EP1425491B1 - Retaining device designed for a window frame and method for inserting a window frame in a structural opening - Google Patents

Abstract

The invention concerns a device for mounting assistance designed for a window frame, comprising a fixing element (1203) located at the window frame (1204) and a spring element (1202). Said device is configured so that the spring element (1202) is pressed against the fixing element (1203) on one side, and against the structural opening (1205) on the other side so as to be elastically prestressed, when the window frame is inserted in the structural opening (1205).

Description

The invention relates to a holding device for holding a window sill in a wall opening, with a two Baking having fixing element, between which the Frame of the window stock is braced, and with a Spring element for supporting the in the wall opening adjusted window stock with resilient bias.

Moreover, the invention relates to a method for Mounting a window sill in a wall opening.

A generic holding device is known from DE 195 45 407 A known. DE 195 45 407 A discloses a holding device for a window frame or a door element consisting of a Screw clamp and a telescopic tensioner exists. The The screw clamp and the telescopic clamp are separate Components executed, the telescopic tensioner turn off two telescopically-sliding tubes and one Compression spring exists. To the door element or the Window frame to support against a fall, is the telescopic clamp on the window frame or on the Door element fastened with the screw clamp, the telescoping tubes of the telescopic tensioner through the spring force of the compression spring are pressed apart and the inner tube is supported on the fall of the wall.

A disadvantage of DE 195 45 407 A known Holding device is that the handling of the Holding device for a professional relative is expensive.

It is known fasteners, so-called Shuddering, to attach to window sills to the in the corresponding wall opening set window stock to hold the assembly. The problem is the installation of large window sills taken by a person during the Assembly are no longer to be held. For the assembly of such window sills are usually several Persons used, so this assembly is labor-intensive.

On the other hand, there are already Mounting techniques for window sticks, in which the Window sills without the use of shudder over the Wall opening to be attached. In this case, there is no special attack point available to the window stick in the position to be mounted. To the mounting aid Air bags are known here between the Window stock and the wall opening inserted and inflated become. When inflating the airbag then jam the airbags against the windowsill opposite the Wall opening, so that the window sill in the thereby salaried position can be mounted.

From DE 94 19 530 U a holding device is known which an angled flat steel having, with a Threaded spindle can be moved to face to support the wall opening.

From JP 09088431A are holding devices for a Window stock known, with which the window stock in the Window opening can be adjusted and the same time serve the window stock with a metallic To weld outside of the wall reveal. The Holding devices have partly resilient elements, However, they are not suitable after setting of the window stick in the wall opening from the window floor to be removed again so as to further assembly to be reused.

From US 4,488,391 it is known leaf springs on the outer To fix the edge of the window sill to the window sill in to assemble prefabricated frames. Such frames are used to make window sills earthquake-proof install. For this purpose, in a wall opening first the prefabricated frame used. In this frame is then the window sill is inserted, being in the vertical direction a small gap remains to earthquake tremors to be able to compensate. To the window stick in the prefabricated frame as possible despite the gap vibration-free, a leaf spring is provided, which is nailed at one end to the window floor and at the other end when installing on the prefabricated Frame rests. The leaf springs are after adjusting the Window sash inaccessible and can not be removed when the window stock is set in the frame.

The object of the invention is a holding device to provide the simplest possible assembly of the Window sockets allowed.

This object is achieved in that the Spring element from a fixed to the fixing Leaf spring is made, the free end of the wall opening abuts when the window sill in the wall opening is set, and that any kind of shift of the Balances against the wall opening to compensate can.

In a method according to the invention for holding the Window sills in a wall opening with a Holding device has the holding device Fixing element for fixing the holding device on Window stick and one attached to the fixing Leaf spring for holding the window stock in the wall opening on and is characterized by fixing the Holding device on the frame of the window sill, wherein the Frame of the sash between two jaws of the Fuser is jammed, and setting the Window sills in the wall opening, with the free end of the Leaf spring rests against the wall opening and doing any kind of displacement of the sash against the Wall opening can compensate.

