EP0313925B1 - Système à noeuds et barres - Google Patents

Système à noeuds et barres Download PDF

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Publication number
EP0313925B1
EP0313925B1 EP88116979A EP88116979A EP0313925B1 EP 0313925 B1 EP0313925 B1 EP 0313925B1 EP 88116979 A EP88116979 A EP 88116979A EP 88116979 A EP88116979 A EP 88116979A EP 0313925 B1 EP0313925 B1 EP 0313925B1
Authority
EP
European Patent Office
Prior art keywords
node
bar
bodies
knot
nodal
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.)
Expired - Lifetime
Application number
EP88116979A
Other languages
German (de)
English (en)
Other versions
EP0313925A1 (fr
Inventor
Friedrich B. Grimm
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.)
Schueco International KG
Original Assignee
Schueco International KG
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 Schueco International KG filed Critical Schueco International KG
Priority to AT88116979T priority Critical patent/ATE81378T1/de
Publication of EP0313925A1 publication Critical patent/EP0313925A1/fr
Application granted granted Critical
Publication of EP0313925B1 publication Critical patent/EP0313925B1/fr
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
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/023—Separate connecting devices for prefabricated floor-slabs
    • 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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/945—Load-supporting structures specially adapted therefor
    • 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
    • E04B1/1903—Connecting nodes specially adapted therefor
    • E04B2001/1918—Connecting nodes specially adapted therefor with connecting nodes having flat radial connecting surfaces
    • 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
    • E04B2001/1924—Struts specially adapted therefor
    • E04B2001/1927—Struts specially adapted therefor of essentially circular cross section
    • 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
    • E04B2001/1924—Struts specially adapted therefor
    • E04B2001/1927—Struts specially adapted therefor of essentially circular cross section
    • E04B2001/193—Struts specially adapted therefor of essentially circular cross section with flattened connecting parts, e.g. ends
    • 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
    • E04B2001/1924—Struts specially adapted therefor
    • E04B2001/1945—Wooden struts
    • 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
    • E04B2001/1957—Details of connections between nodes and struts
    • E04B2001/1963—Screw connections with axis at an angle, e.g. perpendicular, to the main axis of the strut
    • 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
    • E04B2001/1981—Three-dimensional framework structures characterised by the grid type of the outer planes of the framework
    • 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
    • E04B2001/1981—Three-dimensional framework structures characterised by the grid type of the outer planes of the framework
    • E04B2001/1984—Three-dimensional framework structures characterised by the grid type of the outer planes of the framework rectangular, e.g. square, grid
    • 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
    • E04B2001/199—Details of roofs, floors or walls supported by the framework
    • 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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B2001/949—Construction elements filled with liquid, e.g. water, either permanently or only in case of fire

