EP0632176B1 - Cylindre de fermeture - Google Patents

Cylindre de fermeture Download PDF

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Publication number
EP0632176B1
EP0632176B1 EP94108236A EP94108236A EP0632176B1 EP 0632176 B1 EP0632176 B1 EP 0632176B1 EP 94108236 A EP94108236 A EP 94108236A EP 94108236 A EP94108236 A EP 94108236A EP 0632176 B1 EP0632176 B1 EP 0632176B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
lock according
plug
key channel
cylinder 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
EP94108236A
Other languages
German (de)
English (en)
Other versions
EP0632176A1 (fr
Inventor
Alfred Schunck
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.)
Aug Winkhaus GmbH and Co KG
Original Assignee
Aug Winkhaus GmbH and Co KG
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 Aug Winkhaus GmbH and Co KG filed Critical Aug Winkhaus GmbH and Co KG
Publication of EP0632176A1 publication Critical patent/EP0632176A1/fr
Application granted granted Critical
Publication of EP0632176B1 publication Critical patent/EP0632176B1/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 relates to a locking cylinder and in particular a locking cylinder with at least one anti-drilling element inserted in its cylinder core.
  • Conventional locking cylinders have a cylinder core which can be rotated about its cylinder axis in a core receiving bore of a housing and which contains a key channel extending in the direction of the cylinder axis and is blocked relative to the housing by a plurality of tumbler elements arranged one behind the other in at least one row along the key channel.
  • the tumbler elements which are usually spring-loaded tumbler pin pairs divided in a tangential plane to the cylinder core, are unlocked by means of a key inserted into the key channel.
  • the holes and pockets provided for receiving the reinforcing elements in the cylinder core weaken the cylinder core so that it can partially tear off during pull-out attempts, with the result that the rest of the core is unprotected.
  • conventional reinforcement elements offer no protection against milling out the entire front end of the cylinder core by means of a milling tool up to the then freely removable reinforcement elements.
  • the above-mentioned object is achieved in that the cylinder core and at least one of the reinforcement elements on the side facing away from the insertion end face have axial projections which at least partially overlap with the contour of the reinforcement element and engage in one another transversely to the cylinder axis.
  • Such a reinforcement element is not only provided by the undercut surfaces of the pocket in the cylinder core held, but also attached to the cylinder core by the hooking means.
  • the hooking means are, seen from the insertion end of the cylinder core, behind the reinforcement element, and are therefore protected by the reinforcement element against attempts at drilling. Even if the cylinder core should tear off in the region of the pocket during a core pulling attempt, the reinforcement elements are still held on the cylinder core by the hooking means. The same applies if the cylinder core is milled from the front end.
  • the reinforcing elements can be pins or the like, which are inserted in bores of the cylinder core which run transversely to the cylinder axis.
  • the pocket provided in the cylinder core is designed as a slot running in the normal axis and the reinforcement element as a reinforcement plate.
  • the reinforcing plate preferably has a circular section shape, in particular such that it comprises an arcuate edge section that is at least approximately congruent with the circumference of the cylinder core and an, for example, straight edge section that extends essentially parallel to the broadside direction of the key channel. Reinforcing plates of this type, like the associated slots forming the pockets, can be easily produced and, even when the locking cylinder is used for a long time, cause only slight wear in the adjacent area of the core receiving bore of the housing.
  • the reinforcement elements are arranged on both sides of the key channel, in particular in pairs, in a common axis-normal plane. At least one pair of the reinforcing elements is preferably towards the front end of the insertion in front of the front end in the insertion direction Arranged tumbler element and preferably the reinforcing elements especially of this pair come close to the broad side of the key channel.
