EP4077864B1 - Rollschirm, insbesondere ein insektennetz - Google Patents

Rollschirm, insbesondere ein insektennetz Download PDF

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Publication number
EP4077864B1
EP4077864B1 EP20828519.7A EP20828519A EP4077864B1 EP 4077864 B1 EP4077864 B1 EP 4077864B1 EP 20828519 A EP20828519 A EP 20828519A EP 4077864 B1 EP4077864 B1 EP 4077864B1
Authority
EP
European Patent Office
Prior art keywords
roller screen
track
screen according
bottom bar
side rail
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
EP20828519.7A
Other languages
English (en)
French (fr)
Other versions
EP4077864A1 (de
EP4077864C0 (de
Inventor
Martin Birkkjaer
Per Solsø HINDHEDE
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.)
VKR Holding AS
Original Assignee
VKR Holding AS
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
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Publication of EP4077864A1 publication Critical patent/EP4077864A1/de
Application granted granted Critical
Publication of EP4077864B1 publication Critical patent/EP4077864B1/de
Publication of EP4077864C0 publication Critical patent/EP4077864C0/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
    • E06B9/52—Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
    • E06B9/54—Roller fly 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
    • E06B9/24—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
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B2009/801—Locking arrangements
    • E06B2009/804—Locking arrangements acting directly on the shutter
    • 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
    • E06B2009/805—Locking arrangements located on or in the guides
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—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
    • E06B9/88—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling
    • E06B2009/885—Braking mechanism activated by the bottom bar

Definitions

  • the invention relates to a roller screen, in particular in the form of an insect net or the like, for shielding a building aperture, in particular a roof window area, in an inclined wall, which roller screen comprises: a top casing defining a first longitudinal direction and in which a spring-biased roller bar is arranged rotatably, a bottom bar configured to extend substantially in parallel with the top casing and being manually operable, a first side rail and a second side rail, each extending in a second longitudinal direction, substantially perpendicular from a respective end of the top casing and comprising at least a first track with an opening and delimited by a front flange, a leg, a protruding flange and an upstanding flange portion, the openings of the first side rail and the second side rail facing one another, and a screening body having two side edges and a predefined length between a first end portion connected to the roller bar and a second end portion connected to the bottom bar, said screening body being movable in the second longitudinal direction between a non
  • a well-known challenge in relation to screening devices of the above mentioned type is to achieve hassle-free operation of the movable parts of the screening device.
  • One obstacle that may arise during operation relates to the movement of the screening body in the second longitudinal direction by pulling/pushing the bottom bar.
  • JP2006016815A which shows and describes a roll screen door with a windup shaft, guide rails, and a movable rail, with a stop mechanism holding the movable rail in a stopped state
  • EP1223299A2 which shows and describes a roller blind with a rotating lock engaging in the roller blind guide which is transferred against spring force from a blocking position into a release position.
  • a roller screen of the type mentioned by way of introduction and further comprising a bottom stop mechanism is provided and configured to position and securely hold the bottom bar with the screening body in the unwound position
  • the bottom bar comprises two opposite ends, each of the two opposite ends of the bottom bar being provided with an end device comprising: guiding and friction means configured to be arranged in the first track of the respective side rail and being provided with larger dimensions than the opening of the first track, and comprising at least one resilient element arranged on a fixed element and configured to press against at least one inner side of a flange of said track, and means of the bottom stop mechanism, said means comprising a resilient part biased in a direction parallel with and away from the bottom bar, and wherein the bottom stop mechanism further comprises a second part arranged in, at or on a bottom end of each the side rail, the second part comprising a recess, the second part being provided with a head portion located above the recess in the second longitudinal direction.
  • a flexible solution for a roller screen has been found in providing the bottom bar with an end device which partly provides for suitable friction and guidance during movement, partly comprises one part of the bottom stop mechanism to cooperate with a second part in, at or on the bottom end of the side rail.
