EP0593388A1 - A vertically movable platform - Google Patents

A vertically movable platform Download PDF

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Publication number
EP0593388A1
EP0593388A1 EP93480158A EP93480158A EP0593388A1 EP 0593388 A1 EP0593388 A1 EP 0593388A1 EP 93480158 A EP93480158 A EP 93480158A EP 93480158 A EP93480158 A EP 93480158A EP 0593388 A1 EP0593388 A1 EP 0593388A1
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EP
European Patent Office
Prior art keywords
guide
platform
platform according
plate
post
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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EP93480158A
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German (de)
French (fr)
Inventor
Philippe Chabrier
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Individual
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Individual
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Publication date
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Publication of EP0593388A1 publication Critical patent/EP0593388A1/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C17/00—Sofas; Couches; Beds
    • A47C17/84—Suspended beds, e.g. suspended from ceiling

Definitions

  • the present invention relates to a platform with vertical displacement.
  • this platform serves as a mezzanine when it is in the low position and can be pressed against the ceiling in the high position, in order to free up the space which is below it.
  • WO 92/05728 relates to a platform which comprises a fixed structure and a movable platform in vertical translation by means of a lifting device capable of maintain horizontal balance while moving. It is characterized in that the fixed structure is composed of two vertical frames perpendicular to each other, in the corner of which a triangular part is inscribed horizontally corresponding mobile platform extending outwards of said angle by a cantilevered part, said parts of the platform located on either side of a stiffening beam of the platform between two lifting points of the platform located at away from the center of gravity of it and close to two vertical guide posts respectively disposed at free ends of the frames of the structure without return, of so that the floor area corresponding to the projection of the plate be free of any obstacle in the angular field said frames.
  • the document FR-A-2,643,244 relates to a device allowing moving a bed vertically and parallel to itself inside a supporting structure resting on the ground.
  • the bed is movable between a low position of use where it rests on support points integral with the structure and a position high storage.
  • Four strings attached at four points on the bed are returned by pulleys to a clamping part taken up by a hoist.
  • the displacement of the bed can be obtained by pulling on single rope.
  • Document FR-A-2.633.814 relates to a bed system retractable for small living rooms.
  • This system includes means, such as cables and pulleys suspension allowing the bed to be raised horizontally towards the room ceiling when not in use and lower it at a suitable height in the use position.
  • Document FR-A-2.616.309 relates to a mezzanine platform with a horizontal tray that the user can move manually from a temporary low position, for example example for sleeping, in a high position freeing the surface on the ground at a height allowing it to stand upright.
  • the movement of the platform is allowed by the use of a counterweight, of weight equivalent to that of the plate and modular depending on the charge thereof.
  • the tray moves in a fixed structure comprising at least two posts or rails intended to guide it and ensure safety in use. The sliding is ensured by the interposition, between the plate and posts or rails, rollers or runners mounted on an elastic device.
  • Document DE-A-3,233,569 relates to a piece of furniture which combines a bed and table, the table being in the low position and the bed high position, inside a frame with hoists allowing the descent and ascent of said bed relative to four posts.
  • the document DE-A-1,949,545 relates to a device for bed (s) having one or more trays which can be moved on along two tracks lying in two vertical pillars, the weight of the bed being counterbalanced by a counterweight. So, when the bed (s) are not in use, he or she can be lifted to the ceiling.
  • This configuration although it allows the space under the loft bed to be freed, does not allow the fourth post, which is in the middle of the room, to be removed, which is not the case for the other three posts, which are pressed against the walls of said room.
  • the post opposite to that previously deleted is no longer used for guiding the platform, which limits the guide posts to two.
  • support means such as, for example, small stepladders, are provided.
  • the present invention aims to solve all these problems, by using a platform intended for a mezzanine or any other similar use comprising a fixed structure and a plate movable in translation comprising four angles, each angle of said plate being fixed to a means of vertical translation which leads to another counterweight, characterized in that the fixed structure comprises three guide posts which cooperate with three means of translation, and a bracket placed in the upper part of the platform which cooperates with the fourth means of translation.
  • the essential object of the invention is therefore to propose a platform system which uses three posts, with the aim of completely freeing the underside of the platform from said platform, but which, in order to ensure maximum security, uses four lifting or lowering means placed at the four corners of said tray.
  • the platform is further characterized by the fact that two of the guide posts are placed against two adjacent sections of walls forming the room, and that the third post is placed in the angle formed by the two sections of walls mentioned above.
  • the stem is one of the essential elements of the invention, it can have different forms, two of which are more particularly developed in the rest of the text.
  • the bracket may be constituted by a bar, one of the ends of which is fixed to the top of the guide post which is located in the corner of the part, the free end being situated directly above the angle of the movable plate which does not cooperate with one of the guide posts, said bar being supported by a another rigid bar, the two ends of which are fixed to the tops of the other two guide posts.
