EP3686391B1 - Holding device configured for holding a ladder against a surface - Google Patents
Holding device configured for holding a ladder against a surface Download PDFInfo
- Publication number
- EP3686391B1 EP3686391B1 EP20153420.3A EP20153420A EP3686391B1 EP 3686391 B1 EP3686391 B1 EP 3686391B1 EP 20153420 A EP20153420 A EP 20153420A EP 3686391 B1 EP3686391 B1 EP 3686391B1
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- European Patent Office
- Prior art keywords
- holding
- ladder
- holding elements
- elements
- holding device
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- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- 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
- This disclosure relates to a holding device configured to hold a ladder against a surface, such as a wall of a formwork, a container, or a trailer.
- the holding device is able to hold the ladder relative to a surface and thus secure the operations of a user when he climbs the ladder.
- the holding device thus makes it possible to avoid the help of another user to hold the ladder.
- the holding device is thus easy to use, lightweight and has a small footprint.
- the at least one mounting element allows adhesion or attachment to the surface having a sufficiently strong resistance to forces to guarantee the stability of the ladder against the surface.
- first and second holding elements move relative to each other in translation along the tightening direction.
- first and second holding elements are configured to move away from or approach each other to grip a portion of the ladder.
- the first and second holding elements thus form a jaw.
- the surface is substantially vertical, or inclined with respect to the vertical.
- the inclination of the surface relative to the vertical is less than 20°.
- the holding device comprises a plurality of mounting elements, distributed over the structure so as to ensure an equitable distribution of the forces on the holding device.
- the maximum spacing between the first and second holding elements is between 280 mm and 600 mm, and preferably between 290 mm and 480 mm.
- the first and second holding elements are removable, in other words, suitable and intended to be dismantled from the structure.
- the first and second holding elements each comprise a reception space intended to receive a amount of the ladder, the reception space being delimited by at least one abutment intended to retain the ladder against the surface, in a retaining direction normal to the support plane.
- the ladder is held against the surface, between the first and second holding elements.
- the first and second holding elements are configured to each pivot around an axis extending along the tightening direction.
- the first and second holding elements are capable of pivoting so as to adapt to the inclination of the ladder with respect to the surface.
- first and second holding elements are capable of pivoting independently of one another.
- the first and second holding elements are configured to each pivot about at least one axis transverse to the tightening direction.
- the first and second holding elements are mounted on the structure via a connection having at least one degree of freedom of translation, preferably at least two degrees of freedom of translation, and at least one degree of freedom of spin.
- This connection can for example be of the flat type, of the ball joint type or even of the point type.
- first and second holding elements are configured to each pivot around an axis extending along a bearing direction substantially perpendicular to the retaining direction and to the clamping direction and/or along an axis substantially parallel to the retaining direction.
- the first and second holding elements are movable in translation relative to the structure in at least one direction transverse to the clamping direction, preferably in a retaining direction substantially normal to the support plane.
- the position of the first and second holding elements relative to the structure can be adapted for example to the distance between the ladder and the surface.
- the first holding element comprises a first bore
- the second retaining element comprises a second bore allowing the translational movement of the retaining elements relative to the structure.
- the first and second bores may be oblong or cross-shaped.
- first and second oblong-shaped bores extend along the retaining direction.
- two pins such as rods or screws, fixed to or mounted on the structure are each configured to be inserted into one of the first and second bores.
- the holding device comprises members for blocking the first and second holding elements with respect to the structure.
- the locking members can be lock washers or nuts.
- the structure comprises the first bore for mounting the first holding element and the second bore for mounting the second holding element.
- the axes are fixed to or mounted on the first and second holding elements respectively.
- the structure comprises a first portion and a second portion, the first and second portions being connected to each other via a sliding connection.
- the first holding element is mounted on the first portion and the second holding element is mounted on the second portion.
- the separation or re-tightening of the first and second holding elements is easy and quick.
- the structure comprises at least one adjustment axis.
- At least one portion of the structure among the first and second portions comprises at least one through hole or a bearing, in which the at least one adjustment axis is configured to slide.
- the adjustment pin and the through hole or the bearing form the sliding connection.
- each of the first and second portions includes at least one mounting element.
- each of the first and second portions cooperates with one or more assembly element(s) so as to distribute the forces on the assembly elements.
- the at least one mounting element includes at least one adhesion element, preferably a magnetic element.
- the holding device is intended to adhere to the surface, which allows simple mounting of the holding device on the surface.
- magnetic element is meant, for example, a permanent magnet.
- the adhesion element has an adhesion force at least equal to 2500 N, preferably at least equal to 3000 N.
- the adhesion force of the adhesion element is high enough to prevent disengagement of the structure from the surface.
- each of the first and second portions of the structure comprises an adhesion element
- the adhesion forces of the adhesion elements can in total reach at least 2500 N.
- the holding device comprises a blocking element configured to maintain a determined spacing between the first and second holding elements.
- the holding elements are chosen to be mounted on the structure according to their dimensions, corresponding to the dimensions of the uprights of the ladder to be held.
- the first distance is at least 20 mm, and preferably at least 30 mm
- the second distance is less than 90 mm, and preferably less than 80 mm.
- This description also relates to an assembly comprising a holding device in accordance with at least one of the preceding embodiments, and a ladder mounted in the holding elements.
- the figure 1 represents a holding device 1, fixed to a surface S.
- a ladder 3 is inserted into the holding device 1 in order to be held against the surface S.
- the holding device 1 comprises a structure 5 defining a support plane PA able to bear against the surface S.
- the holding device 1 also comprises a first holding element 7 and a second holding element 9, mounted on the structure 5 and holding the ladder against the surface S.
- the surface S is substantially vertical. However, the surface could be tilted from the vertical.
- the structure 5 comprises means allowing the first and second retaining elements 7, 9 to be separated or tightened according to the width of the ladder 3.
- the structure 5 comprises a first portion 11 and a second portion 13, connected to each other via a sliding connection.
- the sliding link is formed by at least one adjustment axis, here two adjustment axes 15, 17 in order to reinforce the solidity of the sliding connection.
- the first and second portions 11, 13 are configured to cooperate with the adjustment axes 15, 17.
- the first portion 11 will be described below and the elements described will bear a numerical reference followed by the letter A. This description applies by analogy to the second portion 9, the elements of which bear the same numerical references followed by the letter B.
- the first and second portions 11, 13 face each other. In other words, the first and second portions 11, 13 are arranged symmetrically, or in a mirror.
