EP0585741A2 - Dispositif pour fixer et maintenir en tension des structures de grande dimension - Google Patents

Dispositif pour fixer et maintenir en tension des structures de grande dimension Download PDF

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Publication number
EP0585741A2
EP0585741A2 EP93113252A EP93113252A EP0585741A2 EP 0585741 A2 EP0585741 A2 EP 0585741A2 EP 93113252 A EP93113252 A EP 93113252A EP 93113252 A EP93113252 A EP 93113252A EP 0585741 A2 EP0585741 A2 EP 0585741A2
Authority
EP
European Patent Office
Prior art keywords
holding device
tensioning
receiving profiles
clamping
flexible component
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.)
Withdrawn
Application number
EP93113252A
Other languages
German (de)
English (en)
Other versions
EP0585741A3 (fr
Inventor
Reinhard Büthe
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.)
LICHT und LEUCHTEN E KUBALD GmbH
Original Assignee
LICHT und LEUCHTEN E KUBALD GmbH
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 LICHT und LEUCHTEN E KUBALD GmbH filed Critical LICHT und LEUCHTEN E KUBALD GmbH
Publication of EP0585741A2 publication Critical patent/EP0585741A2/fr
Publication of EP0585741A3 publication Critical patent/EP0585741A3/xx
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
    • G09F15/0006—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
    • G09F15/0025—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels display surface tensioning means

Definitions

  • the invention relates to a device for fastening and tensioning large-area components made of flexible material with little or no inherent rigidity.
  • Tensioning is particularly difficult, if not impossible, as soon as it becomes loose or wrinkled over time.
  • tensioning elements with which tensionable material is fastened and tensioned to fixed frame structures, there are clips, Clamping screws, springs, nails and glue are known.
  • the known clamping systems are technically complex and consist of many individual parts.
  • the invention has for its object to provide a holding device of the type mentioned, the holding and crease-free clamping flexible, cloth-like material in a simple manner and for covering or closing large areas, the clamping device itself should show a simple structure and in is able to remedy a weakening of the pre-tension which occurs over time.
  • the solution to this problem according to the invention is characterized in that the device consists of mutually adjustable individual parts, the adjustment of which clamps the flexible component.
  • clamping elements for supporting mounting profiles for the flexible component can be fastened to a rigid rear wall and distributed over its length with the inclusion of distances.
  • the mounting profiles can extend in one piece over the entire length of the component to be clamped, so that a uniform, wrinkle-free surface is achieved during clamping.
  • roller-shaped clamping profiles can be used for the edges extending perpendicular to the long sides.
  • Common to all clamping elements is a frictional connection with the material to be clamped. The edges are wrapped around clamping strips, which are held in grooves and brought into a clamping position by tilting when the tension is applied in the groove. Since the clamping effect increases with the increase in the clamping force, the flexible material is prevented from slipping out of its position, even with great forces.
  • the holding device according to the invention is of simple technical construction using commercially available profiles. It offers the advantage of the tensioned material at all times easy re-tensioning of the clamping elements over a large area and therefore wrinkle-free. All that is required is the adjustment of screw elements that act on the mounting profiles. Further features that advantageously shape the invention are specified in the patent claims.
  • the holding device generally designated 1 (FIG. 1), consists of a rigid rear wall 2, reinforced by profiles 3 and with bow-shaped clamping profiles 4, which carry rail-shaped receiving profiles 5 at their free ends, with which they are firmly connected, for example by screws 6.
  • a large-area component 7 made of flexible material, which is characterized by very little or no inherent rigidity, extend into the receiving profiles 5.
  • This component can also be referred to as a textile-like covering.
  • the bow-shaped clamping profiles show right-angled offsets 8a and 8b. They are connected to each other by a threaded bolt 9. One end of the threaded bolt 9 is fixed with locking nuts 10a and 10b. At the opposite end an adjusting nut 11 is provided which, with a corresponding direction of rotation against the offset 8a, adjusts the upper arm of the clamping profile 4 outwards / upwards and thus leads to a tightening and tensioning of the flexible material.
  • the bow-shaped clamping profile is thus spread and the device is adjusted and stretched in the sense of an expansion. The clamping force is transferred evenly over the entire length of the receiving profiles 5 to the clampable component 7 over a large area and thus without creases.
  • the device is closed at the top and bottom by upper and lower covers 12, so that ultimately a closed structure is formed, one side surface of which is made of a flexible, tensionable material of low intrinsic rigidity.
  • F profiles were used as the mounting profile on the upper and lower horizontal edges in the example shown.
  • Clamping profiles in the example shown flat continuous strips 13, are arranged in the grooves of the receiving profiles.
  • a horizontal edge of the flexible component 7 is wound around a clamping profile.
  • the flexible material stretches over the outer edge of the clamping profile 13 and leads to jamming with the groove walls due to its tilting.
  • the groove walls can be provided with teeth or notches 14.
  • the illustration according to FIG. 2 shows that an increase in the tension goes hand in hand with an increase in the clamping forces and leads to a secure frictional connection between the material to be tensioned and the receiving profiles.
  • a complete withdrawal of the tension cancels the frictional engagement, so that a quick disassembly for repair purposes or for an exchange is possible by simply pulling out the clamping profile 13.
  • a simple wrench of appropriate size for the adjusting nut 11 is sufficient as a tool.
  • Hollow rollers 15 can be used to tension the vertical edges of the component made of flexible material, an Allen screw 17 being drawn into their central bore 16 at the lower end and a threaded bolt 18 being drawn into their upper end. Their protruding ends serve as journals.
  • the Allen screw 17 in the lower end of the tensioning roller 15 transmits the torque for the tensioning movement.
  • a locking screw 19 is used, which engages through the mounting of the tensioning roller into locking openings 24, which extend evenly over the circumference of the tensioning roller into its end face.
  • a receiving gap 20, which extends over the full length of the tensioning roller, serves to receive the vertical edges of the flexible component.
  • a clamping profile 21 is arranged in the gap, around which the vertical edge of the flexible component is wound. When clamping, the clamping profile 21 is tilted and thus creates a frictional connection, which increases with the increase in tension.
  • the threaded bolt 18 at the upper end of the tensioning roller carries a fastening screw 22 and a coil spring 23, which ensures a spring loading of the tensioning roller downwards in order to achieve a secure fit in its holder.
  • tensioning rollers 15a and 15b can be used in pairs together with guide elements 30a and 30b likewise arranged in pairs.
  • the guide profiles are provided with guide radii at their outer ends in order to deflect the tensionable materials 7a and 7b held by the tensioning rollers 15a and 15b in the desired tensioning direction, wherein different angles can be divided to form corners.
  • the example according to FIG. 4 shows a positive angle, which can be recognized by the tensioned parts 7a and 7b in a continuous line and the formation of an equally large, negative one Angle, recognizable by the broken lines 7'a and 7'b.
  • the lines 7''a, 7''b show the formation of a joint, since the deflected, tensioned components 7''a, 7''b lie in one plane.
  • the bow-shaped clamping elements 4 are replaced by leaf springs 35 which are fixed centrally on the rear wall 2 of the device and which engage with their ends in receiving profiles 36. These are double T-shaped in cross-section, for example, in order to enable a suitable engagement of the tension springs.
  • adjusting screws 37 can be used for precise adjustment of the voltage or for readjustment. By screwing the adjusting screws 31 into a receiving profile, the spring ends are increasingly spread, which leads to an increase in the tension.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Tents Or Canopies (AREA)
EP93113252A 1992-09-03 1993-08-19 Dispositif pour fixer et maintenir en tension des structures de grande dimension Withdrawn EP0585741A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19924229209 DE4229209A1 (de) 1992-09-03 1992-09-03 Halteeinrichtung zum Befestigen und Spannen großflächiger Bauteile
DE4229209 1992-09-03

