EP2889252A1 - Improved hoisting device - Google Patents

Improved hoisting device Download PDF

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Publication number
EP2889252A1
EP2889252A1 EP14199518.3A EP14199518A EP2889252A1 EP 2889252 A1 EP2889252 A1 EP 2889252A1 EP 14199518 A EP14199518 A EP 14199518A EP 2889252 A1 EP2889252 A1 EP 2889252A1
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EP
European Patent Office
Prior art keywords
pulley
rope
pulleys
envelope
hole
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
EP14199518.3A
Other languages
German (de)
French (fr)
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EP2889252B1 (en
Inventor
Alain Maurice
Pierre-Olivier Chabod
Alexandre Bronnaz
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Zedel SAS
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Zedel SAS
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Publication of EP2889252A1 publication Critical patent/EP2889252A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
    • B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/02—Manually-operated, e.g. lever-actuated, devices operating on ropes, cables, or chains for hauling in a mainly horizontal direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
    • B66D3/046—Openable pulley blocks

Definitions

  • the invention relates to a hauling device.
  • the hauling technique commonly uses one or more pulleys that allow a force return and a self-locking device to facilitate maneuvering.
  • the hauling device comprises first and second fastening members 1a and 1b advantageously and / or advantageously formed by first and second pulleys.
  • the first pulley 1a is intended to mechanically couple to a fixed point.
  • the second pulley 1b is intended to mate mechanically to the person to be rescued.
  • the first pulley 1a is connected directly or indirectly to a relay or fixed point.
  • the second pulley 1b is connected to the rope that holds the person to rescue. In this configuration, the person to be rescued is lifted by pulling on the rope that holds him. This situation can happen when the person has fallen into a crevasse or when a second party is blocked.
  • the first pulley 1a is connected directly or indirectly to a relay via the rope that initially retains the person to rescue.
  • the second pulley 1b is connected directly or indirectly to the person to be rescued.
  • the person to be rescued is then supported by the hauling device which organizes the movement of the person to rescue for example on another rope.
  • the first pulley 1a comprises a first sheave 2a and preferably a first set of at least two sheaves 2a mounted side by side.
  • the second pulley 1b has a second sheave 2b and preferably a second set of at least two sheaves 2b also mounted side-by-side.
  • mounted side by side it is meant that the two sheaves are shifted laterally along the axis of rotation of the two sheaves.
  • the rotational axes of sheaves 2a and 2b are coaxial. It is also conceivable to provide that the two sheaves 2a and / or 2b do not share the same axis and that they are offset perpendicular to the axis of rotation, but this configuration is less advantageous because it is less compact.
  • réa we mean a grooved wheel, that is to say the moving part in which a rope is wound.
  • the two pulleys 1a and 1b are connected via a rope 3 or wire connector.
  • the rope 3 is advantageously fixed to one of the pulley 1 to gain compactness so that the fixed connection to the fastener defines an end of the rope.
  • the rope is tied at an orifice of one of the pulleys.
  • the orifice is made in a fixed flange of the pulley.
  • the rope 3 travels through the sets of sheaves 2.
  • the path of the rope 3 is such that it moves alternately from one of the fasteners to the other fastener.
  • the rope 3 is fixed to the first pulley 1a, then it winds partially around one of the sheaves 2b of the second pulley 1b to then redirect to the first pulley 1a.
  • the rope 3 wraps around one of the sheaves 2a to move back to the second pulley 1b.
  • the rope 3 then leaves the second pulley for the first pulley 1a.
  • the rope 3 is then made available to allow manipulation by the user.
  • the path of the rope 3 between the different sheaves is any as long as the pull of the rope 3 results in a bringing together of the two pulleys 1 a and 1 b. In this way, the pulling of the rope 3 causes the two pulleys 1 a and 1 b to come together.
  • the first and / or second pulley 1a and 1b comprise a self-locking member 4.
  • the self-locking member 4 is configured to allow the two pulleys 1a and 1b to move closer together and to prevent their removal. In this way, the pulling of the rope 3 will cause the movement of the second pulley relative to the first pulley 1 which allows for example to lift the person to rescue. If the rope 3 is released voluntarily or involuntarily, the distance between the two pulleys 1a and 1b is maintained as the self-locking member 4 is not disabled.
  • the first and second pulleys 1a and 1b are formed by double pulleys, that is to say with two sheaves integral which allows to have an effective reduction without having a large volume.
  • the first and second pulleys 1a and 1b have a through hole 5a / 5b which allows the passage of a carabiner (not shown).
  • a carabiner (not shown).
  • This configuration is particularly advantageous because it allows to quickly change the carabiner for another carabiner having a size and / or shape more adapted to the specific needs of the user.
  • the carabiner can be replaced by any other removable connector, for example, a link, a shackle and possibly a strap.
  • each pulley 1a / 1b As the sheaves are integral with the pulley, a single attachment point is used for each pulley 1a / 1b which allows for maximum performance because the two groups of sheaves are face to face. The path of the rope 3 is then natural and without friction point.
  • the hauling device also comprises an envelope 6.
  • the envelope 6 is configured to attach to the first and second pulleys 1a and 1b.
  • the envelope 6 is configured to be removably mounted which allows access to the interior of the hauling device.
  • the envelope 6 is configured to cover the path of the rope 3 between the sheaves 2a / 2b and allow the exit of the end used to draw the rope 3.
  • the hauling device intended to serve only in exceptional cases, the device is stored in a bag with the rest of the equipment. It has been discovered that the envelope 6 connecting the two pulleys 1a / 1b and defining a sheath around the multiple paths of the rope 3 prevents the formation of knots. Indeed, when the device is not used and in the absence of envelope 6, it has been observed that nodes can appear or that the different entanglement string paths. Under these conditions, the hauling device is unusable, it is necessary to disassemble the various elements which is particularly anxiety.
  • envelope 6 makes it possible to constrain the arrangement of the hauling device and more particularly the different passages of the rope 3 between the sheaves 2a and 2b.
  • the envelope 6 is flexible in a first direction to allow a modulation of the length between an elongated position where the two fastening devices 1a and 1b are remote and a shortened position where the two fasteners 1a and 1b b are close together (after drawing rope 3). This flexibility can result in compressibility of the envelope during the pulling of the rope.
  • the envelope 6 is advantageously flexible in another direction to allow easy storage of the device. This freedom of movement in several directions does not hinder the operation of the device while ensuring a drastic reduction in the risk of knots or entanglement of the rope. In operation, the device is stretched and therefore linear.
  • This configuration makes it possible for example to fold the hauling device to save space. This also allows a twisting of the central part of the device during storage.
  • the envelope 6 may be formed by a continuous non-perforated material, a perforated material or an assembly of these two materials.
  • the casing 6 is advantageously made of a material of textile type which allows good malleability with negligible overweight.
  • the envelope 6 is formed at least partially in a compressible material so as not to create a force which opposes the bringing together of the two fastening members during the pulling of the rope 3.
  • the continuous material may be a fabric which is which protects the inside of the device and reduces the introduction of dirt.
  • the perforated material is for example a net which allows to quickly detect a wear of the rope inside the hauling device or another element for safety.
  • the net is made of a polymer material which facilitates drying, for example in a lycra-type material.
