EP2978504B1 - Part, device and method for locking a rope - Google Patents

Part, device and method for locking a rope Download PDF

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Publication number
EP2978504B1
EP2978504B1 EP14712295.6A EP14712295A EP2978504B1 EP 2978504 B1 EP2978504 B1 EP 2978504B1 EP 14712295 A EP14712295 A EP 14712295A EP 2978504 B1 EP2978504 B1 EP 2978504B1
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EP
European Patent Office
Prior art keywords
rope
strand
ring
snap hook
slot
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EP14712295.6A
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German (de)
French (fr)
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EP2978504A1 (en
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Michel Durand
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Individual
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Individual
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00—Devices for lowering persons from buildings or the like
    • A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
    • A62B1/14—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brakes sliding on the rope
    • 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
    • A63B29/02—Mountain guy-ropes or accessories, e.g. avalanche ropes; Means for indicating the location of accidentally buried, e.g. snow-buried, persons

Definitions

  • the present invention relates to a part for a device for locking a rope for climbing, boating, mountaineering, caving, rescue or for any other activity using ropes, as well as a locking device comprising this room.
  • the present invention also relates to a method for locking such a rope.
  • mountaineers or cavers make so-called "Dufour" knots with the rope, which allow them to descend on one strand and recall the rope with the other strand remaining free and thus to perform a succession of short abseils without having to to undo the tie-in knot.
  • Another solution consists of a material in the form of a hook which makes it possible to recover the rope by interacting on said hook with a cord of length equivalent to the recall carried out.
  • This technique is only used by seasoned specialists, because it meets strict rules for setting up and handling ropes.
  • the document US20030034203 describes another piece for a rope locking device which can rotate to lock and unlock the rope.
  • the document CA2297356 describes an electrical mechanism for removing a rope from a carabiner.
  • An object of the present invention is to provide a device for locking a rope which makes it possible to fix and lock the rope in an infallible and reliable manner.
  • Another object of the invention is that of proposing a device for blocking a rope which makes it possible to reuse the material used for a new rappel.
  • Another object is to provide a device that reduces the required tie-in equipment by half.
  • the ring is of substantially oval shape.
  • the first strand of the rope comprises the "frame", that is to say the strand of the rope which remains fixed and allows the descent or the ascent of a user.
  • the second strand of the rope comprises the "current", that is to say the free strand of a rope intended to be woven or to make a knot, and a securing loop.
  • This ejection mechanism is configured to move in a first direction, for example downward, when the first strand is tensioned, thereby blocking the second strand.
  • This ejection mechanism is also configured to move in a second direction opposite to the first, therefore for example upwards, when the first strand is released, thus unlocking the second strand.
  • the device according to the invention blocks the rope when it is put under tension, and releases it when it is released. It is therefore both a rope locking device and a rope release device. Its user therefore benefits from a strong belay point that can be neutralized from a distance.
  • the abseiling lengths are doubled for an equivalent material weight, or else the weight is reduced by half for the same abseiling length.
  • the efficiency of the tying equipment is improved, also making it possible to avoid risky abseiling rope recovery techniques.
  • the part according to the invention therefore allows the blocking (and unblocking) of a rope remotely by releasing a finger or ejection button actuated by a mechanical control.
  • the fact of using a precise and defined tension on the rope as a switching system makes, in this type of activity, the mechanism infallible and reliable even in extreme conditions of use.
  • the ejection mechanism comprises a movable ejector finger, and an elastic element, for example a spring.
  • the movable ejector finger is arranged to slide through a through hole on the upper surface of the workpiece.
  • the part comprises an upper slot and a side slot.
  • the upper slot is defined by the upper surface and the part of the part comprising the hole.
  • the top surface includes teeth or spikes.
  • the upper surface has an inclination with respect to a horizontal line of an angle comprised between 15° and 25°, for example 20°.
  • the part comprises a means, for example another hole, arranged to make a locking point for the rope.
  • the part comprises a remote electronic control module for the ejection mechanism.
  • the ring which in a preferential variant has an oval shape, or the carabiner is arranged to slide in the upper slot and/or in the side slot of the part.
  • the ring or carabiner is configured to slide in the side slot in the first direction, for example downward, when the rope is tensioned, so as to move the ejection mechanism in the first direction and lock the loop mooring formed by the rope.
  • the method can include the step of remote control of the ejection mechanism.
  • the material used can therefore be recovered.
  • the device is characterized by a fixed main body [ ⁇ ] through which the cord [R] circulates in the orifices [A] and [B].
  • the device is characterized in that when mobilizing the mobile ring or a carabiner of suitable size, it interacts directly on the rope at [R1, R2], causing the partial closure of the light [ AT].
  • the device is characterized in that closing the lumen at [A] blocks the rope [R] at [R1, R4].
  • the device is characterized by arming an ejection finger [P1], remotely controlled by releasing the rope or any other remote-controlled electronic process.
  • the device is characterized by the formation of a solid loop [D] of adaptable size between the orifices [A] and [B] of the main body [ ⁇ ] allowing the securing of the assembly [ ⁇ , G ,R,P] to a fixed point shown in [E].
  • the device is characterized in that the main body [ ⁇ ] resting downstream on a blocking node [R4] or any other blocking element and upstream on the blocking of the rope in [A] , creates a solid loop [D] of variable size.
  • the device is characterized in that a tight knot [R6] on a mobile ring or a carabiner of suitable size [G] in an area [C] comes to rest on said attachment point [E] and allow the stowage of the abseiling rope [R] on which the user can freely descend or climb on the end of the rope [R7].
  • the device is characterized in that when the strand of the rope [R7] is released, a mechanical or electronic communication is transmitted and picked up by the ejection mechanism [P] so that it resumes its position high resting position by releasing the spring [P2] or any other mechanism allowing a similar result.
  • the device is characterized in that the return to the high position of the ejection mechanism [P] also allows the return to the high position of the mobile ring or of the carabiner of suitable size [G].
  • the device is characterized in that the return to the high position of the mobile ring or of the snap hook of suitable size [G], opens the slot [A]. Since the compression at [3] of the rope at [R1,R2] is no longer ensured by the mobile ring or a carabiner of suitable size [G], the abseiling rope [R] is then released from the hole [ A] of the device [ ⁇ ].
  • the device is characterized in that releasing the rope at [A] releases the loop [D] at its securing point [E].
  • the figure 2 illustrates a device for locking a rope for climbing, boating, mountaineering, caving, or for any other activity using ropes according to one embodiment of the invention.
  • the ring has an oval shape.
  • the ⁇ part illustrated in detail on the figures 1A to 1D , comprises at least one slot or groove to cooperate with the oval-shaped ring or carabiner G.
  • the part ⁇ comprises two grooves, an upper groove 1, visible on the Figure 1A , and a lateral groove 2, visible on the figure 1C .
  • the grooves 1, 2 are arranged to receive at least part of the oval-shaped ring or carabiner G, and in particular they have a shape arranged so that the ring or carabiner G can slide in these grooves.
  • Part ⁇ includes a movable finger or ejection mechanism P, visible in detail on the figure 2 .
  • this ejection mechanism P comprises an ejection pusher P1, a spring P2, and a plug P3.
  • Part ⁇ comprises in correspondence of its upper groove 1 a hole T, visible on the Figure 1A , configured to allow passage of the ejection pusher P1.
  • the ejection pusher P1 opens into the upper groove 1 of the part ⁇ .
  • the present invention is not limited to the presence of a spring, but any other elastic device or elastic mechanism can be used in its place.
  • the spring can be replaced by an elastic paste or jelly, or by a piston compressing a certain quantity of fluid, for example air, or any other equivalent means.
  • the plug P3 is a disk which has a thickness of less than 5 mm, for example equal to 3 mm.
  • This plug P3 has the sole function of acting as a support for the spring P2 or any other elastic means equivalent to the part ⁇ .
  • the plug P3 can be glued to the part ⁇ , or else screwed to this part or even be blocked in place by a rivet or any other appropriate means.
  • the part ⁇ can be made of metal, plastic or composite. It can consist of a single piece (monobloc), or be made by assembling different pieces.
  • hole B The function of hole B is to block the rope in at least one point. In other words, hole B allows you to make a locking point for the rope. Alternatively, hole B can be replaced by a self-tightening notch, a hook, or any other device that allows the rope to be blocked at one point.
  • the distance between the two holes A and B must be sufficient to prevent the part of the rope R3 visible on the picture 3 compresses the part of the rope R2, still visible on the picture 3 , when tensioning the rope, as will be seen later.
  • the distance between the two holes A and B is in a variant greater than 20 mm, for example greater than 40 mm.
  • the holes A and/or B are chamfered on the outside.
  • holes D are not necessary for the operation of the blocking device. These holes may therefore be absent.
  • the part ⁇ comprises a substantially horizontal surface 3 which is not smooth, because it comprises teeth.
  • the adjective “horizontal” indicates that the surface is substantially perpendicular to the direction of the force of gravity during use of the blocking device.
  • the surface 3 is not toothed, but it can also be crenellated or include peaks.
  • the oval-shaped ring or the carabiner G comprises, at least in correspondence of its part which cooperates with the surface 3 of the part ⁇ , a non-smooth surface, then the surface 3 can be devoid of teeth.
  • the surface 3 is not horizontal, but it has an inclination with respect to a horizontal line by an angle comprised in the range 15°-25°, for example 20°.
  • the surface of the oval-shaped ring or G carabiner can be smooth.
  • the part ⁇ will be easier to manufacture, and also lighter.
  • a knot or any other blocking mechanism in correspondence of hole B prevents any sliding in R3.
  • the strand of rope R5 is connected without tension to the oval-shaped ring or carabiner G using a tight knot R6, for example a double mooring knot as shown in the picture 3 , or any other type of tight knot, for example "double capstan knot” or "bump knot”.
  • the function of the R6 knot is therefore to attach the R rope to the oval-shaped ring or carabiner G, and above all to ensure that even under tension the rope at R5 remains perfectly relaxed.
  • the oval-shaped ring or the carabiner G slides in the grooves 1 and/or 2 of the part ⁇ .
  • the oval-shaped ring or the carabiner G transmits on the one hand directly the force of tension in a zone corresponding to the intersection between the hole A and the groove 1, and on the other hand it comes to arm in position low the ejector system P of the figure 2 by compression of the spring P2.
  • the oval-shaped ring or the carabiner G then turns into a tightening instrument, sufficiently closing the hole A (for example at least 80% of the hole is closed) and dragging parts of the rope R1 by compression and pinching, R2 and R3 blocking loop D between points A and B.
  • the rope R is therefore strongly compressed, without being cut or damaged, between the oval-shaped ring or the carabiner G and the upper surface 3 of the part ⁇ visible on the figure 1D .
  • the ejector finger P1 is then pressurized until it tends to disappear into the body of the device through the hole T.
  • Blocking the rope therefore allows the user to descend or climb freely on the "dormant" rope strand R7.
  • the return to the "high" position of the ejection mechanism P also allows the oval-shaped ring or the carabiner G to slide upwards. This return to the high position of the ring or the carabiner G opens the hole A. In other words, the release of the tension aided in addition by the release of the ejector finger P1 brings the oval-shaped ring or the carabiner G back to their initial rest position allowing the release of the rope.
  • the ring or carabiner G therefore constitutes both the attachment member and the adjustable clamping member cooperating with the upper surface 3 of the part ⁇ .
  • the device thus produced, provides optimum safety in extreme weather conditions, both at the level of the rope blocking, and during the recovery of the housing assembly with rope.
  • the ejection button P1 can be controlled remotely by releasing and/or tensioning the rope R and also by a remote-controlled electronic process. For example, when the strand of the rope R7 is released, a communication is transmitted and picked up by the ejection mechanism P so that it resumes its "high" rest position by the relaxation of the spring P2 or any other mechanism allowing a similar result.

