EP0927801B1 - Barillet de serrure pour serrure de sécurité - Google Patents

Barillet de serrure pour serrure de sécurité Download PDF

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Publication number
EP0927801B1
EP0927801B1 EP98122447A EP98122447A EP0927801B1 EP 0927801 B1 EP0927801 B1 EP 0927801B1 EP 98122447 A EP98122447 A EP 98122447A EP 98122447 A EP98122447 A EP 98122447A EP 0927801 B1 EP0927801 B1 EP 0927801B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
core
cover plate
covering disc
locking 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.)
Expired - Lifetime
Application number
EP98122447A
Other languages
German (de)
English (en)
Other versions
EP0927801A1 (fr
Inventor
Rolf Schmidt
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.)
BKS GmbH
Original Assignee
BKS 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 BKS GmbH filed Critical BKS GmbH
Publication of EP0927801A1 publication Critical patent/EP0927801A1/fr
Application granted granted Critical
Publication of EP0927801B1 publication Critical patent/EP0927801B1/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
    • E05B17/00—Accessories in connection with locks
    • E05B17/14—Closures or guards for keyholes
    • E05B17/18—Closures or guards for keyholes shaped as lids or slides

Definitions

  • the following invention relates to a lock cylinder for a security lock according to the preamble of claim 1.
  • locking cylinder is the generic term for different special Exemplary embodiments - e.g. Profile cylinder, lever cylinder, Outer cylinder for box locks ... is.
  • Lock cylinders of this type are generally known, see e.g. Brochure BKS janus or document US-A-1 662487. They have a cylinder housing, in which a cylinder core - after release by the tumbler elements - is rotatable. To align the tumbler elements, in the case of pin tumblers, each made from a core pin and housing pin, there is a security key, which is inserted into the key channel of the cylinder core becomes. The incisions provided in the key align the Tumbler elements so that - provided the key is authorized to access - the cylinder core is free in the cylinder housing can be rotated.
  • the cylinder core is one of these Lock cylinder therefore the considerable risk of drilling exposed.
  • Such one Security fitting is placed upstream of the locking cylinder.
  • the Security fitting has one immediately in front of the lock cylinder lying cylinder armor in which a rotatably mounted Drill protection disk is located, which is provided with a slot which is in alignment with the key channel can be brought.
  • the drilling protection disc rotatably mounted in the cylinder cover, so that an attached Twist drill only the slotted drilling protection disc set in rotation. In this way the Lock cylinder protected against drill attacks.
  • the known lock cylinder to develop so that attacks with a compact design selective and successful on the outside of the locking cylinder can be repelled.
  • the advantage of the invention is that a drilling protection for the cylinder core of the lock cylinder in that only outer casing protruding a few millimeters above the cylinder core of the locking cylinder integrated unobtrusively on the outside is.
  • the lock cylinder can therefore in without further measures the usual standard length steps.
  • One aspect of selective defense is the defense against attempted drilling. Defense against these violent attacks on the Lock cylinder is primarily due to the rotatable bearing the cover plate both in the cylinder housing and relatively to the cylinder core. This alone already creates effective protection against drilling into the cylinder core. Since the lock cylinder according to this invention by appropriate Color of the cover plate clearly on the outside can differ from conventional locking cylinders In this way, occasional intruders can be recognized from outside indicated that attempts to break open are considerably more difficult. This promotes the confidence of the security-conscious consumer and may reduce the number unusable made lock cylinder.
  • the implementation of the invention is simple and inexpensive to do. In principle, it is sufficient in the protruding longitudinal area of the cylinder housing a circumferential To provide an annular groove, which is the rotary bearing of the cover plate serves.
  • the cover plate sits with her Outer edge in the circumferential annular groove of the cylinder housing and is in this ring groove at least after appropriate use of force freely rotatable.
  • the cover plate can therefore also be used as an indicator for a break-in attempt can be used.
  • cover plate takes over not only the drilling protection function but also the stop function of the cylinder core for the key neck.
  • cover plate can also be of the rotating Ring groove in the cylinder housing slightly against the end face of the cylinder core to be pressed in this way to ensure positive locking as long as not tried the cover plate is separated from the cylinder core through the use of force to twist.