  • the second part of the bottom stop mechanism is arranged outside of the at least first track of the side rail, preferably in a separate second track. In this way, proper functioning of the bottom stop mechanism on one hand and the guiding and friction means on the other is not complicated or even impeded.
  • the guiding and friction means of the respective end device are connected adjustably to each end of the bottom bar, particularly adjustably with respect to a longitudinal direction of the bottom bar. This provides for optimum adjustability possibilities.
  • the bottom bar and the guiding and friction means are fixed with respect to one another, and wherein the guiding and friction means of each end device are adjustable within the track of the respective side rail. In this way, increased flexibility is obtained.
  • the resilient part of the bottom stop mechanism means of the end device advantageously comprises an upper inclined surface adapted for abutment with an edge of the recess of the second part of the bottom stop mechanism. This design provides for a particularly smooth operation.
  • the resilient part comprises a lower inclined surface adapted for sliding abutment with an inclined portion of the second part during movement of the bottom bar in the unwinding direction of the roller screen. Also this means that operation is facilitated.
  • the resilient part comprises an arm with a point of rotation and a biasing element, such as a spring, positioned at an opposite, free end of the arm.
  • he resilient part is movable between a resting position and a maximally flexed position, and wherein the resilient element in the maximally flexed position is positioned at a distance from an inner side of a leg of the side rail. In this way, it is at all times ensured that no chafing or friction occurs.
  • each of the side rails comprises a second track separated from said first track by said protruding flange and delimited by said leg and a bottom flange, and wherein the resilient part of the bottom stop mechanism means is configured to be movable in said second track.
  • the second track in a mounted condition of the roller screen is arranged closer to an inner wall of the building aperture than the first track. This increases the utilisation of the available space even further.
  • the guiding and friction means and the means of the bottom stop mechanism are configured such that release of the means at one end of the bottom bar will entail release of the means at the other end of the bottom bar when the bottom bar is brought to an angle relative to the first longitudinal direction. This prevents that the bottom bar gets stuck if inadvertently brought to a skew position.
  • a first embodiment of a screening arrangement in the form of a roller screen 1 mounted at a building aperture 3 in an inclined wall 35 is shown.
  • the roller screen 1 may be in the form of an insect net or the like.
  • the roller screen 1 may be for shielding a building aperture 3, in particular a window area in an inclined wall or an inclined wall.
  • the building aperture 3 is delimited by side inclined walls 31 and 32, an upper inclined wall 33 and a lower inclined wall 34 and the roller screen 1 is mounted on the internal side of the building aperture 3 on the inclined wall 35.
  • a periphery is defined by surface portions of the inclined wall 35, i.e. extending in a plane substantially perpendicular to the side inclined walls 31, 32, the upper inclined wall 33 and the lower inclined wall 34.
  • the roller screen 1 may also be mounted directly on a sash 21 of a roof window 2 mounted in the building aperture 3.
  • the sash 21 comprises side elements 22, a top element 23 and a bottom element 24, and the roller screen 1 is mounted on the internal side of the sash 21 facing the interior of a building in which the roof window 2 is mounted.
  • the roller screen 1 comprises a supply condition and a condition of use.
  • the roller screen 1 further comprises a top casing 4, a bottom element 5 and first and second side rails 6, 7.
  • the top casing 4, bottom element 5 and first and second side rails 6, 7 form a rectangular frame where the top casing 4 and a bottom element 5 extending substantially in parallel to each other in a first longitudinal direction defining, in the condition of use, a width direction, and where the first and second side rails 6, 7 extend substantially in parallel to each other in a second longitudinal direction defining, in the condition of use, a height direction.
  • the first longitudinal direction is substantially perpendicular to the second longitudinal direction.
  • the first and second side rails 6, 7 thus connect the top casing 4 and the bottom element 5.
  • the thus formed rectangular frame delimits an aperture 100.
