EP0984122B1 - Cylinderlock - Google Patents

Cylinderlock Download PDF

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Publication number
EP0984122B1
EP0984122B1 EP99113292A EP99113292A EP0984122B1 EP 0984122 B1 EP0984122 B1 EP 0984122B1 EP 99113292 A EP99113292 A EP 99113292A EP 99113292 A EP99113292 A EP 99113292A EP 0984122 B1 EP0984122 B1 EP 0984122B1
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EP
European Patent Office
Prior art keywords
key
locking
lock cylinder
cylinder according
pins
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
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EP99113292A
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German (de)
French (fr)
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EP0984122A1 (en
Inventor
Alexander Stefanescu
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.)
C Ed Schulte Zylinderschlossfabrik GmbH
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C Ed Schulte Zylinderschlossfabrik GmbH
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Publication of EP0984122A1 publication Critical patent/EP0984122A1/en
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    • 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
    • E05B27/0042—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with additional key identifying function, e.g. with use of additional key operated rotor-blocking elements, not of split pin tumbler type

Definitions

  • the invention relates to a lock cylinder with a rotatably arranged in a cylinder housing, one Key channel having cylinder core, in which interacting with the key side profiling Locking elements can be moved transversely to the key channel axis are guided, which one-sided with their locking end with a locking recess in the cylinder housing interact and which on the other side Form key-side profiling scanning probe and at least two in the key insertion direction successive locking elements over a web to a locking bar motion connected are.
  • a lock cylinder of the type in question is known from US 4,723,427, the locking bar in Locking projections pointing in the direction of the key channel out.
  • the latter are designed like a bridge and run parallel to the longitudinal axis of the tumbler pins.
  • the Core pins have longitudinal grooves and are through the Key notches rotated overlapping and shifted in such a way that the longitudinal grooves are aligned with the locking projections.
  • the Longitudinal grooves with transverse grooves on the key shank see above that when the closing rotation begins, the locking projections both in the longitudinal grooves of the core pins and in the Intervene in the keyways transverse grooves.
  • This configuration allows a key with which the Closing notches are correct and which is not the transverse grooves on the key shaft, by filing it like this to revise that it closes anyway.
  • the object of the invention is based on the object a generic lock cylinder with simple Specification of increased locking security.
  • This task is with a lock cylinder with the features of claim 1 solved, with the focus that two diametrically opposite locking bars with each offset interlocking projections are provided, with at least one tip of the opposite Locking projections in their core rotation Position penetrate a common level.
  • Locking bars have insertion openings for the locking projections training pegs. This leads to a simple and cost-saving production.
  • the locking projections are only the insertion pins in the insertion openings of the locking bar.
  • Insertion openings optionally with insertion pins equip. So that the insertion pins in their insertion openings are locked, the plug pins in the insertion openings in the press fit. Then it is possible to measure different lengths Insert pins associated with the insertion openings with a different projection of the probes the insertion pins over the locking bar. Further it is still advantageous in terms of manufacturing technology that the frustoconical ends of the insertion pins with similarly shaped sampling funnel openings of the key work together.
  • the locking cylinder shown in Figures 1 to 4 has a plan circular cylinder housing 1.
  • a central core bore 2 takes the cylinder housing 1 a cylinder core 3.
  • the latter has one cross-sectional key channel 4 with a paracentric key channel profile. Is one-sided the key channel 4 to the core hole 2 open.
  • each other aligned pin holes 5, 6 are provided, wherein each with a pin hole 5 of the cylinder housing 1 a pin hole 6 of the cylinder core 3 is aligned.
  • the Pin hole 6 takes a core pin 7 and the pin hole 5 a housing pin 8.
  • the latter is from a pin spring 9 is applied in the direction of the core pin 7 such that when the key is removed, the parting line between core pin 7 and housing pin inside of the cylinder core 3, so that the tumblers performing core pins 7 and housing pins 8 a Lock the rotation of the cylinder core 3.
  • the pin hole 5 of the cylinder housing 1 is on the outside by a Plug 10 covered, on which the one End of the pin spring 9 supports.
  • On both sides of the key channel run at right angles to the key channel aligned, leading into these recesses 11, 12 for receiving locking elements S.
  • the guide recesses 11, 12 are spaced from one Diametral plane and are located on the Tumblers opposite half of the cylinder core 3. Furthermore, the guide recesses 11, 12 to to the circumferential line of the cylinder core, i.e. up to the rotary joint F of the same inside the cylinder housing 1. With the guide recesses 11, 12 are aligned in the form of longitudinal grooves designed locking recesses 13, 14 of the cylinder housing 1.
  • Each locking recess 13, 14 has two inclined flanks 15, 16 running towards each other in a roof shape.
  • the shape protrude into the locking recesses 13, 14 Locking ends 17 of the locking elements S.
  • the outer End face 17 'of the locking ends 17 is curved such that the curvature course that of the rotary joint F is adjusted.
  • each locking element S forms a probe facing the key channel 4 19 from with transverse to the key channel axis Vertex lines 19 ', which run in an arc shape.
  • the apex line 19 ' is from the top of two Roof flanks 20 shaped, which are also arcuate Show course.
  • the locking projections are particularly illustrative or the probes 19 of the opposite locking bars 18 offset from one another. That means, that the apex 19 'of a locking bar 18 on Gap sit to the apices 19 'of the other locking bar 18th
  • the cross-sectional profile of the key shaft 4 is adapted a key 21.
  • Its key tip 22 is with two roof-shaped, in which Key slopes expiring tax slopes 23 fitted.
  • the key 21 has on it the narrow edge incisions 24 for arranging the core pins 7 and housing pins 8 tumblers formed. It lies in the rest paracentric key profile. It means that at least one originating from the key broadsides Groove extends to the key longitudinal median plane or this cuts.
  • Notches 25 cut into the notch base 25 'the course of the apex 19' of the probe heads 19 equivalent. At least one arch notch 25 is designed that their notch base 25 'to the longitudinal key plane is enough or cuts them.
  • the bow notches 25 are incorporated by means of a side milling cutter, which is so big in diameter is that the linear apex 19 is the bottom of the notch 25 'is adapted.
  • the tumbler pins are arranged so that their separation point at the level of the rotary joint F of the cylinder core 3 lies. Furthermore, the notches 25 lie on the Key broadsides the relevant vertices 19 'of Probe heads 19 of the locking elements S opposite. It can now the closing rotation is carried out by means of the key 21 be, with the sloping sides 15, 16 of Locking recesses 13, 14 including the locking elements S. of the webs 18 connecting them in the direction of Key broadsides are being relocated to that the probes 19 fill the form in the notches 25 occur. The apex 19 'of the probes 19 are then at notch bottom 25 '. The closing rotation can thus continue to be carried out.
  • the ends 26 'of the key channel 4 facing the Insert pins 26 are frustoconical and act with similarly shaped sampling funnel openings 29 together on the key broad side surfaces.
  • the locking bars 28 correspond to this second embodiment in its construction the locking bar 18 of the first Embodiment.
  • the cylinder housing protrudes radially outward Beam section 28 'of the locking beam 28 into it.
  • Whose outer end 28 '' is curved such that the course of curvature is adapted to that of the rotary joint F. is.
  • With the beam section 28 ' they act roof-shaped mutually extending inclined flanks 15, 16 of the locking recesses 13, 14 together.

