Locking mechanism and object

The closure arrangement addresses the challenges of high cost, complexity, and space occupation in existing mechanisms by using connectable slat elements and adaptable materials, ensuring economical, easy assembly, and maintenance-friendly operation.

DE202025100575U1Active Publication Date: 2026-06-11REHAU IND SE & CO KG

Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Utility models
Current Assignee / Owner
REHAU IND SE & CO KG
Filing Date
2025-02-05
Publication Date
2026-06-11

AI Technical Summary

Technical Problem

Existing closure mechanisms for openings, particularly in furniture, are expensive to manufacture, require complex assembly, occupy significant space, and are mechanically intricate, leading to maintenance issues and high installation costs.

Method used

A closure arrangement with slat elements featuring connecting devices that allow for tool-free assembly and replacement, using materials like polymeric, metallic, and ceramic components, and employing a force-fit and/or form-fit connection, suitable for both horizontal and vertical applications, and adaptable through 3D printing.

Benefits of technology

The solution provides an economical, sustainable, and easily assembled closure mechanism that is versatile, space-efficient, and maintenance-friendly, with components that can be replaced cost-effectively and adapted to various furniture designs.

✦ Generated by Eureka AI based on patent content.

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Abstract

Closure arrangement for openings (10), in particular of furniture, shelves, boxes, containers, buildings, walls, cabinet furniture (1) and the like, with at least one closure device (2) in particular blind, roller shutter and the like., which is arranged in the area of ​​at least one opening (10) to be movable from a closed position (GP) to an open position (OP) and back, which is operatively connected to at least one guide device (5) arranged at the opening (10), which has lamellar elements (20), wherein the lamellar elements (20) each have at least one connecting device (4,4') on their end faces, wherein the connecting device (4,4') has at least one receiving element (6,7) with at least one first opening (41) and at least one second opening (42), characterized in that at least two connecting devices (4,4') arranged side by side in the closing device (2) are connected to each other via at least one separate connecting element (5) arranged in the first opening (41) of the first connecting device (4) and the second opening (42) of the second connecting device (4').
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Description

[0001] The invention relates to a closure arrangement for openings, in particular of furniture, shelves, baskets, containers, buildings, walls, vehicles, cabinet furniture and the like, with at least one closure device, in particular a blind, roller shutter and the like, which is arranged in the area of ​​at least one opening to be movable from a closed position (GP) to an open position (OP) and back, according to the features of the preamble of claim 1. The invention further relates to an object with at least one opening, in particular furniture, shelves, baskets, containers, buildings, walls, vehicles, cabinet furniture and windows with at least one such closure arrangement.

[0002] Such locking mechanisms have proven their worth for many years and are known in various designs.

[0003] DE 102017000214 A1 discloses a closure arrangement, in particular for cabinet furniture, with a louvered blind which is arranged in the area of ​​an opening of a cabinet furniture so as to be movable from a closed position to an open position and back, and has louvers arranged parallel to each other which are movable in lateral guides during their opening and closing movement, wherein the lateral guides of the louvers are formed by respective guide tracks which have a first essentially straight vertical or horizontal guide track and a second guide track which is oriented essentially orthogonally to the first guide track, so that at least a part of the louvers of the blind can be moved from a closed position to an open position located inside the cabinet, in which the louvers are arranged one behind the other in a packed position parallel to each other.Furthermore, a second vertical or horizontal guide track is provided parallel to the first vertical or horizontal guide track, with a guide body of a lamella engaging in the second guide track. The closure arrangement is further designed such that the first vertical or horizontal guide track transitions into a first second guide track orthogonal to it with a curved corner region (E), and the second first vertically or horizontally oriented guide track transitions via an arc-shaped corner region (E1) into a second second guide track orthogonal to the second first guide track.

[0004] A disadvantage of this locking mechanism is that it is very expensive to manufacture and to assemble in a complex process.

[0005] A further disadvantage of this locking arrangement is that it can only be installed if costly and technically demanding milling work has been carried out in the side walls and / or the top or bottom of cabinet furniture in particular.

