EP1533006B1 - Ice axe with adjustable handle - Google Patents

Ice axe with adjustable handle Download PDF

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Publication number
EP1533006B1
EP1533006B1 EP04354035A EP04354035A EP1533006B1 EP 1533006 B1 EP1533006 B1 EP 1533006B1 EP 04354035 A EP04354035 A EP 04354035A EP 04354035 A EP04354035 A EP 04354035A EP 1533006 B1 EP1533006 B1 EP 1533006B1
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EP
European Patent Office
Prior art keywords
handle
grip
piece
adjustment
ice
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.)
Expired - Lifetime
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EP04354035A
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German (de)
French (fr)
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EP1533006A1 (en
Inventor
Paul Petzl
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Zedel SAS
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Zedel SAS
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B29/00—Apparatus for mountaineering
    • A63B29/08—Hand equipment for climbers

Definitions

  • the invention relates to an ice ax for mountaineering comprising a head, a handle, an anatomical grip having a free end and an end secured to the handle, and delimiting a grip zone of length L of the ice ax, delimited by a adjusting tip arranged at the free end of the handle, and a protrusion of the handle at its end integral with the handle, the handle comprising means for adjusting the length L of the grip zone.
  • Ice axes used by mountaineers are safety tools for climbing ice slopes or very hard snow.
  • An ice ax generally comprises a head serving as support for a breakdown or a hammer and an anchor, and a hollow handle in which the head is fitted.
  • the elongated blade-shaped anchor is intended to penetrate the ice to provide effective anchorage allowing traction on the handle.
  • Spades and breakdowns are usually interchangeable elements with different shapes and sizes so that the mountaineer can have the most suitable ice ax for the terrain.
  • the holding of the handle in the hand of the climber is an essential factor of efficiency for the penetration of the spades in the ice.
  • the mountaineer usually holds the end of the shaft to have the most important strike torque appropriate for optimum penetration force of the spear in the ice cream. It is imperative that at the moment of the shock with the ice, the mountaineer does not let go of the handle.
  • the object of the invention is to remedy these drawbacks, and to make an ice ax for mountaineering having an adjustment endpiece, the grip of which is improved, according to the grip morphology of mountaineering and climbing. intended use.
  • this object is achieved by the fact that the adjusting endpiece is pivotally mounted on the handle.
  • the adjusting tip is rotatably mounted about an axis perpendicular to the longitudinal axis of the gripping handle.
  • the gripping handle comprises a plurality of orifices corresponding to different positions of the adjustment nozzle, the ice ax comprising a locking element intended to be introduced into one of the orifices and to maintain the adjusting nozzle in one of said positions.
  • the free end of the gripping handle comprises a plurality of notches corresponding to different positions of the adjusting tip, the adjusting tip comprising a plurality of grooves cooperating with the notches of the handle. free end so as to hold the adjusting end in one of said positions.
  • an ice ax 1 for mountaineering consists of a head 2 equipped with a fastening tip 3 fitted in a handle 4, preferably in the form of hollow tube.
  • the cross section of the tip 3 is non-circular, for example oval or elliptical, so as to ensure the anti-rotation of the head 2 in the handle 4.
  • a first end 5 of the head 2 carries a striking hammer removably fixed by a screw 6. It is possible to replace the striking hammer with a failure (not shown).
  • a second end 7 of the head 2, opposite the end 5, serves as a support for a spike 8 constituted by an interchangeable metal blade.
  • the spike 8 is preferably made of high strength steel, and comprises a blade 9 equipped along the lower edge of a series of gripping teeth 10, to obtain an optimum anchoring effect of the spike 8 in ice or hard snow. Fixing the spike 8 on the head 2 is operated by means of screw connection 11 and 12.
  • the length of the handle 4 depends on the size of the mountaineer, and the shape of the handle 4 is preferably curved for better adaptation to the terrain.
  • the lower end of the handle 4 is equipped with a handle 13 having an anatomical shape.
  • the handle 13 is made of a synthetic plastic or elastomeric material and reported by overmolding on a skeleton 14, of flat section, preferably made of aluminum alloy.
  • the gripping handle 13 has a fastening end 15 fitted into the handle 4 and a free end 16.
  • the handle 13 also includes adjusting means 17 for adjusting the size of the handle 13 to the height of the mountaineer's hand.
  • the adjustment means 17 comprise a pivoting adjustment piece 18.
  • a gripping zone 19 is delimited by the gripping handle 13.
  • the gripping zone 19, of length L, is located between the adjusting tip 18 and a protuberance 20 of the handle 13 at the level of the fixing end 15 integral with the handle 4.
