EP0278905A1 - Dispositif à contact pour la transmission de signaux électriques entre serrure et clé, application à une serrure à barillet - Google Patents
Dispositif à contact pour la transmission de signaux électriques entre serrure et clé, application à une serrure à barillet Download PDFInfo
- Publication number
- EP0278905A1 EP0278905A1 EP19880810059 EP88810059A EP0278905A1 EP 0278905 A1 EP0278905 A1 EP 0278905A1 EP 19880810059 EP19880810059 EP 19880810059 EP 88810059 A EP88810059 A EP 88810059A EP 0278905 A1 EP0278905 A1 EP 0278905A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- key
- lock
- elements
- rotor
- 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
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
- E05B35/001—Locks for use with special keys or a plurality of keys ; keys therefor with key identifying function
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00944—Details of construction or manufacture
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
- H01H27/06—Key inserted and then turned to effect operation of the switch
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7051—Using a powered device [e.g., motor]
- Y10T70/7062—Electrical type [e.g., solenoid]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7051—Using a powered device [e.g., motor]
- Y10T70/7062—Electrical type [e.g., solenoid]
- Y10T70/7107—And alternately mechanically actuated by a key, dial, etc.
-
- 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
- Y10T70/7441—Key
- Y10T70/778—Operating elements
- Y10T70/7791—Keys
- Y10T70/7802—Multi-part structures
-
- 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
- Y10T70/7441—Key
- Y10T70/778—Operating elements
- Y10T70/7791—Keys
- Y10T70/7881—Bitting
-
- 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
- Y10T70/7441—Key
- Y10T70/778—Operating elements
- Y10T70/7791—Keys
- Y10T70/7904—Magnetic features
Definitions
- the invention relates to a contact device for transmitting electrical signals between the lock and key on a cylinder lock with a stator housing, a rotor arranged in this with mechanical tumblers and a key channel, in which contact elements for signal transmission are present in a partial area, and a key with a Integrated electronic information carrier and contact points arranged on the key bit, in a partial area next to the mechanical coding.
- Cylinder locks of this type are used where the security of the known, purely mechanical cylinder locks no longer meets the requirements and where additional electronic security means are arranged both on the key and on the lock. It is known to equip keys to such cylinder locks with at least one storage element which contains a magnetic or electronic code. A corresponding reading device is located in the lock, which can consist of a simple electronic reading unit or one or more microprocessors. Optical, inductive or mechanical contact elements can be used to transfer the stored data from the key to the lock. Since the key and cylinder lock in such locking devices are exposed to many interfering influences such as dirt, deformation, strong magnetic fields, etc., this often results Malfunctions when using such locks and keys equipped with additional electronic elements. This is particularly true where the stored data is transmitted via optical or inductive contact elements.
- pin tumblers are mounted in a rotor which can be rotated in the stator housing of the cylinder lock. If the key incisions match the penetration depths of the pin tumblers, the mechanical lock between the rotor and the stator housing is released.
- an electronic security system is arranged at the end of the key bit.
- a data carrier ring on the key bit for example in the form of a magnetic strip or with a light or electro-optical dot or strip pattern.
- a read head is arranged in the area of the data carrier on the key, which makes contact-free contact with the transition of information between the key and lock.
- the contact or reading unit decodes the data contained on the key and checks it for agreement with the data stored in the lock. If there is a match, the rotary movement of the rotor is released via an electromagnet and a locking element, and the lock can be opened.
- the number of possible closure variations can be significantly increased by superimposing the electronic system on the mechanical one.
- the system described here is extremely susceptible to malfunction, since foreign parts can accumulate on the data carrier at the key bit and interfere with or even prevent the transfer of data between the key and the lock.
- the data stored on the data carrier at the key bit can be intentionally or unintentionally changed by strong magnetic fields or other external influences. As a result, this lock / key system loses considerable security and is extremely susceptible to failure.
- a lock / key system in which the information is transmitted from the key to the lock via a mechanical contact device.
- an electronic circuit is housed in the key of the key, which contains, among other things, storage units for electronic coding.
- Contact rings which are connected to the electronic circuit, are arranged on the key bit.
- the receptacle housing for the key contains sliding contacts which rest on the contact surfaces on the key bit when the key is fully inserted.
- an electromagnetic Actuated lock arranged, which is controlled by a locking control, such as a microprocessor. If the data stored in the electronics of the key matches the approval conditions in the locking control, this opens the electromagnetic lock.
- a jacket segment is cut out on the stator housing in the area of the contact elements, this section exposes a partial area of the jacket of the rotor and the partial area of the key channel, which serves to accommodate the key bit part with the contact points, in the cutout of the stator housing and
- a guide element made of electrically insulating material for mechanical contact elements is arranged, which are attached to a carrier plate and which engage in the guide element, consist of pairs of wiper springs, the spring elements in the exposed partial area of the rotor shell depending on both sides of the central axis approximately tangentially and without contact with them are created and the carrier plate with the contact elements and the guide element are inserted radially into the stator cutout and are surrounded by the protective sleeve.
