Door wing, door element and mobile partition

Abstract

The invention relates to a door leaf (10), in particular designed as a fixed leaf, comprising a locking arrangement (20) which is movable from a retracted position to an extended position for locking the door leaf (10), a return spring (25) wherein the locking arrangement (20) is movable against the force of the return spring (25) into the extended position and with the force of the return spring (25) into the retracted position, a blocking device (30) which in a blocking position holds the locking arrangement (20) in the extended position and in a release position releases the movement of the locking arrangement (20) into the retracted position, and a handle receptacle which is designed for moving the blocking device (30) from the blocking position to the release position.

Description

[0001] The invention relates to a door leaf, which is used in particular as a fixed leaf. Furthermore, the invention relates to a door element in which the door leaf is located. The door element can be part of a movable partition wall.

[0002] Mobile partition walls comprise individual, movable wall elements that are suspended on rollers from a ceiling guide rail within a room to be divided. To erect the partition wall, the individual wall elements are released from a locking mechanism and moved along the ceiling guide rail. When the partition wall is removed, the wall elements are stored in a storage area. To close the partition wall, the wall elements are lined up close together in the wall plane and clamped by sealing strips that are extended against the ceiling and / or floor. In addition to the wall elements, a mobile partition wall can also comprise a door element that, similar to a wall element, hangs from the ceiling guide rail. Such a door element comprises an element frame that hangs from the ceiling guide rail and a door leaf arranged in the element frame.This door leaf, in turn, can be designed as a passive leaf and, together with a moving leaf, form a double-leaf door system. To lock the passive leaf, rod-shaped locking devices are typically used, which extend from the door leaf at the upper and lower secondary closing edges. The locking device usually engages in a floor socket on the underside.

[0003] In previously known designs, the locking assembly is connected to the lock, in particular designed as a panic lock. By pressing a handle connected to the lock, the locking assembly can be retracted in order to open the passive leaf. However, in certain door leaf applications, particularly in movable partition walls, the stroke of conventional locks is not sufficient to always retract the locking assembly, taking into account very large or fluctuating floor clearances. The locks often allow a stroke in the region of 20 mm. However, in particular with movable partition walls, which often have a greater ceiling deflection under load and thus fluctuating floor clearance under the door leaf, this stroke must be significantly higher, for example in the region of 100 mm.

[0004] US4694669 discloses a door locking structure for mounting in a longitudinal cavity disposed in a vertical free door edge portion or a folding door edge jamb or the like. The door locking structure comprises an elongated locking rod that is supportively guided within the longitudinal cavity. Each rod has a free locking end extending beyond an open end of the bore above a horizontal edge of the door. The rod is normally biased into a retracted position within the cavity, with the free end of the rod lock disposed within the horizontal door edge. An external rod displacement element is attached to the rod to displace the rod and the free end of the rod lock outwardly from the horizontal door edge into a locking position.A bolt engagement mechanism is located inside the door edge adjacent to the rod to lock the rod in its locked position. A key-operated cam is provided on an inner surface of the vertical free door edge portion to release the rod engagement mechanism from engagement with the rod.

[0005] The object of the present invention is to provide a door leaf that can be securely locked and reliably opened. In particular, the locking of the door leaf should function even with relatively large and / or fluctuating ground clearances.

[0006] The problem is solved by the features of the independent claims. The dependent claims relate to preferred embodiments of the invention.

[0007] The invention shows a door leaf. The door leaf is designed, in particular, as a fixed leaf. The door leaf has a locking arrangement that can be moved from a retracted position to an extended position to lock the door leaf.

[0008] In particular, the locking arrangement is arranged vertically, in particular linearly movable. In the extended position, the locking arrangement preferably protrudes from the door leaf, particularly at a lower secondary closing edge, i.e., at the lower end. In the extended position, the locking arrangement can retract into a sleeve arranged at the bottom. The door leaf can generally have two locking arrangements, one that can be extended upwards and one that can be extended downwards. Of particular interest here is the downwardly extendable locking arrangement.

