DE102024100854A1 - Frame fastening hooks, mounting kit, frame and mounting procedure - Google Patents

Abstract

The invention relates to a frame fastening hook (10) which can be fastened to the back of a frame in order to hang the frame on a wall fastening screw on the wall side which is inserted into a door jamb during foam-free assembly. The frame fastening hook (10) accordingly has a hanging area (12) for hanging a screw head of the wall fastening screw. The hanging area (12) has an elongated opening (14) for slidably engaging behind the screw head of the wall fastening screw. In order to functionally improve the frame fastening hook, in particular to be able to mount the frame in a better position, it is proposed that the frame fastening hook (10) also has a frame fastening device (16) for fastening the frame fastening hook (10) to the frame, which is adjustable in order to set 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 that can be removed from an elongated hole (24).

Description

The invention relates to a frame fastening hook for mounting on the back of a frame in order to hang it on a wall fastening screw inserted into a door jamb during foam-free mounting. The invention also relates to a mounting set and a frame with several such frame fastening hooks. The invention also relates to an assembly method for mounting such a frame.

• [1] DE 10 2020 130 052 A1
• [2] DE 72 24 769 U
• [3] DE 10 2017 119 445A1

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] EN 10 2020 130 052 A1
• [2] DE 72 24 769 U
• [3] EN 10 2017 119 445A1

The invention has for its object to provide functionally improved frame fastening hooks and improved handling thereof.

To solve this problem, 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.

Advantageous embodiments are the subject of the subclaims.

According to a first aspect, the invention relates to a frame fastening hook for mounting on the back of a frame in order to hang it on a wall fastening screw on the wall side that is inserted into a door jamb during foam-free mounting. 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 also 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.

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.

In some embodiments, the first fastening tab is arranged on a first side of the hanging area, and the second fastening tab is arranged on a second side of the hanging area opposite the first side. In particular, in some embodiments, the fastening areas extend away from the hanging area in a direction transverse to the extent of the elongated opening.

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.

In particular, during normal use, the elongated opening is aligned in the height direction of the frame.

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.

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

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

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

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

In some embodiments, each fastening tab is provided with such a In some embodiments, each fastening tab has at least one removable pin extending into the respective elongated hole as a limiting means.

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.

In some embodiments, a pair of pins extend into the slot from opposite sides.

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

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

In some embodiments, it is provided that an additional 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.

In some embodiments, it is provided that the suspension area has an elongated opening for slidably engaging behind 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 straight 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.

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 the right.

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 aligned upwards or downwards respectively during use.

In some embodiments, which can only be used as left or right frame fastening hooks, the hanging area is U-shaped. In some embodiments, the hanging area is C-shaped.

In some embodiments, which can only be used as left or right frame fastening hooks, a second straight edge region of the elongated opening positioned closer to the second side is longer than the opposite first straight edge region. The insertion region can be formed at the end to be directed downwards - this can be designed to be open as an insertion region. In other, currently preferred embodiments, the insertion region is designed as a lateral insertion region on the first side between the first straight edge region and the end of the frame fastening hook to be directed downwards - which is preferably designed as a fastening tab.

In some embodiments, at least one of the straight edge regions, in particular a shorter and/or free 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 faces away from the frame and towards the reveal during normal use. 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 there is a groove, step or recess on the opposite side of the straight edge region for receiving the screw head of the wall fastener.

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 protrude longitudinally to the narrow end areas that are to be aligned upwards or downwards during use. Provided with a fastening tab extending away from the elongated opening.

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

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

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 hooked.

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.

