Sliding door with a sliding wing

Abstract

The invention relates to a sliding door comprising a blind frame (300) and a sliding leaf (1) which is arranged movably in or relative to the blind frame for opening and closing a passage D in the blind frame (300), wherein: the sliding leaf (1) is arranged in the blind frame (300) so as to be vertically height-adjustable and horizontally movable relative thereto; the sliding leaf (1) has a lower rail-like running surface (LF) by means of which the sliding leaf, in a movement position, can be slid on at least one first roller element horizontally relative to this first roller element; the first roller element (50, 1050) has one, two or more sliding rollers (52, 1052) on which it is possible for the lift-and-slide element (1) to slide horizontally relative to the first roller element; the height level of the first roller element (50, 1050) is vertically variable, such that the sliding leaf, together with the first roller element (50, 1050), can be brought, relative to the blind frame (300), from a vertically lower lowered position to the movement position that is higher than the lowered position; and at least one slotted roller (54, 55) is provided on the first roller element (50, 1050) in order to modify the height level of the first roller element (50, 1050), which slotted roller can roll along at least one ramp contour path (561a, 561b, 561c) having a contour that extends obliquely to the horizontal at least in some portions.

Description

[0001] The present invention relates to a sliding door with a frame and a sliding wing arranged so as to be movable relative to the frame, in particular in the frame, for opening and closing a passage of the frame, wherein the sliding wing is arranged in the frame so as to be vertically height-adjustable and horizontally movable relative to the frame.

[0002] The sliding panels of such sliding doors are also called lift / slide panels because they are vertically adjustable in height relative to the frame and are also arranged so that they can be moved horizontally. They are also usually equipped with multiple glazing and preferably have a continuous sash frame. Such sliding panels can be designed so that the lower frame profile can be retracted into the floor, at least in the closed position. This allows for a virtually frameless finish at the floor level.

[0003] Sliding panels are also manufactured for relatively large wall openings to allow the most unobstructed view possible from a room in a building to the outside. This requires sufficiently rigid profiles that can safely and torsionally accommodate the larger mass of such sliding panels. Unlike in the raised position, the movement of the panel is usually blocked in the lowered position, or at least significantly restricted compared to its movement in the raised position. It can be provided that the underside of the panel rests on the track in the lowered position, preferably immovably.

[0004] DE 1 559 725 A1 discloses a lifting fitting for the sash of a sliding window or sliding door. Rollers are attached to the bottom of the sash, rolling along a track of a guide rail that can be raised and lowered as a whole. To this end, webs on the guide rail slide into guides of a guide track with slanted guides that essentially form inclined planes. This principle was adopted in DE 10 2016 123 802, whereby individual sections of the guide rail are provided with wedge-like sections at the bottom that can be pulled up the inclined planes of a corresponding guide rail.

[0005] The disadvantage of both of these solutions is the high operating forces that have to be applied when lifting the lower guide rail, on which the sliding sash rolls with its rollers, due to the sliding friction that has to be overcome in the inclined planes provided to support and guide the lifting movement.

[0006] It is the object of the invention to break away from the principles of these writings and to take a different approach to solving this problem.

[0007] The invention solves this problem by the subject matter of claim 1.

[0008] The sliding door according to the invention is characterized, based on the features of the preamble, in that the sliding leaf itself has a lower rail-like, track-like running surface with which it can be horizontally displaced in a travel position on at least one first roller element relative to this first roller element, wherein the first roller element has / have one, two or more sliding rollers on which the horizontal displacement of the lifting-sliding element relative to the first roller element is possible.The height of the first roller element is vertically adjustable, so that the sliding sash, together with the first roller element, can be moved relative to the frame from a vertically lowered position to a higher position relative to the lowered position - and vice versa. In addition to the sliding roller(s), at least one cam roller is provided on the first roller element to accommodate a height change of the first roller element. This cam roller can roll along at least one corresponding ramp contour track with a contour that runs at least partially obliquely to the horizontal. The oblique section(s) of the cam roller are also referred to as a ramp or ramp section. The term "cam roller element" is also synonymous with "cam roller assembly."

[0009] In this document, the term "sliding door" also includes "sliding windows".

[0010] According to the invention, a roller assembly is no longer arranged with the wing on a lowerable guide rail having a track. Instead, the roller assembly is separated from the wing, which now has a track-like track directly on its underside. Surprisingly, it is no longer the track with the track that rolls, but rather the roller assembly separated from the wing, into a higher position and a lower position by rolling at least one cam roller on a ramp contour track configured in sections at an angle to the horizontal.

[0011] This brings significant advantages. Advantageously, only the rolling friction between the respective guide roller and the respective ramp, which is significantly lower in magnitude than static friction, needs to be overcome in order to jointly raise and lower the roller assembly and the sash displaceable thereon on another, non-lowerable, rail-like contour—on the ramp contour track. As a result, the energy required to move the sliding sash according to the invention from the lowered position to the sliding position is advantageously correspondingly low. Therefore, only a relatively low power is advantageously required for a motor drive for changing the height of the lifting-sliding element according to the invention.The functions of changing the height and moving the lift / slide element are advantageously separated from one another, so that the functional components - in particular the respective rollers - can be optimally designed for each respective function. Another advantage is that only one lower running surface needs to be formed on the sliding sash itself. The roller arrangement, on the other hand, does not have to be attached to the sash, which significantly simplifies the construction and installation of the sliding sash. The term "frame" should not be defined too narrowly. It can, but does not have to, be designed to be closed around its circumference. It can, but does not have to, have four sides that are at right angles to one another, and it can, but does not have to, be designed the same on all sides.

[0012] From a design perspective, it can be expediently provided that the ramp contour track is formed in a guide channel within a slotted profile, particularly such that the respective roller element is completely lowered into the guide channel in the lowered position. The guide channel can be arranged and / or formed in the frame—e.g., in a bottom rail of the frame—which is simple and advantageous. However, it can also be formed separately.

[0013] The ramp contour track and the roller element are movable relative to each other by rollers.

[0014] According to a first preferred embodiment, the ramp contour track can be designed to be stationary—in or on the frame—and the height-adjustable roller element can be raised horizontally and vertically by rolling along this ramp contour track, and then lowered again by rolling along it. This variant is structurally well-implemented and is characterized by trouble-free, safe operation.

[0015] However, according to another, equally preferred embodiment, it can alternatively be provided that the ramp contour track is designed to be movable, in particular, rolling, so that it can be moved past the height-adjustable roller element in such a way that one or more rollers of the first roller element run along their ramp sections, raising or lowering the first roller element. This variant is structurally easy to implement and is characterized by trouble-free, safe operation and a particularly defined, precise movement sequence.

