ITAN20100176A1 - STATIONARY DEVICE WITH SELECTABLE POSITION. - Google Patents

Description

â € œSHOW LOCKING DEVICE WITH SELECTABLE POSITIONâ €.

TEXT OF THE DESCRIPTION

The present patent application for industrial invention relates to a shutter stop device with selectable position.

The invention in question has been conceived in order to solve a problem that has been extremely felt for some time, namely that of the stable stop in the open position of the shutters adopted in correspondence with the windows and French windows.

As is known, the need to stop the shutters in the aforementioned opening position is manifested by the fact that, in the absence of such a device, they would tend, under the action of a sufficiently sustained wind , to close in an uncontrolled way or, even worse, to slam, rotating around their respective hinges.

To cope with such a need, it is normally envisaged that each shutter can be fixed in a fully open position by means of traditional hooks fixed on the external wall of the building, on the sides of the respective window.

Naturally, such locking can be performed when the shutter has completed its rotation in opening, for an angle of approximately 180 °, until it abuts against the aforementioned external wall of the building.

Well, such a solution, despite its enormous diffusion, does not fail to present some drawbacks of considerable importance.

First of all, it should be noted the difficulty and discomfort that the user can often encounter - also in relation to his height and his general physical state - when he has to manually operate the aforementioned shutter hooks.

In fact, he is called to lean out of the window to a considerable extent, since only in this way can he reach the hook mounted on the outside of the latter with his hand.

It should also be said that these shutter hooks are also made in a version capable of automatically hooking the respective shutter when they feel the interference of the lower edge of the same.

This means that in this case, therefore, the user can obtain the shutdown of the shutter much more easily, simply pushing it into the aforementioned opening limit position, until it interferes with the respective hook. â € œautomatic stopâ €.

However, when it is a question of freeing the shutter from the grip of such an automatic hook, the user is in any case forced to manually intervene on it and is therefore called to lean out of the respective window.

A further drawback of such traditional technology is certainly recognizable in the difficulties and inconveniences associated with the assembly of the aforementioned retaining hooks on the outside of the buildings, especially when this operation must be carried out in correspondence with the windows of the higher floors.

Finally, consider that the aforementioned shutter hooks, both in the manually operated version and in the automatic coupling version, have the further limit of being able to lock the shutters only in their maximum opening position and not even in a partial opening, as it would be advisable perhaps in the presence of a particularly cold or particularly hot outside temperature.

The specific purpose of the present invention is to introduce a new solution for stopping the shutters effectively capable of overcoming the aforementioned drawbacks.

This new technology, in fact, entrusts the task of stopping the shutters in the opening position by means of an unprecedented device that connects a typical swing shutter, made with metal profiles, and the respective frame with frame fixed in the masonry of the window.

More precisely, this device includes an oscillating arm which is pivoted, at its rear end, under the crossbar of the aforementioned frame of the shutter.

The front end of this same arm, on the other hand, is pivoted above a slider, substantially consisting of a long metal strip, installed inside the traditional longitudinal groove provided in correspondence with the upper face of the crosspiece of the respective shutter.

It is also important to point out that this same cursor has a longitudinal series of identical circular through holes.

The further component of this new shutter stop device consists of a bolt mounted vertically on the shutter, in correspondence with the upright on which the hinges are fixed.

In fact, this latch is equipped with a tip capable of selectively settling, from the bottom upwards, within the holes of the aforementioned cursor.

In this context, it should also be noted that the aforementioned oscillating arm fixed to the cross member of the frame has the ability to impose alternative strokes to the aforementioned slider, depending on the specific position that the tax assumes in relation to the respective frame.

In fact, when the shutter is in its closing position, installed in the â € œlightâ € of its frame, the oscillating arm keeps the aforementioned cursor completely inside the respective groove provided in correspondence with the crosspiece of the tax.

Instead, as the shutter rotates outwards, the same oscillating arm causes the cursor to progressively slide backwards, so as to make it take on an increasingly accentuated cantilevered position with respect to the upright on which they are apply the hinges.

During this sliding back of the cursor, the aforementioned holes made on it are gradually carried along the vertical of the aforementioned bolt, which - as mentioned - is mounted on the shutter right in correspondence of the upright equipped with hinges.

On this basis, it is easy to understand how the stop of the shutter in the open position can be easily obtained on the sole condition of facilitating the insertion of the tip of the bolt into one of the holes of the aforementioned slider.

This condition, in fact, prevents the slider itself from being able to slide freely inside the respective groove of the crossbar of the shutter.

