EP1857024B1 - Roman shade and drawing cord catch for this shade - Google Patents
Roman shade and drawing cord catch for this shade Download PDFInfo
- Publication number
- EP1857024B1 EP1857024B1 EP06014983.8A EP06014983A EP1857024B1 EP 1857024 B1 EP1857024 B1 EP 1857024B1 EP 06014983 A EP06014983 A EP 06014983A EP 1857024 B1 EP1857024 B1 EP 1857024B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- winding shaft
- shaped
- take
- pull cord
- 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.)
- Active
Links
- 238000004804 winding Methods 0.000 claims description 37
- 238000000465 moulding Methods 0.000 claims description 10
- 230000001174 ascending effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 206010000496 acne Diseases 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 5
- 239000004744 fabric Substances 0.000 description 3
- 244000048443 Gomphrena celosioides Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Images
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
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H3/00—Fastening, clamping, or guiding devices for the bands or cords of curtains or the like
- A47H3/02—Fastening, clamping, or guiding devices for bands or cords
- A47H3/10—Cord guides
-
- 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 claim 1 and a Switzerlandschnurmithunt methodology for this purpose.
- a Roman shade with the features of the preamble of claim 1 is characterized by the DE-U-20 2005 011 982 known.
- the winding of the pull cords does not take place here on the take-up shaft itself, but on a spool, which is arranged on the existing of a square bar and rotatable by hand shaft.
- the coil comprises except both ends of the coil discs arranged in the middle of the coil disc-like driver, which separates two Aufwickelzonen for each one of the two loop legs from each other.
- the fabric forming the curtain can be essentially contracted into horizontal gathers.
- eyelets In the apex area of the folds are eyelets, which are each arranged in vertical ⁇ sengoln.
- Each eyelet row is traversed by its own individual train of pulling means serving for gathering the fabric, which is designed as a two-legged loop.
- the two loop legs are threaded together through the eyelets and fastened with their leg ends at the lower end of the fabric, wherein the two Aufwickelzonen the coil are provided for the two loop legs.
- Each drive disc has a recess for receiving the pull cords.
- the Venetian blind can always be brought into a straight state when the pull cord is released from the driver by hand, ie the pull cords are to be removed by hand from the drivers if the Entraffungsvorgang has not taken place evenly, ie if by a in the movement path of the Curtain lying obstruction, the lower edge of the curtain is placed in an inclined position, as in Fig. 19 is shown.
- the curtain 11 of the Roman shade 100 is lowered, wherein the lower peripheral edge 11 on an obstacle 60, rests, so that the curtain occupies an inclined position in its lower region, so that a curtain section 11c with tensioned drawstrings 32, 33 and a curtain section 11d is obtained with relaxed drawstrings 32 ', 33', so that when shirring the curtain 11 a perfect winding of the pull cords 32 ', 33' on the take-up shaft 20 is not guaranteed.
- Object of the present invention is to provide a Venetian blind according to the type described above, in which the provided on the take-up driver due to its design for the implementation of Roman blind pulls the pull cord safely and entrains and releases the drawstring when Entraffen the curtain, said this in further revolutions of the take-up shaft over the Carrier slides without being taken by the driver, so that the pull cord is in no operative connection with the driver. Furthermore, a technical solution is to be created in Roman blinds, which makes it possible to ensure proper operation of the Roman shade and a proper, orderly winding the pull cords on the take-up shaft in the event of uneven lowering of the curtain, without there being an additional Manual operation of the drawstrings required. Furthermore, the driver should preferably be held by means of clamping action on the take-up shaft in order, inter alia, also to create the possibility of being able to arrange drivers in accordance with the respective requirements on the take-up shaft to any shaft section.
- the invention consists in a generic Raffvorhang that the driver consists of a placed on the winding shaft and clamped on this held, approximately semicircular part ring body with a long nose or wedge-shaped body with a hook-like cam portion, wherein the partial ring body at least half the circumference of the take-up shaft surrounds and has an inner diameter which corresponds approximately to the outer diameter of the take-up shaft, and is held by means of a press fit on the take-up shaft.
- the pull cord for the roman shade is securely gripped and wound up on the take-up shaft.
- the pull cord is unwound from the take-up shaft, without causing entanglement or entanglement of the pull cord on the driver, as the turns of the pull cord and this even over the rising portion the driver is guided. If the Entraffvorhang finished, then there is no operative connection between the driver and the pull cord, the pull cord is free and the curtain can, for. B. detached for a cleaning process of the curtain rail and the curtain can be removed together with the pull cord.
- the curtain In a Venetian blind, the curtain is actuated by two U-shaped guided over deflecting pull cords, the pull cords are tightened during shirring, whereas when Entraffen and a one-sided Aufsitzen the lower edge of the curtain on an obstacle tensioned the pull cords of not hitting the obstacle curtain section are relaxed while the pull cords of the incident on the obstacle curtain section, which causes these drawstrings come to rest outside the driver.
- the pull cords are not in engagement with the drivers of the winding shaft.
- the pull cords are not grasped and released by the entrainment members when the drape is lowered further, so that in the lowered end position of the curtain, the pull cords are outside the engagement area of the driver.
- a Raffvorhanges re-initiating the pull cords are detected by the drivers and wound on the winding shaft.
- the pull cords are in engagement with the drivers.
- the part-ring-like configuration of the driver also has the advantage that the partial ring body is clipped clip-like manner on the take-up shaft, wherein the free ends of the two legs of the partial ring body overlap or engage around the take-up shaft, so that the partial ring body with his nose-like molded body with which the pull cord is gripped, is held clamped on the take-up shaft, with the possibility that the partial ring body engages due to its resilient-elastic configuration and with its integrally formed on the leg ends cam or pin in longitudinal grooves on the circumference of the Winding shaft are formed.
- This clip-like mounting of the driver on the winding shaft of a Roman blind allows easy removal and attachment of drivers, among other things, depending on the respective Switzerlandschnur Entry in any section of the take-up shaft.
- the driver is langnasig trained, so that the pull cord can be taken only in one direction and is not taken during the reverse rotation of the take-up shaft.
- an embodiment provides that the part-ring-like shaped body of the partial ring body engages around at least half the circumference of the take-up shaft and has an inner diameter which corresponds approximately to the outer diameter of the take-up shaft.
- At least one of the two free legs of the partial ring body has, at its end region, a cam facing the circumference of the winding shaft, which is in engagement with at least one longitudinal groove formed on the winding shaft.
