EP3714125B1 - Fenêtre de toit avec un cadre principal et au moins un cadre secondaire, procédé d'installation d'une telle fenêtre de toit et procédé de démontage d'un cadre secondaire de la fenêtre de toit - Google Patents

Fenêtre de toit avec un cadre principal et au moins un cadre secondaire, procédé d'installation d'une telle fenêtre de toit et procédé de démontage d'un cadre secondaire de la fenêtre de toit Download PDF

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Publication number
EP3714125B1
EP3714125B1 EP18812050.5A EP18812050A EP3714125B1 EP 3714125 B1 EP3714125 B1 EP 3714125B1 EP 18812050 A EP18812050 A EP 18812050A EP 3714125 B1 EP3714125 B1 EP 3714125B1
Authority
EP
European Patent Office
Prior art keywords
roof window
sledge
coupling
frame
coupling member
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
EP18812050.5A
Other languages
German (de)
English (en)
Other versions
EP3714125A1 (fr
Inventor
Lasse Vinther Hede
Jesper Ryberg
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 EP21194788.2A priority Critical patent/EP3936693A1/fr
Priority to PL18812050T priority patent/PL3714125T3/pl
Publication of EP3714125A1 publication Critical patent/EP3714125A1/fr
Application granted granted Critical
Publication of EP3714125B1 publication Critical patent/EP3714125B1/fr
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
    • E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
    • 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
    • E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
    • E04D13/0351—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts pivoting about a fixed axis
    • E04D13/0354—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts pivoting about a fixed axis the parts being flat
    • 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
    • E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
    • E04D13/0357—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts pivoting about an axis supported on a hinged frame or arms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/40—Suspension arrangements for wings supported on arms movable in vertical planes
    • E05D15/406—Suspension arrangements for wings supported on arms movable in vertical planes with pivoted arms and sliding guides
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/1041—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis
    • E05F1/105—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a compression spring
    • E05F1/1058—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a compression spring for counterbalancing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/1041—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis
    • E05F1/1066—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a traction spring
    • E05F1/1075—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a traction spring for counterbalancing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/214—Disengaging means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/404—Function thereof
    • E05Y2201/41—Function thereof for closing
    • E05Y2201/414—Function thereof for closing for the initial closing movement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/47—Springs
    • E05Y2201/488—Traction springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/50—Mounting methods; Positioning
    • E05Y2600/52—Toolless
    • E05Y2600/522—Axial stacking
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/50—Mounting methods; Positioning
    • E05Y2600/52—Toolless
    • E05Y2600/528—Hooking, e.g. using bayonets; Locking
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/148—Windows
    • E05Y2900/152—Roof windows

