EP0763639B1 - Pin tumbler and lock cylinder with such a pin tumbler - Google Patents

Pin tumbler and lock cylinder with such a pin tumbler Download PDF

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Publication number
EP0763639B1
EP0763639B1 EP96810552A EP96810552A EP0763639B1 EP 0763639 B1 EP0763639 B1 EP 0763639B1 EP 96810552 A EP96810552 A EP 96810552A EP 96810552 A EP96810552 A EP 96810552A EP 0763639 B1 EP0763639 B1 EP 0763639B1
Authority
EP
European Patent Office
Prior art keywords
bolt
tip
pin
lock
bolt head
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
EP96810552A
Other languages
German (de)
French (fr)
Other versions
EP0763639A1 (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
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0763639A1 publication Critical patent/EP0763639A1/en
Application granted granted Critical
Publication of EP0763639B1 publication Critical patent/EP0763639B1/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
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0003—Details
    • E05B27/0017—Tumblers or pins
    • E05B27/0021—Tumblers or pins having movable parts

Definitions

  • the invention relates to a locking pin for a rotary lock cylinder according to the preamble of claim 1.
  • Locking bolts of this type have been known for a long time. you will be also called core pins and form in a rotary lock cylinder the part of the tumblers in a radial stepped bore of the rotor is mounted. Such locking bolts are known for example from the applicant's WO 87/05654 become. These each have a sleeve-shaped sliding element on that a fixation of the locking pin during a pressure test difficult. The security of rotary lock cylinders is also affected by the so-called "electric picking".
  • the inventor has set himself the task of the named to make unauthorized unlock attempts impossible or at least to complicate significantly.
  • the task is according to the invention solved with a locking pin according to claim 1.
  • the locking pin 1 shown in the drawing has one Bolt head 3, in which a bolt tip 2 and a Pin 9 are slidably mounted.
  • the pin tip 2 has a cone-shaped projection 16 on which this in a Longitudinal bore 5 of the bolt head 3 limited longitudinally displaceable is.
  • a compression spring 8 is on the bolt head 3 and on one Back 19 of the bolt tip 2 supported and holds the Tip 2 in the outer position shown, which by a stop of an annular extension 7 on a Shoulder 17 is defined.
  • the shoulder 17 is replaced by a annular recess 6 in the inside of the bore 5 educated.
  • the pin tip 2 can against the retroactive Force of the spring 8 from the outer position shown in the bore 5 into it up to a stop on the rear side 19 the tip 2 are moved to the bottom 21 of the bore 5.
  • the force of the spring 8 is much smaller than the force the usual housing spring, not shown here, which the associated housing pin acted on the back.
  • the bolt head 3 So that the bolt tip 2 is inserted into the bolt head 3 can be and is captively connected to it, the bolt head 3 according to FIG. 3 has four slots 15, which form radially resilient tabs 20.
  • the Bolt tip 2 in the bore 5 becomes the annular approach 7 snapped into the recess 6 with the flaps 20 spread.
  • the pin tip 2 is thus securely in the pin head 3 kept and also is a simple and automatable Assembly possible.
  • the pin 9 In the cone-shaped projection 16 there is a blind hole on the back 12 incorporated into which a pin 9 engages, the stored in a further bore 11 of the bolt head 3 is.
  • the pin is in the position shown in FIG. 1 by the compression spring 10 with a shoulder 14 of a head 13 created at the bottom 21 of the bore 5. In this position the pin 9 protrudes over the rear side 4 of the bolt head 3 out.
  • the pin 9 is essential by the action of stronger housing spring sunk and the back 23 of the pin 9 is flush with the rear 4 of the bolt head 3.
  • the pin 9 has a normal operation of the Lock cylinder has no effect and only serves as Locking element in the event of an unauthorized attempt to unlock the door.
  • the locking pin 1 works at intended use thus essentially as a conventional Locking bolt. If there is an unauthorized attempt to unlock the door vibrated on the pin tip 2, so this movement is essentially not on the back 4 of the bolt head 3 transmitted and is therefore ineffective.
  • a rotary lock cylinder can have one or more locking bolts 1, but preferably there are several locking bolts 1 of a cylinder designed according to the invention.