  • the portion of the casing 6 in contact with the first and / or second pulleys 1a / 1b is made of a more rigid material than that used to surround the multiple rope passages 6.
  • These portions in contact with the two pulleys 1a / 1b advantageously form the ends of the casing 6.
  • the formation of a more rigid casing 6 at the ends allows a better operation of the device because it reduces the risk of deformation of the casing near the sheaves. which avoids an untimely blocking.
  • the material forming the ends of the envelope is a more rigid material, for example leather or a soft plastic material injected, a coated fabric advantageously of the PVC or polyurethane type.
  • the increased rigidity can be achieved by providing a thicker material.
  • the increase in rigidity at the ends reduces the risk of the envelope deforming around the sheaves and getting caught between a sheave and the rope.
  • the portions in contact with the fasteners 1a / 1b are fixed to said fasteners which avoids undesired displacement of the envelope 6 in use and limits the risk of jamming in the sheaves.
  • the portions in contact with the pulleys 1a / 1b comprise an orifice which cooperates with the orifice 5 present in the pulleys 1a and 1b.
  • the carabiner ensures the attachment of the casing 6 with the pulley 1a / 1b. It is then possible to easily remove the pulley 1a / 1b by removing the carabiners. Overweight is limited because there is no superfluous room.
  • first pulley 1a is an unlockable blocking pulley associated with a single pulley. These two elements are mechanically associated to form a first pulley 1a monobloc.
  • the integrated blocking pulley has a small footprint and ease of use which are particularly interesting.
  • the first pulley 1a has a first fixed flange 7 serving to support a first axis 8 of a rotary roller 9, and a second axis 10 of pivoting of a trigger 11.
  • the two axes 8, 10 are fixed, and advantageously extend parallel to each other in a direction perpendicular to the first flange 7.
  • the cylindrical roller 9 is mounted for free rotation about the first axis 8, and is provided with its periphery of an annular groove for guiding the rope 3 in the sheave.
  • the pivoting trigger 11 is provided with a braking surface intended to press the rope 3 against the roller 9 to form a blocker integrated in the space between the two axes 8, 10.
  • the braking surface comprises a plurality of inclined pins intended to to reinforce the locking effect of the rope when the blocker is active.
  • a spring 12 urges the trigger 11 towards the roller 9.
  • a second movable flange 13 is tiltably mounted on the end of the first axis 8 between a closed position and an open position.
  • the open position of the second flange 13 allows the introduction of the rope 3, after moving the trigger 11 to the inactive position, moving it away from the roller 9.
  • the rope 3 In the closed position of the second flange 13, the rope 3 is wound in loop on the roller 9, and is trapped in the transverse gap formed between the flanges 7, 13 advantageously parallel.
  • the first flange 7 has a first orifice 14 located near the second axis 10, and above the rotary roller 9.
  • the second flange 13 is provided with a second orifice 16, which comes into alignment with the first orifice 14 when the two flanges 7, 13 are positioned in the closed position.
  • the two orifices partially define the orifice 5a. It is then possible to introduce a removable connector to hold the flanges 7, 13 in this position by preventing inadvertent tilting.
  • the stud 17 is equipped with a latch 18 capable of pivoting about an axis 19 between a locked position and an unlocked position.
  • the axis 19 of pivoting of the latch 18 is advantageously parallel to the second axis 10 of the trigger 11.
  • a third movable flange 20 is mounted to tilt, preferably on the end of the first axis 8 between a closed position and an open position.
  • a second cylindrical roller 21 is mounted preferably free to rotate about the first axis 8, and is provided at its periphery with an annular groove for guiding the rope. The second roller 21 separates the flanges 7 and 19.
  • each face of the first flange 7 is equipped with a stud.
  • the open position of the third flange 20 allows the establishment of the rope.
  • the cord In the closed position of the third flange 20, the cord is wound in a loop on the roller 21, and is trapped in the transverse gap formed between the flanges 7, 20.
  • the third flange is advantageously deformed in the cooperating zone before the stud 22 so as to limit the protuberance formed by the stud and reduce the size of the first fastener 1 a.
  • the third flange 19 has a first orifice 23 located above the rotary roller 21.
  • the first orifice 23 of the third flange 20 comes into alignment with the first orifice 14 when the two flanges 7 and 20 are in the closed position.
  • the orifices 14, 15 and 23 define the orifice 5a. It is then possible to introduce a removable connector to hold the flanges 7, 13 and 20 in this position by preventing inadvertent tilting.
  • the second fixing member 1b is formed by a double pulley devoid of a self-locking member.
  • the two sheaves are mechanically associated to form a pulley 1b monobloc.
  • the second fixing member 1b has a first fixed flange 24 serving to support a first axis 25 of a rotary roller 26.
  • the axis 25 is fixed, and extends in a direction perpendicular to the first flange 24.
  • the cylindrical roller 26 is mounted to rotate freely about the first axis 25, and is provided at its periphery with an annular groove for the guidance of the rope.
  • a second movable flange 27 is tiltably mounted on the end of the first axis 25 between a closed position and an open position.
  • the open position of the second flange 27 allows the establishment of the rope.
  • the rope 3 is wound on the roller 26, and is trapped in the transverse gap formed between the flanges 24 and 27.
  • the first flange 24 has a first orifice 28 situated above the rotary roller 26.
  • the second flange 27 is provided with a second orifice 29, which comes into alignment with the first orifice 28 when the two flanges 24 and 27 are positioned in the closed position.
  • the two orifices partially define the orifice 5b. It is then possible to introduce a removable connector to maintain the flanges 24 and 27 in this position by preventing inadvertent tilting.
  • a third movable flange 30 is tiltably mounted, preferably on the end of the first axis 25 between a closed position and an open position.
  • a second cylindrical roller 31 is mounted preferably free to rotate about the first axis 25, and is provided at its periphery with an annular groove for guiding the rope. The second roller 31 separates the flanges 24 and 30.
  • the third flange 30 is provided with an orifice 32, which comes into alignment with the first orifice 28 when the two flanges 24 and 30 are positioned in the closed position.
  • the three orifices 28, 29 and 32 define the orifice 5b. It is then possible to introduce a removable connector to maintain the flanges 24, 27 and 30 in this position by preventing inadvertent tilting.
  • each face of the first flange 24 is equipped with a stud.
  • the second and third flanges 27 and 30 are advantageously deformed in the zone cooperating before the stud 33 so as to limit the transverse protuberance formed by the stud 33 and reduce the bulk of the second fastener 1b.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Lowering Means (AREA)

Abstract

Le dispositif de mouflage comporte des première et deuxième poulies (1a, 1 b) munis chacune d'un jeu de réas (2a, 2b). Les deux poulies (1a, 1 b) sont destinées à être fixé respectivement à un point fixe et à une personne à secourir. Une corde (3) fixée à l'une des deux poulies (1a/1b) et agencée de sorte que la première poulie (1a) se rapproche de la deuxième poulie (1 b) lors d'un tirage de la corde (3). Une enveloppe connecte la première poulie (1a) à la deuxième poulie (1 b) et entoure le cheminement de la corde (3) entre les deux poulies (1a, 1b). Une extrémité de la corde (3) sort de l'enveloppe pour autoriser le tirage de l'extrémité de la corde (3).The hauling device comprises first and second pulleys (1a, 1b) each provided with a set of sheaves (2a, 2b). The two pulleys (1a, 1b) are intended to be fixed respectively to a fixed point and to a person to be rescued. A rope (3) fixed to one of the two pulleys (1a / 1b) and arranged so that the first pulley (1a) approaches the second pulley (1b) during a pull of the rope (3) . An envelope connects the first pulley (1a) to the second pulley (1b) and surrounds the path of the rope (3) between the two pulleys (1a, 1b). One end of the rope (3) comes out of the envelope to allow the pull of the end of the rope (3).

