EP4435216B1 - Dachfensterscharnier und dachfenster mit diesem scharnier - Google Patents

Dachfensterscharnier und dachfenster mit diesem scharnier

Info

Publication number
EP4435216B1
EP4435216B1 EP24164152.1A EP24164152A EP4435216B1 EP 4435216 B1 EP4435216 B1 EP 4435216B1 EP 24164152 A EP24164152 A EP 24164152A EP 4435216 B1 EP4435216 B1 EP 4435216B1
Authority
EP
European Patent Office
Prior art keywords
gutter
slider
friction
hinge
path
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
EP24164152.1A
Other languages
English (en)
French (fr)
Other versions
EP4435216C0 (de
EP4435216A1 (de
Inventor
Micha Górowski
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.)
Fakro PP Sp zoo
Original Assignee
Fakro PP Sp zoo
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 Fakro PP Sp zoo filed Critical Fakro PP Sp zoo
Publication of EP4435216A1 publication Critical patent/EP4435216A1/de
Application granted granted Critical
Publication of EP4435216B1 publication Critical patent/EP4435216B1/de
Publication of EP4435216C0 publication Critical patent/EP4435216C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • E05D15/44—Suspension arrangements for wings supported on arms movable in vertical planes with pivoted arms and vertically-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
    • 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
    • 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
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/40—Physical or chemical protection
    • E05Y2800/412—Physical or chemical protection against friction
    • 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 hinge, especially for a window with evacuation properties and a roof window with that hinge.
  • a roof window sash lifting device has been disclosed in application P.443602. It is constructed out of spring assembly with at least one main spring, and with at least one auxiliary spring unit seated in the device adjusting assembly, coupling assembly, sledge assembly, wherein the spring assembly is seated on at least one rod which at one end terminates with an adjustable plug abut with main spring of the spring assembly, and the other end of the said rod is rotatably attached to the coupling assembly, and the coupling assembly is designed for a detachable attachment to the device sledge assembly, and the coupling assembly includes a spring element for self-positioning of the coupling assembly to its coupled position with the sledge assembly.
  • a roof window with hinge comprising supporting arm connecting sash with the frame, where on the frame there is a slider and a gutter, such that the slider and connected to it supporting arm moves in the gutter.
  • Outer surface of the slider comprises an exterior coating of a friction-dampening material, such as Teflon.
  • the gutter may be provided with friction-dampening material on the surfaces, where the slider slides.
  • a considerable friction between the slider and the gutter is desirable, for instance in order to obtain a holding function, such that the window may be open in a ventilating position, and in that case the slider and/or the gutter may be provided with a friction-increasing surface, for instance at selected places along the length of the rail.
  • the force required to close a window in the disclosed solutions changes as the angle by which a roof window is open changes.
  • the smaller the opening angle the smaller the force required to close a window.
  • the said force has to overcome, among others, friction occurring between the hinge gutter and its sledge assembly.
  • the force required to close a window is at its maximum when the hinge support is in its end position, wherein the pressure exerted by the sash on the jamb side stile by the said support attains a value, which alters the current friction between the gutter and the sledge assembly to such an extent that it hinders easy roof window closing or the return of the support to a position where it is relatively parallel to the jamb side stile.
  • the hinge according to claim 1 solves this problem by reducing friction between gutter bottom and sledge assembly using a friction reduction means during window closing, when the said friction in known disclosed solutions would reach a value hindering easy window closing or where the support is in its end position.
