Bracket and a bracket system and method for installing a window or door

Abstract

The invention relates to a bracket and a bracket system and a method for connecting a building element, such as a window or a door, to an opening in a wall, where the bracket comprises a first surface for facing a vertical wall in parallel relationship and a second surface for facing a vertical side surface of the window / door, where the second surface has an oblique angle in relation to the vertical side surface of the frame, such that a wedge element wan be inserted between the bracket and the window frame.

Description

[0001] Bracket and a bracket system and method for installing a window or door

[0002] TECHNICAL FIELD

[0003] The present invention relates to the technical field of installation of a window or door into an opening in a wall. More specific, the present invention relates to a bracket for connecting a building element, such as a window or a door, to an opening in a wall, and a system for such connection.

[0004] BACKGROUND OF THE INVENTION

[0005] The technique of installing a building element, such as a window or a door, into an opening of a wall by using bracket elements is commonly known.

[0006] Such brackets are fastened to the wall at the opening of the wall, and the window or door frame is connected to the bracket by use of fastening means, such as screws.

[0007] However, in order to establish the correct distance between the side surface of the window or door frame, it is known to use different flat spacer elements of various thicknesses, in order to fill any distance between the frame and the bracket, such that the window or door frame does not deform when screwed onto the bracket. If there is a gap between the side of the frame and the bracket, the frame will bend when being screwed onto the bracket. Thus, any distance between the bracket and the frame must be avoided.

[0008] The whole installation process is quite cumbersome, as several different flat spacer elements must be used in order to first centre the window frame in the opening of the wall and secondly to ensure that any spacing between the frame and bracket is avoided. Further, when using the brackets in relation to the vertical sides of the frame, the flat spacers often fall to the ground, and they are not automatically held in place between the bracket and the frame and thus need to be manually held in place before screwing the frame onto the bracket.

[0009] It is thus an object of the present invention to provide a bracket and a system for use in installation of a building element, such as a window or a door, where the above issues are eliminated.

[0010] The above object and advantages, together with numerous other objects and advantages, which will be evident from the description of the present invention, are according to a first aspect of the present invention obtained by: 1. A bracket (10, 10’) for connecting a building element (38), such as a window or a door, to an opening in a wall (36), said bracket being unitary and comprising a first part (20) having a first surface (12) for facing a first side surface of said wall, and a second surface (14) for facing said opening and a side of a window or door frame mounted in said opening, said first surface (12) defining a first plane (44) and said second (14) surface defining a second plane (46), said second plane (46) being arranged with an oblique angle (40) in relation to a reference plane (42) being perpendicular to said first plane (44), said reference plane (42) being arranged to be coplanar with a side surface of said window or said door frame (38), said second surface (14) having a corrugated or non-smooth surface.

[0011] The above-described bracket is preferably made from a material such as plastic but may also be manufactured from metal or even wood.

[0012] The bracket is unitary, which is an important feature in order to ensure an easy and continuously correct positioning of the window or door. Bracket systems arranged from multiple interconnectable elements, such as a first bracket connected to a first building element and a second bracket connected to a second building element, where the first and second brackets are connectable, result in a less structurally stabile interconnection as each connection point is a weakening. Further, arranging multiple interconnectable brackets is time consuming to install and increases the chances of misalignment between the building elements.

[0013] The bracket comprises a first part which is to be connected to the wall in the area of the opening, such that the bracket is securely fixed to the wall construction and thus provides a solid connection point for the window or door.

[0014] When installing the window or the door, it must thus be understood that typically a number of such brackets are used, which number may vary depending on the size of the window or door. One non-limiting example is thus that a window is installed with eight brackets, two brackets for each side surface of the window, and two brackets for each of the bottom and top of the window.

[0015] The brackets are screwed onto part of the wall, e.g. an inner wall part, or may be embedded into a concrete joint between two layers of bricks.

[0016] The first part of the bracket further comprises a second surface for facing a side of a window or door frame, such that a screw or several screws may be screwed through the first part of the bracket and into the frame of the window or the door, such that the frame, and hereby the window, is fastened to the wall.

