EP0869255B1 - Selbstblockiervorrichtung für die Schürze eines Rolladens in ausgefahrener Stellung - Google Patents

Selbstblockiervorrichtung für die Schürze eines Rolladens in ausgefahrener Stellung Download PDF

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Publication number
EP0869255B1
EP0869255B1 EP19980440062 EP98440062A EP0869255B1 EP 0869255 B1 EP0869255 B1 EP 0869255B1 EP 19980440062 EP19980440062 EP 19980440062 EP 98440062 A EP98440062 A EP 98440062A EP 0869255 B1 EP0869255 B1 EP 0869255B1
Authority
EP
European Patent Office
Prior art keywords
self
connector
blocking device
hooking
apron
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
EP19980440062
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English (en)
French (fr)
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EP0869255A1 (de
Inventor
Robert Bubendorf
Frédéric Kihn
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.)
Bubendorff Volet Roulant SA
Original Assignee
Bubendorff Volet Roulant SA
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
Priority claimed from FR9704179A external-priority patent/FR2761401B1/fr
Application filed by Bubendorff Volet Roulant SA filed Critical Bubendorff Volet Roulant SA
Publication of EP0869255A1 publication Critical patent/EP0869255A1/de
Application granted granted Critical
Publication of EP0869255B1 publication Critical patent/EP0869255B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/86—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic against unauthorised opening
    • 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
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B2009/801—Locking arrangements
    • E06B2009/802—Locking arrangements located in or close to shutter box

