EP1155200A1 - Structures which can be dismantled and folded, consisting of interconnecting tubular elements - Google Patents

Structures which can be dismantled and folded, consisting of interconnecting tubular elements

Info

Publication number
EP1155200A1
EP1155200A1 EP00909623A EP00909623A EP1155200A1 EP 1155200 A1 EP1155200 A1 EP 1155200A1 EP 00909623 A EP00909623 A EP 00909623A EP 00909623 A EP00909623 A EP 00909623A EP 1155200 A1 EP1155200 A1 EP 1155200A1
Authority
EP
European Patent Office
Prior art keywords
structures
universal joints
elements
seats
faces
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
EP00909623A
Other languages
German (de)
French (fr)
Other versions
EP1155200B1 (en
Inventor
Sergio Cazzolaro
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 EP1155200A1 publication Critical patent/EP1155200A1/en
Application granted granted Critical
Publication of EP1155200B1 publication Critical patent/EP1155200B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
    • E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
    • E04H3/22—Theatres; Concert halls; Studios for broadcasting, cinematography, television or similar purposes
    • E04H3/24—Constructional features of stages
    • E04H3/28—Shiftable or portable platforms
    • 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
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
    • E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
    • E04H1/1272—Exhibition stands

Definitions

  • the present invention relates to folding structures consisting of interconnected
  • the present invention relates to portable folding structures which can be extended horizontally or vertically, that
  • the universal joint presents, on one of the larger faces, a hinging seat
  • This system also presupposes complex and onerous setting-up operations, as well as relatively long dismantling and assembly times.
  • One purpose of the present invention is provision of a simple and rapid method of
  • a second purpose of the present invention is the coupling of two or more superimposed structures of the type described above that furthermore present in
  • a further purpose of the present invention is a device that allows the coupling
  • elements are substantially rectangular sheets of flexible material with two opposite
  • the C-shaped springs with inverted edges cover most of the corresponding side
  • the C-shaped springs could be applied to all the side faces of all the joints that are
  • joints could present one or more suitable perforations for the housing pivots that
  • FIG. 1 shows a view in perspective of a universal joint according to the
  • FIG. 2 shows a side view of the C-sectioned spring that could cooperate with
  • - figure 3 is a view in perspective of the spring of figure 2; - figure 4 shows a side view of two joints belonging to two superimposed
  • FIG. 5 is an exploded view of a preferred system of connection of structures
  • FIG. 6 is a simplified scheme of two superimposed structures coupled
  • the universal joint 1 presents four grooves 2, 2', 2» and 2'» on one of its larger faces in correspondence to the side face, that could
  • grooves 6 which constitute seats to accept one of the extremities 8 of a spring
  • Figure 5 shows a preferred embodiment of the invention. This provides for the
  • made contains the opening 10 that can accept pivots 11 that prevent any relative
  • Figure 6 shows a side view of a support system for elevated loads according to the invention, obtained by joining two structures.
  • the said figure shows the extended elements 12 joined with scissors-connection

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Materials For Medical Uses (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Road Paving Structures (AREA)
  • Assembled Shelves (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Joints Allowing Movement (AREA)

Abstract

Composite structures obtained by joining two or more structures of the type which presents pairs of joined tubular elements (5), whose extremity is hinged in universal joints and in which the universal joints are substantially parallelepiped in form and present four seats of hinging corresponding to the sides faces, in which said universal joints present grooves (6) along the sides of the face, in which are scheduled the seats to hinge the extended elements, in proximity of the edges and parallel to the same edges, that cooperate with C-sectioned fixing elements (9) to hold united two matched universal joints belonging to two structures from join.

