EP0372004B1 - Rideau a retrousser - Google Patents

Rideau a retrousser Download PDF

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Publication number
EP0372004B1
EP0372004B1 EP88909510A EP88909510A EP0372004B1 EP 0372004 B1 EP0372004 B1 EP 0372004B1 EP 88909510 A EP88909510 A EP 88909510A EP 88909510 A EP88909510 A EP 88909510A EP 0372004 B1 EP0372004 B1 EP 0372004B1
Authority
EP
European Patent Office
Prior art keywords
winding
worm
curtain according
gear mechanism
curtain
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 - Lifetime
Application number
EP88909510A
Other languages
German (de)
English (en)
Other versions
EP0372004A1 (fr
Inventor
Werner Flückiger
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT88909510T priority Critical patent/ATE72740T1/de
Publication of EP0372004A1 publication Critical patent/EP0372004A1/fr
Application granted granted Critical
Publication of EP0372004B1 publication Critical patent/EP0372004B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E06B9/262—Lamellar or like blinds, e.g. venetian blinds with flexibly-interconnected horizontal or vertical strips; Concertina blinds, i.e. upwardly folding flexible screens
    • 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
    • E06B2009/2482—Special shape
    • E06B2009/2494—Trapezoidal or triangular
    • 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
    • E06B9/262—Lamellar or like blinds, e.g. venetian blinds with flexibly-interconnected horizontal or vertical strips; Concertina blinds, i.e. upwardly folding flexible screens
    • E06B2009/2622—Gathered vertically; Roman, Austrian or festoon blinds

