EP3354826B1 - Clé améliorée pour un barillet, dispositif de fermeture et procédé - Google Patents

Clé améliorée pour un barillet, dispositif de fermeture et procédé Download PDF

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Publication number
EP3354826B1
EP3354826B1 EP17169334.4A EP17169334A EP3354826B1 EP 3354826 B1 EP3354826 B1 EP 3354826B1 EP 17169334 A EP17169334 A EP 17169334A EP 3354826 B1 EP3354826 B1 EP 3354826B1
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EP
European Patent Office
Prior art keywords
key
movable elements
aperture
recess
broad
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17169334.4A
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German (de)
English (en)
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EP3354826A1 (fr
Inventor
Mario Papagelidis
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.)
Dom Sicherheitstechnik GmbH and Co KG
Original Assignee
Dom Sicherheitstechnik GmbH and Co KG
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.)
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Publication date
Application filed by Dom Sicherheitstechnik GmbH and Co KG filed Critical Dom Sicherheitstechnik GmbH and Co KG
Priority to SI201730065T priority Critical patent/SI3354826T1/sl
Publication of EP3354826A1 publication Critical patent/EP3354826A1/fr
Application granted granted Critical
Publication of EP3354826B1 publication Critical patent/EP3354826B1/fr
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    • 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
    • E05B35/003—Locks for use with special keys or a plurality of keys ; keys therefor for keys with movable bits
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0035—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with indirectly actuated tumblers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0042—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with additional key identifying function, e.g. with use of additional key operated rotor-blocking elements, not of split pin tumbler type

Definitions

  • the present invention relates to a key for a lock cylinder, the key having a key shaft extending along a longitudinal direction with two key broadside faces, the key shank having a recess through the key broadside faces, and in the recess at least two movable members in a spatial direction perpendicular to each other to the longitudinal direction and parallel to the key broadside side surfaces, are arranged side by side. Furthermore, the present invention relates to a locking device with a key and a lock cylinder. Furthermore, the present invention relates to a method for producing a key according to the invention for a locking device.
  • Such key and lock cylinder are for example from the document DE 100 58 590 C1 known.
  • This document shows a key for a lock cylinder with a cooperating with the core pins of the lock cylinder locking recesses key shank in which a spacer is movably mounted, the direction of movement is inclined by an angle of approximately 45 ° to the key broadside.
  • the spacer is a arranged in a slanted slot of the key bit ring, which is interspersed with a stuck in an oblique bore of the key broadside side pin with movement play.
  • Such keys with movable elements are basically known in the art. They serve to increase the counterfeit security of the key. Furthermore, they serve to increase the security of a consisting of the key and an associated lock cylinder locking device.
  • the movable elements increase the possibility of safety-related queries in a lock cylinder and thus increase the security against unauthorized unlocking of the lock cylinder.
  • the documents show DE 699 16 570 T2 and DE 699 20 530 T2 a key in which also a ring is rotatably mounted on a shaft.
  • EP 2 754 792 A1 another key with a recess, wherein a plurality of shafts extending transversely through the recess and the key shank, and wherein on each shaft exactly one ring is rotatably mounted without play.
  • the document shows FR 2 762 345 A1 a key with two recesses, wherein each of the recesses is penetrated by a respective shaft and in each of the recesses a single movable element is arranged.
  • the document shows DE 10 2015 111 914 A1 a key for a lock cylinder, the key extending along a longitudinal direction Key shank having two key broad side surfaces, wherein the key shank has a recess through the key broad side surfaces, wherein a shaft extends through the recess, and wherein the shaft is rotationally fixed in the key shank, wherein in the recess at least two rings are arranged on the shaft side by side, wherein an inner diameter of each ring is larger than an outer diameter of the shaft.
  • the known keys have a key with a recess, a shaft and movable elements, wherein the shaft passes through the recess and the movable elements are arranged in the recess on the shaft.
  • the movable elements have a hole and are formed, for example, as a ring.
  • the shaft is inserted in a through hole which passes through the key shank and the recess from a key narrow side surface to the other key narrow side surface.
  • the making of the hole requires a high degree of precision, since the movable elements must be kept in a precise position.
  • the movable members in the recess must be arranged and held so that the shaft is guided through the bore in the movable members. This also requires a high degree of precision. After that, the shaft must be fixed in the key shaft.
  • the introduction and fixing of the movable elements therefore comprises a series of partly complicated steps.
  • the publication WO 2009/147660 A2 shows locking mechanisms and in particular key blanks for use with cylinder locks.
  • a key for a lock cylinder the key extending along a longitudinal direction extending key shank having two key broadside faces, wherein the key shank has a recess through the key broadside faces, wherein in the recess at least two movable elements in a first spatial direction, which is perpendicular to the longitudinal direction and parallel to the key broadside faces, juxtaposed, wherein the key to each key broadside side surface has at least one holding section which extends into the recess, wherein an extension of the recess in a second spatial direction which is parallel to the key broadside faces, in the region of the holding sections is smaller than a maximum total extension of the at least two movable elements in the second spatial direction such that each of the at least two movable elements is secured in the recess, wherein the recess has a substantially rectangular base plane perpendicular to the third spatial direction has.
  • movable element refers to an element which may initially have any surface contour.
  • a movable elements a ring, a disc, a ball or a cube may be provided.
  • the word movable in the term “movable element” is to be understood as meaning that the element is movably arranged.
  • the movable elements are arranged in the recess such that they are movable in at least one spatial direction.
  • the movable elements are each arranged directly next to one another. "Side by side” means that the movable elements are adjacent, in particular immediately adjacent to each other.
  • extension generally describes a certain spatial extent. Accordingly, the extent of the recess in a spatial direction parallel to the key broadside surfaces is to be understood as a spatial extension into this spatial direction. The maximum extent of the at least two movable elements in the same Direction of space is to be understood as the greatest possible extent of the at least two movable elements in this spatial direction.
  • the movable elements are secured in the recess.
  • the recess and the at least one holding portion are formed so that the at least two movable elements are secured in the recess.
  • the term "secured” denotes a spatial restriction of the at least two movable elements. This means that the at least two movable elements are so limited in space that they can not or only partially leave the area between the two key broadside faces. Thus, the movable elements can not fall out of the recess.
  • the movement of the movable elements is limited perpendicular to the key broadside surfaces.
  • the at least two movable elements are held by the at least one holding section on each of the key broadside side surfaces.
  • the key thus does not have a wave.
  • the movable elements are secured by the holding portions in the recess.
  • the movable elements are positionable and movable in the key, as is the case with a wrench with a shaft. Accordingly, the degree of security of a key according to the invention is at least as high as that of a similar key with a shaft.
  • the wave By omitting the wave, in particular, the number of manufacturing steps is shortened and costs are saved. Furthermore, this creates more freedom for the variations of the key profile.
  • degree of security here means the number and complexity of the security features, for example pens, recesses, etc., as well as the complexity of the relative arrangement of the security features of the key and the lock cylinder relative to one another.
  • a rectangular shape of the base of the recess is particularly suitable for arranging therein symmetrically formed movable elements, such as discs, fitted.
  • a locking device with a key according to the first aspect of the invention or one of its embodiments and with a lock cylinder
  • the lock cylinder comprises a housing and a cylinder core
  • the lock cylinder has at least one locking fuse
  • the at least one Barrier lock between a locked state and a release state is movable and locks a rotational movement of the cylinder core relative to the housing in the locked state and releases in the release state
  • at least one movable element is associated with one of the at least one locking fuse
  • the lock cylinder by fully inserting the bowl in a key channel of the cylinder core is transferred from the locked state to the release state
  • a blocking fuse may in particular be a pin tumbler.
  • further locking devices or pin tumblers can be provided to query other features of the bowl in the closing device.
  • a "support pin” refers to a pin which is fixedly arranged in the cylinder core, for example by pressing. The pin is thus not movable and deflects the respective associated movable element in the fully inserted position of the key.
  • the locking device is thus movable from the locked state to the release state only when the bowl actually has a corresponding number of movable elements that can be deflected independently of each other by the support pins. The safety of the locking device is thus ensured. If the lock cylinder has exactly one locking safeguard, which is assigned to exactly one movable element, the lock cylinder must be manufactured with the least possible effort.
  • the blocking safety device interrogates one of the movable elements in a first insertion position of the key. If the key is rotated, the locking device in a second insertion position of the key queries another of the movable elements.
  • the recess and the at least one first holding section are provided in such a way that the movable elements to be inserted are secured in the recess towards the first broad-side broadside surface, in particular against falling out of the recess.
  • the recess is deformed by the cold forming so that, in particular by the at least one second holding portion, the movable elements to be used are secured in the recess towards the second key broadside side, in particular against falling out of the recess.
