FRAME MOUNTING HOOKS, MOUNTING SET, FRAME AND MOUNTING PROCEDURE

DE502024000066D1Active Publication Date: 2025-07-10HUGA KG
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
DE502024000066
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Priority Date
2024-01-12
Filing Date
2024-02-22
Publication Date
2025-07-10
Estimated Expiration
2044-02-22

AI Technical Summary

Technical Problem

Existing frame fastening systems for foam-free installation lack functional improvements and efficient handling, particularly in terms of adjustability and precise positioning during installation.

Method used

A frame fastening hook with an adjustable frame fastening device and elongated opening for receiving screw heads, allowing for transverse adjustment and precise positioning on the frame, along with removable limiting means for depth adjustment.

Benefits of technology

Enables 3D adjustable frame installation with height, reveal depth, and lateral displacement capabilities, ensuring precise positioning and improved handling during foam-free assembly.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader
Need to check novelty before this filing date? Find Prior Art

Description

[0001] The invention relates to a frame fastening hook for mounting on the back of a frame, for suspending the frame during foam-free installation from a wall-mounting screw inserted into a door jamb. Furthermore, the invention relates to a mounting kit and a frame with several such frame fastening hooks. Furthermore, the invention relates to an assembly method for installing such a frame.

[0002] For the technological background, reference is made to the following literature, which already discloses a foam-free frame assembly by hanging frame fastening hooks attached to the frame on wall fastening screws previously inserted in a specific position in a reveal: [1] DE 10 2020 130 052 A1 [2] DE 72 24 769 U [3] DE 10 2017 119 445 A1

[0003] The object of the invention is to create functionally improved frame fastening hooks and improved handling thereof.

[0004] To achieve this object, the invention provides a frame fastening hook according to claim 1. A mounting set with frame fastening hooks and associated wall fastening screws, a frame and its mounting method are specified in the dependent claims.

[0005] Advantageous embodiments are the subject of the subclaims.

[0006] According to a first aspect, the invention relates to a frame fastening hook for mounting on the rear of a frame in order to hang the frame, during foam-free installation, on a wall-side wall fastening screw inserted into a door reveal. The frame fastening hook has a hanging area for hanging a screw head of the wall fastening screw. The hanging area has an elongated opening for slidably receiving the screw head of the wall fastening screw behind it. The frame fastening hook further has a frame fastening device for fastening the frame fastening hook to the frame. The frame fastening device is adjustable in order to set the position at which the frame fastening hook is fastened to the frame in a direction transverse to the extent of the elongated opening.

[0007] In some embodiments, the frame fastening device has a first fastening tab and a second fastening tab for fastening the frame fastening hook to the frame.

[0008] In some embodiments, the first fastening tab is arranged on a first side of the suspension region, and the second fastening tab is arranged on a second side of the suspension region opposite the first side. In particular, in some embodiments, the fastening regions extend away from the suspension region in a direction transverse to the extent of the elongated opening.

[0009] In some embodiments, the first and second attachment tabs extend on opposite ends in a direction longitudinal to the elongated opening away from the hooking portion. In particular, the first and second attachment portions form the narrow ends or narrow end portions of the frame attachment hook.

[0010] In particular, during normal use, the elongated opening is aligned in the vertical direction of the frame.

[0011] In such intended use, the narrow end areas - the end area of ​​the frame fastening hook in the direction of extension of the elongated opening - are arranged at the top and bottom.

[0012] The frame fastening hook can be made very narrow and is also suitable for narrow frames or narrow wall areas.

[0013] In some embodiments, it is provided that the frame fastening device has a positionally adjustable stop for striking against a frame fastening means.

[0014] In some embodiments, it is provided that the frame fastening device has at least one elongated hole with a removable limiting means for limiting the displaceability of a frame fastening means which extends through the elongated hole in the elongated hole.

[0015] Preferably, the at least one elongated hole extends transversely to the direction of extension of the elongated opening of the suspension area. In intended use, the at least one elongated hole is arranged in particular in the depth direction of the reveal.

