EP1087098A1 - Safety device - Google Patents

Safety device Download PDF

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Publication number
EP1087098A1
EP1087098A1 EP00402635A EP00402635A EP1087098A1 EP 1087098 A1 EP1087098 A1 EP 1087098A1 EP 00402635 A EP00402635 A EP 00402635A EP 00402635 A EP00402635 A EP 00402635A EP 1087098 A1 EP1087098 A1 EP 1087098A1
Authority
EP
European Patent Office
Prior art keywords
ladder
stirrups
uprights
safety device
safety
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
EP00402635A
Other languages
German (de)
French (fr)
Other versions
EP1087098B1 (en
Inventor
Michel Goubaud
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dimos SAS
Original Assignee
Dimos SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from FR9911952A external-priority patent/FR2798958B1/en
Priority claimed from FR9911951A external-priority patent/FR2799805B1/en
Application filed by Dimos SAS filed Critical Dimos SAS
Priority to DK00402635T priority Critical patent/DK1087098T3/en
Publication of EP1087098A1 publication Critical patent/EP1087098A1/en
Application granted granted Critical
Publication of EP1087098B1 publication Critical patent/EP1087098B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/20—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
    • E06C1/36—Ladders suspendable by hooks or the like
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects

Definitions

  • the present invention relates to a security device to prevent slipping or overturning of a ladder resting on a vertical surface, such as a wall, by cooperation of arranged security organs respectively on the device and in the surface vertical as well as a ladder fitted with a device aforementioned type.
  • An object of the present invention is to provide a safety device whose design, despite its simplicity, ensures reliable maintenance of the ladder resting on a wall regardless of its tilt relative to the wall.
  • Another object of the present invention is to provide a safety device that can be easily positioned without tools on a standard scale.
  • the invention relates to a device for safety to prevent slipping or overturning a ladder resting on a vertical surface, such that a wall, by cooperation of security organs arranged respectively on the device and in the surface vertical, characterized in that the device, carrying the or the security organs, consists of at least one solidary crossbar, permanently or removable, to the said scale uprights by connecting the uprights of scale between them, this crosspiece carrying at least one security member consisting of a flap pivoting around said crosspiece, this pivoting flap comprising a opening, this opening being arranged to be housed behind the head of an anchor during the positioning of the ladder fitted with the device, this anchor being immobilized in the thickness of the vertical support surface of the ladder.
  • the invention also relates to a ladder of the type having a safety device to prevent sliding or overturning a ladder pressing a vertical surface, such as a wall, by cooperation security organs placed respectively on the device and in the vertical surface, characterized in that the device is of the type mentioned above.
  • the safety device object of the invention, is intended to prevent slipping or overturning of a ladder resting on a vertical surface 16, such as a wall, by cooperation of security organs 12, 13, 14 arranged respectively on the device and in the vertical surface 16.
  • This device consists of at least one cross 10 can be joined directly or indirectly, so permanent or removable, to the uprights 1 of the ladder connecting the uprights 1 of the ladder together.
  • This cross member 10 carries at least one safety device consisting a flap 12 mounted free to pivot about the axis of the cross member 10 forming a pivot.
  • This component 12 includes a opening 13.
  • This opening 13 is arranged to be housed behind the head 18 of an anchoring member 14 during the positioning of the ladder fitted with the device.
  • This anchor member 14, such as a rod, a bolt, a socket or the like is immobilized in the thickness of the vertical surface 16 of the ladder support.
  • the anchor member 14 comprises a grooved roller 15 intended to cooperate with the head 18 of said anchor member 14.
  • the opening 13 of the flap 12 which assumes the shape of an overturned open U, then climbs to horse in the throat at least partially surrounding the bottom of the groove 15 of the grooved roller.
  • this anchoring member 14 can be considered.
  • the cross member 10 can be secured to ladder posts via stirrups 3 axially immobilizable on the ladder uprights. These stirrups 3 are connected with variable spacing thanks to the fact that the cross 10 is formed of interlocking elements telescopic.
  • the cross member 10, which carries the security member (s) 12, 13, is fixed directly or through link arms to stirrups 3.
  • the cross 10 between stirrups 3 can be constituted simply two fixed tubes 10A, 10B fixed respectively to a stirrup 3, at least one of the tubes being provided with said safety device described above.
  • This example is more particularly represented in Figures 1 to 3.
  • the cross member 10 between stirrups 3 consists of a cross substantially U-shaped, the soul of the U being formed of elements 10'A, 10'B mounted to interlocking telescopic to allow variable spacing of branches 9 of the U. These branches 9 are housed at telescopic socket inside departures 11 from fixing integral with the stirrups 3 to allow a variable spacing between core of U and uprights 1 of the scale.
  • the soul of the U carries the organ (s) of security. This embodiment makes it possible to have the ladder with variable spacing from the vertical surface 16 to which it should be applied.
  • Departures 11 from fixing integral with the stirrups 3 are in this case consisting of simple sections of tube inside which are housed in telescopic interlocking branches 9 of the U-shaped cross member. branches 9 inside the outlets 11 for fixing east obtained for example by means of pins or pins simultaneously passing through the fixing feeders 11 and the branches 9.
  • the substantially U-shaped stirrups 3 are arranged to partially surround said uprights 1 of the scale. These stirrups 3 are preferably arranged on the scale so that the soul of the U is applied to them front or rear faces of the ladder uprights, such as show the figures while the branches of the U come opposite the faces of the uprights 1.
  • the cross member 10 generally rests on the core of the U of the stirrup and is joined to the latter.
  • stirrups 3 axially immobilizable on the uprights 1 of scale, are connected, in addition to variable spacing, to the by means of an axis 6 capable of being threaded through holes 4 crossing stirrups 3 to keep them at the state fitted on the uprights 1 of scale.
  • the axis 6 comprises at least one locking member 7, 8 ensuring its axial immobilization in the threaded state at through the stirrups 3.
  • the member 7, 8 for locking the axis 6 for holding the stirrups 3 is arranged to engage with a post 1 of scale.
  • This axis 6 locking member of holding the stirrups 3 affects for example the shape of a handle 7 terminated by a hook 8 arranged to come marry, under the effect of his own weight, an amount scale during rotation of axis 6.
  • Positioning in the vertical state of the scale automatically ensures this rotation of the axis 6 under the effect of the weight of the handle 7 provided with its hook 8. This guarantees perfect immobilization of axis 6, including in the case where the operator would have forgotten to lock axis 6 when mounting the stirrups 3 on the ladder.
  • the stirrups 3 are immobilized axially on the uprights 1.
  • This axial immobilization can be obtained through at least one notch 5 formed on a branch of the stirrup 3, like the shows figure 6.
  • This notch 5 is shaped complementary to a bar 2 of scale to be able marry him when positioning the stirrups 3 on the 1 ladder uprights. These notches 5 are therefore provided on the inner arms of the stirrups 3.
  • a variant shown in Figures 1 to 5 consists of axially immobilize the stirrups 3 on the uprights 1 of scale through the axis 6 of maintenance of stirrups 3 which, in the state threaded through the stirrups 3, simultaneously crosses a ladder bar 2. In that case, the installation of the stirrups on the ladder uprights is particularly easy.
  • one of the stirrups 3 comprises a member 17, such as a ring, for fixing of a lifeline.
  • the operating principle of the device described above is the next.
  • the stirrups 3 connected together, variable spacing, through the crosspiece 10 are positioned around the uprights 1 of the ladder.
  • the axis 6 for holding in the nested position of the stirrups 3 is positioned on the ladder and locked in position. All of these manipulations can be carried out on the ground while the ladder is in a horizontal position on the ground.
  • the lifeline is attached to the ring 17.
  • an anchoring member of the type of that shown in Figure 7, is installed in the surface on which the ladder is intended to come in support.
  • the ladder can be raised so that the flap 12 carrying the opening 13 is positioned above the member anchor 14.
  • the U-shaped opening 13 engages behind the head 18 of the anchoring member while the end opposite of the uprights 1 of the ladder rests on the ground. In this position, any separation from the scale of the surface on which it is supported is rendered impossible.
  • this device results on the one hand an assembly easy of the device on the uprights 1 of the ladder, other apart, an easy coupling of the worn safety device by the device with the safety device immobilized in the thickness of the vertical bearing surface of the ladder.
  • the safety device can also be installed in original equipment on the scales.
  • the crossbar which can be made up of one or more elements, is directly fixed permanently to the amounts of the scale.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Ladders (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Liquid Developers In Electrophotography (AREA)
  • Bipolar Transistors (AREA)
  • Emergency Lowering Means (AREA)
  • Ropes Or Cables (AREA)
  • Transplanting Machines (AREA)
  • Soil Working Implements (AREA)
  • Massaging Devices (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)

