Device and method for securing frames

Abstract

A device for securing frames, including a retaining plate and two clamping angles, the clamping angles being retained on the retaining plate so they can shift in relation thereto. To ensure simple handling, the angles are arranged on the retaining plate rotationally fixed and each includes at least one clamping element and at least one connecting piece. Methods are included for securing a frame to a wall, whereby one angle is connected to a retaining plate that is secured to an inner side of the frame. To secure the frame simply, it is inserted into a wall opening and a second angle is connected to the plate in a rotationally fixed manner across from the first angle, after which the first and second angles are connected using at least one adjusting means and a span width is reduced until a sufficient clamping force on the wall is reached.

Claims

1. A device for securing a door frame to a wall, the device comprising: a three-separate-part securing system comprising a retaining plate and two cooperating clamping angles; the retaining plate comprises at least one horizontal guide channel for the first and second clamping angles; wherein the two cooperating clamping angles comprise a first clamping angle and a second clamping angle, the first and second clamping angles are arranged on the retaining plate such that each of the first and second clamping angles being configured to be shifted in relation to the retaining plate and thereby change a span width of the first and second clamping angles; wherein the two cooperating clamping angles are arranged on the retaining plate in a rotationally fixed manner; each of the two cooperating clamping angles comprises at least one planar clamp and at least one connector, the at least one connector configured to be guided within the horizontal guide channel; the first clamping angle comprises at least one female thread each configured to receive a respective positioner; the second clamping angle comprises at least one connecting hole corresponding respectively to the at least one female thread; wherein the retaining plate of the three-separate-part securing system is configured to be secured to a part of the door frame; and wherein the first and second clamping angles of the three-separate-part securing system are configured to be directly secured to the wall.

2. The device according to claim 1, wherein: the at least one planar clamp and at least one connector form an angle of approximately 90.

3. The device according to claim 1, wherein: the at least one connector has a cross section which is essentially polygonal.

4. The device according to claim 1, wherein: the at least one connector has a cross section that is essentially rectangular.

5. The device according to claim 1, wherein: the at least one female thread is at a first end of the first clamping angle.

6. The device according to claim 1, wherein: each of the at least one positioner is a screw.

7. The device according to claim 1, wherein: at least one of the planar clamps comprises multiple holes configured to receive one fastener each.

8. The device according to claim 1, wherein: the retaining plate comprises a central surface flanked by two contact surfaces; and the retaining plate is beveled between the central surface and respective ones of the contact surfaces.

9. The device according to claim 1, wherein: each of the clamping angles comprises a toothing on an end of the clamp.

10. A method of securing a door frame to a wall with the device of claim 1, said method comprising: arranging the first and second clamping angles on the retaining plate so that the first and second clamping angles are rotationally fixed to the retaining plate.

11. A method of securing a door frame to a wall with the device of claim 1, said method comprising: connecting the first clamping angle to the retaining plate; securing the retaining plate to an inner side of the door frame; inserting the door frame into a wall opening; connecting the second clamping angle to the retaining plate in a rotationally fixed manner across from the first clamping angle; connecting the first clamping angle and the second clamping angle using at least one positioner to reduce the span width until a sufficient clamping force on the wall is reached in order to fix the door frame to the wall.

12. The method according to claim 11, further comprising: using the at least one horizontal guide channel, sliding in between the retaining plate and the door frame the at least one connector of the second clamping angle.

13. The method according to claim 11, further comprising: aligning the door frame before the span width is reduced.

14. The method according to claim 11, further comprising: aligning the door frame before the span width is reduced to a minimum.

15. The method according to claim 11, wherein: when the retaining plate is connected to the first clamping angle and to second clamping angle in a fixed position, a fixer is used.

16. The method according to claim 11, wherein: the retaining plate is first secured to a securing frame for a door and the clamping angles are inserted thereafter.

17. The device according to claim 1, wherein: the retaining plate and the two cooperating clamping angles of the three-separate-part securing system are movable with respect to each other.

Description

(1) Additional features, advantages and effects follow from the exemplary embodiments described below. In the drawings which are thereby referenced:

(2) FIG. 1 shows a cross section through a secured frame with a device according to the invention;

(3) FIGS. 2 and 3 shows the device according to the invention;

(4) FIGS. 4 through 7 show different views of a first and a second clamping angle;

(5) FIGS. 8 through 10 show different views of a retaining plate.

(6) FIG. 1 shows a schematic illustration of a device 1 for securing a frame 2 to a wall 3 or in a wall opening, wherein the device 1 is connected to a frame 2, bears against a decorative paneling 4 of the wall 3 on one side, and is clamped to the wall 3 on both sides. In this embodiment, the device 1 comprises a retaining plate 5 as well as two clamping angles 6a, 6b which respectively bear against the faces of the wall 3.