Description

Domaine technique de l'inventionTechnical field of the invention

L'invention est relative à un dispositif de mouflage.The invention relates to a hauling device.

État de la techniqueState of the art

En alpinisme, lorsqu'un des compagnons est tombé dans une crevasse, ou de manière plus générale lorsqu'un individu est coincé sur un brin de corde, il est important de pouvoir soulever la personne en détresse afin d'améliorer sa situation.In mountaineering, when one of the companions has fallen into a crevasse, or more generally when an individual is stuck on a strand of rope, it is important to be able to lift the person in distress to improve his situation.

Les techniques de mouflage sont couramment utilisées car elles permettent de démultiplier la force appliquée ce qui permet de soulever une masse importante dans un environnement pas toujours adapté.The techniques of hauling are commonly used because they allow to increase the applied force which allows to lift a large mass in a not always suitable environment.

La technique de mouflage utilise communément une ou plusieurs poulies qui permettent un renvoie d'effort et un dispositif autobloquant pour faciliter la manoeuvre.The hauling technique commonly uses one or more pulleys that allow a force return and a self-locking device to facilitate maneuvering.

Cette situation arrive très rarement, mais elle est particulièrement stressante. En effet, cette situation arrive à l'improviste (chute en crevasse, accident) et la personne qui doit secourir l'individu en détresse doit simultanément assurer sa propre sécurité et économiser son énergie afin d'éviter une aggravation de la situation. Lors de ces situations extraordinaires, il n'est pas rare que la personne à secourir soit blessée voire inconsciente ce qui la rend incapable d'intervenir dans son propre secours.This situation happens very rarely, but it is particularly stressful. In fact, this situation happens unexpectedly (fall in crevasse, accident) and the person who must rescue the individual in distress must simultaneously ensure his own safety and save his energy in order to avoid a worsening of the situation. In these extraordinary situations, it is not rare that the person to be rescued is hurt or even unconscious which makes him unable to intervene in his own rescue.

Il faut donc que la personne assurant le secours possède une parfaite maitrise de la technique de mouflage et également assez de calme pour gérer cette situation.It is therefore necessary that the person providing the rescue has a perfect mastery of the hauling technique and also enough calm to handle this situation.

Objet de l'inventionObject of the invention

On constate qu'il existe un besoin de prévoir un dispositif de mouflage prêt à l'emploi et facilement transportable.It is noted that there is a need to provide a hauling device ready for use and easily transportable.

On tend à combler ce besoin au moyen d'un dispositif de mouflage qui comporte :

  • Un premier organe de fixation destiné à être fixé à un point fixe et comportant un premier jeu d'au moins deux poulies,
  • Un deuxième organe de fixation destiné à être fixé à une personne à secourir et comportant un deuxième jeu d'au moins deux poulies,
  • Une corde fixée à l'un des deux éléments de fixation et agencée pour relier au moins deux poulies du premier organe de fixation avec au moins deux poulies du deuxième organe de fixation de sorte que le premier organe de fixation se rapproche du deuxième organe de fixation lors d'un tirage de la corde,
  • Une enveloppe connectant le premier organe de fixation au deuxième organe de fixation et entourant le cheminement de la corde entre les deux organes de fixation, une extrémité de la corde sortant de l'enveloppe pour autoriser le tirage de ladite extrémité.
This need is addressed by means of a hauling device which comprises:
  • A first fixing member intended to be fixed at a fixed point and comprising a first set of at least two pulleys,
  • A second fixing member intended to be fixed to a person to be rescued and comprising a second set of at least two pulleys,
  • A rope fastened to one of the two fastening elements and arranged to connect at least two pulleys of the first fastener with at least two pulleys of the second fastener so that the first fastener approaches the second fastener during a draw of the rope,
  • An envelope connecting the first fastener to the second fastener and surrounding the path of the rope between the two fasteners, one end of the rope exiting the envelope to allow the drawing of said end.

Description sommaire des dessinsBrief description of the drawings

D'autres avantages et caractéristiques ressortiront plus clairement de la description qui va suivre de modes particuliers de réalisation de l'invention donnés à titre d'exemples non limitatifs et représentés au dessin annexé, dans lequel :

  • la figure 1 représente, de manière schématique, un dispositif de mouflage dépourvu de son enveloppe,
  • les figures 2a et 2b représentent de manière schématique, un dispositif de mouflage avec son enveloppe dans une configuration allongée et dans une configuration raccourcie,
  • les figures 3a, 3b, 4a et 4b représentent de manière schématique des vues en perspective et des vues explosées des éléments de fixation.
Other advantages and features will emerge more clearly from the following description of particular embodiments of the invention given by way of non-limiting example and represented in the accompanying drawing, in which:
  • the figure 1 represents, schematically, a hauling device without its envelope,
  • the Figures 2a and 2b show schematically a hauling device with its envelope in an elongated configuration and in a shortened configuration,
  • the Figures 3a, 3b , 4a and 4b schematically represent perspective views and exploded views of the fasteners.

Description de modes de réalisation préférentiels de l'inventionDESCRIPTION OF PREFERRED EMBODIMENTS OF THE INVENTION

Le dispositif de mouflage comporte des premier et deuxième organes de fixation 1 a et 1 b comportant et/ou formés avantageusement par des première et deuxième poulies. La première poulie 1a est destinée à s'accoupler mécaniquement à un point fixe. La deuxième poulie 1 b est destinée à s'accoupler mécaniquement à la personne à secourir.The hauling device comprises first and second fastening members 1a and 1b advantageously and / or advantageously formed by first and second pulleys. The first pulley 1a is intended to mechanically couple to a fixed point. The second pulley 1b is intended to mate mechanically to the person to be rescued.

Dans une première situation, la première poulie 1 a est connectée directement ou indirectement à un relai ou point fixe. La deuxième poulie 1 b est connectée à la corde qui retient la personne à secourir. Dans cette configuration, la personne à secourir est soulevée en tirant sur la corde qui le retient. Ce cas de figure peut arriver lorsque la personne est tombée dans une crevasse ou lorsqu'un second de cordé est bloqué.In a first situation, the first pulley 1a is connected directly or indirectly to a relay or fixed point. The second pulley 1b is connected to the rope that holds the person to rescue. In this configuration, the person to be rescued is lifted by pulling on the rope that holds him. This situation can happen when the person has fallen into a crevasse or when a second party is blocked.

