EP0902138A1 - Zylinderschloss und Schlüssel dafür - Google Patents

Zylinderschloss und Schlüssel dafür Download PDF

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Publication number
EP0902138A1
EP0902138A1 EP98402057A EP98402057A EP0902138A1 EP 0902138 A1 EP0902138 A1 EP 0902138A1 EP 98402057 A EP98402057 A EP 98402057A EP 98402057 A EP98402057 A EP 98402057A EP 0902138 A1 EP0902138 A1 EP 0902138A1
Authority
EP
European Patent Office
Prior art keywords
bit
key
rotor
outer rotor
axial
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
EP98402057A
Other languages
English (en)
French (fr)
Other versions
EP0902138B1 (de
Inventor
Philippe Gmyrek
Michel Dentin
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.)
Assa Abloy France SAS
Original Assignee
Laperche SA
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 Laperche SA filed Critical Laperche SA
Publication of EP0902138A1 publication Critical patent/EP0902138A1/de
Application granted granted Critical
Publication of EP0902138B1 publication Critical patent/EP0902138B1/de
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
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/10—Coupling devices for the two halves of double cylinder locks, e.g. devices for coupling the rotor with the locking cam
    • 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
    • E05B27/0032—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with both axially and radially arranged tumbler pins or balls
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/0065—Operating modes; Transformable to different operating modes
    • E05B63/0078—Operating modes; Transformable to different operating modes allowing opening with key from outside, even with key inserted from inside

