EP3205796B1 - Clé pour un barillet, barillet et dispositif de fermeture - Google Patents

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

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Publication number
EP3205796B1
EP3205796B1 EP17154558.5A EP17154558A EP3205796B1 EP 3205796 B1 EP3205796 B1 EP 3205796B1 EP 17154558 A EP17154558 A EP 17154558A EP 3205796 B1 EP3205796 B1 EP 3205796B1
Authority
EP
European Patent Office
Prior art keywords
key
blocking means
groove
rib
lock cylinder
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
EP17154558.5A
Other languages
German (de)
English (en)
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EP3205796A1 (fr
Inventor
Wilhelm Schmitz
Martin Veelmann
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 of EP3205796A1 publication Critical patent/EP3205796A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0017—Key profiles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0017—Key profiles
    • E05B19/0041—Key profiles characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key
    • E05B19/0052—Rectangular flat keys
    • E05B19/0058—Rectangular flat keys with key bits on at least one wide side surface of the key
    • 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
    • E05B27/0003—Details
    • E05B27/0017—Tumblers or pins
    • 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
    • E05B27/0078—Asymmetrical tumbler pins, e.g. with a key operating on a radial protrusion of a tumbler pin
    • 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
    • E05B27/10—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in operated by other surfaces of the key, e.g. openings receiving projections on the tumblers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0017—Key profiles
    • E05B19/0041—Key profiles characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key
    • E05B19/0052—Rectangular flat keys
    • E05B19/0058—Rectangular flat keys with key bits on at least one wide side surface of the key
    • E05B19/0064—Rectangular flat keys with key bits on at least one wide side surface of the key and with additional key bits on at least one narrow side edge of the key

Definitions

  • the present invention relates to a key for a lock cylinder, wherein the key has a key shaft extending along a longitudinal direction with two key broad side surfaces, the key shaft extending between a key head and a key tip opposite the key head, the key furthermore at least one in the Has longitudinally extending rib which protrudes from one of the key broad side surfaces, wherein the rib has at least two adjacent control planes in the longitudinal direction.
  • the present invention relates to a lock cylinder with a housing and a cylinder core, the lock cylinder having a plurality of locking devices, each locking device between a locked state and a released state is movable and blocks a rotational movement of the cylinder core relative to the housing in the locked state and releases it in the released state, the plurality of locking fuses having a first group of locking fuses which is arranged outside a longitudinal center plane of the lock cylinder, a first locking fuse of the first group of locking fuses is designed as a pin tumbler with a torsion-proof guided core pin.
  • the present invention relates to a locking device with a lock cylinder according to the invention and with a key according to the invention, the key having a key shaft extending along a longitudinal direction with two broad side surfaces of the key, the key shaft extending between a key head and a key tip opposite the key head, the key furthermore has at least one rib which extends in the longitudinal direction and protrudes from one of the broad side surfaces of the key, the rib having at least two control planes parallel to one another in the longitudinal direction, a control plane on the outside of the rib having at least one first recess.
  • Such a key such a lock cylinder and such a locking device are for example from the publication EP 1 482 109 A2 known.
  • the pamphlet EP 1 482 109 A2 shows a lock cylinder with a matching key, in which the lock cylinder has a cylinder core rotatably mounted in the cylinder housing with a key channel for the entry of the key, which key has a height-profiled rib protruding beyond its broad side, the tumbler notches with the tips of non-rotating core pins and housing pins, tumbler pins arranged in a row cooperate in such a way that the tumbler pins guided into the rotary joint between the cylinder core and cylinder housing intersecting core / housing bores are arranged in height so that the parting line between the core and housing pins is aligned with the rotary joint.
  • the rib has several control planes which run next to one another in the direction of key insertion and which, according to an adapted tumbler pin tip design, are selectively scanned by individual tumbler pins.
  • the publication also shows DE 35 18 743 A1 a locking device consisting of a lock cylinder and a flat key.
  • This has a control member arranged in the key, movable transversely to the key shaft plane and displaceable across the broad side of the key for an additional tumbler arranged in the cylinder core to the side of the key channel, which is controlled by the control member, which is transversely displaced through a key channel-side flank when the key is inserted, by means of a control element in the insertion direction rising incline parallel to the key insertion level and is moved into a release position.
  • the publication also shows AU 2009 202 668 B2 another key for use in a cylinder lock.
  • the publication shows WO 2015/051114 a lock and key combination with a cylinder that is rotatably arranged and with a side bar within the cylinder that is movable between a locked position that prevents rotation of the cylinder and an unlocked position that allows rotation of the cylinder.
  • the publication shows yet another profile key for cylinder locks AU 2010 206 090 B2 .
  • the publication shows yet another cylinder lock with a key WO 95/18281 A1 .
  • the pamphlet DE 2004 003 034 A1 shows a locking device with a cylinder housing and a lock cylinder having a cylinder core mounted therein and with a flat key which can be inserted into a key channel of the cylinder core.
  • the pamphlet US 2012/0073340 A1 shows a lock and key combination with a cylinder lock and a key according to the preamble of claim 1, with a flat key bit.
  • the pamphlet WO 2011/053317 A1 shows a lock cylinder and key combination and in particular a lock cylinder according to the preamble of claim 9, which is mounted in a door and which has a housing and a cylinder core.
