EP3626918B1 - Fitting for a window, window - Google Patents

Description

The invention relates to a fitting for a window, in particular a casement window, with the features of the preamble of claim 1. The invention also relates to a window, in particular a casement window, with such a fitting.

Insofar as a "window" is mentioned in the present case, this also includes windows designed as balcony doors. The term "window" therefore always includes balcony doors.

State of the art

Windows with a rotating sash or a rotating/tilting sash are known from the prior art. This means that the sash to be opened is attached to a window frame via a pivot bearing or a pivot/tilt bearing. A grip element is generally attached to the wing opposite the bearing side and is operatively connected to a gear mechanism for actuating a locking device. The locking device is locked or unlocked by changing the handle position of the handle element. The window can thus be secured against unauthorized opening with the aid of the locking device.

A locking device for a window usually has at least one pin, which can be brought into engagement with a pin receptacle arranged on the window frame with the aid of the gear. In this way, a form fit effective in the opening direction of the window is achieved via the pin engaging in the pin receptacle. The peg can be designed in such a way that it engages behind the peg receptacle at least in sections, so that a form fit that is effective perpendicular to the direction of movement of the peg is also achieved.

From the EP 0 249 683 A1 shows an example of a locking device for the wings of windows, doors or the like, which includes locking cams that can be brought into locking engagement with locking pieces arranged on the window frame by means of a gear mechanism having connecting rods. In addition, the closure device includes a spring catch, by means of which the sash can also be fixed to the frame. So that the spring catch can be made effective or ineffective between the sash and the frame, as required, the connecting rods of the gear mechanism can be moved into three different switching positions. In two of the three switching positions, the spring latch can be brought into locking engagement with an associated frame-side locking piece, while all other locking elements can only be placed in locking engagement in one of these two switching positions with their respective locking pieces. The locking function of the locking cams is thus retained, so that the required sealing connection between the sash and the frame can be produced via the locking cams that can be brought into locking engagement with the respective locking pieces. The spring catch alone cannot provide this tight seal, as it only has an additional locking function.

From the U.S. 2006/196236 A1 is also a lock, in particular an espagnolette lock, known with a latch and a bolt and with additional locks. The additional locks each have an additional bolt. For actuation The lock, including the additional locks, is provided with a handle that can be moved to different handle positions and can be reset to a neutral position by means of spring force.

Based on the prior art mentioned above, the present invention has for its object to provide a fitting for a window that not only meets the current requirements of the Energy Saving Ordinance (EnEV) in terms of air permeability and tightness, but also meets fire protection requirements. A window equipped with such a fitting should in particular be certifiable as a fire protection closure.

To solve the problem, the fitting with the features of claim 1 and the window with the features of claim 11 are proposed. Advantageous developments of the invention can be found in the respective dependent claims.

Disclosure of Invention

The proposed fitting for a window, in particular a side-hung window, comprises a gear, a first locking device which can be actuated by means of the gear and a second locking device which can be actuated by means of the gear, the first locking device having at least one pin which can be brought into engagement with a pin receptacle and the second locking device having at least one pin in Has spring catches which can be brought into engagement with a catch receptacle. The fitting also includes a handle element, which is operatively connected to a gear rod of the gear in order to actuate the gear and can be moved into at least three handle positions A, B, C. In handle position A both locking devices are activated, in handle position B only the second locking device is activated and in handle position C both locking devices are deactivated. According to the invention, the transmission comprises at least one return spring for automatically returning the handle element from handle position C to handle position B. This means that the handle element is automatically returned via the return spring to a handle position in which the spring catch is activated again after it has been deactivated (handle position C). (grip position B). The restoring spring thus not only ensures that the window closes automatically, but also remains closed until the handle element is moved into the handle position C again.

With the help of the hardware, a window can be upgraded to a fire protection element, since it meets the requirements of self-closing and positive locking. In contrast to a purely non-positive locking device, the form-locking locking device cannot be disengaged or disengaged by pressure on the sash of the window. To do this, the grip element must be actively actuated, specifically against the spring force of the return spring.

The spring force of the restoring spring is designed to be sufficiently strong so that it is able to return the gripping element to the gripping position B. In order to keep the distance as short as possible, the handle position B is preferably arranged between the handle position A and the handle position C, and is preferably still closer to the handle position C than to the handle position A.

If the gripping element has an elongated olive or handle, this is preferably aligned vertically in the gripping position A and preferably horizontally in the gripping position B. In order to move the handle element from handle position A to handle position B, the olive or the handle must therefore be rotated by 90°. In order to move from handle position B to handle position C, the handle element must be rotated further in the same direction of rotation, but preferably by less than 90°, more preferably by less than 60°. For example, the fitting can be designed in such a way that a rotation of 45° is sufficient to move the handle element from handle position B to handle position C.

According to the invention, the restoring spring is directly or indirectly operatively connected to the gear rod, so that the restoring force of the restoring spring can be transmitted to the gripping element via the gear rod. The restoring force of the restoring spring is preferably converted into a restoring moment, since the operative connection between the handle element and
Gear rod is preferably such that a rotary movement of the handle element leads to a displacement of the gear rod or a displacement of the gear rod to a rotary movement of the handle element. A corresponding operative connection between the handle element and the gear rod can be produced, for example, via a nut gear.