Description

Domaine techniqueTechnical area

La présente invention concerne une pièce pour un dispositif de blocage d'une corde pour l'escalade, le nautisme, l'alpinisme, la spéléologie, le sauvetage ou pour tout autre activité utilisant des cordes, ainsi qu'un dispositif de blocage comprenant cette pièce. La présente invention concerne également un procédé de blocage d'une telle corde.The present invention relates to a part for a device for locking a rope for climbing, boating, mountaineering, caving, rescue or for any other activity using ropes, as well as a locking device comprising this room. The present invention also relates to a method for locking such a rope.

Etat de la techniqueState of the art

Actuellement, de manière générale, les alpinistes ou spéléologues mettent en place de lourdes cordes bicolores de plus de 80 m pour des rappels de 40 m. Il est donc nécessaire d'utiliser une corde ayant une longueur qui est double par rapport à celle des rappels.Currently, in general, mountaineers or speleologists set up heavy two-tone ropes of more than 80 m for rappels of 40 m. It is therefore necessary to use a rope having a length which is twice that of the reminders.

Dans ce contexte, les alpinistes ou spéléologues font avec la corde des nœuds dits « Dufour », qui permettent de descendre sur un brin et de rappeler la corde avec l'autre brin resté libre et ainsi d'effectuer une succession de rappels courts sans avoir à défaire le nœud d'encordement.In this context, mountaineers or cavers make so-called "Dufour" knots with the rope, which allow them to descend on one strand and recall the rope with the other strand remaining free and thus to perform a succession of short abseils without having to to undo the tie-in knot.

De manière plus sporadique, une autre solution est constitutive d'un matériel en forme de crochet qui permet de récupérer la corde en interagissant sur ledit crochet avec une cordelette de longueur équivalente au rappel effectué. Cette technique est uniquement utilisée par des spécialistes aguerris, car elle répond à des règles strictes de mise en place et de maniement de cordes.More sporadically, another solution consists of a material in the form of a hook which makes it possible to recover the rope by interacting on said hook with a cord of length equivalent to the recall carried out. This technique is only used by seasoned specialists, because it meets strict rules for setting up and handling ropes.

Dans des situations extrêmes, certains utilisateurs expérimentés se résignent à mettre en place un système de nœuds dit « nœud kamikaze » ou « nœud de jambe de chien coupé ». Ces techniques de boucles sur corde sont rarement utilisées, car le serrage des ganses sur elles-mêmes est très aléatoire et peut à tout moment, selon le type de corde utilisé ou les conditions climatiques, se défaire.In extreme situations, some experienced users resign themselves to setting up a system of knots called "kamikaze knot" or "cut dog leg knot". These techniques of rope loops are rarely used, because the tightening of the loops on themselves is very random and can come undone at any time, depending on the type of rope used or the weather conditions.

Une autre solution consiste à fixer la corde en « simple » et à descendre sur toute sa longueur. Cette méthode ne permet pas une réutilisation de son matériel pour un nouveau rappel. L'abandon du matériel sur une face provoque, outre un coût financier important, une pollution visuelle des sites et de plus dangereuse (fiabilité incertaine de la corde fixe).Another solution is to fix the rope "single" and descend over its entire length. This method does not allow re-use of its material for a new recall. The abandonment of equipment on one side causes, in addition to a significant financial cost, visual pollution of the sites and more dangerous (uncertain reliability of the fixed rope).

