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EP1701641B1 - Selbstsperrende vorrichtung mit seitlichen führungen, verwendet bei vorhängen - Google Patents

Selbstsperrende vorrichtung mit seitlichen führungen, verwendet bei vorhängen Download PDF

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Publication number
EP1701641B1
EP1701641B1 EP04806821A EP04806821A EP1701641B1 EP 1701641 B1 EP1701641 B1 EP 1701641B1 EP 04806821 A EP04806821 A EP 04806821A EP 04806821 A EP04806821 A EP 04806821A EP 1701641 B1 EP1701641 B1 EP 1701641B1
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EP
European Patent Office
Prior art keywords
bar
handle
threads
lateral
lateral guides
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP04806821A
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English (en)
French (fr)
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EP1701641A1 (de
Inventor
Sergio Marcantoni
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Individual
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Individual
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Publication date
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Publication of EP1701641A1 publication Critical patent/EP1701641A1/de
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Publication of EP1701641B1 publication Critical patent/EP1701641B1/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
    • E06B9/262—Lamellar or like blinds, e.g. venetian blinds with flexibly-interconnected horizontal or vertical strips; Concertina blinds, i.e. upwardly folding flexible screens
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/52—Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
    • 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
    • E06B2009/2625—Pleated screens, e.g. concertina- or accordion-like

Definitions

  • the present invention relates to the field of interior decoration products, and particularly to curtains of all kinds, including curtains for darkening a room, mosquito curtains, or the like, which are mounted in front of windows or French windows.
  • the invention relates to a pleated curtain, to be mounted on a window or French window, and moreover it also relates to a mosquito curtain of an innovative kind, based on the same principle of operation.
  • curtains In the technical field of interior decoration products, there are known curtains, so-called “pleated curtains", which are formed by a fabric sized and folded according to a zigzag configuration, and that may be lifted and lowered by means of a system of pulleys mounted on the upper side of the window or of the French window.
  • the various rectangular portions bounded by the folding lines formed by the pleated fabric of the curtain present various holes arranged along vertical lines and traversed by respective lifting threads.
  • a disadvantage of this known system lies in the fact that the user must act on the threads, by pulling or releasing them, and finally fixing them each time in the desired position.
  • This system although not complex, could be improved by eliminating the need of a direct action to be performed by the user on the threads.
  • US 4,675,060 discloses a mounting apparatus for expandable honeycomb insulation panels, that includes a head rail for anchoring the panel to a window jamb or wall and a sill rail at the opposite end of the honeycomb panel for contracting and expanding the honeycomb panel to move it upwardly and downwardly, over the window surface.
  • Lift mechanisms for the sill rail include a vertical drop cord lift system, a parallel bar cord guided system, and a continuous loop cord system.
  • Edge seals for closing and sealing the end of the honeycomb insulation panel include a biased, elongated seal element positioned in side tracks for slideably guiding the honeycomb panel along a prescribed track while sealing the ends thereof.
  • Fig. 27 of this patent shows an embodiment that comes close to the present invention.
  • a parallel bar cord guided system is used, whereby the user simply needs to grasp a handle (328; Fig. 27) and move the sill rail (or bar-handle) - and therefore the honeycomb panel (pleated curtain or window covering)- up and down.
  • this system does not include an assembly of pulleys apt to prevent in any case a possible mutual interference (friction or even entanglement) between threads. Therefore, it is to be restricted to a low number of threads (maybe only two) and could, even then, be liable to malfunctions. In any case it is unsuited for windows of large size due to the lower number of threads. Moreover, this system does not include vertical threads inside and along the left and right side tracks.
  • this system may not be sufficiently stable/resistant to gusts, especially if a single layer of thin, pleated fabric is used (not a honeycomb structure), and therefore it is hardly suited for applications concerning mosquito curtains.
  • the present invention intends to provide a versatile and general system, suited to be applied to traditional pleated curtains and also to pleated mosquito curtains according to the present invention.
  • mosquito curtains include a wrapping roller which is mounted on the upper part of the window, or French window, said roller receiving the net-like fabric of the mosquito curtain and rolling up - or unrolling - the same during the lifting - or respectively the lowering - operation performed by the user on the mosquito net.