[0016] In some embodiments, each fastening tab has such an elongated hole. In some embodiments, each fastening tab has at least one removable pin extending into the respective elongated hole as a limiting means.

[0017] In some embodiments, it is provided that the at least one pin projects from a narrow end of the elongated hole into the elongated hole.

[0018] In some embodiments, a pair of pins protrude into the slot from opposite sides.

[0019] In some embodiments, it is provided that the at least one pin can be broken out.

[0020] In some embodiments, it is provided that the at least one pin has a predetermined breaking point.

[0021] In some embodiments, it is provided that a further fastening area or an opening or bore smaller than the elongated hole is provided to secure the position of the frame fastening hook on the frame when the limiting means is removed.

[0022] In some embodiments, it is provided that the suspension area has an elongated opening for the displaceable, engaging reception of the screw head of the wall fastening screw, wherein the elongated opening has an insertion area opening towards the first side for inserting the screw head into the suspension area and an elongated screw head receiving area with an opening edge with two opposite, substantially parallel, rectilinear edge areas, wherein the opening edge is spaced from a support surface of the frame fastening device, which is intended to rest on the frame, in order to engage behind the screw head.

[0023] In some embodiments, the frame fastening hook is designed in a first variant for attachment to a left frame beam, and in a mirror-image second variant for attachment to a right frame beam. In some embodiments, the frame fastening hook is designed symmetrically so that it can be used on both the left and right sides.

[0024] In some embodiments, the frame fastening hook has only the first and second fastening tabs. The first and second fastening tabs can each protrude laterally at a narrow end region. In other variants, the first and second fastening tabs form the opposite narrow ends of the frame fastening hook, which are to be oriented upwards and downwards, respectively, during use.

[0025] In some versions, which can only be used as left- or right-hand frame fastening hooks, the mounting area is U-shaped. In some versions, the mounting area is C-shaped.

[0026] In some embodiments, each of which can only be used as a left or right frame fastening hook, a second rectilinear edge region of the elongated opening, positioned closer to the second side, is longer than the opposite first rectilinear edge region. The insertion region can be formed at the downwardly oriented end—this can accordingly be designed as an open insertion region. In other, currently preferred embodiments, the insertion region is designed as a lateral insertion region on the first side between the first rectilinear edge region and the downwardly oriented end of the frame fastening hook—which is preferably designed as a fastening tab.

[0027] In some embodiments, at least one of the straight edge regions, in particular a shorter and / or freely ending straight edge region - in particular at the insertion region - is provided with a reinforcing rib. The reinforcing rib is preferably provided on the side of the frame fastening hook that, during intended use, points away from the frame and towards the reveal. The reinforcing rib preferably extends from the frame fastening region in the direction of the extension of the elongated opening. The reinforcing rib is preferably provided in an area in which, on the opposite side of the straight edge region, there is a groove, step, or recess for receiving the screw head of the wall fastener.

[0028] In some embodiments that can be used on both sides, at least the suspension area or the entire frame fastening hook is designed symmetrically to a central plane that runs perpendicular to the longitudinal direction of the elongated opening. In some embodiments, this double design is provided with a first to fourth fastening tab that protrudes laterally transversely to the extension of the elongated opening. In other embodiments, this double design is also provided with the first and second fastening tabs that extend longitudinally to the elongated opening on the narrow end areas that are to be oriented upwards or downwards during use.

[0029] In some embodiments, each fastening tab is connected to the suspension area by means of several bevelled reinforcing ribs.

[0030] In some embodiments, a rounded groove for receiving the screw head is provided on the side of the hanging area facing the frame.

[0031] According to a further aspect, the invention relates to a set for the foam-free assembly of a frame, comprising a plurality of frame fastening hooks according to one of the preceding embodiments and wall fastening screws for screwing in with a defined screw head position in the reveal, on which the frame fastening hooks are to be suspended.

[0032] According to a further aspect, the invention relates to a frame, in particular made of wood materials, comprising such a set and / or several frame fastening hooks according to one of the preceding embodiments.