  • a key for a lock cylinder having a key shaft extending along a longitudinal direction with two broad side surfaces of the key, the key shaft extending between a key head and a key tip opposite the key head, the key furthermore has at least one rib extending in the longitudinal direction which protrudes from one of the broad side surfaces of the key, the rib having at least two control planes lying next to one another in the longitudinal direction, a control plane lying on the rib having at least a first recess and a tip section which extends from an end of the outer rib on the key tip Control level up to
  • the length of the tip portion in the longitudinal direction is less than or equal to the width of the tip portion perpendicular to the longitudinal direction and parallel to the key broad side surfaces.
  • the key is thus designed as a flat key.
  • One of the broad side surfaces of the key is surmounted by a rib.
  • a plurality of control planes is formed on this rib, in particular precisely two control planes. Using these control levels, it is possible, for example, to actuate pin tumblers in a corresponding lock cylinder.
  • the rib can have at least two control planes lying parallel to one another in the longitudinal direction. The configuration of the control levels thus provides an additional query option in order to increase the security of the key.
  • the control planes extend parallel to the key broad side surfaces.
  • a control plane lying on the outside of the rib is thus the control plane which is most distant from the broad side face of the key.
  • the control plane on the outside of the rib has at least one recess.
  • Such recesses can be used, for example, as further query features. However, this is not absolutely necessary.
  • the result is a tip section which designates the area in the direction of the key tip of the control plane lying on the outside of the rib, which extends from the key tip end of the control plane, in particular up to a first recess.
  • the tip section should have a length that is less than or equal to its width parallel to the broad side surfaces of the key. In other words, this tip section is shorter than it is wide or, alternatively, it is just as long as it is wide. This results in a peg-like configuration of this tip section.
  • the tip section can also be referred to as a "pin section".
  • the tip section is designed in particular to be stationary.
  • a further query feature is provided by means of the pin at the tip-side end of the control plane lying on the outside of the rib, which can be queried, for example, in cooperation with grooves present in the core pins.
  • Further query options arise, as explained above, for example through the design of the cross-sectional contour of this pin. In particular, this cross-sectional contour can also take place cumulatively to the query of the tip section in a groove of a core pin of a pin tumbler.
  • a lock cylinder is provided with a housing and a cylinder core, the lock cylinder having a plurality or plurality of locking fuses, each locking safety device being movable between a locked state and a released state and a rotational movement of the cylinder core relative to the housing in the locked state locks and releases in the released state, the plurality of locking fuses having a first group of locking fuses, which is arranged outside a longitudinal center plane of the lock cylinder, a first locking fuse of the first group of locking fuses is designed as a pin tumbler with a torsion-proof guided core pin, the core pin the first locking device of the first group of locking devices has a groove pointing in the direction of the longitudinal center plane, and wherein the groove is arranged at a distance from a core-side end of the core pin, the groove being as itself parallel to the longitudinal center plane extending, offset groove is formed, wherein the cylinder core has a parallel to the longitudinal center plane running key channel for inserting the key, wherein the
  • Such a lock cylinder consequently has locking safeguards arranged eccentrically to the longitudinal center plane.
  • the longitudinal center plane is the plane of symmetry of the cross-sectional profile of the profile cylinder.
  • the longitudinal center plane contains an axis of rotation of the cylinder core and runs parallel to the keyway in its basic position, i.e. the locked state when the key is removed.
  • a first group of locking fuses is arranged outside this longitudinal center plane, each of which can be designed as a pin tumbler.
  • a first locking device of this first group of locking devices is designed as a pin tumbler.
  • Such pin tumblers with at least one core pin and at least one housing pin are known to those skilled in the art.
  • the groove is arranged at a distance from an end on the core side, ie at a distance from an end of the core pin which is located radially inward with respect to the axis of rotation of the cylinder core, and points in the direction of the longitudinal center plane. In this way the groove can be introduced by one Keys are queried, in particular, as will be explained below, from the tip section of a correspondingly configured key. In this way, the core pin can be actuated and displaced to achieve a release state in the displaced position.
  • the groove does not necessarily have to be designed as a through groove; it can also end on half or, for example, two thirds of the diameter of the core pin. As will be explained below, there is also the possibility here of introducing further safety-critical queries by appropriately designing the remote end of the groove.
  • An offset in particular a height offset, means an offset parallel to the longitudinal center plane.
  • the groove has an offset parallel to a longitudinal axis of the core pin. In this way, by moving along the groove, a force can be applied to the core pin parallel to its longitudinal axis and the core pin can be moved by the offset in the lock cylinder.
  • a locking device with a lock cylinder according to the second aspect of the invention or one of its configurations and with a key according to the first aspect of the invention or one of its configurations is provided, the lock cylinder being completely inserted into the key channel of the cylinder core from the locked state can be converted to the released state, the first locking device of the first group of locking devices being designed and arranged such that the tip section of the key is arranged in the groove of the first locking device of the first group of locking devices when the key is completely inserted into the key channel and the first locking device of the first group of locking devices has been transferred to the release state.
  • the geometric configuration in height and width can also be interrogated. Only with a corresponding length in comparison to the width can the groove pass through the tip section and a suitable force conversion takes place, which causes the displacement of the core pin of the first locking device.
  • control plane on the outside of the rib has at least one first recess and the tip section, the tip section extending from the end of the control plane on the outside of the rib to the first recess.