  • a first drawback of this system consists in the fact that if a client provides inexact values for the distance between the lateral guides of the mosquito curtain, the latter may easily come out of the lateral guides after its installation, e.g. because of a wind gust or for any other reason. In any case, the fact that the net-like cloth comes out of the lateral guides, is a common cause of complaints made by clients who buy this product.
  • a further disadvantage of the "wrapping- roller system” lies in the fact that it often cannot be mounted between a shutter or rolling shutter, and the window or French window, since the available space is very limited.
  • the wrapping roller must have a diameter not less than a prescribed value, in order to avoid its possible flexion at the middle, especially in case of particularly wide windows or French windows.
  • the thickness of the fabric of the mosquito net which is gradually wound around the roller when the mosquito net is being lifted, adds up to the diameter of the roller. Consequently, this device typology does not allow to reach such dimensions as to permit, in any situation, to perform the installation of the mosquito curtain between the (rolling) shutter and the (French) window.
  • An object of the present invention is to realise a closing and opening device of a self-locking kind, having lateral guides, and which is characterised by a simple construction and operation, by the fact that it eliminates the previous drawbacks, and finally, by the fact that it may be employed equally well for a normal pleated curtain, for a curtain used to darken a room, and for a mosquito curtain of an innovative kind formed by a pleated net-like fabric.
  • the device of the present invention provides lateral guides having thread-locking devices (at their lower ends) in order to fix these threads.
  • pulleys are provided preferably inside a slidable bar-handle, in order to guide the threads, from the thread-locking devices up to stationary fixing points of an upper box element, wherein these threads are made to pass through holes of the pleated fabric.
  • the user only needs to act on the bar-handle and does not need to repeatedly lock and unlock the threads at their ends as in the prior art.
  • the curtain will not come out of these guides (for instance in consequence of a wind gust), and this is particularly important if the device of the invention is applied to an innovative mosquito curtain formed by a net-like pleated fabric.
  • the device includes elastic means used to compensate for the variations in length of the threads resulting from use and sudden changes of temperature.
  • the pulleys present thread-guiding means and means for changing the direction of the threads, which are advantageously formed by moulded polypropylene rollers, these rollers having at the same time the function of spacers that prevent mutual interference between threads which pass through the pulleys.
  • Fig. 1 is a schematic front view of the device according to the present invention.
  • the device comprises two lateral guides, or lateral rails, 1, 1', substantially formed by respective "C"- channels, or section bars, made of plastics or aluminium, whose respective opening formed by the channel is directed towards the opening formed by the window, in such a way as to act as guides for a bar-handle to be described later on, and so as to receive the fixed upper rail which is also described next.
  • the bases of the C-channels 1, 1' will be fixed in an adequate manner to the sides of the window (note that in this description the word window will be used indifferently also for indicating a French window, except in case the relative context allows a unique interpretation).
  • the upper rail 2 is rigidly fixed to the lateral guides 1, 1' and between these two; the upper rail includes a C-channel almost identical to that indicated by numeral 3 in Fig. 2 , inside which there is introduced a core or inner part, which is identical to that indicated by numeral 4 in Fig. 3 .
  • a lower rail 3 may slide upwards and downwards, this rail being shown in isolation in Fig. 2 and receiving an inner part-or core 4 ( Fig. 3 ).
  • the assembly formed by the lower rail 3 and by the core 4 will also be called "bar-handle" in the following description.
  • the assembly formed by the upper (fixed) rail 2 and the core 4 will also be called - in the following description - "upper box” or "upper box-type element”. Referring to Figs. 2 and 3 we will first describe the details of the bar-handle, and next we will describe the similar upper box.
  • the lower rail 3 does not form a perfect "C” or "U”; instead, it has ribs 5 extending parallel to the base 6 of the rail. These ribs 5 have the function of retaining the core 4 when the latter is inserted into the rail 3.
  • the core 4 is introduced inside the lower rail 3 according to the orientation shown in Fig. 3 , that is, with the edges of the base 7 of the core 4 abutting the ribs 5.
  • the core 4 presents circular holes 8 preferably realised equidistantly on its base 7.
