EP1660750A1 - Device for controlling a venetian blind - Google Patents

Device for controlling a venetian blind

Info

Publication number
EP1660750A1
EP1660750A1 EP04786280A EP04786280A EP1660750A1 EP 1660750 A1 EP1660750 A1 EP 1660750A1 EP 04786280 A EP04786280 A EP 04786280A EP 04786280 A EP04786280 A EP 04786280A EP 1660750 A1 EP1660750 A1 EP 1660750A1
Authority
EP
European Patent Office
Prior art keywords
horizontal
rotation
control device
mandrel
blind
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
EP04786280A
Other languages
German (de)
French (fr)
Other versions
EP1660750B1 (en
Inventor
Pierre-Luc Maumi
Laurent Passini
Dominique Quillot
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.)
Mariton SA
Original Assignee
Mariton SA
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 Mariton SA filed Critical Mariton SA
Publication of EP1660750A1 publication Critical patent/EP1660750A1/en
Application granted granted Critical
Publication of EP1660750B1 publication Critical patent/EP1660750B1/en
Not-in-force 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
    • E06B9/24—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
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives
    • 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
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/303—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable with ladder-tape

Definitions

  • the invention relates to the control of blinds of the Venetian blind type with horizontal slats.
  • a blind generally comprises a vertically deployable apron composed of horizontal slats supported by flexible ladders and terminated by a low inal horizontal bar whose position is determined by means of at least two cords or ribbons capable of being wrapped around a horizontal output mandrel from a box or high module transforming a rotational movement of a horizontal input mandrel into another movement of rotation of the horizontal output mandrel in a determined direction, as is well known in one art.
  • each rung of this flexible ladder has a substantially horizontal strip which can be oriented relative to this relative horizontality in order to adjust the orientation and more or less obstruct an access to light.
  • This type of blind therefore requires several separate commands, in particular for lifting or lowering of the final horizontal bar and for the orientation of the slats.
  • the controls have been separated so that one chain ensures the raising or lowering of the horizontal final bar and another chain ensures the adjustment of the orientation of the slats.
  • This type of control by chains generally has a drawback in that the chains easily become entangled with one another or twist on themselves.
  • the invention is situated in this context and aims to greatly simplify the control of such a blind, in particular of such a blind of horizontal Venetian type. She finds applications for other types of blinds, however.
  • the top module of the blind comprises a first epicyclic train and a second epicyclic train arranged in series, each train having a set of satellite gears with parallel axes and meshing a crown enclosing a planet carrier, rotating axes.
  • the planet carrier of one of the trains receives one of the ends of these "axes, while the planet carrier of one other train 1 receives the other end of these axes.
  • the rotation of the planet gears of the one of the trains is inverted with respect to that of the satellite gears of the other of the trains by mutual meshing, the satellite gears of the second rotary planet carrier being driven in rotation by the horizontal input mandrel, while the first planet carrier rotary is integral in rotation with the horizontal output mandrel.
  • the blocking in rotation of one of the crowns thus determines the direction of rotation 'of the horizontal output mandrel.
  • the blocking in rotation of one of the crowns is obtained by means of a carriage provided with two pairs of teeth and movable horizontally in translation, so as to block only one of the crowns, the other remaining free.
  • the carriage is secured to a pair of dogs capable of blocking the crowns, in such a way that only one of these crowns is blocked and the other remains free.
  • the horizontal input mandrel is controlled in rotation by traction of a drive cable, one end of which is wound at rest on a recalled drive coil and idle in rotation in a determined direction.
  • the drive cable passes through a hollow shaft carrying an eccentric cam at its upper end and the other end of which engages, at rest, in a form provided on a handle for controlling the drive cable.
  • Figure 1 shows in perspective and exploded view the top module of the blind control device according to one invention
  • Figure 2 shows in perspective and exploded view the two epicyclic trains arranged in series in the top module of Figure 1
  • Figures 3A and 3B schematically illustrate the means of changing the direction of the horizontal mandrel output from the top module of Figure 1
  • Figure 4 schematically shows in longitudinal section the two epicyclic trains assembled from the top module
  • Figures 5A and 5B schematically and partially illustrate a blind according to one invention respectively in the rest position and in the pull position.