- Each of the two free legs of the partial ring body preferably has at the leg end portions each a circumference of the take-up shaft facing cam, wherein the two cams are opposite each other and is in engagement with a respective longitudinal groove of two formed in the circumference of the take-up shaft and opposite longitudinal grooves.
- the part-ring-shaped body of the partial ring body engages around at least half the circumference of the take-up shaft and is held by means of a press fit on the take-up shaft.
- the langnasen- or wedge-shaped molded body of the driver is arranged in the region of one of the two legs of the part-ring-like shaped body of the partial ring body.
- the in Fig. 1 and 10 illustrated Roman shade 100 comprises a fixed to a curtain rail 10 curtain 11 from a square or Irelandechtförmigen or another geometric shape having tissue blank which is fixed or releasably secured with its upper edge 11a on the curtain rail 10, which is conveniently carried out by means of a Velcro-type connection.
- a Velcro-type connection also differently shaped, releasable connection means such.
- this can be provided with a weighting strip.
- Fig. 18 an embodiment in which the Roman shade 100 has two pull cords 30, 30 'for the curtain 11. Both pull cords 30, 30 'are guided in a U-shape over deflection elements 35, so that each pull cord 30, 30' forms a pull cord section 31, 31 'running parallel to the take-up shaft 20.
- the drawstrings can be used individually or in pairs.
- Each pull cord 30 is held on the back of the curtain 11 by means of guide loops or guide eyelets and is guided in such a way that at least one U-shaped profile is achieved by forming a pull cord section 31 running parallel to a take-up shaft 20 ( Fig. 1 and 2 ).
- the vertically extending Buchschnurabitese are designated 32, 33.
- the take-up shaft 20 is rotatably mounted in bearings 21, 22, which are fixed to the curtain rail 10.
- the actuation of the take-up shaft 20 is done by hand or by electric motor.
- a service chain 23 is provided for manual operation then a service chain 23 is provided.
- the deflection of the drawstring 30 and the drawstrings is carried out by means attached to the curtain rail 10 or in the upper edge region of the curtain, preferably eyelet-shaped deflection elements 35 in the form of depending eyelets or vertically protruding eyelets, so that guided between two deflecting pull cord 31 parallel to the take-up shaft 20 runs.
- the arrangement of the deflecting elements 35 to the take-up shaft 20 is such that the horizontally extending drawstring section 31 runs as close as possible to the take-up shaft 20 ( Fig. 2 ).
- the take-up shaft 20 is provided with a driver 40 for taking along and winding up the drawstring 30 or the drawstrings.
- the driver 40 consists of a on the outer wall surface 20a of the take-up shaft 20 directly molded or arranged, out of the orbit of the outer wall surface 20a and extending in the direction of rotation of the take-up shaft 20 extending nose-shaped or wedge-shaped moldings 45.
- This shaped body 45 has a of the outer wall surface 20a of the take-up shaft 20th ascendingly guided portion 45a, which is followed by a hook-like cam portion 45b, wherein the configuration is such that between the nose-like or wedge-shaped portion of the shaped body 45 and the outer wall surface 20a of the take-up shaft 20, a hook-like opening is formed, which for the engagement or the reception of the pull cord 30 serves ( Fig. 12 ).
- the molded body 45 is formed such that upon rotation of the take-up shaft 20 for shirring the curtain 11, the pull cord 30 and its Werschnurabrough 31 in the hook-shaped cam portion 45b comes to rest and is taken with a change in the direction of rotation of the take-up shaft 20 for the Entraffen the curtain 11, the pull cord 30 and her Werschnurabrough 31 out of engagement with the hook-shaped cam portion 45b and during the rotation of the take-up shaft on the outer wall surface 45c and the rising portion 45a of the molding 45 slides.
- this shaped body 45 is disposed on a partial ring body 150 which is placed or pushed onto the take-up shaft 20.
- This partial ring body 150 is clamped on the take-up shaft 20.
- This partial ring body 150 is designed as a driver 40 and has on its outer wall surface 150a the nose-shaped or wedge-shaped mold body 45. From the outer wall surface 150a of the partial ring body 150, the nose-shaped or wedge-shaped shaped body 45 is formed.
- the partial ring body 150 and the molded body 45 may form a structural unit, but it is also possible to form the shaped body 45 separately and to arrange it on the outer wall surface 50a of the partial annular body 150.
- the molded body 45 has the configuration described above, namely, insofar as the molded body 45 is provided with a rising from the outer wall surface 150a of the partial ring body 150 section 45a, to which the hook-like cam portion 45b is connected.
- the partial ring body 150 and the molded body 45 are made of a plastic or other suitable material.
- the driver 40 consists of a mounted on the take-up shaft 20 or clipped part ring body 150, which consists of an approximately semicircular semi-circular shaped body 151 which extends at least one of the orbit of the ring member 150 protruding Aufwickelwellenumlaufraum extending long nose or wedge-shaped mold body 45 with one of the Outer wall surface 20a; 50a rising portion 45a and a subsequent to this portion 45a hook-like entrainment portion 45b for the pull cord 30, wherein the nose-like shaped body 45 is formed such that upon rotation of the Aufwickelwelle 20 for the shirring of the curtain 11, the pull cord 30 and its Werschnurabites 31 in the hook-shaped cam portion 45b comes to rest and is taken with a change in the direction of rotation of the take-up shaft 20 for the Entraffen the curtain 11, the pull cord 30 and her Switzerlandschnurabites 31 is disengaged from the hook-shaped cam portion 45b and slides over the outer wall surface 45c and the rising portion
- the partial ring body 150 is formed by a part-ring-like molded body, wherein the inner diameter D1 of the partial annular body 150 approximately corresponds to the outer diameter D2 of the winding shaft 20 ( Fig. 3 and 7 ), so that abuts in the mounted on the take-up shaft 20 or clipped state of the partial ring body 150 against the outer wall surface of the take-up shaft.
- the two legs of the partial ring body 150 are designated 152, 153 and the leg end regions 152a, 153a ( Fig. 5 . 7 . 8th and 9 ).
- the part-ring-like shaped body 151 of the partial ring body 150 encompasses at least half the circumference of the winding shaft 20 (FIG. Fig. 8 and 9 ). At least one of the two legs 152, 153 of the partial ring body 150 carries at its end region 152a or 153a a cam 155 or 155 'facing the outer wall surface 20a of the take-up shaft 20 (FIG. FIGS. 5 and 6 ).