- the contact device on the lock consists of a circular segment-shaped guide element on which a printed circuit board and at least two pairs of mechanical contact elements arranged next to one another are present.
- the contact elements are in the installed state in the areas of the lock in which the contact points arranged on the key bit are positioned when the key is inserted.
- the contact elements are connected directly to the circuit board, which results in a very compact design in the area of the guide element. Since the guide element has the shape of a circular ring segment of the stator housing, the unit formed by the guide element with the contact elements and the printed circuit board can be inserted radially into the stator housing. This facilitates the installation and removal of the contact device with at least some of the associated electronic components on the lock.
- contact elements and printed circuit boards can be removed without having to rotate them mechanical elements of the lock, especially the rotor, must be removed.
- a preferred embodiment of the invention is characterized in that the carrier plate is formed from a reinforced printed circuit board and the connecting parts of the contact elements are connected to conductors on the plate. It has also proven to be advantageous that the spring elements of the contact elements are separated in the central region and have two contact points.
- the contact elements which are designed as spring elements, each with a pair of legs forming loop springs, are fixed in their position in the lock or on the guide element via the connection part fastened to the printed circuit board.
- the distance between the individual contact elements corresponds to the distance between the contact points on the key bit.
- One loop spring element of each contact element forms a tangent to an outside diameter of the rotor on both sides of the connection part without touching the rotor, which is ensured by the free guidance of the spring areas of the loop spring elements in the guide element and the shape of the spring areas.
- the position of the contact elements arranged one behind the other in the direction of the axis of the lock is clearly defined in terms of their position due to the fastening of the loop spring elements on the printed circuit board on the one hand and the freely movable guidance of the spring areas in the guide element, but at the same time they only occupy a partial area of the circumference of the rotor.
- the arrangement and shape of the two loop spring elements of each contact element also ensure the exact dimensioning of the contact forces as well as a high level of safety and service life.
- Each of the loop spring elements has several spring areas. Since the loop spring elements are precisely positioned and fixed in their mutual position, can be made wider and separated. The separation takes place by means of a longitudinal slot or the arrangement of two spring elements.
- a preferred embodiment consists in the fact that the grinding springs are arranged in the range of at most 90 ° on both sides of the withdrawal position of the key channel. Since the withdrawal position of the key channel is identical to the position in which the key can be inserted into the lock, it follows that data can be transferred between the key and lock during a maximum 90 ° rotation of the key in both directions.
- the symmetrical design of the loop spring elements on both sides of the key channel ensures the generation of an electrical contact between the lock and key in both directions of rotation.
- the rotor has at least one annular groove in the area of the loop spring elements on the outer casing and there is a space between the loop spring elements and the groove bottom.
- a further preferred embodiment consists in that when the key is completely inserted into the key channel of the rotor, the one narrow side with the contact points of the key protrudes beyond the groove base on the rotor and touches the grinding spring elements during part of the rotary movement of the rotor.
- a further improvement of the contact device can be achieved in that a microswitch is arranged on the carrier plate, this microswitch is switched on in the electrical circuit and one as a switching element Has switching pin, the end of which protrudes into the key channel.
- the microswitch comprises a membrane key which is integrated in the printed circuit board.
- Membrane keyboards are currently used in control panels of machine controls. The combination with a switching pin enables integration into the network of electrical conductors on the circuit board and thus the combination of the essential electrical parts on the circuit board or carrier plate.
- the subject of the invention can be used to control the current sources, in that the switching pin of the microswitch interacts with the key in the region of the rear three quarters of the length of the key bit, which extends from the beginning of the contact area towards the key end.
- the microswitch is thus activated before the key is fully inserted into the lock.
- batteries e.g. by removing the passivation layer in lithium batteries, and other electronic components can be activated before the signal transmission between key and lock begins.
- the microswitch is placed more against the first quarter of the key bit or against the contact area.
- a further advantageous embodiment of the invention is characterized in that in the two contact surfaces between the stator housing and the guide element on the stator housing and / or on the guide element there are parallel guide grooves running approximately at right angles to the rotor axis, and the free ends of the loop spring elements of the contact elements are movably mounted in these grooves are.
- the individual loop spring elements are supported at both ends. This enables a precise measurement of the spring forces in the central area of the sliding spring elements and results in a high level of mechanical safety. Guide element and contact elements can be easily radially into the stator housing without having to intervene in the mechanical part of the lock.
- the free ends of the loop spring elements of the contact elements are provided with an electrically insulating layer and / or the guide grooves are provided with an electrically insulating layer.
- Various known materials such as e.g. Teflon can be used.
- the contact elements have a connection part in the region of the central axis of the lock, the two loop spring elements start from this connection part, and are bent over in the region remote from the connection part and returned to the connection part and in each case to two approximately parallel ones Shaped spring areas, the spring area is directed with the free end of the spring element against the rotor and arranged without contact to the rotor and the free end of each loop spring element is supported on a central web of the guide element.
- the loop spring elements are attached to the circuit board and the spring areas are freely movable in the guides of the guide element.
- the position of the contact elements which are arranged one behind the other in the direction of the axis of the lock are clearly defined in their position, but at the same time only occupy a portion of the circumference of the rotor.
