EP3318309B1 - Device for lower end of a sports pole - Google Patents

Device for lower end of a sports pole Download PDF

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Publication number
EP3318309B1
EP3318309B1 EP17199771.1A EP17199771A EP3318309B1 EP 3318309 B1 EP3318309 B1 EP 3318309B1 EP 17199771 A EP17199771 A EP 17199771A EP 3318309 B1 EP3318309 B1 EP 3318309B1
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EP
European Patent Office
Prior art keywords
basket
end piece
sports pole
sports
tube
Prior art date
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Active
Application number
EP17199771.1A
Other languages
German (de)
French (fr)
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EP3318309A1 (en
Inventor
Frédéric Michel
Florence Mandon
Aurélien SORIA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Skis Rossignol SA
Original Assignee
Skis Rossignol SA
Rossignol SA
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Publication date
Application filed by Skis Rossignol SA, Rossignol SA filed Critical Skis Rossignol SA
Publication of EP3318309A1 publication Critical patent/EP3318309A1/en
Application granted granted Critical
Publication of EP3318309B1 publication Critical patent/EP3318309B1/en
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Classifications

    • 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
    • A63C11/22—Ski-sticks
    • A63C11/24—Rings for ski-sticks

Definitions

  • the invention relates to a device for the lower end of a sports stick, this device comprising in particular a tip and a basket. It also relates to a mouthpiece and a basket as such of such a lower end device of a sports stick. It also relates to a sports pole, in particular a ski pole, comprising such a lower end device. Finally, it also relates to a method of manufacturing a sports stick equipped with such a lower end device.
  • a sports stick can be used for skiing, walking or running. The user uses it both for its stability and also to exert a push. Such a stick therefore undergoes high stresses. It includes a lower end, usually a point, intended to come into contact with the ground, and a washer, intended to come into contact with snow to control the sticking of the stick in a layer of snow: according to the use of the stick , and in particular depending on the floor covering, different lower ends may be recommended.
  • a general object of the present invention is therefore to propose an improved architecture of the lower end of a sports stick, which includes the advantages of the solutions of the prior art described above but does not present all or part of their disadvantages.
  • the object of the invention is first to propose an adaptive solution for the lower end of a sports stick allowing its use under various conditions, in a flexible manner.
  • the invention is based on a lower end device for a sports stick according to claim 1.
  • the invention therefore relates to a basket for a lower end device of a sports stick, characterized in that it comprises a tube provided with a through internal opening suitable for fixing to a lower end of a sports stick. sport and in that it includes an anti-rotational device to guarantee its correct orientation around a sports stick.
  • the anti-rotational device may include at least one rib or a groove or a shoulder at an exterior surface of the tube.
  • the basket can be in one-piece form made of plastic material.
  • the basket may include an asymmetrically or symmetrically arranged washer arranged around the tube.
  • the washer may have a non-planar surface, at least part of its periphery being curved downwards.
  • the tube can have a length of between 1 and 6 cm.
  • the invention also relates to a tip for a lower end device of a sports stick intended to cooperate with a basket as described above, characterized in that it comprises an interior surface for housing a rod. a sports stick, a lower zone for the removable or non-removable attachment of a point, a tubular surface for the removable reception of a basket tube, an anti-rotational device for guarantee the correct orientation of a basket around a sports stick, an upper stop for a basket and an attachment zone for receiving a basket retaining ring.
  • the invention also relates to a lower end device for a sports stick, characterized in that it comprises a basket as described previously removably mounted on a nozzle as described above, the basket being held by a ring positioned at least partially under the basket and fixed on the nozzle.
  • the ring may include an elastic zone at its contact with the basket.
  • the basket washer may include a downwardly curved surface that at least partially covers the ring.
  • the invention also relates to a sports stick, characterized in that it comprises a lower end device as described above.
  • the invention therefore relates to a sports stick 1 as represented by the figure 1 .
  • This sports stick 1 comprises a metal rod 2 equipped with a handle in its upper part, intended for its gripping by a user, and provided with a wrist strap 3. It further comprises a lower end device 5 in its part lower.
  • This lower end device 5 includes a tip 10, a basket 20 and a ring 30.
  • the basket 20 is removable and allows the adaptation to different practices of the lower end of the sports stick, as will be detailed later.
  • the end piece 10 is intended for attachment to the lower end of the rod 2.
  • this attachment is final, that is to say non-removable. It can be implemented by any means, in particular by bonding.
  • this attachment thus has no impact on the structure of the lower part of the rod 2, and in particular does not require any drilling of the rod, which thus retains its mechanical properties intact.
  • a keying-type system is implemented to facilitate this operation of fixing the end piece on the end of the rod, for example by a tracking system for putting the end piece in the correct position, in particular in order to guarantee its correct orientation relative to the strap of the stick.
  • a tip 10 is particularly represented by the figures 3 to 5 . It comprises a generally tubular shape, comprising in particular an inner cylindrical opening 11 accessible from above, provided with longitudinal ribs 12. When it is fixed to a rod 2, the latter is inserted into the internal opening 11, up to a lower stop 13, which is particularly visible in the sectional view of the figure 8 .
  • the longitudinal ribs 12 participate in maintaining the final fixing of the end piece 10 on the rod 2 of the stick and reinforce it, in particular delimiting a space for accommodating an adhesive between the two surfaces to be fixed.
  • the internal opening 11 is slightly conical, its section decreasing downward to ensure an increasingly strong pressure during the insertion of the rod 2 until the final position.
  • the nozzle 10 comprises a longitudinal rib 14 on its outer surface, intended to cooperate with a corresponding groove 24 of a basket 20, as will be detailed later.
  • the end piece 10 comprises a larger diameter zone 15 in its upper part, forming a stop 16 for a basket 20. It further comprises a threaded part 17 in its lower part, for receiving a retaining ring 30.
  • it advantageously comprises a point 18 at its lower end, possibly removable, intended to sink into the ground when the stick is used.
  • the tip 18 is made of a very resistant material, for example of carbide. Note, the main forces exerted on the tip 18 are thus directly transmitted to the rigid rod 2 of the sports stick 5.
  • the axis of the tip 10 corresponds to the axis of the rod 2.
  • the point 18 is not arranged around this same axis, it is offset and has a particular orientation relative to the whole stick.
  • the end piece 10 is formed from rigid plastic material, for example a polyamide, a polyurethane, possibly a plastic loaded with fibers, or even metal. It can be presented in a monobloc form. It can be formed by a step of injection into a mold. It forms an intermediate element between the rod 2 of the stick and the basket 20, allowing a removable connection with a basket 20, which is described in detail below.
  • the lower end of the rod 2 of the sports stick could comprise a shape of tip type directly adapted to the reception of a basket, in which case a separate intermediate tip would no longer be necessary.
  • the figure 6 shows a top view of a basket 20 according to an embodiment of the invention, in addition to the perspective view of the figure 2 .
  • This basket 20 comprises a tube 22 forming an internal cylindrical opening 21 extending over the entire height of the basket 20, in a longitudinal direction. This opening is through.
  • This opening comprises a groove 24 of shape corresponding to the rib 14 of the end piece 10.
  • the internal diameter of this internal opening 21 corresponds to the external diameter of the tubular central part of the end piece 10.
  • the length L 20 of the tube 22 corresponds similarly to the length L 10 of the tubular central part of the end piece 10.
  • the tube 22 of the basket 20 is provided for insertion around the end piece 10, as will be detailed later.
  • the basket 20 further comprises a washer 25 arranged in its lower part.
  • This washer 25 extends over only part of the circumference of the tube 22. It is not symmetrically distributed around the tube 22, but it is asymmetrical.
  • the washer 25 is oriented from the same side of the stick as the wrist strap 3.
  • the washer 25 is connected to the tube 22 of the basket 20 by at least one reinforcing rib 26 extending longitudinally upwards.
  • the washer 25 according to the embodiment of the figure 6 has a substantially circular shape, seen from above, the center of which is offset from the axis of the tube 22.
  • the washer 25 is not planar, its peripheral ends are bent downwards. This geometry makes it possible to provide better attachment of the washer 25 to the ground and / or to the snow.
  • the washer could have a circular shape, arranged around the axis of the nozzle.
  • the basket 20 is intended for mounting on a nozzle 10 as described above.
