EP3851629A1 - Rolling shutter with stackable telescopic laths - Google Patents
Rolling shutter with stackable telescopic laths Download PDFInfo
- Publication number
- EP3851629A1 EP3851629A1 EP21151903.8A EP21151903A EP3851629A1 EP 3851629 A1 EP3851629 A1 EP 3851629A1 EP 21151903 A EP21151903 A EP 21151903A EP 3851629 A1 EP3851629 A1 EP 3851629A1
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- EP
- European Patent Office
- Prior art keywords
- lath
- along
- hooks
- laths
- top portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
- E06B9/15—Roller shutters with closing members formed of slats or the like
- E06B9/165—Roller shutters with closing members formed of slats or the like with slats disappearing in each other; with slats the distance between which can be altered
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
- E06B9/15—Roller shutters with closing members formed of slats or the like
- E06B2009/1533—Slat connections
- E06B2009/155—Slats connected by separate elements
- E06B2009/1566—Rigid elements, e.g. hinges, hooks or profiles
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
- E06B9/15—Roller shutters with closing members formed of slats or the like
- E06B2009/1577—Slat end pieces used for guiding shutter
Abstract
Description
- The present invention relates to a rolling shutter, comprising telescopic laths that can be stacked reciprocally, aimed at the sector of building frames for civil and/or industrial use.
- Various solutions are known of rolling shutter systems that can be rolled up around a roller, housed inside a box placed on the top of a window or the like, comprising a plurality of mutually connected telescopic laths. The individual laths can move relatively to each other, to provide a sunshade sheet able to partially obscuring, totally occluding or freeing the opening of a window frame in front of which they are installed.
- A traditional type of rolling shutter comprises a plurality of telescopic laths connected at their respective ends by means of hooks, so as to allow the individual laths to approach or move away from each other. Furthermore, the laths thus connected can rotate relatively to each other to allow the winding of the sunshade around a roller.
- The hooks, in particular, are U-shaped and have two arms parallel and spaced apart capable of engaging laterally in respective seats provided at the opposite ends of each lath. In practice, the two parallel arms are inserted inside respective seats provided in the laths, while the central portion remains outside the end of the laths.
- Each lath has two seats configured to allow the mobility of a respective arm housed inside them along a direction substantially orthogonal to the longitudinal development direction of each lath.
- Such a rolling shutter has some application limits with particular reference to its structural rigidity. In fact, the individual laths are mutually connected exclusively at their ends, thus resulting yielding and subject to bending at their central portion which is allowed to flex.
- In practice, such a shutter must be made with a limited longitudinal length, understood as the dimension along which the individual laths extend, thus limiting their usability.
- It should be noted that the instability of the laths also manifests itself in the case wherein the rolling shutter has a reduced longitudinal dimension but is subject to the action of the wind, resulting in the generation of vibrations and noise.
- A further drawback that afflicts such a shutter concerns the complexity of its assembly, with particular reference to the use of axial locking elements to constrain the individual hooks to the respective laths along the longitudinal direction, and prevent them from accidentally coming out and causing the separation between the individual laths.
- Document
EP 3184726 A1 describes a rolling shutter with telescopic laths wherein the laths are mutually connected only at their ends. - Documents
EP 1096098 A2 andEP 0367212 A2 describe further embodiments of shutters wherein the laths are connected to each other by means of single elongated connecting elements. Each elongated connecting element is interposed between two consecutive laths to be mutually connected. The individual elongated connecting elements have substantially the same extension or length as the laths to which they are connected. - The purpose of the present invention is to allow in a simple, efficient and economical way the realization of a shutter with telescopic laths of high mechanical strength, which is practical and easy to assemble, able to overcome the drawbacks of traditional solutions disclosed above.
- Another object of the present invention is to provide a rolling shutter with a reduced winding size, understood as the space occupied by the shutter completely wrapped around a drive roller and compatible with the side guides used for traditional type rolling shutters.
- A further object of the present invention is to provide a rolling shutter with reduced operating noise to promote high acoustic comfort during its use.
- Specific object of the present invention is a rolling shutter configured to be connected to a winding roller and to be slidingly engaged along lateral support guides, wherein the rolling shutter comprises a plurality of laths and hooks, wherein each of the laths is movably connected to a following between the laths by at least two of the hooks, wherein each among the laths comprises a top portion along which a first linear groove is delimited which longitudinally extends along the lath along a first direction and a bottom portion along which a second linear groove is delimited which extends along the first direction of the lath, wherein the hooks are configured for slidingly engage the first linear groove and the second linear groove, wherein each among the hooks can be arranged along the first linear groove and the second linear groove in a predetermined position, the hooks being arranged spaced to each other along the first direction, for the mutual connection of the laths stacked in succession and to allow a relative movement of approaching, moving away and rotation between the laths.
- According to another aspect of the invention, the second linear groove can be in communication with a channel which develops internally to the lath along the first direction, wherein the first channel is configured to slidingly house at least a portion of the top of a respective one among the hooks so as to allow the extraction or partially retraction of the top portion with respect to the bottom portion through the second linear groove.
- According to a further aspect of the invention, the lath can be delimited by a first wall and a second wall connected to each other through at least a first partition, wherein the at least one first partition delimits a top portion of the channel configured to selectively act as abutment for a portion top of each of the hooks which are slidably engaged in the channel.
- According to an additional aspect of the invention, each of the hooks can be an extruded ribbon-shaped element and has a first hooking element which protrudes from a bottom portion of each one among the hooks, a second hooking element which extends from a top portion of each one among the hooks and a central connection portion interposed between the top portion and the bottom portion.
- According to another aspect of the invention, the central connection portion can be configured arched.
- According to a further aspect of the invention, the first hooking element can be configured to achieve a shape coupling, in abutment, with a first curved element which extends at the top portion of the lath and wherein the second hooking element is configured to achieve a shape coupling, in abutment, with a second curved element which extends at the bottom portion of the lath.
- According to an additional aspect of the invention, the first curved element has a concavity facing the bottom portion of the lath and wherein the second curved element has a concavity facing the top portion of the lath.
- According to another aspect of the invention, the lath can comprise a third curved element at the bottom portion, wherein the third curved element partially extends through a thickness of the lath opposed to the second curved element and separated from it so as to delimit the second linear groove.
- According to a further aspect of the invention, the third curved element can have a concavity facing the top portion of the lath and it is configured to be selectively arranged in abutment against a third hooking element which protrudes cantilevered from a top portion of the second hooking element with said hook engaged inclined relative to the lath.
- According to an additional aspect of the invention, the lath can comprise a second partition at the top portion spaced from the first curved element, wherein the second partition is curved and has a concavity facing the top portion and delimiting with the first curved element a seat for housing the first hooking element of a respecting among the hooks.
- According to another aspect of the invention, the rolling shutter can comprise at least one connecting element for the connection of a first among the laths at the winding roller, wherein the at least one connecting element has a length along the first direction similar or comparable to that of the laths along the first direction.
- According to a further aspect of the invention, the rolling shutter can comprise at least one gasket configured elongated to be engaged, by means of a shape coupling, along the first linear groove in an interposed position between pairs of the hooks positioned along the first linear groove of the same lath among the laths, the at least one gasket being configured to seal the first linear groove.
- According to an additional aspect of the invention, the lath can comprise a first protrusion which protrudes from the top portion on the opposite side with respect to that from which the first curved element departs, the first protrusion extending along the lath along the first direction, and wherein the lath comprises a second protrusion which protrudes from the first curved element towards the outside of the lath, the first protrusion and the second protrusion defining respective sides, parallel to each other, engageable, by means of a shape coupling, against a respective seat delimited along the bottom portion of the lath.