  • the lower rail 3 has end notches 9 (only one of which is visible in the perspective view of Fig. 2 ) obtained on the base 6 at its opposite ends.
  • the structure of the upper box-type element differs from the structure of the bar-handle only in that on the base of the upper rail 2 there are no end notches 9. Otherwise, both structures are identical to each other, and the core 4 of the upper box is introduced inside the upper rail 2 according to an orientation such that the base 7 of the inner part or core 4 abuts the ribs 5 of the upper rail 2.
  • the bar-handle is vertically movable within the lateral guides 1, 1'.
  • the pleated curtain 11 is located between the horizontal rails 2 and 3; it has several rectangular portions with circular holes 12 (only some of which are indicated by the numeral 12 in Fig. 1 for simplifying the drawing).
  • the holes 12 are arranged along vertical and equidistant rows.
  • the embodiment of the device shown in Fig. 1 includes five vertical equidistant rows of holes 12.
  • Each rectangular portion of pleated cloth 11 consequently includes a horizontal row of five equidistant holes 12.
  • pleated curtains are folded on themselves in a "squeezebox" fashion by acting on a pulley system which lifts the curtain by means of a series of threads passing through a plurality of vertical holes totally similar to the holes 12. Obviously, these threads are fixed, independently of each other, to the lower margin of the curtain, in order to allow its lifting operation to be performed.
  • the device is of a "self-locking" type; this means that the user needs only to move the bar-handle upwards or downwards, and the latter will remain exactly in the position where the user left it, thereby avoiding the need of locking - each time - the lateral threads, in contrast with the prior art.
  • the inventive system consists of a device with lateral guides (1, 1') which determines a perfect verticality of the curtain and which prevents the curtain from coming out of the guides.
  • Several pulleys are arranged inside the bar-handle.
  • the pulleys are aligned with the rows of vertical holes 12.
  • Fig. 1 there are two lateral pulleys 13 and three intermediate pulleys 14, which are arranged in equidistant positions.
  • Fig. 5 shows various views of a lateral pulley 13
  • Fig. 6 shows various views of an intermediate pulley 14.
  • the mounting positions of the pulleys inside the bar-handle are highlighted by their numerals in Fig. 1 .
  • at the lower ends of the lateral guides 1,1' there are two respective thread-locking means 15, whose "L - configuration" is clearly shown in Fig. 8 .
  • the mounting position of these two thread-locking means 15 is also shown in Fig. 1 .
  • each spring 16 is fixed to the base 7 of the inner core 4 of the upper box-type element.
  • the axis of each conical spring 16 coincides with the straight line defined by the respective row of holes 12.
  • the device of the present invention to be able to operate, also includes a plurality of threads.
  • a plurality of threads Starting from the embodiment shown in Fig. 1 in order to understand the way it functions, note that there are six threads in total, three on one side and three on the other side of the central row of holes 12.
  • the three threads on the right are grouped together and locked, at one end, by the right-side thread-locking means 15.
  • the first thread 17 of these threads 17, 17' and 17" extends vertically, starting from the thread-locking means 15, and it reaches the apex of the respective conical helical spring 16. Moreover, it is fixed to this apex of this conical helical spring 16.
  • the second thread 17' extends from the right-side thread-locking means 15, and its path is first modified (from vertical to horizontal) by the right-side lateral pulley 13, and thereafter, it is again modified (from horizontal to vertical) by the right-side intermediate pulley 14, located between the central intermediate pulley 14 and the right-side lateral pulley 13.
  • the third thread 17" of the right-side group of threads extends from the right- side thread-locking means 15, and its path is first deviated (from vertical to horizontal) by the right-side lateral pulley 13, and then (from horizontal to vertical) by the central intermediate pulley 14.
  • the threads 17' and 17" are also fixed - at their opposite ends - to the apex of the respective helical conical springs 16, and extend along the axis of these springs 16 (as shown in Fig. 1 ). Moreover, these threads also pass through two other respective rows of holes 12 provided in the fabric 11, and through the corresponding holes 8 provided in the core 4 of the bar-handle and of the upper box-type element.
  • the threads 18, 18' and 18" on the left side similarly extend from the left-side thread-locking means 15 to the vertexes of corresponding conical helical springs 16, passing through the holes 12 of the three left-side rows and the corresponding holes 8.