Landscapes

  • Lock And Its Accessories (AREA)
  • Actuator (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)

Description

Die Erfindung betrifft einen Sperrbolzen für einen Drehschliesszylinder nach dem Oberbegriff des Anspruchs 1.The invention relates to a locking pin for a rotary lock cylinder according to the preamble of claim 1.

Sperrbolzen dieser Art sind seit langem bekannt. Sie werden auch Kernstifte genannt und bilden in einem Drehschliesszylinder den Teil der Zuhaltungen, der in einer radialen Stufenbohrung des Rotors gelagert ist. Solche Sperrbolzen sind beispielsweise durch die WO 87/05654 des Anmelders bekannt geworden. Diese weisen jeweils ein hülsenförmiges Schiebeelement auf, das ein Fixieren des Sperrbolzens bei einem Andrückversuch erschwert. Die Sicherheit von Drehschliesszylindern ist auch durch das sogenannte "Elektropicken" beeinträchtigt. Bei diesem wird mit einem Werkzeug der Rotor um seine Drehachse mit einem bestimmten Drehmoment gespannt und gleichzeitig werden die Zuhaltungen durch Vibration radial nach aussen bewegt, bis sämtliche Gehäusestifte hinter der durch die Verdrehung des Rotors gebildeten Schulter liegen und der Rotor schliesslich zur Drehung freigegeben ist. Solche unbefugten Aufsperrversuche beeinträchtigen die Aufsperrsicherheit von Drehschliesszylindern. Unter Aufsperrsicherheit versteht der Fachmann den Grad der Erschwerung, die Zuhaltungen eines Drehschliesszylinders gewaltlos mit Hilfsmitteln ohne Kenntnis des zugehörigen Schlüssels zerstörungsfrei zu überwinden. Bei der genannten WO 87/05654 wird ein solcher Aufsperrversuch verhindert, indem am Bolzenkopf ein Sperrstift gelagert ist oder gemäss Fig. 4 ein Schiebeelement aufweist, der bzw. das verhindert, dass der Rotor durch Separierung von Kern- und Gehäusestift geöffnet werden kann.Locking bolts of this type have been known for a long time. you will be also called core pins and form in a rotary lock cylinder the part of the tumblers in a radial stepped bore of the rotor is mounted. Such locking bolts are known for example from the applicant's WO 87/05654 become. These each have a sleeve-shaped sliding element on that a fixation of the locking pin during a pressure test difficult. The security of rotary lock cylinders is also affected by the so-called "electric picking". This rotates the rotor with a tool its axis of rotation clamped with a certain torque and at the same time, the tumblers become radial due to vibration moved outwards until all housing pins are behind the lying shoulder formed by the rotation of the rotor and the rotor is finally released for rotation. Such Unauthorized unlocking attempts affect security of rotary lock cylinders. Under unlocked security the skilled person understands the degree of aggravation that Tumblers of a rotary lock cylinder non-violently with aids non-destructive without knowing the associated key to overcome. In the mentioned WO 87/05654 Such an attempt to unlock is prevented by using the bolt head a locking pin is mounted or a sliding element according to FIG. 4 which prevents the rotor can be opened by separating the core and housing pins can.

Der Erfinder hat sich die Aufgabe gestellt, die genannten unbefugten Aufsperrversuche zu verunmöglichen oder wenigstens wesentlich zu erschweren. Die Aufgabe ist erfindungsgemäss bei einem genannten Sperrbolzen gemäss Anspruch 1 gelöst.The inventor has set himself the task of the named to make unauthorized unlock attempts impossible or at least to complicate significantly. The task is according to the invention solved with a locking pin according to claim 1.

Vorteilhafte Weiterbildungen ergeben sich aus den abhängigen Patentansprüchen und der nachfolgenden Beschreibung sowie der Zeichnung.Advantageous further developments result from the dependent ones Claims and the following description as well the drawing.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:

Figur 1
einen Längsschnitt durch einen erfindungsgemässen Sperrbolzen,
Figur 2
eine Ansicht eines Teils des Sperrbolzens,
Figur 3
einen Schnitt durch den Bolzenkopf, und
Figur 4
einen Schnitt durch die Bolzenspitze.
An embodiment of the invention is explained below with reference to the drawing. Show it:
Figure 1
2 shows a longitudinal section through a locking bolt according to the invention,
Figure 2
a view of part of the locking pin,
Figure 3
a section through the bolt head, and
Figure 4
a cut through the tip of the bolt.

