EP2708685A1 - Panic lock and method for operating a panic lock - Google Patents

Abstract

The panic lock has a housing and a movable bar (6) and a tumbler (28) that are provided in the housing between open position and closed position. The bar is latched in the closed position with the tumbler. A trigger mechanism separates the locking between the tumbler and the bar during panic operation. An auxiliary latch (34) is movably guided relative to the housing. The trigger mechanism comprises a transmission element (16), the tumbler and the auxiliary latch. An independent claim is included for a method for operating panic lock.

Description

The invention relates to a panic lock for a double door, with a housing, a movable in the housing between an open position and a closed position latch and a tumbler, wherein the latch can be latched in the closed position with the tumbler, wherein the latching between the tumbler and the Bar in the event of a panic actuation by a trigger mechanism is separable, which release mechanism is driven by a relative to the housing movably guided auxiliary bolt.

In addition, the invention relates to a method for operating a panic lock for a double door, with a housing, a movable in the housing between an open position and a closed position latch and a tumbler, wherein the bolt is locked in the closed position with the tumbler and this latching in In the event of a panic operation is disconnected by actuation of a trigger mechanism, which trigger mechanism is driven by a relative to the housing movably guided auxiliary bolt.

Generic panic locks are known from the prior art. These are locks, which can be unlocked at any time by a panic actuation in case of need. For this purpose, at least one panic handle is arranged on the door. An actuation of the panic handle leads to a driving back of the bolt and possibly a case, so that the door can then be opened nondestructively.

A double wing door is characterized by two opposite sides door leaves suspended from a door frame. A first door serves as a passive leaf, which usually remains closed and is only opened if necessary. A second door serves as a moving wing. This is normally opened and closed more frequently, for example, people passing through the door. Usually, a generic panic lock is arranged in the active leaf. In the passive leaf, a counter box cooperating with the panic lock is arranged.

In the case of a double-wing door, a panic handle, for example a panic push rod, is arranged both on the inactive leaf and on the active leaf. In case of panic actuation of the panic handle on the inactive leaf should, inter alia, lead to unlocking of the panic lock arranged on the active leaf. For this purpose, the bolt projecting from the panic lock into the counter box of the inactive leaf must be driven back from the inactive leaf.

A driving back of the bolt by simply applying a frontal pressure force is not possible. In order to prevent tampering, the latch is usually locked in the closed position by means of the tumbler. A driving back of the bolt by a force acting on it from outside therefore first requires the separation of the locking between the tumbler and bolt. From the prior art, it is known to provide an auxiliary bolt. This auxiliary bolt is operated in a panic operation on the inactive leaf in front of the bolt and separates the locking between the guard and the bolt.

From the prior art, it is known that the auxiliary bolt interacts directly with the tumbler, that is, for example, acts directly on the tumbler.

Although the known from the prior art panic locks have proven, there is still room for improvement. On the user side, it is criticized in the known panic locks namely that the forces required for a panic actuation are relatively high and also the panic locks do not always work reliably.

On the device side, it is therefore the object of the present invention to improve a generic panic lock with regard to operational safety and to reduce the forces required for a panic actuation.

To solve the device side is proposed that the trigger mechanism has a tumbler and the auxiliary bolt motion technically indirectly coupled to each other transmission member.

According to the invention, the tumbler is not directly driven by the auxiliary bolt in the case of a panic actuation on the inactive leaf. The auxiliary bolt drives the tumbler rather indirectly. Serves for this purpose the transmission member, which is arranged in terms of movement between the auxiliary bolt and the tumbler.

The auxiliary bolt is movable in a direction parallel to the direction of movement of the bolt. With a first end of the auxiliary bolt in the closed position protrudes from the housing. This first end of the auxiliary bolt can be driven by a return means provided on the inactive leaf. The repelling means may be a bar of a counter box inserted in the inactive leaf. A second, opposite the first end of the auxiliary bolt protrudes into the interior of the housing. The second end has means for cooperation with the transmission member. This may be a cam or the like.