Abstract

The anchor consists of an elongated body (5) such as a rod, screw, bolt or dowel, fixed in a wall (1) or other support. On the outside of the wall it has a head (4) engaging with a recess (10) in a spacer bush (9) shaped to receive an inverted U-shaped coupling member (12) on the safety fitment. The spacer bush is made, for exmaple, in the shape of a rolelr with a peripheral groove to receive the coupling.

Description

La présente invention concerne un dispositif de sécurité pour empêcher le glissement ou le renversement d'une échelle en appui sur une surface verticale, telle qu'un mur, par coopération d'organes de sécurité disposés respectivement sur le dispositif et dans la surface verticale ainsi qu'une échelle équipée d'un dispositif du type précité.The present invention relates to a security device to prevent slipping or overturning of a ladder resting on a vertical surface, such as a wall, by cooperation of arranged security organs respectively on the device and in the surface vertical as well as a ladder fitted with a device aforementioned type.

Les échelles simples coulissantes ne disposent à ce jour d'aucun dispositif performant permettant de les maintenir de manière sûre en appui sur une surface verticale telle qu'un mur. Il en résulte un grand nombre d'accidents, en particulier lorsque ces échelles sont utilisés pour des travaux en toiture. En effet, jusqu'à ce jour, les solutions développées consistent soit à munir les montants de l'échelle de sabots antidérapants, soit à équiper l'échelle d'une jambe de stabilisation dont le bas est évasé, l'ensemble s'apparentant alors à un dispositif de type escabeau. Cette seconde solution nécessite de disposer d'une surface au sol importante.Simple sliding ladders do not have no effective device to maintain them securely resting on a vertical surface such than a wall. The result is a large number of accidents, especially when these scales are used for roofing work. Indeed, to date, solutions developed consist either of providing the uprights the ladder of non-slip shoes, or to equip the ladder of a stabilization leg whose bottom is flared, the whole then resembling a device for stepladder type. This second solution requires having a large floor area.

Un but de la présente invention est de proposer un dispositif de sécurité dont la conception, malgré sa simplicité, permet de garantir un maintien fiable de l'échelle en appui sur un mur indépendamment de son inclinaison par rapport au mur.An object of the present invention is to provide a safety device whose design, despite its simplicity, ensures reliable maintenance of the ladder resting on a wall regardless of its tilt relative to the wall.