  • the adjusting end 18 and the protrusion 20 protrude outside the handle 13 and are shaped according to hooks, preferably oriented towards the head 2 of the ice ax 1 These hooks provide the mountaineer with an additional opportunity to grip the handle 13.
  • the adjustment end piece 18 is mounted free to rotate, solely in the adjustment phase, about an axis 21 perpendicular to the longitudinal axis of the gripping handle 13.
  • the gripping handle 13 has a plurality of orifices 22 arranged transversely and corresponding to different positions that can take the adjustment nozzle 18.
  • the ice ax 1 also comprises a locking element 23 intended to be introduced into one of the orifices and to maintain the tip 18 in a position determined by the mountaineer.
  • the adjusting end 18 comprises a tongue 24 with an orifice of diameter similar to that of the orifices 22 of the handle 13.
  • the locking element 23 is then introduced when the two orifices are vis-à-vis.
  • the blocking element 23 is advantageously a screw-nut system, making it possible to obtain an effective type of blocking of the adjusting end-piece 18 on the gripping handle 13. Any other type of blocking may, of course, be used.
  • the adjustment of the length L of the grip zone 19 is carried out before the use of the ice ax 1, and the adjusting tip 18, after locking, remains stationary and integral with the handle 13 during use by mountaineer.
  • the position A representing the first end position of the adjustment nozzle 18, is obtained when the tongue 24 of the adjustment nozzle 18 is positioned on one of the orifices 22, the closest to the zone of 19.
  • the locking element 23 provides final locking of the two parts 13 and 18, by introducing a screw through the two orifices, and tightening the assembly with a nut.
  • a first length L1 of the gripping zone 19 is obtained.
  • the design of the handle 13 and of the adjustment bit 18 induces a length L1 of the order of 114 mm (FIG. 2).
  • the position B which is the second end position opposite to the position A, is obtained after loosening of the locking element 23 and rotation of the adjusting endpiece 18 about its axis 21.
  • the orifice of the tongue 24 comes opposite the orifice 22 of the handle 13, furthest from the zone of 19.
  • the final locking of the two parts 13 and 18 is performed in the same way as for the position A, with the aid of the blocking element 23.
  • the second length L 2 of the gripping zone is thus obtained. in hand 19.
  • the length L2 is of the order of 92.1 mm ( Figure 3).
  • the head 2, as well as the handle 4 and the skeleton 14 of the handle 13 are advantageously made of aluminum alloy.
  • the overmoulding of the plastic material of the handle 13 takes into account the average hand of a mountaineer, for example of the order of 90mm.
  • the ice ax 1 is adapted to all gripping morphologies and to any type of use because the presence of the adjustment means 17 allows optimum grip of the ice ax 1.
  • the adjustment means 17 are not limited to the embodiment described above.
  • the gripping handle 13 may, for example, comprise complementary adjustment means making it possible to move the pivoting axis of the adjustment nozzle 18.
  • an oblong hole may be formed in the gripping handle 13 or in the adjustment endpiece 18.
  • the axis of rotation 21 of the adjusting endpiece 18 can thus take several positions to optimize the grip of the mountaineer.
  • the locking element 23 remains, for example, a screw-nut system, or any other locking means.
  • the gripping handle 13 differs from the previous embodiment by the adjustment means 17.
  • the adjustment nozzle 18 is mounted free to rotate, solely in the adjustment phase, around of the axis of rotation 21.
  • the free end 16 of the handle 13 comprises a plurality of notches 25, corresponding to the different positions that can take the adjustment nozzle 18.
  • the tip of Adjustment 18 comprises a plurality of grooves 26 cooperating with the notches 25 of the free end 16 to place the adjusting tip 18 in a predetermined position. The position of the notches 25 and grooves 26 can of course be reversed.
  • the position A (FIG. 5), representing the first end position of the adjustment nozzle 18, is obtained, after loosening of the axis of rotation 21, when the grooves 26 of the adjustment nozzle 18 are positioned. at the notches 25 of the free end 16 furthest from the fitted end 15. The notches 25 of the free end 16 closest to the fitted end 15 are then not used.
  • the axis of rotation 21 ensures the final locking of the two parts 13 and 18 via, for example, a nut. This gives the first length L1, corresponding to the maximum length of the grip zone 19.
  • Position B (FIG. 6), which is the second end position opposite the position A, is obtained after loosening of the axis of rotation 21, rotation of the adjusting bit 18 around the axis 21 and positioning of the grooves 26 of the adjusting end 18 facing the notches 25 of the free end 16 of the gripping handle 13.
  • the grooves 26 of the adjusting endpiece 18 are positioned in the notches 25 of the the free end 16 closest to the fitted end 15.
  • the notches 25 of the free end 16 furthest from the fitted end 15 are then not used.
  • the final locking of the two parts 13 and 18 is ensured in the same way as for the position A, using the axis of rotation 21. This gives the second length L2, corresponding to the minimum length of the zone of rotation. getting started 19.

