EP1242705B1 - Tool for releasing a locking cylinder - Google Patents

Tool for releasing a locking cylinder Download PDF

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Publication number
EP1242705B1
EP1242705B1 EP01945210A EP01945210A EP1242705B1 EP 1242705 B1 EP1242705 B1 EP 1242705B1 EP 01945210 A EP01945210 A EP 01945210A EP 01945210 A EP01945210 A EP 01945210A EP 1242705 B1 EP1242705 B1 EP 1242705B1
Authority
EP
European Patent Office
Prior art keywords
tool according
locking
probe
rotational
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.)
Expired - Lifetime
Application number
EP01945210A
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German (de)
French (fr)
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EP1242705A1 (en
Inventor
Adalbert Wendt
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Individual
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Individual
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Publication of EP1242705A1 publication Critical patent/EP1242705A1/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00Keys; Accessories therefor
    • E05B19/20Skeleton keys; Devices for picking locks; Other devices for similar purposes ; Means to open locks not otherwise provided for, e.g. lock pullers
    • 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
    • Y10T70/7797Picking
    • 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
    • Y10T70/7802Multi-part structures
    • 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
    • Y10T70/7802Multi-part structures
    • Y10T70/7814With extensible shank or stem
    • 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
    • Y10T70/7842Single shank or stem
    • Y10T70/7859Flat rigid

Definitions

  • So-called electropickers are also known, in which one Slat is inserted into the key channel, which is via a electromotive drive in the level of the key channel is moved back and forth at high frequency so that with simultaneous application of a torque to the Lock cylinder in the opening direction, like a hand-held one Picker, the tumbler pins in through the cylinder circumference defined opening level should be spent.
  • This The device is only partially non-destructive because of the hitting steel lamella the key channel is damaged.
  • Both the handheld picker and the electric picker are not suitable for so-called track keys for Lock cylinder with tumblers in the form of disks individually against the force of a return spring across Cylinder axis can be moved in their open position have to.
  • DE 198 22 079 C discloses a locking device for locking cylinders known in the case of a fixed holding tube with an axial groove a tubular rotating body with an axial Slot is arranged.
  • the tumbler is shaped like a rod loose locking body formed in the groove and the Slot is stored.
  • In the rotating body are close together circular support disks arranged with their Edge the rod-shaped locking body in the groove of the fixed one Holding the holding tube and the slot of the rotating body, that these are positively locked together.
  • the Support disks have a rectangular center recess, a key channel in the sequence of the support disks form.
  • the support disks also have different Allocation to the respective center recesses an edge recess on.
  • the edge recesses are not in a row and the Locking body is held in its locked position. It is only possible to use the correct key to the support disks simultaneously relative to each other and different to twist so that the edge recesses in line positioned one behind the other and under the slot of the rotating body become. The locking body is then from the slot in the rotating body and the edge recesses of the support disks with his Cross section fully included and the interlock between fixed support tube and the rotating body, so that with a locking lug for the lock mechanism provided rotating body can be turned using the key can.
  • Such a tool is used as an unlocking aid for locking cylinders with locking bodies that can be moved transversely to its axis of rotation not applicable at all.
  • the invention has for its object a tool for to create non-destructive unlocking of a locking cylinder that as tumblers a variety of spring-loaded, Locking body displaceable transversely to the axis of rotation of the locking cylinder having.
  • an unlocking tool a locking cylinder with the features of claim 1.
  • the Advantage of the tool according to the invention is that the probe element by its to the cross-sectional contour of the Key channel adapted cross-sectional contour practically like a key is guided in the key channel, so that at one Movement of the probe body in the axial direction of the locking cylinder the locking body transversely against the force of the return spring in their neutral position, d. H. with their free ends in brought the circumferential plane of the rotatable part of the lock cylinder can be.
  • the probe body the locking element in the direction of movement of the opening lock cylinder extends.
  • the amount of effective part of the probe corresponds to the height of the locking body of the opening cylinder with the maximum lifting height.
  • the probe body is arranged at the free end of the probe element. This allows the probe element to be completely in the Insert the key channel, then the rotary part apply the required torque and then sensitively withdraw the feeler element via the slide part, if necessary under multiple short-stroke back and forth pushing from the Pull out the key channel and in doing so the locking body position in their open position.
  • the probe body is rigidly connected to the probe element be as appropriate for example for railway keys is.
  • the probe body transverse to the sliding direction of the probe element and in the direction of movement the locking body is movably supported and over a support spring is supported.
  • a support spring is supported.
  • Such a configuration is suitable for locking cylinders with so-called pin tumblers.
  • the spring stiffness of the support spring must be somewhat be greater than the usual spring stiffness of the return springs the pin-shaped locking body.
  • the probe body by a profiled resilient wire element is formed, which is axially displaceable on the slide part is led.
  • the probe element remains in the key channel and also serves as a turned part, while the sliding movement only over the Wire element takes place.
  • the probe body can in this embodiment formed by bending the wire at the end his.
  • the probe body made of wire largely leaves run supported in the probe element.
  • the touch element with play with Slider part is connected. This results in a certain Decoupling between the rotating part to be regarded as a unit and slide part, so that by applying the torque no constraints on the hand-guided turned part the feeler element can be exercised and this therefore without constraint and in a way self-adjusting in the key channel can be performed.
  • the advantage here is that the probe element due to its adapted to the key channel Cross-sectional contour practically guided like a key is.
  • the slide part on the rotating part by a small amount around the axis of rotation of the Rotatable part is pivotable. Otherwise, the probe element however positively connected to the slide part.
  • the tool shown in Fig. 1 for unlocking a Lock cylinder has a rotating part 1, which is essentially from a tubular extension 2 with an end grip element 3 exists.
  • a slide part 4 guided longitudinally, on its cylinder-side End 5 is connected to a sensing element 6.
  • the probe element has a cross-sectional contour that at least over a portion of the cross-sectional contour of the key channel of the locking cylinder to be unlocked.
  • the exemplary embodiment shown here is the touch element 6 trained so that lock cylinder for web key with Disc tumblers can be unlocked.
  • the Touch element 6 is here on its two flat sides with a groove-shaped cutout 7 provided on the two Narrow sides are limited by webs 8.
  • the height a corresponds about the height of the associated key
  • the Dikke corresponds approximately to the feeler element in the area of the webs 8 the thickness of the key.
  • the sensing element 6 is triangular Probe bodies 9 provided with respect to the thickness of the Tactile element are arranged offset from each other and their effective height b - measured from one long side - corresponds to the height of the locking element with the maximum lifting height.
  • the tubular extension 2 has at its cylinder end two in the key channel of the locking cylinder to be unlocked insertable driver lugs 10, the thickness of which is approximately corresponds to the thickness of the sensing element 6.
  • the probe element 6.1 over part of its height, namely that of the tumblers turned away edge of its height, partly the cross-sectional contour of the key channel.
  • This spring steel bracket is included its spring hardness adjusted so that its compliance is less than the resilience of the springs supported Tumblers. The method of operation is the same as described with reference to FIG. 1.
  • Fig. 3 shows schematically in a section acc. the line III-III in Fig. 2 shows an exemplary cross section through the Probe element and shows that it is with its cross section is adapted to a cross section of a key channel. For different key channel shapes must be adapted accordingly Touch elements are used.
  • the probe body 9.1 can also be relative to the probe element Slidable, spring-supported probe body be used.
  • Fig. 4 shows a modified embodiment of Fig. 2, at the on a probe element 6.2, for example, a cross-sectional contour 3, as shown in FIG. a wire element is mounted for longitudinal displacement, which in turn is shaped like a probe at its end like a bow.
  • the probe element can be used directly be connected to a grip element, which together with the wire element 9.2 is introduced into the key channel and in this is subjected to a torque. Then it will Wire element 9.2 slowly withdrawn, so that after a unlocking moving the tumbler pins over the bow-like shaped probe body 9.2 using the probe element 6.2 the now unlocked locking cylinder in the open position of the associated lock can be rotated.
  • the tool with interchangeable probe elements 6 is, for example, via a screw 12 with the slide part 4 can be connected.
  • the connection is expedient designed so that between the sensing element 6 and the Slider part 4 is a certain game, which is low Pivotal movement about the axis of the screw 12 and transversely guaranteed to so the sensing element 6 against the Slider part 4 to give a certain mobility.
  • the Slider part 4 is mounted in the rotating part 1 so that it is not is only longitudinally displaceable in the direction of arrow 11, but there is also some play in the direction of rotation of the rotating part 1 is, here too, constraints between the probe element 6 and the slide part or the rotating part to be avoided. Furthermore are rotating part 1 and slide part 4 form-fitting with each other connected.
  • FIG. 5 the embodiment is gem.
  • the torque generator 13 is in the essentially formed by a handling part 15 in which the rotating part 2 is rotatably supported. Handling part 15 and Rotating part 2 are via a spring element 16, for example a Clock spring connected together.
  • the latch 14, shown only schematically, has a Handling part 15 stored locking element 17, which on Head 3.1 of the rotating part 2 several notches 18.0, 18.1 and 18.2 are assigned (Fig. 6).
  • the spring element 16 is untensioned.
  • the tool can be handled via the holding element 15, as for the embodiment acc. Fig. 1 described.
  • it is useful if the locking element 17th twisted on the handling part 15 is arranged so that a unintended triggering of the torque amplifier during a Actuation of the pushbutton is not possible. This can for example by axially acting, only from the front forth actuatable locking elements are realized, the Notches 18 are to be adjusted accordingly.
  • the spring element 16 by rotating the handling part 15 biased against the rotating part 2 and in the by Notches 18.1 or 18.2 are locked in the predetermined end position, see above that the torque generator 13 is biased.
  • the lock with the detent 18.1 causes a bias to generate a torque in the opening direction and locking with the detent 18.2 corresponding to a torque in the closing direction.
  • the angular position of the catches 18.1 and 18.2 with respect to the Detent 18.0 which is 90 degrees here, can vary depending on requirements be chosen differently. It can also be useful be, for each direction of rotation several notches 18.1 or 18.2 in to provide different angular positions to the catch 18.0, by different turning paths on the locking cylinder to be opened to be able to muster.
  • the tool is again, as described with reference to FIG. 1, handled to adjust the locking body of the lock cylinder.
  • the necessary "clamping force” is applied to the individual locking bodies in their through the feeler 9th adjusted open position held.
  • the lock 14 solved so that the rotating part 2 in the by Preload of the spring element 16 predetermined direction of rotation rotates and thereby inserted into the key channel Noses 10 with high rotational speed, practically suddenly twisted.
  • the cross section of this can be the corresponding one Key corresponding touch element also completely in the key channel be inserted and the rotary movement unhter labn.
  • the handling part 15 must be done by hand held and if necessary by an additional support on the the door to be opened cannot be rotated, for this purpose usually a hand support on a door handle is sufficient the door to be opened.