[0017] When the bracket is mounted to the wall as described, the first plane is coplanar with the side surface of the wall and the reference plane is coplanar with the end surface of the wall, whereby the second surface faces the opening into which the window / door is to be mounted, at an oblique angle in relation to the end surface of the wall. The above configuration has the advantage of positioning the window in an opening of a planar wall surface, ensuring a correct coplanar position of the window in relation to the wall, while at the same time providing a versatile bracket for adjusting the position of the window / door within the opening of the wall.

[0018] In order to establish the correct position of the frame within the opening in the wall in an easy manner, and in order to eliminate any undesired spacing between the frame and the bracket, the first surface defines a first plane, and the second surface defines a second plane, the second plane being arranged with an oblique angle in relation to a reference plane being perpendicular to the first plane, the reference plane being arranged to be coplanar with a side surface of the window or the door frame.

[0019] By arranging the bracket such that the second surface defines a plane having an oblique angle in relation to the reference plane in a vertical direction, where the reference plane is coplanar with the side of the window or door frame, which is typically a vertical plane for standard doors and windows, provides the possibility of inserting a wedge element between the bracket and the frame.

[0020] A typical wedge suitable to be used in combination with the bracket is shown in the figures of the application.

[0021] The second “oblique” surface is preferably arranged in relation to the first part, such that when the bracket is installed on one side of the window (assumed as a vertical side), the wedge is inserted from above the bracket, such that the tapered end of the wedge is pointed downward.

[0022] Such bracket thus eliminates the above defined issues and provides a bracket which facilitates an easy installation where the wedge can be inserted between the bracket and the frame, easily adjusted to position the frame in the correct position in relation to the opening in the wall and avoid any undesired spacing between the bracket and the frame. Further, as the wedge can be inserted from above, the wedge is prevented from falling out under the bracket. Once the wedge(s) are installed in the required number of brackets on the side surface on the frame, or on both the side and top and bottom of the frame, screws are screwed through the brackets and the frame hereby secures the frame to the wall opening.

[0023] The screws may be screwed from the frame side into the bracket or from the bracket side and into the frame.

[0024] According to a further embodiment of the first aspect of the invention, in relation to a cartesian coordinate system, the first plane is defined by an X-Z axis and the reference plane is defined by a Y-Z axis, the first side surface having an extent along said X-axis being larger compared to an extent of said second surface in along said Y-axis.

[0025] Describing the bracket in relation to a cartesian coordinate system, where the first plane is defined by an X-Z axis and the reference plane is defined by the Y-Z axis, provides a bracket which ensures the installation of the mentioned door / window at a correct coplanar position with the side surfaces of the wall.

[0026] The extent of the first side surface compared to the extent of the second surface in the above-mentioned directions ensures that the bracket can be securely installed to the wall surface. Windows / doors may be relatively large and heavy structures and put an increased demand in the construction of the wall in the area of installation. Arranging the first surface with the mentioned larger extent, compared to the second surface, increases the connection surface / area between the wall and the bracket compared to the connection surface between the bracket and the window, which is sufficient to ensure a stabile connection to the wall.

[0027] According to a further embodiment of the first aspect of the invention, the first part comprises a third surface for facing a side of a window or door frame, the third surface defining a third plane, the third plane being arranged with an oblique angle in relation to the reference plane, the second and third plane being non-parallel, the third surface (16) having a corrugated or non-smooth surface.

[0028] The third surface is arranged with an opposite oblique angle in relation to the first surface, whereby the bracket can be used on opposite sides of the window or door frame. If the bracket in a most basic embodiment comprises only one surface to be arranged with an oblique angle in relation to the window frame, the wedge to be inserted be- tween the bracket and the window / door frame must on one side of the frame be inserted from above and from the other side inserted from below the bracket, which is more problematic and requires more manual positioning. By arranging two surfaces being oppositely oblique angled in relation to the frame provides the possibility of arranging the wedge from above on both sides of the frame.

[0029] In a preferred embodiment, the second surface and the third surface are formed with a corrugated surface pattern intended to cooperate with a similar surface pattern on the wedge used, such that the wedge engages the bracket in order to avoid slippage of the wedge before being screwed in connection with the bracket and the window / door frame. This ensures that the wedge can be held in certain positions on the bracket.

