EP1601848A1 - Dispositif de verrouillage a commande magnetique - Google Patents
Dispositif de verrouillage a commande magnetiqueInfo
- Publication number
- EP1601848A1 EP1601848A1 EP03816340A EP03816340A EP1601848A1 EP 1601848 A1 EP1601848 A1 EP 1601848A1 EP 03816340 A EP03816340 A EP 03816340A EP 03816340 A EP03816340 A EP 03816340A EP 1601848 A1 EP1601848 A1 EP 1601848A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- magnets
- locking device
- barrel
- key
- socket
- 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
Links
Classifications
-
- 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
- E05B47/0044—Cylinder locks with magnetic tumblers
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/02—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in operated by the edge of the key
- E05B27/08—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in operated by the edge of the key arranged axially
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7051—Using a powered device [e.g., motor]
- Y10T70/7057—Permanent magnet
Definitions
- the invention relates to an improved magnetic control locking device.
- a magnetic control locking device comprising a key and a barrel.
- This barrel comprises a stator and a rotor, the latter being rotated about a longitudinal axis of the barrel by the key.
- the barrel carries several magnets oriented in a direction generally parallel to the axis of rotation of the rotor. These magnets cooperate with other magnets distributed opposite in part of the key. These magnets are enclosed in ferromagnetic metal sockets.
- the sockets carrying the magnets located in the barrel are movable in translation inside housings of complementary shape.
- the key When the part of the key carrying the magnets is presented opposite the magnets of the corresponding part of the rotor, these attract or repel according to the polarities and the respective positions of the magnets carried by the key and the barrel. In this way, the key induces the displacement, towards the bottom of the corresponding housing or in the direction of the outlet of this housing, of the sockets located in the barrel. This displacement has the consequence, respectively, of unlocking the rotor and allowing its rotation or blocking it in rotation.
- the rotor is associated with a member, for example an eccentric mounted on its axis of rotation, which can move a slide which actuates a bolt in a strike.
- the invention more particularly intends to remedy by proposing a magnetic control locking device having increased inviolability and the positioning of the sockets carrying the magnets is precise and reliable, while allowing a greater number of combinations. to that of the known device.
- the subject of the invention is a magnetic control locking device comprising a barrel provided with a stator and a rotor, the rotor being adapted to be rotated about a longitudinal axis of the barrel by means of a key, the latter being fitted with magnets enclosed in sockets made of ferromagnetic material and adapted to cooperate with other magnets also enclosed in sockets made of ferromagnetic material, slidably mounted in at least part of the barrel so as to be able to selectively lock the rotation of the rotor, these magnets, respectively carried by the key and the barrel, being of the same geographical distribution, characterized in that at least two sockets located respectively in the key and the barrel each enclose and hold two magnets of opposite polarity relative to each other or a
- a device is produced where the presence of two magnets of reverse polarity, or of a magnet provided with at least one bipolar end, per socket makes it possible to multiply the number of possible combinations and this all the more so as we can play on the various relative angular positions of the magnets between them. Maintaining the angular position ensures, in a precise and constant manner over time, the relative positioning of the magnets of the barrel and the key. The accuracy of the “geographic” correspondence between the magnetic sockets carried by the rotor and those carried by the key is optimized. In fact, a slight angular or radial displacement of a magnet can modify the reception value of the magnetic fluxes between the magnets of the rotor and the key, or even reverse the direction of the magnetic flux.
- the locking device incorporates one or more of the following characteristics:
- Each socket is adapted to hold the two magnets or the magnet provided with at least one bipolar end which it encloses in a given angular position relative to a longitudinal axis of the socket.
- the blocking member is a finger, a lug or a slide.
- the member of complementary shape to the blocking member is, respectively, a slide, a finger or a lug.
- the sockets located on the barrel are movable in translation in housings, while the sockets located on the key are stationary in their housings.
- the parts of different polarities of a magnet provided with at least one bipolar end or magnets enclosed in each socket of the barrel have magnetic moments of the same intensity and opposite directions. As a variant, these magnetic moments are of different intensities and of opposite directions.
