EP1472420A1 - Flexibly assembled three-dimensional dynamic structure - Google Patents

Flexibly assembled three-dimensional dynamic structure

Info

Publication number
EP1472420A1
EP1472420A1 EP03717382A EP03717382A EP1472420A1 EP 1472420 A1 EP1472420 A1 EP 1472420A1 EP 03717382 A EP03717382 A EP 03717382A EP 03717382 A EP03717382 A EP 03717382A EP 1472420 A1 EP1472420 A1 EP 1472420A1
Authority
EP
European Patent Office
Prior art keywords
elements
flexible
rigid
structure according
dynamic structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03717382A
Other languages
German (de)
French (fr)
Other versions
EP1472420B1 (en
Inventor
Vincent Gallix
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.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1472420A1 publication Critical patent/EP1472420A1/en
Application granted granted Critical
Publication of EP1472420B1 publication Critical patent/EP1472420B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/344—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts
    • E04B1/3441—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts with articulated bar-shaped elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1996—Tensile-integrity structures, i.e. structures comprising compression struts connected through flexible tension members, e.g. cables

Definitions

  • the present invention relates to a dynamic three-dimensional structure with flexible assembly.
  • the invention relates to a deformable structure, of the kind consisting of articulated tubular elements, connected to junction points, or nodes, and generally configured to essentially constitute elements used in the composition of load-bearing structures.
  • the device according to the present invention aims to remedy this state of affairs. It makes it possible to produce simple or complex structures, light, resistant, simple to manufacture and at a very low cost price compared to similar constructions. It consists of an assembly of alternately rigid and flexible elongated elements associated with systems making it possible to control the deformation of this assembly, the flexible elements being arranged to connect two or more rigid elements.
  • FIG. 1 represents a part of the structure in accordance with the invention
  • FIG. 2 is an enlargement of detail D1 of the preceding figure showing an articulation in partial axial section
  • FIG. 3 represents a deformable structure comprising rigid elements hinged together
  • FIGS. 4 and 5 show parts of structures whose flexible elements are connected to three, respectively four rigid elements.
  • the device is formed of a series of rigid elements 1 consisting of tubes or elements with hollow ends, articulated by flexible elements 2 connecting the ends of said tubes or elements in pairs.
  • the rigid elements 1 can be produced in all the usual materials such as metals or synthetic materials, whether or not reinforced with fibers, or in natural materials, or even in material of the composite type. For some applications, they may be made of wooden elements.
  • the flexible elements 2 consist of sections of steel cable of diameter substantially equal to the internal diameter of the tubes 1.
  • the assembly is carried out by inserting the ends 3 of each flexible element in the channel of two rigid elements 1.
  • the cable constituting the flexible elements will advantageously be coated with a sheath 4 which may or may not be transparent.
  • the three-dimensional structure will be formed by hinging them together or by connecting certain tubes 1, for example by means of pivots 5, flexible links loop or any other means for stabilizing the assembly, such as spacers or links connecting two or more rigid elements 1 (Figure 3).
  • the flexible elements 2 can be arranged to connect more than two rigid elements 1.
  • FIG. 5 represents four rigid elements assembled using two flexible elements secured in their middle by means of a sleeve 6 which can be replaced by a ring.
  • the flexible elements 2 preferably made of steel cable inserted in the rigid elements, may however be made of any other deformable material having a comparable spring effect tending to cause these elements to take a rectilinear shape when they are released from any constraint.
  • These flexible elements may be formed of pieces of tube, or of helical springs, fitting onto the ends arranged for this purpose of rigid elements, tubular or not.
  • the assembly of the rigid elements 1 with the flexible elements 2 can be fixed or produced so as to allow all or part of the rigid elements to pivot along their longitudinal axis relative to the flexible elements (arrow F1, FIG. 1).
  • the dynamic structure may consist of a continuous cable along which are rigid tubular sections which are threaded and fixed, or comprising zones coated with a rigid material (of the composite type for example) or treated by bathing. in metallic material.
  • the dynamic structure may consist of a single monobloc element of the same material treated by physical and / or chemical means to present alternately different characteristics depending on the zones (deformable, non-deformable).
  • the design of the structure according to the invention makes it possible to envisage a very large number of extremely varied applications, for example: - Springs, jacks.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Tents Or Canopies (AREA)
  • Laminated Bodies (AREA)
  • Toys (AREA)
  • Electric Cable Arrangement Between Relatively Moving Parts (AREA)
  • Details Of Indoor Wiring (AREA)
  • Aerials With Secondary Devices (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Prostheses (AREA)

