EP4161856A1 - Schienenbefestigungssystem - Google Patents
SchienenbefestigungssystemInfo
- Publication number
- EP4161856A1 EP4161856A1 EP21729879.3A EP21729879A EP4161856A1 EP 4161856 A1 EP4161856 A1 EP 4161856A1 EP 21729879 A EP21729879 A EP 21729879A EP 4161856 A1 EP4161856 A1 EP 4161856A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bracket
- rail
- clamp
- fastening system
- contact surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/023—Mounting means therefor
- B66B7/024—Lateral supports
Definitions
- the present invention relates to a rail fastening system, a rail system and a method for fastening a rail.
- an elevator car and usually also a counterweight are displaced vertically along a travel path between different floors or levels within a building.
- elevator cars and counterweights are also referred to as moving bodies.
- the running bodies of an elevator system are typically guided by rails.
- the rails are attached to a support structure that is located along the route.
- This holding structure is usually a wall of the elevator shaft. But it can also be a framework construction, for example.
- the rails should guide the carriages optimally. Optimal guidance is characterized by low-vibration travel of the vehicle and by absorbing the forces that arise during operation.
- the rail fastening elements can adapt to a required distance between the holding structure and the rail.
- the rail fastening system is divided into a first and a second bracket.
- the second bracket can be fastened in two configurations, each of which allows a different range of distances to be set. By turning the second bracket, you can switch from a first to a second configuration.
- this rail fastening system has the disadvantage that turning, that is to say rotating it through 180 °, of the second retaining element during the assembly process is extremely time-consuming.
- An object of the invention can be seen in providing a rail fastening system that can be installed more easily and quickly.
- a rail fastening system solves the task.
- the rail fastening system is suitable for fastening a rail of a vertically movable car body of an elevator system.
- the rail fastening system has a first bracket, which can be connected to a holding structure, and it has a second bracket that can be connected to the rail.
- the first bracket has a laterally extending first central part which is designed to be connected to the holding structure.
- the second clamp has a laterally extending second central part which is designed to be connectable to the rail.
- Both brackets each have a first and a second tab which are attached in the lateral direction at opposite ends of the respective middle part.
- the rail fastening system can be assembled in two alternative configurations.
- the first tab of the first bracket is connected to the first tab of the second bracket at a first contact surface and the second tab of the first bracket is connected to the second tab of the second bracket at a second contact surface.
- the first tab of the first bracket is connected to the second tab of the second bracket at a first contact surface and the second tab of the first bracket is connected to the first tab of the second bracket at a second contact surface.
- a rail system for an elevator installation solves the problem.
- the rail system includes a
- Rail fastening system according to the first aspect of the invention and a rail for guiding a traveling body of the elevator installation.
- a method for fastening a rail of an elevator installation achieves the object.
- the procedure consists of the following steps.
- the holding structure of an elevator describes a structure to which at least some components of the elevator are attached and which extends over at least a partial area of the travel path of the vehicle.
- the holding structure is usually designed in the form of a shaft wall.
- the holding structure can also be designed as a framework construction. Such truss structures are often made of metal.
- the framework construction can, for example, also be arranged inside an elevator shaft or extend along a facade of a building.
- the rail fastening system fastens the rails of a vertically movable car body of an elevator system.
- the rail fastening system defines at least the position of the rail relative to the holding structure, in particular in a horizontal plane in the area of the rail fastening system. So it prevents the rail from shifting horizontally.
- the rail fastening system can absorb part of the vertical weight of the rail.
- the rail also rests on the bottom of the shaft or a suitable stand in such a way that the weight force is largely introduced into the bottom of the shaft. Since the traveling body is preferably designed to move vertically, the rail, and in particular the direction in which the rail extends, is also oriented vertically.
- the first clamp and the second clamp touch on two contact surfaces on the flaps.
- the managers are transferred to these contact surfaces via a frictional connection.
- These contact surfaces are essentially flat.
- the contact surface can have small unevenness, as can occur, for example, as a result of production.
- the contact surface can also have a roughening or corrugation of the surface so that a better frictional connection is achieved.
- the two levels are defined by the respective contact area.
- the tabs that are in contact in each case lie flat against one another. This advantageously enables inexpensive production, since the production process can be designed in such a way that a planar surface of the raw material can be retained.