- the magnets of the barrel and the key are anisotropic. Alternatively they are isotropic.
- the invention also relates to a means for closing an opening or an access provided with a locking device produced according to any one of the predefined characteristics. Thanks to the invention, the quality of the relative positioning of the magnets is ensured, which is essential given the size of such magnets. With such a configuration, the clearance between the bush and its housing is also freed, this play generating a risk of rotation of the bush in its housing.
- FIG. 1 is a perspective view of a locking device according to the invention, the barrel being in place in a partially shown door, the key being shown ready to be engaged in the device,
- FIG. 2 is a perspective view of the key
- FIG. 3 is a perspective view, partially cut away, of part of the barrel, the rotor being in the locked position
- FIG. 4 is a view similar to FIG. 3 with the rotor in the unlocked position
- FIGS. 3A and 4A are partial schematic sections, on a larger scale, along the plane IIIA of the device, respectively in the locked position without the key and unlocked with the key in place,
- FIGS. 5 and 6 are schematic representations of the different forces of attraction and repulsion between the magnets carried by sockets located respectively in the key and in the rotor according to the alignment or non-alignment of their respective magnetic axes,
- FIG. 7 and 8 are partial perspective views illustrating two embodiments of the locking in rotation of a socket in its housing
- - Figure 9 is a schematic representation of the various possibilities of geometric distribution of the magnets of the barrel, these distributions being transposable to the key
- • - Figure 9A is a view similar to a part of Figure 9 for a socket equipped with a single magnet whose end is bipolar.
- FIG. 10 is a schematic representation of another type of insertion of two magnets of reverse polarity in a socket, and
- FIG. 11 is a schematic representation of other possible geometric configurations for the sockets.
- the device 1 shown in Figure 1 has a front face 2 visible on a face 3 of a door.
- This front face is made of metal, for example steel, and is adjusted on the door so as to offer no gap or play which can be used to “force” the device 1.
- the front face 2 is in the form of a dome with a circular base. whose vertex 4 is truncated. This vertex 4 is formed by a circular, flat and smooth plate. It is provided in the vicinity of its periphery, with two diametrically opposite lugs 5.
- These pins 5 have the shape of two small cylinders whose longitudinal axis is oriented in a direction generally perpendicular to the plane of the face 3.
- These bar-shaped magnets 10b and 10c are arranged so that their magnetic axes are oriented in a direction generally parallel to a central axis CC of the apex 4. They are located, both those adjacent to the plate 4 and those adjacent to the surface 7, so that one of their magnetic poles is in contact with one of these surfaces.
- the magnets 10b and 10c are geographically distributed in the same way in the rotor 9 and the key 8 so that the magnetic pole of a magnet 10b located in the rotor 9 can only act on the magnetic pole of a single magnet 10c complementary housed in the key 8.
- the body of the key 8 is in the form of a cylinder, visible in FIG. 2, of short length compared to the diameter of its base.
- the locking device 1 comprises in particular a barrel 12 of hollow cylindrical shape housing a stator 14 provided with several tubular housings 15, with identical circular bases.
- the stator 14 is located in a region of the barrel remote from the plate 4.
- the housings 15 have an open end flush with the face 16 of the stator 14 in contact with a rotor 9.
- the latter has a cylindrical shape similar to that of the stator 14. It is also provided with "A series of housings 17 of identical shapes and diameters to the housings 15 of the stator.
- the housings 17 are formed in the rotor so as to extend, over the entire length of the rotor 9, the housings 15 of the stator 14. They are open at their two ends.
- a rotation axis 18 is positioned in a direction generally coincident with the longitudinal and central axis AA 'of the barrel 12. This axis 18 is integral with the rotor 9 and mounted for free rotation in a through orifice, formed along the length of the stator 14 Seals 26 located on the outer wall of the rotor provide sealing.
- the rotor is also provided with a device, not shown, called "anti-drilling".
- the housings 15 each comprise, at their blind ends situated in the stator 14, a return spring 19.
- These housings 15 house sockets 20b in each of which are inserted and immobilized, for example by bonding, two magnets 10b ⁇ and 10b 2 .