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  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Mechanical Control Devices (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)

Description

Domaine technique de l'inventionTechnical field of the invention

L'invention concerne un piolet pour l'alpinisme comportant une tête, un manche, une poignée de préhension anatomique ayant une extrémité libre et une extrémité solidaire du manche, et délimitant une zone de prise en main de longueur L du piolet, délimitée par un embout de réglage agencé à l'extrémité libre de la poignée de préhension, et par une protubérance de la poignée à son extrémité solidaire du manche, la poignée de préhension comportant des moyens de réglage de la longueur L de la zone de prise en main.The invention relates to an ice ax for mountaineering comprising a head, a handle, an anatomical grip having a free end and an end secured to the handle, and delimiting a grip zone of length L of the ice ax, delimited by a adjusting tip arranged at the free end of the handle, and a protrusion of the handle at its end integral with the handle, the handle comprising means for adjusting the length L of the grip zone.

État de la techniqueState of the art

Les piolets utilisés par les alpinistes sont des outils de sécurité pour l'ascension de pentes de glace ou de neige très dure. Un piolet comporte généralement une tête servant de support à une panne ou à un marteau et à une pique d'ancrage, et un manche creux, dans lequel est emmanchée la tête. La pique d'ancrage en forme de lame allongée est destinée à pénétrer dans la glace pour assurer un ancrage efficace autorisant une traction sur le manche. La pique et la panne sont généralement des éléments interchangeables avec des formes et des tailles différentes pour que l'alpiniste puisse disposer du piolet le mieux adapté au terrain. La tenue du manche dans la main de l'alpiniste constitue un facteur essentiel d'efficacité pour la pénétration de la pique dans la glace. L'alpiniste tient généralement le bout du manche pour disposer du couple de frappe le plus important approprié à une force de pénétration optimum de la pique dans la glace. Il est impératif qu'au moment du choc avec la glace, l'alpiniste ne lâche pas le manche.Ice axes used by mountaineers are safety tools for climbing ice slopes or very hard snow. An ice ax generally comprises a head serving as support for a breakdown or a hammer and an anchor, and a hollow handle in which the head is fitted. The elongated blade-shaped anchor is intended to penetrate the ice to provide effective anchorage allowing traction on the handle. Spades and breakdowns are usually interchangeable elements with different shapes and sizes so that the mountaineer can have the most suitable ice ax for the terrain. The holding of the handle in the hand of the climber is an essential factor of efficiency for the penetration of the spades in the ice. The mountaineer usually holds the end of the shaft to have the most important strike torque appropriate for optimum penetration force of the spear in the ice cream. It is imperative that at the moment of the shock with the ice, the mountaineer does not let go of the handle.

À cet effet, il a déjà été proposé un piolet équipé d'une poignée de préhension anatomique, c'est-à-dire une poignée épousant la forme de la main. Le document FR-A-2709971, qui est la base pour la préambule de la revendication indépendante, décrit une poignée de préhension anatomique formée sur le manche à l'opposé de la tête du piolet. La poignée de préhension possède généralement un profil correspondant au tour de main moyen d'un alpiniste. Cependant, la prise en main du piolet n'est pas toujours efficace car la taille de la main de l'alpiniste peut varier selon qu'il porte des gants fins ou épais, ou qu'il ne porte pas de gants du tout. De même, le piolet ne s'adapte pas selon la morphologie de préhension de l'alpiniste. Également, la prise en main n'est pas forcément la même selon l'utilisation envisagée (pentes de glace ou pentes de neige très dure). Or, une prise en main mal adaptée réduit l'efficacité de la frappe et augmente les risques de chute.To this end, it has already been proposed an ice ax equipped with an anatomical grip, that is to say, a handle matching the shape of the hand. Document FR-A-2709971, which is the basis for the preamble of the independent claim, discloses an anatomical grip formed on the handle opposite the ice ax head. The handle generally has a profile corresponding to the average hand of a mountaineer. However, the grip of the ice ax is not always effective because the size of the mountaineer's hand can vary depending on whether he wears thin or thick gloves, or that he does not wear gloves at all. Likewise, the ice ax does not adapt according to the mountaineer's prehension morphology. Also, the grip is not necessarily the same depending on the intended use (slopes of ice or slopes of very hard snow). However, improper handling reduces the efficiency of the strike and increases the risk of falling.

