EP1730365B1 - Rollvorhangvorrichtung - Google Patents

Rollvorhangvorrichtung Download PDF

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Publication number
EP1730365B1
EP1730365B1 EP05708933.6A EP05708933A EP1730365B1 EP 1730365 B1 EP1730365 B1 EP 1730365B1 EP 05708933 A EP05708933 A EP 05708933A EP 1730365 B1 EP1730365 B1 EP 1730365B1
Authority
EP
European Patent Office
Prior art keywords
curtain
shaft
drive wheel
closed position
control element
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
Application number
EP05708933.6A
Other languages
English (en)
French (fr)
Other versions
EP1730365A2 (de
Inventor
Benoit Benoit COENRAETS COENRAETS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Entrematic Belgium NV
Original Assignee
Dynaco Europe NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dynaco Europe NV filed Critical Dynaco Europe NV
Priority to PL05708933T priority Critical patent/PL1730365T3/pl
Publication of EP1730365A2 publication Critical patent/EP1730365A2/de
Application granted granted Critical
Publication of EP1730365B1 publication Critical patent/EP1730365B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E06B9/40—Roller blinds
    • 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/58—Guiding devices
    • E06B9/581—Means to prevent or induce disengagement of shutter from side rails
    • 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0644—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/021—Sliding doors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2500/00—Problems to be solved
    • F25D2500/02—Geometry problems

Definitions

  • the invention relates to a curtain device mounted on a shaft around which this curtain can be wound to an open position and which can be unwound towards a closed position, a drive wheel being fixed coaxially on this shaft , preferably on both sides of the curtain, and cooperating with the latter in such a way as to be able to move it between these two positions.
  • One of the essential aims of the present invention is to overcome these disadvantages by having a device of a very simple and efficient design which is economically justified and which allows the development of numerous variants for different applications.
  • it is possible to design variants for obtaining a seal for example, for refrigerators, containers, silos, commercial vehicles, such as trucks, boats, wagons, variants in which the curtain extends horizontally or obliquely. in its closed position, etc.
  • the device comprises an oblong control member flexible in the direction of its length cooperating with the drive wheel, this member being arranged so as, on the one hand, to move the curtain between its open position and its closed position independently of the slack that would have formed in the curtain and, secondly, to move it along at least one of the lateral edges of the curtain and act on the the latter opposite to that directed towards the aforementioned shaft also independently of a possible slack in the curtain.
  • the pitch diameter of the drive wheel is, on the one hand, smaller than the diameter of the wound portion of the curtain in its position opening and, on the other hand, greater than the diameter of the aforementioned shaft or the curled portion of the curtain in its closed position.
  • control member and its mounting in the device according to the invention are such as to allow the formation of slack in the curtain during its movement, without this may hinder its operation.
  • the figure 1 is a schematic front view of a first embodiment of a curtain device according to the invention.
  • the figure 2 is a schematic perspective view of a portion of the curtain device of this first embodiment when the curtain is in the open position.
  • the figure 3 is a view similar to that of the figure 2 when the curtain moves to its closed position.
  • the figure 4 is a view similar to that of the figure 3 when the curtain moves to its closed position and when the diameter of the curled portion of the curtain substantially corresponds to the pitch diameter of the drive wheel.
  • the figure 5 is a view similar to that of the figure 4 when the curtain is in its closed position.
  • the figure 6 is a cross section along the line VI-VI of the figure 1 a slide in which the control member and the lateral edge of the curtain are guided.
  • the figure 7 is a cross-section similar to that of the figure 6 in which the control member is twisted by 90 ° before entering the slide.
  • the figure 8 is a side view of a second embodiment of the device according to the invention in the open position.
  • the figure 9 is a side view similar to that of the figure 8 when the curtain moves to the closed position.
  • the figure 10 is a side view similar to that of the figure 8 when the curtain is in the closed position.
  • the figure 11 is, on a larger scale, a detail representation of the front of the lower part of the curtain at one of its lateral edges of this second embodiment.
  • the figure 12 is a section following line XII-XII of the figure 11 .
  • the figure 13 is a section following line XIII-XIII of the figure 9 .
  • the figure 14 is a schematic perspective view of a portion of a curtain device according to a third embodiment of the invention.