- the first portion 11 comprises a mounting part 19A of the first holding element 5, and an adjustment part 21A.
- the adjustment part 21A has substantially a U-shape and thus comprises two side plates 23A, 25A arranged face to face corresponding to the arms of the U and a central plate 27A corresponding to the central bar of the U.
- the side plates 23A, 25A comprise each two through holes 28Aa, 28Ab and 28Ac, 28Ad, respectively.
- the through holes 28Aa and 28Ac are aligned and are configured to receive the adjustment pin 15; and the through holes 28Ab and 28Ad are aligned and are configured to receive the adjustment pin 17.
- Each of the adjustment axes 15, 17 comprises at its ends a stop 15A, 15B, 17A, 17B, respectively, so as to hold the first and second portions 11, 13 of the structure 5 on the axes 15, 17.
- the stops 15A, 15B, 17A, 17B are washers having a diameter greater than the diameter of the through holes 28Aa, 28Ab, 28Ba, 28Bb respectively.
- the stops 15A, 15B, 17A, 17B are here fixed to each of the ends of the adjustment pins 15, 17 respectively, via screws 16, configured to cooperate with a bore made in each of the ends of the adjustment pins 15, 17.
- the stops and their means of attachment to the adjustment shafts can be made by any means known to those skilled in the art.
- the mounting part 19A is arranged in the extension of the side plate 23A and is substantially parallel to the side plate 25A.
- the mounting part 19A is therefore substantially perpendicular to the central plate 27A.
- the first portion 11 further comprises a reinforcement 29A disposed at the angle formed by the side plate 23A and the central plate 27A.
- the reinforcement 29 is here formed by a plate substantially perpendicular to the side plate 23A and to the central plate 27A, having a triangular shape.
- the reinforcement 29A can be formed by any other means known to those skilled in the art, for example a rod.
- the holding device 1 also comprises at least one mounting element 31 of the structure 5 on the surface S.
- the holding device 1 comprises eight mounting elements 31 as represented in figure 2 , distributed on the structure of 5 so as to ensure a distribution of the forces on the structure 5.
- four mounting elements are arranged on each central plate 21A, 21B, on their external faces, corresponding to the external face of the U.
- mounting elements 31 are here fixed on the central plate 27A via an axis which fits into a through hole on which a bolt is screwed.
- the mounting elements 31 could be fixed by any other means known to those skilled in the art, for example by gluing, welding, etc.
- each of the mounting elements 31 here allows the structure to adhere to the surface S.
- each of the mounting elements 31 here comprises a magnetic element.
- the magnetic elements are for example permanent magnets.
- the mounting elements 31 preferably have sufficient gripping force to be able to hold the ladder when a user is mounted thereon.
- each of the mounting elements 31 has an adhesive force of approximately 390 N.
- the total adhesive force of the mounting elements is 3120 N.
- mounting 31 is high enough to prevent the disengagement of the structure 5 from the surface S.
- the first and second holding elements 7, 9 are mounted on the structure and are arranged face to face in a clamping direction X.
- the first holding element 7 being mounted on the first portion 11, more precisely on the mounting part 19A of the first portion 11.
- the second holding element 9 is mounted on the second portion 13 and more particularly on the mounting part 19B of the second portion 13.
- the first holding element 7 comprises a through hole 35.
- the mounting part 19A of the first portion 11 also comprises a through hole 37.
- the through holes 35, 37 are configured to be aligned.
- a fixing element 39 such as a screw or a rod is configured to be inserted into the through-holes 35, 37 so as to removably fix the first holding element 7 on the part mounting 19A of the first portion 11. This description applies by analogy to the second retaining element 9, mounted on the second portion 13.
- the first and second holding elements are removable, in other words, able and intended to be dismantled from the structure.
- the first and second holding elements 7, 9 are configured to be moved relative to each other in the clamping direction X so as to be moved apart or tightened.
- the first and second holding elements 7, 9 move relative to each other in translation along the tightening direction X.
- the operator can spread or tighten the first and second portions 11, 13 to insert the ladder 3 between the first and second holding elements 7, 9.
- the first and second holding elements 7, 9 thus form a jaw.
- the maximum spacing between the first and second holding elements 7, 9 is between 280 mm and 600 mm, and preferably between 290 mm and 480 mm.
- the figure 1 and 2 represent the holding device 1 in the maximum spacing, that is to say that the side plates 23A, 23B of the adjustment parts 21A, 21B respectively bear against the stops 15A, 15B, 17A, 17B respectively.
- the figure 4 represents the holding device whose spacing between the first and second holding elements 7, 9 has been reduced.
- the holding device 1 comprises a locking element 60 configured to maintain a determined spacing between the first and second holding elements 7, 9.
- the holding device 1 comprises a locking element 60 configured to maintain a determined spacing between the first and second holding elements 7, 9.
- the translation between the first and second holding elements 7, 9 in the tightening direction X is blocked.
- the blocking element 60 is a plate comprising two through holes 61, 63 intended to cooperate with the adjustment axes 15, 17 of the structure 5.
- the blocking element 60 extends along a plane substantially perpendicular to the support plane PA and to the adjustment pins 15, 17, the adjustment pins 15, 17 can slide freely in the first and second portions 11, 13.
- the locking element 60 extends along a plane substantially inclined relative to the support plane PA, the edges of the through holes 61, 63 come into contact with the adjustment pins 15, 17 and block them.
- the blocking element 60 may comprise a retaining means in the tilted position.
- the first holding element 7 is capable of pivoting around an axis extending along the clamping direction X so as to adapt to the inclination of the ladder 3.
- the second holding element 9 is capable of pivoting around an axis extending along the tightening direction X so as to adapt to the inclination of the scale 3.
- the first and second holding elements 7, 9 each comprise a reception space 41, 42 intended to receive an upright 3a, 3b respectively of the ladder 3.
- the reception space 41 being delimited by at least one external stop 43, 45 of each of the first and second holding elements 7, 9.
- the external stops, 43, 45 extend substantially parallel to the support plane PA.
- the reception spaces 41, 42 are therefore arranged between the support plane PA and the external stops 43, 45 respectively.
- the reception spaces 41, 42 are arranged between the central plate 21 and the external stops 43, 45 respectively.
- the external stops 43, 45 are therefore intended to retain the ladder against the surface S, in a retaining direction Y.