The restoring force required for restoring the gripping element can be implemented with the aid of a single restoring spring. In order to reduce the space required, only a single return spring is therefore preferably provided. One return spring is preferably arranged separately from the two locking devices on the gear rod or on a gear rod extension connected to the gear rod, so that there is a direct or indirect operative connection between the return spring and the gear rod.

For example, the return spring can be arranged as an extension of the gear rod. For this purpose, one end of the restoring spring is preferably connected to one end of the gear rod or to one end of a gear rod extension. In this case, the direction of movement of the gear rod or the gear rod extension corresponds to the tensioning direction of the return spring. This means that the return spring is tensioned when the gear rod or the gear rod extension is moved by actuating the handle element.

Alternatively, it is proposed that the restoring spring is arranged parallel to the direction of movement of the gear rod or a gear rod extension. The parallel arrangement also ensures that the return spring is tensioned by movement of the gear rod or the gear rod extension. In addition, the parallel arrangement has the advantage that the position of the return spring on the gear rod or on the gear rod extension can be largely freely selected and can therefore be optimally adapted to the respective installation space conditions.

The restoring spring is preferably tensioned when the handle element is transferred from the handle position B to the handle position C. Tensioning the return spring leads to an automatic return of the handle element to handle position B as soon as it is released.

The restoring spring is advantageously designed as a tension spring, in particular as a helical tension spring. The tension spring or helical tension spring has the advantage that it does not require any guidance since—in contrast to, for example, a helical compression spring—buckling under load is not to be feared.

Furthermore, it is proposed that the at least one spring catch of the second locking device is operatively connected to the transmission rod and/or to a transmission rod extension. This means that the spring latch can also be directly or indirectly operatively connected to the gear rod. An operative connection with the handle element is in turn established via the direct or indirect operative connection with the gear rod. The second locking device can thus be deactivated by actuating the gripping element.

The position of the at least one spring latch can be chosen freely to a large extent. Furthermore, several spring catches can be distributed evenly, which proves to be an advantage, especially with large window sashes.

If a gear rod extension is provided, this is preferably aligned at an angle to the gear rod and connected to it via a deflection device. This enables the at least one spring latch to be arranged around a corner in relation to the gear rod, so that the spring latch does not necessarily have to be arranged in the area of a main closing edge of a window sash, but can also be arranged in the area of a secondary closing edge can. The main closing edge of a leaf is usually defined by the position of the handle element. This is usually followed by two secondary closing edges, each of which runs perpendicular to the main closing edge in the case of a rectangular leaf. If at least one spring catch is arranged in the area of at least one secondary closing edge, this area can also be additionally secured by a form-fitting tumbler. This is particularly useful if the window sash has a certain width.

As already mentioned, the restoring spring can be arranged as an extension of the gear rod at one end of the gear rod or on a gear rod extension connected to the gear rod. If the gear rod extension is connected to the gear rod via a deflection device and is therefore arranged at an angle to the gear rod, "in an extension" of the gear rod can also mean that the return spring is aligned at an angle to the gear rod.

According to a preferred embodiment of the invention, the second locking device comprises at least two spring catches, which are operatively connected to different transmission rod extensions, each of which is connected to the transmission rod via a deflection device. In this arrangement, two secondary closing edges of a wing can each be provided with at least one spring catch, for example two secondary closing edges located opposite one another on the wing, in particular an upper and a lower secondary closing edge. The spring catches located opposite one another on the secondary closing edges of a leaf result in a substantially symmetrical and therefore optimal locking of the leaf.

Furthermore, it is proposed that at least one pin of the first locking device is arranged at a distance from the at least one spring catch of the second locking device and the distance through Pressing the transmission can be changed. This means that the first and second locking devices are operable independently of one another, for example to deactivate the first locking device while the second locking device remains activated or to deactivate the second locking device while the first locking device remains deactivated.

For this purpose, the at least one pin of the first locking device is preferably connected to the transmission rod or to a transmission rod extension in a fixed or non-changeable position, while the spring latch is connected or operatively connected to the transmission in such a way that the transmission rod and/or the transmission rod extension can be moved without operating the spring catch. This is particularly advantageous when the handle element is transferred from the handle position A to the handle position B in order to deactivate the first locking device. The second locking device then remains activated. However, if the handle element is transferred from handle position B to handle position C, an operative connection of the spring catch with the gear rod and/or the gear rod extension is established, for example via a driver and/or a stop, so that the gear rod and/or the gear rods -Extension carries the spring catch to deactivate the second locking device as well.

The distance between the at least one pin and the at least one spring catch, which can be changed by means of the gearing, can be measured along a single closing edge of the leaf, as well as across a corner along a first and a second closing edge.

However, preference is given to at least one pin of the first locking device and at least one spring catch of the second locking device on the same closing edge, i.e. the main closing edge or secondary closing edge wing arranged. Since the spring catch has only one additional locking function, an optimal sealing closure can be achieved by the at least one pin on the same closing edge when the first locking device is activated. This applies in particular when the wing is comparatively high and/or wide. Particularly preferably, several pins of the first locking device are distributed over the main closing edge and at least one secondary closing edge of the wing, so that an optimal sealing connection is achieved all around. The pins are then actuated via the gear rod and at least one gear rod extension.

