EP3779087B1 - Dachfenster - Google Patents

Dachfenster Download PDF

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Publication number
EP3779087B1
EP3779087B1 EP20155243.7A EP20155243A EP3779087B1 EP 3779087 B1 EP3779087 B1 EP 3779087B1 EP 20155243 A EP20155243 A EP 20155243A EP 3779087 B1 EP3779087 B1 EP 3779087B1
Authority
EP
European Patent Office
Prior art keywords
igu
leg
sash
side member
window
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
EP20155243.7A
Other languages
English (en)
French (fr)
Other versions
EP3779087A1 (de
Inventor
Jacob Bertram
Kristian Nitzsch Grønborg
Lars Kristensen
Iben Bjerre Østergaard
Rasmus Klercke Pedersen
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
Application filed by VKR Holding AS filed Critical VKR Holding AS
Priority to EP20155243.7A priority Critical patent/EP3779087B1/de
Publication of EP3779087A1 publication Critical patent/EP3779087A1/de
Application granted granted Critical
Publication of EP3779087B1 publication Critical patent/EP3779087B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/03—Sky-lights; Domes; Ventilating sky-lights
    • E04D13/033—Sky-lights; Domes; Ventilating sky-lights provided with means for controlling the light-transmission or the heat-reflection, (e.g. shields, reflectors, cleaning devices)
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/03—Sky-lights; Domes; Ventilating sky-lights
    • E04D13/0305—Supports or connecting means for sky-lights of flat or domed shape
    • E04D13/031—Supports or connecting means for sky-lights of flat or domed shape characterised by a frame for connection to an inclined roof
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/6617—Units comprising two or more parallel glass or like panes permanently secured together one of the panes being larger than another
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66314—Section members positioned at the edges of the glazing unit of tubular shape
    • 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
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
    • E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
    • E06B7/23—Plastic, sponge rubber, or like strips or tubes
    • E06B7/2305—Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging
    • 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
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
    • E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
    • E06B7/23—Plastic, sponge rubber, or like strips or tubes
    • E06B7/2305—Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging
    • E06B7/2307—Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging with a single sealing-line or -plane between the wing and the part co-operating with the wing
    • E06B7/231—Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging with a single sealing-line or -plane between the wing and the part co-operating with the wing with a solid sealing part

Definitions

  • the different legs may be shaped to accommodate the IGU in a compact manner. This may be achieved by a leg of the frame side member shaped to allow the IGU to extend as close to the frame side member as possible and still provide the necessary space above and around the IGU to facilitate opening thereof.
  • the secondary leg of the first frame side member forms a lining below the exposed interior major surface of the IGU.
  • the first sash side member may comprise a first leg which may be connected to a second leg, where the first or second leg may be connected to a third leg.
  • a leg of the sash side member may comprise a mounting surface for a hinge or the like to facilitate opening and closing of the skylight.
  • insulation insulation, insulating, insulation properties and “insulating properties” are to be understood in the sense of thermal insulation and thermal insulation properties and thermally insulating and insulating properties. However, other insulation may also be provided such as for example acoustic insulation.
  • skylight windows for inclined roofs are typically built into the roof structure.
  • the frame and sash i.e. most of the frame and sash structures, are embedded in the roof so that much, most or all of an outer surface of the frame facing away from the opening in the frame is positioned within the roof structure.
  • the inventors of the present invention have realized that in inclined skylight windows installed in this way the insulation properties of the frame and sash are to a large extent not decisive for the total heat loss through the window.
  • skylight windows where the frame and sash are positioned higher than the level of the roof i.e.
  • the IGU has multiple layers of glass which define a volume comprising an inert gas or aerogels or vacuum.
  • the IGU comprises two, three or more layers of glazing, i.e. layers of glazing positioned at a distance from each other to form one or more sealed spacings or cavities between them. This spacing may be filled with an inert gas or may hold a vacuum to improve insulation.
  • One or more of the layers of glazing may have a low emissivity coating or coating stack.
