EP0896116B1 - Serrure cylindrique avec des éléments d'insertion en métal dur - Google Patents

Serrure cylindrique avec des éléments d'insertion en métal dur Download PDF

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Publication number
EP0896116B1
EP0896116B1 EP98112369A EP98112369A EP0896116B1 EP 0896116 B1 EP0896116 B1 EP 0896116B1 EP 98112369 A EP98112369 A EP 98112369A EP 98112369 A EP98112369 A EP 98112369A EP 0896116 B1 EP0896116 B1 EP 0896116B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
cylinder core
hard
key channel
platelet
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 - Lifetime
Application number
EP98112369A
Other languages
German (de)
English (en)
Other versions
EP0896116A1 (fr
Inventor
Alexander Stefanescu
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.)
C Ed Schulte Zylinderschlossfabrik GmbH
Original Assignee
C Ed Schulte Zylinderschlossfabrik 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 C Ed Schulte Zylinderschlossfabrik GmbH filed Critical C Ed Schulte Zylinderschlossfabrik GmbH
Publication of EP0896116A1 publication Critical patent/EP0896116A1/fr
Application granted granted Critical
Publication of EP0896116B1 publication Critical patent/EP0896116B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/16—Use of special materials for parts of locks
    • E05B15/1614—Use of special materials for parts of locks of hard materials, to prevent drilling
    • 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

