Door lock with a tilting trap that can be converted without tools

Abstract

The invention relates to a door lock (1) for a door or window or the like, wherein the door lock (1) has a lock housing (1g) comprising a lock base, a lock top, and a lock faceplate (1s), wherein the door lock has a tilting latch (2) which is linearly movable between a closed position and a forward-locked position and can be moved to a forward-locked position. The door lock (1) has a tilting latch bearing in which the tilting latch shaft (2s) is linearly movably guided.The door lock (1) has a limiting element (3) that is movable between a limiting position, in which the limiting element interacts with the tilt latch shaft and / or the tilt latch head (2k) and limits the linear movement of the tilt latch (2), so that the tilt latch can only be moved between the closed position and the forward-locked position, and a release position, in which the limiting element (3) is out of engagement with the tilt latch shaft and / or the tilt latch head, so that the tilt latch (2) can be moved between the closed position and an extended position, in which the tilt latch (2) protrudes further from the lock housing (1g) than in the forward-locked position.

Description

[0001] The present invention relates to a door lock according to the features of the preamble of claim 1 and a method according to claim 15.

[0002] Document DE 10 2020 111 229 A1 describes a door lock with a tilting latch that can be reversed by 180° when the door lock is installed on both left- and right-hinged doors. The door lock has a lock housing with a lock faceplate attached to the lock housing. A tilting latch is slidably mounted within the lock housing. The tilting latch has a latch head and a latch shaft, which are connected to each other by a connecting assembly. The connecting assembly can be detached without tools and comprises two opposing bearing points to support the latch head on the latch shaft. Detaching and repositioning the latch head is only possible after the lock faceplate has been removed from the lock housing. A disadvantage is that a tool is required to detach the lock faceplate from the lock housing.

[0003] Utility model DE 93 04 388 shows a lock with a reversible latch. The latch is held in the lock by a locking element designed as a screw. To change the latch position, this screw is loosened and pulled out of the lock housing. The latch can then be moved into the reversible position and switched. Afterwards, the locking element, in the form of the screw, must be pushed back into the lock and tightened.

[0004] It is an object of the present invention to provide a door lock with a tilting latch that can be reversed by 180°, i.e., a tilting latch that can be reversed to the right or left. Preferably, the reversal should be possible without tools. In particular, the reversal of the tilting latch should only be possible when the lock is removed.

[0005] This problem is solved according to the invention by a door lock according to the features of claim 1 and by a method according to the features of claim 13.

[0006] A door lock for a door or window or the like is proposed, wherein the door lock has a lock housing comprising a lock base, a lock top and a lock faceplate, wherein the door lock has a tilting latch which is linearly movable between a closed position and a forward-locked position, and the tilting latch comprises a tilting latch head and a tilting latch shaft, wherein the tilting latch head is pivotably mounted on the tilting latch shaft (2t), wherein the pivot axis of the tilting latch head runs parallel to the longitudinal axis of the lock faceplate, wherein the door lock has a tilting latch bearing in which the tilting latch shaft is linearly movable.

[0007] The essential feature is that the door lock has a limiting element which is linearly movable and mounted in a receptacle of the tilt latch bearing, and that the limiting element is movable between a limiting position and a release position, wherein in the limiting position the limiting element interacts with the tilt latch shaft and / or the tilt latch head and limits the linear movement of the tilt latch in such a way that the tilt latch can only be moved between the closed position and the forward-locked position, and wherein in the release position the limiting element is disengaged from the tilt latch shaft and / or the tilt latch head, so that the tilt latch can be moved between the closed position and an extended position in which the tilt latch protrudes further from the lock housing than in the forward-locked position.so that the tilt trap head and / or the tilt trap shaft can be rotated around the longitudinal axis of the tilt trap shaft in order to reposition the tilt trap.

[0008] Preferably, a door lock is understood to be a mortise lock or built-in lock, which may include a lock housing with a lock top and a lock bottom, as well as a lock faceplate.

