EP0742333B1 - Stay for door, window or similar - Google Patents

Abstract

The door retainer for a door or window comprises a lever (18) whose upper end (19) is fixed by a pivot (21) which is itself mounted to slide in a groove (22) in the rebate of the door frame. The lower end of this lever (23) is intended to cooperage with a hook (24) mounted on the opening door panel. There is an elastic support mounted on the upper end of the lever (18) to act upon it. The lever itself has a symmetrical configuration w.r.t. its median vertical plane , and also includes an index device which ensures that the elastic support is able to urge the lever back to its vertical position. The structure of the lever is such that it is reversible.

Description

The invention relates to a door, window or analog comprising a lever whose upper end is fixed by means of an articulation pivot, itself mounted sliding in a groove on a support arranged in rebate on the amount of the frame or the opening, allowing said lever, on the one hand, to pivot around a axis parallel to the plane of the door, window or the like and perpendicular to said amount and, on the other hand, slide parallel to the longitudinal direction of this last in the groove, the lower end of this lever being able to cooperate with a fastening member maneuverable via a control button mounted, as the case may be, on the sash or the frame, means elastic return acting on this lever to bring back its hinge pivot in abutment in the upper part of this groove.

The present invention will find its application in the field of the building hardware.

Due to a growing sense of insecurity, justified, by elsewhere, by a constant increase in the number of burglaries and other acts of violence, we are increasingly more aware of the value of protecting their home by various security systems. However, if it is possible to recognize, visually and by the use of devices appropriate, such as a peephole, a visitor ringing or striking at a locked door it's very difficult in these conditions, to speak with the foreign person with a view to know the object of his visit. In fact, for this it is necessary to unlock and open the door. However, at this point it is desirable that a second security system comes into operation to prevent a ill-intentioned visitor can enter without much difficulty, in housing.

For this purpose, it is usual to call upon the most common of which are the chain systems. It is, in fact, a chain whose one end is fixed, by means of a support, to the inner side of the front pillar of the frame, while the opposite end has a locking pin for to cooperate with a buttonhole keeper placed on opening it. Thus, after unlocking the door, the length of the chain limits the opening angle of opening it.

It is also known from other types of interlocks arranged on the inside of the door or window. Thus, according to a design similar to the chain system described above, there is a spacer including a arm pivotally mounted on the frame upright and which, in locked position, comes to cooperate, slidingly, with a hooking member placed on the opening. In that case it is indeed the length of the arm or, very precisely, the mobility of the latter relative to the fastening member which limits the opening angle of the door or window.

If such interlinkers in themselves respond to the problem of security mentioned, they appear somewhat unsightly in reason for their surface-mounted. In addition, this type of installation can cause problems with overlapping rebate.

In order to respond to these problems, we have imagined ajar likely to take position in rebate of the door, window or the like.

In this regard, we know, especially by the document US-A-5,048,880, a half-piece taking over, substantially, the characteristics set out in part introductory to this description. So this spacer includes a lever whose upper end is mounted both pivoting and sliding on a support that we just have in rebate of the amount before the frame or opening corresponding to the door, window or similar. More precisely, this lever is mounted in rotation on an articulation pivot which is slidably disposed at inside a groove, parallel to the longitudinal direction of the upright, inside said support.

We also note the presence of elastic return means intended to act on this upper end of the lever so as to bring back its articulation pivot, systematically in abutment in the upper part of said groove. In fact, this lever has, at its upper end and so substantially offset laterally from its axis of pivoting, a drive finger on which act, said elastic return means. These consist of a coil spring arranged in a recess in the rear of the groove and which acts in compression, that is to say that on the upper end of this spring rests, ultimately, said drive finger integral with the lever.

As for the lower end of the latter, this has an oblong opening intended to cooperate with a fastening device which can be operated by means of a control button mounted, as appropriate, on the sash or sleeping. Ultimately, this hooking body, in the form of a locking bolt, is able to engage in this oblong lever opening when the lever is in position vertical rest and, therefore, when the door, window or analog is closed.

