EP0643191B1 - Sliding wing - Google Patents

Description

The present invention relates to an opening which can be operated by sliding inside a fixed or sleeping frame of a window, door or the like, mounted and immobilized in a wall or a similar support structure, said opening comprising two leaves, respectively a movable leaf and a fixed or semi-fixed leaf, arranged in the same plane in the extension of one another in the closed position of the window, and brought to juxtapose plane on plane, parallel to one the other in the open position.

More particularly, the invention relates to a mechanism which makes it possible, simultaneously with the sliding of the movable leaf in the frame to pass from the open position to the closed position of the window or vice versa, a displacement of this leaf perpendicular to its plane, in order to place it behind or in front of the fixed or semi-fixed leaf, also mounted inside this same frame.

We know in the art the traditional sliding sashes, comprising two leaves offset relative to each other in two neighboring and parallel but nevertheless separate planes, which introduces sealing problems and above all implies for the window in position closing a significant thickness, with the two leaves arranged in two separate planes, which affects the aesthetics of the whole.

Also known from European patent application EP-A-148 812, a sliding leaf of this type but improved so that in the closed position of the window, the two leaves are substantially in the same plane. However, in this embodiment, the movable leaf is brought, when the window opens, behind or in front of the semi-fixed leaf as a result of tilting in its plane, ensuring an offset of the mobile leaf vis-à-vis semi-fixed leaf at the end of this last, this tilting being effected around inclined bearing surfaces provided on the frame, before the movable leaf is gradually extracted from its housing inside the latter to finally be placed in front of or behind the other leaf.

But such an embodiment requires that the frame has a relatively large thickness or dimension in depth to accept this tilting and then straighten the position of the movable leaf, which is not desirable from the point of view of the external appearance of the window; in addition, the operation of the movable leaf requires exerting successive efforts to obtain its tilting at first, then its lateral displacement in a second, which also has drawbacks.

The present invention relates to a sliding leaf which allows, by a single lateral traction maneuver, to ensure the automatic disengagement of the movable leaf, following the usual gesture of opening a conventional leaf, so as to increase the performance of the opening, in particular with respect to water and air tightness and insulation between the interior and exterior of the window, by further improving the aesthetics of the latter.

To this end, the sliding leaf considered, comprising a movable leaf and a fixed or semi-fixed leaf of the same dimensions, housed in a fixed or standing frame, comprising two parallel rails extending over the entire length of the frame, which corresponds at the sum of the widths of the two leaves, so that these, when they are arranged side by side in one of the two rails, are located in the same plane while completely closing the frame, is characterized in that the two rails communicate, substantially in their median region along the length of the chassis, using a crossing switch for a cam roller, provided with a stud engaged in a receiving housing provided at the base of the movable leaf, the two rails each comprising, in line with the switch, two internal wedges in the form of parallel bars in relief, and an intermediate guide, of height greater than that of the bars, the roller having two superimposed stages each provided with a profiled ramp, adapted respectively to cooperate with the internal bars on the one hand, with the intermediate guide on the other hand, in order to make slide and pivot the cam roller from one rail to the other at the crossing of the switch.

Preferably, the cam roller has a slot in its lower stage, in which is housed a support wheel on the bottom of the rails, this wheel being movable in rotation on a horizontal axis mounted transversely inside the slot. .

According to a particular characteristic, the intermediate guide has, in line with the crossing switch, an inclined bearing, suitable for cooperating with a bearing surface formed in the upper stage of the roller.

Advantageously, the lower stage of the cam roller has a rounded edge, with a large radius of curvature, capable of cooperating during the passage through the switch with the ends of the bars mounted in the rails.

According to another preferred characteristic, the lateral end of the rail which receives the movable leaf in the closed position of the window, comprises, opposite the crossing switch, a stop plate having an inclined face cooperating with a second roller, comprising a single stage, corresponding to the second stage of the first cam roller and also having a rounded edge with a large radius of curvature, cooperating with the inclined face of the plate.

According to yet another preferred characteristic, the two rollers comprise, opposite their rounded edges, a straight part for guiding these rollers in the rails.