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 fixing screws at predetermined locations in the reveal,

Fastening the frame fastening hooks to factory-made holes in the frame and

• • Verstellung in der Höhe durch das Rutschen der Wandbefestigungsschraube im Einhängebereich des Zargenbefestigungshakens;
• • Verstellung in der Leibungstiefe durch
  • ◯ das Einstellen der Zargenbefestigungseinrichtung oder
  • ◯ Einstellen des Anschlags oder
  • ◯ Entfernen des Begrenzungsmittels oder
  • ◯ Herausbrechens der Zapfen in den Langlöchern;
• • seitliche Verschiebung der Zarge durch die Veränderung der Einschraubtiefe der zugehörigen Wandbefestigungsschrauben.

Attaching the frame fastening hooks to the screw heads of the wall fastening screws, whereby a three-dimensional adjustment is carried out by

• • Height adjustment by sliding the wall fixing screw in the hooking area of the frame fixing hook;
• • Adjustment of the reveal depth by
  • ◯ adjusting the frame fastening device or
  • ◯ Adjusting the stop or
  • ◯ Removal of the limiting device or
  • ◯ Breaking out the tenons in the slots;
• • Lateral displacement of the frame by changing the screw-in depth of the corresponding wall fastening screws.

• • die genauen Bohrungen der Befestigungspunkte auf der Zargenrückseite;
• • die Länge der Zapfen, deren Abstand den Schraubendurchmesser entsprechen,
• • den Schraubenkopf der zargenseitigen Befestigungsschrauben, der in dem Langloch nur minimales Spiel hat.

It is preferred that an exact positioning of the frame fastening hooks on the back of the frame is carried out when fastening the frame fastening hooks by

• • the exact holes for the fastening points on the back of the frame;
• • the length of the pins, the distance between which corresponds to the screw diameter,
• • the screw head of the frame-side fastening screws, which has only minimal play in the slotted hole.

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

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

• - In einer Doppelausführung ist der Haken rechts-links verwendbar und in einer alternativen, einseitigen Ausführung im Materialeinsatz sparsamer
• - Die Montage der Zarge ist 3D-verstellbar
  • ◯ In der Höhe verstellbar, durch das Rutschen der Schraube im Haken
  • ◯ In der Leibungstiefe verstellbar, durch das Herausbrechen der Zapfen in den kleinen Langlöchern
  • ◯ Die seitliche Verschiebung erfolgt durch die Veränderung der Einschraubtiefe der zugehörigen Wandbefestigungsschrauben
• - Eine genaue Positionierung der Haken auf der Zargenrückseite lässt sich erreichen durch
  • ◯ die genauen Bohrungen der Befestigungspunkte auf der Zargenrückseite
  • ◯ die Zapfenlänge, deren Abstand dem Schraubendurchmesser von zargenseitigen Befestigungsmitteln, insbesondere Hakenbefestigungsschrauben, entsprechen
  • ◯ dem Schraubenkopf zargenseitiger Hakenbefestigungsschrauben, der in dem Langloch nur minimales Spiel hat
• - Stabilisierung der Haken in sich durch
  • ◯ mehrere, insbesondere acht, Schrägen an den Laschen
  • ◯ rückseitige gerundete Nut mit Anpassung an den Schraubenkopf der Wandbefestigungsschraube
• - Leichtes Einführen der Wandbefestigungsschraube durch die wenigstens eine oder beidseitige Schrägen an der Hakenöffnung - Einführbereich
• - Geringes Spiel in Haken für Schraubenkopf und Schraubenschaft der Wandbefestigungsschrauben
• - Kleine Bohrungen in den Laschen, um ein mögliches Verrutschen der Haken beim zweiten Festschrauben (nach dem Herausbrechen der Zapfen) zu verhindern (Zurück rutschen zum alten Befestigungspunkt)

Some designs of the hook have the following advantages:

