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EP2452030A1 - Lock cylinder and matching key - Google Patents

Lock cylinder and matching key

Info

Publication number
EP2452030A1
EP2452030A1 EP10727430A EP10727430A EP2452030A1 EP 2452030 A1 EP2452030 A1 EP 2452030A1 EP 10727430 A EP10727430 A EP 10727430A EP 10727430 A EP10727430 A EP 10727430A EP 2452030 A1 EP2452030 A1 EP 2452030A1
Authority
EP
European Patent Office
Prior art keywords
key
locking
feeler
lock cylinder
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.)
Granted
Application number
EP10727430A
Other languages
German (de)
French (fr)
Other versions
EP2452030B9 (en
EP2452030B1 (en
Inventor
Andreas Baumann
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.)
C Ed Schulte Zylinderschlossfabrik GmbH
Original Assignee
C Ed Schulte Zylinderschlossfabrik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by C Ed Schulte Zylinderschlossfabrik GmbH filed Critical C Ed Schulte Zylinderschlossfabrik GmbH
Publication of EP2452030A1 publication Critical patent/EP2452030A1/en
Application granted granted Critical
Publication of EP2452030B1 publication Critical patent/EP2452030B1/en
Publication of EP2452030B9 publication Critical patent/EP2452030B9/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0078Asymmetrical tumbler pins, e.g. with a key operating on a radial protrusion of a tumbler pin
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0082Side bar locking
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7486Single key
    • Y10T70/7508Tumbler type
    • Y10T70/7559Cylinder type
    • Y10T70/7588Rotary plug
    • Y10T70/7593Sliding tumblers
    • Y10T70/7599Transverse of plug
    • Y10T70/7605Pin tumblers
    • Y10T70/761Rotatable pins [e.g., MEDECO lock]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7486Single key
    • Y10T70/7508Tumbler type
    • Y10T70/7559Cylinder type
    • Y10T70/7588Rotary plug
    • Y10T70/7593Sliding tumblers
    • Y10T70/7599Transverse of plug
    • Y10T70/7616Including sidebar
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7486Single key
    • Y10T70/7508Tumbler type
    • Y10T70/7559Cylinder type
    • Y10T70/7667Operating elements, parts and adjuncts
    • Y10T70/7672Cylinder
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/778Operating elements
    • Y10T70/7791Keys
    • Y10T70/7881Bitting

