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EP1746226B1 - Key - Google Patents

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Publication number
EP1746226B1
EP1746226B1 EP06115200A EP06115200A EP1746226B1 EP 1746226 B1 EP1746226 B1 EP 1746226B1 EP 06115200 A EP06115200 A EP 06115200A EP 06115200 A EP06115200 A EP 06115200A EP 1746226 B1 EP1746226 B1 EP 1746226B1
Authority
EP
European Patent Office
Prior art keywords
key
lock
recess
recesses
flanks
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.)
Not-in-force
Application number
EP06115200A
Other languages
German (de)
French (fr)
Other versions
EP1746226A3 (en
EP1746226A2 (en
Inventor
Götz Kamm
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.)
Aug Winkhaus GmbH and Co KG
Original Assignee
Aug Winkhaus GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aug Winkhaus GmbH and Co KG filed Critical Aug Winkhaus GmbH and Co KG
Priority to PL06115200T priority Critical patent/PL1746226T3/en
Priority to SI200631566T priority patent/SI1746226T1/en
Publication of EP1746226A2 publication Critical patent/EP1746226A2/en
Publication of EP1746226A3 publication Critical patent/EP1746226A3/en
Application granted granted Critical
Publication of EP1746226B1 publication Critical patent/EP1746226B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0017—Key profiles
    • E05B19/0023—Key profiles characterized by variation of the contact surface between the key and the tumbler pins or plates
    • 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

Definitions

  • the invention relates to a key for a lock cylinder with a key back and a key bridge having shaft and with a number of keyhole arranged in the notch-shaped locking recesses for supporting pin tumblers wherein the closing recesses forming flanks are divided above a designated depth of the respective locking recess in sections.
  • Such a key is from the FR 25 35 37 6 known.
  • the Schlie ⁇ recesses forming flanks above a designated Tie Fe of the respective Schlie ⁇ ausmechmungen are divided into sections.
  • a key and a lock cylinder are out of the DE 27 36 331 B2 known.
  • the locking recesses forming flanks are inclined by an intended angle to the central axis of the locking recess.
  • Such keys have gradations of the closing recesses, the stage one, for example, corresponds to a small depth of the locking recess and the stage eight a particularly large depth of the locking recess.
  • the invention is based on the problem, a key of the type mentioned in such a way that it allows the largest possible number of privacy secrets.
  • the closing recesses have a profile in the manner of a Christmas tree above a planned depth. This leads to the flanks of a particularly deep closing recess to the key breast reduce the width of the closing recess from section to section. Compared to the known key, the width of deep locking recesses is smaller in the key according to the invention, when the angle of the flanks of the individual sections of the locking recesses of the key according to the invention and the angle of the flanks of the locking recesses of the known key are the same. Another advantage of this design is that the key through the various sections is very difficult to copy.
  • edges of pin tumblers slide in a particularly low-friction manner along the flanks of the locking recesses when an edge provided for supporting the pin tumbler of the lock cylinder is arranged between the transition surface and the adjacent section.
  • the key according to the invention is structurally particularly simple if the sections divide the flanks of the closing recess in a staircase.
  • the locking recesses of the key according to the invention have a uniform friction against the pin tumblers of the lock cylinder when the inclination angles of adjacent sections to the center line of the locking recess are the same.
  • FIG. 1 shows a key 1 with a provided for closing with the key 1 lock cylinder 2 in partial section.
  • the key 1 has a shaft 3 with a key back 4 and with a number on a key chest 5 arranged locking recesses 6.
  • the lock cylinder 2 has a rotatable housing 7 in a core 8 and arranged in the core 8 closing channel 9. Furthermore, the lock cylinder has the second a series of guided in the housing 7 and projecting into the lock channel 9 of the core 8 pin tumblers 10.
  • the series of Stiftzuiensen 10 acts in introduced into the lock cylinder 2 key 1 with the series of locking recesses 6 of the key 1 together.
  • FIG. 2 shows greatly enlarged two of the locking recesses 6 of the key 1 from FIG. 1 ,
  • the level zero corresponds to a closing recess 6 with a particularly small depth
  • stage eight represents a particularly large depth of the closing recess 6.
  • One of the locking recesses 6 shown has the level eight
  • the adjacent closing recess 6 has the stage zero.
  • centerlines of the adjacent locking recesses 6 are shown in phantom in the drawing.
  • the closing recess 6 of the stage eight has flanks 11 with a flank angle ⁇ to the center line.
  • the flanks 11 are divided into a plurality of sections 12 which are interconnected via transitional surfaces 13.
  • transition surfaces 13 form from a portion 12 to the next deeper in the shaft 3 arranged portion 12 an extension of the deep closing recess 6. This avoids that the locking recess 6 of the stage eight penetrates into the adjacent closing recess 6 level zero. This can be closely adjacent locking recesses 6 with the illustrated, the largest possible increment from level zero to level eight on the key chest 5 order.
  • FIG. 3 shows greatly enlarged in the closing channel 9 projecting end of the pin tumblers 10 of the lock cylinder 2 from FIG. 1 , It can be seen here that the pin tumbler 10 has a nipple-shaped projection 14 in its central region projecting into the closing channel 9.

