EP0144481B1 - Procédé pour la fabrication de clés de sûreté avec des possibilités de fermeture différentes les unes des autres - Google Patents

Procédé pour la fabrication de clés de sûreté avec des possibilités de fermeture différentes les unes des autres Download PDF

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Publication number
EP0144481B1
EP0144481B1 EP83810508A EP83810508A EP0144481B1 EP 0144481 B1 EP0144481 B1 EP 0144481B1 EP 83810508 A EP83810508 A EP 83810508A EP 83810508 A EP83810508 A EP 83810508A EP 0144481 B1 EP0144481 B1 EP 0144481B1
Authority
EP
European Patent Office
Prior art keywords
bore
key
bores
differ
regards
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
EP83810508A
Other languages
German (de)
English (en)
Other versions
EP0144481A1 (fr
Inventor
Ernst Keller
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP83810508A priority Critical patent/EP0144481B1/fr
Priority to DE8383810508T priority patent/DE3378919D1/de
Priority to AT83810508T priority patent/ATE39964T1/de
Publication of EP0144481A1 publication Critical patent/EP0144481A1/fr
Application granted granted Critical
Publication of EP0144481B1 publication Critical patent/EP0144481B1/fr
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
    • E05B19/0023—Key profiles characterized by variation of the contact surface between the key and the tumbler pins or plates
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • 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

Definitions

  • the invention relates to a method for producing security keys according to the preamble of independent patent claim 1.
  • a large number of security keys are known which have different profiles.
  • the aim of profiling the keys is to improve security against unauthorized opening methods and to increase the number of locking options with the same key length.
  • the enormous variety of key profiles and corresponding locks make the manufacturing process, key and lock management extremely unreasonable. This is reinforced by the large number of construction cylinders in a cylinder program. Further disadvantages of known key profiles are their limited number of locking differences, which means that several cylinders can be operated with certain key shapes.
  • DE-A-30 21 334 which forms the preamble of claim 1, discloses a security key which, in addition to the usual counterbores with a control surface, also has counterbores which differ in the number and / or shape of the control surfaces differentiate. Despite the large number of different locking options that can be achieved with this key, so-called overlaps cannot be avoided, so that here too, several cylinders can be operated with certain key shapes.
  • a locking system is known from US-A-3 788 110, the keys of which have different drilling patterns, which can also have the same number of drilling points.
  • the different drilling patterns result from the fact that tumblers are left out of the cylinder, which greatly reduces the security value of the lock.
  • the profiles provided for this key increase the number of locking variants, but weaken the key and make management difficult.
  • the invention has for its object to provide a method for the production of security keys, with which a large number of different locking options are created, and which allows cost-effective production and efficient lock management.
  • the method according to the invention enables large savings in the inventory of keys and rotors as well as a sharp reduction in the replacement time for the components.
  • Broaching tools for profiling rotors and profile milling machines for key production can also be saved.
  • FIG. 1 shows, using the schematically represented keys A to E, five different hole patterns, each with ten holes 5, which are arranged laterally in two rows. These holes 5 are normal holes, but they can be different with regard to their drilling depth. In addition, upright holes, not shown, can also be provided here.
  • a drilling pattern is an arrangement of holes on a key. Understandably, a drilling pattern must match the positions of the stud bolts in the cylinder. The positions of the drilling points of a drilling pattern are determined in a manner known per se, a computer advantageously being used. After the generation of different drilling patterns, a suitable number of excellent drilling locations 14 and 15 is selected, which are varied with regard to their positions in each drilling pattern.
  • FIG. 1 shows, using the schematically represented keys A to E, five different hole patterns, each with ten holes 5, which are arranged laterally in two rows. These holes 5 are normal holes, but they can be different with regard to their drilling depth. In addition, upright holes, not shown, can also be provided here.
  • a drilling pattern is an arrangement of holes on
  • FIG. 2 shows five variations of two excellent drilling locations 14 and 15, all of which were varied in drilling pattern B in FIG. 1.
  • Each excellent drilling site 14 and 15 is now still varied in terms of its drilling shape.
  • Different stepped bores a to k can be selected, for example, as drilling forms, ten of which are shown in FIGS. 6a and 6b.
  • FIG. 3 schematically shows five variations B51 to B55 of the drilling forms with respect to the arrangement B5 of FIG. 2, reference being made to FIGS. 6a and 6b.
  • the number of profiles far higher than five.
  • FIGS. 4 and 5 show a shaft 10, produced according to the invention, of a key with eight normal bores 11 and two stepped bores g and k with the associated tips 12 and 13 of tumbler bolts.
  • Figures 6a and 6b show ten cross-sectional profiles a to k of different stepped bores.
  • the security key can be designed as a normal or reversible key and can have a flat or rhombic profile.