  • a "recess” here means a cut-free area of the control plane on the outside of the rib.
  • the control plane on the outside of the rib has no material in a region of a recess.
  • the control plane on the outside of the rib is thus formed at least by the tip section. In one embodiment it can be provided that the control plane lying on the outside of the rib is formed only by the tip section. A key head-side section of the control plane on the outside of the rib can then be completely excluded from the at least one first recess.
  • control plane on the outside of the rib has further sections and / or recesses on the key head side of the first recess, for example a control track section, in particular a continuous control track section, can be formed on the key head side of the first recess.
  • the internal rib control plane is designed as a control track.
  • a continuous control track can be formed without interruptions.
  • a control plane on the inside of the ribs embodied as a control track can have at least one recess or depression. Such a recess or depression can be provided, for example, to query a tip or tip geometry of a core pin.
  • the key has exactly two control levels, namely the control level on the outside of the rib and a control level on the inside of the rib, which is arranged between the control level on the outside of the rib and one of the broad side surfaces of the key.
  • control plane lying on the inside of the ribs has a run-up bevel at its end on the key tip side.
  • run-up slope By means of such a run-up slope, for example, the introduction of the key into the key channel can be simplified.
  • the run-up bevel reduces, for example, the resistance caused by pressing pin tumblers out of the keyway when the key is inserted into the keyway.
  • the tip section is spaced further from the key tip than the run-up slope of the control plane on the inside of the ribs.
  • a cross-sectional contour of the tip section is polygonal in a plane parallel to the broad side surfaces of the key.
  • the cross-sectional contour of the tip section can be triangular or rectangular.
  • it can also be designed to be square.
  • the cross-sectional contour thus designates the contour of the cross-section of the tip section in a plane parallel to the insertion direction of the key or the longitudinal extension of the key shaft.
  • the polygonal cross-sectional contour can be queried, for example, by a complementary design of a stepped end of the groove in a core pin, as will be explained below.
  • a cross-sectional contour of the tip section is elliptical in a plane parallel to the broad side surfaces of the key.
  • the cross-sectional contour can be circular.
  • Such a cross-sectional contour can also be queried, for example, in a stepped groove base of a core pin of a pin tumbler.
  • the elliptical shape or the circular shape can be advantageous in order to allow the tip section to slide into a groove or to slide along the groove. Resistance when the key is inserted into the key channel is thus reduced.
  • the tip section is designed to be stationary.
  • the tip section is therefore not mounted on or in the key shaft so as to be movable in any way. In this way, during insertion, a direct force transmission via the tip section to a locking device, for example the core pin of a pin tumbler, is possible in order to deflect it and thus to activate a safety-relevant query.
  • a locking device for example the core pin of a pin tumbler
  • the first group of locking fuses has a total of three locking fuses, each designed as a pin tumbler and arranged in a row parallel to the longitudinal center plane.
  • pin tumblers are provided in a lock cylinder, which i.a. can scan or query a key bit or belly of the key shaft.
  • a lock cylinder which i.a. can scan or query a key bit or belly of the key shaft.
  • five pin tumblers arranged in a row can be provided here. In particular, this can be provided in order to also provide the necessary multitude of possible combinations of locking codes for the provision of larger locking systems.
  • the first group of locking devices can also be provided outside the longitudinal center plane. In turn, they can each be designed as pin tumblers. This already results in eight pin tumblers that can query security features on the key.
  • the cylinder core has a key channel running parallel to the longitudinal center plane for inserting the key, the key channel extending between a key insertion opening and an inside end of the key channel, and wherein the first locking device is further spaced from the The insertion opening is arranged as the other locking fuses of the first group of locking fuses.
  • the first locking device of the first group of locking devices is thus located furthest inside in the key channel.
  • a tip section of the control plane on the outside of the rib must therefore first be guided past the core pins of the locking fuses or pin tumblers located further in the direction of the key insertion opening. This can further increase the security of the lock cylinder.
  • the groove is designed as a through groove extending parallel to the longitudinal center plane.
  • a through groove can be easily manufactured.
  • This groove can then already interrogate the one tip section in the control plane lying on the outside of the rib, and in addition serve to actuate the corresponding core pin using the key.
  • a force exerted on the groove by the tip section of the key can, with a corresponding design of the groove, be converted into a movement of the core pin, so that a release state is assumed.
  • an offset end of the groove has a defined cross-sectional contour in a plane parallel to the longitudinal center plane.
  • the cross-sectional contour can be one half of a triangle, one half of a rectangle, in particular a square, one half of an ellipse, in particular a circle.
  • a correspondingly designed stepped end of the groove can thus serve to query the cross-sectional contour of the tip section. This must have a correspondingly complementary cross-sectional contour in order to be able to move completely into the remote end of the groove and thus to insert the key completely into the keyway.
  • the groove has a curved or angled course. Accordingly, the groove can have a curved or kinked course in order to keep the resistance low when the key is inserted into the key channel and to provide a correspondingly soft course of the force transmission.
  • the groove has a run-up slope or an insertion widening.
  • the introduction widening can for example be a conical widening in the direction of the key insertion opening. In this way, the introduction of the tip section into the groove can be further simplified and it can be ensured that the tip section is not blocked at an entrance to the groove and the key cannot be inserted into the lock cylinder.