  • the roller screen 1 may comprise connection elements or inserts 40 configured to connect the top casing to the side rails and corner connection elements or inserts 60 configured to connect the bottom element to the side rails.
  • the roller screen 1 may further comprise extension elements 8, 9 for the first and second side rails 6, 7.
  • the extension elements 8, 9 makes it possible to extend the side rails 6, 7 such as to fit the roller screen 1 to the size of the building aperture 3 or roof window 2 during mounting.
  • the roller screen 1 may also comprise further connection elements or inserts similar to the connection elements 40 configured for connecting the side rails and the extension elements.
  • top casing 4, bottom element 5, side rails 6, 7 and, if provided, the extension elements 8, 9 are intended to be arranged along the edges of the building aperture 3 or along the edges of the sash 21 of the roof window 2.
  • An arrestable locking device for engagement with a retainer device may be provided at the bottom of each guide rail of the side rails 6, 7.
  • the roller screen 1 further comprises a screening body in the form of a lightweight flexible screen 10, which may be made of wire mesh 15.
  • the screen of wire mesh 15 is an insect net adapted to cover an aperture of a window in order to prevent insects, leaves, debris, birds and the like from entering the building while a flow of fresh air into the building is permitted.
  • the screen of wire mesh 15 may be a wire net of metal, fiberglass and the like synthetic fibers in a mesh or a plastic mesh made from polypropylene, polyethylene, nylon, PVC or PTFE or the like materials.
  • the screen of wire mesh 15 is a PVC coated insect net of fiberglass.
  • the screen of wire mesh 15 is preferably made so flexible that it may be wound up for easier handling during storage outside the season or in the supply condition of the roller screen 1.
  • the side edges of the screen 10 are guided in tracks (not shown in detail) in the side rails 6, 7, and if present, the extension elements 8, 9.
  • the screen 10 of wire mesh 15 thus covers the aperture 100 of the rectangular frame completely in the condition of use.
  • the roller screen 1 further comprises a spring-biased roller bar 12 (cf. Fig 4 ) arranged in the top casing 4.
  • the top casing 4 and the roller bar 12 are to be mounted at an upper edge of the building aperture 3 or roof window 2.
  • a bottom bar 13 is arranged at a bottom edge 11 of the flexible screen 10.
  • the flexible screen 10 is designed to be wound and unwound from a screening position to a non-screening position, and vice versa, by winding and unwinding, respectively, the flexible screen 10 on the roller bar 12.
  • the bottom bar 13 comprises at its opposite ends guide members slidable in guide tracks of the side rails 6, 7.
  • the bottom bar 13 comprises a handle portion 14 intended to be gripped by a user when operating the roller screen 1.
  • the handle portion 14 is provided in the form of a longitudinal recess in the bottom bar 13 to allow a user to introduce finger/s to operate the screening arrangement 1.
  • the bottom element 5 further comprises an opening 18 for receiving a fastening element 19, such as a screw, for fixing the bottom element 5 to the inclined wall 35.
  • the bottom element 5 is temporarily fixed to the inclined wall 35 in a first, intermediate position. Following sideways adjustment of the bottom element 5 and of the top casing 4, such that the rectangular shape is retained, the bottom element 5 and consequently the top casing are fixed in a second, final position.
  • the opening 18 is an oblong opening allowing for adjusting the sideways position of the assembled rectangular frame before fastening the fastening element 19 completely and thus fixing the position of the bottom element 5 and of the other components with respect to the inclined wall 35.
  • the opening 18 may be a round opening.
  • At least one of the side elements 6 and 7 may in a similar manner comprise an opening for receiving a further fastening element for fixing the side element 6, 7 to the inclined wall 35.
  • the extension elements 8, 9, where provided, may also comprise such an opening.
  • the top casing 4 comprises a rear surface 41, a front surface 42 and an upper surface 43.
  • the rear surface 41 abuts the inclined wall 35 in a mounted condition of the roller screen 1.