  • a rectangular shape of the base of the recess is particularly suitable for arranging therein symmetrically formed movable elements, such as discs, fitted.
  • the manufacturing method of the key according to the invention thus differs significantly from known production methods.
  • the introduction of a shaft transverse to the longitudinal direction and parallel to the saubreitrise vom is no longer necessary.
  • the formation of the holes on the key narrow side surfaces for insertion of the shaft has required high precision.
  • the shaft had to be passed through the movable elements formed as rings, which is a very expensive operation.
  • the shaft must be fixed in the key shank. By avoiding these steps, working hours and costs can be saved.
  • the attachment of two holding portions on each key wide side surface increases the securing of the movable elements in the recess and causes a uniform distribution of forces on the holding portions when the movable elements are deflected in abutment against the holding portions.
  • the key has on each of the key broadside faces exactly one holding portion which surrounds the recess.
  • the securing of the at least two movable elements in the recess is also increased. Furthermore, such a holding portion could be produced simply by chiseling by means of a punch which covers the entire recess and the adjacent edge region of the key shaft.
  • the second spatial direction corresponds to the longitudinal direction.
  • both movable elements are secured by the holding portion, which tapers the recess in the longitudinal direction. This prevents the movable elements from shifting in different directions in the first spatial direction with a minimum twist relative to the longitudinal axis and relative movement relative to one another, thereby becoming wedged. It is particularly possible that the key has only one holding section on only one longitudinal side of the recess, wherein the holding section tapers the recess in the longitudinal direction. In this case, the production cost would be minimized.
  • the second spatial direction is transverse or perpendicular to the longitudinal direction.
  • an angle between the longitudinal direction and the second spatial direction is in a range between 0 ° and 90 °.
  • the movable elements can be held in the recess and to be movable differently far perpendicular to the key broadside side surfaces. This feature can be used to provide the additional security features in the lock cylinder that allow for the deflection of the movable elements.
  • the movable elements are secured on both transverse sides of the recess.
  • the recess may have a plurality of holding sections on both transverse sides of the recess or a holding section which extends from one transverse side to the other transverse side or which completely surrounds the recess.
  • the recess symmetrical to a perpendicular to the key broadside surfaces and is arranged parallel to a longitudinally extending median plane of the key shaft.
  • the key shank has the opposing key broadside faces and two key side faces also opposite each other connecting the key broadside faces.
  • the key shank is substantially rectangular in cross-section.
  • the two longer sides of the rectangle are the "key broadside faces”.
  • the two shorter sides are the "key narrow side surfaces”. Consequently, the center plane runs exactly in the middle between the key narrow side surfaces and parallel to them. It follows that the median plane extends parallel to the longitudinal direction.
  • the recess is arranged symmetrically to this center plane. This means that the recess has a cross section which is symmetrical to the median plane. It is therefore exactly one half of the recess on each side of the median plane.
  • Such a configuration allows the arrangement of the at least two movable elements described below symmetrical to the median plane.
  • the at least two movable elements are arranged symmetrically to a perpendicular to the key broad side surfaces and parallel to the longitudinal direction extending median plane of the key shaft.
  • the movable elements are aligned in this case symmetrically to the center plane. If there are exactly two movable elements, one movable element is arranged on each side of the median plane. The same applies to another even number of movable elements, for example, two movable elements are arranged on each side of the median plane. With an odd number of movable elements, for example of three movable elements, the middle movable element is arranged such that it lies centrally on the median plane. The central movable element then has to be configured symmetrically with respect to the center plane in order to achieve a total symmetrical arrangement of the movable elements with respect to the median plane.
  • the key has exactly two movable elements.
  • two movable elements are thus provided, which are arranged adjacent to each other. Except for a common game, the movable elements are directly adjacent to each other.
  • the movable elements can be moved translationally relative to each other and relative to the recess.
  • the embodiment with two movable elements provides the advantage of the invention and also provides a simple structure, which simplifies a symmetrical arrangement and provision of the key as a reversible key due to the even number of movable elements.
  • each one of the two movable elements is arranged on each side of a perpendicular to the Whybreitrise nor be parallel to the longitudinal direction extending median plane of the key shaft.
  • a maximum extent of each movable element in a direction perpendicular to the key broadside faces is greater than a distance between the key broadside faces.
  • each movable element protrudes in each case from the cross-sectional profile of the key shaft. In this way, for example, it can be ensured that an outer cross-sectional contour of each movable element must be interrogated when inserted into a key channel.
  • the at least two movable elements are movable relative to the key shaft in a third spatial direction which is perpendicular to the Quibreitrise lake, in particular wherein the at least two movable elements are movable relative to each other.
  • provision may be made for the recess to guide the at least two movable elements in the third spatial direction.
  • This embodiment prevents the movable elements from being able to execute a movement parallel to the key broadside side surfaces. This avoids that the movable elements wedged or jammed each other.
  • the at least two movable elements are arranged side by side and the contact surfaces extend perpendicular to the first spatial direction.
  • the contact surface thus extends perpendicular to the Whytunasis a stodian and parallel to the longitudinal axis.
  • the movable elements each other in a direction perpendicular to the key broadside surfaces. This avoids a relative offset of the two elements relative to each other in the first spatial direction.
  • the surface of the movable elements is simply connected, in particular wherein the movable elements are solid.
  • the movable elements are formed without an inner recess.
  • the advantage of a seamless surface is that the movable elements can not slip into a gap of an adjacent movable element in the relative movement to each other. Furthermore, such movable elements are easier to make than movable elements with holes, in particular rings, whereby manufacturing steps in the manufacture of the movable elements and costs can be saved.
  • the at least two movable elements each have a shape which is selected from a group consisting of a disk, a pin, a hemisphere and a hemisphere with a flattened side surface.
  • the movable elements are symmetrically shaped.
  • the symmetrical shape of the movable elements offers the advantage that the movement of the elements is much easier to set or predict. As a result, the design effort of the key and the corresponding lock cylinder is reduced. If the movable elements are in particular rotationally symmetrical with respect to the first spatial direction, the elements can rotate about their central axis in this spatial direction without their relative arrangement in the recess changing. When inserting the key into an associated lock cylinder are the movable elements are then designed so that they can roll along a guide in the lock cylinder. Thus, in particular the resistance during insertion of the key is reduced in the corresponding lock cylinder.
  • the movable elements are asymmetrically shaped.
  • An asymmetrical shape can serve as a further security feature and increases the security of the key.
  • the at least two movable elements are identical.
  • the movable elements can have an identical shape and dimensions.
  • the movable elements are formed differently from each other.
  • the movable elements are identical. This does not necessarily mean that the movable elements are symmetrical in each case to a center plane of the respective movable element.
  • the cross-sections of the movable elements can also be designed asymmetrically to a center plane of the movable elements.
  • the at least two movable elements are arranged in mirror image to each other.
  • the movable elements can be arranged in mirror image to the median plane.
  • the movable members may each have an asymmetric cross section. However, if the movable elements are identical, they may nevertheless be arranged symmetrically with respect to the median plane. Their cross-sections are then arranged symmetrically or mirror-inverted with respect to the median plane. The two movable elements are then arranged "back to back", so to speak.
  • At least one longitudinal groove can be provided in each of the broad side surfaces. In the case of a reversible key, for example, this must be provided.
  • the longitudinal grooves the cross-sectional profile of the key bit can be adjusted and further queries are made possible, for example, by appropriate embodiments of a cross-sectional profile of a key channel in a cylinder core of the lock cylinder.
  • the recess is arranged in a key head facing away from the front third of the key shaft.
  • the movable elements must be inserted deep into the keyway to fully insert the key in a cylinder core of a lock cylinder.
  • the movability of the movable elements can be interrogated by the movable elements each have to pass through a labyrinth during insertion of the key into the lock cylinder. In this way, the safety of the locking device provided by the key can be further increased.
  • the recess at the corners of the base area has extended corner areas, in particular semicircular corner areas.
  • the rectangular shape is difficult to manufacture, since the cutting tools used for production, in particular drills or milling machines, are round.
  • the tapered corners of the rectangular shape can not be readily formed.
  • another special tool would have to be used.
  • the corners of the base can also be rounded, whereby the base is only substantially rectangular.
  • the key is designed as a reversible key.
  • the training as a reversible key is characterized in that the orientation in which the key is inserted into the key channel, does not matter. It can be provided, for example, by a symmetrical, in particular a point-symmetrical, embodiment of the safety-relevant features of the key shaft relative to a median plane of the key shaft. Of course, the key can also be designed as a non-reversible key.
