WO2019170629A1 - Schnellwechsler - Google Patents
Schnellwechsler Download PDFInfo
- Publication number
- WO2019170629A1 WO2019170629A1 PCT/EP2019/055374 EP2019055374W WO2019170629A1 WO 2019170629 A1 WO2019170629 A1 WO 2019170629A1 EP 2019055374 W EP2019055374 W EP 2019055374W WO 2019170629 A1 WO2019170629 A1 WO 2019170629A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- quick coupler
- carrier
- hook
- receptacles
- fishing
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
- E02F3/3663—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat hydraulically-operated
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
- E02F3/3622—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with a hook and a locking element acting on a pin
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
- E02F3/3627—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with a hook and a longitudinal locking element
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
- E02F3/365—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with redundant latching means, e.g. for safety purposes
Definitions
- the invention relates to a quick coupler according to the preamble of claim 1.
- Such quick couplers are used for easy and convenient change of different attachments to construction equipment.
- a quick coupler e.g. Swing spoons, grapples, shears, compressors, magnets, hydraulic breakers or other attachments in a few seconds and with a high safety standard from a driver's cab of e.g. be connected or disconnected on a boom of an excavator.
- a generic quick coupler is disclosed. This includes a carrier having on one side first recordings for holding a provided on an attachment first coupling element and on the other side second recordings with a movable between a release position and a locking position locking element for releasably supporting a second coupling element.
- a catching device with a hook arrangement for holding a crossbar cooperating with counter hooks on the attachment is provided on the carrier. Since the hook arrangement provided for securing is made in one piece with the carrier, damage to the hook arrangement caused by improper use always also affects the entire carrier. A repair or replacement is therefore associated with a considerable effort.
- the object of the invention is to provide a quick coupler of the type mentioned, can be avoided in the caused by improper loading of the catching damage to the carrier.
- the catching device has at least one fishing hook pivotally connected to the carrier. Due to the pivotable arrangement of the fishing hook can yield, for example, if an operator abuts when handling the quick coupler with the fishing hook on an obstacle or a fishing hook is not used in an unauthorized manner to support an excavator on the ground for turning or repositioning. Impacts or forces acting on the catch hook are thus not transmitted directly to the carrier by the resilience of the catch hooks, as a result of which the connection to the carrier is not so heavily loaded and the carrier is affected as little as possible.
- a damaged by improper use fishing hook can also be easily replaced without replacing the entire carrier. It does not have to be dismantled or changed the entire carrier.
- the at least one catch hook is designed so that it can catch a coupled with the quick coupler attachment even with an unintentional release movement of a locking device, thereby preventing unwanted loosening of the attachment of the quick coupler.
- the catch hook is completely independent of the operator-controlled locking device of the quick coupler and thus provides increased security even with improper operation.
- the catch hook is therefore designed for an operator-independent catching an attachment for additional security.
- the catcher may include one or more separate or interconnected fishing hooks.
- the catching device may comprise two catch hooks pivotally arranged on the first receptacles of the carrier.
- the fishing hooks can be designed as separate and separated from each other pivotable fishing hooks. But they can also be connected to each other.
- the catch hook can be arranged pivotably on a connecting web of the carrier about a transverse axis.
- the connecting web can have a transverse bore and the fishing hook suitable receiving bores for receiving the transverse axis.
- the fishing hook can be rotatably mounted on the transverse axis via bearing bushes. This is a low-friction and well-protected against wear Linkage of the fishing hook to the carrier achieved.
- the transverse axis can be secured by a pin against the carrier against falling out and twisting.
- the connecting web can protrude into a space between two rearwardly projecting legs of the fishing hook.
- the catch hook may have at the ends of the legs pointing to the carrier an upper rounding and a rear contact surface for engagement with a front abutment surface of the carrier.
- the connecting web can protrude into a recess provided with an upper inner surface and a lower inner surface on the rear side of the catch hook. Between the connecting web and the upper or lower inner surface of the recess, an upper and lower gap is preferably provided, in which a damping element is arranged.
- the catch hook can also be inserted via one piece with the catch hook bearing pins as transverse axes in half-shell-shaped receptacles on the carrier and held from below by a counterpart.
- the half-shell-shaped receptacles for the rotatable mounting of the transverse axes can be arranged on the upper side of two mutually spaced, parallel legs on connecting webs of the carrier.
