EP3658726B1 - Locking device - Google Patents
Locking device Download PDFInfo
- Publication number
- EP3658726B1 EP3658726B1 EP18766120.2A EP18766120A EP3658726B1 EP 3658726 B1 EP3658726 B1 EP 3658726B1 EP 18766120 A EP18766120 A EP 18766120A EP 3658726 B1 EP3658726 B1 EP 3658726B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- motor
- bolt
- spindle
- bridge plates
- 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.)
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- 238000010521 absorption reaction Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000014277 Clidemia hirta Nutrition 0.000 description 1
- 241000069219 Henriettea Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
- E05B47/026—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/0075—Locks or fastenings for special use for safes, strongrooms, vaults, fire-resisting cabinets or the like
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
- E05B2047/0013—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors more than one motor for the same function, e.g. for redundancy or increased power
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B2047/0014—Constructional features of actuators or power transmissions therefor
- E05B2047/0018—Details of actuator transmissions
- E05B2047/0023—Nuts or nut-like elements moving along a driven threaded axle
Definitions
- the invention relates to a locking device according to the preamble of claim 1.
- Such locking devices are known in many ways from the prior art and are often used as electronically controlled motor locks, which are used to lock high-security doors such as vault doors, strongroom doors or doors of safe boxes Find.
- Locking devices of this type are provided with a bolt that can be retracted and extended as a lock.
- electric motors combined with spur gears, worm gears and / or spindle gears are usually used to move the bolt acting as a blockage, for example in a corresponding boltwork.
- Different ways are followed to absorb high bolt forces, somewhat greater than 1000N.
- locking devices proposed in which, in a closed position in which the bolt protrudes from a bolt opening on the front side of the housing, the frictional connection via the bolt coming via direct-acting locks is passed to the housing over a short distance.
- the drive mechanism of the bolt remains relieved of load when a force is applied from the outside.
- locking devices of this type are very complex and expensive due to the locking actuations which work in addition to and offset in time from the actual bolt movement.
- the often complicated mechanisms of such locking devices have inadequate operational reliability, and the individual components in series production also require very high quality.
- the object of the invention is therefore to overcome the disadvantages known from the prior art and to enable a locking device in a compact and simple design in which as few parts as possible are required and which meets the necessary safety requirements. It should be possible to implement such a further development both for redundant locking devices and for simple motor-operated locking devices.
- the locking device has a housing and a cover that closes this housing.
- a bolt is arranged in the housing, which can be moved back and forth in the housing by means of at least one motor and at least one gear mechanism between an open position and a closed position in which the bolt protrudes from a bolt opening on the front of the housing.
- the bolt has a lower bolt and an upper bolt which each interact with a bridge plate in such a way that the bridge plates are rotatable in their center relative to the bolts are held, the bridge plates are provided at their ends with openings in which pins engage, at least two of these pins are arranged on a spindle nut which is rotatably mounted between the front and the rear of the housing spindle by means of the at least one motor and the at least one transmission device can be moved.
- the invention is now characterized in that the spindle nut has pegs adjoining the two pegs which interact with the openings in the bridge plates and which are guided in grooves in the housing or in the cover.
- the invention makes it possible to implement a finite differential element designed as a double bridge by the two bridge plates and to eliminate the previous difficulties, particularly in the case of redundant locks with two drives.
- the locking device according to the invention can be implemented with a minimum of parts, with the use of a single drive train with a motor, a gear unit and a spindle and a spindle nut running on it, the implementation of a simple motor lock, while using two such drive trains a redundant locking device is realized.
- the locking device according to the invention enables it to be built very compactly and to meet the corresponding safety requirements for such locking devices.
- the invention thus makes it possible, when using two drive trains, to provide a highly secure locking device which operates redundantly.
- a simple motor-operated locking device that works in principle according to the redundant locking devices and takes into account the current standards and safety requirements.
- the lower bolt and the upper bolt are designed as ends of a bolt which is rotatably guided through a through opening always located on the housing end of the bolt and joined to the bridge plates in a rotationally fixed manner .
- the bolt can now be moved from a closed position into an open position and also back.
- it has been proven that for increased force absorption the joint between the bolt and the bridge plates is conceivable in addition to a simple oversize connection, for example by means of a welded connection, rivet connection or stamped connection through massive metal forming.
- the spindle nut has an upper end face and a lower end face to which the pegs interacting with the openings of the bridge plate adjoin, the height of these pegs preferably corresponding to the thickness of the bridge plates.
- This embodiment of the invention is also aimed again in the direction of increased force absorption of the locking devices according to the invention. Since the bridge plates rest against the corresponding end faces as well as against the cover or the housing, an increased force absorption is possible, which results in increased operational reliability of the locking device according to the invention.
- a motor board is provided for the at least one motor, which is preferably insertable into corresponding grooves in the housing and the cover on the front side of the housing.
- This embodiment of the invention is also aimed at increasing the force absorption of the locking device according to the invention. By receiving the motor circuit board in corresponding grooves on the housing or on the cover, such an increased force absorption of the locking device according to the invention is made possible.
- frame boards on the rear side of the housing, which are preferably also inserted into corresponding grooves in the housing and the cover, so that this also results in increased operational reliability and increased force absorption of the locking device according to the invention.
- the at least one gear mechanism consists of a first gear wheel seated on the drive shaft of the motor, a second gear wheel seated on the axis of rotation of the spindle and an intermediate gear wheel meshing with this.
- This makes it possible to equip the transmission device with as few components as possible, with increased self-locking still being able to be achieved, which takes into account the operational reliability and increased force absorption of the locking device according to the invention.
- a gear wheel sitting on the drive axis meshes directly with a gear wheel sitting on the axis of rotation of the spindle and this is driven directly.
- the increased operational reliability and the increased force absorption of the locking device according to the invention are guaranteed.