[0016] The two embodiments described above are therefore each very advantageous and lead to a defined, uniform movement of the sliding sash when it moves from the lowered state to the raised state and vice versa.

[0017] It can be provided that only one (then first) roller element of claim 1 is provided. Alternatively, however, it can also be provided that at least one second roller element is provided, on which the sliding sash can be displaced horizontally with its lower rail-like running surface, wherein the second roller element has / have two or more sliding rollers on which the horizontal displacement of the lifting / sliding element relative to the second roller element is possible. In this case, it is expedient if the second roller element is aligned with the first roller element, at least in the travel position.

[0018] It can be provided that the height of the second roller element is also vertically adjustable. However, it is often sufficient if the height of the second roller element is not vertically adjustable. The sash can then be moved from its closed position to an open position on the second roller element. This does not then have to be lowerable itself. It is therefore at least advantageous that the contour of the guide track has ramps or ramp sections running obliquely to the horizontal, on which at least the first roller element can roll into the vertically lowered position and the relatively higher travel position.

[0019] It is advantageous and structurally simple if the first roller element and / or the second roller element each have a single-piece or multi-piece base body in which they are rotatably mounted. It is expedient and simple if the respective base body is designed as a base profile. This allows the function of changing the height of the lifting / sliding element to be advantageously concentrated in a compact assembly.

[0020] It can be provided that two or more of the sliding rollers and / or at least one of the link rollers are each rotatably mounted on a shaft which passes through the base body and that several of these shafts are provided with one or more of the sliding rollers and / or the one or more link rollers for each base body.

[0021] It is also practical and simple if the ramp contour track is arranged or formed in a fixed position in a channel of a floor beam of the frame.

[0022] It is structurally simple and contributes to a compact design if one of the link rollers is arranged coaxially to one or more of the guide rollers.

[0023] In a preferred variant, the two or more sliding rollers can be rotatably mounted on an axle, with the axle passing through two profile webs of a central section of the base profile and being fixed in the base profile by the profile webs. This results in a simple and therefore advantageous design that is also easy to install.

[0024] It has also proven advantageous if the respective sliding roller has a guide contour on its circumference, preferably with a V-shaped cross-section, and if a profile support of the sliding sash serves as the rail-like running surface. This can engage geometrically correspondingly with the guide contour, in particular with the V-shaped guide contour of the respective sliding roller. This allows the respective sliding roller, in addition to its load-bearing properties—i.e., absorbing the weight of the lifting / sliding element—to additionally and advantageously assume a guiding function for the lifting / sliding element.

[0025] In a further preferred embodiment, one of the cam rollers can be arranged coaxially with one or more of the guide rollers. This advantageously results in a simpler structure, since each shaft on which these rollers are arranged coaxially is used multiple times.

[0026] It is also advantageous if each guide roller has an L-shaped guide contour. This means that the respective guide roller only needs to be axially secured on the axle at one of its respective outer axial sides.

[0027] It can advantageously be provided that the ramp contour track has several ramps. If it has several ramps, it is advantageous if one of the cam rollers rolls on each of the ramps.

[0028] In this case, the inclination angle α of a respective ramp of the respective ramp contour track can be preferably 5° to 60°, and particularly preferably 20° to 40°. This advantageously results in a short and thus space-saving ramp, while at the same time ensuring that the slope to be overcome is not too steep, or that the downforce on the ramp is not too great.

[0029] It can advantageously be provided if a first trough is formed, for example incorporated, in the respective link profile at the foot of each ramp, which first trough geometrically corresponds to the diameter of the respective link roller in such a way that the latter rests in said lowering position, and / or if the link profile has a second trough at the peak of each ramp, wherein the second trough also geometrically corresponds to the diameter of the respective link roller in such a way that the latter rests in said lowering position. The troughs ensure that the link rollers are in a stable state of equilibrium both in the lowering position and, in particular, in the lowering position, so that a drive does not have to remain switched on continuously in order to hold the first roller element in the respective position. Rather, it can be switched off or on once the lowering or lowering position is reached.be de-energized, which has a beneficial energy-saving effect on the operation of the drive.

[0030] It is advantageous if the first roller element is coupled to a drive which is intended to roll it through or with the respective guide rollers on the respective ramp in order to move it from the lowering position into the travel position and vice versa.

[0031] However, the slide track can also be designed to be movable, in particular rolling, and coupled to a / the drive.

[0032] The drive can be designed as an electrically or fluidically operated lifting cylinder. The lifting cylinder can be arranged – preferably invisibly – in the floor beam.

[0033] This results in a sliding door that is easy to handle for the operator and a drive that is easy to integrate into the structure.

[0034] It is also advantageous if the sliding sash is sealed to a rebate space of an upper and / or lower horizontal frame member or the bottom member by seals, for example, two brush seals. This creates a flexible, robust, and advantageous seal with respect to the vertical movement of the lift-and-slide element, which occurs when the lift-and-slide element is raised from the lowered position to the extended position and vice versa when lowering it from the extended position to the lowered position.

[0035] Good thermal insulation is generally also desirable for such sliding sashes. The track rails of such sliding sashes can therefore – but do not have to – consist of at least two or more profiles, such as aluminum profiles, which are firmly connected to each other via heat-insulating bars – also called insulating bars. The separation by such bars, often made of plastic, enables effective thermal separation between the two profiles, each of which houses a sliding sash.

[0036] Further advantageous embodiments of the invention are the subject of the subclaims.

[0037] The invention also provides an advantageous method for moving a sliding leaf of a sliding door according to one or more of claims 1 to 34, wherein the height level of the second roller element is also vertically variable, wherein the sliding leaf is first brought from a lowered position into a raised position by raising the first roller element, is then moved from the first roller element to the second roller element, which is brought into an aligned position with the first roller element, and the second roller element is then brought with the sliding leaf into the lowered position of the second roller element. In this way, it is particularly ensured that the sliding leaf is lowered in such a way that its glass pane extends to the floor and such that it is secured against unintentional displacement.

[0038] Further advantages, features, and details of the invention will become apparent from the following description, in which several exemplary embodiments of the invention are explained in more detail with reference to the accompanying figures. The invention is not limited thereto, but also encompasses embodiments not shown in the figures but covered by the claims.

