EP3318309A1 - Device for lower end of a sports pole - Google Patents
Device for lower end of a sports pole Download PDFInfo
- Publication number
- EP3318309A1 EP3318309A1 EP17199771.1A EP17199771A EP3318309A1 EP 3318309 A1 EP3318309 A1 EP 3318309A1 EP 17199771 A EP17199771 A EP 17199771A EP 3318309 A1 EP3318309 A1 EP 3318309A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- basket
- tip
- sports stick
- end device
- sports
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 10
- 239000004952 Polyamide Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
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- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 210000000707 wrist Anatomy 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
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- 230000002441 reversible effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
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 lower end device of a sports stick, this device comprising in particular a mouthpiece 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 stick, including ski, including 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 thrust. Such a stick therefore undergoes high stresses. It includes a lower end, usually a tip, intended to come into contact with the ground, and a washer, intended to come into contact with the snow to control the depression of the stick in a layer of snow: according to the use of the stick , and especially 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 state of the art described above but does not present all or part of of their disadvantages.
- the invention is primarily intended to provide an adaptive solution of the lower end of a sports stick for use in various conditions, flexibly.
- Its second object is to propose a simple, efficient and inexpensive solution.
- the invention thus relates to a basket for a lower end device of a sports stick, characterized in that it comprises a tube having a through inner opening adapted for attachment to a lower end of a stick of sport and in that it includes an anti-rotational device to ensure its proper orientation around a sports stick.
- the anti-rotational device may include at least one rib or groove or shoulder at an outer surface of the tube.
- the basket may be in one-piece form of plastic material.
- the basket may include a washer asymmetrically or symmetrically arranged around the tube.
- the washer may have a non-planar surface, at least a portion of its periphery being curved downwards.
- the tube may have a length of between 1 and 6 cm.
- the invention also relates to a tip for lower end device of a sports stick intended to cooperate with a basket as described above, characterized in that it comprises an inner surface for housing a rod of a sports stick, a lower zone for the removable or non-removable attachment of a tip, 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 a fixing zone for receiving a ring for holding a basket.
- the invention also relates to a lower end device for a sports stick, characterized in that it comprises a basket as described above removably mounted on a tip as described above, the basket being held by a ring positioned at least partially under the basket and fixed on the endpiece.
- the length of the basket tube may be greater than or equal to 50% or even 60% of the total length of the nozzle, and / or the contact section between the ring and the basket may be at a height less than or equal to at 40% of the total height of the tip, or even less than or equal to 30% of this total height.
- the ring may comprise 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 grip by a user, and provided with a strap 3. It further comprises a lower end device 5 in its part lower.
- This lower end device 5 of which an advantageous embodiment is represented by the figure 2 , comprises a tip 10, a basket 20 and a ring 30.
- the basket 20 is removable and allows adaptation to different practices of the lower end of the sports stick, as will be detailed later.
- the tip 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, especially by gluing.
- this attachment thus has no impact on the structure of the lower part of the rod 2, and requires in particular no drilling of the rod, which thus retains its intact mechanical properties.
- a keying type system is implemented to facilitate this fixing operation of the tip on the end of the rod, for example by a tracking system for putting the tip in good position, in particular to ensure its proper orientation relative to the hand strap of the stick.
- a tip 10 is particularly represented by the Figures 3 to 5 . It comprises a generally tubular shape, including in particular a cylindrical inner opening 11 accessible from above, provided with ribs 12 longitudinal. When it is attached to a rod 2, the rod 2 is inserted into the inner opening 11 until it reaches 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 tip 10 on the rod 2 of the stick and reinforce, including a space for accommodating an adhesive between the two surfaces to be fixed.
- the inner opening 11 is slightly conical, its section decreasing downwardly to ensure a stronger and stronger pressure during the insertion of the rod 2 to the final position.
