EP3699375B1 - Hohles sicherungselement, schloss mit dem sicherungselement, verfahren zum herstellen eines sicherungselements, verfahren zum herstellen des schlosses und verfahren zum behindern eines diebstahlversuchs - Google Patents

Hohles sicherungselement, schloss mit dem sicherungselement, verfahren zum herstellen eines sicherungselements, verfahren zum herstellen des schlosses und verfahren zum behindern eines diebstahlversuchs Download PDF

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Publication number
EP3699375B1
EP3699375B1 EP19216614.8A EP19216614A EP3699375B1 EP 3699375 B1 EP3699375 B1 EP 3699375B1 EP 19216614 A EP19216614 A EP 19216614A EP 3699375 B1 EP3699375 B1 EP 3699375B1
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EP
European Patent Office
Prior art keywords
securing element
filling
locking device
locking
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.)
Active
Application number
EP19216614.8A
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German (de)
English (en)
French (fr)
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EP3699375A1 (de
EP3699375C0 (de
Inventor
Achmed Großer
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Grosser Achmed
Wirth Sebastian
Original Assignee
Wirth Sebastian
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Publication of EP3699375A1 publication Critical patent/EP3699375A1/de
Application granted granted Critical
Publication of EP3699375B1 publication Critical patent/EP3699375B1/de
Publication of EP3699375C0 publication Critical patent/EP3699375C0/de
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Classifications

    • 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
    • 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
    • E05B67/063—Padlocks with removable shackles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B71/00—Locks specially adapted for bicycles, other than padlocks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B45/00—Alarm locks
    • E05B45/005—Chain-locks, cable-locks or padlocks with alarms