Definitions

  • the invention relates to a knot-rod system with rod-shaped elements which are articulated with knot bodies from which they depart approximately in the center, in which, in the fully unfolded state, the knot body with the rod elements connecting it lie in a plane from a grid form even-numbered polygons and, in the folded state, neighboring knot bodies alternately lie on one of two parallel planes, the rod-shaped elements being arranged next to one another in a parallel manner.
  • a knot-rod system of this type is known from DE-A-2 159 969, FIGS. 6 to 10, which forms a two-dimensional knot-rod system in the fully deployed state.
  • the node bodies are equipped with three joint axes which are offset in height from one another and also run at right angles to one another.
  • the rod elements are not arranged parallel to one another in the folded state, and the node bodies are also not in the folded or partially unfolded state on two planes extending parallel to one another.
  • the spatial structure has knot bodies provided in the room, which are not connected to a fixing layer.
  • a knot body is also known (EP-A-0 34 078) with which rod-shaped elements are rigidly connected without a hinge axis being provided between these rod-shaped elements and the knot body. Using these knot bodies, a spatial structure is completely assembled at the construction site.
  • the invention has for its object to design a node-rod system of the type mentioned so that it assembles in workshops, can be transported to the construction site in the folded state and only unfolded at the construction site and stiffened the knot body to form a spatial structure Need to become.
  • the middle one is a node-and-rod system which is deployed to form a spatial structure and the other two layers are used to fix the position of use of the node-and-rod system mentioned
  • the Fixation layers consist of plates, shells, walls, grid-like ropes or fully unfolded, two-dimensional knot-rod systems, the length of the rod-shaped elements of the knot-rod system unfolded into a spatial structure and the fixation rod systems being different
  • all knot bodies of the node-rod system deployed to form a spatial structure are connected to the fixing layers and the articulation axes of the node bodies connected to the respective fixing layer lie in a plane running parallel to the assigned fixing layer.
  • the node-rod system shown in FIGS. 1 and 2 consists of a square grid (FIG. 1 partially unfolded and under supervision, FIG. 2 unfolded and under supervision).
  • the node bodies 141 and 142 are articulated by means of an element 143.
  • the joints 144 and 145 allow the element 143 to be pivoted by more than 180 °.
  • 3 shows a node-rod system, the elements of which define a square grid.
  • the elements 151 and 151 ' are arranged side by side and run parallel. From the folded state (side view a), the node-rod system can be moved into the partially unfolded position (side view b), the elements 151 being pivoted about the joints 155 and 156.
  • the node-rod system shown in FIG. 4 differs from that shown in FIG. 3 in that the lower node elements 152 in the folded state are provided with rollers 161 which transport the node-rod system and in particular facilitate its proper operation.
  • Side view a shows the square grid in the folded state
  • side view b shows the node-rod system partially unfolded and side view c unfolds.
  • the rollers 161 are connected to the node body 152 by means of plug-in connections, so that they can be easily deployed after the assembly of the node-rod system.
  • the node-rod systems or their node bodies shown in FIGS. 5 to 11 are a space framework with a semi-octahedral structure.
  • the vertical top view (a) of the knot-rod system shows that the knot bodies 172 and 173 each have eight legs 176.
  • the side view b shows that the node bodies 172 and 172 'lie in the upper level, while the node bodies 173 and 173' lie in the lower level.
  • the node body 182 consists of two identical parts 182 'and 182'', these two parts being releasably connectable, for example, by means of a screw 210 (cf. FIG. 9).
  • Each part has four legs 183, 184, which are symmetrical with respect to the longitudinal central axis of the node body 182 and project upwards or downwards.
  • the legs 183 and 184 can be connected in an articulated manner to the forks 185 of the elements 181 by means of bolts 186 and locking pins 187.
  • the elements 181 consist of hollow profile pieces, the ends of which are connected to the forks 185 by welding.
  • the weld seam 211 (cf. FIG. 9) connects the fork 185 tightly to the element 181.
  • the end of the fork 185 facing the element is stepped and engages in the element 181.
  • the actual fixed connection between the element 181 and the fork 185 is made by means of a weld seam 211.
  • the knot body with elements 181 shown in FIG. 11 also has eight legs 183 which can be detachably connected to eight elements 181, but it is supported on a support 230.
  • This support which consists of a tube piece 231 and a truncated cone 232, provides a connection between the node of the node-rod system and the floor or another support surface.
  • the connection of the support 130 to the node body is established by means of a screw 233 with a thread 234.
  • the cylindrical bore of part 232 is provided with a thread which cooperates with screw 133.
  • the node body 182 is shown with elements 181, which is supported on a support 240.
  • This support 240 has a base body 241, which can be connected to the node body 182 by means of a bolt 242.
  • the base body 241 has a fork with two legs 244 and 245, in which a leg 138 of the knot body 182 engages. Washers 246 and 247 are arranged between the leg 183 and the parts 244 and 145.
  • the base body 241 can be releasably connected to a pipe section 248, which is supported on a support surface, by means of screws 249.
  • a node-rod system is shown as a composite construction.
  • the node-rod system is arranged between two plates or walls 251 and 252 and can be connected by means of a node body (cf. FIG. 15).
  • These node bodies consist of a base body 271, here brackets 272 to 274 and four anchor bolts 275, which are embedded in the slabs or concrete structures 251 and 252 (for example concreted in). Since the node body 270 also has a central bore 277, it is possible to connect it to the plates 251 or 252 by means of screws.
  • the lower knot body 290 is connected to tensioning sleeves 291 (cf. also FIG. 17), which are provided for receiving cables 294 and 295.
  • the clamping sleeves 291 can be detachably connected to the node body 290 by means of a screw 297. It is therefore a tensile structure.
  • the node-bar systems shown in FIGS. 14 and 16 serve as composite structures.
  • the lower and the upper node bodies 262 and 263 are supported on the lower plate-shaped body 261 and upper plate-shaped body 260.
  • the tensile structure shown in FIG. 16 forms a square grid and is supported on ropes 285 and 186, which are releasably connectable to the knot bodies 289 and 283 by means of an adapter sleeve 287.
  • the double floor shown in FIG. 18 consists of a base plate or base plate 340 and support plates 341, a node-rod system being arranged between the base plate 340 and the support plates 341, which system is supported via its node bodies 343 and 344.
  • FIG. 18 and 19 show the node bodies provided for the raised floor according to FIG. 18.
  • 19 is a lower node body with a circular base plate 350 (cf. FIG. 19 d), which has a bolt 351 projecting at right angles, on which a four-legged node 355 is rotatably mounted.
  • the base plate 350 has bores 356 which serve to anchor the node body on the plate 340.
  • the node 355 can be adjusted in height by means of a screw nut 357 with a support washer 358.
  • the node body 344 is shown in FIG. 19a in view, in FIG. 19b in top view, in FIG. 19c in section and in FIG. 19d in isometric view .
  • the node body 343 shown in FIG. 20 consists of a base plate 360 with bores 361, which serve to connect the node body to the plates 341.
  • the plate 360 has a central bore 362, around which four legs 364 and 365 are distributed on the circumference.
  • the legs 364 and 365 are fork-shaped so that legs of the elements, not shown, can be inserted into them.
  • the proposed knot-rod system can be used in many ways (cf. FIGS. 7 to 12).
  • Their particular advantage is the high degree of stiffening in the case of knot bodies and rods, so that e.g. on a construction site, the node bodies only need to be tensioned.
  • the knot-rod systems are assembled in workshops, while on the construction sites they only have to be unfolded and the knot bodies have to be stiffened.
  • Link networks with square and hexagonal or square and octagonal meshes are suitable for multi-layer trusses made of foldable node-rod systems.
  • At least three knot-rod systems are always connected to each other in a shear-resistant manner.
  • the spatial foldability of all even polygons as individual figures or as modular flat structures leads to a large number of structures which can be connected to one another and can assume more or less stable states. The number of possible combinations is therefore very large.
  • Link networks can be used when used as composite structures (FIGS. 13, 14 and 15).
  • a shear-resistant connection with concrete or another solid base can be made using head bolts, dowels or the like. With these constructions, finished concrete slabs also come into consideration, so that the production of a complete composite construction can take place quickly.
  • the knot-rod system is located in the cavity between the two levels as a spacer. A cavity made in this way is e.g. Ideally suited for installations and also protected against fire and corrosion.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Tents Or Canopies (AREA)
  • Prostheses (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
  • Hinges (AREA)