- the first and second holding elements 7, 9 also each comprise an internal stop 47, 49, arranged facing the external stop.
- the first and second holding elements each comprise a clamping portion 51, 53 disposed between the internal abutment 47, 49 and the external abutment 43, 45.
- the first and second mounting elements 7, 9 here have a U-shape
- the internal and external stops 47, 49, 43, 45 correspond to the side bars of the U and the clamping portions 51, 53 correspond to the central bar of the U.
- the space 41 for receiving the first holding element 7 is formed by the external abutment 43, the internal abutment 47 and the clamping portion 51.
- the receiving space 42 of the second holding element 9 is formed by the external abutment 43, the internal abutment 47 and the clamping portion 51.
- the spacing between the first and second holding elements 7, 9 is therefore measured between the clamping portions 51, 53.
- the first and second holding elements 7, 9 are mounted on the structure 5 via a connection possessing at least one degree of freedom of translation, preferably at least two degrees of freedom of translation, and at least a rotational degree of freedom.
- the first and second holding elements 7, 9 are each configured to pivot around an axis extending along a support direction Z substantially perpendicular to the retaining direction Y and to the tightening direction X and / or along an axis substantially parallel to the retaining direction Y.
- the first and second retaining elements 7, 9 can be mounted on the structure 5 via a connection of the planar type, of the ball-and-socket type or even of the point type.
- the first and second holding elements 7, 9 are movable in translation relative to the structure 5 along at least one direction transverse to the clamping direction X, preferably along the retaining direction Y.
- the position of the first and second holding elements 7, 9 with respect to the structure 5 can be adapted, for example, to the distance between the ladder 3 and the surface S.
- the first portion 11 comprises a first bore 67 allowing the mounting of the first mounting element 7 on the first portion 11; and the second portion 13 comprises a second bore allowing the mounting of the second mounting element 9 on the second portion 13.
- the first and second bores 67 may be oblong in shape, as shown in figure 7 or cross-shaped as shown in figure 8 .
- the first and second bores 67 of oblong shape extend along the retaining direction Y.
- the fixing element 39 of the first holding element 7 is here inserted into the through hole of the first holding element 7, and in the first bore 67.
- the holding device 1 can comprise a first blocking member, such as a nut, of the first holding element 7 in the first bore 67 so as to block the movement of the first holding element 7 with respect to the first portion 11 of the structure 5. This description applies to the second holding element 9 and to the second portion 13.
- the first and second holding elements 7, 9 can be moved independently of each other relative to the structure 5.
- first and second bores are made in the first and second holding elements 7, 9, instead of being made in the first and second portions 11, 13.
- the holding device can be provided in a kit, further comprising at least another set of first and second holding elements having different dimensions, in particular the distance between the internal stop 47, 49 and the external stop 43, 45 respectively.
- the holding elements are chosen to be mounted on the structure 5 according to their dimensions, corresponding to the dimensions of the uprights 3a, 3b of the ladder 3 to be held.
- the figures 11 and 12 represent one of the holding elements 7', 9', 7", 9" other pairs of first and second holding elements.
- the first and second holding elements 7, 9 can be dismantled and replaced by another pair of holding elements 7', 9', 7", 9".
- the distance between the internal and external stops 43, 45, 47, 49 of a first pair of holding elements 7, 9 is approximately 70mm; the distance between the internal and external stops of a second pair of holding elements 7', 9' is approximately 50mm and the distance between the internal and external stops of a third pair of holding elements 7", 9" is about 90mm.
- the distance between the internal abutment 47, 49 and the external abutment 43, 45 of a holding element can be variable.
- the first and second retaining elements 7, 9 can comprise two portions 71, 73 that are movable relative to each other so as to separate or tighten the internal stop and the external stop.
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Description
Le présent exposé se rapporte à un dispositif de maintien configuré pour maintenir une échelle contre une surface, telle qu'une paroi d'un coffrage, d'un conteneur, ou d'une remorque.This disclosure relates to a holding device configured to hold a ladder against a surface, such as a wall of a formwork, a container, or a trailer.
Généralement, lorsqu'un opérateur doit monter à l'échelle, un autre opérateur tient l'échelle de façon à éviter que l'opérateur travaillant sur l'échelle ne tombe. Sur un chantier, cela résulte en une perte d'efficacité, car deux opérateurs sont nécessaires lorsqu'une échelle est utilisée. Dans certains cas, des dispositifs de sécurité permettant d'empêcher le glissement de l'échelle sont utilisés : le document
Il existe donc un besoin pour un dispositif de maintien d'une échelle simple, léger et avec un faible encombrement et adaptable à plusieurs secteurs d'activité.There is therefore a need for a device for holding a ladder that is simple, light and with a small footprint and adaptable to several sectors of activity.
Le présent exposé se rapporte à un dispositif de maintien selon la revendication 1, configuré pour maintenir une échelle contre une surface. Un tel dispositif de maintien comprend notamment :
- une structure définissant un plan destiné à être disposé face à la surface ;
- au moins un élément de montage permettant le montage de la structure sur la surface;
- un premier élément de maintien et un deuxième élément de maintien configurés pour coopérer avec l'échelle de façon à maintenir l'échelle contre la surface, les premier et deuxième éléments de maintien étant montés sur la structure et étant disposés face à face selon une direction de serrage, les premier et deuxième éléments de maintien étant configurés pour être déplacés l'un par rapport à l'autre selon la direction de serrage de façon à être écartés ou resserrés,
- a structure defining a plane intended to be disposed facing the surface;
- at least one mounting element for mounting the structure to the surface;
- a first holding element and a second holding element configured to cooperate with the ladder so as to hold the ladder against the surface, the first and second holding elements being mounted on the structure and being arranged facing each other in a direction clamp, the first and second holding elements being configured to be moved relative to each other in the tightening direction so as to be spaced apart or tightened,
Grâce à ces dispositions, le dispositif de maintien est apte à maintenir l'échelle par rapport à une surface et ainsi sécuriser les opérations d'un utilisateur lorsque celui monte à l'échelle. Le dispositif de maintien permet ainsi d'éviter le concours d'un autre utilisateur pour tenir l'échelle. Le dispositif de maintien est ainsi simple d'utilisation, léger et a un faible encombrement.Thanks to these arrangements, the holding device is able to hold the ladder relative to a surface and thus secure the operations of a user when he climbs the ladder. The holding device thus makes it possible to avoid the help of another user to hold the ladder. The holding device is thus easy to use, lightweight and has a small footprint.