  • An assembled configuration is illustrated by the figures 7 and 8 .
  • its tube 22 is inserted from below around the tubular part of the end piece 10, until its upper end abuts against the stop 16 of the end piece 10.
  • the diameter of this stop 16 corresponds to the outside diameter of the tube 22, so as to obtain a continuous outside surface at the junction between the two elements in their assembled position.
  • the groove 24 of the tube 22 is associated with the rib 14 of the end piece 10, guiding the positioning of the basket 20 and thus determining its orientation uniquely around the end piece 10, and more generally around the stick.
  • the groove 24 has dimensions (width and thickness) of the order of a millimeter.
  • the orientation of the basket 20 is such that the washer 25 of the basket 20 extends generally in a direction opposite to the orientation of the tip 18 of the nozzle 10 , and in the same direction as the wrist strap 3 of the sports stick 1.
  • the user points the stick forward, whose orientation of the tip 18 forwards allows of gain amplitude when planting the stick.
  • the tip sinks into the ground without being hindered by the washer, since the part of the tube 22 facing forward is free of any washer surface.
  • the washer 25 then prevents the stick from sinking too far, which facilitates its disengagement from the ground.
  • the basket 20 has a relatively simple shape, suitable for its manufacture by a step of injecting plastic material. It thus advantageously comes in a one-piece form.
  • the washer and the tube are advantageously formed in one piece, and in a single material, preferably plastic.
  • This material can for example be a polyamide, a polyurethane, or any other plastic material loaded or not with composite fibers.
  • the material of the basket 20 may be a metallic material.
  • the assembly is finalized by screwing a ring 30 into the threaded part 17 of the end piece 10.
  • the ring 30 is in one piece, mainly made of a single plastic material, which can for example be a polyamide. , a polyurethane, or any other plastic material loaded or not with composite fibers.
  • the material of the ring 30 may be a metallic material.
  • the ring 30 is inserted through the lower end of the nozzle 10, therefore of the sports stick. The arrangement is such that the ring 30 thus abuts against the lower surface of the tube 22 of the basket 20, to ensure its longitudinal locking, from below, on the end piece 10 and more generally on the sports stick.
  • the ring 30 is screwed onto the end piece 10 by cooperation of its internal threaded surface 32 with the threaded part 17 of the end piece.
  • the diameter of the ring is such that its outer surface comes in continuity with the tube 22.
  • the ring 30, particularly visible on the figure 10 comprises an elastic element 31, for example of highly deformable material such as an elastomer, in its part upper coming into contact with the basket 20, to absorb any shocks and stresses suffered at the level of contact with the basket 20, to avoid damaging the latter.
  • an elastomeric material can be directly overmolded on the ring 30, to form the elastic element 31: the latter is then directly fixed on the ring 30, which is in a monolithic form.
  • the ring 30 is at least partially covered by the washer 25 of the basket, due to its downward curvature, which thus protects it from external aggressions and therefore untimely unscrewing.
  • part of the ring 30 can come inside the tube 22 of the basket 20 in its screwed configuration, in a position protected from external aggressions.
  • the basket 20 holding function could be obtained by any other means than the screwed ring 30, by any means allowing the basket 20 to be maintained between two upper 16 and lower stops.
  • a retaining ring could be fixed in the lower part of the end piece, bearing (or lower stop) under the basket 20, by any means other than screwing, for example by clipping. This means is however reversible in order to be able to dismantle and reassemble the basket easily on the tip of the stick.
  • the removable holding element of the basket can be a plugged or clipped ring, or a part with tabs which engage in recesses made on the end piece.
  • the basket holding element is fixed to the end piece from below the end piece. It preferably comes to position itself at least partially under the basket when it maintains the basket.
  • the removable holding element of the basket can be a pin or a circlip, or a screw or a clipped part.
  • the basket holding element is fixed laterally on the end piece. It preferably comes to position itself at least partially under the basket when it maintains the basket.
  • the holding element may include contact with the basket when it is holding the basket and an elastic zone at its contact with the basket.
  • the tip includes an attachment zone for receiving the holding element.
  • the basket holding element comprises a surface forming a lower stop, that is to say a surface supporting the support of the basket in the event of an attempt to move the basket downwards, thus blocking the downward movement of the basket. basket on the mouthpiece.
  • the basket 20 and the tip 10 could have other shapes than those shown.
  • the basket 20 comprises a tube 22 of length L 20 sufficient to have significant mechanical strength. This length preferably corresponds to at least 50% of the total length Lt of the nozzle 10 (excluding tip 18), or even is greater than or equal to 60% of this length.
  • this length L 20 is between 1 and 6 cm.
  • the contact section between the ring 30 and the basket 20, forming a lower retaining stop for the basket 20, is located in the lower part of the end piece 10, preferably at a height L 30 less than or equal to 40% of the height total Lt of the tip 10, or even less than or equal to 30%. In the embodiment shown, this height L 30 therefore extends to the top of the thread of the threaded part 17.
  • the basket 20 and the end piece 10 may include any other arrangement making it possible to guarantee and maintain the orientation of the basket 20 relative to the end piece 10 or the sports stick 1.
  • This arrangement could have other forms than a groove / rib pair, which is optional, like any other anti-rotational device.
  • the variants shown on the figures 11 to 14 show embodiments in which the upper surfaces in contact respectively of the basket 20 and of the end piece 10, at the level of the stop 16, are not in a transverse plane, and preferably asymmetrical, to thus form another anti-binding solution -rotational.
  • the stop 16 of the nozzle 10 thus forms an asymmetrical shoulder.
  • the upper surface of the basket tube has a non-planar shape forming a shoulder corresponding to the stop 16 of the endpiece.
  • this surface is curved and continuous, and on the second variant of the figure 14 , it is discontinuous, forms steps. Any other geometry is possible, curved, straight, triangular, etc. In these variants, the elements are simplified and the assembly gains in robustness and reduces wear.
  • the sports stick 1 according to the embodiment can be modified by simply changing a basket.
  • this basket has a very simple shape, it is inexpensive.
  • the correct alignment between the point and the stick is directly carried out in the factory, which facilitates the rapid use of the stick by the user, who does not have to worry about the orientation of the point towards the front, opposite the wrist strap.
  • the basket is easy to assemble and disassemble.
  • the forces transmitted by the contact with the ground are directly transmitted to the rod 2 of the stick, via the end piece 10, relatively independently of the basket 20. The latter only undergoes any secondary support, for example on snow, and therefore does not support too great efforts.
  • FIGs 9a to 9c thus illustrate by way of examples different configurations of the same sports stick, on which different baskets 20 have been mounted, on the same end piece 10.
  • These baskets are alternatives to the basket described above, in particular represented by the figure 7 .
  • three separate baskets are provided, represented respectively by the Figures 7, 9a and 9b , which differ from each other by the overall surface and the shape of their washer 25.
  • These baskets are provided for use of the sports pole for skiing, for snow respectively less and less hard.
  • baskets comprising large washers are intended to be used for fresh snow but also very wet snow, and the baskets with washers of smaller diameters are intended for harder snow.
  • the figure 9c illustrates a fourth particular basket, which does not include a washer.
  • This basket 20 therefore reduces to its tube 22, and is particularly suitable for walking, or for the practice of ski on wheels or ski on rollers, in particular on a snow-free path. All the separate baskets include an identical tube 22.
  • the invention thus also relates to a sports stick equipped with a series of separate baskets, preferably at least three or four, to provide sufficient possibilities for modifications.

Landscapes

  • Mutual Connection Of Rods And Tubes (AREA)

Description

L'invention concerne un dispositif d'extrémité inférieure d'un bâton de sport, ce dispositif comprenant notamment un embout et un panier. Elle porte aussi sur un embout et un panier en tant que tels d'un tel dispositif d'extrémité inférieure d'un bâton de sport. Elle concerne aussi un bâton de sport, notamment de ski, comprenant un tel dispositif d'extrémité inférieure. Enfin, elle porte aussi sur un procédé de fabrication d'un bâton de sport équipé d'un tel dispositif d'extrémité inférieure.The invention relates to a device for the lower end of a sports stick, this device comprising in particular a tip and a basket. It also relates to a mouthpiece and a basket as such of such a lower end device of a sports stick. It also relates to a sports pole, in particular a ski pole, comprising such a lower end device. Finally, it also relates to a method of manufacturing a sports stick equipped with such a lower end device.