Landscapes

  • Lock And Its Accessories (AREA)
  • Air Bags (AREA)
  • Credit Cards Or The Like (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Telephone Function (AREA)
  • Burglar Alarm Systems (AREA)

Claims (3)

1. Procédé pour la fabrication de clefs de sûreté présentant des possibilités de fermeture différentes, où sont logées dans les serrures des goupilles à ressort dans des forages s'écoulant radialement, les goupilles sont positionnées à l'aide d'une clef de sûreté (10) afin de permettre le déverrouillage de la rotation du noyau du cylindre, ladite clef de sûreté étant introduite dans le canal du noyau du cylindre prévu pour recevoir la clef qui à l'aide des forages (11) établit le déplacement correct des rangées de goupilles, ou des empreintes de forage qui sont pourvues d'affaissements de forage (9) ordinaires ainsi que de plusieurs forages (a-b) eu égard au nombre et/ou à la forme des flancs de conduite, caractérisé en ce que successivement
a) des empreintes (A-E) de forage différentes sont formées, où chaque empreinte de forage (A-E) comporte un même nombre d'endroits (5) de forage et dans lesquelles l'emplacement des endroits (5) de forage est différent pour chaque empreinte de forage (A-E),
b) dans chaque empreinte de forage un nombre prédéterminé d'endroits de forage (14, 15) indiqués est varié en fonction de leur emplacement, ce nombre étant au moins égal à un, et
c) chaque endroit de forage indiqué (14, 15) est également varié en fonction d'un nombre prédéterminé de formes de forage (a-k) qui sont différentes les unes des autres.
2. Procédé suivant la revendication 1, caractérisé en ce que les formes de forage différentes sont des forages en escalier (a-k).
3. Procédé suivant la revendication 1 ou 2, caractérisé en ce que la clef de sûreté est une clef réversible.
EP83810508A 1983-11-03 1983-11-03 Procédé pour la fabrication de clés de sûreté avec des possibilités de fermeture différentes les unes des autres Expired EP0144481B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP83810508A EP0144481B1 (fr) 1983-11-03 1983-11-03 Procédé pour la fabrication de clés de sûreté avec des possibilités de fermeture différentes les unes des autres
DE8383810508T DE3378919D1 (en) 1983-11-03 1983-11-03 Method of making safety keys with locking possibilities differing from each other
AT83810508T ATE39964T1 (de) 1983-11-03 1983-11-03 Verfahren zur herstellung von sicherheitsschluesseln mit voneinander abweichenden schliessungsmoeglichkeiten.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP83810508A EP0144481B1 (fr) 1983-11-03 1983-11-03 Procédé pour la fabrication de clés de sûreté avec des possibilités de fermeture différentes les unes des autres

Publications (2)

Publication Number Publication Date
EP0144481A1 EP0144481A1 (fr) 1985-06-19
EP0144481B1 true EP0144481B1 (fr) 1989-01-11

Family

ID=8191574

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83810508A Expired EP0144481B1 (fr) 1983-11-03 1983-11-03 Procédé pour la fabrication de clés de sûreté avec des possibilités de fermeture différentes les unes des autres

Country Status (3)

Country Link
EP (1) EP0144481B1 (fr)
AT (1) ATE39964T1 (fr)
DE (1) DE3378919D1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH679507A5 (fr) * 1989-12-15 1992-02-28 Bauer Kaba Ag
US6105404A (en) * 1998-06-30 2000-08-22 Medeco Security Locks, Inc. Squiggle keys and cylinder locks for squiggle keys

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH432279A (de) * 1965-03-31 1967-03-15 Keso Ag Verfahren zur Erhöhung der Anzahl voneinander abweichender Schliessungsmöglichkeiten von Sicherheitsschlössern und Sicherheitsschloss mit Schlüssel zur Durchführung des Verfahrens
US3788110A (en) * 1970-12-09 1974-01-29 Showa Sargent Ltd Pin-tumbler lock cylinder
DE2606557C2 (de) * 1976-02-19 1985-02-21 DOM-Sicherheitstechnik GmbH & Co KG, 5040 Brühl Wende-Flachschlüssel für einen Schließzylinder
DE3021334A1 (de) * 1980-06-06 1981-12-17 Ernst 8805 Richterswil Keller Anordnung zur erhoehung der anzahl voneinander abweichender schliessungsmoelichkeiten von drehzylinderschloessern

Also Published As

Publication number Publication date
ATE39964T1 (de) 1989-01-15
DE3378919D1 (en) 1989-02-16
EP0144481A1 (fr) 1985-06-19

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