EP2756868A1 - Security apparatus on a string with an indicator of the closing of the flanges - Google Patents

Security apparatus on a string with an indicator of the closing of the flanges Download PDF

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Publication number
EP2756868A1
EP2756868A1 EP14354001.1A EP14354001A EP2756868A1 EP 2756868 A1 EP2756868 A1 EP 2756868A1 EP 14354001 A EP14354001 A EP 14354001A EP 2756868 A1 EP2756868 A1 EP 2756868A1
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EP
European Patent Office
Prior art keywords
flange
indicator
latch
axis
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14354001.1A
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German (de)
French (fr)
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EP2756868B1 (en
Inventor
Pierre Olivier Chabod
Christophe Quillard
Alain Maurice
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Zedel SAS
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Zedel SAS
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Publication of EP2756868A1 publication Critical patent/EP2756868A1/en
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Publication of EP2756868B1 publication Critical patent/EP2756868B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A62B35/0081—Equipment which can travel along the length of a lifeline, e.g. travelers
    • 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

  • a PRO TRAXION blocking pulley serves climbing or work at height for handling along a rope of a load or a person. It comprises a pulley mounted for free rotation on a first axis of a fixed flange, and a movable flange hinged about a second tubular axis offset from the first axis.
  • a carabiner mooring crosses in the closed position the second hollow shaft, and an aligned orifice of the first flange. The second flange is thus openable without disconnecting from the mooring. It is thus possible to install the rope once the pulley moored.
  • a pin or locking pawl is able to lock the second flange in the closed position, but nothing prevents unlocking the pin and open the second flange when the pulley is under load.
  • EP 803268 and EP2407413 relate to pulleys each having a pivotable flange, and a built-in blocker.
  • the working flange remains locked in the closed position by the mooring carabiner. It is impossible to open this flange without removing the carabiner, and disconnect from the mooring.
  • the document EP 376860 indicates the locked or unlocked state of the locking ring of the movable finger of a carabiner.
  • the indicator is arranged at the end of the movable finger, and indicates only the locking state, but not the state of closing of the finger. Indeed, the ring can be screwed thoroughly to remove the red light, but the finger may not be closed, to the detriment of the safety of the user.
  • the document AU700898 describes a descender and belay device, having two rollers offset on the first fixed flange, and an additional roller on the second flange.
  • Actuating means are provided for selecting the operation of the apparatus in descending mode with control of the speed of descent, or in the insurer mode.
  • the unwanted opening of the second flange requires its locking on the first flange by means of a stud or other fastening means passing through aligned holes of the two flanges. No visual indication of closure is expected.
  • the object of the invention is to provide a rope safety device, having a working flange which is to be ensured during normal operation, the good closing of the flange, and the engagement of the locking latch.
  • the security device is characterized in that the lock is associated with a mechanical indicator secured to the second flange, said indicator cooperating with both the first axis of the roller and the lock to indicate that the second flange is finds in a closed locked state, or in an unlocked state ready to open.
  • the indicator remains visible if the mobile flange is being opened, and / or if the latch is actuated by the control member in the unlocking direction. So just one LED to indicate the two states of closure and locking of the mobile flange.
  • the indicator is formed by a colored indicator lever and articulated about an axis integral with the lock, said indicator being in a visible state through a hole of the front face if the lock is actuated in the direction unlocking, or if the second flange is incorrectly closed.
  • the indicator is located on the pivoting latch, and a non-return probe element cooperates with said latch to keep the latch open, and the visible light, if the second mobile flange is not properly closed on the first axis.
  • the lock with its indicator is a bistable lever in each of the locked and unlocked positions.
  • the roller can be fixed, or mounted to free rotation on the first axis.
  • the roller may also be constituted by unidirectionally rotating free wheel and blocking in the opposite direction.
  • the invention applies to any type of safety devices on rope and openable flange to be locked under load, including a descender, a pulley with or without built-in blocker.
  • a rope safety device designated by the general reference 10, comprises a first flange 11, and a second movable flange 12 for occupying a closed position and an open position.
  • the first flange 11 is provided with a first axis 13 on which is mounted a roller 14 provided with an annular groove 15 for guiding the rope.
  • the roller 14 is mounted for free rotation on the first axis 13 with the interposition of a self-lubricating bushing 16 or a ball bearing, the assembly constituting a pulley business. The load is applied to the roller 14 via the rope when the second flange 12 is in the closed position.
  • the roller 14 may also be fixed or be constituted by a freewheel with unidirectional rotation and lock in the opposite direction.
  • the invention is also applicable to any type of safety devices on rope and flange opening, including a descender, a fall arrest device, etc ...
  • a second axis 17 which is hollow for the passage of a carabiner attachment to be attached to a mooring.
  • the second hollow axis 17 is housed with a clearance J in an orifice 18 of the first flange 11, and can pivot when driving the second flange 12 to the open position.
  • the diameter of the second hollow axis 17 is smaller than that of the orifice 18 to define said clearance J in translation of the first flange 11 in the direction of the height.
  • the transverse spacing between the two flanges 11, 12 corresponding substantially to the length of the second axis 17. The presence of the game J makes the first flange 11 semi-fixed.
  • the inner face of the second movable flange 12 is provided with a hook-shaped retention notch 19 in which the head of the first axle 13 can engage when the second flange 12 moves towards the closed position.
  • This notch 19 is provided with a ramp causing locking in the closed position when the roller 14 or pulley is under load.
  • a latch 21 pivoting on an axis 22 is biased by a return spring (not shown) to a locking position to positively lock the second flange 12 in the closed position.
  • the front face of the second flange 12 is equipped with a control member 23 secured to or coupled to the latch 21 to ensure its release allowing the opening of the second flange 12 pivoting when the device is no longer under load.
  • Each flange 11, 12 has a hole 24, 25 in the lower part, said holes being aligned in the closed position and allowing the attachment of an additional carabiner to lock the device in the closed position.
  • the pivoting latch 21 is housed in a housing 26, and cooperates with a colored indicator 27, which is constituted by a lever hinged about an axis 28 of lock 21.
  • the operation of the indicator security device 10 according to the invention is as follows:
  • the second flange 12 is in the open position, allowing the establishment of the rope around the pulley.
  • the indicator 27, for example of red color, is visible from the front through a circular hole 29 formed in the housing 26. The indicator 27 remains visible independently of the position of the control member 23.
  • the head of the first axis 13 is engaged in the notch 19 of the second flange 12 mobile, and comes into engagement with a rib 30 of the indicator 27.
  • the latter is connected to the latch 21 by the axis 28, but remains visible at through the hole 29 as long as the second flange 12 is not closed.
  • the head of the first axis 13 is at the bottom of the notch 19, and bears on the rib 30 forcing the indicator 27 to remain in a non-visible state.
  • the latch 21 locks the device in the closed position.
  • the indicator 27 remains visible if the mobile flange 12 is being opened, and / or if the latch 21 is actuated by the control member 23 in the unlocking direction. It is therefore sufficient for a single indicator 27 to indicate the two states of closure and locking of the mobile flange 12. The indicator 27 becomes visible if the lock 21 is unlocked, or if the movable flange 12 is closed incorrectly.
  • the flip-floppy apparatus 100 can be equipped with an integrated blocker 40 of a well-known type, including the document EP 803268 . Parts identical to those of Figures 1 to 6 will not be described in detail later. They will have the same number assigned to the hundred.
  • the indicator light 127 is located directly on the latch 121 below the control member 123. It is visible in profile while being associated with the control member 123. A non-return sensor element 41 cooperates with the latch 121 to keep it open. if the mobile flange 112 is not properly closed. The indicator 127 then remains stably visible.
  • the operation of the security apparatus 100 is as follows:
  • the head of the first axis 113 enters the notch 119 of the movable flange 112, and comes into contact with the non-return feeler element 41.
  • the non-return feeler element 41 is driven into rotation to a predetermined angular position, wherein the latch 121 and the controller 123 switch to the lowered position.
  • the indicator 127 disappears as the controller 123 descends.
  • the head of the first axis 113 is housed at the bottom of the notch 119, and the control member 123 is in the lowered position.
  • the first axis head 113 forces the non-return probe element 41 to remain in a neutral position where it can not interfere with the latch 121.
  • the red indicator 127 remains invisible.
  • the concept of the invention can also be applied to a descender or other rope belay device, having a working flange, which is to detect the good closing of the flange and the engagement of the lock.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Pulmonology (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Emergency Lowering Means (AREA)