[0033] According to a further aspect, the invention provides an assembly method for assembling an aforementioned frame and / or for assembling a frame by means of fastening hooks according to one of the preceding embodiments or by means of an aforementioned set, comprising the steps Screwing in the wall fastening screws at predetermined points in the reveal, fastening the frame fastening hooks to factory-drilled holes in the frame and hanging the frame fastening hooks on the screw heads of the wall fastening screws, whereby a three-dimensional adjustment is carried out by adjusting the height by sliding the wall fastening screw in the hanging area of ​​the frame fastening hook; adjusting the reveal depth by ∘ adjusting the frame fastening device or ∘ adjusting the stop or ∘ removing the limiting device or ∘ breaking out the tenons in the oblong holes; lateral displacement of the frame by changing the screw-in depth of the associated wall fastening screws.

[0034] It is preferred that an exact positioning of the frame fastening hooks on the back of the frame when fastening the frame fastening hooks is carried out by the precise drilling of the fastening points on the back of the frame; the length of the tenons, whose spacing corresponds to the screw diameter; the screw head of the fastening screws on the frame side, which has only minimal play in the elongated hole.

[0035] Embodiments of the invention relate to an improved hook for foam-free assembly of frames.

[0036] Hooks of preferred embodiments of the invention have at least one or more of the following advantages.

[0037] Some designs of the hook have the following advantages: In a double version, the hook can be used on the right or left, and in an alternative, single-sided version, the material used is more economical. The frame assembly is 3D adjustable ∘ Height adjustable by sliding the screw in the hook ∘ Reveal depth adjustable by breaking out the tenons in the small oblong holes ∘ Lateral displacement is achieved by changing the screw-in depth of the corresponding wall fastening screws Exact positioning of the hooks on the back of the frame can be achieved by ∘ The exact drilling of the fastening points on the back of the frame ∘ The tenon length, the distance between which corresponds to the screw diameter of the frame-side fastening devices, in particular hook fastening screws ∘ The screw head of the frame-side hook fastening screws, which has only minimal play in the oblong hole The hooks are stabilized by ∘ Several, in particular eight,Bevels on the tabs ∘ rounded groove on the back with adaptation to the screw head of the wall fastening screw Easy insertion of the wall fastening screw through at least one or both sides of the bevels on the hook opening - insertion area Little play in the hook for the screw head and screw shaft of the wall fastening screws Small holes in the tabs to prevent the hooks from slipping when screwing them on for the second time (after breaking out the pins) (sliding back to the old fastening point),

[0038] Some other designs of the hook have the following advantages: The hook is available in right and left versions and therefore requires less material than a double version. The screws are located at the top and bottom of the hook when used as intended, making the hook suitable for narrower walls. The frame installation is 3D adjustable: ∘ Height adjustable by sliding the screw in the hook ∘ Reveal depth adjustable by breaking out the tenons in the small oblong holes ∘ Lateral adjustment is achieved by changing the screw-in depth of the corresponding wall fastening screws. Precise positioning of the hooks on the back of the frame can be achieved by: ∘ The precise drilling of the fastening points on the back of the frame ∘ The tenon length, the distance between which corresponds to the screw diameter of the frame-side fastening devices, especially hook fastening screws ∘ The screw head of the hook fastening screwswhich has only minimal play in the slotted hole Stabilization of the hooks by: ∘ Bevels on the tabs ∘ Rounded groove on the back with adaptation to the screw head of the wall fastening screw Easy insertion of the wall fastening screw through at least one or both sides of the bevels on the hook opening - insertion area Little play in the hook for the screw head and screw shaft of the wall fastening screws,

