EP1726749B1 - Cylinder lock with a key - Google Patents
Cylinder lock with a key Download PDFInfo
- Publication number
- EP1726749B1 EP1726749B1 EP06113875A EP06113875A EP1726749B1 EP 1726749 B1 EP1726749 B1 EP 1726749B1 EP 06113875 A EP06113875 A EP 06113875A EP 06113875 A EP06113875 A EP 06113875A EP 1726749 B1 EP1726749 B1 EP 1726749B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- key
- cylinder lock
- control
- lock according
- core
- 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.)
- Active
Links
- 238000003780 insertion Methods 0.000 claims abstract description 6
- 230000037431 insertion Effects 0.000 claims abstract description 6
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000004323 axial length Effects 0.000 claims description 4
- 230000002441 reversible effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 238000009527 percussion Methods 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 description 1
Images
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
-
- 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
- E05B19/0041—Key profiles characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key
- E05B19/0052—Rectangular flat keys
- E05B19/0058—Rectangular flat keys with key bits on at least one wide side surface of the key
-
- 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
- E05B27/0057—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with increased picking resistance
Definitions
- the invention relates to a lock cylinder with a key according to the preamble of claim 1.
- a lock cylinder with a key is known in which the core pins have a flat rib. Side of the flat rib are control slopes, which can attack a flank of a key.
- the key is designed such that it first acts on the control slopes and after a certain displacement only on the flank of the cylinder pin and this completely shifted.
- the flat rib of the core pin is guided in an inlet groove of the key. It is only possible to relocate the pin tumbler to a release position if one has a proper key having the control zone to attack the ramps. Otherwise it is not possible to relocate the pin tumbler to a release position. The pins must not turn.
- a lock cylinder is described with a key whose core pins have a cross-section reduced cylinder portion.
- This cylinder section can tie an unlocking element in the lock cylinder.
- Such an unlocking element which is needed for the percussion method, has deeper cuts than provided for the system. Due to the deeper cuts arise in the unlocking, in the area of the reduced-height portion of the deep rib holes. In these holes, the cylinder portion of the core pin can enter and captivate the unlocking. Now it is no longer possible to push the unlocking further into or out again. The lock cylinder is thus protected from the percussion method and can not be opened by this method. Furthermore, essentially the Core pins and the key as configured in the aforementioned document.
- the US 5,438,857 describes various key profiles with grooves and ribs, wherein the slots adjacent to the insertion side end faces of the ribs are chamfered to lift the tumbler pins during insertion of the key in the keyway of the lock cylinder. From the edge side of a chamfer surrounding end faces of the substantially cylindrical tumbler pins project pedestal-like extensions.
- One of the key profiles proposed there provides a high rib embedded in a groove, which forms an oblique face along which the extension of the tumbler pin slides when the key is inserted.
- the extension dips through the groove.
- the chamfer forming the edge of the front side slides along the inclined edges.
- the invention has for its object to simplify hertellungstechnisch a generic lock cylinder with a key.
- the cross-sectional shape of the control flanks is adapted to the control zones.
- the control zones essentially slide off in the line system on the control flanks. These have a rounded shape.
- the tip of at least one core pin forms a cylindrical extension.
- the bottom of the keyway has recesses for entry of the tip or cylindrical extension of the at least one core pin.
- the bottom of the channel forms a ramp for the tip of the core pin. This occurs only after an initial shift by the control edges against the ramp.
- the key is designed as a reversible flat key. A plurality of in the insertion direction of the key one behind the other core pins arranged in the lock cylinder. One or more core pins form at their tips cylindrical extensions.
- the ramp is associated with a Tiefrippe and a high rib of the key.
- the ramp extends over substantially the entire key thickness.
- the bottoms of two grooves flanking a high rib are assigned the control edges. These can also be assigned to the oblique walls of a deep rib.
- the control zones and the ramps have different angles to the key channel plane.
- the axial length of the control zones is slightly greater than the rib height of a tie rib associated with the bottom of the channel, but less than the pitch of the top surface of the tie rib to the bottom of a groove adjacent the tie rib.
- Fig.1 shows a key 1 in a perspective view looking towards the key tip.
- the key 1 is designed as a reversible flat key. This forms a key handle 2 and a key shank 3.