  • pulleys have a double function. On the one hand they are used to change the direction of the path of some of the threads, while guiding the others without changing their direction (path), and on the other hand, they must maintain a 'safety distance' between the various threads that pass through them, in order to avoid a mutual interference of these threads that would lead to an anomalous operation or to the disruption of the device according to the present invention. For instance, if we take the right-side intermediate pulley 14, it must deviate the path of the thread 17' (from horizontal to vertical) and simply guide the thread 17" along its horizontal path, maintaining at the same time a minimum distance between these two threads, in order to prevent them from interlacing (getting entangled). With reference to Fig.
  • the pulley 14 includes six rollers that are mounted on the axes a, b, c, d, e, f, respectively.
  • the pulley also has an inverted "U" configuration, and an upper hole 19 for the passage of the thread 17'. Laterally, the pulley is open, to allow the passage of the threads 17' and 17". More specifically, the roller mounted on the axis b acts as a direction-changing roller, and the thread 17' passes through the couple of rollers mounted on the axes a and b . Additionally, the thread 17" continues on its straight path and passes above the couple of rollers mounted on the axes e, f and beneath the couple of rollers mounted on the axes c , d.
  • the left-side intermediate pulley 14 its function is identical to the function of the right-side intermediate pulley 14, being the device symmetrical with respect to the axis defined by the central row of holes 12.
  • This pulley is used for codifying the path of the thread 18', and for letting the thread 18" pass through the thread-guiding means formed by the rollers mounted on the axes c , d, e , f , the latter acting also as spacers in order to prevent any interference between the threads 18', 18".
  • the central pulley 14 only serves the purpose of modifying the direction of both threads 17" and 18". Therefore, it could comprise only the means for redirecting the threads (rollers mounted on the axes a and b , thereby excluding the thread-guiding means (rollers related to the axes c , d, e, f.
  • the thread-guiding means rollers related to the axes c , d, e, f.
  • the two lateral pulleys 13 have on their bases a plurality of holes 22 for allowing the passage of the threads 17, 17', 17" and 18, 18', 18" respectively; an upper hole 21 for the passage of the thread 17 (and respectively 18); and finally, two axes g , h for two corresponding rollers used to redirect the threads 17', 17" (and respectively 18', 18").
  • the lateral pulley 13 has a box-type structure in this embodiment.
  • the function of the springs 16 is to compensate for the elongation and shortening of the threads 17, 17', 17", 18, 18', 18", caused by temperature variations especially between the summer and winter. Moreover, their function is to counterbalance the different elongation of the threads occurring during an extended use of the device, due to the fact that these threads are obviously subjected to stresses and have different lengths (e.g. the thread 17" is clearly longer than the thread 17'); this measure is taken in order to avoid an entangling of the threads deriving from their possible slackening (that should be prevented).
  • a conical spring 16 is preferably used in place of a cylindrical helical spring. This also allows to reduce the height of the upper box-type element, with obvious advantages under the aesthetic point of view, through the optimisation of the "stroke" of the spring (which equals 2 cm in this embodiment).
  • the present invention is obviously applicable also to curtains used to darken a room. In this case the pleated fabric is coupled to a thin film of PVC .
  • the threads 17 to 18" are preferably formed by interlaced polypropylene filaments.
  • the threads preferably will have a certain degree of airiness.
  • the present invention may also be applied to mosquito curtains.
  • a system involving a wrapping roller, used to roll up the planar net fabric of conventional mosquito curtains (mosquito nets) is too cumbersome and cannot be installed between the window and the (rolling) shutter.
  • a device according to the invention in which the fabric 11 forms a net-like fabric which is pleated and dressed, one obtains a mosquito curtain based on an innovative concept.
  • the dimension of this device in the direction of its depth that is, its thickness measured in the direction orthogonal to the plane of Fig. 1
  • Still another advantage of the present mosquito curtain is that in contrast to traditional mosquito curtains including a roller, in which the planar net fabric could easily come out of the lateral guides, in the present invention the threads 17 to 18" preserve the verticality of the net (preventing it from bulging due to wind gusts) and particularly, the threads 17 and 18 prevent the net from coming out of the guides. Also in this kind of mosquito net, known lateral small brushes are preferably used in order to avoid the entry of insects.