  • the figure 15 is a section of a portion of a device according to a fourth embodiment of the invention.
  • the figure 16 is a schematic perspective view of a fifth embodiment.
  • the figure 17 is a schematic front view of a sixth embodiment.
  • the figure 18 is a schematic perspective view of a seventh embodiment with the curtain in an intermediate position.
  • the figure 19 is a schematic longitudinal section along line XIX-XIX of the figure 18 .
  • the figure 20 is a view similar to that of the figure 19 with the curtain in the closed position.
  • the figure 21 relates to a variant of the seventh embodiment and is, on a larger scale, a longitudinal section of a portion of a slide in which a control member moves.
  • the present invention relates to a roll-up curtain device cooperating with drive means for moving the curtain between an open position and a closed position. It is important to note that the curtain is rollable around a shaft that is common with that of the drive means.
  • the curtain is generally intended for closing a bay in a wall or other opening, covering a swimming pool, a space such as a veranda, forming a screen, eg in front of a window, etc. This enumeration is of course not exhaustive.
  • curtain any panel or flat surface of a material at least partially flexible, flexible, semi-rigid, or with one or more stiffeners, such a tarpaulin, a strip of plastic material, a canvas or sheet metal, a lattice, etc., which can be wrapped around a tree.
  • FIG. 1 A first embodiment of the curtain device is shown in Figures 1 to 6 .
  • This device comprises a curtain 1, winding and unrolling vertically, which is fixed with its upper edge to a shaft 2 provided above a bay 3 and extending over substantially the entire width of the latter.
  • the curtain 1 can be moved between an open position, as shown in the figures 1 and 2 , and a closed position, as shown in the figure 5 .
  • the curtain 1 In the open position, the curtain 1 is almost completely wound around the shaft 2 and forms a roller 15, whereas in the closed position, the curtain 1 is practically completely unrolled from this shaft 2.
  • the curtain 1 curtain 1 can be fully wrapped around the shaft 2, so as to maintain a maximum of free space below the curtain in its open position.
  • Each of these driving wheels 7 cooperates with a control member 11 for moving the curtain 1 to its closed position and which, according to the invention, is freely mounted relative to the curtain 1, in particular with respect to the free edge 8 of the latter on which it can perform a pushing force.
  • the drive wheel 7 is, in particular, made of a toothed wheel, while the control member 11 is formed by a narrow oblong band and flexible, but incompressible in the direction of its length, such as a thong .
  • This strip is provided with a succession of recesses 10 which are situated at the same constant distance with respect to each other in its longitudinal direction and which mesh with teeth 9 provided on the drive wheels 7 at a distance from one another. constant distance relative to each other around the circumference of a circle whose center is located on the axis 6 of the drive wheels 7. In the Figures 2 to 5 these teeth and recesses have not, for clarity, been represented.
  • the diameter d 0 of the drive wheels 7, in particular the pitch diameter of these wheels, is smaller than the diameter d 1 of the roller 15 when the curtain 1 is in its open position and greater than the diameter d 2 of the shaft. 2 or the still wound portion of the curtain 1 in the closed position.
  • the diameter d 2 is normally slightly greater than the diameter of the shaft 2 in that, in the closed position, a small portion of the curtain 1 generally remains wound on the shaft 2.
  • the diameter d 0 is preferably equal to or greater than half the sum of the diameters d 1 and d 2 .
  • the curtain 1 In the open position, the curtain 1 is substantially completely wound around the shaft 2 and forms successive turns 14, as shown in FIG. figure 2 . In this position, each of the ends of the lower edge 8 of the curtain 1, opposite that mounted on the shaft 2, is maintained in the slides 5.
  • control members 11, whose lower end 16 is, in the open position, held in the upper part of the slides 5, are also guided in the respective slides 5 during the opening and closing of the curtain 1, as will be described in more detail in relation to the figure 6 .
  • the shaft 2 When it is desired to move the curtain 1 towards its closed position from its open position, the shaft 2 is driven by an electric motor 13.
  • the roller 15, formed by the turns 14 of the curtain 1, and the wheels 7, which are fixed on the shaft 2, are therefore subjected to the same rotational movement.
