EP0096518B1 - Jalousiebausatz - Google Patents

Jalousiebausatz Download PDF

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Publication number
EP0096518B1
EP0096518B1 EP19830303073 EP83303073A EP0096518B1 EP 0096518 B1 EP0096518 B1 EP 0096518B1 EP 19830303073 EP19830303073 EP 19830303073 EP 83303073 A EP83303073 A EP 83303073A EP 0096518 B1 EP0096518 B1 EP 0096518B1
Authority
EP
European Patent Office
Prior art keywords
slat
venetian blind
blind assembly
longitudinal side
slats
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
EP19830303073
Other languages
English (en)
French (fr)
Other versions
EP0096518A2 (de
EP0096518A3 (en
Inventor
Francis Vecchiarelli
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.)
Hunter Douglas Industries BV
Original Assignee
Hunter Douglas Industries BV
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 Hunter Douglas Industries BV filed Critical Hunter Douglas Industries BV
Publication of EP0096518A2 publication Critical patent/EP0096518A2/de
Publication of EP0096518A3 publication Critical patent/EP0096518A3/en
Application granted granted Critical
Publication of EP0096518B1 publication Critical patent/EP0096518B1/de
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
    • 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
    • E06B9/307—Details of tilting bars and their operation
    • 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

Definitions

  • This invention relates to a venetian blind assembly having a plurality of slats and slat support means for individually supporting the slats where the slat support means include longitudinal side members.
  • ladder tapes which usually comprise parallel tape cables spaced a slat width apart and which are connected by cross ladders or rungs.
  • the tape cables are secured at their lower end to a bottom rail, which is connected to a fixed bottom frame member of an opening.
  • This arrangement however is not adaptable for use with inclined venetian blind assemblies or skylight assemblies which extend in a horizontal direction, since the tape ladders are usually slack and incapable of preventing the slats of the assembly from sagging.
  • a venetian blind assembly comprising a plurality of slats wherein the assembly is adapted to be connected, at opposite ends extending parallel to the slats, to fixed frame members, and further comprising at least two slat support means for individually tiltably supporting said slats with each slat support means comprising two longitudinal side members and means to support said slats, and slat tilt means connected to one end of said slat support means; characterized in that the two slat support means are operatively interconnected and in that resilient means are provided to impart tension directly in all of the longitudinal side members at least during tilting of the slats.
  • connection means that the longitudinal side members of one slat support means are joined to the longitudinal side members of the other support means by a connection, so that the tension provided by the resilient means is transmitted thereby between said side members at all positions of tilt of the slats.
  • the connection may itself include the resilient means, or the resilient means may be. operatively included in the slat support means.
  • Such a venetian blind assembly is readily adaptable for use with skylights or in inclined openings as well as in venetian blind arrangements where the slats extend perpendicularly rather than horizontally as in the conventional blind constructions and when mounted is properly held in position and operable by way of a simple, easily mountable and operable arrangement. It may be conveniently moved across a skylight or inclined opening in order to provide convenient cleaning of the skylight or pane covering an inclined opening.
  • the blind of DE-U-6945619 includes at least one closed loop tilt cord which is kept taut by at least one spring and the blind of DE-B-1251507 includes a spring to tension the lift cord of the blind, at all lift positions of the bottom rail, the two slat supports are not interconnected in either construction and the springs are not provided in such a way as to impart tension in all of the side members at least during tilting as with the construction of the present invention.
  • the slats may be supported by the longitudinal side members in all degrees of orientation including a horizontal position, as would occur when used to cover a skylight, or an inclined opening.
  • the blind assembly according to the invention may also be used in a vertical arrangement, that is where the longitudinal axes of the slats extend vertically, or in the more conventional horizontal arrangement where the plane of the assembly of slats is vertical and the longitudinal axes of the slats extend horizontally.
  • additional means are preferably included to either connect the slats fixedly to the side members or tape ladders, or to support the lower end of the slats.
  • each support means are operatively connected together and a resilient means, for example a tension spring, operatively connects the longitudinal side members of one slat support means to the longitudinal side members of another slat support means to impart tension in all the longitudinal members.
  • a resilient means for example a tension spring
