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WO2025163510A1 - Strike-plate of lock with magnetic coupling, magnetic coupling element for strike-plate of lock and relative strike-plate - Google Patents

Strike-plate of lock with magnetic coupling, magnetic coupling element for strike-plate of lock and relative strike-plate

Info

Publication number
WO2025163510A1
WO2025163510A1 PCT/IB2025/050968 IB2025050968W WO2025163510A1 WO 2025163510 A1 WO2025163510 A1 WO 2025163510A1 IB 2025050968 W IB2025050968 W IB 2025050968W WO 2025163510 A1 WO2025163510 A1 WO 2025163510A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
strike
lock
seat
main body
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.)
Pending
Application number
PCT/IB2025/050968
Other languages
French (fr)
Inventor
Massimo Migliorini
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.)
Koblenz SpA
Original Assignee
Koblenz 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 Koblenz SpA filed Critical Koblenz SpA
Publication of WO2025163510A1 publication Critical patent/WO2025163510A1/en
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
    • E05C19/163—Devices holding the wing by magnetic or electromagnetic attraction a movable bolt being held in the striker by a permanent magnet
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
    • E05B15/0205—Striking-plates, keepers, staples
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
    • E05B47/004—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets the magnets acting directly on the bolt

Definitions

  • the present invention relates to a strike-plate of a lock with a magnetic coupling.
  • the present invention also relates to a lock using said strike-plate with a magnetic coupling.
  • the present invention also relates to a magnetic coupling element for a strikeplate of a lock and the relative strike-plate.
  • the present invention also relates to a lock using said coupling element and strike-plate.
  • Locks are known in which the strike-plate is fixed in the relative seat in the jamb by means of more or less complicated coupling systems - generally of a mechanical type and using locking screws or snap coupling systems or the like.
  • the use of locking screws in the jamb or frame can be complex and problematic depending on the type of frame or the size of the screws necessary to adequately achieve the purpose.
  • screw fixing systems are always visible to an observer and, in order to avoid unsightly effects, one is forced to resort to additional cover elements.
  • the aim of the present invention is to overcome the above- mentioned drawbacks, by providing a strike-plate for a lock with a magnetic coupling that allows the use of screw connection systems or the like to be minimized.
  • the aim of the present invention is to provide a strike-plate for a lock with a magnetic coupling in which the coupling to the jamb or frame of the strikeplate can take place simply and immediately.
  • the aim of the present invention is also to allow an aesthetically pleasing result to be achieved without necessarily having to use additional covering elements.
  • a further aim of the present invention is also to provide a lock, in particular (but not exclusively) magnetic, which uses the magnetic coupling strike-plate according to the invention.
  • Another aim of the present invention is to overcome the above-mentioned drawbacks by providing a magnetic coupling element for a strike-plate of a lock and the relative strike-plate that allows a versatility of use on different types of supports.
  • a further aim of the present invention is also to provide a lock, in particular (but not exclusively) magnetic, which uses the magnetic coupling element for a strikeplate of a lock and the relative strike-plate according to the invention.
  • FIG. 2 shows a front view of a strike-plate according to the invention inserted in the relative frame, together with two sections respectively according to the planes indicated as A-A and B-B in the front view.
  • FIG. 3 shows a front view (and a section according to the C-C plane of the front view) of the strike-plate according to the invention, with only a part of the coupling means to the frame.
  • FIG. 4 is an exploded perspective view illustrating the positioning of a part of the coupling means inside the frame and the strike-plate outside the seat in the frame.
  • FIG. 5 is a view similar to that of figure 4 in which the frame alone is illustrated with the relative hollow seat, together with the part of coupling/fixing means that are fixed in said hollow seat.
  • Figure 6 is a front view of the assembly of Figure 5 shown unexploded.
  • FIG. 8 shows a front view of a strike-plate according to the invention inserted in the relative frame by means of the coupling element according to the invention, together with a section according to the plane indicated as B’-B’ in the front view.
  • FIG. 9 is an exploded perspective view illustrating the positioning of the coupling element inside the frame and the strike-plate outside the seat in the frame.
  • FIG. 10 shows a front view (and a section according to plane A’ -A’ of the front view) of the coupling element or device according to the invention, associated with the frame.
  • FIG. 11 is a view similar to that of Figure 9 in which the frame with the relative seat is illustrated, together with the coupling element or device to be inserted in the seat.
  • FIG. 12 is an exploded perspective view of the coupling element or coupling device according to the invention.
  • FIG. 13 illustrates two rear views of the coupling element (or device) with the retaining elements respectively in the rest position in the overall size of the coupling element (or device) and in a position protruding from said overall size.
  • FIG. 14 illustrates, in the three images indicated with (a), (b) and (c), three moments of the actuation and operation of the retaining elements of the element for coupling to the support or frame.
  • a strike-plate 3 of a lock 1 is designed to be associated with a support 4, in particular a door or window frame 4.
  • the strikeplate 1 comprises a main body 30 provided with a hollow seat 31 for the insertion, through a front opening 310 of the hollow seat 31 itself, of a spring-latch 20 of a plate 2 of the lock 1.
  • the main body 30 is intended to be inserted into a cavity 40 in the support 4 with the front opening 310 oriented towards the outside of the cavity in a position corresponding to the spring-latch 20 when the plate 2 of the lock 1 is facing the front opening 310 of the hollow seat 31 of the main body 30 of the strike-plate 3 itself.
  • the strike-plate 1 further comprises means 5 for fixing the main body 30 to the support 4, in particular to walls of the cavity 40 in the support 4.
  • the strike-plate 3 is magnetically coupled to the support 4.
  • the main body 30 is inserted and locked in said cavity 40 very simply and effortlessly.
  • the mechanical, non-magnetic fixing means are limited to the fixing of the second magnet 51 inside the cavity affecting the main body 30 of the strike-plate 3, are avoided.
  • all the means of coupling to the support 4 remain hidden behind the main body 30 of the strike-plate 3, the only thing visible from the outside being the main body 30 itself.
  • the first magnet 50 is fixed to the main body 30 in a mounting seat 33 positioned in the bottom 32 of the main body 30 itself on the other side of said main body 30 with respect to the front opening 310 of the hollow seat 31.
  • Said mounting seat 33 has side walls 330 that project from the bottom 32 of the main body 30 and are intended to come into contact with the bottom 41 of the cavity 40 in the support 4 when the main body 30 is inserted in the cavity 40 itself.
  • the side walls 330 of the mounting seat 33 define a space where the second magnet 51 is housed when facing the first magnet 50 and interacts with it to retain the main body 30 in position inside the cavity 40.
  • the side walls 330 do not need to be continuous or in any way draw a complete perimeter around the mounting seat 33: it is sufficient that on the one hand the mounting seat 33 is defined and that, on the other hand, said side walls 330 have portions (which may also be abutment protrusions) that allow abutment with the bottom 41 of the cavity 40 and the housing of the second magnet 51.
  • the second magnet 51 can be fixed to the bottom 41 of the cavity 40 in the support 4 by means of at least one screw 53.
