EP3175068B1 - Fitting arrangement - Google Patents

Description

The present invention relates to a fitting arrangement for a window, a door or the like with a scissor fitting, comprising a scissor arm and a scissor arm articulated to the scissor arm, the scissor arm being pivoted at a first coupling point to a faceplate assigned to the sash of the window or door by a Axis of rotation is rotatably mounted.

Fitting arrangements of this type form a so-called turn/tilt fitting, with which the sash is not only rotatably mounted on the hinge side of a window frame, but also allows the sash to be tilted open. The scissor fitting provided for this purpose usually couples the sash to the window frame, in particular on its upper side, and improves the stability of the bearing of the sash on the window frame when the sash is opened by turning, by protecting the sash in particular against vertically downward tensile forces acting on the sash due to gravity supports. At the same time, it also allows the sash to be tilted open, with the scissor fittings limiting the extent to which the sash can be tilted and coupling the tilted sash to the frame on the side opposite the tilt axis and thus tilting away from the frame.

The scissors fitting comprises a scissors arm and a scissors link, which are connected to one another in an articulated manner in order to be able to spread out in the manner of a scissors mechanism. The scissor arm is generally elongate and is pivotably coupled at a second coupling point via a hinge bracket to a scissor-arm assembly provided on the window frame. With the other end, the scissor arm is usually coupled to the wing, but not rigid, but in a slot or a groove on the wing or on the faceplate, so that the coupled end can be guided between different positions. The coupling point between the scissor arm and the scissor link usually comprises a fixed articulation point spaced apart from the ends of the scissor arm, and the scissor link is in turn coupled in a stationary manner to the wing at the first coupling point mentioned. In this way, the side of the sash on which the scissor fitting is arranged can be tilted away from the frame, since the scissor arm and the scissor link, which are aligned parallel to one another when the sash is closed, can shear open when the sash is tilted open.

Fitting arrangements with the features mentioned are, for example, in DE 11 94 732 B and DE 201 19 817 U1 disclosed.

When mounting the sash on the frame, it is important that the effective length of the scissor fitting, ie the distance between the first coupling point at which the scissor link is coupled to the sash and at which the sash is held by the scissor fitting, and that The point on the window frame where the scissor-stay arm is coupled to the scissor-stay bearing via the hinge bracket is set correctly. As described above, the effective length can be determined by the distance between the first coupling point, if this is arranged at a fixed point on the faceplate, as is usual with the known scissor fittings, and that point on the window frame at which the scissor arm connects to the scissor arm via the hinge bracket is coupled can be determined. In principle, the effective length can be determined by the distance between another fixed point on the faceplate and that point on the window frame where the scissor arm is coupled to the scissor arm bearing via the hinge bracket, or another fixed point on the scissor arm that is closer to the scissor arm bearing than the fixed point of the faceplate is to be defined. If the effective length of the scissor fitting is too long, this means that the underside of the sash remote from the hinge runs up or rubs against a lower section of the window frame when it is closed from the rotationally opened state.

Proceeding from this problem, it is the object of the present invention to provide a scissor fitting that in a simple manner prevents window sashes or door sashes from rubbing against or rubbing against the lower section of the window frame.

The object is achieved by a fitting arrangement with the features of claim 1.

Since the first coupling point relative to the faceplate can be displaced in a direction transverse to the axis of rotation and is therefore not a fixed point on the faceplate, the effective length - in comparison to known scissor fittings in which the first coupling point is at a fixed point on the faceplate - cannot be determined here from the distance between the first coupling point and that point on the window frame at which the scissor-stay arm is coupled to the scissor-stay bearing via the hinge bracket. Instead, the effective length of the scissor fitting according to the invention can be determined by the distance between a fixed point on the faceplate, for example the end of the faceplate remote from the hinge, and that point on the window frame at which the scissor arm is coupled to the scissor stay bearing via the hinge bracket or another fixed point of the scissor arm which is closer to the scissor stay bearing than the fixed point of the faceplate can be determined.

The shortening of the effective length thus denotes a decrease in the distance between a fixed point of the faceplate and that point at the

Window frame on which the scissor arm is coupled to the scissor arm bearing via the hinge angle, or another fixed point of the scissor arm which is closer to the scissor arm bearing than the fixed point of the faceplate. Ultimately, the faceplate moves relative to the scissor arm and in the direction of a second coupling point due to the tilting closure of the sash and the resulting shortening of the effective length. In comparison to a fitting arrangement known from the prior art without a displaceable first coupling point, i.e. with a purely rotary first coupling point arranged at a fixed point on the faceplate, with the same effective length when the sash is tilted, the faceplate of the fitting arrangement according to the invention is located thus closer to the second coupling point when the sash is closed.