- the key shank 3 is profiled and has on each of its broad sides a high rib 4 and a tie bar 5 arranged parallel thereto.
- the profiled key shank 3 a key channel 11 of a cylinder core 7 is shaped. Since it is a turning flat key, the high rib 4 of the one broad side is compared with a deep rib 5 of the other broad side.
- the raised rib 4 has cone-shaped depressions 6, which are arranged one behind the other in a key-member extension direction.
- the number of reductions 6 is adapted to the number of pin tumblers.
- the sinking depth of the counterbores 6 is dependent on the pin tumblers.
- the deep rib 5 has a step 8. This goes into a reduced height tufa region 5 'over. Before level 8 in the direction of the key tip a countersink 9 is incorporated. In the countersink 9, an additional pin 10 reach into it.
- a channel 12 runs.
- the channel 12 extends at an acute angle from the tie bar 5, in the direction of the key handle 2 to the high rib 4.
- the bottom of the channel 12 forms a ramp 13 for a tip 14 of a core pin 15 or the tip 16 of the cylindrical extension 17 of a core pin 18.
- the run-up slope 13 is concavely rounded and is thus adapted to the displacement path of the tips 14,16.
- the run-on slope 13 of the tie-bar 5 and also the high-rib 4 is assigned.
- the ramp 13 extends substantially over the entire key shank thickness.
- the key tip forms a fork opening 19. With this fork opening 19, the key tip can project around the cylindrical extension 17 of the core pin 18.
- Each side of the high rib is a groove 20.
- the two grooves 20 flank the high rib 4.
- the bottoms of the grooves 20 each have a control edge 21 assigned.
- the control edges 21 are also assigned to the oblique walls of the tie rib 5.
- the control flanks 21 have a rounded shape and are thus adapted to the shape of the control zones 22 of the core pins 15, 18.
- the cylinder core 7 is shown in section. It is good to see that several core pins 15, 18 are arranged one behind the other. These are in dismisseinsteckraum behind the other.
- the core pin 15 has a circular cylindrical basic contour.
- the control zone 22 is formed by a conical end. The conical end of the core pin 15 protrudes into the keyway 11.
- the core pins 15 have different lengths.
- a core pin 18 is disposed in the cylinder core 7.
- the core pin 18 also has a tapered end. This forms the control zone 22.
- a cylindrical extension 17 is arranged on the conical end. This has a smaller cross-section than the core pin 18.
- the lower end of the core pin 18 of this forms a conical portion 23 from.
- core pin holes 25 are provided for the core pins. These run at a right angle to the direction of the keyway 11.
- the core pin holes 25 are in the Fig. 4 arranged below the keyway 11.
- additional holes 26 are arranged above the keyway 11.
- the additional bores 26 have at their upper end an enlarged diameter portion 27.
- In one of the additional bores 26 is an additional pin 10 a.
- the additional pin 10 also has a larger diameter portion 28 at its upper end. At the end of the section 28, a cone section 29 is arranged. The section 28 is adapted to the section 27 of the additional bore 26. At its lower end, the additional pin 10 forms a further cone section 30.
- the additional holes 26 are slightly offset from the core pin holes 25.
- the spaces between the additional holes 26 provide a contact surface 31 for the core pins 15.
- a recess 32 is incorporated in the cylinder core 7.
- the recess 32 is adapted to the cylindrical portion 17 of the core pin 18.
- the control zones 22 of the core pins 15, 18 are at the same height level with the key 1 not inserted.
- the core pins 15, 18 are designed rotationally symmetrical. Due to the rotationally symmetrical shape of the core pins 15, 18 a more cost-effective production is achieved.
- the incorporated on the key tip bevel 13 and the control edges 21 may have a different angle to the key channel level. By different angles to one another it is achieved that the core pin 15,18 moves depending on the angle at different speeds with the same insertion speed of the key 1.
- the Control edges 21 have a more acute angle to the key channel plane than the ramp 13. This design ensures that the core pins 15,18 are slowly displaced at the beginning and thus tilting of the core pins 15,18 in the cylinder core 7 is prevented. Sliding the core pins 15, 18 then on the ramp 13, so they shift faster.
- axial length a of the control zone 22 of the core pins 15, 18 is slightly larger than the rib height b of the base 33 of the keyway 11 associated Tiefrippe 5.