  • the front surface 42 faces away from the inclined wall 35 in a mounted condition of the roller screen 1.
  • the upper surface 43 connects the rear surface 41 and the front surface 42.
  • the top casing 4 defines an interior 49 in which the roller bar 12 is accommodated.
  • the flexible screen 10 is at one end portion connected to the roller bar 12 and wound on the roller bar 12 such that most of the flexible screen 10 is also accommodated in the top casing 4 in the non-screening position.
  • Fig. 4 is a simplistic view, not showing the connection of the flexible screen 10 to the bottom bar 13.
  • An opening 48 allows insertion of the flexible screen 10 into the interior 49 of the top casing 4.
  • the top casing 4 further comprises a track 44 provided in the rear surface 41 of the top casing 4 in a position adjacent to, close to or near the upper surface 43 of the top casing 4.
  • the track 44 is adapted for receiving a part of a mounting bracket 16 to be described further below.
  • the track 44 extends in a longitudinal direction of the top casing 4 between opposite longitudinal ends 47a and 47b ( Fig. 2 ) of the top casing 4.
  • the track 44 may extend all the way or part of the way, preferably centrally, between the opposite longitudinal ends 47a and 47b of the top casing 4.
  • Figs 5 to 11 further details of the roller screen 1 will be described in detail. Not all elements previously described will be mentioned in detail, including the top casing 4 defining a first longitudinal direction and in which a spring-biased roller bar 12 is arranged rotatably and the bottom bar 13 configured to extend substantially in parallel with the top casing 4 and being manually operable.
  • two side rails 6 and 7, each extending in a second longitudinal direction, substantially perpendicular from a respective end of the top casing 4 are provided; reference to the second side rail 7 as "the side rail" will be made.
  • the side rail 7 thus comprises at least a first track 71 with an opening 711 and delimited by a front flange 70, a leg 74, a protruding flange 72 and an upstanding flange portion 73a.
  • the opening 711 faces a counterpart opening of the first side rail 6.
  • the two side edges of the screening body 10 are guided in the respective side rails the two side edges of the screening body are provided with discrete or continuously positioned thickenings guided in the first track 71 and having a transverse dimension larger than the opening 711.
  • the screening body 10 has its first end portion connected to the roller bar 12 and its second end portion connected to the bottom bar 13.
  • a bottom stop mechanism is provided, which is configured to position and securely hold the bottom bar 13 with the screening body in the unwound position.
  • the bottom stop mechanism will be described in further detail below.
  • the bottom bar 13 has two opposite ends 130. At each of the two opposite ends 130, an end device 50 is provided.
  • the end device 50 comprises guiding and friction means generally designated 51 configured to be arranged in the first track 71 of the side rail 7.
  • the guiding and friction means 51 are provided with larger dimensions than the opening 711 of the first track 71 such that they are prevented from being unintendedly removed from the track 71 of the side rail 7.
  • the guiding and friction means 51 comprise at least one resilient element 512, 513 arranged on a fixed element 511 and are configured to press against at least one inner side of a flange of said track 71.
  • inner side is meant a surface facing an interior, or a cavity, of the first track 71.
  • only one resilient element could be provided, to press against the inner side of an arbitrary flange of the track 71. It is preferred that at least one resilient element presses against the front flange 70.
  • two resilient elements 512 and 513 are provided to press against the inner side of the front flange 70 and the protruding flange 72, respectively, delimiting the track 71 of the side rail 7.
  • a separate spring 514 is connected to the fixed element 511. It is also conceivable to provide the resilient element or elements with integrated biasing means.
  • the guiding and friction means 51 and the means 52 of the bottom stop mechanism are connected to at least one common element 53, 54 of the end device 50.
  • a common base element 53 and a common transition element 54 are provided.
  • the guiding and friction means 51 of the respective end device 50 are connected adjustably to each end of the bottom bar 13, particularly adjustably with respect to a longitudinal direction of the bottom bar 13.