[0009] Preferably, a tilting latch is understood here to be a lock latch comprising a tilting latch head and a tilting latch shaft, wherein the tilting latch head is pivotably mounted on the tilting latch shaft. For example, unlike a snap-action latch, a tilting latch cannot be actively retracted, for example, by actuating a lock follower. Preferably, the tilting latch can be moved between a forward-closed position and a retracted position. Preferably, it is provided that in the forward-closed position, the tip of the wedge-shaped tilting latch head projects beyond the lock faceplate by a first predetermined length. In the retracted position, the tilting latch head is retracted into the lock housing, with the tip of the wedge-shaped tilting latch head projecting beyond the lock faceplate by only a few millimeters or being completely enclosed in the lock housing.

[0010] Preferably, the tilt latch can be moved into an extended position. In particular, in the extended position, the tip of the wedge-shaped tilt latch head projects beyond the lock faceplate by a second predetermined length, which is greater than the first predetermined length. The extended position allows the tilt latch head to be rotated around the longitudinal axis of the tilt latch shaft. This allows the tilt latch to be oriented during installation of the door lock in the door leaf so that, when the door leaf closes, the angled surface of the tilt latch head engages the strike plate (right / left reversal). In the extended position, an installer can manually rotate the tilt latch to the orientation required for the specific door leaf, i.e., reconfigure the tilt latch, depending on whether the door lock is to be installed on a left-hinged or right-hinged door leaf.

[0011] One advantage is that both repositioning the limiting element and rotating the latch can be done manually without the use of any additional tools. In particular, the limiting element can be operated manually without requiring any tools. Specifically, the limiting element can be pulled or pushed out of the lock housing with just one or two fingers.

[0012] In an advantageous embodiment, it can be provided that in the closed and closed positions of the tilting trap, rotation of the tilting trap head and / or the tilting trap shaft around the longitudinal axis of the tilting trap shaft is prevented.

[0013] In particular, it may be provided that the limiting element in the limiting position prevents a rotation of the tilting trap shaft about its longitudinal axis due to the engagement of the limiting element on the tilting trap shaft.

[0014] Furthermore, the limiting element can be disengaged from the tilting latch shaft in the release position, allowing the tilting latch head and / or the tilting latch shaft to rotate around the longitudinal axis of the tilting latch shaft. This has the advantage that the tilting latch cannot be unintentionally rotated by a user in either the locked or unlocked position, thus preventing a malfunction of the door lock.

[0015] Preferably, the tilting trap shaft may have at least a section of a cross-sectional area that is symmetrical with respect to a rotation of 180°, which, in the limiting position of the limiting element, is positively engaged by a U-shaped section of the limiting element. This positive engagement prevents the tilting trap shaft from rotating about its longitudinal axis. That is, the limiting element fixes the tilting trap in the right-hand stop or left-hand stop position.

[0016] The cross-sectional area of ​​the tilting latch shaft can have the shape of a circle with a circular segment removed from opposite sides. The tilting latch shaft can also have a rectangular cross-section. Because the cross-sectional area of ​​the tilting latch shaft is symmetrical with respect to a 180° rotation, there are exactly two different ways to orient the tilting latch. These two options correspond to using the door lock in a left-hinged door leaf and using the door lock in a right-hinged door leaf.

[0017] Additionally or alternatively, it may be provided that in the closed position and in the forward-closed position of the tilting latch, rotation of the tilting latch shaft around its longitudinal axis is prevented due to a positive locking between the tilting latch head and the lock faceplate and / or due to a positive locking between the tilting latch shaft and the tilting latch bearing.

[0018] In an advantageous embodiment, the limiting element can be mounted in a receptacle of the tilting-fall bearing so as to be linearly movable. The linearly movable mounting of the limiting element in the tilting-fall bearing has the advantage that a linear guide is easier to manufacture, for example, a rotary bearing. In principle, however, it is also possible to mount the limiting element rotatably in a receptacle of the tilting-fall bearing.

[0019] Preferably, the door lock may have a limiting spring associated with the limiting element, wherein the limiting spring is supported on one side by the latch bearing and on the other side by the limiting element, and the limiting spring acts upon the limiting element in the limiting position. Due to the spring-loaded mounting of the limiting element, the operational reliability of the door lock is increased. The limiting spring holds the limiting element in the limiting position. Accidental displacement of the limiting element into the release position, which could potentially occur due to vibrations of the door lock, and the associated rotation of the latch, is prevented by the spring action in the limiting position. Furthermore, the left / right reversal of the latch is made easier for the installer.After moving the tilting trap to the required position, it is not absolutely necessary to manually move the limiting element into the limiting position, as this is done automatically by the limiting element spring, or at least supported by the limiting element spring.