Également, dans le document EP-1388 353-A, qui a été publié après la date de dépôt de cette demande, il a été proposé des poignées de préhension avec un embout de réglage télescopique. L'embout de réglage coulisse à l'intérieur de la poignée de préhension pour obtenir une longueur de prise en main plus ou moins grande. Cependant, quand l'embout de réglage offre une longueur de prise en main maximale, il est nécessaire de combler l'espace engendré en installant des rondelles de diamètre déterminé entre l'embout de réglage et la poignée. Le réglage est donc fastidieux, nécessite des pièces supplémentaires à enlever ou ajouter, et la prise en main n'est pas totalement satisfaisante.Also, in the document EP-1388 353-A, which was published after the filing date of this application, it has been proposed grip handles with a telescopic adjusting end. The adjustment tip slides inside the handle to obtain a grip length greater or lesser. However, when the adjusting endpiece has a maximum grip length, it is necessary to fill the space generated by installing washers of determined diameter between the adjusting end and the handle. The setting is tedious, requires additional parts to remove or add, and the grip is not completely satisfactory.

Objet de l'inventionObject of the invention

L'invention a pour but de remédier à ces inconvénients, et de réaliser un piolet pour l'alpinisme ayant un embout de réglage, dont la prise en main est améliorée, en fonction de la morphologie de préhension de l'alpinisme et de l'utilisation envisagée.The object of the invention is to remedy these drawbacks, and to make an ice ax for mountaineering having an adjustment endpiece, the grip of which is improved, according to the grip morphology of mountaineering and climbing. intended use.

Selon l'invention, ce but est atteint par le fait que l'embout de réglage est monté à pivotement sur la poignée de préhension.According to the invention, this object is achieved by the fact that the adjusting endpiece is pivotally mounted on the handle.

Selon un mode de réalisation préférentiel de l'invention, l'embout de réglage est monté en rotation autour d'un axe perpendiculaire à l'axe longitudinal de la poignée de préhension.According to a preferred embodiment of the invention, the adjusting tip is rotatably mounted about an axis perpendicular to the longitudinal axis of the gripping handle.

Selon une caractéristique de l'invention, la poignée de préhension comporte une pluralité d'orifices correspondant à différentes positions de l'embout de réglage, le piolet comportant un élément de blocage destiné à être introduit dans l'un des orifices et à maintenir l'embout de réglage dans l'une desdites positions.According to a characteristic of the invention, the gripping handle comprises a plurality of orifices corresponding to different positions of the adjustment nozzle, the ice ax comprising a locking element intended to be introduced into one of the orifices and to maintain the adjusting nozzle in one of said positions.

Selon une autre caractéristique de l'invention, l'extrémité libre de la poignée de préhension comporte une pluralité de crans correspondant à différentes positions de l'embout de réglage, l'embout de réglage comportant une pluralité de rainures coopérant avec les crans de l'extrémité libre de manière à maintenir l'embout de réglage dans l'une desdites positions.According to another characteristic of the invention, the free end of the gripping handle comprises a plurality of notches corresponding to different positions of the adjusting tip, the adjusting tip comprising a plurality of grooves cooperating with the notches of the handle. free end so as to hold the adjusting end in one of said positions.

Description sommaire des dessinsBrief description of the drawings

D'autres avantages et caractéristiques ressortiront plus clairement de la description qui va suivre de modes particuliers de réalisation de l'invention donnés à titre d'exemples non limitatifs et représentés aux dessins annexés, dans lesquels :

  • La figure 1 est une vue en coupe partielle du piolet selon l'invention.
  • Les figures 2 et 3 sont des vues de face de la poignée de préhension selon l'invention, respectivement dans une première position de fin de course A et dans une seconde position de fin de course B.
  • La figure 4 est une vue de face d'une variante de réalisation de la poignée de préhension selon l'invention.
  • Les figures 5 et 6 sont des vues en coupe de la poignée de préhension selon la figure 4, respectivement dans la première position de fin de course A et dans la seconde position de fin de course B.
Other advantages and features will emerge more clearly from the following description of particular embodiments of the invention. given as non-limiting examples and shown in the accompanying drawings, in which:
  • Figure 1 is a partial sectional view of the ice ax according to the invention.
  • FIGS. 2 and 3 are front views of the gripping handle according to the invention, respectively in a first end-of-travel position A and in a second end-of-travel position B.
  • Figure 4 is a front view of an alternative embodiment of the handle according to the invention.
  • Figures 5 and 6 are sectional views of the gripping handle according to Figure 4, respectively in the first end position A and in the second end position B.

