EP3330457B1 - Removable step for a platform - Google Patents

Removable step for a platform Download PDF

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Publication number
EP3330457B1
EP3330457B1 EP17201667.7A EP17201667A EP3330457B1 EP 3330457 B1 EP3330457 B1 EP 3330457B1 EP 17201667 A EP17201667 A EP 17201667A EP 3330457 B1 EP3330457 B1 EP 3330457B1
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EP
European Patent Office
Prior art keywords
platform
bearing portion
bracket
face
degree
Prior art date
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Application number
EP17201667.7A
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German (de)
French (fr)
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EP3330457A1 (en
Inventor
Jean-Paul Benard
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.)
CDH Group SAS
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CDH Group SAS
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Publication of EP3330457A1 publication Critical patent/EP3330457A1/en
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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
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/10—Steps or ladders specially adapted for scaffolds
    • 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
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/28—Scaffolds primarily resting on the ground designed to provide support only at a low height
    • E04G1/30—Ladder scaffolds
    • E04G2001/302—Ladder scaffolds with ladders supporting the platform
    • E04G2001/305—The ladders being vertical and perpendicular to the platform
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/14—Holders for pails or other equipment on or for ladders
    • E06C7/143—Holders for pails or other equipment on or for ladders specially adapted to be inserted into the end of a hollow rung
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
    • E06C9/02—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes rigidly mounted
    • E06C9/04—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes rigidly mounted in the form of climbing irons or the like