[0020] In particular, the limiting element can be pulled or pushed out laterally from the lock. This means the limiting element can be operated manually, especially without tools, either from the top or bottom of the lock. This has the advantage that the lock is protected against the tilting bolt being turned when installed, since neither the top nor the bottom of the lock is accessible when installed.

[0021] Preferably, the lock cover and / or the lock base may have an opening associated with the limiting element, the opening allowing manual access to the limiting element. In particular, the limiting element has an access section or handle that can be operated or gripped directly with one finger, or operated or gripped with two fingers, to actuate or move the limiting element. Because the opening allows manual access to the limiting element, the installer is able to perform the left / right reversal of the tilt latch without having to remove the lock cover or the lock base from the door jamb. This facilitates the left / right reversal of the tilt latch. In particular, the limiting element can be operated without tools, using only one hand or one or more fingers.

[0022] In particular, the limiting element may have an access section projecting from its body, allowing manual access to the limiting element. When switching the toggle latch from left to right, the technician grasps the access section of the limiting element, for example, with a fingertip, and moves the limiting element into its release position. Preferably, the access section has a contour adapted to the shape of the fingertip to facilitate this action.

[0023] In an advantageous embodiment, the door lock may be provided with a tilt latch spring that is attached to the tilt latch shaft on one side and supported on the tilt latch bearing on the other, the tilt latch spring acting on the tilt latch in the direction of its closed and extended positions. The tilt latch spring ensures, in particular, that the tilt latch head automatically retracts into the frame-side receptacle of the strike plate as soon as the door leaf reaches its closed position relative to the door frame. This function is analogous to that of a conventional snap-action lock latch.

[0024] In particular, the tilting latch spring can be designed as a helical compression spring, with the tilting latch shaft passing through the helical compression spring. This arrangement of the helical compression spring relative to the tilting latch shaft allows the tilting latch shaft to also serve as a bearing for the helical compression spring.

[0025] In an advantageous embodiment, it can be provided that the tilting trap shaft has a rear end section, wherein in the limiting position of the limiting element the rear end section of the tilting trap shaft rests against the limiting element, and wherein in the release position of the limiting element the rear end section of the tilting trap shaft rests against the tilting trap bearing.

[0026] In an advantageous embodiment, the tilting trap shaft may have a front end section, wherein the front end section of the tilting trap shaft has a through-hole and the tilting trap head has at least one through-hole, wherein a bearing pin is provided which is inserted into the through-hole of the tilting trap shaft and into the at least one through-hole of the tilting trap head in order to pivotally mount the tilting trap head on the tilting trap shaft. This provides a pivotable mounting of the tilting trap head relative to the tilting trap shaft, which is technically simple to implement.

[0027] In an advantageous embodiment, the toggle latch or its shaft may have a stop that, in the extended position, prevents further extension of the toggle latch from the lock housing. This preferably ensures that the toggle latch is not susceptible to loss in relation to the door lock. This means that when switching the toggle latch from left to right, it does not need to be completely removed from the door lock. Furthermore, it ensures that the toggle latch does not unintentionally fall out and potentially be damaged during this process.

[0028] The inventive concept also includes a method for reversing the tilt latch head of a tilt latch of a door lock by 180°. According to the invention, the method comprises the following steps: Moving the limiting element from its limiting position to its release position; moving the tilting trap head from the closed position to its extended position; rotating the tilting trap by an angle of 180°; moving the tilting trap at least into the closed position; moving the limiting element back from its release position to its limiting position.

[0029] In particular, it may be provided that the limiting element is moved from the release position to the limiting position by a limiting element spring.

[0030] It may be provided that the tilting trap is moved from the closed position to the extended position by a tilting trap spring.

[0031] The following describes one way to adjust the tilting trap.