Abstract

Two diametrically opposed locking bars (18) have relatively offset locking projections (19) so that each tip of an opposing projection reaches into a common plane to enable the lock plug (3) to rotate. The bars have oblique flanks to controllably displace each bar from its locking recess (13,16) in the closing movement. The side profiles of the lock key (4) are made up of arcuate grooves (25) and the crest line of the feeler heads (19) conforms to the groove shape. The displacement plane of the bars (18) is spaced from the diametral plane. The key tip has control ramps in roof shape to issue into the broad sides of the key.

Description

Die Erfindung betrifft einen Schließzylinder mit einem in einem Zylindergehäuse drehbar angeordneten, einen Schlüsselkanal aufweisenden Zylinderkern, in welchem mit der Schlüssel-Seitenprofilierung zusammenwirkende Sperrelemente quer zur Schlüsselkanalachse verschieblich geführt sind, welche einendseitig mit ihrem Sperrende mit einer Sperrausnehmung des Zylindergehäuses zusammenwirken und welche anderendseitig einen die Schlüssel-Seitenprofilierung abtastenden Tastkopf ausbilden und wobei mindestens zwei in Schlüsseleinsteckrichtung hintereinanderliegende Sperrelemente über einen Steg zu einem Sperrbalken miteinander bewegungsverbunden sind.The invention relates to a lock cylinder with a rotatably arranged in a cylinder housing, one Key channel having cylinder core, in which interacting with the key side profiling Locking elements can be moved transversely to the key channel axis are guided, which one-sided with their locking end with a locking recess in the cylinder housing interact and which on the other side Form key-side profiling scanning probe and at least two in the key insertion direction successive locking elements over a web to a locking bar motion connected are.

Ein Schließzylinder der in Rede stehenden Art ist bekannt aus der US 4,723,427, wobei vom Sperrbalken in Richtung des Schlüsselkanals weisende Sperrvorsprünge ausgehen. Letztere sind stegartig gestaltet und verlaufen parallel zur Längsachse der Zuhaltungsstifte. Die Kernstifte besitzen Längsnuten und werden durch die Schlüsselkerben überlagernd gedreht und verschoben derart, daß die Längsnuten mit den Sperrvorsprüngen fluchten. Bei eingestecktem Schlüssel fluchten sodann die Längsnuten noch mit Quernuten des Schlüsselschaftes, so daß bei beginnender Schließdrehung die Sperrvorsprünge sowohl in die Längsnuten der Kernstifte als auch in die Quernuten des Schlüsselschaftes eingreifen. Diese Ausgestaltung erlaubt es, einen Schlüssel, bei welchem die Schließkerben richtig sind und welcher nicht die Quernuten am Schlüsselschaft aufweist, durch Abfeilen so umzuarbeiten, daß er dennoch schließt. A lock cylinder of the type in question is known from US 4,723,427, the locking bar in Locking projections pointing in the direction of the key channel out. The latter are designed like a bridge and run parallel to the longitudinal axis of the tumbler pins. The Core pins have longitudinal grooves and are through the Key notches rotated overlapping and shifted in such a way that the longitudinal grooves are aligned with the locking projections. When the key is inserted, the Longitudinal grooves with transverse grooves on the key shank, see above that when the closing rotation begins, the locking projections both in the longitudinal grooves of the core pins and in the Intervene in the keyways transverse grooves. This configuration allows a key with which the Closing notches are correct and which is not the transverse grooves on the key shaft, by filing it like this to revise that it closes anyway.