Landscapes

  • Lock And Its Accessories (AREA)
  • Measuring Leads Or Probes (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Gripping On Spindles (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

A tool for unlocking a locking cylinder, with a tumbler consisting of a plurality of spring-loaded locking bodes that can be displaced crosswise to the rotational axis of the locking cylinder. The tool comprises a rotating part ( 1 ) provided with two driver noses ( 10 ) on its cylinder side end, which can be inserted into the keyway. The tool furthermore comprises a sliding part ( 4 ) that is positioned such that it is connected form-locking to the rotating part 91 ) in the rotating direction and axially movable in the axial direction and has a flat sensing element ( 6 ) on the cylinder-side end that can be inserted into the keyway. The cross-sectional profile of the sensing element corresponds at least in some sections to the cross-sectional profile of the keyway, wherein at least one sensing body ( 9 ) for displacing the locking body inside the locking cylinder is assigned to the sensing element.

Description

Türen an Gebäuden, insbesondere aber auch Türen an Kraftfahrzeugen sind heute mit Sicherheitsschlössern versehen, d. h. die Schlösser weisen sogenannte Schließzylinder auf, die eine Betätigung des Schließriegels nur mit Hilfe besonderer Schlüssel gestatten. Um sich in Notfällen Zugang zu einem Raum zu verschaffen, dessen Tür mit einem derartigen Sicherheitsschloß versehen ist, war dies bisher nur unter Zerstörung des Schlosses, beispielsweise durch gewaltsames Ziehen des Schließzylinders mit Hilfe einer Ausziehvorrichtung möglich, wie sie aus DE-U-87 08 961.0 sowie DE-U-87 16 770 bekannt ist. Je nach Qualität des Schlosses ist ein entsprechender Zeitaufwand notwendig. Immer aber wird das Schloß zerstört, so daß ein neuer Schließzylinder eingesetzt werden muß. Da sowohl bei Wohnungen als auch bei Kraftfahrzeugen inzwischen alle Schlösser als sogenannte Schließanlage gestaltet sind, d. h. daß mit mindestens einem Schlüssel alle Schlösser betätigt werden können, müssen in der Regel bei Zerstörung eines Schließzylinders die anderen Schließzylinder ebenfalls ausgewechselt werden.Doors on buildings, but especially doors on motor vehicles are equipped with security locks today, d. H. the locks have so-called lock cylinders, one Actuation of the locking bolt only with the help of special Allow keys. To gain access to an emergency To create space, the door with such a security lock provided, this was previously only under destruction the lock, for example by pulling it violently the locking cylinder possible with the help of a pull-out device, as known from DE-U-87 08 961.0 and DE-U-87 16 770 is. Depending on the quality of the lock, there is a corresponding one Time required. But the castle always becomes destroyed so that a new lock cylinder can be used got to. Since both in apartments and in motor vehicles all locks designed as a so-called locking system are, d. H. that with at least one key all Locks that can be actuated usually have to Destruction of one locking cylinder affects the other locking cylinders can also be replaced.