- These sockets have their central longitudinal axis BB 'generally parallel to the axis AA' of the barrel.
- the sockets 20b are provided, on the external radial surface 21 of their wall, with a finger 22. This is adapted to be inserted in a groove 23 of complementary shape made in the internal face 24 of the wall of a housing 17 and forming a slide for the finger 22. This groove 23 is formed over the entire length of the housing 17 and oriented in a direction generally parallel to the axis BB '.
- FIGS. 7 and 8 can indifferently relate to the sockets 20b and 20c.
- the grooves 23 ' only ensure the locking in rotation of the fingers 22' and do not have the function of forming a slide for a socket 20c.
- the latter are immobile in their housings 17 '.
- Two magnets 10b ⁇ and 10b, of opposite polarities and preferably anisotropic, that is to say that can only be magnetized in a preferred direction, are enclosed in each socket 20b. As shown in the upper part of Figure 9, these two magnets 10b ⁇ and 10b 2 can be in the form of two half-cylinders of the same dimensions.
- a socket 20c carries two magnets 10c- ⁇ and 10c 2 which can be in the form of two identical half-cylinders or a magnet 10c 2 representing in cross section three quarters of a disc, the another 10c ⁇ magnet forming a quarter disc.
- a single magnet 10b ' can be immobilized in a socket 20b' of the barrel.
- This magnet 10b ' is bipolar at least at its end facing the front face 2.
- magnets of which one face is bipolar can be provided in the sockets 20c of the key 8.
- the two zones 10b' ⁇ and 10b ' 2 of reverse polarity of the end of the magnet 10b' visible in Figure 9A play a role similar to that envisaged above for the magnets 10b ⁇ and
- magnets 10b ⁇ , 10b 2) or 10c ⁇ , 10c 2 are in the form of two concentric cylinders, one hollow, forming a peripheral magnet of opposite polarity to that, full, forming a central magnet.
- the means for angular positioning of the magnets are not essential.
- the sockets 20b, 20c have a non-circular cross section. This section is, for example, rectangular, triangular, polygonal or oval. With such forms of sockets, there is no longer any need for a means of locking in rotation when these sockets are positioned in their respective housings.
- the magnets 10b- ⁇ , 10b 2 , 10c- ⁇ , and 10c 2 act in repulsion or attraction depending on their alignments, their angular positions and their polarities.
- a return spring 19 located in the closed end of a housing 15 pushes a piston 25 which displaces the magnets 10b ⁇ and 10b 2 of the rotor 9 towards the outlet of the housings 17.
- This piston 25 is positioned in the housing 15, between the spring 19 and the bush 20b.
- the length of the piston 25 is adapted to the return force of the spring 19 inserted in a given housing 15.
- these pistons 25 move the sockets 20b located in the housings 17 so that they come, at the end of the race, into contact with the surface 4 of the device 1.
- the pistons 25 are positioned both partly in the housings 17 of the rotor 9 and partly in the housings 15 of the stator 14. They then block the rotor 9 in rotation.
- the piston 25 forms a stop member in translation with the movement of a sleeve 20b moving in the housing 17 towards the housing 15 located in its extension.
- the displacement of the socket 20b is induced by the attraction of a magnetic pole of the magnet 10b ⁇ or 10b 2 , immobilized in the socket 20b, by the metal end of the piston.
- the length of the piston 25 is adapted so that, when the sleeve 20b is in abutment on the piston 25, it is astride the junction zone between the stator 14 and the rotor 9. In this position, the pistons 25 and / or the sockets 20b make it possible to block the rotor 9 in rotation. Thus the device remains locked.
- sockets 20b located opposite the housings 15 without spring 19
- these sockets 20b are attracted towards the plate 4 by the magnets 10c ⁇ and 10c 2 of the key 8 and are found housed entirely in the housings 17 of rotor 9.
- the rotor 9 is released in rotation and this movement, generated by the key 8 on the rotor 9, also makes it possible to rotate the axis 18, and therefore the connection system with the strike and the door bolt, in order to be able to open it.
