EP3043013B1 - Wing assembly with a load alleviation device - Google Patents

Description

The present invention relates to a wing assembly having a fixed frame, a wing pivotally mounted on the frame, and load transfer means for introducing at least a portion of the wing load into the frame, the load transfer assembly comprising a power transmission member for transmitting power between a first wing-side abutment and a second frame-side Abutment and a power transmission element acted upon by a force spring package, which is attached by means of a holding element wing side or frame side, wherein the spring assembly is pivotally coupled to the holding element. Wing arrangements of the type mentioned, in which a load-removal device is provided for introducing a wing load in the frame, are known from the prior art. The wings are usually connected via fittings with a stationary or building-fixed frame, the wing depending on the fittings used can perform a pivoting movement or a pan / tilt movement relative to the frame. Especially at high Sash weight, for example, by a high wing size or multi-layer discs, conventional fittings for permanent load bearing are not designed or suitable. Therefore, the sash weight must be additionally supported by a load transfer device.

Such wing arrangements with additional support are, for example, from the EP 1 837 472 A1 known. So one includes in there Fig. 7 illustrated embodiment, a load transfer means with a bolt and a spring assembly, wherein the bolt may be pivotally attached to a stationary part of an abutment assembly. However, it is problematic that the load-removal device requires a high space due to their pivotal movement. As a result, the possible opening angle of the wing may be impaired by striking the spring arrangement. Another disadvantage is that the individual components of the load transfer device are openly accessible in the open state of the wing. In that regard, caused by contamination increased wear. Therefore, there is a risk that the reliability of the load transfer device is impaired.

The present invention is therefore based on the object to enable with simple design means and space-saving design reliable operation of a supported wing assembly.

The above object is achieved by a wing assembly with the features of claim 1. Thereafter, the wing assembly is configured and further developed such that the holding element is angled Section, which forms a first guide portion and on which a second guide portion of the spring assembly is guided such that by pivoting the wing a force transmission element facing the end of the spring assembly between a first, adjacent to the holding element or on the holding element position and a second, from Retaining element is moved further away position. In accordance with the invention can be achieved in space-saving design, a reliable operation of a wing assembly when the spring assembly is pivotally coupled to the support member and between the holding element and spring package defined leadership is created, which allows a targeted and space-saving displacement of the spring assembly during pivoting of the wing. Thus, the holding element has an angled portion which forms a first guide portion. The angled portion may also be referred to as a guide slope.

At the first guide portion, a second guide portion of the spring assembly is guided, in a further inventive manner such that by pivoting the wing, the spring assembly is pivoted about an axis remote from the power transmission element end portion of the spring assembly. Thus, by pivoting of the wing, a force transmission element facing the end of the spring assembly between a first, adjacent to the holding element or on the holding element position and a second, further displaced from the holding element position. In other words, the spring assembly emerges on the end facing the force transmission element through the angled holding element, for example by 1 to 5 Millimeters, preferably 2 to 4 millimeters, more preferably 3 millimeters.

In this way, the spring assembly can be specifically displaced on the end facing the power transmission element and there, for example, be removed when opening the wing from the support member. An abutment of the power transmission element on the frame, which limits the opening angle of the wing and can lead to damage to the frame and wings, is thus selectively prevented. In addition, a particularly space-saving and reliable operation of a load transfer device and thus a wing assembly is possible in total since the pivot axis is arranged at the end remote from the force transmission element of the spring assembly. Thus, only the power transmission element facing the end of the spring assembly is displaced so that spring assembly can at least partially provided with a housing and thus protected from environmental influences and unwanted manipulations.

The term "guide" and that the first guide portion and the second guide portion, as described above, are guided together, are here to be understood in the broadest sense. Thus, a guide in the sense of the claimed teaching already exists when the first guide section is formed, for example, as a guide bevel and the second guide section is designed as a sliding surface on the spring assembly. By sliding the two guide sections together, a guide takes place.
The wing may be a door or window sash. The frame may be a door or window frame. The term "frame" is to be understood in the broadest sense, so that it can also be an enclosure here.

The holding element may be formed as a support rod or retaining rail and by means of Nutabstützungen and possibly screwed or fixed by means of Falzfixierungen frame side or wing side or fastened.

