EP4560100B1 - Lasterleichterungsvorrichtung für türen oder fenster - Google Patents

Lasterleichterungsvorrichtung für türen oder fenster

Info

Publication number
EP4560100B1
EP4560100B1 EP24214144.8A EP24214144A EP4560100B1 EP 4560100 B1 EP4560100 B1 EP 4560100B1 EP 24214144 A EP24214144 A EP 24214144A EP 4560100 B1 EP4560100 B1 EP 4560100B1
Authority
EP
European Patent Office
Prior art keywords
transfer unit
containment body
load transfer
load
elastic element
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
EP24214144.8A
Other languages
English (en)
French (fr)
Other versions
EP4560100A1 (de
Inventor
Peter Reginald SANTO
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.)
Giesse SpA
Original Assignee
Giesse SpA
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 Giesse SpA filed Critical Giesse SpA
Publication of EP4560100A1 publication Critical patent/EP4560100A1/de
Application granted granted Critical
Publication of EP4560100B1 publication Critical patent/EP4560100B1/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
    • E05D15/48—Suspension arrangements for wings allowing alternative movements
    • E05D15/52—Suspension arrangements for wings allowing alternative movements for opening about a vertical as well as a horizontal axis
    • E05D15/526—Safety devices
    • 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
    • E05F7/00—Accessories for wings not provided for in other groups of this subclass
    • E05F7/06—Devices for taking the weight of the wing, arranged away from the hinge axis
    • 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
    • E05D15/52—Suspension arrangements for wings allowing alternative movements for opening about a vertical as well as a horizontal axis
    • E05D15/526—Safety devices
    • E05D2015/5263—Safety devices acting parallel to the plane of the wing
    • 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
    • E05Y2201/10—Covers; Housings
    • 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
    • E05Y2201/25—Mechanical means for force or torque adjustment therefor
    • 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
    • E05Y2201/474—Compression 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/644—Flexible elongated pulling elements
    • E05Y2201/654—Cables
    • 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
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/696—Screw mechanisms
    • 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
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/696—Screw mechanisms
    • E05Y2201/70—Nuts
    • 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
    • E05Y2600/10—Adjustable
    • E05Y2600/12—Adjustable by manual operation
    • 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
    • E05Y2800/25—Emergency conditions
    • E05Y2800/252—Emergency conditions the elements functioning only in case of emergency
    • 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
    • E05Y2900/132—Doors
    • 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