Definitions

  • a person climbing on the floor of the platform climbs on one of the two supports, by an external lateral side of the platform, then goes around the guardrail, blocking the possibility of him climbing on the floor by the respective edge of said support, so that the individual finds himself in a position of precarious balance, having his feet arranged on either side of the support and retaining a large part of his weight with the sole force of his arms.
  • a second objective is to offer such a removable degree.
  • a third objective is to provide such a degree, simple to manufacture.
  • Such a degree thus facilitates the ascent of an individual on a platform.
  • This degree is removable, allowing it to be moved on the platform and quickly removed from it.
  • the degree is also simple to manufacture.
  • a platform integrating a support, this support comprising an upright defining an external longitudinal side of the platform and a bar, the platform also comprising a degree as presented above.
  • a platform 1 is represented, comprising a degree 2.
  • the platform 1 comprises two supports 3, arranged on either side of a floor 4.
  • the supports 3 support the floor 4 in a substantially horizontal position, at a predetermined height.
  • the floor 4 is thus intended to support an individual, allowing him to perform work at height, or facilitating access to height.
  • Each support 3 comprises bars 5 and two uprights 6, to which the bars 5 are fixed .
  • the bars 5 are fixed substantially perpendicular to the uprights 6 and are arranged substantially equidistant from each other, so as to form a ladder.
  • the uprights 6 comprise openings 7, through which the bars 5 pass.
  • uprights 6 include more lights 7 than bars 5.
  • the bars 5 are solid, include a cavity in their center or are preferably hollow.
  • each support 3 comprises a single bar 5 or a plate replacing the bars 5 or even only an upright 6.
  • the floor 4 of the platform 1 comprises for example two joists 8 resting on one of the bars 5 of the supports 3. According to an example not shown, the joists 8 are fixed to the uprights 6 of the supports 3.
  • the floor 4 also comprises a board 9 resting on the joists 8. According to an example not shown, the floor 4 only comprises the board 9, directly fixed to the bars 5 or to the uprights 6 of the supports 3.
  • the platform 1 thus forms a device comprising an upright 6 fitted with lights 7 and allowing work to be carried out at height or to facilitate access at height.
  • the platform 1 has two outer lateral sides 10 , each substantially parallel to the bars 5 of one of the supports 3.
  • the platform 1 also has two outer longitudinal sides 11 , substantially perpendicular to the outer lateral sides 10 , defined in part by the uprights 6 of the brackets 3.
  • platform 1 is illustrated in dotted lines on the figure 1 , 3 , 5 , 6 , 8, 9 and 10 .
  • Step 2 when held to one of the supports 3 of the platform 1, protrudes from one of the outer longitudinal sides 11 thereof.
  • the support portion 12 , the support portion 13 and the holding portion 14 are integral.
  • the support portion 12 , the support portion 13 and the holding portion 14 are independent parts, assembled together.
  • the support portion 12 and the support portion 13 form a single piece, or step 2 is a single piece.
  • the support portion 12 is configured to rest on one of the uprights 6 of the support 3 of the platform 1.
  • the support portion 13 is arranged projecting from the outer longitudinal side 11 of the platform 1.
  • the support portion 13 allows an individual to bear on the step 2, helping him to climb on the floor 4 of the platform 1.
  • the holding portion 14 is directly integral with the support portion 12 and the support portion 13 .
  • the retaining portion 14 comprises a front face 15 , a transverse face 16 and a rear face 17 .
  • the front face 15 and the transverse face 16 are integral.
  • the transverse face 16 and the rear face 17 are integral.
  • stage 2 is described assembled on platform 1.
  • the front face 15 , the transverse face 16 and the rear face 17 are preferably substantially parallel to the faces 18 of the upright 6 of the support 3. Such a configuration increases the stress making it possible to maintain the degree 2 in position with respect to the upright 6 .
  • the retaining portion 14 is either disposed below the supporting portion 13 , or substantially at the same level as the supporting portion 13 , or above the supporting portion 13 .
  • the retaining portion 14 when disposed below the supporting portion 13 , makes it possible to increase the degree 2 rotational locking constraint around an axis substantially parallel to the supporting portion 13 of the degree 2.
  • the holding portion 14 when disposed above the support portion 13 , makes it possible to increase the locking stress in translation by degree 2 along an axis substantially parallel to said upright 6 of the support 3.
  • the retaining portion 14 when disposed substantially at the same level as the supporting portion 13 , makes it possible to obtain a compromise between the increase in the rotation locking stress of degree 2 around the axis substantially parallel to the support portion 13 of degree 2 and the increase in the translation locking stress of degree 2, along the axis substantially parallel to said upright 6 of support 3.
  • the support portion 12 and the support portion 13 are aligned. According to an embodiment not shown, the support portion 12 and the support portion 13 form an angle with respect to each other.
  • the support portion 13 is arranged substantially parallel to the floor 4 of the platform 1, so as to provide an individual with stable support for climbing onto the platform 1.
  • the support portion 12 and the support portion 13 have a generally cylindrical shape, with a circular base. According to an embodiment not shown, the support portion 12 and the support portion 13 have different shapes.
  • the support portion 12 rests on one of the uprights 6 so as to enter one of the slots 7 of the upright 6 of the support 3 along a direction defined by a main axis P , substantially perpendicular to the slot 7.
  • the general shape light 7 allows a rotation of degree 2 around the main axis P.
  • the support portion 12 is inserted into a slot 7 through which one of the bars 5 of the support 3 passes .
  • the support 3 increased.
  • the support portion 12 is inserted in a slot 7 through which one of the bars 5 does not pass.
  • the cooperation of the support portion 12 and the light 7 makes it possible to substantially block translations of degree 2, relative to the support 3, to the nearest clearance between the support portion 12 and the light 7, in all perpendicular directions. to the main P axis.
  • the transverse face 16 of the holding portion 14 being substantially in contact with one of the sections 18 of the upright 6, blocks a rotation of degree 2 around the main axis P in one direction.
  • the front face 15 and the rear face 17 of the holding portion 14 block a translation of degree 2 along the main axis P.
  • the face 15 before punctually increases the perimeter of the portion 13 of support.
  • the front face 15 thus reinforces degree 2, which makes it possible to offer increased resistance to an effort exerted by an individual exerting a vertical force on degree 2.
  • the support portion 13 comprises a flat 19.
  • the flat 19 makes it possible to reduce the risk of the individual slipping using degree 2 to climb on the platform 1.
  • the holding portion 14 comprises a return 20 hooking one of the bars 5 of the support 3.
  • the return 20 allows a better holding constraint of degree 2 in its position.
  • the support portion 12 and the support portion 13 of degree 2 form, with respect to each other, an angle.
  • the support portion 12 is arranged to bear on the upright 6 on which the step 2 is mounted, at the level of the external longitudinal side 11 of the platform 1.
  • the support portion 12 thus blocks a translation of degree 2 in one direction, towards the upright 6, in a direction perpendicular to the direction in which the upright 6 extends.
  • the support portion 12 is preferably arranged substantially parallel to the direction in which the upright 6 extends, which makes it possible to guarantee good contact with the upright 6.
  • the angle defined by the support portion 12 and the support portion 13 is preferably a right angle.
  • the support portion 13 is arranged substantially parallel to the floor 4 of the platform 1, so as to provide an individual with stable support for climbing onto the platform 1.
  • the support portion 12 and the support portion 13 have the general shape of a cylindrical bar. According to an embodiment not shown, the support portion 12 and the support portion 13 have different shapes, for example of a bar with a polygonal section.
  • the transverse face 16 of the holding portion 14 blocks a translation of degree 2, in one direction, in a direction perpendicular to the transverse face 16 .
  • the rear face 17 of the holding portion 14 blocks a translation of degree 2 in one direction, opposite to the direction blocked by the support portion 12 , in the direction perpendicular to the direction in which the post extends 6.
  • the rear face 17 of the retaining portion 14 is in contact with one of the bars 5 of the support 3.
  • the rear face 17 thus blocks a translation of degree 2, in one direction, following a direction substantially parallel to the direction in which the upright 6 extends so that the step 2 does not slide along the said upright 6 when an individual leans on the step 2.
  • the support portion 13 comprises a flat 19.
  • the flat 19 makes it possible to reduce the risk of slipping of the foot of the individual using degree 2 to climb on the platform 1.
  • the holding portion 14 comprises a return 20 hooking one of the bars 5 of the support 3.
  • the return 20 blocks a translation of degree 2, in a direction different from the direction blocked by the transverse face 16 of the holding portion 14 , in the direction perpendicular to the transverse face 16 .
  • the return 20 and the transverse face 16 make it possible, in cooperation, to block a rotation of degree 2 around the axis substantially parallel to the support portion 13 of degree 2.
  • the support portion 12 and the support portion 13 of degree 2 are integrated in a part, of any shape, offering greater resistance to degree 2.
  • Such a degree 2 thus makes it possible to facilitate the ascent of an individual on the floor 4 of the platform 1.
  • This degree 2 is also removable, allowing it to be moved on the uprights 6 or to be quickly dismantled from the platform 1, without requiring specific tools.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ladders (AREA)

Description

L'invention a trait au domaine des dispositifs d'accès et de travail en hauteur comme, par exemple, les échelles, les escabeaux ou les échafaudages, et plus précisément aux moyens facilitant la montée sur de tels dispositifs.The invention relates to the field of devices for access and work at height such as, for example, ladders, stepladders or scaffolding, and more specifically to means facilitating climbing on such devices.

Les échafaudages et les échelles ou escabeaux, aptes à être configurés en plateforme, présentent généralement une forme de U inversé définissant un plancher sensiblement horizontal, solidaire, en deux bords opposés, à des supports assimilables à des échelles, servant à monter sur le plancher.Scaffolding and ladders or stepladders, capable of being configured as a platform, generally have an inverted U-shape defining a substantially horizontal floor, integral, at two opposite edges, with supports similar to ladders, used to climb on the floor.

Ordinairement, la plateforme comprend un garde-corps sur chacun des deux bords opposés.Ordinarily, the platform includes a guardrail on each of the two opposite edges.

