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WO1994009235A1 - Systeme antivol - Google Patents

Systeme antivol Download PDF

Info

Publication number
WO1994009235A1
WO1994009235A1 PCT/NL1993/000208 NL9300208W WO9409235A1 WO 1994009235 A1 WO1994009235 A1 WO 1994009235A1 NL 9300208 W NL9300208 W NL 9300208W WO 9409235 A1 WO9409235 A1 WO 9409235A1
Authority
WO
WIPO (PCT)
Prior art keywords
locking part
counterpart
key
housing
release element
Prior art date
Application number
PCT/NL1993/000208
Other languages
English (en)
Inventor
Gerardus Petrus Antonius Maria Schrauwen
Original Assignee
Hendrikx, Jacobus, Gerardus, Maria
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 Hendrikx, Jacobus, Gerardus, Maria filed Critical Hendrikx, Jacobus, Gerardus, Maria
Priority to DE69307337T priority Critical patent/DE69307337T2/de
Priority to EP93924221A priority patent/EP0666955B1/fr
Priority to AU62419/94A priority patent/AU672102B2/en
Priority to CA002146140A priority patent/CA2146140C/fr
Publication of WO1994009235A1 publication Critical patent/WO1994009235A1/fr

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
    • E05B73/0047—Unlocking tools; Decouplers
    • E05B73/0052—Unlocking tools; Decouplers of the magnetic type
    • 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
    • E05B39/00—Locks giving indication of authorised or unauthorised unlocking
    • E05B39/002—Locks giving indication of authorised or unauthorised unlocking by releasing a liquid, e.g. ill-smelling or dye