Zum zerstörungsfreien Entsperren von Schlössern mit Schließzylindern, die mit Stiftzuhaltungen versehen sind, sind sogenannte Picker bekannt. Bei diesen wird eine mit Vorsprüngen versehene Stahllamelle in den Schlüsselkanal eingeführt und unter gleichzeitigem Aufbringen eines Drehmomentes durch ein zusätzliches Hebelwerkzeug in Öffnungsrichtung versucht, mit Hilfe dieser Lamelle die einzelnen Stifte gegen die Kraft einer Rückstellfeder mit ihren freien Enden in die Schließebene zu drücken und über das Hebelwerkzeug jeweils in dieser Position zu halten, bis alle Stifte in Offenstellung positioniert sind und der Schließzylinder über das Hebelwerkzeug gedreht werden kann. Auch diese Arbeitsweise ist sehr zeitaufwendig und führt praktisch nur bei Schlössern, die schon lange in Gebrauch sind und deren Zuhaltestifte einen entsprechenden Verschleiß aufweisen, zum Erfolg.For non-destructive unlocking of locks with locking cylinders, which are provided with pin tumblers are so-called Known picker. With these, one with protrusions provided steel lamella in the key channel and with simultaneous application of a torque by tried with additional lever tool in the opening direction With the help of this slat the individual pins against the force of one Return spring with its free ends in the closing level to press and the lever tool in this position hold until all pins are positioned in the open position are and the locking cylinder is rotated via the lever tool can be. This way of working is also very time-consuming and practically only leads to locks that have long been in Are use and the tumbler a corresponding Show wear, to success.

Ferner sind sogenannte Elektropicker bekannt, bei denen eine Lamelle in den Schlüsselkanal eingeführt wird, die über einen elektromotorischen Antrieb in der Ebene des Schlüsselkanals mit hoher Frequenz hin- und herschlagend bewegt wird, so daß bei gleichzeitiger Aufbringung eines Drehmomentes auf den Schließzylinder in Öffnungsrichtung, wie bei einem handgeführten Picker, die Zuhaltestifte in die durch den Zylinderumfang definierte Öffnungsebene verbracht werden sollen. Diese Vorrichtung ist nur begrenzt zerstörungsfrei, da durch die schlagende Stahllamelle der Schlüsselkanal beschädigt wird. Sowohl der handgeführte Picker als auch der Elektropicker sind nicht geeignet für sogenannte Bahnenschlüssel für Schließzylinder mit Zuhaltungen in Form von Scheiben, die einzeln gegen die Kraft jeweils einer Rückstellfeder quer zur Zylinderachse in ihrer Öffnungsstellung verschoben werden müssen.So-called electropickers are also known, in which one Slat is inserted into the key channel, which is via a electromotive drive in the level of the key channel is moved back and forth at high frequency so that with simultaneous application of a torque to the Lock cylinder in the opening direction, like a hand-held one Picker, the tumbler pins in through the cylinder circumference defined opening level should be spent. This The device is only partially non-destructive because of the hitting steel lamella the key channel is damaged. Both the handheld picker and the electric picker are not suitable for so-called track keys for Lock cylinder with tumblers in the form of disks individually against the force of a return spring across Cylinder axis can be moved in their open position have to.

In Notfällen ist ein derartiger Zeitaufwand nicht vertretbar, beispielsweise, wenn sich in einem in der prallen Sonne abgestellten verschlossenen Kraftfahrzeug ein Kind oder ein Tier befindet. Das gleiche Problem tritt insbesondere bei modernen Kraftfahrzeugen auf, die mit einer automatischen Schließanlage versehen sind, die so eingestellt ist, daß innerhalb einer vorgegebenen Zeit die nur zugedrückten Türen automatisch verriegelt werden, wenn der Benutzer es vergessen haben sollte, die Schließeinrichtung zu betätigen. Hat der Benutzer in einem solchen Fall versehentlich den Fahrzeugschlüssel im Auto liegen lassen, dann ist auch hier nur der gewaltsame Zugang unter Zerstörung des Schließzylinders oder der zeitraubende zugang über einen Picker möglich.Such an expenditure of time is not justifiable in emergencies, for example, when you are parked in the blazing sun locked motor vehicle a child or an animal located. The same problem occurs particularly with modern ones Motor vehicles with an automatic locking system are provided, which is set so that within a the given time automatically locks the doors that are only closed if the user should have forgotten to operate the locking device. Has the user in one in such a case accidentally the vehicle key in the car Leave it there, then there is only violent access destroying the lock cylinder or the time consuming access via a picker possible.

Aus DE 198 22 079 C ist eine Aufsperrvorrichtung für Schließzylinder bekannt, bei der in einem feststehenden Halterohr mit axialer Nut ein rohrförmiger Drehkörper mit einem axialen Schlitz angeordnet ist. Die Zuhaltung wird durch einen stabförmigen losen Sperrkörper gebildet, der in der Nut und dem Schlitz gelagert ist. Im Drehkörper sind dicht nebeneinanderliegend kreisförmige Stützscheiben angeordnet, die mit ihrem Rand den stabförmigen Sperrkörper so in der Nut des feststehenden Halterohres und dem Schlitz des Drehkörpers halten, daß diese formschlüssig miteinander verriegelt sind. Die Stützscheiben weisen eine rechteckige Mittenausnehmung auf, die in der Abfolge der Stützscheiben einen Schlüsselkanal bilden. Die Stützscheiben weisen ferner in unterschiedlicher Zuordnung zu den jeweiligen Mittenausnehmungen eine Randausnehmung auf. Bei gleichgerichteten Mittenausnehmungen liegen die Randausnehmungen nicht in Linie hintereinander und der Sperrkörper wird in seiner Verriegelungsstellung gehalten. Erst mit Hilfe des ordnungsgemäßen Schlüssels ist es möglich, die Stützscheiben gleichzeitig relativ zueinander und unterschiedlich zu verdrehen, so daß die Randausnehmungen in Linie hintereinander und unter dem Schlitz des Drehkörpers positioniert werden. Der Sperrkörper wird dann vom Schlitz im Drehkörper und den Randausnehmungen der Stützscheiben mit seinem Querschnitt vollständig aufgenommen und die Verriegelung zwischen feststehendem Halterohr und dem Drehkörper aufgehoben, so daß der mit einer Schließnase für den Schloßmechanismus versehene Drehkörper mit Hilfe des Schlüssels verdreht werden kann.DE 198 22 079 C discloses a locking device for locking cylinders known in the case of a fixed holding tube with an axial groove a tubular rotating body with an axial Slot is arranged. The tumbler is shaped like a rod loose locking body formed in the groove and the Slot is stored. In the rotating body are close together circular support disks arranged with their Edge the rod-shaped locking body in the groove of the fixed one Holding the holding tube and the slot of the rotating body, that these are positively locked together. The Support disks have a rectangular center recess, a key channel in the sequence of the support disks form. The support disks also have different Allocation to the respective center recesses an edge recess on. If the center recesses are aligned the edge recesses are not in a row and the Locking body is held in its locked position. It is only possible to use the correct key to the support disks simultaneously relative to each other and different to twist so that the edge recesses in line positioned one behind the other and under the slot of the rotating body become. The locking body is then from the slot in the rotating body and the edge recesses of the support disks with his Cross section fully included and the interlock between fixed support tube and the rotating body, so that with a locking lug for the lock mechanism provided rotating body can be turned using the key can.