Definitions

  • the present invention relates to a roof window, particularly for installation in an inclined roof surface, comprising a primary frame, at least one secondary frame, such as a sash and/or an intermediate frame, and a lifting device including a lifting arm inserted between the primary frame and the at least one secondary frame, the lifting arm having a first end rotatably connected with a sledge system slidably connected with the primary frame in a sledge guidance and a second end rotatably connected with the at least one secondary frame, the lifting device furthermore including a spring assembly configured to be coupled to the sledge system and to the first end of the lifting arm by means of a coupling mechanism, such that the spring assembly is able to assume an uncoupled condition and a coupled condition relative to the sledge system the coupling mechanism comprising a first coupling member associated with the spring assembly and adapted to cooperate with a second coupling member associated with the sledge system, and the first coupling member including a hook element and the second coupling member includes receiving means formed in the sledge system
  • Windows for installation in an inclined roof surface include the pivoting type hinged at or near the centre, the top-hinged type, and finally the roof windows that are top-hinged during normal operation but which pivot for cleaning.
  • Examples of top-hung windows that pivot for cleaning are for instance disclosed in Applicant's WO-A-89/10460 , EP 0 733 146 B1 , EP 1 873 323 B1 and EP 2 762 665 A2 .
  • the sash structure is connected with an intermediate frame with frame arms, which in the closed position of the window are positioned between the upper parts of the frame and sash side members, and which during normal use of the window as a top-hung window follow the sash side members.
  • Coupling and uncoupling of the spring assembly of such a window is known from e.g. EP 0 081 333 B1 , wherein one end of the sash lifting-lever presents at least two pivot points having different distances from the pivot point at the other end of the lever, and being located to successively becoming operative during the opening of the window and successively increasing the effective length of the lever.
  • Another disclosure is found in WO 89/010460 A1 , wherein a slide shoe and a pre-stressed spring provided with coupling means adapted to be brought into engagement with each other during the installation of the window is described.
  • Said coupling means include a tie rod connected on one end to said spring and to a coupling element on its other end.
  • the coupling element engages a receiving recess in the sliding shoe by means of a traverse pin.
  • This window requires the installer to lift the entire weight of the sash with one hand while the other hand is placed in a potentially dangerous position between sash and frame during installation and dismantlement.
  • window sashes are progressively gaining in weight as modern sashes include additional elements offering a greater range of functionalities, and better insulation properties require greater amount of materials being included in the construction of frames, panes and sashes.
  • the hook element of the first coupling member has at least one hook portion facing the sledge system. This is advantageous from in particular an installation point of view.
  • the hook element of the first coupling member is arranged to slidably contact the sledge system in one direction and to engage said second coupling member in another direction. In addition to being simple in installation and dismantling, this also provides for a logical operation.
  • a method for installing a roof window is provided.
  • a method for dismantling a secondary frame of the roof window is provided.
  • FIG. 1 the general configuration of a roof window which is top-hinged during normal operation and which pivots for cleaning is shown. Such a window is shown and described in further detail in Applicant's above-mentioned European patent No. 0 733 146 B1 , the contents of which are hereby incorporated by reference.
  • a lifting device 10 is indicated, which, referring now also to Fig. 2 to 9a , forms part of a first embodiment of the roof window according to the present invention.
  • the roof window comprises a primary frame in the form of a stationary frame 1 configured for installation in an inclined roof surface.
  • At least one secondary frame is connected to the stationary frame 1, in the embodiment shown a first secondary frame in the form of a sash 2 carrying a pane 4, and a second secondary frame in the form of an intermediate frame 3.
  • the intermediate frame 3 is fastened to the stationary frame at a top mounting fitting 5, and the sash 2 is hinged at the top of the roof window, via the intermediate frame 3 to the stationary frame 1, to render the roof window top-hung during normal operation.
  • the sash 2 is also pivotally connected to the intermediate frame 3 in order to be able to rotate the sash 2 to provide access to the outside of the pane 4, for instance for cleaning purposes.
  • the intermediate frame 3 is provided with a frame hinge part 6 of pivot hinge fitting.
  • a lifting device 10 is composed of a spring arrangement 20 and a sledge system 30 which cooperate to assist in the opening of the window, that is, bringing the secondary frame or frames to an angled position relative to the primary frame.
  • the user operates the operating device of the window in the form of a handle 7 at the bottom member of the sash 2.
  • the bias of the spring arrangement 20 of the lifting device 10 acts on a lifting arm 14 inserted between the stationary frame 1 and the intermediate frame 3.
  • the lifting arm 14 exerts a moment on the intermediate frame 3 and hence to the sash relative to an axis through a top hinge pin 11.
  • Closing the window from the open position entails the opposite movements of the sash 2 and relevant parts of the lifting device 10.
  • a similar lifting device may be provided at each side of the roof window.
  • the roof window is provided with a ventilation device 8 acting to allow passage of air also in the closed position of the window.