- a geographic distribution of six sockets 20b, 20b ', 20c with a unit diameter of 3 millimeters.
- each socket 20b, 20b ', 20c we arrive at possible associations of polarity of the magnets 10b ⁇ 10b 2, 10b' ⁇ and 10b' 2 of the rotor 9 and the magnets 10c ⁇ and 10c 2 of the key 8, greater than twenty
- the magnets do not occupy the entire internal volume of a socket 20b, 20b 'or 20c.
- the remaining volume can be filled with a non-magnetic or ferromagnetic material.
- the displacement of the rotor is no longer in rotation around the longitudinal axis AA 'of the barrel but in translation in a direction generally perpendicular to the axis AA'.
Landscapes
- Lock And Its Accessories (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FR2003/000511 WO2004083574A1 (fr) | 2003-02-17 | 2003-02-17 | Dispositif de verrouillage a commande magnetique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1601848A1 true EP1601848A1 (fr) | 2005-12-07 |
EP1601848B1 EP1601848B1 (fr) | 2008-04-09 |
Family
ID=33017143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03816340A Expired - Lifetime EP1601848B1 (fr) | 2003-02-17 | 2003-02-17 | Dispositif de verrouillage a commande magnetique |
Country Status (9)
Country | Link |
---|---|
US (1) | US20070113605A1 (fr) |
EP (1) | EP1601848B1 (fr) |
JP (1) | JP4336657B2 (fr) |
CN (1) | CN100549354C (fr) |
AT (1) | ATE391820T1 (fr) |
AU (1) | AU2003226484A1 (fr) |
DE (1) | DE60320316T2 (fr) |
ES (1) | ES2305579T3 (fr) |
WO (1) | WO2004083574A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018162821A1 (fr) | 2017-03-09 | 2018-09-13 | Concepts Et Innovations En Securite Magnetique | Ensemble vis de securite et sa cle de manoeuvre |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITRM20050143A1 (it) * | 2005-03-24 | 2006-09-25 | Fabio Fontana | Sistema magnetico per apertura di riferme e serrature. |
US20100319418A1 (en) * | 2009-06-23 | 2010-12-23 | Pinel Medical Inc. | Magnetic key and locking system |
IT1399799B1 (it) * | 2010-05-04 | 2013-05-03 | Fontana | Sistema di chiusura. |
IT1399798B1 (it) * | 2010-05-04 | 2013-05-03 | Fontana | Sistema di blocco/sblocco di elementi sovrapponibili. |
US8397546B2 (en) * | 2010-09-21 | 2013-03-19 | Cosco Management, Inc. | Cabinet security system |
ITRM20110299A1 (it) * | 2011-06-14 | 2012-12-15 | Fabio Fontana | Sistema di agganciamento o sganciamento di elementi sovrapponibili. |
US8608502B2 (en) * | 2012-05-08 | 2013-12-17 | Otter Products, Llc | Connection mechanism |
CN103061612A (zh) * | 2012-12-27 | 2013-04-24 | 黄梓轩 | 磁控锁 |
US20150201723A1 (en) | 2013-02-01 | 2015-07-23 | Treefrog Developments, Inc. | Encasements for an electronic device having a biometric scanner |
US10407944B2 (en) * | 2016-06-03 | 2019-09-10 | Geerpres, Inc. | Magnetic lock and utility carts including same |
EP3252324A1 (fr) * | 2016-06-03 | 2017-12-06 | Techno-Consult GmbH & Co. KG | Dispositif de blocage destiner a fixer ou verrouiller un element |
US11428027B2 (en) * | 2017-06-16 | 2022-08-30 | Mayapple Baby Llc | Locking mechanism and locking body assembly for magnetic lock, and the magnetic lock |
US11530554B2 (en) * | 2018-02-19 | 2022-12-20 | Dorel Juvenile Group, Inc. | Cabinet security system |
