CN108315891A - A kind of sewing machine of the anti-pumping line of improvement - Google Patents
A kind of sewing machine of the anti-pumping line of improvement Download PDFInfo
- Publication number
- CN108315891A CN108315891A CN201810395295.5A CN201810395295A CN108315891A CN 108315891 A CN108315891 A CN 108315891A CN 201810395295 A CN201810395295 A CN 201810395295A CN 108315891 A CN108315891 A CN 108315891A
- Authority
- CN
- China
- Prior art keywords
- hook
- mother viscose
- viscose button
- tension lever
- thread
- 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.)
- Withdrawn
Links
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B49/00—Take-up devices, e.g. levers, for the needle thread
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a kind of sewing machines of the anti-pumping line of improvement, including head, engine base and transmission mechanism, transmission mechanism is connected with thread take-up tension lever, it is characterized in that thread take-up tension lever end is equipped with threading hole, thread take-up tension lever end is cased with a female outward-facing mother viscose button set, mother viscose button, which is put on, to be equipped with threading hole to its via, the upper sub- thread gluing of mother viscose button set can be sticked to by being correspondingly provided with mother viscose button set, the first hook is connected in sub- thread gluing, the second hook with the first hook mounting is connected on head, thread take-up tension lever comes downwards to stroke one third to sub- thread gluing and mother viscose button set disengaging under the traction of the first hook and the second hook between 3/4ths；Suture is pulled out downwards when thread take-up tension lever downlink, is reserved loop line surplus for upward stroke, is avoided upward stroke that line is pulled out pin hole, structure is brief, easy to implement.
Description
It is on March 7th, 2016 that the application, which is the applying date, application No. is 2016101256870, entitled " band anticreep
The divisional application of the patent of the sewing machine of line wire picking device ".
Technical field
The present invention relates to a kind of sewing machine component, the sewing machine of the anti-pumping line of especially a kind of improvement.
Background technology
Sewing machine be make the essential tool of clothes, it is efficient, workmanship it is high-quality, typically have head, machine
Seat and transmission mechanism and attachment form, and thread take-up tension lever is one of component, can tense suture upwards in vehicle, ensure seam
The quality of clothing object, but when existing take-up linkage works still have shortcoming, after initial eedle penetrates lead, thread take-up tension lever the
One stroke is easy to the line penetrated pulling out pin hole, must thread again, time-consuming and laborious, this is still subject to up for technological innovation
It solves.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of sewing machines of the anti-pumping line of improvement.
The technical solution adopted by the present invention is：A kind of sewing machine of the anti-pumping line of improvement, including head, engine base and driver
Structure, transmission mechanism are connected with thread take-up tension lever, it is characterised in that thread take-up tension lever end is equipped with threading hole, and thread take-up tension lever end is cased with a generatrix court
Outer mother viscose button set, mother viscose button are put on equipped with the via being aligned with threading hole, and mother viscose button can be sticked to by being correspondingly provided with mother viscose button set
Sub- thread gluing on set is connected with the first hook in sub- thread gluing, and the second hook with the first hook mounting, take-up are connected on head
Bar come downwards to stroke one third between 3/4ths under the traction of the first hook and the second hook thread gluing and mother viscose button set
It is detached from.
The present invention could also say that a kind of anti-sewing machine for taking out line, the sub- thread gluing are sticked to mother viscose button and put on covering threading
Hole.
The present invention could also say that a kind of sewing machine of thread-off prevention line, the mother viscose button set inner face are bonded in thread take-up tension lever end
On.
The present invention could also say that a kind of sewing machine of the take-up component with thread-off prevention line, the mistake of mother viscose button set both sides
Bore edges are connected by suture.
The present invention could also say that a kind of sewing machine of improvement, and first hook and the second hook are a traction rope.
The present invention could also say that a kind of sewing machine with elastic force hook device, first hook and the second hook for
The hook of opening port.
Further, the elastic force hook that first hook and the second hook are closed for opening elastic force.