Der in der Zeichnung gezeigte Sperrbolzen 1 weist einen Bolzenkopf 3 auf, in dem eine Bolzenspitze 2 sowie ein Stift 9 verschiebbar gelagert sind. Die Bolzenspitze 2 besitzt einen zapfenförmigen Ansatz 16, an dem diese in einer Längsbohrung 5 des Bolzenkopfes 3 begrenzt längsverschiebbar ist. Eine Druckfeder 8 ist am Bolzenkopf 3 und an einer Rückseite 19 der Bolzenspitze 2 abgestützt und hält die Spitze 2 in der gezeigten äusseren Stellung, welche durch einen Anschlag eines ringförmigen Ansatzes 7 an einer Schulter 17 definiert ist. Die Schulter 17 wird durch eine ringförmige Ausnehmung 6 in der Innenseite der Bohrung 5 gebildet. Die Bolzenspitze 2 kann gegen die rückwirkende Kraft der Feder 8 aus der gezeigten äusseren Stellung in die Bohrung 5 hinein bis zu einem Anschlag der Rückseite 19 der Spitze 2 am Boden 21 der Bohrung 5 verschoben werden. Die Kraft der Feder 8 ist wesentlich kleiner als die Kraft der hier nicht gezeigten üblichen Gehäusefeder, welche den zugehörigen Gehäusestift rückseitig beaufschlagt.The locking pin 1 shown in the drawing has one Bolt head 3, in which a bolt tip 2 and a Pin 9 are slidably mounted. The pin tip 2 has a cone-shaped projection 16 on which this in a Longitudinal bore 5 of the bolt head 3 limited longitudinally displaceable is. A compression spring 8 is on the bolt head 3 and on one Back 19 of the bolt tip 2 supported and holds the Tip 2 in the outer position shown, which by a stop of an annular extension 7 on a Shoulder 17 is defined. The shoulder 17 is replaced by a annular recess 6 in the inside of the bore 5 educated. The pin tip 2 can against the retroactive Force of the spring 8 from the outer position shown in the bore 5 into it up to a stop on the rear side 19 the tip 2 are moved to the bottom 21 of the bore 5. The force of the spring 8 is much smaller than the force the usual housing spring, not shown here, which the associated housing pin acted on the back.

Damit die Bolzenspitze 2 in den Bolzenkopf 3 eingesetzt werden kann und mit diesem unverlierbar verbunden ist, weist der Bolzenkopf 3 gemäss Figur 3 vier Schlitze 15 auf, welche radial federnde Lappen 20 bilden. Beim Einsetzen der Bolzenspitze 2 in die Bohrung 5 wird der ringförmige Ansatz 7 unter Spreizung der Lappen 20 in die Ausnehmung 6 eingerastet. Die Bolzenspitze 2 ist damit sicher im Bolzenkopf 3 gehalten und zudem ist eine einfache und automatisierbare Montage möglich.So that the bolt tip 2 is inserted into the bolt head 3 can be and is captively connected to it, the bolt head 3 according to FIG. 3 has four slots 15, which form radially resilient tabs 20. When inserting the Bolt tip 2 in the bore 5 becomes the annular approach 7 snapped into the recess 6 with the flaps 20 spread. The pin tip 2 is thus securely in the pin head 3 kept and also is a simple and automatable Assembly possible.

