EP1851404B1 - Procede de fabrication d'un ensemble de verrou a barillet rotatif - Google Patents

Procede de fabrication d'un ensemble de verrou a barillet rotatif Download PDF

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Publication number
EP1851404B1
EP1851404B1 EP06707987.1A EP06707987A EP1851404B1 EP 1851404 B1 EP1851404 B1 EP 1851404B1 EP 06707987 A EP06707987 A EP 06707987A EP 1851404 B1 EP1851404 B1 EP 1851404B1
Authority
EP
European Patent Office
Prior art keywords
key
rotor
tumblers
tumbler
manufacturing
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.)
Active
Application number
EP06707987.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1851404A1 (fr
Inventor
Hervé VALEO SECURITE HABITACLE Calor
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.)
Minebea AccessSolutions France SAS
Original Assignee
U Shin France SAS
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Filing date
Publication date
Application filed by U Shin France SAS filed Critical U Shin France SAS
Publication of EP1851404A1 publication Critical patent/EP1851404A1/fr
Application granted granted Critical
Publication of EP1851404B1 publication Critical patent/EP1851404B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B29/00—Cylinder locks and other locks with plate tumblers which are set by pushing the key in
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0017—Key profiles
    • E05B19/0041—Key profiles characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key
    • E05B19/0052—Rectangular flat keys
    • E05B19/0058—Rectangular flat keys with key bits on at least one wide side surface of the key
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/50—Special application
    • Y10T70/5889—For automotive vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7441—Key
    • Y10T70/7486—Single key
    • Y10T70/7508—Tumbler type
    • Y10T70/7559—Cylinder type
    • Y10T70/7588—Rotary plug
    • Y10T70/7593—Sliding tumblers
    • Y10T70/7599—Transverse of plug

