EP2738342B1 - Abschirmvorrichtung für ein Fenster - Google Patents

Abschirmvorrichtung für ein Fenster Download PDF

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Publication number
EP2738342B1
EP2738342B1 EP13195303.6A EP13195303A EP2738342B1 EP 2738342 B1 EP2738342 B1 EP 2738342B1 EP 13195303 A EP13195303 A EP 13195303A EP 2738342 B1 EP2738342 B1 EP 2738342B1
Authority
EP
European Patent Office
Prior art keywords
transmission means
screening arrangement
electrical
bottom element
side rails
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
EP13195303.6A
Other languages
English (en)
French (fr)
Other versions
EP2738342A1 (de
Inventor
Martin Birkkjaer
Henrik Skårup Jørgensen
Søren Risager Knudtzen
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
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Filing date
Publication date
Application filed by VKR Holding AS filed Critical VKR Holding AS
Publication of EP2738342A1 publication Critical patent/EP2738342A1/de
Application granted granted Critical
Publication of EP2738342B1 publication Critical patent/EP2738342B1/de
Active 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
    • E06B9/58—Guiding devices
    • 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
    • E06B9/64—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor with lowerable roller
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive

Definitions

  • the present invention relates to a screening arrangement for a window, preferably a roof window, comprising a frame with a top piece, a bottom piece and two side pieces the screening arrangement comprising a bottom element and two side rails comprising a longitudinal direction L and a width direction W, the bottom element being movable with respect to the two side rails between a first non-screening position and a second screening position by means of a drive means comprising a first transmission means arranged in said bottom element and a second transmission means arranged in each of the two side rails such as to extend substantially in the longitudinal direction L of the respective side rail.
  • a screening arrangement of the above general type is known from JP 11-152974 A , which describes a shutter comprising a bottom element with a shaft and two gear wheels, two side rails with a rack for engagement with the gear wheels and a screening device.
  • An electrical motor for moving the bottom element is arranged in the bottom element of the screening arrangement together with batteries for providing electrical power to the motor.
  • top element When mounting such screening devices on a frame one generally speaking arranges the top element at the top piece of the frame and subsequently the two side rails are connected to the top element by arranging them along the respective side pieces of the frame and connecting them thereto. Finally, one connects the bottom element to the side rails in such a way that the first transmission means is brought into engagement with the second transmission means.
  • the distance between the side pieces of the frame as measured in a direction perpendicular to both side pieces may vary over the longitudinal extension of the side pieces.
  • Such variations normally arise from imperfections occuring naturally in the frame pieces or being caused during the production of the frame pieces but may in principle also arise from variations in the corresponding distance between the side surfaces of the aperture in which the frame is installed.
  • the object of the invention to provide a screening device of the type mentioned in the introduction, whereby the transmission means are less susceptible, or even not susceptible at all, to variations in the distance between the two side pieces of the frame on which the screening arrangement is mounted as measured in a direction perpendicular to both side pieces. Further, it is an object to provide a compact screening device i.e. slim side rails which is also easy to assemble.
  • this is obtained by a screening device of the type described in the introduction, in which at least one electrical guide is arranged in at least one of the two side rails such as to extend substantially in the longitudinal direction L of the at least one of the side rails and in which the second transmission means is arranged offset with respect to the at least one electrical guide in a depth direction D extending substantially perpendicular to both the longitudinal direction L and the width direction W.
  • the construction of the side rails of a screening arrangement according to the invention may be described such that the surface of at least one electrical guide is offset with respect to the second transmission means in the depth direction D.
  • the first transmission means may follow the path of to the second transmission means, even where the second transmission means does not follow a completely straight line as a result of variations as described above.
  • the first transmission means is capable of taking up variations in the distance between the two side rails as measured in a direction perpendicular to both side rails.
  • the transmission means are considerably less susceptible to variations in the distance between the two side pieces of the frame. This in turn leads to a screening arrangement being more robust and less in risk of being damaged.
  • the side rails further comprise an outer profile and an inner profile, the second transmission means and the at least one electrical guide being arranged on the inner profile in such a way that the second transmission means is arranged offset with respect to the at least one electrical guide in a depth direction D extending substantially perpendicular to both the longitudinal direction L and width direction W.
  • At least one of the side rails comprises two electrical guides extending on each side of the second transmission means.
  • the first transmission means is arranged in the bottom element in such a way that at least a part of the first transmission means is displaceable in a longitudinal direction LB of the bottom element.
  • a screening arrangement in which the first transmission means is capable of taking up even larger variations in the distance between the two side rails as measured in a direction perpendicular to both side rails. This in turn leads to a screening arrangement being even more robust and even less in risk of being damaged.