Definitions

  • the present invention relates to lock cylinders and relates to more particularly to improving the safety of such cylinders with respect to screw break-ins by drilling and probing.
  • Unauthorized opening of locks fitted with cylinders in particular of flat-key cylinders is generally carried out after drilling the outer rotor of the cylinder or even probing the suit pushers and pins which are normally pushed back and aligned during insertion of the key in the corresponding rotor.
  • the invention aims to erect obstacles to drilling and probing a lock cylinder which, without preventing their realization, ensures a deceleration of their execution.
  • a lock cylinder comprising a stator, a outer rotor and an inner rotor mounted in the stator, an interposed bit between the outer rotor and the inner rotor and means for engaging the bit with the outer rotor or the inner rotor when inserting a key in the corresponding rotor
  • said clutch means comprising means for securing the bit in rotation with the inner rotor and for disconnection in rotation of the bit with respect to the external rotor in the absence of key in the outer rotor and of fastening in rotation of the bit with the outer rotor and release of the bit relative to the inner rotor, when the introduction of the key into the outer rotor, characterized in that said securing and detaching means are coded, actuable means by the key.
  • said clutch means comprise at least one axial locking pin in rotation of the bit with the inner rotor of the cylinder, said at least one axial pin being mounted axially displaceable in the inner rotor and its end being engaged under the action of an elastic return member in a hole in the bit and at least one axial pusher for securing the bit with the outer rotor and separation of the bit from to the inner rotor, mounted in the outer rotor and actuated by the introduction of the key in the outer rotor to push back the axial pin of the inner rotor against the elastic member out of the bit hole and substitute for it in it to secure the bit with the outer rotor.
  • the subject of the invention is also a key for a lock cylinder of the type defined above, characterized in that it comprises means intended for cooperate with the coded means for securing the bit in rotation with the outer rotor and of the bit release relative to the inner rotor during inserting the key into the outer rotor.
  • the key comprises at least one axial recess formed in the end of its rod, said axial recess being intended to cooperate by its bottom with a corresponding pusher mounted in the external rotor for axially displacing said pusher during the introduction of the key in said outer rotor.
  • the cylinder shown in Figure 1 has a body 1 for example made of brass, in which a first rotor 2 is rotatably mounted which will be considered like the outside rotor of the cylinder and intended to be mounted outside a door fitted with such a cylinder and a second rotor 3 which will be considered like the inner rotor.
  • the body 1 comprises a series of parallel channels 4 for sets of pins 5, pushers 6, springs 7 and plugs 8 which define in a conventional manner, the combination corresponding to the cutout 9 provided on the corresponding edge of the rod 10 of the key 11 for actuating said cylinder.
  • the stator 1 has a notch 12 in which a bit 13 is engaged.
  • Circlips 14 are intended to ensure the axial immobilization of the rotors 2 and 3 with respect to stator 1, by engagement in corresponding grooves 15 of said rotors and by abutment against the interior walls of the notch 12 as shown in particular in FIGS. 2 and 3.
  • axial pushers 18 In the axial channels 16 formed in the outer rotor 2, on the one hand and on the other side of the key passage 2a of this rotor, are arranged axial pushers 18 in each of which is provided an axial lateral recess 19.
  • a lateral finger 20 is engaged making projection in the key passage 2a to cooperate with the bottom of an axial recess corresponding 21 formed in the corresponding face of the end of the rod 10 of the key 11 for axially moving the corresponding pusher 18.
  • the inner rotor 3 are formed on either side of the passage key 3a of the axial passages 23 whose axes are aligned with the axes of the axial channels 16 of the outer rotor 2 and in which pins are mounted 24 having shoulder ends 25 of diameter corresponding to the diameter of the holes 17 made in the bit 13 in which are engaged the corresponding ends of the exterior 2 and interior 3 rotors.
  • the length of the shouldered ends 25 of the pins 24 is equal to the thickness of the web 26 of the bit 13 in which the holes 17 are formed.
  • the shoulder ends 25 of the axial pins 24 have a section corresponding to that of the pushers 18 mounted movable in the outer rotor 2.
  • this action causes the rotation to join outer rotor 2 with bit 13.
  • the outer rotor 2 comprises two pushers 18 associated with two axial pins 24 mounted in the rotor interior 3 as well as two holes 17 formed in the bit 13 and intended for receive either the ends 25 of the pins 24, or the ends of the pushers 18.
  • the number of pushers and associated axial pins may be different, in particular depending on the section of the rotor and the bit.
  • the axial pushers 18 comprise each a recess 19 in which a finger 20 is engaged for actuation pushers.
  • the pushers and the fingers are made in one piece with a shoulder on each pusher axial lateral projection, cooperating with a corresponding axial recess 19 of the key.
  • the cylinder according to the invention in addition to the classic combination of co-operating pins and pushers with the longitudinal cut of the key edge, an additional combination formed by the pushers 18 of the outer rotor actuated by recesses axial 21 formed at the end of the key, the depths of which can be variable to form a coded combination, said pushers 18, when are pushed back by the axial pins 24 of the inner rotor 3 not being engaged with the bit 13, so that the outer rotor 2 is disengaged by audit bit report 13.
  • bit 13 can not be effectively rotated that on condition of also finding the code formed by the pushers 18 and the axial recesses 21 of the corresponding key, failing which, the outer rotor 2, will be separated in rotation relative to the bit 13, and can not cause it.
  • the veil 26a of the bit 13 can advantageously have different thicknesses opposite the different pins 24a, 24b of the inner cylinder 3, the shouldered ends 25a, 25b of these pins then also having different lengths adapted to the corresponding thicknesses of the web.
  • the depth of the axial recesses 21 of the key and the position corresponding axial of the projection formed by each lateral finger 20 or by the shoulder with which each pusher 18 is provided can be variable. We this increases the number of possible coding combinations.
  • the axial pushers 18 mounted displaceable in the rotor exterior 2 are made of steel hard enough to form obstacles not negligible when drilling the outer rotor, making break-in even more difficult of such a cylinder.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
EP19980402057 1997-09-12 1998-08-13 Zylinderschloss und Schlüssel dafür Expired - Lifetime EP0902138B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9711403A FR2768454B1 (fr) 1997-09-12 1997-09-12 Cylindre de serrure et cle pour un tel cylindre
FR9711403 1997-09-12

Publications (2)

Publication Number Publication Date
EP0902138A1 true EP0902138A1 (de) 1999-03-17
EP0902138B1 EP0902138B1 (de) 2004-02-11

Family

ID=9511051

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980402057 Expired - Lifetime EP0902138B1 (de) 1997-09-12 1998-08-13 Zylinderschloss und Schlüssel dafür