  • Another aspect of selective defense against attacks is the danger of core pulling.
  • the slot in the cover plate at least one -be smaller slice thickness (approx. 3 mm) preferably two themselves have opposite nose (s) jumping inwards that protrudes up to about 3 mm into the slot, which is provided in the cover plate.
  • the cylinder core has a thin sleeve outside the key channel, that stands in the slot of the cover plate and that there is caulked against the wall of the slot.
  • the thin one The web of the protruding sleeve on the one hand holds the cover plate normally always in an aligned position to the Keyway.
  • the thin sleeve shears with the corresponding one The effect of violence stops early, so that Rotate the cover plate as a drilling protection in the cylinder housing.
  • the thin sleeve caulked to the outside, offers a practically funnel-shaped entry into the key channel, making it easy to insert the key becomes.
  • the cover disc according to this invention application can be found in all types of locking cylinders, one should special execution are preferred, in which the Key channel consists of two practically circular holes, which are connected by a short web area are. One of the holes is concentric to the axis of rotation of the cylinder core, the other hole cuts the wall of the cylinder core.
  • Such a locking cylinder offers considerable advantages regarding the number of possible variations, because the Locking elements radial to the first hole in different Rows and angles can be arranged. in addition comes the possibility of varying the key channel corresponding projections in the hole that the Cuts the wall of the cylinder core.
  • Such one Lock cylinder is e.g. known from EP 0 651 117. The entire content of this disclosure also becomes the content of the present application made.
  • Claims 3 and 4 also show the benefit of a reduction in stocks Profile variants or variants with / without drilling protection. Out the feature of claims 6 and 7 also results in a reduction of the variants to be kept in stock of core pull protection.
  • profile cylinder 1 for a security lock.
  • profile cylinder 1 has a cylinder housing 2.
  • the cylinder housing 2 in one piece and in the embodiment 2 the cylinder housing is in two parts. It exists from an outer cylinder housing 2.1 and one therein used inner cylinder housing 2.2.
  • cylinder housing 2 In the cylinder housing 2; 2.1, 2.2 is a cylinder core 3 intended.
  • the cylinder core 3 is in the cylinder housing 2 held axially and is in a bore of the cylinder housing 2 rotatable.
  • the cylinder core 3 has the entrance of a key channel 4 on.
  • the key channel 4 serves the security key 10 into the profile cylinder.
  • the most Security key 10 provided incisions then act with the tumblers 6 together.
  • the pin tumblers 6 consist of pairs of pins, one of which is a core pin 7 inside the cylinder core and a housing pin 8 to be arranged within the cylinder housing so that under the influence of the compression spring 9, the common contact zone between the core piece 7 and the housing pin 8 in the parting line 5 aligned between the cylinder core 3 and the cylinder housing 2 becomes.
  • the cylinder core 3 can be inside the cylinder housing Turn 2 and operate the lock.
  • the cover plate 12 has one Recess 14, which is aligned with the key channel 4. Consequently the cover plate 12 becomes the front end of the cylinder core 3 upstream.
  • the cover plate 12 covers the one End face of the cylinder core 3, which violent Attacks are preferred. Because violent attacks in particular from the front end in the profile cylinder 1 take place, the cover plate 12 therefore protects the drilling-sensitive outer surface of the cylinder core 3.
  • the cover plate 12 is undercut circumferential groove 15 of the projecting longitudinal region 11 of the cylinder housing 2 rotatable.
  • the cover plate 12 can thus on the one hand the rotary movement of the cylinder core 3 if the profile cylinder 1 is actuated correctly, follow along.
  • the cover plate 12 is also relative rotatable to the cylinder core 3.
  • the cover plate 12 will be relative to the cylinder core 3 turn and in this way the rotary movement of the attacking drill.
  • the cover plate 12 therefore offers the function of a drilling protection plate, the is installed directly on the profile cylinder 1 itself and thus becomes part of the profile cylinder.
  • the pivot bearing of the Cover plate 12 lies behind the overlapping end face 13 of the cylinder housing 2, so that the cover plate 12 also not with little effort from their intended position can be levered out.
  • the cylinder housing 2 2.1 one in Direction to the axis of rotation 24 inwardly jumping collar 16 on, behind which the cover plate 12 with its outer edge 17 lies.
  • a removal of the cover plate 12 could therefore possibly by attacking the collar 16, however, this is due to the slight overhang of the outer End face of the cover plate 12 over the front surface of the Cylinder housing 2.1 considerably more difficult.
