EP3788903A1 - Fermeture à renforcement magnétique - Google Patents

Fermeture à renforcement magnétique Download PDF

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Publication number
EP3788903A1
EP3788903A1 EP19196271.1A EP19196271A EP3788903A1 EP 3788903 A1 EP3788903 A1 EP 3788903A1 EP 19196271 A EP19196271 A EP 19196271A EP 3788903 A1 EP3788903 A1 EP 3788903A1
Authority
EP
European Patent Office
Prior art keywords
closure
engagement element
engagement
locking
counter
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.)
Granted
Application number
EP19196271.1A
Other languages
German (de)
English (en)
Other versions
EP3788903B1 (fr
Inventor
Bojan Poljansek
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.)
Moplan Studio Za Oblikovanje d o o
Original Assignee
Moplan Studio Za Oblikovanje d o o
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 Moplan Studio Za Oblikovanje d o o filed Critical Moplan Studio Za Oblikovanje d o o
Priority to EP19196271.1A priority Critical patent/EP3788903B1/fr
Publication of EP3788903A1 publication Critical patent/EP3788903A1/fr
Application granted granted Critical
Publication of EP3788903B1 publication Critical patent/EP3788903B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
    • A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
    • A44B11/258—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts fastening by superposing one part on top of the other
    • A44B11/2584—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts fastening by superposing one part on top of the other followed by sliding in the main plane of the buckle
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/18—Fasteners for straps, chains or the like
    • A44C5/20—Fasteners for straps, chains or the like for open straps, chains or the like
    • A44C5/2071—Fasteners for straps, chains or the like for open straps, chains or the like with the two ends of the strap or chain overlapping each other and fastened by an action perpendicularly to the main plane of these two ends
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44D—INDEXING SCHEME RELATING TO BUTTONS, PINS, BUCKLES OR SLIDE FASTENERS, AND TO JEWELLERY, BRACELETS OR OTHER PERSONAL ADORNMENTS
    • A44D2203/00—Fastening by use of magnets

Definitions

  • the invention relates to a closure system with a first closure element with a connection area which is connectable or connected to an object and a closure area which comprises at least one first magnet, a second closure element with a connection area which is connectable or connected to an object, and a closure area which comprises at least one magnetic area, optionally a second magnet.
  • the first magnet in the first closure element and the optional second magnet in the second closure element are aligned in such a way that they overlap each other.
  • the first magnet and the magnetic area, or the optional second magnet preferably lie next to one another, essentially completely overlapping one another, when the locking system is in a locking position in which the first locking element and the second locking element are held together by magnetic force without the locking system being locked is.
  • One aspect of the invention relates to a closure system with a first closure element with a connection area that is connectable or connected to an object, and a closure area that comprises at least one first magnet or a first magnetizable area, a second closure element with a connection area that is connected to a Object is connectable or connected, and a closure area which comprises at least one area made of a material that is attracted by a magnet or optionally a second magnet, the first magnet in the first closure element and the optional second magnet in the second closure element attract each other so that the first closure element and the second closure element are held together by the attraction force in a first position, a zero position or a closed position without the closure system being closed, the first closure element and / or the second closure element comprises at least one engagement element and the first closure element and / or the second closure element comprise at least one counter-engagement element, wherein the at least one engagement element and the at least one counter-engagement element is movable in order to close the closure system in a second position so that it cannot be unintentionally
  • the at least one engagement element can preferably be moved linearly, elastically deformed, rotated or pivoted about a pivot axis relative to the at least one counter-engagement element.
  • first closure element and the second closure element must preferably be brought closer to one another by hand and then move into the closed position with the aid of a magnet, that is to say automatically.
  • the locking system comprises the first and the second magnet
  • each of the magnets has a north pole and a south pole. So that the magnets attract each other, the north pole of the first magnet must be opposite the south pole of the second magnet, or vice versa. If two identical poles are opposite each other, they repel each other. The user of the connection system can thus reliably determine when the two closure elements are rotated through 180 ° in a connection axis of the closure system.
  • connection axis should be referred to here as the longitudinal axis of the connection system, that is, the axis that is perpendicular to the force vector of the magnetic force and preferably in the middle, that is, at the same distance from the longitudinal sides of the two closure elements or parallel to them through the connection area and the closure area of the first Closure element and the second closure element runs.
