ITBO20110623A1 - PERIPHERAL GROUP FOR MULTIPOINT LOCKS. - Google Patents

Description

PERIPHERAL GROUP FOR MULTIPOINT LOCKS

DESCRIPTION

The present invention relates to a peripheral unit for multipoint locks (â € œmultipoint locksâ €), in particular the invention refers to one of the groups through which the lock can guarantee the locking of the window on which it is installed, in areas distant from the lock itself (by means of suitable transmission organs interposed between the lock and the group itself). Multi-point locks consist of a substantially traditional device (a standard lock), equipped with associated return elements (generally placed above and / or below it), also with the interposition of appropriate organs in charge of further transmission of mechanical controls to specific peripheral groups provided with a respective bolt suitable for removable engagement within a housing recess facing it when the window or door is in the closed configuration.

Peripheral groups for traditional multi-point locks include only one deadbolt (or a plurality of deadbolts) that can be expelled or retracted following movements of the key in the lock: in practice, the deadbolt (or deadbolts) of each group are operated in translation in correspondence with an action of the user on the lock (to which the groups are enslaved) suitable to determine the movement of the bolt of the lock itself.

This technical solution determines a lower aptitude for complete and correct locking of the window on which the multi-point lock is installed (i.e. the actual lock and the respective peripheral groups): in fact, when the window is closed and the bolts have not been expelled (retracted configuration of the same), the window frame is kept in the closing configuration only by the latch in the actual (central) lock.

If the window has large dimensions, the presence of only the latch of the central lock could be insufficient to guarantee perfect and complete locking of the window during closing.

Similarly, the presence of only the latch of the central lock facilitates the break-in, as it is sufficient to cause the retraction of the same (by adopting suitable burglary tools) to allow the opening of the window.

The adoption, although rarely applied in practice, of peripheral groups provided only with at least one respective latch is known.

These multi-point locks guarantee the overcoming of the problems typical of those previously described (and more widespread): on the other hand, however, they offer fewer security guarantees against burglary when the lock is closed with more throws (bolt completely extracted) because © the only bolt is the one protruding from the central lock.

The extreme simplicity and small dimensions of the peripheral units are imposed by the installation requirements, similarly the return means and the return members provide housings of limited dimensions and do not provide for the possibility of substantial changes in the shape and structural and functional characteristics.

For these reasons, the implementation of the characteristics of the two known solutions has so far proved impossible, respecting the limitations imposed by the installation requirements and the regulatory requirements.

The peripheral groups of the known type, moreover, have the serious drawback of not being versatile.

In particular, if it is necessary to use the central lock by replacing the latch with a roller (when, for example, the window must be simply opened without using the handle but the closing configuration must be effectively guaranteed) the two peripheral groups, if they are of the type with latch, will prevent the functionality of this new configuration of use. The same will be possible only by eliminating the peripheral groups or, in any case, preventing their functioning.

The main aim of the present invention is to solve the above problems by proposing a peripheral unit for multi-point locks with high security against burglary having a shape and dimensions substantially similar to those of known types.

Within this aim, an object of the invention is to propose a peripheral unit for multipoint locks which is particularly versatile, therefore suitable for use on doors and windows provided with a latch and / or a roller in the central lock.

Another object of the invention is to propose a peripheral unit for multi-point locks suitable for guaranteeing high stability and rigidity of the door or window in the closed configuration.

Another object of the invention is to propose a peripheral unit for multi-point locks which is easy to install, in full compliance with the installation criteria of known types of units. A further object of the present invention is to provide a peripheral unit for multi-point locks of low cost, which is relatively simple in practice and safe to apply.