  • the first group of locking devices has a second locking device and a third locking device, each of which is designed as a pin tumbler with a non-rotatable core pin that has a control slope.
  • the non-rotatable guide ensures that the control slope points in the direction of the key insertion opening of the key channel.
  • the control slope can then interact, for example, with a correspondingly configured control plane of a key.
  • a control plane can thus be put in a position to deflect the corresponding core pins via the control slope so that the key can pass them.
  • the core pins are designed so that a tip section of the control plane on the outside of the rib can be guided past them, in particular the other locking fuses of the first group of locking fuses, so that the tip section can move into the first locking fuse of the first group of locking fuses.
  • control plane on the outside of the rib has at least one first recess and the tip section, the tip section extending from the end of the control plane on the outside of the rib to the first recess.
  • the control plane lying on the outside of the rib is thus formed at least by the tip section.
  • the control plane lying on the outside of the rib is formed only by the tip section.
  • a key head-side section of the control plane on the outside of the rib can then be completely excluded from the at least one first recess.
  • the control plane on the outside of the rib has further sections and / or recesses on the key head side of the first recess, for example a control track section, in particular a continuous control track section, can be formed on the key head side of the first recess.
  • a length of the tip section in the longitudinal direction is less than or equal to a width of the tip section perpendicular to the longitudinal direction and parallel to the broad side surfaces of the key.
  • the specified dimensions of the key can thus also be provided.
  • a particularly advantageous query of the feature of the tip section in the groove can take place, in particular by means of an offset of the groove, which is converted into a movement of the core pin parallel to its longitudinal direction.
  • a cross-sectional contour of the tip section is polygonal in a plane parallel to the broad side surfaces of the key.
  • the cross-sectional contour can be triangular or rectangular, in particular square.
  • the cross-sectional contour can also be elliptical, in particular circular.
  • the groove is designed as a stepped groove extending parallel to the longitudinal center plane, a stepped end of the groove having a cross-sectional contour in a plane parallel to the longitudinal center plane, which corresponds to one half of the cross-sectional contour of the tip section. In this way, the query of the cross-sectional contour in the groove already explained above is provided.
  • Fig. 1 shows an isometric view of an embodiment of a locking device 100.
  • the locking device 100 has a key 10 and a lock cylinder 16.
  • the lock cylinder 16 can be transferred from a locked to an unlocked state.
  • the lock cylinder 16 has a housing 20.
  • the housing 20 is designed as a profile housing, but this does not necessarily have to be the case.
  • a cylinder core 22 and a further cylinder core 22 ′ are rotatably arranged in the housing 20.
  • it is therefore a double cylinder or cylinder on both sides. In principle, however, it can also be a one-sided cylinder or a half cylinder or some other configuration.
  • the respective cylinder core 22, 22 ′ cannot be rotated within the housing 20.
  • the cylinder core 22 or 22 ′ can be rotated relative to the housing 20.
  • the cylinder cores 22, 22 ' are coupled to an actuating element 18, which can then also be rotated in order to actuate a lock.
  • the key 10 has a key head 12, which can also be called a handle. The key is grasped at this and inserted into the cylinder core 22, 22 '. Starting from the key head 12, a key shaft 14 extends to a key tip 13. The key shaft thus extends between the key tip 13 and the key head 12. The key shaft 14 is inserted into the cylinder core 22, 22 ′ of the lock cylinder 16. On the basis of the design of the key shaft, various features are queried mechanically in the cylinder core 22 and locking elements, for example pin tumblers, are actuated so that they are moved and the unlocked State is established.
  • a key channel of a cylinder core 22, 22 ′ is denoted by the reference symbol 50.
  • the locked position shown is in a usual installation position in a door, usually in the vertical direction. However, this is of course not necessarily the case; other installation positions are also possible.
  • Fig. 2 shows the representation of the Fig. 1 a side view. Also shown is a screw connection opening 24 with which the lock cylinder 16 can be fastened in a door, for example. Furthermore, a cylinder longitudinal axis 26 is shown, about which a respective cylinder core 22, 22 ′ can rotate within the housing 20. As already stated above, the lock cylinder 16 is designed as a double cylinder in the illustration shown. In the case of a cylinder or half cylinder only on one side, only one cylinder core 22 or 22 'would accordingly be provided.
  • a longitudinal direction of the key is denoted by the reference number 27.
  • the key shaft 14 extends from the key head 12 to the key tip 13 along this longitudinal direction 27.
  • the key 10 is inserted into a cylinder core 22, 22 'parallel to an insertion direction 28.
  • a longitudinal direction 27 of the key and the cylinder longitudinal axis 26 then run parallel to each other and parallel to the insertion direction 28.
  • FIG. 13 is a front view of the illustration in FIG Fig. 1 .
  • a longitudinal center plane 30 is drawn in.
  • the longitudinal center plane 30 is also a plane of symmetry of the housing 20.
  • the longitudinal center plane 30 runs parallel to the key channel 50 in a basic position, ie the locked state of the lock cylinder 16 with key removed 10.
  • the key 10 is designed as a so-called flat key. It has two key broad side surfaces 32 and 32 '. It can also be seen that a rib 34 protrudes from one of the broad side surfaces 32 'of the key. The design of this rib 34 will be discussed in detail below.
