EP3269896B1 - Blind with movable blades - Google Patents

Blind with movable blades Download PDF

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Publication number
EP3269896B1
EP3269896B1 EP17180425.5A EP17180425A EP3269896B1 EP 3269896 B1 EP3269896 B1 EP 3269896B1 EP 17180425 A EP17180425 A EP 17180425A EP 3269896 B1 EP3269896 B1 EP 3269896B1
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EP
European Patent Office
Prior art keywords
strand
blind
shaft
apron
ladder
Prior art date
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Active
Application number
EP17180425.5A
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German (de)
French (fr)
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EP3269896A1 (en
Inventor
Laurent Cachalou
Frédéric Meny
Sébastien Brogly
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Zurfluh Feller SAS
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Zurfluh Feller SAS
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Publication of EP3269896A1 publication Critical patent/EP3269896A1/en
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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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/08—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of a plurality of similar rigid parts, e.g. slabs, lamellae
    • E04F10/10—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of a plurality of similar rigid parts, e.g. slabs, lamellae collapsible or extensible; metallic Florentine blinds; awnings with movable parts such as louvres
    • 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
    • E06B9/40—Roller blinds
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • E06B9/44—Rollers therefor; Fastening roller blinds to rollers

Definitions

  • the invention relates to a blind with adjustable blades used to adjust the brightness inside a room of a building.
  • the invention is applicable both for venetian blinds arranged inside the buildings and for orientable sun breezes arranged outside buildings.
  • a venetian blind comprises an apron formed by a series of stackable blades and an upper rail inside which is housed a blade traction system.
  • the traction system comprises drawstrings or tow bands and corresponding winders.
  • the pull cords or ribbons each pass through the center of the blades and are attached at their ends to a load bar or to the last deck blade.
  • the blades stack one above the other and the awning opens.
  • Ladders are provided to orient the blades of the blind and thus adjust the brightness inside the room.
  • Each scale comprises two strands arranged on either side of the blades and links each arranged between two successive blades. By pulling on one or the other of the two strands, the blades of the blind are oriented in one direction or the other.
  • each blade is disposed in central part, that is to say near the median plane of the blade, to avoid interference with the cords or traction ribbons during the orientation of the blades . Otherwise, the strings or traction tapes would oppose the rotation of the blades, which could degrade the drawstrings or tapes and / or blades.
  • An adjustable sunshade differs from a Venetian blind in that it includes wind-resistant wings. Blade tips are provided at both ends of each blade. These blade tips are guided inside the slides. The axis of orientation of each blade being disposed in central part, the blades protrude on each side of the slides when they are oriented horizontally, that is to say to let the light. The installer is therefore forced to shift the slides relative to the frame of the opening so that the orientation of the blades is not hindered by the frame. This constraint makes the installation of orientable sun breezes more difficult.
  • a disadvantage of this device is that the traction system consisting of the two side ribbons must be sized relative to the heaviest deck of the range of blinds. The traction system is therefore oversized for most blinds in the range.
  • the invention intends to remedy more particularly by proposing a blind with adjustable blades, in which the traction system can be adapted according to the weight of the apron and in which the slides can be installed against the frame of the frame. the opening when the blind is intended to be installed outside.
  • the invention relates to a blind with adjustable blades comprising an apron formed by a series of steerable blades, a winding shaft of the deck, a traction system, for towing the apron blades from a rotation of the tree and at least one scale for adjusting the orientation of the blades, this scale comprising a first strand and a second strand arranged to be wrapped around the apron, the two strands being interconnected by links, between which are arranged the blades .
  • the traction system comprises the second run of each ladder, so that all the deck blades are pulled simultaneously during the rotation of the shaft.
  • the traction system comprises, for each scale, at least one ring, which is integral in rotation with the winding shaft and which is connected to the second strand of the scale.
  • the blind comprises, for each scale, a winding sleeve of the first strand, this sleeve being free in rotation around the shaft.
  • FR 1 166 398 discloses a blind according to the preamble of claim 1.
  • This blind is composed of a network of flat blades resting on the crosspieces f of a ladder.
  • the cross members f extend between two strands e.
  • Each of the strands e of the ladder is attached at a point m to a winding drum t.
  • the two strands e of the scale extend on either side of the drum t.
  • one of the strands e tends, while the other relaxes.
  • the blind is wrapped around the drum.
  • the rotation of the drum t can be obtained by the use of a halyard wound on the drum. Pulling the end of the halyard d, the drum is rotated t, which has the effect of first rotate the blades and then wind them.
  • each scale is used both to adjust the orientation of the blades and to pull the apron blades when opening the blind.
  • the absence of cords or traction ribbons passing through the center of the blades of the blind makes it possible to deport the axis of pivoting of the blades at one end thereof, that is to say close to one of the edges. longitudinal.
  • the Ventilating slides can be installed against the frame of the opening without disturbing the orientation of the blades.
  • the traction system can be adapted according to the weight of the deck by increasing or decreasing the number of scales.
  • the blind 2 is a sunshade orientable to be installed outside a building.
  • the blind 2 comprises an apron 8 formed by a series of adjustable blades 80 and a winding shaft 6 of the apron 8.
  • each blade 80 comprises two longitudinal edges B1 and B2, which define the long sides of the blade.
  • the shaft 6 is housed in the center of a box 4 intended to be installed in the upper part of an opening, such as a window.
  • the box 4 is placed above a frame 52 of the opening and defines a passage opening of the deck 8.
