WO2015087313A1

WO2015087313A1 - Device for adjusting the height of a door with respect to the floor

Info

Publication number: WO2015087313A1
Application number: PCT/IB2014/066919
Authority: WO
Inventors: Luciano Bacchetti
Original assignee: In & Tec S.R.L.
Priority date: 2013-12-13
Filing date: 2014-12-15
Publication date: 2015-06-18
Also published as: EP3080371A1; ITVI20130296A1; EP3080371B1

Abstract

A system for adjusting the height (h) of a door (D), in particular a reinforced door, with respect to the floor (FL). The system includes: a tubular support structure (F, CF); at least one pair of hinges (100, 200) slidably mounted on the tubular support structure (F, CF) to slide along a first axis (Y) parallel to the rotation axis (Υ') of the door (D) and an actuator device (300) acting on at least one of the hinges (100) for moving thereof along a second axis (Y). The actuator device (300) comprises: a main body (310) fixable or fixed within the tubular support structure (F, CF); and a slider (320) sliding along the second axis (Y). The main body (310) includes at least one adjustment screw (330) interacting with the slider (320) accessible from the outside of the tubular support structure (F, CF) by a user to allow the variation of the height (h) of the door (D) with respect to the floor (FL).

Description

DEVICE FOR ADJUSTING THE HEIGHT OF A DOOR WITH RESPECT TO THE FLOOR

DESCRIPTION

Field of invention

The present invention is generally applicable to the technical field of the accessories for doors, in particular for reinforced doors, and particularly relates to a device for adjusting the height of a door, in particular a reinforced door, with respect to the floor.

The invention further relates to a kit that includes such a device, as well as a system that includes such a kit.

The invention further relates to a method for adjusting the height of a door, in particular a reinforced door, with respect to the floor.

Background of the invention

It is known that the mounting of a door, in particular a reinforced door, is accomplished by first mounting the movable leaf of the hinges on the door and the fixed body on the support frame thereof and subsequently connecting the door to the frame by means of mutual coupling of movable leaf to the fixed bodies, generally by sliding the former with respect to the latter.

Subsequently, as shown in Figures la and lb, it is carried out the adjustment of the height h of the door D with respect to the floor FL by means of a suitable lifting device L interposed between the floor FL and the door D.

By acting on the lifting device L, the operator applies a lifting force Fl, which is imparted to all the components rigidly connected to the door D, and in particular to movable leafs MM of the hinges H.

Therefore, the force Fl besides to raise the door D from the floor FL tends to lift the movable leafs MM of the hinges H with respect to the fixed bodies FM, which are rigidly connected to the frame F. Subsequently, the manual repositioning of the fixed bodies FM at the desired height occurs.

One of the apparent drawbacks of the use of the lifting devices L is the fact that they do not ensure the maintenance of the original height with time.

In fact, the manual repositioning of the fixed bodies FM of the hinges H does not ensure that the weight of the door D is homogeneously distributed on both hinges H. This causes besides to the gradual lowering of the door D possible misalignments and/or malfunctioning thereof. Therefore, a frequent maintenance of the door D is needed, which is an economic burden.

Moreover, the high weight of the door requires the use of several operators for such an height adjustment. In fact, while one or more operators lift the door, another operator adjusts the hinges to the desired height.

Another well-known drawback of such lifting devices L is that they wear the floor on which the device rests. This drawback is particularly felt with delicate floorings, for example made of tiles or wooden floors.

Further, these known lifting devices L are rather expensive and complicated to use, so that any height adjustment of the door must be done by expert operators.

Moreover, in case of slippery floor or wrong position between the floor and the door, these lifting devices L are rather dangerous for the operators.

Last but not least, the frame F may deform with use, with consequent misalignment of the door or the need for maintenance or replacement of the same frame F.

The European patent application EP1215357 discloses a concealed hinge with a fixed element that includes a longitudinal guide hole for a pivot that rotates unitary with the movable element of the same hinge. The fixed element includes a screw adapted to act on the pivot to adjust its position with respect to the fixed element.

This known hinge does not solve the above mentioned drawbacks.

In particular, this hinge does not ensure that the weight of the door is homogeneously distributed between the hinges, with the consequent need for frequent maintenance of the door.

Summary of the invention

Object of the present invention is to overcome at least partly the above mentioned drawbacks, by providing a device for adjusting the height of a door, in particular a reinforced door, of high functionality, constructional simplicity and/or low cost.

A particular object of the invention is to provide a device for adjusting the height of a door, in particular a reinforced door, which allows to maintain the position of the door during time.

Another object of the invention is to provide a device which allows the adjustment of the height of a door, in particular a reinforced door, by a single operator.

Another object of the invention is to provide a device for adjusting the height of a door, in particular a reinforced door, which allows to preserve the floor below the door.

Another object of the invention is to provide a device which allows immediate and simple adjustment of the height of a door, in particular a reinforced door, even by unskilled operators.

Another object of the invention is to provide a device for adjusting the height of a door, in particular a reinforced door, which is safe for the operators involved in the mounting thereof.