  • the second magnet 51 is preferably provided with at least one through hole 510 for the passage of the at least one screw 53.
  • the second magnet 51 is a disc-shaped body having a central hole 510 for the passage of the at least one screw 53.
  • the strike-plate 3 comprises a flange abutment portion 34 intended for abutment on a front surface 42 of the support 4 when the main body 30 is inserted in the cavity 40.
  • said flange abutment portion 34 completely surrounds the front opening 310 of the hollow seat 31 of the main body 30. In this way, all imperfections due to the association of the main body 30 with the cavity 40 in the support 4 that do not depend on the means of fixing the strike-plate 3 to the support 4 (which, as already mentioned, remain hidden behind the main body 30 itself) can be avoided.
  • the first magnet 50 can also be used simultaneously for other purposes, in addition to the simple fixing of the strike-plate 3 to the support 4.
  • the positioning described for the first magnet 50 allows the first magnet 50 to be intended to interact with a magnetic portion 21 provided on the spring-latch 20 to bring it and keep it inside the hollow seat 31 when the plate 2 of the lock 1 is in front of the front opening 310 of the hollow seat 31 of the main body 30 of the strike- plate 3 itself.
  • the strike-plate 3 can also be used with magnetic locks, thus combining the advantage of easy coupling with a synergy of uses.
  • the invention also relates to a lock 1 comprising a plate 2 and a strike-plate 3 for receiving a spring-latch 20 mounted in the plate 2, the strike-plate 3 being a strikeplate according to any of the embodiments described and illustrated above.
  • the strike-plate 3 it is possible to use the strike-plate 3 according to the invention also in a magnetic lock.
  • the spring-latch 20 comprises a magnetic portion 21, preferably a further magnet 21, which interacts with the first magnet 50 to bring and keep the spring-latch 20 inside the hollow seat 31 of the strike-plate 3 when the plate 2 of the lock 1 is in front of the front opening 310 of the hollow seat 31 of the main body 30 of the strike-plate 3 itself.
  • the strike-plate 3 can be a strike-plate according to any of the embodiments described and illustrated above.
  • the invention achieves important advantages.
  • it allows one to couple the strike-plate to its support in a simple and immediate way and without the use of complicated and invasive systems for fixing its body to the support.
  • the structure of the strike-plate allows the use of the magnetic means dedicated to fixing to the support also as magnetic means to recall the spring-latch of a magnetic lock in the relative seat of the same strike-plate, without the need to implement further changes to the structure of the strike-plate itself.
  • FIGS 7-14 illustrate a magnetic coupling element 4’ for a strike-plate 3’ of a lock 1’ and a relative strike-plate 3’.
  • the magnetic coupling element 4’ is a coupling device 4’ which comprises a hollow fixing body 40’ that can be housed in a seat 50’ of a support 5’, in particular in a seat 50’ of a door or window frame 5’.
  • the hollow fixing body 40’ is provided with relative means 41’ for fixing to the support 5’ and defines a seat 42’ for the insertion and housing of the strikeplate 3’.
  • the strike-plate 3 ’ comprises a main body 30’ provided with a hollow seat 31 ’ for the insertion, through a front opening 310’ of the hollow seat 31’ itself, of a spring-latch 20’ of a plate 2’ of the lock 1’.
  • the main body 30’ can be inserted and housed in the seat 42’ positioned in the coupling device 4’ in a position corresponding to the spring-latch 20’ when the plate 2’ of the lock 1’ is in front of the front opening 310’ of the hollow seat 31 ’ of the main body 30’ of the springplate 3’ itself.
  • the spring-plate 3’ comprises means 6’ for fixing the main body 30’ to the walls of the seat 42’ positioned in the coupling device 4’.
  • Said means 6’ for fixing the main body 30’ to the walls of the seat 42’ positioned in the coupling device 4’ in turn comprise a first magnet 60’ fixed to the main body 30’ in a bottom 32 ’of the main body 30’ itself on the other side of said main body 30’ with respect to the front opening 310’ of the hollow seat 31’.
  • the fixing means 6’ further comprise a second magnet 61’ to be fixed to a bottom 43’ of the seat 42’ positioned in the coupling device 4’ in a position corresponding to the first magnet 60’ fixed in the bottom 32’of the main body 30’ when the latter is inserted in the seat 42’ positioned in the coupling device 4’.
  • the second magnet 61’ when facing the first magnet 60’, interacts with the first magnet 60’ to retain the main body 30’ in position inside the seat 42’ positioned in the coupling device 4’.
  • the first magnet 60’ is fixed to the main body 30’ in a mounting seat 33’ positioned in the bottom 32’ of the main body 30’ itself on the other side of said main body 30’ with respect to the front opening 310’ of the hollow seat 31’. It should be noted that in this way all the means of coupling to the support 5 are located on the coupling device 4, while the magnetic coupling between the latter and the strike-plate 3’ is housed between the two elements and hidden from the view of an observer looking at the strike-plate from the front opening 310’ of the hollow seat 31’.
  • the side walls 330’ do not need to be continuous or in any way draw a complete perimeter around the mounting seat 33’: it is sufficient that on the one hand the mounting seat 33’ is defined and that, on the other hand, said side walls 330’ have portions (which may also be abutting protrusions) that allow abutment with the bottom 41’ of the cavity 40’ and the housing of the second magnet 61’.
  • the second magnet 61’ is located in a relative further seat 44’ obtained at the bottom 43’ of the seat 42’ positioned in the coupling device 4’.
  • Said relative further seat 44’ obtained at the bottom 43’ of the seat 42’ positioned in the coupling device 4’ is equipped with one or more guide elements 440’ to allow a secure positioning of the second magnet 61’.
  • said further seat 44’ obtained at the bottom 43’ of the seat 42’ positioned in the coupling device 4’ is equipped with at least one guide pin 441’ to be inserted in a through hole 610’ positioned in the second magnet 61’.
  • the second magnet 61’ may be a disc-shaped body having a central hole 610’ for the passage of the at least one guide pin 441’.
  • the coupling device 4’ further comprises one or more retaining elements 442’ of the snap-on type acting on lateral edges 611’ and/or on a free surface 612’ of the second magnet 61’ to retain it in said relative further seat 44’ obtained at the bottom 43’ of the seat 42’ positioned in the coupling device 4’.
  • the strike-plate 3’ comprises a flange abutment portion 34’ intended for abutment on a front surface 45’ of the hollow fixing body 40’ when the main body 30’ is inserted in the seat 42’ for the insertion and housing of the strike-plate 3’ which is positioned in the hollow fixing body 40’ itself.
  • said flange abutment portion 34’ covers all those parts of the means 41’ for fixing the hollow fixing body 40’ to the support 5’ that are located on the hollow fixing body 40’ on that part thereof located on that side from which the main body 30’ of the strike-plate 3’ is inserted into the hollow fixing body 40’.
  • the visible parts of the means for fixing the coupling device 4’ to the support 5’ are also suitably hidden from view.
