EP0133495B1 - Blind with tiltable lamellae - Google Patents

Blind with tiltable lamellae Download PDF

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Publication number
EP0133495B1
EP0133495B1 EP84108569A EP84108569A EP0133495B1 EP 0133495 B1 EP0133495 B1 EP 0133495B1 EP 84108569 A EP84108569 A EP 84108569A EP 84108569 A EP84108569 A EP 84108569A EP 0133495 B1 EP0133495 B1 EP 0133495B1
Authority
EP
European Patent Office
Prior art keywords
shutter
push bar
blind
elements
closed condition
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.)
Expired
Application number
EP84108569A
Other languages
German (de)
French (fr)
Other versions
EP0133495A2 (en
EP0133495A3 (en
Inventor
Wilhelm Fritz Morschheuser
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.)
Rogal Gesellschaft fur Angewandte Lufttechnik Mbh
Original Assignee
ROBERTSON GAL GmbH
Rogal Gesellschaft fur Angewandte Lufttechnik Mbh
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 ROBERTSON GAL GmbH, Rogal Gesellschaft fur Angewandte Lufttechnik Mbh filed Critical ROBERTSON GAL GmbH
Publication of EP0133495A2 publication Critical patent/EP0133495A2/en
Publication of EP0133495A3 publication Critical patent/EP0133495A3/en
Application granted granted Critical
Publication of EP0133495B1 publication Critical patent/EP0133495B1/en
Expired legal-status Critical Current

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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
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • E06B7/08—Louvre doors, windows or grilles
    • E06B7/084—Louvre doors, windows or grilles with rotatable lamellae
    • E06B7/086—Louvre doors, windows or grilles with rotatable lamellae interconnected for concurrent movement
    • 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

Definitions

  • the invention relates to an adjustable venetian blind, the venetian blind elements of which can be pivoted about axes extending in their longitudinal direction from a closed position, in which they overlap one another, into a maximum open position and vice versa, by means of levers at angled articulation points spaced from their pivoting axes are articulated with a push rod that is only displaceable parallel to the level of the blind to form parallelogram linkages, the push rod being arranged next to one of the two narrow sides of the blind.
  • Venetian blinds of this type are known in numerous embodiments. From the closed position, in which the blind elements overlap each other, they migrate sideways with increasing distance from their pivot axes. In order to be able to guide the push rod intended for its actuation only parallel to the blind level, it is connected to the articulation points of the blind elements via levers.
  • the levers form acute angles in the open position of the venetian blind elements with the actuating rod, which increase with increasing closing of the venetian blind elements until they are almost rectangular in the closed position. This means that the push rod can only be moved with little effort in the vicinity of the open position, in which the force applied to the push rod can be effectively converted into movement of the blind elements.
  • the invention is based on the task of achieving a precise adjustment of the blind elements even in confined spaces on the narrow side of the blind.
  • the setting forces should be as low as possible in any position of the blind elements.
  • the push rod can first be arranged at a very small distance from the blind level.
  • the particularly acute-angled levers allow force to be applied, which ensures that they can be easily adjusted almost independently of the opening position of the blind elements, i.e. also in the vicinity of the closing position.
  • the Venetian blind elements can thus be precisely adjusted into their respective position even if they are very extensive, so that, for example, a completely closed wall surface with overlapping Venetian blind elements can also be formed. The ease of movement is of great importance. Since the push rod can be arranged in one of the two narrow sides of the blind, the space requirement is small.
  • the closed position of the blind elements is achieved in a particularly reliable manner in that they are produced in a double-walled manner from shells which are parallel to one another, the peripheral edges of which have mutually complementary steps which overlap in the closed position. In connection with a stop of the push rod acting in the closed position, this not only results in a flat wall surface but also in a closed wall, which form the blind elements in their closed position.
  • the new jalouse exists within a wall opening that is delimited by the opening edges 15 and 16. It is an opening provided in a vertical building wall.
  • three blind elements 10 are provided, which are shown with excellent lines in their closed position.
  • the middle of these blind elements is shown with dash-dotted lines in its maximum opening position 10 ', in which it occupies a horizontal position.
  • the blind elements form the completely flat blind plane 7 in their closed position. They overlap each other with their edge steps 14 after they have been pivoted about their respective axes 13.
  • the parallelogram linkage formed with the cooperation of the push rod 5 with its levers 2 serves this purpose.
  • the push rod 5 is free of play in the guides 17 such that it can only move in the direction of the degree of freedom 8, which is illustrated by a double file.
  • the levers 2 engage in bearings 6 located on the push rod 5.
  • a parallelogram linkage is thus formed in each case from two successive bearings 6, with levers 2 proceeding therefrom and two corresponding, successive articulation points 1.
  • the angle between the push rod 5 and the levers 2 is in each Position of the levers at an acute angle.
  • the angles designated 3 and 4 correspond to the closed position or the maximum open position 10 '.
  • the blind elements 10 of the blind 9 are designed with double shells, the gap between the outer and inner shells still being filled with a sound and heat insulating agent.
  • the axes 13 are fastened in the narrow sides of the blind element 10 and held in bearings, not shown in the drawing, provided in a frame of the wall opening.
  • the respective inner shell of a blind element is provided in the vicinity of its upper edge with a tab 11, which forms a bearing eye of the joint for the attack of a lever 2.
  • the vertical distance 12 between the blind plane 7 and the push rod 5 can be selected very closely. Since the push rod does not experience any lateral deflection, this dimension is kept exactly even in very confined spaces.