Definitions

  • the invention relates to a hollow securing element, for example a clip.
  • the invention further relates to a lock, for example a padlock or a bicycle lock, with the security element and a locking device.
  • the invention also relates to a method for manufacturing the security element and a method for manufacturing the lock.
  • the invention also relates to and a method for impeding a theft attempt.
  • a lock as an anti-theft device is used in a wide variety of designs to secure objects such as bicycles or other movable objects.
  • a lock as a padlock as is the case, for example, in the DE 100 34 172 A1 is described, is used to close simple closures, such as cellar doors, lockers, tool boxes, garden fences, shutters, chests, etc. All these locks are equipped with a security element, such as a bracket.
  • the DE 20 2008 016 698 U1 an anti-theft device for bicycles, in which the security element and the locking device have a common cavity with a signal medium arranged therein.
  • the signal medium emerges when the cavity is opened.
  • a break-in or destruction of the anti-theft device is immediately recognizable by the emerging signal medium.
  • the signal medium is an insoluble or difficult-to-remove dye that gets onto the objects to be protected and marks them if the anti-theft device is destroyed. Stolen objects are thus easily recognizable.
  • An overpressure or a negative pressure is provided in the cavity, as a result of which the signal medium escapes explosively when the cavity is damaged or opened and is distributed over a large area.
  • a safety device for bicycles in which one end is fixedly attached to the lock body.
  • a signaling device (blanket primer, chemical reaction capsule) is activated by a trigger wire inside the security device when a theft attempt is made.
  • WO 2017/152100 A1 is a rigid bicycle lock with a hollow U-shaped tube as a security element (lock shackle) and a locking device, both pressurized with a chemical substance to prevent theft. In the event of an attempted theft, this chemical substance escapes and causes visual impairment, shortness of breath or unwanted bodily reflexes such as vomiting etc. in the potential thief.
  • An insert is attached to each of the two ends of the fuse element. Each insert is shaped at the outer end to fit into a corresponding opening of the closure device to be locked in place by a locking mechanism.
  • FIG 5 this description shows the figure 5 the WO 2017/152100 A1 . In the figure 5 one of the two inserts 306 and one end of the tube 202 is shown in perspective sectional view.
  • Each insert 306 has a recess 504 which is press fitted or threaded to a tapered end 502 of the tube 202 and combined with a welding or adhesive operation to ensure a permanent, strong and fluid tight connection.
  • Each insert 306 forms a check valve with a coil spring 512, a valve ball 510 and a press-fit retaining insert 508.
  • the check valve is an integral part of the insert and leads to a hole 506 through which the tube 202 is filled with the chemical substance. Once tube 202 is filled, hole 506 is permanently sealed.
  • the filling takes place automatically and during the manufacturing process.
  • the lock shackle is fixed in a special device for this purpose. Only with such a fixation can the filling be done by primitive connections such as a press fit.
  • the means of protection used are highly aggressive and sometimes dangerous. Therefore, the refilling of the protective agent (signal medium or chemical substance) has not been provided so far.
  • the lock over a long period of time, for example several years or decades, inevitably leads to part or all of the pressure of the protective agent escaping from the cavity. So the lock loses its additional protective function or at least the function of the sudden escape of the protective agent. Even if you wanted to refill the lock manually, there would be no refilling access in the tube.
  • both ends of the security element are always terminated with the complex and special insert.
  • These inserts are recessed for closure, with very little tubing between the recess and cavity. This pipe material is further reduced by frequent opening/closing, so that there is a risk that the cavity will be opened unintentionally during a closing process and the user will come into contact with the protective means.
  • the ends of the securing element are either solid and/or they are completely free of the protective means due to the positioning of the closures of the cavity. If the security element were to be destroyed in an area close to one of the ends, no protective agent would escape and the lock would not achieve the desired effect (release of the protective agent).
  • the object of the present invention is to provide a security element that is filled with a protective agent—which is under pressure—and that reliably prevents or at least adequately hinders an attempted theft.
  • the security element should be easy to produce and refillable quickly and easily.
  • a user should always be safe from avoiding protective agents.
  • the cavity for the protective means should be maximized so that the materials for the security element no longer have to meet the high stability requirements and can therefore become more cost-effective.
  • the object is achieved by a hollow securing element having a locking end arranged for temporary locking in a locking device in dependence on a locking mechanism of the locking device; a filling end set up for at least temporarily storing the securing element in the locking device; a cavity arranged between the closing end and the filling end, in which a pressurized fluid is introduced as a protective means, the cavity at the filling end being closed off by a filling valve at the filling end for introducing the fluid into the cavity, i.e. at least is lockable at the time the fluid is introduced into the cavity, and wherein the filling end has a threaded insert for fixing the filling valve to the filling end.
  • a lock preferably a padlock or a bicycle lock, which has a security element according to one of the preceding types and a locking device with a locking mechanism, with a locking end of the security element in the locking device depending on the locking mechanism of the locking device can be locked and wherein a filling end of the securing element is mounted in the locking device.
  • the types of lock possible for the security element according to the invention are diverse, for example a padlock, a brake disc lock, a bicycle lock, a bolt lock, a round shackle lock, a folding lock, etc. can be equipped with the security element according to the invention.
  • the securing element is hollow and in particular a hollow bracket or a hollow tube.
  • the securing element has a locking end which is adapted to be temporarily locked into a locking device in response to a locking mechanism of the locking device.
  • the locking mechanism includes at least two states: "open” and "closed”. A change of status is made possible, for example, by a removable lock-specific key or by setting a correct combination of numbers or a suitable biometric feature. Locking the locking end in the locking device causes the securing element to be held in place in the locking device until the status of the locking mechanism changes again to the “open” status.
  • the locking device includes the locking mechanism.
  • the status of the locking mechanism can be changed using a lock-specific key, a combination of numbers, spring-loaded magnets, radio signals, electromechanics, a motor drive, etc.
  • the securing element also has a filling end which is set up for at least temporarily storing the securing element in the locking device.
  • Mechanical restraint is generally defined as reducing degrees of freedom of movement.
  • Storage can preferably also include locking.
  • a storage mechanism in the closing device is set up to store the filling end in the closing device. The end of filling is prevented from moving axially, for example, or the axial movement is only permitted for a predefined path.
  • the securing element is in particular prevented from being removed (removed) from the locking device.