Un bâton de sport peut être destiné au ski, à la marche ou à la course à pied. L'utilisateur s'en sert à la fois pour sa stabilité et aussi pour exercer une poussée. Un tel bâton subit donc des contraintes élevées. Il comprend une extrémité inférieure, habituellement une pointe, destinée à venir en contact avec le sol, et une rondelle, destinée à venir en contact avec la neige pour maitriser l'enfoncement du bâton dans une couche de neige : selon l'utilisation du bâton, et notamment selon le revêtement du sol, différentes extrémités inférieures peuvent être recommandées.A sports stick can be used for skiing, walking or running. The user uses it both for its stability and also to exert a push. Such a stick therefore undergoes high stresses. It includes a lower end, usually a point, intended to come into contact with the ground, and a washer, intended to come into contact with snow to control the sticking of the stick in a layer of snow: according to the use of the stick , and in particular depending on the floor covering, different lower ends may be recommended.

Pour cela, une première solution de l'état de la technique est explicitée dans le document EP2308570 , qui décrit un bâton de sport formé d'une tige recevant en partie inférieure une pièce amovible formant l'intégralité de l'extrémité inférieure du bâton. Cette solution permet le changement de cette pièce amovible et l'adaptation du bâton aux conditions d'utilisation. L'utilisateur doit donc acquérir plusieurs pièces amovibles distinctes adaptées aux différentes conditions d'utilisation de son bâton de sport. Comme ces pièces amovibles subissent des contraintes très élevées, elles doivent se trouver dans des matériaux très résistants, notamment leur pointe. Ainsi, un inconvénient principal de cette solution provient de la complexité et du coût de ces pièces amovibles.For this, a first solution of the state of the art is explained in the document EP2308570 , which describes a sports stick formed of a rod receiving in the lower part a removable part forming the entirety of the lower end of the stick. This solution allows the change of this removable part and the adaptation of the stick to the conditions of use. The user must therefore acquire several separate removable parts adapted to the different conditions of use of his sports stick. As these removable parts are subjected to very high stresses, they must be found in very resistant materials, in particular their point. Thus, a main drawback of this solution comes from the complexity and the cost of these removable parts.

Une autre solution de l'état de la technique est décrite par le document EP2762212 . Elle repose aussi sur une pièce amovible comprenant des pattes élastiques munies d'ergots destinés à une insertion dans des trous de la tige du bâton. Cette solution présente le premier inconvénient d'être complexe, et le second inconvénient de nécessiter des perçages dans la partie basse de la tige du bâton, ce qui la fragilise. D'autres solutions sont présentées dans les documents DE202012104426U1 et WO2016/173827A1 présentant des systèmes anti-rotationnels et un élément de maintien amovible du panier.Another state-of-the-art solution is described in the document. EP2762212 . It also rests on a removable part comprising elastic tabs provided with lugs intended for insertion into holes in the rod rod. This solution has the first drawback of being complex, and the second drawback of requiring drilling in the lower part of the rod rod, which weakens it. Other solutions are presented in the documents DE202012104426U1 and WO2016 / 173827A1 having anti-rotational systems and a removable basket holding element.

Un objet général de la présente invention est donc de proposer une architecture améliorée de l'extrémité inférieure d'un bâton de sport, qui comprend les avantages des solutions de l'état de la technique décrites ci-dessus mais ne présente pas tout ou partie de leurs inconvénients.A general object of the present invention is therefore to propose an improved architecture of the lower end of a sports stick, which includes the advantages of the solutions of the prior art described above but does not present all or part of their disadvantages.

Plus précisément, l'invention a pour premier objet de proposer une solution adaptative de l'extrémité inférieure d'un bâton de sport permettant son utilisation dans des conditions variées, de manière flexible.More specifically, the object of the invention is first to propose an adaptive solution for the lower end of a sports stick allowing its use under various conditions, in a flexible manner.

Elle a pour second objet de proposer une solution simple, performante, et peu coûteuse.Its second object is to offer a simple, efficient and inexpensive solution.

A cet effet, l'invention repose sur un dispositif d'extrémité inférieure pour un bâton de sport suivant la revendication 1.To this end, the invention is based on a lower end device for a sports stick according to claim 1.

L'invention porte donc sur un panier pour dispositif d'extrémité inférieure d'un bâton de sport, caractérisé en ce qu'il comprend un tube doté d'une ouverture intérieure traversante adaptée pour une fixation sur une extrémité inférieure d'un bâton de sport et en ce qu'il comprend un dispositif anti-rotationnel pour garantir sa bonne orientation autour d'un bâton de sport.The invention therefore relates to a basket for a lower end device of a sports stick, characterized in that it comprises a tube provided with a through internal opening suitable for fixing to a lower end of a sports stick. sport and in that it includes an anti-rotational device to guarantee its correct orientation around a sports stick.

Le dispositif anti-rotationnel peut comprendre au moins une nervure ou une rainure ou un épaulement au niveau d'une surface extérieure du tube.The anti-rotational device may include at least one rib or a groove or a shoulder at an exterior surface of the tube.

Le panier peut se présenter sous une forme monobloc en matériau plastique.The basket can be in one-piece form made of plastic material.

Le panier peut comprendre une rondelle asymétriquement ou symétriquement agencée autour du tube.The basket may include an asymmetrically or symmetrically arranged washer arranged around the tube.

La rondelle peut présenter une surface non plane, au moins une partie de sa périphérie étant courbée vers le bas.The washer may have a non-planar surface, at least part of its periphery being curved downwards.

Le tube peut présenter une longueur comprise entre 1 et 6 cm.The tube can have a length of between 1 and 6 cm.

L'invention porte aussi sur un embout pour dispositif d'extrémité inférieure d'un bâton de sport destiné à coopérer avec un panier tel que décrit précédemment, caractérisé en ce qu'il comprend une surface intérieure pour le logement d'une tige d'un bâton de sport, une zone inférieure pour la fixation amovible ou non d'une pointe, une surface tubulaire pour la réception amovible d'un tube de panier, un dispositif anti-rotationnel pour garantir la bonne orientation d'un panier autour d'un bâton de sport, une butée supérieure pour un panier et une zone de fixation pour recevoir une bague de maintien d'un panier.The invention also relates to a tip for a lower end device of a sports stick intended to cooperate with a basket as described above, characterized in that it comprises an interior surface for housing a rod. a sports stick, a lower zone for the removable or non-removable attachment of a point, a tubular surface for the removable reception of a basket tube, an anti-rotational device for guarantee the correct orientation of a basket around a sports stick, an upper stop for a basket and an attachment zone for receiving a basket retaining ring.

L'invention porte aussi sur un dispositif d'extrémité inférieure pour un bâton de sport, caractérisé en ce qu'il comprend un panier tel que décrit précédemment monté de manière amovible sur un embout tel que décrit ci-dessus, le panier étant maintenu par une bague positionnée au moins partiellement sous le panier et fixée sur l'embout.The invention also relates to a lower end device for a sports stick, characterized in that it comprises a basket as described previously removably mounted on a nozzle as described above, the basket being held by a ring positioned at least partially under the basket and fixed on the nozzle.

La bague peut comprendre une zone élastique au niveau de son contact avec le panier.The ring may include an elastic zone at its contact with the basket.

La rondelle du panier peut comprendre une surface courbée vers le bas qui recouvre au moins partiellement la bague.The basket washer may include a downwardly curved surface that at least partially covers the ring.

L'invention porte aussi sur un bâton de sport, caractérisé en ce qu'il comprend un dispositif d'extrémité inférieure tel que décrit précédemment.The invention also relates to a sports stick, characterized in that it comprises a lower end device as described above.

Le bâton de sport peut comprendre au moins trois paniers distincts interchangeables, parmi lesquels :

  • un premier panier ne comprenant pas de rondelle ; et
  • un second panier et un troisième panier comprenant des rondelles de surfaces différentes.
The sports stick can include at least three separate interchangeable baskets, including:
  • a first basket not including a washer; and
  • a second basket and a third basket comprising washers of different surfaces.