[0030] According to a further embodiment of the first aspect of the invention, the second and / or the third surface has a flange extending on opposite sides of the second and / or third surface and extending upwards in relation to the surface.

[0031] In order to provide guidance of the wedge when engaged with the bracket, and to prevent the wedge from falling out from the sides of the bracket, one or preferably both of the second and the third surfaces are provided with a flange extending upwards in relation to the second and third surfaces and thus extending towards the window frame. These flanges thus provide a track for the wedge in connection with the bracket.

[0032] According to a further embodiment of the first aspect of the invention, the bracket comprises a biassing element on one or two opposite sides of said second and / or third surface.

[0033] In order to increase the engagement between the wedge used and the bracket, and to ensure that the wedge does not easily fall out of the bracket when installing the window / door, the bracket comprises a biassing element on one or on two opposite sides of the second and / or the third surface, where the opposite sides are understood as the sides of the surfaces intended for vertical positioning. This biassing element projects inwards and thus in the direction of the opposite side of the surface. The biassing elements may be arranged as flexible arms on one or even both of the flanges and extending towards the opposite flange, however, may be arranged differently. In an alternative embodiment, the flanges themselves may curve towards each other, e.g. at the centre of the flanges on both of the ends of the brackets. In a further alternative, one or both flanges comprises small projections for friction engagement of the sides of the used wedge.

[0034] According to a further embodiment of the first aspect of the invention, the second and third surfaces are adjacent to each other.

[0035] In a preferred embodiment, the second and third surface are arranged adjacent and adjoining in relation to each other, such that the second and third plane have a mutual and oblique angle, such that the angle tip is arranged to point towards the side of the window frame.

[0036] In an alternative embodiment, the bracket may comprise an intermediate surface arranged between the second and third surface, the intermediate surface being arranged to be co-parallel with the reference plane and thus arranged perpendicular to the first plane. This has the effect that, even though the bracket is intended to be used with wedge-shaped spacers between the bracket and the window / door frame, the bracket may still be used in combination with the known type of flat spacers.

[0037] According to a further embodiment of the first aspect of the invention, the bracket has an alignment flange or wall element extending from the first surface in a direction away from said second surface (14) and for engaging a corner of said wall (36), when said first surface is arranged onto said side surface of said wall (36).

[0038] In order to ease the correct positioning of the bracket in relation to the wall, i.e. the inner wall or the outer wall in a cavity wall construction, the bracket comprises an alignment flange extending from the first surface substantially perpendicular thereto in a direction away from said second surface.

[0039] This feature has the effect that the first surface can be arranged against the side surface of the wall at a vertical corner edge thereof, and the alignment flange projects around the corner edge and abuts against the end surface of the wall, i.e. the end surface which defines the opening in the wall. This ensures that the bracket is precisely oriented and positioned in relation to the vertical and horizontal position, such that the second and third surfaces are correctly positioned in relation to a standard positioned square-shaped window / door frame arranged in a wall opening having vertical side surfaces.

[0040] According to a further embodiment of the first aspect of the invention, the first part comprises a plate-shaped fixation element extending parallel to the reference plane and extending distanced from the first surface.

[0041] In order to ensure a strong connection between the bracket and the window / door frame, the frame is fastened to the bracket with suitable fastening means, such as screws, which are screwed through the bracket and the wedge and into the side of the frame. To increase this fixation, the bracket comprises a plate-shaped fixation element extending parallel to the reference plane and extending distanced from the first surface, such that there is a gap between the fixation element and the wall part of the bracket having the first surface.

[0042] According to a further embodiment of the first aspect of the invention, the bracket comprises a second part extending perpendicularly from the first surface of the first part, the second part being substantially plate-shaped and comprising a number of openings, or said bracket comprises openings in said first surface for fastening said bracket onto a wall via fastening means, such as screws.

[0043] In one embodiment, the bracket comprises a second plate-shaped part with openings, which second part extends perpendicular to the first surface. The second part is arranged to be incorporated into the grout in the joint between two layers of stone bricks. When building up the wall, the bracket is arranged with the second part into the wet grout before another brick is placed over the second part. In order to establish a secure connection between the wall and the bracket, the bracket comprises a number of openings into which the grout can flow before hardening. This ensures a strong and correct position of the bracket in relation to the wall and even further ensures that the bracket has the correct orientation in relation to the wall and thus also the window to be installed.