Le document US20120111665 décrit une pièce pour un dispositif de blocage d'une corde comprenant un trou fait par deux parties, une partie inférieure et une partie supérieure. Un mousqueton est mobile dans le trou entre la partie inférieure et la partie supérieure. En particulier :

  • quand le mousqueton se trouve dans la partie inférieure, la corde n'est pas bloquée;
  • quand le mousqueton se trouve dans la partie supérieure, la corde est bloquée.
L'utilisateur pour débloquer la corde doit manuellement déplacer le corps de la pièce de façon à faire retourner le mousqueton depuis la partie supérieure vers la partie inférieure du trou.The document US20120111665 describes a part for a rope blocking device comprising a hole made by two parts, a lower part and an upper part. A carabiner is movable in the hole between the lower part and the upper part. Specifically :
  • when the carabiner is in the lower part, the rope is not blocked;
  • when the carabiner is in the upper part, the rope is blocked.
To unlock the rope, the user must manually move the body of the piece so as to return the carabiner from the upper part to the lower part of the hole.

Le document US4019609 décrit une pièce qui permet l'utilisation de deux mousquetons, grâce à sa forme unique et particulière.The document US4019609 describes a piece that allows the use of two carabiners, thanks to its unique and particular shape.

Le document US20030034203 décrit une autre pièce pour un dispositif de blocage d'une corde dans qui peut tourner pour bloquer et débloquer la corde.The document US20030034203 describes another piece for a rope locking device which can rotate to lock and unlock the rope.

Le document CA2297356 décrit un mécanisme électrique pour retirer une corde d'un mousqueton.The document CA2297356 describes an electrical mechanism for removing a rope from a carabiner.

Bref résumé de l'inventionBrief summary of the invention

Un but de la présente invention est de proposer un dispositif de blocage d'une corde qui permet de fixer et bloquer la corde d'une façon infaillible et fiable.An object of the present invention is to provide a device for locking a rope which makes it possible to fix and lock the rope in an infallible and reliable manner.

Un autre but de l'invention est celui de proposer un dispositif de blocage d'une corde qui permet de réaliser la manœuvre de corde « rappel sur corde simple » de façon plus efficace par rapport aux solutions connues.Another object of the invention is that of proposing a device for locking a rope which makes it possible to carry out the “single rope abseiling” rope maneuver more efficiently compared to known solutions.

Un autre but de l'invention est celui de proposer un dispositif de blocage d'une corde qui permet de réutiliser le matériel utilisé pour un nouveau rappel.Another object of the invention is that of proposing a device for blocking a rope which makes it possible to reuse the material used for a new rappel.

Un autre but est de proposer un dispositif allégeant de moitié le matériel d'encordement nécessaire.Another object is to provide a device that reduces the required tie-in equipment by half.

Selon l'invention, ces buts sont atteints notamment au moyen d'une pièce pour un dispositif de blocage d'une corde pour l'escalade, le nautisme, l'alpinisme, la spéléologie ou le sauvetage, ladite corde comprenant au moins un premier brin et un deuxième brin, ladite pièce comprenant

  • au moins un trou arrangé pour recevoir la corde,
  • au moins une fente arrangée pour coopérer avec un anneau ou un mousqueton,
  • un mécanisme d'éjection.
According to the invention, these objects are achieved in particular by means of a part for a device for blocking a rope for climbing, boating, mountaineering, caving or rescue, said rope comprising at least a first strand and a second strand, said part comprising
  • at least one hole arranged to receive the rope,
  • at least one slot arranged to cooperate with a ring or a carabiner,
  • an ejection mechanism.

Dans une variante préférentielle, l'anneau est de forme sensiblement ovale.In a preferred variant, the ring is of substantially oval shape.

Dans une variante préférentielle, le premier brin de la corde comprend le « dormant », c'est-à-dire le brin de la corde qui reste fixe et permet la descente ou la montée d'un utilisateur.In a preferred variant, the first strand of the rope comprises the "frame", that is to say the strand of the rope which remains fixed and allows the descent or the ascent of a user.

Dans une variante préférentielle, le deuxième brin de la corde comprend le « courant », c'est-à-dire le brin libre d'une corde destinée à être tissée ou faire un nœud, et une boucle d'arrimage.In a preferred variant, the second strand of the rope comprises the "current", that is to say the free strand of a rope intended to be woven or to make a knot, and a securing loop.

Ce mécanisme d'éjection est configuré pour se déplacer dans une première direction, par exemple vers le bas, lorsque le premier brin est mis sous tension, en bloquant ainsi le deuxième brin.This ejection mechanism is configured to move in a first direction, for example downward, when the first strand is tensioned, thereby blocking the second strand.

Ce mécanisme d'éjection est configuré également pour se déplacer dans une deuxième direction opposée à la première, donc par exemple vers le haut, lorsque le premier brin est relâché, en débloquant ainsi le deuxième brin.This ejection mechanism is also configured to move in a second direction opposite to the first, therefore for example upwards, when the first strand is released, thus unlocking the second strand.

Donc, le dispositif selon l'invention bloque la corde lors de sa mise sous tension, et la libère lors de son relâchement. Il est donc à la fois un dispositif de blocage de la corde, et un dispositif de déblocage de cette corde. Son utilisateur bénéficie donc d'un point d'assurage fort et neutralisable à distance. Ainsi, les longueurs de rappels s'en trouvent doublées pour un poids en matériel équivalent, ou bien le poids est diminué de moitié pour la même longueur de rappel. Comme le rapport longueur de corde disponible sur longueur de corde utilisée devient proche de un, l'efficience du matériel d'encordement s'en trouve améliorée, permettant également d'éviter les techniques hasardeuses de récupération de corde de rappel.Therefore, the device according to the invention blocks the rope when it is put under tension, and releases it when it is released. It is therefore both a rope locking device and a rope release device. Its user therefore benefits from a strong belay point that can be neutralized from a distance. Thus, the abseiling lengths are doubled for an equivalent material weight, or else the weight is reduced by half for the same abseiling length. As the ratio of length of rope available to length of rope used becomes close to one, the efficiency of the tying equipment is improved, also making it possible to avoid risky abseiling rope recovery techniques.

La pièce selon l'invention permet donc le blocage (et déblocage) d'une corde à distance par libération d'un doigt ou poussoir d'éjection actionné par un contrôle mécanique. Le fait d'utiliser comme système de commutation une tension sur corde précise et définie rend, dans ce type d'activité, le mécanisme infaillible et fiable même dans des conditions d'utilisation extrêmes.The part according to the invention therefore allows the blocking (and unblocking) of a rope remotely by releasing a finger or ejection button actuated by a mechanical control. The fact of using a precise and defined tension on the rope as a switching system makes, in this type of activity, the mechanism infallible and reliable even in extreme conditions of use.

La pièce selon l'invention étant récupérable, il n'est plus nécessaire de laisser à demeure en paroi du matériel coûteux et visuellement polluant.Since the part according to the invention can be recovered, it is no longer necessary to leave expensive and visually polluting equipment permanently on the wall.

Le mécanisme d'éjection comprend un doigt éjecteur mobile, et un élément élastique, par exemple un ressort.The ejection mechanism comprises a movable ejector finger, and an elastic element, for example a spring.

Le doigt éjecteur mobile est arrangé pour coulisser à travers un trou débouchant sur la surface supérieure de la pièce.The movable ejector finger is arranged to slide through a through hole on the upper surface of the workpiece.

Dans une autre variante, la pièce comprend une fente supérieure et une fente latérale.In another variant, the part comprises an upper slot and a side slot.

Dans une variante la fente supérieure est définie par la surface supérieure et la partie de la pièce comprenant le trou.In a variant, the upper slot is defined by the upper surface and the part of the part comprising the hole.

Dans une variante, la surface supérieure comprend des dents ou des pics.Alternatively, the top surface includes teeth or spikes.

