EP2722475B1 - Volet roulant à lamelles inclinables - Google Patents

Volet roulant à lamelles inclinables Download PDF

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Publication number
EP2722475B1
EP2722475B1 EP12189350.7A EP12189350A EP2722475B1 EP 2722475 B1 EP2722475 B1 EP 2722475B1 EP 12189350 A EP12189350 A EP 12189350A EP 2722475 B1 EP2722475 B1 EP 2722475B1
Authority
EP
European Patent Office
Prior art keywords
slats
slat
plug
tilting
pin
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.)
Active
Application number
EP12189350.7A
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German (de)
English (en)
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EP2722475A1 (fr
Inventor
Giovanni Mancuso
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.)
Teknalsystem Srl
Original Assignee
Teknalsystem Srl
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 Teknalsystem Srl filed Critical Teknalsystem Srl
Priority to EP12189350.7A priority Critical patent/EP2722475B1/fr
Priority to PT121893507T priority patent/PT2722475E/pt
Priority to ES12189350.7T priority patent/ES2547150T3/es
Publication of EP2722475A1 publication Critical patent/EP2722475A1/fr
Application granted granted Critical
Publication of EP2722475B1 publication Critical patent/EP2722475B1/fr
Priority to CY20151100809T priority patent/CY1116946T1/el
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E06B9/24—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