- This arrangement and shape of the two loop spring elements of each contact element ensure the exact dimensioning of the contact forces as well as a high level of safety and service life.
- Each of the loop spring elements has a plurality of spring areas in that it can deflect at the clamping point of the bending point and along the two spring areas running approximately in parallel. This reduces the stress on the material in the individual bending points.
- the bend is a minimum of 160 ° and a maximum of 200 °.
- the contact device according to the invention can be implemented in a compact and miniaturized construction. It can be easily combined with the well-known mechanical lock / key systems and integrated into corresponding cylinder locks. The security of the contact between lock and key is considerably increased by the proposed device compared to the known systems, which results in a significant improvement in the operational security of the mechanical / electronic lock / key system.
- the assembly of corresponding lock units is very simple since the contact device does not comprise any rotating parts. It is also possible to exchange defective contact devices with the associated circuit board parts without interfering with the mechanical part of the lock.
- the cylinder lock 1 shown in Figure 1 is part of a double cylinder lock, which is provided with known mechanical tumblers and also with an electronic security device.
- the cylinder lock 1 essentially consists of a stator 4, a stator housing 3 and a rotor 5 shown in FIG. 2.
- the entire lock is surrounded by an outer casing 11. Further details of the lock / key unit shown in Figure 1 are shown in Figures 2, 3 and 4.
- a flat key 2 inserted into the cylinder lock 1 consists of a ridge 10 and a key bit 7. In the rear area of the key bit 7 there is a contact part 12 on which contact points 8 are located. These contact points 8 are connected to an electronic information carrier 9 via electrical conductors 13.
- the electrical information carrier 9 consists of a microprocessor and / or an application-oriented integrated circuit (ASIC) with one or more memory elements, which can process and recognize electronic information.
- ASIC application-oriented integrated circuit
- These electronic components of the information carrier 9 are installed in the box 10 of the key 2.
- Mechanical tumblers (not shown) are arranged in the area of the key bit 7 in the rotor 5 of the cylinder lock 1, which interact with mechanical codes on the key bit 7. This mechanical closure can be carried out in a known manner, for example according to European Patent No. 8,310.
- the mechanical part of the cylinder lock 1 is released when the correct key 2 is fully inserted into the key channel 6.
- an electromagnetic locking device is also installed, which acts between rotor 5 and stator 4.
- This electromagnetic locking device also includes a carrier plate 14 to which the contact elements 15 are fastened in the form of grinding springs.
- Electronic components 41 are further arranged on the carrier plate 14, which is formed from a printed circuit board, and connected to the contact elements 15 via electrical conductors. Depending on the design of the lock, these electronic components 41 comprise simple electronic parts, memory elements or one or more microprocessors.
- a power source, not shown, is also provided for operating the electronic system.
- the microprocessor of the electronic component 41 in the cylinder lock 1 reads the data from the electronic information carrier 9 on the key 2 and stores new data in this information carrier 9 if necessary.
- the electromagnetic lock (not shown) which is known per se in the cylinder lock 1 is released and the lock can be opened by turning the rotor 5 if the mechanical codes on the key bit 7 are correct at the same time are.
- the data is transmitted from the key 2 to the lock 1 and vice versa via the sliding spring elements 27, 28 in the cylinder lock 1 and via the contact points 8 arranged on the contact part 12 of the key bit 7.
- the carrier or circuit board 14 and the contact elements 15 are arranged in a guide element 16, which consists of a circular ring segment and is inserted at right angles to the lock axis 17 into the jacket segment-shaped cutout 45 on the stator housing 3 and is detachably connected to this housing 3.
- a microswitch 42 is arranged on the carrier or printed circuit board 14.
- This microswitch 42 comprises a membrane key 44 integrated in the printed circuit board 14, which opens or closes the circuit in the cylinder lock 1.
- the membrane key 44 is actuated by means of the key bit 7, which acts on a switching pin 43 when inserted into the key channel 6.
- the switching pin 43 is supported in the stator 4 and is also part of the microswitch 42.
- the section through the cylinder lock 1 in the area of the contact device according to FIG. 2 shows the stator housing 3, the rotor 5 with the key channel 6, the contact part 12 of the key bit 7 and the guide element 16.
- This guide element 16 has a cutout 22 with side grooves 23, 24 in which the carrier or printed circuit board 14 is fastened.
- the contact elements 15 are arranged on the lower side of the carrier or printed circuit board 14.
- Each contact element 15 has a connection part 26 which penetrates the carrier or printed circuit board 14 and is connected on its upper surface to the electrical conductors 25, for example by soldering.
- each contact element 15 consists of two loop spring elements 27, 28, the ends 29, 30 of which are guided in the guide element 16.
- the guide element 16 For guiding the ends 29, 30 of the grinding spring elements 27, 28, the guide element 16 is provided with guide grooves 31 as shown in FIG. These guide grooves 31 are arranged in the support surface 32 of the guide element 16 and run at right angles to the lock axis 17.
- the guide element 16 rests with the surface 32 on the support surface 33 on the stator housing 3 and is detachably connected to it with screws 34, 35.
