EP4097326A1 - Rolling shutter with adjustable slats - Google Patents

Rolling shutter with adjustable slats

Info

Publication number
EP4097326A1
EP4097326A1 EP21709133.9A EP21709133A EP4097326A1 EP 4097326 A1 EP4097326 A1 EP 4097326A1 EP 21709133 A EP21709133 A EP 21709133A EP 4097326 A1 EP4097326 A1 EP 4097326A1
Authority
EP
European Patent Office
Prior art keywords
slats
chain link
motion transmission
support element
component
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.)
Granted
Application number
EP21709133.9A
Other languages
German (de)
French (fr)
Other versions
EP4097326B1 (en
EP4097326C0 (en
Inventor
Vincenzo De Fazio
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tbk Srl
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP4097326A1 publication Critical patent/EP4097326A1/en
Application granted granted Critical
Publication of EP4097326B1 publication Critical patent/EP4097326B1/en
Publication of EP4097326C0 publication Critical patent/EP4097326C0/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/34—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable roller-type; Roller shutters with adjustable lamellae
    • 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
    • E06B2009/1555—Flexible elements, e.g. tapes, strips, cords or chains
    • 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

Definitions

  • the present invention relates to the type of roller shutter with adjustable slats for regulating the light and air entering from windows and French door.
  • Roller shutters of the type installed sliding on lateral guides and rolling up with respect to a winding roller operated manually or by motorization are well known, in which the movement for the orientation of the slats takes place with a rotary movement of said slats, activated by a mechanical device, kinematically connected to the motion source, composed of chain link elements.
  • Both of the said inventions have a first disadvantage deriving from the fact that to transmit the rotary motion to the slats they make use of systems with a number of components such as to compromise both the simplicity of production and the cost, due by the fact that for the solution described in the first cited patent, ten components are provided connected to the ends of the slats, of which six are different from each other, and the solution described in the second cited patent provides eight components for each slats.
  • This factor causes an increase in terms of production costs, especially in the case of molding of plastic materials.
  • a second disadvantage of the said inventions is the excessive weight of the roller shutter: the first patent has a very heavy side metal chain that compromise the its cost of transport and also a difficult handling during installation. The same applies to the second patent cited, which provides for a series of particularly bulky gears for lifting the shutter.
  • the third disadvantage of the said inventions is the excessive size of the kinematic chain, which requires particularly bulky sliding guides in terms of space occupied inside the walls where the shutters are installed.
  • the kinematic chain consists, of a series of chain link elements, motion transmission elements, support element for the slats, and of activation components of the kinematic chain.
  • FIG. 1 is a detailed axonometric view of the shutter in position with the slats open with one side without a sliding guide;
  • FIG. 2 is a detailed sectional view of the kinematic chain composed of the chain link and shutter elements in position with the slats closed;
  • FIG. 3 is a detailed sectional view of the kinematic chain made up of the chain link and shutter elements in position with the slats open;
  • Figure 4 is an axonometric view of the chain link element
  • Figure 5 is an axonometric view of the motion transmission element
  • Figure 6 is an axonometric view of the activation component of the kinematic chain
  • FIG. 7 is an axonometric view of the support element for the slats with the rotation pin in the left direction and according to the first embodiment
  • Figure 8 is an axonometric view of the support element for the slats with the rotation pin in the right direction and according to the first embodiment
  • Figure 9 is an axonometric view of the support element for the slats according to the second embodiment with the pin assembled in the right direction;
  • FIG. 10 is an axonometric view of the support element for the slats according to the second embodiment with the pin assembled in the left direction;
