EP1101008A1

EP1101008A1 - Drive rod fitting with corner deflection

Info

Publication number: EP1101008A1
Application number: EP99927834A
Authority: EP
Inventors: Oliver Gersdorf; Cord Lohmann; Carmen Rotger Steigemann; Jürgen Sassmannshausen
Original assignee: Siegenia Frank KG
Current assignee: Siegenia Aubi KG
Priority date: 1998-07-29
Filing date: 1999-06-02
Publication date: 2001-05-23
Anticipated expiration: 2019-06-02
Also published as: DE19834038C2; HUP0104925A2; HU224023B1; PL193889B1; WO2000006862A1; DE19834038A1; PL345533A1; ATE345433T1; HUP0104925A3; DE59913985D1; EP1101008B1

Abstract

The invention relates to a drive rod fitting comprising a corner deflection element for drive rods which are guided in a groove for receiving the fitting, which groove runs around the sash frame. The drive rods are joined together at the sash corner via a deflection member (15) which is guided in an angular guide channel (1) situated in the groove designed for receiving the fitting. An external sash corner covering element which covers the groove for receiving the fitting can be joined to the shaped sash frame and the corner deflection element can be fastened to the sides of said groove in a positive and/or non-positive fit via a fixing device. The aim of the invention is to produce a corner deflection element in a simple manner and to simplify the subsequent assembly of the drive rod fitting. It also aims for the attachment to be sufficiently strong, using the simplest possible measures, and for it to be possible to attach the fixing device to corner deflection elements which do not have an only laterally open angular space but only have a cover rail assigned to one leg of the sash. To this end the positive and/or non-positive fit is achieved by a fixing device (20) positioned at the level of the guide channel (1).

Description

Espagnolette fitting with corner drive

The invention relates to an espagnolette fitting according to the preamble of claim 1.

Corner drives for such an espagnolette fitting are already known. DE 29 41 631 C2, for example, proposes an espagnolette fitting with a corner deflection, the corner deflection of which is a guide channel for receiving and guiding against compression

Has deflection members, wherein the guide channel is formed from a metal band. The deflection members consist of one or more spring steel strips that can be coupled with drive rods.

From DE 196 46 988 A1, for example, a connecting rod fitting has become known which, like DE 32 16 177 C2, has means for fixing the corner deflection to the groove side walls. In DE 196 46 988 A1, a holding element is provided in the space between the cover bracket and guide channel, while DE 32 16 177 C2 provides a latching connection of the cover bracket and an inner corner bracket supporting the guide channel against the groove base with latching projections formed in the groove side walls.

A disadvantage of the first-mentioned prior art is the lack of a fixation, such as that in DE 32 16 177 C2 and

DE 196 46 988 A1 known espagnolette fittings is provided. In the latter drive rod fittings, however, it is disadvantageous that the holding elements either have to be attached to the corner deflection in a complex manner or else require special locking projections on the groove.

The object of the invention is therefore to provide a corner deflection with the simple manufacture according to DE 29 41 631 C2 with the advantages of later assembly of the connecting rod fitting according to DE 32 16 177 C2 or DE 196 46 988 A1. Sufficiently strong fixation should also be achieved with the simplest possible measures. In addition, the fixing device should also be attachable to corner deflections which do not have a corner space which is only open at the side, but only have a cover rail which is assigned to a wing leg.

According to the invention, this is achieved in that the positive and / or frictional engagement takes place by means of a fixing device arranged on the guide channel.

With such a drive rod fitting, the corner guide is very reliably fixed near the deepest - formed by the guide channel - immersion point of the corner guide, so that the corner guide is held securely due to the greater depth of penetration at this point. The fixation via the guide channel also allows the guide channel as a force transmitter to receive, in addition to the attachment via the cover bracket, a further attachment that directly engages this, which prevents, for example, lateral displacement with the resulting stiffness.

It is also essential, however, that the fixation brought about by this measure can also be used for corner deflections which do not have a cover angle, but which are only connected to a cover rail on one of the legs of the guide channel. The cover or face plates of these in the components are connected via a separate corner connection, as is known, for example, from DE 37 29 215 A1. Since the corner connection is only created during assembly, no fixing devices can be provided in the corner area. The arrangement of the fixing device on the guide channel also makes it possible to use the fixing on corner deflections which do not encounter a right-angled arrangement for adaptation to a certain wing geometry. A particularly simple embodiment provides that the fixing device is formed in one piece with the guide channel. As a result, additional components can be omitted, which considerably simplifies production.