  • the lifting arm 14 has a first end 12 rotatably connected with a sledge system 30, which in turn is slidably connected with the primary frame 1 in a sledge guidance 16, and a second end 13 rotatably connected with the at least one secondary frame 3, the lifting device 10 furthermore including a spring assembly 20 configured to be coupled to the sledge system 30.
  • the spring assembly 20 is in turn configured to be connected to the first end 12 of the lifting arm 14 by means of a coupling mechanism to be described in further detail below, such that the spring assembly 20 is able to assume an uncoupled condition and a coupled condition relative to the sledge system 30.
  • Figs 5 and 6 show the general components of the spring assembly 20 of a roof window. Further details and advantages of the particular spring assembly 20 are the subject of Applicant's co-pending patent application filed on the same day as the present application, and is shown for information purposes only in Figs 21 to 24 .
  • the present invention is however applicable to any kind of spring assembly.
  • the general components of the spring assembly are: a tension rod 22 accommodating a buffer spring system 28 and a main spring system 29.
  • the buffer spring system 28 acts as an auxiliary system to the main spring system 29.
  • an adjustment means is provided in the form of a movable adjustment plate 26 which is placed in one of several recesses 27a in a spring casing 27 accommodating the buffer spring system 28.
  • the buffer spring system 28 comprises an outer spring 281 and an inner spring 282 of substantially identical pre-defined lengths.
  • the pre-defined length of the springs 281, 282 is typically chosen according to the dimensions of other parts of the lifting device.
  • the inner spring 282 is accommodated inside the outer spring 281 so as the axes of the respective springs extend substantially co-axially.
  • the outer spring 281 and the inner spring 282 of the buffer spring system 28 have mutually different spring constants, and the outer spring 281 and the inner spring 282 of the buffer spring system 28 have mutually opposite thread directions.
  • the spring assembly 20 here further comprises at least one spring plug 283, 284 configured to be in contact with the respective end of the inner spring 282 of the buffer spring system 28 in the mounted condition. That is, here the two spring plugs 283 and 284 form the respective ends of the buffer spring system 283 and 284.
  • the spring plugs 283, 284 is provided with friction-increasing means at the surface configured to be in contact with the respective end of the inner spring 282 of the buffer spring system 28. In this way, the two springs are kept together in a safe manner.
  • the coupling mechanism comprises a first coupling member 21 associated with the spring assembly 20 as is shown most clearly in Fig. 6 .
  • the first coupling member 21 is adapted to cooperate with a second coupling member associated with the sledge system 30.
  • the second coupling member comprises a sledge 31 forming part of the sledge system 30, and the sledge 31 includes receiving means configured to cooperate with the first coupling member 21 in the coupled condition.
  • the first coupling member includes a hook element 21 to cooperate with the second coupling member including its receiving means formed in the sledge system 30.
  • the hook element 21 is configured to assume at least a non-engagement position and an engagement position
  • the coupling mechanism furthermore comprises a coupling plate 25 arranged to assume at least a first position corresponding to the coupled condition and a second position corresponding to the uncoupled condition, the coupling plate 25 allowing the hook element 21 to assume said non-engagement position. Operation of the presently preferred embodiments will be described in further detail in connection with Figs 12a to 12h .
  • the hook element 21 of the first coupling member has at least one hook portion 214 facing the sledge system 30. This provides for a particularly easy and safe coupling procedure.
  • the hook element 21 as shown in for instance Fig. 8d has a U-shaped configuration including a base plate portion 212 and two flange portions 213, one hook portion 214 being provided at each of the flange portions 213.
  • the tension rod 22 of the spring assembly 20 comprises includes a rod portion 221 extending substantially along the length of the spring assembly 20, and a head portion 222 facing the hook element 21, the tension rod 22 being provided with at least one inclined portion 223, 224 at the transition between the head portion 222 and the rod portion 221.
  • the hook element 21 of the first coupling member is provided with an aperture 211 in the base plate portion 212 to allow passage of the tension rod 22 such that the head portion 222 of the tension rod 22 is retained within the U-shape at the front side of the base plate portion 212 and the rod portion 221 at the back side.
  • the coupling plate 25 of the coupling mechanism has a base portion 252 which in the assembled position is located at the back side of the base plate portion 212 of the hook element 21, i.e. opposite the sledge system 30, and is provided with an oblong aperture 251 to allow passage of the rod portion 221 of the tension rod 22, and wherein the coupling plate 25 is slidable in the plane of the base portion 252 substantially perpendicularly to the rod portion 221 such that when in a bottom position, the hook portion 21 is capable of assuming its engagement position, and in a top position, the hook portion 21 is kept in its non-engagement position.
  • the coupling plate 25 is here provided with a bottom flange 253 formed on the base portion 252 to abut on the at least one inclined portion 223 in the non-engagement position via the base plate portion 212. This brings about the actual retention of the hook element 21 in its non-engagement position in the embodiment shown.
  • the coupling plate 25 is provided with a cut-out 254 at the top of the base portion 252 to form at least one, preferably two, upstanding lugs 255. This eases the application of tools and the re-entry into the coupling position. Furthermore, the cut-out 254 allows for accommodation of reinforcement or stiffening elements for the sash.
