EP0381546B1 - Lock with clutching means and a rotatable stator - Google Patents

Lock with clutching means and a rotatable stator Download PDF

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Publication number
EP0381546B1
EP0381546B1 EP19900400123 EP90400123A EP0381546B1 EP 0381546 B1 EP0381546 B1 EP 0381546B1 EP 19900400123 EP19900400123 EP 19900400123 EP 90400123 A EP90400123 A EP 90400123A EP 0381546 B1 EP0381546 B1 EP 0381546B1
Authority
EP
European Patent Office
Prior art keywords
lever
rotor
lock
finger
rotation
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
EP19900400123
Other languages
German (de)
French (fr)
Other versions
EP0381546A1 (en
Inventor
Patrick Leclerc
Louis Canard
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.)
Valeo Neiman SA
Original Assignee
Valeo Neiman 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 Valeo Neiman SA filed Critical Valeo Neiman SA
Publication of EP0381546A1 publication Critical patent/EP0381546A1/en
Application granted granted Critical
Publication of EP0381546B1 publication Critical patent/EP0381546B1/en
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
    • E05B17/00—Accessories in connection with locks
    • E05B17/04—Devices for coupling the turning cylinder of a single or a double cylinder lock with the bolt operating member
    • 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
    • Y10T70/7667—Operating elements, parts and adjuncts
    • Y10T70/7706—Operating connections
    • Y10T70/7712—Rollbacks
    • 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
    • Y10T70/7915—Tampering prevention or attack defeating
    • Y10T70/7949—Yielding or frangible connections

Definitions

  • the invention relates to a releasable lock of the type comprising a rotor controlled by a notched key to detach it from a stator, said stator being constituted by a socket rotatably mounted in a body and indexed elastically with respect to said body, said rotor controlling a finger. for driving a lock mechanism, said finger being held coaxial with the rotor and the sleeve in the event of simultaneous rotation of the rotor and the sleeve so as not to drive said lock mechanism.
  • the drive finger is made coaxial with the sleeve, and therefore with the rotor, during the rotation of the sleeve, or is then moved in translation to escape the lock mechanism.
  • the present invention therefore aims to provide a lock of the type described in the introduction which is of simpler construction and less bulky.
  • the lock according to the invention is characterized in that the drive finger is integral in rotation with a first lever articulated on a first eccentric axis secured in rotation with the sleeve, said finger being coaxial with the rotor and to the socket in the rest position, said finger passing through a second control lever of the lock articulated on a second eccentric axis integral in rotation with said body, the rotor comprising a pin for driving said first lever.
  • the first lever In normal operation, with the conforming key inserted into the rotor, the latter pivots relative to the socket which remains secured to the body by its indexing.
  • the first lever is driven in rotation around the first axis by the pin of the rotor and the drive finger, integral with the first lever, drives the second lever in rotation around the second axis, which drives the lock mechanism.
  • the sleeve pivots with the rotor, so that the first lever pivots with the sleeve and the drive finger remains coaxial with the sleeve and the rotor and does not drive the second lever .
  • the lock comprises a body 1 in which a journal or intermediate stator journals 2.
  • a rotor 3 is pivotally mounted coaxially in the casing 2.
  • a rocking lever or thresher 4 controls the lock mechanism (not shown).
  • a lever 5 is driven by a pin 6 of the rotor 3 and carries a drive finger 7 passing through an opening of the lever 4 and integral in rotation with said lever 5.
  • the lever 4 is pivotally mounted around an eccentric axis 8 integral in rotation of the body 1 and the lever 5 is pivotally mounted around an eccentric pin 9 integral in rotation with the sleeve 2.
  • Locking flakes 10 protrude from the rotor 3 to lock it relative to the socket 2 in the absence of a key or with a key not conforming to the code determined, conventionally, by windows in the glitter 10. When the compliant key is introduced, the flakes 10 are erased inside the rotor 3 which is thus separated from the socket 2.
  • the drive finger 7 is coaxial with the rotor 3 and the sleeve 2 which is indexed relative to the body 1 by an indexer 11 penetrating into a recess of the body 1 under the action a return spring 12.
  • the rotor 3 rotates the sleeve 2 ( Figure 3) by the flakes 10 which have not been erased in the rotor 3, l indexer 11 being compressed towards the inside of the sleeve 2 against the action of the spring 12.
  • the rotation of the sleeve 2 causes the lever 5 via the axis 9 and the stud 6 which has no relative movement relative to the lever 5.
  • the drive finger 7 of the lever 5 pivots integrally with the bushing 2, rotor 3 assembly, lever 5 remaining coaxial with the rotor 3, and with the sleeve 2. Therefore, the lever 4 is not driven and the lock mechanism is not actuated.
  • the sleeve 2 remains integral with the body 1 by the indexer 11 because the erasure of the flakes 10 has released the rotor 3 relative to the sleeve 2.
  • the stud 6 drives the lever 5 in rotation about the axis 9, so that the drive finger 7 rocks around this axis by driving the lever 4 which pivots around the axis 8 and actuates the lock mechanism.
  • a corresponding angular play can be provided between the stud 3 and the lever 5 or between the finger 7 and the lever 4.
  • the axes 9 and 8 are in line with one another in the rest position. If they are offset, it must be provided that the opening in the lever 4 through which the drive finger 7 is elongated radially.

