EP3822447A1

EP3822447A1 - Structure for highly versatile sliding architectural elements

Info

Publication number: EP3822447A1
Application number: EP20207191.6A
Authority: EP
Inventors: Giovanni Maggioni; Maurizio Maggioni
Original assignee: Protek Srl
Current assignee: Protek Srl
Priority date: 2019-11-13
Filing date: 2020-11-12
Publication date: 2021-05-19
Anticipated expiration: 2040-11-12
Also published as: IT201900021078A1; EP3822447B1; ES2929279T3

Abstract

Structure (1) for sliding architectural elements comprising: an in-wall frame (2) which comprises a first (11) and a second (12) vertical main faces parallel and opposite to each other, an open passage face (13), an upper face (14) and a lower base (15), the main faces (11, 12) comprising a plurality of vertical posts (20, 30, 23, 24). A sliding body (3) slides inside the in-wall frame (2) along a horizontal sliding axis (X), between a retracted position and an extracted position. The vertical posts (22, 30, 23, 24) comprise: at least a first asymmetrical vertical post (20) which can be fixed in a removable way on the first main face (11), having a protruding tab (22) which projects transversely with respect to the main planar wall (21); a first symmetrical vertical post (30) which can be fixed in a removable way on said first main face (11) of the in-wall frame (2). The first main face (11) of the in-wall frame (2) can be configured at least: in a configuration for plasterboard in which said first asymmetrical vertical post (20) is fixed on said first main face (11) along an edge of the open face (13), with the protruding tab (22) projecting towards the outside of the in-wall frame (2), and in which said first symmetrical vertical post (30) is fixed on the main face (11) at an end distal with respect to the open face (13), so as to house a plasterboard panel or the like; and in a configuration for boiserie in which the asymmetrical vertical post (20) is fixed to the end of the first main face (21) which is distal to the open face (13), with the protruding tab (22) projecting towards the sliding axis (X), so that the main face (11) is configured to house a boiserie panel or the like.

Description

The present invention relates to a structure for sliding architectural elements, useful and practical in the field of domestic construction and interior design.
The architectural elements to which we refer are the elements that are part of the interior layout of a house, both structural, functional, and purely aesthetical, such as doors, partitions or dividing elements in general, furniture elements (bookcases, shelves, beds, shoe racks), furniture accessories, etc.
Structures for sliding doors are known which comprise a in-wall frame provided with a carriage that slides inside a guide so that the door can be opened and closed smoothly inside the in-wall frame.
In these known structures, the in-wall frame must be walled inside a wall and the door then opens by sliding inside that wall.
Structures are also known in which, instead of the door, it is a shelving or other piece of furniture that slides inside the in-wall frame. Even in this case, however, the in-wall frame must be integrated within a wall.
These structures for sliding architectural elements, although useful and practical, have the disadvantage of being not very versatile, since they require the presence of a wall in which they are installed and to which they are constrained.
Another disadvantage of the structures for known sliding architectural elements consists in the fact that their installation, as well as any removal or displacement, requires invasive and expensive interventions, such as masonry interventions. Another disadvantage of the structures for known sliding architectural elements consists in the fact that each of them is, in terms of shape and size, suitable for a single type of sliding architectural element and not very adaptable to different requirements.
Aim of the present invention is to overcome the limits and disadvantages of the prior art described above, by devising a structure for sliding architectural elements that is more versatile.
Within this aim, an object of the present invention is to provide a structure for sliding architectural elements which is more adaptable to the various requirements. Another object of the invention is to provide a structure for sliding architectural elements which need not necessarily to be fastened to a wall.
A further object of the invention is to provide a structure for sliding architectural elements which is easier to install, remove and possibly move.
Not least object of the invention is to provide a structure for sliding architectural elements which is easy to realize and economically competitive if compared to the known art.
The aforementioned aim, as well as the aforementioned objects and others which will hereinafter become clearer, are achieved by way of a structure for sliding architectural elements according to claim 1.
Further characteristics and advantages will become clearer from the description of some preferred but not exclusive embodiments of a structure for sliding architectural elements, disclosed by way of non-limiting examples with the aid of the attached drawings in which:

