EP3872282B1 - Système de serrure-clé - Google Patents

Système de serrure-clé Download PDF

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Publication number
EP3872282B1
EP3872282B1 EP21159480.9A EP21159480A EP3872282B1 EP 3872282 B1 EP3872282 B1 EP 3872282B1 EP 21159480 A EP21159480 A EP 21159480A EP 3872282 B1 EP3872282 B1 EP 3872282B1
Authority
EP
European Patent Office
Prior art keywords
key
core
groove
pin
cylinder
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.)
Active
Application number
EP21159480.9A
Other languages
German (de)
English (en)
Other versions
EP3872282A1 (fr
Inventor
Steffen Matschke
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.)
Assa Abloy Sicherheitstechnik GmbH
Original Assignee
Assa Abloy Sicherheitstechnik GmbH
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 Assa Abloy Sicherheitstechnik GmbH filed Critical Assa Abloy Sicherheitstechnik GmbH
Priority to SI202130033T priority Critical patent/SI3872282T1/sl
Publication of EP3872282A1 publication Critical patent/EP3872282A1/fr
Application granted granted Critical
Publication of EP3872282B1 publication Critical patent/EP3872282B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E05B19/0041—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
    • 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
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0003—Details
    • E05B27/0017—Tumblers or pins
    • 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-key system, comprising a lock cylinder housing with a cylinder core arranged rotatably in it, which has a key channel into which a key provided with profiles designed as grooves and ribs on the side of the key shank can be inserted, as well as core pins that scan the profile and which permit or prevent rotation of the cylinder core, the core pins checking the opening width of at least one of the grooves.
  • Such a system is from US6134929A or the U.S. 2012/0073340 A1 and the WO 2009/012541 A1 known.
  • the key shank of such flat keys is usually provided with notches on the key face side and has profiles on both sides.
  • the notches and the profiling together form a coding that is specific to each key.
  • the object of the invention is therefore to improve copy protection.
  • a lock/key system comprising a lock cylinder housing with a cylinder core arranged rotatably in it, which has a key channel into which a key provided with profiles designed as grooves and ribs on the side of the key shaft can be inserted, and with core pins which scan the profiling and allow or prevent rotation of the cylinder core, with the core pins checking the opening width of at least one of the grooves.
  • the opening width of the groove tapers in a wedge shape from the tip of the key towards the bow of the key.
  • a core pin which can be moved radially, is arranged in the area near the bow of the key. After initially entering the groove, the movable pin is pressed radially outwards due to its increasing narrowing and the radial position of the movable core pin is queried at one point with a movable housing pin and related in the usual way to the separating plane of the cylinder core/lock cylinder housing.
  • the lateral profiling of the key shank consists of grooves and ribs running parallel to the back of the key, the depth or height of which can be sensed in a suitable manner, for example by housing pins interacting with core pins. If a correct key is inserted into the key channel, this leads to an alignment of the core and housing pins at the cylinder core/lock cylinder housing parting line, while with an incorrect key this parting line is exceeded by one of the pins so that it goes into the respective bore of the other pin protrudes and thus prevents the rotation of the cylinder core.
  • this pin prevents further insertion of the key.
  • the key can be inserted further into the key channel, the movable pin being pressed radially outwards after the initial immersion in the groove due to its increasing narrowing, ie it practically slides along the longitudinal edges.
  • the radial position of the movable core pin is queried with a movable housing pin and related to the dividing plane cylinder core/lock cylinder housing in the usual way.
  • the key channel in the cylinder core has only one narrow profile rib facing the groove on the key shank, which corresponds to the narrowest point of the groove on the key shank.
  • the key is denoted by 1 and the lock cylinder has the reference number 2 .
  • the lateral profiling of the key shank has at least one groove 4 which tapers in the direction of the key bow, i.e. the longitudinal edges 7 converge.
  • a fixed core pin 5 arranged in the cylinder core is provided in the area of the tip of an inserted key, while a movable core pin 6 is located near the bow of the key.
  • the cylinder core is denoted by 3, while the reference numeral 2 in the sectional view in the figures denotes the lock cylinder housing.
  • the movable core pin 6 has a truncated conical shape at its end facing the key or key channel, ie it has sloping surfaces.
  • the movable core pin rests on the longitudinal edge 7 of the groove 4 and, as usual, aligns with the housing pin 8 on the parting plane 10, so that a locking process could be carried out with this key.
  • the core pin is pushed back, for example, by the housing pin and this can enter the hole in the core pin via the parting line.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (2)