- detectors are provided for detecting the position of the bridge boards, which preferably each consist of a magnet arranged on one of the bridge boards and a corresponding Hall sensor, the Hall sensor preferably being in the Housing or is arranged on the cover of the housing.
- This refinement of the invention makes it possible in a simple manner, with a corresponding refinement of the Hall sensors, to determine the exact position of the bridge plates without having to open the locking device according to the invention.
- the corresponding detector unit can of course also be equipped in such a way that at least corresponding end positions of the bridge plates can be recognized by the corresponding detectors.
- precisely one motor is used which drives precisely one spindle and thus precisely one spindle nut via precisely one gear mechanism.
- FIG. 1 to 5 a first embodiment of a locking device according to the invention is shown.
- This locking device is designed as an electromechanical, redundant safe lock with a double motor drive.
- the Figures 1 to 5 represent the locking device in different, normal operating states.
- a bolt 2 which can be displaced between a closed position and an open position is arranged in a housing 1 which can be closed with a cover 16.
- the bolt 2 has a through-hole into which a solid steel bolt 10 is rotatably mounted, the ends of which are referred to in the present case as lower bolt 10a and upper bolt 10b.
- An upper bridge plate 9a and a lower bridge plate 9b are respectively fastened to the two ends of this steel bolt 10 or the lower bolt 10a and the upper bolt 10b.
- welded connections, riveted connections or embossed connections by massive metal forming are also conceivable at this connection point.
- openings are attached which, in this exemplary embodiment, are designed as massive fork-shaped recesses.
- Spindle nuts 6a and 6b with upper pins 17a and lower pins 17b each engage in these recesses.
- the spindle nuts 6a and 6b are guided by spindles 5a and 5b engaged with them.
- the spindle nuts 6a and 6b are secured against rotation by grooves made in the cover 16 and in the housing 1 with pins 19 adjoining pins 17a and 17b.
- the grooves also ensure that in the event of excessive force being applied to the bolt (e.g. 1000N) and a possibly inclined position of the bridge plates 9a and 9b, the spindle nuts can be supported via the pins 19 on the housing and cover if the spindle axis of rotation is slightly bent.
- the spindles 5a and 5b are in turn rotatably mounted in rear frame plates 7a and 7b and in front motor plates 3a and 3b.
- the frame boards 7a and 7b and the motor boards 3a and 3b are inserted into grooves in the housing 1 and the cover 16.
- the respective spindle nut In order to ensure a sufficient travel of the spindle nuts 6a, 6b for a real redundancy of the lock, the respective spindle nut must be movable at least 45 mm with this principle presented here with an infinite differential and reaching a bolt thrust distance of 15 mm. To do this, get - as in Figure 6 shown - the spindle nuts flattened, the frame plates and the motor plates facing surfaces 18a and 18b. This makes the spindle nuts flat, but they can still absorb high forces.
- the frame plates 7a and 7b and the motor plates 3a and 3b are designed in such a way that the wide fork surfaces of the bridge plates 9a and 9b required to absorb the force can be located partially overlapping
- the motors 4a and 4b are attached to the motor boards 3a and 3b.
- the motor boards 3a and 3b each hold an intermediate axis in a fixed manner via a bore.
- the torque, which is supplied by the corresponding motors 4a and 4b, is finally transmitted, without reducing the speed, from a gear 13a, 13b seated on the drive axle of the respective motor 4a or 4b via an intermediate gear 12a, 12b mounted on the intermediate axle to a die Spindles 5a and 5b driving gear 11a, 11b guided.
- the gears 13a, 13b of this spur gear can dip into the back of the bolt block. This enables the spindles 5a and 5b to travel a long distance of 45 mm, because the spur gear can now be placed extremely far forward in the housing 1.
- the bolt mouth remains closed and the bolt 2 can nevertheless absorb very high transverse forces.
- the Figure 1 shows the locking device designed as an electromechanical safe lock in the fully open position.
- only one of the two motors 4a, 4b is initially activated. In the case of the motor 4a, this ensures that the spindle nut 6a is moved 15 mm in the direction of the motor board 3a.
- the bolt 2 moves, as now in Figure 2 shown, by 7.5 mm out of the housing 1.
- FIG. 5 the lock with cover 16 is shown in section. It can be seen here as a feature that the openings or fork surfaces of the bridge plates 9a, 9b are enclosed between the cover 16 or between the housing 1 and end circular surfaces 20a and 20b of the spindle nuts 6a and 6b. With very high forces acting on the bolt 2, the bridge plates 9a, 9b cannot bend and disengage from the pins 17a and 17b of the spindle nuts 6a and 6b.
- the Figures 7 to 10 represent the locking device designed as a redundant electromechanical safe lock Figures 1 to 5 in different emergency situations, for example if one of the two motors 4a or 4b is defective in the fully open and in the fully closed state.
- FIGS 11 to 13 and 15 show a second embodiment of a locking device according to the invention, which is designed as an electromechanical safe lock with a motor drive or a motor 4, in different operating states.
- the two bridge plates 9a and 9b designed as a differential are fixed on one side by means of a fixed bearing pin 21.
- the locking device of the Figures 11 to 15 and 13 is not redundant in this case and only the motor 4, a spindle 5, a spindle nut 6, a motor board 3 and only one transmission device with gears 11, 12 and 13 are provided.
- a fixed bearing bolt 21 is inserted into the housing 1 and into the cover 16 in place of the second spindle nut that is no longer present. In the cut of the Figure 15 it can be seen that this is inserted between the housing 1 and the cover 16 in bores.
- the fixed bearing pin 21 is longer than the spindle nut 6, wherein the length of the fixed bearing pin 21 corresponds approximately to the entire lock height, and therefore reaches housing bores beyond housing grooves in which it is stuck. Since the same housing 1 and the same cover 16 are to be used both for redundant locks and for simple locks, these holes in the redundant lock are either closed with simple plugs or they are created by tool inserts only for the simple lock in these components.