- According to another aspect of the invention, the second curved element and the third curved element can be arranged spaced from the end of the bottom portion to delimit the linear housing seat for housing the top portion of a further lath against which it is configured to be selectively placed in abutment.
- Furthermore, the specific object of the present invention is a kit of components for mounting a rolling shutter comprising:
- a plurality of laths, and
- a plurality of hooks,
- The advantages offered by the rolling shutter according to the invention are evident.
- In particular, the rolling shutter according to the invention has a high mechanical strength, as part of a solution that is easy to assemble and build.
- Furthermore, the rolling shutter according to the invention has a high modularity, that means the ability to be able to create various formats of shutter while requiring a limited number of components compared to traditional rolling shutters.
- The rolling shutter according to the invention is able to slide inside the common standard guides for rolling shutters/roller shutters and to wind itself inside the traditional boxes, making it practical and flexible to use even in replacement of traditional rolling shutter or roller shutters already installed.
- The present invention will now be described, for illustrative but not limitative purposes, according to its preferred embodiments, with particular reference to the Figures of the attached drawings, wherein:
-
Figure 1 shows a perspective schematic view of a roller shutter according to the invention in an operational configuration of partial opening; -
Figure 2 shows a schematic perspective view, partially exploded, of a further version of a rolling shutter according to the invention, in the operating configuration of partial opening; -
Figure 3 shows an exploded view of some components of a rolling shutter according to the invention; -
Figure 4 shows a perspective view of a component of the rolling shutter according to the invention (FIG. 4a ) and a further perspective view, from an opposite perspective, of this component (FIG. 4b ); -
Figure 5 shows a perspective view of a component of the rolling shutter according to the invention; -
Figure 6 shows an exploded view of some components of a rolling shutter according to the invention; -
Figure 7 shows a perspective view of a component of the rolling shutter according to the invention; -
Figure 8 shows a side section of some components of a rolling shutter according to the invention in a partially raised configuration (Fig. 8a ) and a partial perspective view of them (Fig. 8b ); -
Figure 9 shows a side sectional view of some components of a rolling shutter according to the invention in a completely lowered configuration (Fig. 9a ) and a partial perspective view of them (Fig. 9b ); -
Figure 10 shows a side sectional view of a portion of the rolling shutter partially wrapped around a winding roller; -
Figure 11 shows a side sectional view of two laths of the rolling shutter according to the invention in a stacked configuration (Fig. 11a ), in a spaced and aligned configuration (Fig. 11b ) and in a spaced and inclined configuration (11c); -
Figure 12 shows a side sectional view of further two laths of the rolling shutter according to the invention in a stacked configuration (Fig.12a ), in a spaced and aligned configuration (Fig.12b ) and in a spaced and inclined configuration (Fig.12c ); - The rolling shutter according to the invention, hereinafter referred to as shutter for the sake of brevity, is wholly indicated with 1.
- The
shutter 1 comprises a plurality of mutuallymovable laths 2 connected. - The
laths 2, in fact, can mutually assume a stacked position, wherein they are stacked reciprocally and arranged against each other (seeFigures 9a, 9b ,11a and 12a ) to define a blackout sheet, a spaced position, wherein theindividual laths 2 are separated from each other with a predetermined distance, to define openings for the passage of light through the sheet (seeFigures 1, 2 ,8a, 8b ,11b and 12b ), and an inclined position, wherein theindividual laths 2 are inclined to each other (seeFigures 11c and 12c ) to allow them to be wound around a winding roller 3 (schematically illustrated inFigure 10 ). - The
shutter 1 compriseshooks 4 for mutual connection between theindividual laths 2. - Each
lath 2 is connected to asubsequent lath 2 by means of at least twohooks 4 according to methods that will be better described below (seeFigures 1 and 2 , inFigure 1 only a row ofhooks 4 aligned with each other due to the perspective is visible). - The
shutter 1 comprises lateral support guides 5 for supporting thelaths 2 themselves (see, for example,Figures 1 and 2 ). - The
guides 5 are configured as elements shaped like a "C" or "U" or similar and define a sliding guide to support theshutter 1 at its ends, i.e. at the opposite ends of thelaths 2, in a configuration assembly and to guide its sliding between a raised, partially raised position (seeFigures 1, 2 ,8a and 8b ) or fully lowered (seeFigures 9a and 9b ). - The
shutter 1 is shaped, if desired, to slide along guides 5 of a traditional type, for example of the type provided along a frame of a door, French door or window, to guide a linear sliding of theshutter 1 inside them during the opening operations/lifting and closing/lowering of the same. - The
shutter 1 comprises at least one connectingelement 6, for the reciprocal connection between at least two first laths that define the top of theshutter 1. In other words, by first laths it is meant a first lath 2' at the top of theshutter 1, which can be connected to the winding roller 3 (seeFigure 10 ) by means of traditional connection elements, not shown in the attached Figures, and one ormore laths 2 subsequently connected to said first laths 2'. The first lath 2' has the same conformation as thelaths 2, thus limiting the type of components necessary for the assembly of theshutter 1 according to the invention. - The at least one connecting
element 6 has an elongated conformation, with a length similar to that of thelaths 2, 2' to which it is connected, differing from the conformation of thehooks 4 which, on the contrary and as better described later, are narrow. - The number of the first laths 2' may vary depending on the size of the
shutter 1 or the diameter and shape of the windingroller 3 in order to ensure the correct connection between the top portion of thesunshade 1 and the windingroller 3 itself. - According to an alternative embodiment, the
shutter 1, not shown in the attached figures, comprises only hooks 4 for the mutual connection between thelaths 2, 2'. - Each
lath 2, according to a preferred embodiment of the invention, is shaped like an extruded aluminum profiled element, although it is understood that it is possible to provide alternative versions made of other metal materials, such as steel, or of highly thermoplastic resistance, such as PVC. - The
lath 2 is shaped as a hollow elongated body which extends along afirst direction 7 or longitudinal direction (seeFigures 1 and3 ). - The
lath 2 has afirst wall 8 and asecond wall 9, spaced apart and joined by afirst partition 10 and asecond partition 16 interposed between them and spaced apart (seeFigure 3 ). Thefirst wall 8, thesecond wall 9, thefirst partition 10 and thesecond partition 16 extend for the entire length of thelath 2 along thefirst direction 7. Preferably, thefirst partition 10 is substantially orthogonal to thefirst wall 8 and to thesecond wall 9. - The
first partition 10 and thesecond partition 16 each act as a stiffening element for thelath 2, increasing its flexural strength along thefirst direction 7. - The
lath 2 has atop portion 11, abottom portion 12 and acentral portion 13 which acts as a connection between thetop portion 11 and thebottom portion 12. - The
top portion 11 of alath 2 is configured to meet, with shape coupling, with thebottom portion 12 of afurther lath 2 stacked on it. - In particular, the
top portion 11 engages a complementary seat delimited at thebottom portion 12 of afurther lath 2 stacked thereon. - The
first partition 10 is positioned in correspondence with thecentral portion 13. - The
second partition 16 is positioned in correspondence with thetop portion 11, as better described below. - The
lath 2, at thetop portion 11, has a first curved orhooked element 14 which extends from thesecond wall 9, facing the inside of the thickness of thelath 2, that is to say within a space delimited by thefirst wall 8 and second wall 9 (seeFigure 3 ). - The first
curved element 14 is separated from thefirst wall 8. - The first
curved element 14 develops for theentire lath 2 along thefirst direction 7 and has a concavity facing thebottom portion 12 of thislath 2. - Similarly, the