  • a blind generally comprises a vertically deployable apron composed of horizontal slats supported by flexible ladders and terminated by a low final horizontal bar whose position is determined by means of at least two cords or ribbons capable of being wrapped around a horizontal output mandrel (not shown in the Figures).
  • a top module as shown in FIG. 1, comprises a device which transforms a rotational movement of a horizontal input mandrel 6 into another rotational movement of the horizontal output mandrel in a determined direction.
  • This top module is constituted by a casing comprising a bottom 8 and a cover 10 enclosing the mechanism for transforming the rotational movement.
  • This mechanism essentially comprises a first epicyclic train 12 in series with a second epicyclic train 14.
  • Each epicyclic train 12, 14 comprises a planet carrier 16, 18, a set of satellite gears 20, 22, and a crown 24, 28.
  • each set of satellite gears 20, 22 comprises three gears .
  • the planet carrier of one of the trains receives one end of the axes of the satellite gears, while the planet carrier of the other of the trains receives the other end of these axes.
  • the satellite gears of each set have a mutual meshing zone and, outside this zone, a toothing zone which meshes, of course, the teeth provided on the internal face of the corresponding crown 24, 28.
  • the input mandrel 6 always rotates in the same direction and engages the set of centripetal satellite gears 22 of the second epicyclic train 14.
  • the second planet carrier 18 drives the output mandrel around which the aforementioned cords or ribbons of the blind are wound.
  • the second planet carrier 18 is capable of turning in one direction or the other, as will be seen.
  • the horizontal input mandrel 6 has a constant determined direction of rotation, while the output mandrel must be able to turn in one direction and the other to ensure either the lowering or the raising of the deck of the awning.
  • one of the rings 24, 28 must be locked in rotation.
  • each pair of teeth 32, 34 of the carriage 30, in practice, is integral with a dog clutch 40, 42 capable of respectively blocking either the crown 24 or the crown 28, and in such a way that only one of the crowns is blocked and that the other remains free.
  • each dog clutch 40, 42 and each ring 24, 28 have a correspondingly facing radial wall.
  • An accessory spring means 9 acting axially on the dogs makes it possible to ensure the synchronization of the toothed radial walls opposite between a dog and the corresponding crown.
  • the translation of the carriage 30 is ensured by an eccentric cam means 44 cooperating with an opening 46 provided in the carriage 30.
  • An irreversible wheel means 50 for example spring, ball or rock, is disposed at the outlet of the mechanism to prevent the awning of the awning from falling between two manipulations.
  • the blind apron is manipulated by means of a hollow shaft 52 carrying the eccentric cam 44 penetrating into the opening 46 of the movable carriage 30.
  • a rotation of this shaft 52 by a quarter turn or a half turn therefore causes displacement of the carriage 30 and, consequently, the change of the locked crown and, therefore, the change of the direction of rotation of the horizontal mandrel of exit.
  • a cable 62 (FIG. 5B), secured to a handle 60 passes inside the hollow shaft 52 to serve as a control means for the user.
  • the upper end of the cable guided by a mad pulley 54 with a horizontal axis, is connected to a drive coil 56 which transforms the tensile force exerted on the cable 62 by the user, in a movement of rotation of the mandrel horizontal input 6 via a free wheel (not shown in the Figures).
  • a spring means makes it possible to return the drive coil 56 to its angular position of rest.
  • the handle 60 When the user exerts no traction on the cable 62, the handle 60, recalled by the drive pulley 56, abuts against the hollow shaft 52 which comes to engage in a shape 64 provided on the handle 60, so that, in this position, the handle 60 and the hollow shaft 52 are linked in rotation.
  • the length of the end of the windable cable " on the pulley is of the order of 80 cm.
  • the user when he has chosen that the curtain of the blind must go up or down by a simple rotation of the shaft 52 by means of the handle 60 which he holds in one hand, only exercise one or more successive pulls on the cable 62 passing through the shaft 05/028802
  • the cable 6-2 is cleaned automatically by the drive coil 56 biased.
  • a device for controlling a blind of the “monocommando” type very simple to use, inexpensive to make and, above all, very compact, compatible with 1, thus obtains it.
  • use of a conventional tall box of sheet metal blind for example 25 x 25 millimeters in section.
  • the originality of this mechanism consists essentially in allowing the user to maintain his grip on the traction member, whether he wants to raise or lower the blind, all the commands can therefore be carried out with one hand.
  • the transition from deployment to folding of the awning apron is thus achieved by a simple rotation of the operating rod.
  • the horizontal input and output mandrels were provided with a 12-tooth pinion, the two times three satellite gears 20, 22 each had 12 teeth and the crowns 24 , 28 had 36 teeth.
  • two ratios are obtained different reduction: a reduction of 1/4 for the folding of the apron and a ratio of 1/2 for the deployment of the apron.