[0039] They show: Figure 1: in a) a schematic representation of a sliding door with a sliding leaf in lowered and closed position, in b) the lifting / sliding leaf from Fig. 1a in the travel position and closed position, in c) the sliding sash from Fig. 1a in the moving position and shifted position, in d) the sliding sash from Fig. 1a in the travel position and open position, in e) the sliding sash from Fig. 1a in lowered position and open position; Figure 2: a plan view in section of the sliding sash according to Fig. 1a oder Fig. 1b ; Figure 3: a side view in section of the sliding sash according to Fig. 1b , Fig. 1c oder Fig. 1d ; Figure 4: in a) a side view in section of the sliding sash according to Fig. 1a , in b) a front view in section to Fig. 4a ; Figure 5: in a) a side view in section of the sliding sash according to Fig. 1b , in b) a front view in section to Fig. 5a ; Figure 6: in a) a side view in section of the sliding sash according to Fig. 1a or Fig. 1e , in b) a side view in section of the sliding sash according to Fig. 1a or Fig. 1e , in c) a front view in section to Fig. 6a, 6b ; Figure 7: in a) a side view in section of the sliding sash according to Fig. 1a , Fig. 1c oder Fig. 1d , in b) a side view in section of the sliding sash according to Fig. 1a , Fig. 1c oder Fig. 1d , in c) a front view in section to Fig. 7a, 7b ; Figure 8: a front view of a link profile; Figure 9: in a) a side view of elements of a lower area of ​​a further sliding sash in a lower travel position and in b) the arrangement from a) in a higher travel position; Figure 10: in a) an exploded view of some elements of the lower area of ​​the further sliding sash and in b) a further exploded view of the elements from a), supplemented by rollers in a lower travel position; Figure 11: in a) a further side view and in b) a plan view of elements of a lower area of ​​a further sliding sash.

[0040] The position and location designations used below, such as "on", "vertical", "horizontal", "right", "left" refer to the drawing plane of the respective figure.

[0041] Fig. 1a shows a sliding door which has a frame 300 inserted into a wall opening, in which a wing is slidably guided, and which is also referred to synonymously as a lifting / sliding wing 1 or briefly as a sliding wing 1.

[0042] The frame 300 is installed in a wall opening. The sliding sash 1 is guided in it. This is in Fig. 1a shown in a closed position, in which the sliding sash 1 closes a passage D through the frame 300 and the wall opening. In addition to the illustrated lift-slide element 1, as shown in the Figuren 1a bis 1e shown - a fixed glazing element 2 may be provided. However, one or more additional sliding sashes 1 may also be arranged (not shown) in the frame or in the wall opening.

[0043] Adjacent to the wall opening in the frame 300 is a horizontal guide channel 3 which extends below a floor level, which is marked here with "OKFF" (" O about k ante F finished f floor"). The sliding sash 1 can be in a lowered position as shown in Fig. 1a shown, be lowered into the guide channel 3, for example in such a way that in the lowered position a lower frame profile (not shown here, see Fig. 3 ) of the sliding sash 1 is not visible.

[0044] The sliding sash 1 is movable relative to and on a first, height-adjustable roller element 50. For this purpose, it has a rail-like running surface LF on its underside.

[0045] The sliding sash 1 can be adjusted by changing the height of the first roller element 50, which Fig. 1b , Fig. 1c und Fig. 1d shown and which will be described in detail later - from the guide channel 3 - i.e. from a lowered position - into a travel position on the floor level OKFF. From the travel position, the sliding sash 1 can be moved from the Fig. 1a shown, closed position into a shifted position opening the passage D - as in Fig. 1d shown. For this purpose, the guide channel 3 here has a second roller element 60, which is aligned with the first roller element 50. The first roller element can be approximately as long as the wing. However, it can also be shorter or, in particular, longer than this. It can even be so long that no additional roller element is required, but rather that the wing can be moved into the oven position directly on the single roller element.

[0046] In Fig. 1c It is shown how the sliding sash 1 has left the closed position in the travel position and has been moved towards the fixed glazing 2. In this case, a part of the lifting-sliding element 1 is guided on the first roller element 50 and another part of the lifting-sliding element 1 is guided on the second roller element 60, which - as in Fig. 1e shown - can optionally also change its height level.

[0047] In Fig. 1d The sliding sash 1 has reached the open position in its travel position. In Fig. 1e It is shown that the sliding sash 1 can optionally also be lowered into a lowering position in the open position.

[0048] In Fig. 2 is a plan view in section of the sliding sash 1 according to Fig. 1a oder Fig. 1b shown. A frame 300 is inserted into the wall opening, of which the two lateral vertical frame members 310, 320 are shown here. A central vertical frame member 350, which belongs to a fixed glazing unit, is also shown in section. Furthermore, a floor member 330 is shown, which can preferably be designed with its upper edge flush with the floor level (OKFF) – to enable advantageous barrier-free passage – and can thus be fully accommodated by the guide channel 3.

[0049] The left vertical frame member 310 and the right vertical frame member 320 can each have two shells 311, 312 and 321, 322, respectively, which are connected to each other via insulating webs 313, 323. The shells 311, 312 and 321, 322 can - as in Fig. 2 shown—made from geometrically identical profiles. This is advantageous but not mandatory. The shells 311, 312 and 321, 322 can have one or more hollow chambers. The insulating webs 313, 323 are preferably made of a plastic material. The shells 311, 312 and 321, 322 are preferably made of a light metal by an extrusion process. Alternatively, the shells 311, 312 and 321, 322 can also be made of a different material and / or by a different manufacturing process.

[0050] The resulting lateral vertical frame members 310, 320 of the frame 300 each have an E-shaped cross-sectional geometry, which are arranged mirror-inverted to each other in the finished frame 300. A first left rebate space 314 and a second left rebate space 315, as well as a first right rebate space 324 and a second right rebate space 325, can each be closed with a lockable cover profile 316, 326.

[0051] In the example of Fig. 2 In the area of ​​the fixed glazing 2, the second right rebate space 325 of the right vertical frame member 320 is closed with the cover profile 326, while in the area of ​​the sliding sash 1, the first left rebate space 314 of the left vertical frame member 310 is closed with the cover profile 316. The cover profile 316, 326 is preferably made of a light metal using an extrusion process. Alternatively, the cover profile 316, 326 can also be made of a different material and / or using a different manufacturing process.

[0052] The fixed glazing 2 is inserted into a frame 200. The rebate spaces 211, 221 of the frame 200 are sealed against the environment with elastic seals that each fit snugly against the fixed glazing 2.

[0053] A left vertical edging profile 210 and a right vertical edging profile 220 of the frame 200 of the fixed glazing 2 are shown here. The frame 200 of the fixed glazing 2 can have additional edging profiles. For example, an upper and a lower edging profile (neither shown here) would be conceivable. The edging profile 210, 220 is preferably made of a plastic material using an extrusion process. Alternatively, the edging profile 210, 220 can also be made of a different material and / or using a different manufacturing process.

[0054] The fixed glazing 2 engages with its right vertical edging profile 220 of the edging frame 200 into the second right rebate space 325 of the right vertical frame member 320. The resulting gaps between the edging profile 220 and the rebate space 325 are each sealed with a sealing profile.