  • the longitudinal members of one slat support means may be connected together and extend over a pulley which is connected by a resilient means to a further pulley over which the longitudinal side members of the other slat support means extend.
  • a further form of the invention involves having ends of two longitudinal side members of one slat support means connected to a bracket in turn connected by a resilient means to a further bracket connected to ends of the two longitudinal side members of the other slat support means.
  • a still further form of the invention involves having longitudinal side members of one slat supporting means on both sides of the assembly of slats each connected by a resilient means to a longitudinal side member of another slat supporting means and on the opposite side of the assembly of slats. In this manner, as well as in the previously described embodiments, tension is maintained constant in the longitudinal side member during all degrees of tilting of the slats by the slat tilt means.
  • the longitudinal side members on the same side of a blind assembly and of two slat supporting means are operatively connected together by a resilient means such that alternate tension exists between the longitudinal side members on one side of the blind assembly from the tension in the longitudinal side members on the other side of the blind assembly as occurs during tilting of the slats by the slat tilt means.
  • Tension still exists in all members during tilting but tension will vary depending on the degree of tilt.
  • the longitudinal side members each comprise a tape cable forming part of a tape ladder and the means supporting the slats comprise rungs extending between cables spaced apart a slat width.
  • the longitudinal side members could also comprise cables connected directly to the slats.
  • the slat tilt means are preferably contained within a first headrail adapted to be connected to a fixed frame member and the resilient means in a second headrail adapted to be connected to a further fixed frame member.
  • One of the headrails preferably but not necessarily the headrail containing the resilient means, is detachably connected to the fixed frame member in order that when disconnected, the headrail and plurality of slats may be moved towards the other headrail to allow cleaning of the skylight or pane covered by the blind assembly.
  • a slat moving means similar to a conventional slat lift means connects the two headrails.
  • the slats In order to prevent the detachable headrail and slats from falling when the detachable headrail is disconnected from its fixed frame member, the slats have support portions on each of their ends adapted to slide on fixed side frame members extending between the fixed end frame members which support portions preferably are in the form of notches in the ends of the slats with a side of the notch sliding on the side frame member extending along the tilt axis of the slat.
  • the detachable headrail also has slide portions adapted to slide on the same fixed side frame members to provide support for the rail when it is detached from its fixed end frame member.
  • the headrail containing the resilient means also may have a plurality of rollers therein over which the individual longitudinal side members may extend.
  • FIG. 1 there is illustrated a venetian blind assembly 1 constructed according to the invention as applied to a skylight opening formed by fixed end frame members 2 and 3 and fixed side frame members 4 and 5.
  • the blind assembly comprises a plurality of individual slats 6 each supported by two slat support means 7 and 8.
  • Slat support means 7 as shown in Figure 3 has two longitudinal side members 9 and 10 while slat support means 8 has two longitudinal side members 11 and 12.
  • the longitudinal side members have means thereon to support the slats, which in the drawings shown, comprise rungs 13 extending between spaced longitudinal side members of the same slat support means and between which a slat is inserted.
  • the slat support means illustrated thus comprises a conventional ladder tape where the tape cables form longitudinal side members. While a tape ladder is shown on a slat support means, it is to be understood that the longitudinal side members could be connected by clips or other means directly to each slat thus eliminating any need of rungs.
  • the venetian blind assembly as shown in Figure 1 also has a first headrail 15 containing a conventional slat tilt bar means (not shown) operated by a lever 16. An end of each slat support means 7 and 8 is connected to the tilt bar means. Headrail 15 is fixed by way of brackets 17 to the fixed end frame member 2.
  • a second headrail 18 is detachably connected by brackets 19 to the fixed end frame member 3 and, as shown in Figure 3, connects with the slat support means 7 and 8 by way of rollers 20, 20', 21 and 21' journalled to the headrail 18.
  • the longitudinal side members 9 and 10 of the slat support means 7 are operatively connected respectively to the longitudinal side members 11 and 12 of the slat support means 8 by resilient tension means in the form of tension springs 30 and 31.
  • the result is that all the longitudinal side members 9, 10, 11 and 12 will be under tension such that they may support the slats 6 regardless of the orientation of the blind assembly, that is not withstanding whether the assembly extends horizontally as occurs when used with a skylight, is inclined to a vertical plane or is in a vertical plane with the slats extending either vertically or horizontally.