Definitions

  • the invention relates to a lock cylinder having a keyway for inserting a profiled key having the cylinder core, with at least one arranged in the cylinder core, acted upon by a spring sensing member, which held in not inserted into the keyway key of the spring in a blocking position is, and with a locking member which is held by the locking member located in the blocking position in a rotation of the cylinder core blocking position, wherein the sensing member of the profiling of the inserted into the keyway matching key against the restoring force of the spring in a release position is controllable, in which the locking member can escape into a cylinder core unlocking position.
  • the invention also relates to a locking device consisting of a lock cylinder and a matching key.
  • a lock cylinder with matching key is described by DE 30 24 929.
  • the lock cylinder has a cylinder housing which has a bearing bore, in which a cylinder core rests, which can be rotated by inserting a matching key in the keyway of the cylinder core to rotate a coupled to the insertion of the key with the cylinder core closure member, with which a lock is actuated. If the key is not inserted, the cylinder core is locked by tumblers.
  • a plurality of tumblers each having a housing pin and a core pin is located in pin bores of a profile section of the cylinder housing, these pin bores being aligned with core pin bores of the cylinder core.
  • the housing pins intersect the parting line between the cylinder core and the cylinder housing.
  • a cylindrical sensing element which in the axial direction is relocatable.
  • the feeler is held by a spring in a locking position in which it prevents a displacement of a locking bar designed as a blocking member in a release position. If the appropriate key is inserted into the keyway, not only the tumbler pins are sorted in such a way that the housing pins no longer intersect the parting line.
  • the feeler is also moved to a release position. In this case, the feeler member scans a profile rib of the pin with its end face opposite the spring-loaded end face. When fully inserted key, the feeler has been moved to such a position in which the locking member can escape into a cylinder core unlocking position.
  • the cylinder core can now be turned.
  • DE 16 78 096 describes a lock cylinder with a cylinder housing and a rotatably mounted in a bore of the cylinder housing cylinder core.
  • the latter has a key channel into which a key can be inserted.
  • the key shaft of the key has slots for sorting core pins.
  • the core pins have roof-first trained heads that can enter into oblique grooves of the key shank and thereby obtain a defined rotational position. The inserted appropriate
  • DE 36 09473 Al describes a lock cylinder in which the cylinder core is locked in rotation by means of a two-armed locking lever, which is pivotable by inserting a suitable key into an unlocking position.
  • the lever is acted upon by a compression spring and controlled by a profiling the Whybreitseite scanning stylus.
  • the invention has for its object to improve the locking security of a lock cylinder.
  • the feeler member has a rotatably mounted in the cylinder core shaft.
  • the following properties are advantageous: A probe arm protrudes from this shaft. The probe arm scans the profiling of the key. When inserting the matching key, the probe arm slides along the key shaft and receives a defined rotational position when the key is fully inserted. The probe arm rests against a contact flank of the key shank. The position of the abutment edge defines the rotational position of the shaft. The fully inserted into the keyway matching key gives the shaft such a rotational position that the locking member can escape to its unlocking position.
  • the feeler member has a recess which is preferably arranged on the side facing away from the sensing arm side of the shaft.
  • a projection of the locking member can dip when the recess is aligned with the projection.
  • the recess is not aligned with the projection.
  • In front of the projection is rather a locking edge, which prevents a radial Auswei- Chen of the locking member.
  • the blocking edge is adjacent to the recess.
  • the recess is preferably formed by a radial recess of the shank whose outline contour is only slightly larger than the outline contour of the associated projection of the locking member. A rotational position of the shaft thus causes the projection can not dive into the Radialaus- perception.
  • the radial recess adjacent wall the shaft thus forms the blocking edge, which lies in the blocking position of the feeler member in front of the projection and which holds the locking member in the blocking position.
  • the probe arm is formed by a arranged at the end of the shaft head of the feeler member. This head can also form a support edge on which an arm of a leaf spring is supported, which holds the feeler member in a blocking position or shifted back to a rotation of the shaft after deduction of the key back into the blocking position.
  • the cylinder core has radial recesses. Such a recess forms a pocket in which the locking member rests, which is preferably formed by a locking bar.
  • the locking bar has obliquely extending locking flanks, which abut in the blocking position of the locking member on obliquely extending side walls of a locking groove of the cylinder housing. If the cylinder core is rotated in the release position located Tastgliedern, so the locking edges can slide off each other, which has a Radialein Althoughung the locking member result. This is done against the restoring force of a return spring, which otherwise acts on the locking member in the direction of the locking groove.
  • the locking bar has a projection in the region of each of its two ends. Each projection is assigned a probe.
  • the cylinder core has two diametrically opposed locking members, which are each assigned one, preferably two feeler members, so that not only the presence of one, but also two opposing ribs of the key shank can be scanned with the feeler arms of the feeler members.
  • Each of the opposing profile ribs of the key shank but also has depressions that form contact edges.
  • the flanks extend obliquely to the insertion of the key, so that the sensing elements occupy only their release position when the key has been fully, that is inserted into a key position in the keyway.
  • the key shank has a stop which abuts against the key insertion side end face of the cylinder core.
  • the double-acting required confirmation of each two sensing elements can preferably be used to interrogate, for example, the correct presence of a brand protection fürfräsung the key tip.
  • Figure 1 is an exploded view of a lock cylinder according to the invention with a matching key.
  • Fig. 2 is an enlarged exploded view of the cylinder core
  • FIG. 5 is a sectional view along the section line V - V in Figure 3 with not inserted key.
  • FIG. 6 is a sectional view along the section line VI - VI in Figure 3 with not inserted key.
  • FIG. 7 shows a representation according to FIG. 4 with the key inserted; 8 shows a representation according to FIG. 5 with the key inserted, and FIG. 9 shows a representation according to FIG. 6 with the key inserted.
  • 1 shows the cylinder housing 1 without inserted therein cylinder core 2.
  • the cylinder core 2 is rotatably mounted in the mounted state in a bearing bore 3.
  • the exemplary embodiment is a double cylinder with an incision 4 arranged between two bearing bores 3 for receiving a closing member, not shown in the drawings, which is rotatably coupled to the cylinder core 2 in order to lock by turning the cylinder core 2 actuate.
  • tumbler pins each consisting of a core pin and a housing pin, which einfeder spring in pin holes, not shown. The latter interact with breasts cut into the key shank 6 of a key 5 indentations.
  • the cylinder core 2 has a key channel 7 equipped with grooves and ribs for inserting a correspondingly profiled shaft 6 of a
  • the key 5 is to be inserted for proper closing of the lock cylinder to a stop position in which a stop 30 of the key 5 on a counter-stop 31 which is formed from the end face of the cylinder core 2 , is present.
  • the cylinder core 2 has diametrically opposite pockets 22 extending in the extension direction of the cylinder core 2. These pockets 22, which are open to the outer surface of the cylinder core 2, form bearing pockets for a respective blocking member 13.
  • the locking member 13 forms an elongated locking bar 14, the inclined edges 14 'is formed.
  • the inclined flanks 14 ' are in a blocking position of the locking member 13 on inclined flanks 28' of a locking groove 28, which is formed by the Wan PHg the bearing bore 3.
  • On its side opposite the oblique edges protrude from the locking bar 14 from two projections 15, which are located in the region of the respective end of the locking member 13.
  • a compression spring 16 is supported on the bottoms of two recesses 26 arranged between the projections 15. The other ends of the compression springs 16 are inserted into recesses 27, which are formed from the bottom of the bag 22.
  • the springs 16 act on the locking member 13 in the direction of a blocking position in which the locking bar 14 rests in the locking groove 28.
  • each pocket 22 corresponds two further recesses 19 which extend parallel to the pockets 22.
  • bearing bores 20 which extend parallel to each other and extend parallel to the walls of the keyway 7.
  • the bearing bores 20 furthermore extend transversely to the insertion direction of the key, that is to say to the extension direction of the key channel 7.
  • the shafts 11 of Tastgliedern 9 are rotatably mounted.
  • 20 aligned mounting recesses 21 are provided to the bearing holes, through which the heads of the sensing elements 9 pass through when trained by the heads Tastarme 10 are brought into a corresponding rotational position.
  • the shanks 11 project beyond the bearing pocket 22 into extensions of the bearing bores 20 in such a way that radial recesses 12 of the shanks 11 in the region of the Storage bag 22 are.
  • the radial recesses 12 of the shafts 11 except escape position to the projections 15, so that the pros - 15 cracks can not dip into the radial recesses 12.
  • This causes the locking members 13 are held in their locking the rotation of the cylinder core 2 blocking blocking position.
  • the areas next to the radial recesses 12 of the shaft 11 thus form locking edges against which abut against the projections 15 during a rotation test.
  • a central portion of the leaf spring 8 lies in a bearing slot 24, which is located between two recesses 19.
  • the two end sections 8 1 projecting in a Z-shape from the central section 8 "are in contact with straight-running support flanks 23 of the feeler element 9, approximately through the center of rotation.
  • the support flanks 23 are formed by grooves of grooves in the head of the feeler element 9 located on the back of the sensing arm 10.
  • the matching key 5 has a key collar and a key shank 6 protruding from the key bit.
  • the profile ribs 17 run along the key shank 6. In areas that are locally associated with the feeler arms 10 in key shank 6 fully inserted into the keyway 7 the profile ribs 17 recesses 29. The edges of the recesses 29 form obliquely to the insertion of the key 5 in the keyway 7 extending contact edges 18th
  • the feeler arms 10 engage in the depressions 29.
  • the key tip-side recess has only a single wall, which forms a contact edge 18, against which a probe arm 10 is applied.
  • the feeler members 9 receive by conditioning their Tastarme 10 at the respective abutment edge 18 a defined rotational position.
  • FIG. 8 shows that in this rotational position the radial recesses 12 are aligned with the projections 15. If, starting from this position, the cylinder core 2 is rotated slightly by turning the key 5, as shown in FIG. 9, the projections 15 can dip into the radial recesses 12. This is done by sliding together the inclined edges 14 'of the locking bar 14 on the inclined edges 28' of the locking groove 28. In this case, the locking bar 14 is completely shifted out of the locking groove 28.
  • the key 5 can be pulled out of the keyway 7.
  • the spring 8 rotates the sensing members 9 back into the blocking position in which the radial recesses 12 are no longer in alignment with the projections 15.
  • the locking member 13 is brought back into the blocking position, in which the locking bar 14 rests in the locking groove 28.

Landscapes

  • Lock And Its Accessories (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention relates to a lock cylinder comprising: a cylinder core (2) having a key channel (7) for inserting a key (5) which is provided with profiling (18); at least one feeler element (9) which is disposed in the cylinder core (2), is acted on by a spring (8) and is held in a blocking position by the spring (8) when the key (5) is not inserted in the key channel (7); and a blocking element (13) which, when the feeler element (9) is in the blocking position, is held in a blocking position which blocks rotation of the cylinder core (2), it being possible for the feeler element (9) to be shifted against the return force of the spring (8) into a release position by the profiling (18) on the matching key (5) inserted into the key channel (7), in which position the locking element (13) can be deflected into a position releasing the cylinder core (2). In order to enable said lock cylinder to lock more securely, the feeler element (9) comprises a feeler arm (10) for feeling the profiling (18), which feeler arm (10) protrudes radially from a shaft (11) rotatably supported in the cylinder core (2) and which feeler arm (10), when the matching key (5) is inserted, is acted upon such that the shaft (11) rotates about the axis thereof into the release position. The invention further relates to a locking device consisting of a lock cylinder and a matching key.