Description

«STRUCTURES WfflCH CAN BE DISMANTLED AND FOLDED, CONSISTING OF INTERCONNECTING TUBULAR ELEMENTS.)
The present invention relates to folding structures consisting of interconnected
extended tubular elements. More particularly, the present invention relates to portable folding structures which can be extended horizontally or vertically, that
can be used for product display or as supports for raised loads, such as for instance
platforms, walkway bases, technical pavements, rostrums, stands, boxes,
comprising a plurality of interconnected parallelepiped cells in which the sides
faces of the parallelepiped are defined by a pair of tubular elements interconnected by a scissors-connector. In these structures each extremity of the extended tubular
elements which constitute the pair of scissors-connected elements, is inserted by
rotation into a seat in an articulated universal joint, also parallelepiped in form. The universal joint presents, on one of the larger faces, a hinging seat
corresponding to each side face, and can therefore accept up to four extremities of
tubular elements. In the case of structures that must bear heavy loads a variation
to the embodiment described above has been used for some time in which the
universal joints provide for a fifth seat on the surface of said face into which is
fixed a tubular element, within which another tubular element of smaller diameter
is inserted as a sliding fit and whose extremity is inserted into the face of a similar universal joint. The tubular element inserted into the face of the universal joint is fixed and is stopped against the opposed joint into which is inserted the extremity
of element that slides inside.
It is often necessary to arrange for exhibition structures or raised support higher
than is attainable with the single structure. In this case, more identical (or similar) structures are superimposed such that, in the overlap, the upper faces of the
universal joints of the underlying structure are matched to the corresponding lower faces of the upper structure.
Devices are known to increase the height of the exhibition or support systems
mentioned above. For instance, an exhibition system that could give rise to structures of different height is described in EP-A-0 419 006.
The structure described in said patent is complex, provides for a plurality of
articulated elements and therefore requires long assembly and dismantling times.
The system proposed in the EP-A-0 884 425 provides for uniting the joints of two
structures by connecting the extremities of the two telescopic elements, for
instance by means of screw or pin systems.
This system also presupposes complex and onerous setting-up operations, as well as relatively long dismantling and assembly times.
One purpose of the present invention is provision of a simple and rapid method of
joining two or more structures of the type consisting of pairs of extended tubular
shear-connected elements, whose extremity is hinged in universal joints and in
which the universal joints are defined integral with equal and parallel larger faces
and are preferably substantially parallelepiped in form and present four hinging seats set in one of the larger faces near a side face. A second purpose of the present invention is the coupling of two or more superimposed structures of the type described above that furthermore present in
the inside surface of the face of the universal joint, in which are seats for the
hinging of the extended elements, a fifth seat into which is fixed the extremity of
an extendible telescopic tubular element whose other extremity is fixed to the
opposite underlying universal joint.
And a further purpose of the present invention is a device that allows the coupling
of the aforesaid structures.'
The purposes of the present invention are achieved using the universal joints
described above that present grooves along the sides of the face, in which are
scheduled seats for lodging the extended elements in proximity to the edges of the type and parallel to the same edges, that cooperate with C-sectioned fixing elements to hold two matching universal joints belonging to two superimposed
structures together. According to a preferred embodiment of the invention, the C-shaped fixing
elements are substantially rectangular sheets of flexible material with two opposite
edges folded and inverted, in the following also referred to as the C-shaped spring
or C-spring. The folded and inverted edges of the C-shaped spring present
dimensions and forms corresponding to those of the grooves cut into the faces of
the universal joints.
The C-shaped springs with inverted edges cover most of the corresponding side
faces of the superimposed universal joints and they could provide for, in some cases, grooves in correspondence with seats of lodgement of the extended
elements and they could take different configurations depending on their use.
The C-shaped springs could be applied to all the side faces of all the joints that are
matched in the overlap or in coupling of multiple structures. It has been found, however, that to get sufficient stability in most cases it is
sufficient to apply the C-springs only on the external faces of the universal joints
that are on the external surface of the structure. The application of the C-springs
to only the external faces of the joints enormously simplifies the operation of assembly and dismantling of the coupled structures. To further guarantee the stability of the joined structure, the faces of the matching
joints could present one or more suitable perforations for the housing pivots that
prevent any movement of the joints on the contact pivot.
The present invention will now be illustrated in more detail making reference to
preferred embodiments of the same that are described with the aid of the attached
drawings. These sketches and the embodiments are by way of example and must
not be interpreted as limiting the invention.
In the sketches:
- figure 1 shows a view in perspective of a universal joint according to the
invention;
- figure 2 shows a side view of the C-sectioned spring that could cooperate with
the joint of figure 1;
- figure 3 is a view in perspective of the spring of figure 2; - figure 4 shows a side view of two joints belonging to two superimposed
structures fixed together by means of the springs of figures 2 and 3.
- figure 5 is an exploded view of a preferred system of connection of structures
according to the invention.
- figure 6 is a simplified scheme of two superimposed structures coupled
according to invention.
With reference to figures 1 to 4, the universal joint 1 presents four grooves 2, 2', 2» and 2'» on one of its larger faces in correspondence to the side face, that could
accept hinged extended tubular elements not shown in the figure. On face 3 of the
universal joint that presents the four grooves (2, 2', 2» and 2'») there is an opening
4 to fix the extremity of a tubular extended element 5, within which another tubular element slides, not shown in the figure and connected with a
corresponding universal joint. Along the edges of said face of the universal joint
are grooves 6 which constitute seats to accept one of the extremities 8 of a spring
9 as shown in figure 4.
The insertion of the two extremities of the spring 9 into the grooves on the non- matching faces of two joints belonging to two superimposed structures allows the
coupling of the structures to be maintained fixed. The insertion of the springs is
easily achieved after the structures have been superimposed by snapping the
inverted extremities 8 of the springs 9 into said grooves, where they remain locked. The operation of dismantling is performed quickly, for instance, by
removing one of the two inverted extremities 8 of the C-springs from the groove. Figure 5 shows a preferred embodiment of the invention. This provides for the
use of universal joints whose face opposite to that in which the grooves have been
made contains the opening 10 that can accept pivots 11 that prevent any relative
movement of the joints in the horizontal plane.
Figure 6 shows a side view of a support system for elevated loads according to the invention, obtained by joining two structures.
The said figure shows the extended elements 12 joined with scissors-connection
and hinged in seats 2 of the universal joint, as well as the telescopic extension
elements 5, that assure resistance to loading of the structure.