This task and these purposes are achieved by a peripheral unit for multipoint locks of the type comprising a box-shaped body provided with a translatable lever operatively associated with at least one bolt, movable from a rearward configuration in which it is completely housed inside said box-shaped body. to an extracted configuration in which it partially protrudes from a respective edge of said box-like body, said lever being enslaved to an external mechanical actuator, characterized in that it comprises a rotating angular unit hinged on one face of said box-like body, a first arm of said unit being associated with a sliding pin designed to support a latch, normally protruding from said edge of said box-like body by action of respective elastic means, said lever comprises a projection, coplanar to a protruding projection of a second arm of said unit, a translation of said lever towards a perimeter frame between said box-like body close to said protruding projection causing the displacement of said projection towards said frame by the action of said projection, with consequent rotation of the unit, said first arm of said unit, following said rotation, moving back towards the rear lamina of said box-like body by dragging the sliding pin and latch, in forcing of said elastic means, with consequent retraction of said latch within said box-like body.

Further characteristics and advantages of the invention will become clearer from the description of a preferred but not exclusive embodiment of the peripheral unit for multipoint locks according to the invention, illustrated by way of non-limiting example, in the accompanying drawings, in which: Fig. 1 is a perspective view of a multi-point lock provided with peripheral units according to the invention;

Fig. 2 is an exploded perspective view of a peripheral unit according to the invention; Fig. 3 is a perspective view of a peripheral unit according to the invention in a possible operating configuration;

figure 3a represents an enlarged detail of figure 3;

Figure 4 is a perspective view of a peripheral unit according to the invention without some components in the operating configuration of Figure 3;

Figure 5 is a perspective view of a peripheral unit according to the invention without further components in the operating configuration of Figure 3;

Figure 6 is a perspective view of a peripheral unit according to the invention in the operating configuration of Figure 3;

Figure 7 is a perspective view of a peripheral unit according to the invention in a further operating configuration;

Figure 8 is a perspective view of a peripheral unit according to the invention in another possible operating configuration;

Figure 9 is a perspective view of a peripheral unit according to the invention in a last operating configuration.

With particular reference to these figures, the number 1 globally indicates a peripheral unit for multipoint locks 2.

The multipoint locks 2 consist of a central lock A responsible for controlling all the locking components (latch, bolt and equivalent components) and one or more peripheral groups 1. The central lock A is operatively associated with the respective at least one group 1 peripheral by means of specific mechanical actuators B which, in the simplest version, are made up of elongated sliding bars: the complete actuation of groups 1, in this case, is therefore obtained only by using a translation of the elongated bars, imposed by external actions on the central lock A (such as the rotation of the cylinder key and the movement of the handle).

The peripheral unit 1 comprises a box-like body 3 provided with a translatable lever 4 operatively associated with at least one bolt 5.

The bolt 5 is movable from a rearward configuration (represented, for example, in figure 3) in which it is completely housed inside the box-like body 3, to an extracted configuration (represented, for example, in figure 7) in which it protrudes partially by a respective edge 6 of the box-like body 3.

Lever 4 is slaved to the external mechanical actuator B, in turn operatively associated with the central lock A.

The unit 1 according to the invention comprises a rotatable angular unit 7 pivoted in a specific portion of the face 8 of the box-like body 3.

A first arm 9 of this unit 7 is associated with a sliding pin 10 designed to support a latch 11.

The latch 11, during the regular operation of the multi-point lock 2, protrudes from the edge 6 of the box-like body 3 by the action of respective elastic means 12.

The lever 4 also comprises a projection 13, coplanar with a protruding projection 14 of a second arm 15 of the unit 7.

A translation of the lever 4 towards a perimeter frame 16 of the box-like body 3 (frame 16 close to the protruding projection 14) causes the displacement of the projection 14 towards the frame 16 by the action of the projection 13: in practice the projection 13, descending, enters in contact with the projection 14 and pushes it downwards, in correspondence with its further translation towards the frame 16. This determines a consequent rotation of the unit 7.

The first arm 9 of the unit 7, following rotation, moves back towards the rear lamina 17 of the box-like body 3, dragging the sliding pin 10 and the latch 11, forcing the elastic means 12 (which, in the embodiment shown in the annexes figures would be in compression), with consequent retraction of the latch 11 inside the box-like body 3.