On comprend que l'au moins un élément de montage permet une adhérence ou une fixation à la surface ayant une résistance aux efforts suffisamment forte pour garantir la stabilité de l'échelle contre la surface.It is understood that the at least one mounting element allows adhesion or attachment to the surface having a sufficiently strong resistance to forces to guarantee the stability of the ladder against the surface.
On comprend que les premier et deuxième éléments de maintien se déplacent l'un par rapport à l'autre en translation selon la direction de serrage.It is understood that the first and second holding elements move relative to each other in translation along the tightening direction.
On comprend que les premier et deuxième éléments de maintien sont configurés pour s'éloigner ou se rapprocher pour serrer une portion de l'échelle. Les premier et deuxième éléments de maintien forment ainsi une mâchoire.It is understood that the first and second holding elements are configured to move away from or approach each other to grip a portion of the ladder. The first and second holding elements thus form a jaw.
Par exemple, la surface est sensiblement verticale, ou inclinée par rapport à la verticale. De préférence, l'inclinaison de la surface par rapport à la verticale est inférieure à 20°.For example, the surface is substantially vertical, or inclined with respect to the vertical. Preferably, the inclination of the surface relative to the vertical is less than 20°.
Selon un mode de réalisation, le dispositif de maintien comprend une pluralité d'éléments de montage, répartis sur la structure de façon à assurer une répartition équitable des efforts sur le dispositif de maintien.According to one embodiment, the holding device comprises a plurality of mounting elements, distributed over the structure so as to ensure an equitable distribution of the forces on the holding device.
Par exemple, l'écartement maximum entre les premier et deuxième éléments de maintien est compris entre 280 mm et 600 mm, et de préférence entre 290 mm et 480 mm.For example, the maximum spacing between the first and second holding elements is between 280 mm and 600 mm, and preferably between 290 mm and 480 mm.
Dans certains modes de réalisation, les premier et deuxième éléments de maintien sont amovibles, autrement dit, aptes et destinés à être démontés de la structure.In some embodiments, the first and second holding elements are removable, in other words, suitable and intended to be dismantled from the structure.
Selon l'invention, les premier et deuxième éléments de maintien comprennent chacun un espace de réception destiné à recevoir un montant de l'échelle, l'espace de réception étant délimité par au moins une butée destinée à retenir l'échelle contre la surface, dans une direction de retenue, normale au plan d'appui.According to the invention, the first and second holding elements each comprise a reception space intended to receive a amount of the ladder, the reception space being delimited by at least one abutment intended to retain the ladder against the surface, in a retaining direction normal to the support plane.
Ainsi, l'échelle est maintenue contre la surface, entre les premier et deuxième éléments de maintien.Thus, the ladder is held against the surface, between the first and second holding elements.
Dans certains modes de réalisation, les premier et deuxième éléments de maintien sont configurés pour pivoter chacun autour d'un axe s'étendant selon la direction de serrage.In some embodiments, the first and second holding elements are configured to each pivot around an axis extending along the tightening direction.
Ainsi, les premier et deuxième éléments de maintien sont aptes à pivoter de façon à s'adapter à l'inclinaison de l'échelle par rapport à la surface.Thus, the first and second holding elements are capable of pivoting so as to adapt to the inclination of the ladder with respect to the surface.
On comprend que les premier et deuxième éléments de maintien sont aptes à pivoter indépendamment l'un de l'autre.It is understood that the first and second holding elements are capable of pivoting independently of one another.
Dans certains modes de réalisation, les premier et deuxième éléments de maintien sont configurés pour pivoter chacun autour d'au moins un axe transversal à la direction de serrage.In some embodiments, the first and second holding elements are configured to each pivot about at least one axis transverse to the tightening direction.
Dans certains modes de réalisation, les premier et deuxième éléments de maintien sont montés sur la structure via une liaison possédant au moins un degré de liberté de translation, de préférence au moins deux degrés de liberté de translation, et au moins un degré de liberté de rotation. Cette liaison peut par exemple être du type plan, du type rotule ou encore du type ponctuel.In certain embodiments, the first and second holding elements are mounted on the structure via a connection having at least one degree of freedom of translation, preferably at least two degrees of freedom of translation, and at least one degree of freedom of spin. This connection can for example be of the flat type, of the ball joint type or even of the point type.
Par exemple, les premier et deuxième éléments de maintien sont configurés pour pivoter chacun autour d'un axe s'étendant selon une direction d'appui sensiblement perpendiculaire à la direction de retenue et à la direction de serrage et / ou selon un axe sensiblement parallèle à la direction de retenue.For example, the first and second holding elements are configured to each pivot around an axis extending along a bearing direction substantially perpendicular to the retaining direction and to the clamping direction and/or along an axis substantially parallel to the retaining direction.
Dans certains modes de réalisation, les premier et deuxième éléments de maintien sont mobiles en translation par rapport à la structure selon au moins une direction transversale à la direction de serrage, de préférence selon une direction de retenue sensiblement normale au plan d'appui.In some embodiments, the first and second holding elements are movable in translation relative to the structure in at least one direction transverse to the clamping direction, preferably in a retaining direction substantially normal to the support plane.
Ainsi, la position des premier et deuxième éléments de maintien par rapport à la structure peut s'adapter par exemple à la distance entre l'échelle et la surface.Thus, the position of the first and second holding elements relative to the structure can be adapted for example to the distance between the ladder and the surface.
Par exemple, le premier élément de maintien comprend un premier alésage ; et le deuxième élément de maintien comprend un deuxième alésage permettant le déplacement en translation des éléments de maintien par rapport à la structure.For example, the first holding element comprises a first bore; and the second retaining element comprises a second bore allowing the translational movement of the retaining elements relative to the structure.
Les premier et deuxième alésages peuvent être de forme oblongue ou en forme de croix.The first and second bores may be oblong or cross-shaped.
Par exemple les premier et deuxième alésages de forme oblongue s'étendent selon la direction de retenue.For example, the first and second oblong-shaped bores extend along the retaining direction.
Dans cet exemple, deux axes, tel que des tiges ou des vis, fixés à ou montés sur la structure sont chacun configurés pour être insérés dans l'un des premier et deuxième alésages.In this example, two pins, such as rods or screws, fixed to or mounted on the structure are each configured to be inserted into one of the first and second bores.