  • turning (rotating) of the securing element within the locking device is not prevented by being stored in the locking device. Storing the filling end in the closing device protects the filling end from environmental influences and unwanted venting of the cavity of the fuse element.
  • Storage is permanent, for example.
  • a storage mechanism within the locking device can therefore only have one state (in stock). After the security element has been installed, it cannot be permanently removed from the locking device without the locking device being destroyed. Such a mechanism is made possible, for example, by clicking the securing element once into a corresponding holder in the locking device.
  • Storage is, for example, temporary.
  • a storage mechanism within the locking device can have two states, namely "stocked” and "not stocked".
  • a change of states is carried out, for example, by a lock-type-specific tool.
  • the tool is not specific to a lock, for example an ironing tool.
  • the storage mechanism is set to "storage"
  • the securing element cannot be removed from the locking device.
  • the filling end is inside the closing device and is not freely accessible. The filling end is thus additionally protected from environmental influences in the "stored” state and fluid is prevented from escaping from the securing element.
  • the storage mechanism is set to "non-storage"
  • the securing element can be removed from the locking device. In this way, the filling end of the fuse element is freely accessible.
  • the security element can thus be filled/refilled at the end of the filling process. This filling can take place at fixed time intervals or after the fuse element has been repaired.
  • the locking device can be of a conventional type and is, for example, a self-contained assembly.
  • the securing element can have a standardized shape in order to be positioned in a conventional locking device as simply as possible. The installation of the security element can be done without great effort, since it is a separate self-contained assembly.
  • the securing element comprises a cavity arranged between the closing end and the filling end, in which a pressurized fluid is introduced as a protective means.
  • the cavity is closed.
  • the fluid located in the cavity and under pressure cannot escape to the outside. For example, it is airtight or fluid-tight. If the cavity is opened by force, the fluid is released.
  • the pressurized fluid escapes immediately and quickly, particularly explosively.
  • the cavity ends in front of the closing end inside the fuse element. This ensures that the closing end is permanently closed, and any end caps or inserts can be dispensed with.
  • a fluid is a liquid or a gas.
  • a pressurized fluid is a fluid which has been introduced into the cavity of the fuse element at a pressure which is significantly higher than normal pressure, ie atmospheric pressure (1 bar), ie for example 2 bar, preferably 5 bar, more preferably 12 bar. Inside the cavity, the fluid preferably has a pressure of between 3 bar and 8 bar in order to ensure effective outflow. This lower limit of 3 bar enables a reliable escape if the cavity is opened without permission, for example if the security element is damaged by mechanical force. This upper limit of 8 bar makes it possible to comply with safety regulations (no unwanted leakage) during filling and/or refilling and reduces the material and tightness requirements for the safety element.
  • the fluid remains in the cavity as intended without any significant loss of pressure, unless the cavity is opened again. If the cavity is opened without authorization, for example if the outer shell is damaged (severing, cutting through, clipping, sawing open) of the security element during an attempted theft, the fluid escapes quickly and reliably, for example explosively, leaving the immediate environment and the thief with the fluid, i.e the protective agent, are wetted.
  • a sufficient distance is preferably provided between the closing end and the cavity.
  • the fuse element consists of solid material without a cavity.
  • the sufficient distance is, for example, at least as large as the diameter of the security element. In this way, a sufficiently stable locking end is obtained, which has a stably sealed cavity even after a large number of locking processes—in which the securing element is inserted into a corresponding opening of the locking device.
  • the cavity is closed off at the filling end by a filling valve for introducing the fluid into the cavity, ie it can be closed off at least for the time when the fluid is introduced into the cavity (filling or refilling).
  • the filling valve is arranged at the filling end and serves to close a filling hole inside the filling end by the pressure inside the cavity at least for the period of time the fluid is being introduced or also permanently until the next time the fluid is introduced.
  • the filling valve is, for example, a check valve, in particular a ball check valve or a disk check valve. Such valves are hermetically sealed in the blocked direction.
  • the ball check valve consists of a constriction that is closed by a ball. The ball is raised by a spring the constriction is pressed and thus closes the passage.
  • the fluid can therefore not get out of the cavity through the filling end when it is closed.
  • a spring ensures that the valve is blocked.
  • the sealing body is designed in the form of a flat plate or dish. A bolt or pin is used for guidance.
  • the filling end of the securing element has a thread, for example a threaded insert, for fixing the filling valve on the filling end.
  • the valve is preferably not an integral part of the securing element or the filling end, but rather a separate component.
  • the valve can therefore have its own housing.
  • the valve is connected (fixed) to the fuse element during manufacture.
  • the fixing is preferably permanent.
  • An additional, non-detachable connection between the filling end and the valve can also be produced, for example, by means of an adhesive and/or welded connection.
  • the filling end can be made significantly less complex. Only a thread is to be provided into which the valve is screwed.
  • the valve has an external thread corresponding to the thread of the filling end, for example on its housing.
  • a fluid under pressure is pressed against the valve and thus, for example, against the ball or the plate. If the force of the fluid exerted by the pressure exceeds the force of the spring in the valve, the fluid flows through the filling hole of the filling end into the cavity of the securing element.
  • a hollow needle of a container is placed on the valve or an element (mechanism) opens the valve. The container holds the fluid. By means of a propellant or by pressurizing the fluid, the fluid flows out of the container in the direction of the valve when actuated by the hollow needle or due to the element (mechanism).
  • a refilling of the cavity is made possible by the securing element according to the invention.
  • the filling end is protected from environmental influences and the fluid is prevented from escaping when the security element is used as intended (opening/closing to secure movable objects or simple closures).
  • the closing end is designed in such a way that even with frequent opening/closing there is no risk of the cavity being unintentionally opened during a closing process. The configurations of the closing end and the filling end therefore ensure that the user does not come into contact with the substance in an unintentional manner.
  • the closing end and/or the filling end is an integral part of the securing element. It therefore consists of the same material as the securing element and does not have to be connected to the safety element separately. This saves an additional connection and eliminates a weak point in the fuse element, which is not negligible due to the pressurized cavity. The stability of the security element is increased and the complexity is reduced, as a result of which production costs can be saved.
  • the closing end has a notch into which the locking mechanism of the locking device can engage for temporary locking in the locking device depending on the locking mechanism of the locking device.
