EP3667825A1 - Borne de connexion de conducteur - Google Patents

Borne de connexion de conducteur Download PDF

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Publication number
EP3667825A1
EP3667825A1 EP19214200.8A EP19214200A EP3667825A1 EP 3667825 A1 EP3667825 A1 EP 3667825A1 EP 19214200 A EP19214200 A EP 19214200A EP 3667825 A1 EP3667825 A1 EP 3667825A1
Authority
EP
European Patent Office
Prior art keywords
main housing
actuating lever
housing part
conductor
cover part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19214200.8A
Other languages
German (de)
English (en)
Other versions
EP3667825B1 (fr
Inventor
Thomas Witte
Muhammet Ali Türkeköle
Jörg TUMOSEIT
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wago Verwaltungs GmbH
Original Assignee
Wago Verwaltungs GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wago Verwaltungs GmbH filed Critical Wago Verwaltungs GmbH
Priority to EP22159986.3A priority Critical patent/EP4071935A1/fr
Publication of EP3667825A1 publication Critical patent/EP3667825A1/fr
Application granted granted Critical
Publication of EP3667825B1 publication Critical patent/EP3667825B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/426—Securing by a separate resilient retaining piece supported by base or case, e.g. collar or metal contact-retention clip
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/50—Bases; Cases formed as an integral body
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/11—End pieces for multiconductor cables supported by the cable and for facilitating connections to other conductive members, e.g. for liquid cooled welding cables

