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EP3102760A1 - Antitheft device intended to be attached to an item on general sale - Google Patents

Antitheft device intended to be attached to an item on general sale

Info

Publication number
EP3102760A1
EP3102760A1 EP15705677.1A EP15705677A EP3102760A1 EP 3102760 A1 EP3102760 A1 EP 3102760A1 EP 15705677 A EP15705677 A EP 15705677A EP 3102760 A1 EP3102760 A1 EP 3102760A1
Authority
EP
European Patent Office
Prior art keywords
needle
free end
antitheft device
ring
cavity
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
EP15705677.1A
Other languages
German (de)
French (fr)
Other versions
EP3102760B1 (en
Inventor
Bruno Bouan
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.)
Fors France SAS
Original Assignee
Fors France SAS
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 Fors France SAS filed Critical Fors France SAS
Publication of EP3102760A1 publication Critical patent/EP3102760A1/en
Application granted granted Critical
Publication of EP3102760B1 publication Critical patent/EP3102760B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B73/00—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices
    • E05B73/0017—Anti-theft devices, e.g. tags or monitors, fixed to articles, e.g. clothes, and to be removed at the check-out of shops
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B67/00—Padlocks; Details thereof
    • E05B67/06—Shackles; Arrangement of the shackle
    • E05B67/08—Padlocks with shackles hinged on the case
    • E05B67/10—Padlocks with shackles hinged on the case with devices for securing the free end of the shackle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2428—Tag details
    • G08B13/2434—Tag housing and attachment details
    • 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
    • E05B2047/0093—Operating or controlling locks or other fastening devices by electric or magnetic means including means for preventing manipulation by external shocks, blows or the like
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B73/00—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices
    • E05B73/0017—Anti-theft devices, e.g. tags or monitors, fixed to articles, e.g. clothes, and to be removed at the check-out of shops
    • E05B73/0047—Unlocking tools; Decouplers
    • E05B73/0052—Unlocking tools; Decouplers of the magnetic type

