SLIDING DOOR WITH GUIDE SLIDE
Patent Information
- Application Number
- DE502017016859
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2017-06-30
- Publication Date
- 2025-06-12
- Estimated Expiration
- 2037-06-30
AI Technical Summary
Conventional sliding door guide systems face challenges in maximizing the utilization of available opening width and achieving effective sealing of the door leaf on the frame, while also being adaptable to changes in application requirements.
The proposed guide slot system utilizes at least two rollers in contact with the guide rail and an additional roller that temporarily hovers over a link guide or rests on the rail, allowing for maximum utilization of the opening width and improved sealing by enabling movement in the y and z directions.
This solution allows for a minimum opening width of 800 mm and a maximum of 2500 mm, while ensuring dynamic movement even with heavy door leaves and achieving hermetic sealing, with the ability to adjust the system to suit different door weights and sealing types.
Description
[0001] The subject matter of the invention is a sliding door with a roll-over guide slot according to the preamble of patent claim 1.
[0002] A sliding door is a door that opens by sliding horizontally. The difference from conventional doors is that no rotational movement is required when opening, and sliding doors therefore do not require a pivoting area.
[0003] A sliding door consists of one or more door leaves that have a guide on their top or bottom or on both sides, with which they can be opened sideways.
[0004] The most common design principle is that the carriage on which the sliding door is suspended runs in a guide rail located above the door, which supports the weight of the door leaf. A guide rail or guide pin can also be installed at the bottom to prevent the door from swinging too much. Such a guide pin is shown, for example, in WO 98 / 30777 A1 and engages in a guide groove on the underside of the leaf.
[0005] Opening and closing can be done manually or via actuators (electric, hydraulic, or pneumatic). Special sets of sliding door fittings ensure locking and unlocking.
[0006] InThe sliding door product family includes two versions of sealed doors. These are divided into hermetically sealed doors, which fit tightly across all four sides of their perimeter, completely closing off an opening, and doors that fit tightly across three sides. For example, with a door that only fits tightly on three sides, the bottom edge of the door may not have a seal, allowing air to exchange with the space behind the door.
[0007] An opening is a passageway located in a wall, a passageway or an entrance.
[0008] For better understanding, the directions of movement of a sliding door are introduced below as x-direction for a horizontal movement parallel to an opening, y-direction for a horizontal movement in the direction of the opening and z-direction for a vertical movement parallel to an opening.
[0009] The carriage of a simple sliding door moves back and forth on a track only in the x-direction, as shown, for example, in DE 10 2006 052 284 A1. For doors that seal on three sides, a position in the y-direction is also moved to in addition to the x-direction. For hermetic doors, a position in both the y- and z-direction is moved to in addition to the x-position.
[0010] The purpose of the additional movement is to press the seal of the door leaf against the frame running around the opening, which separates the opening from a wall and, in the case of hermetic doors, also from the floor.
[0011] Hermetically sealed doors have a circumferential seal that requires contact pressure in the closed position to achieve the required sealing effect. To achieve this, the door leaf moves inward in the y-direction and downward in the z-direction for the last few millimeters of travel, thus sealing against the frame and also the floor.
[0012] With three-sided sealing doors, sealing is only provided on the sides and top. Even with three-sided sealing doors, a contact pressure is required when closed. However, this pressure only acts inward in the y-direction.
[0013] This additional movement is achieved with a guide slot in the guide rail, whereby the rollers rolling on the guide rail are additionally deflected in the y or z direction.
[0014] This guide rail controls the path of the carriage, similar to the rail system of a train.
[0015] A sliding door deflected in the y-direction is disclosed in EP 2 317 054 A2. To control the transverse displacement and to guide the sliding leaf longitudinally, the sliding door has a guide slot. A ramp or inclined plane is provided at a specific position in this guide slot. A horizontally aligned roller runs along this ramp during the longitudinal movement, thereby causing the transverse displacement of the sliding leaf. This enforces the transverse displacement, for example, toward the end of the closing movement, and presses the sliding leaf against the seal.
[0016] In conventional track systems, the guide slot for controlling the movement of the rollers is machined into a track profile at specific positions using machining techniques such as milling. The resulting sections are described below as slot segments, which make it possible to control the direction of movement of the rollers and thus the door leaf.
[0017] In another known embodiment, the guide rail consists of replaceable segments, which provide additional movement for the rollers rolling on a guide rail and control the direction of movement of the door.
[0018] Preferably, the individual segments are connected to each other via a tenon joint.