  • the present invention - in its specific application to mosquito nets - may be applied directly, because mosquitoes only fly but do not walk, as reported by those who study their behaviour, and for this reason it is practically impossible for them to penetrate through the tiny holes 12 of the pleated net fabric.
  • the helical springs 16 could be replaced by other suitable and adequately calibrated elastic means insuring a "stroke" identical to that of the springs 16.
  • These elastic means are preferably included in order to insure a lasting operation of the device; nonetheless, the device could function even if they were omitted, although for a much shorter period of time.
  • the pulleys could be mounted inside the upper box-type element, and the elastic means inside the bar-handle (that is, the opposite of the preferred embodiment), by appropriately changing the paths of the threads.
  • rollers used for redirecting the threads could be idly or rigidly mounted on the devices 13, 14 for guiding and redirecting the threads, using - in case they are rigidly mounted - a material which guarantees a minimum friction.
  • all rollers that are mounted on the axes a, b, c , d, e, f, g , h are made of moulded polypropylene and are idly mounted - so as to be able to rotate - on the respective pulleys 13, 14.
  • the number of threads 17 to 18" is not binding and normally will vary according to the width of the window.
  • two separate pulleys for redirecting the path of the threads 17" and 18" could be provided in place of the single central intermediate pulley 14, and accordingly, two separate springs could also be provided in place of the single central spring 16. In this case too, the device of the present invention would preserve its symmetry.
  • Figs. 10 , 11 , 12 describe an alternative embodiment that does not modify at all the present inventive concept, but which concerns an application in which the handle-bar slides horizontally.
  • This application mainly but not exclusively refers to a French window.
  • the handle-bar 103 is movable between two vertical uprights, or posts, 102 and 100, wherein the starting post (or opened-position post) 102 corresponds to the upper box-type element (2, 4) of the previous embodiment and is fixed at one side of the French window, while the final upright (closed-position upright or post) 100 is fixed at the opposite side of the French window (the arrow F denotes the closing direction in Figs. 10 and 11 ).
  • the bar-handle 103 slides within two lateral guides 101, 101' (whose function corresponds to that of the previous lateral guides 1, 1'), which are obviously horizontal in this embodiment, and which are fixed at the upper and lower side respectively of the French window.
  • the system includes two lateral runner supports, 104 and 104', which are slidable within respective grooves 105 (only one of which is visible in Fig. 12 ) obtained on the bar-handle 103.
  • a locking screw (not shown) may be inserted in a slot 106 in order to lock the runner support 104, or 104', to the bar-handle 103, in a predetermined position.
  • Each runner support 104, 104' of the system sustains a respective runner 107, 107' which is capable of easily sliding (under a low friction) along the upper edges of the guide 101'.
  • the runners 107, 107' could be made of nylon (it being understood that particular materials are not binding for the present patent application).
  • the runners 107, 107' are mounted on a "sprung system", consisting of elastic suspensions, on the respective runner support 104, 104', so as to be able to easily slide even when the user exerts a force on the bar-handle that is not perfectly horizontal.
  • the described system which is identical to the system situated on the upper side of the bar-handle 103 (and which is associated to the guide 101), has the double function to prevent the bar-handle 103 from coming out of the lateral guides 101, 101', and to facilitate the sliding motion of the bar-handle 103 by virtue of the presence of the anti-friction means (runners) 104, 104' and of the suspensions.
  • runners anti-friction means
  • the flanges 108 of the runners insure at the same time a smooth and rectilinear sliding displacement of the bar-handle 103.
  • Fig. 11 it can be noted that two small metallic bands or webs 111 are slidable within the longitudinal grooves 109 of the guide 101 and of the guide 101' respectively, wherein these small bands 111 are fixed at one end 112 to the bar-handle 103, while their opposite ends 113 are free.
  • Two rollers 114 for redirecting the path of the metallic webs 111 are used to deviate these webs towards an inner guide 115 obtained in the final upright 100.
  • the operation is as follows.