Definitions

  • the present invention relates to the field of anti-theft devices intended to secure articles in free distribution. These devices are provided with a means interacting with a gantry equipping the exit areas outside the boxes, and triggering an alarm when a barge tries to leave the place of sale without paying the item to which the antitheft device is attached.
  • the cashier has an unlocker to remove the device of the article during the checkout.
  • the anti-theft devices are configured according to the geometry and nature of the article to be protected.
  • the present invention relates more particularly to anti-theft devices for protecting clothing articles such as shoes, articles having one or more holes in which part of the anti-theft device can be introduced. These include, for example, shoes, leather goods, fashion accessories, underwear, etc.
  • the device is then fixed in one of the eyelets of the article.
  • It relates to a lock and includes an actuated spring-driven rod that operates in a housing which is adapted to engage one end of a pivoting stirrup when inserted through an opening in the housing.
  • a key is provided for threaded engagement with the rod so that the rod is retracted to an inactive position when the key is rotated in a given direction.
  • Patent EP0615041 is also known, describing an anti-theft device for spectacles, of the type using an element capable of being fixed to the object to be protected, stall being carried out with a specific tool released by authorized persons, said member being constituted by a plate equipped with attachment means on a presentation support, and by a reinforced link, one end of which is fixed to said plate, said cross member forming, in the locking position, a closed loop of the clamping bridge of the frame of glasses.
  • the patents US2004 / 237267, US953556 and US1766784 present other solutions belonging to the technological background.
  • the lock mechanism is constituted by a magnetic latch from blocking or release a notch formed on the metal ring, as was already proposed in several previous solutions.
  • a thief can remove the device and thus counter the alarm devices provided in the store.
  • the present invention relates, in its most general sense, to an antitheft device according to claim 1.
  • the body is extended on one side of a median plane passing through the insertion cavity of the free end by a means for actuating said needle, and has on the opposite side a housing for receiving said end of said needle, the housing having locking means configured to allow a movement between a position in which said needle (14) is engaged in said light of the free end of the ring and a release position in which said needle (14) is disengaged from said free end to allow removal of the free end of the ring.
  • the housing comprises locking means configured to allow the release of said needle with the aid of an unlocker, to allow a movement between a position in which said needle is engaged in said light of the free end of the ring and a release position in which said needle is disengaged from said free end to allow removal of the free end of the ring.
  • said actuating means has at least one cage allowing the displacement of said needle between a retracted position where the tip of said needle does not exceed the inner surface of the receiving cavity of the free end, and an exit position where said needle is engaged in the complementary housing and passes through the complementary light provided in the free end of the ring.
  • the actuating means comprises a plurality of nested cages and a spring means for driving the needle into the retracted position at rest.
  • the said cages have a cylindrical shape, with a shoulder interacting with a complementary shoulder provided on the consecutive cage to limit movement to the retracted position.
  • the locking means is constituted by at least one ball driven by a spring towards the bottom of the housing for receiving the needle, said housing having a frustoconical shape intended to cause a jamming of the ball against the needle, said bile being able to interact with an unlocking means to oppose the action of said spring.
  • the needle has a bulge and in that the light provided in the free end has a section of "keyhole" for.
  • the body comprises means for pushing the ring in the open position.
  • said second portion is extended in the axis of the needle by a damper.
  • this damper is constituted by a piece (30) elastically deformable.
  • said damper is constituted by a movable part axially and damped by a spring.
  • FIG. 1 represents a front view of a device according to the invention in an open position
  • FIGS. 2 and 3 show sectional views of the closed device respectively in the unlocked position and in the locked position
  • Figure 1 shows a front view of a device according to the invention in the open position.
  • the device has the general shape of a padlock, with a body (1) and a ring (2) shaped "U", with two parallel branches (3, 4) connected by an arcuate zone (5).
  • the ring (2) can be formed by a metal rod with an oval or rectangular section, or preferably of round section.
  • the branch (3) is of round section and slides in a longitudinal cavity of complementary section to the section of the branch (3) and opening on one face (6) of the body (1) through an opening (7).
  • the body (1) contains, in a known manner, a means of interaction with an associated detector, for example a tuned antenna, an RFID tag, a transponder or any other equivalent means capable of interacting electromagnetically with complementary equipment. It can also contain an activated sound source in case of fraudulent passage in front of complementary equipment or remote activation by detection of attempted fraud.
  • the branch (3) is movable in translation and in rotation relative to the body (1), by sliding between the closed position and the retracted position of opening, represented in FIG. 1.