Preferably, the auxiliary bolt is guided in the bolt. For this purpose, the latch may have an inner channel. Preferably, the auxiliary bolt is in the closed position frontally from the bolt.

The transmission member may be rotatably and / or translationally mounted in the housing movable. The transmission member serves the kinematic and dynamic coupling between the auxiliary latch on the one hand and the tumbler on the other. The inventive use of the transmission member, the power transmission and / or the movement conditions between the auxiliary bolt and the tumbler can be arbitrarily selected to an extent that is not feasible with conventional panic locks, where the tumbler is driven directly from the bolt.

The tumbler is pivotally mounted in the housing. The tumbler can be rotatably mounted about a housing-fixed axis, such as a pin. The tumbler has means for interacting with the transmission member, such as a cam. The tumbler also has a locking means. The latching means may be a latching lug engaging in a recess of the latch. The locking means serves to the Lock latch in the closed position.

The inventive indirect interaction between auxiliary bolt and tumbler with the interposition of the transfer member manifold constructive freedoms arise. By the transfer link, the force caused by the auxiliary bolt and the corresponding motion ratios can be scaled transferred to the tumbler. By a corresponding design of the transmission member can be ensured that the necessary force for pivoting the tumbler can be achieved by a relation to the prior art reduced force on the auxiliary bolt. This facilitates the handling of the generic panic lock. In addition, the force acting on the auxiliary latch usually has to be transmitted to the tumbler in a force directed at right angles thereto. The known from the prior art direct interaction between the auxiliary bolt and the tumbler brings with it the risk of tilting with it. By the inventive arrangement of the intermediate transfer element, the risk of tilting can be significantly reduced. Thus, according to the invention, the reliability of the panic lock is improved and the forces required for the panic operation are reduced.

According to an advantageous embodiment of the invention, the transmission member is designed as a lever pivotally mounted in the housing, wherein the lever is driven by the auxiliary bolt, and wherein the tumbler is driven by the lever. The lever is pivotally mounted in the housing. The lever may be rotatably mounted about a housing-fixed axis, such as a pin. The lever has a means for cooperation with the auxiliary bolt, for example, a stop surface and / or a backdrop. The lever has means for interacting with the tumbler, for example, a stop surface and / or a backdrop.

According to an advantageous embodiment of the invention, the lever is designed as a panic lever. A panic lever is the emergency release in a panic operation on the lock itself. Such is not generated on the inactive leaf, but on the panic lock located in the moving wing. For this purpose, the panic lock on a nut, which interacts with the panic lever. The trick of this development is that one and the same lever both as a transmission element for a panic operation from outside, namely the low-wing side, as well as a panic on the panic lock itself, that is passer-side, is used. The lever or panic lever thus advantageously fulfills a dual function. The lever is motion coupled both with a panic lock side handle, for example using a pusher, as well as with the auxiliary bolt.

According to an advantageous embodiment of the invention, the bolt is locked in the open position with the tumbler. If the bolt is driven back into the housing in case of panic, it locked in accordance with this development in the open position with the guard. Once this condition has been reached, the door can be moved freely without the need to actuate a panic handle. The latch will not automatically return to the closed position.

According to an advantageous embodiment of the invention, the tumbler is arranged both in the open position and in the closed position in the same position relative to the housing. From the prior art tumblers are known, which are formed for example as a linearly movable slide. Such tumblers are in the open position in a first end position and in the closed position in a second, different from the first end position end position. The disadvantage here is that these known from the prior art tumblers must perform relatively large strokes. In contrast, the tumbler according to this development, both in the open position and in the closed position on the same situation. The deflection of the tumbler has, applied over the path of movement between the open position and the closed position, a parabolic course. The maximum required deflection of the tumbler can thereby be significantly reduced compared to the prior art. With this lower deflection is advantageously accompanied by a lesser required stroke of the auxiliary bolt. The same situation in this context means that the position of the tumbler in the open position and in the closed position is substantially similar. An identity is not important. All that matters is that the end positions in the open position and in the closed position do not differ as known from the prior art in such a way that they lie opposite one another, for example.