  • the connecting axis extends in the linear direction, that is, a movement in the linear direction is generally to be understood as a movement along the longitudinal or connecting axis.
  • the magnets then hold the first closure element and the second closure element together in the first position solely by magnetic force.
  • the first magnet of the locking system and the second magnet of the locking system preferably substantially completely overlap in the closed position. This can be achieved, for example, by the coordinated geometries of the first closure element and the second closure element by designing the two connection areas so that when the closure elements are preferably guided into the closed position by hand, the first magnet essentially comes to rest next to the second magnet.
  • the relative movement that guides the locking system from the locking position into the locking position can be any movement, for example a linear movement, an elastic deformation, a rotary movement, a pivoting movement, a combined linear-rotary or linear-pivoting movement , etc.
  • one of the closure elements can form a guide for the other closure element, so that the movement from the closed position into the closed position is a guided movement.
  • the same can also apply to the movement from the closed position back into the closed position, in which the closure elements can be separated from one another again, that is, the closure system can be opened.
  • the locking system is not intended for a single connection of the first locking element and the second locking element, but for multiple locking and opening, such as with a belt, a buckle on a backpack or another connection of this type.
  • the movement from the closed position into the closed position can differ from the movement from the closed position into the closed position in order, for example, to be able to disconnect the connection quickly in an emergency.
  • the steps for locking and securing or unlocking and returning the locking system to the closed position can also be summarized as a mechanism, a locking mechanism or an opening mechanism. That is, if one of these terms is used in the description or the claims, the mechanism comprises, for example, at least the first magnet, optionally the second magnet and a device for moving the first closure element relative to the second closure element.
  • the device can be the user of the locking system, an elastic band, a lever, a preferably electric drive or any other type of device for moving two parts relative to one another.
  • the two magnets can in principle maintain their relative position, for example if it is a pure rotary movement by which the locking system is moved into the locking position.
  • the locking system comprises a securing device which can be moved relative to the magnets and which is in the locking position of the locking system in a first position and is moved from the first position to a second position in order to secure the locking system in the locking position.
  • the movement from the locking position to the locking position comprises a linear component
  • the first magnet and the second magnet which are arranged in the locking position at least essentially in such a way that two opposite end faces of different polarities of the magnets at least essentially overlap, in the Movement shifted relative to each other in the closed position.
  • the shape of the magnet or magnets or the magnetizable material is not specified.
  • the magnet / magnets / magnetizable material can have any shape.
  • the two magnets can be identical or have different circumferential shapes and / or different thicknesses.
  • the surfaces lying against one another when they are attracted are preferably planar and run parallel to one another.
  • the magnet can have a continuous thickness or, for example, can be wedge-shaped.
  • the first magnet and the second magnet can then not or only partially overlap in the closed position, preferably overlap a maximum of half. This also applies if the first closure element moves linearly relative to the second closure element during the movement from the closed position into the closed position and preferably also from the closed position back into the closed position and / or about an axis of rotation that is perpendicular to the linear direction, for example in the direction of the force vector of the magnets, points, is twisted or pivoted.
  • the locking system can also be guided from the locking position to the locking position by moving the first locking element relative to the second locking element in the direction of the force vector of the magnets, that is, the two locking elements are pressed together in the locking position.
  • the first locking element can then be rotated relative to the second locking element, for example, so that the two locking elements can be tilted relative to one another in order to open the locking system, to separate the two locking elements from one another.
  • the opening can also be assisted by a lever, for example if the Habel is pivotally attached to one of the connecting elements and is supported on the other connecting element to open the locking system.
  • the locking system can be opened easily in the locking position or can open by itself so that the first connecting element is separated from the second connecting element, the locking system in the locking position can no longer open unintentionally by itself, nor can it be opened unintentionally by the user without the locking system being returned to the locking position beforehand or being consciously opened by the user via an emergency opening function.
  • the first or second locking element comprises at least one engagement element which interacts with at least one counter-engagement element arranged on the other of the first or second locking element.
  • This can be, for example, an engagement element on one of the closure elements in the form of, for example, a pin, a rail or a hook, which engages in a counter-engagement element, for example in the form of a recess, a groove, a slot or an opening in the other closure element.
