EP0436452A2 - Door or window fitting, comprising means for holding the wing in open position - Google Patents

Abstract

A fitting (1) for a door, window or the like (2), comprises locking means (6) provided with at least one operating rod (9) allowing actuation of means (18) of blocking, in terms of rotation, the opening panel (4) in various angular positions with respect to the fixed frame (3), these means (18) being constituted by at least one blocking member (27) and one complementary element (28), of which one is rendered integral with an extension (22) of the said operating rod (9) and the other is rendered integral with the fixed frame (3). <??>In fact, according to the invention, the blocking member (27) and the complementary element (28) of the said blocking means (18) are located on the axis or rotation (19) of the opening panel (4) and each comprise crenellations (37; 40) intended to cooperate with each other when the locking means (6) are being controlled, the said blocking member (27) furthermore comprising linking means intended to render it integral, either with the frame, or with the operating rod (9) and with respect to which it can move with a travel (45) of length at least equal to the height (46) of its crenellations (37), this locking member (27) also being subjected to elastic return means (47) intended to push it back in the direction of the complementary element (28), the latter also being provided such that it rotates about the axis of rotation (19) and comprising braking means allowing this pivoting only by the application of a driving torque of variable intensity. <IMAGE>

Description

The invention relates to a fitting for a door, window or the like according to the preamble of main claim 1.

In general, fittings for doors, windows or the like, comprise articulation means ensuring the pivoting connection of the leaf to the frame, at their rear uprights. These fittings are further provided with locking means, one of the functions of which is to keep the door closed on the frame or, on the contrary, to authorize the opening of the door, window or the like. In certain cases, these locking means also have the function of allowing the selection of the opening mode of the opening, for example, in the French style or by folding down.

Thus, said locking means usually consist of a control mechanism on which the user intervenes, by means of either a control button or a key element, for the purpose of actuate a locking element or one or more operating rods acting on several locking elements, simultaneously. In the latter case, it is frequent to have said operating rods in a groove made at the periphery of the opening. As for the locking elements, these are brought to cooperate with keepers arranged in concordance on the fixed frame.

The selection of the mode for opening the door, window or the like is frequently obtained by means of said operating rods. These intervene, then, on the articulation means, and more particularly, on the compass bearing ensuring the high connection between the sleeping frame and the opening and possibly authorizing the tilting, around a horizontal axis, of the last.

It is thus understood that such fittings allow convenient manipulation of the door, window or the like. however, it will be noted that if it is easy to lock the opening against the sleeping frame, the user encounters some difficulties in ensuring that the door or window is kept in the open position. In fact, a lesser draft can again close the latter or give the opening, a certain flapping and, under these conditions, the noise caused by the collision with the sleeping frame can be particularly annoying.

Thus, we also know, from document DE-C-342.261, a fitting for a door, window or the like comprising locking means composed of a control mechanism located on the front upright of said window and of operating rods s extending on either side of this control mechanism.

In fact, this fitting is also provided with means intended to block the rotation of said window in different angular positions.

These means consist, more particularly, of a housing attached to the sleeping frame and, more precisely, near the axis of rotation of the window. Inside this housing slides, vertically, at its lower face, a locking member constituted by a disc comprising, at its lower face, a series of bosses intended to cooperate with a screw passing through said housing, this in order to block said window from rotating.

Note that said blocking member is made integral with a control rod extending vertically and above the aforementioned housing and comprising its upper part, made integral, by means of an appropriate connection, with the rear end d 'a tilting lever. More specifically, the latter is pivotally mounted about a horizontal axis and by means of a yoke on the upper upright of said window or the like. Its front end is, moreover, made integral with the upper end of the operating rod extending above the control mechanism.