Description

Schließzylinder mit passendem Schlüssel  Lock cylinder with matching key

Die Erfindung betrifft einen Schließzylinder mit einem einen Schlüsselkanal zum Einschieben eines mit einer Profilierung versehenen Schlüssels aufweisen- den Zylinderkern, mit mindestens einem im Zylinderkern angeordneten, von einer Feder beaufschlagten Tastglied, welches bei nicht in den Schlüsselkanal eingeschobenem Schlüssel von der Feder in einer Blockierstellung gehalten ist, und mit einem Sperrglied, welches von dem sich in der Blockierstellung befindenden Tastglied in einer eine Drehung des Zylinderkernes sperrenden Sperr- Stellung gehalten wird, wobei das Tastglied von der Profilierung des in den Schlüsselkanal eingeschobenen passenden Schlüssels gegen die Rückstellkraft der Feder in eine Freigabestellung steuerbar ist, in welcher das Sperrglied in eine den Zylinderkern entsperrende Stellung ausweichen kann. Die Erfindung betrifft darüber hinaus eine Schließeinrichtung bestehend aus einem Schließzylinder und einem passenden Schlüssel. The invention relates to a lock cylinder having a keyway for inserting a profiled key having the cylinder core, with at least one arranged in the cylinder core, acted upon by a spring sensing member, which held in not inserted into the keyway key of the spring in a blocking position is, and with a locking member which is held by the locking member located in the blocking position in a rotation of the cylinder core blocking position, wherein the sensing member of the profiling of the inserted into the keyway matching key against the restoring force of the spring in a release position is controllable, in which the locking member can escape into a cylinder core unlocking position. The invention also relates to a locking device consisting of a lock cylinder and a matching key.

Ein Schließzylinder mit passendem Schlüssel wird von der DE 30 24 929 beschrieben. Der Schließzylinder besitzt ein Zylindergehäuse, welches eine La- gerbohrung aufweist, in der ein Zylinderkern einliegt, der durch Einschub eines passenden Schlüssels in den Schlüsselkanal des Zylinderkernes gedreht werden kann, um ein beim Einschub des Schlüssels mit dem Zylinderkern gekuppeltes Schließglied zu drehen, mit welchem ein Schloss betätigbar ist. Bei nicht eingeschobenem Schlüssel ist der Zylinderkern von Zuhaltungen drehgesperrt. Eine Vielzahl jeweils einen Gehäusestift und einen Kernstift aufweisender Zuhaltungen liegt in Stiftbohrungen eines Profilabschnittes des Zylindergehäuses, wobei diese Stiftbohrungen mit Kernstiftbohrungen des Zylinderkernes fluchten. Bei nicht eingeschobenem Schlüssel kreuzen die Gehäusestifte die Trennfuge zwischen Zylinderkern und Zylindergehäuse. Im gattungs gemäßen Zylin- derkern befindet sich ein zylinderförmiges Tastglied, welches in Axialrichtung verlagerbar ist. Das Tastglied wird von einer Feder in einer Sperrstellung gehalten, in der es eine Verlagerung eines als Sperrbalken ausgebildeten Blockiergliedes in eine Freigabestellung verhindert. Wird der passende Schlüssel in den Schlüsselkanal eingeschoben, so werden nicht nur die Zuhaltungsstifte derart einsortiert, dass die Gehäusestifte nicht mehr die Trennfuge kreuzen. Beim Ein- schub des passenden Schlüssels wird auch das Tastglied in eine Freigabestellung verlagert. Das Tastglied tastet dabei mit seiner der von der federbeaufschlagten Stirnfläche gegenüberliegenden Stirnfläche eine Profilrippe des Stiftes ab. Bei vollständig eingeschobenem Schlüssel ist das Tastglied in eine derartige Stellung verlagert worden, in welcher das Sperrglied in eine den Zylinder kern entsperrende Stellung ausweichen kann. Der Zylinderkern kann jetzt gedreht werden. A lock cylinder with matching key is described by DE 30 24 929. The lock cylinder has a cylinder housing which has a bearing bore, in which a cylinder core rests, which can be rotated by inserting a matching key in the keyway of the cylinder core to rotate a coupled to the insertion of the key with the cylinder core closure member, with which a lock is actuated. If the key is not inserted, the cylinder core is locked by tumblers. A plurality of tumblers each having a housing pin and a core pin is located in pin bores of a profile section of the cylinder housing, these pin bores being aligned with core pin bores of the cylinder core. When the key is not inserted, the housing pins intersect the parting line between the cylinder core and the cylinder housing. In genus in accordance with the cylinder core is a cylindrical sensing element, which in the axial direction is relocatable. The feeler is held by a spring in a locking position in which it prevents a displacement of a locking bar designed as a blocking member in a release position. If the appropriate key is inserted into the keyway, not only the tumbler pins are sorted in such a way that the housing pins no longer intersect the parting line. When the appropriate key is inserted, the feeler is also moved to a release position. In this case, the feeler member scans a profile rib of the pin with its end face opposite the spring-loaded end face. When fully inserted key, the feeler has been moved to such a position in which the locking member can escape into a cylinder core unlocking position. The cylinder core can now be turned.

Die DE 16 78 096 beschreibt einen Schließzylinder mit einem Zylindergehäuse und einem in einer Bohrung des Zylindergehäuses drehbar gelagerten Zylinderkern. Letzterer besitzt einen Schlüsselkanal, in den ein Schlüssel eingesteckt werden kann. Der Schlüsselschaft des Schlüssels besitzt Einschnitte zum Einsortieren von Kernstiften. Die Kernstifte besitzen dachfirstartig ausgebildete Köpfe, die in schräg verlaufende Kerben des Schlüsselschaftes eintreten können und dadurch eine definierte Drehstellung erhalten. Der eingeschobene passendeDE 16 78 096 describes a lock cylinder with a cylinder housing and a rotatably mounted in a bore of the cylinder housing cylinder core. The latter has a key channel into which a key can be inserted. The key shaft of the key has slots for sorting core pins. The core pins have roof-first trained heads that can enter into oblique grooves of the key shank and thereby obtain a defined rotational position. The inserted appropriate

Schlüssel verleiht den Kernstiften eine derartige Drehstellung, dass Vorsprünge eines Sperrgliedes in Radialaussparungen der Kernstifte eintreten können, so dass das bei nicht eingeschobenem Schlüssel eine Drehsperrung des Zylinderkernes bewirkende Sperrglied radial einwärts in eine die Drehbarkeit des Zy- linderkernes entsperrende Stellung ausweichen kann. Key gives the core pins such a rotational position that projections of a locking member can enter into radial recesses of the core pins, so that when not inserted key a locking of the cylinder core causing locking member can escape radially inwardly into a rotation of the Zy- linderkernes unlocking position.

Die DE 36 09473 Al beschreibt einen Schließzylinder, bei dem der Zylinderkern mittels eines zweiarmigen Sperrhebels drehgesperrt ist, der durch Ein- schub eines passenden Schlüssels in eine entsperrende Stellung schwenkbar ist. Der Hebel wird von einer Druckfeder beaufschlagt und von einem eine Profilierung der Schlüsselbreitseite abtastenden Taststift gesteuert. DE 36 09473 Al describes a lock cylinder in which the cylinder core is locked in rotation by means of a two-armed locking lever, which is pivotable by inserting a suitable key into an unlocking position. The lever is acted upon by a compression spring and controlled by a profiling the Schlüsselbreitseite scanning stylus.

Der Erfindung liegt die Aufgabe zugrunde, die Schließsicherheit eines Schließ- Zylinders zu verbessern. The invention has for its object to improve the locking security of a lock cylinder.

Gelöst wird die Aufgabe durch die in den Ansprüchen angegebene Erfindung. The object is achieved by the invention specified in the claims.