  • FIG. 11 is an axonometric view of the pin of the support element for the slats according to the second embodiment
  • FIG. 12 is an axonometric view of the shaped body of the element supporting the slats according to the second embodiment
  • FIG. 13 is a right view of the shaped body of the support element of the slats according to the second embodiment
  • FIG. 14 is a left view of the shaped body of the supporting element of the slats according to the second embodiment.
  • a roller shutter of the type with slats is indicated with 1.
  • Said shutter 1 is equipped with slats 2, with a support element for the slats 3 equipped with a rotation pin 4 being said support element for the slats 3 composed of a shaped body 5 for interlocking coupling with the slats 2.
  • the support element for the slats 3 is equipped with a rotation guide 6 in which slides a pin 7 belonging to the chain link elements 8, which allow the angular displacement of the support elements for the slats 3 and consequently the angular displacement of the slats 2.
  • the chain link elements 8 are connected to each other to form a continuous succession of chain link elements held in axis sliding inside two sliding guides 39.
  • the chain link element 8 is composed of a main body 9 inside which a motion transmission component 10 can slide, composed of an elongated body 11 having a through slot 12 crossed by the rotation pin 4 of the support for the slats 3.
  • the main body 9 of the chain link element 8 is provided, on both faces 13 and 14, parallel to the ends of the slats 2, with a through hole 17 suitable for housing the rotation pin 4 of the support element for the slats 3, which in this way can be positioned inside the through slot 12 of the motion transmission component 10 whose elongated body 11 is equipped in its upper part 18 with a thrust piston 19 suitable to press on the lower face 20 of the elongated body 11 of the motion transmission component 10 contained in the chain link element 8 connected at the top, thanks to the opening 22 located in the lower part 21 and to the through hole 45 placed in the upper part 44 of the main body 9 of the chain link element 8 which allow the passage of the thrust piston 19 of the elongated body 11 of the said motion transmission component 10.
  • the motion transmission component 10 is equipped on both faces 41 and 42, of the elongated body 11, parallel to the ends of the slats, with holes 15 and 16 suitable to contain the pin 7 facing towards the said support element for the slats 3, so as to allow said pin 7 to slide inside said rotation guide 6 of the support element for the slats 3, thanks to the presence of through slots 24 and 25, present on both faces 13 and 14, parallel at the ends of the slats 2, of the main body 9 of the said chain link element 8, which allow the pin 7 to slide up and down and to position itself in said rotation guide 6.
  • the said motion transmission component 10 is forced in the direction of the lower part 21, of the main body 9 of the said chain link element 8, by a spring 26 so that the blades 2 are in the closed position by means of the pin 7 which, being pushed downwards, is positioned in the lower part of the rotation guide 6 and forces the support element for the slats 3 to stay in the closed position together with the slats 2.
  • the kinematic chain composed of said chain link elements
  • a motion activation component 27 consisting of a hollow body 28 in which a thrust element 29, whose elongated body 30 protrudes from the lower part 31 of said hollow body 28, is free to slide, and said thrust element 29 is equipped, in its upper part 32, with a piston 33 adapted to push the motion transmission components 10 located in the chain link elements 8 hooked above said activation element 27, thanks to the through hole 35 located in the upper part 34 of the hollow body 28 of the motion activation component 27 which allows the piston 33 to come into contact with the lower face 20 of the elongated body 11 of the motion transmission component 10 contained in the chain link element 8 connected above the motion activation component 27.
  • a second possible embodiment provides a system equal to the first embodiment where the pin 4 is an indipendent element that can be assembled to the shaped body 5 of the support element for the slats 3, being said element for the slats 3 equipped with a housing 38 suitable to contain and grip the said rotation pin 4, which can be coupled by interlocking to the said housing 38 so as to be able to be turned in both directions with respect to the faces 36 and 37 of the shaped body 5, on both of which said rotation guides 6 are present