Definitions

  • the present invention can be employed in the industrial sector which produces door and window frames, roller blinds and roller shutters for use in homes or more generally in the commercial and industrial sectors.
  • the most common characteristic of roller shutters and the source of their problems has been the way that the slats are tilted.
  • the slats have been oriented by mechanical devices with mechanisms which are connected to sources of power other than the motor used to wind the shutter curtain.
  • the first function, raising, is performed by a pair of hooking elements which cooperate with the hooking elements on the slats and which connect the individual slats to each other vertically when they move in the vertical direction during raising and lowering of the shutter curtain.
  • the second function, rotation is performed by a flat element fixed to the slats and positioned at both ends of the slats and where this flat element has an axis of rotation aligned with the longitudinal axis of the slats.
  • This flat element is linked to a rotor whose axis is ideally aligned with the axis of rotation of the slats and which is inserted in a fixed support fitted with spacers at whose ends the rotors are positioned with a fixed and ideally constant pitch in relation to each other.
  • This rotor is fitted with an angled arm which is mechanically connected to a mechanical device for moving all the rotors thereby simultaneously tilting all the slats to the same angle.
  • a critical factor is to guarantee that all the weight of the shutter curtain is, ideally, supported by the slats and that in order to do this all the slats should close perfectly with all the slats engaging with each other.
  • roller shutter described in this patent is characterised in that the tilting movement of the slats does not require any moving mechanism but rather to open a slat it employs the weight of the slats above that slat alone.
  • the first limitation concerns the fact that the slats do not tilt simultaneously but only one at a time in succession starting with the lower slats and working a slat at a time towards the upper slats. This solution therefore gives priority to the entry of light and air at the lower part of the shutter curtain thus going against the consolidated practice which gives priority to permitting the greater entry of light at the top.
  • a further negative aspect concerns the fact that the maximum opening angle of the slats is very limited being restricted to approximately 45°.
  • the entire weight of the shutter curtain has to be supported by the extruded aluminium stop strip on the last upper slat and in particular by the two small projections. It is clear that these projections have a limited capacity to resist shear stresses and that this shutter curtain cannot therefore be used on medium- to large-size roller shutters.
  • the present invention provides a roller shutter with tilting slats which makes it possible to eliminate or at least reduce the drawbacks described above.
  • the present invention also proposes a roller shutter which is simple to manufacture, has a small number of components and is therefore cost-effective to produce.
  • the roller shutter with tilting slats comprises a fixed supporting frame comprising two guide channels shaped to enable the vertical sliding of a roller curtain itself comprising a plurality of slats which can be tilted simultaneously by a mechanism operated by the roller tube.
  • the roller tube is attached to the masonry structure above the opening where the roller shutter is inserted and is connected by a drive mechanism to a source of rotary power which rotates the roller and thereby enables winding and unwinding of the roller curtain on the roller tube.
  • the pin is fixed to the plug inserted in the ends of the slats and on the side opposite to the plug has a suitably shaped seat which is solidly attached to an arm which has a circular element which acts on another element, preferably metallic, which forms a link of the mechanism for tilting the slats.
  • This mechanism consisting of links hinged to each other, is mechanically connected permanently to the rotor tube.
  • the mechanism When the shutter curtain is fully lowered, when the rotor rotates in the curtain unwinding direction, the mechanism is moved and in turn transmits the motion to the arms and from these to the pins fixed to the plugs fixed to the slats which then begin to rotate to the open position rotating to a maximum angle of over 90°.
  • the slats rotate in the opposite direction to previously until they are completely closed.
  • the number 20 refers generally to a roller shutter and in particular to a roller shutter with tilting slats.
  • the roller shutter 20 comprises a fixed frame 21 comprising two guide channels 23 each having sliding guide elements for the shutter curtain.
  • Figure 5 shows the shutter curtain consisting of slats 24 with two closing elements 25 inserted into the ends.
  • each closing element 25 has, on the slat side, projecting elements 26 which are inserted into corresponding cavities 27 of the slat 24 (in Figure 7 ) and a support seat 28 of the slat defined on the perimeter by raised surfaces 29 raised with respect to the support seat and having a geometry which matches the external geometry of the slat so as to create an effective link between the closing element and the slat which is without any play.
  • each plug 25 On the side opposite to the slat, each plug 25 has a first pin 30 around which the plug rotates, and a second pin 31 which acts together with the first pin to transmit the rotary motion of the moving mechanism to the plug and to the slat joined to the plug.
  • Figures 5 , 8 and 11 shows that the structure of the shutter curtain has, alongside the slat plugs, support components 35 which have a passing hole 36 in which the pin 30 of the slat plug 25 is inserted and a passing semi-circular slot 37 which is wide enough to permit the complete rotation of the second pin 31 of the slat plug 25 in the tilting movement of the plug and its slat.
  • Figure 8a shows that the support components 35 have elements, located to the side of the slat plug 25, designed to protect against the ingress of light and comprising two projections 38 and 39 which, when the slats are closed, stop against the corresponding projections 33 and 34 present on the slat plug 25 and a semi-circular projection 40 ( Figure 8 ) which is inserted in the circular groove 32 of the slat plug.