Figure 1 is a perspective view of a first possible embodiment of the structure for sliding architectural elements according to the invention;
Figure 2 is a second possible embodiment of the structure for sliding architectural elements according to the invention;
Figure 3 is a third possible embodiment of the structure for sliding architectural elements according to the invention;
Figure 4 is a perspective view of an embodiment of the in-wall frame of the structure for sliding architectural elements, configured for plasterboard applications;
Figure 5 is a plan view of the base of the in-wall frame of figure 4 configured for plasterboard applications;
Figure 6 is an enlarged detail of figure 5;
Figure 7 is a perspective view of the frame of figure 5 in configuration for boiserie;
Figure 8 is a plan view of the base of the in-wall frame of figure 7 in the configuration for boiserie;
Figure 9 is an enlarged detail of figure 8;
Figure 10 is a perspective view of part of the in-wall frame of Figure 5 in a step for switching to the configuration to plaster a wall;
Figure 11 is the in-wall frame of Figure 10 in a configuration to plaster a wall;
Figure 12 is a perspective view of the base of the in-wall frame of figures 4-11;
Figure 13 is an exploded view of the base of Figure 12;
Figure 14 is a fourth possible embodiment of the structure for sliding architectural elements according to the invention;
Figures 15, 16 and 17 are enlarged details of the structure of Figure 14;
Figures 18 and 19 are plan views of part of a possible embodiment of the base of the in-wall frame in two different configurations in which the thickness is varied;
Figure 20 is a detail of figure 18;
Figure 21 is a detail of figure 19;
Figures 22 and 23 are details of some components of the base of figures 18 and 19;
Figures 24, 25, 26, and 27 correspond to figures 18, 19, 20, and 21 in which an guiding element is provided;
Figures 28 and 29 are perspective views of an guiding element;
Figure 30 is a perspective view of part of a fifth possible embodiment of the structure for sliding architectural elements according to the invention;
Figure 31 is a top plan view of part of the upper face of the in-wall frame of the structure of Figure 30;
Figure 32 is a detail of part of the upper face of the in-wall frame of the structure of
Figure 30 in a different configuration in which the thickness is varied;
Figure 33 is a perspective view of the structure of Figure 30 in a subsequent assembly step in which further elements are present;
Figure 34 is a sectional view along a vertical plane of part of the structure of Figure 33;
Figure 35 is a perspective view of the structure of Figure 33 in a different configuration in which the thickness is varied;
Figure 35A is a perspective detailed view of Figure 35;
Figures 36 and 37 are sectional views along a vertical plane of part of the structure of Figures 33 and 35 respectively;
Figures 38 and 39 are perspective views relating to a particular embodiment of the mechanical fixing body;
Figures 40 and 41 are perspective views relating to a square having an "L" section.