  • the second transmission means is arranged recessed with respect to the at least one electrical guide in a depth direction D extending substantially perpendicularly to both the longitudinal direction L and the width direction W.
  • the recessed second transmission means provides for a track in which the first transmission means moves and is guided wothout being able to inflict damage on the electrical guides.
  • a screening arrangement is provided in which the engagement between the first transmission means and the second transmission means is particularly robust.
  • the second transmission means is arranged raised with respect to the at least one electrical guide in a depth direction D extending substantially perpendicular to both the longitudinal direction L and width direction W.
  • a screening arrangement in which the first transmission means is capable of being displaced sidewards to a position above the electrical guide(s) without inflicting damage thereto.
  • the first transmission means may take up particularly large variations in the distance between the two side rails as measured in a direction perpendicular to both side rails. This in turn leads to a screening arrangement being particularly robust.
  • the second transmission means may be arranged offset with respect to the at least one electrical guide in a depth direction D extending substantially perpendicular to both the longitudinal direction L and width direction W by at least 0,5 mm, preferably at least 0,8 mm, more preferably at least 1 mm, most preferably at least 1,2 mm.
  • the drive means is an electrical drive means
  • the first transmission means comprises an electrical motor driving the drive means and being arranged in the bottom element.
  • the first transmission means comprises a rotatable shaft and a gear wheel at opposite ends of said shaft and that the second transmission means comprises a rack extending in the longitudinal direction of each of the side rails, which provides for a particlularly well functioning and durable transmission system.
  • the gear wheel is arranged on the shaft in such way that it is displaceable in a longitudinal direction LB of the bottom element.
  • a screening arrangement is provided in which the gear wheel and/or the rotatable shaft is capable of taking up considerable variations in the distance between the two side rails as measured in a direction perpendicular to both side rails. This in turn leads to a screening arrangement being even more robust.
  • the screening arrangement further comprises at least one suspension element arranged on the bottom element, the suspension element being adapted for allowing the first transmission means to be movable between a first position in which the first transmission means and the second transmission means are in mutual engagement and a second position in which the first transmission means and the second transmission means are disengaged.
  • the outer profile and the inner profile are arranged such as to form between them a guide slot for guiding the bottom element.
  • each of the side rails further comprise a bevelled end section adapted for receiving the first transmission means and guiding it into engagement with the second transmission means when connecting the bottom element to the side rails.
  • each of the side rails further comprise a flange, whereby the side rails may be mounted on a side piece of a frame in a particularly robust and durable manner.
  • Figs 1 and 2 show an embodiment of a screening arrangement generally designated 1.
  • the screening arrangement 1 is adapted to be mounted on a frame constituted by a frame 2 representing a window.
  • the frame 2 is preferably a pivotable frame, but may likewise be a stationary frame, which in a mounted position of the window lines an opening in a building.
  • frame is to be understood as incorporating any substantially rectangular structure positioned in any opening in a building, whether in a wall or the roof, and surrounding an aperture to be screened.
  • the screening arrangement 1 may thus be utilized in connection with e.g. windows having a frame only, windows having a sash and a frame, or in doors.
  • the frame 2 has a top piece 21, a bottom piece 22 and two side pieces 23 and 24 surrounding an aperture, which is covered by a suitable panel element such as a glazing in the form of an insulating pane (not shown).
  • the frame 2 furthermore comprises two electrical outlets 25, 26 (cf. Fig. 2 ), one on each side piece 23, 24. It is noted that in other embodiments only one electrical outlet may be provided, and/or the electrical outlet(s) may be arranged on the top piece 21 or even the bottom piece 22.
  • the screening arrangement 1 comprises a top element 4 positioned at the top piece 21, a screening body 6 (shown in Fig. 1 only) and a bottom element 7. At its upper end edge, the screening body 6 is accommodated in the top element 4 and its opposed, lower end edge is fastened to the bottom element 7.
  • the bottom element 7 is adapted to be electrically operated during operation of the screening arrangement 1, i.e. when moving the bottom element 7 and hence the screening body 6 between the non-screening position shown in Figs 1 and 3 and a screening position, in which the screening body 6 covers the frame aperture partly or fully.
  • the bottom element comprises an electric motor 710, cf. Fig. 3 .
  • the electric motor of a screening arrangement according to the invention may in principle also be arranged in the top element 4.
  • the screening arrangement according to the invention may in principle also be a manually operated screening arrangement.
  • the screening arrangement 1 comprises two side rails 8 and 9 adapted to be connected to a respective side piece 23 and 24 of the frame 2 by means of fastening elements, such as screws, and to the top element 4, e.g. by means of a snap or click connection or a plug and socket connection.
  • the screening arrangement comprises a roller blind having as its screening body 6 a cloth or fabric, and of which the top element 4 includes a spring-biased roller bar.