- the flat surface (37) is parallel to a rail contact surface (36), and the rail contact surface (36) is designed to serve as a contact surface for the rail foot.
- the rail is held by one or more rail holders on the second bracket.
- the rail holders preferably grip around the rail foot and position the rail foot on the rail contact surface.
- a clamping force can be exerted on the rail base. However, the clamping force should preferably be so small that the rail can slide along the direction of travel.
- the flat surface is preferably aligned parallel to the holding structure. This means that the flat surface is aligned on the one hand parallel to the direction of extent of the rail, and on the other hand the flat surface forms a right angle to the two lateral guide surfaces of the rail.
- the two tabs of the first bracket advantageously each have an elongated hole. This allows the second bracket to be precisely adjusted along these elongated holes to the correct distance from the wall to the rail.
- the lugs of the second bracket can thus be designed to be shorter than the lugs of the first bracket.
- the second clamp can be placed on the first clamp in a stable manner.
- the second bracket is located in after placing it on the first bracket a stable position that cannot easily be changed even by slight shocks or unintentional touch.
- the criterion of stability can be understood in accordance with the definition of the mathematical stability theory.
- a small movement out of the applied position for example caused by vibrations or unintentional touching of the second clamp, remains small.
- the second clamp falls back into the applied position.
- energy has to be expended. This energy has to be applied by actively lifting out the second bracket. Without this additional energy, it remains in a stable position in the long term.
- the angle a describes the angle between the tab and the lateral direction of the respective middle part.
- the angle a deviates positively or negatively from an angle of 90 °.
- An angle that deviates only slightly from 90 ° shows the advantage that the second bracket is very stable. The small angle leads to a slight pinching effect.
- the clamp would have to be lifted relatively high out of the stable position in order to be able to fall into the shaft.
- An angle that deviates significantly from 90 ° shows the advantage that the second bracket can be placed on the first bracket with a lot of tolerance. An inaccurate and therefore quick alignment is sufficient to place the second bracket on the first bracket.
- the second bracket cannot jam so strongly on the first bracket if the angle deviates sufficiently from 90 °.
- a preferred range for the angle a deviates from 90 ° by 5 ° to 60 °. So it is between 30 ° and 85 ° or between 95 ° and 150 °. This ensures, on the one hand, that the second clamp rests securely, which reduces the risk of the second clamp being displaced from its stable position and falling down. On the other hand, the bracket can still be moved easily, so that the distance between the wall and the rail can be easily adjusted. Angles a which deviate from 90 ° by 10 ° to 30 ° are particularly suitable. A particularly suitable range for the angle a is therefore between 60 ° and 80 ° or between 100 ° and 120 °.
- the second bracket has a Recess which serves in particular to receive a fastening element and thereby enables the second clamp to be positioned closer to the holding structure, the fastening element serving to fasten the first clamp to the holding structure.
- the first clamp has a recess which is used in particular to receive the hanger bracket and thereby enables the second clamp to be positioned closer to the holding structure.
- the recesses in the first bracket are used to create space for the screws of the hanger brackets in that the recesses accommodate them.
- the recesses in both the first bracket and those in the second bracket allow the middle part of the second bracket to be pushed very close to the middle part of the first bracket, which results in a small minimal distance between the holding structure and the rail leaves.
- the minimum distance between the rail foot and the holding structure can only be determined optimally by the material thickness of the two middle parts.
- a first distance between the tabs of the first bracket and a second distance between the tabs of the second bracket are selected so that when the second bracket is placed on the first bracket, a connecting screw can easily be inserted into the elongated hole.
- the second bracket sinks when it is placed on the first bracket just so far over or into the first bracket that the one elongated hole is brought into line with another elongated hole or a round hole. This makes it easy to insert the connecting screw.
- the first central part and the second central part are preferably also arranged at the same height in the shaft.
- the first clamp and / or the second clamp is formed from a metallic blank, in particular a piece of sheet metal, by bending.
- the metallic blank is manufactured by stamping.
- the two brackets are preferably punched out of sheet metal, with all fastening holes, elongated holes and contours being able to be worked out in one operation.
- the tabs are then created by bending part of the sheet metal.