  • the curtain 1, which is held by its lateral edges 4 in the slides 5, is braked and in some cases even blocked in its movement towards its closed position due to the friction that necessarily exists between these edges 4 and the slides 5 From this follows that, when starting the closing of the curtain, the turns 14 of the roll gradually enlarge and detach from each other forming slack, as shown schematically in the figure 3 .
  • the control members 11 move in the slides 5.
  • control members 11, driven by the drive wheels 7, exert a thrust force on the lower edge 8 of the curtain 1, so that the lateral edges 4 of the curtain 1 move in the slides 5 along their longitudinal direction at the same speed as the control member 11.
  • the length of the curtain 1 is greater than the height of the curtain. 3 to compensate for, for example, adjustment tolerances that could be present, so that in this case a small part of the curtain could remain wound on the shaft 2.
  • the shaft 2 When reopening the curtain, the shaft 2 is actuated by the electric motor 13 in the opposite direction to that for closing the curtain 1.
  • the turns 14 of the curtain 1 which may have remained on the shaft 2, are initially stretched around the latter and then the remainder of the curtain 1 is normally wound around the shaft 2.
  • the control members 11, which are mounted freely relative to the curtain 1 are moved in the slides 5 by the action of the drive wheels 7. Since initially the original diameter d 0 of these wheels d 7 is greater than the diameter of the wound portion of the curtain 1, the lower end 16 of the control member 11 moves away gradually from the lower edge 8 of the curtain 1. Then, when the diameter of the curled portion of the curtain 1 becomes greater than the pitch diameter of the drive wheels 7 the opposite effect occurs, and the curtain 1 is displaced at a higher speed than that of the control members 11.
  • the distance between the lower end 16 of the control members 11 and the lower edge 8 of the curtain 1 is again substantially equal to the distance X or zero.
  • control member 11 which, in the open position, is located beyond the drive wheels 7 with respect to its lower end 16 may be collected in a chamber not shown in the figures.
  • a section of the slides 5 is schematically shown in the figure 6 .
  • These slides 5 comprise two parallel channels 18 and 19 which extend over the entire length thereof.
  • first channel 18 which has a slot 20 directed towards the bay 3, is housed the lateral edge 4 of the curtain 1.
  • the part of the latter adjacent to this side edge 4 extends through the slot 20.
  • the second channel 19 serves as a guide path of the control member 11 along the lateral edge 4 of the curtain.
  • a passage 21 is provided between said channels 18 and 19 extending over substantially the entire length of these to allow the lug 17 to enter the second channel 19 and thus cooperate with the control member 11.
  • the dimensions of said second channel 19 correspond substantially to the dimensions of the control member 11, so that the latter can not bend or bend in this channel 19.
  • the control member 11, which is substantially incompressible in its longitudinal direction may exert a thrust force on the lug 17 provided at the lower edge 8 of the curtain 1 through the drive wheel 7 and thus cause the curtain 1 to its closed position.
  • the portion of the slides 5 delimiting the channel 19 is advantageously extended beyond the level of the axis 6 of the shaft 2, facing the drive wheel 7 so as to be able to guide the organ as far as possible. 11. This extension has been designated by the reference 5 'in the figures.
  • the control member 11 is, for example, constituted by a strip or lance made of p- phenyleneterephthalamide, known under the trade name "Kevlar”, provided with a tetrafluoroethylene coating, known under the trade name "Teflon”, with a thickness of 2 mm and a width of 20 mm.
  • This band has a succession of recesses 10 which cooperate with the teeth 9 provided on the drive wheel 7, as already described above.
  • the strip, which forms the control member 11 extends in the slides 5 substantially in the same plane as the curtain 1, as is apparent from the figure 6 .
  • the width of the passage 21 which leads to the channel 19, in which the control member 11 is housed, is smaller than the thickness of the latter, so that this member can not enter this passage 21.
  • the control member 11 is formed of a narrow flexible band and rectangular cross section, it is also possible to provide that the channel 19 of rectangular section extends with its long side in a direction perpendicular to the plane of the curtain 1. In such a case, the control member undergoes a 90 ° twist in the space between the drive wheel 7 and the slide 5
  • the passage 21 could have a width which is larger than the thickness of the control member 11, but which is smaller than the width of the latter, as shown in FIG. figure 7 .