With reference to the aforementioned figures, the structure for sliding architectural elements, globally indicated with the reference numeral 1, comprises a in-wall frame 2 and a sliding body 3 which is sliding inside the in-wall frame 2.
In some embodiments, the sliding body 3 comprises a support frame arranged to support an architectural element (such as a door or a wall, etc.) or a piece of furniture (such as a bookcase, a folding bed, etc.).
In other embodiments, the sliding body 3 is constituted by an architectural or furniture element (for example a slide-away door).
The in-wall frame 2 can be fixable to a fixed architectural element (a wall and/or a ceiling) and possibly integrated into it (for example, embedded into a wall).
The in-wall frame 2 substantially has the shape of a parallelepiped and comprises a first and a second vertical main face, 11 and 12, parallel and opposite to each other, that is to say a first vertical main face 11 which is parallel and opposite to a second vertical main face 12. The aforesaid faces are to be understood as the geometric faces of the parallelepiped constituted by the in-wall frame 2 on which the vertical posts 20, 30, 23, 24 are fixed, which will be described below and not as continuous physical walls.
The in-wall frame 2 then comprises: an open passage face (or window) 13 vertical and perpendicular to the main faces 11, 12 (preferably consisting of an opening defined between the two main faces 11, 12); a horizontal upper face 14; and a horizontal lower base 15.
At least the main faces 11, 12, comprise a plurality of vertical posts 20, 30, 23, 24 suitable for connecting (and fixing) the upper face 14 with the lower base 15. Preferably, these vertical posts 20, 30, 23, 24 comprise a plurality of vertical posts 20, 30, 23, 24 positioned on the main faces 11, 12 and, also, one or more rear vertical posts 24, positioned on a rear face opposite to the open passage face 13. Optionally, the at least one rear post 24 is connected to at least one vertical post 21, 22, 23 positioned on one of the main faces 11, 12 and which is adjacent to it by way of a square 27 (shown in Figures 40 and 41) having a "L" section and which preferably comprises at least one end tab 28 which fits into a shaped edge of the rear post 24; the shaped edge preferably extends for the entire length of the rear post 24 and therefore the square 27 can be fixed at any height.
The sliding body 3 is arranged to slide inside the in-wall frame 2, through the open passage face 13.
More precisely, the sliding body 3 slides parallel to the first and the second main face, 11 and 12, along a horizontal sliding axis X, between a retracted position in which it is included at least for a majority part inside the in-wall frame 2 (and therefore closer to the rear wall) and an extracted position in which it protrudes at least for a majority part outside from the in-wall frame 2 itself, protruding from the open face 13 (and therefore further away from the rear wall).
The expression "at least for a majority part" means more than half of its extension along the sliding axis X.
Preferably, in the retracted position, the sliding body 3 is completely enclosed within the in-wall frame 2. In some embodiments, in the extracted position the sliding body 3 is completely outside the in-wall frame 2.
In some embodiments, including those illustrated in Figures 3 and 30, the sliding body 3 is in practice constituted by a support structure, or frame, to which an architectural or furniture element can be fixed (for example a door or a storage cabinet) which, in turn, will slide inside the in-wall frame 2.
In the latter embodiments (Figure 2) the sliding body 3 preferably comprises an upper longitudinal support element positioned adjacent to the upper face 14 of the in-wall frame 2.
In some of these embodiments, the upper longitudinal support element 31' is slidingly coupled to the upper face 14 of the in-wall frame 2, being for example provided with a sliding coupling portion in the form of a sliding block inside a guiding groove comprised in the aforementioned upper face 14.
In other embodiments in which the sliding body 3 is constituted by or comprises an architectural or furniture element (for example a door or a storage cabinet) as in figure 2, there is a fixed upper longitudinal support element 31 fixed to the upper face 14 of the in-wall frame 2 and which operates as a guide for making slide the sliding body 3; in these cases the fixed upper longitudinal support element 31 can be considered an integral part of the in-wall frame 2.
Even more preferably, the sliding body 3 also comprises an external vertical element 320 which slides integrally with the rest of the sliding body 3, fixed to the distal end of the sliding body 3, or the in-wall frame 2 comprises a fixed vertical edge element 32 fixed to the distal end of the fixed upper longitudinal support element 31, distally from the in-wall frame 2.
Optionally, the sliding body 3 also comprises a horizontal support base 33 positioned adjacent to the lower base 15 of the in-wall frame 2, sliding as to this. Preferably, one or more wheels 80 are coupled to this support base 33. This support base 33 is preferably fixed in a removable manner to the lower part of the sliding body 3 by way of suitable fastening means.
According to the invention, the vertical posts 20, 30, 23 positioned on the main faces 11, 12 of the in-wall frame comprise:

at least one first asymmetrical vertical post 20 which can be fixed in a removable way on the first main face 11 of the in-wall frame 2, and
at least one first symmetrical vertical post 30 which is substantially planar and can also be fixed in a removable way on the first main face 11 of the in-wall frame 2. The first asymmetrical vertical post 20 comprises a main planar wall 21 and a protruding tab 22 which projects (protrudes) transversely as to the main planar wall 20. Preferably the protruding tab 22 has a substantially "S" section and comprises a first portion which extends transversely as to the main planar wall 21, an intermediate portion which extends parallel to the main planar wall and a third outermost portion which extends transversely with respect to the main planar wall 21.

