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)

Applications Claiming Priority (1)

Publications (2)

Family

ID=89663100

Family Applications (1)

Country Status (5)

Family Cites Families (4)

• 2023
  • 2023-11-22 IT IT102023000024774A patent/IT202300024774A1/it unknown
• 2024
  • 2024-11-20 EP EP24214144.8A patent/EP4560100B1/en active Active
  • 2024-11-20 ES ES24214144T patent/ES3061915T3/es active Active
  • 2024-11-20 PT PT242141448T patent/PT4560100T/pt unknown
  • 2024-11-20 PL PL24214144.8T patent/PL4560100T3/pl unknown

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