EP0144734A1 - Key and lock combination, especially for locking units - Google Patents

Key and lock combination, especially for locking units Download PDF

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Publication number
EP0144734A1
EP0144734A1 EP84113202A EP84113202A EP0144734A1 EP 0144734 A1 EP0144734 A1 EP 0144734A1 EP 84113202 A EP84113202 A EP 84113202A EP 84113202 A EP84113202 A EP 84113202A EP 0144734 A1 EP0144734 A1 EP 0144734A1
Authority
EP
European Patent Office
Prior art keywords
profile
key
variation
lock
section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP84113202A
Other languages
German (de)
French (fr)
Other versions
EP0144734B1 (en
Inventor
Werner Tietz
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.)
Ikon AG Prazisionstechnik
Original Assignee
Zeiss Ikon AG
Ikon AG Prazisionstechnik
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25815389&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0144734(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19833340073 external-priority patent/DE3340073A1/en
Priority claimed from DE19843437568 external-priority patent/DE3437568A1/en
Application filed by Zeiss Ikon AG, Ikon AG Prazisionstechnik filed Critical Zeiss Ikon AG
Priority to AT84113202T priority Critical patent/ATE27982T1/en
Publication of EP0144734A1 publication Critical patent/EP0144734A1/en
Application granted granted Critical
Publication of EP0144734B1 publication Critical patent/EP0144734B1/en
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0017—Key profiles
    • E05B19/0029—Key profiles characterized by varying cross-sections of different keys within a lock system
    • 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

Definitions

  • the invention relates to a lock and key system, especially for locking systems, and has set itself the task of being able to offer greater security against unlocking locks.
  • the invention inversely proposes that the known assign the invariant basic profile to the area of the key face bearing the classification notches and to provide this with at least two profile designs (paracentric profile design) that cross the key center line and the variation or system profile in the key spine adjoining section
  • the variation or system profile should have at least one over.
  • the key side surfaces have protruding locking rib profile and the profile incisions of the invariant basic profile and the variation or system profile a rectangular cross section.
  • FIG. 1 shows the prior art, from which the invention forms a departure.
  • This state of the art represents a key 1 in which the basic profile 2 is assigned to the section adjacent to the key back 3 and the variation profile 4 is assigned to the section adjacent to the key face 5 provided with classification incisions.
  • Possible profile variations are indicated in FIG. 1, and it goes without saying that the key channel in the region of the variation profile must have at least the opening indicated by dashed lines at 6 and, in the basic form, a straight-line opening.
  • FIGS. 2 to 4 The invention shown in FIGS. 2 to 4 is characterized in that the invariant basic profile 7 is moved into the key section 5 containing the classification notches, while the system or variation profile 8 belongs to the section near the key back, which can extend to the key center part.
  • FIG. 2 shows a superordinate key largely undressed from the variation profile
  • FIGS. 3 and 4 show keys with indicated variation profile configurations. Both keys, however, have in common that in the lower section, namely that of the key chest 5, they carry a basic profile 7 which, as the exemplary embodiments show, consists of a pracentricity which exceeds the center line 9 at three points.
  • the indicated key channel 10 in this section has a jagged course that largely prevents the use of probing tools.
  • the other profile incisions 12 also have a rectangular cross section. After all, it is for security against the unauthorized opener. of the lock it is important that the key has at least one locking rib profile, ie a profile which projects beyond the key compartment side, so that reworking of the key could only be carried out by applying material. In the embodiments in Figures 2 to 4, 4 locking ribs are provided.

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  • Lock And Its Accessories (AREA)
  • Milling Processes (AREA)

Abstract

1. A lock-key system, particularly for hierarchy lock systems, wherein the keys are provided with an invariable basic profile (7) in the region of the key facing and with at least two profile formations which cross the centerline (9) of the key and a variation profile being positioned in a section adjacent to the key spine characterized in that said variation profile (8) includes at least one safety rib profile projecting beyond a lateral face of the key and that the profile incisions of said invariable basic profile (7) and said variation profile (8) have a rectangular cross section with a width of 0,6 mm and said incisions being manufactured by use of milling disks.

Description

Die Erfindung betrifft ein Schloß-Schlüsselsystem, insbesondere für Verschlußanlagen, und hat sich die Aufgabe gestellt, eine größere Sicherheit gegen das Auftasten von Schlössern bieten zu können.The invention relates to a lock and key system, especially for locking systems, and has set itself the task of being able to offer greater security against unlocking locks.

