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EP0330803B1 - Cylindre pour serrure de sécurité - Google Patents

Cylindre pour serrure de sécurité Download PDF

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Publication number
EP0330803B1
EP0330803B1 EP88810765A EP88810765A EP0330803B1 EP 0330803 B1 EP0330803 B1 EP 0330803B1 EP 88810765 A EP88810765 A EP 88810765A EP 88810765 A EP88810765 A EP 88810765A EP 0330803 B1 EP0330803 B1 EP 0330803B1
Authority
EP
European Patent Office
Prior art keywords
pins
cylinder
core
screw
rotary lock
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
EP88810765A
Other languages
German (de)
English (en)
Other versions
EP0330803A3 (en
EP0330803A2 (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 AT88810765T priority Critical patent/ATE83527T1/de
Publication of EP0330803A2 publication Critical patent/EP0330803A2/fr
Publication of EP0330803A3 publication Critical patent/EP0330803A3/de
Application granted granted Critical
Publication of EP0330803B1 publication Critical patent/EP0330803B1/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

Definitions

  • the invention relates to a rotary lock cylinder according to the preamble of claim 1.
  • a rotary lock cylinder of this type is known for example from US-A-1,434,947.
  • a break-in method has now become known in which a self-tapping and hardened steel screw with a diameter of approximately 4 mm and with a hexagon head is screwed into the cylinder core of such a rotary lock cylinder.
  • a pulling device for example according to DE-A-3 711 938, the screwed-in screw is pulled out of the cylinder housing together with the cylinder core and the now exposed driver is turned with a screwdriver and the lock is thus opened.
  • claws can be attached to the inner end of the cylinder core and the cylinder core can be coupled to the drivers.
  • the generic US-A-1,434,947 shows a rotary lock cylinder, in which four steel pins extending in the longitudinal direction of the core are arranged in the cylinder core. According to column 1, lines 21 to 24, these pins are intended to prevent a drilling tool from being screwed in. This is to prevent the tumbler pins from being destroyed or rendered ineffective, as mentioned in column 2, last section. However, the burglary method mentioned in the introduction to the description of the present application cannot be prevented with these pens. The pins would only guide the hardened steel screw of a puller, but could not prevent the steel screw from being held in the cylinder core.
  • the invention can therefore also be based on the object of creating a rotary lock cylinder of the type mentioned, in which the burglary method mentioned is ineffective and which is nevertheless functional and can be produced inexpensively.
  • the burglary method should also be prevented in a double lock cylinder in which the cylinder core is inserted at the front.
  • the rotary lock cylinder With the rotary lock cylinder according to the invention, it is as possible possible to screw a hardened steel screw into the cylinder core. Here, however, the threaded part of the guided screw is sheared off by the pins and / or the core pins. If the pulling device is now pulled on the screw, there is no hold in the cylinder core and is pulled out of it, the cylinder core remaining in the housing. If the screw is screwed in too close to the core pins in the cylinder core, the tumbler pins in their holes are pushed radially outwards by the screw. However, this leads to a complete blocking of the rotary lock cylinder, since the Anchored outside core pins anchor the cylinder core in the cylinder housing.
  • the pins are arranged in such a way that when a screw is screwed in, it is guided on these pins and the core and housing pins are thereby pressed onto the block in the cylinder housing.
  • the screw is turned further, the threaded cheese is peeled off on the hardened tumbler pins. Due to this measure, the screw has no holding strength in the cylinder and therefore cannot tear the cylinder or pull the core.
  • the pins extend in the longitudinal direction of the cylinder core, two or four pins being provided, depending on the arrangement of the tumbler rows.
  • the pins are preferably inserted into the cylinder core in such a way that they run perpendicular to the longitudinal axis of the cylinder core and parallel to the tumbler pins.
  • Several pairs of pins are preferably arranged at a distance from one another. If the distances between the pairs of pins are different, the security is increased that when the screw is screwed in, its threaded part is sheared off by the pins.
  • the rotary lock cylinder shown in Fig. 1 is a double cylinder with two cylinder housings 1, which are connected to each other by means of a web 2 made of hardened steel.
  • the rotary lock cylinder can also be a simple cylinder.
  • a cylinder core 3 is rotatably mounted in a known manner, which has a key channel 8, in which a key, not shown here, is used to actuate the lock.
  • the tumbler rows of core pins 5, housing pins 4, springs 6 and chamber walls 7 are arranged.
  • the core pins 5 are made of hardened steel, while the housing pins 4 can be made of brass.
  • the rotary lock cylinder shown has a so-called Euro profile, but other profiles are also possible here.
  • the cylinder core 3 has four blind bores 10 which are open to the rear and which run parallel to its axis of rotation and are inserted into the pins 11 made of hardened steel with a fixed fit.
  • the pins 11 have a diameter of approximately 2 mm and extend approximately over the entire length of the cylinder core 3. It is essential that, in the arrangement shown in FIG. 1, the two lower pins 11 are at a distance from one another which is smaller than approximately 3 , 2 mm and preferably less than 3.0 mm.
  • the distance B between said pins 11 and the closest core pins 5 is preferably less than about 0.6 mm.
  • two pins 11 may suffice, but generally no more than four pins 11 are required.
  • a plurality of pins 20-24 can also be used, which are perpendicular to the axis of rotation of the cylinder core 12 extend.
  • the pins 20 to 24 are inserted with a tight fit in bores 15-19 arranged in pairs which, as shown in FIG. 2, are each arranged between two bores 14 for the tumbler pins. It is also important here that the distances between two associated pins 20 to 24 are less than about 3.2 mm. The distances may be the same or, as shown in FIG. 2, distances D and E may be different.
  • hardened steel pins 32 are additionally used in bores 31 of a web 30, which prevent the web 30 made of brass from shearing off.
  • the pins 32 extend inside into the cylinder housing and on the end face up to close to the outer surface of the cylinder core.
  • Threaded bore 34 or the driver 33 each arranged at least one steel pin 32.
  • the diameter of the pins 11 and 20 to 24 can also be greater than 2 mm, depending on the size of the rotary lock cylinder.