- the angle a deviates only slightly from 90 °.
- the punched-out blank is an essentially straight sheet metal and can be produced with little waste.
- the middle part in particular the second middle part, is designed as a flat surface and the tabs are advantageously also designed as flat surfaces, the second bracket is particularly easy to manufacture using a bending process.
- the first bracket is preferably made by a similar process.
- the rail of the rail system is aligned following a straight line, and the depth of each individual rail fastening system can be adapted to a distance between the holding structure and the rail, in particular by turning the second bracket.
- the depth of the rail fastening system thus essentially designates the distance between the central part of the first bracket and the central part of the second bracket. With this fastening device, this distance can be adjusted, in particular by turning the second clamp and moving the second clamp relative to the first, in such a way that the locally required distance between the holding structure and the rail can be adjusted.
- the second bracket has one or more rail holders which are used to fasten the rail to the second bracket.
- the hanger brackets are preferably already preassembled on the second bracket.
- the hanger bracket on the second bracket in two ways.
- some of the second brackets are prepared for the first configuration and others for the second configuration.
- the second brackets prepared in this way differ in the orientation with which the hanger brackets are preassembled on the second bracket.
- the fitter can, as required, use the second bracket that has pre-assembled the hanger bracket in the correct orientation.
- the rail holders are preferably mounted displaceably along the second central part, so that the rail can be displaced along the flat surface and thereby aligned when the rail holders are not yet fixed.
- the hanger bracket can then be fixed in that preferably at least one screw of the hanger bracket is tightened. This means that the local position of the rail can be adjusted in a first horizontal direction by moving the second bracket relative to the first bracket in one direction at right angles to the flat surface.
- the local position of the rail can be adjusted by sliding the rail holder along the lateral direction of the second bracket.
- the method for fastening a rail of an elevator installation has the advantage that it enables simple and quick installation.
- a first advantage is that the first clamp can be comfortably held with one hand while the second hand applies the screw.
- the second bracket can then simply be placed on the first bracket. Due to the special shape, it simply remains on the first bracket. The second bracket rests firmly on the first bracket, and allows the fitter to let go of the second bracket. The fitter therefore has both hands free for other activities, such as attaching and aligning the rail or inserting the connecting screws.
- a rail element which forms part of the rail at this location, can now be brought into position. He can attach a piece of rail to the previously attached part of the rail and connect it. Then the fitter can align the rail piece so that it, together with the previously attached part of the rail, results in a straight rail. As soon as the rail piece is correctly positioned and the rail is straight and preferably aligned vertically, the second clamp with the rail fastenings can preferably only be loosely attached to the rail at first. In addition, the second clamp can be lifted from the first clamp in order to attach the rail foot more easily.
- the second bracket then rests on the first bracket again. Due to the special shape, the second bracket is aligned on the first bracket so that the fitter can easily attach the connecting screws to connect the two brackets because the fastening holes and the elongated holes of the brackets are aligned with one another. Before the screws are fully tightened, the distance between the rail and the wall can be adjusted.
- the method for fastening a rail further comprises the selection of a first or second configuration in that the second clamp is placed on the first clamp in a first orientation or in a second orientation rotated by 180 ° relative to the first orientation.
- the second bracket is preferably rotated by 180 ° about a vertical axis with respect to the first bracket.
- the central portion of the second bracket is horizontally aligned in both orientations.
- the hanger brackets attached to the second bracket are therefore each aligned in such a way that the rail foot of the rail can be optimally gripped.
- the two tabs of the second bracket and preferably also the two tabs of the first bracket have the same angle ⁇ to have lateral direction of the central parts.
- the method for fastening a rail further comprises the displacement of the second clamp relatively perpendicular to the flat surface.
- the rail can thus simply be displaced in the two directions perpendicular to the direction of extension and thus aligned vertically.
- the hanger brackets can be slidably attached along the second central part. The shifting and thus the perpendicular alignment in the second
- FIG. 1 shows a first clamp of a rail fastening system
- FIG. 7 shows three rail fastening systems which hold a rail on a holding structure.
- the first middle part 11 is made significantly longer in the lateral direction 101 than in the width direction 102.