Abstract

A flexibly assembled three-dimensional dynamic structure includes a plurality of rigid elongated elements, a plurality of flexible elongated elements, and at least one coupling device associated with at least two of the plurality of rigid elongated elements. The plurality of flexible elongated elements and the plurality of rigid elongated elements are assembled in an alternating manner. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.

Description

STRUCTURE DYNAMIQUE TRIDIMENSIONNELLE A ASSEMBLAGE SOUPLETHREE-DIMENSIONAL DYNAMIC STRUCTURE WITH FLEXIBLE ASSEMBLY
La présente invention a pour objet une structure dynamique tridimensionnelle à assemblage souple.The present invention relates to a dynamic three-dimensional structure with flexible assembly.
Elle concerne le domaine industriel et commercial de la fabrication et de la diffusion d'articles destinés aussi bien à la réalisation d'objets décoratifs ou fonctionnels qu'a constituer l'ossature ou le squelette de certains éléments.It relates to the industrial and commercial field of the manufacture and distribution of articles intended as well for the realization of decorative or functional objects as to constitute the framework or the skeleton of certain elements.
L'invention est relative à une structure déformable, du genre constituée d'éléments tubulaires articulés, reliés à des points de jonction, ou noeuds, et généralement configurés pour constituer essentiellement des éléments entrant dans la composition de structures portantes.The invention relates to a deformable structure, of the kind consisting of articulated tubular elements, connected to junction points, or nodes, and generally configured to essentially constitute elements used in the composition of load-bearing structures.
En raison de leur souplesse, les structures connues de ce type sont souvent instables. Pour remédier à cet inconvénient, on a rajouté des profils métalliques ou magnétiques qui reprennent les noeuds et donnent la stabilité et le juste dimensionnement à la structure.Due to their flexibility, known structures of this type are often unstable. To remedy this drawback, metallic or magnetic profiles have been added which take up the knots and give stability and the correct dimensioning to the structure.
Malheureusement, l'utilisation de ces profils a pour conséquence l'accroissement du poids des structures et de leur coût. De plus, les extrémités des tubes constitutifs sont réalisées avec des pièces rapportées comportant des parties, généralement en matière plastique, manquant de stabilité dans leur montage dans les noeuds.Unfortunately, the use of these profiles has the consequence of increasing the weight of the structures and their cost. In addition, the ends of the constituent tubes are made with inserts comprising parts, generally made of plastic, lacking stability in their mounting in the nodes.
Le dispositif selon la présente invention a pour objectif de remédier à cet état de choses. Il permet en effet de réaliser des structures simples ou complexes, légères, résistantes, simples à fabriquer et d'un prix de revient très bas comparativement à des réalisations similaires. II est constitué d'un assemblage d'éléments allongés alternativement rigides et souples associés à des systèmes permettant de maîtriser la déformation de cet assemblage, les éléments souples étant agencés pour relier deux ou plusieurs éléments rigides.The device according to the present invention aims to remedy this state of affairs. It makes it possible to produce simple or complex structures, light, resistant, simple to manufacture and at a very low cost price compared to similar constructions. It consists of an assembly of alternately rigid and flexible elongated elements associated with systems making it possible to control the deformation of this assembly, the flexible elements being arranged to connect two or more rigid elements.