In concrete terms, it is conceivable that the force transmission element is pivotable relative to the spring assembly. Thus, the power transmission element can rest pivotably on the spring assembly and, for example, be guided by a guide element on the retaining element. It is also conceivable that the power transmission element is pivotally coupled to the spring assembly. In this case, the force transmission element may have a head portion which is pivotally coupled to a recess formed in or on the spring assembly. The head section can, for example, be designed as a ball head.

The power transmission element can be designed as a rod or rod, for example. As a pressure-loaded support rod. An arrangement such that the force transmission element is loaded to train, is also conceivable.

The spring assembly may have one or possibly more springs. The spring may be formed as a helical spring and, for example, act as a compression spring. An embodiment of the spring as disc springs is also conceivable. In addition, the spring assembly may comprise a spring rod which carries one or possibly more springs and attached to a housing of the spring assembly or a spring plunger. The spring plunger may be formed as a screw or bolt.

As already indicated above, the first guide portion may be formed as a guide slope. As a result, a prominence of the spring assembly is effected, and although on the power transmission element facing the end of the spring assembly.

Specifically, the spring assembly may at least partially have a housing. Thus, the spring package can be at least partially closed. Thus, the spring package and its components are protected from environmental influences. This reduces the risk of functional impairment. In addition, so can hide the components of the spring package inside, so that a risk of injury is reduced. The housing also achieves an attractive appearance of the load transfer device.

Advantageously, the second guide portion may be formed as a sliding surface on the housing of the spring assembly, so that the first guide portion and the second guide portion slide on each other. Thus, a reliable guide is created with simple structural means. The sliding surface may be formed as an edge, bevel or rounding on the housing of the spring assembly.

For a simple height adjustment and a compensation of manufacturing tolerances, the holding element can be secured by means of a cuff, wherein the holding element is displaceable relative to the forend along a displacement direction between a starting position and an end position. Thus, the retaining element is not attached directly wing side or frame side, but by means of the forend, which is attached directly wing side or frame side. The retaining element is displaceable or displaceable in the displacement direction relative to the forend, so that in this way the position of the spring assembly can be adjusted relative to an abutment. Hereby, the bias of the spring assembly can be adjusted. Under the Starting position is understood to be the position of the holding element in which the holding element is in front of a setting. The end position is understood to be the maximum possible displacement of the retaining element relative to the forend.

For a simple height adjustment of the holding element, a clamping element may be provided for fixing the holding element in the displaced position and the clamping element may be clamped by means of a clamping element against the forend and / or the holding element. Thus, an adjustment of the holding element can be made, after which this can be fixed in a simple manner by means of the clamping element. It is conceivable that the clamping element is designed as a screw. Thus, the retaining element can be moved by tightening the clamping element or the screw against the forend and thus the holding element are clamped against the forend. The clamping element may, for example, be designed as a clamping plate.

For a simplified adjustment, the retaining element may have a preferably wedge-shaped bevel or the clamping element and the retaining element may each have a locking toothing. This makes it possible to make a stepwise or continuous change in the position of the retaining element relative to the forend, wherein unwanted change of the adjusted position of the retaining element during tightening of the clamping element or the screw is largely avoided by latching or bevel. In the case of a bevel, the clamping element, in particular in the region of the clamping element or the screw, have a raised portion for bearing the bevel.

Optionally, a restoring device can be provided for returning the retaining element to its starting position. Thus, after releasing the tension element or the screw, the retaining element moves back into its starting position, which can form a "zero position" or "start position" for a subsequent adjustment operation here. Specifically, the return means may comprise a return spring, for example a compression spring. This can be positioned between a portion of the support rod and a portion of the forend, such as a Nutabstützung, and bring the holding element with dissolved clamping element in its initial position.

As an alternative to an embodiment of the second guide section as a pure sliding surface, the second guide section can be designed as a guide element coupled to the spring assembly. This makes it possible to realize a guide with simple structural means and a lightweight construction. In this case, the guide element can be fastened to the end of the spring assembly, for example on a spring rod leading the spring. The guide element can be designed as a guide plate.