- the fixed bearing bolt 21 shown also has corresponding to the spindle nut 6, which the spindle nuts 6a and 6b of the redundant locking device of the Figure 6 corresponds to end faces 20a, 20b in order to prevent the bridge plates 9a and 9b from being pushed away in the event of increased locking forces. That is, the ends of the bridge plates 9a, 9b are also enclosed in this simple lock by the housing 1, the cover 16, the spindle nut 6 and the fixed bearing bolt 21, respectively.
- the Figure 12 shows the simple electromechanical lock in a further operating state in which the lock is already half open or half closed.
- the spindle nut 6 is at the same height as the fixed bearing bolt 21 in relation to the lock housing 1.
- limit switches or detectors are used both for the simple and for the redundantly operating lock to detect the bolt and / or bridge plate positions. In the simplest case, this can be done using magnets 14a, 14b and Hall sensors.
- the gear motors 4a, 4b are switched on and / or off in the desired end positions by the switches or detectors via the lock electronics; failures of a drive train are also detected and the lock is opened or closed with the remaining train with an error message.
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Lock And Its Accessories (AREA)
Description
Die Erfindung betrifft eine Schließvorrichtung nach dem Oberbegriff des Patentanspruchs 1. Derartige Schließvorrichtungen sind in vielfältiger Art und Weise aus dem Stand der Technik bekannt und sind oftmals als elektronisch angesteuerte Motorschlösser, welche zum Verschluss von Hochsicherheitstüren wie zum Beispiel Tresortüren, Wertschutzraumtüren oder Türen von Wertschutzbehältern Verwendung finden.The invention relates to a locking device according to the preamble of
Schließvorrichtungen dieser Art sind dabei mit einem als Sperre ein- und ausfahrbarem Riegel versehen. Bei solchen Schlössern kommen in der Regel Elektromotoren kombiniert mit Stirnrad-, Schnecken- und /oder Spindelgetrieben zur Verschiebung des als Blockade wirkenden Riegels, beispielsweise in einem entsprechenden Riegelwerk, zum Einsatz. Dabei werden zur Aufnahme hoher Riegelkräfte, etwas größer 1000N, unterschiedliche Wege verfolgt.Locking devices of this type are provided with a bolt that can be retracted and extended as a lock. In such locks, electric motors combined with spur gears, worm gears and / or spindle gears are usually used to move the bolt acting as a blockage, for example in a corresponding boltwork. Different ways are followed to absorb high bolt forces, somewhat greater than 1000N.
Zum einen werden, wie beispielsweise in der
Bei anderen Lösungen, bei denen oft eine echte Redundanz durch ein endlos wirkendes Differenzialglied ermöglicht wird, wie dies beispielsweise in der
Aus der
Aufgabe der Erfindung ist es daher, die aus dem Stand der Technik bekannten Nachteile zu überwinden und eine Schließvorrichtung in kompakter und einfacher Bauweise zu ermöglichen, bei der möglichst wenige Teile benötigt werden und die den erforderlichen Sicherheitsanforderungen genügt. Dabei soll eine derartige Weiterentwicklung sowohl für redundante Schließvorrichtungen als auch für einfache motorisch betriebene Schließvorrichtungen realisierbar sein.The object of the invention is therefore to overcome the disadvantages known from the prior art and to enable a locking device in a compact and simple design in which as few parts as possible are required and which meets the necessary safety requirements. It should be possible to implement such a further development both for redundant locking devices and for simple motor-operated locking devices.
Gelöst wird diese Aufgabe durch eine Schließvorrichtung mit allen Merkmalen des Patentanspruchs 1. Vorteilhafte Ausgestaltungen der Erfindung finden sich in den Unteransprüchen.This object is achieved by a locking device with all the features of
Die erfindungsgemäße Schließvorrichtung weist dabei ein Gehäuse und einen dieses Gehäuse schließenden Deckel auf. In dem Gehäuse ist dabei ein Riegel angeordnet, der mittels wenigstens eines Motors und wenigstens einer Getriebeeinrichtung zwischen einer Offenstellung und einer Schließstellung, in welcher der Riegel aus einer Riegelöffnung an der Vorderseite des Gehäuses aus diesem herausragt, in dem Gehäuse hin und her verfahrbar ist. Dabei weist der Riegel einen unteren Bolzen und einen oberen Bolzen auf, die mit jeweils einer Brückenplatine derart zusammenwirken, dass die Brückenplatinen in ihrer Mitte drehbar gegenüber den Riegeln gehalten sind, wobei die Brückenplatinen an ihren Enden mit Öffnungen versehen sind, in welche Zapfen eingreifen, wobei wenigstens zwei dieser Zapfen auf einer Spindelmutter angeordnet sind, welche auf einer zwischen der Vorderseite und der Rückseite des Gehäuses drehbar gelagerten Spindel mittels des wenigstens einem Motor und der wenigstens einen Getriebeeinrichtung verfahrbar sind. Die Erfindung zeichnet sich nunmehr dadurch aus, dass die Spindelmutter an die beiden mit den Öffnungen der Brückenplatinen zusammenwirkenden Zapfen anschließende Zapfen aufweisen, die in Nuten des Gehäuses beziehungsweise des Deckels geführt sind.The locking device according to the invention has a housing and a cover that closes this housing. A bolt is arranged in the housing, which can be moved back and forth in the housing by means of at least one motor and at least one gear mechanism between an open position and a closed position in which the bolt protrudes from a bolt opening on the front of the housing. The bolt has a lower bolt and an upper bolt which each interact with a bridge plate in such a way that the bridge plates are rotatable in their center relative to the bolts are held, the bridge plates are provided at their ends with openings in which pins engage, at least two of these pins are arranged on a spindle nut which is rotatably mounted between the front and the rear of the housing spindle by means of the at least one motor and the at least one transmission device can be moved. The invention is now characterized in that the spindle nut has pegs adjoining the two pegs which interact with the openings in the bridge plates and which are guided in grooves in the housing or in the cover.