Während bei der Verwendung eines ordnungsgemäßen Schlüssels durch entsprechend "codierte" Ansätze die Ausrichtung der Randausnehmungen der Stützscheiben in Linie bereits beim Einschieben des Schlüssels erfolgt, muß bei der bekannten Aufsperrvorrichtung in einem Haltemittel ein längsverschiebbar und drehbar gelagerter Drahthaken in den Schlüsselkanal eingeführt werden. Mit Hilfe des Hakens muß nun jede Stützscheibe einzeln mit Gefühl verdreht und die Zuordnung zum Sperrstab ertastet werden. Durch Markierungen an der Vorrichtung sind die Dicken der einen "Stapel" bildenden Stützscheiben angegeben, um zu gewährleisten, daß durch den Haken immer nur eine Stützscheibe verdreht wird. Ein Nachteil besteht darin, daß der Haken im Schlüsselkanal nicht geführt ist und bei dem geringen Drahtdurchmesser ein Verbiegen und/oder Verdrillen nicht zu vermeiden ist. Durch ein eingebautes Mikrofon im Eintrittsbereich des Hakens soll der Tastvorgang unterstützt werden, um so auch geringfügige, durch Fertigungstoleranzen nicht zu vermeidende Bewegungen des Sperrstabes zu erfassen, wenn die Randausnehmung unter dem Schlitz des Drehkörpers positioniert ist.While using a proper key through corresponding "coded" approaches the orientation of the Edge recesses of the support disks in line already when inserted of the key must be in the known unlocking device a longitudinally displaceable in a holding means and rotatably mounted wire hook inserted into the key channel become. With the help of the hook, each support disc must now individually twisted with feeling and the assignment to the locking rod be felt. By markings on the device are the thicknesses of the support disks forming a "stack" specified to ensure that the hook only ever a support disc is rotated. One disadvantage is that the hook is not in the key channel and at the small wire diameter a bending and / or twisting cannot be avoided. With a built-in microphone in the The entry area of the hook is intended to support the scanning process be so, even minor, due to manufacturing tolerances to detect unavoidable movements of the locking bar, when the edge recess is positioned under the slot of the rotating body is.

Ein derartiges Werkzeug ist als Aufsperrhilfe für Schließzylinder mit quer zu seiner Drehachse verschiebbaren Sperrkörpern gar nicht einsetzbar.Such a tool is used as an unlocking aid for locking cylinders with locking bodies that can be moved transversely to its axis of rotation not applicable at all.

Der Erfindung liegt die Aufgabe zugrunde, ein werkzeug zum zerstörungslosen Entsperren eines Schließzylinders zu schaffen, das als Zuhaltungen eine Vielzahl von federbelasteten, quer zur Drehachse des Schließzylinders verschiebbare Sperrkörper aufweist. Durch das erfindungsgemäße Werkzeug sollen die vorstehend beschriebenen Nachteile vermieden werden und ein Entsperren eines mit einem derartigen Schließzylinder versehenen Schlosses zuverlässig und mit kurzem Aufwand ermöglicht werden.The invention has for its object a tool for to create non-destructive unlocking of a locking cylinder that as tumblers a variety of spring-loaded, Locking body displaceable transversely to the axis of rotation of the locking cylinder having. By the tool according to the invention the disadvantages described above are avoided and unlocking one with such a lock cylinder provided lock reliably and with little effort become.

Diese Aufgabe wird gelöst durch ein Werkzeug zum Entsperren eines Schließzylinders mit den Merkmalen des Anspruchs 1. Der Vorteil des erfindungsgemäßen Werkzeugs besteht darin, daß das Tastelement durch seine an die Querschnittskontur des Schlüsselkanals angepaßte Querschnittskontur praktisch wie ein Schlüssel im Schlüsselkanal geführt ist, so daß bei einer Bewegung des Tastkörpers in Achsrichtung des Schließzylinders die Sperrkörper quer dazu gegen die Kraft der Rückstellfeder in ihre neutrale Position, d. h. mit ihren freien Enden in die Umfangsebene des drehbaren Teils des Schließzylinders gebracht werden können. Da über das Drehteil auf den Schließzylinder ein Drehmoment in Öffnungsrichtung oder auch in Schließrichtung aufgebracht wird, werden die einzelnen Zuhaltungen in dieser Position fixiert, so daß nach dem vollständigen Ziehen des Tastelementes durch das Drehteil der Schließzylinder gedreht und das Schloß geöffnet oder geschlossen werden kann. Damit ist es beispielsweise möglich, ein Kind oder einen Hund aus einem abgestellten Kraftfahrzeug zu befreien und anschließend das Kraftfahrzeug wieder zu verschließen.This task is solved by an unlocking tool a locking cylinder with the features of claim 1. The Advantage of the tool according to the invention is that the probe element by its to the cross-sectional contour of the Key channel adapted cross-sectional contour practically like a key is guided in the key channel, so that at one Movement of the probe body in the axial direction of the locking cylinder the locking body transversely against the force of the return spring in their neutral position, d. H. with their free ends in brought the circumferential plane of the rotatable part of the lock cylinder can be. Because of the turned part on the lock cylinder a torque in the opening direction or in When the closing direction is applied, the individual tumblers fixed in this position so that after complete Pull the probe element through the turned part of the Lock cylinder turned and the lock opened or closed can be. This makes it possible, for example, a child or dog from a parked motor vehicle free and then lock the motor vehicle again.

In Ausgestaltung der Erfindung ist vorgesehen, daß der Tastkörper am Tastelement sich in Bewegungsrichtung der Sperrkörper des zu öffnenden Schließzylinders erstreckt. Die Höhe des wirksamen Teils des Tastkörpers entspricht hierbei der Höhe des Sperrkörpers des zu öffnenden Schließzylinders mit der maximalen Hubhöhe.In an embodiment of the invention it is provided that the probe body the locking element in the direction of movement of the opening lock cylinder extends. The amount of effective part of the probe corresponds to the height of the locking body of the opening cylinder with the maximum lifting height.

In Ausgestaltung der Erfindung ist vorgesehen, daß der Tastkörper am freien Ende des Tastelementes angeordnet ist. Dies erlaubt es, das Tastelement zunächst vollständig in den Schlüsselkanal einzuschieben, danach über das Drehteil das erforderliche Drehmoment aufzubringen und dann feinfühlig über das Schieberteil das Tastelement zurückzuziehen, ggf. unter mehrfachen kurzhubigen Hin- und Herschieben aus dem Schlüsselkanal herauszuziehen und hierbei die Sperrkörper in ihrer Öffnungsstellung zu positionieren.In an embodiment of the invention it is provided that the probe body is arranged at the free end of the probe element. This allows the probe element to be completely in the Insert the key channel, then the rotary part apply the required torque and then sensitively withdraw the feeler element via the slide part, if necessary under multiple short-stroke back and forth pushing from the Pull out the key channel and in doing so the locking body position in their open position.

Je nach Gestaltung des Schließzylinders kann in einer Ausgestaltung der Tastkörper starr mit dem Tastelement verbunden sein, wie dies beispielsweise für Bahnschlüssel zweckmäßig ist.Depending on the design of the lock cylinder can be in one embodiment the probe body is rigidly connected to the probe element be as appropriate for example for railway keys is.