Description du mode particulier de réalisation.Description of the particular embodiment.

Sur la figure 1, un piolet 1 pour l'alpinisme est constitué d'une tête 2 équipée d'un embout de fixation 3 emmanché dans un manche 4, de préférence en forme de tube creux. La section transversale de l'embout 3 est non circulaire, par exemple ovale ou elliptique, de manière à assurer l'anti-rotation de la tête 2 dans le manche 4.In Figure 1, an ice ax 1 for mountaineering consists of a head 2 equipped with a fastening tip 3 fitted in a handle 4, preferably in the form of hollow tube. The cross section of the tip 3 is non-circular, for example oval or elliptical, so as to ensure the anti-rotation of the head 2 in the handle 4.

Une première extrémité 5 de la tête 2 porte un marteau de frappe fixé de manière démontable par une vis 6. Il est possible de remplacer le marteau de frappe par une panne (non représentée).A first end 5 of the head 2 carries a striking hammer removably fixed by a screw 6. It is possible to replace the striking hammer with a failure (not shown).

Une deuxième extrémité 7 de la tête 2, opposée à l'extrémité 5, sert de support à une pique 8 constituée par une lame métallique interchangeable. La pique 8 est réalisée de préférence en acier à résistance mécanique élevée, et comporte une lame 9 équipée le long du chant inférieur d'une série de dents 10 d'agrippement, permettant d'obtenir un effet d'ancrage optimum de la pique 8 dans la glace ou la neige dure. La fixation de la pique 8 sur la tête 2 est opérée par des moyens d'assemblage à vis 11 et 12.A second end 7 of the head 2, opposite the end 5, serves as a support for a spike 8 constituted by an interchangeable metal blade. The spike 8 is preferably made of high strength steel, and comprises a blade 9 equipped along the lower edge of a series of gripping teeth 10, to obtain an optimum anchoring effect of the spike 8 in ice or hard snow. Fixing the spike 8 on the head 2 is operated by means of screw connection 11 and 12.

La longueur du manche 4 dépend de la taille de l'alpiniste, et la forme du manche 4 est de préférence galbée pour une meilleure adaptation au terrain. L'extrémité inférieure du manche 4 est équipée d'une poignée de préhension 13 ayant une forme anatomique. La poignée 13 est réalisée en un matériau plastique synthétique ou à base d'élastomère et rapportée par surmoulage sur un squelette 14, de section plane, réalisé, de préférence, en alliage d'aluminium. La poignée de préhension 13 comporte une extrémité de fixation 15 emmanchée dans le manche 4 et une extrémité libre 16.The length of the handle 4 depends on the size of the mountaineer, and the shape of the handle 4 is preferably curved for better adaptation to the terrain. The lower end of the handle 4 is equipped with a handle 13 having an anatomical shape. The handle 13 is made of a synthetic plastic or elastomeric material and reported by overmolding on a skeleton 14, of flat section, preferably made of aluminum alloy. The gripping handle 13 has a fastening end 15 fitted into the handle 4 and a free end 16.

La poignée 13 comporte également des moyens de réglage 17 pour ajuster la taille de la poignée de préhension 13 à la taille de la main de l'alpiniste. Les moyens de réglages 17 comportent un embout de réglage 18 pivotant. Une zone de prise en main 19 est délimitée par la poignée de préhension 13. La zone de prise en main 19, de longueur L, est située entre l'embout de réglage 18 et une protubérance 20 de la poignée 13 au niveau de l'extrémité de fixation 15 solidaire du manche 4. De préférence, l'embout de réglage 18 et la protubérance 20 font saillie à l'extérieur de la poignée 13 et sont conformés selon des crochets, avantageusement orientés en direction de la tête 2 du piolet 1. Ces crochets procurent à l'alpiniste une possibilité supplémentaire pour saisir la poignée de préhension 13.The handle 13 also includes adjusting means 17 for adjusting the size of the handle 13 to the height of the mountaineer's hand. The adjustment means 17 comprise a pivoting adjustment piece 18. A gripping zone 19 is delimited by the gripping handle 13. The gripping zone 19, of length L, is located between the adjusting tip 18 and a protuberance 20 of the handle 13 at the level of the fixing end 15 integral with the handle 4. Preferably, the adjusting end 18 and the protrusion 20 protrude outside the handle 13 and are shaped according to hooks, preferably oriented towards the head 2 of the ice ax 1 These hooks provide the mountaineer with an additional opportunity to grip the handle 13.