  • the reinforcement elements arranged on both sides of the key channel work the thread of the core pulling screw in a manner known per se before the screw can grip in the cylinder core material.
  • Reinforcement elements specially designed as reinforcement plates of the type explained above are particularly stable, since they can be supported on the core receiving bore on a large part of their outer circumference and have little tendency to deform themselves.
  • the hooking means of the cylinder core on the side facing away from the insertion end of the cylinder core at a distance from the pocket receiving the reinforcement element has a shoulder pointing away from the insertion end and at least partially overlapping with the pocket, while the hooking means of the reinforcement element one Have shoulder part that grips behind the shoulder.
  • the preferably integral with the reinforcing element, i.e. one-piece hooking means and the associated shoulder can run obliquely to the direction of the cylinder axis, which enables comparatively massive hook cross sections.
  • the hook part has a web section which extends in the direction of the cylinder axis and an engagement section which extends from the web section essentially along a plane which is normal to the axis.
  • the recesses to be incorporated in the cylinder core for the reception of such hook parts can be produced comparatively easily.
  • the key channel is along its broad side towards the circumference of the cylinder core eccentrically offset and has a narrow side open to the circumference of the cylinder core.
  • the web portion of the hook part explained above is preferably at least partially arranged in the area of the cylinder core approximately opposite the open narrow side of the key channel .
  • the web section expediently ends flush with the circumference of the cylinder core.
  • the engagement section of the hook part can have a shape corresponding to or different from the reinforcing part.
  • the engagement section can also have the shape of a pin, so that the unit consisting of the reinforcement part and the hook part essentially takes the form of a U-shaped bracket which sits with its legs in axially arranged recesses in the cylinder core, for example bores arranged one behind the other.
  • these cutouts can also be designed as slots and that the two pins can optionally also be connected at both ends to form a closed ring.
  • Both the reinforcement element and the engagement section of the hook part are preferably designed as plates approximately parallel to one another, which engage in slots of the cylinder core that are normal to the axis and spaced apart from one another. Because the engagement element is also designed as a plate, the interlocking effect is increased. Manufacturing is simplified if the two plates are at least on the side remote from the key channel with one another and with the cylinder core have an essentially congruent contour. The protective effect is particularly great if both plates are congruent overall.
  • the reinforcing elements and their hooking means When a core-tightening screw is screwed into the key channel, the reinforcing elements and their hooking means are pushed radially outward against the core-receiving bore of the housing.
  • the core pulling security can be increased if the reinforcing element and / or its hooking means reach up to the circumference of the cylinder core and are provided in the region of the circumference of the cylinder core with at least one cutting edge directed towards the core receiving bore of the housing. During a core pulling test, the cutting edge digs into the housing and grips the core on the housing.
  • FIGS. 1 and 2 show a lock cylinder with a Housing 1 of the cock profile type, which comprises a cylinder section 3 and a radially projecting web section 5 extending along the cylinder section 3.
  • paired tumbler pins 19 and 21 which lock the cylinder core 11 relative to the housing 1 by a spring 23 Position are biased.
  • the parting plane 25 of each tumbler pin pair 19, 21 extends tangentially to the circumference of the cylinder core 11, whereby the lock cylinder can be unlocked and the cylinder core 11 can be rotated.
  • slots 29 are milled into the cylinder core 11 on both sides of the key channel 13.