In this way the rotation of the shutter itself and of the aforementioned swinging arm integral with it is blocked.

It goes without saying that, in a similar technical-functional context, the presence of the aforementioned series of holes provided on the slider is justified precisely by the possibility of making, by means of the same latch, the stop of the tax on different opening angles.

However, it is believed that this first description of the invention allows to appreciate the advantageous characteristics of the same, also in relation to its ability to be installed by the respective installer and to be operated by the respective user without one, neither should they ever reach the outside of their respective window.

It is like saying that the assembly and operation of this new shutter stop device can take place in a much more comfortable and safe way than is possible in the presence of the aforementioned prior art.

For greater explanatory clarity, the description of the invention continues with reference to the attached drawing tables, having only illustrative and certainly not limiting value, in which:

- figure 1 is an axonometric representation of the tax stop device in question, not yet installed on the respective frame;

- figure 2 is similar to the previous one, but shows the aforementioned device mounted on the respective frame;

- figure 3 is an axonometric representation showing the new shutter stop device in a different condition of use, but without yet having blocked the rotation of the respective shutter;

- figure 4 is similar to the previous one but shows the same device in the structure that stops the rotation of the tax;

- figure 5 is substantially similar to the previous one, but contains some sectioned parts;

- figure 6 is similar to figure 3 with the difference that it shows the whole of the aforementioned tax and the respective frame frame with a lower level of detail;

- figure 7 is a section of figure 6 with the plane A-A;

- figure 8 is a section of figure 6 with plane B-B;

- figure 9 is an axonometric representation that shows the device in question in the structure assumed when the respective tax is carried out in closed position.

With reference to the attached figures, it is first of all confirmed that the device in question is intended to be mounted in an intermediate position between a traditional shutter (IM) and the respective frame frame (T) drowned in the masonry of the respective window, both made with metal profiles.

In particular, this new device makes use of a lever mechanism (L) formed by the following mutually cooperating components.

The first of these components consists of a plate (1) which incorporates at the top two shaped profiles (1a) able to settle and hook into the traditional longitudinal groove (S) that is generated, in correspondence with the lower face of the crosspiece (TT) of the frame. frame (T), between two parallel stiffening ribs (C), as expressly shown in figure 8.

The same figure 8 allows you to check how this plate (1) is firmly fixed inside the aforementioned groove by means of an interlocking stop screw (G) installed in an inclined position.

Figures 6 and 9 allow you to check in particular how said plate (1) is fixed to the aforementioned cross member (TT) of the frame frame (T) near the upright of the latter (MT) in correspondence with which apply the hinges that allow the rotation of the respective shutter (IM).

With regard to the latter, it should be noted that figures 2, 3, 4, 5 and 6 show the device according to the invention from the outside of the respective window, while figure 9 shows it from the inside of the window itself.

The second component of the aforementioned lever mechanism (L) consists of a slider (2), made in the form of a shaped strip (preferably molded in plastic) able to settle exactly, with the possibility of alternative sliding, inside the longitudinal groove (S1 ) which is generated, in correspondence with the upper face of the crossbar (TIM) of the shutter (IM), between two parallel stiffening ribs (C1), as expressly shown in figures 7 and 9.

Figures 1 and 2 also allow us to verify how this cursor (2) carries a longitudinal series of circular through holes (2b, 2bâ € ™) located towards its rear end (2a), as well as an opposing pair of longitudinal steps ( 2c) performed towards the top of its aforementioned posterior extremity (2a) and therefore capable of thinning the section.

The third component of the aforementioned linkage (L) consists of a straight arm (3), made with a metal plate, which has a circular hole (3a) located approximately halfway along its length.

The rear end (3b) of this arm (3) is pivoted, by means of a first vertical axis pin (P1), under the aforementioned plate (1) seated in the crossbar (TT) of the frame (T), while its front end (3c) is pivoted above the aforementioned cursor (2), towards the front end (2d) of the same, by means of a second vertical axis pin (P2 ).

It should also be noted that said arm (3) has, in correspondence with one of its longitudinal edges and in a position between its aforementioned rear end (3b) and its aforementioned hole (3a), a projection (3d) which projects briefly downwards, beyond the thickness of the arm itself (3).

In the context of the shutter stop device according to the invention, the aforementioned lever mechanism (L) is required to cooperate with a bolt (4) mounted vertically on the outside of the upright (MIM) of the tax (IM) on which fasten the hinges.

This bolt (4) ends at the top with a tip (4a) capable of settling both in the aforementioned holes (2b, 2bâ € ™) of the slider (2) and in the aforementioned hole (3a) of the arm (3).