[0019] The rollers of the sliding door roll on such a machined track profile, with the sliding door preferably being attached to the rollers in a hanging manner.
[0020] Such direction-changing segments make it possible to control the movement of the rollers. For example, a downward-running segment deflects the sliding door in the z-direction, while a backward-running segment steers the sliding door in the y-direction. The disadvantage of these conventional guide segments is that at least one roller must be installed next to the door leaf. This significantly increases the length of the track. In passageways with lateral barriers, this can reduce the opening width.
[0021] FR 2 936 005 A1 discloses a sliding door with at least one leaf which is displaceable in the x-direction relative to an opening and which is suspended from a carriage, wherein the carriage rolls with three rollers on a guide rail located above the opening to guide the leaf, as well as two link segments in the guide rail to influence the movement of the roller and thus also of the leaf of the sliding door in the y- and z-direction and to achieve a desired deflection orTo achieve lowering of the sliding door in a defined area, whereby the rollers rolling on the guide rail are deflected for the transverse and longitudinal displacement of the sliding leaf relative to the opening, whereby at least two rollers are in contact with the guide rail and a further roller rolls over a link segment during the opening or closing movement due to the rigid suspension on the carriage and is located above one of the link segments without contact, whereby in the closed position of the sliding door the rollers are located in the associated link segments.
[0022] The present invention is therefore based on the object of developing a guide slot of the type mentioned at the outset in such a way that maximum utilization of the available opening width is possible and, in addition, an improved sealing of the seal of the door leaf on the frame running around the opening is possible.
[0023] In addition, it should be possible to change the backdrop shape at any time if the application changes.
[0024] The objects underlying the invention are solved by the features of independent patent claim 1, while advantageous embodiments and further developments of the invention can be found in the subclaims.
[0025] The essential feature is that in the direction of movement x at least two rollers are in contact with the guide rail and at least one further roller hovers over a link guide or rests on the guide rail.
[0026] Due to the rigid suspension of the rollers on the carriage, it is possible to roll over individual link segments.
[0027] When it comes to guide rails, a basic distinction is made between "rollover" and "engagement." "Rollover" means that a roller of the carriage moves over a rail segment in a floating motion, while "engagement" describes the engagement of a roller with the rail segment. Rollover is achieved by a rigid connection between the individual rollers.
[0028] For this purpose, the carriage has at least three rollers, two of which are always in contact with the guide rail and one roller can be located above a link segment without contact.
[0029] However, the present invention is not limited to the use of three rollers; an arrangement of four or more rollers is also claimed, whereby at least two rollers must always be in contact with the guide rail.
[0030] The at least one roller which is not in contact with the guide rail when rolling over can be arranged between the at least two rollers which are in contact with the guide rail.
[0031] The present invention also claims an arrangement as the first or last roller of a carriage.
[0032] The important feature here is that the rollers which are in contact with the guide rail carry at least one roller which is not in contact with the guide rail when rolling over.
[0033] This support of the non-contacting rollers is achieved by rigidly suspending the individual rollers in or on the carriage, with the rollers being on a horizontal plane.
[0034] Thus, at least two rollers are in contact with the guide rail and at least one further roller temporarily hovers over the guide rails during the opening or closing movement.
[0035] This allows an opening width of, for example, 800 millimeters minimum and 2500 millimeters maximum, as well as dynamic movement even with heavy door leaves and hermetic sealing.
[0036] The present invention can be applied to left-opening, right-opening or double-leaf doors.
[0037] In a preferred embodiment, the guide rail consists of replaceable segments which provide additional movement for the rollers rolling on a guide rail and control the direction of movement of the door.
[0038] At least one straight track segment alternates with at least one curved link segment.
[0039] Using individual segments is easier from a production perspective, and individual segments can be replaced at a later date. If the profile of the guide rail is milled or bent into the guide rail, as is the case with current technology, subsequent changes are not possible.
[0040] Preferably, the individual segments are connected to each other via a tenon joint. This tenon joint between the individual segments allows the entire track to be removed from the support profile, the plug-in connection removed, and the segments replaced.
[0041] The connection of the segments is not limited to a tenon joint. A tongue-and-groove connection, a snap-in connection, or any other form-fitting connection that allows the link segment to be released from the track is also possible.
[0042] With such direction-changing segments it is possible to control the movement of the rollers, whereby, for example, a downward-running segment deflects the sliding door in the z-direction and a backward-running segment steers the sliding door in the y-direction.
[0043] In different sliding positions of the sash, the sash is lowered or raised by the bends of the link segments directed in the vertical and / or horizontal direction.