  • the notch is preferably in an area of the fuse element in which the cavity is not arranged.
  • the distance from the notch to the cavity is preferably at least as large as the cross section of the fuse element. In this way, the locking mechanism does not impair the security that the fluid can escape from the cavity in an undesired manner due to high stress on the securing element.
  • the filling end has a notch or taper, into which a bearing mechanism of the locking device can engage for supporting the securing element in the locking device.
  • the protection means preferably comprises one of the following means: flue gas; tear gas or tear gas; tear or irritant fluid; ammonia with sulfur; iron sulfide with hydrochloric acid; butyric acid; signal color; and/or artificial DNA.
  • the protective means preferably has a propellant in order to be able to be introduced into the cavity.
  • the propellant is a non-combustible propellant, for example carbon dioxide.
  • a propellant is thus used in which there is no risk of explosion if the security element is cut open without permission, for example as a result of flying sparks when using a battery-operated cut-off grinder.
  • the fluid is a mixture of three of the following components.
  • a first component is a non-hazardous long-lasting dye (signal color, ink) to mark a perpetrator, his tools and the potential stolen goods over a longer period of time.
  • a second component is an artificial DNA in order to be able to convict the marked offender of the crime committed without any doubt.
  • a third component is a non-hazardous malodorous liquid, such as a natural or food-grade liquid, which forces the perpetrator to leave the crime scene as an unpleasant-smelling place.
  • the fluid is a mixture of the first component mentioned with the third component.
  • the securing element is preferably a rigid bracket made of metal. This creates a solid fuse element in which the cavity is guaranteed to remain closed and the fluid only escapes if the fuse element is damaged or destroyed.
  • the securing element is preferably a flexible hose which, for example, is covered with a braid or consists of a braid.
  • This mesh is preferably made of a robust material such as metal, plastic, Kevlar or carbon.
  • the use of a protective means introduced in the cavity of the security element makes it possible to use less expensive materials as the security element.
  • the materials used can also be glass, wood or other suitable materials of the time. Specially hardened materials, such as steel, etc., can be completely dispensed with, for example, because the thief is not deterred from theft by resistant materials, but by the escaping protective agent.
  • an end piece is arranged at the filling end in a detachably connected manner with the safety element for closing the cavity.
  • a solid, one-piece element can serve as the end piece, for example a stopper, a stopper or a correspondingly similar closure. The end piece closes the hollow securing element and thus prevents the fluid from escaping.
  • the end piece of the inflation end is preferably detachably connected to the securing element using the thread of the inflation end.
  • the thread of the filling end is provided with a dual function on the one hand for fixing the thread and on the other hand for closing the securing element by the end piece.
  • the thread has a length which corresponds approximately to at least the sum of the length of an external thread of the filling valve and the length of an external thread of the end piece for the filling end.
  • the above-mentioned taper or notch for locking the securing element in a locking mechanism is preferably arranged between the outermost end of the end piece of the filling end and the external thread.
  • the end piece of the filling end has a cavity which is part of the cavity of the security element when the end piece is connected to the security element.
  • the hollow space continues to its outermost end, and separating the outer shell of the securing element in the region of the filling end also leads to the fluid escaping immediately.
  • an element is preferably provided on the end piece, which element opens the filling valve for introducing the fluid into the cavity of the end piece.
  • the element is, for example, a mechanical pin or bolt that opens the valve when the end piece is placed at the filling end.
  • the filling channel is opened again by the element and remains open until the end piece is removed from the securing element again.
  • the opened filling channel allows a small part of the fluid to flow back into the cavity of the end piece.
  • the cavity preferably runs up to the above-mentioned taper or indentation, designed for the above-described at least temporary storage of the securing element in the locking device.
  • the use of the end piece is particularly advantageous for very small lock shackles, for example padlocks, in order to create a large cavity for these small lock shackles as well.
  • a valve adapter is arranged at the filling end.
  • This valve adapter has an external thread with which it can be detachably fixed to the thread of the filling end.
  • the valve adapter preferably also has an internal thread for fixing the filling valve in the valve adapter.
  • the valve adapter is preferably used in order to be able to use a standard valve despite different sizes of securing elements, in particular different diameters. This increases the flexibility in the production of fuse elements of different designs and sizes.
  • valve adapter can also have a taper, as a result of which the valve adapter can at least partially engage in a cavity of the end piece.
  • a thread can be provided on the outside of the taper that can engage in an internal thread of the end piece. This enables a compact structure and a stable closure of the security element.
  • An end piece connected to the securing element for closing the cavity is arranged at the closing end.
  • a solid, one-piece element can serve as the end piece, for example a stopper, a stopper or a correspondingly similar closure.
  • the end piece closes the hollow safety element at the closing end and thus prevents the fluid from escaping.
  • the end piece of the closing end is non-releasably connected to the securing element, for example permanently connected by means of a joining process (welding).
  • a joining process welding
  • an adhesive method can also be used to permanently connect the security element and the end piece of the locking end.
  • the aforesaid taper or indentation for the above-described temporary locking in a locking device depending on a locking mechanism of the locking device is arranged between the outermost end of the end piece of the locking end and the external thread.
  • the tail of the locking end is releasably connected to the securing element using threads of the locking end.
  • the terminus of the closing end has a cavity which is part of the cavity of the security element when the terminus of the closing end is connected to the security element.
  • the hollow space continues to its outermost end and forcibly separating the outer casing of the securing element in the area of the closing end also leads to the fluid escaping immediately.
  • the cavity of the end piece of the locking end runs up to the above-mentioned taper or notch for locking the securing element in a locking mechanism.
  • the use of the end piece or end pieces is advantageous, particularly with very small lock shackles, for example padlocks, in order to also to create a large cavity for these small lock shackles.
  • the stated object is also achieved by a method for producing a fuse element according to the preceding type with the following method steps: providing a hollow fuse element blank; introducing a thread into at least one open end of the fuse element blank; fixing a filling valve to an open end of the fuse element blank by means of the thread; shaping the fuse element blank to obtain a final shape corresponding to the final shape of the fuse element; and filling the cavity of the fuse element blank with a pressurized fluid as a protective agent at the filling valve, the filling valve automatically closing off the cavity after filling is completed.