Zunächst und im wesentlichen wird vorgeschlagen, dass das Tastglied einen drehbar im Zylinder kern gelagerten Schaft aufweist. Vorteilhaft sind folgende Eigenschaften: Von diesem Schaft ragt ein Tastarm ab. Der Tastarm tastet die Profilierung des Schlüssels ab. Beim Einschub des passenden Schlüssels gleitet der Tastarm an dem Schlüsselschaft entlang und erhält bei vollständig eingeschobenem Schlüssel eine definierte Drehstellung. Der Tastarm liegt dabei an einer Anlageflanke des Schlüsselschaftes an. Die Position der Anlageflanke definiert die Drehstellung des Schaftes. Der in den Schlüsselkanal vollständig eingeschobene passende Schlüssel verleiht dem Schaft eine derartige Drehstellung, dass das Sperrglied in seine entsperrende Stellung ausweichen kann. Hierzu besitzt das Tastglied eine Aussparung, die bevorzugt auf der vom Tastarm weg weisenden Seite des Schaftes angeordnet ist. In diese Aussparung kann ein Vorsprung des Sperrgliedes eintauchen, wenn die Aussparung mit dem Vorsprung fluchtet. Bei nicht eingeschobenem Schlüssel oder einem nicht schließenden eingeschobenen Schlüssel fluchtet die Aussparung nicht mit dem Vorsprung. Vor dem Vorsprung liegt vielmehr eine Sperrflanke, die ein radiales Auswei- chen des Sperrgliedes verhindert. Die Sperrflanke ist der Aussparung benachbart. Die Aussparung wird vorzugsweise von einer Radialaussparung des Schaftes ausgebildet, deren Umrisskontur nur geringfügig größer ist als die Umrisskontur des zugeordneten Vorsprunges des Sperrgliedes. Eine Verdrehstellung des Schaftes bewirkt somit, dass der Vorsprung nicht in die Radialaus- nehmung eintauchen kann. Die der Radialausnehmung benachbarte Wandung des Schaftes bildet somit die Sperrflanke, die in der Sperrstellung des Tastgliedes vor dem Vorsprung liegt und die das Sperrglied in der Blockierstellung hält. Der Tastarm wird von einem am Ende des Schaftes angeordneten Kopf des Tastgliedes ausgebildet. Dieser Kopf kann auch eine Stützflanke ausbilden, an der sich ein Arm einer Blattfeder abstützt, die das Tastglied in einer Sperrstellung hält bzw. nach einer Verdrehung des Schaftes nach Abzug des Schlüssels wieder in die Sperrstellung zurückverlagert. Der Zylinderkern besitzt radiale Aussparungen. Eine derartige Aussparung bildet eine Tasche, in der das Sperrglied einliegt, welches bevorzugt von einem Sperrbalken ausgebildet ist. Der Sperrbalken besitzt schräg verlaufende Sperrflanken, die in der Blockierstellung des Sperrgliedes an schräg verlaufenden Seitenwandungen einer Sperrnut des Zylindergehäuses anliegen. Wird der Zylinderkern bei sich in Freigabestellung befindenden Tastgliedern gedreht, so können die Sperrflanken aneinander abgleiten, was eine Radialeinwärtsverlagerung des Sperrgliedes zur Folge hat. Dies erfolgt gegen die Rückstellkraft einer Rückstellfeder, die ansonsten das Sperrglied in Richtung der Sperrnut beaufschlagt. Der Sperrbalken besitzt im Bereich jedes seiner beiden Enden einen Vorsprung. Jedem Vorsprung ist ein Tastglied zugeordnet. Bevorzugt besitzt der Zylinderkern zwei sich diametral gegenüberliegende Sperrglieder, denen jeweils ein, bevorzugt zwei Tastglieder zugeordnet sind, so dass mit den Tastarmen der Tastglieder nicht nur das Vorhandensein einer, sondern auch zweier sich gegenüberliegender Rippen des Schlüsselschaftes abgetastet werden können. Jede der sich gegenüberliegenden Profilrippen des Schlüsselschaftes besitzt aber auch Vertiefungen, die Anlageflanken ausbilden. Die Flanken verlaufen schräg zur Einsteckrichtung des Schlüssels, so dass die Tastglieder nur dann ihre Freigabestellung einnehmen, wenn der Schlüssel vollständig, das heißt bis in eine Anschlagstellung in den Schlüsselkanal eingeschoben worden ist. Hierzu besitzt der Schlüsselschaft einen Anschlag, der gegen die schlüsseleinsteckseitige Stirnfläche des Zylinderkernes anschlägt. Die doppelt wirkend erforderliche Bestätigung der jeweils zwei Tastglieder kann bevorzugt genutzt werden, um z.B. das korrekte Vorhandensein einer Markenschutz-Überfräsung der Schlüsselspitze abzufragen. First and essentially it is proposed that the feeler member has a rotatably mounted in the cylinder core shaft. The following properties are advantageous: A probe arm protrudes from this shaft. The probe arm scans the profiling of the key. When inserting the matching key, the probe arm slides along the key shaft and receives a defined rotational position when the key is fully inserted. The probe arm rests against a contact flank of the key shank. The position of the abutment edge defines the rotational position of the shaft. The fully inserted into the keyway matching key gives the shaft such a rotational position that the locking member can escape to its unlocking position. For this purpose, the feeler member has a recess which is preferably arranged on the side facing away from the sensing arm side of the shaft. In this recess, a projection of the locking member can dip when the recess is aligned with the projection. When not inserted key or a non-closing inserted key, the recess is not aligned with the projection. In front of the projection is rather a locking edge, which prevents a radial Auswei- Chen of the locking member. The blocking edge is adjacent to the recess. The recess is preferably formed by a radial recess of the shank whose outline contour is only slightly larger than the outline contour of the associated projection of the locking member. A rotational position of the shaft thus causes the projection can not dive into the Radialaus- perception. The radial recess adjacent wall the shaft thus forms the blocking edge, which lies in the blocking position of the feeler member in front of the projection and which holds the locking member in the blocking position. The probe arm is formed by a arranged at the end of the shaft head of the feeler member. This head can also form a support edge on which an arm of a leaf spring is supported, which holds the feeler member in a blocking position or shifted back to a rotation of the shaft after deduction of the key back into the blocking position. The cylinder core has radial recesses. Such a recess forms a pocket in which the locking member rests, which is preferably formed by a locking bar. The locking bar has obliquely extending locking flanks, which abut in the blocking position of the locking member on obliquely extending side walls of a locking groove of the cylinder housing. If the cylinder core is rotated in the release position located Tastgliedern, so the locking edges can slide off each other, which has a Radialeinwärtsverlagerung the locking member result. This is done against the restoring force of a return spring, which otherwise acts on the locking member in the direction of the locking groove. The locking bar has a projection in the region of each of its two ends. Each projection is assigned a probe. Preferably, the cylinder core has two diametrically opposed locking members, which are each assigned one, preferably two feeler members, so that not only the presence of one, but also two opposing ribs of the key shank can be scanned with the feeler arms of the feeler members. Each of the opposing profile ribs of the key shank but also has depressions that form contact edges. The flanks extend obliquely to the insertion of the key, so that the sensing elements occupy only their release position when the key has been fully, that is inserted into a key position in the keyway. For this purpose, the key shank has a stop which abuts against the key insertion side end face of the cylinder core. The double-acting required confirmation of each two sensing elements can preferably be used to interrogate, for example, the correct presence of a brand protection Überfräsung the key tip.

