Control device for a locking fitting for a door or window-type joinery work

Abstract

The invention relates to a locking hardware control device for joinery of the door or window type, comprising a housing 5 provided with a handle 8 and having an application face 9 intended to be applied to a joinery profile P1; P2, this housing 5 having at least two hooking members 11, 12 acting in opposition and designed to engage in an opening O adapted in said joinery profile P1; P2, these hooking members 11; 12 having hooking means 13; 14 and constituting, in combination with the application face 9 of the housing 5, means of fixing the control device 1 in said opening O of the joinery profile P1, P2.At least the attachment means 14 of a fastening member 12 are defined by a succession of at least two attachment edges 19, 20 adopting a stepped arrangement 21 relative to each other, each of these attachment edges 19; 20 extending essentially parallel under the application face 9 of the housing 5 at distinct distances d1; d2.

Description

[0001] The present invention relates to a locking hardware control device for doors or windows, comprising a housing with an application face designed to be surface-mounted on a window or door frame profile and having at least two opposing locking members designed to engage in a suitable opening in said window or door profile. These locking members, in combination with the housing's application face, constitute means for securing the control device within said opening in the window or door profile. The invention also relates to a window or door fitting incorporating such a door restrictor device.

[0002] The present invention relates to the field of hardware for doors and windows, and more particularly to locking hardware. More specifically, this invention relates to control devices for these locking hardware for surface mounting on doors and windows where the fixed frame and the opening sash are formed from tubular profiles, particularly metallic ones, although the invention is not limited to this type of material composing the fixed frame and the opening sash.

[0003] The invention will find particular interest in the field of control fittings for application to sliding opening joinery.

[0004] We already know of multiple locking hardware control devices for joinery that meet the above description.

[0005] In particular, a locking hardware control device for sliding doors is known from document FR 2 761 718. This device comprises a housing in which a recessed control handle is mounted for longitudinal translation. This housing is designed to fit into a slot in the inner wall of a sliding door profile. To this end, the housing also includes a peripheral rim designed to be applied to the outer edge of this slot in the profile. Fastening elements at the transverse ends of the housing, where it is inserted into the slot in the profile, in combination with this peripheral rim and the action of fixing screws, create a clamping effect on the thickness of the profile wall near this slot to secure the control device within it.

[0006] The fixing screws, which are essential here to ensure this pinching effect on the edges of the light in the profile of the joinery, lead to risks of loosening, or even loss of screws, not to mention that their installation and tightening correspond to time-consuming operations in the context of equipping a joinery with this type of locking hardware control device.

[0007] Furthermore, document FR 2 761 719 describes a control device for a surface-mounted locking fitting, again for a sliding door, comprising, as before, a housing designed to extend into an opening in the wall, on the interior side of the building, of a tubular sliding door profile. This housing accommodates, in a sliding fashion, a recessed handle and includes a peripheral support lip designed to be surface-mounted on this inner side of the profile, around the perimeter of the opening. At the transverse ends of this housing, in the portion extending into the opening of the window / door profile, this control device also includes fastening elements equipped with means capable of extending under the peripheral lip of this opening so as to exert a tensile force on the housing, thereby applying the peripheral support lip of this housing to the inner side of the profile.

[0008] One of these fastening elements takes the form of a wedge mounted to move in translation at one end of the housing, between a retracted position and a locked position in which this wedge is returned by a spring. Thus, when the housing is inserted into the opening, this wedge retracts elastically before returning to its locked position, in which a stepped lip engages under the inner edge of the opening, preventing the housing from being pulled out and holding the peripheral support lip of the housing against the inner side of the profile.

[0009] The other fixing element, located at the opposite end of the housing, takes the form of a similar wedge, except that it is fixed. This wedge also has, opposite the peripheral edge of the opening, a lip forming a step which is engaged, during assembly, on the edge of the opening, before inserting the opposite end of the housing into the latter by forcing the retraction of the fixing element described above, by compression of the elastic return means.

[0010] Document FR 2 861 788 describes an identical locking fitting control device in which the two fixing members at the ends of the housing are designed to move against the action of elastic return means. Such a configuration is, of course, more complex compared to a control device with only one movable fixing member, a complexity that translates into a higher manufacturing cost.

[0011] Currently available on the market are tubular profiles, including metal or other types, for joinery such as doors or windows, which are distinguished by the thickness of their walls.