Definitions

  • the invention is directed to a lock cylinder in the preamble of Claim 1 specified type.
  • Such locking cylinders must be in accordance with the DIN standard withstand an axial pull of 15 kN.
  • Tungsten carbide inserts have also been formed from flat plates, the plate plane of which were arranged essentially parallel to the axis of the key channel (EP 0 761 915 A2). These plates are in the transition in rectangular grooves between the cylinder core and a head-side core plate, the core plate via a dovetail connection to the cylinder was connected.
  • the invention has for its object an economically producible To develop locking cylinders of the type mentioned in the preamble of claim 1, which is distinguished by a high level of security against theft Distinguished pulling screws of demolition tools. This is according to the invention achieved by the measures listed in the characterizing part of claim 1, which have the following special meaning.
  • the invention goes a new way, it does not try to lock the cylinder reinforce, but takes precautions in the front area of the locking cylinder, which destroy the intrusion tool.
  • the burglary tool does not destroy the Lock cylinder, but vice versa, the lock cylinder is the intrusion tool.
  • This is through at least one sharp cutting edge of a hard metal insert in the cylinder core reached, which is located in close proximity to the key channel.
  • Will the the aforementioned lag screw is screwed into the key channel with the intention of breaking in, this is how the sharp cutting edge of the insert grinds when turning the screw from the tip of the lag screw and prevents further cutting Penetration of the lag screw.
  • the lag screw is destroyed. Because one Tension screw in different height areas of the key channel , it is recommended that the cutting edge be substantially parallel to that Arrange diameter of the cylinder core, the location of the cross-sectional profile determined by the key channel.
  • the locking cylinder 10 is designed in FIG. 1 as a so-called double cylinder, consists of an outer cylinder part 11 and inner cylinder part 12, which act together on an intermediate working cam 13. In the present case, it is sufficient to construct the outer cylinder part 11 consider.
  • the lock cylinder 10 comprises 11, 12 in both parts a cylinder core 15 with tumblers, here as two-part tumbler pins 16, 17 are formed.
  • the tumbler pins 16, 17 are in the assembly case under the spring force of compression springs 18 which they towards load the cylinder axis 22.
  • the cylinder core 15 is in a axial bore of a housing 14 belonging to the locking cylinder 10.
  • the cylinder core 15 has here designed as radial bores 19 Recordings. Similar recordings are also provided in the housing 14. Take the individual recordings in the cylinder core 15 and housing 14 in each case the two pin parts 16, 17 and the associated compression springs 18 on.
  • the locking cylinder 10 comprises a profiled key channel 20 which in the area of a core diameter indicated by dash-dotted lines in FIG. 6 21 is arranged and extends along the cylinder axis 22.
  • the Key channel 20 has a defined cross-sectional profile 23 and is used for Inclusion of a key, not shown, from the front end 24 of the locking cylinder 10 inserted into the outer cylinder section 11 can be. Analog can from the rear end not shown in detail of the broken inner cylinder part 12 shown in FIG. 1.
  • lag screw 25 can be used to break open the locking cylinder 10 sitting in the door lock.
  • the locking cylinder 10 could possibly be broken together with the one at 29 front portion of the housing 14 are pulled out. Then the working cam 13 would be accessible and could be used to open the door lock be used by unauthorized persons.
  • the invention has taken precautions regarding the intrusion tool itself, namely destroy the lag screw 25 and thus the attempted break-in to make impossible.
  • these hard metal inserts 31 are rod-shaped and consist of two flat plates 31, 32, the plate levels of which extend parallel to the axis 22 of the key channel 20.
  • the bores 38 are placed symmetrically to the cylinder axis 22 and have the longitudinal oval profile shown in FIG. 5.
  • the Both platelet-shaped hard metal inserts 31, 32 consist of sintered Material of high hardness and can be form-fitting in one section insert the holes 38. The remaining free spaces are closed in the milled holes 38 by filler 35.
  • These rod-shaped hard metal inserts 31, 32 are located in the front Area 36 of the cylinder core 15 so that their cutting edges 30 are the same at the beginning, effective for the first attempts to penetrate the tension screw 25 be set.
  • this front area 36 there is also a third hard metal insert 33 arranged.
  • this consists of a plate-shaped one Segment 33, which with its segment edge 40 on the lower Limitation 39 of the key channel 20 is arranged.
  • the segment edge 41 can in turn act as a cutting edge, which also corresponds to the one described above Destruction of the lag screw 25 leads.
  • This segment edge 40 runs perpendicular to the aforementioned cutting edges 30 of the two parallel ones Plate 31, 32.
  • a secant-like transverse groove 42 is milled, as can be seen from FIGS. 3 and 4.
  • FIG. 7 shows an enlarged cross section corresponding to FIG. 6 a further cylinder core 15, where a modified key channel 20 'with a curved cross-sectional profile 23' is.
  • the same reference numerals are used to designate corresponding components as used in the previous embodiment of FIGS. 5 and 6, which is why the same description applies. It is enough just to address the differences.
  • a hard metal insert 31 'at at least one point with a longitudinal one Groove 44 is provided, in which widened cross-sectional areas 43 of the Key channel 20 'can intervene.
  • a fourth hard metal insert 34 is in the front Area 36 of the housing 14 is provided.
  • This hard metal insert 34 has Plate shape and sits in a transverse groove 45, which is below the cylinder core 15 is embedded in the housing 14.
  • This housing plate 34 protects the tumblers 17 and springs 18 sitting there before axial access of intrusion tools, which at the front end 24 of the housing 14 from Attack lock cylinder 10. There could also be sharp cutting edges be provided that destroy the tool.

Landscapes

  • Dowels (AREA)
  • Pens And Brushes (AREA)
  • Forging (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Lock And Its Accessories (AREA)

Claims (4)