Durch die präzise Anordnung und Ausbildung der Anlagenflanken für die Sperrgliederarme innerhalb der Bestätigungsrippe ergibt sich ein hoher Schutz gegen Kopierfräsen. The precise arrangement and design of the system edges for the locking member arms within the confirmation rib results in a high protection against copy milling.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand beigefügter Zeichnungen erläutert. Es zeigen: An embodiment of the invention will be explained below with reference to accompanying drawings. Show it:

Fig. 1 eine Explosionsdarstellung eines erfindungsgemäßen Schließzylinders mit passendem Schlüssel; Figure 1 is an exploded view of a lock cylinder according to the invention with a matching key.

Fig. 2 eine vergrößerte Explosionsdarstellung des Zylinderkernes; Fig. 2 is an enlarged exploded view of the cylinder core;

Fig. 3 die Breitseitenansicht eines Schließzylinders, bei dem zur Erläuterung der Erfindung unwesentliche Teile weggelassen sind und in den einFig. 3, the broad side view of a lock cylinder, are omitted in the explanation of the invention unessential parts and in a

Schlüssel eingesteckt ist; Fig. 4 eine Schnittdarstellung gemäß der Linie IV -IV in Figur 3 mit nicht eingestecktem Schlüssel; Key is inserted; 4 is a sectional view along the line IV -IV in Figure 3 with not inserted key.

Fig. 5 eine Schnittdarstellung gemäß der Schnittlinie V - V in Figur 3 mit nicht eingestecktem Schlüssel; 5 is a sectional view along the section line V - V in Figure 3 with not inserted key.

Fig. 6 eine Schnittdarstellung gemäß der Schnittlinie VI - VI in Figur 3 mit nicht eingestecktem Schlüssel; 6 is a sectional view along the section line VI - VI in Figure 3 with not inserted key.

Fig. 7 eine Darstellung gemäß Figur 4 mit eingestecktem Schlüssel; Fig. 8 eine Darstellung gemäß Fig. 5 mit eingestecktem Schlüssel und Fig. 9 eine Darstellung gemäß Figur 6 mit eingestecktem Schlüssel. Die Figur 1 zeigt das Zylindergehäuse 1 ohne darin eingeschobenen Zylinderkern 2. Der Zylinderkern 2 wird in montiertem Zustand in einer Lagerbohrung 3 drehbar gelagert. Beim Ausführungsbeispiel handelt es sich um einen Dop- pelzylinder mit einem zwischen zwei Lagerbohrungen 3 angeordneten Einschnitt 4 zur Aufnahme eines in den Zeichnungen nicht dargestellten Schließ- gliedes, welches mit dem Zy linder kern 2 drehgekuppelt ist, um durch Drehen des Zylinderkernes 2 ein Schloss zu betätigen. 7 shows a representation according to FIG. 4 with the key inserted; 8 shows a representation according to FIG. 5 with the key inserted, and FIG. 9 shows a representation according to FIG. 6 with the key inserted. 1 shows the cylinder housing 1 without inserted therein cylinder core 2. The cylinder core 2 is rotatably mounted in the mounted state in a bearing bore 3. The exemplary embodiment is a double cylinder with an incision 4 arranged between two bearing bores 3 for receiving a closing member, not shown in the drawings, which is rotatably coupled to the cylinder core 2 in order to lock by turning the cylinder core 2 actuate.

In den Zeichnungen sind darüber hinaus die üblichen Zuhaltungsstifte, die jeweils aus einem Kernstift und einem Gehäusestift bestehen, die abgefedert in Stiftbohrungen einliegen, nicht dargestellt. Letztere wirken mit brustseitig in den Schlüsselschaft 6 eines Schlüssels 5 eingeschnittenen Einkerbungen zusammen. In the drawings, moreover, the usual tumbler pins, each consisting of a core pin and a housing pin, which einfeder spring in pin holes, not shown. The latter interact with breasts cut into the key shank 6 of a key 5 indentations.

Der Zylinderkern 2 besitzt einen mit Nuten und Rippen ausgestatteten Schlüs- selkanal 7 zum Einstecken eines entsprechend profilierten Schaftes 6 einesThe cylinder core 2 has a key channel 7 equipped with grooves and ribs for inserting a correspondingly profiled shaft 6 of a

Schlüssels 5. In Einsteckrichtung des Schlüsselschaftes 6 verlaufen Profilrippen 17. Der Schlüssel 5 ist für ein ordnungsgemäßes Schließen des Schließzylinders bis in eine Anschlagstellung einzuschieben, in der ein Anschlag 30 des Schlüssels 5 an einem Gegenanschlag 31, der von der Stirnfläche des Zylinderkernes 2 ausgebildet ist, anliegt. The key 5 is to be inserted for proper closing of the lock cylinder to a stop position in which a stop 30 of the key 5 on a counter-stop 31 which is formed from the end face of the cylinder core 2 , is present.

Wie insbesondere den Figuren 2 und 6 zu entnehmen ist, besitzt der Zylinderkern 2 sich diametral gegenüberliegende, sich in Erstreckungsrichtung des Zylinderkernes 2 erstreckende Taschen 22. Diese, zur Mantelfläche des Zylinder- kernes 2 offenen Taschen 22 bilden Lagertaschen für jeweils ein Sperrglied 13. Das Sperrglied 13 bildet einen langgestreckten Sperrbalken 14 aus, der Schrägflanken 14' ausbildet. Die Schrägflanken 14' liegen in einer Blockierstellung des Sperrgliedes 13 an Schrägflanken 28' einer Sperrnut 28 an, die von der Wan- düng der Lagerbohrung 3 ausgebildet wird. An seiner den Schrägflanken gegenüberliegenden Seite ragen vom Sperrbalken 14 zwei Vorsprünge 15 ab, die sich im Bereich des jeweiligen Endes des Sperrgliedes 13 befinden. As can be seen in particular from FIGS. 2 and 6, the cylinder core 2 has diametrically opposite pockets 22 extending in the extension direction of the cylinder core 2. These pockets 22, which are open to the outer surface of the cylinder core 2, form bearing pockets for a respective blocking member 13. The locking member 13 forms an elongated locking bar 14, the inclined edges 14 'is formed. The inclined flanks 14 'are in a blocking position of the locking member 13 on inclined flanks 28' of a locking groove 28, which is formed by the Wan düng the bearing bore 3. On its side opposite the oblique edges protrude from the locking bar 14 from two projections 15, which are located in the region of the respective end of the locking member 13.

Aus der Figur 5 ist zu entnehmen, dass sich an den Böden zweier zwischen den Vorsprüngen 15 angeordneten Aussparungen 26 jeweils eine Druckfeder 16 abstützt. Die anderen Enden der Druckfedern 16 stecken in Aussparungen 27, die vom Boden der Tasche 22 ausgebildet sind. Die Federn 16 beaufschlagen das Sperrglied 13 in Richtung einer Blockierstellung, in welcher der Sperrbalken 14 in der Sperrnut 28 einliegt. It can be seen from FIG. 5 that in each case a compression spring 16 is supported on the bottoms of two recesses 26 arranged between the projections 15. The other ends of the compression springs 16 are inserted into recesses 27, which are formed from the bottom of the bag 22. The springs 16 act on the locking member 13 in the direction of a blocking position in which the locking bar 14 rests in the locking groove 28.