Abstract

The device has a cable integrated with a handle (60) and passing through a hollow shaft (52), where the handle and shaft are rotatably connected. An upper end of the cable guided by a free-pulley is connected to a reel drive. The drive transforms a traction effort exerted on the cable into a rotational movement of a horizontal input mandrel through a free wheel. A spring unit returns the drive to its angular rest position.

Description

Dispositif de commande d'un store vénitien Venetian blind control device
L' invention" concerne la commande de stores du type stores vénitiens à lames horizontales . un tel store comporte, de façon générale, un tablier déployable verticalement composé de lames horizontales supportées par des échelles souples et terminé par une barre horizontale inale basse dont la position est déterminée au moyen d'au moins deux cordelettes ou rubans susceptibles d'être enroulés autour d'un mandrin horizontal de sortie d'un boîtier ou module haut transformant un mouvement de rotation d'un mandrin horizontal d'entrée en un autre mouvement de rotation du mandrin horizontal de sortie dans un sens déterminé, comme cela est bien connu dans 1 ' art .The invention "relates to the control of blinds of the Venetian blind type with horizontal slats. Such a blind generally comprises a vertically deployable apron composed of horizontal slats supported by flexible ladders and terminated by a low inal horizontal bar whose position is determined by means of at least two cords or ribbons capable of being wrapped around a horizontal output mandrel from a box or high module transforming a rotational movement of a horizontal input mandrel into another movement of rotation of the horizontal output mandrel in a determined direction, as is well known in one art.
En général, chaque échelon de cette échelle souple porte une lamelle sensiblement horizontale et orientable par rapport à cette horizontalité relative pour en régler 1 ' orientation et obstruer plus ou moins un accès de lumière .In general, each rung of this flexible ladder has a substantially horizontal strip which can be oriented relative to this relative horizontality in order to adjust the orientation and more or less obstruct an access to light.
Ce type de stores demande donc plusieurs commandes séparées, notamment, pour la levée ou la descente de la barre finale' horizontale et pour l'orientation des lamelles. De façon conventionnelle, les commandes ont été séparées de- manière à ce qu'une chaînette assure la montée ou la descente de la barre finale horizontale et à ce qu'une autre chaînette assure le réglage de l'orientation des lamelles .This type of blind therefore requires several separate commands, in particular for lifting or lowering of the final horizontal bar and for the orientation of the slats. Conventionally, the controls have been separated so that one chain ensures the raising or lowering of the horizontal final bar and another chain ensures the adjustment of the orientation of the slats.
Ce type de commande par chaînettes présente généralement un inconvénient en ce que les chaînettes s'emmêlent facilement entre elles ou vrillent sur elles- même .This type of control by chains generally has a drawback in that the chains easily become entangled with one another or twist on themselves.
De nombreuses tentatives ont été faites pour réduire ce nombre de commandes en une commande unique plus pratique pour .l 'utilisateur et, surtout, pouvant être mise en oeuvre à distance par un moyen électrique simple. On en trouve des exemples , parmi bien d' autres , dans les documents EP-A-1 213 438, EP-A-1 156 182, O-A-0127431 ou US-A-5 $50 863.Many attempts have been made to reduce this number of commands into a single command which is more practical for the user and, above all, can be implemented remotely by simple electrical means. Examples are found, among many others, in documents EP-A-1,213,438, EP-A-1,156,182, O-A-0127431 or US-A-5 $ 50,863.
D'autres types' de tels stores ont été également décrits dans les documents EP-A-1072 753, EP-A-1063 386, O-A-02 095 177, EP-A-1 170 458 et WO-A-02 057 586. . Aucun des dispositifs précités ne permet la descente ou la relevée d'un tel store par le même geste simple de l'utilisateur.Other types' such blinds have also been described in EP-A-1072 753, EP-A-1063 386, OA-02095177, EP-A-1170458 and WO-A-02057586 . None of the aforementioned devices allows the descent or raising of such a blind by the same simple gesture of the user.
L'invention se situe dans ce contexte et a pour but de simplifier grandement la commande d'un tel store, notamment d'un tel store de type vénitien horizontal. Elle trouve cependant des applications pour d'autres types de stores .The invention is situated in this context and aims to greatly simplify the control of such a blind, in particular of such a blind of horizontal Venetian type. She finds applications for other types of blinds, however.