[0032] By manually moving the limiting element from the limit position to the release position, the tilt latch is moved into its extended position. Moving the tilt latch into the extended position can be done manually or by applying force from the tilt latch spring. Once the tilt latch is in the extended position, the installer rotates it 180° to the required orientation for the specific door leaf, depending on whether the door lock is being installed on a left- or right-hinged door leaf. After orienting the tilt latch correctly, the installer manually moves it into either the locked or closed position. The limiting element is then moved into its limit position. This movement can be done manually by the installer or by applying force from the limiting element spring.The door lock then returns to its initial position, in which the tilt latch can be moved between its locked and unlocked positions, but does not extend fully. The advantage here is that no tools are required to adjust the tilt latch; the adjustment can be made entirely manually.

[0033] It is clear to the expert that the features and advantages described herein for the door lock also apply to the procedure for changing the tilt latch, and vice versa.

[0034] The invention will now be explained by way of example using an embodiment and the accompanying drawings. The embodiment shown is not to be understood as limiting. The drawings show: Fig. 1a: a schematic view of a door; Fig. 1b: a schematic view of a door lock; Fig. 2: a partial view of the door lock, excluding the lock top and bottom; Fig. 3: a view of the latch, latch support, and limiting element; Fig. 4: a view of the latch and limiting element; Fig. 5: another view of the latch and limiting element; Fig. 6: a view of the latch in the locked position and the limiting element in the limited position; Fig. 7: a view of the latch in the locked position and the limiting element before reaching the release position; Fig. 8: a view of the latch in the extended position and the limiting element in the release position; Fig. 9: a view of the latch before reaching the locked position and the limiting element in the release position.

[0035] Figure 1aFigure 1 shows a schematic representation of a door T. A door frame R is provided, to which the door T is pivotally mounted by means of two hinges. Furthermore, the door T has a lock recess in which a door lock 1 is arranged. The door lock 1 has a bolt 1r and a latch. The latch is designed as a toggle latch 2.

[0036] Figure 1b Figure 1 shows a schematic representation of door lock 1. Door lock 1 has a lock housing 1g with a lock base, a lock top, and a lock faceplate 1s. Door lock 1 has a lock follower 1n with an attached handle 1h for manual operation. Door lock 1 also has a lock cylinder 1z into which a matching key can be inserted to operate the lock.

[0037] Figure 2Figure 1 shows a representation of the door lock, excluding the lock top and bottom. The door lock includes a tilting latch 2, a limiting element 3, and a tilting latch bearing 4. The tilting latch 2 is movably mounted between a forward-locked and a retracted position. Figure 2 The tilting latch is shown in the forward-closed position. In the forward-closed position of the tilting latch 2, the tilting latch head 2k protrudes from the opening in the lock faceplate 1s. In the retracted position of the tilting latch 2 (not shown), the tilting latch head 2k is enclosed in the lock housing 1g.

[0038] Figure 3 shows a view of the tilting trap 2, the limiting element 3 and the tilting trap bearing 4.

[0039] The tilting trap 2 has a tilting trap head 2k, a tilting trap carrier 2t, and a tilting trap shaft 2s. The tilting trap head 2k is pivotally mounted on the tilting trap shaft 2s, with the pivot axis 2a of the tilting trap head 2k being parallel to the longitudinal axis of the shaft. Figures 3 and 4 The not-shown lock faceplate 1s extends. With the door lock 1 installed, the pivot axis 2a of the tilt latch head 2k runs in the vertical direction. A front end section 2sv of the tilt latch shaft has a through-hole, and the tilt latch head has at least one further through-hole. A bearing pin is provided, which is inserted into the through-hole of the tilt latch shaft and into the at least one through-hole of the tilt latch head, in order to pivotally mount the tilt latch head on the tilt latch shaft. The bearing pin is not shown in the figures.

[0040] The tilting latch bearing 4 is attached inside the lock housing 1g to the lock base and / or the lock top. The tilting latch shaft 2s is movably mounted and guided in the tilting latch bearing 4. The tilting latch bearing 4 is constructed as a housing and has a through-opening in which the tilting latch shaft 2s is mounted.