These objects, as well as others that will appear more clearly hereinafter, are achieved by a device for adjusting the height of a door, in particular a reinforced door, with respect to the floor having one or more of the features herein described and/or claimed and/or shown.

In a further aspect, a kit may be provided for height adjustment of a door already mounted or to be mounted on a tubular support structure, the kit having one or more of the features herein described and/or claimed and/or shown.

In a further aspect, a system may be provided for height adjustment of a door mounted on a tubular support structure, the system having one or more of the features herein described and/or claimed and/or shown.

In a further aspect, a method may be provided for adjusting the height of a door mounted or to be mounted on a tubular support structure, the method having one or more of the features herein described and/or claimed and/or shown.

Advantageous embodiments of the invention are defined in accordance with the dependent claims.

Brief description of the drawings

Further features and advantages of the invention will appear more evident upon reading the detailed description of a preferred, non-exclusive embodiment of a device 300 for adjusting the height of a door, which is described as non-limiting examples with the help of the annexed drawings, in which:

FIG. la is a schematic front view of a lifting system of a door D belonging to the state of the art, with in FIG. lb some enlarged details;

FIG. 2a is an exploded isometric view of a preferred but not exclusive embodiment of the system 1, with in FIG. 2b some enlarged details;

FIG. 2c is an assembled isometric view of the embodiment of the system 1 of FIG. 2a;

FIG. 3 is an exploded isometric view of a preferred but not exclusive embodiment of an actuator device 300 to be used in the embodiment of the system 1 of FIG. 2a;

FIG. 4a is a front view of the embodiment of the actuator device 300 of FIG. 3 in which the slider 320 is in a proximal position;

FIGs. 4b and 4c are views of the embodiment of the actuator device 300 of FIG. 3 sectioned along respective planes indicated IVb - IVb and IVc - IVc in FIG. 4a;

FIG. 5a is a front view of the embodiment of the actuator device 300 of FIG. 3 in which the slider 320 is in a distal position;

FIGs. 5b and 5c are views of the embodiment of the actuator device 300 of FIG. 3 sectioned along respective planes indicated Vb - Vb and Vc - Vc in FIG. 5a;

FIG. 6a is an axially sectioned view of the embodiment of the system 1 of FIG. 2a in an assembled configuration, with the lower hinge 100 resting on the actuator device 300;

FIGs. 6b and 6c are enlarged views of some details of FIG. 6a, in which the slider 320 is respectively in a proximal and a distal position;

FIG. 7 is an isometric view of a further preferred but not exclusive embodiment of an actuator device 300;

FIG. 8 is an axially sectioned view of a preferred but not exclusive embodiment of the system 1 that includes the embodiment of the actuator device 300 of FIG. 7;

FIG. 9 is an exploded isometric view of a further preferred but not exclusive embodiment of an actuator device 300;

FIGS. 10a and 10b are axially sectioned views of the embodiment of the actuator device 300 of FIG. 9, in which the slider 320 is respectively in a proximal and a distal position;

FIG. 11 is an axially sectioned view of a preferred but not exclusive embodiment of the hinge

100, with in FIG. 12 some enlarged details;

FIG. 13 is a partially exploded isometric view of a preferred but not exclusive embodiment of the hinge 100.

Detailed description of a preferred embodiment

With reference to figures 2a to 10b, the system 1 may be particularly useful for adjusting the height h of a door D with respect to the floor FL.

In particular, the door D may be a reinforced door, and can be fixed to a support structure formed by a tubular frame F and a counterframe CF, mutually coupled each other.

However, the system 1 may be useful to adjust the height h of any door D, connected to any type of tubular support structure, without departing from the scope of the appended claims.

Essentially, in addition to the tubular support structure, the system 1 may include two or more hinges 100, 200 connected to the door D for rotatably moving thereof about a rotation axis Y" and at least one actuator device 300, whose function will be explained later.

Advantageously, the at least one actuator device 300 may be spaced apart from the hinges 100, 200, and may not belong thereto.

Preferably, a single actuator device 300 may be provided.

Suitably, the hinges 100, 200 may be slidably mounted on the tubular support structure for sliding along an axis Y substantially parallel to the rotation axis Y' of the door D, and can be removably fastened on the tubular support structure F, CF.

To do this, the hinges 100, 200 may be mounted by means of suitable screws 101, 201 which pass through elongated slots A, A' passing through the frame F, which elongated slots A, A" may define the sliding axis Y.

Therefore, when the screws 101, 201 are unfastened the hinges 100, 200 are free to slide along the axis Y for a stroke defined by the elongated slots A, A". Conversely, by fastening the screws 101, 201 it is possible to block the sliding of the hinges 100, 200 with respect to the tubular support structure F, CF.

Advantageously, the hinges can be configured according to the teachings of the international patent application PCT/IB2014/060661, on behalf of the same Applicant, which is referred to for consultation.

In particular, as shown in the attached figures, the hinges 100, 200 may be of the concealed type. Each hinge 100, 200 may include a respective fixed element 110, 210 mounted within the tubular support structure F, CF and a respective movable element 120, 220 pivoted on the respective fixed element 110, 210 to rotate about the rotation axis Y" between an open door D position and a closed door D position.