[0012] As shown on the control fittings described, in particular in document FR 2 761 719, the stepped edge of the wedge of the fixing device(s) defines, with the face of the support edge applied to the external peripheral edge of the opening, a dihedral in which the edge of this opening is inscribed according to a depth depending on the thickness of the wall of the profile.

[0013] THE figures 1 et 2 The attached diagrams represent schematic cross-sectional views of a configuration corresponding to this prior art, namely: [ Fig.1 ] There figure 1 represents a schematic, longitudinal cross-sectional view of a state-of-the-art control device applied to a thin-walled joinery profile; Fig.2 ] There figure 2 is a view similar to the figure 1 , the state-of-the-art control device being applied to a joinery profile with a greater wall thickness.

[0014] In particular, in the figure 1 A control device F, according to the prior art, is illustrated, mounted on a profile P1 whose wall has a reduced thickness e1 compared to that e2 of the profile P2 visible in the figure 2 and on which is mounted the same control device F.

[0015] In these figures, it is particularly visible that this differential thickness of the profile wall generates an offset D of the control device F in the opening O in which it is inserted.

[0016] It is immediately clear that this offset necessarily affects the positioning of an actuation element, for example a square of operation, of this control device inside this opening.

[0017] The magnitude of this offset depends on the dihedral angle α Di. However, a very wide angle, generating a smaller offset, results in a weaker anchorage compared to a more acute dihedral angle. Furthermore, the stepped edge defines a ramp that facilitates the removal or detachment of the profile control device.

[0018] Obviously, the greater the offset, the more the actuation element of the control device cooperates under constraint with the drive mechanism of a locking fitting such as a cremone bolt or other, implanted inside the profile.

[0019] The solution to avoid such a misalignment of the control mechanism within the opening in the window / door frame profile, regardless of the profile wall thickness, involves making the two opposing fixing elements movable within the opening. This solution, as mentioned above, is restrictive in terms of complexity, the increased number of parts required for assembly in the control mechanism, and, inevitably, the higher cost.

[0020] It was within the framework of an inventive approach that a solution was sought that did not impose such mobility on at least one of the two fixing elements while avoiding, or at least limiting, excessively, the offset that it can produce on the control device in the opening in which it is planned to be implanted, under the effect of a variation in the thickness of the wall of the profile.

[0021] In particular, it was taken into account that the holding force provided by a fastener to such a control device essentially derives from the effectiveness of the fastener's gripping action under the wall of the profile receiving the control device. Most importantly, it was observed that, when tension is applied to the control device in a direction perpendicular to the wall to which it is surface-mounted, the solutions corresponding to the prior art and mentioned above result in a force being exerted on the fasteners whose resultant force does not extend in the opposite direction to that which generated it, but rather in the direction of the fastener's release from the edge of the opening under which it must extend to perform this fastening function.

[0022] Thus, the present invention relates to a locking hardware control device for joinery of the door or window type, comprising a housing provided with a handle and having an application face intended to be applied to a joinery profile, this housing having at least two hooking members acting in opposition and designed to engage in a suitable opening in said joinery profile, these hooking members having hooking means and constituting, in combination with the application face of the housing, means for fixing the control device in said opening of the joinery profile.Advantageously, at least the means for attaching a fastening element are defined by a succession of at least two attachment edges adopting a stepped arrangement relative to each other, each of these attachment edges extending essentially parallel under the application face of the housing at distinct distances from this application face.

[0023] Preferably, the distance separating each of these attachment edges from the application face of the housing corresponds to a given wall thickness of a joinery profile.

[0024] According to the invention, the housing comprises a housing, essentially longitudinal, designed to extend into the opening of a profile, this housing being totally or partially open on the front face and accommodating a sliding handle, such as a cup handle, or other, the hooking member being in the form of an end wall of this housing, shaped in a stepped fashion on one side.

[0025] Advantageously, by extending essentially parallel under the applied face of the housing, a hook edge is able to generate a force resisting the pulling of the housing from the profile to which it is fixed, acting essentially in a direction opposite to the force that generates it.

[0026] Furthermore, thanks to the effective retention provided by a retaining edge, its depth can be optimized. In short, the depth of each stair tread corresponding to a retaining edge can be relatively shallow, so the offset produced by a thicker profile wall compared to a thinner profile wall is particularly small.