  • cover plate 12 has an outside lying diameter step 18, this leads to a considerable Material accumulation, which increases the stability of the cover plate 12 is significantly increased. This eliminates the danger the separation of the cover plate 12 is reduced
  • the cover 12 immediately the to front front face of the cylinder core 3.
  • the cover plate 12 is located directly at the common contact surface 19, the between the cylinder core 3 and the rear of the cover plate 12 consists.
  • Figures 1 and 2 show that the Cylinder core 3 has a thin sleeve 20 which is in the recess 14 of the cover plate 12 protrudes.
  • the outer circumference of the thin sleeve 20 is on the inner contour of the recess 14 customized.
  • the thickness of the sleeve 20 is such that the thin sleeve 20 with a short protruding longitudinal area opposite the Cover plate 12 bent outwards i.e. be caulked can.
  • the caulked sleeve end 21 therefore holds the cover plate 12 in close contact with the front end of the cylinder core 3 and normally also prevents that the relative rotational position between the cover plate 12th and cylinder core 3 changed.
  • a profile cylinder of conventional design in which the pin tumblers in the vertical Bridge part of the profile cylinder are housed, shows additionally 2 shows a design in which the pin tumblers in the circular cylindrical upper part of the profile cylinder sit.
  • a profile cylinder is e.g. Subject of EP 0 651 117, for the features not expressly mentioned here reference should be made to this document.
  • Essential with this design is that the pin tumblers in different Radial planes with respect to the axis of rotation 24 and exclusively housed in the inner cylinder housing 2.2 are.
  • the cylinder housing 2.2 is held by holding pins 23 held against the rest of the cylinder housing.
  • the upper bore 25 is concentric with the axis of rotation 24 of the cylinder core 3.
  • the lower bore 26 intersects the wall of the cylinder core 3 so that the wall at this point is broken.
  • a profile 29 can be provided for the lower bore 26 his.
  • the profile consists of across the hole protruding projections according to a special feature of the invention not on the wall of the key channel 3, but on the cover plate 12 sit. In this way, namely Path to key channel 4 blocked for all those Security key, which none at the relevant point have corresponding longitudinal groove.
  • Figs. 3 and 4 show how the cylinder core 3 with a thin sleeve 20 in the recess of Cover plate 12 protrudes and this in terms of Extends the diameter so far that the thin sleeve 20 caulked against the wall / front surface of the cover plate 12 can be.
  • the cover plate 12 at least covers partially free access to key channel 4 and also protects it against external attacks.
  • cover plate 12 also where the wall of the cylinder core 3 from the key channel 4 is broken, closed via a ring bridge is.
  • the cover plate therefore realizes the principle of one crack-proof closed ring especially where the Wall of the cylinder core 3 is broken.
  • the lower ring web 33 is relatively narrow, it is guaranteed he the required stability of the cover plate 12, because this on its outer circumference directly from the cylinder housing 2 is included. It is also recommended to use the cover plate from a tempered steel or from a case hardening steel manufacture.
  • the outer edge 17 of the cover plate is also in essentially circular, so that the cover plate 12 in full Includes circumference of the collar 16 of the cylinder housing 2 becomes. A violent removal of the cover plate requires hence the destruction of the entire ring collar 16.
  • Fig. 5 shows that the recess 14 in the cover plate 12 has at least one nose 31, which can be up to about 3 mm protrudes into the recess.
  • Fig. 5 also shows the axisymmetric arrangement of two lugs 31 and 32.
  • Anchoring is done with the help of highly tempered screws created in the lock cylinder. At this anchoring a puller.
  • the projecting lugs according to FIG. 5 provide in conjunction with the features of claims 4 to 6 therefor, that the highly tempered screws have only a slight hold at the cover plate. The puller is thus the withdrawn necessary resistance.
  • the cover plate 12 Since the cover plate 12 immediately and flush sits in front of the head of the cylinder core 3 - by the caulked Sleeve end 21 it is held axially in this position -, can be due to a slight projection 38 of the outer end face 39 of the cover plate 12 over the front face 13 of the cylinder housing 2 also the depth stop for the inserted safety key 10 through the cover plate 12 can be realized. With that comes the cover plate 12 with practically unchanged total length of the cylinder housing 12 In addition to the safety function, the function of a depth stop. Nevertheless, the cover plate 12 only slight possibilities of attack for intrusion tools.