  • the ring (2) is pivotable relative to the longitudinal axis of the leg (3) and the body cavity (1), in a known manner, to provide a large insertion area on an object to protect.
  • the branch (4) is configured to penetrate into a complementary cavity provided in the body (1), parallel to the cavity in which the branch (3) moves.
  • the ring (2) can also interact with the body (1) by pivoting with respect to a transverse pivot or by a displacement along a circular arc in a curved cavity.
  • the free end of the leg (4) has a keyhole-shaped slot (8).
  • This light (8) has a first inner section (9) of width less than the width of a second outer section
  • the body still has a locking system
  • Figures 2 and 3 show sectional views of the device respectively in the unlocked position and in the locked position.
  • the locking system (11) comprises a needle (14) having, in the example described, a bulge (15).
  • the section of the needle (14) substantially corresponds to the first inner section (9) of the hole formed at the free end of the ring (2).
  • the section of the bulge (15) substantially corresponds to the first outer section (10) of the hole formed at the free end of the ring (2).
  • the needle (14) is pushed into the retracted position by a spring (16) shown in Figure 2 partially only.
  • This spring (16) abuts against an annular shoulder (17) provided at the head (18) of the needle (14).
  • This spring is supported on the opposite side on the bottom (19) of the locking system, and opening with an opening allowing the tip of the needle (14) to pass through the hole (8) passing through the free end of the branch (4) of the ring.
  • the needle (14) is enclosed in a set of three retractable and nested cages (22, 23, 24).
  • the first frustoconical cage (22) has the largest section. It is fixed and integral with the flange (19). It has an inner shoulder (25) reducing the section and delimiting a passage for the second frustoconical cage (23) having an outer shoulder (26) limiting the displacement and preventing the withdrawal of the second cage relative to the first cage (22) .
  • the second cage (23) also has an inner shoulder (27) reducing the section and defining a passage for a third frustoconical cage (24) having an outer shoulder (28) limiting the displacement and preventing the withdrawal of the third cage by compared to the second cage (23).
  • the bottom of the third cage (24) is closed by a bottom (30) constituting an inner abutment against which the head of the needle (14) abuts, and whose outer surface forms a bearing zone allowing the user to push the needle back to the locked position.
  • This receptacle (31) has a frustoconical housing (31) containing two balls (32, 33). These balls (32, 33) are pushed towards the bottom (36) of this conical housing (31) by a spring (35) bearing on the bottom of the receptacle (29). These balls come to block the displacement of the needle (14) by the jamming effect resulting from the radial component of the action of the balls (32, 33) on the inner wall of the frustoconical housing (31).
  • the balls (32, 33) are metallic and possibly magnetic.
  • an unlocker has a strong magnet or an electromagnet is brought near the bottom of the receptacle (29)
  • the magnetic force opposes the effect of the spring (35), which reduces the jamming effect of the needle (14) and allows to release the needle, and thus to unlock and open the device.
  • different solutions are proposed.
  • the first is to orient the longitudinal axis defined by the needle (14) and the receptacle (29) at an angle relative to the transverse plane of the device, for example an angle of 10 to 35 degrees relative to the perpendicular, so that a frontal impact does not intervene in the axis of movement of the balls (32, 33).
  • the bottom of the receptacle (29) is extended by a damped area.
  • This is, in the example illustrated in Figure 5, an additional piece elastically deformable, for example a rubber half-sphere (40).
  • FIG. 6 An alternative illustrated in Figure 6 is to provide in the bottom of the receptacle (29) a closed cage (41) in which rests the spring (35).
  • the needle (14) passes through the hole (8) passing through the free end of the branch (4) of the ring, it prevents the displacement of the ring relative to the body (1) of the device.
  • the ring (2) thus forms with the body (1) a closed loop preventing the withdrawal of the protected object.
  • the keyhole shape prevents the withdrawal of the needle in the rest position.
  • the bulge (15) has a section greater than that of the inner section of the keyhole.
  • the outer section (10) is in the axis of the needle (14). This section (10) allows the passage of the bulge (15) and thus the removal of the needle.
  • the position of the keyhole relative to the end of the free leg (4) is determined so that the outer section (10) is coaxial with the needle (14) when the ring (2) is completely pushed back into the body (1), and for the effect of an ejection spring branch (3) then pushes the ring so that the needle come into contact with the side of the keyhole lying on the side the free end of the branch (4).

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

Antitheft device intended to be attached to an item on general sale, comprising a ring (2), one of the ends of which is fixed to a rigid body (1) and the free other end of which is configured to allow it to be introduced into a complementary cavity formed in said rigid body (1), said body (1) comprising a mechanism for locking the free end in the body (1) when this free end is introduced into said cavity, said locking mechanism being made up of a needle (14) able to move at right angles to the direction in which said free end is introduced into said cavity, between a direction in which it passes through a complementary slot (8) formed in said free end, and a retracted position in which it leaves said free end free to move.

