SE1550879A1 - Connection Terminal and Electrical Connector - Google Patents
Connection Terminal and Electrical Connector Download PDFInfo
- Publication number
- SE1550879A1 SE1550879A1 SE1550879A SE1550879A SE1550879A1 SE 1550879 A1 SE1550879 A1 SE 1550879A1 SE 1550879 A SE1550879 A SE 1550879A SE 1550879 A SE1550879 A SE 1550879A SE 1550879 A1 SE1550879 A1 SE 1550879A1
- Authority
- SE
- Sweden
- Prior art keywords
- connection terminal
- recited
- wall
- electrical connector
- extending
- Prior art date
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Classifications
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- 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
- H01R13/112—Resilient sockets forked sockets having two legs
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- 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
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
- H01R13/5837—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable specially adapted for accommodating various sized cables
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- 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
- H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/20—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
- H01R4/203—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve having an uneven wire-receiving surface to improve the contact
- H01R4/206—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve having an uneven wire-receiving surface to improve the contact with transversal grooves or threads
Description
15 20 25 30 35 P174191.SE.O1 connected with a conductor of a cable having different diameters and may transmit electrical signal with larger power.
According to the embodiments of one aspect of the present invention, there is provided with a connection terminal, comprising: a base portion including a first side and a second side opposite to each other; a pair of extending arms extending from the first side; and a holding portion formed as a substantial cylinder having a variable diameter and extending from the second side to mechanically fix and electrically connect cables having different diameters. ln the above connection terminal, a slot extending in an axial direction is provided on the holding portion.
The above connection terminal comprises a sleeve shrinkable radially and mounted on the holding portion. ln the above connection terminal, the base portion has a cross section of substantially “U” or ”|'|” shape or substantially rectangle shape, and comprises a first wall, a second wall opposite to the first wall, and a third wall connected between the first wall and the second wall, the pair of extending arms extending from the first wall and the second wall at the first side and, after being bended facing one another ,forming a space therebet\Neen, into which a wiring terminal of an electronic device is allowed to be inserted. ln the above connection terminal, the holding portion is formed by two semi-circle recessed structures extending from the first wall and the second wall at the second side respectively and formed by bending. ln the above connection terminal, internal walls of the recessed structures are provided with a plurality of grooves. ln the above connection terminal, each of the extending arms comprises a plurality of sub-extending arms. ln the above connection terminal, a spring sheet is provided on the third wall. ln the above connection terminal, free ends of the pair of extending arms inclinedly extend outvvards so as to be far away from each other.
According to the embodiments of further aspect of the present invention, there is provided with an electrical connector, comprising: at least one connection terminal according to any one of the above embodiments; and a casing, the connection terminal being mounted within the casing. ln the above electrical connector, the casing comprising: a first mounting portion, the base portions and the holding portions being mounted within the first mounting 10 15 20 25 30 35 P174191.SE.O1 portion; and a second mounting portion, the extending arms being mounted within the second mounting portion. ln the above electrical connector, the second mounting portion comprises a plurality of pairs of vertical Walls, two arms of the pair of first extending arms constructed to abut against the respective walls of a pair of vertical walls, and free ends of the pair of extending arms inclinedly extending outvvards to be far away from each other, such that the pair of extending arms are constructed to elastically clamp a wiring terminal. ln the above electrical connector, a step portion is provided within the first mounting portion, a part of the base portion being arranged to abut against the step portion, to prevent the connection terminal from moving in an insertion direction of the connection terminal into the casing. ln the above electrical connector, a spring sheet is provided on the third wall, and the inner wall of the first mounting portion is provided with a recessed portion for partially accommodating the spring sheet so as to prevent the connection terminal from moving in a direction opposite to the insertion direction. ln the above electrical connector, at least one through-hole is formed on the first mounting portion, and each of the through-holes is constructed to run from the recessed portion to the outside of the casing in a direction perpendicular to the insertion direction. ln the above electrical connector, mounting portions projecting outwards, through which the electrical connector is mounted onto a bracket, are formed on the casing. ln the above electrical connector, the casing is provided with a guiding key.
According to the connection terminal and the electrical connector described in above various embodiments of the present invention, since the holding portion for connecting with the conductor portion of the wire has a variable diameter, conductor portions with different diameters can be inserted into the holding portion. Since the holding portion comes into contact with approximately whole outer surface of the conductor portion, the ability of the connection terminal for transmitting large current signal can be improved.