[0044] In another embodiment, the bracket is void of the second part and instead comprises openings arranged through the first surface, such that fastening means like screws can be screwed through the openings and into the wall to connect the bracket to the wall.

[0045] According to a second aspect of the present invention, the above objects and advantages are obtained by:

[0046] A bracket system comprising a bracket according to any of the embodiments of the first aspect of the invention, and a wedge element, the wedge element having a corrugated or non-smooth surface corresponding to the corrugated or non-smooth surface of the second and / or third surface, hereby arranging an increased friction between the bracket and said wedge, the friction being larger in one direction compared to a friction in an opposite direction.

[0047] As described above, the bracket has the overall technical effect that, due to the orientation of the obliquely arranged second and third side surfaces, the bracket is optimized to be used in combination with a wedge element when installing a door or a window into an opening in a wall. This addresses the issues compared to known types of brackets as described in the introductory part of the description.

[0048] According to a third aspect of the present invention, the above objects and advantages are obtained by:

[0049] A method for installing a window or a door into an opening of a wall, the method comprising the following steps:

[0050] • fixating a number of brackets according to any of the embodiments of the first aspect of the invention on one of an inner or outer side surface of a wall proximate an end surface of the wall, the end surface of the wall defining part of the opening, such that the first surface lies against the inner or outer wall surface, and the second surface being arranged with and oblique angle in relation to the end surface,

[0051] • positioning a number of wedge elements onto the second surface,

[0052] • before or after positioning the number of wedge elements onto the second surface, a window or door is positioned into the opening.

[0053] The above-defined method ensures the correct installation of a window / door into the opening of a building wall in an easy installation. According to a further embodiment of the third aspect of the invention, wherein the step of fixating a number of brackets, comprises fixating at least two brackets proximate a horizontal end surface of the wall.

[0054] A preferred first step in the fixation of the brackets comprises the fixation of a number of brackets, typically two brackets at the horizontal bottom surface of the wall opening. Before positioning the window / door into the opening, a wedge element is positioned in each bracket such that the upper surfaces of the wedge elements are level in relation to each other, which ensures that the window is installed level.

[0055] According to a further embodiment of the third aspect of the invention, wherein the step of fixating a number of brackets, comprises the step of fixating at least one and preferably two brackets on the inner or outer side surface of a wall proximate a vertical end surface, and positioning a wedge element onto a second surface of the at least one bracket.

[0056] In order to ensure the interconnection between the side surfaces of the window / door to the wall, the method comprises the installation of preferable two brackets onto the side surface of the wall on each side of the window / door. Installing two brackets, one bracket towards each corner of the window / door, ensures that the window / door can be securely fixated to the wall in a situation where the end surface of the wall opening is not entirely level. In such a situation, the individual wedge elements are adjusted in tight connection between the bracket and the window / door eliminating any unwanted space between the window and the bracket.

[0057] Fig. 1A-B show perspective views of a bracket.

[0058] Fig. 2 shows a perspective view of a bracket.

[0059] Fig. 3A-3C show first perspective views of a bracket system.

[0060] Fig. 4A shows a perspective view of a bracket installation.

[0061] Fig. 4B shows a second perspective view of a bracket system.

[0062] Fig. 4C-4D show side views of a bracket and a bracket system.

[0063] The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. The invention may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Like reference numerals refer to like elements throughout. Like elements will thus not be described in detail with respect to the description of each figure.

[0064] Figure 1A-B shows perspective view of a bracket.

[0065] Figure 1A shows a bracket 10 according to one of the embodiments of the first aspect of the invention. The bracket 10, which preferably is produced from a plastic material, is designed to be incorporated into a brick wall (not shown) and designed to be incorporated into the brick wall at the edge of the opening into which a window or door is intended to be installed.

