Classifications

• • 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
  • E05B47/0044—Cylinder locks with magnetic tumblers
• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
  • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
  • E05C3/02—Fastening devices with bolts moving pivotally or rotatively without latching action
  • E05C3/04—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt
  • E05C3/041—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt rotating about an axis perpendicular to the surface on which the fastener is mounted
  • E05C3/042—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt rotating about an axis perpendicular to the surface on which the fastener is mounted the handle being at one side, the bolt at the other side or inside the wing
• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
  • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
  • E05B35/008—Locks for use with special keys or a plurality of keys ; keys therefor for simple tool-like keys
• • 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
  • E05B47/0045—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets keys with permanent magnets

Definitions

• the present invention relates to a lock, in particular a latch lock, comprising a lock housing with a locking core rotatably mounted in the lock housing, wherein the locking core is configured at a first end accessible from a front of the lock for the torque-transmitting insertion of a key, in particular a key-type key, and wherein the lock has locking means which, when the key is removed, block rotation of the locking core in the lock housing between an open position and a closed position.
• the invention further relates to a key, in particular a key-type key, for such a lock and to a locking system, in particular a latch lock system, comprising such a lock and such a key.
• Fasteners such as latches and the like are used in the prior art as industrial fittings, for example, for locking thin-walled sheet metal doors.
• Simple latches have a locking profile on the locking core, for example, in the form of a square or a square recess, for inserting a key with a corresponding key profile, such as a key with a square hollow profile or square profile, so that high torques can be transmitted from the key to the locking core and thus to the locking bolt.
• the often quite high frictional forces between the locking bolt and a locking surface of a frame surrounding the sheet metal door, which is engaged by the locking bolt can be overcome when opening or closing the latch.
• the disadvantage of such latches lies in their low security against unauthorized operation, as such Latch locks can be easily opened or closed, even without a suitable key, for example using pliers.
• latch locks are known from the prior art in which a conventional cylinder lock is integrated into, or rather, into the locking core.
• a conventional cylinder lock has a locking core with a keyway, whereby movable locking elements, such as locking plates (in plate cylinders), locking discs (in disc cylinders), or locking pins (in pin cylinders), block the rotation of the locking core in the lock housing unless the locking elements are mechanically moved into a specific position by the key contour of a matching key inserted into the keyway.
• movable locking elements such as locking plates (in plate cylinders), locking discs (in disc cylinders), or locking pins (in pin cylinders)
• latch locks To transmit high torques despite using a conventional cylinder lock, it is still common practice to provide a separate rotary handle for opening or closing the latch lock, in addition to the cylinder lock for unlocking.
• latch locks have the disadvantage of increased operating complexity and require significantly more installation space.
• the present invention is based on the objective of providing a closure, in particular a latch closure, and a key for such a closure. to propose a closure and a closure system that overcomes at least one or some of the disadvantages of the prior art described above.
• a closure in particular a latch closure, with a closure housing and with a locking core rotatably mounted in the closure housing, wherein the locking core is designed at a first end accessible from a front of the closure for the torque-transmitting insertion of a key, in particular a key-type key, and wherein the closure has locking means which, when the key is removed, block rotation of the locking core in the closure housing between an open position and a closed position, wherein the locking means are designed to release the rotation of the locking core in the closure housing between the open position and the closed position when a key, in particular a key-type key, with a predetermined magnetic arrangement is inserted onto the first end of the locking core.
• a robust and compact closure in particular a latch closure, is provided, to whose locking core high or higher torques can preferably be transferred by attaching and turning a key, and which at the same time offers a certain basic security against opening or closing without a suitable key.
• the fastener can be, in particular, a latch fastener.
• the locking core preferably has a rotating tongue at a second end.
• the rotating tongue can, in particular, be detachably connected to the locking core.
• the fastener can then preferably transmit high or higher torques to the rotating tongue, for example, to lock it behind a counter surface or to move it out of a locked position behind a counter surface.
• the locking mechanism is a rod lock, for example, a door rod lock.
• a second end of the locking core is preferably coupled to one or more rods in such a way that a rotary movement of the locking core is converted into a linear movement of the one or more rods.
• the locking core can carry a gear at its second end that meshes with a corresponding section, such as a rack section, of a rod of the rod lock.
• the locking mechanism is an axial lock.
• a contour that can be moved axially can be provided at a second end of the locking core. This contour can be moved into a corresponding contour, for example on a frame, to lock the locking mechanism and/or out of the contour to unlock it.
• the second end of the locking core has a contour, such as a screw or bayonet profile, which can be rotated into a corresponding contour, for example on a frame, to lock the locking mechanism and/or out of the contour to unlock it. Combinations of these configurations are also conceivable.
• the lock is designed in the form of a profile cylinder.
• the lock housing in particular, can have the shape of a profile cylinder.
• This allows the lock to be used instead of a conventional cylinder lock, for example, instead of a disc cylinder, a flat cylinder, or a pin tumbler cylinder.
• the lock can thus be easily integrated into locking devices for profile cylinders.
• Such a lock in the form of a profile cylinder preferably has a locking lug that is rotationally fixed to the locking core.
• the locking means are designed to release the rotation of the locking core in the lock housing between the open and closed positions when a key with a predetermined magnetic arrangement is placed on the
• a magnetic unlocking function is provided, so that the key contour and the corresponding lock contour of the locking core can be optimized geometrically and mechanically, preferably for the transmission of high torques, for example, by being designed to be more robust.
• the locking core is designed at a first end, accessible from the front of the lock, for the torque-transmitting insertion of a key. In this way, the locking core can be actuated by inserting a suitable key when the locking mechanisms release the rotation of the locking core.
• the first end of the locking core is preferably designed such that a suitable key can be positively fitted onto the first end of the locking core, enabling torque transmission from the key to the locking core with respect to the axis of rotation of the locking core.
• Fitting the key can also include inserting a protruding part of the key's contour, for example, a polygonal contour, into a corresponding recess at the first end of the locking core.
• the locking mechanisms are designed to prevent the locking core from rotating within the lock housing between an open and a closed position when the key is removed.
• the locking mechanisms can be designed to block the locking core from rotating within the lock housing from the open to the closed position when the key is removed.
• the locking mechanisms can be designed, for example, to block the rotation of the locking core within the lock housing from the locked to the unlocked position when the key is removed. It is not necessary, although conceivable, for the locking mechanisms to prevent any rotation of the locking core within the lock housing when the key is removed.