Dans une autre variante, la surface supérieure possède une inclinaison par rapport à une ligne horizontale d'un angle compris entre 15° et 25°, par exemple de 20°.In another variant, the upper surface has an inclination with respect to a horizontal line of an angle comprised between 15° and 25°, for example 20°.

Dans une autre variante, la pièce comprend un moyen, par exemple un autre trou, arrangé pour faire un point de blocage de la corde.In another variant, the part comprises a means, for example another hole, arranged to make a locking point for the rope.

Dans une autre variante, la pièce comprend un module de commande électronique à distance du mécanisme d'éjection.In another variant, the part comprises a remote electronic control module for the ejection mechanism.

La présente invention concerne également un dispositif de blocage d'une corde pour l'escalade, le nautisme, l'alpinisme, la spéléologie et le sauvetage, comprenant

  • la pièce selon l'invention,
  • un anneau ou un mousqueton.
The present invention also relates to a device for blocking a rope for climbing, boating, mountaineering, caving and rescue, comprising
  • the part according to the invention,
  • a ring or carabiner.

Avantageusement, l'anneau, qui dans une variante préférentielle a une forme ovale, ou le mousqueton est arrangé pour coulisser dans la fente supérieure et/ou dans la fente latérale de la pièce.Advantageously, the ring, which in a preferential variant has an oval shape, or the carabiner is arranged to slide in the upper slot and/or in the side slot of the part.

L'anneau ou le mousqueton est configuré pour coulisser dans la fente latérale dans la première direction, par exemple vers le bas, lorsque la corde est mise sous tension, de façon à déplacer dans la première direction le mécanisme d'éjection et verrouiller la boucle d'amarrage formée par la corde.The ring or carabiner is configured to slide in the side slot in the first direction, for example downward, when the rope is tensioned, so as to move the ejection mechanism in the first direction and lock the loop mooring formed by the rope.

L'anneau de forme ovale ou le mousqueton est configuré pour coulisser dans la fente latérale dans la deuxième direction, par exemple vers le haut, lorsque la corde est relâchée, de façon à déplacer dans la deuxième direction le mécanisme d'éjection en débloquant ainsi la boucle d'amarrage formée par la corde.The oval-shaped ring or the carabiner is configured to slide in the side slot in the second direction, for example upwards, when the rope is released, so as to move the ejection mechanism in the second direction, thereby releasing the mooring loop formed by the rope.

La présente invention concerne également un procédé de blocage d'une corde pour l'escalade, le nautisme, l'alpinisme, la spéléologie ou le sauvetage, la corde comprenant un premier brin et un deuxième brin, le procédé comprenant les étapes suivantes :

  • Réaliser un nœud de blocage de la corde sur un mousqueton ou sur l'anneau. Par exemple le nœud de blocage peut être un nœud d'alouette. Pendant cette étape, le deuxième brin de la corde, comprenant le courant, doit être suffisant pour l'amarrage.
  • Réaliser un point de blocage de la corde sur une pièce, en créant une boucle lâche entre le nœud de blocage de la corde et le point de blocage de la corde. Ce point de blocage peut être par exemple un nœud et permet de bloquer une extrémité du deuxième brin.
  • Introduire le mousqueton ou l'anneau dans au moins une fente de ladite pièce.
  • Faire passer le deuxième brin dans un point d'ancrage, en créant une boucle d'arrimage.
  • Faire passer le deuxième brin dans un trou de la pièce.
  • Lors d'une tension de la corde sur le premier brin par un utilisateur, déplacement de l'anneau ou d'un mousqueton dans au moins une fente de la pièce dans une première direction.
  • Déplacement d'un mécanisme d'éjection de pièce dans la première direction.
  • Blocage du deuxième brin entre l'anneau ou mousqueton et une surface supérieure de la pièce.
The present invention also relates to a method for locking a rope for climbing, boating, mountaineering, caving or rescue, the rope comprising a first strand and a second strand, the method comprising the following steps:
  • Make a locking knot in the rope on a carabiner or on the ring. For example, the blocking knot can be a lark's knot. During this stage, the second strand of the rope, including the current, should be sufficient for mooring.
  • Make a rope locking stitch on a piece, creating a loose loop between the rope locking knot and the rope locking point. This blocking point can for example be a knot and makes it possible to block one end of the second strand.
  • Introduce the carabiner or the ring in at least one slot of said part.
  • Pass the second strand through an anchor point, creating a lashing loop.
  • Pass the second strand through a hole in the piece.
  • When the rope is tensioned on the first strand by a user, movement of the ring or of a carabiner in at least one slot of the part in a first direction.
  • Movement of a part ejection mechanism in the first direction.
  • Blocking of the second strand between the ring or carabiner and an upper surface of the part.

Le procédé peut comprendre les étapes suivantes :

  • Lorsque l'utilisateur n'exerce plus de tension sur le premier brin, déplacement du mécanisme d'éjection dans une deuxième direction opposée à la première.
  • Déplacement de l'anneau ou mousqueton dans la deuxième direction.
  • Déblocage du deuxième brin.
The process may include the following steps:
  • When the user no longer exerts tension on the first strand, displacement of the ejection mechanism in a second direction opposite to the first.
  • Movement of the ring or carabiner in the second direction.
  • Release of the second strand.

Avantageusement, le procédé peut comprendre l'étape de commande à distance du mécanisme d'éjection.Advantageously, the method can include the step of remote control of the ejection mechanism.

Le matériau utilisé peut donc être récupéré.The material used can therefore be recovered.

La présente invention concerne également un dispositif de blocage de corde dynamique pour corde en simple, notamment pour l'alpinisme, la spéléologie ou toute autre activité utilisant des cordes servant à doubler la longueur des rappels tout en permettant la récupération de la corde et du dispositif de blocage, caractérisé par un corps principal [Ω] métallique ou plastique dur, un système d'éléments mobiles solidaires constitué par un anneau mobile ou un mousqueton de taille adaptée [G] et d'un doigt d'éjection [P] mobilisé mécaniquement ou électroniquement.The present invention also relates to a dynamic rope blocking device for a single rope, in particular for mountaineering, caving or any other activity using ropes used to double the length of rappels while allowing the recovery of the rope and the device. blocking device, characterized by a main body [Ω] of metal or hard plastic, a system of integral mobile elements consisting of a mobile ring or a carabiner of suitable size [G] and an ejection finger [P] mechanically mobilized or electronically.

Dans une variante, le dispositif est caractérisé par un corps principal [Ω] fixe par lequel circule la corde [R] dans les orifices [A] et [B].In a variant, the device is characterized by a fixed main body [Ω] through which the cord [R] circulates in the orifices [A] and [B].

Dans une variante, le dispositif est caractérisé en ce que lors de la mobilisation de l'anneau mobile ou d'un mousqueton de taille adaptée, il interagit directement sur la corde en [R1, R2], provoquant la fermeture partielle de la lumière [A].In a variant, the device is characterized in that when mobilizing the mobile ring or a carabiner of suitable size, it interacts directly on the rope at [R1, R2], causing the partial closure of the light [ AT].

Dans une variante, le dispositif est caractérisé en ce que la fermeture de la lumière en [A] bloque la corde [R] en [R1, R4].In a variant, the device is characterized in that closing the lumen at [A] blocks the rope [R] at [R1, R4].

Dans une variante, le dispositif est caractérisé par l'armement d'un doigt d'éjection [P1], commandé à distance par le relâchement de la corde ou tout autre procédé électronique télécommandé.In a variant, the device is characterized by arming an ejection finger [P1], remotely controlled by releasing the rope or any other remote-controlled electronic process.