BRIEF DESCRIPTION OF THE DRAWINGS The above and other features of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the accompanying drawings, in which: 10 15 20 25 30 35 P174191.SE.O1 Fig.1 is a schematic perspective view showing a connection terminal and a wiring terminal in the prior art; Fig.2 is a schematic perspective view showing a connection terminal fitted with a sleeve according to an exemplary embodiment of the present invention; Fig. 3 is another schematic perspective view showing a connection terminal as shown in Fig. 2, with the sleeve being removed; Fig. 4 is a schematic perspective view showing the sleeve; Fig. 5 is a schematic perspective view showing an electrical connector according to an exemplary embodiment of the present invention; Fig. 6 is a sectional view of the electrical connector of Fig. 4 in the direction of A; Fig. 7 is a schematic perspective view showing an using state of the electrical connector according to the present invention; and Fig. 8 is a schematic perspective view showing another using state of the electrical connector according to the present invention.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS OF THE INVENTION Although the present disclosure will be described hereinafter in detail with reference to the attached drawings comprising the preferred embodiments of the present invention, before the description, however, it should be appreciated that the person skilled in this art may modify the present disclosure and acquire the technical effect of the present disclosure. Thus, it should be appreciated that the following description is a broad teaching for the person skilled in this art and the content thereof is not intended to limit the present disclosure to the embodiment set forth herein. ln the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. lt will be apparent, however, that one or more embodiments may be practiced without these specific details. ln other instances, well-known structures and devices are schematically shown in order to simplify the drawing.
As shown in Figs. 2-4, according to the general concept of the present invention, there is provided a connection terminal 100 for connecting a cable 20 with a wiring terminal 400 of an electronic device (not shown), so as to provide a large current signal, such as a power supply signal, to the electronic device via the cable 20. The connection terminal 100 comprises a base portion 1 made of a single metal sheet 10 15 20 25 30 35 P174191.SE.01 such as copper, a pair of extending arms 2 and a holding portion 3 formed as a substantial cylinder. The base portion 1 comprises a first side 11 and a second side 12 opposite to each other. The pair of extending arms 2 extends from the first side of the base portion 1, so as to clamp the wire terminal 400 (see Figs. 7 and 8) of the electronic device. The holding portion 3 formed as a substantial cylinder extends from the second side of the base portion 1 and has a variable diameter so as to mechanically fix and electrically connect the cable 20 having different diameters (see Figs. 7 and 8). ln a further embodiment of the connection terminal 100 of the present invention, the holding portion 3 is provided with a slot 31 extending in an axial direction. ln this way, the diameter of the holding portion 3 of cylinder shape is changed by the shrink and expansion of the slot, so as to apply to cable 20 having different diameters.
The connection terminal 100 of an embodiment of the present invention also comprises a sleeve 4, which is shrinkable radially and mounted on the holding portion 3. The sleeve 4 is made of rubber material, for example. When the cable 20 is connected to the holding portion 3, the outer protection layer of the cable is firstly peeled off so as to expose the conductor portion of the cable 20; then the sleeve 4 is sleeved on the cable 20; the conductor portion of the cable 20 is inserted into the holding portion 3; then, the shrinkable sleeve 4 is mounted on the holding portion 3, so as to press tightly the holding portion 3, fasten the conductor portion of the cable 20 within the holding portion 3 and achieve the electrically connection between the conductor portion and the holding portion. The holding portion 3 is formed by two semi-circle recessed structures, which extend from the first wall and the second wall at the second side 12 of the base portion 1, respectively, and are formed by bending.
The slots 31 are formed at the abutment portions of these two semi-circle recessed structures. Further, the inner walls of the recessed structures are provided with a plurality of grooves 32 so as to increase the friction force between the inner wall of the holding portion 3 and the conductor portion.