  • the use of this system allows a versatility in the choice of the aesthetics of the strike-plate 3’ without necessarily having to resort to additional cover elements.
  • said flange abutment portion 34’ completely surrounds the front opening 310’ of the hollow seat 31’ of the main body 30’ of the strike-plate 3’.
  • the structure of the system is such that the first magnet 60’ located on the strikeplate 3’ can also be used for other purposes in addition to coupling the strike-plate 3’ to the coupling device 4’.
  • the first magnet 60’ is also intended to interact with a magnetic portion 21’ positioned on the spring-latch 20’ to bring it and retain it inside the hollow seat 31’ when the plate 2’ of the lock 1’ is in front of the front opening 310’ of the hollow seat 31’ of the main body 30’ of the strikeplate 3’ itself.
  • the coupling device 4’ comprises means 7’ for fixing to sheet portions of the support 5’ that are located at least at the opening of the seat 50’ in the support 5’ itself.
  • the retaining element 70’ In the first position the retaining element 70’ does not extend outside the perimeter of the hollow fixing body 40’, while in the second position the retaining element 70’ extends outside the perimeter of the hollow fixing body 40’ and exerts a clamping action in combination with an edge 46’ of a front face 45’ of the hollow fixing body 40’ intended to abut flat portions of the support 5’ outside the seat 50’ when the hollow fixing body 40’ is inserted therein. In this condition the clamping action is intended to be exerted on said sheet portions of the support 5’.
  • the retaining element 70’ is:
  • the retaining element 70’ When in the first position the retaining element 70’ is located in a respective seat 74’ provided in a rear portion of the hollow fixing body 40’.
  • the retaining element 70’ has a free tip 700’ that is curved towards the edge 46’, so that the clamping action in the second position can also be achieved with a small thickness of the sheet portions of the support 5’.
  • the invention also relates to a lock 1 ’ comprising a lock plate 2’, a strike-plate 3’ for receiving a spring-latch 20’ mounted on the lock plate 2 ’and a coupling device 4’ for the strike-plate.
  • the coupling device 4’ and the strike-plate 3’ are a magnetic coupling element 4’ for a strike-plate 3’ of a lock 1’ and the relative strike-plate 3’ according to any one of the embodiments illustrated above.
  • the spring-latch 20’ comprises a magnetic portion 21’, preferably a further magnet 21’, which interacts with the first magnet 60’ to bring and keep the spring-latch 20’ inside the hollow seat 31’ of the strike-plate 3’ when the plate 2’ of the lock 1’ is in front of the front opening 310’ of the hollow seat 31’ of the main body 30’ of the strike-plate 3’ itself.
  • the invention achieves important advantages.
  • it makes it possible to have wide versatility in the coupling of the strike-plate since the same strikeplate is always coupled in the same way on various types of supports exploiting in particular the magnetic coupling element according to the invention.
  • the coupling device in which the magnetic coupling element is made has very versatile embodiments, in one of which it is particularly suitable for attachment to supports made of profiles (especially metallic).
  • the invention allows an aesthetically pleasing result to be achieved and can also be used with magnetic locks.
  • the invention thus conceived is susceptible to numerous modifications and variants, all falling within the scope of the inventive concept that characterises it.
  • all the details can be replaced by other technically equivalent elements.
  • all the materials used, as well as the dimensions can be any, depending on the needs.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)

Abstract

In a strike-plate (3) of a lock (1) associated with a support (4), - a main body (30) is provided with a hollow seat (31) for the insertion, through a front opening (310) of the hollow seat (31) itself, of a spring-latch (20) of a plate (2) of the lock (1), and it is inserted in a cavity (40) in the support (4) with the front opening (310) facing the outside of the cavity in a position corresponding to the spring-latch (20) when the plate (2) of the lock (1) is facing the front opening (310) of the hollow seat (31) of the main body (30) of the strike-plate (3) itself. Means (5) for fixing the main body (30) to the walls of the cavity (40) in the support (4), comprise: a first magnet (50) fixed to the main body (30) in a bottom (32) of the main body (30) itself on the other side of said main body (30) with respect to the front opening (310) of the hollow seat (31); a second magnet (51) fixed to a bottom (41) of the cavity (40) in the support (4) in a position corresponding to the first magnet (50) fixed in the bottom (32) of the main body (30) when the latter is inserted in the cavity (40). The second magnet (51), when facing the first magnet (50), interacts with the first magnet (50) to retain the main body (30) in position within the cavity (40).

Description

DESCRIPTION
STRIKE-PLATE OF LOCK WITH MAGNETIC COUPLING, MAGNETIC COUPLING ELEMENT FOR STRIKE-PLATE OF LOCK AND RELATIVE STRIKE-PLATE
Technical field
The present invention relates to a strike-plate of a lock with a magnetic coupling. The present invention also relates to a lock using said strike-plate with a magnetic coupling.
The present invention also relates to a magnetic coupling element for a strikeplate of a lock and the relative strike-plate. The present invention also relates to a lock using said coupling element and strike-plate.
Background art
Locks are known in which the strike-plate is fixed in the relative seat in the jamb by means of more or less complicated coupling systems - generally of a mechanical type and using locking screws or snap coupling systems or the like. In particular, the use of locking screws in the jamb or frame can be complex and problematic depending on the type of frame or the size of the screws necessary to adequately achieve the purpose. Further, screw fixing systems are always visible to an observer and, in order to avoid unsightly effects, one is forced to resort to additional cover elements.
All these systems are then complex to install on frames made by profiles with sheet walls, in particular metal.
Aim of the invention
The aim of the present invention is to overcome the above- mentioned drawbacks, by providing a strike-plate for a lock with a magnetic coupling that allows the use of screw connection systems or the like to be minimized.
In particular, the aim of the present invention is to provide a strike-plate for a lock with a magnetic coupling in which the coupling to the jamb or frame of the strikeplate can take place simply and immediately.
The aim of the present invention is also to allow an aesthetically pleasing result to be achieved without necessarily having to use additional covering elements.
A further aim of the present invention is also to provide a lock, in particular (but not exclusively) magnetic, which uses the magnetic coupling strike-plate according to the invention.
Another aim of the present invention is to overcome the above-mentioned drawbacks by providing a magnetic coupling element for a strike-plate of a lock and the relative strike-plate that allows a versatility of use on different types of supports.
A further aim of the present invention is also to provide a lock, in particular (but not exclusively) magnetic, which uses the magnetic coupling element for a strikeplate of a lock and the relative strike-plate according to the invention.
These aims and others, which are described in more detail below, are achieved, in accordance with an aspect of the present invention, by a strike-plate of a lock with a magnetic coupling and by a lock using said strike -plate having structural and functional characteristics in accordance with the appended independent claims, further embodiments of the same being identified in the appended and corresponding dependent claims.
In accordance with another aspect of the present invention, these aims and still others are achieved by a magnetic coupling element for a strike-plate of a lock and the relative strike-plate and by a lock using said magnetic coupling element for a strike-plate of a lock and relative strike-plate having structural and functional characteristics in accordance with the appended independent claims, further embodiments of the same being identified in the appended and corresponding dependent claims.