A further embodiment provides that the fixing device consists of a clamping spring to be fastened to the guide channel, which can be connected to the guide channel via a snap-snap connection. With this configuration, it is advantageous that the existing tools and

Devices for producing the guide channel can initially continue to be used.

A particularly useful form of the clamping spring is that the clamping spring has a U-shaped cross-section and the U-legs are shaped approximately sinusoidally.

In order to facilitate the assembly of the fixing device, it is provided that the clamping spring can be pushed on radially from the center of the radius of the circular section of the guide channel.

An inexpensive material selection results if the clamping spring consists of spring steel.

In the case of an espagnolette fitting with a corner drive, in which the

Guide channel is formed from a metal strip, in particular brass strip, and in which two C-shaped edge flanges, which are directed towards one another with their open sides, are integrally connected to an essentially flat cross-section on both longitudinal sides, which are formed by curls and which form the deflecting member embrace, it has proven to be an advantage that the fixing device consists of at least one edge flange deformed in sections. The fixing device thus formed in one piece with the guide channel can be in one Work step can be created directly together with the profiling of the guide channel.

An easy insertion of the fixing device is ensured if the guide channel has a U-shaped cross-section in the region of the outwardly deformed edge flange, the U-legs of which run antiparallel. Even with protruding webs on the groove side walls, the U-legs can be inserted into the groove almost self-centering, which is particularly advantageous when the fitting parts are fed automatically.

Finally, in order to be able to design the area of the fitting receiving groove which can be assigned to any of the two wing loops, it is also possible for the fixing device to be located in the transition region of the circular section to the legs which are integrally connected therewith. The fixing devices can be arranged relatively simply outside the circular section, since the manufacture here is simplified compared to the manufacture in the radius. At the same time, several fixing devices can be provided, which increases the maximum fixing force that can be achieved.

A further alternative of the fixing device for a corner deflection, the guide channel of which is formed from a metal band, in particular brass band, in which two C-shaped edge flanges, with their open sides facing one another, are integrally connected to a web part that is essentially flat in cross section on both longitudinal sides. by

Curls are formed and which encompass the deflecting member consists in the fact that the guide channel in its flat web part has a bead which is open laterally to the longitudinal edges and through which a clamping plate forming the fixing device can be inserted transversely to the guide channel. This configuration allows a simple one

Production of the fixing device a comparatively small change in the tool required for the production of the guide channel. The clamping plate is fastened in the bead in one additional operation. The fixing device can be implemented in all conceivable embodiments of the corner deflection and can, if necessary, be adapted to specific customer requirements by variations of the clamping plate.

A particularly simple fixing device arises in that the clamping plate consists of a flat, leaf spring-like strip. This form of sheet metal can be manufactured easily and inexpensively on the one hand, but can also be automatically assembled due to the shape in modern production plants.

The insertion of the clamping plate into the laterally open bead is facilitated in that the clamping plate has rounded or chamfered narrow sides. This also prevents the clamping plate from jamming when the corner drive is inserted into the fitting receiving groove.

With this configuration, it is advantageous if the bead is arranged in the region of the circular section. The insertion of the clamping plate is simplified in this freely accessible area, especially if the assembly is only to be carried out at the end.

To attach the clamping spring, it is provided that the bead has a depth that is only a little larger than the thickness of the clamping spring.

Further advantageous configurations result from the figures. Show it

1 shows a three-dimensional view at approximately natural size of a guide channel fastened on the cover or faceplate,

2 shows a section on a larger scale through a guide channel with a fixing device attached to it in a first embodiment without a cover bracket, 3 shows a corner deflection with a cover angle and a fixing device according to FIG. 2 in a side view,

4 shows a guide channel for a fixing device shown in FIG. 5 on a larger scale,

5 shows a corner deflection with the second embodiment of the fixing device according to FIG. 4,

Fig. 6 shows a corner drive with another embodiment of the

Fixing device and

Fig. 7 is a clamping plate on an enlarged scale for the fixing device shown in Fig. 6.

