EP0414417B1 - Stove vénitien et méthode pour sa production - Google Patents

Stove vénitien et méthode pour sa production Download PDF

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Publication number
EP0414417B1
EP0414417B1 EP90308742A EP90308742A EP0414417B1 EP 0414417 B1 EP0414417 B1 EP 0414417B1 EP 90308742 A EP90308742 A EP 90308742A EP 90308742 A EP90308742 A EP 90308742A EP 0414417 B1 EP0414417 B1 EP 0414417B1
Authority
EP
European Patent Office
Prior art keywords
tilt
roll
blind
flexible elements
tilt roll
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
EP90308742A
Other languages
German (de)
English (en)
Other versions
EP0414417A1 (fr
Inventor
George Christiaan Van Der Zanden
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 EP0414417A1 publication Critical patent/EP0414417A1/fr
Application granted granted Critical
Publication of EP0414417B1 publication Critical patent/EP0414417B1/fr
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
    • E06B9/32—Operating, guiding, or securing devices therefor
    • 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

Definitions

  • the present invention relates to venetian blinds.
  • a venetian blind comprises a headrail, at least two ladder means, each having a pair of spaced, longitudinally extending, flexible elements and spaced rungs interconnecting said elements, slats supported by said rungs, a tilt roll associated with said ladder means, connecting means on said tilt roll for connecting the tilt roll to each of the flexible elements of the associated ladder means and means to rotate the tilt rolls, to effect tilting of the slats to any position from and between one fully closed position, via a fully open position, to a second fully closed position.
  • FR-A-1277291 discloses a venetian blind comprising a headrail, at least two ladder means, each having a pair of spaced, longitudinally extending, flexible elements and spaced rungs interconnecting said elements, slats of a given width supported by said rungs, a tilt roll associated with said ladder means, connecting means on said tilt roll for connecting the tilt roll to each of the flexible elements of the associated ladder means, and means to rotate the tilt rolls to effect tilting of the slats to any position from and between one fully closed position, via a fully open position, to a second fully closed position, the flexible elements of each ladder means each extending around at least half of the periphery of the associated tilt roll, in the fully open position of the blind, to reach said connecting means, the two flexible elements of one ladder means being then wound round that tilt roll in opposite winding senses to extend downwardly from opposite laterally outermost points of the tilt roll.
  • the present invention is characterised in that the diameter of the tilt roll is such, relative to said given width of the slats, that the tilt rolls will be rotated by more than 180° to tilt the blind from the fully open position to either one of the fully closed positions and in that in each said fully closed positions, one of said flexible elements has been fully unwound from its tilt roll whereupon, by continued rotation of its tilt roll, it is transferred to the opposite lateral side to extend substantially vertically downwardly from the roll in close proximity with the associated other flexible element.
  • Such a structure may readily be used for a blind for which the slats are a significantly greater width than the diameter of the tilt rolls.
  • the tilt roll can be tilted by less than 360° to effect the full tilting motion from the fully open position to either one of the fully closed positions.
  • a method of assembling two different venetian blinds which are of first and second slat widths respectively, the second slat width being greater than the first
  • the venetian blind including at least two ladder means, each having a pair of spaced, longitudinally extending, flexible elements and spaced rungs interconnecting said flexible elements for supporting the venetian blind slats, said pairs of flexible elements each being mounted on a tilt roll and secured thereto by securing means and the flexible elements of each pair extending downwardly from opposite lateral outermost points of its tilt roll
  • said method comprising utilizing identical tilt rolls for the ladder means of the blinds of the first width and of the second width, on the one hand positioning the pair of flexible elements of each ladder means for the open position of the blind, for the blind with the slats of the first width, and attaching them to the respective tilt rolls so that they extend directly from the securing means which are then located at the top of the tilt roll to the laterally outermost point of that roll when
  • Headrails of venetian blinds conventionally comprise a channel section member.
  • This channel section member is mounted either with its web uppermost or its web lowermost.
  • a single elongate slot should be provided to allow the flexible elements to traverse the slot as the tilt roll is rotated because, with the construction and method of the invention, the flexible elements extend from the laterally outermost points of the periphery of that tilt roll at substantially the same location as each other when the blind is in either one of the fully closed positions.
  • FIG. 1A there is illustrated a tilt roll 10 having on one portion of its periphery connecting means 12.
  • Longitudinal flexible elements 14, 16 of a ladder means are shown, the element 14 being shown cross-hatched lines and the element 16 in plain double lines.
  • the flexible elements 14, 16 are connected by rungs 15 ( Figures 2A and 2B).
  • the connecting means 12 are shown at the top in Figure 1A and the element 14, 16 are wrapped around one quarter, approximately, of the circumference of the roll to the outermost points 18, 20 of the periphery of the roll.
  • one of the flexible elements has been fully unwound from its tilt roll and by further rotation it has been allowed to traverse to the laterally opposite outermost point of the periphery of the tilt roll to extend downwardly therefrom in close proximity to the other flexible element of the same ladder means, the spacing being indicated by arrow 22.
  • the two connecting elements are directly beside each other in the extreme tilt position as indicated by arrow 22, giving the fully closed position on either side.
  • the cords In order to be able to go from one side to the other, therefore, it is advantageous for the cords to be able to move freely across from one side to the other of the headrail in which the tilt roll is mounted.
  • a headrail 30 is illustrated this having a web 32 and side flanges 34, 36.
  • an elongate slot will be provided in the web 32.
  • the headrail could be mounted the other way up, so that it is open at the bottom permitting this traverse of the cords to ensure accurate tilting of the uppermost slat or slats.
  • the same headrail and tilt roll can be used in both Figure 2A and Figure 2B and although the slats 24 are significantly wider in Figure 2B than the they are in Figure 2A.
  • a tilter mechanism 38 of a conventional nature is used to tilt, that is change the angle of the tilt roll 10.
  • the shaft like element 42 is provided with a key structure 44 radially protruding from its periphery.
  • the key structure 44 extends in the axial direction of the shaft like element 40 and has progressively slanted sides towards an enlarged middle portion 46.
  • the shaft like element 42 can be economically produced as a moulding, whereas the connecting means 12 can be formed integrally with the sheet metal sleeve 40.
  • the sleeve 40 being provided with a longitudinal slit conforming to the shape of the key structure 44 and having rounded edges 48 can be snap-fitted onto the shaft like element 42 and will be held in position by the enlarged portion 46.