Fig. 1

eine Prinzipskizze eines Fensterstocks, der von zwei erfindungsgemäßen Haltevorrichtungen in einer Maueröffnung gehalten wird,

Fig. 2

eine Draufsicht einer Haltevorrichtung nach einer ersten Alternative,

Fig. 3

einen Schnitt durch die Haltevorrichtung gemäß Fig. 2, die in einem fensterstockseitigen Profil fixiert ist,

Fig. 4

einen Schnitt durch die Oberseite eines Fensterstocks, der in eine Maueröffnung eingestellt ist und von der Haltevorrichtung gemäß Fig. 2 gehalten wird,

Fig. 5a

ein Adapterstück für einen Fensterstock aus Holz,

Fig. 5b

einen Fensterstock aus Holz mit einem eingesetzten Adapterstück gemäß Fig. 5a,

Fig. 6

eine Haltevorrichtung nach einer zweiten Alternative für einen Fensterstock aus Holz,

Fig. 7

eine Draufsicht auf die Haltevorrichtung gemäß Fig. 6,

Fig. 8

eine Haltevorrichtung nach einer dritten Alternative für einen Fensterstock aus Kunststoff,

Fig. 9

eine Draufsicht auf die Haltevorrichtung gemäß Fig. 8,

Fig. 10

eine erste Ausführungsform der erfindungsgemäßen Haltevorrichtung,

Fig. 11

eine zweite Ausführungsform der erfindungsgemäßen Haltevorrichtung, und

Fig. 12

eine dritte Ausführungsform der erfindungsgemäßen Haltevorrichtung.

In the following the invention will be explained in more detail with reference to the accompanying drawings. Embodiments of the holding device according to the invention are described in FIGS. 10, 11 and 12. Show it:

Fig. 1

a schematic diagram of a window stack, which is held by two holding devices according to the invention in a wall opening,

Fig. 2

a top view of a holding device according to a first alternative,

Fig. 3

3 a section through the holding device according to FIG. 2, which is fixed in a window-floor-side profile,

Fig. 4

3 is a section through the top of a window sill, which is set in a wall opening and is held by the holding device according to FIG. 2;

Fig. 5a

an adapter piece for a wooden window frame,

Fig. 5b

a wooden window frame with an inserted adapter piece according to FIG. 5a,

Fig. 6

a holding device according to a second alternative for a wooden window frame,

Fig. 7

a top view of the holding device according to FIG. 6,

Fig. 8

a holding device according to a third alternative for a window stock made of plastic,

Fig. 9

a top view of the holding device according to FIG. 8,

Fig. 10

a first embodiment of the holding device according to the invention,

Fig. 11

a second embodiment of the holding device according to the invention, and

Fig. 12

a third embodiment of the holding device according to the invention.

1 shows a schematic diagram of a window frame 101, that of two holding devices 102 and 103 is held in a wall opening 104. in principle the wall opening 104 consists of a rectangular Opening in the masonry, from that in Fig. 1 of simplicity only the upper half is shown. Of the Window stick 101 is usually on the lower side of the Wall opening on two spacers, not shown placed and is at its upper side by two Holding devices 102 and 103 held. The closer Embodiment of the holding devices 102 and 103 is explained with reference to Figures 2 to 4.

Fig. 2 shows a plan view of a holding device according to a first alternative. The holding device 201 has a support member 202 in the form of a sheet metal strip, the bent at the point 207 by about 45 °. On the one side of the carrier element 202 is a fixing element 204 consisting of two lugs 205 and 206 attached. On the other side of the support member 202 is a Leaf spring 203 mounted from spring steel. The leaf spring 203 is angled at locations 208 and 209, as is from Fig. 3 can be seen.