Dem Gegenstand der Erfindung liegt die Aufgabe zugrunde, einen gattungsgemäßen Schließzylinder bei einfachem Aufbau von erhöhter Schließsicherheit anzugeben.The object of the invention is based on the object a generic lock cylinder with simple Specification of increased locking security.

Diese Aufgabe ist bei einem Schließzylinder mit den Merkmalen des Anspruchs 1 gelöst, wobei darauf abgestellt ist, daß zwei diametral sich gegenüberliegende Sperrbalken mit jeweils versetzt zueinanderliegenden Sperrvorsprüngen vorgesehen sind, wobei mindestens je eine Spitze der sich gegenüberliegenden Sperrvorsprünge in ihrer eine Kerndrehung ermöglichenden Stellung eine gemeinsame Ebene durchdringen.This task is with a lock cylinder with the features of claim 1 solved, with the focus that two diametrically opposite locking bars with each offset interlocking projections are provided, with at least one tip of the opposite Locking projections in their core rotation Position penetrate a common level.

Die Unteransprüche betreffen vorteilhafte weiterbildungen der erfindungsgemäßen Lösung.The subclaims relate to advantageous further developments the solution according to the invention.

Zufolge derartiger Ausgestaltung ist ein Schließzylinder der in Rede stehenden Art von erhöhtem Sicherheitswert geschaffen. Es sind nun zwei diametral sich gegenüberliegende Sperrbalken mit jeweils versetzt zueinander angeordneten Sperrvorsprüngen vorgesehen, so daß der Schlüssel nicht abbruchgefährdend geschwächt wird. Da mindestens je eine Spitze der sich gegenüberliegenden Sperrvorsprünge in ihrer eine Kerndrehung ermöglichenden Stellung eine gemeinsame Ebene durchdringen, wird eine parazentrische Schlüssel-Seitenprofilierung geschaffen, so daß bei einem Versuch, die Wirkung der Schlüssel-Seitenprofilierung durch Fräsen oder Abfeilen zu eliminieren, der Schlüssel in seiner Längsachse zerstört wird. Schließtechnisch günstig ist es, wenn der Sperrbalken schrägflankengesteuert bei Schließdrehung aus der Sperrnut herausverlagert wird. Dies setzt jedoch das Vorhandensein des richtig seitenprofilierten Schlüssels voraus. Herstellungstechnisch günstig ist es, wenn die Schlüssel-Seitenprofilierung von quer zur Schlüssellängsachse verlaufenden Bogenkerben ausgebildet sind. Letztere können durch Fräsen hergestellt werden. Die Bogenkerbe folgt dann dem Verlauf eines Scheibenfräsers, so daß die Erstellung solcher Bogenkerben auf an sich bekannten Schlüsselfräsmaschinen erfolgen kann. Ein minimaler Verschleiß der Abtastköpfe auch bei langer Gebrauchsdauer ergibt sich dadurch, daß die quer zur Schlüsselkanalachse verlaufenden Scheitellinien der Abtastköpfe dem Verlauf der Bogenkerben angepaßt sind. Es findet also keine punktförmige, sondern linienförmige Berührung beim Einordnen der Sperrelemente statt verbunden mit dem zuvor erwähnten verringerten Verschleiß. Weiterhin ist hervorzuheben, daß die Verlagerungsebene der Sperrbalken beabstandet zu einer Diametralebene verläuft. Ferner ist es erfindungsgemäß, noch von Vorteil, an der Schlüsselspitze dachförmig zueinanderstehende, in die Schlüsselbreitflächen auslaufende Steuerschrägen vorzusehen. Diese gestatten ein leichtgängiges Einführen des Schlüssels in den Schlüsselkanal. Eine alternative Lösung zeichnet sich dadurch aus, daß die Sperrbalken Einstecköffnungen aufweisen für die Sperrvorsprünge ausbildenden Einsteckstifte. Dies führt zu einer einfachen und kostensparenden Herstellung. Für die Sperrvorsprünge sind lediglich die Einsteckstifte in die Einstecköffnungen des Sperrbalkens einzusetzen. Bei reihenförmig hintereinander angeordneten Einstecköffnungen am Sperrbalken ist es dabei möglich, die Einstecköffnungen wahlweise mit Einsteckstiften zu bestücken. Damit die Einsteckstifte in ihren Einstecköffnungen arretiert sind, können die Einsteckstifte in den Einstecköffnungen im Klemmsitz eingesetzt werden. Sodann ist es möglich, unterschiedlich lang bemessene Einsteckstifte den Einstecköffnungen zuzuordnen verbunden mit einem unterschiedlich weiten Überstand der Tastköpfe der Einsteckstifte über den Sperrbalken. Ferner ist es herstellungstechnisch noch von Vorteil, daß die kegelstumpfartig ausgebildeten Enden der Einsteckstifte mit gleichartig ausgebildeten Abtast-Trichteröffnungen des Schlüssels zusammenwirken.As a result of such a configuration is a lock cylinder the type of increased security value in question created. There are now two diametrically opposed ones Barrier bars, each offset from one another arranged locking projections provided so that the key is not weakened so that it can be broken off. Because at least one tip of the opposite Locking projections in their core rotation Position penetrate a common level becomes paracentric key side profiling created so that when trying to see the effect of Key side profiling by milling or filing to eliminate the key in its longitudinal axis gets destroyed. It is favorable in terms of locking technology if the locking bar is controlled by an inclined flank when closing is shifted out of the locking groove. This sets however, the presence of the right side profiled Key ahead. Is technically favorable it when the key side profiling from cross to Key notches running along the longitudinal axis are. The latter can be produced by milling. The arch notch then follows the course of a side milling cutter, so the creation of such arch notches on key milling machines known per se can. Minimal wear on the scanning heads also Long service life results from the fact that the cross crest lines of the key channel axis Scanning heads are adapted to the course of the arch notches. So there is no point-like, but linear Touch when placing the locking elements instead of connected with the aforementioned reduced wear. It should also be emphasized that the relocation level the locking bar spaced from a diametral plane runs. Furthermore, according to the invention, it is also advantageous roof-like, tax slopes running into the key wide areas provided. These allow smooth running Insert the key into the key channel. A alternative solution is characterized in that the Locking bars have insertion openings for the locking projections training pegs. this leads to a simple and cost-saving production. For the locking projections are only the insertion pins in the insertion openings of the locking bar. With insertion openings arranged in a row one behind the other on the locking bar it is possible to Insertion openings optionally with insertion pins equip. So that the insertion pins in their insertion openings are locked, the plug pins in the insertion openings in the press fit. Then it is possible to measure different lengths Insert pins associated with the insertion openings with a different projection of the probes the insertion pins over the locking bar. Further it is still advantageous in terms of manufacturing technology that the frustoconical ends of the insertion pins with similarly shaped sampling funnel openings of the key work together.