According to an advantageous embodiment of the invention, the lever has a in the locking position perpendicular to the direction of movement of the bolt extending stop surface for the auxiliary bolt. The auxiliary bar has in particular a cam, a nose and / or the like, which cooperates with the stop surface. Due to the further development of the training stop surface is an optimized power transmission.

According to an advantageous embodiment of the invention, the lever has a in the locking position radially to the axis of rotation of the tumbler extending stop surface for the tumbler. The tumbler may have a cam, a nose and / or the like for cooperation with the stop surface. Due to the further development of the training stop surface optimal power transmission is achieved at the beginning of a panic operation.

The force exerted by the auxiliary bolt on the lever and the resulting force exerted by the lever on the tumbler can be in the ratio of 1 to 2, in particular 1 to 3, particularly preferably 1 to 4.

The method, the invention has for its object to improve a generic method in terms of reliability and to reduce the forces required to carry out the process.

The object is the method, solved in that the tumbler movement technically indirectly coupling together the transmission member of the trigger mechanism is driven by the auxiliary latch with the interposition of a the tumbler and the auxiliary bolt. Essentially the same applies to the device-side solution.

According to an advantageous development of the method according to the invention, the transmission element, in particular the transmission element designed as a lever, is alternatively or additionally driven by a nut arranged in the housing. The transfer element fulfills a dual function. On the one hand, it serves to transmit a tread-side actuation force to the tumbler and, on the other hand, to transmit a bottom-side actuation force to the tumbler. In a gangway-side actuation force, the transmission member also serves to drive back the bolt. For this purpose, the transmission member engages the auxiliary bolt and urges the auxiliary bolt with the motion-coupled thereto latch in the direction of the open position.

According to an advantageous embodiment of the invention, the bolt is locked even when reaching the open position with the guard. For this purpose, the lever has a backdrop on which a cam of the tumbler slides. The backdrop provides a path through which the tumbler is first raised during pivoting of the lever and then, in particular at about half of the path of movement of the bolt from the closed position to the open position, the tumbler is lowered again.

According to an advantageous embodiment of the invention, a contact between the auxiliary bolt and the lever is formed at a extending in the locking position perpendicular to the direction of movement of the bolt stop surface in the case of the panic operation.

According to an advantageous embodiment of the invention, in the case of panic actuation, a contact between the lever and the tumbler is formed at a in the locking position radially to the axis of rotation of the tumbler extending stop surface.

According to an advantageous embodiment of the invention, the force exerted by the auxiliary bolt on the lever force in the transmission of the lever on the tumbler by a factor of two, in particular three, more preferably four reinforced.

Fig. 1:

eine Ausführungsform eines Schlosses mit geöffnetem Deckel in Perspektivansicht,

Fig. 2:

eine Explosionsansicht des Schlosses gemäß Fig. 1,

Fig. 3:

eine teilweise transparente Detailansicht einer ersten Erfindung im Bereich der Mechanik des Schlosses gemäß Fig. 1 in der Öffnungsstellung,

Fig. 4:

die Darstellung gemäß Fig. 3 bei Erreichen der Schließstellung,

Fig. 5:

die Darstellung gemäß Fig. 4 bei beginnender Betätigung der Schließeinrichtung zur Überführung in die Öffnungsstellung,

Fig.6:

die Darstellung gemäß Fig. 4, wobei der Riegel während einer Panikbetätigung teilweise zurückgetrieben ist,

Fig. 7:

die Darstellung gemäß Fig. 6, wobei der Riegel fast vollständig in die Öffnungsstellung zurückgetrieben ist,

Fig. 8:

die Darstellung gemäß Fig. 7, wobei der Riegel nach einer Panikbetätigung in die Öffnungsstellung zurückgekehrt ist,

Fig. 9:

eine Ausführungsform einer zweiten Erfindung im Zusammenhang mit dem Schloss gemäß Fig. 1 in der Schließstellung,

Fig. 10:

die Ausführungsform gemäß Fig. 9 bei beginnender Panikbetätigung, und

Fig. 11:

die Ausführungsform gemäß den Figuren 9 und 10 bei durch Panikbetätigung vollständig in die Öffnungsstellung zurückgetriebenem Riegel.

