EP3372549B1 - Préhenseur et traverse comprenant au moins un préhenseur - Google Patents
Préhenseur et traverse comprenant au moins un préhenseur Download PDFInfo
- Publication number
- EP3372549B1 EP3372549B1 EP18000233.9A EP18000233A EP3372549B1 EP 3372549 B1 EP3372549 B1 EP 3372549B1 EP 18000233 A EP18000233 A EP 18000233A EP 3372549 B1 EP3372549 B1 EP 3372549B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strut
- gripper
- support
- mouth
- vertical
- 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
Links
- 238000010276 construction Methods 0.000 description 5
- 239000000725 suspension Substances 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/108—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means for lifting parts of wind turbines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/24—Single members engaging the loads from one side only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/445—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces motor actuated
Definitions
- the invention relates to a C-gripper for arrangement on a traverse or on a suspension element and a traverse with at least one such C-gripper for transporting items to be lifted, the height of the C-gripper being adjustable.
- C grippers have been known for many years, including from EP 2 873 641 A1 .
- the C-gripper disclosed there is one with a rigid structure.
- a C-gripper is disclosed which can be dismantled into an upper part and a lower part.
- This document shows a device suitable for handling items to be lifted, this device - in its assembled state - representing a "C gripper". It consists of an upper strut, a vertical strut and a support strut, on or on which the lifted item can be arranged, the upper strut and the vertical strut being rigidly connected to one another and the support strut (the lower part) being rotatably connected to the vertical strut.
- the font US 6,379,104 B1 discloses a C-gripper suitable for handling items to be lifted.
- This gripper consists of an upper strut, a vertical strut and a support strut, on or to which the lifted goods can be arranged, the upper strut and the vertical strut being rotatably connected to one another, the support strut being rigidly connected to the vertical strut and the vertical strut being telescopic.
- the object of the invention is accordingly to provide a C-gripper or a traverse with at least one such C-gripper, wherein the gripper or the traverse can be reduced in its spatial volume or its usually rigid shape can be changed and the damage potential in the Corner areas of the vertical strut is reduced.
- a C-gripper for handling an item to be lifted which is intended to be placed on a traverse or on a suspension element, for example a crane hook, consists of an upper strut, a vertical strut and a support strut, which forms a so-called hook base on which the The item to be lifted can be placed on, in which case, within the meaning of the invention, in addition to the placement as such, the item to be lifted can also be suspended from the support strut.
- the items to be lifted are arranged on or on the support strut.
- the top strut and the vertical strut are, as in conventional constructions, rigidly connected to one another and are arranged essentially at right angles to one another, other angles likewise being within the scope of the invention.
- the support strut is not rigid, but rather rotatably mounted to the vertical strut in such a way that a clear dimension (h) of a mouth of the C-gripper can be changed, so it can be enlarged or reduced.
- the vertical strut is also telescopic. It is designed as a telescopic strut.
- the telescopic vertical strut is locked by means of a known holding device, for example at least one bolt per segment or similar holding devices. All devices that provide a functionally reliable locking can be considered.
- the rotatably mounted support strut is locked, so the setting of the clear dimension (h) of the mouth and thus also the regulation of the rotary movement, by means of at least one pliable load means, which is moved relative to the vertical strut in the direction of the mouth of the C-gripper on the upper strut and the support strut is arranged in a functionally reliable manner.
- the at least one pliable load means is displaced parallel to the vertical strut in the direction of the mouth of the C-gripper on the upper strut and the support strut in a functionally reliable manner.
- the at least one pliable load means is, for example, a sling with rotatably mounted receptacles, such as rollers, on the upper strut and the support strut and can be changed in length, for example by means of winches, winches or other known suitable devices.
- the shift takes place to the extent that it is structurally necessary. It can be varied according to the construction and the type of material being lifted.
- the rotatably mounted support strut is advantageously connected at its own free end to a free end of the vertical strut.
- the setting of the clear dimension (h) of the mouth is advantageously carried out in such a way that the support strut is arranged at a right angle to the telescopic strut.