- the axial length a of the control zone 22 is less than the distance c of the vertex surface 34 of the tie rib 5 to the bottom of the tie rib 5 adjacent groove 20th
- the core pins 15,18 are part of a tumbler, which is not shown here.
- To the tumbler still include housing pins, which are acted upon by springs. The springs act in the direction of the key channel 11. In this position, the housing pins would secure the cylinder core 7 against rotation. Only by a suitable key 1, it would be possible to relocate the core pins 15, 18 and the housing pins, not shown, such that the parting plane between the core pins 15,18 and the housing pins is aligned with the lateral surface of the cylinder core 7. Then it is only possible to turn the cylinder core.
- the key 1 was inserted into the keyway 11 far enough that the control flanks 21 rest against the control zones 22 of the first core pin 15.
- the control zones 22 are essentially in line with the control flanks 21. Due to the line system of the control zones 22 on the control flanks 21, a lesser wear of the core pins 15 is achieved.
- the core pin 15 moves out of the keyway 11 addition.
- the core pin 15 by means of the ramp 13 is further displaced from the keyway 11.
- the tip 14 of the core pin 15 runs on the ramp bevel 13 from.
- the core pins 15, 18 Due to the rotationally symmetrical design of the core pins 15, 18 ensures that they can be produced more cheaply and the designated core pin holes 25 no longer needs to be adapted for the profile cross section of the other core pins. Likewise, it no longer needs to be taken to ensure that the core pins 15, 18 are inserted in a specific position relative to the core pin bores 25. Since the core pins 15,18 no Bridge more training, these are designed more stable. Due to the line system of the control zones 22 on the control flanks 21 a lesser wear is achieved.
Landscapes
- Lock And Its Accessories (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Component Parts Of Construction Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
Description
Die Erfindung betrifft einen Schließzylinder mit einem Schlüssel gemäß Gattungsbegriff des Anspruchs 1.The invention relates to a lock cylinder with a key according to the preamble of
Aus der
Aus der
Die
Der Erfindung liegt die Aufgabe zugrunde, einen gattungsgemäßen Schließzylinder mit einem Schlüssel hertellungstechnisch zu vereinfachen.The invention has for its object to simplify hertellungstechnisch a generic lock cylinder with a key.
Gelöst wird die Aufgabe durch die im Anspruch 1 angegebene Erfindung.The problem is solved by the invention defined in
Bevorzugt ist die Querschnittsform der Steuerflanken den Steuerzonen formangepasst. Die Steuerzonen gleiten im Wesentlichen in Linienanlage an den Steuerflanken ab. Diese weisen eine gerundete Gestalt auf. Die Spitze mindestens eines Kernstiftes bildet einen zylindrischen Fortsatz aus. Der Boden des Schlüsselkanals weist Vertiefungen auf zum Eintritt der Spitze oder des zylindrischen Fortsatzes des mindestens eines Kernstiftes. Der Grund des Kanals bildet eine Auflaufschräge für die Spitze des Kernstiftes aus. Diese tritt erst nach einer Anfangsverlagerung durch die Steuerflanken gegen die Auflaufschräge. Der Schlüssel ist als Wendeflachschlüssel ausgestaltet. Eine Vielzahl von in Einsteckrichtung des Schlüssels hintereinanderliegender Kernstifte sind in dem Schließzylinder angeordnet. Ein oder mehrere Kernstifte bilden an ihren Spitzen zylindrische Fortsätze aus. Die Auflaufschräge ist einer Tiefrippe sowie einer Hochrippe des Schlüssels zugeordnet. Die Auflaufschräge erstreckt sich über im Wesentlichen die gesamte Schlüsseldicke. Den Böden zweier eine Hochrippe flankierenden Nut sind die Steuerflanken zugeordnet. Diese können auch den schrägen Wandungen einer Tiefrippe zugeordnet sein. Die Steuerzonen und die Auflaufschrägen besitzen unterschiedliche Winkel zur Schlüsselkanalebene. Die axiale Länge der Steuerzonen ist geringfügig größer als die Rippenhöhe einer dem Grund des Kanals zugeordneten Tiefrippe, aber geringer ist als der Abstand der Scheitelfläche der Tiefrippe zum Boden einer der Tiefrippe benachbart liegenden Nut.Preferably, the cross-sectional shape of the control flanks is adapted to the control zones. The control zones essentially slide off in the line system on the control flanks. These have a rounded shape. The tip of at least one core pin forms a cylindrical extension. The bottom of the keyway has recesses for entry of the tip or cylindrical extension of the at least one core pin. The bottom of the channel forms a ramp for the tip of the core pin. This occurs only after an initial shift by the control edges against the ramp. The key is designed as a reversible flat key. A plurality of in the insertion direction of the key one behind the other core pins arranged in the lock cylinder. One or more core pins form at their tips cylindrical extensions. The ramp is associated with a Tiefrippe and a high rib of the key. The ramp extends over substantially the entire key thickness. The bottoms of two grooves flanking a high rib are assigned the control edges. These can also be assigned to the oblique walls of a deep rib. The control zones and the ramps have different angles to the key channel plane. The axial length of the control zones is slightly greater than the rib height of a tie rib associated with the bottom of the channel, but less than the pitch of the top surface of the tie rib to the bottom of a groove adjacent the tie rib.