  • this Rib 34 can be actuated, among other things, outside the longitudinal center plane 30 in the lock cylinder 16, locking devices or tumblers, in particular pin tumblers, in order to transfer the lock cylinder 16 into an unlocked state in which the cylinder core 22 can be rotated in the housing 20 by means of the handle 12 of the key 10 is.
  • FIG. 11 shows an exploded view of a locking device 100, as is also shown in FIG Figs. 1 to 3 is shown. The same elements are consequently identified with the same reference symbols.
  • the cylinder cores 22 and 22 ' are of identical design. Similar elements are therefore denoted by similar reference symbols.
  • the cylinder core 22 has the key channel 50. This extends from an insertion opening 57 to an inner end 59 of the key channel.
  • several locking devices or tumblers are provided to block a rotary movement of the respective cylinder core 22, 22 'with respect to the housing 20, several locking devices or tumblers are provided. In the Fig. 4 several locking fuses designed as pin tumblers are shown. These consist of housing pins and core pins in a known manner.
  • the core pins and housing pins are shifted in such a way that a contact plane between the pins is aligned with a parting plane between the respective cylinder core and the housing 20, so that the core pins with the cylinder core 22, 22 'can be rotated . If an incorrect key 10 is inserted, at least one of the core pins and / or the housing pins protrudes beyond the parting plane and prevents rotation of the cylinder core 22, 22 ′ with respect to the housing 20.
  • a first group of locking fuses 88 and 88 ' is provided outside the longitudinal center plane. This can, for example, as in the illustrated embodiment, each have three locking fuses. Correspondingly, three core pins 40 and 40 'and three housing pins 44 and 44' are provided. The core pin 46 of this first group of locking fuses 88 or 88 ′, which comes closest to the inner end of the key channel 50, has a special configuration which will be discussed in detail below. Another group of housing pins is designated by 48 or 48 '. The associated core pins are designated by 42 and 42 '. These each form five pairs of pin tumblers. These are located for example within the longitudinal center plane 30 and form a further group of locking fuses 89 and 89 '.
  • the cylinder cores 22, 22 ′ can each be coupled non-rotatably to the actuating element 18 by means of a coupling element 38. Only one of the cylinder cores 22, 22 'can be coupled to the actuating element (18) at the same time.
  • Two snap rings 36, 36 ' are each used to fasten the cylinder cores 22, 22' in the housing 20.
  • FIGS. 5 to 7 show different views of the core pin 46 of the lock cylinder 16.
  • Each cylinder core 22 or 22 ′ provided in the lock cylinder 16 can have such a core pin 46.
  • the core pin 46 has a base body 54. This is essentially cylindrical.
  • the base body has a projection 56 which has an asymmetrical cross-sectional profile for the core pin to the extent that it is guided so that it cannot rotate.
  • a longitudinal axis of the core pin is indicated schematically by 61.
  • the protrusion 56 has the effect that the core pin 46 cannot rotate about the longitudinal axis 61 within the cylinder core 22, 22 ′ or the lock cylinder 16. In this way, a registration of the features of the core pin 46 is provided.
  • the rib 34 of the key 10 has two control levels which can be queried by the core pins.
  • the rib 34 is arranged in such a way that it overlaps with a region of the core pin 46 which has a groove 58 and a recess 60.
  • the recess 60 receives a portion of the core pin 46.
  • this has the effect that an internal control plane of the rib 34, which will be explained in detail below, does not interact with the core pin 46.
  • the groove 58 interacts with a tip section of the control plane of the rib 34 which is on the outside of the rib, which is explained in detail below. As can be seen, the groove 58 is spaced apart from a core-side end 51 of the core pin 46.
  • the groove 58 is designed as a through groove. It has a run-on slope 64 onto which the tip section can run, as will be explained below. Furthermore, the groove 58 has an angled course, which provides an offset 62 in height, ie in the direction of the longitudinal axis 61 of the core pin 46. The course does not necessarily have to be angled; for example, curved courses are also possible. This has the effect that the tip section can actuate the core pin 46 by moving onto the run-up slope 64 and move it parallel to its longitudinal axis 61. He is thereby by the offset 62 in the in the Fig. 6 shown view moved down.
  • Figs. 8-11 show in detail the design of the key 10. Identical elements are identified by the same reference symbols.
  • the rib 34 has two control planes 68 and 70.
  • One of the control levels namely the control level 68, is in direct contact with a broad side surface 32 ′ of the key 10. This is what is known as the control plane 68 located on the inside of the rib.
  • the control plane 70 on the outside of the rib is consequently the control plane which is located furthest away from the broad side surfaces 32 'of the key. This also applies in the event that, for example, more than two control levels are provided.
  • exactly two control planes are provided, namely the control plane 68 on the inside of the rib and the control plane 70 on the outside of the rib.
  • the control plane 70 on the outside of the rib has at least one recess 72.
  • a beginning or a tip-side end of the control plane 70 on the outside of the rib is identified with the reference symbol 76. It is offset from a run-up bevel 74 of the control plane 68 on the inside of the ribs. The run-on bevel 74 is arranged on the end of the key 10 of the control plane 68 on the inside of the ribs, which is also on the key tip side. A so-called tip section 66 extends from the beginning 76 of the control plane 70 on the outside of the rib to the recess 72.
  • This has a length, ie an extension in the longitudinal direction 27 of the key, which is designated by 84 and is less than or equal to its width 82.