- other angular dimensions are also within the scope of the invention, provided that the functionality of the C-gripper is not impaired.
- both the top strut, the vertical strut and the support strut in the context of the invention are not to be understood as just a single strut, but can also represent different struts or other structural arrangements. When considering the device as a whole, however, these each form an assembly that can be defined as an upper strut, vertical strut or support strut.
- the device according to the invention can thus be changed with regard to the height of the C-gripper, so that an optimized transport is possible.
- the telescopic vertical strut in the locked position only absorbs the compressive forces in use with the goods to be lifted, the tensile forces being absorbed by the at least one pliable load means.
- This construction enables the vertical strut to be reduced in terms of its thickness and thus to save weight.
- the corner areas of the vertical strut are less stressed by the construction according to the invention when the C-gripper is used, so that the potential for damage to these areas is reduced.
- the support strut has several height-adjustable support segments for adaptation to the external geometry of the item to be lifted, such as a rotor blade or some other component of a wind power plant, which protrude into the mouth of the C-gripper.
- the upper strut can furthermore have a known clamping device which is displaceable relative to the support element and which points into the mouth of the C-gripper in order to be able to lock the item to be lifted.
- the clamping device itself is offset to the vertical strut in the direction of the mouth and to the at least one pliable load means on the upper strut and is displaceable in the direction of the support strut, so that in the locked position a force can be exerted on the item to be lifted that prevents or minimizes its slipping.
- the at least one pliable load means is then also tensioned because, as already explained, it absorbs the tensile forces acting on the C-gripper, such as the support strut and the vertical strut.
- the tension of the at least one pliable load means is given, as it were, if only the load is arranged with its own weight on or on the support strut and thus a tension of the at least one pliable load is caused due to the weight of the load.
- the at least one pliable load means can also be removed and stowed.
- the support traverse can then be locked using a rigid strut.
- the invention also relates to a crossbeam, for example a beam crossbeam, for handling items to be lifted, the crossbeam having at least one above-described C gripper.
- the traverse can also be arranged in a known manner like the C-gripper itself on one or more suspension elements of a crane-like hoist.
- the traverse preferably has two C-grippers at their free ends, which are removable in order to be able to transport an elongated item to be lifted, such as a rotor blade of a wind turbine. Transporting elongated items to be lifted is also possible with the use of at least two C grippers.
- a removability of the at least one C-gripper is advantageous if the traverse with the C-grippers according to the invention is to be dismantled in a conventional container.
- it is composed of at least two mutually rotatably mounted segments that allow the crossbeam to be folded and thus reduce its length.
- the at least two segments are preferably connected to one another in a rotatable manner on narrow sides.
- a C-gripper 1 can be seen, which can be arranged on a cross member 11 .
- the C-gripper 1 consists of an upper strut 2, a vertical strut 3 and a support strut 4.
- the support strut 4 has several support segments 9 and forms a so-called hook base on which the item to be lifted 14 can be placed.
- the top strut 2 and the vertical strut 3 are rigidly connected to one another as in conventional constructions and are arranged at right angles to one another.
- the support strut 4 is not rigid, but rotatably connected to the vertical strut 3 in such a way that a clear dimension (h) of a mouth 5 of the C-gripper 1 can be changed, enlarged or reduced.
- the support strut 4 is thus pivotable, which is shown in Fig. 2 is indicated by the arrows.
- the vertical strut 3 can be telescoped, in the exemplary embodiment it can be telescoped twice.
- the telescopic vertical strut 3 is locked by means of two holding devices 6, for example by means of a bolt per segment.
- the rotatably mounted support strut is locked, so the setting of the clear dimension (h) of the mouth, by means of a pliable load means 7, which is moved relative to the vertical strut 3 in the direction of the mouth 5 of the C-gripper 1 on the upper strut 2 and the support strut 4 is posted by means of rotatable receptacles 8 .
- the pliable load means 7 is displaced parallel to the vertical strut 3 in the direction of the mouth 5 of the C-gripper 1 on the upper strut 2 and the support strut 4 .
- the flexible load means 7 is a loop and is arranged on rotatably mounted receptacles 8, namely rollers, on the top strut 2 and the support strut 4 . Its length can be changed.