Die zuvor beschriebene Erfindung soll anhand mehrerer Ausführungsbeispiele näher erläutert werden. Es zeigen:
- Fig.1
- einen Schlüssel in einer perspektivischen Ansicht,
- Fig. 2
- eine Ausschnittsvergrößerung der Schlüsselspitze entsprechend des Ausschnitts II aus
Fig.1 , - Fig. 3
- eine Ansicht auf die Schlüsselspitze in Blickrichtung III aus
Fig.1 , - Fig. 4
- eine perspektivischer Halbschnitt eines Zylinderkerns mit den Kernstiften und einem Zusatzstift,
- Fig. 5
- eine Ansicht des Zylinderkerns entsprechend der Blickrichtung V aus
Fig. 4 , jedoch greifen die Steuerflanken der Schlüsselspitze an den Steuerzonen des ersten Kernstifts an, - Fig. 6
- eine Seitenansicht gemäß der Blickrichtung VI aus
Fig. 5 , - Fig. 7
- eine perspektivische Ansicht des Schlüssels mit dem ersten Kernstift,
- Fig. 8
- eine Ausschnittsvergrößerung entsprechend des Ausschnitts VIII aus
Fig. 7 , - Fig. 9
- eine ähnliche Darstellung wie
Fig. 5 , jedoch greift jetzt die Auflaufschräge der Schlüsselspitze an der Spitze des ersten Kernstiftes an, - Fig. 10
- eine ähnliche Darstellung wie
Fig. 7 , jedoch in der Stellung, die inFig. 9 verdeutlicht ist, - Fig.11
- eine Ausschnittsvergrößerung entsprechend des Ausschnittes XI aus
Fig. 10 , - Fig. 12
- eine Ansicht entsprechend der
Fig. 5 , jedoch greift die Schlüsselspitze mit ihren Steuerflanken an einem anderen Kernstift an, der einen zylindrischen Fortsatz ausbildet, - Fig. 13
- eine Ansicht entsprechend der
Fig. 7 , jedoch mit dem anderen Kernstift und in der Stellung, die inFig. 12 verdeutlicht ist, - Fig. 14
- eine Ausschnittsvergrößerung entsprechend des Ausschnittes XIV aus
Fig. 13 , - Fig. 15
- eine Ansicht entsprechend der
Fig. 12 , jedoch greift jetzt die Auflaufschräge der Schlüsselspitze an dem zylindrischen Fortsatz des Kernstiftes an, - Fig. 16
- eine ähnliche Darstellung wie
Fig. 13 , jedoch in der Stellung, die inFig. 15 verdeutlicht worden ist und - Fig. 17
- eine Ausschnittsvergrößerung entsprechend des Ausschnittes XVII aus
Fig. 16 .