• - In a double version, the hook can be used right-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
  • ◯ Adjustable in the reveal depth by breaking out the tenons in the small slots
  • ◯ The lateral displacement is achieved by changing the screw-in depth of the corresponding wall fixing screws
• - An exact positioning of the hooks on the back of the frame can be achieved by
  • ◯ the exact holes of the fastening points on the back of the frame
  • ◯ the tenon length, the distance between which corresponds to the screw diameter of frame-side fastening elements, in particular hook fastening screws
  • ◯ the screw head of the hook fastening screws on the frame side, which has only minimal play in the slotted hole
• - Stabilization of the hooks by
  • ◯ several, in particular eight, bevels on the tabs
  • ◯ rounded groove on the back with adaptation to the screw head of the wall fixing screw
• - Easy insertion of the wall fixing screw through at least one or both sides of the bevels on the hook opening - insertion area
• - Small play in hooks for screw head and screw shaft of the wall mounting 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 attachment point)

• - Der Haken hat eine rechte und linke Ausführung und benötigt daher weniger Material als eine doppelte Ausführung.
• - Die Schrauben sitzen - bei bestimmungsgemäßem Gebrauch - oben und unten am Haken; der Haken ist daher auch für schmalere Wände geeignet
• - Die Montage der Zarge ist 3D-verstellbar:
  • ◯ In der Höhe verstellbar, durch das Rutschen der Schraube im Haken
  • ◯ In der Leibungstiefe verstellbar, durch das Herausbrechen der Zapfen in den kleinen Langlöchern
  • ◯ Die seitliche Verschiebung erfolgt durch die Veränderung der Einschraubtiefe der zugehörigen Wandbefestigungsschrauben
• - Eine genaue Positionierung der Haken auf der Zargenrückseite lässt sich erreichen durch:
  • ◯ die genauen Bohrungen der Befestigungspunkte auf der Zargenrückseite
  • ◯ die Zapfenlänge, deren Abstand dem Schraubendurchmesser von zargenseitigen Befestigungsmitteln, insbesondere Hakenbefestigungsschrauben, entsprechen
  • ◯ dem Schraubenkopf der Hakenbefestigungsschrauben, der in dem Langloch nur minimales Spiel hat
• - Stabilisierung der Haken in sich durch:
  • ◯ Schrägen an den Laschen
  • ◯ rückseitige gerundete Nut mit Anpassung an den Schraubenkopf der Wandbefestigungsschraube
• - Leichtes Einführen der Wandbefestigungsschraube durch die wenigstens eine oder beidseitige Schrägen an der Hakenöffnung - Einführbereich
• - Geringes Spiel in Haken für Schraubenkopf und Schraubenschaft der Wandbefestigungsschrauben

Some other designs of the hook have the following advantages:

• - The hook has a right and left version and therefore requires less material than a double version.
• - When used as intended, the screws are located at the top and bottom of the hook; the hook is therefore also suitable for narrower walls
• - The frame assembly is 3D adjustable:
  • ◯ Height adjustable by sliding the screw in the hook
  • ◯ Adjustable in the reveal depth by breaking out the tenons in the small slots
  • ◯ The lateral displacement is achieved by changing the screw-in depth of the corresponding wall fixing screws
• - Precise positioning of the hooks on the back of the frame can be achieved by:
  • ◯ the exact holes of the fastening points on the back of the frame
  • ◯ the tenon length, the distance between which corresponds to the screw diameter of frame-side fastening elements, in particular hook fastening screws
  • ◯ the screw head of the hook fastening screws, which has only minimal play in the slot
• - Stabilization of the hooks by:
  • ◯ Bevels on the tabs
  • ◯ rounded groove on the back with adaptation to the screw head of the wall fixing screw
• - Easy insertion of the wall fixing screw through at least one or both sides of the bevels on the hook opening - insertion area
• - Small play in hooks for screw head and screw shaft of the wall mounting screws