Un individu montant sur le plancher de la plateforme grimpe sur un des deux supports, par un côté latéral externe de la plateforme, puis contourne le garde-corps, lui bloquant la possibilité de monter sur le plancher par le bord respectif dudit support, de sorte que l'individu se retrouve dans une position d'équilibre précaire, ayant ses pieds disposés de part et d'autre du support et retenant une grande partie de son poids à la seule force de ses bras.A person climbing on the floor of the platform climbs on one of the two supports, by an external lateral side of the platform, then goes around the guardrail, blocking the possibility of him climbing on the floor by the respective edge of said support, so that the individual finds himself in a position of precarious balance, having his feet arranged on either side of the support and retaining a large part of his weight with the sole force of his arms.

Il est connu de fixer à un des supports un degré, disposé dans le prolongement du côté latéral externe dudit support, en saillie d'un côté longitudinal externe de la plateforme, de sorte que lorsqu'un individu monte sur le plancher de la plateforme, l'individu fait un premier pas sur le degré, lui conférant un bon équilibre pour contourner le garde-corps et permettant de faire reposer son poids sur cette jambe, puis un second pas sur le plancher.It is known to fix to one of the supports a degree, arranged in the extension of the external lateral side of said support, projecting from an external longitudinal side of the platform, so that when an individual climbs on the floor of the platform, the individual takes a first step on the degree, giving him a good balance to get around the guardrail and allowing his weight to rest on this leg, then a second step on the floor.

Un tel degré permet effectivement de réduire la fatigue et le risque de chute d'un individu montant sur un plancher d'une plateforme. Cependant, le degré étant fixé à un des supports ne peut voir son emplacement modifié rapidement et facilement si la hauteur du plancher venait à être modifiée, ou si la plateforme venait à être déplacée, obligeant de monter sur le plancher par l'autre support ou en contournant le garde-corps par l'autre côté du support. US 6752 243 B1 divulgue un degré avec les caractéristiques du préambule des revendications 1 et 2.Such a degree effectively makes it possible to reduce the fatigue and the risk of falling for an individual climbing onto a floor of a platform. However, the degree being fixed to one of the supports cannot see its location modified quickly and easily if the height of the floor were to be modified, or if the platform were to be moved, making it necessary to climb on the floor by the other support or bypassing the guardrail on the other side of the support. US 6752 243 B1 discloses a degree with the features of the preamble of claims 1 and 2.

Un premier objectif est de proposer un degré facilitant une montée sur une plateforme.A first objective is to propose a degree facilitating a climb on a platform.

Un deuxième objectif est de proposer un tel degré, amovible.A second objective is to offer such a removable degree.

Un troisième objectif est de proposer un tel degré, simple de fabrication.A third objective is to provide such a degree, simple to manufacture.

A cet effet, il est proposé, en premier lieu, un degré avec les caractéristiques de la revendication 1 et en second lieu, un degré avec les caractéristiques de la revendication 2.For this purpose, a step with the features of claim 1 is proposed first and a step with the features of claim 2 second.

Un tel degré permet ainsi de faciliter la montée d'un individu sur une plateforme.Such a degree thus facilitates the ascent of an individual on a platform.

Ce degré est amovible, permettant de le déplacer sur la plateforme et de le démonter rapidement de celle-ci.This degree is removable, allowing it to be moved on the platform and quickly removed from it.

Le degré est également simple de fabrication.The degree is also simple to manufacture.

Diverses caractéristiques supplémentaires peuvent être prévues, seules ou en combinaison :

  • la portion d'appui et la portion de soutien sont disposées sensiblement dans le prolongement l'une de l'autre, la portion d'appui étant configurée pour pénétrer dans une lumière du montant, disposée sur le côté longitudinal externe de la plateforme, la lumière pouvant être alignée avec un barreau du support ;
  • la portion d'appui et la portion de soutien forment, l'une par rapport à l'autre, un angle ;
  • l'angle formé par la portion d'appui et la portion de soutien mesure environ 90 degrés ;
  • la portion d'appui et la portion de soutien présentent la forme d'un cylindre ;
  • la portion de soutien comprend un méplat ;
  • la portion de maintien comprend une face avant, une face transversale et une face arrière, la face transversale étant solidaire de la face avant et de la face arrière, et perpendiculaire à celles-ci ;
  • la face avant augmente ponctuellement le périmètre de la portion de soutien ;
  • la face arrière comprend un retour, configuré pour envelopper au moins partiellement un barreau du support.
Various additional features may be provided, alone or in combination:
  • the support portion and the support portion are arranged substantially in the extension of each other, the support portion being configured to penetrate into a slot in the upright, arranged on the outer longitudinal side of the platform, the light that can be aligned with a bar of the support;
  • the support portion and the support portion form, with respect to each other, an angle;
  • the angle formed by the support portion and the support portion measures approximately 90 degrees;
  • the support portion and the support portion have the shape of a cylinder;
  • the support portion includes a flat;
  • the holding portion comprises a front face, a transverse face and a rear face, the transverse face being integral with the front face and the rear face, and perpendicular thereto;
  • the front face punctually increases the perimeter of the support portion;
  • the rear face comprises a return, configured to at least partially envelop a bar of the support.

Il est proposé, en second lieu, une plateforme intégrant un support, ce support comportant un montant définissant un côté longitudinal externe de la plateforme et un barreau, la plateforme comprenant également un degré tel que présenté ci-dessus.It is proposed, secondly, a platform integrating a support, this support comprising an upright defining an external longitudinal side of the platform and a bar, the platform also comprising a degree as presented above.

