DE102009034902A1 - Surface made of mechanically interconnectable panels - Google Patents

Surface made of mechanically interconnectable panels

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Publication number
DE102009034902A1
DE102009034902A1 DE102009034902A DE102009034902A DE102009034902A1 DE 102009034902 A1 DE102009034902 A1 DE 102009034902A1 DE 102009034902 A DE102009034902 A DE 102009034902A DE 102009034902 A DE102009034902 A DE 102009034902A DE 102009034902 A1 DE102009034902 A1 DE 102009034902A1
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Germany
Prior art keywords
groove
spring
characterized
panels
panel
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Granted
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DE102009034902A
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German (de)
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DE102009034902B4 (en
Inventor
Franz Eschlbeck
Guido Schulte
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Guido Schulte
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Application filed by Guido Schulte filed Critical Guido Schulte
Priority to DE102009034902.2A priority Critical patent/DE102009034902B4/en
Publication of DE102009034902A1 publication Critical patent/DE102009034902A1/en
Application granted granted Critical
Publication of DE102009034902B4 publication Critical patent/DE102009034902B4/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/01Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0138Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/05Separate connectors or inserts, e.g. pegs, pins, keys or strips
    • E04F2201/0523Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape

Abstract

Covering of mechanically interconnectable panels, having the following features: Adjacent first and second panels (1, 2) have at their mutually complementary sides (5, 21) each have a groove (6, 14), the grooves (6, 14) each upper and lower groove cheeks (7, 8, 27, 26) of different lengths, in one of the grooves (6, 14) is a spring (9, 9a, 9b, 9c) which is relatively displaceable relative to the panel (1, 2) at least in part , 9d), which is adapted, when connecting the adjacent panels (1, 2), to engage in the corresponding groove (6, 14) of the adjacent panel (1, 2), the spring (9, 9a, 9b, 9c, 9d ) has at least one projection (16, 33, 42, 43), which in the direction of the opposite of the shorter groove cheeks (8, 26) projecting portion of the longer groove cheeks (7, 17) of the other groove (6, 14), the projection (16, 33, 42, 43) is intended to be displaced transversely to the laying plane of the panels (1, 2) on contact with this area of the groove cheek (7, 17) in which the projection (16, 33, 42, 43) is operatively associated with a locking portion (13, 29, 32, 35, 41, 47) of the spring (9, 9a, 9b, 9c, 9d) by the movement of the projection (16, 33, 42, 43), in the direction of the groove (6, 14) of the adjacent panel (1, 2) is displaceable.