L'invention porte aussi sur un procédé de fabrication d'un bâton de sport, caractérisé en ce qu'il comprend les étapes suivantes :

  • fixation d'un embout tel que décrit précédemment à l'extrémité d'une tige métallique du bâton de sport ;
  • fabrication d'un panier tel que décrit précédemment par une étape d'injection ou de moulage ;
  • fixation amovible du panier sur l'embout par l'intermédiaire d'une bague ou plus généralement d'un élément de maintien.
The invention also relates to a method of manufacturing a sports stick, characterized in that it comprises the following steps:
  • fixing a tip as described above at the end of a metal rod of the sports stick;
  • manufacture of a basket as described above by an injection or molding step;
  • removable attachment of the basket to the endpiece by means of a ring or more generally of a holding element.

Ces objets, caractéristiques et avantages de la présente invention seront exposés en détail dans la description suivante d'un mode d'exécution particulier fait à titre non-limitatif en relation avec les figures jointes parmi lesquelles :

  • La figure 1 représente un bâton de sport selon un mode de réalisation de l'invention.
  • La figure 2 représente une vue en perspective éclatée d'un dispositif d'extrémité inférieure pour bâton de sport selon un mode de réalisation de l'invention
  • La figure 3 représente une vue en perspective de dessus de l'embout selon le mode de réalisation de l'invention.
  • La figure 4 représente une vue de dessus de l'embout selon le mode de réalisation de l'invention.
  • La figure 5 représente une vue de côté de l'embout selon le mode de réalisation de l'invention.
  • La figure 6 représente une vue dessus d'un panier selon un mode de réalisation de l'invention.
  • La figure 7 représente une vue en perspective de la partie inférieure d'un bâton de sport équipé d'un dispositif d'extrémité inférieure selon un mode de réalisation de l'invention.
  • La figure 8 représente une vue en coupe de la partie inférieure d'un bâton de sport équipé d'un dispositif d'extrémité inférieure selon le mode de réalisation de l'invention.
  • Les figures 9a à 9c représentent des vues en perspective de la partie inférieure d'un bâton de sport équipé de trois paniers amovibles distincts de formes différentes selon un mode de réalisation de l'invention.
  • La figure 10 illustre une vue en perspective de dessus d'une bague selon un mode de réalisation de l'invention.
  • La figure 11 représente une vue de côté de la partie inférieure d'un bâton de sport équipée d'un dispositif d'extrémité inférieure selon une première variante du mode de réalisation de l'invention.
  • La figure 12 représente une vue de côté de la partie inférieure d'un bâton de sport équipée d'un embout pour dispositif d'extrémité inférieure selon la première variante du mode de réalisation de l'invention.
  • La figure 13 représente une vue de l'avant de la partie inférieure d'un bâton de sport selon la première variante du mode de réalisation de l'invention.
  • La figure 14 représente une vue de côté de la partie inférieure d'un bâton de sport équipée d'un dispositif d'extrémité inférieure selon une deuxième variante du mode de réalisation de l'invention.
These objects, characteristics and advantages of the present invention will be explained in detail in the following description of a particular embodiment made without limitation in relation to the attached figures, among which:
  • The figure 1 represents a sports stick according to an embodiment of the invention.
  • The figure 2 shows an exploded perspective view of a lower end device for a sports stick according to an embodiment of the invention
  • The figure 3 shows a perspective view from above of the nozzle according to the embodiment of the invention.
  • The figure 4 shows a top view of the tip according to the embodiment of the invention.
  • The figure 5 shows a side view of the nozzle according to the embodiment of the invention.
  • The figure 6 shows a top view of a basket according to an embodiment of the invention.
  • The figure 7 shows a perspective view of the lower part of a sports stick equipped with a lower end device according to an embodiment of the invention.
  • The figure 8 shows a sectional view of the lower part of a sports stick equipped with a lower end device according to the embodiment of the invention.
  • The Figures 9a to 9c represent perspective views of the lower part of a sports stick equipped with three separate removable baskets of different shapes according to an embodiment of the invention.
  • The figure 10 illustrates a perspective view from above of a ring according to an embodiment of the invention.
  • The figure 11 shows a side view of the lower part of a sports stick equipped with a lower end device according to a first variant of the embodiment of the invention.
  • The figure 12 shows a side view of the lower part of a sports stick equipped with a nozzle for a lower end device according to the first variant of the embodiment of the invention.
  • The figure 13 shows a front view of the lower part of a sports stick according to the first variant of the embodiment of the invention.
  • The figure 14 shows a side view of the lower part of a sports stick equipped with a lower end device according to a second variant of the embodiment of the invention.

Pour faciliter la description suivante, nous définissons par convention la direction longitudinale pour la direction dans le sens de la longueur d'un bâton, c'est-à-dire aussi dans la direction de la tige du bâton, et la direction transversale pour toute direction perpendiculaire à la direction longitudinale. De plus, nous utiliserons les adjectifs « supérieur » et « inférieur » dans cette direction longitudinale en considérant un bâton de sport positionné verticalement dans son utilisation normale.To facilitate the following description, we define by convention the longitudinal direction for the direction in the direction of the length of a stick, that is to say also in the direction of the rod of the stick, and the transverse direction for all direction perpendicular to the longitudinal direction. In addition, we will use the adjectives "upper" and "lower" in this longitudinal direction when considering a sports stick positioned vertically in normal use.

L'invention porte donc sur un bâton de sport 1 tel que représenté par la figure 1. Ce bâton de sport 1 comprend une tige métallique 2 équipée d'une poignée dans sa partie supérieure, destinée à sa préhension par un utilisateur, et munie d'une dragonne 3. Il comprend de plus un dispositif d'extrémité inférieure 5 dans sa partie inférieure.The invention therefore relates to a sports stick 1 as represented by the figure 1 . This sports stick 1 comprises a metal rod 2 equipped with a handle in its upper part, intended for its gripping by a user, and provided with a wrist strap 3. It further comprises a lower end device 5 in its part lower.

Ce dispositif d'extrémité inférieure 5, dont un mode de réalisation avantageux est représenté par la figure 2, comprend un embout 10, un panier 20 et une bague 30. Le panier 20 est amovible et permet l'adaptation à différentes pratiques de l'extrémité inférieure du bâton de sport, comme cela va être détaillé par la suite.This lower end device 5, an advantageous embodiment of which is represented by the figure 2 , includes a tip 10, a basket 20 and a ring 30. The basket 20 is removable and allows the adaptation to different practices of the lower end of the sports stick, as will be detailed later.

L'embout 10 est destiné à une fixation à l'extrémité inférieure de la tige 2. De préférence, cette fixation est définitive, c'est-à-dire non amovible. Elle peut être mise en œuvre par tous moyens, notamment par collage. De préférence, cette fixation n'a ainsi aucun impact sur la structure de la partie inférieure de la tige 2, et ne nécessite notamment aucun perçage de la tige, qui conserve ainsi ses propriétés mécaniques intactes. Avantageusement, un système de type détrompeur est mis en œuvre pour faciliter cette opération de fixation de l'embout sur l'extrémité de la tige, par exemple par un système de repérage pour la mise en bonne position de l'embout, notamment afin de garantir sa bonne orientation par rapport à la dragonne du bâton.The end piece 10 is intended for attachment to the lower end of the rod 2. Preferably, this attachment is final, that is to say non-removable. It can be implemented by any means, in particular by bonding. Preferably, this attachment thus has no impact on the structure of the lower part of the rod 2, and in particular does not require any drilling of the rod, which thus retains its mechanical properties intact. Advantageously, a keying-type system is implemented to facilitate this operation of fixing the end piece on the end of the rod, for example by a tracking system for putting the end piece in the correct position, in particular in order to guarantee its correct orientation relative to the strap of the stick.

Un embout 10 selon un mode de réalisation est particulièrement représenté par les figures 3 à 5. Il comprend une forme globalement tubulaire, comprenant notamment une ouverture intérieure 11 cylindrique accessible par le haut, munie de nervures 12 longitudinales. Lors de sa fixation sur une tige 2, cette dernière est insérée dans l'ouverture intérieure 11, jusqu'à une butée inférieure 13, particulièrement visible sur la vue en coupe de la figure 8. Les nervures 12 longitudinales participent au maintien de la fixation finale de l'embout 10 sur la tige 2 du bâton et la renforcent, délimitant notamment un espace pour loger une colle entre les deux surfaces à fixer. En variante, l'ouverture intérieure 11 est légèrement conique, sa section diminuant vers le bas pour assurer une pression de plus en plus forte lors de l'insertion de la tige 2 jusqu'en position finale.A tip 10 according to one embodiment is particularly represented by the figures 3 to 5 . It comprises a generally tubular shape, comprising in particular an inner cylindrical opening 11 accessible from above, provided with longitudinal ribs 12. When it is fixed to a rod 2, the latter is inserted into the internal opening 11, up to a lower stop 13, which is particularly visible in the sectional view of the figure 8 . The longitudinal ribs 12 participate in maintaining the final fixing of the end piece 10 on the rod 2 of the stick and reinforce it, in particular delimiting a space for accommodating an adhesive between the two surfaces to be fixed. As a variant, the internal opening 11 is slightly conical, its section decreasing downward to ensure an increasingly strong pressure during the insertion of the rod 2 until the final position.