  • the guides (or C-shaped channels) 101' and 101 remain uncovered, while in the region 117, which is not occupied by the fabric, these guides are always covered, for every position of the bar-handle 103, by the above mentioned flexible and small metallic webs 111 which slide (during the displacement of the bar handle 103) within the grooves 109 and 115.
  • the two small metallic bands or webs 111 are comparable to two flexometers made of hardened steel, which could hardly come out of their grooves 109 except in case of intentional tampering.
  • the region 117 corresponds, for a French window, to a region used as a passage, undesired material or dirt could easily accumulate inside the guide 101'.
  • the present invention puts this defect right.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Insects & Arthropods (AREA)
  • Pest Control & Pesticides (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Lock And Its Accessories (AREA)

Claims (18)

  1. Selbstsperrende Vorrichtung zum Schließen und Öffnen von Vorhängen oder Ähnlichem, die seitliche Führungen aufweist, wobei die Vorrichtung Nachfolgendes aufweist:
    - zwei seitliche Führungen (1,1'), befestigt an den Seiten eines Fensters oder einer Verandatür;
    - ein horizontales oberes kastenförmiges Element (2, 4), eingesetzt zwischen den zwei seitlichen Führungen (1, 1') und daran befestigt;
    - eine horizontale Griffstange (3,4), die zwischen den zwei seitlichen Führungen eingesetzt ist und die zwischen einem vollständig geöffneten Zustand und einem vollständig geschlossenen Zustand vertikal nach oben oder nach unten gleiten kann, wenn sie von dem Benutzer betätigt wird;
    - ein gefaltetes Gewebe (11), das an dem oberen kastenförmigen Element (2,4) entlang seinem oberen Rand befestigt ist, wobei das gefaltete Gewebe (11) eine Vielzahl von Löchern (12) aufweist, die entlang vertikaler Reihen angeordnet sind und wobei jedes dieser Löcher in einem rechteckigen Teilbereich des gefalteten Gewebes (11) enthalten ist;
    - Faden festhaltende Vorrichtungen (15) für eine Vielzahl von Fäden (17, 17', 17"; 18, 18', 18"), die die Reihen der Löcher (12) des gefalteten Gewebes (11) durchlaufen;
    - Umlenkrollen (13, 14) zur Umlenkung der Fäden, das heißt zur Änderung ihrer Richtung, und/oder um diese zu fuhren, montiert innerhalb der Griffstange (3,4) oder alternativ dazu innerhalb des oberen kastenförmigen Elements (2, 4), dadurch gekennzeichnet, dass zwei seitliche Reihen von Löchern (12) innerhalb der seitlichen Führungen (1, 1') zur Verfügung gestellt sind; dadurch, dass die Faden festhaltenden Vorrichtungen (15) an unteren Enden der seitlichen Führungen (1,1') montiert sind; und dadurch, dass die Umlenkrollen mit der Hilfe von Fadenführungsmitteln dazu geeignet sind, die Fäden (17, 17', 17"; 18, 18', 18") innerhalb der Griffstange zu führen oder alternativ dazu innerhalb des oberen kastenförmigen Elements der entsprechenden Faden festhaltenden Vorrichtungen (15) nach oben zu den Reihen von Löchern (12), und auch dazu geeignet sind zu verhindern, dass sich die Fäden gegenseitig behindern; wobei diese Fäden (17 bis 18") in Bezug auf das an den entsprechenden Faden festhaltenden Vorrichtungen (15) befestigte entgegen gesetzte Ende befestigt sind an Punkten (16) des oberen kastenförmigen Elements oder der Griffstange, die der Griffstange beziehungsweise dem oberen kastenförmigen Element dort gegenüber liegen, wo die Umlenkrollen (13, 14) untergebracht sind;
    und wobei sich zwei seitliche Fäden (17, 18) über die Entfernung zwischen der entsprechenden Faden festhaltenden Vorrichtung (15) und einem innerhalb des kastenförmigen Elements (2, 4) angeordneten Punkt erstrecken, während sie durch alle der Löcher der zwei seitlichen Reihen von Löchern (12) verlaufen.