Further advantages and features will become apparent from the following description of the figures. Show it:

Fig. 1:

an embodiment of a lock with open lid in perspective view,

Fig. 2:

an exploded view of the castle according to Fig. 1 .

3:

a partially transparent detailed view of a first invention in the field of mechanics of the castle according to Fig. 1 in the open position,

4:

the representation according to Fig. 3 when reaching the closed position,

Fig. 5:

the representation according to Fig. 4 at the beginning of the operation of Locking device for transfer to the open position,

Figure 6:

the representation according to Fig. 4 wherein the latch is partially driven back during a panic operation,

Fig. 7:

the representation according to Fig. 6 , wherein the bolt is driven back almost completely into the open position,

Fig. 8:

the representation according to Fig. 7 wherein the latch has returned to the open position after a panic operation,

Fig. 9:

an embodiment of a second invention in connection with the lock according to Fig. 1 in the closed position,

Fig. 10:

the embodiment according to Fig. 9 at the beginning of panic operation, and

Fig. 11:

the embodiment according to the Figures 9 and 10 when completely by panic actuation driven back into the open position bolt.

Fig. 1 shows an embodiment of a lock 1 in a perspective view. Fig. 2 shows an exploded view of the lock 1. The lock 1 has a housing. The housing has a lock case 2 and a lid 3. The lock case 2 is closed with the lid 3. On one longitudinal side of the housing, a face plate 4 is arranged. In the case, a case 5 and a latch 6 are arranged. Both the latch 5 and the latch 6 are translationally movable relative to the housing.

In the housing, a nut 7 is arranged. The nut 7 has an annular body with an internal drive square and several levers. By means of the nut 7, the latch 5 and the latch 6 can be actuated. The nut 7 is rotatably mounted in the housing. When used as intended, the nut 7 is driven by a handle, for example a door latch and / or a panic push rod.

On the underside of the nut 7, an opening 8 is provided in the housing. In this opening 8, a lock cylinder 9 (see, for. Fig. 3 ). The lock cylinder 9 has a locking lug 10 which is rotatable by actuation of the lock cylinder 9 about its longitudinal axis.

In addition, a pivot lever 11, which can also be referred to as the first exclusion lever, and a (second) exclusion lever 12 are arranged in the housing. The pivot lever 11 and the exclusion lever 12 serve to actuate the bolt 6 by the lock cylinder 9. The pivot lever 11 has a cam 31 which is guided in a slot 32 of the second exclusion lever 12. The second exclusion lever 12 has a cam 13 which is guided in a slot 14 of the bolt 6.

In the housing, a tumbler 28 is arranged, which serves a latching of the bolt 5 either in the open position or in the closed position. The tumbler 28 is rotatably mounted on a housing-fixed pin 37.

In the housing a panic lever 16 is arranged. The panic lever 16 serves a kinematic coupling between the nut 7 and the bolt 6. By means of the panic lever 16 is a rotational movement in the nut 7 in a translational movement of the bolt 6 can be transformed. For this purpose, the panic lever 16 has a link 17, in which a cam 18 of the bolt 6 is guided. The panic lever 16 is rotatably mounted on a housing-fixed pin 33.

The pivot lever 11 is mounted on a pin 15 fixed to the housing. The pivot lever 11 is loaded by a leg spring 20.

The second exclusion lever 12 is mounted on a further pin 21 fixed to the housing. The exclusion lever 12 is loaded by a leg spring 19.

The FIGS. 3 to 8 show an embodiment of a first invention. This invention may be used in conjunction with any other features described herein, but is not limited to such use.