Thus, under the action of the latter in the event of an opening command, said operating rod is lowered, which results in an upward movement being imparted to the control rod corresponding to the rotation locking means. The blocking member, in the form of a disc provided with bosses then comes to rise in its housing and, finally, to disengage from the screw passing through the latter. Note, moreover, the presence elastic return means interposed between the upper flange of the housing and said locking member, this in order to push back, the latter in the direction of said screw. In fact, such elastic return means tend to facilitate the operation consisting, through the control mechanism, of blocking the window in rotation or the like.

In fact, although such means for blocking the opening in rotation relative to the sleeping frame have the advantage of easy and easy control through the locking means of the door or window; they nevertheless have a certain number of drawbacks.

In particular, when these rotation locking means are brought into the active position, it is of course no longer possible to close the opening without having actuated said locking means beforehand. However, if inadvertently, an attempt is made to close the door or window under these conditions, this inevitably leads to deterioration of the fitting.

Furthermore, it should be noted that in the case where the locking means are actuated while the recesses, defined by the bosses with which the disc constituting the locking member is fitted, are not located in line with the screw passing through the housing in which this blocking member slides, the action on said locking means cannot be complete, but above all, it will not lead to the expected result. Also and following the departure of the person who operated the door or window, this person will continue to beat as before. The solution, in this case, consists, of course, in finding the angular position of the opening in which it can be locked in rotation through the means described above. In fact, this operation is long and the user will only seek to use the locking means occasionally.

• a) l'organe de blocage et l'élément complémentaire se situent sur l'axe de rotation de l'ouvrant et comportent, chacun, des créneaux destinés à coopérer entre eux en cas de blocage en rotation de l'ouvrant, commandé par les moyens de verrouillage;
• b) ledit organe de blocage comporte des moyens de liaison aptes à le rendre solidaire, soit du dormant, soit d'un prolongement de la tringle de manoeuvre et lui autoriser une course, sur l'axe de rotation de l'ouvrant et par rapport au dormant ou au prolongement de la tringle de manoeuvre, de longueur au moins égale à la hauteur de ses créneaux, cet organe de blocage étant soumis, également, à des moyens de rappel élastique destinés à le repousser en direction de l'élément complémentaire;
• c) l'élément complémentaire comporte des moyens de liaison destinés à le rendre solidaire, soit du dormant, soit dudit prolongement de la tringle de manoeuvre, et présentant d'une part, des moyens permettant le pivotement autour de l'axe de rotation de l'ouvrant, dudit élément complémentaire et, d'autre part, des moyens de freinage n'autorisant ce pivotement que par application d'un couple d'entraînement d'intensité variable.

Thus, the present invention aims to remedy all of the aforementioned drawbacks. The invention, as characterized in claim 1, solves the problem and, for this, consists of a fitting for door, window or the like comprising locking means provided with at least one operating rod allowing '' actuate means to block rotation, in different angular positions, the opening relative to the sleeping frame, these means being constituted by at least one blocking member and an additional element, one of which is made integral with the sleeping frame, in addition:

• a) the locking member and the complementary element are located on the axis of rotation of the opening and each comprise slots intended to cooperate with each other in the event of the rotation locking of the opening, controlled by the locking means;
• b) said blocking member comprises connecting means capable of making it integral either with the frame or with an extension of the operating rod and allowing it to run on the axis of rotation of the opening and relative to the frame or to the extension of the operating rod, of length at least equal to the height of its slots, this blocking member also being subjected to elastic return means intended to push it back in the direction of the complementary element;
• c) the complementary element comprises connecting means intended to make it integral, either with the frame, or with said extension of the operating rod, and having, on the one hand, means allowing the pivoting around the axis of rotation of the opening, of said complementary element and, on the other hand, braking means authorizing this pivoting only by application of a drive torque of variable intensity.

In fact, thanks to the particular characteristics of these blocking means, these are of very convincing interest compared to known means in the sense that the user will not hesitate to use them as frequently as possible.