Definitions

  • the invention relates to a device for self-locking an apron. roller shutter in the deployed position as defined in the preamble of claim 1.
  • the present invention will find its application in the field roller shutters.
  • roller shutter decks corresponding to the description above.
  • self-locking devices have the function of preventing roller shutter curtain, when in full position deployed, go back into the box housing, usually, the winding shaft of this deck, this under the action of a thrust exerted directly on the latter correspondent, by example, an attempted break-in.
  • such self-locking devices are made up of one, two or more links which have the faculty, on the one hand, to come back around the tree curtain winding so as not to interfere with the winding of this last inside the caisson and on the other hand to come "Bracing" between the winding shaft and the first blade when the apron is in the fully extended position.
  • a similar self-locking device is described in document DE-U-94 19 412.
  • the links making up this device are hinged together, taking into account that the authorized pivot angle, in a direction opposite to the winding of these links around the tube winding, is limited, so these links are actually able to brace itself between said tube of winding and the first blade of the apron when one comes force, somewhat deployment, while said deck is already in fully deployed position.
  • this self-locking device is effective only in a well-defined position that it should master perfectly.
  • the distance between the first blade of the deck and the winding shaft knowing that this distance is variable depending on the section that presents the rolled up apron and, therefore, the size of the flap rolling.
  • the size and the number of links constituting the self-locking device should be strictly determined with respect to the aforementioned distance.
  • the height of the blades extending in the box when the apron is deployed influences the position taken the self-locking device when it comes into action. Now, in function of this position the constraints printed on the first blade of the apron are different.
  • the ideal case corresponds to the situation where the constraint printed by the self-locking device on the first blade of the deck is located, exactly, in the plane of the latter, assuming that this first blade of the apron is, itself, in alignment with the other blades.
  • this first blade of the deck is located the most often either too high or too low relative to the position ideal of the self-locking device, the constraint imparted by the latter on this first blade very often results in a component perpendicular to the plane of the deck so that this first blade is either pushed against the wall of the box, either folded in the direction of the winding shaft under this constraint.
  • This has the consequence of soliciting, strongly, the means of articulation connecting this first blade to the second until causing, in some cases, their rupture.
  • a device blocking device composed of several blades connected to each other by a telescopic articulation presenting two sectors of rotation delimited by a setback and able to limit the blocking angle of two consecutive blades when these are in compression, either by the movement of the shaft, or by an apron lift test.
  • these blades of the self-locking device are able to oppose a attempt to raise the deck, this when they describe, between them, a concave shape or a shape convex to the axis of the winding shaft of this apron.
  • such a self-locking device is able to fulfill these functions optimally, not in a only case as for the device of the cited document previously, but in two specific cases.
  • a self-locking device cannot respond to all situations encountered. So except in two situations ideal, the action of this self-locking device on the first blade of the deck does not run in line with this last, leading to a stressing of the final blade and, therefore, of its articulation means connecting it to the blade next, or even at the last link of the self-locking device.
  • the present invention is intended to provide a solution to the above problems or allow the self-locking device to adjust to constraints dimensional dimensions, namely the section taken by the apron wrapped around its winding shaft and, more in particular, the height defined by the blade (s) persistent inside the roller shutter box when the apron is in the deployed position.
  • the invention relates to a self-locking device a roller shutter curtain in the deployed position, consisting of at least two links connected using means of articulation equipped with means capable of ensuring blocking in rotation of the links, one with respect to the other, under the impulse of a force tending to repel them one by direction of the other, one of these links being pivotally mounted an apron winding shaft between a folded position around this tree and a deployed position, the other link being connected, by articulated connecting means, to the first blade of the deck, characterized in that said means capable of blocking the rotation of the links relative to each other, are defined capable of ensuring this locking in any angular position under the impulse of a force tending to push them one towards the other.
  • the self-locking device includes elastic return means capable of pushing the first link in its deployed position relative to the shaft winding.
  • the self-locking device can also be provided with three or more links including at least the last, attached to the first blade of the deck, is connected to the previous one using articulation means according to the invention.
  • the first link is defined by two or more sections of links made integral using joints allowing them to fold around the winding tree or to deploy under the action of elastic return means.
  • the advantages of the present invention consist of that as long as the self-locking device is under tension, the last link connected to the first blade of the deck is in able to freely rotate relative to the following links. In this way, this last link of the locking device can be placed ideally in relation to the first blade of the deck regardless of the position of this blade in the box.
  • the feedback provided by the first blade of the apron on the last link tends to push it back in direction of the previous link, which results in to immobilize these links in rotation relative to the other.