Description

DISPOSITIF ANTIVOL DESTINE A ETRE ATTACHE A UN ARTICLE EN  ANTI-THEFT DEVICE FOR ATTACHING TO AN ARTICLE IN
VENTE LIBRE  FREE SALE
Domaine de 1 ' invention Field of the invention
La présente invention concerne le domaine des dispositifs antivols destinés à sécuriser des articles en libre distribution. Ces dispositifs sont munis d'un moyen interagissant avec un portique équipant les zones de sorties en dehors des caisses, et déclenchant une alarme lorsqu'un chaland tente de sortir du lieu de vente sans avoir payer l'article auquel le dispositif antivol est fixé. The present invention relates to the field of anti-theft devices intended to secure articles in free distribution. These devices are provided with a means interacting with a gantry equipping the exit areas outside the boxes, and triggering an alarm when a barge tries to leave the place of sale without paying the item to which the antitheft device is attached.
La caissière dispose d'un déverrouilleur permettant de retirer le dispositif de l'article lors du passage en caisse . The cashier has an unlocker to remove the device of the article during the checkout.
Les dispositifs antivols sont configurés selon la géométrie et la nature de l'article à protéger. La présente invention concerne plus particulièrement des antivols destinés à protéger des articles vestimentaires tels que des chaussures, des articles présentant un ou plusieurs trous dans lequel on peut introduire une partie du dispositif antivol. II s'agit par exemple de chaussures, d'articles de maroquinerie, des accessoires de modes, des sous-vêtements, etc. Le dispositif vient alors se fixer dans un des oeillets de l'article. The anti-theft devices are configured according to the geometry and nature of the article to be protected. The present invention relates more particularly to anti-theft devices for protecting clothing articles such as shoes, articles having one or more holes in which part of the anti-theft device can be introduced. These include, for example, shoes, leather goods, fashion accessories, underwear, etc. The device is then fixed in one of the eyelets of the article.
Etat de la technique Pour ce type d'article, il est connu dans l'état de la technique de prévoir un antivol formé de deux parties articulées par une charnière, pour former une sorte de « macaron » en position fermée. L'une des parties présente une pointe pouvant traverser un trou de l'article, ou perforer un tissu. Cette pointe vient se loger dans une cavité prévue sur la partie complémentaire. Cette cavité comporte un système de verrouillage qui maintient fermement la pointe, lorsqu'elle est engagée dans la deuxième partie. Sa libération n'est possible qu'avec un déverrouilleur spécifique. Le document de l'état de la technique le plus proche est le brevet américain US1338605 déposé le 27 avril 1920 (Dl). State of the art For this type of article, it is known in the state of the art to provide a lock formed of two parts hinged to form a kind of "macaroon" in the closed position. One of the parts has a tip that can pass through a hole in the article, or perforate a tissue. This tip is housed in a cavity provided on the complementary part. This cavity has a locking system that firmly holds the tip, when engaged in the second part. Its release is only possible with a specific unlocker. The closest state of the art document is US Pat. No. 1,338,605 filed April 27, 1920 (D1).
Ce document ne concerne pas un dispositif antivol destiné à être attaché à un article en vente libre. Il ne semble d'ailleurs pas qu'en 1920 la notion de « vente libre » existait et donc à fortiori que le problème de lutte contre le vol d'articles en libre service existât. This document does not relate to an anti-theft device intended to be attached to an over-the-counter item. Moreover, it does not seem that in 1920 the notion of "free sale" existed and therefore a fortiori that the problem of the fight against the theft of self-service articles existed.
Il concerne une serrure et comprend une tige repoussée par un ressort actionné qui fonctionne dans un boîtier laquelle est adaptée pour engager une extrémité d'un étrier pivotant lorsqu'il est inséré à travers une ouverture dans le boîtier. Une clé est prévue pour un engagement fileté avec la tige de sorte que ce dernier est rétracté vers une position inactive lorsque la clé est tournée dans une direction donnée. It relates to a lock and includes an actuated spring-driven rod that operates in a housing which is adapted to engage one end of a pivoting stirrup when inserted through an opening in the housing. A key is provided for threaded engagement with the rod so that the rod is retracted to an inactive position when the key is rotated in a given direction.
On connaît aussi le brevet EP0615041 décrivant un dispositif antivol pour lunettes, du type utilisant un élément capable d'être fixé à l'objet à protéger, décrochage étant effectuée avec un outil spécifique libéré par des personnes autorisées, ledit organe étant constitué par un plaque équipé de moyens d'accrochage sur un support de présentation, et par un lien renforcé, l'une des extrémités duquel est fixé à ladite plaque, ladite traverse formant, dans la position de verrouillage, un boucle fermée du pont de serrage du cadre de lunettes. Les brevets US2004/237267 , US953556 et US1766784 présentent d'autres solutions appartenant à l'arrière-plan technologique . Patent EP0615041 is also known, describing an anti-theft device for spectacles, of the type using an element capable of being fixed to the object to be protected, stall being carried out with a specific tool released by authorized persons, said member being constituted by a plate equipped with attachment means on a presentation support, and by a reinforced link, one end of which is fixed to said plate, said cross member forming, in the locking position, a closed loop of the clamping bridge of the frame of glasses. The patents US2004 / 237267, US953556 and US1766784 present other solutions belonging to the technological background.
De manière connue, le mécanisme de serrure est constitué par un loquet magnétique venant bloquer ou libérer un cran formé sur l'anneau métallique, comme cela était déjà proposé dans plusieurs solutions antérieures. In known manner, the lock mechanism is constituted by a magnetic latch from blocking or release a notch formed on the metal ring, as was already proposed in several previous solutions.
Inconvénients des solutions de l'art antérieur Disadvantages of the solutions of the prior art
Ces solutions de l'art antérieur ne sont pas pleinement satisfaisantes. These solutions of the prior art are not fully satisfactory.
L'inconvénient de ces dispositifs est que le verrouillage par une masselotte est peu efficace pour des antivols de type « cadenas » car il est facile d'exercer un effort mécanique sur l'anneau métallique, par exemple avec un levier, pour forcer la libération du cran interagissant avec la masselotte. De plus, cette masselotte est mobile est repoussée en position de verrouillage par un ressort. Il suffit de donner un coup bien maîtrisé pour provoquer, par l'inertie de la masselotte, un désengagement transitoire permettant d'ouvrir de tels antivols. The disadvantage of these devices is that the locking by a flyweight is inefficient for padlock type locks because it is easy to exert a mechanical force on the metal ring, for example with a lever, to force the release notch interacting with the weight. In addition, this flyweight is movable is pushed into the locking position by a spring. It suffices to give a well controlled blow to provoke, by the inertia of the weight, a temporary disengagement allowing to open such locks.
