EP3521539B1 - Window with drive groove - Google Patents

Description

The invention relates to a window with a gear groove with the features of the preamble of claim 1.

Such windows are known in various shapes, profile types and materials. In addition to the side hinges and / or scissor hinges on the top, which enable the storage of a turn and / or tilt and turn sash in the frame, gear means are provided to lock the movable sash firmly to the frame or to lock it in a defined manner when opening to stick to it. A parallel positioning of the window sash from the frame is also possible. For this purpose, the window sash profiles nowadays all have a gear groove over their length, which is standardized with regard to its cross-sectional dimensions and is therefore referred to as a "Euro groove". Standardization means that hardware components from different hardware manufacturers can be freely combined with the sash profiles from different profile manufacturers. In order to achieve a multi-point locking for reasons of tightness and security, several locking elements are coupled to one another via sliding elements. These are push rods which extend along the outer sides of the window sash and which are connected to one another at the corners via flexible link elements. The push rods can be moved axially along the circumference of the wing via a gear unit, the gear unit usually having one Handle containing the so-called window handle, which the user can use to open or close the window.

However, this manual drive principle for windows, which has been tried and tested for decades, cannot meet the increasing demand for automation in buildings. The reason is in particular that a large installation space is required for an electrical drive on the wing, so that the cross-sectional area of the wing profile must have a corresponding minimum size, in particular a minimum height. In addition, electrical cables must be transferred from the frame to the sash, which is visually disruptive in the open version and is difficult to produce in the concealed version.

Another disadvantage of known windows is that, for design reasons, the frame and sash profiles should increasingly fade into the background and an ever smaller face width is required in order to enlarge the glazed area within a wall opening. In order to enable the integration of the gear slot and the concealed mounting of a gear unit, a certain minimum profile height is required between the outer rebate and the glass rebate, which cannot be reduced.

The US 2006/0137254 A1 shows a window in which a push rod is arranged on the frame and a bolt receiving element on the sash. However, the wing opens outwards, which is not practiced in most European countries. The groove for guiding the thrust element protrudes over the rebate surface and requires installation space in the so-called rebate space between the frame and sash. A lever mechanism also engages in the clearance and is not covered in the frame. Therefore, this window construction cannot be changed to an inward-opening window.

A window according to the preamble of claim 1 is in the document FR 3 035 672 disclosed.

The object of the invention is therefore to create the prerequisites for a window which will meet future requirements in terms of design and technology and which avoids the disadvantages mentioned above. The solution provided according to the invention to overcome all the disadvantages mentioned of conventional window systems that open to the inside of the building is to shift the drive of the window to the side of the window frame and to place the locking plates or other bolt receiving elements on the rebate surface on the outer circumference of the window sash .

The term "window" includes doors that are designed as floor-to-ceiling windows, which allow passage due to their size.

According to the invention, the standardized gear groove otherwise provided on the window sash is now formed on the window frame, so that the existing fitting systems can basically continue to be used and only slightly longer push rods are required in the window frame than would otherwise be the case with a drive on the window wing.

According to the invention, the profile height of the frame profiles does not have to be increased. Only the steel reinforcement profiles, which were previously usually provided as square or rectangular tubes, have to be adapted so that they enclose the gear slot protruding into the profile cross-section.

The gear unit can also be easily integrated into the frame. If a motorized drive is provided for this, it can be inserted into an adjacent recess in the wall reveal. The cabling can be carried out much more simply and also much more easily in a concealed manner due to the arrangement of the drive according to the invention on the window frame side, compared to drives which are integrated into the sash according to the prior art. In any case, it is a gear that brings about a rotary movement of a drive axis into an advance or retraction movement of the thrust element coupled to it.

According to the invention, both a motorized and a manual drive of the gear unit are possible. When using a motor, manual emergency actuation can still be carried out using a plug-in handle or socket wrench, for which purpose the drive shaft is preferably through a hole in the frame is accessible. The hole can be closed with a cap during normal operation. In the case of the optional, alternative manual actuation of the window functions with an operating element, in the sense of a window handle, the closure cap 36 is removed and an operating manual key is attached. All functional positions of the window can be set by hand and the socket wrench can be removed. The movement of the wing is not hindered. The insertion points provided with a closure cap can be located on the vertical as well as on the horizontal frame. A pull handle on the inner vertical window sash can be used to support the sash movement into the desired position.

Furthermore, the window according to the invention is particularly suitable for applications in which the user should not open the window at all. Reasons for this can be fall protection in high-rise buildings, burglar resistance, noise reduction or energy efficiency. In these cases, the window has the advantage of an enlarged glass surface due to the reduced sash profile height, with the exceptional manual opening of the window by authorized personnel being possible at any time.

