EP3006089B1 - Roping harness - Google Patents

Roping harness Download PDF

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Publication number
EP3006089B1
EP3006089B1 EP15185958.4A EP15185958A EP3006089B1 EP 3006089 B1 EP3006089 B1 EP 3006089B1 EP 15185958 A EP15185958 A EP 15185958A EP 3006089 B1 EP3006089 B1 EP 3006089B1
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EP
European Patent Office
Prior art keywords
support strip
belt
resistance
roping harness
harness
Prior art date
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EP15185958.4A
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German (de)
French (fr)
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EP3006089A1 (en
Inventor
Loïc BLONDEAU
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Zedel SAS
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Zedel SAS
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Publication date
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Publication of EP3006089A1 publication Critical patent/EP3006089A1/en
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Classifications

    • 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
    • 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
    • A62B35/0006—Harnesses; Accessories therefor
    • A62B35/0012—Sit harnesses
    • 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
    • A62B35/0006—Harnesses; Accessories therefor
    • A62B35/0025—Details and accessories
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • 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
    • A63B29/028—Ropes specially adapted for mountaineering

Definitions

  • the invention relates to a tie-in harness belt and to a tie-in harness comprising such a belt and a pair of leg loops.
  • tie-in harnesses ensure the safety of people.
  • a tie-in harness comprises a belt and a pair of leg loops.
  • the belt and the leg loop can be thicker or thinner to ensure user comfort.
  • a harness intended for work at heights must be particularly comfortable to allow prolonged use. In climbing, the harness must also be so as not to injure the climber who falls in a lead route.
  • the harness In the field of mountaineering and ski touring, the harness is mainly intended for tying in a rope.
  • the thickness of the belt and the thigh loop can be thinner because they are rarely put under tension. This results in a gain in weight and compactness appreciated by athletes, but to the detriment of their comfort.
  • WO 2011/107676 of the applicant discloses a harness which comprises a single resistance wire presented in the form of a loop which is itself folded to form a bundle of loops.
  • the different loops are separated from each other by means of separators fixed to a support strip.
  • the multiple buckles are connected to the belt adjustment means to ensure the mechanical holding of the belt.
  • the document US 2007/209869 describes a seat harness having a textile strap comprising a non-woven part provided only with warp threads, but without weft thread.
  • the warp threads in the nonwoven part are deployed over a greater width than that occupied by the woven part.
  • the warp threads are sewn onto a backing strip.
  • a tie-in harness 1 such as that shown schematically in figure 1 comprises a belt 2 provided with a waistline 2b associated with an adjustment device 2a.
  • the harness 1 also has a pair of leg loops 3, each leg loop 3 being connected to the dorsal part of the belt 2 advantageously by two elastic straps 4, and to the ventral part by a bridge 5 via a central ring 6.
  • the adjustment device 2a is fixed in first and second positions A and B on a support strip 7 of the waistline 2b.
  • the adjustment device 2a is configured in such a way as to adjust the circumference of the waistline so as to allow adjustment of the size of the belt 2 to the build of the user.
  • the adjustment device 2a may comprise a strap which provides mechanical strength in the event of a fall.
  • the support strip 7 has no mechanical tensile strength. It is unable to support the weight of the user.
  • the support strip 7 can be made of a flexible material 7 such as polypropylene. According to one embodiment, the support strip 7 can be perforated in order to improve its flexibility and its compactness and its breathability, and to reduce the weight of the harness 1. It can for example be made in the form of a grid.
  • the support strip 7 has a thickness less than or equal to 1.5 mm and even more preferably less than or equal to 1 mm. It may be narrowed at the longitudinal ends and widened at the level of the iliac crests (cf. figure 2a ) to be more comfortable.
  • the mechanical resistance of the belt is not only conferred by the adjustment device 2a, but also by resistance wires 8 fixed to the adjustment device 2a in third and fourth positions C and D.
  • the first and third positions A and C on the one hand, and second and fourth positions B and D on the other hand are melted.
  • resistance wires 8 are advantageously sewn in juxtaposed fashion on the adjustment device 2a.
  • the seam has a small thickness in comparison with a seam where the threads are stacked.
  • the area taken up by the seam on the adjuster 2a is also smaller when resistance threads 8 are used instead of straps.
  • the resistance threads 8 provide mechanical strength in the back part of the waistline 2b.
  • the resistance wires 8 can for example be made of polyethylene having at least 100,000 monomers per molecule, and having a molar mass approximately equal to 3.10 6 g/mol. This type of material is known to have very high tenacity and resistance to abrasion and to ensure the safety of the user in the event of a fall, that is to say when the resistance wires 8 are put on. suddenly in traction.
  • the support band 7 placed between the resistance wires 8 and the user prevents the latter from being injured. Indeed, the user could be cut or burned by the sudden traction of the resistance wires 8. Thanks to the support strip, the pressure of the wires is distributed over the entire surface of the support strip 7, which limits strong feeling of discomfort.
  • the resistance wires 8 can be placed between the user and the support band 7, but this embodiment is less comfortable.
  • the belt 2 advantageously comprises at least three resistance threads 8.