  • a second embodiment of the curtain device according to the invention differs essentially from the first embodiment described above by the fact that the control member is formed by a chain 11 meshing with a traditional toothed wheel 7 and a ballast 22 is provided at the lower edge 8 of the curtain 1 opposite the edge thereof which is fixed to the shaft 2.
  • the chain 11 is formed by a succession of articulated jerseys one to the other around parallel axes, as is the case for example with a bicycle chain.
  • the pitch diameter d 0 of the toothed wheel is smaller than the diameter d 1 of the roll 15, which is formed when the curtain 1 is in its open position, and greater than the diameter d 2 of the still wound portion 15 of the curtain 1 when the latter is in the closed position.
  • the chain 11 also moves following the action of the toothed wheel 7 in the slide 5.
  • the toothed wheel 7 is fixed coaxially on the shaft 2.
  • This chain 11, which is not closed on itself, is delivered from a tank 25 which is installed below the shaft 2.
  • FIG. figure 11 A detail of the chain 11 and the lug 17 at the lower edge 8 of the curtain 1 is shown in FIG. figure 11 .
  • This lug 17 is part of an L-shaped piece 26, one arm of which constitutes the lug 17 and extends parallel to the lower edge 8 of the curtain 1 in the corresponding slideway 5, the other arm 27 extending parallel to the corresponding side edge 4 of the curtain 1.
  • the part 26 is, in particular, consisting of two symmetrical metal plates 28 and 29 which are fixed on either side of the plane of the curtain 1, so that the latter is clamped between these two plates 28 and 29.
  • the slide 5 has a section such as to guide the chain 11 in its longitudinal direction without it being able to disengage laterally with respect thereto.
  • the lateral edge 4 of the curtain is held in the slideway 5 between the bay 3 and the place where the chain 11 is guided, exactly as in the first embodiment.
  • FIG 14 a third embodiment of the curtain device according to the invention, which differs essentially from the two previous embodiments in that the control member is formed by a belt 33 which is closed on itself.
  • This belt 33 is guided and driven by the drive wheels 7 fixed on the shaft 2.
  • These drive wheels can, in this case, be formed by pulleys.
  • this belt 33 cooperates with a wheel 34, which is preferably mounted in an elastic manner, for example by means of helical springs 40, with respect to the ground so as to keep it constantly in a state tense.
  • a contact element 35 formed for example by a projection or hook, is fixed on the belt 33 between this lower edge 8 and the shaft 2.
  • the successive turns 14 of the roll 15 enlarge and form slack as in the first embodiment.
  • the belt 33 is moved following the action of the drive wheel 7 and the contact element 35 approaches the lower edge 8.
  • the contact element 35 touches the lug 17 of the lower edge 8, it exerts a force on the lower edge 8 to move the curtain 1 to its closed position.
  • this contact member 35 moves, the turns of the curtain 1 unfurl and the slack decreases.
  • this contact element 35 fulfills the same function as the free end 16 of the control member of the first and second embodiments.
  • the shaft 2 When opening the curtain from its closed position, the shaft 2 rotates in the opposite direction to that of the closure, so that the curtain is wound without slack on the shaft 2. Since the diameter of the drive wheel 7 is at this moment greater than the diameter of the wound portion of the curtain 1, the contact element 35 moves away from the lower edge 8 of the curtain until these diameters are substantially equal. During the winding of the remaining part of the curtain 1, its lower edge 8 approaches gradually to a small distance from the contact element 35, at the moment when the curtain is in the open position.
  • the figure 15 relates to a fourth embodiment which is characterized with respect to the previous embodiments in that the curtain 1 is wound around a drum 36 which is coaxial with the shaft 2 and which is freely mounted on the latter.
  • the lateral face of this drum 36, directed towards the drive wheel 7, is provided with a stop 37 which cooperates with a stop 38 which is present on the side of the drive wheel 7 facing the drum 36.
  • two stops 37 and 38 are mounted at the same distance from the axis 6 of the shaft 2.
  • the control members In a first step, during the rotation of the shaft 2 and the drive wheel 7 to move the curtain 1 towards its closed position, the control members, not shown in FIG. figure 15 , move towards the edge of the curtain 1 opposite to that mounted on the drum 36 while the latter remains substantially immobile. At the moment when these members act on this edge, the curtain 1 is at the same linear speed as the control member. As a result, the drum 36 rotates at a lower angular velocity than that of the drive wheel 7 since the diameter of the curled portion of the curtain is greater than the diameter of the drive wheel 7.