Furthermore, through the present invention, these blocking means are particularly safe and reliable. Indeed, even in the case where the blocking member would not be able to cooperate with the complementary element through their respective slots, the operation on the locking means can be done completely. It will then suffice, a lesser angular displacement of the opening, caused, for example, by a current of air, for, finally, said member to blocking and, in particular, its slots are pushed into those of the complementary element by means of elastic return means and that one obtains, thus, the desired immobility of the opening.

• la figure 1 représente une vue schématisée et en plan d'une fenêtre équipée d'une ferrure conforme à l'invention;
• la figure 2 représente une vue schématisée et en coupe selon II-II de la figure 1;
• la figure 3 représente une vue schématisée et en coupe partielle des moyens de blocage en rotation de l'ouvrant par rapport au cadre dormant, lesdits moyens étant illustrés dans une position hors d'usage;
• la figure 4 représente une vue schématisée et en élévation des moyens de blocage, ramenés dans leur position active;
• la figure 5 est une vue similaire à la figure 4, les moyens de blocage assurant l'immobilité en rotation de l'ouvrant par rapport au cadre dormant.

The present invention will be better understood by referring to the attached drawing.

• Figure 1 shows a schematic plan view of a window fitted with a fitting according to the invention;
• Figure 2 shows a schematic sectional view along II-II of Figure 1;
• FIG. 3 represents a diagrammatic view in partial section of the means for blocking the opening in rotation relative to the frame, said means being illustrated in an out-of-order position;
• FIG. 4 represents a diagrammatic view in elevation of the locking means, brought back to their active position;
• Figure 5 is a view similar to Figure 4, the locking means ensuring the immobility in rotation of the opening relative to the frame.

The present invention, as shown in FIG. 1, relates to a fitting 1 for door, window and the like 2, which decomposes into a frame 3 and an opening 4.

In fact, this fitting 1, apart from the articulation means (not shown) connecting this opening 4 to the sleeping frame 3, comprises locking means 6. These consist of a control mechanism 7 generally integrated in the upright front 8 of the opening 4 and on which the user can intervene by means of a button or a control handle.

This locking mechanism 6 is provided, in addition, with one or more operating rods 9, 10 possibly inserted in a groove 11 (see FIG. 2) arranged at the periphery 12 of the opening 4, these operating rods intervening, by example, on locking elements 13, such as rollers, bits or the like, capable of cooperating with strikes 14, arranged, in concordance, on the standing frame 3.

Note, moreover, that the actuation of the operating rods 9, 10, via the control mechanism 7 can also authorize the selection of the opening mode, for example, by folding down or in the French way, of the door, window or the like. These operating rods 9 act under these conditions, in particular on the articulation means arranged in the upper corner 15 of said door or window. Also, it is frequent to extend said operating rod 9 at the level of the upper cross member 16 of the opening member 4 through an angle gear 17.

The present fitting 1 further comprises and as shown in the various figures, blocking means 18 capable of being actuated by means of the locking means 6, for the purpose of immobilizing in rotation and in an angular position. any, opening 4 relative to the sleeping frame 3.

Such locking means 18 thus make it possible to prevent the opening 4 from closing on the sleeping frame 3 without this being the will of the user.

Advantageously, these locking means 18 are located on the axis of rotation 19 of the opening 4 and preferably consist of two separate parts 20, 21, located in the same axial extension and one of which 20 is made integral with an extension 22 of the operating rod 9 at the rear upright 23 of said opening 4, the second part 21 being attached to the frame 3 and coming to cooperate with the previous one 20 when it comes to guaranteeing the holding in the ajar position of the door, window or the like.

Thus, these blocking means 18 consist of a blocking member 27 made integral with the aid of appropriate connecting means 24, either of the frame 3, or of the extension 22 of the operating rod 9. Furthermore, said locking means 18 comprise an additional element 28 which, as the case may be, will be fixed, also by means of appropriate connecting means, either at the level of said extension 22 of the operating rod 9, or on the frame 3.