lath 2 has, at thebottom portion 12, a second curved orhooked element 15 which protrudes from thesecond wall 9, facing the inside of the thickness of thelath 2, i.e. inside a space bounded by thefirst wall 8 and the second wall 9 (seeFigure 3 ). - The second
curved element 15 is separated from thefirst wall 8. - The second
curved element 15 extends at the bottom end of thesecond wall 9, for theentire lath 2 along thefirst direction 7. - The second
curved element 15 has a concavity facing thetop portion 11 of thelath 2. In practice, the firstcurved element 14 and the secondcurved element 15 of thesame lath 2 are opposed to each other, meaning that they have their respective facing concavities with opposite direction (seeFigure 3 ). - According to a preferred embodiment, illustrated in the attached
Figures 3 ,6 ,8-12 , thelath 2 has an arched cross section, so that the concavities of thefirst wall 8 and of thesecond wall 9 face the side wherein it is installed the windingroller 3 of theshutter 1. In other words, the concavity of thefirst wall 8 and of thesecond wall 9 is in agreement with the winding curvature around the windingroller 3. - More generally, it should be noted that the
shutter 1 can be installed both on internal boxes of a building, i.e. with thewall 8 facing the outside of the building, and on external boxes, i.e. installed on the external facades of a building, with thewall 8 of thelath 2 facing the interior of this building. Regardless of the installation position of the box wherein to install thesunblind 1, thewall 9 always faces to face the windingroller 3. With reference to the attached Figures, when thelath 2 is not wound on a windingroller 3, thefirst wall 8 faces outwards andsecond wall 9 faces inwards, i.e. facing the side where the windingroller 3 of theshutter 1 is installed, in order to facilitate the winding and unwinding of theshutter 1 relative to the windingroller 3 and to reduce the bulk of theshutter 1 itself in the wrapped configuration. - The
arched lath 2 has a greater mechanical resistance to bending stresses, compared to astraight lath 2, since the arched profile of thefirst wall 8 and of thesecond wall 9 acts as a stiffener for theentire lath 2, against orthogonal stresses to thefirst wall 8 facing thesecond wall 9. - According to an alternative embodiment, not shown in the attached Figures, the
lath 2 has a planar shape, substantially box-like, with thefirst wall 8 and thesecond wall 9 flat and parallel to each other. - As mentioned, the
lath 2 has, at thetop portion 11, thesecond partition 16. - The
second partition 16 is configured curved and has a concavity opposed to the concavity of the first curved element 14 (see for exampleFigure 3 ). Thesecond partition 16 therefore has a concavity facing thetop portion 11 of thelath 2. - The
second partition 16 mutually connects the ends of thefirst wall 8 and of thesecond wall 9 at thetop portion 11, rigidly constraining them to each other. - The first
curved element 14 and thesecond partition 16 define a seat between them which develops linearly for theentire lath 2, along the firstcurved direction 7, with reference to a plane orthogonal to the first direction 7 (such as for example a cross section plane according to the views ofFigures 11a and 12a ). The curved seat is configured to house one end of one of thehooks 4 connected to thelath 2 at thetop portion 11, as better described below (see, for example,Figures 11 and 12 ). - In particular, the curved seat at the
top portion 11 defines a holding and guiding element to allow relative rotation between thelath 2 and thehooks 4 engaged in thetop portion 11 of thelath 2 itself, around an axis of rotation parallel to thefirst direction 7. Furthermore, the curved seat is configured to allow the sliding of thehooks 4 along thefirst direction 7. - The
lath 2 has afirst protrusion 17 which protrudes from thetop portion 11, on the opposite side with respect to that from which the firstcurved element 14 projects. - With reference to the embodiment illustrated in the attached Figures, the
first protrusion 17 protrudes from the top end of thefirst wall 8. - The
first protrusion 17 extends for theentire lath 2 along thefirst direction 7, and is configured as a partition element (seeFigure 3 ). In practice, thefirst protrusion 17 defines a first abutment side for thebottom portion 12 of afurther lath 2 against which thelath 2, stacked in succession along theshutter 1, abuts. - The
lath 2 delimits at the top portion 11 a first linear groove that extends for theentire lath 2 along thefirst direction 7. - In particular, the
first protrusion 17 and the firstcurved element 14, being mutually spaced, delimit the first linear groove from each other. - The
lath 2 has asecond protrusion 18 that protrudes from the firstcurved element 14 facing the outside of thelath 2 itself. Thesecond protrusion 18 defines a second abutment side, parallel to thefirst protrusion 17, which extends from thetop portion 11 to abut against a respective second side of thebottom portion 12 of afurther lath 2 stacked in succession in a possible configuration of use. - As said, the
lath 2 comprises a secondcurved element 15 at thebottom portion 12. - With reference to the embodiment illustrated in the attached Figures, it should be noted that the second
curved element 15 is spaced from the bottom end of thesecond wall 9 by an offset distance equal to at least the distance with which thesecond protrusion 18 protrudes from the top portion of the first curved element 14 (seeFigure 3 ). - The
lath 2, at thebottom portion 12, has a third curved element orrib 19 that protrudes inside the thickness of thelath 2 starting from thefirst wall 8. - The third
curved element 19 is separated from thesecond wall 9. - The third
curved element 19 has a concavity facing thetop portion 11 of thelath 2. - The third
curved element 19 faces opposite to the secondcurved element 15. More in detail, the thirdcurved element 19 protrudes from thefirst wall 8, spaced from a bottom end of the same with a distance equal to or substantially equal to the offset distance set of the secondcurved element 15. - The third
curved element 19 and the secondcurved element 15 define abutments along thebottom portion 12 respectively for thefirst protrusion 17 and for thesecond protrusion 18. - The third
curved element 19 and the secondcurved element 15 define a housing seat along thebottom portion 12 of thelath 2, configured to house thefirst protrusion 17 and thesecond protrusion 18 protruding from thetop portion 11 by means of a shape coupling. The conformation of thetop portion 11 and of thebottom portion 12 promotes the stacking between twosuccessive laths 2, by means of shape coupling and, therefore, a stable connection resistant to the stresses acting frontally against the shutter 1 (or in other words, those stresses which act in thrust against theshutter 1 and which have at least one component orthogonal with respect to thefirst direction 7 of thelaths 2, in particular from thefirst wall 8 to the second wall 9), such as for example the wind thrust. - The
shutter 1 according to the invention, when arranged in a completely lowered configuration, with thelaths 2 stacked together in mutual abutment (see for exampleFigures 9a and 9b ), acts as a completely darkening sheet as well as an anti-burglary barrier. - The
lath 2 delimits, at thebottom portion 12, a second linear groove that extends for theentire lath 2 along thefirst direction 7. - In particular, the second
curved element 15 and the thirdcurved element 19 are mutually separated along a second direction 20 oriented along the thickness of thelath 2. Therefore, the secondcurved element 15 and the thirdcurved element 19 define the second linear groove from each other. - The second linear groove is in communication with a
channel 21 which extends along the entire lath 2 (seeFigures 3 ,11 and 12 ). - In particular, the
channel 21 has a top delimited by thefirst partition 10, laterally thechannel 21 is delimited by thefirst wall 8 and by thesecond wall 9 and on the bottom it is partially delimited by the secondcurved element 15 and by the thirdcurved element 19. - At the bottom of the
channel 21, in fact, the second linear groove is delimited through which at least partially each of thehooks 4 protrudes. - It is evidenced that the
lath 2 includes afurther channel 22 that extends for theentire lath 2 along the first direction 7 (seeFigures 3 ,11 and 12 ). - The
further channel 22 has a top delimited by thesecond partition 16, laterally it is delimited by thefirst wall 8 and by thesecond wall 9 and has a bottom delimited by thefirst protrusion 10. - The
further channel 22 thus configured guarantees high rigidity to thelath 2. - The