• Automatische, motorisch angetriebene Ver- und Entriegelung mit manueller Notbetätigung;
• Manuelle Betätigung über Fensterolive;
• Manuelle Notbetätigung über Steckschlüssel.

As a result, the window is suitable for the following uses:

• Automatic, motor-driven locking and unlocking with manual emergency actuation;
• Manual operation via window handle;
• Manual emergency actuation via socket wrench.

In the case of manual operation, according to the invention, the window handle can still be operated in the two 90 ° steps that are common with turn / tilt fittings. In the 180 ° open position for the rotary sash, as in the closed position, the handle is in any case parallel to the longitudinal extension of the frame section and also below the rollover on the window sash, so that it does not hinder the movement of the sash. Modern hardware systems, which, in addition to the turn and tilt opening, enable the sash to be placed parallel to the frame, can also be used.

The particular advantage of the invention arises from the fact that the profile height of the window sash according to the invention can be greatly reduced, which on the one hand is visually appealing and on the other hand ensures that the window sash does not even in the tilted position through the window handle protruding at right angles into the center of the window is hindered. An obstruction would first occur between the top of the glazing bead and the window handle. However, since according to the invention the profile height on the wing is very low, the distance between the upper edge of the glazing bead and the pivot point of the wing is correspondingly small. Accordingly, the upper edge moves significantly less from the plane of the visible surface of the window frame on the inside of the building than in the prior art.

Fig. 1

einen montierten Blendrahmen;

Fig. 2

ein Blendrahmenprofil;

Fig. 3

einen montierten Fensterflügel;

Fig. 4

ein Fensterflügelprofil;

Fig. 5

ein Fenster in Schließstellung;

Fig. 6

ein Fenster mit Steckschlüssel; und

Fig. 7a, 7b

je ein Fenster mit Fenstergriff in zwei verschiedenen Öffnungsarten.

The invention is explained in more detail below with reference to the exemplary embodiment shown in the drawings. The figures show in section:

Fig. 1

an assembled frame;

Fig. 2

a frame profile;

Fig. 3

a mounted window sash;

Fig. 4

a sash profile;

Fig. 5

a window in the closed position;

Fig. 6

a window with a socket wrench; and

Figures 7a, 7b

One window each with a window handle in two different opening types.

Figure 1 shows a window frame 10 which is made from a window frame profile 11 designed as a plastic hollow profile. A stop web 11.1 is formed on the outside, against which the window sash later rests. At the top a rebate surface 11.4 is provided, from which a profile web 11.8, which forms a gear groove 12, extends into an inner cavity 13. In the cavity 13, a metallic reinforcement profile 41 is inserted, the profile legs of which the profile web 11.8 of the gear groove 12 laterally and surrounded below.

In the gear groove 12, a drive rod 32 is guided as a push element, on which several mushroom head locking elements 31 are attached at a distance from one another. A gear unit 33 can be seen in the background, the drive shaft 34 of which can be extended outward through an inner visible surface 11.3 of the window frame 10 and is closed with a closure cap 36 as long as the drive shaft 34 is not required.

The metallic reinforcement profile 41 has a U-shaped cross-sectional configuration, with a screw tab being additionally connected at a right angle to an upper edge of the left vertical leg. This is used to fix screws 43 from the rebate area 11.4. In addition, there is a screw connection with screws 44 from the outer circumference in order to create a solid bond from the blind frame hollow profile and the reinforcement profile.

As in particular the representation of the frame profile 11 in Figure 2 shows, at the transition between the rebate area 11.4 and the stop web 11.1, a groove 11.7 deepened in relation to the plane of the rebate area 11.4 is formed. In the interior of the hollow profile 11, a sloping profile web 11.5 is formed, which extends into an inner chamber 11.6. A flow path for drainage is created by a bore from the channel 11.7 at 45 °, which extends over the profile web 11.5 into the chamber 11.6. The chamber 11.6 is opened through a second bore from the outer visible side 11.2 and a continuous flow path from the fold area 11.4 to the outside is created. Because two holes are necessary, these can be set axially offset to one another, so that the ingress of drafts via the drainage path is avoided because air flows are deflected several times and slowed down by the small cross section of the chamber 11.6.

Figure 3 shows the window sash 20 in section, which is formed by a sash profile 21. The height H1 between a glass rebate 21.4 and the upper edge of a stop web 21.1 corresponds approximately to the height in conventional wing profiles with a similar profile width. The same applies to the glazing bead 24 inserted in a glazing bead groove 23. Furthermore, the height of the overlap 21.3 with respect to a rebate surface 21.8 on the underside of the wing profile 21 is similar.