Selon l'invention, le module haut du store comprend un premier train epicycloïdal et un second train epicycloïdal disposés en série, chaque train présentant un jeu d'engrenages satellites à axes parallèles et engrenant une couronne enfermant un porte-satellites, rotatif des axes. Le porte-satellites de l'un des trains reçoit l'une des extrémités de ces"axes, tandis que le porte-satellites de 1 ' autre des trains reçoit 1 ' autre extrémité de ces axes . La rotation des engrenages satellites de l'un des trains est inversée par rapport à celle des engrenages satellites de 1 ' autre des trains par engrènement mutuel , les engrenages satellites du second porte-satellites rotatif étant entraînés en rotation par le mandrin horizontal d'entrée, tandis que le premier porte-satellites rotatif est solidaire en rotation du mandrin horizontal de sortie . Le blocage en rotation de l'une des couronnes détermine ainsi le sens de rotation' du mandrin horizontal de sortie .According to the invention, the top module of the blind comprises a first epicyclic train and a second epicyclic train arranged in series, each train having a set of satellite gears with parallel axes and meshing a crown enclosing a planet carrier, rotating axes. The planet carrier of one of the trains receives one of the ends of these "axes, while the planet carrier of one other train 1 receives the other end of these axes. The rotation of the planet gears of the one of the trains is inverted with respect to that of the satellite gears of the other of the trains by mutual meshing, the satellite gears of the second rotary planet carrier being driven in rotation by the horizontal input mandrel, while the first planet carrier rotary is integral in rotation with the horizontal output mandrel. The blocking in rotation of one of the crowns thus determines the direction of rotation 'of the horizontal output mandrel.
Selon l'invention, le blocage en rotation de l'une des couronnes est obtenu au moyen d'un chariot pourvu de deux paires de dents et mobile horizontalement en translation, de manière à bloquer l'une seulement des couronnes, l'autre restant libre. A cet effet, de façon avantageuse, le chariot est solidaire d'une paire de crabots susceptibles de bloquer les couronnes, de telle manière que 1 ' une seulement de ces couronnes soit bloquée et que 1 ' autre reste libre .According to the invention, the blocking in rotation of one of the crowns is obtained by means of a carriage provided with two pairs of teeth and movable horizontally in translation, so as to block only one of the crowns, the other remaining free. To this end, advantageously, the carriage is secured to a pair of dogs capable of blocking the crowns, in such a way that only one of these crowns is blocked and the other remains free.
Pour simplifier la commande, le mandrin horizontal d'entrée est commandé en rotation par traction d'un câble d'entraînement dont une extrémité est enroulée au repos sur une bobine d'entraînement rappelée et folle en rotation dans un sens déterminé. De préférence, le câble d'entraînement traverse un arbre creux portant une came excentrique en son extrémité supérieure et dont 1 ' autre extrémité vient s'enclencher, au repos, dans une forme prévue sur une poignée de commande du câble d'entraînement.To simplify the ordering, the horizontal input mandrel is controlled in rotation by traction of a drive cable, one end of which is wound at rest on a recalled drive coil and idle in rotation in a determined direction. Preferably, the drive cable passes through a hollow shaft carrying an eccentric cam at its upper end and the other end of which engages, at rest, in a form provided on a handle for controlling the drive cable.
L'invention sera mieux comprise, et d'autres buts, avantages et caractéristiques de celle-ci apparaîtront plus clairement à la lecture .de la description qui suit d'un mode préféré de réalisation donné à titre non limitatif et à laquelle trois planches de dessins sont annexées sur lesquelles : La Figure 1 représente en perspective et en vue éclatée le module haut du dispositif de commande d'un store conformément à 1 ' invention ; La Figure 2 représente en perspective et en vue éclatée les deux trains êpicycloïdaux disposés en série dans le module haut de la Figure 1 ,- et Les Figures 3A et 3B illustrent schématique ent le moyen de changement de sens du mandrin horizontal de sortie du module haut de la Figure 1 ; La Figure 4 représente schématiquement en coupe longitudinale les deux trains épicycloïdaux assemblés du module haut ; et Les Figures 5A et 5B illustrent schématiquement et partiellement un store conforme à 1 ' invention respectivement en position de repos et en position de traction.The invention will be better understood, and other objects, advantages and characteristics thereof will appear more clearly on reading the description which follows of a preferred embodiment given without limitation and in which three plates of drawings are attached in which: Figure 1 shows in perspective and exploded view the top module of the blind control device according to one invention; Figure 2 shows in perspective and exploded view the two epicyclic trains arranged in series in the top module of Figure 1, - and Figures 3A and 3B schematically illustrate the means of changing the direction of the horizontal mandrel output from the top module of Figure 1; Figure 4 schematically shows in longitudinal section the two epicyclic trains assembled from the top module; and Figures 5A and 5B schematically and partially illustrate a blind according to one invention respectively in the rest position and in the pull position.