Nachstehend werden zwei Ausführungsbeispiele der Erfindung anhand der Zeichnungen erläutert. Es zeigt:

Fig. 1
einen Querschnitt durch einen erfindungsgemäß gestalteten Schließzylinder bei nicht steckendem Schlüssel, vergrößert dargestellt, betreffend die erste Ausführungsform,
Fig. 2
den Schnitt nach der Linie II-II in Fig. 1,
Fig. 3
eine der Fig. 1 vergleichbare Darstellung, jedoch bei eingestecktem Schlüssel und mittels diesem gedrehten Zylinderkern einhergehend mit der Aussteuerung der Sperrelemente,
Fig. 4
den Schnitt nach der Linie IV-IV in Fig. 3,
Fig. 5
einen Querschnitt durch einen abweichend gestalteten Schließzylinder bei nicht eingeführtem Schlüssel, betreffend die zweite Ausführungsform,
Fig. 6
den Schnitt nach der Linie VI-VI in Fig. 5,
Fig. 7
eine der Fig. 5 vergleichbare Darstellung, jedoch bei eingestecktem Schlüssel und mittels diesem gedrehten Zylinderkern verbunden mit einer Aussteuerung des Sperrbalkens und
Fig. 8
den Schnitt nach der Linie VIII-VIII in Fig. 7.
Two exemplary embodiments of the invention are explained below with reference to the drawings. It shows:
Fig. 1
3 shows a cross section through a locking cylinder designed according to the invention with the key not inserted, shown enlarged, relating to the first embodiment
Fig. 2
the section along the line II-II in Fig. 1,
Fig. 3
1 is a representation comparable to FIG. 1, but with the key inserted and the cylinder core rotated by means of this with the actuation of the locking elements,
Fig. 4
the section along the line IV-IV in Fig. 3,
Fig. 5
3 shows a cross section through a differently designed locking cylinder with the key not inserted, relating to the second embodiment,
Fig. 6
the section along the line VI-VI in Fig. 5,
Fig. 7
a representation comparable to FIG. 5, but with the key inserted and by means of this rotated cylinder core connected to an actuation of the locking bar and
Fig. 8
the section along the line VIII-VIII in Fig. 7.

Der in den Figuren 1 bis 4 dargestellte Schließzylinder gemäß der ersten Ausführungsform besitzt ein im Grundriß kreisförmiges Zylindergehäuse 1. Alternativ wäre auch eine andere Querschnittsform des Zylindergehäuses möglich, wie z.B. ein Oval- oder ein Profilzylinder. In einer zentralen Kernbohrung 2 nimmt das Zylindergehäuse 1 einen Zylinderkern 3 auf. Letzterer besitzt einen querschnittsprofilierten Schlüsselkanal 4 mit einem parazentrischen Schlüsselkanalprofil. Einendseitig ist der Schlüsselkanal 4 zur Kernbohrung 2 hin offen.The locking cylinder shown in Figures 1 to 4 according to the first embodiment has a plan circular cylinder housing 1. Alternatively, would be also a different cross-sectional shape of the cylinder housing possible, e.g. an oval or a profile cylinder. In a central core bore 2 takes the cylinder housing 1 a cylinder core 3. The latter has one cross-sectional key channel 4 with a paracentric key channel profile. Is one-sided the key channel 4 to the core hole 2 open.

