EP2307651B1 - Vorhang mit einer schiebbaren wendevorrichtung für lamellen - Google Patents

Vorhang mit einer schiebbaren wendevorrichtung für lamellen Download PDF

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Publication number
EP2307651B1
EP2307651B1 EP08758220.1A EP08758220A EP2307651B1 EP 2307651 B1 EP2307651 B1 EP 2307651B1 EP 08758220 A EP08758220 A EP 08758220A EP 2307651 B1 EP2307651 B1 EP 2307651B1
Authority
EP
European Patent Office
Prior art keywords
assembly member
tilt
slats
assembly
cord
Prior art date
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Active
Application number
EP08758220.1A
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English (en)
French (fr)
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EP2307651A1 (de
Inventor
Martin Birkkjaer
Ove Kold
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VKR Holding AS
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VKR Holding AS
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Filing date
Publication date
Application filed by VKR Holding AS filed Critical VKR Holding AS
Priority to PL08758220T priority Critical patent/PL2307651T3/pl
Publication of EP2307651A1 publication Critical patent/EP2307651A1/de
Application granted granted Critical
Publication of EP2307651B1 publication Critical patent/EP2307651B1/de
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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

Definitions

  • the present invention relates to a screening arrangement
  • a top element having a longitudinal direction, which is adapted to be positioned along a longitudinal direction of a top piece of a frame in a condition of use, and a height direction, which is adapted to be positioned along a longitudinal direction of a side piece of a frame in a condition of use
  • a screening device comprising a plurality of tiltable slats adapted to at least partly screening an aperture of the frame, and a tilt cord connected to a tilt assembly accommodated in said top element and to said slats, a means in connection with said tilt cord for tilting said slats between a first and a second predetermined position.
  • Screening arrangements such as Venetian blinds are widely used for screening an opening of a building such as a window in order to screen the light directly penetrating into the building or to prevent persons from being able to look directly into the building.
  • it is important to adjust the screening arrangement so that the visibility into the building is kept at a minimum, while the amount of light entering the building is suitable for the persons inside the building.
  • screening arrangements are designed with slats being tiltable in order to provide the above-described flexibility.
  • the tilts can be tilted so that they fulfil the need for light penetration and visibility.
  • Slats of a screening arrangement can provide a light regulating effect by guiding the light penetrating through the slats up in the ceiling or down towards the floor.
  • tilting the slats in a Venetian blind are known. For example it is well known to tilt the slats by rotating a rod, where the slats can be tilted from a horizontal position wherein the slats are oriented in a position allowing maximum light to penetrate the building to vertical positions wherein the slats provides a maximum screening of the window aperture.
  • the slats are provided in at least two vertically-extending slat-supporting cord ladders each comprising a first and a second vertical member connected by a plurality of vertically-spaced cross-rungs.
  • the cord ladders are typically connected to a relatively thin shaft extending in the longitudinal direction of a top element of the screening arrangement, which shaft is connected to a rod by a transmission such a as a worm gear.
  • a transmission such a as a worm gear
  • WO 2004/029397 discloses a screening arrangement for tilting slats of a screening device comprising a plurality of slats.
  • the screening arrangement comprises a rotatable shaft in connection with tilt cords connected to the slats.
  • the tilt cords and the shaft are connected by a disconnecting mechanism comprising a spring wound around the shaft.
  • a disconnecting mechanism comprising a spring wound around the shaft.
  • GB 2434824 discloses a mechanism for tilting slats of a Venetian blind by using a tilt assembly comprising a base portion with an aperture and a slide portion attached to the base portion.
  • the base portion is fixed in relation to an aperture of a supporting bottom portion of a top element of a screening device.
  • the side portion is slidably movable with respect to the base portion and respective ends of the tilt cord in connection with slats of the blind are connected to respective ends of the slide portion.
  • the slide portion is moved in either longitudinal direction of the top element the slats are tilted from one position to another by at least pulling one of said ends of the tilt cord.
  • the tilt portion is moved by means of cord loop, which is connected to the tilt assembly by means of a geared transmission.