Sur les dessins annexés, donnés à titre d'exemples non limitatifs de formes de réalisations conformes à la présente demande : la figure 1 représente une partie de structure conforme à l'invention, la figure 2 est un agrandissement du détail D1 de la figure précédente montrant une articulation en coupe axiale partielle, la figure 3 représente une structure déformable comportant des éléments rigides articulés entre eux et les figures 4 et 5 montrent des parties de structures dont les éléments souples sont raccordés à trois, respectivement quatre éléments rigides.In the accompanying drawings, given by way of nonlimiting examples of embodiments in accordance with the present application: FIG. 1 represents a part of the structure in accordance with the invention, FIG. 2 is an enlargement of detail D1 of the preceding figure showing an articulation in partial axial section, FIG. 3 represents a deformable structure comprising rigid elements hinged together and FIGS. 4 and 5 show parts of structures whose flexible elements are connected to three, respectively four rigid elements.
Le dispositif, figures 1 à 5, est formé d'une série d'éléments rigides 1 constitués de tubes ou d'éléments à extrémités creuses, articulés grâce à des éléments souples 2 reliant les extrémités des dits tubes ou éléments deux à deux.The device, Figures 1 to 5, is formed of a series of rigid elements 1 consisting of tubes or elements with hollow ends, articulated by flexible elements 2 connecting the ends of said tubes or elements in pairs.
Les éléments rigides 1 peuvent être réalisés dans tous les matériaux usuels tels que les métaux ou les matières synthétiques renforcées ou non de fibres, ou en matériaux naturels, ou encore en matériau de type composite. Pour certaines applications, ils pourront être constitués d'éléments en bois.The rigid elements 1 can be produced in all the usual materials such as metals or synthetic materials, whether or not reinforced with fibers, or in natural materials, or even in material of the composite type. For some applications, they may be made of wooden elements.
Les éléments souples 2 sont constitués de tronçons de câble acier de diamètre sensiblement égal au diamètre interne des tubes 1.The flexible elements 2 consist of sections of steel cable of diameter substantially equal to the internal diameter of the tubes 1.
L'assemblage est réalisé en insérant les extrémités 3 de chaque élément souple dans le canal de deux éléments rigides 1.The assembly is carried out by inserting the ends 3 of each flexible element in the channel of two rigid elements 1.
Le câble constituant les éléments souples sera avantageusement revêtu d'une gaine 4 transparente ou non.The cable constituting the flexible elements will advantageously be coated with a sheath 4 which may or may not be transparent.
La structure tridimensionnelle sera constituée en articulant entre eux ou en reliant certains tubes 1 , par exemple au moyen de pivots 5, de liens souples en boucle ou de tous autres moyens permettant de stabiliser l'assemblage, tels qu'entretoises ou liens reliant deux ou plusieurs éléments rigides 1 (figure 3).The three-dimensional structure will be formed by hinging them together or by connecting certain tubes 1, for example by means of pivots 5, flexible links loop or any other means for stabilizing the assembly, such as spacers or links connecting two or more rigid elements 1 (Figure 3).
Les éléments souples 2 pourront être agencés pour relier plus de deux éléments rigides 1.The flexible elements 2 can be arranged to connect more than two rigid elements 1.
Sur la figure 4, on peut voir l'assemblage de trois éléments rigides à l'aide de deux éléments souples 2, l'extrémité de l'un des éléments rigides l' étant conçue pour recevoir deux éléments souples.In Figure 4, we can see the assembly of three rigid elements using two flexible elements 2, the end of one of the rigid elements being designed to receive two flexible elements.
La figure 5 représente quatre éléments rigides assemblés grâce à deux éléments souples solidarisés en leur milieu au moyen d'un manchon 6 qui peut être remplacé par un anneau.FIG. 5 represents four rigid elements assembled using two flexible elements secured in their middle by means of a sleeve 6 which can be replaced by a ring.
Les éléments souples 2, de préférence réalisés en câble acier s'insérant dans les éléments rigides, peuvent cependant être constitués de tout autre matériau déformable présentant un effet ressort comparable tendant à faire prendre à ces éléments une forme rectiligne lorsqu'ils sont libérés de toute contrainte. Ces éléments souples peuvent être formés de morceaux de tube, ou de ressorts hélicoïdaux, s'emmanchant sur les extrémités agencées à cet effet d'éléments rigides tubulaires ou non.The flexible elements 2, preferably made of steel cable inserted in the rigid elements, may however be made of any other deformable material having a comparable spring effect tending to cause these elements to take a rectilinear shape when they are released from any constraint. These flexible elements may be formed of pieces of tube, or of helical springs, fitting onto the ends arranged for this purpose of rigid elements, tubular or not.
