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
  • 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
  • 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
  • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
  • E05D15/00—Suspension arrangements for wings
  • E05D15/48—Suspension arrangements for wings allowing alternative movements
• • 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
• • 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
• • 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
  • E05Y2201/47—Springs
  • E05Y2201/48—Leaf or leg 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
  • E05Y2600/53—Snapping
• • 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 object of the invention is a roof window sash lifting device, featuring at least a tilt opening function, with the tilt axis located by the roof window jamb upper stile and a roof window with such a device.
• a solution entailing an intermediate arm unit in a dual-function roof window, featuring a sash lift support mechanism which works together with a set of springs positioned along jamb side stile was disclosed under PL231796B1 .
• Springs via tie-rods terminating with a joint hook attached to a pin exert a force on a slider directed along the jamb side stile and that force through a support is transferred to the intermediate arm as a force balancing the weight of the sash.
• the quantity and properties of the springs are selected appropriately to the size of the window sash and its weight.
• the solution entailing a roof window with an intermediate arm unit and a sash lift support mechanism by FAKRO was also disclosed at the 2017 Bau Trade Fair in Kunststoff after the PL231796B1 filing date.
• a solution entailing a roof window, and particularly for installation in an inclined roof surface, comprising a primary frame, at least one secondary frame, such as a sash and/or intermediary frame has been disclosed under patent EP3714116B1 .
• the lifting device also includes a lifting arm inserted between the primary frame and at least one secondary frame, a sledge system and a coupling mechanism. Wherein the lifting arm has a first end rotatably connected with a said sledge system slidably connected with the primary frame in a sledge guidance and a second end rotatably connected with at least one secondary frame.
• the lifting device furthermore includes a spring assembly configured to be coupled to the sledge system and thus to the first end of the lifting arm by means of the said coupling mechanism, such that the spring assembly is able to assume an uncoupled condition and a coupled condition relative to the sledge system.
• the spring assembly comprises a main spring system and a buffer spring system inserted between the main spring system and the lifting device, wherein the spring assembly also includes a spring housing, which additionally includes at least one groove for an adjustment plate.
• the buffer spring system comprises an outer spring and an inner spring of substantially identical pre-defined lengths.
• the inner spring is at least partially located inside the outer spring thus the axes of given springs are essentially arranged coaxially, and the outer spring and the inner spring of the buffer spring system have mutually different springs constants with mutually opposite coil directions.
• the spring system includes also at least one spring plug configured so that it abuts an appropriate end of the buffer springs' inner spring in an assembled state, with the aforementioned spring plug equipped with measures increasing friction on the surface configured so that it abuts an appropriate end of the buffer springs system's inner spring.
• roof window lifting device refers to roof window with lifting device which comprising a coupling member to be coupled with the sledge system.
• Invention focus on lifting mechnism construction which allow for coupling and uncoupling said coupling memeber with the sledge system.
• COUPLING is performed by- to make coupling member - hook element 21 coupled with the sledge system 30
• roof window sash has to be rised what cause sledge system 30 moving towards said hook elelement 21 until it reach position above receiving recesses 314, wherein in said position, hook element 21 fall down in clockwise movemnt direction and enter said receiving recesses 314 of the sledge 31.
• Hook member 21 has hook portion 214 which drawn into stable engagement with the receiving recesses 314 and hook member 21 is coupled with the sledge system 30.
• UNCOUPLING is performed by - to uncouple hook member from the sledge system 30, roof window lifting device need to comprise an coupling plate 25. Again roof window has to be opened, than coupling plate is rised in the opened sash direction, where said coupling plate bottom flange 253 abuts on the base plate portion 212 of the hook element 21. Coupling plate 25 is keeped in this rised position by friction force between an end piece 24, and angle elemnt 23 and the coupling plate 25.
• hook element 21 By further rising sash, hook element 21 turn upwards in the counter-clockwise direction such that the hook element leaves the receiving recesses 314 and mechism is uncoupled. Said counter-clockwise movement is performer by pushing bottom flange on the base plate portion 212 during roof window further opening.
• the essence of the invention comprises a lifting device.