What differs in the window sash 20 according to the invention, however, is the complete elimination of a fitting or gear groove and the associated significant reduction in the profile height H2 between the two glass rebates 21.4 and the rebate surface 21.8. This means that the height H3 corresponding to the outer face width (see Fig. 5 ) can be less than half the profile width. Assuming, for example, a profile width of 82 mm for the window sash 10 and window sash 20, the face width, i.e. the width or height between the glass pane 40 and the part of the window sash 20 visible above the window sash 10, is only 26 mm and thus even less than a third of the profile width.

A reinforcement profile 42 has been inserted into a cavity 25 of the wing profile 21 for mechanical reinforcement. In order to achieve sufficient strength despite the reduced profile height, a vertical leg is formed on the reinforcement profile 42, which leg is formed from a triple fold so that four profile sections lie against one another there. These fill the entire cavity 25 in the area of the rollover 21.3 so that the reinforcement profile 42 can expand to the maximum in the vertical direction and a high vertical geometrical moment of inertia of the reinforcement profile 42 is made possible.

A bolt receiving element 35 is screwed onto the rebate surface 21.8. A guide groove 21.9 enables it to be easily positioned and aligned.

Internal drainage can also be produced very easily in the case of the window sash 20. For this purpose, a channel 21.7 is again formed between the glass rebate 21.4 and the stop web 21.1. This is followed by two parallel profile webs in the interior of the window sash profile 21, which form a narrow drainage channel 21.6 between them. This in turn leads to a draining surface 21.5, which is inclined and which is delimited on both sides by a drip nose; on the one hand to an outside visible surface 21.2 and on the other hand to the rebate surface 21.8.

At this point there is a particular advantage of the invention: by eliminating the gear groove on the wing profile 21, as already described, the profile height between the rebate surfaces 21.4, 21.8 can be reduced. As a result of the reduction in height, in turn, there is the possibility of drilling outwards at 45 ° from a drainage channel 21.7 located next to the glass rebate 21.4, as Figure 4 shows. This angle is important because it is much easier to produce than another, significantly steeper or significantly flatter angle. In addition, with the low profile height, the 45 ° bore does not hit the external visible surface 21.2 itself, but only the concealed draining surface 21.5 below. The fact that the hole is perpendicular to the sloping draining surface 21.5. meets, the resulting mouth hole is not oval, but round.

Figure 5 shows a section through a finished window 100 with a window frame 10, window sash 20 and glass pane 40 inserted therein. Shown is the closed position in which the window sash 20 rests with its outer visible surface 21.2 on a seal of the window frame 10 and with a seal 22 on its flap 21.3 the inner visible surface 11.3 of the window frame 10 contacted. A mushroom head 31 guided on the frame 10 engages in a bolt receiving element 35 on the outside of the window sash 20. In the Synopsis at the closed window 100 in Figure 5 the low viewing height H3 of the window sash 20 becomes clear.

Figure 6 shows the closed position of the window 100 once again, a socket wrench 50 with the usual proportions in terms of axial extension and a handle length protruding laterally from it being inserted into the drive shaft 34 of the gear unit 33. The socket wrench 50 is used for emergency actuation in the event of a malfunction of the electric drive and / or to carry out an opening that should not be possible for the normal user. The socket wrench 50 is now pivoted from the closed position or the open position for the rotary sash, where it extends parallel to the window frame 10, into a position rotated by 90 °, at right angles to the profile axis of the window frame 10. This is the position necessary for tilting the window sash 20 in all conventional window drives. Although, according to the invention, the window handle 50 is arranged stationary on the lower bolt of the window frame 10 and does not move with the tilted window sash 20, as is usual in the prior art, it nevertheless does not hinder the tilted position of the window sash 20: The dashed line in Figure 6 corresponds to the course of the inside visible side of the window sash profile 29 and the glazing bead 24 inserted there in a position tilted by 10 °. A glazing bead upper edge 24.1 naturally migrates perpendicular to the window level towards the inside of the building - in Figure 6 so to the right. However, because the profile height of the window sash 20 according to the invention is so low, the change in position of the upper edge of the glazing bead 24.1 is only slight and it does not hit the window handle 50. This can therefore be moved freely, even if this is only necessary from the tilt position after a previous incorrect operation. In addition, the usual opening angle for a tilted window 100 does not have to be reduced in any way with the invention.