CN108547516B (zh) * | 2018-05-23 | 2024-01-12 | 浦江县新浪锁业有限公司 | 一种锁芯 |
CN109972921B (zh) * | 2019-03-01 | 2023-10-27 | 国网福建省电力有限公司福州供电公司 | 一种户外电力设备用锁具 |
DE102021113601A1 (de) | 2021-05-26 | 2022-12-01 | Hydro Extruded Solutions As | Magnetisches Schließsystem für einen Tür- oder Fenstergriff |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2194469A (en) * | 1935-04-04 | 1940-03-26 | Jules A Fremon | Pin tumbler lock |
JPS4810839B1 (fr) * | 1967-10-19 | 1973-04-07 | ||
DE1921515A1 (de) * | 1969-04-26 | 1970-11-05 | Sievers Fa Carl | Schliessvorrichtung mit magnetischen Zuhaltungen |
DE2123168C3 (de) * | 1971-05-11 | 1973-10-18 | Mrt Magnet-Regeltechnik Gmbh, 2000 Hamburg | Magnetische Sperr und Steuervorrichtung |
US3837195A (en) * | 1973-02-08 | 1974-09-24 | E Pelto | Magnetic pin lock |
US3818732A (en) * | 1973-03-07 | 1974-06-25 | E Wiacek | Cylinder lock construction |
US4380162A (en) * | 1975-01-08 | 1983-04-19 | Woolfson Joseph W | Magnetic lock |
AT340267B (de) * | 1976-01-20 | 1977-12-12 | Evva Werke | Zylindermagnetschloss |
US4022038A (en) * | 1976-02-20 | 1977-05-10 | Engineering Systems Corporation | Magnetically operated locking device and key |
US4333327A (en) * | 1977-03-25 | 1982-06-08 | Miwa Lock Co., Ltd. | Magnetic tumbler lock |
AT385311B (de) * | 1984-10-09 | 1988-03-25 | Evva Werke | Schloss mit zumindest einem magnetrotor |
KR940002628B1 (ko) * | 1990-02-17 | 1994-03-26 | 가부시끼가이샤 도시바 | 환기팬 |
FR2707323B1 (fr) * | 1993-07-07 | 1995-09-08 | Lopez Casals Jesus | Dispositif de verrouillage à commande magnétique. |
US6041628A (en) * | 1999-08-13 | 2000-03-28 | Hua Ye Lin | Magnetic key lock assembly |
-
2003
- 2003-02-17 US US10/544,529 patent/US20070113605A1/en not_active Abandoned
- 2003-02-17 EP EP03816340A patent/EP1601848B1/fr not_active Expired - Lifetime
- 2003-02-17 DE DE2003620316 patent/DE60320316T2/de not_active Expired - Lifetime
- 2003-02-17 CN CNB038259818A patent/CN100549354C/zh not_active Expired - Fee Related
- 2003-02-17 JP JP2004569488A patent/JP4336657B2/ja not_active Expired - Fee Related
- 2003-02-17 AT AT03816340T patent/ATE391820T1/de not_active IP Right Cessation
- 2003-02-17 ES ES03816340T patent/ES2305579T3/es not_active Expired - Lifetime
- 2003-02-17 WO PCT/FR2003/000511 patent/WO2004083574A1/fr active IP Right Grant
- 2003-02-17 AU AU2003226484A patent/AU2003226484A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2004083574A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018162821A1 (fr) | 2017-03-09 | 2018-09-13 | Concepts Et Innovations En Securite Magnetique | Ensemble vis de securite et sa cle de manoeuvre |
Also Published As
Publication number | Publication date |
---|---|
DE60320316T2 (de) | 2009-06-25 |
WO2004083574A1 (fr) | 2004-09-30 |
CN1742145A (zh) | 2006-03-01 |
JP2006514185A (ja) | 2006-04-27 |
JP4336657B2 (ja) | 2009-09-30 |
ATE391820T1 (de) | 2008-04-15 |
CN100549354C (zh) | 2009-10-14 |
DE60320316D1 (de) | 2008-05-21 |
US20070113605A1 (en) | 2007-05-24 |
AU2003226484A1 (en) | 2004-10-11 |
EP1601848B1 (fr) | 2008-04-09 |
ES2305579T3 (es) | 2008-11-01 |
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