D'autres caractéristiques et avantages de l'invention apparaîtront plus clairement et de manière concrète à la lecture de la description ci-après de modes de réalisation, laquelle est faite en référence aux dessins annexés dans lesquels :

  • la figure 1 est une vue schématique en perspective d'une plateforme (représentée en pointillés), comprenant un degré (représenté en traits pleins) selon un premier mode de réalisation ; en médaillon est illustré un détail à échelle agrandie, centré sur le degré ;
  • la figure 2 est une vue schématique en perspective du degré, selon le premier mode de réalisation ;
  • la figure 3 est une vue schématique en perspective d'un détail à échelle agrandie de la plateforme (représentée en pointillés), comprenant le degré (représenté en traits pleins), selon le premier mode de réalisation, centré sur le degré ;
  • la figure 4 est une vue schématique en perspective du degré, selon un deuxième mode de réalisation ;
  • la figure 5 est une vue schématique en perspective d'un détail à échelle agrandie de la plateforme (représentée en pointillés), comprenant le degré (représenté en traits pleins), selon le deuxième mode de réalisation, centré sur le degré ;
  • la figure 6 est une vue schématique en perspective d'un détail à échelle agrandie de la plateforme (représentée en pointillés), comprenant le degré (représenté en traits pleins), selon le deuxième mode de réalisation, centré sur le degré ;
  • la figure 7 est une vue schématique en perspective du degré, selon un troisième mode de réalisation ;
  • la figure 8 est une vue schématique en perspective d'un détail à échelle agrandie de la plateforme (représentée en pointillés), comprenant le degré (représenté en traits pleins), selon le troisième mode de réalisation, centré sur le degré ;
  • la figure 9 est une vue schématique en perspective d'un détail à échelle agrandie de la plateforme (représentée en pointillés), comprenant le degré (représenté en traits pleins), selon le troisième mode de réalisation, centré sur le degré ;
  • la figure 10 est une vue schématique en perspective d'une plateforme (représentée en pointillés), comprenant un degré (représenté en traits pleins) selon une variante du premier mode de réalisation ; en médaillon est illustré un détail à échelle agrandi, centré sur le degré.
Other characteristics and advantages of the invention will appear more clearly and concretely on reading the following description of embodiments, which is made with reference to the appended drawings in which:
  • the figure 1 is a schematic perspective view of a platform (shown in dotted lines), comprising a step (shown in solid lines) according to a first embodiment; inset is illustrated a detail on an enlarged scale, centered on the degree;
  • the picture 2 is a schematic perspective view of the degree, according to the first embodiment;
  • the picture 3 is a schematic perspective view of a detail on an enlarged scale of the platform (shown in dotted lines), including the step (shown in solid lines), according to the first embodiment, centered on the step;
  • the figure 4 is a schematic perspective view of the degree, according to a second embodiment;
  • the figure 5 is a schematic perspective view of a detail on an enlarged scale of the platform (shown in dotted lines), including the step (shown in solid lines), according to the second embodiment, centered on the step;
  • the figure 6 is a schematic perspective view of an enlarged detail of the platform (shown in dotted lines), comprising the degree (shown in solid lines), according to the second embodiment, centered on the degree;
  • the figure 7 is a schematic perspective view of the degree, according to a third embodiment;
  • the figure 8 is a schematic perspective view of a detail on an enlarged scale of the platform (shown in dotted lines), including the step (shown in solid lines), according to the third embodiment, centered on the step;
  • the figure 9 is a schematic perspective view of a detail on an enlarged scale of the platform (shown in dotted lines), including the step (shown in solid lines), according to the third embodiment, centered on the step;
  • the figure 10 is a schematic perspective view of a platform (shown in dotted lines), comprising a step (shown in solid lines) according to a variant of the first embodiment; inset is illustrated an enlarged scale detail, centered on the degree.

Sur la figure 1 est représentée une plateforme 1, comprenant un degré 2. On the figure 1 a platform 1 is represented, comprising a degree 2.

A titre d'exemple, la plateforme 1 comprend deux supports 3, disposés de part et d'autre d'un plancher 4. Les supports 3 soutiennent le plancher 4 dans une position sensiblement horizontale, à une hauteur prédéterminée. Le plancher 4 est ainsi destiné à soutenir un individu, lui permettant de réaliser un travail en hauteur, ou lui facilitant un accès en hauteur.By way of example, the platform 1 comprises two supports 3, arranged on either side of a floor 4. The supports 3 support the floor 4 in a substantially horizontal position, at a predetermined height. The floor 4 is thus intended to support an individual, allowing him to perform work at height, or facilitating access to height.

Chaque support 3 comprend des barreaux 5 et deux montants 6, auxquels sont fixés les barreaux 5. Les barreaux 5 sont fixés sensiblement perpendiculairement aux montants 6 et sont disposés de manière sensiblement équidistante entre eux, de sorte à former une échelle.Each support 3 comprises bars 5 and two uprights 6, to which the bars 5 are fixed . The bars 5 are fixed substantially perpendicular to the uprights 6 and are arranged substantially equidistant from each other, so as to form a ladder.

Selon les exemples illustrés sur les figures de 1 à 9, les montants 6 comprennent des lumières 7, à travers lesquelles passent les barreaux 5. Selon l'exemple représenté sur la figure 10, les montants 6 comprennent plus de lumières 7 que de barreaux 5. According to the examples illustrated in the figures from 1 to 9, the uprights 6 comprise openings 7, through which the bars 5 pass. According to the example represented in the figure 10 , uprights 6 include more lights 7 than bars 5.

Les barreaux 5 sont pleins, comprennent une cavité en leur centre ou sont, de préférence, creux.The bars 5 are solid, include a cavity in their center or are preferably hollow.

Selon d'autres exemples, non représentés, chaque support 3 comprend un seul barreau 5 ou une plaque remplaçant les barreaux 5 ou bien encore uniquement un montant 6. According to other examples, not shown, each support 3 comprises a single bar 5 or a plate replacing the bars 5 or even only an upright 6.

Le plancher 4 de la plateforme 1 comprend par exemple deux lambourdes 8 reposant sur un des barreaux 5 des supports 3. Selon un exemple non illustré, les lambourdes 8 sont fixées aux montants 6 des supports 3. The floor 4 of the platform 1 comprises for example two joists 8 resting on one of the bars 5 of the supports 3. According to an example not shown, the joists 8 are fixed to the uprights 6 of the supports 3.