• In Figur 7a ist der Fenstergriff 50' um die Achse 34 nach oben gedreht, wodurch eine Parallelabstellung des Fensterflügels 20 vom Blendrahmen 10 hervorgerufen wurde. Zwischen Fenstergriff 50' und Glasleiste 24 verbleibt ein genügend breiter Zwischenraum, um den Fenstergriff 50' fassen zu können.
• Figur 7b zeigt einen geöffneten Fensterflügel 20, der hier als Drehflügel funktioniert. Dazu ist in dem verwendeten Beschlagsystem der Fenstergriff 50' von der vertikalen Stellung gemäß Figur 7a in eine horizontale Stellung, die um 180° von der Schließstellung abweist, überführt worden.

The Figures 7a and 7b each show frame 10 and window sash 20 in two different opening types. They are over a manually operated Fitting system coupled to one another, which can be operated manually via a window handle 50 '.

• In Figure 7a the window handle 50 'is rotated upwards about the axis 34, whereby a parallel positioning of the window sash 20 from the frame 10 was caused. A sufficiently wide space remains between the window handle 50 'and the glass strip 24 to be able to grasp the window handle 50'.
• Figure 7b shows an open window sash 20, which here functions as a rotary sash. For this purpose, in the fitting system used, the window handle 50 'is from the vertical position according to FIG Figure 7a has been transferred into a horizontal position which points away from the closed position by 180 °.

Claims (11)

1. Window (100) having a hardware groove (12), at least comprising:

   - an outer frame (10), to be connected to a building part, having a stop web (11.1) facing a building exterior and a window casement (20) connected movably thereto, said window casement (20) being openable towards a building interior and with a lip (21.3) being intended to be placed in a sealing manner against an inner visible face (11.3) of the outer frame (10);

   - a hardware unit (33), via which at least one bolt element (31) is movable by means of a pushing element (32) and is intended to be engaged with at least one bolt receiving element (35) attached fixedly to a rebate face, wherein the pushing element (32) is mounted in a hardware groove (12) formed in a recessed manner with respect to a rebate face (11.4), wherein

   - the hardware unit (33) and the pushing element (32) are arranged with the bolt element (31) in the outer frame (10), wherein the hardware groove (12) is formed in a rebate face (11.4) on the inner periphery of the outer frame (10), and wherein

   - the bolt receiving element (35) is arranged on a rebate face (21.4) on the outer periphery of the window casement (20),
   characterized in that
   the window casement (20) is made from a plastics hollow profile (21), wherein the cross section of the window casement (20) does not have a hardware groove (12), and at least one metal reinforcing profile (42) has been inserted into a cavity (25) that extends into a rebate lip (21.3).
2. Window (100) according to Claim 1, characterized in that the outer frame (10) is made from a plastics hollow profile (11), and in that a profile portion (11.8) forming the hardware groove (12) projects into a hollow chamber (13).
3. Window (100) according to Claim 2, characterized in that a metal reinforcing profile (41) has been inserted into the hollow chamber (13), wherein, in cross section, the reinforcing profile (41) accommodates the profile web (11.8) within itself.
4. Window (100) according to Claim 3, characterized in that the metal reinforcing profile (41) has a U-shaped cross-sectional configuration, wherein a screw-connection tab (41.1) is attached at right angles to an upper edge of a vertical leg.
5. Window (100) according to Claim 4, characterized in that the screw-connection tab (41.1) is screwed multiple times to the rebate face (11.4) of the outer frame (10).
6. Window (100) according to one of the preceding claims, characterized in that the outer view height (H3) of the window casement (20) is less than half the profile cross-sectional width of the window casement (20).
7. Window (100) according to one of the preceding claims, characterized in that the reinforcing profile (42) has at least one vertical portion folded multiple times over itself, which is received in the part of the cavity (25) within the rebate lip (21.3) .
8. Window (100) according to one of the preceding claims, characterized in that a guide slot (21.9) for a bolt receiving element (35) is formed in the rebate face (21.4) of the window casement (20).
9. Window (100) according to one of the preceding claims, characterized in that, with the window closed, the lip (21.3) of the window casement (20) does not overlap an axis (34), emerging on the inner visible face (11.3) of the outer frame (10), of the hardware unit (33).
10. Window (100) according to one of the preceding claims, characterized in that a drip surface (21.5) oriented at an angle to a vertical is formed on the casement profile (21) of the window casement (20) at the transition between an outer visible face (21.2) and a glass rebate (21.4).
11. Window (100) according to Claim 10, characterized in that a channel (21.7) recessed with respect to the plane of the glass rebate (21.4) is formed between the glass rebate (21.4) and the stop web (21.1), and in that a drip surface (21.5) oriented at an angle to a vertical is formed beneath the outer visible face (21.2), wherein at least one profile web oriented at an angle to a vertical extends between the channel (21.7) and the drip surface (21.5) in the interior of the casement profile (21).

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