In den zapfenförmigen Ansatz 16 ist rückseitig eine Sackbohrung 12 eingearbeitet, in die ein Stift 9 eingreift, der in einer weiteren Bohrung 11 des Bolzenkopfs 3 gelagert ist. In der in Figur 1 gezeigten Stellung ist der Stift 9 durch die Druckfeder 10 mit einer Schulter 14 eines Kopfes 13 am Boden 21 der Bohrung 5 angelegt. In dieser Stellung ragt der Stift 9 über die Rückseite 4 des Bolzenkopfs 3 hinaus. Ist der Sperrbolzen 1 in einen Drehschleisszylinder eingesetzt, so ist der Stift 9 durch die Wirkung der wesentlich stärkeren Gehäusefeder versenkt und die Rückseite 23 des Stifts 9 ist bündig mit der Rückseite 4 des Bolzenkopfs 3. Der Stift 9 hat bei einer üblichen Betätigung des Schliesszylinders keine Wirkung und dient lediglich als Sperrelement bei einem unbefugten Aufsperrversuch. Hierzu wird auch auf die oben genannte WO 87/05654 verwiesen. Denkbar ist auch eine Ausführung, bei welcher dieser Sperrstift 9 weggelassen ist. Im Bolzenkopf 3 sind dann entsprechend die Bohrung 11 und in der Bolzenspitze 2 die Bohrung 12 sowie die Druckfeder 10 weggelassen.In the cone-shaped projection 16 there is a blind hole on the back 12 incorporated into which a pin 9 engages, the stored in a further bore 11 of the bolt head 3 is. The pin is in the position shown in FIG. 1 by the compression spring 10 with a shoulder 14 of a head 13 created at the bottom 21 of the bore 5. In this position the pin 9 protrudes over the rear side 4 of the bolt head 3 out. Is the locking pin 1 in a rotary wear cylinder used, the pin 9 is essential by the action of stronger housing spring sunk and the back 23 of the pin 9 is flush with the rear 4 of the bolt head 3. The pin 9 has a normal operation of the Lock cylinder has no effect and only serves as Locking element in the event of an unauthorized attempt to unlock the door. For this reference is also made to the above-mentioned WO 87/05654. An embodiment is also conceivable in which this locking pin 9 is omitted. In the bolt head 3 are then accordingly the bore 11 and in the bolt tip 2 the bore 12 and the compression spring 10 omitted.

Wird bei eingesetztem Sperrbolzen 1 ein zugehöriger Schlüssel in den Schlüsselkanal des Rotors eingesetzt, so wird zunächst die Bolzenspitze 2 im Bolzenkopf 3 soweit verschoben, bis ihre Rückseite 19 am Boden 21 der Bohrung 5 ansteht. Anschliessend wird der Bolzenkopf 3 zur Einordnung des Gehäusestiftes radial nach aussen verschoben. Hierbei liegt der Gehäusestift an der Rückseite 4 des Bolzenkopfs 3 an. Der Stift 9 ist dabei im Bolzenkopf 3 versenkt und ist wie erwähnt ohne Wirkung. Der Sperrbolzen 1 arbeitet bei vorgesehener Verwendung somit im wesentlichen wie ein üblicher Sperrbolzen. Wird bei einem unbefugten Aufsperrversuch auf die Bolzenspitze 2 eine Vibrationsbewegung ausgeübt, so wird diese Bewegung im wesentlichen nicht auf die Rückseite 4 des Bolzenkopfs 3 übertragen und ist damit wirkungslos.If an associated key is used when the locking pin 1 is inserted inserted into the key channel of the rotor first the bolt tip 2 in the bolt head 3 is shifted so far, until its back 19 is against the bottom 21 of the bore 5. Then the bolt head 3 is classified of the housing pin moved radially outwards. in this connection the housing pin is on the back 4 of the bolt head 3 on. The pin 9 is sunk in the bolt head 3 and is as mentioned without effect. The locking pin 1 works at intended use thus essentially as a conventional Locking bolt. If there is an unauthorized attempt to unlock the door vibrated on the pin tip 2, so this movement is essentially not on the back 4 of the bolt head 3 transmitted and is therefore ineffective.

Ein Drehschliesszylinder kann einen oder mehrere Sperrbolzen 1 aufweisen, vorzugsweise sind aber mehrere Sperrbolzen 1 eines Zylinders erfindungsgemäss ausgebildet.A rotary lock cylinder can have one or more locking bolts 1, but preferably there are several locking bolts 1 of a cylinder designed according to the invention.

