EP3563009B1 - Screen connecting device for jointed connecting of screens and screen arrangement - Google Patents

Screen connecting device for jointed connecting of screens and screen arrangement Download PDF

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Publication number
EP3563009B1
EP3563009B1 EP17710380.1A EP17710380A EP3563009B1 EP 3563009 B1 EP3563009 B1 EP 3563009B1 EP 17710380 A EP17710380 A EP 17710380A EP 3563009 B1 EP3563009 B1 EP 3563009B1
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EP
European Patent Office
Prior art keywords
screen
connection device
locking
hinge element
screens
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.)
Active
Application number
EP17710380.1A
Other languages
German (de)
French (fr)
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EP3563009A1 (en
Inventor
Dietmar Huggler
Antonio CABELLERO
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Steelcase Inc
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Steelcase Inc
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Publication of EP3563009A1 publication Critical patent/EP3563009A1/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/7407Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts
    • E04B2/7416Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts with free upper edge, e.g. for use as office space dividers
    • E04B2/7422Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts with free upper edge, e.g. for use as office space dividers with separate framed panels without intermediary support posts
    • E04B2/7427Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts with free upper edge, e.g. for use as office space dividers with separate framed panels without intermediary support posts with adjustable angular connection of panels
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00Additional features or accessories of hinges
    • E05D11/10Devices for preventing movement between relatively-movable hinge parts
    • E05D11/1028Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00Hinges with pins
    • E05D3/06Hinges with pins with two or more pins
    • E05D3/18Hinges with pins with two or more pins with sliding pins or guides
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47GHOUSEHOLD OR TABLE EQUIPMENT
    • A47G1/00Mirrors; Picture frames or the like, e.g. provided with heating, lighting or ventilating means
    • A47G1/16Devices for hanging or supporting pictures, mirrors, or the like
    • A47G1/1633Wall members for connection to a conventional picture
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47GHOUSEHOLD OR TABLE EQUIPMENT
    • A47G5/00Screens; Draught-deflectors
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00Additional features or accessories of hinges
    • E05D11/10Devices for preventing movement between relatively-movable hinge parts
    • E05D11/1028Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open
    • E05D2011/1035Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open with circumferential and evenly distributed detents around the pivot-axis