Well, the aforementioned reciprocal pivoting modes provided between the plate (1), the arm (3) and the cursor (2) ensure that the leverage (L) formed by them is in a position to modify its structure as a consequence of the rotations alternatives of the swing tax (IM) with respect to the aforementioned fixed frame (T).

Figure 9 shows in particular the structure assumed by the aforementioned leverage (L) when the shutter (IM) is in its closing position, that is to say inside the respective frame frame (T ) fixed to the window masonry.

Well in this context the cursor (2) is entirely contained within the crossbar (TIM) of the tax (IM), in correspondence with the aforementioned respective groove (S1), while the aforementioned arm (3 ) overlaps it perfectly, substantially along its entire length.

However, as the shutter (IM) is rotated outwards with respect to the aforementioned upright (MT) of the frame frame (T), the aforementioned arm (3) also has to perform a Analogous rotation with respect to the aforesaid plate (1) stably housed in the crosspiece (TT) of the frame (T), exploiting the presence of the aforesaid first pivot pin (P1).

The combined effect of the rotation of the shutter (IM) and the rotation of this arm (3), causes the front end (3c) of the latter to impose a push backwards on the ™ aforementioned slider (2), so as to make it slide progressively out of the respective housing groove (S1), in a position in which its rear end (2a) is cantilevered with respect to the aforementioned upright (MIM) tax (IM) hinged to the frame frame (T).

The further consequence that occurs during the first phase of the tax rotation (IM) is that the arm (3) and the cursor (2) gradually tend to â € œdivarateâ € assuming a structure substantially at â € œVâ € which can be verified punctually through the aforementioned figures 1 and 2.

However, as the opening rotation of the same shutter (IM) continues, the aforementioned gap between the arm (3) and the cursor (2) tends to gradually decrease.

In fact, when the shutter (IM) has reached its maximum opening, the aforementioned arm (3) and cursor (2) are again perfectly superimposed, as shown in figure 3.

In any case, it is important to underline that the aforementioned sliding back of the slider (2), outside the respective housing groove (S1), causes its aforementioned holes (2b, 2bâ € ™) move progressively above the aforesaid bolt (4) mounted in correspondence with that aforesaid upright (MIM) of the tax (IM).

In this context, the first of these holes (2b), the one closest to the rear end (2a) of the slider (2), moves above the bolt (4) in the presence of the initial rotation when opening the ™ tax (IM), while all the other holes (2b, 2bâ € ™) of the series respectively reach this same condition as the opening rotation of the same tax (IM) continues.

For its part, the last of these holes (2bâ € ™), the one closest to the center of the cursor (2), moves above the bolt (4) when the shutter (IM) has reached the maximum possible opening angle.

With regard to the latter, it is emphasized that the opening limit switch of this shutter (IM) is not obtained when the latter has performed a rotation of about 180 ° (starting from its closing position), perhaps up to the stop. against the outer wall of the building.

This opening end-of-stroke point is obtained, on the other hand, as Figures 3, 4, 5 and 6 show, when the aforementioned arm (3) of the device according to the invention comes to interfere during its rotation. jointly with the tax (IM), against the crossbar (TIM) of the tax itself (IM).

In any case, it is easy to understand how the user of such a device will be able to achieve the desired tax stop (IM), at any desired opening angle, simply by selectively inserting, from bottom to top, the tip (4a) of the aforesaid bolt (4) inside one of the holes (2b, 2bâ € ™) of the aforesaid slider (2), as shown in figure 1.

In fact, this bolt (4) causes the slider (2) to stop along the respective housing groove (S1) and consequently prevents the arm (3) that cooperates with it from rotating again between the slider itself (2) and the aforementioned plate (1).

With regard to the latter, please refer expressly to figures 3 and 4, the consultation of which is also interesting in order to clarify a further aspect of the operation of the device in question.

It has already been said that when the shutter (IM) reaches the end of stroke point in opening, the arm (3) and the cursor (2) will again overlap perfectly.

Well this condition justifies the presence of the aforementioned â € œmedianâ € hole (3a) of the arm (3).

In fact, consider that the specific location of this hole (3a) has been studied so that it is in perfect alignment with the aforementioned last hole (2bâ € ™) of the cursor (2), when the arm (3) and slider (2) are in the aforementioned condition of exact overlap shown precisely in figures 3 and 4.

It is precisely this device that allows the tip (4a) of the bolt (4) to penetrate both the hole (2bâ € ™) of the cursor (2) and the hole (3a) of the overlying arm (3) at the same time and to lock the leverage in question (L).

