FITTING ASSEMBLY FOR ARRANGING BETWEEN A FIXED FRAME AND A LEAF OF A WINDOW OR DOOR

A fitting assembly for arranging between a fixed frame and a leaf of a window or a door includes a transverse guide, a lift-off drive and a longitudinal guide. A leaf-side transverse guide part of the transverse guide can be moved into a lifting-off position by the lift-off drive, in a lifting-off direction running perpendicular to a frame main plane of the fixed leaf, relative to a fixed-frame-side transverse guide part. The fixed-frame-side transverse guide part is movably guided, as part of the longitudinal guide, on a longitudinal guide path of the longitudinal guide, along the frame main plane in a shifting direction. A spring element is arranged between the leaf-side transverse guide part and the fixed-frame-side transverse guide part, which spring element is pre-tensioned perpendicular to the frame main plane when the leaf-side transverse guide part is in the lifting-off position.

DESCRIPTION

Field of the Invention

The invention relates to a fitting assembly for arranging between a fixed frame and a leaf of a window or a door, by means of which the leaf can be driven relative to the fixed frame with a guided lifting-off movement in a lifting-off direction perpendicular to a frame main plane of the fixed frame and can thereby be lifted off from a position close to the fixed frame to a position away from the fixed frame and by means of which the leaf lifted off into the position away from the fixed frame can be displaced relative to the fixed frame with a guided shifting movement in a shifting direction perpendicular to the lifting-off direction along the frame main plane, in that the fitting assembly comprises a transverse guide, a lift-off drive and a longitudinal guide; wherein the transverse guide of the fitting assembly has a leaf-side transverse guide part and a fixed-frame-side transverse guide part, and the leaf-side transverse guide part is designed for movement-related connection with the leaf moving in the lifting-off direction and is movably guided on the fixed-frame-side transverse guide part in the lifting-off direction; wherein the lift-off drive of the fitting assembly comprises a leaf-side drive element and a leaf lift-off controller; wherein the leaf-side drive element of the lift-off drive is designed for movement-related connection with the leaf moving in the lifting-off direction and for carrying out a lift-off drive movement relative to the leaf; wherein the leaf lift-off controller comprises a leaf-side control element connected to the leaf-side drive element and a guide-part-side control element provided on the fixed-frame-side transverse guide part; wherein of the leaf-side control element and the guide-part-side control element of the leaf lift-off controller, one control element is designed as a control link and the other control element is designed as a link follower guided by means of the control link; wherein the control link of the leaf lift-off controller extends with a longitudinal direction thereof along the frame main plane and at a varying distance from the frame main plane and has link walls extending along the frame main plane which are spaced apart from one another perpendicular to the frame main plane; wherein the link follower penetrates into the control link and; wherein due to the lift-off drive movement of the leaf-side drive element, the control link and the link follower are movable relative to one another in the longitudinal direction of the control link and as a result the leaf-side transverse guide part can be moved relative to the fixed frame-side transverse guide part from a position associated with the position of the leaf close to the fixed frame perpendicular to the frame main plane into a lifting-off position associated with the position of the leaf away from the fixed frame due to the course of the control link guiding the link follower; and wherein the longitudinal guide of the fitting assembly comprises a fixed-frame-side longitudinal guide path which extends in the shifting direction of the leaf and on which the fixed-frame-side transverse guide part is movably guided in the shifting direction of the leaf together with the leaf-side transverse guide part which is moved into the lifting-off position.

The invention further relates to a window or a door having such a fitting assembly.