  • the term "screening body” is intended to encompass all feasible types of screening bodies, examples being blinds, curtains, awnings, roller shutters and shades.
  • the top element 4 has a left-hand side surface 414 and a right-hand side surface 415, each comprising a connection element 412 and 413, respectively, adapted for connection to the frame in a manner known per se.
  • the screening arrangement 1 comprises an electrical drive means.
  • the electrical drive means comprises an electric motor 710, a first transmission means 711, 712, 713 and at least one electrical connection device 714, 715 for providing electrical power to the motor 710.
  • the first transmission means 711, 712, 713 comprises a shaft 711 arranged such as to be rotatable by means of the electric motor 710 and gear wheels 712, 713 arranged at opposite ends of said shaft 711.
  • the electrical drive means comprises a second transmission means 810 and two electrical guides 811, 812 extending substatially in a longitudinal direction L of the side rail 8.
  • the electrical drive means comprises a second transmission means 910 and two electrical guides 911, 912 extending substatially in a longitudinal direction of the side rail 9.
  • the second transmission means comprises a rack 810, 910 extending in the longitudinal direction L of each of the side rails 8, 9.
  • first transmission means 711, 712, 713 and the second transmission means 810 are feasible.
  • the second transmission means may be a rail or a track
  • the first transmission means comprise wheel(s) adapted for being guided in or on the rail or track.
  • the first transmission means 711, 712, 713 and the second transmission means 810 are mounted in such a way with respect to each other that variations in the width of the frame, on which the screening arrangement 1 is mounted, may be absorbed or taken up.
  • one or both of the gear wheels 712 and 713 may be mounted in such a way as to be movable with respect to the shaft 711, and thereby in a direction perpendicular to the longitudinal extension of the racks 810 and 910, respectively.
  • the entire first transmission means 711, 712, 713 may be mounted in such a way as to be movable with respect to the remaining bottom element 7 in a direction parallel with the shaft 711, and thereby in a direction perpendicular to the longitudinal extension of the rack 810.
  • the gear wheel 712 is arranged such as to be displaceable with respect to the shaft 711 as the shaft 711 comprises a shaft segment 728 on which the gear wheel 712 is mounted and which is arranged such as to be telescopically displaceable within the shaft 711.
  • combinations of these alternatives are naturally feasible. Examples will be described with respect to Figs. 6a to 10 further below.
  • the two electrical connection devices 714, 715 of the bottom element 7 are adapted for, in the mounted position of the screening arrangement 1, being in electrical connection with the at least one electrical guide 811, 812 such that electrical power is provided to the motor 710.
  • the electrical connection devices 714, 715 are brushes arranged on a conductor, which in turn is connected electrically to the motor 710, either directly or by means of electrical wiring arranged in the bottom element 7.
  • other suitable types of electrical connection devices suitable for providing a continuous electrical connection during movement of the bottom element along the side rail, and thus of the electrical connection devices along the electrcal guides may be provided.
  • Non-limiting examples are a slide contact and a contact pin adapted for being guided in a track provided in the elctrical guide on the side rail.
  • Electrical power may be provided from the electrical outlet 25, 26 on the frame 2 to the the electrical guides 811, 812, and thereby further to the electrical connection devices 714, 715 and the electric motor 710, via electrical contact means (not shown) provided on at least one of the side rails 8, 9 or via electrical connection elements (not shown) provided on the top element 4 as described in the applicant's two co-pending applications filed on the same date as the current application.
  • the casing of the top element 4, the profiles 817, 818, 821 of the side rail 8 and the casing of the bottom element 7, are all preferably made of aluminium or a like leightweight and durable arrangement.
  • the parts of the screening arrangement conducting electric power, particularly the electrical guides 811, 812 and the electrical connection devices 714, 715, are therefore preferably arranged such as to be electrically insulated from the profiles 817, 818, 821 of the side rail 8 and the casing of the bottom element 7 and the top element 4, respectively.
  • the bottom element 7 comprises a biasing means (not shown) adapted for urging the electrical connection device 714, 715 against the electrical guide 811, 812.
  • the biasing means is preferably a suitable spring element which may be provided as a part of or in connection with the electrical connection devices 714, 715.
  • the biasing means may for example be a spring loaded hinge.
  • the biasing means may be a coil spring in a cylinder.
  • the biasing means may comprise be a support with a flexible portion e.g. a spring portion.
  • a similar electrical connection system is provided in the side rail 9 and the adjacent end of the bottom element 7 comprising the gear wheel 713.
  • the electrical connection system described above is provided in only one of the side rails and the adjacent end of the bottom element.
  • the bottom element 7 comprises, at the end comprising the gear wheel 712, a slide shoe 716 in which the electrical connection devices 714, 715 are arranged.