  • the number of resistance threads is higher, the forces exerted on the user in the event of dynamic use are lower. It may therefore be judicious to make a belt 2 which comprises four or five resistance wires 8, or even seven or more.
  • the fact of making a tie-in harness 1 with at least five wires rather than three increases very little the volume of the harness 1, and makes it possible to better distribute the forces exerted on the resistance wires 8 in the event of a fall. Resistance to higher intensity forces is also improved. This can, for example, be useful for belaying heavy people.
  • the harness is thinner compared to the harnesses of the prior art, in order to reduce its weight and bulk, the resistance wires are poorly protected. Consequently, the use of several wires also makes it possible to guarantee the reliability of the harness in the event of a manufacturing defect in one of the wires, or in the event of weakening of one of the wires during an impact.
  • At least one of the resistance threads 8 is longer than the shortest distance separating the third and fourth positions, that is to say the points where the resistance threads 8 are sewn on the adjuster 2a.
  • axis passing through the third and fourth positions is considered hereafter as the longitudinal axis of the belt 2.
  • resistance wires 8 are longer than the distance between the third and fourth positions.
  • the resistance wires 8 can be secured spaced apart from each other on the support strip 7 in a direction orthogonal to the longitudinal axis. The force is distributed over a larger surface of the support strip 7, which limits the discomfort in the event of a fall or more generally when the belt is tensioned.
  • the support strip 7 deforms slightly to match the shape of the user's pelvis, which puts the resistance wires 8 under tension.
  • the resistance wires 8 are held on the support strip 7 in a spaced apart manner in the orthogonal direction even when they are put under tension. While keeping a constant spacing in the orthogonal direction, the resistance wires 8 can slide longitudinally if they are put under tension.
  • retaining wires 9, such as those shown in figure 2b are stitched into the support strip 7 in such a way that each stitch point is made close to a resistance wire 8 in order to limit their movement in the orthogonal direction.
  • a single retaining wire 9 can be used to secure several resistance wires 8 simultaneously to the support strip 7.
  • a holding thread 9a can be sewn in a zig-zag so as to hold several resistance threads 8 at the same time. It is also possible to hold the wires of resistance 8 independently of each other by stitching a holding wire 9b in a zig-zag pattern on either side of each resistance wire 8.
  • the resistance threads 8 can also be stitched on the support strip 7 by means of the retaining threads 9c. The stitches are then made directly on the resistance wires 8, so that the latter is fixed in relation to the support strip 7.
  • the resistance wires 8 can also be held apart on the support strip 7 using holding wires 9d stitched in a direction secant to the longitudinal axis, and preferably in the orthogonal direction. These stitches can be made alone or in addition to the stitches made in zig-zag.
  • At least one reinforcement grid can be arranged between the support strip 7 and the resistance wires 8.
  • the purpose of this reinforcement grid is to improve the rigidity of the support strip 7 while maintaining a very light harness. Since the iliac crests correspond to the most exposed areas in the event of tensioning of the harness 1, it may be advantageous to position a reinforcement grid at the level of each iliac crest to prevent the deformation of the harness 1 and therefore avoid the discomfort of the 'user.
  • the reinforcement grid being more rigid, it is advantageously located on the iliac crests to facilitate folding of the harness.
  • the pair of leg loops 3 can also be made using two independent flexible support bands 10 and connected to each other by at least three resistance wires 11 (cf. picture 3 ), the resistance wires 11 forming the bridge 5.
  • the pair of turns thigh 3 can contain four or five resistance wires 11, or even more, for example to improve the resistance of the harness 1 if the user has a large build.
  • Each leg circumference 3a and 3b is formed on the one hand by a seam of the ends 11a of the resistance wires 11 on a part 11b of the wires 11 located at the edge of the bridge 5, at the level of the junction between the bridge 5 and the bands support 10, and on the other hand by sewing the ends of each support strip 10 to one another.
  • the mechanical resistance of the thigh loops 3a and 3b is ensured by the resistance wires 11.
  • the resistance wires 11 advantageously have different lengths so as to be kept apart from each other with respect to a direction orthogonal to the longitudinal axis of the strips of resistance. support 10, the resistance wire 11 having a minimum length corresponding to that positioned on the longitudinal axis of the support strips 10.
  • the resistance wires 11 can be secured to the support strips 10 in the same way as on the belt 2 while being able to slide along the longitudinal axis of the leg loops.
  • Holding wires can be used to limit the movement of the resistance wires 11 in a direction orthogonal to the longitudinal axis of the thigh loops. Secant seams at the longitudinal axis of the thigh loops or zig-zag seams can for example be made.
  • the user's discomfort is then advantageously limited when tensioning the resistance wires 11, for example when the latter sits in the harness 1.
  • the mechanical properties of the support strips 10 and the resistance wires 11 are preferably identical to those of the support strip 7 and the resistance wires 8.
  • the materials chosen to manufacture the belt 2 and the pair of leg loops 3 are preferably also identical.
  • adjustable leg loops each comprising an adjustment device similar to that described in relation to the belt 2 of the harness 1 .
  • a light, compact, solid and comfortable tie-in harness 1 is thus obtained, which can be used both in the context of use in mountaineering or ski touring where lightness and compactness are essential, and in the framework for use in climbing, where comfort is the most important criterion.