Zu jeder Tasche 22 korrespondieren zwei weitere Ausnehmungen 19, die sich parallel zu den Taschen 22 erstrecken. In den Wandungen der Ausnehmungen 19 befinden sich Lagerbohrungen 20, die sich parallel zueinander erstrecken und parallel zu den Wandungen des Schlüsselkanals 7 verlaufen. Die Lager- bohrungen 20 verlaufen darüber hinaus quer zur Einsteckrichtung des Schlüssels, also zur Erstreckungsrichtung des Schlüsselkanales 7. To each pocket 22 correspond two further recesses 19 which extend parallel to the pockets 22. In the walls of the recesses 19 are bearing bores 20 which extend parallel to each other and extend parallel to the walls of the keyway 7. The bearing bores 20 furthermore extend transversely to the insertion direction of the key, that is to say to the extension direction of the key channel 7.

In den Lagerbohrungen 20 sind die Schäfte 11 von Tastgliedern 9 drehbar gelagert. Um den Zylinderkern 2 mit den Tastgliedern 9 zu bestücken, sind zu den Lagerbohrungen 20 fluchtende Montageaussparungen 21 vorgesehen, durch welche auch die Köpfe der Tastglieder 9 hindurch passen, wenn von den Köpfen ausgebildete Tastarme 10 in eine entsprechende Drehstellung gebracht sind. In the bearing bores 20, the shafts 11 of Tastgliedern 9 are rotatably mounted. In order to equip the cylinder core 2 with the Tastgliedern 9, 20 aligned mounting recesses 21 are provided to the bearing holes, through which the heads of the sensing elements 9 pass through when trained by the heads Tastarme 10 are brought into a corresponding rotational position.

Die Schäfte 11 ragen bis über die Lagertasche 22 hinaus in Fortsätze der Lager- bohrungen 20 derart, dass Radialaussparungen 12 der Schäfte 11 im Bereich der Lagertasche 22 liegen. Die radial abragenden Tastarme 10 tauchen bei nicht eingestecktem Schlüssel (vergleiche Figur 4) in den Schlüsselkanal 7. Wie aus der Figur 5 zu entnehmen ist, liegen in dieser Position die Radialaussparungen 12 der Schäfte 11 außer Fluchtlage zu den Vorsprüngen 15, so dass die Vor- sprünge 15 nicht in die Radialaussparungen 12 eintauchen können. Dies bewirkt, dass die Sperrglieder 13 in ihrer die Drehbarkeit des Zylinderkernes 2 sperrenden Blockierstellung gehalten sind. Die Bereiche neben den Radialaussparungen 12 des Schaftes 11 bilden somit Sperrflanken, gegen die bei einem Drehversuch die Vorsprünge 15 anschlagen. The shanks 11 project beyond the bearing pocket 22 into extensions of the bearing bores 20 in such a way that radial recesses 12 of the shanks 11 in the region of the Storage bag 22 are. As can be seen from Figure 5, are in this position, the radial recesses 12 of the shafts 11 except escape position to the projections 15, so that the pros - 15 cracks can not dip into the radial recesses 12. This causes the locking members 13 are held in their locking the rotation of the cylinder core 2 blocking blocking position. The areas next to the radial recesses 12 of the shaft 11 thus form locking edges against which abut against the projections 15 during a rotation test.

Die Positionierung der Tastglieder 9 in der Sperrstellung (Figur 4) erfolgt mittels einer Blattfeder 8. Ein mittlerer Abschnitt der Blattfeder 8 liegt dabei in einem Lagerschlitz 24, der sich zwischen zwei Ausnehmungen 19 befindet. Die beiden Z-förmig vom mittleren Abschnitt 8" abragenden Endabschnitte 81 lie- gen an etwa durch das Drehzentrum gehenden gradlinig verlaufenden Stützflanken 23 des Tastgliedes 9 an. Die Stützflanken 23 werden von den Böden von Nuten ausgebildet, die sich im Kopf des Tastgliedes 9 auf der Rückseite des Tastarmes 10 befinden. Die Funktionsweise des Schließzylinders ist die folgende: The positioning of the sensing elements 9 in the blocking position (Figure 4) by means of a leaf spring 8. A central portion of the leaf spring 8 lies in a bearing slot 24, which is located between two recesses 19. The two end sections 8 1 projecting in a Z-shape from the central section 8 "are in contact with straight-running support flanks 23 of the feeler element 9, approximately through the center of rotation. The support flanks 23 are formed by grooves of grooves in the head of the feeler element 9 located on the back of the sensing arm 10. The operation of the locking cylinder is the following:

Bei nicht eingeschobenem Schlüssel (vergleiche Figuren 4 bis 6) ragen die Tastarme 10 der insgesamt vier Tastglieder 9 in den Schlüsselkanal. Der Abstand zweier sich gegenüberliegender Tastarme 10 ist geringer als der Abstand zweier dortiger Rippen 17 eines Schlüsselschaftes 6. Die Radialaussparung 12 eines jeden Schaftes 11 liegt außer Fluchtlage zum zugeordneten Vorsprung 15 des Sperrgliedes 13, so dass sich das Sperrglied 13 nicht aus der in Figur 6 dargestellten Blockierstellung verlagern kann, wenn der Zylinderkern 2 gedreht wird. Der passende Schlüssel 5 besitzt eine Schlüsselreide und einen von der Schlüs- selreide abragenden Schlüsselschaft 6. Entlang des Schlüsselschaftes 6 verlaufen die Profilrippen 17. In Bereichen, die bei vollständig in den Schlüsselkanal 7 eingeschobenem Schlüsselschaft 6 den Tastarmen 10 lokal zugeordnet sind, be- sitzen die Profilrippen 17 Vertiefungen 29. Die Ränder der Vertiefungen 29 bilden schräg zur Einsteckrichtung des Schlüssels 5 in den Schlüsselkanal 7 verlaufende Anlageflanken 18. When not inserted key (see Figures 4 to 6) protrude the probe arms 10 of the total of four sensing elements 9 in the keyway. The radial distance 12 of each shaft 11 is out of alignment with the associated projection 15 of the locking member 13, so that the locking member 13 is not from the in FIG shown blocking position can shift when the cylinder core 2 is rotated. The matching key 5 has a key collar and a key shank 6 protruding from the key bit. The profile ribs 17 run along the key shank 6. In areas that are locally associated with the feeler arms 10 in key shank 6 fully inserted into the keyway 7 the profile ribs 17 recesses 29. The edges of the recesses 29 form obliquely to the insertion of the key 5 in the keyway 7 extending contact edges 18th

Ist der passende Schlüssel vollständig in den Zylinderkern 2 eingeschoben, wie es die Figuren 6 und 8 zeigen, so greifen die Tastarme 10 in die Vertiefungen 29 ein. Die schlüsselspitzenseitige Vertiefung besitzt nur eine einzige Wandung, die eine Anlageflanke 18 ausbildet, an der ein Tastarm 10 anliegt. In der vollständig eingeschobenen Schlüsselstellung, in der der Anschlag 30 am Gegenanschlag 31 liegt, erhalten die Tastglieder 9 durch Anlage ihrer Tastarme 10 an der jeweiligen Anlageflanke 18 eine definierte Drehstellung. If the matching key is completely inserted into the cylinder core 2, as shown in FIGS. 6 and 8, the feeler arms 10 engage in the depressions 29. The key tip-side recess has only a single wall, which forms a contact edge 18, against which a probe arm 10 is applied. In the fully inserted key position, in which the stop 30 is located on the counter-stop 31, the feeler members 9 receive by conditioning their Tastarme 10 at the respective abutment edge 18 a defined rotational position.