  • One or more of the layers of glazing may be laminated e.g. the interior layer of glazing.
  • One or more of the layers of glazing may be tempered.
  • the weather shield pane may be tempered.
  • the IGU may be see-through transparent to provide a view out.
  • the weather shield may be provided as a unitary structure, which is detachably attached to the to the sash.
  • the weather shield may be attached detachably to the sash, providing for access to clean the IGU; this may also be of advantage during installation of the skylight window, e.g. when positioning or attaching the window portion or when attaching roofing felt to cover a potential gap between the frame and the roof structure.
  • the weather shield may comprise a weather shield pane positioned on an exterior side of the IGU.
  • Respectively associated frame and sash side members are positioned to be substantially parallel to each other in both the open and closed positions of the skylight window.
  • One or more spacings may comprise a filler and/or an insulating and/or stiffening material or member, which may for example comprise or consist of wood and/or a foamed polymer material.
  • the plates of material may be extruded and may optionally be extruded as one or more separate elements for each frame or sash side member, which are subsequently attached to each other, and a filler material potentially being positioned in the core spacings afterwards.
  • the surrounding material may be moulded around a core of filler material. These structures may provide good strength and insulation properties and may be low-cost in manufacture.
  • the surrounding material or plates may comprise or substantially consist of metal, such as steel and/or aluminium.
  • An insignificant amount of a weight of the sash in the closed position of the window can be defined as less than 20, 10, 5, 3, 2 or 1 percent of a total weight of the sash the sash imposed by the first sash side member on the first frame side member. It is preferable that the only contact points between one, two, three or four of the sash side members to the associated frame side member are established by the abutment element(s) and potential sealing members, potentially a hinge and/or a chain drive for moving the sash.
  • the abutment element (s) may be of or comprise an elastic material and/or a plastic material and/or a sealing material. The abutment element may be deformed in the closed position of the skylight window.
  • first leg may be attached to or formed integrally with the second leg, and/or the second leg may be attached to or formed integrally with the third leg.
  • the direction away from said exposed interior major surface of the IGU, in which direction the third leg projects, may extend substantially in the height dimension and/or may extend downwards, i.e. towards an interior the building in an installed position of the skylight window.
  • first leg and/or second leg and/or third leg may be substantially shaped as a rectangle, e.g. outer surfaces of the individual leg form an overall rectangular shape.
  • first leg may be substantially shaped as a trapezoid or a trapezium, an outer surface of the first leg extending substantially along a surface of the first frame side member (e.g. along a surface of the primary leg of the first frame member, which may be similarly inclined, see further below) being inclined, e.g. with 1 to 10 or 2 to 5 degrees, with respect to the height dimension. This inclination may be towards the second leg and/or may be in an outward and upward direction.
  • An inward direction may generally in this specification be defined as a direction towards a centre of the IGU, and the outward direction may be a direction opposite to the inward direction, which directions extend in the width dimension.
  • the first frame side member may comprise a side surface extending substantially in parallel with the latter side surface of the first leg in the closed position of the window.
  • a surface of the first leg extending along another surface of the first frame side member e.g. along an upper surface or the step surface of the secondary leg of the first frame side member, see further below
  • a surface positioned opposite from the latter surface of the first leg may be substantially parallel to the latter surface of the first leg in the closed position of the window.
  • the fourth and second legs may extend substantially in parallel.
  • One or more sealing members may be provided at a corner formed between the fourth and first legs, these sealing members abutting the first frame side member in the closed position of the skylight window.
  • a sealing element may be attached to the fourth leg or to the first frame side member, the sealing element preferably covering an outwardly facing potential gap or a slot between the fourth leg and the first frame side member in the closed position of the skylight window.
  • the IGU extends from an inner edge of the third leg towards the first leg in the width dimension to farther than half of an accumulated width of the first, second and third legs.