Definitions

  • the present invention relates to a rotary barrel lock, which is intended to be actuated via a key provided with a plurality of separate tracks.
  • the invention finds a particularly advantageous, but not exclusive, application in the field of lock mechanisms of motor vehicles.
  • a rotary barrel lock is schematically composed of a rotor rotatably mounted in axial rotation inside a stator, and locking means able to block the rotation in question.
  • the assembly is arranged so that the activation and / or deactivation of the locking means, as well as the rotational drive of the rotor, is performed using a key.
  • each flake is generally exerted between a locking position in which one end of the flake in question is nested at least partially in a locking housing formed in the stator, and an unlocked position in which said flake is integrated substantially completely. in the rotor.
  • each flake is commonly coupled to a resilient return means which permanently drives it into the locking position.
  • the assembly is also arranged so that the axial insertion of the key inside the rotor is able to cause the sliding of each flake from its locking position to its unlocked position.
  • the burglar resistance of a rotating barrel lock is directly related to the degree of sophistication of the key associated with it.
  • this resistance is a function of the number of tracks which are formed along the insert of the key in question and which are actually involved during the decoding of the flakes.
  • each straw between its locking position and its unlocked position is indeed conventionally generated by sliding a bearing surface of said straw along one of the tracks of the key when inserting the latter to inside the rotor. It is therefore understandable that the use of a maximum number of tracks makes it more complex to decode glitters, and consequently to complicate the task of any individual wishing to force such a lock.
  • a four-track key that is to say having four distinct active teeth, constitutes a solution that offers one of the best compromises in terms of structural simplicity and high level of security.
  • the flakes are divided into two groups that are located head to tail inside the rotor, and the associated elastic return means are arranged to move each group of flakes in parallel directions but in opposite directions.
  • the straws of the same group that is to say those which are driven in the same direction, are then able to cooperate with the two tracks of the key, which are respectively provided on both faces, in opposition to the driving direction of said flakes.
  • Such barrel locks and four-track keys are described inter alia in the documents DE 299 23 96 U1 and DE 299 22 264 U1 .
  • This type of latch with rotary drum and four-way key has the disadvantage of allowing only a relatively fixed distribution of flakes within the rotor, in that the different flakes may be implanted in the same housing guide will always cooperate with the same key track; only the height positioning of the support surface varies from one flake to another depending on the track profile selected for each key.
  • the document DE 100 05 136 A discloses a rotating barrel lock assembly comprising at least two types of flakes. The manufacturing process of this set is not disclosed.
  • the technical problem to be solved, by the object of the present invention is to propose a rotary barrel lock intended to be actuated by a multi-track key, said latch comprising a rotor mounted for axial rotation inside the rotor. a stator, as well as at least one flail movably mounted in displacement in a guide housing formed through the rotor, between a locking position blocking the axial rotation of said rotor and an unlocked position releasing said axial rotation, each flake being, on the one hand, coupled to an elastic return means which permanently drives it into the locking position, and on the other hand, able to be moved to the unlocked position by sliding along one of the tracks of the key during the complete insertion of said key inside the rotor, a lock which would make it possible to avoid the problems of the state of the art, in particular by offering a resistance to ef fraction significantly improved, without questioning the structure of the rotor and the stator for obvious reasons of costs.
  • each guide housing is able to receive indifferently two types of separate flakes, which are respectively able to cooperate with each of the two tracks of the key which are intended to extend in opposition to the driving force exerted by the associated elastic return means, when said key is inserted into the rotor.
  • the invention is perfectly applicable to any type of multi-track keys, regardless of the number and relative positioning of the tracks actually involved, and regardless of the orientation of each notch, it that is, internal or external.
  • each straw may be of any kind, provided that it is exerted between a locking position blocking the axial rotation of the rotor and an unlocked position releasing said axial rotation.
  • the driving force can be of any origin, and in particular a thrust force or a tensile force depending on the exact nature of the elastic return means used.
  • the invention as thus defined has the advantage of being able to really change the distribution of flakes within the same rotor, when the latter must be adapted to become compatible with a new key.
  • the principle consists, from one key to another, to change the contact points of the different flakes on the tracks of the key in question. In this sense, this principle can be likened to that of the rotating codes that are encountered in the computer field.
  • each guide housing can be equipped with the choice of two different types of flakes makes it possible to increase the number of possible combinations with a constant number of guide housings. This feature thus makes it much more difficult to read the key, and consequently the decoding glitter. But more generally, this obviously allows to increase also the resistance of the lock vis-à-vis the traditional techniques of crook type break-ins.
  • the figure 1 illustrates a rotary cylinder lock 1 which is intended to equip a locking / unlocking device of a motor vehicle door, and which is to be actuated by a key 100 provided with a four-track insert 105, 102, 103, 104, partially visible at the figure 2 .
  • the latch 1 is mainly composed of a rotor 10 mounted to rotate axially inside a stator 20.