Further, each movable element 120, 220 may further include a fixing leaf 130, 230 for fixing to the door D susceptible to concealedly retract within the tubular support structure F, CF in the closed door D position and to visibly extend from the same tubular support structure F, CF in the open door D position.

Advantageously, the hinges 100, 200 may be made of two parts cooperating with each other.

FIGs. 11, 12 and 13 for sake of simplicity show only the structure of the hinge 100. It is understood that in a preferred but not exclusive embodiment of the invention the hinge 200 also may have the same structure.

In particular, the fixed element 110 of the hinge 100 may be defined by a lower half-hinge with a first box-shaped hinge body 112, while the movable element 120 thereof may be defined by an upper half-hinge with a pivot 121 defining the rotation axis Y" of the door D.

The box-shaped hinge body 112 may include a passing-through hole 114 within which the pivot 121 can be inserted to rotatably support it.

Advantageously, means 115 may be provided for blocking the axial sliding of the pivot 121 with respect to the box-shaped hinge body 112, so as to prevent the slipping and/or the misalignment thereof upon the sliding of the hinges 100, 200 along the first axis Y.

Suitably, as particularly shown in FIG. 12, such means 115 for blocking the axial sliding may include an axial blind hole 116 made at the lower end 121' of the pivot 121 adapted to receive a blocking screw 117, with the possible interposition of a pressing element 118, for example a washer.

In the event of forces that promote the lifting of the pivot 121, the impact of the blocking screw 117 and possibly of the pressing element 118 against the box-shaped hinge body 112 prevents the slipping of the pivot 121 from the same passing-through hole 114 and/or the misalignment of the same pivot 121.

To facilitate the rotation of the pivot 121, one pair of antifriction elements 119, 119" may be provided, for example bearings, preferably of the axial-radial type, at both ends of the same pivot 121.

In a preferred but not exclusive embodiment, as particularly shown in FIG. 13, the fixing leaf 130 of the upper half-hinge defining the mobile element 120 of the hinge 100 may include an anchoring plate 131 for anchoring to the door D.

This anchoring plate 131 greatly simplifies the mounting of the door D on the hinges 100, 200. In fact, as shown in FIG. 13, the anchoring plate 131 is removably coupled to the fixing leaf 130 by means of fastening screws 132, which may be lockable in suitable locking elements 133.

Therefore, to mount the door D it is necessary to fix the hinge 100 to the tubular support structure F, CF without the anchoring plate 131 (or remove it once the hinge is fixed), to anchor the latter to the door D and then coupling the door D to the tubular support structure F, CF by coupling the anchoring plate 131 anchored to the door D with the fixing leaf 130 of the hinge 100 anchored to the tubular support structure F, CF. Once those parts are coupled, it is possible to avoid the mutual decoupling by means of the screws 132 and the locking elements 133, the latter being in turn engaged in the slots 134.

Moreover, by moving the former 132, 133 along the directions defined by the latter 134 and suitably acting on the screws 135 it is possible to adjust the position of the door D with respect to the tubular support structure F, CF.

In case the hinge 200 has the same structure of the hinge 100, to mount the door D it is necessary acting as above also for the hinge 200.

It is understood that the hinges 100, 200 may be of any type, as long slidably mounted along the axis Y and provided that at least one thereof includes at least one operative portion 111 within the support structure F, CF, without departing from the scope of protection of the appended claims.

For example, only one of the hinges 100, 200 may be configured as described above. For example, the bottom hinge may be configured as described above, while the top hinge can be configured according to the teachings of international application PCT/IB2013/055478 and/or PCT/IB2013/055476, on behalf of the same Applicant.

The actuator device 300 may be configured to act on the operative portion 111 of one of the hinges 100, 200, preferably the lower hinge 100, to move it along the axis Y.

Preferably, the operative portion 111 may be defined by the lower surface of the fixed element 110 of the bottom hinge 100.

To this end, the actuator device 300 may essentially comprise a main body 310 and a slider 320 which can slidably move along the axis Y.

However, It is understood that the slider 320 can slide along an axis substantially parallel to the axis Y without departing from the scope of protection of the appended claims.

The main body 310 may be fixable within the tubular support structure F, CF by means of the screws 311.

On the other hand, the main body 310 may be fixed within the tubular support structure F, CF, for example may be monolithic therewith, without departing from the scope of protection of the appended claims.

The slider 320 can slide in a seat 312 of the main body 310. Accordingly, the seat 312 may be open at the top side.

Moreover, the seat 312 may slidably guide the slider 320. To do this, the latter may have a shaped side wall 321, while the seat 312 may have a corresponding countershaped side wall 313 which interacts with the shaped side wall 321 of the slider 320 so as to guide the sliding of the latter along the axis Y.

For example, the seat 312 of the main body 310 of the preferred but not exclusive embodiment of the actuator device 300 shown in FIGs. 2a to 8 may have substantially parallelepiped shape, as well as the slider 320. In this embodiment, the flat and substantially parallel faced side walls of the seat 312 interacts with the corresponding flat and substantially parallel faced side walls of the slider 320 to guide the sliding thereof along the axis Y.