D'autre part, l'embout 10 comprend une nervure 14 longitudinale sur sa surface extérieure, destinée à coopérer avec une rainure 24 correspondante d'un panier 20, comme cela sera détaillé par la suite. L'embout 10 comprend une zone de plus grand diamètre 15 dans sa partie supérieure, formant une butée 16 pour un panier 20. Il comprend de plus une partie filetée 17 dans sa partie inférieure, pour recevoir une bague 30 de maintien. Enfin, il comprend avantageusement une pointe 18 à son extrémité inférieure, éventuellement amovible, destinée à s'enfoncer dans le sol lors de l'utilisation du bâton. La pointe 18 se trouve dans un matériau très résistant, par exemple en carbure. En remarque, les efforts principaux exercés sur la pointe 18 sont ainsi directement transmis à la tige 2 rigide du bâton de sport 5. L'axe de l'embout 10 correspond à l'axe de la tige 2. En revanche, la pointe 18 n'est pas agencée autour de ce même axe, elle est désaxée et présente une orientation particulière par rapport à l'ensemble du bâton.On the other hand, the nozzle 10 comprises a longitudinal rib 14 on its outer surface, intended to cooperate with a corresponding groove 24 of a basket 20, as will be detailed later. The end piece 10 comprises a larger diameter zone 15 in its upper part, forming a stop 16 for a basket 20. It further comprises a threaded part 17 in its lower part, for receiving a retaining ring 30. Finally, it advantageously comprises a point 18 at its lower end, possibly removable, intended to sink into the ground when the stick is used. The tip 18 is made of a very resistant material, for example of carbide. Note, the main forces exerted on the tip 18 are thus directly transmitted to the rigid rod 2 of the sports stick 5. The axis of the tip 10 corresponds to the axis of the rod 2. On the other hand, the point 18 is not arranged around this same axis, it is offset and has a particular orientation relative to the whole stick.

Avantageusement, l'embout 10 est formé en matériau plastique rigide, par exemple un polyamide, un polyuréthane, éventuellement en un plastique chargé de fibres, ou encore en métal. Il peut se présenter sous une forme monobloc. Il peut être formé par une étape d'injection dans un moule. Il forme un élément intermédiaire entre la tige 2 du bâton et le panier 20, permettant une liaison amovible avec un panier 20, qui est décrit en détail ci-après. En variante, l'extrémité inférieure de la tige 2 du bâton de sport pourrait comprendre une forme de type embout directement adaptée à la réception d'un panier, auquel cas un embout distinct intermédiaire ne serait plus nécessaire.Advantageously, the end piece 10 is formed from rigid plastic material, for example a polyamide, a polyurethane, possibly a plastic loaded with fibers, or even metal. It can be presented in a monobloc form. It can be formed by a step of injection into a mold. It forms an intermediate element between the rod 2 of the stick and the basket 20, allowing a removable connection with a basket 20, which is described in detail below. As a variant, the lower end of the rod 2 of the sports stick could comprise a shape of tip type directly adapted to the reception of a basket, in which case a separate intermediate tip would no longer be necessary.

La figure 6 représente une vue de dessus d'un panier 20 selon un mode de réalisation de l'invention, en complément de la vue en perspective de la figure 2. Ce panier 20 comprend un tube 22 formant une ouverture intérieure 21 cylindrique s'étendant sur toute la hauteur du panier 20, dans une direction longitudinale. Cette ouverture est traversante. Cette ouverture comprend une rainure 24 de forme correspondant à la nervure 14 de l'embout 10. Le diamètre intérieur de cette ouverture intérieure 21 correspond au diamètre extérieur de la partie centrale tubulaire de l'embout 10. La longueur L20 du tube 22 correspond de même à la longueur L10 de la partir centrale tubulaire de l'embout 10. Ainsi, le tube 22 du panier 20 est prévu pour une insertion autour de l'embout 10, comme cela sera détaillé par la suite.The figure 6 shows a top view of a basket 20 according to an embodiment of the invention, in addition to the perspective view of the figure 2 . This basket 20 comprises a tube 22 forming an internal cylindrical opening 21 extending over the entire height of the basket 20, in a longitudinal direction. This opening is through. This opening comprises a groove 24 of shape corresponding to the rib 14 of the end piece 10. The internal diameter of this internal opening 21 corresponds to the external diameter of the tubular central part of the end piece 10. The length L 20 of the tube 22 corresponds similarly to the length L 10 of the tubular central part of the end piece 10. Thus, the tube 22 of the basket 20 is provided for insertion around the end piece 10, as will be detailed later.

Le panier 20 comprend de plus une rondelle 25 agencée dans sa partie inférieure. Cette rondelle 25 s'étend sur une partie seulement de la circonférence du tube 22. Elle n'est pas symétriquement répartie autour du tube 22, mais elle est asymétrique. La rondelle 25 est orientée du même côté du bâton que la dragonne 3. La rondelle 25 est reliée au tube 22 du panier 20 par au moins une nervure de renfort 26 s'étendant longitudinalement vers le haut. La rondelle 25 selon le mode de réalisation de la figure 6 présente une forme sensiblement circulaire, en vue de dessus, dont le centre est décalé par rapport à l'axe du tube 22. Avantageusement, la rondelle 25 n'est pas plane, ses extrémités périphériques sont courbées vers les bas. Cette géométrie permet d'offrir un meilleur accrochage de la rondelle 25 sur le sol et/ou la neige. En variante non représentée, la rondelle pourrait présenter une forme circulaire, agencée autour de l'axe de l'embout.The basket 20 further comprises a washer 25 arranged in its lower part. This washer 25 extends over only part of the circumference of the tube 22. It is not symmetrically distributed around the tube 22, but it is asymmetrical. The washer 25 is oriented from the same side of the stick as the wrist strap 3. The washer 25 is connected to the tube 22 of the basket 20 by at least one reinforcing rib 26 extending longitudinally upwards. The washer 25 according to the embodiment of the figure 6 has a substantially circular shape, seen from above, the center of which is offset from the axis of the tube 22. Advantageously, the washer 25 is not planar, its peripheral ends are bent downwards. This geometry makes it possible to provide better attachment of the washer 25 to the ground and / or to the snow. In a variant not shown, the washer could have a circular shape, arranged around the axis of the nozzle.

Le panier 20 est destiné à un montage sur un embout 10 tel que décrit précédemment. Une configuration assemblée est illustrée par les figures 7 et 8. Pour le montage du panier 20, son tube 22 est inséré par le bas autour de la partie tubulaire de l'embout 10, jusqu'à ce que son extrémité supérieure vienne en butée contre la butée 16 de l'embout 10. De préférence, le diamètre de cette butée 16 correspond au diamètre extérieur du tube 22, de sorte à obtenir une surface extérieure continue au niveau de la jonction entre les deux éléments dans leur position assemblée. Dans cet assemblage, la rainure 24 du tube 22 est associée à la nervure 14 de l'embout 10, guidant le positionnement du panier 20 et déterminant ainsi son orientation de manière unique autour de l'embout 10, et plus généralement autour du bâton. La rainure 24 possède des dimensions (largeur et épaisseur) de l'ordre du millimètre.The basket 20 is intended for mounting on a nozzle 10 as described above. An assembled configuration is illustrated by the figures 7 and 8 . For the mounting of the basket 20, its tube 22 is inserted from below around the tubular part of the end piece 10, until its upper end abuts against the stop 16 of the end piece 10. Preferably, the diameter of this stop 16 corresponds to the outside diameter of the tube 22, so as to obtain a continuous outside surface at the junction between the two elements in their assembled position. In this assembly, the groove 24 of the tube 22 is associated with the rib 14 of the end piece 10, guiding the positioning of the basket 20 and thus determining its orientation uniquely around the end piece 10, and more generally around the stick. The groove 24 has dimensions (width and thickness) of the order of a millimeter.