- this has at least one longitudinal groove 24 or 25 extending in the longitudinal direction of the shaft.
- the take-up shaft 20 has two opposite longitudinal grooves 24, 25, which extend in the longitudinal direction and which extend over the entire length of the take-up shaft 20 ( Fig. 11 ) or only in sections may be formed in the wall surface of the take-up shaft 20.
- the winding shaft 20 may be formed as a solid shaft or as a hollow shaft.
- the longitudinal grooves 24, 25 are formed in the shaft wall.
- the holder of the partial ring body 150 on the take-up shaft 20 is effected by the engagement of the cams 155, 155 'in the longitudinal grooves 24, 25 of the take-up shaft 20 (FIGS. Fig. 8 and 9 ). Since the partial ring body 150 consists of a resilient material with a resilience from an upright position of the legs 152, 153, the cams 155, 155 'spring into the engaged position in the longitudinal grooves 24, 25. These longitudinal grooves 24, 25 can have variously shaped cross-sectional profiles exhibit. In the embodiment according to Fig. 3 has each longitudinal groove parallel to each other extending side walls, whereas, after Fig. 4 the longitudinal grooves have conically extending side walls. In this L Lucassnutausrent it is advantageous if the cams 155, 155 'of the partial ring body 150 are formed as resilient arms, which then engage in the hook-shaped side wall configurations.
- the partial ring body 150 has the outer wall surface 20a of the take-up shaft sections overlapping leg portions 152b, 153b, whereas, after Fig. 6 the cams 155, 155 'are provided on the leg end portions 152a, 153a.
- the partial ring body 150 has no cams 155, 155 'at its leg end regions 152a, 153a.
- the partial ring body 150 engages with its legs at least half the circumference of the take-up shaft 20 and is held on this by means of a press fit.
- the legs 152, 153 with the leg portions 152b, 153b engage over the winding shaft 20 via the Shaft diameter, so that the partial ring body 150 of the take-up shaft 20 can not slip off.
- the decrease of the partial ring body 150 of the take-up shaft 20 takes place by spreading apart of the legs 152, 153.
- the partial ring body 150 is thus held on the take-up shaft 20 by means of a press fit.
- the nose-shaped or wedge-shaped shaped body 45 of the driver 40 is arranged in the region of one of the two legs 152, 153 of the part-ring-like shaped body 151 of the partial annular body 50.
- the periphery of the outer wall surface 20a of the take-up shaft 20 facing inner wall surface of the part-ring-like shaped body 151 of the partial ring body 150 is provided to improve adhesion with a knob-like or suction cup profiling.
- the take-up shaft 20 has two drivers 40, 40 ', so that each pull cord 30, 30' can be grasped by its drivers via its pull cord sections 31, 31 'running parallel to the take-up shaft 20.
- the number of drivers 40 on the take-up shaft 20 depends in each case on the number of pull cords 30, 30 ', whereby it is also possible that instead of two individual pull cords 30, 30', only one pull cord is used, in which the two pull cord portions 32 , 33 'in the region of the lower edge of the curtain via a drawstring portion 31a are interconnected, so that a pull cord is obtained, which is meander-shaped, wherein in the region of the lower edge of the curtain, the drawstring are then guided over deflection on the curtain.
- the Fig. 12 to 17 show various operating positions of the take-up shaft 20 with its driver 40 during the shirring process and the Entraffungsvorganges.
- the pull cord 30 or its draw cord section 31 rests on the outer wall surface 20a of the take-up shaft 20 (position A).
- the take-up shaft in the direction of arrow X of the driver 40 is moved to the position B, so that the pull cord 30 and its Glasschnurabêt 31 comes to rest in the hook-shaped recess of the shaped body 45 of the driver 40.
- a further rotation of the take-up shaft 20 in the direction of arrow X1 according to Fig.
- the pull cord 30 or its pull cord section 31 is disengaged from the driver 40 (FIG. Fig. 17 ) and then the take-up shaft 20 for shirring the curtain 11 in the direction of arrow X3 ( Fig. 17 ) is twisted, the pull cord 30 is taken and wound on the take-up shaft 20 until the Roman shade is completed.
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
- Blinds (AREA)
Description
Die Erfindung betrifft einen Raffvorhang gemäß dem Oberbegriff des Anspruches 1 und einen Zugschnurmitnehmer hierfür.The invention relates to a Roman blind according to the preamble of claim 1 and a Zugschnurmitnehmer for this purpose.
Ein Raffvorhang mit den Merkmalen des Oberbegriffes des Anspruches 1 ist durch die
Ein weiterer Raffvorhang ist aus der
Bei dem Raffvorhang nach der
Die Führung der Zugschnüre vermittels Umlenkösen ist derart, dass parallel zur Aufwickelwelle verlaufende Zugschnurabschnitte ausgebildet werden, die von der Mitnehmerscheibe ergriffen und zum Aufwickeln auf die Aufwickelwelle mitgenommen werden. Durch das Gewicht des Vorhanges und durch am unteren Ende des Vorhanges angeordnete Beschwerungsstäbe stehen die Zugschnüre bei entrafftem Vorhang immer unter Spannung, wodurch erreicht wird, dass die Zugschnüre in die am Umfang der Mitnehmerscheibe ausgebildete Aussparung der Mitnehmerscheibe gleiten können.The leadership of the drawstrings by means Umlenkösen is such that parallel to the take-up shaft extending Zugschnurabschnitte are formed, which are taken from the drive plate and taken for winding on the take-up shaft. Due to the weight of the curtain and by arranged at the bottom of the curtain weighting rods the pull cords are always under tension with entraffem curtain, thereby ensuring that the pull cords can slide in the formed on the circumference of the drive plate recess of the drive plate.
