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EP0161654B2 - Serrure cylindrique antivol, spécialement pour systèmes avec passe-partout - Google Patents
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EP0161654B2 - Serrure cylindrique antivol, spécialement pour systèmes avec passe-partout - Google Patents

Serrure cylindrique antivol, spécialement pour systèmes avec passe-partout Download PDF

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Publication number
EP0161654B2
EP0161654B2 EP85105836A EP85105836A EP0161654B2 EP 0161654 B2 EP0161654 B2 EP 0161654B2 EP 85105836 A EP85105836 A EP 85105836A EP 85105836 A EP85105836 A EP 85105836A EP 0161654 B2 EP0161654 B2 EP 0161654B2
Authority
EP
European Patent Office
Prior art keywords
channel
key
plug
locking
auxiliary
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
EP85105836A
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German (de)
English (en)
Other versions
EP0161654B1 (fr
EP0161654A3 (en
EP0161654A2 (fr
Inventor
Deo Errani
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.)
CISA SpA
Original Assignee
CISA SpA
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11107941&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0161654(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by CISA SpA filed Critical CISA SpA
Priority to AT85105836T priority Critical patent/ATE51052T1/de
Publication of EP0161654A2 publication Critical patent/EP0161654A2/fr
Publication of EP0161654A3 publication Critical patent/EP0161654A3/en
Publication of EP0161654B1 publication Critical patent/EP0161654B1/fr
Application granted granted Critical
Publication of EP0161654B2 publication Critical patent/EP0161654B2/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
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0042—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with additional key identifying function, e.g. with use of additional key operated rotor-blocking elements, not of split pin tumbler type
    • 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
    • E05B27/0053—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in for use with more than one key, e.g. master-secondary key