Further, first hook and/or the second hook are a ring with gap, and one end of ring is fixedly connected with bullet
The other end of piece, ring is equipped with inclined-plane, and shrapnel free end is located at outside ring, and is overlapped on the inclined-plane of ring.
Further, it is equipped with a ring segment being aligned with threading hole at the threading hole, 3 or 4 are circumferentially on ring segment
A shrapnel gradually drawn close to ring segment axis, the end inner face that shrapnel is gradually drawn close to ring segment axis are equipped with pawl.
Further, the end that the shrapnel is gradually drawn close to ring segment axis is equipped with enters the oblique of pull-out suitable for suture
Angle.
Further, the head upper is equipped with vertical shaft, and head edge is equipped with the oblique support arm flexed outward, and support arm outer end is set
There is wire guide, the side that track is moved back and forth in thread take-up tension lever is equipped with a trunnion axis being fixedly connected with head, is connected on trunnion axis
There is axle sleeve, oriented separate thread take-up tension lever is connected on axle sleeve, the overturning support arm that horizontal direction stretches, overturning support arm is equipped with close to outer end and hangs
Terminal, overturning support arm outer end are equipped with positioning and lack, and locating notch is corresponded to when overturning support arm horizontal position equipped with positioning jump ring, on axle sleeve
The reset branch that oriented thread take-up tension lever moves back and forth the stretching, extension of track hypomere is connected, support arm outer end bending, the arc of crooked position are resetted
Outside probes into thread take-up tension lever and moves back and forth track end position on the lower, and head is equipped with a torsional spring, and one end is fixed on head, another
End acts on overturning support arm and erects direction to overturning support arm and exerts a force.
Thread take-up tension lever is adjusted to by present invention handwheel of rotation sewing machine in the end of thread take-up tension lever setting mother viscose button set, use
Sub- thread gluing is bonded in mother viscose button after threading and put on by a high position, pushes down suture, and when thread take-up tension lever downlink pulls out downwards suture, is upward
Stroke reserves loop line surplus, avoids upward stroke that line is pulled out pin hole, and the setting by linking up with position and length makes under thread take-up tension lever
Sub- thread gluing and mother viscose button set disengaging under the traction of the first hook and the second hook between going to stroke one third to 3/4ths,
Sub- thread gluing only bonds downward bracing wire with mother viscose button set when sewing the first needle, and being in discrete state thereafter does not influence take-up, knot
Structure is brief, easy to implement.
Description of the drawings
Fig. 1 is one overall structure diagram of the embodiment of the present invention and partial enlarged view.
Fig. 2 is one thread take-up tension lever decomposition texture schematic diagram of the embodiment of the present invention.
Fig. 3 is two hook structure schematic diagram of the embodiment of the present invention.
Fig. 4 is three hook structure schematic diagram of the embodiment of the present invention.
Fig. 5 is four overall structure diagram of the embodiment of the present invention and partial enlarged view.
Fig. 6 is four decomposition texture schematic diagram of the embodiment of the present invention and partial enlarged view.
Fig. 7 is five overall structure diagram of the embodiment of the present invention.
Fig. 8 is five decomposition texture schematic diagram of the embodiment of the present invention.
Figure label title：1 head；2 thread take-up tension levers；3 threading holes；4 mother viscose button sets；5 vias；6 sub- thread gluings；7 first hooks；
8 second hooks；9 steel wires；10 hook ends；11 rings；12 shrapnels；13 inclined-planes；14 ring segments；15 shrapnels；16 pawls；17 vertical shafts；18 tiltedly
Support arm；19 wire guides；20 trunnion axis；21 axle sleeves；22 overturning support arms；23 wiring columns；24 locating notches；25 positioning jump rings；26 is multiple
Position support arm；27 torsional springs；28 limit protrusions；29 reverse wheels.