Bei den bekannten Raffvorhängen, bei denen die Zugschnüre des Vorhanges von Mitnehmern an der Aufwickelwelle erfasst werden, damit diese bei einem Drehen der Aufwickelwelle für den Raffvorgang auf dieser aufgewickelt werden können, tritt oftmals der Zustand ein, dass beim Entraffen des gerafften Vorhanges die Unterkante des Vorhanges durch ein Hindernis, wie z. B. ein auf der Fensterbank stehender Blumentopf, in eine Schräglage gebracht wird mit der Folge, dass in dem Vorhangabschnitt, der am weitesten entrafft ist, die Zugschnüre gespannt sind, während der andere Vorhangabschnitt, der wegen des Hindernisses nur geringfügig entspannt ist, die Zugschnüre entspannt sind, was wiederum zur Folge hat, dass die letztgenannten Zugschnüre aus dem Mitnehmer gleiten, insbesondere dann, wenn die Aufwickelwelle weiterhin in Umdrehung versetzt wird. Ist dieser Zustand eingetreten, dann ist ein Ausrichten des Vorhanges nur von Hand möglich. Der Raffvorhang ist immer dann in einem geraden Zustand bringbar, wenn die Zugschnur vom Mitnehmer von Hand gelöst wird, d. h. die Zugschnüre sind von Hand von den Mitnehmern zu entfernen, wenn der Entraffungsvorgang nicht gleichmäßig erfolgt ist, d. h. wenn durch ein im Bereich der Bewegungsbahn des Vorhanges liegendes Hindernis, die Unterkante des Vorhanges in eine Schräglage gebracht wird, wie dies in
Aufgabe der vorliegenden Erfindung ist es, einen Raffvorhang gemäß der eingangs beschriebenen Art zu schaffen, bei dem der an der Aufwickelwelle vorgesehene Mitnehmer aufgrund seiner Ausgestaltung für die Durchführung des Raffvorhanges die Zugschnur sicher ergreift und mitnimmt und beim Entraffen des Vorhanges die Zugschnur frei gibt, wobei diese bei weiteren Umdrehungen der Aufwickelwelle über den Mitnehmer gleitet, ohne dabei vom Mitnehmer ergriffen zu werden, so dass die Zugschnur in keiner Wirkverbindung mit dem Mitnehmer steht. Des weiteren soll bei Raffvorhängen eine technische Lösung geschaffen werden, die es ermöglicht, eine einwandfreie Betätigung des Raffvorhanges und ein einwandfreies, geordnetes Aufwickeln der Zugschnüre auf die Aufwickelwelle auch in dem Fall eines ungleichmäßigen Absenkens des Vorhanges zu gewährleisten, ohne dass es da zu einer zusätzlichen Handbetätigung der Zugschnüre bedarf. Des weiteren soll der Mitnehmer bevorzugterweise vermittels Klemmwirkung auf der Aufwickelwelle gehalten sein, um u. a. auch die Möglichkeit zu schaffen, Mitnehmer entsprechend den jeweiligen Erfordernissen auf der Aufwickelwelle an jeden beliebigen Wellenabschnitt anordnen zu können.Object of the present invention is to provide a Venetian blind according to the type described above, in which the provided on the take-up driver due to its design for the implementation of Roman blind pulls the pull cord safely and entrains and releases the drawstring when Entraffen the curtain, said this in further revolutions of the take-up shaft over the Carrier slides without being taken by the driver, so that the pull cord is in no operative connection with the driver. Furthermore, a technical solution is to be created in Roman blinds, which makes it possible to ensure proper operation of the Roman shade and a proper, orderly winding the pull cords on the take-up shaft in the event of uneven lowering of the curtain, without there being an additional Manual operation of the drawstrings required. Furthermore, the driver should preferably be held by means of clamping action on the take-up shaft in order, inter alia, also to create the possibility of being able to arrange drivers in accordance with the respective requirements on the take-up shaft to any shaft section.
Gelöst wird diese Aufgabe bei einem Raffvorhang mit den im Anspruch 1 angegebenen Merkmalen.This object is achieved in a Roman shade with the features specified in claim 1.
Danach besteht die Erfindung bei einem gattungsgemäßen Raffvorhang darin, dass der Mitnehmer aus einem auf die Aufwickelwelle aufgesetzten und klemmend auf dieser gehaltenen, etwa halbkreisförmig ausgebildeten Teilringkörper mit einem langnasenartigen oder keilförmigen Formkörper mit einem hakenartigen Mitnehmerabschnitt besteht, wobei der Teilringkörper mindestens den halben Umfang der Aufwickelwelle umgreift und einen Innendurchmesser aufweist, der in etwa dem Außendurchmesser der Aufwickelwelle entspricht, sowie vermittels Klemmsitz auf der Aufwickelwelle gehalten ist.Thereafter, the invention consists in a generic Raffvorhang that the driver consists of a placed on the winding shaft and clamped on this held, approximately semicircular part ring body with a long nose or wedge-shaped body with a hook-like cam portion, wherein the partial ring body at least half the circumference of the take-up shaft surrounds and has an inner diameter which corresponds approximately to the outer diameter of the take-up shaft, and is held by means of a press fit on the take-up shaft.
Mit der erfindungsgemäßen Ausgestaltung des Raffvorhanges wird erreicht, dass die Zugschnur für den Raffvorhang sicher ergriffen und auf der Aufwickelwelle aufgewickelt wird. Bei einer Umkehr der Drehrichtung der Aufwickelwelle, wenn der Vorhang entrafft wird, wird die Zugschnur von der Aufwickelwelle abgewickelt, ohne dass es dabei zu einem Verheddern oder Verhaken der Zugschnur am Mitnehmer erfolgt, da die Windungen der Zugschnur und diese selbst über den ansteigend verlaufenden Abschnitt des Mitnehmers geführt wird. Ist der Entraffvorhang beendet, dann besteht zwischen dem Mitnehmer und der Zugschnur keine Wirkverbindung, die Zugschnur ist frei und der Vorhang kann z. B. für einen Reinigungsvorgang von der Vorhangleiste gelöst und der Vorhang zusammen mit der Zugschnur abgenommen werden. Durch eine entsprechende Zuordnung der Umlenkelemente für die Zugschnur zur Aufwickelwelle ist es möglich, den parallel zur Längsachse der Aufwickelwelle geführten Zugschnurabschnitt auf den Umfang der Aufwickelwelle zu legen, so dass dieser Zugschnurabschnitt immer und sicher vom Mitnehmer ergriffen und mitgenommen wird. Dabei ist es unerheblich, ob der erfindungsgemäß gestaltete Mitnehmer direkt aus dem Material der Aufwickelwelle geformt oder auf die Außenwand der Aufwickelwelle direkt aufgesetzt und an dieser befestigt ist oder ob der Mitnehmer an der umlaufenden Außenwand eines ringförmigen Formkörpers angeordnet ist und dieser auf die Aufwickelwelle aufgesetzt und auf dieser klemmend gehalten ist.With the embodiment of the Roman shade according to the invention it is achieved that the pull cord for the roman shade is securely gripped and wound up on the take-up shaft. In a reversal of the direction of rotation of the take-up shaft, when the curtain is entraffed, the pull cord is unwound from the take-up shaft, without causing entanglement or entanglement of the pull cord on the driver, as the turns of the pull cord and this even over the rising portion the driver is guided. If the Entraffvorhang finished, then there is no operative connection between the driver and the pull cord, the pull cord is free and the curtain can, for. B. detached for a cleaning process of the curtain rail and the curtain can be removed together with the pull cord. By an appropriate assignment of the deflecting elements for the drawstring to the take-up shaft, it is possible to place the parallel to the longitudinal axis of the take-up shaft pull cord section on the circumference of the take-up shaft, so that this pull cord section always and safely taken by the driver and taken away. It is irrelevant whether the inventively designed driver is formed directly from the material of the take-up shaft or placed directly on the outer wall of the take-up shaft and secured thereto or whether the Driver is arranged on the circumferential outer wall of an annular shaped body and this is placed on the take-up shaft and held in clamping thereon.