• the lifting device includes a spring element for self-positioning of the coupling assembly to a position where it is coupled with the sledge assembly, preventing the coupling assembly and the sledge assembly becoming decoupled and an uncontrolled fall of the sash during roof window use.
• the essence of the invention also comprises a roof window with such a device.
• the roof window sash lifting device is constructed out of a spring assembly with two main springs and with one auxiliary spring unit seated in the device adjusting assembly, a coupling assembly, and a sledge assembly.
• One spring assembly is seated on two rods. The rods stretch along the spring assembly and the adjustment assembly, and its other end is rotatably connected to the coupling assembly.
• the coupling assembly is designed for a detachable attachment to the device sledge assembly.
• the coupling assembly includes a spring element for self-positioning of the coupling assembly to its original position, preventing the coupling assembly and the sledge assembly becoming decoupled. Lifting device assemblies according to the invention are described in detail hereinbelow.
• the lifting device spring assembly is constructed out of two main springs seated on a rod, which terminates with an adjustable plug attached to the rod by means of a threaded connection in particular.
• the main springs may also be part of a unit, wherein inside one spring there is a second, inner spring with a different spring constant and opposite coil directions.
• the main springs of the spring assembly abuts the said adjustable plug with a defined stress level, and its other, opposite end abuts the adjustment assembly chute front wall.
• the main spring stress level on the rod is proportional to the degree to which the adjustable plug on the said rod has been tightened.
• In the adjustment assembly chute there is an auxiliary spring unit constructed out of two springs arranged one inside the other and seated on the lifting device rod with different spring constants and opposite coil directions.
• the adjustment assembly chute includes an adjustable plate, with openings for each device rod and with arms designed to be seated in the adjustment assembly chute edge grooves. There are openings in the bottom of the adjustment assembly chute for adjustable plate ridges, positioned to coincide with the edge grooves so that the edge grooves and the openings in the bottom of the chute share the same axis.
• the adjustable plate position depends on the inclination of the roof where the window is being installed. The smaller the roof inclination, the smaller the distance between the adjustable plate and the sledge assembly chute front wall.
• An auxiliary spring unit is located on the rod, between the adjustable plate and the front wall. Furthermore, inside the sledge assembly chute by the front wall on the rod there is a collet which splits the rod into two parts, constituting a rod length limiter, which may extend beyond the adjustment assembly chute on the front wall side of that chute.
• the lifting device rod or rods extending beyond the sledge assembly chute's back wall, are connected to the coupling assembly.
• the coupling assembly features a layered structure.
• Coupling assembly layers comprise flat, preferably metal elements connected together, or made out of plastic or metal and plastic.
• the coupling assembly includes two outer flat elements with at least one flat inner element between them, connected using connectors and in particular using screws, rivets or clinching.
• the aforementioned outer flat elements include coaxial through openings, which establish a rotatable socket for the rod spigot.
• the flat inner element includes a ridge which limits the coupling assembly rotation relative to the rod.
• the essence of the invention comprises a spring element in a coupling assembly, in particular in the form of a flat spring.
• the spring element is seated in the coupling assembly flat inner element socket, preferably constituting a slot for seating a flat spring.
• the free end of the spring element abuts one of the lifting device rods.
• the spring element in the form of a flat spring rotates around the axis of rotation running along the spring element bending line, wherein the bending line splits the spring element into a part seated in the coupling assembly flat inner element socket and a part abutting one device rod.
• the sledge assembly is constructed out of a chute, mounted on a jamb side stile by its upper stile. Inside the chute there is a slider in the form of a u-section and a lifting arm, which transfers the sledge assembly slider movement caused by the action of the spring assembly together with the coupling assembly towards the sash. Friction of a specified value is exerted between the slider and the sledge assembly chute. To obtain a desired value of the aforementioned friction, the slider features plastic slide overlays, located between the slider and the chute bottom. These overlays overlap the slider side walls.
• the lifting arm is rotatably attached to the sledge assembly slider peg and the axis of rotation passing through the peg and the slider side walls, and the other end of the lifting arm is rotatably attached with the sash, and in particular with the roof window fitting assembly intermediate arm.
• the lifting device according to the invention is designed for installation on a roof window jamb.
• the coupling assembly and in particular in the form of a hook, is guided towards the sledge assembly slider coupling peg.