• 1 eine perspektivische Ansicht einer ersten Ausführungsform eines Zargenbefestigungshakens von oben und von einer ersten Seite aus gesehen;
• 2 eine weitere perspektivische Ansicht der ersten Ausführungsform des Zargenbefestigungshakens von einer zweiten Seite und von oben gesehen;
• 3 eine Unteransicht der ersten Ausführungsform des Zargenbefestigungshakens mit Blick auf die einer bei Gebrauch an einer Rückseite einer Zarge anliegenden Unterseite des Zargenbefestigungshakens gemäß der ersten Ausführungsform;
• 4 eine teils transparente Draufsicht auf den Zargenbefestigungshaken gemäß der ersten Ausführungsform;
• 5 eine Ansicht wie in 4 des Zargenbefestigungshakens gemäß einer zweiten Ausführungsform;
• 6 eine Ansicht wie in 4 des Zargenbefestigungshakens gemäß einer dritten Ausführungsform in einer Variante zur Verwendung an einem linken Zargenholm;
• 7 einen Schnitt durch den Zargenbefestigungshaken der dritten Ausführungsform entlang der Linie B-B von 6;
• 8 eine Ansicht auf den Zargenbefestigungshaken der dritten Ausführungsforme von links in 6 gesehen;
• 9 eine perspektivische Ansicht des Zargenbefestigungshakens gemäß der dritten Ausführungsform;
• 10 eine Draufsicht auf den Zargenbefestigungshaken der dritten Ausführungsform in einer Variante zur Verwendung an einem rechten Zargenholm; und
• 11 und 12 unterschiedliche perspektivische Ansichten des Zargenbefestigungshakens von 10.

Examples of embodiments are explained in more detail below using the attached drawings. They show:

• 1 a perspective view of a first embodiment of a frame fastening hook seen from above and from a first side;
• 2 a further perspective view of the first embodiment of the frame fastening hook seen from a second side and from above;
• 3 a bottom view of the first embodiment of the frame fastening hook, looking at the underside of the frame fastening hook according to the first embodiment which, during use, rests against a rear side of a frame;
• 4 a partially transparent plan view of the frame fastening hook according to the first embodiment;
• 5 a view like in 4 the frame fastening hook according to a second embodiment;
• 6 a view like in 4 the frame fastening hook according to a third embodiment in a variant for use on a left frame beam;
• 7 a section through the frame fastening hook of the third embodiment along the line BB of 6 ;
• 8 a view of the frame fastening hook of the third embodiment from the left in 6 seen;
• 9 a perspective view of the frame fastening hook according to the third embodiment;
• 10 a plan view of the frame fastening hook of the third embodiment in a variant for use on a right frame beam; and
• 11 and 12 different perspective views of the frame fastening hook from 10 .

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]. 1 to 4 show a first embodiment of a double design in which the frame fastening hook 10 can be used right-left and the 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 materials, with different, mirror-image variants being provided for use on a left or right frame beam.

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

The frame fastening hook 10 has a suspension area 12 for hanging a screw head of the wall fastening screw. The suspension area 12 has an elongated opening 14 for slidably engaging behind the screw head of the wall fastening screw.

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 designed to enable fastening in a direction transverse to the extension of the elongated opening 14 of the hanging area 12 in a selectable relative position of the frame and fastening hook, in order to thus offer additional adjustability of the position of the frame in addition to the ability to move the frame by moving the wall fastening screw in the elongated opening 14 of the hanging area 12. For this purpose, the frame fastening device 16 is adjustable in order to set the position in the direction transverse to the extension of the elongated opening 14 of the hanging 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.

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.

In the 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.

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 height direction (vertically) in normal use in order to hang the frame with the frame fastening hook 10.

In some embodiments, examples of which are set forth in the 6 to 12 As shown, the first fastening tab 20.1 extends further upwards from a first end of the suspension area 12, which in normal use is directed upwards 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 directed upwards or downwards respectively in normal use.

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

The adjustability of the position on the frame fastening device 16 can be designed in different ways. In some embodiments, it is provided that the frame fastening device 16 has at least one elongated hole 24 with a removable limiting means 26 for limiting the displacement of a frame fastening means reaching through the elongated hole 24 - in particular a screw screwed into the frame - in the elongated hole 24. In the In the embodiments shown, the at least one elongated hole 24 extends transversely to the direction of extension of the elongated opening 14 of the hanging area. In the intended use, the at least one elongated hole 24 is arranged in particular horizontally, in the depth direction of the reveal.