According to a preferred embodiment of the invention, the spring catch comprises a locking element that is mounted to move back and forth and is prestressed by means of the spring force of a spring, which can be brought into engagement with a locking receptacle. The locking element can in particular be designed analogously to a latch in a door lock. In this case, the bolt receiver assumes the function of the striking plate. If the locking element is in engagement with the locking receptacle, a form fit is achieved, which preferably acts in the opening direction of the leaf and thus prevents unintentional or unauthorized opening. In this respect, the locking element is similar to the case of a door lock.

The locking element preferably has a ramp that faces the bolt receptacle, so that when the ramp strikes the bolt receptacle, the locking element is pushed back against the prestressing force of the spring. This facilitates the creation of the form fit and at the same time promotes independent closing. Alternatively or additionally, a run-on bevel can be formed in the area of the bolt receptacle.

The latch receptacle is preferably formed within the latch receptacle. In this way, a double form fit can be produced. A first form fit is achieved when closing the wing that the Spring catch engages in the catch holder. A second positive locking is then achieved in that the locking element falls into the locking receptacle. While the second positive locking acts in the opening direction of the wing, the first positive locking preferably acts perpendicularly thereto, ie in the plane of the wing.

Furthermore, it is proposed that the spring latch includes a housing in which the spring-loaded locking element is mounted so that it can move back and forth and is supported on the housing via the spring. The locking element can be guided via the housing. The locking element is preferably accommodated in the housing in such a way that the section to be brought into engagement with the locking receptacle, preferably the section with the ramp, protrudes from the housing. In order to create the positive connection with the bolt receptacle, the locking element is first pressed further into the housing of the spring catch against the spring force of the spring prestressing the bolt element, in order to then subsequently fall into the bolt receptacle.

If the bolt receptacle is formed within the catch receptacle, the spring catch must first be brought into engagement with the catch receptacle. Only then can the locking element be brought into engagement with the locking receptacle. In order to bring the spring catch into engagement with the catch receptacle, the outer contour of the housing is preferably adapted to the inner contour of the catch receptacle.

It is also proposed that the spring catch be connected to a faceplate of the gear mechanism via the housing. The cover rail is usually used to cover a gear rod and/or a gear rod extension of a gear. This means that the faceplate is placed on the outside of the sash. The faceplate is therefore particularly suitable for arranging and attaching the spring catch. In contrast to the gear rod and/or the gear rod extension, the faceplate does not cause any movements an actuation of the handle element, so that the position of the spring catch does not change in relation to the catch receptacle. This ensures that when the sash is closed, the spring catch hits the catch holder that is permanently mounted on the window frame. For example, the housing of the spring catch can be attached to the faceplate by means of a screw connection for connection to the gear mechanism.

Since the position of the housing of the spring catch is preferably unchangeable, the locking element must be moved relative to the housing in order to deactivate the second locking device. This presupposes that there is an operative connection between the locking element and the transmission.

In a further development of the invention it is therefore proposed that the locking element of the spring catch has a guide pin which extends perpendicularly to the direction of movement of the locking element and engages in a guide of the gear mechanism. The necessary operative connection for actuating, in particular for deactivating, the spring catch or the second locking device can then be produced via the guide pin engaging in the guide when the gripping element is transferred from the gripping position B to the gripping position C.

The guide of the gear, in which the guide pin engages, is preferably designed as a long hole, so that the operative connection between the spring catch and the gear is produced only temporarily. This is because a deactivation of the spring latch or the second locking device is preferably only desirable when the gripping element is brought from gripping position B into gripping position C. The design of the guide as a slot ensures the degrees of freedom required for this.

The operative connection between the spring catch and the gear mechanism is preferably achieved by a stop edge delimiting the guide. arrived the guide pin for resting on the stop edge, the locking element of the spring catch having the guide pin is actuated by the gear or carried along by the gear rod and/or the gear rod extension, which forms the guide. Depending on the specific position of the spring catch in relation to the gripping element, the locking element is pulled or pushed out of the locking receptacle against the spring force of the spring that pretensions the locking element.

If the locking element that has the guide pin is at least partially accommodated in a housing of the spring catch and/or the gear rod or gear rod extension, which forms the guide, is covered by a faceplate, to establish the operative connection between the spring catch and the gear, the bolt on the locking element arranged guide pins be designed and arranged in such a way that it penetrates the housing and / or the faceplate. The housing and/or the faceplate therefore preferably each have a recess through which the guide pin can be passed. The recesses are preferably embodied as oblong holes, so that it is further ensured that the guide pin comes to rest on the stop face of the guide formed in the gear rod or in the gear rod extension.

The advantages of the fitting according to the invention come into play in particular in connection with a window. Therefore, a window, in particular a rotating sash window, is also proposed, which comprises a frame and a sash rotatable relative to the frame for opening and closing the window, as well as a fitting according to the invention arranged between the frame and the sash. The window is upgraded by the fitting according to the invention to a fire-resistant window that not only meets the applicable requirements in terms of tightness according to the current Energy Saving Ordinance (EnEV), but also applicable fire protection requirements.