  • the bracket can also be constituted by two tubes each having one of their two ends fixed to the top of one of the two guide posts, while the two other ends of the tubes are connected to each other, and that their point of intersection is located directly above the angle of the movable plate which does not cooperate with one of the guide posts.
  • Figure 1 shows a perspective view of a preferred embodiment of the present invention.
  • Figure 2 shows a perspective view of another preferred embodiment of the present invention.
  • FIG. 3 represents a detail of a guide post at the level where the guide of the movable plate is located.
  • FIG. 4 represents a section along A-A of FIG. 3.
  • FIG. 5 represents a section along B-B of FIG. 3.
  • Figure 6 shows a detail of a guide post at its low position.
  • the platform 1 is formed of two essential parts.
  • a first part is called a fixed structure 2, it is formed by two guide posts 7, 21 which are placed against two sections of walls 8 adjacent to a room, it is also formed by a guide post 14 positioned in the angle of the room formed by the two adjacent sections of walls 8 and two longitudinal members, one upper 15 and the other lower 16 by wall section 8, making it possible to connect one of the guide posts 7, 21 to the corner guide post 14.
  • This fixed structure 2 also comprises a bracket 9 which is formed by a cylinder 10 which is fixed by one of its ends to the top of the angle guide post 14, the other end remaining free.
  • the guide posts 7, 14 and 21, the upper spar 15 and the bar 10 are all hollow, in order to allow passage of the vertical translation means 5 which are, here, made up of cables and pulleys.
  • movable plate 3 is of substantially rectangular or square shape.
  • angles 4 which may be less stereotypical in shape than a right angle.
  • angles can be different or be equal two by two in order to give a quadrilateral shape to the movable plate 3 so that it can adapt to any angle shape of a part.
  • the four angles 4 all have a predetermined position by the fixed structure 2.
  • angles 4 are close to the three guide posts 7, 14 and 21, while the fourth angle 4 is perpendicular to the free end of the bar 10 of the bracket 9.
  • adjustable wedges 26 which make it possible to support the movable plate 3 in the low position, especially when it is loaded, for example with a mattress to provide a bed. retractable.
  • Figure 2 is, in all respects, similar to the description of Figure 1.
  • the point of intersection is located directly above the angle 4 of the movable plate 3 which does not cooperate with one of the guide posts 7, 14 and 21.
  • One of these two tubes 12 is hollow in order to allow the passage of the translation means 5 which is not located in one of the guide posts 7, 14 and 21.
  • the tube 12 which receives the translation means 5 is the one which is fixed to the guide post 7 which is placed against the wall panel 8 where the counterweight 6 is located, this in order to limit the number of returns due to the pulleys not shown here.
  • the guide posts 7, 14 or 21 are formed of a longitudinal element 17 delimiting a housing 18 which can be accessed through a longitudinal window 20.
  • a guide 28 can move thanks to four rollers 22.
  • a connecting piece 19 stiffens the guide 28 to the movable plate 3.
  • a fixing means 13 connects the upper part of the guide 28 to the vertical translation means 5.
  • Figures 4 and 5 show two sections at the axis of two rollers 22 of different arrangements.
  • the caster 22 has its tread located opposite the longitudinal window 20 and on the opposite face of the longitudinal element 17.
  • the walls of the guide 28 are drilled to allow the axis 27 of the roller 22 to pass.
  • the guide 28 is absent so that said treads can play their role.
  • the housing 18 is practically filled by the guide 28 and its rollers 22, which makes it possible to have no guiding problems.
  • the diameter of the rollers 22 must be greater than the width or the length of the guide 28.
  • the movable plate 3 is in the low position.
  • the wedge 26 is present on the guide post 7, 14 or 21 in order to receive said movable plate 3.
  • the longitudinal element 17 is pierced right through by two holes 24.
  • the guide 28 is pierced right through by at least one opening 23.
  • the holes 24 and the openings 23 can be placed opposite one another, so that it is possible to introduce a pin 25 therein.
  • each post 7, 14, 21 is formed by a longitudinal element 17 having a housing 18 which includes a longitudinal window 20.
  • each guide post 7, 14, 21 allows the passage of a guide 28 provided with at least one roller 22.
  • each guide 28 is fixed, in its upper part, to one of the translation means 5 and, in its lateral part, to one of the angles 4 of the movable plate 3, facing the window 20 of the longitudinal element 17.
  • At least one guide 28 is pierced, perpendicular to its axis, by two openings 23.
  • At least one guide post 7, 14, 21 is pierced, perpendicular to its axis, by at least two holes 24, one in the low position and one in the high position, so that when the opening 23 of the guide 28 is located opposite one of the holes 24 of the guide post 7, 14 or 21, a pin 25 can be inserted there so that the movable plate 3, in the low position, can no longer rise, or that the plate mobile 3, in the high position, can no longer descend.
  • Yet another object of the invention is to provide a platform 1 where, at least, a guide post 7, 14 or 21 receives an adjustable wedge 26 on which the movable plate 3 comes to rest in the low position.
  • an object of the invention is to provide a platform 1, where a support element can be constituted by a small ladder or a stake, and be folded under the movable plate 3, then unfolded in a vertical position at the level of the angle 4 of said plate 3, which does not cooperate with one of the guide posts 7, 14 or 21, the support element then acting as a support crutch of the movable plate 3 this support element is not shown in the figures.
  • the platform 1 according to the invention therefore makes it possible to free up a maximum of space when the plate 3 is raised, thanks to the use of three posts 7, 14 and 21, but it also makes it possible to have greater stability.
  • said plate 3 which is maintained by four vertical translation means 5 fixed to each of its angles 4, and even, optionally, by a support stand when the movable plate 3 is in the low position.
  • Removable railings can be placed along the two sides of the movable plate 3 which are not on the side of the walls 8, so that it is impossible for people or objects to fall to the ground.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