  • the pin can, for example, be mushroom-, L-, T- or double-T-shaped in a cross-section along its longitudinal axis and, in the closed position of the locking system, engage in the recess, the groove or the slot or the recess, groove, the slot or the Engage behind the opening in such a way that the connection between the engagement element and the counter-engagement element in the closed position can no longer be separated before the two closure elements are again in the closed position.
  • the shape of the engagement element and the type of engagement in the counter-engagement element are not restricted to a specific shape, but can have any design that produces a secure connection.
  • securing element can be used, which then represents the engagement element and / or the counter-engagement element, without this making reading and understanding the application unreasonably difficult.
  • the locking system in a first embodiment comprises the first locking element, the second locking element, the two magnets, the engagement element and the counter-engagement element.
  • the engagement element is encompassed by one of the closure elements, the counter-engagement element by the other of the closure elements.
  • the engagement element and / or the counter-engagement element are preferably originally formed with the respective closure element, that is, formed in one piece, for example in an injection molding process, a generative manufacturing process such as 3D printing or another preferably tool-independent technology.
  • the engagement element and / and the counter-engagement element can also preferably be separate parts which first have to be connected to the closure element. At least one of the engagement element and the counter-engagement element can be connected to the closure element in such a way that it can be moved relative to the closure element.
  • the material for the securing element can be a rigid, partially elastic or elastic material.
  • connection areas with the magnets can be connected to an elastic tension element, for example an elastic band, or one of the connection areas can be rigidly connected, for example to a suitcase body, while the other is connected to an elastic band.
  • the locking system can be moved in both directions from the locking position to the locking position
  • the Movement from the closed position into the closed position generally only takes place in one direction, preferably the direction of the connection area with the elastic band.
  • first closure element and the second closure element can be rotated or pivoted relative to one another. Finally, the first closure element and the second closure element can also be pressed against one another in order to reach the closure position, as described above.
  • the two closure elements are designed in such a way that at least one of the closure elements can be tilted relative to the other in the closed position.
  • a tilt axis can be formed, for example, by an outer edge or an outer edge of one of the connecting elements in the closure area defined above, or the tilt axis can be formed by an edge next to the magnets that essentially overlap one another.
  • the first locking element and the second locking element are connected to one another in such a way that tilting about a potential tilting axis is blocked by the connection of the engagement element with the counter-engagement element in the locking position.
  • This blocking can be achieved, for example, in that one of the closure elements or the engagement element engages the other closure element or the counter-engagement element or engages behind this in some areas and / or secures it in the closed position by connecting the engagement element to the counter-engagement element.
  • the locking system can comprise an additional lever with which the engagement element can be moved into engagement with the counter-engagement element or the counter-engagement element can be moved into engagement with the engagement element.
  • first closure element and the second closure element each comprise a magnet which connects the two closure elements to one another in the closed position or holds them to one another.
  • the first closure element and the second closure element are positioned relative to one another only by the force of attraction of the magnets, without the two closure elements being secured against unintentional detachment from one another as a result.
  • the locking position is achieved in that an engagement element is brought into operative connection with a counter-engagement element by means of the lever, so that the connection of the two locking elements is secured against unintentional loosening in the locking position.
  • the first closure element and the second closure element can comprise interacting guides which support the movement of the two closure elements into the correct closed position when the magnets move attract each other.
  • the lever can be connected, for example, in a swivel joint with the first closure element or with the second closure element, so that it can move relative to the closure element or elements from a first position, in which the engagement element and the counter-engagement element are separated from one another, into a second position, in which engages the engagement element in the counter-engagement element or vice versa, can be pivoted.
  • the lever can be biased into the first position, for example by a spring device, so that the movement of the lever from the second position into the first position is supported. It is more important that the lever is secured in the second position, for example in an over-center position or by some other preferably mechanical measure or design, so that it does not move by itself or unintentionally can pivot back to the first position. Numerous well-known options are available to the person skilled in the art, which are dealt with in detail here.