  • the first frame side member comprises a primary leg with a surface extending next to and along a side surface of said first leg of the first sash side member, said side surface of said first leg facing substantially away from said first peripheral side of the IGU, and a secondary leg extending along a surface of said second leg of said first sash side member, which surface faces substantially away from said interior major surface of the IGU.
  • the cross-sectional shape of the first frame side member and the first sash side member may have a stepped profile, where the frame side member may comprise primary, secondary, tertiary or more legs where each leg may be substantially perpendicular to an immediately preceding leg and the immediately following leg, such that a step like structure is formed.
  • the first sash side member may comprise a first, second, third or more legs, where each leg may be substantially perpendicular to an immediately preceding leg and the immediately following leg, such that a step like structure is formed.
  • the tertiary leg may be substantially plate-shaped or have a flat shape so that an upper surface thereof forms a further step surface similar to and potentially extending substantially in parallel with the step surfaces of the primary and secondary legs. This step surface may be positioned beneath the abutment element explained further below.
  • the tertiary leg In a cross-section perpendicular to the length dimension or to the longitudinal direction the tertiary leg may be substantially shaped as a rectangle. However, the tertiary leg may be substantially shaped as a trapezoid or a trapezium, an inwardly facing surface of the tertiary leg being inclined, e.g. with 1 to 10 or 2 to 5 degrees, with respect to the height dimension. This inclination may be in the inward and/or the upward direction.
  • the tertiary leg may further comprise a first lateral side surface facing and/or being attached to the secondary leg and potentially extend substantially in the height dimension and an opposite side surface that may face in the inward direction, the latter being the surface that may be inclined in relation to the height dimension.
  • the resting surface or an upper surface of the tertiary leg may extend substantially in the width dimension and may connect the two lateral side surfaces thereof.
  • the abutment element may extend along substantially a total length of the first frame and/or sash frame side members and/or substantially along a total length of the third leg and or said lower surface of the third leg, these lengths being in the length dimension.
  • a similar abutment element may be provided in a similar manner on or forming part of one, two or three of the remaining frame and/or sash side members.
  • abutment elements with inclined surfaces in the manner described will help positioning and centering of the sash within the frame during closing of the skylight window.
  • two or more of the four respective frame and sash side members may be similar or substantially identical to each other. This makes it cheaper to produce and may allow for optimal movement and positioning of the sash during opening and closing of the skylight window. Also, safe sealing may be provided between the sash and frame, simple mounting may be achieved and the structural properties of the frame and/or sash are the same on all sides of the skylight window.
  • the third leg which is typically the only or the most visible element of the first sash side member when seen from inside the building, may be at least partly or completely hidden when seen from inside the building in an installed position of the window.
  • the skylight window is installed in or on an inclined roof of a building to cover a roof opening of the roof, said exposed interior major surface of the IGU facing an interior of the building.
  • the skylight window may be positioned so that a major part of or the entire frame and/or the entire sash are positioned above an upper roof surface level.
  • the skylight window comprises a second protrusion next to the lining panel protrusion such that a recess for receiving a reveal panel or lining panel to be installed, is formed between the protrusions.
  • said secondary leg having an interior surface facing in a direction away from the interior major surface of the IGU, which interior surface comprises a recess for receiving an upper part of a reveal panel or lining panel in said installed position of the skylight window, said recess comprising a first surface for abutting an inwardly facing interior surface of said reveal panel or lining panel when received in said recess, where said first peripheral side of the IGU is located, in said outward direction, beyond said first surface of said recess.
  • a transparent central area of the IGU extends, in said outward direction, beyond said first surface of said lining panel protrusion.
  • the IGU is typically the best insulating component of a skylight window, this improves the insulation properties of the skylight.
  • said first leg extends next to said outwardly facing surface of said first peripheral side of the IGU, and wherein the primary leg in said closed position extends next to and along an outwardly facing surface of said first leg.
  • the first leg is positioned between the outwardly facing surface of said first peripheral side of the IGU and the primary leg.
  • Said outwardly facing surface of said first peripheral side of the IGU may extend substantially in the upward direction.