The platform (1), designed to be used as a mezzanine floor or any other such use comprises a fixed structure (2) and a translationally movable floor (3) having four corners (4), each corner (4) of said floor being attached to a means of vertical translation (5) linked up to a counterweight (6), the platform being characterised in that the fixed structure (2) comprises - three guide posts (7, 14, 21) mounted against the walls (8) of a room and cooperating with three means of translation (5), and - a beam (9) at the top of the platform (1) and cooperating with the fourth means of translation (5). This platform is particularly designed for saving space in homes. <IMAGE>

Description

La présente invention concerne une plate-forme à déplacement vertical.The present invention relates to a platform with vertical displacement.

Plus particulièrement, cette plate-forme sert de mezzanine lorsqu'elle est en position basse et peut être plaquée contre le plafond en position haute, afin de dégager au maximum l'espace qui se trouve en dessous de celle-ci.More particularly, this platform serves as a mezzanine when it is in the low position and can be pressed against the ceiling in the high position, in order to free up the space which is below it.

De nombreux documents concernent déjà de tels dispositifs.Many documents already relate to such devices.

Le document WO 92/05728 concerne une plate-forme qui comporteWO 92/05728 relates to a platform which comprises une structure fixe et un plateau mobile en translation verticalea fixed structure and a movable platform in vertical translation par l'intermédiaire d'un dispositif de relevage apte à leby means of a lifting device capable of maintenir en équilibre horizontal au cours de ses déplacements.maintain horizontal balance while moving. Elle se caractérise en ce que la structure fixe est composée deIt is characterized in that the fixed structure is composed of deux cadres verticaux perpendiculaires entre eux, dans l'angletwo vertical frames perpendicular to each other, in the corner duquel s'inscrit horizontalement une partie triangulaireof which a triangular part is inscribed horizontally correspondante du plateau mobile se prolongeant vers l'extérieurcorresponding mobile platform extending outwards dudit angle par une partie en porte à faux, lesdites parties duof said angle by a cantilevered part, said parts of the plateau se situant de part et d'autre d'une poutre de raidissementplatform located on either side of a stiffening beam du plateau entre deux points de relevage du plateau situés àof the platform between two lifting points of the platform located at l'écart du centre de gravité de celui-ci et à proximité de deuxaway from the center of gravity of it and close to two poteaux verticaux de guidage disposés respectivement auxvertical guide posts respectively disposed at extrémités libres des cadres de la structure sans retour, defree ends of the frames of the structure without return, of manière telle que la surface au sol correspondant à la projectionso that the floor area corresponding to the projection du plateau soit libre de tout obstacle dans le champ angulaireof the plate be free of any obstacle in the angular field desdits cadres.said frames.

le document FR-A-2.643.244 concerne un dispositif permettantthe document FR-A-2,643,244 relates to a device allowing le déplacement d'un lit verticalement et parallèlement à lui-mêmemoving a bed vertically and parallel to itself à l'intérieur d'une structure porteuse reposant sur le sol. Le litinside a supporting structure resting on the ground. The bed est mobile entre une position basse d'utilisation où il repose suris movable between a low position of use where it rests on des points d'appuis solidaires de la structure et une positionsupport points integral with the structure and a position haute de rangement. Quatre cordes fixées en quatre points du lithigh storage. Four strings attached at four points on the bed sont renvoyées par des poulies à une pièce de serrage reprise parare returned by pulleys to a clamping part taken up by un palan. Le déplacement du lit peut être obtenu par traction sura hoist. The displacement of the bed can be obtained by pulling on corde unique.single rope.

Le document FR-A-2.633.814 concerne un système de litDocument FR-A-2.633.814 relates to a bed system escamotable pour pièces d'habitation de petites dimensions. Ceretractable for small living rooms. This système comprend des moyens, tels que câbles et poulies desystem includes means, such as cables and pulleys suspension permettant de relever le lit à l'horizontale vers lesuspension allowing the bed to be raised horizontally towards the plafond de la pièce lorsqu'il n'est pas utilisé et de l'abaisserroom ceiling when not in use and lower it à hauteur convenable en position d'utilisation.at a suitable height in the use position.

Le document FR-A-2.616.309 concerne une plate-forme mezzanineDocument FR-A-2.616.309 relates to a mezzanine platform comportant un plateau horizontal que l'utilisateur peut déplacerwith a horizontal tray that the user can move manuellement d'une position basse d'utilisation temporaire, parmanually from a temporary low position, for example exemple pour couchage, à une position haute libérant la surfaceexample for sleeping, in a high position freeing the surface au sol sur une hauteur permettant de s'y tenir debout. Leon the ground at a height allowing it to stand upright. The déplacement du plateau est permis par l'utilisation d'unmovement of the platform is allowed by the use of a contrepoids, de poids équivalent à celui du plateau et modulablecounterweight, of weight equivalent to that of the plate and modular en fonction de la charge de celui-ci. Le plateau se déplace dansdepending on the charge thereof. The tray moves in une structure fixe comportant au moins deux poteaux ou railsa fixed structure comprising at least two posts or rails destinés à le guider et à assurer la sécurité d'utilisation. Leintended to guide it and ensure safety in use. The coulissement est assuré par l'interposition, entre le plateau etsliding is ensured by the interposition, between the plate and les poteaux ou les rails, de galets ou de coulisseaux montés surposts or rails, rollers or runners mounted on un dispositif élastique.an elastic device.

Le document DE-A-3.233.569 concerne un meuble qui combine unDocument DE-A-3,233,569 relates to a piece of furniture which combines a lit et une table, la table étant en position basse et le lit enbed and table, the table being in the low position and the bed position haute, à l'intérieur d'un cadre où se trouve des palanshigh position, inside a frame with hoists permettant la descente et la montée dudit lit par rapport à quatreallowing the descent and ascent of said bed relative to four poteaux.posts.

Enfin, le document DE-A-1.949.545 concerne un dispositif deFinally, the document DE-A-1,949,545 relates to a device for lit(s) ayant un ou plusieurs plateaux pouvant être déplacés lebed (s) having one or more trays which can be moved on long de deux voies se trouvant dans deux piliers verticaux, lealong two tracks lying in two vertical pillars, the poids du lit étant contrebalancé par un contrepoids. Ainsi,weight of the bed being counterbalanced by a counterweight. So, lorsque le ou les lits ne sont pas utilisés, il ou ils peuventwhen the bed (s) are not in use, he or she can être levés vers le plafond.be lifted to the ceiling.

La plupart de ces documents décrivent des lits mezzanines qui sont guidés dans leur déplacement vertical par quatre poteaux.Most of these documents describe mezzanine beds which are guided in their vertical displacement by four posts.

Cette configuration, bien qu'elle autorise la libération de l'espace se trouvant sous le lit mezzanine, ne permet pas de supprimer le quatrième poteau, qui se trouve au milieu de la pièce, ce qui n'est pas le cas des trois autres poteaux, qui sont plaqués contre les murs de ladite pièce.This configuration, although it allows the space under the loft bed to be freed, does not allow the fourth post, which is in the middle of the room, to be removed, which is not the case for the other three posts, which are pressed against the walls of said room.

Afin de ne plus être gênés par ce quatrième poteau, certains dispositifs proposent de supprimer purement et simplement ce poteau, ce qui limite les poteaux à trois.In order to no longer be bothered by this fourth post, some devices propose to simply delete this post, which limits the posts to three.

Dans d'autres cas encore, le poteau opposé à celui précédemment supprimé, ne sert plus au guidage de la plate-forme, ce qui limite les poteaux de guidage à deux.In still other cases, the post opposite to that previously deleted, is no longer used for guiding the platform, which limits the guide posts to two.

Il est aisé de comprendre que ces dispositifs créent au niveau des angles de la plate-forme, qui ne sont plus soutenus, des porte-à-faux, qui sont préjudiciables pour un bon fonctionnement à moyen terme de ces dispositifs.It is easy to understand that these devices create at the angles of the platform, which are no longer supported, overhangs, which are detrimental to the proper functioning of these devices in the medium term.