In this way the main face 11 of the in-wall frame 2 can be configured at least in a configuration for plasterboard applications and in a configuration for boiserie.
In the configuration for plasterboard the first asymmetrical vertical post 20 is fixed on the first main face 22 along an edge of the open face 13, with the protruding tab 22 that projects towards the outside of the in-wall frame 2; still in the configuration for plasterboard, the first symmetrical vertical post 30 is fixed on the main face 11 at one end of this, which is distal from the open face 13.
In this way, in the configuration for plasterboard, the main face 21 is configured to accommodate a plasterboard panel C or similar, as shown in Figure 5 where it can be seen that the protruding tab 22 covers and protects the edge of the plasterboard C.
In the configuration for boiserie, the asymmetrical vertical post 20 is fixed on the main face 11, at the end of this, which is distal from the open face 13, with the protruding tab 22 that projects towards the sliding axis X; in this way the main face 11 is configured to house a panel of wood B or the like, as shown in figure 8 where it can be seen that the vertical posts 30, 20, 23, positioned on the main face 11, are aligned along a plane on which panel B can be easily fixable.
In preferred embodiments, the vertical posts 20, 30, 23, 24 also comprise:

a second asymmetrical vertical post which can be fixed in a removable way on the second main face 12 of the in-wall frame 2, having a main planar wall and a protruding end that projects/protrudes transversely as to said main planar wall, and
at least one second symmetrical vertical post which is substantially planar and fixable, in a removable way, on the second main face 12 of the in-wall frame 2.

Therefore, in these preferred embodiments, also the second main face 12 of the in-wall frame 2 can be configured at least:

in a configuration for plasterboard in which the first asymmetrical vertical post 20 is fixed on the first main face 12 along one edge of the open face 13, with the protruding tab 22 which projects towards the outside of the in-wall frame 2, and in which the second symmetrical vertical post is fixed on the second main face 12 at one end of this, which is distal as to the open face 13, so that this second main face 21 is configured to house a plasterboard panel or similar, and
in a configuration for boiserie in which the second asymmetrical vertical post 20 is fixed on the second main face 12, at the end of this, which is distal as to the open face 13, with the protruding tab 22 which projects towards the sliding axis X, so that this second main face 12 is configured to house a boiserie panel B or similar. According to an optional and advantageous feature, the symmetrical vertical posts 30 and the asymmetrical vertical posts 20 are provided, on a coupling face which in the boiserie configuration faces outwards of the in-wall frame 2, with a set of slots 211.