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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)
  • Public Health (AREA)
  • Emergency Lowering Means (AREA)
  • Insulated Conductors (AREA)

Description

Domaine technique de l'inventionTechnical field of the invention

L'invention est relative à une ceinture de harnais d'encordement et à un harnais d'encordement comprenant une telle ceinture et une paire de tours de cuisse.The invention relates to a tie-in harness belt and to a tie-in harness comprising such a belt and a pair of leg loops.

État de la techniqueState of the art

Dans le domaine de l'escalade, de l'alpinisme, du ski de randonnée, ou pour réaliser des travaux en hauteur, les harnais d'encordement permettent d'assurer la sécurité des personnes.In the field of climbing, mountaineering, ski touring, or for carrying out work at height, tie-in harnesses ensure the safety of people.

De manière classique, un harnais d'encordement comporte une ceinture et une paire de tours de cuisse. Selon le type d'utilisation, la ceinture et le tour de cuisse peuvent être plus ou moins épais afin d'assurer le confort de l'utilisateur. Par exemple, un harnais destiné à des travaux en hauteurs doit être particulièrement confortable pour permettre une utilisation prolongée. En escalade, le harnais doit l'être également pour ne pas blesser le grimpeur qui chute dans une voie en tête.Conventionally, a tie-in harness comprises a belt and a pair of leg loops. Depending on the type of use, the belt and the leg loop can be thicker or thinner to ensure user comfort. For example, a harness intended for work at heights must be particularly comfortable to allow prolonged use. In climbing, the harness must also be so as not to injure the climber who falls in a lead route.

Dans le domaine de l'alpinisme et du ski de randonnée, le baudrier est principalement destiné à l'encordement d'une cordée. L'épaisseur de la ceinture et du tour de cuisse peut être plus fine car ces derniers sont rarement mis en tension. Il en résulte un gain de poids et de compacité appréciés des sportifs, mais au détriment de leur confort.In the field of mountaineering and ski touring, the harness is mainly intended for tying in a rope. The thickness of the belt and the thigh loop can be thinner because they are rarely put under tension. This results in a gain in weight and compactness appreciated by athletes, but to the detriment of their comfort.

Afin de garantir de bonnes conditions d'utilisation quelle que soit la discipline pratiquée, il est important de réaliser un compromis entre le confort de l'utilisateur, le poids du harnais d'encordement et sa compacité. De cette façon, le harnais est polyvalent et l'utilisateur n'a pas besoin de multiplier son matériel.In order to guarantee good conditions of use whatever the discipline practised, it is important to achieve a compromise between the comfort of the user, the weight of the tie-in harness and its compactness. In this way, the harness is versatile and the user does not need to multiply his equipment.

Le document WO 2011/107676 de la demanderesse divulgue un harnais qui comporte un seul fil de résistance présenté sous la forme d'une boucle elle-même pliée pour former un faisceau de boucles. Les différentes boucles sont dissociées les unes des autres au moyen de séparateurs fixés sur une bande de support. Les multiples boucles sont connectées au moyen de réglage de la ceinture pour assurer la tenue mécanique de la ceinture.The document WO 2011/107676 of the applicant discloses a harness which comprises a single resistance wire presented in the form of a loop which is itself folded to form a bundle of loops. The different loops are separated from each other by means of separators fixed to a support strip. The multiple buckles are connected to the belt adjustment means to ensure the mechanical holding of the belt.

Le document US 2007/209869 décrit un harnais cuissard ayant une sangle textile comprenant une partie non tissée dotée uniquement de fils de chaîne, mais sans fil de trame. Les fils de chaîne dans la partie non tissée sont déployés sur une largeur plus grande que celle occupée par la partie tissée. Les fils de chaîne sont cousu sur une bande de support.The document US 2007/209869 describes a seat harness having a textile strap comprising a non-woven part provided only with warp threads, but without weft thread. The warp threads in the nonwoven part are deployed over a greater width than that occupied by the woven part. The warp threads are sewn onto a backing strip.

Les documents DE102012000182 et EP2383018 décrivent un paire de tour de cuisse de harnais d'encordement comprenant deux bandes de support souple, des moyens de résistance fixés aux extrémités longitudinales des deux bandes de support et destinés à connecter les deux bandes de support.The documents DE102012000182 and EP2383018 describe a pair of tie-in harness leg loops comprising two flexible support strips, resistance means attached to the longitudinal ends of the two support strips and intended to connect the two support strips.

Objet de l'inventionObject of the invention

L'objet de l'invention est exposée dans le jeu de revendications joint.The object of the invention is set out in the attached set of claims.