Background of the Invention

Prior art of the generic type is known from EP 2 829 679 A1. This document relates to a window or a door with a leaf which, by means of a displacement assembly, can be lifted off relative to a fixed frame perpendicular to a frame main plane of the fixed frame and, in the lifted-off state, can be displaced in a shifting direction parallel to the frame main plane. The displacement assembly comprises a drive rod fitting mounted on the leaf and fixed-frame-side guide parts which are movable on the fixed frame parallel to the frame main plane in the shifting direction of the leaf and are supported perpendicular to the frame main plane. The connection between the leaf and the fixed-frame-side guide parts is established by leaf fastening parts of the displacement assembly, one of which is screwed to the leaf on the one hand and, on the other hand, is movably guided on the associated fixed-frame-side guide part perpendicular to the frame main plane. In order to lift off the leaf relative to the fixed frame, drive rods of the drive rod fitting are provided with control pins on the leaf which drive rods are movable in the circumferential direction of the leaf, each of which control pins engages in a control link on one of the fixed-frame-side guide parts. On the basis of an actuation of the drive rod fitting, a control pin on the drive rod side moves in the longitudinal direction of the control link on the associated guide part on the fixed-frame side. Since the control link on the guide part on the fixed-frame side extends in the direction of movement of the control pin with increasing distance from the frame main plane, the displacement of the control pin in the control link causes a lifting-off movement of the leaf connected to the control pin relative to the guide part on the fixed-frame side perpendicular to the frame main plane. By means of the leaf fastening parts, the leaf is guided along the guide parts on the fixed-frame side during its lifting-off movement. The leaf arranged in a position away from the fixed frame can be manually moved in the shifting direction relative to the fixed frame.

SUMMARY OF THE INVENTION

The object of the present invention is to further develop the generic state of the art in such a way that the guidance of the leaf away from the fixed frame, which is effective perpendicular to the frame main plane, is improved during its shifting movement.

According to the invention, this object is achieved by the fitting assembly according to the independent claims.

The spring element provided in the case of the invention between the leaf-side transverse guide part and the fixed-frame-side transverse guide part and pre-tensioned perpendicular to the frame main plane when the leaf is lifted off ensures that the leaf-side control element of the leaf lift-off controller is supported without play on the guide-part-side control element of the leaf lift-off controller. In other words, the effect of the pre-tensioned spring element minimizes play existing perpendicular to the frame main plane between the leaf-side transverse guide part and the fixed frame-side transverse guide part when a shifting movement is carried out in the shifting direction along the frame main plane by the leaf-side transverse guide part arranged in the lifting-off position and the leaf connected to the same.

The leaf-side control element of the leaf lift-off controller is connected to the leaf-side drive element, which in turn is connected to the leaf so as to be movable jointly with the leaf moving perpendicular to the frame main plane. The control element of the leaf lift-off controller on the guide-part side is provided on the transverse guide part on the fixed frame side. The transverse guide part on the fixed-frame side is in turn guided in the shifting direction on the longitudinal guide path provided for guiding the lifted-off leaf in the shifting direction and is consequently mounted on the longitudinal guide path of the parallel guide perpendicular to the frame main plane.

Consequently, the play-free support of the leaf-side control element on the guide-part-side control element of the leaf lift-off controller, as effected according to the invention, results in a play-free or at least play-reduced support of the leaf lifted off relative to the fixed frame on the longitudinal guide path perpendicular to the frame main plane, and this even when the lifted-off leaf is moved along the longitudinal guide path in the shifting direction.

With appropriate geometry of the leaf-side control element and the guide-part-side control element of the leaf lift-off controller, the pre-tensioned spring element also causes a play-free mutual support of the leaf-side control element and the guide-part-side control element, due to which a play along the frame main plane and/or a rotational play is eliminated between the leaf-side control element and the guide-part-side control element and consequently also between the leaf-side transverse guide part and the fixed-frame-side transverse guide part.

Particular embodiments of the fitting assembly according to the first independent claim, and of the window or door according to the second independent claim are found in the dependent claims.

According to a dependent claim, the spring element according to the invention between the leaf-side transverse guide part and the fixed-frame-side transverse guide part is advantageously pre-tensioned due to the lift-off drive movement, with which the drive element of the lift-off drive is moved jointly with the leaf-side control element of the leaf lift-off controller attached to the drive element relative to the fixed-frame-side transverse guide part and the guide part-side control element provided on it. The lifting-off movement of the leaf relative to the fixed frame thus leads directly to the build-up of the pre-tension of the spring element between the leaf-side transverse guide part and the fixed-frame-side transverse guide part and thus to a play-free or play-reduced mounting, perpendicular to the frame main plane, of the leaf lifted off relative to the fixed frame during the shifting movement of the leaf along the longitudinal guide path.

