FR2865229A1 - Lock fitting for e.g. doors` opening frame, has control unit to assure unlocking of locking unit in irreversible manner, where locking unit maintains hooking devices in their inactive position against action of helical spring - Google Patents

Abstract

The fitting has a fixation unit (5) with hooking devices (6,7) that move between an inactive position and an active position in which they extend under respective hooking sills (8, 9) that define an opening (10) in a woodwork. A control unit (13) assures unlocking of a locking unit (11) in an irreversible manner. The locking unit maintains the hooking devices in their inactive position against the action of a helical spring (24).

Description

The invention relates to a fitting, in particular a lock, comprising

  fastening means applied to a tubular section of a door opening frame, window or the like.

  The present invention will find its application in the field of hardware, including locking, door, window or other.

  Many fittings are provided to be affixed to a carpentry, such as an opening frame or a door frame, window or the like.

  In this regard, if this attachment occurs on the internal side of a house, it is customary to use, as fastening means, screws which are housed in the thickness of the joinery itself.

  In some cases, this fitting applies to the inner side of a door or window can co-act with a fitting on the external side to actuate locking members. It is, then, common to use the screws of the internal fitting to secure it, but also the external fitting on the joinery.

  By way of example, the screw of the internal fitting passes through the thickness of the joinery in order to cooperate with a threaded nut bushing which comprises, in correspondence, the external fitting, on its side intended to be applied on the external face. said carpentry. These fastening means are, therefore, not accessible from outside the house.

  Anyway, screwing is considered a long running operation. In order to meet this difficulty and allow the carpenter to overcome some of these screwing operations, it has, for example, been imagined, in the field of lock fittings for sliding door, a solution to ensure fastening by clipping of a fitting on a carpentry.

  As seen in document FR-2,761,719, such a locking fitting for sliding door leaf, window or the like, comprises, at the rear, two fastening members intended to be put in place at the ends of the aforesaid housing.

  These clipping members comprise means adapted to engage with the edge of a light made in the front post of the sliding leaf. They are thus designed to ensure perfect transverse and longitudinal immobility of the fixing plate on the edge of this light.

  In particular, these fasteners act in opposite longitudinal directions and at least one of them is provided elastically retractable. In this respect, at its free end, opposite to the return spring, this fastening member is beveled so as to define a ramp facilitating its erasure at the time of assembly of the fitting on the joinery. Moreover, at the very free end of this attachment member, this first ramp joins a second ramp through which it engages at the rear of the song defining the opening in this joinery. Under the action of the return spring, this second ramp produces a traction effect on the fixing plate. It is, therefore, pressed against carpentry.

  As regards the fixed fastener, the opposite end of the casing will be associated with the stop function for positioning the locking fitting longitudinally in the opening in the casing. the sliding door.

  It is understood that if such fasteners facilitate the mounting of a fitting intended to be reported on a carpentry on the inside of the house, they are not suitable for mounting on the outside of this joinery.

  Indeed, fastening members, as described in FR2 761.719, are provided to allow the dismounting of the fitting by acting on the same side where the assembly was involved.

  In particular, a simple displacement of this fitting in the longitudinal direction makes it possible to obtain the compression of the elastic return means acting on the elastically retractable fastening member. This results in the release, relative to the edge of the opening in the joinery, the fastening member at the opposite end of the fitting. It is then possible to access the locking elements.

  Furthermore, a fitting, intended to be applied on the outer side of a joinery, is usually provided with a key element and / or other control member able to cooperate with the drive members of the carpentry. internal fitting of this joinery. In these circumstances, it is necessary to ensure this cooperation before intervening the attachment, properly speaking, of this external fitting.

  If, as part of a first inventive step, it was imagined to associate with a fitting, coming on the external side of a joinery, fastening means requiring no screwing operation, in a second inventive step, the l it has been thought to make these attachment means active, irreversibly, from this outer side of said joinery, preventing any detachment of the fitting by acting from outside a home.