  • longitudinal side member-resilient means connection arrangements by which the tension in all the longitudinal side members remains constant during tilting of the slats and regardless of the degree of tilting.
  • the longitudinal side members 9 and 10 of the slat support means 7 are joined together by a coupling 50 and extend over a pulley 51 while the longitudinal side members 11 and 12 of the slat support means 8 are joined together by a coupling 52 and extend over a pulley 53.
  • Pulleys 51 and 53 are operatively connected by a resilient means in the form of a tension spring 55 which will impart the same tension in all the members 9, 10, 11 and 12.
  • the members 9 and 10 are operatively joined together by a bracket 60 while members 11 and 12 are operatively joined together by a further bracket 61 where both brackets are semi-circular in shape.
  • a tension spring 62 connects the brackets 60 and 61 so that all the members 9-12 are under the same tension during all degrees of tilting of the slats to provide the force necessary to prevent the slats from sagging.
  • the side members are connected to each bracket at points 63 which are in alignment with point 64 where the spring 62 connects with the bracket which increases the stability of the arrangement, allows for better closure of the slats and reduces excess stress on the side members during extreme tilt positions when the side members of a single slat support means move towards each other.
  • rollers 65 and 65' over which the side members extend have guide flanges 66 and 66' thereon and the rollers of a single support means are mounted for movement axially with respect to each other.
  • the rollers 65 and 65' could be fixed against relative axial movement and the distance between the guide flanges of each roller increased to allow the individual side members to slide axially on the surface of the rollers to move towards and away from each other during tilting of the slats as with the embodiments of Figures 4 and 5.
  • the spring 62 has a clip at each end which extends through the point 64 so that arms 67 and 68 of the clip extend below and over a bracket to prevent its turning about the point 64 in a plane other than one containing the axes of the rollers 65, 65' and 66, 66'.
  • FIG. 7 also provides constant tension during all degrees of tilting.
  • a longitudinal side member on one side of the blind assembly and of one slat support means is operatively connected by a resilient means to a longitudinal side member of the other slat supporting means on the opposite side of the blind assembly.
  • member 10 of slat supporting means 7 is operatively connected by resilient means 71 to member 11 of slat supporting means 8 while member 9 is operatively connected by resilient means 70 to member 12.
  • the longitudinal side members on one side of the blind assembly will tend to be tensioned to a greater degree than the longitudinal side members on the opposite side of the blind assembly depending on the direction of tilt.
  • the decrease in tension of members 9 and 11 will be compensated by the increase of tension of members 10 and 12 with the result that the tension will remain constant.
  • the rollers 72, 72' and 73, 73' over which the side members extend are movable axially with respect to each other to accommodate movement of the side members towards and away from each other during tilting of the slats.
  • slat support means 7 and 8 are shown connected to the end fixed frame member 3 by way of the headrail 18, they could be connected directly to the frame member by fastening the rollers 20 and 21 to the frame member.
  • the headrail 18 is preferably connected to the headrail 15 by a slat moving means 22 comprising cord 23 connected at one end to the headrail 18 by means not shown and connected at the other end to a ring 24 at the headrail 15.
  • a slat moving means 22 comprising cord 23 connected at one end to the headrail 18 by means not shown and connected at the other end to a ring 24 at the headrail 15.
  • Pulling ring 24, when the brackets 19 have been detached from the headrail 18, will move the headrail 18 and slats towards the headrail 15 thus making any cover of the opening formed by the fixed frame members, such as a skylight or glass pane, accessible for cleaning.
  • the headrail 18 may have a slide portion 25 on each end thereof as shown in Figures 2A and 2B slidable on a stop bead 26 forming part of the side fixed frame members in order to support the same when it is detached from the end frame member 3. Further each slat may also have a support portion 27 on each end thereof formed by a notch 28 cut in the slat where an edge 28' of the notch slides upon the stop bead 26. In order that the bead will not interfere with tilting of the slats, it is important that edge 28 extend along the tilt axis of the slat.
  • slide portion 25 of the headrail 18 and support portion 27 of the slats may provide some support for the slats and headrail 18, the main portion of the weight of the slats and headrail are carried by the slat support means when the headrail is connected to the fixed end frame member 3.
  • the primary purpose of the slide portion 25 and support portion 27 is to prevent sagging of the assembly when it is moved for purposes of cleaning a skylight or pane.