  • the shaft 6 is rotatable about a central axis X6, which is horizontal in the configuration of use of the awning.
  • the blind comprises a not shown actuator for driving the shaft 6 and a control device.
  • This actuator may be of the tubular type housed inside the hollow shaft 6.
  • the rotation of the shaft may be controlled by a manual system, comprising for example a winch and a crank.
  • the blind 2 comprises wind holding slides 20, specific to an external installation.
  • the slides 20 define a guide plane P20 for the apron 8.
  • the box 4 defines an internal volume V4 which is offset with respect to the guide plane P20.
  • the winding shaft 6 is thus also offset laterally with respect to the plane P20.
  • Blade tips 18 are pivotally mounted at both ends of each blade 80.
  • the blade tips 18 are guided within the wings 20 and are rotatably immobilized therein.
  • the pivot axis of each blade 80 is referenced X80 in the figures. This axis X80 is horizontal in the configuration of use of the blind 2.
  • the blade tips 18 are interconnected by a guide strip 22.
  • the blind 2 comprises two scales 10 to adjust the orientation of the blades 80, only one of these two scales 10 being visible in the figures.
  • Each scale 10 comprises a first strand 100, a second strand 102 and links 104 connecting the strands 100 and 102.
  • the strands 100 and 102 and the links 104 may be provided in the form of strings or ribbons.
  • the strands 100 and 102 extend on either side of the apron 8.
  • the links 104 are each arranged between two successive blades of the deck.
  • each blade 80 is disposed in a parallelogram having two opposite sides formed by links 104 and two other opposite sides formed by strands 100 and 102.
  • each link 104 is arranged to cooperate with a lower surface of a deck blade, bearing against this surface
  • the opening of the blind corresponds to the rise of the deck 8
  • the closing of the blind corresponds to the descent of the deck 8.
  • the assembly formed by the apron 8 and the two scales 10 is wound around the winding shaft 6 when the awning 2 is opened.
  • the strand 102 is arranged to be wrapped around the apron, that is to say on the outer face of the apron 8 during the opening of the blind, which is why we speak of a strand "outside", while the strand 100 is arranged to be wound on the inner face of the apron 8 during the opening of the blind, which is why we speak of a strand "inside”.
  • the outer face of the apron 8 is defined as the face of the apron 8 which is visible when the apron is wound around the shaft 6.
  • the inner strand 100 is disposed on the side of the edge B1 of the blades 80, while the outer strand 102 is disposed on the edge B2 side of the blades 80.
  • the blind 2 comprises a traction system of the blades 80 of the apron 8, configured to tow the blades 80 of the deck 8 from a rotation of the shaft 6.
  • This traction system comprises the outer strand 102 of each scale 10.
  • the outer strand 102 of the ladders 10 is thus pulled during the rotation of the shaft 6, that is to say a tensile force is applied to one end of the outer strand 102 when the shaft 6 rotates around the X6 axis.
  • Strand 102 is then energized.
  • the traction of the outer strand 102 of each scale 10 causes the winding of the ladders 10 around the shaft 6 and consequently the winding of the blades 80 each housed within a space defined between two successive links 104 of the 10.
  • the traction system also comprises, for each scale 10, two rings 14 integral in rotation with the shaft 6 and a connecting means 12 between one end of the strand 102 and the two rings 14.
  • this connecting means is a rod 12 on which is attached one end of the strand 102 and which is received in respective housings of the two rings 14.
  • the rings 14 are connected in rotation with the shaft 6 by screwing.
  • they are made integral in rotation with the shaft 6 by complementary shape between the outer surface of the shaft and the inner surface of the rings 14.
  • the traction system can be adapted according to the weight of the deck 8, by increasing or decreasing the number of scales 10, connecting means 12 and rings 14.
  • the blind 2 comprises, for each scale 10, a sleeve 16 for winding the first strand 100.
  • This sleeve 16 is free to rotate about the shaft 6.
  • the strand 100 is not energized when winding or unfolding apron.
  • the strand 100 simply follows the movement of the strand 102 because of the presence of the links 104 and wraps around the sleeve 16.
  • the strand 100 is thus connected to the shaft so that the rotation thereof does not cause not the traction of the strand 100. In other words, the strand 100 is not part of the traction system.
  • the sleeve 16 is interposed, along the axis 6, between the two rings 14.
  • the pivot axis X80 of the blades 80 is disposed near the edge B1 of the blades 80, that is to say the side of the inner strand 100 of the scales 10, so that the blades protrude, compared to the scenes , on the opposite side to the frame 52 of the opening.
  • the frame 52 thus does not form an obstacle to the orientation of the blades 80 horizontally.
  • the slides 20 can be installed directly against the frame 52 of the opening, which facilitates the work of the installer.
  • the shutter 2 is closed in the following manner.
  • the apron 8 is unwound by a rotation of the winding shaft 6.
  • an additional rotation of the winding shaft 6 in the same direction makes it possible to orient each of the blades 80 from a substantially vertical occultation position to a substantially horizontal through position.
  • the strand 100 finishes to unfold and then stretches. This situation thus makes it possible to orient the blades because the strand 102 continues to unfold.
  • the blades 80 are oriented naturally under the effect of gravity, as represented by the arrow F1 to the figure 3 .
  • the awning with adjustable blades 2 is a venetian blind intended to be installed inside a room. In this case, the side slides and blade tips are no longer needed. Similarly, the axis of orientation of the blades is not necessarily deported near a longitudinal edge of the blade.
  • the winding shaft 6 may be disposed near the plane of wings P20.
  • the guide ribbons 22 then become optional.
  • connection between the strand 102 and the shaft 6 is different.
  • a single ring 14 may be provided for each scale 10.
  • the strand 102 can be attached directly to the shaft 6 and each ring 14 can be integral with the shaft 6.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)

Description

L'invention concerne un store à lames orientables utilisé pour régler la luminosité à l'intérieur d'une pièce d'un bâtiment. L'invention est applicable autant pour les stores vénitiens disposés à l'intérieur des bâtiments que pour les brises soleil orientables disposés à l'extérieur des bâtiments.The invention relates to a blind with adjustable blades used to adjust the brightness inside a room of a building. The invention is applicable both for venetian blinds arranged inside the buildings and for orientable sun breezes arranged outside buildings.