The fitting according to the invention enables the realization of a self-closing window that is held in the closed state with a positive fit. This is because the handle element provided for deactivation is automatically reset by the transmission into a handle position in which the deactivation of the second locking device is canceled or the second locking device is activated. The second locking device cannot be deactivated without active actuation of the grip element again.

Like a self-closing smoke protection door, the window can also be equipped with a closer that pulls the sash into the frame. This applies in particular if the sash of the window equipped with the fitting according to the invention is only designed as a rotating sash, which is connected to the window frame exclusively via pivot bearings. The closer can then be installed instead of the upper release bearing that is usually provided for a turn/tilt sash, which enables the sash to tilt.

In the case of the window according to the invention, the handle element, the gear and the at least one pin of the first locking device and the at least one spring catch of the second locking device are preferably connected to the sash. The pin receptacle and the catch receptacle are arranged opposite or opposite one another on the frame. All fixed, non-moving parts of the fitting are therefore arranged on the frame and all moving parts on the sash.

The fitting or the fitting parts are preferably arranged in a rebate between the frame and the sash. The fitting or the fitting parts are designed in such a way that they hardly build up and/or can be embedded at least in sections in the frame or the sash. For example, a circumferential groove for receiving the gear rod and/or the gear rod extension can be formed in the rebate area of the sash. The groove can then be closed with a faceplate. As an alternative or in addition, the catch receptacle of the second locking device can be let into the window frame. The installation space required by the fitting can be reduced to a minimum by these measures - individually or in combination.

In a preferred embodiment of the invention, the handle element is arranged in the area of a vertically running main closing edge of the sash, which is arranged opposite an edge in the area in which the sash is rotatably mounted on the window frame. The fitting in the area of the main closing edge can interact with corresponding recordings that are arranged on the frame, on a fixed post between the wing and another wing or on a double wing. Because the window according to the invention does not necessarily have to be a single-leaf window.

Furthermore, at least one spring catch of the provided second locking device is preferably arranged in the area of a secondary closing edge of the leaf arranged at an angle to the main closing edge. Particularly preferably, both secondary closing edges of the leaf each have at least one spring catch. The sash is thus held closed at several points, in particular at opposite edges, so that the locking forces are evenly distributed and the sash lies as flat as possible on the frame.

Fig.1

eine Explosionsdarstellung eines erfindungsgemäßen Fensters mit einem erfindungsgemäßen Beschlag gemäß einer ersten bevorzugten Ausführungsform,

Fig. 2

einen vergrößerten Ausschnitt der Fig. 1 im Bereich des oberen Federschnäppers in der Griffstellung B,

Fig. 3

einen vergrößerten Ausschnitt der Fig. 1 im Bereich des oberen Federschnäppers in der Griffstellung C,

Fig. 4

einen vergrößerten Ausschnitt der Fig. 1 im Bereich des oberen Federschnäppers in der Griffstellung A,

Fig. 5

einen vergrößerten Ausschnitt der Fig. 1 im Bereich der Rückstellfeder,

Fig. 6

eine Draufsicht auf einen Teil des Getriebes mit separater Rückstellfeder,

Fig. 7

eine Draufsicht auf eine Schnäpperaufnahme,

Fig. 8

eine Schnittansicht der Schnäpperaufnahme der Fig. 7,

Fig.9

eine Schnittansicht eines mit der Schnäpperaufnahme der Figuren 7 und 8 zusammenwirkenden Federschnäppers,

Fig. 10

eine perspektivische Darstellung einer Schnäpperaufnahme, eines Federschnäppers, einer Stulpschiene und einer Getriebestangen-Verlängerung,

Fig. 11

a) und b) jeweils eine Draufsicht auf eine Schnäpperaufnahme mit Federschnäpper, a) bei ausgefahrenem Riegelelement und b) bei zurückgezogenem Riegelelement,

Fig. 12

a) eine Seitenansicht des Federschnäppers der Fig. 11 und b) eine Seitenansicht der Schnäpperaufnahme der Fig. 11,

Fig. 13

eine Seitenansicht eines Federschnäppers und eine Draufsicht auf eine Stulpschiene,

Fig. 14

eine perspektivische Darstellung eines an einer Stulpschiene befestigten Federschnäppers,

Fig. 15

eine weitere perspektivische Darstellung des Federschnäppers der Fig. 14,

Fig. 16

einen vergrößerten Ausschnitt der Fig. 1 im Bereich des unteren Federschnäppers,

Fig. 17

eine Schnittansicht der zugehörigen Schnäpperaufnahme,

Fig. 18

eine Draufsicht auf die zugehörige Schnäpperaufnahme,

Fig. 19

eine Seitenansicht der unteren Umlenkeinrichtung einschließlich der anschließenden Getriebeteile sowie eine Draufsicht auf die zugehörige Stulpschiene,

Fig. 20

einen vergrößerten Ausschnitt der Fig. 1 im Bereich des unteren Federschnäppers in der Griffstellung B,