Es sind bereits Systeme bekannt, bei denen das Variations- oder Anlagenprofil dem Schlüsselbrustbereich, also dem Bereich, der die Einordnungskerben trägt, zugeordnet ist, während der dem Schlüsselrücken angrenzende Abschnitt mit dem invarianten Grund- oder Führungsprofil ausgestattet ist. Der Nachteil dieser Zuordnungenvon Variations-und in invariantem Grundprofil ist darin zu sehen, daß der Schlüsselkanal gerade im Bereich der Zuhaltungen unter Einhaltung einer Mindestbreite und geradlinig begrenzt gehalten werden muß, was Möglichkeiten für die Einführung und Betätigung von Abtastwerkzeugen eröffnet.Systems are already known in which the variation or system profile is assigned to the key chest area, that is to say the area which carries the classification notches, while the section adjacent to the key back is equipped with the invariant basic or guide profile. The disadvantage of these assignments of variation and in an invariant basic profile can be seen in the fact that the key channel must be kept in a straight line in the area of the tumblers while maintaining a minimum width, which opens up possibilities for the introduction and actuation of scanning tools.

Zur Vermeidung dieses Nachteils wird von der Erfindung in Umkehrung vom Bekannten vorgeschlagen, das invariante Grundprofil dem Bereich der die Einordnungskerben tragenden Schlüsselbrust zuzuordnen und dieses mit mindestens zwei die Schlüsselmittellinie überschreitenden Profilausbildungen (parazentrische Profilausbildung) zu versehen und das Variations- oder Anlagenprofil in den dem Schlüsselrücken angrenzenden Abschnitt zu verlegen Außerdem soll das Variations- oder Anlagenprofil mindestens ein über . die Schlüsselseitenflächen hinausragendes Sperrippenprofil aufweisen und die Profileinschnitte des invarianten Grundprofils und des Variations- oder Anlagenprofils besitzen einen rechteckigen Querschnitt.In order to avoid this disadvantage, the invention inversely proposes that the known assign the invariant basic profile to the area of the key face bearing the classification notches and to provide this with at least two profile designs (paracentric profile design) that cross the key center line and the variation or system profile in the key spine adjoining section In addition, the variation or system profile should have at least one over. the key side surfaces have protruding locking rib profile and the profile incisions of the invariant basic profile and the variation or system profile a rectangular cross section.

Der hiermit erzielte Vorteil ist darin zu erblicken, daß der Schlüsselkanal im Bereich dieses Grundprofilabschnitts immer eine gezackte Ausbildung aufweist, die Abtastwerkzeugen den Zugang weitgehendst verwehrt, was zur Folge hat, daß die Abtastsicherheit erheblich erhöht ist.The advantage achieved in this way can be seen in the fact that the key channel in the area of this basic profile section always has a jagged design which largely prevents access to the scanning tools, with the result that the scanning security is considerably increased.

Die Erfindung wird anhand der Ausführungsbeispiele darstellenden Figuren 2 bis 4 näher erläutert. Fig. 1 zeigt den Stand der Technik, von dem die Erfindung eine Abkehr bildet. Als dieser Stand der Technik stellt sich ein Schlüssel 1 dar, bei dem das Grundprofil 2 dem dem Schlüsselrücken 3 angrenzenden Abschnitt und das Variationsprofil 4 dem der mit Einordnungseinschnitten versehenen Schlüsselbrust 5 angrenzenden Abschnitt zugeordnet ist. In der Figur 1 sind mögliche Profilvariationen angedeutet, und es versteht sich von selbst, daß der Schlüsselkanal im Bereich des Variationsprofils mindestens die bei 6 gestrichelt angedeutete und, in der Grundform, eine geradlinig begrenzte Öffnung aufweisen muß.The invention is explained in more detail with reference to FIGS. 2 to 4, which represent exemplary embodiments. Fig. 1 shows the prior art, from which the invention forms a departure. This state of the art represents a key 1 in which the basic profile 2 is assigned to the section adjacent to the key back 3 and the variation profile 4 is assigned to the section adjacent to the key face 5 provided with classification incisions. Possible profile variations are indicated in FIG. 1, and it goes without saying that the key channel in the region of the variation profile must have at least the opening indicated by dashed lines at 6 and, in the basic form, a straight-line opening.