Description

  • The The invention relates to a covering of mechanically interconnectable Panels.
  • Wall-, Ceilings and floor coverings, such as prefinished parquet, Real wood floors or laminate floors from several rows of predominantly rectangular in their configuration Panels. Conventionally, the panels have one longitudinal side and on one side of the head through grooves and on the opposite side Longitudinal side or head side continuous springs, to the Grooves are adapted form fit. Through the connection of tongue and groove the panels are laid, the panels second adjacent rows offset from each other.
  • It is known on the grooves and springs mechanical locking means form, which in adjacent in a floor covering Panels get into latching engagement with each other. This is intended a joint formation in the laid floor covering by stretching or shrinking operations are avoided. To the groove and spring of the panels are matched locking elements in the form of depressions, recesses or protrusions trained to be connected floor panels in the assembled position to hold it without glue. In general, the panels along their Long sides turned into each other or clicked and then moved laterally so that locking strips on the head sides engage. To facilitate this, you can choose from the opposite head side slight hammer blows be applied with the aid of a block impact. in this connection There is a risk that it even with the most careful work damage to the floor panels can occur.
  • There are also solutions in which the abutting head sides are joined together by a spring which can be displaced in its longitudinal direction. This eliminates the manual hammering by means of a hammer. The springs are pre-assembled, eliminating the need for subsequent insertion. Such a floor covering is the subject of WO 2008/017301 , In this case, a projecting end of a spring is displaced into a head-side groove in order to partially displace the spring from one groove into the corresponding groove of the adjacent panel. In this way, the panels are locked together.
  • In order to the displaceability of the spring at all possible is, it must be kept with a certain amount of play and in the appropriate exactly aligned opposite groove of the complementary Panels are used. This game is preferably as possible low so it is in the area of the butt joint of two panels does not come to a height offset. Due to the principle can However, a certain game can not be avoided.
  • Of the Invention is based on the object, a coating of mechanical interconnectable panels, in particular a floor covering show, in which the height offset in the Butt joint is minimal.
  • These Task is with a covering with the features of the claim 1 solved.
  • The Subclaims relate to advantageous developments of Invention.
  • The Panels of the flooring of the invention are for provided and suitable with other similar panels to be mechanically connected. The connection is via arranged on the complementary sides of the panels connecting elements in the form of tongue and groove joints. The neighboring panels each have at their mutually complementary sides a horizontal groove on. In one of the grooves is opposite the panel arranged at least in part relatively displaceable spring. The spring engages in connecting the adjacent panels in one Groove of the adjacent panel, thus blocking the adjacent ones Panels against a vertical displacement against each other. The spring has a holding portion, which in the groove of the Spring-holding panel is arranged.
  • The Spring has at least one projection. The lead jumps transverse to the laying level, d. H. towards the top or to Underside of the panels. A projection is given when the projecting area of the spring is wider than that in the area the projection transversely to the laying plane measured groove width in the Lock position. The projection therefore jumps in particular opposite to the groove width matched to the holding section the spring in front.
  • to Orientation of the grooves and thus also the springs arranged there it is noted that the grooves are preferably horizontal, d. H. in laying level, are oriented. But it is also possible, the grooves and so that the springs are inclined, d. H. at an acute angle, to the laying level provided.
  • The grooves each have different long upper and lower groove cheeks, so that opposite to the shorter groove cheeks protruding portions of the longer groove cheeks in parallel spaced from each other. These projecting portions of the groove cheeks serve as support surfaces for the projection. The projection is namely intended to be in contact with this projecting portion of the groove cheek transverse to the laying plane, that is to be displaced usually perpendicular to the laying plane of the panels. In other words, the projection or the projecting portion of the spring is not only pushed back in the vertical direction and reduced to the width of the groove between the opposite projecting portions of the longer groove cheeks, but at the same time even in the laying plane, ie horizontally displaced. The horizontal displacement results from the fact that the projection is an integral part of the spring, which is already supported with its one end in the groove, but is configured so that the other end of the spring is displaced in the direction of the laying plane. The projection is thus in operative connection with a locking portion of the spring, which is displaceable by the movement of the projection in the direction of the groove of the adjacent panel.
  • When Nut within the meaning of the invention is not just the area to understand which is between the directly opposite groove cheeks extends. It also includes the area the opposite of the long groove cheek, as this room also is claimed by the spring. The groove cheeks, in particular the longer groove cheeks, in their over the groove depth considered vary distance. Especially the over the shorter groove cheeks projecting areas of the longer ones Grooved cheeks can be shorter than the shorter ones Grooved cheeks offset or offset so that the distance enlarged to the opposite groove cheek. Yet also include the remote areas to the groove.
  • Of the Holding section can be connected via a connecting section be connected to the locking portion. Here is the connection section depending on the installation position, preferably via a at its top or hinged joint to the underside of the panel connected to the holding section. The locking section is over a arranged on its diagonally opposite edge Joint coupled to the connecting portion. The position This joint determines the location of the furthest projecting point of the projection.
  • The Spring is before connecting two panels in a starting position at least partially folded, wherein holding section, connecting portion and locking portion around the joints against each other in vertical Direction are pivoted out of the plane of the holding portion. To enable such a folding are to each other facing side surfaces of holding section, connecting portion and locking portion each complementary to the top and bevelled underside of the panels.