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

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 can be broken out. 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.

In some embodiments, a further fastening area, in particular an opening or bore 34 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.

In the embodiments shown, it is provided that the hanging area 12 has the elongated opening 14 for the slidable, engaging reception of the screw head of the wall fastening screw. The elongated opening 14 has an insertion area 38 opening towards the first side 18 for inserting the screw head into the hanging 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, essentially parallel, straight edge areas 44.1, 44.2. A first straight edge area 44.1 delimits the elongated opening 14 towards the first side, and a second straight edge area 44.2 delimits the elongated opening 14 towards the second side.

In the 1 to 4 In 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. In the 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 6 to 12 As shown, the shorter first straight edge region 44.1, which delimits the insertion region 38, has a reinforcing rib 58.

The opening edge 42 is spaced apart from a support surface 52 for support on the frame, in particular 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 the design of the groove 48 and thus the extent of the spacing is 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.

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.

In the 5 In the embodiment shown, the frame fastening hook 10 is designed 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 5 The round end of the elongated opening shown on the left is mounted upwards on the back of the frame at the factory-prepared holes that specify the position, and 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, then the frame is moved downwards so that the screw head is gripped by the edge areas 44.1, 44.2 on both sides and the frame is thus hung on the wall fastening screw. Different versions of this frame fastening hook 10, designed as a mirror image of each other, are to be used on the two longitudinal beams of the frame.

In the 6 to 12 The embodiment shown is one in the 6 to 9 shown variant for use on the left frame beam and a mirror image of this, in the 10 to 12 The variant shown is intended for use on the right frame beam. The respective frame fastening hook 10 is attached to the 6 or 10 each end shown on the left facing upwards on the outside (ie rear) of the left or right frame beam of the frame at the factory prefabricated holes that determine 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 hit the second straight edge area 44.2. The frame is then moved downwards so that the screw head is gripped by the edge areas 44.1, 44.2 on both sides and the frame is thus hung on the wall fastening screw.

In the in the 1 to 4 In 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 4 ) the fastening lugs 20.1, 20.2 are provided, as in the third version according to 6 to 12 . Unlike the execution according to the 5 to 12 is in the double version, an example of which is shown in 1 to 4 shown, at least the hanging 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 hanging takes place analogously to the above described for the simple design on the half of the frame fastening hook 10 which is directed upwards. In the illustrated embodiments of the double design, the entire frame fastening hook 10 is mirror-symmetrical to the central plane 54 with the exception of the bore 34 for auxiliary fastening when the limiting means 26 are removed.

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°, they can be rotated by a direction perpendicular to the plane of the drawing. 3 and 4 lie at the same point along the central axis running through the center of the fastening hook 10. In other words, they are point-symmetrical or axially symmetrical to this central axis.

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.

In some embodiments, the groove 48, which is provided on the side of the suspension area 12 facing the frame for receiving the screw head, is rounded. This also contributes to the stiffening of the frame fastening hook 10.

For foam-free assembly of the frame, a set is then used which has several frame fastening hooks 10 according to one of the above designs and wall fastening screws for screwing in with a defined screw head position in the reveal on which the frame fastening hooks 10 are to be hung. Designs also relate to a suitably 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 literature reference [1].

• • Verstellung in der Höhe durch das Rutschen der Wandbefestigungsschraube im Einhängebereich 12 des Zargenbefestigungshakens 10;
• • Verstellung in der Leibungstiefe durch das Entfernen des Begrenzungsmittels 26, insbesondere durch Herausbrechen der Zapfen 28 in den Langlöchern; und
• • seitliche Verschiebung der Zarge durch die Veränderung der Einschraubtiefe der zugehörigen Wandbefestigungsschrauben.