Landscapes

  • Lock And Its Accessories (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Description

Die Erfindung betrifft einen Schlüssel für einen Schließzylinder mit einem einen Schlüsselrücken und eine Schlüsselbrust aufweisenden Schaft und mit einer Reihe von in der Schlüsselbrust angeordneten kerbenförmigen Schließausnehmungen zur Abstützung von Stiftzuhaltungen wobei die Schließausnehmungen bildenden Flanken oberhalb einer vorgesehenen Tiefe der jeweiligen Schließausnehmung in Abschnitte unterteilt sind.The invention relates to a key for a lock cylinder with a key back and a key bridge having shaft and with a number of keyhole arranged in the notch-shaped locking recesses for supporting pin tumblers wherein the closing recesses forming flanks are divided above a designated depth of the respective locking recess in sections.

Ein solches Schlüssel ist aus der FR 25 35 37 6 bekannt. Bei diesem Schlüssel sind die Schlieβ ausnehmungen bildenden Flanken oberhalb einer vorgesehenen Tie Fe der je weiligen Schlieβ ausmechmungen in Abschnitte unterteilt.Such a key is from the FR 25 35 37 6 known. In this key, the Schlieβ recesses forming flanks above a designated Tie Fe of the respective Schlieβ ausmechmungen are divided into sections.

Ein Schlüssel und ein Schließzylinder sind aus der DE 27 36 331 B2 bekannt. Bei diesem Schlüssel sind die Schließausnehmungen bildende Flanken um einen vorgesehenen Winkel zur Mittelachse der Schließausnehmung geneigt. Solche Schlüssel weisen Stufungen der Schließausnehmungen auf, wobei die Stufe eins beispielsweise einer geringen Tiefe der Schließausnehmung und die Stufe acht einer besonders großen Tiefe der Schließausnehmung entspricht. Beim Einführen des Schlüssels in den Schließkanal des Schließzylinders werden die Stiftzuhaltungen von den auf der Schlüsselbrust angeordneten Flanken der Schließkerben bewegt. Dabei gleitet das meist kegelförmige Ende der Stiftzuhaltung entlang der auf der Schlüsselbrust angeordneten Schließausnehmungen. Dies führt jedoch dazu, dass bei einander benachbarten Stiftzuhaltungen keine großen Stufensprünge möglich sind. Beispielsweise ist es nicht möglich, neben einer Schließausnehmung der Stufe eins mit geringer Tiefe eine Schließausnehmung der Stufe acht, also einer besonders großen Tiefe der Schließausnehmung anzuordnen. Bei einem solchen großen Stufensprung würde bei gängigen Schlüsseln die Flanke der tiefen Schließausnehmung bis in die benachbarte flache Schließausnehmung eindringen. Daher weist der bekannte Schlüssel nur eine geringe Anzahl an Kombinationsmöglichkeiten der Stufen der Schließausnehmungen und damit auch eine geringe Anzahl an Schließgeheimnissen auf.A key and a lock cylinder are out of the DE 27 36 331 B2 known. In this key, the locking recesses forming flanks are inclined by an intended angle to the central axis of the locking recess. Such keys have gradations of the closing recesses, the stage one, for example, corresponds to a small depth of the locking recess and the stage eight a particularly large depth of the locking recess. Upon insertion of the key in the lock channel of the lock cylinder, the pin tumblers are moved by the arranged on the key chest flanks of the lock notches. The usually conical end of the Stiftzuhaltung slides along the arranged on the key chest locking recesses. However, this means that with adjacent pin tumblers no large increments are possible. For example, it is not possible to arrange, in addition to a closing recess of the first stage with a shallow depth, a closing recess of the step eight, ie a particularly large depth of the closing recess. With such a large increment With common keys, the flank of the deep locking recess would penetrate into the adjacent, flat locking recess. Therefore, the known key has only a small number of possible combinations of the levels of Schließausnehmungen and thus a small number of secrets.