Specific implementation mode
The embodiment of the present invention one is as shown in Figure 1, 2, the sewing machine of the anti-pumping line of the improvement, including head 1, engine base and transmission
Mechanism, head are the major parts of sewing machine, and each mechanism kinematic closes cooperation cycle operation, sewing can be united by a seam, head
It is connected on engine base, engine base can be used for workbench, and transmission mechanism ensures that each mechanism co-operating, transmission mechanism are connected with take-up
Bar 2, thread take-up tension lever end are equipped with threading hole 3, and thread take-up tension lever end is cased with a female outward-facing mother viscose button set 4, and mother viscose button set is nylon
The set of thread take-up tension lever end can be sleeved on made of thread gluing sewing or thermoforming, mother viscose button is put on equipped with the via 5 being aligned with threading hole,
For threading, the upper sub- thread gluing 6 of mother viscose button set can be sticked to by being correspondingly provided with mother viscose button set, and the first hook 7 is connected in sub- thread gluing,
It is connected with the second hook 8 with the first hook mounting on head, links up with length and position ensures that thread take-up tension lever comes downwards to stroke three and divides
One of between 3/4ths under the traction of the first hook and the second hook thread gluing and mother viscose button set disengaging, the present embodiment first
Hook and the second hook are the hook with opening port.The present embodiment is revolved in the end of thread take-up tension lever setting mother viscose button set, use
Thread take-up tension lever is adjusted to high-order by the handwheel for turning sewing machine, and sub- thread gluing, which is bonded in mother viscose button, after threading puts on, and pushes down suture, take-up
Suture is pulled out downwards when bar downlink, is reserved loop line surplus for upward stroke, is avoided upward stroke that line is pulled out pin hole, pass through hook
The setting of position and length make thread take-up tension lever come downwards to stroke one third between 3/4ths in the first hook and the second hook
Sub- thread gluing is detached from mother viscose button set under traction, and sub- thread gluing only bonds downward bracing wire with mother viscose button set when sewing the first needle, thereafter
Being in discrete state does not influence take-up, and the end of a thread of the first needle can be reserved brief, reduce later stage trimming, structure is brief, easily
In implementation.
The embodiment of the present invention two as shown in figure 3, the sewing machine of the anti-pumping line of the improvement in order to improve more reliable connection
The elastic force hook that one hook and/or the second hook are closed for opening elastic force, is molded, hook end 10 leans against coupler body by elastic force by steel wire 9
Upper to form the annular being closed, reliable elastic force, which is opened, to be fastened, and connection is more secured.
The embodiment of the present invention three is as shown in figure 4, the hook of sewing machine first and/or the second hook of the anti-pumping line of the improvement are
One end of one ring 11 with gap, ring is fixedly connected with shrapnel 12, and the other end of ring is equipped with inclined-plane 13, and shrapnel free end is located at ring
Outside, it and is overlapped on the inclined-plane of ring, by shrapnel by inclined-plane indentation ring, shrapnel abuts ring inner wall when use, imperforation drawing becomes
Shape is small, and connection is more reliable.
The embodiment of the present invention four is as shown in Figure 5,6, and one and threading are equipped at the sewing machine threading hole of the anti-pumping line of the improvement
The ring segment 14 of hole alignment, ring segment are fixed by screws in thread take-up tension lever end, 3 or 4 are circumferentially on ring segment to annular
The shrapnel 15 that piece axis is gradually drawn close, the end inner face that shrapnel is gradually drawn close to ring segment axis are equipped with pawl 16, and shrapnel is to ring
The end that shape piece axis is gradually drawn close, which is equipped with, to be suitable for suture and enters the oblique angle of pull-out, and horn-like, rotation sewing when use is formed
Thread take-up tension lever is adjusted to high-order by the handwheel of machine, and threading can be passed through by the gap of shrapnel root, and bracing wire can be caught in by monopolization, thread take-up tension lever
First down stroke under inverted tooth-like effect can downward bracing wire, uplink will not off-line, when upward take-up chooses tight in formality stroke, line can
By drawing close abjection, into conventional sewing.