  • EP 1 213 438 discloses a tilt drive unit for a Venetian blind, which tilt drive unit is designed to keep the slats of the blind in a tilted position.
  • the tilt drive unit has a tilt roller positioned on a drive shaft of the blind and its radially outer surface is engaged by a movable tilt member attached to operating cord for adjusting the angular position of the slats.
  • GB 688 105 discloses a device for adjusting a Venetian blind.
  • the top element of the blind comprising two drive shafts connected to tilt cords of the blind.
  • the drive shafts is connected to an operating cord via a gearing positioned at one end of the top element.
  • said screening arrangement is further characterized in that said tilt assembly comprises a first assembly member connected to said tilt cord and being rotatable around an axis of rotation substantially parallel to the height direction of said top element and a second assembly member, which is movable in the longitudinal direction of said top element, and in that said first and second assembly members interact and provide a rotation of said first assembly by moving said second assembly member between a first and a second end position corresponding to the first and second predetermined position, respectively, of said slats.
  • said second assembly member is adapted to accommodate at least a portion of said tilt cord.
  • said assembly member comprises at least one circumferential recess for accommodating a portion of said tilt cord.
  • said first assembly member comprises a track adapted to guide a guide pin of said second assembly member in order to provide a rotation of said second assembly member when moving said first assembly member between said first and second end positions.
  • said first assembly member comprises a further track adapted to guide a further guide pin of said second assembly member.
  • This embodiment has shown to be especially useful for providing a slim tilt assembly made in a mechanically simple design and which makes is possible to provide a rotation of 180 degrees of said slats.
  • said tracks are adapted to provide a variable angular velocity of the slats when moving the first assembly member at a constant velocity between said first and second end positions.
  • said guide pins are separated by 90 degrees with respect to said axis of rotation.
  • said guide pins on said first assembly member provides for a second assembly member having two tracks not crossing each other.
  • the screening arrangement further comprises two side rails adapted to be connected to side pieces of a frame.
  • This embodiment makes is possible to use the screening arrangement with a roof window, because the side rails may serve as means for guiding the operating element of the screening device.
  • said means in connection with said tilt cord is an operating handle positioned on one of said side rails and being connected to a cord loop in connection with said first assembly member.
  • Figs. 1 to 4 show an embodiment of a screening arrangement generally designated 1.
  • the screening arrangement 1 is adapted to be mounted on a frame constituted by a sash 2 representing a window.
  • the sash 2 in turn, is adapted to be connected with a stationary frame (not shown), which in a mounted position of the window lines an opening in a building.
  • frame is to be understood as incorporating any structure positioned in any opening in a building, whether in a wall or the roof, and surrounding an aperture to be screened.
  • a screening arrangement 1 is the sash of a roof window and the screening arrangement 1 is mounted on the sash 2 of the window
  • a screening arrangement 1 according to the invention may just as well be mounted on the stationary frame instead of the sash and may also be utilized in connection with e.g. windows having a frame only, or in doors.
  • the sash 2 has a top piece 21, a bottom piece 22 and two side pieces 23 and 24 surrounding an aperture, which is covered by a suitable panel element such as a glazing in the form of an insulating pane (not shown).
  • the screening arrangement 1 is a Venetian blind comprising a screening device 6 comprising a number of slats 80, tilt cords 81 and operating cords (not shown). At its upper end edge, the screening device 6 is fastened to a top element 4 by means of said tilt cords 81 and operating cords. Its opposed, lower end edge is fastened to the operating element 71.
  • the operating element 71 and the slats 80 extend substantially in parallel to each other in a first longitudinal direction defining a width direction.
  • the first longitudinal direction is substantially perpendicular to a second longitudinal direction defining a height direction.
  • the width direction is parallel to the top and bottom pieces 21 and 22 and the height direction to the side pieces 23 and 24 of the sash 2.
  • the top element 4 is adapted to be positioned at the sash top piece 21 such that a top rail 440 of the top element 4 extends in the first longitudinal of width direction.