Un autre but de la présente invention est de proposer un dispositif de sécurité pouvant être aisément positionné sans outil sur une échelle standard.Another object of the present invention is to provide a safety device that can be easily positioned without tools on a standard scale.

A cet effet, l'invention a pour objet un dispositif de sécurité pour empêcher le glissement ou le renversement d'une échelle en appui sur une surface verticale, telle qu'un mur, par coopération d'organes de sécurité disposés respectivement sur le dispositif et dans la surface verticale, caractérisé en ce que le dispositif, portant le ou les organes de sécurité, est constitué d'au moins une traverse solidarisable, de manière permanente ou amovible, aux dits montants d'échelle en reliant les montants d'échelle entre eux, cette traverse portant au moins un organe de sécurité constitué d'un volet pivotant autour de ladite traverse, ce volet pivotant comportant une ouverture, cette ouverture étant agencée pour se loger derrière la tête d'un organe d'ancrage lors du positionnement de l'échelle équipée du dispositif, cet organe d'ancrage étant immobilisé dans l'épaisseur de la surface verticale d'appui de l'échelle.To this end, the invention relates to a device for safety to prevent slipping or overturning a ladder resting on a vertical surface, such that a wall, by cooperation of security organs arranged respectively on the device and in the surface vertical, characterized in that the device, carrying the or the security organs, consists of at least one solidary crossbar, permanently or removable, to the said scale uprights by connecting the uprights of scale between them, this crosspiece carrying at least one security member consisting of a flap pivoting around said crosspiece, this pivoting flap comprising a opening, this opening being arranged to be housed behind the head of an anchor during the positioning of the ladder fitted with the device, this anchor being immobilized in the thickness of the vertical support surface of the ladder.

Grâce à la conception du volet pivotant, la coopération entre organes de sécurité est possible indépendamment de l'inclinaison donnée à l'échelle.Thanks to the design of the pivoting shutter, cooperation between security organs is possible regardless of the inclination given to the scale.

L'invention a encore pour objet une échelle du type comportant un dispositif de sécurité pour empêcher le glissement ou le renversement d'une échelle en appui sur une surface verticale, telle qu'un mur, par coopération d'organes de sécurité disposés respectivement sur le dispositif et dans la surface verticale, caractérisé en ce que le dispositif, est du type mentionné ci-dessus. The invention also relates to a ladder of the type having a safety device to prevent sliding or overturning a ladder pressing a vertical surface, such as a wall, by cooperation security organs placed respectively on the device and in the vertical surface, characterized in that the device is of the type mentioned above.

L'invention sera bien comprise à la lecture de la description suivante d'exemples de réalisation, en référence aux dessins annexés dans lesquels :

  • la figure 1 représente une vue en perspective d'un dispositif de sécurité conforme à l'invention ;
  • la figure 2 représente une vue de face d'un dispositif de sécurité équipant une échelle en appui sur une surface verticale ;
  • la figure 3 représente une vue de côté de la figure 2;
  • la figure 4 représente une variante du dispositif de sécurité monté sur une échelle en appui sur une surface verticale ;
  • la figure 5 représente une vue de côté du dispositif de la figure 4 ;
  • la figure 6 représente une vue de face d'une autre variante d'un dispositif de sécurité conforme à l'invention et
  • la figure 7 représente une vue en perspective d'un organe d'ancrage destiné à être inséré dans une surface verticale pour coopérer avec les éléments de sécurité portés par le dispositif de sécurité.
    • The invention will be clearly understood on reading the following description of exemplary embodiments, with reference to the appended drawings in which:
  • Figure 1 shows a perspective view of a security device according to the invention;
  • FIG. 2 represents a front view of a safety device fitted to a ladder resting on a vertical surface;
  • Figure 3 shows a side view of Figure 2;
  • FIG. 4 represents a variant of the safety device mounted on a ladder resting on a vertical surface;
  • Figure 5 shows a side view of the device of Figure 4;
  • FIG. 6 represents a front view of another variant of a security device according to the invention and
  • FIG. 7 represents a perspective view of an anchoring member intended to be inserted into a vertical surface to cooperate with the security elements carried by the security device.

    • Le dispositif de sécurité, objet de l'invention, est destiné à empêcher le glissement ou le renversement d'une échelle en appui sur une surface verticale 16, telle qu'un mur, par coopération d'organes de sécurité 12, 13, 14 disposés respectivement sur le dispositif et dans la surface verticale 16.The safety device, object of the invention, is intended to prevent slipping or overturning of a ladder resting on a vertical surface 16, such as a wall, by cooperation of security organs 12, 13, 14 arranged respectively on the device and in the vertical surface 16.