Landscapes

  • Lock And Its Accessories (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Vehicle Body Suspensions (AREA)
  • Chairs Characterized By Structure (AREA)
  • Fluid-Damping Devices (AREA)
  • Earth Drilling (AREA)
  • Endoscopes (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (7)

  1. Barillet de serrure pour serrure de sécurité dans lequel des éléments de maintien formant goupilles (4, 5, 6) sont montés sous une charge élastique dans des alésages qui s'étendent radialement par rapport à un noyau de cylindre (3, 12) et à un corps (1) de cylindre et qui peuvent être réglés, au moyen d'une clé introduite dans le passage (8) pour clé, en vue de libérer la rotation du noyau (3) de cylindre, au moins deux goupilles (11) en acier trempé, s'étendant dans le sens longitudinal, étant disposées dans le noyau de cylindre, barillet caractérisé en ce que les goupilles (11) en acier sont mises en place dans le noyau (3) de cylindre, de façon telle qu'elles guident une vis d'acier d'un diamètre d'au moins environ 3 mm, laquelle doit être vissée dans le noyau de cylindre en vue de l'extraction de celui-ci, de façon telle que cette vis d'acier peut être détériorée sur sa périphérie par des éléments de maintien (4, 5, 6) formant goupilles poussés à bloc radialement vers l'extérieur.
  2. Barillet de serrure selon la revendication 1, caractérisé en ce que les goupilles (11) en acier présentent l'une par rapport à l'autre une distance (A) qui n'est pas supérieure à environ 3 mm.
  3. Barillet de serrure selon la revendication 2, caractérisé en ce que les goupilles (11) sont disposées à droite et à gauche à côté du passage (8) pour clé,et en ce que la distance (B) séparant ces goupilles (11) des goupilles (5) de noyau qui leur font suite est choisie de manière qu une vis d'un diamètre d'environ 4 mm/ vissée entre les goupilles (11) dans le passage (8) pour clé, repousse radialement à bloc vers l'extérieur les éléments de maintien (4, 5, 6) formant goupille.
  4. Barillet de serrure selon la revendication 2 ou 3, caractérisé en ce que la distance (B) séparant les goupilles (11) des goupilles (5) de noyau qui leur font suite, n'est pas supérieure à environ 0,6 mm.
  5. Barillet de serrure selon l'une des revendications 1 à 4, celui-ci étant un barillet double comportant une partie de liaison (30) reliant les deux demi-cylindres, caractérisé en ce que dans les alésages (31) de la partie de liaison (30) sont mises en place des goupilles (32) en acier trempé qui s'étendent jusque dans le corps (1) de cylindre.
  6. Barillet de serrure selon la revendication 5, caractérisé en ce que les goupilles (32) en acier s'étendent dans la partie de liaison (30) perpendiculairement au sens longitudinal du barillet de serrure.
  7. Barillet de serrure selon la revendication 6, caractérisé en ce que,de chaque côté de l'alésage fileté (34) est disposée dans chaque cas au moins une goupille (32) en acier ayant pour rôle d'agir sur une vis qui serait insérée à fond (dans ce barillet).
EP88810765A 1988-03-04 1988-11-08 Cylindre pour serrure de sécurité Expired - Lifetime EP0330803B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88810765T ATE83527T1 (de) 1988-03-04 1988-11-08 Drehschliesszylinder fuer ein sicherheitsschloss.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH814/88A CH676272A5 (fr) 1988-03-04 1988-03-04
CH814/88 1988-03-04