  • Side rails 8, 9 are adapted to be positioned at the left-hand side piece 23 and right-hand side piece 24, respectively, to extend in the second longitudinal or height direction.
  • the terms “left-hand” and “right-hand” refer to the orientation shown in for instance Figs 1 and 2 and are utilized for reasons of convenience only.
  • the terms “front” and “back” are utilized to denote the sides of the screening arrangement, "front” being the side intended to face inwards into the room of the building, and “back” the outwards facing side.
  • the top rail 440 has two ends, which in the embodiment shown are mitred, and of which the left-hand mitred end 445 and the right-hand mitred end 446 are indicated in Fig. 5 .
  • the mitred ends 445, 446 are adapted to be joined to a respective mitred end of the side rails 8, 9.
  • the top rail 440 is joined to the side rails 8, 9 in joints by means of angular brackets 85.
  • Opposite ends of the operating element 71 are introduced into these side rails 8 and 9.
  • each end of the top element 4 has an end piece 450 with a resilient portion 451, which end piece is adapted to engage with respective bracket member (not shown) mounted on opposing sides of a sash or a frame.
  • the operating element 71 is adapted to act as a handle during operation of the screening arrangement 1, i.e. for moving the operating element 71 and hence the slats 80 between a non-screening position and a screening position corresponding to the positions shown in Fig. 2 and Fig. 4 , in which the screening device 6 covers the sash aperture partly or fully.
  • the screening arrangement may be operated by other means, e.g. by electrical operating means.
  • the tilt cords 81 of the screening device 6 each comprises a first and a second cord connected by a plurality of vertically-spaced cross-rungs, which first and second cords in a condition of use extends in the above-mentioned height direction.
  • the slats 80 of the screening device 6 are each supported on one of said cross-rungs between said first and second cords of the tilt cords 81.
  • the slats 80 may also be placed between two close-set cross-rungs or they may also be mounted directly to the vertical portions of the tilt cords 81.
  • the top element 4 comprises an adjusting mechanism in connection with the cords 81 for commonly pivoting each of said slats 80 about their longitudinal direction, which in a condition of use corresponds to the above-mentioned width direction.
  • first and second cords of the tilt cords By moving said first and second cords of the tilt cords in vertically opposite directions, respective first and second screening surfaces of the slats 80 may be tilted to face either the front or back as defined above.
  • the slats 80 may be tilted 180 degrees.
  • Fig. 5 is a perspective front view of a top element 4 comprising two tilt assemblies 460.
  • Each tilt assembly 460 comprises a first tilt assembly 470 (cf. Fig. 6 ) and second tilt assembly 480 (cf. Fig. 8 ), which are to be explained in more detail below.
  • a portion of a cord loop 90 connected to said tilt assemblies 460 which cord loop 90 in a preferred embodiment is directly connected to a handle 10 positioned on one of said side rails 8, 9.
  • a cord loop wheel 95 at the left-hand side of the top element serves a turning point of the cord loop 90.
  • Fig. 5B shows the direct connection between the handle 10 and the tilt assemblies 460 accommodated in the top element 4.
  • the loop wheel 95 in the upper left corner of the screening arrangement 1 and a corresponding loop arrangement near the bottom sash piece 22, constitute in a manner known per se, the turning points of the cord loop 90.
  • the cord loop 90 is adapted to extend from the cord loop wheel 95 at the left-hand upper corner of the top element 4, along the top element 4 and the side rail 9 to the right-hand lower corner of the sash. In the mounted position, the cord loop 90 is hidden behind the side rails 8, 9.
  • the cord loop 90 could be divided in two with first portion extending along the side rails 8, 9 to a transmission in the top element, which connects to a second portion of the cord loop, which extends along the top element 4.
  • Fig. 6 shows a portion of the tilt assemblies 460 in a preferred embodiment of the invention, wherein the first assembly member is a rotatory wheel 470.
  • Each vertically extending cord of the tilt cords 81 of the screening device 6 are connected (not shown) to said rotatory wheels 470, respectively.