An advantage of the present invention is that when the window or door is closed from a tilted position, the effective length of the scissor fitting is automatically shortened and thus the side of the wing remote from the hinge is raised when the wing is opened or closed so that it does not runs up or rubs against the lower section of the window frame. In the tilted state, however, the side of the sash that is remote from the hinge can rest on the window frame, which reduces the mechanical stress on the fitting arrangement, and in particular on the shear bearing, in the tilted state.

Advantageous embodiments of the invention can be found in the dependent claims, the description and the drawings.

According to the invention, the scissor arm can be coupled at a second coupling point to a scissor bearing which can be fastened to the window frame of the wing, in order to rotatably support the wing on the window frame. This has the advantage that you can open the window or window sash in the usual way.

According to the invention, the scissor link has an end designed as a connecting link, in particular a rounded and/or asymmetrical end, which interacts with the stop. Such an end designed as a connecting link can come into contact with the stop when the window is closed from the tilted position and the resulting pivoting movement of the scissor arm in order to move the scissor arm in a direction transverse to the axis of rotation of the first coupling point and in particular essentially along the faceplate. In other words, the stop and thus also the faceplate can be displaced relative to the scissor arm in the direction of the side close to the hinge, on which the scissor-stay bearing is arranged, by means of the connecting link. The effective length of the scissors fitting is thus shortened in a particularly simple manner.

According to the invention, the scissor arm is pivotably and laterally displaceably connected to the faceplate via a third coupling point. This enables stable positioning of the sash during tilt opening and enables the scissor fitting to be opened and closed when the sash is tilted.

The stop can preferably be arranged offset to the central axis of the faceplate. The stop is advantageously arranged offset to the central axis in such a way that, when the window is tilted open, it is arranged on the side of the faceplate facing away from the scissor arm. This has the advantage that the relative displacement of the scissor link relative to the faceplate can be implemented particularly easily transversely to the axis of rotation of the first coupling point.

According to a further embodiment, the stop is designed as a separate component which is fastened to the faceplate, in particular screwed, riveted or slipped onto it. It is also possible for the stop to be designed in one piece with the faceplate. The design of the stop as a separate component has the advantage that the larger possible transmission area a better power transmission between scissor link and stop can be realized.

The stop can advantageously have a cylindrical section, with the axis of symmetry of the cylindrical section running parallel to the axis of rotation of the first coupling point. This has the advantage that the scissor link can roll particularly well on the outer surface of the cylindrical section.

In addition, the height of the cylindrical section can essentially correspond to a height of the scissor link. This has the advantage that the overall height of the entire scissor fitting is kept low and at the same time maximum power transmission with minimized wear is possible.

According to a further embodiment, it is possible for the scissor linkage to be at a distance from the stop when the sash is tilted or to lie against the stop without any significant force being applied. However, it is also possible that the scissor link rests against the stop when the sash is tilted and exerts a force on the stop. If the scissor link is spaced from the stop when the wing is tilted, this has the advantage that the load on the stop is lower and the stop therefore has a longer service life.

According to the invention, the first coupling point comprises an elongated hole and a coupling element engaging in the elongated hole. The coupling element can comprise a bolt, for example. In this way, a simple and reliable guidance between the scissor link and the faceplate can be implemented.

According to a further embodiment, the elongated hole is formed in the faceplate and the coupling element is formed on the scissor link. In this case, the slot can be produced, for example, by stamping, while the coupling element is connected to the scissor link by a press fit.

This type of connection has the advantage that it is particularly easy to manufacture. According to an alternative embodiment, it is also possible to form the elongated hole in the scissor link and the coupling element on the faceplate.

The faceplate can be fixed as a separate part on the window sash. However, it is also conceivable, especially in the case of aluminum windows, to form the faceplate integrally with the window sash. This would have the advantage that assembling the window would require fewer steps.

The fitting arrangement with the features according to claim 1 can be built into a window, a door or the like.

Fig. 1

zeigt eine Explosionszeichnung einer Ausführungsform einer erfindungsgemäßen Beschlaganordnung in einer perspektivischen Ansicht.

Fig. 2

zeigt eine perspektivische Ansicht dieser Ausführungsform einer erfindungsgemäßen Beschlaganordnung in zusammengebautem Zustand.

Fig. 3A

zeigt eine Schnittdarstellung der Beschlaganordnung entlang der Schnittkante A-A aus Fig. 3B.

Fig. 3B

zeigt die Beschlaganordnung in einem geöffneten Zustand.

Fig. 4A

zeigt eine Schnittdarstellung der Beschlaganordnung entlang der Schnittkante B-B aus Fig. 4B.