• the hook upon reaching the slider, revolves slightly around the axis passing through the first rod spigot, and the spigot of the second rod moves in the elongated opening so that the coupling peg slides along the hook ramp plate surface until it enters the hook socket, with the said hook coupling to the slider coupling peg.
• the rod or rods with the main springs and the auxiliary spring unit seated thereon moves along the jamb side stile and the spring assembly tenses more than when the two assemblies are not coupled.
• the sash in all positions above the jamb, is held in a selected position.
• the rod or rods and the slider return to the window pre-opening position and the spring assembly tension increases.
• Coupling of the device assemblies according to the invention is carried out by the installer whilst installing the window in a roof and this may be performed repeatedly for technical maintenance needs for example.
• the device with a flat spring solves the problem associated with the coupling assembly and the sledge assembly decoupling in an uncontrolled manner which could lead to an uncontrolled fall of the roof window sash.
• the lifting device according to the invention is designed for a roof window.
• the roof window is constructed out of jamb 1 and sash 2 with a glass unit seated in a jamb via a hinge assembly, which facilitates at least a tilt opening of the roof window with the axis of rotation located by jamb 1 upper stile.
• Spring assembly 3 is constructed out of two main springs 31, with main inner springs inside them with a different spring constant and opposite coil directions as compared to main springs 31.
• Main spring 31 and the main inner spring are seated on rods 8, 9, so that spring assembly 3 is located between adjustment assembly 4 front wall 41 and plastic adjustable plug 32, whose position on rod 8, 9 is determined by a threaded connection between nut 33 and rod 8, 9 end.
• Each rod 8, 9 features one adjustable plug 32.
• the location of each adjustable plug 32 with nut 33 on rod 8, 9 is determined by the tension in each main spring 31 and the main inner spring.
• Adjustment assembly 4 is constructed out of a chute with bottom 43, front wall 41 and back wall 42 with two longitudinal walls 44.
• the adjustment assembly 4 chute there is an auxiliary spring unit of the spring assembly, each constructed out two springs 35, 351 arranged one inside the other and seated on appropriate rod 8, 9 of the lifting device with different spring constants and opposite coil directions.
• Springs 35, 351 terminate on both ends with spring plugs 36, which move along appropriate rod 8, 9 with collet 81, 91 on it by front wall 41 inside adjustment assembly 4 chute.
• the adjustment assembly chute includes adjustable plate 45, with openings 451 for device rods 8, 9 and with arms 452 designed to be seated in adjustment assembly 4 chute longitudinal walls 44 edge grooves 441.
• Coupling assembly 5 comprises a layered structure hook, one which is constructed out of two flat outer elements 51 with flat inner element 52 between them and connected to one another using screws 53.
• Flat outer elements 51 feature coaxial through openings 511, which establish a socket for rod spigot 82, which, in its installed state, is located below second rod 9.
• the aforementioned second rod 9 also features spigot 92, which during coupling of coupling assembly 5 with sledge assembly 6 moves in hook flat outer elements' 51 openings, which are elongated openings 512 with the same curvature, so that second rod 9 spigot 92 moves in those elongated openings 512 simultaneously, during coupling assembly 5 rotation around the axis passing through device first rod 8 spigot 82.
• Flat inner element 52 includes ridge 521 which limits hook rotation relative to rod 8.
• Coupling assembly 5 includes a spring element in the form of flat spring 54 for self-positioning of coupling assembly 5 to its coupled position with sledge assembly 6.
• Flat spring 54 is seated in coupling assembly 5 flat inner element 52 socket, constituting slot 55 for seating flat spring 54 bent end.
• the second free flat spring 54 end abuts first rod 8.
• the hook features a ramp plate surface which slides along coupling peg (65) during coupling of the coupling assembly with the sledge assembly until coupling peg (65) enters the hook socket.
• Coupling assembly 5 hook in the coupled position on coupling peg 65 with sledge assembly 6 slider 62 transfers movement of rods 8, 9 via lifting arm 61 to roof window sash 2.
• Lifting arm 61 is rotatably attached to sledge assembly 6 slider 62 peg 63 and the axis of rotation passing through that peg 63 and slider 621 side walls, and the other end of lifting arm 61 is rotatably attached with intermediate arm z-section, such as disclosed in patent description PL231796B1 .
• Slider 62 moving inside chute 10 seated on jamb side stile. Slider 62 in the shape of a u-section, slides along chute 10 bottom, and to reduce friction slider 62 features plastic slide overlays 64, located between slider 62 and chute bottom 10. These overlays overlap slider 62 side walls 621.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Closing And Opening Devices For Wings, And Checks For Wings (AREA)
• Window Of Vehicle (AREA)

Applications Claiming Priority (1)

Publications (3)

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ID=89474316

Family Applications (1)

Country Status (2)

Families Citing this family (1)

Family Cites Families (9)

• 2023
  • 2023-01-27 PL PL443602A patent/PL443602A1/pl unknown
  • 2023-12-28 EP EP23220495.8A patent/EP4407133B1/en active Active

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