Each of these slots 221 is adapted to be interlocked by a respective mechanical coupling element (preferably a head of a respective screw) for fixing a panel or the like to the respective main face 11, 12 of the in-wall frame 2.
In the preferred embodiments, the in-wall frame 2 also comprises at least one additional vertical post 23 which, in the configuration for plasterboard and in the configuration for boiserie, is fixed on a respective main face 11, 12 between the asymmetrical vertical post 20 and the symmetrical vertical post 30.
In some embodiments, the in-wall frame 2 also comprises a plurality of cover panels 29 configured to be fixed on at least one of the main faces 11, 12, among the vertical posts 20, 30, 23 so that these vertical posts 20, 30 , 23, 24 and said cover panels 29 in effect completely cover the at least one main face 11, 12 on which they are positioned, so as to achieve a plaster configuration in which said main face 11, 12 is suitable to be covered with plaster K or the like and in which a net for plaster 77 is preferably fixed to the main face 11, 12.
Advantageously, in these embodiments, the vertical posts 20, 30, 23 are provided, along their longitudinal edges, with grooves in which the covering panels 29 are inserted in the configuration for plaster.
In the preferred and shown embodiments, the upper face 14 and the lower base 15 are provided with a plurality of transversal pre-cutting incisions 99 which make the vertical posts 20, 30, 23, 24, the upper face 14 and the lower base 15 breakable along predetermined transversal cutting axes T so as to reduce thickness and/or width of the in-wall frame 2.
Optionally, at least part of the vertical posts 20, 30, 23, 24 are also provided with a plurality of transversal pre-cutting incisions 99 so as to allow to reduce the height of the in-wall frame 2.
The pre-cutting incisions 99 are basically holes, slots, or grooves that only partially cut the element in which they are made in order to weaken the structure along predetermined cutting axes T.
In some embodiments, such as for example that shown in Figure 12, the pre-cutting incisions 99 comprise through slots aligned along predetermined cutting axes T. Advantageously, the pre-cutting incisions 99 can be aligned along parallel cutting axes T spaced from each other by a predetermined cutting pitch, which in a particular embodiment is equal to 100 mm.
In some embodiments, such as the one illustrated in figures 18-19, the lower base 15 (and/or the upper face 14) comprises two lateral longitudinal components 41 fixed parallel to each other and spaced apart by way of at least two connecting plates 42 which fit into respective shaped inlets 43, by way of which each of said lateral longitudinal components 41 is provided.
The lateral components 41 are plates, flattened bars or panels, which extend substantially along the entire length of the sliding axis X of the base 15 (and/or of the respective upper face 14), and which comprise hooking teeth 471 which project vertically, for connecting the vertical posts 20, 30, 23, 24.
The connecting plates 42 are also provided with longitudinal pre-cutting incisions 99 which make them breakable along predetermined longitudinal cutting axes so as to reduce the thickness of the lower base 15 as required.
In other embodiments, such as the one shown in Figure 13, the lower base 15 and/or the upper face 14 (and preferably both) comprises at least one central plate 48, 48' provided with the aforementioned pre-cutting incisions 99 aligned along parallel cutting axes T; to the edges of said central plate 48 two longitudinal lateral profiles 47, 47' are connected (preferably consisting of extruded profiles) that extend longitudinally along substantially the entire length of the lower base 15 (and/or upper face 14); the longitudinal profiles comprise hooking teeth 471, which project vertically, for connecting the vertical posts 20, 30, 23, 24.
In some embodiments, the in-wall frame 2 comprises, on the upper face 14, a horizontal sliding guide 141 integral with it and the sliding body 3 comprises at least one sliding carriage 666, preferably provided with wheels, arranged to slide along the horizontal sliding guide 141 (inside that); the sliding carriage 666 is arranged to support a sliding door or a sliding panel or the like.
In the embodiment shown in Figure 31, the upper face 14 comprises at least one and preferably three upper central plates 48' provided with longitudinal pre-cutting incisions 99, through which it is possible to break them along predetermined cutting axes so as to vary the distance between the two longitudinal lateral profiles 47', for example so as to bring them closer together and reduce the thickness of the upper face 14 according to requirements (for example according to the sliding door). Preferably, the upper central plates 48' comprise hooking tabs 481, which project towards the lower base 15, for hooking the horizontal sliding guide 141. Conveniently, on the upper face 14, at one end of this in correspondence with the open passage face 13, there is an upper coupling element 49 which preferably mechanically mates above a respective upper central plate 48' (by way of screws or similar components) and which fits by interlocking to the upper longitudinal support element 31.
In preferred embodiments, the upper coupling element 49 is also connected to the upper longitudinal support element 31, which covers the sliding element 149 at the top.
Advantageously, the upper longitudinal support element 31 comprises two side tabs 311 which extend horizontally towards the outside of the in-wall frame 2.
Optionally, each of the side tabs 311 comprises at least one and, preferably, two hooking slots 312.
Advantageously, the upper longitudinal support element 31 is provided with longitudinal pre-cutting incisions 99, preferably near the side tabs 311, which make it breakable along predetermined cutting axes so as to vary its thickness according to requirements, as shown in figures 36 and 37: it is noted that in figure 36 the upper longitudinal support element 31 has been cut along pre-cutting incisions 99 so as to reduce its thickness; consequently the structure assumes a reduced thickness L which is less than the thickness L' of figure 37.