Sur les figures 2 et 3, l'embout de réglage 18 est monté libre en rotation, uniquement en phase de réglage, autour d'un axe 21 perpendiculaire à l'axe longitudinal de la poignée de préhension 13. La poignée de préhension 13 comporte une pluralité d'orifices 22 disposés transversalement et correspondant à différentes positions que peut prendre l'embout de réglage 18. Le piolet 1 comporte également un élément de blocage 23 destiné à être introduit dans l'un des orifices et à maintenir l'embout de réglage 18 dans une position déterminée par l'alpiniste. Pour cela, l'embout de réglage 18 comporte une languette 24 avec un orifice de diamètre analogue à celui des orifices 22 de la poignée 13. L'élément de blocage 23 est alors introduit quand les deux orifices sont en vis-à-vis. L'élément de blocage 23 est avantageusement un système vis-écrou, permettant d'obtenir un type de blocage efficace de l'embout de réglage 18 sur la poignée de préhension 13. Tout autre type de blocage peut, bien entendu, être utilisé.In FIGS. 2 and 3, the adjustment end piece 18 is mounted free to rotate, solely in the adjustment phase, about an axis 21 perpendicular to the longitudinal axis of the gripping handle 13. The gripping handle 13 has a plurality of orifices 22 arranged transversely and corresponding to different positions that can take the adjustment nozzle 18. The ice ax 1 also comprises a locking element 23 intended to be introduced into one of the orifices and to maintain the tip 18 in a position determined by the mountaineer. For this, the adjusting end 18 comprises a tongue 24 with an orifice of diameter similar to that of the orifices 22 of the handle 13. The locking element 23 is then introduced when the two orifices are vis-à-vis. The blocking element 23 is advantageously a screw-nut system, making it possible to obtain an effective type of blocking of the adjusting end-piece 18 on the gripping handle 13. Any other type of blocking may, of course, be used.

L'ajustement de la longueur L de la zone de prise en main 19 s'effectue avant l'utilisation du piolet 1, et l'embout de réglage 18, après blocage, reste immobile et solidaire de la poignée 13 pendant l'usage par l'alpiniste. La position A, représentant la première position de fin de course de l'embout de réglage 18, est obtenue lorsque la languette 24 de l'embout de réglage 18 est positionnée sur l'un des orifices 22, le plus proche de la zone de prise en main 19. Dans cette position, l'élément de blocage 23 vient assurer le verrouillage final des deux pièces 13 et 18, en introduisant une vis à travers les deux orifices, et en serrant l'ensemble avec un écrou. On obtient ainsi une première longueur L1 de la zone de prise en main 19. De préférence, la conception de la poignée 13 et de l'embout de réglage 18 induit une longueur L1 de l'ordre de 114mm (figure 2).The adjustment of the length L of the grip zone 19 is carried out before the use of the ice ax 1, and the adjusting tip 18, after locking, remains stationary and integral with the handle 13 during use by mountaineer. The position A, representing the first end position of the adjustment nozzle 18, is obtained when the tongue 24 of the adjustment nozzle 18 is positioned on one of the orifices 22, the closest to the zone of 19. In this position, the locking element 23 provides final locking of the two parts 13 and 18, by introducing a screw through the two orifices, and tightening the assembly with a nut. Thus, a first length L1 of the gripping zone 19 is obtained. Preferably, the design of the handle 13 and of the adjustment bit 18 induces a length L1 of the order of 114 mm (FIG. 2).

La position B, qui est la deuxième position de fin de course opposée à la position A, est obtenue après desserrage de l'élément de blocage 23 et rotation de l'embout de réglage 18 autour de son axe 21. L'orifice de la languette 24 vient en regard de l'orifice 22 de la poignée 13, le plus éloigné de la zone de prise en main 19. Le verrouillage final des deux pièces 13 et 18 est effectué de la même manière que pour la position A, à l'aide de l'élément de blocage 23. On obtient ainsi la deuxième longueur L2 de la zone de prise en main 19. De préférence, la longueur L2 est de l'ordre de 92,1 mm (figure 3).The position B, which is the second end position opposite to the position A, is obtained after loosening of the locking element 23 and rotation of the adjusting endpiece 18 about its axis 21. The orifice of the tongue 24 comes opposite the orifice 22 of the handle 13, furthest from the zone of 19. The final locking of the two parts 13 and 18 is performed in the same way as for the position A, with the aid of the blocking element 23. The second length L 2 of the gripping zone is thus obtained. in hand 19. Preferably, the length L2 is of the order of 92.1 mm (Figure 3).