[0027] Other objects and advantages of the present invention will become apparent from the description below relating to an example of an embodiment of this invention, illustrated in the figures of the accompanying drawings. [[ Fig.3 ] There figure 3 represents a schematic and longitudinal cross-sectional view of a control device according to the invention, applied to a thin-walled joinery profile; Fig.4 ] There figure 4 is a view similar to the figure 3 , the control device according to the invention being applied to a joinery profile with a greater wall thickness; [ Fig.5 ] There figure 5 is an elevational representation of an example of a control device according to the invention; [ Fig.6 ] There figure 6 is an enlarged view of detail A of the figure 5 ; Fig.7 ] There figure 7 is an enlarged view of detail B of the figure 5 .

[0028] As depicted in the figures 3 à 7 The present invention relates to a control device 1 for locking hardware, such as a bolt, cremone bolt, cremone lock or similar, for joinery of the door or window type.

[0029] In this regard, such a door or window typically comprises a fixed frame within which at least one opening sash is fitted. Most often, this sash receives, in a rebate, a locking mechanism, for example a cremone bolt or similar, comprising locking elements, such as a hook bolt or roller, designed to cooperate with strike plates fitted to the fixed frame or an adjacent opening sash. To operate such a locking mechanism, a control device 1 is used, mounted on one side, external or preferably internal, of the opening sash in such a way as to cooperate with the control mechanism of the locking mechanism. Through a handle 8 on this control device 1, it can act, for example, via a spindle 2 or some other drive mechanism, on the control mechanism of the locking mechanism.

[0030] Furthermore, whether it is joinery made of synthetic or metallic material, the fixed frame, as well as the opening frame, are designed by assembling tubular profiles, hereinafter referred to as profile P1 or P2, on which the locking hardware, the control device for this hardware, and also, for example, the articulation hardware, must be attached.

[0031] According to the manufacturer, these profiles P1; P2 can be distinguished by the shape and dimensions of their section, but also by the thickness e1; e2 of their wall 3 to which some of the hardware elements of this joinery must be able to adapt, in particular, the control device 1 applied to one side 4 of these profiles P1; P2 of the opening frame.

[0032] Such a control device 1 comprises a housing 5 which can take various forms, for example that of a cover plate for a rosette or other. In the figures, this housing 5 includes a recess 6, essentially longitudinal, open totally or partially on the front face 7 and accommodating, for example, a sliding handle 8 of the cup handle type or other.

[0033] Regardless of its configuration, this housing 5 has an application face 9 intended to be applied to the external side 4 of the profile P1; P2. In the configuration corresponding to the illustrated embodiment, this application face 9 is defined by the lower face of a peripheral support rim 10 which, in this case, comprises this housing 5.

[0034] The latter also includes at least two attachment members 11; 12 acting in opposite directions and designed to engage in a suitable opening O in the profile P1; P2 of the joinery. Specifically, these attachment members 11; 12, in combination with the application face 9 of the housing 5, constitute means of fixing the control device 1 in such an opening O of the profile P1; P2 of the joinery.

[0035] Each of these attachment elements 11; 12 includes attachment means 13; 14. At least the attachment means 13 of one of these attachment elements 11 are provided to be retractable, as appropriate, elastically or by means of a suitable control element.

[0036] In the embodiment shown in the figures 5 à 7 , the hooking members 11; 12 are located at the longitudinal ends 15; 16 of the housing 5 and act in opposite directions with respect to the median plane P of this housing 5 so as to cooperate with the edge or side 17 of the opening O. More precisely, the hooking means 13; 14. engage under this edge 17 by sandwiching it with the application face 9 defined by the peripheral support rim 10.

[0037] In this design, visible in the figures, the attachment means 13 for the attachment member 11 are in the form of a set screw 18. An operator can act on this screw from the front face 7 of the housing 5 using a suitable tool to, as appropriate, screw the set screw 18 into a protruding position so that it can extend under the edge 17 of the opening O for the purpose of fixing the control device 1 onto a profile P1; P2. Conversely, the operator can unscrew the set screw 18 if they wish to remove the control device 1.

[0038] It should be taken into account that this fastening element 11 can take many other forms of embodiment, in particular that of a wedge subjected to elastic return means in the locking position, a wedge having a raised edge forming a step intended to engage under the edge 17 of the opening O and, in collaboration with the application face 9, retain in this opening O the control device 1.