Dans une deuxième situation, la première poulie 1a est connectée directement ou indirectement à un relai par l'intermédiaire de la corde qui retient initialement la personne à secourir. La deuxième poulie 1 b est connectée directement ou indirectement à la personne à secourir. La personne à secourir est ensuite supportée par le dispositif de mouflage ce qui permet d'organiser le déplacement de la personne à secourir par exemple sur une autre corde.In a second situation, the first pulley 1a is connected directly or indirectly to a relay via the rope that initially retains the person to rescue. The second pulley 1b is connected directly or indirectly to the person to be rescued. The person to be rescued is then supported by the hauling device which organizes the movement of the person to rescue for example on another rope.

Les deux situations indiquées ci-dessus sont données à titre d'exemple. D'autres situations sont envisageables.The two situations indicated above are given by way of example. Other situations are possible.

La première poulie 1a comporte un premier réa 2a et de préférence un premier jeu d'au moins deux réas 2a montés côte-à-côte. La deuxième poulie 1 b comporte un deuxième réa 2b et de préférence un deuxième jeu d'au moins deux réas 2b montés également côte-à-cote. Par montés côte-à-côte, on entend que les deux réas sont décalés latéralement selon l'axe de rotation des deux réas. De manière avantageuse, les axes de rotations des réas 2a et 2b sont coaxiaux. Il est également envisageable de prévoir que les deux réas 2a et/ou 2b ne partagent pas le même axe et qu'ils sont décalés perpendiculairement par rapport à l'axe de rotation, mais cette configuration est moins avantageuse car elle moins compacte. Par réa, on entend une roue à gorge, c'est-à-dire la partie mobile dans laquelle s'enroule une corde.The first pulley 1a comprises a first sheave 2a and preferably a first set of at least two sheaves 2a mounted side by side. The second pulley 1b has a second sheave 2b and preferably a second set of at least two sheaves 2b also mounted side-by-side. By mounted side by side, it is meant that the two sheaves are shifted laterally along the axis of rotation of the two sheaves. Advantageously, the rotational axes of sheaves 2a and 2b are coaxial. It is also conceivable to provide that the two sheaves 2a and / or 2b do not share the same axis and that they are offset perpendicular to the axis of rotation, but this configuration is less advantageous because it is less compact. By réa, we mean a grooved wheel, that is to say the moving part in which a rope is wound.

Les deux poulies 1 a et 1 b sont connectées par l'intermédiaire d'une corde 3 ou connecteur filaire. La corde 3 est avantageusement fixée à l'une des poulie 1 pour gagner en compacité de sorte que la connexion fixe à l'organe de fixation définit une extrémité de la corde. Avantageusement, la corde est nouée à un orifice d'une des poulies. De manière préférentielle, l'orifice est réalisé dans un flasque fixe de la poulie.The two pulleys 1a and 1b are connected via a rope 3 or wire connector. The rope 3 is advantageously fixed to one of the pulley 1 to gain compactness so that the fixed connection to the fastener defines an end of the rope. Advantageously, the rope is tied at an orifice of one of the pulleys. Preferably, the orifice is made in a fixed flange of the pulley.

La corde 3 chemine à travers les jeux de réas 2. Le cheminement de la corde 3 est tel qu'elle se déplace alternativement d'un des organes de fixation à l'autre organe de fixation. Dans le mode de réalisation illustré à la figure 1, la corde 3 est fixée à la première poulie 1a, puis elle s'enroule partiellement autour d'un des réas 2b de la deuxième poulie 1 b pour se rediriger ensuite vers la première poulie 1 a. La corde 3 s'enroule autour d'un des réas 2a pour se diriger de nouveau vers la deuxième poulie 1 b. La corde 3 repart ensuite de la deuxième poulie pour là première poulie 1a. La corde 3 est ensuite rendue disponible pour permettre sa manipulation par l'utilisateur.The rope 3 travels through the sets of sheaves 2. The path of the rope 3 is such that it moves alternately from one of the fasteners to the other fastener. In the embodiment illustrated in figure 1 , the rope 3 is fixed to the first pulley 1a, then it winds partially around one of the sheaves 2b of the second pulley 1b to then redirect to the first pulley 1a. The rope 3 wraps around one of the sheaves 2a to move back to the second pulley 1b. The rope 3 then leaves the second pulley for the first pulley 1a. The rope 3 is then made available to allow manipulation by the user.

Le cheminement de la corde 3 entre les différents réas est quelconque tant que le tirage de la corde 3 se traduit par un rapprochement des deux poulies 1 a et 1 b. De cette manière, le tirage de la corde 3 entraine le rapprochement des deux poulies 1 a et 1 b.The path of the rope 3 between the different sheaves is any as long as the pull of the rope 3 results in a bringing together of the two pulleys 1 a and 1 b. In this way, the pulling of the rope 3 causes the two pulleys 1 a and 1 b to come together.

De manière avantageuse, la première et/ou la deuxième poulie 1 a et 1 b comportent un organe autobloquant 4. L'organe autobloquant 4 est configuré pour autoriser le rapprochement des deux poulies 1 a et 1 b et interdire leur éloignement. De cette manière, le tirage de la corde 3 va entrainer le déplacement de la deuxième poulie par rapport à la première poulie 1 a ce qui permet par exemple de soulever la personne à secourir. Si la corde 3 est lâchée volontairement ou involontairement, la distance entre les deux poulies 1 a et 1 b est maintenue tant que l'organe autobloquant 4 n'est pas désactivé.Advantageously, the first and / or second pulley 1a and 1b comprise a self-locking member 4. The self-locking member 4 is configured to allow the two pulleys 1a and 1b to move closer together and to prevent their removal. In this way, the pulling of the rope 3 will cause the movement of the second pulley relative to the first pulley 1 which allows for example to lift the person to rescue. If the rope 3 is released voluntarily or involuntarily, the distance between the two pulleys 1a and 1b is maintained as the self-locking member 4 is not disabled.

Dans un mode de réalisation particulièrement avantageux illustré aux figures 1, 3 et 4, la première et la deuxième poulies 1 a et 1 b sont formées par des poulies doubles, c'est-à-dire avec deux réas solidaires ce qui permet d'avoir une démultiplication efficace sans avoir un volume important.In a particularly advantageous embodiment illustrated in figures 1 , 3 and 4 , the first and second pulleys 1a and 1b are formed by double pulleys, that is to say with two sheaves integral which allows to have an effective reduction without having a large volume.