[0009] The door leaf can include a door leaf frame, which can be used to attach the other elements of the door leaf. The door leaf frame can be designed as a conventional frame with a cover plate attached to both sides. However, at least one sturdy cover plate of the door leaf can also be used to accommodate the other elements, so that this cover plate then forms the door leaf frame.

[0010] The door leaf preferably includes a return spring, whereby the locking arrangement can be moved into the extended position against the force of the return spring and into the retracted position with the force of the return spring. The return spring can also be referred to as an energy storage device. It is preferably a coil spring. However, any other type of spring can also be used. The return spring is arranged such that it is tensioned when the locking arrangement moves into the extended position and, provided the locking arrangement is not blocked, moves the locking arrangement back into the interior of the door leaf.

[0011] Furthermore, the door leaf comprises a blocking device which, in a blocking position, holds the locking arrangement in the extended position and, in a release position, enables the locking arrangement to move into the retracted position. As long as the blocking device is in its blocking position, the locking arrangement remains in the extended position; the door leaf is locked. By moving the blocking device into its release position, the locking arrangement is released and moves, in particular driven by the return spring, into the retracted position, so that the door leaf can be accessed.

[0012] To actuate the blocking device, the door leaf preferably comprises a handle receptacle, in particular designed for inserting a pin. The handle receptacle is designed to move the blocking device from the blocking position to the release position, in particular by rotating the handle receptacle. The door leaf preferably comprises a handle connected to the handle receptacle. The handle is, for example, a panic bar or a door handle. The door handle is preferably located in a recessed grip, since the door leaf described here is preferably used in a door element of a movable partition wall.

[0013] As described, the locking arrangement is preferably arranged so as to be vertically linearly movable. In particular, the locking arrangement is guided in the door leaf frame for this purpose. The blocking device preferably comprises a slider that is displaceable relative to the locking arrangement. In particular, the slider is displaceable in the horizontal direction and thus moves perpendicular to the direction of movement of the locking arrangement.

[0014] Depending on the position of the slide, the locking arrangement can be released or blocked by the blocking device. For this purpose, it is particularly provided that the blocking device comprises a positive guide between the slide and the locking arrangement. Such a positive guide is to be understood as meaning that the slide inevitably moves when the locking arrangement moves, at least when the locking arrangement moves completely between the retracted position and the extended position. Since the slide is connected to the locking arrangement via the positive guide, the drive for moving the slide is therefore preferably provided via the locking arrangement, which can be moved in one direction by the return spring and in the other direction by manual actuation by a user.

[0015] The positive guide between the slide and the locking arrangement is preferably designed as a slotted guide. This slotted guide, in turn, preferably comprises a track that is fixed relative to the locking arrangement, in which the slide is guided. For this purpose, a bolt, for example in the form of a screw, is preferably located on the slide. By means of the bolt, which is guided along the track and in particular protrudes through the track, the slide is displaced when the locking arrangement moves.

[0016] The locking arrangement preferably includes a guide element, for example, formed by a welded sheet metal. The track of the guide can be formed in this guide element.

[0017] In particular, the track has a first section in which the slider prevents the movement of the locking arrangement into the retracted position and a second section in which the slider enables the movement of the locking arrangement into the retracted position.

[0018] The blocking device preferably further comprises a movable triggering device. The triggering device is preferably movable in a vertical direction, and thus linearly parallel to the locking arrangement. In particular, the triggering device is movable by means of the handle receptacle.

[0019] The handle receptacle is preferably part of a lock, so that the lock for transmitting force from the handle to the triggering device is located between the handle and the triggering device. The lock is designed to move the blocking device, in particular to retract the triggering device.