For a reliable guidance, a guide portion of the first and second guide portions may have a slot, and the other guide portion of the first and second guide portions may have an engagement portion guided in the slot. As a result, a reliable guide is created because the engagement portion - seen in the slot longitudinal direction - is guided to the sides or side. Thus, the spring package is also led to the sides.

For a particularly secure coupling of the engagement portion may be formed such that it engages behind the slot at least partially. In order for an unwanted loosening of the engagement portion is prevented from the slot, so that it must, for example, to be pivoted to expand. Thus, the spring assembly is not only - seen in the slot longitudinal direction - led to the sides, but also in the direction of displacement of the power transmission element facing the end of the spring assembly.

For a simplified installation of the load transfer device, a stop which can be displaced between a first position and a second position can be arranged on the side of the spring assembly facing away from the force transmission element, which stop is in contact with the spring assembly and can be fixed in the first position by means of a fixing element. In this way, the installation of the load transfer device between the frame and wings can be facilitated, since the displaceable stop on which the spring assembly rests with a housing or a spring plunger, a shift in a direction away from the power transmission element allows direction. Thus, the power transmission element can be used at its end facing away from the spring assembly in an abutment, without the need for this, the force of the spring assembly must be overcome. If the force transmission element is inserted into the abutment, the displaceable stop can be brought back into the first position and fixed by the fixing element in this position. The load transfer device is then ready for load introduction into a frame or enclosure and is in installation position. Concretely, the stop can be acted upon by at least one spring, in particular a compression spring. The spring forces the stop in its first position. Depending on the nature of the fixing can thus a automatic retraction of the stop in its first position.

Specifically, the fixing element may be formed as a cooperating with a housing portion of the stop fastener or clamping element. By means of a fastener, the displaceable stop can be solved by a stopper housing and a displacement of the stopper is possible. The fastener may be formed, for example, as a screw. This can act between a stop housing and the retaining element. When the screw is released, it is possible to move the stop to its second position. After installation of the load transfer device, the stop, for example, forced by a spring, spent back to its first position and fixed by tightening the screw in the first position.

In one embodiment of the fixing element as a clamping element, the clamping element may be formed as a ball, cylinder or wedge. In this case, the ball, the cylinder or the wedge between a portion of the stopper and a housing portion is arranged. The cylinder may, for example, be designed as a vertical circular cylinder. The section of the stop tapers towards the spring pack. The ball, cylinder or wedge is jammed between the stopper portion and a wall. To be able to displace the stop starting from its first position, the corresponding clamping element must be displaced into an extended section, for example by means of a release button. The release button can reach by means of a Löstasterabschnitts with the clamping element in contact and shift the clamping element accordingly. As a result, the clamping is released and the stop can be relocated.

The invention will be explained in more detail below with reference to FIGS.

Figur 1

eine perspektivische Ansicht einer erfindungsgemäßen Flügelanordnung mit einer Lastabtrageinrichtung;

Figur 2a

eine erste Ausführungsform einer Lastabtrageinrichtung der Flügelanordnung aus Figur 1 bei zumindest teilweise geöffnetem Flügel;

Figur 2b

ein Ausführung eines Halteelements der Lastabtrageinrichtung aus Fig. 2a mit einer keilförmigen Schräge,

Figur 2c

ein Ausführung eines Halteelements der Lastabtrageinrichtung aus Fig. 2a mit einer Rastverzahnung,

Figur 3

die Lastabtrageinrichtung aus Figur 2a bei geschlossenem Flügel;

Figur 4

eine zweite Ausführungsform einer Lastabtrageinrichtung der Flügelanordnung aus Figur 1 bei zumindest teilweise geöffnetem Flügel;

Figur 5

die Lastabtrageinrichtung aus Figur 4 während des Einbaus;

Figur 6

eine dritte Ausführungsform einer Lastabtrageinrichtung der Flügelanordnung aus Figur 1 bei zumindest teilweise geöffnetem Flügel und

Figur 7

die Lastabtrageinrichtung aus Figur 6 während des Einbaus.

