EP0884425B1 - Vertical extension collapsible bearing structure, particularly for platforms and floor boarding - Google Patents
Vertical extension collapsible bearing structure, particularly for platforms and floor boarding Download PDFInfo
- Publication number
- EP0884425B1 EP0884425B1 EP98201920A EP98201920A EP0884425B1 EP 0884425 B1 EP0884425 B1 EP 0884425B1 EP 98201920 A EP98201920 A EP 98201920A EP 98201920 A EP98201920 A EP 98201920A EP 0884425 B1 EP0884425 B1 EP 0884425B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- articulation joints
- elements
- structure according
- hole
- tubular elements
- 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
Links
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Images
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
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
- E04H12/185—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic with identical 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
- E04B1/343—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
- 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
Definitions
- the present industrial invention concerns a collapsible bearing structure with vertical extension, particularly for platforms and floor boarding.
- Such articulation joints comprise a square shape block that on one of its larger faces shows four cavities, open towards respective side walls of the block, destined to the housing and hinging of respective tubular elements, in such a way as to enable the articulated coupling of four tubular elements developing on planes orthogonal to each other.
- these joints can have a through hole perpendicular to the face provided with the aforementioned cavities, which can be used for the coupling with a further tubular element.
- pairs of tubular elements, articulating in the structure define planes respectively perpendicular and parallel to the floor and bearing plates are laid and fixed on the latter, maintaining the structure in the desired position.
- Object of the present invention is to realise a vertical extension bearing structure that would allow to support even considerable loads and that would also be collapsible parallel to the floor for its folding to conditions of minimum volume.
- An additional object is to enable the overlaying and fixing of several similar structures for the formation of modular composite structures.
- the telescopic elements assume a minimum fixed length, and they set themselves in a stable way between each pair of articulation joints located on the same vertical, thus guaranteeing the solidity of the structure.
- the collapsibility of the structure is possible, since the telescopic elements adjust their length to the increased distance between the articulation joints to which they are coupled, thus allowing the lateral folding of the structure.
- Two structures thus formed can be overlaid modularly in order to vary the height of the global structure.
- each telescopic element comprises two tubular elements having different diameters, slidingly engaged with each other, at least one of which is provided with fixing means.
- the consequent fixing of a complex structure is obtained by coupling respective telescopic elements belonging to two different structures.
- a structure thus obtained is suitable for innumerable uses, in particular for the realisation of foldable bearing structures.
- a bearing structure indicated by 1 comprises pairs of tubular elements 4 that intersect at points 7 of mutual hinging inside vertical planes perpendicular to each other and have their ends hinged in respective cavities 5 located in respective articulation joints 2.
- articulation joints 2 are in fact blocks of substantially square shape and in one larger face they have four cavities 5 suitable to house the tubular elements 4.
- tubular elements 4 are hinged to said cavities 5 by means of pins 8 that are inserted in the cavities 5 by means of through holes located on the lateral walls of the cavities 5.
- the articulation joints 2 are also provided with a central through hole 6 perpendicular to the two larger faces of the joint 2.
- This hole 6 makes possible the introduction of one end of a telescopic element 3, that sets itself perpendicular to the face of said joint 2.
- the through hole 6 is provided with a narrowing (11) on the inside, which is suitable to form limit stop abutment for the end of the telescopic element 3 inserted into the same hole.
- each telescopic element 3 is formed by two tubular elements 3a and 3b, which can slide one inside the other.
- the distance between pairs of joints 2 located on the same vertical is determined by the presence of the telescopic elements 3. Indeed, in an operating condition the internal tubular element 3a is completely inserted into the external tubular element 3b and therefore the latter positions itself in a stable way between two articulation joints 2 of the structure 1.
- Structures 1 realised in this way are modularly assemblable in order to obtain a global structure, as illustrated in Figures 1 and 4 that comprises two overlaid structures 1.