Abstract

The apparatus has a flange-plate (11) and a movable flange-plate (12) delineating a transverse space in which a roller is fitted on a pivot-pin (13) integral to the first flange-plate. An articulation unit allows a swiveling movement of the movable flange-plate between a closed position clamping the rope in the space, and an open position to fit the rope on the roller. A latch unit latches the movable flange-plate in the closed position. A mechanical indicator (27) collaborates both with the pivot-pin and with the latch unit to indicate that the apparatus is in a latched closed state.

Description

Domaine technique de l'inventionTechnical field of the invention

L'invention concerne un appareil de sécurité sur corde, comportant :

  • un premier flasque et un deuxième flasque mobile délimitant un espace transversal dans lequel est agencé un galet monté sur un premier axe solidaire du premier flasque,
  • et des moyens d'articulation du deuxième flasque autorisant un mouvement de basculement entre une position fermée emprisonnant la corde dans l'espace transversal, et une position ouverte pour la mise en place de la corde sur le galet,
  • et des moyens de verrouillage du deuxième flasque en position fermée, lesdits moyens de verrouillage comportant un verrou pivotant piloté par un organe de commande.
The invention relates to a rope safety device comprising:
  • a first flange and a second movable flange delimiting a transverse space in which is arranged a roller mounted on a first integral axis of the first flange,
  • and articulation means of the second flange allowing a tilting movement between a closed position trapping the rope in the transverse space, and an open position for the introduction of the rope on the roller,
  • and locking means of the second flange in the closed position, said locking means comprising a pivoting latch controlled by a control member.