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

• • Adjustment in height by sliding the wall fastening screw in the hanging 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 slots; and
• • Lateral displacement of the frame by changing the screw-in depth of the corresponding wall fastening screws.

• • die genauen Bohrungen der Befestigungspunkte auf der Zargenrückseite;
• • die Zapfenlänge, deren Abstand den Schraubendurchmesser entsprechen
• • den Schraubenkopf der Zargenbefestigungsschrauben, der in dem Langloch nur minimales Spiel hat.

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 exact holes for the fastening points on the back of the frame;
• • the pin 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.

Preferred embodiments of the invention relate to a frame fastening hook (10) which can be fastened to the back of a frame in order to hang the frame on a wall fastening screw inserted into a door jamb during foam-free installation. The frame fastening hook (10) accordingly has a hanging area (12) for hanging a screw head of the wall fastening screw. The hanging area (12) has an elongated opening (14) for the sliding, engaging reception of the screw head of the wall fastening screw. In order to improve the functionality of the frame fastening hook, in particular to be able to mount the frame in a better position, it is proposed that the frame fastening hook (10) further comprises a frame fastening device (16) for fastening the frame fastening hook (10) to the frame, which is adjustable in order to set 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 that can be removed from an elongated hole (24).

List of reference symbols:

10

Frame fastening hooks

12

Hanging area

14

elongated opening

16

Frame fastening device

18

first page

20.1

first fastening tab

20.2

first fastening tab

20.3

first fastening tab

20.4

first fastening tab

22

second page

24

Long hole

26

Limiting agents

28

cone

30

narrow end

34

Drilling

38

Introduction area

40

Screw head receiving area

42

Opening border

44.1

first straight edge area

44.2

second straight edge area

46

Insertion bevel

48

Groove

50

bottom

52

Support surface

54

Middle level

56

Reinforcing rib (of the fastening tab)

58

Reinforcing rib (of the edge area)

60

Narrow end area

QUOTES INCLUDED IN THE DESCRIPTION

This list of documents listed by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA accepts no liability for any errors or omissions.

Cited patent literature

• DE 102020130052 A1 [0002]
• DE 7224769 U [0002]
• DE 102017119445 A1 [0002]

Claims (14)