  • the common base element 53 is provided with a central portion 530 from which a holding portion 531 for the guiding and friction means 51 and an insertion portion 532 protrude.
  • the adjustable connection between the end device and the bottom bar 13 is here achieved by the insertion portion 532 of the common base element 53, which is slidable in suitable reception means such as a track (not shown) in the bottom bar 13.
  • the bottom bar and the guiding and friction means are fixed with respect to one another, and wherein the guiding and friction means of each end device are adjustable within the track of the respective side rail.
  • the end device 50 also comprises means 52 of the bottom stop mechanism and include a resilient part 52 biased in a direction parallel with and away from the bottom bar 13.
  • the resilient part 52 is connected to the common base element 53 of the end device 50.
  • the bottom stop mechanism further comprises a second part arranged in, at or on a bottom end of each the side rail 7.
  • the second part is formed in the bottom connection corner 60 comprising also a second leg 62 and a third leg 63 arranged to be inserted into the side rail 7 and the bottom element 5, respectively.
  • the second part of the bottom stop mechanism is arranged outside of the at least first track 71 of the side rail, here in a separate second track 75, which is furthermore arranged closer to an inner wall of the building aperture than the first track 71.
  • the bottom connection corner 60 comprises a recess 611 provided with a head portion 612 located above the recess 611, as seen in the second longitudinal direction.
  • the resilient part 52 of the bottom stop mechanism means of the end device 50 comprises an arm with a point of rotation 522 and a biasing element, such as a spring 521, positioned at an opposite, free end of the arm. Furthermore, an upper inclined surface 523 is provided, which is adapted for abutment with an edge of the recess 611 of the second part 60 of the bottom stop mechanism. In this way, a safe engagement which is still easy to release is obtained.
  • the resilient part 52 comprises a lower inclined surface 524 adapted for sliding abutment with an inclined portion 613 of the second part during movement of the bottom bar 13 in the unwinding direction of the roller screen 1.
  • the inclined portion 613 thus forms a ramp for the resilient part 52, and a well-defined stop action is achieved when the resilient part 52 is moved outwards, away from the bottom bar 13, to allow the click into engagement with the recess 611 below the head portion 612.
  • the resilient part 52 of the bottom stop mechanism means is movable in the second track 75, substantially without touching the inner sides of the side rail 7.
  • this means that the resilient part 52 is movable between a resting position and a maximally flexed position, and wherein the resilient element in the maximally flexed position is positioned at a distance from an inner side of the leg 74 of the side rail 7.
  • the guiding and friction means 51 and the means 52 of the bottom stop mechanism are configured such that release of the means at one end of the bottom bar 13 will entail release of the means at the other end of the bottom bar 13 when the bottom bar is brought to an angle relative to the first longitudinal direction.
  • FIG. 12 An alternative embodiment of the roller screen 1 according to the invention is shown in Fig. 12 .
  • the roller screen 1 differs in that the bottom bar 13 delimits the handle portion14 at a central section thereof, thereby encouraging a user of the roller screen to interact with the bottom bar 13 at the center of it, thereby avoiding kinking of the bottom bar 13 in the side rails 6, 7.
  • the handle portion 14 may be delimited in a plethora of ways, e.g. the bottom bar being extruded as a substantially solid bar wherein the handle portion 14 is formed by milling. In the shown embodiment the handle portion 14 is delimited by one insert 20, where the insert 20 comprises curved section, which delimits the handle portion 14.
  • Fig. 13 shows an alternative embodiment of inserts, wherein the handle portion is delimited by a first insert 201 and a second insert 202.
  • the inserts 20, 201, 202 in both embodiments may be configured to be accommodated within a longitudinal groove 131 of the bottom bar 13.
  • the inserts 20, 201, 202 may be configured to be snapped into or slid into the longitudinal groove 131.
  • the end devices 50 may act as stops for the insert(s), 20, 201, 202.