- the middle part 11 of the first bracket 10 has wall mounting holes 14 and recesses 15 at the To attach holding structure. For this purpose, retaining bolts and nuts are advantageously used, which are not shown in any of the figures.
- first tab 12 and the second tab 13 of the first bracket 10 At the two ends of the first central part 11 are the first tab 12 and the second tab 13 of the first bracket 10. Both tabs 12, 13 each have an elongated hole 8.
- the first central part 11 and the two tabs 12, 13 are made of one Bent piece of sheet metal. The two bending edges run relative to the lateral direction 101 of the first central part 11 at an angle ⁇ of 100 °.
- FIG. 2 shows the second clamp 20 of a rail fastening system that matches the first clamp 10 from FIG. 1.
- the views are chosen the same as in FIG. 1.
- the second central part 21 is also formed significantly longer in the lateral direction 101 than in the width direction 102.
- the length of the second central part 21 is essentially the same as the length of the first central part 11. It only differs from the length of the first central part 11 by approximately two sheet metal thicknesses.
- the middle part of the second bracket 21 has openings for the hanger brackets 24 to which the hanger brackets are attached to the second bracket 20.
- a first and a second tab 22, 23 are also located at its ends on the second central part 21. These two tabs 22, 23 each have a round hole 9. The round hole 9 requires less space than an elongated hole 8, so the tabs 22 can , 23 of the second bracket 20 is designed to be shorter than the tabs 12, 13 of the first bracket 10.
- FIGS. 3 and 4 show the first and the second configuration in which the two clamps from FIGS. 1 and 2 can be combined to form a rail fastening system.
- the floor plan is shown above, a front view below. In the plan, the rail 2 and the rail fastening 3 are also shown, the front view only shows the rail fastening 3.
- the first bracket 10 can be fastened to the holding structure 4 via the wall fastening holes 14.
- the tabs 12, 13 of the first bracket 10 are connected to the tabs 22, 23 of the second bracket 20 via screws 5, respectively.
- the screws 5 run here each through an elongated hole 8 and a round hole 9.
- the first tab 12 of the first bracket 10 is connected to the first tab 22 of the second bracket 20.
- the second bracket is rotated through 180 ° around a vertical axis, that is to say parallel to the course of the rail 2.
- the second tab 23 of the second bracket 20 now lies next to the first tab 12 of the first bracket 10.
- the choice of alignment can be made when the second clamp 20 is placed on the first clamp 10 and depends on how large the local distance s between the holding structure 4 and the rail 2 must be.
- FIG. 3 shows the rail fastening system 1 with the maximum adjustable distance s.
- the screw connection 5 is in the outermost possible position of the elongated hole 8. In this configuration, the recesses 15 remain free.
- 4 shows the rail fastening system 1 with the minimum adjustable distance s. This minimum distance s is predetermined by the hanger bracket 3 used, and in particular the screws of the hanger bracket 3.
- the recesses 15 allow the distance s to be made one sheet metal thickness smaller than would be the case without the recesses 15. It would be possible to continue the recesses 15 as depressions (not shown) in the holding structure 4 and thereby reduce the minimum distance s even further.
- Fig. 5 shows a first plane 33 and a second plane 34, as they are defined by the contact surfaces 31, 32 of the tabs 12, 13, 22, 23 to each other.
- the tabs 12, 13, 22, 23 are flat sheet metal parts, so their contact surfaces, which are also flat, define the respective levels.
- the first plane 33 and the second plane 34 intersect in a straight line 35.
- a flat surface 37 is defined by a rail contact surface 36.
- the rail contact surface is formed on the central part 21 of the second bracket 20.
- the rail 2, and in particular the rail foot of the rail 2 rests on this flat rail contact surface 36. Therefore, the flat surface 37 is parallel to the rail 2 and, since the rail is preferably aligned vertically, preferably also aligned vertically.
- FIG. 6 shows a projection in the direction of the intersection axis between the first plane and the flat surface 37.
- the minimum adjustable distance sl is shown.
- a mean distance s2 can be set; this is at least as large as the minimum distance s3 in the second configuration, in which the second clamp 20 is turned through 180 °.
- a distance up to the maximum distance s4 of the rail fastening system 1 can be set.
- FIG. 7 shows a holding structure 4 which deviates from a vertical orientation.