  • the rotatory wheels 470 have an axis of rotation, which is substantially parallel to the height direction of the top element 4.
  • the tilt cords 81 of the screening device 6 are guided through respective elongate apertures 486 of a supporting bottom portion 485 of the top element 4 and connected to tilt assemblies 460 serving each tilt cord 81, respectively.
  • the supporting bottom portion 485 may be adapted to accommodate and form a support for said rotatory wheels 470 as shown in Fig. 6 .
  • each tilt assembly 460 may further comprise a support portion 490 adapted to fit into the top element 4.
  • the support portion 490 comprises an elongate aperture 496 corresponding to the elongate aperture of the bottom support portion 485 of the top element 4.
  • the support portion 490 is also adapted to receive and support a rotatory wheel 470 as a first assembly member and a second assembly member 480, which second member 480 in the shown embodiment is a plate having a first upper side 481 and a second lower side 482 comprising a first and a second track 483, 484.
  • the support portion 490 is provided with first and second sidewalls 495, 497, adapted to guide the second assembly member 480 in the longitudinal direction of the top element 4.
  • the features of the support portion 490 may be an integral part of the top element 4.
  • the second assembly member 480 is adapted to engage with and thereby rotate the first assembly member when the second assembly member is moved in the longitudinal direction of the top element 4.
  • the apertures 486 and 491 of the top element and the tilt assembly 460, respectively, are rounded with a diameter that reduces wear and tear of the tilt cords 81 during operation.
  • the size of the apertures 486, 491 are adapted to make it possible to introduce the first assembly member 470 through the apertures after the tilt cords 81 have been mounted to the first assembly member 470, which further facilitates the assembling of the screening arrangement 1.
  • the first assembly member is a rotatory wheel 470 comprising an at least partly circumferential recess 471 for accommodating a portion of said tilt cords 81.
  • the tilt cord 81 may be connected directly to the first assembly member without the use of a recess.
  • the slats 80 are tilted by rotating the rotatory wheels 470 connected to the tilt cords 81, which will pull the first and second cords of the tilt cord 81, respectively.
  • a rotation of 180 degrees of the first tilt assembly 470 corresponds to a rotation of 180 degrees of the slats 80.
  • Fig. 9 is a view according to fig. 8 wherein the second assembly member 480 has been removed.
  • the rotatary wheel 470 comprises two pins 473, 474 on an upper surface 475 facing away from the bottom portion 485 of the support portion 490 of the tilt assembly 460. Said pins 473, 474 are adapted to engage with first and second tracks 483, 484 provided on the lower side 482 of a second assembly member 480.
  • the second assembly member 480 When the second assembly member 480 is positioned between the side walls 495, 497 with the lower side 482 comprising tracks 483, 484 facing towards the support portion 490 and the pins 473, 474 of the rotatory wheel 470 engages with the tracks 483, 484, the rotatory wheel 470 is rotated by moving the second assembly member 480 in the longitudinal direction of the tilt assembly as indicated by the arrows A of Fig. 8 .
  • the tracks 483, 484 on the lower side 482 of the second assembly member 480 are further illustrated in Fig. 10 .
  • the second assembly member 480 may be moved in the longitudinal direction by means of a cord loop 90 connected to a handle 10 mounted to and slidable along a side rail 8, 9.
  • the tilt assembly 460 may be operated by other means, e.g. by electrical operating means accommodated in the top element 4.
  • the second assembly member 480 may be moved between a first and a second end position corresponding to the rotation of the slats 80.
  • Fig. 11 is a top view of Fig. 9 showing the position of the pins 473, 474 with respect to the sidewalls 495, 497 in a preferred embodiment.
  • the position of the pins 493, 494 in Fig. 11 corresponds to the end position of the second assembly member as shown in Figs. 8 and 11B .
  • the end positions of the second assembly member may be defined by end stops in the top element or in the bottom portion 490 of the tilt assembly 460 such as protrusions 492, 494, which may engage with a portion of the second assembly member 480. It is also possible to use either of the tracks as means for providing an end position of the second assembly member 480. This could for instance be made as shown in Fig.