[0066] The bracket comprises a first part 20 arranged for connection to a window or door frame (not shown), and a second part 22 arranged to be incorporated into the grout in the joint between two layers of stone bricks. When building up the wall, the bracket 10 is arranged with the second part 22 into the wet grout before another brick is placed over the second part 22. In order to establish a secure connection between the wall and the bracket 10, the bracket comprises a number of openings into which the grout can flow before hardening.

[0067] The first part 20 comprises a first side surface 12, which is intended for facing the side of the brick layers, and preferably, when being installed, arranged flush with an inner side of either the inner wall or the outer wall in a cavity wall construction, the inner side being the side of the inner or outer wall facing the internal cavity.

[0068] The first part 20 further comprises a second surface 14 and a third surface 16, which are both intended to face the side of a window frame in order to secure the window frame to the bracket 10 via fastening means, such as screws, through screw holes 30 arranged in the surfaces 14, 16.

[0069] The second and third surface are arranged preferably planar and further arranged with an oblique angle in relation to a vertical direction, and therefore also with an oblique angle in relation to a vertically arranged window frame, when the second part is arranged horizontally, such as being arranged in a horizontal joint between two layers of stone bricks.

[0070] Arranging the second surface 1 and the third surface 15 with opposite oblique angles, as shown, has the effect that the bracket 10 can be used on opposite sides of the win- dow / door frame. When installed in the wall and a window or door is to be connected to the bracket within the opening of the wall, a wedge element (shown in figure 3B) can be inserted into the space between the bracket 10 and the window frame in order to provide an easy and secure positioning of the window / door frame within the opening.

[0071] In order to guide the wedge element in relation to the second surface 14 and the third surface 16, the bracket comprises a flange 18, 18’ extending from each side of the surfaces 14, 16.

[0072] One or both of these flanges 18, 18’ may, as shown, comprise an engagement element 24 shown as a biassing element, for creating an increased tension between the bracket and the wedge, which ensures that the wedge does not easily fall out of the bracket when installing the window, but is instead secured in the desired position. The biassing elements 24 are shown arranged as flexible arms on one of the flanges and extending towards the opposite flange, but they may be arranged differently. In an alternative, the flanges themselves may curve towards each other, e.g. at the centre of flanges of on both of the ends of the brackets. Instead of biassing elements, which can bend, the bracket may comprise nondeformable elements (nor shown) e.g. in connection with the flanges 18, 18’, which nondeformable elements established a friction between the bracket 10, 10’ and the wedge 34.

[0073] As illustrated, both the second surface 14 and the third surface 16 are formed with a corrugated surface pattern intended to cooperate with a similar surface pattern on the wedge used, such that the wedge engages the bracket in order to avoid slippage of the wedge before being screwed in connection with the bracket and the window / door frame. The first plane is defined by an X-Z axis and the reference plane is defined by the Y-Z axis as described earlier in the description. As shown in the figure, the first surface 12 has a width 50 being larger compared to the width 52 of the second / third surface. The extent of the first surface compared to the second / third surface also applies to the bracket illustrated in figure 2.

[0074] Figure 1 B shows a perspective view of part of the bracket 10 illustrated in figure 1A.

[0075] In the figure, the reference plane 42 is shown with broken lines, which reference plane 42 is arranged to be parallel with the side surface of the frame of the window or door to be installed.

[0076] The figure shows the second plane 46 of the second surface 14 with broken lines and the third plane 48 of the third surface 16 also with broken lines. As can be seen from the figure, there is an oblique angle 40 between the reference plane 42 and the second plane 46 and an opposite oblique angle 40’ between the reference plane 42 and the third plane 48, such that the same type of bracket 10 can be used on opposite sides of a window / door, and a wedge can be inserted from above on both sides of the window / door.

[0077] As can also be seen from the figure, the flanges 18, 18’ comprise a planar top surface facing the reference plane 42, such that the bracket can also be used in a situation where a window / door frame is to lie directly against the bracket, i.e. in a situation where the opening has an exact width in relation to the window / door frame or where wedges are only needed on one of the sides of the window / door.

[0078] To establish an easy and correct position of the bracket 10 into the wall 36 (see fig. 3A), when building up the wall on site, the bracket comprises an alignment flange 32 arranged to project past a vertical corner edge of the wall and to lie against the end surface of the wall 36, while the first surface 12 lies against a side surface of the wall 36. The alignment flange 32 extends perpendicular to the first surface 12.