Pour que le porte-à-faux soit inexistant en position basse, des moyens de soutien, comme, par exemple, des petits escabeaux, sont prévus.In order for the overhang to be nonexistent in the low position, support means, such as, for example, small stepladders, are provided.

Néanmoins, le problème de porte-à-faux reste entier lors des déplacements ou de la station en position haute de la plate-forme, surtout si cette dernière est chargée.However, the problem of overhang remains unresolved when moving or when the station is in the high position of the platform, especially if the latter is loaded.

Enfin, l'utilisation de moyens de soutien rend très difficile un réglage plus haut ou plus bas de la plate-forme en position basse, puisque lesdits moyens de soutien devront être adaptés à ces modifications.Finally, the use of support means makes it very difficult to adjust the platform higher or lower in the low position, since said support means will have to be adapted to these modifications.

La présente invention tend à résoudre tous ces problèmes, en utilisant une plate-forme à destination de mezzanine ou de toute autre utilisation similaire comportant une structure fixe et un plateau mobile en translation comportant quatre angles, chaque angle dudit plateau étant fixé à un moyen de translation verticale qui aboutit à un autre contrepoids, caractérisée par le fait que la structure fixe comporte trois poteaux de guidage qui coopèrent avec trois moyens de translation, et une potence placée dans la partie supérieure de la plate-forme qui coopère avec le quatrième moyen de translation.The present invention aims to solve all these problems, by using a platform intended for a mezzanine or any other similar use comprising a fixed structure and a plate movable in translation comprising four angles, each angle of said plate being fixed to a means of vertical translation which leads to another counterweight, characterized in that the fixed structure comprises three guide posts which cooperate with three means of translation, and a bracket placed in the upper part of the platform which cooperates with the fourth means of translation.

l'invention a donc pour but essentiel de proposer un système de plate-forme qui utilise trois poteaux, dans le but de libérer totalement le dessous du plateau de ladite plate-forme, mais qui, afin d'assurer une sécurité maximale, utilise quatre moyens de levage ou de descente placés aux quatre coins dudit plateau.the essential object of the invention is therefore to propose a platform system which uses three posts, with the aim of completely freeing the underside of the platform from said platform, but which, in order to ensure maximum security, uses four lifting or lowering means placed at the four corners of said tray.

La plate-forme est encore caractérisée par le fait que deux des poteaux de guidage sont placés contre deux pans de murs adjacents formant la pièce, et que le troisième poteau est placé dans l'angle formé par les deux pans de murs cités précédemment.The platform is further characterized by the fact that two of the guide posts are placed against two adjacent sections of walls forming the room, and that the third post is placed in the angle formed by the two sections of walls mentioned above.

La potence est un des éléments essentiels de l'invention, celle-ci peut avoir différentes formes dont deux sont plus particulièrement développées dans la suite du texte.The stem is one of the essential elements of the invention, it can have different forms, two of which are more particularly developed in the rest of the text.

Ainsi, la potence peut être constituée par une barre dont l'une des extrémités est fixée au sommet du poteau de guidage qui se trouve dans l'angle de la pièce, l'extrémité libre étant située à l'aplomb de l'angle du plateau mobile qui ne coopère pas avec un des poteaux de guidage, ladite barre étant soutenue par une autre barre rigide, dont les deux extrémités sont fixées aux sommets des deux autres poteaux de guidage.Thus, the bracket may be constituted by a bar, one of the ends of which is fixed to the top of the guide post which is located in the corner of the part, the free end being situated directly above the angle of the movable plate which does not cooperate with one of the guide posts, said bar being supported by a another rigid bar, the two ends of which are fixed to the tops of the other two guide posts.

La potence peut aussi être constituée par deux tubes ayant chacun une de leurs deux extrémités fixée au sommet d'un des deux poteaux de guidage, alors que les deux autres extrémités des tubes sont reliées l'une à l'autre, et que leur point d'intersection se situe à l'aplomb de l'angle du plateau mobile qui ne coopère pas avec un des poteaux de guidage.The bracket can also be constituted by two tubes each having one of their two ends fixed to the top of one of the two guide posts, while the two other ends of the tubes are connected to each other, and that their point of intersection is located directly above the angle of the movable plate which does not cooperate with one of the guide posts.

La plate-forme est aussi caractérisée par le fait que chaque poteau de guidage placé contre un pan de mur est relié au poteau de guidage d'angle par un longeron supérieur et par un longeron inférieurThe platform is also characterized by the fact that each guide post placed against a wall section is connected to the corner guide post by an upper beam and by a lower beam

Les dessins ci-joints sont donnés à titre d'exemples indicatifs et non limitatifs. Ils représentent deux modes de réalisation préférés selon l'invention. Ils permettront de comprendre aisément l'invention.The attached drawings are given as indicative and non-limiting examples. They represent two preferred embodiments according to the invention. They will allow the invention to be easily understood.

La figure 1 représente une vue en perspective d'un mode de réalisation préférentielle de la présente invention.Figure 1 shows a perspective view of a preferred embodiment of the present invention.

La figure 2 représente une vue en perspective d'un autre mode de réalisation préférentielle de la présente invention.Figure 2 shows a perspective view of another preferred embodiment of the present invention.

La figure 3 représente un détail d'un poteau de guidage au niveau où se trouve le guide du plateau mobile.FIG. 3 represents a detail of a guide post at the level where the guide of the movable plate is located.

La figure 4 représente une coupe selon A-A de la figure 3.FIG. 4 represents a section along A-A of FIG. 3.

La figure 5 représente une coupe selon B-B de la figure 3.FIG. 5 represents a section along B-B of FIG. 3.

Enfin, la figure 6 représente un détail d'un poteau de guidage au niveau de sa position basse.Finally, Figure 6 shows a detail of a guide post at its low position.

Selon la figure 1, la plate-forme 1 est formée de deux parties essentielles.According to Figure 1, the platform 1 is formed of two essential parts.