• a design is conceivable in which the locking core can move from an intermediate position between the unlocked and locked positions into either the unlocked or locked position even when the key is removed, and the locking mechanisms only engage upon reaching the unlocked and/or locked position.
• the locking mechanisms are designed to release the rotation of the locking core within the lock housing between the open and closed positions when a key with a predefined magnetic arrangement is placed on the first end of the locking core.
• the locking mechanisms are therefore specifically configured for magnetic interaction with the predefined magnetic arrangement, which releases the rotation of the locking core.
• the lock By adapting the locking mechanisms to a specific magnetic arrangement of a key, the lock is magnetically coded. Operating the lock therefore requires the use of a matching key with the specified magnetic arrangement, while operation with a key without a magnetic arrangement or with a magnetic arrangement that differs from the specified one is only possible to a limited extent, for example, only in intermediate positions between the open and closed positions, or not at all.
• the specified magnetic arrangement thus determines the lock's design.
• the locking mechanisms are specifically adapted to the specified magnetic arrangement, so that inserting a matching key with The specified magnetic arrangement causes the locking means to release the rotation of the locking core.
• a key preferably a snap-on key, particularly for the previously described lock or an embodiment thereof.
• the key has a handle part and a snap-on part, which may also be formed in one piece.
• the snap-on part has a key contour, in particular a polygonal contour, for torque-transmitting insertion onto a locking core of a lock, in particular the previously described lock or an embodiment thereof.
• the key has a magnetic arrangement on the snap-on part, in particular for magnetic interaction with locking elements of a lock, in particular the previously described lock or an embodiment thereof.
• the key in question is, in particular, a socket key, for example, a multi-sided key.
• the key can have, in particular, an outer and/or inner contour, such as a multi-sided contour, which allows the key to be fitted onto a corresponding counter contour, in particular an inner and/or outer contour, of a lock.
• An example of a socket key with an outer contour is a key with an external square drive.
• An example of a socket key with an inner contour is a key with an internal square drive. It is also conceivable that a key has both an outer and an inner contour.
• a locking system in particular a latch locking system, with the previously described locking mechanism or an embodiment thereof and with a key suitable for the locking mechanism, in particular the previously described key or an embodiment thereof.
• the key for the locking system is a key that fits the locking system.
• the key and the lock are specifically adapted to each other such that the locking core is designed at its first end for the torque-transmitting insertion of the key, and that the locking elements of the latch lock are configured to release the rotation of the locking core within the lock housing between the open and closed positions when the key is inserted onto the first end of the locking core.
• the magnetic arrangement of the key is the specified magnetic arrangement for which the locking elements are designed to release the rotation of the locking core within the lock housing between the open and closed positions when a key with this specified magnetic arrangement is inserted onto the first end of the locking core.
• the locking core has a lock contour, in particular a polygonal contour, at its first end for the torque-transmitting insertion of a key, preferably a socket key, especially a polygonal key.
• a lock contour allows for the transmission of preferably high or higher torques when a socket key with a corresponding key contour is inserted.
• lock contours for socket keys are very robust compared to the keyways of conventional cylinder lock systems, especially under adverse environmental conditions such as dusty environments.
• the lock contour can in particular, they may have one or more depressions and/or one or more protrusions.
• the lock profile of the locking core is designed for the torque-transmitting insertion of a key. Accordingly, the lock profile is specifically designed so that, when a corresponding key is inserted, the lock profile forms a positive fit with the key profile for torque transmission.
• the lock profile can, for example, have a recess, such as a polygonal recess, to receive a corresponding projection, such as a polygonal projection, of the key profile of an associated key.
• the lock profile can, for example, have a projection, such as a polygonal projection, to engage in a corresponding recess, such as a polygonal recess, of the key profile of an associated key.
• the locking core can also have a contoured part with a lock contour, in particular an outer contour, wherein the contoured part can, for example, project laterally beyond the lock housing at its first end.
• the key can accordingly have a key contour adapted to the lock contour, in particular an inner contour.
• the contoured part is flat and bounded by an outer contour at the edge, which forms the lock contour.
• This allows for a very flat design of the lock contour. This prevents, for example, a user from getting caught on a protruding part of the lock contour. Furthermore, this design reduces the number of points of attack for tampering.
• the key can therefore preferably have an inner contour that defines a flat area in which, for example, the magnet arrangement is located. or one or more magnets can be arranged within it. In this way, a robust key with a flat design can be provided.
• the lock contour for example the outer contour, and/or the key contour, for example the inner contour, can also be rounded, for example in the shape of a preferably oval. This improves the tamper resistance of the lock, as the rounded shape of the lock contour offers fewer points of attack for foreign tools, such as pliers.
• the predetermined magnetic arrangement comprises a predetermined number of magnets, each with a predetermined position.
• the predetermined magnetic arrangement comprises a predetermined number of magnets, each with a predetermined position and a predetermined polar orientation.
• the magnetic arrangement comprises two or more magnets, each with a predetermined position and optionally a predetermined polar orientation. More preferably, at least two magnets in the magnetic arrangement have different polar orientations, preferably antiparallel polar orientations.
• two magnets in the magnetic arrangement can have polar orientations that are oriented at an angle to each other, for example, at a right angle.
• the magnetic arrangement comprises one or more magnets arranged at a given position, wherein preferably at least two magnets have different polar orientations, particularly preferably antiparallel polar orientations.
• the magnetic arrangement can improve the security of the lock against unauthorized operation.
• different magnetic arrangements can be implemented for keys of the same geometry, so that a key can be magnetically coded for a corresponding lock, allowing the corresponding lock to be unlocked with that key, but not a lock that requires a differently magnetically coded key.
• the locking means comprise a locking element that is slidably mounted between a locking position, in which the locking element blocks the rotation of the locking core in the lock housing between the open and closed positions, and a release position, in which the locking element releases the rotation of the locking core in the lock housing between the open and closed positions.
• the rotation of the locking core can be selectively locked or released easily and reliably.
• the locking element is designed to interact positively with the lock housing and the locking core in the closed position such that rotation of the locking core in the lock housing is blocked.
• the locking means comprise several locking elements which are slidably mounted between a respective locking position, in which the locking elements block the rotation of the locking core in the locking housing between the opening position and the closing position, and a respective release position, in which the locking elements release the rotation of the locking core in the locking housing between the opening position and the closing position.
• the one or more locking elements can, for example, be mounted in a way that allows displacement axially and/or radially with respect to the axis of rotation of the locking core.