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

Claims (14)

1. Jalousiebausatz mit einer Vielzahl von Lamellen (6), wobei der Bausatz an den sich parallel zu den Lamellen erstreckenden entgegengesetzten Enden mit festen Rahmengliedern (2, 3) verbindbar ist, mit mindestens zwei zum einzeln schwenkbaren Unterstützen der Lamellen zwischen den festen Rahmengliedern vorgesehenen Lamellentragemittel (7, 8), von denen jedes zwei longitudinale Seitenglieder (9, 10, 11, 12) und Mittel (13) zum Tragen der Lamellen aufweist, und mit Mitteln (16) zum Schwenken der Lamellen, die mit einem Ende der Lamellentragemittel verbunden sind, dadurch gekennzeichnet, daß die beiden Lamellentragemittel betätigbar miteinander verbunden sind und daß elastische Mittel (31, 32, 55, 62, 70, 71) vorgesehen sind, um eine Spannung direkt auf alle longitudinalen Seitenglieder mindestens während des Verschwenkens der Lamellen auszuüben.
2. Jalousiebausatz nach Anspruch 1, dadurch gekennzeichnet, daß die elastischen Mittel, insbesondere eine Zugfeder, betätigbar in den Lamellentragemitteln angeordnet sind.
3. Jalousiebausatz nach Anspruch 1, dadurch gekennzeichnet, daß die longitudinalen Seitenglieder (9, 10, 11, 12) jedes Lamellentragemittels (7, 8) miteinander betätigbar an einem Ende des Bausatzes parallel zu den Lamellen verbunden sind und daß ein einziges elastisches Mittel (55, 62) betätigbar die longitudinalen Seitenglieder (9, 10, 11, 12) eines Lamellentragemittels mit den longitudinalen Seitengliedern eines anderen Lamellentragemittels verbindet.
4. Jalousiebausatz nach Anspruch 3, gekennzeichnet durch eine zusätzliche, jedem Lamellentragemittel (7, 8) zugeordnete Rolle (51, 53), um die sich die longitudinalen Seitenglieder derzugeordneten Lamellentragemittel erstrecken, wobei das elastische Mittel (55) die jedem Lamellentragemittel zugeordneten Rollen verbindet.
5. Jalousiebausatz nach Anspruch 3, dadurch gekennzeichnet, daß zusätzlich ein jedem Lamellentragemittel (7, 8) zugeordneter Träger (60, 61) vorgesehen ist, mit dem ein Ende der longitudinalen Seitenglieder (9, 10, 11, 12) der zugeordneten Lamellentragemittel verbunden ist, und das elastische Mittel (62) die jedem Lamellentragemittel zugeordneten Träger verbindet.
6. Jalousiebausatz nach Anspruch 1, dadurch gekennzeichnet, daß ein longitudinales Seitenglied (9, 10) eines Lamellentragemittels (7) an einem Schenkel des Jalousiebausatzes betätigbar mit einem longitudinalen Seitenglied (11, 12) eines weiteren Lamellentragemittels (8) an einem entgegengesetzten Schenkel des Jalousiebausatzes verbunden ist.
7. Jalousiebausatz nach Anspruch 6, dadurch gekennzeichnet, daß mindestens zwei longitudinale Seitenglieder (9, 11) an einer Stirnseite des Jalousiebausatzes betätigbar miteinander durch ein erstes elastisches Mittel (30) verbunden sind und daß mindestens zwei longitudinale Seitenglieder (10, 12) einer entgegengesetzten Stirnseite des Jalousiebausatzes miteinander betätigbar durch ein zweites elastisches Mittel (31) verbunden sind.
8. Jalousiebausatz nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß jedes Lamellentragemittel (7, 8) eine Bandleiter aufweist, daß jedes longitudinale Seitenglied ein Bandseil (9,10,11,12) aufweist und daß jedes die Lamellen tragende Mittel mindestens eine sich zwischen Bandseilen erstreckende Sprosse (13) aufweist.
9. Jalousiebausatz nach Anspruch 1, gekennzeichnet durch ein zusätzliches erstes Rahmenholz (15), an die die Lamellenschwenkmittel befestigt sind und das mit einem festen Rahmenglied (2) verbindbar ist und ein zweites Rahmenholz (18), in dem die elastischen Mittel angepaßt festgelegt sind, um mit einem weiteren festen Rahmenglied (3) verbunden zu werden.
10. Jalousiebausatz nach Anspruch 9, dadurch gekennzeichnet, daß eines (18) der Rahmenhölzer lösbar mit einem festen Rahmenglied (3) verbunden ist und zusätzlich Lamellenbewegungsmittel (23) aufweist, die mit den Rahemhölzern (15, 18) verbunden sind, durch die das lösbar verbundene Rahmenholz (18) und Lamellen in Richtung auf das andere Rahmenholz (15) zur Loslösung von einem festen Rahmenglied bewegt werden können.
11. Jalousiebausatz nach Anspruch 10, dadurch gekennzeichnet, daß eine Vielzahl von Rollmitteln (20, 21) vorgesehen sind, die drehbar in dem Rahmenholz befestigt sind, in dem die elastischen Mittel angeordnet sind, und über die sich ein longitudinales Seitenglied erstreckt.
12. Jalousiebausatz nach Anspruch 10 oder 11, dadurch gekennzeichnet, daß die Lamellen (6) Tragebereiche, insbesondere Kerben (27) aufweisen, die am Ende einer Lamelle eingeschnitten sind, wobei sich eine Seite der Kerbe entlang der Schwenkachse der Lamelle erstreckt und ihre Enden zum gleitenden Eingreifen in feste Seitenrahmenglieder (26, 28), die sich zwischen den festen Rahmengliedern erstrecken, angepaßt sind.
13. Jalousiebausatz nach Anspruch 12, dadurch gekennzeichnet, daß das Rhamenholz (18) lösbar mit einem festen Rahmenglied (3) verbunden ist, das Gleitbereiche (25) an jedem Ende aufweist, so daß es zum gleitenden Eingreifen in ein festes Seitenrahmenglied angepaßt ist.
14. Jalousiebausatz nach Anspruch 1, gekennzeichnet durch zusätzliche Führungsmittel,' die relativ zu einem festen Rahmenglied fixierbar sind und über die sich die longitudinalen Seitenglieder erstrecken.
EP19830303073 1982-06-08 1983-05-27 Jalousiebausatz Expired EP0096518B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38628682A 1982-06-08 1982-06-08
US386286 1982-06-08

