EP3486413B1 - Drehgelenk mit verbesserten reibungseigenschaften - Google Patents

Drehgelenk mit verbesserten reibungseigenschaften Download PDF

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Publication number
EP3486413B1
EP3486413B1 EP18207522.6A EP18207522A EP3486413B1 EP 3486413 B1 EP3486413 B1 EP 3486413B1 EP 18207522 A EP18207522 A EP 18207522A EP 3486413 B1 EP3486413 B1 EP 3486413B1
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EP
European Patent Office
Prior art keywords
hinge
guide pin
pin
window
guide
Prior art date
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Application number
EP18207522.6A
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English (en)
French (fr)
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EP3486413A1 (de
Inventor
Michael Galsgård Holm
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VKR Holding AS
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VKR Holding AS
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Publication date
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Publication of EP3486413A1 publication Critical patent/EP3486413A1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D1/00—Pinless hinges; Substitutes for hinges
    • E05D1/04—Pinless hinges; Substitutes for hinges with guide members shaped as circular arcs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E05D7/08—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E05D7/08—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions
    • E05D7/082—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions the pivot axis of the wing being situated at a considerable distance from the edges of the wing, e.g. for balanced wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E05D7/08—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions
    • E05D7/082—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions the pivot axis of the wing being situated at a considerable distance from the edges of the wing, e.g. for balanced wings
    • E05D7/083—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions the pivot axis of the wing being situated at a considerable distance from the edges of the wing, e.g. for balanced wings with a fixed pivot axis
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E05D7/08—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions
    • E05D7/082—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions the pivot axis of the wing being situated at a considerable distance from the edges of the wing, e.g. for balanced wings
    • E05D7/086—Braking devices structurally combined with hinges
    • 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
    • E05Y2201/21—Brakes
    • 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
    • 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 hinge for a pivotal window with a frame and a sash connected to the frame at a hinge axis.
  • the hinge provides a pivoting movement for the window and comprises a first hinge part to be secured on the frame.
  • the first hinge part includes a first base plate, a braking device with a leaf spring, and control means in the form of an arc shaped, preferably circular-arc shaped, guide.
  • the hinge further comprises a second hinge part to be secured on the sash.
  • the second hinge part includes a second base plate and an engagement set with a slide bar and a guide pin.
  • the arc shaped, preferably circular-arc shaped, guide cooperates with the engagement set.
  • the slide bar is adapted to fit in the guide and is rotationally mounted on the second base plate.
  • the guide pin is mounted on the second base plate.
  • the leaf spring is, during at least a part of the pivoting movement, in a frictional engagement with at least one element of the engagement set of the second hinge part.
  • Such a hinge is known in the art and used for a pivotal window, e.g. a roof window installed in an inclined roof surface, to provide a pivoting movement, i.e. the sash turning about a hinge axis at a distance from the top and bottom member, alternatively the side members, of the sash and of the frame.
  • the hinge comprises two extreme positions, between which one, a plurality or a continuum of intermediate positions is defined.
  • the extreme positions include a position in which the pivotal window is closed and a position in which the window sash and thus the second hinge part is turned outside at a maximum in relation to the closing position.
  • both extreme and intermediate positions of the window it is desirable to have the window remain in the set position, such that the window does not unintentionally pivot by internal or external forces after setting the position of the window.
  • Internal forces may for instance be the weight of the window, and external forces may for instance be wind loading.
  • Prevention of unintentional pivoting caused by internal forces can be achieved by providing enough friction in the hinge to overcome the pivotal moment of the window, i.e. the opening and the closing moment, for the range of desired intermediate positions.
  • the opening and closing moment of the window depend among others on the roof angle and the type of window.
  • the hinge friction cannot overcome the pivotal moment and as such these intermediate positions are unstable.
  • EP1612352A1 , WO 85/02646 and WO 99/28581 are examples of prior art devices which have proven to function well. However, as the general tendency of an increased weight of in particular the pane to increase the thermal properties there is an ongoing demand for devices having even further improved operational properties.
  • WO 01/31155 A1 in which two spaced guide members of a first hinge part define a passageway for a slide member of a second hinge part.
  • the two guide members and/or the slide member are all formed of a hard wearing plastics material.