- the guide element 16 has the shape of a Annular ring segment and is inserted into the corresponding recess 45 on the stator housing 3.
- the contact element 15 according to FIG. 4 has a pair of grinding springs 27, 28. Both loop spring elements 27 and 28 are provided in the middle with a longitudinal slot 36 and divided into two parts which can move independently of one another above the contact area. The ends 29 and 30 of the grinding spring elements 27 and 28 are bent and form sliding areas 37 and 38. These sliding areas 37, 38 are provided with an insulating layer 39, 40, Teflon being used in the example shown. These coatings 39 and 40 serve to electrically isolate the loop spring elements 27, 28 of the contact elements 15 from the guide element 16 and at the same time to ensure the sliding of the loop spring ends 29, 30 in the guide grooves 31.
- the contact element 15 is shaped such that it can be inserted into the cutout 22 on the guide element 16 and the connecting part 26 can be molded out.
- the guide grooves 31 and the contact surface 33 are also provided with appropriate coatings made of Teflon.
- the contact points 8 are arranged on the key 2 on its narrow sides 20 and 21.
- the contact points 8 are formed symmetrically on both narrow sides 20, 21 and are connected in the same way via the electrical conductors 13 to the electronic components 9 in the key 2.
- an annular groove 18 is formed on the rotor 5, as a result of which an annular gap is formed in this area between the rotor 5, the stator housing 3 and the carrier body 16.
- the grinding spring elements 27, 28 of the contact regions 15 are positioned in the upper regions of this annular groove 18. Their position is determined on the one hand by the attachment of the connecting part 26 to the carrier plate 14 and on the other hand by the inevitable guidance of the ends 29, 30 in the guide grooves 31.
- the loop spring elements 27, 28 form tangents to an outer diameter of the rotor 5 on both sides of the connecting part 26 or of the key channel 6 in the pull-off position, wherein they are arranged without contact with the jacket of the rotor 5. There is therefore a gap between the groove bottom 19 on the rotor 5 and the two loop springs 27, 28 of the contact elements 15.
- the dimensions of the contact part 12 with the contact points 8 on the key bit 7 and the groove 18 on the rotor 5 are selected such that the narrow side 20 of the contact part 12 protrudes beyond the groove bottom 19.
- This protrusion is dimensioned such that, in the example shown, the contact points 8 on the narrow side 20 touch one of the sliding springs 27 or 28 when the rotor 5 is rotated and deflect it from its rest position until the desired contact force is reached. This creates the electrical connection between the electronic components 9, 41 in the lock 1 and in the key 2, and data can be transmitted as long as the contact points 8 are connected to one of the wiper springs 27, 28 of the contact elements 15.
- the cylinder lock 1 shown in Figure 5 is in most parts identical to the lock according to Figure 1 and is part of a double cylinder lock, which is provided with known mechanical tumblers and also with an electronic safety device.
- the cylinder lock 1 essentially consists of the stator 4, the stator housing 3 and the rotor 5, which can be seen more clearly in FIG. 6, and is surrounded by an outer casing 11.
- the flat key 2 inserted into the cylinder lock 1 consists of the ridge 10 and the key bit 7. In the rear area of the key bit 7 there is a contact part 12 on which contact points 8 are located. These contact points 8 are connected to an electronic information carrier 9 via electrical conductors 13.
- electrical conductors 13 As in the example according to FIG.
- the electronic information carrier 9 consists of a microprocessor and / or an application-oriented integrated circuit (ASIC) with one or more Storage elements that can process and recognize electronic information. These electronic components of the information carrier 9 are installed in the box 10 of the key 2. Mechanical tumblers, not shown, are arranged in the area of the key bit 7 in the rotor 5 of the cylinder lock 1, which interact with mechanical codings 47 on the key bit 7. This mechanical closure is also carried out in a known manner according to European Patent No. 8,310. The mechanical part of the cylinder lock 1 is released when the correct key 2 is fully inserted into the key channel 6. In the lower part of the cylinder lock 1, an electromagnetic locking device is also installed, which acts between the rotor 5 and the stator 4.
- ASIC application-oriented integrated circuit
- This electromagnetic locking device includes the carrier plate 14, to which the contact elements 55 with the grinding springs 57, 58 are fastened.
- the electronic components 41 are arranged on the carrier plate 14, which is formed from a printed circuit board, and are connected to the connecting parts 56 on the contact elements 55 via electrical conductors. Depending on the design of the lock, these electronic components 41 comprise simple electronic parts, memory elements or one or more microprocessors. A power source, not shown, is also provided for operating the electronic system.
- the microprocessor of the electronic component 41 in the cylinder lock 1 reads the data from the electronic information carrier 9 on the key 2 and stores new data in this information carrier 9 if necessary.
- the electromagnetic lock (not shown) which is known per se in the cylinder lock 1 is released and the lock can be opened by turning the rotor 5 if the mechanical codes on the key bit 7 are correct at the same time are.