  • the tilt assembly 460 may be mounted in the top element 4 by means of a snap connection, which provides for a facilitated production.
  • snap pins extending from each corner of the support portion 490 provide the snap connection.
  • Fig. 12 is a perspective view of the second assembly member 480 having a lever arm 20 pivotally connected to the second assembly member 480.
  • the lever arm 20 is pivotal between two walls 485, 486 of the upper side 481 of the second assembly member 480 with respect to a pivot 30.
  • the lever arm is U-shaped and comprises a first arm 21 and a second arm 22, both extending from the pivot 30.
  • the first arm 21 extends on the upper surface 481 of the second assembly member 480, whereas the second arm 22 extends through an aperture 487 to the lower side 482 of the second assembly member 480.
  • a pin 25 extends substantially perpendicular from the second arm 20. As shown in Fig.
  • the second arm 22 extends in a L-shaped fashion from the pivot 30 into the pin 25 and thereby forms a U-shaped recess 35 of the lever arm 20.
  • the lever arm 20 is adapted to receive the cord in the recess 35, which is adapted to squeeze said cord slightly when it has been positioned in the recess 35.
  • the cord which preferably is a part of a cord loop 90
  • the lever arm 20 will pivot from the position shown in Fig. 13 towards the position in Fig. 12 and thereby the cord will be squeezed further between the either of the walls 485, 486 and the pivot 30, depending on the direction in which the cord is pulled.
  • the second assembly member 480 is mounted in a top element 4 it can be moved with respect to the longitudinal direction of the top element 4 by pulling the cord.
  • the wall of the U-shaped recess 35 facing the pivot 30 is substantially crescent with a substantially sharp edge on each side of the lever arm 20.
  • the locking mechanism of the second assembly member 48 must have a recess or a bore adapted to receive a cord and provide a resistance to the cord when it is pulled and preferably the pull resistance is increased when the cord is pulled.
  • the second assembly member 480 is provided with a tubular element substantially extending in the longitudinal direction of the top element 4. A cord is pulled through a through-going bore of the tubular element, which hole is slightly smaller than the diameter of the cord in order to obtain a friction between the tubular element and the cord.
  • the cord is connected to the second assembly member 480 by means of a ball bearing and a ball mounted on said assembly member 480.
  • the ball is pushed towards the ball bearing by a spring and the cord is guided between the ball and the ball bearing in order to provide the friction required for moving the assembly member 480.
  • the cord When the second assembly member 480 reaches an end position, the cord may be pulled through the through-going bore or between the ball bearing and the spring loaded ball, which provides for a flexible positioning of the handle 10.
  • the support portion 490 comprises two end stop pins 492, 494 in connection with end walls 496 of the support portion 490.
  • the end stop pins 492, 494 are adapted as respective end positions when moving the second assembly member 480 with respect to the longitudinal direction of a top element 4.
  • the support portion 490 and said end stop pins 492, 494 may be an integral part of the top element 4.
  • the cord connected to the second assembly member is a part of a cord loop 90 as illustrated in Fig. 5 .
  • the pin 25 of the lever arm 20 protrudes in a recess 30 on the lower side 482 of the second assembly member 480. Therefore when the lever arm 20 reaches an end stop pin 492, 494 the second assembly member reaches an end position. Pulling the cord loop 90 further towards an end stop pin 492, 494 will pivot the lever arm 20 to a position as shown in Fig. 5 and 13 . In this position the cord loop 90 is only slightly squeezed by the lever arm 20 and the second assembly member 480 is stopped in an end position until the cord loop 90 is pulled in another direction. Hence, the pins 492, 494 define respective end positions for the movement of the second assembly member 480.
  • the cord loop 90 can be pulled further by means of the handle 10 without moving the second assembly member 480. Thereby it is possible to move the handle 10 further in the same direction after the second assembly member 480 has reached an end position and thereby adjust the position of the handle 10 in order to fit the operating position to the individual user.