On the other hand, in the preferred but not exclusive embodiment of the actuator device 300 shown in FIGs. 9 to 10b, the seat 312 of the main body 310 may have a substantially cylindrical shape, as well as the slider 320. In this embodiment, the substantially cylindrical side wall of the seat

312 interacts with the corresponding substantially cylindrical side wall of the slider 320 to guide the sliding thereof along the axis Y.

In any case, the slider 320 may include a first lower portion 322 facing a corresponding second lower portion of the seat 312, which may be defined by the bottom wall 314, and an upper portion, which may be defined by the upper flat wall 323, facing the operative portion of the hinge

100, which may be defined by the bottom wall 111 of the fixed element 110, to interact or preferably abuts therewith.

In order to move the slider 320 along the axis Y, the main body 310 may include an adjustment screw 330 interacting therewith. In particular, the adjustment screw 330 may be accessible from outside the tubular support structure F, CF by a user, which may act thereon by acting on the control portion 331.

Suitably, the adjustment screw 330 may be slidable along an axis X substantially perpendicular to the axis Y. Therefore, the action on the control portion 331 promotes the sliding of the adjustment screw 330 along the axis X. To move the slider 320 along the axis Y, the adjustment screw 330 may include a substantially wedge-shaped operative portion 332 susceptible to come into contact with a first substantially countershaped operative zone 324 of the same slider 320.

In this way, the sliding of the adjustment screw 330 along the axis X corresponds to the sliding of the slider 320 along the axis Y and in turn to the variation of the mutual distance d between the second lower portion 314 of the seat 312 and the first operative zone 324 of the slider 320.

At the same time, the position along the axis Y of the upper portion 323 of the slider 320 varies, as well as the position along the axis Y of the hinges 100, 200. In fact, the upper portion 323 of the slider 320 is in abutment and in contact with the bottom wall 111 of the fixed element 110 of the hinge 100, and therefore the sliding of the former along the axis Y corresponds to the sliding of the latter. Since the other hinge 200 is rigidly connected to the first hinge 100 by means of the door D, the sliding of the latter hinge 100 along the axis Y (which is promoted by the sliding of the slider 320, in turn caused by the user through the adjustment screw 330) corresponds to the sliding of the first hinge 200.

Therefore the user, by simply acting on the adjustment screw 300, may vary in a simple, fast and secure way the height h of the door D from the floor FL.

An apparent advantage of the system 1 is that the actuator device 300 does not act directly on the door D as the lifting devices L of the state of the art, for example shown in FIGs. la and lb, but acts on the hinges 100, 200.

This allows to distribute in a perfectly homogeneous way the weight of the door D on the same hinges 100, 200, which is a great advantage in terms of maintaining their original position during time. This allows, in addition, to minimize maintenance on the door D, and therefore to minimize costs.

Thanks to the above mentioned features, the slider 320 may be slidable along the axis Y between a first operative position, shown for example in FIGs. 4b and 10a, in which the operative zone 324 thereof is proximal to the bottom wall 314 of the seat 312 and a second operative position, shown for example in FIGs. 5b and 10b, in which the operative zone 324 of the slider 320 is distal from the bottom wall 314.

From the figures it is apparent that the height h of the door D with respect to the floor FL is relatively higher when the slider 320 is in the second operative position.

In the preferred but not exclusive embodiment of the actuator device 300 shown in FIGs. 9 to 10b, the first operative zone 324 may coincide with the first lower portion 322. On the other hand, in the preferred but not exclusive embodiment of the actuator device 300 shown in FIGs. 2a to 8 the first operative zone 324 may be defined by a recess interposed between two end projections 325", 325".

In order to determine the stroke of the slider 320, the latter may comprise at least one second operative zone cooperating with a corresponding at least one operative area of the main body 310 to define the blocking means of the stroke of the same slider 320.

In particular, in the preferred but not exclusive embodiment of the actuator device 300 shown in FIGs. 9 to 10b, the slider 320 includes a single second operative zone 326, while the main body 310 may include a single operative zone 315 cooperating therewith. On the other hand, in the preferred but not exclusive embodiment of the actuator device 300 shown in FIGs. 2a to 8 the slider 320 includes a pair of second operative end zones 326", 326", while the main body 310 may include a corresponding pair of operative zones 315", 315" cooperating therewith.

Suitably, in a preferred but not exclusive embodiment, the blocking means may include at least one passing-through slot made on one of the slider 320 and the main body 310 and at least one blocking pin inserted into a seat formed on the other of the slider 320 and the main body 310.

More particularly, in the preferred but not exclusive embodiment of the actuator device 300 shown in FIGs. 9 to 10b, the blocking means include a single passing-through slot 340 made on the operative zone 315 of the main body 310 and a corresponding single blocking pin 341 inserted through a single seat 342 made on the operative zone 326 of the slider 320.

On the other hand, in the preferred but not exclusive embodiment of the actuator device 300 shown in FIGs. 2a to 8 the blocking means include a pair of passing-through slots 340', 340" made on the operative end zones 326', 326" of the slider 320 and a corresponding pair of blocking pins 341", 341" inserted through seats 342", 342" made on the operative zones 315", 315" of the main body 310.