  • connection between the first coupling member and the spring assembly 20 may be carried out in any suitable manner as long as it fulfils the requirements due to the relatively large forces involved.
  • a robust structure as in the present embodiment includes an angle element 23 provided near the head portion 222 of the tension rod 22, having an aperture 231 to allow passage of the rod portion 221 of the tension rod 22.
  • an end piece 24 is furthermore provided, having an aperture 241 to allow passage of the rod portion 221 of the tension rod 22, the end piece 24 furthermore having an upstanding wall 242, on which a protrusion 243 is formed to surround the aperture 241 of the end piece 24, and wherein two protruding flanges 244 are provided at either side of the upstanding wall 242 to define a track 245.
  • the angle element 23 is provided with an upstanding leg 232 and a bottom leg 233, the aperture 231 of the angle element 23 being provided in the upstanding leg 232, and wherein two protruding flanges 234 are provided substantially in parallel to the bottom leg 233 and each defining a gap 235 relative to the upstanding leg 232.
  • the end piece 24 is positioned with the back side of its upstanding wall 242 abutting the front side of the upstanding leg 232 of the angle element 23, between the bottom leg 233 and the protruding flanges 234, and wherein the base portion 252 of the coupling plate 25 is received slidably in the track 245 of the end piece and the respective gaps 235 of the angle element 23.
  • each flange portion 213 of the U-shaped the hook element 21 here includes an apex 210 at the front end, a rounded transition 215 between the apex 210 and the hook portion 214, a bottom edge portion 218 between the hook portion 214 and the base plate portion 212, an opposite top portion 217, and at least one inclined edge portion 216, 219 between the top portion 217 and the apex 210.
  • the components of the coupling mechanism shown in Figs. 18a-18e have a substantially corresponding configuration as in Figs. 8a-8e .
  • the hook element 21 is provided with two grooves 217a in the top portion 217 to provide for possible further guidance.
  • the protruding flanges 244 of the end piece 24 are provided with a respective rib portion 244a and two bent flange portions 246 on the side facing the spring arrangement 20.
  • the angle element 23 is provided with enlarged aperture sections 231a adjoining the aperture 231 in order to accommodate the bent flange portions 246. In this way, easy assembly and safe retention in use is achieved.
  • the coupling plate 25 is provided with friction-increasing portions 256, for instance in the form of riffling or other surface treatment to increase the friction to enhance the retention of the coupling plate 25 in the desired position.
  • Corresponding friction-increasing portions may be provided on the opposite side of the base portion 252.
  • the friction-increasing portions may also be provided as separate elements for instance a film or the like applied to the base portion 252.
  • the components of the coupling mechanism need to be dimensioned suitably relative to each other in order to avoid excess frictional forces but at the same time allow for proper operation.
  • sledge system 30 Further details of the sledge system 30 are shown in the second and third embodiments in Figs 10 to 11 and 13a to 15b , and Figs. 18a-20b . Elements having the same or analogous function as in the first embodiment carry the same reference numerals. Only differences relative to the first embodiment will be described in detail.
  • the sledge 31 of the sledge system 30 comprises a bottom portion 310, a first wall portion 311 and a second wall portion 312, one receiving recess 314 being preferably provided at each of the transitions between the first wall portion 311 and the bottom portion 310 and between the second wall portion 312 and the bottom wall portion 310, and wherein a hole 315 is provided in the first wall portion 311 and a hole 316 is provided in the second wall portion 312 for receiving an axle 40 connected to the first end 12 of the lifting arm 14.
  • the sledge 31 is provided with a second opening 318 and an incision 319 to make room for other parts of the lifting device 10.
  • the sledge 31 has been made longer relative to the sledge of the first and second embodiments. This provides the sledge 31 with a larger strength. As a consequence, the incision 319 is made longer.
  • the receiving means of the second coupling member include at least one receiving recess 314 in the sledge 31 of the sledge system 30.
  • the second coupling member could also take other shapes.
  • One conceivable, alternative solution would be to utilise the axle 40 as receiving means. This alternative solution is shown in Fig. 17 .
  • axle 40 shown in Figs 15a-15b , 16 and 20b are given for information purposes only and are the subject of Applicant's co-pending patent application filed on the same day as the present application.
  • the components of the lifting device are subjected to high loads, in particular in large roof windows and in low roof pitches.
  • the required lifting capacity of the lifting device may amount to close to 500 Nm. Loads of these magnitudes not only pose severe demands on the components but also require high performance of the spring assembly.
  • top hinge pin 11 In addition to the aspects covered by the present application, precautions have also been taken to mitigate adverse effects of the load in the top hinge pin 11 and the top bearing fitting 15.
  • the top hinge pin 11 In order for the top hinge pin 11 to be safely lodged in the top bearing fitting 15 at all times, the top hinge pin 11 has been formed with a head and is furthermore secured against rotation.
  • the top bearing fitting 15 In order to transfer the load on the top hinge pin 11 exerted by the sash via the intermediate frame safely to the top bearing fitting 15, the top bearing fitting 15 is provided with protrusions (not shown in detail).