• La Figure 1 est une vue schématique en élévation d'un ouvrant coulissant selon l'invention, montrant la position relative des deux vantaux lors de l'ouverture de la fenêtre.
• La Figure 2 est une vue également schématique mais de dessus de l'ouvrant considéré, permettant de préciser le principe du déplacement du vantail mobile à l'intérieur du châssis fixe.
• Les Figures 3 et 4 sont des vues en coupe longitudinale partielles, à plus grande échelle, des deux vantaux de l'ouvrant, au droit des rails de guidage du châssis, illustrant plus particulièrement la structure des moyens permettant le déplacement du vantail mobile, celui-ci étant représenté sur la Figure 3 en position de fermeture de la fenêtre et sur la Figure 4 en position d'ouverture.
• La Figure 5 est une vue de détail en perspective, représentant le premier galet-came utilisé pour permettre le débattement du vantail mobile dans les rails du châssis.
• La Figure 6 est une vue en coupe transversale du galet-came de la Figure 5, représenté monté dans les rails du châssis.
• La Figure 7 est une vue en coupe des rails du châssis selon la ligne VII-VII de la Figure 3.

Other characteristics of a sliding leaf with co-planar leaves, established in accordance with the invention, will become more apparent from the following description of an exemplary embodiment, given by way of non-limiting example, with reference to the accompanying drawings. on which ones :

• Figure 1 is a schematic elevational view of a sliding leaf according to the invention, showing the relative position of the two leaves when the window is opened.
• Figure 2 is a view also schematic but from above of the opening considered, to clarify the principle of movement of the movable leaf inside the fixed frame.
• Figures 3 and 4 are views in partial longitudinal section, on a larger scale, of the two leaves of the opening, in line with the guide rails of the frame, illustrating more particularly the structure of the means allowing the movement of the mobile leaf, that -ci being shown in Figure 3 in the closed position of the window and in Figure 4 in the open position.
• Figure 5 is a detailed perspective view showing the first cam roller used to allow the movement of the movable leaf in the chassis rails.
• Figure 6 is a cross-sectional view of the cam roller of Figure 5, shown mounted in the chassis rails.
• Figure 7 is a sectional view of the chassis rails along line VII-VII of Figure 3.

In Figures 1 and 2, the reference 1 designates quite generally, the frame or fixed frame of a window, door or the like, this frame being immobilized in itself known in the art using usual means which matter little to the present invention, inside a wall 2 or a similar support structure.

Inside the fixed frame 1, is mounted the opening 3 of the window, consisting of two leaves 4 and 5 respectively, the leaf 4 being movable in the frame, while the leaf 5, fixed or semi-fixed, is immobilized inside of it, for example in the position illustrated in the Figures.

The movable frame 4 is arranged coplanarly and in the extension of the semi-fixed leaf 5 in the closed position of the window, as shown in FIG. 2, the movable frame being shown diagrammatically in dashed lines. On the other hand, in the open position, the movable leaf 4 is first of all subjected to a displacement perpendicular to its plane inside the chassis 1, before it is moved parallel to itself in order to be disposed behind the semi-fixed leaf 5, the mobile leaf 4 being this time shown in FIGS. 1 and 2 in solid lines in this position.

Note that the semi-fixed leaf 5, in the previous position, can if necessary be unlocked with respect to the chassis and possibly be moved therein to come and occupy the initial place of the mobile leaf if necessary.

The invention makes it possible, by exerting on the movable leaf 4 the ordinary effort of lateral displacement of the latter inside its chassis, firstly its depth offset obtained automatically then its transverse movement for pass from the open position to the closed position, or vice versa with in this case, first a transverse movement, then at the end of the movement a movement perpendicular to itself, bringing it back in the plane of the semi-fixed leaf .

To this end and as illustrated in FIGS. 3 and 4, the lower part of the chassis 1 is arranged so as to comprise two parallel guide rails, extending along the longitudinal dimension of the two leaves, these rails respectively designated in Figures 3 and 4 under references 6 and 7, extending over the entire length of the chassis.

Inside the preceding rails are mounted bars of limited length, arranged in these rails parallel to the longitudinal dimension of the latter, these bars respectively 8 and 9 inside the rail 6, 10 and 11 in the rail 7, thus being parallel to each other and immobilized against the bottom of the rails by means of screws 12, the heads of which are housed in corresponding bores of these bars so as not to be flush with the outside and in particular above the latter.