La tête 2, ainsi que le manche 4 et le squelette 14 de la poignée 13 sont avantageusement réalisés en alliage d'aluminium. Le surmoulage du matériau plastique de la poignée de préhension 13 tient compte du tour de main moyen d'un alpiniste, par exemple de l'ordre de 90mm.The head 2, as well as the handle 4 and the skeleton 14 of the handle 13 are advantageously made of aluminum alloy. The overmoulding of the plastic material of the handle 13 takes into account the average hand of a mountaineer, for example of the order of 90mm.

Le piolet 1 est adapté à toutes les morphologies de préhension et à tout type d'utilisation car la présence des moyens de réglage 17 permet une prise en main optimum du piolet 1.The ice ax 1 is adapted to all gripping morphologies and to any type of use because the presence of the adjustment means 17 allows optimum grip of the ice ax 1.

Les moyens de réglage 17 ne se limitent pas au mode de réalisation décrit ci-dessus. Particulièrement, la poignée de préhension 13 peut, par exemple, comporter des moyens de réglage complémentaires permettant de déplacer l'axe de pivotement de l'embout de réglage 18. Notamment, un trou oblong peut être réalisé dans la poignée de préhension 13 ou dans l'embout de réglage 18. L'axe de rotation 21 de l'embout de réglage 18 peut ainsi prendre plusieurs positions pour optimiser la prise en main de l'alpiniste. L'élément de blocage 23 reste, par exemple, un système vis-écrou, ou tout autre moyen de verrouillage.The adjustment means 17 are not limited to the embodiment described above. In particular, the gripping handle 13 may, for example, comprise complementary adjustment means making it possible to move the pivoting axis of the adjustment nozzle 18. In particular, an oblong hole may be formed in the gripping handle 13 or in the adjustment endpiece 18. The axis of rotation 21 of the adjusting endpiece 18 can thus take several positions to optimize the grip of the mountaineer. The locking element 23 remains, for example, a screw-nut system, or any other locking means.

Dans la variante de réalisation représentée aux figures 4 à 6, la poignée de préhension 13 se distingue du mode de réalisation précédent par les moyens de réglage 17. L'embout de réglage 18 est monté libre en rotation, uniquement en phase de réglage, autour de l'axe de rotation 21. L'extrémité libre 16 de la poignée de préhension 13 comporte une pluralité de crans 25, correspondant aux différentes positions que peut prendre l'embout de réglage 18. L'embout de réglage 18 comporte une pluralité de rainures 26 coopérant avec les crans 25 de l'extrémité libre 16 pour placer l'embout de réglage 18 dans une position prédéterminée. La position des crans 25 et des rainures 26 peut bien entendu être inversée.In the embodiment variant shown in FIGS. 4 to 6, the gripping handle 13 differs from the previous embodiment by the adjustment means 17. The adjustment nozzle 18 is mounted free to rotate, solely in the adjustment phase, around of the axis of rotation 21. The free end 16 of the handle 13 comprises a plurality of notches 25, corresponding to the different positions that can take the adjustment nozzle 18. The tip of Adjustment 18 comprises a plurality of grooves 26 cooperating with the notches 25 of the free end 16 to place the adjusting tip 18 in a predetermined position. The position of the notches 25 and grooves 26 can of course be reversed.

La position A (figure 5), représentant la première position de fin de course de l'embout de réglage 18, est obtenue, après desserrage de l'axe de rotation 21, lorsque les rainures 26 de l'embout de réglage 18 sont positionnées au niveau des crans 25 de l'extrémité libre 16 les plus éloignés de l'extrémité emmanchée 15. Les crans 25 de l'extrémité libre 16 les plus proches de l'extrémité emmanchée 15 sont alors non utilisés. Dans cette position, l'axe de rotation 21 assure le verrouillage final des deux pièces 13 et 18 par l'intermédiaire, par exemple, d'un écrou. On obtient ainsi la première longueur L1, correspondant à la longueur maximale de la zone de prise en main 19.The position A (FIG. 5), representing the first end position of the adjustment nozzle 18, is obtained, after loosening of the axis of rotation 21, when the grooves 26 of the adjustment nozzle 18 are positioned. at the notches 25 of the free end 16 furthest from the fitted end 15. The notches 25 of the free end 16 closest to the fitted end 15 are then not used. In this position, the axis of rotation 21 ensures the final locking of the two parts 13 and 18 via, for example, a nut. This gives the first length L1, corresponding to the maximum length of the grip zone 19.