Fig. 21

einen vergrößerten Ausschnitt der Fig. 1 im Bereich des unteren Federschnäppers in der Griffstellung A,

Fig. 22

einen vergrößerten Ausschnitt der Fig. 1 im Bereich des unteren Federschnäppers in der Griffstellung C,

Fig. 23

eine Explosionsdarstellung eines erfindungsgemäßen Fensters mit einem erfindungsgemäßen Beschlag gemäß einer weiteren bevorzugten Ausführungsform,

Fig. 24

a) einen vergrößerten Ausschnitt der Fig. 23 im Bereich der Rückstellfeder, b) eine Explosionsdarstellung der Rückstellfeder,

Fig. 25

eine perspektivische Darstellung der Rückstellfeder in der Griffstellung A,

Fig. 26

eine perspektivische Darstellung der Rückstellfeder in der Griffstellung B und

Fig. 27

eine perspektivische Darstellung der Rückstellfeder in der Griffstellung C.

Preferred embodiments of the invention are described in more detail below with reference to the accompanying drawings. These show:

Fig.1

an exploded view of a window according to the invention with a fitting according to the invention according to a first preferred embodiment,

2

an enlarged section of the 1 in the area of the upper spring catch in handle position B,

3

an enlarged section of the 1 in the area of the upper spring catch in handle position C,

4

an enlarged section of the 1 in the area of the upper spring catch in handle position A,

figure 5

an enlarged section of the 1 in the area of the return spring,

6

a top view of part of the gear with a separate return spring,

7

a top view of a snap shot,

8

a sectional view of the snap shot 7 ,

Fig.9

a sectional view of one with the snap shot Figures 7 and 8 cooperating spring latch,

10

a perspective view of a catch holder, a spring catch, a faceplate and a gear rod extension,

11

a) and b) in each case a top view of a catch holder with spring catch, a) with the locking element extended and b) with the locking element retracted,

12

a) a side view of the spring latch Fig. 11 and b) a side view of the snap shot 11 ,

13

a side view of a spring catch and a top view of a faceplate,

14

a perspective view of a spring catch attached to a faceplate,

15

another perspective view of the spring latch 14 ,

16

an enlarged section of the 1 in the area of the lower spring catch,

17

a sectional view of the associated catch holder,

18

a top view of the associated catch holder,

19

a side view of the lower deflection device including the subsequent gear parts and a top view of the associated faceplate,

20

an enlarged section of the 1 in the area of the lower spring catch in handle position B,

21

an enlarged section of the 1 in the area of the lower spring catch in handle position A,

22

an enlarged section of the 1 in the area of the lower spring catch in handle position C,

23

an exploded view of a window according to the invention with a fitting according to the invention according to a further preferred embodiment,

24

a) an enlarged section of the 23 in the area of the return spring, b) an exploded view of the return spring,

25

a perspective view of the return spring in the handle position A,

26

a perspective view of the return spring in the handle position B and

27

a perspective view of the return spring in handle position C.

Detailed description of the drawings

That in the 1 Window 2 shown comprises a movable wing 22 and a fixed window frame 21, the frame parts of which are shown separately and apart for a better overview. Furthermore, different views of the frame parts are shown in such a way that they overlap. In addition, the respective profile cross sections are drawn into the views of all frame parts, including those of the wing 22 .

The wing 22 is rotatably mounted on the window frame 21 via pivot bearings 32 . The sash 22 can thus be rotated or pivoted about the common axis of rotation of the pivot bearing 32 in order to open the window 2 . The window 2 shown does not have a tilting function, so that it is purely a casement window.

To open the window 2, a handle element 10 is attached to the wing 22 (in FIG 1 not shown). The handle element 10 defines a main closing edge 23 of the window 2 which is arranged opposite an edge 24 which is associated with the pivot bearings 32 . An upper and a lower secondary closing edge 25 extend between the main closing edge 23 and the edge 24. Parts of a fitting 1 are arranged in the area of the main closing edge 23 and the secondary closing edges 25, by means of which the window 2 can be locked when the sash 22 is closed. For this purpose, the fitting has a first locking device 4 and a second locking device 5 as well as a gear 3 for actuating the locking devices 4, 5. The gear 3 in turn can be actuated by means of the handle element 10 .

To actuate the gear 3, the handle element 10 is operatively connected via a nut gear 33 to a gear rod 11 of the gear 3 in such a way that a rotary movement of the handle element 10 leads to a displacement of the gear rod 11 in the direction of its longitudinal extent. Since in the present case the transmission rod 11 is connected at each of its two ends via a deflection device 14 to a transmission rod extension 13, these are also displaced. For example, when the handle member 10 is rotated clockwise, the gear rod 11 moves up while the upper gear rod extension 13 moves to the right and the lower gear rod extension 13 moves to the left. When the handle element 10 rotates counterclockwise, the situation is reversed, that is, the gear rod 11 moves downwards, while the upper gear rod extension 13 moves to the left and the lower one Move gear rod extension 13 to the right. By moving the gear rod 11 or the gear rod extensions 13, pins 7 of the first locking device 4 attached thereto can be brought into engagement with pin receptacles 6, which are opposite the pins 7 on the window frame 21. In addition, the second locking device 5 can be actuated by means of the gear mechanism 3, which in the present case comprises a first spring catch 9 arranged on the upper secondary closing edge 25, a second spring catch 9 arranged on the lower secondary closing edge 25 and catch receptacles 8 located opposite these on the frame 21.