According to another dependent claim, in a further advantageous embodiment of the invention the leaf-side transverse guide part is designed in several parts. During the lifting-off movement of the leaf, the leaf-side transverse guide part is guided by means of a base body to the fixed-frame-side transverse guide part. A spring support of the leaf-side transverse guide part, which is structurally separate from the base body, supports the spring element pre-tensioned between the leaf-side transverse guide part and the fixed-frame-side transverse guide part on one side. With a spring support of the type according to the invention, leaf-side transverse guide parts of conventional transverse guides for leaves able to be lifted off and parallel-shiftable leaves can be easily retrofitted for the use of spring elements according to the invention.

In the case of the fitting assembly according to the invention according to another dependent claim, the leaf-side control element of the leaf lift-off controller is designed as a guide follower movable along the frame main plane of the fixed frame, preferably as a control pin. The control link of the leaf lift-off controller is provided on the fixed-frame-side transverse guide part. In order to generate a lifting-off movement of the leaf perpendicular to the frame main plane, the control link extends in the direction of the lift-off drive movement of the leaf-side drive element of the lift-off drive with increasing distance from the frame main plane. In general, the course of the control link is selected in such a way that when the leaf is lifted off, the link follower and the control link do not carry out any relative movement in the longitudinal direction of the control link under the effect of the spring pretension that is then built up and, consequently, the leaf is not returned to its fixed-frame-side position.

In a preferred embodiment of the invention, a drive rod is provided as the leaf-side drive element of the lift-off drive for the leaf, which drive rod is moved on the leaf in a leaf-side guide groove with the lift-off drive movement along the frame main plane, preferably by means of a conventional operating handle of the fitting assembly according to the invention. On a leaf profile made of aluminum, the drive rod is guided at guide groove walls of the guide groove which guide groove walls are spaced apart perpendicularly to the frame main plane. On a leaf profile made of plastic or wood, the drive rod is guided on a faceplate which is connected to the leaf profile, preferably screwed thereto, and which is therefore attached to the leaf profile without any play in the transverse direction of the frame main plane. The pre-tensioned spring element between the leaf-side transverse guide part and the fixed-frame-side transverse guide part ensures, on the one hand, a play-free mounting of the leaf-side control element of the leaf lift-off controller on the guide-part-side control element perpendicular to the frame main plane and, in addition, perpendicular to the frame main plane a play-free mounting of the drive rod provided with the leaf-side control element on one of the guide groove walls of the leaf or on the faceplate connected to the leaf. The play-free mounting of the drive rod on the relevant guide groove wall of the leaf-side guide groove for the drive rod or on the faceplate results in a further reduction of the guide play of the leaf away from the fixed frame, which occurs perpendicular to the frame main plane when the leaf away from the fixed frame is moved with a shifting movement along the frame main plane. With appropriate geometry of the leaf-side control element and the guide-part-side control element of the leaf lift-off controller, play along the frame main plane and/or rotational play is also prevented between the leaf-side transverse guide part and the fixed-frame-side transverse guide part.

Conventional spring designs are particularly suitable for the spring element according to the invention. In the case of the inventive designs of further dependent claims, a helical and/or a leaf spring is provided as the spring element for the sake of simplicity. A leaf spring can be attached to a multi-part leaf-side transverse guide part according to another dependent claim, for example, by means of fastening screws, which then serve as a spring support.

In the following, the invention is explained in more detail on the basis of schematic illustrations given by way of example.

DETAILED DESCRIPTION OF EMBODIMENTS OF THE INVENTION

As shown inFIGS.1and5, a window1designed as a sliding window comprises a fixed frame2, a leaf3and a fitting assembly4arranged between the fixed frame2and the leaf3. An upper horizontal frame member5of the fixed frame2and an upper horizontal frame member6of a leaf frame7of the leaf3are shown.