• both one or more axially displaceable locking elements and one or more radially displaceable locking elements are provided. These In this way, good vibration resistance of the locking mechanism and also increased security against manipulation are achieved.
• the locking core has a receptacle in which the locking element is slidably mounted.
• the locking core preferably has several receptacles, each with a slidably mounted locking element. This allows for a particularly compact design of the lock.
• the receptacle can be formed, for example, by a blind or through-hole in the locking core, or by a peripheral receptacle that is at least partially formed by the locking core.
• one or more receptacles are arranged in the lock housing, preferably one or more corresponding recesses are provided in the locking core into which the locking elements engage in the locked position, thus blocking rotational movement between the locking core and the lock housing.
• the locking means comprise several locking elements that are mounted in receptacles arranged around the axis of rotation of the locking core in the lock housing and/or in the locking core, and which, in the locked position, engage in a corresponding recess in the locking core and/or lock housing.
• at least two, and preferably all, of the receptacles and/or corresponding recesses arranged around the axis of rotation of the locking core have different distances from the axis of rotation of the locking core.
• the locking means in particular the one or more locking elements, are preferably arranged at a distance from the lock contour, preferably such that the locking means, in particular the one or more locking elements, do not have direct contact with the key when a key is placed on the first end of the locking core.
• the one or more receptacles and/or associated recesses are spaced away from the lock contour.
• the lock has a retaining element designed to hold the locking element in the closed position when the key is removed, through magnetic interaction, particularly between the retaining element and the locking element. This increases the lock's resistance to vibration, ensuring that even in the presence of mechanical vibrations or shaking, the locking elements remain securely in the closed position when the key is removed, thus preventing the lock from being opened or closed without the key.
• the retaining element can preferably be designed to hold all multiple locking elements in the closed position when the key is removed, through magnetic interaction between the retaining element and the locking element.
• the magnetic interaction between the retaining element and the locking element(s) is preferably an attractive interaction. However, it is also conceivable that the magnetic interaction between the retaining element and the locking element(s) is an attractive interaction.
• the locking element can be a magnet or include a magnet
• the holding element can also be a magnet or be made of a ferromagnetic material, for example as a ferromagnetic metal plate, such as a steel plate, or as a ferromagnetic pin, such as a steel pin.
• the locking element is designed to move into the release position when a key with the specified magnetic arrangement is placed on the first end of the locking core, by means of magnetic interaction, in particular magnetic repulsion, between the locking element and the magnetic arrangement.
• the locking elements are preferably designed to move into the release position when a key with the specified magnetic arrangement is placed on the first end of the locking core, by means of magnetic interaction, in particular magnetic repulsion, between the locking elements and the magnetic arrangement. Unlocking by means of magnetic repulsion between the magnetic arrangement and the one or more locking elements enables a reliable and smooth unlocking mechanism.
• the magnet arrangement has an associated magnet for each locking element, particularly preferably an associated respective magnet.
• the locking element is a magnet or comprises a magnet.
• at least one, preferably several, of the locking elements are magnets or comprise a magnet.
• the locking element can be held in the locked position, for example, by magnetic attraction to a provided retaining element when the key is removed.
• the locking element can be moved into the release position, for example, by magnetic repulsion to a magnet in the magnetic assembly of a key, when the key is placed on the first end of the locking core.
• the locking element can, in particular, comprise a magnet and a sleeve surrounding the magnet, especially a metal sleeve. This achieves greater shear force resistance of the locking element when blocking rotation of the locking core in the lock housing, thereby increasing the service life of the lock.
• the locking element can also be multi-part and, for example, comprise a magnet and a magnetically connected steel pin, whereby the steel pin, in a locked position, causes the locking core to rotate within the lock housing. This can also increase the lock's durability.
• the lock has a contact surface arrangement for the engagement of the predetermined magnetic arrangement
• the locking means are arranged and designed such that they release the rotation of the locking core in the lock housing between the open and closed positions when the predetermined magnetic arrangement comes into contact with the contact surface arrangement, particularly in a predetermined orientation. This facilitates the operation of the lock, as the user can verify the correct seating of the key on the lock by observing its contact with the contact surface arrangement.
• the contact of the magnetic arrangement with the The distance between the magnet arrangement and the locking means should be kept as small as possible in the arrangement of the mounting surfaces in order to increase the magnetic interaction between the magnet arrangement and the locking means.
• the contact surface arrangement can, in particular, have one or more contact surfaces designed for the contact of one or more magnets of the magnetic assembly.
• the contact surface arrangement is, in particular, arranged such that the magnetic assembly comes into contact with the contact surface arrangement when the key is inserted.
• the one or more contact surfaces of the contact surface arrangement can, in particular, be located at the first end of the locking core and/or on the lock housing.
• the locking elements are preferably arranged in the area of the one or more contact surfaces of the contact surface arrangement, so that when the magnet arrangement is applied, a magnetic interaction occurs between the magnet arrangement and the locking elements, by which the locking elements are moved into the release position.
• the contact surface arrangement is completely or at least partially separate from the lock contour, for example, offset radially outwards or inwards with respect to the rotation axis of the locking core.
• the magnetic arrangement is completely or at least partially located outside the key contour. In this way, the unlocking function can be structurally separated from the torque transmission function, resulting in a more robust design of the lock and the key.
• the contact surface arrangement is at least partially arranged on the lock contour, preferably on an inner surface of a receptacle. the lock contour.
• the magnetic arrangement is at least partially positioned on the key contour. In this way, the lock can be better protected against manipulation by magnets held against it from the outside.
• the locking core is multi-part and comprises a core part arranged in the inner channel of the lock housing and a contour part with the lock contour, wherein the core part and the contour part are rotationally fixed to one another.
• the core part and the contour part can, for example, have corresponding contours with which the core part and the contour part interlock in a form-fitting manner.
• the core part and the contour part can, for example, be held together by a pin or a screw, such as a screw passing through the core part and screwed into an inner contour of the contour part.
• the locking core in particular with core part and contour part, it is possible, for example, to provide the lock with a desired lock contour as required by selecting a suitable contour part from several different types of contour parts.
• the key has a wall thickness of at least 4 mm.
• the key's contour also has a wall thickness of at least 4 mm. This allows for higher torque transmission with the key.
• the lock contour is designed to accommodate a key with a wall thickness of at least 4 mm.
• the key is preferably made at least partially of metal, thus enabling high torque transmission.