  • the slide shoe 716 is arranged on the bottom element 7 in such a way that, in a mounted position of the screening arrangement 1 on the frame 2 of the window, it is aligned or even fixed in relation to the side rail 8 and movable in relation to the bottom element 7.
  • the electrical connection devices 714, 715 may be mounted in or on the slide shoe 716 in any suitable way, examples being moulding, soldering, riveting, snap connection or frictional connection.
  • the slide shoe 716 is arranged on the bottom element 7 in such a way that it is movable, e.g. about a pivot axis, between a first position in which the electrical connection devices 714, 715 are in electrical contact with the electrical guides 811, 812 (cf. e.g. Figs. 4 , 11 and 12 ) and a second position in which the electrical connection devices 714, 715 are out of electrical contact with the electrical guides 811, 812 (not shown).
  • the biasing means adapted for urging the electrical connection device 714, 715 against the electrical guide 811, 812 may likewise be arranged in or on the slide shoe 716, e.g. as a suitable spring element affecting the pivot axis around which the slide shoe 716 is movable.
  • the slide shoe 716 may be manually operable by means of a handle element 721.
  • the slide shoe 716 may furthermore comprise a housing 720 (cf. Figs. 11 and 12 ) for protective purposes.
  • the handle element 721 preferably extends through an opening in the housing 720 as shown on Figs. 11 and 12 .
  • the sliding shoe may be automatically operable. For example a ramp on the side rail 8,9 may automatically lift and lower the shoe 716, so the electrical connection devices 714, 715 are connected to the electrical guides 811, 812 when the side rail 8,9 is inserted through the bottom element 7.
  • a ramp may compress the biasing means (not shown) and level the slide shoe 716 with the electrical guides 811, 812 when assembled with the side rail 8,9.
  • the slide shoe is mounted adjacent to the gear wheel as shown in the figures.
  • the slide shoe may be mounted in such a way that the shaft extends into the slide shoe, the gear wheel being arranged in the slide shoe, preferably in the housing of the slide shoe, or that the shaft extends through the slide shoe.
  • slide shoe 716 is an optional yet preferred feature of the screening arrangement, and that a similar slide shoe may be provided at the end of the bottom element 7 comprising the gear wheel 713.
  • the slide shoe 716 and/or the electrical connection devices 714, 715 may also, alternatively or in addition to the first transmission means 711, 712, 713 and the second transmission means 810 as described above, be mounted in such a way with respect to the bottom element 7 that smaller variations in the width of the frame on which the screening arrangement 1 is mounted may be absorbed or taken up.
  • the slide shoe 716 and/or the electrical connection devices 714, 715 may be mounted in such a way as to be movable in a direction substantially in parallel with the shaft 711, and thereby in a direction perpendicular to the longitudinal extension of the electrical guide 811, 812.
  • the side rail 8 comprises a longitudinal direction L, a width direction W and a depth direction D being mutually perpendicular.
  • the longitudinal direction LB of the bottom element 7 extends substantially in parallel with the width direction W of the side rail 8, 9 when the screening arrangement 1 is mounted on the frame 2.
  • the side rail 8 comprises, as mentioned above, a track 810 and two electrical guides 811, 812 extending parallel with each other in the longitudinal direction L.
  • the track 810 is sandwiched between two electrical guides 811, 812.
  • the track 810 is according to the invention arranged offset with respect to the electrical guides 811, 812 in the depth direction D.
  • the track 810 may be raised with respect to the at least one electrical guide 811, 812 or recessed with respect to the at least one electrical guide 811,812.
  • the track 810 is on the same surface/face as the electrical guides 811, 812.
  • the track 810 and the electrical guides 811, 812 may be provided on the inner profile 818, as explained later.
  • the electrical guides 811, 812 are integral parts of the track 810 or the electrical guides 811,812 are embedded in the track 810.
  • the track 810 may be made from polymer, which is suitable for silent and maintenance free gear transmission while also insulating the electrical guides 811, 812. Thereby a compact design is provided, because the track 810 also provides insulated electrical guides 811,812.
  • the side rail 8 further comprises a profile element, which is made, preferably extruded, moulded or cast, of a metal such as aluminium or of plastic.
  • the profile element comprises an outer profile 817, an inner profile 818 and a side profile 821.
  • the first transmission means being a rack 810, and the two electrical guides 811, 812 are mounted on the inner profile 818.
  • the outer profile 817 and the inner profile 818 form between them a guide slot 819 adapted to guide a protrusion, such as a flange 727, formed on the bottom element 7 such as to stabilize and guide the movement of the bottom element 7 on the side rail 8.
  • the side rail 8 may furthermore optionally comprise a bevelled or ramp-shaped end section 820 with the purpose of making it easier for the user to bring the bottom element 7 and the side rail 8 into engagement with each other.