Fig. 3 shows a section through the holding device according to Fig. 2, which is fixed in a window floor side profile is. From the window stock 301 is the clarity just a small section with profile 302 shown. The profile has two profile edges 303 and 304 on, between which the fixing element 204 with the lugs 205 and 206 is detachably fixable. For this purpose, the fixing element 204 in the profile 302 first inserted so that the noses 205 and 206 approximately along the profile 302 aligned are. Then, the holding device 201 together with the Fixing element 204 rotated by about 90 °, so that the Noses 205 and 206 in the profile 302 between the Profile edges 303 and 304 jam, as in the section Fig. 3 is shown.

For easier fixing and loosening of the fixing element 204 is the support member 202 at the point 207 by approximately 45 ° angled and is thus both when inserting the Fixing, as well as to release the fixing well accessible. The free end of the support member 202 may also be designed as a handle with a plastic sheath.

Fig. 4 shows a section through the top of a Window sills 401 set in a wall opening 403 is and held by the holding device of FIG. 2 becomes. The holding device 201 corresponds to the in the Figures 2 and 3 explained holding device. The Leaf spring 203 is bent at locations 208 and 209, so that the free end is parallel to the edge 404 of the Wall opening 403 is applied. This allows a larger Contact surface between the leaf spring and the Reach the wall opening in assembled condition. alternative It is conceivable that the free end formed as a plate is the wall side punctiform at the edge 404 of Wall opening 403 is applied. This way you can be sure that the free end of the leaf spring can glide along with the plate along the edge 404, without to with smaller wall projections or mortar residues too snag.

Fig. 5a shows an adapter piece for a window sill Wood. The adapter piece is made of plastic and has two webs 502, 503, between which the fixing of the Holding device can be jammed. There are also two Through holes 504, 505 provided with which the Adapter piece are screwed in a corresponding groove can.

Fig. 5b shows a wooden window frame with a used adapter piece according to FIG. 5a. By doing Fensterstock 506 a groove was milled, in which the Adapter piece 501 was used as shown.

Fig. 6 shows a holding device after a second Alternative for a wooden window frame. Of the Window stock 601 already has two in the case of Delivery of existing grooves 609, 610. The fixing element 605 is designed as an eccentric so that it is directly in the groove 609 can be jammed. In contrast to Holding device according to FIG. 2, the handle 602 to the Carrier element 603 by approximately 30 ° relative to the horizontal inclined downwards. The leaf spring 604 is about screws 607 screwed to the support member 603. In the end 608 is the leaf spring 604 slightly bent to a better Hold in the assembled state opposite the soffit sure. Position 606 shows the leaf spring 604 in FIG bent state during assembly opposite to the Soffit. Due to the inclination of the handle 602 is the Handle the fitter easily accessible.

Fig. 7 shows a plan view of the holding device according to Fig. 6. The identical designated positions correspond those of Fig. 6, so that in this regard to the description refer to FIG. 6. Position 605 indicates the shape of the fixing, which is located on the bottom of the Carrier element 603 is located. The slightly oval shape is designed eccentric and thus allows a direct jamming against an existing groove in a wooden window. As well as from the Top view is the handle 602 opposite to the Symmetry axis 701 additionally tilted by approx. 45 ° to after mounting the window stock, the holding device easily accessible way to turn a full 90 °.

Fig. 8 shows a holding device after a third Alternative for a window sill made of plastic. Of the Difference compared to the representation of FIG. 6 in positions 801 and 805. The window stock 801 is this time made of plastic and has the profiles 809, 810 on. Accordingly, with the screws 807 a changed fixing element 805 on the carrier element 803 attached. The remaining elements are according to the Holding device designed in accordance with FIG. 6, so that in this regard, reference is made to the description of FIG. 6 becomes.

Fig. 9 shows a plan view of the holding device according to Fig. 8. The position 805 indicates the shape of the Fixing element to that under the support member 803 is attached. The fixing element 805 is initially between the profiles 809, 810 are used. By twisting the Handle 802 by 90 ° then engage the lugs 902, 903 the profiles 809, 810, so that the fixing element 805 releasably is fixed on the outer edge of the window frame. The remaining Positions correspond in their design to those as shown in FIG. 7, so that in this respect to the description refer to FIG. 7.