  • the action that comes to exert, then, this device self-locking on this first blade of the deck results in a force being exerted, appreciably, in the plane of the latter. As a result, the desired goal is achieved.
  • a rolling shutter 1 comprises a winding shaft 2 an apron 3 composed of a juxtaposition of blades 4, 5, interconnected by means of joints 6 often of telescopic nature to give this deck 3 of the roller shutter 1 an open position and a position total concealment.
  • blades 4, 5 are brought to move, at their lateral ends, in guide rails 7 usually terminating at their ends upper 8 to a box 9 able to house the deck 3 in position wrapped around the winding shaft 2.
  • the first blade 4 of this deck 3 is connected to this winding shaft 2 via a device self-locking device 10 having the function of opposing, under the action of a thrust exerted on said apron 3 completely deployed, when the latter rises inside the box 9.
  • a device self-locking device 10 having the function of opposing, under the action of a thrust exerted on said apron 3 completely deployed, when the latter rises inside the box 9.
  • this self-locking device 10 is consisting of at least two links 11, 12 connected using articulation means 13, one 11 of these links being mounted pivoting on the winding shaft 2, between a position folded around the latter and a deployed position 14, plus particularly visible in Figures 1, 2 and 4.
  • the other link 12 is connected, meanwhile, by connecting means articulated 15 to the first blade 4 of the deck 3.
  • the articulation means 13, connecting the two links 11, 12 of the device 10 and represented according to a preferred embodiment in Figure 3 are equipped means 16 capable of blocking the rotation of these links 11, 12 relative to each other in a position any angle, driven by a reaction force printed by the apron 3 tending to repel said links 11, 12 one towards the other.
  • this self-locking device 1 can also be provided with elastic return means 17 capable of repelling the link 11 in its deployed position 14 relative to the shaft winding 2.
  • this free articulation of the links 11, 12, prior to blocking them allows the self-locking device 10 to adjust perfectly to the distance D between the axis 18 of said winding shaft 2 of the free end 19 of the first blade 4 corresponding to the deck 3, specifying that about, that this distance D is dependent on the position taken by this free end 19 of this first blade 4 to inside the box 9.
  • the hinge means 13 have a configuration similar to a toggle joint, link 12 comprising, at its upper end 20, opposite to that intended to cooperate with the first blade 4, a form of hook 21 engaged in a gutter 22 present at the end lower 23 of the next link 11. More precisely, the hook-shaped part 21 has a termination 24 of rounded shape coming to take position in a cradle 25 that defines one of the side walls 26 delimiting the gutter 22. Note that if the hook-shaped part 21 is in able to pivot inside the gutter 22, in particular under the influence of form termination cooperation rounded 24 with the cradle 25, this part in the form of hook 21 has, in addition, a certain clearance 27 inside of this gutter 22 for the reasons which will now be exposed.
  • the rotation locking means 16 are are in the form of attachment means, such as teeth 28, formed at the periphery 29 of the part in the form of hook 21 and intended to cooperate with hooking means complementary such as a dentition of conjugate shape 30, present at the level of the internal wall 31 of the gutter 22.
  • the hooking means in the form of teeth 28, cooperate with the attachment means 30 resulting in the blocking of rotation of the links 11, 12 relative to each other.
  • link 12 may be provided at its upper end 20 with a tab 32 provided, on its side 33 facing the lower end 23 of the link 11, of attachment means, in particular in the form of teeth 28A intended to cooperate with fastening means complementary, also if necessary in the form of teeth 30A, which includes the outer periphery 34 of the wall lateral 26 corresponding to the gutter 22 and defining the cradle 25.
  • the persistent play 27A between the teeth 28A and that 30A when the links 11, 12 are in tension is substantially equal to the clearance 27 between the means attachment 28 and the additional attachment means 30 corresponding, respectively, to the hook-shaped part 21 and the gutter 22.
  • teeth constituting the attachment means 28; 28A and the means additional attachment 30; 30A one can imagine other embodiments of these. All in particular, these teeth can be replaced by a coating with a high coefficient of friction, such as rubber or similar coating. We can still imagine to combine these different solutions so that by example, teeth come in the locked position nest in a flexible rubber coating.
  • this self-locking device 10 receives means stops 40 capable of limiting the pivot angle of the link 12 relative to link 11, this at least in the direction of winding shaft 2.
  • these stop means 40 are constituted by a stop 41 projecting from the outer periphery 34 of the wall lateral 26 corresponding to the gutter 22 of the link 11, beyond teeth 30A. against this judgment 41 is, therefore, in able to abut the free end of the tab 32 which is fitted the link 12 at its upper end 20. Good of course, we could still imagine other modes of realization of these stop means 40.
  • this first link 11 must have a certain length which, if we imagine it rigid, would somewhat hinder the winding of the deck 3 around this winding shaft 2.
  • this first link 11 can consist of two or more sections of links 11A, 11B which as visible in FIG. 4 are foldable around the winding shaft 2.
  • the links 11, 12 and / or the link sections 11A, 11B may be of curvilinear shape adapted to the section of winding shaft 2.
  • the latter is of polygonal section, to adjust the links 11, 12 or the link sections 11A, 11B in the form sides of this winding shaft 2 of polygonal shape.
  • the self-locking device 10 can consist of more than two links which can all be connected by means of articulation means 13 equipped blocking means 16 knowing, however, that at least the last link 12, attached to the first blade 4 of the deck 3 is connected to the previous link in this way.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Audible And Visible Signals (AREA)
  • Road Signs Or Road Markings (AREA)