- the data is transmitted from the key 2 to the lock 1 and vice versa via the loop spring elements 57, 58 of the contact elements 55 in the cylinder lock 1 and via the contact points 8 arranged on the contact part 12 of the key bit 7
- four contact elements 55 and, accordingly, four contact points 8 are also present on each narrow side 20, 21 of the key bit 7. Both the individual contact elements 55 and the individual contact points 8 are insulated from one another and connected to the corresponding electronic components 9 and 41 via the integrated electrical conductors.
- a guide element 50 is radially inserted into the shell segment 45 cut out in the stator housing 3.
- This guide element 50 is in the form of a segment of a circle and consists of electrically insulating material, e.g. Plastic, and has guide slots for the loop spring elements 57, 58 of the contact elements 55.
- the carrier or circuit board 14 and the contact elements 55 are fastened to the stator housing 3 by means of screws 48, 49.
- the carrier plate 14 with the contact elements 55 like the guide element 50, is inserted into the stator housing 3 at right angles to the lock axis 17 and is detachably connected to this housing 3.
- a microswitch 42 is arranged on the carrier or printed circuit board 14.
- This microswitch 42 comprises a membrane key 44 integrated in the printed circuit board 14, which opens or closes the circuit in the cylinder lock 1.
- the membrane key 44 is actuated by means of the key bit 7, which acts on a switching pin 43 when inserted into the key channel 6.
- the switching pin 43 is supported in the stator 4 and is also part of the microswitch 42.
- the section through the cylinder lock 1 shown as an example in FIG. 5 in the area of the contact device according to FIG. 6 shows the stator housing 3, the rotor 5 with the key channel 6, the contact part 12 of the key bit 7 and the guide element 50.
- the guide element 50 rests on surfaces 33 Stator housing 3 and is fastened with screws 34, 35.
- Electrical conductors 25 are located on the carrier or printed circuit board 14, at least on the upper side. These form the connections to the microswitch 42 and further electronic connection points in the form of printed circuits.
- the contact elements 55 with the grinding springs 57, 58 are arranged on the lower side of the carrier plate 14.
- Each contact element 55 has a connecting part 56, which penetrates the carrier or printed circuit board 14 and is connected on its upper surface to the electrical conductors 25, for example by soldering. Furthermore, the pairs of grinding springs 57, 58 belonging to each contact element are guided in the cutouts 68, 69 in the guide element 50.
- each of the contact elements 55 belonging, for example, according to FIG. 5 has a connecting part 56 and a pair of sliding springs 57, 58 which are arranged on both sides of the connecting part 56.
- the sliding springs 57, 58 each form an angle of approximately 60 ° with the axis 64, the angle being selected such that the springs 57, 58 in the installed state are approximately tangential to the rotary circle formed by contact points 8 on the key 2 run.
- the individual wiper springs 57, 58 each consist of an outer spring region 61 and an inner spring region 62. These two regions 61 and 62 are formed in one piece by the springs in the bending points 59 and 60 being bent through approximately 180 °.
- each loop spring element 57, 58 has a longitudinal slot 36. This creates two contact points on the spring areas 62 which can be moved independently of one another.
- FIG. 8 shows the guide element 50 which is used in the example according to FIG. 5.
- the front part of the wall is cut away.
- This guide element 50 consists of an electrically insulating plastic with good sliding properties.
- the guide element 50 has the shape of a shell segment and is designed in the form of a bridge.
- the two side parts 52 and 53 are arranged on both sides of the central web 51 and have bores 65, 66 for the fastening screws 34, 35.
- the guide element 50 is curved and forms a cavity 67 for the rotor 5.
- guide slots 68, 69 are machined into the side parts 52 and 53. These serve to guide the contact elements 55.
- the contact points 8 are arranged on the key 2 on its narrow sides 20 and 21.
- the contact points 8 are formed symmetrically on both narrow sides 20, 21 and are connected in the same way via the electrical conductors 13 to the electronic components 9 in the key 2.
- an annular groove 18 is formed on the rotor 5, as a result of which an annular gap 18 is formed in this area between the rotor 5, the stator housing 3 and the guide element 50.
- the spring areas 62 of the loop spring elements 57, 58 are positioned in the upper areas of this annular groove 18.
- the grinding spring elements 57, 58 form on both sides of the connecting part 56 or the key channel 6 in the pull-off position tangents to an outer diameter of the rotor 5, wherein they are arranged without contact to the jacket of the rotor 5. There is therefore a gap between the groove bottom 19 on the rotor 5 and the two spring areas 62 of the loop springs 57, 58.
- the dimensions of the contact section 12 with the contact points 8 on the key bit 7 and of the groove 18 on the rotor 5 are selected such that the narrow side 20 of the contact section 12 protrudes beyond the groove bottom 19.
- This protrusion is dimensioned such that in the example shown the contact points 8 on the narrow side 20 touch the spring region 62 of the sliding spring 58 when the rotor 5 is rotated and deflect it from its rest position until the desired contact force is reached. This creates the electrical connection between the electronic components 9, 41 in the lock 1 and in the key 2, and data can be transmitted as long as the contact points 8 are connected to one of the wiper springs 57, 58 of a contact element 55.
- the two exemplary embodiments of the lock 1 shown in FIGS. 1 to 4 and 5 to 8 both have the following advantages.