  • the cord loop 90 is provided by a cord having its two end connected to the handle 10 of the screening arrangement.
  • the cord loop 90 may be divided in two parts having a first part extending in the longitudinal direction of a side rail 8, 9 and having it ends connected to the handle 10.
  • the first part of the cord loop takes a turn in the top element 4 and at the opposite end of the side rail 8, 9.
  • the first part of the cord loop is connected to a transmission, which may comprise a gearing.
  • a second part of the cord loop connected to the tilt assembly 460 extends in the longitudinal direction of the top element 4 and takes a turn at a cord loop wheel 95 and in said transmission.
  • the use of a cord loop 90 divided in two parts may provide for a facilitated installation of the screening arrangement 1 and the use of a transmission with a gearing makes it possible to further adjust the relation between a movement of the handle 10 and the rotation of the slats 80.
  • a screening arrangement 1 comprises two or more tilt assemblies 460, which must operate on the tilt cords 81 simultaneously.
  • the tilt assemblies 460 are connected with a cord loop 90, which on the other hand is connected to the tilt assemblies 460 with a lever arm 20 functioning as described above, the operating position of the tilt assemblies 460 will automatically be synchronised as the handle 10 is moved along the side rail 9.
  • a screening arrangement according to the invention provides a very stable operation of the tilt cords 81 and any possible adjustment of the tilt mechanism of the screening arrangement 1 is made during normal operation, without any special interaction on the user.
  • Figs. 15A-15E illustrate how the pins 473, 474 of the rotatory wheel 470 engage with the tracks 483, 484 of the second assembly member 480 in a preferred embodiment.
  • the position of the tilt assembly shown in Fig. 15A corresponds to an end position wherein the slats 81 of the screening device are tilted to an almost upright position wherein a screening surface of the slats 80 substantially are facing the aperture to be screened.
  • the second pin 474 engages with the second track 484, but the rotatory wheel 470 is in a position wherein the first pin 473 does not engage with the first track 483.
  • the walls of the tracks 483, 484 may in all positions apply a force to a least one the pins 473, 474 and thereby a counter-clockwise rotation of the rotatory wheel 470 is obtained.
  • the position of the rotatory wheel 470 shown in Fig. 15D is of special interest with respect to the preferred embodiment of the invention.
  • the second pin 474 is in a position wherein the second track 484 alone cannot apply a force to the second pin 474 in order to further rotate the rotatory wheel 470 in the counter-clockwise direction.
  • the first track 483 can still apply a force to the first pin 473 in order move the second pin 474 beyond the position of Fig. 15D , which corresponds to a rotation of approximately 120 degrees.
  • the tracks 483, 484 and the end positions of the tilt assembly 460 is adapted to provide a transmission between the handle 10 and the rotation of the slats so that if the handle 10 is moved approximately 10 centimetre along the side rail 9, the slats 80 are tilted 180 degrees.
  • the tracks 483, 484 can take many other shapes, which may provide for different angular velocities of the slats when moving the handle 10 along the side rail 9.
  • the tracks 483, 484 it is for example possible to design the tracks 483, 484 so that the handle 10 more easily can be used for fine tuning the tilt of the slats 80; when they are in a position as shown in Figs. 1-4 , and when the slats 80 are tilted to a full screening position even a relatively small movement of the handle 10, will result is a relatively large rotation of the slats 80.
  • a further aspect of the preferred embodiment is the position of the first and second pins 473, 474 of the rotatory member 470 with respect to each other and with respect to how they are positioned in the end positions shown in Fig. 15A and 15E .
  • the pins 473, 474 are positioned on the upper surface 475 of the rotatory wheel 470 adjacent to the edge and they separated 90 degrees with respect to the axis of rotation.
  • the tracks 483, 484 of the second assembly member is designed so that the tracks 483, 484 do not cross each other. If the tracks 483, 484 cross each, the operation of the tilt assembly 460 may be less smooth, because the pins 473, 474 may get stuck is such a cross-section of the tracks 483, 484.