  • a hollow fuse element blank is provided by drilling a hole along a longitudinal direction of an elongate solid fuse element blank to obtain a cavity without piercing the fuse element blank.
  • the drilling step has the effect of setting a distance between closing end and cavity which is sufficiently large, preferably larger than the diameter of the resulting fuse element.
  • a hollow fuse element blank is provided by producing an elongate hollow body, in particular a tube, which is open at both opposite ends.
  • a hollow fuse element blank is provided by producing an elongate hollow body, in particular a tube, which is open at both opposite ends.
  • Both ends of the solid shackle are severed and are shaped according to the locking end and filling end end pieces described above. Alternatively, the end pieces are manufactured separately.
  • the described threads and cavities are introduced.
  • the end piece of the filling end is then arranged on the security element.
  • the tail of the closing end is placed on the security element.
  • the arrangement of the end piece or end pieces can be mechanically detachably or mechanically non-detachably connected to the security element by screwing, welding or gluing.
  • the process steps can also be interchanged with one another, so the shaping step can also take place before the fixing step and/or the introduction step.
  • the forming step can also occur after the filling step.
  • the stated object is also achieved by a method for producing a lock according to one of the preceding types using a security element according to one of the preceding types with the following method steps: introducing the filling end into a locking device; and storing the filling end by activating a storage mechanism of the closure device.
  • the introduction into the closure device preferably also includes the presence of a corresponding opening in the closure device.
  • the stated object is also achieved by a method for preventing an attempted theft with a lock of the above type, with a pressurized fluid escaping from the interior of the security element as a protective agent when the cavity is opened without permission.
  • the fluid is introduced as a protective agent and serves to develop an additional protective effect when escaping, which prevents the attempted theft or makes it very difficult (hindered) in order to protect the object to be secured even better.
  • the protective agent comprises suitable gases or liquids containing, for example, malodorous substances, signal colors, irritant substances and/or artificial DNA.
  • gases or liquids containing, for example, malodorous substances, signal colors, irritant substances and/or artificial DNA.
  • a two-component or a three-component mixture as described above is preferred.
  • Such a lock or security element has a number of advantages. On the one hand, it is sufficiently robust to keep the fluid in the cavity when used as intended. This increases the security that the user can use the lock without running the risk of coming into contact with the possibly aggressive protective agent. In addition, the structure and manufacture are much simpler. Elaborate inserts to close off the cavity can be omitted.
  • the pressure of the fluid causes the fluid to flow out quickly, for example explosively, which frightens the thief without injuring him.
  • the fluid is a protective agent, which develops a protective effect when it exits the cavity and, for example, marks the thief (signal color, artificial DNA) and/or at least hinders it (irritant gas, foul-smelling liquid, smoke).
  • a first fluid may mark the thief (signal color, artificial DNA) and another fluid hinders the thief (irritant gas, smoke).
  • the securing element can be attached (assembled) to the locking device in the filled state.
  • the cavity can be (re)filled within defined waiting cycles by means of the valve.
  • a pressure sensor can also be arranged in the cavity, with the pressure sensor detecting a drop in pressure in the cavity and reporting it to an alarm device.
  • the pressure sensor is preferably self-sufficient in terms of energy and transmits the detection signal.
  • the detection signal is preferably sent directly via a digital interface as a message to a mobile phone, a security guard or to the police, stating the location of the break-in.
  • the escape of the fluid is detected by means of a pressure sensor and is reported via a digital interface of the pressure sensor.
  • the energy released as a result of the fluid escaping will charge an energy store in the pressure sensor, which then supplies the pressure sensor with energy in order to send the report using the digital interface.
  • the pressure sensor has a battery to send the report via the digital interface.
  • the pressure sensor can communicate with a cellular network via its own subscriber identifier.
  • the security element according to the invention can be positioned in a conventional (standardized) locking device with just a few manipulations.
  • the security element provides a surprise effect that will cause the thief to retreat. Even if a thief has already attempted to steal such a security element, he remains uncertain as to which protection means the currently attacked security element is filled with. Possibly carrying protective clothing or a gas mask are rather conspicuous and, as an additional burden, are a hindrance for every thief.
  • the security element has a deterrent effect on the potential thief.
  • a connection to other security and notification systems can be established as a result of a pressure drop signal.
  • the notification can be sent digitally to the owner, the operator or the user as well as to the security guard or the police.
  • FIGS. 1a-b Two different exemplary embodiments of security elements 2 according to the invention are shown in FIGS. 1a-b.
  • a security element 2 for a lock 1 is shown, here a U-lock 1 as an example of a bicycle lock.
  • a security element 2 for another lock 1 is shown, here a padlock.
  • the locking devices 3 are only indicated here and are not part of the securing elements 2 of FIGS. 1a-b. A more detailed description of the locking device 3 is on the 3 referred. The following description applies to both fuse elements 2 of Figures 1a and 1b equally.
  • the securing element 2 is a rigid bracket which has a cavity 23 .
  • a fluid 4 is introduced into the cavity 23 as a protective agent.
  • the fuse element 2 has two ends, a closing end 21 at a first end of the fuse element 2 and a filling end 22 at a second end of the fuse element 2 remote from the first end.
  • the closing end 21 is an integral part of the fuse element 2.
  • the fuse element 2 has been created from a solid fuse element blank into which the cavity 23 has been introduced (see FIG Figure 4a ).
  • a distance 212 between the closing end 21 and the cavity 23 is at least as large as the diameter of the fuse element 2.
  • the closing end 21 has a notch. This notch is used to temporarily lock the closing end 21 in a locking device 3 of the lock 1 .
  • the notch is located between the closing end 21 and the cavity 23 .
  • a distance between the notch and the closing end 21 is at least as large as the diameter of the fuse element 2.
  • a distance between the notch and the cavity 23 is at least as large as the diameter of the fuse element 2.
  • the closing end 22 can be moved neither in the axial direction of movement 10 nor in the rotary movement 11 when the closing mechanism of the closing device 3 is activated.
  • the securing element 3 is anchored in the locking device 3 and no end 21, 22 of the securing element 2 can be removed from the locking device 3.
  • the filling end 22 at the second end of the securing element 2 remote from the closing end 21 is also an integral part of the securing element 2.
  • the cavity 23 is connected to the filling end 22 through a filling valve at the filling end 22 for introducing the fluid 4 into the cavity 23 completed.
  • the filling end 22 has a thread, in particular a threaded insert, for fixing the filling valve to the filling end 22 .
  • the filling end 22 is mounted at least temporarily in the locking device 3 of the securing element 2 .
