EP0472495A1 - Key and rotary cylinder for a safety lock - Google Patents

Key and rotary cylinder for a safety lock Download PDF

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Publication number
EP0472495A1
EP0472495A1 EP19910810633 EP91810633A EP0472495A1 EP 0472495 A1 EP0472495 A1 EP 0472495A1 EP 19910810633 EP19910810633 EP 19910810633 EP 91810633 A EP91810633 A EP 91810633A EP 0472495 A1 EP0472495 A1 EP 0472495A1
Authority
EP
European Patent Office
Prior art keywords
key
shaft
tumbler
control element
lock cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19910810633
Other languages
German (de)
French (fr)
Other versions
EP0472495B1 (en
Inventor
Ernst Keller
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.)
Individual
Original Assignee
Individual
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
Priority claimed from CH9891A external-priority patent/CH682937A5/en
Application filed by Individual filed Critical Individual
Publication of EP0472495A1 publication Critical patent/EP0472495A1/en
Application granted granted Critical
Publication of EP0472495B1 publication Critical patent/EP0472495B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/003—Locks for use with special keys or a plurality of keys ; keys therefor for keys with movable bits
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7565—Plural tumbler sets
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7588—Rotary plug
    • Y10T70/7593—Sliding tumblers
    • Y10T70/7599—Transverse of plug
    • Y10T70/7605—Pin tumblers
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7667—Operating elements, parts and adjuncts
    • Y10T70/7689—Tumblers
    • Y10T70/7701—Pin
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7802—Multi-part structures
    • Y10T70/7819—With slidable bit portion
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7881—Bitting