Durch die Erfindung ist es ermöglicht, ein durch die beiden Brückenplatinen als Doppelbrücke ausgebildetes endliches Differenzialglied zu realisieren und die bisherigen Schwierigkeiten insbesondere bei redundanten Schlössern mit zwei Antrieben zu beheben. Hierbei ist die erfindungsgemäße Schließvorrichtung mit einem Minimum an Teilen realisierbar, wobei durch Verwendung eines einzelnen Antriebstranges mit einem Motor, einer Getriebeeinrichtung sowie einer Spindel und einer darauf laufenden Spindelmutter die Realisierung eines einfachen Motorschlosses ermöglicht ist, während bei Verwendung von zwei derartigen Antriebssträngen eine redundante Schließvorrichtung verwirklicht wird. In beiden Fällen ist durch die erfindungsgemäße Schließvorrichtung ermöglicht, dass diese sehr kompakt gebaut ist und den entsprechenden Sicherheitsvorgaben für derartige Schließvorrichtungen genügt. Durch die Verwendung der beiden Brückenplatinen lässt sich nämlich eine sehr kompakte, stabile Bauweise der Schließvorrichtung erreichen, wobei durch den eingesetzten Antriebsstrang mithilfe der Spindelmutter, der Spindel, der Getriebeeinrichtung und des Motors eine Eigenhemmung erreicht wird, die frühzeitig einsetzt und einen entsprechenden Selbstsperreffekt bietet.The invention makes it possible to implement a finite differential element designed as a double bridge by the two bridge plates and to eliminate the previous difficulties, particularly in the case of redundant locks with two drives. Here, the locking device according to the invention can be implemented with a minimum of parts, with the use of a single drive train with a motor, a gear unit and a spindle and a spindle nut running on it, the implementation of a simple motor lock, while using two such drive trains a redundant locking device is realized. In both cases, the locking device according to the invention enables it to be built very compactly and to meet the corresponding safety requirements for such locking devices. By using the two bridge plates, a very compact, stable design of the locking device can be achieved, with the drive train used, with the aid of the spindle nut, the spindle, the gear mechanism and the motor, achieving self-locking that sets in early and offers a corresponding self-locking effect.
Somit ist durch die Erfindung ermöglicht, bei der Verwendung von zwei Antriebssträngen eine hochsichere Schließvorrichtung bereit zu stellen, die redundant arbeitet. Andererseits ist durch die einfache Herausnahme eines Antriebsstranges und durch Ergänzung dieses Antriebsstranges durch eine Festsetzkomponente ermöglicht, eine einfache motorisch betriebene Schließvorrichtung zu realisieren, die prinzipiell entsprechend der redundant aufgebauten Schließvorrichtungen arbeitet und den gängigen Normen und Sicherheitsanforderungen Rechnung trägt.The invention thus makes it possible, when using two drive trains, to provide a highly secure locking device which operates redundantly. On the other hand, by simply removing a drive train and adding a locking component to this drive train, it is possible to implement a simple motor-operated locking device that works in principle according to the redundant locking devices and takes into account the current standards and safety requirements.
Weiterhin ist es ermöglicht, dass die mit den Brückenplatinen zusammenwirkenden Zapfen eng an deren Öffnungen anliegen, während die sich daran anschließenden Zapfen sich am Gehäuse beziehungsweise dem Deckel der Schließvorrichtungen in entsprechenden Nuten abstützen. Dies gewährleistet auch eine entsprechende Kraftaufnahme, sodass auch dadurch erhöhten Sicherheitsaspekten und der allgemeinen Betriebssicherheit der erfindungsgemäßen Schließvorrichtung Rechnung getragen wird.Furthermore, it is made possible that the pins interacting with the bridge plates lie tightly against their openings, while the pins adjoining them rest against the Support the housing or the cover of the locking devices in corresponding grooves. This also ensures a corresponding absorption of force, so that increased safety aspects and the general operational safety of the locking device according to the invention are also taken into account as a result.
Dabei hat es sich in einer ersten Ausgestaltung der Erfindung als vorteilhaft erwiesen, dass der untere Bolzen und der obere Bolzen als Enden eines Bolzens ausgebildet sind, der durch eine immer am Gehäuse liegenden Ende des Riegels angeordnete Durchgangsöffnung drehbar geführt und mit den Brückenplatinen drehfest gefügt ist. Hierdurch wird erreicht, dass der Bolzen eine Einheit mit den Brückenplatinen und somit eine Doppelbrücke bildet, die drehbar an dem Riegel gehalten ist. Mithilfe des wenigstens einen Antriebes ist dabei nun der Riegel aus einer Schließ- in eine Offenstellung und auch zurück verfahrbar. Grundsätzlich hat es sich dabei bewährt, dass für eine erhöhte Kraftaufnahme die Fügestelle zwischen dem Bolzen und den Brückenplatinen neben einer einfachen Übermaßverbindung auch zum Beispiel mittels einer Schweißverbindung, Nietverbindung oder geprägten Verbindung durch massive Metallumformung denkbar ist.In a first embodiment of the invention, it has proven to be advantageous that the lower bolt and the upper bolt are designed as ends of a bolt which is rotatably guided through a through opening always located on the housing end of the bolt and joined to the bridge plates in a rotationally fixed manner . This ensures that the bolt forms a unit with the bridge plates and thus a double bridge that is rotatably held on the bolt. With the aid of the at least one drive, the bolt can now be moved from a closed position into an open position and also back. In principle, it has been proven that for increased force absorption the joint between the bolt and the bridge plates is conceivable in addition to a simple oversize connection, for example by means of a welded connection, rivet connection or stamped connection through massive metal forming.