  • At the Connecting two adjacent panels, the projection is through the Moving the longer groove cheeks of the panels shifted. Depending on the installation position, the projection can point up or down. Preferably, the projection is made by contact with a lower Grooved cheek of the locking portion receiving groove of the first Relocated panels. The vertical movement results in a horizontal Movement in which the projection on the lower groove cheek the slides along the locking portion receiving groove along. The conditionally pivoting the connecting portion around both joints in the horizontal plane of the holding section. Likewise, the locking portion around the hinge of the projection in the horizontal plane of the holding section pivoted. The spring is stretched out of its folded state as soon as the longer groove flanks as far as possible have approximated. That is the case when the height offset between adjacent panels is minimal. The locking section becomes due to the stretching movement of the spring in the groove of the first panel pressed. To thread the connection section can facilitate in the groove, a groove facing end face the connecting section beveled or rounded.
  • To the displacement of the locking portion of the spring in the groove of the adjacent panel is the hinge between locking portion and connecting portion at the level of the lower groove cheek the groove receiving the locking portion. Holding section, Connecting portion and locking portion are after connecting two adjacent panels preferably aligned horizontally. Since the lower groove cheek of the tongue holding the spring only over one Width of the holding portion extends, which lie to the bottom the panels facing surfaces of connecting section and Locking portion on a lower groove cheek of the locking portion the spring receiving groove.
  • Next In the embodiment described above, it is natural also conceivable to connect individual sections of the spring in the middle. In this case, the edges facing the underside of the panels form of connecting portion and locking portion of the projection. Likewise, the spring next to the holding portion, the connecting portion and the locking portion have further portions.
  • Furthermore, embodiments of springs are conceivable in which a projection is coupled to a specific mechanism. This mechanism causes a locking portion of the spring is pressed in the horizontal direction in the groove of the adjacent panel. The mechanism is triggered as soon as the projection with a corresponding groove cheek comes into contact and is displaced in the direction of the other groove flank.
  • The Concrete design of the spring also depends on the installation method from. especially if a panel is not in a parallel, linear Movement is to be stored, but by a pivoting movement to be angled, so to speak. Approach during the pivoting movement the protruding areas of the longer groove flanks over the length of the groove is considered at a given time different far. Example: In a 45 ° position the groove flanks are at one end of the groove almost in the Endposition, while the groove flanks at the other end a Have a distance of several centimeters. Especially in this case it is convenient, either several at a distance to provide mutually arranged springs, which in their kinematics do not hinder. But it is also possible to provide a spring, which by transverse to the groove slots in independently is divided from each other operable spring segments.
  • Preferably have the spring segments on a common holding section. These Configuration can be called comb-like. This embodiment proves to be particularly advantageous if the second panel, starting at one end of the groove, in the longitudinal direction of Groove is lowered, so that the spring sections in succession engage in the groove of the first panel. Independent of each other actuatable spring segments can also be used at each another type of installation are used, d. H. even if the Panels are not pivoted to each other, but in a parallel movement be filed.
  • Of the Locking section may be at its upper and / or lower Nutwange facing side surface have a profiling. The connecting portion may as well as the locking portion have a profiling on one or both side surfaces. This profiling can be wavy, for example, have individual teeth or a sawtooth profile.
  • The Grooved cheeks of the panels can be complementary to profiling Have profiling. It is also possible at one or to provide latching elements on both side surfaces of the locking section, which when inserting the locking portion in the groove of the adjacent panels in corresponding recesses of the upper or lower Engage groove cheek.
  • Important is that the locking section which is the shorter Groove cheek adjoining gap to the adjacent longer Grooved cheek of the other groove bridged by the height offset to minimize in the area of the butt joint of the panels. The locking section must therefore partly from the groove receiving it, that is about protrude the shorter groove cheek this groove.
  • in principle The spring can extend over the entire length of the Extending groove. In addition, in the longitudinal direction the groove may be provided at a distance from each other a plurality of springs. These can be operated independently Have locking portions. Thus, panels can also be longitudinally arrange the groove offset from each other. It is conceivable that To connect holding portions in the region of the groove with each other, wherein the Connection used simultaneously as a spacer between the springs can be.
  • At one of the panels, a locking bar is provided, the serves the adjacent panels against tensile load in a laying plane to back up. The locking bar thus serves to couple the panels in the laying plane, while the springs should prevent that the panels shift relative to each other in the vertical direction. Because the locking bar, which under the adjacent panel engages, at a relatively large distance to the top of the panels is arranged in addition, that of The locking bar under attacked panel primarily supported on a support strip. This is in larger Distance from the locking bar arranged as the groove. With In other words, the groove is located between the support strip and the locking bar. The support bar has the function the distance of the support point from the top of the panels too reduce, which is especially true for very thin-walled and softer materials is beneficial. Because of the proximity the support bar to the top of the panels are punctiform in vertical forces acting near a butt joint, which act on the gripped panel, in a shorter way introduced into the adjacent, underarching panel than this over the deeper located locking bar is possible. On Reason of support in close proximity to Force application point is the height offset between two panels considerably lower in case of load.
  • The Overall, spring can consist of a uniform material. Accordingly thin designed areas can as Serve movie joints. The thicker areas are then used to hold the forces acting transversely to the laying level.