[0055] Here, the fixed glazing 2 further engages with its left vertical edging profile 210 into a rebate space 351 formed by the centrally arranged vertical frame member 350. The centrally vertical frame member 350, together with the cover profile 316, which closes the first left rebate space 314 in the area of ​​the left vertical frame member 310, delimits the passage D.

[0056] A frame retaining profile 352 is inserted into the rebate space 351 of the centrally arranged vertical frame member 350 and is preferably firmly connected to the frame member 350. The firm connection can be established by a material-to-material connection, such as gluing. The left vertical frame profile 210 of the frame 200 of the fixed glazing 2 is inserted into the frame retaining profile 352 and firmly connected to the frame retaining profile 352 via one or more form-fitting connections. The resulting gaps are sealed by appropriate sealing profiles.

[0057] A glazing of the sliding sash 1 is inserted into a sash frame 100. The rebate spaces 111, 121 of the sash frame 100 are sealed against the environment with elastic seals that fit snugly against the glazing.

[0058] A left vertical sash frame profile 110 and a right vertical sash frame profile 120 are shown here for the sash frame 100 of the glazing of the sliding sash 1. The sash frame 100 of the glazing of the lift-and-slide element 1 can have additional sash frame profiles. For example, an upper horizontal sash frame profile 140 and a lower horizontal guide frame profile (not shown here, see Fig. 3 ). The sash frame profiles 110, 120, 140, 150 are preferably made of a plastic material through an extrusion process. Alternatively, the sash frame profiles 110, 120, 140, 150 can also be made of a different material and / or through a different manufacturing process.

[0059] The glazing of the sliding sash 1 engages with its left vertical sash frame profile 110 into the second left rebate space 315 of the left vertical frame stile 310. The left vertical sash frame profile 110 can be provided with a protective cap 111, which is snapped onto the sash frame profile 110 here. The resulting gaps between the sash frame profile 110 and the rebate space 315 are each sealed with a sealing profile.

[0060] The glazing of the sliding sash 1 further engages with its right vertical sash frame profile 120 into a rebate space 131 which is formed by a closing profile 130.

[0061] A retaining profile 132 is inserted into the rebate space 131 of the end profile 130 and is preferably firmly connected to the end profile 130. The fixed connection can be established by a material-to-material connection, such as gluing. The right vertical sash frame profile 120 of the glazing of the sliding sash 1 is inserted into the retaining profile 132 and firmly connected to the retaining profile 132 via one or more form-fitting connections. The resulting gaps are sealed with appropriate sealing profiles.

[0062] In Fig. 3 A cross-sectional side view of the sliding sash 1 is shown. The bottom beam 330 and an upper cross beam 340 of the frame 300 are shown here.

[0063] The upper cross member 340 can be similar to the left vertical frame member 310 (see Fig. 2 ) and the right vertical frame beam 320 (see also Fig. 2 ). This is advantageous, but not mandatory. In contrast to the vertical frame members 310, 320, the upper cross member 340 has in each case in a first shell 341 and in a second shell 342 at least one or as in Fig. 3 shown- several guide surfaces 343, 344.

[0064] The guide surfaces 343, 344 are part of a guide bearing 40 of the sliding sash 1. It should be noted at this point that the guide bearing 40 of the sliding sash 1 merely guides along the guide surfaces 343, 344 when moving from the closed position to the open position, but does not support it, i.e., in particular, it does not absorb the weight of the sliding sash 1. With regard to the movement of the lift-and-slide element 1, the guide bearing 40 accordingly operates according to the principle of a loose bearing.

[0065] The guide bearing 40 can have one or more guide carriages 41, on which at least one or more—here two—guide rollers 42, 43 are rotatably mounted. These rollers can roll on the guide surfaces 343, 344 and thereby guide the sliding sash 1 in the upper area during sliding. The sliding sash can thus also have a guide relative to the frame in its upper area and, if necessary, a sliding drive.

[0066] For this purpose, the sliding sash 1 is connected to the guide carriage(s) 41 via a profile rail 44 and a bolt 45. The profile rail 44 can be positively connected to the upper horizontal sash frame profile 140 in a direction perpendicular to the sliding direction, so that a fixed connection is created during the stroke from the lowering position to the moving position.

[0067] A belt lock 46 can be integrated into the guide carriage 41, with which a belt (not shown here) of a belt-driven transmission is secured to the guide carriage 41, so that the guide carriage 41 can be moved by actuator via the belt-driven transmission. Preferably, the belt is a toothed belt and the actuator is an electric motor.

[0068] The glazing of the lift-and-slide element 1 engages in a rebate space of the upper horizontal sash frame profile 140 and is sealed from the environment by sealing profiles. Furthermore, the glazing of the lift-and-slide element 1 is sealed from a rebate space 345 of the second shell 342 of the upper horizontal frame member 340 by two brush seals 346, 347. This creates a flexible, robust, and advantageous seal with respect to a vertical movement of the lift-and-slide element 1, which occurs when the lift-and-slide element 1 is raised from the lowered position to the extended position and vice versa when it is lowered from the extended position to the lowered position.

[0069] The rebate space 348 of the first shell 341 is closed in the area of ​​the passage D by a lockable cover profile 349.

[0070] The floor beam 330 can - as in Fig. 3 shown- analogous to the left vertical frame beam 310 (see Fig. 2 ) and the right vertical frame beam 320 (see also Fig. 2 ). This is advantageous, but not mandatory.

[0071] Accordingly, the base beam 330 can have two shells 331, 332, which are each connected to each other via an insulating web 333. The shells 331, 332 can be - as in Fig. 3 shown—made from geometrically identical profiles. This is advantageous but not mandatory. The shells 331, 332 can have one or more hollow chambers. The insulating web 333 is preferably made of a plastic material. The shells 331, 332 are preferably made of a light metal by an extrusion process. Alternatively, the shells 331, 332 can also be made of a different material and / or by a different manufacturing process.

[0072] The bottom beam 330 of the frame 300 thus formed has an E-shaped cross-sectional geometry. A left rebate space 334 is closed here with a lockable cover profile 335, which forms the floor of the passage D. A right rebate space 336 accommodates the first, height-adjustable roller element 50 and the second roller element 60 (not shown here, see Fig.4b ) on.

[0073] The floor beam 330 is preferably inserted into the guide channel 3 such that the floor beam 330 is completely received by the guide channel 3 and is therefore advantageously not visible from the outside.