Dabei hat es sich zudem bewährt, dass die Spindelmutter eine obere Stirnfläche und eine untere Stirnfläche aufweist, an die sich die mit den Öffnungen der Brückenplatine zusammenwirkenden Zapfen anschließt, wobei vorzugsweise die Höhe dieser Zapfen der Dicke der Brückenplatinen entspricht. Auch diese Ausgestaltung der Erfindung zielt wieder in die Richtung der erhöhten Kraftaufnahme der erfindungsgemäßen Schließvorrichtungen. Da die Brückenplatinen sowohl an den entsprechenden Stirnflächen als auch am Deckel beziehungsweise dem Gehäuse anliegen, ist nämlich eine erhöhte Kraftaufnahme möglich, die in einer erhöhten Betriebssicherheit der erfindungsgemäßen Schließvorrichtung resultiert.It has also proven useful that the spindle nut has an upper end face and a lower end face to which the pegs interacting with the openings of the bridge plate adjoin, the height of these pegs preferably corresponding to the thickness of the bridge plates. This embodiment of the invention is also aimed again in the direction of increased force absorption of the locking devices according to the invention. Since the bridge plates rest against the corresponding end faces as well as against the cover or the housing, an increased force absorption is possible, which results in increased operational reliability of the locking device according to the invention.
Nach einem weiteren Gedanken der Erfindung ist für den wenigstens einen Motor eine Motorplatine vorgesehen, die vorzugsweise an der Vorderseite des Gehäuses in entsprechenden Nuten des Gehäuses und des Deckels einsteckbar ist. Auch diese Ausgestaltung der Erfindung zielt in eine erhöhte Kraftaufnahme der erfindungsgemäßen Schließvorrichtung ab. Durch die Aufnahme der Motorplatine in entsprechenden Nuten am Gehäuse beziehungsweise am Deckel ist nämlich eine derartige erhöhte Kraftaufnahme der erfindungsgemäßen Schließvorrichtung ermöglicht.According to a further concept of the invention, a motor board is provided for the at least one motor, which is preferably insertable into corresponding grooves in the housing and the cover on the front side of the housing. This embodiment of the invention is also aimed at increasing the force absorption of the locking device according to the invention. By receiving the motor circuit board in corresponding grooves on the housing or on the cover, such an increased force absorption of the locking device according to the invention is made possible.
Weiterhin ist es daher auch vorgesehen, an der Rückseite des Gehäuses Gestellplatinen anzuordnen, die vorzugsweise ebenfalls in entsprechenden Nuten des Gehäuses und des Deckels eingesteckt sind, sodass auch dies in einer erhöhten Betriebssicherheit und einer erhöhten Kraftaufnahme der erfindungsgemäßen Schließvorrichtung resultiert.Furthermore, it is therefore also provided to arrange frame boards on the rear side of the housing, which are preferably also inserted into corresponding grooves in the housing and the cover, so that this also results in increased operational reliability and increased force absorption of the locking device according to the invention.
Nach einem weiteren Gedanken der Erfindung hat es sich bewährt, dass die wenigstens eine Getriebeeinrichtung aus einem auf der Antriebsachse des Motors sitzenden ersten Zahnrad, einem auf der Drehachse der Spindel sitzenden zweiten Zahnrad und einem mit diesem kämmenden Zwischenzahnrad besteht. Hierdurch ist es ermöglicht, die Getriebeeinrichtung mit möglichst wenig Bauteilen auszustatten, wobei trotzdem eine erhöhte Eigenhemmung verwirklicht werden kann, die der Betriebssicherheit und einer erhöhten Kraftaufnahme der erfindungsgemäßen Schließvorrichtung Rechnung trägt. Alternativ kann es natürlich auch vorgesehen sein, dass ein auf der Antriebsachse sitzendes Zahnrad direkt mit einem auf der Drehachse der Spindel sitzenden Zahnrad kämmt und dieses direkt angetrieben wird. Auch hierbei ist die erhöhte Betriebssicherheit und die erhöhte Kraftaufnahme der erfindungsgemäßen Schließvorrichtung gewährleistet.According to a further idea of the invention, it has been proven that the at least one gear mechanism consists of a first gear wheel seated on the drive shaft of the motor, a second gear wheel seated on the axis of rotation of the spindle and an intermediate gear wheel meshing with this. This makes it possible to equip the transmission device with as few components as possible, with increased self-locking still being able to be achieved, which takes into account the operational reliability and increased force absorption of the locking device according to the invention. Alternatively, it can of course also be provided that a gear wheel sitting on the drive axis meshes directly with a gear wheel sitting on the axis of rotation of the spindle and this is driven directly. Here, too, the increased operational reliability and the increased force absorption of the locking device according to the invention are guaranteed.
Nach einem weiteren Gedanken der Erfindung hat es sich zudem als vorteilhaft erwiesen, dass Detektoren zur Lageerkennung der Brückenplatinen vorgesehen sind, die vorzugsweise jeweils aus einem auf einer der Brückenplatinen angeordneten Magneten und einem dazu korrespondierenden Hall-Sensor bestehen, wobei der Hall-Sensor vorzugsweise im Gehäuse beziehungsweise am Deckel des Gehäuses angeordnet ist. Durch diese Ausgestaltung der Erfindung ist es in einfacher Weise ermöglicht, bei entsprechender Ausgestaltung der Hall-Sensoren die genaue Position der Brückenplatinen zu bestimmen, ohne die erfindungsgemäße Schließvorrichtung öffnen zu müssen. Dabei kann die entsprechende Detektoreinheit natürlich auch derart ausgestattet sein, dass durch die entsprechenden Detektoren wenigstens entsprechende Endlagen der Brückenplatinen erkennbar sind.According to a further concept of the invention, it has also proven to be advantageous that detectors are provided for detecting the position of the bridge boards, which preferably each consist of a magnet arranged on one of the bridge boards and a corresponding Hall sensor, the Hall sensor preferably being in the Housing or is arranged on the cover of the housing. This refinement of the invention makes it possible in a simple manner, with a corresponding refinement of the Hall sensors, to determine the exact position of the bridge plates without having to open the locking device according to the invention. The corresponding detector unit can of course also be equipped in such a way that at least corresponding end positions of the bridge plates can be recognized by the corresponding detectors.