  • the width is the corresponding dimension perpendicular to the longitudinal direction parallel to the broad side surfaces 32, 32 '.
  • the tip portion 66 has a certain cross-sectional contour 80 in FIG Fig. 8 view shown, ie in a plane parallel to the broad side surfaces 32, 32 '. In the embodiment shown, this is circular. In principle, however, it can also be elliptical, triangular or square or square. The increased security and query options by means of this tip section 66 are explained below.
  • the key 10 is shown in an inserted position in the lock cylinder 16.
  • the first group of locking fuses 88 lies outside the longitudinal center plane 13.
  • the sectional view of FIG Fig. 12 is cut through this first group of locking fuses 88.
  • the core pin 46 already described above is an element of the pin tumbler 52, which forms a first locking device 52 of this first group of locking devices 88.
  • the locking device 52 is the locking device arranged furthest in the direction of the inner end 59 of the keyway 50.
  • the locking device 53 and 55 of the first group of locking devices 88 usually interact with the internal and external rib control levels 68 and 70 and are queried in order to move the core pins and housing pins of the pin tumblers or locking devices 53 and 55 into the release position of Fig. 12 to move.
  • the tip section 66 of the control plane 70 on the outside of the rib of the key 10 has moved into the core pin 46 via the run-up bevel and this consequently moves and the Fig. 12 unlocked position shown. In this unlocked position, the tip section 66 is arranged approximately halfway along the groove 58 after it has passed through the run-up slope 64.
  • the cylinder core 22 in the lock cylinder 16 is in a locked state and cannot be rotated.
  • the core pins 46, 40 protrude and 40 'of the locking fuses 52, 53, 55 into the key channel 50.
  • the internal and external rib control levels 68 and 70 then activate them as explained below in order to transfer them to the unlocked state.
  • the core pins 40 and 40 'each also have a run-up slope 90, 90', which each interact with the run-up slope 74 of the control plane 68 located on the inside of the ribs.
  • FIG. 16 This is in the Fig. 16 shown.
  • the core pin 40 ' is thus pushed out of the way of the tip section 66 so that it can freely pass the core pin 40', as in FIG Fig. 17 is shown.
  • the run-up bevel 74 then strikes the core pin 40 and also presses it downward, as in FIG Fig. 18 is shown.
  • the tip portion 66 can thus also pass the core pin 40, as in FIG Fig. 19 is shown.
  • the core pin 40 ′ moves into a semicircular recess 92 in the control plane located on the inside of the ribs and is temporarily arranged in this recess 92.
  • the core pin 40 ′ is then likewise pressed downward out of the recess 92 as it is further inserted. This is in the Fig. 20 shown.
  • the tip section 66 of the rib-removing control plane 70 moves into the groove 58 of the core pin 46.
  • the control plane 68 on the inside of the ribs passes the core pin 46 due to its recess 60.
  • the tip section 66 moves onto the run-up slope 64 of the groove 58, so that the core pin 46 is pressed downward.
  • a tip section 66 which does not meet the requirements with regard to its length in relation to the width could not follow the angled course of the groove 58.
  • a width of the groove 58 can therefore correspond to a width 82 of the tip section 66.
  • the groove 58 can have an angle of 20 ° -45 ° in its course.
  • the key 10 could therefore not be completely inserted into the key channel 50.
  • a circular cross-sectional contour of the tip section 66 simplifies the introduction of the key and the sliding of the tip section 66 through the groove 58 of the core pin 46.
  • the core pin 46 is deflected into the groove 58 after passing through the tip section 66 as desired.
  • the core pin 40 is located in the semicircular recess 92 and the core pin 40 ′ is correspondingly pressed downward by the control plane 68, 70 lying on the inside and outside the ribs.
  • the queries at the core pins 40, 40 ' are only to be understood as examples. What is shown here is the interrogation of the tip section 66 via a groove 58 provided in the core pin 46. Furthermore, in the present case, three core pins 46, 40 and 40 'by means of the control plane located on the inside of the ribs cause the core pins located in the further device of the insertion opening of the key channel 50 40 and 40 ′ during the insertion so that the tip section 66 can reach the core pin 46.
  • FIG. 21 Another embodiment is in the Fig. 21 shown.
  • the groove 58 is designed as a stepped groove.
  • This has a half-contour 96 in the offset.
  • This half-contour is semicircular in the present illustration. It is thus complementary to a corresponding cross-sectional contour 80 of the tip section 66.
  • This cross-sectional contour can thus also be queried.
  • the tip section 66 or its cross-sectional contour 80 are also not designed to be complementary, the tip section 66 could not move completely into the stepped groove.
  • the stepped groove has a widening 94 in order to facilitate the insertion of the tip section 66 to ensure.
  • the tip section 66 when inserting the tip section 66 into the stepped groove 58, it is centered so that the cross-sectional contour 80 and the half-contour 96 of the stepped end slide into one another and this safety-relevant query can thus be carried out. If, as stated, the cross-sectional contour 80 and the half-contour 96 do not correspond to one another, the tip section 60 cannot move completely into the groove 58 and the key 50 cannot be completely inserted.
  • the unlocked position is shown again in an isometric view. It can be seen how the tip section 66 of the control plane 70 on the outside of the rib comes to lie in the groove 58 of the core pin 46. Furthermore, it can be seen that the structure of the track 68 located on the inside of the rib, due to the recess 60, does not influence the core pin 46 and can thus serve to move the core pins 40, 40 ′ out of the path of the tip section 66 beforehand.
