EP0255986B1 - Lock and key combination - Google Patents

Lock and key combination Download PDF

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Publication number
EP0255986B1
EP0255986B1 EP87730091A EP87730091A EP0255986B1 EP 0255986 B1 EP0255986 B1 EP 0255986B1 EP 87730091 A EP87730091 A EP 87730091A EP 87730091 A EP87730091 A EP 87730091A EP 0255986 B1 EP0255986 B1 EP 0255986B1
Authority
EP
European Patent Office
Prior art keywords
key
lock
profiling
angle
key combination
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
Application number
EP87730091A
Other languages
German (de)
French (fr)
Other versions
EP0255986A1 (en
Inventor
Jürgen Krühn
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zeiss Ikon AG filed Critical Zeiss Ikon AG
Priority to AT87730091T priority Critical patent/ATE48874T1/en
Publication of EP0255986A1 publication Critical patent/EP0255986A1/en
Application granted granted Critical
Publication of EP0255986B1 publication Critical patent/EP0255986B1/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
    • E05B19/0035—Key profiles characterized by longitudinal bit variations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/778—Operating elements
    • Y10T70/7791—Keys
    • Y10T70/7842—Single shank or stem
    • Y10T70/7859—Flat rigid
    • Y10T70/7864—Cylinder lock type

Definitions

  • the invention relates to a lock-key combination with a profile of the side surfaces of the key.
  • the key back is used as the reference edge for an accurate production of the notch depths.
  • the invention has for its object to complicate the replacement of key copies.
  • This object is achieved according to the invention in that the continuous profiling runs at an angle different from 0 ° to the key back, so that when the key is inserted into the lock, it is guided in a direction deviating from its longitudinal axis.
  • the profiling according to the invention is therefore not, as is generally customary, parallel to the key spine, but at an angle which is preferably between 5 and 10 ° .
  • This configuration of the profiling significantly increases the uncontrolled replacement of key duplicates, in particular in the case of one-off production when the blank is not present, due to the degree of freedom of the angular arrangement that must also be taken into account.
  • FIG. 1 the cylinder housing is indicated by 13 and the cylinder core by 14.
  • the key 15 has a profile 1, which extends at an angle a to the key back 16.
  • the key 15 is inserted into the key channel of the cylinder core 14, but it carries out a movement obliquely upwards. Depending on the angle, this movement will hardly be noticed by the actuator.
  • the profiling and the key notches interact with the usual scanning devices, only the tumblers 17 being indicated in FIG. 1.
  • the back of the key 16 is disengaged in a suitable manner in regions and interacts with fields or projections 6-8 on the cylinder core 14.
  • These fields or projections 6 to 8 act as a kind of stops, which are passed under when the key is inserted into the key channel. Only a key whose back is matched to the arrangement of these fields or protrusions can be fully inserted into the key channel.
  • countersinks can be provided in the cylinder core. A part of this is filled in according to the coding of the fields or protrusions 6-8, while the rest remain free, so that when the cylinder core is rotated, pins, e.g. Housing pins that can sink into. In this way, further rotation can be prevented.
  • pins e.g. Housing pins that can sink into.
  • the profiling 2 can also run in an arc shape - that is, with a changing angle.

Landscapes

  • Lock And Its Accessories (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Graft Or Block Polymers (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Escalators And Moving Walkways (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)

Abstract

A lock and key combination includes profile shapes extending along the lateral faces of the key which extend at an angle relative to the key spine to make acquisition of replacement key copies more difficult.

Description

Die Erfindung betrifft eine Schloß-Schlüsselkombination mit einer Profilierung der Seitenflächen des Schlüssels.The invention relates to a lock-key combination with a profile of the side surfaces of the key.

Das Anfertigen von Schlüsselduplikaten aus Rohlingen, die nicht vom Hersteller des Schloß-Schlüsselsystemes der Ursprungslieferung stammen, macht die kontrollierte Ersatzbeschaffung von Schlüsselkopien unmöglich. Die Schlüsselkopien können bei dem Vorhandensein von geeigneten Schlüsselrohlingen auf konventionellen Kopiermaschinen gefertigt werden.The production of duplicate keys from blanks, which do not originate from the manufacturer of the lock-key system of the original delivery, makes the controlled replacement of key copies impossible. The key copies can be made on conventional copying machines if suitable key blanks are available.

Für eine genaue Fertigung der Kerbentiefen wird dabei der Schlüsselrücken als Bezugskante verwendet.The key back is used as the reference edge for an accurate production of the notch depths.