Definitions

  • the invention relates to a Roman blind according to the preamble of independent claim 1.
  • the invention has for its object to provide a Roman blind of the type mentioned, which avoids these difficulties and which is still easy to install and reliable.
  • inventive venetian blind is particularly suitable for inclined windows.
  • the diameter is not limited to the distance between the curtain and the window and can be much larger and accordingly the curtain can be longer. Damage to the curtain material due to tangential stripes on the winding rollers is avoided in the inventive venetian blind. Separate pillow blocks are unnecessary in terms of assembly and the inventory is simplified considerably.
  • a braking device is created in a structurally simple manner, by means of which the curtain is automatically locked in any desired intermediate position.
  • a roman blind is created, which eliminates the need for an additional braking device and with which, due to the ratio of the worm gear, even heavy curtains can be pulled up with little effort.
  • a self-locking worm gear is arranged between the drive member and the winding shaft.
  • the gears between the winding rollers and the winding shaft can be conventional inexpensive gears without self-locking.
  • a drive wheel is preferably mounted such that its axis of rotation is perpendicular to the winding shaft, so that there is an arrangement similar to that of the winding rollers.
  • Fig. 1 shows a vertically hanging curtain fabric 8, on which a weight profile 9 is attached.
  • the axes of the winding rolls 3 are arranged horizontally and at right angles to a winding shaft 2 which is connected to a drive wheel 12 which can be driven by means of a ball chain.
  • the winding shaft 2 is arranged horizontally and in the case of a Roman blind for an oblique window, it is inclined.
  • a curtain rail 1 runs parallel to the winding shaft 2 and is attached in the usual way to the ceiling, the wall or the window.
  • the curtain fabric 8 is detachably fastened to this curtain rail 1 by means of pile and chain band 28.
  • the ball chain 10 is pulled, in the case of the Roman blind for an oblique window below the drive wheel 12 a guide roller 11 is attached.
  • the elevator belts 6 are wound onto the winding rollers 3 and the curtain is pulled up, while in the other pulling direction the elevator belts 6 are unwound synchronously and the curtain is lowered. As explained in more detail below, the curtain stops automatically in any position after the ball chain is released.
  • the winding rollers 3 are each mounted in a housing which essentially consists of a housing body 13 and two covers 14 and 15 which are detachably placed on them.
  • a housing body 13 On the housing body 13 two spaced brackets are integrally formed, which are detachably inserted in the curtain rail 1 and slidably in the longitudinal direction.
  • the housing body 13 has a vertical wall 32 which divides the housing into two chambers 30 and 31.
  • the winding roll 3 with the tape roll 19 is accommodated in the chamber 30.
  • the chamber 30 also has one Detachably attached lid 15, which has on the inside a projection 22 which engages in the winding roller 3 and guides it.
  • the winding roll 3 is formed on a worm wheel 4, which is mounted in an opening 16 of the wall 32 and with a bearing pin 24 in an opening 33 of a further cover 14.
  • the teeth 18 of the worm wheel 4 mesh with a worm 5 which is mounted on the housing part 13 and on the cover 14.
  • the worm wheel 5 is connected to the winding shaft 2 in a rotationally fixed and displaceable manner in the longitudinal direction. It is often necessary to tension a wrap 19 or to loosen something so that all the straps 6 pull the curtain fabric 8 up exactly in sync. This can be achieved in a simple manner by pulling the worm wheel 4 out of the chamber 31 with the cover 15 removed on the winding roller 3 and rotating it in one or the other direction in the uncoupled state, and thus adjusting the slot 34.
  • a venetian blind is obtained which, despite the considerable advantages, clearly has relatively few, robust and simple components and which, when used as a venetian blind for an oblique window or very tall window, also meets the practical requirements, including very gentle treatment of the curtain fabric, in an excellent manner Wise account and who is also cheap in production and very reliable in operation.
  • the gear ratio of the worm gear is selected so that the elevator is self-locking, taking into account the friction of the moving parts. If the worm 5 is made of nylon and the worm wheel 4 is made of Delrin, self-locking with a ratio of about 1: 4.2 is achieved. Without friction, the gear ratio would have to be about 1: 6 for self-locking to occur. It has been shown that a gear ratio of approximately 1: 4 is advantageous for a Roman blind. On the one hand, heavy curtains can be operated with little effort and, on the other hand, the gear ratio is not so great that the curtain moves too slowly.
  • the self-locking effect means that the curtain stops immediately in the position reached when the ball chain is released, even in any intermediate position. In particular, this prevents the weight profile 9 from whizzing downward when the ball chain 10 is released unintentionally and injuring a person or damaging the curtain.
  • the lid 14 is detachably attached to the housing body 13 by means of a snap device 20.
  • the cover 15 is also attached to the housing body 13 with a similar snap device.
  • the take-up roll 3 is enclosed in the housing and is not otherwise rotating There are parts that line the curtain fabric and could damage it. Since the housing body 13 is continuously displaceable on the winding shaft 2, it is possible in any case to bring the slot 21 exactly on the line of the eyelets 7. In the selected position, the housing body 13 can then always be attached to the curtain rail 1.
  • the gears between the winding rollers and the winding shaft are conventional cross gears without self-locking.
  • the drive roller 12 is connected to the winding shaft via a self-locking worm gear.
  • the drive roller 12 like a winding roller, is mounted with its axis of rotation transversely to the winding shaft on the rail 1 in a housing. This version is significantly less expensive since only a worm gear is provided.

Abstract

Un arbre d'enroulement (2) est actionné au moyen d'une chaîne à grains de chapelet (10). Il est relié à des tambours d'enroulement (3) par des engrenages à vis sans fin (4, 5). Les tambours d'enroulement (3) sont d'une pièce avec la roue tangente (4), laquelle est apte à tourner dans un boîtier (13). Au montage du rideau, les axes des roues tangentes (4) sont horizontaux et disposés perpendiculairement à l'arbre d'enroulement (2). Le rapport de transmission des engrenages à vis sans fin (4, 5) est choisi de façon que le mécanisme de remontage soit autobloquant. Un dispositif auxiliaire de freinage n'est donc pas nécessaire. Le rideau à retrousser convient aussi pour les fenêtres inclinées ainsi que pour les hautes fenêtres et pour les rideaux faits de lourds tissus (8).