Dans ce cas, un voleur peut retirer le dispositif et ainsi contrer les dispositifs d'alarme prévus dans le magasin . In this case, a thief can remove the device and thus counter the alarm devices provided in the store.
Solution apportée par l'invention Afin de remédier à ces inconvénients, la présente invention concerne selon son acception la plus générale un dispositif antivol conforme à la revendication 1. Solution Provided by the Invention In order to overcome these drawbacks, the present invention relates, in its most general sense, to an antitheft device according to claim 1.
De préférence, le corps est prolongé d'un coté d'un plan médian passant par la cavité d'introduction de l'extrémité libre par un moyen d ' actionnement de ladite aiguille, et présente du coté opposé un logement pour recevoir ladite l'extrémité de ladite aiguille, le logement comportant des moyens de verrouillage configurés pour permettre un débattement entre une position dans laquelle ladite aiguille (14) est engagée dans ladite lumière de l'extrémité libre de l'anneau et une position de libération dans laquelle ladite aiguille (14) est désengagée de ladite extrémité libre pour permettre le retrait de l'extrémité libre de l'anneau. Selon un mode de réalisation avantageux, le logement comporte des moyens de verrouillage configurés pour permettre la libération de ladite aiguille à l'aide d'un déverrouilleur , pour permettre un débattement entre une position dans laquelle ladite aiguille est engagée dans ladite lumière de l'extrémité libre de l'anneau et une position de libération dans laquelle ladite aiguille est désengagée de ladite extrémité libre pour permettre le retrait de l'extrémité libre de l'anneau. Preferably, the body is extended on one side of a median plane passing through the insertion cavity of the free end by a means for actuating said needle, and has on the opposite side a housing for receiving said end of said needle, the housing having locking means configured to allow a movement between a position in which said needle (14) is engaged in said light of the free end of the ring and a release position in which said needle (14) is disengaged from said free end to allow removal of the free end of the ring. According to an advantageous embodiment, the housing comprises locking means configured to allow the release of said needle with the aid of an unlocker, to allow a movement between a position in which said needle is engaged in said light of the free end of the ring and a release position in which said needle is disengaged from said free end to allow removal of the free end of the ring.
Avantageusement, ledit moyen d' actionnement présente au moins une cage permettant le déplacement de ladite aiguille entre une position escamotée où la pointe de ladite aiguille ne dépasse pas la surface intérieure de la cavité de réception de l'extrémité libre, et une position sortie où ladite aiguille est engagée dans le logement complémentaire et traverse la lumière complémentaire prévue dans l'extrémité libre de l'anneau. Advantageously, said actuating means has at least one cage allowing the displacement of said needle between a retracted position where the tip of said needle does not exceed the inner surface of the receiving cavity of the free end, and an exit position where said needle is engaged in the complementary housing and passes through the complementary light provided in the free end of the ring.
Selon une variante, le moyen d' actionnement comprend une pluralité de cages emboîtées et un moyen de ressort pour entraîner l'aiguille dans la position escamotée au repos . Alternatively, the actuating means comprises a plurality of nested cages and a spring means for driving the needle into the retracted position at rest.
Avantageusement, les dites cages présentent une forme cylindrique, avec un épaulement interagissant avec un épaulement complémentaire prévu sur la cage consécutive pour limiter le déplacement vers la position escamotée. Advantageously, the said cages have a cylindrical shape, with a shoulder interacting with a complementary shoulder provided on the consecutive cage to limit movement to the retracted position.
De préférence, le moyen de verrouillage est constitué par au moins une bille repoussée par un ressort vers le fond du logement destiné à recevoir l'aiguille, ledit logement présentant une forme tronconique destiné à provoquer un coincement de la bille contre l'aiguille, ladite bile étant apte à interagir avec un moyen de déverrouillage pour s'opposer à l'action dudit ressort. Selon un mode de réalisation avantageux, l'aiguille présente un renflement et en ce que la lumière prévue dans l'extrémité libre présente une section en for de «trou de serrure » . Preferably, the locking means is constituted by at least one ball driven by a spring towards the bottom of the housing for receiving the needle, said housing having a frustoconical shape intended to cause a jamming of the ball against the needle, said bile being able to interact with an unlocking means to oppose the action of said spring. According to an advantageous embodiment, the needle has a bulge and in that the light provided in the free end has a section of "keyhole" for.
Selon une variante, le corps comporte un moyen pour repousser l'anneau en position d'ouverture. According to a variant, the body comprises means for pushing the ring in the open position.
Selon une autre variante, ladite deuxième partie est prolongée dans l'axe de l'aiguille par un amortisseur. According to another variant, said second portion is extended in the axis of the needle by a damper.
Avantageusement, cet amortisseur est constitué par une pièce (30) déformable élastiquement . Selon une alternative, ledit amortisseur est constitué par une pièce mobile axialement et amortie par un ressort . Advantageously, this damper is constituted by a piece (30) elastically deformable. According to an alternative, said damper is constituted by a movable part axially and damped by a spring.
Description détaillée d'un exemple non limitatif de réalisation de l'invention L'invention sera mieux comprise à la lecture de la description qui suit, se référant aux dessins annexés concernant des exemples non limitatif de réalisation où : DETAILED DESCRIPTION OF A BRIEF EXEMPLARY EMBODIMENT OF THE INVENTION The invention will be better understood on reading the description which follows, with reference to the appended drawings relating to nonlimiting examples of embodiment in which:
- La figure 1 représente une vue de face d'un dispositif selon l'invention en position ouverte - les figures 2 et 3 représentent des vues en coupe du dispositif fermé respectivement en position déverrouillée et en position verrouillées FIG. 1 represents a front view of a device according to the invention in an open position FIGS. 2 and 3 show sectional views of the closed device respectively in the unlocked position and in the locked position
- les figures 4 et 5 représentent deux variantes de réalisation du système de verrouillage. - Figures 4 and 5 show two embodiments of the locking system.
La figure 1 représente une vue de face d'un dispositif selon l'invention en position ouverte. Figure 1 shows a front view of a device according to the invention in the open position.
