EP0033261B1 - Perfectionnements aux serrures de sécurité à combinaisons - Google Patents

Perfectionnements aux serrures de sécurité à combinaisons Download PDF

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Publication number
EP0033261B1
EP0033261B1 EP81400056A EP81400056A EP0033261B1 EP 0033261 B1 EP0033261 B1 EP 0033261B1 EP 81400056 A EP81400056 A EP 81400056A EP 81400056 A EP81400056 A EP 81400056A EP 0033261 B1 EP0033261 B1 EP 0033261B1
Authority
EP
European Patent Office
Prior art keywords
bolt
key
lock according
lock
unlocking
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
Application number
EP81400056A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0033261A1 (fr
Inventor
Jacques Lewiner
Claude Hennion
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT81400056T priority Critical patent/ATE7525T1/de
Publication of EP0033261A1 publication Critical patent/EP0033261A1/fr
Application granted granted Critical
Publication of EP0033261B1 publication Critical patent/EP0033261B1/fr
Expired 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
    • E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
    • E05B49/002—Keys with mechanical characteristics, e.g. notches, perforations, opaque marks
    • E05B49/004—Keys with mechanical characteristics, e.g. notches, perforations, opaque marks actuating mechanical switches
    • 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
    • Y10T70/7051—Using a powered device [e.g., motor]
    • Y10T70/7062—Electrical type [e.g., solenoid]
    • Y10T70/7068—Actuated after correct combination recognized [e.g., numerical, alphabetical, or magnet[s] pattern]
    • Y10T70/7073—Including use of a key
    • Y10T70/7079—Key rotated [e.g., Eurocylinder]
    • 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
    • Y10T70/7051—Using a powered device [e.g., motor]
    • Y10T70/7062—Electrical type [e.g., solenoid]
    • Y10T70/7124—Retracted electrically only