[0044] For the two variants of a sealed door, two different types of gates are available with interchangeable segments. With hermetic doors, this allows the door to move to a position in the y- and z-direction. With three-sided sealing doors, the door only moves to a position in the y-direction.
[0045] The backdrop segments can be installed in different numbers and for different requirements.
[0046] For example, with a 100 kg door and 4 rollers, each roller exerts a weight force of 25 kg, which acts perpendicularly on the contact surface on the track.
[0047] If, for example, an increase in the size of the door or a replacement of the door results in a greater weight force acting on the individual rollers, the rollers must be enlarged, which also makes it necessary to adapt the guide segments and the guide rail to the changed requirements.
[0048] The required link and guide rail segments can then be joined together using the plug-in connection according to the invention and inserted into the support profile.
[0049] For example, the roller width would then be increased from 20 mm to 30 mm and thus the link and guide rail segments would have to be replaced.
[0050] Individual backdrop segments can also be inserted, which, for example, have an offset of 7 mm or an offset of 8 mm.
[0051] To ensure the door leaf performs its additional movement parallel to the wall, the invention provides an additional guide for each door leaf. An additional guide is installed in this guide on the underside of the door leaf.
[0052] This lower gate is always the same, regardless of whether it is a hermetic or three-sided sealing door.
[0053] The travel path of the lower guide groove in the y-direction is identical to the travel path of the guide slot of the track above the door leaf in the y-direction. Thus, similar to a parallelogram, the door is closed and the seal is pressed into place.
[0054] Two rigid, floor-mounted pins engage in the lower guide groove. The door leaf is guided along one of them. Depending on the positioning of the pins and the shape of the lower guide groove and slot, the door leaf is deflected accordingly.
[0055] This makes it possible for the door leaf to remain parallel to the wall during the additional movement(s) deviating from the x-direction.
[0056] The advantage of this invention is that a larger opening can be closed with less space. And it can be easily and quickly adjusted to suit the sash weight and sealing type at any time.
[0057] The track segments and guide segments are mounted with a rubber profile in a U-shaped support profile. This rubber seal has the advantage of isolating and dampening rolling noise and structure-borne sound, even in the area of the guides.
[0058] This makes it possible to ensure floating support of all segments.
[0059] The subject matter of the present invention results not only from the subject matter of the individual patent claims, but also from the combination of the individual patent claims with one another.
[0060] All information and features disclosed in the documents, including the abstract, in particular the spatial configuration shown in the drawings, are claimed as essential to the invention insofar as they are new, individually or in combination, compared to the prior art.
[0061] To the extent that individual subject matter is designated as "essential to the invention" or "important," this does not mean that these subject matter must necessarily form the subject matter of an independent claim. This is determined solely by the applicable version of the independent patent claim.
[0062] They show: Figure 1 : Sliding door movement in x-direction Figure 2 : Sliding door closed in y and z directions Figure 3 : Sliding door movement in x-direction Figure 4 : Sliding door closed in y-direction Figure 5 : Track with segments Figure 6 : Backdrop shape y-direction Figure 7 : Slide shape z-direction Figure 8 : Backdrop shape y-direction Figure 9 : Scene shape without movement in z-direction Figure 10 : Carriage moving in x-direction on guide rail Figure 11 : Carriage closed in y- and z-direction on guide rail Figure 12 : perspective view of the door leaf Figure 13 : Bottom view of door leaf Figure 14 : backdrop in the door base profile Figure 15 : Support profile Figure 16 : individual segments
[0063] Figure 1shows a sliding door 1 which is moved in the direction of arrow 5 (x-direction) in front of an opening 2 with a frame 37. The sliding door 1 is mounted on a guide rail with a slotted guide with three rollers 4a, b, c running over it.
[0064] In this example, the guide rail 8 has three link segments 9 a, b, c.
[0065] Figure 2shows the sliding door 1 in the closed position, whereby the sliding door 1 with the leaf 40 is pushed completely in front of the opening 2. In this position, the sliding door 1 has the rollers 4 a, b, c in the corresponding link segments 9 a, b, c. By retracting the rollers 4 a, b, c into the link segments 9 a, b, c, the previous horizontal movement in the direction of arrow 5 is supplemented by a movement in the directions of arrows 6 and 7. The door is thus pivoted into the plane of the drawing (direction of arrow 6) and downwards (direction of arrow 7) and lies sealingly in front of the opening 2, ie the existing seals are pressed on. This sequence of movements makes it possible to seal the entire circumference of the sliding door 1.