[0039] Examples of embodiments are explained in more detail below with reference to the attached drawings. They show: Fig. 1 is a perspective view of a first embodiment of a frame fastening hook, seen from above and from a first side; Fig. 2 is a further perspective view of the first embodiment of the frame fastening hook, seen from a second side and from above; Fig. 3 is a bottom view of the first embodiment of the frame fastening hook, looking towards the underside of the frame fastening hook, which in use rests against the back of a frame, according to the first embodiment; Fig. 4 is a partially transparent plan view of the frame fastening hook according to the first embodiment; Fig. 5 is a view as in Fig. 4 of the frame fastening hook according to a second embodiment; Fig. 6 a view as in Fig. 4of the frame fastening hook according to a third embodiment in a variant for use on a left frame beam; Fig. 7 a section through the frame fastening hook of the third embodiment along the line BB of Fig. 6 ; Fig. 8 a view of the frame fastening hook of the third embodiment from the left in Fig. 6 seen; Fig. 9 is a perspective view of the frame fastening hook according to the third embodiment; Fig. 10 is a plan view of the frame fastening hook of the third embodiment in a variant for use on a right frame beam; and Figs. 11 and 12 are different perspective views of the frame fastening hook of Fig. 10 .

[0040] The figures show different embodiments of a frame fastening hook 10 which can be used as a frame-side hook on a frame in an assembly as known from the literature references [1] to [3]. Fig. 1 to 4show a first embodiment of a double version in which the frame fastening hook 10 can be used right-left and the Fig. 5 to 12 show a second and a third embodiment of the frame fastening hook 10 in an alternative, one-sided design, which is more economical in the use of material, with different, mirror-image variants being provided for use on a left or right frame beam.

[0041] The frame fastening hook 10 is therefore designed for mounting on the back of a frame, in order to hook it onto a wall-side wall fastening screw inserted into a door jamb during foam-free installation. The frame, the door jamb, and the wall fastening screws are not shown here; in preferred embodiments, they are designed as shown in reference [1].

[0042] The frame fastening hook 10 has a suspension area 12 for attaching a screw head of the wall fastening screw. The suspension area 12 has an elongated opening 14 for slidably receiving the screw head of the wall fastening screw.

[0043] The frame fastening hook 10 further comprises an adjustable frame fastening device 16 for fastening the frame fastening hook 10 to the frame. The frame fastening device 16 is configured to enable fastening in a direction transverse to the extension of the elongated opening 14 of the suspension area 12 with a selectable relative position of the frame and fastening hook, thus providing additional adjustability of the position of the frame in addition to the displaceability of the frame by moving the wall fastening screw in the elongated opening 14 of the suspension area 12. For this purpose, the frame fastening device 16 is adjustable to adjust the position in the direction transverse to the extension of the elongated opening 14 of the suspension area 12.In particular, the frame fastening device 16 has an adjustable stop - limiting means 26 - for striking against frame fastening means introduced into the frame at prefabricated positions, such as protruding pins or frame-side screws inserted into prefabricated bores.

[0044] In some embodiments, as shown in the drawings, the frame fastening device 16 has a first fastening tab 20.1 and a second fastening tab 20.2 for fastening the frame fastening hook 10 to the frame.

[0045] In the Fig. 1 to 5 In the embodiments shown, the first fastening tab 20.1 is arranged on a first side 18 of the hanging area 12 and the second fastening tab 20.2 is arranged on a second side 22 opposite the first side 18.

[0046] The elongated opening 14 designed to accommodate a wall fastener, such as in particular a screw to be attached in the reveal, is to be arranged in the vertical direction (vertically) in its intended use in order to hang the frame with the frame fastening hook 10.

[0047] In some embodiments, examples of which are shown in the Fig. 6 to 12As shown, the first fastening tab 20.1 extends further upward from a first end of the suspension area 12, which, in normal use, is directed upward when attached to the frame. In particular, the first and second fastening tabs 20.1, 20.2 extend on opposite ends in the direction longitudinal to the elongated opening 14 away from the suspension area 12. In some embodiments, the first and second fastening areas 20.1, 20.2 form the narrow ends or narrow end areas 60 of the frame fastening hook 10. These narrow ends are to be oriented upwards and downwards, respectively, in normal use.