Un store vénitien comprend un tablier formé par une série de lames empilables et un rail supérieur à l'intérieur duquel est logé un système de traction des lames. Le système de traction comprend des cordons ou des rubans de traction et des enrouleurs correspondants. Les cordons ou les rubans de traction traversent chacun le centre des lames et sont attachés à leur extrémité à une barre de charge ou à la dernière lame du tablier. Lorsque l'on tire sur les cordons ou les rubans de traction, les lames s'empilent les une au-dessus des autres et le store s'ouvre. Des échelles sont prévues pour orienter les lames du store et régler ainsi la luminosité à l'intérieur de la pièce. Chaque échelle comprend deux brins disposés de part et d'autre des lames et des liens disposés chacun entre deux lames successives. En tirant sur l'un ou l'autre des deux brins, on oriente les lames du store dans un sens ou dans l'autre.A venetian blind comprises an apron formed by a series of stackable blades and an upper rail inside which is housed a blade traction system. The traction system comprises drawstrings or tow bands and corresponding winders. The pull cords or ribbons each pass through the center of the blades and are attached at their ends to a load bar or to the last deck blade. When pulling drawstrings or tapes, the blades stack one above the other and the awning opens. Ladders are provided to orient the blades of the blind and thus adjust the brightness inside the room. Each scale comprises two strands arranged on either side of the blades and links each arranged between two successive blades. By pulling on one or the other of the two strands, the blades of the blind are oriented in one direction or the other.

L'axe d'orientation de chaque lame est disposé en partie centrale, c'est-à-dire à proximité du plan médian de la lame, pour éviter toute interférence avec les cordons ou les rubans de traction lors de l'orientation des lames. A défaut, les cordons ou les rubans de traction s'opposeraient à la rotation des lames, ce qui pourrait dégrader les cordons ou les rubans de traction et/ou les lames.The axis of orientation of each blade is disposed in central part, that is to say near the median plane of the blade, to avoid interference with the cords or traction ribbons during the orientation of the blades . Otherwise, the strings or traction tapes would oppose the rotation of the blades, which could degrade the drawstrings or tapes and / or blades.

Un brise-soleil orientable diffère d'un store Vénitien en ce qu'il comprend des coulisses de maintien au vent. Des embouts de lame sont prévus aux deux extrémités de chaque lame. Ces embouts de lames sont guidés à l'intérieur des coulisses. L'axe d'orientation de chaque lame étant disposé en partie centrale, les lames dépassent de chaque côté des coulisses lorsqu'elles sont orientées à l'horizontale, c'est-à-dire pour laisser passer la lumière. L'installateur est donc contraint de décaler les coulisses par rapport au dormant de l'ouverture pour que l'orientation des lames ne soit pas gênée par le dormant. Cette contrainte rend l'installation des brises soleil orientables plus difficile.An adjustable sunshade differs from a Venetian blind in that it includes wind-resistant wings. Blade tips are provided at both ends of each blade. These blade tips are guided inside the slides. The axis of orientation of each blade being disposed in central part, the blades protrude on each side of the slides when they are oriented horizontally, that is to say to let the light. The installer is therefore forced to shift the slides relative to the frame of the opening so that the orientation of the blades is not hindered by the frame. This constraint makes the installation of orientable sun breezes more difficult.

Par ailleurs, il est connu de US 2 987 120 un store vénitien ayant la particularité que le tablier est enroulé autour d'un arbre logé à l'intérieur d'une cavité. Les lames du tablier sont articulées à leurs deux extrémités avec deux rubans latéraux. Ces deux rubans latéraux sont guidés dans des coulisses et permettent de tracter les lames du tablier à partir d'une rotation de l'arbre. Deux autres rubans sont reliés à chacune des lames du tablier. Ces deux autres rubans permettent d'orienter les lames autour de leur axe à partir d'une rotation de l'arbre.Moreover, it is known to US 2,987,120 a venetian blind having the particularity that the apron is wrapped around a shaft housed inside a cavity. The apron blades are hinged at both ends with two lateral ribbons. These two lateral ribbons are guided in slides and allow to pull the apron blades from a rotation of the tree. Two other ribbons are connected to each of the apron blades. These two other ribbons allow to orient the blades around their axis from a rotation of the shaft.

Un inconvénient de ce dispositif est que le système de traction composé des deux rubans latéraux doit être dimensionné par rapport au tablier le plus lourd de la gamme de stores. Le système de traction est donc surdimensionné pour la plupart des stores de la gamme.A disadvantage of this device is that the traction system consisting of the two side ribbons must be sized relative to the heaviest deck of the range of blinds. The traction system is therefore oversized for most blinds in the range.

C'est à ces inconvénients qu'entend plus particulièrement remédier l'invention en proposant un store à lames orientables, dans lequel le système de traction peut être adapté en fonction du poids du tablier et dans lequel les coulisses peuvent être installées contre le dormant de l'ouverture lorsque le store est destiné à être installé à l'extérieur.It is these disadvantages that the invention intends to remedy more particularly by proposing a blind with adjustable blades, in which the traction system can be adapted according to the weight of the apron and in which the slides can be installed against the frame of the frame. the opening when the blind is intended to be installed outside.

