato para aprendizaje del esquí, de acuerdo a la reivindicación 1, CARACTERIZADO porque dicho conector superior articulado (70) que une a las columnas (40) con el mango de agarre (50) del usuario, comprende una pieza central que tiene dos ranuras inferiores (71) donde encajan las mencionadas orejas (62) de la pieza de unión (61) de las columnas (40) y quedan unidas, de manera articulada, por un pasador (72) que permite un movimiento basculante de dichas columnas (40) respecto del conector superior articulado (70) y a su vez, respecto del mango superior de agarre (50). 7. Apparatus for learning the ski, according to claim 1, characterized in that said articulated upper connector (70) that joins the columns (40) with the grip handle (50) of the user, comprises a central part that has two lower grooves (71) where said lugs (62) of the connecting piece (61) of the columns (40) fit and are joined, in an articulated manner, by a pin (72) that allows a tilting movement of said columns ( 40) with respect to the upper articulated connector (70) and in turn, with respect to the upper grip handle (50).
8. Aparato para aprendizaje del esquí, de acuerdo a la reivindicación 1, CARACTERIZADO porque las dos placas de deslizamiento (10) comprenden una cara superior (15), una inferior (16), un extremo posterior (17) y el mencionado extremo frontal (11), el que se encuentra levemente inclinado hacia arriba. 8. Apparatus for learning the ski, according to claim 1, characterized in that the two sliding plates (10) comprise an upper face (15), a lower face (16), a rear end (17) and said front end (11), which is slightly inclined upwards.
9. Aparato para aprendizaje del esquí, de acuerdo a la reivindicación 1, CARACTERIZADO porque las dos placas de deslizamiento (10) comprenden un tope (18) en la cara superior (15) que limita la posición del zapato del usuario en su zona frontal; comprende además medios para sujeción (19) del zapato que consisten en una banda elástica y una aplicación superficial (80) antideslizante que impide que el zapato del usuario se deslice en la superficie de la cara superior (15). 9. Apparatus for ski learning, according to claim 1, characterized in that the two sliding plates (10) comprise a stop (18) on the upper face (15) that limits the position of the user's shoe in its front area ; further comprises means for fastening (19) of the shoe consisting of an elastic band and a non-slip surface application (80) that prevents the user's shoe from sliding on the surface of the upper face (15).
10. Aparato para aprendizaje del esquí, de acuerdo a la reivindicación 1, CARACTERIZADO porque las dos placas de deslizamiento (10) pueden ser fabricadas en cualquier material rígido liviano laminar, seleccionado entre madera laminada, polímero reforzado o aluminio. 10. Apparatus for learning the ski, according to claim 1, characterized in that the two sliding plates (10) can be manufactured in any rigid lightweight material, selected from laminated wood, reinforced polymer or aluminum.
2
two
11. Aparato para aprendizaje del esquí, de acuerdo a la reivindicación 1, CARACTERIZADO porque dichas columnas (40) pueden ser fabricadas en cualquier material rígido liviano, seleccionado entre madera, polímero reforzado o aluminio. 11. Apparatus for ski learning, according to claim 1, characterized in that said columns (40) can be manufactured in any light rigid material, selected from wood, reinforced polymer or aluminum.
12. Aparato para aprendizaje del esquí, de acuerdo a la reivindicación 1, CARACTERIZADO porque dichas columnas (40) pueden comprender un mecanismo de regulación de altura, tal como dos secciones axiales que se embuten una en la otra y tienen un mecanismo de apriete (41) que impide su desplazamiento axial. 12. Apparatus for learning the ski, according to claim 1, characterized in that said columns (40) can comprise a height adjustment mechanism, such as two axial sections that are inserted into each other and have a tightening mechanism ( 41) that prevents its axial displacement.
3
3
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CL2017003364 | 2017-12-26 | ||
CL3364-2017 | 2017-12-26 |
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WO2019126889A1 true WO2019126889A1 (en) | 2019-07-04 |
Family
ID=67064313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CL2018/050136 WO2019126889A1 (en) | 2017-12-26 | 2018-12-19 | Set of skis for training which comprise a pair of skis joined at the tip and a hinged handle accessory joined to said skis |
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WO (1) | WO2019126889A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3088748A (en) * | 1961-02-13 | 1963-05-07 | Malmo Erling | Hard-packed snow skis |
US3567239A (en) * | 1969-02-26 | 1971-03-02 | Donald M Kitterman | Skiing instructional device |
US3992022A (en) * | 1975-06-06 | 1976-11-16 | Albers Frederic L | Device for teaching skiing |
US4363495A (en) * | 1979-08-20 | 1982-12-14 | Henson Kenneth A | Sloping-terrain vehicle |
US4643444A (en) * | 1985-07-15 | 1987-02-17 | Parkinson George L | Ski steering apparatus |
US4828288A (en) * | 1987-03-17 | 1989-05-09 | Charles Humbert | Device for linking ski tips |
-
2018
- 2018-12-19 WO PCT/CL2018/050136 patent/WO2019126889A1/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3088748A (en) * | 1961-02-13 | 1963-05-07 | Malmo Erling | Hard-packed snow skis |
US3567239A (en) * | 1969-02-26 | 1971-03-02 | Donald M Kitterman | Skiing instructional device |
US3992022A (en) * | 1975-06-06 | 1976-11-16 | Albers Frederic L | Device for teaching skiing |
US4363495A (en) * | 1979-08-20 | 1982-12-14 | Henson Kenneth A | Sloping-terrain vehicle |
US4643444A (en) * | 1985-07-15 | 1987-02-17 | Parkinson George L | Ski steering apparatus |
US4828288A (en) * | 1987-03-17 | 1989-05-09 | Charles Humbert | Device for linking ski tips |
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