Le dispositif présente la forme générale d'un cadenas, avec un corps (1) et un anneau (2) en forme de « U », avec deux branches parallèles (3, 4) reliées par une zone arquée (5). L'anneau (2) peut être formé par une tige métallique à section ovale ou rectangulaire, ou de préférence de section ronde. Dans l'exemple décrit la branche (3) est de section ronde et coulisse dans une cavité longitudinale de section complémentaire à la section de la branche (3) et débouchant sur une face ( 6 ) du corps ( 1 ) par une ouverture ( 7 ) . Le corps ( 1 ) contient de manière connue un moyen d'interaction avec un détecteur associé, par exemple une antenne accordée, une étiquette RFID, un transpondeur ou tout autre moyen équivalent susceptible d' interagir électromagnétiquement avec un équipement complémentaire. Il peut également contenir une source sonore activée en cas de passage frauduleux devant un équipement complémentaire ou d'activation à distance par une détection de tentative de fraude. The device has the general shape of a padlock, with a body (1) and a ring (2) shaped "U", with two parallel branches (3, 4) connected by an arcuate zone (5). The ring (2) can be formed by a metal rod with an oval or rectangular section, or preferably of round section. In the example described, the branch (3) is of round section and slides in a longitudinal cavity of complementary section to the section of the branch (3) and opening on one face (6) of the body (1) through an opening (7). ). The body (1) contains, in a known manner, a means of interaction with an associated detector, for example a tuned antenna, an RFID tag, a transponder or any other equivalent means capable of interacting electromagnetically with complementary equipment. It can also contain an activated sound source in case of fraudulent passage in front of complementary equipment or remote activation by detection of attempted fraud.
La branche (3) est mobile en translation et en rotation par rapport au corps (1), par coulissement entre la position fermée et la position escamotée d'ouverture, représentée en figure 1. Dans cette position, l'anneau (2) est pivotable par rapport à l'axe longitudinal de la branche (3) et de la cavité du corps (1), de manière connue, pour offrir une large zone d'insertion sur un objet à protéger. La branche (4) est configurée pour pénétrer dans une cavité complémentaire prévue dans le corps (1), parallèle à la cavité dans laquelle se déplace la branche (3). Cet réalisation constitue un simple exemple, l'anneau (2) pouvant aussi interagir avec le corps (1) par pivotement par rapport à un pivot transversal ou par un déplacement selon un arc de cercle dans une cavité courbe. The branch (3) is movable in translation and in rotation relative to the body (1), by sliding between the closed position and the retracted position of opening, represented in FIG. 1. In this position, the ring (2) is pivotable relative to the longitudinal axis of the leg (3) and the body cavity (1), in a known manner, to provide a large insertion area on an object to protect. The branch (4) is configured to penetrate into a complementary cavity provided in the body (1), parallel to the cavity in which the branch (3) moves. This embodiment is a simple example, the ring (2) can also interact with the body (1) by pivoting with respect to a transverse pivot or by a displacement along a circular arc in a curved cavity.
L'extrémité libre de la branche (4) présente une lumière (8) en forme de trou de serrure. Cette lumière (8) présente une première section intérieure (9) de largeur inférieure à la largeur d'une deuxième section extérieureThe free end of the leg (4) has a keyhole-shaped slot (8). This light (8) has a first inner section (9) of width less than the width of a second outer section
(10) . Le corps comporte encore un système de verrouillage(10). The body still has a locking system
(11) décrit plus en détail dans ce qui suit. (11) described in more detail in the following.
Les figures 2 et 3 représentent des vues en coupe du dispositif respectivement en position déverrouillée et en position verrouillée. Figures 2 and 3 show sectional views of the device respectively in the unlocked position and in the locked position.
Le système de verrouillage (11) comprend une aiguille (14) métallique présentant, dans l'exemple décrit, un renflement (15). La section de l'aiguille (14) correspond sensiblement à la première section intérieure (9) du trou formé à l'extrémité libre de l'anneau (2). La section du renflement (15) correspond sensiblement à la première section extérieure (10) du trou formé à l'extrémité libre de l'anneau (2). En position déverrouillée, l'aiguille (14) est repoussée en position escamotée par un ressort (16) représenté sur la figure 2 partiellement seulement. Ce ressort (16) vient en appui contre un épaulement annulaire (17) prévu au niveau de la tête (18) de l'aiguille (14). Ce ressort s'appuie du coté opposé sur la fond (19) du système de verrouillage, et s 'ouvrant par une ouverture permettant à la pointe de l'aiguille (14) de traverser le trou (8) traversant l'extrémité libre de la branche (4) de l'anneau. The locking system (11) comprises a needle (14) having, in the example described, a bulge (15). The section of the needle (14) substantially corresponds to the first inner section (9) of the hole formed at the free end of the ring (2). The section of the bulge (15) substantially corresponds to the first outer section (10) of the hole formed at the free end of the ring (2). In the unlocked position, the needle (14) is pushed into the retracted position by a spring (16) shown in Figure 2 partially only. This spring (16) abuts against an annular shoulder (17) provided at the head (18) of the needle (14). This spring is supported on the opposite side on the bottom (19) of the locking system, and opening with an opening allowing the tip of the needle (14) to pass through the hole (8) passing through the free end of the branch (4) of the ring.
L'aiguille (14) est enfermée dans un ensemble de trois cages (22, 23, 24) escamotables et emboîtées. La première cage tronconique (22) présente la plus grande section. Elle est fixe et solidaire de la flasque (19). Elle présente un épaulement intérieur (25) réduisant la section et délimitant un passage pour la deuxième cage tronconique (23) présentant un épaulement extérieur (26) limitant le déplacement et empêchant le retrait de la deuxième cage par rapport à la première cage (22). The needle (14) is enclosed in a set of three retractable and nested cages (22, 23, 24). The first frustoconical cage (22) has the largest section. It is fixed and integral with the flange (19). It has an inner shoulder (25) reducing the section and delimiting a passage for the second frustoconical cage (23) having an outer shoulder (26) limiting the displacement and preventing the withdrawal of the second cage relative to the first cage (22) .
La deuxième cage (23) présente également un épaulement intérieur (27) réduisant la section et délimitant un passage pour d'une troisième cage tronconique (24) présentant un épaulement extérieur (28) limitant le déplacement et empêchant le retrait de la troisième cage par rapport à la deuxième cage (23). Le fond de la troisième cage (24) est fermée par un fond (30) constituant une butée intérieure contre laquelle vient s'appuyer la tête de l'aiguille (14), et dont la surface extérieure forme une zone d'appui permettant à l'utilisateur de repousser l'aiguille en position verrouillée. The second cage (23) also has an inner shoulder (27) reducing the section and defining a passage for a third frustoconical cage (24) having an outer shoulder (28) limiting the displacement and preventing the withdrawal of the third cage by compared to the second cage (23). The bottom of the third cage (24) is closed by a bottom (30) constituting an inner abutment against which the head of the needle (14) abuts, and whose outer surface forms a bearing zone allowing the user to push the needle back to the locked position.