  • the engagement element or the counter-engagement element can be part of the lever, for example manufactured together with the lever or subsequently connected to the lever in a fixed or captive manner. That is, when the lever is moved, the engagement element or the counter-engagement element is also automatically moved, which, because it is firmly connected to the lever, is practically itself part of the lever. Every movement of the lever, no matter how small, thus directly causes a movement of the engagement element or the counter-engagement element.
  • the engagement element or counter-engagement element connected to the lever can be a rigid body or an elastic body which can deform during the movement into operative engagement with the counter-engagement element or engagement element.
  • the elastic property can be predetermined by the material itself and / or, for example, by partial material weakening of the engagement element or counter-engagement element.
  • the engagement element or the counter-engagement element can be movably or rigidly connected to the first closure element or the second closure element. If the connection is rigid, the engagement element or counter-engagement element can preferably be elastically deformable in order to be in or out of engagement with the respective counter-element depending on the position of the lever. In this case, when the lever moves into the second position, it can act on the engagement element or the counter-engagement element in order to secure the engagement element in the counter-engagement element in the closed position.
  • the securing connection between the engagement element and the counter-engagement element can be made due to the elasticity of the material of the engagement element and / or the counter-engagement element or by a restoring force acting on the engagement element or counter-engagement element, for example a spring force, can be released so that the locking system can be opened.
  • the engagement element or counter-engagement element can be pivotably connected to the lever. That is, the lever comprises two pivot axes, a first which connects the lever to the corresponding securing element, and a second pivot or rotation axis in which the engagement element or the counter-engagement element is connected to the lever.
  • the engagement element or the counter-engagement element can be biased, for example by a spring device, into a position that it must assume in order to secure the engagement element in the counter-engagement element when the lever is in the second position and thus the locking system is in the closed position.
  • the securing element and the locking element to which the lever is connected can be shaped so that the securing element is reliably removed from the lever by moving the lever against the spring force Engagement is released, whereby the locking system is brought back into the closed position.
  • the lever can only serve to separate the two magnets from one another.
  • the first closure element has to be moved relative to the second closure element, for example moved linearly, in order to transfer the closure system from the closed position into the closed position. The same movement must take place in order to guide the locking system from the locking position back into the locking position.
  • the lever In the locked position, the lever can move out of the first Position can be moved to the second position, whereby the two magnets are separated from each other.
  • the lever is used both to move the engagement element with the counter-engagement element into and out of engagement with one another and to separate the two magnets from one another in order to open the locking system.
  • the lever can assume three defined positions, an open position in which it separates the two magnets from one another, a central position in which the locking system is in the closed position and a safety position in which the locking system is in the locked position.
  • the lever is pretensioned in the middle position so that the two magnets, as already described several times, can hold the connecting elements together unsecured by means of the magnetic force. From this central position, the lever can be moved into the locking position in order to secure the locking system in the locking position.
  • the lever When the locking system is opened, the lever can be moved into the central position in order to bring the locking system into the locked position, and from the central position against the spring force into the open position in which the two magnets are lifted from one another. As soon as the lever is released in the open position, it automatically returns to the central position so that the magnets can reconnect the locking element in the closed position.
  • the magnets can be so strong that they move the locking system not only into the locking position, but also directly from the locking position into the locking position.
  • the locking system can then be opened with the lever described above.
  • the first connecting element and the second connecting element can comprise a base plate and a housing connected or connectable to the base plate.
  • the lever can in particular be connected to the housing in a swivel joint.
  • the engagement element and the counter-engagement element if not encompassed by the lever, are generally connected to the corresponding housing or are formed by the corresponding housing, that is, the engagement element with the housing of the first closure element and the counter-engagement element with the housing of the second closure element, or vice versa.
  • the invention also encompasses mixed forms of the embodiments described above that are not expressly described. That is to say, all of the features that are described for a specific embodiment can be combined with one another if the features are not mutually exclusive.
  • a further aspect relates to a method for closing and securing a locking system with a first connection element, with a first magnet and an engagement element or a counter-engagement element, and a second connection element, with a magnetizable area or optionally a second magnet and the other of the engagement element or counter-engagement element, wherein in a first step the first magnet with the magnetizable area or the optional second magnet is brought into overlap, so that the first magnet and the magnetized area or the optional second magnet attract each other, whereby the first connecting element and the second connecting element in one Are closed position in which the locking system is not yet locked, in a second step the first connecting element and / or the second connecting element is moved by means of a mechanism from the closed position into a closed position in which the engagement element comes into engagement with the counter-engagement element and secures the locking system in the locking position.