Definitions

  • the invention relates to an anti-theft system comprising, on the one hand, a locking part provided with a housing which has a locking mechanism, and also a counterpart which can be connected to the locking part and, on the other hand, a magnetic release element which can be placed on the housing for the release of the counterpart relative to the locking part.
  • the housing of the locking part and the release mechanism must be corresponding shapes which make it possible for locking part and release element to be brought closely against each other.
  • this requirement amounts to the housing being a convex shape, and the release element being a corresponding concave shape.
  • the advantage of these shapes is also that a specially shaped release element is necessary, with the result that release by unauthorized persons is made difficult.
  • release elements shaped in this way fall into the hands of third parties, which lessens the security function of the existing anti-theft systems.
  • the availability of increasingly powerful permanent magnets also means that the locking mechanism can be released even without the special shape of release element. With these more powerful magnets the distance from the magnetisable part need not be so small, with the result that the locking is released even where the magnet cannot be brought as close up as was necessary in the case of the magnets originally used.
  • Sales outlets in a specific area can now each have their own combination which differs from the other key/counter key combinations, with the result that it becomes virtually impossible for unauthorized persons to find out the sales outlet at which a release element can be used, even if they are able to obtain such a release element.
  • the key/counter key combination can be in many different forms.
  • the key comprises at least one projection, and the counter key a corresponding number of correspondingly shaped recesses.
  • the projections on the key present on the housing make it impossible to use the release elements currently in circulation, these elements having a smooth accommodation recess for the housing.
  • the key can comprise at least two projections which lie at different levels in the insertion direction of key and counter key and are displaced relative to each other in the peripheral direction.
  • the system can comprise a detection element which can be set up in a fixed position and also a tag with a detection coil which is detectable by the detection element, which tag interacts with the counterpart or the locking part.
  • the tag can be made integral with the counterpart, or it can be detachably connected to the counterpart, in such a way that the tag can be removed from the counterpart after releasing therefrom.
  • the counterpart is provided with a fluid reservoir for an essentially indelible fluid, which reservoir is designed in such a way that the fluid can escape from it when the locking mechanism is forced.
  • a counterpart is already known per se.
  • the protection can be improved even further if the housing of the locking part also has a fluid reservoir for an essentially indelible fluid, which reservoir is designed in such a way that the fluid can escape from it when the locking mechanism is forced.
  • the invention also relates to a locking part for use in the system described above.
  • the preferred locking part is one in which the housing comprises a base part and a cap part, and both the base part and the cap part bear a projection.
  • the housing comprises a base part and a cap part, and both the base part and the cap part bear a projection.
  • more than two projections can also be provided on the housing.
  • connection surfaces of base part and cap part are rotationally symmetrical, in such a way that both projections can be fixed to each other in any desired displaced position.
  • the invention also relates to a release element for the system described above.
  • Said element is preferably provided with a hollow which is formed corresponding to the housing, at least a part thereof being clad with ceramic material. Since ceramic material is very hard and difficult to work, the release element is virtually impossible to uncover, so that the magnet remains inaccessible. This embodiment is a good idea in particular if a relatively powerful magnet which is difficult to obtain is being used.
  • the recesses are provided in the ceramic cladding and/or the magnet.
  • the hardness of the ceramic material prevents the recesses from being adapted.
  • Figure 1 shows a view, partially in section, of a locking part with counterpart according to the invention
  • Figure 2 shows a top view of the locking part
  • Figure 3 shows a first variant of locking part and counterpart
  • Figure shows a second variant of locking part and counterpart
  • Figure 5 shows a release element according to the invention, with locking part and counterpart according to Figure 1;
  • Figure 6 shows an alternative locking part.
  • the anti-theft system shown in Figures 1 and 2 comprises a partially shown counterpart 1, in addition to a locking part 2 according to the invention.
  • the counterpart 1 can be in various forms. In the embodiment shown, it is in the form of a flat plate, on which plate the electronic components of a security system are fitted. Such security systems are known, so that no further description thereof is given.
  • the counterpart 1 has a pin 3 ⁇ which has a sharp point, so that it can be inserted through a piece of material, for example a garment.
  • a piece of material for example a garment.
  • a further known locking mechanism which, as shown, can have, for example, three balls 4. Balls 4 are pressed by pressure part 5 towards the narrowed part of a conical seat 6, under the influence of a spring 7• Such a locking mechanism is also known, so that no further detailed description thereof is given.
  • the locking mechanism is accommodated in a bowl 9. forming part of the base part 10 of locking part 2. Said locking part 2 also has a cap part 11 which is connected in a sealing manner to the base part 10.
  • Base part 10 has a specially shaped sealing edge 12, while cap part 11 also has a specially shaped sealing edge 13-
  • base part 10 and cap part 11 are placed on one another, the sealing edges 12 and 13 already providing a seal before the parts 10 and 11 are pressed fully onto each other.
  • said parts 10 and 11 are pressed further towards each other, this results in an excess pressure in the interior space bounded by the parts 10 and 11.
  • the parts are then fixed to each other, for example by ultrasonic welding.
  • the base part 10 has a number of radially inward directed plates 16 disposed at regular intervals on its inner periphery.
  • the cap part 11 has an apron 17, the free end of which is centred by the plates 16.
  • the base part 10 now has a projection 18, and the cap part 11 has a projection 19-
  • these are fitted at the same place in the peripheral direction of the locking part 2, so it is clear that during manufacture of the locking part 2 these keys 18 and 19 can be at any position relative to each other in the peripheral direction. This means that a large number of different combinations of projections 18 and 19. together forming the key of the locking part, are obtained.
  • the key 19 contains a hollow space 20, which forms part of the fluid reservoir. As soon as any attempt is made to remove the projection, the fluid under pressure will gush out.
  • the locking part 2 is itself provided with an integral tag 29- This tag 29, which is only partially shown, again bears a coil, which can be detected as described above.
  • the counterpart can be in the form of a so-called spike 30.
  • the variant of the system shown in Figure k again comprises a locking part 2 of the same type as that shown in Figures 1 and 2.
  • the counterpart 3 is in this case also provided with a fluid reservoir 32.
  • a counterpart 31 is known per se from Dutch Patent Application NL-A-9001337-
  • the locking part 2 can, of course, be provided with an integral tag with detection coil, as shown in Figure 3-
  • This embodiment of the security system is very difficult to force, since both the counterpart 31 and the locking part 2 now have a breakable fluid reservoir.
  • FIG. 1 shows in greater detail how the locking part 2 can interact with the release mechanism indicated in its entirety by 21.
  • This release element has an accommodation recess 22, the shape of which corresponds to that of the housing 23 (formed by cap part 11 and base part 10) of the locking part 2.
  • the projections 18 and 19 can be accommodated in correspondingly shaped recesses 2k and 25, in the accommodation recess 22 of release element 21.
  • a tag 33 provided with a hole 3 ⁇ into which the pin 3 of counterpart 30 is inserted, can be used.
  • This tag has a detection coil which is detectable in the manner described above.
  • Figure 6 shows an alternative locking part 36, in the case of which keys 37 are also fitted on the flat side of the housing. An even larger number of different key combinations can be obtained with this alternative.
  • the magnet of the release element (not shown) is in this case also provided with corresponding recesses.
  • the keys 37 are provided with a hollow 38 in communication with the reservoir. If an attempt is made to remove the keys, the reservoir is broken.
  • Release element 21 also has a powerful permanent magnet 27, which is accommodated in a sleeve 26 of ceramic material.
  • This sleeve of ceramic material 26 is very hard, so that the magnet is well protected.
  • the recesses 2k and 25 are also partially provided in this ceramic material, which means that it is virtually impossible to change their shape. This means additional security in the case of the system according to the invention, since it is virtually impossible to make recesses in the ceramic material of the sleeve 26 itself, with a view to releasing counterparts 23 with different keys.