The different figures of the drawing sheet attached in the appendix, are attached to an embodiment according to which the locking member is, more particularly, made integral with the extension 22 of the operating rod 9, while the complementary element is located on the frame of the door or window. The following description will relate to such an embodiment. However, it should at all times be borne in mind that it is possible to obtain a reverse arrangement of this blocking member 27 and of the complementary element 28.

Thus and under these conditions, the connecting means, connecting said blocking member 27 to this extension 22 of the operating rod 9, are preferably constituted by a knuckle 24 made integral by means of a blade 25, said extension 22 of the operating rod 9. This knuckle 24 has a central bore 26 of axis coincident with the axis of rotation 19 of the opening 4.

In the alternative, it will be noted that, as illustrated in FIG. 2, the opening 4 may be partially overlapping the sleeping frame 3 and, in this case, has a peripheral flange 29 applied, in the closed position , on the internal face 30 of the sleeping frame 3.

Also, it is recommended, under these conditions, to give the blade 25, a square shape so as to define two wings 31, 32, one of which 31 is attached to the extension 22 of the operating rod 9 and, this, by means of connecting members 33 passing through an oblong lumen 34 arranged in a headrest 35 covering the peripheral groove 11. The other wing 32 of this blade 25 emerges, for its part, from the rebate of the door, window or the like, so as to position the knuckle 24 with which it is provided on the axis of rotation 19.

As for the locking member 27, this is preferably in the form of a disc 36 provided with slots 37 and made integral with the end 38 of an axis 39 capable of sliding in the bore 26 of the knuckle 24. Thus, by actuating the control mechanism 7 so as to bring it back to the locked position, the extension 22 of the operating rod 9 comes to drop, thereby causing the knuckle 24. This results in the cooperation of the slots 37 of the disc 36 with the slots 40 of a second disc 41 corresponding to the element complementary 28 which is located, precisely, in the same axial extension and, therefore, on the axis of rotation 19 of the opening 4.

However, and as illustrated in FIG. 4, the slots 37, 40, respectively, of the locking member 27 of the complementary element 28, are not systematically in alignment with one another when the user manipulates the locking means 6 to immobilize the opening 4 in the ajar position. However, in these conditions, the desired objective, namely, the immobility of the opening relative to the sleeping frame, is in no way achieved. Furthermore, when this situation arises when locking the door, window or the like, it is a question of preventing the action on the control mechanism 7 from being limited due, precisely, to the superposition of the slots 37, 40 from which would result, finally, a partial locking of this door, window or the like.

In order to remedy the aforementioned drawbacks, said blocking member 27 is authorized, through its connecting means 24 which come to connect it either to the frame 3, or to the extension 22 of the operating rod 9, to move according to a stroke 45, on the axis of rotation 19 of the opening 4 and this, relative to the frame 3 or to said extension 22 of the operating rod 9. The length of this stroke 45 is at least equal to the height 46 of slots 37 of this locking member 27. As for the mobility of the latter through said connecting means, it is obtained, more particularly, by the sliding mounting of the pin 39, corresponding to this locking member 27, in the bore 26 of knuckle 24. In addition, the disc 36, provided with slots 37 and composing this locking member 27 respects with face 44 of this knuckle 24, a gap 45 at least equal to the height 46 of slots 37, gap from which follows precisely the authorized travel of this t locking member 27, either relative to the frame 3, or relative to the extension 22 of the operating rod 9.

Note, moreover, the presence of elastic return means 47 intended to push this locking member 27 in the direction of the complementary element 28 and, therefore, to keep the disc 36 apart from the knuckle 24.

As shown in Figure 2, these elastic return means 47 are preferably formed by means of a helical spring engaged on the axis 39 and cooperating, at its ends, on the one hand, with the disc 36 and, on the other hand, with a flange 49 which comes to close the bore 26 of the knuckle 24, at one of its ends and in the case of the embodiment illustrated in the figures, at its the top part.