Definitions

  • the invention relates to a key and rotary lock cylinder according to the preamble of independent claim 1 and a key for a rotary lock cylinder with an additional tumbler.
  • Keys of this type have the advantage that, owing to the control element arranged in the shaft, they can hardly be copied unauthorized and the locking systems equipped with such keys therefore have a higher security value.
  • the keys of this type also known as "mechanical keys", which have become known, still have various disadvantages, so that despite the very high level of copy security, these keys, in particular as reversible keys, have not yet found widespread use.
  • a key of this type has become known from US-A-4,667,495, which has a pin which can be displaced to a limited extent in order to arrange the additional tumbler in the shaft.
  • the pin moves onto a ramp arranged in the rotor, which radially displaces the pin, thereby classifying the additional tumbler. So that the ramp can reach the pin when the shaft is inserted, grooves or other recesses are required on the shaft, which limit the area available for control drilling with a flat key.
  • the pin must therefore be placed as close as possible to the front end of the shaft.
  • the loosely movable pin usually protrudes with one end on the shaft, so that the key can hook here.
  • a key of this type has also become known from EP-A-202 949.
  • the additional tumbler is also arranged here by a pin that is mounted to be displaceable to a limited extent in the key shaft, so that the above-mentioned difficulties also exist in this case.
  • the invention has for its object to a key and a rotary lock cylinder of the type mentioned create that requires no recesses on the outside of the shaft for a ramp arranged in the rotary cylinder and which is nevertheless easy to manufacture and extremely copy-proof.
  • the object is achieved by the invention according to claims 1 and 7.
  • Claim 13 relates to a rotary lock cylinder according to the invention, which further increases security against manipulation.
  • the rotary lock cylinder shown in FIG. 1 has a rotor 3 with a key channel 4, a stator 2 and a steel sleeve 5 in the usual way.
  • a reversible key to be inserted into the key channel 4 conventional pin tumblers (not shown) are arranged, after which the rotor 3 can be rotated to actuate the lock (not shown here).
  • the associated key 16 according to FIG. 5 has bores 35 on the broad sides and narrow sides.
  • the key can also be a wrench, in which case the rotary lock cylinder is of course designed accordingly.
  • the rotary lock cylinder has a further tumbler 10, which is classified by the control element 19 shown in FIG. 4.
  • This additional control element 19 has a core pin 13 mounted in a radial bore 8 of the rotor 3 and a housing pin 12 mounted in a bore 9 of the stator 2 as well as a spiral spring 11 supported on the sleeve 5.
  • the housing pin exceeds 12 the shear line 14 and thus blocks the rotor 3.
  • the rotor 3 is blocked by the usual other pin tumblers, not shown here.
  • FIG. 1 a locking pin 6 is inserted into symmetrical bores 15 of the stator 2, which are also supported on the sleeve 5 and which exceed the shear line 14 with the front end.
  • a locking pin is shown in more detail in FIGS. 6a and 6b.
  • FIG. 7 also shows how the narrower inner end 24 of the locking pin 6 engages in a circumferential groove 7 of the rotor 3. The locking pin 6 can thus only move slightly in the radial direction, since it rests on the one hand on the sleeve 5 and on the other hand on the rotor 3.
  • the control element 19 shown in FIGS. 4 and 5 is inserted into a continuous bore 18, this bore being transverse to the longitudinal direction of the shaft 17 and parallel extends to the broad sides 36 of the key 16.
  • the control element 19 has two bolts 20, between which a compression spring 27 is arranged, which has a significantly higher spring force than the spring 11 of the additional tumbler 10.
  • the end faces 23 of the bolts 20 are flush with the narrow sides 30 of the shaft 17 and prevented from emerging from the bore 18 by sleeves 21 inserted into the bore 18.
  • the sleeves 21 are fixed, for example, by a press fit in the bores 18.
  • the spring 19 presses the bolts 20 at radially projecting stops 37 against a sleeve 21 which is stuck in the bore 18.
  • the mode of operation of the control element 19 is explained in more detail below with reference to FIGS. 2 and 3.
  • the key shaft 16 is inserted into the key channel 4 as usual.
  • the usual tumblers are classified as known.
  • the additional pin tumbler 10 is arranged by the control element 19 as shown in FIG. 2.
  • the core pin 13 rests on the end face 23 of the bolt 20 and is radial to the Release of the rotor 3 required height raised. Since, as mentioned, the spring 27 is substantially stronger than the spring 11 of the pin tumbler, the bolt 20 of the control element 19 is essentially not moved when the tumbler 10 is arranged.
  • the rotor 3 can be turned clockwise or counterclockwise with the key 16 used. As can be seen, the outer end of the core pin 13 engages in the circumferential groove 7 of the rotor 3.
  • a bolt 20 of the control element 19 is in contact with a locking bolt 6. If the rotor 3 is rotated further in the same direction of rotation, the bolt 20 is moved inwards by a wedge surface 39 of the locking bolt 6 against the restoring force of the spring 27. Since the bolt 20 can easily move inwards, the rotor 3 can be rotated further beyond the locking bolt 6 in the same direction of rotation and the bolt of the lock can be actuated.
  • the rotor 3 even if the additional tumbler 10 is arranged, can only be turned up to one of the locking bolts 6, since the core pin 13 does not deflect inwards can and is therefore on the corresponding locking pin 6.
  • a control element 25 is formed by a resilient arm 31, the free end of which can deflect inwards into a recess 32 in the key shaft 28.
  • the key can be a reversible key or a prong key.
  • two such control elements 25 are arranged symmetrically.
  • the resilient arm 31 is designed such that it can raise the core pin 13 radially outward against the force of the spring 11 to the required height in order to arrange the additional tumbler 10.
  • a control element 26 is formed by a resilient web 33, which covers a trough-shaped recess 34.
  • the two ends of the resilient web 33 are engaged in corresponding recesses in the shaft 29 or are soldered to the latter.
  • the web 29 is designed such that it can raise the core pin 13 to the required height in order to release the rotor 3, but that the core pin 13 can deflect inwards when a locking bolt 6 is exceeded.
  • FIGS. 10a to 10e show a rotary lock cylinder 50 which can be operated with a key 16 described above.
  • This differs from the rotary lock cylinder 1 in that two additional tumblers 40 are arranged in the radial plane of the additional tumbler 10, each of which has a bolt 41 made of chromium-nickel steel in a radial bore 43 of the stator, which is provided by a compression spring 42, which is preferably much harder than the spring 11 is pressed against the rotor.
  • These further tumblers 40 check the control element 19, 25 or 29 in order to thereby prevent manipulation.
  • the mode of operation of the additional tumblers 40 is explained below with reference to FIGS. 10a to 10c.
  • the key 16 described above is inserted into the key channel 4.
  • the additional tumbler 10 and the usual tumblers not shown here are arranged so that the rotor can be rotated into the rotational position shown in FIG. 10b and finally into the rotational position shown in FIG. 10c.
  • the core pin 13 is pressed radially inward against a pin 20 of the control element 19 by the bolt 41 of the additional tumbler 40.
  • the spring 27 is now harder than the spring 42 of the additional tumbler 40, so that the rotor can be rotated beyond this position and the lock can finally be opened.
  • a manipulation key 51 is inserted into the key channel and it is assumed that with this the usual tumblers and also the additional tumbler 10 can be classified. It is also assumed that the core pin 13 can be moved radially inward into a recess 53 of the key 51 in order to overcome the locking pin 6. If the tube now reaches the rotational position in which the bore 43 and the bore 44 are aligned, the bolt 41 is moved inwards by the spring 42 and engages in the bore 44 of the tube, which is thereby blocked and does not open the lock can be rotated further. 10e shows the arrangement in which the bolt 41 has crossed the shear line 14 and prevents the rotor from rotating further. The manipulation key 51 is also locked here and can no longer be removed from the rotary lock cylinder.

Landscapes

  • Lock And Its Accessories (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

In the rotary lock cylinder is arranged an additional tumbler (10) which is allocated by a control element (19) arranged in the key (16). At a distance from this tumbler (10) there is, in the stator (2), a blocking element (6) which, in a specific rotarty position of the rotor (3), deflects the control element (19) radially counter to a restoring force by means of the core pin (13) of the additional tumbler (10). <IMAGE>

Description

Die Erfindung betrifft einen Schlüssel und Drehschliesszylinder nach dem Oberbegriff des unabhängigen Patentanspruchs 1 sowie einen Schlüssel für einen Drehschliesszylinder mit einer zusätzlichen Zuhaltung.The invention relates to a key and rotary lock cylinder according to the preamble of independent claim 1 and a key for a rotary lock cylinder with an additional tumbler.

Schlüssel dieser Gattung weisen den Vorteil auf, dass sie aufgrund des im Schaft angeordneten Steuerelementes kaum unautorisiert kopiert werden können und somit die mit solchen Schlüsseln ausgerüsteten Schliessanlagen einen höheren Sicherheitswert besitzen. Die bisher bekanntgewordenen Schlüssel dieser Gattung, auch "Mechanische Schlüssel"genannt, sind jedoch noch mit verschiedenen Nachteilen behaftet, so dass trotz der sehr hohen Kopiersicherheit diese Schlüssel, insbesondere als Wendeschlüssel, noch keine grosse Verbreitung gefunden haben.Keys of this type have the advantage that, owing to the control element arranged in the shaft, they can hardly be copied unauthorized and the locking systems equipped with such keys therefore have a higher security value. However, the keys of this type, also known as "mechanical keys", which have become known, still have various disadvantages, so that despite the very high level of copy security, these keys, in particular as reversible keys, have not yet found widespread use.