Such a spacer is only designed for application to left or right of a door, window or the like. In particular, it will be observed that the action of the means elastic return on the lever is such that said elastic return means would be completely incapable of return this lever to the vertical position if it tipped over a direction opposite to that normally expected. In fact, a such tilting in the opposite direction is made completely impossible by the arrangement of these elastic return means by report to said lever or by the configuration of the support himself.

Since none of the main parts of this cannot be retrieved for an application to left and right on a sash, it should be designed different pieces for each of these applications, which, of course, makes this manufacturing more expensive without counting that it follows a stock management more important.

Finally, within the framework of the spacer as described in this previous document, the lever, in the vertical position rest, abuts against a rear edge extending perpendicular to the plane of the support. Of the so, in the event of a false operation by the user, consisting of close the door while the latching member is in even partially protruding position, this organ hooking abruptly abuts against the front edge lever and prevents closing of the door, window or similar. If the fact that the door or window cannot be closing in itself is not a real problem, because it suffices for the user to erase the organ of repetitive shocks that can undergo this because of these erroneous manipulations, lead, in the long run, to its deterioration. All in particular, they can cause deformation of the fastening member, the operation of which becomes, then, more difficult or even loosening the support compared to the amount on which it is fixed which inevitably leads to dysfunction of the ajar.

• les moyens de rappel élastiques se situent dans le prolongement supérieur du levier ;
• celui-ci comporte une configuration symétrique par rapport à son plan médian vertical ;
• cet entrebâilleur comporte des moyens d'indexation assurant le rappel en position verticale du levier sous l'impulsion des moyens de rappel élastiques ;

ces caractéristiques agissant en combinaison pour autoriser la réversibilité dudit entrebâilleur pour un montage à gauche ou à droite sur le dormant ou, selon le cas, l'ouvrant.Ultimately, the invention aims to remedy all of the aforementioned drawbacks. To this end, it relates to a stay for door, window or the like, comprising a lever, the upper end of which is fixed by means of an articulation pivot, itself slidingly mounted in a groove, on a support arranged in rebate on the amount of the frame or the opening, allowing said lever, on the one hand, to pivot about an axis parallel to the plane of the door, window or the like and perpendicular to said amount and, on the other hand, to slide parallel to the longitudinal direction of the latter in the groove, the lower end of this lever being able to cooperate with an operable latching member by means of a control button mounted, as the case may be, on the opening or the frame, elastic return means acting on this lever to bring its articulation pivot into abutment in the upper part of this groove, characterized in that:

• the elastic return means are located in the upper extension of the lever;
• the latter has a symmetrical configuration with respect to its vertical median plane;
• this ajar comprises indexing means ensuring the return to the vertical position of the lever under the impulse of the elastic return means;

these characteristics acting in combination to allow the reversibility of said stay for mounting on the left or right on the frame or, as the case may be, the opening.

The advantages arising from the present invention consist, essentially, in that the spacer, conforms to the invention is reversible, i.e. it can be mounted, both on the left and on the right, on a door leaf, window or the like. Finally, this allows to divide, by two, the cost of manufacturing these openers without expect that this will facilitate stock management.

In addition, the lever being able to tilt to the side and else from its vertical rest position it is also able to fade under the impulse of the attachment member when it is unfortunately in position partially or completely protruding when closing said door or window.

• la figure 1 est une vue schématisée et en plan de l'entrebâilleur conforme à l'invention ;
• la figure 2 est une vue schématisée et en coupe partielle illustrant l'entrebâilleur monté en feuillure du dormant tandis que son levier coopère avec l'organe d'accrochage manoeuvrable par l'intermédiaire de moyens de commande se situant sur l'ouvrant ;
• la figure 3 est une vue arrière selon III-III de la figure 2 ;
• la figure 4 est une vue similaire à la figure 3 illustrant la position prise par le levier lorsque l'ouvrant est entrebâillé ;
• la figure 5 est une illustration en coupe selon V-V de la figure 4 illustrant, partiellement et en coupe le montant avant du dormant et de l'ouvrant.

The invention is described in more detail in the description which follows and accompanied by drawings corresponding, only, to an exemplary embodiment.