Bei einem Raffvorhang, dessen Vorhang über zwei U-förmig über Umlenkelemente geführte Zugschnüre betätigt wird, sind die Zugschnüre beim Raffvorgang gespannt, wohingegen beim Entraffen und bei einem einseitigen Aufsitzen der Unterkante des Vorhanges auf einem Hindernis die Zugschnüre des nicht auf das Hindernis auftreffenden Vorhangabschnittes gespannt sind, während die Zugschnüre des auf das Hindernis auftreffenden Vorhangabschnittes entspannt sind, was dazu führt, dass diese Zugschnüre außerhalb des Mitnehmers zu liegen kommen.In a Venetian blind, the curtain is actuated by two U-shaped guided over deflecting pull cords, the pull cords are tightened during shirring, whereas when Entraffen and a one-sided Aufsitzen the lower edge of the curtain on an obstacle tensioned the pull cords of not hitting the obstacle curtain section are relaxed while the pull cords of the incident on the obstacle curtain section, which causes these drawstrings come to rest outside the driver.
Im entrafften Zustand des Vorhanges stehen die Zugschnüre nicht in Eingriff mit den Mitnehmern der Wickelwelle. Um einen Ausgleich bei einem Vorhang, der wegen eines Hindernisses in Bezug auf seine Unterkante eine Schräglage einnimmt, zu schaffen und um zu verhindern, dass die Zugschnüre sich verwickeln, werden die Zugschnüre bei einem weiteren Herunterlassen des Vorhanges von den Mitnehmern nicht erfasst und freigegeben, so dass in der heruntergelassenen Endstellung des Vorhanges die Zugschnüre außerhalb des Eingriffsbereiches der Mitnehmer liegen. Bei einem erneuten Einleiten eines Raffvorhanges werden die Zugschnüre von den Mitnehmern erfasst und auf die Wickelwelle aufgewickelt. Im gerafften Zustand des Vorhanges stehen die Zugschnüre in Eingriff mit den Mitnehmern.In the de-tightened state of the curtain, the pull cords are not in engagement with the drivers of the winding shaft. In order to compensate for a curtain, which assumes an inclined position due to an obstacle with respect to its lower edge, and to prevent the drawstrings from becoming entangled, the pull cords are not grasped and released by the entrainment members when the drape is lowered further, so that in the lowered end position of the curtain, the pull cords are outside the engagement area of the driver. When a Raffvorhanges re-initiating the pull cords are detected by the drivers and wound on the winding shaft. In the shirred state of the curtain, the pull cords are in engagement with the drivers.
Die teilringartige Ausgestaltung des Mitnehmers hat darüber hinaus den Vorteil, dass der Teilringkörper clipartig auf die Aufwickelwelle aufgeclipt wird, wobei die freien Enden der beiden Schenkel des Teilringkörpers die Aufwickelwelle übergreifen bzw. umgreifen, so dass der Teilringkörper mit seinem nasenartigen Formkörper, mit dem die Zugschnur ergriffen wird, klemmend auf der Aufwickelwelle gehalten ist, wobei die Möglichkeit besteht, dass der Teilringkörper aufgrund seiner federnd-elastischen Ausgestaltung und mit seinen an den Schenkelenden angeformten Nocken oder Zapfen in Längsnuten eingreift, die am Umfang der Aufwickelwelle ausgebildet sind. Diese clipartige Befestigungsart des Mitnehmers an der Aufwickelwelle eines Raffvorhanges ermöglicht das mühelose Abnehmen und Anbringen von Mitnehmern u. a. auch in Abhängigkeit von der jeweiligen Zugschnurführung in jedem beliebigen Abschnitt der Aufwickelwelle.The part-ring-like configuration of the driver also has the advantage that the partial ring body is clipped clip-like manner on the take-up shaft, wherein the free ends of the two legs of the partial ring body overlap or engage around the take-up shaft, so that the partial ring body with his nose-like molded body with which the pull cord is gripped, is held clamped on the take-up shaft, with the possibility that the partial ring body engages due to its resilient-elastic configuration and with its integrally formed on the leg ends cam or pin in longitudinal grooves on the circumference of the Winding shaft are formed. This clip-like mounting of the driver on the winding shaft of a Roman blind allows easy removal and attachment of drivers, among other things, depending on the respective Zugschnurführung in any section of the take-up shaft.
Der Mitnehmer ist langnasig ausgebildet, so dass die Zugschnur nur in einer Richtung mitgenommen werden kann und nicht beim Rückdrehen der Aufwickelwelle mitgenommen wird.The driver is langnasig trained, so that the pull cord can be taken only in one direction and is not taken during the reverse rotation of the take-up shaft.
So sieht eine Ausführungsform vor, dass der teilringartige Formkörper des Teilringkörpers mindestens den halben Umfang der Aufwickelwelle umgreift und einen Innendurchmesser aufweist, der in etwa dem Außendurchmesser der Aufwickelwelle entspricht.Thus, an embodiment provides that the part-ring-like shaped body of the partial ring body engages around at least half the circumference of the take-up shaft and has an inner diameter which corresponds approximately to the outer diameter of the take-up shaft.
Mindestens einer der beiden freien Schenkel des Teilringkörpers weist an seinem Endbereich einen dem Umfang der Aufwickelwelle zugekehrten Nocken auf, der in Eingriff mit mindestens einer an der Aufwickelwelle ausgebildeten Längsnut steht.At least one of the two free legs of the partial ring body has, at its end region, a cam facing the circumference of the winding shaft, which is in engagement with at least one longitudinal groove formed on the winding shaft.