Claims (10)

1. Rideau à retrousser avec un dispositif de suspension et un dispositif de retroussement, lequel dispositif de retroussement présente un arbre d'enroulement (2) entraîné de manière rotative, sur lequel sont disposées, distantes l'une de l'autre, plusieurs bobines d'enroulement (3), caractérisé en ce que l'axe de chacune des bobines d'enroulement (3) s'étend environ horizontalement et perpendiculairement à l'axe de l'arbre d'enroulement (2) et qu'il est chaque fois prévu un engrenage (4, 5) qui connecte l'arbre d'enroulement (2) à la bobine d'enroulement (3) et que la bobine d'enroulement (3) est montée, de manière rotative, dans un support (13) à fixer sur un rail pour rideau (1), sur la fenêtre ou sur un mur.
2. Rideau à retrousser suivant la revendication 1, caractérisé en ce qu'au moins un engrenage est un engrenage auto-freinant.
3. Rideau à retrousser suivant la revendication 2, caractérisé en ce que l'engrenage à vis sans fin présente un rapport de transmission qui est choisi de telle manière qu'il produit, avec la friction du dispositif de retroussement, un actionnement auto-freinant du rideau.
4. Rideau à retrousser suivant la revendication 3, caractérisé en ce que le rapport de transmission est d'environ 3 à 5, de préférence de 4,2, et que l'engrenage est réalisé en matière plastique, de préférence la roue à vis tangente (4) en delrin et la vis sans fin (5) en nylon.
5. Rideau à retrousser suivant l'une des revendications 1 à 4, caractérisé en ce que l'engrenage est disposé dans un boîtier (13, 14, 15) qui est fixé, de manière amovible, sur un rail profilé (1) disposé parallèlement à l'arbre d'enroulement (2).
6. Rideau à retrousser suivant la revendication 5, caractérisé en ce que la roue à vis tangente (4) est montée, de manière rotative, dans une partie de boîtier (13), laquelle partie de boîtier (13) subdivise le boîtier en deux chambres, dans l'une des chambres étant placée la vis sans fin (5) et, dans l'autre chambre, la bobine d'enroulement (3).
7. Rideau à retrousser suivant la revendication 6, caractérisé en ce que la chambre avec la bobine d'enroulement (3) est obturée par un couvercle (15), le couvercle (15) présentant, sur sa face intérieure, une saillie (22) qui vient en prise dans un évidement (23) dans la bobine d'enroulement (3) et guide celle-ci.
8. Rideau à retrousser suivant l'une ou plusieurs des revendications 2 à 7, caractérisé en ce que la bobine d'enroulement (3) est formée sur la roue à vis tangente (4).
9. Rideau à retrousser suivant la revendication 1, caractérisé en ce que l'arbre d'enroulement (2) est relié à un organe d'entraînement (10) par un engrenage à vis sans fin auto-freinant.
10. Rideau à retrousser suivant la revendication 9, caractérisé en ce que l'organe d'entraînement (10) entraîne un roue à vis tangente qui est montée avec son axe de rotation perpendiculaire à l'arbre d'enroulement (2).
EP88909510A 1987-12-15 1988-11-16 Rideau a retrousser Expired - Lifetime EP0372004B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88909510T ATE72740T1 (de) 1987-12-15 1988-11-16 Raffvorhang.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4884/87 1987-12-15
CH488487 1987-12-15

Publications (2)

Publication Number Publication Date
EP0372004A1 EP0372004A1 (fr) 1990-06-13
EP0372004B1 true EP0372004B1 (fr) 1992-02-26

Family

ID=4284220

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88909510A Expired - Lifetime EP0372004B1 (fr) 1987-12-15 1988-11-16 Rideau a retrousser

Country Status (7)

