EP2700775A2 - Système serrure-clé - Google Patents

Système serrure-clé Download PDF

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Publication number
EP2700775A2
EP2700775A2 EP13075056.5A EP13075056A EP2700775A2 EP 2700775 A2 EP2700775 A2 EP 2700775A2 EP 13075056 A EP13075056 A EP 13075056A EP 2700775 A2 EP2700775 A2 EP 2700775A2
Authority
EP
European Patent Office
Prior art keywords
key
extension
lock
undercut
dovetail groove
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.)
Withdrawn
Application number
EP13075056.5A
Other languages
German (de)
English (en)
Other versions
EP2700775A3 (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
Publication of EP2700775A2 publication Critical patent/EP2700775A2/fr
Publication of EP2700775A3 publication Critical patent/EP2700775A3/fr
Withdrawn legal-status Critical Current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
    • E05B19/0041—Key profiles characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key
    • 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
    • E05B19/0064—Rectangular flat keys with key bits on at least one wide side surface of the key and with additional key bits on at least one narrow side edge of the key

Definitions

  • the invention relates to a lock-key system, the flat key is provided with a key back and a key-chest having key shaft, which is followed by a crayon, wherein the key-chest is provided with a mechanical coding performing notches and the side surfaces of the key shank one along the Have key shaft extending profiling, which is detectable by a complementary profiling in the cylinder core of the lock cylinder.
  • the thereby along the key shank extending profiling which is detectable by a complementary profiling in the cylinder core of the lock cylinder and / or arranged in the lock cylinder locking elements, has the disadvantage that the replacement of keys is easily possible because this profiling easily copied with milling in the longitudinal direction of machines is.
  • the invention has for its object to further complicate the copying of such a flat key.
  • the flat key is provided with a key back and a key chain having key shaft, which is followed by a crayon
  • the key-chest is provided with a mechanical coding performing notches and the side surfaces of the key shank a profiling extending along the key shank which is detectable by a complementary profiling in the cylinder core of the lock cylinder, characterized that at least one of the lateral profilings is designed as a dovetail groove with an upper, the spine facing and a lower, the key chest facing undercut, wherein the angle ( ⁇ ) of the spine-side upper undercut in its extension in the direction of the key shank center plane is selected such that in the extension it meets the inner, upper wedge-back-side corner of a first paracentric feature provided on the dovetail groove opposite side, while the angle ( ⁇ ) of the lower, keyhole-side, undercut in its extension meets the upper, spine-side corner of a provided on the dovetail side paracentric feature.
  • an oblique step is provided in the base of the dovetail groove whose angle ( ⁇ ) with its extension extends on the one hand parallel to the extension of the upper undercut in the direction of the key shank center plane and on the other hand with the extension of the outer corner point of the lower , breast-side undercut meets.
  • the training may also be such that an oblique step is provided in the base of the dovetail groove whose angle ( ⁇ ) extends with its extension on the one hand parallel to the extension of the lower undercut in the direction of the key shank center plane and on the other hand together with the extension of the outer corner of the upper, spine-sided undercut meets.
  • the solution according to the invention now permits, on the one hand, the detection of the dovetail groove itself by a correspondingly complementary profiling of the cylinder core.
  • the groove bottom can then be provided with a detectable feature.
  • the upper and lower profile surface can be used together or separately by in
  • Cylinder core radially movable locking elements be scanned.
  • the key shank of the flat key 1 has a key back 2 and a key chest 3.
  • profilings which extend along the shank, wherein some of the profiles are paracentric, ie beyond the key shank center plane 7.
  • At least one of the lateral profilings is designed as a dovetail groove 4, ie as a groove with a double undercut.
  • the dovetail groove 4 has an upper, the key back 2 facing and a lower, the key chest facing the undercut 5 and 6 respectively.
  • Both undercuts extend at an angle to the key shank center plane, 7, wherein the angle of the upper undercut 5 with ⁇ and the lower undercut 6 is denoted by ⁇ .
  • the extension 13 meets the upper corner 8 of a paracentric groove or a paracentric feature 9 on the opposite side of the shaft
  • the other extension 14 meets the upper corner 10 of a paracentric feature 11 which is formed on the side of the dovetail groove 4.
  • a slope 12 may be provided, whose angle is denoted by ⁇ and also has an imaginary extension 15.
  • This extension 15 which extends in the direction of the key shank center plane, runs parallel to the extension 13 of the upper undercut 5.
  • the extension 15 meets the extension 14 and 16 of the lower undercut 6 in the corner 17th
  • the profile surfaces of the undercuts 5 and 6 facing away from the groove base 18 and facing outwards can also be checked for their presence.
  • blocking elements are known which are known per se, for example in the form of balls. However, this has also not been shown in the drawing. However, for example, query features 19 to 22 in the profile surfaces are shown.