[0074] The first, height-adjustable roller element 50 is shown here in section. The first roller element 50 - shown here in the travel position - has a base profile 51. In the base profile 51, at least two, here several sliding rollers 52 are each rotatably mounted by an axle 53 in a central section 511 of the cross section. The axle 53 passes through two profile webs 511, 512 of the central section 511 and is fixed by the profile webs 511, 512 in the base profile 51. The two profile webs 511, 512 correspond geometrically to a corresponding groove 337 of the base beam 330. The groove 337 is intended to accommodate the profile webs 511, 512 and an outer region of the respective sliding roller 52 in the lowered position of the lifting-sliding element 1 (see, for example, Fig. 4a ).

[0075] The sliding roller 52 has a guide contour 521 on its circumference, which preferably has a V-shaped cross-section. The cross-section can alternatively also have a different geometry. A U-shaped cross-section, for example, would also be conceivable. This allows the sliding roller 52, in addition to its load-bearing properties—i.e., absorbing the weight of the lifting / sliding element 1—to also assume a guiding function for the lifting / sliding element 1. "Guiding" here means that the sliding sash 1 is deprived of so many degrees of freedom of movement in space by guide surfaces 343, 344, 42 or by the guide contour 521 of the sliding roller 52 that only an essentially linear movement of the lifting / sliding element 1 from the closed position to the open position in or on the sliding rollers 52 is possible.

[0076] For this purpose, a profile support 151—here attached to a lower horizontal sash frame profile 150 of the sliding sash 1—engages geometrically correspondingly with the V-shaped guide contour 521 of the respective sliding roller 52. Alternatively, the profile support 151 can also be integrally formed on the lower horizontal sash frame profile 150.

[0077] Furthermore, at least one, here two, link rollers 54, 55 are rotatably mounted on each of the two free ends of the respective axle 53, which are each secured against axial displacement on the axle 53 in the axial direction by a shaft locking ring. In this respect, the respective guide roller 52 and the two respective link rollers 54, 55 are arranged coaxially to one another. This is advantageous, but not mandatory. It is also conceivable, for example, for the axle 53 to be offset, so that the respective corresponding link rollers 54, 55 are not arranged coaxially to the respective sliding roller 52.

[0078] The respective guide rollers 54, 55 each have an L-shaped guide contour, reminiscent of a railway wheel, with the guide contours preferably arranged in pairs, mirroring each other. With the guide contours, the guide rollers 54, 55 each roll on at least one, here two, guide profile(s) 56a, 56b, which are fixedly mounted in the base member, for example, in the second shell 332 of the base member 330. The guide profiles 56a, 56b are attached here by screws, but the attachment can also be implemented differently.

[0079] In Fig. 4a The first roller element 50 is shown in the lowered position. The glazing of the lift-and-slide element 1 is sealed from the environment by brush seals 338, 339 in relation to the right-hand rebate space 336 of the floor beam 330. The two brush seals 338, 339 each nestle against the lower horizontal guide frame profile 150 of the glazing of the lift-and-slide element 1. This creates a flexible, robust, and advantageous seal with respect to a quasi-vertical movement of the lift-and-slide element 1, which occurs when the lift-and-slide element 1 is raised from the lowered position to the travel position and vice versa when it is lowered from the travel position to the lowered position.

[0080] In the lowered position of the sliding sash 1, the lower horizontal guide frame profile 150 is completely located within the right-hand rebate space 336, so it is not visible from the outside. This creates a visually appealing and thus advantageous "glass-only" appearance of the sliding sash 1 in the lowered position.

[0081] It can be seen that the sliding roller 52 engages the groove 337 of the right shell 332 of the base beam 330. Furthermore, the base profile 51 is supported by two additional profile webs on the right shell 332 of the base beam 330. The two guide rollers 56a, 56b rest on the respective guide profiles 54, 55.

[0082] In Figur 4b the base beam 330 is shown in section. For clarity, the illustration is rather schematic. The first, height-adjustable roller element 50 and the second roller element 60 are visible. The base profile 51 of the first roller element 50 is coupled to a drive here. The drive is designed as an electric lifting cylinder 57. Accordingly, the base profile 51 is articulated to a piston rod of the electric lifting cylinder 57. The electric lifting cylinder 57 is attached to the base beam 330 with its end facing away from the piston rod. The electric lifting cylinder 57 is dimensioned such that it is arranged or housed in a rebate space 336 of the base beam 330 - here on the right - and is not visible from the outside.

[0083] Furthermore, one of the guide profiles 56a and several of the sliding rollers 52 and the guide rollers 55, 54 are shown. The guide profiles 56a, 56b each have at least one, preferably several, ramps 561a, 561b, 561c. The angle of inclination α of the respective ramp 561a, 561b, 561c is preferably 5 to 60° and particularly preferably 20° to 40°.

[0084] At the foot of each ramp 561a, 561b, 561c, a first recess 562a, 562b, 562c is incorporated into the respective guide rail profile 56a, 56b. The respective first recess 562a, 562b, 562c corresponds geometrically to the diameter of the respective guide rail roller 54, 55 and enables the respective guide rail roller 54, 55 to maintain a stable equilibrium in the lowered position of the first roller element 50 shown here.

[0085] Furthermore, the link profile 56a, 56b has a second trough 563a, 563b, 563c at the "peak" of the ramp 561a, 561b, 561c. The second trough 563a, 563b, 563c also corresponds geometrically to the diameter of the respective link roller 54, 55 and allows the respective link roller 54, 55 to Fig. 5b shown travel position of the first roller element 50 a stable equilibrium.

[0086] The drive for lifting the roller element and the sash, here the preferably electric lifting cylinder 57, is provided to move the base profile 51 - and thus the sliding sash 1 - by means of the respective link rollers 54, 55, which roll on the respective ramp 561a, 561b, 561c, in order to move the first roller element 50 from the lowered position (cf. Fig. 4b ) into the travel position (see Fig. 5b ) and vice versa.

[0087] Advantageously, only the rolling friction between the respective guide roller 54, 55 and the respective ramp 561a, 561b, 561c, which is significantly lower in magnitude than the static friction, needs to be overcome. Since both can preferably be made of a metallic material, such as steel, the rolling friction or rolling resistance of the individual guide roller 54, 55 is correspondingly low. This advantageously allows the electric lifting cylinder 57 to be dimensioned to be correspondingly small in terms of its power. Likewise, the energy required to move the sliding sash 1 from the lowered position to the sliding position is advantageously correspondingly low.

[0088] Furthermore, the first troughs 562a, 562b, 562c and the second troughs 563a, 563b, 563c ensure that the link rollers 54, 55 are in a stable equilibrium state both in the lowering position and, in particular, in the moving position, so that the electric lifting cylinder 57 does not have to remain continuously switched on to securely hold the first roller element 50 in the respective position. Rather, it can be switched off or de-energized once the lowering or moving position is reached, which has an advantageous energy-saving effect on the operation of the electric lifting cylinder 57.