    Ce dispositif est constitué d'au moins une traverse 10 solidarisable directement ou indirectement, de manière permanente ou amovible, aux montants 1 de l'échelle en reliant les montants 1 de l'échelle entre eux. Cette traverse 10 porte au moins un organe de sécurité constitué d'un volet 12 monté libre à pivotement autour de l'axe de la traverse 10 formant pivot. Ce volet 12 comporte une ouverture 13. Cette ouverture 13 est agencée pour se loger derrière la tête 18 d'un organe d'ancrage 14 lors du positionnement de l'échelle équipée du dispositif. Cet organe d'ancrage 14, tel qu'une tige, un boulon, une douille ou similaire est immobilisé dans l'épaisseur de la surface verticale 16 d'appui de l'échelle. Dans l'exemple représenté à la figure 7, l'organe d'ancrage 14 comporte un galet à gorge 15 destiné à coopérer avec la tête 18 dudit organe d'ancrage 14. L'ouverture 13 du volet 12, qui affecte la forme d'un U ouvert renversé, est alors montée à cheval dans la gorge en entourant au moins partiellement le fond de la gorge 15 du galet à gorge. Bien évidemment, d'autres modes de réalisation de cet organe d'ancrage 14 peuvent être envisagés.This device consists of at least one cross 10 can be joined directly or indirectly, so permanent or removable, to the uprights 1 of the ladder connecting the uprights 1 of the ladder together. This cross member 10 carries at least one safety device consisting a flap 12 mounted free to pivot about the axis of the cross member 10 forming a pivot. This component 12 includes a opening 13. This opening 13 is arranged to be housed behind the head 18 of an anchoring member 14 during the positioning of the ladder fitted with the device. This anchor member 14, such as a rod, a bolt, a socket or the like is immobilized in the thickness of the vertical surface 16 of the ladder support. In the example shown in Figure 7, the anchor member 14 comprises a grooved roller 15 intended to cooperate with the head 18 of said anchor member 14. The opening 13 of the flap 12, which assumes the shape of an overturned open U, then climbs to horse in the throat at least partially surrounding the bottom of the groove 15 of the grooved roller. Of course, other embodiments of this anchoring member 14 can be considered.

    Dans un mode de réalisation particulier qui sera décrit en détail ci-après, la traverse 10 est solidarisable aux montants d'échelle par l'intermédiaire d'étriers 3 immobilisables axialement sur les montants d'échelle. Ces étriers 3 sont reliés à écartement variable grâce au fait que la traverse 10 est formée d'éléments à emboítement téléscopique.In a particular embodiment which will be described in detail below, the cross member 10 can be secured to ladder posts via stirrups 3 axially immobilizable on the ladder uprights. These stirrups 3 are connected with variable spacing thanks to the fact that the cross 10 is formed of interlocking elements telescopic.

    La traverse 10, qui porte le ou les organe(s) de sécurité 12, 13, est fixée directement ou par l'intermédiaire de bras de liaison aux étriers 3.The cross member 10, which carries the security member (s) 12, 13, is fixed directly or through link arms to stirrups 3.

    Aussi, la traverse 10 entre étriers 3 peut être constituée simplement de deux tubes 10A, 10B emboítables fixés respectivement à un étrier 3, au moins l'un des tubes étant muni dudit organe de sécurité décrit ci-dessus. Cet exemple de réalisation est plus particulièrement représenté aux figures 1 à 3.Also, the cross 10 between stirrups 3 can be constituted simply two fixed tubes 10A, 10B fixed respectively to a stirrup 3, at least one of the tubes being provided with said safety device described above. This example is more particularly represented in Figures 1 to 3.

    Dans un autre mode de réalisation représenté aux figures 4 à 6, la traverse 10 entre étriers 3 est constituée d'une traverse sensiblement en forme de U, l'âme du U étant formée d'éléments 10'A, 10'B montés à emboítement télescopique pour permettre un écartement variable des branches 9 du U. Ces branches 9 viennent se loger à emboítement télescopique à l'intérieur de départs 11 de fixation solidaires des étriers 3 pour permettre un écartement variable entre âme du U et montants 1 de l'échelle. L'âme du U porte le ou les organe(s) de sécurité. Ce mode de réalisation permet de disposer l'échelle à écartement variable de la surface verticale 16 sur laquelle elle doit être appliquée. Les départs 11 de fixation solidaires des étriers 3 sont dans ce cas constitués par de simples sections de tube à l'intérieur desquelles viennent se loger à emboítement télescopique les branches 9 de la traverse en forme de U. L'immobilisation des branches 9 à l'intérieur des départs 11 de fixation est obtenue par exemple au moyen de goupilles ou d'axes traversant simultanément les départs 11 de fixation et les branches 9.In another embodiment shown in Figures 4 at 6, the cross member 10 between stirrups 3 consists of a cross substantially U-shaped, the soul of the U being formed of elements 10'A, 10'B mounted to interlocking telescopic to allow variable spacing of branches 9 of the U. These branches 9 are housed at telescopic socket inside departures 11 from fixing integral with the stirrups 3 to allow a variable spacing between core of U and uprights 1 of the scale. The soul of the U carries the organ (s) of security. This embodiment makes it possible to have the ladder with variable spacing from the vertical surface 16 to which it should be applied. Departures 11 from fixing integral with the stirrups 3 are in this case consisting of simple sections of tube inside which are housed in telescopic interlocking branches 9 of the U-shaped cross member. branches 9 inside the outlets 11 for fixing east obtained for example by means of pins or pins simultaneously passing through the fixing feeders 11 and the branches 9.

    Les étriers 3 sensiblement en forme de U sont quant à eux agencés pour entourer partiellement lesdits montants 1 de l'échelle. Ces étriers 3 sont de préférence disposés sur l'échelle de sorte que l'âme du U est appliquée sur les faces frontale ou arrière des montants de l'échelle, comme le montrent les figures tandis que les branches du U viennent en regard des faces des montants 1. La traverse 10 prend généralement appui sur l'âme du U de l'étrier et est solidarisée à ce dernier.The substantially U-shaped stirrups 3 are arranged to partially surround said uprights 1 of the scale. These stirrups 3 are preferably arranged on the scale so that the soul of the U is applied to them front or rear faces of the ladder uprights, such as show the figures while the branches of the U come opposite the faces of the uprights 1. The cross member 10 generally rests on the core of the U of the stirrup and is joined to the latter.