  • the roof window hinge is constructed out of an intermediate arm, which, in the roof window tilt opening function, rises together with the sash relative to the jamb.
  • the intermediate arm is mounted on both sides of the window to two sash side stiles. Whereas the intermediate arm is attached via a rotatable attachment to the gutter mounted on jamb side stiles.
  • the rotatable attachment constitutes a four-bar linkage constructed out of a system of spigots by the jamb upper stile and a roof window sash.
  • the hinge gutter comprises a sledge assembly in the form of a slider with a spigot for the roof window sash lifting device spring assembly coupling element.
  • the hinge also comprises a support between the intermediate arm and the slider, so that during roof window opening the slider rises together with the sash and its end rotatably attached to the slider moves together with it along the gutter.
  • the slider moves together with the support along the gutter bottom along path S, which comprises two sections, S1 and S2.
  • Friction T comprising friction components T1 and T2 occurs between the slider with the slide inserts and the gutter bottom.
  • Friction T occurs between the slider with the slide inserts and the gutter bottom.
  • the essence of the invention entails reducing friction T2'to T1 between the gutter bottom and sledge assembly in solutions disclosed to date by using a friction reduction means, in particular during roof window closing when the support is in the aforementioned end position, and thus the slider and support are located along section S1 of path S.
  • the friction reduction means comprises the gutter bottom fragment made out of a different material than the rest of the gutter, wherein that fragment is located along section S1 of path S taken by the slider along the gutter bottom.
  • the material which the slider is made out of does not change. Because of the properties of the gutter bottom fragment along section S1 of the path, friction T1 occurs between the said fragment and slider, and in particular the slide insert, and it is less than friction T2' between these elements in the absence of friction reduction means. Friction reduction is achieved by changing the friction coefficient between the two materials of the gutter bottom and of the slider slide insert with inserts, which is smaller for these two along section S1 of path S and larger along section S2 of path S.
  • the friction reduction means comprises a roller, or a bearing, or another element on the support spigot in the gutter.
  • the friction reduction means remains in a contactless function along section S2 of path S, and is in a contact function along section S1 of path S.
  • the transition process of the friction reduction means from the contactless function to the contact function during window opening may be described as follows: in the course of opening a window, as the sash tilt angle increases, the slider with the support and roller seated in the slider opening and partially in the gutter opening move along hinge gutter between sections S2 and S1.
  • the friction reduction means along section S1 of the path, between gutter bottom and sledge assembly slider comprises at least one roller in a jamb side stile aperture, which rolls on the bottom of the aperture in jamb side stile or has its own axis of rotation.
  • the hinge gutter features a gutter opening
  • the aperture on the bottom of the back slide insert is at least as wide as the gutter opening above the friction reduction means.
  • the aperture in the back slide insert is above the friction reduction means which remains in a contactless function along section S2 of path S.
  • the friction reduction means transitions from the contactless function to the contact function along section S1 of path S, wherein the back slide insert bottom is on the friction reduction means and friction changes from T2 along section S2 to T1.
  • contactless function sliding friction occurs between slider slide inserts 71, 72, whereas in the contact function, rolling friction occurs between back slide insert 72 and rollers 10. Friction reduction is achieved by changing the type of friction coefficient from sliding to rolling, so that the friction coefficient along section S1 is less than the friction coefficient along section S2 of path S.