Landscapes

  • Burglar Alarm Systems (AREA)
  • Air Bags (AREA)

Abstract

L'invention se rapporte à un système antivol qui comprend, d'une part, une pièce de verrouillage (2) pourvue d'un logement qui comporte un mécanisme de verrouillage (3-6), ainsi qu'une pièce antagoniste (1) qui peut être raccordée à la pièce de verrouillage (2), et, d'autre part, un élément de libération magnétique (21) qui peut être placé sur le logement pour libérer la pièce de verrouillage de la pièce antagoniste. Pour conférer au système une plus grande sécurité, le logement de la pièce de verrouillage (2) comporte une clef (18, 19) et l'élément de libération (21) comporte une clef antagoniste (24, 25), la clef (18, 19) et la clef antagoniste (24, 25) s'adaptant l'une dans l'autre.
PCT/NL1993/000208 1992-10-22 1993-10-19 Systeme antivol WO1994009235A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE69307337T DE69307337T2 (de) 1992-10-22 1993-10-19 Diebstahlsicherungssystem
EP93924221A EP0666955B1 (fr) 1992-10-22 1993-10-19 Systeme antivol
AU62419/94A AU672102B2 (en) 1992-10-22 1993-10-19 Anti-theft system
CA002146140A CA2146140C (fr) 1992-10-22 1993-10-19 Systeme anti-vol

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9201834A NL9201834A (nl) 1992-10-22 1992-10-22 Diefstalbeveiligingssysteem.
NL9201834 1992-10-22

Publications (1)

Publication Number Publication Date
WO1994009235A1 true WO1994009235A1 (fr) 1994-04-28

Family

ID=19861412

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL1993/000208 WO1994009235A1 (fr) 1992-10-22 1993-10-19 Systeme antivol

Country Status (9)

Country Link
EP (1) EP0666955B1 (fr)
AT (1) ATE147473T1 (fr)
AU (1) AU672102B2 (fr)
CA (1) CA2146140C (fr)
DE (1) DE69307337T2 (fr)
DK (1) DK0666955T3 (fr)
ES (1) ES2096342T3 (fr)
NL (1) NL9201834A (fr)
WO (1) WO1994009235A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997018492A1 (fr) * 1995-11-14 1997-05-22 Maurer, Albert Aimant amovible pour antivol pour articles en vente
NL1007373C2 (nl) * 1997-10-27 1999-04-28 Hendrikx Gerardus Maria Jacobus Beveiligingsdeel voor een anti-diefstalmiddel.
NL1014308C2 (nl) * 2000-02-07 2001-08-08 Boehaal B V Veiligheidsverpakking voor een te tonen product.
WO2013088093A1 (fr) * 2011-12-14 2013-06-20 Exaqtworld Stabilisateur pour déverrouillage de tag antivol
WO2013093839A1 (fr) * 2011-12-23 2013-06-27 Solexxm Dispositif a badge de detection, de signalisation et d'information, et appareil detacheur pour un tel dispositif