  • the filling end 22 can therefore be inhibited or blocked in its axial direction of movement 10 when the bearing mechanism of the closing device 3 is activated, so that the securing element 3 cannot be removed from the closing device 3 .
  • the filling end 22 is, for example, an integral part of the fuse element 3.
  • the fuse element 2 was created from a solid fuse element blank, in which the valve for closing off the cavity 23 was fixed (see FIG Figure 4b ).
  • FIG. 2a-b showed various theft scenarios in which the security element 2 according to the invention in FIGS. 1a-b is destroyed when it is integrated in a lock 1.
  • Lock 1 is in Figure 2a a padlock and has a locking device whose locking mechanism is in the Fig. 2a-b is in the "closed" state.
  • Figure 2a is a tool 5, bolt cutters here, shown. If an attempt is made to forcibly open the cavity 23 of the security element 2 of the lock 1 using the tool 5, the fluid 4 under pressure will escape explosively as a protective agent. This hinders or even prevents the attempted theft.
  • the lock 1 according to Figure 2b is a padlock and has a locking device 3 whose locking mechanism is in the "closed” state and whose storage mechanism is in the "stored” state.
  • the cavity 23 is forcibly opened, whereby the fluid 4 under pressure escapes explosively as a protective agent. This hinders or even prevents the attempted theft.
  • FIGS. 1a-b and 2a-b show a basic representation of a lock 1 with the security element 2 according to the invention according to FIGS. 1a-b and 2a-b, which is mounted in a locking device 3 but not locked.
  • the securing element 2 can be moved in the direction of movement 11, but it can only partially move in the direction of movement 10.
  • the closing end 21 is inserted into an opening (not shown) of the closing device 3 and is completely inside the closing device 3.
  • the closing end 21 has the notch 211 on.
  • the locking mechanism 31 has two states. Shown in 3 is the state "open", because the engageable in the notch 211 bolt of the locking mechanism 31 does not engage in the notch 211.
  • the securing element 3 is not prevented from having its closing end 21 removed from an opening in the closing device 3 .
  • the lock 1 In the open state of the locking mechanism 31, the lock 1 can be placed on the object since the direction of movement 11 is not blocked and an axial movement 10 is also only partially blocked.
  • the locking mechanism 31 has a second state "closed” (not shown in 3 ), in which the direction of movement 11 is blocked and an axial movement 10 is almost completely prevented.
  • a lock-specific key 9 is provided for changing the state of the locking mechanism 31 .
  • This key 9 causes a movement 32 of the locking mechanism 31 so that, for example, the bolt of the locking mechanism 31 engages in the notch 211 . It is then no longer possible to remove the closing end 21 from the closing device 3 . In this state, the lock 1 secures an object.
  • the filling end 22 is inserted into a further opening (not shown) of the closing device 3 and is located completely inside the closing device 3 .
  • the filling end 22 has a taper 223 . If the filling end 22 of the fuse element 2 in the Closing device 3 is introduced, it can be stored by means of a storage mechanism 33 of the closing device 3 .
  • the bearing mechanism 33 has two states. Shown in 3 the state is "stored", because a bolt of the bearing mechanism 33 engages in the taper 223. This partially inhibits or partially prevents the movement of the securing element 3 in the axial direction 10, a rotary movement 11 of the securing element 2 is still possible.
  • 3 is only a basic sketch, because any stops of the bearing mechanism 33, which actually inhibit or prevent the movement of the securing element 3, are not shown. Nevertheless, the securing element 3 is prevented from the filling end 22 being removed from the opening of the closing device 3 in the "stored" state of the storage mechanism 33 .
  • the storage mechanism 33 has a second state “not stored” (not shown in Fig 3 ). In the "not stored” state, the securing element 3 is not restricted or blocked in any of the directions of movement 10, 11.
  • a tool 8 specific to the lock type is provided for changing the state of the bearing mechanism 33 . Changing the bearing mechanism 33 is preferably only possible when the locking mechanism 31 is in the open state, so that the lock-specific key 9 is also required.
  • the tool 8 for example an ironing tool, causes a movement 34 of the bearing mechanism 33 so that, for example, the bolt of the bearing mechanism 33 no longer engages in the taper 223. It is then possible to remove the filling end 22 from the closing device 3 . In this way, the filling end 22 can be removed from the closing device 3 . In this way, the filling end 22 can be used to refill the fuse element 3 .
  • the filling end 22 has a valve 221 .
  • This valve 221 is a non-return valve which, when the cavity 23 is pressurized, closes the cavity 23 airtight at the filling end 22 .
  • a spring under the effect of the pressure in the cavity 23 presses on a ball (not shown), which in turn closes a filling channel 224 at the filling end 22 .
  • the valve 221 is a separate component and has an external thread. With this external thread, the valve 221 is fixed in a thread, for example by means of a threaded insert 222, in the filling end 22.
  • a drilling step in the method according to the invention for producing a security element 3 according to the invention is shown.
  • a blank 6 is first provided.
  • This blank 6 is, for example, an elongate round cylinder made of a solid material, for example a metal.
  • the shape and the material can be different, for example the profile of the blank can also be triangular, square, star-shaped or etc.
  • the material can also be a coating of different materials, for example plastic, carbon, Kevlar, or a combination thereof.
  • the materials can be braided.
  • the blank 6 has been shortened in a preliminary step to the corresponding length of the security element 3 and the notch at the closing end 21 has already been introduced.
  • the shortening and introduction of the notch 211 can also take place at a later point in time in the production process, for example after the drilling step.
  • a hole is drilled along a longitudinal direction of the elongate solid fuse element blank 6 to obtain a cavity 23 without piercing the fuse element blank 6 by means of a drilling machine (illustration is not limiting) and a drill.
  • the distance 212--already described-- is maintained.
  • Figure 4b is a according to the drilling step Figure 4a subsequent fixing step in the method according to the invention for producing a security element 3 according to the invention.
  • a thread in the open end of the blank 6 - namely the later filling end 22 of the fuse element 3 - introduced.
  • the thread is introduced after the securing element blank 6 has been shortened to the desired length.
  • a thread is cut into the open end or a threaded insert is inserted into the open end.
  • a valve is now fixed into the threaded open end (filling end 22).
  • the valve is preferably screwed into the thread of the filling end 22 by means of its external thread. If necessary, it is additionally welded, glued or soldered.
  • Area A of Figure 4b is in Figure 4d shown enlarged.
  • Figure 4c a molding step in the method according to the invention for producing a fuse element 3 according to the invention is shown.
  • the fuse element blank 6 is brought into the desired final shape. To do this, it is bent, for example, to become a lock shackle.
  • the finished fuse element 6 is then obtained in the not yet filled state.
  • the step according to Figure 4c can also before the steps referred to Figure 4b take place.
  • the securing element 6 is then retained in the not yet filled state after the valve has been fixed in the filling end 22 .
  • FIG 4d is a in Figure 4b marked area A shown in an enlarged view.
  • the thread 222 of the filling end 22 into which the valve 221 is screwed can be seen here.
  • the valve 221 is, for example, the check valve already described above.
  • FIG 4e a filling step in the method according to the invention for producing a security element 6 according to the invention is shown.