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

Description

Die Erfindung bezieht sich auf eine verstellbare Jalousie, deren Jalousieelemente um sich in ihrer Längsrichtung erstreckende Achsen aus einer Schließlage, in der sie einander überdecken, in eine maximale Öffnungslage sowie umgekehrt dazu verschwenkbar sind, indem sie an von ihren Verschwenkachsen beabstandeten, abgewinkelten Gelenkstellen über Hebel mit einer nur parallel zur Jalousieebene verschieblich geführten Schubstange unter Bildung von Parallelogrammgestängen gelenkig verbunden sind, wobei die Schubstange neben einer der beiden Schmalseiten der Jalousie angeordnet ist.The invention relates to an adjustable venetian blind, the venetian blind elements of which can be pivoted about axes extending in their longitudinal direction from a closed position, in which they overlap one another, into a maximum open position and vice versa, by means of levers at angled articulation points spaced from their pivoting axes are articulated with a push rod that is only displaceable parallel to the level of the blind to form parallelogram linkages, the push rod being arranged next to one of the two narrow sides of the blind.

Jalousien dieser Art sind in zahlreichen Ausführungsformen bekannt. Aus der Schließlage, in welcher sich die Jalousieelemente gegenseitig überdecken, wandern sie mit zunehmendem Abstand von ihren Verschwenkachsen seitlich aus. Um die für ihre Betätigung vorgesehene Schubstange nur parallel zur Jalousieebene führen zu können, wird sie über Hebel mit den Gelenkstellen der Jalousielemente verbunden. Die Hebel bilden bei einer verstellbaren Jalousie nach der US-A-2 581 465 in der Öffnungsstellung der Jalousieelemente mit der Betätigungsstange spitze Winkel, die sich mit zunehmender Schließung der Jalouseelemente vergrößern, bis sie in der Schließstellung nahezu bereits rechtwinklig sind. Somit lassen sich Verschiebungen der Schubstange mit geringem Kraftaufwand nur in Nähe der Öffnungsstellung ausführen, in welcher sich der Kraftangriff an der Schubstange wirkungsvoll in Bewegung der Jalousieelemente umsetzen läßt. In Nähe der Schließstellung ist dies jedoch wegen des bereits sehr groß gewordenen, spitzen Winkels zudem nur dann mit vertretbarer Kraft möglich, wenn auf Grund der Abstandslage zwischen dem Jalousiegelenk und der Führungsbahn der Schubstange ein ausreichendes Drehmoment übertragen werden kann. Dies bedingt einen entsprechenden Platzbedarf an der hierfür wenig geeigneten Schmalseite der Jalousie.Venetian blinds of this type are known in numerous embodiments. From the closed position, in which the blind elements overlap each other, they migrate sideways with increasing distance from their pivot axes. In order to be able to guide the push rod intended for its actuation only parallel to the blind level, it is connected to the articulation points of the blind elements via levers. In the case of an adjustable venetian blind according to US Pat. No. 2,581,465, the levers form acute angles in the open position of the venetian blind elements with the actuating rod, which increase with increasing closing of the venetian blind elements until they are almost rectangular in the closed position. This means that the push rod can only be moved with little effort in the vicinity of the open position, in which the force applied to the push rod can be effectively converted into movement of the blind elements. In the vicinity of the closed position, however, this is only possible with reasonable force due to the already very large, acute angle if sufficient torque can be transmitted due to the distance between the blind joint and the guide track of the push rod. This requires a corresponding amount of space on the narrow side of the blind, which is unsuitable for this purpose.

