EP3243979B1 - Schutzvorrichtung, insbesondere für ein schloss einer tür oder eines türflügels - Google Patents

Schutzvorrichtung, insbesondere für ein schloss einer tür oder eines türflügels Download PDF

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Publication number
EP3243979B1
EP3243979B1 EP17170448.9A EP17170448A EP3243979B1 EP 3243979 B1 EP3243979 B1 EP 3243979B1 EP 17170448 A EP17170448 A EP 17170448A EP 3243979 B1 EP3243979 B1 EP 3243979B1
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EP
European Patent Office
Prior art keywords
slider
lock
covering element
lock according
cylinder
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
EP17170448.9A
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English (en)
French (fr)
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EP3243979A1 (de
Inventor
Pier Luigi Oliana
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Individual
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Individual
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Publication of EP3243979A1 publication Critical patent/EP3243979A1/de
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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
    • E05B17/14—Closures or guards for keyholes
    • E05B17/18—Closures or guards for keyholes shaped as lids or slides
    • E05B17/186—Closures or guards for keyholes shaped as lids or slides sliding
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/14—Closures or guards for keyholes
    • E05B17/145—Closures or guards for keyholes with combination lock
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
    • E05B47/0042—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets with rotary magnet tumblers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
    • E05B47/0045—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets keys with permanent magnets