Description sommaire des dessinsBrief description of the drawings

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

  • la figure 1 représente une vue schématique d'un harnais d'encordement,
  • la figure 2a illustre de façon schématique une ceinture de harnais d'encordement selon un mode de réalisation de l'invention,
  • la figure 2b présente un détail de réalisation du harnais d'encordement selon le mode de réalisation illustré à la figure 2a,
  • la figure 3 illustre schématiquement un mode de réalisation de la paire de tours de cuisse.
Other advantages and characteristics will emerge more clearly from the following description of particular embodiments of the invention given by way of non-limiting examples and represented in the appended drawings, in which:
  • the figure 1 represents a schematic view of a tie-in harness,
  • the figure 2a schematically illustrates a tie-in harness belt according to one embodiment of the invention,
  • the figure 2b presents a detail of the tie-in harness according to the embodiment illustrated in figure 2a ,
  • the picture 3 schematically illustrates one embodiment of the pair of leg loops.

Description détailléedetailed description

Un harnais d'encordement 1 tel que celui représenté schématiquement à la figure 1 comporte une ceinture 2 dotée d'un tour de taille 2b associé à un dispositif de réglage 2a. Le harnais 1 possède également une paire de tours de cuisse 3, chaque tour de cuisse 3 étant relié à la partie dorsale de la ceinture 2 avantageusement par deux sangles élastiques 4, et à la partie ventrale par un pontet 5 via un anneau central 6.A tie-in harness 1 such as that shown schematically in figure 1 comprises a belt 2 provided with a waistline 2b associated with an adjustment device 2a. The harness 1 also has a pair of leg loops 3, each leg loop 3 being connected to the dorsal part of the belt 2 advantageously by two elastic straps 4, and to the ventral part by a bridge 5 via a central ring 6.

Comme représenté à la figure 2a, le dispositif de réglage 2a est fixé en des première et deuxième positions A et B sur une bande de support 7 du tour de taille 2b. Le dispositif de réglage 2a est configuré de manière à régler la circonférence du tour de taille de sorte à permettre un ajustement de la taille de la ceinture 2 à la corpulence de l'utilisateur. A titre d'exemple, le dispositif de réglage 2a peut comporter une sangle qui assure la tenue mécanique en cas de chute.As depicted at figure 2a , the adjustment device 2a is fixed in first and second positions A and B on a support strip 7 of the waistline 2b. The adjustment device 2a is configured in such a way as to adjust the circumference of the waistline so as to allow adjustment of the size of the belt 2 to the build of the user. By way of example, the adjustment device 2a may comprise a strap which provides mechanical strength in the event of a fall.

L'un des rôles de la bande de support 7 est d'assurer le confort de l'utilisateur en supportant au moins sa partie dorsale. La bande de support 7 ne possède pas de résistance mécanique en traction. Elle est incapable de supporter le poids de l'utilisateur.One of the roles of the support strip 7 is to ensure the comfort of the user by supporting at least his dorsal part. The support strip 7 has no mechanical tensile strength. It is unable to support the weight of the user.

La bande de support 7 peut être réalisée dans un matériau souple 7 tel que du polypropylène. Selon un mode de réalisation, la bande de support 7 peut être ajourée afin d'améliorer sa souplesse et sa compacité et sa respirabilité, et de diminuer le poids du harnais 1. Elle peut par exemple être réalisée sous forme de grille.The support strip 7 can be made of a flexible material 7 such as polypropylene. According to one embodiment, the support strip 7 can be perforated in order to improve its flexibility and its compactness and its breathability, and to reduce the weight of the harness 1. It can for example be made in the form of a grid.

De manière avantageuse, la bande de support 7 a une épaisseur inférieure ou égale à 1,5 mm et encore plus préférentiellement inférieure ou égale 1 mm. Elle peut être rétrécie aux extrémités longitudinales et élargies au niveau des crêtes iliaques (cf. figure 2a) pour être plus confortable.Advantageously, the support strip 7 has a thickness less than or equal to 1.5 mm and even more preferably less than or equal to 1 mm. It may be narrowed at the longitudinal ends and widened at the level of the iliac crests (cf. figure 2a ) to be more comfortable.

La résistance mécanique de la ceinture est non seulement conférée par le dispositif de réglage 2a, mais aussi par des fils de résistance 8 fixés sur le dispositif de réglage 2a en des troisième et quatrième positions C et D. Selon un mode de réalisation particulier, les première et troisième positions A et C d'une part, et les deuxième et quatrième positions B et D d'autre part sont fondues.The mechanical resistance of the belt is not only conferred by the adjustment device 2a, but also by resistance wires 8 fixed to the adjustment device 2a in third and fourth positions C and D. According to a particular embodiment, the first and third positions A and C on the one hand, and second and fourth positions B and D on the other hand are melted.

Afin d'améliorer la compacité et la souplesse du harnais, il est en effet judicieux d'utiliser des fils de résistance 8 plutôt que des sangles. Les fils de résistance 8 sont avantageusement cousus de manière juxtaposée sur le dispositif de réglage 2a. De cette façon, la couture a une faible épaisseur en comparaison avec une couture où les fils sont empilés. La surface occupée par la couture sur le dispositif de réglage 2a est également plus faible lorsque des fils de résistance 8 sont utilisés à la place de sangles.In order to improve the compactness and flexibility of the harness, it is in fact wise to use resistance wires 8 rather than straps. The resistance threads 8 are advantageously sewn in juxtaposed fashion on the adjustment device 2a. In this way, the seam has a small thickness in comparison with a seam where the threads are stacked. The area taken up by the seam on the adjuster 2a is also smaller when resistance threads 8 are used instead of straps.