Definitions

  • Such conductor terminals are used to clamp at least one electrical conductor to the contact insert by clamping by means of the clamping spring.
  • a conductor terminal is for example from the DE 10 2014 102 517 A1 known.
  • DE 10 2010 060 252 B4 an electrical connection unit is known.
  • DE 20 2006 013 216 U1 a clamping device for a stripping-free conductor connection is known.
  • Other conductor terminals are from the DE 20 2014 011 234 U1 and the DE 10 2014 114 021 A1 known.
  • the invention has for its object to further improve such a conductor terminal with regard to mechanical robustness.
  • the actuating lever is integrated into the stiffening and stabilization of the mechanical structure of the conductor connecting terminal, in particular of the insulating material housing, and thus has an additional function in addition to the function for actuating the clamping spring, namely increasing the mechanical stability of the conductor connecting terminal.
  • a tensile force is applied to the cover part, for example by pulling from the outside on the electrical conductor clamped on the contact insert, then in the present invention the cover part can, in addition to other fixing elements, such as for example the positive fixing by means of the positive locking element, Support on the further fixation provided by the holding edge of the actuating lever and transfer the forces to other parts of the insulating material housing. In this way, loosening or pulling out the cover part from the main housing part can be effectively counteracted. As a result, the maximum permissible conductor pull-out forces of the conductor terminal can be increased.
  • the at least one form-locking element is used to fix the cover part to the main housing part.
  • a form-locking element can be designed, for example, as a locking element, so that the cover part can be fixed to the housing part by means of locking by means of this form-locking element or locking element.
  • the at least one form-locking element can be an integral part of the cover part, e.g. in that the at least one form-locking element is formed in one piece with the cover part.
  • the cover part can, for example, have a corresponding counter contour which interacts with the holding edge for securing the cover part on the main housing part.
  • the contact insert has at least one clamping spring.
  • the clamping spring can have a contact leg, a spring arch adjoining the contact leg and a clamping leg adjoining the spring arch.
  • the clamping leg can have a clamping edge at its free end ends that serve to clamp the electrical conductor.
  • the contact leg serves for the mechanical fastening and support of the clamping spring on at least part of the conductor connection terminal, for example on the actuating lever, on a busbar and / or on the insulating material housing.
  • the contact insert can additionally have, for example, a busbar which is coupled to the clamping spring.
  • the busbar can have a conductor support area on which the electrical conductor to be clamped is pressed against the busbar by means of the clamping spring. The clamping point is then formed between the clamping edge of the clamping leg and the conductor contact area of the busbar.
  • the actuating lever has at least one open and one closed position.
  • the open position of the actuating lever can correspond to an open clamping point
  • the closed position of the actuating lever can correspond to a closed clamping point.
  • an electrical conductor is clamped by means of the clamping spring; when the clamping point is open, the electrical conductor can be removed from the clamping point essentially without effort or inserted into the clamping point.
  • the main housing part can, for example, have a recess or opening which can be used to arrange the contact insert in the main housing part.
  • the cover part is used, which can, for example, be fully or partially inserted into the recess or opening and can be fixed therein.
  • the insulating material housing has a conductor insertion opening.
  • the conductor insertion opening can be arranged on the main housing part or on the cover part.
  • the cover part can, for example, have a conductor insertion channel adjoining the conductor insertion opening, through which an electrical conductor can be guided specifically to the clamping point.
  • the cover part is secured against detaching from the main housing part at least when the actuating lever is closed by means of the at least one retaining edge in that the at least one form-locking element of the cover part is encompassed by the at least one holding edge.
  • the positive locking element which already serves to fix the cover part on the main housing part, is additionally used for the fixation between the actuating lever and the cover part.
  • the mentioned counter-contour of the cover part can be realized by the at least one form-fitting element, for example by a fixing edge of the form-fitting element acting as a counterpart to the holding edge.
  • an electrical conductor on the contact insert can be fixed by spring force by means of the clamping spring, a tensile force exerted on the electrical conductor outside the conductor connecting terminal being transferable to the contact insert and from there to the cover part and from the cover part to the actuating lever . Due to the power chain formed in this way, the tensile force exerted on the electrical conductor can be effectively transmitted to the actuating lever and thus at least partially derived from the cover part.
  • the tensile force exerted on the electrical conductor outside the conductor connection terminal can be transmitted from the actuating lever to the main housing part.
  • the aforementioned power chain can be continued up to the main housing part, that is to say to a point at which the actuating lever is in turn fastened and / or supported on the main housing part.
  • the actuating lever has a spring actuation area on which at least one spring actuation element is arranged for deflecting the clamping spring, and a manual grip area on which the actuation lever is to be operated manually, the holding edge being arranged in the manual grip area is.
  • the holding edge can be arranged at a suitable point on the actuating lever without affecting the areas of the actuating lever which affect the actuating mechanism of the clamping spring or which may have to be redesigned.
  • the actuating lever has at least one recess on its side facing the cover part, on which the holding edge is arranged.
  • the recess with the holding edge can be arranged, so to speak, on the inside of the actuation lever and in particular on the inside of the manual actuation area.