• the handle of the key preferably extends at least 2 cm, more preferably at least 3 cm, and particularly preferably at least 4 cm, transversely to the area used for operating the key. intended axis of rotation of the key. In this way, the user can more easily apply higher torques to the key and thus, when the key is attached to the locking cylinder of a lock, to the locking cylinder itself.
• FIG. 1a-g show a first embodiment of the lock, the key and the locking system.
• Fig. 1a shows key 2 in a perspective view from a slightly elevated angle.
• Fig. 1b shows key 2 in a perspective partial view from a low angle.
• Fig. 1c shows the shutter 20 in a perspective view from an oblique angle above or obliquely from the front.
• Fig. 1d The figure shows the lock 20 with the key 2 attached, in a perspective view from a slightly oblique angle above or from the front.
• Fig. 1e and 1f The figures show the lock 20 and the key 2 in a sectional view, before the key 2 is attached to the lock 20 ( Fig. 1e ) and then ( Fig. 1f ).
• Fig. 1g shows the lock 20 with attached key 2 in an installation situation in a side view.
• the closure 20 is designed as a latch closure and the closure system 80 is designed accordingly as a latch closure system.
• the closure 20 could also be designed as a rod closure or axial closure, and the closure system 80 could accordingly be designed as a rod closure system or axial closure system.
• the key 2 is a socket wrench with a handle 4 and a socket 6, which in this example are formed in one piece.
• the socket has a key contour 8, which in this example is designed as a polygonal contour, namely as a square projection. However, other key contours 8 are also conceivable.
• the socket 6 of the key has a collar 10 surrounding the key contour 8 with a magnetic arrangement 12, which comprises several magnets 14 with a predetermined position and predetermined polarity.
• the polarity of the individual magnets is specified in Fig. 1b each is marked by "N" or "S", where one is in Fig. 1b
• the area marked "N" corresponds to the magnetic north pole and is in Fig. 1b
• the area marked "S” corresponds to the magnetic south pole.
• the latch 20 has a latch housing 22 with an inner channel 24 in which a locking core 26 is rotatably mounted about the axis A.
• the latch housing 22 has a collar 30 on its front 28, from which a housing body 32 with an external thread 34 extends.
• the latch 20, with the housing body 32 leading can be inserted into an opening 90 of a thin sheet metal door 92 until the collar 30 comes to rest against the sheet metal door 92.
• the external thread 34 can then be accessed from behind.
• a nut 36 is screwed onto the sheet metal door 92 to fix the latch 20.
• the locking core 26 is designed at its first end 38, accessible from the front 28, for the torque-transmitting insertion of the key 2.
• the locking core 26 has at its first end 38 a lock contour 40 corresponding to the key contour 8, which in this case is designed as a polygonal contour, namely as a square recess to receive the key contour 8, which is designed as a square projection.
• the locking core 26 carries a pivot 44, which is connected to the locking core 26 and pivot 44 via corresponding contours 46, 48 and is fixed to the locking core 26 by means of a screw 50.
• the locking core 26 and thus the pivot 44 can be rotated between an open position and a closed position.
• Fig. 1g Figure 1 illustrates the closed position in the installed state, in which the pivot tongue 44 engages a locking surface 94 of a frame 96 surrounding the sheet metal door 92, thus locking the sheet metal door 92.
• the locking core 26 is rotated by, for example, 90°, the locking core 26, or the pivot tongue 44, moves into an open position in which the pivot tongue 44 no longer engages the locking surface 94, allowing the sheet metal door 92 to be opened.
• the latch lock 20 further comprises locking means 52 which, when the key 2 is removed, block rotation of the locking core 26 in the lock housing 22 between the open and closed positions.
• the locking means 52 comprise Fig. 1a-g Several locking elements 54 are slidably mounted in respective edge-side receptacles 56 of the locking core 26. The locking elements 54 can be moved between a locking position (see ) in the respective receptacles 56. Fig. 1e ) and a release position (see Fig. 1f ) can be moved. In the locked position ( Fig.
• the locking elements 54 engage in respective recesses 58 of a The locking housing 22 engages with the attached form element 60, thereby positively blocking rotation of the locking core 26 within the locking housing 22 between the open and closed positions.
• the release position Fig. 1f
• the locking elements 54 are retracted into the receptacles 56 and do not engage in the recesses 58, so that in this release position the locking elements 54 allow the rotation of the locking core 26 in the locking housing 22 between the open position and the closed position.
• the locking elements 52 are designed to release the rotation of the locking core 26 in the lock housing 22 between the open and closed positions when the key 2 with the magnetic arrangement 12 is placed on the first end 38 of the locking core 26.
• the locking elements 54 being designed as magnets, and by the number, positions, and polar orientations of the magnets 14 of the magnetic arrangement 12 of the key 2 corresponding to the number, positions, and polar orientations of the locking elements 54 such that, when the key 2 is placed on the key, a magnet 14 of the magnetic arrangement 12 and a corresponding locking element 54 with the same magnetic poles are opposite each other, so that a magnetic repulsion force acts on the locking elements 54, which moves the locking elements 54 out of their respective recesses 58 into the release position.
• the latch 20 can be unlocked with a matching key 2 with a predefined magnetic arrangement, while a key of the same shape 8 with a different magnetic arrangement will not unlock the latch 20.
• the latch 20 and key 2 are thus magnetically coded by the number, positions, and polar orientations of the magnets 14 of the magnetic arrangement 12 and the corresponding number, positions, and polar orientations of the locking elements 54.
• a retaining element 62 in the form of a ferromagnetic element is provided on the locking housing 22.
• Sheet metal for example sheet steel, with a central opening 63 for the lock contour 40 is provided.
• the locking elements 54 are held in the recesses 58 by magnetic attraction between them and the retaining element 62.
• the strengths of the magnets 14 and the locking elements 54 which are designed as magnets, are adapted such that when the key 2 is inserted, the magnetic attraction between the locking elements 54 and the retaining element 62 is overcome by the magnetic repulsion between the magnets 14 and the locking elements 54, causing the locking elements 54 to move into the release position.
• magnets can also be used as locking elements 54 in one possible embodiment, each surrounded by a steel sleeve.
• a marking 66 is provided which corresponds to a marking 16 on the key 2 in order to indicate to the user the correct alignment of the key 2 to the latch lock 20 for the correct alignment of the magnetic arrangement 12 to the locking elements 54.