  • the support components 35 are connected to each other with hinged links thereby comprising a true and proper chain, each present on the opposing ends of the slats, so as to connect all the slats to each other and thereby create the shutter curtain structure.
  • the hinged connections between the various components comprise a pin 41 located on the upper part of the support 35 which is inserted in a hole 42 located on the lower part of the support.
  • a screw 43 inserted in the hole in the pin 41 prevents the various supports from detaching from each other.
  • Each individual structural component of the shutter curtain is completed by an arm 44, shown in Figure 9 , which is inserted on the two pins 30 and 31 of the slat plug 25 from the opposite side of the slat and after insertion of the slat plug in the chain support 35.
  • the arm 44 has a recess 45 designed and suitably shaped to provide a seat for the end part of the pin 30 of the slat plug 25 which has a shape complementary to the recess.
  • the second pin 31 of the slat plug 25 is seated in the circular seat 46 located on the same side as the recess 45 and which acts together with the rotation pin 31 to transmit rotary motion to the slat plug 25 and to the slat 24 to which it is connected.
  • the moving mechanism 48 ( Figures 5 and 10 ) comprises links 49, preferably metallic, connected to each other by hinged elements.
  • the individual links 49 are connected to each other by inserting the pin 47 of the arms 44. This insertion is made possible by the presence of holes 50 on the ends of each link 49 and the links are then fastened by a screw 51 which prevents the individual links from detaching from each other and from the pin 47 in turn which is fitted with a metallic bush 52 provided in order to prevent any wear of the pin 47 resulting from rotation of the metallic links 49.
  • the links 49 of the mechanism and the special terminal links 49' are made from metallic materials and have been designed and calculated to alone support the entire weight of the entire shutter curtain and to withstand any mechanical stresses which may occur during the various movements of the shutter curtain.
  • the special terminal links (not shown), preferably metallic, have shapes and link elements which are able to transform the rotary motion of the roller tube into a traversing motion of the moving mechanism 48 which in turn transmits the movement to all the arms 44 and simultaneously rotates all the slat plugs 25 and related slats 24 of the shutter curtain.
  • the shutter curtain comprises slats 24, slat plugs 25, support components 35 forming the chain, arms 44 and the moving mechanism 48 so that the shutter curtain can be rolled and unrolled on the roller tube (not shown) which in turn is connected to any energy source such as an electric motor (not shown) or a mechanical device such as drive pulleys and crank mechanisms (not shown) widely available on the market.
  • any energy source such as an electric motor (not shown) or a mechanical device such as drive pulleys and crank mechanisms (not shown) widely available on the market.
  • the electric motor can be controlled from the standard pushbutton panel and also from electronic remote controls, infra-red remote controls or radio controls. All these devices can control the raising and lowering of the shutter curtain and the angle of the slats.
  • the tilting function of the shutter can only be operated when the shutter curtain is completely lowered and the slats 24 are closed. In this situation a rotation of the roller in the unwinding direction will start the mechanism 48 mechanically connected to the roller which simultaneously moves all the arms 44, the slat plugs 25 fixed to these and lastly, the slats 24 with slat plugs 25 fixed to their ends. By rotating the roller it is possible to block the slats at any intermediate opening angle up to a maximum angle of approximately 120°.
  • the present invention also introduces devices designed to provide a greater degree of security and protection against intrusion in comparison with products considered to be state-of-the-art.
  • This locking system comprises a screw 53 ( Figure 11 ) inserted in the hole present in the pin 30 of the slat plug 25.
  • the screw 53 to be inserted in the hole 54 provided in each slat 24 is of the self-tapping type. When it is screwed in it taps the thread of the hole 54, thereby fixing the slat 24 to the slat plug 25 and creating a fastening very similar to an interlocking joint. This will reduce any deformation created by attempts at intrusion when the curtain is closed and any deformation caused by the weight of the slats when they are in the open position and in particular in the horizontal position.
  • the present invention also provides for the use of an end profile 55 ( Figure 11 ) needed to actuate the locking device which prevents the slats 24 from being forcibly rotated into the open position by the wind or other factors, when the shutter curtain is fully lowered and the slats are in the closed position.
  • the end profile 55 has a "U" shape and inside can contain the last lower slat 56 of the shutter curtain which is non-tilting and has a different shape from the tilting slats 24.
  • the two ends of the end profile 55 have a plug 57 whose function is to close and support the profile.
  • the plug 57 also has an opening which enables vertical sliding with respect to the additional plug 38 together with the end profile 55 which runs vertically with respect to the last lower non-tilting slat 56.
  • the lower non-tilting slat 56 is inserted in the end profile 55 for a minimum length which is not greater than approximately 10 mm.
  • the first upper tilting slat cannot rotate to the open position because there is a lock element 39 fixed inside the guide channel 23 in a position corresponding to a projecting element 60 locked in position by a screw 61 at the end of the pin 47 of the arm 44 on which the first upper link 49 of the moving mechanism 48 hinges.
  • the system for locking the first upper tilting slat 24 can also be used for all the tilting slats so as to increase the degree of resistance of the shutter curtain to any attempts at intrusion.