Claims (3)

  1. Système à barreaux et noeuds comportant des éléments en forme de barreaux (143, 151, 151', 181) qui sont assemblés, de manière articulée, avec des corps de noeud (141, 142, 152, 153', 172, 172', 173, 173', 182, 290, 262, 263, 283, 289, 343, 344) desquels ils partent à peu près au milieu, dans lequel, à l'état totalement déployé, les corps de noeud, avec les éléments en barreaux les assemblant, forment une grille, s'étendant dans un plan, formée de polygones en nombre pair et, à l'état replié, les corps de noeud voisins d'un polygone se situent alternativement sur l'un de deux plans parallèles, les éléments en forme de barreaux (143, 151, 151', 181) étant juxtaposés parallèlement, caractérisé par l'utilisation de trois couches dont la couche centrale est un système à noeuds et barreaux déployé pour former une structure portante tridimensionnelle et les deux autres couches sont utilisées pour fixer la position d'utilisation dudit système à barreaux et noeuds et en ce que les couches de fixation sont constituées de plaques (252, 340, 341), de coques, de parois (151), de câbles (285, 286, 294, 295) s'étendant en forme de grille ou de systèmes à barreaux et noeuds à deux dimensions, totalement déployés, la longueur des éléments en forme de barreaux (143, 151, 151', 181) du système à barreaux et noeuds déployé pour former une structure portante tridimensionnelle et celle des systèmes à barreaux et noeuds de fixation étant différente, en ce que tous les corps de noeud du système à barreaux et noeuds déployé pour former une structure portante tridimensionnelle sont assemblés avec les couches de fixation et les axes d'articulation des corps de noeud assemblés avec la couche de fixation respective se situent dans un plan parallèle à la couche de fixation correspondante.
  2. Système à barreaux et noeuds selon la revendication 1, caractérisé en ce que les corps de noeud (290) sont pourvus d'une ou de plusieurs douilles de serrage (287, 291) pour loger les câbles (285, 286, 294, 295) s'étendant en forme de grille.
  3. Système à barreaux et noeuds selon la revendication 1, caractérisé en ce que les côtés tournés vers le fond des corps de noeud (152) s'étendant dans le plan inférieur, peuvent être équipés de roulettes (161).
EP88116979A 1987-10-30 1988-10-13 Système à noeuds et barres Expired - Lifetime EP0313925B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88116979T ATE81378T1 (de) 1987-10-30 1988-10-13 Knoten-stab-system.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3736784 1987-10-30
DE19873736784 DE3736784A1 (de) 1987-10-30 1987-10-30 Knoten-stab-system