In einer anderen Ausgestaltung ist vorgesehen, daß der Tastkörper quer zur Schieberichtung des Tastelementes und in Bewegungsrichtung der Sperrkörper bewegbar gelagert und über eine Stützfeder abgestützt ist. Eine derartige Ausgestaltung eignet sich für Schließzylinder mit sogenannten Stiftzuhaltungen. Hierbei muß die Federsteifigkeit der Stützfeder etwas größer sein als die übliche Federsteifigkeit der Rückstellfedern der stiftförmigen Sperrkörper.In another embodiment it is provided that the probe body transverse to the sliding direction of the probe element and in the direction of movement the locking body is movably supported and over a support spring is supported. Such a configuration is suitable for locking cylinders with so-called pin tumblers. The spring stiffness of the support spring must be somewhat be greater than the usual spring stiffness of the return springs the pin-shaped locking body.

In einer anderen Ausgestaltung der Erfindung ist vorgesehen, daß der Tastkörper durch ein profiliertes federndes Drahtelement gebildet wird, das axial verschiebbar am Schieberteil geführt ist. Bei dieser Ausführungsform verbleibt das Tastelement im Schlüsselkanal und dient gleichzeitig als Drehteil, während die Schiebebewegung ausschließlich über das Drahtelement erfolgt. Der Tastkörper kann bei dieser Ausführungsform durch eine endseitige Ausbiegung des Drahtes gebildet sein. Der Tastkörper aus Draht läßt hierbei weitgehend abgestützt im Tastelement führen.In another embodiment of the invention, that the probe body by a profiled resilient wire element is formed, which is axially displaceable on the slide part is led. In this embodiment, the probe element remains in the key channel and also serves as a turned part, while the sliding movement only over the Wire element takes place. The probe body can in this embodiment formed by bending the wire at the end his. The probe body made of wire largely leaves run supported in the probe element.

in zweckmäßiger Ausgestaltung der Erfindung ist vorgesehen, daß das Tastelement lösbar mit dem Schieberteil verbunden ist. Hierdurch ist es möglich, mit einem Satz angepaßter Tastelemente Schließzylinder mit den unterschiedlichsten Querschnittskonturen des Schlüsselkanals zu entsperren.in an expedient embodiment of the invention, that the probe element is detachably connected to the slide part is. This makes it possible to customize with one set Lock cylinder pushbuttons with a wide variety Unlock cross-sectional contours of the key channel.

Zweckmäßig ist ferner, wenn das Tastelement mit Spiel mit dem Schieberteil verbunden ist. Hierdurch ergibt sich eine gewisse Entkoppelung zwischen dem als Einheit anzusehenden Drehteil und Schieberteil, so daß durch das Aufbringen des Drehmomentes über das handgeführtes Drehteil keine Zwängungen auf das Tastelement ausgeübt werden und dieses daher zwängungsfrei und in gewisser Weise sich selbst justierend im Schlüsselkanal geführt werden kann. Hierbei ist von Vorteil, daß das Tastelement aufgrund seiner an den Schlüsselkanal angepaßten Querschnittskontur praktisch wie ein Schlüssel geführt ist. In gleicher Weise ist es zweckmäßig, wenn der Schieberteil am Drehteil um ein geringes Maß um die Drehachse des Drehteils verschwenkbar ist. Im übrigen ist das Tastelement jedoch formschlüssig mit dem Schieberteil verbunden. It is also useful if the touch element with play with Slider part is connected. This results in a certain Decoupling between the rotating part to be regarded as a unit and slide part, so that by applying the torque no constraints on the hand-guided turned part the feeler element can be exercised and this therefore without constraint and in a way self-adjusting in the key channel can be performed. The advantage here is that the probe element due to its adapted to the key channel Cross-sectional contour practically guided like a key is. In the same way, it is useful if the slide part on the rotating part by a small amount around the axis of rotation of the Rotatable part is pivotable. Otherwise, the probe element however positively connected to the slide part.

Weitere Ausgestaltungen der Erfindung sind aus den Unteransprüchen sowie dem nachstehend beschriebenen Ausführungsbeispiel zu entnehmen.Further refinements of the invention are from the subclaims and the embodiment described below refer to.

Die Erfindung wird anhand von Ausführungsbeispielen näher beschrieben. Es zeigen:

Fig. 1
eine erste Ausführungsform eines Werkzeuges zum Entsperren eines Schließzylinders, teilweise im Schnitt,
Fig. 2
eine abgewandelte Ausführungsform für ein Tastelement,
Fig. 3
einen Schnitt gem. der Linie III-III in Fig. 3 durch das Tastelement,
Fig. 4
eine weitere Ausführungsform für ein Tastelement,
Fig. 5
eine Ausführungsform mit Drehkrafterzeuger, teilweise im Längsschnitt,
Fig. 6
eine Stirnansicht in Richtung des Pfeiles A in Fig. 5.
The invention is described in more detail using exemplary embodiments. Show it:
Fig. 1
1 a first embodiment of a tool for unlocking a locking cylinder, partly in section,
Fig. 2
a modified embodiment for a probe element,
Fig. 3
a cut acc. the line III-III in Fig. 3 by the probe element,
Fig. 4
another embodiment for a probe element,
Fig. 5
an embodiment with torque generator, partly in longitudinal section,
Fig. 6
an end view in the direction of arrow A in Fig. 5th

Das in Fig. 1 dargestellte Werkzeug zum Entsperren eines Schließzylinders weist einen Drehteil 1 auf, der im wesentlichen aus einem rohrförmigen Ansatz 2 mit endseitigem Griffelement 3 besteht. Im rohrförmigen Ansatz 2 ist ein Schieberteil 4 längsverschiebbar geführt, das an seinem zylinderseitigen Ende 5 mit einem Tastelement 6 verbunden ist. Das Tastelement weist eine Querschnittskontur auf, die zumindest über einen Teilbereich der Querschnittskontur des Schlüsselkanals des zu entsperrenden Schließzylinders entspricht. Bei dem hier dargestellten Ausführungsbeispiel ist das Tast-element 6 so ausgebildet, daß Schließzylinder für Bahnschlüssel mit Scheibenzuhaltungen entsperrt werden können. Das Tastelement 6 ist hierbei auf seinen beiden Flachseiten mit einer rinnenförmigen Ausfräsung 7 versehen, die an den beiden Schmalseiten durch Stege 8 begrenzt sind. Die Höhe a entspricht in etwa der Höhe des zugehörigen Schlüssels, die Dikke des Tastelementes im Bereich der Stege 8 entspricht in etwa der Dicke des Schlüssels.The tool shown in Fig. 1 for unlocking a Lock cylinder has a rotating part 1, which is essentially from a tubular extension 2 with an end grip element 3 exists. In the tubular extension 2 is a slide part 4 guided longitudinally, on its cylinder-side End 5 is connected to a sensing element 6. The probe element has a cross-sectional contour that at least over a portion of the cross-sectional contour of the key channel of the locking cylinder to be unlocked. In which The exemplary embodiment shown here is the touch element 6 trained so that lock cylinder for web key with Disc tumblers can be unlocked. The Touch element 6 is here on its two flat sides with a groove-shaped cutout 7 provided on the two Narrow sides are limited by webs 8. The height a corresponds about the height of the associated key, the Dikke corresponds approximately to the feeler element in the area of the webs 8 the thickness of the key.