In Fig. 1 of the drawing, an angular guide channel 1 is shown, which is used for the tensile and compressive stiff sliding reception of a flexible deflection member in corner deflections for espagnolette fittings. This guide channel 1 has two straight legs 2 and 3 which are directed at right angles to one another and are connected to one another in one piece by an arcuate section 4.

The guide channel 1 is made of a metal profile, in particular a brass profile, in which two substantially flanged C-shaped edge flanges 6 and 7 are connected to an essentially flat web part 5 on both long sides, with their open sides facing each other (Fig. 2) . The edge flanges 6 and 7 are each formed by so-called curls on the longitudinal edges of a flat metal strip, which is then formed into the angular guide channel 1 by shaping the arcuate section 4. In the exemplary embodiment according to FIG. 1, the guide channel 1 is fastened with its straight leg 3 to a cover or faceplate 10, for example directly by spot welding or soldering points 11 or by a clinching. The cover rail or faceplate 10 can be connected to the casement profile by way of bores (not shown) and fastening means passing through them, for example screws.

For proper shaping of the curls forming the C-shaped edge flanges 6 and 7, the clear height 12 of the metal profile is approximately twice as large as the thickness 13 of the strip material used to produce the guide channel 1. As a result, however, this clear height 12 of the profile is greater than the total thickness 14 of the flexurally elastic deflecting member 15, which is displaceably accommodated in the guide channel 1 and is formed, for example, from four superimposed, thin spring steel strips.

So that the difference between the total thickness 14 of the deflection member 15 and the clear height 12 of the profile cross section in the guide channel 1 cannot be noticed as an excessively large slip, the metal profile of the guide channel 1 is in each of the two transition areas between the flat web part 5 and the C -shaped edge flanges 6 and 7 longitudinal beads 8 and 9 are formed, preferably continuously over the entire length of the metal profile. These beads 8 and 9 jump by the height 16 into the clear profile cross section of the guide channel 1, so that the profile cross section 17 which remains effective for the deflection member 15 is correspondingly smaller than the clear height 12 of the profile cross section. The height 16 of the bead part constricting the clear profile cross section is expediently approximately half the size of the difference between the total thickness 14 of the deflecting member 15 and the clear height 12 of the profile cross section.

The free longitudinal edges of the two edge flanges 6 and 7 are more bent into the web portion 5 in the arcuate section 4, so that there the play between the deflection member 15 and the Guide channel 1 is narrowed even further than in the area of the two legs 2 and 3.

This embodiment of the profile of the guide channel 1 shown in FIG. 2 extends only over the length of the arcuate section 4, on the two straight legs 2 and 3 of the guide channel 1 the ends of the edge flanges 6 and 7 extend parallel to the web part 5.

The fixing device 20 is arranged on the guide channel 1 and serves to temporarily fix the corner deflection 19 on the wing (not shown) during assembly, as described, for example, in DE 196 46 988 A1. The fixing device 20 according to FIG. 2 consists of a clamping spring 21 to be fastened to the guide channel 1, which can be connected to the guide channel 1 via a snap-snap connection. The

Clamping spring 21 has a U-shaped cross-section to form the snap-snap connection, the U-legs 22, 23 being shaped approximately sinusoidally. The width of the guide channel 1 in this case exceeds the dimension 27 which adjusts itself minimally in the area of the sinusoidal-shaped legs 22, 23. This creates an undercut area 24 on the clamping spring 21, which has an inner contour approximately corresponding to the outer contour of the guide channel 1. The sinusoidal legs 22, 23 encompass the edge flanges 6 and 7. The clamping spring 21 can be pushed radially from the center of the radius of the arcuate section 4 of the guide channel 1, as shown in particular in FIG. 3.

In contrast to that shown in FIG. 1, the corner deflection 19 shown in FIG. 3 has a cover or faceplate angle 28. This encompasses the corner area of the wing on the abutting bars of the wing and covers the fitting receiving groove in this area.