Der Erfindung liegt demgegenüber die Aufgabenstellung zugrunde, zu einer präzisen Einstellung der Jalousieelemente auch bei beengten Platzverhältnissen an der Schmalseite der Jalousie zu kommen. Die Einstellkräfte sollen in jeder Lage der Jalousieelemente möglichst gering sein. Andererseits sollen auch sehr breite Jalousieelemente mit einer senkrecht zu ihren Verschwenkachsen bestehenden Erstreckung von 400 mm und mehr betätigbar sein.In contrast, the invention is based on the task of achieving a precise adjustment of the blind elements even in confined spaces on the narrow side of the blind. The setting forces should be as low as possible in any position of the blind elements. On the other hand, it should also be possible to actuate very wide blind elements with an extension of 400 mm and more perpendicular to their pivot axes.

Die Erfindung löst diese Aufgabenstellung durch die in den Patentansprüchen gekennzeichneten Vorschläge.The invention solves this problem by the proposals characterized in the claims.

Auf diese Weise läßt sich zunächst die Schubstange in nur sehr geringem Abstand von der Jalousieebene anordnen. Die besonders spitzwinklig angreifenden Hebel ermöglichen eine Krafteinleitung, die nahezu unabhängig von der Öffnungslage der Jalousieelemente, also auch in Nähe der Schließlage, eine leichte Verstellbarkeit derselben gewährleistet. Die Jalousieelemente lassen sich somit auch dann, wenn sie sehr ausgedehnt sind, präzise in ihre jeweilige Lage einstellen, so daß beispielsweise auch eine vollständig geschlossene Wandfläche mit sich überdeckenden Jalousieelementen gebildet werden kann. Der Leichtgängigkeit der Verstellbewegung kommt hierbei erhebliche Bedeutung zu. Da die Schubstange in einer der beiden Schmalseiten der Jalousie angeordnet werden kann, ist der Platzbedarf gering.In this way, the push rod can first be arranged at a very small distance from the blind level. The particularly acute-angled levers allow force to be applied, which ensures that they can be easily adjusted almost independently of the opening position of the blind elements, i.e. also in the vicinity of the closing position. The Venetian blind elements can thus be precisely adjusted into their respective position even if they are very extensive, so that, for example, a completely closed wall surface with overlapping Venetian blind elements can also be formed. The ease of movement is of great importance. Since the push rod can be arranged in one of the two narrow sides of the blind, the space requirement is small.

Die Schließlage der Jalousieelemente wird besonders zuverlässig dadurch erreicht, daß sie doppelwandig aus jeweils zueinander parallelen Schalen hergestellt werden, wobei deren Randkanten zueinander komplementäre, sich in Schließlage überdeckende Stufen aufweisen. In Verbindung mit einem in der Schließlage wirkenden Anschlag der Schubstange kommt man somit nicht nur zu einer ebenen Wandfläche sondern auch zu einer geschlossenen Wand, welche die Jalousieelemente in ihrer Schließlage bilden.The closed position of the blind elements is achieved in a particularly reliable manner in that they are produced in a double-walled manner from shells which are parallel to one another, the peripheral edges of which have mutually complementary steps which overlap in the closed position. In connection with a stop of the push rod acting in the closed position, this not only results in a flat wall surface but also in a closed wall, which form the blind elements in their closed position.

Um auch in der Öffnungsstellung eine gleichmäßige Ausrichtung der Jalousieelemente zu erzielen, ist es ausreichend, in letzterer ebenfalls einen Anschlag für die Schubstange vorzusehen, der eine leichte Festlegung derselben ermöglicht.In order to achieve a uniform alignment of the blind elements even in the open position, it is sufficient to also provide a stop for the push rod in the latter, which enables the same to be fixed easily.