Definitions

  • the invention relates to a screen connection device for the articulated connection of screens and a screen arrangement with such a screen connection device.
  • Wall screens shielding walls
  • Wall screen arrangements in the form of transportable partition walls which comprise two or more flat wall screens connected in an articulated manner.
  • a room partitioning device can be created that shields a seating unit or seating group, a workplace or other objects on several sides.
  • the angular arrangement of wall screens creates the necessary stability of the wall screen arrangement, if the screen arrangement does not have separate feet on the floor, which prevent it from tipping over.
  • US 959 560 A discloses a screen connection device according to the preamble of claim 1.
  • Known screen connection devices which are designed in the form of simple joints, have the disadvantage that they do not make it possible to pivot the screen screens, which are connected to one another in an articulated manner, up to a 0 ° position, in which they lie parallel to one another. Such a 0 ° position is particularly desirable for transport and storage purposes. Furthermore, known screen connection devices do not allow simple locking of the screen in a certain angular position.
  • the invention is therefore based on the object of providing a screen connection device and a screen arrangement which enables simple pivoting of the screens over the largest possible swivel range and latching of the screens in at least one angular position and, moreover, can be produced in a simple and inexpensive manner.
  • This object is achieved according to the invention by a screen connecting device according to claim 1 and a screen arrangement according to claim 10.
  • Advantageous embodiments of the invention are described in the further claims.
  • the articulated screens can be pivoted in a simple manner over a wide swivel range.
  • the screens can be swiveled up to their 0 ° position, in which they are parallel to each other because the elongated hole that is present in at least one of the joint elements enables the position of the pivot pin and thus the pivot axis within the elongated hole to change and the screens to move somewhat apart in the area of the screen connecting device.
  • the improved foldability of the screens improves the transport and packaging of the screen arrangement and reduces its space requirement.
  • the screens can be locked in at least one predetermined angular position, preferably in a 90 ° position of the screens. Further locking options in other angular positions, in particular also in a 60 ° and 120 ° angular position, are preferably also possible.
  • Each of the first and second joint elements has a first latching surface and a second latching surface, the second latching surface of the second joint element being complementary to the first latching surface of the first joint element and being engageable with the first latching surface of the first joint element in at least one angular position, so that the first and second joint element can be brought into locking engagement with one another by means of two spaced-apart snap-in connections.
  • These two separate locking connections which are preferably arranged on different sides of the swivel axis, enable a particularly secure locking and a particularly uniform distribution of the forces acting on the joint elements.
  • the first and second latching surfaces are each arranged on the end faces of the first and second joint elements.
  • the first and second locking surfaces each have a wave-like or tooth-shaped contour. This makes it possible in a simple manner to lock the screens in different angular positions.
  • the number of shafts or teeth determines the number of different angular positions and the size of the locking steps.
  • the latching surfaces are preferably designed such that two hingedly connected wall screens can be latched at least in a 60 °, 90 °, and 120 ° position. However, it is also readily possible to provide only one, two or more than three locking positions.
  • Each of the first and second joint elements comprises an intermediate section adjacent to the fastening section, on which the first latching surface is formed, and an end section projecting beyond the first latching surface, on which the second latching surface is formed.
  • the end section has a lower height than the intermediate section, so that a step is formed between the intermediate section and the end section, which has the first end latching surface.
  • Joint elements produced in this way can be produced and assembled in a very simple manner. It is particularly advantageous here if the height of the end section is 50% of the height of the intermediate section. Become the end sections of the one to be joined together Joint elements placed one on top of the other in this case result in a total height of the two end sections which corresponds to the height of the two intermediate sections.
  • the end section advantageously projects over a side surface of the intermediate section, at least part of the elongated hole being arranged in a region of the end section which is arranged laterally outside the side surface.
  • the pivot pin can be moved laterally outwards within the slot so that the axis of rotation of the screens in their 0 ° position lies in a plane that is either in the plane of contact between the two screens or when the two screens are not completely folded, between the adjacent surfaces of the two screens.
  • the elongated hole is arranged in both joint elements, the dimension by which the elongated hole extends laterally beyond the side surface of the intermediate section corresponds at least to the radius of the pivot pin. If the elongated hole is only arranged in a joint element, this lateral overhang dimension suitably corresponds at least to the diameter of the pivot pin.
  • the end section advantageously extends laterally away from the intermediate section in the form of a circular arc.
  • the circular arc-shaped curvature expediently extends over an angle of 60 ° to 80 ° relative to the longitudinal axis of the intermediate section.
  • the fastening section is advantageously designed as an elongated plug-in section for insertion into a frame tube of a screen. This allows the Joint elements can be connected to the associated frame tube of the screen in a very quick and simple manner.
  • first and second joint elements are of identical design. As a result, manufacturing costs can be minimized. Furthermore, confusion of the joint elements during assembly is excluded.
  • the object stated at the outset is achieved by means of a screen arrangement with a first and second screen, the first and second screens being articulated to one another by means of at least one screen connection device of the type described above.
  • the screen arrangement preferably has two such screen connection devices, one screen connection device being arranged at the upper end and the other screen connection device being arranged at the lower end of the articulated area present between the two wall screens.
  • a screen arrangement can be seen which comprises two hinged screens 1a, 1b.
  • these wall screens 1a, 1b are arranged at an angle of 90 ° to one another.
  • the screens are preferably rectangular and are designed such that they are set up on a floor as partitions.
  • each screen 1a, 1b comprises a stable frame 2a, 2b with frame tubes 33 arranged in a U-shape.
  • these frame tubes 33 consist of tube elements with an essentially square, in particular square, cross section.
  • the frame tubes 33 can be made of aluminum or steel, for example.
  • the frames 2a, 2b are articulated to one another at their upper and lower ends with screen connecting devices 3.
  • Each screen connecting device 3 comprises a first joint element 4a, a second joint element 4b and a pivot pin 5 for the articulated connection of the first and second joint elements 4a, 4b.
  • the pivot 5 forms a pivot axis 32 for the wall screens 1a, 1b.
  • the hinge elements 4a are positively connected to these frame tubes 33 by inserting them into the associated frame tubes 33 of the frame 2a.
  • the joint elements 4b are positively connected to these frame tubes 33 by inserting them into the associated frame tubes 33 of the frame 2b.
  • the pivot pins 5 are fastened to the upper and lower ends of a connecting rod 6, which is arranged centrally between the two frames 2a, 2b.
  • the frames 2a, 2b are therefore articulated to one another via the pivot pins 5.
  • screw-like feet 7 can be screwed in a height-adjustable manner, on which the wall screen arrangement stands.
  • the frames 2a, 2b serve to fasten the panels 8.
  • These panels 8 can, for example, consist of panels covered with fabric, which fill the spaces between the frame tubes 33 and the connecting rod 6.
  • the frame tubes 33 and the connecting rod 6 can also be covered in an aesthetically pleasing manner.
  • the frame tubes 33 lie in or define a main plane for each screen 1a, 1b.
  • the joint elements 4a, 4b of the screen connecting device 3 are described in more detail.
  • the two joint elements 4a, 4b are of identical design, the second joint element 4b being coupled to the first joint element 4a rotated by 180 ° about its longitudinal axis.
  • the joint elements 4a, 4b preferably consist of one-piece plastic elements.
  • the joint element 4a, 4b comprises a fastening section 9 for fastening the joint element 4a, 4b to the frame 2a, 2b of a screen 1a, 1b, an intermediate section 10 and an end section 11.
  • the fastening section 9 is designed in such a way that it can be inserted at the end into a frame tube and fixed by a press fit.
  • the fastening section 9 is peg-shaped. It extends straight along a central or longitudinal axis 12.
  • a free end 13 and an end 14 of the fastening section 9, which end is adjacent to the intermediate section 10 have a square outer contour which is adapted to the inner contour of the receiving frame tube 33. This prevents the joint elements 4a, 4b from rotating within the frame tubes 33 about the longitudinal axis 12.
  • the insertion into the frame tube 33 can be facilitated by a bevel 15 which is provided at the free end 13.
  • a small run-up slope can also be provided at the other end 14.
  • the area between the ends 13, 14 has a substantially circular cross section and comprises a plurality of holding lamellae 16 spaced along the longitudinal axis 12, which have a circular outer contour.
  • the holding slats 16 also have, as from the Figures 4 and 5 visible, bevels 17 on. This creates a sawtooth-shaped outer contour.
  • the diameter of the holding slats 16 is dimensioned such that they deform elastically when inserted into a frame tube 33 and ensure a firm fit in the frame tube.
  • the intermediate section 10 adjoining the fastening section 9 has a substantially square cross section.
  • the outer contour of the intermediate section 10 corresponds to the outer contour of the frame tube 33 receiving the fastening section 9, so that on the outside a flat transition between the frame tube 33 and the Intermediate section 10 is present.
  • the end face 18 of the intermediate section 10 facing the frame tube 33 serves as a stop surface for the frame tube 33.
  • the intermediate section 10 also has a first end-side latching surface 19.
  • This end locking surface 19 is formed by a height step between the intermediate section 10 and the end section 11.
  • the intermediate section 10 has a first height h1, which is greater than a second height h2 of the end section 11.
  • the height h2 of the end section 11 is expediently 50% of the height h1 of the intermediate section 10.
  • the front locking surface 19 extends in the in FIG Figure 4 Side view shown perpendicular to the longitudinal axis 12. If the hinge element 4a, 4b is attached to a horizontally extending frame tube 33, which is normally the case, the front locking surface 19 thus extends vertically.
  • the front locking surface 19 has a wave-shaped or tooth-shaped contour and, in the exemplary embodiment shown, has three convex regions 19a and two concave regions 19b, as shown in FIG Figure 5 evident.
  • the laterally outermost convex region 19a which in Figure 5 above, projects further in the direction of the longitudinal axis 12 than the adjacent, central convex region 19a, and this central, convex section 19a in turn projects further in the longitudinal direction of the longitudinal axis 12 than the adjacent convex region 19a, which is shown in FIG. 5 below .
  • concavex and concave regions 19a, 19b can vary widely and is at least 1.
  • a tooth-shaped contour for example in the form of an internal toothing, is also possible. It is also possible to provide only a single groove, which projects into the interior of the intermediate section 10, or a single tongue, which projects outwards on the end face.
  • the end section 11 has a first surface 20 which, in the exemplary embodiment shown, is flat and lies in a plane which lies in or parallel to the longitudinal axis 12.
  • the first surface 20 lies in a horizontal plane. If 2 joint elements 4a, 4b are coupled to one another, as shown in FIG Figures 6 to 8
  • the first two surfaces 20 of the joint elements 4a, 4b lie one on top of the other and form flat sliding surfaces on which the joint elements 4a, 4b can be pivoted relative to one another.
  • the joint element 4a, 4b furthermore has a first side surface 21, which extends from a side surface 27 of the intermediate section 10 in an arc shape, in particular in a circular arc shape, along the end section 11.
  • the opposite second side surface 22 of the end section 11 with a smaller radius of curvature likewise extends at least predominantly in the form of a circular arc.
  • This second side surface 22 forms a continuation of a side surface 23 of the intermediate section 10. It follows that in the in Figure 5 Top view shown, the end portion 11 protrudes laterally beyond the side surface 23 of the intermediate portion 10.
  • the protrusion dimension is at least 50% of the width of the intermediate section 10, preferably between 50% and 100% of this width.
  • the free end surface of the end section 11 forms a second end-side latching surface 24.
  • This second latching surface 24 is complementary to the first latching surface 19 of the intermediate section 10 and is therefore also wave-shaped or tooth-shaped.
  • the second latching surface 24 has two convex regions 24a (“teeth”) and three concave regions 24b.
  • the two wall screens 1a, 1b and thus the longitudinal axes 12 of the joint elements 4a, 4b are arranged at an angle of 90 ° to one another, they are as shown in FIG Figure 7 can be seen, the two convex areas 24a of the second articulated element 4b in the two opposite concave areas 19b of the first articulated element 4a, whereby the two articulated elements 4a, 4b are locked together and are prevented from pivoting relative to one another.
  • the second latching surface 24 is complementary to the first latching surface 19, the second latching surface 24 may also have a tooth-shaped contour instead of a wavy contour or may comprise only a single tongue or groove. Furthermore, the locking surfaces 19, 24 in the exemplary embodiment shown are designed such that two interacting joint elements 4a, 4b are locked together not only in one angular position but in three different angular positions can, especially in a 60 °, 90 ° and 120 ° position.
  • an elongated hole 25a or 25b is also arranged in the end section 11.
  • This elongated hole 25a, 25b serves to pass through the pivot pin 5, which forms the pivot axis 32 for pivoting the articulated element 4a, 4b.
  • the longitudinal axis of the elongated hole 25 extends approximately 60 ° to the longitudinal axis 12 of the fastening section 9 and intermediate section 10 and has a plan view from Figure 5 an arcuate curvature.
  • the elongated hole 25a, 25b can alternatively also run in a straight line obliquely or transversely to the longitudinal axis 12.
  • the elongated hole 25a, 25b has a first end region 26 which is located between extensions of the side walls 23 and 27 of the intermediate section 10 and extends close to the longitudinal axis 12, and a second end region 28 which extends laterally outside the extension of the side wall 23 is located. A part of the elongated hole 25a, 25b is thus arranged in a region of the end section 11 which is arranged laterally outside the side surface 23.
  • the elongated hole 25a, 25b enables the articulation element 4a, 4b to be displaced transversely to the pivot pin 5.
  • the elongated hole 25a, 25b enables two interacting elements Joint elements 4a, 4b can be pulled apart so far in the assembled state that they Figure 8 can assume the 0 ° position shown, in which the longitudinal axes 12 of the two joint elements 4a, 4b lie parallel next to one another and the wall screens 1a, 1b are arranged parallel and close to one another.
  • This widening 29 serves to deeply accommodate a widened diameter range of the pivot pin 5 and an opposite screw head of a locking screw which can be axially screwed into the pivot pin 5 in order to fix the two cooperating joint elements 4a, 4b in the axial direction of the pivot pin 5 and to hold them tightly together.
  • the pocket-like widening 29 goes by means of an oblique phase 31 into the Figures 3 and 5 shown elongated hole 25a, 25b.
  • This 180 ° position is particularly advantageous in the production of the wall screen arrangement comprising the two wall screens 1a, 1b and can also be useful in the storage of such wall screen arrangements.
  • the hinge area between the two wall screens 1a, 1b, i.e. the area in which the connecting rod 6 and the joint elements 4a, 4b are located is expediently covered with an elastic cover that pulls the joint elements 4a, 4b towards one another.
  • a 90 ° position is shown, ie a position in which the longitudinal axes 12 and thus the wall screens 1a, 1b are at an angle of 90 °.
  • the two end sections 11 of the joint elements 4a, 4b lie exactly one above the other.
  • the first side surface 21 of the end section 11 of the two joint elements 4a, 4b merges smoothly into the respectively adjacent side surface 27 of the intermediate sections 10.
  • the second side surface 22 of the end section 11 of the two joint elements 4a, 4b continuously merges into the side surface 23 of the other joint element 4b, 4a.
  • the latching position is shown, in which the first latching surfaces 19 of the intermediate sections 10 are in latching engagement with the respective second latching surfaces 24 of the end sections 11.
  • the hinge elements 4a, 4b are in turn held by the elastic material or the wall covering, which is located in the hinge area between the wall screens 1a, 1b.
  • FIG 8 a 0 ° position is shown, in which the fastening sections 9 of the two joint elements 4a, 4b are located next to one another and parallel to one another.
  • the distance between the connecting sections 9 or intermediate sections 10 is dimensioned such that the wall screens 1a, 1b are close to one another in this position.
  • the joint elements 4a, 4b can be brought into this 0 ° position by displacing the joint elements 4, 4b in the transverse direction of the pivot pin 5. This displacement takes place until the pivot 5 strikes the second end region 28 of the elongated holes 25a, 25b. The In this position, pivot axis 32 is thus maximally approximated to second end region 28 of elongated holes 25a, 25b.
  • the pivot axis 32 is located in a vertical plane lying between the two longitudinal axes 12 and 'preferably in the contact plane of the two wall screens 1a, 1b.
  • the two joint elements 4a, 4b can be pivoted relative to one another over a large pivoting range and can be locked together in different latching positions by displacing the pivot axis 32 relative to the joint elements 4a, 4b.
  • the articulated elements 4a, 4b also via the in Figure 6 180 ° position shown, for example, can be pivoted into a 240 ° position, since there is still a corresponding free space between the first latching surfaces 19 and the first side surfaces 21 of the respective other joint element 4a, 4b in the 180 ° position .
  • This free space can be achieved in a simple manner in that the elongated holes 25a, 25b extend up to relatively close to the second latching surface 24.
  • the combination of the two joint elements 4a, 4b shown creates two separate latching connections which act between the joint elements 4a, 4b and are located on opposite sides of the pivot axis (32). These two rest connections are still at different heights, i.e. they are offset along the pivot axis 32.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
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Description

Die Erfindung betrifft eine Wandschirmverbindungseinrichtung zum gelenkigen Verbinden von Wandschirmen und eine Wandschirmanordnung mit einer derartigen Wandschirmverbindungseinrichtung.The invention relates to a screen connection device for the articulated connection of screens and a screen arrangement with such a screen connection device.

Wandschirme (Abschirmwände) werden im Möbelbereich insbesondere zu Sichtschutzzwecken verwendet. Es sind Wandschirmanordnungen in der Form von transportablen Stellwänden bekannt, die zwei oder mehr gelenkig miteinander verbundene flächige Wandschirme umfassen. Durch winkliges Anordnen benachbarter Wandelschirme kann eine Raumtrenneinrichtung geschaffen werden, die eine Sitzeinheit oder Sitzgruppe, einen Arbeitsplatz oder andere Objekte nach mehreren Seiten hin abschirmt. Darüber hinaus schafft die winklige Anordnung von Wandschirmen die notwendige Standsicherheit der Wandschirmanordnung, falls die Wandschirmanordnung über keine separaten bodenseitigen Standfüße verfügt, welche das Kippen verhindern.Wall screens (shielding walls) are used in the furniture sector in particular for privacy purposes. Wall screen arrangements in the form of transportable partition walls are known which comprise two or more flat wall screens connected in an articulated manner. By arranging adjacent convertible screens at an angle, a room partitioning device can be created that shields a seating unit or seating group, a workplace or other objects on several sides. In addition, the angular arrangement of wall screens creates the necessary stability of the wall screen arrangement, if the screen arrangement does not have separate feet on the floor, which prevent it from tipping over.