In any case, the slots 340, 340', 340" and the blocking pins 341, 341', 341" are mutually engaged and mutually interacting so as to define the positions of maximum and minimum height h of the door D from the floor FL, shown for example in Figures 5c, 10b and 4c, 10a.

By suitably dimensioning and/or configuring the system 1, and in particular the tubular frame F, CF, the hinges 100, 200 and the actuator device 300, it is possible to obtain that when the slider is in the first operative position, as shown for example in Figures 4b and 10a, the door D is in contact with the floor FL, so as to rest on it.

This greatly simplify the installation and adjustment of the door D, that may also be carried by a single operator- This makes these operations extremely safe.

Furthermore, in the case of hinges 100, 200 that allow other adjustments of the position of the door in addition to the vertical one, the above feature allows these adjustments in a simple and safe way. In fact, as indicated above in a preferred but not exclusive embodiment the hinges 100, 200 may be configured according to the teachings of the international patent application PCT/IB2014/060661, both in the name of the same Applicant.

In this case, the hinges 100, 200 include means for adjusting the horizontal position and the opening angle of the door.

It is clear that the support to the floor of the door during mounting allows to do all the above adjustments in a simple and safe manner, by further preserving the integrity of both the hinges of the door.

In a preferred but not exclusive embodiment, shown for example in Figures 7 and 8, the system 1 may include a support element 350 interposed between the actuator device 300 and the floor FL, so that the load of the door D is completely loaded on the floor FL.

This preserves over time the integrity of both the hinges 100, 200 and the support structure F, CF. This as well greatly ensures the maintenance of the original position of the door D over time.

The support element 350 may have an upper surface 351 susceptible to come in contact against an abutment surface 316 of the main body 310 of the actuator device 300 and a lower opposite surface 352 susceptible to rest on the floor FL, within the tubular support structure F, CF.

From the above description, it is apparent that the system 1 fulfils the intended objects. In fact, the system 1 highly functional, simple to manufacture and/or low cost.

Thanks to the particular configuration and/or positioning on the tubular support structure F, CF, the adjusting of the height h of the door D from the floor FL may even be made by a single operator.

Thanks to the high simplicity and functionality, the system 1 can be used even by unskilled personnel.

Moreover, thanks to the fact that the system 1 fully loads on the floor the weight of the door D, the latter maintains unchanged over time the original position.

It is further clear that in the system 1 any component, and in particular the actuator device 300, rests on the floor FL. This allows to preserve the latter from scratches and, in general, from wearing.

Furthermore, in this way the adjusting of the height h of the door D is extremely safe.

The system 1 further avoids misalignment and/or malfunction of the door D due to an inhomogeneous distribution of the weight thereof on the hinges, which is a usual drawback of the systems of the state of the art.

The invention is susceptible to many changes and variants, all within the inventive concept expressed by the appended claims. All particulars may be replaced by other technically equivalent elements, and the materials may be different according to the needs, without exceeding the scope of the invention defined by the appended claims.

While the invention has been described with particular reference to the accompanying figures, the numerals referred to in the disclosure and claims are only used for the sake of a better intelligibility of the invention and shall not be intended to limit the claimed scope in any manner.

Claims

1. An actuator device (300) for adjusting the height (h) of a door (D), in particular a reinforced door, with respect to the floor (FL), mountable, respectively mounted, on a tubular support structure (F, CF) by means of at least one pair of hinges (100, 200) connectable, respectively connected, to the door (D) for the rotatable movement thereof, the hinges being slidably mountable, respectively mounted, on the tubular support structure (F, CF) to slide along a first axis (Y) parallel to or coincident with the rotation axis (Υ') of the door (D), the hinges (100, 200) being removably fastenable on the tubular support structure (F, CF), the hinges (100, 200) being of the concealed type with a fixed element (110, 210) mountable, respectively mounted, within said tubular support structure (F, CF) and a movable element (120, 220) pivoted thereon to rotate about the rotation axis (Υ') between an open door (D) position and a closed door (D) position, the movable element (120, 220) including a fixing leaf (130, 230) for fixing thereof to the door (D) susceptible to concealedly retract within the tubular support structure (F, CF) in the closed door (D) position and to visibly extend therefrom (F, CF) in the open door (D) position, the fixed element (110, 210) of at least one of said hinges (100) including at least one operative portion (111), the actuator device (300) comprising:

a) a main body (310) fixable within said tubular support structure (F, CF), said main body (310) including a seat (312); and

b) a slider (320) sliding in said seat (312) along a second axis (Y) substantially parallel to or coincident with said first axis (Y), said slider (320) including a first lower portion (322) facing a corresponding at least one second lower portion (314) of said seat (312) and an upper portion (323) facing said at least one operative portion (111) of said at least one of said hinges (100) to interact therewith;

wherein said main body (310) includes at least one adjustment screw (330) interacting with said slider (320), said at least one adjustment screw (330) being accessible from the outside of said tubular support structure (F, CF) by a user to allow the variation of the mutual distance (d) between the second lower portion (314) of said seat (312) and the first lower portion (322) of said slider (320) so as to promote the interaction of the upper portion (323) thereof with the at least one operative portion (111) of the fixed element (110) of the at least one of said hinges (100), in such a manner to promote the sliding of the hinges (100, 200) along the first axis (Y) thus correspondingly varying the height (h) of the door (D) with respect to the floor (FL).