[0039] According to the invention, at least the attachment means 14 of an attachment member 12 are defined by a succession of at least two attachment edges 19, 20 adopting a stepped arrangement 21 relative to each other, each of these attachment edges 19, 20 extending essentially parallel under the application face 9 of the housing 5 at distinct distances d1, d2 relative to the latter.

[0040] This staircase 21 is descending, relative to the application face 9, moving away from the median plane P of the housing 5. In other words, the more a step, corresponding to a hooking edge 19; 20, is distant d1; d2 from the application face 9, the further it is from this median plane P of the housing 5.

[0041] Advantageously, the distances d1; d2 separating these attachment edges 19; 20 from the application face 9 correspond to defined thicknesses e1; e2 of walls 3 of profile P1; P2.

[0042] It is most particularly visible in the figure 4 The offset D produced on the control device 1 in the opening O by a wall 3 of thickness e2 compared to a wall 3 of thickness. This offset D is equal to the depth p of the step defined by the attachment edge 19.

[0043] Optionally, between the application face 9 and the step 21 defined by the attachment edges 19, 20, the attachment member 12 may include a slot 22 open in the opposite direction to the median plane P of the housing 5, the upper wall 23 of which corresponds to the application face 9 of this housing 5 and whose lower face 24 defines an acute angle β with this application face 9. Such a slot 22 is particularly intended to accommodate and clamp the edge 17 of a wall 3 with a very thin profile. This configuration has the advantage of allowing the control device 1 to be fixed to metal profiles, particularly aluminum profiles, which generally have a thinner wall compared to profiles made of synthetic materials, particularly PVC.

[0044] Substantially, the attachment member 14 can be in the form of an end wall 25 of the housing 6 defined by the casing 5 and extending into the opening O. This end wall 25, located at the end 16 of the casing 5, can be shaped into a stepped profile 21 on its side 26 opposite the edge 17 of the opening O

[0045] At the upper end of this end wall 25, under the application face 9, the slot 22 can also be provided.

[0046] The advantages arising from the present invention consist in the fact that a control device intended to be fixed in an opening of a joinery profile does not necessarily have to be equipped with two opposing attachment members, each of them being movable, in particular under the impulse of elastic return means, to guarantee the centering of the housing of this control device with respect to the said opening in the profile.

[0047] The solution according to the invention proves to be particularly economical while remedying the problem of excessive offset caused by known control devices depending on whether they are applied to profiles of greater or lesser thickness.

Claims

1. Control device of a locking fitting for joinery of the door or window type, comprising a casing (5) provided with a handle (8) and including an application face (9) provided to be applied to a joinery profile (P1, P2), this casing (5) including at least two hooking members (11, 12) acting in opposition and configured to engage in a suitable opening (O) in said joinery profile (P1, P2), these hooking members (11, 12) including hooking means (13, 14) and constituting, in combination with the application face (9) of the casing (5), means for fastening the control device (1) in said opening (O) of the joinery profile (P1, P2), characterised in that at least the hooking means (14) of a hooking member (12) are defined by a succession of at least two hooking edges (19, 20) taking up a staircase-like arrangement (21) with respect to one another, each of these hooking edges (19, 20) extending substantially parallel under the application face (9) of the casing (5) at distinct distances (d1,d2) with respect to this latter application face (9).

2. Control device according to claim 1, characterised in that the staircase (21) is descending, with respect to the application face 9 when moving away from the median plane P of the casing (5).

3. Control device according to claim 1 or 2, characterised in that the distances (d1, d2) separating the attachment edges (19, 20) from the application face (9) correspond to defined thicknesses (e1, e2) of walls (3) of a profile (P1, P2).

4. Control device according to any one of the preceding claims, characterised in that the hooking member (12) comprises, between the application face (9) and the staircase (21) defined by the hooking edges (19, 20), a slot (22) open in the direction counter to the median plane (P) of the casing (5).

5. Control device according to claim 4, characterised in that the slot (22) comprises an upper wall (23) corresponding to the application face (9) of the casing (5) and a lower face (24) defining an acute angle (β) with this application face (9).

6. Control device according to any one of the preceding claims, characterised in that the casing (5) comprises a housing (6), essentially longitudinal, configured to extend into the opening (O) of a profile (P1, P2), this housing (6) being fully or partially open on the front face (7) and accommodating a sliding handle (8), such as a cup handle, or other, the hooking member (12) being in the form of an end wall (25) of the housing (6) in the form of a staircase (21) on one side (26).

Images