Claims (18)

  1. Rollschirm (1), insbesondere in Form eines Insektennetzes oder dergleichen, zum Abschirmen einer Gebäudeöffnung (3), insbesondere einer Dachfensterfläche, wobei der Rollschirm Folgendes aufweist:
    ein oberes Gehäuse (4), das eine erste Längsrichtung definiert und in dem eine federgespannte Rollstange (12) drehbar angeordnet ist,
    eine untere Stange (13), die dazu ausgelegt ist, sich im Wesentlichen parallel zu dem oberen Gehäuse (4) zu erstrecken und manuell betätigbar ist,
    eine erste Seitenschiene (6) und eine zweite Seitenschiene (7), die sich jeweils in einer zweiten Längsrichtung im Wesentlichen rechtwinklig von einem jeweiligen Ende des oberen Gehäuses (4) aus erstrecken und mindestens eine erste Schiene (71) mit einer Öffnung (711) aufweisen, die durch einen vorderen Flansch (70), einen Schenkel (74), einen vorstehenden Flansch (72) und einen aufrechten Flanschabschnitt (73a) begrenzt ist, wobei die Öffnungen der ersten Seitenschiene (6) und der zweiten Seitenschiene (7) einander gegenüberliegen, und
    einen Schirmkörper (10) mit zwei Seitenrändern und einer vorgegebenen Länge zwischen einem ersten, mit der Rollstange (12) verbundenen Endabschnitt und einem zweiten, mit der unteren Stange (13) verbundenen Endabschnitt, wobei der Schirmkörper (10) in der zweiten Längsrichtung zwischen einer Nicht-Schirmstellung und einer Schirmstellung bewegbar ist, in der der Schirmkörper (10) von der Rollstange (12) abgewickelt ist und die Gebäudeöffnung abdeckt, wobei die zwei Seitenränder des Schirmkörpers mit einzelnen oder kontinuierlich angeordneten Verdickungen versehen sind, die in der ersten Spur (71) geführt werden und eine Querabmessung aufweisen, die größer als die Öffnung (711) ist,
    wobei ein unterer Anschlagmechanismus vorgesehen und dazu ausgelegt ist, die untere Stange (13) mit dem Schirmkörper in der abgewickelten Position zu positionieren und sicher zu halten,
    wobei die untere Stange (13) zwei gegenüberliegende Enden (130) aufweist, wobei jedes der zwei gegenüberliegenden Enden (130) der unteren Stange (13) mit einer Endvorrichtung (50) versehen ist, die Folgendes aufweist:
    - Führungs- und Reibungsmittel (51), die dazu ausgelegt sind, in der ersten Schiene (71) der jeweiligen Seitenschiene (6, 7) angeordnet zu werden und mit größeren Abmessungen als die Öffnung (711) der ersten Schiene (71) versehen sind, und die mindestens ein elastisches Element (512, 513), das an einem festen Element (511) angeordnet und dazu ausgelegt ist, gegen mindestens eine Innenseite eines Flansches (70, 72) der Schiene (71) zu drücken, und Mittel (52) des unteren Anschlagmechanismus aufweisen, wobei die Mittel einen elastischen Teil (52) aufweisen, der in einer Richtung parallel zu und weg von der unteren Stange (13) vorgespannt ist,
    dadurch gekennzeichnet, dass
    der Rollschirm für die Installation in eine schräge Wand vorgesehen ist,
    der untere Anschlagmechanismus ferner ein zweites Teil (60) aufweist, das in, an oder auf einem unteren Ende jeder Seitenschiene (7) angeordnet ist, wobei das zweite Teil eine Ausnehmung (611) aufweist, wobei das zweite Teil (60) mit einem Kopfabschnitt (612) versehen ist, der sich in der zweiten Längsrichtung über der Ausnehmung (611) befindet, und
    der untere Anschlagmechanismus einen gegenseitigen Eingriff zwischen dem elastischen Teil und der unterhalb des Kopfabschnitts des zweiten Teils befindlichen Ausnehmung beinhaltet.