2. Device according to claim 1, wherein said slider (320) is slidable along said second axis (Y) between a first operative position wherein the first lower portion (322) thereof (320) is proximal to the second lower portion (314) of said seat (312) and a second operative position wherein the first lower portion (322) of said slider (320) is distal from the second lower portion (314) of said seat (312), the height (h) of the door (D) with respect to the floor (FL) being relatively higher when said slider (320) is in said second operative position.

3. Device according to claim 1 or 2, wherein said slider (320) has a shaped side surface (321), said seat (312) having a corresponding countershaped side surface (313) interacting with the shaped side surface (321) of the slider (320) so as to guide the sliding thereof (320) along said second axis (Y).

4. Device according to claim 1, 2 or 3, wherein said seat (312) is open at the top for slidably receiving said slider (320), said at least one operative portion (111) of said at least one of said hinges (100) being susceptible to contact engage the upper portion (323) of said slider (320) upon the sliding thereof (320) along said second axis (Y).

5. Device according to one or more of the preceding claims, further comprising at least one support element (350) interposable or interposed between said main body (310) and the floor (FL) so that the load of the door (D) is loaded on the floor (FL).

6. Device according to the preceding claim, wherein said at least one support element (350) comprises a first end (352) susceptible to interact with the floor (FL) and a second opposite end

(351), said main body (310) comprising an abutment surface (316) susceptible to interact therewith.

7. Device according to one or more of the preceding claims, wherein said slider (320) comprises at least one first operative zone (324) susceptible to mutually interact with said at least one adjustment screw (330) for moving the same slider (320) along said second axis (Y) and at least one second operative zone (326; 326', 326") cooperating with a corresponding operative zone (315; 315', 315") of said main body (310) to define blocking means of the stroke of the same slider (320).

8. Device according to the preceding claim, wherein said blocking means include at least one passing-through slot (340; 340', 340") defining the stroke of said slider (320) made on one of the second operative area (326; 326', 326") thereof (320) and said operative zone (315; 315', 315") of said main body (310), said blocking means further including at least one blocking pin (341; 341', 341") inserted in a seat (342; 342', 342") made on the other of the second operative zone (326; 326', 326") of said slider (320) and said operative zone (315; 315', 315") of said main body (310), said at least one blocking pin (341; 34 , 341") being engaged with said at least one passing-through slot (340; 340', 340") and interacting therewith so as to define the maximum and minimum height (h) positions of the door (D) with respect to the floor (FL).

9. Device according to the claim 7 or 8, wherein said at least one adjustment screw (330) is slidable along a third axis (X) substantially perpendicular to said first and/or second axis (Y), said at least one adjustment screw (330) including a control portion (331) accessible by the user to adjust the sliding thereof along said third axis (X) and an operative portion (332) susceptible to contact engage said first operative zone (324) of said slider (320), said operative portion (332) of said at least one adjustment screw (330) being substantially wedge-shaped, said first operative zone (324) of said slider (320) including a substantially countershaped bottom surface (324) so that the sliding of said at least one adjustment screw (330) along said third axis (X) corresponds to the sliding of said slider (320) along said second axis (Y).

10. Device according to one or more of the preceding claims, wherein said main body (310) is spaced apart from the hinges (100, 200), the latter (100, 200) not including the former (310).

11. Device according to one or more of the preceding claims, wherein the fixed element (110) of the at least one of said hinges (100) is positioned below the corresponding movable element (120), the actuator device (300) being fixable to the tubular support structure (F, CF) below the fixed element (110) of the at least one of the hinges (100) so that the slider (320) of the former (300) interacts with the at least one operative portion (111) of the latter (100) for lifting / lowering the hinges (100, 200) along the first axis (Y).

12. Device according to one or more of the preceding claims, wherein the movable element (220) of the other of said hinges (200) is unitary coupled to the corresponding fixed element (210) so that the sliding along the first axis (Y) of the at least one of the hinges (100) corresponds to the unitary sliding of the fixed (210) and movable (220) elements of the other of the hinges (200).

13. Device according to one or more of the preceding claims, wherein the fixed (110, 210) and movable (120, 220) elements of both hinges (100, 200) are mutually unitary coupled.

14. Device according to one or more of the preceding claims, wherein the fixed elements

(110, 210) of both hinges (100, 200) are placed below the corresponding movable elements (120, 220).

15. Device according to one or more of the preceding claims, wherein the fixed element (110) of the at least one of the hinges (100) comprises a first box-shaped hinge body (112), the latter including the at least one operative portion (111).

16. Device according to the preceding claim, wherein the fixed element (110) of the at least one of the hinges (100) comprises a first lower half-hinge, the movable element (120) thereof comprising a first upper half-hinge, said first fixed lower half-hinge (110) including the first box- shaped hinge body (112).