Definitions

  • the present invention relates to a lock of a door or door wing, for example a door for access to a home, or a gate, or a door of an armored cabinet, said lock comprising a protection device.
  • Locks are currently known which are suitable for example to allow the closing and reopening of a door or gate and comprise an adapted cylinder that can be actuated by means of an appropriate key which can be inserted in a keyhole provided axially with respect to said cylinder.
  • an adapted covering element constituted by a boss having a substantially circular plan shape which has, at the keyhole of the cylinder, a circular hole in which a keyhole protection disk is rotatably associated in which there is a slot adapted to allow the insertion of the key.
  • the boss therefore constitutes a protection for the cylinder and at the same time allows the insertion and rotation of the key in the keyhole of said cylinder.
  • Italian patent 1342717 filed as patent application no. TV2003A000115 dated August 7, 2003 , is known which discloses a protection device for the cylinder of a lock which comprises a plate, having an approximately rectangular plan shape, which can be fixed to a door so as to cover the lock and is provided, proximate to one of its ends, with an adapted opening for access to the cylinder of said lock.
  • Two adapted seats having a circular plan shape are provided on the front surface of the plate, which is directed away from the lock, and two substantially cylindrical cams are accommodated rotatably within said seats, two recesses having a semicircular profile being provided radially on the lateral surface of said cams; adapted first magnets are inserted in said cams.
  • a covering element is associated slidingly with the plate and can slide longitudinally thereto so as to conceal selectively, with one of its ends, the opening for access to the lock.
  • Said covering element is approximately C-shape, in a transverse cross-section, so as to form a substantially rectangular base which is arranged, during use, so as to face the front surface of the plate; two arms protrude from the longitudinal ends of said base, wrap around the lateral surfaces of the plate, and are coupled slidingly to them.
  • Two adapted grooves are provided on the surface of said arms that is directed toward the longitudinal surfaces of the plate, and in the condition in which the covering element completely conceals the lock access opening, the pins that protrude transversely from the lateral surfaces of the plate enter said grooves, so as to lock the mutual sliding between said plate and the covering element.
  • the release of the covering element is obtained by arranging in a complementarily shaped slot provided on the base thereof an adapted magnetic key, which contains adapted second magnets which are adapted to couple to this first magnets that are present in the cams, in order to cause the rotation of said cams to the condition in which the recesses provided therein face the channels that contain the pins.
  • the mutual interaction between the first magnets of the two cams causes a rotation thereof such as to misalign the recesses with respect to the ducts that contain the pins; the covering element is thus again locked in the closed condition.
  • Italian patent no. 01288200 is also known which discloses a safety device for the protection of the outer side of a closure system of doors or casings for entry, which comprises a fixed base element which is arranged and shaped so as to surround a cylinder of a lock, i.e., the hole for the key of the closure system.
  • a longitudinal seat with two parallel sides, is provided frontally to the base element, and a movable body is slidingly associated therein which can be moved between an active position, in which said movable body is arranged in front of the cylinder., i.e., in front of the lock keyhole, hiding it, and a passive condition, in which said movable body is spaced from the cylinder, i.e., from the lock hole, in order to allow access to the latter.
  • the device comprises a coded system for the locking/release of the movable body in the active position, which is constituted by coded rotating knobs, which are mounted on the movable body and each of which supports a locking/release disk, which is arranged on the internal face of the movable body, between the sides of the front seat of the base element; a hollow is provided, for each one of the disks, on said sides and is shaped partially complementarily, in plan view, with respect to the respective disk and is arranged so that when the movable body is in the active position each disc is arranged proximate to one of said hollows.
  • a coded system for the locking/release of the movable body in the active position which is constituted by coded rotating knobs, which are mounted on the movable body and each of which supports a locking/release disk, which is arranged on the internal face of the movable body, between the sides of the front seat of the base element; a hollow is provided, for each one of the disks, on said sides and is shaped
  • the disks further each have a lateral flattened region which can be arranged selectively, as a consequence of the rotation of the disk, at the respective hollow or not; with the movable body in the active position, when the flattened region of a disk is not at the hollow, said disk protrudes transversely from the movable body with its curved part, which thus arranges itself within the contiguous hollow, preventing the sliding of the movable body with respect to the base element and thus keeping said movable body in the active position.
  • the position of the coded knobs that allows to obtain the release of the movable body is not defined uniquely, since in order to obtain the release of the movable body it is sufficient for all the disks to be arranged with their flattened region partially contained in the hollow and directed away from the lock cylinder or hole for the key of the closure system; in this condition, which can be obtained with the coded knobs in various positions, by applying traction to the movable body in the direction for opening, the flattened region of the various disks in fact abuts against the edge of the respective hollow, causing the rotation of the respective disk to the condition in which the curved portion thereof exits completely from the hollow, thus freeing the sliding of the movable body.
  • this device of the known type has an additional drawback: as also noted previously, when the movable body is in the passive position the coded knobs are necessarily arranged so as to identify the opening combination; to prevent someone, in this condition, from reading this combination it is therefore necessary, after each use, to return the movable body to the passive condition and rotate the coded knobs in order to obtain the locking of said movable body, and this may be awkward.
  • a protection device particularly for a lock of a door or door wing, which comprises a covering element that is associated slidingly with a plate that can be fixed to said door or door wing and can be arranged selectively so as to close an opening, for access to said lock, which is provided in said plate, at least two pins being associated transversely with said plate and cooperating with cams which are associated rotatably within said plate and are adapted to block temporarily the sliding of said covering element with respect to said plate, characterized in that said cams interact with a magnet-based combination element which is adapted to modify the angular position of said cams in order to allow or prevent the temporary release between said pins and said covering element.
  • Italian patent application IT PN20140012 ( EP 2 913 461 A1 ) is also known which claims a device for protecting a lock which comprises a base body that is essentially cylindrical, can be associated with said lock and is provided with a first axial opening for the insertion of a cylinder of said lock, said first axial opening being arranged so as to be eccentric with respect to the center of said base body, a combination assembly which comprises magnetic means, a slider which can slide with respect to said base body between a locking position, in which said slider covers said first opening to prevent access, in use, to said cylinder, and a release position, in which said slider allows to access said first opening, the transition between said locking position and said release position and vice versa being actuatable by means of a magnetic actuator provided with a combination that is adapted to cooperate with said magnetic means of said combination assembly, characterized in that said slider is interposed between said base body and a protective boss, which can be coupled to said base body and is provided with a second through opening which is arranged eccentrically with respect to the center