Dans une configuration préférentielle, la première et la deuxième poulies 1 a et 1 b comportent un orifice traversant 5a/5b qui permet le passage d'un mousqueton (non représenté). Cette configuration est particulièrement avantageuse car elle permet de changer rapidement le mousqueton pour un autre mousqueton ayant une taille et/ou une forme plus adaptée aux besoins spécifiques de l'utilisateur. En variante, il est également possible de prévoir un système d'attache monté sur les poulies, mais cette configuration est moins pratique. Le mousqueton peut être remplacé par tout autre connecteur amovible, par exemple, un maillon, une manille et éventuellement une sangle.In a preferred configuration, the first and second pulleys 1a and 1b have a through hole 5a / 5b which allows the passage of a carabiner (not shown). This configuration is particularly advantageous because it allows to quickly change the carabiner for another carabiner having a size and / or shape more adapted to the specific needs of the user. Alternatively, it is also possible to provide a fastening system mounted on the pulleys, but this configuration is less convenient. The carabiner can be replaced by any other removable connector, for example, a link, a shackle and possibly a strap.

Comme les réas sont solidaires de la poulie, un seul point d'accrochage est utilisé pour chacune des poulies 1a/1b ce qui permet d'avoir un rendement maximal car les deux groupes de réas sont face à face. Le cheminement de la corde 3 est alors naturel et sans point de frottement.As the sheaves are integral with the pulley, a single attachment point is used for each pulley 1a / 1b which allows for maximum performance because the two groups of sheaves are face to face. The path of the rope 3 is then natural and without friction point.

Le dispositif de mouflage comporte également une enveloppe 6. L'enveloppe 6 est configurée pour se fixer aux première et deuxième poulies 1 a et 1 b. Avantageusement, l'enveloppe 6 est configurée pour être montée amovible ce qui permet d'accéder à l'intérieur du dispositif de mouflage. L'enveloppe 6 est configurée de manière à couvrir le cheminement de la corde 3 entre les réas 2a/2b et autoriser la sortie de l'extrémité utilisée pour réaliser le tirage de la corde 3.The hauling device also comprises an envelope 6. The envelope 6 is configured to attach to the first and second pulleys 1a and 1b. Advantageously, the envelope 6 is configured to be removably mounted which allows access to the interior of the hauling device. The envelope 6 is configured to cover the path of the rope 3 between the sheaves 2a / 2b and allow the exit of the end used to draw the rope 3.

Le dispositif de mouflage ayant pour vocation de ne servir que dans des cas exceptionnels, le dispositif est stocké dans un sac avec le reste de l'équipement. Il a été découvert que l'enveloppe 6 connectant les deux poulies 1a/1b et définissant un fourreau autour des multiples trajets de la corde 3 permet d'éviter la formation de noeuds. En effet, lorsque le dispositif n'est pas utilisé et en l'absence d'enveloppe 6, il a été observé que des noeuds peuvent apparaître ou que les différents trajets de corde d'emmêlent. Dans ces conditions, le dispositif de mouflage est inutilisable, il faut alors démonter les différents éléments ce qui est particulièrement anxiogène.The hauling device intended to serve only in exceptional cases, the device is stored in a bag with the rest of the equipment. It has been discovered that the envelope 6 connecting the two pulleys 1a / 1b and defining a sheath around the multiple paths of the rope 3 prevents the formation of knots. Indeed, when the device is not used and in the absence of envelope 6, it has been observed that nodes can appear or that the different entanglement string paths. Under these conditions, the hauling device is unusable, it is necessary to disassemble the various elements which is particularly anxiety.

L'utilisation de l'enveloppe 6 permet de contraindre l'agencement du dispositif de mouflage et plus particulièrement les différents passages de la corde 3 entre les réas 2a et 2b.The use of the envelope 6 makes it possible to constrain the arrangement of the hauling device and more particularly the different passages of the rope 3 between the sheaves 2a and 2b.

Comme illustré aux figures 2a et 2b, l'enveloppe 6 est flexible dans une première direction afin de permet une modulation de la longueur entre une position allongée où les deux dispositifs de fixation 1 a et 1 b sont éloignés et une position raccourcie où les deux dispositifs de fixation 1 a et 1 b sont rapprochés (après tirage de la corde 3). Cette flexibilité peut se traduire par une compressibilité de l'enveloppe lors du tirage de la corde.As illustrated in Figures 2a and 2b , the envelope 6 is flexible in a first direction to allow a modulation of the length between an elongated position where the two fastening devices 1a and 1b are remote and a shortened position where the two fasteners 1a and 1b b are close together (after drawing rope 3). This flexibility can result in compressibility of the envelope during the pulling of the rope.

L'enveloppe 6 est avantageusement flexible dans une autre direction afin de permettre un rangement aisé du dispositif. Cette liberté de mouvement dans plusieurs directions ne gêne pas le fonctionnement du dispositif tout en assurant une réduction drastique des risques de noeuds ou un enchevêtrement de la corde. En fonctionnement, le dispositif est tendu et donc linéaire.The envelope 6 is advantageously flexible in another direction to allow easy storage of the device. This freedom of movement in several directions does not hinder the operation of the device while ensuring a drastic reduction in the risk of knots or entanglement of the rope. In operation, the device is stretched and therefore linear.

Cette configuration permet par exemple de plier le dispositif de mouflage pour un gain de place. Cela autorise également une torsion de la partie centrale du dispositif lors de son stockage.This configuration makes it possible for example to fold the hauling device to save space. This also allows a twisting of the central part of the device during storage.

L'enveloppe 6 peut être formée par un matériau continu non ajouré, par un matériau ajouré ou par un assemblage de ces deux matériaux. L'enveloppe 6 est avantageusement réalisée dans un matériau de type textile ce qui permet une bonne malléabilité avec un surpoids négligeable. L'enveloppe 6 est formée au moins partiellement dans un matériau compressible de manière à ne pas créer un force qui s'oppose au rapprochement des deux organes de fixation lors du tirage de la corde 3. Le matériau continu peut être une toile ce qui permet de protéger l'intérieur du dispositif et de réduire l'introduction des salissures.The envelope 6 may be formed by a continuous non-perforated material, a perforated material or an assembly of these two materials. The casing 6 is advantageously made of a material of textile type which allows good malleability with negligible overweight. The envelope 6 is formed at least partially in a compressible material so as not to create a force which opposes the bringing together of the two fastening members during the pulling of the rope 3. The continuous material may be a fabric which is which protects the inside of the device and reduces the introduction of dirt.

Le matériau ajouré est par exemple un filet ce qui permet de détecter rapidement une usure de la corde à l'intérieur du dispositif de mouflage ou d'un autre élément pour plus de sécurité. Avantageusement, le filet est réalisé dans une matière polymère qui facilite le séchage, par exemple dans un matériau de type lycra.The perforated material is for example a net which allows to quickly detect a wear of the rope inside the hauling device or another element for safety. Advantageously, the net is made of a polymer material which facilitates drying, for example in a lycra-type material.