  • a container 7 with a fluid 4 is placed at the filling end 22 of the securing element 2 .
  • a filling nozzle 71 for example a hollow needle, is stopped at the valve 221 or inserted.
  • a filling activation 72 allows the fluid 4 to flow out of the container 7 .
  • the pressure from the container 7 causes the valve 221 to open in order to fill the fluid 4 into the cavity 23 of the fuse element 3 .
  • the container 7, the filling nozzle 71 and the activation 72 are only shown as examples and are intended in particular to illustrate refilling of an already filled security element 6. This can be done manually by an owner of the lock 1.
  • the first filling according to Figure 4e can, however, also be done by machine placement.
  • Filling according to Figure 4e can be secured further, for example by screwing the filling connector 72 onto the valve 221 of the filling end 22 . Tilting during filling can thus be prevented and the risk of the fluid 4 escaping is thereby minimized.
  • the fluid 4 includes one or more of the following: a tear or irritant gas; a tear or irritant fluid, a foul-smelling fluid, a signal color and/or artificial DNA.
  • the tear or irritant fluid includes one or more capsaicinoids, such as capsaicin, dihydrocapsaicin, nonivamide, 2-chlorobenzalmalonitrile, dibenzoxazepine, phenacyl chloride, and/or synpropanethial S-oxide.
  • capsaicinoids such as capsaicin, dihydrocapsaicin, nonivamide, 2-chlorobenzalmalonitrile, dibenzoxazepine, phenacyl chloride, and/or synpropanethial S-oxide.
  • the malodorous fluid 4 comprises butyric acid, thiols (1,3-propanedithiol, isobethanethiol, methanethiol, propanethiol, butanethiol), propionic acid, putrescine, cadaverine, skatole, hydrogen sulfide, and/or ammonium sulfide.
  • FIG 5a An exemplary embodiment of a securing element 2 according to the invention with an integral closing end 21 and a filling end 22 with end piece 226 is shown in the non-connected state.
  • This is, for example, a securing element 2 for a padlock of any size, in which the filling end is supported and the closing end 21 is locked.
  • the integral closing end 21 corresponds, for example, to the explanations of Figures 1 to 4 and enables a stable closure of the cavity without further material-related or structurally-related weak points.
  • the filling end 22 has the thread 222 as shown in FIGS Figures 1 to 4 is already described.
  • the filling end 22 can be closed with an end piece 226 .
  • the end piece 226 has an external thread 2261 in order to be detachably connected to the securing element 2 through the thread 222 of the securing element.
  • a previously described taper 223 is arranged between the external thread 2261 and the outermost end of the end piece 226 remote from a connection end with the securing element, in order to enable the securing element 2 to be stored in an in 3 To allow locking device 3 shown as an example. Due to the screw connection, the cavity 23 is fluid-tight in the connected state, see also Figure 7a .
  • the filling valve 221 is fixed in the filling end 22 .
  • the cavity 23 of the fuse element 2 can have a maximum diameter, since the taper 223 does not limit the cavity 23 in its dimensions.
  • the enlargement of the cavity 23 allows the use of thinner-walled hollow body for the fuse element 2 and thus a lower cost of materials.
  • no weak point is created in the area of the taper 223 due to the securing elements 2 being too thin, as a result of which an undesired escape of fluid could possibly occur with frequent use.
  • a valve adapter 225 is optionally provided in order to fix the filling valve 221 in the filling end 22 .
  • the valve adapter 225 has an external thread 2251 in order to be detachably connected to the thread 222 of the filling end 22 .
  • the valve adapter 225 also has an internal thread in order to be able to fix the filling valve 221 in place.
  • the valve adapter also has a taper 2252 that can be introduced into a recess (not shown) in the end piece 226 .
  • the valve adapter 225 makes it possible to use small filling valves 221 for securing elements 2 with larger diameters.
  • Figure 5b 1 shows an exemplary embodiment of a securing element 2 according to the invention with a closing end 21 with end piece 214 or 214a and a filling end 22 with end piece 226 in the non-connected state.
  • This is also a securing element 2 for a padlock of any size, in which the filling end is supported and the closing end 21 is locked.
  • Figure 5b will along with Figure 7a described, in which this embodiment is shown in the filled and connected state.
  • the filling end 22 has in contrast to the filling end 22 of Figure 5a a cavity 2262 and an element 2263.
  • the effect of cavity 2262 and element 2263 is in Figure 7a good to recognize.
  • the fluid 4 is introduced into the cavity 23 with the fluid (for example according to Figure 4e ).
  • the end piece 226 is then connected to the securing element 2 .
  • the element 2263 for example a bolt or pin or a small plate, opens the fixed filling valve 221 during the connection (or as a result of the connection).
  • part of the fluid 4 flows into the cavity 2262.
  • the fluid is at the filling limits 24 (according to Figure 7a ) which are very close to the tapers 211 and 223, in the region of the end pieces 226 and 214, 214a.
  • the filling limit 24 at the filling end 22 is no longer at the position of the valve 221 but protrudes into the cavity 2262 of the end piece 226 .
  • Unauthorized separation of the securing element 2 near the ends 21, 22 also leads to the immediate escape of the fluid and thus the impeding or prevention of theft.
  • the end piece 226 is mechanically detached (unscrewed) from the filling end 22 .
  • the element 2263 of the end piece 226 no longer acts on the filling valve 221 and--should there still be appropriate pressure in the cavity 23--the filling channel 224 is closed again in a fluid-tight manner by the valve 221. This ensures that no protective agent escapes unintentionally.
  • the closing end 21 in Figure 5b is in a further difference to the closing end 21 of Figure 5a is not an integral part of the securing element 2, but has an end piece 214 or 214b.
  • the end piece 214 has an external thread 2141 .
  • the closing end 21 has an internal thread 213 in order to be able to detachably connect the end piece 214 to the securing element 2 .
  • the end piece 214 can be welded (joined) or glued to the securing element 2, as a result of which a non-detachable connection is created.
  • the end piece 214a is non-detachably connected to the closing end 21 of the securing element 2, for example by a joining method or an adhesive method.
  • a cavity 2142 could be provided therein, which allows the cavity 23 to expand in the connected state (see FIG Figure 7a ) protrudes into the end piece 214 or 214a.
  • a hollow body with two open ends 21, 22 is used and both ends receive the corresponding end pieces 214, 226.
  • FIG. 6 is a to Figure 5b alternative embodiment of a fuse element 2 according to the invention with a closing end 21 with end piece 214 and a filling end 22 with end piece 226 shown in the unconnected state. 6 will along with Figure 7b described, in which this embodiment is shown in the filled and connected state.
  • a locking mechanism is provided for the filling end 22 instead of a bearing mechanism, so that both end pieces 214 and 226 have an identical outer contour with corresponding tapers 221 in order to be locked in a beam-like closing device (as an alternative to the 3 ) to be introduced.
  • This fuse element 6 (or. Figure 7b ) is primarily used for padlocks.
  • a padlock has a locking device with two openings into which the two ends 21 and 22 are inserted for temporary locking.
  • Both end pieces 214, 226 have cavities 2141, 2262 and - as in Figure 5b described - used and thus also enable a as in Figure 7b shown filling limit in the area of the end pieces.
  • connection of the end pieces 214, 226 can be releasable or non-releasable, with a releasable connection being preferable for the filling end 22 in order to be able to refill the fuse element 2.
  • the 8 shows a perspective sectional view of an insert and a tubular end of a U-shaped lock shackle according to the prior art and has already been described in the introduction to the description.