An seinem freien Ende ist das Tastelement 6 mit dreieckförmigen Tastkörpern 9 versehen, die in bezug auf die Dicke des Tastelementes versetzt zueinander angeordnet sind und deren wirksame Höhe b - gemessen jeweils von einer Längsseite her - der Höhe des Sperrelementes mit der maximalen Hubhöhe entspricht.At its free end, the sensing element 6 is triangular Probe bodies 9 provided with respect to the thickness of the Tactile element are arranged offset from each other and their effective height b - measured from one long side - corresponds to the height of the locking element with the maximum lifting height.

Der rohrförmige Ansatz 2 weist an seinem zylinderseitigen Ende zwei in den Schlüsselkanal des zu entsperrenden Schließzylinders einführbare Mitnehmernasen 10 auf, deren Dicke in etwa der Dicke des Tastelementes 6 entspricht.The tubular extension 2 has at its cylinder end two in the key channel of the locking cylinder to be unlocked insertable driver lugs 10, the thickness of which is approximately corresponds to the thickness of the sensing element 6.

Zum Entsperren wird mit zurückgezogenem Tastelement 6 der Ansatz mit seinen beiden Mitnehmernasen 10 und das Tastelement 6 durch Verschieben des Schieberteils 4 in Richtung des Pfeiles 11 in den Schlüsselkanal eingeschoben. Anschließend wird über das Griffteil 3 und die Mitnehmernasen 10 auf den Schließzylinder des noch durch seine Zuhalteelemente gesperrten Schließzylinders ein Drehmoment von Hand aufgebracht, so daß der Schließzylinder gegen die sperrenden Zuhalteelemente im Schließzylinder angedrückt wird. Danach wird das Schieberteil 4 langsam zurückgezogen, so daß die einzelnen Zuhalteelemente des Schließzylinders nacheinander in ihre neutrale Position verschoben werden, so daß nach vollständigem Zurückziehen des Tastelementes der Schließzylinder vollständig entsperrt ist, so daß unter Aufrechterhaltung des Drehmomentes über das Griffteil 3 der Schließzylinder in Öffnungsrichtung gedreht und die zugeordnete Tür geöffnet werden kann. To unlock the approach with withdrawn button 6 with its two driver lugs 10 and the feeler element 6 by moving the slide part 4 in the direction of the arrow 11 inserted into the key channel. Then will About the handle part 3 and the driver lugs 10 on the Lock cylinder of the still locked by its locking elements Lock cylinder applied a torque by hand, so that the locking cylinder against the locking locking elements is pressed in the locking cylinder. Then the slide part 4 slowly withdrawn, so that the individual locking elements of the locking cylinder one after the other in their neutral Position can be moved so that after complete retraction the key element of the locking cylinder is fully unlocked is so that while maintaining the torque about the handle part 3 of the locking cylinder in the opening direction rotated and the associated door can be opened.

Bei Schließzylinder mit Stiftzuhaltungen ist es zweckmäßig, wenn entsprechend der Darstellung gem. Fig. 2 das Tastelement 6.1 über einen Teil seiner Höhe, und zwar dem den Zuhaltungen abgekehrten Kante seiner Höhe, zum Teil der Querschnittskontur des Schlüsselkanals entspricht. Bei dieser Ausführungsform ist am freien Ende des Tastelementes 6 ein Tastkörper 9.1 angeordnet, der in Form einer Federstahlbügels ausgebildet ist, der zumindest an einem Ende relativ verschiebbar am Tastelement 6.1 gelagert ist. Dieser Federstahlbügel ist mit seiner Federhärte so eingestellt, daß seine Nachgiebigkeit geringer ist als die Nachgiebigkeit der über Federn abgestützten Zuhaltestifte. Die Betätigungsweise ist die gleiche wie anhand von Fig. 1 beschrieben.With locking cylinders with pin tumblers, it is advisable to if according to the representation acc. Fig. 2 the probe element 6.1 over part of its height, namely that of the tumblers turned away edge of its height, partly the cross-sectional contour of the key channel. In this embodiment is a probe body at the free end of the probe element 6 9.1 arranged, which is designed in the form of a spring steel bracket is, which is relatively displaceable at least at one end Touch element 6.1 is stored. This spring steel bracket is included its spring hardness adjusted so that its compliance is less than the resilience of the springs supported Tumblers. The method of operation is the same as described with reference to FIG. 1.

Fig. 3 zeigt schematisch in einem Schnitt gem. der Linie III-III in Fig. 2 einen beispielhaften Querschnitt durch das Tastelement und läßt erkennen, daß es mit seinem Querschnitt an einem Querschnitt eines Schlüsselkanals angepaßt ist. Für unterschiedliche Schlüsselkanalformen müssen entsprechend angepaßte Tastelemente verwendet werden.Fig. 3 shows schematically in a section acc. the line III-III in Fig. 2 shows an exemplary cross section through the Probe element and shows that it is with its cross section is adapted to a cross section of a key channel. For different key channel shapes must be adapted accordingly Touch elements are used.

Statt eines federnden Bügels, wie in Fig. 2 dargestellt und beschrieben, kann der Tastkörper 9.1 auch als relativ zum Tastelement verschiebbarer, federnd abgestützter Tastkörper eingesetzt werden.Instead of a resilient bracket, as shown in Fig. 2 and described, the probe body 9.1 can also be relative to the probe element Slidable, spring-supported probe body be used.

Fig. 4 zeigt eine abgewandelte Ausführungsform zu Fig. 2, bei der an einem Tastelement 6.2, das beispielsweise eine Querschnittskontur aufweist, wie sie in Fig. 3 dargestellt ist, ein Drahtelement längsverschiebbar gelagert ist, das wiederum an seinem Ende bügelartig als Tastkörper geformt ist. Bei dieser Ausführungsform kann das Tastelement unmittelbar mit einem Griffelement verbunden sein, das zusammen mit dem Drahtelement 9.2 in den Schlüsselkanal eingeführt wird und in diesem mit einem Drehmoment beaufschlagt wird. Dann wird das Drahtelement 9.2 langsam zurückgezogen, so daß nach einem entsperrenden Verschieben der Zuhaltestifte über den bügelartig geformten Tastkörper 9.2 mit Hilfe des Tastelementes 6.2 der nunmehr entsperrte Schließzylinder in die Öffnungsstellung des zugehörigen Schlosses verdreht werden kann.Fig. 4 shows a modified embodiment of Fig. 2, at the on a probe element 6.2, for example, a cross-sectional contour 3, as shown in FIG. a wire element is mounted for longitudinal displacement, which in turn is shaped like a probe at its end like a bow. at In this embodiment, the probe element can be used directly be connected to a grip element, which together with the wire element 9.2 is introduced into the key channel and in this is subjected to a torque. Then it will Wire element 9.2 slowly withdrawn, so that after a unlocking moving the tumbler pins over the bow-like shaped probe body 9.2 using the probe element 6.2 the now unlocked locking cylinder in the open position of the associated lock can be rotated.