Brief description of the drawings
The invention is set forth in more detail below with the aid of the drawings, which represent a purely exemplary and non-limiting embodiment thereof.
- Figure 1 is a sectional view, with a median vertical plane, of a strike-plate and of a lock according to the invention shown with the strike- plate and the lock plate facing each other, and with the spring-latch in the engagement position in the strike-plate.
- Figure 2 shows a front view of a strike-plate according to the invention inserted in the relative frame, together with two sections respectively according to the planes indicated as A-A and B-B in the front view.
- Figure 3 shows a front view (and a section according to the C-C plane of the front view) of the strike-plate according to the invention, with only a part of the coupling means to the frame.
- Figure 4 is an exploded perspective view illustrating the positioning of a part of the coupling means inside the frame and the strike-plate outside the seat in the frame.
- Figure 5 is a view similar to that of figure 4 in which the frame alone is illustrated with the relative hollow seat, together with the part of coupling/fixing means that are fixed in said hollow seat.
- Figure 6 is a front view of the assembly of Figure 5 shown unexploded.
- Figure 7 is a sectional view, with a median vertical plane, of a coupling element, the relative strike-plate and a lock according to the invention shown with the strike-plate and the lock plate facing each other, and with the spring-latch in the engagement position in the strike-plate.
- Figure 8 shows a front view of a strike-plate according to the invention inserted in the relative frame by means of the coupling element according to the invention, together with a section according to the plane indicated as B’-B’ in the front view.
- Figure 9 is an exploded perspective view illustrating the positioning of the coupling element inside the frame and the strike-plate outside the seat in the frame.
- Figure 10 shows a front view (and a section according to plane A’ -A’ of the front view) of the coupling element or device according to the invention, associated with the frame.
- Figure 11 is a view similar to that of Figure 9 in which the frame with the relative seat is illustrated, together with the coupling element or device to be inserted in the seat.
- Figure 12 is an exploded perspective view of the coupling element or coupling device according to the invention.
- Figure 13 illustrates two rear views of the coupling element (or device) with the retaining elements respectively in the rest position in the overall size of the coupling element (or device) and in a position protruding from said overall size.
- Figure 14 illustrates, in the three images indicated with (a), (b) and (c), three moments of the actuation and operation of the retaining elements of the element for coupling to the support or frame. Detailed description
With reference to the drawings, a strike-plate 3 of a lock 1 is designed to be associated with a support 4, in particular a door or window frame 4. The strikeplate 1 comprises a main body 30 provided with a hollow seat 31 for the insertion, through a front opening 310 of the hollow seat 31 itself, of a spring-latch 20 of a plate 2 of the lock 1. The main body 30 is intended to be inserted into a cavity 40 in the support 4 with the front opening 310 oriented towards the outside of the cavity in a position corresponding to the spring-latch 20 when the plate 2 of the lock 1 is facing the front opening 310 of the hollow seat 31 of the main body 30 of the strike-plate 3 itself.
The strike-plate 1 further comprises means 5 for fixing the main body 30 to the support 4, in particular to walls of the cavity 40 in the support 4.
Said fixing means 5 comprise a first magnet 50 fixed to the main body 30 at a bottom 32 of the main body 30 itself on the other side of said main body 30 with respect to the front opening 310 of the hollow seat 31. The fixing means 5 further comprise a second magnet 51 to be fixed to a bottom 41 of the cavity 40 in the support 4 at a position corresponding to the first magnet 50 fixed in the bottom 32 of the main body 30 when the latter is inserted in the cavity 40.
The second magnet 51, when facing the first magnet 50, interacts with the first magnet 50 to retain the main body 30 in position within the cavity 40.
In this way, the strike-plate 3 is magnetically coupled to the support 4. Once the second magnet 51 is fixed in the cavity 40, the main body 30 is inserted and locked in said cavity 40 very simply and effortlessly. The mechanical, non-magnetic fixing means are limited to the fixing of the second magnet 51 inside the cavity affecting the main body 30 of the strike-plate 3, are avoided. Furthermore, all the means of coupling to the support 4 remain hidden behind the main body 30 of the strike-plate 3, the only thing visible from the outside being the main body 30 itself. The first magnet 50 is fixed to the main body 30 in a mounting seat 33 positioned in the bottom 32 of the main body 30 itself on the other side of said main body 30 with respect to the front opening 310 of the hollow seat 31. Said mounting seat 33 has side walls 330 that project from the bottom 32 of the main body 30 and are intended to come into contact with the bottom 41 of the cavity 40 in the support 4 when the main body 30 is inserted in the cavity 40 itself. The side walls 330 of the mounting seat 33 define a space where the second magnet 51 is housed when facing the first magnet 50 and interacts with it to retain the main body 30 in position inside the cavity 40. The side walls 330 do not need to be continuous or in any way draw a complete perimeter around the mounting seat 33: it is sufficient that on the one hand the mounting seat 33 is defined and that, on the other hand, said side walls 330 have portions (which may also be abutment protrusions) that allow abutment with the bottom 41 of the cavity 40 and the housing of the second magnet 51.
The second magnet 51 can be fixed to the bottom 41 of the cavity 40 in the support 4 by means of at least one screw 53. The second magnet 51 is preferably provided with at least one through hole 510 for the passage of the at least one screw 53. According to the embodiment illustrated in the drawings, the second magnet 51 is a disc-shaped body having a central hole 510 for the passage of the at least one screw 53.
The strike-plate 3 comprises a flange abutment portion 34 intended for abutment on a front surface 42 of the support 4 when the main body 30 is inserted in the cavity 40. Preferably, said flange abutment portion 34 completely surrounds the front opening 310 of the hollow seat 31 of the main body 30. In this way, all imperfections due to the association of the main body 30 with the cavity 40 in the support 4 that do not depend on the means of fixing the strike-plate 3 to the support 4 (which, as already mentioned, remain hidden behind the main body 30 itself) can be avoided.
Advantageously, in the structure of the strike-plate that provides the first magnet 50 in the position described, the first magnet 50 can also be used simultaneously for other purposes, in addition to the simple fixing of the strike-plate 3 to the support 4. In fact, the positioning described for the first magnet 50 allows the first magnet 50 to be intended to interact with a magnetic portion 21 provided on the spring-latch 20 to bring it and keep it inside the hollow seat 31 when the plate 2 of the lock 1 is in front of the front opening 310 of the hollow seat 31 of the main body 30 of the strike- plate 3 itself. In this way, the strike-plate 3 can also be used with magnetic locks, thus combining the advantage of easy coupling with a synergy of uses.
As mentioned in the introduction, and as illustrated in particular in Figure 1, the invention also relates to a lock 1 comprising a plate 2 and a strike-plate 3 for receiving a spring-latch 20 mounted in the plate 2, the strike-plate 3 being a strikeplate according to any of the embodiments described and illustrated above. As mentioned above, it is possible to use the strike-plate 3 according to the invention also in a magnetic lock. Specifically, in the lock 1 the spring-latch 20 comprises a magnetic portion 21, preferably a further magnet 21, which interacts with the first magnet 50 to bring and keep the spring-latch 20 inside the hollow seat 31 of the strike-plate 3 when the plate 2 of the lock 1 is in front of the front opening 310 of the hollow seat 31 of the main body 30 of the strike-plate 3 itself. Also in this case the strike-plate 3 can be a strike-plate according to any of the embodiments described and illustrated above.