Show it:

FIG. 1

a perspective view of a wing assembly according to the invention with a load transfer device;

FIG. 2a

a first embodiment of a load transfer device of the wing assembly FIG. 1 at least partially open wing;

FIG. 2b

an embodiment of a holding element of the load transfer device Fig. 2a with a wedge-shaped slope,

Figure 2c

an embodiment of a holding element of the load transfer device Fig. 2a with a locking toothing,

FIG. 3

the load transfer device FIG. 2a with the wing closed;

FIG. 4

a second embodiment of a load transfer device of the wing assembly FIG. 1 at least partially open wing;

FIG. 5

the load transfer device FIG. 4 during installation;

FIG. 6

a third embodiment of a load transfer device of the wing assembly FIG. 1 at least partially open wings and

FIG. 7

the load transfer device FIG. 6 during installation.

FIG. 1 shows in a sectional representation of a wing assembly, which is generally designated by the reference numeral 10. The wing assembly 10 includes a fixed frame 12 or a fixed skirt 12 and a pivotally mounted on the frame 12 or on the skirt 12 wings 14. The wing 14 is coupled by means of fittings 16, of which only one fitting 16 is shown pivotally on the frame 12 or the skirt 12.

Furthermore, the wing assembly 10 includes a load transfer device 18, 118, 218 for introducing at least a portion of the load of the wing 14 into the frame 12 or skirt 12. The load transfer device 18, 118, 218 has a force transmission element 20 for transmitting power between a first, wing-side abutment 22 with a second, frame-side abutment 24. The power transmission element 20 is designed as a support rod or push rod. The second abutment 24 may also be referred to as a corner bearing. The first abutment 22 forms an upper bearing point. The second abutment 24 forms a lower bearing point.

The first abutment 22 is attached to the wing 14, for example screwed. The second abutment 24 or the corner bearing 24 is on the frame 12 or the enclosure 12th bolted, for example in a rebate area of the frame. The frame 12 may be a door frame or a window frame. Accordingly, the wing 14 may be formed as a door or window sash.

FIG. 2a shows a first embodiment of a load transfer device 18, wherein the frame and wings are not shown for clarity. The load transfer device 18 has a force transmission element 20 for transmitting power between a first, wing-side abutment 22 and a second, frame-side abutment 24 (not shown). The power transmission element 20 is designed as a support rod or push rod. The load transfer device 18 also has a spring assembly 26, which acts on the force transmission element 20 with a force. The spring assembly 26 is fastened by means of a holding element 28, for example on the wing 14. In embodiments not shown, an attachment to the frame 12 is conceivable.

The spring assembly 26 is pivotally coupled to the support member 28, to a stepped portion 30 of the support member 28 by means of a spring rod 32. The spring rod 32 is formed as a screw and bolted to a housing 34 of the spring assembly 26 at an internally threaded opening 36 and secured, for example glued. The spring rod 32 is surrounded by a spring 38 designed as a compression spring. This is supported at one end on a shoulder 40 of the housing 34 and the other end on the inside of the stepped portion 30 from. By overcoming the spring force of the coil spring 38, the power transmission element 20, the spring rod 32 and the Housing 34 in the direction of the stepped portion 30 or - in FIG. 2 - be moved upwards.

The holding element 28 also has an angled portion 42 which forms a first guide portion 44. On the housing 34 of the spring assembly 26 a corresponding to the first guide portion 44 second guide portion 46 is formed. When the vane is at least partially open, the first guide section 44 and the second guide section 46 slide on one another, so that the second guide section 46 is guided on the first guide section 44. The second guide portion 46 forms a sliding surface.

By pivoting the wing 14, a force transmitting element 20 facing the end 48 between a first, adjacent to the holding element 28 or on the holding element 28 adjacent position (see Figure 3 ) and a second, further from the holding element position displaced (see 2a ). In other words, the power transmission element 20 facing the end 48 of the spring assembly 26 are displaced in the direction of displacement 50. This can be oriented orthogonally to the longitudinal extent of the holding element 28. In this case, a pivoting movement of the spring assembly 26 takes place about a pivot axis 52, which is orthogonal from the plane of FIG. 2 protrudes and the center of the passage 54 intersects. The pivoting movement is made possible in that the inner diameter of the passage 54 is slightly larger than the corresponding outer diameter of the spring rod 32nd

The holding element 28 is fastened on the frame side or wing side by means of a forend 56, wherein the holding element 28 moves relative to the forend along a Displacement direction 58 is displaced. Thus, the holding element 28 and thus the spring assembly 26 and the power transmission element 20 can be positioned relative to the forend 56. Thus, in the installed state of the load transfer device can make a fine adjustment and compensate for any manufacturing tolerances. The forend 56 has Nutabstützungen 60 on which the forend 56 can be attached to a frame 12 or a wing 14 by means of screws.