In der Ebene des Schlüsselkanales 4 sind hintereinanderliegend im Zylindergehäuse 1 und Zylinderkern 3 miteinander fluchtende Stiftbohrungen 5, 6 vorgesehen, wobei jeweils eine Stiftbohrung 5 des Zylindergehäuses 1 mit einer Stiftbohrung 6 des Zylinderkernes 3 fluchtet. Die Stiftbohrung 6 nimmt einen Kernstift 7 und die Stiftbohrung 5 einen Gehäusestift 8 auf. Letzterer wird von einer Stiftfeder 9 in Richtung des Kernstiftes 7 beaufschlagt derart, daß bei abgezogenem Schlüssel die Trennfuge zwischen Kernstift 7 und Gehäusestift innerhalb des Zylinderkerns 3 verläuft, so daß die die Zuhaltungen darstellenden Kernstifte 7 und Gehäusestifte 8 eine Drehung des Zylinderkerns 3 sperren. Die Stiftbohrung 5 des Zylindergehäuses 1 ist außenseitig durch einen Verschlußstopfen 10 abgedeckt, an welchem sich das eine Ende der Stiftfeder 9 abstützt. Beiderseits des Schlüsselkanals verlaufen rechtwinklig zum Schlüsselkanal ausgerichtete, in diesen mündende Führungsausnehmungen 11, 12 zur Aufnahme von Sperrelementen S. Die Führungsausnehmungen 11, 12 sind dabei beabstandet zu einer Diametralebene angeordnet und befinden sich auf der den Zuhaltungen gegenüberliegenden Hälfte des Zylinderkerns 3. Ferner reichen die Führungsausnehmungen 11, 12 bis zur Umfangslinie des Zylinderkerns, also bis zur Drehfuge F desselben innerhalb des Zylindergehäuses 1. Mit den Führungsausnehmungen 11, 12 fluchten längsnutenförmig gestaltete Sperrausnehmungen 13, 14 des Zylindergehäuses 1. Jede Sperrausnehmung 13, 14 besitzt zwei dachförmig zueinanderverlaufende Schrägflanken 15, 16. Formpassend in die Sperrausnehmungen 13, 14 ragen die Sperrenden 17 der Sperrelemente S hinein. Die äußere Stirnfläche 17' der Sperrenden 17 verläuft gekrümmt derart, daß der Krümmungsverlauf demjenigen der Drehfuge F angepaßt ist.In the plane of the key channel 4 are one behind the other in the cylinder housing 1 and cylinder core 3 with each other aligned pin holes 5, 6 are provided, wherein each with a pin hole 5 of the cylinder housing 1 a pin hole 6 of the cylinder core 3 is aligned. The Pin hole 6 takes a core pin 7 and the pin hole 5 a housing pin 8. The latter is from a pin spring 9 is applied in the direction of the core pin 7 such that when the key is removed, the parting line between core pin 7 and housing pin inside of the cylinder core 3, so that the tumblers performing core pins 7 and housing pins 8 a Lock the rotation of the cylinder core 3. The pin hole 5 of the cylinder housing 1 is on the outside by a Plug 10 covered, on which the one End of the pin spring 9 supports. On both sides of the key channel run at right angles to the key channel aligned, leading into these recesses 11, 12 for receiving locking elements S. The guide recesses 11, 12 are spaced from one Diametral plane and are located on the Tumblers opposite half of the cylinder core 3. Furthermore, the guide recesses 11, 12 to to the circumferential line of the cylinder core, i.e. up to the rotary joint F of the same inside the cylinder housing 1. With the guide recesses 11, 12 are aligned in the form of longitudinal grooves designed locking recesses 13, 14 of the cylinder housing 1. Each locking recess 13, 14 has two inclined flanks 15, 16 running towards each other in a roof shape. The shape protrude into the locking recesses 13, 14 Locking ends 17 of the locking elements S. The outer End face 17 'of the locking ends 17 is curved such that the curvature course that of the rotary joint F is adjusted.

Beim Ausführungsbeispiel sind auf jeder Schlüsselbreitseite drei hintereinanderliegende Sperrelemente S vorgesehen, wobei die Sperrelemente S über einen Steg 18 miteinander verbunden sind. Letzterer ist als die Sperrenden 17 miteinander verbindender Sperrbalken gestaltet derart, daß seine Stirnfläche 18' mit der Stirnfläche 17' der Sperrenden 17 fluchtet. Jedes Sperrelement S bildet einen dem Schlüsselkanal 4 zugewendeten Tastkopf 19 aus mit quer zur Schlüsselkanalachse verlaufenden Scheitellinien 19', welche bogenförmig verlaufen. Die Scheitellinie 19' wird dabei von der Spitze zweier Dachflanken 20 geformt, welche ebenfalls einen bogenförmigen Verlauf aufweisen. Wie die Figuren 2 und 4 es besonders veranschaulichen, sind die Sperrvorsprünge bzw. die Tastköpfe 19 der sich gegenüberliegenden Sperrbalken 18 versetzt zueinander angeordnet. Das bedeutet, daß die Scheitel 19' des einen Sperrbalkens 18 auf Lücke sitzen zu den Scheiteln 19' des anderen Sperrbalkens 18.In the embodiment are on every key broadside three locking elements S are provided one behind the other, the locking elements S with each other via a web 18 are connected. The latter is as the blocking 17 connecting locking bars designed such that its end face 18 'with the end face 17 'of the locking ends 17 is aligned. Each locking element S forms a probe facing the key channel 4 19 from with transverse to the key channel axis Vertex lines 19 ', which run in an arc shape. The The apex line 19 'is from the top of two Roof flanks 20 shaped, which are also arcuate Show course. Like Figures 2 and 4 it The locking projections are particularly illustrative or the probes 19 of the opposite locking bars 18 offset from one another. That means, that the apex 19 'of a locking bar 18 on Gap sit to the apices 19 'of the other locking bar 18th