So ist durch die US-A-4,667,495 ein Schlüssel dieser Gattung bekanntgeworden, der zum Einordnen der zusätzlichen Zuhaltung im Schaft einen begrenzt verschiebbaren Stift aufweist. Beim Einführen des Schaftes in den Schlüsselkanal fährt der Stift auf eine im Rotor angeordnete Rampe auf, die den Stift radial verschiebt und dieser dadurch die zusätzliche Zuhaltung einordnet. Damit die Rampe beim Einführen des Schaftes zum Stift gelangen kann, sind am Schaft Rillen oder sonstige Ausnehmungen erforderlich, welche bei einem Flachschlüssel die für Steuerbohrung zur Verfügung stehende Fläche beschränken. In der Praxis muss der Stift deshalb möglichst nahe am vorderen Ende des Schaftes angeordnet werden. Der lose verschiebbare Stift steht mit einem Ende am Schaft meistens vor, so dass der Schlüssel hier einhaken kann.A key of this type has become known from US-A-4,667,495, which has a pin which can be displaced to a limited extent in order to arrange the additional tumbler in the shaft. When the shaft is inserted into the key channel, the pin moves onto a ramp arranged in the rotor, which radially displaces the pin, thereby classifying the additional tumbler. So that the ramp can reach the pin when the shaft is inserted, grooves or other recesses are required on the shaft, which limit the area available for control drilling with a flat key. In practice, the pin must therefore be placed as close as possible to the front end of the shaft. The loosely movable pin usually protrudes with one end on the shaft, so that the key can hook here.

Ein Schlüssel dieser Art ist ebenfalls durch die EP-A-202 949 bekanntgeworden. Die zusätzliche Zuhaltung wird hier ebenfalls durch einen im Schlüsselschaft begrenzt verschiebbar gelagerten Stift eingeordnet, so dass auch bei diesem die oben genannten Schwierigkeiten bestehen.A key of this type has also become known from EP-A-202 949. The additional tumbler is also arranged here by a pin that is mounted to be displaceable to a limited extent in the key shaft, so that the above-mentioned difficulties also exist in this case.

Der Erfindung liegt die Aufgabe zugrunde, einen Schlüssel und einen Drehschliesszylinder der geannten Gattung zu schaffen, der auf der Aussenseite des Schaftes keine Ausnehmungen für eine im Drehzylinder angeordnete Rampe benötigt und der trotzdem einfach herstellbar und ausserordentlich kopiersicher ist. Die Aufgabe wird durch die Erfindung gemäss Anspruch 1 und 7 gelöst. Anspruch 13 betrifft einen erfindungsgemässen Drehschliesszylinder, der die Sicherheit gegen Manipulationen weiter erhöht.The invention has for its object to a key and a rotary lock cylinder of the type mentioned create that requires no recesses on the outside of the shaft for a ramp arranged in the rotary cylinder and which is nevertheless easy to manufacture and extremely copy-proof. The object is achieved by the invention according to claims 1 and 7. Claim 13 relates to a rotary lock cylinder according to the invention, which further increases security against manipulation.

Ausführungsbeispiele der Erfindung werden nachfolgend anhand von Zeichnungen näher erläutert. Es zeigen:

  • Fig. 1 ein Schnitt durch einen erfindungsgemässen Drehschliesszylinder,
  • Fig. 2 ein Schnitt durch einen erfindungsgemässen Drehschliesszylinder mit eingeführtem Zylinder,
  • Fig. 3 wie Fig. 2 jedoch nach einer Drehung des Rotors um etwa 45°,
  • Fig. 4 ein Schnitt durch einen erfindungsgemässen Schlüssel entlang der Linie IV-IV der Fig. 5,
  • Fig. 5 eine Teilansicht eines teilweise geschnittenen erfindungsgemässen Schlüssels,
  • Fig. 6a und 6b Ansichten eines Sperrelementes,
  • Fig. 7 eine Teilansicht eines Rotors und eines Sperrelementes nach den Fig. 6a und 6b,
  • Fig. 8 eine Teilansicht eines erfindungsgemässen Schlüssels nach einer Variante,
  • Fig. 9a ein teilweise geschnittener Abschnitt eines Schlüssels nach einer dritten Variante,
  • Fig. 9b ein Schnitt entlang der Linie IXb-IXb der Fig. 9a.
  • Fig. 10a bis 10e Schnitte durch einen Drehschliesszylinder nach einer erfindungsgemässen Variante.
Exemplary embodiments of the invention are explained in more detail below with reference to drawings. Show it:
  • 1 shows a section through a rotary lock cylinder according to the invention,
  • 2 shows a section through a rotary lock cylinder according to the invention with an inserted cylinder,
  • 3 like FIG. 2, but after the rotor has been rotated by approximately 45 °,
  • 4 shows a section through an inventive key along the line IV-IV of FIG. 5,
  • 5 is a partial view of a partially cut key according to the invention,
  • 6a and 6b views of a locking element,
  • 7 is a partial view of a rotor and a locking element according to FIGS. 6a and 6b,
  • 8 is a partial view of an inventive key according to a variant,
  • 9a is a partially sectioned section of a key according to a third variant,
  • Fig. 9b is a section along the line IXb-IXb of Fig. 9a.
  • 10a to 10e sections through a rotary lock cylinder according to an inventive variant.