[0048] In some embodiments, such as in particular one in Fig. 5 and one in Fig. 6 to 12 In the material-saving embodiment shown, only a first and second fastening tab 20.1, 20.2 are provided. Fig. 1 to 4In the illustrated double version for optional right / left use, a first to fourth fastening bracket 20.1-20.4 are provided in some embodiments. In a further embodiment of the double version, not shown in detail, only the first and second fastening brackets 20.1, 20.2 are provided in the Fig. 6 to 12 shown arrangement, combined with the design of the suspension area 12 as in Fig. 1 to 4 provided.

[0049] The adjustability of the position of the frame fastening device 16 can be designed differently. In some embodiments, the frame fastening device 16 has at least one elongated hole 24 with a removable limiting means 26 for limiting the displaceability of a frame fastening means extending through the elongated hole 24—in particular a screw screwed into the frame—in the elongated hole 24. In the embodiments illustrated, the at least one elongated hole 24 extends transversely to the direction of extension of the elongated opening 14 of the suspension area. In intended use, the at least one elongated hole 24 is arranged, in particular, horizontally, in the depth direction of the reveal.

[0050] In some embodiments, each fastening tab 20.1-20.4 is provided with the elongated hole 24. Preferably, at least one removable pin 28 projecting into the elongated hole 24 is provided as a limiting means.

[0051] In some embodiments, the at least one pin 28 extends from a narrow end 30 of the slot 24 into the slot 24. In some embodiments, the pins 28 of a pair of pins extend from opposite sides into the slot 24. In some embodiments, the at least one pin 28 is breakable. For example, the at least one pin 28 has a predetermined breaking point or is designed so thin that it can be easily broken out using a standard tool.

[0052] In some embodiments, a further fastening area, in particular an opening or bore 34 which is smaller than the elongated hole 24, is provided for securing the position of the frame fastening hook 10 on the frame when the limiting means 26 is removed.

[0053] In the illustrated embodiments, the suspension area 12 has the elongated opening 14 for slidably receiving the screw head of the wall fastening screw. The elongated opening 14 has an insertion area 38 opening toward the first side 18 for inserting the screw head into the suspension area 12 and an elongated screw head receiving area 40. The screw head receiving area 40 is provided with an opening edge 42 with two opposite, substantially parallel, rectilinear edge areas 44.1, 44.2. A first rectilinear edge area 44.1 delimits the elongated opening 14 toward the first side, and a second rectilinear edge area 44.2 delimits the elongated opening 14 toward the second side.

[0054] In the Fig. 1 to 4In the double version shown, the insertion area 38 is provided in the middle of the first straight edge area 44.1 and has an insertion bevel 46 on both edges. Fig. 5 to 12 In the embodiments shown, the second straight edge region 44.2 is longer than the first straight edge region 44.1, which ends in an insertion bevel 46. In some embodiments, such as in Fig. 6 to 12 As shown, the shorter first straight edge region 44.1, which delimits the insertion region 38, has a reinforcing rib 58.

[0055] The opening edge 42 is spaced from a support surface 52 for resting on the frame—particularly by forming a groove 48 on the underside 50. The support surface 52 is formed on the frame fastening device 16, in particular the fastening tabs 20.1-20.4. The depth and design of the groove 48, and thus the dimension of the spacing, are selected according to the design of the screw head of the wall fastening screw, so that it can be slidably received in the groove with minimal play between the opening edge 42 and the frame.

[0056] If a reinforcing rib 58 is provided on at least one of the edge regions 44.1, 44.2, in particular the freely ending first edge region 44.1, it is preferably provided on the opposite side of the groove 48, so that the edge region 44.1 is also designed to be stable in this region despite the groove 48.

[0057] In the Fig. 5In the embodiment shown, the frame fastening hook 10 is formed with the first and second fastening tabs 20.1, 20.2, wherein the suspension area 12 is U-shaped, wherein an edge area 44.2 of the elongated opening 14 within the U-shape is longer than the opposite edge area 44.1. The frame fastening hook 10 is provided with the Fig. 5The frame is mounted with the round end of the elongated opening shown on the left pointing upwards on the rear of the frame using factory-prefabricated holes that specify the position. The frame is inserted into the door opening in the direction in which the first side 18 points until the previously mounted wall fastening screws hit the protruding second straight edge area 44.2. The frame is then moved downwards so that the screw head is engaged on both sides by the edge areas 44.1, 44.2 and the frame is thus hung on the wall fastening screw. Different versions of this frame fastening hook 10, designed as mirror images of one another, are to be used on the two longitudinal beams of the frame.