L'assemblage des éléments rigides 1 avec les éléments souples 2 peut être fixe ou réalisé de manière à permettre à tout ou partie des éléments rigides de pivoter selon leur axe longitudinal par rapport aux éléments souples (flèche F1 , figure 1).The assembly of the rigid elements 1 with the flexible elements 2 can be fixed or produced so as to allow all or part of the rigid elements to pivot along their longitudinal axis relative to the flexible elements (arrow F1, FIG. 1).
Selon une première variante d'exécution, la structure dynamique peut consister en un câble continu le long duquel sont enfilés et fixés des tronçons rigides tubulaires, ou comportant des zones revêtues d'une matière rigide (de type composite par exemple) ou traitées par bain dans un matériau métallique.According to a first alternative embodiment, the dynamic structure may consist of a continuous cable along which are rigid tubular sections which are threaded and fixed, or comprising zones coated with a rigid material (of the composite type for example) or treated by bathing. in metallic material.
Selon une seconde variante d'exécution, la structure dynamique peut être constituée d'un seul élément monobloc d'une même matière traitée par des moyens physiques et/ou chimiques pour présenter alternativement des caractéristiques différentes selon les zones (déformable, non déformable). La conception de la structure selon l'invention permet d'envisager un très grand nombre d'applications extrêmement variées, par exemple : - Ressorts, vérins.According to a second alternative embodiment, the dynamic structure may consist of a single monobloc element of the same material treated by physical and / or chemical means to present alternately different characteristics depending on the zones (deformable, non-deformable). The design of the structure according to the invention makes it possible to envisage a very large number of extremely varied applications, for example: - Springs, jacks.
- Structures spatiales autodépliables pour espace et aéronautique.- Self-expanding space structures for space and aeronautics.
- Tentes diverses, affûts de chasse, serres.- Various tents, hunting carriages, greenhouses.
- Structures pour constructions légères.- Structures for light constructions.
- Antennes de télécommunication, pour radars. - Barrières et clôtures diverses.- Telecommunication antennas, for radars. - Various barriers and fences.
- Accastillage pour bateaux, à voiles ou non.- Hardware for boats, with or without sails.
- Ossatures associées à des textiles, par exemple : sacs- Frames associated with textiles, for example: bags
- Écarteurs chirurgicaux et autres.- Surgical retractors and others.
- Support pour objets divers tels que plat à coquillage, pour marchands ambulants, fleuristes.- Support for various objects such as seashell dish, for street vendors, florists.
- Piètement pour mobilier, tables, chaises, lampes, etc, pliable ou non.- Base for furniture, tables, chairs, lamps, etc., foldable or not.
- Bracelets, bijoux, montures de lunettes- Bracelets, jewelry, glasses frames
- Dessous de plats. - Armatures pour tubes, gaines, étuis en matériaux divers tels que matières plastiques et composites, bétons, etc.- Coasters. - Armatures for tubes, sheaths, cases in various materials such as plastics and composites, concretes, etc.
- Structures de textiles techniques, filtres.- Technical textiles structures, filters.
- Éléments de fixation nécessitant une déformation maîtrisée et limitée.. - Etc- Fasteners requiring controlled and limited deformation. - Etc
Le positionnement des divers éléments constitutifs donne à l'objet de l'invention un maximum d'effets utiles qui n'avaient pas été, à ce jour, obtenus par des dispositifs similaires. The positioning of the various constituent elements gives the object of the invention a maximum of useful effects which had not, to date, been obtained by similar devices.