Landscapes

  • Structural Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
  • Stringed Musical Instruments (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Bedding Items (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Press Drives And Press Lines (AREA)

Claims (4)

  1. Procédé d'assemblage de deux stores vénitiens différents, qui ont des lames ayant respectivement une première et une seconde largeurs (figures 2A et 2B), la seconde largeur de lame étant supérieure à la première, le store vénitien comportant au moins deux moyens formant échelles, ayant chacun une paire d'éléments souples espacés s'étendant longitudinalement (14, 16) et des échelons (15) reliant entre eux lesdits éléments souples (14, 16) pour soutenir les lames (24) du store vénitien, lesdites paires d'éléments souples étant toutes montées sur un cylindre de basculement (10) et fixées à celui-ci par des moyens de fixation (12) et les éléments souples de chaque paire s'étendant vers le bas à partir de points latéralement opposés les plus extérieurs (18, 20) de leur cylindre de basculement (10), ledit procédé consistant à utiliser des cylindres de basculement identiques (10) pour les moyens formant échelles des stores de la première largeur (figure 2A) et de la seconde largeur (figure 2B), d'une part à positionner la paire d'éléments souples de chaque moyen formant échelle pour la position ouverte du store, pour le store ayant les lames de la première largeur, et à les fixer au cylindre de basculement respectif (10) de façon à ce qu'elles partent directement des moyens de fixation (12) qui sont alors situés sur la partie supérieure du cylindre de basculement jusqu'au point latéralement le plus extérieur (18, 20) de ce cylindre (voir la figure 1A) lorsque le store est en position totalement ouverte, et, d'autre part, à positionner la paire d'éléments souples de chaque moyen formant échelle pour la position ouverte du store, pour le store ayant les lames de la seconde largeur (figure 2B), et à les fixer au cylindre de basculement respectif (10), de façon à ce que chacun des élements souples (14, 16) de chaque paire parte des moyens de fixation qui sont situés à la base du cylindre de basculement, s'enroule sur au moins la moitié de la périphérie de ce cylindre de basculement, pour atteindre le point latéralement le plus extérieur (18, 20) de ce cylindre (voir figure 1B), lorsque le store est dans sa position totalement ouverte.
  2. Store vénitien comprenant une tringle (30), au moins deux moyens formant échelles, ayant chacun une paire d'éléments souples (14, 16) espacés et s'étendant longitudinalement et des échelons espaces (15) reliant entre eux lesdits éléments, des lames (24) ayant une largeur donnée, prenant appui sur lesdits échelons, un cylindre de basculement (10) associé audit moyen formant échelle, des moyens de liaison (12) sur ledit cylindre de basculement pour relier ledit cylindre de basculement à chacun des éléments souples (14, 16) du moyen formant échelle associé, et un moyen (38) pour faire tourner les cylindres de basculement afin de produire un basculement des lames vers une position quelconque à partir d'une position totalement fermée, en passant par une position totalement ouverte, jusqu'à une seconde position totalement fermée, les éléments souples (14, 16) de chaque moyen formant échelle s'étendant chacun sur au moins la moitie de la périphérie du cylindre de basculement associé, dans la position totalement ouverte du store, pour atteindre lesdits moyens de liaison (12), les deux éléments souples (14, 16) d'un moyen formant échelle étant alors enroulés sur ce cylindre de basculement dans des sens d'enroulement opposés, pour s'étendre vers le bas à partir des points latéralement opposés les plus extérieurs (18, 20) du cylindre de basculement, caractérisé en ce que le diamètre du cylindre de basculement est tel, par rapport à ladite largeur donnée de la lame, que les cylindres de basculement sont mis en rotation de plus de 180° pour faire basculer le store entre la position totalement ouverte et l'une ou l'autre des positions totalement fermées, et en ce que, dans chacune desdites positions totalement fermées, l'un desdits éléments souples (14, 16), s'est entièrement déroulée de son cylindre de basculement (10) et, par poursuite de la rotation de son cylindre de basculement, en ce qu'il est alors transféré vers le côté latéralement opposé pour s'étendre pratiquement verticalement vers le bas du cylindre au voisinage immédiat (espacement 22) de l'autre élément souple associé.
  3. Store selon la revendication 2, caractérisé en ce que les moyens de liaison (12) dudit cylindre de basculement (10) sont situés à la base du cylindre de basculement lorsque le store est en position totalement ouverte.
  4. Store selon la revendication 2 ou 3, caractérisé en ce que la tringle (30) présente la section transversale d'une gorge, en ce que l'âme (32) de la gorge est en position basse et en ce que des fentes allongées sont formées dans ladite âme pour le passage desdits éléments souples et leur transfert entre un côté, dans ladite position totalement fermée, et l'autre côté dans ladite seconde position totalement fermée.
EP90308742A 1989-08-25 1990-08-08 Stove vénitien et méthode pour sa production Expired EP0414417B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8919331A GB2235488A (en) 1989-08-25 1989-08-25 Venetian blinds and methods of manufacture.
GB8919331 1989-08-25