[0020] The locking arrangement and the blocking device are preferably located outside, in particular underneath, the lock; the release device can protrude into the lock to be movable by the lock's mechanism. In particular, the lock is a mortise lock. The lock is particularly preferably designed as a panic lock. The lock preferably has a nut, in particular with a square socket. A pin can be inserted into the nut, which forms the connection to the handle. Thus, the handle receptacle can be designed as a nut.

[0021] The release device preferably selectively blocks and releases the slider's movement. Thus, the release device is designed to be movable through the handle receptacle from a position blocking the slider to a position releasing the slider.

[0022] It can be provided that the released slider and the track move relative to each other in such a way that the slider moves from the first section to the second section. This allows the locking arrangement to be moved into the retracted position, in particular by the return spring.

[0023] In particular, the release mechanism is arranged so that it can be pulled vertically upward by actuating the handle receptacle, thus releasing the movement of the slide. As soon as the movement of the slide is no longer blocked by the release mechanism, the return spring can move the locking assembly toward the retracted position. At the same time, the slide moves horizontally via the described positive guide, since it is no longer blocked by the release mechanism.

[0024] A movement path, in particular a stroke movement path, of the triggering device from the blocking position to the release position is preferably shorter than a movement path, in particular a stroke movement path, of the locking arrangement from the extended position to the retracted position. This allows the locking to be released by means of a relatively small movement on the handle receptacle.

[0025] The triggering device preferably comprises a connecting element and a blocking element. The connecting element and the blocking element can be pushed against each other, in particular into each other, for length compensation against the force of a triggering device compensating spring. The connecting element is preferably connected at one end to the lock and at the other end to the blocking element. The blocking element, in turn, can be brought into contact with the slide. Preferably, the blocking element and the connecting element are vertically linearly movable. Preferably, the blocking element and the connecting element are coaxial and thus aligned with each other.

[0026] The blocking device preferably comprises a receptacle. The receptacle is in particular an integral component of the door leaf frame or is fastened to the door leaf frame, for example welded. The triggering device and / or the locking arrangement are movably guided, in particular linearly, in the receptacle. The receptacle is in particular designed such that the triggering device and the locking arrangement are displaceable parallel to one another; however, their horizontal spacing from one another is fixed. Furthermore, the slider can be arranged in the receptacle. The described link element, which is firmly connected to the locking arrangement, preferably also projects through the receptacle and extends into the area between the locking element and the triggering device.

[0027] The locking arrangement comprises a support element and a locking element for length compensation. The support element and the locking element can be pushed against each other, in particular into each other, against the force of a locking arrangement compensating spring. The locking element is in particular at the lower

[0028] It is arranged in the area of ​​the locking arrangement and extends from the door leaf at the lower secondary closing edge for locking. The described link element is preferably located on the support element. In particular, the support element protrudes through the described receptacle.

[0029] Preferably, the support element and the locking element are vertically linearly movable. Preferably, the support element and the locking element are coaxial and thus aligned with each other.

[0030] The locking arrangement can comprise an actuating element, particularly on the support element. The actuating element is accessible for manual movement, i.e., for movement by a person. This allows the locking arrangement to be pushed into the extended position. In particular, the actuating element is accessible at the main closing edge of the door leaf.

[0031] The invention further comprises a door element of a movable partition wall. The door element comprises, in particular, an element frame and a door leaf attached to the element frame, as described above. The advantageous embodiments described in the context of the door leaf and the associated subclaims find correspondingly advantageous application in the context of the door element according to the invention.

[0032] The door leaf is preferably mounted for rotation within the element frame, thus creating a revolving door. Hinges are used for this purpose, in particular, to attach the door leaf to the element frame in a rotationally movable manner. The element frame preferably also extends into an area above the door leaf, so that the entire door element can be higher than the door leaf. In particular, the door element comprises a suspension at the upper end of the door element for suspending the door element from a ceiling guide rail of a movable partition wall. This suspension can be, for example, rollers.