Landscapes

  • Lock And Its Accessories (AREA)
  • Mechanical Control Devices (AREA)

Description

L'invention concerne une serrure débrayable du type comprenant un rotor commandé par une clé crantée pour le désolidariser d'un stator, ledit stator étant constitué par une douille montée rotative dans un corps et indexée élastiquement par rapport audit corps, ledit rotor commandant un doigt d'entraînement d'un mécanisme de serrure, ledit doigt étant maintenu coaxial au rotor et à la douille en cas de rotation simultanée du rotor et de la douille de manière à ne pas entraîner ledit mécanisme de serrure.The invention relates to a releasable lock of the type comprising a rotor controlled by a notched key to detach it from a stator, said stator being constituted by a socket rotatably mounted in a body and indexed elastically with respect to said body, said rotor controlling a finger. for driving a lock mechanism, said finger being held coaxial with the rotor and the sleeve in the event of simultaneous rotation of the rotor and the sleeve so as not to drive said lock mechanism.

Dans des serrures connues, le doigt d'entraînement est rendu coaxial à la douille, et donc au rotor, lors de la rotation de la douille, ou est alors déplacé en translation pour échapper au mécanisme de serrure.In known locks, the drive finger is made coaxial with the sleeve, and therefore with the rotor, during the rotation of the sleeve, or is then moved in translation to escape the lock mechanism.

Ces serrures connues, si elles présentent une grande sécurité contre les tentatives de fraude par palpage des organes de verrouillage rotor-stator (pistons ou paillettes), sont cependant de construction compliquées et encombrantes, du fait des mouvements que doit effectuer le doigt d'entraînement pour échapper au mécanisme de serrure à entraîner.These known locks, if they have great security against fraud attempts by probing the rotor-stator locking members (pistons or flakes), are however of complicated and bulky construction, due to the movements that the drive finger must perform to escape the lock mechanism to be driven.

La présente invention vise en conséquence à fournir une serrure du type décrit à l'introduction qui soit de construction plus simple et moins encombrante.The present invention therefore aims to provide a lock of the type described in the introduction which is of simpler construction and less bulky.

A cet effet, la serrure selon l'invention est caractérisée par le fait que le doigt d'entraînement est solidaire en rotation d'un premier levier articulé sur un premier axe excentré solidaire en rotation de la douille, ledit doigt étant coaxial au rotor et à la douille en position de repos, ledit doigt traversant un second levier de commande de la serrure articulé sur un second axe excentré solidaire en rotation dudit corps, le rotor comportant un téton d'entraînement dudit premier levier.To this end, the lock according to the invention is characterized in that the drive finger is integral in rotation with a first lever articulated on a first eccentric axis secured in rotation with the sleeve, said finger being coaxial with the rotor and to the socket in the rest position, said finger passing through a second control lever of the lock articulated on a second eccentric axis integral in rotation with said body, the rotor comprising a pin for driving said first lever.

En fonctionnement normal, avec la clé conforme introduite dans le rotor, celui-ci pivote par rapport à la douille qui reste solidaire du corps par son indexation. Le premier levier est entraîné en rotation autour du premier axe par le téton du rotor et le doigt d'entraînement, solidaire du premier levier, entraîne le second levier en rotation autour du second axe, ce qui entraîne le mécanisme de serrure.In normal operation, with the conforming key inserted into the rotor, the latter pivots relative to the socket which remains secured to the body by its indexing. The first lever is driven in rotation around the first axis by the pin of the rotor and the drive finger, integral with the first lever, drives the second lever in rotation around the second axis, which drives the lock mechanism.