  • the second transmission means 810, 910 may be seen as being in a neutral or non-offset postion with respect to the electrical guide(s) 811, 812; 911, 912 when a bottom surface of the second transmission means 810, 910, e.g. in case of a rack a surface opposite the row of teeth, is level with the electrical guide(s) 811,812;911,912.
  • Figs. 6a to 6c and 7a to 7c three embodiments are described in which the rack 810 is arranged raised with respect to the two electrical guides 811, 812 in the depth direction D.
  • the rack 810 and the two electrical guides 811, 812 are mounted on the inner profile 818 and the gear wheel 712 is arranged such as to be displaceable with respect to the shaft (not shown on Figs. 6a and 6b ) in the direction indicated by the arrow A.
  • the gear wheel 712 is situated in a vertical distance from the electrical guide 811 or 812 when it is displaced to a position above the electrical guide 811 or 812.
  • the rack 810 is mounted on the inner profile 818, whereas the two electrical guides 811, 812 are arranged in the guide slot 819 on a surface of the inner profile 818 opposite the rack 810 and on a surface of the outer profile 817, respectively.
  • the electrical connection devices 714, 715 are mounted on opposite surfaces of the flange 727, which extends into the guide slot 819 in the mounted position of the screening arrangement, such as to provide electrical power to the electric motor 710.
  • the flange 727 is arranged such as to be movable with respect to the guide slot in the direction indicated by the arrow B. To this end the flange 727 may e.g.
  • the gear wheel 712 is arranged such as to be displaceable with respect to the shaft (not shown on Fig. 6c ) in the direction indicated by the arrow A. It is noted that in embodiments where the bottom element 7 comprises a suspension element 718, the flange 727 may form part of the suspension element 718, e.g. of the protrusion member 722 described in connection with Fig. 13 below.
  • the rack 810 and the two electrical guides 811, 812 are mounted on the inner profile 818.
  • the gear wheel 712 and the shaft 711 are arranged such as to be displaceable together and with respect to the remaining parts of the bottom element 7 (not shown on Figs. 7a to 7c ) in the directions indicated by the arrow A in Figs. 7b and 7c .
  • the gear wheel 712 which is displaceable in the width direction W of the side rail, may be displaced beyond a side edge of the rack 810 while still remaining in engagement with the rack 810.
  • the raised rack 810 may be seen as guiding the gear wheel 712, which is displaceable in the width direction W of the side rail 8, in such a way as to allow the gear wheel 712 to be displaced beyond a side edge of the rack 810.
  • Figs. 8 to 10 two embodiments are described in which the rack 810 is arranged recessed with respect to the two electrical guides 811, 812 in the depth direction D.
  • the rack 810 and the two electrical guides 811, 812 are mounted on the inner profile 818 and the gear wheel 712 is arranged such as to be displaceable with respect to the shaft
  • the shaft 711 in this embodiment comprises a shaft segment 728 on which the gear wheel 712 is mounted and which is arranged such as to be telescopically displaceable within the shaft 711.
  • a shaft segment on which the gear wheel 712 is mounted and in which an end section of the shaft 711 is arranged such as to be telescopically displaceable within the shaft segment is of course also feasible.
  • the rack 810 and the two electrical guides 811, 812 are likewise mounted on the inner profile 818.
  • the gear wheel 712 is arranged in a slide shoe 716 such as to be displaceable together with the slide shoe 716 and with respect to the shaft 711 in the direction indicated by the arrow A in Fig. 10 .
  • This may be obtained by mounting the gear wheel 712 and the slide shoe 716 in a linked or integral manner and by mounting the gear wheel 712 and slide shoe 716 on the shaft in a displaceable manner or by means of a telescopic shaft as described in relation to Fig. 8 above.
  • the recessed rack 810 may be seen as guiding the respective gear wheel 712, 713, which is displaceable in the width direction W of the side rail, while the shaft 711 takes up variations in the distance between the two side rails 8, 9 as measured perpendicular to both side rails 8, 9.
  • first transmission means 711, 712, 713 and the second transmission means 810, 910 are arranged in such a way with respect to each other that variations in the width of the frame 2 on which the screening arrangement 1 is mounted may be absorbed.
  • the rack 910 and the electrical guides 911, 912 of the opposite side rail 9 as well as the gear wheel 713 arranged at the end of the shaft 711 opposite the gear wheel 712 are intended to be provided as identical to any one of the embodiments of the rack 810, the electrical guides 811, 812 and the gear wheel 712 as described above with repsect to Figs. 6a to 10 .
  • Combinations of the different embodiments are, however, also feasible.
  • the displaceable gear wheel from figure 8-10 may be combined with a separate sliding shoe 716 freely suspended and not linked to the gear wheel 712.