La position B (figure 6), qui est la deuxième position de fin de course opposée à la position A, est obtenue après desserrage de l'axe de rotation 21, rotation de l'embout de réglage 18 autour de l'axe 21 et positionnement des rainures 26 de l'embout de réglage 18 en regard des crans 25 de l'extrémité libre 16 de la poignée de préhension 13. Dans cette position, les rainures 26 de l'embout de réglage 18 se positionnent dans les crans 25 de l'extrémité libre 16 les plus proches de l'extrémité emmanchée 15. Les crans 25 de l'extrémité libre 16 les plus éloignés de l'extrémité emmanchée 15 sont alors non utilisés. Le verrouillage final des deux pièces 13 et 18 est assuré de la même manière que pour la position A, à l'aide de l'axe de rotation 21. On obtient ainsi la deuxième longueur L2, correspondant à la longueur minimale de la zone de prise en main 19.Position B (FIG. 6), which is the second end position opposite the position A, is obtained after loosening of the axis of rotation 21, rotation of the adjusting bit 18 around the axis 21 and positioning of the grooves 26 of the adjusting end 18 facing the notches 25 of the free end 16 of the gripping handle 13. In this position, the grooves 26 of the adjusting endpiece 18 are positioned in the notches 25 of the the free end 16 closest to the fitted end 15. The notches 25 of the free end 16 furthest from the fitted end 15 are then not used. The final locking of the two parts 13 and 18 is ensured in the same way as for the position A, using the axis of rotation 21. This gives the second length L2, corresponding to the minimum length of the zone of rotation. getting started 19.

Claims (5)

  1. Ice axe (1) for mountaineering comprising a head (2), a shaft (4), and an anatomical grip (13) having one free end (16) and an end (15) secured to the shaft (4), and defining a handling zone (19) of the ice axe (1) of length (L), the handling zone (19) being bounded by an end-piece arranged at the free end (16) of the grip (13), and by a protuberance (20) of the grip (13) at its end (15) secured to the shaft (4), characterized in that the grip (13) comprises adjustment means (17) for adjusting the length (L) of the handling zone (19) and in that the end-piece is an adjustment end-piece (18), which is mounted pivoting on the grip (13).
  2. Ice axe according to claim 1, characterized in that the adjustment end-piece (18) is mounted rotating around a pin (21) perpendicular to the longitudinal axis of the grip (13).
  3. Ice axe according to claim 2, characterized in that the adjustment end-piece (18) comprises an oblong hole in order to be able to fit the pin (21) in different positions.
  4. Ice axe according to any one of the claims 1 to 3, characterized in that the grip (13) comprises a plurality of holes (22) corresponding to different positions of the adjustment end-piece (18), the ice axe (1) comprising a locking member (23) designed to be inserted into one of the holes (22) and to secure the adjustment end-piece (18) in one of said positions.
  5. Ice axe according to one of the claims 1 and 2, characterized in that the free end (16) of the grip (13) comprises a plurality of notches (25) corresponding to different positions of the adjustment end-piece (18), the adjustment end-piece (18) comprising a plurality of grooves (26) operating in conjunction with the notches (25) of the free end (16) so as to secure the adjustment end-piece (18) in one of said positions.
EP04354035A 2003-11-24 2004-10-06 Ice axe with adjustable handle Expired - Lifetime EP1533006B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0313721 2003-11-24
FR0313721A FR2862544B1 (en) 2003-11-24 2003-11-24 PIOLET FOR ALPINISM WITH ADJUSTABLE GRIPPING HANDLE

Publications (2)

Publication Number Publication Date
EP1533006A1 EP1533006A1 (en) 2005-05-25
EP1533006B1 true EP1533006B1 (en) 2006-12-20

Family

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Family Applications (1)

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EP04354035A Expired - Lifetime EP1533006B1 (en) 2003-11-24 2004-10-06 Ice axe with adjustable handle

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US (1) US7225544B2 (en)
EP (1) EP1533006B1 (en)
DE (1) DE602004003772T2 (en)
ES (1) ES2278290T3 (en)
FR (1) FR2862544B1 (en)

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Also Published As

Publication number Publication date
FR2862544A1 (en) 2005-05-27
ES2278290T3 (en) 2007-08-01
DE602004003772T2 (en) 2007-10-11
EP1533006A1 (en) 2005-05-25
US7225544B2 (en) 2007-06-05
DE602004003772D1 (en) 2007-02-01
US20050108881A1 (en) 2005-05-26
FR2862544B1 (en) 2006-02-17

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