  • the deflection of the movable elements can be simplified by means of corresponding support pins, without these colliding with the key broadside side surface.
  • the apertures provided by the at least one tip recess serve the edges of the recess to facilitate, for example, a better sliding of provided in the key cylinder profile pins.
  • the lock cylinder has at least a number of movable elements corresponding plurality of locking fuses, each movable element is associated with one of the locking fuses, and wherein the cylinder core for each movable element associated with the respective locking fuse support pin having.
  • each movable element associated with a locking device and a support pin.
  • the proposed locking device it is possible, due to the plurality of locking fuses corresponding at least to the number of movable elements, each of the movable elements individually or the movable elements to query separately from each other.
  • the plurality of locking fuses equal at least the number of movable elements. This means that each of the movable elements is assigned a blocking fuse. In this way, the maximum number of security features that are provided by the key by the movable elements can be queried by the lock cylinder.
  • the key has exactly a first movable element and second movable element, wherein the lock cylinder at least one first locking element associated with the first locking element, in particular pin tumbler, and a second movable element associated with the second locking device, in particular pin tumbler, wherein the cylinder core has one of the first locking lock, in particular pin tumbler, associated first support pin and one of the second locking device, in particular Stiftzuiens, associated second support pin, wherein the first support pin in the release state, the first movable element against the first locking fuse, in particular pin tumbler, supported, and wherein the second support pin in the release state, the second movable element against the second locking device, in particular Stiftzuiens supported.
  • the embodiment with exactly two movable elements thus at least two locking devices are provided.
  • the first locking fuse is assigned to the first movable element
  • the second locking fuse is assigned to the second movable element.
  • the locking devices can each be a pin tumbler.
  • one of the first locking fuse assigned first support pin is arranged on one of the first locking fuse opposite side of the key channel.
  • a second support pin is arranged on a side of the key channel opposite the second locking fuse. In the fully inserted position of the bowl in the keyway a respective support pin supports the corresponding movable element and deflects it in the direction of the opposite locking fuse. In this way, the locking fuse is moved and goes into the release state.
  • the key has exactly one first movable element and second movable element
  • the lock cylinder has exactly one locking safety device, in particular pin tumbler, and exactly one support pin associated with one of the movable elements.
  • the support pin supports in the release state, the associated movable element against the locking device, in particular Stiftzuiens from.
  • first support pin and the second support pin are arranged on opposite sides of the keyway.
  • closure device in a further embodiment of the closure device can be provided that the first support pin and the second support pin are arranged on the same side of the keyway.
  • first support pin and the second support pin in particular may protrude differently far into the keyway.
  • first support pin and the second support pin arranged on the same side of the key channel can be designed such that they effect a deflection of the first movable element, which is different from a deflection of the second movable element.
  • the distances by which the first movable element and the second movable element are deflected can be of different lengths.
  • first support pin and the second support pin are arranged obliquely to the keyway.
  • first support pin and the second Support pin are each arranged at an angle of 45 ° relative to the keyway.
  • a peripheral contour of also 45 ° or a semicircular peripheral contour may be provided on a respective movable member to be deflected along the corresponding support pin without jamming.
  • the keyway has a number of longitudinal grooves corresponding at least to the number of movable elements, each movable element is associated with a longitudinal groove whose cross-sectional contour is complementary to a peripheral surface of the respective movable element.
  • the outer cross-sectional contour of the movable element can serve as a further security feature, which is queried by means of the key channel.
  • the respective movable element then rolls during the insertion of the key in the respective complementary cross-sectional contour of the keyway and is deflected or deflected at the end by the respective support pin.
  • a labyrinth can be formed, which serves as another security feature.
  • the movable element is rotationally symmetrical, in particular as a ring, disc or hemisphere.
  • first movable member is associated with a first longitudinal groove and the second movable member is associated with a second longitudinal groove, and wherein the first longitudinal groove and the second longitudinal groove are formed in opposite surfaces of the keyway.
  • first movable element is associated with a first longitudinal groove and the second movable element is associated with a second longitudinal groove, and wherein the first longitudinal groove and the second longitudinal groove are formed in the same surface of the keyway.
  • This embodiment can be provided in particular if both support pins are arranged on the same side of the key channel.
  • the key blank is a simple method of production.
  • the key blank can also be formed from a piece of metal by machining with a suitable tool.
  • the casting mold of the key blank is designed so that the key blank after casting has the recess and / or the holding portion. Furthermore, it can be provided that the cast key blank is poured without the recess and the holding section and these are added in further processing steps with a suitable tool, for example by drilling and / or milling.
  • the recess is thereby deformed so that, in particular by the at least one first holding section, the movable elements to be inserted are secured in the recess towards the first key-wide side surface, in particular against falling out of the recess.
  • the formation of the at least one first holding portion is carried out by applying force, in particular by chiselling, for example by means of a punch or other tool designed for this purpose.
  • the force is to be attached so that it acts perpendicular to the first key broadside side surface.
  • this will be the material of the key shaft deformed at the edge of the recess so that the first holding portion is formed. This means, in particular, that material of the key shaft is displaced toward the recess at the edge of the recess, with the opening of the recess in the first key broadside side surface being reduced or tapering in a spatial direction.
  • the recess and the at least one first holding portion are formed so that, in particular by the at least one first holding portion, the movable elements to be used in the recess to the first key broadside side, in particular against falling out of the recess, are secured.
  • the corners of the recess are widened such that the recess has widened corner regions, in particular semicircular corner regions, at the corners of the base surface.
  • the rectangular shape is difficult to manufacture because the machining methods used, especially drilling or milling, use tools that are round. This can be the tapered Corners of rectangular shape not readily forming. For example, another special tool would have to be used. Alternatively, the corners of the base can also be rounded, whereby the base is only substantially rectangular.
  • the formation of the at least one second holding portion is carried out by applying force, in particular by chiselling, for example by means of a punch or other tool designed for this purpose.
  • the force is to be attached so that it acts perpendicular to the second key broadside side surface.
  • the material of the key shaft is thereby deformed at the edge of the recess in such a way that the second holding section is formed. This means, in particular, that material of the key shaft is displaced toward the recess at the edge of the recess, with the opening of the recess in the second key broadside side surface being reduced or tapering in a spatial direction.
  • the Figs. 1A and 2A show isometric views of a first embodiment of a key 10.
  • the Fig. 2A shows the key 10 in the Fig. 1A in an isometric view from the opposite perspective.
  • the key 10 has a key head 12, which is also called key crayon.
  • the key head 12 is used for manual gripping of the key 10.
  • a key shank 14 extends to the key shaft 14 are various security features arranged, which are queried upon insertion of the key 10 in a corresponding locking device. If the query is positive, it is possible to move the locking device from a blocking state into a release state.
  • the key shank 14 extends along a longitudinal direction 16.
  • the key shank 14 has a rectangular or substantially rectangular cross-sectional profile.
  • the two longer sides of this rectangle are called key broadside faces 18, 18 '.
  • the two shorter sides of the rectangle in cross section are referred to below as key narrow side surfaces 20, 20 '.
  • the key wide side surfaces 18, 18 'and the key narrow side surfaces 20, 20' are thus arranged opposite to each other.
  • Each of the key broadside surfaces 18, 18 ' may have at least one elevation 22, furthermore, at least one longitudinal groove 24 may be provided.
  • Both the at least one elevation 22 and the at least one longitudinal groove 24 serve as further security features of the key shank 14, which cooperates with a corresponding complementary configuration of a cross-sectional profile of a key channel of the closure device, to allow insertion of the key 10 only with suitable cross-sectional profiles.
  • a recess 32 is provided, which extends through the entire key shank 14 and the key broadside surfaces 18, 18 '.
  • the recess 32 is preferably arranged in a front third 26 of the key shaft 14. As the front third 26 hereby a remote from the key head 12 third 26 is understood from the key head 12 overarching key shank 14.
  • movable elements 28, 30 In the recess 32, two movable elements 28, 30 and a first movable member 28 and a second movable member 30 are arranged.
  • the dimensioning of the movable elements 28, 30 will be explained in more detail below.
  • the movable elements 28, 30 are arranged side by side along a first spatial direction 38, which is perpendicular to the longitudinal direction 16 and parallel to the key broadside surfaces 18, 18 '.
  • the movable elements 28, 30 are in the in Figs. 1A and 2A illustrated first embodiment disc-shaped. It is conceivable, however Any other possible form of training, for example, annular, hemispherical or pin-shaped.