Le plancher 4 comprend également une planche 9 reposant sur les lambourdes 8. Selon un exemple non représenté, le plancher 4 comprend uniquement la planche 9, directement fixée aux barreaux 5 ou aux montants 6 des supports 3. The floor 4 also comprises a board 9 resting on the joists 8. According to an example not shown, the floor 4 only comprises the board 9, directly fixed to the bars 5 or to the uprights 6 of the supports 3.

La plateforme 1 forme ainsi un dispositif comprenant un montant 6 muni de lumières 7 et permettant la réalisation d'un travail en hauteur ou de faciliter un accès en hauteur.The platform 1 thus forms a device comprising an upright 6 fitted with lights 7 and allowing work to be carried out at height or to facilitate access at height.

La plateforme 1 présente deux côtés 10 latéraux externes, chacun sensiblement parallèle aux barreaux 5 d'un des supports 3. La plateforme 1 présente également deux côtés 11 longitudinaux externes, sensiblement perpendiculaires aux côtés 10 latéraux externes, définis en partie par les montants 6 des supports 3. The platform 1 has two outer lateral sides 10 , each substantially parallel to the bars 5 of one of the supports 3. The platform 1 also has two outer longitudinal sides 11 , substantially perpendicular to the outer lateral sides 10 , defined in part by the uprights 6 of the brackets 3.

Afin d'assurer une meilleure lisibilité des dessins, la plateforme 1 est illustrée en pointillés sur les figures 1, 3, 5, 6, 8, 9 et 10.In order to ensure better readability of the drawings, platform 1 is illustrated in dotted lines on the figure 1 , 3 , 5 , 6 , 8, 9 and 10 .

Le degré 2, lorsque maintenu à un des supports 3 de la plateforme 1, fait saillie d'un des côtés 11 longitudinaux externes de celle-ci.Step 2, when held to one of the supports 3 of the platform 1, protrudes from one of the outer longitudinal sides 11 thereof.

Le degré 2 comprend une portion 12 d'appui, une portion 13 de soutien et une portion 14 de maintien.Degree 2 comprises a support portion 12 , a support portion 13 and a holding portion 14 .

La portion 12 d'appui, la portion 13 de soutien et la portion 14 de maintien sont solidaires.The support portion 12 , the support portion 13 and the holding portion 14 are integral.

Selon un mode de réalisation, la portion 12 d'appui, la portion 13 de soutien et la portion 14 de maintien sont des pièces indépendantes, assemblées les unes aux autres.According to one embodiment, the support portion 12 , the support portion 13 and the holding portion 14 are independent parts, assembled together.

Selon des modes de réalisation différents, la portion 12 d'appui et la portion 13 de soutien forment une pièce monobloc, ou le degré 2 est une pièce monobloc.According to different embodiments, the support portion 12 and the support portion 13 form a single piece, or step 2 is a single piece.

La portion 12 d'appui est configurée pour s'appuyer sur un des montants 6 du support 3 de la plateforme 1. The support portion 12 is configured to rest on one of the uprights 6 of the support 3 of the platform 1.

La portion 13 de soutien est disposée en saillie du côté 11 longitudinal externe de la plateforme 1. La portion 13 de soutien permet à un individu de prendre appui sur le degré 2, l'aidant à monter sur le plancher 4 de la plateforme 1. The support portion 13 is arranged projecting from the outer longitudinal side 11 of the platform 1. The support portion 13 allows an individual to bear on the step 2, helping him to climb on the floor 4 of the platform 1.

La portion 14 de maintien est directement solidaire de la portion 12 d'appui et de la portion 13 de soutien.The holding portion 14 is directly integral with the support portion 12 and the support portion 13 .

La portion 14 de maintien comprend une face 15 avant, une face 16 transversale et une face 17 arrière. La face 15 avant et la face 16 transversale sont solidaires. La face 16 transversale et la face 17 arrière sont solidaires.The retaining portion 14 comprises a front face 15 , a transverse face 16 and a rear face 17 . The front face 15 and the transverse face 16 are integral. The transverse face 16 and the rear face 17 are integral.

Selon les modes de réalisations représentés, la face 16 transversale est perpendiculaire à la face 15 avant et à la face 17 arrière.According to the embodiments shown, the transverse face 16 is perpendicular to the front face 15 and to the rear face 17 .

Dans la suite de ce texte, le degré 2 est décrit assemblé sur la plateforme 1. In the remainder of this text, stage 2 is described assembled on platform 1.

La face 15 avant, la face 16 transversale et la face 17 arrière sont sensiblement en contact avec trois pans 18 du montant 6 auquel est assemblé le degré 2. Une telle configuration confère au degré 2 un jeu minimum avec le support 3 de la plateforme 1. The front face 15 , the transverse face 16 and the rear face 17 are substantially in contact with three sections 18 of the upright 6 to which the step 2 is assembled. Such a configuration gives the step 2 a minimum play with the support 3 of the platform 1 .

La face 15 avant, la face 16 transversale et la face 17 arrière sont, de préférence, sensiblement parallèles aux pans 18 du montant 6 du support 3. Une telle configuration accroît la contrainte permettant de maintenir en position le degré 2 par rapport au montant 6. The front face 15 , the transverse face 16 and the rear face 17 are preferably substantially parallel to the faces 18 of the upright 6 of the support 3. Such a configuration increases the stress making it possible to maintain the degree 2 in position with respect to the upright 6 .

La portion 14 de maintien est indifféremment disposée en-dessous de la portion 13 de soutien, ou bien sensiblement au même niveau que la portion 13 de soutien, ou alors au-dessus de la portion 13 de soutien.The retaining portion 14 is either disposed below the supporting portion 13 , or substantially at the same level as the supporting portion 13 , or above the supporting portion 13 .