Definitions

  • This invention relates to a flat key cylinder lock with anti-burglar features particularly for use with master key locking systems according to the preamble of Claim 1.
  • Locks of this type are known, for example, from German Patent No. 2,003,059, and 1,260,340, in which the auxiliary pins are arranged to extend perpendicularly to the plane of the key.
  • the pin action results from that, on the pins being slided sideways by the key being pushed in, they move out of the plug outer surface to engage in recesses formed in the cylindrical casing in which the plug is received rotatably.
  • the proper key is formed with notches which, on the key being inserted into the lock, enable the auxiliary pins to retract by reaction effect as the plug is rotated. The pin retraction is facilitated by the crowned shape of the recesses.
  • auxiliary pins The burglar resisting ability of the known auxiliary pins is, in actual practice, rather unreliable because it can be easily overcome by effecting removal thereof lengthwise to the key profile at the areas abutting the auxiliary pins, that is by milling out the key flanks longitudinally, thereby the pins are allowed to slide freely in their seats.
  • a deceptively machined key referred to in the jargon as a "relieved” key
  • the relieved bogus key has on the same side thereof either a deceptive continuous longitudinal land formation or a deceptive continuous longitudinal groove formation on the appropriate height of the key determined after a deceptive external exploration of the key channel of the lock to be subjected to burglary.
  • a lock according to the above disclosure has the disadvantage that when the lock is made fast in the rotated position, the bogus key cannot be removed and the lock is rendered unreusable.
  • German Patent Application No. 3,014,183 discloses a lock having auxiliary pins cooperating with interference pins or balls that engage recesses in the outer casing to prevent the rotation of the plug.
  • the auxiliary and interference pins are shaped so as to enable rotation of the plug when the key is inserted but not when it is removed.
  • AT-B-371 833 generically hints that different types of auxiliary locking units may be used in a lock.
  • this lock comprises a cylindrical casing 1, on the interior of which a cylindrical plug 2 is set rotatably.
  • the cylindrical plug 2 is formed, in a known manner no further illustrated herein, with a lengthwise channel or flute 3 having a shaped profile to receive the operating key, as well as with a plurality of holes 4 aligned on a longitudinal plane coinciding with the lock centreplane and accommodating the usual pins or bolt pins which, in cooperation with the counter-pins, are driven by the lock actuating key.
  • the plug 2 has additional holes 5, 6 formed therein alongside the channel 3 and being oriented in a radial direction.
  • the hole 6 is part of a first type of auxiliary locking pin unit described below and the hole 5 is part of a second type of auxiliary locking pin unit.
  • the holes 5, 6 extend in plane containing an axis substantially, but do not necessarily coincide with the axis of the plug 2.
  • the holes 5, 6 are aligned with recesses 7, 8 in the form of longitudinal grooves having an arcuate cross-section and being formed on the inner walls of the casing 1.
  • the hole 5 is in communication with the channel 3 and accommodates a cylindrical pin 9 having each of its opposed ends configured as a spherical cap.
  • pin 9 has an actuation surface portion 9a projecting into the channel 3 and a locking formation 9b normally out of engagement with the recess 7.
  • a hole 10 is also formed in the plug 2 which intersects the hole 6 orthogonally thereto and opens into the channel 3.
  • the hole 10 is closed on the side of the casing 1 by a pellet or plug nut 11 force fitted to provide support for a compression spring 12 which penetrates, with its opposed end, a recess formed in a pin 13 guided in the hole 10.
  • the pin 13 is provided at one end with a flange 14 which, owing to the bias force applied by the spring 12, is held at one end against a shoulder of the hole 10, and at the other end, with a hemispherical head 15 merging with the cylindrical body of the pin 13 through a conical collar 16.
  • the hemispherical head 15 provides an actuation surface portion normally protruding into the channel 3.
  • the abutment shoulder for the flange 14 in the hole 10 is positioned such that the hemispherical head 15 partially protrudes into the channel 3. Further, the depth of the hole 6, when combined with that of the recess 8, will equal the diameter of the hole 6, so that it can accommodate a ball 17 of the same diameter.
  • the ball 17 provides a locking formation normally in engagement with the recess 8 to exert a locking action between plug 2 and casing 1.
  • auxiliary locking pin units on the same side of the channel 3 two different types are provided, i.e. a first type including the radial hole 6, the ball 17, the transverse hole 10 and the pin 13 and on the same side a second type of auxiliary locking pin unit including the radial hole 5 and the pin 9.
  • the lock just described is operated by means of a key having side notches arranged such that, with the key inserted into the channel 3, each notch faces one hole 5 to receive the pin 9. Furthermore, the key can act with its flanks directly on the pins 13 and push them back into the holes 10 against the bias of the spring 12.
  • the plug 2 is inhibited from turning by, in addition to the actions of the pins and counter-pins housed in the holes 4, by the locking action of the ball 17 which cannot retract into the hole 6 owing to the pin 13 blocking it from moving.
  • the pins 9 On inserting the proper key into the channel 3, the pins 9 retain their freedom of movement due to the provision of corresponding notches on the key which enable the pins 9 to penetrate the channel 3. Simultaneously, the key flanks i.e. actuating land portions thereof push into the holes 10 the pins 13, thereby the ball can move down the conical region 16 and stop against the spherical head 15, thus disengaging from the recess 8. Owing to the pins in the holes 4 being positined by the key dents in the shear plane between the plug 2 and casing 1, the plug 2 may now be turned.
  • the inhibiting function is assumed by at least one of the pins 9 being pushed back into the recess 7 to the plug blocking position.
  • the lock can provide a better safeguard than traditional ones, since the auxili- ary pins not only widen the range of key coding, but also compel any ill-intentioned person surreptitiously attempting to pick the lock to manipulate pins which are difficult to locate.
  • the pin 9 is replaced by a ball 18 and a pin 19.
  • the ball 18 is accommodated in a radial hole 20 which intersects the hole 21 perpendicularly wherein the pin 19 is slidable.
  • the hole 21 is symmetrical to the hole 10 and opens into the channel 3 for the key at a position which need not necessarily be juxtaposed to the hole 10.
  • the pin 19 is provided with a flange 22 and an annular groove 23 defined by two flaring walls 24.
  • the flange 22, similarly to the flange 14, is urged against a shoulder in the hole 21 by a spring 25 which rests on a plug nut 26 in the hole 21.
  • the ball 18 will be facing the groove 23 and is free to move in the hole 20, disengaging from the recess 7 and allowing the plug 2 to be rotated.
  • FIG 4 lastly, there is shown an embodiment wherein the cylindrical springs 12 are replaced with leaf springs 29 each inserted into a respective slot 30 cut through the periphery of the plug 2 perpendicularly to its axis and intersects the hole 10 diametrically.
  • the spring 29 has one end secured by a chamfer 31 of the slot and the other end acting on the pin 13 to bias it toward the position of engagement with the channel 3 for the key.
  • One of the basic features of the inventive locks is that they enable the fabrication of so-called master key systems, wherein the locks may be operated in conformity with hierarchically different levels, in the sense that keys of a hierarchically higher level can operate locks of lower levels, but not vice versa. Diversification may be achieved by intervention on the key flanks and respective side pins. Thus, the highest key in the hierarchy will have notches for receiving the pins 9 and lands for pushing back the pins 13 of all the locks.
  • the lower level locks may have one or more auxiliary pins 9, 13 missing.
  • the hierarchy to be obtained with the auxiliary pins may be combined with that to be obtained with the usual pins and counter-pins, thereby a much differentiated hierarchical scale can be provided.