Zur weiteren Veranschaulichung der Erfindung wird auf die sich auf Ausführungsbeispiele beziehende Zeichnung Bezug genommen.To further illustrate the invention, reference is made to the drawing relating to exemplary embodiments.

Die neue Jalouse besteht innerhalb einer Wandöffnung, die von den Öffnungskanten 15 und 16 begrenzt ist. Es handelt sich dabei um eine in einer vertikalen Gebäudewand vorgesehene Öffnung.The new jalouse exists within a wall opening that is delimited by the opening edges 15 and 16. It is an opening provided in a vertical building wall.

Gemäß dem Ausführungsbeispiel sind drei Jalousieelemente 10 vorgesehen, die mit ausgezeichneten Linien in ihrer Schließlage wiedergegeben sind. Das mittlere dieser Jalousieelemente ist mit strichpunktierter Linienführung in seiner maximalen Öffnungslage 10' dargestellt, in welcher es eine horizontable Lage einnimmt. Im übrigen bilden die Jalousieelemente in ihrer Schließlage die völlig ebene Jalousieebene 7. Sie überdecken einander dabei mit ihren randseitigen Stufen 14, nachdem sie um ihre jeweiligen Achsen 13 verschwenkt wurden. Diesem Zweck dient das unter Mitwirkung der Schubstange 5 mit deren Hebeln 2 gebildete Parallelogrammgestänge. Die Schubstange 5 ist dabei spielfrei in den Führungen 17 derart beweglich, daß sie sich lediglich in Richtung des Freiheitsgrades 8, der durch einen Doppelfeil veranschaulicht ist, bewegen kann. Die Hebel 2 greifen in an der Schubstange 5 befindlichen Lagern 6 an. Somit kommt jeweils ein Parallelogrammgestänge zustande aus zwei aufeinander folgenden Lagern 6, mit davon ausgehenden Hebeln 2 und zwei ebtsprechenden, aufeinander folgenden Gelenkstellen 1. Der Winkel zwischen der Schubstange 5 und den Hebeln 2 ist in jeder Stellung der Hebel spitzwinklig. Die mit 3 und 4 bezeichneten Winkel entsprechen der Schließlage bzw. der Maximalen Öffnungslage 10'.According to the exemplary embodiment, three blind elements 10 are provided, which are shown with excellent lines in their closed position. The middle of these blind elements is shown with dash-dotted lines in its maximum opening position 10 ', in which it occupies a horizontal position. Otherwise, the blind elements form the completely flat blind plane 7 in their closed position. They overlap each other with their edge steps 14 after they have been pivoted about their respective axes 13. The parallelogram linkage formed with the cooperation of the push rod 5 with its levers 2 serves this purpose. The push rod 5 is free of play in the guides 17 such that it can only move in the direction of the degree of freedom 8, which is illustrated by a double file. The levers 2 engage in bearings 6 located on the push rod 5. A parallelogram linkage is thus formed in each case from two successive bearings 6, with levers 2 proceeding therefrom and two corresponding, successive articulation points 1. The angle between the push rod 5 and the levers 2 is in each Position of the levers at an acute angle. The angles designated 3 and 4 correspond to the closed position or the maximum open position 10 '.

Die Jalousieelemente 10 der Jaousie 9 sind im Ausführungsbeispiel doppelschalig ausgeführt, wobei der Spalt zwischen der äußeren und inneren Schale noch mit einem Schall- und Wärmeisoliermittel ausgefüllt ist. Die Achsen 13 sind in den Schmalseiten der Jalousieelement 10 befestigt und in zeichnerisch nicht dargestellten, bei einem Rahmen der Wandöffnung vorgesehenen Lager gehalten. Die jeweils innere Schale eines Jalousieelementes ist in Nähe ihrer oberen Kante mit einer Lasche 11 versehen, die ein Lagerauge der Gelenkstelle für den Angriff eines Hebels 2 bildet.In the exemplary embodiment, the blind elements 10 of the blind 9 are designed with double shells, the gap between the outer and inner shells still being filled with a sound and heat insulating agent. The axes 13 are fastened in the narrow sides of the blind element 10 and held in bearings, not shown in the drawing, provided in a frame of the wall opening. The respective inner shell of a blind element is provided in the vicinity of its upper edge with a tab 11, which forms a bearing eye of the joint for the attack of a lever 2.