  • the slide shoe 716 may also be mounted on the bottom element 7 such as to be displaceable together with the gear wheel 712 as described above in relation to Fig. 10 .
  • the bottom element 7 furthermore comprises at each opposite end surface a suspension element 718 and 719, respectively (cf. also Fig. 3 ).
  • a suspension element is known per se and has been described in the applicant's WO 02/068786 A1 .
  • the suspesion elements 718, 719 serve the purpose of allowing the first transmission means 711, 712, 713 to be movable between a first position in which the first transmission means 711, 712, 713 and the second transmission means 810, 910 are in mutual engagement, and in which the screening arrangement 1 is thus electrically operable, and a second position in which the first transmission means 711, 712, 713 and the second transmission means 810, 910 are disengaged, whereby the screening arrangement 1 may be operated manually.
  • the suspension elements 718, 719 are therefore mounted on the bottom element 7 in such a way as to be movable between the said first and second positions, while the shaft 711 and the gear wheel 712, 713 are fixed in relation to the suspension elements 718, 719.
  • the suspension elements 718, 719 are biased towards the first position in which the first transmission means 711, 712, 713 and the second transmission means 810, 910 are in mutual engagement by means of a biasing element, e.g. the spring 723 shown in Fig. 13 , arranged in the bottom element 7.
  • a biasing element e.g. the spring 723 shown in Fig. 13 , arranged in the bottom element 7.
  • suspension elements 718, 719 may alternatively or in addition to the above serve the purpose of moving the electrical connection device 714, 715 between a first position in which the electrical connection device 714, 715 is in electrical connection with the electrical guide 811, 812 and a second position in which the electrical connection device 714, 715 is not in electrical connection with the electrical guide 811, 812; 911, 912.
  • the slide shoe 716 may be omitted or alternatively be made immobile in relation to suspension means 718 and/or the bottom element 7.
  • the suspension element 718 also absorbs physical variations in the height and/or width of the side rail(s).
  • the suspension element 718 comprises a protrusion member 722 connecting the suspesion element 718 to the bottom element 7 in a hinged manner allowing for the movability described above.
  • the protrusion member 722 is connected with a biasing element, shown as a spring 723, through a linking element 725 to apply a force to the suspension means biasing it towards the first position as described above.
  • the protrusion member 722 may in itself provide a recoiling action towards the first position as described above.
  • Various other embodiments of the suspension element and biasing element are also feasible.
  • suspension elements 718, 719 is an optional yet preferred feature of the screening arrangement according to the invention.
  • the spring 724 shown on Fig. 13 is connected to the slide shoe 716 via the connecting piece 726 and serves to limit the movement of the slide shoe 716, and thereby of the electrical connection device 714, 715, relative to the electrical guide 810 in the width direction W of the side rail 8. Thereby correct placement of the electrical connection device 714, 715 with respect to the electrical guide 810 is ensured. It is noted, however, that the spring 724 is an optional feature of the screening arrangement according to the invention.
  • a third embodiment of a screening arrangement according to the invention is shown, according to which the bottom element 7 comprises a biasing means 717 adapted for urging the electrical connection device 714, 715 against the electrical guide 811, 812.
  • the biasing means is in the embodiment shown a helical spring 717 arranged centrally in the housing 720 and in contact with the slide shoe 716 such as to provide an even biasing of the electrical connection device 714, 715 against the electrical guide 811, 812.
  • the biasing means may in principle be any suitable biasing means which may be provided as a part of or in connection with the housing 720, the slide shoe 716 and/or the electrical connection devices 714, 715.
  • the helical spring 717 is connected to an attachment means 729 forming a connection between the helical spring 717 and the housing 720.
  • the attachment means 729 comprises two abutment elements, here circumferential abutment surfaces 731, 732, for abutment on each side of an opening or slot 730 in the housing such as to form a sliding and/or frictional engagement or alternatively a snap-locking engagement between the attachment means 729 and the opening or slot 730 by sliding the attachment means into the opening or slot 730.
  • This embodiment provides for simple and straight-forward mounting of the biasing element and at the same time a robust and durable connection between the biasing element and the housing 720.
  • the helical spring 717 or biasing means may in principle be attached to the housing 720 or even the slide shoe 716 by any suitable type of attachment including but not limited to an adhesive, welding and integral formation, e.g. moulding, of the attachment means 729 and the housing 720 or slide shoe 716.
  • attachment means 729 may be omitted and the biasing means 717 may be connected directly to the housing 720 or the slide shoe 716.
  • the side rail 8 comprises at one or both ends a bevelled or ramp-shaped end section 820 with the purpose of making it easier for the user to bring the bottom element 7 and the side rail 8 into engagement with each other.
  • Fig. 15 shows the bevelled or ramp-shaped end section 820 at the bottom end of the side rail 8.