[0033] Side seals are preferably located on both sides of the door element. Similar seals are preferably located on the adjacent door elements or wall elements. These side seals are preferably designed to be alternatingly concave and convex and, when the mobile partition wall is installed, interlock longitudinally to achieve sound insulation. Furthermore, it is preferably provided that sealing strips can be extended from the door element, preferably also from the other door and wall elements of the partition wall, to create a soundproof barrier to the ceiling and floor, once the respective element is in its installation position.

[0034] The invention further comprises a mobile partition wall with a ceiling guide rail, to which at least one door element, as described above, can be suspended, in particular is suspended. Preferably, the mobile partition wall comprises at least one wall element, which can also be suspended from the ceiling guide rail.

[0035] Particularly preferably, the mobile partition wall comprises two door elements, one with a door leaf as a moving leaf and one with a previously described door leaf as a fixed leaf.

[0036] The invention will now be described in more detail using an exemplary embodiment. In the following: Fig. 1 a door element according to the invention with a door leaf according to the invention according to an embodiment, Fig. 2 an enlarged side view of Fig. 1, Fig. 3 a detail of the door leaf according to the invention according to the embodiment, Fig. 4 a first detailed view of a blocking device of the door leaf according to the invention according to the embodiment, Fig. 5 a second detailed view of the blocking device of the door leaf according to the invention according to the embodiment, Fig. 6 a third detailed view of the blocking device of the door leaf according to the invention according to the embodiment, Fig. 7 a fourth detailed view of the blocking device of the door leaf according to the invention according to the embodiment, and Fig. 8 a schematic view of a mobile partition wall according to the invention with the door element according to the invention and the door leaf according to the invention according to the embodiment and further wall elements.

[0037] In the following, the Figures 1 to 8 a door leaf 10 of a door element 1 in a mobile partition wall 100 is described in detail.

[0038] Fig. 8shows, purely schematically, the mobile partition wall 100 with ceiling guide rail 101, on which several wall elements 102 and the door element 1 with door leaf 10 described in detail here hang. In addition to the door element 1, another door element 103 with a moving leaf 104 hangs on the ceiling guide rail 101. Next to this moving leaf 104 is the door leaf 10 described here, designed as a passive leaf, so that the two leaves 10, 104 together form a two-leaf door system.

[0039] The two door elements 1, 103 and the wall elements 102 can be moved along the ceiling guide rail 101 from a storage position into the wall plane of the partition wall to be formed.

[0040] Fig. 1shows the door element 1 with its element frame 2. Cover plates are located on both sides of the element frame 2. At the upper end of the element frame 2, suspensions 3 in the form of carriages are provided, which are designed to guide the door element 1 in a linear manner in the ceiling guide rail 101.

[0041] The door element 1 comprises the door leaf 10, which is rotatably connected to a lateral, column-like area of ​​the element frame 2 via corresponding hinges 4.

[0042] A door leaf frame 11 of the door leaf 10 is shown. Appropriate cover plates can be attached to this door leaf frame 11, although these are not shown here for clarity. The door leaf frame 11 comprises parallel vertical beams 12, which are connected to one another via several cross beams 13.

[0043] Furthermore, the door leaf 10 comprises a lock 14, here designed as a mortise lock, and a handle 15, which is inserted into a handle receptacle of the lock 14. The handle receptacle is in Figure 3 shown as the nut of the lock 14. The handle 15 is designed here as a panic bar and is connected to the lock 14, so that the lock 14 can be operated by pressing the handle 15. At the lower end of the door leaf 10, a movement device 16 can be seen, by means of which a sealing strip 17 can be extended downward. The movement device 16 is actuated when the door leaf 10 is closed.

[0044] In the following, particular attention is paid to an overview of the Figures 1 to 7 Reference is made to the following: The door leaf 10 comprises a locking assembly 20. This locking assembly 20 is linearly movable in the vertical direction. The locking assembly is in a retracted position, as shown in Figure 1shown, and movable into an extended position. The locking assembly 20 comprises a support element 21 and a locking element 22. A locking assembly compensating spring 23 is located between the support element 21 and the locking element 22, so that the locking element 22 can be moved toward the support element 21 against the force of the locking assembly compensating spring 23 for length compensation. This allows different distances between the lower secondary closing edge and the floor to be compensated.