Etat de la techniqueState of the art

Une poulie bloqueur PRO TRAXION commercialisée par la demanderesse, sert en escalade ou les travaux en hauteur pour la manipulation le long d'une corde d'une charge ou d'une personne. Elle comporte une poulie montée à rotation libre sur un premier axe d'un flasque fixe, et un flasque mobile articulé autour d'un deuxième axe tubulaire décalé du premier axe. Un mousqueton d'amarrage traverse en position fermée le deuxième axe creux, et un orifice aligné du premier flasque. Le deuxième flasque est ainsi ouvrable sans se déconnecter de l'amarrage. On peut ainsi installer la corde une fois la poulie amarrée. Un téton ou cliquet de blocage est apte à verrouiller le deuxième flasque en position fermée, mais rien n'empêche de déverrouiller le téton et d'ouvrir le deuxième flasque lorsque la poulie est sous charge.A PRO TRAXION blocking pulley marketed by the plaintiff, serves climbing or work at height for handling along a rope of a load or a person. It comprises a pulley mounted for free rotation on a first axis of a fixed flange, and a movable flange hinged about a second tubular axis offset from the first axis. A carabiner mooring crosses in the closed position the second hollow shaft, and an aligned orifice of the first flange. The second flange is thus openable without disconnecting from the mooring. It is thus possible to install the rope once the pulley moored. A pin or locking pawl is able to lock the second flange in the closed position, but nothing prevents unlocking the pin and open the second flange when the pulley is under load.

Les documents EP 803268 et EP2407413 se rapportent à des poulies ayant chacune un flasque ouvrable pivotant, et un bloqueur intégré. Le flasque ouvrable reste verrouillé en position fermée par le mousqueton d'amarrage. Il est impossible d'ouvrir ce flasque sans retirer le mousqueton, et se déconnecter de l'amarrage.The documents EP 803268 and EP2407413 relate to pulleys each having a pivotable flange, and a built-in blocker. The working flange remains locked in the closed position by the mooring carabiner. It is impossible to open this flange without removing the carabiner, and disconnect from the mooring.

Dans les matériels ou équipements de sécurité sur corde utilisés en escalade, alpinisme, ou travaux en hauteurs, il est connu de vérifier l'état de fermeture ou de verrouillage d'une pièce en mouvement.In equipment or rope safety equipment used in climbing, mountaineering, or work in heights, it is known to check the state of closure or locking of a moving part.

Par exemple le document EP 376860 signale l'état verrouillé ou non verrouillé de la bague de blocage du doigt mobile d'un mousqueton. Le voyant est agencé à l'extrémité du doigt mobile, et signale uniquement l'état de verrouillage, mais pas l'état de fermeture du doigt. En effet, la bague peut être vissée à fond pour faire disparaître le voyant rouge, mais le doigt peut ne pas être pas fermé, au détriment de la sécurité de l'utilisateur.For example the document EP 376860 indicates the locked or unlocked state of the locking ring of the movable finger of a carabiner. The indicator is arranged at the end of the movable finger, and indicates only the locking state, but not the state of closing of the finger. Indeed, the ring can be screwed thoroughly to remove the red light, but the finger may not be closed, to the detriment of the safety of the user.

Le document AU700898 décrit un appareil descendeur et d'assurage, ayant deux galets décalés sur le premier flasque fixe, et un galet supplémentaire sur le deuxième flasque ouvrable. Des moyens d'actionnement sont prévus pour choisir le fonctionnement de l'appareil en mode descendeur à contrôle de la vitesse de descente, ou en mode assureur. L'ouverture non souhaitée du deuxième flasque nécessite son verrouillage sur le premier flasque au moyen d'un goujon ou autre moyen de fixation passant à travers des trous alignés des deux flasques. Aucun témoin visuel de fermeture n'est prévu.The document AU700898 describes a descender and belay device, having two rollers offset on the first fixed flange, and an additional roller on the second flange. Actuating means are provided for selecting the operation of the apparatus in descending mode with control of the speed of descent, or in the insurer mode. The unwanted opening of the second flange requires its locking on the first flange by means of a stud or other fastening means passing through aligned holes of the two flanges. No visual indication of closure is expected.

D'autres appareils possèdent un flasque ouvrable par pivotement et un dispositif de verrouillage supplémentaire. Les deux pièces en mouvement sont distinctes l'une de l'autre. Il est donc nécessaire de contrôler deux actions à la fois. Les appareils connus font usage d'indicateurs visuels qui ne détectent qu'une seule action, soit de fermeture, soit de verrouillage. La sécurité n'est pas assurée de manière optimum.Other devices have a pivotable flange and an additional locking device. The two moving parts are distinct from each other. It is therefore necessary to control two actions at a time. Known devices make use of visual indicators that detect only one action, either closing or locking. Security is not ensured optimally.