Um dieses Problem zu vermeiden, könnte man daran denken, die Schließausnehmungen weit voneinander zu beabstanden. Dies führt jedoch bei einer begrenzten Länge des Schließzylinders zu einer geringen Anzahl an möglichen auf dem Schlüssel anzuordnenden Schließausnehmungen. Dies begrenzt ebenfalls die mögliche Anzahl an Schließgeheimnissen des Schlüssels.To avoid this problem, one might think of spacing the closing recesses far apart. However, this results in a limited length of the lock cylinder to a small number of possible to be arranged on the key locking recesses. This also limits the possible number of locking secrets of the key.

Der Erfindung liegt das Problem zugrunde, einen Schlüssel der eingangs genannten Art so weiterzubilden, dass er eine möglichst große Anzahl an Schließgeheimnissen ermöglicht.The invention is based on the problem, a key of the type mentioned in such a way that it allows the largest possible number of privacy secrets.

Dieses Problem wird erfindungsgemäß dadurch gelöst, dass eine Übergangsfläche von einem Abschnitt zum nächst tiefer in dem Schaft angeordneten Abschnitt eine Erweiterung der Schließausnehmung bildet, so dass die Schließausnehmungen oberhalb einer vorgesehenen Tiefe ein Profil nach Art eines Tannenbaums aufweisen.This problem is inventively solved in that a transition surface of a section to the next deeper arranged in the shaft portion forms an extension of the locking recess, so that the locking recesses above a designated depth have a profile in the manner of a Christmas tree.

Durch diese Gestaltung weisen die Schließausnehmungen oberhalb einer vorgesehenen Tiefe ein Profil nach Art eines Tannenbaums auf. Dies führt dazu, dass die Flanken einer besonders tiefen Schließausnehmung zur Schlüsselbrust von Abschnitt zu Abschnitt die Breite der Schließausnehmung verringern. Im Vergleich zu dem bekannten Schlüssel ist bei dem erfindungsgemäßen Schlüssel die Breite tiefer Schließausnehmungen geringer, wenn die Winkel der Flanken der einzelnen Abschnitte der Schließausnehmungen des erfindungsgemäßen Schlüssels und der Winkel der Flanken der Schließausnehmungen des bekannten Schlüssels gleich sind. Ein weiterer Vorteil dieser Gestaltung besteht darin, dass der Schlüssel durch die verschiedenen Abschnitte nur sehr schwer zu kopieren ist.As a result of this design, the closing recesses have a profile in the manner of a Christmas tree above a planned depth. This leads to the flanks of a particularly deep closing recess to the key breast reduce the width of the closing recess from section to section. Compared to the known key, the width of deep locking recesses is smaller in the key according to the invention, when the angle of the flanks of the individual sections of the locking recesses of the key according to the invention and the angle of the flanks of the locking recesses of the known key are the same. Another advantage of this design is that the key through the various sections is very difficult to copy.

Ränder von Stiftzuhaltungen gleiten gemäß einer anderen vorteilhaften Weiterbildung der Erfindung besonders reibungsarm entlang der Flanken der Schließausnehmungen, wenn zwischen der Übergangsfläche und dem angrenzenden Abschnitt eine zur Abstützung der Stiftzuhaltung des Schließzylinders vorgesehene Kante angeordnet ist.According to another advantageous development of the invention, edges of pin tumblers slide in a particularly low-friction manner along the flanks of the locking recesses when an edge provided for supporting the pin tumbler of the lock cylinder is arranged between the transition surface and the adjacent section.