En exerçant un effort axial sur le fond de la troisième cage (24), on provoque l'engagement des trois cages les unes dans les autres, ce qui réduit leur hauteur et permet à l'aiguille de traverser le trou (8) de l'extrémité libre de la branche (4) de l'anneau, puis de pénétrer du coté opposé dans un réceptacle (29). Ce réceptacle (31) présente un logement tronconique (31) contenant deux billes (32, 33). Ces billes (32, 33) sont repoussées en direction du fond (36) de ce logement conique (31) par un ressort (35) prenant appui sur le fond du réceptacle (29). Ces billes viennent bloquer le déplacement de l'aiguille (14) par l'effet de coincement résultant de la composante radiale de l'action des billes (32, 33) sur la paroi intérieure du logement tronconique (31). By exerting an axial force on the bottom of the third cage (24), it causes the engagement of the three cages into each other, which reduces their height and allows the needle to pass through the hole (8) of the free end of the branch (4) of the ring, then to penetrate the opposite side into a receptacle (29). This receptacle (31) has a frustoconical housing (31) containing two balls (32, 33). These balls (32, 33) are pushed towards the bottom (36) of this conical housing (31) by a spring (35) bearing on the bottom of the receptacle (29). These balls come to block the displacement of the needle (14) by the jamming effect resulting from the radial component of the action of the balls (32, 33) on the inner wall of the frustoconical housing (31).
Les billes (32, 33) sont métalliques et éventuellement magnétiques. Lorsque déverrouilleur comporte un aimant puissant ou un électroaimant est approché du fond du réceptacle (29), la force magnétique s'oppose à l'effet du ressort (35), ce qui réduit l'effet de coincement de l'aiguille (14) et permet de libérer l'aiguille, et donc de déverrouiller puis d'ouvrir le dispositif. Pour éviter que des chocs axiaux, exercés sur le fond du réceptacle, en tapant brutalement le dispositif sur une surface dure, ne viennent inopinément déplacer les billes et libérer l'aiguille, différentes solutions sont proposées. The balls (32, 33) are metallic and possibly magnetic. When an unlocker has a strong magnet or an electromagnet is brought near the bottom of the receptacle (29), the magnetic force opposes the effect of the spring (35), which reduces the jamming effect of the needle (14) and allows to release the needle, and thus to unlock and open the device. To prevent axial shocks, exerted on the bottom of the receptacle, by suddenly tapping the device on a hard surface, do not unexpectedly move the balls and release the needle, different solutions are proposed.
La première consiste à orienter l'axe longitudinal défini par l'aiguille (14) et le réceptacle (29) selon un angle par rapport au plan transversal du dispositif par exemple un angle de 10 à 35 degrés par rapport à la perpendiculaire, de façon à ce qu'un choc frontal n'interviennent pas dans l'axe de déplacement des billes (32, 33). The first is to orient the longitudinal axis defined by the needle (14) and the receptacle (29) at an angle relative to the transverse plane of the device, for example an angle of 10 to 35 degrees relative to the perpendicular, so that a frontal impact does not intervene in the axis of movement of the balls (32, 33).
Une autre solution est décrite en référence aux figures 4 et 5. Another solution is described with reference to FIGS. 4 and 5.
Le fond du réceptacle (29) est prolongé par une zone amortie. Il s'agit, dans l'exemple illustré par la figure 5, d'une pièce additionnelle déformable élastiquement , par exemple une demi-sphère en caoutchouc (40). The bottom of the receptacle (29) is extended by a damped area. This is, in the example illustrated in Figure 5, an additional piece elastically deformable, for example a rubber half-sphere (40).
Une alternative illustrée par la figure 6 consiste à prévoir dans le fond du réceptacle (29) une cage fermée (41) dans laquelle vient s'appuyer le ressort (35). Lorsque l'aiguille (14) traverse le trou (8) traversant l'extrémité libre de la branche (4) de l'anneau, elle empêche le déplacement de l'anneau par rapport au corps (1) du dispositif. L'anneau (2) forme ainsi avec le corps (1) une boucle fermée empêchant le retrait de l'objet protégé. Pour permettre le déplacement de l'anneau (2) par translation par rapport au corps dans l'exemple décrit, puis, lorsque l'extrémité libre sort du corps, par pivotement autour de l'axe de la branche (3), il faut d'abord retirer l'aiguille. Pour cela, il faut déverrouiller le système de verrouillage afin de permettre la remontée de l'aiguille (14) sous l'effet du ressort (16). An alternative illustrated in Figure 6 is to provide in the bottom of the receptacle (29) a closed cage (41) in which rests the spring (35). When the needle (14) passes through the hole (8) passing through the free end of the branch (4) of the ring, it prevents the displacement of the ring relative to the body (1) of the device. The ring (2) thus forms with the body (1) a closed loop preventing the withdrawal of the protected object. To allow the displacement of the ring (2) by translation relative to the body in the example described, then, when the free end comes out of the body, by pivoting about the axis of the branch (3), it is necessary to first remove the needle. To do this, it is necessary to unlock the locking system to allow the raising of the needle (14) under the effect of the spring (16).
La forme en trou de serrure empêche le retrait de l'aiguille en position de repos. En effet, le renflement (15) présente une section supérieure à celle de la section intérieure du trou de serrure. Pour permettre le retrait de l'aiguille, il faut repousser l'anneau vers l'intérieur du corps, de façon à ce que la section extérieure (10) se trouve dans l'axe de l'aiguille (14). Cette section (10) permet le passage du renflement (15) et donc le retrait de l'aiguille. The keyhole shape prevents the withdrawal of the needle in the rest position. Indeed, the bulge (15) has a section greater than that of the inner section of the keyhole. To allow removal of the needle, it is necessary to push the ring towards the inside of the body, so that the outer section (10) is in the axis of the needle (14). This section (10) allows the passage of the bulge (15) and thus the removal of the needle.
La position du trou de serrure par rapport à l'extrémité de la branche libre (4) est déterminée pour que la section extérieure (10) soit coaxiale avec l'aiguille (14) lorsque l'anneau (2) est complètement repoussée dans le corps (1), et pour que l'effet d'un ressort d'éjection de la branche (3) repousse ensuite l'anneau de telle sorte que l'aiguille viennent en contact avec le flanc du trou de serrure se trouvant du coté de l'extrémité libre de la branche (4). The position of the keyhole relative to the end of the free leg (4) is determined so that the outer section (10) is coaxial with the needle (14) when the ring (2) is completely pushed back into the body (1), and for the effect of an ejection spring branch (3) then pushes the ring so that the needle come into contact with the side of the keyhole lying on the side the free end of the branch (4).
Il est aussi proposé de prévoir un état de surface rugueux sur les flancs de la lumière (8) afin d'assurer un frottement sec avec la surface rugueuse de l'aiguille (14). Cette configuration évite aussi le retrait inopportun de l'aiguille lorsqu'on provoque des chocs sur le système de verrouillage . It is also proposed to provide a rough surface condition on the flanks of the lumen (8) to ensure dry friction with the rough surface of the needle (14). This configuration also avoids the inconvenient withdrawal of the needle when it causes shocks on the locking system.