10 shows a first embodiment of the Holding device according to the invention, the various types of window sills can be used. your basic structure according to the holding device 1001 also from a leaf spring 1002 and a Fixing element 1003. An essential difference of Holding device according to the invention over the past described alternative holding devices consists However, in that the holding device is universal for various types of window can be used, namely regardless of the outer profile shape of the window stock. This is achieved by the framework of the Window stick between the fixing element 1003 and one at Counter-pressure plate 1005 attached to carrier element 1004 is jammed. The leaf spring 1002 has at her Bottom of a finger hook 1006 on. Under the Finger hook is a retaining pin 1007, the is attached perpendicular to the support member 1004. The Fixing element 1003 is bolted to the transverse plate 1008 and may correspond to the elongated hole 1015 be positioned. The fixing element 1003 consists again from the stamp 1009 and a hinged thereto Guide rod 1011. The guide rod 1011 is of a Compression spring 1010 surrounded on the stamp 1009 a corresponding pressure force in the direction counterpressure plate 1005 exercises. The guide rod has at its lower end their length after a plurality of fixing holes 1014, in the a resilient fixing pin 1013 can engage accordingly, about the guide rod 1011 and the punch 1009 opposite the pressure force of the compression spring 1010 in a certain Position to fix. At the bottom of the guide bar 1011 is a pull ring 1012 to the guide rod 1011 and the punch 1009 to operate with manual power.

The mechanic fixes to mount a window stick First, the holding device with the fixing 1003 the window floor. For this purpose, the stamp 1009 with the Pull ring 1012 against the spring force of the compression spring 1010 initially pulled far enough down and in one suitable fixing hole 1014 with the resilient fixing pin 1013 fixed. Then the counterpressure plate 1005 at upper edge of the window stick and the stamp 1009 with the help of the spring force of the compression spring 1010 against the pressed lower part of the window sill. The Guide rod 1011 can from its fixing position be solved by the pull ring 1012 with the Guide rod 1011 about 90 ° about its vertical axis is rotated and thus the respective fixing hole 1014 the fixing pin 1013 disengages. In this position glides the fixing pin 1013 without ruffling effect on the Along the guide rod, leaving the punch stepless can be adjusted. Of course, if necessary several holding devices in the same way on the outside Fixed edge of the window stick to be mounted.

In a next step follows the setting of the Window stick in the wall opening, with the fitter the Leaf spring 1002 with the finger hook 1006 against the Bend down pencil holder 1007. As soon as the Window stock is in the appropriate position can the fitter release the leaf spring 1002, then the Window stock fixed against the wall reveal. After this the window frame has been fastened in a suitable manner (for example, by foaming or by screwing, the holders can be removed again. For this purpose, the punch is expediently first pulled the pull ring back down and in one suitable fixing hole 1014 through the fixing pin 1013th fixed. Then, the leaf spring 1002 through Pulling down the finger hook 1006 against the Retaining pin 1007 relieved, causing the holding device Released against the window floor and the wall reveal becomes.

In practice, have as spring force for the leaf spring approx. 35 Newtons and as spring force for the compression spring 1010 proven about 75 Newton.

Fig. 11 shows a second embodiment of the invention. This holding device differs from the first holding device according to FIG. 10 in that the Leaf spring and the fixing on a Lever mechanism can be operated together. Of the For simplicity, the corresponding elements with denoted by the same final digits. Accordingly, it also exists the holding device 1101 according to their basic structure from a leaf spring 1102 and a fixing element 1103. In corresponding manner to the holding device according to the invention as shown in Fig. 10 are also provided: a support member 1104, a counter-pressure plate 1105, a transverse plate 1108 with a slot 1115, a stamp 1109 with a Guide rod 1111 and a compression spring 1110 as well Fixing holes 1114 and a resilient fixing pin 1113.