US 959 560 A offenbart eine Wandschirmverbindungseinrichtung nach dem Oberbegriff des Anspruchs 1. US 959 560 A. discloses a screen connection device according to the preamble of claim 1.

Bekannte Wandschirmverbindungseinrichtungen, die in der Form von einfachen Gelenken ausgebildet sind, haben den Nachteil, dass sie es nicht ermöglichen, die gelenkig miteinander verbundenen Wandschirme bis in eine 0°-Position zusammen zu schwenken, in der sie parallel nebeneinander liegen. Eine derartige 0°-Position ist insbesondere für Transport- und Lagerzwecke wünschenswert. Weiterhin gestatten bekannte Wandschirmverbindungseinrichtungen kein einfaches Verrasten der Wandschirme in einer bestimmten Winkelstellung.Known screen connection devices, which are designed in the form of simple joints, have the disadvantage that they do not make it possible to pivot the screen screens, which are connected to one another in an articulated manner, up to a 0 ° position, in which they lie parallel to one another. Such a 0 ° position is particularly desirable for transport and storage purposes. Furthermore, known screen connection devices do not allow simple locking of the screen in a certain angular position.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Wandschirmverbindungseinrichtung sowie eine Wandschirmanordnung zu schaffen, die ein einfaches Verschwenken der Wandschirme über einen möglichst großen Schwenkbereich sowie eine Verrastung der Wandschirme in mindestens einer Winkelstellung ermöglicht und darüber hinaus auf einfache und kostengünstige Weise herzustellen ist. Diese Aufgabe wird erfindungsgemäß durch eine Wandschirmverbindungseinrichtung gemäß Anspruch 1 und eine Wandschirmanordnung gemäß Anspruch 10 gelöst. Vorteilhafte Ausführungsformen der Erfindung sind in den weiteren Ansprüchen beschrieben.The invention is therefore based on the object of providing a screen connection device and a screen arrangement which enables simple pivoting of the screens over the largest possible swivel range and latching of the screens in at least one angular position and, moreover, can be produced in a simple and inexpensive manner. This object is achieved according to the invention by a screen connecting device according to claim 1 and a screen arrangement according to claim 10. Advantageous embodiments of the invention are described in the further claims.

Die erfindungsgemäße Wandschirmverbindungseinrichtung zum gelenkigen Verbinden von Wandschirmen weist u.a. folgende Merkmale auf:

  • die Wandschirmverbindungseinrichtung weist ein erstes und zweites Gelenkelement und einen Drehzapfen zum gelenkigen Verbinden des ersten und zweiten Gelenkelements auf, wobei der Drehzapfen eine Schwenkachse für die Wandschirme bildet,
  • das erste und zweite Gelenkelement weisen jeweils einen Befestigungsabschnitt zur Befestigung an einem Wandschirm auf, wobei der Befestigungsabschnitt eine Mittelachse hat, die in oder parallel zu einer Hauptebene des Wandschirms anordenbar ist,
  • das erste und zweite Gelenkelement weisen komplementäre Rastflächen auf, die miteinander in Rasteingriff bringbar sind, um das erste und zweite Gelenkelement in mindestens einer Winkelstellung relativ zueinander zu verrasten,
  • mindestens eines der ersten und zweiten Gelenkelemente weist ein Langloch auf, durch das sich der Drehzapfen hindurch erstreckt,
  • das Langloch verläuft zumindest teilweise bogenförmig, schräg oder quer zur Mittelachse des Befestigungsabschnitts,
  • durch Verschieben mindestens eines der Gelenkelemente relativ zum Drehzapfen ist der Rasteingriff zwischen dem ersten und zweiten Gelenkelement lösbar, wodurch die Gelenkelemente relativ zueinander schwenkbar sind.
The screen connection device according to the invention for the articulated connection of wall screens has the following features, among others:
  • the screen connecting device has a first and second articulated element and a pivot pin for articulatingly connecting the first and second articulated element, the pivot pin forming a pivot axis for the screen screens,
  • the first and second joint elements each have a fastening section for fastening to a screen, the fastening section having a central axis which can be arranged in or parallel to a main plane of the screen,
  • the first and second joint elements have complementary locking surfaces which can be brought into locking engagement with one another in order to lock the first and second joint elements in at least one angular position relative to one another,
  • at least one of the first and second joint elements has an elongated hole through which the pivot pin extends,
  • the elongated hole runs at least partially in an arc, obliquely or transversely to the central axis of the fastening section,
  • By shifting at least one of the joint elements relative to the pivot, the locking engagement between the first and second joint element can be released, whereby the joint elements can be pivoted relative to one another.

Mit Hilfe der erfindungsgemäßen Wandschirmverbindungseinrichtung können die gelenkig miteinander verbundenen Wandschirme auf einfache Weise über einen weiten Schwenkbereich verschwenkt werden. Vorzugsweise können die Wandschirme bis in ihre 0°-Stellung zusammengeschwenkt werden, in welcher sie parallel nebeneinander liegen, da es das Langloch, das in mindestens einem der Gelenkelemente vorhanden ist, ermöglicht, dass sich die Position des Drehbolzens und damit der Schwenkachse innerhalb des Langlochs verändert und sich die Wandschirme im Bereich der Wandschirmverbindungseinrichtung etwas auseinander bewegen. Die verbesserte Zusammenfaltbarkeit der Wandschirme erleichtert den Transport und die Verpackung der Wandschirmanordnung und verringert deren Platzbedarf. Zusätzlich besteht eine Verrastmöglichkeit der Wandschirme in mindestens einer vorbestimmten Winkelstellung, vorzugsweise in einer 90°-Stellung der Wandschirme. Weitere Verrastmöglichkeiten in anderen Winkelstellungen, insbesondere auch in einer 60°- und 120°-Winkelstellung, sind vorzugsweise ebenfalls möglich.With the help of the screen connection device according to the invention, the articulated screens can be pivoted in a simple manner over a wide swivel range. Preferably, the screens can be swiveled up to their 0 ° position, in which they are parallel to each other because the elongated hole that is present in at least one of the joint elements enables the position of the pivot pin and thus the pivot axis within the elongated hole to change and the screens to move somewhat apart in the area of the screen connecting device. The improved foldability of the screens improves the transport and packaging of the screen arrangement and reduces its space requirement. In addition, the screens can be locked in at least one predetermined angular position, preferably in a 90 ° position of the screens. Further locking options in other angular positions, in particular also in a 60 ° and 120 ° angular position, are preferably also possible.

Jedes der ersten und zweiten Gelenkelemente weist eine erste Rastfläche und eine zweite Rastfläche auf, wobei die zweite Rastfläche des zweiten Gelenkelements komplementär zur ersten Rastfläche des ersten Gelenkelements ausgebildet und in mindestens einer Winkelstellung der Gelenkelemente mit der ersten Rastfläche des ersten Gelenkelements in Rasteingriff bringbar ist, so dass das erste und zweite Gelenkelement mittels zwei voneinander beabstandeter Rastverbindungen miteinander in Rasteingriff bringbar sind. Diese zwei voneinander getrennten Rastverbindungen, die vorzugsweise auf verschiedenen Seiten der Schwenkachse angeordnet sind, ermöglichen eine besonders sichere Verrastung und eine besonders gleichmäßige Verteilung der auf die Gelenkelemente einwirkenden Kräfte.Each of the first and second joint elements has a first latching surface and a second latching surface, the second latching surface of the second joint element being complementary to the first latching surface of the first joint element and being engageable with the first latching surface of the first joint element in at least one angular position, so that the first and second joint element can be brought into locking engagement with one another by means of two spaced-apart snap-in connections. These two separate locking connections, which are preferably arranged on different sides of the swivel axis, enable a particularly secure locking and a particularly uniform distribution of the forces acting on the joint elements.

Gemäß einer besonders vorteilhaften Ausführungsform sind die ersten und zweiten Rastflächen jeweils stirnseitig an den ersten und zweiten Gelenkelementen angeordnet. Vorteilhafterweise haben die ersten und zweiten Rastflächen jeweils eine wellen- oder zahnförmige Kontur. Hierdurch ist es auf einfache Weise möglich, die Wandschirme in unterschiedlichen Winkelstellungen zu verrasten. Die Anzahl der Wellen bzw. Zähne bestimmt die Anzahl der unterschiedlichen Winkelpositionen und die Größe der Rastschritte. Vorzugsweise sind die Rastflächen derart ausgebildet, dass zwei gelenkig miteinander verbundene Wandschirme zumindest in einer 60°-, 90°-, und 120°-Position verrastbar sind. Es ist jedoch auch ohne weiteres möglich, lediglich eine, zwei oder mehr als drei Rastpositionen vorzusehen.According to a particularly advantageous embodiment, the first and second latching surfaces are each arranged on the end faces of the first and second joint elements. Advantageously, the first and second locking surfaces each have a wave-like or tooth-shaped contour. This makes it possible in a simple manner to lock the screens in different angular positions. The number of shafts or teeth determines the number of different angular positions and the size of the locking steps. The latching surfaces are preferably designed such that two hingedly connected wall screens can be latched at least in a 60 °, 90 °, and 120 ° position. However, it is also readily possible to provide only one, two or more than three locking positions.