    Ces étriers 3, immobilisables axialement sur les montants 1 d'échelle, sont reliés, en outre à écartement variable, au moyen d'un axe 6 apte à être enfilé à travers des perçages 4 traversant des étriers 3 pour maintenir ces derniers à l'état emboíté sur les montants 1 d'échelle.These stirrups 3, axially immobilizable on the uprights 1 of scale, are connected, in addition to variable spacing, to the by means of an axis 6 capable of being threaded through holes 4 crossing stirrups 3 to keep them at the state fitted on the uprights 1 of scale.

    Afin d'obtenir un maintien à l'état emboíté de ces étriers 3, l'axe 6 comporte au moins un organe 7, 8 de verrouillage assurant son immobilisation axiale à l'état enfilé à travers les étriers 3. Dans les exemples représentés, l'organe 7, 8 de verrouillage de l'axe 6 de maintien des étriers 3 est agencé pour venir en prise avec un montant 1 d'échelle. Cet organe de verrouillage de l'axe 6 de maintien des étriers 3 affecte par exemple la forme d'une poignée 7 terminée par un crochet 8 agencé pour venir épouser, sous l'effet de son propre poids, un montant d'échelle lors d'une rotation de l'axe 6. Le positionnement à l'état vertical de l'échelle assure automatiquement cette rotation de l'axe 6 sous l'effet du poids de la poignée 7 munie de son crochet 8. On garantit ainsi une parfaite immobilisation de l'axe 6, y compris dans le cas où l'opérateur aurait oublié de verrouiller l'axe 6 lors du montage des étriers 3 sur l'échelle.In order to maintain the nested state of these stirrups 3, the axis 6 comprises at least one locking member 7, 8 ensuring its axial immobilization in the threaded state at through the stirrups 3. In the examples shown, the member 7, 8 for locking the axis 6 for holding the stirrups 3 is arranged to engage with a post 1 of scale. This axis 6 locking member of holding the stirrups 3 affects for example the shape of a handle 7 terminated by a hook 8 arranged to come marry, under the effect of his own weight, an amount scale during rotation of axis 6. Positioning in the vertical state of the scale automatically ensures this rotation of the axis 6 under the effect of the weight of the handle 7 provided with its hook 8. This guarantees perfect immobilization of axis 6, including in the case where the operator would have forgotten to lock axis 6 when mounting the stirrups 3 on the ladder.

    Pour parfaire ce montage, les étriers 3 sont immobilisés axialement sur les montants 1. Cette immobilisation axiale peut être obtenue par l'intermédiaire d'au moins une encoche 5 ménagée sur une branche de l'étrier 3, comme le montre la figure 6. Cette encoche 5 est de forme complémentaire à un barreau 2 d'échelle pour pouvoir l'épouser lors du positionnement des étriers 3 sur les montants 1 d'échelle. Ces encoches 5 sont donc ménagées sur les branches intérieures des étriers 3.To perfect this assembly, the stirrups 3 are immobilized axially on the uprights 1. This axial immobilization can be obtained through at least one notch 5 formed on a branch of the stirrup 3, like the shows figure 6. This notch 5 is shaped complementary to a bar 2 of scale to be able marry him when positioning the stirrups 3 on the 1 ladder uprights. These notches 5 are therefore provided on the inner arms of the stirrups 3.

    Une variante représentée aux figures 1 à 5 consiste à immobiliser axialement les étriers 3 sur les montants 1 d'échelle par l'intermédiaire de l'axe 6 de maintien des étriers 3 qui, à l'état enfilé à travers les étriers 3, traverse simultanément un barreau 2 d'échelle. Dans ce cas, la mise en place des étriers sur les montants d'échelle est particulièrement aisée. A variant shown in Figures 1 to 5 consists of axially immobilize the stirrups 3 on the uprights 1 of scale through the axis 6 of maintenance of stirrups 3 which, in the state threaded through the stirrups 3, simultaneously crosses a ladder bar 2. In that case, the installation of the stirrups on the ladder uprights is particularly easy.

    Enfin, pour compléter le dispositif, l'un des étriers 3 comporte un organe 17, tel qu'un anneau, pour la fixation d'une ligne de vie.Finally, to complete the device, one of the stirrups 3 comprises a member 17, such as a ring, for fixing of a lifeline.

    Le principe de fonctionnement du dispositif décrit ci-dessus est le suivant. Les étriers 3 reliés entre eux, à écartement variable, par la traverse 10 sont positionnés autour des montants 1 de l'échelle. Une fois les étriers 3 positionnés à emboítement sur les montants 1 de l'échelle, l'axe 6 de maintien en position emboítée des étriers 3 est positionné sur l'échelle et verrouillé en position. L'ensemble de ces manipulations peut s'effectuer au sol alors que l'échelle est en position horizontale sur le sol. La ligne de vie est quant à elle fixée à l'anneau 17. Parallèlement à ce montage, un organe d'ancrage, du type de celui représenté à la figure 7, est installé dans la surface sur laquelle l'échelle est destinée à venir en appui. Une fois le dispositif ainsi fixé à l'échelle et l'organe d'ancrage installé dans la surface verticale 16, l'échelle peut être relevée de sorte que le volet 12 portant l'ouverture 13 est positionné au-dessus de l'organe d'ancrage 14. Lors de l'abaissement de l'échelle, l'ouverture 13 en forme de U vient en prise derrière la tête 18 de l'organe d'ancrage tandis que l'extrémité opposée des montants 1 de l'échelle repose en appui au sol. Dans cette position, toute désolidarisation de l'échelle de la surface sur laquelle elle est en appui est rendue impossible. Pour désolidariser l'échelle de la surface verticale, il suffit de procéder de manière inverse, c'est-à-dire de lever légèrement l'échelle de manière à permettre au volet 12 et à son ouverture 13 de se positionner au-dessus de l'organe d'ancrage 14 pour pouvoir ensuite écarter de l'échelle la surface 16 sur laquelle elle est en appui.The operating principle of the device described above is the next. The stirrups 3 connected together, variable spacing, through the crosspiece 10 are positioned around the uprights 1 of the ladder. Once the stirrups 3 positioned to fit on the uprights 1 of the ladder, the axis 6 for holding in the nested position of the stirrups 3 is positioned on the ladder and locked in position. All of these manipulations can be carried out on the ground while the ladder is in a horizontal position on the ground. The lifeline is attached to the ring 17. In parallel with this assembly, an anchoring member, of the type of that shown in Figure 7, is installed in the surface on which the ladder is intended to come in support. Once the device thus fixed to the scale and the anchoring member installed in the vertical surface 16, the ladder can be raised so that the flap 12 carrying the opening 13 is positioned above the member anchor 14. When lowering the ladder, the U-shaped opening 13 engages behind the head 18 of the anchoring member while the end opposite of the uprights 1 of the ladder rests on the ground. In this position, any separation from the scale of the surface on which it is supported is rendered impossible. To separate the scale from the surface vertical, it is enough to proceed in reverse, that is to say raise the ladder slightly so that at the flap 12 and at its opening 13 to position itself above of the anchoring member 14 so that it can then move away from the scale the surface 16 on which it is in support.