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

A shutter with adjustable slats is described characterized by the presence of a rotation system of the slats composed of chain link elements containing inside them, components for transmission of the motion equipped with sliding pins inside suitably shaped guides belonging to support elements of the slats.

Description

Description of the invention having title:
"ROLLING SHUTTER WITH ADJUSTABLE SLATS"
TECHNICAL FIELD
The present invention relates to the type of roller shutter with adjustable slats for regulating the light and air entering from windows and French door.
BACKGROUND ART
Roller shutters of the type installed sliding on lateral guides and rolling up with respect to a winding roller operated manually or by motorization are well known, in which the movement for the orientation of the slats takes place with a rotary movement of said slats, activated by a mechanical device, kinematically connected to the motion source, composed of chain link elements.
These solutions are descibed in multiple patents including patent filing no.PCT / EB2015 / 074131 in which a shutter of the type in question is described where the motion of the shutter and the rotary motion of the slats is guaranteed by three different types of components including a support for the slats, a chain link component equipped with a pin sliding in a guide belonging to the said support for the slats and a third component with metal rods connected to each other suitable to form a metal chain connected to the other components in such a way as to slide the supports of the slats which rotate thanks to the guide and pins sliding in it.
A second solution is described in the European patent EP3205809 which is very similar to the previous one patent, but whose rotary movement of the slats is guaranteed by rack elements kinematically connected to toothed wheels present on the supporting components of the slats, all activated by a special motorized wheel suitable to activate the kinematic chain.
Both of the said inventions have a first disadvantage deriving from the fact that to transmit the rotary motion to the slats they make use of systems with a number of components such as to compromise both the simplicity of production and the cost, due by the fact that for the solution described in the first cited patent, ten components are provided connected to the ends of the slats, of which six are different from each other, and the solution described in the second cited patent provides eight components for each slats.
Therefore the solutions described in said patents require different components depending on at wich end of the slats they are mounted.
This factor causes an increase in terms of production costs, especially in the case of molding of plastic materials.
A second disadvantage of the said inventions, is the excessive weight of the roller shutter: the first patent has a very heavy side metal chain that compromise the its cost of transport and also a difficult handling during installation. The same applies to the second patent cited, which provides for a series of particularly bulky gears for lifting the shutter.
The third disadvantage of the said inventions is the excessive size of the kinematic chain, which requires particularly bulky sliding guides in terms of space occupied inside the walls where the shutters are installed.
The purpose of the present invention is to introduce an improvement to the state of the art in order to eliminate said disadvantages DISCLOSURE OF INVENTION
The invention, as specified in the claims, solves these disadvantages because the invention provides a new kinematic chain.
According to the invention, the kinematic chain consists, of a series of chain link elements, motion transmission elements, support element for the slats, and of activation components of the kinematic chain.
BRIEF DESCRIPTION OF DRAWING The present invention will be better described with the aid of the drawings which represent only two of the possible embodiments:
- Figure 1 is a detailed axonometric view of the shutter in position with the slats open with one side without a sliding guide;
- Figure 2 is a detailed sectional view of the kinematic chain composed of the chain link and shutter elements in position with the slats closed;
- Figure 3 is a detailed sectional view of the kinematic chain made up of the chain link and shutter elements in position with the slats open;
Figure 4 is an axonometric view of the chain link element;
Figure 5 is an axonometric view of the motion transmission element;
Figure 6 is an axonometric view of the activation component of the kinematic chain;
- Figure 7 is an axonometric view of the support element for the slats with the rotation pin in the left direction and according to the first embodiment;
- Figure 8 is an axonometric view of the support element for the slats with the rotation pin in the right direction and according to the first embodiment; Figure 9 is an axonometric view of the support element for the slats according to the second embodiment with the pin assembled in the right direction;
- Figure 10 is an axonometric view of the support element for the slats according to the second embodiment with the pin assembled in the left direction;
- Figure 11 is an axonometric view of the pin of the support element for the slats according to the second embodiment;
- figure 12 is an axonometric view of the shaped body of the element supporting the slats according to the second embodiment;
- Figure 13 is a right view of the shaped body of the support element of the slats according to the second embodiment;