[0041] A tilting trap spring 2f is provided, which acts on the tilting trap 2 in the direction of the pre-closed position. The tilting trap spring 2f is designed as a helical compression spring. The tilting trap spring 2f has a first and a second end. The first end of the tilting trap spring 2f is supported at the tilting trap head end of the tilting trap shaft 2s. The second end of the tilting trap spring 2f is supported at the tilting trap bearing 4. The tilting trap spring 2f thus surrounds the tilting trap shaft.

[0042] The limiting element 3 serves to limit the movement of the toggle latch 2 between its closed and open positions. The limiting element 3 is linearly movable within the receptacle 4a of the toggle latch bearing 4 between a limiting position and a release position. In the limiting position, the limiting element 3 interacts with the toggle latch shaft 2s and limits the linear movement of the toggle latch 2, allowing it to move between the closed and open positions. In the release position, the limiting element 3 is disengaged from the toggle latch shaft 2s, allowing the toggle latch 2 to move into an extended position where it protrudes further from the lock housing 1g than in the open position.

[0043] The movement of the tilting trap 2 from its closed position to its extended position is effected by the tilting trap spring 2f, which acts on the tilting trap shaft 2s in the direction of the extended position. In the release position of the limiting element 3 and the extended position of the tilting trap 2, a rear end section 2se of the tilting trap shaft 2s rests against a section of the housing of the tilting trap bearing 4.

[0044] In the Figures 4 and 5The tilting trap 2 and the limiting element 3 are shown. The tilting trap shaft 2s has the rear end section 2se, which rests against the limiting element 3 in the limiting position, thus allowing movement of the tilting trap 2 only up to its closed position. In the release position of the limiting element 3, the limiting element 3 is disengaged from the tilting trap shaft 2s, so that movement of the tilting trap 2 from its closed position to its extended position is permitted.

[0045] The limiting element 3 further comprises a U-shaped section 3u, which, in the limiting position of the limiting element 3, serves to engage two contact surfaces 2sa of the tilting trap shaft 2s in order to prevent rotation of the tilting trap shaft 2s about its longitudinal axis. Furthermore, the limiting element 3 comprises a retaining section 3h, which serves to engage behind the tilting trap shaft 2s when the tilting trap 2 is in its extended position, in order to hold the tilting trap 2 in the extended position and to prevent the tilting trap 2 from being moved back into the closed position, e.g., by being pushed in.

[0046] The limiting element 3 has an access section 3m projecting from the body of the limiting element 3, which allows manual access to the limiting element 3 in order to manually move the limiting element 3 from its limiting position to its release position. As soon as the limiting element 3 is in the release position, the tilting latch 2, actuated by the tilting latch spring 2f, is moved from its closed position to its extended position.

[0047] As in Figure 3As can be seen, the door lock 1 has a limiting element spring 3f, which is arranged to be linearly movable in the receptacle 4a of the housing of the tilting latch bearing 4. The limiting element spring 3f is designed as a helical compression spring and has a first end and a second end. The first end of the limiting element spring 3f rests against the housing of the tilting latch bearing 4. The second end of the limiting element spring 3f rests against the limiting element 3. The limiting element spring 3f acts on the limiting element 3 in the direction of its limiting position.

[0048] The following explains the procedure for repositioning the tilt latch head 2k by 180° when mounting the door lock 1 on left- and right-hinged doors.

[0049] Reference is made to Figure 6The scenario starts with a door lock 1 before it is mounted on door T, before the door lock 1 is inserted into the lock receiver of door T. The tilt latch 2 is in the locked position, actuated by the tilt latch spring 2f. The limiting element 3 is in the limiting position, actuated by the limiting element spring 3f.

[0050] Reference is made to Figure 7 The limiting element 3 is moved from the limiting position to the release position by a technician. To do this, the technician grasps the access section 3m of the limiting element 3 and moves the limiting element 3 against the force of the limiting element spring 3f from its limiting position to its release position. This is described in Figure 7 represented by an arrow. Figure 7The limiting element 3 is shown before reaching the release position. As soon as the limiting element 3 is in the release position, it is disengaged from the contact surfaces 2sa of the tilting trap shaft 2s, and the tilting trap 2, acted upon by the tilting trap spring 2f, is moved from the closed position to the extended position.