  • the position of the first pin 473 may for instance be rotated 15 degrees with respect to the adjacent first and second sidewalls 495, 497, respectively, as shown in the end positions of Fig. 15A and 15E , and the two pins 473, 474 are separated by 90 degrees. This is further illustrated the angle a in Fig. 11 , which corresponds to the end position of Fig. 15A .
  • the separation of the pins 473, 474 by 90 degrees provides for an more even rotation of the first assembly member 470, because either of the tracks 483, 484 is able to contribute with a force to the pins 473, 474 in all positions of the first assembly member 470, when the second assembly member 480 is moved between its end positions corresponding to the end positions of the slats 81, and in most positions both tracks 483, 484 will apply a force to the pins 473, 474 and thereby contribute to a smooth rotation.
  • a similar transmission and engagement between the first assembly member 470 and the second assembly member 480 may be achieved by providing the second assembly member 480 with a plurality of pins or protrusions and the rotatory wheel 470 with a plurality of tracks or recesses adapted to engage with the pins or protrusions of the second assembly member 480.
  • the first assembly member is shaped as a wheel.
  • the first assembly member 470 can take many other shapes than a wheel in order to provide a connection between the tilt cords 81 and the second assembly member 480.
  • the invention is not limited to embodiments wherein the axis of rotation corresponds to a symmetry axis of the wheel 470 or a symmetry axis of any other suitable rotatory member 470.
  • said first and second tracks 483, 484 are provided as elongate tongues, which engage with corresponding grooves provided on said pins 473, 474 and the pins are rotatable with respect to the rotatory member 470.
  • the rotatory member 470 is provided with two further pins facing the top element 4, which is provided with two tracks for receiving said two further pins.
  • the rotatory member 470 can be positioned to be floating or freely embedded between the second assembly member 480 and the top element 4.
  • this embodiment could also be achieved by using elongate tongues and groves as described above.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Claims (10)

  1. Abschirmanordnung (1) mit
    einem oberen Element (4) mit einer Längsrichtung, die angepasst ist, im Zustand der Verwendung entlang einer Längsrichtung eines oberen Teils eines Rahmens angeordnet zu werden, und mit einer Höhenrichtung, die angepasst ist, in einem Zustand der Verwendung entlang einer Längsrichtung eines Seitenteils eines Rahmens angeordnet zu werden, einer Abschirmeinrichtung (6), die eine Vielzahl von schwenkbaren Lamellen (80) aufweist, die angepasst sind, um zumindest teilweise eine Öffnung des Rahmens abzuschirmen, und die eine Schwenkschnur (81) aufweist, die mit einer Schwenkanordnung (460), die in dem oberen Element (4) aufgenommen ist, und den Lamellen (80) verbunden ist, einem Mittel (10) in Verbindung mit der Schwenkschnur (81) zum Verschwenken der Lamellen zwischen einer ersten und einer zweiten vorgegebenen Stellung,
    dadurch gekennzeichnet, dass
    die Schwenkanordnung (460) ein erstes Anordnungsteil (470), das mit der Schwenkschnur (81) verbunden und um eine Drehachse drehbar ist, die im Wesentlichen parallel zu der Höhenrichtung des oberen Elements (4) ist, und ein zweites Anordnungsteil (480) aufweist, das in der Längsrichtung des oberen Elements (4) beweglich ist, und dass das erste und das zweite Anordnungsteil (470, 480) zusammen wirken und eine Drehung des ersten Anordnungsteils (470) durch Bewegen des zweiten Anordnungsteils (480) zwischen einer ersten und einer zweiten Endstellung vorsehen, die der ersten bzw. der zweiten vorgegebenen Stellung der Lamellen (80) entsprechen.
  2. Abschirmanordnung nach Anspruch 1, wobei das erste Anordnungsteil (470) angepasst ist, zumindest einen Teil der Schwenkschnur (81) aufzunehmen.
  3. Abschirmanordnung nach Anspruch 2, wobei das erste Anordnungsteil (470) wenigstens eine in Umfangsrichtung verlaufende Vertiefung zur Aufnahme eines Teils der Schwenkschnur aufweist.