Dans une variante, le dispositif est caractérisé par la formation d'une boucle solide [D] de dimension adaptable entre les orifices [A] et [B] du corps principal [Ω] permettant l'arrimage de l'ensemble [Ω,G,R,P] à un point fixe figuré en [E].In a variant, the device is characterized by the formation of a solid loop [D] of adaptable size between the orifices [A] and [B] of the main body [Ω] allowing the securing of the assembly [Ω, G ,R,P] to a fixed point shown in [E].

Dans une variante, le dispositif est caractérisé en ce que le corps principal [Ω] prenant appui en aval sur un nœud de blocage [R4] ou tout autre élément bloqueur et en amont sur le blocage de la corde en [A] , crée une boucle solide [D] de taille variable.In a variant, the device is characterized in that the main body [Ω] resting downstream on a blocking node [R4] or any other blocking element and upstream on the blocking of the rope in [A] , creates a solid loop [D] of variable size.

Dans une variante, le dispositif est caractérisé en ce qu'un nœud serré [R6] sur un anneau mobile ou un mousqueton de taille adaptée [G] en une zone [C], vient prendre appui sur ledit point de fixation [E] et permettre l'arrimage de la corde de rappel [R] sur laquelle l'utilisateur peut librement descendre ou monter sur le brin de corde [R7].In a variant, the device is characterized in that a tight knot [R6] on a mobile ring or a carabiner of suitable size [G] in an area [C] comes to rest on said attachment point [E] and allow the stowage of the abseiling rope [R] on which the user can freely descend or climb on the end of the rope [R7].

Dans une variante, le dispositif est caractérisé en ce qu'au moment du relâchement du brin de la corde [R7], une communication mécanique ou électronique est transmise et captée par le mécanisme d'éjection [P] pour qu'il reprenne sa position de repos haute par la détente du ressort [P2] ou tout autre mécanisme permettant un résultat similaire.In a variant, the device is characterized in that when the strand of the rope [R7] is released, a mechanical or electronic communication is transmitted and picked up by the ejection mechanism [P] so that it resumes its position high resting position by releasing the spring [P2] or any other mechanism allowing a similar result.

Dans une variante, le dispositif est caractérisé en ce que le retour en position haute du mécanisme d'éjection [P] permet également le retour en position haute de l'anneau mobile ou du mousqueton de taille adaptée [G].In a variant, the device is characterized in that the return to the high position of the ejection mechanism [P] also allows the return to the high position of the mobile ring or of the carabiner of suitable size [G].

Dans une variante, le dispositif est caractérisé en ce que le retour en position haute de l'anneau mobile ou du mousqueton de taille adaptée [G], ouvre la lumière [A]. La compression en [3] de la corde en [R1,R2] n'étant plus assurée par l'anneau mobile ou un mousqueton de taille adaptée [G], la corde de rappel [R] est alors libérée de l'orifice [A] du dispositif [Ω].In a variant, the device is characterized in that the return to the high position of the mobile ring or of the snap hook of suitable size [G], opens the slot [A]. Since the compression at [3] of the rope at [R1,R2] is no longer ensured by the mobile ring or a carabiner of suitable size [G], the abseiling rope [R] is then released from the hole [ A] of the device [Ω].

Dans une variante, le dispositif est caractérisé en ce que la libération de la corde en [A] libère la boucle [D] en son point d'arrimage [E].In a variant, the device is characterized in that releasing the rope at [A] releases the loop [D] at its securing point [E].

Brève description des figuresBrief description of figures

Des exemples de mise en œuvre de l'invention sont indiqués dans la description illustrée par les figures annexées dans lesquelles :

  • Les figures 1A à 1D illustrent respectivement une vue de droite, de face, de gauche respectivement de dessus d'un mode de réalisation d'une pièce pour un dispositif de blocage selon un mode de réalisation de l'invention.
  • La figure 2 illustre une vue de face d'un dispositif de blocage de la corde selon un mode de réalisation de l'invention, comprenant une pièce selon l'invention et un mousqueton. Une partie de la pièce est montrée de façon éclatée, afin de montrer sa partie intérieure.
  • La figure 3 illustre une vue de face du dispositif de blocage de la corde selon un mode de réalisation de l'invention, comprenant une pièce selon l'invention et un mousqueton, et notamment son interaction avec une corde.
Examples of implementation of the invention are indicated in the description illustrated by the appended figures in which:
  • The figures 1A to 1D respectively illustrate a view from the right, from the front, from the left respectively from above of an embodiment of a part for a locking device according to an embodiment of the invention.
  • The figure 2 illustrates a front view of a rope locking device according to one embodiment of the invention, comprising a part according to the invention and a carabiner. Part of the part is shown exploded, to show its inner part.
  • The picture 3 illustrates a front view of the rope locking device according to one embodiment of the invention, comprising a part according to the invention and a carabiner, and in particular its interaction with a rope.

Exemple(s) de mode(s) de réalisation de l'inventionExample(s) of embodiment(s) of the invention

La figure 2 illustre un dispositif de blocage d'une corde pour l'escalade, le nautisme, l'alpinisme, la spéléologie, ou pour tout autre activité utilisant des cordes selon un mode de réalisation de l'invention.The figure 2 illustrates a device for locking a rope for climbing, boating, mountaineering, caving, or for any other activity using ropes according to one embodiment of the invention.

Ce dispositif comprend :

  • une pièce ou corps principal Ω;
  • un anneau ou un mousqueton G.
This device includes:
  • a main part or body Ω;
  • a ring or a G carabiner.

Dans une variante préférentielle l'anneau a une forme ovale.In a preferred variant, the ring has an oval shape.

La pièce Ω, illustrée en détail sur les figures 1A à 1D, comprend au moins une fente ou gorge pour coopérer avec l'anneau de forme ovale ou mousqueton G. Dans les exemples illustrés, la pièce Ω comprend deux gorges, une gorge supérieure 1, visible sur la figure 1A, et une gorge latérale 2, visible sur la figure 1C.The Ω part, illustrated in detail on the figures 1A to 1D , comprises at least one slot or groove to cooperate with the oval-shaped ring or carabiner G. In the examples illustrated, the part Ω comprises two grooves, an upper groove 1, visible on the Figure 1A , and a lateral groove 2, visible on the figure 1C .

Les gorges 1, 2 sont arrangées pour recevoir au moins une partie de l'anneau de forme ovale ou mousqueton G, et notamment elles ont une forme arrangée de sorte que l'anneau ou mousqueton G puisse coulisser dans ces gorges.The grooves 1, 2 are arranged to receive at least part of the oval-shaped ring or carabiner G, and in particular they have a shape arranged so that the ring or carabiner G can slide in these grooves.

La pièce Ω comprend un doigt mobile ou mécanisme d'éjection P, visible en détail sur la figure 2. Dans l'exemple illustré, ce mécanisme d'éjection P comprend un poussoir d'éjection P1, un ressort P2, et un bouchon P3.Part Ω includes a movable finger or ejection mechanism P, visible in detail on the figure 2 . In the example illustrated, this ejection mechanism P comprises an ejection pusher P1, a spring P2, and a plug P3.

La pièce Ω comprend en correspondance de sa gorge supérieure 1 un trou T, visible sur la figure 1A, configuré pour permettre le passage du poussoir d'éjection P1. Dans l'exemple de la figure 1A le poussoir d'éjection P1 débouche dans la gorge supérieure 1 de la pièce Ω.Part Ω comprises in correspondence of its upper groove 1 a hole T, visible on the Figure 1A , configured to allow passage of the ejection pusher P1. In the example of the Figure 1A the ejection pusher P1 opens into the upper groove 1 of the part Ω.