  • Such a known type of flat plate is identified by the trademark Baton model T9032-P, in which there is, at the oval opening, a small plate provided with a keyhole protection disk for the insertion of the key in the cylinder.
  • the aim of the present invention is therefore to solve the described technical problems, eliminating the drawbacks of the cited background art and thus providing an invention that allows to protect effectively access to a lock if it is associated with a flat plate provided with a handle and on which an oval access opening for a cylinder is provided.
  • an object of the invention is to provide a lock comprising a protection device that allows to activate and deactivate the protection rapidly, easily and safely, avoiding possible malfunctions or accidental separations of the magnetic key during its activation.
  • a further object is to provide a lock comprising a protection device in which its functionality is maintained even if ill-intentioned individuals pour adhesives or other materials onto said invention.
  • Another object is to provide a lock comprising a protection device that is structurally simple and has modest manufacturing costs.
  • the reference numeral 1 designates a protection device 1, particularly for a lock 2 of a door or door wing such as, for example, the access door to a home, a gate, the door of an armored cabinet, the door of a safe (not shown).
  • a flat plate 3 is associated frontally with the door or door wing and is provided with a handle 4; on said plate there is an oval access opening 5 for a cylinder 6 provided frontally with a diametrical opening 7 that accommodates the insertion of the shank 8 of a key 9.
  • the protection device 1 comprises a covering element 10, which is shaped complementarily to the oval opening 5, is internally hollow and can be inserted from the inside toward the outside of the flat plate 3 so as to protrude beyond the front surface of the flat plate 3, its position being defined by the presence of an abutment ridge 11 that protrudes radially from its rear end 12 accommodated within the flat plate 3.
  • the covering element 10 has a circular front window 13, for access to the cylinder 2; a slider 14 is associated internally and slidingly therewith and is substantially cylindrical, with a diameter that is substantially equal to the diameter of the front window 13, and from which there protrudes, frontally and transversely proximate to its perimetric edge 15, in a region that is adjacent to and lies below the handle 4, a tab 16 with such dimensions as to protrude beyond the front window 11.
  • the tab 16 interacts selectively with a complementarily shaped temporary grip element, such as a seat 17 provided at a magnetic key 18.
  • the user can achieve the vertical movement of the slider 14 so as to render the front window 13 usable or not for subsequent insertion of the shank 8 of the key 9 within the opening 7 of the lock 2.
  • the slider 14 accommodates internally a combination element 19 with two or more magnets 20a, 20b, which can move integrally with the slider 14 itself and is adapted to allow/block temporarily the sliding of the slider 14 with respect to the covering element 10, in order to conceal temporarily the front window 13.
  • the combination element 19 is of the type shown for example in Italian patent no. 1342717 or in Italian patent application IT PN20140012 and is therefore composed preferably of two or more cams 21a, 21b, each of which accommodates magnetic means constituted by two or more pairs of magnets 20a, 20b, each pair having magnets of an opposite polarity, which however is opposite with respect to the polarity of the other pair; the rotation of the cams 21a, 21b allows or blocks the sliding of the slider 14 by means of appropriate locking means 22a, 22b which are controlled by the cams 21a, 21b.
  • the number of the cams provided in the slider 14 can vary as a function of specific requirements, such as the requirement of increasing the possible combinations as a consequence of the use of a chosen magnetic key 32.
  • the locking means 22a, 22b engage abutment means which are constituted by first grooves 23a, 23b provided on the mutually facing internal lateral surfaces 24a, 24b of the covering element 10, so as to stably lock the slider 14 in these positions.
  • the locking means 22a, 22b engage in additional abutment means constituted by second slots 23c, 23d provided on the mutually facing internal lateral surfaces 24a, 24b of the covering element 10, so as to stably lock the slider 14 in these positions.
  • the slider 14 is provided with a pair of seats 25a, 25b, which are essentially circular, are arranged so as to be mutually staggered, and are respectively adapted to accommodate rotatably the cams 21a, 21b.
  • the configuration of the magnets must be such that, in the extreme locking and release positions of the slider 14, a magnet contained in the cam 21a faces the magnet of opposite polarity contained in the cam 21b.
  • a notch 26a, 26b is provided on the circumference of each cam 21a, 21b.
  • a pair of washers 27a, 27b is provided advantageously in order to maintain and cover the cams 21a, 21b in the respective seats 25a, 25b.
  • Ducts 28a, 28b are provided on the respective sides within the thickness of the slider 14 and are arranged so as to be mutually axially offset and connected respectively to the seats 25a; 25b approximately at the respective transverse axes.
  • the ducts 28a, 28b are adapted to accommodate slidingly the means 22a, 22b for locking the sliding of the slider 14, which are constituted by T-shaped pins 29a, 29b, the sliding of which occurs in contrast with elastic means such as springs 30a, 30b in abutment against adapted abutments 31a, 31b in the ducts 28a, 28b.
  • lid 32 for the rear closure of the covering element 10 which allows to enclose inside it the various components, facilitating the sliding of the slider 14.
  • a transverse recess 34 that is adapted to facilitate the positioning of the shank 8 of the key 9.
  • the operation of the protection device is as follows: in the condition in which the door is closed with the protection device activated, and therefore with the slider 14 that covers from the inside the front window 13 in order to prevent access to the lock 2, the magnetic means 20a, 20b are arranged so that a magnet contained in the cam 21a faces the magnet of opposite polarity that is contained in the cam 21b.
  • the spring 30a pushes the head of the pin 29a into engagement with the groove 23a, while the opposite end of the pin 29a presses against the cylindrical wall of the cam 21b.
  • the spring 30b pushes the head of the pin 29b into engagement with the groove 23b, while the opposite end of the pin 29b presses against the cylindrical wall of the cam 21a.
  • the specific magnetic combination provided on the magnetic actuator 18 causes the misalignment of the magnetic means and therefore forces the rotation in the chosen direction of the cams 21a, 21b until the notches 26a, 26b are arranged at, and in alignment with, the pivots 29a, 29b, which are no longer subjected to the springs 30a, 30b.
  • the magnetic actuator 18 is removed and the slider 14 reaches the release position, as shown in Figure 8 ; removal of the magnetic actuator 18 causes the reverse rotation of the cams 21a, 21b, which return to the initial position and force the ends of the pins 29a, 29b to disengage from the respective notches 26a, 26b while their heads, under the action of the springs 30a, 30b, engage in the second grooves 23c, 23d.
  • the invention allows to activate and deactivate the protection rapidly, easily and safely, avoiding any malfunction or accidental separations of the magnetic key during its activation.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (9)