On se référa maintenant aux Figures qui viennent d'être succinctement décrites. Le store lui-même n'a cependant pas été représenté en tant que tel sur les Figures, puisque bien connu de l'homme de l'art. Toutefois, sur les Figures 5A et 5B, le store a été partiellement représenté en relation avec le dispositif de commande du store.We will now refer to the Figures which have just been succinctly described. The blind itself, however, has not been shown as such in the Figures, since it is well known to those skilled in the art. However, in Figures 5A and 5B, the blind has been partially shown in relation to the blind control device.
Un store comporte, de façon générale, un tablier déployable verticalement composé de lames horizontales supportées par des échelles souples et terminé par une barre horizontale finale basse dont la position est déterminée au moyen d'au moins deux cordelettes ou rubans susceptibles d'être enroulés autour d'un mandrin horizontal de sortie (non représenté sur les Figures) . Un module haut, tel que représenté sur la Figure 1, comprend un dispositif qui transforme un mouvement de rotation d'un mandrin horizontal d'entrée 6 en un autre mouvement de rotation du mandrin horizontal de sortie dans un sens déterminé . Ce modulé haut est constitué par un carter comportant un fond 8 et un couvercle 10 enfermant le mécanisme de transformation du mouvement de rotation. Ce mécanisme comprend essentiellement un premier train epicycloïdal 12 en série avec un second train epicycloïdal 14.A blind generally comprises a vertically deployable apron composed of horizontal slats supported by flexible ladders and terminated by a low final horizontal bar whose position is determined by means of at least two cords or ribbons capable of being wrapped around a horizontal output mandrel (not shown in the Figures). A top module, as shown in FIG. 1, comprises a device which transforms a rotational movement of a horizontal input mandrel 6 into another rotational movement of the horizontal output mandrel in a determined direction. This top module is constituted by a casing comprising a bottom 8 and a cover 10 enclosing the mechanism for transforming the rotational movement. This mechanism essentially comprises a first epicyclic train 12 in series with a second epicyclic train 14.
Chaque train epicycloïdal 12, 14 comporte un porte-satellites 16, 18, un jeu d'engrenages satellites 20, 22, et une couronne 24, 28. Dans l'exemple représenté, chaque jeu d'engrenages satellites 20, 22 comporte trois engrenages . Le porte-satellites de l'un des trains reçoit l'une des extrémités des axes des engrenages satellites, tandis que le porte-satellites de l'autre des trains reçoit 1 ' autre extrémité de ces axes . Les engrenages satellites de chaque jeux présentent une zone d' engrènement mutuel et, en dehors de cette zone, une zone de denture qui engrène, bien sûr, les dents prévues sur la face interne de la couronne correspondante 24, 28.Each epicyclic train 12, 14 comprises a planet carrier 16, 18, a set of satellite gears 20, 22, and a crown 24, 28. In the example shown, each set of satellite gears 20, 22 comprises three gears . The planet carrier of one of the trains receives one end of the axes of the satellite gears, while the planet carrier of the other of the trains receives the other end of these axes. The satellite gears of each set have a mutual meshing zone and, outside this zone, a toothing zone which meshes, of course, the teeth provided on the internal face of the corresponding crown 24, 28.
Bien évidemment, les axes des engrenages satellites 20, 22 sont parallèles' entre eux et solidaires en rotation.Of course, the axes of the planet gears 20, 22 are parallel among them and integral in rotation.
Le mandrin d' entrée 6 tourne toujours dans un même sens et engrène le jeu d'engrenages satellites 22 centripètes du' second train epicycloïdal 14. Le second porte-satellites 18 entraîne le mandrin de sortie autour duquel sont enroulées les cordelettes ou rubans précités du store. Le second porte-satellite 18 est susceptible de tourner dans un sens ou dans l'autre, comme on va le voir.The input mandrel 6 always rotates in the same direction and engages the set of centripetal satellite gears 22 of the second epicyclic train 14. The second planet carrier 18 drives the output mandrel around which the aforementioned cords or ribbons of the blind are wound. The second planet carrier 18 is capable of turning in one direction or the other, as will be seen.
On comprendra que les engrenages satellites d'un jeu entraînent les engrenages satellites de l'autre jeu en rotation inverse .It will be understood that the satellite gears of one set drive the satellite gears of the other set in reverse rotation.
Comme on l'a dit précédemment, le mandrin horizontal d'entrée 6 présente un sens de rotation déterminé constant, alors que le mandrin de sortie doit pouvoir tourner dans un sens et dans l'autre pour assurer soit la baisse soit le relèvement du tablier du store. A cet effet, l'une des couronnes 24, 28 doit être bloquée en rotation.As mentioned above, the horizontal input mandrel 6 has a constant determined direction of rotation, while the output mandrel must be able to turn in one direction and the other to ensure either the lowering or the raising of the deck of the awning. For this purpose, one of the rings 24, 28 must be locked in rotation.