channel 21 defines a housing along which at least a portion of at least one of thehooks 4 is slidingly engaged. - More in detail, each of the
hooks 4 is configured as a ribbon-like element which has a first hookingelement 23, which protrudes from a bottom portion of each of thehooks 4, a second hookingelement 24, which protrudes from a portion of the top of each of thehooks 4 itself (seeFigure 4 ), and a central connection portion interposed between them. - It should be noted that the term "ribbon-like" means that each of the
hooks 4 has an elongated, ribbon or band conformation along a direction perpendicular to thefirst direction 7 and passing through the bottom portion and the top portion of this hook. - According to a preferred embodiment, the
hooks 4 are extruded metal elements, made of aluminum. It is understood that thehooks 4 can be made of further metallic materials, such as steel, or in a high-strength thermoplastic material such as, for example, PVC. - The
first coupling element 23 is configured to achieve a shape coupling with the firstcurved element 14 of thelath 2. - In particular, the first hooking
element 23 and the firstcurved element 14, when mutually coupled, define a rotating connection able to allow at least a relative partial rotation between a respective one of thehooks 4 and thelath 2 around an axis parallel to thefirst direction 7. - Similarly, the
second coupling element 24 is configured to achieve a shape coupling with the secondcurved element 15 of thelath 2. Thesecond coupling element 24 and the secondcurved element 15, when mutually coupled, define a rotating connection able to allow at least a relative partial rotation between a respective one of thehooks 4 and thelath 2 about an axis parallel to thefirst direction 7. - The first hooking
element 23 and the second hookingelement 24 have respective concavities opposite each other. - The second hooking
element 24 is configured to engage the second linear groove defined at thebottom portion 12 of thelath 2. In this regard, each of thehooks 4 has a thickness whose dimension is smaller than the width of the second linear groove, considered as a dimension extending along the second direction 20 (seeFigure 3 ). - Furthermore, the
second coupling element 24 is configured to slide in thechannel 21 along athird direction 25 which is orthogonal to thefirst direction 7 and to the second direction 20 (seeFigure 3 ). In other words, thethird direction 25 is orthogonal to the longitudinal direction along which thelath 2 extends and to the thickness of thelath 2 itself. - By engaging the second hooking
element 24 of a respective one between thehooks 4 inside thechannel 21, this hook among thehooks 4 is constrained inside alath 2 while the first hookingelement 23 extends outside thislath 2, protruding from thebottom portion 12 of the same. - As said, each of the
hooks 4 when coupled to thelaths 2 can slide in thechannel 21 along thethird direction 25, approaching or moving away the first hookingelement 23, and similarly the second hookingelement 24 connected to it, relative to theportion bottom 12 of thelath 2 wherein said hook between thehooks 4 is engaged. Moreover, being able to slide along the second linear groove, it is possible to easily position each of thehooks 4 in the predetermined position along thesame blade 2, that is to say along thefirst direction 7. - In this way it is possible to establish the positioning of the connection points between the
individual laths 2 according to specific needs, for example to optimize the distribution of stresses along eachlath 2. - This characteristic is determined by the fact that, as mentioned, each of the
hooks 4 has a ribbon-like conformation and, therefore, its dimension along thefirst direction 7 is much smaller than the dimension of thelath 2 along thisfirst direction 7. - According to a preferred embodiment, the central connection portion between the first hooking
element 23 and the second hookingelement 24 is arched, to promote the mobility of each of thehooks 4 inside arespective channel 21 wherein it is busy. - The central connecting portion of each of the
hooks 4, when configured arcuate, defines a concavity which (when this hook between thehooks 4 is inserted in thechannel 21 of a lath 2) faces opposite to that of thefirst wall 8 and of thesecond wall 9 of the lath 2 (seeFigures 6 ,8a and 9a ). - This conformation of the central connection portion of each of the
hooks 4 promotes the movement of the same with respect to thelath 2, preventing jamming or jamming during its insertion or extraction relative to thechannel 21 through the second linear groove. - Each of the
hooks 4 has a third hookingelement 26 configured to engage in abutment, by means of a shape coupling, with the thirdcurved element 19 of the lath 2 (seeFigures 4 and12c ). In particular, the abutment between the third hookingelement 26 and the thirdcurved element 19 is configured when this hook among thehooks 4 is coupled to thelath 2 in a position rotated around the first direction 7 - that is to say following the winding of theshutter 1 around the windingroller 3. - The third hooking
element 26 extends for the entire length of each of thehooks 4, intended as a longitudinal extension of the hook itself (i.e. along a direction which, when the hook between thehooks 4 is connected to thestrip 2, corresponds to the first direction 7). - The third hooking
element 26 protrudes, cantilevered, from a top portion of the second hookingelement 24 and delimits a concavity facing the same direction as that of the second hookingelement 24 itself. - The third hooking
element 26 is not an obstacle to the free sliding of each of thehooks 4 inside arespective channel 21, along thethird direction 25 and along thefirst direction 7. - The third hooking
element 26, similarly to the first hookingelement 23 and the second hookingelement 24, also acts as a stiffening element for each of thehooks 4. - In this regard, it should be noted that in the
shutter 1, in the winding configuration, following the relative rotation between each of thehooks 4 and thelath 2 engaged, the third hookingelement 26 abuts against the thirdcurved element 19 of thelath 2 along which this hook among thehooks 4 is engaged, thus determining a further stiffening element for thelath 2. In this way it is prevented that the weight of theunderlying laths 2, connected in succession, can cause a bending of thelath 2 along thefirst direction 7, and in particular a bending of thesecond wall 9. A high structural stability of eachlath 2 is thus ensured, understood as the ability to maintain the geometry of thefirst wall 8, of thesecond wall 9 as well as their reciprocal positioning unchanged (see, for example, example,Figures 10 and12c ). - As mentioned, the
shutter 1 comprises at least one connectingelement 6 for fixing between thelaths 2 of the top portion of ashutter 1 connected to the windingroller 3 through the first top lath 2'. - The at least one connecting
element 6 is elongated along thefirst direction 7 and has a cross section configured similar to that of each of the hooks 4 (compare the transverse views shown inFigures 11 and 12 ). - The at least one connecting
element 6 differs from each of thehooks 4 as regards the dimensions along thefirst direction 7 and along a second direction, perpendicular to this, that is to say a direction that develops starting from a bottom portion of the at least one connectingelement 6 facing a top portion thereof. - In particular, the at least one connecting
element 6 has a dimension along thefirst direction 7 substantially similar to that of thelaths 2 along thefirst direction 7 itself. The at least one connectingelement 6 therefore has an elongated configuration along thefirst direction 7 and, overall, differs from the ribbon-like conformation of each of thehooks 4. - The at least one connecting
element 6, similarly to thehooks 4, is configured to allow the mutual approach and separation between twolaths 2 to which it is connected, as well as the relative rotation around thefirst direction 7. - The at least one connecting
element 6 is preferably an extruded element made of metal material, such as aluminum. It is understood that it is possible to make the at least one connectingelement 6 in other metal materials, such as steel, or in high-strength thermoplastic materials such as, for example, PVC. - The at least one connecting
element 6 comprises a first connectinghook 27, a second connectinghook 28, placed at the opposite ends of the at least one connectingelement 6 itself, and acentral portion 29 interposed between them (seeFigure 6 ). - The first connecting
hook 27 is configured to selectively engage, by means of a shape coupling, the secondcurved element 15 at thebottom portion 12 of thelath 2. - The second connecting