Die in den Figuren 2 bis 4 dargestellte Erfindung zeichnet sich dadurch aus, daß das invariante Grundprofil 7 in den die Einordnungskerben enthaltenden Schlüsselabschnitt 5 verlegt ist, während das Anlagen- oder variationsprofil 8 dem schlüsselrückennahen Abschnitt, der sich bis zur Schlüsselmittenpartie erstrecken kann, angehört. In Figur 2 ist ein des Variationsprofils weitgehendst entkleideter übergeordneter Schlüssel gezeigt, während Figur 3 bzw. 4 Schlüssel mit angedeuteten Variationsprofilausbildungen erkennen lassen. Beiden Schlüsseln ist indessen gemeinsam, daß sie im unteren Abschnitt, nämlich dem der Schlüsselbrust 5, ein Grundprofil 7 tragen, das wie die Ausführungsbeispiele zeigen, aus einer die Mittellinie 9 an drei Stellen überschreitenden Prazentrik besteht. Der gestrichelt angedeutete Schlüsselkanal 10 in diesem Abschnitt weist einen das Arbeiten mit Auftastwerkzeugen weitgehendst verhindernden gezackten Verlauf auf. Auch die übrigen Profileinschnitte 12 besitzen einen rechteckigen Querschnitt. Schließlich ist es für die Sicherheit gegen das unbefugte Öffner. des Schlosses wichtig, daß der Schlüssel wenigstens ein Sperrippenprofil aufweist, d.h. ein Profil, das über die Schlüsselfachseite hinausragt, so daß ein Nacharbeiten des Schlüssels nur durch Auftragen von Material erfolgen könnte. Bei den Ausführungen in den Figuren 2 bis 4 sind jeweils 4 Sperrippen vorgesehen.The invention shown in FIGS. 2 to 4 is characterized in that the invariant basic profile 7 is moved into the key section 5 containing the classification notches, while the system or variation profile 8 belongs to the section near the key back, which can extend to the key center part. FIG. 2 shows a superordinate key largely undressed from the variation profile, while FIGS. 3 and 4 show keys with indicated variation profile configurations. Both keys, however, have in common that in the lower section, namely that of the key chest 5, they carry a basic profile 7 which, as the exemplary embodiments show, consists of a pracentricity which exceeds the center line 9 at three points. The dashed The indicated key channel 10 in this section has a jagged course that largely prevents the use of probing tools. The other profile incisions 12 also have a rectangular cross section. After all, it is for security against the unauthorized opener. of the lock it is important that the key has at least one locking rib profile, ie a profile which projects beyond the key compartment side, so that reworking of the key could only be carried out by applying material. In the embodiments in Figures 2 to 4, 4 locking ribs are provided.

Ein besonderer lorteil der erfindungsgemäßen Lösung sei abschließend noch hervorgehoben. Die im Querschnitt rechteckige Ausbildung der Profileinschnitte bzw. -erhebungen ermöglicht eine virtschaftliche Herstellung der Schlüssel, und bedingt dadurch kann eine Vielzahl von Variationen vorgenommen werden, weil eine sehr geringe Breite der Profileinschnitte z.B. durch Frässcheiben erzeugt werden kann und damit eine sehr große Anzahl dieser auf kleinstem Raum unterbringbar ist.Finally, a special part of the solution according to the invention should be emphasized. The cross-sectionally rectangular design of the profile incisions or elevations enables the keys to be produced economically, and as a result a large number of variations can be made, because a very small width of the profile incisions e.g. can be generated by milling disks and thus a very large number of them can be accommodated in the smallest space.

Claims (3)

1. Schloß-Schlüsselsystem, insbesondere für Verschlußanlagen, bei dem die Schlüssel mit einem invarianten Grundprofil und einem Anlagen--oder Variationsprcfil versehen sind, gekennzeichnet durch die Kombination folgender Merkmale: a) das invariante Grundprofil (7) ist dem Bereich der die Einordnungskerben tragenden Schlüsselbrust (5) zugeordnet und mit mindestens zwei die Schlüsselmittellinie (9) überschreitenden Profilausbildungen ausgestattet, b) das Variations- oder Anlagenprofil (8) ist in den dem Schlüsselrücken angrenzenden Abschnitt verlegt, c) das Variations- oder Anlagenprofil (8) weist mindestens ein über die Schlüsselseitenflächen hinausragendes Sperrippenprofil (11) auf und d) die Profileinschnitte (12) des invarianten Grundprofils (7) und des Variations- oder Anlagenprofils (8) weisen rechteckigen Querschnitt auf. 1. Lock-key system, in particular for locking systems, in which the keys are provided with an invariant basic profile and a system or variation profile, characterized by the combination of the following features: a) the invariant basic profile (7) is assigned to the area of the key chest (5) carrying the classification notches and is equipped with at least two profile configurations which exceed the key center line (9), b) the variation or system profile (8) is laid in the section adjacent to the key back c) the variation or system profile (8) has at least one locking rib profile (11) protruding beyond the key side surfaces and d) the profile incisions (12) of the invariant basic profile (7) and the variation or system profile (8) have a rectangular cross section. 2. Schloß-Schlüsselsystem nach Anspruch 1, dadurch gekennzeichnet, daß die profileinschnitte bzw. -erhebungen eine geringe Breite aufweisen.2. lock-key system according to claim 1, characterized in that the p rofileinschnitte or -erhebungen have a small width. 3. Schloß-Schlüsselsystem nach Anspruch 2, dadurch gekennzeichnet, daß die Breite 0,6 mm beträgt.3. Lock and key system according to claim 2, characterized in that the width is 0.6 mm.
EP84113202A 1983-11-05 1984-11-02 Key and lock combination, especially for locking units Expired EP0144734B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84113202T ATE27982T1 (en) 1983-11-05 1984-11-02 LOCK-KEY SYSTEM, ESPECIALLY FOR LOCKING SYSTEMS.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3340073 1983-11-05
DE19833340073 DE3340073A1 (en) 1983-11-05 1983-11-05 LOCK-KEY SYSTEM, ESPECIALLY FOR LOCKING SYSTEMS
DE19843437568 DE3437568A1 (en) 1984-10-11 1984-10-11 Lock/key system
DE3437568 1984-10-11