[0045] The combination of support element 21 and locking element 22 is rod-shaped and extends vertically. The locking assembly 20 is extendable with the lower end of the locking element 22 at a lower secondary closing edge of the door leaf 10 and can retract into a floor socket to lock the door leaf 10.

[0046] The locking arrangement 20 comprises an actuating element 24, which extends from the support element 21 in the direction of the main closing edge and is accessible from the outside by a person, i.e. for manual actuation. This is particularly evident in the detailed side view according to Fig. 2 to see.

[0047] Furthermore, the locking arrangement 20 comprises a return spring 25. The return spring 25 is attached at one end to the locking arrangement 20, in this case to a guide element 38. This guide element 38 is firmly connected, in particular welded, to the locking arrangement 20, in particular to the support element 21. The other end of the return spring 25 is connected, for example, to the door leaf frame 11 or a cover plate (not shown). It is crucial that the return spring 25 is arranged such that it can move the locking arrangement 20 upwards by spring force and thus into the retracted position.

[0048] The door leaf 10 further comprises a blocking device 30. The blocking device 30, in turn, comprises a triggering device 31. The triggering device 31 is rod-shaped and extends in the vertical direction, consisting of a connecting element 32 and a blocking element 33. The triggering device 31 is linearly movable in the vertical direction parallel to the locking arrangement 20.

[0049] Fig. 3 shows in particular the locking arrangement 20, the blocking device 30 and the lock 14. Other components of the door leaf 10 are hidden for the sake of clarity. Fig. 4 to 7 The connecting element 32 and the locking element 22 are also hidden for the sake of clarity.

[0050] The connecting element 32 of the release device 31 is connected to the lock 14 and can be pulled upwards by actuating the handle 15. The blocking element 33 is located at the lower end of the release device 31. The blocking element 33 is in Fig. 3 shown in section so that a trigger device compensating spring 34 is visible.

[0051] Fig. 3 shows that the lock 14 can also be connected to an upper locking bar 40. When actuated by the handle 15, the lock 14 can pull the two locks, i.e., the release device 31 upwards and the upper locking bar 40 downwards, to thereby unlock the door leaf 10.

[0052] The blocking device 30 further comprises a receptacle 35, in this case designed as a square tube. The receptacle 35 is firmly connected to the door frame 11, in particular welded thereto. Figures 5, 6 and 7Recording 35 is hidden for clarity.

[0053] For example, the perspective view in Fig. 4 shows, the locking arrangement 20 and the triggering device 31 protrude through the receptacle 35 and are thereby guided in the receptacle 35 for linear movement.

[0054] Figures 5 and 6 show two different sides of the blocking device 30, without the receptacle 35. A guide element 38 is visible, which is formed as a welded sheet metal on the support element 21 of the locking arrangement 20. A track 39 in the form of a continuous, curved elongated hole is formed in the guide element 38.

[0055] Furthermore, in particular the Figures 5 and 6that the blocking device 30 comprises a slide 36. The slide 36 is guided in the track 39 via a bolt 37, designed as a screw. The track 39, together with the bolt 37, thus forms a positive guide, here designed as a slotted guide.

[0056] Because the track 39 is curved at its upper end (first section) and extends downwards in the vertical direction with a second section, the slider 36 can be moved when the locking arrangement 20 moves, i.e. is positively guided. Since the slider 36 is located in the receptacle 35, only a linear movement of the slider 36 in the horizontal direction is possible. In the first section of the track 39, the slider 36 prevents the locking arrangement 20 from moving into the retracted position. Thus, the blocking device 30 is designed to hold the locking arrangement 20 in the extended position. In this case, the blocking device is in a blocking position. In the second section, the slider 36 releases the movement of the locking arrangement 20 into the retracted position. In this case, the blocking device 30 is in a release position.