A cet effet l'invention concerne un store à lames orientables comprenant un tablier formé par une série de lames orientables, un arbre d'enroulement du tablier, un système de traction, pour tracter les lames du tablier à partir d'une rotation de l'arbre et au moins une échelle pour régler l'orientation des lames, cette échelle comprenant un premier brin et un second brin agencé pour être enroulé autour du tablier, les deux brins étant reliés entre eux par des liens, entre lesquels sont disposées les lames. Le système de traction comprend le second brin de chaque échelle, de sorte que toutes les lames du tablier sont tractées de manière simultanée lors de la rotation de l'arbre. Conformément à l'invention, le système de traction comprend, pour chaque échelle, au moins une bague, qui est solidaire en rotation avec l'arbre d'enroulement et qui est liée au second brin de l'échelle. De plus, le store comprend, pour chaque échelle, un manchon d'enroulement du premier brin, ce manchon étant libre en rotation autour de l'arbre.For this purpose the invention relates to a blind with adjustable blades comprising an apron formed by a series of steerable blades, a winding shaft of the deck, a traction system, for towing the apron blades from a rotation of the tree and at least one scale for adjusting the orientation of the blades, this scale comprising a first strand and a second strand arranged to be wrapped around the apron, the two strands being interconnected by links, between which are arranged the blades . The traction system comprises the second run of each ladder, so that all the deck blades are pulled simultaneously during the rotation of the shaft. According to the invention, the traction system comprises, for each scale, at least one ring, which is integral in rotation with the winding shaft and which is connected to the second strand of the scale. In addition, the blind comprises, for each scale, a winding sleeve of the first strand, this sleeve being free in rotation around the shaft.

FR 1 166 398 divulgue un store selon le préambule de la revendication 1. Ce store est composé d'un réseau de lames plates posées sur les traverses f d'une échelle. Les traverses f s'étendent entre deux brins e. Chacun des brins e de l'échelle est attaché au niveau d'un point m à un tambour d'enroulement t. Les deux brins e de l'échelle s'étendent de part et d'autre du tambour t. Lors de la rotation du tambour t, l'un des brins e se tend, alors que l'autre se détend. De cette façon, le store est enroulé autour du tambour. La rotation du tambour t peut être obtenue par l'emploi d'une drisse d enroulée sur le tambour. En tirant l'extrémité g de la drisse d, on fait tourner le tambour t, ce qui a pour effet de faire d'abord pivoter les lames et de les enrouler ensuite. FR 1 166 398 discloses a blind according to the preamble of claim 1. This blind is composed of a network of flat blades resting on the crosspieces f of a ladder. The cross members f extend between two strands e. Each of the strands e of the ladder is attached at a point m to a winding drum t. The two strands e of the scale extend on either side of the drum t. During the rotation of the drum t, one of the strands e tends, while the other relaxes. In this way, the blind is wrapped around the drum. The rotation of the drum t can be obtained by the use of a halyard wound on the drum. Pulling the end of the halyard d, the drum is rotated t, which has the effect of first rotate the blades and then wind them.

Grâce à l'invention, chaque échelle est utilisée à la fois pour régler l'orientation des lames et pour tracter les lames du tablier lors de l'ouverture du store. L'absence de cordons ou de rubans de traction passant au centre des lames du store permet de déporter l'axe de pivotement des lames à une extrémité de celles-ci, c'est-à-dire à proximité de l'un des bords longitudinaux. Ainsi, lorsque le store est posé à l'extérieur, les coulisses de maintien au vent peuvent être installées contre le dormant de l'ouverture sans gêner pour autant l'orientation des lames. En outre, le système de traction peut être adapté en fonction du poids du tablier en augmentant ou en diminuant le nombre d'échelles.Thanks to the invention, each scale is used both to adjust the orientation of the blades and to pull the apron blades when opening the blind. The absence of cords or traction ribbons passing through the center of the blades of the blind makes it possible to deport the axis of pivoting of the blades at one end thereof, that is to say close to one of the edges. longitudinal. Thus, when the blind is placed outside, the Ventilating slides can be installed against the frame of the opening without disturbing the orientation of the blades. In addition, the traction system can be adapted according to the weight of the deck by increasing or decreasing the number of scales.

Selon des aspects avantageux mais non obligatoires de l'invention, un store à lame orientable peut comporter une ou plusieurs des caractéristiques suivantes, prises dans toute combinaison techniquement admissible :