Jedes der ersten und zweiten Gelenkelemente umfasst einen zum Befestigungsabschnitt benachbarten Zwischenabschnitt, an dem die erste Rastfläche ausgebildet ist, sowie einen über die erste Rastfläche vorragenden Endabschnitt, an dem die zweite Rastfläche ausgebildet ist.
Vorteilhafterweise hat der Endabschnitt eine geringere Höhe als der Zwischenabschnitt, so dass zwischen dem Zwischenabschnitt und dem Endabschnitt eine Stufe gebildet ist, welche die erste stirnseitige Rastfläche aufweist. Derart hergestellte Gelenkelemente können auf sehr einfache Weise hergestellt und montiert werden. Besonders vorteilhaft ist es hierbei, wenn die Höhe des Endabschnitts 50 % der Höhe des Zwischenabschnitts ist. Werden die Endabschnitte der miteinander zu verbindenden Gelenkelemente aufeinander gelegt, ergibt sich in diesem Fall eine Gesamthöhe der beiden Endabschnitte, die der Höhe der beiden Zwischenabschnitte entspricht.
Each of the first and second joint elements comprises an intermediate section adjacent to the fastening section, on which the first latching surface is formed, and an end section projecting beyond the first latching surface, on which the second latching surface is formed.
Advantageously, the end section has a lower height than the intermediate section, so that a step is formed between the intermediate section and the end section, which has the first end latching surface. Joint elements produced in this way can be produced and assembled in a very simple manner. It is particularly advantageous here if the height of the end section is 50% of the height of the intermediate section. Become the end sections of the one to be joined together Joint elements placed one on top of the other in this case result in a total height of the two end sections which corresponds to the height of the two intermediate sections.

Vorteilhafterweise steht der Endabschnitt über eine Seitenfläche des Zwischenabschnitts vor, wobei zumindest ein Teil des Langlochs in einem Bereich des Endabschnitts angeordnet ist, der seitlich außerhalb der Seitenfläche angeordnet ist. Auf diese Weise lässt sich der Drehbolzen innerhalb des Langlochs so weit seitlich nach außen bewegen, dass sich die Drehachse der Wandschirme in deren 0°-Position in einer Ebene liegt, die entweder in der Berührungsebene zwischen den beiden Wandschirmen liegt oder, wenn die beiden Wandschirme nicht vollkommen zusammengeklappt sind, zwischen den benachbarten Flächen der beiden Wandschirme liegt. Ist das Langloch in beiden Gelenkelementen angeordnet, entspricht das Maß, um das das Langloch sich seitlich über die Seitenfläche des Zwischenabschnitts hinaus erstreckt, mindestens dem Radius des Drehbolzens. Ist das Langloch lediglich in einem Gelenkelement angeordnet, entspricht dieses seitliche Überstandsmaß zweckmäßigerweise mindestens dem Durchmesser des Drehbolzens.The end section advantageously projects over a side surface of the intermediate section, at least part of the elongated hole being arranged in a region of the end section which is arranged laterally outside the side surface. In this way, the pivot pin can be moved laterally outwards within the slot so that the axis of rotation of the screens in their 0 ° position lies in a plane that is either in the plane of contact between the two screens or when the two screens are not completely folded, between the adjacent surfaces of the two screens. If the elongated hole is arranged in both joint elements, the dimension by which the elongated hole extends laterally beyond the side surface of the intermediate section corresponds at least to the radius of the pivot pin. If the elongated hole is only arranged in a joint element, this lateral overhang dimension suitably corresponds at least to the diameter of the pivot pin.

Vorteilhafterweise erstreckt sich der Endabschnitt vom Zwischenabschnitt kreisbogenförmig seitlich weg. Zweckmäßigerweise erstreckt sich hierbei die kreisbogenförmige Krümmung über einen Winkel von 60° bis 80° relativ zur Längsachse des Zwischenabschnitts.The end section advantageously extends laterally away from the intermediate section in the form of a circular arc. The circular arc-shaped curvature expediently extends over an angle of 60 ° to 80 ° relative to the longitudinal axis of the intermediate section.

Vorteilhafterweise ist der Befestigungsabschnitt als länglicher Steckabschnitt zum Einstecken in ein Rahmenrohr eines Wandschirms ausgebildet. Hierdurch können die Gelenkelemente auf sehr schnelle und einfache Weise mit dem zugeordneten Rahmenrohr des Wandschirms verbunden werden.The fastening section is advantageously designed as an elongated plug-in section for insertion into a frame tube of a screen. This allows the Joint elements can be connected to the associated frame tube of the screen in a very quick and simple manner.

Besonders vorteilhaft ist es, wenn das erste und zweite Gelenkelement identisch ausgebildet sind. Hierdurch können Herstellkosten minimiert werden. Weiterhin sind Verwechslungen der Gelenkelemente während der Montage ausgeschlossen.It is particularly advantageous if the first and second joint elements are of identical design. As a result, manufacturing costs can be minimized. Furthermore, confusion of the joint elements during assembly is excluded.

Weiterhin wird die eingangs gestellte Aufgabe mittels einer Wandschirmanordnung mit einem ersten und zweiten Wandschirm gelöst, wobei der erste und zweite Wandschirm mittels mindestens einer Wandschirmverbindungseinrichtung der vorstehend beschriebenen Art miteinander gelenkig verbunden sind. Vorzugsweise weist die Wandschirmanordnung zwei derartige Wandschirmverbindungseinrichtungen auf, wobei eine Wandschirmverbindungseinrichtung am oberen Ende und die andere Wandschirmverbindungseinrichtung am unteren Ende des zwischen den beiden Wandschirmen vorhandenen Gelenkbereichs angeordnet sind.Furthermore, the object stated at the outset is achieved by means of a screen arrangement with a first and second screen, the first and second screens being articulated to one another by means of at least one screen connection device of the type described above. The screen arrangement preferably has two such screen connection devices, one screen connection device being arranged at the upper end and the other screen connection device being arranged at the lower end of the articulated area present between the two wall screens.

Die Erfindung wird nachfolgend anhand der Zeichnungen beispielhaft näher erläutert. Es zeigen:

Figur 1:
eine erfindungsgemäße Wandschirmanordnung mit zwei winklig zueinander angeordneten Wandschirmen,
Figur 2:
die Rahmenelemente der Wandschirmanordnung von Figur 1 mit einer oberen und unteren Wandschirmverbindungseinrichtung gemäß der Erfindung in Explosionsdarstellung,
Figur 3:
ein Gelenkelement der Wandschirmverbindungseinrichtung in räumlicher Darstellung,
Figur 4:
eine Seitenansicht des Gelenkelements von Figur 3,
Figur 5:
eine Draufsicht auf das Gelenkelement von Figur 3,
Figur 6:
die erfindungsgemäße Wandschirmverbindungseinrichtung, wobei sich die beiden Gelenkelemente in einer 180°-Position befinden,
Figur 7:
die Wandschirmverbindungseinrichtung, wobei sich die Gelenkelemente in einer 90°Position befinden, und
Figur 8:
die Wandschirmverbindungseinrichtung, wobei sich die Gelenkelemente in einer 0°-Position befinden.
The invention is explained in more detail below using the drawings as an example. Show it:
Figure 1:
a screen arrangement according to the invention with two screens arranged at an angle to one another,
Figure 2:
the frame elements of the screen arrangement from Figure 1 with an upper and lower screen connection device according to the invention in an exploded view,
Figure 3:
a joint element of the screen connecting device in a spatial representation,
Figure 4:
a side view of the joint element of Figure 3 ,
Figure 5:
a plan view of the joint element of Figure 3 ,
Figure 6:
the screen connection device according to the invention, the two joint elements being in a 180 ° position,
Figure 7:
the screen connecting device, wherein the joint elements are in a 90 ° position, and
Figure 8:
the screen connecting device, the articulation elements being in a 0 ° position.

Aus Figur 1 ist eine Wandschirmanordnung ersichtlich, die zwei gelenkig miteinander verbundene Wandschirme 1a, 1b umfasst. Im gezeigten Ausführungsbeispiel sind diese Wandschirme 1a, 1b in einem Winkel von 90° zueinander angeordnet. Weiterhin sind die Wandschirme vorzugsweise rechteckig und derart ausgebildet, dass sie als Stellwände auf einem Boden aufgestellt werden. Alternativ hierzu ist es jedoch auch denkbar, einen Wandschirm 1a oder 1b an einer Wand, insbesondere gelenkig, mit etwas Abstand zum Boden zu befestigen, so dass eine schwebende Wandschirmanordnung geschaffen wird.Out Figure 1 a screen arrangement can be seen which comprises two hinged screens 1a, 1b. In the exemplary embodiment shown, these wall screens 1a, 1b are arranged at an angle of 90 ° to one another. Furthermore, the screens are preferably rectangular and are designed such that they are set up on a floor as partitions. Alternatively, however, it is also conceivable to have a screen 1a or 1b to be attached to a wall, in particular in an articulated manner, at some distance from the floor, so that a floating screen arrangement is created.

Wie aus Figur 2 ersichtlich, umfasst jeder Wandschirm 1a, 1b einen stabilen Rahmen 2a, 2b mit U-förmig angeordneten Rahmenrohren 33. Diese Rahmenrohre 33 bestehen im gezeigten Ausführungsbeispiel aus Rohrelementen mit im Wesentlichen viereckigem, insbesondere quadratischem Querschnitt. Die Rahmenrohre 33 können beispielsweise aus Aluminium oder Stahl bestehen.How out Figure 2 As can be seen, each screen 1a, 1b comprises a stable frame 2a, 2b with frame tubes 33 arranged in a U-shape. In the exemplary embodiment shown, these frame tubes 33 consist of tube elements with an essentially square, in particular square, cross section. The frame tubes 33 can be made of aluminum or steel, for example.

Die Rahmen 2a, 2b sind an ihrem oberen und unteren Ende mit Wandschirmverbindungseinrichtungen 3 gelenkig miteinander verbunden. Jede Wandschirmverbindungseinrichtung 3 umfasst ein erstes Gelenkelement 4a, ein zweites Gelenkelement 4b und einen Drehzapfen 5 zum gelenkigen Verbinden des ersten und zweiten Gelenkelements 4a, 4b. Der Drehzapfen 5 bildet eine Schwenkachse 32 für die Wandschirme 1a, 1b.The frames 2a, 2b are articulated to one another at their upper and lower ends with screen connecting devices 3. Each screen connecting device 3 comprises a first joint element 4a, a second joint element 4b and a pivot pin 5 for the articulated connection of the first and second joint elements 4a, 4b. The pivot 5 forms a pivot axis 32 for the wall screens 1a, 1b.