  • the slide shoe 716 may in such an embodiment be provided with bevelled or ramp-shaped sections 733, 734 and 735, 736, respectively, arranged on mutually opposite sides of the electrical connection devices 714, 715, respectively.
  • the bevelled or ramp-shaped sections 733, 734, 735, 736 are provided for sliding abutment with the bevelled or ramp-shaped end section 820, which may optionally be provided with guide sections 822, 823 for receiving and guiding the bevelled or ramp-shaped sections 733, 734, 735, 736, when bringing the the bottom element 7 and the side rail 8 into engagement with each other.
  • guide sections 822, 823 for receiving and guiding the bevelled or ramp-shaped sections 733, 734, 735, 736, when bringing the the bottom element 7 and the side rail 8 into engagement with each other.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Claims (15)

  1. Abschirmanordnung (1) für ein Fenster, vorzugsweise ein Dachfenster, das einen Rahmen (2) mit einem oberen Teil (21), einem unteren Teil (22) und zwei Seitenteilen (23, 24) aufweist, wobei die Abschirmanordnung (1) umfasst:
    ein unteres Element (7) und
    zwei seitliche Schienen (8, 9), die eine Längsrichtung (L) und eine Breitenrichtung (W) aufweisen,
    wobei das untere Element (7) beweglich in Bezug auf die zwei seitlichen Schienen (8, 9) zwischen einer ersten Nicht-Abschirmstellung und einer zweiten Abschirmstellung mittels eines Antriebsmittels ist, das
    ein erstes Übertragungsmittel (711, 712, 713), das in dem unteren Element (7) angeordnet ist, und
    ein zweites Antriebsmittel (810, 910) aufweist, das in jedem der zwei seitlichen Schienen (8, 9) angeordnet ist, um sich im Wesentlichen in der Längsrichtung (L) von wenigstens einer der seitlichen Schienen (8, 9) zu erstrecken, dadurch gekennzeichnet, dass
    wenigstens eine elektrische Führung (811, 812; 911, 912) in wenigstens einer der zwei seitlichen Schienen (8, 9) angeordnet ist, um sich im Wesentlichen in der Längsrichtung (L) von wenigstens einer der seitlichen Schienen (8, 9) zu erstrecken, und dass
    das zweite Übertragungsmittel (810, 910) versetzt in Bezug auf die wenigstens eine elektrische Führung (811, 812; 911, 912) in einer Tiefenrichtung (D), die sich im Wesentlichen senkrecht sowohl zu der Längsrichtung (L) als auch der Breitenrichtung (W) erstreckt, angeordnet ist.
  2. Abschirmanordnung nach Anspruch 1, dadurch gekennzeichnet, dass die seitlichen Schienen (8, 9) ferner ein äußeres Profil (817, 917) und ein inneres Profil (818, 918) aufweisen, wobei das zweite Übertragungsmittel (810, 910) und die wenigstens eine elektrische Führung (811, 812; 911, 912) an dem inneren Profil (818, 918) in einer solchen Weise angeordnet sind, dass das zweite Übertragungsmittel (810, 910) versetzt in Bezug auf die wenigstens eine elektrische Führung (811, 812; 911, 912) in einer Tiefenrichtung (D) angeordnet ist, die sich im Wesentlichen senkrecht sowohl zu der Längsrichtung (L) als auch der Breitenrichtung (W) erstreckt.
  3. Abschirmanordnung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass wenigstens eine der seitlichen Schienen zwei elektrische Führungen (811, 812; 911, 912) aufweist, die sich an jeder Seite des zweiten Übertragungsmittels (810, 910) erstrecken.
  4. Abschirmanordnung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das erste Übertragungsmittel (711, 712, 713) in dem unteren Element (7) in einer solchen Weise angeordnet ist, dass wenigstens ein Teil des ersten Übertragungsmittels (711, 712, 713) in einer Längsrichtung (LB) des unteren Elements (7) verlagerbar ist.
  5. Abschirmanordnung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das zweite Übertragungsmittel (810, 910) zurückgezogen in Bezug auf die wenigstens eine elektrische Führung (811, 812; 911, 912) in einer Tiefenrichtung (D) angeordnet ist, die sich im Wesentlichen senkrecht sowohl zu der Längsrichtung (L) als auch der Breitenrichtung (W) erstreckt.
  6. Abschirmanordnung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das zweite Übertragungsmittel (810, 910) hervorgehoben in Bezug auf die wenigstens eine elektrische Führung (811, 812; 911, 912) in einer Tiefenrichtung (D) angeordnet ist, die sich im Wesentlichen senkrecht sowohl zu der Längsrichtung (L) als auch der Breitenrichtung (W) erstreckt.