  • the aspects of the peg-like tip section on a key through an inwardly directed groove of a core pin, create interrogation options to further increase the security of a lock cylinder and also to better protect a key from imitation.
  • the reworking of such a key is made even more complex.
  • precise knowledge of the interrogations of a lock cylinder is necessary in order to correctly rework not only the position but also the cross-sectional contour of the tip section 66 of the key 10, for example.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (20)

  1. Clé (10) pour un barillet (16), la clé (10) présentant une tige de clé (14) s'étendant parallèlement à une direction longitudinale (27), avec deux surfaces latérales larges de clé (32, 32'), la tige de clé (14) s'étendant entre une tête de clé (12) et une pointe de clé (13) opposée à la tête de clé (12), la clé (10) présentant en outre au moins une nervure (34) qui fait saillie depuis l'une des surfaces latérales larges de clé (32, 32'), la nervure (34) présentant au moins deux plans de commande (68, 70) juxtaposés dans la direction longitudinale (27), un plan de commande (70) situé à l'extérieur de la nervure présentant une portion de pointe (66) qui s'étend à partir d'une extrémité côté pointe de clé (76) du plan de commande (70) situé à l'extérieur de la nervure, caractérisée en ce que la longueur (84) de la portion de pointe (66) dans la direction longitudinale (27) est inférieure ou égale à la largeur (82) de la portion de pointe (66) perpendiculairement à la direction longitudinale (27) et parallèlement aux surfaces latérales larges de clé (32, 32').
  2. Clé selon la revendication 1, caractérisée en ce que le plan de commande (70) situé à l'extérieur de la nervure présente au moins un premier évidement (72) et la portion de pointe (66), la portion de pointe (66) s'étendant depuis l'extrémité côté pointe de clé (76) du plan de commande (70) situé à l'extérieur de la nervure jusqu'au premier évidement (72).
  3. Clé (10) selon la revendication 1 ou 2, caractérisée en ce que la clé (10) présente exactement deux plans de commande (68, 70), à savoir le plan de commande (70) situé à l'extérieur de la nervure et un plan de commande (68) situé à l'intérieur de la nervure, qui est disposé entre le plan de commande (70) situé à l'extérieur de la nervure et l'une des surfaces latérales larges de clé (32, 32').
  4. Clé (10) selon la revendication 3, caractérisée en ce que le plan de commande (68) situé à l'intérieur de la nervure présente un biseau d'entrée (74) au niveau de son extrémité côté pointe de clé (76).
  5. Clé (10) selon la revendication 4, caractérisée en ce que la portion de pointe (66) est plus éloignée de la pointe de clé (13) que le biseau d'entrée (74) du plan de commande situé à l'intérieur de la nervure.
  6. Clé (10) selon l'une quelconque des revendications 1 à 5, caractérisée en ce qu'un contour en section transversale (80) de la portion de pointe (66) dans un plan parallèle aux surfaces latérales larges de clé (32, 32') est polygonal, en particulier est triangulaire ou rectangulaire, en particulier carré.
  7. Clé (10) selon l'une quelconque des revendications 1 à 5, caractérisée en ce qu'un contour en section transversale (80) de la portion de pointe (66) dans un plan parallèle aux surfaces latérales larges de clé (32, 32') est en forme d'ellipse, en particulier est circulaire.
  8. Clé (10) selon l'une quelconque des revendications 1 à 7, caractérisée en ce que la portion de pointe (66) est réalisée sous forme fixe.
  9. Barillet (16) comprenant un boîtier (20) et un noyau de cylindre (22), le barillet (16) présentant une pluralité de sécurités (88, 89), chaque sécurité (88, 89) pouvant être déplacée entre un état de blocage un état de libération et bloquant un mouvement de rotation du noyau de cylindre (22) par rapport au boîtier (20) dans l'état de blocage et le permettant dans l'état de libération, la pluralité de sécurités (88, 89) présentant un premier groupe de sécurités (88) qui est disposé à l'extérieur d'un plan médian longitudinal (30) du barillet (16), une première sécurité (52) (52) du premier groupe de sécurités (88) étant réalisée sous forme de gorge avec une tige de noyau (46) guidée de manière solidaire en rotation, la tige de noyau (46) de la première sécurité (52) du premier groupe de sécurités (88) présentant une rainure (58) tournée dans la direction du plan médian longitudinal (30), la rainure (58) étant disposée à distance d'une extrémité côté noyau (51) de la tige de noyau (46), la rainure (58) étant réalisée sous forme de rainure en retrait (58) s'étendant parallèlement au plan médian longitudinal (30), le noyau de cylindre (22) présentant un canal de clé (50) s'étendant parallèlement au plan médian longitudinal (30) pour l'introduction de la clé (10), le canal de clé (50) s'étendant entre une ouverture d'introduction de clé (57) et une extrémité intérieure (59) du canal de clé (50), et la rainure (58) étant ouverte dans la direction de l'ouverture d'introduction de clé (57), caractérisé en ce qu'une allure de la rainure (58) présente un décalage (62).