Selon ce mode de réalisation avantageux qui présente un dispositif anti-rotationnel, l'orientation du panier 20 est telle que la rondelle 25 du panier 20 s'étend globalement dans une direction opposée à l'orientation de la pointe 18 de l'embout 10, et dans la même direction que la dragonne 3 du bâton de sport 1. Ainsi, lors de l'utilisation du bâton, l'utilisateur pointe le bâton vers l'avant, dont l'orientation de la pointe 18 vers l'avant permet de gagner en amplitude lors du planté du bâton. Dans cette opération, la pointe s'enfonce dans le sol sans être gênée par la rondelle, étant donné que la partie du tube 22 orientée vers l'avant est libre de toute surface de rondelle. La rondelle 25 évite ensuite au bâton de trop s'enfoncer, ce qui facilite son désengagement du sol.According to this advantageous embodiment which has an anti-rotational device, the orientation of the basket 20 is such that the washer 25 of the basket 20 extends generally in a direction opposite to the orientation of the tip 18 of the nozzle 10 , and in the same direction as the wrist strap 3 of the sports stick 1. Thus, when using the stick, the user points the stick forward, whose orientation of the tip 18 forwards allows of gain amplitude when planting the stick. In this operation, the tip sinks into the ground without being hindered by the washer, since the part of the tube 22 facing forward is free of any washer surface. The washer 25 then prevents the stick from sinking too far, which facilitates its disengagement from the ground.

Le panier 20 présente une forme relativement simple, adaptée à sa fabrication par une étape d'injection de matériau plastique. Il se présente ainsi avantageusement sous une forme monobloc. La rondelle et le tube sont avantageusement formés en une seule pièce, et en un seul matériau, de préférence plastique. Ce matériau peut par exemple être un polyamide, un polyuréthane, ou toute autre matière plastique chargée ou non de fibres composites. En variante, le matériau du panier 20 peut être un matériau métallique.The basket 20 has a relatively simple shape, suitable for its manufacture by a step of injecting plastic material. It thus advantageously comes in a one-piece form. The washer and the tube are advantageously formed in one piece, and in a single material, preferably plastic. This material can for example be a polyamide, a polyurethane, or any other plastic material loaded or not with composite fibers. Alternatively, the material of the basket 20 may be a metallic material.

L'assemblage est finalisé par le vissage d'une bague 30 dans la partie filetée 17 de l'embout 10. Avantageusement, la bague 30 se présente sous une forme monobloc, principalement en un seul matériau plastique, qui peut par exemple être un polyamide, un polyuréthane, ou toute autre matière plastique chargée ou non de fibres composites. En variante, le matériau de la bague 30 peut être un matériau métallique. La bague 30 est insérée par l'extrémité inférieure de l'embout 10, donc du bâton de sport. L'agencement est tel que la bague 30 vient ainsi en butée contre la surface inférieure du tube 22 du panier 20, pour assurer son blocage longitudinal, par-dessous, sur l'embout 10 et plus généralement sur le bâton de sport. De préférence, la bague 30 est vissée sur l'embout 10 par coopération de sa surface intérieure filetée 32 avec la partie filetée 17 de l'embout. Le diamètre de la bague est tel que sa surface extérieure vient en continuité du tube 22. De préférence, la bague 30, particulièrement visible sur la figure 10, comprend un élément élastique 31, par exemple en matériau très déformable comme un élastomère, dans sa partie supérieure venant en contact avec le panier 20, pour amortir les éventuels chocs et contraintes subis au niveau du contact avec le panier 20, pour éviter d'endommager ce dernier. Pour cela, un matériau élastomère peut être directement surmoulé sur la bague 30, pour former l'élément élastique 31 : ce dernier est alors directement fixé sur la bague 30, qui se présente sous une forme monolithique. Cela présente l'avantage de rendre cette partie élastique solidaire de la bague 30, pour éviter de la perdre, tout en offrant une grande simplicité de fabrication. Enfin, selon ce mode de réalisation avantageux, la bague 30 est au moins partiellement recouverte par la rondelle 25 du panier, du fait de sa courbure vers le bas, ce qui la protège ainsi des agressions extérieures et donc des dévissages intempestifs. Selon une variante de réalisation, une partie de la bague 30 peut venir à l'intérieure du tube 22 du panier 20 dans sa configuration vissée, dans une position protégée des agressions extérieures.The assembly is finalized by screwing a ring 30 into the threaded part 17 of the end piece 10. Advantageously, the ring 30 is in one piece, mainly made of a single plastic material, which can for example be a polyamide. , a polyurethane, or any other plastic material loaded or not with composite fibers. Alternatively, the material of the ring 30 may be a metallic material. The ring 30 is inserted through the lower end of the nozzle 10, therefore of the sports stick. The arrangement is such that the ring 30 thus abuts against the lower surface of the tube 22 of the basket 20, to ensure its longitudinal locking, from below, on the end piece 10 and more generally on the sports stick. Preferably, the ring 30 is screwed onto the end piece 10 by cooperation of its internal threaded surface 32 with the threaded part 17 of the end piece. The diameter of the ring is such that its outer surface comes in continuity with the tube 22. Preferably, the ring 30, particularly visible on the figure 10 , comprises an elastic element 31, for example of highly deformable material such as an elastomer, in its part upper coming into contact with the basket 20, to absorb any shocks and stresses suffered at the level of contact with the basket 20, to avoid damaging the latter. For this, an elastomeric material can be directly overmolded on the ring 30, to form the elastic element 31: the latter is then directly fixed on the ring 30, which is in a monolithic form. This has the advantage of making this elastic part integral with the ring 30, to avoid losing it, while offering great simplicity of manufacture. Finally, according to this advantageous embodiment, the ring 30 is at least partially covered by the washer 25 of the basket, due to its downward curvature, which thus protects it from external aggressions and therefore untimely unscrewing. According to an alternative embodiment, part of the ring 30 can come inside the tube 22 of the basket 20 in its screwed configuration, in a position protected from external aggressions.

L'architecture décrite ci-dessus peut subir des modifications sans sortir du cadre de l'invention. Notamment, la fonction de maintien du panier 20 pourrait être obtenue par tout autre moyen que la bague 30 vissée, par tout moyen permettant le maintien du panier 20 entre deux butées supérieure 16 et inférieure. Par exemple, une bague de maintien pourrait être fixée en partie inférieure de l'embout, en appui (ou butée inférieure) sous le panier 20, par tout autre moyen qu'un vissage, par clipsage par exemple. Ce moyen est toutefois réversible pour pouvoir démonter et remonter le panier facilement sur l'embout du bâton.The architecture described above can undergo modifications without departing from the scope of the invention. In particular, the basket 20 holding function could be obtained by any other means than the screwed ring 30, by any means allowing the basket 20 to be maintained between two upper 16 and lower stops. For example, a retaining ring could be fixed in the lower part of the end piece, bearing (or lower stop) under the basket 20, by any means other than screwing, for example by clipping. This means is however reversible in order to be able to dismantle and reassemble the basket easily on the tip of the stick.

Ainsi, en variantes, l'élément de maintien amovible du panier peut être une bague pluggée ou clippée, ou une pièce avec pattes venant s'enclencher dans des évidements réalisés sur l'embout. Dans ces variantes, l'élément de maintien du panier est fixé sur l'embout par le dessous de l'embout. Il vient de préférence se positionner au moins partiellement sous le panier lors de son maintien du panier.Thus, in variants, the removable holding element of the basket can be a plugged or clipped ring, or a part with tabs which engage in recesses made on the end piece. In these variants, the basket holding element is fixed to the end piece from below the end piece. It preferably comes to position itself at least partially under the basket when it maintains the basket.

Selon d'autres variantes de réalisation, l'élément de maintien amovible du panier peut être une goupille ou un circlip, ou une vis ou une pièce clippée. Dans ces variantes, l'élément de maintien du panier est fixé de manière latérale sur l'embout. Il vient de préférence se positionner au moins partiellement sous le panier lors de son maintien du panier.According to other alternative embodiments, the removable holding element of the basket can be a pin or a circlip, or a screw or a clipped part. In these variants, the basket holding element is fixed laterally on the end piece. It preferably comes to position itself at least partially under the basket when it maintains the basket.