Au contraire, en cas de tentative de fraude, la douille pivote avec le rotor, de sorte que le premier levier pivote avec la douille et que le doigt d'entraînement reste coaxial à la douille et au rotor et n'entraîne pas le second levier.On the contrary, in the event of an attempted fraud, the sleeve pivots with the rotor, so that the first lever pivots with the sleeve and the drive finger remains coaxial with the sleeve and the rotor and does not drive the second lever .

L'invention sera bien comprise à la lecture de la description suivante faite en se référant au dessin annexé dans lequel:

  • la figure 1 est une vue schématique en coupe axiale d'une serrure selon un exemple de réalisation de l'invention;
  • la figure 2 est une vue en coupe selon la ligne A-A de la figure 1, pour la position de repos de la serrure,
  • la figure 3 est analogue à la figure 2, après rotation au moyen d'une fausse clé ou d'un outil lors d'une tentative de fraude;
  • la figure 4 est analogue aux figures 2 et 3, après rotation au moyen de la clé crantée conforme de la serrure, et
  • la figure 5 est une vue en bout selon la flèche F de la figure 1, pour la position de la figure 4.
The invention will be clearly understood on reading the following description made with reference to the appended drawing in which:
  • Figure 1 is a schematic view in axial section of a lock according to an exemplary embodiment of the invention;
  • FIG. 2 is a sectional view along the line AA in FIG. 1, for the rest position of the lock,
  • Figure 3 is similar to Figure 2, after rotation by means of a false key or a tool during an attempted fraud;
  • FIG. 4 is analogous to FIGS. 2 and 3, after rotation by means of the conforming notched key of the lock, and
  • FIG. 5 is an end view according to the arrow F in FIG. 1, for the position of FIG. 4.

La serrure comprend un corps 1 dans lelquel tourillonne une douille ou stator intermédiaire 2. Un rotor 3 est monté pivotant coaxialement dans la douille 2. Un levier basculant ou batteuse 4 commande le mécanisme de serrure (non représenté). Un levier 5 est entraîné par un téton 6 du rotor 3 et porte un doigt d'entraînement 7 traversant une ouverture du levier 4 et solidaire en rotation dudit levier 5. Le levier 4 est monté pivotant autour d'un axe excentré 8 solidaire en rotation du corps 1 et le levier 5 est monté pivotant autour d'un axe excentré 9 solidaire en rotation de la douille 2.The lock comprises a body 1 in which a journal or intermediate stator journals 2. A rotor 3 is pivotally mounted coaxially in the casing 2. A rocking lever or thresher 4 controls the lock mechanism (not shown). A lever 5 is driven by a pin 6 of the rotor 3 and carries a drive finger 7 passing through an opening of the lever 4 and integral in rotation with said lever 5. The lever 4 is pivotally mounted around an eccentric axis 8 integral in rotation of the body 1 and the lever 5 is pivotally mounted around an eccentric pin 9 integral in rotation with the sleeve 2.

Des paillettes de verrouillage 10 font saillie hors du rotor 3 pour le verrouiller par rapport à la douille 2 en l'absence de clé ou avec une clé non conforme au code déterminé, de manière classique, par des fenêtres dans les paillettes 10. Lorsque la clé conforme est introduite, les paillettes 10 sont effacées à l'intérieur du rotor 3 qui est ainsi désolidarisé de la douille 2.Locking flakes 10 protrude from the rotor 3 to lock it relative to the socket 2 in the absence of a key or with a key not conforming to the code determined, conventionally, by windows in the glitter 10. When the compliant key is introduced, the flakes 10 are erased inside the rotor 3 which is thus separated from the socket 2.

En position de repos (figure 1 et 2), le doigt d'entraînement 7 est coaxial au rotor 3 et à la douille 2 qui est indexée par rapport au corps 1 par un indexeur 11 pénétrant dans un évidement du corps 1 sous l'action d'un ressort de rappel 12.In the rest position (FIGS. 1 and 2), the drive finger 7 is coaxial with the rotor 3 and the sleeve 2 which is indexed relative to the body 1 by an indexer 11 penetrating into a recess of the body 1 under the action a return spring 12.