Publications (3)

Publication Number Publication Date
EP0096518A2 EP0096518A2 (de) 1983-12-21
EP0096518A3 EP0096518A3 (en) 1984-04-11
EP0096518B1 true EP0096518B1 (de) 1986-08-27

Family

ID=23524963

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19830303073 Expired EP0096518B1 (de) 1982-06-08 1983-05-27 Jalousiebausatz

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EP (1) EP0096518B1 (de)
DE (1) DE3365621D1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4493357A (en) * 1982-12-02 1985-01-15 Hunter Douglas Inc. Suspension system for suspending a venetian blind assembly
US4687038A (en) * 1983-12-19 1987-08-18 Coronet Industries, Inc. Blind construction
JPS62117978A (ja) * 1985-02-26 1987-05-29 ク−ロン株式会社 天井型ブラインド
US4739816A (en) * 1985-08-30 1988-04-26 Levolor Lorentzen, Inc. Venetian blind system for greenhouses
US4762159A (en) * 1986-09-18 1988-08-09 Cooper Industries Shade system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1251507B (de) * 1967-10-05 Erste österreichische Metall-Jalousiefabnk Foliflex Ges mbH, Wien Lamellenjalousie mit schräger oder waagerechter Abschirmebene
US3265117A (en) * 1963-12-09 1966-08-09 Levolor Lorentzen Inc Skylight venetian blind with improved coaction between the ladders and the slats
DE6945619U (de) * 1969-11-24 1970-03-19 Graf & Co Kg Jalousienfabrik F Jalousette, insbesondere fuer dachraumfenster

Also Published As

Publication number Publication date
EP0096518A2 (de) 1983-12-21
DE3365621D1 (en) 1986-10-02
EP0096518A3 (en) 1984-04-11

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