  • the locking system is preferably a previously described embodiment of the locking system or a combination of several of the described embodiments.
  • the Figure 1 shows a first embodiment of a locking system 100 according to the application.
  • the closure system 100 consists of a first closure element VE1 and a second closure element VE2.
  • the first closure element VE1 and the second closure element VE1 each comprise a connection area 12a, 12b, which is designed to be connected to an object, such as the end of a loop, a band, a wire, etc., and a closure area 11a, 11b which is prepared to lock the locking system 100.
  • the first closure element VE1 further comprises a magnet M1
  • the second closure element VE2 comprises a magnet M2.
  • the magnets M1 and M2 are parts of a mechanism 200 with which the locking system 100 can be moved into a locking position VS and from this into a securing position SP.
  • One of the magnets M1, M2 can be replaced by an area on the first or second closure element VE1, VE2 which comprises magnetizable material or is formed from magnetizable material.
  • the first closure element VE1 comprises a base plate 17a and a housing 18a, which have an opening 21a, the closed edge of which is formed by the housing 18a and the base plate 17a.
  • the housing 18a of the first closure element VE1 comprises parts of the connection area 12a and parts of the closure area 11a.
  • the connection area 12a is sickle-shaped, the closure area 11a has a partially circular shape, with an open circular section TK on the housing 18a at an end of the connection area 11a facing away from the closure area 12a.
  • the base plate 17a has, at least in the connection area 12a, a circumferential shape which essentially corresponds to that of the housing in this area.
  • the base plate 17a in the connecting area 11a differs from the shape of the housing 18a in the area of the open circular section TK, where the base plate 17 protrudes inward into the opening 21a and forms a web 22a that bridges the open circular section TK of the housing 18a.
  • the magnet M1 is arranged centrally in the web 22a.
  • the web 22a can alternatively consist of a magnetizable material.
  • the first connecting element VE1 has the shape of a cat's head with two ears and a flat chin.
  • the second connecting element VE2 also comprises a sickle-shaped or arched connecting area 12b, with which the connecting element VE2 can be connected to an object.
  • the second connecting element VE2 comprises a housing 18b which forms the connecting area 12b and the closing area 11b, the closing area 11b having a circular opening 21b and, apart from the area where the closing area 11b merges into the connecting area 12b, has a circular circumferential shape.
  • the base plate 17b essentially has the shape of the housing 18b and protrudes into the opening 21b at an end of the opening 21b facing the connecting region 12b in order to form a web 22b in which the magnet 2 is arranged.
  • the web 22b can alternatively consist of a magnetizable material.
  • the locking system 100 is shown in a locking position SP, in which the magnet 1 and the magnet 2 overlap and the locking area 11b of the second connecting element VE2 lies within the opening 21a and with its end facing the connecting area 12a rests on the web 22a.
  • the two magnets M1, M2 are aligned so that a north pole of one magnet faces a south pole of the other magnet, so that the two magnets M1, M2 attract each other and hold the connecting elements VE1, VE2 in the closed position SP without the locking system secure against unintentional opening.
  • the connecting area 12a of the first connecting element VE1 is connected to an object 1, for example an elastic band
  • the connecting area 12b of the second connecting element VE2 is connected to an object 2, for example an elastic band.
  • connection element VE1 forms a counter-engagement structure 14
  • second connection element VE2 forms an engagement structure 13 with which the counter-engagement structure 14 can interact.
  • the Figure 3 shows the connection system 100 in the closed position VP, which was achieved in that the first connection element VE1 was moved linearly relative to the second connection element VE2, so that the second connection element VE2 was partially moved into or through the open pitch circle section TK of the housing 18a of the first connecting element VE1.
  • the detailed sketch shows that the counter-engaging structure 14 of the first connecting element VE1 engages in the engaging structure 13 of the second connecting element VE2, whereby the magnets M1 and M2 are simultaneously displaced relative to one another along the longitudinal axis L of the locking system 100.