The structure of the second locking device 5 is based on the Figures 7 to 9 and 11 and 12 explained.

In the Figures 7 and 8 the snap holder 8 is shown. It has a basic recess 34 for receiving a housing 17 of the spring catch 9 . The inner contour of the basic recess 34 is adapted to the outer contour of the housing 17 . At both of its ends, the basic recess 34 is extended by a bolt receptacle 16 for a locking element 15 of the spring catch 9 . A run-on bevel 27 is located in front of each of the bolt receptacles 16 . The snap shot 8 shown is constructed symmetrically. It is fastened to the window frame 21, with the catch holder 8 preferably being embedded flush in the window frame 21 (see 8 ). The attachment can be done for example by means of screws. To accommodate the screws 34 screw receptacles 31 are arranged on both sides of the basic recess.

The spring catch 9 is arranged opposite the catch receptacle 8 on the wing 22 . In contrast to the catch holder 8, the spring catch 9 is not constructed symmetrically (see 9 ). This is because the locking element 15 protrudes from the housing 17 on one side in order to engage with a locking receptacle 16 of the catch receptacle 8 . The locking element 15 is this back and forth movably received in the housing 17 and supported on the housing 17 via a spring (not shown).

Figure 11a shows an activated spring catch 9 by way of example. The spring catch 9 is accommodated in the catch receptacle 8 and the locking element 15 engages in the locking receptacle 16 . The end of the locking element 15 engaging in the locking receptacle 16 has a ramp 26 which interacts with the corresponding ramp 27 of the catch receptacle 8 .

Figure 11b Fig. 13 shows the same spring catch 9 but in the deactivated state, since the locking element 15 is fully retracted into the housing 17, so that the locking engagement is released. The locking element 15 is pulled back (or pushed back) with the aid of the gear mechanism 3 .

Again 12a can be seen, for this purpose the locking element 15 has a guide pin 19 on its underside, which is guided through the housing 17 . The corresponding recess in the housing 17 is preferably designed as a slot so that the locking element 15 can move back and forth. In the Figure 12b the associated snap holder 8 is shown again.

The guide pin 19 guided through the housing 17 engages in a guide 20 of the gear rod extension 13, with the guide pin 19 also reaching through a faceplate 18 which serves to cover the gear rod extension 13 (see Fig figures 9 , 10 and 13 ). Analogously to the housing 17, the faceplate 18 also has a recess 28 designed as an elongated hole for the guide pin 19 to pass through (see Fig figures 10 and 13 ). The faceplate 18 is not moved when the gear mechanism 3 is actuated, so that the housing 17 of the spring catch 9 can be attached thereto, for example by means of screws. For this purpose, the faceplate 18 and the housing 17 are equipped with appropriate screw mounts 31 (see 13 ).

Like that one in particular 10 as can be seen, the guide 20 formed in the transmission rod extension 13 has a stop edge 29 for the guide pin 19 of the locking element 15 which can be moved back and forth. In contact with the stop edge 29, the guide pin 19 and thus the locking element 15 are carried along during a movement of the transmission rod extension 13 against the spring force of the locking element 15 prestressing spring (not shown).

Based on Figures 2 to 4 , each showing the upper spring catch 9, the functioning of the second locking device 5 is explained below.

Located according to the 2 the grip element 10 in a grip position B, the first locking device 4 is deactivated, i.e. the pins 7 are not in engagement with the pin receptacles 6, while the second locking device 5 is activated (see also 14 ). Because the locking element 15 is extended and is therefore in engagement with the bolt receptacle 16 (if the wing 22 is closed or rests against the frame 21).

If the handle element is transferred from the handle position B to the handle position C, as exemplified in FIG 3 As shown, the gear rod 11 moves downward while the gear rod extension 13 moves to the left. During this movement, the locking element 15 is pulled into the housing 17 of the spring catch 9 and the second locking device 5 is deactivated (see also 15 ). At the same time, a restoring spring 12 is tensioned, which is arranged at the end as an extension of the transmission rod extension 13 . The tensioned return spring 12 causes the handle element 10 to be pulled back into the handle position B when it is released (see arrow in Fig 3 ), so that the second locking device 5 is automatically activated again.

To activate the first locking device 4, the grip element 10 according to the 4 transferred from the handle position B to the handle position A, which corresponds to a 90° rotation of the handle element 10 . The gear rod 11 moves up, the gear rod extension 13 moves to the right. The entrained pins 7 are brought into engagement with the pin receptacles 6 (see arrows). The second locking device 5 remains - unchanged - activated.