Landscapes

  • Lock And Its Accessories (AREA)
  • Chairs Characterized By Structure (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (14)

  1. Cylindre de fermeture (1) pour une serrure de sécurité, comprenant une enveloppe cylindrique (2 ; 2.1, 2.2) et un barillet (3) qui est fixé axialement et apte à tourner dans celle-ci et qui présente, à l'avant, l'entrée d'un canal de clé (4) pour une clé de sécurité (10) en vue d'aligner des organes de retenue (6) qui débloquent le barillet (3) dans le sens d'un mouvement rotatif, avec la clé autorisée (10), étant précisé que l'enveloppe cylindrique (2) dépasse du barillet (3) avec une section longitudinale (11), à l'avant, qu'il est prévu, dans cette section longitudinale, un élément de recouvrement qui est pratiquement coaxial par rapport au barillet (3) et qui présente un évidement (14) situé dans l'alignement du canal de clé (4), et que l'élément de recouvrement est apte à tourner avec le barillet (3) et aussi par rapport à celui-ci,
       caractérisé en ce que l'élément de recouvrement est conçu comme une plaque de recouvrement (12) qui est placée avec son bord extérieur (17) dans une rainure périphérique contre-dépouillée (15), laquelle
       est prévue dans la section longitudinale (11) de l'enveloppe cylindrique (2) qui dépasse du barillet (3) vers l'avant,
       et en ce que la plaque de recouvrement (12) est apte à tourner dans cette rainure périphérique (15).
  2. Cylindre de fermeture selon la revendication 1, caractérisé en ce que la plaque de recouvrement (12) est disposée immédiatement en avant de la surface frontale du barillet (3).
  3. Cylindre de fermeture selon la revendication 1 ou 2, caractérisé en ce que l'évidement (14) prévu dans la plaque de recouvrement (12) a le profil de la clé (10) correspondant au cylindre de fermeture (1), tandis que le canal de clé (4) n'est pas profilé.
  4. Cylindre de fermeture selon l'une des revendications 1 à 3, caractérisé en ce que la plaque de recouvrement (12) est fabriquée à partir d'un acier de traitement ou d'un acier de cémentation.
  5. Cylindre de fermeture selon la revendication 4, caractérisé en ce que la plaque de recouvrement (12) est trempée.
  6. Cylindre de fermeture selon la revendication 5, caractérisé en ce que l'évidement (14) prévu dans la plaque de recouvrement (12) présente au moins une saillie (31) qui dépasse dans ledit évidement (14) jusqu'à environ 3 mm.
  7. Cylindre de fermeture selon la revendication 6, caractérisé en ce que deux saillies se font face, de préférence symétriquement par rapport à l'axe de rotation (24) du barillet (3).
  8. Cylindre de fermeture selon l'une des revendications 1 à 7, caractérisé en ce que le barillet (3) dépasse dans l'évidement (14) de la plaque de recouvrement (12) avec un manchon mince (20), et en ce que ce manchon mince (20) est maté contre la paroi dudit évidement (14).
  9. Cylindre de fermeture selon l'une des revendications 1 à 8, caractérisé en ce que le diamètre extérieur (36) de la plaque de recouvrement (12) est supérieur au diamètre extérieur (37) du barillet (3), et en ce que la plaque de recouvrement (12) est fermée, à l'extérieur de l'évidement (14), grâce à des pattes annulaires (33, 34).
  10. Cylindre de fermeture selon l'une des revendications 1 à 9, caractérisé en ce que le canal de clé (4) se compose de deux perçages pratiquement circulaires (25, 26) qui sont reliés par une courte zone formant bande, le perçage (25) étant concentrique par rapport à l'axe de rotation (24) du barillet (3) tandis que l'autre perçage (26) coupe la paroi du barillet (3), étant précisé qu'on n'associe de préférence qu'à ce dernier perçage le profil (30) nécessaire à la variation des clés de sécurité autorisées (10).
  11. Cylindre de fermeture selon l'une des revendications 1 à 10, caractérisé en ce que le bord extérieur (35) de la plaque de recouvrement (12) est enserré par la rainure périphérique (15) de l'enveloppe cylindrique, de préférence avec un interstice annulaire de moins de 1 mm.
  12. Cylindre de fermeture selon l'une des revendications 1 à 11, caractérisé en ce que la rainure périphérique (15) est définie par une collerette annulaire (16) de l'enveloppe cylindrique (2 ; 2.1) qui se trouve à l'extrémité avant de la section longitudinale saillante (11) de ladite enveloppe (2).
  13. Cylindre de fermeture selon l'une des revendications 1 à 12, caractérisé en ce qu'il est conçu comme un double cylindre profilé, et en ce qu'-une plaque de recouvrement (12) est prévue aussi bien sur le côté intérieur que sur le côté extérieur.
  14. Cylindre de fermeture selon l'une des revendications 1 à 13, caractérisé en ce que la plaque de recouvrement (12) constitue la butée de profondeur pour la clé de sécurité introduite.
EP98122447A 1997-12-19 1998-11-26 Barillet de serrure pour serrure de sécurité Expired - Lifetime EP0927801B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29722472U DE29722472U1 (de) 1997-12-19 1997-12-19 Schließzylinder für ein Sicherheitsschloß
DE29722472U 1997-12-19