  • the latch 1 comprises a plurality of flakes 31, 32, 33, 34 , 35, 36 which are responsible for immobilizing the rotation of the rotor 10 relative to the stator 20, when the key 100 is not inserted into the rotor 10.
  • the flakes in question 31, 32, 33, 34, 35, 36 have not been shown in this first figure, to further highlight the presence of guide housings 41, 42, 43, 44, 45, 46 formed through the rotor 10.
  • the rotor 10 constitutes the mobile part of the latch 1. It therefore supports the flakes 31, 32, 33, 34, 35, 36, it cooperates by interlocking with the insert 105 of the key 100 and is provided with a cover 12.
  • the stator 20 forms the fixed part of the latch 1. It plays with both a guiding support role and locking means for the rotor 10, and it is doomed in the present case to be fixed rigidly on the opening of the motor vehicle.
  • lever 200 which is responsible for mechanically controlling the locking or unlocking of the lock which is coupled to the latch 1.
  • the lever 200 is able to be rigidly secured to the end 11 of said rotor 10.
  • a spiral spring type 201 is conventionally provided.
  • the rotor 10 is able to be immobilized in rotation by six flakes 31, 32, 33, 34, 35, 36 mounted transversely sliding in six guide housings 41. , 42, 43, 44, 45, 46 formed through said rotor 10.
  • the mobility of each straw 31, 32, 33, 34, 35, 36 is exerted between a locking position ( figures 3 and 4 ) in which one of its ends 31a, 32a, 33a, 34a, 35a, 36a protrudes from the surface of the rotor 10 and is partially fitted into a locking housing provided inside the stator 20, and a position unlocked ( Figures 5 and 6 ) in which said straw 31, 32, 33, 34, 35, 36 is integrated substantially completely in the rotor 10.
  • each flake 31, 32, 33, 34, 35, 36 is coupled to an elastic return means 51, 52, 53, 54, 55, 56 which permanently drives it into the locking position.
  • the purpose is to guarantee the rotational locking of the rotor 10 relative to the stator 20 when the key 100 is not inserted into the lock 1.
  • the elastic return means 51 and 55 which are associated with the guide housings 41 and 45 and the flakes 31 and 35, have the same structural and functional characteristics as their counterparts here shown.
  • each elastic return means 51, 52, 53, 54, 55, 56 is constituted by a cylindrical compression spring which permanently exerts on the straw 31, 32, 33, 34 , 35, 36 which is associated with it, a longitudinal thrust force towards the locking position.
  • each straw 31, 32, 33, 34, 35, 36 between its locking position ( figures 3 and 4 ) and its unlocked position ( Figures 5 and 6 ) is performed here in a very classical way. It is in fact generated by sliding of a bearing surface 31b, 32b, 33b, 34b, 35b, 36b formed on the straw 31, 32, 33, 34, 35, 36, along one of the tracks 101, 102, 103, 104 of the key 100, during the translation of the insert 105 inside the rotor 10.
  • the assembly is arranged so that that the complete insertion of the insert 105 is able to drive each flake 31, 32, 33, 34, 35, 36 precisely in the unlocked position.
  • any latch 1 operable by means of a four-track key 100, 102, 103, 104 the flakes 31, 32, 33, 34, 35, 36 are divided into two groups which are located head-to-tail at the same time. Inner of the rotor 10.
  • the elastic return means 51, 52, 53, 54, 55, 56 associated with them are furthermore arranged in such a way as to drive each group of flakes 31, 32, 34, 35; 33, 36 in parallel directions but in opposite directions.
  • the flakes 31, 32, 34, 35; 33, 36 of the same group that is to say those which are driven in a common sense, are then able to cooperate with the two tracks 101, 102, 103, 104 which are respectively formed on both sides key 100, in opposition to the driving direction of said flakes 31, 32, 34, 35; 33, 36.
  • each guide housing 41, 42, 43, 44, 45, 46 is able to receive indifferently two types of separate flakes 31, 32, 33, 34, 35, 36, which are respectively able to cooperate with each of the two tracks 101, 103; 102, 104 of the key 100 which are intended to extend in opposition to the driving force exerted by the associated elastic return means 51, 52, 52, 54, 55, 56, when said key 100 is inserted in the rotor 10.
  • flakes 33 and 36 are part of the same group, since they are slidably driven in the same direction, in this case upwards. But within this group, flakes 33 and 36 belong to two different types of flake, since they are intended to cooperate with respectively the tracks 103 and 101 of the key 100.
  • Glitter 32 and 34 are part of another group, since they are slidably driven in another direction common, namely down. And within this second group, the flakes 32 and 34 belong to two different types of flakes, since they are dedicated to cooperate respectively with the tracks 102 and 104 of the key 100.
  • the flake 33 of the guide housing 43 ( figure 7 ) could be replaced by a straw similar to the flake 36 of the guide housing 46 ( figure 8 ), and vice versa.
  • the flake 32 of the guide housing 42 ( figure 9 ) could be exchanged with a straw similar to the flake 34 of the guide housing 44 ( figure 10 ), and vice versa.
  • the latch 1 is provided with at least four flakes 32, 33, 34, 36 which are able to cooperate with respectively each of the four tracks 101, 102, 103, 104 of the key 100.
  • all the elastic return means 51, 52, 53, 54, 55, 56 are implanted in the rotor 10 on the same side of the flakes 31, 32, 33, 34, 35, 36.
  • the latch 1 may also advantageously comprise substantially as many flakes 33, 36 driven in the locking position in a given direction, only flakes 31, 32, 34, 35 driven in the locking position in the opposite direction.
  • This feature allows anyway to ensure a certain homogeneity in the distribution of flakes 31, 32, 33, 34, 35, 36 arranged in the head-to-tail position, which optimizes the number of possible combinations.
  • locking / unlocking device means any mechanism essentially comprising a lock that is controlled by a latch.
  • locking / unlocking device for any opening of a motor vehicle.
  • the invention applies to any motor vehicle provided with at least one locking / unlocking device manufactured by the method according to the appended claims.
EP06707987.1A 2005-02-11 2006-02-02 Procede de fabrication d'un ensemble de verrou a barillet rotatif Active EP1851404B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0501447A FR2882081B1 (fr) 2005-02-11 2005-02-11 Verrou a barillet rotatif actionnable au moyen d'une cle a pistes multiples
PCT/EP2006/050626 WO2006084818A1 (fr) 2005-02-11 2006-02-02 Verrou a barillet rotatif actionnable au moyen d'une cle a pistes multiples