- the construction according to the invention enables the pre-assembly of the contact elements 15 or 55 on the carrier or printed circuit board 14.
- the guide element 16 is inserted radially into the stator housing 3 together with the carrier plate 14 and the contact elements 15 and attached.
- the guide element 50 and the carrier plate 14 with the contact elements 55 are successively inserted and fastened radially into the stator housing 3. Regardless of the installation of the electrical parts and the contact elements, the entire mechanical part of the cylinder lock 1 can be fully assembled in both exemplary embodiments and tested in advance.
- the manufacturing process of such locks can be considerably simplified and the reject rate is considerably reduced, since the electrical parts can also be checked independently of the mechanical part.
- a further improvement in the contact between the contact elements 15, 55 and the contact points 8 on the key bit 7 is achieved by dividing the grinding springs 27, 28 and 57, 58 into two parts which can move independently of one another. This arrangement enables the error rate to be reduced to the level of the second power. Since the Contact elements 15, 55 can only be brought from the outside to the rotating parts of the rotor 5 and the key 2, the installation and removal of the guide element 16 or 50 with the carrier or circuit board 14 and the contact elements 15 or 55 take place without intervention in the mechanical part of the cylinder lock 1. In order to ensure this accessibility, the sliding spring elements 27, 28 or 57, 58 extend at most over the range of 90 ° on both sides of the withdrawal position of the key channel 6 in the cylinder lock 1.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
- Transmitters (AREA)
- Steroid Compounds (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88810059T ATE67270T1 (de) | 1987-02-09 | 1988-02-02 | Kontakteinrichtung zur uebertragung von elektrischen signalen zwischen schloss und schluessel an einem zylinderschloss. |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH455/87 | 1987-02-09 | ||
CH45587A CH671799A5 (en) | 1987-02-09 | 1987-02-09 | Contact system for electronically coded cylinder lock key |
CH39/88 | 1988-01-07 | ||
CH3988 | 1988-01-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0278905A1 true EP0278905A1 (fr) | 1988-08-17 |
EP0278905B1 EP0278905B1 (fr) | 1991-09-11 |
Family
ID=25683330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19880810059 Expired - Lifetime EP0278905B1 (fr) | 1987-02-09 | 1988-02-02 | Dispositif à contact pour la transmission de signaux électriques entre serrure et clé, application à une serrure à barillet |
Country Status (12)
Country | Link |
---|---|
US (1) | US4924686A (fr) |
EP (1) | EP0278905B1 (fr) |
JP (1) | JP2633942B2 (fr) |
CN (1) | CN1027091C (fr) |
AT (1) | ATE67270T1 (fr) |
CA (1) | CA1303868C (fr) |
DE (1) | DE3864693D1 (fr) |
ES (1) | ES2003323T3 (fr) |
FI (1) | FI87598C (fr) |
GR (2) | GR890300120T1 (fr) |
IL (1) | IL85354A (fr) |
WO (1) | WO1988005854A1 (fr) |
Cited By (6)
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FR2682148A1 (fr) * | 1991-10-07 | 1993-04-09 | Bauer Kaba Ag | Support d'identification pour un systeme de fermeture avec ebauche et partie d'identification susceptible d'y etre rapportee. |
DE4314903A1 (de) * | 1993-05-05 | 1994-11-10 | Winkhaus Fa August | Schloßanordnung |
EP0712981A1 (fr) * | 1994-11-18 | 1996-05-22 | Azbe B. Zubia, S.A. | Serrure à barillet électronique-mécanique |
FR2760590A1 (fr) * | 1997-03-06 | 1998-09-11 | Siemens Ag | Dispositif electronique portable, notamment emetteur pour systeme antivol de vehicule automobile |
EP3431684A1 (fr) * | 2017-07-21 | 2019-01-23 | Cogelec | Serrure électronique |
EP3477026A1 (fr) * | 2017-10-27 | 2019-05-01 | Cogelec | Clef electronique pour une serrure electronique |
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US5092148A (en) * | 1990-08-08 | 1992-03-03 | Rong Long Wang | Pry-proof computerized mechanical lock |
DE4207161A1 (de) * | 1992-03-06 | 1993-09-09 | Winkhaus Fa August | Elektronischer schliesszylinder |
DE9202995U1 (de) * | 1992-03-06 | 1992-06-11 | Aug. Winkhaus GmbH & Co KG, 4404 Telgte | Flachschlüssel |
FI92346C (fi) * | 1992-04-16 | 1994-10-25 | Abloy Security Ltd Oy | Sähkömekaaninen lukkojärjestely |