Dans certains modes de réalisation, le dispositif de maintien comprend des organes de blocage des premier et deuxième éléments de maintien par rapport à la structure. Les organes de blocage peuvent être des rondelles de blocage ou des écrous.In certain embodiments, the holding device comprises members for blocking the first and second holding elements with respect to the structure. The locking members can be lock washers or nuts.
Selon une variante, la structure comprend le premier alésage pour le montage du premier élément de maintien et le deuxième alésage pour le montage du deuxième élément de maintien. Dans ce cas, les axes sont fixés aux ou montés sur les premier et deuxième éléments de maintien respectivement.According to a variant, the structure comprises the first bore for mounting the first holding element and the second bore for mounting the second holding element. In this case, the axes are fixed to or mounted on the first and second holding elements respectively.
Dans certains modes de réalisation, la structure comprend une première portion et une deuxième portion, les première et deuxième portions étant reliées l'une à l'autre via une liaison glissière.In certain embodiments, the structure comprises a first portion and a second portion, the first and second portions being connected to each other via a sliding connection.
Dans certains modes de réalisation, le premier élément de maintien est monté sur la première portion et le deuxième élément de maintien est monté sur la deuxième portion.In some embodiments, the first holding element is mounted on the first portion and the second holding element is mounted on the second portion.
Ainsi, l'écartement ou le resserrage des premier et deuxième éléments de maintien est aisé et rapide.Thus, the separation or re-tightening of the first and second holding elements is easy and quick.
Par exemple, la structure comprend au moins un axe de réglage.For example, the structure comprises at least one adjustment axis.
Par exemple, au moins une portion de la structure parmi les première et deuxième portions comprend au moins un orifice traversant ou un palier, dans lequel l'au moins un axe de réglage est configuré pour coulisser. L'axe de réglage et l'orifice traversant ou le palier forment la liaison glissière.For example, at least one portion of the structure among the first and second portions comprises at least one through hole or a bearing, in which the at least one adjustment axis is configured to slide. The adjustment pin and the through hole or the bearing form the sliding connection.
Dans certains modes de réalisation, chacune des première et deuxième portions comprend au moins un élément de montage.In some embodiments, each of the first and second portions includes at least one mounting element.
Dans certains modes de réalisation, chacune des première et deuxième portions coopère avec un ou plusieurs élément(s) de montage de façon à répartir les efforts sur les éléments de montage.In certain embodiments, each of the first and second portions cooperates with one or more assembly element(s) so as to distribute the forces on the assembly elements.
Dans certains modes de réalisation, l'au moins un élément de montage comprend au moins un élément d'adhérence, de préférence un élément magnétique.In some embodiments, the at least one mounting element includes at least one adhesion element, preferably a magnetic element.
Ainsi, le dispositif de maintien est destiné à adhérer à la surface, ce qui permet un montage simple du dispositif de maintien sur la surface.Thus, the holding device is intended to adhere to the surface, which allows simple mounting of the holding device on the surface.
On entend par élément magnétique, par exemple un aimant permanent.By magnetic element is meant, for example, a permanent magnet.
Dans certains modes de réalisation, l'élément d'adhérence a une force d'adhérence au moins égale à 2500 N, de préférence au moins égale à 3000 N.In certain embodiments, the adhesion element has an adhesion force at least equal to 2500 N, preferably at least equal to 3000 N.
Ainsi, la force d'adhérence de l'élément d'adhérence est suffisamment élevée pour éviter le désengagement de la structure de la surface.Thus, the adhesion force of the adhesion element is high enough to prevent disengagement of the structure from the surface.
Dans un mode de réalisation où chacune des première et deuxième portions de la structure comprend un élément d'adhérence, les forces d'adhérence des éléments d'adhérence peuvent au total atteindre au moins 2500 N.In an embodiment where each of the first and second portions of the structure comprises an adhesion element, the adhesion forces of the adhesion elements can in total reach at least 2500 N.
Dans certains modes de réalisation, le dispositif de maintien comprend un élément de blocage configuré pour maintenir un écartement déterminé entre les premier et deuxième éléments de maintien.In certain embodiments, the holding device comprises a blocking element configured to maintain a determined spacing between the first and second holding elements.
Ainsi, la translation entre les premier et deuxième éléments de maintien dans la direction de serrage peut être bloquée.Thus, the translation between the first and second holding elements in the clamping direction can be blocked.
Le présent exposé se rapporte en outre à un kit comprenant:
- un dispositif de maintien selon l'un des modes de réalisation précédents, dans lequel les premier et deuxième éléments de maintien comprennent chacun deux butées, disposées face à face selon une direction de retenue, à une première distance prédéterminée l'une de l'autre,
- au moins une autre paire d'éléments de maintien comprenant chacun deux butées, disposées face à face selon la direction de retenue, à une deuxième distance prédéterminée l'une de l'autre, différente de la première distance.
- a holding device according to one of the preceding embodiments, in which the first and second holding elements each comprise two abutments, arranged face to face in a holding direction, at a first predetermined distance from each other ,
- at least one other pair of holding elements each comprising two abutments, arranged face to face in the retaining direction, at a second predetermined distance from each other, different from the first distance.
Ainsi, les éléments de maintien sont choisis pour être montés sur la structure en fonction de leurs dimensions, correspondant aux dimensions des montants de l'échelle à maintenir.Thus, the holding elements are chosen to be mounted on the structure according to their dimensions, corresponding to the dimensions of the uprights of the ladder to be held.
Par exemple, la première distance est d'au moins 20 mm, et de préférence d'au moins 30 mm, et la deuxième distance est inférieure à 90 mm, et de préférence inférieure à 80 mm.For example, the first distance is at least 20 mm, and preferably at least 30 mm, and the second distance is less than 90 mm, and preferably less than 80 mm.
Le présent exposé se rapporte en outre à un ensemble comprenant un dispositif de maintien conforme à au moins l'un des modes de réalisation précédents, et une échelle montée dans les éléments de maintien.This description also relates to an assembly comprising a holding device in accordance with at least one of the preceding embodiments, and a ladder mounted in the holding elements.
L'invention et ses avantages seront mieux compris à la lecture de la description détaillée faite ci-après de différents modes de réalisation de l'invention donnés à titre d'exemples non limitatifs. Cette description fait référence aux pages de figures annexées, décrites ci-après.