  • additional legs may allow the physical properties of the different legs to be tailored to their specific purpose, which may be to support the IGU, provide an abutment surface, provide a mounting surface, support a weather shield etc.
  • a leg may be provided with a higher strength and/or stiffness and/or smaller or larger size compared to other legs.
  • a leg provided to aid the sealing and/or positioning of the sash and IGU may be provided with grooves or the like adapted to accommodate sealing and/or abutment elements.
  • said primary leg extends at least 5, 10, 15, 20, 30, 40, 50, 70, 90, or 100 percent of a distance between said exterior and interior major surface of the IGUs in said upward direction from said exterior major surface of the IGU.
  • Said outwardly facing surface of said first peripheral side of the IGU may extend substantially in the upward direction.
  • said first leg does not extend to cover any part of said exterior major surface of said IGU.
  • said first sash side member further has a third leg projecting from an upper end of said first leg and extending in said outward direction and, optionally, a fourth leg projecting from said third leg and extending substantially in said upward direction and, optionally, a fifth leg projecting from said fourth leg substantially in said outward direction.
  • additional legs may allow the physical properties of the different legs to be tailored to their specific purpose, which may be to support the IGU, provide an abutment surface, provide a mounting surface, support a weather shield etc.
  • a leg may be provided with a higher strength and/or stiffness and/or smaller or larger size compared to other legs.
  • a leg provided to aid the sealing and/or positioning of the sash and IGU may be provided with grooves or the like adapted to accommodate sealing and/or abutment elements.
  • the weather shield may be attached to said fifth leg.
  • the primary leg positioned below said interior major surface of the IGU may also provide a surface for the IGU and/or sash to seal against. To this end the primary leg may comprise one or more sealing elements.
  • the insulating member may be positioned in a corner of e.g. approximately 90 degrees formed between the primary and secondary legs.
  • the skylight window is installed potentially in or on a flat or inclined roof of a building to cover a roof opening of the roof, said interior major surface of the IGU facing an interior of the building.
  • said first sash side member includes a supporting section which is adhered to said exposed exterior major surface of the IGU.
  • Less material along the exposed interior major surface and a peripheral side of the IGU may allow the IGU to be positioned deeper or lower in the window structure, as well as closer to the window frame, which may improve the insulating properties of the skylight as the relative area of the IGU may be increased.
  • An increase in relative area of the IGU may further improve light inflow and view through the skylight. This also reduces the area of sash, and so the likelihood of thermal bridges through which heat energy can escape (or enter) from the interior of the building.
  • the adherence between the IGU and the supporting section may be the only point of contact between the IGU and the supporting section. Additionally, the adherence between the IGU and the supporting section may be the only point of contact between the IGU and the first sash side member.
  • the supporting section carries the IGU in said open position of the skylight window.
  • the adhesive is provided by means of adhesive tape. This may improve the ease of assembly of the skylight as the adhesive tape may be provided in pre-applied state, where a covering strip or the like simply has to be removed from the adhesive tape, when the supporting section is to be attached to the IGU.
  • the safety device may be provided as a safety clip.
  • the safety device may be mechanically attached to the first sash side member.
  • the first sash side member comprises a first leg, said first leg extending only above the exposed exterior major surface of the IGU, where said first leg may be connected to a second leg.
  • the skylight window may further comprise a motor-driven actuator comprising an elongated lifting element connecting the frame and the sash for moving the sash between the open position and the closed position, said elongated lifting element having a top end and a first position in which the skylight window is in the closed position and a second position in which the skylight window is in the open position.
  • the top end of the elongated lifting element may abut or be attached to the sash.
  • the motor-driven actuator may be positioned between the IGU and the frame in a direction parallel with the exposed interior major surface of the IGU in the closed position of the skylight window.
  • the chain actuator may comprise a push-pull chain which can extend and retract to open and close the skylight window.
  • a chain may be referred to as a trust chain as it may transmit a push force.