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

Claims (9)

  1. Volet roulant (20) à lattes inclinables, comprenant un cadre fixe (21) équipé d'éléments de guidage coulissants destinés au rideau de volet comprenant des lattes (24) dotés d'embouts de fermeture (25) insérés dans les extrémités, et le cadre fixe (21) étant équipé de deux canaux de guidage (23) dans lesquels les composants (48) d'un mécanisme de déplacement se déplacent dans la direction verticale et oblique des lattes (24), le mécanisme étant caractérisé en ce qu'il comprend des maillons (49) reliés entre eux par des éléments de charnière, les maillons (49) agissant sur le mécanisme pour déplacer automatiquement et simultanément chaque embout (25) dans les directions verticale et oblique des lattes (24), et comportant un élément de blocage (39) fixé à l'intérieur du canal de guidage (23) qui empêche les lattes (24) de tourner dans la position ouverte, et l'élément de blocage (39) étant fixé à l'intérieur du canal de guidage (23) dans une position correspondant à un élément saillant (60) bloqué par une vis (61) à l'extrémité d'une tige (47) d'un bras (44) sur lequel le premier maillon supérieur (49) du mécanisme de déplacement (48) est articulé, et l'élément de blocage (39) empêchant la rotation des lattes (24) grâce à un profilé d'extrémité (55) et une latte spéciale (56), et le profilé d'extrémité (55) ayant la forme d'un « U » dans lequel la dernière latte inférieure non-inclinable (56) du rideau de volet est insérée et également grâce aux deux extrémités du profilé (55) qui sont pourvues d'un embout (57) comportant un orifice qui permet le coulissement vertical par rapport à un embout supplémentaire (38) conjointement avec le profilé d'extrémité (55) qui se déplace verticalement par rapport à la dernière latte inférieure non-inclinable (56), et qui empêche la rotation de la dernière latte inférieure inclinable et toutes les lattes restantes reliées mécaniquement au mécanisme (48) lorsque le profilé (56) est inséré dans la zone supérieure du profilé (55) et permet la rotation de toutes les lattes lorsque le profilé (56) atteint la partie inférieure du profilé (55), ce qui permet à l'élément saillant (60) de passer au-dessus de l'élément de blocage (39).
  2. Volet roulant (20) à lattes inclinables selon la revendication précédente, caractérisé en ce que chaque élément de fermeture (25) comporte des éléments saillants (26) qui sont insérés dans des cavités correspondantes (27) de la latte (24) et un siège de support {28) de la latte défini sur le périmètre par des surface (29) surélevées par rapport au siège de support et ayant une géométrie qui correspond à la géométrie extérieure de la latte, et également caractérisé en ce que, du côté opposé à la latte, chaque embout (25) comporte une première tige (30) autour de laquelle tourne l'embout, et une seconde tige (31) qui coopère avec la première tige pour transmettre le mouvement de rotation du mécanisme de déplacement à l'embout et à la latte raccordée à l'embout ; à proximité du même côté sont disposées une rainure circulaire (32) et deux saillies (33, 34) qui, lorsque les lattes sont fermées, ont pour fonction d'empêcher la lumière d'entrer.
  3. Volet roulant (20) à lattes inclinables selon l'une quelconque des revendications précédentes, caractérisé en ce que la structure du rideau de volet comporte, à côté des embouts de latte, des éléments de support (35) qui possèdent un trou de passage (36) dans lequel la tige (30) de l'embout de latte (25) est insérée, et une fente de passage semi-circulaire (37) qui est suffisamment large pour permettre la rotation complète de la seconde tige (31) de l'embout de latte (25) dans le mouvement d'orientation de l'embout et sa latte.
  4. Volet roulant (20) à lattes inclinables selon l'une quelconque des revendications précédentes, caractérisé en ce que les éléments de support (35) comportent, sur le côté de l'embout de latte (25), des éléments assurant une protection contre l'entrée de lumière et comprenant deux saillies (38, 39) qui, lorsque les lattes sont fermées, butent contre les saillies correspondantes (33, 34) présentes sur l'embout de latte (25) et une saillie semi-circulaire (40) qui est insérée dans la rainure circulaire (32) de l'embout de latte, et les éléments de support (35) étant reliés les uns aux autres avec des maillons articulés comprenant ainsi une authentique chaîne, présents chacun sur les extrémités opposées des lattes, de façon à relier toutes les lattes les unes aux autres et à créer ainsi la structure de rideau de volet ; les maillons articulés entre les différents éléments comprennent une tige (41) située sur la partie supérieure du support (35), qui est insérée dans un trou (42) situé sur la partie inférieure du support, une vis (43) dans la trou de la tige (41) empêchant les différents supports de se détacher les uns des autres.