The bars 8, 9 on the one hand, 10 and 11 on the other hand, are respectively separated inside the rails in which they are arranged by a spacing space 13 on the one hand, 14 on the other hand, whose transverse dimension is slightly greater than that of a roller 15 mounted freely in rotation about an axis 16, itself supported by a part 17, called cam roller, of which Figures 3 to 6 illustrate more particularly the structure .

This cam roller 17 is composed in particular of two superimposed stages 18 and 19 respectively, the stage 18 extending transversely, being situated substantially at the height of the bars 8 and 9 or 10 and 11 depending on whether the roller is in one or the other of the two rails 6 or 7, as shown in particular in the sectional view of FIG. 6, this stage 18 being also slightly raised relative to the bottom of the chassis 1 on which the caster 15 moves.

The first stage 18 has externally a rounded edge 20 with a large radius of curvature, the profile of which is provided to allow, by cooperation with inclined bearing surfaces 21 in the form of a chamfer, formed at the ends substantially opposite the bars 8 and 9 on the one hand, 10 and 11 on the other hand, a progressive pivoting of the cam roller 17 when the latter passes through a communication switch 22. Preferably, the bearing surfaces 21 form with the direction of the rails an angle of approximately 45 °.

The switch 22 is provided substantially in the middle part of the chassis and is in the form of a sort of connecting corridor between the two rails 6 and 7, with a width approximately equal to that of these rails and an orientation at an angle. , with an angle on the longitudinal direction of the chassis 1 equal to that of the bearing surfaces 21.

Behind the edge 20, the first stage 18 of the cam roller 17 has two inclined faces 23 and 24 respectively and, opposite this edge 20, a straight portion 25 whose slope is identical to that of the bearing surfaces 21 provided at the ends of the bars, when the cam roller is in the position illustrated in FIG. 3.

The switch 22 corresponds to an opening for the passage of the cam roller 17 from one rail to the other, so as to allow the movable leaf 4 to move perpendicular to its own plane when the opening is opened. , before it moves behind the semi-fixed leaf 5 in the manner explained below, the crossing of this switch by the roller 17 taking place in particular thanks to the relative cooperation, on the one hand of the rounded edge 20 successively with the inclined end bearing surfaces 21 facing the bars 8 and 9 of the rail 6, on the other hand of the straight part 25 with the same inclined bearing surfaces 21 but of the bars 10 and 11 of the other rail 7.

The stage 19 of the cam roller 17, extending above the stage 18 and therefore above the upper level of the bars 8, 9 on the one hand, 10, 11 on the other hand, is provided to cooperate in turn with an intermediate guide 26, mounted in the chassis 1 so as to separate the rails 6 and 7. substantially in the middle of the width of the latter.

The guide 26 extends over practically the entire length of the chassis 1, except in its central region to the right of the switch 22 and also at the end of the chassis located on the left in the drawings in the example shown. The height of this guide 26 is greater than that of the bars 8 to 11, as illustrated more particularly in FIG. 7.

At its upper part, the cam roller 17 comprises a stud 27 suitable for engaging in a fitting 28 provided at the lower part of the movable leaf 4 (see FIG. 6), the mounting of this stud thus allowing the free movement of the roller cam relative to the leaf, in particular when crossing the switch 22, the roller according to the profile of this switch passing from the rail 6 to the rail 7 or vice versa, while the movable leaf remains permanently parallel to itself .

Advantageously, the movable leaf comprises at its upper end a similar guide means (not shown), moving in a guide or rail of the same profile provided at the upper part of the fixed frame.

The equipment of the chassis 1 and of the movable leaf 4 is completed by having at the end of the rail 6 located on the left in FIG. 3 in particular, a triangular shaped plate 29, immobilized against the bottom of the rail by screws 30, this plate having an inclined face 31 extending inside the adjacent rail 7, beyond the end 32 of the intermediate guide 26.