The invention achieves important advantages. In particular, it allows one to couple the strike-plate to its support in a simple and immediate way and without the use of complicated and invasive systems for fixing its body to the support. In addition, the structure of the strike-plate allows the use of the magnetic means dedicated to fixing to the support also as magnetic means to recall the spring-latch of a magnetic lock in the relative seat of the same strike-plate, without the need to implement further changes to the structure of the strike-plate itself.
Figures 7-14 illustrate a magnetic coupling element 4’ for a strike-plate 3’ of a lock 1’ and a relative strike-plate 3’. The magnetic coupling element 4’ is a coupling device 4’ which comprises a hollow fixing body 40’ that can be housed in a seat 50’ of a support 5’, in particular in a seat 50’ of a door or window frame 5’. The hollow fixing body 40’ is provided with relative means 41’ for fixing to the support 5’ and defines a seat 42’ for the insertion and housing of the strikeplate 3’.
The strike-plate 3 ’ comprises a main body 30’ provided with a hollow seat 31 ’ for the insertion, through a front opening 310’ of the hollow seat 31’ itself, of a spring-latch 20’ of a plate 2’ of the lock 1’. The main body 30’ can be inserted and housed in the seat 42’ positioned in the coupling device 4’ in a position corresponding to the spring-latch 20’ when the plate 2’ of the lock 1’ is in front of the front opening 310’ of the hollow seat 31 ’ of the main body 30’ of the springplate 3’ itself.
The spring-plate 3’ comprises means 6’ for fixing the main body 30’ to the walls of the seat 42’ positioned in the coupling device 4’.
Said means 6’ for fixing the main body 30’ to the walls of the seat 42’ positioned in the coupling device 4’ in turn comprise a first magnet 60’ fixed to the main body 30’ in a bottom 32 ’of the main body 30’ itself on the other side of said main body 30’ with respect to the front opening 310’ of the hollow seat 31’. The fixing means 6’ further comprise a second magnet 61’ to be fixed to a bottom 43’ of the seat 42’ positioned in the coupling device 4’ in a position corresponding to the first magnet 60’ fixed in the bottom 32’of the main body 30’ when the latter is inserted in the seat 42’ positioned in the coupling device 4’.
The second magnet 61’, when facing the first magnet 60’, interacts with the first magnet 60’ to retain the main body 30’ in position inside the seat 42’ positioned in the coupling device 4’.
The first magnet 60’ is fixed to the main body 30’ in a mounting seat 33’ positioned in the bottom 32’ of the main body 30’ itself on the other side of said main body 30’ with respect to the front opening 310’ of the hollow seat 31’. It should be noted that in this way all the means of coupling to the support 5 are located on the coupling device 4, while the magnetic coupling between the latter and the strike-plate 3’ is housed between the two elements and hidden from the view of an observer looking at the strike-plate from the front opening 310’ of the hollow seat 31’.
Said mounting seat 33’ has side walls 330’ that project from the bottom 32’ of the main body 30’ and are intended to come into contact with the bottom 43’ of the seat 42’ positioned in the coupling device 4’ when the main body 30’ is inserted in the seat 42’ itself. The side walls 330’ of the mounting seat 33’ define a space in which the second magnet 61’ is housed when facing the first magnet 60’ and interacts therewith to retain the main body 30’ in position inside the seat 42’. The side walls 330’ do not need to be continuous or in any way draw a complete perimeter around the mounting seat 33’: it is sufficient that on the one hand the mounting seat 33’ is defined and that, on the other hand, said side walls 330’ have portions (which may also be abutting protrusions) that allow abutment with the bottom 41’ of the cavity 40’ and the housing of the second magnet 61’.
The second magnet 61’ is located in a relative further seat 44’ obtained at the bottom 43’ of the seat 42’ positioned in the coupling device 4’. Said relative further seat 44’ obtained at the bottom 43’ of the seat 42’ positioned in the coupling device 4’ is equipped with one or more guide elements 440’ to allow a secure positioning of the second magnet 61’.
In particular, said further seat 44’ obtained at the bottom 43’ of the seat 42’ positioned in the coupling device 4’ is equipped with at least one guide pin 441’ to be inserted in a through hole 610’ positioned in the second magnet 61’. The second magnet 61’may be a disc-shaped body having a central hole 610’ for the passage of the at least one guide pin 441’.
The coupling device 4’ further comprises one or more retaining elements 442’ of the snap-on type acting on lateral edges 611’ and/or on a free surface 612’ of the second magnet 61’ to retain it in said relative further seat 44’ obtained at the bottom 43’ of the seat 42’ positioned in the coupling device 4’.
The strike-plate 3’ comprises a flange abutment portion 34’ intended for abutment on a front surface 45’ of the hollow fixing body 40’ when the main body 30’ is inserted in the seat 42’ for the insertion and housing of the strike-plate 3’ which is positioned in the hollow fixing body 40’ itself. Advantageously, when the strike-plate 3’ is positioned with its own main body 30’ housed in the hollow fixing body 40’ said flange abutment portion 34’ covers all those parts of the means 41’ for fixing the hollow fixing body 40’ to the support 5’ that are located on the hollow fixing body 40’ on that part thereof located on that side from which the main body 30’ of the strike-plate 3’ is inserted into the hollow fixing body 40’. In this way the visible parts of the means for fixing the coupling device 4’ to the support 5’ are also suitably hidden from view. The use of this system allows a versatility in the choice of the aesthetics of the strike-plate 3’ without necessarily having to resort to additional cover elements.
Opportunely, said flange abutment portion 34’ completely surrounds the front opening 310’ of the hollow seat 31’ of the main body 30’ of the strike-plate 3’. The structure of the system is such that the first magnet 60’ located on the strikeplate 3’ can also be used for other purposes in addition to coupling the strike-plate 3’ to the coupling device 4’. Specifically, the first magnet 60’ is also intended to interact with a magnetic portion 21’ positioned on the spring-latch 20’ to bring it and retain it inside the hollow seat 31’ when the plate 2’ of the lock 1’ is in front of the front opening 310’ of the hollow seat 31’ of the main body 30’ of the strikeplate 3’ itself.
The coupling device 4’ comprises means 7’ for fixing to sheet portions of the support 5’ that are located at least at the opening of the seat 50’ in the support 5’ itself.
Said fixing means 7’ comprise:
- at least one pair of retaining elements 70’ located at a perimeter of the hollow fixing body 40’, in diametrically opposite positions with respect to an axis (X) of the hollow fixing body 40’ perpendicular to the front opening 310’ of the hollow seat 31’ when the main body 30’ is located in the hollow fixing body 40’; - for each retaining element 70’, a respective activation device 71’ on which a user can act to move the retaining element 70’ back and forth between a first position and a second position.