[0051] Reference is made to Figure 8 In Figure 8The tilting trap 2 is shown in its extended position and the limiting element 3 in its release position. The limiting element spring 3f is unable to return the limiting element 3 to its limiting position because the limiting element 3 abuts the rear end section 2se of the tilting trap shaft 2s. Furthermore, it is not possible to move the tilting trap 2 from the extended position to the closed position because a retaining section 3h of the limiting element 3 engages behind the rear end section 2se of the tilting trap shaft 2s.

[0052] It is in Figure 8It can be seen that in the extended position of the tilting trap 2, the tilting trap head 2k lifts off the tilting trap support 2t. Since the limiting element 3, in its release position, no longer engages the contact surfaces 2sa of the tilting trap shaft 2s in a form-fitting manner, the tilting trap head 2k, together with the tilting trap shaft 2s, can be rotated about the longitudinal axis of the tilting trap shaft 2s in the extended position of the tilting trap 2. The installer can now rotate the tilting trap head 2k by an angle of 180° about the longitudinal axis of the tilting trap shaft 2s.

[0053] Figure 9This shows the movement of the tilting latch from the extended position to the closed position. For this, the technician must manually grasp the access section 3m of the limiting element 3 and move it against the force of the limiting element spring 3f until the holding section 3h of the limiting element 3 no longer engages the rear end section 2se of the tilting latch shaft 2s. By pressing the tilting latch 2, the tilting latch 2 can be moved back into the closed position. To do this, the technician applies a force to the tilting latch head 2k to move the tilting latch head 2k and the tilting latch shaft 2s connected to the tilting latch head 2k towards the lock housing 1g against the force of the tilting latch spring 2f.As soon as the end section 3se of the tilting trap shaft 2s releases the limiting element 3, the limiting element 3 is moved by the limiting element spring 3f into the limiting position, in which the limiting element 3 positively engages the tilting trap shaft 2s and prevents rotation of the tilting trap shaft 2s about its longitudinal axis. Thus, the position is restored. Figure 6 The initial situation shown has been achieved. Reference symbol list

[0054] 1 Door lock 1 g Lock housing 1 n Lock follower 1 h Handle 1 r Bolt 1 s Faceplate 1 z Cylinder 2 Tilt latch 2 a Tilt latch pivot axis 2 f Tilt latch spring 2 k Tilt latch head 2 s Tilt latch shaft 2 sa Mounting surface of the tilt latch shaft 2 se Rear end section of the tilt latch shaft 2 s v Front end section of the tilt latch shaft 2 t Tilt latch support 3 Limiting element 3 f Limiting element spring 3 m Access section of the limiting element 3 h Retaining section of the limiting element 3 u U-shaped section of the limiting element 4 Tilt latch bearing 4a Mounting of the tilt latch bearing

Claims

1. Door lock (1) for a door or window or the like, wherein the door lock (1) has a lock housing (1g) comprising a lock base, a lock top, and a lock faceplate (1s), wherein the door lock (1) has a tilt latch (2) which is linearly movable between a closed position and a forward-locked position, and the tilt latch (2) comprises a tilt latch head (2k) and a tilt latch shaft (2s), wherein the tilt latch head (2s) is pivotably mounted on the tilt latch shaft (2t), wherein the pivot axis (2a) of the tilt latch head (2k) runs parallel to the longitudinal axis of the lock faceplate (1s), wherein the door lock (1) has a tilt latch bearing (4) in which the tilt latch shaft (2s) is linearly movably guided. characterized by that the door lock (1) has a limiting element (3) which is linearly movable in a receptacle (4a) of the tilting latch bearing (4), and thatthe limiting element (3) is movable between a limiting position and a release position, wherein the limiting element (3) in the limiting position interacts with the tilting latch shaft (2s) and / or the tilting latch head (2k) and limits the linear movement of the tilting latch (2), so that the tilting latch (2) can only be moved between the closed position and the forward-closed position, and wherein in the release position the limiting element (3) is disengaged from the tilting latch shaft (2s) and / or the tilting latch head (2k), so that the tilting latch (2) is movable between the closed position and an extended position in which the tilting latch (2) protrudes further from the lock housing (1g) than in the forward-closed position, so that the tilting latch head (2k) and / or the tilting latch shaft (2s) can be rotated about the longitudinal axis of the tilting latch shaft (2s) in order to change the position of the tilting latch (2).