Claims

1. Composite structure obtained by coupling two or more structures of the type
which present pairs of scissors-connected tubular elements whose extremities are hinged in universal joints and in which the universal joints are integral delimited
by large, equal and parallel faces preferably substantially parallelepiped in form
and which present four seats corresponding to the side faces to accept hinged
elements, characterized by the universal joints having grooves along the sides of the face on which the four seats are provided, close to the edge and parallel to the
same edge, which cooperate with C-sectioned fixing elements to hold united two
matching universal joints from the two structures to be coupled.
2. Composite Structures according to Claim 1, characterized by the structures
joined being superimposed and presenting, besides, in the inside surface of the
face of the universal joint in which there are seats for hinging the extended elements, a fifth seat in which is fixed the extremity of an extendible telescopic
tubular element whose other extremity is fixed to the opposed joint of the
underlying universal joint.
3. Structures joined according to Claims 1 or 2, characterized by the C-shaped
fixing elements being substantially rectangular sheets of flexible material with two
opposite folded and inverted edges.
4. Structures joined according to the Claims 1 to 2, characterized by the folded and
inverted edges of the C-shaped fixing elements presenting dimension and shape
corresponding to the grooves on the faces of the universal joint.
5. Composite structures according to Claims 1 to 4, characterized by the C-shaped
fixing elements being applied only on the external faces of the universal joints that are on the external surface of the structure.
6. Composite structures according to Claims 1 to 4, characterized by the C-shaped fixing elements with inverted edges covering most of the corresponding side faces
of the superimposed universal joints and providing for cut-outs corresponding to
the seats for the hinged extended elements.
7. Composite structures according to Claims 1 to 6, characterized by the matching
faces of the joints of the joined structures presenting one or more suitable
perforations to house pivots that prevent any movement on the surfaces of contact of the joints.
8. Universal joints of substantially parallelepiped form providing in one of the
larger faces for four hinging seats, corresponding to the side faces, for fixing the
extremities of extended elements, characterized by presenting grooves along the
sides of the face in which are scheduled seats for hinging the extended elements,
in proximity of the edges and parallel to the same edges, that could cooperate with C-sectioned fixing elements to unite two matched universal joints.
9: Universal joints according to Claim 8, characterized by presenting internally to
the face carrying the grooves, a fifth seat into which is fixed the extremity of an
extendible telescopic tubular element.
EP00909623A 1999-02-26 2000-02-18 Structures which can be dismantled and folded, consisting of interconnecting tubular elements; and a joint for such structures Expired - Lifetime EP1155200B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI990393 1999-02-26
IT1999MI000393A IT1309643B1 (en) 1999-02-26 1999-02-26 REMOVABLE AND FOLDABLE STRUCTURES CONSISTING OF INTERCONNECTED TUBULAR ELEMENTS
PCT/IT2000/000053 WO2000050702A1 (en) 1999-02-26 2000-02-18 Structures which can be dismantled and folded, consisting of interconnecting tubular elements