- the tip 10 comprises a longitudinal rib 14 on its outer surface, intended to cooperate with a groove 24 corresponding to a basket 20, as will be detailed later.
- the tip 10 comprises an area of larger diameter 15 in its upper part, forming a stop 16 for a basket 20. It further comprises a threaded portion 17 in its lower part, for receiving a retaining ring 30.
- it advantageously comprises a tip 18 at its lower end, possibly removable, intended to sink into the ground when using the stick.
- the tip 18 is in a very strong material, for example carbide.
- the axis of the tip 10 corresponds to the axis of the rod 2.
- the tip 18 is not arranged around this same axis, it is off-axis and has a particular orientation with respect to the entire stick.
- the tip 10 is formed of rigid plastic material, for example a polyamide, a polyurethane, optionally a fiber-loaded plastic, or metal. It can be in one-piece form. It can be formed by an injection step in 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 include a tip-like shape directly adapted to the receipt of a basket, in which case a separate intermediate tip would not be necessary.
- the figure 6 represents a view from above of a basket 20 according to one embodiment of the invention, in addition to the perspective view of the figure 2 .
- This basket 20 comprises a tube 22 forming a cylindrical inner 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 nozzle 10.
- the inner diameter of this inner opening 21 corresponds to the outer diameter of the tubular central portion of the nozzle 10.
- the length L 20 of the tube 22 corresponds to likewise to the length L 10 of the tubular central part of the nozzle 10.
- the tube 22 of the basket 20 is provided for insertion around the tip 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 a portion 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 same side of the stick as the 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, in top view, whose center is offset from the axis of the tube 22.
- the washer 25 is not flat, its peripheral ends are bent downwards. This geometry makes it possible to offer a better attachment of the washer 25 on the ground and / or the snow.
- the washer could have a circular shape, arranged around the axis of the tip.
- the basket 20 is intended for mounting on a tip 10 as described above.
- An assembled configuration is illustrated by the figures 7 and 8 .
- its tube 22 is inserted from the bottom around the tubular portion of the nozzle 10, until its upper end abuts against the stop 16 of the nozzle 10.
- the diameter of this abutment 16 corresponds to the outside diameter of the tube 22, so as to obtain a continuous outer 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 nozzle 10, guiding the positioning of the basket 20 and thus determining its orientation in a unique manner around the tip 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 tip 10 , and in the same direction as the wrist strap 3 of the sports stick 1.
- the orientation of the tip 18 towards the front allows of gain amplitude when planting the stick.
- the tip sinks into the ground without being impeded by the washer, since the portion of the tube 22 facing forward is free of any washer surface.
- the washer 25 then prevents the stick from sinking too much, which facilitates its disengagement from the ground.
- the basket 20 has a relatively simple shape, adapted to its manufacture by a plastic material injection step. It is thus advantageously in one-piece form.
- the washer and the tube are advantageously formed in one piece, and in a single material, preferably plastic.
- This material may for example be a polyamide, a polyurethane, or any other plastic material with or without composite fibers.
- the basket material 20 may be a metallic material.
- the assembly is finalized by screwing a ring 30 into the threaded portion 17 of the nozzle 10.
- the ring 30 is in a one-piece form, mainly made of a single plastic material, which may for example be a polyamide , a polyurethane, or any other plastic material with or without composite fibers.
- the material of the ring 30 may be a metallic material.
- the ring 30 is inserted through the lower end of the tip 10, so 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, below, on the tip 10 and more generally on the sports stick.
- the ring 30 is screwed onto the tip 10 by cooperation of its threaded inner surface 32 with the threaded portion 17 of the tip.
- 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 contacting the basket 20 to dampen any shocks and stresses suffered at the contact with the basket 20, to avoid damaging the latter.
- an elastomer material may be directly overmolded on the ring 30, to form the elastic member 31: the latter is then directly attached to the ring 30, which is in a monolithic form.