Publications (2)

Publication Number Publication Date
EP0144734A1 true EP0144734A1 (en) 1985-06-19
EP0144734B1 EP0144734B1 (en) 1987-06-24

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ID=25815389

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Application Number Title Priority Date Filing Date
EP84113202A Expired EP0144734B1 (en) 1983-11-05 1984-11-02 Key and lock combination, especially for locking units

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EP (1) EP0144734B1 (en)
CA (1) CA1240530A (en)
DE (1) DE3464397D1 (en)
DK (1) DK524184A (en)
ES (1) ES291671Y (en)
FI (1) FI844328L (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4305809C1 (en) * 1993-02-25 1994-03-17 Kuenz Hans Helmut Cylinder-lock key for master-key system - has curved portion leading to guide groove bottom and four or more straight guide faces extending in different directions
EP0616100A1 (en) * 1993-03-13 1994-09-21 Heinz Wolter Closing device consisting of reversible flatkey and cylinderlock
EP0634542A1 (en) * 1993-07-13 1995-01-18 TrioVinG AS Lock cylinder
EP2186975A2 (en) 2008-11-14 2010-05-19 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
DE2637516A1 (en) * 1976-01-28 1977-08-04 Evva Werke KEY-LOCK COMBINATION
DE2551523B2 (en) * 1975-11-17 1978-07-20 Eaton Gmbh, 5620 Velbert Group flat key for rotary cylinder locks in locking systems
DE2817966A1 (en) * 1977-06-23 1979-01-18 Grundmann Gmbh Geb LOCKING SYSTEM ON CYLINDER LOCK BASE

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2551523B2 (en) * 1975-11-17 1978-07-20 Eaton Gmbh, 5620 Velbert Group flat key for rotary cylinder locks in locking systems
DE2637516A1 (en) * 1976-01-28 1977-08-04 Evva Werke KEY-LOCK COMBINATION
DE2817966A1 (en) * 1977-06-23 1979-01-18 Grundmann Gmbh Geb LOCKING SYSTEM ON CYLINDER LOCK BASE

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4305809C1 (en) * 1993-02-25 1994-03-17 Kuenz Hans Helmut Cylinder-lock key for master-key system - has curved portion leading to guide groove bottom and four or more straight guide faces extending in different directions
EP0616100A1 (en) * 1993-03-13 1994-09-21 Heinz Wolter Closing device consisting of reversible flatkey and cylinderlock
EP0634542A1 (en) * 1993-07-13 1995-01-18 TrioVinG AS Lock cylinder
EP2186975A2 (en) 2008-11-14 2010-05-19 Aug. Winkhaus GmbH & Co. KG Key for a lock cylinder
EP2186975A3 (en) * 2008-11-14 2012-05-30 Aug. Winkhaus GmbH & Co. KG Key for a lock cylinder

Also Published As

Publication number Publication date
DK524184D0 (en) 1984-11-02
DE3464397D1 (en) 1987-07-30
EP0144734B1 (en) 1987-06-24
FI844328L (en) 1985-05-06
DK524184A (en) 1985-05-06
FI844328A0 (en) 1984-11-05
ES291671U (en) 1987-01-01
CA1240530A (en) 1988-08-16
ES291671Y (en) 1987-08-16

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