The embodiment of the present invention five is as shown in Figure 7,8, the sewing machine of the anti-pumping line of the improvement, and vertical shaft is equipped in head upper
17, for placing spool, head edge is equipped with the oblique support arm 18 flexed outward, and support arm outer end is equipped with wire guide 19, in thread take-up tension lever
The side for moving back and forth track is equipped with a trunnion axis 20 being fixedly connected with head, is connected with axle sleeve 21 on trunnion axis, on axle sleeve
Connect oriented separate thread take-up tension lever, the overturning support arm 22 that horizontal direction stretches, overturning support arm is equipped with wiring column 23, overturning close to outer end
Support arm outer end is equipped with locating notch 24, and locating notch is corresponded to when overturning support arm horizontal position and is equipped with positioning jump ring 25, is connected on axle sleeve
It is connected to thread take-up tension lever and moves back and forth the reset support arm 26 that track hypomere stretches, reset support arm outer end bending, the arc of crooked position
Thread take-up tension lever is probeed on the outside of shape moves back and forth track end position on the lower, head is equipped with a torsional spring 27, and one end is fixed on head,
The other end acts on overturning support arm and erects direction to overturning support arm and exerts a force, and spool is placed on vertical shaft by when use, by spool
On line passed through by wire guide, around the threading hole being then passed through after wiring column on thread take-up tension lever, pin hole is eventually passed through, under thread take-up tension lever
It drops to bottom or is risen all to touch by bottom and reset support arm outer end crooked position, reset support arm is made to drive axle sleeve, overturning branch
Arm generates swing offset, and locating notch is made to be detached from positioning jump ring, and then overturning support arm is holded up under the effect of torsion spring, and holding up angle can
By the way that the position adjustment of limit protrusion 28 is arranged on head, overturning support arm overturning wiring column loses the support to line, line is made to stay
There is loose surplus, further prevent off-line, line may also pass through reverse wheel 29 across threading hole when use, make each surplus
Unanimously；Threading sequence can also be that first threading hole arrives wiring column again, then at pin hole, only surplus stays under threading hole when use
Square anti-off effect is more preferable.
When implementation, sub- thread gluing is sticked to mother viscose button and puts on covering threading hole, and fixation is more reliable；Mother viscose button set inner face, which is bonded in, to be chosen
On line bar end, also can mother viscose button set both sides via edges connected by suture, improve connection reliability；First hook and the
Two hooks are a traction rope, it is easier to which adjustment length, unhook position are more easily controlled.
It is only in summary the specific embodiment of the invention, but is not limited to embodiment, it can also each technical characteristic group again
Close more realization methods, it is all without departing from the inventive concept, the equivalent modification and the prior art done according to the application
Addition is accordingly to be regarded as the technology of the present invention scope.
Claims (1)
1. a kind of sewing machine of the anti-pumping line of improvement, including head, engine base and transmission mechanism, transmission mechanism are connected with the take-up
Bar, it is characterised in that thread take-up tension lever end is equipped with threading hole, and thread take-up tension lever end is cased with a female outward-facing mother viscose button set, mother viscose button set
It is equipped with the via being aligned with threading hole, mother viscose button puts on equipped with the via being aligned with threading hole, is correspondingly provided with mother viscose button set
It can be sticked to the upper sub- thread gluing of mother viscose button set, the first hook is connected in sub- thread gluing, be connected on head and the first hook mounting
Second hook, thread take-up tension lever come downwards to stroke about one third between 3/4ths under the traction of the first hook and the second hook