The FIGS. 3 to 5 show the intended use of the lock mechanism in the normal case, ie not in case of panic. Fig. 3 shows the opening position of the bolt 6. The latch 6 is fully retracted into the housing. The end face of the bolt 6 Flush flush with the surface of the forend 4. The pivot lever 11 is in the coupled position. A rotation of the locking lug 10 of the lock cylinder 9 in both directions of rotation is transmitted in a corresponding movement of the pivot lever 11. For this purpose, the pivot lever 19 has a U-shaped recess 23. The recess is bounded by a first leg 24 and a second leg 25. On the inner sides of the U-forming legs are stop surfaces 26, 27 are formed. During a rotation of the locking lug 10, this contacts the one or the other stop surface 26, 27. There is a corresponding power transmission.

The pivot lever 11 has a slot 22. The pivot lever 11 is inserted with the slot 22 on the housing-fixed pin 15. The also fixed to the housing fixed leg spring 20 is located with a leg on a contact surface of the pivot lever 11, not shown. By the spring force exerted by the leg spring 20, the pivot lever 11 urges in the coupled position ( Fig. 3 ).

The Indian Fig. 3 non-visible cam 31 of the pivot lever 11 engages in the slot 32 of the second exclusion lever 12 a. The exclusion lever 12 engages with its cam 13 in the gate 14 of the bolt 6 a. A pivoting movement of the pivot lever 11 due to an actuation of the lock cylinder 9 is transmitted to the latch 6 in terms of motion.

The latch 6 is locked with the tumbler 28 in the open position shown. For this purpose, a locking lug 30 of the tumbler 28 engages in a corresponding recess of the bolt 6 a. Accidental movement of the bolt 6 is thereby prevented.

Fig. 4 shows the closed position. The locking lug 10 has been rotated counterclockwise to achieve this closed position. By virtue of this movement of the closing lug 10, the tumbler 28 is raised on the one hand, so that the latching between the latching lug 30 and the latch 6 is released. On the other hand, the pivot lever 11 is pivoted in a clockwise direction accordingly. This pivoting movement of the pivot lever 11 is transmitted via the second exclusion lever 12 to the latch 6. The latch 6 protrudes forward from the housing. In this intended closed position of the first, the U-shape of the recess 23 forming leg 24 is moved over the radially extending side surface of the locking lug 10 on the end face thereof. To facilitate this movement, the stop surface is 27 partially curved.

The cam 18 of the bolt 6 abuts against a provided by the gate 17 contact surface of the panic lever 16.

Fig. 5 also shows the closed position, wherein the lock cylinder 9 has already been operated for the intended initiation of an opening movement. For this purpose, the locking lug 10 is rotated clockwise. In the present case, it comes to contact a radial side surface of the locking lug 10 and the stop surface 26 of the second leg 25 of the pivot lever 11. Would now be a further rotation of the locking lug 10 in a clockwise direction, the pivot lever 11 would be driven back counterclockwise. Thus, the exclusion lever 12 and thus the bolt 6 would be driven back. Finally, the locking lug 10 would not support the raised tumbler 28, so that the latching lug 30 would latch again with the latch. The open position would be reached.

The FIGS. 6 to 8 show a panic operation of the castle 1. In case of panic, the nut 7 is actuated by a panic bar, or another suitable handle. In such an operation, the nut 7 rotates about an axis perpendicular to the plane of the figure. A lever 38 of the nut 7 strikes against a lever 39 of the panic lever 16. The panic lever 16, which is pivotable about a housing-fixed axis of rotation is thereby deflected. The rotational movement of the nut 7 in the clockwise direction is converted into a rotational movement of the panic lever 16 in the counterclockwise direction. The guided in the gate 17 of the panic 16 cam 18 of the bolt 6 is urged due to the above-described rotational movement of the panic lever 16 in the direction of the open position. The bolt 6 thus moves in the plane of the figure to the right. It is crucial that the first leg 24 of the pivot lever 11 can slide on the end face of the locking lug 10. This is made possible in that the pivoting lever 11 is not only rotatable about the pin 15, but also in a direction radially to the axis of the pin 15 is translationally movable. The pivoting lever 11 can thus avoid the locking lug 10 standing in the way of driving it back. The pivot lever 11 has, so to speak, a compensation function. By this compensation function, the pivot lever 11 can compensate for any possible obstruction by the locking lug 10 (see. Fig. 7 ), so that the reliability compared to those known from the prior art Panic locks is significantly improved.