- the support strut and the vertical strut are arranged at right angles to one another in the exemplary embodiment.
- the upper strut 2 has a known clamping device 10 which can be displaced relative to the support element 4 and points into the mouth 5 of the C-gripper 1 , in order to be able to lock the item 14 to be lifted.
- the clamping device 10 itself is offset from the vertical strut 3 and the limp-load means 7 towards mouth 5 disposed on the upper beam 2 and can be displaced, so that a force can be in locking position on the hoisting strap 14 in the direction of the support rib 9 can be applied which prevents the same from slipping or minimized.
- the pliable load means 7 is then also tensioned. It then absorbs the tensile forces acting on the C gripper 1, i.e.
- the tension of the pliable load means 7 is given, as it were, if only the load 14 rests with its own weight on the support strut 4 and thus a tension of the pliable load means 7 is caused due to the weight of the load 14 , Fig. 1 .
- the segments are arranged pivotably relative to one another on respective narrow sides 13 .
- the traverse 11 has a C gripper 1 at each of its free ends. These are removable in order to be able to stow the traverse 11 with the C grippers 1 according to the invention in a conventional container.
- the traverse 11 composed of the three segments 12 mounted rotatably with respect to one another can be folded. This ensures space-saving storage of the traverse.
- the traverse 11 with its two C grippers 1 is suitable for the transport of elongated items to be lifted, such as tower segments or rotor blades of wind turbines.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Claims (12)
- Préhenseur en C (1) pour la manipulation d'un article à soulever (14), constitué- d'une barre supérieure (2), d'une barre verticale (3) et d'une barre d'appui (4), sur ou contre laquelle l'article à soulever (14) peut être disposé, où- la barre supérieure (2) et la barre verticale (3) sont fixement raccordées l'une à l'autre,- la barre d'appui (4) est raccordée de manière pivotante à la barre verticale (3), de manière permettre la modification d'une hauteur (h) d'ouverture (5) du préhenseur en C (1),- la barre verticale (3) est télescopique,- le blocage de la barre verticale (3) télescopique est effectué au moyen d'un dispositif d'arrêt (6), et- le blocage de la barre d'appui (4) montée pivotante est effectué au moyen d'au moins un support de charge lâche à la flexion (7), lequel est décalé de la barre verticale (3) dans la direction de l'ouverture (5) du préhenseur en C (1) sur la barre supérieure (2) et la barre d'appui (4).
- Préhenseur en C (1) selon la revendication 1, où ledit au moins un support de charge lâche à la flexion (7) est décalé parallèlement à la barre verticale (3) dans la direction de l'ouverture (5) du préhenseur en C (1) sur la barre supérieure (2) et la barre d'appui (4).
- Préhenseur en C (1) selon la revendication 1 ou la revendication 2, où ledit au moins un support de charge lâche à la flexion (7) est une boucle avec des fixations (8) montées rotatives contre la barre supérieure (2) et la barre d'appui (4).
- Préhenseur en C (1) selon l'une des revendications précédentes, où la longueur dudit au moins un support de charge lâche à la flexion (7) peut être modifiée.
- Préhenseur en C (1) selon l'une des revendications précédentes, où la barre d'appui (4) forme un angle droit avec la barre télescopique (3).
- Préhenseur en C (1) selon l'une des revendications précédentes, où la barre d'appui (4) présente plusieurs segments d'appui (9) réglables en hauteur pour ajustement à la géométrie extérieure de l'article à soulever (14), lesquelles sont disposées en saillie dans l'ouverture (5) du préhenseur en C (1).
- Préhenseur en C (1) selon l'une des revendications précédentes, où la barre supérieure (2) présente un dispositif de serrage (10) déplaçable par rapport à la barre d'appui (4) et dirigé vers l'ouverture (5) du préhenseur en C (1) pour fixer l'article à soulever (14).
- Préhenseur en C (1) selon la revendication 7, où le dispositif de serrage (10) est disposé en décalage par rapport à la barre verticale (3) dans la direction de l'ouverture (5) et par rapport audit au moins un support de charge lâche à la flexion (7) sur la barre supérieure (2) et est déplaçable dans la direction de la barre d'appui (4).