  • the drum rotates at the same angular speed as the drive wheel.
  • the rotational speed of the drum 36 increases relative to that of the drive wheel 7 to the closed position of the curtain.
  • the device may be dimensioned so that the stop 37 comes into contact with the stop 38 at the moment when the curtain reaches its closed position. It is, however, possible to provide that even in the closed position, these stops 37 and 38 do not touch.
  • the dimensions of the device are chosen in such a way that no slack is formed in the curtain 1 during the closure of the latter.
  • the drum 36 rotates only about its axis 6 by the action of the lower end of the control members 11 on the lugs provided for this purpose at the edge of the curtain 1 opposite that of the side of the shaft 2 There is no contact between the stops 37 and 38 during this movement towards the closed position of the curtain 1.
  • the assembly of the drum 36 and stops 37 and 38 forms a compensator whose purpose is to reduce or avoid the formation of slack when moving the curtain.
  • This compensator is of very simple construction and does not require, for example, the presence of springs.
  • the curtain device where a compensator is provided, it is also possible to fix the lower end of the control member, or the contact element 35, to the lug 17 in a removable manner.
  • the edge of the curtain 1 opposite the one facing the shaft 2 is connected to the control members during the entire closing or opening cycle and this until the lateral edges 4 of the curtain 1 emerge slides for example, by the action of a vehicle against the curtain 1.
  • the lower end 16 of the control member, or the contact element 35 is automatically separated from the lug 17.
  • the free end 16 of the lance to cooperate with the curtain is preferably beveled as also the lug 17, so as to facilitate the release of the side edge 5 of the curtain 1 of the slides under the action an obstacle, as indicated above.
  • a beveled tip may be provided at the free end of the chain 11, in the same manner as the end of the lance.
  • the figure 16 relates to a fifth embodiment which is characterized with respect to the first embodiment represented in particular in the figure 2 in that the band end 11, which forms the control member, is fixed by its end opposite to that to act on the curtain 1 on the shaft 2 and that this band 11 is wound or unwound between the turns 14 of the roll 15 of the curtain 1.
  • This avoids the use of a tray, as in the second embodiment, to accommodate the portion of the control member, formed by a strap or a lance, to beyond the drive wheel.
  • the band 11 has a length sufficient to allow the outer turn 12 of the wound portion of this band 11 forms a loop in the same way as a slack around the tree 2.
  • the figure 17 relates to an embodiment which differs from the preceding embodiments in that the control member formed by an incompressible strap 11, is wound helically on a frustoconical drive wheel 7 toothed or not, whose shape is such that, both during unwinding and during winding, the linear speed of movement of the strap corresponds to that of the curtain 1 between its open position and its closed position.
  • this wheel 7 When this wheel 7 is not toothed, it is preferably provided in the outer surface thereof grooves, not shown, which extend helically around the axis 6 and in which the control member 11 moves A housing 47 is provided around the drive wheel 7 which has in its lower part a slot 48 which extends in a plane passing through the axis 6 of the shaft 2 and parallel to the direction of movement of the curtain 1 between its open position and its closed position through which the control member 11 can be wound on or unwind from the drive wheel 7.
  • FIGS. 18 to 20 show an embodiment in which the curtain moves horizontally between an open position and a closed position.
  • the edge 8 of the curtain 1 opposite the one on the side of the shaft 2 is formed by a rigid bar whose ends form the lugs which engage in sliding in the slides 5, so that the lugs can not disengage from these last.
  • an extra thickness 41 extends over the entire width of the outer face of the curtain 1, parallel to the axis of the shaft 2 and bears in the closing position of the curtain 1 against a rigid transverse bar 42 also extending parallel to the axis of the shaft 2.
  • This bar 42 is mounted on the fixed parts of the device, such as the slides 5.
  • the figure 21 relates to a feature that can be adapted to virtually all the embodiments described above, but which is especially useful for relatively long curtains and / or which move with a relatively high friction in slides. This could be the case in the embodiment shown in FIGS. Figures 18 to 20 .