Definitions

  • This invention relates to a device for lightening the load for doors or windows.
  • the device according to the invention is applicable on doors or windows comprising a fixed frame and a movable frame or sash formed with components made of metal, PVC or PVC-wood, having a profile with at least one perimeter channel for fastening the operating and opening/closing accessories of the door or window including at least one lower hinge and an upper hinge which connect, on a relative side, the fixed frame and the movable frame.
  • hinge models for this type of door or window are of the so-called “concealed” type, that is to say, they are hinges which, with the door or window mounted, are not visible on the front of the closed door or window, whilst they are partly visible (the portion of structure fixed to the fixed frame) with the door or window open.
  • the hinge applied beneath the door or window basically comprises a first fixed body associated with the fixed frame close to a corner joint and a second movable body connected to the sash and, in particular, in the lower corner zone.
  • the lower hinge must therefore support, in a cantilever fashion, a large part of the weight of the movable frame, in particular when the frame is open in the form of a sash.
  • This hinge structure may have some mechanical sealing problems if the door or window has, for particular applications, heavy weights both due to their dimensions and the presence of complex glazing.
  • Devices are used for this type of situation for lightening or unloading the weight of the sash on the hinge.
  • a known load lightening device comprises:
  • the spring element is preloaded inside the body which will be associated with the movable frame or sash as a function of the planned weight of the sash, but once the device is applied to the door or window any load differences present and not provided for cannot be compensated by a different load of the spring and consequently by the load transfer unit.
  • the spring element may, over time and during use, modify its response to the load, for example due to wear.
  • This different response of the spring could increase the load on the components of the hinge with the risk of breakage of the hinge if rapid maintenance (with removal of the device) or a change of the device is not performed.
  • EP 1 837 472 B1 , DE 10 2010 043739 A1 , CN 217 028 506 U and CN 116 480 240 A disclose several load lightening devices with spring tensioning adjustment means. From those devices, only the one disclosed in EP 1 837 472 B1 discloses adjustment means on the side of the first end of the unit for transferring the load.
  • the aim of this invention is to propose a device for lightening the load for doors or windows which can adjust the response of the load of the door or window in a simple and fast manner and without assembly or dismantling of the device itself.
  • the device for lightening the load according to the invention labelled 100 in its entirety, is used on doors or windows.
  • the device 100 is used on doors or windows having a fixed frame 1 and a movable frame 2 which can be opened at least by turning or tilting and connected together through a lower hinge 3 and an upper hinge (not illustrated).
  • the device 100 for lightening the load comprises a bracket 4 associated with the fixed frame 1 (in particular on an upright of the fixed frame 1).
  • the device 100 comprises a containment body 5 associated with the movable frame 2 (in particular on an upright of the movable frame 2 and close to the lower hinge 3).
  • the device 100 also comprises a unit 6 for transferring the load constrained, at a first end, to the bracket 4 and housed, with the second end, in the containment body 5.
  • the device 100 comprises an elastic element 7 housed inside the containment body 5 associated with the movable frame 2 and held between a first end of the containment body 5 and the second end of the load transfer unit 6 housed in the containment body 5.
  • the load lightening device 100 also comprises a contact element 8 associated with the second end of the load transfer unit 6 housed in the containment body 5 and designed for retaining an end of the elastic element 7.
  • the device 100 also comprises means 9 for adjusting the tensioning of the load transfer unit 6 positioned between the bracket 4 and the first end of the load transfer unit 6 and configured, in use, for modifying the position of the contact element 8 inside the containment body 5, in both directions, in such a way as to compress or decompress the elastic element 7 along the containment body 5 in such a way as to modify the load of the device 100.
  • the load lightening device can be adjusted with the preloading of the elastic element directly through a simple operation on the part of the external load transfer unit and positioned on the fixed frame without further operations on the containment body or on the elastic element contained in the containment body.
  • the load transfer unit 6 comprises a flexible cable (for example, made of metal).
  • the contact element 8 comprises a (circular) plate associated with the second end of the load transfer unit 6.
  • the plate is positioned in contact with the relative end of the elastic element 7 in such a way as to allow a thrust action or a release on/of the elastic element 7 corresponding to a relative greater or lesser compression inside the containment body 5 under the action of the adjustment means 9.
  • the adjustment means 9 comprise a threaded adjustment screw 10 which can be screwed on a threaded portion 6a of the first end of the load transfer unit 6 positioned on the bracket 4.
  • bracket 4 is provided with a reference bushing 11 having a through seat 12 which can be engaged at least by the threaded portion 6a of the first end of the load transfer unit 6.
  • the adjustment screw 10 coupled to the threaded portion 6a of the load transfer unit 6 in such a way as to allow a pulling or releasing action on/of the transfer unit 6 by the contact on the first face of the bushing 11.
  • the device 100 also comprises a contact nut 13 constrained on the first end of the load transfer unit 6 and positioned, in use, in contact with a second face of the bushing 11 opposite the first face of the bushing 11 and configured to prevent a rotation of the load transfer unit 6 during the movement of the adjustment screw 10 on the threaded portion 6a of the first end of the load transfer unit 6.
  • contact nut 13 is fitted on the flexible cable defining the load transfer unit 6 and separates the threaded portion 6a of the cable from the remaining cable.
  • the containment body 5 (tubular in shape) has a semi-cylindrical cross-section for housing, in a non-limiting example illustrated of the solution, a helical spring defining the elastic element 7.
  • the elastic element 7 may alternatively consist of a cup-shaped spring or an elastically compliant cylindrical body (not illustrated).
  • the containment body 5 also comprises a centring bushing 14 fixable on the relative first end in such a way as to retain the end of the elastic element 7 (the spring) and allow the free passage of the load transfer unit 6 from the inside to the outside of the containment body 5.
  • the containment body 5 is without the bushing 14 as the containment body 5 itself is shaped as if the bushing 14 were integrated into it.
  • a reference pin 15 on the second end of the containment body 5 and forming a limit stop or minimum load contact element for the second end of the load transfer unit 6, that is, of the plate.
  • the containment body 5 is associated with the movable frame 2 close to the lower hinge 3. This allows a direct lightening of the weight of the movable frame 2 immediately close to the lower hinge 3 which is the one most subjected to the load during opening of the door or window.
  • this device it is also possible to adjust the load over time and as a function of wear both of the hinge and of the spring without the need to remove the components of the device.