  5. Volet roulant (20) à lattes inclinables selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte un bras (44) qui est inséré sur les deux tiges (30, 31) de l'embout de latte (25) à partir du côté opposé de la latte et après insertion de l'embout de latte dans le support de chaîne (35), et le bras (44) comportant un évidement (45) conçu et convenablement conformé pour produire un siège pour la partie d'extrémité de la tige (30) de l'embout de latte (25) qui a une forme complémentaire de celle de l'évidement, la deuxième tige (31) de l'embout de latte (25) reposant dans le siège circulaire (46) situé du même côté que l'évidement (45) et qui agit conjointement avec l'axe de rotation (30) pour transmettre un mouvement de rotation à l'embout de latte (25) et à la latte (24) à laquelle ledit embout est relié ; à l'autre extrémité et du côté opposé du bras (44) par rapport à l'évidement conformé (45) se trouve une tige percée (47) qui est insérée dans un trou correspondant d'un composant du mécanisme de déplacement (48) comprenant des maillons (49), de préférence métalliques, reliés entre eux par des éléments articulés ; les maillons individuels (49) sont reliés les uns aux autres par insertion de la tige (47) du bras (44) dans les trous (50) aux extrémités de chaque maillon (49), puis par fixation des maillons avec une vis (51) ; la tige (47) possède un insert de douille métallique (52) destiné à empêcher l'usure de la tige (47) résultant de la rotation des maillons métalliques (49), et le mécanisme étant relié mécaniquement au tube d'enroulement et y étant fixé par des maillons terminaux spéciaux (49') qui comportent des éléments fixés au tube d'enroulement.
  6. Volet roulant (20) à lattes inclinables selon l'une quelconque des revendications précédentes, caractérisé en ce que les maillons (49, 49') du mécanisme ont une forme incurvée, c'est-à-dire qu'ils ont des formes et des éléments de liaison qui sont capables de transformer le mouvement de rotation du tube d'enroulement en un mouvement de déplacement du mécanisme de déplacement (48) qui transmet à son tour le mouvement à tous les bras (44) tout en faisant tourner tous les embouts de latte (25) et les lattes (24) associées du rideau de volet.
  7. Volet roulant (20) à lattes inclinables selon l'une quelconque des revendications précédentes, caractérisé en ce que le rideau de volet comprend des lattes (24), des embouts de latte (25), des éléments de support (35) formant la chaîne, des bras (44) et le mécanisme de déplacement (48), le rideau de volet pouvant être enroulé et déroulé sur le tube d'enroulement qui est à son tour relié à une source d'énergie telle qu'un moteur électrique ou un dispositif mécanique tel que des poulies d'entraînement connues, et un maillon étant disposé entre les lattes (24) et les embouts de latte (25) associés comprenant une vis (53) insérée dans le trou de la tige (30) de l'embout de latte (24).
  8. Volet roulant (20) à lattes inclinables selon l'une quelconque des revendications précédentes, caractérisé en ce que l'utilisation d'un profil d'extrémité (55) est nécessaire, conjointement à d'autres composants, afin d'empêcher les lattes (24) de tourner dans la position ouverte lorsque le rideau de volet est complètement abaissé et aux lattes dans la position fermée, et le profil d'extrémité (55) ayant la forme d'un « U », et pouvant contenir à l'intérieur la dernière latte inférieure (56) qui est non-inclinable et qui a une forme différente de celle des lattes inclinables (24), et les deux extrémités du profilé d'extrémité (55) étant pourvues d'un embout (57) qui comporte un orifice qui lui permet de se déplacer verticalement par rapport à l'embout supplémentaire (38) conjointement au profilé d'extrémité (55) qui se déplace verticalement par rapport à la dernière latte inférieure non-inclinaison (56), et en ce que toutes les lattes inclinables (24) sont fixées aux bras (44) qui sont fixés à leur tour au mécanisme de déplacement (48) de sorte que, lorsque l'une des lattes est empêchée de tourner, tous les autres lattes sont également empêchées de tourner.
  9. Volet roulant (20) à lattes inclinables selon l'une quelconque des revendications précédentes, caractérisé en ce que le système de blocage de la première latte supérieure inclinable (24) peut également être utilisé pour toutes les lattes inclinables de manière à augmenter le niveau de résistance du rideau de volet vis-à-vis de toute tentative d'intrusion.
EP12189350.7A 2012-10-19 2012-10-19 Volet roulant à lamelles inclinables Active EP2722475B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP12189350.7A EP2722475B1 (fr) 2012-10-19 2012-10-19 Volet roulant à lamelles inclinables
PT121893507T PT2722475E (pt) 2012-10-19 2012-10-19 Porta de enrolar com lâminas basculantes
ES12189350.7T ES2547150T3 (es) 2012-10-19 2012-10-19 Persiana enrollable con tablillas basculantes
CY20151100809T CY1116946T1 (el) 2012-10-19 2015-09-16 Διαφραγμα ρολου με περσιδες που μπορουν να γειρουν