  • the chain may be driven by an electric motor.
  • a reduction gear may be provided.
  • the reduction gear may comprise a worm and/or multiple gear drive.
  • a final sprocket gear may engage the chain.
  • a spindle may be used to drive the chain.
  • the chain actuator may fold the chain when the chain is retracted and stored.
  • the chain may be stored to substantially extend in a storing direction or such that one or more lengths of the chain extend substantially in a storing direction.
  • the chain extending to open the skylight window may extend substantially perpendicularly to the storing direction.
  • the storing direction may be the same as the longitudinal direction, in which case the chain may be stored to substantially extend in the longitudinal direction along a frame side member. This may provide a compact solution.
  • a holding element for holding said interior surface of the supporting section in contact with the exposed exterior major surface of the IGU until the adhesive has cured, may be provided.
  • This may be in the form of a different adhesive such as an adhesive tape, suction cups, clamps etc.
  • the holding element adhesive may be a fast curing adhesive which cures faster than the adhesive securing the supporting section to the exposed exterior major surface of the IGU.
  • Fig. 1 shows an embodiment of a skylight window 1 according to the present invention installed or positioned substantially horizontally in a flat roof 2 of a building and covering an opening in the roof.
  • the skylight window 1 comprises a weather shield 3 and a window portion 4, which includes a transparent insulting glazing unit 5, abbreviated IGU, a sash 6 supporting the IGU 5, and a frame 7.
  • the weather shield 3 comprises a transparent weather shield pane 8 and a skirt 9, which cover the sash and the IGU.
  • the frame 7 comprises four frame side members of which two 10, 11 are visible in Fig. 1 , and one 10 is visible in Figs 2-4 .
  • Each frame side member is associated with one of four corresponding sash side members of which one 14 is visible in Figs 2-4 .
  • the frame side member 10 is associated with the sash side member 14 and both extend a longitudinal direction L along a first peripheral side 5a of the IGU 5.
  • the four frame side members form a substantially rectangular shape and, similarly, the four sash side members form a substantially rectangular shape.
  • each frame side member is positioned at an outer side of a respective associated one of the four sash side members, i.e. on the side facing away from the IGU, so that the sash fits into the frame and the frame 7 encloses the sash 6 in the closed position of the skylight window 1.
  • the sealing element 22 is positioned below the first sash side member 22.
  • an angle between the first 15 and second 16 legs and between the second and third legs 17 is substantially 90 degrees, respectively.
  • the inner or distal end 16b of the second leg 16 is positioned oppositely from an outer or proximal end 16e of the second leg 16, said outer end 16e being connected to the first leg 15 at a location from which the second leg 16 projects.
  • the weather shield 3 is here provided as a unitary structure, which is separate from but connected to the window portion 4, specifically to the sash 6 so as to move together with the sash 6 during the opening and closing movement thereof.
  • the weather shield 3 is mounted on the window portion 4 for covering and weather protecting the window portion 4 in the installed state of the skylight window 1.
  • the weather shield pane 8 is curved towards the exterior, i.e. upwardly in Fig. 1 , in relation to the window portion 4. In other embodiments, a flat pane may be used to for the weather shield 3 as seen in Fig. 2 .
  • the weather shield pane 8 is transparent and here comprises only one single layer of glazing made for example of hardened glass.
  • the skylight window 1 is here provided with a curb flange 40 that can be attached and detached to suit the given installation scenario, such as installation in a flat or inclined roof, or installation of two or more skylight windows 1 closely adjacent to each other in which case there may not be room for the curb flange.
  • the outer side of first frame side member is a substantially planar outer surface.
  • the planar outer surface is suitable for attaching or abutting attachments, such as the curb flange shown in Fig. 2 .
  • the planar outer surface is perpendicular to the interior side 10a.
  • a part of the sealing element 22 extends above and within a periphery of the recess 10b in the height direction.
  • the second leg 16 may comprise the only supporting point of the sash side member 14, which rests on the frame 7 in the closed position of the skylight window 1.