  • the slots 29, which run essentially in the same axis-normal plane, extend with their bottoms 31 to close to the broad side of the key channel 13 and form pockets into which reinforcing plates 33 in the form of circular sections are inserted from the radially outside.
  • the reinforcing plates 33 have a circular arc-shaped outer edge 35 which is substantially congruent with the circumference of the cylinder core 11 and an inner edge 37 which runs approximately parallel to the broad side direction of the key channel 13.
  • the mutually facing inner edges 37 of the pair of reinforcing plates form processing edges Destruction of the thread of a core drawing screw, not shown in more detail, screwed into the key channel 13 during a core drawing attempt. Since the reinforcement plates 33 almost completely cover the core cross section, the areas of the core located behind the reinforcement plates 33, as seen from the insertion end 27, are protected from attempts to drill out.
  • the reinforcement plates 33 In order to prevent the reinforcement plates 33, which are only loosely inserted into the slots 29, from being removed when the cylinder core 11 is machined, for example milled off, from the insertion end 27 to the slots 29, the reinforcement plates 33 are applied their, facing away from the insertion end 27 integrally molded hooking means in the form of a hook part 39, which engages in the associated hooking means of the cylinder core 11, here a further slot 41 milled axially normal to the slot 29 in the cylinder core 11. 3a to 3c, the web portion 39 has a web portion 43 which integrally connects an engagement plate 45, which engages in the slot 41 and is parallel to the reinforcement plate 33, to the reinforcement plate 33.
  • the engagement plate 45 engages behind a shoulder 47 formed by the slot 41 and facing away from the insertion end 27.
  • the engagement plate 45 and the reinforcement plate 33 have the same outer contour with an arcuate outer edge adapted to the circumference of the cylinder core 11 and a straight inner edge.
  • the web section 43 merges flush with the outer edge in the form of a circular arc and is arranged eccentrically to the center of the circular arc edge.
  • the web section 43 thus comes to lie in the cylinder core 11 at a location with a comparatively large material cross section, approximately diametrically, the open narrow side edge 49 (FIG. 2) of the key channel 13 arranged eccentrically to the axis of rotation 9 in the cylinder core 11. This one in the The area near the tumbler pins 19, 21 is thus particularly well protected against attempts at drilling.
  • the reinforcing plates 33 including the hook parts 39 are made of hardened steel or hard metal.
  • the circular-arc-shaped outer edges of the reinforcement plate 33 and / or the engagement plate 45 can be chamfered to form cutting edges, as is indicated at 51 in FIG. 1.
  • the engagement plate 45 is connected to the reinforcing plate 33 by the eccentrically arranged web section 43.
  • the reinforcing element thus has a generally U-shaped shape.
  • an additional web section 43a can be provided, so that the reinforcement element corresponding to FIG. 3a generally takes the form of a rectangular ring formed by the reinforcement plate 33, the engagement plate 45 and the two web sections 43 and 43a.
  • the web section can also extend essentially over the entire length of the circular-arc-shaped edge of the reinforcement plate 33 and engagement plate 45.
  • the engagement plate 45 has the same shape and size as the reinforcement plate 33.
  • FIGS. 4a to 4c show a variant of an engagement plate 45c, which has the same inner contour 37c and the arcuate outer edge 35c of the reinforcement plate 33c follows, but is shortened to an area in the vicinity of the web portion 43c.
  • 5a to 5c show a reinforcing plate 33d, the hook part 39d of which instead of a plate-shaped engagement section projecting beyond the web section 43d in the broad side direction of the key channel has only a nose 45d, the cross-sectional dimensions of which correspond to those of the web section 43d.
  • the reinforcement plate 33d can be provided with cutouts for receiving further elements accommodated in the cylinder core 11.
  • additional elements can be, for example, axles of additional locking levers, as are described in EP-P-237 799.