Die Gelenkelemente 4a werden durch Einstecken in die zugeordneten Rahmenrohre 33 des Rahmens 2a formschlüssig mit diesen Rahmenrohren 33 verbunden. Die Gelenkelemente 4b werden durch Einstecken in die zugeordneten Rahmenrohre 33 des Rahmens 2b formschlüssig mit diesen Rahmenrohren 33 verbunden. Die Drehzapfen 5 sind am oberen und unteren Ende einer Verbindungsstange 6 befestigt, welche mittig zwischen den beiden Rahmen 2a, 2b angeordnet ist. Die Drehzapfen 5 durchdringen, wie nachfolgend noch näher erläutert wird, übereinanderliegende Langlöcher der Gelenkelemente 4a, 4b und bilden deren gemeinsame Schwenkachse 32. Die Rahmen 2a, 2b sind daher über die Drehzapfen 5 gelenkig miteinander gekoppelt.The hinge elements 4a are positively connected to these frame tubes 33 by inserting them into the associated frame tubes 33 of the frame 2a. The joint elements 4b are positively connected to these frame tubes 33 by inserting them into the associated frame tubes 33 of the frame 2b. The pivot pins 5 are fastened to the upper and lower ends of a connecting rod 6, which is arranged centrally between the two frames 2a, 2b. The pivot pins 5, as will be explained in more detail below, penetrate elongated holes of the joint elements 4a, 4b lying one above the other and form their common Pivot axis 32. The frames 2a, 2b are therefore articulated to one another via the pivot pins 5.

In die unteren Rahmenrohre 33 der Rahmen 2a, 2b und im unteren Endbereich der Verbindungsstange 6 können schraubenartige Standfüße 7 höhenverstellbar eingeschraubt werden, auf denen die Wandschirmanordnung steht.In the lower frame tubes 33 of the frames 2a, 2b and in the lower end region of the connecting rod 6, screw-like feet 7 can be screwed in a height-adjustable manner, on which the wall screen arrangement stands.

Wie aus Figur 1 ersichtlich, dienen die Rahmen 2a, 2b zum Befestigen von Paneelen 8. Diese Paneele 8 können beispielsweise aus mit Stoff überzogenen Platten bestehen, welche die Räume zwischen den Rahmenrohren 33 und der Verbindungsstange 6 ausfüllen. Weiterhin können auch die Rahmenrohre 33 und die Verbindungsstange 6 in ästhetisch ansprechender Weise verkleidet sein. Die Rahmenrohre 33 liegen in bzw. definieren eine Hauptebene für jeden Wandschirm 1a, 1b.How out Figure 1 As can be seen, the frames 2a, 2b serve to fasten the panels 8. These panels 8 can, for example, consist of panels covered with fabric, which fill the spaces between the frame tubes 33 and the connecting rod 6. Furthermore, the frame tubes 33 and the connecting rod 6 can also be covered in an aesthetically pleasing manner. The frame tubes 33 lie in or define a main plane for each screen 1a, 1b.

Im Folgenden werden anhand der Figuren 3 bis 5 die Gelenkelemente 4a, 4b der Wandschirmverbindungseinrichtung 3 näher beschrieben. Die beiden Gelenkelemente 4a, 4b sind identisch ausgebildet, wobei das zweite Gelenkelement 4b um seine Längsachse um 180° verdreht mit dem ersten Gelenkelement 4a gekoppelt wird. Vorzugsweise bestehen die Gelenkelemente 4a, 4b aus einteiligen Kunststoffelementen.The following are based on the Figures 3 to 5 the joint elements 4a, 4b of the screen connecting device 3 are described in more detail. The two joint elements 4a, 4b are of identical design, the second joint element 4b being coupled to the first joint element 4a rotated by 180 ° about its longitudinal axis. The joint elements 4a, 4b preferably consist of one-piece plastic elements.

Das Gelenkelement 4a, 4b umfasst einen Befestigungsabschnitt 9 zum Befestigen des Gelenkelements 4a, 4b am Rahmen 2a, 2b eines Wandschirms 1a, 1b, einen Zwischenabschnitt 10 und einen Endabschnitt 11.The joint element 4a, 4b comprises a fastening section 9 for fastening the joint element 4a, 4b to the frame 2a, 2b of a screen 1a, 1b, an intermediate section 10 and an end section 11.

Der Befestigungsabschnitt 9 ist derart ausgebildet, dass er in ein Rahmenrohr stirnseitig eingesteckt und durch Presssitz festgelegt werden kann. Im gezeigten Ausführungsbeispiel ist der Befestigungsabschnitt 9 zapfenförmig. Er erstreckt sich gerade längs einer Mittel- oder Längsachse 12. Ein freies Ende 13 sowie ein dem Zwischenabschnitt 10 benachbartes Ende 14 des Befestigungsabschnitts 9 haben eine viereckige Außenkontur, die an die Innenkontur des aufnehmenden Rahmenrohrs 33 angepasst ist. Hierdurch wird ein Verdrehen der Gelenkelemente 4a, 4b innerhalb der Rahmenrohre 33 um die Längsachse 12 verhindert. Das Einstecken in das Rahmenrohr 33 kann durch eine Anlaufschräge 15 erleichtert werden, die am freien Ende 13 vorhanden ist. Eine geringe Anlaufschräge kann auch am anderen Ende 14 vorgesehen sein.The fastening section 9 is designed in such a way that it can be inserted at the end into a frame tube and fixed by a press fit. In the exemplary embodiment shown, the fastening section 9 is peg-shaped. It extends straight along a central or longitudinal axis 12. A free end 13 and an end 14 of the fastening section 9, which end is adjacent to the intermediate section 10, have a square outer contour which is adapted to the inner contour of the receiving frame tube 33. This prevents the joint elements 4a, 4b from rotating within the frame tubes 33 about the longitudinal axis 12. The insertion into the frame tube 33 can be facilitated by a bevel 15 which is provided at the free end 13. A small run-up slope can also be provided at the other end 14.

Der Bereich zwischen den Enden 13, 14 weist einen im Wesentlichen kreisförmigen Querschnitt auf und umfasst mehrere längs der Längsachse 12 beabstandete Haltelamellen 16, die eine kreisförmige Außenkontur haben. Die Haltelamellen 16 weisen ebenfalls, wie aus den Figuren 4 und 5 ersichtlich, Anlaufschrägen 17 auf. Hierdurch entsteht eine sägezahnförmige Außenkontur. Der Durchmesser der Haltelamellen 16 ist so bemessen, dass sie sich beim Einstecken in ein Rahmenrohr 33 elastisch deformieren und einen festen Sitz im Rahmenrohr gewährleisten.The area between the ends 13, 14 has a substantially circular cross section and comprises a plurality of holding lamellae 16 spaced along the longitudinal axis 12, which have a circular outer contour. The holding slats 16 also have, as from the Figures 4 and 5 visible, bevels 17 on. This creates a sawtooth-shaped outer contour. The diameter of the holding slats 16 is dimensioned such that they deform elastically when inserted into a frame tube 33 and ensure a firm fit in the frame tube.

Der an den Befestigungsabschnitt 9 anschließende Zwischenabschnitt 10 hat einen im Wesentlichen viereckigen Querschnitt. Die Außenkontur des Zwischenabschnitts 10 entspricht der Außenkontur des den Befestigungsabschnitt 9 aufnehmenden Rahmenrohrs 33, so dass an der Außenseite ein ebener Übergang zwischen dem Rahmenrohr 33 und dem Zwischenabschnitt 10 vorhanden ist. Die dem Rahmenrohr 33 zugewandte Stirnfläche 18 des Zwischenabschnitts 10 dient als Anschlagfläche für das Rahmenrohr 33.The intermediate section 10 adjoining the fastening section 9 has a substantially square cross section. The outer contour of the intermediate section 10 corresponds to the outer contour of the frame tube 33 receiving the fastening section 9, so that on the outside a flat transition between the frame tube 33 and the Intermediate section 10 is present. The end face 18 of the intermediate section 10 facing the frame tube 33 serves as a stop surface for the frame tube 33.

Der Zwischenabschnitt 10 weist weiterhin eine erste stirnseitige Rastfläche 19 auf. Diese stirnseitige Rastfläche 19 wird durch eine Höhenstufe zwischen dem Zwischenabschnitt 10 und dem Endabschnitt 11 gebildet. Wie aus Figur 4 ersichtlich, weist der Zwischenabschnitt 10 eine erste Höhe h1 auf, die größer als eine zweite Höhe h2 des Endabschnitts 11 ist. Zweckmäßigerweise ist die Höhe h2 des Endabschnitts 11 50 % der Höhe h1 des Zwischenabschnitts 10. Weiterhin verläuft die stirnseitige Rastfläche 19 in der in Figur 4 gezeigten Seitenansicht senkrecht zur Längsachse 12. Wird das Gelenkelement 4a, 4b an einem horizontal verlaufenden Rahmenrohr 33 befestigt, was normalerweise der Fall ist, verläuft die stirnseitige Rastfläche 19 somit vertikal.The intermediate section 10 also has a first end-side latching surface 19. This end locking surface 19 is formed by a height step between the intermediate section 10 and the end section 11. How out Figure 4 can be seen, the intermediate section 10 has a first height h1, which is greater than a second height h2 of the end section 11. The height h2 of the end section 11 is expediently 50% of the height h1 of the intermediate section 10. Furthermore, the front locking surface 19 extends in the in FIG Figure 4 Side view shown perpendicular to the longitudinal axis 12. If the hinge element 4a, 4b is attached to a horizontally extending frame tube 33, which is normally the case, the front locking surface 19 thus extends vertically.