  • the recess 32 has an elongate shape, which in particular may be rectangular, and extends parallel to the longitudinal direction 16. Regarding the dimensioning of the recess 32 relative to the movable elements 28, 30 will also be explained in more detail below ,
  • the recess 32 is made slightly larger than a combined width of the two movable elements 28, 30 and has a longitudinal extent parallel to the longitudinal direction 16, which is slightly larger than the longitudinal extent of a single movable element 28 or 30 parallel to the longitudinal direction 16. In this way, the movable elements 28, 30 are guided with a small clearance through the recess 32.
  • the movable elements 28, 30 can not move in the longitudinal direction 16 apart from the game and also do not move transversely to the longitudinal direction 16, except for a game provided.
  • the play makes it possible to rotate the movable elements 28, 30 if the movable elements are rotationally symmetrical, for example designed as discs or rings.
  • a frictional resistance is reduced by the movable elements 28, 30 during insertion of the key 10 into a lock cylinder.
  • a movement perpendicular to the key broadside faces 18, 18 'or perpendicular to the longitudinal direction 16 and parallel to the key narrow side faces 20 is made possible.
  • the movable elements 28, 30 can thus be guided separately from each other guided by the recess 32 relative to the key shaft 14.
  • the game facilitates the movement perpendicular to the Quibreitrise vom 18, 18 ', as occurring during this movement friction effects can be at least partially avoided.
  • exactly two movable elements 28, 30, in particular two discs, are provided. In principle, however, more than two movable elements 28, 30 may be provided. For example, an even number of movable elements, for example four or six movable elements, may be arranged in the recess 32. But it can also be an odd number, for example, three rings arranged in the recess 32.
  • the movable elements 28, 30 are arranged side by side. That is, they have no relation between themselves Spacers, sleeve members or the like to their spacing. The movable elements 28, 30 are thus directly next to each other. In the illustrated first embodiment, the first movable member 28 and the second movable member 30 are disposed adjacent to each other.
  • the key 10 further has at each of the key broadside faces 18, 18 'at least one holding section 33, 34 or at least one first holding section 33 on the first key broadside side surface 18 and at least one second holding section 34 on the second key broadside side surface 18'.
  • the holding portions 33, 34 are arranged on the edge of the recess 32 and extend into the recess 32.
  • An extension of the recess 32 in a second spatial direction 40 which is parallel to the key broadside surfaces 18, 18 ', is in the region of the holding portions 33, 34th smaller than a maximum extent of the at least two movable elements 28, 30 in the second spatial direction 40, in particular so that each of the at least two movable elements 28, 30 is secured in the recess 32. This means that is limited in their movement perpendicular to the Quibreitrise vom 18, 18 'and movable elements 28, 30 are secured in particular against falling out.
  • the key 10 has on the first key wide side surface 18, two holding portions 33, 33 ', as in Fig. 1A is shown. On the second key broadside side surfaces 18 ', the key 10 also has two holding sections 34, 34', as in FIG Fig. 2A is shown. In this case, the two first holding sections 33, 33 'and the two second holding sections 34, 34' are arranged on the recess 32 in the second spatial direction 40 opposite one another.
  • the second spatial direction 40 in the illustrated embodiment corresponds to the longitudinal direction 16. This means that the two holding portions are each arranged in the longitudinal direction 16 opposite one another.
  • the holding portions 33, 33 ', 34, 34' are each arranged on edges of the recess 32, wherein the edges are arranged in the longitudinal direction 16 opposite one another.
  • the holding portions 33, 33 ', 34, 34' By the holding portions 33, 33 ', 34, 34', the recess in the region of the holding portions 33, 34 is tapered.
  • the distance between the two first holding portions 33, 33 'and the two second holding portions 34, 34' corresponds to the extent of the recess 32 in the longitudinal direction 16 in the region of the holding portions 33, 33 ', 34, 34'.
  • the distance of the holding portions 33, 33 ', 34, 34' is chosen so that it is smaller than a maximum extent of the movable elements 28, 30 in the longitudinal direction 16.
  • the Figs. 1B and 2B show isometric views of a second embodiment of a key 10.
  • the Fig. 2B shows the key 10 in the Fig. 1B in an isometric view from the opposite perspective.
  • the second embodiment in Fig. 1B corresponds substantially to the first embodiment, which in Fig. 1A is described.
  • Like elements are identified by like reference numerals and will not be explained again.
  • the second embodiment additionally includes at least one tip recess 37 on each key broadside surface 18, 18 'located in the front third 26 of the key shaft.
  • the key has exactly two tip recesses 37 on each key broadside face 18, 18 '.
  • the two tip recesses 37 are arranged in the longitudinal direction at the two ends of the recess 32.
  • the tip recess makes it possible to facilitate sliding of a profiled pin on an edge of the recess 32 during the insertion of the key 10.
  • the key broad side surface 18 'on a plurality of recesses 35 which can be queried by profile pins of a lock cylinder and serve as further security features.
  • the Fig. 3 shows a plan view of the in the Fig. 2A
  • the same elements are again identified by the same reference numerals and will not be explained again.
  • the key 10 or the key shank 14 has a median plane 36.
  • the center plane 36 is halfway between the key narrow side surfaces 20, 20 '.
  • the recess 32 is arranged symmetrically to the median plane 36.
  • one of the movable elements 28, 30 is arranged on each side of the median plane 36.
  • a function of the key 10 as a reversible key possible.
  • Such a reversible key regardless of its orientation in the key channel of a closing device, cause a movement into the release state. This is provided by the corresponding configuration of the features, in particular the key broadside surfaces 18, 18 '.
  • the Fig. 4 shows a cross-sectional view taken along a line IV-IV in the Fig. 3 , Shown is thus a cross section along the longitudinal axis 16 in the median plane 36 through the key 10. Shown in cross section is the recess 32 and the recess 32 disposed in the first movable element 28. A distance between the key broadside faces 18 'and 18 is denoted by the reference numeral 39 denotes.
  • the first movable element 28, and likewise the second movable element 30 identically formed in the illustrated embodiment has a vertical extension 43 in a third spatial direction 42, the third spatial direction 42 being perpendicular to the key broadside surfaces 18, 18 ' ,
  • the vertical extent 43 of the first movable element 28 and the second movable element 30 is greater than the distance 39 of the key broadside surfaces 18, 18 '. Consequently, the first movable member 28 protrudes beyond the key broad side surface 18 in the one shown in FIG Fig. 4 shown deflected position.
  • the first movable element 28 is deflected in the illustrated position in the third spatial direction 42.
  • This movement is guided by the recess 32, which is only slightly larger, for example 0.05 mm, 0.1 mm, 0.015 mm, 0.2 mm, 0.25 mm, 0.3 mm, larger in their extent parallel to the Longitudinal direction 16 as an extension of the first movable member 28 in the longitudinal direction 16 is. In this way, a deflection of the movable element 28 parallel to the direction 42 becomes possible.
  • the two movable elements 28, 30 can be deflected independently of each other.
  • the recess 32 is tapered towards the two key broad side surfaces 18, 18 'such that a longitudinal extent of the recess in the longitudinal direction 16 in the region of the holding portions 33, 34 is smaller than the extent of the movable members 28, 30 in the longitudinal direction.
  • the movable elements 28, 30 are secured in the recess 32. In other words, this restricts the movement of the movable elements 28, 30 in the third spatial direction 42.
  • the Fig. 5 shows a cross section along a line VV in the Fig. 3 , It can be seen that the movable elements 28, 30 are arranged next to one another in the recess 32 in the first spatial direction 38. The remaining elements are identified by the same reference numerals and will not be explained again. Shown is the deflection of the movable elements 28, 30 in opposite directions in the third spatial direction 42nd The first movable element 28 thus protrudes beyond the key broadside surface 18. The second movable element 30 protrudes beyond the key broadside surface 18 '. Thus, not only a rectified movement of the rings 28, 30 is possible, but movement in opposite directions. This further increases the security of a locking device that can be provided by means of the key 10.
  • FIGS. 6 to 9 a single movable element 28 is shown.
  • the Fig. 6 shows a side view of the movable element 28.
  • the Fig. 7 shows a cross-sectional view of the movable element 28.
  • the Fig. 8 shows an isometric view of the movable member 28 of Fig. 6
  • the Fig. 9 shows an isometric view of a free cut surface of the movable member 28th
  • the movable element 28 has an outer diameter 46 and a further diameter 48.
  • the movable element 28 is rotationally symmetrical about a rotational symmetry axis 50.
  • the movable member 28 has an outer circumferential surface 56.
  • a width of the movable member 28 in the Fig. 7 is designated by the reference numeral 60.
  • On the half width of the movable element 28 is the so-called disc center plane 52.
  • the movable element 28 is formed asymmetrically with respect to the disc center plane 52.
  • the outer peripheral surface 56 of the movable member 28 is formed asymmetrically.
  • the outer peripheral surface 56 has a concave portion 58.