  • the sledge system 30 comprises a runner 32 in the embodiments described and shown in particular in Figs. 10-11 , 14a-14b , and 20a-20b , configured to accommodate the sledge 31 and being provided with at least one recess 324 opposite the respective receiving recess 314 of the sledge 31 of the second coupling member. Further details of the runner 32 are shown for information purposes only; such details are the subject of Applicant's co-pending patent application filed on the same day as the present application. It is noted that the present invention is applicable also to sledge systems in which there is no runner, or a runner of a different configuration.
  • the runner 32 is formed of a plastic material such as POM which may also be provided with a coating of for instance Teflon® or other treatment having the function to act as a lubricant to reduce the friction.
  • the narrowing 313 on the runner 32 is made for reasons of space availability.
  • By forming the runner slenderer in one side it is possible to make 322a thicker, and tolerances are accommodated in the side where 322 is - in that way the axle 40 is guided such that the end 402 does not protrude to wear on the side of the guidance.
  • An edge portion 328 is provided as a cut-out in order to allow space for other parts of the assembly.
  • a flange portion 329 scrapes the guidance to force for instance smudge gathered in the sledge guidance 16 to the sides of the guidance.
  • the coupling mechanism may be designed in any suitable manner and operated accordingly, as long as the fundamentals as outlined initially are fulfilled.
  • the hook element 21 of the first coupling member is in the presently preferred embodiments arranged to slidably contact the sledge system 30 in one direction and to engage said second coupling member, in the embodiments shown the sledge 31, in another direction, namely by being forced in the opposite direction to ensure engagement with the first and second coupling members by the components of the lifting device itself.
  • Not all elements are indicated by reference numerals in Figs 12a to 12h for ease of readability and it is referred to the above description of the remaining Figures for detailed explanations.
  • Fig. 12a the roof window is shown in its closed condition, that is the secondary frame or frames are lying substantially in parallel with the primary frame.
  • the intermediate frame 3 represents the secondary frames
  • the position of the sledge guidance 16 and the spring assembly 20 indicate the corresponding position of the stationary frame 1 although not shown, i.e. here substantially horizontal for reasons of clarity, even though the stationary frame 1 will most often be installed in an inclined roof surface prior to coupling the spring assembly 20 to the sledge system 30.
  • the coupling mechanism is not yet active, and the sledge system 30 is consequently located at a distance from the spring assembly 20. From the break-out enlarged view of Fig. 12a is apparent the position of the coupling plate 25 in its first position, i.e. bottom position, and corresponds to the engagement position of the hook element 21 in which coupling is possible.
  • the lifting arm 14 rotates as well, and the sledge system 30 moves in the direction of the spring assembly 20 and its associated first coupling member in the form of hook element 21.
  • the hook element 21 slides up on the sledge 31 and is able to rotate slightly on the tension rod 22, as the base plate portion 212 of the hook element 21 is able to move relative to the inclined portion 223 on the back side of the head portion 222.
  • the coupling plate 25 is still in its first, or bottom position.
  • the hook portions 214 of the hook element 21 will reach a position just above the receiving recesses 314.
  • the spring assembly 20 is biased and exerts a pull in the tension rod 22, to the left in Fig. 12b , the hook element 21 will be subjected to a clockwise moment which in turn forces the hook portions 214 to enter the receiving recesses 314 of the sledge 31.
  • the hook element 21 withdraws further to the left due to the bias of the spring assembly, the hook portions 214 are drawn into stable engagement with the receiving recesses 314 in the sledge 31 as shown in Fig. 12c .
  • the window is now ready for normal operation, and during the subsequent closing of the intermediate frame 3, the movement of the lifting arm 14 pulls the sledge system 30 towards the top of the window, i.e. to the right as shown in Fig. 12d .
  • the closing movement takes place during simultaneous further bias of the spring assembly 20 as is known per se .
  • the roof window is prepared for uncoupling by first rotating the intermediate frame 3 to an open position. Then, the coupling plate 25 is brought from its first or bottom position to its second or top position by an upwards movement, indicated by arrow A in Fig. 12f .
  • the window is not entirely open in the position of Fig. 12f , that is, the sledge system 30 is not in its left-most position but distanced from the spring assembly 20 by some millimetres.
  • the sash is rotated to its fully open position and then moved slightly back in the closing direction such that the coupling plate 25 is free to be moved upwards. In this position the coupling plate is held in its upper most position by means of friction.
  • the hook element 21 is still engaged with the sledge system 30 as the hook portions 214 are gripping the recesses 314 of the sledge 31 until the user grabs the sash and lifts it. During this movement, the hook element 21 is allowed to turn upwards in the counter-clockwise direction. This brings the hook element 21 to its non-engagement position in which coupling is not possible. This action is brought about in that the bottom flange 253 of the coupling plate 25 abuts on the back side of the base plate portion 212 of the hook element 21. The hook element 21 is thus affected by a counter-clockwise moment which keeps it in the non-engagement position.
  • the secondary frame(s) may now be dismantled from the primary frame, here thus the intermediate frame 3 with sash 2 and pane 4 lifted off the connection with the stationary frame 1.
  • the lifting of the coupling plate 25 may in principle take place in any suitable manner. However, in order to ensure that unwarranted release does not take place, use of a suitable tool is preferably prescribed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Wing Frames And Configurations (AREA)
  • Window Of Vehicle (AREA)