- [
Fig. 1 ] Lafigure 1 représente une vue d'un dispositif de maintien retenant une échelle contre une surface. - [
Fig. 2 ] Lafigure 2 représente une vue en perspective du dispositif de maintien. - [
Fig. 3 ] Lafigure 3 représente une vue éclatée du dispositif de maintien. - [
Fig. 4 ] Lafigure 4 représente une vue de face du dispositif de maintien. - [
Fig. 5 ] Lafigure 5 représente une vue en perspective d'une portion du dispositif de maintien comprenant un élément de blocage. - [
Fig. 6 ] Lafigure 6 représente une vue de dessus d'une portion du dispositif de maintien comprenant un élément de blocage. - [
Fig. 7-8 ] Lesfigures 7 et 8 représentent des variantes de réalisation des première et deuxième portions de la structure. - [
Fig. 9-10 ] Lesfigures 9 et 10 représentent des variantes de réalisation des premier et deuxième éléments de maintien. - [
Fig. 11-13 ] Lesfigures 11, 12 représentent des éléments de maintien dont la distance entre deux butées selon la direction de retenue est différente. Lafigure 13 représente une variante de réalisation d'un élément de maintien.
- [
Fig. 1 ] Thefigure 1 shows a view of a holding device holding a ladder against a surface. - [
Fig. 2 ] Thefigure 2 shows a perspective view of the holding device. - [
Fig. 3 ] Thepicture 3 shows an exploded view of the holding device. - [
Fig. 4 ] Thefigure 4 shows a front view of the holding device. - [
Fig. 5 ] Thefigure 5 shows a perspective view of a portion of the holding device comprising a locking element. - [
Fig. 6 ] Thefigure 6 shows a top view of a portion of the holding device comprising a locking element. - [
Fig. 7-8 ] Thefigures 7 and 8 represent alternative embodiments of the first and second portions of the structure. - [
Fig. 9-10 ] Thefigures 9 and 10 represent alternative embodiments of the first and second holding elements. - [
Fig. 11-13 ] Thefigures 11, 12 represent retaining elements whose distance between two abutments in the retaining direction is different. Thefigure 13 represents an alternative embodiment of a holding element.
La
La structure 5 comprend des moyens permettant d'écarter ou de resserrer les premier et deuxième éléments de maintien 7, 9 en fonction de la largeur de l'échelle 3. Pour cela, dans le mode de réalisation représenté, la structure 5 comprend une première portion 11 et une deuxième portion 13, reliées l'une à l'autre via une liaison glissière. La liaison glissière est formée par au moins un axe de réglage, ici deux axes de réglage 15, 17 afin de renforcer la solidité de la liaison glissière. Les première et deuxième portions 11, 13 sont configurées pour coopérer avec les axes de réglage 15, 17.The
La première portion 11 sera décrite ci-dessous et les éléments décrits porteront une référence numérique suivie de la lettre A. Cette description s'applique par analogie à la deuxième portion 9, dont les éléments portent les mêmes références numériques suivies de la lettre B. Les première et deuxième portions 11, 13, se font face. Autrement dit, les première et deuxième portions 11, 13 sont disposées de manière symétrique, ou en miroir.The
Comme représenté sur la
Chacun des axes de réglage 15, 17, comprend à ses extrémités une butée 15A, 15B, 17A, 17B, respectivement, de façon à maintenir les première et deuxième portions 11, 13 de la structure 5 sur les axes 15, 17. Dans ce mode de réalisation, les butées 15A, 15B, 17A, 17B sont des rondelles ayant un diamètre supérieur au diamètre des orifices traversants 28Aa, 28Ab, 28Ba, 28Bb respectivement. Les butées 15A, 15B, 17A, 17B sont ici fixées à chacune des extrémités des axes de réglage 15, 17 respectivement, via des vis 16, configurées pour coopérer avec un alésage ménagé dans chacune des extrémités des axes de réglage 15, 17. Bien entendu, les butées et leurs moyens de fixation sur les axes de réglage peuvent être réalisés par tout moyen connu de l'homme du métier.Each of the adjustment axes 15, 17 comprises at its ends a
La partie de montage 19A est disposée dans le prolongement de la plaque latérale 23A et est sensiblement parallèle à la plaque latérale 25A. La partie de montage 19A est donc sensiblement perpendiculaire à la plaque centrale 27A. La première portion 11 comprend en outre un renfort 29A disposé à l'angle formé par la plaque latérale 23A et la plaque centrale 27A. Le renfort 29 est ici formé par une plaque sensiblement perpendiculaire à la plaque latérale 23A et à la plaque centrale 27A, ayant une forme triangulaire. Toutefois, le renfort 29A peut être formé par tout autre moyen connu de l'homme du métier, par exemple une tige.The mounting
Le dispositif de maintien 1 comprend également au moins un élément de montage 31 de la structure 5 sur la surface S. Dans ce mode de réalisation, le dispositif de maintien 1 comprend huit éléments de montage 31 comme représenté en
Les éléments de montage 31 permettent ici à la structure d'adhérer à la surface S. Ainsi, chacun des éléments de montage 31 comprend ici un élément magnétique. Les éléments magnétiques sont par exemple des aimants permanents.The mounting
Les éléments de montage 31 ont, de préférence, une force d'adhérence suffisante pour pouvoir maintenir l'échelle lorsqu'un utilisateur y est monté. Dans l'exemple de réalisation représenté, chacun des éléments de montage 31 a une force d'adhérence d'environ 390 N. Ainsi, la force d'adhérence totale des éléments de montage est de 3120 N. La force d'adhérence des éléments de montage 31 est suffisamment élevée pour éviter le désengagement de la structure 5 de la surface S.The mounting
Les premier et deuxième éléments de maintien 7, 9 sont montés sur la structure et sont disposés face à face selon une direction de serrage X. Le premier élément de maintien 7 étant monté sur la première portion 11, plus précisément sur la partie de montage 19A de la première portion 11. Le deuxième élément de maintien 9 est monté sur la deuxième portion 13 et plus particulièrement sur la partie de montage 19B de la deuxième portion 13.The first and
Dans l'exemple de réalisation représenté, le premier élément de maintien 7 comprend un orifice traversant 35. La partie de montage 19A de la première portion 11 comprend également un orifice traversant 37. Les orifices traversants 35, 37 sont configurés pour être alignés. Un élément de fixation 39 tel qu'une vis ou une tige est configuré pour s'insérer dans les orifices traversants 35, 37 de façon à fixer de manière amovible le premier élément de maintien 7 sur la partie de montage 19A de la première portion 11. Cette description s'applique par analogie au deuxième élément de maintien 9, monté sur la deuxième portion 13.In the exemplary embodiment shown, the
Les premier et deuxième éléments de maintien sont amovibles, autrement dit, aptes et destinés à être démontés de la structure.The first and second holding elements are removable, in other words, able and intended to be dismantled from the structure.