Landscapes

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

Claims (8)

  1. Lasterleichterungsvorrichtung für Türen oder Fenster, aufweisend einen festen Rahmen (1) und einen bewegbaren Rahmen (2), der zumindest um einen Flügel geöffnet werden kann, und die miteinander durch ein unteres Gelenkband (3) und ein oberes Gelenkband verbunden sind, wobei die Vorrichtung (100) mindestens Folgendes umfasst:
    - einen Bügel (4), der ausgelegt ist, um mit dem festen Rahmen (1) assoziiert zu werden;
    - einen Fassungskörper (5), der ausgelegt ist, um mit dem bewegbaren Rahmen (2) assoziiert zu werden;
    - eine Lastübertragungseinheit (6) zum Übertragen der Last, die an einem ersten Ende an dem Bügel (4) befestigt ist und mit dem zweiten Ende in dem Fassungskörper (5) untergebracht ist;
    - ein elastisches Element (7), das innerhalb des mit dem bewegbaren Rahmen (2) assoziierten Fassungskörpers (5) untergebracht ist und zwischen einem ersten Ende des Fassungskörpers (5) und dem zweiten Ende der Lastübertragungseinheit (6), die in dem Fassungskörper (5) untergebracht ist, gehalten wird;
    - ein Kontaktelement (8), das mit dem zweiten Ende der Lastübertragungseinheit (6), die im Fassungskörper (5) untergebracht ist, assoziiert und ausgelegt ist, um ein Ende des elastischen Elements (7) zurückzuhalten;
    - Einstellmittel (9) zum Einstellen des Spannens der Lastübertragungseinheit (6), die zwischen dem Bügel (4) und dem ersten Ende der Lastübertragungseinheit (6) positioniert und ausgelegt sind, um bei Gebrauch die Position des Kontaktelements (8) innerhalb des Fassungskörpers (5) in beide Richtungen zu modifizieren, sodass das elastische Element (7) entlang des Fassungskörpers (5) derart komprimiert oder dekomprimiert wird, dass die Last der Vorrichtung (100) modifiziert wird,
    wobei die Einstellmittel (9) eine Gewindeeinstellschraube (10) umfassen, die auf einen Gewindeabschnitt (6a) des ersten Endes der Lastübertragungseinheit (6), die auf dem Bügel (4) positioniert ist, geschraubt werden kann,
    dadurch gekennzeichnet, dass
    der Bügel (4) mit einer Referenzbuchse (11) versehen ist, aufweisend einen Durchführungssitz (12), der zumindest von dem Gewindeabschnitt (6a) des ersten Endes der Lastübertragungseinheit (6) gegriffen werden kann, wobei die Einstellschraube (10) auf einer ersten Seitenfläche der Referenzbuchse (11), von der zumindest der Gewindeabschnitt (6a) des ersten Endes der Lastübertragungseinheit (6) hervorsteht, bei Gebrauch derart positioniert ist, dass eine Zug- oder Entlastungswirkung auf die/der Lastübertragungseinheit (6) durch den Kontakt auf der ersten Seitenfläche der Buchse (11) erlaubt wird.
  2. Vorrichtung nach Anspruch 1, wobei das Kontaktelement (8) eine Platte umfasst, die mit dem zweiten Ende der Lastübertragungseinheit (6) assoziiert und in Kontakt mit dem jeweiligen Ende des elastischen Elements (7) derart positioniert ist, dass ein Axialdruck oder eine Entlastung auf das elastische Element (7) entsprechend einer relativ größeren oder kleineren Kompression innerhalb des Fassungskörpers (5) erlaubt wird.
  3. Vorrichtung nach Anspruch 1 oder 2, umfassend eine Kontaktmutter (13), die auf dem ersten Ende der Lastübertragungseinheit (6) befestigt und bei Gebrauch in Kontakt mit einer zweiten Seitenfläche der Buchse (11), die der ersten Seitenfläche der Buchse (11) entgegengesetzt ist, positioniert und ausgelegt ist, um eine Drehung der Übertragungseinheit (6) während der Bewegung der Einstellschraube (10) auf dem Gewindeabschnitt (6a) des ersten Endes der Lastübertragungseinheit (6) zu verhindern.
  4. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei der Fassungskörper (5) einen halbzylindrischen Querschnitt aufweist, um eine Schraubenfeder oder eine becherförmige Schraube oder einen Körper mit einer elastisch nachgebenden zylindrischen Form, definierend das elastische Element (7), unterzubringen.
  5. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei der Fassungskörper (5) eine Zentrierbuchse (14) umfasst, die auf dem jeweiligen ersten Ende derart fixierbar ist, dass das Ende des elastischen Elements (7) zurückgehalten wird und der freie Übergang der Lastübertragungseinheit (6) von der Innenseite zur Außenseite des Fassungskörpers (5) erlaubt wird.
  6. Vorrichtung nach Anspruch 4 oder 5, wobei ein Referenzzapfen (15) quer auf dem Fassungskörper (5) auf dem zweiten Ende des Fassungskörpers (5) assoziiert ist und einen Endanschlag oder ein Mindestlastkontaktelement für das zweite Ende der Lastübertragungseinheit (6) bildet.
  7. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei der Fassungskörper (5) ausgelegt ist, um mit dem bewegbaren Rahmen (2) in der Nähe des unteren Gelenkbands (3) assoziiert zu werden.
  8. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei die Lastübertragungseinheit (6) ein flexibles Kabel umfasst.
EP24214144.8A 2023-11-22 2024-11-20 Lasterleichterungsvorrichtung für türen oder fenster Active EP4560100B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102023000024774A IT202300024774A1 (it) 2023-11-22 2023-11-22 Dispositivo di alleggerimento del carico per porte o finestre.