Landscapes

  • Lock And Its Accessories (AREA)
  • Seal Device For Vehicle (AREA)
  • Materials For Medical Uses (AREA)
  • Glass Compositions (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (3)

1. Serrure à cylindre pour empêcher le fonctionnement à l'aide d'une fausse clé, possédant des encoches longitudinales latérales continues déceptives et des parties surélevées longitudinales latérales, continues déceptives, ladite serrure à cylindre comprenant :
a) un boîtier (1) possédant un alésage cylindrique axial délimitant une paroi latérale, un barillet cylindrique (2) disposé à rotation dans ledit alésage, un canal (3) pratiqué axialement dans ledit barillet pour recevoir à l'intérieur une clé appropriée possédant des parties surélevées latérales et des encoches latérales, des broches de gorge principales, au moins une première unité de broche de verrouillage auxiliaire (13, 17) dans ledit barillet et ledit boîtier, ladite première unité auxiliaire étant du type comportant un élément de verrouillage (17) coopérant avec ledit barillet (2) et ledit boîtier (1) et étant apte à être positionnée entre une position de verrouillage empêchant la rotation dudit barillet par rapport audit boîtier et une position de libération permettant une rotation dudit barillet par rapport audit boîtier, ladite première unité auxiliaire comportant en outre un élément de commande (13) dans ledit barillet (2) pour commander la position dudit élément de verrouillage (17), ledit élément de commande (13) possédant une partie d'actionnement (15) destinée à être actionnée par des parties surélevées de la clé appropriée, ladite partie d'actionnement (15) faisant normalement saillie dans ledit canal (3) à une hauteur prédéterminée dudit canal (3) lorsque la clé appropriée est retirée du canal et lorsque ledit élément de verrouillage (17) est positionné par ledit élément de commande (13) pour empêcher la rotation dudit cylindre par rapport audit boîtier, ledit élément de commande (13) libérant ledit élément de verrouillage (17) pour que ce dernier atteigne sa position de libération lorsque ladite partie d'actionnement (15) dudit élément de commande (13) est en engagement avec une partie surélevée de la clé appropriée lorsque la clé appropriée est insérée dans ledit canal (3) et
b) ladite serrure à cylindre comprenant en outre au moins une seconde unité de broche de verrouillage auxiliaire (9, 18, 19) d'un type différent de ladite première unité de broche de verrouillage auxiliaire (13, 17),
caractérisée en ce que
c) l'une au moins desdites premières unités de broche de verrouillage auxiliaire (13, 17) et l'une au moins desdites secondes unités de broche de verrouillage auxiliaire (9, 18, 19) sont toutes deux disposées sur le même côté dudit canal (3) à une distance axiale l'une de l'autre,
d) ladite seconde unité de broche de verrouillage auxiliaire (9, 18-19) comprenant un élément de verrouillage (9, 18) et une partie d'actionnement (9a, 19), ledit élément de verrouillage (9, 18) étant apte à être positionné entre une position de libération permettant la rotation dudit barillet (2) par rapport audit boîtier (1) et une position de verrouillage empêchant la rotation dudit barillet (2) par rapport audit boîtier (1),
e) ladite partie d'actionnement (9a, 19) faisant saillie dans ledit canal (3) sensiblement à ladite hauteur prédéterminée dudit canal (3) lorsque ledit élément de verrouillage (9, 18) est dans ladite position de libération à la fois lorsque la clé appropriée est retirée dudit canal et lorsque la clé appropriée est insérée dans ledit canal (3) et les encoches sur le même côté de celle-ci sautent ladite partie d'actionnement (9a, 19) de ladite seconde unité de broche auxiliaire (9, 18, 19)
f) ce par quoi, lorsque la clé appropriée est insérée dans ledit canal (3), une partie surélevée prévue sur le même côté de la clé appropriée vient en engagement avec ladite partie d'actionnement (15) de ladite première unité de verrouillage auxiliaire (13, 17) disposée sur le même côté du canal à une distance axiale de ladite seconde unité de broche de verrouillage auxiliaire (9, 18, 19), libérant ainsi ledit élément de verrouillage (17) de telle sorte que à la fois l'élément de verrouillage
(9) de la seconde unité de verrouillage auxiliaire et l'élément de verrouillage (17) de ladite première unité de verrouillage auxiliaire sur le même côté du canal (3) sont dans leur position de libération pour permettre la rotation dudit barillet (2)