  • Such a concave portion 58 may, for example, be provided to allow the advance of the ring in the keyway by means of the clearance provided by it. Due to the smaller cross-sectional area of the movable element 28 provided by the concave portion 58, collisions can be avoided or more space can be provided for other security features of a closing device.
  • the movable member 28 further includes a side surface 54 and an abutment surface 44 spaced apart in a direction parallel to the rotational symmetry axis.
  • the diameter 48 corresponds to the diameter of the contact surface 44.
  • the outer diameter 46 corresponds to the diameter of the side surface 54th
  • the Fig. 10A shows two identically formed movable elements 28 and 30 according to a first embodiment. It is a plan view and the direction of this Top view corresponds to that of Fig. 3 ,
  • the two movable elements 28 and 30 are mirror images of each other and arranged side by side in the first spatial direction 38.
  • the contact surface 44 of the two movable elements 28 and 30 are arranged adjacent to each other. It may also preferably be provided that a minimal clearance prevails between the two contact surfaces 44, whereby a movement of the movable elements 28, 30 relative to one another is simplified. If the movable elements are arranged in such a way that the contact surfaces 44 are in direct contact with one another, frictional forces which make the movement more difficult arise as a result of relative movement.
  • a length of the recess 32 parallel to the longitudinal direction 16 is tapered by the holding portions 33, 33 '.
  • the extension in the longitudinal direction 16 between the holding sections 33, 33 ' is referred to as the smallest longitudinal extension 68.
  • the movable elements 28, 30 also have an extension in the longitudinal direction 16, which is referred to as the longitudinal extent 64.
  • the longitudinal extent 64 of the movable elements 28,30 is greater than the smallest longitudinal extent 68 of the recess 32.
  • a width of the recess 32 in the spatial direction 38 is referred to as the transverse extent 66 and the smallest transverse extent 66.
  • the sum of the widths of the movable elements in the first spatial direction 38 is referred to as the transverse extent 62 of the movable elements 28, 30.
  • the transverse extent 62 of the movable elements 28, 30 is minimally less than or equal to the transverse extent 66 of the recess 32.
  • "minimally smaller” means that there is some play between the movable elements 28, 30 and the longitudinal sides of the recess.
  • the term “smaller” in the case does not mean that there is a larger gap between the longitudinal sides of the recess 32 and the movable elements.
  • the movable elements 28, 30 are arranged symmetrically with respect to the center plane 36. As already described, the movable elements 28, 30 are in particular identically designed and arranged in mirror image to one another. Thus, a situation results quasi "back to back". That is, the concave portions 58 of the two movable members 28, 30 face each other. In this way, despite the asymmetrical design of each of the movable elements 28, 30 with respect to its central plane 52 of the disk results in an overall symmetrical arrangement with respect to the median plane 36.
  • Fig. 10B shows a plan view of the recess 32 and the movable elements 28, 30 according to the first embodiment Fig. 10A.
  • Fig. 10B is essentially identical to Fig. 10A , Like elements are identified by like reference numerals and will not be explained again.
  • the greatest longitudinal extension 69 is minimally greater than or equal to the longitudinal extent 64 of both movable elements 28, 30.
  • minimally larger in this case means that between the transverse sides of the recess 32 in the recess 32, a clearance between the longitudinally spaced transverse sides and the movable elements 28, 30 may be present. Under larger is not to be understood that between the transverse sides and the movable elements 28, 30 gape a larger gap.
  • Fig. 10C shows a plan view of the recess 32 and the movable elements 28, 30, according to a second embodiment.
  • Fig. 10C is essentially identical to the Figures 10A and 10B , Like elements are identified by like reference numerals and will not be explained again.
  • a first essential difference is that the two movable elements 28, 30 are arranged mirrored to each other, that is, that the two movable elements are arranged with the two outer surfaces 54 in abutment against each other.
  • the contact surfaces 44 are located on the side facing away from the respective other movable element.
  • the holding portions 33, 33 ' are not arranged at the transverse sides of the recess 32, that is spaced apart in the longitudinal direction 16, but at the longitudinal sides of the recess, that are perpendicular to the longitudinal direction 16 spaced from each other.
  • a movable element 28 or 30 is secured in the recess by the respective holding section 33 or 33 'associated with a respective movable element 28 or 30.
  • the recess 32 has a smallest transverse extent 66 in the first spatial direction 38, which is smaller than the transverse extent 32 of the movable elements 28, 30.
  • Fig. 10D shows an enlargement of the area indicated by XD of the cross-sectional view Fig. 4 , In this area, the recess 32 and the second movable member 30 are arranged. Identical elements are given the same reference numerals and will not be explained again.
  • the recess 32 is tapered towards the key broad side surfaces 18 and 18 'through the holding sections 33, 33', 34, 34 '. It is, as already in Figs. 10A and 10B described, the longitudinal extent 64 of the second movable member 30 is greater than the smallest longitudinal extent 68 of the recess in the region of the first holding portions 33, 33 'and the second holding portions 34, 34' on the key broadside surfaces 18, 18 '.
  • the second movable element 30 is thereby limited in its movement in the third spatial direction 42. This means in particular that the second movable element 30 is at least partially held in the recess 32.
  • Figure 10D shows the second movable member 30 in its maximum deflection against the third spatial direction 42 in abutment against the first holding portions 33, 33 '.
  • the second movable element 30 is also deflectable in the third spatial direction 42, wherein the second movable element 30 at a maximum deflection in the third spatial direction 42 in abutment with the second holding portions 34, 34 'is. In a deflection in one of the two directions, along or against the third spatial direction 42, the second movable element 30 is partially disposed outside of the recess 32.
  • first movable element 28 which is identical to the second movable element 30 and is also arranged in the longitudinal direction 16 in the recess 32, the same statements that have been made to the second movable element 30 apply.
  • Fig. 10E shows an enlarged plan view of a first embodiment of the recess 32 of the key 10 from the same direction as Fig. 3 , In this case, a cross section of the recess 32 is shown perpendicular to the third spatial direction 42.
  • the cross-sectional area of the recess 32 is substantially rectangular, with the corners of the cross-sectional area being rounded.
  • the recess has two holding sections 33, 33 'on the two transverse sides.
  • Fig. 10F shows an enlarged plan view of a second embodiment of the recess 32 of the key 10 from the same direction as Fig. 3 ,
  • a cross section of the recess 32 is shown perpendicular to the third spatial direction 42.
  • the cross-sectional area of the recess 32 has a substantially rectangular base.
  • the recess 32 has on the longitudinal sides extended corner regions 73, which are arranged at the four corners of the base.
  • the cross-sectional area settles the rectangular base and the four corner surfaces together.
  • the base area extends between the two transverse sides of the recess 32.
  • the corner surfaces are arranged in the region of the extended corner regions 73.
  • the recess has two holding sections 33, 33 'on the two transverse sides.
  • Fig. 10G shows the top view Fig. 10F with two arranged in the recess 32 movable elements 28, 30.
  • the movable elements 28, 30 are arranged in the rectangular base of the recess 32.
  • the movable elements are symmetrical and arranged as in Figs. 10A and 10B already described.
  • the extension of the movable elements 28, 30 in the longitudinal direction and the transverse direction corresponds substantially, except for a required clearance, the shape of the base.
  • the movable elements 28, 30 are thus guided in the longitudinal direction 16 and in the transverse direction, which corresponds to the first spatial direction 38.
  • the movable elements are movably arranged and limited in their movement by the holding portions 33, 33 'and the opposite holding portions 34, 34', not shown.
  • the Fig. 11 again shows an isometric view of the representation of Figs. 10A and 10B with respect to the first embodiment. From the into the Figures 10A and 10B shown "neutral position" in which the movable elements 28, 30 are not deflected, shows the Fig. 11 a deflected state in which the second movable element 30 is deflected in a first deflection direction and the first movable element 28 is deflected in the opposite second deflection direction 72. As will be explained below, this deflection state is particularly relevant to safety for a locking device in order to bring it into the release state.
  • Fig. 12A shows an exploded view of a first embodiment of a locking device 74.
  • the locking device 74 has the key 10, as described above in connection with the Figures 1A . 2A to 11 has been described. The same elements are therefore identified by the same reference numerals and will not be explained again.
  • the closing device 74 has a lock cylinder 76.
  • the lock cylinder 76 is a Profile cylinder. However, it may also be another form, for example a round cylinder or oval cylinder.
  • the lock cylinder 76 has a housing 78 and a cylinder core 80.
  • the cylinder core 80 is mounted in the housing 78 by means of a locking ring 82.
  • the housing 78 is otherwise provided, for example, with a mounting hole 84 or threaded hole in order to screw the lock cylinder 76 in a door can.