  • the fixing of the cover part by means of the actuating lever can be made particularly efficient.
  • this fixation is not disturbing for the manual actuation of the actuation lever and the visual appearance of the conductor connection terminal.
  • the recess can in particular be designed in the manner of a blind hole, that is to say as a recess which does not completely penetrate the actuating lever or the manual actuating region.
  • an area of the form-locking element of the cover part protruding from the main housing part projects into the recess in the closed state of the actuating lever.
  • the actuating lever can be locked in place on the main housing part at least in the closed position. This can ensure that the actuating lever remains in the closed position in a defined manner, even if the conductor connecting terminal is loaded, for example, by vibration or similar external influences.
  • the latching fixation of the actuating lever on the main housing part can be realized, for example, in that the main housing part has at least one housing latch element which is designed to interact with at least one lever latch element arranged on the actuating lever.
  • the actuating lever can be locked in place, at least in the closed position, by the cooperation of the lever locking element with the housing locking element.
  • the lever locking element can be designed, for example, as one or two locking pins projecting laterally from the manual actuation area on opposite sides.
  • the housing locking element can be designed as a locking recess assigned to the respective lever locking element in a side wall of the main housing part. The locking pins can then engage in the locking recesses of the main housing part.
  • the main housing part has a resilient latching tongue which, when the cover part is attached to the main housing part, engages under the form-locking element of the cover part and engages behind with a latching edge.
  • the main housing part on the side facing the actuating lever can have a latching tongue projecting parallel to the direction of insertion of the conductor with an end latching hook.
  • the form-locking element of the cover part can be designed, for example, as a bow-shaped retaining tab, which is latched under and behind the latching tongue with its latching hook at the end. The locking edge is thus formed on the locking hook at the end.
  • the cover part has a further form-fitting element on the side facing away from the form-fitting element, which is set up for a form-fitting connection with a holding element of the main housing part.
  • the cover part can be positively connected to the main housing part at at least two spaced apart locations.
  • the main housing part has an upper side on which the actuating lever protrudes from the main housing part at least in the open position and a lower side opposite the upper side, the main housing part having a plurality of vertical walls connecting the upper side to the underside, wherein a side fixing element is arranged on at least one vertical wall, by means of which the cover part can be fixed laterally by positive locking on the main housing part.
  • a side fixing element is arranged on at least one vertical wall, by means of which the cover part can be fixed laterally by positive locking on the main housing part.
  • a side positive locking element assigned to the side fixing element can be arranged on the cover part, with which the positive connection to the side fixing element is produced when the cover part is attached to the main housing part.
  • the form-fitting connection can be designed, for example, as a latching connection, in which case the side fixing element can be designed as a latching element, for example with a latching tongue aligned parallel to the direction of insertion of the conductor, with an end latching hook.
  • Another possible implementation for the side fixing element is the design as a locking pin and / or with a dovetail geometry.
  • the vertical walls can in particular be designed as side walls of the main housing part, that is to say as side walls which limit the main housing part to the outside.
  • the conductor connection terminal is designed as a multi-pole conductor connection terminal that has a plurality of conductor connection chambers that are separate from one another
  • the insulating material housing can also form inner partition walls in addition to the side walls, through which additional vertical walls can be realized.
  • the side fixing elements mentioned can also be implemented on such partition walls.
  • the indefinite term “a” is not to be understood as a numerical word. So if e.g. When one speaks of a component, this should be interpreted in the sense of "at least one component”. Insofar as angles are given in degrees, they refer to a circular dimension of 360 degrees (360 °).
  • the Figure 1 first shows the main components of the conductor terminal 1.
  • the conductor terminal 1 is formed in the illustrated embodiment as a two-pin connector.
  • the conductor connection terminal 1 has a connector region 6 and a conductor connection region 7.
  • the conductor connection terminal 1 has an insulating material housing 2 that extends over the connector region 6 and the conductor connection region 7.
  • the conductor connection terminal 1 also has an actuating lever 5 for each of the two contact inserts arranged in the insulating material housing 2 (as will be explained below).
  • the operating lever 5 is in the upper area Figure 1 reproduced in the closed position, in the lower area in the open position.
  • section lines AA and BB are drawn in, using which the Figures 2 and 3rd the inner structure of the conductor terminal 1 is to be explained.
  • the conductor connection terminal 1 is constructed identically in both areas, that is to say in the area of section line BB and section line AA, so that the statements apply to both areas.
  • section line AA has a vertical offset approximately in the middle of the conductor connection area 7, so that the section line AA does not reflect a continuous section plane.
  • the Figure 2 shows the section along the section line BB.
  • the insulating material housing 2 is formed at least in two parts, with a main housing part 20 and a cover part 21 that is inserted in a recess in the main housing part 20 and is fastened in a form-fitting manner.
  • a contact insert in the conductor connection area 7 which has a clamping spring 4 and a busbar 3.
  • the clamping spring 4 has a contact leg 40, a spring arch 41 adjoining the contact leg 40 and a clamping leg 42 adjoining the spring arch 41.