  4. Abschirmanordnung nach den Ansprüchen 1 bis 3, wobei das zweite Anordnungsteil (480) eine Führung (483) aufweist, die zum Führen eines Führungsstifts (473) des ersten Anordnungsteils (470) angepasst ist, um eine Drehung des ersten Anordnungsteils (470) vorzusehen, wenn das zweite Anordnungsteil (480) zwischen der ersten und der zweiten Endstellung bewegt wird.
  5. Abschirmanordnung nach Anspruch 4, wobei das zweite Anordnungsteil (480) eine weitere Führung (484) aufweist, die angepasst ist, einen weiteren Führungsstift (474) des ersten Anordnungsteils (470) zu führen.
  6. Abschirmanordnung nach Anspruch 5, wobei die Führungen (483, 484) angepasst sind, variable Winkelgeschwindigkeiten der Lamellen vorzusehen, wenn das zweite Anordnungsteil (480) mit einer konstanten Geschwindigkeit zwischen der ersten und der zweiten Endstellung bewegt wird.
  7. Abschirmanordnung nach den Ansprüchen 5 bis 6, wobei die Führungsstifte (473, 474) um 90° in Bezug auf die Drehachse beabstandet sind.
  8. Abschirmanordnung nach den Ansprüchen 5 bis 7, wobei die Position der Führungsstifte (473, 474) an dem ersten Anordnungsteil (470) dafür sorgt, dass das zweite Anordnungsteil (480) zwei Führungen (483, 484) hat, die sich nicht kreuzen.
  9. Abschirmanordnung nach einem der vorhergehenden Ansprüche, ferner mit zwei Seitenschienen (8, 9), die angepasst sind, mit Seitenteilen eines Rahmens verbunden zu werden.
  10. Abschirmanordnung nach Anspruch 9, wobei die Mittel (10) in Verbindung mit der Schwenkschnur ein Betätigungshebel sind, der an einer der Seitenschienen (8, 9) angeordnet und mit einer Schnurschlinge in Verbindung mit dem zweiten Anordnungsteil (480) verbunden ist.
EP08758220.1A 2008-06-10 2008-06-10 Vorhang mit einer schiebbaren wendevorrichtung für lamellen Active EP2307651B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08758220T PL2307651T3 (pl) 2008-06-10 2008-06-10 Urządzenie zasłaniające z przesuwnym mechanizmem dla odchylających się listew

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DK2008/000211 WO2009149707A1 (en) 2008-06-10 2008-06-10 Screening device with a sliding mechanism for tilting slats

Publications (2)

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EP2307651A1 EP2307651A1 (de) 2011-04-13
EP2307651B1 true EP2307651B1 (de) 2013-07-24

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EP (1) EP2307651B1 (de)
CN (1) CN102057127B (de)
PL (1) PL2307651T3 (de)
WO (1) WO2009149707A1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB688105A (en) 1951-10-09 1953-02-25 Fabers Fab As C Improvements in or relating to devices for the adjustment of venetian blinds
NL1016786C1 (nl) 2000-12-04 2002-06-05 Hunter Douglas Ind Bv Open-tilt-unit voor de monocommando jaloezie.
CN1302196C (zh) * 2001-07-16 2007-02-28 亨特道格拉斯有限公司 用于建筑上的开口的百叶窗类型的覆盖物
PL214043B1 (pl) * 2002-09-26 2013-06-28 Vkr Holding As Uklad do przechylania wielu listew w urzadzeniu zaslaniajacym, urzadzenie zaslaniajace z wieloma listwami oraz zastosowanie takiego urzadzenia
GB2434824B (en) * 2006-02-01 2011-05-04 Turnils Blinds and components thereof

Also Published As

Publication number Publication date
PL2307651T3 (pl) 2013-12-31
WO2009149707A1 (en) 2009-12-17
CN102057127A (zh) 2011-05-11
CN102057127B (zh) 2013-01-30
EP2307651A1 (de) 2011-04-13

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