- Traverse (11) pour la manipulation d'un article à soulever, où ladite traverse (11) comprend au moins un préhenseur en C (1) selon l'une des revendications 1 à 8.
- Traverse (11) selon la revendication 9, où ladite traverse (11) comprend deux préhenseurs en C (1) à ses extrémités libres.
- Traverse (11) selon la revendication 9 ou la revendication 10, où la traverse (11) se compose d'au moins deux segments (12) montés pivotants l'un par rapport à l'autre.
- Traverse (11) selon la revendication 11, où les au moins deux segments (12) sont raccordés l'un à l'autre par montage pivotant sur leurs largeurs (13) et sont rabattables en conséquence.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017002138.4A DE102017002138B4 (de) | 2017-03-08 | 2017-03-08 | Greifer und Traverse mit mindestens einem Greifer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3372549A1 EP3372549A1 (fr) | 2018-09-12 |
EP3372549B1 true EP3372549B1 (fr) | 2020-10-07 |
Family
ID=61622292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18000233.9A Active EP3372549B1 (fr) | 2017-03-08 | 2018-03-06 | Préhenseur et traverse comprenant au moins un préhenseur |
Country Status (6)
Country | Link |
---|---|
US (1) | US10259690B2 (fr) |
EP (1) | EP3372549B1 (fr) |
CN (1) | CN108569620B (fr) |
DE (1) | DE102017002138B4 (fr) |
DK (1) | DK3372549T3 (fr) |
ES (1) | ES2842873T3 (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK180454B1 (en) * | 2018-09-13 | 2021-05-06 | Liftra Ip Aps | ROTOR WING CLAMPING TOOL |
EP3792211A1 (fr) * | 2019-09-16 | 2021-03-17 | Siemens Gamesa Renewable Energy A/S | Outil de levage pour soulever une pale d'éolienne, agencement de levage, système d'installation d'éolienne et procédé d'assemblage d'une pale d'éolienne avec un moyeu d'éolienne |
EP3812334A1 (fr) * | 2019-10-24 | 2021-04-28 | Siemens Gamesa Renewable Energy A/S | Appareil de transport |
DK3885304T3 (da) * | 2020-03-27 | 2024-05-27 | General Electric Renovables Espana Sl | Fastspænding af komponenter, især vindmøllevingespidser |
CN111908330B (zh) * | 2020-07-13 | 2022-08-02 | 李斌宇 | 一种带有自动限位组件的汽车起重机提拉装置 |
KR20230054888A (ko) * | 2020-08-26 | 2023-04-25 | 장수 골드윈드 싸이언스 앤 테크놀로지 코., 엘티디. | 블레이드 보유 제어 방법 및 시스템, 및 블레이드 인양 장치를 위한 제어 시스템 |
CN112010163B (zh) * | 2020-08-26 | 2023-03-24 | 江苏金风科技有限公司 | 叶片夹具和叶片吊装设备 |
CN114132835B (zh) * | 2020-09-03 | 2024-02-23 | 江苏金风科技有限公司 | 叶片吊装工装 |
CN116648327A (zh) * | 2020-11-25 | 2023-08-25 | 泰普爱复合材料股份有限公司 | 用于风力涡轮机叶片的通用支撑构件 |
WO2023052655A1 (fr) * | 2021-09-29 | 2023-04-06 | Optimus Crane, S.L. | Dispositif et procédé de retenue de charges et système d'élévation de charges |
DE102022104895A1 (de) | 2022-03-02 | 2023-09-07 | Hawart Sondermaschinenbau Gmbh | Hebevorrichtung zum Anheben eines Rotorblattes und Haltevorrichtung dafür |
CN115140651A (zh) * | 2022-05-25 | 2022-10-04 | 四川宏华石油设备有限公司 | 一种风机叶片吊具摇摆机构及方法 |
DK181535B1 (en) * | 2022-09-27 | 2024-04-10 | Danhydra As | Lifting yoke |
Family Cites Families (20)