In the first position the retaining element 70’ does not extend outside the perimeter of the hollow fixing body 40’, while in the second position the retaining element 70’ extends outside the perimeter of the hollow fixing body 40’ and exerts a clamping action in combination with an edge 46’ of a front face 45’ of the hollow fixing body 40’ intended to abut flat portions of the support 5’ outside the seat 50’ when the hollow fixing body 40’ is inserted therein. In this condition the clamping action is intended to be exerted on said sheet portions of the support 5’.
When the activation device 71’i s operated so that the movement of the retaining element 70’ starts from the first position and goes towards the second position, the retaining element 70’ is:
- firstly rotated in a first intermediate position in which the retaining element 70’ protrudes outside the perimeter of the hollow fixing body 40’ and is located at a predetermined distance from said edge 46’ which does not activate any clamping action;
- then forced to translate towards said edge 46’ until the clamping action is activated and the second position is reached; while when acting on the activation device 71’ so that the movement of the retaining element 70’ starts from the second position and goes towards the first position, the retaining element 70’ is:
- first forced to move away from said edge 46’ until the clamping action is released and the first intermediate position is reached;
- then rotated from the first intermediate position to the first position. The activation device 71’ comprises a screw 710’ on which it is possible to act from the front face 45’ of the hollow fixing body 40’ and which is engaged in a threaded hole in the respective retaining element 70’. Starting from the first position:
- a screwing action on the screw 710’ rotates the retaining element 70’ around the axis of the screw 710’ until it abuts against a first abutment surface 72’, this position of the retaining element 70’ corresponding to the first intermediate position;
- a further screwing action on the screw 710’ translates the retaining element 70’ along the axis of the screw 710’ towards the edge 46’ while it abuts on an extension 721’ of the first abutment surface 72’ that continues to prevent the rotation of the retaining element 70’ around the same axis as the screw 710’, until the second position is reached and the clamping action is exerted; while, starting from the second position:
- an unscrewing action on the screw 710’ brings the retaining element 70’ into abutment against a second abutment surface 73’ located on the other side of the retaining element 70’ with respect to the first abutment surface 72’ and its extension 721’, this abutment preventing the rotation of the retaining element around the axis of the screw 710’ and forcing the retaining element 70’ to translate along the axis of the screw 710’ and along the second abutment surface 73’ towards the first intermediate position, the clamping action thus being released;
- a further unscrewing action brings the retaining element to an end 731’ of the second abutment surface 73’ in which a position corresponding to the first intermediate position is reached and the retaining element 70’ is free to rotate around the axis of the screw 710’ when a further unscrewing is exerted, until the first position is reached.
When in the first position the retaining element 70’ is located in a respective seat 74’ provided in a rear portion of the hollow fixing body 40’. Advantageously, the retaining element 70’ has a free tip 700’ that is curved towards the edge 46’, so that the clamping action in the second position can also be achieved with a small thickness of the sheet portions of the support 5’.
As indicated in the introduction, the invention also relates to a lock 1 ’ comprising a lock plate 2’, a strike-plate 3’ for receiving a spring-latch 20’ mounted on the lock plate 2 ’and a coupling device 4’ for the strike-plate. In said lock 1’ the coupling device 4’ and the strike-plate 3’ are a magnetic coupling element 4’ for a strike-plate 3’ of a lock 1’ and the relative strike-plate 3’ according to any one of the embodiments illustrated above.
Opportunely, the versatility of use of the type of magnetic coupling provided between coupling device 4’ and strike -plate 3’ can be exploited, in particular the positioning of the first magnet 60’. To this end, in the lock 1’ the spring-latch 20’ comprises a magnetic portion 21’, preferably a further magnet 21’, which interacts with the first magnet 60’ to bring and keep the spring-latch 20’ inside the hollow seat 31’ of the strike-plate 3’ when the plate 2’ of the lock 1’ is in front of the front opening 310’ of the hollow seat 31’ of the main body 30’ of the strike-plate 3’ itself.
The invention achieves important advantages. In particular, it makes it possible to have wide versatility in the coupling of the strike-plate since the same strikeplate is always coupled in the same way on various types of supports exploiting in particular the magnetic coupling element according to the invention. The coupling device in which the magnetic coupling element is made has very versatile embodiments, in one of which it is particularly suitable for attachment to supports made of profiles (especially metallic). The invention allows an aesthetically pleasing result to be achieved and can also be used with magnetic locks. The invention thus conceived is susceptible to numerous modifications and variants, all falling within the scope of the inventive concept that characterises it. In addition, all the details can be replaced by other technically equivalent elements. In practice, all the materials used, as well as the dimensions, can be any, depending on the needs.

Claims

1. A strike plate (3) for a lock (1) adapted to be associated with a support (4), in particular a door or window frame (4), comprising:
- a main body (30) provided with a hollow seat (31) for the insertion, via a front opening (310) of the hollow seat (31) itself, of a spring-latch (20) of a lock plate (2) of the lock (1), the main body (30) being destined to be inserted into a cavity (40) in the support (4) with the front opening (310) oriented towards outside the cavity and at a position corresponding with the spring latch (20) when the lock plate (2) of the lock (1) is in front of the front opening (310) of the hollow seat
(31) of the main body (30) of the strike-plate (3) itself;
- fixing means (5) of the main body (30) to the support (4), in particular to walls of the cavity (40) in the support (4); characterized in that said fixing means (5) comprises:
- a first magnet (50) fixed to the main body (30) in a bottom (32) of the main body (30) itself on the other side of said main body (30) with respect to the front opening (310) of the hollow seat (31);
- a second magnet (51) to be fixed to a bottom (41) of the cavity (40) in the support (4) in a position corresponding to the first magnet (50) fixed in the bottom (32) of the main body (30) when the latter is inserted in the cavity (40); the second magnet (51), when in front of the first magnet (50), interacting with the first magnet (50) to hold the main body (30) in position inside the cavity (40).
2. A strike plate (3) according to claim 1 characterized in that the first magnet (50) is fixed to the main body (30) in a mounting seat (33) provided in the bottom
(32) of the main body (30) itself on the other side of said main body (30) with respect to the front opening (310) of the hollow seat (31). 3. A strike plate (3) according to claim 2, characterized in that said mounting seat (33) has side walls (330) protruding from the bottom (32) of the main body (30) and destined to get in contact with the bottom (41) of the cavity (40) in the support (4) when the main body (30) is inserted in the cavity (40) itself, the side walls (330) of the mounting seat (33) providing a space where the second magnet (51) is housed when it is in front of the first magnet (50) and interacts with it to hold the main body (30) in position inside the cavity (40).
4. A strike plate (3) according to any of the claims from 1 to 3, characterized in that the second magnet (51) can be fixed to the bottom (41) of the cavity (40) in the support (4) by means of at least one screw (53), the second magnet (51) preferably being provided with at least one through-hole (510) for the passage of said at least one screw (53).