  1. Ein Schloss (2) einer Tür oder eines Türflügels, mit dem vorderseitig eine flache Platte (3) verbunden ist, welche mit einem Griff (4) bereitgestellt ist, und auf welcher eine ovale Zugriffsöffnung (5) für einen Zylinder (6) bereitgestellt ist, wobei das genannte Schloss (2), das eine Schutzvorrichtung (1) umfasst, die ein Verkleidungselement (10) umfasst, welches komplementär zu der genannten ovalen Öffnung (5) geformt ist und innen hohl ist, mit einem kreisförmigen Vorder-Zugangsfenster (13) für den genannte Zylinder (6) bereitgestellt ist, und mit dem ein Schieber (14) innen und verschiebbar assoziiert ist, wobei der genannte Schieber (14) außen mit einer temporären Grifflasche (16) für einen magnetischen Schlüssel (18) bereitgestellt ist und intern ein Kombinationselement (19) mit zwei oder mehr Nocken (21a, 21b) beherbergt, welches angepasst ist, um temporär das Verschieben des genannten Schiebers (14) zu erlauben/zu blockieren in Bezug auf das genannte Verkleidungselement (10), um zeitweise das genannte Vorderfenster (13) zu verbergen.
  2. Das Schloss gemäß Anspruch 1, dadurch gekennzeichnet, dass das genannte Verkleidungselement (10) von der Innenseite auswärts von der genannten flachen Platte (3) eingeschoben werden kann, um über die Vorderfläche der genannten flachen Platte (3) hinaus vorzustehen, wobei seine Position definiert ist durch das Vorhandensein einer Anschlagwulst (11), die radial von ihrer Rückseite (12), untergebracht innerhalb der flachen Platte (3), hervorsteht.
  3. Das Schloss gemäß Ansprüche 1 und 2, dadurch gekennzeichnet, dass das genannte Verkleidungselement (10) mit einem kreisförmigen Vorderfenster (13) bereitgestellt ist für den Zugang zu dem genannten Zylinder (6), wobei der genannte Schieber (14), der verschiebbar und innen damit verbunden ist, eine im Wesentlichen zylindrische Form hat mit einem Durchmesser, der im Wesentlichen gleich zu dem Durchmesser des genannten Vorderfensters (13) ist, von welchem er vorsteht, stirnseitig und quer nahe seiner Umfangskante (15) in einem Bereich, der angrenzend ist zu dem genannten Griff (4) und unter ihm liegt, ein Tab (16) mit solchen Abmessungen, um über das Vorderfenster (13) hinaus vorzustehen.
  4. Das Schloss gemäß Ansprüchen 1 und 3, dadurch gekennzeichnet, dass der genannte Tab (16) selektiv mit einem komplementär geformten temporären Griffelement, wie zum Beispiel einer Aufnahme (17) bereitgestellt an einem magnetischen Schlüssel (18) interagiert.
  5. Das Schloss gemäß Ansprüchen 1 und 4, dadurch gekennzeichnet, dass sobald der genannte magnetische Schlüssel (18) an den genannten Schieber (14) gekoppelt wurde und die genannte Aufnahme (17) an dem genannten Tab (16) positioniert wurde, dies die kombinierte vertikale Bewegung des genannten magnetischen Schlüssels (18) und des genannten Schiebers (14) bewirkt, um das genannte Vorderfenster für die nachfolgende Einführung des genannten Schlüssels (9) innerhalb des genannten Schlosses (2) nutzbar zu machen oder nicht (13).
  6. Das Schloss gemäß Ansprüchen 1 und 5, dadurch gekennzeichnet, dass der genannte Schieber (14) intern ein Kombinationselement (19) beherbergt, mit zwei oder mehreren Nocken (21a, 21b), bereitgestellt mit Magneten (20a, 20b), welche sich integral mit dem genannten Schieber (14) bewegen können, und angepasst ist, um das Schieben des genannten Schiebers (14) temporär zu erlauben/zu blockieren in Bezug auf das genannte Verkleidungselement (10), um das genannte Vorderfenster (13) zeitweise zu verbergen.
  7. Das Schloss gemäß einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es eine Abdeckung (32) für den rückseitigen Verschluss des genannten Abdeckelements (10) umfasst.
  8. Das Schloss gemäß Ansprüchen 1 und 7, dadurch gekennzeichnet, dass es an einer Kante (33) des genannten Schiebers (14), nahe zu dem Tab (16), eine quer verlaufende Aussparung (34) gibt, die angepasst ist, um die Positionierung eines Schafts (8) von einem Schlüssel (9) zu erleichtern.
  9. Das Schloss gemäß Ansprüchen 1 und 6, dadurch gekennzeichnet, dass in dem genannten Schieber (14) zwei oder mehrere Nocken (21a, 21b) sind, welche als Aufnahmen für die genannten zwei oder mehr Magnete (20a, 20b) wirken.
EP17170448.9A 2016-05-12 2017-05-10 Schutzvorrichtung, insbesondere für ein schloss einer tür oder eines türflügels Active EP3243979B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUA20163876 2016-05-12