Die stirnseitige Rastfläche 19 hat eine wellen- oder zahnförmige Kontur und weist im gezeigten Ausführungsbeispiel drei konvexe Bereiche 19a und zwei konkave Bereiche 19b auf, wie aus Figur 5 ersichtlich. Der seitlich am weitesten außenliegende konvexe Bereich 19a, der in Figur 5 oben liegt, steht in Richtung der Längsachse 12 weiter vor als der benachbarte, mittlere konvexe Bereich 19a, und dieser mittlere, konvexe Abschnitt 19a steht wiederum in Längsrichtung der Längsachse 12 weiter vor als der benachbarte konvexe Bereich 19a, der in Figur 5 unten eingezeichnet ist. Gleiches gilt für die beiden konkaven Bereiche 19b, d.h. der seitlich weiter außen liegende konkave Abschnitt 19b, der in Figur 5 weiter oben eingezeichnet ist, steht in Längsrichtung der Längsachse 12 weiter vor als der weiter innenliegende, untere konkave Abschnitt 19b. Die Anzahl der konvexen und konkaven Bereiche 19a, 19b kann in weitem Umfang variieren und beträgt mindestens 1. Anstelle einer wellenförmigen Kontur ist auch eine zahnförmige Kontur, beispielsweise in der Form einer Innenverzahnung, möglich. Es ist auch möglich, lediglich eine einzige Nut, die in das Innere des Zwischenabschnitts 10 vorragt, oder eine einzige Feder vorzusehen, welche stirnseitig nach außen vorsteht.The front locking surface 19 has a wave-shaped or tooth-shaped contour and, in the exemplary embodiment shown, has three convex regions 19a and two concave regions 19b, as shown in FIG Figure 5 evident. The laterally outermost convex region 19a, which in Figure 5 above, projects further in the direction of the longitudinal axis 12 than the adjacent, central convex region 19a, and this central, convex section 19a in turn projects further in the longitudinal direction of the longitudinal axis 12 than the adjacent convex region 19a, which is shown in FIG. 5 below . The same applies to the two concave regions 19b, that is to say the concave section 19b lying further to the side, which is shown in FIG Figure 5 is drawn further above, stands in the longitudinal direction the longitudinal axis 12 further than the lower concave section 19b located further inside. The number of convex and concave regions 19a, 19b can vary widely and is at least 1. Instead of a wavy contour, a tooth-shaped contour, for example in the form of an internal toothing, is also possible. It is also possible to provide only a single groove, which projects into the interior of the intermediate section 10, or a single tongue, which projects outwards on the end face.

Wie insbesondere aus Figur 3 ersichtlich, weist der Endabschnitt 11 eine erste Fläche 20 auf, die im gezeigten Ausführungsbeispiel eben ausgebildet ist und in einer Ebene liegt, die in oder parallel zur Längsachse 12 liegt. Bei der üblichen Befestigung des Gelenkelements 4a, 4b am Wandschirm 1a, 1b liegt die erste Fläche 20 in einer Horizontalebene. Werden 2 Gelenkelemente 4a, 4b miteinander gekoppelt, wie anhand der Figuren 6 bis 8 später erläutert wird, liegen die beiden ersten Flächen 20 der Gelenkelemente 4a, 4b aufeinander und bilden ebene Gleitflächen, auf denen die Gelenkelemente 4a, 4b relativ zueinander verschwenkt werden können.How in particular from Figure 3 As can be seen, the end section 11 has a first surface 20 which, in the exemplary embodiment shown, is flat and lies in a plane which lies in or parallel to the longitudinal axis 12. In the usual fastening of the joint element 4a, 4b to the screen 1a, 1b, the first surface 20 lies in a horizontal plane. If 2 joint elements 4a, 4b are coupled to one another, as shown in FIG Figures 6 to 8 As will be explained later, the first two surfaces 20 of the joint elements 4a, 4b lie one on top of the other and form flat sliding surfaces on which the joint elements 4a, 4b can be pivoted relative to one another.

Wie weiterhin aus Figur 5 ersichtlich, weist das Gelenkelement 4a, 4b ferner eine erste Seitenfläche 21 auf, die sich von einer Seitenfläche 27 des Zwischenabschnitts 10 aus bogenförmig, insbesondere kreisbogenförmig, längs des Endabschnitts 11 erstreckt. Die gegenüberliegende zweite Seitenfläche 22 des Endabschnitts 11 mit kleinerem Krümmungsradius erstreckt sich ebenfalls zumindest überwiegend kreisbogenförmig. Diese zweite Seitenfläche 22 bildet eine Fortsetzung einer Seitenfläche 23 des Zwischenabschnitts 10. Hieraus ergibt sich, dass in der in Figur 5 gezeigten Draufsicht der Endabschnitt 11 seitlich über die Seitenfläche 23 des Zwischenabschnitts 10 vorsteht. Das Überstandsmaß beträgt mindestens 50 % der Breite des Zwischenabschnitts 10, vorzugsweise zwischen 50 % und 100 % dieser Breite.How continue from Figure 5 can be seen, the joint element 4a, 4b furthermore has a first side surface 21, which extends from a side surface 27 of the intermediate section 10 in an arc shape, in particular in a circular arc shape, along the end section 11. The opposite second side surface 22 of the end section 11 with a smaller radius of curvature likewise extends at least predominantly in the form of a circular arc. This second side surface 22 forms a continuation of a side surface 23 of the intermediate section 10. It follows that in the in Figure 5 Top view shown, the end portion 11 protrudes laterally beyond the side surface 23 of the intermediate portion 10. The protrusion dimension is at least 50% of the width of the intermediate section 10, preferably between 50% and 100% of this width.

Die freie Stirnfläche des Endabschnitts 11 bildet eine zweite stirnseitige Rastfläche 24. Diese zweite Rastfläche 24 ist komplementär zur ersten Rastfläche 19 des Zwischenabschnitts 10 ausgebildet und somit ebenfalls wellen- oder zahnförmig. Im gezeigten Ausführungsbeispiel weist die zweite Rastfläche 24 zwei konvexe Bereiche 24a ("Zähne") und drei konkave Bereiche 24b auf. Sind im montierten Zustand die beiden Wandschirme 1a, 1b und damit die Längsachsen 12 der Gelenkelemente 4a, 4b in einem Winkel von 90° zueinander angeordnet, befinden sich, wie aus Figur 7 ersichtlich, die beiden konvexen Bereiche 24a des zweiten Gelenkelements 4b in den beiden gegenüberliegenden konkaven Bereichen 19b des ersten Gelenkelements 4a, wodurch die beiden Gelenkelemente 4a, 4b miteinander verrastet sind und an einem gegenseitigen Verschwenken gehindert werden.The free end surface of the end section 11 forms a second end-side latching surface 24. This second latching surface 24 is complementary to the first latching surface 19 of the intermediate section 10 and is therefore also wave-shaped or tooth-shaped. In the exemplary embodiment shown, the second latching surface 24 has two convex regions 24a (“teeth”) and three concave regions 24b. If, in the assembled state, the two wall screens 1a, 1b and thus the longitudinal axes 12 of the joint elements 4a, 4b are arranged at an angle of 90 ° to one another, they are as shown in FIG Figure 7 can be seen, the two convex areas 24a of the second articulated element 4b in the two opposite concave areas 19b of the first articulated element 4a, whereby the two articulated elements 4a, 4b are locked together and are prevented from pivoting relative to one another.

Da die zweite Rastfläche 24 komplementär zur ersten Rastfläche 19 ausgebildet ist, kann auch die zweite Rastfläche 24 anstelle einer wellenförmigen Kontur eine zahnförmige Kontur haben oder auch nur eine einzige Nut oder Feder umfassen. Weiterhin sind die Rastflächen 19, 24 im gezeigten Ausführungsbeispiel derart ausgebildet, dass zwei zusammenwirkende Gelenkelemente 4a, 4b nicht nur in einer Winkelstellung, sondern in drei unterschiedlichen Winkelstellungen miteinander verrastet werden können, insbesondere in einer 60°-, 90°- und 120°-Position. Durch eine entsprechende Vervielfältigung der konvexen und konkaven Bereiche 19a, 19b; 24a, 24b , d.h. durch eine entsprechend feinere Verzahnung, lässt sich die Anzahl der Winkelpositionen, in denen die beiden Gelenkelemente 4a, 4b und damit die beiden Wandschirme 1a, 1b verrastet werden können, entsprechend vervielfältigen.Since the second latching surface 24 is complementary to the first latching surface 19, the second latching surface 24 may also have a tooth-shaped contour instead of a wavy contour or may comprise only a single tongue or groove. Furthermore, the locking surfaces 19, 24 in the exemplary embodiment shown are designed such that two interacting joint elements 4a, 4b are locked together not only in one angular position but in three different angular positions can, especially in a 60 °, 90 ° and 120 ° position. By appropriate duplication of the convex and concave areas 19a, 19b; 24a, 24b, ie by means of a correspondingly finer toothing, the number of angular positions in which the two joint elements 4a, 4b and thus the two wall screens 1a, 1b can be locked can be multiplied accordingly.

Wie aus den Figuren 3 und 5 ersichtlich, ist im Endabschnitt 11 weiterhin ein Langloch 25a bzw. 25b angeordnet. Dieses Langloch 25a, 25b dient zum Hindurchführen des Drehzapfens 5, welcher die Schwenkachse 32 zum Schwenken des Gelenkelements 4a, 4b bildet. Im gezeigten Ausführungsbeispiel verläuft die Längsachse des Langlochs 25 etwa 60° zur Längsachse 12 des Befestigungsabschnitts 9 und Zwischenabschnitts 10 und hat in Draufsicht von Figur 5 eine bogenförmige Krümmung. Das Langloch 25a, 25b kann alternativ auch geradlinig schräg oder quer zur Längsachse 12 verlaufen. Weiterhin ist aus Figur 5 ersichtlich, dass das Langloch 25a, 25b einen ersten Endbereich 26 aufweist, der sich zwischen Verlängerungen der Seitenwände 23 und 27 des Zwischenabschnitts 10 befindet und sich bis nahe zur Längsachse 12 erstreckt, sowie einen zweiten Endbereich 28, der sich seitlich außerhalb der Verlängerung der Seitenwand 23 befindet. Ein Teil des Langlochs 25a, 25b ist somit in einem Bereich des Endabschnitts 11 angeordnet, der seitlich außerhalb der Seitenfläche 23 angeordnet ist.Like from the Figures 3 and 5 can be seen, an elongated hole 25a or 25b is also arranged in the end section 11. This elongated hole 25a, 25b serves to pass through the pivot pin 5, which forms the pivot axis 32 for pivoting the articulated element 4a, 4b. In the exemplary embodiment shown, the longitudinal axis of the elongated hole 25 extends approximately 60 ° to the longitudinal axis 12 of the fastening section 9 and intermediate section 10 and has a plan view from Figure 5 an arcuate curvature. The elongated hole 25a, 25b can alternatively also run in a straight line obliquely or transversely to the longitudinal axis 12. Furthermore is off Figure 5 it can be seen that the elongated hole 25a, 25b has a first end region 26 which is located between extensions of the side walls 23 and 27 of the intermediate section 10 and extends close to the longitudinal axis 12, and a second end region 28 which extends laterally outside the extension of the side wall 23 is located. A part of the elongated hole 25a, 25b is thus arranged in a region of the end section 11 which is arranged laterally outside the side surface 23.