Claims (14)

  1. Selbstsperrvorrichtung für eine Decke (3) eines Rolladens (1) in entfalteter Stellung, bestehend aus wenigstens zwei durch Gelenkmittel (13) verbundenen Verbindungsgliedern (11, 12), die mit Mitteln (16) versehen sind, geeignet, die Sperrung der Drehung dieser Verbindungsglieder (11, 12) zu einander zu sichern, unter der Wirkung einer Kraft, die dazu neigt, diese zu einander zurückzudrücken, wobei eines dieser Verbindungsglieder (11) auf einer Aufwicklungswelle (2) der Decke (3), schwenkbar zwischen einer um diese Welle (2) aufgewickelten Stellung und einer entfalteten Stellung (14), gelagert ist, das andere Verbindungsglied (12) über gelenkige Verbindungsmittel (15) mit der ersten Leiste (4) der Decke (3) verbunden ist, dadurch gekennzeichnet, daß die genannten Mittel (16), geeignet, die Sperrung der Drehung der Verbindungsglieder (11, 12) zu einander zu sichern, so definiert sind, daß sie diese Sperrung unter der Wirkung einer Kraft, die dazu neigt, diese zu einander zurückzudrücken, in irgendeiner Winkelstellung sichern können.
  2. Selbstsperrvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß sie drei oder mehr Verbindungsglieder umfaßt, von denen wenigstens das letzte (12), das mit der ersten Leiste (4) der Decke (3) verbunden ist, über mit Sperrmitteln (16) versehene Gelenkmittel (13) mit dem vorigen (11) verbunden ist.
  3. Selbstsperrvorrichtung nach irgendeinem der vorgehenden Ansprüche, dadurch gekennzeichnet, daß das erste, schwenkbar auf der Aufwicklungswelle (2) der Decke (3) gelagerte Verbindungsglied (11) aus zwei oder mehr Verbindungsgliedabschnitten (11A, 11B) besteht, die entgegen der Wirkung elastischer Rückstellmittel (36), geeignet, sie zu einander zurückzudrücken, um die genannte Aufwicklungswelle (2) umfaltbar sind, um sie in deren im wesentlichen flüchtige, entfaltete Stellung zurückzubringen.
  4. Selbstsperrvorrichtung nach irgendeinem der vorgehenden Ansprüche, dadurch gekennzeichnet, daß die Gelenkmittel (13) eine Konfiguration ähnlich eines Kniestücks aufweisen.
  5. Selbstsperrvorrichtung nach irgendeinem der vorgehenden Ansprüche, dadurch gekennzeichnet, daß das Verbindungsglied (12) an seinem oberen Ende (20), das demjenigen, das mit der ersten Leiste (4) zusammenwirken soll, gegenüberliegt, eine Gestalt eines in einer am unteren Ende (23) des nächsten Verbindungsglieds (11) vorhandenen Rille (22) eingeführten Hakens (21) aufweist, wobei der hakenförmige Teil (21) ein abgerundetes Ende (24) umfaßt, das sich in eine tonnenförmige Aussparung (25) positioniert, die durch eine der die genannte Rille (22) begrenzenden Wände (26) definiert ist, wobei der genannte hakenförmige Teil (21) außerdem ein gewisses Spiel (27) in der genannten Rille (22) aufweist.
  6. Selbstsperrvorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Drehsperrmittel (16) als Kupplungsmittel, wie Verzahnungen (28), ausgestaltet sind, die am Umkreis (29) des hakenförmigen Teils (21) vorgesehen und dazu bestimmt sind, mit ergänzenden Kupplungsmitteln, wie einer im Bereich der Innenwand (31) der Rille (22) vorhandenen Verzahnung einer ergänzenden Form (30), zusammenzuwirken, wobei die genannten Kupplungsmittel (28) unter der Wirkung eines Druckes der Verbindungsglieder (11, 12) zu einander mit ergänzenden Kupplungsmitteln (30) zusammenwirken.
  7. Selbstsperrvorrichtung nach einem der Ansprüche 5 oder 6, dadurch gekennzeichnet, daß die Drehsperrmittel (16) einerseits aus Kupplungsmitteln, nämlich in der Form einer Verzahnung (28A), mit der die dem unteren Ende (23) des Verbindungsglieds (11) gegenüberliegende Seite (33) eines Füßchens (32), das das Verbindungsglied (12) an dessen oberen Ende (20) umfaßt, versehen ist, und andererseits aus ergänzenden Kupplungsmitteln, wie einer am Außenumkreis (34) der der Rille (22) entsprechenden und die tonnenförmigen Aussparung (25) definierenden Seitenwand (26) vorgesehenen Verzahnung (30A), bestehen, wobei zwischen diesen Kupplungsmitteln (28A) und den ergänzenden Kupplungsmitteln (30A) ein Spiel (27A) bestehen bleibt, wenn die Verbindungsglieder (11, 12) gespannt sind, während die genannten Kupplungsmittel (28A) mit den ergänzenden Kupplungsmitteln (30A) zusammenwirken, wenn die Verbindungsglieder (11, 12) zu einander zurückgedrückt sind.
  8. Selbstsperrvorrichtung nach Ansprüchen 6 und 7, dadurch gekennzeichnet, daß das Spiel (27) zwischen den Kupplungsmitteln (28) und den ergänzenden Kupplungsmitteln (30) und das Spiel (27A) zwischen den Kupplungsmitteln (28A) und den ergänzenden Kupplungsmitteln (30A) im wesentlichen gleich sind.
  9. Selbstsperrvorrichtung nach irgendeinem der Ansprüche 6 und 7, dadurch gekennzeichnet, daß die Kupplungsmittel (28 ; 28A) aus Verzahnungen und/oder einer Verkleidung mit hohem Reibungskoeffizienten, wie einer Gummiverkleidung, bestehen, während die ergänzenden Kupplungsmittel (30 ; 30A) aus Verzahnungen und/oder einer Verkleidung mit hohem Reibungskoeffizienten, wie einer Gummiverkleidung, bestehen.
  10. Selbstsperrvorrichtung nach irgendeinem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Verbindungsglieder (11, 12) und/oder die Verbindungsgliedabschnitte (11A, 11B) eine dem Querschnitt der Aufwicklungswelle (2) angepaßten, krummlinigen Form haben.
  11. Selbstsperrvorrichtung nach irgendeinem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Verbindungsglieder (11, 12) und/oder die Verbindungsgliedabschnitte (11A, 11B) der Form der Seiten einer Aufwicklungswelle (2) einer vieleckigen Gestalt angepaßt sind.
  12. Selbstsperrvorrichtung nach irgendeinem der vorgehenden Ansprüche, dadurch gekennzeichnet, daß sie Anschlagmittel (40) umfaßt, die geeignet sind, den Schwenkungswinkel des mit der ersten Leiste (4) der Decke (3) verbundenen Verbindungsglieds (12) bezüglich des schwenkbar auf der Aufwicklungswelle (2) dieser Decke (3) gelagerten Verbindungsglieds (11) zu begrenzen, und zwar in Richtung dieser Aufwicklungswelle (2).
  13. Selbstsperrvorrichtung nach Ansprüchen 7 und 12, dadurch gekennzeichnet, daß die Anschlagmittel (40) aus einer am Außenkreis (34) der der Rille (22) des Verbindungsglieds (11) entsprechenden Seitenwand (26) hervorstehenden Sperre (41) bestehen, wobei gegen diese Sperre (41) das freie Ende des Füßchens (22), mit dem das Verbindungsglied (12) an dessen oberen Ende (20) versehen ist, anstoßen kann.
  14. Selbstsperrvorrichtung nach irgendeinem der vorgehenden Ansprüche, dadurch gekennzeichnet, daß sie elastische Rückstellmittel (17) umfaßt, die geeignet sind, das schwenkbar auf der Aufwicklungswelle (2) gelagerte Verbindungsglied (11) in dessen bezüglich dieser Aufwicklungswelle (2) entfaltete Stellung (14) zurückzudrücken.
EP19980440062 1997-04-01 1998-03-26 Selbstblockiervorrichtung für die Schürze eines Rolladens in ausgefahrener Stellung Expired - Lifetime EP0869255B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR9704179 1997-04-01
FR9704179A FR2761401B1 (fr) 1997-04-01 1997-04-01 Dispositif d'autoblocage d'un tablier de volet roulant en position deployee
FR9711613A FR2761402B3 (fr) 1997-04-01 1997-09-15 Dispositif d'autoblocage d'un tablier de volet roulant en position deployee
FR9711613 1997-09-15