Der in Fig. 1 gezeigte Drehschliesszylinder weist in üblicher Weise einen Rotor 3 mit einem Schlüsselkanal 4, einen Stator 2 sowie eine Stahlhülse 5 auf. Mit einem in den Schlüsselkanal 4 einzuführenden Wendeschlüssel werden hier nicht gezeigte, übliche Stiftzuhaltungen eingeordnet, wonach der Rotor 3 zur Betätigung des hier nicht gezeigten Schlosses gedreht werden kann. Zur Einordnung dieser üblichen Zuhaltungen weist der zugehörige Schlüssel 16 gemäss Fig. 5 Bohrungen 35 auf den Breitseiten und Schmalseiten auf. Der Schlüssel kann jedoch auch ein Zackenschlüssel sein, wobei dann der Drehschliesszylinder selbstverständlich entsprechend ausgebildet ist.The rotary lock cylinder shown in FIG. 1 has a rotor 3 with a key channel 4, a stator 2 and a steel sleeve 5 in the usual way. With a reversible key to be inserted into the key channel 4, conventional pin tumblers (not shown) are arranged, after which the rotor 3 can be rotated to actuate the lock (not shown here). To classify these usual tumblers, the associated key 16 according to FIG. 5 has bores 35 on the broad sides and narrow sides. However, the key can also be a wrench, in which case the rotary lock cylinder is of course designed accordingly.

Der Drehschliesszylinder weist eine weitere Zuhaltung 10 auf, welche durch das in Fig. 4 gezeigte Steuerelement 19 eingeordnet wird. Dieses zusätzliche Steuerelement 19 besitzt einen in einer radialen Bohrung 8 des Rotors 3 gelagerten Kernstift 13 und einen in einer Bohrung 9 des Stators 2 gelagerten Gehäusestift 12 sowie eine an der Hülse 5 abgestützte Spiralfeder 11. In der in Fig. 1 gezeigten Anordnung überschreitet der Gehäusestift 12 die Scherlinie 14 und sperrt damit den Rotor 3. Gleichzeitig wird der Rotor 3 durch die üblichen hier nicht gezeigten anderen Stiftzuhaltungen gesperrt.The rotary lock cylinder has a further tumbler 10, which is classified by the control element 19 shown in FIG. 4. This additional control element 19 has a core pin 13 mounted in a radial bore 8 of the rotor 3 and a housing pin 12 mounted in a bore 9 of the stator 2 as well as a spiral spring 11 supported on the sleeve 5. In the arrangement shown in FIG. 1, the housing pin exceeds 12 the shear line 14 and thus blocks the rotor 3. At the same time the rotor 3 is blocked by the usual other pin tumblers, not shown here.

Wie die Fig. 1 zeigt, sind in symmetrische Bohrungen 15 des Stators 2 je ein Sperrstift 6 eingesetzt, die ebenfalls an der Hülse 5 abgestützt sind und die mit dem vorderen Ende die Scherlinie 14 überschreiten. Ein solcher Sperrstift ist in den Fig. 6a und 6b näher dargestellt. In Fig. 7 ist zudem gezeigt, wie das schmalere innere Ende 24 des Sperrstiftes 6 in eine umlaufende Rille 7 des Rotors 3 eingreift. Der Sperrstift 6 kann sich somit in radialer Richtung nur geringfügig bewegen, da er einerseits an der Hülse 5 und anderseits am Rotor 3 anliegt.As shown in FIG. 1, a locking pin 6 is inserted into symmetrical bores 15 of the stator 2, which are also supported on the sleeve 5 and which exceed the shear line 14 with the front end. Such a locking pin is shown in more detail in FIGS. 6a and 6b. FIG. 7 also shows how the narrower inner end 24 of the locking pin 6 engages in a circumferential groove 7 of the rotor 3. The locking pin 6 can thus only move slightly in the radial direction, since it rests on the one hand on the sleeve 5 and on the other hand on the rotor 3.

Das in den Fig. 4 und 5 gezeigte Steuerelement 19 ist in eine durchgehende Bohrung 18 eingesetzt, wobei diese Bohrung quer zur Längsrichtung des Schaftes 17 und parallel zu den Breitseiten 36 des Schlüssels 16 verläuft. Das Steuerelement 19 weist zwei Bolzen 20 auf, zwischen denen eine Druckfeder 27 angeordnet ist, die eine wesentlich höhere Federkraft aufweist, als die Feder 11 der zusätzlichen Zuhaltung 10. Die Stirnseiten 23 der Bolzen 20 sind bündig zu den Schmalseiten 30 des Schaftes 17 und werden durch in die Bohrung 18 eingesetzte Hülsen 21 am Austreten aus der Bohrung 18 gehindert. Die Hülsen 21 sind beispielsweise durch Presssitz fest in den Bohrungen 18 fixiert. Die Feder 19 drückt die Bolzen 20 an radial vorstehenden Anschlägen 37 gegen jeweils eine in der Bohrung 18 festsitzende Hülse 21. Wird auf die Bolzen 20 in Richtung der Pfeile 38 eine Kraft ausgeübt, die grösser ist als die Federkraft der Feder 27 können die Bolzen 20 einzeln oder gemeinsam nach innen bewegt werden. Diese Bewegung wird durch Hülsen 22 begrenzt, die jeweils auf das äussere Ende der Bolzen 20 aufgesetzt sind.The control element 19 shown in FIGS. 4 and 5 is inserted into a continuous bore 18, this bore being transverse to the longitudinal direction of the shaft 17 and parallel extends to the broad sides 36 of the key 16. The control element 19 has two bolts 20, between which a compression spring 27 is arranged, which has a significantly higher spring force than the spring 11 of the additional tumbler 10. The end faces 23 of the bolts 20 are flush with the narrow sides 30 of the shaft 17 and prevented from emerging from the bore 18 by sleeves 21 inserted into the bore 18. The sleeves 21 are fixed, for example, by a press fit in the bores 18. The spring 19 presses the bolts 20 at radially projecting stops 37 against a sleeve 21 which is stuck in the bore 18. If a force is exerted on the bolts 20 in the direction of the arrows 38 which is greater than the spring force of the spring 27, the bolts 20 can be moved inwards individually or together. This movement is limited by sleeves 22, which are each placed on the outer end of the bolts 20.