Même si la figure 2 illustre un ressort P2, la présente invention n'est pas limitée à la présence d'un ressort, mais tout autre dispositif élastique ou mécanisme élastique peut être utilisé à sa place. Par exemple le ressort peut être remplacé par une pâte ou gelée élastique, ou par un piston comprimant une certaine quantité de fluide, par exemple d'air, ou tout autre moyen équivalent.Even though the figure 2 illustrates a spring P2, the present invention is not limited to the presence of a spring, but any other elastic device or elastic mechanism can be used in its place. For example, the spring can be replaced by an elastic paste or jelly, or by a piston compressing a certain quantity of fluid, for example air, or any other equivalent means.

Dans une variante, le bouchon P3 est un disque qui a une épaisseur inférieure à 5 mm, par exemple égale à 3 mm. Ce bouchon P3 a la seule fonction de servir d'appui au ressort P2 ou tout autre moyen élastique équivalent à la pièce Ω. Le bouchon P3 peut être collé à la pièce Ω, ou bien vissé à cette pièce ou encore être bloqué en place par un rivet ou tout autre moyen approprie.In a variant, the plug P3 is a disk which has a thickness of less than 5 mm, for example equal to 3 mm. This plug P3 has the sole function of acting as a support for the spring P2 or any other elastic means equivalent to the part Ω. The plug P3 can be glued to the part Ω, or else screwed to this part or even be blocked in place by a rivet or any other appropriate means.

Comme l'anneau de forme ovale ou mousqueton G peut coulisser par rapport à la pièce Ω, il peut être également nommé comme organe mobile. Dans l'exemple illustré, l'anneau ou mousqueton G a une forme sensiblement ovale.As the oval-shaped ring or carabiner G can slide relative to the part Ω, it can also be named as a movable member. In the example illustrated, the ring or carabiner G has a substantially oval shape.

La pièce Ω peut être réalisée en métal, en plastique ou en composite. Elle peut être constituée d'une pièce unique (monobloc), ou être réalisée en assemblant différentes pièces.The part Ω can be made of metal, plastic or composite. It can consist of a single piece (monobloc), or be made by assembling different pieces.

Comme visible sur les figures, la pièce Ω comprend

  • un premier trou A;
  • un deuxième trou B
  • un troisième et un quatrième trou D.
As visible in the figures, part Ω includes
  • a first hole A;
  • a second hole B
  • a third and a fourth hole D.

Le trou A a en général une dimension qui est compatible avec le diamètre de la corde R utilisée. Dans l'exemple illustré le trou A est sensiblement circulaire, et a un diamètre légèrement supérieur à celui de la corde R utilisée. Dans une variante le rapport entre le diamètre du trou et celui de la corde est compris entre 1.2 et 2, de préférence entre 1.4 et 1.8, par exemple 1.6.The hole A generally has a dimension which is compatible with the diameter of the rope R used. In the example illustrated the hole A is substantially circular, and has a diameter slightly greater than that of the rope R used. In a variant, the ratio between the diameter of the hole and that of the string is between 1.2 and 2, preferably between 1.4 and 1.8, for example 1.6.

La fonction du trou B est celle de bloquer la corde dans au moins un point. En d'autres mots, le trou B permet de faire un point de blocage de la corde. En alternative, le trou B peut être remplacé par une encoche auto-serrante, un crochet, ou tout autre dispositif qui permet de bloquer la corde en un point.The function of hole B is to block the rope in at least one point. In other words, hole B allows you to make a locking point for the rope. Alternatively, hole B can be replaced by a self-tightening notch, a hook, or any other device that allows the rope to be blocked at one point.

Même si dans les exemples illustrés les trous A et B sont alignés, cet alignement n'est pas nécessaire pour le fonctionnement du dispositif. Par contre, la distance entre les deux trous A et B doit être suffisante pour éviter que la partie de la corde R3 visible sur la figure 3 comprime la partie de la corde R2, visible toujours sur la figure 3, lors de la mise sous tension de la corde, comme on le verra plus loin. Par exemple, la distance entre les deux trous A et B est dans une variante supérieure à 20 mm par exemple supérieure à 40 mm.Even if in the examples illustrated the holes A and B are aligned, this alignment is not necessary for the operation of the device. On the other hand, the distance between the two holes A and B must be sufficient to prevent the part of the rope R3 visible on the picture 3 compresses the part of the rope R2, still visible on the picture 3 , when tensioning the rope, as will be seen later. For example, the distance between the two holes A and B is in a variant greater than 20 mm, for example greater than 40 mm.

Dans une variante, les trous A et/ou B sont chanfreinés extérieurement.In a variant, the holes A and/or B are chamfered on the outside.

La présence des trous D n'est pas nécessaire au fonctionnement du dispositif de blocage. Ces trous peuvent donc être absents.The presence of the holes D is not necessary for the operation of the blocking device. These holes may therefore be absent.

Comme illustré sur la figure 1D, en correspondance de la gorge supérieure 1 de la pièce Ω, la pièce Ω comprend une surface 3 sensiblement horizontale qui n'est pas lisse, car elle comprend des dents.As illustrated on the figure 1D , in correspondence of the upper groove 1 of the part Ω, the part Ω comprises a substantially horizontal surface 3 which is not smooth, because it comprises teeth.

Dans le contexte de cette invention, l'adjectif « horizontal(e) » indique que la surface est sensiblement perpendiculaire à la direction de la force de gravité pendant l'utilisation du dispositif de blocage.In the context of this invention, the adjective "horizontal" indicates that the surface is substantially perpendicular to the direction of the force of gravity during use of the blocking device.

Dans une autre variante, la surface 3 n'est pas dentée, mais elle peut être également crénelée ou comprendre des pics.In another variant, the surface 3 is not toothed, but it can also be crenellated or include peaks.

Si l'anneau de forme ovale ou le mousqueton G comprend, au moins en correspondance de sa partie qui coopère avec la surface 3 de la pièce Ω, une surface non lisse, alors la surface 3 peut être dépourvue de dents.If the oval-shaped ring or the carabiner G comprises, at least in correspondence of its part which cooperates with the surface 3 of the part Ω, a non-smooth surface, then the surface 3 can be devoid of teeth.

Dans une autre variante, non illustrée, la surface 3 n'est pas horizontale, mais elle a une inclinaison par rapport à une ligne horizontale d'un angle compris dans la plage 15°-25°, par exemple de 20°. Dans ce cas, la surface de l'anneau de forme ovale ou mousqueton G peut être lisse. Dans cette variante la pièce Ω sera plus facile à fabriquer, et également plus légère.In another variant, not illustrated, the surface 3 is not horizontal, but it has an inclination with respect to a horizontal line by an angle comprised in the range 15°-25°, for example 20°. In this case, the surface of the oval-shaped ring or G carabiner can be smooth. In this variant, the part Ω will be easier to manufacture, and also lighter.

Le fonctionnement du dispositif de blocage sera décrit par rapport à la figure 3.The operation of the blocking device will be described with respect to the picture 3 .

Les différentes parties de la corde R sont indiquées sur la figure 3 avec les références R1 à R7. Il faut cependant comprendre que dans une variante préférentielle la corde est constituée d'une seule pièce, et non pas de plusieurs pièces assemblées ensemble. En particulier :

  • la référence R7 indique le dormant, ou la corde d'assurage,
  • la référence R6 indique la partie de la corde utilisée pour faire un nœud d'amarrage sur le mousqueton ou l'anneau de forme ovale,
  • la référence R5 indique la partie de la corde qui forme une boucle lâche
  • la référence R4 indique la partie de la corde utilisée pour réaliser un point de blocage ou d'arrêt,
  • les références R3 et R2 indiquent les parties de la corde utilisées pour réaliser une boucle d'arrimage
  • la référence R1 indique le courant libre.
The different parts of the R chord are indicated on the picture 3 with the references R1 to R7. It should however be understood that in a preferred variant the rope is made up of a single piece, and not of several pieces assembled together. Specifically :
  • the reference R7 indicates the frame, or the belay rope,
  • the R6 reference indicates the part of the rope used to make a mooring knot on the carabiner or the oval-shaped ring,
  • the R5 reference indicates the part of the rope that forms a loose loop
  • the R4 reference indicates the part of the rope used to make a blocking or stopping point,
  • the references R3 and R2 indicate the parts of the rope used to make a lashing loop
  • reference R1 indicates the free current.