Der erfindungsgemäße Schlüssel gestaltet sich konstruktiv besonders einfach, wenn die Abschnitte die Flanken der Schließausnehmung treppenförmig unterteilen.The key according to the invention is structurally particularly simple if the sections divide the flanks of the closing recess in a staircase.

Hohe Absätze bei kurzen Übergangsflächen lassen sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung einfach erzeugen, wenn die Übergangsfläche in einem scharfen Winkel zu den angrenzenden Abschnitten angeordnet ist.High heels at short transitional surfaces can be easily produced according to another advantageous development of the invention, when the transition surface is arranged at a sharp angle to the adjacent sections.

Die Schließausnehmungen des erfindungsgemäßen Schlüssels weisen eine gleichmäßige Reibung gegenüber den Stiftzuhaltungen des Schließzylinders auf, wenn die Neigungswinkel einander benachbarter Abschnitte zur Mittellinie der Schließausnehmung gleich sind.The locking recesses of the key according to the invention have a uniform friction against the pin tumblers of the lock cylinder when the inclination angles of adjacent sections to the center line of the locking recess are the same.

Die Erfindung lässt zahlreiche Ausführungsformen zu. Zur weiteren Verdeutlichung ihres Grundprinzips ist eine davon in der Zeichnung dargestellt und wird nachfolgend beschrieben. Diese zeigt in

Fig. 1
einen erfindungsgemäßen Schlüssel mit einem Schließzylinder,
Fig. 2
eine stark vergrößerte Darstellung einer Schließausnehmung des erfindungsgemäßen Schlüssels aus Figur 1,
Fig. 3
eine stark vergrößerte Darstellung eines freien Endes einer Stiftzuhaltung des Schließzylinders aus Figur 1,
The invention allows numerous embodiments. To further clarify its basic principle, one of them is shown in the drawing and will be described below. This shows in
Fig. 1
a key according to the invention with a lock cylinder,
Fig. 2
a greatly enlarged view of a locking recess of the key according to the invention FIG. 1 .
Fig. 3
a greatly enlarged view of a free end of a pin tumbler of the lock cylinder FIG. 1 .

Figur 1 zeigt einen Schlüssel 1 mit einem zum Schließen mit dem Schlüssel 1 vorgesehenen Schließzylinder 2 im Teilschnitt. Der Schlüssel 1 hat einen Schaft 3 mit einem Schlüsselrücken 4 und mit einer Reihe an einer Schlüsselbrust 5 angeordneten Schließausnehmungen 6. Der Schließzylinder 2 hat einen in einem Gehäuse 7 drehbaren Kern 8 und einen in dem Kern 8 angeordneten Schließkanal 9. Weiterhin hat der Schließzylinder 2 eine Reihe von in dem Gehäuse 7 geführten und in den Schließkanal 9 des Kerns 8 hineinragende Stiftzuhaltungen 10. Die Reihe der Stiftzuhaltungen 10 wirkt bei in den Schließzylinder 2 eingeführtem Schlüssel 1 mit der Reihe der Schließausnehmungen 6 des Schlüssels 1 zusammen. FIG. 1 shows a key 1 with a provided for closing with the key 1 lock cylinder 2 in partial section. The key 1 has a shaft 3 with a key back 4 and with a number on a key chest 5 arranged locking recesses 6. The lock cylinder 2 has a rotatable housing 7 in a core 8 and arranged in the core 8 closing channel 9. Furthermore, the lock cylinder has the second a series of guided in the housing 7 and projecting into the lock channel 9 of the core 8 pin tumblers 10. The series of Stiftzuhaltungen 10 acts in introduced into the lock cylinder 2 key 1 with the series of locking recesses 6 of the key 1 together.