Die Wirkungsweise des Steuerelements 19 wird nachfolgend anhand der Fig. 2 und 3 näher erläutert. Zur Drehfreigabe des Rotors 3 wird der Schlüsselschaft 16 wie üblich in den Schlüsselkanal 4 eingesetzt. Hierbei werden die üblichen Zuhaltungen wie bekannt eingeordnet. Die zusätzliche Stiftzuhaltung 10 wird wie in Fig. 2 gezeigt durch das Steuerelement 19 eingeordnet. Der Kernstift 13 liegt an der Stirnseite 23 des Bolzens 20 an und wird radial auf die zur Freigabe des Rotors 3 erforderliche Höhe angehoben. Da wie erwähnt die Feder 27 wesentlich stärker ist als die Feder 11 der Stiftzuhaltung, wird der Bolzen 20 des Steuerelementes 19 beim Einordnen der Zuhaltung 10 im wesentlichen nicht bewegt.The mode of operation of the control element 19 is explained in more detail below with reference to FIGS. 2 and 3. To enable the rotor 3 to rotate, the key shaft 16 is inserted into the key channel 4 as usual. The usual tumblers are classified as known. The additional pin tumbler 10 is arranged by the control element 19 as shown in FIG. 2. The core pin 13 rests on the end face 23 of the bolt 20 and is radial to the Release of the rotor 3 required height raised. Since, as mentioned, the spring 27 is substantially stronger than the spring 11 of the pin tumbler, the bolt 20 of the control element 19 is essentially not moved when the tumbler 10 is arranged.

Da nun sämtliche Zuhaltungen eingeordnet sind, kann der Rotor 3 mit dem eingesetzten Schlüssel 16 im Uhrzeigersinn oder Gegenuhrzeigersinn gedreht werden. Wie ersichtlich, greift das äussere Ende des Kernstiftes 13 in die umlaufende Rille 7 des Rotors 3.Since all tumblers are now arranged, the rotor 3 can be turned clockwise or counterclockwise with the key 16 used. As can be seen, the outer end of the core pin 13 engages in the circumferential groove 7 of the rotor 3.

Nach einer Drehung von etwa 45°, also noch bevor der Riegel eines zugehörigen Schlosses betätigt ist, steht ein Bolzen 20 des Steuerelementes 19 an einem Sperrbolzen 6 an. Wird der Rotor 3 weiter in gleicher Drehrichtung gedreht, so wird der Bolzen 20 durch eine Keilfläche 39 des Sperrbolzens 6 gegen die rückstellende Kraft der Feder 27 nach innen bewegt. Da der Bolzen 20 ohne weiteres nach innen ausweichen kann, kann der Rotor 3 über den Sperrbolzen 6 hinweg weiter in gleicher Drehrichtung gedreht werden und der Riegel des Schlosses betätigt werden. Bei einem Schlüssel ohne Steuerelement 19 kann der Rotor 3 auch dann, wenn die zusätzliche Zuhaltung 10 eingeordnet ist, nur bis zu einem der Sperrbolzen 6 gedreht werden, da der Kernstift 13 nach innen nicht ausweichen kann und somit am entsprechenden Sperrbolzen 6 ansteht.After a rotation of approximately 45 °, ie before the bolt of an associated lock is actuated, a bolt 20 of the control element 19 is in contact with a locking bolt 6. If the rotor 3 is rotated further in the same direction of rotation, the bolt 20 is moved inwards by a wedge surface 39 of the locking bolt 6 against the restoring force of the spring 27. Since the bolt 20 can easily move inwards, the rotor 3 can be rotated further beyond the locking bolt 6 in the same direction of rotation and the bolt of the lock can be actuated. In the case of a key without a control element 19, the rotor 3, even if the additional tumbler 10 is arranged, can only be turned up to one of the locking bolts 6, since the core pin 13 does not deflect inwards can and is therefore on the corresponding locking pin 6.

Bei der in Fig. 8 gezeigten Ausführung eines erfindungsgemässen Schlüssels, ist ein Steuerelement 25 durch einen federnden Arm 31 gebildet, dessen freies Ende nach innen in eine Ausnehmung 32 des Schlüsselschaftes 28 ausweichen kann. Auch hier kann der Schlüssel ein Wendeschlüssel oder ein Zackenschlüssel sein. Im Fall eines Wendeschlüssels sind zwei solche Steuerelemente 25 symmetrisch angeordnet. Der federnde Arm 31 ist so ausgebildet, dass er zum Einordnen der zusätzlichen Zuhaltung 10 den Kernstift 13 gegen die Kraft der Feder 11 radial nach aussen auf die erforderliche Höhe anheben kann.In the embodiment of a key according to the invention shown in FIG. 8, a control element 25 is formed by a resilient arm 31, the free end of which can deflect inwards into a recess 32 in the key shaft 28. Here, too, the key can be a reversible key or a prong key. In the case of a reversible key, two such control elements 25 are arranged symmetrically. The resilient arm 31 is designed such that it can raise the core pin 13 radially outward against the force of the spring 11 to the required height in order to arrange the additional tumbler 10.