  • the housing 78 and also the cylinder core 80 may have a multiplicity of bores, in each of which locking devices, in particular pin tumblers, are guided in order to interrogate various security features of a key 10. Shown and explained below are only the locking devices in connection with the movable elements 28 and 30, in particular pin tumblers, which cooperate with the movable elements 28, 30.
  • the cylinder core 80 has a keyway 86.
  • the key 10 is inserted into this key channel 86. After the key 10 has been fully inserted and all the security features of the key 10 have been polled positively, all the locking fuses are moved to a position that permits rotation of the cylinder core relative to the housing 78. This is the release state. If the key 10 is not fully inserted or fully withdrawn from the keyway 86, it will not be possible to rotate the cylinder core 80 relative to the housing 78. This is called a lock state.
  • first support pin 90 and a second support pin 92 With the movable elements 28, 30 cooperate a first support pin 90 and a second support pin 92.
  • the support pins 90, 92 are pressed into the cylinder core 80. They are not movable.
  • the support pins 90, 92 direct a respective movable element 28, 30 in the in the Fig. 11 indicated position and support this against a respective locking fuse or Stiftzuiens 104, 106 from.
  • a first locking device or pin tumbler is designated by reference numeral 104. This cooperates with the first support pin 90.
  • the first locking device is indicated schematically and usually has a first core pin 94.
  • a housing pin 96 is supported by a spring element 100 or a support spring against a support member 102.
  • the locked state prevents the housing pin 96 from protruding into the cylinder core 80 a rotation of the cylinder core 80.
  • a contact surface between the first core pin 94 and the housing pin 96 is arranged such that the housing pin 96 does not protrude into the cylinder core 80, wherein the first core pin 94 does not protrude into the housing 78. In this way, the rotation of the cylinder core 80 with respect to the housing 78 is made possible.
  • the second locking device or pin tumbler 106 on the basis of a second core pin 98. The remaining elements of this locking device are not shown for reasons of clarity. The second locking device 106 cooperates with the second support pin 94.
  • the Fig. 12B is essentially identical to the Fig. 12A , The same elements are therefore identified by the same reference numerals and will not be explained again.
  • the key is in particular as a key 10 according to the embodiment in the Figs. 1B and 2B educated.
  • the key 10 therefore has the plurality of recesses 35.
  • a plurality of profile pins 88 are provided which can serve to interrogate recesses 35 in the key shank 14. However, these are not important in terms of the functionality of the movable elements 28, 30.
  • the Fig. 13 shows an isometric assembled view of the locking device 74.
  • the key 10 is completely inserted into the cylinder core 80.
  • the cylinder core 80 is mounted in the housing mouth by means of the locking ring 82.
  • the Fig. 14 shows a corresponding side view of the assembly view of Fig. 13 , The same elements are identified by the same reference numerals.
  • the Fig. 15 shows a cross-sectional view taken along a line XV-XV of Fig. 14 . Same elements as in the exploded view of Fig. 12 are marked with the same reference numerals and will not be explained again.
  • the locking device 74 is in a release state.
  • the key 10 is fully inserted in the keyway 86.
  • the first support pin 90 deflects the second movable member 30 and thereby moves the first core pin 94.
  • each of the support pins 90 and 92 is arranged at an angle of approximately 45 ° to the keyway 86.
  • Each of the support pins 90 and 92 has a conical tip which slides along the respective outer peripheral surface 56 of each movable member 28, 30 to deflect it as the key 10 is inserted.
  • the support pins 90 and 92 are disposed on opposite sides of the keyway 86. Accordingly, the first pin tumbler 104 and the second pin tumbler 106 are also disposed on opposite sides of the key channel 86.
  • the Fig. 16A show a view of the key channel 86.
  • the viewing direction is in the Fig. 13 shown.
  • the key 10 is cut out except for the movable members 28 and 30.
  • the outer peripheral surface 56 is asymmetrical with respect to a respective disk center plane 52.
  • each keyway 86 in a facing surface has a respective complementary cross-sectional profile to interrogate its asymmetrical outer peripheral cross-section of each movable element 28, 30. It can thus be seen that the first movable element 28 initially at a neutral position in the Fig. 16A "up" offset in the keyway 86 is guided.
  • the second movable element 30 is correspondingly "down" offset guided by the keyway 86.
  • the respective asymmetric outer peripheral cross-sections fit into the complementary profile cross-sections 108 and 110.
  • the complementary profile cross-sections 108, 110 extend as longitudinal grooves completely through the keyway 86 and guide the movable elements during insertion of the key 10 to a rear end of the keyway 86, in that the movable elements 28, 30 are deflected by the support pins 90 and 92.
  • the Fig. 16B shows a view of the key channel 86.
  • the locking device 74 In the in the Fig. 16B illustrated position, the locking device 74 is in a release state. Like in the Fig. 16B As can be seen, the movable elements 28, 30 are then deflected in correspondingly opposite directions away from their respective complementary profile cross sections 108, 110. In this way, a labyrinth is provided by which the movable elements 28, 30 must be movably guided in order to reach the release state. It is thus imperative that the movable elements 28, 30 can be moved separately or independently of each other. In this way, the safety of the illustrated locking device 74 can be significantly increased. Furthermore, a security of the key 10 against unauthorized reworking or copies is significantly increased, because the movable elements 28, 30 must be known as separately movable elements and must be rebuilt.
  • longitudinal grooves 112 and 114 and a first longitudinal groove 112 and a second longitudinal groove 114 are shown, which cooperate with corresponding elevations 22 of the key 10 and also serve as a safety-relevant query.
  • the keyway 86 is formed point-symmetrical in its cross-section in order to support the function of the key 10 as a reversible key.
  • the complementary profile cross sections 108, 110 are respectively arranged on an opposite side 116, 118 or a first opposite side 116 and on a second opposite side 118 of the key channel 86.
  • FIGS. 17 and 18 show once again a clear view of the in the release state and in cooperation with the movable elements 28 and 30 mentioned elements of the lock cylinder 81. It is clearly recognizable once again the deflection of the movable elements 28 and 30 in opposite directions. These are deflected by the about the angle 120, in particular an angle of 45 °, relative to the keyway 86 and the first spatial direction 38 inclined support pins 90 and 92. These deflect each one of the movable elements 28, 30 and support this against a respective Kernrich 94, 98 from. By inserting the key 10, each of the movable elements 28, 30 is thus pushed between an associated support pin and core pin. The second movable member 30 is slid between the first support pin 90 and the first core pin 94.
  • the first movable element 28 is between the second support pin 92 and the second core pin 98 pushed. Due to the fixed arrangement of the support pins 90, 92 while a respective movable element 28, 30 is deflected and moves a corresponding core pin 94, 98, so that an associated locking device 104, 106 is moved to the release state. As already stated above, in particular the movement of the movable elements 28, 30 takes place in mutually opposite directions.
  • the Fig. 19 1 shows a schematic view of the sequence of a method 122 for producing a key 10 for a closing device 74.
  • a key blank is provided, wherein the key blank has a key shank 14 extending along a longitudinal direction 16 with two key broadside faces 18, 18 ' wherein the key shank 14 has a recess 32 through the key broadside faces 18, 18 ', and wherein the key blank has at a first key broadside face 18 at least a first holding portion 33 extending into the recess 32, an extension of the recess 32 into a second Direction of space 40, which runs parallel to the key broad side surfaces 18, 18 ', is reduced in size in the region of the first holding section 33.
  • a further step 126 at least two movable elements 28, 30 are inserted into the recess 32, wherein the extent of the recess in the second spatial direction in the region of the first holding portion 33 is smaller than a maximum extent of the at least two movable elements 28, 30 in the second spatial direction 40.
  • the movable elements 28, 30 in the recess 32 in particular from falling out by the first key broadside surface 18, secured.
  • the recess 32 is cold formed on a second wrench broad side surface 18 ', in particular wherein at least one edge of the recess 32 is cold formed to form at least a second holding portion 34 which extends into the recess 32, so that an extension the recess 32 in the second spatial direction 40 in the region of the second holding portion 34 is smaller than the maximum extent of the at least two movable elements 28, 30 in the second spatial direction 40.
  • the movable elements 28, 30 in the recess 32 in particular from falling out by the second key broadside surface 18 'secured.
  • the second holding portion 34 is formed by applying force, in particular by chiselling, by means of a punch or other tool designed for this purpose.
  • Figs. 20A and 20B each show two different embodiments of the first method step of providing 124 a key blank.
  • a first embodiment is in the Fig. 20A is shown.
  • the key blank is produced by casting.
  • the key blank is cast in such a way that this key blank differs from the key blank after method step 124 only in that it does not have the recess 32 and the at least one first holding section 33.