Objet de l'inventionObject of the invention

L'objet de l'invention consiste à réaliser un appareil de sécurité sur corde, ayant un flasque ouvrable dont on veut s'assurer en fonctionnement normal, de la bonne fermeture du flasque, et de l'enclenchement du verrou de verrouillage.The object of the invention is to provide a rope safety device, having a working flange which is to be ensured during normal operation, the good closing of the flange, and the engagement of the locking latch.

L'appareil de sécurité selon l'invention est caractérisé en ce que le verrou est associé à un voyant mécanique solidaire du deuxième flasque, ledit voyant coopérant à la fois avec le premier axe du galet et avec le verrou pour indiquer que le deuxième flasque se trouve dans un état fermé verrouillé, ou dans un état déverrouillé prêt à ouvrir.The security device according to the invention is characterized in that the lock is associated with a mechanical indicator secured to the second flange, said indicator cooperating with both the first axis of the roller and the lock to indicate that the second flange is finds in a closed locked state, or in an unlocked state ready to open.

Il en résulte que le voyant reste visible si le flasque mobile est en train de s'ouvrir, et/ou si le verrou est actionné par l'organe de commande dans le sens du déverrouillage. Il suffit donc d'un seul voyant pour indiquer les deux états de fermeture et de verrouillage du flasque mobile.As a result, the indicator remains visible if the mobile flange is being opened, and / or if the latch is actuated by the control member in the unlocking direction. So just one LED to indicate the two states of closure and locking of the mobile flange.

Selon un premier mode de réalisation, le voyant est formé par un levier indicateur coloré et articulé autour d'un axe solidaire du verrou, ledit voyant étant dans un état visible à travers un trou de la face avant si le verrou est actionné dans le sens du déverrouillage, ou si le deuxième flasque est mal fermé.According to a first embodiment, the indicator is formed by a colored indicator lever and articulated about an axis integral with the lock, said indicator being in a visible state through a hole of the front face if the lock is actuated in the direction unlocking, or if the second flange is incorrectly closed.

Selon un deuxième mode de réalisation, le voyant est localisé sur le verrou pivotant, et un élément palpeur anti-retour coopère avec ledit verrou pour maintenir ce dernier ouvert, et le voyant visible, si le deuxième flasque mobile n'est pas correctement fermé sur le premier axe. Le verrou avec son voyant constitue un levier bistable dans chacune des positions verrouillée et déverrouillée.According to a second embodiment, the indicator is located on the pivoting latch, and a non-return probe element cooperates with said latch to keep the latch open, and the visible light, if the second mobile flange is not properly closed on the first axis. The lock with its indicator is a bistable lever in each of the locked and unlocked positions.

Le galet peut être fixe, ou monté à rotation libre sur le premier axe. Le galet peut aussi être constitué en roue libre à rotation unidirectionnelle et à blocage dans le sens inverse.The roller can be fixed, or mounted to free rotation on the first axis. The roller may also be constituted by unidirectionally rotating free wheel and blocking in the opposite direction.

L'invention s'applique à tout type d'appareils de sécurité sur corde et à flasque ouvrable devant être verrouillé sous charge, notamment un descendeur, une poulie avec ou sans bloqueur intégré.The invention applies to any type of safety devices on rope and openable flange to be locked under load, including a descender, a pulley with or without built-in blocker.

Description sommaire des dessinsBrief description of the drawings

D'autres avantages et caractéristiques ressortiront plus clairement de la description qui va suivre d'un mode de réalisation de l'invention donné à titre d'exemple non limitatif et représenté aux dessins annexés, dans lesquels :

  • la figure 1 est une vue de l'appareil de sécurité selon l'invention, représenté en fin de course de fermeture du flasque mobile, le voyant étant invisible en position inactive à travers un trou ménagé dans la face avant ;
  • la figure 2 montre l'appareil selon l'invention, représenté avec le flasque mobile en position ouverte pour la mise en place de la corde, et montrant le mécanisme du voyant ;
  • la figure 3 montre l'appareil de la figure 2 en cours de fermeture du flasque et en position active du voyant indicateur ;
  • la figure 4 montre l'appareil en fin de course de fermeture du flasque, le voyant étant invisible en position inactive ;
  • la figure 5 montre l'appareil avec le flasque fermé, et le verrou étant actionné vers la position déverrouillée faisant apparaître le voyant à travers un trou de la face avant ;
  • la figure 6 est une vue en coupe selon la ligne 6-6 de la figure 5 ;
  • les figures 7 à 11 représentent des vues d'une variante de réalisation de l'invention, respectivement en position fermé et ouverte du flasque mobile, en cours de fermeture, en position fermée, et lors du déverrouillage du verrou.
Other advantages and features will emerge more clearly from the following description of an embodiment of the invention given by way of nonlimiting example and represented in the accompanying drawings, in which:
  • the figure 1 is a view of the security device according to the invention, shown at the end of the closing stroke of the mobile flange, the indicator being invisible in the inactive position through a hole in the front face;
  • the figure 2 shows the apparatus according to the invention, shown with the mobile flange in the open position for the establishment of the rope, and showing the mechanism of the indicator;
  • the figure 3 shows the device of the figure 2 during closure of the flange and in the active position of the indicator light;
  • the figure 4 shows the device at the end of the closing stroke of the flange, the light being invisible in the inactive position;
  • the figure 5 shows the apparatus with the flange closed, and the latch being actuated to the unlocked position showing the light through a hole in the front panel;
  • the figure 6 is a sectional view along the line 6-6 of the figure 5 ;
  • the Figures 7 to 11 represent views of an alternative embodiment of the invention, respectively in the closed and open position of the mobile flange, during closure, in the closed position, and during unlocking of the latch.