Les fils de résistance 8 assurent la tenue mécanique dans la partie dorsale du tour de taille 2b. Les fils de résistance 8 peuvent par exemple être réalisés en polyéthylène ayant au moins 100000 monomères par molécule, et ayant une masse molaire environ égale à 3.106 g/mol. Ce type de matériau est connu pour avoir une ténacité et une résistance à l'abrasion très élevée et permettre d'assurer la sécurité de l'utilisateur en cas de chute, c'est-à-dire lorsque les fils de résistance 8 sont mis soudainement en traction.The resistance threads 8 provide mechanical strength in the back part of the waistline 2b. The resistance wires 8 can for example be made of polyethylene having at least 100,000 monomers per molecule, and having a molar mass approximately equal to 3.10 6 g/mol. This type of material is known to have very high tenacity and resistance to abrasion and to ensure the safety of the user in the event of a fall, that is to say when the resistance wires 8 are put on. suddenly in traction.

En cas de choc, la bande de support 7 placée entre les fils de résistance 8 et l'utilisateur évite à ce dernier d'être blessé. En effet, l'utilisateur pourrait être coupé ou brulé par la brusque mise en traction des fils de résistance 8. Grâce à la bande de support, la pression des fils est répartie sur toute la surface de la bande de support 7, ce qui limite fortement la sensation d'inconfort.In the event of impact, the support band 7 placed between the resistance wires 8 and the user prevents the latter from being injured. Indeed, the user could be cut or burned by the sudden traction of the resistance wires 8. Thanks to the support strip, the pressure of the wires is distributed over the entire surface of the support strip 7, which limits strong feeling of discomfort.

En variante, les fils de résistance 8 peuvent être placés entre l'utilisateur et la bande de support 7, mais ce mode de réalisation est moins confortable.Alternatively, the resistance wires 8 can be placed between the user and the support band 7, but this embodiment is less comfortable.

Selon l'invention, la ceinture 2 comporte avantageusement au moins trois fils de résistance 8. Toutefois, lorsque le nombre de fils de résistance est plus élevé, les forces exercées sur l'utilisateur en cas d'utilisation dynamique sont plus faibles. Il peut donc être judicieux de réaliser une ceinture 2 qui comporte quatre ou cinq fils de résistance 8, voire même sept ou plus. Le fait de réaliser un harnais d'encordement 1 avec au moins cinq fils plutôt que trois augmente très peu le volume du harnais 1, et permet de mieux répartir les forces exercées sur les fils de résistance 8 en cas de chute. La résistance à des forces de plus grande intensité est également améliorée. Cela peut par exemple être utile pour l'assurage de personnes corpulentes.According to the invention, the belt 2 advantageously comprises at least three resistance threads 8. However, when the number of resistance threads is higher, the forces exerted on the user in the event of dynamic use are lower. It may therefore be judicious to make a belt 2 which comprises four or five resistance wires 8, or even seven or more. The fact of making a tie-in harness 1 with at least five wires rather than three increases very little the volume of the harness 1, and makes it possible to better distribute the forces exerted on the resistance wires 8 in the event of a fall. Resistance to higher intensity forces is also improved. This can, for example, be useful for belaying heavy people.

Etant donné que le harnais est aminci par rapport aux harnais de l'art antérieur, afin d'en réduire le poids et l'encombrement, les fils de résistances sont peu protégés. Par conséquent, l'utilisation de plusieurs fils permet également de garantir la fiabilité du harnais en cas de défaut de fabrication de l'un des fils, ou en cas de fragilisation de l'un des fils lors d'un choc.Given that the harness is thinner compared to the harnesses of the prior art, in order to reduce its weight and bulk, the resistance wires are poorly protected. Consequently, the use of several wires also makes it possible to guarantee the reliability of the harness in the event of a manufacturing defect in one of the wires, or in the event of weakening of one of the wires during an impact.

L'un au moins des fils de résistance 8 est plus long que la distance la plus courte séparant les troisième et quatrième positions, c'est-à-dire les points où les fils de résistance 8 sont cousus sur le dispositif de réglage 2a. L'axe passant par les troisième et quatrième positions est considéré ci-après comme l'axe longitudinal de la ceinture 2.At least one of the resistance threads 8 is longer than the shortest distance separating the third and fourth positions, that is to say the points where the resistance threads 8 are sewn on the adjuster 2a. axis passing through the third and fourth positions is considered hereafter as the longitudinal axis of the belt 2.