Country Status (2)

Country Link
EP (1) EP0902138B1 (de)
FR (1) FR2768454B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2803323A1 (fr) * 1999-12-30 2001-07-06 Fontaine Sa Cylindre a double entree a ouverture d'urgence
DE102007000203A1 (de) * 2007-04-04 2008-10-09 Aug. Winkhaus Gmbh & Co. Kg Schließzylinder
EP2644809A1 (de) 2012-03-28 2013-10-02 Assa Abloy Aube Anjou Sicherheitszylinder mit Arretierungen und entsprechendem Schlüssel

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE478784C (de) * 1929-07-02 Zeiss Ikon A G Goerz Werk Zylinderschloss
FR2240995A1 (en) * 1973-08-17 1975-03-14 Zeiss Ikon Ag Door knob lock coupling - HAS TWO BEVELLED PINS SLIDING IN LOCK HOUSING AND IS SPRING BIASSED
CH636400A5 (en) * 1978-01-05 1983-05-31 Grundmann Gmbh Geb Rotary cylinder lock with radial spring-loaded tumbler pins and with axially displaceable sliding pins
AT371534B (de) * 1979-06-08 1983-07-11 Grundmann Gmbh Geb Doppelzylinderschloss
DE8702759U1 (de) * 1986-03-19 1987-07-09 EVVA-Werk Spezialerzeugung von Zylinder- und Sicherheitsschlössern Gesellschaft m.b.H. & Co. KG, Wien Doppelzylinderschloß
CH674873A5 (en) * 1985-06-20 1990-07-31 Bernhard Faude Lock with two coaxial cylinders - has spherical recess in cylinder(s) front face, extending up to outer locking pin
WO1997011244A1 (en) * 1995-09-18 1997-03-27 Brandt Greg N Cylinder lock and key

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE478784C (de) * 1929-07-02 Zeiss Ikon A G Goerz Werk Zylinderschloss
FR2240995A1 (en) * 1973-08-17 1975-03-14 Zeiss Ikon Ag Door knob lock coupling - HAS TWO BEVELLED PINS SLIDING IN LOCK HOUSING AND IS SPRING BIASSED
CH636400A5 (en) * 1978-01-05 1983-05-31 Grundmann Gmbh Geb Rotary cylinder lock with radial spring-loaded tumbler pins and with axially displaceable sliding pins
AT371534B (de) * 1979-06-08 1983-07-11 Grundmann Gmbh Geb Doppelzylinderschloss
CH674873A5 (en) * 1985-06-20 1990-07-31 Bernhard Faude Lock with two coaxial cylinders - has spherical recess in cylinder(s) front face, extending up to outer locking pin
DE8702759U1 (de) * 1986-03-19 1987-07-09 EVVA-Werk Spezialerzeugung von Zylinder- und Sicherheitsschlössern Gesellschaft m.b.H. & Co. KG, Wien Doppelzylinderschloß
WO1997011244A1 (en) * 1995-09-18 1997-03-27 Brandt Greg N Cylinder lock and key

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2803323A1 (fr) * 1999-12-30 2001-07-06 Fontaine Sa Cylindre a double entree a ouverture d'urgence
WO2001049960A1 (fr) * 1999-12-30 2001-07-12 Fontaine Sa Cylindre a double entree a ouverture d'urgence
DE102007000203A1 (de) * 2007-04-04 2008-10-09 Aug. Winkhaus Gmbh & Co. Kg Schließzylinder
EP2644809A1 (de) 2012-03-28 2013-10-02 Assa Abloy Aube Anjou Sicherheitszylinder mit Arretierungen und entsprechendem Schlüssel
FR2988760A1 (fr) * 2012-03-28 2013-10-04 Assa Abloy Aube Anjou Cylindre de securite a embrayeurs, et cle correspondante

Also Published As

Publication number Publication date
FR2768454A1 (fr) 1999-03-19
FR2768454B1 (fr) 1999-12-03
EP0902138B1 (de) 2004-02-11

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