Claims (16)

  1. Fenêtre de toit, en particulier destinée à être installée dans une surface de toit inclinée, comprenant
    un cadre primaire (1),
    au moins un cadre secondaire (2, 3), tel qu'un châssis (2) et/ou un cadre intermédiaire (3), et
    un dispositif de levage (10) comprenant un bras de levage (14) inséré entre le cadre primaire (1) et l'au moins un cadre secondaire (2, 3), un système de coulisse (30) et un mécanisme d'accouplement, le bras de levage (14) ayant une première extrémité (12) reliée de manière rotative au système de coulisse (30) relié de manière coulissante au cadre primaire (1) dans un guidage de coulisse (16) et une seconde extrémité (13) reliée de manière rotative à l'au moins un cadre secondaire (3), le dispositif de levage (10) comprenant en outre un ensemble ressort (20) conçu pour être accouplé au système de coulisse (30) et à la première extrémité (12) du bras de levage (14) au moyen du mécanisme d'accouplement, de sorte que l'ensemble ressort (20) puisse assumer une condition non accouplée et une condition accouplée par rapport au système de coulisse (30), le mécanisme d'accouplement comprenant un premier élément d'accouplement (21) associé à l'ensemble ressort (20) et conçu pour coopérer avec un second élément d'accouplement (31) associé au système de coulisse (30), et le premier élément d'accouplement comprenant un élément crochet (21) et le second élément d'accouplement comprenant des moyens de réception formés dans le système de coulisse (30) et conçus pour coopérer avec ledit élément crochet (21) dans la condition accouplée, et l'élément crochet (21) étant conçu pour assumer au moins une position de non mise en prise et une position de mise en prise,
    le mécanisme d'accouplement comprenant en outre une plaque d'accouplement (25) conçue pour prendre au moins une première position correspondant à la condition accouplée et une seconde position correspondant à la condition non accouplée, la plaque d'accouplement (25) permettant à l'élément crochet (21) d'assumer ladite position de non mise en prise,
    l'élément crochet (21) du premier élément d'accouplement ayant au moins une partie de crochet (214) faisant face au système de coulisse (30), l'élément crochet (21) ayant une configuration en forme de U comprenant une partie de plaque de base (212) et deux parties de bride (213), l'au moins une partie de crochet (214) étant disposée au niveau de l'une ou de chacune des parties de bride (213),
    l'ensemble ressort (20) comprenant une tige de tension (22) comprenant une partie de tige (221) s'étendant sensiblement le long de la longueur de l'ensemble ressort (20), et une partie de tête (222) faisant face à l'élément crochet (21), la tige de tension (22) étant pourvue d'au moins une partie inclinée (223, 224) au niveau de la transition entre la partie de tête (222) et la partie de tige (221),
    l'élément crochet (21) étant pourvu d'une ouverture (211) dans une partie de plaque de base (212) pour permettre le passage de la tige de tension (22) de sorte que la partie de tête (222) de la tige de tension (22) soit retenue à l'intérieur de la forme en U au niveau du côté avant de la partie de plaque de base (212) et la partie de tige (221) au niveau du côté arrière,
    la plaque d'accouplement (25) du mécanisme d'accouplement ayant une partie de base (252) située au niveau du côté arrière de la partie de plaque de base (212) de l'élément crochet (21) et étant pourvue d'une ouverture oblongue (251) pour permettre le passage de la partie de tige (221) de la tige de tension (22) et la plaque d'accouplement (25) pouvant coulisser dans le plan de la partie de base (252) sensiblement perpendiculairement à la partie de tige (221) de sorte que, lorsqu'elle se trouve dans la première position ou position inférieure, l'élément crochet (21) puisse assumer sa position de mise en prise, et dans la seconde position ou position supérieure, l'élément crochet (21) soit maintenu dans sa position de non mise en prise, et
    la plaque d'accouplement (25) étant pourvue d'une bride inférieure (253) formée sur la partie de base (252) pour venir en butée sur l'au moins une partie inclinée (223) dans la position de non mise en prise.
  2. Fenêtre de toit selon la revendication 1, la plaque d'accouplement (25) étant pourvue d'une découpe (254) au sommet de la partie de base (252) pour former au moins une, de préférence deux, pattes verticales (255).
  3. Fenêtre de toit selon l'une quelconque des revendications 1 à 2, un élément d'angle (23) étant disposé à proximité de la partie de tête (222) de la tige de tension (22), ayant une ouverture (231) pour permettre le passage de la partie de tige (221) de la tige de tension (22).
  4. Fenêtre de toit selon la revendication 3, une pièce d'extrémité (24) étant fournie, ayant une ouverture (241) pour permettre le passage de la partie de tige (221) de la tige de tension (22), la pièce d'extrémité (24) ayant en outre une paroi verticale (242), sur laquelle une saillie (243) est formée pour entourer l'ouverture (241) de la pièce d'extrémité (24), et deux brides en saillie (244) étant fournies de chaque côté de la paroi verticale (242) pour définir une piste (245).
  5. Fenêtre de toit selon la revendication 4, l'élément d'angle (23) étant pourvu d'une jambe verticale (232) et d'une jambe inférieure (233), l'ouverture (231) de l'élément d'angle (23) étant fournie dans la jambe verticale (232), et deux brides en saillie (234) étant fournies sensiblement parallèlement à la jambe inférieure (233) et définissant chacune un espace (235) par rapport à la jambe verticale (232).