Dem Querschnittsprofil des Schlüsselschaftes 4 ist das eines Schlüssels 21 angepaßt. Dessen Schlüsselspitze 22 ist mit zwei dachförmig zueinanderstehenden, in die Schlüsselbreitflächen auslaufenden Steuerschrägen 23 ausgestattet. Ferner besitzt der Schlüssel 21 an seiner den Zuhaltungen zugewendeten Schmalkante Einschnitte 24 zum Einordnen der von den Kernstiften 7 und Gehäusestiften 8 gebildeten Zuhaltungen. Es liegt im übrigen ein parazentrisches Schlüsselprofil vor. Das bedeutet, daß zumindest eine von den Schlüsselbreitseiten ausgehende Nut bis zur Schlüssellängsmittelebene reicht bzw. diese schneidet.The cross-sectional profile of the key shaft 4 is adapted a key 21. Its key tip 22 is with two roof-shaped, in which Key slopes expiring tax slopes 23 fitted. Furthermore, the key 21 has on it the narrow edge incisions 24 for arranging the core pins 7 and housing pins 8 tumblers formed. It lies in the rest paracentric key profile. It means that at least one originating from the key broadsides Groove extends to the key longitudinal median plane or this cuts.

Auf Höhe der Tastköpfe 19 sind in den Schlüsselseitenflächen Bogenkerben 25 eingeschnitten, deren Kerbengrund 25' dem Verlauf der Scheitel 19' der Tastköpfe 19 entspricht. Mindestens eine Bogenkerbe 25 ist so gestaltet, daß deren Kerbengrund 25' bis zur Schlüssellängsmittelebene reicht bzw. diese schneidet. Die Bogenkerben 25 sind mittels eines Scheibenfräsers eingearbeitet, welcher in seinem Durchmesser so groß dimensioniert ist, daß der linienförmige Scheitel 19 dem Kerbengrund 25' angepaßt ist.At the level of the probes 19 are in the key side surfaces Notches 25 cut into the notch base 25 'the course of the apex 19' of the probe heads 19 equivalent. At least one arch notch 25 is designed that their notch base 25 'to the longitudinal key plane is enough or cuts them. The bow notches 25 are incorporated by means of a side milling cutter, which is so big in diameter is that the linear apex 19 is the bottom of the notch 25 'is adapted.

Es stellt sich folgende Wirkungsweise ein:The following mode of action occurs:

Durch Einstecken des Schlüssels 21 in den Schlüsselkanal 4 werden die Zuhaltungsstifte so eingeordnet, daß deren Trennstelle auf Höhe der Drehfuge F des Zylinderkerns 3 liegt. Ferner liegen die Bogenkerben 25 an den Schlüsselbreitseiten den betreffenden Scheiteln 19' der Tastköpfe 19 der Sperrelemente S gegenüber. Es kann nun die Schließdrehung mittels des Schlüssels 21 vorgenommen werden, wobei über die Schrägflanken 15, 16 der Sperrausnehmungen 13, 14 die Sperrelemente S einschließlich der sie verbindenden Stege 18 in Richtung der Schlüsselbreitseiten verlagert werden verbunden damit, daß die Tastköpfe 19 formausfüllend in die Bogenkerben 25 eintreten. Die Scheitel 19' der Tastköpfe 19 liegen dann am Kerbengrund 25' an. Die Schließdrehung kann somit weiter durchgeführt werden.By inserting the key 21 into the key channel 4 the tumbler pins are arranged so that their separation point at the level of the rotary joint F of the cylinder core 3 lies. Furthermore, the notches 25 lie on the Key broadsides the relevant vertices 19 'of Probe heads 19 of the locking elements S opposite. It can now the closing rotation is carried out by means of the key 21 be, with the sloping sides 15, 16 of Locking recesses 13, 14 including the locking elements S. of the webs 18 connecting them in the direction of Key broadsides are being relocated to that the probes 19 fill the form in the notches 25 occur. The apex 19 'of the probes 19 are then at notch bottom 25 '. The closing rotation can thus continue to be carried out.