- the schematic and idealized representation with the steps allows the position variation of the support structure to be clearly represented, but does not necessarily correspond to the situation in an elevator system.
- Alternative support structures 4 can also include uneven surfaces, such as those that arise, for example, due to tolerances during construction.
- Metallic support structures or framework constructions can have individual surfaces which have locally different distances from the target position of the rail and can therefore correspond to the steps from FIG. 7.
- FIG. 7 two variants of the rail fastening system 1 are abil det.
- the upper two rail fastening systems 1 correspond to the embodiment as already shown in FIGS. 1 to 4.
- the angle a shown is 135 °, ie 45 ° deviating from the vertical.
- the angle a is at least so much larger that the second bracket 20 can rest on the first bracket 10.
- the upper of the three rail fastening systems 1 shows a wide configuration of the first embodiment, that is to say for large distances between the holding structure 4 and the rail 2. In this configuration, a distance between the first bracket 10 and the second bracket 20 along the elongated holes can be adjusted so that the rail runs straight.
- the middle of the rail fastening systems 1 shows the configuration of the first embodiment which is suitable for shorter distances and is obtained by turning the second clamp 20. Here, too, a distance can be adjusted analogously to the first configuration.
- the lower of the three rail fastening systems 1 shows an alternative embodiment in which the tabs 22, 23 of the second bracket 20 contact the tabs 12, 13 of the first bracket 10 from the outside.
- the angle a is now 45 °, that is to say again deviating from the vertical 102 by 45 °.
- the angle now deviates from the in the other direction Vertical 102 down so that the second bracket 20 rests on the first bracket 20 again.
- the first and the second embodiment would not be used together in the same elevator. By using only a single embodiment in an elevator system, it can be ensured that every first bracket can be combined with every second bracket.
Landscapes
- Clamps And Clips (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20178561 | 2020-06-05 | ||
PCT/EP2021/064633 WO2021245062A1 (de) | 2020-06-05 | 2021-06-01 | Schienenbefestigungssystem |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4161856A1 true EP4161856A1 (de) | 2023-04-12 |
EP4161856B1 EP4161856B1 (de) | 2024-08-21 |
Family
ID=71016452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21729879.3A Active EP4161856B1 (de) | 2020-06-05 | 2021-06-01 | Schienenbefestigungssystem |
Country Status (4)
Country | Link |
---|---|
US (1) | US11993490B2 (de) |
EP (1) | EP4161856B1 (de) |
CN (1) | CN115768710A (de) |
WO (1) | WO2021245062A1 (de) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3948358A (en) * | 1974-08-16 | 1976-04-06 | Dover Corporation | Elevator rail mounting bracket |
JPH06239559A (ja) * | 1993-02-15 | 1994-08-30 | Hitachi Building Syst Eng & Service Co Ltd | エレベーター用ガイドレールの取付装置 |
US6196356B1 (en) | 1999-08-24 | 2001-03-06 | Terryle L. Sneed | Method and apparatus for installing elevator car and counterweight guide rails |
DE102005049408A1 (de) | 2005-10-13 | 2007-04-26 | Wittenstein Ag | Selbstfahrender Aufzug |
EP2749518B2 (de) | 2012-12-27 | 2019-05-01 | KONE Corporation | Aufzugsführungsschienenanordnung und Stütze |
EP3782945B1 (de) * | 2019-08-23 | 2023-04-05 | Otis Elevator Company | Führungsschienenklammeranordnung |
-
2021
- 2021-06-01 WO PCT/EP2021/064633 patent/WO2021245062A1/de active Application Filing
- 2021-06-01 CN CN202180040206.5A patent/CN115768710A/zh active Pending
- 2021-06-01 US US17/999,951 patent/US11993490B2/en active Active
- 2021-06-01 EP EP21729879.3A patent/EP4161856B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
EP4161856B1 (de) | 2024-08-21 |
US11993490B2 (en) | 2024-05-28 |
US20230202801A1 (en) | 2023-06-29 |
CN115768710A (zh) | 2023-03-07 |
WO2021245062A1 (de) | 2021-12-09 |
AU2021285039B2 (en) | 2024-10-10 |
AU2021285039A1 (en) | 2023-01-19 |
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