• the end face 64 of the latch 20 simultaneously forms a contact surface 67 of a contact surface arrangement 68 of the latch 20, which is provided for the contact of the magnetic arrangement 12 in the orientation specified by the markings 16 and 66.
• the contact surface 67 is arranged separately from the lock contour 40, specifically radially outside the lock contour 40 with respect to the axis of rotation A.
• the locking elements 54 are also arranged separately from the lock contour 40, namely in the area of the contact surface 67.
• the unlocking function effected by the magnetic interaction between magnet arrangement 12 and locking elements 54 when the magnet arrangement 12 is placed against the contact surface 67, is spatially and structurally separated from the
• the torque transmission function achieved through the positive-locking interaction of key contour 8 and lock contour 40, is separate. This allows the lock contour 40 and the key contour 8 to be optimized for torque transmission, and in particular made more robust, without having to integrate moving or delicate components such as magnets and locking elements directly into the lock contour 40 and the key contour 8.
• FIGS. 2a-g show a second embodiment of the lock, the key and the locking system.
• Fig. 2a shows the key 102 and the lock 120 in perspective view.
• Fig. 2b shows the key 102 and the lock 120 in perspective view with partial breakout according to the in Fig. 2e The cutting plane designated "IIc”.
• Figures 2c and 2d show the key 102 and the lock 120 in a sectional view according to the in Fig. 2e cutting plane designated "IIc”, specifically before the key 102 is attached ( Fig. 2c ) and after inserting the key 102 ( Fig. 2d ).
• the Fig. 2e shows a sectional view according to the one in Fig. 2c
• Fig. 2f shows a sectional view according to the one in Fig. 2d
• Fig. 2g shows one of the Fig. 2f Corresponding sectional view after rotating the locking core by 45°.
• the key 102 and the lock 120 together form a locking system 180.
• the fastener 120 is designed as a latch fastener and the locking system 180 is designed accordingly as a latch fastener system.
• the fastener 120 could, for example, also be designed as a rod fastener or axial fastener and the locking system 180 accordingly as a rod fastener or axial fastener system.
• Key 102 is also a socket key with a handle part 104 and a socket part 106, which in this example are formed in one piece.
• the socket part 106 has a key contour 108, which in this example is designed as a polygonal contour, namely as a cross-shaped projection.
• key contours 108 are also conceivable.
• Key 102 has a magnetic arrangement 112 with several magnets 114 arranged on the key contour 108.
• the magnets 114 are inserted into four radial blind bores 109 in the key contour 108.
• the magnets 114 have predetermined polar orientations, which are partially indicated in the figures with "N" (magnetic north pole) and "S" (magnetic south pole).
• the latch 120 has a latch housing 122 with an inner channel 124 in which a locking core 126 is rotatably mounted about the axis B.
• the latch housing 122 has a collar 130 on its front 128, from which a housing body 132 with an external thread 134 extends.
• the latch 120 can be mounted as described for the latch 20.
• the locking core 126 is designed at its first end 138, accessible from the front 128, for the torque-transmitting insertion of the key 102.
• the locking core 126 has at its first end 138 a lock contour 140 corresponding to the key contour 108, which in this case is designed as a cross-shaped recess to receive the cross-shaped projection of the key contour 108.
• the locking core 126 carries a pivot tongue 144, which is connected to the locking core 126 and pivot tongue 144 in a rotationally fixed manner via corresponding contours 146, 148 and is secured by a screw 150.
• the rotation of the locking core 126 and thus of the pivot tongue 144 between an open position and a closed position with key 102 inserted is achieved analogously as previously described for the latch lock 20.
• the latch lock 120 further comprises locking means 152 which, when the key 102 is removed, prevent the locking core 126 from rotating in the lock housing 122 between the open and closed positions.
• locking elements 154 are mounted in receptacles 156 formed by the locking housing 122 and the locking core 126, allowing them to be radially displaceable with respect to the axis of rotation B.
• Each receptacle 156 comprises a first part 156a formed by the locking housing 122 and a second part 156b formed by the locking core 126.
• the locking elements 154 are each designed in two parts and each comprises a steel pin 154a and a magnet 154b, which are held together by the magnetic force between the steel pin 154a and the magnet 154b.
• the locking elements 154 can be positioned between a locking position in the respective recordings 156 (see Fig. 2c and Fig. 2e ) and a release position (see Fig. 2d and Fig. 2f ) can be moved.
• a locked position Fig. 2c and 2e
• the locking elements 154 are arranged such that the respective steel pins 154a are located in both the first part 156a and the second part 156b of the respective receptacle 156 and thereby positively block rotation of the locking core 126 in the locking housing 122 between the open position and the closed position.
• the release position Fig.
• the locking elements 154 are arranged such that the steel pins 154a are arranged only in the first part 156a and the magnets 154b only in the second part 156b of the receptacle 156, so that in this release position the locking elements 154 allow the rotation of the locking core 126 in the locking housing 122 between the open position and the closed position, and the locking core 126 can move as described in Fig. 2g shown under the respective separation of the steel pins 154a from the magnets 154b, which can be rotated.
• the locking means 152 are designed to release the rotation of the locking core 126 in the locking housing 122 between the open position and the closed position when the key 102 with the magnetic arrangement 112 is placed on the first end 138 of the locking core 126.
• this is achieved by the fact that the number, positions and polar orientations of the magnets 114 of the magnet arrangement 112 of the key 102 correspond to the number, positions and polar orientations of the magnets 154b of the locking elements 154, so that when the key 102 is inserted, a magnet 114 of the magnet arrangement 112 and a respective magnet 154b of the locking element 154 with the same magnetic poles are opposite each other, so that a magnetic repulsion force acts on the magnets 154b, which moves the magnets 154b and thus also the respective steel pins 154a in the receptacle 156 into the release position.
• the latch lock 120 can be unlocked with a matching key 102 with a predefined magnetic arrangement, while a key of the same shape 108 but with a different magnetic arrangement will not unlock the latch lock 120.
• the latch lock 120 and the key 102 are thus magnetically encoded by the number, positions, and polar orientations of the magnets 114 of the magnetic arrangement 112 and the corresponding number, positions, and polar orientations of the magnets 154b of the locking elements 154.
• retaining elements 162 in the form of ferromagnetic elements, for example steel elements, are provided in the lock core 126. Magnetic attraction between the magnets 154b of the locking elements 154 and the retaining elements 162 holds the magnets 154b, and thus the locking elements 154 as a whole, in the locked position.