By means of the fitting assembly4, the leaf3can be driven relative to the fixed frame2with a guided lifting-off movement in a lifting-off direction (arrow8) perpendicular to a frame main plane9of the fixed frame2indicated by dash-dotted lines inFIGS.1and5and can thus be lifted off from a position close to the fixed frame (FIG.1) to a position away from the fixed frame (FIG.5). In addition, the fitting assembly4makes possible a horizontal shifting movement of the leaf3when it is in the position away from the fixed frame. A shifting direction10of the leaf3directed into the drawing planes ofFIGS.1and5is indicated inFIG.5and extends perpendicular to the lifting-off direction8along the frame main plane9.

To implement the above-mentioned functions, the fitting assembly4comprises a transverse guide11, a lift-off drive12, and a longitudinal guide13.

The transverse guide11of the fitting assembly4is shown in detail inFIGS.2to4and6to8.

FIGS.2to4show the transverse guide11in a first functional state of the fitting assembly4, in which the leaf3assumes its position close to the fixed frame and is locked to the fixed frame2. InFIGS.6to8, the fitting assembly4and the transverse guide11are in a second functional state. In this second functional state of the fitting assembly4, the leaf3is unlocked from the fixed frame2and is lifted off in a position away from the fixed frame in the lifting-off direction8relative to the fixed frame2.

The transverse guide11of the fitting assembly4has a leaf-side transverse guide part14and a fixed-frame-side transverse guide part15. The leaf-side transverse guide part14is screwed to the leaf3by means of four fastening screws16(FIG.1). The fixed-frame-side transverse guide part15is provided with a guide roller17which can rotate about a roller rotation axis18extending parallel to the frame main plane9. By means of the guide roller17, the fixed-frame-side transverse guide part15is movably guided on a longitudinal guide path of the longitudinal guide13formed by a guide rail19in the shifting direction10of the leaf3. The guide rail19is connected to the fixed frame2.

Transverse edges20of the fixed-frame-side transverse guide part15extending in the lifting-off direction8are overlapped by the leaf-side transverse guide part14screwed to the leaf3. Due to the resulting dovetail-like guidance, the leaf-side transverse guide part14and with it also the leaf3are movably guided in the lifting-off direction8on the fixed-frame-side transverse guide part15.

A spring element is arranged between the leaf-side transverse guide part14and the fixed-frame-side transverse guide part15, which spring element in the case of the fitting assembly4according toFIGS.1to8is designed as a helical spring21.

A screw axis22of the helical spring21extends perpendicular to the frame main plane9. The helical spring21is mounted with one axial end on the fixed-frame-side transverse guide part15and with the other axial end on the leaf-side transverse guide part14. For this purpose, the leaf-side transverse guide part14has a spring support23which is mounted by means of fastening screws24to a base body25of the leaf-side transverse guide part14.

The lift-off drive12of the fitting assembly4serves to generate the lifting-off movement of the leaf3relative to the fixed frame2in the lifting-off direction8.

Details of the lift-off drive12can be found inFIGS.3and4for the functional state of the fitting assembly4illustrated inFIG.1and inFIGS.7and8for the functional state of the fitting assembly4shown inFIG.5.

The lift-off drive12comprises a drive rod26as a leaf-side drive element, which drive rod26, as shown inFIGS.1and5, is accommodated in the usual way in a fitting groove27. The fitting groove27extends on the leaf3in the circumferential direction of the rebate. As usual, the drive rod26is covered by a faceplate28screwed to the leaf3. The faceplate28is screwed to the frame member6of the leaf frame7. The drive rod26can be displaced relative to the faceplate28by conventional actuation of the handle (not shown) of the fitting assembly4with a lift-off drive movement. A direction29of the lift-off drive movement of the drive rod26directed into the drawing planes ofFIGS.1and5is illustrated inFIGS.1and5.

When moving in the direction29of the lift-off drive movement, the drive rod26is guided on the faceplate28. For this purpose, a shaft30riveted to the drive rod26of a control pin31attached to the drive rod26passes through a slot in the faceplate28extending in the direction29of the lift-off drive movement (FIG.5). The control pin31, which is radially extended relative to the shaft30, covers the longitudinal edges of the guide slot provided on the faceplate28for the shaft30and the drive rod26.