[0057] Figure 7shows a part of the locking arrangement 20 and a part of the blocking device 30. In the Figure 7 The locking assembly 20 is shown in the extended position and the blocking device in the blocking position. Here, the triggering device 31 is in a position blocking the slide 36. The triggering device 31 is moved into the release position by actuating the handle 15.

[0058] In the release position of the release device 31, the movement of the slide 36 is released. The return spring 25 now moves the locking assembly 20 into the retracted position. The track 39 is guided vertically upwards. The bolt 37 is moved in the inclined first section, so that the slide moves horizontally to the left. The slide 36 is displaced relative to the track 39 until the slide 36 moves from the first section into the second section of the track 39. Figures 5 and 6 the position of the slider 36 during the transfer is shown, with the bolt 37 already in the second section.

[0059] The representations in the Figures 5 and 6 also show that the movement of the slider 36 is not hindered by the position of the blocking element 33. Thus, the Figures 5 and 6 a releasing position of the release device 31.

[0060] After actuation and resetting of the handle 15, the release device 31 remains in its released position. The connecting element 32 has moved downward again. However, the blocking element 33 is blocked from moving downward by the slide 36. As shown in Figure 6 As can be seen, the slider 36 has a blocking surface for this purpose. Rather, the trigger device compensating spring 34 is tensioned. Thus, the connecting element 32 and the blocking element 33 are pushed into each other against the force of the trigger device compensating spring 34. The trigger device compensating spring 34 thus serves to compensate for length.

[0061] If the locking arrangement is now in the retracted position, the locking arrangement 20 can be moved downwards into the extended position by pressing on the actuating element 24. In doing so, the slide 36 is moved into the position according to Fig. 7The bolt 37 is moved back to the position shown. In doing so, the bolt 37 is moved into the first section of the track 39. The slide 36 is moved such that the blocking surface disengages from the blocking element 33. The force of the trigger device compensating spring 34 moves the blocking element 33 downward. The slide 36 is now prevented from moving by the blocking element 33. As a result, the locking arrangement 20 can no longer be moved into the retracted position by the force of the return spring 25.

[0062] Only by actuating the handle 15 again can the release device 31 be moved from the lock 14 toward the handle receptacle, whereby the slide 36 is released again and the locking assembly 20 moves again, driven by the return spring 25, into the retracted position. Thus, by actuating the handle 15 and the handle receptacle, the blocking device 30 can be moved from the blocking position to the release position.

[0063] As in Figure 7As shown, the stroke traveled by the release device 31 from the blocking position to the releasing position is less than the length of the track 39. The length of the track 39 reflects the stroke traveled by the locking arrangement 20 from the extended position to the retracted position. Thus, locking of the door leaf 10 can be ensured even with large distances between the lower secondary closing edge and the floor, regardless of the available stroke travel that can be generated by a handle.

[0064] The exemplary embodiment describes the door leaf 10 according to the invention in a door element 1 of a movable partition wall 100. However, the door leaf 10 can also be used for other purposes, without a movable partition wall. Furthermore, the invention is described within the scope of the exemplary embodiment for a locking mechanism at the lower secondary closing edge. The same mechanism can also be used for a door leaf for locking at the upper secondary closing edge. In this case, the locking arrangement 20 is extended upwards accordingly to lock the door leaf 10. List of reference symbols

[0065] 1 Door element 2 Element frame 3 Suspension 4 Hinges 10 Door leaf 11 Door leaf frame 12 Vertical support 13 Cross member 14 Lock 15 Handle 16 Movement device 17 Sealing strip 20 Locking assembly 21 Supporting element 22 Locking element 23 Locking assembly - balancing spring 24 Actuating element 25 Return spring 30 Blocking device 31 Release device 32 Connecting element 33 Blocking element 34 Release device - balancing spring 35 Mount 36 Slider 37 Bolt 38 Link element 39 Track 40 Upper locking bar 100 Mobile partition wall 101 Ceiling guide rail 102 Wall elements 103 Additional door element 104 Active leaf