- the long hook is designed for grasping a reaching with the first recordings coupling element.
- Figure 1 shows a first embodiment of a quick coupler with a
- FIG. 3 shows the quick coupler of Figure 1 with a fishing hook assembly in one
- Figure 4 is an enlarged detail view A of Figure 3;
- Figure 5 is an enlarged perspective view of a fishing hook in a lower
- Figure 6 is an enlarged side view of a fishing hook in a lower
- Figure 7 is an enlarged perspective view of a fishing hook in a folded position
- Figure 8 is an enlarged side view of a fishing hook in a folded position
- FIG. 9 shows a second embodiment of a quick coupler with a
- Figure 10 is an enlarged detail view of a fishing hook of the fishing hook assembly of
- FIG 11 is an enlarged detail view of the fishing hook of Figure 10 in one
- Figure 12 shows a third embodiment of a quick coupler with a
- Figure 13 is a detail view of a fishing hook of the fishing hook assembly of Figure 12 in a folded position
- Figure 15 shows a receptacle for the fishing hook of Figure 14 in a detailed view.
- FIG. 1 shows a quick coupler 1 for simple and convenient changing of different attachments on construction machines, in particular excavators.
- Such quick couplers can be easily and conveniently coupled or uncoupled from a cab to a boom or other attachment of an excavator or other construction vehicle such as swing buckets, grippers, shears, magnets, compressors, hydraulic breakers or other mechanical or hydraulic attachments.
- the quick coupler 1 shown contains a designed as a welding or casting support 2, on one side after vome open first receptacles 3 for receiving and holding a first bolt-shaped coupling element and on the other side downwardly open second receptacles 4 for receiving a second bolt-shaped coupling element contains.
- the open after first images 3 are designed claw or fork.
- the downwardly open receptacles 4 have a curved lower contact surface 5 for abutment of the second bolt-shaped coupling element.
- the carrier 2 contains a locking device, which in the embodiments described in more detail below consists of bolt-shaped locking elements, not shown here, which can be moved between a retracted release position and an extended locking position.
- the bolt-shaped locking elements are guided axially displaceably in horizontal guide bores within the carrier 2 and can be moved hydraulically between the retracted release position and the locked locking position via a piston.
- the downwardly open second receptacles 4 are closed by the locking elements arranged displaceably in the carrier 2 on the underside, so that the second bolt-shaped coupling element is engaged by the locking element.
- the carrier 2 comprises on one side two claw-shaped first receptacles 3 for a first coupling element and on the other side two receptacles 4 for a second coupling element.
- an attachment which is usually arranged on a boom of an excavator quick coupler 1 is first moved so that, for example, an adapter or attached to the attachment first coupling element in the claw-shaped receptacles 3 on one side of the Quick coupler 1 is retracted. Then, the quick changer 1 is pivoted with locking bolt still retracted to the first bolt-shaped coupling element so that a second coupling element on the adapter or attachment to rest against the contact surfaces 5 of the downwardly open receptacles 4 on the other side of the quick coupler 1 passes.
- slidably disposed locking bolt can be moved hydraulically, so that the second bolt-shaped coupling element of the two locking bolts on the quick coupler 2 under handles and the attachment is thus held on the quick coupler 1.
- a support 1 shown in FIG additionally catcher 8 is provided.
- the catcher 8 is arranged to engage around the arranged on an adapter or attachment and with the first recordings 3 engaging coupling element leads from ge.
- the catcher 8 is such from ge leads that an attachment is caught in an unintentional release from the coupling position by engagement of the coupling element on the catch hook assembly in a tuck position and thereby held on the quick coupler.
- the catching device 8 comprises two separate catch hooks 9, which are not rigidly arranged on the carrier 2 of the quick coupler 1, but are connected via a kind of hinge about a transverse axis 10 pivotally connected to the carrier 1.
- the two catching hooks 9 are designed such that they have a e.g. engage around the bolt-shaped coupling element on an attachment and the attachment in case of unintentional release of the quick coupler 1 by engaging the coupling element to catch hook 9 in a catching position. Due to the pivotable arrangement, the catch hooks 9 can move between a lower starting position shown in FIG. 1 and an upper folding position shown in FIG.