[0066] Figure 3 shows a three-sided sealing sliding door 1, which in addition to the x-position, ie in the direction of arrow 5 also according to Figure 4in y-position, ie in the direction of arrow 6. Since the sliding door 1 is not lowered in the direction of arrow 7, ie in the vertical direction, a gap 29 remains between the floor surface 30 and the lower edge 31 of the sliding door 1, whereby in this area the sliding door 1 is not sealed off from the opening 2. The remaining three sides of the circumference of the door 1 nevertheless lie in front of the opening 2 to form a seal. This embodiment makes it possible to regulate the air supply to a room located behind the sliding door 1.
[0067] Figure 5shows the guide rail 8, into which individual link segments 9 are inserted. The guide rail segments 21 are located between the link segments 9. Due to the profiled design of the link segments 9, the rollers 4, which are guided in a straight path on the guide rail segments, are deflected in the y- and / or z-direction and thus forced onto a path deviating from the straight path.
[0068] The link segments 9 are connected to the guide rail segments 21 via a pin connection. The pins ensure that there is no offset between the individual segments 9, 21. Such an offset can occur, for example, due to the rolling over of the rollers 4, which, due to the weight force acting on them, would press down the preceding segment and then drive into the front of a subsequent segment.
[0069] The guide rail 8, composed of link segments 9 and guide rail segments 21, is loosely inserted into a support profile 41 according to Figure 15 inserted so that it is mounted in a floating manner. To dampen the guide rail 8, the support profile 41 has a damping element 22, which can be made of rubber, for example.
[0070] Figure 15 shows the support profile 41, which is attached to the on-site element 32, on which the sliding door is suspended and runs. The on-site element 32 is not movable.
[0071] The individual link segments can be removed from the support profile 41 in the direction of arrow 24.
[0072] Due to the tenon connection between the individual segments, it is necessary that the guide rail 8 is removed as a whole from the support profile 41.
[0073] After removing the guide rail 8, it is possible to replace individual segments 9 or 21 and adapt the guide rail to changed requirements.
[0074] Figure 6 shows the shape of a link segment 9 for the deviation of the rolling path of the rollers 4. The changed rolling path is indicated by 33, 34 and represents the running path of the rollers. The roller segment 9 shown here is shown in plan view and shows a link segment for an offset 11 in the direction of arrow 6 (y-direction). Due to this offset 11, a bend 14 of the previously and subsequently straight running rail 8 occurs at this viewing angle.
[0075] Thus, a roller rolling on this guide rail is influenced in the travel path and deflected in the direction of arrow 6, whereby the sliding door mounted on the roller is also deflected in this direction.
[0076] Figure 7 also shows the backdrop segment 9 to Figure 6, but in front view. 35 represents the rolling path on a straight track, while 36 indicates the modified rolling path due to the link segment 9. Between the rolling paths 35, 36 there is an offset 12 in the direction of arrow 7 (z-direction). This offset 12 is achieved due to a bend 15, which deflects the roller in the direction of arrow 7.
[0077] With the Figure 6 and Figure 7 Using the link segment 9 shown, it is thus possible to influence the movement of the roller and thus also of the door in the y and z directions and to achieve a desired deflection or lowering of the sliding door in a defined area.
[0078] This is used, for example, when a sliding door 1 is to be sealed on four sides against a frame 37 and the floor. Due to the movement in the direction of arrow 7, a floor-side seal also comes into contact with a frame 37.
[0079] Figure 8shows the top view of a link segment 9, with an offset 11 between the roller tracks 33, 34 and the guide rail having a bend 14. When a roller is in this bend 14, the sliding door connected to it has completed a movement in the direction of the arrow.
[0080] Figure 9 shows the scenery segment Figure 8 in front view. Here, the rolling track 35 runs horizontally straight over the link segment. Unlike Figure 7 there is no deflection of the roller in the direction of arrow 7. The Figure 8 and Figure 9 The cam segment shown is used when only movement in the y-direction is desired, but not in the z-direction. This is used, for example, when a sliding door 1 is only to be sealed against a frame 37 on three sides.
[0081] Figure 10shows a carriage 13 to which four rollers 4a, b, c, d are mounted. The carriage 13 represents a rigid connection via a metal rod between the individual rollers. Such a rigid connection can be realized, for example, by a metal rod to which the individual rollers are attached horizontally. In the example shown here, the carriage 13 rolls over the guide rail 8. Since the rollers 4a, b and d are located on the straight part of the guide rail 8, i.e. on the guide rail segments 21, the carriage 13 does not lower. The roller 4c, which is located directly above the link segment 9a, is carried between the individual rollers due to the rigid connection of the carriage 13 and floats above the link segment 9a when passing it and does not engage with it.