Fig. 8 shows the reached opening position after a panic operation. The latch 6 is again fully retracted into the housing. While the pivot lever 11 in the in the FIGS. 6 and 7 is shifted to the decoupled position, it is according to Fig. 8 returned to the coupled position. This coupled position is achieved due to the leg spring 20. The pivot lever 11 urges at a deflection in the direction of the decoupled position by the spring force of the leg spring 20 back into the coupled position.

The first leg 24 is shorter compared to the second leg 25. This allows, for example, from the in Fig. 4 shown configuration of the pivot lever 11 can slide with the first leg 24 on the end face of the locking lug 10, however, an operation of the pivot lever 11 by turning the locking lug 10 clockwise at any time is possible.

The FIGS. 9 to 11 show an embodiment of a second invention, which is independent of the previously described embodiment of a first invention, but can be used together with it. The core idea of this second invention is an auxiliary bolt 34. The auxiliary bolt 34 has a first end and a second, the first end opposite end. The first end provides a release tab. The second end provides a cam 18. The auxiliary bolt 34 is movably guided in a channel in the latch 6. The auxiliary bar 34 extends through the head of the bolt 6 therethrough. The release lug is in the closed position from the latch 6. The second end projects into the interior of the housing.

The cam 18 is guided on the link 17 of the panic lever 16. The object of this second invention is now that the panic function of the castle should not be initiated by an actuation of the nut 7, but by an external force. This external force acts on the end face of the bolt 6. Usually, such locks are used in two-leaf doors, wherein the one wing, for example, the inactive leaf, by actuation of the panic handle the second wing, in this case the active leaf, unlocked.

The trigger mechanism of the auxiliary bolt 34 causes the unlocking necessary forces against the known from the prior art panic locks can turn out significantly lower.

When an external force acts on the release lug of the auxiliary bolt 34, the triggering lug is first pushed into the latch 6. This insertion causes the cam 18 of the auxiliary bolt 34 presses against the gate 17 of the panic lever 16, so that the panic lever 16 is pivoted counterclockwise. Thus, according to the invention, there is already a pivoting of the panic lever 16 before the latch 6 is even moved. This premature rotation of the panic lever 16 already leads to the latch 6 and the tumbler 28 being separated from one another. This is because the panic lever 16 presses with a stop surface 36 against a cam 35 of the tumbler 28. Due to this compressive force, the locking lug 30 of the tumbler 28 is raised (see. Fig. 10 ). If the auxiliary bar 34 is fully inserted into the latch 6, the whole latch 6 can be moved into the lock. This is much easier than previously known from equip since the latch 6 is already separated from the tumbler 28.

Fig. 11 shows the open position. The latch 6 and the auxiliary latch 34 are fully inserted into the housing. The stop surface 36 providing the backdrop of the panic lever 16 is designed such that the tumbler 28 is brought with its cam 35 in this open position in such a position in which the latch 6 is locked again with the aid of the latching lug 30.

The path of movement of the auxiliary bolt 34 within the bolt 6 may be limited. If the panic lever 16 presses against the cam 18 of the auxiliary bolt 34 due to a lock-side panic actuation, this pressure force should also be transmitted to the bolt 6. For this purpose, it is provided that the auxiliary latch 34 can only be pushed into the latch 6 so far until the release tab is flush with the front face of the latch 6 at the end face.