: Le choix du sens de rotation du mandrin de sortie est alors lié au choix de la couronne bloquée en rotation. : The choice of the direction of rotation of the output mandrel is then linked to the choice of the crown locked in rotation.
En effet, si la couronne 28 est bloqμée en rotation, alors que la couronne 24 est libre en rotation, les deux porte-satellites 16, 18 tournent ensemble dans le sens de rotation du mandrin d'entrée 6. Inversement, si la couronne 28 est libre en rotation alors que la couronne 24 est bloquée, les deux porte-satellites 16, 18 tournent dans le sens inverse du sens de rotation du mandrin d'entrée 6. Le blocage en rotation de l'une de ces couronnes est obtenu au moyen d'un chariot 30 pourvu de deux paires de dents 32, 34, disposées de manière à saisir l'une 05/028802Indeed, if the crown 28 is locked in rotation, while the crown 24 is free to rotate, the two planet carriers 16, 18 rotate together in the direction of rotation of the input mandrel 6. Conversely, if the crown 28 is free to rotate while the crown 24 is blocked, the two planet carriers 16, 18 rotate in the opposite direction to the direction of rotation of the input mandrel 6. The rotation blocking of one of these crowns is obtained at by means of a carriage 30 provided with two pairs of teeth 32, 34, arranged so as to grip one 05/028802
8 seulement des couronnes 24, 28, l'autre restant libre. Le chariot 30 est mobile en translation de manière à choisir la couronne bloquée. Chaque paire de dents 32, 34 du chariot 30, en pratique, est solidaire d'un crabot 40, 42 susceptible de bloquer respectivement soit la couronne 24, soit la couronne 28, et de telle manière que l'une seulement des couronnes soit bloquée et que 1 ' autre reste libre. A cet effet, chaque crabot 40, 42 et chaque couronne 24, 28 présentent une paroi radiale en regard dentée de façon correspondante. Un moyen de ressort accessoire 9 agissant axialement sur les crabots permet d'assurer la synchronisation des parois radiales dentées en regard entre un crabot et la couronne correspondante.8 only crowns 24, 28, the other remaining free. The carriage 30 is movable in translation so as to choose the locked crown. Each pair of teeth 32, 34 of the carriage 30, in practice, is integral with a dog clutch 40, 42 capable of respectively blocking either the crown 24 or the crown 28, and in such a way that only one of the crowns is blocked and that the other remains free. To this end, each dog clutch 40, 42 and each ring 24, 28 have a correspondingly facing radial wall. An accessory spring means 9 acting axially on the dogs makes it possible to ensure the synchronization of the toothed radial walls opposite between a dog and the corresponding crown.
La translation du chariot 30 est assurée par un moyen de came excentrique 44 coopérant avec une ouverture 46 prévue dans le chariot 30.The translation of the carriage 30 is ensured by an eccentric cam means 44 cooperating with an opening 46 provided in the carriage 30.
Un moyen de roue irréversible 50, par exemple à ressort, à billes ou à rochers, est disposé en sortie du mécanisme pour éviter la chute du tablier du store entre deux manipulations .An irreversible wheel means 50, for example spring, ball or rock, is disposed at the outlet of the mechanism to prevent the awning of the awning from falling between two manipulations.
La manipulation du tablier du store se fait au moyen d'un arbre creux 52 portant la came excentrique 44 pénétrant dans l'ouverture 46 du chariot mobile 30. Une rotation d'un quart de tour ou d'un demi tour de cet arbre 52 entraîne donc le déplacement du chariot 30 et, par suite, le changement de la couronne bloquée et, donc, le changement du sens de rotation du mandrin horizontal de sortie. On a donc bien ainsi un moyen de commande de la montée ou de la descente du tablier du store.The blind apron is manipulated by means of a hollow shaft 52 carrying the eccentric cam 44 penetrating into the opening 46 of the movable carriage 30. A rotation of this shaft 52 by a quarter turn or a half turn therefore causes displacement of the carriage 30 and, consequently, the change of the locked crown and, therefore, the change of the direction of rotation of the horizontal mandrel of exit. There is thus indeed a means for controlling the raising or lowering of the awning apron.
Ensuite, un câble 62 (Figure 5B) , solidaire d'une poignée 60 passe à l'intérieur de l'arbre creux 52 pour servir de moyen de commande pour l'utilisateur. L'extrémité haute du câble, guidée par une poulie folle 54 à axe horizontal, est reliée à une bobine d'entraînement 56 qui transforme l'effort de traction exercé sur le câble 62 par l'utilisateur, en un mouvement de rotation du mandrin horizontal d'entrée 6 par l'intermédiaire d'une roue libre (non représentée sur les Figures) . Un moyen de ressort permet de rappeler la bobine d'entraînement 56 en sa position angulaire de repos .Next, a cable 62 (FIG. 5B), secured to a handle 60 passes inside the hollow shaft 52 to serve as a control means for the user. The upper end of the cable, guided by a mad pulley 54 with a horizontal axis, is connected to a drive coil 56 which transforms the tensile force exerted on the cable 62 by the user, in a movement of rotation of the mandrel horizontal input 6 via a free wheel (not shown in the Figures). A spring means makes it possible to return the drive coil 56 to its angular position of rest.