Publications (2)

Publication Number Publication Date
EP0869255A1 EP0869255A1 (de) 1998-10-07
EP0869255B1 true EP0869255B1 (de) 2001-08-01

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EP19980440062 Expired - Lifetime EP0869255B1 (de) 1997-04-01 1998-03-26 Selbstblockiervorrichtung für die Schürze eines Rolladens in ausgefahrener Stellung

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Country Link
EP (1) EP0869255B1 (de)
DE (1) DE69801252T2 (de)
ES (1) ES2161511T3 (de)
FR (1) FR2761402B3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50115203D1 (de) * 2001-06-15 2009-12-17 Klenk Gottlieb Sicherungseinrichtung für Rolläden oder dergleichen
FR2873400B1 (fr) 2004-07-22 2006-11-10 Jouvence Sarl Ensemble de lames articulees, tablier de volet roulant et volet roulant ainsi forme
FR2920814B1 (fr) * 2007-09-11 2010-03-12 Bubendorff Dipositif d'auto blocage pour tablier de volet roulant
DE202015002553U1 (de) 2015-04-02 2015-06-22 Marina Veldhuizen Hochschiebesicherung für Rollladen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2375426A1 (fr) * 1976-12-24 1978-07-21 Budendorff Richard Dispositif de securite pour volet roulant
DE3000850A1 (de) * 1980-01-11 1981-07-30 Weru Gmbh & Co Kg, 7062 Rudersberg Rolladenkasten
DE9403638U1 (de) * 1994-03-04 1994-04-28 Gust. Alberts GmbH & Co KG, 58849 Herscheid Rolladensicherung
FR2720100B1 (fr) * 1994-05-20 1996-08-09 Zurfluh Feller Sa Verrou automatique pour volet roulant.
DE9419412U1 (de) * 1994-12-05 1995-01-26 Karl Achenbach GmbH, 66117 Saarbrücken Hochschiebesicherung für Rolläden und Rolltore

Also Published As

Publication number Publication date
DE69801252D1 (de) 2001-09-06
FR2761402A1 (fr) 1998-10-02
DE69801252T2 (de) 2002-05-02
ES2161511T3 (es) 2001-12-01
FR2761402B3 (fr) 1999-05-21
EP0869255A1 (de) 1998-10-07

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