According to a further exemplary embodiment of the connection terminal 100 of the present invention, the base portion 1 formed by bending the metal sheet has a cross section of substantially ”U” or ”|'|" or ”Fl” shape or substantially rectangle shape, and comprises a first wall 13, a second wall opposite to the first wall, and a third wall connected between the first wall and the second wall. The pair of extending arms 2 extends from the first wall and the second wall at the first side 11 of the base portion 1, and, after being bended facing one another, forms a space 21 therebetween, into 10 15 20 25 30 35 P174191.SE.01 which the wiring terminal of the electronic device is allowed to be inserted. Each of the extending arms has a plurality of sub-extending arms 22 so as to increase flexibility of the extending arms 2. As shown in Fig. 3, a front end of the third wall 14 is provided with a step portion 142.
Further, the third wall 14 is provided with a spring sheet 141 projecting outwards.
Free ends 23 of a pair of extending arms 2 inclinedly extend outwards so as to be far away from each other.
According to an embodiment of another aspect of the present invention, there is provided with an electrical connector 300 for connecting the cable 20 with the wiring terminal 400 of the electronic device, comprising: at least one connection terminal 100 described in above embodiments; and a casing 5 made of insulated material such as plastic, in which the connection terminal 100 is mounted. ln the electrical connector 300 of an embodiment of the present invention, as shown in Fig. 5, the casing 5 comprises: a first mounting portion and a second mounting portion, wherein, the base portions 1 and the holding portions 3 of the connection terminal 100 are mounted within the first mounting portion, and each pair of extending arms 2 is mounted within the second mounting portion. ln addition, the second mounting portion comprises a plurality of pairs of vertical walls 51, and two vertical walls of each pair of vertical walls 51 are separated from each other. Two arms of a pair of first extending arms 2 of the connection terminal 100 are arranged to abut against the respective walls of a pair of vertical walls 51, and the free ends 23 of the pair of extending arms 2 inclinedly extend outwards in opposite directions so as to be far away from each other, such that the pair of extending arms 2 may elastically clamp a wiring terminal 400. lt can be understood that the distance between each pair of vertical walls 51 is set to elastically bias the free ends 23 of each pair of extending arms, such that the wiring terminal 400 with flat-surface structure may be inserted into the space 21 between the pair of extending arms 2, and may be elastically pressed so as to keep reliable electrical connection between the extending arms 2 and the wiring terminal 400.
As shown in Fig. 6, a step portion 52 is provided within the first mounting portion.
When the connection terminal 100 is mounted within the casing 5, a part of the base portion 1(i.e. the step portion 142 at the front end of the third wall 14) is constructed to abut against the step portion 52 so as to prevent the connection terminal 100 from moving in the insertion direction in which the connection terminal 100 is inserted into the casing 5 (a direction from right to left in Fig. 6). ln addition, the spring sheet 141 10 15 20 25 30 35 P174191.SE.O1 is provided on the third wall 14, and the inner wall of the first mounting portion is provided with a recessed portion 56 for partially accommodating the spring sheet 141 so as to prevent the connection terminal 100 from moving in the direction opposite to the insertion direction. ln this way, the connection terminal 100 is retained in the casing 5 by cooperation of the step portion 142 of the connection terminal 100 and the step portion 52 of the casing 52 and cooperation between the spring sheet 141 and the recessed portion 56.
Further, at least one through-hole 53 is formed on the first mounting portion, and each of the through-holes 53 runs from the recessed portion 56 to the outside of the casing 5 in the direction perpendicular to the insertion direction (up-down direction in Fig.6). lf it is required to move the connection terminal 100 out of the casing 5, a tool, such as a screw-driver, may be used to be inserted into the through-hole 53 to press the spring sheet 141 so as to disengage the spring sheet 141 from the recessed portion 56, in turn the connection terminal 100 may be drawn out of the casing 5 from the right side of Fig. 6.
According to a further exemplary embodiment of the present invention, as shown in Figs. 7 and 8, mounting portions 54 projecting outwards, through which the electrical connector 300 is mounted onto a bracket 500, such as a support plate, are formed on the casing 5. For example, the mounting portions 54 are formed with thread holes 541. The electrical connector 300 according to the present embodiment may be mounted onto the bracket 500 by screwing the screws 501 into the respective screw holes 541 in the mounting portions 54 at the other side of the bracket 500 from one side of the bracket 500.
Further, the casing 5 is formed with a guiding key 55. Correspondingly, the bracket 500 is formed with a guiding groove. When the electrical connector 300 is installed, the guiding key 55 should be aligned with the guiding groove, otherwise the electrical connector cannot be inserted into the bracket so as to avoid the incorrect insertion.