Claims

REVENDICATIONS
1 °. Structure dynamique tridimensionnelle à assemblage souple, ayant pour objet la réalisation d'articles destinés aussi bien à la réalisation d'objets décoratifs ou fonctionnels qu'a constituer l'ossature ou le squelette de certains éléments, constituée d'un assemblage d'éléments allongés alternativement rigides (1) et souples (2) associés à un ou plusieurs moyens (5) permettant de maîtriser la déformation de cet assemblage, caractérisée en ce les éléments souples (2) sont constitués d'un matériau déformable présentant un effet ressort tendant à leur faire prendre une forme rectiligne lorsqu'ils sont libérés de toute contrainte.1 °. Dynamic three-dimensional structure with flexible assembly, having for object the production of articles intended as well for the realization of decorative or functional objects as to constitute the framework or the skeleton of certain elements, consisting of an assembly of elongated elements alternately rigid (1) and flexible (2) associated with one or more means (5) making it possible to control the deformation of this assembly, characterized in that the flexible elements (2) are made of a deformable material having a spring effect tending to make them take a rectilinear shape when they are freed from all constraints.
2°. Structure dynamique selon la revendication 1 , se caractérisant par le fait que les éléments souples (2) sont réalisés en câble acier.2 °. Dynamic structure according to claim 1, characterized in that the flexible elements (2) are made of steel cable.
3°. Structure dynamique selon l'une quelconque des revendications précédentes, se caractérisant par le fait que les éléments rigides (1) sont constitués de tubes ou d'éléments à extrémités creuses dans lesquelles s'insèrent les extrémités des éléments souples (2).3 °. Dynamic structure according to any one of the preceding claims, characterized in that the rigid elements (1) consist of tubes or elements with hollow ends into which the ends of the flexible elements (2) are inserted.
4°. Structure dynamique selon l'une quelconque des revendications précédentes, se caractérisant par le fait qu'une partie ou la totalité des assemblages entre éléments rigides (1) et éléments souples (2) est réalisée de manière à permettre à l'élément rigide de pivoter (flèche F1) selon son axe longitudinal par rapport à l'élément souple.4 °. Dynamic structure according to any one of the preceding claims, characterized in that part or all of the connections between rigid elements (1) and flexible elements (2) are produced so as to allow the rigid element to pivot (arrow F1) along its longitudinal axis relative to the flexible element.
5°. Structure dynamique selon la revendication 2, se caractérisant par le fait que qu'elle est constituée d'au moins un câble continu le long duquel sont enfilés et fixés des tronçons tubulaires rigides. 6°. Structure dynamique selon la revendication 1 , se caractérisant par le fait que les éléments souples (2) sont formés de morceaux de tube ou de ressorts hélicoïdaux s'emmanchant sur les extrémités d'éléments rigides (1) tubulaires ou non.5 °. Dynamic structure according to claim 2, characterized in that it consists of at least one continuous cable along which are threaded and fixed rigid tubular sections. 6 °. Dynamic structure according to claim 1, characterized in that the flexible elements (2) are formed of pieces of tube or helical springs fitting onto the ends of rigid elements (1) tubular or not.
7°. Structure dynamique selon la revendication 1 , se caractérisant par le fait qu'elle est constituée d'un seul élément monobloc d'une même matière traitée par des moyens physiques et/ou chimiques pour présenter alternativement des caractéristiques différentes selon les zones, de façon à ce que lesdites zones soient successivement déformables et non déformables.7 °. Dynamic structure according to claim 1, characterized in that it consists of a single monobloc element of the same material treated by physical and / or chemical means to present alternately different characteristics according to the zones, so as to that said zones are successively deformable and non-deformable.
8°. Structure dynamique selon la revendication 7, se caractérisant par le fait qu'elle comporte des zones revêtues d'une matière rigide ou traitées par bain dans un matériau métallique.8 °. Dynamic structure according to Claim 7, characterized in that it comprises zones coated with a rigid material or treated by bathing in a metallic material.
9°. Structure dynamique selon l'une quelconque des revendications précédentes, se caractérisant par le fait que chaque élément souple (2) est agencé pour relier deux éléments rigides.9 °. Dynamic structure according to any one of the preceding claims, characterized in that each flexible element (2) is arranged to connect two rigid elements.
10°. Structure dynamique selon l'une quelconque des revendications10 °. Dynamic structure according to any one of the claims
1 à 7, se caractérisant par le fait que les éléments souples (2) sont agencés pour relier plus de deux éléments rigides (1 ).1 to 7, characterized in that the flexible elements (2) are arranged to connect more than two rigid elements (1).
11 °. Structure dynamique selon l'une quelconque des revendications précédentes, se caractérisant par le fait que les éléments souples (2) sont revêtus d'une gaine (4) transparente ou non.11 °. Dynamic structure according to any one of the preceding claims, characterized in that the flexible elements (2) are coated with a sheath (4) which is transparent or not.
12°. Structure dynamique selon l'une quelconque des revendications précédentes, se caractérisant par le fait que certains éléments rigides (1) sont articulés ou reliés entre eux au moyen de pivots (5), de liens souples en boucle ou de tout autre moyen permettant de stabiliser l'assemblage, tels qu'entretoises ou liens reliant deux ou plusieurs éléments rigides (1). 12 °. Dynamic structure according to any one of the preceding claims, characterized in that certain rigid elements (1) are articulated or connected to each other by means of pivots (5), flexible looped links or any other means making it possible to stabilize the assembly, such as spacers or links connecting two or more rigid elements (1).
EP03717382A 2002-02-07 2003-02-07 Flexibly assembled three-dimensional dynamic structure Expired - Lifetime EP1472420B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0201469A FR2835590B1 (en) 2002-02-07 2002-02-07 THREE-DIMENSIONAL DYNAMIC STRUCTURE WITH FLEXIBLE ASSEMBLY
FR0201469 2002-02-07
PCT/FR2003/000385 WO2003066983A1 (en) 2002-02-07 2003-02-07 Flexibly assembled three-dimensional dynamic structure