  6. Fenêtre de toit selon la revendication 5, la pièce d'extrémité (24) étant positionnée avec le côté arrière de sa paroi verticale (242) en butée contre le côté avant de la jambe verticale (232) de l'élément d'angle (23), entre la jambe inférieure (233) et les brides en saillie (234), et la partie de base (252) de la plaque d'accouplement (25) étant reçue de manière coulissante dans la piste (245) de la pièce d'extrémité et les espaces (235) respectifs de l'élément d'angle (23).
  7. Fenêtre de toit selon l'une quelconque des revendications 1 à 6, chaque partie de bride (213) de l'élément crochet en forme de U (21) comprenant un sommet (210) au niveau de l'extrémité avant, une transition arrondie (215) entre le sommet (210) et la partie de crochet (214), une partie de bord inférieur (218) entre la partie de crochet (214) et la partie de plaque de base (212), une partie supérieure opposée (217), et au moins une partie de bord inclinée (216, 219) entre la partie supérieure (217) et le sommet (210).
  8. Fenêtre de toit selon l'une quelconque des revendications précédentes, les moyens de réception du second élément d'accouplement comprenant au moins un évidement de réception (314) dans une coulisse (31) du système de coulisse (30).
  9. Fenêtre de toit selon la revendication 8, la coulisse (31) comprenant une partie inférieure (310), une première partie de paroi (311) et une seconde partie de paroi (312), un évidement de réception (314) étant de préférence fourni au niveau de chacune des transitions entre la première partie de paroi (311) et la partie inférieure (310) et entre la seconde partie de paroi (312) et la partie de paroi inférieure (310), et un trou (315) étant fourni dans la première partie de paroi (311) et un trou (316) étant disposé dans la seconde partie de paroi (312) pour recevoir un axe (40) relié à la première extrémité (12) du bras de levage (14).
  10. Fenêtre de toit selon la revendication 8 ou 9, le système de coulisse (30) comprenant un longeron (32) conçu pour recevoir la coulisse (31) et étant pourvu d'au moins un évidement (324) opposé à l'évidement de réception (314) respectif de la coulisse (31).
  11. Fenêtre de toit selon l'une quelconque des revendications 1 à 7, les moyens de réception du second élément d'accouplement comprenant un axe (40) relié à la première extrémité (12) du bras de levage (14).
  12. Fenêtre de toit selon l'une quelconque des revendications précédentes, l'élément crochet (21) du premier élément d'accouplement étant conçu pour entrer en contact de manière coulissante avec le système de coulisse (30) dans une direction et pour venir en prise avec ledit second élément d'accouplement (31) dans une autre direction.
  13. Fenêtre de toit selon l'une quelconque des revendications précédentes, la plaque d'accouplement (25) étant pourvue d'au moins une partie augmentant la friction (256).
  14. Procédé d'installation d'une fenêtre de toit ayant un cadre primaire, au moins un cadre secondaire, et un dispositif de levage inséré entre le cadre primaire et le cadre secondaire, comprenant les étapes consistant à :
    i) fournir un dispositif de fixation selon l'une quelconque des revendications 1 à 13 ;
    ii) installer le cadre primaire dans une structure de toit ; et
    iii) accoupler le cadre secondaire au cadre primaire.
  15. Procédé selon la revendication 14, l'étape iii) comprenant les étapes consistant à
    a) faire glisser le système de coulisse dans le guidage de coulisse en ouvrant le cadre secondaire jusqu'à ce que le premier élément d'accouplement entre en contact et vienne en prise avec le second élément d'accouplement ; et
    b) fermer le cadre secondaire.
  16. Procédé pour démonter le cadre secondaire d'une fenêtre de toit selon l'une quelconque des revendications 1 à 13, comprenant les étapes consistant à
    a) ouvrir le cadre secondaire ;
    b) positionner la plaque d'accouplement dans la seconde position ;
    c) solliciter le premier élément d'accouplement contre la plaque d'accouplement en ouvrant davantage le cadre secondaire, et
    d) retirer le cadre secondaire.
EP18812050.5A 2017-11-24 2018-11-26 Fenêtre de toit avec un cadre principal et au moins un cadre secondaire, procédé d'installation d'une telle fenêtre de toit et procédé de démontage d'un cadre secondaire de la fenêtre de toit Active EP3714125B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP21194788.2A EP3936693A1 (fr) 2017-11-24 2018-11-26 Fenêtre de toit avec un cadre principal et au moins un cadre secondaire, procédé d'installation d'une telle fenêtre de toit et procédé de démontage d'un cadre secondaire de la fenêtre de toit
PL18812050T PL3714125T3 (pl) 2017-11-24 2018-11-26 Okno dachowe z ramą główną i co najmniej jedną ramą pomocniczą, sposób montażu takiego okna dachowego oraz sposób demontażu ramy pomocniczej okna dachowego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201770889A DK180044B1 (en) 2017-11-24 2017-11-24 Roof window with improved coupling mechanism, method for installing the roof window including coupling a secondary frame to a primary frame and method for dismantling the same.
PCT/DK2018/050312 WO2019101281A1 (fr) 2017-11-24 2018-11-26 Fenêtre de toit avec un cadre principal et au moins un cadre secondaire, procédé d'installation d'une telle fenêtre de toit et procédé de démontage d'un cadre secondaire de la fenêtre de toit