Like the Figures 5 and 6 can be seen, in the illustrated embodiment, the return spring 12 is arranged in the area of the upper secondary closing edge 25 and is designed as a helical tension spring. It is not absolutely necessary to arrange the restoring spring 12 in the area of the upper secondary closing edge 25 and/or to design it as a helical tension spring. However, the embodiment as a helical tension spring has the advantage that the restoring spring 12—in contrast to a helical compression spring—cannot buckle under tension or load. It then depends on the direction of movement of the gear rod 11 and the gear rod extensions 13 as to where the helical tension spring is to be arranged in the gear 3 . The arrangement must be made in such a way that it is ensured that the return spring 12 is tensioned when the second locking device 5 is deactivated. Because only then is the second locking device 5 to be regarded as "self-locking" within the meaning of the Fire Protection Ordinance.

Based on Figures 16 to 22 , Each of the lower spring catch 9 of the window 2 of 1 show, the functioning of the second locking device 5 is explained again, since it is important to point out small differences. Like that one in particular 16 can be seen, the orientation of the lower spring catch 9 is changed. This is because the locking element 15 projects out of the housing 17 on the left-hand side. Because the snap holder 8 is designed symmetrically is, the same latch holder 8 can be used both for the upper spring latch 9 and for the lower spring latch 9. Accordingly, this does not differ from the catch holder 8 for the upper spring catch 9 (see Fig Figures 17 and 18 ).

19 shows that the transmission rod 11 is connected at its lower end via a deflection device 14 to a transmission rod extension 13, so that when the transmission rod 11 moves downwards the transmission rod extension 13 is shifted to the right. The same applies to the pins 7 of the first locking device 4 arranged on the transmission rod extension 13. In the faceplate 18 covering the transmission rod extension 13, there are recesses 30 analogous to the recess 28 for the guide pin 19 of the locking element 15.

Is the grip element 10 according to the 20 in the handle position B, the first locking device 4 is deactivated, while the second locking device 5 is activated since the locking element 15 of the spring catch 9 is extended.

Will according to the 21 If the handle element 10 is transferred from the handle position B to the handle position A, the transmission rod extension 13 is displaced to the left and with it the pins 7 so that they are brought into engagement with the pin receptacles 6 (in the 21 not shown). The second locking device 5 is not actuated since the guide pin 19 of the locking element 15 does not come to rest against the stop edge 29 of the guide 20 formed in the transmission rod extension 13 . Thus, a distance a between the pin 7 and the spring catch 9 increases.

However, according to the 22 the handle element 10 transferred to the handle position C, the transmission rod extension 13 shifts to the right and with it the Pin 7, so that the distance a is smaller again. At the same time, the guide pin 19 of the locking element 15 comes to rest against the stop edge 29 of the guide 20 so that the locking element 15 is carried along and pressed into the housing 17 of the spring catch 9 . In the handle position C, both locking devices 4 and 5 are thus deactivated. In that regard, the functioning of the lower spring catch 9 corresponds to that of the upper one. In contrast to the upper spring latch 9, however, the lower spring latch 9 is not pulled into the housing 17 by the gear mechanism 3, but is pressed.

In the 23 Another window 2 is shown in an exploded view with a fitting 1 according to the invention, which differs from the fitting 1 described above in particular by the position of the return spring 12 . This time, the restoring spring 12 is not arranged in the area of a secondary closing edge 25, but in the area of the main closing edge 23, specifically in a recess 42 of the leaf 22. In this way, space is created in the area of the secondary closing edge 25 for a closer 35, which when the window is open 2 automatically moves the sash 22 back into the closed position, so that the window 2 is self-closing.

The window 2 of 23 is analogous to window 2 of 1 shown, that is, that also in the 23 different views are superimposed or profile cross-sections are drawn in the views.

The fitting 1 of the window 2 of 23 again has a gear 3 with a gear rod 11 and gear rod extensions 13 connected at each end to the gear rod 11 via a deflection device 14 . The gear rod 11 and the gear rod extensions 13 are equipped with pins 7 of a first locking device 4 which can be brought into engagement with pin receptacles 6 of the window frame 21 . The transmission rod extensions 13 also each have a spring catch 9 of a second locking device 5, which engages with a catch receptacle 8 of the Frame 21 can be brought. The functioning of the two locking devices 4, 5 corresponds to that of the window 2 described above, so that in this regard to the description of Figures 1 to 22 is referenced. Only the modified arrangement and design of the return spring 12 will be discussed below.

Like the one in particular Figures 12a) and 12b ) It can be seen that the return spring 12 accommodated in the recess 42 of the wing 22 is designed as a helical tension spring. A first end of the restoring spring 12 is operatively connected to the gear rod 11 via a fastening element 36, which is designed here as a screw, in such a way that the restoring spring 12 is carried along when the gear rod 11 moves. However, the return spring 12 is only tensioned when the handle element 10 moves out of the handle position B (see FIG 26 ) to grip position C (see 27 ) is transferred. At the other end, the return spring 12 is fixed to the wing 21 via a guide rail 37 and a fastening element 39 engaging in a slot 40 in the guide rail 37, so that the return spring 12 and the guide rail 37 can move relative to the wing 21. This ensures that when the handle element 10 moves out of the handle position A (see 25 ) to handle position B (see 26 ) no tensioning of the return spring 12 takes place, but only the first locking device 4 is deactivated. The return spring 12 is not tensioned until the fastening element 39 comes to rest against the guide rail 37 (see FIG Figures 26 and 27 ).