  • The material for the spring may be both a wood material, that is, it may be wood or a material containing wood fibers, or a material that is made of wood as a base material, such as liquid wood. Metal and metal alloys, such as. As spring steel, come for the springs as well as Composites. The use of bimetallic or mixed plastics is just as possible as the use of materials based on thermoplastic or thermosetting plastics. The spring can also consist of a fiber-reinforced plastic. Preferably, the spring is elastic.
  • The Spring can be performed under bias before connecting be. Due to the bias of the locking portion is in the groove pressed the adjacent panel and the connection of two Additionally secured panels.
  • feathers with restoring forces due to elasticity or because, for. B. a spring steel has been used, are suitable the spring after opening the connection again in the Retract starting position or jump back allow.
  • The Joints connecting portions of the spring are preferably made of the same material as the spring. Naturally it is also possible for this another material to choose, for example, a kind of hotmelt. Under hotmelt are melt or hot glue to understand which for example, based on polymers, resins or waxes and after the cooling still have a flexibility. The basic idea is based on a functional separation of elastic and non-elastic Areas. While the articulated areas deformable materials require is a deformation of the locking portion not wished. Therefore, should for the locking section a Material lower elasticity are used than in the region of the joints, or of the connection section.
  • A Special feature are springs, which can assume two states. The spring can have a stable position as well as a metastable position take, from the spring at the termination of the force automatically returns to the stable state. Also, a bistable spring can be provided, which is characterized indicates that there are two stable positions and each change from one position in the other requires a force.
  • The Spring with a metastable position is from the stable position transferred to a metastable position by the process of buckling, wherein the restoring force of the metastable position in the stable position is much lower than vice versa. This cheap Force-displacement characteristic can also be utilized in the present invention become. The bulge is equivalent to a lead on the spring, to be relocated. The lead is shifted so far until the spring suddenly jumps into the metastable position. The is the locking position. By a crackling noise, as is the case with metal springs or at least metal bumps is set, the locking position is also audible. But it also turns a slight jerk when the reaches the locking position is. The haptic information and also an acoustic information The so-called clicker effect is a helpful feedback when Laying and also when picking up the panels. Regarding the materials turns the clicker effect primarily in metallic Materials. But the principle is also fungible with others Materials such. B. plastics feasible.
  • It There is no limitation with regard to the material the panels, provided that this particular by machining can be brought into the necessary form. It can work both panels based on wood-based materials or plastics act as well as mineral materials and composites. Also the size of the panels plays a subordinate Role. The panels can also be large-format, z. B. as device plates of 600 mm × 1500 mm.
  • Of the Inventive concept is applicable in particular to all floor systems, in which an upper covering is arranged on a carrier, such as real wood flooring, laminate, support with painted surfaces as top coat, linoleum, cork on backing plates etc. The cover layer may in particular consist of a Decorative paper with overlay consisting of the appearance of the element plate certainly. A floor covering can thus be a parquet floor, a finished parquet floor, a real wood floor or to trade a laminate floor.
  • at The floor covering can also be a particular Double floor or hollow floor act, which is below of the covering, d. H. below the panels is a cavity, the is used for the cable routing. Especially at These raised floors, it is advantageous if individual panels can be resumed, what with the invention is very well feasible. Because the said springs not only on the head but also be provided on the long sides of a panel, is it possible to use individual panels z. B. by a siphon lift again and then also store again.
  • The The invention will be described below with reference to the schematic drawings illustrated embodiments explained in more detail. Show it:
  • 1a to 1c each in cross section a section of the connecting region of two adjacent panels, in different mounting positions and
  • 2a to 7b and 8th each different embodiments of the spring.
  • The 1a shows a cross section through the connecting region of two panels 1 . 2 , The panels 1 . 2 are configured so that the panels 1 . 2 can be assembled to a floor covering. The panels 1 . 2 have an underside facing the panel background 3 and an upper side facing away from the panel background 4 , The illustration shows a left first panel 1 and on the right a second panel 2 , before connecting both panels 1 . 2 , The second panel 2 points to his, in a laying position to the first panel 1 pointing head side, which in the following with page 5 is designated, extending in a horizontal direction groove 6 on.
  • Here is an upper groove cheek 7 wider than a lower groove cheek 8th , In the groove 6 is a spring 9 arranged.
  • The feather 9 is with her holding section 10 in the groove 6 arranged. The holding section 10 is with its opposite the lower groove cheek 8th protruding, to top 4 of the panel 2 pointing edge with a connecting section 11 coupled. The coupling of holding section 10 and connecting section 11 done by a joint 12 , This joint 12 is executed in this embodiment as a film hinge. It consists of the same material as the spring 9 and can be manufactured with this in one production step. To the connecting section 11 closes a locking section 13 which is intended, with a groove 6 of the second panel 2 complementary groove 14 of the first panel 1 to get in touch. The locking section 13 is with the connection section 11 about a joint 15 , which is also designed here as a film joint connected. The joint 15 is between two to each other and to the bottom 3 the panels 1 . 2 facing edges of the locking portion 11 and the connection section 13 arranged. The connection area between locking section 11 and connecting section 13 forms with the joint 15 one opposite the groove 6 of the second panel 2 towards the bottom 3 the panels 1 . 2 protruding projection 16 , The mutually facing side surfaces of holding section 10 , Connecting section 11 and locking section 13 are designed so that the spring 9 is quasi folded in an initial state by the connecting section 11 opposite the holding section 10 and the locking portion 13 opposite the connecting section 11 from the horizontal plane E of the holding section 10 are pivoted out.
  • The lead 16 comes when connecting the first panel 1 with the second panel 2 with a lower groove cheek 17 the the locking section 13 receiving groove 14 in contact ( 1b ). Upon further relocation of the second panel 2 in the direction of the arrow P becomes the projection 16 through the lower groove cheek 17 towards the top 4 of the panel 2 pressed.