Les premier et deuxième éléments de maintien 7, 9 sont configurés pour être déplacés l'un par rapport à l'autre selon la direction de serrage X de façon à être écartés ou resserrés. Les premier et deuxième éléments de maintien 7, 9 se déplacent l'un par rapport à l'autre en translation selon la direction de serrage X. En effet, en fonction de la largeur de l'échelle 3, l'opérateur peut écarter ou resserrer les première et deuxième portions 11, 13 pour insérer l'échelle 3 entre les premier et deuxième éléments de maintien 7, 9. Les premier et deuxième éléments de maintien 7, 9 forment ainsi une mâchoire. Par exemple, l'écartement maximum entre les premier et deuxième éléments de maintien 7, 9 est compris entre 280 mm et 600 mm, et de préférence entre 290 mm et 480 mm. Les
Selon une variante représentée en
Dans l'exemple représenté, l'élément de blocage 60 est une plaque comprenant deux orifices traversants 61, 63 destinés à coopérer avec les axes de réglage 15, 17 de la structure 5. Lorsque l'élément de blocage 60 s'étend selon un plan sensiblement perpendiculaire au plan d'appui PA et aux axes de réglage 15, 17, les axes de réglage 15, 17 peuvent coulisser librement dans les première et deuxième portions 11, 13. Lorsque l'élément de blocage 60 s'étend selon un plan sensiblement incliné par rapport au plan d'appui PA, les bordures des orifices traversants 61, 63 viennent au contact des axes de réglage 15, 17 et les bloquent. L'élément de blocage 60 peut comprendre un moyen de retenue dans la position inclinée.In the example shown, the blocking
Un jeu positif existant entre les orifices traversants 35, 37 et l'élément de fixation 39, le premier élément de maintien 7 est apte à pivoter autour d'un axe s'étendant selon la direction de serrage X de façon à s'adapter à l'inclinaison de l'échelle 3. De la même manière, le deuxième élément de maintien 9 est apte à pivoter autour d'un axe s'étendant selon la direction de serrage X de façon à s'adapter à l'inclinaison de l'échelle 3.A positive play existing between the through-
Les premier et deuxième éléments de maintien 7, 9 comprennent chacun un espace de réception 41, 42 destiné à recevoir un montant 3a, 3b respectivement de l'échelle 3. L'espace de réception 41 étant délimité par au moins une butée externe 43, 45 de chacun des premier et deuxième éléments de maintien 7, 9. Les butées externes, 43, 45 s'étendent sensiblement parallèlement au plan d'appui PA. Les espaces de réception 41, 42 sont donc disposés entre le plan d'appui PA et les butées externes 43, 45 respectivement. Les espaces de réception 41, 42 sont disposés entre la plaque centrale 21 et les butées externes 43, 45 respectivement. Les butées externes 43, 45 sont donc destinées à retenir l'échelle contre la surface S, selon une direction de retenue Y. Dans le mode de réalisation représenté les premier et deuxième éléments de maintien 7, 9 comprennent également chacun une butée interne 47, 49, disposée face à la butée externe. Les premier et deuxième éléments de maintien comprennent chacun une portion de serrage 51, 53 disposée entre la butée interne 47, 49 et la butée externe 43, 45. Ainsi, les premier et deuxième éléments de montage 7, 9 ont ici une forme de U. Les butées internes et externes 47, 49, 43, 45 correspondent aux barres latérales du U et les portions de serrage 51, 53 correspondent à la barre centrale du U. L'espace de réception 41 du premier élément de maintien 7 est formé par la butée externe 43, la butée interne 47 et la portion de serrage 51. De la même manière, l'espace de réception 42 du deuxième élément de maintien 9 est formé par la butée externe 43, la butée interne 47 et la portion de serrage 51.The first and
L'écartement entre les premier et deuxième éléments de maintien 7, 9 est donc mesuré entre les portions de serrage 51, 53.The spacing between the first and
Selon un mode de réalisation alternatif, les premier et deuxième éléments de maintien 7, 9 sont montés sur la structure 5 via une liaison possédant au moins un degré de liberté de translation, de préférence au moins deux degrés de liberté de translation, et au moins un degré de liberté de rotation. Par exemple, les premier et deuxième éléments de maintien 7, 9 sont configurés pour pivoter chacun autour d'un axe s'étendant selon une direction d'appui Z sensiblement perpendiculaire à la direction de retenue Y et à la direction de serrage X et / ou selon un axe sensiblement parallèle à la direction de retenue Y. Ainsi, les premier et deuxième éléments de maintien 7, 9 peuvent être montés sur la structure 5 via une liaison du type plan, du type rotule ou encore du type ponctuel.According to an alternative embodiment, the first and
Selon un exemple de réalisation alternatif, les premier et deuxième éléments de maintien 7, 9 sont mobiles en translation par rapport à la structure 5 selon au moins une direction transversale à la direction de serrage X, de préférence selon la direction de retenue Y. Ainsi, la position des premier et deuxième éléments de maintien 7, 9 par rapport à la structure 5 peut s'adapter par exemple à la distance entre l'échelle 3 et la surface S.According to an alternative embodiment, the first and
Pour cela, selon une première variante représentée en
Les premier et deuxième alésages 67 peuvent être de forme oblongue, comme représenté en
Les premier et deuxième alésages 67 de forme oblongue s'étendent selon la direction de retenue Y.The first and
L'élément de fixation 39 du premier élément de maintien 7 est ici inséré dans l'orifice traversant du premier élément de maintien 7, et dans le premier alésage 67. Le dispositif de maintien 1 peut comprendre un premier organe de blocage, tel qu'un écrou, du premier élément de maintien 7 dans le premier alésage 67 de façon à bloquer le déplacement du premier élément de maintien 7 par rapport à la première portion 11 de la structure 5. Cette description s'applique au deuxième élément de maintien 9 et à la deuxième portion 13.The fixing
Les premier et deuxième éléments de maintien 7, 9 peuvent être déplacés indépendamment l'un de l'autre par rapport à la structure 5.The first and
Selon une variante, représentée en
Dans un autre mode de réalisation, le dispositif de maintien peut être fourni dans un kit, comprenant en outre au moins un autre jeu de premier et deuxième éléments de maintien ayant des dimensions différentes, en particulier la distance entre la butée interne 47, 49 et la butée externe 43, 45 respectivement. Ainsi, les éléments de maintien sont choisis pour être montés sur la structure 5 en fonction de leurs dimensions, correspondant aux dimensions des montants 3a, 3b de l'échelle 3 à maintenir. Les
Selon une variante représentée en
Bien que la présente invention ait été décrite en se référant à des modes de réalisation spécifiques, il est évident que des modifications et des changements peuvent être effectués sur ces exemples sans sortir de la portée générale de l'invention telle que définie par les revendications. Par conséquent, la description et les dessins doivent être considérés dans un sens illustratif plutôt que restrictif.Although the present invention has been described with reference to specific embodiments, it is obvious that modifications and changes can be made to these examples without departing from the general scope of the invention as defined by the claims. Accordingly, the description and the drawings should be considered in an illustrative rather than restrictive sense.