[0006] Another disadvantage is that this type of locking mechanism takes up a lot of space or storage area in, for example, a cabinet, which is then no longer available to the user.

[0007] Another disadvantage is that this locking mechanism is mechanically very complex to design and therefore must be manufactured with very tight tolerances, and is extremely maintenance-intensive, requires care, and is prone to malfunctions in use.

[0008] This is where the invention comes in, which aims to overcome the disadvantages of the known prior art and to present a closure arrangement that is economical and sustainable to manufacture, applicable to both horizontal and vertical use, suitable for closing new openings, particularly in furniture, as well as for closing existing openings, particularly in furniture, through replacement installations, and designed in such a way that a possible replacement of the slats is straightforward and cost-effective. A further object of the invention is an object with at least one opening, particularly furniture, shelves, cabinets, containers, buildings, walls, vehicles, wardrobes, and windows, with at least one such closure arrangement.

[0009] This problem is solved according to the invention by the features of claim 1. Further advantageous embodiments are described in the dependent claims. The further problem is solved by the features of claim 11.

[0010] It has surprisingly been found that a closure arrangement for openings, in particular of furniture, shelves, baskets, containers, buildings, walls, vehicles, cabinet furniture and the like, with at least one closure device, in particular blinds, roller shutters and the like, which is arranged in the area of ​​at least one opening to be movable from a closed position (GP) to an open position (OP) and back, which is in operative connection with at least one guide device arranged at the opening, which has slat elements, wherein the slat elements each have at least one connecting device on their end faces, wherein the connecting device has at least one receiving element with at least one first opening and at least one second opening, is characterized in that at least two connecting devices arranged side by side in the closure device are connected via at least one,Separate connecting elements are arranged in the first opening of the first connecting device and the second opening of the second connecting device. This makes it possible to provide closure assemblies that are economical and sustainable to manufacture, suitable for both horizontal and vertical applications, and usable for closing openings in new furniture as well as for closing existing openings in furniture through replacement assembly.

[0011] Another advantage of this locking arrangement is that the individual components can be assembled very easily and quickly without tools.

[0012] Another advantage is that with this closure arrangement, the mounted louver elements can be replaced easily, cost-effectively and in accordance with the design requirements of the customers.

[0013] Another advantage of the locking mechanism is that it was not only mechanically operated by hand, but could also be moved electrically later by means of a motor.

[0014] The locking mechanism is designed such that the connecting element is arranged in the opening of the receiving elements of the connecting device in a force-fit and / or form-fit manner. This results in efficient, quick, and tool-free assembly of the locking mechanism.

[0015] The locking mechanism is also advantageously designed such that the connecting element provides a force-fit and / or form-fit connection, allowing rotational movement between the opposing openings of the receiving elements of the connecting device. In addition to the effective assembly of the locking mechanism, it is suitable, when used as intended, for almost all types of furniture, particularly cabinets, with regard to cabinet width, height, and radii for locking devices.

[0016] Furthermore, the locking arrangement is designed such that the connecting element has at least one locking element.

[0017] The locking mechanism is further designed such that the locking element of the connecting element engages the first opening of at least one receiving element of the connecting device in a snap-fit ​​manner. In addition to cost-effective and sustainable manufacturing of the individual components of the locking mechanism, this advantageously makes the assembly of these components very simple and possible without tools.

[0018] Furthermore, the locking mechanism is designed such that the connecting element has at least one base and a guide element projecting from it. This also leads to economical and sustainable manufacturing of the individual components of the locking mechanism.

[0019] Furthermore, the locking mechanism is designed such that the connecting element has at least two locking elements spaced apart from each other by at least one opening. This makes the locking mechanism very easy to assemble and, when used as intended, ensures that it is both quiet and securely mounted.

[0020] Furthermore, the locking mechanism is designed such that the connecting element has at least one cavity. This leads to economical and sustainable manufacturing of the components.