  • the roof window hinge according to the invention through the application of friction reduction means along section S1 of the slider path along gutter bottom, makes it possible to reduce friction T2' between gutter bottom and slider with slide inserts in disclosed inventions, which makes roof window closing considerably easier as the force required to overcome that friction and close a window is considerably lower.
  • the roof window hinge is constructed out of intermediate arm 1, which, in the roof window tilt opening function, rises together with sash 2 relative to jamb 3.
  • Intermediate arm 1 is mounted on both sides of the window to two sash side stiles 21.
  • Intermediate arm 1 is attached via four-bar linkage 11 to gutter 4 mounted on jamb side stiles 31.
  • Hinge gutter 4 features a sledge assembly in the form of slider 6 with spigot 61 for roof window sash lifting device spring assembly 5 coupling element 51.
  • spring assembly 6 causes slider 5 to move along gutter 4 bottom.
  • Front slide insert 71 and back slide insert 72 made out of plastic are located between gutter 4 and slider 6.
  • the hinge also features support 8 between intermediate arm 1 and slider 6, so that during roof window opening slider 8 rises together with sash 2 and its end rotatably attached to slider 6 moves together with it along the gutter 4.
  • window closing slider 6 travels along path S which comprises at least two sections S1 and S2. While the slider is moving along path S1, support 8 reaches its end position, for which the force required to close the window increases considerably.
  • a friction reduction means was used, so as to make it easier for support 8 to travel from its end position in the direction of section S2 of the path.
  • the friction reduction means is a material used to make gutter bottom fragment 42 that is different than the material used to make the remaining part of the gutter.
  • FIG. 10 depicts a diagram of the aforementioned changes to friction between hinge elements in contact with each other and moving relative to each other during roof window closing for each embodiment.
  • support with slider is in its end position, and the window is open.
  • friction reduction means friction is T1
  • T2' friction between slider with slide inserts and gutter bottom
  • the roof window hinge is constructed out of intermediate arm 1, which, in the roof window tilt opening function, rises together with sash 2 relative to jamb 3.
  • Intermediate arm 1 is mounted on both sides of the window to two sash side stiles 21.
  • Intermediate arm 1 is attached via four-bar linkage 5 to gutter 4 mounted on jamb side stiles 31.
  • Hinge gutter 4 features a sledge assembly in the form of slider 6 with spigot 61 for roof window sash lifting device spring assembly 5 coupling element 51.
  • spring assembly 6 causes slider 5 to move along gutter 4 bottom.
  • Front slide insert 71 and back slide insert 72 made out of plastic are located between gutter 4 and slider 6.
  • the hinge also features support 8 between intermediate arm 1 and slider 6, so that during roof window opening support 8 rises together with sash 2 and its end rotatably attached to slider 6 moves together with it along the gutter 4.
  • Roller 9 is located on support 8 spigot in gutter 4, which constitutes the friction reduction means between gutter 4 bottom and slider 6, so that friction between gutter 4 bottom and roller 9 along section S1 of the path is T1.
  • the slider travels along path S which comprises sections S1 and S2. Whilst slider 6 is moving along section S1, roller 9 is in its contact function, where the roller exits gutter opening 41 to its bottom, along which it is guided, and rolling friction T1 occurs between gutter 4 bottom and slider 6. In that position slider 6 rises slightly relative to gutter 4 bottom.
  • roller 9 In moving slider 6 from section S1 to section S2, the roller transitions to its contactless function, where roller 9 is positioned in slider opening 62 and gutter opening 41, and slider 6 back slide insert 72 is flush with gutter 4 bottom. Then slide friction T2 occurs between slider 6 and gutter 4 bottom.
  • the roof window hinge differs from the hinge according to the second embodiment in that the friction reduction means constitutes roller assembly 10 in jamb side stile 31 aperture.
  • the friction reduction means constitutes roller assembly 10 in jamb side stile 31 aperture.
  • the slider travels along path S which comprises sections S1 and S2.