  • the second connecting element VE2 is now secured in the first connecting element VE1 and the locking system can no longer be opened in the locking position VP that is now assumed without the locking system 100 previously being in the Figure 2 shown closed position is moved back.
  • the second connecting element VE2 can be released from the first connecting element VE1 by tilting about an imaginary tilting axis, the magnets M1 and M2 being separated from one another at the same time.
  • the arrow in the middle sketch shows the direction of the swivel movement. This tilting is possible because an inner circumference of the opening 21a is larger than the outer circumference of the connecting region 11b of the second connecting element VE2.
  • the second connecting element VE2 In the tilted position, the second connecting element VE2 can be easily removed from the first connecting element VE1.
  • the arrow in the right sketch of the Figure 4 shows the direction in which the second closure element VE2 can be removed from the first closure element VE1.
  • the invention also includes any other opening shape, such as triangular, square, polygonal, oval, and any other shape that enables the second connecting element VE2, as in FIG Figure 4 shown, can be moved relative to the first connecting element VE1.
  • the Figure 5 shows an exemplary embodiment of the subject matter of the application in which the first connecting element VE21 comprises a lever 15 which is connected to the first connecting element VE21 in a swivel joint SW1.
  • the first connecting element VE21 comprises a lever 15 which is connected to the first connecting element VE21 in a swivel joint SW1.
  • the first connecting element VE21 is moved linearly relative to the second connecting element VE22, so that the engagement element 213 and the counter-engagement element 214 in engagement with one another, the locking system 200 in the locking position VP against unintentional loosening to back up.
  • the lever 15 is a pure opening lever that is actuated to open the locking system 200 in the closed position SP, that is, to separate the magnets M1 and M2 from one another, so that the first connecting element VE21 can be removed from the second connecting element VE22 without any effort .
  • the Figure 6 shows how the lever 15 is supported on the housing 218b of the second connecting element VE22 and, via the lever action, pushes the first connecting element VE21 away from the second connecting element VE22.
  • first connecting element VE21 comprises a base plate 217a and the second connecting element VE22 comprises a base plate 217b.
  • the connection area 212 is formed by the pegs Z, which can be connected to a first object 1 (not shown) or a second object 2 (not shown) that are to be coupled to the locking system 200.
  • the arrow in the upper sketch of the Figure 5 indicates the directions of the pivoting movement of the lever 15.
  • the Figure 7 shows a further exemplary embodiment of a locking system 300 in which the lever 15 is firmly connected to the engagement element 313, so that the engagement element 313 follows every movement of the lever 15.
  • the locking system 300 is shown in the locking position VP, in which the first connecting element VE31 cannot be separated or removed from the connecting element VE32.
  • the arrow in the top sketch shows the directions of the pivoting movement of the lever 15 into the locking position, or the opening position for the locking system 300.
  • the connecting element VE32 comprises the counter-engaging element 314, which is designed here as a simple stop for the engaging element 313, the engaging element 313 additionally resting on a support 23 which prevents the engaging element 313 from being elastically deformed when forces in the shown locking position VP act on the locking system 300, which could open the locking system 300.
  • the first connecting element VE31 comprises a fitting area 24 on the housing 318a, which cooperates with a mating fitting area 25 on the housing 318b of the second connecting element VE32 so that the locking system 300 is reliably moved into the closed position by the magnets M1, M2 Figure 8 shows is moved. Unlike when running the Figures 5 and 6 the lever 15 does not act here as an aid for pushing apart the magnets M1 and M2.
  • the engagement element 313 must be elastically deformable in order to be moved by means of the lever 15 into engagement with the counter-engagement element 314. This elasticity can be given by the material and / or produced or supported by partial material weakenings, as can be seen in the figures.
  • the first connecting element VE31 comprises a base plate 317a and the second connecting element VE32 comprises a base plate 317b.
  • the connection area 312a, 312b is formed by the pegs Z, which can be connected to a first object 1 (not shown) and a second object 2 (not shown) that are to be coupled to the locking system 300.
  • the closure areas 311a, 311b at least partially overlap one another.
  • the magnets M1, M2 are not moved when the closure system 300 is transferred from the closed position SP into the closed position VP or from the closed position VP into the closed position SP.