La portion 14 de maintien, lorsque disposée en-dessous de la portion 13 de soutien, permet d'augmenter la contrainte de blocage en rotation du degré 2 autour d'un axe sensiblement parallèle à la portion 13 de soutien du degré 2. The retaining portion 14 , when disposed below the supporting portion 13 , makes it possible to increase the degree 2 rotational locking constraint around an axis substantially parallel to the supporting portion 13 of the degree 2.

La portion 14 de maintien, lorsque disposée au-dessus de la portion 13 de soutien, permet d'augmenter la contrainte de blocage en translation du degré 2 suivant un axe sensiblement parallèle audit montant 6 du support 3. The holding portion 14 , when disposed above the support portion 13 , makes it possible to increase the locking stress in translation by degree 2 along an axis substantially parallel to said upright 6 of the support 3.

La portion 14 de maintien, lorsque disposée sensiblement au même niveau que la portion 13 de soutien, permet d'obtenir un compromis entre l'augmentation de la contrainte de blocage en rotation du degré 2 autour de l'axe sensiblement parallèle à la portion 13 de soutien du degré 2 et l'augmentation de la contrainte de blocage en translation du degré 2, suivant l'axe sensiblement parallèle audit montant 6 du support 3. The retaining portion 14 , when disposed substantially at the same level as the supporting portion 13 , makes it possible to obtain a compromise between the increase in the rotation locking stress of degree 2 around the axis substantially parallel to the support portion 13 of degree 2 and the increase in the translation locking stress of degree 2, along the axis substantially parallel to said upright 6 of support 3.

Selon un premier mode de réalisation du degré 2, illustré sur les figures 1 à 3, la portion 12 d'appui et la portion 13 de soutien sont alignées. Selon un mode de réalisation non illustré, la portion 12 d'appui et la portion 13 de soutien forment, l'une par rapport à l'autre, un angle.According to a first embodiment of degree 2, illustrated on the figures 1 to 3 , the support portion 12 and the support portion 13 are aligned. According to an embodiment not shown, the support portion 12 and the support portion 13 form an angle with respect to each other.

La portion 13 de soutien est disposée sensiblement parallèlement au plancher 4 de la plateforme 1, de sorte à fournir, à un individu, un appui stable pour monter sur la plateforme 1. The support portion 13 is arranged substantially parallel to the floor 4 of the platform 1, so as to provide an individual with stable support for climbing onto the platform 1.

Dans certains modes de réalisation, la portion 12 d'appui et la portion 13 de soutien présentent une forme générale cylindrique, de base circulaire. Selon un mode de réalisation non représenté, la portion 12 d'appui et la portion 13 de soutien présentent des formes différentes.In some embodiments, the support portion 12 and the support portion 13 have a generally cylindrical shape, with a circular base. According to an embodiment not shown, the support portion 12 and the support portion 13 have different shapes.

Comme illustré sur les figures 1 , 3, et 10, la portion 12 d'appui est en appui sur un des montants 6 de sorte à pénétrer dans une des lumières 7 du montant 6 du support 3 suivant une direction définie par un axe P principal, sensiblement perpendiculaire à la lumière 7. La forme générale de la lumière 7 autorise une rotation du degré 2 autour de l'axe P principal.As illustrated on the figure 1 , 3 , and 10 , the support portion 12 rests on one of the uprights 6 so as to enter one of the slots 7 of the upright 6 of the support 3 along a direction defined by a main axis P , substantially perpendicular to the slot 7. The general shape light 7 allows a rotation of degree 2 around the main axis P.

Selon un premier mode de réalisation, représenté sur les figures 1 à 3, la portion 12 d'appui est insérée dans une lumière 7 à travers laquelle passe un des barreaux 5 du support 3. De cette façon, les efforts sont repris au droit des barreaux 5, ce qui offre une rigidité de fixation du degré 2 sur le support 3 accrue.According to a first embodiment, shown in the figures 1 to 3 , the support portion 12 is inserted into a slot 7 through which one of the bars 5 of the support 3 passes . the support 3 increased.

Selon une variante du premier mode de réalisation, illustrée figure 10, la portion 12 d'appui est insérée dans une lumière 7 à travers laquelle ne passe pas un des barreaux 5. According to a variant of the first embodiment, illustrated figure 10 , the support portion 12 is inserted in a slot 7 through which one of the bars 5 does not pass.

La coopération de la portion 12 d'appui et de la lumière 7 permet de sensiblement bloquer des translations du degré 2, par rapport au support 3, au jeu près entre la portion 12 d'appui et la lumière 7, suivant toutes les directions perpendiculaires à l'axe P principal.The cooperation of the support portion 12 and the light 7 makes it possible to substantially block translations of degree 2, relative to the support 3, to the nearest clearance between the support portion 12 and the light 7, in all perpendicular directions. to the main P axis.

La face 16 transversale de la portion 14 de maintien, étant sensiblement en contact avec un des pans 18 du montant 6, bloque une rotation du degré 2 autour de l'axe P principal suivant une direction.The transverse face 16 of the holding portion 14 , being substantially in contact with one of the sections 18 of the upright 6, blocks a rotation of degree 2 around the main axis P in one direction.

Etant toutes deux sensiblement en contact avec les deux autres pans 18 du montant 6, la face 15 avant et la face 17 arrière de la portion 14 de maintien bloquent une translation du degré 2 suivant l'axe P principal.Being both substantially in contact with the other two sides 18 of the upright 6, the front face 15 and the rear face 17 of the holding portion 14 block a translation of degree 2 along the main axis P.

La face 15 avant augmente ponctuellement le périmètre de la portion 13 de soutien. La face 15 avant renforce ainsi le degré 2, ce qui permet d'offrir une résistance accrue à un effort exercé par un individu exerçant un effort vertical sur le degré 2. The face 15 before punctually increases the perimeter of the portion 13 of support. The front face 15 thus reinforces degree 2, which makes it possible to offer increased resistance to an effort exerted by an individual exerting a vertical force on degree 2.