Lorsque l'utilisateur n'exerce aucune traction sur le câble 62, la poignée 60, rappelée par la poulie d'entraînement 56, vient en butée contre, 1 'arbre creux 52 qui vient s ' enclencher dans une forme 64 prévue sur la poignée 60, de manière à ce que, en cette position, la poignée 60 et l'arbre creux 52 soient liés en rotation.When the user exerts no traction on the cable 62, the handle 60, recalled by the drive pulley 56, abuts against the hollow shaft 52 which comes to engage in a shape 64 provided on the handle 60, so that, in this position, the handle 60 and the hollow shaft 52 are linked in rotation.
Dans un mode de réalisation, la longueur de l'extrémité du câble enroulable" sur la poulie est de l'ordre de 80 cm.In one embodiment, the length of the end of the windable cable " on the pulley is of the order of 80 cm.
Ainsi, l'utilisateur, lorsqu'il a choisi que le tablier du store doit monter ou descendre par une simple rotation de l'arbre 52 au moyen de la poignée 60 qu'il tient dans une main, n'a plus qu'à exercer une ou plusieurs tractions successives sur le câble 62 traversant 1 ' arbre 05/028802Thus, the user, when he has chosen that the curtain of the blind must go up or down by a simple rotation of the shaft 52 by means of the handle 60 which he holds in one hand, only exercise one or more successive pulls on the cable 62 passing through the shaft 05/028802
1010
52. Après chaque ' traction, le câble 6-2 est ravalé automatiquement par la bobine d'entraînement rappelée 56.52. After each traction, the cable 6-2 is cleaned automatically by the drive coil 56 biased.
Une telle traction linéaire aura pour effet de faire tourner la bobine d'entraînement 56 qui va transmettre ce mouvement de rotation aux trains épicycloïdaux 12, 14 qui vont alors transmettre un mouvement de rotation dans un sens ou dans 1 ' autre au mandrin de sortie.Such linear traction will have the effect of rotating the drive coil 56 which will transmit this rotational movement to the planetary gear trains 12, 14 which will then transmit a rotational movement in one direction or the other to the output mandrel.
L'homme de l'art aura compris que l'obtient ainsi un dispositif de commande d'un- store du, type 'monocommando' très simple d'utilisation, peu coûteux à réaliser et, surtout, à encombrement très réduit compatible avec 1 'utilisation d'un boîtier haut conventionnel de store en tôle, par exemple de 25 x 25 millimètres en coupe.Those skilled in the art will have understood that a device for controlling a blind of the “monocommando” type, very simple to use, inexpensive to make and, above all, very compact, compatible with 1, thus obtains it. use of a conventional tall box of sheet metal blind, for example 25 x 25 millimeters in section.
L'originalité de ce mécanisme consiste essentiellement à permettre à 1 ' utilisateur de maintenir sa prise sur l'organe de traction, qu'il veuille monter ou descendre le store, toutes les commandes pouvant donc être effectuées d'une seule main. Le passage du déploiement au repliement du tablier du store est ainsi réalisé par une simple rotation de la tige de manoeuvre.The originality of this mechanism consists essentially in allowing the user to maintain his grip on the traction member, whether he wants to raise or lower the blind, all the commands can therefore be carried out with one hand. The transition from deployment to folding of the awning apron is thus achieved by a simple rotation of the operating rod.
Dans un exemple de réalisation, compte tenu des contraintes d'encombrement, les mandrins horizontaux d'entrée et de sortie étaient pourvus d'un pignon de 12 dents, les deux fois trois engrenages satellites 20, 22 avaient chacun 12 dents et les couronnes 24, 28 avaient 36 dents. Avec une telle configuration à l'identique des deux trains épicycloïdaux 12, 14, on obtient deux rapports différents de réduction : une réduction de 1/4 pour le repliement du tablier et un rapport de 1/2 pour le déploiement du tablier. Ainsi, l'utilisateur voit ses efforts réduits au repliement, tandis qu'il bénéficie d'un déploiement plus rapide et aidé par la gravité.In an exemplary embodiment, taking account of the space constraints, the horizontal input and output mandrels were provided with a 12-tooth pinion, the two times three satellite gears 20, 22 each had 12 teeth and the crowns 24 , 28 had 36 teeth. With such a configuration identical to the two planetary gear trains 12, 14, two ratios are obtained different reduction: a reduction of 1/4 for the folding of the apron and a ratio of 1/2 for the deployment of the apron. Thus, the user sees his efforts reduced to folding, while he benefits from faster deployment and aided by gravity.
Bien que 1 ' on ait représenté et décrit ce que l'on considère actuellement être le mode de réalisation préféré de la présente invention, il est évident que l'Homme de l'Art pourra y apporter différents changements et modifications sans sortir du cadre de la présente invention tel que défini ci-après. Although one has represented and described what is currently considered to be the preferred embodiment of the present invention, it is obvious that a person skilled in the art can make various changes and modifications thereto without departing from the scope of the present invention as defined below.