For fixing the holding element 28 in the set or displaced position, a clamping element 62 is provided. The clamping element 62 can be displaced in the direction of the forend 56 by means of a clamping element 64, which can be designed as a screw 66, and thus clamped. Thus, the portion between the forend 56 and clamping element 62 of the retaining element 28 is also jammed and thus fixed. The clamping element 62 is designed as a clamping plate.

For returning the holding element 28 to its initial position when the clamping element 64 is released, a return device 67 may optionally be provided. This may be formed as a tension spring or compression spring which is positioned between a portion of the holding member 28 and a Nutabstützung 60. To facilitate the adjustment of the holding member 28 may be provided a detent toothing or a wedge-shaped bevel, which in the FIGS. 2b and 2c is shown enlarged.

FIG. 2b shows an embodiment of a holding element 28a with a wedge-shaped slope. The clamping element 62a has a raised portion 68 in the region of the clamping element 64 or the screw 66. The holding element 28a has a wedge-shaped bevel 70 which bears against the raised portion 68 of the clamping element 62a. If the clamping element 64 or the screw 66 is loosened to a certain extent, the holding element 28a can be displaced in the displacement direction 58 until the wedge-shaped bevel 70 rests against the raised section 68 again. This makes it possible to realize a stepless adjustment of the holding element 28a.

Figure 2c shows an embodiment of a retaining element 28b with locking teeth. The clamping element 62b has a plurality of latching teeth 72 in the region of the clamping element 64 or the screw 66. The holding element 28b has latching teeth 74. The locking teeth 72 and 74 correspond to each other. If the tensioning element 64 or the screw 66 is tightened and the clamping element 62b braced against the forend 56, the locking teeth 72, 74 engage one another in a form-fitting manner. If the clamping element 64 or the screw 66 is released, the latching teeth 72, 74 are disengaged and the holding element 28b can be displaced in the direction of displacement 58. By the latching portions a stepped adjustment of the holding element 28b is possible, wherein the steps of individual stages correspond to the tooth spacing of the latching teeth 72, 74.

FIG. 3 shows the load transfer device 18 in the closed state of the wing assembly, wherein the frame and wings are not shown for clarity. Since the second frame-side abutment 24 (not shown) adjoins the forend 56 or the holding element 28 when the vane arrangement is closed, the force-transmitting element 20 is pivoted into a nearly vertical position or almost parallel to the holding element 28. As a result, the spring assembly 26 together with the housing 34 are raised against the force of the helical spring 38, the housing 34 is located on Holding element 28 at. The spring assembly 26 is thus in its first, adjacent to the support member 28 or on the support member 28 adjacent position. It can easily be seen from this illustration that the load-removal device has a compact design and, for example, requires only a small installation space orthogonally to the longitudinal extension of the holding element 28.

FIG. 4 shows a second embodiment of a load transfer device 118. The load transfer device 118 has a force transmission element 120 for transmitting power between a first, wing-side abutment 122 and a second, frame-side abutment 124 (not shown) and a force acting on the force transmission element 120 spring assembly 126. The spring pack 126 is fastened by means of a retaining element 128, for example on the wing 14 (not shown).

The spring assembly 126 is coupled by means of a receptacle 129, which may also be referred to as spring plunger 129, displaceably and pivotably coupled to a stepped portion 130 of the retaining element 128. The spring assembly 126 also has a spring rod 132 which is formed as a bolt. The spring rod 132 is received displaceably with one end in an opening 131 of the spring plunger 129, wherein a lock washer 133 limits an extension movement of the spring plunger 132 from the opening 131.

The spring package 126 also has a housing 134 which at least partially disguises the components of the spring assembly. Furthermore, the spring assembly 126 has a coil spring 138 which surrounds the spring rod 132. The coil spring 138 is located at one end on a shoulder 140 of the receptacle 129 or the spring plunger 129. At the other the coil spring 138 abuts on a guide element 141, which is connected to the spring rod 132. The guide element 141 is formed as a guide plate.