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12189350.7A EP2722475B1 (fr) 2012-10-19 2012-10-19 Volet roulant à lamelles inclinables

Publications (2)

Publication Number Publication Date
EP2722475A1 EP2722475A1 (fr) 2014-04-23
EP2722475B1 true EP2722475B1 (fr) 2015-07-01

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ID=47323861

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12189350.7A Active EP2722475B1 (fr) 2012-10-19 2012-10-19 Volet roulant à lamelles inclinables

Country Status (4)

Country Link
EP (1) EP2722475B1 (fr)
CY (1) CY1116946T1 (fr)
ES (1) ES2547150T3 (fr)
PT (1) PT2722475E (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6345573B2 (ja) * 2014-11-10 2018-06-20 アイシン精機株式会社 シャッター装置
WO2016078850A1 (fr) 2014-11-21 2016-05-26 Teknalsystem S.R.L. Stores à lamelles ajustables installés sur des guides standard in situ
EP3205809A1 (fr) * 2016-02-15 2017-08-16 Luigi Centrone Volet roulant avec lames orientables
FR3053719B1 (fr) * 2016-07-11 2019-09-13 Zurfluh Feller Brise soleil orientable pour facade exterieure
WO2018154357A1 (fr) * 2017-02-24 2018-08-30 Crupi, Giuseppe Volet roulant à lames inclinables
IL256153A (en) * 2017-12-06 2018-01-31 Yadidya Asif Roller shutter with tilting slats
IT201900018392A1 (it) 2019-10-10 2021-04-10 Giovanni Mancuso Tapparella avvolgibile a lamelle orientabili provvista di mezzi semplificati per la rotazione angolare

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL109652A (en) 1994-05-15 1997-06-10 Yedidia Hagai Louvered movable window shutter
ITVR20020044A1 (it) 2002-04-24 2003-10-24 Teknalsystems S R L Persiana avvolgibile con lamelle automaticamente orientabili.
ITMT20090001A1 (it) 2009-01-19 2010-07-19 Nicola Benedetto Avvolgibile a stecche orientabili senza meccanismo di movimentazione, atto ad ottenere in modo contemporaneo sia la protezione che l'aerazione dei locali.

Also Published As

Publication number Publication date
EP2722475A1 (fr) 2014-04-23
PT2722475E (pt) 2015-10-14
ES2547150T3 (es) 2015-10-02
CY1116946T1 (el) 2017-04-05

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