  • This feature consists in providing in the slides 5, for example near the drive wheel, between the opening and closing position of the curtain, an opening 43 in which the control member 11 can penetrate during its displacement. in the slideway 5 at the moment when an obstruction occurs in the slideway downstream of this opening 43 by considering the direction of movement of the control member 11.
  • the portion 11 'of the control member 11 passing through this opening 43 acts on a detector 44 which then sends a signal to a control station not shown.
  • This checkpoint could possibly put a mechanism in action to remedy the problem thus created.
  • control member and the lateral edges of the curtain move in the same slide. It is possible, however, to provide a slide, or other separate means, to guide the control member which is completely independent of the slides for the lateral edges of the curtain and which allows, for example, to move the control member on a straight path from or to the drive wheel.
  • a drive wheel 7 which is fixed on the shaft 2 is provided on each side of the curtain.
  • the curtain 1 is preferably made of a material which allows the successive turns of the rolled curtain to slide relative to each other, so that the curtain is, for example, made of a smooth and continuous material, such as for example a tarpaulin made of a plastic material, possibly polished.
  • this control member n ' It acts only on the curtain to move it towards its closed position, the opening being achieved by the rotation of the shaft 2 about its axis 6 in the opposite direction to that during the closing.
  • the lug provided at the edge of the curtain opposite the side of the shaft can be retractable, for example by means of a lever, to allow easier installation and assembly of the device and also a easier reintroduction of this lug in the slides following a clearance of the curtain thereof, especially when the edge of the curtain opposite that of the side of the shaft 2 has a rigid bar, as in the seventh embodiment.
  • the curtain and the drive wheels could be operated manually, for example by means of a lever mounted on the winding shaft of the curtain.
  • the ballasting may be omitted.
  • the rigid bar of the edge 8 can be replaced by two studs at each end of this edge which engage in the slideways.
  • means are advantageously provided for winding a maximum of one turn of the control member around the drive wheel parallel to a plane perpendicular to the axis of the shaft 2, so that the pitch diameter of the drive wheel remains substantially constant. In this way, the control member will always move at the same speed when closing and opening the curtain.
  • the aforementioned means are those that prevent the winding of the control member on itself around the drive wheel.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Vehicle Body Suspensions (AREA)
  • Massaging Devices (AREA)

Claims (15)

  1. Vorrichtung mit Vorhang, der auf einer Spindel (2) montiert ist, um die der Vorhang (1) in eine Öffnungsposition aufgewickelt werden kann und von der er in eine Verschlussposition abgewickelt werden kann, wobei ein Antriebsrad (7) koaxial an der Spindel (2) befestigt ist und derart mit dem Vorhang (1) zusammenwirkt, dass es diesen zwischen den beiden Positionen bewegen kann, wobei die Vorrichtung mit Vorhang ein flexibles längliches Steuerungsorgan (11) umfasst, das mit dem Antriebsrad (7) zusammenwirkt, wobei dieses Organ (11) in Bezug auf den Vorhang frei montiert ist, so dass einerseits der Vorhang (1) unabhängig von einer schlaffen Stelle, die sich gegebenenfalls in dem Vorhang (1) gebildet hat, zwischen seiner Öffnungsposition und seiner Verschlussposition bewegt werden kann, und so dass es andererseits entlang von mindestens einem der Seitenränder (4) des Vorhangs (1) bewegt werden kann und auf den Bereich (8) des Letzteren einwirken kann, der jenem entgegengesetzt ist, der an der Spindel (2) montiert ist, dadurch gekennzeichnet, dass der Wälzkreisdurchmesser des Antriebsrads (7) einerseits kleiner als der Durchmesser des aufgewickelten Teils des Vorhangs (1) in seiner Öffnungsposition und andererseits größer als der Durchmesser der oben genannten Spindel (2) oder des aufgewickelten Teils des Vorhangs (1) in seiner Verschlussposition ist.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Wälzkreisdurchmesser des Antriebsrads (7) gleich der oder größer als die Hälfte der Summe des Durchmessers des aufgewickelten Teils des Vorhangs (1) in seiner Öffnungsposition und des Durchmessers der oben genannten Spindel (2) oder des aufgewickelten Teils des Vorhangs (1) in seiner Verschlussposition ist.