  • EP 2 339 103 A2 in which the curved slide member includes a recess in which the guide pin is received such that the width of the curved slide member at the recess with the guide pin received therein is equal or slightly less than the width of the rest of the curved slide member.
  • a hinge of the kind mentioned in the introduction which is furthermore characterised in that the guide pin comprises a tensioning projection and an adjoining convex side.
  • the tensioning projection of the guide pin is positioned to face the slide bar during at least a part of the pivoting movement.
  • the guide pin, potentially the convex side of the guide pin is able to remain in a frictional engagement with the leaf spring during the pivoting movement of the window.
  • This has the advantage that during the entry of the guide pin and the slide bar into the guide, i.e. when closing the window from a large opening angle, the leaf spring will remain stressed and as such provide sufficient friction.
  • the slide bar avoids experiencing a stress spike when entering the guide and engaging the leaf spring due to the guide pin already having prestressed the leaf spring before the slide bar engages the leaf spring. This has the advantage that the deterioration rate of the hinge is reduced.
  • Another advantage of providing the hinge in this way may be that a larger surface area is in frictional engagement with the leaf spring during the part of the pivoting movement since the adjoining convex side extends further.
  • the leaf spring is, during at least a part of the pivoting movement, in a frictional engagement with the convex side of the guide pin and/or the tensioning projection of the guide pin. This may provide the advantage that a relatively large surface is used for the frictional engagement and thus stress spikes during the pivoting movement of the window may be reduced.
  • the guide pin may comprise a nose, potentially positioned on an opposite side of the guide pin relative to the tensioning projection.
  • the nose may extend at the concave side of the guide pin.
  • a side of the nose may be integral and/or continuous with the concave side of the guide pin.
  • the nose may comprise a side adjacent to the concave side of the guide pin and may form an integral and/or continuous surface, which may be configured to press against a side, potentially a concave side, of the guide opposite the leaf spring during at least a part of the pivoting movement of the window.
  • a distance between the tensioning projection of the guide pin and the slide bar along a tangential direction of a convex side of the guide, when the window is in the closed position is less than 10 mm, preferably less than 5 mm, more preferably less than 2 mm. It is understood that the distance is measured along a tangential direction of a convex side of the guide wherein the curvature of the convex side of the guide is extended towards the guide pin.
  • the distance is measured along the circular arc of the convex side of the guide.
  • the slide bar and the guide pin defining a gap when the window is in a closed position.
  • the gap comprises a central section which has substantially parallel edges. The distance between these edges is preferably less than 5 mm, more preferably less than 3 mm, or even more preferably less than 2 mm.
  • the gap may comprise boundary sections at each end of the gap with the central section located in between the boundary sections. This has the advantage that the guide pin has increased stiffness due to filling the available space within tolerance limits which increases the amount of friction that the guide pin can provide.
  • the guide pin comprises a circular arc shaped surface with a centre of curvature substantially located at, preferably coinciding with, the rotational axis of the slide bar. This has the advantage that the guide pin has increased stiffness due to filling the available space within tolerance limits which increases the amount of friction that the guide pin can provide.
  • the leaf spring includes at least one elbow portion.
  • the elbow portion defines an angle or discontinuity between the extent of two adjacent portions of the leaf spring.
  • the elbow portion, adjacent portions or both may, during at least a part of the pivoting movement, be in a frictional engagement with at least one element of the engagement set of the second hinge part.
  • the braking device is arranged such that the elbow portion of the leaf spring is pointing away from the hinge axis. This provides the advantage that the friction characteristics of the hinge may be configured during various intermediate positions of the window and as such friction may be increased for some intermediate positions.
  • the leaf spring further includes a plurality of portions; a first end portion connected to a first curved portion connected by the elbow portion to a second curved portion connected to a second end portion, wherein the first end portion being adapted to connect to a first pin of the first hinge part, and wherein the second end portion being adapted to connect to a second pin of the first hinge part.
  • the first curved portion and the second curved portion are preferably circular arc shaped. This has the advantage that the leaf spring can be configured to desired levels of friction at various intermediate positions of the window, such that friction is increased as desired at intermediate positions.
  • the leaf spring is adapted to abut a third pin of the first hinge part during at least part of the pivotal movement of the window. This has the advantage of allowing the leaf spring to further stiffen and thus provide additional friction at certain intermediate positions.