• Figure 1 is a schematic plan view of the brace according to the invention;
• Figure 2 is a schematic view in partial section illustrating the ajar mounted in the rebate of the frame while its lever cooperates with the operable latching member by means of control means located on the opening;
• Figure 3 is a rear view along III-III of Figure 2;
• Figure 4 is a view similar to Figure 3 illustrating the position taken by the lever when the opening is ajar;
• Figure 5 is a sectional illustration along VV of Figure 4 illustrating, partially and in section the front upright of the frame and the opening.

The present invention relates to a spacer 1 of door, window or the like having been shown under different views in Figures 1 to 5 of the accompanying drawings.

Thus, this spacer 1 is more particularly intended for take a position in leaf 8 of this door or window. AT this subject, in the following description we will limit ourselves to a presentation of the invention applied to a door in the to the extent that this is the use we will make, the most commonly, of such a spacer 1. However, we have understood that the invention is in no way limited to such application since it can find utility for everything opening type.

In addition, this spacer 1, arranged in rebate 2, has a very special interest when the opening 3 is at partial covering of the frame 4. More precisely, this opening 3 has, at the periphery, a rim 5 which comes in applies to the internal side 6 of the frame 4 in the position of closing of said door.

Thus, the stay 1 comprises a support 7 mounted in rebate 8 of the upright 9 of the frame 4, perpendicular to the door shot 10. In this regard, this support 7 can be rendered secured by any suitable fixing means 11 of this upright 9 of the frame 4, such as screws, rivets or the like. In the attached drawings, there is illustrated in particular a method of embodiment of these fixing means 11, in the form of screws 12 which, being accessible from the outside when the opening 3 is ajar as shown in Figure 5, are made non-removable by means of blocking means in rotation 13 accessible only from inside housing. As an example corresponding to the mode of embodiment illustrated in the figures, the screws 12 comprise their head 14 drowned in millings 15 arranged at the level of the support 7. In addition, a pin 16 is engaged in a perforation 17 machined in this support 7, perpendicular to the axis of the millings 15 while crossing the latter. So, after the engagement of the screws 12, said pin 16 is introduced into its perforation 17 passing over the heads 14 of screws 12 preventing these from being unscrewed.

As already mentioned above, other solutions are, well understood, conceivable and the invention is in no way limited to the one presented.

The stay 1 also comprises a lever 18 of which the upper end 19 is both mounted so articulated and sliding on the support 7. Thus, this lever 18 is able to pivot around an axis 20 parallel to the plane 10 of the door while being perpendicular to the amount 9 of the standing 4. In addition, the articulation pivot 21 of the lever 18 is itself slidably mounted in a groove 22 arranged longitudinally and therefore vertically in the support 7.

At its opposite lower end 23, the lever 18 is able to cooperate with a hooking member 24 maneuverable via a control button or analog 25 mounted on the internal side 26 of the opening 3.

According to a preferred embodiment illustrated in the attached drawings, the control button 25 acts, by via an operating square 27, on a follower 28 implanted in a housing 29 embedded in the edge before 30 of opening it 3. Thus, under the influence of the rotation of the button 25, the follower 28 attacks the latching member 24, in the form of a bolt moving in the plane of opening it 3 so as to appear, as the case may be, in projecting position or in retracted position with respect to said edge before 30 of this opening 3.

It should be noted that if the sash is fitted 3 a bolt or bolt lock with a headrest 31 extending over the entire height of this song before 30 of the opening 3, the housing 29 can be made integral with this headrest 31, the latter also comprising an opening 32 authorizing the passage of the bolt corresponding to the organ hanging 24.

This is preferably of rectangular section and has a narrowing 33 in its part 34 capable of appear prominent in relation to the edge 30 of the opening 3. Thus, when this fastening member 24 comes to cooperate with the end 23 of the lever 18, more precisely, when its part 34 is engaged in the oblong opening 35 formed at this effect in this end 23 of lever 18 it fills the button function in a buttonhole.