Publications (2)

Publication Number Publication Date
EP1472420A1 true EP1472420A1 (en) 2004-11-03
EP1472420B1 EP1472420B1 (en) 2007-04-11

Family

ID=27619973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03717382A Expired - Lifetime EP1472420B1 (en) 2002-02-07 2003-02-07 Flexibly assembled three-dimensional dynamic structure

Country Status (7)

Country Link
US (1) US20050050828A1 (en)
EP (1) EP1472420B1 (en)
AT (1) ATE359410T1 (en)
DE (1) DE60313126T2 (en)
ES (1) ES2285111T3 (en)
FR (1) FR2835590B1 (en)
WO (1) WO2003066983A1 (en)

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US11624181B2 (en) * 2016-08-22 2023-04-11 Jessie Edward Hudlow Disaster-resistant structure and method for securing disaster-resistant structures to a body of cast material
FR3091743B1 (en) 2019-01-14 2021-01-08 Briconord Folding trestle
CN113348291B (en) * 2019-03-19 2022-12-30 朱承欣 Integrated hinge for furniture

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US4115975A (en) * 1977-08-11 1978-09-26 University Of Utah Foldable/extensible structure
US4259825A (en) * 1979-02-23 1981-04-07 Nasa Foldable beam
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Also Published As

Publication number Publication date
ES2285111T3 (en) 2007-11-16
FR2835590B1 (en) 2005-06-10
WO2003066983A8 (en) 2004-10-28
US20050050828A1 (en) 2005-03-10
WO2003066983A1 (en) 2003-08-14
ATE359410T1 (en) 2007-05-15
DE60313126T2 (en) 2007-12-20
EP1472420B1 (en) 2007-04-11
FR2835590A1 (en) 2003-08-08
DE60313126D1 (en) 2007-05-24

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