Um erfindungsgemäß eine redundante Schließvorrichtung zu realisieren, hat es sich dabei bewährt, dass innerhalb der Schließvorrichtung zwei Motoren, zwei Getriebeeinheiten und zwei mit einer Spindelmutter versehene Spindeln vorgesehen sind. Hierdurch ist es ermöglicht, dass beide Brückenplatinen mit ihren beiden Enden innerhalb des Gehäuses der Schließvorrichtung verfahrbar sind. Insbesondere ist dadurch gewährleistet, dass bei Ausfall eines Motors die Schließvorrichtung geschlossen und geöffnet werden kann. Hierbei ist es zudem ermöglicht, dass jeder Motor im Zusammenspiel mit der entsprechenden Getriebeeinrichtung sowie der entsprechenden Spindel und Spindelmutter dazu geeignet ist, den Riegel der Schließvorrichtung von seiner Schließstellung in eine Offenstellung zu überführen und auch umgekehrt.In order to implement a redundant locking device according to the invention, it has proven useful that two motors, two gear units and two spindles provided with a spindle nut are provided within the locking device. This makes it possible that both bridge plates with their two ends inside the housing of the locking device are movable. In particular, this ensures that the locking device can be closed and opened in the event of a motor failure. It is also possible here that each motor, in interaction with the corresponding transmission device and the corresponding spindle and spindle nut, is suitable for moving the bolt of the locking device from its closed position to an open position and vice versa.
Alternativ ist es auch vorgesehen, dass genau ein Motor eingesetzt wird, der über genau eine Getriebeeinrichtung genau eine Spindel und somit genau eine Spindelmutter antreibt. Hierdurch ist in einfacher Weise eine einfache, nicht redundante motorisch betriebene erfindungsgemäße Schließvorrichtung realisiert, in welcher ebenfalls die Betriebssicherheit bei hoher Kraftaufnahme in einer kompakten Bauweise realisiert ist.Alternatively, it is also provided that precisely one motor is used which drives precisely one spindle and thus precisely one spindle nut via precisely one gear mechanism. As a result, a simple, non-redundant, motor-operated locking device according to the invention is implemented in a simple manner, in which the operational reliability is also implemented with high force absorption in a compact design.
Weitere Ziele, Vorteile, Merkmale und Anwendungsmöglichkeiten der vorliegenden Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen anhand der Zeichnungen.Further goals, advantages, features and possible applications of the present invention emerge from the following description of exemplary embodiments with reference to the drawings.
Es zeigen:
Figuren 1 bis 5:- ein erstes Ausführungsbeispiel einer erfindungsgemäßen Schließvorrichtung in verschiedenen Darstellungen,
- Figur 6:
- eine Spindelmutter der Schließvorrichtung der
,Figuren 1 bis 5 - Figuren 7 bis 10:
- das Ausführungsbeispiel der erfindungsgemäßen Schließvorrichtung der
in weiteren verschiedenen Darstellungen,Figuren 1 bis 5 Figuren 11 bis 13:- ein zweites Ausführungsbeispiel einer erfindungsgemäßen Schließvorrichtung in verschiedenen Darstellungen,
- Figur 14:
- ein Festlagerbolzen der Schließvorrichtung der
Figuren 1 undbis 13 - Figur 15:
- das Ausführungsbeispiel der erfindungsgemäßen Schließvorrichtung der
Figuren 11 in einer weiteren Darstellung.bis 13
- Figures 1 to 5:
- a first embodiment of a locking device according to the invention in various representations,
- Figure 6:
- a spindle nut of the locking device of
Figures 1 to 5 , - Figures 7 to 10:
- the embodiment of the locking device according to the invention of
Figures 1 to 5 in further different representations, - Figures 11 to 13:
- a second embodiment of a locking device according to the invention in different representations,
- Figure 14:
- a fixed bearing pin of the locking device of the
Figures 1 to 13 and - Figure 15:
- the embodiment of the locking device according to the invention of
Figures 11 to 13 in another representation.