[0021] The locking arrangement is furthermore designed such that the connecting device has a base and at least one receiving element arranged on this base. The locking arrangement is further designed such that the receiving element of the connecting device has at least one opening.

[0022] Advantageously, the locking arrangement is designed such that the receiving elements of the connecting device are connected to each other via at least one stiffening element. This enables economical and sustainable manufacturing of the individual components of the locking arrangement, while furthermore optimizing the stability and strength of the connecting device.

[0023] It is also advantageous if the closure arrangement is designed such that the connecting device and / or the connecting element and / or the lamellar elements are at least partially made of a polymeric and / or a thermosetting and / or a metallic and / or a ceramic material.

[0024] This makes it possible to produce the components of the closure assembly economically and sustainably, and on the other hand, the components of the closure assembly can be adapted to the respective requirements through an optimal selection of materials.

[0025] The material of the connecting device and / or the connecting element and / or the lamellar elements is based on polyolefin, such as polypropylene (PP) or polyethylene (PE); a styrene-based polymer, such as polystyrene (PS) or styrene-butadiene copolymer with a predominant styrene content (SB) or acrylonitrile-styrene-acrylate copolymers (ASA) or acrylonitrile-butadiene-styrene copolymers (ABS) or styreneacrylonitrile (SAN); polybutylene terephthalate (PBT); polyethylene terephthalate (PET); polyoxymethylene (POM); polyamide (PA); polycarbonate (PC); polymethyl methacrylate (PMMA); polyphenylene oxide (PPO); polyetheretherketone (PEEK); polyphenylene sulfide (PPS); liquid crystal polymer (LCP); polyamide-imides (PAI); polyphenylsulfone (PPSU); polyaryletherketone (PAEK); polyacrylonitrile (PAN); polyetherketone (PEK); polyimide (PI); polyisobutene (PIB); polyphthalamide (PPA); polypyrrole (PPY); Polyurethane (PUR); polyvinyl alcohol (PVA);Polyvinyl acetate (PVAC) is based on thermoplastic polymers based on olefins (TPE), such as thermoplastic polyurethane (TPU), and mixtures of at least two of these materials;

[0026] Suitable thermosetting materials include phenolic resin, urea resin or melamine resin, but also epoxy resins, crosslinkable polyurethanes and unsaturated polyester resins.

[0027] Suitable fillers and / or reinforcing materials can be added to the thermoplastic / thermoplastic material of the connecting device and / or the connecting element and / or the lamellar elements, which positively influence the mechanical properties, in particular glass fibers, glass beads, but also fillers such as chalk, talc, Teflon and the like.

[0028] The fillers and / or reinforcing materials are present in quantities of approximately 2 to 75 wt.%, preferably 5 to 45 wt.%, based on the total mass. This makes it possible for the first time to design the geometry of the connecting device and / or the connecting element and / or the lamellar elements and / or the closure device in an automated, economical, cost-effective, and visually appealing manner. By incorporating and varying the reinforcing materials into the material of the connecting device and / or the connecting element, the flexural stiffness and the modulus of elasticity, in particular, can be optimally adjusted and varied according to legal requirements as well as the required closure arrangement.

[0029] Metallic materials, as used here, refer specifically to alloys, particularly ferrous alloys such as steel, cast iron, and stainless steel, as well as non-ferrous metals such as copper, aluminum, and zinc. Also included are metallic materials made from non-ferrous alloys, such as brass and bronze.

[0030] The ceramic materials used are selected from clay ceramics, porcelain, technical ceramics, composite ceramics, oxide or non-oxide ceramics and the like.

[0031] Furthermore, the closure arrangement is advantageously designed such that the material of the connecting device and / or the connecting element contains at least one of the following additives: stabilizers to improve resistance to light, UV radiation, and weathering; stabilizers to improve thermal and thermo-oxidative resistance; stabilizers to improve hydrolytic resistance; stabilizers to improve acidolytic resistance; lubricants; demolding aids; color additives; crystallization-regulating substances and nucleating agents; flame retardants; impact modifiers; fillers; and / or plasticizers. The additives may advantageously comprise renewable raw materials in proportions of 0.01 to 100%, preferably 20 to 100%, and particularly preferably 40 to 100%, as verified by mass balance analysis, e.g., using ISCC.