(7) FIG. 2 shows the device 1 in a three-piece embodiment, comprising the retaining plate 5 and two clamping angles 6a, 6b. Alternatively, the device 1 can be embodied to be two-piece, wherein the retaining plate 5 is embodied with an integrated clamping angle 6a. The retaining plate 5 is essentially embodied such that it is raised in the center, wherein a first clamping angle 6a from one side and a second clamping angle 6b from a side across from the first clamping angle 6a are slid into or under the retaining plate 5. In the illustration shown, the clamping angles 6a, 6b have a large span width 7. To keep the clamping angles 6a, 6b in a proper position and guide them during a sliding-in, the retaining plate 5 comprises multiple guide elements 8. The guide elements 8 are in this case embodied to be flat.

(8) FIG. 3 shows a top view of the device 1, wherein the clamping angles 6a, 6b have been fully slid into the retaining plate 5, wherein the span width 7 is reduced to a minimum determined by the retaining plate 5. During an installation of the frame 2, this minimum, or the minimum span width 7, is typically defined by a wall thickness.

(9) In FIG. 4, two clamping angles 6a, 6b are illustrated which each comprises one clamping element 9, or simply clamp 9, and at least one connecting piece 10, or simply connector 10. Here, the first clamping angle 6a essentially comprises two planar connecting pieces 10 with one notch each, which connecting pieces 10 are connected by the clamping element 9. The connecting piece 10 of the second clamping angle 6b likewise comprises a notch, which is open at one end so that this connecting piece 10 is essentially embodied to be U-shaped, wherein lateral, in particular rod-shaped, parts each have a rectangular cross section. Alternatively, two or more rod-shaped connecting pieces 10 that are connected to one another, preferably by the clamping element 9, can also be provided. The connecting pieces 10 can be embodied in any desired shape, in particular with a rectangular, square, triangular, polygonal, oval, or round cross section. If multiple connecting pieces 10 are provided, different shapes can be combined with one another as desired. However, if only a single rod-shaped connecting piece 10 is provided, then it preferably comprises at least one edge or is embodied to be oval, in order to ensure a rotationally fixed securing.

(10) The notches in the connecting pieces 10 primarily serve to reduce the weight. In addition, at a first end of the first clamping angle 6a, typically on the connecting pieces 10, two female threads 11, which are not illustrated, are provided. At a second end, a toothing 12 is provided both on the first and also on the second clamping angle 6b, preferably on a top side of the clamping element 9. Additionally, a U-shaped profile 13, such as a rubber cap for example, is illustrated which is advantageously formed from an elastic material, in particular a rubber or silicone. This U-shaped profile 13, or the rubber cap, can be pulled over the toothing 12 to prevent a slipping by the device 1 on a smooth surface such as a tiled wall, for example.

(11) FIG. 5 shows a further illustration of the clamping angles 6a, 6b, wherein it can be seen that the clamping element 9 and the at least one connecting piece 10 form an angle of approximately 90. In the illustrated embodiment, the clamping element 9 of the first clamping angle 6a is connected to the connecting piece 10 via a segment arranged at a slant. This segment preferably forms an angle between 10 and 80, typically an angle of 45, with the clamping element 9 and/or the connecting piece 10. The clamping element 9 of the second clamping angle 6b is in this case directly connected to the connecting piece 10, wherein a connection point is embodied in a curved manner.

(12) FIG. 6 shows a front view of the clamping angles 6a, 6b with the clamping elements 9 in the foreground, wherein the clamping elements 9 comprise multiple holes 14 for securing or receiving a fixing means. On the one hand, these holes 14 serve to reduce the weight and, on the other hand, a fastening screw, for example, can be screwed into the wall 3 through these holes 14 in order to fix the device 1 to the wall 3. In addition, the clamping elements 9 respectively comprise notches which serve to reduce the weight and possibly simplify a handling. Furthermore, on the clamping element 9 of the second clamping angle 6b, two connecting holes 15 corresponding to the female thread 11 are provided, through which connecting holes 15 an adjusting means, such as a screw for example, can be screwed into the female thread 11 in order to connect the clamping angles 6a, 6b to one another and to set the span width 7. Particularly preferably, a maximum span width 7 can be set using the adjusting means, since a distance between the clamping elements 9 can only be increased so far before the second clamping element 9 touches a head of the adjusting means, for example, such as a screw head. Alternatively, a rod-shaped projection with a male thread can be provided on the at least one connecting piece 10 in place of the female thread 11, for example, which projection can be guided through the connecting hole. A nut can be screwed onto the projection to set a span width 7 in this case. The connecting piece 10 can in particular be embodied to be fully rod-shaped and can comprise a male thread.

(13) FIG. 7 shows a rear view of the clamping angles 6a, 6b, wherein the two female threads 11 that are arranged on the face of the connecting pieces 10 of the first clamping angle 6a are illustrated. The corresponding connecting holes 15 are provided on the clamping element 9 of the second clamping angle 6b. Normally, the connecting pieces 10 of the first clamping angle 6a and the second clamping angle 6b have a different outer distance 16 or width. Particularly preferably, an inner distance 17 between the connecting pieces 10 of the first clamping angle 6a corresponds to the outer distance 16 or width of the connecting piece 10 of the second clamping angle 6b. As a result, the second clamping angle 6b is guided by the first clamping angle 6a when being slid into the retaining plate 5.