Lors de l'introduction d'une fausse clé ou d'un outil dans le rotor 3, le rotor 3 entraîne en rotation la douille 2 (figure 3) par les paillettes 10 qui n'ont pas été effacées dans le rotor 3, l'indexeur 11 étant comprimé vers l'intérieur de la douille 2 contre l'action du ressort 12. La rotation de la douille 2 entraîne solidairement le levier 5 par l'intermédiaire de l'axe 9 et du téton 6 qui n'a pas de mouvement relatif par rapport au levier 5. Le doigt d'entrainement 7 du levier 5 pivote solidairement avec l'ensemble douille 2, rotor 3, levier 5 en restant coaxial au rotor 3, et à la douille 2. De ce fait, le levier 4 n'est pas entraîné et le mécanisme de serrure n'est pas actionné.When introducing a dummy key or a tool into the rotor 3, the rotor 3 rotates the sleeve 2 (Figure 3) by the flakes 10 which have not been erased in the rotor 3, l indexer 11 being compressed towards the inside of the sleeve 2 against the action of the spring 12. The rotation of the sleeve 2 causes the lever 5 via the axis 9 and the stud 6 which has no relative movement relative to the lever 5. The drive finger 7 of the lever 5 pivots integrally with the bushing 2, rotor 3 assembly, lever 5 remaining coaxial with the rotor 3, and with the sleeve 2. Therefore, the lever 4 is not driven and the lock mechanism is not actuated.

Au contraire, après introduction de la clé conforme et rotation (figures 4 et 5), la douille 2 reste solidaire du corps 1 par l'indexeur 11 car l'effacement des paillettes 10 a libéré le rotor 3 par rapport à la douille 2. Le téton 6 entraîne le levier 5 en rotation autour de l'axe 9, de sorte que le doigt d'entraînement 7 bascule autour de cet axe en entraînant le levier 4 qui pivote autour de l'axe 8 et actionne le mécanisme de serrure.On the contrary, after introduction of the conforming key and rotation (Figures 4 and 5), the sleeve 2 remains integral with the body 1 by the indexer 11 because the erasure of the flakes 10 has released the rotor 3 relative to the sleeve 2. The stud 6 drives the lever 5 in rotation about the axis 9, so that the drive finger 7 rocks around this axis by driving the lever 4 which pivots around the axis 8 and actuates the lock mechanism.

Si on souhaite que l'entraînement du levier 4 soit retardé après un certain angle de rotation du rotor 3, on peut prévoir un jeu angulaire correspondant entre le téton 3 et le levier 5 ou entre le doigt 7 et le levier 4.If it is desired that the drive of the lever 4 be delayed after a certain angle of rotation of the rotor 3, a corresponding angular play can be provided between the stud 3 and the lever 5 or between the finger 7 and the lever 4.

Comme c'est le cas dans l'exemple représenté au dessin, on prévoit que les axes 9 et 8 sont dans le prolongement l'un de l'autre en position de repos. S'ils sont décalés, on doit prévoir que l'ouverture dans le levier 4 que traverse le doigt d'entrainement 7 est allongée radialement.As in the example shown in the drawing, it is provided that the axes 9 and 8 are in line with one another in the rest position. If they are offset, it must be provided that the opening in the lever 4 through which the drive finger 7 is elongated radially.

Claims (5)

  1. A releasable lock of the type comprising a rotor (3) controlled by a key which is profiled so as to release a stator, the said stator comprising a barrel (2) which is mounted for rotation in a body (1) and which is indexed resiliently with respect to the said body (1), with the said rotor (3) controlling a driving finger (7) for actuating a lock mechanism, the said finger (7) being held in coaxial relationship with the rotor (3) and with the barrel (2) in the event of simultaneous rotation of the rotor (3) and barrel (2), so as not to actuate the said lock mechanism, characterised by the fact that the driving finger (7) is rotatable with a first lever (5) which is articulated on an eccentric first axis (9) rotatable with the barrel (2), the said finger (7) being coaxial with the rotor (3) and with the barrel (2) in a rest position, the said finger (7) extending through a second lever (4) which controls the lock, and which is articulated on a second eccentric axis (8) rotatable with the said body (1), the rotor (3) including a pin (6) for actuating the said first lever (5).
  2. A lock according to Claim 1, characterised by the fact that the first and second axes (9, 8) are aligned in the rest position.
  3. A lock according to Claim 1, characterised by the fact that the first and second axes (9, 8) are offset radially in the rest position, and the driving finger (4) passes through the second lever (4) via a radially elongated opening.
  4. A lock according to one of Claims 1 to 3, characterised by the fact that an angular clearance is defined between the pin (6) and the first lever (5).
  5. A lock according to one of Claims 1 to 3, characterised by the fact that an angular clearance is defined between the driving finger (7) and the second lever (4).
EP19900400123 1989-01-30 1990-01-17 Lock with clutching means and a rotatable stator Expired - Lifetime EP0381546B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8901101 1989-01-30
FR8901101A FR2642463B1 (en) 1989-01-30 1989-01-30 RELEASABLE LOCK WITH ROTATING STATOR