Country Link
US (1) US5092382A (fr)
EP (1) EP0372004B1 (fr)
JP (1) JPH0754B2 (fr)
DE (1) DE3800631A1 (fr)
ES (1) ES2012906A6 (fr)
FI (1) FI87040C (fr)
WO (1) WO1989005603A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0581005B1 (fr) * 1992-07-17 1998-12-16 MHZ HACHTEL GmbH & Co. KG Rideau plissé
IT1284678B1 (it) * 1996-07-17 1998-05-21 Mottura Spa Dispositivo per il sostegno ed il comando di una tenda raccoglibile a pacchetto
US6648050B1 (en) 1997-11-04 2003-11-18 Andrew J. Toti Spring drive system and window cover
US5996667A (en) * 1999-02-12 1999-12-07 Fun; Fu-Mei Window blind
WO2001058327A1 (fr) * 2000-02-08 2001-08-16 Hunter Douglas Inc. Recouvrement encadre pour ouverture de batiment
US6508294B1 (en) * 2001-12-06 2003-01-21 Poly Vigor Enteprises Co., Ltd. Raising device for a venetian blind
DE10238089B4 (de) * 2002-08-21 2004-08-05 Warema Renkhoff Gmbh Raffstore mit Bandrollen
US6976522B2 (en) * 2003-05-21 2005-12-20 Springs Window Fashions Lp Venetian blind ladder drum and method of assembling venetian blind
US20050081463A1 (en) * 2003-10-17 2005-04-21 Richard Allen Retractable screen system providing a positioning force for a movable sash
US20060196614A1 (en) * 2005-03-03 2006-09-07 Springs Window Fashions Lp Window shade
TWM290529U (en) * 2005-12-02 2006-05-11 Ching Feng Home Fashions Co Structure of bead chain controller for window covering
EP1905328A1 (fr) * 2006-09-18 2008-04-02 Werner Misner Elévateur pour une tringle à rideaux
US7703499B2 (en) * 2007-02-22 2010-04-27 Tait Towers, Inc. Portable curtain retraction device and system
DE102011050666B4 (de) 2011-05-27 2014-06-12 Achim Lienert Aufwickelvorrichtung

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1084781A (en) * 1913-06-13 1914-01-20 Franz J Behrle Shade-fixture.
US2676654A (en) * 1950-03-13 1954-04-27 Earl J Vallen Apparatus for festooning curtains
US3605852A (en) * 1969-03-06 1971-09-20 Alcan Aluminum Corp Venetian blind having rotatable head assembly
US3844330A (en) * 1972-12-11 1974-10-29 Louver Drape Inc Window covering system
NL8100721A (nl) * 1981-02-13 1982-09-01 Schoen Siegfried Joachim Vouwgordijn.
DE3305300C2 (de) * 1983-02-16 1985-11-21 Gardinia Vorhangschienenfabrik Klein & Wälder, 7972 Isny Raffvorhang
US4518025A (en) * 1983-11-10 1985-05-21 Verosol Usa Inc. Sun blind construction
DE3441574A1 (de) * 1984-03-09 1985-09-12 Bühnenbau Rolf Schnakenberg GmbH & Co KG, 5600 Wuppertal Gegen eine schraege decke hochraffbarer trennvorhang
IT8421810V0 (it) * 1984-05-15 1984-05-15 Arquati Spa Dispositivo di azionamento, particolarmente studiato per tende a pacchetto o a pannello.
DE3434203A1 (de) * 1984-09-18 1986-03-27 Clauss Klima Technik GmbH, 7437 Westerheim Vertikal bewegbarer trennvorhang
DE3634547A1 (de) * 1986-10-10 1988-04-14 Dieter Rometsch Raffvorhangsystem
US4901419A (en) * 1989-01-03 1990-02-20 Home Fashions, Inc. A-frame window covering mounting arrangement

Also Published As

Publication number Publication date
JPH0754B2 (ja) 1995-01-11
JPH02501713A (ja) 1990-06-14
ES2012906A6 (es) 1990-04-16
US5092382A (en) 1992-03-03
DE3800631A1 (de) 1989-06-29
FI893734A0 (fi) 1989-08-08
DE3800631C2 (fr) 1990-10-25
EP0372004A1 (fr) 1990-06-13
WO1989005603A1 (fr) 1989-06-29
FI87040C (fi) 1992-11-25
FI87040B (fi) 1992-08-14

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