[0032] The invention further relates to an object with at least one opening, in particular furniture, shelves, baskets, containers, buildings, walls, vehicles, cabinet furniture and windows, with at least one closing arrangement according to the preceding descriptions.

[0033] Alternatively, the locking mechanism can be manufactured using an additive manufacturing process, e.g., a 3D printing process. Advantageously, machine-readable, three-dimensional models can be used for manufacturing the locking mechanism. The invention also includes a method for generating a machine-readable, three-dimensional model for use in a manufacturing process for a locking mechanism.

[0034] This process includes, in particular, the input of data representing a closure assembly into a data processing machine and the use of this data to represent a closure assembly as a three-dimensional model, whereby the three-dimensional model is suitable for use in the manufacture of a closure assembly. The closure assembly can be manufactured wholly or partially using a line-by-line or layer-by-layer manufacturing process. The use of a 3D dataset during the assembly or manufacturing process is highly advantageous.The process also includes a technique in which the input data from one or more 3D scanners, operating either on contact or non-contact, is used. In the latter case, energy is delivered to a closure assembly and the reflected energy is received. A virtual three-dimensional model of the closure assembly is then generated using computer-aided design software. The manufacturing process can include an additive manufacturing process, in particular selective laser melting (SLM), selective laser sintering (SLS), selective heat sintering (SHS), selective electron beam melting (EBM / EBAM), or binder jetting.The manufacturing process may include an additive manufacturing process, in particular welding, wax deposition modeling (WDM), contour crafting, metal powder deposition (MPA), plastic powder deposition, cold gas spraying, electron beam welding (EBW), or fused deposition modeling (FDM) or fused filament fabrication (FFF). The manufacturing process may also include an additive liquid material process, in particular stereolithography (SLA), digital light processing (DLP), multi-jet modeling (MJM), polyjet modeling, or liquid composite molding (LCM). Furthermore, the manufacturing process may include other additive layer-by-layer processes, in particular laminated object modeling (LOM), 3D screen printing, or light-controlled electrophoretic deposition.

[0035] The invention will now be described in more detail using the following non-limiting embodiments.

[0036] They show: Fig. 1: Perspective view of a locking mechanism in the closed position (GP) on an object, in particular cabinet furniture Fig. 2: Further perspective view of a locking mechanism in the open position (OP) on an object, in particular cabinet furniture, Fig. 3: Rear view of a locking mechanism, Fig. 4: Perspective partial section view of a locking mechanism, Fig. 5: Perspective view of a connecting device, Fig. 6: Perspective view of a connecting element.

[0037] In the Fig. Figure 1 shows a perspective view of a locking mechanism in the closed position (GP) on an object, in particular cabinet furniture 1.

[0038] In this embodiment, the closure arrangement for openings, in particular of furniture, shelves, baskets, containers, buildings, walls, vehicles, is arranged, in particular on a cabinet 1.

[0039] The locking arrangement comprises at least one locking device 2, in particular a blind, roller shutter, or the like, which in this embodiment is arranged in a closed position (GP) in the area of ​​a concealed opening. Furthermore, in this embodiment, the cabinet 1 has a body 16 on which the locking device 2 is arranged.

[0040] The closure arrangement, with at least one closure device 2, has lamellar elements 20 which are arranged parallel to each other and cover the non-visible opening of the cabinet furniture 1.

[0041] Furthermore, the locking arrangement with a locking device 2 is designed such that it is horizontally movable. The louver elements 20 are arranged via a handle element 18 and can be moved from right to left, i.e., from the closed position (GP) shown to an open position (OP), or from left (OP) to right (GP).

[0042] In the Fig. 2 further perspective representations of a locking arrangement in the open position (OP) on an object, in particular cabinet furniture 1 shown.