  • the centre of curvature of the first curved portion is different from the centre of curvature of the second curved portion. This has the advantage that the curved portions can be configured to provide the desired friction at various intermediate positions of the window, such that friction is increased as desired at intermediate positions.
  • the first and/or the second curved portion of the leaf spring in particular the curvature thereof, is/are adapted such that the leaf spring is in a frictional engagement during the pivotal movement of the window.
  • the radius of curvature of the first curved portion is at least 70 mm. It has been found that a first curved portion with a curvature in this interval provides the desired friction.
  • the radius of curvature of the second curved portion is in the interval of 80 - 160 mm, preferably in the interval of 100 - 140 mm, more preferably in the interval of 110 - 130. It has been found that a second curved portion with a curvature in these intervals provides the desired friction.
  • the guide pin is non-rotatably mounted to the second base plate such that the guide pin is not allowed to rotate in relation to the second base plate. This has the advantage that the orientation of the guide pin is known throughout the pivoting movement of the hinge such that the friction caused by the guide pin can be configured accurately.
  • the guide pin has a droplet shaped cross section in a cross-sectional plane normal to the hinge axis.
  • the guide pin comprises a coating, in particular a polyolefin coating, adapted to reduce the wear of the frictional engagement.
  • circular arc is understood to constitute a part of the circumference of a circle.
  • circular arc shaped is understood to constitute the shape or outline of an element when viewed from a cross-sectional plane normal to the hinge axis.
  • Figs 1 to 6 a general overview of the components of a hinge according to the invention will first be given.
  • the hinge is configured to be installed in a pivotal window with a frame and a sash connected to the frame.
  • the hinge is configured to provide a pivoting movement for the window in that the sash is able to turn relative to the frame about a hinge axis represented by reference numeral 17 in Figs 4 to 6 .
  • the hinge comprises a first hinge part 1 to be secured on the frame and including a first base plate 2, a braking device with a leaf spring 15, and control means in the form of an arc shaped, preferably circular-arc shaped, guide 7, and a second hinge part 3 to be secured on the sash and including a second base plate 4 and an engagement set with a slide bar 8 and a guide pin 10.
  • the guide 7 is defined in a plate piece 6 of the first hinge part 1 and comprises a convex side or wall and a concave side or wall. Opposite the guide 7, a recess 14 is formed in the plate piece 6.
  • the slide bar has a concave side 8b, a convex side 8c and a hinge end 8d connected to a hinge pin 9 mounted on the second base plate 4. Finally, a stop pin 9a is provided on the base plate 4 as in traditional hinges.
  • the slide bar is here provided with a leading end 8a with a surface 8e to be accommodated by a gap surface 10d of the guide pin 10 to be described in further detail below.
  • the arc shaped guide 7 cooperates with the engagement set, the slide bar 8 being adapted to fit in the guide 7 and being rotationally mounted on the second base plate 4, the guide pin 10 being mounted on the second base plate 4.
  • the leaf spring 15 is, during at least a part of the pivoting movement, in a frictional engagement with at least one element of the engagement set of the second hinge part 3. Which part depends on the actual position of the element in question.
  • the leaf spring 15 includes at least one elbow portion 15c and the guide pin 10 comprises a tensioning projection 10a.
  • the guide pin 10 has a cross section shaped as a droplet, in which the tensioning projection 10a is associated with a concave side 10b and a convex side 10c opposite the gap surface 10d.
  • the material of the guide pin 10 is chosen to provide the frictional and wearability properties aimed at, and is typically made of steel.
  • One specific material that has proven to function well is the commercially available VN 24.H20005.96.
  • the leaf spring may be provided according to the EN 10270-1 standard and is typically made of steel.
  • the distance may be chosen according to the specific field of application of the hinge; typically, the distance is less than 10 mm. preferably less than 5 mm, more preferably less than 2 mm.
  • the slide bar 8 and the guide pin 10 define a gap 16 comprising a central section 16a having substantially parallel edges and preferably a width less than 5 mm, more preferably less than 3 mm, even more preferably less than 2 mm.
  • the guide pin 10 comprises a circular arc shaped surface with a centre of curvature substantially located at, preferably coinciding with, the rotational axis of the slide bar 8.
  • the leaf spring 15 includes a plurality of portions. These portions include a first end portion 15a connected to a first curved portion 15b connected by the elbow portion 15c to a second curved portion 15d connected to a second end portion 15e.