[0058] In the Fig. 6 to 12 The embodiment shown is one in the Fig. 6 to 9 shown variant for use on the left frame beam and a mirror image of this, in the Fig. 10 to 12The variant shown is intended for use on the right frame beam. The respective frame fastening hook 10 is connected to the Fig. 6 or Fig. 10 The ends shown on the left are mounted on the outside (i.e. rear) of the left and right frame members of the frame, respectively, with the ends pointing upwards, using factory-prepared holes that specify the position. The frame is inserted into the door opening in the direction in which the first side 18 points, until the previously installed wall fastening screws are passed through the insertion area 38 and strike the second straight edge area 44.2. The frame is then moved downwards so that the screw head is engaged on both sides by the edge areas 44.1, 44.2 and the frame is thus hung on the wall fastening screw.

[0059] In the Fig. 1 to 4In the embodiment shown, the frame fastening hook 10 is designed with a first to fourth fastening tab 20.1-20.4. In other embodiments, in the intended use, the top and bottom (ie left and right in Fig. 4 ) the fastening tabs 20.1, 20.2 are provided, as in the third version according to Fig. 6 to 12 . Unlike the execution according to the Fig. 5 to 12 is in the double version, an example of which is shown in Fig. 1 to 4shown, at least the suspension area or the entire frame fastening hook 10 is designed symmetrically to a central plane 54 which runs perpendicular to the longitudinal direction of the elongated opening 14. This means that the same frame fastening hook 10 can be used on both the left and right of the frame, and the suspension takes place analogously to the description above for the simple design on the respective upward-facing half of the frame fastening hook 10. In the illustrated embodiments of the double design, the entire frame fastening hook 10, with the exception of the bore 34 for auxiliary fastening when the limiting means 26 are removed, is mirror-symmetrical to the central plane 54.

[0060] For example, two holes 34 are provided which are arranged in such a way that when the frame fastening hook 10 is rotated by 180° around an angle perpendicular to the plane of the drawing, Figs. 3 and 4lie at the same position along the central axis running through the center of the fastening hook 10. In other words, they are point-symmetric or axially symmetric to this central axis.

[0061] In some embodiments, in order to stiffen the frame fastening hook 10, each fastening tab 20.1-20.4 is connected to the suspension area 12 by means of several bevelled reinforcing ribs 56.

[0062] In some embodiments, the groove 48, which is provided on the side of the suspension area 12 facing the frame and intended to accommodate the screw head, is rounded. This also contributes to the stiffening of the frame fastening hook 10.

[0063] For foam-free installation of the frame, a set is then used that includes several frame fastening hooks 10 according to one of the above embodiments as well as wall fastening screws for screwing in with a defined screw head position in the reveal, to which the frame fastening hooks 10 are to be attached. Embodiments also relate to a correspondingly equipped frame, in particular made of wood materials, comprising such a set and / or several frame fastening hooks 10. For further details on possible designs of frame, wall fastening screws, and fastening means, reference is made to the reference [1].

[0064] A possible assembly method for assembling the frame comprises the steps of screwing in the wall fastening screws at predetermined locations in the reveal, fastening the frame fastening hooks 10 to factory-made holes in the frame and hanging the frame fastening hooks 10 on the screw heads of the wall fastening screws, whereby a three-dimensional adjustment can be carried out by Height adjustment by sliding the wall fastening screw in the hooking area 12 of the frame fastening hook 10; adjustment of the reveal depth by removing the limiting means 26, in particular by breaking out the pins 28 in the elongated holes; and lateral displacement of the frame by changing the screw-in depth of the associated wall fastening screws.