  • the key blank is produced by casting in such a way that it has all the features of the key blank after the method step 124.
  • the recess 32 in the key shank 14 is formed by machining, in particular drilling and / or milling.
  • a further step 134 the recess 32 on the first key broadside side surface 18 'cold formed, in particular wherein at least one edge of the recess 32 is cold formed to form the at least one first holding portion 33 which extends into the recess 32 so that a Extension of the recess 32 in the second spatial direction 40 in a region of the at least one first holding portion 33 is smaller than the maximum total extension of the at least two movable elements 28, 30 in the second spatial direction 40.
  • the movable elements 28, 30 in the recess 32nd in particular from falling out by the first key broadside side surface 18, secured.
  • the first holding portion 33 is formed by applying force, in particular by chiselling, by means of a punch or other tool designed for this purpose.
  • a second embodiment of the method step of providing 124 a key blank is in the Fig. 20B is shown.
  • the key blank is produced by casting.
  • the key blank is cast in such a way that this key blank differs from the key blank after method step 124 only in that it does not have the recess 32 and the at least one first holding section 33
  • the recess 32 and the at least one first holding portion 33 are formed in the key shank 14 by machining, in particular drilling and / or milling, so that an extension of the recess 32 in the second spatial direction 40 in the region of at least one first holding portion 33 is smaller than the maximum total extension of the at least two movable elements 28, 30 in the second spatial direction 40.
  • the movable elements 28, 30 in the recess 32 in particular from falling out by the first key broadside surface 18, secured.
  • the first holding portion 33 is formed by applying force, in particular by chiselling, by means of a punch or other tool designed for this purpose.
  • Fig. 21 shows an illustrated representation of the widening 138 of the corners of the recess 32 of the key 10.
  • a milling machine with a milling head 140 is preferably used, which may be formed in particular substantially round.
  • Fig. 21 shows the recess 32 from the same perspective as Fig. 10G , Fig. 21 shows therefore a cross section of the recess 32 perpendicular to the third spatial direction 42.
  • the milling head 140 is thereby moved along the path 142 outlined. As a result, the outer contour of the recess 32 is formed by the milling.
  • the milling head 140 performs the following movements: The milling head forms a first corner region 73 and becomes guided transversely to the opposite longitudinal side of the recess 32 to form the second corner portion 73.
  • the milling head 140 is next partially returned in the transverse direction.
  • the length of the return corresponds approximately to half the width of the milling head 140.
  • the milling head 140 is guided in the longitudinal direction 16 to the opposite transverse side of the recess 32.
  • the milling head 140 is again guided in the transverse direction to form the third corner region 73.
  • the direction of movement of the direction of movement corresponds to the formation of the second corner region 73.
  • the milling head 140 is guided in the transverse direction to the opposite longitudinal side of the recess 32 to form the fourth corner region 73.
  • the milling head 140 may be partially returned in the transverse direction next.
  • Fig. 21 Corresponds to the length of the return again in about half the width of the milling head 140.
  • the milling head 140 can be performed in the longitudinal direction 16 to the opposite transverse side of the recess 32.
  • the recess 32 is given a rectangular base area and four semicircular corner areas 73.
  • the first corner region 73 can also be formed by drilling by means of a drill, wherein the size of the drill to be used preferably corresponds to the size of the milling head 140.
  • the milling head 140 can then be inserted into the first corner region 73.
  • the recess 32 may then be formed by milling according to the method 138 described above.
  • a further embodiment of the recess 32 has a rectangular base with rounded corners, such as in Fig. 10E described.
  • the rectangular base in Fig. 10E corresponds to the cross-sectional area of the recess 32 perpendicular to the third spatial direction.
  • Such a recess 32 can be machined by means of the described method for expanding the corners 138, whereby the widened corner regions 73 are formed.
  • the tools used in forming 132, 136 of the recess 32 are variable in their penetration depth with respect to the third spatial direction when forming the recess 32.
  • the tools can not be partially passed through the entire key thickness, thereby on the first key broadside side surface 18th to form the at least one holding portion 33.
  • the key thickness corresponds to the extent of the key 10 in the third spatial direction 42 in the region of the key broadside surfaces 18, 18 ', ie the distance of the two key broadside surfaces 18, 18'.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (23)

  1. Clé (10) pour un barillet de serrure (76), la clé (10) présentant une tige de clé (14) s'étendant le long d'une direction longitudinale (16) avec deux surfaces de côté large de clé (18, 18'), la tige de clé (14) présentant un évidement (32) à travers les surfaces de côté large de clé (18, 18'), au moins deux éléments mobiles (28, 30) étant disposés l'un à côté de l'autre dans l'évidement (32) dans une première direction spatiale (38) qui s'étend perpendiculairement à la direction longitudinale (16) et parallèlement aux surfaces de côté large de clé (18, 18'),
    la clé (10) présentant, au niveau de chacune des surfaces de côté large de clé (18, 18'), au moins une portion de retenue (33, 34) qui s'étend dans l'évidement (32), une étendue de l'évidement (32) dans une deuxième direction spatiale (40), qui s'étend parallèlement aux surfaces de côté large de clé (18, 18'), étant inférieure dans la région des portions de retenue (33, 34) à une étendue maximale des au moins deux éléments mobiles (28, 30) dans la deuxième direction spatiale (40), de telle sorte que chacun des au moins deux éléments mobiles (28, 30) soit fixé dans l'évidement (32), caractérisée en ce que l'évidement (32) présente une surface de base essentiellement rectangulaire située perpendiculairement à une troisième direction spatiale (42), la troisième direction spatiale s'étendant perpendiculairement aux surfaces de côté large de clé.
  2. Clé (10) selon la revendication 1, caractérisée en ce que la clé (10) présente, au niveau de chacune des surfaces de côté large de clé (18, 18'), à chaque fois deux portions de retenue (33, 33', 34, 34'), les deux portions de retenue (33, 33', 34, 34') étant disposées à l'opposé l'une de l'autre au niveau de l'évidement (32) dans la deuxième direction spatiale (40).
  3. Clé (10) selon la revendication 1, caractérisée en ce que la clé (10) présente, au niveau de chacune des surfaces de côté large de clé (18, 18'), exactement une portion de retenue (33, 34) qui entoure l'évidement (32).
  4. Clé (10) selon l'une quelconque des revendications 1 à 3, caractérisée en ce que la deuxième direction spatiale (40) correspond à la direction longitudinale (16).
  5. Clé (10) selon l'une quelconque des revendications 1 à 3, caractérisée en ce que la deuxième direction spatiale (40) s'étend transversalement ou perpendiculairement à la direction longitudinale (16).
  6. Clé (10) selon l'une quelconque des revendications 1 à 5, caractérisée en ce que l'évidement (32) est disposé symétriquement par rapport à un plan médian (36) de la tige de clé (14) s'étendant perpendiculairement aux surfaces de côté large de clé (18, 18') et parallèlement à dans la direction longitudinale (16).
  7. Clé (10) selon l'une quelconque des revendications 1 à 6, caractérisée en ce que les au moins deux éléments mobiles (28, 30) sont disposés symétriquement par rapport à un plan médian (36) de la tige de clé (14) s'étendant perpendiculairement aux surfaces de côté large de clé (18, 18') et parallèlement à la direction longitudinale (16).
  8. Clé (10) selon l'une quelconque des revendications 1 à 7, caractérisée en ce que la clé (10) présente exactement deux éléments mobiles (28, 30).
  9. Clé (10) selon l'une quelconque des revendications 8, caractérisée en ce que à chaque fois l'un des deux éléments mobiles (28, 30) disposé sur chaque côté d'un plan médian (36) de la tige de clé (14) s'étendant perpendiculairement aux surfaces de côté large de clé (18, 18') et parallèlement à la direction longitudinale (16).
  10. Clé (10) selon l'une quelconque des revendications 1 à 9, caractérisée en ce qu'une étendue maximale (43) de chaque élément mobile (28, 30) dans une direction perpendiculaire aux surfaces de côté large de clé (18, 18') est supérieure à une distance (39) entre les surfaces de côté large de clé (18, 18').
  11. Clé (10) selon l'une quelconque des revendications 1 à 10, caractérisée en ce que les au moins deux éléments mobiles (28, 30) peuvent être déplacés par rapport à la tige de clé (14) dans la troisième direction spatiale (42) qui s'étend perpendiculairement aux surfaces de côté large de clé (18, 18'), en particulier les au moins deux éléments mobiles (28, 30) peuvent être déplacés l'un par rapport à l'autre.