Thus, starting from the unlocked position, as shown in FIG. 3, the user actuates the control mechanism 3 from which results a stroke 50 of the operating rod 9 reflected at the level of the extension 22 and thereby on the blocking member 27 which comes closer to the complementary element 28.

In the case where the slots 37 and 40 of the discs 36 and 41 respectively do not fit into each other, situation illustrated in FIG. 4, the stroke 50 of the operating rod 9 is greater than the difference 51 respected between the tops of said slots 37 and 40. These then come to push back the first causing, on the one hand, the approximation of the disc 36 of the face 44 corresponding to the knuckle 24 and, this, according to the race 45 and, on the other hand , the compression of the elastic return means 47. A smaller rotation of the opening 4 relative to the sleeping frame 3, of amplitude corresponding to the initial angular offset of the slots 37 and 40 results in the engagement of the latter in the others and the immobilization in rotation of this opening relative to said sleeping frame.

This situation is illustrated, more particularly, in FIG. 5.

Thus, when ordering the closing of the door, window or the like, the user must actuate the control mechanism 7 in order to return it to its unlocked position before controlling the rotation of the door 4. However, this user can , inadvertently, attempt to drive the opening 4 in rotation before even having unlocked the control mechanism 7. However, such an action must not have the consequence, the deterioration of any component of the fitting 1. Thus and according to another characteristic of the present invention, said locking means 18 are, in made, in the form of braking means in rotation of the opening 4 relative to the sleeping frame 3.

More precisely, the connecting means 43 of the complementary element 28 making it possible to make the latter integral, either of the frame 3, or of the extension 22 of the operating rod 9, comprise, on the one hand, means allowing the pivoting of this complementary element 28 around the axis of rotation 19 corresponding to the opening 4 and, on the other hand, braking means allowing this pivoting only by application of a drive torque whose intensity can be varied.

Thus and according to a preferred embodiment, said connecting means are constituted by a knuckle 43 fixed, according to the embodiment shown in the drawings, on the internal face 30 of the rear upright 23A corresponding to the sleeping frame 3. Of course and such as already specified above, this knuckle 43 can be made integral with the extension 22 of the operating rod 9 in the event of an inverted arrangement.

Furthermore, the disc 41, provided with its slots 40 and constituting the complementary element 28, is provided with a frustoconical base 52 tightening on an axis 53 passing through a bore 54 formed in said knuckle 43. This axis 53 cooperates, at level of its free end emerging from said knuckle 43, with fixing members 56 such as nuts or the like capable of retaining it engaged in said knuckle 43. Note, moreover, that the frustoconical base 52 comes to cooperate, such a valve with its seat, with a mouth 55 of frustoconical shape arranged at the bore 54.

Thus, by acting on said clamping members 56, it is possible to reduce or on the contrary increase the pressure according to which the frustoconical base 52 rests on the frustoconical mouthpiece 55. In reality, the torque that it is necessary to apply to the disc 41 and, consequently, to the complementary element 28 to obtain the rotation thereof is directly proportional to this tightening intensity.

However, it will be noted that in the case where the knuckle 43 and the complementary element 28 are designed in a metallic type material, this adjustment can prove to be particularly difficult. Also, it is recommended under these conditions to interpose, between the frustoconical base 52 and the mouth 55, a support ramp 57 made of a synthetic material avoiding seizure phenomena. It can also be envisaged to design either the knuckle or the complementary element 28, in such a synthetic material.

It will be recalled once again that the arrangement of the locking means 18 as described above can be easily reversed in the sense that no difficulty arises in equipping the extension 22 of the operating rod 9 with the complementary element 28 and to associate the locking member 27 with the sleeping frame 3.

In view of the characteristics of the present invention, the rotation control of the opening 4, even when the locking means 18 are brought into the active position, no longer has any effect on the operation of the latter.

In conclusion, the present invention makes it possible to provide an interesting solution to the problems posed by maintaining in the ajar position of the opening of a door, window or the like, problems to which, precisely, the devices known hitherto have not known. remedy it satisfactorily.