  In the end, it was thought of a solution that allows the disassembly of said external fitting, acting from inside and through the tubular section of the joinery on which it is reported.

  Thus, the invention relates to a fitting, in particular a lock, comprising fastening means applied to a tubular profile of a door, window or similar opening frame, characterized in that said fixing means consist of at least one mobile coupling device, between an inactive position and an active position in which it is intended to extend under a hooking flange defined by an opening made in the joinery, said fitting comprising, in combination, a control member , such as a key element, provided to unlock, irreversibly, locking means designed to maintain said latching device in its inactive position, against the action of elastic return means.

  According to another feature of the invention, said locking means are further designed to maintain the attachment device in its active position and thus ensure the irreversibility of the unlocking maneuver.

  The advantages that flow from the present invention are that it is possible to report, applied and externally on a joinery, a fitting without requiring a long and tedious screwing operation. In addition, it avoids prior co-operation of the control elements of the mechanism and / or the housing of this fitting with possibly another fitting reported on the internal side of the joinery.

  The solution according to the invention has, in addition, the advantage of offering the fitting a very good resistance to burglary. In particular, no unscrewing is possible and there is no risk that the hardware takes the game that would allow the engagement of a tool, during an attempted break-in.

  Other objects and advantages of the present invention will become apparent from the following description relating to an exemplary embodiment given by way of indication and not limitation.

  The understanding of this description will be facilitated with reference to the accompanying drawings in which: - Figure 1 is a schematic representation in longitudinal section, of a fitting, according to the invention, mounted on a tubular section of carpentry ; Figure 2 is a schematic representation in perspective of the fitting illustrated in Figure 1 illustrating the attachment devices in their inactive position; Figure 3 is a representation similar to Figure 2 showing the attachment devices in their active position.

  As shown in the figures of the attached drawing, the present invention relates to the field of fittings more particularly intended to be mounted externally on a joinery, such as an opening frame or a door frame, window or the like .

  The present invention will find a particular interest in the field of lock fittings for sliding leaf.

  Thus, as can be seen in FIG. 1, the fitting 1, which is the subject of the present invention, comes into application, on the external side 2, on a tubular section 3, corresponding, for example, to the front upright of a sliding door leaf. or window.

  For this purpose, this fitting 1 comprises, at its rear face 4, intended precisely to come to apply to this section 3, means 5 provided for securing it on the latter.

  According to the invention, such fastening means 5 consist of at least one attachment device 6, 7 designed movably, between an inactive position I, as shown in FIG. 2, and an active position A, corresponding to FIGS. 3. In the latter, this attachment device 6, 7 is provided to extend under a hooking flange 8, 9 defined by an opening 10 made in the joinery, in this case the section 3.

  More particularly, this opening 10 in the joinery is intended to allow the fitting 1 to cooperate with other fitting elements, in particular with locking members, or even in the context of a sliding door or window, with a fitting mounted on the inner side of the sliding leaf.

  In particular, locking means 11 are designed to keep the attachment device or devices 6, 7 in their inactive position I, against the action of resilient return means 12.

  Furthermore, these locking means 11 are designed to be released, irreversibly, by a control member 13 which is illustrated in the figures of the attached drawing, as being the key element. However, this control member 13 may borrow another embodiment, knowing that it is necessarily accessible at any of the external faces 14 of the fitting 1.

  As illustrated in the various figures, an attachment device 6, 7 is in the form of a slider 15, 16 mounted longitudinally movable at the rear face 4 of the fitting 1. This slider 15, 16 has an end 17 in the form of a bolt 18 extending in a substantially offset plane, this so as to be salient with respect to the rear face 4 of the fitting 1, to be able to engage under the hooking flange 8, 9 as indicated above .

  Advantageously, the fitting 1 comprises, as fastening means 5, two gripping devices 6, 7 acting in opposition and therefore coming to extend in opposite longitudinal directions at the rear face 4 of FIG. this fitting 1. Being thus able to fit under the hooking flanges 8, 9 that define the opposite ends 19, 20 of the opening 10 in the joinery, these attachment devices 6, 7 ensure perfect fitting of the fitting 1.