  • Le système de traction comprend, pour chaque échelle, deux bagues et un moyen de liaison entre une extrémité du second brin de l'échelle et les deux bagues.
  • Le moyen de liaison est une tige sur laquelle est attachée une extrémité du second brin et qui est reçue dans des logements respectifs des deux bagues.
  • Le manchon est interposé entre les deux bagues.
  • L'arbre est logé à l'intérieur d'un caisson délimitant une ouverture pour le passage du tablier.
  • Le store comprend un actionneur d'entrainement de l'arbre.
  • Le store est un brise soleil orientable pour façade extérieure, comprenant deux coulisses latérales de maintien au vent, et des embouts de lame, qui sont montés en pivot aux deux extrémités de chaque lame et qui sont guidés à l'intérieur des coulisses. L'axe de pivotement de chaque lame par rapport aux embouts est situé au niveau de l'un des bords longitudinaux de la lame, ou du moins à proximité de celui-ci.
  • L'axe de pivotement de chaque lame par rapport aux embouts est situé du côté du premier brin de chaque échelle.
According to advantageous but non-mandatory aspects of the invention, an adjustable blade awning may comprise one or more of the following features, taken in any technically permissible combination:
  • The traction system comprises, for each scale, two rings and a connecting means between one end of the second run of the scale and the two rings.
  • The connecting means is a rod on which is attached one end of the second strand and which is received in respective housings of the two rings.
  • The sleeve is interposed between the two rings.
  • The tree is housed inside a box delimiting an opening for the passage of the apron.
  • The blind comprises a drive actuator of the shaft.
  • The awning is a sunshade that can be tilted to the exterior façade, with two lateral wind-holding slides, and blade tips, which are pivotally mounted at both ends of each blade and are guided inside the wings. The pivot axis of each blade relative to the end pieces is located at one of the longitudinal edges of the blade, or at least close to it.
  • The pivot axis of each blade relative to the tips is located on the side of the first strand of each scale.

L'invention et d'autres avantages de celle-ci apparaîtront plus clairement à la lumière de la description qui va suivre, d'un mode de réalisation d'un store à lames orientables conforme à son principe, donnée uniquement à titre d'exemple et faite en référence aux dessins annexés dans lesquels :

  • la figure 1 est une vue partielle en perspective d'un store à lames orientables conforme à l'invention,
  • la figure 2 est une vue de côté et en coupe du store de la figure 1, et
  • la figure 3 est une vue à plus grande échelle de l'encadré III de la figure 2.
The invention and other advantages thereof will appear more clearly in the light of the description which follows, of an embodiment of a blind with adjustable blades in accordance with its principle, given solely as an example. and with reference to the accompanying drawings in which:
  • the figure 1 is a partial perspective view of a blind with adjustable blades according to the invention,
  • the figure 2 is a side view and in section of the blind of the figure 1 , and
  • the figure 3 is a larger-scale view of Box III of the figure 2 .

Sur les figures 1 à 3 est représenté un store à lames orientable 2. Dans l'exemple, le store 2 est un brise soleil orientable destiné à être installé à l'extérieur d'un bâtiment.On the Figures 1 to 3 In the example, the blind 2 is a sunshade orientable to be installed outside a building.

Le store 2 comprend un tablier 8 formé par une série de lames orientables 80 et un arbre 6 d'enroulement du tablier 8. Comme visible aux figures 1 et 3, chaque lame 80 comprend deux bords longitudinaux B1 et B2, qui définissent les grands côtés de la lame.The blind 2 comprises an apron 8 formed by a series of adjustable blades 80 and a winding shaft 6 of the apron 8. figures 1 and 3 each blade 80 comprises two longitudinal edges B1 and B2, which define the long sides of the blade.

L'arbre 6 est logé au centre d'un caisson 4 destiné à être installé en partie supérieure d'une ouverture, telle qu'une fenêtre. Le caisson 4 est posé au-dessus d'un dormant 52 de l'ouverture et délimite une ouverture de passage du tablier 8. L'arbre 6 est mobile en rotation autour d'un axe central X6, qui est horizontal en configuration d'utilisation du store. Avantageusement, le store comprend un actionneur non représenté pour l'entrainement de l'arbre 6 et un dispositif de commande. Cet actionneur peut être du type tubulaire logé à l'intérieur de l'arbre creux 6. En variante, la rotation de l'arbre peut être commandée par un système manuel, comprenant par exemple un treuil et une manivelle.The shaft 6 is housed in the center of a box 4 intended to be installed in the upper part of an opening, such as a window. The box 4 is placed above a frame 52 of the opening and defines a passage opening of the deck 8. The shaft 6 is rotatable about a central axis X6, which is horizontal in the configuration of use of the awning. Advantageously, the blind comprises a not shown actuator for driving the shaft 6 and a control device. This actuator may be of the tubular type housed inside the hollow shaft 6. In a variant, the rotation of the shaft may be controlled by a manual system, comprising for example a winch and a crank.

Le store 2 comprend des coulisses 20 de maintien au vent, spécifiques à une pose extérieure. Les coulisses 20 définissent un plan de guidage P20 pour le tablier 8. Dans l'exemple, le caisson 4 délimite un volume interne V4 qui est déporté par rapport au plan de guidage P20. L'arbre d'enroulement 6 est donc également décalé latéralement par rapport au plan P20.The blind 2 comprises wind holding slides 20, specific to an external installation. The slides 20 define a guide plane P20 for the apron 8. In the example, the box 4 defines an internal volume V4 which is offset with respect to the guide plane P20. The winding shaft 6 is thus also offset laterally with respect to the plane P20.

Des embouts de lame 18 sont montés en pivot aux deux extrémités de chaque lame 80. Les embouts de lame 18 sont guidés à l'intérieur des coulisses 20 et sont immobilisés en rotation à l'intérieur de celles-ci. Ainsi, lorsque les embouts de lame 18 sont logés dans les coulisses 20, seules les lames 80 sont mobiles en pivotement. L'axe de pivotement de chaque lame 80 est référencé X80 sur les figures. Cet axe X80 est horizontal en configuration d'utilisation du store 2.Blade tips 18 are pivotally mounted at both ends of each blade 80. The blade tips 18 are guided within the wings 20 and are rotatably immobilized therein. Thus, when the blade tips 18 are housed in the slides 20, only the blades 80 are pivotally movable. The pivot axis of each blade 80 is referenced X80 in the figures. This axis X80 is horizontal in the configuration of use of the blind 2.