• the strength of the magnets 114 and the magnets 154b of the locking elements 154 is adapted so that the magnetic attraction between the magnets 154b and the retaining elements 162 is sufficient when the key 102 is inserted.
• the magnetic repulsion force between magnets 114 and magnets 154b overcomes the key 102 and moves the locking elements 154 into the release position.
• the lock contour 140 and the key contour 108 are designed asymmetrically, so that the key contour 108 can only be inserted into the lock contour 140 in a predetermined orientation, in which the correct orientation of the magnet arrangement 112 to the magnets 154b of the locking elements 154 is ensured when the key 102 is inserted.
• contact surfaces 167 of a contact surface arrangement 168 of the latch 20 in the case of the latch 120 are designed for the contact of the magnetic arrangement 112 in the orientation determined by the asymmetrical shape of the lock contour 140 and the key contour 108.
• the contact surfaces 167 are arranged on the lock contour 140 of the latch 120.
• the locking elements 154 are also arranged on the lock contour 140, specifically in the area of the contact surfaces 167.
• FIGS. 3a-1 They show a third embodiment of the lock, the key, and the locking system.
• Fig. 3a-b show key 202 in a perspective view from a slightly oblique angle ( Fig. 3a ) and diagonally downwards ( Fig. 3b ).
• Fig. 3c shows the shutter 220 in a perspective view from obliquely above or obliquely in front, with some parts shown as transparent with dashed lines for the sake of clarity.
• Fig. 3d shows a side view of the key 202 and the lock 220.
• Fig. 3e shows a top view of the 220 shutter.
• Fig. 3f and 3g show perspective views with partial breakout according to the in Fig.
• Fig. 3f The dotted circle further shows an enlarged detail in section view according to the viewing direction marked "X" in the perspective view.
• Fig. 3h and 3i show sectional views according to the in Fig. 3e cutting plane designated "IIIh”, specifically before the key 202 is attached ( Fig. 3h ) and after inserting key 202 ( Fig. 3i ).
• the Fig. 3j, 3k and 3l show sectional views according to the in Fig. 3d cutting plane designated "IIIj", before the key 202 is attached ( Fig. 3j ), after inserting key 202 ( Fig. 3k ) and after turning the locking core 226 with the attached key 202 by 45° ( Fig. 3l ).
• the fastener 220 is designed as a latch fastener and the locking system 280 is designed accordingly as a latch fastener system.
• the fastener 220 could, for example, also be designed as a rod fastener or axial fastener and the locking system 280 accordingly as a rod fastener or axial fastener system.
• the key 202 is a socket key with a handle part 204 and a socket part 206, which in this example are formed in one piece.
• the socket part 206 has a key contour 208, which in this example includes four ring-segment-like projections 209. However, other key contours 208 are also conceivable.
• the socket part 206 of the key has a magnetic arrangement 212 with several magnets 214, 215, each with predetermined positions and predetermined pole orientations. Some of the magnets 214 of the magnetic arrangement 212 are set back from and located between the ring-segment-like projections 209. Surfaces 210 of the attachment part 206 are arranged. A further magnet 215 of the magnet arrangement 212 is arranged in a central surface 211 that is set back from the surfaces 210.
• N magnetic north pole
• S magnetic south pole
• the latch 220 has a locking housing 222 (in Fig. 3c (For clarity, some parts are shown with dashed lines indicating transparency) with an inner channel 224 in which a locking core 226 is rotatably mounted about the axis C.
• the locking housing 222 has a collar 230 on the front 228 of the latch 220, from which a housing body 232 with an external thread 234 extends.
• the latch 220 can be mounted as described for the latch 20.
• the locking core 226 is designed at its first end 238, accessible from the front 228, for the torque-transmitting insertion of the key 202.
• the locking core 226 has at its first end 238 a lock contour 240 corresponding to the key contour 208, which in this case is formed in the form of four recesses 241 corresponding to the ring-segment-like projections 209.
• the locking core 226 carries a pivot 244, which is connected to the locking core 226 and pivot 244 via corresponding contours 246, 248 and is fixed to the locking core 226 by means of a screw 250.
• the rotation of the locking core 226, and thus of the pivot 244, between an open position and a closed position with a key 202 inserted, occurs analogously to the previously described operation for the latch lock 20.
• the latch lock 220 further comprises locking means 252 which, when the key 202 is removed, prevent the locking core 226 from rotating in the lock housing 222 between the open and closed positions.
• the locking means 252 comprise Fig. 3a-1 axial locking elements 254 for axial locking and further a radial locking element 255 for radial locking.
• the axial locking elements 254 are designed in two parts and each comprises a steel pin 254a and a magnet 254b.
• the axial locking elements 254 are each axially displaceable in receptacles 256 formed by the locking core 226 and the locking housing 222.
• Each receptacle 256 accordingly comprises a first part 256a formed by the locking housing 222 and a second part 256b formed by the locking core 226.
• the locking elements 254 can be positioned between a locking position in the respective recordings 256 (see Fig. 3h ) and a release position (see Fig. 3i ) can be moved.
• a locking position in the respective recordings 256 see Fig. 3h
• a release position see Fig. 3i
• the locking elements 254 are arranged such that the respective steel pins 254a are located in both the first part 256a and the second part 256b of the respective receptacle 256 and thereby positively block rotation of the locking core 226 in the locking housing 222 between the open position and the closed position.
• the release position Fig.
• the locking elements 254 are arranged such that the steel pins 254a are arranged only in the first part 256a and the magnets 254b only in the second part 256b of the receptacle 256, so that in this release position the locking elements 254 release the rotation of the locking core 226 in the locking housing 222 between the open position and the closed position and the locking core 226 - when the radial locking element 255 is also in the release position - can be rotated with the respective separation of the steel pins 254a from the magnets 254b.
• the radial locking element 255 is also multi-part and comprises a steel pin 255a and a magnet 255b, as well as two slides 255c-d, which are arranged in a receptacle 257 of the locking core 226.
• the receptacle has a central, axial part 257a in which the steel pin 255a and the magnet 255b are axially displaceable, and a radial part 257b in which the slides 255cd are radially displaceable.
• the slides 255c-d can be moved within the radial part 257b of the receptacle 257 between a respective locking position (see figure). Fig. 3f ) and a release position (see Fig.
• the slides 255c-d of the locking element 255 engage in respective radial recesses 259 in the locking housing 222 and thereby positively block rotation of the locking core 226 in the locking housing 222 between the open position and the closed position.