  Note that if the bolt 18, corresponding to the sliders 15, 16, is protruding relative to the rear face 4 of the fitting 1, it does not extend strictly parallel to the latter, but defines an acute angle 21 , which allows it to adapt to different thicknesses 22 of walls 23 of profiles 3.

  As for the elastic return means 12, they are in the form of a helical spring 24 taking up position in a housing 25 formed accordingly, at the rear face 4 of the fitting 1.

  In this housing 25 is further engaged a tongue 27 extending perpendicularly to the rear of a slide 15, 16. Thus, the coil spring 24 is interposed between one end 26 of the housing 25 and said tongue 27. in such a way as to push the slider 15, 16 into a position corresponding to the active position of the attachment device 6, 7.

  To return to the blocking means 11, these are constituted, at the end 28 of a slider 15, 16, opposite to that 17 of the bolt 18, by a gripping finger 29, 30 defined able to cooperate with a cam 31 associated with the control member 13.

  In particular, this cam 31 is in the form of a hub rotatably mounted on the axis 32 of the key element defining the control member 13.

  Thus, this cam 31 is defined so that, in a first angular position P1, it is located on the longitudinal path of the gripping finger 29, 30 and in a second angular position P2 is erased with respect to this trajectory.

  Thus, in said first angular position P1, this cam 31 is able to register at the rear of a boss 33 that has, at its end, the latching finger 29, 30 to maintain the shackle 6, 7 in its inactive position I. More particularly, thus coming to register at the rear of this boss 33, the cam 31 retains, through the gripping finger 29, 30, the slide 15, 16 in a retracted position, against the action of the elastic return means 12.

  On the other hand, by communicating a rotation to the key element to bring the cam 31 into the second angular position P2, this cam 31 is, on the contrary, to disappear in front of the boss 33 of this hooking finger 29, 30. The slide 15, 16 is then no longer retained via the latter, it can be pushed by the spring 24. Follows the elastic return of the attachment device 6, 7 in its active position A. In this active position A, said gripping finger 29, 30 of a slider 15, 16 is no longer able to cooperate with the cam 31 and the latter can not return the slider 15, 16 to its initial position, against the action of the spring 24. Therefore the unlocking control is to be considered irreversible.

  In fact, as indicated by their qualifier, the blocking means have only a blocking function and not a training function.

  As illustrated in the figures of the attached drawing, the sliders 15, 16, corresponding to the attachment devices 6, 7 and acting in opposite directions, adopt a symmetrical arrangement with respect to the axis of pivoting of the cam 31. More particularly, the gripping fingers 29, 30 of these sliders 15, 16 act diametrically opposite on the cam 31.

  Note that the fitting of the fitting 1 occurs after arming the system. More particularly, it is to bring the attachment devices 6, 7 in their inactive position I. For this, it comes to push the slides 15, 16 in the direction of the central cam 31 against the action of the springs 24 The cam 31 initially in the second angular position P2 is rotated in its first angular position Pi in which it fits behind the boss 33 at the end of the gripping fingers 28, 29 of these slides 15, 16 .

  It should be noted that the presence of lateral guide flanges 34, 35 at the rear face 4 of the fitting 1, flanges 34, 35 between which the sliders 15, 16 fit, keeps the gripping fingers in cooperation with one another. 29, 30 with the cam 31. In fact, these guide flanges 34, 35 prevent these gripping fingers 29, 30 deviate radially from the cam 31.

  It should be noted, in fact, that the stiffness of the springs 24 is chosen relatively important to secure the attachment and prevent any risk of disassembly of the fitting from outside a home.