Still in these embodiments, the upper longitudinal support element 31 supports the vertical edge element 32 which preferably comprises two lateral vertical components 321 fixed parallel to each other and spaced apart by way of at least two joining plates 322 provided with longitudinal pre-cutting incisions 99 which make them breakable along predetermined longitudinal cutting axes so as to vary the distance between the two lateral vertical components 321, for example, so as to bring them closer together and to reduce the thickness of the vertical edge element 32 according to requirements.
Advantageously, the vertical edge element 32 is provided with longitudinal pre-cutting incisions 99 which make them breakable along predetermined cutting axes so as to vary thickness and/or length according to requirements.
Preferably, the upper longitudinal support element 31 supports the vertical edge element 32 by way of an interposed mechanical fastening body 39.
Said mechanical fastening body 39 preferably comprises a coupling protuberance 391 which engages a longitudinal cavity of the upper longitudinal support element 31; in the example shown the aforementioned coupling protuberance 391 and the longitudinal cavity have a quadrangular section, and the longitudinal cavity extends for the entire length of the upper longitudinal support element 31, being the latter profiled with a substantially "U" profile.
In the embodiments in which the side tabs 311 comprise the hooking slots 312, the mechanical fastening body 39 comprises elastic attachment elements 392 (for example of the spring or elastic tab type) configured to engage, and hook into, the hooking slots 312. By hooking these elastic attachment elements 392 into different hooking slots 312 it is possible to vary the position of the vertical edge element 32 along the upper longitudinal support element 31. Advantageously, it is possible to hook the elastic attachment elements 392 into different points of the hooking slots 312 (at different distances), by varying in this way the thickness of the vertical edge element 32.
According to an optional and advantageous feature, the mechanical fastening body 39 comprises interlocking slots 399, preferably dovetail joints, suitable for being engaged by elastic attachment elements 392 which are removable to provide interlocking fastening of these to the mechanical fastening body 39.
Optionally, the lower base 15 and/or the upper face 14 comprises at least one and preferably two clips 777, positioned at the corners of the lower base 15 (and/or of the upper face 14) fixed by interlocking in respective elements (preferably in the longitudinal lateral profiles 47) so as to keep the elements in place.
In some preferred embodiments, including those shown, the lower base 15 comprises an guiding element 44 (or shaft), preferably fixed to the lateral longitudinal components 41 (when present) or to the central plate 48 (when present) and even more preferably fixed by interlocking in predisposed seats.
More in detail, this guiding element 44 comprises a fixing base 46 and a vertical protrusion 45 arranged to engage a sliding slot comprised in the sliding body 3 so as to constrain the sliding of the sliding body 3 along the sliding axis X. Advantageously, the fixing base 46 of the guiding element 44 is also provided with longitudinal pre-cutting incisions 99 which make it breakable along predetermined longitudinal axes.
Optionally, the structure 1 comprises at least one wheel 80 fixed to the sliding body 3; the wheel is fixed in such a way that it can be moveable in height at least along an adjustment direction perpendicular to the sliding axis X by way of a connecting element 81. The connecting element 81, which in the shown example comprises a plate wedge shaped, has a sliding end 82 which slides inside a slot 83 obtained in the sliding body 3 and, more precisely, into the horizontal support base 33.
Said sliding end 82 can be locked in different positions inside the slot 83 by way of releasable fastening means 89 (for example bolts or screws).
In the shown embodiment, the slot 83 is arc shaped so that the sliding end 82, sliding along said slot 83, causes the rotation of the connecting element 81 which consequently drags the wheel 80 upwards or downwards.
Conveniently, the connecting element 81 comprises an adjustment cavity adapted to be coupled to a complementary adjustment tool (for example an Allen wrench), which is arranged to guide the displacement of said connecting element 81 and, therefore, to adjust the height of the wheel 80 .
Advantageously, in some preferred embodiments all the elements above disclosed are provided with pre-cutting incisions so that they can be cut so that the height, length and depth of the entire structure can be modified according to requirements. The operation of the structure 1 for sliding architectural elements is clear and evident from what has been disclosed.
Advantageously, the structure is modular and all the elements of the structure 1 may be assembled together by interlocking, so that the structure can be transported disassembled and, thanks to the pre-cutting incisions and the interchangeable components of different sizes, it is possible to adapt the dimensions of the structure to different needs.
It should also be noted that, in particular thanks to the possibility of being configured in a boiserie configuration or in a plasterboard configuration or in a plaster configuration, the structure 1 can also be positioned outside the walls or by itself can constitute a wall or an architectural element of furniture.
In practice, it has been found that the structure for sliding architectural elements, according to the present invention, achieves the intended aim and objects since it is more versatile than the known art.
Another advantage of the structure for sliding architectural elements, according to the invention, consists in being more adaptable to the different requirements.
A further advantage of the structure for sliding architectural elements, according to the invention, consists in the fact that it is not necessarily constrained to a wall. Another advantage of the structure for sliding architectural elements, according to the invention, consists in the fact that it is simple to install, to remove and possibly to move.
Another advantage of the structure for sliding architectural elements, according to the invention, is that it is easy to produce and economically competitive if compared to the known art.
Not the least advantage of the invention is that it provides an alternative to the known art.
The structure for sliding architectural elements thus conceived is susceptible of numerous modifications and variations, all of which are within the scope of the attached claims.
Furthermore, all the details can be replaced by other technically equivalent elements.

