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 PDFInfo
- 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
Links
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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)
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)
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)
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 |
-
1983
- 1983-11-03 DE DE8383810508T patent/DE3378919D1/de not_active Expired
- 1983-11-03 AT AT83810508T patent/ATE39964T1/de not_active IP Right Cessation
- 1983-11-03 EP EP83810508A patent/EP0144481B1/fr not_active Expired
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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