According to a particular embodiment of undoubted practical and applicative interest, the lever 4 comprises a substantially terminal portion 18 provided with a shaped portion 19 of the type of a rack.

On the box-like body 3, in particular on a closing face 8a, there is a pinion 20 which rotates around its own axis: this pinion 20 has its teeth engaged in the shaped portion 19.

it should be specified that the pinion 20 is integral with a plate 21 provided with a protruding pin 22 housed in a slot 23 provided on a portion of the at least one bolt 5.

According to this embodiment, the translation of the lever 4 causes a rotation of the pinion 20 and of the plate 21, with consequent displacement, along a circular trajectory, of the pin 22 and, in solid form with it (due to the interference of the pin 22 with the slot 23), of the at least one bolt 5, the latter along a linear trajectory.

These displacements occur between two limit configurations, the first of complete extraction and the second of total insertion of the bolt 5 with respect to the box-shaped body 3.

With particular reference to a particularly effective and simple embodiment, the lever 4 is constituted by an elongated plate, provided at a first end 24 with coupling means with the external mechanical actuator B.

Said actuator B, in the embodiment shown in the attached figures, is constituted by a laminar beam 25.

The projection 13 (which, as already said, appears to be coplanar with the protruding projection 14) is, in this case, constituted by a laminar appendage facing the posterior lamina 17.

This projection 13 is arranged in proximity to the first end 24 of the laminar plate constituting the lever 4.

The shaped portion 19 is, again in this case, arranged along the perimeter of the laminar plate, near a second end corresponding to the terminal section 18.

In order to ensure optimum operation, the box-like body 3 comprises suitable internal walls 26 delimiting a first housing 27 for the corner unit 7 and a second housing 28 for the bolt 5.

With particular reference to this geometry of the box-like body 3, it is specified that the first seat 26 comprises pivot means 29 for the unit 7 and a flap 30, substantially parallel to the rear lamina 17.

The first arm 9 of the unit 7 is therefore movable (when the unit 1 is correctly assembled in use mode) from a first limit configuration, corresponding to the latch 11 completely extracted, in which it rests on the flap 30 at a second limit configuration, corresponding to the latch 11 completely retracted, in which it rests, with the possible interposition of the elastic means 12 in compression, on the rear lamina 17 of the box-like body 3.

In compliance with the illustrated geometry of the box-like body 3, the second seat 28 comprises a protruding pad 31 for coupling with a hole 32 of a rotating plate 33 provided with a protruding lip 34.

The protruding lip 34 is engaged within the slot 23 of the bolt 5: consequently, in correspondence with each translation of the bolt 5 the protruding lip 34 will also be dragged into movement, being able to rotate around the center of rotation of the plate 33 constituted from the protruding pad 31 housed in the hole 32.

The revolving plate 33 is also provided with a protruding claw 35, in turn housed within a respective opening 36 (in particular with an asolar shape) of a longitudinal member 37 having the end 38 (opposite to the one provided with the opening 36) substantially protruding from the box-shaped body 3.

The translation of the bolt 5, by the action of the rack 19 lever 4 on the pinion 20, causes a displacement of the lip 34, integral with the slot 23 in which it is housed, with consequent rotation of the plate 33; it also causes a displacement of the claw 35 and therefore of the longitudinal member 37.

The longitudinal member 37 is therefore movable between an extracted configuration, corresponding to the same configuration as the bolt 5 (the longitudinal member 37 is extracted, that is when the bolt 5 is also extracted), and a retracted configuration, corresponding to the same configuration as the bolt 5 (the spar 37 is retracted that is when the bolt 5 is retracted).

It should be pointed out that the flap 30 of the internal walls 26 has a recess 39 for the sliding housing of the support pin 10 of the latch 11.