Dans une configuration particulièrement avantageuse, la portion de l'enveloppe 6 en contact avec le premier et/ou le deuxième poulies 1a/1b est réalisée dans un matériau plus rigide que celui utilisé pour entourer les multiples passages de corde 6. Ces portions en contact avec les deux poulies 1a/1b forment avantageusement les extrémités de l'enveloppe 6. La formation d'une enveloppe 6 plus rigide aux extrémités permet un meilleur fonctionnement du dispositif car il réduit le risque de déformation de l'enveloppe à proximité des réas ce qui évite un blocage intempestif. De manière avantageuse, le matériau formant les extrémités de l'enveloppe est un matériau plus rigide, par exemple du cuir ou un matériau plastique souple injecté, une toile enduite avantageusement de type PVC ou polyuréthane. La rigidité accrue peut être obtenue en prévoyant un matériau plus épais. L'augmentation de rigidité aux extrémités permet de réduire les risques de voir l'enveloppe se déformer autour des réas et de se coincer entre un réa et la corde.In a particularly advantageous configuration, the portion of the casing 6 in contact with the first and / or second pulleys 1a / 1b is made of a more rigid material than that used to surround the multiple rope passages 6. These portions in contact with the two pulleys 1a / 1b advantageously form the ends of the casing 6. The formation of a more rigid casing 6 at the ends allows a better operation of the device because it reduces the risk of deformation of the casing near the sheaves. which avoids an untimely blocking. Advantageously, the material forming the ends of the envelope is a more rigid material, for example leather or a soft plastic material injected, a coated fabric advantageously of the PVC or polyurethane type. The increased rigidity can be achieved by providing a thicker material. The increase in rigidity at the ends reduces the risk of the envelope deforming around the sheaves and getting caught between a sheave and the rope.

Préférentiellement, les portions en contact avec les organes de fixation 1a/1b sont fixées auxdits organes de fixation ce qui évite un déplacement non désiré de l'enveloppe 6 en cours d'utilisation et limite les risques de coincement dans les réas. Dans une configuration particulière, les portions en contact avec les poulies 1a/1b comportent un orifice qui coopère avec l'orifice 5 présent dans les poulies 1 a et 1 b. De cette manière, le mousqueton assure la fixation de l'enveloppe 6 avec la poulie 1a/1b. Il est alors possible de démonter facilement la poulie 1a/1b en enlevant les mousquetons. Le surpoids est limité car il n'y a pas de pièce superflue.Preferably, the portions in contact with the fasteners 1a / 1b are fixed to said fasteners which avoids undesired displacement of the envelope 6 in use and limits the risk of jamming in the sheaves. In a particular configuration, the portions in contact with the pulleys 1a / 1b comprise an orifice which cooperates with the orifice 5 present in the pulleys 1a and 1b. In this way, the carabiner ensures the attachment of the casing 6 with the pulley 1a / 1b. It is then possible to easily remove the pulley 1a / 1b by removing the carabiners. Overweight is limited because there is no superfluous room.

Dans le mode de réalisation illustré aux figures 3a et 3b, la première poulie 1 a est une poulie à bloqueur déverrouillable associée à une poulie simple. Ces deux éléments sont associés mécaniquement afin de former une première poulie 1a monobloc.In the embodiment illustrated in Figures 3a and 3b the first pulley 1a is an unlockable blocking pulley associated with a single pulley. These two elements are mechanically associated to form a first pulley 1a monobloc.

La poulie à bloqueur intégré présente un encombrement réduit et une facilité d'utilisation qui sont particulièrement intéressants.The integrated blocking pulley has a small footprint and ease of use which are particularly interesting.

Comme illustré sur la figure 3b, la première poulie 1 a possède un premier flasque 7 fixe servant de support à un premier axe 8 d'un galet 9 rotatif, et à un deuxième axe 10 de pivotement d'une gâchette 11 de blocage.As illustrated on the figure 3b , the first pulley 1a has a first fixed flange 7 serving to support a first axis 8 of a rotary roller 9, and a second axis 10 of pivoting of a trigger 11.

Les deux axes 8, 10 sont fixes, et s'étendent avantageusement parallèlement l'un à l'autre selon une direction perpendiculaire au premier flasque 7. Le galet 9 cylindrique est monté à rotation libre autour du premier axe 8, et est muni à sa périphérie d'une gorge annulaire pour le guidage de la corde 3 dans le réa.The two axes 8, 10 are fixed, and advantageously extend parallel to each other in a direction perpendicular to the first flange 7. The cylindrical roller 9 is mounted for free rotation about the first axis 8, and is provided with its periphery of an annular groove for guiding the rope 3 in the sheave.

La gâchette 11 pivotante est pourvue d'une surface de freinage destinée à presser la corde 3 contre le galet 9 pour constituer un bloqueur intégré dans l'espace entre les deux axes 8, 10. La surface de freinage comporte une pluralité de picots inclinés destinés à renforcer l'effet de blocage de la corde lorsque le bloqueur est actif. Un ressort 12 sollicite la gâchette 11 vers le galet 9.The pivoting trigger 11 is provided with a braking surface intended to press the rope 3 against the roller 9 to form a blocker integrated in the space between the two axes 8, 10. The braking surface comprises a plurality of inclined pins intended to to reinforce the locking effect of the rope when the blocker is active. A spring 12 urges the trigger 11 towards the roller 9.

Un deuxième flasque 13 mobile est monté à basculement sur l'extrémité du premier axe 8 entre une position fermée et une position ouverte. La position ouverte du deuxième flasque 13 permet la mise en place de la corde 3, après avoir déplacé la gâchette 11 vers la position inactive, l'écartant du galet 9. Dans la position fermée du deuxième flasque 13, la corde 3 est enroulée en boucle sur le galet 9, et est emprisonnée dans l'intervalle transversal ménagé entre les flasques 7, 13 avantageusement parallèles.A second movable flange 13 is tiltably mounted on the end of the first axis 8 between a closed position and an open position. The open position of the second flange 13 allows the introduction of the rope 3, after moving the trigger 11 to the inactive position, moving it away from the roller 9. In the closed position of the second flange 13, the rope 3 is wound in loop on the roller 9, and is trapped in the transverse gap formed between the flanges 7, 13 advantageously parallel.

Le premier flasque 7 comporte un premier orifice 14 situé près du deuxième axe 10, et au-dessus du galet 9 rotatif. Le deuxième flasque 13 est doté d'un deuxième orifice 16, lequel vient en alignement avec le premier orifice 14 lorsque les deux flasques 7, 13 sont positionnés en position fermée. Les deux orifices définissent en partie l'orifice 5a. Il est alors possible d'y introduire un connecteur amovible pour maintenir les flasques 7, 13 dans cette position en empêchant tout basculement intempestif.The first flange 7 has a first orifice 14 located near the second axis 10, and above the rotary roller 9. The second flange 13 is provided with a second orifice 16, which comes into alignment with the first orifice 14 when the two flanges 7, 13 are positioned in the closed position. The two orifices partially define the orifice 5a. It is then possible to introduce a removable connector to hold the flanges 7, 13 in this position by preventing inadvertent tilting.