Avantageusement, les embouts de lame 18 sont reliés entre eux par un ruban de guidage 22.Advantageously, the blade tips 18 are interconnected by a guide strip 22.

Le store 2 comprend deux échelles 10 pour régler l'orientation des lames 80, une seule de ces deux échelles 10 étant visible sur les figures. Chaque échelle 10 comprend un premier brin 100, un second brin 102 et des liens 104 reliant les brins 100 et 102. Les brins 100 et 102 et les liens 104 peuvent être prévus sous la forme de ficelles ou de rubans. Les brins 100 et 102 s'étendent de part et d'autre du tablier 8. Les liens 104 sont disposés chacun entre deux lames successives du tablier. Ainsi, chaque lame 80 est disposée dans un parallélogramme ayant deux côtés opposés formés par des liens 104 et deux autres côtés opposés formés par les brins 100 et 102. Comme visible à la figure 3, chaque lien 104 est disposé de façon à coopérer avec une surface inférieure d'une lame du tablier, en étant en appui contre cette surfaceThe blind 2 comprises two scales 10 to adjust the orientation of the blades 80, only one of these two scales 10 being visible in the figures. Each scale 10 comprises a first strand 100, a second strand 102 and links 104 connecting the strands 100 and 102. The strands 100 and 102 and the links 104 may be provided in the form of strings or ribbons. The strands 100 and 102 extend on either side of the apron 8. The links 104 are each arranged between two successive blades of the deck. Thus, each blade 80 is disposed in a parallelogram having two opposite sides formed by links 104 and two other opposite sides formed by strands 100 and 102. As visible in FIG. figure 3 each link 104 is arranged to cooperate with a lower surface of a deck blade, bearing against this surface

Dans le présent document, l'ouverture du store correspond à la montée du tablier 8, alors que la fermeture du store correspond à la descente du tablier 8.In this document, the opening of the blind corresponds to the rise of the deck 8, while the closing of the blind corresponds to the descent of the deck 8.

L'ensemble formé par le tablier 8 et les deux échelles 10 est enroulé autour de l'arbre d'enroulement 6 lors de l'ouverture du store 2. Le fait que les échelles 10 s'enroulent avec les lames 80 permet de protéger les lames à l'ouverture du store. Le brin 102 est agencé pour être enroulé autour du tablier, c'est-à-dire sur la face extérieure du tablier 8 lors de l'ouverture du store, c'est pourquoi on parle d'un brin « extérieur », alors que le brin 100 est agencé pour être enroulé sur la face intérieure du tablier 8 lors de l'ouverture du store, c'est pourquoi on parle d'un brin « intérieur ». La face extérieure du tablier 8 est définie comme étant la face du tablier 8 qui est visible lorsque le tablier est enroulé autour de l'arbre 6. Le brin intérieur 100 est disposé du côté du bord B1 des lames 80, alors que le brin extérieur 102 est disposé du côté du bord B2 des lames 80.The assembly formed by the apron 8 and the two scales 10 is wound around the winding shaft 6 when the awning 2 is opened. The fact that the scales 10 Wrap with the blades 80 protects the blades when opening the blind. The strand 102 is arranged to be wrapped around the apron, that is to say on the outer face of the apron 8 during the opening of the blind, which is why we speak of a strand "outside", while the strand 100 is arranged to be wound on the inner face of the apron 8 during the opening of the blind, which is why we speak of a strand "inside". The outer face of the apron 8 is defined as the face of the apron 8 which is visible when the apron is wound around the shaft 6. The inner strand 100 is disposed on the side of the edge B1 of the blades 80, while the outer strand 102 is disposed on the edge B2 side of the blades 80.

Le store 2 comprend un système de traction des lames 80 du tablier 8, configuré pour tracter les lames 80 du tablier 8 à partir d'une rotation de l'arbre 6. Ce système de traction comprend le brin extérieur 102 de chaque échelle 10. Le brin extérieur 102 des échelles 10 est donc tracté lors de la rotation de l'arbre 6, c'est-à-dire qu'un effort de traction est appliqué à une extrémité du brin extérieur 102 lorsque l'arbre 6 tourne autour de l'axe X6. Le brin 102 se retrouve alors sous tension. La traction du brin extérieur 102 de chaque échelle 10 entraine l'enroulement des échelles 10 autour de l'arbre 6 et par conséquent l'enroulement des lames 80 logées chacune à l'intérieur d'un espace défini entre deux liens successifs 104 de l'échelle 10. Toutes les lames 80 sont donc tractées en simultané lors de la rotation de l'arbre 6. Ce mode de fonctionnement est fondamentalement différent de celui des stores Vénitiens traditionnels, dans lesquels seule la lame finale du tablier est tractée par le ou les cordons de traction et dans lesquels chacune des autres lames vient s'empiler au-dessus de la finale lors de l'ouverture du store.The blind 2 comprises a traction system of the blades 80 of the apron 8, configured to tow the blades 80 of the deck 8 from a rotation of the shaft 6. This traction system comprises the outer strand 102 of each scale 10. The outer strand 102 of the ladders 10 is thus pulled during the rotation of the shaft 6, that is to say a tensile force is applied to one end of the outer strand 102 when the shaft 6 rotates around the X6 axis. Strand 102 is then energized. The traction of the outer strand 102 of each scale 10 causes the winding of the ladders 10 around the shaft 6 and consequently the winding of the blades 80 each housed within a space defined between two successive links 104 of the 10. All the blades 80 are therefore pulled simultaneously during the rotation of the shaft 6. This mode of operation is fundamentally different from that of traditional Venetian blinds, in which only the final blade of the deck is towed by the or the traction cords and in which each of the other blades is stacked above the final when opening the blind.