  2. Vorrichtung gemäß Anspruch 1, wobei alle Umlenkrollen (13; 14) innerhalb der Griffstange (3, 4) angeordnet sind, und die Enden der Fäden (17 bis 18"), die den an den Faden festhaltenden Vorrichtungen (15) befestigten gegenüber liegen, an Punkten (16) befestigt sind, die innerhalb des kastenförmigen Elements angeordnet sind.
  3. Vorrichtung gemäß Anspruch 1 und 2, wobei die Punkte (16), an denen die Enden der Fäden befestigt sind, elastischen Mitteln (16) entsprechen die geeignet sind, die relative Dehnung und Verkürzung der Fäden zu kompensieren.
  4. Vorrichtung gemäß einem der vorherigen Ansprüche, wobei die zwei seitlichen Führungen die Form von Stangen mit C-förmigem Querprofil oder Führungen aufweisen, deren Führungsöffnung gegen die Öffnung des Fensters oder der Verandatür gerichtet ist, und deren Basis an den Seiten des Fensters oder der Verandatür befestigt ist.
  5. Vorrichtung gemäß einem der vorherigen Ansprüche, wobei die Umlenkrollen auf Achsen (a, b, c, d, e, f, g, h) montierte Rollen aufweisen.
  6. Vorrichtung gemäß Anspruch 5, wobei die Rollen aus gegossenen Teilen aus Polypropylen bestehen und leerlaufend auf den Achsen (a, b, c, d, e, f, g, h) montiert sind.
  7. Vorrichtung gemäß Anspruch 3, wobei das obere kastenförmige Element (2, 4) einen inneren Teil oder Kern (4) aufweist, der die Form einer Stange mit U-förmigem Querprofil aufweist, und eine obere Schiene (2), die ebenfalls die Form einer Stange mit U-förmigem Querprofil aufweist, wobei diese obere Schiene seitliche Rippen (5) aufweist, um den Kern (4) zu fixieren; und wobei die elastischen Mittel (16) konische spiralförmige Federn (16) ausformen, die in dem inneren Teil oder Kern (4) untergebracht sind.
  8. Vorrichtung gemäß Anspruch 7, wobei die Griffstange (3, 4) durch eine untere Schiene (3) ausgeformt ist, die die Form einer Stange mit U-förmigem Querprofil aufweist die identisch ist zu der oberen Schiene (2), aber seitliche Endkerben (9) auf der Basis der Profilstange aufweist, wobei diese Kerben zur Verfügung gestellt sind, um das Hindurchverlaufen von Fäden (17 bis 18") zu ermöglichen; und wobei auch die Griffstange einen inneren Teil oder Kern (4) aufweist, der die Umlenkrollen (13, 14) aufnimmt.
  9. Vorrichtung gemäß einem der vorherigen Ansprüche, wobei das Gewebe (11) ein normales Gewebe für gefaltete Vorhänge ist oder alternativ dazu ein Gewebe für gefaltete Vorhänge ist, die verwendet werden um einen Raum abzudunkeln, oder zuletzt ein netzartiges Gewebe ist, das für Moskitovorhänge verwendet wird aber konfektioniert und gefaltet ist, so dass es zur Verwendung in einer Vorrichtung gemäß der Erfindung angepasst ist.
  10. Vorrichtung gemäß einem der vorherigen Ansprüche, wobei der Boden der seitlichen Führungen (1, 1') gebräuchliche kleine Bürsten aufweist.
  11. Vorrichtung gemäß einem der vorherigen Ansprüche, wobei die Fäden (17 bis 18"), wenn die Vorrichtung auf einen Vorhang angewendet wird, der verwendet wird um einen Raum abzudunkeln, einen bestimmten Grad von Haarigkeit aufweisen, um zu verhindern, dass Licht durch die Löcher (12) hindurch tritt.
  12. Vorrichtung gemäß einem der vorherigen Ansprüche, wobei die seitlichen Führungen an den entsprechenden oberen und unteren Seiten (101, 101') befestigt sind anstatt an den seitlichen Seiten des Fensters oder der Verandatür, und die Griffstange in einer vertikalen Ausrichtung (103) horizontal entlang der seitlichen Führungen (101, 101') bewegbar ist und zwischen einem Anfangsständer (102) und einem Endeständer (100).