[0089] In Fig. 4b The second roller element 60 is also shown. The structure of the second roller element 60 is analogous to the first height-adjustable roller element 50, but without the height-adjustable devices, i.e., without the link profiles 56a, 56b, the link rollers 54, 55, and the electric lifting cylinder 57. Therefore, the second roller element 60 is preferably permanently located at a height level of the travel position. Alternatively, the second roller element 60 can also be height-adjustable (see Fig. 1e ).

[0090] In Fig. 5a and Fig. 5b The sliding sash 1 is shown in the travel position. Accordingly, the respective guide rollers 54, 55 are located in the second recesses 563a, 563b, 563c at the "peak" of the respective ramp 561a, 561b, 561c.

[0091] In Fig. 6a In addition to the lift-slide element 1, the fixed glazing 2 is also shown. The sliding sash 1 is in the lowered position (see Fig. 4a ). The fixed glazing 2 rests with a lower horizontal edging profile 230 in the left rebate space 334 of the floor member 330, also on a base profile 51, which, however, is not height-adjustable here.

[0092] In Fig. 6b the sliding sash 1 is in the lowering position (see Fig. 4a ) and passage D are shown.

[0093] In Fig. 6c the sliding sash 1 and the first roller element 50 are in the lowering position (see Fig. 4b ) and the second roller element 60 are shown.

[0094] In Fig. 7a In addition to the lift-slide element 1, the fixed glazing 2 is also shown. The sliding sash 1 is in the moving position (see Fig. 5a ). The fixed glazing 2 rests with its lower horizontal edging profile 230 in the left rebate space 334 of the floor member 330, also on a base profile 51, which, however, is not height-adjustable here.

[0095] In Fig. 7b the sliding sash 1 is in the travel position (see Fig. 5b ) and passage D are shown.

[0096] In Fig. 7c the sliding sash 1 and the first roller element 50 in the moving position as well as the second roller element 60 are shown.

[0097] In Fig. 8 A section of the link profile 56a, 56b and the link rollers 54, 55 are shown. The first troughs 562a, 562b, 562c and the second troughs 563a, 563b, 563c as well as the ramp 561a, 561b, 561c located between them are visible. The link rollers 54, 55 are shown here as an example twice in the lowered position and once in the moved position of the sliding sash 1. They are located in the first trough 562a, 562b, 562c - characterizing the lowered position - and in the second trough 563a, 563b, 563c - characterizing the moved position - and are thus in a stable equilibrium.

[0098] The Fig. 9 - 11 show lower elements - in particular a lower frame area - of a further sliding door 1 with a frame 300 and a lifting and sliding wing 1 - again also called sliding wing for short - which is arranged to be movable relative to the frame 30, for opening and closing a passage D of the frame 300, wherein the sliding wing 1 is arranged in the frame 300 so that it can be vertically adjusted in height relative to the latter and can also be moved horizontally.

[0099] This sliding door 1 can, for example, essentially be designed according to the type of Fig.1 and 2 be constructed in their upper areas, but lower elements of this sliding door in other, in the Fig. 9 bis 11 , structured manner.

[0100] As in Fig. 9 As can be seen, the lifting and sliding wing 1 of this embodiment also has a lower rail-like, track-like running surface LF, with which it can be horizontally displaced in a travel position on at least one first roller element 1050 relative to this first roller element, wherein the first roller element 1050 has one, two or more sliding rollers 1052 on which the horizontal displacement of the sliding wing 1 relative to the first roller element 50 is possible. The roller element has a base body such as a base profile 1051.

[0101] The respective sliding rollers 1052 can be mounted or placed on a number of first axes 1053a corresponding to their number—here approximately centrally—and rotatably mounted thereon. These first axes 1053a can each be held at their ends in two side walls of the base profile 1051. It can then be provided that upper peripheral edge regions of the sliding rollers 1052 protrude through window-like openings on the upper side of the base profile 1051. The sliding sash 1 can be displaced horizontally in the travel position on these peripheral edge regions of the sliding rollers 1052. For this purpose, the sliding sash 1 must have been raised with the roller element 1050 from its lowered position into the upper travel position.

[0102] For this reason, the vertical height position of the first roller element 1050 can in turn be changed vertically, so that the sliding sash 1 together with the first roller element 1050 can be brought relative to the frame 300 from a vertically lowered position into the higher travel position relative to the lowered position.

[0103] According to the example, the Fig. 9 bis 11 It is provided that the first height-adjustable roller element 1050 itself can only be raised and lowered vertically, but not horizontally, which is sufficient for a height adjustment of the first roller element.

[0104] For a height level change of the first height-adjustable roller element 1050, Fig. 9 bis 11 In addition to the sliding rollers 1052, several, here three, cam rollers 1054a, 1054b, and 1054c are provided on the first roller element 1050. These are arranged on second axes 1053b. The first axes 1053a and the second axes 1053b can each be provided multiple times and alternately in the direction of displacement. They can be held at their ends in the side walls of the base profile 1051.

[0105] After Fig. 9 bis 11 It can further be provided that the sliding rollers 1052 have a larger diameter than the link rollers 1054a, b, c. The first axes 1053a of the sliding rollers 1052 can also be held at a higher location in the base profile 1051 in the vertical direction than the second axes of the link rollers 1054a, b, c.

[0106] The sliding rollers 1052 and the middle link rollers 1054b can roll on at least one corresponding ramp contour track with ramps 1561a, 1561b, 1561c of a link body or profile 1056.

[0107] The first axes 1053a and the second axes 1053b are preferably not moved horizontally. Rather, they are only movable vertically up and down. The respective sliding and / or cam rollers 1052, 1054a, b, c can be rotatably mounted on them.

[0108] To implement this, the first axes 1053a and / or the second axes 1053b and / or - as here - the two link rollers 1054a, c are each guided in vertically aligned tracks 1331, 1332 of a floor beam 1330. The preferred function of the two link rollers 1054a, c is to roll up and down in these tracks.

[0109] The tracks can be formed by elongated holes or by slots extending vertically in an element of the floor profile, e.g., in a floor beam 1330. The tracks 1331, 1332 can be open at the top. To form the tracks, vertical slots can be formed, for example, in the floor beam 1330.

[0110] The link profile 1056 is preferably designed to be rollable like a carriage. It can have one or preferably several rollers 1058 on which it is arranged to roll on its underside. In this way, it can be moved horizontally, especially when the drive 57 - analogous to Fig. 7 - is hinged to the guide profile 1056. The guide profile can then be moved horizontally in the sliding direction of the sliding door 1 using the drive 57.