- the fixing of the global structure thus obtained is done by coupling of the external tubular elements 3b through respective pairs of articulation joints 2 as it is evidenced in Figure 2.
- said coupling is obtained by means of fixing means 9,10, which said telescopic elements 3b are provided with.
- said fixing means can be screw means, respectively male and female, that engage with each other inside the holes 6 of the articulation joints 2.
- the structure according to the invention is therefore utilisable to bear consistent loads, but it involves a minimum volume when closed.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Ladders (AREA)
- Floor Finish (AREA)
- Movable Scaffolding (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Motorcycle And Bicycle Frame (AREA)
- Joining Of Building Structures In Genera (AREA)
- Tents Or Canopies (AREA)
Abstract
Description
- The present industrial invention concerns a collapsible bearing structure with vertical extension, particularly for platforms and floor boarding.
- Articulated folding structures made of pairs of crossing tubular elements hinged to each other at the point of intersection and with their ends hinged in turn in articulation joints are already known for example in CA-A-2114767 of the same Applicant.
- Such articulation joints comprise a square shape block that on one of its larger faces shows four cavities, open towards respective side walls of the block, destined to the housing and hinging of respective tubular elements, in such a way as to enable the articulated coupling of four tubular elements developing on planes orthogonal to each other.
- In addition, these joints can have a through hole perpendicular to the face provided with the aforementioned cavities, which can be used for the coupling with a further tubular element.
- The pairs of tubular elements, articulating in the structure, define planes respectively perpendicular and parallel to the floor and bearing plates are laid and fixed on the latter, maintaining the structure in the desired position.
- An inconvenience of these structures realised by composition of these tubular elements and articulation joints is linked to the fact that they do not consent their use as to support consistent loads in a stable manner, in particular those which have to bear platforms, floor boarding or similar.
- Object of the present invention is to realise a vertical extension bearing structure that would allow to support even considerable loads and that would also be collapsible parallel to the floor for its folding to conditions of minimum volume.
- An additional object is to enable the overlaying and fixing of several similar structures for the formation of modular composite structures.
- This object is achieved by a structure as characterised in
claim 1. - In particular, when the structure is completely open, the telescopic elements assume a minimum fixed length, and they set themselves in a stable way between each pair of articulation joints located on the same vertical, thus guaranteeing the solidity of the structure.
- During the closing stage the collapsibility of the structure is possible, since the telescopic elements adjust their length to the increased distance between the articulation joints to which they are coupled, thus allowing the lateral folding of the structure.
- Two structures thus formed can be overlaid modularly in order to vary the height of the global structure.
- Preferably, each telescopic element comprises two tubular elements having different diameters, slidingly engaged with each other, at least one of which is provided with fixing means.
- The consequent fixing of a complex structure is obtained by coupling respective telescopic elements belonging to two different structures.
- A structure thus obtained is suitable for innumerable uses, in particular for the realisation of foldable bearing structures.