  • Figure 9 shows a further embodiment of a locking system 400 in a sectional view transverse to the longitudinal axis L of the locking system 400 and in a sectional view along the longitudinal axis L.
  • the arrow in the upper sketch of FIG Figure 9 shows the directions of the pivoting movement of the lever 15 into the safety position, or the opening position for the locking system 400.
  • the closure system 400 consists of a first closure element VE41, with a closure area 411a and a connection area 412a, and a second connection element VE42, with a closure area 411b and a connection area 412b.
  • the first connecting element VE41 comprises a magnet M1
  • the second connecting element VE42 comprises a magnet M2.
  • the first closure element VE41 comprises a base plate 417a and a housing 418a.
  • the second closure element VE42 comprises a base plate 417b and a housing 418b.
  • the base plate 417a, 417b and / or the housing 418a, 418b include the connection area 412a, 412b, which is formed in the form of pins Z, which can be connected to a first object 1 or a second object 2, not shown.
  • the engagement element 413 is connected to the housing 418b of the second connecting element VE42 in such a way that it can be moved relative to the housing 418b.
  • the engagement element 413 is for example in FIG a swivel joint SW3 is connected to the housing 418a, the swivel axis running at least substantially parallel to the longitudinal axis L of the locking system 400.
  • the engagement element 413 consists of two separate parts 413a and 413b, which are constructed identically.
  • a spring element 16 acts on the engagement element 413 and is elastically compressed or elastically deformed when the engagement element 413 is moved into engagement with the counter-engagement element 414.
  • the spring element 16 by resuming its original shape, helps to pivot the engagement element 413 in the swivel joint SW3 and thereby at the same time to separate the second locking element VE42 from the first locking element VE41.
  • the two parts 413a and 413b together form the engagement element 413, which cooperates with a counter-engagement element 414 formed by the housing 418b in order to secure the locking system 400 in the locking position VP.
  • the magnets M1, M2 can be designed in such a way that they have a mutual attraction force that the locking system 400, respectively the first locking element VE41 and the second locking element VE42, into the Closed position SP and moved from the closed position directly into the closed position VP.
  • the attractive force of the magnets M1, M2 is so great that at the end of the movement of the first connecting part VE41 into the closed position with the second connecting part VE42, the engagement element 413 is automatically moved into the position in which the engagement element 413 with the counter-engagement element 414 is in operative connection, for example locked, so that at the end of the movement, the locking system 100 '"in the in the Figure 9 locking position shown is VP.
  • the lever 15 can also be in the Figure 9 position shown can be moved. Alternatively, the lever 15 can be moved by hand into said position before the magnets M1, M2 move the locking system 400 into the closed position SP.
  • the lever 15 can, for example, by a spring element in the Figure 10 shown position, so that he, when he is not about to open the locking system 400 against the spring force is moved, always automatically in the Figure 10 position shown.
  • the locking system 400 can be moved manually from the locking position SP into the locking position VP.
  • locking system 400 is the Figure 9 seen in the open.
  • the lever 15 is moved into the open position shown, whereby the free ends 15a, 15b of the lever 15, which are in the Figure 10 can be seen, is moved downward against the housing 418b of the second closure element VE42 and thereby pushes the engagement element 413 out of operative engagement with the counter-engagement element 414.
  • the second connecting element VE42 can be lifted from the first connecting element VE41 at the same time, so that a distance between the magnets M1 and M2 is increased.
  • the Figure 11 shows a further embodiment of a closure system 500.
  • the housing 518b of the second closure element VE52 comprises the engagement element 513.
  • the counter-engagement element 514 is connected to the housing 518a of the first closure element VE51 so that it is in the direction of the longitudinal axis L of the closure system 500 in a first position (thick black line) in which the engagement element 513 is in engagement with the counter-engagement element 514, and in a second position (thin black line) in which the engagement between engagement element 513 and counter-engagement element 514 is released.
  • the counter-engagement element 514 is biased into the first position and can be moved from the first position into the second position by the lever 15 when the locking system 500 is to be opened.
  • the magnets M1, M2 may be designed such that the engaging element 513 is brought into engagement with the counter-engaging element 514 by the attraction force of the magnets M1, M2.