Publications (3)

Publication Number Publication Date
EP0330803A2 EP0330803A2 (fr) 1989-09-06
EP0330803A3 EP0330803A3 (en) 1990-06-13
EP0330803B1 true EP0330803B1 (fr) 1992-12-16

Family

ID=4195815

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88810765A Expired - Lifetime EP0330803B1 (fr) 1988-03-04 1988-11-08 Cylindre pour serrure de sécurité

Country Status (8)

Country Link
EP (1) EP0330803B1 (fr)
AT (1) ATE83527T1 (fr)
BR (1) BR8901004A (fr)
CH (1) CH676272A5 (fr)
DE (2) DE3876784D1 (fr)
ES (1) ES2036281T3 (fr)
GR (1) GR3006635T3 (fr)
IL (1) IL89442A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2689557A1 (fr) * 1992-04-07 1993-10-08 Jpm Chauvat Sa Barillet pour dispositif de verrouillage.
FR2763091A1 (fr) 1997-05-07 1998-11-13 Vachette Sa Barillet de serrure pour serrure de securite

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0985787B1 (fr) 1998-09-07 2004-10-13 Berchtold AG, SEA Schliess-Systeme Serrure cylindrique avec palier pour le panneton ratatif
GB0303763D0 (en) * 2003-02-18 2003-03-26 Fullex Locks Ltd Locks

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1422497A (en) * 1921-09-02 1922-07-11 Yale & Towne Mfg Co Pin-tumbler lock
US1434947A (en) * 1922-03-27 1922-11-07 Yale & Towne Mfg Co Tumbler lock
CH187645A (de) * 1936-04-06 1936-11-30 Berchtold Rudolf Sicherheitsschloss.
GB1040276A (en) * 1963-07-30 1966-08-24 Eaton Yale & Towne Key operable locks
DE2514920C2 (de) * 1975-04-05 1982-06-16 Zeiss Ikon Ag, 7000 Stuttgart Mit einer Aufbohrsicherung versehener Schließzylinder mit Stiftzuhaltungen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2689557A1 (fr) * 1992-04-07 1993-10-08 Jpm Chauvat Sa Barillet pour dispositif de verrouillage.
FR2763091A1 (fr) 1997-05-07 1998-11-13 Vachette Sa Barillet de serrure pour serrure de securite

Also Published As

Publication number Publication date
GR3006635T3 (fr) 1993-06-30
ATE83527T1 (de) 1993-01-15
ES2036281T3 (es) 1993-05-16
EP0330803A3 (en) 1990-06-13
CH676272A5 (fr) 1990-12-28
DE3876784D1 (de) 1993-01-28
DE8814292U1 (de) 1988-12-29
IL89442A (en) 1992-03-29
BR8901004A (pt) 1989-10-24
IL89442A0 (en) 1989-09-10
EP0330803A2 (fr) 1989-09-06

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