- the carrier 2 has forwardly projecting connecting webs 11 with a continuous transverse bore 12 for connecting the catching hooks 9.
- the horizontal transverse axis 10 is inserted and secured by a pin 16 against falling out and rotation.
- the transverse axis 10 has at its two ends two storage areas 17 with a reduced diameter.
- the transverse axis 10 is mounted in the connecting web 11 in such a way that the two slender bearing areas 17 protrude with respect to the connecting web 11 on both sides.
- On the two laterally projecting bearing portions 17 of the transverse axis 10 of the long hooks 9 is rotatably supported by two bearing bushes 18.
- the transverse axis 10 For mounting the long hooks 9, these are first placed on the associated connecting web 11 of the carrier 2, that the receiving bores 15 are aligned with the transverse bore 12. Then, the transverse axis 10 is inserted into the transverse bore 12 such that the two end bearing areas 17 of the transverse axis 10 project uniformly on both sides of the connecting web 11. Subsequently, the transverse axis 10 is fixed in this position relative to the connecting web 11 by means of the pin 16. For this purpose, the transverse axis 10 in the middle of a recognizable in Ligur 4 transverse bore 19 for receiving the pin 16. Finally, then the two bearing bushes 18 can be plugged onto the two bearing portions 17 of the transverse axis 10 and pressed into the receiving holes 15 in the legs 14 of the long hook 9.
- the long hooks 9 can move between a starting position shown in the Ligures 5 and 6 and a folding position shown in the Ligures 7 and 8. For example, if an operator when handling the quick coupler 1 with the long hook 9 abuts an obstacle or the long hooks 9 used in an unauthorized manner to support the excavator on the ground for turning or repositioning, the long hooks 9 can fold, so that the connection to the carrier 2 not so heavily loaded and the carrier is therefore as little as possible affected. In case of damage to the long hook 9 this can also be easily replaced if necessary. As can be seen from FIGS.
- the catch hooks 9 on the rear ends of the legs 14 facing the carrier 2 have an upper curve 19 and a rear contact surface 20 for engagement with a front stop surface 21 of the carrier 2.
- the catch hook 9 In the lower starting position of the fishing hook 9 is located with its rear abutment surfaces 20 against the stop surface 21 of the carrier 2, so that the fishing hook 9 is held in this fishing position.
- the catch hook 9 With a corresponding load from below, the catch hook 9 can rotate around the transverse axis 10 due to the rounding 19 and reach an upper folding position.
- the receptacles 3 are closed by the catch hooks 9 to vome, so that an attachment can be safely caught and held at an unintentional release of the lock.
- a reset of the fishing hooks 9 from the folding position to the starting position can be done by gravity or a return spring, not shown.
- FIGS. 9 to 11 show a second exemplary embodiment of a quick coupler 1 according to the invention with a catching device 8.
- the catching device 8 comprises two separate catch hooks 9, which are not rigidly arranged but pivotally mounted on the carrier 2 of the quick coupler 1.
- the two fishing hooks 9 are pivotally connected to connecting webs 11 of the carrier 2 about a transverse axis 10.
- the connecting webs 11 have a transverse bore 12 and the catch hooks 9 corresponding receiving bores 15 for receiving the transverse axis 10.
- the catch hooks 9 have on their rear facing the carrier 2 a recognizable in Figures 10 and 11 recess 22 with an upper and lower inner surface 23 and 24.
- the recess 22 in fishing hooks 2 has a slightly greater height than the block-shaped connecting web 11 , so that between the connecting web 11 and the upper and lower inner surface 23 and 24 of the recess 22 is an upper and lower gap 25 and 26 respectively.
- a Dämpyogngselement 27 is inserted from rubber or other elastic material.
- the fishing hook 9 can be pivoted relative to the carrier 2. However, here the pivoting or folding movement is limited by the size of the gap 25 or 26 and the flexibility of the damping element 27.
- FIGS. 12 to 15 show a third exemplary embodiment of a quick coupler 1 according to the invention with a catching device 8.
- the catching device 8 comprises two separate catch hooks 9, which are not rigidly arranged but pivotally mounted on the carrier 2 of the quick coupler 1.
- the two fishing hooks 9 are also hinged here to connecting webs 11 of the carrier 2 about transverse axes 10 pivotally.