[0082] In the same way (not shown), the roller 4d then floats over the link segments 9a and 9b when the carriage 13 moves in the direction of arrow 5 due to the rigid connection between the rollers, which is made possible by the carriage. This prevents the individual rollers from accidentally engaging a link segment not intended for that roller.
[0083] If the carriage is now moved from Figure 10 further shifted in the direction of arrow 5, the rollers 4a, 4b, 4c rest on the straight track segments and roller 4d hovers over the link segment 9c.
[0084] Due to the rigid carriage 13, at least two rollers always roll permanently on the link guide, while one or more rollers float over one or more link segments and are not engaged with them.
[0085] In Figure 11The carriage 13 has reached its end position. Each of the rollers 4a, b, c, d is rolled into its designated link segment 9a, b, c, d, and the carriage 13 lowers in the direction of arrow 7 due to the height difference between the rolling tracks of the link segment and the track segment. Thus, the sliding door mounted on the carriage 13 is also deflected in the direction of arrow 7.
[0086] A distinction is therefore always made between rolling over and interfering with the individual link segments 9.
[0087] The bends (14, 15) of the segmented guide rail (8) directed in the vertical direction and / or horizontal direction correspond to the roller spacing of all rollers (4a, b, c, d) of the carriage (13).
[0088] Figure 12 shows the sliding door 1 according to the invention, which has a guide groove 16 on its lower edge 18. This guide groove has a profile shape at the end area that differs from the guide groove 16.
[0089] At the beginning of the guide groove 16 there is an initial area 18 in which the pin is located at the beginning of the movement in the direction of arrow 5
[0090] The sliding door is thus stabilized in the closed position at its lower edge 31 by the pins 25 and 26, which prevent the door from swinging out sideways.
[0091] If the sliding door 1 is now moved in the direction of travel 5 so far that the guide 20 engages with the pin 25, the sliding door is deflected from its straight direction of movement due to the profile shape of the door base profile deviating from the guide groove 16 and experiences a forced movement, for example in the direction of arrow 6.
[0092] In Figure 13the sliding door 1 is shown and at the same time the underside of the lower edge 31 is shown in an enlarged view. The pin 25 is located in the starting area 18 and engages with the guide groove 16. The lower link 20 is arranged at the end of the guide groove 16. Such a link must correspond with an opposite link segment 9a. If the sliding door 1 is now moved in the direction of arrow 5 so far that the pin 25 engages with the link 20, the roller 4a also engages with the link segment 9a. The sliding door is deflected by the link segment 9a in the upper area and by the door base profile in a direction deviating from the x-direction. In this end position, the guide groove engages over another pin 26, which holds the deflected sliding door securely at the starting area 18.
[0093] The guide groove 16 runs along the base pin 25 and when it reaches the door foot profile 20 at the pin position of the pin 25, due to the
[0094] Inclined shape of the lower link 20, the sliding door 1 is forced in the direction of arrow 6.
[0095] Thus, the upper side of the door leaf 40, which is forced into a closed position due to the above link segment 9a, b, c, also forces the lower side of the door leaf 40 into a corresponding closed position.
[0096] If the door is deflected in the z-direction, i.e. upwards or downwards, such an offset can be compensated by a high guide groove, which leaves sufficient space for the pins 25 and 26 even when the maximum lowering position is reached.
[0097] If the door is now also pushed downwards in the direction of arrow 6, this offset 12 in the Z direction is compensated by a correspondingly high groove in which the pins 25 and 26 can then move.
[0098] In Figure 14 The lower guide 20 is shown, which accommodates the pin 25 running in the guide groove 16 and, due to the angled flanks 39a, 39b, forces the sliding door into an inclined position. This offset 28 represents the deviation from the straight path of movement of the guide groove 16. The door base profile is mounted on the lower edge 31 via the mounting holes 38.
[0099] Figure 15 shows the support profile 41 of the sash 40. The guide rail 8 is inserted into the support profile 41. For this purpose, the support profile has flanks 44, which hold the support rail in a form-fitting manner at the sides. An optional damping element 22 can be inserted between the guide rail 9 and the support profile 41 to decouple the resulting sound.