Publications (2)

Publication Number Publication Date
EP0414417A1 EP0414417A1 (fr) 1991-02-27
EP0414417B1 true EP0414417B1 (fr) 1992-11-25

Family

ID=10662102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90308742A Expired EP0414417B1 (fr) 1989-08-25 1990-08-08 Stove vénitien et méthode pour sa production

Country Status (7)

Country Link
EP (1) EP0414417B1 (fr)
JP (1) JP2528543B2 (fr)
AT (1) ATE82794T1 (fr)
DE (1) DE69000498T2 (fr)
DK (1) DK0414417T3 (fr)
ES (1) ES2036089T3 (fr)
GB (1) GB2235488A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202200003161A1 (it) 2022-02-21 2023-08-21 Horizon S R L Sistema rotante di movimentazione di tende mobili

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB719979A (en) * 1951-09-24 1954-12-08 Fabers Fab As C Improvements in or relating to devices for adjusting the angular position of venetian blind slats
NL109186C (fr) * 1958-09-09
GB901414A (en) * 1960-12-28 1962-07-18 Eskilstuna Ind Ab Mounting device for venetian blinds
FR1277291A (fr) * 1961-01-06 1961-11-24 Eskilstuna Ind Ab Boîtier d'orientation pour store à lamelles
GB1046270A (en) * 1963-09-27 1966-10-19 Ole Velle Improvements in venetian blind assemblies
GB1081976A (en) * 1963-12-17 1967-09-06 Hunter Douglas International Venetian blind
ES320723A1 (es) * 1964-12-19 1966-05-16 Russo Giuseppe Dispositivo de mando para persianas graduables.
US3605852A (en) * 1969-03-06 1971-09-20 Alcan Aluminum Corp Venetian blind having rotatable head assembly
EP0098333A1 (fr) * 1982-07-09 1984-01-18 Olofsson, Roland Rouleau pour ruban à échelle d'un store vénitien

Also Published As

Publication number Publication date
DK0414417T3 (da) 1993-01-04
EP0414417A1 (fr) 1991-02-27
DE69000498D1 (de) 1993-01-07
DE69000498T2 (de) 1993-04-01
JPH0393986A (ja) 1991-04-18
GB8919331D0 (en) 1989-10-11
ES2036089T3 (es) 1993-05-01
ATE82794T1 (de) 1992-12-15
JP2528543B2 (ja) 1996-08-28
GB2235488A (en) 1991-03-06

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