Wie anhand von Fig. 1 ersichtlich, ist es zweckmäßig, wenn das Werkzeug mit auswechselbaren Tastelementen 6 versehen ist, die beispielsweise über eine Schraube 12 mit dem Schieberteil 4 verbunden werden. Die Verbindung ist zweckmäßigerweise so gestaltet, daß zwischen dem Tastelement 6 und dem Schieberteil 4 ein gewisses Spiel besteht, das eine geringe Verschwenkbarkeit um die Achse der Schraube 12 als auch quer dazu gewährleistet, um so dem Tastelement 6 gegenüber dem Schieberteil 4 eine gewisse Beweglichkeit zu geben. Das Schieberteil 4 ist im Drehteil 1 so gelagert, daß es nicht nur in Richtung des Pfeiles 11 längsverschiebbar ist, sondern auch in Drehrichtung des Drehteiles 1 ein gewisses Spiel vorhanden ist, um auch hier Zwängungen zwischen dem Tastelement 6 und dem Schieberteil bzw. dem Drehteil zu vermeiden. Im übrigen sind Drehteil 1 und Schieberteil 4 formschlüssig miteinander verbunden.As can be seen from FIG. 1, it is useful if the tool with interchangeable probe elements 6 is, for example, via a screw 12 with the slide part 4 can be connected. The connection is expedient designed so that between the sensing element 6 and the Slider part 4 is a certain game, which is low Pivotal movement about the axis of the screw 12 and transversely guaranteed to so the sensing element 6 against the Slider part 4 to give a certain mobility. The Slider part 4 is mounted in the rotating part 1 so that it is not is only longitudinally displaceable in the direction of arrow 11, but there is also some play in the direction of rotation of the rotating part 1 is, here too, constraints between the probe element 6 and the slide part or the rotating part to be avoided. Furthermore are rotating part 1 and slide part 4 form-fitting with each other connected.

Der zweckmäßigerweise ebenfalls mit einem Griffelement 13 versehene Schieberteil 4 kann nun so ausgestaltet werden, daß ein beispielsweise elektrisches Antriebselement mit Versorgung über einen Akku angeschlossen werden kann, der eine periodische Hin- und Herbewegung des Tastelementes 6 mit geringem Hub erzeugt und gleichzeitig ein Herausziehen des Schieberteils 4 zusammen mit dem sich hin und her bewegenden Tastelement 6 ermöglicht.The expediently also with a grip element 13 provided slide part 4 can now be designed so that an electrical drive element with supply, for example can be connected via a battery that has a periodic Back and forth movement of the sensing element 6 with little Hub generates and at the same time pulling out the slide part 4 together with the reciprocating probe 6 enables.

In Fig. 5 ist die Ausführungsform gem. Fig. 1 dargestellt in einer erfindungsgemäßen "Aufrüstung" mit einem Drehkrafterzeuger 13, der über eine lösbare Verriegelung 14 mit dem Drehteil 2 verbindbar ist. Der Drehkrafterzeuger 13 wird im wesentlichen gebildet durch ein Handhabungsteil 15, in dem der Drehteil 2 drehbar gelagert ist. Handhabungsteil 15 und Drehteil 2 sind über ein Federelement 16, beispielsweise eine Wickelfeder miteinander verbunden.In Fig. 5 the embodiment is gem. Fig. 1 shown in an "upgrade" according to the invention with a torque generator 13, which has a releasable lock 14 with the Rotating part 2 is connectable. The torque generator 13 is in the essentially formed by a handling part 15 in which the rotating part 2 is rotatably supported. Handling part 15 and Rotating part 2 are via a spring element 16, for example a Clock spring connected together.

Die nur schematisch dargestellte Verriegelung 14 weist ein am Handhabungsteil 15 gelagertes Sperrelement 17 auf, dem am Kopf 3.1 des Drehteils 2 mehrere Rasten 18.0, 18.1 und 18.2 zugeordnet sind (Fig. 6). In der Verriegelungsstellung mit der Raste 18.0 ist das Federelement 16 ungespannt. Das Werkzeug kann über das Halteelement 15 gehandhabt werden, wie für die Ausführungsform gem. Fig. 1 beschrieben. Für die praktische Umsetzung ist es zweckmäßig, wenn das Sperrelement 17 verdreht am Handhabungsteiul 15 angeordnet ist, so daß ein ungewolltes Auslösen des Drehkraftversträrkers während einer Betätigung des Tastelementes nicht möglich ist. Dies kann beispielsweise durch axial wirkende, nur von der Stirnseite her betätigbare Sperrelemente verwirklicht werden, wobei die Rasten 18 entsprechend anzupassen sind.The latch 14, shown only schematically, has a Handling part 15 stored locking element 17, which on Head 3.1 of the rotating part 2 several notches 18.0, 18.1 and 18.2 are assigned (Fig. 6). In the locked position with the catch 18.0, the spring element 16 is untensioned. The tool can be handled via the holding element 15, as for the embodiment acc. Fig. 1 described. For the practical Implementation, it is useful if the locking element 17th twisted on the handling part 15 is arranged so that a unintended triggering of the torque amplifier during a Actuation of the pushbutton is not possible. This can for example by axially acting, only from the front forth actuatable locking elements are realized, the Notches 18 are to be adjusted accordingly.

Bei Schließzylindern mit besonders leichtgängigen Sperrkörpern reicht jedoch die über eine Betätigung von Hand erzielbare Drehgeschwindigkeit nicht aus, um nach dem Justieren der Sperrkörper den Schließzylinder in öffnungs- oder Schließrichtung zu verdrehen, da selbst bei geringen Änderungen im von Hand aufgebrachten Drehmoment die Sperrkörper sich unter der Wirkung ihrer Rückstellfedern wieder in die Sperrstellung zurückbewegen.For locking cylinders with particularly smooth-running locking bodies however, the one that can be achieved by manual actuation is sufficient Rotation speed does not turn out after adjusting the Locking body the locking cylinder in the opening or closing direction to twist because even with minor changes in the torque applied by hand the locking body itself the effect of their return springs back into the locked position move back.

Je nach der gewünschten Drehrichtung (Öffnen oder Schließen) wird nun vor dem Ansetzen des Werkzeuges an den Schließzylinder das Federelement 16 durch Verdrehen des Handhabungsteils 15 gegenüber dem Drehteil 2 vorgespannt und in der durch die Rasten 18.1 oder 18.2 vorgegebenen Endstellung arretiert, so daß der Drehkrafterzeuger 13 vorgespannt ist. Die Verriegelung mit der Rast 18.1 bewirkt eine Vorspannung zur Erzeugung einer Drehkraft in Öffnungsrichtung und die Verriegelung mit der Rast 18.2 entsprechend eine Drehkraft in Schließrichtung. Depending on the desired direction of rotation (opening or closing) is now before attaching the tool to the lock cylinder the spring element 16 by rotating the handling part 15 biased against the rotating part 2 and in the by Notches 18.1 or 18.2 are locked in the predetermined end position, see above that the torque generator 13 is biased. The lock with the detent 18.1 causes a bias to generate a torque in the opening direction and locking with the detent 18.2 corresponding to a torque in the closing direction.