  2. Rollschirm gemäß Anspruch 1, wobei der zweite Teil (60) des unteren Anschlagmechanismus außerhalb der mindestens ersten Spur (71) der Seitenschiene, vorzugsweise in einer separaten zweiten Spur (75), angeordnet ist.
  3. Rollschirm gemäß einem der vorhergehenden Ansprüche, wobei die Führungs- und Reibungsmittel (51) der jeweiligen Endvorrichtung (50) mit jedem Ende der unteren Stange (13) einstellbar, insbesondere in Bezug auf eine Längsrichtung der unteren Stange (13) einstellbar, verbunden sind.
  4. Rollschirm gemäß einem der Ansprüche 1 und 2, wobei die untere Stange und die Führungs- und Reibungsmittel fest miteinander verbunden sind und wobei die Führungs- und Reibungsmittel jeder Endvorrichtung innerhalb der Spur der jeweiligen Seitenschiene einstellbar sind.
  5. Rollschirm gemäß einem der vorhergehenden Ansprüche, wobei das elastische Teil (52) der unteren Anschlagmechanismusmittel der Endvorrichtung (50) eine obere geneigte Fläche (523) aufweist, die zur Anlage an einer Kante der Ausnehmung (611) des zweiten Teils (60) des unteren Anschlagmechanismus eingerichtet ist.
  6. Rollschirm gemäß einem der vorhergehenden Ansprüche, wobei das elastische Teil (52) eine untere geneigte Fläche (524) aufweist, die zur gleitenden Anlage an einem geneigten Abschnitt (613) des zweiten Teils (60) während der Bewegung der unteren Stange (13) in der Abwickelrichtung des Rollschirms (1) eingerichtet ist.
  7. Rollschirm gemäß einem der vorhergehenden Ansprüche, wobei das elastische Teil (52) einen Arm mit einem Drehpunkt und ein Vorspannelement, wie z. B. eine Feder (521), aufweist, das an einem gegenüberliegenden, freien Ende des Arms angeordnet ist.
  8. Rollschirm gemäß einem der vorhergehenden Ansprüche, wobei das elastische Teil (52) zwischen einer Ruheposition und einer maximal gebogenen Position bewegbar ist, und wobei das elastische Element in der maximal gebogenen Position in einem Abstand von einer Innenseite eines Schenkels (74) der Seitenschiene (7) positioniert ist.
  9. Rollschirm gemäß einem der vorhergehenden Ansprüche, wobei jede der Seitenschienen (7) eine zweite Spur (75) aufweist, die von der ersten Spur (71) durch den vorstehenden Flansch (72) getrennt und durch den Schenkel (74) und einen unteren Flansch (76) begrenzt ist, und wobei das elastische Teil (52) der unteren Anschlagmechanismusmittel dazu ausgelegt ist, in der zweiten Spur (75) bewegbar zu sein.
  10. Rollschirm gemäß Anspruch 9, wobei die zweite Spur (75) in einem montierten Zustand des Rollschirms näher an einer Innenwand der Gebäudeöffnung als die erste Spur (71) angeordnet ist.
  11. Rollschirm gemäß einem der vorhergehenden Ansprüche, wobei die Seitenschienen (6, 7) Verlängerungselemente (8, 9) aufweisen.
  12. Rollschirm gemäß einem der vorhergehenden Ansprüche, wobei ein unteres Element (5) gegenüber dem oberen Gehäuse (4) so vorgesehen ist, dass ein rechteckiger Rahmen gebildet wird, der das obere Gehäuse (4), das untere Element (5), die erste und zweite Seitenschiene (6, 7) und gegebenenfalls Verlängerungselemente (8, 9) aufweist, sodass das obere Gehäuse (4) und das untere Element (5) im Wesentlichen parallel zueinander verlaufen, und die erste und zweite Seitenschiene (6, 7), gegebenenfalls mit Verlängerungselementen (8, 9), im Wesentlichen parallel zueinander verlaufen und das obere Gehäuse (4) und das untere Element (5) verbinden, wobei die Verlängerungselemente (8, 9) vorzugsweise einen im Wesentlichen gleichen Querschnitt wie die Seitenschienen (6, 7) aufweisen.