- the transverse axes 10 are not separate bolts or pins which are inserted into corresponding transverse and mounting holes, but integrally with the fishing hooks 9 running trunnions through which the fishing hooks 9 inserted in half-shell-shaped receptacles 28 on the connecting webs 11 and from below are held by a counterpart 29.
- the two laterally projecting transverse axes 10 designed as bearing journals are formed by lateral cutouts 30 on the catch hooks 9.
- the fishing hook contains on its underside a web 31 with transverse bores 32 for two heavy-duty pins 33 and 34, by which the counterpart 29 is attached to the mounting of the catch hook 9 on the connecting web 11.
- the counterpart 29 prevents the catch hook 9 can slide out with its transverse axes 10 from the bearing cup-shaped receptacles 28 upwards.
- the connecting webs 11 in the embodiment shown in FIG. 12 have two parallel legs 35 which are in contact with each other.
- the half-shell-shaped receptacles 28 are arranged for the rotatable mounting of the transverse axes 10.
- fishing hook 9 is inserted with its two laterally projecting transverse axes 10 and secured by the counterpart 29.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Shovels (AREA)
- Jib Cranes (AREA)
- Component Parts Of Construction Machinery (AREA)
- Earth Drilling (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Agricultural Machines (AREA)
- Catching Or Destruction (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020524337A JP7162359B2 (ja) | 2018-03-06 | 2019-03-05 | 迅速交換装置 |
CA3081804A CA3081804C (en) | 2018-03-06 | 2019-03-05 | Quick-change device |
AU2019229524A AU2019229524B2 (en) | 2018-03-06 | 2019-03-05 | Quick-change device |
US17/010,908 US11976435B2 (en) | 2018-03-06 | 2020-09-03 | Quick-change device |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018105049.6A DE102018105049A1 (de) | 2018-03-06 | 2018-03-06 | Schnellwechsler |
DE102018105049.6 | 2018-03-06 | ||
EP18207938.4A EP3536861B1 (de) | 2018-03-06 | 2018-11-23 | Schnellwechsler |
EP18207938.4 | 2018-11-23 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/010,908 Continuation US11976435B2 (en) | 2018-03-06 | 2020-09-03 | Quick-change device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2019170629A1 true WO2019170629A1 (de) | 2019-09-12 |
Family
ID=64456785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2019/055374 WO2019170629A1 (de) | 2018-03-06 | 2019-03-05 | Schnellwechsler |
Country Status (12)
Country | Link |
---|---|
US (1) | US11976435B2 (de) |
EP (1) | EP3536861B1 (de) |
JP (1) | JP7162359B2 (de) |
AU (1) | AU2019229524B2 (de) |
CA (1) | CA3081804C (de) |
DE (1) | DE102018105049A1 (de) |
DK (1) | DK3536861T3 (de) |
ES (1) | ES2959286T3 (de) |
FI (1) | FI3536861T3 (de) |
HU (1) | HUE063693T2 (de) |
PL (1) | PL3536861T3 (de) |
WO (1) | WO2019170629A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022117974A1 (de) * | 2022-07-19 | 2024-01-25 | OilQuick Deutschland KG | Schnellwechsler und schnellwechselsystem mit einem derartigen schnellwechsler |
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IE981051A1 (en) * | 1997-12-16 | 1999-06-16 | Redrock Engineering Ltd | Attachement device for excavating or digging apparatus |
US6154989A (en) | 1997-03-10 | 2000-12-05 | Clark Equipment Company | Attachment construction for earthworking implement |
US6301811B1 (en) * | 2000-07-28 | 2001-10-16 | Gilmore Industries, Inc. | Coupler for a heavy-duty machine |
US20070157492A1 (en) * | 2005-12-13 | 2007-07-12 | Tower Street Technologies Limited | Coupler With Improved Jaw Configuration |