Nach vollendeter Schließdrehung ist es möglich, den Schlüssel 21 abzuziehen, wobei über die Breitseitenprofilierungen die Sperrelemente S in Auswärtsrichtung gesteuert werden und dabei mit ihren Sperrenden 17 mit den sie verbindenden Stegen 18 in die Sperrausnehmungen 13, 14 eintauchen, so daß nach Abzug des Schlüssels 21 die Stellung gemäß Fig.1 vorliegt.After the closing rotation has been completed, it is possible to Subtract key 21, using the broadside profiling the locking elements S controlled in the outward direction be and with their locking ends 17 with the webs 18 connecting them into the locking recesses 13, 14 so that after removing the key 21 the position according to Fig.1 is present.

Es ist möglich, die Stege in Auswärtsrichtung, also in Eingriffsrichtung in die Sperrausnehmungen 13 abzufedern, so daß sie nur bei Schließdrehung in die ihnen zugeordneten Bogenkerben 25 des Schlüssels 21 eintauchen.It is possible to move the webs in the outward direction, i.e. in Cushion the direction of engagement in the locking recesses 13, so that they only turn when closing Immerse the associated notches 25 of the key 21.

Wird ein falscher Schlüssel verwendet, wobei z.B. nur eine abweichend tiefbemessene Bogenkerbe vorliegt, so vermag bei der Schließdrehung des Zylinderkerns der betreffende Steg 18 mit den Sperrenden 17 nicht die Sperrausnehmung 13 bzw. 14 zu verlassen, was einer versuchten Schließdrehung einen erheblichen Widerstand leistet.If an incorrect key is used, e.g. just there is a deviatingly deep arch notch, see above is capable of closing the cylinder core relevant web 18 with the locking ends 17 not the Lock recess 13 or 14 to leave what one attempted closing rotation a considerable resistance guaranteed.

Bei der in den Figuren 5 bis 8 veranschaulichten zweiten Ausführungsform tragen gleiche Teile gleiche Bezugsziffern. Abweichend sind nun die Sperrelemente S' als Sperrvorsprünge ausbildende Einsteckstifte 26 gestaltet, welche in reihenförmig am Sperrbalken 28 vorgesehene Einstecköffnungen 27 eingesetzt sind. Es ist dabei möglich, die Einsteckstifte 26 wahlweise in die Einstecköffnungen 27 einzubringen. Beim Ausführungsbeispiel sind sämtliche Einstecköffnungen 27 mit Einsteckstiften 26 besetzt. Möglich wäre es, nur einige der Einstecköffnungen 27 mit Einsteckstiften 26 zu bestücken. Auch ist hier vorgesehen, daß die Einsteckstifte 26 des einen Sperrbalkens 28 auf Lücke angeordnet sind zu den Einsteckstiften 26 des gegenüberliegenden Sperrbalkens 28. Vorzugsweise sind die Einsteckstifte 26 im Klemmsitz in die Einstecköffnungen 27 eingesetzt. Ferner besitzen die Einsteckstifte 26 eine unterschiedliche Länge, haben also einen unterschiedlich großen Überstand über den Sperrbalken 28.The second illustrated in FIGS. 5 to 8 Embodiment have the same parts with the same reference numerals. The blocking elements S 'are now different Designed locking pins 26, which are provided in rows on the locking bar 28 Insert openings 27 are used. It is there possible, the insertion pins 26 optionally in the insertion openings 27 to bring. In the embodiment are all insertion openings 27 with insertion pins 26 occupied. It would be possible to have only a few of the insertion openings 27 to insert with pins 26. It is also provided here that the insertion pins 26 of the a locking bar 28 are arranged on the gap Insert pins 26 of the opposite locking bar 28. The insertion pins 26 are preferably in the press fit inserted into the insertion openings 27. Further the pins 26 have a different Length, so they have different overhangs over the locking bar 28.

Die dem Schlüsselkanal 4 zugekehrten Enden 26' der Einsteckstifte 26 sind kegelstumpfförmig gestaltet und wirken mit gleichartig ausgebildeten Abtast-Trichteröffnungen 29 an den Schlüsselbreitseitenflächen zusammen.The ends 26 'of the key channel 4 facing the Insert pins 26 are frustoconical and act with similarly shaped sampling funnel openings 29 together on the key broad side surfaces.

Die Wirkungsweise dieser zweiten Ausführungsform entspricht der zuvorgeschilderten Weise der ersten Ausführungsform. Das bedeutet, daß der Schließzylinder nur dann schließbar ist, wenn die vorschriftsmäßigen Abtast-Trichteröffnungen 29 am Schlüsselschaft des Schlüssels 21' vorgesehen sind.The mode of operation of this second embodiment corresponds the above-described manner of the first embodiment. That means the lock cylinder only is then closable when the proper scanning funnel openings 29 on the key shaft of the key 21 'are provided.

Die Sperrbalken 28 dieser zweiten Ausführungsform entsprechen in ihrem Aufbau den Sperrbalken 18 der ersten Ausführungsform. In die Sperrausnehmungen 13, 14 des Zylindergehäuses ragt der radial auswärts liegende Balkenabschnitt 28' des Sperrbalkens 28 hinein. Dessen äußeres Stirnende 28'' verläuft gekrümmt derart, daß der Krümmungsverlauf demjenigen der Drehfuge F angepaßt ist. Mit dem Balkenabschnitt 28' wirken die dachförmig zueinander verlaufenden Schrägflanken 15, 16 der Sperrausnehmungen 13, 14 zusammen.The locking bars 28 correspond to this second embodiment in its construction the locking bar 18 of the first Embodiment. In the locking recesses 13, 14 of the The cylinder housing protrudes radially outward Beam section 28 'of the locking beam 28 into it. Whose outer end 28 '' is curved such that the course of curvature is adapted to that of the rotary joint F. is. With the beam section 28 'they act roof-shaped mutually extending inclined flanks 15, 16 of the locking recesses 13, 14 together.