[0043] The closure arrangement for openings 3, in particular of furniture, shelves, boxes, containers, buildings, walls, vehicles, in particular cabinet furniture 1, with at least one closure device 2, in particular blinds, roller shutters and the like, which is arranged in the area of ​​an opening 10 to be movable from a closed position (GP) to an open position (OP) and back, which is operatively connected to at least one guide device 5 arranged on the opening 10, which has slat elements 20, wherein the slat elements 20 each have at least one connecting device 4, 4' on their end faces, wherein the connecting device 4, 4' has at least one receiving element 6, 7 with at least one first opening 41 and at least one second opening 42, is characterized in that at least two connecting devices 4, 4' arranged side by side in the closure device 2 are connected via at least one,Separate connecting elements 5 are arranged in the first opening 41 of the first connecting device 4 and the second opening 42 of the second connecting device 4'.

[0044] The cabinet furniture 1 comprises a furniture body 16 having an opening 10 and a locking device 2.

[0045] In this embodiment, the furniture carcass 16 is designed to have a side wall 11 and an opposing side wall 12, as well as a base 13 and an opposing top panel 14. A rear panel 15 is arranged on the side of the furniture carcass 16 opposite the opening 10 of the cabinet 1.

[0046] The closure element 2, in particular blinds, roller shutters and the like, has slats 20 arranged parallel to each other and is guided in a guide device 3 arranged at the opening 10 of the furniture body 16.

[0047] In this embodiment, the lamellae 20 of the closure device 2 are designed such that they each have a connecting device on their end faces, which is not visible here.

[0048] In this embodiment, the locking arrangement according to the invention has a handle element 18 at one free end, with which the locking device 2 can be moved back and forth in the guide device 3.

[0049] In this embodiment, the cabinet furniture 1 is further designed such that it has a cover element 17 on the top surface 14 and on each side wall 11, 12.

[0050] The locking device 2 of the locking arrangement is designed in such a way that, when used as intended, it can be moved in a vertical movement over the handle element 18 from bottom to top, i.e. from the closed position (GP) to an open position (OP) or from top (OP) to bottom (GP).

[0051] In the Fig. 3 View of a locking mechanism shown from the rear.

[0052] The closure arrangement for openings 3, in particular of furniture, shelves, boxes, containers, buildings, walls, vehicles, in particular cabinet furniture 1, with at least one closure device 2, in particular blinds, roller shutters and the like, which is arranged in the area of ​​an opening 10 to be movable from a closed position (GP) to an open position (OP) and back, which is operatively connected to at least one guide device 5 arranged on the opening 10, which has slat elements 20, wherein the slat elements 20 each have at least one connecting device 4, 4' on their end faces, wherein the connecting device 4, 4' has at least one receiving element 6, 7 with at least one first opening 41 and at least one second opening 42, is characterized in that at least two connecting devices 4, 4' arranged side by side in the closure device 2 are connected via at least one,Separate connecting elements 5 are arranged in the first opening 41 of the first connecting device 4 and the second opening 42 of the second connecting device 4'.

[0053] In this embodiment, the closure arrangement is designed such that it consists of a total of four lamellar elements 20, which are arranged next to each other.

[0054] The lamellar elements 20 have a first connecting device 4 at one free end and a second connecting device 4' at their other, oppositely arranged free end.

[0055] Furthermore, the closure arrangement in this embodiment is designed such that the lamellar elements 20 have additional, first connecting devices 4, which are arranged centrally and equidistant to the respective first connecting devices 4 and to the second connecting devices 4'.

[0056] The locking arrangement is further designed such that the connecting element 5 is arranged in a force-locking and / or form-locking manner in the opening of the receiving elements 6,7 of the connecting device 4,4'.

[0057] Furthermore, the locking arrangement is designed such that the connecting element 5 connects the opposing (non-visible) openings of the receiving elements 6,7 of the connecting device 4,4' in a force-locking and / or form-locking manner in a rotatable manner.

[0058] In the Fig. Figure 4 shows a perspective partial section view of a closure arrangement.