hook 28 is configured to couple, by means of a shape coupling, with the firstcurved element 14 at thetop portion 11 of thelath 2. In particular, the second connectinghook 28 engages the curved seat at the portion at the top 11 of thelath 2. - The first connecting
hook 27 protrudes from a top end of the at least one connectingelement 6 while the second connectinghook 28 protrudes from a bottom end of the at least one connecting element 6 (seeFigure 6 ). The first connectinghook 27 and the second connectinghook 28 protrude from the same side with respect to the central connectingportion 29, and have respective concavities facing opposite each other. In this regard, it should be noted that the first connectinghook 27 defines a concavity facing the bottom end of the at least one connectingelement 6 while the second connectinghook 28 defines a concavity facing the top end of the at least one connectingelement 6. - In practice, the at least one connecting
element 6 has a cross section, that is, a section along a plane orthogonal to the longitudinal direction along which the at least one connectingelement 6 itself develops, substantially shaped like a "C". - The at least one connecting
element 6 differs from thehooks 4 as well as for the extension along thefirst direction 7 also for the conformation of thecentral connection portion 29. - The central connecting
portion 29, in fact, has a shorter length than the corresponding central connecting portion of thehooks 4. In other words, the first connectinghook 27 and the second connectinghook 28 have a smaller separation distance than that between the first hookingelement 24 and the second hookingelement 23 of thehooks 4. Consequently, the maximum separation distance at which twolaths 2 connected to each other through a connectingelement 6 can be arranged is lower than that which can be obtained through the use ofhooks 4 for the connection of twoblades 2 consecutive to each other. - The at least one connecting
element 6 extends along a longitudinal direction which in the mounting configuration of theshutter 1 is aligned to thefirst direction 7. - The at least one connecting
element 6 is configured to keep thelaths 2 closer together, when provided in the winding configuration around the windingroller 3, with respect to the inclined configuration between thelaths 2 which are connected by hooks 4 (see for example the configurations assumed between twoblades 2 illustrated in the attachedFigures 11c and 12c ). - The use of at least one connecting
element 6 is preferable for the connection between thelaths 2 arranged at the top portion of theshutter 1 connected to the windingroller 3 through the first top lath 2'. The number ofsuch laths 2 belonging to the top portion of thesunshade 1 can vary according to specific requirements of use, with reference to the overall weight of theshutter 1 or to its extension along thefirst direction 7. - As mentioned, preferably, the at least one connecting
element 6 extends along the entire length of theshutter 1 along thefirst direction 7 and, therefore, provides a stiffening element capable of ensuring a stable connection of thelaths 2, 2' in proximity to the windingroller 3 which, in use, are subjected to greater stresses than thelaths 2 distal therefrom. - The use of the at least one connecting
element 6 allows thelaths 2 of the top of theshutter 1 to be arranged substantially against the windingroller 3, during the winding phase, thus reducing the size of theshutter 1 in a rolled-up use configuration (see the diagram inFigure 10 ). This conformation allows the use of theshutter 1, if desired, in traditional type boxes, promoting the use of theshutter 1 also as a replacement of a rolling shutter or traditional type shutter, already installed. - The at least one connecting
element 6 comprises a third connectinghook 30 which protrudes from the first connectinghook 27 similarly to what is described in relation to the thirdcurved element 19 of the hooks 4 (seeFigure 6 ), to which reference should be made. - The third connecting
hook 30 is configured to abut against the thirdcurved element 19 of thelath 2 in the phase of maximum rotation between two contiguous laths 2 (seeFigure 11c ). In this way the mechanical connection of thelaths 2 which, during the winding step, is subjected to high stresses due to the weight of the underlying part oflaths 2 of theshutter 1, is firm and resistant. - The first connecting
hook 27, the second connectinghook 28 and the third connectinghook 30 define stiffening elements for the at least one connectingelement 6, ensuring a high structural resistance to theshutter 1. - The
shutter 1 comprises at least onegasket 31 shaped to engage, by means of a shape coupling, the curved seat delimited in correspondence with thetop portion 11 of the lath 2 (seeFigures 1, 2 and8b ), wherein thefirst element hook 23 of the hooks 4can be engaged. - The at least one
gasket 31 defines a sealing element which, in an assembly configuration, partially protrudes from the curved seat wherein it is housed to define an obstacle barrier to the entry of foreign bodies or dirt inside the seat itself. - In particular, the at least one
gasket 31 extends partly outside thetop portion 11 of thelath 2 and is shaped so as not to interfere with the shape coupling between thetop portion 11 of thelath 2 wherein it is positioned and thebottom portion 12 of afurther lath 2 stacked thereto. - The at least one
gasket 31 has an arched or substantially arched section and is sized to abut against thebottom portion 12 of alath 2 mounted above, thus attenuating any noises due to the impact between these portions during the stacking between 2 consecutive blades. - The at least one
gasket 31 is preferably made of extruded plastic material, such as rigid plastic material. - In addition to acting as a sealing element between two consecutive
stacked blades 2, the at least onegasket 31 acts as a spacer element, along thefirst direction 7, between thehooks 4 engaged along thesame blade 2. The at least onegasket 31, in fact, is housed along the curved seat present in thetop portion 11 of thelath 2, in a position interposed between twohooks 4 engaged in the curved seat itself (see for exampleFigure 2 ). - The at least one
gasket 31, therefore, keeps twohooks 4 engaged along the same curved seat at a predefined distance, equal to the length of the at least onegasket 31 itself along thefirst direction 7. - The use of at least one
gasket 31 is particularly useful in the event that theshutter 1 includes two ormore hooks 4 for mutual connection between theindividual laths 2. - With reference to the exemplary version illustrated in the attached
Figure 1 , theshutter 1 comprises a plurality oflaths 2 mutually connected, in pairs, by means of twohooks 4 arranged at the opposite ends of thelaths 2 themselves. - On the other hand, the attached
Figure 2 illustrates a further version of theshutter 1 comprising a plurality oflaths 2 mutually connected, in pairs, by means of threehooks 4 which, in turn, are mutually spaced along thefirst direction 7 by means of a first and asecond gasket 31, interposed between them. - It is understood that further versions of the
shutter 1 comprising a greater number ofhooks 4 arranged along respective linear grooves of thelaths 2 are possible, depending on specific use requirements. In particular, the number and arrangement of thehooks 4 used for the mutual connection between pairs oflaths 2 can vary according to the length of thelaths 2 themselves along thefirst direction 7 and/or to aesthetic reasons. - In practice, being able to position
several hooks 4 along the linear groove of thelaths 2 allows to optimize the distribution along thefirst direction 7 of the load acting on thelaths 2 avoiding a concentration of stresses only at the ends of thelaths 2, a concentration which instead occurs manifested in the roller blinds described in relation to the state of the art. - Keeping the
hooks 4 in position along the linear groove of thelath 2, i.e. along thefirst direction 7, ensures the correct connection between theindividual laths 2 and prevents unwanted displacement of the mutual connection points between thelaths 2, even after repeated actuation of theshutter 1 during its lowering or raising. In this way, a high structural strength of theshutter 1 is guaranteed as well as keeping thehooks 4 aligned with each other along respective directions parallel to thethird direction 25. - The
shutter 1 comprises terminal elements to be applied to the opposite ends of thelath 2. The terminal elements act as closing caps for the ends of thelath 2 for the purposes that will be described below. - The terminal elements comprise first