Préférentiellement, plusieurs fils de résistance 8 sont plus longs que la distance entre les troisième et quatrième positions. De cette façon, les fils de résistance 8 peuvent être solidarisés de manière écartée les uns des autres sur la bande de support 7 selon une direction orthogonale à l'axe longitudinal. L'effort est réparti sur une surface plus importante de la bande de support 7, ce qui limite l'inconfort en cas de chute ou plus généralement lorsque la ceinture est mise en tension.Preferably, several resistance wires 8 are longer than the distance between the third and fourth positions. In this way, the resistance wires 8 can be secured spaced apart from each other on the support strip 7 in a direction orthogonal to the longitudinal axis. The force is distributed over a larger surface of the support strip 7, which limits the discomfort in the event of a fall or more generally when the belt is tensioned.

Lors de la mise en tension, la bande de support 7 se déforme légèrement pour épouser la forme du bassin de l'utilisateur, ce qui vient mettre les fils de résistance 8 en tension.When tensioning, the support strip 7 deforms slightly to match the shape of the user's pelvis, which puts the resistance wires 8 under tension.

Selon un mode de réalisation avantageux, les fils de résistance 8 sont maintenus sur la bande de support 7 de manière espacée suivant la direction orthogonale même lorsqu'ils sont mis sous tension. Tout en gardant un espacement constant suivant la direction orthogonale, les fils de résistance 8 peuvent coulisser longitudinalement s'ils sont mis en tension.According to an advantageous embodiment, the resistance wires 8 are held on the support strip 7 in a spaced apart manner in the orthogonal direction even when they are put under tension. While keeping a constant spacing in the orthogonal direction, the resistance wires 8 can slide longitudinally if they are put under tension.

Un moyen d'y parvenir est d'utiliser des fils de maintien 9, tels que ceux représentés à la figure 2b. Ceux-ci sont piqués dans la bande de support 7 de telle sorte que chaque point de piqure soit réalisé à proximité d'un fils de résistance 8 afin de limiter leur déplacement suivant la direction orthogonale. Un seul fil de maintien 9 peut être utilisé pour solidariser plusieurs fils de résistance 8 simultanément à la bande de support 7.One way to achieve this is to use retaining wires 9, such as those shown in figure 2b . These are stitched into the support strip 7 in such a way that each stitch point is made close to a resistance wire 8 in order to limit their movement in the orthogonal direction. A single retaining wire 9 can be used to secure several resistance wires 8 simultaneously to the support strip 7.

Selon un premier mode de réalisation représenté à la figure 2b, un fil de maintien 9a peut être cousu en zig-zag de sorte à maintenir plusieurs fils de résistance 8 en même temps. Il est également possible de maintenir les fils de résistance 8 indépendamment les uns des autres en piquant un fil de maintien 9b en zig-zag de part et d'autre de chaque fil de résistance 8.According to a first embodiment shown in figure 2b , a holding thread 9a can be sewn in a zig-zag so as to hold several resistance threads 8 at the same time. It is also possible to hold the wires of resistance 8 independently of each other by stitching a holding wire 9b in a zig-zag pattern on either side of each resistance wire 8.

Selon un mode de réalisation alternatif, les fils de résistance 8 peuvent également être cousus de manière ponctuelle sur la bande de support 7 au moyen des fils de maintien 9c. Les points de piqures sont alors réalisés directement sur les fils de résistance 8, de sorte que ce dernier soit fixe par rapport à la bande de support 7.According to an alternative embodiment, the resistance threads 8 can also be stitched on the support strip 7 by means of the retaining threads 9c. The stitches are then made directly on the resistance wires 8, so that the latter is fixed in relation to the support strip 7.

Les fils de résistance 8 peuvent également être maintenus de manière écartée sur la bande de support 7 à l'aide de fils de maintien 9d piqués selon une direction sécante à l'axe longitudinale, et préférentiellement selon la direction orthogonale. Ces piqures peuvent être réalisées seules ou en plus des piqures réalisées en zig-zag.The resistance wires 8 can also be held apart on the support strip 7 using holding wires 9d stitched in a direction secant to the longitudinal axis, and preferably in the orthogonal direction. These stitches can be made alone or in addition to the stitches made in zig-zag.

Selon un mode de réalisation particulier de l'invention, au moins une grille de renfort peut être disposée entre la bande de support 7 et les fils de résistance 8. Cette grille de renfort a pour but d'améliorer la rigidité de la bande de support 7 tout en conservant un harnais très léger. Les crêtes iliaques correspondant aux zones les plus exposées en cas de mise en tension du harnais 1, il peut être avantageux de positionner une grille de renfort au niveau de chaque crête iliaque pour empêcher la déformation du harnais 1 et donc éviter l'inconfort de l'utilisateur.According to a particular embodiment of the invention, at least one reinforcement grid can be arranged between the support strip 7 and the resistance wires 8. The purpose of this reinforcement grid is to improve the rigidity of the support strip 7 while maintaining a very light harness. Since the iliac crests correspond to the most exposed areas in the event of tensioning of the harness 1, it may be advantageous to position a reinforcement grid at the level of each iliac crest to prevent the deformation of the harness 1 and therefore avoid the discomfort of the 'user.