  • corresponding second legs of the remaining three sash side members each may comprise only one supporting point for the respective sash side member on the frame 4 in the closed position of the skylight window 1, except for the contact provided by the hinges or an abutment element.
  • the IGU 5 has a rectangular shape and has further second to fourth peripheral sides that each extends along a corresponding respective sash and frame side member in a similar manner as described above for the sash side member 14.
  • the first leg 15 comprises on the surface 15b three grooves 28, 29, 80 the first groove 28 being positioned at a first distance from the interior IGU plane, the second groove 29 being positioned at a second, smaller distance from the interior major surface of the IGU, while the third groove 80 being positioned at a third, smaller distance from the interior major surface of the IGU.
  • the first, second and third grooves 28, 29, 80 are adapted for receiving the fixation member 30, which can be attached to or snap-locked to either one of the two grooves 28, 29, 80 abutting the exterior major surface of the IGU 5 so as to hold the IGU 5 along said first peripheral side 5a thereof, especially in the upward direction.
  • the fixation member 30 is positioned in the groove 80 in the shown embodiment.
  • a chain drive or the like may be provided connecting the sash 6 and frame 7 for assisting in opening and closing the skylight window 1.
  • the fourth leg 31 has an oblong shape in the width dimension and extends more than 4 times longer in the width dimension than in the height dimension.
  • the extent in the length dimension of the fourth leg 31 is substantially equal to about equal to or somewhat longer than the extent of the first peripheral side 5a of the window pane 5 in the length dimension.
  • the fourth and second legs 31, 16 extend or project substantially in parallel.
  • a fixation member 39 is attached to the first sash side member 14 and extending towards the second sash side member.
  • the fixation member 39 contributes to retaining a top casing of the screening device 34 by preventing it from moving upwards, away from the exterior major surface 5g of the IGU.
  • the first frame side member comprises a lining panel recess 10b for receiving a lining panel (not shown).

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Claims (15)

  1. Dachfenster (1) zum Einbau in ein Dach eines Gebäudes, wobei das Dachfenster (1) Folgendes umfasst:
    einen Fensterrahmen (7), der vier Rahmenseitenelemente aufweist,
    einen Fensterflügel (6), der vier Flügelseitenelemente aufweist, die eine Mehrscheibenisolierglaseinheit (5), kurz MIG, tragen, die mehrere Glasschichten (5c, 5d, 5e) aufweist, wobei der Fensterflügel (6) in Bezug zum Fensterrahmen (7) zwischen einer geöffneten und einer geschlossenen Stellung des Dachfensters beweglich ist und einen Wetterschutz (3), der am Flügel (6) befestigt ist, um einen Fensterabschnitt (4) des Dachfensters zu schützen, wobei der Fensterabschnitt (4) den Flügel, den Rahmen und die MIG umfasst,
    wobei jedes Rahmenseitenelement einem jeweiligen Flügelseitenelement zugeordnet ist, wobei sich die Rahmen- und Flügelseitenelemente jeweils in eine jeweilige Längsrichtung im Wesentlichen parallel zu einer jeweiligen Umfangsseite der MIG erstrecken,
    wobei die MIG (5) eine freiliegende innere Hauptfläche (5b) aufweist, die in der eingebauten Stellung des Dachfensters dem Inneren des Gebäudes zugewandt ist, wobei sich die innere Hauptfläche (5b) von der Mitte der MIG weg auswärts erstreckt, wobei sich eine Einwärtsrichtung der Auswärtsrichtung entgegengesetzt erstreckt,