Definitions

  • the invention relates to combination security locks intended to equip the doors of vaults, safes and other security enclosures, locks comprising at least one bolt suitable for cooperating with an appropriate strike and at least one barrel suitable for receiving a key rotary control.
  • said operating means are of a mechanical type and therefore consist of complicated, bulky, heavy, fragile and expensive systems.
  • the object of the invention is, above all, to make locks of the type in question such that they eliminate these drawbacks, that is to say that they are less bulky, less heavy, more economical and just as weak as those previously known.
  • the locks of the type in question according to the invention are essentially characterized in that the means used to exploit for the purpose of decoding the sequence of the stresses exerted over the summer are of an electrical type and comprise: at least two electromechanical transducers arranged and mounted so as to transform each into electrical signals of a given type the stresses of a given type exerted on the key; an electronic sensor suitable for comparing the sequence of signals of the different types generated by each actual sequence of stresses exerted on the key with a reference code stored in the lock; and electromechanical means for unlocking the bolt suitable for making the mechanical drive of this bolt possible when said sequence of signals corresponds to the reference code.
  • the invention includes, apart from these main provisions, certain other provisions which are preferably used at the same time and which will be more explicitly discussed below.
  • the illustrated security lock mounted on a door 1 itself pivoting about a vertical axis not shown, comprises at least one bolt 2 suitable for coagulating, for the closed position of the door, with a horizontal keeper 3 hollowed out opposite this bolt in the frame 4 or in a part integral with this frame.
  • the bolt 2 is integral with a vertical plate 5 known as a bolt holder, itself mounted in the door so as to be able to slide horizontally but not vertically.
  • the locking and unlocking maneuvers that is to say the controls for the horizontal movements of the bolt 2 are ensured by vertically moving the rod 6, said bolt occupying its extended, working, or “locked” position. which corresponds to the closing of the door when the rod 6 is in its extreme low position illustrated in solid lines in FIG. 1, and on the contrary its retracted position, rest, or "unlocked” corresponding to the opening of the door, when the rod is in its high position to which corresponds the light 9 shown in phantom in FIG. 1.
  • This hole can pass through the door if you want the lock to be operable on both sides of it.
  • each notch 14 is given a greater value the diameter of the pins 13 and / or the profile of at least the extreme tooth, of the rack, overlapped by the pins 13 is given for the fully locked state of the lock, a special shape with a thinned foot (see fig 2).
  • the rod 6 remains blocked vertically, either that a mechanical obstacle prevents its movements, or that a coupling system interposed between the key and said rod remains disengaged.
  • the opening code is displayed on the lock by exerting a sequence of angular stresses on the key. These stresses, which have identical amplitudes and forces, are exerted, one in a first direction A and the other in the opposite direction B: this sequence of stresses is for example composed of three, four or five trains or " “successive puffs each comprising a predetermined number (generally between 1 and 9) of stresses in the same direction, the directions of angular stresses making up successive trains being opposed step by step.
  • each of the stresses considered results in the actuation of an electromechanical transducer 16 or 17, actuation capable of generating an electrical pulse.
  • Each transducer 16 or 17 can be constituted in any desirable manner capable of transforming the movement of a mechanical part into an electrical pulse; it is for example a switch connected to an electrical supply circuit (switch involving in particular the cooperation of at least one conductive pad of the key with at least two conductive balls housed in radial bores of the barrel and stressed against the key by conductive springs, electrically connected to said circuit), or else from a device capable of exploiting, for the purpose of creating an electric pulse, variations in contact pressure (electromechanical transducer proper), or that of a capacity, whether or not equipped with an electret (case where the transducer can be designated as of an "electrostatic" type), or that of a magnetic circuit suitable in particular for generating a voltage by Hall effect (transducer electromagnetic), etc.
  • switch involving in particular the cooperation of at least one conductive pad of the key with at least two conductive balls housed in radial bores of the barrel and stressed against the key by conductive springs, electrically connected to said circuit
  • cam 18 which can be rotated by this key, that is to say angularly linked to the rotor of the lock, in particular by means of of three pinions 19, 20 and 21 taken in pairs.
  • the profile of the cam 18, visible in FIG. 3, is entirely convex and has the shape of a circle from which a crescent with shortened horns would have been removed.
  • the signal S is used to mechanically unlock the rod 6.
  • An electromagnet 32 is used for this purpose, the winding 33 of which is connected to the actuator 31 so that it can be excited by the signal S and the core 34 of which is constantly stressed horizontally by a spring 35 in the direction d 'a light 36 hollowed out in the rod 6.
  • a latch 37 is suspended from a rivet 38 planted in the rod so as to be able to be moved vertically relative to the latter and to be able to occupy either a low position for which it blocks the entry of the light 36, or a high position for which it releases this entry.
  • the latch 37 is then in its high relative position and rests on the core 34.
  • the production of the signal S results in to activate the electromagnet 32 and to move its core to the right in FIG. 5 by compressing the spring 35, and this enough to release the latch 37, which then falls by simple gravity and comes to occupy its low position between the core 34 and the light 36 (fig. 6).
  • the latch 27 comes to rest on the core, which interrupts its downward travel while the light 36 pursues its own until it reaches horizontally opposite the core: the latter then enters again and the system is reset, the rod being then blocked vertically.
  • this latch could be directly mounted on a tail secured to the bolt 2, in particular in the case where the lock does not include a rod.
  • an electric motor can be used, the rotor of which can be driven angularly in a well-defined direction when '' it is powered by an electrical impulse, this rotor carrying a radial arm 40 adapted to cooperate with a cleat 41 secured to a locking finger fulfilling the role of the core 34 above: this finger, always stressed in the direction of blocking of the rod 6 by the spring 35 above, is no longer then biased in the opposite direction by excitation of a winding such as 33, but by the thrusts of the arm 40 on its cleat 41.
  • the signal S does not command a mechanical unlocking of the bolt: it excites a clutch interposed on the kinematic chain of the members included between the rotary control key and the bolt, or more precisely between the rotary cylinder of the lock and the disc with pins, so as to mechanically link these different elements together, the normal state of said clutch, corresponding to the locked position of the lock, being its disengaged state for which the key turns "crazy" in the lock.
  • This clutch is advantageously provided at the level of the intermediate pinion 20 above, which is then composed of two identical elementary coaxial pinions integral respectively with two coupling members capable of being disengaged mutually when the lock is locked and on the contrary mutually engaged for the bolt maneuvers.
  • Neutralization means controllable on the initiative of the user when the lock is open, are provided for this purpose.
  • This second signal can be automatically generated by the return of the rod to its starting position, for example by closing an electrical contact: it is then easy to provide means, such as a simple switch mounted in series with said contact and accessible to the user only when the door is open, to temporarily prevent the production of the second signal.
  • a fitter 39 with a single arm 40 such as that shown diagrammatically in FIG. 5, capable of occupying two stable angular positions mutually offset by 180 degrees, and of rotating 180 degrees during each reception of an electric pulse: for one of these two positions, its arm 40 pushes back the cleat 41 so to release the locking finger 34 from the light 36 and to keep it thus released, while, for its other position, the arm 40 is retracted out of the path of the cleat 41, which again allows blocking.
  • the end of the arm 40 can be bevelled, as illustrated, so as to facilitate the escapements of this arm at the end of the driving phases of the cleat 41.
  • Said circuit further comprises unidirectional means 49, 50 suitable for protecting the assembly against an error in the direction of connection of the emergency power supply and means for protection against overvoltage such as a Zener diode 51, a spark gap, a varistor, diodes.
  • Means can also be provided for monitoring the state of the stack 43 and automatically triggering certain effects when its charge drops below a threshold considered to be insufficient: such an effect may be the neutralization of the bolt blocking means, so that the key holder remains able to open the door even when the battery is too old; another such effect, advantageously combined with the previous one, can be the triggering of a signal capable of alerting the user of the wear of the battery at the instant when the latter opens the door with his key.
  • the electrical power called by the decoding and unlocking systems above is extremely low: this is how, in the standby state, the electrical circuits generally sound a few microamps only under a few Volts, and that, during maneuvers decoding and unlocking, the electrical energy involved is generally much less than 0.05 joules.
  • the above lock is arranged in such a way that its reference code can be easily modified on the initiative of the owner of the key.
  • the memory 28 is chosen of a type such that its content of addressed numbers can be easily replaced by another, or is mounted in such a way that it can itself be easily replaced by another memory, when , of course, the door is open.
  • said memory can be constituted by modifiable contacts made using switches or coding wheels.
  • the memory is provided of a type such that its content can be electrically modified through a connector located in a part of the door, accessible only when the latter is open. .
  • the memory can be formed by an electronic assembly or by a network of conductive paths, resistors and / or diodes, each of these solutions being suitable for prior programming and mounting in the form of a plug-in housing such as those usually produced in the field of integrated circuits.
  • lock rotor and its control key are themselves established in relation to each other in a manner difficult to identify and imitate, as is well known in the field of locksmithing. .