Jeder der beiden freien Schenkel des Teilringkörpers weist bevorzugterweise an den Schenkelendbereichen je einen dem Umfang der Aufwickelwelle zugekehrten Nocken auf, wobei die beiden Nocken sich gegenüberliegend sind und in Eingriff mit je einer Längsnut zweier im Umfang der Aufwickelwelle ausgebildeten und sich gegenüberliegenden Längsnuten steht.Each of the two free legs of the partial ring body preferably has at the leg end portions each a circumference of the take-up shaft facing cam, wherein the two cams are opposite each other and is in engagement with a respective longitudinal groove of two formed in the circumference of the take-up shaft and opposite longitudinal grooves.
Der teilringartige Formkörper des Teilringkörpers umgreift mindestens den halben Umfang der Aufwickelwelle und ist vermittels Klemmsitz auf der Aufwickelwelle gehalten.The part-ring-shaped body of the partial ring body engages around at least half the circumference of the take-up shaft and is held by means of a press fit on the take-up shaft.
Der langnasen- bzw. keilförmige Formkörper des Mitnehmers ist im Bereich eines der beiden Schenkel des teilringartigen Formkörpers des Teilringkörpers angeordnet.The langnasen- or wedge-shaped molded body of the driver is arranged in the region of one of the two legs of the part-ring-like shaped body of the partial ring body.
Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Advantageous embodiments of the invention are the subject of the dependent claims.
In den Zeichnungen sind Ausführungsbeispiele des erfindungsgemäßen Raffvorhanges dargestellt und zwar zeigen:
- Fig. 1
- eine Vorderansicht eines Raffvorhanges mit einer Aufwickelwelle für eine über Umlenkelemente U-förmig geführte Zugschnur und mit einem auf der Aufwickelwelle angeordneten Teilringkörper mit einem nasenartigen oder keilförmigen Formkörper mit einem hakenartigen Mitnehmerabschnitt für die Zugschnur,
- Fig. 2
- eine Seitenansicht eines ösenartig ausgebildeten Umlenkelementes für die Zugschnur,
- Fig. 3
- einen senkrechten Querschnitt durch die Aufwickelwelle mit zwei sich gegenüberliegenden, in Wellenlängsrichtung verlaufenden Nuten, mit geradlinig verlaufenden Seitenwänden,
- Fig. 4
- einen senkrechten Querschnitt durch die Aufwickelwelle mit zwei sich gegenüberliegenden, in Wellenlängsrichtung verlaufenden Nuten mit konisch verlaufenden Seitenwänden,
- Fig. 5
- eine Seitenansicht eines als Teilringkörper ausgebildeten Mitnehmers mit in den Endbereichen der beiden Schenkel des Teilringkörpers angeordneten und sich gegenüberliegenden Nocken,
- Fig. 6
- eine Seitenansicht einer weiteren Ausführungsform des Teilringkörpers gemäß
Fig. 5 , - Fig. 7
- eine Seitenansicht einer weiteren Ausführungsform eines als Teilringkörper ausgebildeten Mitnehmers,
- Fig. 8
- teils in Ansicht, teils in einem senkrechten Schnitt eine zwei Längsnuten aufweisende Aufwickelwelle mit aufgesetztem Mitnehmer, wobei die Nocken des Teilringkörpers in die Längsnuten der Aufwickelwelle eingreifen,
- Fig. 9
- teils in Ansicht, teils in einem senkrechten Schnitt eine Aufwickelwelle mit einem aufgesetzten und klemmend gehaltenen als Teilringkörper ausgebildeten Mitnehmer,
- Fig. 10
- eine Vorderansicht eines Raffvorhanges mit einer Aufwickelwelle für eine über Umlenkelemente U-förmig geführte Zugschnur und mit einem auf die Aufwickelwelle aufgesetzten Teilringkörper mit auf seinen Außenwandflächen angeordnetem, nasenartigen oder keilförmigen Formkörper mit einem hakenartigen Mitnehmerabschnitt für die Zugschnur,
- Fig. 11
- eine schaubildliche Ansicht der Aufwickelwelle mit einem aufgesetzten Teilringkörper mit dem nasenartigen Zugschnurmitnehmer,
- Fig. 12 bis 14
- verschiedene Stellungen der Aufwickelwelle mit dem als Teilringkörper ausgebildeten Zugschnurmitnehmer in verschiedenen Stellungen während des Raffvorganges,
- Fig. 15 bis 17
- verschiedene Stellungen der Aufwickelwelle mit dem als Teilringkörper ausgebildeten Zugschnurmitnehmer während des Entraffungsvorganges,
- Fig. 18
- eine Vorderansicht eines Raffvorhanges mit einer Aufwickelwelle für zwei über Umlenkelemente U-förmig geführte Zugschnüre und mit zwei auf die Aufwickelwelle aufgesetzten Teilringkörper mit auf deren Außenwandflächen angeordneten nasenartigen oder keilförmigen Formkörpern mit einem hakenartigen Mitnehmerabschnitt für jede Zugschnur und
- Fig. 19
- eine schematische Vorderansicht eines Raffvorhanges mit einem herabgelassenen Vorhang, der durch ein Hindernis in eine Schräglage versetzt ist, wobei die Zugschnüre des gänzlich herabhängenden Vorhangabschnittes gespannt sind und die Zugschnüre des auf das Hindernis aufgetroffenen Vorhangabschnittes in einem ungespannten Zustand sind.