    wobei die MIG (5) ebenfalls eine freiliegende äußere Hauptfläche (5g) aufweist, die einer Auswärtsrichtung zugewandt ist, die in der eingebauten Stellung des Dachfensters dem Inneren des Gebäudes entgegengesetzt ist und sich von der äußeren Hauptfläche der MIG weg und in einem rechten Winkel dazu erstreckt, wobei sich die äußere Hauptfläche (5g) in Auswärtsrichtung erstreckt,
    wobei sich der Wetterschutz (3) im Wesentlichen über die gesamte freiliegende äußere Hauptfläche (5g) erstreckt,
    wobei die Rahmenseitenelemente mindestens ein Dichtungselement (22) umfassen,
    wobei ein erstes Rahmenseitenelement (10) einen primären Schenkel (25), der sich in der geschlossenen Stellung in Längsrichtung und in Auswärtsrichtung im Wesentlichen parallel zu einer ersten Umfangsseite (5a) der MIG (5) entlang einer nach außen gewandten Fläche der MIG erstreckt, und einen sekundären Schenkel (26), der sich in der geschlossenen Stellung entlang eines Teils der freiliegenden inneren Hauptfläche (5b) der MIG und im Wesentlichen parallel zur inneren Hauptfläche (5b) der MIG erstreckt, umfasst,
    wobei das mindestens eine Dichtungselement (22) am sekundären Schenkel (26) des ersten Rahmenseitenelements vorgesehen ist,
    dadurch gekennzeichnet, dass die freiliegende innere Hauptfläche (5b) der MIG (5) in der geschlossenen Stellung des Dachfensters an dem mindestens einen Dichtungselement (22) anschlägt.
  2. Dachfenster nach Anspruch 1, wobei ein Umfang der freiliegenden inneren Hauptfläche (5b) der MIG (5) in der geschlossenen Stellung des Dachfensters an dem Dichtungselement (22) anschlägt.
  3. Dachfenster (1) nach einem der vorstehenden Ansprüche, wobei das mindestens eine Dichtungselement (22) auf einer Außenfläche des sekundären Schenkels (26) des ersten Rahmenseitenelements (10) der Auswärtsrichtung zugewandt vorgesehen ist.
  4. Dachfenster nach einem der vorstehenden Ansprüche, wobei ein erstes Flügelseitenelement und/oder ein erstes Rahmenseitenelement ein abgestuftes Profil aufweist.
  5. Dachfenster nach einem der vorstehenden Ansprüche, wobei der Flügel (6) mindestens ein Anschlagelement umfasst, um zu verhindern, dass das mindestens eine Dichtungselement (22) eine erhebliche Last trägt, und/oder um zu verhindern, dass das mindestens eine Dichtungselement (22) beschädigt wird.
  6. Dachfenster nach einem der vorstehenden Ansprüche, wobei das mindestens eine Dichtungselement (22) auf einer Deckfläche eines Rahmenseitenelements positioniert ist, wobei die Deckfläche in einer geschlossenen Stellung des Dachfensters der freiliegenden inneren Hauptfläche (5b) der MIG (5) zugewandt ist.
  7. Dachfenster nach einem der vorstehenden Ansprüche, wobei der Wetterschutz (3) eine transparente oder lichtdurchlässige Wetterschutzscheibe (8) umfasst.
  8. Dachfenster nach einem der vorstehenden Ansprüche, wobei der äußere Wetterschutz (3) eine Wetterschutzscheibe (8) umfasst, die am Fensterrahmen (7) befestigt ist, um einen Fensterabschnitt (4) des Dachfensters zu schützen, wobei der Fensterabschnitt (4) den Rahmen, den Flügel und die MIG umfasst.
  9. Dachfenster nach einem der vorstehenden Ansprüche, wobei der sekundäre Schenkel (26) eine Innenfläche aufweist, die von der inneren Hauptfläche (5b) der MIG abgewandt ist, wobei die Innenfläche einen Verkleidungsplattenvorsprung (10e) umfasst, der in Höhenrichtung niedriger als die freiliegende innere Hauptfläche (5b) der MIG (5) angeordnet ist,
    wobei der Verkleidungsplattenvorsprung (10e) von der MIG weg vorsteht, wobei der Verkleidungsplattenvorsprung (10e) eine erste Fläche (10c) umfasst, um bei der Aufnahme durch den Vorsprung an eine nach innen gewandte Fläche der Laibungsplatte oder Verkleidungsplatte (50) anzuschlagen,
    wobei die erste Umfangsseite (5a) der MIG in Auswärtsrichtung über die erste Fläche (10c) des Vorsprungs hinaus angeordnet ist.