- the ring 30 is at least partially covered by the washer 25 of the basket, because of its curvature downwards, which thus protects against external aggression and thus inadvertent unscrewing.
- a portion of the ring 30 can come inside the tube 22 of the basket 20 in its screwed configuration, in a position protected from external aggression.
- the holding function of the basket 20 could be obtained by any means other than the ring 30 screwed by any means for maintaining the basket 20 between two upper stops 16 and lower.
- a retaining ring could be fixed in the lower part of the tip, in support (or bottom stop) under the basket 20, by any means other than screwing, clipping for example. This means is however reversible to be able to disassemble and reassemble the basket easily on the tip of the stick.
- the removable holding member of the basket may be a plugged ring or clipped, or a piece with tabs snapping into recesses made on the tip.
- the element holding the basket is fixed on the tip from below the tip. It is preferably positioned at least partially under the basket during its maintenance of the basket.
- the removable holding member of the basket may be a pin or a circlip, or a screw or clipped piece.
- the holding element of the basket is fixed laterally on the tip. It is preferably positioned at least partially under the basket during its maintenance of the basket.
- the holding member may comprise a contact with the basket during its maintenance of the basket and an elastic zone at its contact with the basket.
- the tip includes a fastening area for receiving the holding member.
- the holding function of the basket is thus implemented by the cooperation of the holding member and the endpiece, which both have complementary shapes for the removable attachment of the holding member on the tip.
- the basket holding member comprises a lower stop surface, ie a surface supporting the support of the basket when attempting to move the basket downwards, thus blocking the downward movement of the basket. basket on the tip.
- the basket 20 and the tip 10 could have other forms than those shown.
- the basket 20 comprises a tube 22 of length L 20 such that it presents a high mechanical resistance.
- This length preferably corresponds to at least 50% of the total length Lt of the tip 10 (off point 18), or is greater than or equal to 60% of this length.
- the length L 20 is between 1 and 6 cm.
- the contact section between the ring 30 and the basket 20, forming a lower holding abutment of the basket 20, is in the lower part of the tip 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 thus extends to the top of the thread of the threaded portion 17.
- the basket 20 and the tip 10 may include any other arrangement to ensure and maintain the orientation of the basket 20 relative to the tip 10 or the sports stick 1.
- This arrangement could have other shapes than a groove / rib pair, which is optional, like any other anti-rotational device.
- the variants represented on the Figures 11 to 14 show embodiments in which the upper surfaces in contact respectively of the basket 20 and the tip 10, at the abutment 16, are not in a transverse plane, and preferably asymmetric, to thereby form another anti-bonding solution -rotationnelle.
- the stop 16 of the tip 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 tip.
- 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 set gains in strength and reduces wear.
- the sports stick 1 according to the embodiment can be modified by the simple change of a basket.
- this basket has a very simple shape, it is inexpensive.
- the correct alignment between the tip and the stick is done directly 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 tip towards the before, opposite the wrist strap.
- the basket is easy to assemble and disassemble.
- the forces transmitted by the ground contact are directly transmitted on the rod 2 of the stick, via the end piece 10, relatively independently of the basket 20. The latter undergoes only the possible secondary supports, for example on the snow, and therefore does not support too much effort.
- FIGs 9a to 9c illustrate as examples of different configurations of the same sports stick, on which different baskets 20 were mounted on the same end 10. These baskets are alternatives to the basket described above, in particular represented by the figure 7 .
- three distinct baskets are provided, represented respectively by the Figures 7, 9a and 9b , which are differentiated from each other by the overall surface and the shape of their washer 25.
- These baskets are provided for use of the sports stick for skiing, for respectively less and less hard snow.
- baskets with large washers are intended to be used for fresh snow but also very wet snow, and baskets with washers of smaller diameters are intended for harder snow.
- FIG. 9c illustrates a particular fourth basket, which does not include a washer.