terminal elements 32 and secondterminal elements 33, configured to each other in a specular way, and designed to be connected to a respective end of the lath 2 (seeFigures 2 ,3 and6 ). - In the following description, reference will be made to a first
terminal element 32 since similar considerations apply in relation to the secondterminal element 33. - The first
terminal element 32 has a shaped portion comprising a raised profile comprising, in turn, at least one shapedprotuberance 34 complementary to the cross section of thechannel 21, to be engaged inside it. - With reference to the embodiment illustrated in the attached
Figure 6 , it should be noted that the raised profile of the firstterminal element 32 has in addition to the at least oneprotuberance 34 also asecond protuberance 35 configured to engage, by means of a shape coupling, an end of thesecond channel 22. - The first
terminal element 32 then has athird protuberance 36 configured to engage with a shape coupling, if desired sealed, in the curved seat delimited in correspondence with thetop portion 11 of thelath 2. - The
protuberances lath 2, thus preventing dirt or debris from penetrating inside the cavities present along thelath 2 itself. The presence of foreign bodies or the accumulation of dirt inside the cavities present in thelath 2 could in fact limit the mobility of thehooks 4 or of the at least one connectingelement 6 movably engaged in thelath 2 itself, compromising the correct operation of theshutter 1. - Each
terminal element lath 2, asupport plane 37 for abutment against a respective flat end of thelath 2 and at least twoprofiles 38 raised with respect to said support plane 37 (seeFigure 6 ). Theprofiles 38 are shaped to adhere to the external geometry of thelath 2 in a coupling phase, in such a way as to ensure a shape coupling between the parts, as well as the occlusion of any points of light between eachterminal element lath 2. - The
lath 2 comprises a cylindrical or substantiallycylindrical seat 39, advantageously in correspondence with thefirst partition 10, configured to delimit a housing which can be engaged by means of ascrew 40 adapted to connect the firstterminal element 32 and the secondterminal element 33 to respective ends of the lath 2 (see for exampleFigures 3 and6 ). - The
seat 39 in fact develops for the entire length of thelath 2 along thefirst direction 7, thus being accessible to both ends of thelath 2 itself. - With reference to the version illustrated in the attached
Figures 3 ,6 ,8 and 9 , theseat 39 defines a through groove which extends along the entire length of theseat 39 itself along thefirst direction 7. In fact, aseat 39 thus configured allows a limited compliance at the ends of thelath 2 promoting the engagement of thescrew 40 in theseat 39 itself and the recovery of any geometric tolerances. - The first
terminal element 32, and similarly the secondterminal element 33, each define a throughopening 41 configured for receiving a respective screw 40 (seeFigures 3 and6 ). The throughopening 41 is positioned along the firstterminal element 32, and similarly along the secondterminal element 33, so as to face theseat 39, when the firstterminal element 32 and, respectively, when the secondterminal element 33, are connected abutting against a respective end of thelath 2. - It should be noted that the first
terminal element 32 and the secondterminal element 33 prevent the accidental release of each of thehooks 4 engaged along thetop portion 11 and thebottom portion 12 of thelaths 2. - Furthermore, the first
terminal element 32 and the secondterminal element 33 prevent the accidental escape of the at least onegasket 31 engaged along thetop portion 11 of thelath 2. - Below is a brief description of the assembly of a
shutter 1 to a windingroller 3. - The top portion of a
shutter 1 is assembled, i.e. the portion that in use is connected to the windingroller 3, providing at least a first lath 2' and asecond lath 2 and connecting them reciprocally through at least one connectingelement 6. - At least one connecting
element 6 is connected to the top portion of a first lath 2', introducing the second connectinghook 28 along the curved seat delimited at the top portion of the first lath 2'. - Continue by connecting the at least one connecting
element 6 to thebottom portion 12 of the first lath 2'. In this regard, the first connectinghook 27 of this at least one connectingelement 6 is inserted through the linear groove defined at thebottom portion 12 of the first lath 2'. - Then the at least one connecting
element 6 is extracted from thebottom portion 12 of the first lath 2', moving the second connectinghook 28 away from thebottom portion 12 itself to allow the connection of afurther lath 2 along the second connectinghook 28 same. - A
further lath 2 is connected to the at least one connectingelement 6 which protrudes from thebottom portion 12 of the first lath 2', then proceeding in the same way until the predetermined number oflaths 2 of the top of theshutter 1 is obtained through respective connectingelements 6. For example, the predetermined number oflaths 2 which are mutually connected by means of one or moreconnecting elements 6 is such as to allow an optimal initial winding of theshutter 1 around the windingroller 3 and to maintain one or more of the connectingelements 6 not visible on the outside of theshutter 1 during the actuation of the latter along theguides 5. - Then, at least a first of the
hooks 4 is connected to thebottom portion 12 of thelast blade 2 to which a connectingelement 6 is connected at the top portion of the same. - Proceed by connecting the
subsequent laths 2 through thehooks 4 in the same way as those described in relation to the positioning of at least one connectingelement 6. - As said, for the mutual connection between two
laths 2, in succession with each other in the configuration of use, at least twohooks 4 are provided (seeFigure 1 ), although it is understood that it is possible to provide a greater number ofhooks 4 depending on the length of thelaths 2 along the first direction 7 (see for exampleFigure 2 ). - It should be noted that at least one
gasket 31 is interposed between each of thehooks 4 and the next provided along thesame lath 2, so as to obtain a positioning of each of thehooks 4 along thefirst direction 7 according to a predetermined pattern. - The reciprocal connection of
further laths 2 is carried out in the manner described above until the predetermined length for theshutter 1 is obtained. - According to a preferred embodiment illustrated in the attached
Figures 1 and 2 , theshutter 1 comprises abottom lath 42 which in the configuration of use is the lath that encounters against a ground stop (the surface of a pavement or more generally the ground). - The
bottom lath 42 is an extruded element made of metallic material, such as aluminum, although it is intended that it can be made of other materials as described in relation to thelath 2, to which reference should be made. - With reference to the preferred embodiment illustrated in the attached
Figure 7 , thebottom lath 42 has a firstflat wall 43 and a secondflat wall 44, spaced apart and joined by at least oneintermediate partition 45 interposed between them. The firstflat wall 43, the secondflat wall 44 and the at least oneintermediate partition 45 extend for the entire length of thebottom lath 42, i.e. for the entirebottom lath 42 along thefirst direction 7. Preferably, the at least oneintermediate partition 45 is orthogonal to the firstflat wall 43 and to the secondflat wall 44. - The
bottom lath 42 includes a furtherintermediate partition 46 connecting the firstflat wall 43 and the secondflat wall 44, configured in a similar way to the at least oneintermediate partition 45. - The further
intermediate partition 46 and the at least oneintermediate partition 45 act synergistically as stiffening elements for thebottom lath 42. - The
bottom lath 42 has atop portion 47 and abottom portion 48 mutually connected by means of a central portion 49 (seeFigure 7 ). - The
top portion 47 is configured similarly to thetop portion 11 of theblade 2, to which reference is made, to house the first hookingelement 23 of two or more of thehooks 4 and thus allow the connection between thebottom lath 42 and thelath 2. - The
top portion 47 of thebottom lath 42 is configured to engage, with shape coupling, against thebottom portion 12 of theblade 2 stacked on thebottom lath 42 itself. - The
bottom lath 42, at thetop portion 47, has acurved element 50 which protrudes from the secondflat wall 44 within the thickness of thebottom lath 42, i.e. inside a space delimited by the first wall flat 43 and secondflat wall 44. - The
curved element 50 is separated from the firstflat wall 43. - The