Figur 2 zeigt stark vergrößert zwei der Schließausnehmungen 6 des Schlüssels 1 aus Figur 1. Zur Verdeutlichung sind vorgesehene Stufungen der Schließausnehmungen 6 in der Zeichnung von null bis acht dargestellt. Die Stufe null entspricht einer Schließausnehmung 6 mit besonders geringer Tiefe, während Stufe acht eine besonders große Tiefe der Schließausnehmung 6 darstellt. Eine der dargestellten Schließausnehmungen 6 hat die Stufe acht, während die benachbarte Schließausnehmung 6 die Stufe null hat. Zur Verdeutlichung sind Mittellinien der benachbarten Schließausnehmungen 6 in der Zeichnung strichpunktiert dargestellt. Die Schließausnehmung 6 der Stufe acht weist Flanken 11 mit einem Flankenwinkel α zur Mittellinie auf. Die Flanken 11 sind in mehrere Abschnitte 12 unterteilt, welche über Übergangsflächen 13 miteinander verbunden sind. Die Übergangsflächen 13 bilden von einem Abschnitt 12 zum nächst tiefer in dem Schaft 3 angeordneten Abschnitt 12 eine Erweiterung der tiefen Schließausnehmung 6. Dies vermeidet, dass die Schließausnehmung 6 der Stufe acht in die benachbarte Schließausnehmung 6 der Stufe null eindringt. Damit lassen sich eng benachbarte Schließausnehmungen 6 mit dem dargestellten, größtmöglichen Stufensprung von Stufe null zu Stufe acht auf der Schlüsselbrust 5 anordnen. FIG. 2 shows greatly enlarged two of the locking recesses 6 of the key 1 from FIG. 1 , For clarity, provided gradations of the closing recesses 6 are shown in the drawing from zero to eight. The level zero corresponds to a closing recess 6 with a particularly small depth, while stage eight represents a particularly large depth of the closing recess 6. One of the locking recesses 6 shown has the level eight, while the adjacent closing recess 6 has the stage zero. For clarity centerlines of the adjacent locking recesses 6 are shown in phantom in the drawing. The closing recess 6 of the stage eight has flanks 11 with a flank angle α to the center line. The flanks 11 are divided into a plurality of sections 12 which are interconnected via transitional surfaces 13. The transition surfaces 13 form from a portion 12 to the next deeper in the shaft 3 arranged portion 12 an extension of the deep closing recess 6. This avoids that the locking recess 6 of the stage eight penetrates into the adjacent closing recess 6 level zero. This can be closely adjacent locking recesses 6 with the illustrated, the largest possible increment from level zero to level eight on the key chest 5 order.

Figur 3 zeigt stark vergrößert das in den Schließkanal 9 hineinragende Ende einer der Stiftzuhaltungen 10 des Schließzylinders 2 aus Figur 1. Hierbei ist zu erkennen, dass die Stiftzuhaltung 10 in ihrem zentrischen, in den Schließkanal 9 hineinragenden Bereich einen nippelförmigen Vorsprung 14 aufweist. FIG. 3 shows greatly enlarged in the closing channel 9 projecting end of the pin tumblers 10 of the lock cylinder 2 from FIG. 1 , It can be seen here that the pin tumbler 10 has a nipple-shaped projection 14 in its central region projecting into the closing channel 9.

Claims (5)

  1. Key for a lock cylinder comprising a shaft having a key back and a key front, and comprising a row of groove-shaped lock recesses arranged in the key front for supporting pin tumblers, the flanks (11) which form the lock recesses (6) being divided into portions (12) above a designated depth of the respective lock recess (6), characterised in that a transition face (13) from a portion (12) to the next portion (12) arranged deeper in the shaft (3) forms an extension of the lock recess (6), such that the lock recesses (6) have a fir-tree-shaped profile above a designated depth.
  2. Key according to claim 1, characterised in that an edge for supporting the pin tumbler (10) of the lock cylinder (2) is arranged between the transition face (13) and the adjacent portion (12).
  3. Key according to either claim 1 or claim 2, characterised in that the portions (12) divide the flanks (11) of the lock recess (6) in a stepped manner.
  4. Key according to either claim 1 or claim 2, characterised in that the transition face (13) is arranged at a sharp angle to the adjacent portions (12).
  5. Key according to any of the preceding claims, characterised in that the angles of inclination (α) of adjacent portions (12) to the centre line of the lock recess (6) are equal.
EP06115200A 2005-07-19 2006-06-09 Key Not-in-force EP1746226B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL06115200T PL1746226T3 (en) 2005-07-19 2006-06-09 Key
SI200631566T SI1746226T1 (en) 2005-07-19 2006-06-09 Key