Une première partie est appelée structure fixe 2, elle est formée de deux poteaux de guidage 7, 21 qui se trouvent placés contre deux pans de murs 8 adjacents d'une pièce, elle est encore formée d'un poteau de guidage 14 positionné dans l'angle de la pièce formé par les deux pans de murs 8 adjacents et de deux longerons, l'un supérieur 15 et l'autre inférieur 16 par pan de mur 8, permettant de relier l'un des poteaux de guidage 7, 21 au poteau de guidage d'angle 14.A first part is called a fixed structure 2, it is formed by two guide posts 7, 21 which are placed against two sections of walls 8 adjacent to a room, it is also formed by a guide post 14 positioned in the angle of the room formed by the two adjacent sections of walls 8 and two longitudinal members, one upper 15 and the other lower 16 by wall section 8, making it possible to connect one of the guide posts 7, 21 to the corner guide post 14.

Cette structure fixe 2 comporte encore une potence 9 qui est formée par un cylindre 10 qui est fixé par l'une de ses extrémités au sommet du poteau de guidage d'angle 14, l'autre extrémité restant libre.This fixed structure 2 also comprises a bracket 9 which is formed by a cylinder 10 which is fixed by one of its ends to the top of the angle guide post 14, the other end remaining free.

Placée sous la barre 10, afin de la soutenir, une autre barre rigide 11 est reliée par chacune de ses extrémités au sommet de l'un des poteaux de guidage 7, 21.Placed under the bar 10, in order to support it, another rigid bar 11 is connected by each of its ends to the top of one of the guide posts 7, 21.

Les poteaux de guidage 7, 14 et 21, le longeron supérieur 15 ainsi que la barre 10 sont tous creux, afin de laisser passer des moyens de translation verticale 5 qui sont, ici, constitués de câbles et de poulies.The guide posts 7, 14 and 21, the upper spar 15 and the bar 10 are all hollow, in order to allow passage of the vertical translation means 5 which are, here, made up of cables and pulleys.

Ces deux derniers éléments sont représentés très sommairement sur les dessins pour ne pas les charger inutilement avec des éléments qui sont déjà bien connus dans l'état de la technique.These last two elements are shown very briefly on the drawings so as not to load them unnecessarily with elements which are already well known in the state of the art.

Les différents câbles se retrouvent tous au même point, c'est-à-dire à l'aplomb d'un contrepoids 6, qui se trouve situé contre l'un des pans de murs 8.The different cables are all found at the same point, that is to say directly above a counterweight 6, which is located against one of the sections of walls 8.

On peut aussi envisager d'utiliser, que ce soit en association ou non avec le contrepoids 6, un ou plusieurs moteurs électriques, de sorte que l'utilisateur peut actionner le plateau 3, en montée ou en descente, sans aucun effort.One can also consider using, whether in association or not with the counterweight 6, one or more electric motors, so that the user can actuate the plate 3, up or down, without any effort.

Enfin, une seconde partie est appelée plateau mobile 3 et est de forme sensiblement rectangulaire ou carrée.Finally, a second part is called movable plate 3 and is of substantially rectangular or square shape.

Pour cette raison, elle possède quatre angles 4 qui peuvent être de forme moins stéréotypée qu'un angle droit.For this reason, it has four angles 4 which may be less stereotypical in shape than a right angle.

De la même façon, les angles peuvent être différents ou être égaux deux à deux afin de donner une forme de quadrilatère au plateau mobile 3 afin que celui-ci puisse s'adapter à toute forme d'angle d'une pièce.In the same way, the angles can be different or be equal two by two in order to give a quadrilateral shape to the movable plate 3 so that it can adapt to any angle shape of a part.

Quoiqu'il en soit, les quatre angles 4 ont tous une position prédéterminée par la structure fixe 2.Anyway, the four angles 4 all have a predetermined position by the fixed structure 2.

Trois des angles 4 sont proches des trois poteaux de guidage 7, 14 et 21, alors que le quatrième angle 4 est à l'aplomb de l'extrémité libre de la barre 10 de la potence 9.Three of the angles 4 are close to the three guide posts 7, 14 and 21, while the fourth angle 4 is perpendicular to the free end of the bar 10 of the bracket 9.

Enfin, on trouve, placées au niveau des poteaux de guidage 7, 14 et 21, des cales réglables 26 qui permettent de soutenir le plateau mobile 3 en position basse, surtout lorsqu'il est chargé, par exemple avec un matelas pour fournir un lit escamotable.Finally, there are, placed at the level of the guide posts 7, 14 and 21, adjustable wedges 26 which make it possible to support the movable plate 3 in the low position, especially when it is loaded, for example with a mattress to provide a bed. retractable.

La figure 2 est, en tout point, semblable au descriptif de la figure 1.Figure 2 is, in all respects, similar to the description of Figure 1.

La seule différence provient de la potence 9 qui est formée de deux tubes 12.The only difference comes from the stem 9 which is formed by two tubes 12.

Ces deux tubes 12 ayant chacun une de leurs deux extrémités fixée au sommet d'un des deux poteaux de guidage 7 ou 21, alors que les deux autres extrémités des tubes 12 sont reliées l'une à l'autre.These two tubes 12 each having one of their two ends fixed to the top of one of the two guide posts 7 or 21, while the other two ends of the tubes 12 are connected to each other.

Le point d'intersection se situe à l'aplomb de l'angle 4 du plateau mobile 3 qui ne coopère pas avec un des poteaux de guidage 7, 14 et 21.The point of intersection is located directly above the angle 4 of the movable plate 3 which does not cooperate with one of the guide posts 7, 14 and 21.

L'un de ces deux tubes 12 est creux afin de permettre le passage du moyen de translation 5 qui ne se trouve pas dans un des poteaux de guidage 7, 14 et 21.One of these two tubes 12 is hollow in order to allow the passage of the translation means 5 which is not located in one of the guide posts 7, 14 and 21.

Généralement, le tube 12 qui reçoit le moyen de translation 5 est celui qui se trouve fixé au poteau de guidage 7 qui est placé contre le pan de mur 8 où est situé le contrepoids 6, ceci afin de limiter le nombre de renvois dus aux poulies non représentées ici.Generally, the tube 12 which receives the translation means 5 is the one which is fixed to the guide post 7 which is placed against the wall panel 8 where the counterweight 6 is located, this in order to limit the number of returns due to the pulleys not shown here.