  13. Vorrichtung gemäß Anspruch 12, wobei an den Enden der Griffstange (103) eine Anordnung (104, 104'; 107, 107') zur Verfügung gestellt ist, die in einer bestimmten Position entlang der Griffstange justiert (105) und gesperrt (106) werden kann, wobei die Anordnung dazu geeignet ist zu verhindern (108), dass sich die Griffstange aus den Führungen (101, 101') löst, und um eine geradlinige gleitende Bewegung der Griffstange (103) sicherzustellen.
  14. Vorrichtung gemäß Anspruch 13, wobei die Anordnung (104, 104'; 107, 107') ein Laufschienenlager (104, 104') aufweist und eine Laufschiene (107, 107'), die mit Hilfe von Lagerungen auf dem entsprechenden Laufschienenlager (104, 104') montiert sind, wobei das Laufschienenlager direkt mit der Griffstange (103) verbunden ist, während die Laufschiene dazu in der Lage ist, auf der entsprechenden oberen Kante (110) der entsprechenden Führung (10 1, 101') zu gleiten.
  15. Vorrichtung gemäß Anspruch 14, wobei die Laufschiene aus Nylon hergestellt ist und mindestens die Kante (110) der Führung (101, 101') aus Aluminium hergestellt ist.
  16. Vorrichtung gemäß Anspruch 12, wobei längsgerichtete Auskehlungen (109) innerhalb der seitlichen Führungen (101, 101') und in der Nähe ihrer freien Kanten (110) enthalten sind, wobei diese Auskehlungen eine gleitende Verschiebung eines entsprechenden kleinen Bandes oder Netzes (111) ermöglichen, das aus flexiblem und widerstandsfähigem Material hergestellt ist und die seitlichen Führungen (101, 101') im Bereich (117) zwischen der Griffstange (103) und dem Endeständer (100) bedecken.
  17. Vorrichtung gemäß Anspruch 16, wobei jedes entsprechende kleine Netz (111) an einem entsprechenden Ende (112) der Griffstange (103) befestigt ist und während ihrer Schließ- oder Öffnungsbewegung automatisch durch diese bewegt wird.
  18. Vorrichtung gemäß Anspruch 17, wobei das kleine Netz (111) ein Flexometer ist, das aus gehärtetem Stahl hergestellt ist.
EP04806821A 2003-12-30 2004-11-26 Selbstsperrende vorrichtung mit seitlichen führungen, verwendet bei vorhängen Expired - Lifetime EP1701641B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000606A ITRM20030606A1 (it) 2003-12-30 2003-12-30 Dispositivo di apertura e chiusura autobloccante,
PCT/IT2004/000656 WO2005063086A1 (en) 2003-12-30 2004-11-26 Self-locking device with lateral guides, used in curtains

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EP1701641A1 EP1701641A1 (de) 2006-09-20
EP1701641B1 true EP1701641B1 (de) 2008-09-24

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AT (1) ATE408994T1 (de)
DE (1) DE602004016775D1 (de)
ES (1) ES2314482T3 (de)
IT (1) ITRM20030606A1 (de)
WO (1) WO2005063086A1 (de)

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Publication number Priority date Publication date Assignee Title
ITRM20120505A1 (it) * 2012-10-19 2014-04-20 Dfm S R L Zanzariera allarmata ad alta affidabilità.
CN113384123A (zh) * 2021-06-23 2021-09-14 王耀龙 一种便于开关窗帘
IT202300010047A1 (it) * 2023-05-18 2024-11-18 Dfm S R L Dispositivo di schermatura per ambienti

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647488B1 (en) * 1984-08-07 1994-12-27 Hunter Douglas Method and apparatus for mounting and sealing honeycomb insulation
US4762159A (en) * 1986-09-18 1988-08-09 Cooper Industries Shade system
EP0860577B1 (de) * 1997-02-19 2002-05-08 Hunter Douglas Industries B.V. Abdeckung für eine architektonische Öffnung

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DE602004016775D1 (de) 2008-11-06
ATE408994T1 (de) 2008-10-15
EP1701641A1 (de) 2006-09-20
ITRM20030606A1 (it) 2005-06-30
WO2005063086A1 (en) 2005-07-14
ES2314482T3 (es) 2009-03-16

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