    Grâce à ce dispositif, il en résulte d'une part un montage aisé du dispositif sur les montants 1 de l'échelle, d'autre part, un accouplement aisé de l'organe de sécurité porté par le dispositif avec l'organe de sécurité immobilisé dans l'épaisseur de la surface verticale d'appui de l'échelle.Thanks to this device, it results on the one hand an assembly easy of the device on the uprights 1 of the ladder, other apart, an easy coupling of the worn safety device by the device with the safety device immobilized in the thickness of the vertical bearing surface of the ladder.

    Dans un exemple de réalisation qui n'a pas été représenté, le dispositif de sécurité peut également être installé en première monte sur les échelles. Dans ce cas, la traverse, qui peut être formée d'un ou plusieurs éléments, est directement fixée de manière permanente aux montants de l'échelle.In an exemplary embodiment which has not been shown, the safety device can also be installed in original equipment on the scales. In this case, the crossbar, which can be made up of one or more elements, is directly fixed permanently to the amounts of the scale.

    Claims (11)

    Dispositif de sécurité pour empêcher le glissement ou le renversement d'une échelle en appui sur une surface verticale (16), telle qu'un mur, par coopération d'organes de sécurité (12, 13; 14) disposés respectivement sur le dispositif et dans la surface verticale (16),
    caractérisé en ce que le dispositif, portant le ou les organes de sécurité (12, 13), est constitué d'au moins une traverse (10) solidarisable, de manière permanente ou amovible, aux dits montants (1) d'échelle en reliant les montants (1) d'échelle entre eux, cette traverse (10) portant au moins un organe de sécurité constitué d'un volet (12) pivotant autour de ladite traverse (10), ce volet (12) pivotant comportant une ouverture (13), cette ouverture (13) étant agencée pour se loger derrière la tête (18) d'un organe d'ancrage (14) lors du positionnement de l'échelle équipée du dispositif, cet organe d'ancrage (14) étant immobilisé dans l'épaisseur de la surface verticale (16) d'appui de l'échelle.    Safety device for preventing the sliding or overturning of a ladder resting on a vertical surface (16), such as a wall, by cooperation of safety devices (12, 13; 14) respectively arranged on the device and in the vertical surface (16),
    characterized in that the device, carrying the safety member (s) (12, 13), consists of at least one crossmember (10) which can be fixed, permanently or removably, to the said uprights (1) of ladder by connecting the uprights (1) of scale between them, this crosspiece (10) carrying at least one safety member consisting of a flap (12) pivoting around said crosspiece (10), this pivoting flap (12) having an opening ( 13), this opening (13) being arranged to be housed behind the head (18) of an anchoring member (14) when positioning the ladder equipped with the device, this anchoring member (14) being immobilized in the thickness of the vertical surface (16) supporting the ladder.         Dispositif de sécurité selon la revendication 1,
    caractérisé en ce que la traverse (10) est solidarisable aux montants (1) d'échelle par l'intermédiaire d'étriers (3) immobilisables axialement sur les montants (1) d'échelle.    Safety device according to claim 1,
    characterized in that the crosspiece (10) can be secured to the uprights (1) of the ladder by means of stirrups (3) axially immobilizable on the uprights (1) of the ladder.         Dispositif de sécurité selon l'une des revendications 1 et 2,
    caractérisé en ce que la traverse (10) est formée d'éléments à emboítement téléscopique.    Safety device according to either of Claims 1 and 2,
    characterized in that the crosspiece (10) is formed of elements with telescopic interlocking.         Dispositif de sécurité selon la revendication 3,
    caractérisé en ce que la traverse (10) est constituée de deux tubes (10A, 10B) emboítables fixés respectivement à un étrier (3), au moins un des tubes étant muni dudit organe (12, 13) de sécurité.     Safety device according to claim 3,
    characterized in that the crosspiece (10) consists of two nestable tubes (10A, 10B) fixed respectively to a stirrup (3), at least one of the tubes being provided with said safety member (12, 13).         Dispositif de sécurité selon la revendication 3,
    caractérisé en ce que la traverse (10) affecte sensiblement la forme d'un U, l'âme du U étant formée d'éléments (10A, 10B) montés à emboítement téléscopique pour permettre un écartement variable des branches (9) du U, ces branches venant se loger à emboítement téléscopique à l'intérieur de départs (11) de fixation solidaires des étriers (3) pour permettre un écartement variable entre âme du U et montant (1) de l'échelle, cette âme portant le ou les organe(s) (12, 13) de sécurité.    Safety device according to claim 3,