With regard to the functioning of these elements, the For the sake of simplicity, the description of FIG. 10 to get expelled.

For joint operation of the leaf spring 1102 and the Fixing element 1103, however, has the holding device 11 now a toggle mechanism, the attached to the side plate 1120, which in turn with the carrier element 1104 is connected. On the side plate 1120 is about the rotation axis 1122 a rocker 1121st hinged, in turn, the guide rod 1111 to Actuation of the punch 1109 and a pull rod 1123 to Operation of the leaf spring 1102 are articulated. The Pull rod 1123 is at the other end in a slot 1125 led by an anchor 1124, which in turn at the lower side of the leaf spring 1102 is attached. By Attaching the rocker 1121 opposite the side plate 1120, both the tension spring 1102 and the punch 1109 pulled down against the acting spring forces or can be released in the reverse manner can.

The installation of a window stick is basically as in the manner described in FIG. 10, but takes place now with the help of the toggle mechanism. By Actuation of the toggle mechanism can be Holding device in a known manner, first on the outside Edge of the window stick to be fixed by the Window stick in a suitable way between the Counterpressure plate 1105 and the stamp 1109 is jammed. Then the window can be in the wall opening can be adjusted, wherein the leaf spring 1102 due to the slot guide 1125 free with respect to the drawbar 1123 bend down and thus the wall opening in appropriate to adapt. After fixing the Fensterstockes, the holding device by actuation the toggle mechanism then solved in a simple manner and reused for the next assembly.

Fig. 12 shows a third embodiment of a Holding device according to the invention, as well as the first and second embodiments for various types Window sills can be used. Their basic structure According to the holding device 1201 also consists of a Leaf spring 1202 and a fixing element 1203. The There is a difference to the holding devices 1001 and 1101 in that the fixing element 1203 applies exclusively to the outer and inner edges of the window stock 1204 supports, so that even during assembly of the gap between the window floor 1204 and the wall reveal 1205 can be kept free. This feature is particular for mounting techniques advantageous in which the circumferential Edge of the window stock 1204 a sealing film glued is that when using the fixtures 1001 or 1101 could be damaged.

FIG. 12 already shows the position of the window stock 1204 a fixed holding device 1201 during assembly in relation to the wall reveal 1205, in addition by the dashed line 1206 the plaster edge is indicated, the after plastering the window stock 1204 and the Wall reveal 1205 would result.

The fixing element 1203 basically has the structure of a conventional screw or ratchet clamp, wherein in FIG. 12 a so-called ratchet wrench is shown, the one One-hand operation allowed. Accordingly, that exists Fixing element 1203 from a guide rail 1207, on the an outer jaw 1208 and an inner jaw 1209 displaceable are guided. The outer jaw 1208 and the inner jaw 1209 jam in a known manner against the Guide rail 1207, as soon as a torque between the Outer jaw 1208 or the inner jaw 1209 and the Guide rail 1207 is exercised. The outer jaw 1208 and the inner jaw 1209 have at their free ends respectively Pressure plate 1210 and 1211, preferably made of elastic material are made to the side walls of the window stock 1204 not to damage. At the inner free end of the guide rail 1207 is a clamping lever Hinged 1212, the outer jaw 1208 and the inner jaw 1209 opposite the window stock 1204 braced. In a manner not shown, the Tension lever 1212 also has a release button, with the tension can be easily solved again can.

On the pressure plate 1211 of the inner jaw 1209 is a Holding plate 1213 provided on which the leaf spring 1202 is attached. Vorzugszweise the pressure plate 1211 and the holding plate 1213 made in one piece, in which case the Window-side area of the pressure plate 1211 additionally coated with an elastic material, in the manner described above, the outer edge of Not to damage window sills. Especially advantageous it is when between the pressure plate 1211 and the Inner jaw 1209 an adapter connection is provided, the an exchange of the pressure plate 1211 together with the Holding plate 1213 and the leaf fields 1202 allows. On This way can a whole assortment of pressure plates 1211 together with retaining plates 1213 and leaf springs 1202 are offered for various applications optimized, such as installation in new buildings, Installation in old building, installation with circumferential sealing foils, Of course it is also possible to have one simple pressure plate 1211 without holding plate 1213 and To provide leaf spring 1202 for the adapter connection to the fixing 1203 as a simple screw or To use ratchet wrench.