Die Winkelstellung der Rasten 18.1 und 18.2 in bezug auf die Raste 18.0, die hier 90 Grad beträgt, kann je nach den Anforderungen auch anders gewählt sein. Es kann auch zweckmäßig sein, für jede Drehrichtung mehrere Rasten 18.1 bzw. 18.2 in unterschiedlichen Winkelstellungen zur Raste 18.0 vorzusehen, um unterschiedliche Drehwege auf den zu öffnenden Schließzylinder aufbringen zu können.The angular position of the catches 18.1 and 18.2 with respect to the Detent 18.0, which is 90 degrees here, can vary depending on requirements be chosen differently. It can also be useful be, for each direction of rotation several notches 18.1 or 18.2 in to provide different angular positions to the catch 18.0, by different turning paths on the locking cylinder to be opened to be able to muster.

Das Werkzeug wird wiederum, wie anhand von Fig. 1 beschrieben, zur Justierung der Sperrkörper des Schließzylinders gehandhabt. Über das Handhabungsteil 15 und die Nasen 10 am Drehkörper 2 wird die notwendige "Klemmkraft" aufgebracht, um die einzelnen Sperrkörper in ihrer durch die Tastkörper 9 einjustierten Öffnungsstellung gehalten. Sobald alle Sperrkörper sich in Öffnungsposition befinden, wird die Verriegelung 14 gelöst, so daß sich der Drehteil 2 in der durch die Vorspannung des Federelementes 16 vorgegebenen Drehrichtung dreht und dabei über die in den Schlüsselkanal eingesetzten Nasen 10 mit hoher Drehgeschwindigkeit, praktisch schlagartig verdreht. Hierbei kann das in seinem Querschnitt dem zugehörigen Schlüssel entsprechende Tastelement auch vollständig in den Schlüsselkanal eingeschoben sein und die Drehbewegung unhterstützen. Das Handhabungsteil 15 muß dabei von Hand festgehalten und ggf. über eine zusätzliche Abstützung an der zu öffnenden Tür unverdrehbar abgestützt werden, Hierzu reicht in der Regel eine Abstützung der Hand an einem Türgriff der zu öffnenden Tür aus.The tool is again, as described with reference to FIG. 1, handled to adjust the locking body of the lock cylinder. About the handling part 15 and the nose 10 am Rotary body 2, the necessary "clamping force" is applied to the individual locking bodies in their through the feeler 9th adjusted open position held. Once all locking bodies are in the open position, the lock 14 solved so that the rotating part 2 in the by Preload of the spring element 16 predetermined direction of rotation rotates and thereby inserted into the key channel Noses 10 with high rotational speed, practically suddenly twisted. The cross section of this can be the corresponding one Key corresponding touch element also completely in the key channel be inserted and the rotary movement unhterstützen. The handling part 15 must be done by hand held and if necessary by an additional support on the the door to be opened cannot be rotated, for this purpose usually a hand support on a door handle is sufficient the door to be opened.

Claims (15)

  1. Tool for unlocking a lock cylinder which comprises, as tumbler, a plurality of spring-loaded locking bodies which can be displaced transversely to the axis of rotation of the lock cylinder, with a rotational part (1) which is provided at its cylinder-side end with two catch lugs which can be introduced into the key channel, characterised in that a slide part (4) is provided at the rotational part (1), which slide part is mounted in a positive-locking fashion in the rotational direction and so as to be axially mobile in the axial direction and is provided at its cylinder-side end with a flat probe element (6) which can be introduced into the key channel and the cross-sectional contour of which corresponds to the cross-sectional contour of the key channel, at least over a subregion, and with which at least one probe body (9) is associated for displacing the locking bodies in the lock cylinder.
  2. Tool according to Claim 1, characterised in that the probe body (9) is disposed at the free end of the probe element (6).
  3. Tool according to Claim 1 or 2, characterised in that the probe body (9) is rigidly connected to the probe element (6).
  4. Tool according to Claim 1 or 2, characterised in that the probe body (9.1) is mounted so as to be mobile transversely to the sliding direction (11) at the probe element (6) and is supported via a support spring.
  5. Tool according to Claim 1, characterised in that the probe body (9.1) is formed by a profiled, resilient probe element (9.2) which is guided in an axially displaceable fashion at the probe element (6.2).
  6. Tool according to any one of Claims 1 to 5, characterised in that the probe element (6) is connected to the slide part (4) such that it can be released.
  7. Tool according to any one of Claims 1 to 6, characterised in that the probe element (6) is connected with play to the slide part (4).
  8. Tool according to any one of Claims 1 to 7, characterised in that the slide part (4) can be pivoted at the rotational part (1) by a slight degree about the axis of rotation of the rotational part (1).
  9. Tool according to any one of Claims 1 to 8, characterised in that the slide part (4) is guided in an axially displaceable fashion in a tubular attachment (2) at the rotational part (1).
  10. Tool according to any one of Claims 1 to 9, characterised in that the catch lugs (10) are disposed at the free end of the tubular attachment (2).
  11. Tool according to any one of Claims 1 to 10, characterised in that the rotational part (1) is connected to a handle element (3) at its end which is remote from the catch lugs (10).
  12. Tool according to any one of Claims 1 to 11, characterised in that the probe element (6) is mounted such that it can reciprocate in the slide part (4) and is connected to a drive element for producing a periodic reciprocating movement.
  13. Tool according to any one of Claims 1 to 12, characterised in that a handling part (15) is provided, at which part the rotational part (2) is rotatably mounted and can be secured thereto in a non-rotatable fashion by a releasable interlocking mechanism (14), and that a spring element (16), which can be preloaded between the handling part (15) and the rotational part (2), is provided for producing a rotational force acting between the handling part (15) and the rotational part (2).
  14. Tool according to any one of Claims 1 to 13, characterised in that the spring element (16) can be preloaded with respect to both rotational directions of the rotational part (2).
  15. Tool according to any one of Claims 1 to 14, characterised in that the spring element (16) is formed as a spiral spring.
EP01945210A 2000-09-30 2001-05-30 Tool for releasing a locking cylinder Expired - Lifetime EP1242705B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20016866U 2000-09-30
DE20016866U DE20016866U1 (en) 2000-09-30 2000-09-30 Tool to unlock a lock cylinder
PCT/EP2001/006122 WO2002029185A1 (en) 2000-09-30 2001-05-30 Tool for releasing a locking cylinder

Publications (2)

Publication Number Publication Date
EP1242705A1 EP1242705A1 (en) 2002-09-25
EP1242705B1 true EP1242705B1 (en) 2004-05-19

Family

ID=7947121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01945210A Expired - Lifetime EP1242705B1 (en) 2000-09-30 2001-05-30 Tool for releasing a locking cylinder

Country Status (6)

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US (1) US6931898B2 (en)
EP (1) EP1242705B1 (en)
AT (1) ATE267320T1 (en)
DE (2) DE20016866U1 (en)
ES (1) ES2220780T3 (en)
WO (1) WO2002029185A1 (en)

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Also Published As

Publication number Publication date
DE20016866U1 (en) 2000-12-14
WO2002029185A1 (en) 2002-04-11
US6931898B2 (en) 2005-08-23
ATE267320T1 (en) 2004-06-15
DE50102319D1 (en) 2004-06-24
US20030101782A1 (en) 2003-06-05
EP1242705A1 (en) 2002-09-25
ES2220780T3 (en) 2004-12-16

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