  • the force exerted by the magnet M1, M2 must be greater than the force required to move the counter-engaging element 514 against the pretensioning force. in order to enable engagement of the engagement element 513 in the counter-engagement element 514.
  • the counter-engagement element 514 is then automatically moved back into the starting position, so that the locking system 500 is in the locking position VP, which is in the Figure 11 is shown, secures.
  • the Figure 12 shows a further exemplary embodiment of a locking system 600 in which the engagement element 613 is connected to the lever 15 in a swivel joint SW2.
  • the engagement element 614 is encompassed by the second closure element VE62, it is connected to the second closure element VE62 or is formed by it.
  • the first closure element VE61 comprises at least one first magnet M1
  • the second closure element VE62 comprises at least one second magnet.
  • the locking system 600 here representative of all locking systems described, can have a magnetizable area instead of the first magnet M1 or instead of the second magnet M2, for example a plate made of magnetizable metal or an area made of plastic with inclusions made of magnetizable material , etc.
  • the force of attraction between the first magnet M1 and the second magnet M2 or the magnetizable area and one of the magnets M1, M2 can be so great that the first closure element VE61 and the second closure element VE62 automatically move into the closed position SP and from the closed position SP into the Closure position VP can be moved without the need for a further linear or rotary movement.
  • the lever 15 is connected in a known manner to the first closure element VE61 in a swivel joint SW1.
  • the engagement element 613 can be in the locking position VP, which is shown in the upper sketch of FIG Figure 12 is shown, be biased, so that when closing the closure system 600, the first closure element VE61 and the second closure element VE62 are not only held in the closed position SP, but are moved further into the closed position VP.
  • the magnetic force must be so great that the engagement element 613 is deflected against the pretensioning force to such an extent that it comes into engagement with the counter-engagement element 614 can.
  • the first locking element VE61 comprises a guide nose 12 which deflects the engagement element 613 against the spring force when the lever 15 is opened, so that the engagement element 613 can be moved out of engagement with the counter-engagement element 614.
  • the lever 15 can be shaped at its end near the swivel joint SW1 in such a way that it is supported on the second closure element VE62 during the opening movement and thereby lifts the first closure element VE61 from the second closure element VE62, so that the magnets M1 and M2 are separated from one another.

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EP19196271.1A 2019-09-09 2019-09-09 Fermeture à renforcement magnétique Active EP3788903B1 (fr)

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EP19196271.1A EP3788903B1 (fr) 2019-09-09 2019-09-09 Fermeture à renforcement magnétique

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Application Number Priority Date Filing Date Title
EP19196271.1A EP3788903B1 (fr) 2019-09-09 2019-09-09 Fermeture à renforcement magnétique

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EP3788903A1 true EP3788903A1 (fr) 2021-03-10
EP3788903B1 EP3788903B1 (fr) 2024-05-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210220199A1 (en) * 2020-01-22 2021-07-22 Autochair Limited Lifting System

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040107547A1 (en) * 2002-12-10 2004-06-10 Taiwan Industrial Fastener Corporation Structure of magnetic buckle
WO2014090926A1 (fr) * 2012-12-14 2014-06-19 Fidlock Gmbh Dispositif de fermeture pour relier deux pièces de manière détachable
EP2848149A2 (fr) * 2013-09-13 2015-03-18 Hai Pin Tsai Boucle de suspension de type fendue
US20150216269A1 (en) * 2014-02-03 2015-08-06 Ef Designs, Ltd. Magnetic jewelry clasp and method of using the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040107547A1 (en) * 2002-12-10 2004-06-10 Taiwan Industrial Fastener Corporation Structure of magnetic buckle
WO2014090926A1 (fr) * 2012-12-14 2014-06-19 Fidlock Gmbh Dispositif de fermeture pour relier deux pièces de manière détachable
EP2848149A2 (fr) * 2013-09-13 2015-03-18 Hai Pin Tsai Boucle de suspension de type fendue
US20150216269A1 (en) * 2014-02-03 2015-08-06 Ef Designs, Ltd. Magnetic jewelry clasp and method of using the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210220199A1 (en) * 2020-01-22 2021-07-22 Autochair Limited Lifting System
US11642268B2 (en) * 2020-01-22 2023-05-09 Autochair Limited Lifting system

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