Landscapes

  • Lock And Its Accessories (AREA)
  • Fluid-Damping Devices (AREA)
  • Chairs Characterized By Structure (AREA)

Claims (15)

  1. Barillet de verrouillage comprenant
    - une enveloppe (1),
    - un noyau de barillet (11), susceptible de pivoter autour de son axe (9) dans un alésage de positionnement du noyau (7), réalisé dans l'enveloppe (1), comprenant un conduit de clef (13) qui s'étend dans le sens de l'axe du barillet (9) à partir d'une extrémité frontale d'introduction (27) du noyau de barillet (11),
    - une pluralité d'éléments de verrouillage (19, 21) montés les uns derrière les autres en formant au moins une rangée le long du conduit de clef (13), qui sont destinés à verrouiller le noyau de barillet (11) par rapport à l'enveloppe (1) et peuvent être déverrouillés à l'aide d'une clef introduite dans le conduit de clef (13), et
    - au moins un élément de blindage (33, 39), monté dans une poche (29) ouverte sur la périphérie du noyau de barillet (11), réalisée dans le noyau de barillet (11), latéralement au conduit de la clef (13),
       caractérisé en ce que le noyau de barillet (11) et au moins un des éléments de blindage (33, 39), sur le côté opposé à l'extrémité frontale d'introduction (27) dans une projection axiale, sont munis de moyens de blocage (39, 41) s'engageant les uns dans les autres, transversalement par rapport à l'axe du barillet (9), qui recouvrent au moins partiellement le contour des éléments de blindage (33, 39).
  2. Barillet de verrouillage selon la revendication 1, caractérisé en ce que la poche est conçue comme une fente (29) perpendiculaire à l'axe et en ce que l'élément de blindage (33, 39) comprend une plaque de blindage (33), en particulier présentant un contour ayant la forme d'un arc de cercle.
  3. Barillet de verrouillage selon la revendication 2, caractérisé en ce que la plaque de blindage (33) présente un bord (35) en arc de cercle de forme au moins approximativement identique à la périphérie du noyau de barillet (11) et un bord (37), en particulier rectiligne, sensiblement parallèle au sens du côté large du conduit de clef (13).
  4. Barillet de verrouillage selon l'une des revendications 1 à 3, caractérisé en ce que des éléments de blindage (33, 39) sont disposés de part et d'autre du conduit de clef (13), en particulier deux par deux dans un plan commun perpendiculaire à l'axe.
  5. Barillet de verrouillage selon la revendication 4, caractérisé en ce qu'au moins une paire d'éléments de blindage (33, 39) est disposée face à l'extrémité frontale d'introduction (27), devant l'élément de verrouillage (19, 21) situé à l'avant dans le sens de l'introduction.
  6. Barillet de verrouillage selon la revendication 4 ou 5, caractérisé en ce que les éléments de blindage (33, 39) formant la paire arrivent très près du côté large du conduit de clef (13).
  7. Barillet de verrouillage selon l'une des revendications 1 à 6, caractérisé en ce que les moyens de blocage du noyau de barillet (11), sur le côté opposé à l'extrémité frontale d'introduction (27) du noyau de barillet (11), à une distance déterminée de la poche (29) recevant l'élément de blindage (33, 39), sont formés par un épaulement (47), opposé à l'extrémité frontale d'introduction (27), qui recouvre au moins partiellement la poche (29), et en ce que les moyens de blocage (39) de l'élément de blindage (33, 39) comportant un crochet (39) qui s'engage derrière l'épaulement (47).
  8. Barillet de verrouillage selon la revendication 7, caractérisé en ce que le crochet (39) est muni d'une section formant une traverse (43) qui s'étend dans le sens de l'axe du barillet (9) et d'une section de contact (45) qui s'étend à partir de la traverse (43) sensiblement le long d'un plan perpendiculaire à l'axe.
  9. Barillet de verrouillage selon la revendication 8, caractérisé en ce que le conduit de clef (13), le long de son côté large, est décalé de manière excentrique par rapport à la périphérie du noyau de barillet (11) et possède un côté étroit (49) ouvert vers la périphérie du noyau de barillet (11) et en ce que la traverse (43) est disposée au moins partiellement dans une zone du noyau de barillet (11) dans le sens du côté large du conduit de clef (13), pratiquement face au côté étroit ouvert (49) de ce dernier.
  10. Barillet de verrouillage selon la revendication 8 ou 9, caractérisé en ce que la traverse (43) forme un assemblage à franc-bord avec la périphérie du noyau de barillet (11).
  11. Barillet de verrouillage selon l'une des revendications 8 à 10, caractérisé en ce que non seulement l'élément de blindage, mais aussi la section de contact de son crochet (39) sont conçus comme deux plaques (33, 45), sensiblement parallèles l'une par rapport à l'autre, qui s'engagent dans des fentes (29, 41) du noyau de barillet (11), réalisées perpendiculairement à l'axe et à une distance déterminée l'une de l'autre.
  12. Barillet de verrouillage selon la revendication 11, caractérisé en ce que les deux plaques (33, 45) présentent, au moins sur le côté éloigné du conduit de clef (13), un contour sensiblement identique entre elles et au noyau de barillet (11).
  13. Barillet de verrouillage selon la revendication 12, caractérisé en ce que les deux plaques (33, 45) sont identiques l'une à l'autre.
  14. Barillet de verrouillage selon l'une des revendications 1 à 13, caractérisé en ce que l'élément de blindage (33, 39) et/ou ses moyens de blocage (39) s'avancent jusqu'à la périphérie du noyau de barillet (11) et sont munis dans la zone de la périphérie du noyau de barillet (11) d'au moins une arête vive (51) orientée vers l'alésage de positionnement du noyau réalisé dans l'enveloppe.
  15. Barillet de verrouillage selon l'une des revendications 1 à 14, caractérisé en ce que l'élément de blindage (33, 39) et ses moyens de blocage (39) sont reliés l'un à l'autre pour ne former qu'une pièce.
EP94108236A 1993-05-28 1994-05-27 Cylindre de fermeture Expired - Lifetime EP0632176B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4317994A DE4317994C1 (de) 1993-05-28 1993-05-28 Schließzylinder
DE4317994 1993-05-28