[0065] An exact positioning of the frame fastening hooks 10 on the back of the frame when attaching the fastening hooks is carried out by the precise holes for the fastening points on the back of the frame; the tenon length, the distance between which corresponds to the screw diameter; the screw head of the frame fastening screws, which has only minimal play in the slotted hole.

[0066] Preferred embodiments of the invention relate to a frame fastening hook (10) that can be fastened to the rear of a frame in order to suspend the frame, during foam-free installation, from a wall-mounting screw inserted into a door jamb. The frame fastening hook (10) accordingly has a suspension area (12) for suspending a screw head of the wall fastening screw. The suspension area (12) has an elongated opening (14) for slidably receiving the screw head of the wall fastening screw.To functionally improve the frame fastening hook, in particular to enable the frame to be mounted in a better position, it is proposed that the frame fastening hook (10) further comprise a frame fastening device (16) for fastening the frame fastening hook (10) to the frame, which is adjustable in order to adjust the position at which the frame fastening hook (10) is fastened to the frame in a direction transverse to the extent of the elongated opening (14). In particular, an adjustable stop is provided, such as in particular a limiting means removable from an elongated hole (24). List of reference symbols:

[0067] 10 frame fastening hook 12 suspension area 14 oblong opening 16 frame fastening device 18 first side 20.1 first fastening tab 20.2 first fastening tab 20.3 first fastening tab 20.4 first fastening tab 22 second side 24 oblong hole 26 limiting device 28 tenon 30 narrow end 34 bore 38 insertion area 40 screw head receiving area 42 opening edge 44.1 first straight edge area 44.2 second straight edge area 46 insertion bevel 48 groove 50 underside 52 support surface 54 central plane 56 reinforcing rib (of the fastening tab) 58 reinforcing rib (of the edge area) 60 narrow end area

Claims

1. Frame fixing hook (10) for mounting on the rear side of a frame for hanging the frame on a wall-side wall-mounting screw inserted into a door reveal in foam-free mounting, wherein the frame fixing hook (10) comprises a hanging region (12) for hanging a screw head of the wall-mounting screw, the hanging region (12) having an elongate opening (14) for the displaceable, rearwardly engaging accommodation of the screw head of the wall-mounting screw, characterized in that the frame fixing hook (10) further comprises a frame fixing device (16) for fixing the frame fixing hook (10) to the frame, which is adjustable to adjust the position at which the frame fixing hook (10) is fixed to the frame in a direction transverse to the elongated opening (14).

2. Frame fixing hook (10) according to claim 1, characterized in that the frame fixing device (16) has a first mounting bracket (20.2) and a second mounting bracket (20.2) for mounting the frame fixing hook (10) to the frame, wherein preferably 2.1 the first mounting bracket (20.1) is arranged on a first side (18) of the hanging region (12) and the second mounting bracket (20.2) is arranged on a second side (22) of the hanging region (12) opposite the first side (18) or 2.2 the first and second mounting brackets (20.1, 20.2) extend away from the hanging region and / or form narrow-end regions of the frame fixing hook at the opposite ends in a direction along the elongated opening.

3. Frame fixing hook (10) according to any one of the preceding claims, characterized in that 3.1 the frame fixing device (16) has a position-adjustable stop for striking against a frame-fixing means; and / or 3.2 the frame fixing device (16) has at least one elongated hole (24) with a removable limiting means (26) in said elongated hole (24), for limiting the displaceability of a frame fixing means which penetrates through the elongated hole (24).

4. Frame fixing hook (10) according to claims 2 and 3, characterized in that each mounting bracket (20.2-20.4) has an elongated hole (24) and as a limiting means (26) at least one removable pin (28) penetrating into the elongated hole (24).

5. Frame fixing hook (10) according to claim 4, characterized by at least on or more of the following features: 5.1 that the at least one pin (28) penetrates into the elongated hole (24) from a narrow end (30) of the elongated hole (24); 5.2 that a pair of pins (28) penetrates into the elongated hole (28) from opposite sides; 5.3 that the at least one pin (28) can be broken out; and / or 5.4 that the at least one pin (28) has a predetermined breaking point.