Claims (8)

Fitting (1) for door, window or the like (2), comprising locking means (6) provided with at least one operating rod (9) making it possible to actuate means (18) for locking in rotation, in different angular positions, the opening (4) relative to the sleeping frame (3), these means (18) being constituted by at least one locking member (27) and a complementary element (28) one of which is made integral with the sleeping frame (3), characterized in that: a) the blocking member (27) and the complementary element (28) are located on the axis of rotation (19) of the opening (4) and each comprise slots (37; 40) intended to cooperate with each other in the event of the rotation of the opening (4) being controlled by the locking means (6); b) said blocking member (27) comprises connecting means (24) capable of making it integral either with the frame (3) or with an extension (22) of the operating rod (9) and to allow it a stroke (45) on the axis of rotation (19) of the opening (4) and relative to the frame (3) or to the extension (22) of the operating rod (9), of length at least equal to the height (46) of its slots (37), this locking member (27) also being subjected to elastic return means (47) intended to push it back in the direction of the complementary element (28); c) the complementary element (28) comprises connecting means (43) intended to make it integral either with the frame (3) or with said extension (22) of the operating rod (9), and having, on the one hand, means allowing the pivoting, around the axis of rotation (19) of said complementary element (28) and, on the other hand, braking means allowing this pivoting only by application of a drive torque of varying intensity. Fitting (1) for door, window or the like according to claim 1, characterized in that the locking member (27) and the complementary element (28) are both constituted by a disc, respectively (36, 41 ) provided with slots (37; 40) and located on a same axial extension corresponding to the axis of rotation (19) of the opening (4). Fitting (1) for door, window or the like according to Claims 1 and 2, characterized in that the connecting means, intended to make the locking member (27) integral, either of the frame (3) or of the extension (22) of the operating rod (9), are constituted by a knuckle (24) located on the axis of rotation (19) of the opening (4) and fixed, either on said frame (3), or on the free end of a blade (25) made integral with the extension (22) of the operating rod (9), this knuckle (24) comprising a bore (26) in which is able to slide, according to a stroke ( 45), an axis (39) at the end (38) of which is attached the disc (36) corresponding to said locking member (27). Fitting (1) for door, window or the like according to claims 1 and 3, characterized in that the elastic return means (47) consist of a helical spring engaged on the axis (39) and cooperating, at its ends, on the one hand, with the disc (36) and, on the other hand, with a flange (49) which comes to close the bore (26) of the knuckle (24) at one of its ends . Fitting (1) for door, window or the like according to claims 1 and 2, characterized in that the connecting means corresponding to the complementary element (28) and making it possible to make the latter integral, either of the frame (3), either of the extension (22) of the operating rod (9), are constituted by a knuckle (43) lying in the axial extension of the knuckle (24) corresponding to the locking member (27), this knuckle (43) being made integral, either of the extension (22) of said operating rod (9), or of the frame (3), and comprising, in its center, a bore (54) in which is able to pivot an axis (53) fixed to the disc (41) corresponding to the complementary element (28). Fitting (1) for door, window or the like according to claim 5, characterized in that the disc (41) constituting the complementary element (28) is provided with a frustoconical base (52) tightening on the axis (53) and intended to cooperate with a mouth (55) of frustoconical shape, arranged at the bore (54) of the knuckle (43). Fitting (1) for door, window or the like according to claims 5 and 6, characterized in that the axis (53) to which the disc (41) is fixed comes right through the bore (54 ) formed in the knuckle (43) so as to cooperate, at its free end, with fixing members (56) making it possible to vary the pressure according to which said frustoconical base (52) comes to bear on its seat formed by the mouth (55). Fitting (1) for door, window or the like according to claim 6, characterized in that between the frustoconical base (52) and the mouth (55) of the bore (54) is interposed a support ramp ( 57) made of synthetic material.

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