  • the first end portion 15a is adapted to connect to a first pin 5a of the first hinge part 1
  • the second end portion 15e is adapted to connect to a second pin 5b of the first hinge part 1.
  • the first curved portion 15b and the second curved portion 15d are preferably circular arc shaped.
  • leaf spring 15 is in the embodiment shown adapted to abut a third pin 5c of the first hinge part 1 during at least part of the pivotal movement of the window.
  • the second end portion 15e is adapted to connect to a second pin 5b of the first hinge part 1 in an operation position and in an assembly position, the operation position being the position of the pin when the window is in a mounted state, and the assembly position being a position where the connection and/or disconnection of the first end portion 15a to the second pin 5b is allowed.
  • the specific shape of the leaf spring 15 along the path from one end to the other will typically be chosen according to the requirements to the hinge in accordance with factors such as the size and weight of the components of the window, most importantly the weight of the pane and the sash.
  • the centre of curvature of the first curved portion 15b is different from the centre of curvature of the second curved portion 15d.
  • the radius of curvature of the second curved portion 15d is in the interval of 80 - 160 mm, preferably in the interval of 100 - 140 mm, more preferably in the interval of 110 - 130 mm.
  • this may in principle be chosen in any suitable manner, ranging from a radius of curvature smaller than the second curved portion 15d up to substantially straight.
  • the radius of curvature is larger than 70 mm, for instance 74 mm.
  • connection between the guide pin and the base plate may in principle be carried out in any suitable manner.
  • the guide pin 10 is nonrotatably fixed to the second base plate 4 such that the guide pin 10 is not allowed to rotate in relation to the second base plate 4. Specifically, this is carried out by means of the oblong mounting projection 10e protruding from a side of the body 10f of the guide pin 10 but other ways of ensuring the nonrotatability is conceivable as well.
  • this second embodiment of the guide pin 10 corresponds to the first embodiment except in that, this second embodiment of the guide pin 10 includes a nose 10g positioned on an opposite side of the guide pin 10 relative to the tensioning projection 10a.
  • the nose 10g comprises a side adjacent to the concave side 10b of the guide pin 10 and forms an integral and continuous surface, which is configured to press against a side of the guide 7 opposite the leaf spring 15 during at least a part of the pivoting movement of the window.
  • the nose 10g extends less than the body 10f of the guide pin 10 in a direction of the hinge axis so that the nose fits in a spacing between the plate piece 6 and the first base plate 2 when the hinge is in the closed position.
  • Figs. 10 to 13 are graphs showing computer simulated curves for the hinge moments in Nm relative to the opening angle degree are shown for various roof inclinations.
  • the dashed and the dotted lines respectively indicate the hinge moment in the closing direction and in the opening direction.
  • the solid lines indicate the sash moment when a roof window is installed at various different roof angles.
  • the hinge friction in the closing direction should be greater than the sash moment, while the hinge friction in the opening direction should be lower than the sash moment.
  • the hinge friction in the closing direction drops below the sash moment which causes the window to close.
  • Fig. 11 shows the improvement in hinge friction when incorporating a hinge according to the invention in a roof window with the sash moment characteristics as shown in Fig. 10 .
  • the hinge friction in the closing direction no longer sharply drops and stays above the sash moment for the indicated roof angles.
  • the difference between hinge friction in the opening direction and the sash moment for all indicated opening angles has also increased.
  • Fig. 12 shows a different prior art window than in Fig. 10 and thus the curves are somewhat different.
  • the hinge friction in the closing direction drops below the sash moment at around 25 degrees
  • the hinge friction in the opening direction is above the sash moment at 90 degrees for all opening angles between 0 degrees to 45 degrees.
  • Fig. 13 shows the improvement in hinge friction when incorporating a hinge according to the invention in a roof window with the sash moment characteristics as shown in Fig. 12 , where the hinge incorporates only a new guide pin and an existing leaf spring.
  • the hinge friction in the closing direction now stays above the sash moment at 15 degrees for all opening angles.
  • the negative moment of the hinge friction in the opening direction is increased such that it falls below the sash moment at a 90 degree roof angle at an opening angle of about 30 degrees.