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005000090A DE102005000090A1 (en) 2005-07-19 2005-07-19 Key and lock cylinder for a key

Publications (3)

Publication Number Publication Date
EP1746226A2 EP1746226A2 (en) 2007-01-24
EP1746226A3 EP1746226A3 (en) 2011-07-06
EP1746226B1 true EP1746226B1 (en) 2013-01-30

Family

ID=37307314

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06115200A Not-in-force EP1746226B1 (en) 2005-07-19 2006-06-09 Key

Country Status (5)

Country Link
EP (1) EP1746226B1 (en)
DE (1) DE102005000090A1 (en)
ES (1) ES2402776T3 (en)
PL (1) PL1746226T3 (en)
SI (1) SI1746226T1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT506700B1 (en) * 2008-07-15 2009-11-15 Evva Werke FLAT KEY
DE102009000990A1 (en) 2009-02-18 2010-08-19 Aug. Winkhaus Gmbh & Co. Kg Key for a lock cylinder

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8908282U1 (en) * 1989-07-07 1990-05-03 Hoppe Gmbh & Co Kg, 3570 Stadtallendorf Rotating handle
DE3909257A1 (en) * 1988-03-23 1990-09-27 Legault COMBINATION LOCK WITH SELF-DELETE MECHANISM
EP0784138A1 (en) * 1996-01-10 1997-07-16 GRUNDMANN SCHLIESSTECHNIK GESELLSCHAFT m.b.H. Cylinder lock and flat key

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1701785A (en) * 1927-02-23 1929-02-12 George D Lino Signature key
DE7035739U (en) * 1970-09-26 1971-01-07 Voss Kg J LOCKING CYLINDER WITH KEY.
AT347285B (en) * 1977-05-03 1978-12-27 Evva Werke CYLINDER LOCK
CH657178A5 (en) * 1982-11-01 1986-08-15 Ernst Keller PROCESS FOR THE MANUFACTURE OF SECURITY KEYS WITH DIFFERENT LOCKING POSSIBILITIES.
DE4316439C2 (en) * 1993-05-17 2001-04-26 Dom Sicherheitstechnik Flat key for locking cylinders
FR2705721B1 (en) * 1993-05-24 1995-07-28 Vachette Sa Double end ramp key for safety barrel, corresponding barrel and assembly consisting of such a key and such a barrel.
SE505364C2 (en) * 1993-12-30 1997-08-11 Bo Widen Cylinder lock-key combination, key, key blank and lock
DE4419999A1 (en) * 1994-06-08 1995-12-14 Helga Knauer Tumbler pin system with different pin types for cylinder locks
DE102004003034B4 (en) * 2003-10-17 2006-04-13 Dom Sicherheitstechnik Gmbh & Co Kg Cylinder lock for use with flat key has pins of different length in rotatable cylinder with sharp ends engaging key with security pattern in one profiled broad side

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3909257A1 (en) * 1988-03-23 1990-09-27 Legault COMBINATION LOCK WITH SELF-DELETE MECHANISM
DE8908282U1 (en) * 1989-07-07 1990-05-03 Hoppe Gmbh & Co Kg, 3570 Stadtallendorf Rotating handle
EP0784138A1 (en) * 1996-01-10 1997-07-16 GRUNDMANN SCHLIESSTECHNIK GESELLSCHAFT m.b.H. Cylinder lock and flat key

Also Published As

Publication number Publication date
EP1746226A3 (en) 2011-07-06
PL1746226T3 (en) 2013-06-28
ES2402776T3 (en) 2013-05-08
SI1746226T1 (en) 2013-08-30
DE102005000090A1 (en) 2007-01-25
EP1746226A2 (en) 2007-01-24

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