- Figure 14 is a left view of the shaped body of the supporting element of the slats according to the second embodiment.
With reference to the drawings and according to a first possible embodiment, a roller shutter of the type with slats, is indicated with 1.
Said shutter 1 is equipped with slats 2, with a support element for the slats 3 equipped with a rotation pin 4 being said support element for the slats 3 composed of a shaped body 5 for interlocking coupling with the slats 2. The support element for the slats 3 is equipped with a rotation guide 6 in which slides a pin 7 belonging to the chain link elements 8, which allow the angular displacement of the support elements for the slats 3 and consequently the angular displacement of the slats 2.
The chain link elements 8 are connected to each other to form a continuous succession of chain link elements held in axis sliding inside two sliding guides 39.
The chain link element 8 is composed of a main body 9 inside which a motion transmission component 10 can slide, composed of an elongated body 11 having a through slot 12 crossed by the rotation pin 4 of the support for the slats 3.
The main body 9 of the chain link element 8 is provided, on both faces 13 and 14, parallel to the ends of the slats 2, with a through hole 17 suitable for housing the rotation pin 4 of the support element for the slats 3, which in this way can be positioned inside the through slot 12 of the motion transmission component 10 whose elongated body 11 is equipped in its upper part 18 with a thrust piston 19 suitable to press on the lower face 20 of the elongated body 11 of the motion transmission component 10 contained in the chain link element 8 connected at the top, thanks to the opening 22 located in the lower part 21 and to the through hole 45 placed in the upper part 44 of the main body 9 of the chain link element 8 which allow the passage of the thrust piston 19 of the elongated body 11 of the said motion transmission component 10.
The motion transmission component 10 is equipped on both faces 41 and 42, of the elongated body 11, parallel to the ends of the slats, with holes 15 and 16 suitable to contain the pin 7 facing towards the said support element for the slats 3, so as to allow said pin 7 to slide inside said rotation guide 6 of the support element for the slats 3, thanks to the presence of through slots 24 and 25, present on both faces 13 and 14, parallel at the ends of the slats 2, of the main body 9 of the said chain link element 8, which allow the pin 7 to slide up and down and to position itself in said rotation guide 6.
The said motion transmission component 10 is forced in the direction of the lower part 21, of the main body 9 of the said chain link element 8, by a spring 26 so that the blades 2 are in the closed position by means of the pin 7 which, being pushed downwards, is positioned in the lower part of the rotation guide 6 and forces the support element for the slats 3 to stay in the closed position together with the slats 2.
The kinematic chain composed of said chain link elements
8 has, as a first element, a motion activation component 27 consisting of a hollow body 28 in which a thrust element 29, whose elongated body 30 protrudes from the lower part 31 of said hollow body 28, is free to slide, and said thrust element 29 is equipped, in its upper part 32, with a piston 33 adapted to push the motion transmission components 10 located in the chain link elements 8 hooked above said activation element 27, thanks to the through hole 35 located in the upper part 34 of the hollow body 28 of the motion activation component 27 which allows the piston 33 to come into contact with the lower face 20 of the elongated body 11 of the motion transmission component 10 contained in the chain link element 8 connected above the motion activation component 27.
When the shutter is not completely lowered, all the motion transmission components 10 are subject to the elastic force of the spring and therefore all the slats are in the closed position.
When the shutter closes and the elongated body 30 of the thrust component 29 will be pushed onto the threshold 40, the piston 33 will push on the first motion transmission component 10 contained in the chain link element 8 connected above the activation element 27 and consequently the ascent motion will be transmitted in succession to all the other motion transmission elements located above, allowing the pegs 7 , in ascent, to position themselves in the upper part of the rotation guide 6 and therefore to rotate in opening the support elements for the slats 3 and consequently the same slats
2.
In this way, a new shutter with adjustable slats is created with simplified components and fewer than the state of the art.
A second possible embodiment provides a system equal to the first embodiment where the pin 4 is an indipendent element that can be assembled to the shaped body 5 of the support element for the slats 3, being said element for the slats 3 equipped with a housing 38 suitable to contain and grip the said rotation pin 4, which can be coupled by interlocking to the said housing 38 so as to be able to be turned in both directions with respect to the faces 36 and 37 of the shaped body 5, on both of which said rotation guides 6 are present
In this way, a new shutter with adjustable slats is created with components that allow savings in terms of production thanks to the possibility of producing identical components regardless of the direction of assembly and installation.