Le système de traction comprend également, pour chaque échelle 10, deux bagues 14 solidaires en rotation avec l'arbre 6 et un moyen de liaison 12 entre une extrémité du brin 102 et les deux bagues 14. Dans l'exemple, ce moyen de liaison est une tige 12 sur laquelle est attachée une extrémité du brin 102 et qui est reçue dans des logements respectifs des deux bagues 14. Les bagues 14 sont liées en rotation avec l'arbre 6 par vissage. En variante, on peut imaginer qu'elles soient rendues solidaires en rotation de l'arbre 6 par complémentarité de forme entre la surface extérieure de l'arbre et la surface intérieure des bagues 14.The traction system also comprises, for each scale 10, two rings 14 integral in rotation with the shaft 6 and a connecting means 12 between one end of the strand 102 and the two rings 14. In the example, this connecting means is a rod 12 on which is attached one end of the strand 102 and which is received in respective housings of the two rings 14. The rings 14 are connected in rotation with the shaft 6 by screwing. As a variant, it can be imagined that they are made integral in rotation with the shaft 6 by complementary shape between the outer surface of the shaft and the inner surface of the rings 14.

De manière astucieuse, le système de traction peut être adapté en fonction du poids du tablier 8, en augmentant ou en diminuant le nombre d'échelles 10, de moyens de liaison 12 et de bagues 14.In a clever way, the traction system can be adapted according to the weight of the deck 8, by increasing or decreasing the number of scales 10, connecting means 12 and rings 14.

Par ailleurs, le store 2 comprend, pour chaque échelle 10, un manchon 16 d'enroulement du premier brin 100. Ce manchon 16 est libre en rotation autour de l'arbre 6. Ainsi, le brin 100 n'est pas sous tension lors de l'enroulement ou du déroulement du tablier. Le brin 100 suit simplement le mouvement du brin 102 du fait de la présence des liens 104 et s'enroule autour du manchon 16. Le brin 100 est donc relié à l'arbre de façon à ce que la rotation de celui-ci ne provoque pas la traction du brin 100. Autrement dit, le brin 100 ne fait pas partie du système de traction.Furthermore, the blind 2 comprises, for each scale 10, a sleeve 16 for winding the first strand 100. This sleeve 16 is free to rotate about the shaft 6. Thus, the strand 100 is not energized when winding or unfolding apron. The strand 100 simply follows the movement of the strand 102 because of the presence of the links 104 and wraps around the sleeve 16. The strand 100 is thus connected to the shaft so that the rotation thereof does not cause not the traction of the strand 100. In other words, the strand 100 is not part of the traction system.

Avantageusement, le manchon 16 est interposé, le long de l'axe 6, entre les deux bagues 14.Advantageously, the sleeve 16 is interposed, along the axis 6, between the two rings 14.

L'absence de cordons ou de rubans de traction passant au centre des lames 80 du store permet de déporter l'axe de pivotement X80 des lames 80 au niveau de l'un des bords longitudinaux B1 et B2 de la lame, ou du moins à proximité de celui-ci. Par conséquent, les lames 80 ne dépassent que d'un côté des coulisses 20 lorsqu'elles sont orientées à l'horizontale, c'est-à-dire en position pour laisser passer la lumière. Avantageusement, l'axe de pivotement X80 de chaque lame est disposé à proximité du bord B1 des lames 80, c'est-à-dire du côté du brin intérieur 100 des échelles 10, de sorte que les lames dépassent, par rapport aux coulisses, du côté opposé au dormant 52 de l'ouverture. Le dormant 52 ne forme donc pas un obstacle à l'orientation des lames 80 à l'horizontale. Ainsi, les coulisses 20 peuvent être installées directement contre le dormant 52 de l'ouverture, ce qui facilite le travail du poseur.The absence of cords or traction ribbons passing through the center of the blades 80 of the blind makes it possible to deport the pivot axis X80 of the blades 80 at one of the longitudinal edges B1 and B2 of the blade, or at least to near this one. Therefore, the blades 80 only protrude from one side of the slides 20 when oriented horizontally, that is to say in position to allow the light to pass. Advantageously, the pivot axis X80 of each blade is disposed near the edge B1 of the blades 80, that is to say the side of the inner strand 100 of the scales 10, so that the blades protrude, compared to the scenes , on the opposite side to the frame 52 of the opening. The frame 52 thus does not form an obstacle to the orientation of the blades 80 horizontally. Thus, the slides 20 can be installed directly against the frame 52 of the opening, which facilitates the work of the installer.

La fermeture du store 2 est effectuée de la manière suivante. Le tablier 8 est déroulé par une rotation de l'arbre d'enroulement 6. Lorsque le store 2 est complètement fermé, c'est-à-dire lorsque le tablier 8 atteint une position basse de fin de course, une rotation supplémentaire de l'arbre d'enroulement 6 dans le même sens permet d'orienter chacune des lames 80 d'une position d'occultation, sensiblement verticale, à une position traversante, sensiblement horizontale. En phase finale de déroulement du tablier, le brin 100 finit de se dérouler puis se tend. Cette situation permet ainsi d'orienter les lames car le brin 102 continue lui de se dérouler. En pratique, les lames 80 s'orientent naturellement sous l'effet de la gravité, comme représenté par la flèche F1 à la figure 3.The shutter 2 is closed in the following manner. The apron 8 is unwound by a rotation of the winding shaft 6. When the blind 2 is completely closed, that is to say when the deck 8 reaches a low end position, an additional rotation of the winding shaft 6 in the same direction makes it possible to orient each of the blades 80 from a substantially vertical occultation position to a substantially horizontal through position. In the final phase of unfolding the apron, the strand 100 finishes to unfold and then stretches. This situation thus makes it possible to orient the blades because the strand 102 continues to unfold. In practice, the blades 80 are oriented naturally under the effect of gravity, as represented by the arrow F1 to the figure 3 .