An axial action spring constituting the elastic means 12 is interposed between the rear lamina 17 of the box-like body 3 and the head 40 of the pin 10. this allows and guarantees the constraint of the head 40 in a position substantially comprised between the flap 39 and the rear lamina 17.

This construction geometry therefore determines a maximum stroke for the movements of the head 40, a stroke that will conform to the stroke that the latch 11 must perform to pass from the configuration extracted to that withdrawn from the box-like body 3. With particular reference to this construction mode, the first arm 9 of unit 7 must include an end bifurcation 41 which must have a width greater than the width of the pin 10 (in order to accommodate it) and less than the diameter of the perimeter crown of the head 40.

This bifurcation 41 will therefore be suitable for housing the pin 10 and will be located between the flap 30, provided with the recess 39, and the head 40, provided with the perimeter crown, of the pin 10 itself.

The retraction of the bifurcation 41 will cause a retraction of the head of the pin 10 (with compression of the elastic means 12) and therefore of the latch 11: according to the embodiment of figure 2, this will occur whenever the downward translation of the lever 4 it will impose the support of the projection 13 on the projection 14 with displacement of the projection 14 downwards. The displacement of the projection 14 downwards will in fact cause a rotation of the unit 7 around the pivot means 29 and therefore a rotation of the upper arm 9 on which the bifurcation is made. In the hypothesis of assembly according to a different alignment, the directions of the movements will obviously be reversed.

According to an embodiment of undoubted practical and applicative interest, the pin 10 comprises, in its terminal area, a threaded cavity in which a corresponding threaded stem 42 can be engaged, with the possible interposition of an adhesive substance and / or of the type of a thread lock.

The latch 11 can be stably constrained (by gripping) to the pin 10 by tightening the threaded rod 42 in the corresponding threaded cavity of the pin 10 itself (also in this case the possible interposition of an adhesive substance and / or the type of a fillet lock).

In fact, the latch 11 comprises a through hole 43 suitable for housing the pin 10: the screwing of the stem 42 into the cavity of the pin 10, when the latch 11 is engaged on the pin 10 so that it is housed in the hole 43, determines the locking of the latch 11 on the pin 10 itself.

It is extremely important to specify that the latch 11 has a wedge shape, having an initial parallelepiped portion and a prismatic end, which has a first end face 44 oblique with respect to the sliding direction of the latch 11 during operation.

The second face 45, opposite to the oblique one, is instead orthogonal to the sliding direction of the latch 11 during operation.

The versatility of this construction solution is particularly evident if we consider that the latch 11 can be connected to the pin 10 according to two different configurations.

In an active configuration, the second face 45 is turned towards the rear lamina 17 of the box-like body 3 and the first face is turned outwards: in practice in this configuration the latch 11 is active and kept protruding by the action of the means elastic bands 12, a rotation of the unit 7 causes their retraction within the shape of the box-like body 3.

In a passive configuration it is instead the first face 44 that faces the rear lamina 17 of the box-like body 3 while the second face 45 faces outwards. In this passive configuration the second face 45 is fixed and substantially aligned with the boundary surface of the box-like body 3 (in particular with the edge 6). Any rotation of the unit 7 does not cause any movement of the latch 11 which remains fixed in the retracted configuration.

The operation of the invention is as follows, in correspondence with a mechanical consent of the actuators B coming from a command generated by the central lock A, the lever 4 undergoes a translation.

The translations of the lever 4 away from the frame 16 cause an extraction of the at least one bolt 5 (and also of the longitudinal member 37) following the movements of the kinematic mechanism described in the present report.

The translations of the lever 4 towards the frame 16 cause a retraction of the at least one bolt 5 (and also of the longitudinal member 37), in a first section of the path, and the retraction of the latch 11, in a second section of the path, thereafter. to the kinematic movements described in this report.