Publications (2)

Publication Number Publication Date
EP0632176A1 EP0632176A1 (fr) 1995-01-04
EP0632176B1 true EP0632176B1 (fr) 1996-11-27

Family

ID=6489245

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94108236A Expired - Lifetime EP0632176B1 (fr) 1993-05-28 1994-05-27 Cylindre de fermeture

Country Status (3)

Country Link
EP (1) EP0632176B1 (fr)
AT (1) ATE145698T1 (fr)
DE (2) DE4317994C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101139890B (zh) * 2007-10-18 2011-04-13 潘永明 锁芯可空转的锁头

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT405669B (de) * 1995-03-03 1999-10-25 Evva Werke Aufbohrsicherung für zylinderschlösser
DE29722472U1 (de) * 1997-12-19 1999-04-22 Bks Gmbh, 42549 Velbert Schließzylinder für ein Sicherheitsschloß
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
IL191855A0 (en) 2008-06-01 2009-02-11 Multi Key Ltd Rav Mafteah Ltd Key, lock and locking mechanism
WO2009147677A1 (fr) * 2008-06-05 2009-12-10 Aharon, Moshe Systeme de protection de cylindre
DE102011000080A1 (de) * 2011-01-11 2012-07-12 C.Ed. Schulte Gesellschaft mit beschränkter Haftung Zylinderschlossfabrik Schließzylinder mit durch Materialschwächung geschützten Zylinderkern
WO2016135717A1 (fr) 2015-02-25 2016-09-01 Femson Boaz Serrure à cylindre sécurisée et clé, et kit pour assembler la clé

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1550435A (en) * 1922-02-13 1925-08-18 Ganz William Lock
DE3760296D1 (en) * 1986-05-09 1989-08-10 Siegenia Frank Kg Protecting device against drilling of a lock
DE3643188A1 (de) * 1986-12-18 1988-06-30 Karrenberg Fa Wilhelm Schliesszylinder
US4838055A (en) * 1988-05-02 1989-06-13 Gallagher Francis E Anti-thief key lock for vending machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101139890B (zh) * 2007-10-18 2011-04-13 潘永明 锁芯可空转的锁头

Also Published As

Publication number Publication date
EP0632176A1 (fr) 1995-01-04
DE59401121D1 (de) 1997-01-09
DE4317994C1 (de) 1994-10-20
ATE145698T1 (de) 1996-12-15

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