  • a new guide pin provides the desired friction, while the combination of a guide pin and a leaf spring according to the invention may provide additional friction.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Claims (14)

  1. Scharnier für ein schwenkbares Fenster mit einem Rahmen und einem mit dem Rahmen verbundenen Flügel, wobei das Scharnier eine Schwenkbewegung für das Fenster um eine Scharnierachse (17) bereitstellt und umfasst;
    einen ersten Scharnierteil (1), der an dem Rahmen zu befestigen ist und eine erste Grundplatte (2), eine Bremsvorrichtung mit einer Blattfeder (15) und Steuermittel in Form einer bogenförmigen, vorzugsweise kreisbogenförmigen, Führung (7) umfasst;
    einen zweiten Scharnierteil (3), der an dem Flügel zu befestigen ist und eine zweite Grundplatte (4) und einen Eingriffssatz mit einer Gleitleiste (8) und einem Führungsstift (10) umfasst,
    wobei die bogenförmige, vorzugsweise kreisbogenförmige, Führung (7) mit dem Eingriffssatz zusammenwirkt, wobei die Gleitleiste (8) dazu ausgelegt ist, in die Führung (7) zu passen, und drehend an der zweiten Grundplatte (4) montiert ist, wobei der Führungsstift (10) an der zweiten Grundplatte (4) montiert ist,
    wobei die Blattfeder (15), während zumindest eines Teils der Schwenkbewegung, in einem reibschlüssigen Eingriff mit mindestens einen Element des Eingriffssatzes des zweiten Scharnierteils (3) steht,
    dadurch gekennzeichnet, dass der Führungsstift (10) einen Spannvorsprung (10a) und eine benachbarte konvexe Seite (10c) umfasst, so dass der Führungsstift (10) während der Schwenkbewegung des Fensters in einem reibschlüssigen Eingriff mit der Blattfeder (15) bleiben kann, und dass der Spannvorsprung (10a) des Führungsstifts (10) so positioniert ist, dass er während zumindest eines Teils der Schwenkbewegung der Gleitleiste (8) zugewandt ist.
  2. Scharnier nach einem der vorhergehenden Ansprüche, wobei der Führungsstift (10) eine konkave Seite umfasst, die gegenüber der konvexen Seite (10c) positioniert und dazu ausgelegt ist, in reibschlüssigem Eingriff mit einer Seite der Führung (7) gegenüber der Blattfeder (15) zu stehen, wobei der Führungsstift (10) ferner eine Nase (10g) umfasst, die angrenzend an die konkave Seite und gegenüber dem Spannvorsprung (10a) positioniert ist.
  3. Scharnier nach einem der vorhergehenden Ansprüche, wobei, in einer geschlossenen Position des Fensters, ein Abstand zwischen dem Spannvorsprung (10a) des Führungsstifts (10) und der Gleitleiste (8) entlang einer tangentialen Richtung einer konvexen Seite der Führung (7) kleiner als 10 mm, vorzugsweise kleiner als 5 mm, stärker bevorzugt kleiner als 2 mm ist.
  4. Scharnier nach einem der vorhergehenden Ansprüche, wobei, in einer geschlossenen Position des Fensters, die Gleitleiste (8) und der Führungsstift (10) einen Spalt (16) definieren, der einen mittleren Abschnitt (16a) mit im Wesentlichen parallelen Kanten und vorzugsweise einer Breite kleiner als 5 mm, stärker bevorzugt kleiner als 3 mm, noch stärker bevorzugt kleiner als 2 mm umfasst.
  5. Scharnier nach einem der vorhergehenden Ansprüche, wobei der Führungsstift (10) eine kreisbogenförmige Fläche mit einem Krümmungsmittelpunkt umfasst, der im Wesentlichen an, vorzugsweise sich deckend mit, der Drehachse der Gleitleiste (8) angeordnet ist.
  6. Scharnier nach einem der vorhergehenden Ansprüche, wobei die Blattfeder (15) mindestens einen Winkelabschnitt (15c) umfasst.