La grille de renfort étant plus rigide, elle est avantageusement localisée sur les crêtes iliaques pour faciliter le pliage du harnais.The reinforcement grid being more rigid, it is advantageously located on the iliac crests to facilitate folding of the harness.

La paire de tours de cuisse 3 peut également être réalisée à l'aide de deux bandes de support souple 10 indépendantes et connectées l'une à l'autre par au moins trois fils de résistance 11 (cf. figure 3), les fils de résistance 11 formant le pontet 5. Selon un mode de réalisation alternatif, la paire de tours de cuisse 3 peut contenir quatre ou cinq fils de résistance 11, voire plus, par exemple pour améliorer la résistance du harnais 1 si l'utilisateur a une corpulence importante.The pair of leg loops 3 can also be made using two independent flexible support bands 10 and connected to each other by at least three resistance wires 11 (cf. picture 3 ), the resistance wires 11 forming the bridge 5. According to an alternative embodiment, the pair of turns thigh 3 can contain four or five resistance wires 11, or even more, for example to improve the resistance of the harness 1 if the user has a large build.

Chaque tour de cuisse 3a et 3b est formé d'une part par une couture des extrémités 11a des fils de résistance 11 sur une partie 11b des fils 11 située au bord du pontet 5, au niveau de la jonction entre le pontet 5 et les bandes de support 10, et d'autre part par la couture des extrémités de chaque bande de support 10 l'une sur l'autre. Comme pour la ceinture 2, la résistance mécanique des tours de cuisse 3a et 3b est assurée par les fils de résistance 11.Each leg circumference 3a and 3b is formed on the one hand by a seam of the ends 11a of the resistance wires 11 on a part 11b of the wires 11 located at the edge of the bridge 5, at the level of the junction between the bridge 5 and the bands support 10, and on the other hand by sewing the ends of each support strip 10 to one another. As for the belt 2, the mechanical resistance of the thigh loops 3a and 3b is ensured by the resistance wires 11.

Par ailleurs, de manière analogue aux caractéristiques développées en relation avec la ceinture 2, les fils de résistances 11 ont avantageusement des longueurs différentes de manière à être maintenus écartés les uns des autres par rapport à une direction orthogonale à l'axe longitudinal des bandes de support 10, le fil de résistance 11 ayant une longueur minimale correspondant à celui positionné sur l'axe longitudinal des bandes de support 10. Les fils de résistance 11 peuvent être solidarisés aux bandes de support 10 de la même façon que sur la ceinture 2 tout en pouvant coulisser suivant l'axe longitudinal des tours de cuisse. Des fils de maintien peuvent être utilisés pour limiter le déplacement des fils de résistance 11 suivant une direction orthogonale à l'axe longitudinal des tours de cuisse. Des coutures sécantes à l'axe longitudinal des tours de cuisse ou des coutures en zig-zag peuvent par exemple être réalisées.Moreover, similarly to the characteristics developed in relation to the belt 2, the resistance wires 11 advantageously have different lengths so as to be kept apart from each other with respect to a direction orthogonal to the longitudinal axis of the strips of resistance. support 10, the resistance wire 11 having a minimum length corresponding to that positioned on the longitudinal axis of the support strips 10. The resistance wires 11 can be secured to the support strips 10 in the same way as on the belt 2 while being able to slide along the longitudinal axis of the leg loops. Holding wires can be used to limit the movement of the resistance wires 11 in a direction orthogonal to the longitudinal axis of the thigh loops. Secant seams at the longitudinal axis of the thigh loops or zig-zag seams can for example be made.

L'inconfort de l'utilisateur est alors avantageusement limité lors d'une mise en tension des fils de résistance 11, par exemple lorsque ce dernier s'assoit dans le harnais 1.The user's discomfort is then advantageously limited when tensioning the resistance wires 11, for example when the latter sits in the harness 1.

Les propriétés mécaniques des bandes de support 10 et des fils de résistances 11 sont de préférence identiques à celles de la bande de support 7 et des fils de résistances 8. Les matériaux choisis pour fabriquer la ceinture 2 et la paire de tours de cuisse 3 sont de préférence également identiques.The mechanical properties of the support strips 10 and the resistance wires 11 are preferably identical to those of the support strip 7 and the resistance wires 8. The materials chosen to manufacture the belt 2 and the pair of leg loops 3 are preferably also identical.

En alternative au mode de réalisation des tours de cuisse qui vient d'être décrit, il est tout à fait envisageable de réaliser des tours de cuisse réglables, comprenant chacun un dispositif de réglage analogue à celui décrit en relation avec la ceinture 2 du harnais 1.As an alternative to the embodiment of the leg loops which has just been described, it is entirely possible to produce adjustable leg loops, each comprising an adjustment device similar to that described in relation to the belt 2 of the harness 1 .

On obtient ainsi un harnais d'encordement 1 léger, compact, solide, et confortable, pouvant être employé à la fois dans le cadre d'une utilisation en alpinisme ou en ski de randonnée où la légèreté et la compacité sont primordiaux, et dans le cadre d'une utilisation en escalade, où le confort est le critère le plus important.A light, compact, solid and comfortable tie-in harness 1 is thus obtained, which can be used both in the context of use in mountaineering or ski touring where lightness and compactness are essential, and in the framework for use in climbing, where comfort is the most important criterion.