Claims

A structure (1) for sliding architectural elements, comprising:
- a in-wall frame (2), which is substantially shaped like a parallelepiped and comprises a first vertical main face (11) and a second vertical main face (12) which are mutually parallel and opposite, an open passage face (13) which is vertical and perpendicular to said main faces (11, 12), a horizontal upper face (14) and a horizontal lower base (15), at least said main faces comprising a plurality of vertical posts (20, 30, 23, 24) adapted to connect said upper face (14) to said lower base (15),

- a sliding body (3), which can slide within said in-wall frame (2) and through said open passage face (13), parallel to said first main face (11) and said second main face (12) along a horizontal sliding axis (X), between a retracted position, in which it is mostly included inside said in-wall frame (2), and an extracted position, in which it mostly protrudes outside of said in-wall frame (2) from said open face (13), characterized in that said vertical posts (22, 30, 23, 24) comprise:

- at least one first asymmetrical vertical post (20), which can be fixed detachably to said first main face (11) of the in-wall frame (2), provided with a main planar wall (21) and a protruding tab (22) which protrudes transversely with respect to said main planar wall (21),

- at least one first symmetrical vertical post (30), which is substantially planar and can be fixed detachably on said first main face (11) of the in-wall frame (2);
said first main face (11) of the in-wall frame (2) being configurable at least:
in a first configuration for plasterboard, in which said first asymmetrical vertical post (20) is fixed on said first main face (11) along one edge of said open face (13), with said protruding tab (22) which projects toward the outside of said in-wall frame (2), and wherein said first symmetrical vertical post (30) is fixed on said main face (11) at one end of said main face (11) which is distal with respect to said open face (13), so that said main face (11) is configured to accommodate a panel made of plasterboard or the like, and

in a configuration for boiserie, in which said asymmetrical vertical post (20) is fixed on said main face (11), at the end of said first main face (21) that is distal with respect to said open face (13), with said protruding tab (22) which projects toward said sliding axis X, so that said main face (11) is configured to accommodate a panel of boiserie or the like.
The structure (1) according to claim 1,characterized in that said vertical posts (20, 30, 23, 24) also comprise:
- a second asymmetrical vertical post, which can be fixed detachably to said second main face (12) of the in-wall frame (2), having a main planar wall and a protruding end which protrudes/projects transversely with respect to said main planar wall,