Claims (9)

  1. A lock bolt for a rotary closure cylinder of a safety lock, having a bolt tip (2) and a bolt head (3) that is intended to be placed with its back end (4) against a housing pin for the insertion of the housing pin, characterized in that the bolt tip (2) is supported on the bolt head (3) so that it can slide in a limited fashion between an inner and an outer position, wherein a spring element (8) is supported in the bolt head (3) and in the outer position, secures the bolt tip (2) in a position of repose.
  2. The lock bolt according to claim 1, wherein the bolt head (3) has a longitudinal bore (5) in which the bolt tip (2) is supported so that it can slide.
  3. The lock bolt according to claim 2, wherein the longitudinal bore (5) is a blind bore against whose bottom (21) the bolt tip (2) presses in the inner position.
  4. The lock bolt according to claim 2, wherein the longitudinal bore (5) has a lateral recess (6) in which a projection (7) of the bolt tip (2) is engaged in detent fashion.
  5. The lock bolt according to claim 1, wherein the bolt tip (2) can be slid from the outer position into an inner position counter to the force of the spring element (8).
  6. The lock bolt according to claim 1, wherein a locking pin (9) is supported in the bolt head (3), protrudes out the back end (4) of the bolt head (3), and can be lowered counter to the opposing force of a spring element (10) in the bolt head (3).
  7. The lock bolt according to claim 6, wherein the spring element (10) acting on the pin (9) is disposed in a longitudinal bore (12) of the bolt tip (2).
  8. The lock bolt according to claim 7, wherein the longitudinal bore (12) of the bolt tip (2) is let into a peg-shaped projection (16) of the bolt tip (2).
  9. A rotary closure cylinder with at least one lock bolt according to claim 1.
EP96810552A 1995-09-15 1996-08-21 Pin tumbler and lock cylinder with such a pin tumbler Expired - Lifetime EP0763639B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH260795 1995-09-15
CH260795 1995-09-15
CH2607/95 1995-09-15

Publications (2)

Publication Number Publication Date
EP0763639A1 EP0763639A1 (en) 1997-03-19
EP0763639B1 true EP0763639B1 (en) 2004-09-15

Family

ID=4237575

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96810552A Expired - Lifetime EP0763639B1 (en) 1995-09-15 1996-08-21 Pin tumbler and lock cylinder with such a pin tumbler

Country Status (7)

Country Link
EP (1) EP0763639B1 (en)
AR (1) AR003593A1 (en)
AT (1) ATE276416T1 (en)
AU (1) AU711775B2 (en)
BR (1) BR9603762A (en)
DE (1) DE59611085D1 (en)
ES (1) ES2227576T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20040078A1 (en) * 2004-02-18 2004-05-18 Cisa Spa LOCK WITH ANTI-TAMPERING DEVICES AND RELATED KEY
ITTO20120466A1 (en) * 2012-05-30 2013-12-01 Mottura Serrature Di Sicurezza SAFETY LOCK
EP3103943A1 (en) 2015-06-11 2016-12-14 Rav Bariach (08) Industries Ltd. Improved lock

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2158501A (en) * 1938-08-03 1939-05-16 Independent Lock Co Tumbler lock
DE2038039A1 (en) * 1970-07-31 1972-02-10 Josef Voss KG, 5040 Bruhl Lock cylinder
JPS5844832B2 (en) * 1979-12-28 1983-10-05 株式会社 ゴ−ル pin tumbler lock
DE8534096U1 (en) * 1985-12-04 1986-01-30 Percic, Mladen, 6000 Frankfurt Cylinder lock with a locking device
CH669632A5 (en) * 1986-03-13 1989-03-31 Ernst Keller
AT395262B (en) * 1989-05-31 1992-11-10 Evva Werke Cylinder lock for flat keys and an associated key
US5222383A (en) * 1992-05-08 1993-06-29 Tong-Lung Metal Industry Co., Ltd. Cylinder lock

Also Published As

Publication number Publication date
AU711775B2 (en) 1999-10-21
ES2227576T3 (en) 2005-04-01
AR003593A1 (en) 1998-08-05
ATE276416T1 (en) 2004-10-15
DE59611085D1 (en) 2004-10-21
BR9603762A (en) 1998-06-02
AU6562296A (en) 1997-03-20
EP0763639A1 (en) 1997-03-19

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