Under these conditions, when activating the stay-open device the hooking member 24 and the oblong opening 35 of the lever 18 are in the same vertical alignment. Then in half-opening the leaf 3, the lever 18 swings around its pivot axis 20 while its lower end 23 pivots around the constriction 33 corresponding to the member 24. This is no longer an extension of the oblong opening 35 corresponding to this lever 18, it does not may be withdrawn voluntarily, whether by action direct on said lever 18 or on the hooking member 24.

We note that due to the constraints linked to an assembly in rebate of the stay-open device 1, the vertical median plane 36 of the support 7 and of its lever 18 is not necessarily located, in the median plane of the fastening member 24 once opening 3 closed. Also, the oblong opening 35 is offset from this median plane 36. However, for authorize, despite this, a reversibility of the spacer 1 and, therefore, its mounting on the left or on the right, the lever 18, preferably comprises a symmetrical configuration and, therefore, it has two oblong openings 35, 35A arranged on either side of the median plane 36 and suitable for accommodate a fastening member 24.

This ajar 1 further comprises return means elastic 37 acting on the lever 18 to bring back its pivot hinge 21 in abutment 38 in upper part 39 of the groove 22. In fact, according to the invention, these return means elastics 37 are located in the upper extension of the lever 18 and act on the upper end 19 of this last or, preferably, on its articulation pivot 21. Advantageously, these elastic return means 37 are are in the form of a helical spring arranged at the interior of a housing 43 provided for this purpose in the upper extension of the groove 22 at the level of the support 7. Thus, one of the ends of this helical spring cooperates with hooking means 44 located in the bottom of housing 43 while the opposite end is rendered secured to the upper end 19 of the lever 18, preferably from its articulated pivot 21 mounted sliding in groove 22.

Under the action of these elastic return means and in adopting a position as shown in Figures 2 and 3, the lever 18 is, obviously in a position of stable equilibrium. This means that by dismissing voluntarily the lever 18 from this rest position vertical, it can return to its original position under the influence of one's own weight.

• lorsque le levier 18 est dans sa position de repos verticale, son extrémité 19 définit avec la butée 38 au moins deux zones de contact 41, 42 se situant symétriquement de part et d'autre du plan médian vertical 36 de ce levier 18 ;
• et lorsque ledit levier 18 est écarté de cette position de repos verticale, cette extrémité 19 définit avec la butée 38 une seule zone de contact 41 (ou 42) décalée par rapport au plan médian vertical 36 engendrant, au niveau de ce levier 18 et sous l'influence des moyens de rappel élastique 37, un couple de rappel en position de repos verticale jusqu'à ce que les deux zones de contact 41, 42 soient rétablies.

However, it can be provided, in combination, that this cooperation of the upper end 19 of the lever 18 with the stop 38 against which it is pushed under the influence of the elastic return means 37, contributes to the return to the vertical position of the lever 18. In fact, one can imagine that the reduced weight of the lever 18 or the friction encountered, whether with respect to the stop 38 or at the level of the articulation pivot 21, does not allow this lever 18 to systematically resume its substantially vertical position so that the opening 35 fitted to its end 23 is, from time to time, offset with respect to the latching member 24. The indexing means 40 making it possible to exclude this risk, consist of an end 19 of lever 18 and a stop 38 intended to cooperate with the latter thus determined:

• when the lever 18 is in its vertical rest position, its end 19 defines with the stop 38 at least two contact zones 41, 42 lying symmetrically on either side of the vertical median plane 36 of this lever 18;
• and when said lever 18 is moved away from this vertical rest position, this end 19 defines with the stop 38 a single contact zone 41 (or 42) offset with respect to the vertical median plane 36 generating, at the level of this lever 18 and under the influence of the elastic return means 37, a return torque in the vertical rest position until the two contact zones 41, 42 are restored.

Therefore, whatever action repels the lever 18 so as to move it away from its vertical position, from the instant that this action disappears, said lever 18 resumes systematically its initial rest position. More particularly if the user inadvertently brings the latching member 24 in its projecting position even then that the opening 3 is open, when closing it said attachment member 24 pushes the lever 18. Under these conditions, if you want to activate the stay 1, it is enough, at first, to unlock the organ hooking 24 causing the lever 18 to return to its vertical rest position so that its opening oblong 35 then comes to position in front of said member hooking 24 which can again be locked.