- This basket 20 is reduced to its tube 22, and is particularly suitable for walking, or practice skiing on wheels or roller skiing, especially on a snow-covered path. All 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)
Abstract
Dispositif d'extrémité inférieure (5) pour un bâton de sport, caractérisé en ce qu'il comprend : - un embout (10) comprenant une surface intérieure (11) pour le logement d'une tige (2) d'un bâton de sport (1), une zone inférieure pour la fixation amovible ou non d'une pointe (18), une surface tubulaire comprenant un dispositif anti-rotationnel, une butée supérieure (16) et une zone de fixation pour recevoir un élément de maintien d'un panier (20) ; - un panier (20) comprenant un tube (22) doté d'une ouverture intérieure (21) traversante adaptée pour un positionnement autour de la surface tubulaire de l'embout (10), et comprenant un dispositif anti-rotationnel pour coopérer avec le dispositif anti-rotationnel de l'embout et garantir sa bonne orientation autour de l'embout ; - un élément de maintien amovible du panier (20) sur l'embout (10), cet élément de maintien comprenant une surface formant une butée inférieure bloquant le déplacement vers le bas du panier sur l'embout.Bottom end device (5) for a sports stick, characterized in that it comprises: - a tip (10) comprising an inner surface (11) for housing a rod (2) of a sports stick (1), a lower zone for the removable attachment or not a tip (18), a tubular surface comprising an anti-rotational device, an upper stop (16), and an attachment area for receiving a holding member of a basket (20); - a basket (20) comprising a tube (22) having an inner opening (21) therethrough adapted for positioning around the tubular surface of the tip (10), and comprising an anti-rotational device for cooperating with the anti-rotational device of the tip and ensure its proper orientation around the tip; - A removable holding member of the basket (20) on the tip (10), said holding member comprising a surface forming a lower stop blocking the downward movement of the basket on the tip.
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 lower end device of a sports stick, this device comprising in particular a mouthpiece 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 stick, including ski, including 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 thrust. Such a stick therefore undergoes high stresses. It includes a lower end, usually a tip, intended to come into contact with the ground, and a washer, intended to come into contact with the snow to control the depression of the stick in a layer of snow: according to the use of the stick , and especially 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
Une autre solution de l'état de la technique est décrite par le document
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 state of the art described above but does not present all or part of 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 invention is primarily intended to provide an adaptive solution of the lower end of a sports stick for use in various conditions, flexibly.
Elle a pour second objet de proposer une solution simple, performante, et peu coûteuse.Its second object is to propose a simple, efficient and inexpensive solution.
A cet effet, l'invention repose sur un dispositif d'extrémité inférieure pour un bâton de sport, caractérisé en ce qu'il comprend :
- un embout comprenant 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 comprenant un dispositif anti-rotationnel, une butée supérieure et une zone de fixation pour recevoir un élément de maintien d'un panier ;
- un panier comprenant un tube doté d'une ouverture intérieure traversante adaptée pour un positionnement autour de la surface tubulaire de l'embout, et comprenant un dispositif anti-rotationnel pour coopérer avec le dispositif anti-rotationnel de l'embout et garantir sa bonne orientation autour de l'embout ;
- un élément de maintien amovible du panier sur l'embout, cet élément de maintien comprenant une surface formant une butée inférieure bloquant le déplacement vers le bas du panier sur l'embout.
- a tip comprising an inner surface for housing a rod of a sports stick, a lower zone for the removable or non-removable attachment of a tip, a tubular surface comprising an anti-rotational device, a top stop and a zone fastener for receiving a holding member of a basket;
- a basket comprising a tube having a through inner opening adapted for positioning around the tubular surface of the endpiece, and comprising an anti-rotational device for cooperating with the anti-rotation device of the endpiece and ensuring its proper orientation around the mouthpiece;
- a removable holding member of the basket on the tip, said holding member comprising a surface forming a lower stop blocking the downward movement of the basket on the tip.