    characterized in that the cross-member (10) substantially affects the shape of a U, the core of the U being formed of elements (10A, 10B) mounted with telescopic interlocking to allow variable spacing of the branches (9) of the U, these branches coming to be housed with telescopic interlocking inside outlets (11) for fastening integral with the stirrups (3) to allow a variable spacing between the core of the U and the upright (1) of the ladder, this core carrying the security organ (s) (12, 13).         Dispositif de sécurité selon l'une des revendications 2 à 5,
    caractérisé en ce que les étriers (3), agencés pour entourer partiellement les montants (1) de l'échelle, sont reliés en outre à écartement variable au moyen d'un axe (6) apte à être enfilé à travers les dits étriers (3) pour maintenir ces derniers à l'état emboíté sur les montants (1) d'échelle, cet axe (6) comportant en moins un organe (7, 8) de verrouillage assurant son immobilisation axiale à l'état enfilé à travers les étriers (3).    Safety device according to one of claims 2 to 5,
    characterized in that the stirrups (3), arranged to partially surround the uprights (1) of the ladder, are further connected with variable spacing by means of an axis (6) able to be threaded through said stirrups ( 3) to maintain the latter in the fitted state on the uprights (1) of scale, this axis (6) comprising at least one locking member (7, 8) ensuring its axial immobilization in the state threaded through the stirrups (3).         Dispositif de sécurité selon la revendication 6,
    caractérisé en ce que l'organe (7, 8) de verrouillage de l'axe (6) de maintien des étriers (3) est agencé pour venir en prise avec un montant (1) d'échelle.    Safety device according to claim 6,
    characterized in that the member (7, 8) for locking the axis (6) for holding the stirrups (3) is arranged to engage with an upright (1) of scale.         Dispositif de sécurité selon la revendication 7,
    caractérisé en ce que l'organe de verrouillage de l'axe (6) de maintien des étriers (3) affecte la forme d'une poignée (7) terminée par un crochet (8) agencé pour venir épouser, sous l'effet de son propre poids, un montant (1) d'échelle lors d'une rotation de l'axe (6).    Safety device according to claim 7,
    characterized in that the locking member of the axis (6) for holding the stirrups (3) takes the form of a handle (7) terminated by a hook (8) arranged to come to marry, under the effect of its own weight, an amount (1) of scale when the axis (6) rotates.         Dispositif de sécurité selon l'une des revendications 2 à 9,
    caractérisé en ce que les étriers (3) sont immobilisés axialement sur les montants (1) d'échelle par l'intermédiaire d'au moins une encoche (5) ménagée sur une branche de l'étrier (3), cette encoche étant de forme complémentaire à celle d'un barreau (2) d'échelle pour pouvoir l'épouser lors du positionnement des étriers (3) sur lesdits montants (1) d'échelle.    Safety device according to one of claims 2 to 9,
    characterized in that the stirrups (3) are immobilized axially on the uprights (1) of the ladder by means of at least one notch (5) formed on a branch of the stirrup (3), this notch being of shape complementary to that of a ladder bar (2) to be able to marry it when positioning the stirrups (3) on said ladder uprights (1).         Dispositif de sécurité selon la revendication 6,
    caractérisé en ce que les étriers (3) sont immobilisés axialement sur les montants (1) d'échelle par l'intermédiaire de l'axe (6) de maintien des étriers (3) qui, à l'état enfilé à travers les étriers (3), traverse simultanément un barreau (2) d'échelle.    Safety device according to claim 6,
    characterized in that the stirrups (3) are immobilized axially on the uprights (1) of the ladder by means of the pin (6) for holding the stirrups (3) which, in the state threaded through the stirrups (3), simultaneously crosses a ladder bar (2).         Echelle du type comportant un dispositif de sécurité pour empêcher le glissement ou le renversement d'une échelle en appui sur une surface verticale (16), telle qu'un mur, par coopération d'organes de sécurité (12, 13; 14) disposés respectivement sur le dispositif et dans la surface verticale (16),
    caractérisé en ce que le dispositif de sécurité est conforme à l'une quelconque des revendications 1 à 10.    Ladder of the type comprising a safety device for preventing the sliding or overturning of a ladder resting on a vertical surface (16), such as a wall, by the cooperation of arranged safety members (12, 13; 14) respectively on the device and in the vertical surface (16),
    characterized in that the security device conforms to any one of claims 1 to 10.
    EP00402635A 1999-09-24 2000-09-22 Safety device Expired - Lifetime EP1087098B1 (en)

    Priority Applications (1)

    Application Number Priority Date Filing Date Title
    DK00402635T DK1087098T3 (en) 1999-09-24 2000-09-22 safety device

    Applications Claiming Priority (4)

    Application Number Priority Date Filing Date Title
    FR9911952A FR2798958B1 (en) 1999-09-24 1999-09-24 SECURITY DEVICE
    FR9911952 1999-09-24
    FR9911951 1999-09-24
    FR9911951A FR2799805B1 (en) 1999-09-24 1999-09-24 PERMANENT ANCHORING DEVICE

    Publications (2)

    Publication Number Publication Date
    EP1087098A1 true EP1087098A1 (en) 2001-03-28
    EP1087098B1 EP1087098B1 (en) 2004-06-09

