EP0161654A2 - 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
EP0161654A2
EP0161654A2 EP85105836A EP85105836A EP0161654A2 EP 0161654 A2 EP0161654 A2 EP 0161654A2 EP 85105836 A EP85105836 A EP 85105836A EP 85105836 A EP85105836 A EP 85105836A EP 0161654 A2 EP0161654 A2 EP 0161654A2
Authority
EP
European Patent Office
Prior art keywords
key
plug
pins
cylinder lock
auxiliary pins
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.)
Granted
Application number
EP85105836A
Other languages
German (de)
English (en)
Other versions
EP0161654B1 (fr
EP0161654B2 (fr
EP0161654A3 (en
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
Family has litigation
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(A2) "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-slave key

Definitions

  • This invention relates to a flat key cylinder look with anti-burglar features particularly for use with master key locking systems.
  • Locks of this type are known, for example, from German Patent No. 2003059, 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
  • 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.
  • a cylinder lock having a plug and auxiliary pins disposed in seats on the plug and controllable by key flanks to engage in recesses on an outer casing of said cylinder lock and inhibit rotation of said plug, each of said key flanks being adapted for cooperation with a respective set of auxiliary pins, each set comprising at least two pins, at least one thereof being adapted for engagement with at least one of said recesses on said outer casing, when a key inserted thereinto lacks a corresponding notch, adapted to receive at least one of said auxiliary pins over a sufficient distance to allow rotation of said plug, whilst at least one other of said auxiliary pins in said respective set of auxiliary pins cooperates with interference means adapted for engagement with at least one of said recesses on said outer casing to inhibit rotation of said plug when said key is removed and adapted for enabling rotation of the plug when the key is inserted.
  • 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 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 eaoh of it opposed ends configured as a spherical cap.
  • 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 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 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 push into the holes 10 the pins 13, thereby the ball cannot 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 positioned 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 auxiliary pins not only widen the range of key coding, but also compel any ill-intentioned person surriptitiously 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 With the proper key, the ball 18 will be facing the groove 23 and is free to move in the hole 20, disengaging from the recess y and allowing the plug 2 to be rotated.
  • the key has recesses wherein the pin 19 can fit too deeply or has no recesses, the ball 18 will remain in tangent contact with the periphery of the pin 19, while in engagement with the recess 17 and preventing the plug 2 from rotating.
  • 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)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Glass Compositions (AREA)
  • Seal Device For Vehicle (AREA)
  • Materials For Medical Uses (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
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 true EP0161654A2 (fr) 1985-11-21
EP0161654A3 EP0161654A3 (en) 1986-09-17
EP0161654B1 EP0161654B1 (fr) 1990-03-14
EP0161654B2 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 (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
WO1997025501A1 (fr) * 1996-01-08 1997-07-17 Ikon Aktiengesellschaft Barillet
WO2002068780A1 (fr) * 2001-02-26 2002-09-06 Arrow Lock Manufacturing Company Serrure a barillet et cle de haute securite
EP1593800A2 (fr) 2004-05-03 2005-11-09 WILKA SCHLIESSTECHNIK GmbH Dispositif de verrouillage comprenant une clé et une serrure cylindrique
WO2009147677A1 (fr) * 2008-06-05 2009-12-10 Aharon, Moshe Systeme de protection de cylindre
US8746025B2 (en) 2008-06-01 2014-06-10 Smarter Place Technologies Ltd. Key, lock and locking mechanism
EP2905403A3 (fr) * 2014-02-10 2016-01-27 ASSA ABLOY Sicherheitstechnik GmbH Système serrure-clé
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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009050129A1 (de) 2009-10-21 2011-04-28 Abus Pfaffenhain Gmbh Schließsystem

Citations (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
DE3014183A1 (de) * 1979-11-28 1981-06-04 Evva-Werk Spezialerzeugung von Zylinder- und Sicherheitsschlössern GmbH & Co KG, 1120 Wien Schloss mit einem zylinderkern und einem zylindergehaeuse

Patent Citations (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
DE3014183A1 (de) * 1979-11-28 1981-06-04 Evva-Werk Spezialerzeugung von Zylinder- und Sicherheitsschlössern GmbH & Co KG, 1120 Wien Schloss mit einem zylinderkern und einem zylindergehaeuse

Cited By (17)

* 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
WO1997025501A1 (fr) * 1996-01-08 1997-07-17 Ikon Aktiengesellschaft Barillet
WO2002068780A1 (fr) * 2001-02-26 2002-09-06 Arrow Lock Manufacturing Company Serrure a barillet et cle de haute securite
US6526791B2 (en) * 2001-02-26 2003-03-04 Arrow Lock Manufacturing Company High security cylinder lock and key
GB2387413A (en) * 2001-02-26 2003-10-15 Arrow Lock Mfg Company High security cylinder lock and key
GB2387413B (en) * 2001-02-26 2004-09-15 Arrow Lock Mfg Company High security cylinder lock and key
EP1593800A2 (fr) 2004-05-03 2005-11-09 WILKA SCHLIESSTECHNIK GmbH Dispositif de verrouillage comprenant une clé et une serrure cylindrique
DE102004021580B3 (de) * 2004-05-03 2005-11-10 Wilka Schließtechnik GmbH Aus Schlüssel und Schließzylinder bestehende Schließvorrichtung
US8746025B2 (en) 2008-06-01 2014-06-10 Smarter Place Technologies Ltd. Key, lock and locking mechanism
WO2009147677A1 (fr) * 2008-06-05 2009-12-10 Aharon, Moshe Systeme de protection de cylindre
US8261587B2 (en) 2008-06-05 2012-09-11 Asher Haviv Cylinder protective system
EP2905403A3 (fr) * 2014-02-10 2016-01-27 ASSA ABLOY Sicherheitstechnik GmbH Système serrure-clé
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
SE2350935A1 (en) * 2022-08-22 2024-02-23 Winloc Ag A key plug, a cylinder lock, a cylinder lock and key combination and a method to manufacture a key plug
WO2024041846A1 (fr) * 2022-08-22 2024-02-29 Winloc Ag Douille à clé, serrure à barillet, serrure à barillet et combinaison de clés et procédé de fabrication d'une douille à clé

Also Published As

Publication number Publication date
EP0161654B1 (fr) 1990-03-14
EP0161654B2 (fr) 1994-06-22
DE3576546D1 (de) 1990-04-19
IT1179338B (it) 1987-09-16
ES8607463A1 (es) 1986-06-16
ES543902A0 (es) 1986-06-16
EP0161654A3 (en) 1986-09-17
IT8403468A0 (it) 1984-05-17
ATE51052T1 (de) 1990-03-15

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