Au-dessus du premier orifice 14, se trouve un plot 17 fixé au premier flasque 7, en occupant l'intervalle transversal entre les flasques 7, 13. Le plot 17 est équipé d'un verrou 18 susceptible de pivoter autour d'un axe 19 entre une position verrouillée, et une position déverrouillée. L'axe 19 de pivotement du verrou 18 est avantageusement parallèle au deuxième axe 10 de la gâchette 11.Above the first orifice 14, there is a stud 17 fixed to the first flange 7, occupying the transverse gap between the flanges 7, 13. The stud 17 is equipped with a latch 18 capable of pivoting about an axis 19 between a locked position and an unlocked position. The axis 19 of pivoting of the latch 18 is advantageously parallel to the second axis 10 of the trigger 11.

Un troisième flasque 20 mobile est monté à basculement, avantageusement sur l'extrémité du premier axe 8 entre une position fermée et une position ouverte. Un deuxième galet 21 cylindrique est monté à rotation libre préférentiellement autour du premier axe 8, et est muni à sa périphérie d'une gorge annulaire pour le guidage de la corde. Le deuxième galet 21 sépare les flasque 7 et 19.A third movable flange 20 is mounted to tilt, preferably on the end of the first axis 8 between a closed position and an open position. A second cylindrical roller 21 is mounted preferably free to rotate about the first axis 8, and is provided at its periphery with an annular groove for guiding the rope. The second roller 21 separates the flanges 7 and 19.

Au-dessus du premier orifice 14, se trouve un plot 22 fixé au premier flasque 7, en occupant l'intervalle transversal entre les flasques 7 et 19. Dans cette configuration, chaque face du premier flasque 7 est équipée d'un plot.Above the first orifice 14 is a stud 22 fixed to the first flange 7, occupying the transverse gap between the flanges 7 and 19. In this configuration, each face of the first flange 7 is equipped with a stud.

La position ouverte du troisième flasque 20 permet la mise en place de la corde. Dans la position fermée du troisième flasque 20, la corde est enroulée en boucle sur le galet 21, et est emprisonnée dans l'intervalle transversal ménagé entre les flasques 7, 20. Le troisième flasque est avantageusement déformé dans la zone coopérant avant le plot 22 de manière à limiter la protubérance formée par le plot et diminuer l'encombrement du premier organe de fixation 1 a.The open position of the third flange 20 allows the establishment of the rope. In the closed position of the third flange 20, the cord is wound in a loop on the roller 21, and is trapped in the transverse gap formed between the flanges 7, 20. The third flange is advantageously deformed in the cooperating zone before the stud 22 so as to limit the protuberance formed by the stud and reduce the size of the first fastener 1 a.

Le troisième flasque 19 comporte un premier orifice 23 situé au-dessus du galet 21 rotatif. Le premier orifice 23 du troisième flasque 20 vient en alignement avec le premier orifice 14 lorsque les deux flasques 7 et 20 sont en position fermée. Les orifices 14, 15 et 23 définissent l'orifice 5a. Il est alors possible d'y introduire un connecteur amovible pour maintenir les flasques 7, 13 et 20 dans cette position en empêchant tout basculement intempestif.The third flange 19 has a first orifice 23 located above the rotary roller 21. The first orifice 23 of the third flange 20 comes into alignment with the first orifice 14 when the two flanges 7 and 20 are in the closed position. The orifices 14, 15 and 23 define the orifice 5a. It is then possible to introduce a removable connector to hold the flanges 7, 13 and 20 in this position by preventing inadvertent tilting.

Dans le mode de réalisation illustré aux figures 4a et 4b, le deuxième organe de fixation 1 b est formé par une poulie double dépourvue d'organe autobloquant. Les deux réas sont associés mécaniquement afin de former une poulie 1 b monobloc.In the embodiment illustrated in Figures 4a and 4b the second fixing member 1b is formed by a double pulley devoid of a self-locking member. The two sheaves are mechanically associated to form a pulley 1b monobloc.

Comme illustré sur la figure 4b, le deuxième organe de fixation 1 b possède un premier flasque 24 fixe servant de support à un premier axe 25 d'un galet 26 rotatif.As illustrated on the figure 4b the second fixing member 1b has a first fixed flange 24 serving to support a first axis 25 of a rotary roller 26.

L'axe 25 est fixe, et s'étend selon une direction perpendiculaire au premier flasque 24. Le galet 26 cylindrique est monté à rotation libre autour du premier axe 25, et est muni à sa périphérie d'une gorge annulaire pour le guidage de la corde.The axis 25 is fixed, and extends in a direction perpendicular to the first flange 24. The cylindrical roller 26 is mounted to rotate freely about the first axis 25, and is provided at its periphery with an annular groove for the guidance of the rope.

Un deuxième flasque 27 mobile est monté à basculement sur l'extrémité du premier axe 25 entre une position fermée et une position ouverte. La position ouverte du deuxième flasque 27 permet la mise en place de la corde. Dans la position fermée du deuxième flasque 27, la corde 3 est enroulée sur le galet 26, et est emprisonnée dans l'intervalle transversal ménagé entre les flasques 24 et 27.A second movable flange 27 is tiltably mounted on the end of the first axis 25 between a closed position and an open position. The open position of the second flange 27 allows the establishment of the rope. In the closed position of the second flange 27, the rope 3 is wound on the roller 26, and is trapped in the transverse gap formed between the flanges 24 and 27.

Le premier flasque 24 comporte un premier orifice 28 situé au-dessus du galet 26 rotatif. Le deuxième flasque 27 est doté d'un deuxième orifice 29, lequel vient en alignement avec le premier orifice 28 lorsque les deux flasques 24 et 27 sont positionnés en position fermée. Les deux orifices définissent en partie l'orifice 5b. Il est alors possible d'y introduire un connecteur amovible pour maintenir les flasques 24 et 27 dans cette position en empêchant tout basculement intempestif.The first flange 24 has a first orifice 28 situated above the rotary roller 26. The second flange 27 is provided with a second orifice 29, which comes into alignment with the first orifice 28 when the two flanges 24 and 27 are positioned in the closed position. The two orifices partially define the orifice 5b. It is then possible to introduce a removable connector to maintain the flanges 24 and 27 in this position by preventing inadvertent tilting.

Un troisième flasque 30 mobile est monté à basculement, avantageusement sur l'extrémité du premier axe 25 entre une position fermée et une position ouverte. Un deuxième galet 31 cylindrique est monté à rotation libre préférentiellement autour du premier axe 25, et est muni à sa périphérie d'une gorge annulaire pour le guidage de la corde. Le deuxième galet 31 sépare les flasque 24 et 30.A third movable flange 30 is tiltably mounted, preferably on the end of the first axis 25 between a closed position and an open position. A second cylindrical roller 31 is mounted preferably free to rotate about the first axis 25, and is provided at its periphery with an annular groove for guiding the rope. The second roller 31 separates the flanges 24 and 30.