By using the connection terminal and the electrical connector according to the embodiments of the present invention, an electrical signal with large current, such as the current signal for transmitting larger power, or other type of driving signal, may be transmitted. The electrical connector may be provided with two pairs of extending arms, which respectively are acted as a positive connection terminal and a negative connection terminal for the electrical signal, so as to provide power supply signal to the electronic device. The electrical connector may be provided with only one pair of extending arms so as to transmit one kind of current signal. ln addition, the electrical 10 15 20 P174191.SE.O1 connector may be provided with multiple pairs of extending arms so as to transmit different kinds of current signals.
According to the connection terminal and the electrical connector described in above various embodiments of the present invention, since the holding portion for connecting with the conductor portion of the cable has a variable diameter, conductor portions with different diameters may be inserted into the holding portion.
Since the holding portion comes into contact with approximately whole outer surface of the conductor portion, the ability of the connection terminal for transmitting large current signal is improved. ln addition, the conductor portion is securely retained within the holding portion with an elastically shrinkable sleeve so as to ensure the reliable electrical connection between the holding portion and the conductor portion. lt should be appreciated by those skilled in this art that the above embodiments are intended to be illustrated. Many modifications may be made to the above embodiments by those skilled in this art, and various structures described in various embodiments may be freely combined with each other without conflicting in configuration or principle, such that on the basis of solving the problem of the present invention, much more connection terminal and electrical connector may be accomplished.
Although several exemplary embodiments have been shown and described, it would be appreciated by those skilled in the art that various changes or modifications may be made in these embodiments without departing from the principles and spirit of the disclosure, the scope of which is defined in the claims and their equivalents.
Claims (17)
1. A connection terminal, comprising: a base portion including a first side and a second side opposite to each other; a pair of extending arms extending from the first side; and a holding portion formed as a substantial cylinder having a variable diameter and extending from the second side to mechanically fix and electrically connect cables having different diameters.
2. The connection terminal as recited in claim 1, wherein, a slot extending in an axial direction is formed on the holding portion.
3. The connection terminal as recited in claim 1, further comprising a sleeve shrinkable radially and mounted on the holding portion.
4. The connection terminal as recited in claim 2, wherein, the base portion has a cross section of substantially ”U” shape or substantially rectangle shape, and comprises a first wall, a second wall opposite to the first wall, and a third wall connected between the first wall and the second wall, the pair of extending arms extending from the first wall and the second wall at the first side and, after being bended facing one another, forming a space therebetween, into which a wiring terminal of an electronic device is allowed to be inserted.
5. The connection terminal as recited in claim 4, wherein, the holding portion is formed by two semi-circle recessed structures extending from the first wall and the second wall at the second side, respectively, and formed by bending.
6. The connection terminal as recited in claim 5, wherein, internal walls of the recessed structures are provided with a plurality of grooves.
7. The connection terminal as recited in claim 4, wherein, each of the extending arms comprises a plurality of sub-extending arms.
8. The connection terminal as recited in claim 4, wherein, a spring sheet is provided on the third wall. 10 15 20 25 30 35 P174191.SE.O1
9. The connection terminal as recited in claim 4, wherein, free ends of the pair of extending arms inclinedly extend outwards so as to be far away from each other.
10. An electrical connector, comprising: at least one connection terminal according to claim 1; and a casing, the connection terminal being mounted within the casing.
11. The electrical connector as recited in claim 10, wherein, the casing comprising: a first mounting portion, the base portions and the holding portions of the connection terminal being mounted within the first mounting portion; and a second mounting portion, the extending arms of the connection terminal being mounted Within the second mounting portion.
12. The electrical connector as recited in claim 11, wherein, the second mounting portion comprises a plurality of pairs of vertical walls, two arms of the pair of first extending arms constructed to abut against the respective walls of a pair of vertical walls, and free ends of the pair of extending arms inclinedly extending outwards to be far away from each other, such that the pair of extending arms are constructed to elastically clamp a wiring terminal.
13. The electrical connector as recited in claim 10, wherein, a step portion is provided within the first mounting portion, a part of the base portion being arranged to abut against the step portion, to prevent the connection terminal from moving in an insertion direction of the connection terminal into the casing.