In view of the foregoing description, it is well understood that if it is planned to mount the support 7 of the stay 1 on the amount of the frame 4, we can also consider a reverse arrangement, consisting in fitting the sash with the support 7 on which is pivoted and sliding the lever 18 which is able to cooperate with a fastening member whose the mechanism is mounted on said upright 9 of the frame 4.

Claims (8)

1. Stay for a door, window or the like, comprising a lever (18) the upper end (19) of which is fixed by means of a hinging pivot (21), which is, in turn, slidingly fitted in a groove (22), on a support (7) arranged in the fillister of the stile (9) of the sash-frame (4) or of the leaf (3) and allows said lever (18), on the one hand, to pivot about an axis (20) parallel to the plane (10) of the door, window or the like and perpendicular to said stile (9) and, on the other hand, to slide, parallelly to the longitudinal direction of this latter, in the groove (22), the lower end (23) of this lever (18) being capable of co-operating with a coupling organ (24) that can be operated through a control knob (25) fitted, as the case may be, on the leaf (3) or on the sash-frame (4), springy restoring means (37) acting on this lever (18) to restore its hinging pivot (21) in abutment (38) in the upper portion (39) of this groove (22), characterized in that:

   the springy restoring means (37) are located in the upper extension of the lever (18);

   this latter has a symmetrical configuration with respect to its vertical median plane (36);

   this stay includes indexing means (40) ensuring the restoring into a vertical position of the lever (18) under the action of the springy restoring means (37);

   these features acting in combination to authorize the reversibility of said stay (1) for a left-hand or the right-hand fitting on the sash-frame (4) or, as the case may be, on the leaf (3).
2. Stay according to claim 1, characterized in that the springy restoring means (37) are formed of a helical spring arranged in a recess (43) provided for this purpose at the level of the support (7) and located in the upper extension of the groove (22).
3. Stay according to claim 2, characterized in that one end of the helical spring co-operates with coupling means (44) located at the bottom of the recess (43), whereas the opposite end is made integral with the end (19) of the lever (18).
4. Stay according to claim 3, characterized in that the end of the helical spring aimed at being made integral with the end (19) of the lever (18) acts on the hinging pivot (21) slidingly fitted in the groove (22).
5. Stay according to any of the preceding claims, characterized in that the lever (18) includes, at its lower end (23), two elongated holes (35, 35A) arranged on both sides of the vertical median plane (36) and capable of receiving the coupling organ (24).
6. Stay according to claim 1, characterized in that the indexing means (40) are formed by an end (19) of the lever (18) and a thrust (38) aimed at co-operating with this latter, which are determined as follows:

   when the lever (18) is in its vertical resting position, its end (19) defines, with the thrust (38), at least two contact areas (41, 42) symmetrically located on both sides of the vertical median plane (36) of this lever (18);

   and when said lever (18) is separated from this vertical resting position, this end (19) defines, with the thrust (38), one single contact area (41) or (42) offset with respect to the vertical median plane (36) causing, at the level of this lever (18) and under the action of the springy restoring means (37), a couple of restoring into the vertical resting position until both contact areas (41, 42) are restored.
7. Stay according to any of the preceding claims, characterized in that the support (7) is fitted in the fillister (8) of the stile (9) of the sash-frame (4) or of the leaf (3) by fixing means (11) in the shape of screws (12) made unremovable through means for locking in rotation (13) accessible from the inside of the room.
8. Stay according to claim 7, characterized in that the support (7) includes countersinkings (15) in which are aimed at being sunk the head (14) of the screws (12), whereas the means for locking in rotation (13) these screws (12) are formed of a pin (16) inserted in a hole (17) provided for in this support (7), perpendicularly to the axis of the countersinkings (15), while crossing these latter, so that said pin (16) passes above the screws (12), impeding these latter from being unscrewed.

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