Publications (2)

Publication Number Publication Date
EP0927801A1 EP0927801A1 (fr) 1999-07-07
EP0927801B1 true EP0927801B1 (fr) 2003-04-09

Family

ID=8050220

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98122447A Expired - Lifetime EP0927801B1 (fr) 1997-12-19 1998-11-26 Barillet de serrure pour serrure de sécurité

Country Status (3)

Country Link
EP (1) EP0927801B1 (fr)
AT (1) ATE237056T1 (fr)
DE (2) DE29722472U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009016955A1 (de) * 2009-04-14 2010-10-21 Huf Hülsbeck & Fürst Gmbh & Co. Kg Schließzylinder für ein Kraftfahrzeug

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT503695B1 (de) * 2004-02-26 2008-09-15 Evva Werke Zylinderschloss
WO2014167588A1 (fr) * 2013-04-09 2014-10-16 Cisas.P.A. Vérin résistant à la rupture

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1645006A (en) * 1925-12-23 1927-10-11 Briggs & Stratton Corp Tumbler lock
US1662487A (en) * 1925-12-23 1928-03-13 Briggs & Stratton Corp Lock
FR2570743B1 (fr) * 1984-09-21 1989-01-13 Picard Serrure a pompe a filtre rotatif antipercage et cle pour l'ouverture d'une telle serrure
DE4226721C2 (de) * 1991-02-09 1997-04-24 Ikon Praezisionstechnik Kernschutz
DE4104042C1 (en) * 1991-02-09 1992-05-07 Ikon Ag Praezisionstechnik, 1000 Berlin, De Core protector for cylinder lock - incorporates blade directed towards cylinder core to cut conducting foil
DE4206413A1 (de) * 1992-02-29 1993-09-02 Dieckmann Erich Normbau Beschlag fuer tueren
DE4317994C1 (de) * 1993-05-28 1994-10-20 Winkhaus Fa August Schließzylinder
DE4419103C2 (de) * 1993-06-04 1997-03-13 Eak Electronic Alarm Kromer Gm Kernschutz für Schlösser, insbesondere für Profilzylinder bzw. Blockschlösser von Einbruchmeldeanlagen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009016955A1 (de) * 2009-04-14 2010-10-21 Huf Hülsbeck & Fürst Gmbh & Co. Kg Schließzylinder für ein Kraftfahrzeug

Also Published As

Publication number Publication date
DE59807848D1 (de) 2003-05-15
DE29722472U1 (de) 1999-04-22
ATE237056T1 (de) 2003-04-15
EP0927801A1 (fr) 1999-07-07

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