Fig. 4B

zeigt eine Draufsicht der Beschlaganordnung in einem geschlossenen Zustand.

The invention is explained in more detail below, merely by way of example, with reference to the figures.

1

shows an exploded drawing of an embodiment of a fitting arrangement according to the invention in a perspective view.

2

shows a perspective view of this embodiment of a fitting arrangement according to the invention in the assembled state.

Figure 3A

shows a sectional view of the fitting arrangement along the cutting edge AA Figure 3B .

Figure 3B

shows the fitting arrangement in an open state.

Figure 4A

shows a sectional view of the fitting arrangement along the cutting edge BB Figure 4B .

Figure 4B

shows a plan view of the fitting arrangement in a closed state.

According to the Figures 1 and 2 the fitting arrangement 11 comprises a scissors arm 13, a scissors link 15 and a faceplate 17 with a stop 18. For the rotatable coupling of scissors arm 13 and scissors link 15, a bolt 19 is provided which passes through an opening 31 formed in the scissors arm 13 and with the opening 31 coaxially aligned, formed in the scissor link 15 opening 29 passes through.

Furthermore, the scissor link 15 is coupled by a bolt 21 passing through an opening 27 in the scissor link 15 and a first elongated hole 25 in the faceplate 17 to the faceplate 17 so that it can rotate about an axis of rotation 49 and can be displaced laterally to the axis of rotation 49 . The coupling forms a first coupling point 39 of the fitting arrangement 11. The lateral displaceability is achieved in that the bolt 21 is movably guided in the first elongated hole 25 in the longitudinal direction of the faceplate 17.

In a similar manner, the scissor arm 13 is coupled to the faceplate 17 at a third coupling point 45 so that it can rotate and be laterally displaceable. To form the third coupling point 45, a bolt 23 is passed through an opening 33 at one end of the scissor arm 13 and at the same time through a second slot 35 formed in the faceplate 17. The second elongated hole 35 again enables the bolt 23 and thus the scissor arm 13 to be moved laterally relative to the faceplate 17.

The stop 18 is inserted into a fixing hole 37 of the faceplate 17, which is arranged in the longitudinal direction of the faceplate 17 at a small distance from the first elongated hole 25 and offset to the central axis of the faceplate 17. Furthermore is in 1 a window frame 41 is indicated schematically, to which the scissors arm 13 can be coupled via a scissors bearing which defines a second coupling point 43 .

The scissor link 15 has a connecting link 47 on one end, which, as in 2 shown, with the stop 18 is in contact. When the wing is closed from its tilted position, the scissor link 15 is pivoted about the axis of rotation 49 of the first coupling point 39 . A force is transmitted from the stop 18 to the scissor arm 15 by the connecting link 47, which rests against the stop 18 and runs against the stop 18 during the pivoting movement, so that the latter is displaced in the longitudinal direction of the faceplate 17. This shift is made possible because the bolt 21 can move along the first elongated hole 25 in the longitudinal direction of the faceplate 17 . In addition, the movement of the scissor arm 15 is transmitted via the bolt 19 to the scissor arm 13 and thus also to the bolt 23 so that the latter moves in the second elongated hole 35 in a direction away from the stop 18 . The shape of the link 47 corresponds approximately to a quarter of an ellipse, so that the distance between the stop 18 and the bolt 21 is steadily increased by the closing of the wing. Ultimately, this causes the faceplate 17 to be displaced relative to the scissor arm 13 in the direction of the side near the belt, to the right in the figures.

This is also from the Figures 3A, 3B, 4A and 4B apparent. In the tilted state of the wing, the bolt 21 is located in an area of the first elongated hole 25 that is close to the stop 18 ( Figures 3A and 3B ). When the wing is closed, in which the center axes of the scissor arm 13 and the scissor link 15 are aligned parallel to one another ( Figures 4A and 4B ), the bolt 21 is arranged in an area of the first elongated hole 25, which is away from the stop 18. During closing of the sash from a tilt-open position, as in Figure 3B shown in a closed position, as in Figure 4B shown, the stop 18 runs along the slide 47 from. through the Form of the link 47, the bolt 21 is guided in the longitudinal direction of the faceplate 17 in the first slot 25 and thus the scissor link 15 relative to the faceplate 17 is displaced in a corresponding manner. Since the scissor arm 15 is immovably connected to the scissor arm 13 via the bolt 19 and the scissor arm 13 is ultimately immovably connected to the window frame 41 via the second coupling point 43, the faceplate 17 and the sash connected to it are ultimately released from the scissor arm 15 during the closing process applied with such a force that the upper part of the sash is pressed in the direction of the hinge angle and the effective length of the scissor fitting is thus shortened.