Publications (2)

Publication Number Publication Date
EP0381546A1 EP0381546A1 (en) 1990-08-08
EP0381546B1 true EP0381546B1 (en) 1993-05-19

Family

ID=9378235

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900400123 Expired - Lifetime EP0381546B1 (en) 1989-01-30 1990-01-17 Lock with clutching means and a rotatable stator

Country Status (5)

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US (1) US4936895A (en)
EP (1) EP0381546B1 (en)
DE (1) DE69001617T2 (en)
ES (1) ES2041148T3 (en)
FR (1) FR2642463B1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE465473B (en) * 1990-01-26 1991-09-16 Ferenc Moricz RETURN SAEKRA LAST, SPECIFICALLY DRIVING CARS
US5285667A (en) * 1990-11-30 1994-02-15 Alpha Corporation Cylinder lock
US5265453A (en) * 1990-11-30 1993-11-30 Alpha Corporation Cylinder lock
US5265454A (en) * 1991-11-19 1993-11-30 Eastern Company Combined lock and latch
JPH084378A (en) * 1993-11-30 1996-01-09 Tokai Rika Co Ltd Cylinder lock device
JP3298737B2 (en) * 1994-04-28 2002-07-08 株式会社アルファ Key cylinder automatic return device for cylinder lock device
FR2721646B1 (en) * 1994-06-24 1996-07-26 Valeo Securite Habitacle Disengageable mechanism for controlling a motor vehicle lock.
FR2721647B1 (en) * 1994-06-24 1996-07-26 Valeo Securite Habitacle Rotary lock comprising improved assembly means.
FR2731456B1 (en) * 1995-03-10 1997-04-04 Valeo Securite Habitacle RELEASABLE ROTOR LOCK AND STEERING LOCK OF MOTOR VEHICLE EQUIPPED WITH SUCH A LOCK
FR2740164B1 (en) 1995-10-18 1997-11-21 Valeo Securite Habitacle RELEASABLE ROTOR LOCK
FR2740163B1 (en) 1995-10-18 1997-11-21 Valeo Securite Habitacle RELEASABLE ROTOR TYPE LATCH
DE19639725A1 (en) * 1996-09-26 1998-04-02 Bayerische Motoren Werke Ag Lock with lock cylinder
US6058751A (en) * 1998-09-08 2000-05-09 Strattec Security Corporation Free-wheeling lock
US6523382B1 (en) 1998-09-08 2003-02-25 Strattec Security Corporation Free wheeling lock assembly
FR2798693B1 (en) * 1999-09-16 2001-11-23 Renault HIGH-STROKE LOCKING DEVICE FOR DOORS OF A MOTOR VEHICLE
US6564603B1 (en) * 2002-05-02 2003-05-20 O'neill Louis Security cam for a cylinder lock
US6711924B2 (en) * 2002-06-18 2004-03-30 Strattec Security Corporation Freewheeling lock apparatus and method
US6978645B2 (en) * 2003-06-23 2005-12-27 Strattec Security Corporation Freewheeling lock apparatus and method

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
US1876803A (en) * 1929-12-30 1932-09-13 Mehren Lock Co Inc Bolt operating mechanism for locks
US4347421A (en) * 1980-02-15 1982-08-31 Sumitomo Precision Products Company Limited Automatic pipe circumference welding apparatus
FR2558883B1 (en) * 1984-01-31 1987-02-27 Dupart Jean LOCK WITH ADDED SAFETY BLOCK, ARRANGED TO PREVENT ITS FRAUDULENT OPENING

Also Published As

Publication number Publication date
FR2642463A1 (en) 1990-08-03
US4936895A (en) 1990-06-26
FR2642463B1 (en) 1991-03-29
DE69001617D1 (en) 1993-06-24
ES2041148T3 (en) 1993-11-01
DE69001617T2 (en) 1993-09-09
EP0381546A1 (en) 1990-08-08

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