  1. Système de serrure-clé, comprenant un boîtier de cylindre de serrure (2) muni d'un noyau de cylindre (3) agencé de manière rotative en son sein, qui présente un canal de clé dans lequel peut être insérée une clé (1) munie de profils conçus sous la forme de rainures et de nervures sur le côté de la tige de clé, ainsi que de broches de noyau (6) qui balayent le profil et autorisent ou empêchent une rotation du noyau de cylindre, dans lequel la largeur d'ouverture d'au moins une des rainures (4) est vérifiée par les broches centrales,
    dans lequel la largeur d'ouverture de la rainure (4) se rétrécit en forme de coin à partir de la pointe de clé dans la direction de l'anneau de clé, et
    dans l'étendue proche de l'anneau de clé est agencée une broche de noyau (6), qui est mobile radialement.
    dans lequel la broche de noyau mobile (6) est pressée radialement vers l'extérieur après l'immersion initiale dans la rainure (4) en raison de son rétrécissement croissant et caractérisé en ce qu'en un point, la position radiale de la broche de noyau mobile (6) est interrogée avec une broche de boîtier mobile (8) et mise en relation de la manière habituelle par rapport au plan de séparation (10) noyau de cylindre/boîtier de cylindre de serrure.
  2. Système de serrure-clé selon la revendication 1,
    caractérisé en ce que
    au moins l'une des rainures (4) se rétrécit dans la largeur d'ouverture en forme de coin à partir de la pointe de clé en direction de l'anneau de clé,
    la rainure (4) peut être balayée par des broches de noyau (6), dont l'une est agencée de manière fixe à proximité de la pointe de clé d'une clé (1) insérée dans le canal de clé, qui balaye la largeur d'ouverture de la rainure (4) en ce point,
    en ce qu'une seconde broche de noyau (6) est prévue qui, lorsque la clé est insérée dans le canal de clé, est mobile radialement et balaye le parcours de la rainure en direction de l'anneau de clé,
    dans lequel la broche de noyau mobile est réalisée en forme de cône émoussé dans son étendue tournée vers le canal de clé, de sorte que lors de l'insertion de la clé dans le canal de clé, cette broche de noyau se déplace radialement avec ses surfaces inclinées glissant le long des bords longitudinaux (7) de la rainure au fur et à mesure que la rainure se rétrécit et - avec une clé appropriée - avec une broche de boîtier associée ajustée au niveau du plan de séparation (10) noyau de cylindre/boîtier de cylindre de serrure.
EP21159480.9A 2020-02-28 2021-02-26 Système de serrure-clé Active EP3872282B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI202130033T SI3872282T1 (sl) 2020-02-28 2021-02-26 Sistem ključavnica-ključ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020105371.1A DE102020105371B4 (de) 2020-02-28 2020-02-28 Schloss-schlüssel-system

Publications (2)

Publication Number Publication Date
EP3872282A1 EP3872282A1 (fr) 2021-09-01
EP3872282B1 true EP3872282B1 (fr) 2022-11-30

Family

ID=74870566

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21159480.9A Active EP3872282B1 (fr) 2020-02-28 2021-02-26 Système de serrure-clé

Country Status (4)

Country Link
EP (1) EP3872282B1 (fr)
DE (1) DE102020105371B4 (fr)
PL (1) PL3872282T3 (fr)
SI (1) SI3872282T1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022203008A1 (de) 2022-03-28 2023-09-28 Aug. Winkhaus Gmbh & Co. Kg Schlüssel für einen Schließzylinder und Schließzylinder für einen solchen Schlüssel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE505885C2 (sv) 1993-12-30 1997-10-20 Bo Widen Cylinderlås-nyckelkombination, nyckel, nyckelämne och lås ingående i kombinationen
SE528815C2 (sv) 2005-03-18 2007-02-20 Winloc Ag Lås- och nyckelsystem med extra kodkombinationer
UA96485C2 (uk) * 2007-07-25 2011-11-10 "Мауэр Локинг Системс" Лтд Циліндровий механізм, відповідний йому ключ і заготовка для ключа
US8156777B1 (en) 2010-09-23 2012-04-17 Winloc Ag Lock and key with double code pattern
ES2490015B1 (es) * 2013-02-26 2015-07-24 Talleres De Escoriaza, S.A. Llave de seguridad para bombillos de cerraduras

Also Published As

Publication number Publication date
EP3872282A1 (fr) 2021-09-01
DE102020105371A1 (de) 2021-09-02
DE102020105371B4 (de) 2022-01-05
PL3872282T3 (pl) 2023-05-08
SI3872282T1 (sl) 2023-04-28

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