- Fig.1
- a key in a perspective view,
- Fig. 2
- a detail enlargement of the key top according to the clipping II
Fig.1 . - Fig. 3
- a view of the key tip in the direction of III from
Fig.1 . - Fig. 4
- a perspective half section of a cylinder core with the core pins and an additional pin,
- Fig. 5
- a view of the cylinder core according to the viewing direction V from
Fig. 4 but the control flanks of the key tip engage the control zones of the first core pin, - Fig. 6
- a side view according to the viewing direction VI
Fig. 5 . - Fig. 7
- a perspective view of the key with the first core pin,
- Fig. 8
- an enlarged detail corresponding to the section VIII
Fig. 7 . - Fig. 9
- a similar representation as
Fig. 5 but now the run-on slope of the key tip engages the tip of the first core pin, - Fig. 10
- a similar representation as
Fig. 7 , but in the position inFig. 9 is clear - Figure 11
- a detail enlargement corresponding to the section XI
Fig. 10 . - Fig. 12
- a view corresponding to the
Fig. 5 However, the key tip attacks with its control edges on another core pin, which forms a cylindrical extension, - Fig. 13
- a view corresponding to the
Fig. 7 but with the other core pin and in the position inFig. 12 is clear - Fig. 14
- a detail enlargement corresponding to the section XIV
Fig. 13 . - Fig. 15
- a view corresponding to the
Fig. 12 , but now the ramp of the key tip engages the cylindrical extension of the core pin, - Fig. 16
- a similar representation as
Fig. 13 , but in the position inFig. 15 has been clarified and - Fig. 17
- an excerpt from the section XVII
Fig. 16 ,
Die Tiefrippe 5 weist eine Stufe 8 auf. Diese geht in einen höhenverminderten Tiefrippenbereich 5' über. Vor der Stufe 8 in Richtung der Schlüsselspitze ist eine Senkung 9 eingearbeitet. In die Senkung 9 kann ein Zusatzstift 10 hineingreifen.The
In
Die Schlüsselspitze bildet eine Gabelöffnung 19 aus. Mit dieser Gabelöffnung 19 kann die Schlüsselspitze den zylindrischen Fortsatzes 17 des Kernstiftes 18 umragen.The key tip forms a
Seitlich der Hochrippe befindet sich jeweils eine Nut 20. Die beiden Nuten 20 flankieren die Hochrippe 4. Den Böden der Nuten 20 ist jeweils eine Steuerflanke 21 zugeordnet. Somit sind die Steuerflanken 21 auch den schrägen Wandungen der Tiefrippe 5 zugeordnet. Die Steuerflanken 21 weisen eine gerundete Gestalt auf und sind somit der Form der Steuerzonen 22 der Kernstifte 15, 18 formangepasst.Each side of the high rib is a
In der
Dieser geht dann in einen Abschnitt 24 über, der der Grundkontur des Kernstiftes 18 formangepasst ist.This then passes into a
In dem Zylinderkern 7 sind für die Kernstifte 15,18 Kernstiftbohrungen 25 vorgesehen. Diese verlaufen in einem rechten Winkel zur Verlaufsrichtung des Schlüsselkanals 11. Die Kernstiftbohrungen 25 sind in der
Die Kernstifte 15, 18 sind rotationssymmetrisch gestaltet. Durch die rotationssymmetrische Gestalt der Kernstifte 15, 18 wird eine kostengünstigere Fertigung erzielt.The core pins 15, 18 are designed rotationally symmetrical. Due to the rotationally symmetrical shape of the core pins 15, 18 a more cost-effective production is achieved.