14. The electrical connector as recited in claim 13, wherein, a spring sheet is provided on the third wall, and the inner wall of the first mounting portion is provided with a recessed portion for partially accommodating the spring sheet to prevent the connection terminal from moving in a direction opposite to the insertion direction.
15. The electrical connector as recited in claim 14, wherein, at least one through- hole is formed on the first mounting portion, and each of the through-holes is constructed to run from the recessed portion to the outside of the casing in a direction perpendicular to the insertion direction. P174191.SE.O1
16. The electrical connector as recited in claim 10, Wherein, mounting portions projecting outwards, through which the electrical connector is mounted onto a bracket, are formed on the casing.
17. The electrical connector as recited in claim 10, Wherein, the casing is provided with a guiding key.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420355846.2U CN203942061U (zh) | 2014-06-30 | 2014-06-30 | 连接端子和电连接器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE1550879A1 true SE1550879A1 (sv) | 2015-12-31 |
| SE540165C2 SE540165C2 (en) | 2018-04-17 |
Family
ID=51861353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1550879A SE540165C2 (en) | 2014-06-30 | 2015-06-25 | Connection Terminal and Electrical Connector |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US9537253B2 (sv) |
| JP (1) | JP6602571B2 (sv) |
| KR (1) | KR102579795B1 (sv) |
| CN (1) | CN203942061U (sv) |
| DE (1) | DE102015212174A1 (sv) |
| MX (1) | MX349351B (sv) |
| SE (1) | SE540165C2 (sv) |
| TW (1) | TWI678029B (sv) |
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| TWI610493B (zh) * | 2016-04-29 | 2018-01-01 | 具有輸入、輸出作用之端子裝置 | |
| US10741223B2 (en) | 2016-06-06 | 2020-08-11 | Western Digital Technologies, Inc. | Sealed bulkhead electrical feed-through positioning control |
| JP1567655S (sv) * | 2016-06-17 | 2017-01-23 | ||
| US9672870B1 (en) * | 2016-09-30 | 2017-06-06 | Western Digital Technologies, Inc. | Sealed bulkhead electrical feed-through X-Y positioning control |
| CN108346869B (zh) * | 2017-01-24 | 2020-07-03 | 泰科电子(上海)有限公司 | 线缆连接器 |
| CN106602297B (zh) * | 2017-02-07 | 2019-12-24 | 珠海格力电器股份有限公司 | 用于压缩机接线柱的接线端子 |
| JP1598485S (sv) * | 2017-06-16 | 2018-02-26 | ||
| BE1025493B1 (de) * | 2017-08-21 | 2019-03-25 | Phoenix Contact Gmbh & Co. Kg | Elektrischer Steckverbinder, Leiterplatte und Verfahren zur Herstellung eines elektrischen Steckverbinders |
| CN110212335A (zh) * | 2018-02-28 | 2019-09-06 | 泰科电子(上海)有限公司 | 微型电机、电连接器和连接端子 |
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2014
- 2014-06-30 CN CN201420355846.2U patent/CN203942061U/zh active Active
-
2015
- 2015-06-24 JP JP2015126462A patent/JP6602571B2/ja active Active
- 2015-06-25 SE SE1550879A patent/SE540165C2/en unknown
- 2015-06-26 KR KR1020150091089A patent/KR102579795B1/ko active IP Right Grant
- 2015-06-26 TW TW104120829A patent/TWI678029B/zh active
- 2015-06-30 US US14/755,532 patent/US9537253B2/en active Active
- 2015-06-30 MX MX2015008568A patent/MX349351B/es active IP Right Grant
- 2015-06-30 DE DE102015212174.7A patent/DE102015212174A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR20160002380A (ko) | 2016-01-07 |
| US20150380851A1 (en) | 2015-12-31 |
| JP6602571B2 (ja) | 2019-11-06 |
| TW201611413A (zh) | 2016-03-16 |
| TWI678029B (zh) | 2019-11-21 |
| KR102579795B1 (ko) | 2023-09-15 |
| DE102015212174A1 (de) | 2015-12-31 |
| CN203942061U (zh) | 2014-11-12 |
| MX349351B (es) | 2017-07-25 |
| MX2015008568A (es) | 2016-02-26 |
| US9537253B2 (en) | 2017-01-03 |
| SE540165C2 (en) | 2018-04-17 |
| JP2016015317A (ja) | 2016-01-28 |
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