6. Frame fixing hook (10) according to any one of claims 3 to 5, characterized in that a further fixing region or a smaller opening or bore (34) compared to the elongated hole is provided to secure the position of the frame fixing hook (10) on the frame when the limiting means (26) is removed.

7. Frame fixing hook (10) according to any one of the preceding claims, characterized in that the hanging region (12) has an elongated opening (14) for the displaceable, rearwardly engaging accommodation of the screw head of the wall-mounting screw, the elongated opening (14) having an insertion region (38) opening towards the first side (18) for inserting the screw head into the hanging region (12) and an elongated screw-head receiving region (40) having an opening edge (42) with two opposite, essentially parallel, straight edge regions (44.1 , 44.2), the opening edge (42) being spaced from a bearing surface (52) of the frame fixing device (16), which is intended for bearing against the frame, in order to engage behind the screw head.

8. Frame fixing hook (10) according to claim 2 or according to any one of claims 3 to 7, as far as dependent on claim 2, 8.1 designed with a first (20.1) and second (20.2) mounting bracket, the hanging region (12) being formed in a U-shape, a second straight edge region (44.2) of the elongated opening (14), which is positioned closer to the second side, being longer than the opposite first straight edge region (44.1); or 8.2 designed with a first to fourth mounting bracket (20.1-20.4), wherein at least the hanging region (12) or the entire frame fixing hook (10) is formed symmetrically with respect to a center plane (54) which extends perpendicularly to the longitudinal extension of the elongate opening (14); or 8.3 designed only with a first and a second mounting bracket (20.1, 20.2) which adjoin the hanging region (12) on both sides in the direction of extension of the elongate opening (14), wherein a second straight edge region (44.2) of the elongate opening (14), which is positioned closer to the second side (22), is longer than the opposite first straight edge region (44.1), and wherein a lateral insertion region (38) for inserting the wall-mounting screw into the elongated opening (14) is formed between the first straight edge region (44.1) and the second mounting bracket (20.2).

9. Frame fixing hook (10) according to any one of the preceding claims, characterized in that each mounting bracket (20.1, 20.2) is connected to the hanging region (12) by means of a plurality of bevelled reinforcing ribs (56).

10. Frame fixing hook (10) according to any one of the preceding claims, characterized in that a preferably rounded groove (48) for receiving the screw head is provided on that side of the hanging region (12) which is to face the frame.

11. Set for foam-free mounting of a frame, the set comprising a plurality of frame fixing hooks (10) according to one of the preceding claims, and wall-mounting screws for screwing in with a defined screw-head position in the reveal where the frame fixing hooks (10) are to be hung.

12. Frame, in particular made of wood-based materials, comprising a set according to claim 11 and / or several frame fixing hooks (10) according to one of claims 1 to 10.

13. Mounting method for mounting a frame according to claim 12 and / or a frame by means of fixing hooks according to one of claims 1 to 10 or by means of a set according to claim 11, the method comprising screwing in the wall-mounting screws at predetermined points in the reveal, fixing the frame fixing hooks (10) to holes drilled in the factory in the frame and hanging the frame fixing hooks (10) on the screw heads of the wall-mounding screws, a three-dimensional adjustment being carried out by • adjustment in height by sliding the wall-mounting screw in the hanging region (12) of the frame fixing hook (10); • adjustment in the reveal depth by ∘ adjusting the frame mounting device (16) or ∘ adjusting the stop or ∘ removing the limiting means (26) or ∘ breaking out the pins (28) in the elongated holes; • lateral displacement of the frame by changing the screw-in depth of the associated wall-mounting screws.

14. Mounting method according to claim 13, characterized in that precise positioning of the frame fixing hooks (10) on the rear side of the frame when fixing the frame fixing hooks (10) is achieved by • the precise drilling of the mounting points on the rear side of the frame; • the length of the pins (28), the distance between which corresponds to the screw diameter • the screw head of the mounting screws on the frame side, which has only minimal play in the elongated hole.