Claims (11)

  1. Lock cylinder with a cylinder plug (3) which is arranged rotatably in a cylinder housing (1) and comprises a key channel (4) and in which locking elements (S) cooperating with the side profiling of the key are guided slidably transversely to the key channel axis, which at one end with their locking end (17) cooperate with a locking recess (13, 14) of the cylinder housing (1) and which at the other end form a sensing head (19) which senses the side profiling of the key and wherein at least two locking elements located one behind the other in the direction of key insertion are kinetically connected to each other by a web to form a locking bar, characterised by two diametrically opposed locking bars (18, 28) with locking projections (19, 26). respectively offset from each other, wherein in each case at least one apex of the mutually opposed locking projections in their position allowing plug rotation pass through a common plane.
  2. Lock cylinder according to claim 1, characterised in that the locking bar (18, 28) under the control of a sloping flank is displaced out of the groove-like locking recess (13, 14) during locking rotation.
  3. Lock cylinder according to one or more of the preceding claims, characterised in that the side profiling of the key is formed by arcuate notches (25) running transversely to the longitudinal axis of the key.
  4. Lock cylinder according to one or more of the preceding claims, characterised in that the apex lines (19') of the sensing heads (19), which run transversely to the key channel axis, are adapted to the shape of the arcuate notches (25).
  5. Lock cylinder according to one or more of the preceding claims, characterised in that the plane of displacement of the locking bars (18, 28) runs at a distance from a diametric plane.
  6. Lock cylinder according to one or more of the preceding claims, characterised by control slopes (23) which are provided at the key apex (22) and are in a roof shape to each other and which run into the broad surfaces of the key.
  7. Lock cylinder according to one or more of the preceding claims, characterised in that the locking bars (28) comprise insertion openings (27) for insertion pins (26) which form the locking projections.
  8. Lock cylinder according to one or more of the preceding claims, characterised in that the insertion pins (26) are optionally insertable in insertion openings (27).
  9. Lock cylinder according to one or more of the preceding claims, characterised in that the insertion pins (26) are press-fitted in the insertion openings (27).
  10. Lock cylinder according to one or more of the preceding claims, characterised in that the insertion pins (26) have different lengths.
  11. Lock cylinder according to one or more of the preceding claims, characterised in that the frustoconically shaped ends (26') of the insertion pins (26) cooperate with similarly shaped sensing funnel openings (29) of the key (21').
EP99113292A 1998-08-21 1999-07-09 Cylinderlock Expired - Lifetime EP0984122B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19838000A DE19838000A1 (en) 1998-08-21 1998-08-21 Locking cylinder
DE19838000 1998-08-21

Publications (2)

Publication Number Publication Date
EP0984122A1 EP0984122A1 (en) 2000-03-08
EP0984122B1 true EP0984122B1 (en) 2004-02-18

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ID=7878273

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99113292A Expired - Lifetime EP0984122B1 (en) 1998-08-21 1999-07-09 Cylinderlock

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EP (1) EP0984122B1 (en)
AT (1) ATE259925T1 (en)
DE (2) DE19838000A1 (en)
ES (1) ES2212420T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017120639A1 (en) 2017-09-07 2019-03-07 Wilka Schließtechnik GmbH lock cylinder

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009044207B4 (en) 2009-10-08 2012-01-05 C.Ed. Schulte Gesellschaft mit beschränkter Haftung Zylinderschlossfabrik Lock cylinder with associated key and Sperrrippenabtastung
CN102943596B (en) * 2012-12-05 2015-01-14 秦小茹 Lockset

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Publication number Priority date Publication date Assignee Title
DE2003059C3 (en) * 1970-01-23 1979-11-22 Fa. Aug. Winkhaus, 4404 Telgte Locking system
CH608069A5 (en) * 1975-09-19 1978-12-15 Dom Sicherheitstechnik Reversible flat key for a cylinder lock
ATE31569T1 (en) * 1983-02-04 1988-01-15 Evva Werke CYLINDER LOCK WITH CYLINDER HOUSING AND A CYLINDER CORE AND KEY.
US4723427A (en) * 1986-03-21 1988-02-09 Medeco Security Locks Inc. Symmetrical side bar lock and key therefor
US5475998A (en) * 1994-05-27 1995-12-19 Sargent Manufacturing Company Lock assembly with locking bar
AT405668B (en) * 1995-02-01 1999-10-25 Evva Werke FLAT KEY FOR CYLINDLE LOCK

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017120639A1 (en) 2017-09-07 2019-03-07 Wilka Schließtechnik GmbH lock cylinder

Also Published As

Publication number Publication date
DE59908561D1 (en) 2004-03-25
EP0984122A1 (en) 2000-03-08
ATE259925T1 (en) 2004-03-15
ES2212420T3 (en) 2004-07-16
DE19838000A1 (en) 2000-02-24

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