[0079] In a most basic embodiment, where the wall is manufactured as a premanufactured wall element on a factory, the alignment flange 36 may be dispensed.

[0080] Figure 2 shows a perspective view of bracket 10’ which is to be differently connected to the wall compared to the bracket in figure 1A and 1 B. The brackets 10’ and 10 are basically constructed in the same way in relation to the oblique second and third surfaces 14, 16, but instead of the second element, the bracket 10’ comprises a number of openings 30 arranged through the part of the bracket comprising the first surface.

[0081] This embodiment is suitable to be connected to any type of wall construction, as it does not need to be incorporated into a joint between two layers of bricks but can be fastened via e.g. screws through the openings 30 and into the wall, where the first surface 12 faces the wall (see figure 4A-4B).

[0082] The bracket 10’ comprises a fixation element 26 arranged on a plate-shaped element, such that when fastening the window / door frame to the bracket 10’, screws penetrate through this fixation element, through the second 14 and / or the third surface 16, through the wedge, and into the frame for secure connection.

[0083] Figure 3A-3C shows first perspective views of a bracket system. The system comprises a bracket 10 as illustrated in figure 1A and 1 B. Figure 3A shows the principal positioning of the bracket 10 between two layers of bricks in a wall construction 36.

[0084] Figure 3B shows the bracket 10 being connected to the wall 36 and the process of positioning the wedge 34 from above between the bracket 10 and a window / door frame to be connected to the wall.

[0085] Figure 3C shows the window / door frame positioned against the bracket with the intermediate wedge 34, whereafter screws can be screwed through the bracket 10, further through the wedge 34, and into the window / door frame 38.

[0086] As can be seen from the figure (and also figure 2B), the alignment flange is positioned against the end surface of the wall 36, while the first surface 12 (see figure 3A) is positioned against the side surface of the wall 36, which ensures easy and correct installation of the bracket 10.

[0087] Figure 4A shows a perspective view of a bracket 10’ installation. The bracket 10’, without the second part, is being connected to a wall 36 via screws driven through the part of the bracket 10’ with the first surface 12 and into the wall 36. To establish an easy and correct position of the bracket 10’ into the wall 36, the bracket comprises an alignment flange 32’ arranged to project past a vertical corner edge of the wall and to lie against the end surface of the wall 36, while the first surface 12 lies against a side surface of the wall 36.

[0088] Figure 4B shows a second perspective view of a bracket system where the bracket 10’ has been connected to the wall and a wedge 34 and a window / door frame 38 is being positioned in relation to the bracket 10’.

[0089] Figure 4C-4D shows side views of a bracket and a bracket system.

[0090] Figure 4C shows a window / door frame 38 being connected to a wall 36 by use of a bracket 10’ and a wedge element 34 positioned between the bracket 10’ and the frame 38.

[0091] Figure 4D shows the same principle in relation to the oblique second and third surface as described in relation to figure 1 B. The figure clearly shows, that when the bracket is positioned and connected onto a vertically arranged wall (not shown), the second 46 and third plane 48 of the second and third surface has an oblique angle 40 in relation to a vertical reference plane 42 intended to be parallel with a vertically arranged side surface of a window / door frame, such that a wedge element 34 can be inserted between the bracket 10’ and the frame 38 to ensure an easy and correct installation of the frame into an opening in the wall.

[0092] In the following is given a list of reference signs that are used in the detailed description of the invention and the drawings referred to in the detailed description of the invention.