The movable leaf is moreover provided, with an assembly identical to that described in relation to the cam roller 17 with a second roller 33 which essentially differs from the first in that it does not include any part similar to that which forms in the cam roller 17 the stage 18, this roller 33 taking up only the profile of the second stage 19 with a rounded edge 34, an inclined face 35 and a straight part 36 opposite the rounded edge 34. In addition, the distance which separates the lower face of this second roller 33 from the plane of the rail 6 or 7 is such that this roller, during the displacement of the movable leaf 4, passes over the bars 8, 9 on the one hand, 10, 11 d 'other hand, unlike the cam roller 17 which, as already specified, cooperates with the sides of these bars by being guided by them in the movement of movement of the movable leaf.

The operation of the opening according to the invention and in particular of its movable leaf 4, by sliding it inside the chassis 1, is easily deduced from the above description.

In the position illustrated in Figure 3, the leaf 4 is in the closed position, being housed in the rail 7 of the chassis in the extension of the semi-fixed leaf 5, while, in Figure 4, this same movable leaf 4 is brought into the opening position of the opening, being located in the rail 6 behind the semi-fixed leaf.

The passage from one position to the other is carried out by exerting on the movable leaf 4 a simple lateral displacement effort from its position illustrated in FIG. 3.

In the latter, the cam roller 17, by its first stage 18 has its rounded edge 20 in contact with the chamfer 21 of the bar 9, while its straight part 25 is also in contact with the parallel chamfer of the bar 11. At the opposite end of the leaf, the second roller 33 likewise has its rounded edge 34 in contact with the inclined part 31 of the plate 29.

As soon as the opening force is applied to the leaf 4, the cam roller 17 engages in the switch 22, the rounded edge 20 of its first stage 18 sliding on the chamfer 21 of the bar 9 then, at beyond, on that of the bar 8 in the rail 6, the latter chamfer being preferably itself rounded in its terminal portion 37 of so as to facilitate the pivoting of the cam roller 17 which is thus introduced into the rail 6. Simultaneously, the second stage 19 follows the profile of the intermediate guide 26 passing over the bars, the conjunction of the effects of the two stages of the roller-cam thus allowing the pivoting and the continuous guidance of the roller.

Concomitantly, the second roller 33 slides along the inclined face 31 of the plate 29 until its right part 36 has also crossed the end 32 of the same intermediate guide 26 in the opposite part, to the left of the frame. In this movement and because of the greater height of the roller 33 above the bottom of the rails, it passes over the bars 8, 9, 10 and 11, without risk of being blocked by the latter.

The rollers 17 and 33 are then located in the position illustrated in Figure 4, the movable leaf 4 which they support having moved by the rollers 15 of its rollers rolling on the bottom of the chassis, this time being located behind the semi-fixed leaf 5. The movement of the mobile leaf then continues in the rail 6, to the fully open position, the caster 15 of the second roller engaging in the end of travel in the space 13 between the bars 8 and 9.

During the crossing of the switch by the first roller 17 on the one hand, of the displacement along the inclined face 31 of the plate 29 by the second roller 33 on the other hand, these rollers pivot freely around the axis vertical of their support pins 27 of the movable leaf, while the latter remains permanently parallel to itself. Of course, when the movable leaf moves in the opposite direction, to pass from the open position of Figure 4 to the closed position of Figure 3, the movements of both the roller and the leaf are reversed but with an identical sequence in their respective movements.

This produces a set of simple design but which has particularly appreciable advantages, both with regard to the ease of manufacture and assembly of the necessary parts, and of the implementation of the movable leaf once mounted in its chassis, the disengagement of this leaf being carried out only under the effect of an effort in its plane, without requiring any oblique movement to move it from one rail to another.

Of course, it goes without saying that the invention is not limited to the embodiment more specifically described above and shown with reference to the accompanying drawings; on the contrary, it embraces all the variants covered by the claims.

In particular, it should be understood that the opening under consideration conventionally comprises means of the type of seals making it possible to seal the window in the closed position, these seals being carried by the movable leaf and the semi-fixed leaf. , by coming to bear on a peripheral beat of the chassis in itself usual manner, without interfering with the opening or closing movement of the window. Likewise, the two leaves of the latter can advantageously be equipped with an appropriate locking mechanism. Finally, they have at their upper part, inside the fixed frame 1, rollers or pads, symmetrical to those carried by these leaves at their lower part but without guide rollers.