17. Device according to the preceding claim, wherein the first movable upper half-hinge

(120) includes a first pivot (113) defining the rotation axis (Υ') of the door (D), the first box-shaped hinge body (112) including a first passing-through hole (114) within which the first pivot (113) is inserted for rotatably supporting thereof, the first pivot (113) and/or the first passing-through hole (114) including first means (115) for blocking the axial sliding of the former (113) with respect to the latter (114), so as to prevent the slipping and/or the misalignment thereof upon the sliding of the hinges (100, 200) along the first axis (Y).

18. Device according to one or more of the preceding claims, wherein the fixed element (210) of the other of the hinges (200) comprises a second lower half-hinge, the movable element (220) thereof comprising a second upper half-hinge, the second fixed lower half-hinge (210) including a second box-shaped hinge body (212).

19. Device according to the preceding claim, wherein the second movable upper half-hinge (220) includes a second pivot (213) defining the rotation axis (V) of the door (D), the second box- shaped hinge body (212) including a second passing-through hole (214) within which the second pivot (213) is inserted for rotatably supporting thereof, the second pivot (213) and/or the second passing-through hole (214) including second means (215) for blocking the axial sliding of the former (213) with respect to the latter (214), so as to prevent the slipping and/or the misalignment thereof upon the sliding of the hinges (100, 200) along the first axis (Y).

20. Device according to one or more of the preceding claims, wherein the at least one of the hinges (100) is mountable on the tubular support structure (F, CF) below the other of the hinges

(200).

21. Device according to one or more of the preceding claims, wherein the hinges (100, 200) and the actuator device (300) are respectively mounted and fixed on the tubular support structure (F, CF) so that when said slider (320) is in the first operative position the door (D) is in contact with the floor (FL).

22. A kit for adjusting the height (h) of a door (D), in particular a reinforced door, with respect to the floor (FL), mountable or mounted on a tubular support structure (F, CF), the kit comprsing:

a) at least one pair of hinges (100, 200) connectable to the door (D) for the rotatable movement thereof, the hinges being slidably mountable on the tubular support structure (F,

CF) to slide along a first axis (Y) parallel to or coincident with the rotation axis (Υ') of the door (D), the hinges (100, 200) being of the concealed type with a fixed element (110, 210) mountable within said tubular support structure (F, CF) and a movable element (120, 220) pivoted thereon to rotate about the rotation axis (Υ') between an open door (D) position and a closed door (D) position, the movable element (120, 220) including a fixing leaf (130, 230) for fixing thereof to the door (D) susceptible to concealedly retract within the tubular support structure (F, CF) in the closed door (D) position and to visibly extend therefrom (F, CF) in the open door (D) position, the fixed element (110) of at least one of said hinges (100) including at least one operative portion (111); b) at least one actuator device (300) according to one or more of the preceding claims;

wherein the at least one actuator device (300) is susceptible to interact with the at least one operative portion (111) of the fixed element (110) of said at least one of said hinges (100) to promote the sliding of the hinges (100, 200) along the first axis (Y), thus correspondingly varying the height (h) of the door (D) with respect to the floor (FL).

23. Kit according to the preceding claim, wherein the fixed element (110) of the at least one of said hinges (100) is positioned below the corresponding movable element (120), said at least one actuator device (300) being fixable to the tubular support structure (F, CF) below the fixed element (110) of the at least one of the hinges (100) so that the slider (320) of the former (300) interacts with the at least one operative portion (111) of the latter (100) for lifting / lowering the hinges (100, 200) along said first axis (Y).

24. Kit according to claim 22 or 23, wherein the movable element (220) of the other of said hinges (200) is unitary coupled to the corresponding fixed element (210) so that the sliding along the first axis (Y) of the at least one of the hinges (100) corresponds to the unitary sliding of the fixed (210) and movable (220) elements of the other of the hinges (200).

25. Kit according to one or more of the claims 22 to 24, wherein the fixed (110, 210) and movable (120, 220) elements of both hinges (100, 200) are mutually unitary coupled.

26. Kit according to one or more of the claims 22 to 25, wherein the fixed elements (110, 210) of both hinges (100, 200) are placed below the corresponding movable elements (120, 220).

27. Kit according to one or more of the claims 22 to 26, wherein the fixed element (110) of the at least one of the hinges (100) comprises a first box-shaped hinge body (112), the latter including the at least one operative portion (111).

28. Kit according to the preceding claim, wherein the fixed element (110) of the at least one of the hinges (100) comprises a first lower half-hinge, the movable element (120) thereof comprising a first upper half-hinge, said first fixed lower half-hinge (110) including the first box-shaped hinge body (112).

29. Kit according to the preceding claim, wherein the first movable upper half-hinge (120) includes a first pivot (113) defining the rotation axis (Υ') of the door (D), the first box-shaped hinge body (112) including a first passing-through hole (114) within which the first pivot (113) is inserted for rotatably supporting thereof, the first pivot (113) and/or the first passing-through hole (114) including first means (115) for blocking the axial sliding of the former (113) with respect to the latter (114), so as to prevent the slipping and/or the misalignment thereof upon the sliding of the hinges (100, 200) along the first axis (Y).