Dies gilt bspw. auch für die Schlüssel gemäß der US-A 4 270 372 bzw. US-A 3 264 852, die in den Schlüsselseitenflächen Rillen aufweist, die als Führungen für Sperrelemente dienen. Diese werden beim Einführen des Schlüssels in der Höhe verschoben und nehmen schließlich eine definierte Abgleichstellung ein, die dann eine Betätigung des Schlosses erlaubt.This also applies, for example, to the keys according to US Pat. Nos. 4,270,372 and 3,264,852, which have grooves in the key side surfaces that serve as guides for locking elements. These are shifted in height when the key is inserted and finally assume a defined adjustment position, which then allows the lock to be actuated.

Der Erfindung liegt die Aufgabe zugrunde, die Ersatzbeschaffung von Schlüsselkopien zu erschweren.The invention has for its object to complicate the replacement of key copies.

Gelöst wird diese Aufgabe erfindungsgemäß dadurch, daß die kontinuierliche Profilierung unter einem von 0° verschiedenen Winkel zum Schlüsselrücken verläuft, so daß beim Einführen des Schlüssels in das Schloß dieser in einer von seiner Längsachse abweichenden Richtung geführt wird.This object is achieved according to the invention in that the continuous profiling runs at an angle different from 0 ° to the key back, so that when the key is inserted into the lock, it is guided in a direction deviating from its longitudinal axis.

Die erfindungsgemäße Profilierung ist also nicht, wie allgemein üblich, parallel zum Schlüsselrücken ausgebildet, sondern unter einem Winkel, der vorzugsweise zwischen 5 und 10° liegt.The profiling according to the invention is therefore not, as is generally customary, parallel to the key spine, but at an angle which is preferably between 5 and 10 ° .

Durch diese Ausbildung der Profilierung wird die unkontrollierte Ersatzbeschaffung von Schlüsselduplikaten wesentlich erhöht, und zwar - insbesondere bei der Einzelanfertigung bei nicht vorhandenem Rohling - durch den zusätzlich zu berücksichtigenden Freiheitsgrad der Winkelanordnung.This configuration of the profiling significantly increases the uncontrolled replacement of key duplicates, in particular in the case of one-off production when the blank is not present, due to the degree of freedom of the angular arrangement that must also be taken into account.

Zusätzlich besteht die Möglichkeit, im Bereich des Schlüsselrückens bzw. mit diesem zusammen wirkend "Schikanen" im Schloßzylinder vorzusehen, also eine Art zusätzlicher Codierung.In addition, there is the possibility of providing "chicaning" in the lock cylinder in the area of the key back or interacting therewith, that is to say a type of additional coding.

Die Erfindung soll nachfolgend anhand von Ausführungsbeispielen näher erläutert werden. Dabei zeigt:

  • Figur 1 einen erfindungsgemäß ausgebildeten Schlüssel in einem schematisch im Schnitt dargestellten Schloßzylinder,
  • Fig. 2 und 4 Einzelheiten der Profilierung,
  • Figur 3 eine besondere Ausführung des Zylinderkemes,
  • Figur 5 Schnitt durch einen Schloßzylinder ohne Schlüssel, mit Stiftzuhaltungen und Feldern oder Vorsprüngen und
  • Figur 6 Schlüssel mit Aussparung, welche das Unterfahren der Felder oder Vorsprünge ermöglicht.
The invention will be explained in more detail below using exemplary embodiments. It shows:
  • FIG. 1 shows a key designed according to the invention in a lock cylinder shown schematically in section,
  • 2 and 4 details of the profiling,
  • FIG. 3 shows a special embodiment of the cylinder core,
  • Figure 5 section through a lock cylinder without a key, with tumblers and fields or projections and
  • Figure 6 key with recess, which allows the fields or protrusions to pass underneath.

In der Figur 1 ist mit 13 das Zylindergehäuse und mit 14 der Zylinderkern angedeutet.In FIG. 1 the cylinder housing is indicated by 13 and the cylinder core by 14.