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 thus relates to a basket for a lower end device of a sports stick, characterized in that it comprises a tube having a through inner opening adapted for attachment to a lower end of a stick of sport and in that it includes an anti-rotational device to ensure its proper 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 groove or shoulder at an outer surface of the tube.
Le panier peut se présenter sous une forme monobloc en matériau plastique.The basket may be in one-piece form of plastic material.
Le panier peut comprendre une rondelle asymétriquement ou symétriquement agencée autour du tube.The basket may include a washer asymmetrically or symmetrically 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 a portion of its periphery being curved downwards.
Le tube peut présenter une longueur comprise entre 1 et 6 cm.The tube may 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 lower end device of a sports stick intended to cooperate with a basket as described above, characterized in that it comprises an inner surface for housing a rod of a sports stick, a lower zone for the removable or non-removable attachment of a tip, 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 a fixing zone for receiving a ring for holding a basket.
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 above removably mounted on a tip as described above, the basket being held by a ring positioned at least partially under the basket and fixed on the endpiece.
La longueur du tube du panier peut être supérieure ou égale à 50%, voire 60%, de la longueur totale de l'embout, et/ou la section de contact entre la bague et le panier peut se trouver à une hauteur inférieure ou égale à 40% de la hauteur totale de l'embout, voire inférieure ou égale à 30% de cette hauteur totale.The length of the basket tube may be greater than or equal to 50% or even 60% of the total length of the nozzle, and / or the contact section between the ring and the basket may be at a height less than or equal to at 40% of the total height of the tip, or even less than or equal to 30% of this total height.
La bague peut comprendre une zone élastique au niveau de son contact avec le panier.The ring may comprise 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.
- a first basket does not include a washer; and
- a second basket and a third basket including 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.
- attaching a tip as described above to 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 on the endpiece via a ring or more generally 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.
- The
figure 1 represents a sports stick according to one embodiment of the invention. - The
figure 2 represents an exploded perspective view of a lower end device for a sports stick according to an embodiment of the invention - The
figure 3 represents a perspective view from above of the nozzle according to the embodiment of the invention. - The
figure 4 represents a top view of the nozzle according to the embodiment of the invention. - The
figure 5 represents a side view of the nozzle according to the embodiment of the invention. - The
figure 6 represents a top view of a basket according to one embodiment of the invention. - The
figure 7 represents a perspective view of the lower part of a sports stick equipped with a lower end device according to one embodiment of the invention. - The
figure 8 represents 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 one embodiment of the invention. - The
figure 10 illustrates a perspective view from above of a ring according to one embodiment of the invention. - The
figure 11 represents 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 represents a side view of the lower part of a sports stick equipped with a tip for a lower end device according to the first variant of the embodiment of the invention. - The
figure 13 represents a view from the front of the lower part of a sports stick according to the first variant of the embodiment of the invention. - The
figure 14 represents 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 conventionally define 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 any direction perpendicular to the longitudinal direction. In addition, we will use the adjectives "upper" and "lower" in this longitudinal direction by considering a sports stick positioned vertically in its normal use.
L'invention porte donc sur un bâton de sport 1 tel que représenté par la
Ce dispositif d'extrémité inférieure 5, dont un mode de réalisation avantageux est représenté par la
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 oeuvre 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 oeuvre 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
Un embout 10 selon un mode de réalisation est particulièrement représenté par les
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
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
La
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
Le panier 20 est destiné à un montage sur un embout 10 tel que décrit précédemment. Une configuration assemblée est illustrée par les
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
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
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
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 be modified without departing from the scope of the invention. In particular, the holding function of the
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 member of the basket may be a plugged ring or clipped, or a piece with tabs snapping into recesses made on the tip. In these variants, the element holding the basket is fixed on the tip from below the tip. It is preferably positioned at least partially under the basket during its maintenance of 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 embodiments, the removable holding member of the basket may be a pin or a circlip, or a screw or clipped piece. In these variants, the holding element of the basket is fixed laterally on the tip. It is preferably positioned at least partially under the basket during its maintenance of 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 oeuvre 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 these embodiments, the holding member may comprise a contact with the basket during its maintenance of the basket and an elastic zone at its contact with the basket. The tip includes a fastening area for receiving the holding member. The holding function of the basket is thus implemented by the cooperation of the holding member and the endpiece, which both have complementary shapes for the removable attachment of the holding member on the tip.