Landscapes

  • Lock And Its Accessories (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Burglar Alarm Systems (AREA)
EP81400056A 1980-01-25 1981-01-16 Perfectionnements aux serrures de sécurité à combinaisons Expired EP0033261B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81400056T ATE7525T1 (de) 1980-01-25 1981-01-16 Kombinations-sicherheitsschloesser.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8001673A FR2474574A1 (fr) 1980-01-25 1980-01-25 Perfectionnements aux serrures de securite a combinaisons
FR8001673 1980-01-25

Publications (2)

Publication Number Publication Date
EP0033261A1 EP0033261A1 (fr) 1981-08-05
EP0033261B1 true EP0033261B1 (fr) 1984-05-16

Family

ID=9237893

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81400056A Expired EP0033261B1 (fr) 1980-01-25 1981-01-16 Perfectionnements aux serrures de sécurité à combinaisons

Country Status (6)

Country Link
US (1) US4340925A (enrdf_load_stackoverflow)
EP (1) EP0033261B1 (enrdf_load_stackoverflow)
AT (1) ATE7525T1 (enrdf_load_stackoverflow)
CA (1) CA1230234A (enrdf_load_stackoverflow)
DE (1) DE3163542D1 (enrdf_load_stackoverflow)
FR (1) FR2474574A1 (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2507411A1 (fr) * 1981-06-04 1982-12-10 Lewiner Jacques Perfectionnements aux dispositifs de verrouillage electronique a code
FR2561703B1 (fr) * 1984-03-23 1986-07-25 Genus Int Appareil d'acces a serrure et cle codee
US4848115A (en) * 1986-03-21 1989-07-18 Emhart Industries, Inc. Electronic locking system and key therefor
US4856310A (en) * 1987-04-29 1989-08-15 Raoul Parienti Electronic lock
IL96262A (en) * 1990-11-06 1994-02-27 Mul T Lock Ltd Vehicle anti-theft system
AT395998B (de) * 1991-09-09 1993-04-26 Grundmann Gmbh Geb Anordnung zur energie- und datenuebertragung
GB2273125B (en) * 1992-12-05 1995-06-21 Rover Group A vehicle security system
SE9302630L (sv) * 1993-08-13 1995-02-14 Scarinus Dev Ab Låsanordning
US5882136A (en) * 1997-07-18 1999-03-16 Safway Steel Products, Inc. End cap system for scaffolding planks
KR20020043525A (ko) * 2002-05-16 2002-06-10 엄장필 전자석 장치
TW200515843A (en) * 2003-10-27 2005-05-01 Benq Corp Electronic apparatus with module-locking device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3660729A (en) * 1971-01-11 1972-05-02 Bell Telephone Labor Inc Electronic combination lock system
US3979052A (en) * 1974-04-25 1976-09-07 United Technologies Corporation High security lock

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3749930A (en) * 1971-03-08 1973-07-31 B Roe Vehicle theft security system
US3889501A (en) * 1973-08-14 1975-06-17 Charles P Fort Combination electrical and mechanical lock system
US3941955A (en) * 1973-10-01 1976-03-02 Gerber Electronic Lock, Inc. Electric lock and key assembly
US4023161A (en) * 1975-06-03 1977-05-10 Makoto Sasaki Key device for producing binary codes
US4197524A (en) * 1978-12-29 1980-04-08 General Electric Company Tap-actuated lock and method of actuating the lock

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3660729A (en) * 1971-01-11 1972-05-02 Bell Telephone Labor Inc Electronic combination lock system
US3979052A (en) * 1974-04-25 1976-09-07 United Technologies Corporation High security lock

Also Published As

Publication number Publication date
EP0033261A1 (fr) 1981-08-05
FR2474574B1 (enrdf_load_stackoverflow) 1982-02-12
DE3163542D1 (en) 1984-06-20
US4340925A (en) 1982-07-20
ATE7525T1 (de) 1984-06-15
CA1230234A (en) 1987-12-15
FR2474574A1 (fr) 1981-07-31

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