Das Langloch 25a, 25b ermöglicht ein Verschieben des Gelenkelements 4a, 4b quer zum Drehzapfen 5. Insbesondere ermöglicht es das Langloch 25a, 25b, dass zwei zusammenwirkende Gelenkelemente 4a, 4b im montierten Zustand so weit auseinandergezogen werden können, dass sie die in Figur 8 gezeigte 0° Position einnehmen können, in welcher die Längsachsen 12 der beiden Gelenkelemente 4a, 4b parallel nebeneinander liegen und die Wandschirme 1a, 1b parallel und dicht nebeneinander angeordnet sind.The elongated hole 25a, 25b enables the articulation element 4a, 4b to be displaced transversely to the pivot pin 5. In particular, the elongated hole 25a, 25b enables two interacting elements Joint elements 4a, 4b can be pulled apart so far in the assembled state that they Figure 8 can assume the 0 ° position shown, in which the longitudinal axes 12 of the two joint elements 4a, 4b lie parallel next to one another and the wall screens 1a, 1b are arranged parallel and close to one another.

Im Folgenden wird anhand der Figuren 6 bis 8 das Verschwenken von zwei zusammenwirkenden Gelenkelementen 4a, 4b aus ihrer in Figur 6 dargestellten 180°-Position in eine in Figur 7 dargestellte 90°-Position und in eine in Figur 8 dargestellte 0°-Position näher beschrieben. Der Drehzapfen 5 ist dabei nicht eingezeichnet, da hierdurch die Verlagerung des Überschneidungsbereichs der übereinanderliegenden Langlöcher 25a, 25b besser erkennbar ist. Weiterhin ist aus den Figuren 6 bis 8 noch ersichtlich, dass die Langlöcher 25a, 25b eine umlaufende taschenartige Verbreiterung 29 aufweisen, die sich von einer zweiten Fläche 30 (Figur 4) welche parallel zur ersten Fläche 20 angeordnet ist, lediglich über einen Teil der Höhe h2 des Endabschnitts 11 erstreckt. Diese Verbreiterung 29 dient zur vertieften Aufnahme eines verbreiterten Durchmesserbereichs des Drehzapfens 5 und eines gegenüberliegenden Schraubenkopfs einer in den Drehzapfen 5 axial einschraubbaren Sicherungsschraube, um die beiden zusammenwirkenden Gelenkelemente 4a, 4b in Axialrichtung des Drehzapfens 5 festzulegen und dicht aneinander zu halten. Die taschenartige Verbreiterung 29 geht mittels einer schrägen Phase 31 in das in den Figuren 3 und 5 dargestellte Langloch 25a, 25b über.The following is based on the Figures 6 to 8 the pivoting of two interacting joint elements 4a, 4b from their in Figure 6 shown 180 ° position in a Figure 7 shown 90 ° position and in a Figure 8 shown 0 ° position described in more detail. The pivot pin 5 is not shown here, since this makes it easier to see the shifting of the overlap area of the overlying elongated holes 25a, 25b. Furthermore, from the Figures 6 to 8 It can also be seen that the elongated holes 25a, 25b have a circumferential pocket-like widening 29 which extends from a second surface 30 ( Figure 4 ) which is arranged parallel to the first surface 20, extends only over part of the height h2 of the end section 11. This widening 29 serves to deeply accommodate a widened diameter range of the pivot pin 5 and an opposite screw head of a locking screw which can be axially screwed into the pivot pin 5 in order to fix the two cooperating joint elements 4a, 4b in the axial direction of the pivot pin 5 and to hold them tightly together. The pocket-like widening 29 goes by means of an oblique phase 31 into the Figures 3 and 5 shown elongated hole 25a, 25b.

Wie aus Figur 6 ersichtlich, befindet sich in der 180°-Position der Gelenkelemente 4a, 4b, in welcher die beiden Wandschirme 1a, 1b fluchten, die gemeinsame Schwenkachse 32 relativ nahe an den Längsachsen 12. Der Drehzapfen 5 liegt hierbei an den beiden ersten Endbereichen 26 der Langlöcher 25a, 25b an, die benachbart zu den ersten stirnseitigen Rastflächen 19 sind. Die zweiten Rastflächen 24 der Endabschnitte 11 sind außer Eingriff mit den ersten Rastflächen 19 der Zwischenabschnitte 10.How out Figure 6 can be seen, is in the 180 ° position of the joint elements 4a, 4b, in which the two Wall screens 1a, 1b are aligned, the common pivot axis 32 is relatively close to the longitudinal axes 12. The pivot pin 5 bears against the two first end regions 26 of the elongated holes 25a, 25b, which are adjacent to the first end latching surfaces 19. The second latching surfaces 24 of the end sections 11 are out of engagement with the first latching surfaces 19 of the intermediate sections 10.

Diese 180°-Position ist insbesondere bei der Herstellung der die beiden Wandschirme 1a, 1b umfassenden Wandschirmanordnung vorteilhaft und kann auch bei der Lagerung derartiger Wandschirmanordnungen zweckmäßig sein. Der Gelenkbereich zwischen den beiden Wandschirmen 1a, 1b, d.h. der Bereich, in dem sich die Verbindungsstange 6 und die Gelenkelemente 4a, 4b befinden, ist zweckmäßigerweise mit einem elastischen Bezug überspannt, der die Gelenkelemente 4a, 4b zueinander zieht.This 180 ° position is particularly advantageous in the production of the wall screen arrangement comprising the two wall screens 1a, 1b and can also be useful in the storage of such wall screen arrangements. The hinge area between the two wall screens 1a, 1b, i.e. the area in which the connecting rod 6 and the joint elements 4a, 4b are located is expediently covered with an elastic cover that pulls the joint elements 4a, 4b towards one another.

In Figur 7 ist eine 90°-Position gezeigt, d.h. eine Position, in der sich die Längsachsen 12 und damit die Wandschirme 1a, 1b in einem Winkel von 90° befinden. In dieser Position liegen die beiden Endabschnitte 11 der Gelenkelemente 4a, 4b genau übereinander. Die erste Seitenfläche 21 des Endabschnitts 11 der beiden Gelenkelemente 4a, 4b geht stufenlos in die jeweils benachbarte Seitenfläche 27 der Zwischenabschnitte 10 über. In gleicher Weise geht die zweite Seitenfläche 22 des Endabschnitts 11 der beiden Gelenkelemente 4a, 4b stufenlos in die Seitenfläche 23 des jeweils anderen Gelenkelements 4b, 4a über. Weiterhin ist in Figur 7 die Verraststellung gezeigt, in welcher die ersten Rastflächen 19 der Zwischenabschnitte 10 in Rasteingriff mit den jeweils zweiten Rastflächen 24 der Endabschnitte 11 sind. In dieser verrastenden Stellung werden die Gelenkelemente 4a, 4b wiederum durch das elastische Material oder die Wandbespannung gehalten, das bzw. die sich im Gelenkbereich zwischen den Wandschirmen 1a, 1b befindet.In Figure 7 a 90 ° position is shown, ie a position in which the longitudinal axes 12 and thus the wall screens 1a, 1b are at an angle of 90 °. In this position, the two end sections 11 of the joint elements 4a, 4b lie exactly one above the other. The first side surface 21 of the end section 11 of the two joint elements 4a, 4b merges smoothly into the respectively adjacent side surface 27 of the intermediate sections 10. In the same way, the second side surface 22 of the end section 11 of the two joint elements 4a, 4b continuously merges into the side surface 23 of the other joint element 4b, 4a. Furthermore, in Figure 7 the latching position is shown, in which the first latching surfaces 19 of the intermediate sections 10 are in latching engagement with the respective second latching surfaces 24 of the end sections 11. In this latching position, the hinge elements 4a, 4b are in turn held by the elastic material or the wall covering, which is located in the hinge area between the wall screens 1a, 1b.

Wie aus Figur 7 ersichtlich, befindet sich in dieser 90°- Position die Drehachse 32 wiederum in maximaler Nähe zu den Längsachsen 12, d.h. maximal benachbart zum jeweils ersten Endbereich 26 der Langlöcher 25a, 25b. Um von der in Figur 6 gezeigten 180°-Position in die in Figur 7 gezeigte 90°-Position zu gelangen, ist es jedoch erforderlich und möglich, die beiden Gelenkelemente 4a, 4b geringfügig auseinander zu ziehen, um die zusammenwirkenden Rastflächen 19, 24 relativ zueinander verschieben bzw. verschwenken zu können. Weiterhin ist das Verschwenken der Wandschirme 1a, 1b auch durch Aufbringen einer erhöhten Schwenkkraft möglich, die bewirkt, dass die konvexen Bereiche 24a der zweiten Rastflächen 24 über die konvexen Bereiche 19a der ersten Rastflächen 19 gleiten.How out Figure 7 As can be seen, in this 90 ° position the axis of rotation 32 is again in maximum proximity to the longitudinal axes 12, ie maximally adjacent to the respective first end region 26 of the elongated holes 25a, 25b. To from the in Figure 6 to reach the 90 ° position shown in FIG. 7, however, it is necessary and possible to pull the two joint elements 4a, 4b slightly apart in order to shift or pivot the cooperating latching surfaces 19, 24 relative to one another can. Furthermore, the wall screens 1a, 1b can also be pivoted by applying an increased pivoting force which causes the convex regions 24a of the second latching surfaces 24 to slide over the convex regions 19a of the first latching surfaces 19.

In Figur 8 ist eine 0°-Position gezeigt, in der sich die Befestigungsabschnitte 9 der beiden Gelenkelemente 4a, 4b nebeneinander und parallel zueinander befinden. Der Abstand zwischen den Verbindungsabschnitten 9 bzw. Zwischenabschnitten 10 ist so bemessen, dass die Wandschirme 1a, 1b in dieser Position dicht aneinander liegen.In Figure 8 a 0 ° position is shown, in which the fastening sections 9 of the two joint elements 4a, 4b are located next to one another and parallel to one another. The distance between the connecting sections 9 or intermediate sections 10 is dimensioned such that the wall screens 1a, 1b are close to one another in this position.