[0111] If the link profile 1056 is moved horizontally in this way, its ramp contour path, with the preferably several inclined ramps 1056a, b, c, d, e, which are designed like inclined planes, is moved horizontally beneath the central link roller 1054b and the sliding roller 1052, so that one or both of these rollers roll along the ramp contour path 1056. Since the first and second axes—which are held in the vertical tracks 1331, 1332 of the base beam 1330 of the base profile—can only move vertically, the roller element 1050 is adjusted, i.e., raised or lowered, according to the given ramp height. The sliding rollers 1052 follow this movement. In this way, the entire height-adjustable roller element 1050, including the sliding sash 1, can be easily raised or (in the reverse movement sequence) lowered again.

[0112] In the raised position of the roller element 1050, the sliding sash 1 can again be moved horizontally on the sliding rollers 1052 of the first roller element protruding through the base profile and can be shifted, for example, onto a second roller element 60.

[0113] The roller-displaceable ramp contour track with the ramps 1561a, 1561b, 1561c can be formed and arranged in a floor beam 1330 or a section of the floor beam 3.

[0114] After Fig. 9 bis 10 Only a single slide profile 1056 is provided. The term "slide profile" should not be defined too narrowly in this context. The slide track with the ramps 1056a, b, and c can, for example, also be incorporated into a plate. This is also understood to be a slide profile in the context of this document.

[0115] The slide track preferably has several, here, five, ramps 1561a, b, c, d, e extending obliquely to the horizontal and obliquely to the vertical. As in other embodiments, troughs 1562 can also be provided at the upper and / or lower points of the ramp contour track 1560 in order to define one or more positions for the sliding rollers 1052 and / or one of the guide rollers.

[0116] According to this embodiment, the entire link profile 1056 with the ramp contour track with the ramps 1561a, b, c is movably arranged in the guide channel 3 and can be moved past the height-adjustable roller element 50 with the rolling guide roller 1052 and the rolling link rollers 1054b in order to raise and lower this roller element 1050 in a rolling manner, preferably vertically or perpendicularly to the horizontal.

[0117] For this purpose, the ramp contour track - as in Fig. 6 The base profile 50 can be displaced by a drive 57. For this purpose, the drive can be designed, for example, as a lifting cylinder and be hinged to one end of the base profile 100 (not shown).

[0118] For this purpose, the link profile 1056 can also be mounted on its own rollers 1058 in the guide channel 3 so that it can be moved more easily than if it were mounted on plain bearings.

[0119] In this embodiment, at least one second roller element 60 can be provided, onto which and on which the sliding wing 1 can be displaced horizontally with its lower rail-like running surface, wherein the second roller element has / can have two or more sliding rollers 52, on which the horizontal displacement of the sliding wing 1 relative to the second roller element 60 is possible (not shown here, as in Fig. 1 ).

[0120] Thus, the ramp contour track is further designed to be rollingly displaceable and it can be moved past the height-adjustable (first) roller element 1052 with the at least one or more rolling guide rollers 1054a, bc, and the at least one or more sliding rollers 1052 in order to raise and lower the first roller element 1050 as a whole in a rolling manner.

[0121] The embodiment of the Fig. 9 bis 11 is characterized in particular by the fact that the structural design is simple and that the first roller element 1050 is safely guided vertically with a small tolerance in order to define and achieve the lowering position and the travel position. Bezugszeichenliste

[0122] 1Lift-slide element 2Fixed glazing 3Guide channel 40Guide bearing 41Guide carriage 42Guide roller 43Guide roller 44Profile rail 45Bolt 46Belt lock 50Roller element 51Base profile 511Middle section 512Profile web 513Profile web 52Sliding roller 521Guide contour 53Axis 54Coil roller 55Coil roller 541, 551Guide contour 56a, 56bCoil profile 561a, 561b, 561cRamp 562a, 562b, 562cTrough 563a, 563b, 563cTrough 57Drive 60Roller element 100Sash frame 110Vertical sash frame profile 111Rebate space 112Protective cap 120vertical sash frame profile 121rebate space 130end profile 131rebate space 132holding profile 140upper horizontal sash frame profile 150Lower horizontal sash frame profile 151Profile support 200Frame 210Vertical edging profile 211Rebate space 220Vertical edging profile 221Rebate space 230Horizontal edging profile 300Frame 310Vertical frame spar 311Shell 312Shell 313Insulating bar 314Rebate space 315Rebate space 316Cover profile 320vertical frame spar 321shell 322shell 323insulating bar 324rebate space 325rebate space 326cover profile 330Floor rail 331Shell 332Shell 333Insulating bar 334Rebate space 335Cover profile 336Rebate space 337Groove 338Brush seal 339Brush seal 340Upper cross member 341Shell 342Shell 343Guide surface 344Guide surface 345Rebate space 346Brush seal 347Brush seal 348Rebate space 349Cover profile 350vertical frame spar 351rebate space 352edge frame retaining profile 1050Roller element 1051Base profile 1052Sliding roller 1053a, bAxis 1054a, b, cSliding roller 1056Sliding profile 1561a, 1561b, 1561cRamp 1058Running rollers 1330Bodenholm 1331, 1332Bahnen OKFFFloor level DPassage ANtillation angle LF Running surface

Claims

1. Sliding door having a. a frame (300) and a sliding wing (1) arranged so as to be movable relative to the frame for opening and closing a passage D of the frame (300), b. wherein the sliding wing (1) is arranged in the frame (300) so as to be vertically height-adjustable and horizontally movable relative thereto, characterized in that c. the sliding wing (1) has a lower rail-like, track-like running surface (LF) with which it can be moved horizontally in a displacement position on at least one first roller element relative to this first roller element, wherein the first roller element (50, 1050) has one, two or more sliding rollers (52, 1052) on which the horizontal displacement of the lifting / sliding wing (1) relative to the first roller element is possible, d. the height level of the first roller element (50, 1050) can be changed vertically so that the sliding wing, together with the first roller element (50, 1050), can be moved relative to the frame (300) from a vertically lower lowered position to a higher position relative to the lowered position, e. wherein, to change the height level of the first roller element (50, 1050), at least one slide roller (54, 55) is provided on the first roller element (50, 1050), which can roll on at least one corresponding ramp contour track (561a, 561b, 561c) with a contour that runs at least partially at an angle to the horizontal.

2. Sliding door according to claim 1, characterized in that the ramp contour track (561a, 561b, 561c) is formed in a slide profile (56a, 56b) in a guide channel (3).

3. Sliding door according to claim 1 or 2, characterized in that at least one second roller element (60) is provided, on which the sliding wing (1) can be moved horizontally with its lower rail-like running surface (LF), wherein the second roller element (60, 1060) has two or more sliding rollers (52, 1052) on which the horizontal displacement of the sliding wing (1) relative to the second roller element is possible.

4. Sliding door according to claim 1, 2 or 3, characterized in that the ramp contour track is fixed and the height-adjustable roller element (50, 1050) can be pulled up horizontally and vertically by rolling on top of it and lowered by rolling on it.