Claims (17)

  1. A belt (2) of a roping harness (1) comprising:
    • a flexible support strip (7) designed to support the dorsal part of the user's body,
    • an adjustment device (2a) of the circumference of the belt (2) having first and second ends fixed to the support strip (7) in first and second positions (A, B),
    characterized in that
    • at least three resistance threads (8) are each sewn onto the adjustment device (2a) in specific third and fourth positions (C, D),
    • at least one of the at least three resistance threads present a greater length than the distance separating its third and fourth positions (C, D) along the support strip (7),
    • at least one securing thread (9, 9a, 9b, 9c, 9d) is sewn on the support strip (7) so as to secure the at least three resistance threads (8) with the support strip (7) in a manner separated from one another in an orthogonal direction to a longitudinal axis of the support strip (7).
  2. The belt (2) of a roping harness (1) according to claim 1, wherein the at least one securing thread (9, 9a, 9b, 9c, 9d) is sewn on the support strip (7) so as to allow longitudinal sliding of the at least three resistance threads (8) with respect to the support strip (7).
  3. The belt (2) of a roping harness (1) according to one of claims 1 and 2, wherein at least one of the at least three resistance threads (8) is secured onto the support strip (7) by means of at least one securing thread (9) stitched into the support strip (7) on each side of the associated at least one resistance thread (8) to limit the lateral movement of the at least one resistance thread (8) with respect to the support strip (7).
  4. The belt (2) of a roping harness (1) according to claim 3, wherein one of the at least one of the resistance threads (8) is secured by a securing thread (9) stitched in zig-zag manner in the support strip (7), two consecutive stitches being made on each side of the at least one resistance thread (8).
  5. The belt (2) of a roping harness (1) according to any one of claims 3 or 4, wherein the at least one securing thread (9) is associated with several resistance threads (8) so as to secure several resistance threads (8) with the support strip (7).
  6. The belt (2) of a roping harness (1) according to any one of claims 1 to 5, wherein the at least three resistance threads (8) are kept secured on the support strip (7) by means of the at least one securing thread (9) stitched in the support strip (7) in a secant direction to the longitudinal axis of the support strip (7).
  7. The belt (2) of a roping harness (1) according to claim 1, wherein the at least three resistance threads (8) are fixed punctually onto the support strip (7).
  8. The belt (2) of a roping harness (1) according to claim 7, wherein the at least three resistance threads (8) are secured on the support strip (7) by means of a securing thread (9) stitched in the support strip (7) in an orthogonal direction to the longitudinal axis of the support strip (7).
  9. The belt (2) of a roping harness (1) according to any one of claims 1 to 8, wherein the at least three resistance threads (8) are made from polyethylene having at least 100000 monomers per molecule and having a molar mass approximately equal to 3.106 g/mol.
  10. The belt (2) of a roping harness (1) according to any one of claims 1 to 9, comprising at least one strengthening screen designed to protect the user's pelvis.
  11. The belt (2) of a roping harness (1) according to any one of claims 1 to 10, wherein the support strip (7) is a mesh screen.
  12. The belt (2) of a roping harness (1) according to any one of claims 1 to 11, wherein the support strip (7) is made from polypropylene.
  13. The belt (2) of a roping harness (1) according to any one of claims 1 to 12, wherein the support strip (7) is of reduced thickness at the ends.
  14. The belt (2) of a roping harness (1) according to any one of claims 1 to 13, wherein the support strip (7) has a thickness less than or equal to 1.5mm, preferably less than or equal to 1mm.
  15. The belt (2) of a roping harness (1) according to any one of claims 1 to 14, comprising at least five resistance threads (8).
  16. A pair of leg loops (3) of a roping harness (1) comprising:
    • two flexible support strips (10),
    • resistance means (11) fixed to the longitudinal ends of the two support strips (10) and designed to connect the two support strips (10), characterized in that
    • the resistance means (11) comprise at least three resistance threads (19), at least two of the at least three resistance threads (19) having two different lengths,
    • one securing thread (9, 9a, 9b, 9c, 9d) is sewn on the two support strips (7) so as to maintain in separated manner the at least three resistance threads (11) in an orthogonal direction to the longitudinal axes of the support strips (10).
  17. A roping harness (1) comprising a belt (2) according to one of claims 1 to 15, and/or a pair of leg loops (3) according to claim 16.
EP15185958.4A 2014-10-07 2015-09-18 Roping harness Active EP3006089B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1459578A FR3026649B1 (en) 2014-10-07 2014-10-07 CONNECTING HARNESS

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EP3006089B1 true EP3006089B1 (en) 2022-03-16

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FR (1) FR3026649B1 (en)

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Also Published As

Publication number Publication date
FR3026649A1 (en) 2016-04-08
FR3026649B1 (en) 2019-05-17
EP3006089A1 (en) 2016-04-13
US20160096043A1 (en) 2016-04-07
CN105477834A (en) 2016-04-13

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