curved element 50 extends for the entire length of thebottom lath 42, along thefirst direction 7, and has a concavity facing thebottom portion 48 of thebottom lath 42. - Similarly to what is described in relation to the
lath 2, thebottom lath 42 includes a curvedtop partition 51, which has a concavity opposed to the concavity of thecurved element 50. - The curved
top partition 51 mutually connects the ends of the firstflat wall 43 and of the secondflat wall 44 at thetop portion 47 of thebottom lath 42, rigidly constraining them to each other. - The
curved element 50 and the curvedtop partition 51 define a curved shaped top seat between them, with reference to the section of the top seat along a plane orthogonal to thefirst direction 7, configured to house a bottom end of theconnected hooks 4 to abottom lath 42. - The
bottom lath 42 has alongitudinal protrusion 52 which protrudes from thetop portion 47 of thebottom lath 42 itself, on the opposite side to that from which thecurved element 50 protrudes. - The
longitudinal protrusion 52 and thecurved element 50 are mutually separated so as to define a linear seat between them corresponding to the first linear groove present along thelath 2. The width of the linear seat is greater than the thickness of thehooks 4, to allow movement along thefirst direction 7 and promoting their positioning according to a predetermined assembly scheme. - With reference to the embodiment illustrated in the attached
Figure 7 , the firstlongitudinal protrusion 52 extends from the firstflat wall 43. - The first
longitudinal protrusion 52 extends over the entirebottom lath 42, along thefirst direction 7, and is configured as a partition. The firstlongitudinal protrusion 52 defines an abutment side for thebottom portion 12 of alath 2 stacked against thetop portion 47 of thebottom lath 42 in a configuration of use. - The
bottom lath 42, similarly to what has been described in relation to thelath 2, has a secondlongitudinal protrusion 53 which extends from the top of thecurved element 50. Thesecond protrusion 53 defines a further abutment side, parallel to the firstlongitudinal protrusion 52, configured to abut against a respective second side of thebottom portion 12 of alath 2 stacked against thetop portion 47 of thebottom lath 42. - The
bottom lath 42 includes acircular seat 54 or substantially circular at one between theintermediate partition 45 and the furtherintermediate partition 46 for the same purposes described in relation to theseat 39 of thelath 2. - In practice, the
seat 54 is configured to be engaged by a fastening screw not shown in detail in the attached Figures, for connecting a firstbottom terminal element 55 or a secondbottom terminal element 56 to the opposite ends of thebottom lath 42 itself (seeFigure 2 ). - The first
bottom terminal element 55 and the secondbottom terminal element 56, similarly to what has been described for the firstterminal element 32 and the secondterminal element 33, have a profiled portion to engage, by means of shape coupling, respective ends of thebottom lath 42. - With regard to the connection methods of the first
bottom terminal element 55 and the secondbottom terminal element 56, reference should be made to what has been described in relation to the firstterminal element 32 and the secondterminal element 33. - At least one of the first
bottom terminal element 55 and the secondbottom terminal element 56 defines acavity 57 for housing a lock or a locking element, for example a bolt, configured to block sliding, in a configuration of use of thebottom lath 42 along theguides 5, thus preventing the raising of theshutter 1 along the guides 5 (seeFigure 2 ). - The
bottom lath 42 has, at thebottom portion 48, abottom partition 58 along which alongitudinal seat 59 is delimited, which extends for the entirebottom lath 42 along thefirst direction 7. - The
longitudinal seat 59 is configured to house an abutment gasket, not shown in the attached Figures, able to abut against the ground against which thebottom lath 42 is placed when theshutter 1 is lowered to define a darkening or partially obscuring sheet. - The abutment gasket can also act as a shock-absorbing element to reduce the noise during the impact of the
bottom lath 42 against the ground as well as a sealing element to avoid any passage of air and/or light between thebottom portion 50 of thebottom lath 42 and the ground when the system is in a completely closed position, wherein all thelaths 2 are stacked together. - The person skilled in the art will easily understand how a
shutter 1 according to the invention is able to achieve the intended purposes, resulting in a solution of easy assembly and high structural strength. - The
shutter 1 also has a reduced number of components that can be connected together to obtain various assembly configurations for theshutter 1, as part of a solution capable of reducing production costs and those of stock management of the components to be assembled to obtain theshutter 1. By the expression assembly configurations it is meant the configurations that can be obtained for theshutter 1, different from each other in relation to the length of theshutter 1 along thefirst direction 7 or along athird direction 25 along which extends theshutter 1 itself. - The
shutter 1 has a high structural strength which is guaranteed even in the case wherein thelaths 2 have a high extension along thefirst direction 7. The use ofseveral hooks 4 positioned spaced apart along thefirst direction 7 allows to distribute optimally the stresses affecting theindividual laths 2 as a function of the individual assembly configurations of theshutter 1. - Furthermore, the use of
hooks 4 for the mutual connection between thelaths 2 ensures the presence of openings for the passage of air, as well as light, when the laths are positioned spaced apart along the stacking direction. - In the foregoing, the preferred embodiments have been described and variants of the present invention have been suggested, but it is to be understood that those skilled in the art will be able to make modifications and changes without thereby departing from the relative scope of protection, as defined by the claims attached.
Claims (15)
- Rolling shutter (1) configured to be connected to a winding roller (3) and to be slidingly engaged along lateral support guides (5), wherein said rolling shutter (1) comprises a plurality of laths (2, 2') and of hooks (4), wherein each of said laths (2, 2') is movably connected to a following between said laths (2, 2') by at least two of said hooks (4), wherein each among said laths (2, 2') comprises a top portion (11) along which a first linear groove is delimited which longitudinally extends along said lath (2, 2') along a first direction (7) and a bottom portion (12) along which a second linear groove is delimited which extends along said first direction (7) of said lath (2, 2'), wherein said hooks (4) are configured for slidingly engage said first linear groove and said second linear groove, wherein each among said hooks (4) can be arranged along said first linear groove and said second linear groove in a predetermined position, said hooks (4) being arranged spaced to each other along said first direction (7), for the mutual connection of said laths (2, 2') stacked in succession and to allow a relative movement of approaching, moving away and rotation between said laths (2, 2').
- Rolling shutter (1) according to claim 1, wherein said second linear groove is in communication with a channel (21) which develops internally to said lath (2, 2') along said first direction (7), wherein said first channel (21) is configured to slidingly house at least a top portion of a respective one among said hooks (4) so as to allow the extraction or partially retraction of said top portion with respect to said bottom portion (12) through said second linear groove.
- Rolling shutter (1) according to claim 2, wherein said lath (2, 2') is delimited by a first wall (8) and a second wall (9) connected to each other through at least a first partition (10), wherein said at least a first partition (10) delimits a top portion of said channel (21) configured to selectively act as abutment for a top portion of each of said hooks (4) which is slidably engaged in said channel (21).
- Rolling shutter (1) according to any one of the preceding claims, wherein each of said hooks (4) is an extruded element ribbon-shaped and has a first hooking element (23) which protrudes from a bottom portion of each one among said hooks (4), a second hooking element (24) which extends from a top portion of each one among said hooks (4) and a central connection portion interposed between said top portion and said bottom portion.