(14) FIG. 8 shows a top view of the retaining plate 5, wherein a central surface 18 is flanked by two contact surfaces 19. In addition, a further contact surface 19 is provided which is arranged centrally in the retaining plate 5. The contact surfaces 19 each comprise at least one mounting hole 20, preferably multiple mounting holes 20. With the aid of the mounting holes 20, the retaining plate 5 can be screwed together with a frame. Furthermore, the retaining plate 5 is respectively embodied to be beveled between the contact surfaces 19 and the central surface 18. In addition, multiple guide elements 8, or simply guides 8, are provided which are used for a guidance of the clamping angles 6a, 6b, in particular the connecting pieces 10 of the first clamping element 9. When the retaining plate 5 is screwed onto the frame 2, for example through the mounting holes 20, the guide elements 8 of this embodiment also bear against the frame 2. If necessary, the guide elements 8 can also comprise mounting holes 20. Normally, the retaining plate 5 comprises at least two, in particular six, preferably seven mounting holes 20.

(15) FIG. 9 shows a front view of the retaining plate 5, wherein one beveled connection each is provided between the central surface 18 and the respective contact surface 19. Furthermore, a space into which the clamping angles 6a, 6b can be slid is provided beneath the central surface 18. Additionally, two guide elements 8 are illustrated.

(16) In FIG. 10, a view of a bottom side of the retaining plate 5 is illustrated. In this case, the guide elements 8 are provided such that they adjoin lateral contact surfaces 19 and as a widening of the contact surfaces 19 in some places. Typically, a distance between two opposing guide elements 8, or a guide width 21, roughly corresponds to a width of the connecting piece 10 or the outer distance 16 between the connecting pieces 10 of the first clamping angle 6a. It is thus ensured that the first clamping angle 6a is guided in a proper position and does not become wedged. Furthermore, the retaining plate 5 preferably comprises a notch that also serves to reduce the weight.

(17) With a device 1 according to the invention, such as that illustrated in FIG. 1 through FIG. 10, a frame 2 can be secured to a wall 3 or in a wall opening in a simple manner.

(18) For this purpose, with the device 1 embodied in three pieces the first clamping element 9 is connected to the retaining plate 5 in a first step. The first clamping element 9 can thereby be slid into the retaining plate 5, for example, and can be clamped preferably between the guide elements 8. This first step is eliminated for the device 1 embodied in two pieces, since the retaining plate 5 is already embodied with an integrated clamping element 9.

(19) The retaining plate 5 is then secured to the frame 2, in particular to an inner side of the frame 2. It has proven effective that the retaining plate 5 be screwed onto the frame 2. Alternatively, the retaining plate 5 can be glued together with the frame 2. To mount the frame 2 in the most gap-free manner possible, the clamping element 9 is in this case preferably positioned against a rabbet or decorative paneling 4 of the frame 2.

(20) In a further step, the frame 2 is inserted into the corresponding wall opening and the first clamping angle 6a is positioned with the clamping element 9 thereof against a first face of the wall 3. On a side of the retaining plate 5 across from the first clamping angle 6a, the second clamping angle 6b is then, as shown in FIG. 1 and FIG. 2, slid between the retaining plate 5 and the frame 2 until the clamping element 9 of the second clamping angle 6b bears against a second face of the wall 3. Alternatively, the second clamping angle 6b can be slid into a guide channel possibly provided for this purpose. In the case of tiled walls or other smooth surfaces, the U-shaped profile 13 or the rubber cap is normally pulled over the toothing 12 of the clamping element 9.

(21) After this, screws can be screwed into the female thread 11 through the connecting holes 15 in order to connect the two clamping angles 6a, 6b to one another. The span width 7 is thus reduced, whereby the device 1 is clamped in place, preferably lightly, on the wall 3. At this point, the frame 2 can still be trued or adjusted, since the mounting plate 5 can be shifted relative to the clamping angles 6a, 6b.

(22) Once the frame 2 has been trued and/or straightened, the screws are screwed further into the female thread 11 in a next step until the span width 7 is at a minimum and, accordingly, a clamping force is at a maximum. Here, the minimum of the span width 7 is defined by a wall thickness. In the three-piece embodiment of the device 1, the frame 2 can then be readjusted, especially if the retaining plate 5 and the first clamping angle 6a are not connected in a fixed position.

(23) Finally, a fastener can be introduced between the retaining plate 5 and the clamping angles 6a, 6b so that the retaining plate 5 is connected to the clamping angles 6a, 6b in a fixed position. For this purpose, one screw each, for example a self-tapping screw, is preferably screwed in between the beveled connection and the first clamping angle 6a.

(24) Depending on a length of the frame 2, one or more devices 1 are used for the securing, and the individual steps are repeated accordingly for each device 1. For an installation of a door, at least two, in particular three, devices 1 are used on the frame 2, for example, along a long side of the door. One device 1 is typically fixed to the frame 2 along a short side of the door. If necessary, the device 1 along the short side of the door can be omitted.

(25) As a final step, the clamping elements 9 can immediately be covered with a decorative paneling 4, molding, or trim, and a visually appealing installation of the frame 2 can thus be completed. To remove the frame 2 in a non-destructive manner, all connections can simply be undone and the frame 2 can be removed from the wall opening.