g) ledit élément de verrouillage (9, 18) de ladite seconde unité de broche de verrouillage auxiliaire étant positionné dans sa position de verrouillage lorsqu'une partie surélevée longitudinale continue déceptive d'une première fausse clé vient en engagement avec ladite partie d'actionnement (9a, 19) de ladite seconde unité de verrouillage auxiliaire lorsque ladite première fausse clé est insérée dans ledit canal (3), et ledit élément de verrouillage (17) de ladite première unité de broche de verrouillage auxiliaire (13, 17), disposé du même côté dudit canal (3), étant positionné dans sa position libérée lorsque ladite partie surélevée latérale longitudinale déceptive de ladite première fausse clé vient en engagement avec ladite partie d'actionnement (15) dudit élément de verrouillage (17) sur le même côté du canal (3),
h) ce par quoi, seule ladite seconde unité de verrouillage auxiliaire (9, 18-19) empêchant la rotation dudit barillet lorsque ladite première fausse clé ayant des parties surélevées longitudinales continues déceptives en regard du même côté dudit canal (3) est insérée dans ledit canal (3),
k) ledit élément de verrouillage (9, 18) de ladite seconde unité de broche de verrouillage auxiliaire étant positionné dans sa position de libération lorsqu'une encoche latérale longitudinale continue déceptive d'une seconde fausse clé saute ladite partie d'actionnement (9a, 19) de ladite seconde unité de verrouillage auxiliaire, lorsque ladite seconde fausse clé est insérée dans ledit canal (3), et ledit élément de verrouillage (17) de ladite première unité de broche de verrouillage auxiliaire disposé sur le même côté dudit canal (3) à une distance axiale de ladite seconde unité de broche de verrouillage auxiliaire (9, 18-19) étant positionné dans sa position de verrouillage lorsque ladite encoche de ladite fausse clé saute ladite partie d'actionnement (15) dudit élément de verrouillage (17) disposée sur le même côté du canal (3),
I) ce par quoi, seule ladite première unité de broche de verrouillage auxiliaire (17, 13) empêchant la rotation dudit barillet (2) lorsque ladite seconde fausse clé possédant des encoches latérales longitudinales continues déceptives en regard du même côté du canal (3) est insérée dans ledit canal.
2. Serrure à cylindre selon la revendication 1, caractérisé en ce que ladite seconde unité de verrouillage auxiliaire comporte une broche cylindrique (9) disposée à coulissement dans un trou radial (5) du barillet (2) débouchant à une extrémité dans le canal de clé (3) et à l'extrémité opposée à la surface extérieure du barillet pourfaire face à une gorge longitudinale (7) pratiquée dans la paroi intérieure du boîtier (1), ladite broche possédant une extrémité coopérant avec la clé pour venir en contact de l'encoche de celle-ci lorsque la clé est introduite pour permettre une rotation libre du barillet par rapport au boîtier et une extrémité opposée pouvant s'engager dans ladite gorge longitudinale lorsqu'une fausse clé est introduite, pour bloquer ledit barillet sur ledit boîtier.
3. Serrure à cylindre selon la revendication 1, caractérisée en ce que ladite seconde unité de verrouillage auxiliaire comporte un trou radial (20) pratiqué dans ledit barillet (2) et possédant une extrémité débouchant à la surface extérieure du barillet pour faire face à une gorge longitudinale (7) ménagée dans la paroi intérieure du boîtier (1) et l'extrémité opposée débouchant dans un trou transversal (21) coupant ledit trou radial (20) et débouchant dans le canal de clé (3), une bille (18) logée de façon déplaçable dans ledit trou radial et une broche (19) guidée à coulissement dans ledit trou transversal (21) et poussée au moyen d'un ressort (25) dans une position normale dans laquelle une extrémité de la broche fait saillie dans le canal de clé, ladite broche possédant une gorge annulaire (23) tournée vers ledit trou radial pour recevoir ladite bille (18) lorsque la broche se trouve dans la disposition normale pour permettre une rotation libre du barillet par rapport au boîtier, ladite broche, lorsqu'une fausse clé est introduite dans le canal de clé poussant ladite bille pour l'engager dans ladite gorge longitudinale en vue de bloquer ledit barillet sur ledit boîtier.
EP85105836A 1984-05-17 1985-05-13 Serrure cylindrique antivol, spécialement pour systèmes avec passe-partout Expired - Lifetime EP0161654B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85105836T ATE51052T1 (de) 1984-05-17 1985-05-13 Diebstahlsicheres zylinderschloss, insbesondere fuer systeme mit haupt- und nebenschluesseln.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT03468/84A IT1179338B (it) 1984-05-17 1984-05-17 Serratura a cilindro con chiave piatta premunita contro i tentativi di effrazione e per la realizzazione di impianti a chiave maestra
IT346884 1984-05-17