Selon un mode de réalisation la portion 13 de soutien comprend un méplat 19. Le méplat 19 permet de réduire le risque de glissement de l'individu s'aidant du degré 2 pour monter sur la plateforme 1. According to one embodiment, the support portion 13 comprises a flat 19. The flat 19 makes it possible to reduce the risk of the individual slipping using degree 2 to climb on the platform 1.

Selon un mode de réalisation, la portion 14 de maintien comprend un retour 20 crochetant un des barreaux 5 du support 3. Le retour 20 permet une meilleure contrainte de maintien du degré 2 dans sa position.According to one embodiment, the holding portion 14 comprises a return 20 hooking one of the bars 5 of the support 3. The return 20 allows a better holding constraint of degree 2 in its position.

Selon un deuxième mode de réalisation, représenté sur les figures 4 à 6 et un troisième mode de réalisation, illustré sur les figures 7 à 9, la portion 12 d'appui et la portion 13 de soutien du degré 2 forment, l'une par rapport à l'autre, un angle. La portion 12 d'appui est disposée en appui sur le montant 6 sur lequel est monté le degré 2, au niveau du côté 11 longitudinal externe de la plateforme 1. According to a second embodiment, shown in the figures 4 to 6 and a third embodiment, illustrated in the figures 7 to 9 , the support portion 12 and the support portion 13 of degree 2 form, with respect to each other, an angle. The support portion 12 is arranged to bear on the upright 6 on which the step 2 is mounted, at the level of the external longitudinal side 11 of the platform 1.

La portion 12 d'appui bloque ainsi une translation du degré 2 dans un sens, vers le montant 6, suivant une direction perpendiculaire à la direction dans laquelle s'étend le montant 6. The support portion 12 thus blocks a translation of degree 2 in one direction, towards the upright 6, in a direction perpendicular to the direction in which the upright 6 extends.

La portion 12 d'appui est, de préférence, disposée sensiblement parallèlement à la direction dans laquelle s'étend le montant 6, ce qui permet de garantir un bon contact avec le montant 6. The support portion 12 is preferably arranged substantially parallel to the direction in which the upright 6 extends, which makes it possible to guarantee good contact with the upright 6.

L'angle défini par la portion 12 d'appui et la portion 13 de soutien est, de préférence, un angle droit.The angle defined by the support portion 12 and the support portion 13 is preferably a right angle.

La portion 13 de soutien est disposée sensiblement parallèlement au plancher 4 de la plateforme 1, de sorte à fournir, à un individu, un appui stable pour monter sur la plateforme 1. The support portion 13 is arranged substantially parallel to the floor 4 of the platform 1, so as to provide an individual with stable support for climbing onto the platform 1.

La portion 12 d'appui et la portion 13 de soutien présentent une forme générale de barreau cylindrique. Selon un mode de réalisation non représenté, la portion 12 d'appui et la portion 13 de soutien présentent des formes différentes, par exemple de barreau à section polygonale.The support portion 12 and the support portion 13 have the general shape of a cylindrical bar. According to an embodiment not shown, the support portion 12 and the support portion 13 have different shapes, for example of a bar with a polygonal section.

Etant sensiblement en contact avec un des pans 18 du montant 6, la face 16 transversale de la portion 14 de maintien bloque une translation du degré 2, dans un sens, suivant une direction perpendiculaire à la face 16 transversale.Being substantially in contact with one of the sections 18 of the upright 6, the transverse face 16 of the holding portion 14 blocks a translation of degree 2, in one direction, in a direction perpendicular to the transverse face 16 .

Etant sensiblement en contact avec un des pans 18 du montant 6, la face 17 arrière de la portion 14 de maintien bloque une translation du degré 2 dans un sens, opposé au sens bloqué par la portion 12 d'appui, suivant la direction perpendiculaire à la direction dans laquelle s'étend le montant 6. Being substantially in contact with one of the sides 18 of the upright 6, the rear face 17 of the holding portion 14 blocks a translation of degree 2 in one direction, opposite to the direction blocked by the support portion 12 , in the direction perpendicular to the direction in which the post extends 6.

Dans le deuxième et le troisième mode de réalisation, la face 17 arrière de la portion 14 de maintien est en contact avec un des barreaux 5 du support 3. La face 17 arrière bloque ainsi une translation du degré 2, dans un sens, suivant une direction sensiblement parallèle à la direction dans laquelle s'étend le montant 6 de sorte que le degré 2 ne glisse pas le long dudit montant 6 lorsqu'un individu prend appui sur le degré 2. In the second and the third embodiment, the rear face 17 of the retaining portion 14 is in contact with one of the bars 5 of the support 3. The rear face 17 thus blocks a translation of degree 2, in one direction, following a direction substantially parallel to the direction in which the upright 6 extends so that the step 2 does not slide along the said upright 6 when an individual leans on the step 2.

La portion 13 de soutien comprend un méplat 19. Le méplat 19 permet de réduire le risque de glissement du pied de l'individu s'aidant du degré 2 pour monter sur la plateforme 1. The support portion 13 comprises a flat 19. The flat 19 makes it possible to reduce the risk of slipping of the foot of the individual using degree 2 to climb on the platform 1.

La portion 14 de maintien comprend un retour 20 crochetant un des barreaux 5 du support 3. Le retour 20 bloque une translation du degré 2, dans un sens différent du sens bloqué par la face 16 transversale de la portion 14 de maintien, suivant la direction perpendiculaire à la face 16 transversale.The holding portion 14 comprises a return 20 hooking one of the bars 5 of the support 3. The return 20 blocks a translation of degree 2, in a direction different from the direction blocked by the transverse face 16 of the holding portion 14 , in the direction perpendicular to the transverse face 16 .