Dans toutes ces réalisations, l'élément de maintien peut comprendre un contact avec le panier lors de son maintien du panier et une zone élastique au niveau de son contact avec le panier. L'embout comprend une zone de fixation pour recevoir l'élément de maintien. La fonction de maintien du panier est ainsi mise en œuvre par la coopération de l'élément de maintien et de l'embout, qui présentent tous deux des formes complémentaires permettant la fixation amovible de l'élément de maintien sur l'embout.In all of these embodiments, the holding element may include contact with the basket when it is holding the basket and an elastic zone at its contact with the basket. The tip includes an attachment zone for receiving the holding element. The basket holding function is thus implemented by the cooperation of the holding element and the end piece, which both have complementary shapes allowing the removable fixing of the holding element on the end piece.

L'élément de maintien du panier comprend une surface formant une butée inférieure, c'est-à-dire une surface supportant l'appui du panier en cas de tentative de déplacement vers le bas du panier, bloquant donc le déplacement vers le bas du panier sur l'embout.The basket holding element comprises a surface forming a lower stop, that is to say a surface supporting the support of the basket in the event of an attempt to move the basket downwards, thus blocking the downward movement of the basket. basket on the mouthpiece.

De plus, le panier 20 et l'embout 10 pourraient présenter d'autres formes que celles représentées. Avantageusement, le panier 20 comprend un tube 22 de longueur L20 suffisante pour présenter une résistance mécanique importante. Cette longueur correspond de préférence à au moins 50% de la longueur totale Lt de l'embout 10 (hors pointe 18), voire est supérieure ou égale à 60% de cette longueur. Avantageusement, cette longueur L20 est comprise entre 1 et 6 cm. La section de contact entre la bague 30 et le panier 20, formant une butée de maintien inférieur du panier 20, se trouve en partie inférieure de l'embout 10, de préférence à une hauteur L30 inférieure ou égale à 40% de la hauteur totale Lt de l'embout 10, voire inférieure ou égale à 30%. Dans le mode de réalisation représenté, cette hauteur L30 s'étend donc jusqu'en haut du filetage de la partie filetée 17.In addition, the basket 20 and the tip 10 could have other shapes than those shown. Advantageously, the basket 20 comprises a tube 22 of length L 20 sufficient to have significant mechanical strength. This length preferably corresponds to at least 50% of the total length Lt of the nozzle 10 (excluding tip 18), or even is greater than or equal to 60% of this length. Advantageously, this length L 20 is between 1 and 6 cm. The contact section between the ring 30 and the basket 20, forming a lower retaining stop for the basket 20, is located in the lower part of the end piece 10, preferably at a height L 30 less than or equal to 40% of the height total Lt of the tip 10, or even less than or equal to 30%. In the embodiment shown, this height L 30 therefore extends to the top of the thread of the threaded part 17.

Le panier 20 et l'embout 10 peuvent comprendre tout autre agencement permettant de garantir et de maintenir l'orientation du panier 20 relativement à l'embout 10 ou au bâton de sport 1. Notamment, il peut y avoir plus qu'un seul couple rainures/nervures, et la ou les rainures pourraient se trouver dans l'ouverture intérieure 21 du tube 22 du panier 20 et les nervures sur la surface extérieure de l'embout 10.The basket 20 and the end piece 10 may include any other arrangement making it possible to guarantee and maintain the orientation of the basket 20 relative to the end piece 10 or the sports stick 1. In particular, there may be more than a single couple grooves / ribs, and the groove or grooves could be in the interior opening 21 of the tube 22 of the basket 20 and the ribs on the exterior surface of the end piece 10.

Cet agencement pourrait présenter d'autres formes qu'un couple rainure/nervure, qui est optionnel, comme tout autre dispositif anti-rotationnel. A titre d'exemple, les variantes représentées sur les figures 11 à 14 montrent des réalisations dans lesquelles les surfaces supérieures en contact respectivement du panier 20 et de l'embout 10, au niveau de la butée 16, ne sont pas dans un plan transversal, et de préférence asymétrique, pour former ainsi une autre solution de liaison anti-rotationnelle. La butée 16 de l'embout 10 forme ainsi un épaulement asymétrique. De même, la surface supérieure du tube du panier présente une forme non plane formant un épaulement correspondant à la butée 16 de l'embout. Sur la première variante de la figure 11, cette surface est courbe et continue, et sur la deuxième variante de la figure 14, elle est discontinue, forme des marches. Toute autre géométrie est possible, courbe, droite, triangulaire, etc. Dans ces variantes, les éléments sont simplifiés et l'ensemble gagne en robustesse et réduit l'usure.This arrangement could have other forms than a groove / rib pair, which is optional, like any other anti-rotational device. For example, the variants shown on the figures 11 to 14 show embodiments in which the upper surfaces in contact respectively of the basket 20 and of the end piece 10, at the level of the stop 16, are not in a transverse plane, and preferably asymmetrical, to thus form another anti-binding solution -rotational. The stop 16 of the nozzle 10 thus forms an asymmetrical shoulder. Likewise, the upper surface of the basket tube has a non-planar shape forming a shoulder corresponding to the stop 16 of the endpiece. On the first variant of the figure 11 , this surface is curved and continuous, and on the second variant of the figure 14 , it is discontinuous, forms steps. Any other geometry is possible, curved, straight, triangular, etc. In these variants, the elements are simplified and the assembly gains in robustness and reduces wear.

Dans tous les cas, le dispositif anti-rotationnel permet de :

  • garantir la bonne position angulaire du panier, cette position étant prédéfinie lors de la fabrication du bâton par la fixation de l'embout sur le bâton ;
  • éviter tout mouvement de rotation du panier par rapport à l'embout lorsque le panier est mis en place sur l'embout.
In all cases, the anti-rotational device makes it possible to:
  • guaranteeing the correct angular position of the basket, this position being predefined during the manufacture of the stick by fixing the end piece on the stick;
  • avoid any rotational movement of the basket relative to the end piece when the basket is placed on the end piece.

Finalement, la solution décrite atteint bien les objets de l'invention. Le bâton de sport 1 selon le mode de réalisation peut être modifié par le simple changement d'un panier. Comme ce panier présente une forme très simple, il est peu coûteux. Notamment, il n'est pas nécessaire de changer la pointe 18 coûteuse du bâton de sport, puisqu'elle ne fait pas partie du panier. Par ailleurs, le bon alignement entre la pointe et le bâton est directement effectué en usine, ce qui facilite l'utilisation rapide du bâton par l'utilisateur, qui n'a pas à se soucier de l'orientation de la pointe vers l'avant, à l'opposé de la dragonne. De plus, le panier est facile à monter et à démonter. Enfin, les efforts transmis par le contact au sol sont directement transmis sur la tige 2 du bâton, par l'intermédiaire de l'embout 10, de manière relativement indépendante du panier 20. Ce dernier ne subit que les éventuels appuis secondaires, par exemple sur la neige, et ne supporte donc pas des efforts trop importants.Finally, the solution described does indeed achieve the objects of the invention. The sports stick 1 according to the embodiment can be modified by simply changing a basket. As this basket has a very simple shape, it is inexpensive. In particular, it is not necessary to change the expensive tip 18 of the sports stick, since it is not part of the basket. Furthermore, the correct alignment between the point and the stick is directly carried out in the factory, which facilitates the rapid use of the stick by the user, who does not have to worry about the orientation of the point towards the front, opposite the wrist strap. In addition, the basket is easy to assemble and disassemble. Finally, the forces transmitted by the contact with the ground are directly transmitted to the rod 2 of the stick, via the end piece 10, relatively independently of the basket 20. The latter only undergoes any secondary support, for example on snow, and therefore does not support too great efforts.