The holding element 128 has an angled section 142, which forms a first guide section 144. The second guide section 146 of the spring assembly forms the guide element 141.

The first guide portion 144 has a slot 145, which may also be referred to as a guide slot 145. The second guide portion 146 has an engagement portion 146 which is guided in the slot 145. In this case, the engagement portion 147 may be formed such that it engages behind the slot 145 at least partially. For example, the engagement portion 147 may have laterally projecting nose portions, viewed in the longitudinal direction of the slot 145.

The power transmission element 120 has a further guide element 149. The guide member 149 is also guided in the slot 145 and may also have laterally beyond the slot projecting nose portions for engaging behind the slot. The spring pack 126 and the power transmission member 120 abut each other by resting an end portion of the spring rod 132 and the power transmission member 120, whereby the abutment 122 is formed.

By taking place between the first guide portion 144 and the second guide portion 146 guide the spring assembly can be moved by pivoting the wing between a first, adjacent to the holding member 128 or the holding member 128 adjacent position and a second, from the holding member 128 farther position (please refer Figure 4 ). Thus, the end 148 of the spring assembly 126 facing the force transmission element 120 can be displaced in the direction of displacement 150. The pivoting movement takes place about a pivot axis 152 which protrudes perpendicularly from the plane of the drawing and intersects the section of the spring tappet 129 projecting into a recess 154.

To facilitate installation of the load transfer device 118 between the wing and frame a displaceable stopper 156 is provided, wherein the protruding into the recess 154 end of the receptacle 129 or the spring plunger 129 is in contact with the stop 156. The stopper 156 is between a first position (see Figure 4 ) and a second position (see Figure 5 ), wherein the stop 156 in the first position (see FIG. 4 ) is fixable or lockable by a fixing element 158. The displaceable abutment 156 facilitates the installation of the load transfer device 118, since the spring assembly 126 and the force transmission element 120 can be displaced in the direction of the fixing element 158 without overcoming the spring force of the helical spring 138. As a result, insertion of the force transmission element 120 is made possible in an abutment.
The displaceable stop 156 is guided in a housing portion 160 of the stopper. For the return displacement of the stopper 156 in its first position, a biasing spring 162 is provided, which bears with one end on the fixing element 158 and the other end on the displaceable stop 156. The fixing element 158 is designed as a fastening element 158, for example as a screw 158.

FIG. 5 shows the load transfer device 118 from FIG. 4 during installation between the sash and the frame. The fixing element 158 is released, so that the stopper 156 against the force of the biasing spring 162 can be moved to its second position. In this way, the force transmission element 120 and the spring assembly 126 can be displaced in the direction of the fastening element 158 without overcoming the spring force of the helical spring 138. This can take place until a projection 164 fastened to the stop 156 comes into contact with a folding fixing 166. The fold fixing 166 is attached to the holding element.

FIG. 6 shows a third embodiment of a load transfer device 218 of the wing assembly FIG. 1 ,

The present third embodiment of a load transfer device 218 corresponds to much of the above-described second embodiment of a load transfer device 118, so that reference is first made to avoid repetition on the local statements. Same or functionally identical elements are provided with identical reference numerals.

Notwithstanding the above, the present embodiment has a displaceable stopper 256, wherein a clamping element 258 serves as a fixing element 258, for example. A ball 258, which the stopper 256 in its first position (see Figure 6 ) fixed. In embodiments not shown, the use of a wedge or a cylinder as a clamping element is conceivable.

The stop 256 is between a first position (see Figure 6 ) and a second position (see Figure 7 ) relocatable. In this case, the fixing element 258 cooperates with a housing portion 260 of the stop, namely with a housing wall 261 and a tapered portion 265 of the stopper 256 together.

By means of a probe 259 and a probe portion 259a, the fixing element 258 or the ball can be displaced in the direction of a central web 267. A first biasing spring 262 is disposed between the fixing element 258 or ball 258 and the central web 267. The biasing spring 262 pushes the fixing element or the ball 258 in the direction of the spring assembly 126, so that the fixing element 258 or ball 258 unfold their clamping action.