D'abord, la corde R entre dans le dispositif de blocage par le trou B et sort par le trou A, en formant une boucle D, figurée sur la figure 3, de dimension variable. La boucle D ainsi formée permet l'assurage à un point d'ancrage fixe E.First, the rope R enters the blocking device through hole B and exits through hole A, forming a loop D, shown in the picture 3 , of variable size. The loop D thus formed allows belaying to a fixed anchor point E.

Comme anticipé, la distance entre les deux trous A et B doit être suffisante pour éviter que la partie de la corde R3 de la boucle D vienne comprimer la partie de la corde R2 de la boucle D lors de la mise sous tension de la corde.As anticipated, the distance between the two holes A and B must be sufficient to prevent part of the rope R3 of loop D from compressing part of the rope R2 of loop D when the rope is tensioned.

Un nœud ou tout autre mécanisme de blocage en correspondance du trou B empêche tout coulissement en R3. Le brin de corde R5 est relié sans tension à l'anneau de forme ovale ou mousqueton G à l'aide d'un nœud serré R6, par exemple un nœud d'amarrage double tel que figuré sur la figure 3, ou tout autre type de nœud serré, par exemple « nœud cabestan double » ou « nœud de bosse ».A knot or any other blocking mechanism in correspondence of hole B prevents any sliding in R3. The strand of rope R5 is connected without tension to the oval-shaped ring or carabiner G using a tight knot R6, for example a double mooring knot as shown in the picture 3 , or any other type of tight knot, for example "double capstan knot" or "bump knot".

La fonction du nœud R6 est donc celle de fixer la corde R à l'anneau de forme ovale ou mousqueton G, et surtout de permettre que même sous tension la corde en R5 reste parfaitement détendue.The function of the R6 knot is therefore to attach the R rope to the oval-shaped ring or carabiner G, and above all to ensure that even under tension the rope at R5 remains perfectly relaxed.

Lors d'une tension idéale de la partie de corde R7 par l'utilisateur illustré sur la figure 3, l'anneau de forme ovale ou le mousqueton G coulisse dans les gorges 1 et/ou 2 de la pièce Ω. De cette façon l'anneau de forme ovale ou le mousqueton G transmet d'une part directement la force de tension en une zone correspondant à l'intersection entre le trou A et la gorge 1, et d'autre part il vient armer en position basse le système éjecteur P de la figure 2 par compression du ressort P2.When an ideal tension of the rope part R7 by the user illustrated on the picture 3 , the oval-shaped ring or the carabiner G slides in the grooves 1 and/or 2 of the part Ω. In this way the oval-shaped ring or the carabiner G transmits on the one hand directly the force of tension in a zone corresponding to the intersection between the hole A and the groove 1, and on the other hand it comes to arm in position low the ejector system P of the figure 2 by compression of the spring P2.

L'anneau de forme ovale ou le mousqueton G se transforme alors en un instrument de serrage, obturant suffisamment le trou A (par exemple au moins le 80% du trou est obturé) et entrainant par compression et pincement des parties de la corde R1, R2 et R3 un blocage de la boucle D entre les points A et B.The oval-shaped ring or the carabiner G then turns into a tightening instrument, sufficiently closing the hole A (for example at least 80% of the hole is closed) and dragging parts of the rope R1 by compression and pinching, R2 and R3 blocking loop D between points A and B.

En d'autres mots, suite au coulissement du mousqueton G, la partie de corde entre R1 et R2 est fortement pincée entre le mousqueton et la surface 3 de la pièce Ω.In other words, following the sliding of the carabiner G, the part of the rope between R1 and R2 is strongly pinched between the carabiner and the surface 3 of the part Ω.

La corde R est donc fortement comprimée, sans être sectionnée, ni abimée, entre l'anneau de forme ovale ou le mousqueton G et la surface supérieure 3 de la pièce Ω visible sur la figure 1D. Le doigt éjecteur P1 se trouve alors mis sous pression jusqu'à tendre à s'effacer dans le corps du dispositif à travers le trou T.The rope R is therefore strongly compressed, without being cut or damaged, between the oval-shaped ring or the carabiner G and the upper surface 3 of the part Ω visible on the figure 1D . The ejector finger P1 is then pressurized until it tends to disappear into the body of the device through the hole T.

Le blocage de la corde permet donc à l'utilisateur de descendre ou monter librement sur le brin de corde « dormant » R7.Blocking the rope therefore allows the user to descend or climb freely on the "dormant" rope strand R7.

Lorsque l'utilisateur n'exerce plus de tension sur la partie de corde R7 et que la tension résiduelle sur l'anneau de forme ovale ou le mousqueton G est uniquement sensiblement égale au poids de la corde R, le mécanisme d'éjection P revient en position de repos haute en compensant le poids de la corde R. Conséquemment, l'anneau de forme ovale ou mousqueton G libère le trou A entrainant l'ouverture de la boucle D par les brins (le courant) de corde R1, R2. L'ensemble formé par le mousqueton G, le corps Ω et la corde R peut être ramené pour effectuer une nouvelle manœuvre de corde appelée « rappel sur corde simple ».When the user no longer exerts tension on the R7 part of the rope and the residual tension on the oval-shaped ring or the carabiner G is only substantially equal to the weight of the rope R, the ejection mechanism P returns to the high rest position by compensating for the weight of the rope R. Consequently, the oval-shaped ring or carabiner G releases the hole A causing the opening of the loop D by the strands (the current) of rope R1, R2. The assembly formed by the carabiner G, the body Ω and the rope R can be brought back to perform a new rope maneuver called “single rope rappel”.

Le retour en position « haute » du mécanisme d'éjection P permet également le coulissement vers le haut de l'anneau de forme ovale ou du mousqueton G. Ce retour en position haute de l'anneau ou du mousqueton G ouvre le trou A. En d'autres mots, le relâchement de la tension aidé en complément par la libération du doigt éjecteur P1 ramène l'anneau de forme ovale ou le mousqueton G dans leur position initiale de repos permettant le déblocage de la corde.The return to the "high" position of the ejection mechanism P also allows the oval-shaped ring or the carabiner G to slide upwards. This return to the high position of the ring or the carabiner G opens the hole A. In other words, the release of the tension aided in addition by the release of the ejector finger P1 brings the oval-shaped ring or the carabiner G back to their initial rest position allowing the release of the rope.

La compression en correspondance de la surface 3 de la corde n'étant plus assurée par l'anneau ou mousqueton G, la corde de rappel R est alors libérée du trou A de la pièce Ω.Since the compression in correspondence of the surface 3 of the rope is no longer ensured by the ring or carabiner G, the return rope R is then released from the hole A of the part Ω.

La libération de la corde en A libère la boucle D en son point d'arrimage E.Releasing the rope at A releases the loop D at its tie-down point E.

L'anneau ou le mousqueton G constitue donc à la fois l'organe d'attache et l'organe de serrage ajustable coopérant avec la surface supérieure 3 de la pièce Ω.The ring or carabiner G therefore constitutes both the attachment member and the adjustable clamping member cooperating with the upper surface 3 of the part Ω.