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 member comprises a lower stop surface, ie a surface supporting the support of the basket when attempting to move the basket downwards, thus blocking the downward movement of the basket. basket on the tip.
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
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
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
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.
- guaranteeing the correct angular position of the basket, this position being predefined during the manufacture of the stick by fixing the tip on the stick;
- avoid any rotational movement of the basket relative to the tip when the basket is placed on the tip.
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 described solution achieves the objects of the invention. The
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
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.Alternatively, one could think of using two different baskets, one having an asymmetrical washer, the other having a symmetrical washer. Thus the user could choose to use his stick for different disciplines, for example for downhill 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 (15)
en ce que l'élément de maintien amovible du panier est une bague pluggée ou clippée, ou une pièce avec pattes venant s'enclencher dans des évidements réalisés sur l'embout fixé par le dessous sur l'embout, notamment au moins partiellement sous le panier, lors de son maintien du panier.Lower end device (5) for a sports stick according to claim 1, characterized in that the removable holding element of the basket is a pin or a circlip or a screw or clipped piece, fixed laterally on the endpiece at least partially under the basket or via a lateral recess in the tube of the basket during its maintenance of the basket, or
in that the removable retaining element of the basket is a plugged or clipped ring, or a piece with tabs that snap into recesses made on the tip fastened from below to the tip, in particular at least partially under the basket, while maintaining the basket.
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 |
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EP3318309A1 true EP3318309A1 (en) | 2018-05-09 |
EP3318309B1 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 |
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EP (1) | EP3318309B1 (en) |
FR (1) | FR3058326A1 (en) |
Citations (6)
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 | |
EP0906776A1 (en) * | 1997-10-03 | 1999-04-07 | Masters S.r.l. | An improved pole for skiing and trekking |
DE202012104426U1 (en) * | 2011-11-21 | 2012-11-22 | Lekisport Ag | Universal tip |
EP2762212A1 (en) * | 2013-01-31 | 2014-08-06 | Salomon S.A.S. | Removable stick tip |
WO2016173827A1 (en) * | 2015-04-27 | 2016-11-03 | Lekisport Ag | Cross-country interchangeable plate system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4669752A (en) * | 1986-04-09 | 1987-06-02 | Randy D. Jackson | Cross country ski pole with interchangeable baskets |
DE602005002923T2 (en) * | 2004-12-29 | 2009-03-05 | Tsl Sport Eqiupment | Device for mounting a disc on a pole for practicing winter sports |
-
2016
- 2016-11-04 FR FR1660668A patent/FR3058326A1/en active Pending
-
2017
- 2017-11-02 EP EP17199771.1A patent/EP3318309B1/en active Active
Patent Citations (6)
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 | |
EP0906776A1 (en) * | 1997-10-03 | 1999-04-07 | Masters S.r.l. | An improved pole for skiing and trekking |
DE202012104426U1 (en) * | 2011-11-21 | 2012-11-22 | Lekisport Ag | Universal tip |
EP2762212A1 (en) * | 2013-01-31 | 2014-08-06 | Salomon S.A.S. | Removable stick tip |
WO2016173827A1 (en) * | 2015-04-27 | 2016-11-03 | Lekisport Ag | Cross-country interchangeable plate system |
Also Published As
Publication number | Publication date |
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FR3058326A1 (en) | 2018-05-11 |
EP3318309B1 (en) | 2020-03-25 |
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