Il est bien évident qu'une plaque, non représentée sur les figures 1 et 2, permet de dissimuler le contrepoids 6 de la vue des utilisateurs.It is obvious that a plate, not shown in Figures 1 and 2, conceals the counterweight 6 from the view of users.

Sur la figure 3, la liaison entre la structure fixe 2 et le plateau mobile 3, formant la plate-forme 1, est détaillée.In Figure 3, the connection between the fixed structure 2 and the movable plate 3, forming the platform 1, is detailed.

Les poteaux de guidage 7, 14 ou 21 sont formés d'un élément longitudinal 17 délimitant un logement 18 auquel on peut accéder grâce à une fenêtre longitudinale 20.The guide posts 7, 14 or 21 are formed of a longitudinal element 17 delimiting a housing 18 which can be accessed through a longitudinal window 20.

Placé à l'intérieur du logement 18, de dimensions légèrement inférieures en longueur et en largeur, un guide 28 peut se déplacer grâce à quatre roulettes 22.Placed inside the housing 18, of dimensions slightly smaller in length and in width, a guide 28 can move thanks to four rollers 22.

Une pièce de liaison 19 rigidifie le guide 28 au plateau mobile 3.A connecting piece 19 stiffens the guide 28 to the movable plate 3.

Un moyen de fixation 13 relie la partie supérieure du guide 28 au moyen de translation verticale 5.A fixing means 13 connects the upper part of the guide 28 to the vertical translation means 5.

Les figures 4 et 5 montrent deux coupes au niveau de l'axe de deux roulettes 22 de dispositions différentes.Figures 4 and 5 show two sections at the axis of two rollers 22 of different arrangements.

Dans la figure 4, la roulette 22 a sa bande de roulement située en regard de la fenêtre longitudinale 20 et sur la face opposée de l'élément longitudinal 17.In FIG. 4, the caster 22 has its tread located opposite the longitudinal window 20 and on the opposite face of the longitudinal element 17.

Contre les deux autres faces, les parois du guide 28 sont percées pour laisser passer l'axe 27 de la roulette 22.Against the other two faces, the walls of the guide 28 are drilled to allow the axis 27 of the roller 22 to pass.

Bien entendu, au niveau des bandes de roulement, le guide 28 est absent afin que lesdites bandes de roulement puissent jouer leur rôle.Of course, at the level of the treads, the guide 28 is absent so that said treads can play their role.

Sur la figure 5 c'est exactement la même chose, sauf que l'axe 27 de la roulette 22 est perpendiculaire à celui de la figure 4.In FIG. 5, it is exactly the same thing, except that the axis 27 of the caster 22 is perpendicular to that of FIG. 4.

Le logement 18 est pratiquement rempli par le guide 28 et ses roulettes 22, ce qui permet de ne pas avoir de problèmes de guidage.The housing 18 is practically filled by the guide 28 and its rollers 22, which makes it possible to have no guiding problems.

Il est obligatoire que le diamètre des roulettes 22 soit supérieur à la largeur ou la longueur du guide 28.The diameter of the rollers 22 must be greater than the width or the length of the guide 28.

Selon la figure 6, le plateau mobile 3 est en position basse.According to Figure 6, the movable plate 3 is in the low position.

La cale 26 est présente sur le poteau de guidage 7, 14 ou 21 afin de recevoir ledit plateau mobile 3.The wedge 26 is present on the guide post 7, 14 or 21 in order to receive said movable plate 3.

Cette figure est semblable à celle de la figure 3 néanmoins, il a, en plus, été représenté, le système qui permet de bloquer les guides 28 et, par conséquent, le plateau mobile, soit en position basse, dans l'éventualité où ledit plateau 3 est trop léger et qu'il ne puisse pas monter, soit en position haute dans l'hypothèse où ledit plateau 3 est trop lourd et qu'il ne puisse pas redescendre.This figure is similar to that of Figure 3 however, it has, in addition, been shown, the system which allows to block the guides 28 and, therefore, the movable plate, either in the low position, in the event that said plate 3 is too light and that it cannot rise, ie in the high position in the event that said plate 3 is too heavy and that it cannot descend.

Dans ce but, l'élément longitudinal 17 est transpercé de part en part par deux trous 24.For this purpose, the longitudinal element 17 is pierced right through by two holes 24.

De la même façon, le guide 28 est transpercé de part en part par au moins une ouverture 23.In the same way, the guide 28 is pierced right through by at least one opening 23.

Les trous 24 et les ouvertures 23 peuvent être mis en regard les uns par rapport aux autres, de sorte qu'il soit possible d'y introduire une broche 25.The holes 24 and the openings 23 can be placed opposite one another, so that it is possible to introduce a pin 25 therein.

Pour résumer les commentaires faits à propos des figures, un des objets de la présente invention est de proposer que chaque poteau 7, 14, 21 est formé par un élément longitudinal 17 présentant un logement 18 qui comporte une fenêtre longitudinale 20.To summarize the comments made with regard to the figures, one of the objects of the present invention is to propose that each post 7, 14, 21 is formed by a longitudinal element 17 having a housing 18 which includes a longitudinal window 20.

Un objet de la présente invention est, aussi, de proposer que le logement 18 de chaque poteau de guidage 7, 14, 21 autorise le passage d'un guide 28 muni d'au moins une roulette 22.It is also an object of the present invention to propose that the housing 18 of each guide post 7, 14, 21 allows the passage of a guide 28 provided with at least one roller 22.

Encore un autre objet est que chaque guide 28 est fixé, dans sa partie supérieure, à l'un des moyens de translation 5 et, dans sa partie latérale, à un des angles 4 du plateau mobile 3, en regard avec la fenêtre 20 de l'élément longitudinal 17.Yet another object is that each guide 28 is fixed, in its upper part, to one of the translation means 5 and, in its lateral part, to one of the angles 4 of the movable plate 3, facing the window 20 of the longitudinal element 17.

D'autre part, au moins un guide 28 est transpercé, perpendiculairement à son axe, par deux ouvertures 23.On the other hand, at least one guide 28 is pierced, perpendicular to its axis, by two openings 23.