Die an der Schlüsselspitze eingearbeitete Auflaufschräge 13 und die Steuerflanken 21 können einen unterschiedlichen Winkel zur Schlüsselkanalebene besitzen. Durch unterschiedliche Winkel zueinander wird erreicht, dass sich der Kernstift 15,18 je nach Winkel unterschiedlich schnell bei gleichbleibender Einsteckgeschwindigkeit des Schlüssels 1 verlagert. Beispielsweise können die Steuerflanken 21 einen spitzeren Winkel zur Schlüsselkanalebene aufweisen als die Auflaufschräge 13. Durch diese Gestaltung wird erreicht, dass am Anfang die Kernstifte 15,18 langsam verlagert werden und somit ein Verkanten der Kernstifte 15,18 im Zylinderkern 7 verhindert wird. Gleiten die Kernstifte 15, 18 anschließend auf der Auflaufschräge 13 ab, so verlagern sich diese schneller.The incorporated on the
In
Es stellt sich folgende Wirkungsweise ein:The following mode of action occurs:
Ausgehend von der
In der
Wie in den
Wird nun der Schlüssel 1 vollständig in den Schlüsselkanal 11 eingesteckt, verlagern sich die Kernstifte 15, 18 derart, dass jede Spitze 14, 16 in einer passenden Senkung 6 des Schlüsselschaftes 3 einliegt. Der Konusabschnitt 30 des Zusatzstiftes 10 liegt dann in der Senkung 9 der gegenüberliegenden Tiefrippe 5 ein. Werden nun, wie in der
Durch die rotationssymmetrische Gestaltung der Kernstifte 15, 18 wird erreicht, dass diese kostengünstiger hergestellt werden können und die dafür vorgesehenen Kernstiftbohrungen 25 nicht mehr für den Profilquerschnitt der sonstigen Kernstifte angepasst werden muss. Ebenfalls braucht nicht mehr darauf geachtet zu werden, dass die Kernstifte 15,18 in einer bestimmten Stellung zu den Kernstiftbohrungen 25 eingesetzt werden. Da die Kernstifte 15,18 keinen Steg mehr ausbilden, sind diese stabiler gestaltet. Durch die Linienanlage der Steuerzonen 22 an den Steuerflanken 21 wird ein geringerer Verschleiß erreicht.Due to the rotationally symmetrical design of the core pins 15, 18 ensures that they can be produced more cheaply and the designated core pin holes 25 no longer needs to be adapted for the profile cross section of the other core pins. Likewise, it no longer needs to be taken to ensure that the core pins 15, 18 are inserted in a specific position relative to the core pin bores 25. Since the core pins 15,18 no Bridge more training, these are designed more stable. Due to the line system of the
Claims (14)
- Cylinder lock with a key (1), it being possible to insert the key (1) into a key channel (11) of a cylinder core (7) of the cylinder lock, into which key channel (11) the control end of at least one core pin (15, 18) of a pin tumbler projects, and the key having, on the tip thereof, two control flanks (21) which are spaced apart by a channel (12) and, when the key (1) is inserted, act on two control zones (22) of the control end which are located near the tip (14, 16) of the control end in order to displace the core pin (15, 18), the base of the channel (12) forming a lead-in bevel (13) for the tip (14,16) of the core pin (15, 18), which lead-in bevel is contacted by the tip (14, 16) when the key of the core pin (15, 18) is inserted, only after an initial displacement of the core pin caused by the control flanks (21) acting on the control zones (22), characterised in that the control zones (22) are portions of a rotationally symmetrical surface, in particular an outer surface of a cone or a dome around the tip (14, 16) of the rotationally symmetrical core pin (15, 18).
- Cylinder lock according to claim 1, characterised in that the cross-sectional shape of the control flanks (21) is adapted to the shape of the control zones (22).
- Cylinder lock according to either of the preceding claims, characterised in that the control zones (22) slide on the control flanks (21), substantially in linear contact therewith.
- Cylinder lock according to any one of the preceding claims, characterised in that the control flanks (21) are rounded.
- Cylinder lock according to any one of the preceding claims, characterised in that the tip (16) of the at least one core pin (18) forms a cylindrical projection (17).
- Cylinder lock according to any one of the preceding claims, characterised in that the base of the key channel (11) comprises recesses (32) for entry of the tip (14, 16) or the cylindrical projection (17) of the at least one core pin (15, 18).
- Cylinder lock according to any one of the preceding claims, characterised in that the key (1) is a reversible flat key.
- Cylinder lock according to any one of the preceding claims, characterised by a plurality of core pins (15, 18) which are arranged in succession in the insertion direction of the key (1), in particular one or more core pins (18) forming tips (16) having cylindrical projections (17).
- Cylinder lock according to any one of the preceding claims, characterised in that the lead-in bevel (13) is associated with a low ridge (5) and/or a high ridge (4) of the key (1).
- Cylinder lock according to any one of the preceding claims, characterised in that the lead-in bevel (13) extends over substantially the entire key thickness.
- Cylinder lock according to any one of the preceding claims, characterised in that the control flanks (21) are associated with the bases of two grooves (20) flanking the high ridge (4).
- Cylinder lock according to any one of the preceding claims, characterised in that the control flanks (21) are associated with the bevelled walls of a low ridge (5).
- Cylinder lock according to any one of the preceding claims, characterised in that the control zones (22) and the lead-in bevel (13) are at different angles to the key channel plane.