Die Figur 8 zeigt, dass in dieser Drehstellung die Radialaussparungen 12 mit den Vorsprüngen 15 fluchten. Wird ausgehend aus dieser Stellung der Zylinderkern 2 durch Drehen des Schlüssels 5 geringfügig gedreht, wie es die Figur 9 zeigt, so können die Vorsprünge 15 in die Radialaussparungen 12 eintauchen. Dies erfolgt durch aneinander Abgleiten der Schrägflanken 14' des Sperrbalkens 14 an den Schrägflanken 28' der Sperrnut 28. Dabei wird der Sperrbalken 14 vollständig aus der Sperrnut 28 herausverlagert. FIG. 8 shows that in this rotational position the radial recesses 12 are aligned with the projections 15. If, starting from this position, the cylinder core 2 is rotated slightly by turning the key 5, as shown in FIG. 9, the projections 15 can dip into the radial recesses 12. This is done by sliding together the inclined edges 14 'of the locking bar 14 on the inclined edges 28' of the locking groove 28. In this case, the locking bar 14 is completely shifted out of the locking groove 28.

Wird der Zylinderkern 2 wieder zurück in eine Schlüsselabzugsstellung gebracht, so kann der Schlüssel 5 aus dem Schlüsselkanal 7 herausgezogen werden. Die Feder 8 dreht die Tastglieder 9 zurück in die Sperrstellung, in der die Radialaussparungen 12 nicht mehr in Fluchtlage zu den Vorsprüngen 15 liegen. Mit den Druckfedern 16 wird das Sperrglied 13 zurück in die Blockierstellung gebracht, in der der Sperrbalken 14 in der Sperrnut 28 einliegt. If the cylinder core 2 brought back into a key withdrawal position, the key 5 can be pulled out of the keyway 7. The spring 8 rotates the sensing members 9 back into the blocking position in which the radial recesses 12 are no longer in alignment with the projections 15. With the compression springs 16, the locking member 13 is brought back into the blocking position, in which the locking bar 14 rests in the locking groove 28.

Ein Schlüssel ohne Vertiefungen 29, aber mit einem Rippenprofil, welches dem Querschnittsprofil des Schlüsselkanales 7 entspricht, kann zwar in den Schlüsselkanal 7 eingeschoben werden. Besitzt dieser Schlüssel auch die richtigen brustseitigen Einkerbungen, so werden mit diesem Schlüssel auch die nicht dargestellten Stiftzuhaltungen in eine Öffnungsstellung gebracht. Die Tastglieder 9 werden aber über ihre Freigabestellung hinaus gedreht, so dass die Radi- alaussparungen 12 nicht mit den ihnen zugeordneten Vorsprüngen des Sperrbalkens 14 fluchten. Den Vorsprüngen 15 des Sperrbalkens liegen vielmehr von den Rändern der Radialaussparungen 12 ausgebildete Sperrflanken gegenüber, die eine Verlagerung des Sperrbalkens 14 in seine Freigabestellung verhindern. Mit den Tastgliedern können nicht nur Ausnehmungen in der Schlüsselbreitseite, also insbesondere die zuvor erörterten Ausnehmungen in einer Schlüsselrippe abgetastet werden. Im einfachsten Fall kann mit einem der zuvor beschriebenen Tastglieder auch das Vorhandensein einer Rippe mit einer bestimmten Rippenhöhe abgetastet werden. Eine Rippe, die eine ungenügende Rippenhöhe hat, ist nicht in der Lage, das Tastglied in die Freigabestellung zu drehen. Eine höhere Rippe dreht das Tastglied über die Freigabestellung hinaus. A key without recesses 29, but with a rib profile, which corresponds to the cross-sectional profile of the key channel 7, although can be inserted into the keyway 7. If this key also has the correct breast-side indentations, the pin tumblers, not shown, are brought into an open position with this key. However, the feeler members 9 are rotated beyond their release position, so that the radial recesses 12 are not aligned with their associated projections of the locking bar 14. The projections 15 of the locking bar are rather opposed by the edges of the radial recesses 12 formed locking edges, which prevent a displacement of the locking bar 14 in its release position. Not only recesses in the key broadside, that is to say in particular the previously discussed recesses in a key rib, can be scanned with the feeler elements. In the simplest case, one of the probing elements described above can also be used to scan the presence of a rib with a specific rib height. A rib having an insufficient rib height will not be able to turn the feeler into the release position. A higher rib rotates the feeler over the release position.

Alle offenbarten Merkmale sind (für sich) erfindungswesentlich. In die Offen- barung der Anmeldung wird hiermit auch der Offenbarungsinhalt der zugehörigen/beigefügten Prioritätsunterlagen (Abschrift der Voranmeldung) vollinhaltlich mit einbezogen, auch zu dem Zweck, Merkmale dieser Unterlagen in Ansprüche vorliegender Anmeldung mit aufzunehmen. Die Unteransprüche charakterisieren in ihrer fakultativ nebengeordneten Fassung eigenständige erfinderische Weiterbildung des Standes der Technik, insbesondere um auf Basis dieser Ansprüche Teilanmeldungen vorzunehmen. All disclosed features are essential to the invention. The disclosure content of the associated / attached priority documents (copy of the prior application) is hereby also incorporated in full in the disclosure of the application, also for the purpose of including features of these documents in claims of the present application. The subordinate claims characterize in their optional sibling independent An inventive development of the prior art, in particular to make on the basis of these claims divisional applications.