Le retour 20 et la face 16 transversale permettent, en coopération, de bloquer une rotation du degré 2 autour de l'axe sensiblement parallèle à la portion 13 de soutien du degré 2. The return 20 and the transverse face 16 make it possible, in cooperation, to block a rotation of degree 2 around the axis substantially parallel to the support portion 13 of degree 2.

Dans le troisième mode de réalisation, représenté sur les figures 7 à 9, la portion 12 d'appui et la portion 13 de soutien du degré 2 sont intégrées dans une pièce, de forme quelconque, offrant une plus grande résistance au degré 2. In the third embodiment, shown in the figures 7 to 9 , the support portion 12 and the support portion 13 of degree 2 are integrated in a part, of any shape, offering greater resistance to degree 2.

Un tel degré 2 permet ainsi de faciliter la montée d'un individu sur le plancher 4 de la plateforme 1. Such a degree 2 thus makes it possible to facilitate the ascent of an individual on the floor 4 of the platform 1.

Ce degré 2 est également amovible, permettant de le déplacer sur les montants 6 ou de le démonter rapidement de la plateforme 1, et ce sans nécessiter d'outillage spécifique.This degree 2 is also removable, allowing it to be moved on the uprights 6 or to be quickly dismantled from the platform 1, without requiring specific tools.

Le degré 2 est enfin simple de fabrication.Degree 2 is finally easy to manufacture.

Claims (5)

  1. A step (2), for facilitating climbing on a platform (1) integrating a bracket (3), this bracket (3) including a beam (6) partly defining an outer longitudinal side (11) of the platform (1), the step (2) comprising:
    - a bearing portion (12), configured to bear against the beam (6) of the bracket (3);
    - a supporting portion (13), integral with the bearing portion (12), for being, when the bearing portion (12) bears against the beam (6), protruding from the outer longitudinal side (11) of the platform (1);
    - a portion (14) for holding the bearing portion (12), when the later bears against the beam (6), the holding portion (14) being directly integral with the bearing portion (12) and the supporting portion (13) and being configured to at least partially wrap the beam (6) of the bracket (3),
    the holding portion (14) comprising a front face (15), a transverse face (16) and a rear face (17) configured to be substantially in contact with three sections (18) of the beam (6), the transverse face (16) being integral with the front face (15) and with the rear face (17), and perpendicular to the same,
    characterised in that the front face (15) temporarily increases the perimeter of the supporting portion (13) so as to enhance, when the bearing portion (12) bears against the beam (6), resistance of the step (2) to a load exerted vertically on this step (2), the bearing portion (12) and the supporting portion (13) being disposed substantially as an extension of each other, the bearing portion (12) being configured to enter a port (7) of the beam (6), disposed on the outer longitudinal side (11) of the platform (1), the port (7) can be aligned with a rung (5) of the bracket (3), the bearing portion (12) and the supporting portion (13) having a cylinder shape.
  2. A step (2), for facilitating climbing on a platform (1) integrating a bracket (3), this bracket (3) including a beam (6) partly defining an outer longitudinal side (11) of the platform (1), the step (2) comprising:
    - a bearing portion (12), configured to bear against the beam (6) of the bracket (3);
    - a supporting portion (13), integral with the bearing portion (12), for being, when the bearing portion (12) bears against the beam (6), protruding from the outer longitudinal side (11) of the platform (1);
    - a portion (14) for holding the bearing portion (12), when the later bears against the beam (6), the holding portion (14) being directly integral with the bearing portion (12) and the supporting portion (13) and being configured to at least partially wrap the beam (6) of the bracket (3),
    the holding portion (14) comprising a front face (15), a transverse face (16) and a rear face (17) configured to be substantially in contact with three sections (18) of the beam (6), the transverse face (16) being integral with the front face (15) and with the rear face (17), and perpendicular to the same,
    characterised in that the front face (15) temporarily increases the perimeter of the supporting portion (13) so as to enhance, when the bearing portion (12) bears against the beam (6), resistance of the step (2) to a load exerted vertically on this step (2), the bearing portion (12) and the supporting portion (13) forming, relative to each other, an angle, the supporting portion (13) comprises a flat (19).
  3. The step (2) according to the preceding claim, characterised in that the angle formed by the bearing portion (12) and the supporting portion (13) is about 90 degrees.
  4. The step (2) according to any of claims 2 or 3, characterised in that the rear face (17) comprises a return piece (20) configured to at least partially wrap a rung (5) of the bracket (3).
  5. A platform (1) integrating a bracket (3), this bracket (3) including a beam (6) defining an outer longitudinal side (11) of the platform (1) and a rung (5), the platform (1) also comprising a step (2) according to any of the preceding claims.
EP17201667.7A 2016-11-30 2017-11-14 Removable step for a platform Active EP3330457B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1661715A FR3059352B1 (en) 2016-11-30 2016-11-30 REMOVABLE DEGREE FACILITATING THE RISE ON A PLATFORM

Publications (2)

Publication Number Publication Date
EP3330457A1 EP3330457A1 (en) 2018-06-06
EP3330457B1 true EP3330457B1 (en) 2022-02-23

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ID=58347527

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Application Number Title Priority Date Filing Date
EP17201667.7A Active EP3330457B1 (en) 2016-11-30 2017-11-14 Removable step for a platform

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EP (1) EP3330457B1 (en)
FR (1) FR3059352B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113463890A (en) * 2021-07-05 2021-10-01 中国建筑第二工程局有限公司 Steel construction high altitude construction safety device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902568A (en) * 1974-11-29 1975-09-02 Donald W Erickson Scaffold step
US6752243B1 (en) * 2000-09-22 2004-06-22 Robert Terzini Locking and removable step
US9157276B2 (en) * 2012-03-28 2015-10-13 Kayenta Saucier Ladder accessory

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FR3059352B1 (en) 2019-10-18
FR3059352A1 (en) 2018-06-01
EP3330457A1 (en) 2018-06-06

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