Landscapes

  • 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)
  • Hinges (AREA)
  • Wing Frames And Configurations (AREA)

Claims (4)

  1. Dachfensterscharnier, aufgebaut aus folgenden Elementen:
    - einem Zwischenarm (1), der über eine Drehverbindung mit einer Rinne (4) verbunden ist, wobei die Rinne (4) zur Befestigung am seitlichen Rahmenholz der Fensterzarge (31) vorgesehen ist,
    - einer Gleiteinheit, wobei die Gleiteinheit aus einem Schieber (6) besteht, der zur Bewegung auf dem Boden der Rinne (4) entlang eines Weges (S) vorgesehen ist, wobei sich zwischen dem Schieber (6) und dem Boden der Rinne (4) zwei Gleiteinsätze (71, 72) befinden und der Weg (S) zwei Abschnitte (S1) und (S2) aufweist,
    - einer Stütze (8), wobei die Stütze (8) drehbar über Zapfen mit dem Zwischenarm (1) sowie mit der Gleiteinheit (6) des Scharniers verbunden ist, wobei in der geöffneten Fensterstellung die Stütze (8) zusammen mit der Gleiteinheit (6) eine Endstellung im Abschnitt (S1) des Weges (S) der Gleiteinheit entlang der Rinne (4) einnimmt
    - sowie dass beim Öffnen und Schließen des Fensters zwischen dem Schieber (6) mit den Gleiteinsätzen (71, 72) und dem Boden der Rinne (4) eine Reibung (T) mit den Komponenten (T1) und (T2) auftritt
    - wobei das Scharnier ein Mittel zur Verringerung der Reibkraft (9, 10) von dem Wert T2' auf T1 zwischen der Gleiteinheit (6) und dem Boden der Rinne (4) im Abschnitt (S1) des Weges (S) aufweist und wobei das Mittel zur Verringerung der Reibkraft in zwei Funktionen ausgeführt ist, von denen eine als kontaktlose Funktion bezeichnet ist, in der das Mittel zur Verringerung der Reibkraft (9) inaktiv ist, sowie eine Kontaktfunktion, in der das Mittel zur Verringerung der Reibkraft (9) aktiv ist
    dadurch gekennzeichnet, dass das Mittel zur Verringerung der Reibkraft ein Wälzlager auf einem Zapfen der Stütze in der Rinne des Scharniers ist, wobei sich im Boden der Rinne eine Rinnenöffnung (41) und im Boden des Schiebers eine Schieberöffnung (62) befinden, und wobei der Schieber (6) der Gleiteinheit mit dem Boden der Rinne (4) des Scharniers über die Gleiteinsätze (71, 72) in Kontakt steht, derart, dass sich das Wälzlager im kontaktlosen Funktionszustand im Abschnitt (S2) des Weges (S) befindet, in welchem Funktionszustand sich das Wälzlager in der Schieberöffnung (62) sowie teilweise in der Rinnenöffnung (41) befindet, sowie dass sich das Wälzlager im Kontaktfunktionszustand entlang des Abschnitts (S1) des Weges (S) befindet, in welchem Funktionszustand das Wälzlager aus der Rinnenöffnung (41) herausragt und mit dem Boden der Rinne (4) in Kontakt steht, derart, dass der Schieber gegenüber der Rinne angehoben ist.
  2. Scharnier nach Anspruch 1, dadurch gekennzeichnet, dass der Zwischenarm (1) über ein Gelenkviereck mit der Rinne (4) verbunden ist.
  3. Dachfenster, aufgebaut aus einer Zarge sowie einem Flügel, dadurch gekennzeichnet, dass der Flügel (2) in der Zarge (3) mittels eines Scharniers nach den Ansprüchen 1-2 aufgehängt ist.
  4. Dachfenster nach Anspruch 3, dadurch gekennzeichnet, dass die Gleiteinheit (6) einen Zapfen (61) aufweist, der mittels eines Eingriffselements (51) mit der Federbaugruppe (5) der Vorrichtung zum Anheben des Dachfensterflügels verbunden ist.
EP24164152.1A 2023-03-21 2024-03-18 Dachfensterscharnier und dachfenster mit diesem scharnier Active EP4435216B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL444145A PL444145A1 (pl) 2023-03-21 2023-03-21 Zawias okna dachowego oraz okno dachowe z tym zawiasem

Publications (3)

Publication Number Publication Date
EP4435216A1 EP4435216A1 (de) 2024-09-25
EP4435216B1 true EP4435216B1 (de) 2026-03-04
EP4435216C0 EP4435216C0 (de) 2026-03-04

Family

ID=90366489

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24164152.1A Active EP4435216B1 (de) 2023-03-21 2024-03-18 Dachfensterscharnier und dachfenster mit diesem scharnier

Country Status (2)

Country Link
EP (1) EP4435216B1 (de)
PL (1) PL444145A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK202470168A1 (en) * 2024-06-18 2026-01-08 Vkr Holding As Roof window with a lifting device with a selective top bearing fitting

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8115964U1 (de) * 1981-05-29 1981-09-24 Wilh. Frank Gmbh, 7022 Leinfelden-Echterdingen Dachfenster
DK200301454A (da) * 2003-10-03 2005-04-04 Vkr Holding As Gliderindretning, vindue med en sådan gliderindretning samt fremgangsmåde til montering af en ramme i et sådant vindue
CA2715866C (en) * 2009-09-28 2016-03-22 Truth Hardware Corporation Concealed casement window hinge with roller and integral shipping block
PL231796B1 (pl) * 2017-01-16 2019-04-30 Fakro Pp Spolka Z Ograniczona Odpowiedzialnoscia Zespół ramienia pośredniego w dwufunkcyjnym oknie dachowym

Also Published As

Publication number Publication date
PL444145A1 (pl) 2024-09-23
EP4435216C0 (de) 2026-03-04
EP4435216A1 (de) 2024-09-25

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