Claims

ANSPRÜCHE 1. Schließzylinder mit einem einen Schlüsselkanal (7) zum Einschieben eines mit einer Profilierung (18) versehenen Schlüssels (5) aufweisenden Zylin- derkern (2), mit mindestens einem im Zylinderkern (2) angeordneten, von einer Feder (8) beaufschlagten Tastglied (9), welches bei nicht in den Schlüsselkanal (7) eingeschobenem Schlüssel (5) von der Feder (8) in einer Blockierstellung gehalten ist, und mit einem Sperrglied (10), welches von dem sich in der Blockierstellung befindenden Tastglied (9) in einer eine Drehung des Zy linder kernes (2) sperrenden Sperr Stellung gehalten wird, wobei das Tastglied (9) von der Profilierung (18) des in den Schlüsselkanal (7) eingeschobenen passenden Schlüssels (5) gegen die Rückstellkraft der Feder (8) in eine Freigabestellung steuerbar ist, in welcher das Sperrglied (13) in eine den Zylinderkern (2) entsperrende Stellung ausweichen kann, dadurch gekennzeichnet, dass das Tastglied (9) einen von einem drehbar im Zylinderkern (2) gelagerten Schaft (11) radial abragenden Tastarm (10) zum Abtasten der Profilierung (18) aufweist, der beim Einschub des passenden Schlüssels (5) derart beaufschlagt wird, dass sich der Schaft (11) um seine Achse in die Freigabestellung dreht. 1. lock cylinder with a key channel (7) for inserting a profiling (18) provided with key (5) having cylinder derkern (2), arranged with at least one in the cylinder core (2), acted upon by a spring (8) Tastglied (9) which is held in a blocking position by the spring (8) when the key (5) is not pushed into the key channel (7), and by a locking member (10) which is located in the blocking position (9). in a rotation of Zy linder kernes (2) locking position is held, wherein the feeler member (9) of the profiling (18) in the keyway (7) inserted matching key (5) against the restoring force of the spring (8) can be controlled in a release position, in which the locking member (13) can escape in a the cylinder core (2) unlocking position, characterized in that the feeler member (9) one of a rotatably in the cylinder core (2) mounted Sch aft (11) radially projecting sensing arm (10) for scanning the profiling (18) which is acted upon insertion of the matching key (5) such that the shaft (11) rotates about its axis in the release position. 2. Schließzylinder nach Anspruch 1 oder insbesondere danach, gekennzeichnet durch eine insbesondere auf der vom Tastarm (10) weg weisenden Seite des Tastgliedes (9) angeordnete Aussparung (12), in die in der Freigabestellung ein Vorsprung (15) des Sperrgliedes (13) eintauchen kann, und der eine Sperrflanke benachbart liegt, die in der Sperrstellung vor dem Vorsprung (15) liegt. 2. Lock cylinder according to claim 1 or in particular according thereto, characterized by a recess (12) arranged in particular on the side of the feeler element (9) pointing away from the feeler arm (10), into which in the release position a projection (15) of the lock member (13) can dive, and is adjacent to a locking edge, which lies in the blocking position in front of the projection (15). 3. Schließzylinder nach einem oder mehreren der vorangehenden Ansprüche oder insbesondere danach, dadurch gekennzeichnet, dass das Tastglied (9) einen den Tastarm (10) ausbildenden Kopf am Ende des als Drehlager wirkenden Schaftes (11) aufweist. 3. Lock cylinder according to one or more of the preceding claims or in particular according thereto, characterized in that the feeler member (9) has a sensing arm (10) forming head at the end of the pivot bearing having acting shaft (11). 4. Schließzylinder nach einem oder mehreren der vorangehenden Ansprüche oder insbesondere danach, dadurch gekennzeichnet, dass die Aussparung (12) als Radialausnehmung des Schaftes (11) und die Sperrflanke von der4. lock cylinder according to one or more of the preceding claims or in particular according thereto, characterized in that the recess (12) as a radial recess of the shank (11) and the locking edge of the Wandung des Schaftes (11) gebildet ist. Wall of the shaft (11) is formed. 5. Schließzylinder nach einem oder mehreren der vorangehenden Ansprüche oder insbesondere danach, dadurch gekennzeichnet, dass die Richtung der Drehachse des Schaftes (11) quer zur Erstreckungsrichtung des Schaftes (6) des Schlüssels (5) und parallel zu dessen Breitseitenebene verläuft. 5. Lock cylinder according to one or more of the preceding claims or in particular according thereto, characterized in that the direction of the axis of rotation of the shank (11) extends transversely to the extension direction of the shank (6) of the key (5) and parallel to its broad side plane. 6. Schließzylinder nach einem oder mehreren der vorangehenden Ansprüche oder insbesondere danach, dadurch gekennzeichnet, dass das Sperrglied (13) ein sich in Schlüsseleinsteckrichtung erstreckender, in einer Tasche6. Lock cylinder according to one or more of the preceding claims or in particular according thereto, characterized in that the locking member (13) extending in Schlüsseleinsteckrichtung, in a pocket (22) des Zylinderkernes (2) einliegender Sperrbalken (14) ist, der im Bereich seiner Enden jeweils einen Vorsprung (15) aufweist, der jeweils mit einem Tastglied (9) zusammenwirkt. (22) of the cylinder core (2) engaging the locking bar (14) which has in the region of its ends in each case a projection (15) which cooperates with a respective contact member (9). 7. Schließzylinder nach einem oder mehreren der vorangehenden Ansprüche oder insbesondere danach, gekennzeichnet durch zwei sich im wesentlichen gegenüberliegende Sperrglieder (13), die jeweils mit mindestens einem, bevorzugt zwei Tastgliedern (9) zusammenwirken. 7. Lock cylinder according to one or more of the preceding claims or in particular according thereto, characterized by two substantially mutually opposite locking members (13), each cooperating with at least one, preferably two feeler members (9). 8. Schließeinrichtung mit einem Schließzylinder gemäß einem oder mehreren der vorangehenden Ansprüche oder insbesondere danach, gekennzeichnet durch einen passenden Schlüssel (5), der auf der Breitseite seines Schlüsselschaftes (6) eine Rippe (17) aufweist, die vom Tastarm (10) beim Einschub des Schlüsselschaftes (6) in den Schlüsselkanal (7) abgetastet wird. 8. Locking device with a lock cylinder according to one or more of the preceding claims or in particular according thereto, characterized by a matching key (5) on the broad side of its key shank (6) has a rib (17) of the sensing arm (10) during insertion the key shaft (6) in the key channel (7) sampled becomes. 9. Schließeinrichtung nach Anspruch 8 oder insbesondere danach, dadurch gekennzeichnet, dass die Profilierung von einer quer oder schräg zur Ein- schubrichtung verlaufenden Anlagefläche ausgebildet ist, an der der Tastarm (10) bei vollständig in den Schlüsselkanal (7) eingeschobenem Schlüssel (5) anliegt. 9. Locking device according to claim 8 or in particular according thereto, characterized in that the profiling is formed by a transversely or obliquely to the insertion direction extending contact surface on which the probe arm (10) in fully inserted into the keyway (7) key (5) is applied. 10. Schließeinrichtung nach einem oder mehreren der vorangehenden An- sprüche oder insbesondere danach, dadurch gekennzeichnet, dass die Anlageflanke (18) eine Wandung einer Vertiefung (29) insbesondere einer Rippe (17) des Schlüsselschaftes (6) ist. 10. Closing device according to one or more of the preceding claims or in particular according thereto, characterized in that the abutment edge (18) is a wall of a recess (29), in particular a rib (17) of the key shank (6).
EP10727430.0A 2009-07-07 2010-07-01 Lock cylinder and matching key Active EP2452030B9 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910026117 DE102009026117B4 (en) 2009-07-07 2009-07-07 Lock cylinder with matching key
PCT/EP2010/059337 WO2011003798A1 (en) 2009-07-07 2010-07-01 Lock cylinder and matching key

Publications (3)

Publication Number Publication Date
EP2452030A1 true EP2452030A1 (en) 2012-05-16
EP2452030B1 EP2452030B1 (en) 2015-12-02
EP2452030B9 EP2452030B9 (en) 2016-03-23

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ID=42727631

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EP10727430.0A Active EP2452030B9 (en) 2009-07-07 2010-07-01 Lock cylinder and matching key

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US (1) US8327675B2 (en)
EP (1) EP2452030B9 (en)
CA (1) CA2767136C (en)
DE (1) DE102009026117B4 (en)
WO (1) WO2011003798A1 (en)

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Also Published As

Publication number Publication date
DE102009026117B4 (en) 2015-01-22
US8327675B2 (en) 2012-12-11
EP2452030B9 (en) 2016-03-23
US20120118032A1 (en) 2012-05-17
DE102009026117A1 (en) 2011-01-13
CA2767136C (en) 2017-09-19
WO2011003798A1 (en) 2011-01-13
EP2452030B1 (en) 2015-12-02
CA2767136A1 (en) 2011-01-13

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