Bei der Ausführung nach den Fig. 9a und 9b wird ein Steuerelement 26 durch einen federnden Steg 33 gebildet, der eine muldenförmige Ausnehmung 34 überdeckt. Die beiden Enden des federnden Steges 33 sind an entsprechenden Ausnehmungen des Schaftes 29 eingerastet oder mit diesem verlötet. Auch hier ist der Steg 29 so ausgebildet, dass er den Kernstift 13 zur Freigabe des Rotors 3 auf die erforderliche Höhe anheben kann, dass jedoch beim Ueberschreiten eines Sperrbolzens 6 der Kernstift 13 nach innen ausweichen kann.9a and 9b, a control element 26 is formed by a resilient web 33, which covers a trough-shaped recess 34. The two ends of the resilient web 33 are engaged in corresponding recesses in the shaft 29 or are soldered to the latter. Here, too, the web 29 is designed such that it can raise the core pin 13 to the required height in order to release the rotor 3, but that the core pin 13 can deflect inwards when a locking bolt 6 is exceeded.

Die Figuren 10a bis 10e zeigen einen Drehschliesszylinder 50, der mit einem oben beschriebenen Schlüssel 16 bedienbar ist. Dieser unterscheidet sich vom Drehschliesszylinder 1 dadurch, dass in der Radialebene der zusätzlichen Zuhaltung 10 zwei weitere Zuhaltungen 40 angeordnet sind, die jeweils in einer radialen Bohrung 43 des Stators einen Bolzen 41 aus Chromnickelstahl aufweisen, der von einer Druckfeder 42, die vorzugsweise wesentlich härter als die Feder 11 ist, gegen den Rotor gedrückt wird. Diese weiteren Zuhaltungen 40 überprüfen das Steuerelement 19, 25 oder 29, um dadurch Manipulationen zu verhindern. Die Wirkungsweise der weiteren Zuhaltungen 40 wird nachfolgend anhand der Figuren 10a bis 10c erläutert.Figures 10a to 10e show a rotary lock cylinder 50 which can be operated with a key 16 described above. This differs from the rotary lock cylinder 1 in that two additional tumblers 40 are arranged in the radial plane of the additional tumbler 10, each of which has a bolt 41 made of chromium-nickel steel in a radial bore 43 of the stator, which is provided by a compression spring 42, which is preferably much harder than the spring 11 is pressed against the rotor. These further tumblers 40 check the control element 19, 25 or 29 in order to thereby prevent manipulation. The mode of operation of the additional tumblers 40 is explained below with reference to FIGS. 10a to 10c.

In der Anordnung nach Fig. 10a ist in den Schlüsselkanal 4 der oben beschriebene Schlüssel 16 eingesetzt. Die zusätzliche Zuhaltung 10 und die üblichen hier nicht gezeigten Zuhaltungen sind eingeordnet, so dass der Rotor in die in Fig. 10b und schliesslich in die in Fig. 10c gezeigte Drehstellung gedreht werden kann. In der Drehstellung nach Fig. 10c wird der Kernstift 13 durch den Bolzen 41 der zusätzlichen Zuhaltung 40 radial nach innen gegen einen Stift 20 des Steuerelementes 19 gedrückt. Die Feder 27 ist nun härter als die Feder 42 der zusätzlichen Zuhaltung 40, so dass der Rotor über diese Stellung hinaus gedreht und das Schloss schliesslich geöffnet werden kann.In the arrangement according to FIG. 10 a, the key 16 described above is inserted into the key channel 4. The additional tumbler 10 and the usual tumblers not shown here are arranged so that the rotor can be rotated into the rotational position shown in FIG. 10b and finally into the rotational position shown in FIG. 10c. In the rotational position according to FIG. 10c, the core pin 13 is pressed radially inward against a pin 20 of the control element 19 by the bolt 41 of the additional tumbler 40. The spring 27 is now harder than the spring 42 of the additional tumbler 40, so that the rotor can be rotated beyond this position and the lock can finally be opened.

In der Anordnung nach Fig. 10d ist ein Manipulationsschlüssel 51 in den Schlüsselkanal eingesetzt und es ist angenommen, dass mit diesem die üblichen Zuhaltungen und auch die zusätzliche Zuhaltung 10 eingeordnet werden können. Ebenfalls wird angenommen, dass der Kernstift 13 zur Ueberwindung des Sperrstiftes 6 radial nach innen in eine Vertiefung 53 des Schlüssels 51 bewegt werden kann. Erreicht nun das Rohr die Drehstellung, in welcher die Bohrung 43 und die Bohrung 44 fluchten, so wird der Bolzen 41 durch die Feder 42 nach innen bewegt und rastet in der Bohrung 44 des Rohrs ein, der dadurch gesperrt ist und zum Oeffnen des Schlosses nicht weiter gedreht werden kann. Die Fig. 10e zeigt die Anordnung, in welcher der Bolzen 41 die Scherlinie 14 übertreten hat und ein Weiterdrehen des Rotors verhindert. Der Manipulationsschlüssel 51 ist hier ebenfalls gesperrt und kann vom Drehschliesszylinder nicht mehr abgezogen werden.In the arrangement according to FIG. 10d, a manipulation key 51 is inserted into the key channel and it is assumed that with this the usual tumblers and also the additional tumbler 10 can be classified. It is also assumed that the core pin 13 can be moved radially inward into a recess 53 of the key 51 in order to overcome the locking pin 6. If the tube now reaches the rotational position in which the bore 43 and the bore 44 are aligned, the bolt 41 is moved inwards by the spring 42 and engages in the bore 44 of the tube, which is thereby blocked and does not open the lock can be rotated further. 10e shows the arrangement in which the bolt 41 has crossed the shear line 14 and prevents the rotor from rotating further. The manipulation key 51 is also locked here and can no longer be removed from the rotary lock cylinder.