5. A strike plate (3) according to claim 4, characterized in that the second magnet (51) is a disc-like body having a central hole (510) for the passage of the at least one screw (53).
6. A strike plate (3) according to any of the claims from 1 to 5, characterized in that it comprises a flange-like abutment portion (34) destined to abut on a front surface (42) of the support (4) when the main body (30) is inserted into the cavity (40).
7. A strike plate (3) according to claim 6, characterized in that said flange-like abutment portion (34) surrounds completely the front opening (310) of the hollow seat (31) of the main body (30).
8. A strike plate (3) according to any of the claims from 1 to 7, characterized in that the first magnet (50) is destined to interact with a magnetic portion (21) provided on the spring latch (20) to bring and keep it inside the hollow seat (31) when the lock plate (2) of the lock (1) is in front of the front opening (310) of the hollow seat (31) of the main body (30) of the strike-plate (3) itself.
9. A lock (1) comprising a lock plate (2) and a strike-plate (3) to receive a springlatch (20) mounted in the lock plate (2), characterized in that the strike-plate (3) is a strike-plate according to any of the claims from 1 to 8.
10. A lock (1) according to claim 9, characterized in that the spring-latch (20) comprises a magnetic portion (21), preferably a further magnet (21), which interacts with the first magnet (50) to bring and keep the spring-latch (20) inside the hollow seat (31) of the strike-plate (3) when the lock plate (2) of the lock (1) is in front of the front opening (310) of the hollow seat (31) of the main body (30) of the strike-plate (3) itself.
11. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’), wherein the magnetic coupling element (4’) is a coupling device (4’) that comprises a hollow fixing body (40’) which can be housed in a seat (50) of a support (5), in particular in a seat (50’) of a door or window frame (5’), the hollow fixing body (40’) being provided with related fixing means (41’) to the support (5’) and defining a seat (42’) for the insertion and housing of the strikeplate (3’), and wherein the strike-plate (3’) comprises:
- a main body (30’) provided with a hollow seat (31’) for the insertion, via a front opening (310’) of the hollow seat (31’) itself, of a spring-latch (20’ ) of a lock plate (2’) of the lock (1’), the main body (30’) being able to be inserted and housed into the seat (42’) provided in the coupling device (4’) at a position corresponding with the spring latch (20’) when the lock plate (2’) of the lock (1’) is in front of the front opening (310’) of the hollow seat (31’) of the main body (30’) of the strike-plate (3’) itself; - fixing means (6’) of the main body (30’) to walls of the seat (42’) provided in the coupling device (4’); characterized in that said fixing means (6’) of the main body (30’) to walls of the seat (42’) provided in the coupling device (4’) comprises:
- a first magnet (60’) fixed to the main body (30’) in a bottom (32’) of the main body (30’) itself on the other side of said main body (30’) with respect to the front opening (310’) of the hollow seat (31’);
- a second magnet (61’) to be fixed to a bottom (43’) of the seat (42’) provided in the coupling device (4’) in a position corresponding to the first magnet (60’) fixed in the bottom (32’) of the main body (30’) when the latter is inserted in the seat (42’) provided in the coupling device (4’); the second magnet (61’), when in front of the first magnet (60’), interacting with the first magnet (60’) to hold the main body (30’) in position inside the seat (42’) provided in the coupling device (4’).
12. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’) according to claim 11, characterized in that the first magnet (60’) is fixed to the main body (30’) in a mounting seat (33’) provided in the bottom (32’) of the main body (30’) itself on the other side of said main body (30’) with respect to the front opening (310’) of the hollow seat (31’).
13. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’) according to claim 12, characterized in that said mounting seat (33’) has side walls (330’) protruding from the bottom (32’) of the main body (30’) and destined to get in contact with the bottom (43’) of the seat (42’) provided in the coupling device (4’) when the main body (30’) is inserted in the seat (42’) itself, the side walls (330’) of the mounting seat (33’) providing a space where the second magnet (61’) is housed when it is in front of the first magnet (60’) and interacts with it to hold the main body (30’) in position inside the seat (42’).
14. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’) according to any of the claims from 11 to 13, characterized in that the second magnet (61) is located in a related further seat (44’) obtained at the bottom (43’) of the seat (42’) provided in the coupling device (4’).
15. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’) according to claim 14, characterized in that said related further seat (44’) obtained at the bottom (43’) of the seat (42’) provided in the coupling device (4’) is equipped with one or more guiding elements (440’) to allow a secure positioning of the second magnet (61’).
16. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’) according to claim 14 or 15, characterized in that said related further seat (44’) obtained at the bottom (43’) of the seat (42’) provided in the coupling device (4’) is equipped with at least one guiding pin (441’) to be inserted in a through hole (610’) provided in the second magnet (61’).
17. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’) according to claim 16, characterized in that the second magnet (61’) is a disc-like body having a central hole (610’) for the passage of the at least one guiding pin (441’).
18. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’) according to any of the claims from 14 to 17, characterized in that the coupling device (4’) comprises one or more snap-type retaining elements (442’) acting on lateral edges (611’) and/or on a free surface (612’) of the second magnet (61’) to keep it into said related further seat (44’) obtained at the bottom (43’) of the seat (42’) provided in the coupling device (4’).
19. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’) according to any of the preceding claims from 11 to 18, characterized in that the strike-plate (3’) comprises a flange-like abutment portion (34’) destined to abut on a front surface (45’) of the hollow fixing body (40’) when the main body (30’) is inserted into the seat (42’) for the insertion and housing of the strike-plate (3’) which is provided in the hollow fixing body (40’) itself.
20. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’) according to claim 19, characterized in that when the strikeplate (3’) is positioned with its main body (30’) housed into the hollow fixing body (40’) said flange-like abutment portion (34’) covers all those parts of the fixing means (541’) of the hollow fixing body (40’) to the support (5’) which are located onto the hollow fixing body (40’) on that part of it located on that side wherefrom the main body (30’) of the strike-plate (3’) is inserted into the hollow fixing body (40’).
21. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’) according to claim 19 or 20, characterized in that said flangelike abutment portion (34’) surrounds completely the front opening (310’) of the hollow seat (31’) of the main body (30) of the strike-plate (3’).
22. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’) according to any of the claims from 11 to 21, characterized in that the first magnet (60’) is destined also to interact with a magnetic portion (21’) provided on the spring latch (20’) to bring and keep it inside the hollow seat (31’) when the lock plate (2’ ) of the lock ( 1’ ) is in front of the front opening (310’) of the hollow seat (31’) of the main body (30’) of the strike-plate (3’) itself.
23. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’) according to any of the claims from 11 to 22, characterized in that the coupling device (4’) comprises fixing means (7’) to sheet-like portions of the support (5’) which are located at least in correspondence with the opening of the seat (50’) in the support (5’) itself, said fixing means (7’) comprising:
- at least a couple of retaining elements (70’) located in correspondence of a perimeter of the hollow fixing body (40’), at positions diametrically opposed with respect to an axis (X) of the hollow fixing body (40’) perpendicular to the front opening (310’) of the hollow seat (31’) when the main body (30’) is located into the hollow fixing body (40’);
- for each retaining element (70’), a respective activating device (71’) which can be acted upon by a user to move the retaining element (70’) back and forth between a first position and a second position; wherein in the first position the retaining element (70’) does not protrude outside the perimeter of the hollow fixing body (40’), while in the second position the retaining element (70’) protrudes outside the perimeter of the hollow fixing body (40’) and exerts a clamping action in combination with a border (46’) of a front face (45’) of the hollow fixing body (40’) destined to abut on flat portions of the support (5’) outside the seat (50’) when the hollow fixing body (40’) is inserted in it, in this condition the clamping action being destined to be exerted on said sheet- like portions of the support (5’).
24. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’) according to claim 23, characterized in that when acting upon the activating device (71’) so that the movement of the retaining element (70’) starts from the first position and goes toward the second position, the retaining element (70’) is:
- first rotated into a first intermediate position where the retaining element (70’) protrudes outside the perimeter of the hollow fixing body (40’) and is located at a predetermined distance from said border (46’) which does not activate any clamping actions;
- then forced to translate towards said border (46’) until activation of the clamping action is carried out and the second position is reached; whereas when acting upon the activating device (71’) so that the movement of the retaining element (70’) starts from the second position and goes toward the first position, the retaining element (70’) is:
- first forced to translate away from said border (46’) until the clamping action is released and the first intermediate position is reached;
- then rotated from the first intermediate position to the first position.
25. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’) according to claim 24, characterized in that the activating device (71’) comprises a screw (710’) which can be acted upon at the front face (45’) of the hollow fixing body (40’) and is engaged in a threaded hole in the respective retaining element (70’).
26. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’) according to claim 25, characterized in that starting from the first position:
- a screwing action on the screw (710’) makes the retaining element (70’) rotate around the axis of the screw (710’) until abutment against a first abutment surface (72’), this position of the retaining element (70’) corresponding to the first intermediate position;
- a further screwing action on the screw (710’) makes the retaining element (70’) translate along the axis of the screw (710’) towards the border (46’) while abutting on an extension (721’) of the first abutment surface (72’) that continues to impede rotation of the retaining element (70’) around the same axis of the screw (710’), until the second position is reached and the clamping action is carried out; whereas, starting from the second position:
- an unscrewing action on the screw (710’) brings the retaining element (70’) in abutment against a second abutment surface (73’) located on the other side of the retaining element (70’) with respect to the first abutment surface (72’) and its extension (721’), this abutment impeding rotation of the retaining element around the axis of the screw (710’) and forcing the retaining element (70’) to translate along said axis of the screw (710’) and along the second abutment surface (73’) towards the first intermediate position, the clamping action being thus released;
- a further unscrewing action brings the retaining element at an end (731’) of the second abutment surface (73’) where a position is reached that corresponds to the first intermediate position and the retaining element (70’) is free to rotate around the axis of the screw (710’) when further unscrewing is carried out, until reaching the first position.
27. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’) according to any of the claims from 24 to 26, characterized in that when in the first position the retaining element (70’) is located in a related seat (74’) provided in a back portion of the hollow fixing body (40’).
28. Magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and related strike plate (3’) according to any of the claims from 23 to 27, characterized in that the retaining element (70’) has a free tip (700’) which is curved towards the border (46’), so that the clamping action at the second position may be reached also with a small thickness of the sheet-like portions of the support (5’).
29. A lock (1’) comprising a lock plate (2’), a strike-plate (3’) to receive a spring- latch (20’) mounted in the lock plate (2’) and a coupling device (4’) for the strikeplate (3’) characterized in that the coupling device (4) and the strike-plate (3)’ are a magnetic coupling element (4’) for a strike-plate (3’) of a lock (1’) and a related strike-plate (3’) according to any of the claims from 11 to 28.
30. A lock (1’) according to claim 29, characterized in that the spring-latch (20’) comprises a magnetic portion (21’), preferably a further magnet (21’), which interacts with the first magnet (60’) to bring and keep the spring- latch (20) inside the hollow seat (31’) of the strike-plate (3’) when the lock plate (2’) of the lock (1’) is in front of the front opening (310’) of the hollow seat (31’) of the main body (30’) of the strike-plate (3’) itself.
PCT/IB2025/050968 2024-02-01 2025-01-29 Strike-plate of lock with magnetic coupling, magnetic coupling element for strike-plate of lock and relative strike-plate Pending WO2025163510A1 (en)

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IT202400002052 2024-02-01
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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09177391A (en) * 1995-12-28 1997-07-08 Alpha Corp Door lock
FR2965001A3 (en) * 2010-09-16 2012-03-23 Bonaiti Serrature Spa Magnetic actuator lock for simplified interior door, has forend for fixation of lock on leaf of door, magnet housed inside bolt, and follower equipped with lever that is inserted at interior of bolt
US20120161457A1 (en) * 2009-09-08 2012-06-28 Alban Giacomo - S.P.A. Strike plate for spring-latch locks, particularly with a magnetic spring-latch
EP2248968B1 (en) * 2009-04-28 2017-10-25 Alban Giacomo S.p.A. Strike plate for spring-latch locks, particularly with a magnetic spring latch
DE202019102906U1 (en) * 2019-05-23 2019-09-16 Suncolor Hardware Co., Ltd Finely adjustable latch housing for a door lock
US20190292811A1 (en) * 2016-07-14 2019-09-26 Bonaiti Serrature S.P.A. Strike assembly for locks
US20210254367A1 (en) * 2018-12-04 2021-08-19 Sphinx Electronics Gmbh & Co Kg Self-adjusting locking piece for a locking unit
IT202100020525A1 (en) * 2021-07-30 2023-01-30 Mypro Res S R L LOCKING DEVICE FOR WINDOWS

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09177391A (en) * 1995-12-28 1997-07-08 Alpha Corp Door lock
EP2248968B1 (en) * 2009-04-28 2017-10-25 Alban Giacomo S.p.A. Strike plate for spring-latch locks, particularly with a magnetic spring latch
US20120161457A1 (en) * 2009-09-08 2012-06-28 Alban Giacomo - S.P.A. Strike plate for spring-latch locks, particularly with a magnetic spring-latch
FR2965001A3 (en) * 2010-09-16 2012-03-23 Bonaiti Serrature Spa Magnetic actuator lock for simplified interior door, has forend for fixation of lock on leaf of door, magnet housed inside bolt, and follower equipped with lever that is inserted at interior of bolt
US20190292811A1 (en) * 2016-07-14 2019-09-26 Bonaiti Serrature S.P.A. Strike assembly for locks
US20210254367A1 (en) * 2018-12-04 2021-08-19 Sphinx Electronics Gmbh & Co Kg Self-adjusting locking piece for a locking unit
DE202019102906U1 (en) * 2019-05-23 2019-09-16 Suncolor Hardware Co., Ltd Finely adjustable latch housing for a door lock
IT202100020525A1 (en) * 2021-07-30 2023-01-30 Mypro Res S R L LOCKING DEVICE FOR WINDOWS

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