5. Sliding door according to claims 1, 2 or 3, characterized in that the ramp contour track is movably designed and can be moved past the height-adjustable roller element (1050) in order to raise and lower this roller element (1050).

6. Sliding door according to claims 4 or 5, characterized in that the second roller element (60) is aligned with the first roller element at least in the travel position.

7. Sliding door according to one of claims 2 to 6, characterized in that the height level of the second roller element (60) is vertically adjustable or in that the height level of the second roller element (60) is not vertically adjustable.

8. Sliding door according to one of the preceding claims, characterized in that the first roller element (50, 1050) and / or the second roller element (60) each have a base body in which their sliding rollers are rotatably mounted.

9. Sliding door according to claim 8, characterized in that the respective base body is designed as a base profile (51).

10. Sliding door according to one of the preceding claims, characterized in that two or more sliding rollers (52, 1052) are in each case rotatably mounted on an axle (53) which passes through the base body (51).

11. Sliding door according to claim 10, characterized in that each sliding wing has two or more of the axles (53) with the sliding rollers (52, 1052).

12. Sliding door according to one of the preceding claims, characterized in that the ramp contour track (561a, 561b, 561c) is fixedly arranged in a channel of a bottom rail (330) of the frame (300).

13. Sliding door according to claim 11, characterized in that the ramp contour track (561a, 561b, 561c) is formed in a slide profile (56a, 56b) which is fixedly arranged in the bottom rail (330) of the frame (300).

14. Sliding door according to one of the preceding claims 12 or 13, characterized in that the slide track has ramps (1056a, b, c) extending obliquely to the horizontal, on or at which at least the first roller element (50, 1050) can be rolled into the vertically lower lowered position and the higher travel position relatively thereto.

15. Sliding door according to one of the preceding claims, characterized in that one of the slide rollers (54, 55) is arranged in each case coaxially with one of the sliding rollers (52, 1052).

16. Sliding door according to one of the preceding claims, characterized in that the sliding rollers (1052) are arranged on the height-adjustable roller element (150) on one or more first axles (1053a) and in that the one or more slide rollers (1054a, b, c) are arranged on the height-adjustable roller element on one or more second axles (1053b) which are offset in position relative to the first axles (1053a).

17. Sliding door according to one of the preceding claims, characterized in that that the respective sliding roller (52, 1052) has one respective guide contour (52, 10521) on its circumference and in that a profile support (151) of the sliding wing (1) serves as the rail-like running surface (LF) and in that this engages geometrically correspondingly in the guide contour (52, 10521) of the respective sliding roller (52, 1052).

18. Sliding door according to one of the preceding claims, characterized in that the profile support (151) is fastened as a separate element to a lower horizontal wing frame profile (150) of the sliding wing (1).

19. Sliding door according to one of the preceding claims, characterized in that the profile support (151) is integrally formed on the lower horizontal wing frame profile (150) of the sliding wing (1).

20. Sliding door according to one of the preceding claims, characterized in that the respective slide roller (54, 55) has an L-shaped guide contour.

21. Sliding door according to one of the preceding claims, characterized in that the ramp contour track has several of the ramps.

22. Sliding door according to one of the preceding claims, characterized in that the angle of inclination α of a respective ramp of the respective ramp contour track (561a, 561b, 561c) is preferably 5° to 60° and particularly preferably 20° to 40°.

23. Sliding door according to one of the preceding claims, characterized in that at the foot of each ramp (561a, 561b, 561c) a first recess (562a, 562b, 562c) is formed in each case in the respective slide profile (56a, 56b), which preferably corresponds geometrically to the diameter of the respective slide roller (54, 55) so that the latter lies in it in the lowered position.

24. Sliding door according to one of the preceding claims, characterized in that the slide profile (56a, 56b) has in each case a second recess (563a, 563b, 563c) at the apex of the ramp (561a, 561b, 561c), wherein the respective second recess (563a, 563b, 563c) corresponds geometrically to the diameter of the respective slide roller (54, 55) so that the latter can lie in it in the travel position.

25. Sliding door according to one of the preceding claims, characterized in that the first roller element (50, 1050) is coupled to a drive which is provided to roll this roller element via the respective slide rollers (54, 55) on the respective ramp (561a, 561b, 561c) in order to move the first roller element (50, 1050) from the lowered position to the travel position and vice versa.

26. Sliding door according to one of the preceding claims, characterized in that the slide profile (1056) is coupled to the drive and can be moved by the latter.

27. Sliding door according to one of the preceding claims, characterized in that the drive is designed as an electrically or fluidically operated lifting cylinder (57).

28. Sliding door according to claim 27, characterized in that the lifting cylinder (57) is arranged in the bottom rail (330).

29. Sliding door according to one of the preceding claims, characterized in that the sliding wing has in its vertically upper region a guide relative to the frame and / or a displacement drive.

30. Sliding door according to one of the preceding claims, characterized in that the sliding wing (1) is sealed towards a rebate space (345) of an upper and / or lower horizontal frame rail (340) by two seals, preferably brush seals (346, 347).

31. Sliding door according to one of the preceding claims, characterized in that the first axles (1053a) with the sliding rollers (1052) and the second axles (1053b) with the slide rollers are provided alternately in the displacement direction of the ramp track for each ramp, and in that they are held at their ends in each case in side walls of the base body, in particular base profiles (1051).

32. Sliding door according to one of the preceding claims, characterized in that upper peripheral edge regions of the sliding rollers (1052) project through window-like openings on the upper side of the base profile (1051), wherein the sliding wing (1) can be moved horizontally on these peripheral edge regions of the sliding rollers (1052) in the travel position.

33. Sliding door according to one of the preceding claims, characterized in that the first height-adjustable roller element (1050) can only be moved vertically and cannot be moved horizontally.

34. Sliding door according to one of the preceding claims, characterized in that three slide rollers (1054a, 1054b, and 1054c) are provided on each first axle of the first roller element (1050), which are arranged together on the respective second axles (1053b), and in that the outer slide rollers (1054a, c) are guided vertically in vertical tracks (1231, 1032) of a bottom rail (1330) and in that the middle slide rollers (1054b) can roll in each case on a respective ramp of the slide track.

35. Method for moving a sliding wing of a sliding door according to one or more of claims 3 or 4 to 34, insofar as they refer back to claim 3, wherein the height level of the second roller element (60) is also vertically variable, characterized in that the sliding wing is first brought from a lowered position into a raised position by lifting the first roller element, then moved from the first roller element onto the second roller element, which is brought into an aligned position with the first roller element, and then the second roller element is brought with the sliding wing into the lowered position of the second roller element.

Images