If a roller has been replaced in the central lock A for the latch (therefore the window must be able to be opened easily by simply pushing or pulling, without acting on the handle or key), it will be possible to mount the latch 11 with its inclined wall 44 facing the inside of the box-like body 3, thus keeping it completely and constantly retracted and disconnecting it from the movements of the lever 4.

Advantageously, the unit 1 according to the invention solves the problems described above, guaranteeing high security against burglary while maintaining the shape and dimensions substantially similar to those of known types.

Usefully, the unit 1 according to the invention solves the drawbacks described above, thanks to its high versatility, and therefore to its suitability for use on doors and windows provided with a latch and / or a roller in the central lock A.

Positively, the unit 1 according to the invention avoids defects typical of the known solutions described above, ensuring a high stability and rigidity of the door or window in the closed configuration.

It is not secondary to note that the unit 1 according to the invention is easy to install, in full compliance with the installation criteria of known types of units.

The invention thus conceived is susceptible of numerous modifications and variations, all of which are within the scope of the inventive concept; moreover, all the details can be replaced by other technically equivalent elements.

In particular, the latch 11 can be mounted on a sliding pin 10 in an adjustable manner in order to select the protrusion thereof from the edge 6.

It is also possible to produce an angular lever 7 in which the projection 14 is removable to meet specific application requirements and, in particular, to make the unit 1 according to the invention suitable for the operative association with a central lock A of the traditional type. (that does not provide for the possibility of also operating a latch 11).

In the illustrated embodiments, individual characteristics, reported in relation to specific examples, may actually be interchanged with other different characteristics, existing in other embodiments.

Furthermore, it should be noted that everything that in the course of the procedure for obtaining the patent turns out to be already known, is intended not to be claimed and subject to excerpt (disclaimer) from the claims.

In practice, the materials used, as well as the dimensions, may be any according to the requirements and the state of the art.

Claims (10)