Der Schlüssel 15 weist erfindungsgemäß eine Profilierung 1 auf, die unter einem Winkel a zum Schlüsselrücken 16 verläuft. Der Schlüssel 15 wird, wie üblich, in den Schlüsselkanal des Zylinderkernes 14 eingeführt, wobei er aber eine Bewegung schräg nach oben ausführt. Diese Bewegung wird aber - je nach Winkel - vom Betätiger kaum bemerkt werden. Die Profilierung und die Schlüsselkerben wirken mit den üblichen Abtasteinrichtungen zusammen, wobei in der Figur 1 lediglich die Zuhaltungen 17 angedeutet sind.According to the invention, the key 15 has a profile 1, which extends at an angle a to the key back 16. As usual, the key 15 is inserted into the key channel of the cylinder core 14, but it carries out a movement obliquely upwards. Depending on the angle, this movement will hardly be noticed by the actuator. The profiling and the key notches interact with the usual scanning devices, only the tumblers 17 being indicated in FIG. 1.

Die Bewegung des Schlüssels schräg nach oben ermöglicht es, weitere Sicherungen vorzusehen, und zwar sogenannte Schikanen. Hierzu ist der Schlüsselrücken 16 in geeigneter Weise bereichsweise ausgespurt und wirkt mit Feldern oder Vorsprüngen 6-8 am Zylinderkern 14 zusammen. Diese Felder oder Vorsprünge 6 bis 8 wirken als Art Anschläge, die beim Einführen des Schlüssels in den Schlüsselkanal unterfahren werden. Nur ein Schlüssel, dessen Rücken auf die Anordnung dieser Felder oder Vorsprünge abgestimmt ist, kann vollständig in den Schlüsselkanal eingeführt werden.Moving the key diagonally upwards enables additional safeguards to be provided, namely so-called baffles. For this purpose, the back of the key 16 is disengaged in a suitable manner in regions and interacts with fields or projections 6-8 on the cylinder core 14. These fields or projections 6 to 8 act as a kind of stops, which are passed under when the key is inserted into the key channel. Only a key whose back is matched to the arrangement of these fields or protrusions can be fully inserted into the key channel.

Um zu vermeiden, daß auch ein generell abgeschliffener Schlüsselrücken ein vollständiges Einführen des Schlüssels und evt. eine Schließung zuläßt (vorausgesetzt das Duplikat entspricht sonst dem Original), können im Zylinderkern - wie in Figur 3 gezeigt - Senkungen vorgesehen sein. Ein Teil dieser wird entsprechend der Codierung von den Feldern oder Vorsprüngen 6-8 ausgefüllt, während die übrigen frei bleiben, so daß bei Drehung des Zylinderkernes Stifte, z.B. Gehäusestifte, in die Senkungen einfallen können. Auf diese Weise kann eine weitere Drehung verhindert werden. Selbstverständlich ist es möglich, die Senkungen so auszubilden, daß noch eine Rückdrehung erfolgen kann.In order to avoid that a generally ground back of the key allows a complete insertion of the key and possibly a lock (provided the duplicate otherwise corresponds to the original), as shown in FIG. 3, countersinks can be provided in the cylinder core. A part of this is filled in according to the coding of the fields or protrusions 6-8, while the rest remain free, so that when the cylinder core is rotated, pins, e.g. Housing pins that can sink into. In this way, further rotation can be prevented. Of course, it is possible to design the countersinks in such a way that a reverse rotation can still take place.

In Figur 4 ist angedeutet, daß die Profilierung 2 auch bogenförmig - also mit sich änderndem Winkel verlaufen kann.In FIG. 4 it is indicated that the profiling 2 can also run in an arc shape - that is, with a changing angle.

Es sei abschließend noch erwähnt, daß es zweckmäßig ist, die erfindungsgemäße Profilierung erst an der Schlüsselspitze beginnen zu lassen, um scharfe Kanten am Schlüsselrücken zu vermeiden.It should finally be mentioned that it is expedient to let the profiling according to the invention only begin at the tip of the key in order to avoid sharp edges on the back of the key.

Claims (4)

1. A lock and key combination having profiling on the side surfaces of the key, characterised in that the continuous profiling (1, 2) extends at an angle (a) with respect to the back (16) of the key, which angle is different from 0 degrees so that when the key (15) is inserted into the lock it is feeded in a direction which differs from its longitudinal axis.
2. A lock and key combination as defined in claim 1, wherein the profiling (2) extends at a varying angle i.e. in the form of an arc.
3. A lock and key combination as defined in claim 1, wherein at least one recess (4) is arranged on the back of the key, said recess working in conjunction with corresponding fields or projections (6-8) on the cylinder core side such that when the key is inserted into a key channel of the cylinder it passes below these whereby a matching key can be inserted completely into the key channel (9).
4. A lock and key combination as defined in claim 3, wherein the cylinder core (14) has depressions (12) in the area that is proximal to the back (16) of the key, some of which are filled by the fields or projections (6-8), whereby when the core is rotated with a key that has been filed generally on the back, pins drop into the depressions that are free.
EP87730091A 1986-08-06 1987-08-05 Lock and key combination Expired EP0255986B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87730091T ATE48874T1 (en) 1986-08-06 1987-08-05 LOCK-KEY COMBINATION.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3626550 1986-08-06
DE19863626550 DE3626550A1 (en) 1986-08-06 1986-08-06 LOCK-KEY COMBINATION