Claims

1. Slat type roller shutter (1), consisting of a series of slats
(2), a support element for the slats
(3) equipped with a rotation pin
(4) being said support element for the slats (3) composed of a shaped body
(5) for interlocking coupling with the slats and being said support element for the slats (3) equipped with a rotation guide
(6) suitable to contain, sliding inside a peg
(7) belonging to the chain link elements (8) suitable to allow the angular displacement of the support elements for the slats (3) and consequently the angular displacement of the slats (2), being said chain link elements (8) mutually connected to form a continuous succession of chain link elements kept in axis sliding inside two sliding guides (39), CHARACTERIZED BY THE FACT THAT: said chain link element
(8) is composed of a main body
(9) suitable to contain inside a motion transmission component (10), being said motion transmission component
(10) composed of a elongated body (11) having a through slot (12) suitable to be crossed by said rotation pin (4) of said support element for the slats (3), being said main body (9) of said chain link element (8) provided, on both faces (13,14) parallel to the ends of the slats (2), with a through hole (17) suitable to house the said rotation pin (4) of the said support element for the slats (3 ), being said elongated body (11) of said motion transmission component (10) equipped in the upper part (18) with a thrust piston (19) adapted to press on the lower face (20) of the elongated body (11) of the motion transmission component (10) contained in the chain link element (8) being connected, being said main body (9), of said chain link element (8), equipped with an opening (22) in its lower part (21) adapted to allow the passage of said thrust piston (19) of said elongated body (11) of said motion transmission component (10), being said main body (9) of said chain link element (8) equipped on its upper part (44), with a through hole (45) suitable to allow the passage of said thrust piston (19) of said elongated body (11) of said motion transmission component (10), and being said motion transmission component (10) equipped, on both faces (41,42) parallel to the ends of the slats, with holes (15, 16) suitable to contain said peg (7) facing on site towards said support element for the slats (3), being said peg (7) suitable to slide inside said rotation guide (6) of said support element for the slats (3), being said main body (9) of said chain link element (8) equipped, on both faces (13,14) parallel to the ends of the slats (2), with through slots (24,25) suitable to contain, sliding, said peg (7) of said motion transmission component (10), and being said chain link component (8) equipped with spring (26) suitable to push said motion transmission component (10) in the direction of the lower part of said main body (9) of said chain link element (8) and, consequently, to keep the slats (2) closed by means of said support element (3) held in closed position by means of said peg (7 ) of said motion transmission component (10), being said motion transmission elements (10) pushed upwards by means of a motion activation component (27) located at the beginning of the kinematic chain formed by the link elements of chain (8), and being said activation component provided with a hollow body (28), connected to the upper chain- link elements (8), inside which a sliding thrust element (29) is provided equipped with an elongated body (30) protruding from the lower part (31) of said hollow body (28) of said activation component (27), and said elongated body (30) of said thrust component (29), suitable to rest on the threshold (40) of the opening, and being said elongated body (30) of the said thrust component (29) equipped in its upper part (32) with piston (33) adapted to push the motion transmission components (10) placed in the chain link elements (8) hooked above said hollow body (28 ) of said activation element (27), being said hollow body (28) of said activation component (27) equipped on its upper part (34) with a through hole (35) suitable to allow the passage of said piston (33 ) of said thrust component (29).
2. Slat type roller shutter (1) according to claim 1 CHARACTERIZED BY THE FACT THAT:
The said support element for the slats (3) is composed of said shaped body (5) having said rotation guides (6) on both faces (36,37) parallel to the ends of the slats (2), being said support element for the slats (3) equipped on both faces (36,37) parallel to the ends of the slats (2), with housing (38) suitable to contain and hold said rotation pin (4), being said rotation pin suitable to be interlocked to the said housing (38), of the shaped body (5) of the said support element for the slats (3), in a position facing in the direction of the chain link elements (8).
EP21709133.9A 2020-01-27 2021-01-21 Rolling shutter with adjustable slats Active EP4097326B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102020000001537A IT202000001537A1 (en) 2020-01-27 2020-01-27 ROLLING SHUTTER WITH ADJUSTABLE SLATS
PCT/IT2021/050019 WO2021152644A1 (en) 2020-01-27 2021-01-21 Rolling shutter with adjustable slats

Publications (3)

Publication Number Publication Date
EP4097326A1 true EP4097326A1 (en) 2022-12-07
EP4097326B1 EP4097326B1 (en) 2024-03-13
EP4097326C0 EP4097326C0 (en) 2024-03-13

Family

ID=70480421

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21709133.9A Active EP4097326B1 (en) 2020-01-27 2021-01-21 Rolling shutter with adjustable slats

Country Status (3)

Country Link
EP (1) EP4097326B1 (en)
IT (1) IT202000001537A1 (en)
WO (1) WO2021152644A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR102013029760A2 (en) 2013-11-19 2015-09-08 Joel Ligiéro Vargas Júnior vehicle and system for the separation and recovery of hydrocarbon in hydrocarbon contaminated water
EP3221544B1 (en) * 2014-11-21 2018-07-25 Teknalsystem S.r.l. Roller blinds with adjustable slats installed on standard guides in situ
EP3205809A1 (en) 2016-02-15 2017-08-16 Luigi Centrone Roll-up shutter with rotatable slats

Also Published As

Publication number Publication date
WO2021152644A1 (en) 2021-08-05
IT202000001537A1 (en) 2020-04-27
EP4097326B1 (en) 2024-03-13
EP4097326C0 (en) 2024-03-13

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