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    EP00402635A Expired - Lifetime EP1087098B1 (en) 1999-09-24 2000-09-22 Safety device
    EP00402634A Expired - Lifetime EP1087075B1 (en) 1999-09-24 2000-09-22 Permanent anchoring device

    Family Applications After (1)

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    EP00402634A Expired - Lifetime EP1087075B1 (en) 1999-09-24 2000-09-22 Permanent anchoring device

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    EP (2) EP1087098B1 (en)
    AT (2) ATE268861T1 (en)
    DE (2) DE60011358T2 (en)
    DK (2) DK1087098T3 (en)
    ES (2) ES2220362T3 (en)
    PT (2) PT1087098E (en)

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    WO2003100204A1 (en) * 2002-05-28 2003-12-04 Houen Terje H A securing device for a ladder
    US7066299B1 (en) 2004-04-08 2006-06-27 Jeffrey John Fleming Portable ladder suspension apparatus or a portable ladder for suspension or the combination thereof
    GB2432394A (en) * 2005-11-17 2007-05-23 Forest Safety Products Ltd A ladder safety device
    US7950497B2 (en) 2004-07-29 2011-05-31 Surrey Hills Hire Pty. Ltd. Ladder stabilising device
    CN101469599B (en) * 2007-12-28 2011-12-07 安徽省电力公司蚌埠供电公司 Insulating combined ladder and combined erecting method thereof
    GB2508116A (en) * 2009-05-08 2014-05-21 Stuart Arnold A ladder for attachment to a vehicle load platform
    FR3054592A1 (en) * 2016-08-01 2018-02-02 4Nrj DEVICE FOR MAINTAINING A SCALE IN A USE POSITION FOR SECURING HIGH-HEIGHT INTERVENTION
    EP3686391A1 (en) * 2019-01-25 2020-07-29 SADE - Compagnie Generale de Travaux d'Hydraulique Holding device configured for holding a ladder against a surface

    Families Citing this family (5)

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    ES2926290T3 (en) * 2014-12-15 2022-10-25 Nordex Energy Spain S A Wind turbine with concrete tower and procedure for its assembly
    CN105201400B (en) * 2015-09-15 2017-03-22 国网北京市电力公司 Fixing device
    CN110439244A (en) * 2019-08-12 2019-11-12 中国建筑第二工程局有限公司 A kind of scaffold for building
    CN112211390A (en) * 2020-09-28 2021-01-12 安徽长青建筑制品有限公司 Outer wall connection structure for building construction scaffold
    CN112227700A (en) * 2020-10-13 2021-01-15 麦田建设有限公司 Temporary scaffold mounting device for shear wall in constructional engineering

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    US4823912A (en) * 1988-06-06 1989-04-25 Gould William E Multipurpose ladder fixture
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    FR2610027A1 (en) * 1987-01-26 1988-07-29 Ricouard Marcel Folding and height-adjustable bracket for supporting overhanging platforms
    FR2755165B1 (en) * 1996-10-30 1998-12-24 Dimos ANCHORING DEVICE

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    FR1292592A (en) * 1961-06-17 1962-05-04 Tubesca Anciens Etablissements Hook in particular for ladders or other applications and ladders provided with this hook or similar hook
    US4823912A (en) * 1988-06-06 1989-04-25 Gould William E Multipurpose ladder fixture
    DE9013505U1 (en) * 1990-09-26 1992-01-30 Towet, Manfred

    Cited By (10)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    WO2003100204A1 (en) * 2002-05-28 2003-12-04 Houen Terje H A securing device for a ladder
    US7066299B1 (en) 2004-04-08 2006-06-27 Jeffrey John Fleming Portable ladder suspension apparatus or a portable ladder for suspension or the combination thereof
    US7950497B2 (en) 2004-07-29 2011-05-31 Surrey Hills Hire Pty. Ltd. Ladder stabilising device
    GB2432394A (en) * 2005-11-17 2007-05-23 Forest Safety Products Ltd A ladder safety device
    CN101469599B (en) * 2007-12-28 2011-12-07 安徽省电力公司蚌埠供电公司 Insulating combined ladder and combined erecting method thereof
    GB2508116A (en) * 2009-05-08 2014-05-21 Stuart Arnold A ladder for attachment to a vehicle load platform
    GB2508116B (en) * 2009-05-08 2014-08-27 Stuart Arnold Fall prevention system and access ladder
    FR3054592A1 (en) * 2016-08-01 2018-02-02 4Nrj DEVICE FOR MAINTAINING A SCALE IN A USE POSITION FOR SECURING HIGH-HEIGHT INTERVENTION
    EP3686391A1 (en) * 2019-01-25 2020-07-29 SADE - Compagnie Generale de Travaux d'Hydraulique Holding device configured for holding a ladder against a surface
    FR3092131A1 (en) * 2019-01-25 2020-07-31 Sade - Compagnie Generale De Travaux D'hydraulique Holding device configured to hold a ladder against a surface

    Also Published As

    Publication number Publication date
    DK1087075T3 (en) 2004-10-04
    DE60011003T2 (en) 2005-08-11
    EP1087075A1 (en) 2001-03-28
    ES2220362T3 (en) 2004-12-16
    DE60011358T2 (en) 2005-08-25
    PT1087098E (en) 2004-10-29
    ES2220361T3 (en) 2004-12-16
    EP1087075B1 (en) 2004-05-26
    ATE268861T1 (en) 2004-06-15
    EP1087098B1 (en) 2004-06-09
    DE60011358D1 (en) 2004-07-15
    DK1087098T3 (en) 2004-10-18
    PT1087075E (en) 2004-09-30
    DE60011003D1 (en) 2004-07-01
    ATE267932T1 (en) 2004-06-15

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