The control pin31forms a leaf-side control element of a leaf lift-off controller32of the lift-off drive12. The control pin31is mounted on the leaf3perpendicular to the frame main plane9via the shaft30and the faceplate28. The fitting groove27therefore forms a leaf-side guide groove for the drive rod26, while the groove walls33are provided as guide groove walls.

The control pin31provided as the leaf-side control element of the leaf lift-off controller32is associated with a control link34provided on the fixed-frame-side transverse guide part15as the guide-part-side control element.

The control link34extends on the fixed frame-side transverse guide part15in a longitudinal direction along the frame main plane9and has a link opening with link walls35which are spaced apart from one another perpendicular to the frame main plane9. When the fitting assembly4is mounted on the leaf3, the control pin31of the leaf-side drive rod26penetrates parallel to the frame main plane9into the guide opening of the control link34on the fixed-frame-side transverse guide part15. The control link34extends in the direction29of the lift-off drive movement of the drive rod26and of the control pin31with increasing distance from the frame main plane9.

FIG.4shows the position of the control pin31in the control link34in the functional state of the fitting assembly4illustrated inFIG.1. The leaf3is located opposite the fixed frame2in the position close to the fixed frame. The helical spring21provided between the leaf-side transverse guide part14and the fixed-frame-side transverse guide part15is relaxed. The control pin31is located in the control link34at the upper end of the link opening inFIG.4.

If, based on these conditions, the drive rod26is displaced relative to the leaf3in the direction29of the lift-off drive movement by actuation of the handle of the fitting assembly4, the leaf3will be unlocked from the fixed frame in the usual way. At the same time, the control pin31moves inside the control link34as a link follower from the position according toFIG.4to the position according toFIG.8. The control pin31drives the leaf3in the opening direction8via the drive rod26supported on the leaf3perpendicular to the frame main plane9. The leaf3and the leaf-side transverse guide part14screwed to it move relative to the fixed-frame-side transverse guide part15until the leaf3has reached its position away from the fixed frame shown inFIG.5. In the position away from the fixed frame, the leaf3is free from the fixed frame2. As a result, the leaf3can be displaced relative to the fixed frame2along the fixed-frame-side guide rail19in the shifting direction10.

Due to the movement of the leaf3and of the leaf-side transverse guide part14screwed to it, that is caused by the drive rod26and the leaf lift-off controller32, relative to the fixed frame-side transverse guide part15which is stationary during the movement of the leaf3and of the leaf-side transverse guide part14in the lifting-off direction8, the helical spring21is compressed between the leaf-side transverse guide part14and the fixed-frame-side transverse guide part15. The helical spring21is shown inFIG.6in the compressed and thus pre-tensioned state.

As a result of the pretension of the helical spring21, the control pin31is pressed against the link wall of the control link34in the direction of action (dashed arrow inFIG.8) of the compressed helical spring21. Due to the course of the part of the link wall35acted upon by the control pin31under the action of the compressed helical spring21, a play-free mounting of the control pin31on the transverse guide part15on the fixed-frame side, both perpendicular and parallel to the frame main plane9, results.

The play-free mounting of the control pin31on the fixed-frame-side transverse guide part15and the play-free mounting of the control pin31on the leaf3result, in combination, in at most a slight play of the leaf3perpendicular to the frame main plane9when the leaf3, which is lifted off into the position away from the fixed frame, is moved in the shifting direction10along the fixed-frame-side guide rail19. In addition, play along the frame main plane9and rotational play are prevented between the leaf-side transverse guide part14coupled to the control pin31via the leaf3and the fixed-frame-side transverse guide part15.

A transverse guide111of the fitting assembly4shown inFIGS.9and10differs from the transverse guide11according toFIGS.1to8only in that, instead of the helical spring21, a leaf spring121is provided as a spring element between the leaf-side transverse guide part14and the fixed-frame-side transverse guide part15. The leaf spring121is screwed to the base body25of the leaf-side transverse guide part14by means of fastening screws123. The fastening screws123therefore form a spring support of the modified leaf-side transverse guide part14.