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103572A (en) * 1973-12-27 1978-08-01 Sensormatic Electronics Corporation Unlatching tool for reusable security tag
US4527310A (en) * 1983-07-22 1985-07-09 I. D. Engineering, Inc. Secure release apparatus for anti-theft fastening device
US4774503A (en) * 1987-06-22 1988-09-27 Monarch Marking Systems, Inc. Anti-theft tag
EP0482800A1 (fr) * 1990-10-24 1992-04-29 Security Tag Systems, Inc. Expulsion de matières nuisibles de dispositif antivol

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103572A (en) * 1973-12-27 1978-08-01 Sensormatic Electronics Corporation Unlatching tool for reusable security tag
US4527310A (en) * 1983-07-22 1985-07-09 I. D. Engineering, Inc. Secure release apparatus for anti-theft fastening device
US4774503A (en) * 1987-06-22 1988-09-27 Monarch Marking Systems, Inc. Anti-theft tag
EP0482800A1 (fr) * 1990-10-24 1992-04-29 Security Tag Systems, Inc. Expulsion de matières nuisibles de dispositif antivol

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997018492A1 (fr) * 1995-11-14 1997-05-22 Maurer, Albert Aimant amovible pour antivol pour articles en vente
US6329895B1 (en) 1995-11-14 2001-12-11 Albert Maurer Releasing magnet for anti-theft devices for sales goods
NL1007373C2 (nl) * 1997-10-27 1999-04-28 Hendrikx Gerardus Maria Jacobus Beveiligingsdeel voor een anti-diefstalmiddel.
WO1999022102A1 (fr) * 1997-10-27 1999-05-06 Hendrikx Jacobus Gerardus Mari Composant de surete pour dispositif antivol
NL1014308C2 (nl) * 2000-02-07 2001-08-08 Boehaal B V Veiligheidsverpakking voor een te tonen product.
WO2001059240A1 (fr) * 2000-02-07 2001-08-16 Safeframe Bv Conditionnement de securite pour produit a l'etalage
WO2013088093A1 (fr) * 2011-12-14 2013-06-20 Exaqtworld Stabilisateur pour déverrouillage de tag antivol
FR2984388A1 (fr) * 2011-12-14 2013-06-21 Exaqtworld Ensemble de protection contre le vol et dispositif de deverrouillage magnetique d'un tel ensemble
WO2013093839A1 (fr) * 2011-12-23 2013-06-27 Solexxm Dispositif a badge de detection, de signalisation et d'information, et appareil detacheur pour un tel dispositif
FR2984945A1 (fr) * 2011-12-23 2013-06-28 Solexxm Dispositif a badge de detection, de signalisation et d'information, et appareil detacheur pour un tel dispositif.
US9598882B2 (en) 2011-12-23 2017-03-21 Solexxm Device with detection, signalling and information tag and tag detacher for such a device

Also Published As

Publication number Publication date
DK0666955T3 (da) 1997-07-14
DE69307337T2 (de) 1997-07-31
ATE147473T1 (de) 1997-01-15
EP0666955A1 (fr) 1995-08-16
ES2096342T3 (es) 1997-03-01
AU672102B2 (en) 1996-09-19
EP0666955B1 (fr) 1997-01-08
CA2146140C (fr) 2000-01-11
DE69307337D1 (de) 1997-02-20
AU6241994A (en) 1994-05-09
NL9201834A (nl) 1994-05-16

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