[0059] The closure arrangement for openings 3, in particular of furniture, shelves, boxes, containers, buildings, walls, vehicles, in particular cabinet furniture 1, with at least one closure device 2, in particular blinds, roller shutters and the like, which is arranged in the area of ​​an opening 10 to be movable from a closed position (GP) to an open position (OP) and back, which is operatively connected to at least one guide device 5 arranged on the opening 10, which has slat elements 20, wherein the slat elements 20 each have at least one connecting device 4, 4' on their end faces, wherein the connecting device 4, 4' has at least one receiving element 6, 7 with at least one first opening 41 and at least one second opening 42, is characterized in that at least two connecting devices 4, 4' arranged side by side in the closure device 2 are connected via at least one,Separate connecting elements 5 are arranged in the first opening 41 of the first connecting device 4 and the second opening 42 of the second connecting device 4'.

[0060] In this embodiment, the closure arrangement is designed to consist of a total of 3 lamellar elements 20.

[0061] The lamellar elements 20 have a first connecting device 4 at one free end and a second connecting device 4' at their other, oppositely arranged, free end.

[0062] Furthermore, the locking arrangement is designed such that the connecting element 5 connects the opposing openings 41, 42 of the receiving elements 6,7 of the connecting device 4,4' in a force-locking and / or form-locking manner in a rotatable manner.

[0063] The locking arrangement is designed such that the connecting element 5 has at least one locking element 52, as shown in the sectional view BB.

[0064] Furthermore, the locking arrangement is designed such that the locking element 52 of the connecting element 5 engages the first opening 41 of at least one first receiving element 6 of the connecting device 4,4' in a locking manner, as is also shown in the sectional view BB.

[0065] The locking arrangement is also designed such that the connecting element 5 has at least one base 50 and a guide element 51 projecting away from it.

[0066] Furthermore, the locking arrangement is designed such that the connecting element 5 has at least two locking elements 52 spaced apart from each other by at least one opening 54.

[0067] In the Fig. Figure 5 shows a perspective view of a connecting device 4,4'.

[0068] The connecting devices 4,4' are designed as mirror images, symmetrically to each other and each has the same features.

[0069] The figure above shows a first connecting device 4. The figure below shows a second connecting device 4'.

[0070] The individual features of the connecting device 4,4' each have the same, identical reference numerals.

[0071] These will now be described in detail using the first connecting device 4 as an example.

[0072] The connecting device 4,4' has at least one base 40. Furthermore, the connecting device 4,4' has at least one receiving element 46 arranged on the base 40.

[0073] The connecting device 4,4' each has receiving elements 6,7 at its free ends.

[0074] The receiving elements 6,7 of the connecting device 4,4' each have a first opening 41 and a second opening 42.

[0075] The connecting device 4,4' is further designed such that the receiving elements 6,7 of the connecting device 4,4' are connected to each other via at least one stiffening element 8,9.

[0076] In this embodiment, the first stiffening element 8 is arranged on the second receiving element 7 of the connecting device 4,4'.

[0077] A second stiffening element 9 is arranged on the first receiving element 6 of the connecting device 4,4'.

[0078] In this embodiment, the first stiffening element 8 is connected to the second stiffening element 9 of the connecting device 4,4'.

[0079] The connecting device 4,4's is further designed such that it has a receiving element 46 which has a cross-section approximately U-shaped.

[0080] Furthermore, the connecting device 4,4' is designed such that it has an opening 47 which in this embodiment is arranged on receiving element 46.

[0081] The stiffening device 4,4' is further configured such that an insertion element 43 is formed on the second stiffening element 9. In this embodiment, the insertion element 43 is bent, approximately quarter-circle in shape.

[0082] The connecting device 4,4' in this embodiment is made from a blend of styrene acrylonitrile (SAN) / polycarbonate (PC) and has a filler content of 10 wt.%, in this embodiment glass fibers.

[0083] However, it is also within the scope of the invention that the connecting device 4, 4' can be manufactured from another polymeric, thermoset, metallic or ceramic material.