In den
Bei der als elektromechanisches Schloss ausgebauten Schließvorrichtung der
Wiederum an den beiden Enden dieses Stahlbolzens 10 beziehungsweise dem unteren Bolzen 10a und dem oberen Bolzen 10b ist jeweils eine obere Brückenplatine 9a und eine untere Brückenplatine 9b befestigt. Für eine erhöhte Kraftaufnahme sind an dieser Verbindungsstelle neben einer einfachen Übermaßverbindung auch zum Beispiel Schweißverbindungen, Nietverbindungen oder geprägte Verbindungen durch massive Metallumformug denkbar. An den Enden der oberen Brückenplatine 9a und der unteren Brückenplatine 9b sind Öffnungen angebracht, welche in diesem Ausführungsbeispiel als massive gabelförmige Aussparungen ausgebildet sind. In diese Aussparungen greifen jeweils Spindelmuttern 6a und 6b mit oberen Zapfen 17a und unteren Zapfen 17b ein. Die Spindelmuttern 6a und 6b werden durch mit ihnen im Eingriff stehenden Spindeln 5a und 5b geführt. Außerdem sind die Spindelmuttern 6a und 6b durch eingebrachte Nuten im Deckel 16 und im Gehäuse 1 mit sich an die Zapfen 17a und 17 b anschließenden Zapfen 19 gegen Verdrehung gesichert. Die Nuten sorgen zudem dafür, dass bei überhöhtem Kraftangriff auf den Riegel (zum Beispiel 1000N) und einer möglicherweise vorhandenen Schrägstellung der Brückenplatinen 9a und 9b sich die Spindelmuttern bei leichter Verbiegung der Spindeldrehachse über die Zapfen 19 am Gehäuse und am Deckel abstützen können.An
Die Spindeln 5a und 5b sind wiederum drehbar in hinteren Gestellplatinen 7a und 7b und in vorderen Motorplatinen 3a und 3b gelagert. Die Gestellplatinen 7a und 7b und die Motorplatinen 3a und 3b sind dabei in Nuten des Gehäuses 1 und des Deckels 16 gesteckt. Um einen ausreichenden Verfahrweg der Spindelmuttern 6a, 6b für eine echte Redundanz des Schlosses zu gewährleisten, muss bei diesem hier vorgestellten Prinzip mit wegendlichem Differenzial und dem Erreichen einer Riegelschubstrecke von 15 mm, die jeweilige Spindelmutter mindestens 45 mm bewegbar sein. Um dies zu erreichen, erhalten - wie in
An den Motorplatinen 3a und 3b sind die Motoren 4a und 4b befestigt. Außerdem nehmen die Motorplatinen 3a und 3b feststehend über eine Bohrung jeweils eine Zwischenachse auf. Das Drehmoment, welches von den entsprechenden Motoren 4a und 4b geliefert wird, wird schließlich ohne Untersetzung der Drehzahl von einem auf der Antriebsachse des jeweiligen Motors 4a oder 4 b sitzenden Zahnrad 13a, 13b über ein auf der Zwischenachse gelagerten Zwischenrad 12a, 12b auf ein die Spindeln 5a und 5b antreibende Zahnrad 11a, 11b geleitet. Dabei können die Zahnräder 13a, 13b dieses Stirnrädergetriebes bei vollständig eingefahrenem Riegel 2 in die Riegelblockrückseite eintauchen. Dadurch ist es möglich, einen großen Verfahrweg der Spindeln 5a und 5b von 45 mm zu ermöglichen, weil jetzt das Stirnradgetriebe extrem weit vorn im Gehäuse 1 eingebracht werden kann. Bei ausgefahrenem Riegel 2 bleibt der Riegelmund geschlossen und der Riegel 2 kann trotzdem sehr hohe Querkräfte aufnehmen.The motors 4a and 4b are attached to the
Die
In der Schnittdarstellung der
In
Die
Bei der Stellung des elektromechanischen Tresorschlosses in
Sollte ein Defekt eines Antriebsstranges während des Verfahrens eintreten, wie in den
Der andere Extremfall ist in
In der
Die Schließvorrichtung der
Der in
In
Die
In
Es versteht sich, dass entsprechende Endlagenschalter beziehungsweise detektoren sowohl für das einfache als auch für das redundant arbeitende Schloss zur Erfassung der Riegel- und/oder Brückenplatinenpositionen genutzt werden. Im einfachsten Fall kann dies über Magneten 14a, 14b und Hallsensoren erfolgen. Durch die Schalter beziehungsweise Detektoren werden über die Schlosselektronik die Getriebemotoren 4a, 4b in den gewünschten Endlagen ein- und/oder ausgeschaltet, außerdem werden darüber Ausfälle eines Antriebsstranges erkannt und entsprechend mit dem verbleibenden Strang unter Fehlermeldung noch das Schloss geöffnet beziehungsweise verschlossen. Durch mehrfache Anordnung solcher Endlagenschalter mit unterschiedlichem Abstand und einem Auswahlschalter angebracht auf einer Steckerplatine 8a beziehungsweise 8b können unterschiedliche Endlagen des Riegels 2 aktiviert und deaktiviert werden. Mit dieser Maßnahme ist es möglich, abhängig vom Einsatzort unterschiedliche Riegelausfahrwege des Schlosses einzustellen.It goes without saying that corresponding limit switches or detectors are used both for the simple and for the redundantly operating lock to detect the bolt and / or bridge plate positions. In the simplest case, this can be done using magnets 14a, 14b and Hall sensors. The gear motors 4a, 4b are switched on and / or off in the desired end positions by the switches or detectors via the lock electronics; failures of a drive train are also detected and the lock is opened or closed with the remaining train with an error message. By multiple arrangements of such limit switches with different distances and a selection switch attached to a connector board 8a or 8b, different limit positions of the
- 11
- Gehäusecasing
- 22
- Riegelbars
- 33
- MotorplatineMotor board
- 3a3a
- MotorplatineMotor board
- 3b3b
- MotorplatineMotor board
- 44th
- Motorengine
- 4a4a
- Motorengine
- 4b4b
- Motorengine
- 55
- Spindelspindle
- 5a5a
- Spindelspindle
- 5b5b
- Spindelspindle
- 66th
- SpindelmutterSpindle nut
- 6a6a
- SpindelmutterSpindle nut
- 6b6b
- SpindelmutterSpindle nut
- 77th
- GestellplatineRack board
- 7a7a
- GestellplatineRack board
- 7b7b
- GestellplatineRack board
- 88th
- SteckerleiterplatteConnector board
- 8a8a
- SteckerleiterplatteConnector board
- 8b8b
- SteckerleiterplatteConnector board
- 9a9a
- obere Brückenplatineupper bridge board
- 9b9b
- untere Brückenplatinelower bridge board
- 1010
- StahlbolzenSteel bolts
- 1111
- Zahnradgear
- 11a11a
- Zahnradgear
- 11b11b
- Zahnradgear
- 1212th
- ZwischenradIntermediate gear