- Cylinder lock according to any one of the preceding claims, characterised in that the axial length (a) of the control zones (22) is slightly greater than the ridge height (b) of a low ridge (5) associated with the base (33) of the key channel (11) but slightly less than the distance (c) between the apex surface (34) of the low ridge (5) and the base of a groove (20) adjacent to the low ridge (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11153614A EP2317040B1 (en) | 2005-05-25 | 2006-05-12 | Key for a cylinder lock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005024003A DE102005024003B4 (en) | 2005-05-25 | 2005-05-25 | Lock cylinder with a key |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11153614.0 Division-Into | 2011-02-08 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1726749A2 EP1726749A2 (en) | 2006-11-29 |
EP1726749A3 EP1726749A3 (en) | 2007-11-28 |
EP1726749B1 true EP1726749B1 (en) | 2011-07-06 |
Family
ID=36985460
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11153614A Active EP2317040B1 (en) | 2005-05-25 | 2006-05-12 | Key for a cylinder lock |
EP06113875A Active EP1726749B1 (en) | 2005-05-25 | 2006-05-12 | Cylinder lock with a key |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11153614A Active EP2317040B1 (en) | 2005-05-25 | 2006-05-12 | Key for a cylinder lock |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP2317040B1 (en) |
AT (1) | ATE515614T1 (en) |
DE (1) | DE102005024003B4 (en) |
ES (2) | ES2365806T3 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104769197B (en) * | 2012-08-29 | 2017-12-26 | 多玛卡巴瑞士股份公司 | Blank, safety key, lock system and manufacture method |
ITBO20120662A1 (en) | 2012-12-10 | 2014-06-11 | Filippo Bastianini | LOCK WITH MECHANICALLY REPROGRAMMABLE DISK LOCK AND KEY FOR THE SAME |
EP4063594A1 (en) * | 2021-03-24 | 2022-09-28 | MG Serrature S.p.A. | Reversible flat key and cylinder lock with reversible flat key |
CH718959A1 (en) * | 2021-09-14 | 2023-03-15 | Dormakaba Austria Gmbh | Key element, in particular key or key blank, manufacturing process and locking system. |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB130003A (en) * | 1916-11-25 | 1919-07-31 | Frederick William Schroeder | Improvements in Pin Tumbler Locks. |
DE1876909U (en) * | 1963-06-06 | 1963-08-01 | Karrenberg Fa Wilhelm | LOCK CYLINDER WITH MUSHROOM-SHAPED HOUSING PINS. |
DE3832143A1 (en) * | 1988-09-22 | 1990-04-05 | Dom Sicherheitstechnik | LOCKING DEVICE, COMPOSED OF LOCKING CYLINDER AND FLAT KEY |
CH679507A5 (en) | 1989-12-15 | 1992-02-28 | Bauer Kaba Ag | |
US5222383A (en) * | 1992-05-08 | 1993-06-29 | Tong-Lung Metal Industry Co., Ltd. | Cylinder lock |
US6615628B2 (en) * | 2001-07-20 | 2003-09-09 | Chi-Wen Lou | Picklock-proof key slot for a lock device and a key thereof |
TWI238216B (en) * | 2002-06-28 | 2005-08-21 | Hsien-Lung Tseng | Key and lock with buried beads on slant shaft |
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 |
-
2005
- 2005-05-25 DE DE102005024003A patent/DE102005024003B4/en not_active Expired - Fee Related
-
2006
- 2006-05-12 ES ES06113875T patent/ES2365806T3/en active Active
- 2006-05-12 EP EP11153614A patent/EP2317040B1/en active Active
- 2006-05-12 EP EP06113875A patent/EP1726749B1/en active Active
- 2006-05-12 AT AT06113875T patent/ATE515614T1/en active
- 2006-05-12 ES ES11153614T patent/ES2387380T3/en active Active
Also Published As
Publication number | Publication date |
---|---|
ES2365806T3 (en) | 2011-10-11 |
DE102005024003A1 (en) | 2006-11-30 |
EP2317040A1 (en) | 2011-05-04 |
EP2317040B1 (en) | 2012-06-20 |
ATE515614T1 (en) | 2011-07-15 |
ES2387380T3 (en) | 2012-09-21 |
EP1726749A2 (en) | 2006-11-29 |
EP1726749A3 (en) | 2007-11-28 |
DE102005024003B4 (en) | 2007-02-08 |
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