Publications (2)

Publication Number Publication Date
EP0255986A1 EP0255986A1 (en) 1988-02-17
EP0255986B1 true EP0255986B1 (en) 1989-12-20

Family

ID=6306765

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87730091A Expired EP0255986B1 (en) 1986-08-06 1987-08-05 Lock and key combination

Country Status (7)

Country Link
US (1) US4805428A (en)
EP (1) EP0255986B1 (en)
AT (1) ATE48874T1 (en)
CA (1) CA1279496C (en)
DE (2) DE3626550A1 (en)
DK (1) DK161029C (en)
ES (1) ES2012099B3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT396706B (en) * 1989-09-26 1993-11-25 Grundmann Gmbh Geb Lock cylinder

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5176015A (en) * 1991-04-10 1993-01-05 Sussina Stan J Restricted key system
AT399530B (en) * 1993-07-14 1995-05-26 Grundmann Schliesstechnik FLAT KEY AND OR OR LOCKING CYLINDER
US7100409B2 (en) * 2005-01-04 2006-09-05 Tsao-Chia Chang Burglarproof lock core structure
DE102008000033A1 (en) * 2008-01-10 2009-07-16 Aug. Winkhaus Gmbh & Co. Kg Key for a lock cylinder
DE102015009043A1 (en) 2015-03-26 2016-09-29 Iseo Deutschland Gmbh Lock cylinder with housing and a rotatably mounted in this cylinder core

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
US884165A (en) * 1907-02-15 1908-04-07 Leopold Julig Clothes-hook.
US1287882A (en) * 1913-12-03 1918-12-17 King Lock Company Lock.
US1804955A (en) * 1928-04-16 1931-05-12 Schlumpf Walter Lock
US1958603A (en) * 1932-11-29 1934-05-15 William T Bacon Lock
US1977189A (en) * 1933-12-04 1934-10-16 Ivar G Larson Lock
GB836839A (en) * 1957-02-08 1960-06-09 Power Equipment Company Ltd Improvements relating to interlocks
US3264852A (en) * 1964-01-29 1966-08-09 A & R Wiedemar Cylinder lock
DE2125581B2 (en) * 1971-03-04 1976-02-05 Eaton YaIe S.p.A., Aprilia, Latina (Italien) ROTARY CYLINDER LOCK
JPS5284100A (en) * 1976-01-06 1977-07-13 Takigen Mfg Co Lock device
GB1584072A (en) * 1976-10-11 1981-02-04 Schneerson M Locking mechanism and locks incorporating said mechanism
DE2862126D1 (en) * 1978-08-22 1983-01-20 Berchtold Ag Cylinder lock and reversible flat key
DE3004993A1 (en) * 1980-02-11 1981-08-20 C. Ed. Schulte GmbH, 5628 Velbert Rotary cylinder lock - has extra cut=outs in slide gripped by key rear permitting more variation
DE3004992A1 (en) * 1980-02-11 1981-08-20 C. Ed. Schulte GmbH, 5628 Velbert Rotary cylinder lock flat key profile variation - involves extra rear side key groove and holed disc in cylinder slit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT396706B (en) * 1989-09-26 1993-11-25 Grundmann Gmbh Geb Lock cylinder

Also Published As

Publication number Publication date
DK407787D0 (en) 1987-08-05
ES2012099B3 (en) 1990-03-01
DE3626550C2 (en) 1989-06-01
EP0255986A1 (en) 1988-02-17
DE3761218D1 (en) 1990-01-25
ATE48874T1 (en) 1990-01-15
US4805428A (en) 1989-02-21
DE3626550A1 (en) 1988-02-18
CA1279496C (en) 1991-01-29
DK407787A (en) 1988-02-07
DK161029C (en) 1991-10-28
DK161029B (en) 1991-05-21

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