Frame fastening hook (10) for mounting on the back of a frame in order to hang it on a wall-side wall fastening screw introduced into a door reveal during foam-free mounting, wherein the frame fastening hook (10) has a hanging area (12) for hanging a screw head of the wall fastening screw, wherein the hanging area (12) has an elongated opening (14) for slidably engaging behind the screw head of the wall fastening screw, and wherein the frame fastening hook (10) further has a frame fastening device (16) for fastening the frame fastening hook (10) to the frame, which is adjustable in order to set the position at which the frame fastening hook (10) is fastened to the frame in a direction transverse to the extension of the elongated opening (14). Frame fastening hooks (10) according to Claim 1 , characterized in that the frame fastening device (16) has a first fastening tab (20.2) and a second fastening tab (20.2) for fastening the frame fastening hook (10) to the frame, wherein preferably 2.1 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) of the hanging area (12) opposite the first side (18) or 2.2 wherein the first and second fastening tabs (20.1, 20.2) extend on opposite ends in the direction longitudinal to the elongated opening away from the hanging area and/or form narrow end regions of the frame fastening hook. Frame fastening hook (10) according to one of the preceding claims, characterized in that 3.1 the frame fastening device (16) has a positionally adjustable stop for striking against a frame fastening means; and/or 3.2 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 which extends through the elongated hole (24) in the elongated hole (24). Frame fastening hooks (10) according to Claim 2 and 3 , characterized in that each fastening tab (20.2-20.4) has an elongated hole (24) and, as limiting means (26), at least one removable pin (28) projecting into the elongated hole (24). Frame fastening hooks (10) according to Claim 4 , characterized by at least one or more of the following features: 5.1 that the at least one pin (28) projects from a narrow end (30) of the elongated hole (24) into the elongated hole (24); 5.2 that a pair of pins (28) projects from opposite sides into the elongated hole (28); 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. Frame fastening hook (10) according to one of the Claims 3 until 5 , characterized in that a further fastening area or an opening or bore (34) smaller than the elongated hole is provided for securing the position of the frame fastening hook (10) on the frame when the limiting means (26) is removed. Frame fastening hook (10) according to one of the preceding claims, characterized in that the suspension area (12) has an elongated opening (14) for the slidable, engaging reception of the screw head of the wall fastening screw, wherein the elongated opening (14) has an insertion area (38) opening towards the first side (18) for inserting the screw head into the suspension area (12) and an elongated screw head receiving area (40) with an opening edge (42) with two opposite, substantially parallel, straight edge areas (44.1, 44.2), wherein the opening edge (42) is spaced from a support surface (52) of the frame fastening device (16), which is intended to rest on the frame, in order to engage behind the screw head. Frame fastening hooks (10) according to Claim 2 or after one of the Claims 3 until 7 , as far as Claim 2 referred back, 8.1 formed with a first (20.1) and second (20.2) fastening tab, wherein the suspension area (12) is U-shaped, wherein a second straight edge area (44.2) of the elongated opening (14) positioned closer to the second side (22) is longer than the opposite first straight edge area (44.1); or 8.2 formed with a first to fourth fastening tab (20.1-20.4), wherein at least the suspension area (12) or the entire frame fastening hook (10) is formed symmetrically to a center plane (54) which runs perpendicular to the longitudinal direction of the elongated opening (14); or 8.3 designed only with a first and a second fastening tab (20.1, 20.2) which adjoin the suspension region (12) on both sides in the direction of extension of the elongated opening (14), wherein a second rectilinear edge region (44.2) of the elongated opening (14) positioned closer to the second side (22) is longer than the opposite first rectilinear edge region (44.1) and wherein a lateral insertion region (38) for inserting the wall fastening screw into the elongated opening (14) is formed between the first rectilinear edge region (44.1) and the second fastening tab (20.2). Frame fastening hook (10) according to one of the preceding claims, characterized in that each fastening tab (20.1-20.4) is connected to the suspension area (12) by means of several bevelled reinforcing ribs (56). Frame fastening hook (10) according to one of the preceding claims, characterized in that a preferably rounded groove (48) for receiving the screw head is provided on the side of the suspension area (12) facing the frame. Set for foam-free assembly of a frame, comprising several frame fastening hooks (10) according to one of the preceding claims and wall fastening screws for screwing in with a defined screw head position in the reveal on which the frame fastening hooks (10) are to be hooked. Frame, in particular made of wood materials, comprising a set according to Claim 11 and/or several frame fastening hooks (10) according to one of the Claims 1 until 10 . Assembly procedure for assembling a frame according to Claim 12 and/or a frame by means of fastening hooks according to one of the Claims 1 until 10 or by means of a set according to Claim 11 , comprising screwing in the wall fastening screws at predetermined points 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 is carried out by • adjustment in height by sliding the wall fastening screw in the hanging area (12) of the frame fastening hook (10); • adjustment in the reveal depth by o adjusting the frame fastening device (16) or o adjusting the stop or o removing the limiting means (26) or o breaking out the pins (28) in the elongated holes; • lateral displacement of the frame by changing the screw-in depth of the associated wall fastening screws. Assembly procedure according to Claim 13 , characterized in that an exact positioning of the frame fastening hooks (10) on the rear of the frame when fastening the frame fastening hooks (10) is achieved by • the precise drilling of the fastening points on the rear of the frame; • the length of the pins (28), the distance between which corresponds to the screw diameter • the screw head of the frame-side fastening screws, which has only minimal play in the elongated hole.

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