  Similarly, the first angular position P1 in which the cam 31 is in the path of the gripping fingers 29, 30, more particularly the boss 33 they have at their end, may correspond to the rest position of the key element defining the control member 13. In this regard, it qualifies rest position, that in which the key 36 can be removed from the barrel. Also, after unlocking the locking means 11, resulting in the return of the attachment devices 6, 7 in their active position A, the cam 31, being returned to this angular position P1, or in the path of the bosses 33, can prevent the attachment devices 6, 7 to return to their inactive position I, even by acting directly on the slides 15, 16, through the profile 3 of the joinery.

  In sum, the blocking means 11 are also used as means for holding the fastening device or devices 6, 7 in their active position A. Thus and just as for mounting the fitting 1 on said profile 3 disassembly is made possible only by acting on the control member 13, here on the key element.

  As can be seen from the foregoing description, the present invention responds advantageously to the problem posed.

  Although the invention has been described with respect to a particular embodiment, it is understood that it is in no way limited and that various modifications of shapes, materials and combinations thereof can be made. various elements without departing from the scope and spirit of the invention.

Claims (10)

claims   1. Fitting, including locking, comprising fastening means (5) applied to a tubular profile (3) of carpentry, such as a frame or a door frame, window or the like, characterized in that said fixing means (5) consist of at least one attachment device (6, 7) designed movably between an inactive position (I) and an active position (A) in which it is intended to extend under a flange hooking (8, 9) defined by an opening (10) made in the joinery, said fitting (1) comprising, in combination, a control member (13), such as a key element, provided for unlocking , irreversibly, locking means (11) designed to maintain said device (6, 7) in its inactive position (I) against the action of resilient biasing means (12).   2. Fitting according to any one of the preceding claims, characterized in that it comprises two fastening devices (6, 7) acting in opposition and extending in an opposite longitudinal direction at the rear face (4). ) of the fitting (1).   3. Fitting according to claim 1 or 2, characterized in that a hooking device (6, 7) is in the form of a slider (15, 16) mounted longitudinally movable at the rear face (4). ), intended to be applied to the joinery, the fitting 1, this slider (15, 16) having an end (15) shaped bolt (18) designed to engage, in the active position (A) said hooking device (6, 7), under a hooking flange (8, 9).   4. Fitting according to claim 3, characterized in that the bolt (18), on the one hand, is offset with respect to the plane of the slide (15, 16) to protrude from the rear face (4) of the fitting (1) and, on the other hand, forms an acute angle (21) with respect to this rear face (4).   5. Fitting according to claim 3 or 4, characterized in that the locking means (11) consist, at the end (28) of a slide (15, 16), opposite that (17) provided with the bolt (18), by a gripping finger (29, 30) defined adapted to cooperate with a cam (31) associated with the control member (13).   6. Fitting according to claim 5, characterized in that the cam (31) is defined for, in a first angular position (P1), lie on the longitudinal path of the gripping finger (29, 30) and, in a second angular position (P2), being erased with respect to this trajectory, in said first angular position (P1), said cam (31) being designed to register at the rear of a boss (33) that comprises, at its end, said latching finger (29, 30) for holding the attachment device (6, 7) in its inactive position (I).   7. Fitting according to any one of claims 3 to 6, characterized in that the resilient biasing means (12) are defined by a coil spring (24) taking position in a housing (25) provided at the face rear (4) of the fitting (1), said spring (24) cooperating with a tongue (27) integral with the slide (15, 16) extending inside said housing (25).   8. Fitting according to any one of claims 3 to 7, characterized in that the sliders (15, 16), corresponding to the two coupling devices (6, 7) acting in opposition, adopt a symmetrical arrangement with respect to the pivot axis of the cam (31) and have their respective gripping finger (29, 30) acting diametrically opposite on the cam (31).   9. Fitting according to any one of claims 3 to 8, characterized in that the slider or sliders 15, 16 fit between lateral guide flanges (34, 35) at the rear face (4) of the fitting (1).   10. Fitting according to any one of the preceding claims, characterized in that the locking means (11) are, again, means for maintaining the attachment device (s) (6, 7) in their active position (A). ).