Publications (2)

Publication Number Publication Date
EP0585741A2 true EP0585741A2 (fr) 1994-03-09
EP0585741A3 EP0585741A3 (fr) 1994-05-04

Family

ID=6467005

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93113252A Withdrawn EP0585741A2 (fr) 1992-09-03 1993-08-19 Dispositif pour fixer et maintenir en tension des structures de grande dimension

Country Status (2)

Country Link
EP (1) EP0585741A2 (fr)
DE (1) DE4229209A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT412431B (de) * 2002-07-05 2005-02-25 Acts & Facts Raphael Diendorfe Verfahren zum anbringen und halten eines werbe- und/oder informationsmediums
FR2879006A1 (fr) * 2004-12-08 2006-06-09 Itas Sa Structure decorative, notamment pour des batiments ou des ouvrages d'art

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29515135U1 (de) * 1995-09-21 1997-02-06 Trautwein, Hansjörg, 45883 Gelsenkirchen Plakatvitrine
DE202006018839U1 (de) * 2006-12-04 2007-02-22 Octanorm-Vertriebs-GmbH für Bauelemente System zum Erstellen von Aufbauten und Tragprofil

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0387030A2 (fr) * 1989-03-09 1990-09-12 Signtech Inc. Assemblage d'une enseigne
US5127177A (en) * 1990-06-22 1992-07-07 Signstrut, Ltd. Expandable frame facia
EP0519161A2 (fr) * 1991-04-16 1992-12-23 S.I.N.T. S.p.A. Encadrement d'assemblage modulaire pour signes illuminées utilisant du matériel flexible

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3914887A (en) * 1974-10-07 1975-10-28 Stretch Devices Inc Artist{3 s canvas tensioning and painting frame
US4409749A (en) * 1981-09-08 1983-10-18 Hamu Kaino J Stretch frame
US4660308A (en) * 1985-07-29 1987-04-28 The Dow Chemical Company Tentering frame for sheet-like members
US5058299A (en) * 1989-02-07 1991-10-22 Scs Promotion Company Limited Advertising device
US5113611A (en) * 1991-05-11 1992-05-19 Rosson Gene T Expandable screen tensioning frame with expansion devices

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0387030A2 (fr) * 1989-03-09 1990-09-12 Signtech Inc. Assemblage d'une enseigne
US5127177A (en) * 1990-06-22 1992-07-07 Signstrut, Ltd. Expandable frame facia
EP0519161A2 (fr) * 1991-04-16 1992-12-23 S.I.N.T. S.p.A. Encadrement d'assemblage modulaire pour signes illuminées utilisant du matériel flexible

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT412431B (de) * 2002-07-05 2005-02-25 Acts & Facts Raphael Diendorfe Verfahren zum anbringen und halten eines werbe- und/oder informationsmediums
FR2879006A1 (fr) * 2004-12-08 2006-06-09 Itas Sa Structure decorative, notamment pour des batiments ou des ouvrages d'art
WO2006061504A1 (fr) * 2004-12-08 2006-06-15 Itas Structure decorative, notamment pour des batiments ou des ouvrages d’art

Also Published As

Publication number Publication date
EP0585741A3 (fr) 1994-05-04
DE4229209A1 (de) 1994-03-24

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