  7. Abschirmanordnung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das zweite Übertragungsmittel (810, 910) versetzt in Bezug auf die wenigstens eine elektrische Führung (811, 812; 911, 912) in einer Tiefenrichtung (D), die sich im Wesentlichen senkrecht sowohl zu der Längsrichtung (L) als auch der Breitenrichtung (W) erstreckt, um wenigstens 0,5 mm, bevorzugt um wenigstens 0,8 mm, weiter bevorzugt um wenigstens 1 mm, am meisten bevorzugt um wenigstens 1,2 mm, angeordnet ist.
  8. Abschirmanordnung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass eine untere Fläche (822) des zweiten Übertragungsmittels (810, 910) versetzt in Bezug auf die wenigstens eine elektrische Führung (811, 812; 911, 912) in einer Tiefenrichtung (D) angeordnet ist, die sich im Wesentlichen senkrecht sowohl zu der Längsrichtung (L) als auch der Breitenrichtung (W) erstreckt.
  9. Abschirmanordnung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass das Antriebsmittel ein elektrisches Antriebsmittel ist und dass das erste Übertragungsmittel einen Elektromotor (710) aufweist, der das Antriebsmittel antreibt und in dem unteren Element (7) angeordnet ist.
  10. Abschirmanordnung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das erste Übertragungsmittel eine drehbare Welle (711) und ein Zahnrad (712, 713) an gegenüberliegenden Enden der Welle (711) aufweist und dass das zweite Übertragungsmittel eine Zahnstange (810, 910) aufweist, die sich in der Längsrichtung von jeder der seitlichen Schienen (8, 9) erstreckt.
  11. Abschirmanordnung nach Anspruch 10, dadurch gekennzeichnet, dass das Zahnrad (712, 713) an der Welle (711) in einer solchen Weise angeordnet ist, dass es in einer Längsrichtung (LB) des unteren Elements (7) verlagerbar ist.
  12. Abschirmanordnung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass sie ferner wenigstens ein Halteelement (718, 719) aufweist, das an dem unteren Element (7) angeordnet ist, wobei das Halteelement (718, 719) angepasst ist, um dem ersten Übertragungsmittel (711, 712, 713) zu ermöglichen, zwischen einer ersten Position, in der das erste Übertragungsmittel (711, 712, 713) und das zweite Übertragungsmittel (810, 910) in gegenseitigem Eingriff sind, und einer zweiten Position beweglich zu sein, in der das erste Übertragungsmittel (711, 712, 713) und das zweite Übertragungsmittel (810, 910) voneinander gelöst sind.
  13. Abschirmanordnung nach einem der Ansprüche 2 bis 12, dadurch gekennzeichnet, dass das äußere Profil (817, 917) und das innere Profil (818, 918) so angeordnet sind, dass sie einen Führungsschlitz (819, 919) zwischen sich zum Führen des unteren Elements (7) bilden.
  14. Abschirmanordnung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass jede der seitlichen Schienen (8, 9) ferner einen geneigten Endabschnitt (820, 920) aufweist, der angepasst ist, das erste Übertragungsmittel (711, 712, 713) aufzunehmen und es in Eingriff mit dem zweiten Übertragungsmittel (811, 812, 813) zu führen, wenn das untere Element (7) mit den seitlichen Schienen (8, 9) verbunden wird.
  15. Abschirmanordnung nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass jede der seitlichen Schienen (8, 9) ferner einen Flansch (821, 921) aufweist.
EP13195303.6A 2012-12-03 2013-12-02 Abschirmvorrichtung für ein Fenster Active EP2738342B1 (de)

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DKPA201270748 2012-12-03

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EP2738342B1 true EP2738342B1 (de) 2015-09-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3492686A1 (de) 2016-06-15 2019-06-05 VKR Holding A/S Abschirmungsanordnung mit seitenschienen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5246053A (en) * 1985-09-25 1993-09-21 Nergeco Riser for a vertically-opening door
JP3709280B2 (ja) 1997-11-21 2005-10-26 文化シヤッター株式会社 建物用シャッタ
EP1370744B1 (de) 2001-02-28 2017-05-31 VKR Holding A/S Abschirmvorrichtung und antriebsmittel für die abschirmvorrichtung sowie verfahren zur manuellen betätigung der abschirmvorrichtung und halterung für die abschirmvorrichtung
FR2822887B1 (fr) * 2001-03-28 2004-01-30 Bubendorff Volet Roulant Volet roulant motorise a commande d'arret du moteur sur obstacle
DE202007009052U1 (de) * 2007-06-27 2007-08-23 Schmitz-Werke Gmbh + Co. Kg Fassadenmarkise

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3492686A1 (de) 2016-06-15 2019-06-05 VKR Holding A/S Abschirmungsanordnung mit seitenschienen

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