• the release position Fig. 3g
• the slides 255c-d of the locking element 255 are retracted into the receptacle 257 and do not engage in the recesses 259, so that in this release position the locking element 255 releases the rotation of the locking core 226 in the locking housing 222 between the open position and the closed position.
• the locking means 252 are designed to release the rotation of the locking core 226 in the locking housing 222 between the opening position and the closing position when the key 202 with the magnetic arrangement 212 is placed on the first end 238 of the locking core 226.
• unlocking of the latch lock 220 is achieved by the position and pole alignment of the magnet 215 corresponding to the position and pole alignment of the magnet 255b such that when the key 202 is inserted, the magnet 215 of the magnet arrangement 212 and the magnet 255b are opposite each other with the same magnetic poles, so that a magnetic repulsion force acts on the magnet 255b and thus on the steel pin 255a, which moves the steel pin 255a in the direction of the slides 255c-d.
• Corresponding inclined surfaces 264, 265 are provided on the slides 255c-d and the steel pin 255a, which interact when the steel pin 255a is moved in the direction of the slides 255c-d in such a way that the slides 255c-d are retracted into the receptacle 257 and the locking element 255 is thus moved into the release position.
• the latch lock 220 can be unlocked with a matching key 202 with a predefined magnetic arrangement, while a key of the same shape 208 but with a different magnetic arrangement will not unlock the latch lock 220.
• the latch lock 220 and the key 202 are thus magnetically coded by the number, positions, and polar orientations of the magnets in the magnetic arrangement and the corresponding number, positions, and polar orientations of the locking elements 254.
• retaining elements 262 in the form of ferromagnetic elements are provided in the locking core 226.
• the locking elements 254 are held in the locked position by magnetic attraction between the magnets 254b of the locking elements 254 and the retaining elements 262.
• the strengths of the magnets 214 and the magnets 254b of the locking elements 254 are adapted such that the magnetic attraction between the magnets 254b and the retaining elements 262 is overcome by the magnetic repulsion between the magnets 214 and the magnets 254b when the key 202 is attached, and the locking elements 254 move into the release position.
• a retaining element 263 in the form of a ferromagnetic element is provided in the central receptacle 257a of the locking core 226. Furthermore, corresponding magnets 266 are provided on the slides 255c-d and arranged such that two magnets 266 with the same poles are opposite each other. Magnetic attraction between magnet 255b and the retaining element 263 holds magnet 255b, and thus also the steel pin 255a, in a position away from the slides 255c-d. Magnetic repulsion between the corresponding magnets 266 of the slides 255c-d holds the slides 255c-d in the recesses 241, and thus holds the locking element 255 in the locked position.
• magnet 215, magnet 255b and magnets 266 are adapted such that the magnetic attraction between magnet 255b and the retaining element 263 is overcome by the magnetic repulsion between magnet 215 and magnet 255b when the key 202 is attached, and when magnet 255b and steel pin 255a are moved towards the slides 255c-d, the slides 255c-d are retracted into the receptacle 257 by the interaction of the inclined surfaces 264, 265 against the magnetic repulsion of magnets 266, thus moving the radial locking element 255 into the release position.
• the surfaces 267 between the recesses 241 and the centrally projecting surface 268 form respective contact surfaces of a contact surface arrangement 269 of the latch closure 220, which is provided for the contact of the magnet arrangement 212.
• FIGS. 4a-e show a fourth embodiment of the lock, the key and the locking system.
• Fig. 4a shows the key 302 and the lock 320 in a perspective view from a slant below and a slant behind, respectively.
• Fig. 4b shows the key 302 in a bottom view.
• Fig. 4c shows the 320 lock in a top view of the lock contour.
• Fig. 4d-e show the key 302 and the lock 320 in a three-quarter sectional view according to the one in Fig. 4b-c cutting planes designated "IVd/e", before the key 302 is attached ( Fig. 4d ) and after attaching key 302 ( Fig. 4e ).
• the 320 shutter has a fundamentally similar design to the 20 shutter.
• Fig. 1a-g In this respect, reference is made to the above statements regarding Fig. 1a-g Referenced components are sometimes provided with the same reference symbols, even if they are in Fig. 1a-g and Fig. 4a-e They may be designed differently.
• the closure 320 differs from the closure 20 in that the locking core 326 has at its first end accessible from the front 28 of the closure 320 a contour part 339 which preferably projects laterally beyond the collar 30 of the closure housing 22 and has a lock contour 340 which in this case is designed as an outer contour.
• the collar 30 of the closure housing 22 When installed in an opening in a thin wall, the collar 30 of the closure housing 22 forms a contact surface on one side of the thin wall. From the On the other side of the thin wall, a nut can be screwed onto the external thread 34 to secure the closure in the opening.
• the key 302 has an attachment part 306 with a key contour 308 adapted to the lock contour 340 in the form of an inner contour.
• Several magnets 314 with a predetermined position and polarity orientation are arranged in a recessed area 310 surrounded by the key contour 308, forming a magnet arrangement 312.
• the handle part 304 of the key 302 is formed by a handling contour arranged on the back of the attachment part 306.
• the locking core 326 is formed in multiple parts, comprising the contour part 339 and a core part 327 arranged in the inner channel 24 of the closure housing 22.
• the contour part 339 and the core part 327 are rotationally fixed to one another.
• the contour part 339 has an outer contour 370 and the core part 327 has a corresponding inner contour 371, for example, a polygonal contour, which interlock positively.
• the contour part 339 is also connected to the core part 327 by means of a screw 50, which is guided through the core part 327 and screwed into an internal thread 372 on the contour part 339.
• the multi-part design of the locking core 326 with a separate contour part 339 allows, if necessary, the selection of a contour part from a quantity of different contour parts.
• contour part 339 and core part 327 can also be formed in one piece.
• the collar 30 of the closure housing 22 can be used as in Fig. 4d
• a circumferential seal 323, for example an O-ring, is provided, preferably adjacent to the core part 327, which seals the closure housing 22 to the wall and can also prevent the ingress of moisture between the closure housing 22 and the core part 327.
• the locking means 352 of the latch 320 comprise several locking elements 354, which are slidably mounted in respective edge receptacles 356 of the latch housing 22.
• the locking elements 354 can be moved in the respective receptacles 356 between a locking position (see Fig. 4d ) and a release position (see Fig. 4e ) can be moved.