Aus Übersichtlichkeitsgründen wurden für das Ausführungsbeispiel für wiederkehrende Merkmale nur jeweils ein Bezugszeichen verwendet. Dieses gilt indes in gleicher Weise für die übrigen, damit übereinstimmenden Teile der neuen Jalousie.For reasons of clarity, only one reference symbol was used for the exemplary embodiment for recurring features. This applies in the same way to the other, matching parts of the new blind.

Wie schon beschriebern wurde, läßt sich der senkrechte Abstand 12 zwischen der Jalousieebene 7 und der Schubstange 5 sehr eng wählen. Da die Schubstange keinerlei seitliche Auslenkung erfährt, wird dieses Maß auch bei sehr beengten Platzverhältnissen genau eingehatten.As has already been described, the vertical distance 12 between the blind plane 7 and the push rod 5 can be selected very closely. Since the push rod does not experience any lateral deflection, this dimension is kept exactly even in very confined spaces.

Claims (3)

1. Adjustable shutter, the shutter elements (10) of which are slewable about same in the axes (13) extending in their longitudinal direction from a closed condition, in which they overlap, to a maximum opening condition (10') as well as vice-versa, said shutter elements being jointed with a hinge at their articulations (1), which are offset and spaced relatively to their swivel axes, via lever (2) to a push bar (5) shiftably guided only parallel to the shutter plane (7) forming thus parallel bars, the push bar being arranged next to one of the two narrow sides of the shutter (9),
characterized in that
the push bar (5) is guided at such a distance from the shutter plane (7) that it intersects upon swivelling of the shutter plane (10) the arcs of circle described by the articulations (1) between their closed condition and their maximum opening condition (10'), and that the lever (2) forms such an acute angle with the push bar (5) both in closed condition and in opening condition of the shutter elements (10) that an extremely high percentage of the force induced in the push bar is transmitted via the lever to the articulation of the shutter elements.
2. Adjustable shutter according to claim 1,
characterized in that
the shutter elements (10) are double-walled and consist of parallel shells, that their border edges feature complementary steps (14) which are overlapped in the closed condition, and that an effective stop for the push bar (5) exists in this closed condition.
3. Adjustable shutter according to claim 1,
characterized in that
an additional stop for the push bar (5) exists in a position which corresponds to the maximum opening condition (10') of the shutter elements (10) vertically to the shutter plane (7).
EP84108569A 1983-08-06 1984-07-20 Blind with tiltable lamellae Expired EP0133495B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3328505A DE3328505A1 (en) 1983-08-06 1983-08-06 ADJUSTABLE SHUTTER
DE3328505 1983-08-06

Publications (3)

Publication Number Publication Date
EP0133495A2 EP0133495A2 (en) 1985-02-27
EP0133495A3 EP0133495A3 (en) 1986-02-05
EP0133495B1 true EP0133495B1 (en) 1988-09-21

Family

ID=6205998

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84108569A Expired EP0133495B1 (en) 1983-08-06 1984-07-20 Blind with tiltable lamellae

Country Status (2)

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EP (1) EP0133495B1 (en)
DE (2) DE3328505A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3500114A1 (en) * 1985-01-04 1986-07-10 Arthur 8000 München Klemt Device for fastening, opening and closing frameless multipane insulating glazings or the like arranged in horizontal position in a scale-like manner transversely to the support construction
DE4422910C2 (en) * 1994-06-30 1998-01-29 Zimmermann Franz Josef Slat roof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2581465A (en) * 1950-02-07 1952-01-08 Arnold Products Inc Window construction
US3500583A (en) * 1968-09-10 1970-03-17 Colin James Mckinnon Louvered building structures
DE2659741C3 (en) * 1976-12-31 1980-11-13 Josef Ing.(Grad.) 8700 Wuerzburg Rupprecht Louvre windows

Also Published As

Publication number Publication date
DE3328505A1 (en) 1985-02-21
EP0133495A2 (en) 1985-02-27
EP0133495A3 (en) 1986-02-05
DE3474186D1 (en) 1988-10-27

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