  • the clamping leg 42 has a clamping edge 43 at its free end.
  • the busbar 3 has a conductor connection area 30 in which, for example, a bead can be formed.
  • An electrical conductor can be clamped at a clamping point formed between the clamping edge 43 and the conductor connection area 30.
  • the electrical conductor can be inserted into the insulating material housing 2 through a conductor insertion opening 22.
  • the conductor insertion opening 22 can be arranged in the cover part 21.
  • the conductor connection terminal 1 has a plug contact, which in this exemplary embodiment is designed as a socket contact designed as a fork contact with opposing contact limbs 61, 62.
  • the contact forks 61, 62 are connected to one another via a vertically running connecting section 63.
  • the busbar 3 can be formed in one piece in the form of a metal part with the contact legs 61, 62 and the connecting section 63.
  • the insulating material housing 2 has a plug contact insertion opening 60 at the end of the connector region 6. Through this plug contact insertion opening 60, a contact pin or a contact knife can be inserted and clamped between the contact legs 61, 62.
  • the arrangement of the socket contact and the contact pin or contact knife can alternatively also be interchanged.
  • the conductor terminal 1 also has an actuating lever 5, which serves to actuate the clamping leg 42 of the clamping spring 4.
  • the actuating lever 5 has spring actuating elements 52 arranged laterally on side cheeks 51 of the actuating lever 5, which can be designed, for example, as actuating cams. If the operating lever 5 of the in Figure 2 pivoted closed position shown in the open position, the clamping leg 42 is moved by means of the spring actuating elements 52 and in particular moved away from the busbar 3, so that the clamping point is opened.
  • the operating lever 5 extends from the side cheeks 51 further to a manual grip area 50, on which the operating lever 5 can be operated manually.
  • the manual grip area 50 can protrude beyond the outer contour of the insulating material housing 2, so that it can be easily gripped even in the closed position and moved away from the closed position.
  • the cover part 21 is positively attached to the main housing part 20.
  • the cover part 21 has a form-locking element 25, which is engaged and engaged behind by a latching tongue 23 of the main housing part 20.
  • the latching tongue 23 has in particular a latching edge 24 with which the form-locking element 25 is engaged.
  • the cover part 21 has a further form-locking element 26, for example a latching lug, with which the cover part 21 is additionally positively connected to the main housing part 20, specifically to a holding element 27 of the main housing part 20.
  • the holding element 27 can be designed, for example, as a locking recess.
  • actuating lever 5 has a holding edge 54, for example a holding edge 54 arranged on the manual grip area 50, which cooperates with the form-locking element 25 of the cover part 21 and this at least in the closed position of the actuating lever 5 engages behind.
  • FIG 3 shows the conductor terminal 1 in the section line AA. In this view, both are in Figure 1
  • Actuating lever 5 shown can be seen, that is, one operating lever arranged in the closed position and the other in operating lever shown in the open position. This makes it particularly clear that the actuating lever 5 can have a blind hole-like recess 53 on the underside, on which the holding edge 54 is formed.
  • the actuating lever 5 can, in particular on the manual grip area 50, have lever latching elements 55 projecting laterally on one or both sides, for example in the form of latching pins. These lever locking elements 55 can cooperate with housing locking elements, which are formed on the main housing part 20, for the locking fixing of the actuating lever 5.
  • the housing locking elements 28 can be designed, for example, as locking recesses. Accordingly, the locking pins can engage in the locking recesses of the main housing part 20 when the operating lever 5 is in the closed position.
  • the Figure 4 shows the cover part 21 in a perspective view.
  • the bow-like or bridge-like shape of the form-locking element 25 can be seen.
  • the Figure 5 shows the cover part 21 additionally in a lateral sectional view.
  • lever catch elements 55 can be arranged on both sides of the manual grip area 50.
  • the spring actuating elements 52 protrude toward the inside of the side cheeks 51, that is to say to the region surrounded by the side cheeks 51.
  • the two spring actuation elements 52 can also be connected to form a continuous single spring actuation element.
  • the actuating lever 5 can have laterally protruding bearing journals 56 in addition to the defined bearing and rotary guide. These journals 56 can engage in corresponding mounting holes in the main housing part 20. Alternatively, the actuating lever 5 can also be floating in the insulating housing 2. In this case, the journals 56 are not required.
  • a further positive coupling between the cover part 21 and the main housing part 20 can be realized by side fixing elements 29.
  • the main housing part has an upper side 80, a lower side 81 opposite the upper side 80 and a plurality of vertical walls 82, 83, 84 connecting the upper side 80 to the lower side 81.
  • the vertical walls 82, 83 can be designed as side walls, which laterally limit the insulating material housing 2 to the outside.
  • At least one intermediate wall can be present as a further vertical wall 84 in the interior of the insulating material housing 2.
  • the enlarged detail of the Figure 10 illustrates one or more side fixing elements 29 can be arranged.
  • the side fixing elements 29 can be positively connected to the respective side positive locking elements 85 of the cover part 21. In this way, bending or bending of a vertical wall 82, 83, 84 in particular can be prevented.
  • Such a side fixing element 29 can be designed, for example, as a latching element, for example with a latching tongue and an end latching hook, such as in particular by the Figure 10 is made clear. Such a locking element can then engage behind an associated side form-locking element 85.
EP19214200.8A 2018-12-11 2019-12-06 Borne de connexion de conducteur Active EP3667825B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22159986.3A EP4071935A1 (fr) 2018-12-11 2019-12-06 Borne de connexion de conducteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018131794.8A DE102018131794B4 (de) 2018-12-11 2018-12-11 Leiteranschlussklemme