Publications (2)

Publication Number Publication Date
EP1851404A1 EP1851404A1 (fr) 2007-11-07
EP1851404B1 true EP1851404B1 (fr) 2016-11-23

Family

ID=35094555

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06707987.1A Active EP1851404B1 (fr) 2005-02-11 2006-02-02 Procede de fabrication d'un ensemble de verrou a barillet rotatif

Country Status (9)

Country Link
US (1) US20080178647A1 (pt)
EP (1) EP1851404B1 (pt)
JP (1) JP5031586B2 (pt)
KR (1) KR101254827B1 (pt)
CN (1) CN101137811B (pt)
BR (1) BRPI0608318B1 (pt)
FR (1) FR2882081B1 (pt)
MX (1) MX2007009761A (pt)
WO (1) WO2006084818A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2956690B1 (fr) * 2010-02-23 2014-03-14 Valeo Securite Habitacle Dispositif pour ouvrant de vehicule a demi-paillettes
FR2965003A1 (fr) * 2010-09-16 2012-03-23 Valeo Securite Habitacle Vehicule comprenant un verrou de verrouillage d'ouvrant
US8485005B2 (en) * 2011-02-25 2013-07-16 Handyway Co., Ltd. Computer lock
WO2015199477A1 (ko) * 2014-06-25 2015-12-30 나예룡 물품전달 시스템 및 방법
CN206513135U (zh) * 2016-12-15 2017-09-22 厦门美科安防科技有限公司 简化版子母叶片锁
EP3578742B1 (en) 2018-06-04 2021-03-03 U-Shin France Cylinder lock

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US2358164A (en) * 1941-08-18 1944-09-12 Mefina Sa Cylinder safety lock
DE202005010309U1 (de) * 2004-06-30 2005-11-24 Euro-Locks S.A. Rotor und Schlüssel für ein Schloss, mit einem solchen Rotor und solchen Schlüsseln ausgerüstetes Schloss und Verwendung von diesen
EP1815092A1 (en) * 2004-09-21 2007-08-08 Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho Key and lock

Also Published As

Publication number Publication date
FR2882081B1 (fr) 2007-05-04
BRPI0608318A2 (pt) 2011-01-04
CN101137811A (zh) 2008-03-05
US20080178647A1 (en) 2008-07-31
JP2008530399A (ja) 2008-08-07
MX2007009761A (es) 2007-08-20
BRPI0608318B1 (pt) 2017-05-09
KR101254827B1 (ko) 2013-04-15
EP1851404A1 (fr) 2007-11-07
WO2006084818A1 (fr) 2006-08-17
FR2882081A1 (fr) 2006-08-18
KR20070120097A (ko) 2007-12-21
CN101137811B (zh) 2012-11-07
JP5031586B2 (ja) 2012-09-19

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