  10. Barillet (16) selon la revendication 9, caractérisé en ce que le premier groupe de sécurités (88, 89) présente dans l'ensemble trois sécurités (52, 53, 54) qui sont réalisées à chaque fois sous forme de gorge et qui sont disposées en rangée parallèlement au plan médian longitudinal (30).
  11. Barillet (16) selon la revendication 9 ou 10, caractérisé en ce que le noyau de cylindre (22) présente un canal de clé (50) s'étendant parallèlement au plan médian longitudinal (30) pour l'introduction de la clé (10), le canal de clé (50) s'étendant entre une ouverture d'introduction de clé (57) et une extrémité intérieure (59) du canal de clé (50), et la première sécurité (52) étant disposée de manière plus éloignée de l'ouverture d'introduction de clé (57) que les autres sécurités (53, 55) du premier groupe de sécurités (88, 89).
  12. Barillet (16) selon l'une quelconque des revendications 9 à 11, caractérisé en ce que la rainure (58) est réalisée sous forme de rainure continue s'étendant parallèlement au plan médian longitudinal (30).
  13. Barillet (16) selon l'une quelconque des revendications 9 à 12, caractérisé en ce qu'une extrémité en retrait de la rainure (58) présente un contour en section transversale défini (80) dans un plan parallèle au plan médian longitudinal (30), en particulier le contour en section transversale (80) étant la moitié d'un triangle, d'un rectangle, d'un carré, d'une ellipse ou d'un cercle.
  14. Barillet (16) selon l'une quelconque des revendications 9 à 13, caractérisé en ce que la rainure (58) présente une allure courbée ou coudée.
  15. Barillet (16) selon la revendication 14, caractérisé en ce que la rainure (58) présente un biseau d'entrée (64) ou un élargissement d'introduction (94).
  16. Barillet (16) selon l'une quelconque des revendications 9 à 15, caractérisé en ce que le premier groupe de sécurités (88, 89) présente une deuxième sécurité (53) et une troisième sécurité (55), qui sont réalisées à chaque fois sous forme de gorge avec une tige de noyau (40, 40') guidée de manière solidaire en rotation qui présente un biseau de commande (90, 90').
  17. Dispositif de fermeture (100) comprenant un barillet (16) selon l'une quelconque des revendications 9 à 16 et une clé (10) selon l'une quelconque des revendications 1 à 8, une première sécurité (52) du premier groupe de sécurités (88) étant réalisée sous forme de gorge avec une tige de noyau (46) guidée de manière solidaire en rotation, le barillet (16) pouvant être transféré de l'état de blocage à l'état de libération par introduction complète de la clé (10) dans le canal de clé (50) du noyau de cylindre (22), la première sécurité (52) du premier groupe de sécurités (88) étant réalisée et disposée de telle sorte que la portion de pointe (66) de la clé (10), dans une position de la clé (10) complètement introduite dans le canal de clé (50), soit disposée dans la rainure (58) de la première sécurité (52) du premier groupe de sécurités (88) et que la première sécurité (52) du premier groupe de sécurités (88) soit transférée dans l'état de libération, une allure de la rainure (58) présentant un décalage (62) et le dispositif de blocage étant réalisé de telle sorte que la portion de pointe (66) transfère la première sécurité (52) du premier groupe de sécurités (88, 89) dans l'état de libération par le fait que la portion de pointe (66) passe par le décalage (62).
  18. Dispositif de fermeture (100) selon la revendication 17, caractérisé en ce qu'une longueur (84) de la portion de pointe (66) dans la direction longitudinale (27) est inférieure ou égale à une largeur (82) de la portion de pointe (66) perpendiculairement à la direction longitudinale (27) et parallèlement aux surfaces latérales larges de clé (32, 32').
  19. Dispositif de fermeture (100) selon la revendication 17 ou 18, caractérisé en ce que le plan de commande (70) situé à l'extérieur de la nervure présente au moins un premier évidement (72) et la portion de pointe (66), la portion de pointe (66) s'étendant depuis l'extrémité côté pointe de clé (76) du plan de commande (70) situé à l'extérieur de la nervure jusqu'au premier évidement (72).
  20. Dispositif de fermeture (100) selon l'une quelconque des revendications 17 à 19, caractérisé en ce qu'un contour en section transversale (80) de la portion de pointe (66) dans un plan parallèle aux surfaces latérales larges de clé (32, 32') est polygonal, en particulier triangulaire, rectangulaire ou carré, ou en forme d'ellipse, en particulier circulaire, et la rainure (58) étant réalisée sous forme de rainure en retrait (58) s'étendant parallèlement au plan médian longitudinal (30), une extrémité en retrait de la rainure (58) présentant un contour en section transversale (80) dans un plan parallèle au plan médian longitudinal (30) qui correspond à une moitié du contour en section transversale (80) de la portion de pointe (66).
EP17154558.5A 2016-02-10 2017-02-03 Clé pour un barillet, barillet et dispositif de fermeture Active EP3205796B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016102288.8A DE102016102288A1 (de) 2016-02-10 2016-02-10 Schlüssel für einen Schließzylinder, Schließzylinder und Schließvorrichtung

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EP3205796A1 EP3205796A1 (fr) 2017-08-16
EP3205796B1 true EP3205796B1 (fr) 2020-11-11

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EP3205796A1 (fr) 2017-08-16
DE102016102288A1 (de) 2017-08-10
DK3205796T3 (da) 2020-12-21

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