  • This will be connecting section 11 and locking section 13 around the joints 12 . 15 against each other from the folded position into a horizontal plane E of the holding portion 10 pivoted. The locking section 13 protrudes over the length of the upper groove cheek 7 out and reach into the groove 14 of the adjacent first panel 1 one.
  • The first panel 1 engages with a locking strip 18 underneath the second panel 2 , The second panel 2 has for this purpose a downwardly open dome channel 19 and a subsequent, downwardly directed, end Kuppelwulst 20 , The locking bar 18 of the first panel 1 faces one as a page 21 designated head side horizontally in front, so that the dome bulge 20 in the upwardly open dome channel 22 the locking bar 18 attacks. To the dome channel 22 closes at the end of the locking bar 18 an upward dome bulge 23 in the assembly position in the associated dome channel 19 of the second panel 2 intervenes. Through the undercut of Kuppelwülste 20 . 23 are the two panels 1 . 2 in the laying level V, ie in the horizontal direction of the laid floor covering, secured against displacement. Because of the dome bulges 20 . 23 in her contact area 24 abut each other obliquely to the laying plane V, is when swinging down the second panel 2 in the direction of the arrow P on the already laid first panel 1 the second panel 2 with his, to the side 21 of the first panel 1 complementary side 5 against the first panel 1 pulled, so the sides 5 . 21 the panels 1 . 2 abut each other.
  • In addition to the contact between the dome beads 20 . 23 lies the second panel 2 on a support rail 25 above a groove 14 , The support strip 25 is thus located at a smaller distance from the top 4 of the left panel 2 as the locking bar 18 on the panel 2 Usually supported in the vertical direction. Due to the smaller distance of the support strip 25 to the top 4 Tighter tolerances can be maintained, so that with this solution a possible height offset between the panels 1 . 2 can be minimized. The support strip 25 immediately adjacent to the groove 14 so that its lower edge forms part of an upper groove cheek 26 the groove 14 is. The support strip 25 thus extends together with the locking portion 13 the feather 9 receiving groove 14 ,
  • The panels 1 . 2 preferably touch at certain support and breakpoints. The locking bar 18 and the dome bulge 20 In this embodiment, they only touch in the contact region described above 24 , However, the remaining space between the locking bar 18 and the dome bulge 20 so small a gap, that under extreme vertical load also a touch can not be excluded, which is due to the limited elasticity of the materials. Due to the free space also manufacturing tolerances can be compensated.
  • The locking section 13 extends into the in 1c illustrated locking position from the left groove 14 out and thus bridges the gap between the adjacent upper groove cheeks of the left and the right groove 14 . 6 ,
  • For clarity, were for the panels 1 . 2 in the following 2a to 5b the reference numerals of 1a to 1c but that does not exclude that the panels 1 . 2 in the specific embodiments due to the adaptation to the different springs in their design may slightly differ from each other.
  • In addition, the following are the panels 1 . 2 only partially shown. But they all have the in the 1a to 1c described locking bar as well as dome channels and Kuppelwülste on
  • 2a shows a further embodiment of a in a second panel 2 arranged spring 9a , The feather 9a is with a holding section 27 in a groove 6 of the second panel 2 established. The attached to the holding section 27 subsequent connection section 28 is curved in an arc. In this case, the arcuate connecting portion forms 28 a lead 16a which is towards the bottom 3 of the panel 2 and stands towards the bottom 3 opposite the lower groove cheek 8th the spring 9a holding groove 6 protrudes. Located at the connecting section 28 subsequent locking section 29 is approximately transverse to the longitudinal direction of the groove 6 aligned. Of course, spring designs are also possible on which an end section of the connecting section facing the adjacent panel forms the locking section.
  • When connecting two adjacent panels 1 . 2 becomes the curved connection section 28 through a lower groove cheek 17 the groove 14 of the first panel 1 in the direction of the upper groove cheek 7 the groove 6 of the second panel 2 relocated. This will make the curved connection section 28 the feather 9a flattened and the locking section 29 transverse to the longitudinal direction of the groove 6 in the groove 14 of the first panel 1 pushed. The feather 9a is stretched, so to speak. The curved connection section 28 gets between the lower groove cheek 17 the groove 14 of the first panel 1 and the upper groove cheek 8th the groove 6 of the second panel 2 compressed. The feather 9a This makes it longer and due to their elasticity when connecting the adjacent panels 1 . 2 biased. Thus, the spring 9a preloaded and sits non-positively in the opposing grooves 6 . 14 the panels 1 . 2 ( 2 B ).
  • 3a shows a further embodiment of a spring 9b made of an elastic material. The feather 9b is divided into three sections. In each case, between the holding section 30 and the connection section 31 and between the connecting section 31 and the locking portion 32 a lead 33 intended. The projections 33 stand towards the bottom 3 of the panel 2 over the lower groove cheek 8th the groove 6 of the second panel 2 out. Both projections 33 is opposite, so on top of that 4 of the panel 2 pointing side of the spring 9b , a recess 34 arranged. The recess 34 can, as shown here, have a triangular cross-section. Semicircular or rectangular cross sections are also conceivable.
  • When connecting two adjacent panels 1 . 2 presses the lower groove cheek 17 the groove 14 of the first panel 1 the projections 33 towards the upper groove cheek 7 the groove 6 of the second panel 2 , Due to the elastic material used here, the material pushes to the top 4 pressed tabs 33 in the respective opposite recess 34 and the spring 9b expands transversely to the longitudinal direction of the groove 6 out. Due to the expansion reaches the locking section 32 in the groove 14 of the first panel 1 , Since there is a height H of the grooves 6 . 14 of the first panel 1 and second panels 2 after connecting no longer changes, the pressure of the lower groove cheek remains 17 on the projections 33 exist, the spring 9b remains stretched and sits frictionally in the grooves 6 . 14 the panels 1 . 2 ( 3b ).
  • In a further embodiment ( 4a ) are connecting and locking section 35 the feather 9c made in one piece. Here is a in the longitudinal direction of the groove 6 extending free space 36 in the connection and locking section 35 intended. Of course, in alternative embodiments, several open spaces are conceivable. The one with the connection and locking section 35 connected holding section 37 is in the groove 6 of the second panel 2 arranged.