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EP3243979A1 EP3243979A1 (de) 2017-11-15
EP3243979B1 true EP3243979B1 (de) 2019-02-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111636771A (zh) * 2020-06-08 2020-09-08 杭州米兔智能家居科技有限公司 智能锁钥匙孔保护装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108798285A (zh) * 2018-05-31 2018-11-13 清远德硕智能科技有限公司 一种可防液体渗透的智能电子密码锁
CN114059845B (zh) * 2021-11-23 2022-08-12 泉州思为工业设计有限公司 一种具有掩体的隐藏验证锁芯及其锁具、钥匙及锁具系统
ES2991117B2 (es) * 2023-05-26 2025-04-22 Hinojal Mikel Gorraiz Dispositivo de apertura de escudos magnéticos

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FR2677069B1 (fr) * 1991-05-31 1993-09-24 Ramblier Yves Dispositif de protection d'une serrure, destine a rendre inaccessible aux tiers l'orifice d'entree de la cle ou de la commande permettant l'ouverture et la fermeture de ladite serrure.
IT1288200B1 (it) 1996-02-29 1998-09-11 I C S A Di Talenti & Donati S Dispositivo di sicurezza per sistemi di chiusura
ITTV20030115A1 (it) 2003-08-07 2005-02-08 Disec Srl Struttura di protezione con chiavi magnetiche duplicabili.
ITVE20070070A1 (it) 2007-10-03 2009-04-04 Pier Luigi Oliana Struttura di dispositivo di protezione, particolarmente per una serratura di una porta o anta
ITTV20110069A1 (it) * 2011-05-20 2012-11-21 Pier Luigi Oliana Struttura di dispositivo di protezione, particolarmente per una serratura di una porta o anta.
EP2913461B1 (de) * 2014-02-28 2016-10-12 Pier Luigi Oliana Sicherheitsvorrichtung für ein zylinderschloss

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111636771A (zh) * 2020-06-08 2020-09-08 杭州米兔智能家居科技有限公司 智能锁钥匙孔保护装置

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