EP2159334A1 (de) * | 2008-08-29 | 2010-03-03 | Riedlberger GmbH | Kupplungsvorrichtung |
CH700307A1 (de) * | 2009-01-23 | 2010-07-30 | Josef Martin Gmbh & Co Kg | Schnellkupplung mit Sicherungseinrichtung. |
US20120177472A1 (en) * | 2009-09-22 | 2012-07-12 | Ian Hill | Hydraulic coupler with pin retention system for coupling an attachment to a work machine |
DE202013004797U1 (de) * | 2013-05-23 | 2014-08-25 | Kinshofer Gmbh | Schnellkuppler |
US20170067223A1 (en) * | 2014-06-26 | 2017-03-09 | Komatsu Ltd. | Quick coupler |
DE102015225498A1 (de) * | 2015-12-16 | 2017-06-22 | Oilquick Deutschland Gmbh | Schnellwechselsystem mit mechanischer sicherheitseinrichtung gegen unbeabsichtigtes ablösen eines arbeitsgerätes |
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-
2018
- 2018-03-06 DE DE102018105049.6A patent/DE102018105049A1/de active Pending
- 2018-11-23 PL PL18207938.4T patent/PL3536861T3/pl unknown
- 2018-11-23 DK DK18207938.4T patent/DK3536861T3/da active
- 2018-11-23 FI FIEP18207938.4T patent/FI3536861T3/en active
- 2018-11-23 EP EP18207938.4A patent/EP3536861B1/de active Active
- 2018-11-23 ES ES18207938T patent/ES2959286T3/es active Active
- 2018-11-23 HU HUE18207938A patent/HUE063693T2/hu unknown
-
2019
- 2019-03-05 AU AU2019229524A patent/AU2019229524B2/en active Active
- 2019-03-05 JP JP2020524337A patent/JP7162359B2/ja active Active
- 2019-03-05 WO PCT/EP2019/055374 patent/WO2019170629A1/de active Application Filing
- 2019-03-05 CA CA3081804A patent/CA3081804C/en active Active
-
2020
- 2020-09-03 US US17/010,908 patent/US11976435B2/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6154989A (en) | 1997-03-10 | 2000-12-05 | Clark Equipment Company | Attachment construction for earthworking implement |
IE981051A1 (en) * | 1997-12-16 | 1999-06-16 | Redrock Engineering Ltd | Attachement device for excavating or digging apparatus |
US6301811B1 (en) * | 2000-07-28 | 2001-10-16 | Gilmore Industries, Inc. | Coupler for a heavy-duty machine |
US20070157492A1 (en) * | 2005-12-13 | 2007-07-12 | Tower Street Technologies Limited | Coupler With Improved Jaw Configuration |
EP2159334A1 (de) * | 2008-08-29 | 2010-03-03 | Riedlberger GmbH | Kupplungsvorrichtung |
CH700307A1 (de) * | 2009-01-23 | 2010-07-30 | Josef Martin Gmbh & Co Kg | Schnellkupplung mit Sicherungseinrichtung. |
US20120177472A1 (en) * | 2009-09-22 | 2012-07-12 | Ian Hill | Hydraulic coupler with pin retention system for coupling an attachment to a work machine |
DE202013004797U1 (de) * | 2013-05-23 | 2014-08-25 | Kinshofer Gmbh | Schnellkuppler |
US20170067223A1 (en) * | 2014-06-26 | 2017-03-09 | Komatsu Ltd. | Quick coupler |
DE102015225498A1 (de) * | 2015-12-16 | 2017-06-22 | Oilquick Deutschland Gmbh | Schnellwechselsystem mit mechanischer sicherheitseinrichtung gegen unbeabsichtigtes ablösen eines arbeitsgerätes |
Also Published As
Publication number | Publication date |
---|---|
PL3536861T3 (pl) | 2023-10-02 |
AU2019229524B2 (en) | 2020-12-24 |
FI3536861T3 (en) | 2023-09-21 |
DK3536861T3 (da) | 2023-09-11 |
ES2959286T3 (es) | 2024-02-22 |
US20200399853A1 (en) | 2020-12-24 |
JP7162359B2 (ja) | 2022-10-28 |
AU2019229524A1 (en) | 2020-07-16 |
CA3081804A1 (en) | 2019-09-12 |
CA3081804C (en) | 2022-09-27 |
JP2021510399A (ja) | 2021-04-22 |
EP3536861A1 (de) | 2019-09-11 |
HUE063693T2 (hu) | 2024-02-28 |
EP3536861B1 (de) | 2023-08-09 |
US11976435B2 (en) | 2024-05-07 |
DE102018105049A1 (de) | 2019-09-12 |
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