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP22159986.3A Division EP4071935A1 (fr) 2018-12-11 2019-12-06 Borne de connexion de conducteur
EP22159986.3A Division-Into EP4071935A1 (fr) 2018-12-11 2019-12-06 Borne de connexion de conducteur

Publications (2)

Publication Number Publication Date
EP3667825A1 true EP3667825A1 (fr) 2020-06-17
EP3667825B1 EP3667825B1 (fr) 2022-07-13

Family

ID=68834980

Family Applications (2)

Application Number Title Priority Date Filing Date
EP22159986.3A Pending EP4071935A1 (fr) 2018-12-11 2019-12-06 Borne de connexion de conducteur
EP19214200.8A Active EP3667825B1 (fr) 2018-12-11 2019-12-06 Borne de connexion de conducteur

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP22159986.3A Pending EP4071935A1 (fr) 2018-12-11 2019-12-06 Borne de connexion de conducteur

Country Status (5)

Country Link
US (1) US10892578B2 (fr)
EP (2) EP4071935A1 (fr)
JP (1) JP7469870B2 (fr)
CN (1) CN111313161B (fr)
DE (1) DE102018131794B4 (fr)

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Publication number Priority date Publication date Assignee Title
USD929343S1 (en) * 2019-06-27 2021-08-31 Jiangmen Krealux Electric Appliances Co., Ltd. Terminal block
USD937219S1 (en) * 2019-06-27 2021-11-30 Jiangmen Krealux Electrical Appliances Co., Ltd. Wire connector for terminal block
JP6897847B1 (ja) 2020-06-02 2021-07-07 三菱マテリアル株式会社 絶縁樹脂回路基板の製造方法

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US20200185852A1 (en) 2020-06-11
DE102018131794A1 (de) 2020-06-18
CN111313161A (zh) 2020-06-19
EP3667825B1 (fr) 2022-07-13
DE102018131794B4 (de) 2023-06-01
CN111313161B (zh) 2024-02-06
JP2020095954A (ja) 2020-06-18
US10892578B2 (en) 2021-01-12
JP7469870B2 (ja) 2024-04-17

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