  • At the bottom 3 the panels 1 . 2 wei send side of the spring 9c is in the area of open space 36 a lead 16b located which towards the bottom 3 the panels 1 . 2 over the lower groove cheek 7 the groove 6 of the second panel 2 protrudes. The lead 16b is due to a height H of the groove 6 widened portion of the connecting and locking section 35 educated. The feather 9c is made of an elastic material so that when connecting two panels 1 . 2 the projection through the lower groove cheek 17 the groove 14 of the first panel 1 upwards towards the upper groove cheek 8th the groove 6 of the second panel 2 is pressed. Due to the elasticity of the spring 9c becomes the widened portion of the connecting and locking section 35 in its width to the height H of the groove 6 of the second panel 2 , or the groove 14 of the first panel 1 reduced. The here circular cross section of the free space 36 becomes an ellipse, which is an extension of the locking and connecting portion 35 transverse to the longitudinal direction of the groove 6 entails. By stretching reaches the locking and connecting portion 35 in the groove 14 of the adjacent first panel 1 and is held there non-positively ( 4b ).
  • 5a shows an exemplary and schematic representation of a spring 9d with a locking mechanism. This shows the spring 9d a holding section 38 on, with which they in the groove 6 of the second panel 2 is held. The holding section 38 has a biased spring in the initial position 39 on. The holding section 38 is over a connecting section 40 with the locking portion 41 connected. The connecting section 40 has one opposite the lower groove cheek 8th the groove 6 of the second panel 2 towards the bottom 3 the panels 1 . 2 protruding projection 42 on which he simultaneously with the prestressed spring element 39 of the holding section 38 is held in the starting position.
  • When connecting two panels 1 . 2 becomes the lead 42 through the lower groove cheek 17 the groove 14 of the first panel 1 towards the top 4 of the second panel 2 relocated. Thereby, the holder of the connecting portion 41 released and the spring force F of the spring element 39 acts on the connection section 41 , which in turn on the locking portion 42 works and this in the groove 14 of the first panel 1 in shifts. The transverse to the longitudinal direction of the groove 14 acting spring force F of the spring element 39 causes a non-positive fit of the locking portion 42 in the groove 14 of the first panel 1 ( 5b ).
  • The feather 9e in the embodiment of 6a and 6b shows an alternative embodiment to the spring 9 in the 1a to 1c , Here is one opposite the lower groove cheek 8th the groove 6 of the second panel 2 prominent projection 43 through a first section 44 of the two-part connection section. The first paragraph 44 is each about a joint 45 . 46 with the locking portion 47 and with the second section 48 connected to the connecting portion. The second section 48 of the connecting section is over another joint 49 with the holding section 50 the feather 9e connected. All joints 45 . 46 . 49 are at one to the bottom of the second panel 2 facing side surface of the spring 9e arranged. The first paragraph 44 is in a plane parallel to the plane E of the holding section 50 arranged. The locking section 47 as well as the second section 48 are opposite to the plane E of the holding section 50 inclined.
  • When connecting two adjacent panels 1 . 2 the projection meets the lower groove cheek 17 the groove 14 the opposite first panel 1 and will continue to lower the second panel 2 in the direction of the arrow P to the top 4 the panels 1 . 2 shifted. This shift will be the first section 44 in the plane E of the holding section 50 emotional. In this case, the locking portion 47 in the groove 14 of the adjacent first panel 1 relocated. Is the spring 9e already before connecting the panels 1 . 2 under bias the panels are 1 . 2 by the residual stress of the spring 9e additionally braced against each other.
  • The 7a and 7b show an embodiment in which the spring 9 as they are in 1 shown has been rotated 180 ° and instead in the right panel 2 now in the left panel 1 is arranged. The holding section 10 is now in the left groove 14 , The locking section 13 should be in the right groove 6 be introduced. The lead 16 points up and no longer down.
  • Regarding the further function is on the explanation of 1a to 1c Referenced, as reflected in 7 just changed the orientation and assignment of the spring.
  • The example of 7 is representative of the possibility to modify all other illustrated embodiments with respect to the mounting location of the spring. It is therefore possible in all variants also to turn the spring by 180 ° and to mount in the corresponding groove of the other panel.
  • The embodiment of the 8th is a modification of the embodiment of the 2 B , The spring can be converted in this variant in the illustrated metastable state. The stable state corresponds essentially to the illustration in FIG 2a with the difference that the curved connecting portion is designed as a bulge. This bump is pushed back over a tipping point so far that the connecting section 28 is issued in the other direction. For this purpose, a corresponding recess 51 in the upper groove cheek 7 and an upstanding pusher 52 on the lower groove cheek 17 intended.
  • The Geometry of the spring is in all embodiments shown and described rectangular. The invention concludes but not to provide springs of other geometries, so that the illustrated and described form representative of other geometries is.
  • LIST OF REFERENCE NUMBERS
  • 1
    paneling
    2
    paneling
    3
    bottom
    4
    top
    5
    page
    6
    groove
    7
    upper cheek
    8th
    lower cheek
    9
    feather
    9a
    feather
    9b
    feather
    9c
    feather
    9d
    feather
    9e
    feather
    10
    holding section
    11
    connecting portion
    12
    joint
    13
    locking section
    14
    groove
    15
    joint
    16
    head Start
    16a
    head Start
    16b
    head Start
    17
    lower cheek
    18
    locking bar
    19
    dome channel
    20
    Kuppelwulst
    21
    page
    22
    dome channel
    23
    Kuppelwulst
    24
    contact area
    25
    Auflagerleiste
    26
    cheek
    27
    holding section
    28
    connecting portion
    29
    locking section
    30
    holding section
    31
    connecting portion
    32
    locking section
    33
    head Start
    34
    recess
    35
    locking and connecting section
    36
    free space
    37
    holding section
    38
    holding section
    39
    spring element
    40
    connecting portion
    41
    locking section
    42
    head Start
    43
    head Start
    44
    first section
    45
    joint
    46
    joint
    47
    locking section
    48
    second section
    49
    joint
    50
    holding section
    51
    recess
    52
    handle
    e
    level
    V
    laying plane
    P
    arrow
    H
    height
    F
    spring force
  • QUOTES INCLUDE IN THE DESCRIPTION
  • This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
  • Cited patent literature
    • - WO 2008/017301 [0004]