Description de deux modes de réalisation de l'inventionDescription of two embodiments of the invention

En référence aux figures 1 à 6, un appareil de sécurité sur corde, désigné par le repère général 10, comporte un premier flasque 11, et un deuxième flasque 12 mobile destiné à occuper une position fermée et une position ouverte. Le premier flasque 11 est doté d'un premier axe 13 sur lequel est monté un galet 14 muni d'une gorge 15 annulaire pour le guidage de la corde. Le galet 14 est monté à rotation libre sur le premier axe 13 avec interposition d'un coussinet 16 autolubrifiant ou d'un roulement à billes, l'ensemble constituant une poulie ouvrable. La charge s'applique sur le galet 14 par l'intermédiaire de la corde lorsque le deuxième flasque 12 est en position fermée.With reference to Figures 1 to 6 , a rope safety device, designated by the general reference 10, comprises a first flange 11, and a second movable flange 12 for occupying a closed position and an open position. The first flange 11 is provided with a first axis 13 on which is mounted a roller 14 provided with an annular groove 15 for guiding the rope. The roller 14 is mounted for free rotation on the first axis 13 with the interposition of a self-lubricating bushing 16 or a ball bearing, the assembly constituting a pulley business. The load is applied to the roller 14 via the rope when the second flange 12 is in the closed position.

Le galet 14 peut aussi être fixe ou être constitué par une roue libre à rotation unidirectionnelle et à blocage dans le sens inverse.The roller 14 may also be fixed or be constituted by a freewheel with unidirectional rotation and lock in the opposite direction.

L'invention s'applique également à tout type d'appareils de sécurité sur corde et à flasque ouvrable, notamment un descendeur, un bloqueur antichute, etc...The invention is also applicable to any type of safety devices on rope and flange opening, including a descender, a fall arrest device, etc ...

A la partie supérieure du deuxième flasque 12 mobile est fixé un deuxième axe 17, lequel est creux pour le passage d'un mousqueton d'attache destiné à être accroché à un amarrage. Le deuxième axe 17 creux est logé avec un jeu J dans un orifice 18 du premier flasque 11, et peut pivoter lors de l'entraînement du deuxième flasque 12 vers la position ouverte. Le diamètre du deuxième axe 17 creux est inférieur à celui de l'orifice 18 pour définir ledit jeu J en translation du premier flasque 11 dans le sens de la hauteur. L'écartement transversal entre les deux flasques 11, 12 correspondant sensiblement à la longueur du deuxième axe 17. La présence du jeu J rend le premier flasque 11 semi-fixe.At the upper part of the second movable flange 12 is fixed a second axis 17, which is hollow for the passage of a carabiner attachment to be attached to a mooring. The second hollow axis 17 is housed with a clearance J in an orifice 18 of the first flange 11, and can pivot when driving the second flange 12 to the open position. The diameter of the second hollow axis 17 is smaller than that of the orifice 18 to define said clearance J in translation of the first flange 11 in the direction of the height. The transverse spacing between the two flanges 11, 12 corresponding substantially to the length of the second axis 17. The presence of the game J makes the first flange 11 semi-fixed.

La face interne du deuxième flasque 12 mobile est munie d'une encoche 19 de retenue en forme de crochet, dans laquelle peut s'engager la tête du premier axe 13 lorsque le deuxième flasque 12 se déplace vers la position fermée. Cette encoche 19 est pourvue d'une rampe provoquant le verrouillage dans la position fermée lorsque le galet 14 ou poulie est sous charge. Un verrou 21 pivotant sur un axe 22 est sollicité par un ressort de rappel (non représenté) vers une position de blocage pour verrouiller positivement le deuxième flasque 12 dans la position fermée.The inner face of the second movable flange 12 is provided with a hook-shaped retention notch 19 in which the head of the first axle 13 can engage when the second flange 12 moves towards the closed position. This notch 19 is provided with a ramp causing locking in the closed position when the roller 14 or pulley is under load. A latch 21 pivoting on an axis 22 is biased by a return spring (not shown) to a locking position to positively lock the second flange 12 in the closed position.

La face avant du deuxième flasque 12 est équipée d'un organe de commande 23 solidaire ou accouplé au verrou 21 pour assurer son déblocage permettant l'ouverture du deuxième flasque 12 pivotant lorsque l'appareil n'est plus sous charge.The front face of the second flange 12 is equipped with a control member 23 secured to or coupled to the latch 21 to ensure its release allowing the opening of the second flange 12 pivoting when the device is no longer under load.