- One of the possible uses is illustrated as a non limiting example in the enclosed drawings, where:
- Figure 1 is a perspective view of a vertical extension collapsible bearing structure according to the invention in a completely open position;
- Figure 2 is a view in axial section of a pair of articulation joints and of two vertical telescopic elements coupled and fixed to each other though the same joints;
- Figure 3 is a partially sectioned top view of an articulation joint of the structure according to the invention;
- Figure 4 is a lateral view of said structure in a completely open position;
- Figure 5 is a perspective view of said structure in a position of minimum volume;
-
- With reference to these figures, a bearing structure indicated by 1 comprises pairs of
tubular elements 4 that intersect atpoints 7 of mutual hinging inside vertical planes perpendicular to each other and have their ends hinged inrespective cavities 5 located inrespective articulation joints 2. - These
articulation joints 2 are in fact blocks of substantially square shape and in one larger face they have fourcavities 5 suitable to house thetubular elements 4. - These
tubular elements 4 are hinged to saidcavities 5 by means ofpins 8 that are inserted in thecavities 5 by means of through holes located on the lateral walls of thecavities 5. - As Figures 2, 3 show, the
articulation joints 2 are also provided with a central throughhole 6 perpendicular to the two larger faces of thejoint 2. The presence of thishole 6 makes possible the introduction of one end of atelescopic element 3, that sets itself perpendicular to the face of saidjoint 2. - In addition, the
through hole 6 is provided with a narrowing (11) on the inside, which is suitable to form limit stop abutment for the end of thetelescopic element 3 inserted into the same hole. - In particular each
telescopic element 3 is formed by twotubular elements - When the structure is completely open, the distance between pairs of
joints 2 located on the same vertical is determined by the presence of thetelescopic elements 3. Indeed, in an operating condition the internaltubular element 3a is completely inserted into the externaltubular element 3b and therefore the latter positions itself in a stable way between twoarticulation joints 2 of thestructure 1. - When the
structure 1 is operating, planes parallel to the floor on which bearing landings are placed are thus identified, and thetelescopic elements 3 constitute their uprights. -
Structures 1 realised in this way are modularly assemblable in order to obtain a global structure, as illustrated in Figures 1 and 4 that comprises twooverlaid structures 1. The fixing of the global structure thus obtained is done by coupling of the externaltubular elements 3b through respective pairs ofarticulation joints 2 as it is evidenced in Figure 2. - Said coupling is obtained by means of fixing means 9,10, which said
telescopic elements 3b are provided with. In particular said fixing means can be screw means, respectively male and female, that engage with each other inside theholes 6 of thearticulation joints 2. - The presence of the
telescopic elements 3, realised through thetubular elements respective articulation joints 3, but that can slide one inside the other, enables the lateral collapsibility of the structure, as it is evident in Figure 5. In fact, during the operations of the closing of thestructure 1 the distance between each pair of joints that are on the same perpendicular increases and thetubular elements joints 2, slide one on top of the other, following the closing movement. - The structure according to the invention is therefore utilisable to bear consistent loads, but it involves a minimum volume when closed.
Claims (7)
- Collapsible bearing structure with vertical extension, particularly for platforms and floor boarding, comprising pairs of tubular elements (4) which, intersecting at hinging points (7) define vertical planes perpendicular to each other and have their ends hinged in respective cavities (5) located in one of the larger faces of respective articulation joints (2), each one of said articulation joints (2) being provided with a central through hole (6) perpendicular to said larger face, characterised in that the structure also comprises vertical telescopic elements (3) which have ends set abutting in said central holes (6) and are arranged in such a way as to enable a lateral collapsibility of the structure.
- Structure according to claim 1, characterised in that said telescopic elements (3) are provided with mutual fixing means (9, 10) engageable with each other inside said central holes (6) of the articulation joints (2).
- Structure according to claim 2, characterised in that said fixing elements (9; 10) are screw means.
- Structure according to any one of the previous claims, characterised in that said through hole (6) is provided with means (11) suitable to form a limit stop abutment for the end of the telescopic element (6) within the hole itself.
- Structure according to claim 4, wherein said means (11) is a narrowing on the inside of the through hole (6).
- Structure according to claim 1, wherein each telescopic element (3) is formed by two tubular elements (3a, 3b) slidable one inside the other in such a way as an internal tubular element (3a) is completely inserted in an external tubular element (3b) when the structure is completely open, while during the closing of the structure the distance between each pair of articulation joints (2) that are on the same vertical increases and the tubular elements (3a, 3b) respectively fixed to said pair of articulation joints (2) slide one on top of the other, following the closing movement and enabling the lateral collapsibility of the structure.