[0100] According to Figure 16 The link segments 9 and the guide rail segments 21 are centered using positioning pins 42. In the example shown here, the link segment 9 has a positioning pin 42 on the front and back, which can be inserted into a corresponding recess in the guide rail segment. Drawing legend
[0101] 1 Sliding door 2 Opening 3 Slide guide 4 Roller a, b, c, d 5 Arrow direction (x-direction) 6 Arrow direction (y-direction) 7 Arrow direction (z-direction) 8 Track 9 10 Slide segment a, b, c, d 11 Offset (y-direction) 12 Offset (z-direction) 13 Carriage 14 Bend (y-direction) 15 Bend (z-direction) 16 17 Guide groove 18 19 Starting area 20 Slide 21 Track segment 22 23 Damping 24 Arrow direction 25 Pin 26 Pin 27 Offset 28 Offset 29 Gap 30 Floor surface 31 Bottom edge 32 On-site element 33 Roll-off track 34Rolling track 35Rolling track 36Rolling track 37Frame 38Mounting holes 39Flank a, b 40Wing 41Support profile 42Positioning pin 43Recess 44Flank
Claims
1. Sliding door (1) having at least one panel (40) displaceable in x direction relative to an opening (2) and which is suspended on a carriage (13), wherein the carriage (13) for guiding the panel (40) rolls using several rollers (4a, b, c, d) on a guide rail (8) located above the opening (2), and at least three runner segments (9) in the guide rail (8) in order to influence the movement of the rollers (4) and hence also of the panel (40) of the sliding door (1) in y direction and z direction and to achieve required deflection or lowering of the sliding door in a defined region, whereby the rollers (4a, b, c, d) rolling on the guide rail (8) are deflected for the transverse displacement and longitudinal displacement of the displaceable panel (40) relative to the opening (2), wherein at least two rollers (4 a, b, d) are in contact with the guide rail (8) and at least one further roller (4c) during the opening movement or closing movement due to the rigid suspension on the carriage (13) rolls over individual runner segments (9) and is located without contact above one of the runner segments, wherein in the closed position of the sliding door (1), the rollers (4a, b, c) are located in the associated runner segments (9a, b, c), characterised in that for floor-side guiding of the panel (40) parallel to the opening (2), a lower guide groove (16) is arranged on the underside of the panel (40), with a runner (20) arranged on the end region of the guide groove (16), with a profile shape deviating from the guide groove (16), and at least one pin (25, 26) which is attached on the floor side in the direction of running of the panel (40) and engages in the lower guide groove (16) and during displacement of the panel (40) and engagement with the runner (20), the sliding door deflects from its straight movement direction in y direction, and in that the runner (20) is arranged opposite one of the runner segments (9), and in that the offset (12) of lowering of the panel (40) in z direction can be balanced by the correspondingly high guide groove (16) which on reaching the maximum lowered position of the panel (40) also leaves enough space for the movement of the pin (25, 26) in the guide groove.
2. Sliding door (1) according to claim 1, characterised in that the individual rollers (4a-d) are connected rigidly to one another in horizontal direction.
3. Sliding door according to claim 1 or 2, characterised in that the guide rail (8) consists of individual segments (9, 21), wherein at least one straight guide rail segment (21) alternates with at least one curved runner segment (9).
4. Sliding door (1) according to claim 3, characterised in that in different displacement positions of the panel, lowering or raising of the panel (40) takes place, and in that raising or lowering of the panel (40) is effected by curvatures (14, 15) of the runner segments (9) aimed in vertical direction and / or horizontal direction.
5. Sliding door according to claim 3 or 4, characterised in that curvatures (14, 15) of the runner segments (9) aimed in vertical direction and / or horizontal direction correspond to the rolling distance of all rollers (4a, b, c, d) of the carriage (13).
6. Sliding door according to one of claims 3 to 5, characterised in that the at least one runner segment (9a, b, c, d) and the at least one guide rail segment (21) are connected to one another via a plug connection (42, 43).
7. Sliding door according to claim 4 or 5, characterised in that the at least one runner segment (9a, b, c, d) and the at least one guide rail segment (21) are connected to one another via a groove-spring connection.
8. Sliding door according to one of claims 1 to 7, characterised in that the guide rail (8) is mounted to be floating in a support profile (41).
9. Sliding door according to claim 8, characterised in that damping (22) to neutralise the mechanical vibration is inserted between the guide rail (8) and the support profile (41).
10. Sliding door according to one of claims 1 to 9, characterised in that an at least one further floor pin (26) engages in the guide groove (16) in the vicinity of the frame (37).