Chaque flasque 11, 12 comporte un trou 24, 25 dans la partie inférieure, lesdits trous étant alignés dans la position fermée et autorisant l'accrochage d'un mousqueton additionnel pour cadenasser l'appareil dans la position fermée.Each flange 11, 12 has a hole 24, 25 in the lower part, said holes being aligned in the closed position and allowing the attachment of an additional carabiner to lock the device in the closed position.

Le verrou 21 pivotant est logé dans un boîtier 26, et coopère avec un voyant 27 coloré, lequel est constitué par un levier articulé autour d'un axe 28 de verrou 21.The pivoting latch 21 is housed in a housing 26, and cooperates with a colored indicator 27, which is constituted by a lever hinged about an axis 28 of lock 21.

Le fonctionnement de l'appareil de sécurité 10 à voyant indicateur selon l'invention, est le suivant :The operation of the indicator security device 10 according to the invention is as follows:

Sur la figure 2, le deuxième flasque 12 se trouve en position ouvert, permettant la mise en place de la corde autour de la poulie. Le voyant 27, par exemple de couleur rouge, est visible depuis l'avant à travers un trou 29 circulaire ménagé dans le boîtier 26. Le voyant 27 reste visible indépendamment de la position de l'organe de commande 23.On the figure 2 , the second flange 12 is in the open position, allowing the establishment of the rope around the pulley. The indicator 27, for example of red color, is visible from the front through a circular hole 29 formed in the housing 26. The indicator 27 remains visible independently of the position of the control member 23.

En cours de fermeture du deuxième flasque 12 (figure 3), la tête du premier axe 13 est engagée dans l'encoche 19 du deuxième flasque 12 mobile, et vient en engagement avec une nervure 30 du voyant 27. Ce dernier est lié au verrou 21 par l'axe 28, mais reste visible à travers le trou 29 aussi longtemps que le deuxième flasque 12 n'est pas fermé.During closure of the second flange 12 ( figure 3 ), the head of the first axis 13 is engaged in the notch 19 of the second flange 12 mobile, and comes into engagement with a rib 30 of the indicator 27. The latter is connected to the latch 21 by the axis 28, but remains visible at through the hole 29 as long as the second flange 12 is not closed.

En référence à la figure 4 représentant la position fermée, la tête du premier axe 13 se trouve au fond de l'encoche 19, et prend appui sur la nervure 30 obligeant le voyant 27 à rester dans un état non visible. Sous l'effet de son ressort de rappel, le verrou 21 verrouille l'appareil en position fermée.With reference to the figure 4 representing the closed position, the head of the first axis 13 is at the bottom of the notch 19, and bears on the rib 30 forcing the indicator 27 to remain in a non-visible state. Under the effect of its return spring, the latch 21 locks the device in the closed position.

Sur la figure 5, le deuxième flasque 12 étant fermé, l'actionnement de l'organe de commande 23 dans le sens de la flèche F1, provoque le déverrouillage du verrou 21 libérant la tête de l'axe 13. Le pivotement du verrou 21 entraîne le voyant 27 qui devient à nouveau visible, ce qui annonce que l'on va dans le sens de l'ouverture de l'appareil.On the figure 5 , the second flange 12 being closed, the actuation of the control member 23 in the direction of the arrow F1, causes the unlocking of the latch 21 freeing the head of the axis 13. The pivoting of the latch 21 causes the indicator 27 which becomes visible again, which announces that we are going in the direction of opening the device.

On note que le voyant 27 reste visible si le flasque mobile 12 est en train de s'ouvrir, et/ou si le verrou 21 est actionné par l'organe de commande 23 dans le sens du déverrouillage. Il suffit donc d'un seul voyant 27 pour indiquer les deux états de fermeture et de verrouillage du flasque 12 mobile. Le voyant 27 devient visible si le verrou 21 est déverrouillé, ou si le flasque mobile 12 est mal fermé.Note that the indicator 27 remains visible if the mobile flange 12 is being opened, and / or if the latch 21 is actuated by the control member 23 in the unlocking direction. It is therefore sufficient for a single indicator 27 to indicate the two states of closure and locking of the mobile flange 12. The indicator 27 becomes visible if the lock 21 is unlocked, or if the movable flange 12 is closed incorrectly.

Sur la variante des figures 7 à 11, l'appareil 100 à flasque 112 ouvrable peut être équipé d'un bloqueur 40 intégré d'un type bien connu, notamment du document EP 803268 . Les pièces identiques à celles des figures 1 à 6 ne seront plus décrites en détail par la suite. Elles auront le même numéro affecté à la centaine.On the variant of Figures 7 to 11 , the flip-floppy apparatus 100 can be equipped with an integrated blocker 40 of a well-known type, including the document EP 803268 . Parts identical to those of Figures 1 to 6 will not be described in detail later. They will have the same number assigned to the hundred.