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP21194788.2A Division EP3936693A1 (fr) 2017-11-24 2018-11-26 Fenêtre de toit avec un cadre principal et au moins un cadre secondaire, procédé d'installation d'une telle fenêtre de toit et procédé de démontage d'un cadre secondaire de la fenêtre de toit

Publications (2)

Publication Number Publication Date
EP3714125A1 EP3714125A1 (fr) 2020-09-30
EP3714125B1 true EP3714125B1 (fr) 2021-09-08

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP21194788.2A Pending EP3936693A1 (fr) 2017-11-24 2018-11-26 Fenêtre de toit avec un cadre principal et au moins un cadre secondaire, procédé d'installation d'une telle fenêtre de toit et procédé de démontage d'un cadre secondaire de la fenêtre de toit
EP18812050.5A Active EP3714125B1 (fr) 2017-11-24 2018-11-26 Fenêtre de toit avec un cadre principal et au moins un cadre secondaire, procédé d'installation d'une telle fenêtre de toit et procédé de démontage d'un cadre secondaire de la fenêtre de toit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP21194788.2A Pending EP3936693A1 (fr) 2017-11-24 2018-11-26 Fenêtre de toit avec un cadre principal et au moins un cadre secondaire, procédé d'installation d'une telle fenêtre de toit et procédé de démontage d'un cadre secondaire de la fenêtre de toit

Country Status (8)

Country Link
EP (2) EP3936693A1 (fr)
CN (1) CN111417763B (fr)
DK (1) DK180044B1 (fr)
EA (1) EA037808B1 (fr)
ES (1) ES2893575T3 (fr)
HU (1) HUE056484T2 (fr)
PL (1) PL3714125T3 (fr)
WO (1) WO2019101281A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ309025B6 (cs) * 2020-10-14 2021-12-01 České vysoké učení technické v Praze Střešní okno mající okenní křídlo otevíratelné do exteriéru do polohy rovnoběžné s rovinou střechy
DK202170199A1 (en) 2021-04-29 2022-11-08 Vkr Holding As Roof window with a set of hinges
DK202270169A1 (en) 2022-03-31 2023-12-12 Vkr Holding As A roof window arrangement comprising a plurality of window units and a common frame, and method of installing such a roof window arrangement
WO2023186246A1 (fr) * 2022-03-31 2023-10-05 Vkr Holding A/S Fenêtre de toit avec ensemble charnière comprenant une unité charnière et une unité d'accouplement conçues pour adopter au moins une position intermédiaire et une position finale

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK146808C (da) 1981-12-08 1984-06-18 Rasmussen Holding As V Kann Vindue, navnlig til indbygning i en skraa tagflade, med en karm og en i denne tophaengslet ramme samt en mellem disse indskudt rammeloeftearm
DK157695C (da) * 1988-04-08 1990-06-25 Rasmussen Kann Ind As Vindue, navnlig til indbygning i en skraa tagflade
DK170718B1 (da) * 1993-12-10 1995-12-18 Rasmussen Kann Ind As Vindue, navnlig til indbygning i en skrå tagflade
DE9406891U1 (de) * 1994-04-26 1994-06-16 Roto Frank Ag Klapp-Schwing-Dachfenster mit Ausstellhilfe
DE19650190B4 (de) * 1996-12-04 2005-11-17 Roto Frank Ag Dachfenster, insbesondere Schwingflügel-Dachfenster
CN1223739C (zh) * 2001-01-19 2005-10-19 Vkr控股公司 具有一改进的闭锁装置的屋顶窗
PL1813753T3 (pl) * 2006-01-31 2009-07-31 Roto Frank Ag Okno dachowe, zwłaszcza okno dachowe dla domu mieszkalnego
PL1873323T3 (pl) 2006-06-27 2011-10-31 Vkr Holding As Podnoszące urządzenie i okno zawierające takie podnoszące urządzenie
JP2008025140A (ja) * 2006-07-19 2008-02-07 Satomi Nishijima カーポート等の屋根
DK178344B1 (en) 2013-02-01 2015-12-21 Vkr Holding As A pivot hinge fitting with engagement means and a roof window comprising a set of such pivot hinge fittings
KR102319155B1 (ko) * 2014-04-16 2021-10-29 올.미. 에스.알.엘. 문 또는 문짝 등의 회전성 움직임을 위한 힌지
AR097994A1 (es) * 2014-10-10 2016-04-27 Anselmo Antonetti Oscar Ventana de apertura superior tipo banderola y marco

Also Published As

Publication number Publication date
EP3936693A1 (fr) 2022-01-12
CN111417763B (zh) 2021-08-24
PL3714125T3 (pl) 2022-01-31
CN111417763A (zh) 2020-07-14
EP3714125A1 (fr) 2020-09-30
WO2019101281A1 (fr) 2019-05-31
DK180044B1 (en) 2020-02-04
DK201770889A1 (en) 2019-06-12
ES2893575T3 (es) 2022-02-09
HUE056484T2 (hu) 2022-02-28
EA202091013A1 (ru) 2020-08-07
EA037808B1 (ru) 2021-05-24

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