Landscapes

  • Burglar Alarm Systems (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP19216614.8A 2019-02-25 2019-12-16 Hohles sicherungselement, schloss mit dem sicherungselement, verfahren zum herstellen eines sicherungselements, verfahren zum herstellen des schlosses und verfahren zum behindern eines diebstahlversuchs Active EP3699375B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019104643.2A DE102019104643B4 (de) 2019-02-25 2019-02-25 Hohles sicherungselement, schloss mit dem sicherungselement, verfahren zum herstellen eines sicherungselements, verfahren zum herstellen des schlosses und verfahren zum behindern eines diebstahlversuchs

Publications (3)

Publication Number Publication Date
EP3699375A1 EP3699375A1 (de) 2020-08-26
EP3699375B1 true EP3699375B1 (de) 2023-07-19
EP3699375C0 EP3699375C0 (de) 2023-07-19

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EP19216614.8A Active EP3699375B1 (de) 2019-02-25 2019-12-16 Hohles sicherungselement, schloss mit dem sicherungselement, verfahren zum herstellen eines sicherungselements, verfahren zum herstellen des schlosses und verfahren zum behindern eines diebstahlversuchs

Country Status (3)

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EP (1) EP3699375B1 (pl)
DE (1) DE102019104643B4 (pl)
PL (1) PL3699375T3 (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020104912A1 (de) 2020-02-25 2021-08-26 Helicopterflug Großer GmbH Schutzsystem und verfahren zum behindern eines einbruchversuchs
DE102021125310A1 (de) * 2021-09-29 2023-03-30 ABUS August Bremicker Söhne Kommanditgesellschaft Bügelschloss

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3206709A1 (de) 1982-02-25 1983-09-01 Peter Ing.(grad.) 7500 Karlsruhe Fuchs Sicherungseinrichtung in der art eines stahlkabel- oder buegelschlosses, insbesondere schloss zum sichern von zweiradfahrzeugen
JP3494704B2 (ja) * 1994-08-24 2004-02-09 株式会社アルファ 盗難防止装置
US5730008A (en) * 1995-10-11 1998-03-24 Case; Willard L. Snowmobile track lock
US5896761A (en) * 1998-07-08 1999-04-27 Chen; Waterson Padlock
DE10034172C2 (de) * 2000-07-13 2002-10-24 Joachim Augthun Sicherheitsschloss
DE202008016698U1 (de) 2008-12-17 2010-04-29 Walter, Hartmut Diebstahlsicherung
WO2017152100A1 (en) * 2016-03-04 2017-09-08 SkunkLock, Inc. Pressurized chemical theft deterrent device

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Publication number Publication date
EP3699375A1 (de) 2020-08-26
EP3699375C0 (de) 2023-07-19
PL3699375T3 (pl) 2023-11-27
DE102019104643B4 (de) 2020-12-03
DE102019104643A1 (de) 2020-08-27

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