Claims

R E V E ND I C AT I ON SR E V E ND I C AT I ON S
1 - Dispositif de commande d'un store comportant un tablier déployable verticalement composé de lames horizontales supportées par des échelles souples et terminé par une barre horizontale finale basse dont la position est déterminée au moyen d'au moins deux cordelettes susceptibles d'être enroulées autour d'un mandrin horizontal de sortie d'un module haut transformant un mouvement de rotation d'un mandrin horizontal d'entrée (6) en un autre mouvement de rotation du dit mandrin horizontal de sortie dans un sens déterminé, caractérisé en ce que le dit module haut comprend un premier train epicycloïdal (12) et un second train epicycloïdal (14) disposés en série, chaque train présentant un jeu d'engrenages satellites à axes parallèles (20, 22) et engrenant une couronne (24, 28) enfermant un porte- satellites rotatif (16, 18), le porte-satellites de l'un des dits trains recevant 1 ' une des extrémités des. dits axes, tandis que le porte-satellites de l'autre des dits trains reçoit l'autre extrémité des dits axes, la rotation des engrenages satellites de l'un des dits trains étant inversée par rapport à celle des engrenages satellites de l'autre des dits trains par engrènement mutuel, les engrenages satellites (22) du second porte-satellites rotatif (18) étant entraînés en rotation par le mandrin horizontal d'entrée (6), tandis que le second porte- satellites rotatif (18) est solidaire en rotation du mandrin horizontal de sortie.1 - Control device for a blind comprising a vertically deployable apron composed of horizontal blades supported by flexible ladders and terminated by a low final horizontal bar whose position is determined by means of at least two cords capable of being wrapped around of a horizontal output mandrel of a high module transforming a rotational movement of a horizontal input mandrel (6) into another rotational movement of said horizontal output mandrel in a determined direction, characterized in that the said top module comprises a first epicyclic train (12) and a second epicyclic train (14) arranged in series, each train having a set of satellite gears with parallel axes (20, 22) and meshing a crown (24, 28) enclosing a rotary planet carrier (16, 18), the planet carrier of one of said trains receiving one of the ends of the. said axes, while the planet carrier of the other of said trains receives the other end of said axes, the rotation of the satellite gears of one of said trains being reversed with respect to that of the satellite gears of the other said trains by mutual meshing, the satellite gears (22) of the second rotary planet carrier (18) being rotated by the horizontal input mandrel (6), while the second carrier rotary satellite (18) is integral in rotation with the horizontal output mandrel.
2 - Dispositif de commande de store selon la revendication 1, caractérisé en ce que le blocage en rotation de l'une des dites couronnes (24, 28) détermine le sens de rotation du dit mandrin horizontal de sortie.2 - blind control device according to claim 1, characterized in that the blocking in rotation of one of said crowns (24, 28) determines the direction of rotation of said horizontal outlet mandrel.
3 - Dispositif de commande de store selon la revendication 2, caractérisé en ce que le dit blocage en rotation de l'une des dites couronnes (24, 28) est obtenu au moyen d'un chariot (30) pourvu de deux paires de dents (32, 34) et mobile horizontalement en translation, de manière à bloquer l'une seulement des dites couronnes (24, 28), l'autre restant libre.3 - blind control device according to claim 2, characterized in that said rotation blocking of one of said crowns (24, 28) is obtained by means of a carriage (30) provided with two pairs of teeth (32, 34) and movable horizontally in translation, so as to block only one of said crowns (24, 28), the other remaining free.
4 - Dispositif de commande de store selon la revendication 3, caractérisé en ce que le 'dit chariot (30) est solidaire d'une paire de crabots (40, 42) susceptibles de bloquer les dites couronnes (24, 28) , de telle manière que l'une seulement des dites couronnes soit bloquée et que 1 ' autre reste libre .4 - blind control device according to claim 3, characterized in that the ' said carriage (30) is integral with a pair of dogs (40, 42) capable of blocking said crowns (24, 28), such so that only one of the said crowns is blocked and the other remains free.
5 - Dispositif de commande de store selon la revendication 4, caractérisé en ce que chaque crabot (40, 42) et chaque couronne (24, 28) présentent une paroi radiale en regard dentée de façon correspondante.5 - blind control device according to claim 4, characterized in that each dog (40, 42) and each ring (24, 28) have a radial wall facing correspondingly toothed.
6 - Dispositif de commande de store selon la revendication 3, 4 ou 5, caractérisé en ce que le déplacement horizontal du dit chariot (30) est commandé par une came excentrique (44) . 7 - Dispositif de commande de store selon l'une quelconque des revendications précédentes, caractérisé en ce que le dit mandrin horizontal d'entrée (6) est commandé en rotation par traction d'un câble d'entraînement (62) dont une extrémité est enroulée au repos sur une bobine d'entraînement rappelée (56) et folle en rotation dans un sens déterminé. 8 - Dispositif de commande d'un store selon les revendications 6 et 7, caractérisé en ce que le dit câble d'entraînement (62) traverse un arbre creux (52) portant la dite came excentrique (44) en son extrémité supérieure et dont l'autre extrémité vient s'enclencher, au repos, dans une forme. (64) prévue sur une poignée (60) de commande du dit câble .6 - blind control device according to claim 3, 4 or 5, characterized in that the horizontal movement of said carriage (30) is controlled by an eccentric cam (44). 7 - blind control device according to any one of the preceding claims, characterized in that said horizontal input mandrel (6) is controlled in rotation by traction of a drive cable (62) one end of which is wound at rest on a recalled drive coil (56) and idle in rotation in a determined direction. 8 - Device for controlling a blind according to claims 6 and 7, characterized in that said drive cable (62) passes through a hollow shaft (52) carrying said eccentric cam (44) at its upper end and of which the other end is engaged, at rest, in a form. (64) provided on a handle (60) for controlling said cable.
9 - Dispositif de commande de store selon l'une quelconque des revendications précédentes, caractérisé en ce que le mandrin horizontal de sortie est relié à une roue irréversible (50) formant anti-chute.9 - blind control device according to any one of the preceding claims, characterized in that the horizontal outlet mandrel is connected to an irreversible wheel (50) forming anti-fall.
10 - Dispositif de commande de store selon l'une quelconque des revendications précédentes, caractérisé en ce que les dits deux trains épicycloïdaux (12, 14) disposés en série présentent des rapports de réduction différents au déploiement et au repliement du dit tablier. 10 - blind control device according to any one of the preceding claims, characterized in that the said two planetary gear trains (12, 14) arranged in series have different reduction ratios in the deployment and folding of said deck.
EP04786280A 2003-09-05 2004-08-06 Device for controlling a venetian blind Not-in-force EP1660750B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0310570A FR2859494A1 (en) 2003-09-05 2003-09-05 Blind e.g. Venetian blind, control device, has cable with handle rotatably connected to hollow shaft, and reel drive transforming traction effort exerted by user on cable into rotational movement of horizontal input mandrel
PCT/FR2004/002107 WO2005028802A1 (en) 2003-09-05 2004-08-06 Device for controlling a venetian blind

Publications (2)

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EP1660750A1 true EP1660750A1 (en) 2006-05-31
EP1660750B1 EP1660750B1 (en) 2008-04-23

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EP04786280A Not-in-force EP1660750B1 (en) 2003-09-05 2004-08-06 Device for controlling a venetian blind

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US (1) US7360574B2 (en)
EP (1) EP1660750B1 (en)
AT (1) ATE393289T1 (en)
DE (1) DE602004013343T2 (en)
ES (1) ES2305860T3 (en)
FR (1) FR2859494A1 (en)
WO (1) WO2005028802A1 (en)

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US20120305200A1 (en) * 2011-06-03 2012-12-06 Tai-Ping Liu Safe Window Blind
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Also Published As

Publication number Publication date
US20060283561A1 (en) 2006-12-21
FR2859494A1 (en) 2005-03-11
DE602004013343D1 (en) 2008-06-05
ATE393289T1 (en) 2008-05-15
US7360574B2 (en) 2008-04-22
DE602004013343T2 (en) 2009-05-20
WO2005028802A1 (en) 2005-03-31
ES2305860T3 (en) 2008-11-01
EP1660750B1 (en) 2008-04-23

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