Landscapes

  • Prostheses (AREA)
  • Lock And Its Accessories (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
EP13075056.5A 2012-08-16 2013-08-14 Système serrure-clé Withdrawn EP2700775A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012016529.3A DE102012016529A1 (de) 2012-08-16 2012-08-16 Schloss-Schlüssel-System

Publications (2)

Publication Number Publication Date
EP2700775A2 true EP2700775A2 (fr) 2014-02-26
EP2700775A3 EP2700775A3 (fr) 2016-01-13

Family

ID=49033791

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13075056.5A Withdrawn EP2700775A3 (fr) 2012-08-16 2013-08-14 Système serrure-clé

Country Status (2)

Country Link
EP (1) EP2700775A3 (fr)
DE (1) DE102012016529A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4261366A1 (fr) * 2022-04-14 2023-10-18 dormakaba Schweiz AG Élément clé, cylindre de serrure, système de fermeture et procédé
US12077984B2 (en) 2021-09-14 2024-09-03 Dormakaba Usa Inc. Key and core with cam blocking
US20250012112A1 (en) * 2021-11-15 2025-01-09 Dormakaba Austria Gmbh Flat key for a locking cylinder
US12559973B2 (en) 2023-08-16 2026-02-24 Dormakaba Usa Inc Plug for lock system and associated method of assembly
US12571233B2 (en) 2023-07-21 2026-03-10 Dormakaba Usa Inc. Inverted blocker rack and pinion

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3225952A1 (de) * 1982-07-10 1984-01-12 Karrenberg, Wilhelm, 5620 Velbert Schliesszylinder-flachschluessel
SE505364C2 (sv) 1993-12-30 1997-08-11 Bo Widen Cylinderlås-nyckelkombination, nyckel, nyckelämne och lås
US5819566A (en) * 1997-01-29 1998-10-13 International Security Products, Inc. Cylinder lock and key
US5823029A (en) * 1997-01-29 1998-10-20 International Security Products, Inc. Cylinder lock system
DE102008043747A1 (de) * 2008-11-14 2010-05-20 Aug. Winkhaus Gmbh & Co. Kg Schlüssel für einen Schließzylinder
DE102010012261B4 (de) * 2010-03-22 2015-08-20 Abus Pfaffenhain Gmbh Schließsystem

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12077984B2 (en) 2021-09-14 2024-09-03 Dormakaba Usa Inc. Key and core with cam blocking
US12264499B2 (en) 2021-09-14 2025-04-01 Dormakaba Usa Inc. Key and core with cam blocking
US20250012112A1 (en) * 2021-11-15 2025-01-09 Dormakaba Austria Gmbh Flat key for a locking cylinder
US12480334B2 (en) * 2021-11-15 2025-11-25 Dormakaba Austria Gmbh Flat key for a locking cylinder
EP4261366A1 (fr) * 2022-04-14 2023-10-18 dormakaba Schweiz AG Élément clé, cylindre de serrure, système de fermeture et procédé
WO2023198351A1 (fr) * 2022-04-14 2023-10-19 Dormakaba Schweiz Ag Élément de clé, barillet de serrure, système de verrouillage et procédé
CH719611A1 (de) * 2022-04-14 2023-10-31 Dormakaba Schweiz Ag Schlüsselelement, Schliesszylinder, Schliesssystem und Verfahren zur Herstellung eines Schlüsselelements.
AU2023254345B2 (en) * 2022-04-14 2025-02-27 Dormakaba Schweiz Ag Key element, lock cylinder, locking system, and method
US12607038B2 (en) 2022-04-14 2026-04-21 Dormakaba Schweiz Ag Key element, lock cylinder, locking system, and method
US12571233B2 (en) 2023-07-21 2026-03-10 Dormakaba Usa Inc. Inverted blocker rack and pinion
US12559973B2 (en) 2023-08-16 2026-02-24 Dormakaba Usa Inc Plug for lock system and associated method of assembly

Also Published As

Publication number Publication date
DE102012016529A1 (de) 2014-02-20
EP2700775A3 (fr) 2016-01-13

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