- 12a12a
- ZwischenradIntermediate gear
- 12b12b
- ZwischenradIntermediate gear
- 1313th
- Zahnradgear
- 13a13a
- Zahnradgear
- 13b13b
- Zahnradgear
- 1414th
- Magnetmagnet
- 14a14a
- Magnetmagnet
- 14b14b
- Magnetmagnet
- 1515th
- LeiterplatteCircuit board
- 15a15a
- LeiterplatteCircuit board
- 15b15b
- LeiterplatteCircuit board
- 1616
- Deckellid
- 17a17a
- ZapfenCones
- 17b17b
- ZapfenCones
- 18a18a
- vordere Flächefront face
- 18b18b
- hintere Flücherear curses
- 1919th
- ZapfenCones
- 20a20a
- StirnflächeFace
- 20b20b
- untere Stirnflächelower face
- 2121
- FestlagerbolzenFixed bearing pin
- 22a22a
- ZapfenCones
- 22b22b
- ZapfenCones
Claims (9)
- Locking device, witha housing (1) anda cover (16) closing the housing,wherein a latch (2) is arranged in the housing (1), which latch can be moved to and fro in the housing (1) by means of at least one motor (4, 4a, 4b) and at least one gear mechanism between an open position and a closed position, in which the latch (2) projects out of the housing (1) from a latch opening on the front side of said housing,wherein the latch (2) has a lower bolt (10a) and an upper bolt (10b) which interact with a respective bridge plate (9a, 9b) in such a manner that the bridge plates (9a, 9b) are held in their centre rotatably in relation to the latch (2),wherein the ends of the bridge plates (9a, 9b) are provided with openings in which pins (17a, 17b, 22a, 22b) engage,wherein at least two of said pins (17a, 17b) are arranged on a spindle nut (6, 6a, 6b) which is movable by means of the at least one motor (4, 4a, 4b) and the at least one gear mechanism on a spindle (5, 5a, 5b) which is mounted rotatably between the front side and the rear side of the housing (1), characterized in that the spindle nuts (6, 6a, 6b) have pins (19) which adjoin the two pins (17a, 17b) interacting with the openings of the bridge plates (9a, 9b) and which are guided in grooves of the housing (1) or of the cover (16).
- Device according to Claim 1, characterized in that the lower bolt (10a) and the upper bolt (10b) are designed as ends of a bolt (10) that is guided rotatably through a passage opening arranged at that end of the latch (2) which is always located in the housing (1), and is joined to the bridge plates (9a, 9b) for rotation therewith.
- Device according to either of the preceding claims, characterized in that the spindle nut (6, 6a, 6b) has an upper end surface (20a) and a lower end surface (20b) which are adjoined by the pins (17a, 17b) interacting with the openings of the bridge plates (9a, 9b), wherein preferably the height of said pins (17a, 17b) corresponds to the thickness of the bridge plates (9a, 9b).
- Device according to one of the preceding claims, characterized in that the motor plate (3, 3a, 3b) is provided for the at least one motor (4, 4a, 4b), said motor plate being inserted, preferably on the front side of the housing (1), into corresponding grooves of the housing (1) and of the cover (16).
- Device according to one of the preceding claims, characterized in that frame plates (7a, 7b) are provided on the rear side of the housing, said frame plates preferably being inserted into corresponding grooves of the housing (1) and of the cover (16).
- Device according to one of the preceding claims, characterized in that the at least one gear mechanism consists of a first gearwheel (13, 13a, 13b) sitting on the drive axis of the motor (4, 4a, 4b), a second gearwheel (11, 11a, 11b) sitting on the axis of rotation of the spindle (5, 5a, 5b) and an intermediate gearwheel (12, 12a, 12b) meshing with said gearwheels.
- Device according to one of the preceding claims, characterized in that detectors for detecting the position of the bridge plates (9a, 9b) are provided, the detectors preferably each consisting of a magnet (14, 14a, 14b) arranged on one of the bridge plates (9a, 9b) and a Hall sensor corresponding to said magnet.
- Device according to one of the preceding claims, characterized in that two motors (4a, 4b), two gear units and two spindles (5a, 5b) provided with a spindle nut (6a, 6b) are provided.
- Device according to one of Claims 1 to 7, characterized in that precisely one motor (4) is provided which drives precisely one spindle (5) and thus precisely one spindle nut (6) via precisely one gear mechanism.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017117139.8A DE102017117139A1 (en) | 2017-07-28 | 2017-07-28 | closing device |
PCT/DE2018/100672 WO2019020149A1 (en) | 2017-07-28 | 2018-07-30 | Locking device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3658726A1 EP3658726A1 (en) | 2020-06-03 |
EP3658726B1 true EP3658726B1 (en) | 2021-09-08 |
Family
ID=63528465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18766120.2A Active EP3658726B1 (en) | 2017-07-28 | 2018-07-30 | Locking device |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3658726B1 (en) |
DE (1) | DE102017117139A1 (en) |
WO (1) | WO2019020149A1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9011080U1 (en) | 1990-07-27 | 1991-01-03 | Schmid, Friedrich, Ing.(grad.), 8417 Lappersdorf | Locking element for locks |
EP0582742B1 (en) | 1992-08-13 | 1996-04-17 | Kaba Schliesssysteme Ag | Locking device for a reinforced door |
DE19526660B4 (en) | 1994-03-09 | 2006-08-31 | Insys Microelectronics Gmbh | Electromechanical lock |
DE102011055420B4 (en) | 2011-11-16 | 2014-01-16 | Insys Microelectronics Gmbh | Lock with double shaft bearing |
-
2017
- 2017-07-28 DE DE102017117139.8A patent/DE102017117139A1/en active Pending
-
2018
- 2018-07-30 WO PCT/DE2018/100672 patent/WO2019020149A1/en unknown
- 2018-07-30 EP EP18766120.2A patent/EP3658726B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3658726A1 (en) | 2020-06-03 |
WO2019020149A1 (en) | 2019-01-31 |
DE102017117139A1 (en) | 2019-01-31 |
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