Claims (15)

Schlüssel und Drehschliesszylinder für ein Sicherheitsschloss, mit wenigstens einem im Schaft (17) des Schlüssels (16) angeordneten Steuerelement (19,25,26) zum Einordnen einer zusätzlichen Zuhaltung (10) des Drehschliesszylinders, dadurch gekennzeichnet, dass das Steuerelement (19,25,26) gegen eine Rückstellkraft radial verschiebbar ist, wobei die Rückstellkraft grösser ist als diejenige der zusätzlichen Zuhaltung (10) und dass im Stator (2) im Abstand zur zusätzlichen Zuhaltung (10) wenigstens ein Sperrelement (6) angeordnet ist, das die Scherlinie (14) zwischen dem Stator (2) und dem Rotor (3) überschreitet und das in einer bestimmten Drehstellung des Rotors (3) das Steuerelement (19,25,26) mit dem Kernstift (13) der zusätzlichen Zuhaltung (10) radial gegen die genannte Rückstellkraft auslenkt.Key and rotary lock cylinder for a security lock, with at least one control element (19, 25, 26) arranged in the shaft (17) of the key (16) for arranging an additional tumbler (10) of the rotary lock cylinder, characterized in that the control element (19, 25 , 26) can be displaced radially against a restoring force, the restoring force being greater than that of the additional tumbler (10) and that at least one locking element (6) is arranged in the stator (2) at a distance from the additional tumbler (10), which the shear line (14) between the stator (2) and the rotor (3) and that in a certain rotational position of the rotor (3) the control element (19, 25, 26) with the core pin (13) of the additional tumbler (10) radially against deflects the restoring force. Schlüssel nach Anspruch 1, dadurch gekennzeichnet, dass der Rotor (3) eine umlaufende Rille (7) aufweist, in welche das Sperrelement (6) eingreift.Key according to claim 1, characterized in that the rotor (3) has a circumferential groove (7) into which the locking element (6) engages. Schlüssel nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Sperrelement (6) in eine radiale Bohrung (15) des Stators (2) eingesetzt ist.Key according to claim 1 or 2, characterized in that the locking element (6) is inserted into a radial bore (15) of the stator (2). Schlüssel nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Sperrelement (6) ein Bolzen ist.Key according to one of claims 1 to 3, characterized in that the locking element (6) is a bolt. Schlüssel nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass zwei Sperrelemente (6) vor und nach der zusätzlichen Zuhaltung (10) vorgesehen sind.Key according to one of claims 1 to 4, characterized in that two locking elements (6) are provided before and after the additional tumbler (10). Schlüssel nach Anspruch 5, dadurch gekennzeichnet, dass die Sperrelemente (6) in Drehrichtung jeweils um etwa 45° zur zusätzlichen Zuhaltung (10) versetzt sind.Key according to claim 5, characterized in that the locking elements (6) are each offset in the direction of rotation by about 45 ° to the additional tumbler (10). Schlüssel für einen Drehschliesszylinder mit einer zusätzlichen Zuhaltung insbesondere nach Anspruch 1, dadurch gekennzeichnet, dass im Schaft (27-29) ein Steuerelement (19,25,26) angeordnet ist, das gegen eine Rückstellkraft quer zur Längsrichtung des Schaftes nach innen verschiebbar ist.Key for a rotary lock cylinder with an additional tumbler, in particular according to claim 1, characterized in that a control element (19, 25, 26) is arranged in the shaft (27-29) and can be displaced inward against a restoring force transversely to the longitudinal direction of the shaft. Schlüssel nach Anspruch 7, dadurch gekennzeichnet, dass das Steuerelement (19) zwei Bolzen (20) aufweist, deren Stirnflächen (23) jeweils mit einer Aussenfläche (30) des Schaftes (27) bündig sind.Key according to claim 7, characterized in that the control element (19) has two bolts (20), the end faces (23) of which are each flush with an outer surface (30) of the shaft (27). Schlüssel nach Anspruch 8, dadurch gekennzeichnet, dass die Aussenflächen (30) an den Schmalseiten des Schlüsselschaftes (27) vorgesehen sind.Key according to claim 8, characterized in that the outer surfaces (30) are provided on the narrow sides of the key shaft (27). Schlüssel nach Anspruch 7, dadurch gekennzeichnet, dass das Steuerelement (25) eine federnde Zunge (31) aufweist, die nach innen in eine Ausnehmung (32) des Schlüsselschaftes (28) ausweichen kann.Key according to claim 7, characterized in that the control element (25) has a resilient tongue (31) which can deflect inwards into a recess (32) in the key shaft (28). Schlüssel nach Anspruch 7, dadurch gekennzeichnet, dass das Steuerelement (26) einen federnden Steg (33) aufweist, der nach innen in eine Ausnehmung (34) des Schaftes (29) auslenkbar ist.Key according to claim 7, characterized in that the control element (26) has a resilient web (33) which can be deflected inwards into a recess (34) in the shaft (29). Schlüssel nach Anspruch 7, dadurch gekennzeichnet, dass der Schlüssel ein Flach- oder Wendeschlüssel ist und dass in entsprechend symmetrische Anordnung zwei Steuerelemente (19,25,26) im Schlüsselschaft angeordnet sind.Key according to claim 7, characterized in that the key is a flat or reversible key and that two control elements (19, 25, 26) are arranged in the key shaft in a correspondingly symmetrical arrangement. Drehschliesszylinder für einen Schlüssel, der im Schaft (17) ein Steuerelement (19, 25, 26) aufweist, das gegen eine Rückstellkraft quer zur Längsrichtung des Schaftes (17) nach innen verschiebbar ist, dadurch gekennzeichnet, dass im Stator (2) ein Sperrelement (6) angeordnet ist, das die Scherlinie (14) überschreitet, und dass nach diesem Sperrelement (6) im Stator (2) in gleicher Radialebene eine weitere Zuhaltung (40) angeordnet ist, die einer vor dem Sperrelement (6) angeordneten zusätzliche Zuhaltung (10) entspricht und welche den Kernstift (13) der zusätzlichen Zuhaltung (10) nochmals prüft.Rotary lock cylinder for a key, which has a control element (19, 25, 26) in the shaft (17), which can be moved inwards against a restoring force transversely to the longitudinal direction of the shaft (17), characterized in that a locking element in the stator (2) (6) is arranged, which exceeds the shear line (14), and that after this blocking element (6) in the stator (2) in the same radial plane a further tumbler (40) is arranged, which is an additional tumbler arranged in front of the blocking element (6) (10) corresponds and which checks the core pin (13) of the additional tumbler (10) again. Drehschliesszylinder nach Anspruch 13, dadurch gekennzeichnet, dass der Gehäusestift (41) der weiteren Zuhaltung (40) von einer Druckfeder (42) beaufschlagt ist, die wesentlich härter ist als die entsprechende Feder (11) der zusätzlichen Zuhaltung (10).Rotary lock cylinder according to claim 13, characterized in that the housing pin (41) of the further tumbler (40) is acted upon by a compression spring (42) which is considerably harder than the corresponding spring (11) of the additional tumbler (10). Drehschliesszylinder nach Anspruch 13 oder 14, dadurch gekennzeichnet, dass in der gleichen Radialebene von und nach der zusätzlichen Zuhaltung (10) jeweils ein Sperrelement (6) und eine weitere Zuhaltung (40) angeordnet sind.Rotary lock cylinder according to claim 13 or 14, characterized in that a blocking element (6) and a further tumbler (40) are arranged in the same radial plane from and after the additional tumbler (10).
EP19910810633 1990-08-22 1991-08-13 Key and rotary cylinder for a safety lock Expired - Lifetime EP0472495B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH2727/90 1990-08-22
CH272790 1990-08-22
CH9891A CH682937A5 (en) 1991-01-15 1991-01-15 Key and cylinder for safety lock
CH98/91 1991-01-15