2. Door lock according to claim 1, characterized by that In the closed and closed positions of the tilting trap (2), rotation of the tilting trap head (2k) and / or the tilting trap shaft (2s) around the longitudinal axis of the tilting trap shaft (2s) is prevented.

3. Door lock according to claim 2, characterized by that The limiting element (3) in the limiting position prevents a rotation of the tilting trap shaft (2s) about its longitudinal axis due to the engagement of the limiting element (3) on the tilting trap shaft (2s).

4. Door lock according to claim 3, characterized by that the tilting trap shaft (2s) has at least section by section a cross-sectional area that is symmetrical with respect to a rotation by an angle of 180°, which in the limiting position of the limiting element (3) is positively engaged by a U-shaped section (3u) of the limiting element (3).

5. Door lock according to claim 2, characterized by thatIn the closed position and in the forward-closed position of the tilting latch (2), rotation of the tilting latch shaft (2s) about its longitudinal axis is prevented due to a positive locking between the tilting latch head (2k) and the lock faceplate (1s) and / or due to a positive locking between the tilting latch shaft (2s) and the tilting latch bearing.

6. Door lock according to one of the preceding claims, characterized by that the door lock (1) has a limiting element spring (3f) which is associated with the limiting element (3), wherein the limiting element spring is supported on one side on the tilt latch bearing (4) and on the other side on the limiting element (3), wherein the limiting element spring (3f) acts on the limiting element (3) in the limiting position.

7. Door lock according to one of the preceding claims, characterized by thatthe lock ceiling and / or the lock floor has an opening associated with the limiting element (3), the opening allowing manual access to the limiting element (3).

8. Door lock according to claim 7, characterized by that The boundary element (3) has an access section (3m) projecting from the body of the boundary element, which allows manual access to the boundary element (3).

9. Door lock according to one of the preceding claims, characterized by thatthe door lock (1) has a tilt latch spring (2f) which is attached on one side to the tilt latch shaft (2s) and supported on the other side on the tilt latch bearing (4), wherein the tilt latch spring (2f) acts on the tilt latch (2) in the direction of its closed position and its extended position, wherein it is preferably provided that the tilt latch spring (2f) is designed as a helical compression spring, wherein the tilt latch shaft (2s) passes through the helical compression spring.

10. Door lock according to one of the preceding claims, characterized by that the tilting trap shaft (2s) has a rear end section (2sr), wherein in the limiting position of the limiting element (3) the rear end section (2sr) of the tilting trap shaft (2s) rests against the limiting element (3), and wherein in the release position of the limiting element (3) the rear end section (2sr) of the tilting trap shaft (2s) rests against the tilting trap bearing (4).

11. Door lock according to one of the preceding claims, characterized by that the tilting trap shaft (2s) has a front end section (2sv), wherein the front end section (2sv) of the tilting trap shaft (2s) has a through hole and the tilting trap head (2k) has at least one through hole, wherein a bearing pin is provided which is inserted into the through hole of the tilting trap shaft (2s) and into the at least one through hole of the tilting trap head (2k) in order to pivotably mount the tilting trap head (2k) on the tilting trap shaft (2s).

12. Door lock according to one of the preceding claims, characterized by that the tilting latch (2) or the tilting latch shaft (2s) has a stop which, in the extended position, prevents further extension of the tilting latch (2) from the lock housing (1g).

13. Method for repositioning a tilt latch head (2k) of a tilt latch (2) of a door lock (1) according to any one of claims 1 to 12 by 180°, characterized by that The procedure comprises the following steps: moving the limiting element (3) from its limiting position to its release position; moving the tilting trap head (2) from the closed position to its extended position; rotating the tilting trap (2) by an angle of 180°; moving the tilting trap (2) at least into the closed position; moving the limiting element (3) back from its release position to its limiting position.

14. Method according to claim 13, characterized by that the limiting element (3) is moved from the release position to the limiting position by a limiting element spring (3f).

15. Method according to one of claims 13 or 14, characterized by thatthe tilting trap (2) is moved from the closed position to the extended position by a tilting trap spring (2f).

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