FLAT WOOD CONSTRUCTION WITH A RIDGE STRIP DEVICE

Description

[0001] The present invention relates to a ridge strip device comprising two ridge strip halves arranged in a ridge groove. Furthermore, the invention relates to a flat wooden structure with this ridge strip device.

[0002] Flat wooden structures, such as tabletops, shelves, and furniture fronts, as well as wall or ceiling elements, are subject to deformation due to temperature or humidity. This means warping or warping occurs. To counteract these undesirable effects, chamfering strips are used, primarily perpendicular to the direction of the wood fibers. These are inserted into a dovetail-shaped chamfer groove on the invisible side of the flat wooden structure, such as the underside of a tabletop. A dovetail-shaped chamfer groove has inclined chamfer groove walls, i.e., aligned diagonally to the surface of the wooden structure, such that the chamfer groove widens from the groove opening to the chamfer groove bottom.

[0003] Two-part hip strips are also known, with two symmetrical hip strip halves that are spread apart like a wedge by a third component. This third component can also be just a screw driven between the two hip strip halves. The disadvantage of such multi-part hip strip systems arranged in a dovetail-shaped groove is that, while they counteract warping or distortion, they also develop considerable forces towards the hip groove walls and thus the flat wooden structure, which in turn lead to undesirable tensions in this flat wooden structure. This also creates pressure that drives the hip strip system towards the hip groove opening. Although an expandable connecting element is known from WO 95 / 25898, this is unsuitable for use as a hip retaining strip.

[0004] On the basis of these findings, the invention sets itself the task of to create a flat wooden construction with a A ridge strip device comprising two ridge strip halves to be arranged in a ridge groove, which on the one hand has the advantages of a multi-part ridge strip without the associated disadvantages and which is easy to assemble.

[0005] The inventive, a flat wooden construction with a ridge strip device, corresponds to the characterizing features of patent claim 1. Further advantageous developments of the inventive concept are evident from the dependent patent claims.

[0006] The inventive, one Ridge strip device having a flat wooden construction, does not lead to any undesirable tensions in the flat wooden construction. The ridge strip device It is very easy to install and is not visually disruptive, as its visible parts on the surface of the wooden structure create a clean surface without any visible mounting hardware, such as screws or the like. If necessary, the central locking element can be recessed or raised relative to the surface of the wooden structure or relative to the visible, outer end surfaces of the side parts, creating a groove or ridge that is visually recessed from the other surfaces. This means that this ridge strip could also be installed on the visible side of wall or ceiling elements and the like, and could possibly even conceal their attachment to the substructure of the wall or ceiling.

[0007] Preferred embodiments of the invention are described in more detail below with reference to the drawing. Fig. 1 shows a cross-sectional view of an example of a ridge strip device arranged in a flat wooden structure; Fig. 2 shows a view of the same ridge strip device.

[0008] In a planar wooden construction 1, according to Fig. 1 a ridge groove 2 is formed. The ridge strip device 3 is to be arranged in this groove. This ridge strip device 3 is made up of several parts, comprising a first ridge strip half 4 and a second ridge strip half 5. A locking element 6 is to be inserted between these two ridge strip halves 4 and 5. The two ridge strip halves 4 and 5 can be made of metal, for example, stainless steel.

[0009] In the preferred embodiment of the present example, the locking element 6 is made of an elastic or rubber-elastic material, for example, plastic, such as polyurethane or the like. However, a multi-part locking element 6 consisting of parts of varying elasticity or of elastic and non-elastic parts is also possible. The latter can also be realized, for example, as a single piece by coextrusion of plastics with different properties.

[0010] The opposite sides 7 and 8 of these two hip strip halves 4 and 5 are stepped, i.e., they have double bends 9 and 10. In this embodiment, the two hip strip halves 4 and 5 are to be aligned such that the area projecting towards the hip groove base 11 is wider in cross-section than the area extending towards the hip groove opening 12. The outer walls 13 and 14 formed in this way run approximately parallel to one another. The shoulders 15 and 16 formed by the double bends 9 and 10 not only hold the two hip strip halves 4 and 5 in the hip groove 2, but also absorb the forces driving towards the hip groove opening 12. Undesirable stresses on both sides, i.e., in the flat wooden structure 1, are avoided.

[0011] In the present, preferred embodiment, the shoulders 15 and 16 are not rectangular, but each have an incline 17 and 18. The incline 17 and 18 is designed such that the outer end of the two shoulders 15 and 16, which is aligned with sides 7 and 8 of the two ridge strip halves 4 and 5, is closer to the ridge groove bottom 11, while the inner end is closer to the ridge groove opening 12. This means that there is an incline in the direction of the end of the ridge strip halves 4 and 5 that is to be inserted into the ridge groove 2. The said incline 17 and 18 can, for example, be up to 15°. This shape facilitates the insertion of the two ridge strip halves 4 and 5 into the correspondingly shaped ridge groove 2, which has a wider cross-section towards the ridge groove bottom 11.

[0012] The two ridge strip halves 4 and 5 and the locking element 6 are connected to one another by at least one snap-in connection. In the present embodiment, the locking element 6 has at least one snap-in 19 and 20 on each side, i.e., towards the adjacent ridge strip halves 4 and 5. These, together with at least one snap-in lug 21 and 22 on each of the ridge strip halves 4 and 5, form the said snap-in connection. It goes without saying that this snap-in connection could also be reversed, i.e., the snap-in locations on the locking element 6 and the snap-in lugs on the ridge strip halves 4 and 5. There could also be a plurality of snap-in connections. In order to be able to compress the locking element during insertion, at least one gap 23 can be provided in it from the end to be inserted.