30. Kit according to one or more of the claims 22 to 29, wherein the fixed element (210) of the other of the hinges (200) comprises a second lower half-hinge, the movable element (220) thereof comprising a second upper half-hinge, the second fixed lower half-hinge (210) including a second box-shaped hinge body (212).

31. Kit according to the preceding claim, wherein the second movable upper half-hinge

(220) includes a second pivot (213) defining the rotation axis (V) of the door (D), the second box- shaped hinge body (212) including a second passing-through hole (214) within which the second pivot (213) is inserted for rotatably supporting thereof, the second pivot (213) and/or the second passing-through hole (214) including second means (215) for blocking the axial sliding of the former (213) with respect to the latter (214), so as to prevent the slipping and/or the misalignment thereof upon the sliding of the hinges (100, 200) along the first axis (Y).

32. Kit according to one or more of the claims 22 to 31, wherein the at least one of the hinges (100) is mountable on the tubular support structure (F, CF) below the other of the hinges (200).

33. Kit according to one or more of the claims 22 to 32, wherein the hinges (100, 200) and said at least one actuator device (300) are respectively mountable and fixable on said tubular support structure (F, CF) so that when the slider (320) of said at least one actuator device (300) is in the first operative position the door (D) is in contact with the floor (FL).

34. Kit according to one or more of the claims 22 to 33, wherein said at least one actuator device (300) is spaced apart from the hinges (100, 200), the latter (100, 200) not including the former

(300).

35. Kit according to one or more of the claims 22 to 34, comprising a single actuator device

(300).

36. A system for adjusting the height (h) of a door (D), in particular a reinforced door, with respect to the floor (FL), the system comprising:

a) a tubular support structure (F, CF);

b) a kit according to one or more of the claims 22 to 35;

wherein the hinges (100, 200) are connected to the door (D), the hinges (100, 200) and the at least one actuator device (300) being mounted on said tubular support structure (F, CF) so that the latter (300) interacts with the at least one operative portion (111) of the fixed element (110) of at least one of the former (100, 200) to promote the sliding thereof (100, 200) along the first axis (Y), thus correspondingly varying the height (h) of the door (D) with respect to the floor (FL).

37. System according to the preceding claim, wherein the at least one of the hinges (100) is mounted on the tubular support structure (F, CF) below the other of the hinges (200).

38. System according to claim 36 or 37, wherein the hinges (100, 200) and the at least one actuator device (300) are respectively mounted and fixed on the tubular support structure (F, CF) so that when the slider (320) of said actuator device (300) is in the first operative position the door (D) is in contact with the floor (FL).

39. System according to claim 36, 37 or 38, wherein the actuator device (300) is spaced apart from the hinges (100, 200), the latter (100, 200) not including the former (300).

40. System according to one or more of the claims 36 to 39, comprising a single actuator device (300).

41. A method for adjusting the height (h) of a door (D), in particular a reinforced door, with respect to the floor (FL) by means of the system according to one or more of claims 36 to 40, the door (D) being mounted or to be mounted on a tubular support structure (F, CF), comprising the steps of:

a) providing at least one actuator device (300) and at least one pair of hinges (100, 200) on the tubular support structure (F, CF), the hinges (100, 200) being removably fastenable on the latter;

b) acting on the at least one adjustment screw (330) of the at least one actuator device (300) for promoting the interaction of the slider (320) of the latter with at least one operative portion (111) of the fixed element (110) of at least one of the hinges (100), so as to promote the sliding of the hinges (100, 200) along the first axis (Y) thus correspondingly varying the height (h) of the door (D) with respect to the floor (FL);

c) fastening of at least one of the hinges (100, 200) on the tubular support structure (F,

CF).

42. Method according to the preceding claim, wherein said providing step a) includes a step of unfastening said hinges (100, 200) from the tubular support structure (F, CF).

43. Method according to claim 41 or 42, wherein upon said step b) of acting on the at least one adjustment screw (330) of the at least one actuator device (300) the door (D) is mounted on said tubular support structure (F, CF) and is in contact with the floor (FL).

44. Method according to claim 41, 42 or 43, wherein said providing step a) includes a step of mounting the door (D) on the tubular support structure (F, CF), the fixing leafs (130, 230) of said hinges (100, 200) including a respective anchoring plate (131, 231) removably coupled therewith, said mounting step of the door (D) on the tubular support structure (F, CF) including the steps of:

- providing the hinges (100, 200) on the tubular support structure (F, CF) without said anchoring plates (131, 231);

- anchoring thereof (131, 231) to the door (D); - coupling of the door (D) with said tubular support structure (F, CF) by coupling said anchoring plate (131, 231) anchored to the door (D) with the fixing leafs (130, 230) of the hinges (100, 200) anchored to the tubular support structure (F, CF).

45. Method according to claim 41, 42, 43 or 44, wherein said step c) provides for the fastening of both hinges (100, 200) on the tubular support structure (F, CF).