Claims (9)
- A holding device (1) configured to hold a ladder (3) against a surface (S), the holding device (1) comprising:- a structure (5) defining a bearing plane (PA) intended to be disposed facing the surface (S);- at least one mounting element (31) allowing the mounting of the structure (5) on the surface (S);- a first holding element (7) and a second holding element (9) configured to cooperate with the ladder (3) so as to hold the ladder (3) against the surface (S), the first and second elements holding elements (7, 9) being mounted on the structure (5) and being disposed facing each other along a clamping direction (X), the first and second holding elements (7, 9) being configured to be moved relative to each other along the clamping direction (X) so as to be moved apart or tightened, thus forming a jaw that allows inserting the ladder (3) between the first and second holding elements (7, 9),wherein each of the first and second holding elements (7, 9) is able to pivot so as to adapt to the inclination of the ladder (3),wherein the structure (5) comprises a first portion (11) and a second portion (13), the first and second portions (11, 13) being connected to each other via a sliding connection, the first holding element (7) being mounted on the first portion (11) and the second holding element (9) being mounted on the second portion (13),wherein the first and second holding elements (7, 9) have a U shape and each comprise a receiving space (41, 42) intended to receive an upright (3a, 3b) of the ladder (3),characterized in that the receiving space (41, 42) is delimited by an outer abutment (43, 45) extending substantially parallel to the bearing plane (PA), intended to hold the ladder (3) against the surface (S), an inner abutment (47, 49), disposed facing the outer abutment (43, 45), and a clamping portion (51, 53) disposed between the inner abutment (47, 49) and the outer abutment (43, 45).
- The holding device (1) according to claim 1, wherein the first and second holding elements (7, 9) are each configured to pivot about an axis extending along the clamping direction (X).
- The holding device (1) according to any of the preceding claims, wherein the first and second holding elements (7, 9) are movable in translation relative to the structure (5) along at least one direction transverse to the clamping direction (X), preferably along a retaining direction (Y) substantially normal to the bearing plane (PA).
- The holding device (1) according to any of the preceding claims, wherein the at least one mounting element (31) comprises at least one adhesion element, preferably a magnetic element.
- The holding device (1) according to claim 4, wherein the adhesion element has an adhesion force at least equal to 2,500 N, preferably at least equal to 3,000 N.
- The holding device (1) according to any of the preceding claims, comprising a blocking element (60) configured to maintain a determined spacing between the first and second holding elements (7, 9).
- The holding device (1) according to claim 6, wherein the blocking element (60) is a plate comprising two through orifices (61) intended to cooperate with two axes of adjustment (15, 17) of the structure (5).
- A kit comprising:- a holding device (1) according to any of the preceding claims,
wherein the first and second holding elements (7, 9) each comprise two abutments (43, 45, 47, 49), disposed facing each other along a retaining direction (Y), at a first predetermined distance from each other,- at least one other pair of holding elements (7', 9', 7", 9") each comprising two abutments, disposed facing each other along the retaining direction, at a second predetermined distance from each other, different from the first distance. - An assembly comprising a holding device (1) according to any of claims 1 to 7, and a ladder (3) mounted between the first and second holding elements (7, 9), the uprights (3a, 3b) of the ladder (3) each being received in a receiving space (41, 42) of one of the holding elements (7, 9).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1900698A FR3092131B1 (en) | 2019-01-25 | 2019-01-25 | Holding device configured to hold a ladder against a surface |
Publications (2)
Publication Number | Publication Date |
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EP3686391A1 EP3686391A1 (en) | 2020-07-29 |
EP3686391B1 true EP3686391B1 (en) | 2022-06-22 |
Family
ID=67810651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP20153420.3A Active EP3686391B1 (en) | 2019-01-25 | 2020-01-23 | Holding device configured for holding a ladder against a surface |
Country Status (2)
Country | Link |
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EP (1) | EP3686391B1 (en) |
FR (1) | FR3092131B1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2993562A (en) * | 1960-11-17 | 1961-07-25 | John J Hussey | Ladder pad |
FR2822889B1 (en) * | 2001-04-03 | 2003-08-29 | Guy Verstraete | ADJUSTABLE LADDER SUPPORT |
EP1087098B1 (en) * | 1999-09-24 | 2004-06-09 | Dimos, Société Anonyme | Safety device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4484954B1 (en) * | 2009-07-24 | 2010-06-16 | 株式会社 鈴木建築 | Universal ladder fixture |
US9347264B2 (en) * | 2011-06-08 | 2016-05-24 | Ladder Safety Magnet, LLC | Ladder stabilizing apparatus for use with ferromagnetic support |
-
2019
- 2019-01-25 FR FR1900698A patent/FR3092131B1/en active Active
-
2020
- 2020-01-23 EP EP20153420.3A patent/EP3686391B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2993562A (en) * | 1960-11-17 | 1961-07-25 | John J Hussey | Ladder pad |
EP1087098B1 (en) * | 1999-09-24 | 2004-06-09 | Dimos, Société Anonyme | Safety device |
FR2822889B1 (en) * | 2001-04-03 | 2003-08-29 | Guy Verstraete | ADJUSTABLE LADDER SUPPORT |
Also Published As
Publication number | Publication date |
---|---|
FR3092131B1 (en) | 2022-06-24 |
EP3686391A1 (en) | 2020-07-29 |
FR3092131A1 (en) | 2020-07-31 |
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