- Fig. 1
- a front view of a Venetian blind with a take-up shaft for a deflecting U-shaped guided pull cord and with a arranged on the take-up shaft partial ring body with a nose-like or wedge-shaped body with a hook-like catch portion for the pull cord,
- Fig. 2
- a side view of an eyelet-shaped deflection element for the pull cord,
- Fig. 3
- a vertical cross-section through the take-up shaft with two opposite grooves extending in the longitudinal direction, with rectilinear side walls,
- Fig. 4
- a vertical cross section through the take-up shaft with two opposite, extending in the longitudinal direction grooves with conical sidewalls,
- Fig. 5
- a side view of a formed as a partial ring body driver with arranged in the end regions of the two legs of the partial ring body and opposite cams,
- Fig. 6
- a side view of another embodiment of the partial ring body according to
Fig. 5 . - Fig. 7
- a side view of another embodiment of a formed as a partial ring body driver,
- Fig. 8
- partly in view, partly in a vertical section, a two longitudinal grooves having take-up shaft with attached driver, wherein the cams of the partial ring body engage in the longitudinal grooves of the take-up shaft,
- Fig. 9
- partly in view, partly in a vertical section, a take-up shaft with an attached and clamped designed as part ring body driver,
- Fig. 10
- a front view of a Venetian blind with a take-up shaft for a deflecting U-shaped guided pull cord and with a wound on the winding part ring body arranged on its outer wall surfaces, nose-like or wedge-shaped body with a hook-like catch portion for the drawstring,
- Fig. 11
- a perspective view of the take-up shaft with an attached partial ring body with the nose-like Zugschnurmitnehmer,
- Fig. 12 to 14
- different positions of the take-up shaft with the pull cord driver designed as a partial ring body in different positions during the shirring process,
- 15 to 17
- different positions of the take-up shaft with the pull cord driver formed as a partial ring body during the unraveling process,
- Fig. 18
- a front view of a Raffvorhanges with a winding shaft for two U-shaped guided over deflecting pull cords and two mounted on the take-up shaft shaft with arranged on the outer wall surfaces nose-like or wedge-shaped moldings with a hook-like cam portion for each pull cord and
- Fig. 19
- a schematic front view of a Roman shade with a lowered curtain, which is offset by an obstacle in an inclined position, wherein the pull cords of the fully drooping curtain portion are stretched and the pull cords of the impacted on the obstacle curtain portion are in an untensioned state.
Der in
Im Bereich der unteren Randkante 11 b des Vorhanges 11 kann dieser mit einer Beschwerungsleiste versehen sein.In the area of the
Während bei den Ausführungsformen nach
Das Raffen des Vorhanges 11 erfolgt über mindestens eine Zugschnur 30 bzw. mehrere Zugschnüre, wobei sich die Anzahl der Zugschnüre nach der Breite des Vorhanges richtet. Die Zugschnüre können einzeln oder auch paarweise zusammengefasst eingesetzt werden. Jede Zugschnur 30 ist an der Rückseite des Vorhanges 11 vermittels Führungsschlaufen oder Führungsösen gehalten und ist so geführt, dass zumindest ein U-förmiger Verlauf unter Ausbildung einer parallel zu einer Aufwickelwelle 20 verlaufendem Zugschnurabschnittes 31 erreicht wird (
Die Aufwickelwelle 20 ist in Lagern 21, 22 drehbar gelagert, die an der Vorhangleiste 10 befestigt sind. Die Betätigung der Aufwickelwelle 20 erfolgt von Hand oder elektromotorisch. Für die Handbetätigung ist dann eine Bedienungskette 23 vorgesehen.The take-up
Die Umlenkung der Zugschnur 30 bzw. der Zugschnüre erfolgt mittels an der Vorhangleiste 10 oder im oberen Randbereich des Vorhanges befestigten, bevorzugterweise ösenförmigen Umlenkelementen 35 in Form von herabhängenden Ösen oder senkrecht hervorstehenden Ösen, so dass der zwischen zwei Umlenkelementen geführte Zugschnurabschnitt 31 parallel zu der Aufwickelwelle 20 verläuft. Die Anordnung der Umlenkelemente 35 zur Aufwickelwelle 20 ist dabei derart, dass der waagerecht verlaufende Zugschnurabschnitt 31 in einem möglichst geringen Abstand zur Aufwickelwelle 20 verläuft (
Gemäß der Erfindung ist die Aufwickelwelle 20 mit einem Mitnehmer 40 zum Mitnehmen und Aufwickeln der Zugschnur 30 bzw. der Zugschnüre versehen.According to the invention, the take-up
Bei einer Ausführungsform gemäß
Bei der in
Der Teilringkörper 150 und der Formkörper 45 bestehen aus einem Kunststoff oder einem anderen geeigneten Material.The
Gemäß
Der Teilringkörper 150 wird gebildet von einem teilringartigen Formkörper, wobei der Innendurchmesser D1 des Teilringkörpers 150 in etwa dem Außendurchmesser D2 der Aufwickelwelle 20 entspricht (
Der teilringartige Formkörper 151 des Teilringkörpers 150 umgreift mindestens den halben Umfang der Aufwickelwelle 20 (
Für die Halterung des Teilringkörpers 150 auf der Aufwickelwelle 20 weist diese mindestens eine in Wellenlängsrichtung verlaufende Längsnut 24 bzw. 25 auf. Bei dem Ausführungsbeispiel gemäß
Die Halterung des Teilringkörpers 150 auf der Aufwickelwelle 20 erfolgt durch den Eingriff der Nocken 155, 155' in die Längsnuten 24, 25 der Aufwickelwelle 20 (
Der Teilringkörper 150 gemäß
Der Teilringkörper 150 gemäß
Der Teilringkörper 150 wird somit vermittels Klemmsitz auf der Aufwickelwelle 20 gehalten.The
Der nasen- bzw. keilförmige Formkörper 45 des Mitnehmers 40 ist im Bereich eines der beiden Schenkel 152, 153 des teilringartigen Formkörpers 151 des Teilringkörpers 50 angeordnet.The nose-shaped or wedge-shaped shaped
Die dem Umfang der Außenwandfläche 20a der Aufwickelwelle 20 zugekehrte Innenwandfläche des teilringartigen Formkörpers 151 des Teilringkörpers 150 ist zur Haftungsverbesserung mit einer noppenartigen oder saugnapfartigen Profilierung versehen.The periphery of the
Bei der Ausführungsform gemäß
Die
Im entrafften Zustand steht die Zugschnur 30 bzw. ihr Zugschnurabschnitt 31 außer Eingriff des Mitnehmers 40 (
- 100100
- RaffvorhangRoman blind
- 1010
- Vorhangleistecurtain bar
- 1111
- Vorhangcurtain
- 11a11a
- obere Randkanteupper edge
- 11b11b
- untere Randkantelower edge
- 2020
- Aufwickelwellewinding shaft
- 20a20a
- AußenwandflächeOuter wall surface
- 2121
- Lagercamp
- 2222
- Lagercamp
- 2323
- Bedienungsketteoperation chain
- 2424
- Längsnutlongitudinal groove
- 2525
- Längsnutlongitudinal groove
- 3030
- Zugschnurdrawstring
- 30'30 '
- Zugschnurdrawstring
- 3131
- ZugschnurabschnittZugschnurabschnitt
- 31'31 '
- ZugschnurabschnittZugschnurabschnitt
- 31a31a
- ZugschnurabschnittZugschnurabschnitt
- 3232
- senkrechter Zugschnurabschnittvertical drawstring section