Claims

Revendications  claims
1 — Dispositif antivol destiné à être attaché à un article en vente libre comprenant un anneau (2) dont l'une des extrémités est fixée sur un corps rigide (1) et l'autre extrémité libre est configurée pour permettre son introduction dans une cavité complémentaire formée dans ledit corps rigide (1), ledit corps (1) comprenant un mécanisme de verrouillage de l'extrémité libre dans le corps (1) lorsque celle-ci est introduite dans ladite cavité, ledit mécanisme de verrouillage comportant une aiguille (14) mobile perpendiculairement par rapport à la direction d'introduction de ladite extrémité libre dans ladite cavité, entre une direction où elle traverse une lumière complémentaire ( 8 ) formée dans ladite extrémité libre, et une position de retrait où elle libère le déplacement de ladite extrémité libre caractérisé en ce que ledit corps ( 1 ) contient de un moyen d'interaction avec un détecteur associé et est prolongé d'un coté d'un plan médian passant par la cavité d'introduction (8) de l'extrémité libre par un moyen d ' actionnement de ladite aiguille (14), et présente du coté opposé un logement pour recevoir ladite l'extrémité de ladite aiguille (14), le logement comportant des moyens de verrouillage configurés pour permettre la libération de ladite aiguille (14) à l'aide d'un déverrouilleur , pour permettre un débattement entre une position dans laquelle ladite aiguille (14) est engagée dans ladite lumière de l'extrémité libre de l'anneau et une position de libération dans laquelle ladite aiguille (14) est désengagée de ladite extrémité libre pour permettre le retrait de l'extrémité libre de l'anneau (2). 2 - Dispositif antivol selon la revendication 1 caractérisé en ce que ledit moyen d' actionnement présente au moins une cage (22 ; 23 ; 24) permettant le déplacement de ladite aiguille (14) entre une position escamotée où la pointe de ladite aiguille (14) ne dépasse pas la surface intérieure de la cavité de réception de l'extrémité libre, et une position sortie où ladite aiguille (14) est engagée dans le logement complémentaire et traverse la lumière complémentaire (8) prévue dans l'extrémité libre de l'anneau. 1 - An anti-theft device intended to be attached to an item sold over the counter including a ring (2) whose one end is fixed on a rigid body (1) and the other free end is configured to allow its introduction into a cavity complementary member formed in said rigid body (1), said body (1) comprising a locking mechanism of the free end in the body (1) when the latter is introduced into said cavity, said locking mechanism comprising a needle (14). ) movable perpendicular to the direction of insertion of said free end into said cavity, between a direction where it passes through a complementary lumen (8) formed in said free end, and a withdrawal position where it releases the movement of said end characterized in that said body (1) contains a means of interaction with an associated detector and is extended on one side of a median plane p assant by the insertion cavity (8) of the free end by a means for actuating said needle (14), and has on the opposite side a housing for receiving said end of said needle (14), the housing having locking means configured to allow release of said needle (14) by an unlocker, to allow movement between a position in which said needle (14) is engaged in said light of the free end of the ring and a release position in which said needle (14) is disengaged from said free end to allow removal of the free end of the ring (2). 2 - antitheft device according to claim 1 characterized in that said actuating means has at least one cage (22; 23; 24) for moving said needle (14) between a retracted position where the tip said needle (14) does not exceed the inner surface of the receiving cavity of the free end, and an extended position where said needle (14) is engaged in the complementary housing and passes through the complementary lumen (8) provided in the free end of the ring.
3 — Dispositif antivol selon la revendication 2 caractérisé en ce que ledit moyen d'actionnement comprend une pluralité de cages emboîtées (22 ; 23 ; 24) et un moyen de ressort (16) pour entraîner l'aiguille (14) dans la position escamotée au repos. 3 - antitheft device according to claim 2 characterized in that said actuating means comprises a plurality of nested cages (22; 23; 24) and a spring means (16) for driving the needle (14) in the retracted position resting.
4 — Dispositif antivol selon la revendication 4 caractérisé en ce que les dites cages (22 ; 23 ; 24) présentent une forme cylindrique, avec un épaulement interagissant avec un épaulement complémentaire prévu sur la cage consécutive pour limiter le déplacement vers la position escamotée . 4 - antitheft device according to claim 4 characterized in that said cages (22; 23; 24) have a cylindrical shape, with a shoulder interacting with a complementary shoulder provided on the consecutive cage to limit the displacement to the retracted position.
5 — Dispositif antivol selon l'une au moins des revendications précédentes caractérisé en ce que le moyen de verrouillage est constitué par au moins une bille (32, 33) repoussée par un ressort (35) vers le fond du logement destiné à recevoir l'aiguille (14), ledit logement présentant une forme tronconique destiné à provoquer un coincement de la bille contre l'aiguille, ladite bile étant apte à interagir avec un moyen de déverrouillage pour s'opposer à l'action dudit ressort. 5 - antitheft device according to at least one of the preceding claims characterized in that the locking means is constituted by at least one ball (32, 33) pushed by a spring (35) towards the bottom of the housing for receiving the needle (14), said housing having a frustoconical shape intended to cause a jamming of the ball against the needle, said bile being able to interact with an unlocking means to oppose the action of said spring.
6 — Dispositif antivol selon l'une au moins des revendications précédentes caractérisé en ce que l'aiguille (14) présente un renflement (15) et en ce que la lumière (8) prévue dans l'extrémité libre présente une section en forme de «trou de serrure » . 6 - antitheft device according to at least one of the preceding claims, characterized in that the needle (14) has a bulge (15) and in that the light (8) provided in the free end has a section in the form of "keyhole " .
7 — Dispositif antivol selon l'une au moins des revendications précédentes caractérisé en ce que le corps (1) comporte un moyen pour repousser l'anneau (2) en position d ' ouverture . 7 - Antitheft device according to at least one of the preceding claims, characterized in that the body (1) comprises means for pushing the ring (2) to the open position.
8 — Dispositif antivol selon l'une au moins des revendications précédentes caractérisé en ce que la deuxième partie est prolongée dans l'axe de l'aiguille par un amortisseur (40). 8 - antitheft device according to at least one of the preceding claims characterized in that the second part is extended in the axis of the needle by a damper (40).
9 — Dispositif antivol selon la revendication précédente caractérisé en ce que ledit amortisseur est constitué par une pièce (40) déformable élastiquement . 9 - Anti-theft device according to the preceding claim characterized in that said damper is constituted by a piece (40) elastically deformable.
10 — Dispositif antivol selon la revendication 9 caractérisé en ce que ledit amortisseur est constitué par une pièce (41) mobile axialement et amortie par un ressort. 10 - antitheft device according to claim 9 characterized in that said damper is constituted by a piece (41) movable axially and damped by a spring.
EP15705677.1A 2014-02-04 2015-02-02 Antitheft device intended to be attached to an item on general sale Active EP3102760B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1450836A FR3017152B1 (en) 2014-02-04 2014-02-04 ANTI-THEFT DEVICE FOR ATTACHING TO AN ARTICLE FOR FREE SALE
PCT/FR2015/050231 WO2015118251A1 (en) 2014-02-04 2015-02-02 Antitheft device intended to be attached to an item on general sale

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EP3102760A1 true EP3102760A1 (en) 2016-12-14
EP3102760B1 EP3102760B1 (en) 2018-04-04

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FR (1) FR3017152B1 (en)
WO (1) WO2015118251A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10119304B2 (en) * 2016-01-28 2018-11-06 The Gillette Company Llc Point of sale assembly having antitheft functionality and method thereof
US10676968B2 (en) * 2017-05-18 2020-06-09 Sensormatic Electronics, LLC Systems and methods for providing a security tag with a telescoping actuator and/or adjustable range of insert space sizes
GB2563249A (en) * 2017-06-07 2018-12-12 Sekura Global Llp Security tag
US11183038B2 (en) * 2019-09-30 2021-11-23 Sensormatic Electronics, LLC Detacher for self-detaching tag

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
US953556A (en) * 1909-07-02 1910-03-29 William A Shanks Padlock.
US1338605A (en) * 1919-07-03 1920-04-27 Wroblewski Czeslaw Lock
US1766784A (en) * 1928-06-13 1930-06-24 John C Gregory Lock
FR2702353B1 (en) * 1993-03-12 1995-06-02 Patrick Lamy Anti-theft device for glasses.
US7062823B2 (en) * 2000-10-26 2006-06-20 Alpha Security Products, Inc. Theft deterrent device
US20060070410A1 (en) * 2003-08-29 2006-04-06 Arthur Fuss Product anti-theft device
ATE411439T1 (en) * 2005-04-05 2008-10-15 Pietro Necchi ANTI-THEFT TAGS
FR2951570B1 (en) * 2009-10-19 2012-06-29 Thoonsen Trading ANTI-THEFT DEVICE FOR SALES ARTICLES

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FR3017152B1 (en) 2017-10-13
EP3102760B1 (en) 2018-04-04
WO2015118251A1 (en) 2015-08-13
FR3017152A1 (en) 2015-08-07

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