  3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass Mittel vorgesehen sind, die es ermöglichen, höchstens eine Windung des Steuerungsorgans (11) um das Antriebsrad (7) aufzuwickeln, und zwar parallel zu einer Ebene, die senkrecht zur Achse (6) der Spindel (2) ist.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Steuerungsorgan (11) in der Richtung seiner Länge im Wesentlichen nicht komprimierbar ist.
  5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das oben genannte Organ (11) geeignet ist, eine Schubkraft auf den Vorhang (1) auszuüben, um ihn in seine Verschlussposition zu bringen.
  6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass oben genannte Steuerungsorgan (11) ein Element umfasst, das in der Richtung seiner Länge nicht komprimierbar ist.
  7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Antriebsrad (7) eine Aufeinanderfolge von Vorsprüngen oder Vertiefungen (9) aufweist, die mit dem Steuerungsorgan (11) zusammenwirkt und sich in einem konstanten Abstand zueinander entlang des Umfangs eines Kreises erstrecken, dessen Mittelpunkt sich auf der Achse (6) des oben genannten Rads (7) befindet.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass das Steuerungsorgan (11) ein Endlosband oder eine Endloskette umfasst.
  9. Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass an dem Vorhang (1) Mittel vorgesehen sind, die es ermöglichen, die Bildung einer schlaffen Stelle in ihm zu vermeiden, wenn er abgewickelt wird.
  10. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass diese Mittel eine Beschwerung (22) an dem Rand des Vorhangs (1) umfassen, der jenem entgegengesetzt ist, der an der oben genannten Spindel (2) montiert ist.
  11. Vorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass das Antriebsrad derart koaxial an der Spindel (2) montiert ist, dass es sich mit der gleichen Winkelgeschwindigkeit wie die Spindel (2) bewegen kann.
  12. Vorrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass sie Schienen (5) umfasst, in denen sich die Seitenränder (4) des Vorhangs (1) und das Steuerungsorgan (11) parallel zueinander bewegen können.
  13. Vorrichtung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass das Antriebsrad (7) derart ausgestaltet ist, dass das Steuerungsorgan (11) darauf spiralenförmig um seine Drehachse herum aufgewickelt werden kann.
  14. Vorrichtung nach Anspruch 13, dadurch gekennzeichnet, dass das Antriebsrad (7) eine kegelstumpfartige Form aufweist, so dass sowohl beim Abwickeln als auch beim Aufwickeln des Steuerungsorgans seine Lineargeschwindigkeit im Wesentlichen jener des Vorhangs (1) entspricht, der sich zwischen seiner Öffnungsposition und seiner Verschlussposition bewegt.
  15. Vorrichtung nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass eine Ausgleichvorrichtung an der oben genannten Spindel (2) montiert ist, die es ermöglicht, die Umlaufbewegung des aufgewickelten Teils des Vorhangs (1) an die Bewegung des Steuerungsorgans (11) anzupassen.
EP05708933.6A 2004-03-17 2005-03-03 Rollvorhangvorrichtung Active EP1730365B1 (de)

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BE2004/0146A BE1016320A3 (fr) 2004-03-17 2004-03-17 Dispositif a rideau deroulable.
PCT/IB2005/050798 WO2005090704A2 (fr) 2004-03-17 2005-03-03 Dispositif a rideau deroulable

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ES2437890T3 (es) 2014-01-14
CN100510292C (zh) 2009-07-08
US20080264582A1 (en) 2008-10-30
BE1016320A3 (fr) 2006-08-01
JP4867049B2 (ja) 2012-02-01
PL1730365T3 (pl) 2014-03-31
AR048265A1 (es) 2006-04-12
JP2007529656A (ja) 2007-10-25
NO20064685L (no) 2006-12-14
DK1730365T3 (da) 2014-01-27
CA2559592A1 (fr) 2005-09-29
US7581578B2 (en) 2009-09-01
CN101124373A (zh) 2008-02-13
WO2005090704A2 (fr) 2005-09-29
TWI350339B (en) 2011-10-11
HK1118087A1 (en) 2009-01-30
WO2005090704A3 (fr) 2007-08-23
TW200537005A (en) 2005-11-16
EP1730365A2 (de) 2006-12-13
CA2559592C (fr) 2013-08-06
PT1730365E (pt) 2013-12-16

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