Another spring 263 is disposed between the central web 267 and an angled portion 268 of the housing 261. The spring 263 forces the displaceable stopper 256 back to its first position (see Figure 6 ), for example, when the button 259 is released or re-actuated to release the clamping formed by the housing wall 261 and a tapered portion 265 of the stopper 256. The springs 262 and 263 are formed as helical compression springs.

Claims (14)

1. Casement assembly (10) comprising a stationary frame (12), a casement (14) that is pivotally mounted on the frame (12) and a load-transfer device (18, 118, 218) for introducing at least part of the casement load into the frame (12), the load-transfer device (18, 118, 218) comprising a force-transmission element (20, 120) for transmitting force between a first, casement-side brace (22, 122) and a second, frame-side brace (24, 124), and comprising a spring assembly (26, 126) that applies a force to the force-transmission element (20, 120) and is attached on the casement side or the frame side by means of a retaining element (28), the spring assembly (26, 126) being pivotally coupled to the retaining element (28, 128), characterised in that the retaining element (28, 128) comprises an angled portion (42, 142) which forms a first guide portion (44, 144) and on which a second guide portion (46, 146) of the spring assembly (26, 126) is guided such that, by pivoting the casement (14), the spring assembly (26, 126) is pivoted about an axis (52, 152) arranged in the end region of the spring assembly (26, 126) remote from the force-transmission element (20, 120), and in that, by pivoting the casement (14), an end of the spring assembly (26, 126) close to the force-transmission element (20, 120) is moved between a first position in which it abuts the retaining element (28, 128) or rests on the retaining element (28, 128) and a second position in which it is further away from the retaining element (28, 128).
2. Casement assembly (10) according to claim 1, characterised in that the spring assembly (26, 126) comprises a housing (34, 134) at least in portions.
3. Casement assembly (10) according to claim 2, characterised in that the second guide portion (46) is designed as a sliding surface on the housing (34) of the spring assembly (26) such that the first guide portion (44) and the second guide portion (46) slide on one another.
4. Casement assembly (10) according to any of the preceding claims, characterised in that the retaining element (28) is attached by means of a mullion (56), it being possible to move the retaining element (28) relative to the mullion (56) between an initial position and an end position in a movement direction (58).
5. Casement assembly (10) according to claim 4, characterised in that a clamping element (62) is provided in the moved position for fixing the retaining element (28) and in that the clamping element (62) can be braced against the mullion (56) and/or the retaining element (28) by means of a tensioning element (64), in particular a screw (66).
6. Casement assembly (10) according to claim 5, characterised in that the retaining element (28) comprises a preferably wedge-shaped bevel (70) or in that the clamping element (62) and the retaining element (28) each comprise latching teeth (72, 74).
7. Casement assembly (10) according to any of claims 4 to 6, characterised in that a restoring device (67) is provided for returning the retaining element (28) to its initial position.
8. Casement assembly (10) according to either claim 1 or claim 2, characterised in that the second guide portion (146) is designed a guide element (141) coupled to the spring assembly (126).
9. Casement assembly (10) according to either claim 1 or claim 8, characterised in that one guide portion of the first and second guide portion (144, 146) comprises a slot (145) and the other guide portion of the first and second guide portion (144, 146) comprises an engagement portion (147) that is guided in the slot (145).
10. Casement assembly (10) according to claim 9, characterised in that the engagement portion (147) is designed such that it engages behind the slot (145) at least in part.
11. Casement assembly (10) according to any of claims 8 to 10, characterised in that a stop (156, 256) that can be moved between a first position and a second position, is in contact with the spring assembly (126) and can be fixed in the first position by means of a fixing element (158, 258) is arranged on the side of the spring assembly (126) remote from the force-transmission element (120).
12. Casement assembly (10) according to claim 11, characterised in that pressure is applied to the stop (156, 256) by means of at least one pretensioning spring (162, 262), in particular a compression spring.
13. Casement assembly (10) according to either claim 11 or claim 12, characterised in that the fixing element (158, 258) is designed as an attachment element (158) or clamping element (258) that interacts with a housing portion (160, 260) of the stop (156, 256).
14. Casement assembly (10) according to claim 13, characterised in that the attachment element (158) is designed as a screw (158) and/or in that the clamping element (258) is designed as a ball (258), cylinder or wedge.

Images