  12. Clé (10) selon la revendication 11, caractérisée en ce que l'évidement (32) guide les au moins deux éléments mobiles (28, 30) dans la troisième direction spatiale (42).
  13. Clé (10) selon l'une quelconque des revendications 1 à 12, caractérisée en ce que les au moins deux éléments mobiles (28, 30) sont disposés l'un à côté de l'autre avec à chaque fois une surface de butée exposée (44) en appui et les surfaces de butée (44) s'étendent perpendiculairement à la première direction spatiale.
  14. Clé (10) selon l'une quelconque des revendications 1 à 13, caractérisée en ce que la surface des éléments mobiles (28, 30) est simplement cohésive, en particulier les éléments mobiles (28, 30) étant réalisés sous forme massive.
  15. Clé (10) selon l'une quelconque des revendications 1 à 14, caractérisée en ce que les éléments mobiles (28, 30) sont formés de manière asymétrique, en particulier les au moins deux éléments mobiles (28, 30) étant disposés avec une symétrie spéculaire l'un par rapport à l'autre.
  16. Clé (10) selon l'une quelconque des revendications 1 à 15, caractérisée en ce que l'évidement (32) est disposé dans un tiers avant (26) de la tige de clé (14) opposé à la tête de clé (12).
  17. Clé (10) selon l'une quelconque des revendications 1 à 16, caractérisée en ce que l'évidement (32) présente, au niveau des coins de la surface de base, des régions de coin élargies (73), en particulier des régions de coin hémisphériques (73).
  18. Dispositif de verrouillage (74) comprenant une clé (10) selon l'une quelconque des revendications 1 à 17 et un barillet de serrure (76), le barillet de serrure (76) présentant un boîtier (78) et un noyau de barillet (80), le barillet de serrure (76) présentant au moins une sécurité (104, 106), l'au moins une sécurité (104, 106) pouvant être déplacée entre un état de verrouillage et un état de libération et bloquant un mouvement de rotation du noyau de barillet (80) par rapport au boîtier (78) dans l'état de verrouillage et dans l'état de libération, au moins un élément mobile (28, 30) étant associé à l'une des au moins une sécurité (104, 106), et le barillet de serrure (76) pouvant être transféré de l'état de verrouillage dans l'état de libération par introduction complète de la clé (10) dans un canal de clé (86) du noyau de barillet (80), caractérisé en ce que le noyau de barillet (80) présente, pour au moins un élément mobile (28, 30), une goupille de support (90, 92) associée à la sécurité (104, 106) associée, et la sécurité (104, 106) associée pouvant être déplacée dans l'état de libération par introduction d'au moins un élément mobile (28, 30) entre la goupille de support associée (90, 92) et la sécurité associée (104, 106).
  19. Procédé (122) pour la fabrication d'une clé (10) pour un dispositif de verrouillage (74), caractérisé par les étapes suivantes :
    - fourniture (124) d'une ébauche de clé, l'ébauche de clé présentant une tige de clé (14) s'étendant le long d'une direction longitudinale (16) avec deux surfaces de côté large de clé (18, 18'), la tige de clé (14) présentant un évidement (32) à travers les surfaces de côté large de clé (18, 18'), et l'ébauche de clé présentant, au niveau d'une première surface de côté large de clé (18), au moins une première portion de retenue (33) qui s'étend dans l'évidement (32), une étendue de l'évidement (32) dans une deuxième direction spatiale (40) qui s'étend parallèlement aux surfaces de côté large de clé (18, 18'), étant réduite dans la région de la première portion de retenue (33), l'évidement (32) étant réalisé par perçage et fraisage de telle sorte que l'évidement (32) présente une surface de base essentiellement rectangulaire située perpendiculairement à une troisième direction spatiale (42), la troisième direction spatiale s'étendant perpendiculairement aux surfaces de côté large de clé,
    - insertion (126) d'au moins deux éléments mobiles (28, 30) dans l'évidement (32) de telle sorte que les au moins deux éléments mobiles (28, 30) soient disposés l'un à côté de l'autre dans l'évidement (32) dans une première direction spatiale (38) qui s'étend perpendiculairement à la direction longitudinale (16) et parallèlement aux surfaces de côté large de clé (18, 18'), l'étendue de l'évidement (32) dans la direction de la première portion de retenue (33) étant inférieure à une étendue maximale des au moins deux éléments mobiles (28, 30) dans la deuxième direction spatiale (40), et
    - façonnage (128), en particulier façonnage à froid ou façonnage massif à froid de l'évidement (32), en particulier d'au moins une arête de l'évidement (32), sur une deuxième surface de côté large de clé (18'), pour réaliser au moins une deuxième portion de retenue (34) qui s'étend dans l'évidement (32) de telle sorte qu'une étendue de l'évidement (32) dans la deuxième direction spatiale (40) dans la région de la deuxième portion de retenue (34) soit inférieure à l'étendue maximale des au moins deux éléments mobiles (28, 30) dans la deuxième direction spatiale (40).
  20. Procédé (122) selon la revendication 19, caractérisé en ce que l'étape de fourniture (124) présente en outre :
    - la réalisation (132) de l'évidement (32) dans la tige de clé (14) par usinage par enlèvement de copeaux, en particulier par perçage et/ou fraisage.
  21. Procédé (122) selon la revendication 19 ou 20, caractérisé en ce que l'étape de fourniture (124) présente en outre :
    - le façonnage (134), en particulier le façonnage à froid ou le façonnage massif à froid de l'évidement (32), en particulier d'au moins une arête de l'évidement (32), sur la première surface de côté large de clé (18'), afin de réaliser l'au moins une première portion de retenue (33) qui s'étend dans l'évidement (32) de telle sorte qu'une étendue de l'évidement (32) dans la deuxième direction spatiale (40) dans une région de l'au moins une première portion de retenue (33) soit inférieure à l'étendue totale maximale des au moins deux éléments mobiles (28, 30) dans la deuxième direction spatiale (40) ;
    en particulier la réalisation de l'au moins une première portion de retenue (33) s'effectuant par application de force, en particulier par matage, par exemple au moyen d'un poinçon ou d'un autre outil réalisé à cet effet.
  22. Procédé (122) selon l'une quelconque des revendications 19 à 21, caractérisé en ce que les coins de l'évidement (32) sont élargis de telle sorte que l'évidement (32) présente au niveau des coins de la surface de base des régions de coin élargies (73), en particulier des régions de coin hémisphériques (73).
  23. Procédé (122) selon l'une quelconque des revendications 19 à 22, caractérisé en ce que la réalisation de l'au moins une deuxième portion de retenue (34) s'effectue par application de force, en particulier par matage, par exemple au moyen d'un poinçon ou d'un autre outil réalisé à cet effet.
EP17169334.4A 2017-01-30 2017-05-03 Clé améliorée pour un barillet, dispositif de fermeture et procédé Active EP3354826B1 (fr)

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SI201730065T SI3354826T1 (sl) 2017-01-30 2017-05-03 Izboljšan ključ za cilinder ključavnice, ključavnica in postopek

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DE102017101783.6A DE102017101783A1 (de) 2017-01-30 2017-01-30 Verbesserter Schlüssel für einen Schließzylinder, Schließvorrichtung und Verfahren

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IL268743B2 (en) 2019-08-15 2023-12-01 Mul T Lock Technologies Ltd Key joint elements move to operate a contact line

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IL104349A (en) * 1993-01-08 1997-01-10 Mul T Lock Ltd Locking apparatus
ITTO980491A1 (it) 1998-06-05 1999-12-05 Mottura Serrature Di Sicurezza Serratura a cilindro.
DE10058590C1 (de) 2000-11-25 2002-07-25 Dom Sicherheitstechnik Schlüssel und zugehöriger Schließzylinder
ATE533907T1 (de) 2004-11-30 2011-12-15 Titan Tovarna Kovinskih Izdelkov In Livarna D D Kamnik Flachschlüssel mit zusätzlichem sicherheitselement
IL191855A0 (en) * 2008-06-01 2009-02-11 Multi Key Ltd Rav Mafteah Ltd Key, lock and locking mechanism
US8950226B2 (en) * 2011-10-12 2015-02-10 Moshe Dolev Cylinder lock assembly with non-rotating elements
FR3000982B1 (fr) 2013-01-15 2021-01-08 Massimo Valente Cle de serrurerie et ensemble de serrurerie a cylindre correspondant a une telle cle
CN103970459A (zh) 2013-01-30 2014-08-06 建兴电子科技股份有限公司 供交通工具使用的指令反馈系统及方法
WO2016161530A1 (fr) * 2015-04-10 2016-10-13 Kaba Ag Clé, ébauche de clé et cylindre de fermeture associé comprenant une caractéristique de sécurité supplémentaire
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