In diese 0°-Position können die Gelenkelemente 4a, 4b gebracht werden, indem die Gelenkelemente 4, 4b in Querrichtung des Drehzapfens 5 verschoben werden. Diese Verschiebung erfolgt so weit, bis der Drehzapfen 5 am zweiten Endbereich 28 der Langlöcher 25a, 25b anschlägt. Die Schwenkachse 32 ist in dieser Stellung somit dem zweiten Endbereich 28 der Langlöcher 25a, 25b maximal angenähert. Wie aus Figur 8 ersichtlich, befindet sich die Schwenkachse 32 in einer zwischen den beiden Längsachsen 12 liegenden Vertikalebene und' vorzugsweise in der Kontaktebene der beiden Wandschirme 1a, 1b.The joint elements 4a, 4b can be brought into this 0 ° position by displacing the joint elements 4, 4b in the transverse direction of the pivot pin 5. This displacement takes place until the pivot 5 strikes the second end region 28 of the elongated holes 25a, 25b. The In this position, pivot axis 32 is thus maximally approximated to second end region 28 of elongated holes 25a, 25b. How out Figure 8 As can be seen, the pivot axis 32 is located in a vertical plane lying between the two longitudinal axes 12 and 'preferably in the contact plane of the two wall screens 1a, 1b.

Es ist ersichtlich, dass die beiden Gelenkelemente 4a, 4b relativ zueinander über einen großen Schwenkbereich verschwenkt und in unterschiedlichen Rastpositionen miteinander verrastet werden können, indem die Schwenkachse 32 relativ zu den Gelenkelementen 4a, 4b verlagert wird. Weiterhin ist erkennbar, dass die Gelenkelemente 4a, 4b auch über die in Figur 6 gezeigte 180°-Position hinaus, beispielsweise bis in eine 240°-Position, geschwenkt werden können, da zwischen den ersten Rastflächen 19 und den ersten Seitenflächen 21 des jeweils anderen Gelenkelements 4a, 4b in der 180°-Position noch ein entsprechender Freiraum vorhanden ist. Dieser Freiraum kann auf einfache Weise dadurch erreicht werden, dass sich die Langlöcher 25a, 25b bis relativ nahe zur zweiten Rastfläche 24 erstrecken.It can be seen that the two joint elements 4a, 4b can be pivoted relative to one another over a large pivoting range and can be locked together in different latching positions by displacing the pivot axis 32 relative to the joint elements 4a, 4b. Furthermore, it can be seen that the articulated elements 4a, 4b also via the in Figure 6 180 ° position shown, for example, can be pivoted into a 240 ° position, since there is still a corresponding free space between the first latching surfaces 19 and the first side surfaces 21 of the respective other joint element 4a, 4b in the 180 ° position . This free space can be achieved in a simple manner in that the elongated holes 25a, 25b extend up to relatively close to the second latching surface 24.

Durch die gezeigte Kombination der beiden Gelenkelemente 4a, 4b werden zwei separate, zwischen den Gelenkelementen 4a, 4b wirkende Rastverbindungen geschaffen, die sich auf gegenüberliegenden Seiten der Schwenkachse (32) befinden. Diese beiden Rastverbindungen befinden sich weiterhin auf unterschiedlichen Höhen, d.h. sie sind längs der Schwenkachse 32 versetzt.The combination of the two joint elements 4a, 4b shown creates two separate latching connections which act between the joint elements 4a, 4b and are located on opposite sides of the pivot axis (32). These two rest connections are still at different heights, i.e. they are offset along the pivot axis 32.

Im Rahmen der Erfindung sind eine Vielzahl von Abwandlungen möglich. Beispielsweise ist es möglich, anstelle von in die Rahmenrohre 33 einsteckbaren Befestigungsabschnitten 9 solche Befestigungsabschnitte vorzusehen, die an den Rahmenrohren 33 festgeschraubt oder anderweitig befestigt werden. Der Drehzapfen 5 muss nicht Teil der Verbindungsstange 6 sein, sondern kann auch ein hierzu separater Drehzapfen sein. Die Rahmenrohre 33 der aus Figur 2 ersichtlichen Rahmen 2a, 2b können nicht nur dreiseitig, sondern auch vierseitig angeordnet sein, so dass die Rahmenrohre 33 eines jeden Rahmens 2a, 2b einen geschlossen umlaufenden Rahmen 2a bzw. 2b bilden. Weiterhin ist es auch möglich, zwischen den zusammenwirkenden Gelenkelementen 4a, 4b separate Federelemente vorzusehen, mit denen die Gelenkelemente 4a, 4b zumindest in ihrer Verrastposition bzw. ihren Verrastpositionen gegeneinander gezogen werden.A large number of modifications are possible within the scope of the invention. For example, it is possible instead of fastening sections 9 which can be inserted into the frame tubes 33, such fastening portions which are screwed or otherwise fastened to the frame tubes 33. The pivot 5 does not have to be part of the connecting rod 6, but can also be a separate pivot. The frame tubes 33 from Figure 2 The visible frames 2a, 2b can be arranged not only on three sides but also on four sides, so that the frame tubes 33 of each frame 2a, 2b form a closed frame 2a and 2b, respectively. Furthermore, it is also possible to provide separate spring elements between the cooperating joint elements 4a, 4b, with which the joint elements 4a, 4b are pulled against one another at least in their latching position or their latching positions.

Claims (10)

  1. Screen connection device for hinging screens together (1a, 1b), having the following features:
    - the screen connection device (3) has a first and second hinge element (4a, 4b) and a pivot pin (5) for hinging the first and second hinge element (4a, 4b) together, the pivot pin (5) forming a pivot axis (32) for the screens (1a, 1b),
    - the first and second hinge element (4a, 4b) each have a fastening portion (9) for being fastened to a screen (1a, 1b), the fastening portion (9) having a central axis (12) which can be arranged in or parallel to a main plane of the screen (1a, 1b),
    - the first and second hinge element (4a, 4b) have complementary locking surfaces (19, 24) which can be brought into locking engagement with one another so as to lock the first and second hinge element (4a, 4b) in at least one angular position with respect to one other,
    - at least one of the first and second hinge elements (4a, 4b) has an elongate hole (25a, 25b) through which the pivot pin (5) extends,
    - the elongate hole (25a, 25b) extends at least partially in an arc, obliquely or transversely to the central axis (12) of the fastening portion (9),
    - by moving at least one of the hinge elements (4a, 4b) relative to the pivot pin (5), the locking engagement between the first and second hinge element 4a, 4b can be released, thus allowing the hinge elements (4a, 4b) to be pivoted relative to one another,
    - each of the first and second hinge elements (4a, 4b) has a first locking surface (19) and a second locking surface (24),
    characterised in that the first locking surface (19) is formed on an intermediate portion (10) adjacent to the fastening portion (9) and the second locking surface (24) is formed on an end portion (11) of the hinge element (4a, 4b), which portion projects beyond the first locking surface (19), the second locking surface (24) of the second hinge element (4b) being complementary to the first locking surface (19) of the first hinge element (4a) and it being possible to bring said second locking surface into locking engagement with the first locking surface (19) of the first hinge element (4a) in at least one angular position of the hinge elements (4a, 4b) such that the first and second hinge element (4a, 4b) can be brought into locking engagement with one another by means of two mutually spaced locking connections.
  2. Screen connection device according to claim 1, characterised in that the first and second locking surfaces (19, 24) are each arranged on end faces of the first and second hinge element (4a, 4b).
  3. Screen connection device according to either claim 1 or claim 2, characterised in that the first and second locking surfaces (19, 24) each have an undulating or dentiform contour.
  4. Screen connection device according to any of the preceding claims, characterised in that the intermediate portion (10) has a first height (h1), and in that the end portion (11) has a second height (h2) which is smaller than the first height (h1), such that a step which comprises the first locking surface (19) is formed between the intermediate portion (10) and the end portion (11).
  5. Screen connection device according to claim 4, characterised in that the height (h2) of the end portion (11) is 50% of the height (h1) of the intermediate portion (10).
  6. Screen connection device according to any of the preceding claims, characterised in that the intermediate portion (10) has a side surface (23) and the end portion (11) projects laterally beyond this side surface (23), at least part of the elongate hole (25a, 25b) being arranged in a region of the end portion (11) that is arranged laterally outside the side surface (23).
  7. Screen connection device according to any of the preceding claims, characterised in that the end portion (11) extends laterally away from the intermediate portion (10) in a circular arc.
  8. Screen connection device according to any of the preceding claims, characterised in that the fastening portion (9) is designed as an elongate plug portion for being plugged into a frame tube (33) of a screen (1a, 1b).
  9. Screen connection device according to any of the preceding claims, characterised in that the first and second hinge element (4a, 4b) are identical.
  10. Screen assembly comprising a first and second screen (1a, 1b), characterised in that the first and second screen (1a, 1b) are hinged together by a screen connection device (3) according to any of the preceding claims.
EP17710380.1A 2017-02-17 2017-02-17 Screen connecting device for jointed connecting of screens and screen arrangement Active EP3563009B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2017/000153 WO2018150212A1 (en) 2017-02-17 2017-02-17 Screen connecting device for jointed connecting of screens and screen arrangement

Publications (2)

Publication Number Publication Date
EP3563009A1 EP3563009A1 (en) 2019-11-06
EP3563009B1 true EP3563009B1 (en) 2020-07-22

Family

ID=58266684

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17710380.1A Active EP3563009B1 (en) 2017-02-17 2017-02-17 Screen connecting device for jointed connecting of screens and screen arrangement

Country Status (3)

Country Link
EP (1) EP3563009B1 (en)
ES (1) ES2819873T3 (en)
WO (1) WO2018150212A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US959560A (en) * 1909-08-18 1910-05-31 Abraham B Landis Shutter-hinge.
DE1708253A1 (en) * 1966-10-13 1971-05-06 Ohg Bassan & C S R L Concealed hinge, for the sash of windows, doors, furniture or the like.
US20080178543A1 (en) * 2007-01-29 2008-07-31 Maas Paul A Portable room divider with glide feet

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3563009A1 (en) 2019-11-06
WO2018150212A1 (en) 2018-08-23
ES2819873T3 (en) 2021-04-19

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