[0013] According to the opinion Fig. 2the locking element 6 can be designed to be split in terms of its length, i.e. as viewed along its longitudinal axis 24. In the present exemplary embodiment, the locking element 6 is split in two. Theoretically, this could also be the case for the ridge strip halves 4 and 5. The two ends of the locking element 6, as viewed along the longitudinal axis 24, can be rounded and engage around the respective end edges 25 of the ridge strip halves 4 and 5, so that a protective cap 26 and 27 is formed in each area. It should be noted here that these protective caps 26 and 27 could also be designed as separate components from the locking element 6 and do not necessarily have to have an end surface that is semicircular in cross-section. In any case, this not only results in a cleaner finish, but can also protect against injuries, for example when reaching under a table or a shelf.In addition, the two protective caps 26 and 27, since they consist of an elastic or rubber-elastic material, allow movements of the flat wooden construction 1 in the direction of the longitudinal axis 24 relative to the end edges 25 of the ridge strip halves 4 and 5, which consist of a rigid material, for example metal or stainless steel.

[0014] The relatively simple installation of the ridge strip is carried out as follows: First, mill the ridge groove 2. Second, insert the ridge strip halves 4 and 5. Third, insert the locking element 6.

[0015] The illustrated embodiment offers an optimal and very easy-to-use solution. However, it is naturally within the scope of the invention according to Patent claim 1The ridge strip and its components can also be designed differently than shown. Theoretically, ridge strip halves 4 and 5 with multiple stepped configurations would also be conceivable. The ridge groove 2 would then also have to have a corresponding geometry. Last but not least, the geometry of the ridge groove 2 could also be designed differently with respect to the ridge groove base 11, for example, by having the ridge groove 2 extend deeper into the flat wooden structure 1 than the ridge strip halves 4 and 5, or by having the ridge strip halves 4 and 5 extend deeper in the area of ​​these ridge strip halves than in the area of ​​the locking element 6. List of reference symbols:

[0016] 1Flat wooden construction 2Ridge groove 3Ridge strip device 4First ridge strip half 5Second ridge strip half 6Locking element 7Side of the first ridge strip half 4 8Side of the second ridge strip half 5 9Angled section of the first ridge strip half 4 10Angled section of the second ridge strip half 5 11Ridge groove base 12Ridge groove opening 13Outer wall of the first ridge strip half 4 14Outer wall of the second ridge strip half 5 15Ridge strip shoulder 4 16Ridge strip shoulder 5 17Incline of the shoulder of the first ridge strip half 4 18Incline of the shoulder of the second ridge strip half 5 19Locking point of the first ridge strip half 4 20Locking point of the second ridge strip half 5 21First locking lug of the locking element 6 22Second locking lug of the locking element 6 23Gap of the locking element 6 24Longitudinal axis of the locking element 6 25End edges of the ridge strip halves 4 and 5 26First protective cap of the locking element 6 27Second protective cap of the locking element 6

Claims

1. Flat wooden construction (1) with a burr strip device (3), which has two separate burr strip halves (4, 5), wherein a burr strip groove (2), which is designed to be stepped in such a way that at least one area is formed which is broader in cross section than an area lying in the direction toward a burr strip groove opening (12), is introduced into a surface of this flat wooden construction (1), wherein the sides of these two burr strip halves (4, 5) facing away from one another in this burr strip groove (2) are likewise designed as stepped (15, 16) by at least two angled portions (9, 10), wherein at least one area is formed which is broader in cross section than an area facing toward a burr strip groove opening (12), and wherein a locking element (6), which consists at least partially of an elastic material, is present between the two burr strip halves (4, 5), and wherein a respective shoulder (15, 16) is formed by the respective angled portions (9, 10) of the two burr strip halves (4, 5), and outer walls (13, 14) of the two burr strip halves (4, 5) lying upstream and / or downstream of the shoulders (15, 16) run substantially parallel to one another, and wherein the two burr strip halves (4, 5) and the locking element (6) are connected to one another by at least one latching connection, wherein the latching connection has a detent (19, 20), and a detent lug (21, 22) is present for each detent (19, 20).

2. Flat wooden construction (1) according to claim 1, characterized in that the at least one locking element (6) of the burr strip device (3) consists at least partially of a rubber elastic material.

3. Flat wooden construction (1) according to claim 2, characterized in that the at least one locking element (6) of the burr strip device (3) consists at least partially of a plastic, for example, polyurethane.

4. Flat wooden construction (1) according to one of claims 1 - 3, characterized in that the two said shoulders (15, 16) of the burr strip device (3) respectively have an inclination (17, 18), wherein a respective slope results in the direction of the end of the burr strip halves (4, 5) to be inserted into the burr strip groove (2) with the purpose of facilitating their insertion into the correspondingly shaped burr strip groove (2).

5. Flat wooden construction (1) according to claim 4, characterized in that said respective inclination (17, 18) mounts to up to 15°.

6. Flat wooden construction (1) according to one of claims 1 - 5, characterized in that, in at least one locking element (6) of the burr strip device (3), at least one gap (23) is present starting at an end to be inserted into the burr strip groove (2), with the purpose that the at least one locking element (6) can compress together during the insertion.

7. Flat wooden construction (1) according to one of claims 1 - 6, characterized in that the respective end edges (25) of the burr strip halves (4, 5) of the burr strip device (3) are covered by at least one protective cap (26, 27), when viewed in a longitudinal axis (24).

8. Flat wooden construction (1) according to claim 7, characterized in that, when viewed in a longitudinal axis (24), the ends of the locking element (6) are broadened in such a way that they surround the respective end edges (25) of the burr strip halves (4, 5), such that a respective protective cap (26, 27) is formed in this area.