Claims

1. A door leaf (10), in particular designed as a fixed leaf, comprising • a bolting arrangement (20) which can be moved from a retracted position into an extended position in order to bolt the door leaf (10), • a return spring (25), wherein the bolting arrangement (20) can be moved into the extended position against the force of the return spring (25) and into the retracted position with the force of the return spring (25), • a blocking device (30) which, in a blocking position, holds the bolting arrangement (20) in the extended position and, in a release position, releases the movement of the bolting arrangement (20) into the retracted position, • and a handle receptacle, which is designed to move the blocking device (30) from the blocking position into the release position, characterised in that the bolting arrangement (20) comprises a carrier element (21) and a bolting element (22) for length compensation, which can be pushed towards each other against the force of a bolting arrangement compensating spring (23).

2. The door leaf according to claim 1, wherein the bolting arrangement (20) for locking at a secondary closing edge is arranged vertically, in particular linearly movable.

3. The door leaf according to one of the preceding claims, wherein the blocking device (30) comprises a slider (36) which is displaceable relative to the bolting arrangement (20).

4. The door leaf according to claim 3, wherein the blocking device (30) comprises a positive guide, in particular a link guide, between the slider (36) and the bolting arrangement (20).

5. The door leaf according to claim 4, wherein the positive guide designed as a link guide comprises a track (39) which is stationary relative to the bolting arrangement (20) and in which the slider (36) is guided, wherein the track (39) comprises in particular a first section in which the slider (36) prevents the movement of the bolting arrangement (20) into the retracted position and comprises a second section in which the slider (36) releases the movement of the bolting arrangement (20) into the retracted position.

6. The door leaf according to claim 5, wherein the blocking device (30) comprises a release device (31) movable by the handle receptacle, wherein the release device (31) can be moved by the handle receptacle from a position blocking the slider (36) into a position releasing the slider (36), wherein in particular the released slider (36) and the track (39) move relative to one another in such manner that the slider (36) moves from the first section into the second section.

7. The door leaf according to claim 6, wherein a movement path, in particular a stroke movement path, of the release device (31) from the blocking position into the releasing position is shorter than a movement path, in particular a stroke movement path, of the bolting arrangement (20) from the extended position into the retracted position.

8. The door leaf according to claim 6 or 7, wherein the release device (31) comprises a connecting element (32) and a blocking element (33) for length compensation, which can be pushed against each other against the force of a release device compensation spring (34).

9. The door leaf according to one of claims 6 to 8, wherein the blocking device (30) comprises a receptacle (35) which is fastened or formed on a door leaf frame (11), wherein the release device (31) and / or the bolting arrangement (20) are guided in the receptacle (35) and / or the slider (36) is preferably arranged in the receptacle (35).

10. The door leaf according to one of the preceding claims, comprising a lock (14) which can be actuated by the handle receptacle and is designed to move the blocking device (30), in particular to retract the release device (31).

11. The door leaf according to one of the preceding claims, wherein the bolting arrangement (20) comprises an actuating element (24) which is accessible for manually moving the bolting arrangement (20) into the extended position.

12. A door element (1) of a mobile partition wall (100), comprising an element frame (2) and a door leaf (10) fastened to the element frame (2) according to one of the preceding claims.

13. The door element according to claim 12, comprising at least one suspension (3) at the upper end of the door element (1) for suspending the door element (1) from a ceiling guide rail (101) of a mobile partition wall (100).

14. A mobile partition wall (100), comprising • a ceiling guide rail (101), • at least one door element (1) which can be suspended from the ceiling guide rail (101) according to one of claims 12 or 13, • and preferably a plurality of wall elements (102) which can be suspended from the ceiling guide rail (101).

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