- Structure according to claim 6, wherein the external tubular elements (3b) are coupled to the articulation joints (2) in such a way as to realise modular structures consisting of superimposed structures.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT97MI001382A IT1292139B1 (en) | 1997-06-12 | 1997-06-12 | VERTICAL COLLAPSIBLE SUPPORT STRUCTURE PARTICULARLY FOR PLATFORMS AND PLANKS |
ITMI971382 | 1997-06-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0884425A1 EP0884425A1 (en) | 1998-12-16 |
EP0884425B1 true EP0884425B1 (en) | 2003-01-15 |
Family
ID=11377346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98201920A Expired - Lifetime EP0884425B1 (en) | 1997-06-12 | 1998-06-09 | Vertical extension collapsible bearing structure, particularly for platforms and floor boarding |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0884425B1 (en) |
AT (1) | ATE231206T1 (en) |
DE (1) | DE69810701D1 (en) |
IT (1) | IT1292139B1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1304319B1 (en) * | 1998-03-17 | 2001-03-15 | Massimo Salardi | EXTENDABLE ARM |
US6996946B1 (en) | 1999-02-26 | 2006-02-14 | Sergio Cazzolaro | Structures which can be dismantled and folded, consisting of interconnecting tubular elements |
IT1309643B1 (en) | 1999-02-26 | 2002-01-30 | Sergio Cazzolaro | REMOVABLE AND FOLDABLE STRUCTURES CONSISTING OF INTERCONNECTED TUBULAR ELEMENTS |
WO2000075451A1 (en) | 1999-06-04 | 2000-12-14 | Owl Video Systems Limited | Panel and panel system |
US7204064B2 (en) | 2000-02-18 | 2007-04-17 | Sergio Cazzolaro | Structures which can be dismantled and folded, consisting of interconnecting tubular elements |
DE202004015072U1 (en) * | 2004-09-28 | 2006-02-09 | Daas, Kamal | Lattice support structure |
DE202008001272U1 (en) * | 2008-01-29 | 2009-06-04 | Daas, Kamal | Lattice support structure |
DE202008009282U1 (en) * | 2008-07-10 | 2009-11-12 | Daas, Kamal | Lattice structure with evacuation means |
DE102009021424A1 (en) * | 2009-05-14 | 2010-11-18 | Wilhelm Layher Verwaltungs-Gmbh | Frame-shaped framework |
DE102011003316A1 (en) * | 2011-01-18 | 2012-07-19 | B & K Braun Gmbh | Traverse component, traverse and method for producing a truss component |
ITMI20150590A1 (en) * | 2015-04-24 | 2016-10-24 | Spellucci Gianfranco | "STRUCTURE FOR THE CONSTRUCTION OF MODULAR PARKING LOTS" |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1151764A (en) * | 1955-06-30 | 1958-02-05 | Atag Trust | Mast part serving as a construction element for the assembly of masts of all types, including antenna masts and mounting masts |
US3011586A (en) * | 1958-10-07 | 1961-12-05 | Jr John E Harvey | Fold-up tower section |
CA2114767A1 (en) * | 1994-02-02 | 1995-08-03 | Gilberto Braghieri | Articulation joint for tubular elements, particularly for foldable structures such as shelves, chairs, tables |
WO1996033326A1 (en) * | 1995-04-17 | 1996-10-24 | World Shelters, Inc. | Modular structural system |
-
1997
- 1997-06-12 IT IT97MI001382A patent/IT1292139B1/en active IP Right Grant
-
1998
- 1998-06-09 AT AT98201920T patent/ATE231206T1/en not_active IP Right Cessation
- 1998-06-09 DE DE69810701T patent/DE69810701D1/en not_active Expired - Lifetime
- 1998-06-09 EP EP98201920A patent/EP0884425B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IT1292139B1 (en) | 1999-01-25 |
ITMI971382A1 (en) | 1998-12-12 |
ITMI971382A0 (en) | 1997-06-12 |
ATE231206T1 (en) | 2003-02-15 |
EP0884425A1 (en) | 1998-12-16 |
DE69810701D1 (en) | 2003-02-20 |
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