Le dispositif, ainsi réalisé, apporte une sécurité optimale dans des conditions climatiques extrêmes, tant au niveau du blocage de corde, que lors de la récupération de l'ensemble boîtier avec corde.The device, thus produced, provides optimum safety in extreme weather conditions, both at the level of the rope blocking, and during the recovery of the housing assembly with rope.

Dans une variante non illustrée, le dispositif selon l'invention comprend également un récepteur arrangé pour recevoir un signal envoyé par un dispositif porté par l'utilisateur, par exemple une télécommande, le signal reçu permettant d'activer la réalisation du blocage de la corde. Par exemple le dispositif selon l'invention peut comprendre un microprocesseur et un actionneur relié au mécanisme d'éjection P, le microprocesseur étant arrangé pour élaborer le signal reçu et activer l'actionneur afin qu'il puisse déplacer le poussoir d'éjection P1 du mécanisme d'éjection P.In a variant not shown, the device according to the invention also comprises a receiver arranged to receive a signal sent by a device carried by the user, for example a remote control, the signal received making it possible to activate the realization of the blocking of the rope. For example, the device according to the invention may comprise a microprocessor and an actuator connected to the ejection mechanism P, the microprocessor being arranged to process the received signal and activate the actuator so that it can move the ejection pusher P1 from the ejection mechanism P.

En d'autres mots, le poussoir d'éjection P1 peut être commandé à distance par le relâchement et/ou la mise sous tension de la corde R et également par un procédé électronique télécommandé. Par exemple, au moment du relâchement du brin de la corde R7, une communication est transmise et captée par le mécanisme d'éjection P pour qu'il reprenne sa position de repos « haute » par la détente du ressort P2 ou tout autre mécanisme permettant un résultat similaire.In other words, the ejection button P1 can be controlled remotely by releasing and/or tensioning the rope R and also by a remote-controlled electronic process. For example, when the strand of the rope R7 is released, a communication is transmitted and picked up by the ejection mechanism P so that it resumes its "high" rest position by the relaxation of the spring P2 or any other mechanism allowing a similar result.

Claims (15)

  1. Part (Ω) for a device for locking a rope (R) for climbing, boating, mountaineering, caving or rescue, said rope (R) comprising a first strand (R7) and a second strand (R1, R2, R3), said part (Ω) comprising
    - at least one hole (A) arranged to receive the rope (R)
    - at least one slot (1, 2) arranged to cooperate with a ring or a snap hook (G), in which said ring or snap hook (G) can slide in a first direction and in a second direction opposite to the first
    characterised in that it comprises
    - an ejection mechanism (P) for the rope (R), said ejection mechanism (P) comprising a movable ejector finger (P1), an elastic element (P2) and a support (P3) for said elastic element (P2),
    said movable ejector finger (P1) being configured to move in the first direction by compression of said elastic element (P2) by said ring or snap hook (G) sliding in said first direction when the first strand (R7) is tensioned, thereby blocking the second strand (R1, R2, R3)
    and to move in said second direction by releasing said elastic element (P2), when the first strand (R7) is released, thereby causing said ring or said snap hook (G) to slide in said second direction and unlocking the second strand (R1, R2, R3).
  2. Part according to claim 1, the first strand (R7) comprising a frame, the second strand (R1, R2, R3) comprising a moving portion (R1) and a securing loop (R2, R3).
  3. Part according to claim 1, said movable ejector finger (P1) being arranged to slide through a hole (T) opening from an upper surface (3) of said part (Ω).
  4. Part according to any of claims 1 to 3, comprising an upper slot (1) and a lateral slot (2).
  5. Part according to claim 4, the upper slots (1) being defined by the upper surface (3) and the portion of the part (Ω) comprising the hole (A).
  6. Part according to any of claims 3 to 5, said top surface (3) comprising teeth or spikes.
  7. Part according to any of claims 3 to 5, said top surface (3) having an inclination with respect to a horizontal line of an angle between 15° and 25°.
  8. Part according to any one of claims 1 to 7, comprising means (B) arranged to make a rope lock point (R4).
  9. Part according to any one of claims 1 to 8, comprising a remote electronic control module for said ejection mechanism (P).
  10. Device for blocking a rope (R) for climbing, water sports, mountaineering, caving or rescue, comprising
    - the part (Ω) according to one of the preceding claims,
    - a ring or snap hook (G).
  11. The device according to claim 10, said ring being an oval-shaped ring.
  12. The device according to any of claims 10 or 11, said ring or snap hook (G) being arranged to slide in said top slot (1) and/or in said side slot (2) of the part (Ω).
  13. The device according to one of claims 10 to 12, said ring or said snap hook being configured to slide in said top slot (1) and/or in said side slot (2) in the first direction when the first strand (R7) is tensioned, so as to move said ejector mechanism (P) in the first direction, and to slide in said top slot (1) and/or in said side slot (2) in the second direction when the first strand (R7) is released, so as to move in the second direction said ejector mechanism (P), thereby unblocking the second strand (R1, R2, R3).
  14. Method of locking a rope (R) for climbing, boating, mountaineering, caving or rescue, said rope (R) comprising a first strand (R7) and a second strand (R1, R2, R3), said method comprising the following steps:
    - making a locking knot (R6) of the rope on a snap hook or on the ring (G),
    - making a locking point (B, R4) of the rope on a part (Ω), by creating a loop (R5) between said rope locking knot (R6) and said locking point (B, R4) of the rope,
    - inserting the snap hook or the ring (G) into at least one slot (1, 2) of said part (Ω),
    - passing the second strand (R1, R2, R3) through an anchor point (E), creating a securing loop (R2, R3)
    - passing said second strand (R1) through a hole (A) of said part (Ω)
    - when the rope is tensioned on the first strand (R7) by a user, moving the ring or a snap hook (G) in at least one slot (1, 2) of the part (Ω) in a first direction
    - moving a movable ejector finger (P1) of an ejector mechanism (P) of the part (Ω) in said first direction, said ejector mechanism also comprising an elastic element (P2) and a support (P3) for said elastic element (P2), by compression of said elastic element (P2) by said ring or snap hook (G)
    - locking of the second strand (R1, R2, R3) between the ring or snap hook and an upper surface (3) of the part (Ω),
    - when the user no longer exerts tension on the first strand (R7), displacement of said elastic element (P1) in a second direction opposite to the first by relaxing said elastic element (P2),
    - displacement of the ring or snap hook (G) in said second direction,
    - releasing the second strand (R1, R2, R3).
  15. The method according to claim 14, comprising
    - remote electronic control of said ejection mechanism (P).
EP14712295.6A 2013-03-25 2014-03-24 Part, device and method for locking a rope Active EP2978504B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IB2013000501 2013-03-25
PCT/EP2014/055884 WO2014154648A1 (en) 2013-03-25 2014-03-24 Part, device and method for locking a rope

Publications (2)

Publication Number Publication Date
EP2978504A1 EP2978504A1 (en) 2016-02-03
EP2978504B1 true EP2978504B1 (en) 2022-03-02

Family

ID=50349625

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14712295.6A Active EP2978504B1 (en) 2013-03-25 2014-03-24 Part, device and method for locking a rope

Country Status (2)

Country Link
EP (1) EP2978504B1 (en)
WO (1) WO2014154648A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019609A (en) * 1975-11-03 1977-04-26 Wagner Kelly B Brake apparatus for use in rappelling
CA2297356A1 (en) * 2000-01-26 2001-07-26 Judith Riley Morton 3j1 electric rope removal system
US6561313B2 (en) * 2001-08-16 2003-05-13 Trimorphics, Inc. Belay/rappel device for use in climbing activities and the like
IT1396181B1 (en) * 2009-07-15 2012-11-16 Aludesign Spa INSURER DEVICE

Also Published As

Publication number Publication date
EP2978504A1 (en) 2016-02-03
WO2014154648A1 (en) 2014-10-02

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