- Rolling shutter (1) according to claim 4, wherein said central connection portion is configured arched.
- Rolling shutter (1) according to claim 4 or 5, wherein said first hooking element (23) is configured to achieve a shape coupling, in abutment, with a first curved element (14) which extends at said top portion (11) of said lath (2, 2') and wherein said second hooking element (24) is configured to achieve a shape coupling, in abutment, with a second curved element (15) which protrudes at said bottom portion (12) of said lath (2, 2').
- Rolling shutter (1) according to claim 6, wherein said first curved element (14) has a concavity facing the bottom portion (12) of said lath (2, 2') and wherein said second curved element (15) has a concavity facing said top portion (11) of said lath (2, 2').
- Rolling shutter (1) according to claim 6 or 7, wherein said lath (2, 2') comprises a third curved element (19) at said bottom portion (12), wherein said third curved element (19) partially protrudes through a thickness of said lath (2, 2') opposed to said second curved element (15) and separated from it so as to delimit said second linear groove.
- Rolling shutter (1) according to claim 8, wherein said third curved element (19) has a concavity facing said top portion (11) of said lath (2, 2') and it is configured to be selectively arranged in abutment against a third hooking element (26) which protrudes cantilevered from a top portion of said second hooking element (24) when one respective among said hooks (4) is engaged inclined relative to said lath (2, 2').
- Rolling shutter (1) according to any one of the claims 6-9, wherein said lath (2, 2') comprises a second partition (16) at said top portion (11) spaced from said first curved element (14), wherein said second partition (16) is curved and has a concavity facing said top portion (11) and delimiting with said first curved element (14) a seat for housing said first hooking element (23) of a respective among said hooks (4).
- Rolling shutter (1) according to any one of the preceding claims, comprising at least a connecting element (6) for the connection of first among said laths (2, 2') at said winding roller (3), wherein said at least one connecting element (6) has a length along said first direction (7) similar or comparable to that of said laths (2, 2') along said first direction (7).
- Rolling shutter (1) according to any one of the preceding claims, comprising at least one gasket (31) configured elongated to be engaged, by means of shape coupling, along said first linear groove in a position interposed between pairs of said hooks (4) positioned along said first linear groove of a same lath among said laths (2, 2'), said at least one gasket (31) being configured to seal said first linear groove.
- Rolling shutter (1) according to any one of claims 6-12, wherein said lath (2, 2') comprises a first protrusion (17) which protrudes from said top portion (11) on the opposite side with respect to that one from which said first curved element (14) departs, said first protrusion (17) extending along said lath (2, 2') along said first direction (7), and wherein said lath (2, 2') comprises a second protrusion (18) which protrudes from said first curved element (14) facing the outside of said lath (2, 2'), said first protrusion (17) and said second protrusion (18) defining respective sides, parallel to each other, engageable, by means of shape coupling, against a respective seat delimited along said portion of bottom (12) of said lath (2, 2').
- Rolling shutter (1) according to claims 7 and 8, wherein said second curved element (15) and said third curved element (19) are arranged spaced from the end of said bottom portion (12) to delimit said linear housing seat for housing said top portion (11) of a further lath (2, 2') against which it is configured to be selectively placed in abutment.
- Kit of components for mounting a rolling shutter according to any one of claims 1 to 14, comprising:- a plurality of laths (2, 2'), and- a plurality of hooks (4),
wherein said laths (2, 2') are configured to be movably connected to each other by means of said hooks (4), wherein each of said laths (2, 2') comprises a top portion (11) along which a first linear groove extending longitudinally along said lath (2, 2') along a first direction (7) is delimited and a bottom portion (12) along which a second linear groove extending along said first direction of said lath (2, 2') is delimited, wherein said hooks (4) are configured to slidingly engage said first linear groove and said second linear groove for the mutual connection of said lath (2, 2') stacked in succession with each other and for allowing a relative movement of approaching, moving away and rotating between said laths (2, 2').
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102020000001018A IT202000001018A1 (en) | 2020-01-20 | 2020-01-20 | ROLL-UP SUNSCREEN WITH STACKABLE TELESCOPIC SLATS |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3851629A1 true EP3851629A1 (en) | 2021-07-21 |
EP3851629B1 EP3851629B1 (en) | 2023-11-29 |
Family
ID=70295830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21151903.8A Active EP3851629B1 (en) | 2020-01-20 | 2021-01-15 | Rolling shutter with stackable telescopic laths |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3851629B1 (en) |
IT (1) | IT202000001018A1 (en) |
PT (1) | PT3851629T (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202100005342A1 (en) * | 2021-03-08 | 2022-09-08 | Dallan Spa | STAVE FOR ROLLING SHUTTERS AND SHUTTER INCLUDING SUCH STAVE |
CN115450548A (en) * | 2022-09-16 | 2022-12-09 | 安徽盛鹏节能科技有限公司 | Detachable fireproof rolling shutter structure |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2243606A7 (en) * | 1973-09-11 | 1975-04-04 | Siamesi Srl | Roller blind with two interlinked section types - flat partly transparent sections have vert. slots excluding insects |
EP0367212A2 (en) | 1988-11-04 | 1990-05-09 | WAREMA Renkhoff GmbH | Roller shutter consisting of box-type slats and connecting rods with C-shaped cross section |
EP1096098A2 (en) | 1999-10-25 | 2001-05-02 | Franz Kraler | Roller shutter |
US20070012409A1 (en) * | 2005-07-12 | 2007-01-18 | Yehezkel Twina | Rolling shutters |
EP3184726A1 (en) | 2015-12-24 | 2017-06-28 | Tenda Sistem srl | Roller blind with adjustable spacing slats |
-
2020
- 2020-01-20 IT IT102020000001018A patent/IT202000001018A1/en unknown
-
2021
- 2021-01-15 PT PT211519038T patent/PT3851629T/en unknown
- 2021-01-15 EP EP21151903.8A patent/EP3851629B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2243606A7 (en) * | 1973-09-11 | 1975-04-04 | Siamesi Srl | Roller blind with two interlinked section types - flat partly transparent sections have vert. slots excluding insects |
EP0367212A2 (en) | 1988-11-04 | 1990-05-09 | WAREMA Renkhoff GmbH | Roller shutter consisting of box-type slats and connecting rods with C-shaped cross section |
EP1096098A2 (en) | 1999-10-25 | 2001-05-02 | Franz Kraler | Roller shutter |
US20070012409A1 (en) * | 2005-07-12 | 2007-01-18 | Yehezkel Twina | Rolling shutters |
EP3184726A1 (en) | 2015-12-24 | 2017-06-28 | Tenda Sistem srl | Roller blind with adjustable spacing slats |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202100005342A1 (en) * | 2021-03-08 | 2022-09-08 | Dallan Spa | STAVE FOR ROLLING SHUTTERS AND SHUTTER INCLUDING SUCH STAVE |
EP4056800A1 (en) * | 2021-03-08 | 2022-09-14 | Dallan S.p.A. | Slat for roller shutters and shutter comprising said slat |
CN115450548A (en) * | 2022-09-16 | 2022-12-09 | 安徽盛鹏节能科技有限公司 | Detachable fireproof rolling shutter structure |
CN115450548B (en) * | 2022-09-16 | 2023-12-15 | 安徽盛鹏节能科技有限公司 | Detachable fireproof rolling curtain structure |
Also Published As
Publication number | Publication date |
---|---|
EP3851629B1 (en) | 2023-11-29 |
PT3851629T (en) | 2024-02-07 |
IT202000001018A1 (en) | 2021-07-20 |
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