R I V E N D I C A Z I O N I 1. Peripheral unit for multi-point locks (2) of the type comprising a box-like body (3) provided with a translatable lever (4) operatively associated with at least one bolt (5), movable from a rearward configuration in which it is completely housed in the inside of said box-like body (3) to an extracted configuration in which it partially protrudes from a respective edge (6) of said box-like body (3), said lever (4) being enslaved to an external mechanical actuator (B), characterized by the fact which comprises a rotatable angular unit (7) pivoted on a face (8) of said box-like body (3), a first arm (9) of said unit (7) being associated with a sliding pin (10) designed to support a latch (11), normally protruding from said edge (6) of said box-like body (3) by action of respective elastic means (12), said lever (4) comprises a projection (13), coplanar to a projection (14) projecting of a second arm (15) of said unit (7), a by translation of said lever (4) towards a perimeter frame (16) of said box-like body (3) close to said protruding projection (14) causing the displacement of said projection (14) towards said frame (16) by action of said projection (13), with consequent rotation of the unit (7), said first arm (9) of said unit (7), following said rotation, moving back towards the rear lamina (17) of said box-like body (3) by dragging the pin (10) sliding and latch (11), in forcing of said elastic means (12), with consequent retraction of said latch (11) within said box-like body (3). 2. Peripheral unit, according to claim 1, characterized in that said lever (4) comprises a substantially terminal portion (18) provided with a shaped portion (19) of the type of a rack, a rotatable pinion (20) around its own axis, having the teeth engaged in said shaped portion (19), being integral with a plate (21) provided with a protruding pin (22) housed in a slot (23) provided on a portion of said at least one bolt (5) , the translation of said lever (4) causing a rotation of said pinion (20) and of said plate (21), with consequent displacement, along a circular trajectory, of said pin (22) and, solidly thereto, of said bolt (5), along a linear trajectory, between two limit configurations, the first of complete extraction and the second of total insertion with respect to said box-like body (3). 3. Peripheral unit, according to claim 2, characterized in that said lever (4) is constituted by an elongated plate, provided at a first end (24) with a protruding lip (25) with respect to said perimeter frame (16) , suitable for coupling with said external mechanical actuator (B), said projection (13), coplanar to said protruding projection (14), being constituted by a laminar appendage facing towards said rear lamina (17) and being arranged near the said first end (24) of said laminar plate, said shaped portion (19) being arranged along the perimeter of said laminar plate, near a second end. 4. Peripheral unit, according to claim 1, characterized in that said box-like body (3) comprises suitable internal walls (26) delimiting a first housing seat (27) for said corner unit (7) and a second seat (28) housing for said bolt (5). 5. Peripheral unit, according to claim 4, characterized in that said first seat (27) comprises pivot means (29) for said unit (7) and a flap (30), substantially parallel to said rear lamina (17), said arm (9) of said unit (7) being movable from a first limit configuration, corresponding to the latch (11) completely extracted, in which it rests on said flap (30) to a second limit configuration, corresponding to the latch ( 11) completely retracted, in which it rests, with the possible interposition of said elastic means (12) in compression, on said rear lamina (17) of said box-like body (3). 6. Peripheral unit, according to claim 4, characterized in that said second seat (28) comprises a protruding pad (31) for coupling with a hole (32) of a rotating plate (33) provided with a protruding lip ( 34), engaged within said slot (23) of said bolt (5), and of a protruding claw (35) housed in a respective opening (36) of a longitudinal member (37) having the end (38) opposite to that provided with the opening (36) substantially protruding from said box-like body (3), the translation of said bolt (5), by the action of said lever (4) on said pinion (20), causing a displacement of said lip (34) , integral with the slot (23) in which it is housed, with consequent displacement of said plate (33), of said claw (35) and therefore of said longitudinal member (37), said longitudinal member (37) being movable between an extracted configuration , corresponding to the extracted configuration of said bolt (5), and a configu retracted ration, corresponding to the retracted configuration of said bolt (5). 7. Peripheral unit, according to one or more of the preceding claims, characterized in that said flap (30) of said internal walls (26) has a recess (39) for the sliding housing of said support pin (10) for said latch (11), between said rear lamina (17) of said box-like body (3) and the head (40) of said pin (10) being interposed an axial action spring constituting said elastic means (12), the head (40 ) of said pin (10) presenting a protruding perimeter crown larger than the width of said recess (39) for the constraint of said head (40) in a position substantially included between said edge (30) and said rear sheet (17) . 8. Peripheral unit, according to one or more of the preceding claims, characterized in that said first arm (9) of said unit (7) comprises an end bifurcation (41) having a width greater than the width of said pin (10) and lower to the diameter of said perimeter crown, said bifurcation (41) being suitable for housing said pin (10) and being arranged between said flap (30) provided with a recess (39) and the head (40), provided with perimeter crown , of the pin (10) itself. 9. Peripheral unit, according to one or more of the preceding claims, characterized in that said pin (10) comprises, in its terminal area, a threaded cavity in which a corresponding threaded stem (42), said latch (11), can be engaged being stably constrained to said pin (10) by tightening said threaded rod (42) in the corresponding threaded cavity of said pin (10), when a through hole (43) of said latch (11) houses said pin (10) . 10. Peripheral unit, according to the preceding claim, characterized in that said latch (11) has a wedge shape, having an initial parallelepiped portion and a prismatic terminal, with a first oblique end face (44) with respect to the sliding direction of said latch (11) during operation, a second face (45), opposite to the oblique one (44), being orthogonal to the sliding direction of said latch (11) during operation, said latch (11) being connectable to said pin ( 10) in an active configuration in which said second face (45) faces the rear lamina (17) of said box-like body (3) and said first face (44) faces outwards, and in a configuration passive in which said first face (44) faces the rear lamina (17) of said box-like body (3) and said second face (45) faces outwards, in said passive configuration said second face (45 ) eg being fixed and substantially aligned with the boundary surface of said box-like body (3).