US5823028A (en) * | 1993-06-08 | 1998-10-20 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Cylinder lock and key device |
US5749253A (en) * | 1994-03-30 | 1998-05-12 | Dallas Semiconductor Corporation | Electrical/mechanical access control systems and methods |
US5526662A (en) * | 1993-12-28 | 1996-06-18 | Duncan Industries Parking Control Systems Corp. | Cashless key and receptacle system |
FR2724685B1 (fr) * | 1994-09-21 | 1996-12-20 | Em Microelectronic Marin Sa | Dispositif d'identification electronique |
US5659291A (en) * | 1994-11-28 | 1997-08-19 | Ford Motor Company | Key-in-ignition lock reminder system |
WO1996028629A1 (fr) * | 1995-03-16 | 1996-09-19 | Medeco Security Locks, Inc. | Appareil universel a utiliser avec des dispositifs de commande d'acces electroniques et/ou mecaniques |
US5642805A (en) * | 1995-10-12 | 1997-07-01 | Tefft; Brian | Input device lock |
DE19644308C2 (de) * | 1996-10-24 | 1998-11-12 | Keso Gmbh | Flachschlüssel |
US5826449A (en) * | 1996-11-12 | 1998-10-27 | The Whitaker Corporation | Electrical ignition key assembly |
AT407175B (de) * | 1997-04-25 | 2001-01-25 | Roto Frank Eisenwaren | Steuervorrichtung |
US6442986B1 (en) | 1998-04-07 | 2002-09-03 | Best Lock Corporation | Electronic token and lock core |
DE19842224C2 (de) * | 1998-09-15 | 2002-10-17 | Siemens Ag | Zündanlaßschaltermodul sowie Verfahren zum Herstellen eines Zündanlaßschaltermoduls |
DE10162201A1 (de) * | 2000-12-20 | 2002-07-11 | Tokai Rika Co Ltd | Schlüsselzylinder und Verfahren zum Zusammenbau eines Schlüsselzylinders |
US7158008B2 (en) * | 2002-03-29 | 2007-01-02 | Datakey Electronincs, Inc. | Electronic key system and method |
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SE528602C2 (sv) * | 2005-06-10 | 2006-12-27 | Assa Ab | Nyckel samt sätt att tillverka sådan nyckel |
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FR2893654B1 (fr) * | 2005-11-18 | 2012-01-13 | Valeo Securite Habitacle | Serrure de securite |
CN101816010A (zh) * | 2007-07-19 | 2010-08-25 | 数据匙电子有限公司 | Rf令牌和接纳器***与方法 |
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US8573500B2 (en) | 2009-01-30 | 2013-11-05 | ATEK Products, LLC. | Data carrier system having a compact footprint and methods of manufacturing the same |
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USD649486S1 (en) | 2009-07-09 | 2011-11-29 | ATEK Products , LLC | Electronic token and data carrier |
CN103527005B (zh) * | 2012-07-03 | 2015-08-05 | 陈炳辉 | 电子锁芯及含有该电子锁芯的电子锁***及开锁方法 |
CN103021056B (zh) * | 2012-12-11 | 2015-10-21 | 奉化市供电局 | 一种读写卡座和电子钥匙 |
CN103741994A (zh) * | 2014-01-02 | 2014-04-23 | 福州市台江区振斌高效电磁聚能科技研究所 | U盾钥匙 |
DE102022127174A1 (de) * | 2022-10-18 | 2024-04-18 | Dormakaba Schweiz Ag | Verfahren zur Inbetriebnahme einer elektro-mechanischen Sperrvorrichtung |
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US3550410A (en) * | 1967-04-19 | 1970-12-29 | Edwin F Toepfer | Indicating cylinder lock mechanism |
US3969584A (en) * | 1975-01-17 | 1976-07-13 | Cecil John Miller | System for recording the actuation of remotely located locking devices |
GB2055951A (en) * | 1980-08-04 | 1981-03-11 | Day H V | Locks |
EP0043145A1 (fr) * | 1980-06-26 | 1982-01-06 | Datakey, Inc. | Clé à mémoire micro-électronique avec logement et systèmes afférents |
US4379966A (en) * | 1981-07-23 | 1983-04-12 | Datakey, Inc. | Receptacle for electronic information key |
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US3347072A (en) * | 1965-06-28 | 1967-10-17 | Bretan H | Electronic solid state lock mechanism |
US3787812A (en) * | 1971-10-20 | 1974-01-22 | Waterbury Pressed Metal Co | Pick-proof lock |
DE2853655A1 (de) * | 1978-12-13 | 1980-07-03 | Egon Gelhard | Zylinderschloss mit schluessel zur mechanischen und/oder elektromechanischen verriegelung |
DE3108476A1 (de) * | 1981-03-06 | 1982-10-07 | Egon 5000 Köln Gelhard | Zylinderschloss mit schluessel zur mechanischen und/oder elektromechanischen verriegelung |
CH665247A5 (de) * | 1984-08-18 | 1988-04-29 | Bauer Kaba Ag | Elektrische kontakteinrichtung an einem schliesszylinder. |
DE3501482A1 (de) * | 1985-01-18 | 1986-07-24 | Egon 5352 Zülpich Gelhard | Einrichtung zur kontaktlosen kopplung der steuerungs- und leistungsstroeme zwischen der elektronik am schliesszylinder und der elektronik im schluessel bei einer elektronisch/mechanischen schliesseinrichtung |