In addition, a guide pin 38 engages in the slot 40 of the guide rail 37 and is passed through a slot 41 in the gear rod 11 and fixedly connected to a faceplate 18 covering the gear rod 11 . The position of the guide pin 38 is therefore unchangeable.

Reference List

1

fitting

2

Window

3

transmission

4

locking device

5

locking device

6

trunnion mount

7

cones

8th

snap shot

9

spring latch

10

grip element

11

gear rod

12

return spring

13

Transmission rod extension

14

deflection device

15

locking element

16

latch mount

17

Housing

18

faceplate

19

pilot

20

guide

21

frame

22

wing

23

main closing edge

24

edge

25

secondary closing edge

26

ramp

27

leading edge

28

recess

29

stop edge

30

recess

31

screw mount

32

pivot bearing

33

Nut gear

34

basic recess

35

closer

36

fastener

37

guide rail

38

guide pin

39

fastener

40

Long hole

41

Long hole

42

recess

Claims (14)

1. Fitting (1) for a window (2), in particular a side-hung window, comprising a gear (3), a first locking device (4) which can be actuated by means of the gear (3), and a second locking device (5) which can be actuated by means of the gear (3), wherein the first locking device (4) has at least one pin (7) which can be brought into engagement with a pin receptacle (6) and the second locking device (5) has at least one spring latch (9) which can be brought into engagement with a latch receptacle (8), further comprising a handle element (10), which, for actuation of the gear (3), is operatively connected to a gear rod (11) of the gear (3) and is movable into at least three grip positions (A, B, C), wherein, in the grip position (A), both locking devices (4, 5) are activated, in the handle position (B) only the second locking device (5) is activated, and in the handle position (C) both locking devices (4, 5) are deactivated, and wherein the gear (3) comprises at least one return spring (12) for automatically returning the handle element (10) from the handle position (C) into the handle position (B),
   characterized in that the return spring (12) is directly or indirectly operatively connected to the gear rod (11), so that the return force of the return spring (12) can be transmitted to the handle element (10) via the gear rod (11).
2. Fitting (1) according to claim 1,
   characterized in that the return spring (12) is arranged in extension of the gear rod (11) or parallel to the direction of movement of the gear rod (12).
3. Fitting (1) according to one of the preceding claims,
   characterized in that the return spring (12) is designed as a tension spring, in particular as a helical tension spring.
4. Fitting (1) according to one of the preceding claims,
   characterized in that the at least one spring latch (9) of the second locking device (5) is operatively connected to the gear rod (11) and/or to a gear rod extension (13), which is preferably aligned at an angle to the gear rod (11) and is connected thereto via a deflection device (14).
5. Fitting (1) according to claim 4,
   characterized in that the second locking device (5) comprises at least two spring latches (9), which are operatively connected to different gear rod extensions (13), each connected to the gear rod (11) via a deflection device (14).
6. Fitting (1) according to one of the preceding claims,
   characterized in that at least one pin (7) of the first locking device (4) is arranged at a distance (a) from the spring latch (9) and the distance (a) can be varied by actuating the gear rod (3).
7. Fitting (1) according to one of the preceding claims,
   characterized in that the spring latch (9) comprises a locking element (15) which is reciprocally moveable mounted and biased by means of the spring force of a spring and can be brought into engagement with a locking receptacle (16) which is preferably formed within the latch receptacle (8).
8. Fitting (1) according to claim 7,
   characterized in that the spring latch (9) comprises a housing (17) in which the spring-biased locking element (15) is reciprocally moveable mounted and supported on the housing (17) via the spring.
9. Fitting (1) according to claim 8,
   characterized in that the spring latch (9) is connected via the housing (17) to a fore-end track (18) of the gear (3).
10. Fitting (1) according to one of the claims 7 to 9,
    characterized in that the spring-biased locking element (15) of the spring latch (9) has a guide pin (19) which extends perpendicularly to the direction of movement of the locking element (15) and engages in a guide (20) of the gear (3), the guide pin (19) preferably passing through the housing (17) and/or the fore-end track (18).
11. Window (2), in particular a side-hung window, comprising a window frame (21) and a sash (22), which is rotatable relative to the window frame (21), for opening and closing the window (2), and a fitting (1), which is arranged between the window frame (21) and the sash (22), according to one of the preceding claims.
12. Window (2) according to claim 11,
    characterized in that the handle element (10), the gear (3) and the at least one pin (7) of the first locking device (4) and the at least one spring latch (9) of the second locking device (5) are connected to the sash (22), while the pin receptacle (6) and the latch receptacle (8) are arranged opposite one another on the window frame (21).
13. Window (2) according to claim 11 or 12,
    characterized in that the handle element (10) is arranged in the region of a vertically extending main closing edge (23) of the sash (22), which is arranged opposite an edge (24) in the region of which the sash (22) is rotatable mounted on the window frame (21).
14. Window (2) according to one of the claims 11 to 13,
    characterized in that at least one spring latch (9) of the second locking device (5) is arranged in the region of a secondary closing edge (25) of the sash (22) arranged at an angle to the main closing edge (23).

Images