• the locked position Fig. 4d
• the locking elements 354 engage in respective recesses 358 of the locking core 326 and thereby positively block rotation of the locking core 326 in the locking housing 22 between the open position and the closed position.
• the release position Fig. 4e
• the locking elements 354 are retracted into the receptacle 356 and do not engage in the recesses 358, so that the locking elements 354 allow the rotation of the locking core 326 in the locking housing between the open position and the closed position.
• the locking elements 354 are designed as magnets whose position and pole direction are adapted to the magnet arrangement 312 of the key 302 such that the locking elements 354 are moved into the release position when the key 302 is placed on the key ( Fig. 4d
• the locking elements 354, designed as magnets, and the magnets 314 of the magnet arrangement 312 are arranged and aligned such that, when a key 302 is inserted, each locking element 354 is opposed by a corresponding magnet 314 of the magnet arrangement 314 with antiparallel pole alignment, so that a force acts on the locking element 354, which moves the locking element 354 into the release position.
• retaining elements 362 in the form of ferromagnetic elements are provided in the locking core 326, in the present example in the contour part 339 of the locking core 326, which hold the locking elements 354 in the locked position without an inserted key 302.
• Fig. 4c The magnets 314 and locking elements 354 are adapted so that the holding force between holding element 362 and respective locking element 354 is overcome by the repulsive force between magnet 314 and respective locking element 354 when the key 302 is placed on the key.
• the lock contour 340 and the key contour 308 are asymmetrically designed, so that the key contour 308 can only be placed on the lock contour 308 in a predetermined orientation.
• N magnetic north pole
• S magnetic south pole
• the receptacles 356 and associated recesses 358 for the several locking elements 354 are also spaced at different distances from the axis of rotation D of the locking core 326 (see Fig. 4c This prevents a locking element 354 from moving into a different receptacle 356, and thus into a locking position, during or after pivoting the locking core 326, particularly from the locked position. This would block the rotation of the locking core 326 back into the locked position, for example. As a result, the locking core 326 can be moved freely into the locked position, since the locking elements 354 can only return to their locked positions in their respective receptacles 356 once the locked position is reached and the key 302 has been removed.
• the varying distances of the receptacles 356 from the axis of rotation D of the locking core 326 also allow, for example, an increase in the number of possible combinations for the magnet arrangement 312, since, in addition to the polarity of the individual magnets 314, different radial positions for the individual magnets 314 with respect to the axis of rotation D of the locking core 326 can be selected.
• the magnetic force of the locking elements 354 and the magnets 314 is preferably dimensioned such that a The locking element 354 can only be moved into the respective release position if the associated magnet 314 is positioned at a predetermined distance to the axis of rotation D.
• FIGS. 5a-e show a fifth embodiment of the lock, the key and the locking system.
• Fig. 5a shows the key 402 and the lock 420 in perspective view.
• Fig. 5b shows the key 402 in a top view from the front, showing the key contour.
• Fig. 5c shows the 420 lock in a top view of the lock contour.
• Fig. 5d-e show the key 402 and the lock 420 in three-quarter section view according to the in Fig. 5b-c cutting planes designated "Vd/e", specifically before attaching the key 402 ( Fig. 5d ) and after attaching key 402 ( Fig. 5e ).
• the 420 shutter has a fundamentally similar internal structure to the 20 shutter.
• Fig. 1a-g In this respect, reference is made to the above statements regarding Fig. 1a-g Referenced components are sometimes provided with the same reference symbols, even if they are in Fig. 1a-g and Fig. 4a-e They may be designed differently.
• the lock 420 differs from the lock 20 in that the lock 420 is not designed as a latch lock, but in the form of a profile cylinder with a locking lug 444 that is rotationally fixed to the locking core 426, as in Fig. 4a As shown, the locking mechanism 420 can optionally be held in a predetermined position by a spring 445 when it is not actuated.
• the locking housing 422 has the form of a profile cylinder, so that the locking mechanism 420 can be used instead of a conventional cylinder lock.
• the locking core 426 has a lock contour 440 at its first end, accessible from the front 28 of the lock 420.
• This contour is designed as an inner contour, for example, as a square recess.
• the key 402 accordingly has a fitting 406 with a key contour 408 adapted to the lock contour 440 in the form of a projecting outer contour.
• the lock contour 440 could be designed as an outer contour, for example, as a square projection, and the key contour 408 as an inner contour, for example, a square inner contour.
• the locking means 452 of the latch 420 comprise several locking elements 454 designed as magnets, which are slidably mounted in respective edge receptacles 456 of the latch housing 422.
• the locking elements 454 can be moved in the respective receptacles 456 between a locking position (see Fig. 5d ), in which the locking elements 454 engage in respective recesses 458 of the locking core, and a release position ( Fig. 5e ), into which the locking elements 454 are moved when the key 402 is inserted with adapted magnetic arrangement 412 and release the rotation of the locking core 426 in the locking housing 422.
• the locking core 426 is formed in two parts, comprising a core part 427 arranged in the inner channel 424 of the locking housing 422 and a contour part 439 with the lock contour 440.
• the core part 427 and the contour part 439 are connected to each other in a rotationally fixed manner by means of an outer contour 470 of the core part engaging positively with an inner contour 471 of the contour part 439, and the screw 50 being screwed through the core part 427 into an internal thread 472 in the contour part 439.
• the lock contour 440 and the key contour 408 are asymmetrically designed, so that the key 402 can only be placed on the lock contour 440 in a specific orientation.
• N magnetic north pole
• S magnetic south pole
• the receptacles 456 and associated recesses 458 for the locking elements 454 in the clasp 420 are also spaced at different distances from the axis of rotation of the locking core 426 (see Fig. 5c ), to prevent a locking element 454 from entering a different receptacle 456 and thus a locking position when the locking core 426 pivots, which could, for example, block the rotation of the locking core 426 back to its starting position.
• the retaining element 462 in the closure 420 is designed as a ring-shaped sheet made of ferromagnetic metal, which is inserted into the core part 439.

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• 2023
  • 2023-06-27 EP EP26183551.6A patent/EP4779111A2/fr active Pending
  • 2023-06-27 WO PCT/EP2023/067393 patent/WO2024003010A1/fr not_active Ceased
  • 2023-06-27 US US18/879,475 patent/US12435544B2/en active Active
  • 2023-06-27 JP JP2025500023A patent/JP2025520923A/ja active Pending
  • 2023-06-27 EP EP23735686.0A patent/EP4547925B1/fr active Active
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