Scissor arm 13, scissor link 15 and faceplate 17 are flat, band-shaped parts whose surfaces are parallel to one another. The axes of the bolts 19, 21 and 23 and the stop 18 are each perpendicular to the scissor arm 13, scissor arm 15 and faceplate 17. As for example in Figure 4A can be seen, the bolts 19, 21 and the stop 18 are cylindrical with two different diameters and thus each have a shaft shoulder. They can thus be inserted a defined depth into the respective openings 27, 29 and into the fixing hole 37. The fixing hole 37 is offset in comparison to the first long hole 25 in the width direction of the faceplate 17 . In the embodiment shown, the stop 18 is clipped into the faceplate 17 and can rotate about its axis in order to reduce the friction between the stop 18 and the link 47 when the sash is tilted closed. However, it is also possible to connect the stop 18 in a rotationally fixed manner to the faceplate 17 or even to design it in one piece with the faceplate 17 . The faceplate 17 can be used as in 1 and 2 shown as a separate component which is then attached to the wing, but alternatively may be integrated into the wing.

All aspects, embodiments and features of the invention described herein can each be combined with one another without going beyond the subject matter of the following claims.

Reference List

11

fitting arrangement

13

scissor arm

15

scissor handlebar

17

faceplate

18

attack

19

bolt

21

bolt

23

bolt

25

first slot

27

opening

29

opening

31

opening

33

opening

35

second slot

37

fixing hole

39

first coupling point

41

frame of the wing

43

second coupling point

45

third coupling point

47

backdrop

49

axis of rotation

Claims (10)

1. A fitting arrangement (11) for a window, a door or the like having a scissor fitting comprising a scissor stay arm (13), a scissor stay guide (15) coupled in an articulated manner to the scissor stay arm (13), and a cover rail (17) associated with the leaf of the window or of the door,

   wherein, at a first coupling point (39), the scissor stay guide (15) is rotatably supported with the cover rail (17) about an axis of rotation (49),

   wherein, at the first coupling point (39), the scissor stay guide (15) is displaceably supported with respect to the cover rail (17) in a direction transverse to the axis of rotation (49), wherein the first coupling point (39) comprises an elongate hole (25) and a coupling element engaging into the elongate hole (25),

   wherein, at a second coupling point (43), the scissor stay arm (13) can be coupled to a scissor bearing fastenable to the frame of the leaf in order to pivotably support the leaf at the frame (41), and

   wherein the scissor stay arm (13) is pivotably and laterally displaceably connected to the cover rail (17) via a third coupling point (45), characterized in that

   an abutment (18) for the scissor stay guide (15) is provided at the cover rail (17), said abutment (18) being positioned and configured such that, on a tilt closing of the leaf, the scissor stay guide (15) is displaced with respect to the cover rail (17) by the abutment (18) so that a shortening of the effective length of the scissor fitting takes place,

   and in that the scissor stay guide (15) has an end which is formed as a contour (47) and which cooperates with the abutment (18).
2. A fitting arrangement in accordance with claim 1,
   characterized in that
   the scissor stay guide (15) has a rounded and/or asymmetrical end which forms the contour (47) and which cooperates with the abutment (18).
3. A fitting arrangement in accordance with one of the preceding claims,
   characterized in that
   the abutment (18) is arranged offset from the center axis of the cover rail (17).
4. A fitting arrangement in accordance with any one of the preceding claims,
   characterized in that
   the abutment (18) is configured as a separate component which is fastened to the cover rail (17), in particular screwed, riveted or plugged onto said cover rail (17).
5. A fitting arrangement in accordance with any one of the preceding claims,
   characterized in that
   the abutment (18) has a cylindrical section, with the axis of symmetry of the cylindrical section extending in parallel with the axis of rotation (49) of the first coupling point (39).
6. A fitting arrangement in accordance with claim 5,
   characterized in that
   the height of the cylindrical section substantially coincides with a height of the scissor stay guide (15).
7. A fitting arrangement in accordance with any one of the preceding claims,
   characterized in that
   the scissor stay guide (15) is spaced apart from the abutment (18) when the leaf is tilted or contacts the abutment (18) without a substantial force effect.
8. A fitting arrangement in accordance with any one of the preceding claims,
   characterized in that
   the coupling element of the first coupling point (39) engaging into the elongate hole (25) comprises a pin (21).
9. A fitting arrangement in accordance with any one of the preceding claims,
   characterized in that
   the elongate hole (25) is formed in the cover rail (17) and the coupling element is formed at the scissor stay guide (15).
10. A window, a door or the like comprising a fitting arrangement having the features of claim 1.

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