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BE504728A (fr) * | 1950-07-21 | |||
DE884021C (de) * | 1951-10-14 | 1953-08-10 | Arthur Graef | Stapler |
US3998488A (en) * | 1976-04-12 | 1976-12-21 | Caterpillar Tractor Co. | Connecting element for moving means |
US4181341A (en) * | 1978-03-03 | 1980-01-01 | Dean Research Corporation | Apparatus for lifting sheet material |
US4722106A (en) * | 1986-04-16 | 1988-02-02 | Stow-A-Crane Division | Beehive lifting device |
IT1226088B (it) * | 1988-09-27 | 1990-12-10 | Marinestar Nautica Di Tana Gui | Sistema di alaggio e varo per sollevamento di imbarcazioni |
AU7317500A (en) * | 1999-09-20 | 2001-04-24 | Himecs Corp | Winding roll lifting device |
US6379104B1 (en) * | 2000-06-29 | 2002-04-30 | United States Of America As Represented By The Secretary Of The Navy | Single side entry container lifting device |
CN101559903A (zh) * | 2008-04-15 | 2009-10-21 | 天津港第二港埠有限公司 | 扇叶专用吊具 |
WO2010124744A1 (fr) * | 2009-04-29 | 2010-11-04 | Siemens Aktiengesellschaft | Système de levage de pale avec portes de type saloon |
US8360398B2 (en) * | 2011-08-17 | 2013-01-29 | General Electric Company | Device for handling a wind turbine rotor blade and a method for handling wind turbine rotor blades |
CN202687767U (zh) * | 2012-04-27 | 2013-01-23 | 济南吉利汽车有限公司 | 轿车车身吊具 |
CN103010935B (zh) * | 2012-11-30 | 2014-12-03 | 湖北华昌达智能装备股份有限公司 | 自行小车输送系统及其框式吊具 |
EP2832675B1 (fr) * | 2013-07-29 | 2018-07-04 | Siemens Aktiengesellschaft | Dispositif de préhension de pale |
US20150028608A1 (en) * | 2013-07-29 | 2015-01-29 | General Electric Company | Method and apparatus for handling a rotor blade |
DK177850B1 (en) | 2013-11-15 | 2014-09-22 | Ah Ind As | C-yoke |
DE102015105178A1 (de) * | 2014-11-13 | 2016-05-19 | Ematec Manfred Eberhard Maschinen- Und Greiftechnik E.K. | Aufnahmeelement für ein Rotorblatt |
CN104925647B (zh) * | 2015-06-23 | 2017-01-18 | 上海锅炉厂有限公司 | 一种横向管排起吊装置 |
DE102015008610B3 (de) * | 2015-07-06 | 2016-12-15 | Axzion Gks Stahl Und Maschinenbau Gmbh | Transportvorrichtung für lang gestreckte Hebegüter |
CN205916903U (zh) * | 2016-07-20 | 2017-02-01 | 王玉晓 | 一种机械锁紧汽车前桥吊具 |
-
2017
- 2017-03-08 DE DE102017002138.4A patent/DE102017002138B4/de not_active Expired - Fee Related
-
2018
- 2018-03-06 DK DK18000233.9T patent/DK3372549T3/da active
- 2018-03-06 EP EP18000233.9A patent/EP3372549B1/fr active Active
- 2018-03-06 ES ES18000233T patent/ES2842873T3/es active Active
- 2018-03-07 CN CN201810186490.7A patent/CN108569620B/zh not_active Expired - Fee Related
- 2018-03-08 US US15/915,298 patent/US10259690B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
CN108569620A (zh) | 2018-09-25 |
DE102017002138A1 (de) | 2018-09-13 |
EP3372549A1 (fr) | 2018-09-12 |
ES2842873T3 (es) | 2021-07-15 |
US20180257914A1 (en) | 2018-09-13 |
DK3372549T3 (da) | 2021-01-04 |
DE102017002138B4 (de) | 2019-02-28 |
US10259690B2 (en) | 2019-04-16 |
CN108569620B (zh) | 2021-02-23 |
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