Le voyant 127 est localisé directement sur le verrou 121 en dessous de l'organe de commande 123. Il est visible de profil en étant associé à l'organe de commande 123. Un élément palpeur 41 antiretour coopère avec le verrou 121 pour le maintenir ouvert si le flasque mobile 112 n'est pas correctement fermé. Le voyant 127 reste alors visible de manière stable.The indicator light 127 is located directly on the latch 121 below the control member 123. It is visible in profile while being associated with the control member 123. A non-return sensor element 41 cooperates with the latch 121 to keep it open. if the mobile flange 112 is not properly closed. The indicator 127 then remains stably visible.

Le fonctionnement de l'appareil de sécurité 100 est le suivant :The operation of the security apparatus 100 is as follows:

Dans la position ouverte de la figure 8, le voyant 127 est visible sur le verrou 121, et l'organe de commande 123 est maintenu en position relevée par l'élément palpeur 41. Il suffit de faire pivoter le bloqueur 40 dans le sens inverse des aiguilles d'une montre, pour dégager l'accès à la poulie pour la mise en place de la cordeIn the open position of the figure 8 the light 127 is visible on the latch 121, and the control member 123 is held in the raised position by the feeler element 41. It is sufficient to rotate the blocker 40 counterclockwise, for clear the access to the pulley for setting up the rope

En cours de fermeture (figure 9), la tête du premier axe 113 pénètre dans l'encoche 119 du flasque mobile 112, et entre en contact avec l'élément palpeur antiretour 41. En poursuivant le mouvement de basculement du flasque 112, l'élément palpeur antiretour 41 est entraîné en rotation jusqu'à une position angulaire prédéterminée, dans laquelle le verrou 121 et l'organe de commande 123 basculent dans la position abaissée. Le voyant 127 disparaît au fur et à mesure de la descente de l'organe de commande 123.In the process of closing ( figure 9 ), the head of the first axis 113 enters the notch 119 of the movable flange 112, and comes into contact with the non-return feeler element 41. By continuing the tilting movement of the flange 112, the non-return feeler element 41 is driven into rotation to a predetermined angular position, wherein the latch 121 and the controller 123 switch to the lowered position. The indicator 127 disappears as the controller 123 descends.

Sur la figure 10 correspondant à la position fermée du flasque mobile 112, la tête du premier axe 113 est logée au fond de l'encoche 119, et l'organe de commande 123 se trouve en position abaissée. La tête du premier axe 113 contraint l'élément palpeur antiretour 41 à rester dans une position neutre où il ne peut pas interférer avec le verrou 121. Le voyant 127 rouge reste invisible.On the figure 10 corresponding to the closed position of the movable flange 112, the head of the first axis 113 is housed at the bottom of the notch 119, and the control member 123 is in the lowered position. The first axis head 113 forces the non-return probe element 41 to remain in a neutral position where it can not interfere with the latch 121. The red indicator 127 remains invisible.

Dans la figure 11, à partir de la position fermée, le relèvement de l'organe de commande 123 du verrou 121 dans le sens de la flèche F2, entraîne le voyant 127 qui devient à nouveau visible pour signaler que l'appareil 100 va être ouvert.In the figure 11 from the closed position, the raising of the control member 123 of the latch 121 in the direction of the arrow F2, causes the indicator 127 which becomes visible again to indicate that the apparatus 100 will be open.

Le concept de l'invention peut aussi être appliqué à un descendeur ou autre appareil d'assurage sur corde, ayant un flasque ouvrable, dont on veut détecter la bonne fermeture du flasque et l'enclenchement du verrou.The concept of the invention can also be applied to a descender or other rope belay device, having a working flange, which is to detect the good closing of the flange and the engagement of the lock.

Claims (8)