  13. Rollschirm gemäß einem der vorhergehenden Ansprüche, wobei die Führungs- und Reibungsmittel (51) und die Mittel (52) des unteren Anschlagmechanismus so ausgelegt sind, dass ein Lösen der Mittel an einem Ende der unteren Stange (13) ein Lösen der Mittel am anderen Ende der unteren Stange (13) nach sich zieht, wenn die untere Stange in einen Winkel relativ zur ersten Längsrichtung gebracht wird.
  14. Rollschirm gemäß einem der vorhergehenden Ansprüche, wobei die Führungs- und Reibungsmittel (51) und die Mittel (52) des unteren Anschlagmechanismus mit mindestens einem gemeinsamen Element (53, 54) der Endvorrichtung (50), vorzugsweise mit einem gemeinsamen Basiselement (53) und einem gemeinsamen Übergangselement (54), verbunden sind.
  15. Rollschirm gemäß einem der vorhergehenden Ansprüche, wobei mindestens ein elastisches Element (512, 513) dazu ausgelegt ist, gegen die Innenseite des vorderen Flansches (70) zu drücken, der die Spur (71) der Seitenschiene (6, 7) begrenzt.
  16. Rollschirm gemäß einem der vorhergehenden Ansprüche, wobei eine Feder (514) mit dem festen Element (511) verbunden ist.
  17. Rollschirm gemäß einem der vorhergehenden Ansprüche, wobei ein erstes elastisches Element (512) und ein zweites elastisches Element (513) mit einem gemeinsamen festen Element (511) verbunden sind, das dazu ausgelegt ist, gegen die Innenseite des vorderen Flansches (70) und den vorstehenden Flansch (72), der die Spur (71) der Seitenschiene (6, 7) begrenzt, zu drücken.
  18. Rollschirm gemäß einem der vorhergehenden Ansprüche, wobei die untere Stange (13) Mittel zur Begrenzung eines Griffabschnitts (14) zum Greifen der unteren Stange (13) in einem mittleren Abschnitt desselben aufweist, wobei die Mittel vorzugsweise mindestens ein Einsatzelement (20; 201, 202) aufweisen, das in einer Längsnut (131) der unteren Stange (13) untergebracht ist.
EP20828519.7A 2019-12-20 2020-12-17 Rollschirm, insbesondere ein insektennetz Active EP4077864B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201970815 2019-12-20
PCT/DK2020/050378 WO2021121514A1 (en) 2019-12-20 2020-12-17 A roller screen, in particular an insect net

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EP4077864A1 EP4077864A1 (de) 2022-10-26
EP4077864B1 true EP4077864B1 (de) 2023-10-04
EP4077864C0 EP4077864C0 (de) 2023-10-04

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HU (1) HUE064228T2 (de)
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10100750A1 (de) * 2001-01-10 2002-07-18 Sks Stakusit Bautechnik Gmbh Rollo, insbesondere Insektenschutz-Rollo
JP4478521B2 (ja) * 2004-06-30 2010-06-09 アイシン機工株式会社 ロール網戸
US11591849B2 (en) 2018-03-16 2023-02-28 Freedom Screens Capital Pty Ltd Draw bar and brake arrangement for a draw bar

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HUE064228T2 (hu) 2024-02-28
PL4077864T3 (pl) 2024-04-15
WO2021121514A1 (en) 2021-06-24
EP4077864A1 (de) 2022-10-26
EP4077864C0 (de) 2023-10-04

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