Claims (18)

  1. Covering of mechanically connectable panels, having the following features: a) adjacent first and second panels ( 1 . 2 ) have at their mutually complementary sides ( 5 . 21 ) each have a groove ( 6 . 14 ), b) the grooves ( 6 . 14 ) each have differently long upper and lower groove cheeks ( 7 . 8th ; 17 . 26 ), c) in one of the grooves ( 6 . 14 ) is one opposite the panel ( 1 . 2 ) at least in part relatively displaceable spring ( 9 . 9a . 9b . 9c . 9d ), which is suitable when connecting the adjacent panels ( 1 . 2 ) into the corresponding groove ( 6 . 14 ) of the adjacent panel ( 1 . 2 ) d) the spring ( 9 . 9a . 9b . 9c . 9d ) has at least one projection ( 16 . 33 . 42 . 43 ), which in the direction of the opposite to the shorter groove cheeks ( 8th . 26 ) projecting portion of the longer groove cheeks ( 7 . 17 ) of the other groove ( 6 . 14 ), e) the projection ( 16 . 33 . 42 . 43 ) is intended, upon contact with this area of the groove cheek ( 7 . 17 ) transversely to the laying level () of the panels ( 1 . 2 ), whereby the projection ( 16 . 33 . 42 . 43 ) in operative connection with a locking section ( 13 . 29 . 32 . 35 . 41 . 47 ) the feather ( 9 . 9a . 9b . 9c . 9d ), which, due to the movement of the projection ( 16 . 33 . 42 . 43 ), in the direction of the groove ( 6 . 14 ) of the adjacent panel ( 1 . 2 ) is displaceable.
  2. Covering according to claim 1, characterized in that the projection ( 16 . 33 . 42 . 43 ) at a relative to the locking portion ( 13 . 29 ) and a holding section ( 10 . 27 ) the feather ( 9 . 9a ) movable connection section ( 11 . 28 ) is trained.
  3. Covering according to claim 1 or 2, characterized in that the locking portion ( 13 . 29 ) in the locking position, a gap between the short groove edge ( 6 . 26 ) the groove receiving it ( 6 . 14 ) and the adjacent, longer groove flank ( 7 . 17 ) of the other groove ( 6 . 14 ) bridged.
  4. Covering according to claim 2 or 3, characterized in that the connecting portion ( 11 . 28 ) hinged to the locking portion ( 13 . 29 ) and / or the holding section ( 10 . 27 ) connected is.
  5. Covering according to claim 4, characterized in that joints ( 12 . 15 . 45 . 46 . 49 ) between the connecting section ( 11 ) and the locking portion ( 13 . 47 ) and / or between the connecting section ( 11 ) and the holding section ( 10 . 50 ) one parallel to the groove ( 6 . 14 ) have extending pivot axis.
  6. Covering according to claim 4 or 5, characterized in that the joints ( 12 . 15 . 45 . 45 . 49 ) Are film joints.
  7. Covering according to one of claims 4 to 6, characterized in that the joints ( 12 . 15 ) between mutually facing edges of holding portion ( 10 ), Connecting section ( 11 ) and locking section ( 13 ) are arranged.
  8. Covering according to one of claims 4 to 7, characterized in that the joints ( 12 . 15 . 45 . 46 . 49 ) of the same material as the remaining parts of the spring ( 9 . 9e ) consist.
  9. Covering according to one of claims 4 to 7, characterized in that the joints ( 12 . 15 . 45 . 46 . 49 ) of a different material than the other parts of the spring ( 9 . 9e ) consist.
  10. Covering according to claim 9, characterized in that the joints consist of hotmelt.
  11. Covering according to one of claims 1 to 9, characterized in that the spring ( 9 . 9a . 9b . 9c . 9d . 9e ) consists of an elastic material.
  12. Covering according to one of claims 1 to 11, characterized in that the locking portion ( 13 . 29 . 32 . 35 . 41 . 47 ) consists of a material of lower elasticity than other parts of the spring ( 9 . 9a . 9b . 9c . 9d . 9e ).
  13. Covering according to one of claims 1 to 12, characterized in that the spring ( 9 . 9a . 9b . 9c . 9d . 9e ) several at a distance in the longitudinal direction of the groove ( 6 . 14 ) mutually arranged, independently operable locking portions ( 13 . 29 . 32 . 35 . 41 . 47 ) owns.
  14. Covering according to claim 12, characterized in that the holding sections ( 10 . 27 . 30 . 37 . 38 . 50 ) of several springs ( 9 . 9a . 9b . 9c . 9d . 9e ) in the region of the groove ( 6 . 14 ) are connected.
  15. Covering according to one of claims 1 to 14, characterized in that the locking portion ( 13 . 29 . 32 . 35 . 41 . 47 ) the feather ( 9 . 9a . 9b . 9c . 9d . 9e ) at its top to the panel ( 1 . 2 ) facing side surface and / or at its bottom of the panel ( 1 . 2 ) facing side surface has a profiling.
  16. Covering according to one of claims 1 to 15, characterized in that the groove ( 6 . 14 ) for receiving the locking portion ( 13 . 29 . 32 . 35 . 41 . 47 ) the feather ( 9 . 9a . 9b . 9c . 9d . 9e ) at its upper and / or lower groove cheeks ( 7 . 8th ; 17 . 26 ) has a profiling.
  17. Covering according to claim 16, characterized in that the profiling of the Verriegelungsab cut ( 13 . 29 . 32 . 35 . 41 . 47 ) in the profiling of the groove ( 6 . 14 ) intervenes.
  18. Covering according to one of claims 1 to 17, characterized characterized in that parts of the spring occupy two states can, where a state is a stable state and the other is a stable or metastable state.
DE102009034902.2A 2009-07-27 2009-07-27 Surface made of mechanically interconnectable panels Active DE102009034902B4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102009034902.2A DE102009034902B4 (en) 2009-07-27 2009-07-27 Surface made of mechanically interconnectable panels