US4849749A (en) * | 1986-02-28 | 1989-07-18 | Honda Lock Manufacturing Co., Ltd. | Electronic lock and key switch having key identifying function |
US4712398A (en) * | 1986-03-21 | 1987-12-15 | Emhart Industries, Inc. | Electronic locking system and key therefor |
-
1988
- 1988-02-02 EP EP19880810059 patent/EP0278905B1/fr not_active Expired - Lifetime
- 1988-02-02 JP JP50127688A patent/JP2633942B2/ja not_active Expired - Lifetime
- 1988-02-02 AT AT88810059T patent/ATE67270T1/de not_active IP Right Cessation
- 1988-02-02 DE DE8888810059T patent/DE3864693D1/de not_active Expired - Fee Related
- 1988-02-02 WO PCT/CH1988/000026 patent/WO1988005854A1/fr active IP Right Grant
- 1988-02-02 ES ES88810059T patent/ES2003323T3/es not_active Expired - Lifetime
- 1988-02-02 US US07/279,155 patent/US4924686A/en not_active Expired - Fee Related
- 1988-02-08 IL IL8535488A patent/IL85354A/xx not_active IP Right Cessation
- 1988-02-08 CA CA 558345 patent/CA1303868C/fr not_active Expired - Fee Related
- 1988-02-08 CN CN88100778A patent/CN1027091C/zh not_active Expired - Fee Related
- 1988-10-07 FI FI884632A patent/FI87598C/fi not_active IP Right Cessation
-
1990
- 1990-01-19 GR GR89300120T patent/GR890300120T1/el unknown
-
1991
- 1991-09-12 GR GR91400800T patent/GR3002694T3/el unknown
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Publication number | Priority date | Publication date | Assignee | Title |
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US3550410A (en) * | 1967-04-19 | 1970-12-29 | Edwin F Toepfer | Indicating cylinder lock mechanism |
US3969584A (en) * | 1975-01-17 | 1976-07-13 | Cecil John Miller | System for recording the actuation of remotely located locking devices |
EP0043145A1 (fr) * | 1980-06-26 | 1982-01-06 | Datakey, Inc. | Clé à mémoire micro-électronique avec logement et systèmes afférents |
GB2055951A (en) * | 1980-08-04 | 1981-03-11 | Day H V | Locks |
US4379966A (en) * | 1981-07-23 | 1983-04-12 | Datakey, Inc. | Receptacle for electronic information key |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2682148A1 (fr) * | 1991-10-07 | 1993-04-09 | Bauer Kaba Ag | Support d'identification pour un systeme de fermeture avec ebauche et partie d'identification susceptible d'y etre rapportee. |
BE1008192A5 (fr) * | 1991-10-07 | 1996-02-13 | Bauer Kaba Ag | Support d'identification pour un systeme de fermeture avec ebauche et partie d'identification susceptible d'y etre rapportee. |
ES2088709A1 (es) * | 1991-10-07 | 1996-08-16 | Bauer Kaba Ag | Soporte de identificacion para un sistema de cierre. |
DE4314903A1 (de) * | 1993-05-05 | 1994-11-10 | Winkhaus Fa August | Schloßanordnung |
EP0712981A1 (fr) * | 1994-11-18 | 1996-05-22 | Azbe B. Zubia, S.A. | Serrure à barillet électronique-mécanique |
ES2106668A1 (es) * | 1994-11-18 | 1997-11-01 | Azbe B Zubia S A | Perfeccionamientos introducidos en cilindros de cierre electronicomecanico. |
FR2760590A1 (fr) * | 1997-03-06 | 1998-09-11 | Siemens Ag | Dispositif electronique portable, notamment emetteur pour systeme antivol de vehicule automobile |
EP3431684A1 (fr) * | 2017-07-21 | 2019-01-23 | Cogelec | Serrure électronique |
FR3069268A1 (fr) * | 2017-07-21 | 2019-01-25 | Cogelec | Serrure electronique |
EP3477026A1 (fr) * | 2017-10-27 | 2019-05-01 | Cogelec | Clef electronique pour une serrure electronique |
FR3072989A1 (fr) * | 2017-10-27 | 2019-05-03 | Cogelec | Clef electronique pour une serrure electronique |
Also Published As
Publication number | Publication date |
---|---|
US4924686A (en) | 1990-05-15 |
ES2003323T3 (es) | 1992-04-01 |
IL85354A (en) | 1990-11-05 |
JP2633942B2 (ja) | 1997-07-23 |
IL85354A0 (en) | 1988-07-31 |
DE3864693D1 (de) | 1991-10-17 |
GR890300120T1 (en) | 1990-01-19 |
CN1027091C (zh) | 1994-12-21 |
WO1988005854A1 (fr) | 1988-08-11 |
ATE67270T1 (de) | 1991-09-15 |
GR3002694T3 (en) | 1993-01-25 |
CA1303868C (fr) | 1992-06-23 |
ES2003323A4 (es) | 1988-11-01 |
JPH01502281A (ja) | 1989-08-10 |
FI884632A (fi) | 1988-10-07 |
EP0278905B1 (fr) | 1991-09-11 |
FI884632A0 (fi) | 1988-10-07 |
CN88100778A (zh) | 1988-08-24 |
FI87598C (fi) | 1993-01-25 |
FI87598B (fi) | 1992-10-15 |
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