De même, au moins un poteau de guidage 7, 14, 21 est transpercé, perpendiculairement à son axe, par au moins deux trous 24, un en position basse et un en position haute, de sorte que, lorsque l'ouverture 23 du guide 28 se trouve en regard avec l'un des trous 24 du poteau de guidage 7, 14 ou 21, une broche 25 peut y être insérée afin que le plateau mobile 3, en position basse, ne puisse plus se lever, ou que le plateau mobile 3, en position haute, ne puisse plus descendre.Likewise, at least one guide post 7, 14, 21 is pierced, perpendicular to its axis, by at least two holes 24, one in the low position and one in the high position, so that when the opening 23 of the guide 28 is located opposite one of the holes 24 of the guide post 7, 14 or 21, a pin 25 can be inserted there so that the movable plate 3, in the low position, can no longer rise, or that the plate mobile 3, in the high position, can no longer descend.

Encore un autre objet de l'invention est de proposer une plate-forme 1 où, au moins, un poteau de guidage 7, 14 ou 21 reçoit une cale réglable 26 sur laquelle le plateau mobile 3 vient se reposer en position basse.Yet another object of the invention is to provide a platform 1 where, at least, a guide post 7, 14 or 21 receives an adjustable wedge 26 on which the movable plate 3 comes to rest in the low position.

Enfin, un objet de l'invention est de proposer une plate-forme 1, où un élément de soutien peut être constitué par une petite échelle ou un piquet, et être replié sous le plateau mobile 3, puis déplié dans une position verticale au niveau de l'angle 4 dudit plateau 3, qui ne coopère pas avec un des poteaux de guidage 7, 14 ou 21, l'élément de soutien faisant alors fonction de béquille de soutien du plateau mobile 3 cet élément de soutien n'est pas représenté sur les figures.Finally, an object of the invention is to provide a platform 1, where a support element can be constituted by a small ladder or a stake, and be folded under the movable plate 3, then unfolded in a vertical position at the level of the angle 4 of said plate 3, which does not cooperate with one of the guide posts 7, 14 or 21, the support element then acting as a support crutch of the movable plate 3 this support element is not shown in the figures.

La plate-forme 1 selon l'invention permet donc de libérer un maximum d'espace lorsque le plateau 3 est levé, grâce à l'utilisation de trois poteaux 7, 14 et 21, mais elle permet aussi d'avoir une stabilité plus grande dudit plateau 3 qui est maintenu grâce à quatre moyens de translation verticale 5 fixés à chacun de ses angles 4, et même, éventuellement, par une béquille de soutien lorsque le plateau mobile 3 est en position basse.The platform 1 according to the invention therefore makes it possible to free up a maximum of space when the plate 3 is raised, thanks to the use of three posts 7, 14 and 21, but it also makes it possible to have greater stability. said plate 3 which is maintained by four vertical translation means 5 fixed to each of its angles 4, and even, optionally, by a support stand when the movable plate 3 is in the low position.

Des garde-corps amovibles peuvent être placés le long des deux côtés du plateau mobile 3 qui ne se trouvent pas du côté des murs 8, de sorte qu'il soit impossible que des personnes ou des objets ne tombent au sol.Removable railings can be placed along the two sides of the movable plate 3 which are not on the side of the walls 8, so that it is impossible for people or objects to fall to the ground.

REFERENCESREFERENCES

11
Plate-formePlatform
22
Structure fixeFixed structure
33
Plateau mobileMovable platform
44
AnglesAngles
55
Moyens de translation verticaleMeans of vertical translation
66
ContrepoidsCounterweight
77
Poteau de guidageGuide post
88
MursWalls
99
PotenceGallows
1010
BarreClosed off
1111
Barre rigideRigid bar
1212
TubesTubes
1313
Moyen de fixationFixing method
1414
Poteau de guidage d'angleCorner guide post
1515
Longeron supérieurUpper side member
1616
Longeron inférieurBottom rail
1717
Elément longitudinalLongitudinal element
1818
LogementHousing
1919
Pièce de liaisonConnecting piece
2020
Fenêtre longitudinaleLongitudinal window
2121
Poteau de guidageGuide post
2222
RouletteRoulette
2323
OuvertureOpening
2424
TrousHoles
2525
BrocheBrooch
2626
Cale réglableAdjustable shim
2727
AxeAxis
2828
GuideGuide

Claims (12)