It will also be noted that the exemplary embodiment envisaged provides for a displacement of the movable leaf for the opening of the window, from left to right in the drawings. To obtain reverse operation with an opening from right to left, it suffices to reverse the position of the bars in the rails, the crossing switch being then itself oriented symmetrically with respect to that provided in the example above.

Whatever the variant provided, and in accordance with the example described, provision has been made for the rollers 17 and 33 to move on the bottom of the rails 6 and 7 by means of a single roller 15, free to rotate around the axis 16 carried by each of these rollers. However, when the load constituted by the movable leaf is greater, in particular because of the dimensions of this opening, it is advantageous to double the caster by means of two neighboring elements arranged on the same axis and driven simultaneously in rotation with the movement of the opening. The two rollers thus supported by each roller can be placed side by side in the same recess of the roller, or if necessary be placed in two neighboring recesses.

Finally and in the above description, it has been specified that, once the movable leaf moved and brought from the rail 7 containing the semi-fixed leaf into the rail 6 to be behind the latter, it is possible to move this semi-leaf laterally fixed in the rail 7. In this case, this semi-fixed leaf is also provided with rollers shown schematically in Figures 3 and 4, the latter being advantageously carried by rollers similar to that designated under the reference 33 for the movable leaf 4, that is to say whose height is determined so that these rollers pass over the bars 8 to 11, without risk of blockage by the latter.

Claims (7)

1. Coplanar sliding wing for a window, door or the like, including a mobile leaf (4) and a fixed or semi-fixed leaf (5) of the same dimensions, which are housed in a fixed frame or opening-lining (1), comprising two parallel rails (6, 7) extending along the entire length of the frame, which corresponds to the sum of the widths of the two leaves, so that these leaves, when arranged side by side in one of the two rails, lie in the same plane, completely filling the frame, characterized in that the two rails communicate, substantially in their middle region along the length of the frame, by means of a cross-over (22) for a cam/runner (17) equipped with a stub (27) engaged in an accommodating housing provided at the base of the mobile leaf, the two rails each including, in line with the cross-over, two internal packing pieces in the form of projecting parallel thin strips (8, 9 - 10, 11) and an intermediate guide (26) which is taller than the thin strips, the runner having two superposed stages (18, 19) each fitted with a profiled part capable respectively of interacting with the internal thin strips on the one hand, and with the intermediate guide on the other hand, so as to make the cam/runner slide and pivot from one rail to the other at the cross-over point.
2. Sliding wing according to Claim 1, characterized in that the cam/runner (17) has a slot formed in its lower stage (18), housed in which slot is a small roller (15) for resting on the bottom of the rails (6, 7), it being possible for this small roller to move in rotation on a horizontal axle (16) mounted transversely inside the slot.
3. Sliding wing according to either of Claims 1 and 2, characterized in that the intermediate guide (26) has, in line with the cross-over point (22), an inclined bearing surface capable of interacting with the bearing surface formed in the upper stage of the runner (17).
4. Sliding wing according to any one of Claims 1 to 3, characterized in that the lower stage (18) of the cam/runner (17) has a rounded edge (20) with a large radius of curvature capable of interacting, when passing through the cross-over, with the ends (21) of the thin strips (8, 9 - 10, 11) mounted in the rails (6, 7).
5. Sliding wing according to any one of Claims 1 to 4, characterized in that the lateral end of the rail (7) which takes the mobile wing when the window is in the closed position includes, opposite the cross-over point (22), a stop plate (29) which has an inclined face (31) interacting with a second runner (33), having a single stage, corresponding to the second stage of the first cam/runner (17) and also having a rounded edge (34) with a large radius of curvature interacting with the inclined face of the plate.
6. Sliding wing according to Claim 5, characterized in that the two runners (17, 33) include, opposite their rounded edges (20, 34), a straight part (25, 36) for guiding these runners in the rails.
7. Sliding wing according to any one of Claims 2 to 6, characterized in that the small rollers (15) for resting on the bottom of the rails (6, 7) are duplicated depending on the load they have to support.

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