- 32'32 '
- senkrechter Zugschnurabschnittvertical drawstring section
- 3333
- senkrechter Zugschnurabschnittvertical drawstring section
- 33'33 '
- senkrechter Zugschnurabschnittvertical drawstring section
- 3535
- ösenförmige Umlenkelementeeye-shaped deflecting elements
- 4040
- Mitnehmertakeaway
- 40'40 '
- Mitnehmertakeaway
- 4545
- Formkörpermoldings
- 45a45a
- ansteigender Abschnittascending section
- 45b45b
- hakenartiger Mitnehmerabschnitthook-like driver section
- 45c45c
- AußenwandflächeOuter wall surface
- 150a150a
- AußenwandflächeOuter wall surface
- 6060
- Hindernisobstacle
- 150150
- TeilringkörperPartial ring body
- 151151
- teilringartiger FormkörperPartial ring shaped body
- 152152
- Schenkelleg
- 152a152a
- SchenkelendbereichLeg end area
- 152b152b
- Schenkelabschnittleg portion
- 153153
- Schenkelleg
- 153a153a
- SchenkelendbereichLeg end area
- 153b153b
- Schenkelabschnittleg portion
- 155155
- Nockencam
- 155'155 '
- Nockencam
- D1D1
- Innendurchmesser TeilringkörperInner diameter partial ring body
- D2D2
- Außendurchmesser AufwickelwelleOuter diameter take-up shaft
Claims (6)
- A Roman blind (100) which comprises a curtain (11) fastened detachably to a curtain strip (10) and a winding shaft (20) which can be driven by hand for a pull cord (30) for gathering and ungathering the curtain (11), wherein the winding shaft (20) is provided with or without a longitudinal groove (24, 25) formed in the shaft circumference and running in the longitudinal direction of the shaft and wherein for grasping and entraining the pull cord (30) in the region of a pull cord section (31) formed by means of an eye-shaped deflecting element (35) and running parallel to the longitudinal direction of the winding shaft (20), the winding shaft (20) has at least one entrainer (40) on its circumference, wherein the entrainer (40) consists of an annular body disposed on the winding shaft (20), which consists of at least one nose-shaped or wedge-shaped moulding (45) projecting from the orbit of the outer wall surface of the winding shaft (20) and running in the direction of rotation of the winding shaft, comprising a section (45a) ascending from the outer wall surface (20a; 50a) and a hook-like entrainer section (45b) adjoining this section (45a) for the pull cord, wherein the nose-like moulding (45) is configured in such a manner that when turning the winding shaft (20) for gathering the curtain, the pull cord (30) or its pull cord section (31) comes to rest in the hook-shaped entrainer section (45b) and is entrained, wherein during a change in the direction of rotation of the winding shaft (20) for ungathering the curtain (11), the pull cord (30) or its pull cord section (31) is out of engagement with the hook-shaped entrainer section (45b) and slides over the outer wall surface (45c) or ascending section (45a) of the nose-shaped or wedge-shaped moulding (45), characterized in that the entrainer (40) consists of an approximately semi-circular part-annular body (150) placed directly on the winding shaft (20) and held in a clamping manner thereon having a long-nose-shaped or wedge-shaped moulding (45) with a hook-like entrainer section (45b), wherein the part-annular body (150) embraces at least half the circumference of the winding shaft (20) and has an inside diameter (D1) which approximately corresponds to the outside diameter (D2) of the winding shaft (20) and is held by means of a clamping fit on the winding shaft (20), wherein the moulding (45) is disposed on a circumferential outer wall of the part-annular body (150).
- The Roman blind according to claim 1, characterised in that at least one of the two legs (152, 153) of the part-annular body (150) has at its end region (152; 153a) a cam (155; 155') facing the circumference of the winding shaft (20), which engages with one of the longitudinal grooves (24, 25) of the winding shaft (20).
- The Roman blind according to claim 2, characterised in that each of the two legs (152, 153) of the part-annular body (150) preferably has respectively one cam (155, 155') facing the circumference of the winding shaft (20), wherein the two cams (155, 155') are opposite one another and engage with respectively one longitudinal groove (24, 25) of two opposite longitudinal grooves (24, 25) formed in the circumference of the winding shaft (20).
- The Roman blind according to any one of claims 1 to 3, characterised in that the nose- or wedge-shaped moulding (45) of the entrainer (40) is disposed in the region of one of the two legs (152; 153) of the part-annular body (150).
- The Roman blind according to any one of claims 1 to 4, characterised in that the part-annular body (150) consists of a spring-elastic plastic or another suitable material having resilient properties.
- The Roman blind according to any one of claims 1 to 5, characterised in that the inner wall surface of the part-annular body (150) facing the circumference of the winding shaft (20) is provided with a pimple-like or suction-cup-like profiling to improve adhesion.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE202006007842 | 2006-05-16 | ||
DE202006008891U DE202006008891U1 (en) | 2006-05-16 | 2006-06-02 | Ruffled blind is raised by cord with horizontal section which passes through two eyelets mounted on blind roller, hook being mounted between eyelets and spaced from them which engages with horizontal cord section when roller rotates |
DE202006008890U DE202006008890U1 (en) | 2006-05-16 | 2006-06-02 | Roman blind and drawstring catcher for this purpose |
Publications (3)
Publication Number | Publication Date |
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EP1857024A2 EP1857024A2 (en) | 2007-11-21 |
EP1857024A3 EP1857024A3 (en) | 2009-03-04 |
EP1857024B1 true EP1857024B1 (en) | 2013-12-04 |
Family
ID=38293071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP06014983.8A Active EP1857024B1 (en) | 2006-05-16 | 2006-07-19 | Roman shade and drawing cord catch for this shade |
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CN114027693B (en) * | 2021-09-26 | 2023-07-21 | 浙江达睿斯家居有限公司 | Intelligent electric curtain based on intelligent home |
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DE202005011982U1 (en) * | 2005-07-30 | 2005-10-13 | August Bünger Bob-Textilwerk GmbH & Co. K.G. | Ruffled blind has slide for each cord which defines winding zone for it on rotating shaft, notched wheel mounted inside slide guiding cord and arm holding slide in position |
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EP1857024A3 (en) | 2009-03-04 |
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