[0084] In the Fig. Figure 6 shows a perspective view of a connecting element 5.

[0085] The connecting element 5 has at least one base 50 and a guide element 51 projecting away from it.

[0086] Furthermore, the connecting element 5 is designed such that it has at least one locking element 52.

[0087] In this embodiment, the connecting element 5 is designed such that the free end of the guide element 51 opposite the base 50 has two locking elements 52.

[0088] In this embodiment, the connecting element 5 is further designed such that it has at least two locking elements 52 arranged apart from each other via at least one opening 54.

[0089] The connecting element 5 is further configured to have a cavity 53. In this embodiment, the connecting element 5 is configured such that the cavity is located in the base 50. However, it is also within the scope of the invention for the connecting element 5 to be configured such that the cavity 53 is located in both the base 50 and the guide element 51.

[0090] In this embodiment, the connecting element 5 is made of a polyamide (PA). However, it is also within the scope of the invention that the connecting element 5 can be made of another polymeric, thermoset, metallic or ceramic material. QUOTES INCLUDED IN THE DESCRIPTION

[0000] This list of documents cited by the applicant was automatically generated and is included solely for the reader's convenience. The list is not part of the German patent or utility model application. The DPMA accepts no liability for any errors or omissions. Cited patent literature

[0000] DE 102017000214 A1

[0003]

Claims

[1] A closure arrangement for openings (10), in particular of furniture, shelves, boxes, containers, buildings, walls, cabinet furniture (1) and the like, with at least one closure device (2), in particular a blind, roller shutter and the like, which is arranged in the area of ​​at least one opening (10) to be movable from a closed position (GP) to an open position (OP) and back, which is operatively connected to at least one guide device (5) arranged on the opening (10), which has slat elements (20), wherein the slat elements (20) each have at least one connecting device (4, 4') on their end faces, wherein the connecting device (4, 4') has at least one receiving element (6, 7) with at least one first opening (41) and at least one second opening (42), characterized by, that at least two connecting devices (4,4') arranged side by side in the locking device (2) are connected to each other via at least one separate connecting element (5) arranged in the first opening (41) of the first connecting device (4) and the second opening (42) of the second connecting device (4'). [2] Locking arrangement according to claim 1, characterized by , that the connecting element (5) is arranged in a force-fit and / or form-fit manner in the opening (41,42) of the receiving elements (6,7) of the connecting device (4,4'). [3] Locking arrangement according to one of the preceding claims, characterized by , that the connecting element (5) connects the opposing openings (41,42) of the receiving elements (6,7) of the connecting device (4,4') in a force-fit and / or form-fit manner so as to allow rotation. [4] Locking arrangement according to one of the preceding claims, characterized by, that the connecting element (5) has at least one locking element (52). [5] Locking arrangement according to one of the preceding claims, characterized by , that the locking element (52) of the connecting element (5) engages the first opening (41) of at least one first receiving element (6) of the connecting device (4,4') in a locking manner. [6] Locking arrangement according to one of the preceding claims, characterized by , that the connecting element (5) has at least one base (50) and a guide element (51) projecting away from it. [7] Locking arrangement according to one of the preceding claims, characterized by that the connecting element (5) has at least two locking elements (52) arranged apart from each other via at least one opening (54). [8] Locking arrangement according to one of the preceding claims, characterized by, that the connecting device (4,4') has a base (40) and at least one receiving element (46) arranged on it. [9] Locking arrangement according to any one of the preceding claims, characterized by , that the receiving elements (6,7) of the connecting device (4,4') are connected to each other via at least one stiffening element (8,9). [10] Locking arrangement according to any one of the preceding claims, characterized by , that the connecting device (4,4') and / or the connecting element (5) is made at least partially of a polymeric and / or thermosetting and / or metallic and / or ceramic material. [11] Object with at least one opening (10) in particular furniture, shelves, baskets, containers, buildings, walls, vehicles, cabinet furniture (1) and windows with at least one closure arrangement according to one of the preceding claims.