Publications (2)

Publication Number Publication Date
EP1155200A1 true EP1155200A1 (en) 2001-11-21
EP1155200B1 EP1155200B1 (en) 2005-09-07

Family

ID=11382057

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00909623A Expired - Lifetime EP1155200B1 (en) 1999-02-26 2000-02-18 Structures which can be dismantled and folded, consisting of interconnecting tubular elements; and a joint for such structures

Country Status (13)

Country Link
EP (1) EP1155200B1 (en)
JP (1) JP2002538377A (en)
CN (1) CN1143040C (en)
AT (1) ATE304088T1 (en)
AU (1) AU767178B2 (en)
BR (1) BR0010271A (en)
CA (1) CA2362225A1 (en)
DE (1) DE60022485D1 (en)
ES (1) ES2248052T3 (en)
HU (1) HUP0200146A2 (en)
IT (1) IT1309643B1 (en)
RU (1) RU2250967C2 (en)
WO (1) WO2000050702A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106055826B (en) * 2016-06-14 2019-04-05 清华大学 A kind of node hardware for three-dimensional modeling

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8520605D0 (en) * 1985-08-16 1985-09-25 Alpha Technics Ltd Collapsible display stand
AU8200487A (en) * 1986-12-10 1988-06-16 Wichman, W.J. Folding display frame
DK160349C (en) * 1988-03-23 1991-08-19 Preben Noedskov COMPARATIVE LIGHT WEIGHT STAND NAME FOR EXHIBITION USE
US4942686A (en) 1988-07-29 1990-07-24 Kemeny Matthias D Portable display system
IT1292139B1 (en) 1997-06-12 1999-01-25 Gilberto Braghieri VERTICAL COLLAPSIBLE SUPPORT STRUCTURE PARTICULARLY FOR PLATFORMS AND PLANKS

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0050702A1 *

Also Published As

Publication number Publication date
ITMI990393A1 (en) 2000-08-26
CA2362225A1 (en) 2000-08-31
AU3190100A (en) 2000-09-14
WO2000050702A1 (en) 2000-08-31
DE60022485D1 (en) 2005-10-13
RU2250967C2 (en) 2005-04-27
CN1341187A (en) 2002-03-20
ES2248052T3 (en) 2006-03-16
JP2002538377A (en) 2002-11-12
EP1155200B1 (en) 2005-09-07
BR0010271A (en) 2002-01-22
HUP0200146A2 (en) 2002-05-29
ATE304088T1 (en) 2005-09-15
IT1309643B1 (en) 2002-01-30
AU767178B2 (en) 2003-11-06
CN1143040C (en) 2004-03-24

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