  10. Dachfenster nach Anspruch 9, wobei das Dachfenster ebenfalls einen zweiten Vorsprung neben dem ersten Vorsprung (10e) umfasst, um eine Vertiefung (10b) zur Aufnahme einer einzubauenden Verkleidungsplatte zu erzeugen.
  11. Dachfenster nach Anspruch 10, wobei sich zumindest ein Teil des Dichtungselements (22) in Höhenrichtung oberhalb von und innerhalb eines Umfangs der Vertiefung (10b) erstreckt.
  12. Dachfenster nach einem der Ansprüche 9 bis 11, wobei das Dichtungselement (22) in Einwärtsrichtung an der ersten Fläche (10c) des Verkleidungsplattenvorsprungs oder darüber hinaus positioniert ist.
  13. Dachfenster nach einem der vorstehenden Ansprüche zum Einbau in ein Dach eines Gebäudes, das Dachfenster, wobei
    sich der primäre Schenkel (25) in der geschlossenen Stellung des Dachfensters in Aufwärtsrichtung zu einem Punkt der äußeren Hauptfläche (5g) der MIG oder weiter erstreckt.
  14. Dachfenster nach einem der vorstehenden Ansprüche, wobei das erste Flügelseitenelement einen ersten Schenkel (15) aufweist, der mit einem Tragabschnitt (72) des die MIG tragenden ersten Flügelseitenelements verbunden ist, wobei sich der erste Schenkel (15) in die Längsrichtung erstreckt und sich im Wesentlichen in eine Höhenrichtung im Wesentlichen senkrecht zu mindestens einer der Hauptflächen der MIG erstreckt, wobei der erste Schenkel (15) eine Stärke in Breitenrichtung aufweist, die sich senkrecht zur Längen- und Höhenrichtung erstreckt, wobei mindestens ein Abschnitt des ersten Schenkels (15) des ersten Flügelseitenelements im Allgemeinen plattenförmig ist und aus einem einzelnen Abschnitt aus im Wesentlichen festem Material besteht, das eine Stärke aufweist, die kleiner als 1 cm ist.
  15. Dachfenster nach einem der vorstehenden Ansprüche, wobei das Dichtungselement auf (22) in der geschlossenen Stellung des Dachfensters in Höhenrichtung an einer Position des Flügels (6) oder niedriger positioniert ist.
EP20155243.7A 2020-02-03 2020-02-03 Dachfenster Active EP3779087B1 (de)

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EP20155243.7A EP3779087B1 (de) 2020-02-03 2020-02-03 Dachfenster

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4972638A (en) * 1989-04-21 1990-11-27 Rolscreen Company Skylight flashing
CN1231648C (zh) * 2001-01-19 2005-12-14 Vkr控股公司 屋顶窗组件和部件
WO2009080026A1 (en) 2007-12-20 2009-07-02 Vkr Holding A/S A weather shield and use of it for a skylight window
GB2514119B (en) * 2013-05-13 2016-09-07 Glazing Vision Ltd Rooflight assembly
GB2550968B (en) 2016-06-03 2019-04-03 John Boyle Timothy Sealing adaptor for windows and or panels in a roof
ES2661056B1 (es) 2016-09-19 2018-10-17 Francisco Zósimo BERLANA MARTIN Claraboya
EP3346071B1 (de) * 2017-01-06 2021-03-10 VKR Holding A/S Fensteranordnung
PL231795B1 (pl) 2017-01-13 2019-04-30 Fakro Pp Spolka Z Ograniczona Odpowiedzialnoscia Okno dachowe, zwłaszcza dla dachów płaskich

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