The mechanic fixes to mount a window stick first the holding device 1201 with the fixing 1203 on the window stock 1204. For this purpose, the outer jaw 1208 and the inner jaw 1209 with the pressure plates 1210 and 1211 to the outside and inside of the window stock 1204 set and braced with the clamping lever 1212.

In a next step follows the setting of the Window stick in the wall opening, with the leaf spring 1202 or leaf springs 1202 further holding devices 1201, as in the manner shown in Fig. 12 against the Wall reveal 1205 support and thus the window stock 1204 already provisionally opposite the wall reveal 1205 hold.

In a further step, now the adjustment and Clogging of the window stock 1204 against the Wall reveal done. Under Verklotzen is the Fix the window stick against the wall reveal with suitable spacer blocks or spacer wedges understood. The window stick is done with a lever, the similar to how a crowbar is shaped, from the bottom Wall reveal raised or from the side Wall reveals postponed until the space between approximating the window sill and the circumferential wall reveal is constant and up the window stock in all three levels adjusted to the solder. The invention is the same Biegefeder 1202 doing any kind of displacement of the Window stock 1201 without the holding device 1201 must be solved again from the window stock 1204.

The next step is then attaching the Window stick opposite the wall reveal, like for example by foaming and / or screwing. During this step, those at the window can 1204 attached holding devices 1201 successively again be removed.

Finally, the plastering is done against the Wall reveal 1205 up to the plaster edge 1206.

Claims (6)

1. Holder (1001, 1101, 1201) for holding a window frame (101) in a wall opening (104),
   with a fixing element (1003, 1103, 1203) having two noses between which the outer edge of the window frame can be clamped,
   and with a spring element (1002, 1102, 1202) for supporting the window frame inserted in the wall opening, with spring tension,
   characterized in that
   the spring element (1002, 1102, 1202) consists of a leaf spring fastened on the fixing element, whose free end lies on the wall opening, when the window frame (101) is installed in the wall opening (104) and in this case can balance out any kind of movement of the window frame (101) relative to the wall opening (104).
2. Holder according to Claim 1, characterized in that the leaf spring (1002, 1102, 1202) stands almost at right angles to the plane formed by the window frame when the holder is fixed to the outer edge of the window frame.
3. Holder according to either of Claims 1 - 2, characterized in that the fixing element (1203) has a guide rail (1207) on which an outer nose (1208) and an inner nose (1209) are movably guided, between which the side walls of the window frame (1204) can be clamped.
4. Holder according to Claim 3, characterized in that a tension lever (1212) is joined to the inner free end of the guide rail (1207), which when the outer nose (1208) and the inner nose (1209) are moved is clamped relative to the window frame (1204).
5. Holder according to any one of Claims 1 - 4, characterized in that the fixing element (1003, 1103) has a counter pressure plate (1005, 1105) and a ram (1009, 1109) under spring action between which the outer edge of the window frame can be clamped.
6. Method for holding a window frame (101) in a wall opening (104) with a holder (1001, 1101, 1201) according to any one of Claims 1- 5,
   with the following steps:

   fixing of the holder (1001, 1101, 1201) on the outer edge of the window frame (101), the outer edge of the window frame being clamped between two noses of the fixing element (1003, 1103, 1203),

   insertion of the window frame (101) into the wall opening (104), whereby the free end of the leaf spring (1002, 1102, 1202) lies on the wall opening and in this case can balance out any kind of movement of the window frame (101) relative to the wall opening (104),

   mounting of the window frame (101) in the wall opening (104), and

   releasing of the holder (1001, 1101, 1201) from the outer edge of the window frame (101).

Images