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE102009034902.2A DE102009034902B4 (en) 2009-07-27 2009-07-27 Surface made of mechanically interconnectable panels
PCT/DE2010/000803 WO2011012104A2 (en) 2009-07-27 2010-07-10 Covering comprising panels that can be connected to each other mechanically
EP10744854.0A EP2459818B1 (en) 2009-07-27 2010-07-10 Covering comprising panels that can be connected to each other mechanically
BR112012001893A BR112012001893B1 (en) 2009-07-27 2010-07-10 cladding of mechanically joined panels
PL10744854T PL2459818T3 (en) 2009-07-27 2010-07-10 Covering comprising panels that can be connected to each other mechanically
US13/387,562 US20120124932A1 (en) 2009-07-27 2010-07-10 Covering made from mechanically interconnectable panels
CN201080028698.8A CN102482886B (en) 2009-07-27 2010-07-10 Covering comprising panels that can be connected to each other mechanically

Publications (2)

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DE102009034902A1 true DE102009034902A1 (en) 2011-02-17
DE102009034902B4 DE102009034902B4 (en) 2015-10-01

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Country Status (7)

Country Link
US (1) US20120124932A1 (en)
EP (1) EP2459818B1 (en)
CN (1) CN102482886B (en)
BR (1) BR112012001893B1 (en)
DE (1) DE102009034902B4 (en)
PL (1) PL2459818T3 (en)
WO (1) WO2011012104A2 (en)

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US20120124932A1 (en) 2012-05-24
BR112012001893B1 (en) 2019-08-27
PL2459818T3 (en) 2018-10-31
CN102482886A (en) 2012-05-30
EP2459818B1 (en) 2018-06-20
BR112012001893A2 (en) 2016-03-15
WO2011012104A2 (en) 2011-02-03
WO2011012104A3 (en) 2011-04-21
EP2459818A2 (en) 2012-06-06
CN102482886B (en) 2014-07-30
DE102009034902B4 (en) 2015-10-01

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