Publications (2)

Publication Number Publication Date
EP4560100A1 EP4560100A1 (de) 2025-05-28
EP4560100B1 true EP4560100B1 (de) 2025-12-03

Family

ID=89663100

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24214144.8A Active EP4560100B1 (de) 2023-11-22 2024-11-20 Lasterleichterungsvorrichtung für türen oder fenster

Country Status (3)

Country Link
EP (1) EP4560100B1 (de)
IT (1) IT202300024774A1 (de)
PT (1) PT4560100T (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1837472B1 (de) * 2006-03-25 2013-08-14 Roto Frank Ag Fenster, Tür oder dgl. mit einer Flügellastabtrageinrichtung
DE102010043739B4 (de) * 2010-11-11 2021-06-10 Roto Frank Ag Entlastungsanordnung eines Fensters, einer Tür oder dergleichen
CN217028506U (zh) * 2022-03-09 2022-07-22 深圳好博窗控技术股份有限公司 一种承重附件及窗户
CN116480240A (zh) * 2023-04-18 2023-07-25 广东合和建筑五金制品有限公司 窗扇用的提拉部件及其使用方法、窗体结构

Also Published As

Publication number Publication date
PT4560100T (pt) 2026-02-12
IT202300024774A1 (it) 2025-05-22
EP4560100A1 (de) 2025-05-28

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