Publications (2)

Publication Number Publication Date
EP0313925A1 EP0313925A1 (fr) 1989-05-03
EP0313925B1 true EP0313925B1 (fr) 1992-10-07

Family

ID=6339411

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88116979A Expired - Lifetime EP0313925B1 (fr) 1987-10-30 1988-10-13 Système à noeuds et barres

Country Status (4)

Country Link
EP (1) EP0313925B1 (fr)
AT (1) ATE81378T1 (fr)
DE (2) DE3736784A1 (fr)
ES (1) ES2035208T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019001130B3 (de) * 2019-02-13 2020-02-13 Friedrich Grimm Radpropeller und Fahrzeuge mit Radpropellern
DE102019003739B3 (de) 2019-05-24 2020-06-18 Friedrich Grimm Flugzeug mit einem Faltsystem

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4118073A1 (de) * 1990-06-18 1992-01-02 Christian Schlesinger Raumfachwerk mit raumfachwerkeinheiten
US5244001A (en) * 1991-01-04 1993-09-14 Lynch James P Collapsible canopy framework having captured scissor ends with non-compressive pivots
DE4101276C2 (de) * 1991-01-17 1996-07-11 Grimm Friedrich Bjoern Raumfachwerk
DE4203838A1 (de) * 1992-02-10 1993-08-12 Markus Jehs Traggeruest in gitterbauweise, insb. fuer ausstellungen und veranstaltungen
DE202008005695U1 (de) * 2008-04-24 2009-09-03 SCHÜCO International KG Fassade oder Lichtdach eines Gebäudes und Verbindungselement dafür
ITMI20122078A1 (it) * 2012-12-05 2014-06-06 Design & Res Srl Struttura abitativa
EP3098463B1 (fr) 2015-05-26 2018-03-14 Airbus Operations GmbH Joint rotatif, kit de construction d'ossature et procédé de fabrication d'un joint rotatif
ES2593270B1 (es) * 2015-06-05 2017-09-19 Universidade Da Coruña Malla espacial de doble cara desplegable con articulaciones bloqueables
EP3135833B1 (fr) 2015-08-27 2019-05-08 Airbus Operations GmbH Joint rotatif, kit de construction de structure en treillies avec des joints rotatifs de structure et procédé de fabrication d'un joint rotatif
EP3159257B1 (fr) 2015-10-21 2019-05-15 Airbus Operations GmbH Joint rotatif avec actionneur, kit de construction de cadre et cadre avec des joints rotatifs
EP3165450B1 (fr) 2015-11-05 2019-10-16 Airbus Operations GmbH Joint tournant, kit de construction d'ossature et ossature

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HU163694B (fr) * 1967-12-28 1973-10-27
IL34025A (en) * 1970-03-08 1971-04-28 Peret Co Collapsible reticular structures
US3757476A (en) * 1970-12-17 1973-09-11 Nasa Expandable space-frames
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DE2453917A1 (de) * 1974-11-14 1976-05-26 Anger Kunststoff Knotenverbinder
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DE3629135A1 (de) * 1986-08-27 1988-03-10 Grimm Friedrich Bjoern Knoten-stab-system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019001130B3 (de) * 2019-02-13 2020-02-13 Friedrich Grimm Radpropeller und Fahrzeuge mit Radpropellern
WO2020165264A1 (fr) 2019-02-13 2020-08-20 Friedrich Grimm Dispositif d'hélice de roue et véhicule comprenant des dispositifs d'hélice de roues
DE102019003739B3 (de) 2019-05-24 2020-06-18 Friedrich Grimm Flugzeug mit einem Faltsystem
WO2020239604A1 (fr) 2019-05-24 2020-12-03 Friedrich Grimm Avion comprenant un système de repliage
US11820503B2 (en) 2019-05-24 2023-11-21 Friedrich Grimm Aircraft having a folding system

Also Published As

Publication number Publication date
EP0313925A1 (fr) 1989-05-03
DE3875219D1 (de) 1992-11-12
ATE81378T1 (de) 1992-10-15
ES2035208T3 (es) 1993-04-16
DE3736784A1 (de) 1989-05-24

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