  1. Cylindre de fermeture (10) avec un noyau de cylindre (15),
    présentant un canal à clé (20) pour l'enfichage d'une clé et des logements (19) pour des gâchettes (16, 17),
    et avec un boítier (14) recevant le noyau de cylindre (15), de façon à ce qu'il puisse tourner et en étant axialement fixe,
    et avec au moins un insert en métal dur dans la zone de tête (41) du noyau de cylindre (15), l'insert en métal dur étant constitué d'une plaquette (31, 32) plane,
    qui est montée dans des évidements (38) du noyau de cylindre (15) et dont le plan de plaque s'étend sensiblement parallèlement à l'axe (22) du canal à clé (20), et où
    la plaquette (31, 32) présente une arête de coupe (30) vive, placée à proximité directe (37) du canal à clé (20) dans le noyau de cylindre (15),
       caractérisé en ce que
    l'évidement est de configuration ovale allongée, que remplit partiellement la plaquette en métal dur (31, 32), le reste de l'évidement étant fermé par un moyen de remplissage (35),
    et en ce qu'un autre insert en métal dur (33) est disposé sur la limite inférieure (39) du canal à clé (20).
  2. Cylindre de fermeture selon la revendication 1, caractérisé en ce que l'autre insert en métal dur (33) est réalisé sous la forme de segment en forme de plaque du noyau de cylindre (15) et son arête de segment (40) s'étend sensiblement perpendiculairement par rapport à l'arête de coupe (30) de la première et, le cas échéant, de la deuxième plaquette en métal dur (31, 32).
  3. Cylindre de fermeture selon la revendication 1 ou 2, caractérisé en ce que la plaquette en métal dur (31') comporte par endroits, sur sa face présentant l'arête de coupe (30) vive, une rainure (44) dans laquelle s'engagent des zones (43) du canal à clé (20').
  4. Cylindre de fermeture selon l'une ou plusieurs des revendication 1 à 3, caractérisé en ce qu'un insert en métal dur (34) en forme de plaque, supplémentaire, est disposé dans le boítier (44) au-dessous du noyau de cylindre (15).
EP98112369A 1997-08-07 1998-07-04 Serrure cylindrique avec des éléments d'insertion en métal dur Expired - Lifetime EP0896116B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29714095U 1997-08-07
DE29714095U DE29714095U1 (de) 1997-08-07 1997-08-07 Schließzylinder mit Hartmetalleinsatz

Publications (2)

Publication Number Publication Date
EP0896116A1 EP0896116A1 (fr) 1999-02-10
EP0896116B1 true EP0896116B1 (fr) 2001-12-12

Family

ID=8044282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98112369A Expired - Lifetime EP0896116B1 (fr) 1997-08-07 1998-07-04 Serrure cylindrique avec des éléments d'insertion en métal dur

Country Status (3)

Country Link
EP (1) EP0896116B1 (fr)
AT (1) ATE210775T1 (fr)
DE (2) DE29714095U1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1313234B1 (it) * 1999-07-08 2002-06-17 Mg Serrature S P A Cilindretto per serrature di sicurezza a cilindro, ad elevatasicurezza contro il pericolo di effrazioni.
DE10255977A1 (de) * 2002-11-26 2004-06-17 IKON GmbH Präzisionstechnik Anbohrschutz für Schließzylinder
GB2439781B (en) * 2006-07-04 2011-10-12 Assa Abloy Ltd Cylinder plug
DE102007007688A1 (de) * 2007-02-16 2008-08-21 C. Ed. Schulte Gmbh Zylinderschlossfabrik Schließzylinder mit Verschleißschutz
RU2430227C1 (ru) * 2010-07-09 2011-09-27 Николай Евгеньевич Староверов Замок повышенной стойкости
ES2396377B1 (es) * 2010-12-17 2013-10-15 Talleres De Escoriaza, S.A. Dispositivo de seguridad para cilindros de cerradura.
DE102011000080A1 (de) * 2011-01-11 2012-07-12 C.Ed. Schulte Gesellschaft mit beschränkter Haftung Zylinderschlossfabrik Schließzylinder mit durch Materialschwächung geschützten Zylinderkern

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT389344B (de) * 1988-03-04 1989-11-27 Evva Werke Aufbohrsicherung fuer zylinderschloesser
DE8808897U1 (de) * 1988-07-11 1988-08-25 August Börkey Nachf. GmbH, 5820 Gevelsberg Schließzylinder mit Aufbohrschutz
AT405669B (de) * 1995-03-03 1999-10-25 Evva Werke Aufbohrsicherung für zylinderschlösser
DE19533782A1 (de) * 1995-09-12 1997-03-13 Winkhaus Fa August Schließzylinder

Also Published As

Publication number Publication date
EP0896116A1 (fr) 1999-02-10
DE29714095U1 (de) 1997-10-09
ATE210775T1 (de) 2001-12-15
DE59802408D1 (de) 2002-01-24

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