  7. Scharnier nach einem der vorhergehenden Ansprüche, wobei die Blattfeder (15) eine Mehrzahl von Abschnitten umfasst; wobei ein erster Endabschnitt (15a) mit einem ersten gekrümmten Abschnitt (15b) verbunden ist, der durch den Winkelabschnitt (15c) mit einem zweiten gekrümmten Abschnitt (15d) verbunden ist, der mit einem zweiten Endabschnitt (15e) verbunden ist, wobei der erste Endabschnitt (15a) dazu ausgelegt ist, mit einem ersten Stift (5a) des ersten Scharnierteils (1) verbunden zu sein, und wobei der zweite Endabschnitt (15e) dazu ausgelegt ist, mit einem zweiten Stift (5b) des ersten Scharnierteils (1) verbunden zu sein, und wobei der erste gekrümmte Abschnitt (15b) und der zweite gekrümmte Abschnitt (15d) vorzugsweise kreisbogenförmig sind.
  8. Scharnier nach Anspruch 6, wobei die Blattfeder (15) dazu ausgelegt ist, während zumindest eines Teils der Schwenkbewegung des Fensters an einem dritten Stift (5c) des ersten Scharnierteils (1) anzuliegen.
  9. Scharnier nach einem der Ansprüche 6 und 7, wobei der zweite Endabschnitt (15e) dazu ausgelegt ist, in einer Betriebsposition und in einer Montageposition mit dem zweiten Stift (5b) des ersten Scharnierteils (1) verbunden zu sein, wobei die Betriebsposition die Position des Stifts ist, wenn sich das Fenster in einem eingebauten Zustand befindet, und die Montageposition eine Position ist, in der die Verbindung und/oder Trennung des ersten Endabschnitts (15a) mit dem zweiten Stift (5b) möglich ist.
  10. Scharnier nach einem der Ansprüche 6 bis 8, wobei der Krümmungsmittelpunkt des ersten gekrümmten Abschnitts (15b) sich von dem Krümmungsmittelpunkt des zweiten gekrümmten Abschnitts (15d) unterscheidet.
  11. Scharnier nach einem der Ansprüche 6 bis 9, wobei der Krümmungsradius des ersten gekrümmten Abschnitts (15b) mindestens 70 mm beträgt.
  12. Scharnier nach einem der Ansprüche 6 bis 10, wobei der Krümmungsradius des zweiten gekrümmten Abschnitts (15d) im Bereich von 80 - 160 mm, vorzugsweise im Bereich von 100 - 140 mm, stärker bevorzugt im Bereich von 110 - 130 mm liegt.
  13. Scharnier nach einem der vorhergehenden Ansprüche, wobei der Führungsstift (10) drehfest an der zweiten Grundplatte (4) fixiert ist, so dass der Führungsstift (10) sich nicht in Relation zu der zweiten Grundplatte (4) drehen kann.
  14. Scharnier nach einem der vorhergehenden Ansprüche, wobei der Führungsstift (10) in einer Querschnittsebene normal zur Scharnierachse einen tropfenförmigen Querschnitt aufweist.
EP18207522.6A 2017-11-21 2018-11-21 Drehgelenk mit verbesserten reibungseigenschaften Active EP3486413B1 (de)

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CN110578436B (zh) * 2019-10-12 2021-03-12 江苏亚太特种铸钢厂有限公司 环形自锁式缓冲门轴
PL3828360T3 (pl) 2019-11-29 2024-06-03 Vkr Holding A/S System do instalacji okna i sposób instalacji okna dachowego
EP3872274A1 (de) 2020-02-27 2021-09-01 VKR Holding A/S Fensterinstallationssystem und verfahren zur installation eines dachfensters
EP3916187B1 (de) 2020-05-29 2024-06-12 VKR Holding A/S Dachfensterinstallationssystem und verfahren zur installation eines dachfensters
EP3971363A1 (de) 2020-09-22 2022-03-23 VKR Holding A/S Ein dachfenster mit einem verbesserten scheibenelement und verfahren zur herstellung eines dachfensters
DK181529B1 (en) 2021-07-05 2024-04-05 Vkr Holding As Handling and installation assembly

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DK150661C (da) * 1983-12-15 1988-06-06 Rasmussen Holding As V Kann Haengselbeslag med fjederbremsning til vippevinduer
GB9925007D0 (en) * 1999-10-22 1999-12-22 Keystone Lintels Ltd Hinge for pivot window
EP1612352B1 (de) * 2004-07-02 2006-12-06 VKR Holding A/S Gelenkbeschlag für ein Drehfenster
EP2339103A3 (de) * 2009-12-22 2014-04-23 VKR Holding A/S Scharnier für Drehflügelfenster

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