- at least one second symmetrical vertical post, which is substantially planar and can be fixed detachably on said second main face (12) of the in-wall frame (2);
said second main face (12) of the in-wall frame (2) being configurable at least:
in a configuration for plasterboard, in which said first asymmetrical vertical post (20) is fixed on said first main face (22) along one edge of said open face (13), with said protruding tab (22) that projects toward the outside of said in-wall frame (2), and wherein said second symmetrical vertical post (30) is fixed on said second main face (12) at one end of said main face (21) that is distal with respect to said open face (13), so that said main face (21) is configured to accommodate a panel made of plasterboard or the like, and

in a configuration for boiserie, in which said second asymmetrical vertical post is fixed on said second main face (12), at the end of said second main face (12) that is distal with respect to said open face (13), with said protruding tab (22) that projects toward said sliding axis X, so that said second main face (12) is configured to accommodate a panel of boiserie or the like.
The structure (1) according to claim 1 or 2, characterized in that said symmetrical vertical posts (30) and said asymmetrical vertical posts (20) are provided, on a mating face which, in said boiserie configuration, is directed toward the outside of said in-wall frame (2), with a series of slots (211), each adapted to be occupied by interlocking by a respective mechanical mating element for the fixing of a panel or the like to one of said main faces (11, 12) of the in-wall frame (2).
The structure (1) according to one or more of the preceding claims, characterized in that said in-wall frame (2) also comprises at least one additional vertical post (23), which in said configuration for plasterboard and inset configuration for boiserie is fixed on a respective main face between said asymmetrical vertical post and said symmetrical vertical post,
and said in-wall frame (2) also comprises a plurality of covering panels (29) configured to be fixed on at least one of said main faces (11, 12), between said vertical posts (20, 30, 23, 24), so that said vertical posts (20, 30, 23, 24) and said covering panels (29) cover substantially completely said at least one main face (11, 12), so as to provide a configuration for plaster in which said second main face (11, 12) is adapted to be covered with plaster (K) or the like.
The structure (1) according to the preceding claim, characterized in that said vertical posts (20, 30, 23, 24) are provided, along longitudinal edges thereof, with grooves in which said covering panels (29) are inserted in said configuration for plaster.
The structure (1) according to one or more of the preceding claims, characterized in that said upper face (14) and said lower base (15) are provided with a plurality of transverse precutting incisions (99), which render said upper face (14) and said lower base (15) breakable along preset transverse axes so as to reduce the thickness and/or width of said in-wall frame (2).
The structure (1) according to one or more of the preceding claims, characterized in that said lower base (15) comprises two lateral longitudinal components (41) which are fixed so as to be mutually parallel and spaced by means of at least two connecting plates (42) which interlock in respective contoured recesses (43) with which each one of said longitudinal lateral components (41) is provided; said connecting plates (42) being provided with longitudinal pre-cutting incisions (99), which render said connecting plates (42) breakable along preset longitudinal axes so as to reduce the thickness of said lower base (15).
The structure (1) according to the preceding claim, characterized in that said lower base (15) comprises a guiding element (44), which is fixed to said lateral longitudinal components (41), which comprises a fixing base (46) and a vertical protrusion (45) adapted to engage a sliding slot which is comprised in said sliding body (3) so as to constrain the sliding of said sliding body (3) along said sliding axis; said fixing base (46) being provided with longitudinal pre-cutting incisions (99) which render said fixing base (46) breakable along preset longitudinal axes.
The structure (1) according to one or more of the preceding claims, characterized in that it comprises at least one wheel (80) which is fixed to said sliding body (3) so that it can be moved vertically at least along one adjustment direction that is perpendicular to said sliding axis (x) by means of a connecting element (81) which has an end (82) that can slide within a slot (83) provided in said sliding body (3) and can be locked in various positions with respect to said slot (83) by virtue of releasable fixing means (89).
The structure (1) according to the preceding claim, characterized in that said slot is arc-shaped.
The structure (1) according to one or more of the preceding claims, characterized in that said sliding body (3) comprises a supporting frame adapted to support an architectural or furniture element or is constituted by an architectural or furniture element, preferably an in-wall sliding door.