Publications (4)

Publication Number Publication Date
EP0161654A2 EP0161654A2 (fr) 1985-11-21
EP0161654A3 EP0161654A3 (en) 1986-09-17
EP0161654B1 EP0161654B1 (fr) 1990-03-14
EP0161654B2 true EP0161654B2 (fr) 1994-06-22

Family

ID=11107941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85105836A Expired - Lifetime EP0161654B2 (fr) 1984-05-17 1985-05-13 Serrure cylindrique antivol, spécialement pour systèmes avec passe-partout

Country Status (5)

Country Link
EP (1) EP0161654B2 (fr)
AT (1) ATE51052T1 (fr)
DE (1) DE3576546D1 (fr)
ES (1) ES8607463A1 (fr)
IT (1) IT1179338B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8915107B2 (en) 2009-10-21 2014-12-23 Abus Pfaffenhain Gmbh Locking system

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5079936A (en) * 1989-03-31 1992-01-14 Folger Adam Company High security cylinder lock
JP2000515208A (ja) * 1996-01-08 2000-11-14 イコーン アクチエンゲゼルシャフト プレツィジオンステヒニク 錠シリンダ
US6526791B2 (en) * 2001-02-26 2003-03-04 Arrow Lock Manufacturing Company High security cylinder lock and key
DE102004021580B3 (de) 2004-05-03 2005-11-10 Wilka Schließtechnik GmbH Aus Schlüssel und Schließzylinder bestehende Schließvorrichtung
IL191855A0 (en) 2008-06-01 2009-02-11 Multi Key Ltd Rav Mafteah Ltd Key, lock and locking mechanism
US8261587B2 (en) 2008-06-05 2012-09-11 Asher Haviv Cylinder protective system
DE102014001883A1 (de) * 2014-02-10 2015-08-13 Assa Abloy Sicherheitstechnik Gmbh Schloss-Schlüssel-System
US11536047B1 (en) * 2022-08-22 2022-12-27 Winloc Ag Key plug, a cylinder lock, a cylinder lock and key combination and a method to manufacture a key plug
US11542724B1 (en) 2022-08-22 2023-01-03 Winloc Ag Key blank, a key, and a cylinder lock and key combination
US11613909B1 (en) 2022-08-22 2023-03-28 Winloc Ag Key blank, a coded key and a cylinder lock and key system with improved stop arrangement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1260340B (de) * 1963-12-18 1968-02-01 Winkhaus Fa August Zusaetzliche, einteilige Sperrglieder in einem Drehzylinderschloss ueblicher Bauart
AT371196B (de) * 1979-11-28 1983-06-10 Evva Werke Schloss mit einem zylinderkern und einem zylindergehaeuse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8915107B2 (en) 2009-10-21 2014-12-23 Abus Pfaffenhain Gmbh Locking system

Also Published As

Publication number Publication date
ATE51052T1 (de) 1990-03-15
EP0161654B1 (fr) 1990-03-14
IT1179338B (it) 1987-09-16
IT8403468A0 (it) 1984-05-17
DE3576546D1 (de) 1990-04-19
EP0161654A3 (en) 1986-09-17
ES8607463A1 (es) 1986-06-16
EP0161654A2 (fr) 1985-11-21
ES543902A0 (es) 1986-06-16

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