Un utilisateur peut ainsi facilement modifier l'extrémité inférieure de son bâton de sport pour l'adapter à ses différentes utilisations, notamment en fonction du type de neige, dure, intermédiaire ou poudreuse. Les figures 9a à 9c illustrent ainsi à titre d'exemples des configurations différentes d'un même bâton de sport, sur lequel différents paniers 20 ont été montés, sur le même embout 10. Ces paniers sont des alternatives au panier décrit précédemment, notamment représenté par la figure 7. Nous constatons ainsi que trois paniers distincts sont prévus, représentés respectivement par les figures 7, 9a et 9b, qui se différencient entre eux par la surface globale et la forme de leur rondelle 25. Ces paniers sont prévus pour une utilisation du bâton de sport pour le ski, pour des neiges respectivement de moins en moins dures. En particulier, des paniers comprenant des rondelles larges sont destinés à être utilisés pour des neiges fraiches mais aussi des neige très humides, et les paniers comprenant des rondelles de diamètres inférieurs sont destinées à des neiges plus dures. En complément, la figure 9c illustre un quatrième panier particulier, qui ne comprend pas de rondelle. Ce panier 20 se réduit donc à son tube 22, et est particulièrement adapté à la marche, ou à la pratique du ski sur roues ou ski à roulettes, notamment sur un chemin non enneigé. Tous les paniers distincts comprennent un tube 22 identique.A user can thus easily modify the lower end of his sports stick to adapt it to his different uses, in particular according to the type of snow, hard, intermediate or powder. The Figures 9a to 9c thus illustrate by way of examples different configurations of the same sports stick, on which different baskets 20 have been mounted, on the same end piece 10. These baskets are alternatives to the basket described above, in particular represented by the figure 7 . We thus note that three separate baskets are provided, represented respectively by the Figures 7, 9a and 9b , which differ from each other by the overall surface and the shape of their washer 25. These baskets are provided for use of the sports pole for skiing, for snow respectively less and less hard. In particular, baskets comprising large washers are intended to be used for fresh snow but also very wet snow, and the baskets with washers of smaller diameters are intended for harder snow. In addition, the figure 9c illustrates a fourth particular basket, which does not include a washer. This basket 20 therefore reduces to its tube 22, and is particularly suitable for walking, or for the practice of ski on wheels or ski on rollers, in particular on a snow-free path. All the separate baskets include an identical tube 22.

En variante, on pourrait penser utiliser deux paniers différents, l'un comportant une rondelle asymétrique, l'autre comportant une rondelle symétrique. Ainsi l'utilisateur pourrait choisir d'utiliser son bâton pour différentes disciplines, par exemple pour du ski alpin avec une rondelle symétrique, ou pour du ski de fond avec une rondelle asymétrique.As a variant, one could think of using two different baskets, one comprising an asymmetrical washer, the other comprising a symmetrical washer. Thus the user could choose to use his stick for different disciplines, for example for alpine skiing with a symmetrical washer, or for cross-country skiing with an asymmetrical washer.

L'invention porte ainsi aussi sur un bâton de sport équipé d'une série de paniers distincts, de préférence au moins trois ou quatre, pour offrir suffisamment de possibilités de modifications.The invention thus also relates to a sports stick equipped with a series of separate baskets, preferably at least three or four, to provide sufficient possibilities for modifications.

Claims (14)

  1. Lower end device (5) for a sports pole, characterized in that it comprises:
    - an end piece (10) comprising an inner surface (11) for housing a stem (2) of a sports pole (1), a lower region for removably or non-removably fastening a tip (18), a tubular surface comprising an anti-rotational device (14), an upper stop (16) and a fastening region (17) for receiving a retaining element (30) for retaining a basket (20);
    - a basket (20) comprising a tube (22) provided with an inner through-opening (21) adapted for positioning around the tubular surface of the end piece (10), and comprising an anti-rotational device for cooperating with the anti-rotational device of the end piece (24) and ensuring good orientation thereof around the end piece;
    - an element for removably retaining the basket (20) on the end piece (10), this retaining element comprising a surface forming a lower stop (31) blocking the downward movement of the basket on the end piece, and
    characterized in that the length (L20) of the tube (22) of the basket (20) is greater than or equal to 50%, or 60%, of the total length (Lt) of the end piece (10), and/or in that the contact section between the removable retaining element and the basket (20) is situated at a height (L30) that is less than or equal to 40% of the total height (Lt) of the end piece (10), or less than or equal to 30% of this total height (Lt).
  2. Lower end device (5) for a sports pole according to the preceding claim, characterized in that the element for removably retaining the basket is a retaining ring (30).
  3. Lower end device (5) for a sports pole according to the preceding claim, characterized in that the ring (30) is designed for fastening to the end piece (10) and for at least partial positioning below the basket (20) during its retention of the basket (10).
  4. Lower end device (5) for a sports pole according to Claim 1, characterized in that the retaining element for removably retaining the basket is a pin or a circlip or a screw or a clipped part that is fastened laterally to the end piece at least partially below the basket or via a lateral cutout in the tube of the basket during its retention of the basket, or in that the retaining element for removably retaining the basket is a plugged or clipped ring or a part with tabs engaging in cutouts made in the end piece that is fastened to the end piece from beneath, in particular at least partially below the basket, during its retention of the basket.
  5. Lower end device (5) for a sports pole according to one of the preceding claims, characterized in that the retaining element comprises a contact with the basket (20) during its retention of the basket and an elastic region in the region of its contact with the basket (20).
  6. Lower end device (5) for a sports pole according to one of the preceding claims, characterized in that the flange (25) of the basket (20) comprises a downwardly curved surface which at least partially covers the retaining element.
  7. Lower end device (5) for a sports pole according to one of the preceding claims, characterized in that the anti-rotational device of the basket (20) comprises at least one rib or a groove or a shoulder in the region of a lower surface of the tube (22).
  8. Lower end device (5) for a sports pole according to one of the preceding claims, characterized in that the basket (20) takes the form of a monobloc component made of plastic.
  9. Lower end device (5) for a sports pole according to one of the preceding claims, characterized in that the basket (20) comprises a flange (25) which is arranged asymmetrically around the tube (22) or is arranged symmetrically.
  10. Lower end device (5) for a sports pole according to the preceding claim, characterized in that the flange (25) of the basket (20) has a non-planar surface, at least a part of its periphery being curved downwards.
  11. Lower end device (5) for a sports pole according to one of the preceding claims, characterized in that the tube (22) of the basket (20) has a length of between 1 and 6 cm.
  12. Sports pole (1) characterized in that it comprises a lower end device (5) according to one of the preceding claims.
  13. Sports pole (1) according to the preceding claim, characterized in that it comprises at least three separate interchangeable baskets (20), including:
    - a first basket not comprising a flange; and
    - a second basket and a third basket comprising flanges of different areas.
  14. Method for manufacturing a sports pole (1) according to Claim 12, characterized in that it comprises the following steps:
    - fastening an end piece (10) to the end of a metal stem (2) of the sports pole (1);
    - manufacturing a basket (20) by an injection-moulding step or a moulding step;
    - removably fastening the basket (20) to the end piece (10) via a retaining element.
EP17199771.1A 2016-11-04 2017-11-02 Device for lower end of a sports pole Active EP3318309B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1660668A FR3058326A1 (en) 2016-11-04 2016-11-04 DEVICE FOR LOWER END OF A SPORTS STICK

Publications (2)

Publication Number Publication Date
EP3318309A1 EP3318309A1 (en) 2018-05-09
EP3318309B1 true EP3318309B1 (en) 2020-03-25

Family

ID=58314358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17199771.1A Active EP3318309B1 (en) 2016-11-04 2017-11-02 Device for lower end of a sports pole

Country Status (2)

Country Link
EP (1) EP3318309B1 (en)
FR (1) FR3058326A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR966364A (en) * 1948-05-11 1950-10-09 Method of attaching snowshoes to ski poles
FR1396557A (en) * 1964-03-09 1965-04-23 System for fixing the disc to the ski rods
US4669752A (en) * 1986-04-09 1987-06-02 Randy D. Jackson Cross country ski pole with interchangeable baskets
IT238564Y1 (en) * 1997-10-03 2000-11-13 Masters S R L PERFECTED STICK FOR SKI AND TREKKING
ATE375814T1 (en) * 2004-12-29 2007-11-15 Tsl Sport Equipment DEVICE FOR MOUNTING A DISC ON A POLE FOR WINTER SPORTS
CH705790B1 (en) * 2011-11-21 2015-06-15 Lekisport Ag Tip attachment for a floor.
FR3001397B1 (en) * 2013-01-31 2015-03-27 Salomon Sas REMOVABLE TIP OF BATON
JP6893178B2 (en) * 2015-04-27 2021-06-23 レキスポルト アーゲー Interchangeable plate system for cross-country

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3318309A1 (en) 2018-05-09
FR3058326A1 (en) 2018-05-11

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