In this last regard, attention is drawn to the aforementioned projection (3d) provided in correspondence with the longitudinal edge of the aforesaid arm (3).

The function of this prominence (3d) is to reach the stop, on the occasion of the complete opening of the tax (IM). against the longitudinal step (2c) made on the respective side of the rear end (2a) of the slider (2).

Such interference serves to prevent the arm (3) from continuing its rotation beyond the aforementioned position of perfect overlap with the cursor (2), given that if this condition really occurs, the necessary alignment between the The aforementioned hole (3a) of the arm (3) and the last of the holes (2bâ € ™) of the slider (2), with the effect of making it impossible to insert the tip (4a) of the bolt (4) at the same time ) inside them.

With reference to the enlargement of figure 6, it is also specified that the external edge of the crossbar (TIM) of the shutter (IM) has, exactly at the point of connection with the underlying upright (MIM1), two bevels (Z) made in correspondence with the traditional stiffening ribs present in the metal frames.

The adoption of these bevels (Z) was foreseen to allow the insertion of the cursor (2) inside the aforementioned housing groove (S1) provided in correspondence with the upper face of the aforementioned crosspiece (TIM ).

Apart from what has been referred to so far and from what is expressly shown in the attached figures, it must finally be said that the present inventive idea lends itself to finding advantageous implementation, as well as on metal frames, also on frames made of wood or PVC.

In this sense, it is sufficient to provide a suitable seat to allow the insertion and locking of the aforementioned plate (1) in correspondence with the crosspiece of the frame frame of a similar wooden or PVC window, as well as a housing and guide for the aforementioned cursor (2) in correspondence with the crosspiece of the respective shutter.

Claims (4)

CLAIMS 1) Shut-off device with selectable position comprising the following components: - a lever mechanism (L) using a straight arm (3), whose rear end (3b) is able to be pivoted, with respect to a first vertical axis pin (PI), in a fixed point of the crosspiece (TT) of the frame frame (T) of a swing shutter (IM), while its front end (3c) is pivoted, with respect to a second vertical axis pin (P2), above the front end (2d ) of a slider (2) adapted to be slidably seated in a longitudinal groove (S1) present above the crossbar (TIM) of the aforementioned shutter (IM); it being foreseen that the aforementioned slider (2) is equipped, at its rear end (2a), with a longitudinal series of circular holes (2b, 2bâ € ™) and that the aforementioned arm (3) has a hole (3a) designed to be in perfect alignment with the last (2bâ € ™) of these holes in the slider (2), when the arm (3) and slider (2) are brought into an exact overlapping position ; - a latch (4) designed to be mounted vertically on the outside of the upright (MIM) of the swing shutter (IM) on which the respective hinges are fixed; it being provided that said bolt (4) ends at the top with a point (4a) able to selectively settle in the aforementioned holes (2b, 2bâ € ™) of the aforementioned slider (2), as they reach its vertical a following the sliding back of the same slider (2), outside the respective longitudinal groove (SI), which occurs progressively on the occasion of the opening rotation of the same tax (IM); it being foreseen that the same tip (4a) of this bolt (4) is also able to settle simultaneously in the last (2bâ € ™) of the aforementioned slider holes (2) and in the aforementioned hole (3a) of the arm (3), when said holes (2b \ 3 a) are arranged in perfect alignment coinciding with the aforementioned exact overlapping position of the same slider (2) and arm (3). 2) Device according to claim 1, characterized in that aforementioned first vertical axis pin (PI), in correspondence with which the rear end (3b) of the aforementioned straight arm (3) of the lever mechanism is pivoted ( L), protrudes downwards from a plate (1) which incorporates shaped profiles (la) at the top which are able to remain in place and stably locked inside a longitudinal groove (S) made in correspondence with the lower face of the crosspiece (TT) of the aforementioned frame frame (T). 3) Device according to claim 2, characterized by the fact that the aforementioned plate (1) is able to be fixed inside the respective longitudinal groove (S) by means of a grit (G) placed in an inclined position . 4) Device according to one or more of the preceding claims, characterized in that the aforesaid arm (3) carries, in correspondence with one of its longitudinal edges and in a position between its aforesaid rear end (3b) and its aforesaid hole (3 a), a projection (3d) which projects briefly downwards, beyond the thickness of the arm itself (3); it being foreseen that said projection (3d) is able to abut against a longitudinal step (2c) executed laterally to the aforementioned rear end (2a) of the cursor (2), when the perfect alignment between the instead of the last hole (2bâ € ™) of said slider (2) and the hole (3 a) of said arm (3).