List of reference numbers:

1

lock

2

lock case

3

cover

4

stulp

5

Cases

6

bars

7

nut

8th

opening

9

lock cylinder

10

Cam

11

pivoting lever

12

exclusion lever

13

cam

14

scenery

15

spigot

16

panic lever

17

scenery

18

cam

19

Leg spring

20

Leg spring

21

spigot

22

Long hole

23

recess

24

first leg

25

second leg

26

stop surface

27

stop surface

28

tumbler

29

contact area

30

locking lug

31

cam

32

scenery

33

spigot

34

auxiliary latch

35

cam

36

stop surface

37

spigot

38

lever

39

lever

Claims (17)

Panic lock for a double door, with a housing, a movable in the housing between an open position and a closed position latch 6 and a tumbler 28, wherein the latch 6 can be latched in the closed position with the tumbler 28, wherein the latching between the tumbler 28 and the latch 6 in the event of a panic actuation by a trigger mechanism is separable, which release mechanism is driven by a relative to the housing movably guided auxiliary latch 34, characterized in that the trigger mechanism has a tumbler 28 and the auxiliary latch 34 in terms of movement, in particular indirectly coupled together transmission member 16. A panic lock according to claim 1, characterized in that the transmission member 16 is formed as a pivotally mounted in the housing lever 16, wherein the lever 16 is driven by the auxiliary bolt 34, and wherein the tumbler 28 is driven by the lever 16. Panic lock according to claim 2, characterized in that the lever 16 is designed as a panic lever. Panic lock according to one of the preceding claims, characterized in that the latch 6 can be latched in the open position with the tumbler 28. Panic lock according to one of the preceding claims, characterized in that the tumbler 28 is arranged in the same position relative to the housing both in the open position and in the closed position. Panic lock according to one of the preceding claims, characterized in that the lever 16 has a in the locking position perpendicular to the direction of movement of the bolt 6 extending stop surface 17 for the auxiliary latch 34. Panic lock according to one of the preceding claims, characterized in that the lever 16 has a in the locking position radially to the axis of rotation of the tumbler 28 extending stop surface 36 for the tumbler 28. Panic lock according to one of the preceding claims, characterized in that the force exerted by the auxiliary bolt 34 on the lever 16 and the force exerted by the lever 16 on the tumbler 28 force in the ratio 1: 2, in particular 1: 3, particularly preferably 1: 4 stand. Panic lock according to one of the preceding claims, characterized in that the auxiliary bolt 34 is arranged in a formed in the bolt 6 channel. Panic lock according to one of the preceding claims, characterized in that the auxiliary bolt 34 in the closed position protrudes from the front side of the latch 6. A method for operating a panic lock for a double door, with a housing, a movable in the housing between an open position and a closed position latch 6 and a tumbler 28, wherein the latch 6 is locked in the closed position with the tumbler 28 and this locking in case a panic actuation is again separated by actuation of a trigger mechanism, which release mechanism is driven by a relative to the housing movably guided auxiliary latch 34, characterized in that the tumbler 28 with the interposition of a tumbler 28 and the auxiliary latch 34 motion technically in particular indirectly coupled together transfer member 16 of the trigger mechanism is driven by the auxiliary latch 34. A method according to claim 11, characterized in that the lever 16 formed as a transmission member 16 is driven by the auxiliary bolt 34 and rotated about a housing-fixed axis, wherein the tumbler 28 is driven by the lever 16. A method according to claim 11 or 12, characterized in that the transmission member 16 is alternatively or additionally driven by a nut 7 arranged in the housing. Method according to one of claims 11 to 13, characterized in that the bolt 6 is latched even when reaching the open position with the tumbler 28. Method according to one of claims 11 to 14, characterized in that in the case of the panic operation, a contact between the auxiliary bolt 34 and the lever 16 is formed at a in the locking position perpendicular to the direction of movement of the bolt 6 extending stop surface 17. Method according to one of claims 11 to 15, characterized in that in the case of panic actuation contact between the lever 16 and the tumbler 28 is formed at a in the locking position radially to the axis of rotation of the tumbler 28 extending stop surface 36. Method according to one of claims 11 to 16, characterized in that the force exerted by the auxiliary bolt 34 on the lever 16 force in the transmission from the lever 16 to the tumbler 28 by a factor of two, in particular three, more preferably four is reinforced.

Images