[0093] 10, 10’ Bracket

[0094] 12 First surface

[0095] 14 Second surface

[0096] 16 Third surface

[0097] 18, 18’ Flange

[0098] 20 First part

[0099] 22 Second part

[0100] 24 Engaging element

[0101] 26 Fixation element

[0102] 28 Openings

[0103] 30 Screw holes

[0104] 32, 32’ Alignment flange

[0105] 34 Wedge

[0106] 36 Wall

[0107] 38 Window / Door frame

[0108] 40, 40’ Oblique angle

[0109] 42 Reference plane

[0110] 44 First plane

[0111] 46 Second plane

[0112] 48 Third plane

[0113] 50 First surface width

[0114] 52 Second / third surface width

Claims

CLAIMS1. A bracket (10, 10’) for connecting a building element (38), such as a window or a door, to an opening in a wall (36), said bracket being unitary and comprising a first part (20) having a first surface (12) for facing a first side surface of said wall, and a second surface (14) for facing said opening and a side of a window or door frame mounted in said opening, said first surface (12) defining a first plane (44) and said second (14) surface defining a second plane (46), said second plane (46) being arranged with an oblique angle (40) in relation to a reference plane (42) being perpendicular to said first plane (44), said reference plane (42) being arranged to be coplanar with a side surface of said window or said door frame (38), said second surface (14) having a corrugated or non-smooth surface.

2. A bracket (10, 10’) according to claim 1, in relation to a cartesian coordinate system, said first plane being defined by an X-Z axis and said reference plane being defined by a Y-Z axis, said first side surface having an extent along said X-axis being larger compared to an extent of said second surface in along said Y-axis.

3. A bracket (10, 10’) according to claims 1 or 2, said first part (20) comprising a third surface (16) for facing a side of a window or door frame (38), said third surface (16) defining a third plane (48), said third plane (48) being arranged with an oblique angle (40’) in relation to said reference plane (42), said second and third plane (46, 48) being non-parallel, said third surface (16) having a corrugated or non-smooth surface.

4. A bracket (10, 10’) according to any of the previous claims, said second and / or said third surface having a flange (18, 18’) extending on opposite sides of said second and / or third surface (14, 16) and extending upwards in relation to said surfaces (14, 16).

5. A bracket (10, 10’) according to claim 4, said bracket comprising a biassing element (24) on one or two opposite sides of said second and / or said third surface (14, 16).

6. A bracket (10, 10’) according to any of the previous claims, said second and third surfaces (14, 16) being adjacent to each other.

7. A bracket (10, 10’) according to any of the previous claims, said bracket (10, 10’) having an alignment flange or wall (32, 32’) element extending from said first surface (14) in a direction away from said second surface (14) and for engaging a corner of said wall (36), when said first surface is arranged onto said side surface of said wall (36).

8. A bracket (10, 10’) according to any of the previous claims, said first part (20) comprising a plate-shaped fixation element (26) extending parallel to said reference plane (42) and extending distanced from said first surface (14).

9. A bracket (10) according to any of the previous claims, said bracket (10) comprising a second part (22) extending perpendicular from said first surface (12) of said first part (20) , said second part (22) being substantially plate-shaped and comprising a number of openings (28), or said bracket (10’) comprising openings (30) in said first surface, for fastening said bracket onto a wall via fastening means such, as screws.

10. A bracket system comprising a bracket (10, 10’) according to any of the previous claims and a wedge element (34), said wedge element (34) having a corrugated or non-smooth surface corresponding to said corrugated or non-smooth surface of said second and / or third surface, hereby providing an increased friction between said bracket and said wedge, said friction being larger in one direction compared to a friction in an opposite direction.

11. A method for installing a window or a door into an opening of a wall (36), said method comprising the following steps:• fixating a number of brackets (10, 10’) according to any of the previous claims 1-9 on one of an inner or outer side surface of a wall proximate an end surface of said wall, said end surface of said wall defining part of said opening, such that said first surface (12) lies against said inner or outer wall surface, and said second surface (14) being arranged with and oblique angle in relation to said end surface,• positioning a number of wedge elements (34) onto said second surface (14),• before or after positioning said number of wedge elements (34) onto said second surface (14), a window or door is positioned into said opening.

12. A method according to claim 11 , wherein the step of fixating a number of brackets, comprises fixating at least two brackets (10, 10’) proximate a horizontal end surface of said wall.

13. A method according to claim 11 or 12, wherein the step of fixating a number of brackets, comprises the step of fixating at least one and preferably two brackets (10, 10’) on said inner or outer side surface of a wall proximate a vertical end surface, and positioning a wedge element (35) onto a second surface (14) of said at least one bracket (10, 10’).

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