A titre de variante non représentée, le store à lames orientables 2 est un store vénitien destiné à être installé à l'intérieur d'une pièce. Dans ce cas, les coulisses latérales et les embouts de lame ne sont plus nécessaires. De même, l'axe d'orientation des lames n'est pas nécessairement déporté à proximité d'un bord longitudinal de la lame.As a variant not shown, the awning with adjustable blades 2 is a venetian blind intended to be installed inside a room. In this case, the side slides and blade tips are no longer needed. Similarly, the axis of orientation of the blades is not necessarily deported near a longitudinal edge of the blade.

Selon une autre variante non représentée, l'arbre d'enroulement 6 peut être disposé à proximité du plan de coulisses P20. Les rubans de guidage 22 deviennent alors optionnels.According to another variant not shown, the winding shaft 6 may be disposed near the plane of wings P20. The guide ribbons 22 then become optional.

Selon une autre variante non représenté, la liaison entre le brin 102 et l'arbre 6 est différente. Par exemple, une seule bague 14 peut être prévue pour chaque échelle 10. Egalement, le brin 102 peut être attaché directement à l'arbre 6 et chaque bague 14 peut être d'un seul tenant avec l'arbre 6.According to another variant not shown, the connection between the strand 102 and the shaft 6 is different. For example, a single ring 14 may be provided for each scale 10. Also, the strand 102 can be attached directly to the shaft 6 and each ring 14 can be integral with the shaft 6.

Claims (8)

  1. Blind with orientable slats (2), comprising:
    - an apron (8) formed by a series of orientable slats (80),
    - a shaft (6) for winding the apron (8),
    - a traction system (12, 14, 102) for pulling the slats of the apron as a function of a rotation of the shaft, and
    - at least one ladder (10) for adjusting the orientation of the slats, the ladder comprising a first strand (100) and a second strand (102) arranged to be wound around the apron, the two strands being connected together by ties (104) between which the slats (80) are arranged, the traction system comprising the second strand (102) of each ladder, so that all the slats of the apron are pulled simultaneously when the shaft (6) rotates,
    characterised in that the traction system comprises, for each ladder (10), at least one ring (14) which is secured in rotation with the winding shaft (6) and which is connected to the second strand (102) of the ladder, and in that the blind comprises, for each ladder (10), a sleeve (16) for winding the first strand (100), the sleeve being mounted to rotate freely about the shaft (6).
  2. Blind according to claim 1, characterised in that the traction system comprises, for each ladder (10), two rings (14) and a connecting means (12) between an end of the second strand (102) of the ladder and the two rings.
  3. Blind according to claim 2, characterised in that the connecting means is a rod (12) to which there is attached an end of the second strand (102) and which is received in respective receivers of the two rings (14).
  4. Blind according to claim 2, characterised in that the sleeve (16) is interposed between the two rings (14).
  5. Blind according to any one of the preceding claims, characterised in that the shaft (6) is housed inside a box (4) which delimits an opening for the passage of the apron (8).
  6. Blind according to any one of the preceding claims, characterised in that it comprises an actuator for driving the shaft (6).
  7. Blind according to any one of the preceding claims, characterised in that the blind is an orientable sun screen for an exterior façade, comprising:
    - two wind-resistant lateral slides (20),
    - slat end-pieces (18) which are pivotably mounted at the two ends of each slat (80) and which are guided inside the slides,
    and in that the pivot axis (X80) of each slat relative to the end-pieces (18) is situated at one (B1) of the longitudinal edges (B1, B2) of the slat, or at least in the vicinity thereof.
  8. Blind according to the preceding claim, characterised in that the pivot axis (X80) of each slat relative to the end-pieces (18) is situated on the side of the first strand (100) of each ladder.
EP17180425.5A 2016-07-11 2017-07-10 Blind with movable blades Active EP3269896B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1656632A FR3053720B1 (en) 2016-07-11 2016-07-11 STORE WITH ORIENTABLE BLADES

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EP3269896A1 EP3269896A1 (en) 2018-01-17
EP3269896B1 true EP3269896B1 (en) 2019-02-27

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Application Number Title Priority Date Filing Date
EP17180425.5A Active EP3269896B1 (en) 2016-07-11 2017-07-10 Blind with movable blades

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FR (1) FR3053720B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3129424B1 (en) 2021-11-22 2023-12-08 Airmium Air purifying blind.

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Publication number Priority date Publication date Assignee Title
DE52076C (en) * G. PICKHARDT in Bonn a. Rh., Kölner Chaussee 149 Spring-loaded ring to attach the roll-up curtain and flag to the roll-up curtain and flagpoles
FR1043890A (en) * 1951-10-19 1953-11-12 Improvements to roller shutters
FR1166398A (en) * 1957-02-19 1958-11-05 Oscillating winch for roller blinds
ITBO20080645A1 (en) * 2008-10-20 2010-04-21 Croci S P A SAFETY DEVICE, PARTICULARLY FOR WINDOWS.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
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EP3269896A1 (en) 2018-01-17
FR3053720A1 (en) 2018-01-12
FR3053720B1 (en) 2019-08-30

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