Appareil de sécurité sur corde, comportant : - un premier flasque (11, 111) et un deuxième flasque (12, 112) mobile, délimitant un espace transversal dans lequel est agencé un galet (14, 114) monté sur un premier axe (13, 113) solidaire du premier flasque (11, 111), - des moyens d'articulation du deuxième flasque (12, 112) autorisant un mouvement de basculement entre une position fermée emprisonnant la corde dans l'espace transversal, et une position ouverte pour la mise en place de la corde sur le galet (14), - et des moyens de verrouillage du deuxième flasque (12, 112) en position fermée, lesdits moyens de verrouillage comportant un verrou (21, 121) pivotant piloté par un organe de commande (23, 123), caractérisé en ce que le verrou (21, 121) est associé à un voyant (27, 127) mécanique solidaire du deuxième flasque (12, 112), ledit voyant coopérant à la fois avec le premier axe (13, 113) du galet (14, 114) et avec le verrou (21, 121) pour indiquer que le deuxième flasque (12, 112) se trouve dans un état fermé verrouillé, ou dans un état déverrouillé prêt à ouvrir.Safety apparatus on rope, comprising: - a first flange (11, 111) and a second flange (12, 112) movable, delimiting a transverse space in which is arranged a roller (14, 114) mounted on a first axis (13, 113) integral with the first flange ( 11, 111), - Articulation means of the second flange (12, 112) allowing a tilting movement between a closed position trapping the rope in the transverse space, and an open position for the establishment of the rope on the roller (14) , - and locking means of the second flange (12, 112) in the closed position, said locking means comprising a pivoting latch (21, 121) controlled by a control member (23, 123), characterized in that the latch (21, 121) is associated with a mechanical indicator (27, 127) integral with the second flange (12, 112), said indicator cooperating with both the first axis (13, 113) of the roller ( 14, 114) and with the latch (21, 121) to indicate that the second flange (12, 112) is in a locked closed state, or in an unlocked state ready to open. Appareil de sécurité selon la revendication 1, caractérisé en ce que le voyant (27) est formé par un levier indicateur articulé autour d'un axe (28) solidaire du verrou (21) pivotant, ledit voyant étant dans un état visible à travers un trou (29) de la face avant si le verrou (21) est actionné dans le sens du déverrouillage, ou si le deuxième flasque (12) est mal fermé.Safety device according to claim 1, characterized in that the indicator (27) is formed by an indicator lever hinged about an axis (28) integral with the pivoting latch (21), said indicator being in a visible state through a hole (29) of the front panel if the latch (21) is actuated in the unlocking direction, or if the second flange (12) is incorrectly closed. Appareil de sécurité selon la revendication 1, caractérisé en ce que le voyant (127) est localisé sur le verrou (121) pivotant, et qu'un élément palpeur (41) anti-retour coopère avec ledit verrou (121) pour maintenir à la fois ce dernier ouvert, et le voyant (127) visible, si le deuxième flasque (112) mobile n'est pas correctement fermé sur le premier axe (113).Safety device according to claim 1, characterized in that the indicator (127) is located on the pivoting latch (121), and that a non-return feeler element (41) cooperates with said latch (121) to maintain the latch (121). When the latter is open, and the indicator (127) visible, if the second flange (112) movable is not properly closed on the first axis (113). Appareil de sécurité selon la revendication 3, caractérisé en ce que le verrou (121 avec son voyant (127) constitue un levier bistable dans chacune des positions verrouillée et déverrouillée.Security device according to claim 3, characterized in that the lock (121 with its indicator (127) is a bistable lever in each of the locked and unlocked positions. Appareil de sécurité selon l'une des revendications 1 à 4, caractérisé en ce que le galet (14, 114) est conformé en poulie rotative montée folle sur le premier axe (13, 113).Safety device according to one of claims 1 to 4, characterized in that the roller (14, 114) is formed as a rotational pulley idly mounted on the first axis (13, 113). Appareil de sécurité selon la revendication 5, caractérisé en ce que le galet (114) est associé à une gâchette (40) de blocage destinée à bloquer la corde contre le galet (114).Safety device according to claim 5, characterized in that the roller (114) is associated with a locking trigger (40) for locking the rope against the roller (114). Appareil de sécurité selon l'une des revendications précédentes, caractérisé en ce que le deuxième flasque (12, 112) comporte un deuxième axe (17, 117) creux logé dans un orifice (18, 118) du premier flasque (11, 111) pour constituer lesdits moyens d'articulation, le diamètre extérieur du deuxième axe (17, 117) creux étant inférieur à celui de l'orifice (18, 118) pour définir un jeu en translation du premier flasque (11, 111) dans le sens de la hauteur.Safety device according to one of the preceding claims, characterized in that the second flange (12, 112) has a second hollow axis (17, 117) housed in an orifice (18, 118) of the first flange (11, 111). to constitute said articulation means, the outside diameter of the second hollow axis (17, 117) being smaller than that of the orifice (18, 118) to define a translational clearance of the first flange (11, 111) in the direction from the height. Appareil de sécurité selon la revendication 1, caractérisé en ce que le deuxième flasque (12, 112) comporte une encoche (19, 119) de retenue dans laquelle s'engage la tête du premier axe (13) suite au déplacement du deuxième flasque (12) vers la position fermée, et que le verrou (21, 121) est sollicité vers la position verrouillée par un ressort de rappel.Safety device according to claim 1, characterized in that the second flange (12, 112) comprises a retaining slot (19, 119) in which the head of the first axis (13) engages following the displacement of the second flange (12) to the closed position, and that the latch (21, 121) is biased to the locked position by a return spring.
EP14354001.1A 2013-01-16 2014-01-09 Security apparatus on a string with an indicator of the closing of the flanges Active EP2756868B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1300093A FR3000898B1 (en) 2013-01-16 2013-01-16 SAFETY APPARATUS ON ROPE HAVING A INDICATING INDICATOR INDICATOR STATE INDICATOR FOR CLOSING FLASKS

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EP2756868A1 true EP2756868A1 (en) 2014-07-23
EP2756868B1 EP2756868B1 (en) 2015-09-23

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EP (1) EP2756868B1 (en)
FR (1) FR3000898B1 (en)

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Also Published As

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FR3000898B1 (en) 2015-06-26
US9289634B2 (en) 2016-03-22
US20140196984A1 (en) 2014-07-17
EP2756868B1 (en) 2015-09-23
FR3000898A1 (en) 2014-07-18

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