In addition to the guide channel 1, the deflection member 15 and the cover bracket 28, the corner deflection 19 consists of one or more Drive rods 29 and guide pieces 30. The guide pieces 30 serve to guide the drive rods 29 in a longitudinally displaceable manner, which has a coupling shoe 31 and an overlap connection 32 for coupling with adjacent fitting parts. At the same time, the guide pieces 30 serve to fasten the guide channel 1 to the cover bracket. Locking elements 33 can also be provided on the corner deflection 27. Bores for fastening screws (not shown here) are provided in the region of the guide pieces 30. The corner drive 19 is finally connected to the casement profile via these fastening screws.

The clamping spring 21 is arranged in the region of the arcuate section 4 of the guide channel 1 and, due to its height 35 (FIG. 2) of the legs 22, 23, projects into the laterally open region 36 between the guide channel 1 and the cover bracket 28. The width 37 of the clamping spring 21 fastened on the guide channel 1 does not exceed the minimum dimension of the fitting receiving groove. By assigning the web 38 of the clamping spring 21 on the underside of the guide channel 1 facing the bottom of the groove, it is achieved that the clamping spring 21 remains securely attached to the guide channel 1 even when the

Fitting receiving groove is completely or partially narrow. The guide channel 1 is centered on insertion into the fitting receiving groove by the clamping spring 21 in the fitting receiving groove, since the legs 22, 23 convey this to the groove side walls. The clamping spring 21 is made of spring steel, so that in addition to the cheap

Strength properties also the elastic deformability is given.

The drive rod fitting with the corner deflection according to FIGS. 4 and 5 shows a further embodiment of the fixing device 20. The guide channel 1 is also formed in one piece from a metal band here, but in addition to the C-shaped edge flanges 6,7 integrally connected on the two longitudinal sides provided that sections flanges 40, 41 deformed outwards form the fixing device 20. As shown in FIG. 4 in an enlarged view, the edge flanges 6, 7, which are interrupted in sections, are not completely rolled inwards in this area, but instead bulge outwards slightly compared to the other width 42 of the guide channel 1. As a result, the guide channel 1 has a trapezoidal U cross-section in the region of the outwardly deformed edge flange 40, 41, since the U legs 43, 44 run anti-parallel.

If the U-legs 43, 44 are formed in the longitudinal direction separately from the edge flanges 6, 7, this results in better spring properties because the legs 43, 44 are freely movable. Of course, the edge flanges 6, 7 can also remain uninterrupted to form the sections. This creates not shown, inwardly projecting beads on the edge flanges 6,7, the

Guide of the deflection member 15 is interrupted at least in some areas.

As can be seen in particular from FIG. 5, the fixing device 20 is located in the transition region of the arcuate section 4 to the legs 2, 3 which are integrally connected therewith. The fixation is therefore not carried out in the transition area of the fitting grooves, but in each groove individually.

6 shows a corner deflection 19 corresponding to FIGS. 3 and 5, in which the guide channel 1 is also formed from a metal strip. The

Guide channel 1 has in its flat web part 5 (FIG. 2) on the back a bead 50 which is open laterally to the longitudinal edges and through which a clamping plate 51 forming the fixing device 20 can be inserted transversely to the guide channel 1. The width of the bead 50 is matched to the section lying between the beads 8 and 9. The bead 50 can be provided in the stamping and bending tool during the manufacture of the guide channel 1 or can be introduced subsequently. The bead 50 is dimensioned so that the clamping plate 51 is inserted with its narrow side 53 can be, but the depth of the bead 50 is only a little larger than the thickness of the clamping plate 51. Since the bead 50 is closed in its longitudinal extent, the clamping plate 51 can be fixed by a slight deflection of the bead base 52. Escaping the clamping plate 51 is not possible due to the U-shaped gripping of the clamping plate 51.

The clamping plate 51 consists of a flat, leaf spring-like elongated strip, as shown in FIG. 7. The narrow sides 53 are rounded or chamfered, which facilitates the insertion of the clamping spring 51 into the lateral openings in the bead 50, but also prevents the clamping spring 51 from canting or getting caught when the corner deflection on the wing is inserted or possibly displaced longitudinally.

The bead 50 and thus the fixing device 20 are preferably arranged in the region of the circular section 4, since otherwise the clamping spring 51 cannot plunge sufficiently deep into the fitting receiving groove.

For the sake of completeness, it is pointed out that the guide channel 1 can of course also be produced as a molded part, for example made of plastic. Said fixing devices 20 can also be provided in one piece on a guide channel produced in this way.