Plate-forme (1) à destination de mezzanine ou de toute autre utilisation similaire comportant une structure fixe (2) et un plateau mobile (3) en translation comportant quatre angles (4), chaque angle (4) dudit plateau étant fixé à un moyen de translation verticale (5) qui aboutit à un contrepoids (6), caractérisée par le fait
   que la structure fixe (2) comporte : - trois poteaux de guidage (7, 14, 21) qui coopèrent avec trois moyens de translation (5), et - une potence (9) placée dans la partie supérieure de la plate-forme (1) qui coopère avec le quatrième moyen de translation (5). Platform (1) intended for mezzanine or any other similar use comprising a fixed structure (2) and a movable plate (3) in translation comprising four angles (4), each angle (4) of said plate being fixed to a vertical translation means (5) which leads to a counterweight (6), characterized by the fact
that the fixed structure (2) comprises: - three guide posts (7, 14, 21) which cooperate with three translation means (5), and - A bracket (9) placed in the upper part of the platform (1) which cooperates with the fourth translation means (5). Plate-forme selon la revendication 1, caractérisée par le fait
   que deux des poteaux de guidage (7, 21) sont placés contre deux pans de murs (8) adjacents formant la pièce, et que le troisième poteau (14) est placé dans l'angle formé par les deux pans de murs cités précédemment.Platform according to claim 1, characterized in that
that two of the guide posts (7, 21) are placed against two adjacent sections of walls (8) forming the room, and that the third post (14) is placed in the angle formed by the two sections of walls mentioned above. Plate-forme selon l'une quelconque des revendications 1 ou 2, caractérisée par le fait
   que la potence (9) est constituée par une barre (10) dont l'une des extrémités est fixée au sommet du poteau de guidage (14) qui se trouve dans l'angle de la pièce, l'extrémité libre étant située à l'aplomb de l'angle (4) du plateau mobile (3) qui ne coopère pas avec un des poteaux de guidage (7), ladite barre (10) étant soutenue par une autre barre rigide (11) dont les deux extrémités sont fixées aux sommets des deux autres poteaux de guidage (7, 21).Platform according to either of Claims 1 or 2, characterized in that
that the bracket (9) is constituted by a bar (10) one end of which is fixed to the top of the guide post (14) which is in the corner of the part, the free end being located at the plumb with the angle (4) of the movable plate (3) which does not cooperate with one of the guide posts (7), said bar (10) being supported by another rigid bar (11) whose two ends are fixed at the tops of the other two guide posts (7, 21). Plate-forme selon l'une quelconque des revendications 1 ou 2, caractérisée par le fait
   que la potence (9) est constituée par deux tubes (12) ayant chacun une de leurs deux extrémités fixée au sommet d'un des deux poteaux de guidage (7, 21), alors que les deux autres extrémités des tubes (12) sont reliées l'une à l'autre, et que leur point d'intersection se situe à l'aplomb de l'angle (4) du plateau mobile (3) qui ne coopère pas avec un des poteaux de guidage (7, 14, 21).Platform according to either of Claims 1 or 2, characterized in that
that the bracket (9) consists of two tubes (12) each having one of their two ends fixed to the top of one of the two guide posts (7, 21), while the other two ends of the tubes (12) are connected to each other, and that their point of intersection is located directly above the angle (4) of the movable plate (3) which does not cooperate with one of the guide posts (7, 14, 21). Plate-forme selon l'une quelconque des revendications 1, 2, 3 ou 4, caractérisée par le fait
   que chaque poteau de guidage (7, 21) est relié au poteau de guidage (14) d'angle par un longeron supérieur (15) et par un longeron inférieur (16).Platform according to any one of claims 1, 2, 3 or 4, characterized by the fact
that each guide post (7, 21) is connected to the corner guide post (14) by an upper beam (15) and by a lower beam (16). Plate-forme selon l'une quelconque des revendications 1, 2, 3, 4 ou 5, caractérisée par le fait
   que chaque poteau (7, 14, 21) est formé par un élément longitudinal (17) présentant un logement (18), comportant une fenêtre longitudinale (20).Platform according to any one of claims 1, 2, 3, 4 or 5, characterized in that
that each post (7, 14, 21) is formed by a longitudinal element (17) having a housing (18), comprising a longitudinal window (20). Plate-forme selon la revendication 6, caractérisée par le fait
   que le logement (18) de chaque poteau (7, 14, 21) autorise le passage d'un guide (28) muni d'au moins une roulette (22).Platform according to claim 6, characterized in that
that the housing (18) of each post (7, 14, 21) allows the passage of a guide (28) provided with at least one roller (22). Plate-forme selon la revendication 7, caractérisée par le fait que chaque guide (28) est fixé, dans sa partie supérieure, à l'un des moyens de translation (5) et, dans sa partie latérale à un des angles (4) du plateau mobile (3), qui est placé en regard avec la fenêtre (20) de l'élément longitudinal (17).Platform according to claim 7, characterized in that each guide (28) is fixed, in its upper part, to one of the translation means (5) and, in its lateral part to one of the angles (4) of the movable plate (3), which is placed opposite the window (20) of the longitudinal element (17). Plate-forme selon l'une quelconque des revendications 7 ou 8, caractérisée par le fait
   qu'au moins un guide (28) est transpercé, perpendiculairement à son axe, par au moins une ouverture (23)Platform according to either of Claims 7 or 8, characterized in that
at least one guide (28) is pierced, perpendicular to its axis, by at least one opening (23) Plate-forme selon la revendication 9, caractérisée par le fait
   qu'au moins un poteau de guidage (7, 14, 21) est transpercé, perpendiculairement à son axe, par au moins deuxtrous (24), un en position haute, un en position basse, de sorte que lorsque l'ouverture (23) du guide (28) se trouve en regard avec l'un des trous (24) du poteau de guidage (7, 14, 21), une broche (25) peut y être insérée afin que le plateau (3) en position basse ne puisse plus se lever ou que le plateau (3) en position haute ne puisse plus descendre.Platform according to claim 9, characterized in that
that at least one guide post (7, 14, 21) is pierced, perpendicular to its axis, by at least two holes (24), one in the high position, one in the low position, so that when the opening (23 ) of the guide (28) is located opposite one of the holes (24) of the guide post (7, 14, 21), a pin (25) can be inserted therein so that the plate (3) in the low position can no longer stand up or the platform (3) in the high position can no longer descend. Plate-forme selon l'une quelconque des revendications 1, 2, 3, 4, 5, 6 ou 10, caractérisée par le fait
   qu'au moins un poteau de guidage (7, 14, 21) reçoit une cale réglable (26) sur laquelle le plateau (3) vient se reposer en position basse.Platform according to any one of claims 1, 2, 3, 4, 5, 6 or 10, characterized in that
that at least one guide post (7, 14, 21) receives an adjustable shim (26) on which the plate (3) comes to rest in the low position. Plate-forme selon l'une quelconque des revendications 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ou 11, caractérisée par le fait
   qu'un élément de soutien, replié sous le plateau (3), est déplié dans une position verticale au niveau de l'angle (4) dudit plateau (3), qui ne coopère pas avec un des poteaux de guidage (7), (14) ou (21), l'élément de soutien faisant alors fonction de béquille de soutien du plateau (3).Platform according to any one of claims 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11, characterized in that
that a support element, folded under the plate (3), is unfolded in a vertical position at the angle (4) of said plate (3), which does not cooperate with one of the guide posts (7), (14) or (21), the support element then acting as a support stand for the plate (3).
EP93480158A 1992-10-13 1993-10-11 A vertically movable platform Withdrawn EP0593388A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9212507A FR2696728B1 (en) 1992-10-13 1992-10-13 Vertical displacement platform.
FR9212507 1992-10-13

Publications (1)

Publication Number Publication Date
EP0593388A1 true EP0593388A1 (en) 1994-04-20

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ID=9434682

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Application Number Title Priority Date Filing Date
EP93480158A Withdrawn EP0593388A1 (en) 1992-10-13 1993-10-11 A vertically movable platform

Country Status (3)

Country Link
US (1) US5377787A (en)
EP (1) EP0593388A1 (en)
FR (1) FR2696728B1 (en)

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US5377787A (en) 1995-01-03
FR2696728A1 (en) 1994-04-15
FR2696728B1 (en) 1994-12-30

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