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EP0472495A1 true EP0472495A1 (en) 1992-02-26
EP0472495B1 EP0472495B1 (en) 1994-07-20

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EP (1) EP0472495B1 (en)
JP (1) JP3215707B2 (en)
AT (1) ATE108852T1 (en)
AU (1) AU640035B2 (en)
BR (1) BR9103533A (en)
CA (1) CA2048180C (en)
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WO2000022263A1 (en) * 1998-10-15 2000-04-20 Cisa S.P.A. Cylinder lock with effraction-resistant device
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AU764963B2 (en) * 1998-10-15 2003-09-04 Cisa S.P.A. Cylinder lock with effraction-resistant device
US7218202B2 (en) 2000-11-16 2007-05-15 Mu Hua Investment Limited Biometric key
DE102004011879A1 (en) * 2004-03-11 2005-09-29 Aug. Winkhaus Gmbh & Co. Kg Locking cylinder for security lock operated by key with pattern of depressions in flat sides has mushroom-headed pins of same size and shape spaced at irregular intervals plus additional pin
WO2006137070A1 (en) * 2005-06-23 2006-12-28 Mul-T-Lock Technologies Ltd. Slanted key combination element in key blank and key
WO2014127810A1 (en) * 2013-02-20 2014-08-28 Ernst Keller Multi-piece key tip

Also Published As

Publication number Publication date
EP0472495B1 (en) 1994-07-20
FI913773A0 (en) 1991-08-08
FI94159B (en) 1995-04-13
DE59102236D1 (en) 1994-08-25
AU8258191A (en) 1992-02-27
CA2048180A1 (en) 1992-02-23
BR9103533A (en) 1992-05-12
AU640035B2 (en) 1993-08-12
DK0472495T3 (en) 1994-09-05
FI94159C (en) 1995-07-25
CA2048180C (en) 2001-03-06
FI913773A (en) 1992-02-23
ATE108852T1 (en) 1994-08-15
JPH04250282A (en) 1992-09-07
JP3215707B2 (en) 2001-10-09
ES2056618T3 (en) 1994-10-01
US5437176A (en) 1995-08-01

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