Reference number list

1 guide channel 1

2 legs

3 legs

4 arcuate section

5 bridge part

6 edge flanges

7 edge flanges

10 cover or faceplate

11 welded or soldered joints

12 clear height

14 total thickness

15 flexurally deflecting link

16 height of the beads

17 profile cross-section

20 fixing device

21 clamping spring

22 U-legs

23 U-legs

24 undercut area

27 measure

28 cover or faceplate angles

29 connecting rod

30 guide pieces

31 clutch shoes

32 Overlap connection

33 locking elements

35 height

36 area

37 width

38 footbridge Edge flanges

Edge flanges

width

U-leg

Surround

Clamping plate

Surround

Narrow sides

Claims

PATENT CLAIMS

1. Espagnolette fitting with a corner drive for in a

Drive frames running around the sash frame, which are coupled to each other at the wing corner via a deflecting member made of spring bands, which is guided in an angular guide channel arranged in the fitting receiving groove, at least one outer covering the fitting receiving groove

Cover bracket or a cover rail can be connected to the casement profile, and wherein the corner deflection by positive and / or frictional engagement with the

Groove side walls of the fitting receiving groove can be fixed by means of a fixing device, characterized in that the positive and / or frictional engagement is achieved by a on the guide channel

(1) arranged fixing device (20).

2. espagnolette fitting with a corner deflection according to claim 1, characterized in that the fixing device (20) is formed in one piece with the guide channel (1).

3. espagnolette fitting with a corner deflection according to claim 1, characterized in that the fixing device (20) consists of a to the guide channel (1) to be fixed clamping spring (21) which can be connected via a snap-snap connection with the guide channel (1) is. Espagnolette fitting with a corner deflection according to claim 3, characterized in that the clamping spring (21) has a U-shaped cross-section and the U-legs (22, 23) are shaped approximately sinusoidally.

5. espagnolette fitting with a corner deflection according to claim 3 or 4, characterized in that the clamping spring (21) from the radius center of the arcuate portion (4) of the guide channel (1) can be pushed on.

6. espagnolette fitting with a corner deflection according to one of claims 3 to 5, characterized in that the clamping spring (21) is made of spring steel.

7. espagnolette fitting with a corner deflection according to claim 1, wherein the guide channel (1) is formed from a metal band, in particular brass band, in which a cross-sectionally flat web part (5) on both longitudinal sides in one piece two C-shaped, with Connect their open side facing edge flanges (6,7), which are formed by curls and which encompass the deflecting member (15), characterized in that the fixing device (20) consists of at least one edge flange (6, 7) deformed outwards in sections .

8. espagnolette fitting with a corner deflection according to claim 7, characterized in that the guide channel (1) in the region of the outwardly deformed

Edge flange (6, 7) has a U-shaped cross section, the U legs (43, 44) of which run anti-parallel.

. Espagnolette fitting with a corner deflection according to claim 7 or 8, characterized in that the fixing device (20) is located in the transition region of the arcuate section (4) to the straight legs (2, 3) connected therewith in one piece.

10. Espagnolette fitting with a corner deflection according to claim 1, wherein the guide channel (1) is formed from a metal band, in particular brass band, in which a cross-sectionally flat web part (5) on both long sides in one piece two C-shaped, with Connect their open side facing edge flanges (6,7), which are formed by curls and which encompass the deflecting member (15), characterized in that the guide channel (1) in its flat web part (5) on the back side one open to the longitudinal edges Has bead (50) through which a clamping plate (51) forming the fixing device (20) can be inserted transversely to the guide channel (1)

11. espagnolette fitting with a corner deflection according to claim 10, characterized in that the clamping plate (51) consists of a flat, leaf spring-like strip.

12. Espagnolette fitting with a corner drive according to claim 10 or

11, characterized in that the clamping plate (51) has rounded or chamfered narrow sides (53).

3. espagnolette fitting with a corner deflection according to one of claims 10 to 12, characterized in that the bead (50) is arranged in the region of the arcuate section (4).

14. espagnolette fitting with a corner deflection according to one of claims 10 to 13, characterized in that the bead (50) has a depth which is only a little larger than the thickness of the clamping plate (51).