Le troisième flasque 30 est doté d'un orifice 32, lequel vient en alignement avec le premier orifice 28 lorsque les deux flasques 24 et 30 sont positionnés en position fermée. Les trois orifices 28, 29 et 32 définissent l'orifice 5b. Il est alors possible d'y introduire un connecteur amovible pour maintenir les flasques 24, 27 et 30 dans cette position en empêchant tout basculement intempestif.The third flange 30 is provided with an orifice 32, which comes into alignment with the first orifice 28 when the two flanges 24 and 30 are positioned in the closed position. The three orifices 28, 29 and 32 define the orifice 5b. It is then possible to introduce a removable connector to maintain the flanges 24, 27 and 30 in this position by preventing inadvertent tilting.

Au-dessus du premier orifice 28, se trouve un plot 33 fixé au premier flasque 24, en occupant l'intervalle transversal entre les flasques 24 et 27. Avantageusement, le plot 33 est configuré pour occuper l'intervalle transversal entre les flasques 24 et 30. Dans cette configuration, chaque face du premier flasque 24 est équipée d'un plot.Above the first orifice 28, there is a stud 33 fixed to the first flange 24, occupying the transverse gap between the flanges 24 and 27. Advantageously, the stud 33 is configured to occupy the transverse gap between the flanges 24 and 30. In this configuration, each face of the first flange 24 is equipped with a stud.

Les deuxième et troisième flasques 27 et 30 sont avantageusement déformés dans la zone coopérant avant le plot 33 de manière à limiter la protubérance transversale formée par le plot 33 et diminuer l'encombrement du deuxième organe de fixation 1 b.The second and third flanges 27 and 30 are advantageously deformed in the zone cooperating before the stud 33 so as to limit the transverse protuberance formed by the stud 33 and reduce the bulk of the second fastener 1b.

Claims (8)

Dispositif de mouflage portatif comportant: - une première poulie (1a) destinée à être fixé à un point fixe et comportant un premier jeu d'au moins un réa (2a), - une deuxième poulie (1b) destinée à être fixé à une personne à secourir et comportant un deuxième jeu d'au moins un réa (2b), - une corde (3) fixée à l'une des deux poulie (1a/1b) et agencée pour relier le au moins un réa (2a) de la première poulie (1a) avec le au moins un réa (2b) de la deuxième poulie (1b) de sorte que la première poulie (1 a) se rapproche de la deuxième poulie (1 b) lors du tirage de la corde (3), - une enveloppe déformable (6) connectant la première poulie (1a) à la deuxième poulie (1b) et entourant le cheminement de la corde (3) entre les deux jeux de poulie (1 a, 1 b), une extrémité de la corde (3) sortant de l'enveloppe (6) pour autoriser le tirage de ladite extrémité. Portable hauling device comprising: a first pulley (1a) intended to be fixed at a fixed point and comprising a first set of at least one sheave (2a), a second pulley (1b) intended to be fixed to a person to be rescued and comprising a second set of at least one sheave (2b), - a rope (3) fixed to one of the two pulley (1a / 1b) and arranged to connect the at least one sheave (2a) of the first pulley (1a) with the at least one sheave (2b) of the second pulley (1b) so that the first pulley (1a) approaches the second pulley (1b) when pulling the rope (3), - a deformable envelope (6) connecting the first pulley (1a) to the second pulley (1b) and surrounding the path of the rope (3) between the two sets of pulley (1a, 1b), one end of the rope (3) exiting the envelope (6) to allow the drawing of said end. Dispositif selon la revendication 1, dans lequel l'enveloppe (6) comporte : - une première portion en contact avec la première poulie (1a), - une deuxième portion en contact avec la deuxième poulie (1 b) et une troisième portion séparant les première et deuxième portions,
et dans lequel les première et deuxième portions sont formées dans un premier matériau plus rigide que le deuxième matériau formant la troisième portion. Device according to claim 1, wherein the envelope (6) comprises: a first portion in contact with the first pulley (1a), a second portion in contact with the second pulley (1 b) and a third portion separating the first and second portions,
and wherein the first and second portions are formed of a first material which is stiffer than the second material forming the third portion. Dispositif selon la revendication 2, dans lequel la troisième portion de l'enveloppe (6) est formée par un matériau ajouré et préférentiellement par un filet.Device according to claim 2, wherein the third portion of the casing (6) is formed by a perforated material and preferably by a net. Dispositif selon la revendication 3, dans lequel la troisième portion de l'enveloppe est formée par un matériau textile.Device according to claim 3, wherein the third portion of the envelope is formed by a textile material. Dispositif selon l'une quelconque des revendications 2 à 4, dans lequel la première portion comporte un trou coopérant avec au moins un trou (5a) de la première poulie (1 a) pour l'insertion d'un premier connecteur amovible et dans lequel la deuxième portion comporte un trou coopérant avec au moins un trou (5b) de la deuxième poulie (1b) pour l'insertion d'un deuxième connecteur amovible.Device according to any one of claims 2 to 4, wherein the first portion comprises a hole cooperating with at least one hole (5a) of the first pulley (1 a) for insertion of a first removable connector and wherein the second portion comprises a hole cooperating with at least one hole (5b) of the second pulley (1b) for insertion of a second removable connector. Dispositif selon la revendication 5, comportant un premier connecteur amovible et dans lequel le trou de la première portion est agencé pour se déformer afin d'autoriser le passage du premier connecteur dans le au moins un trou (5a) de la première poulie (1 a).Device according to claim 5, comprising a first removable connector and wherein the hole of the first portion is arranged to deform to allow the passage of the first connector in the at least one hole (5a) of the first pulley (1 a ). Dispositif selon la revendication 6, comportant un deuxième connecteur amovible et dans lequel le trou de la deuxième portion est agencé pour se déformer afin d'autoriser le passage du deuxième connecteur dans le au moins un trou (5b) de la deuxième poulie (1 a).Device according to claim 6, comprising a second removable connector and wherein the hole of the second portion is arranged to deform to allow the passage of the second connector in the at least one hole (5b) of the second pulley (1 a ). Dispositif selon l'une quelconque des revendications 1 à 7, dans lequel au moins une des poulies (1 a, 1 b) comporte un dispositif autobloquant (4) configuré pour autoriser le déplacement de la corde (3) entrainant le rapprochement des deux poulies (1 a, 1 b).Device according to any one of claims 1 to 7, wherein at least one of the pulleys (1a, 1b) comprises a self-locking device (4) configured to allow movement of the rope (3) causing the bringing together of the two pulleys (1 a, 1 b).
EP14199518.3A 2013-12-27 2014-12-19 Improved hoisting device Active EP2889252B1 (en)

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FR1303095A FR3015963B1 (en) 2013-12-27 2013-12-27 IMPROVED MOLDING DEVICE

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CN (1) CN104740848B (en)
FR (1) FR3015963B1 (en)
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Also Published As

Publication number Publication date
US9617128B2 (en) 2017-04-11
FR3015963A1 (en) 2015-07-03
CN104740848A (en) 2015-07-01
CN104740848B (en) 2018-11-30
EP2889252B1 (en) 2016-10-26
TWI652422B (en) 2019-03-01
US20150183624A1 (en) 2015-07-02
TW201533354A (en) 2015-09-01
FR3015963B1 (en) 2016-01-22

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