Sub- thread gluing is detached from mother viscose button set, and a ring segment being aligned with threading hole is equipped at the threading hole, 3 are circumferentially on ring segment
Or 4 shrapnels gradually drawn close to ring segment axis, the end inner face that shrapnel is gradually drawn close to ring segment axis are equipped with pawl, institute
It states the end that shrapnel is gradually drawn close to ring segment axis and is equipped with and be suitable for the oblique angle that suture enters pull-out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810395295.5A CN108315891A (en) | 2016-03-07 | 2016-03-07 | A kind of sewing machine of the anti-pumping line of improvement |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810395295.5A CN108315891A (en) | 2016-03-07 | 2016-03-07 | A kind of sewing machine of the anti-pumping line of improvement |
| CN201610125687.0A CN105734847B (en) | 2016-03-07 | 2016-03-07 | Sewing machine with thread-off prevention line wire picking device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610125687.0A Division CN105734847B (en) | 2016-03-07 | 2016-03-07 | Sewing machine with thread-off prevention line wire picking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108315891A true CN108315891A (en) | 2018-07-24 |
Family
ID=56249280
Family Applications (9)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810393028.4A Withdrawn CN108265411A (en) | 2016-03-07 | 2016-03-07 | A kind of sewing machine of improvement |
| CN201810394355.1A Withdrawn CN108486780A (en) | 2016-03-07 | 2016-03-07 | A kind of sewing machine of the take-up component with thread-off prevention line |
| CN201810395283.2A Withdrawn CN108589077A (en) | 2016-03-07 | 2016-03-07 | A kind of sewing machine of thread-off prevention line |
| CN201610125687.0A Active CN105734847B (en) | 2016-03-07 | 2016-03-07 | Sewing machine with thread-off prevention line wire picking device |
| CN201810394351.3A Withdrawn CN108315890A (en) | 2016-03-07 | 2016-03-07 | A kind of sewing machine of the thread-off prevention line of improvement |
| CN201810393041.XA Withdrawn CN108265412A (en) | 2016-03-07 | 2016-03-07 | A kind of anti-sewing machine for taking out line |
| CN201810393011.9A Pending CN108265410A (en) | 2016-03-07 | 2016-03-07 | A kind of sewing machine of the wire picking device of band improvement |
| CN201810395302.1A Withdrawn CN108301135A (en) | 2016-03-07 | 2016-03-07 | A kind of sewing machine with elastic force hook device |
| CN201810395295.5A Withdrawn CN108315891A (en) | 2016-03-07 | 2016-03-07 | A kind of sewing machine of the anti-pumping line of improvement |
Family Applications Before (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810393028.4A Withdrawn CN108265411A (en) | 2016-03-07 | 2016-03-07 | A kind of sewing machine of improvement |
| CN201810394355.1A Withdrawn CN108486780A (en) | 2016-03-07 | 2016-03-07 | A kind of sewing machine of the take-up component with thread-off prevention line |
| CN201810395283.2A Withdrawn CN108589077A (en) | 2016-03-07 | 2016-03-07 | A kind of sewing machine of thread-off prevention line |
| CN201610125687.0A Active CN105734847B (en) | 2016-03-07 | 2016-03-07 | Sewing machine with thread-off prevention line wire picking device |
| CN201810394351.3A Withdrawn CN108315890A (en) | 2016-03-07 | 2016-03-07 | A kind of sewing machine of the thread-off prevention line of improvement |
| CN201810393041.XA Withdrawn CN108265412A (en) | 2016-03-07 | 2016-03-07 | A kind of anti-sewing machine for taking out line |
| CN201810393011.9A Pending CN108265410A (en) | 2016-03-07 | 2016-03-07 | A kind of sewing machine of the wire picking device of band improvement |
| CN201810395302.1A Withdrawn CN108301135A (en) | 2016-03-07 | 2016-03-07 | A kind of sewing machine with elastic force hook device |
Country Status (1)
| Country | Link |
|---|---|
| CN (9) | CN108265411A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3789784A (en) * | 1971-06-22 | 1974-02-05 | N Kasuga | Sewing machine |
| US5131338A (en) * | 1990-04-05 | 1992-07-21 | Fritz Gegauf Aktiengesellschaft | Needle thread regulating mechanism for sewing machines |
| US5441003A (en) * | 1992-03-31 | 1995-08-15 | Aisin Seiki Kabushiki Kaisha | Sewing machine having a removable head |
| CN1488802A (en) * | 2002-10-09 | 2004-04-14 | 株式会社爱克斯山崎 | Needle thread taking-up lever for sewing machine |
| CN2659916Y (en) * | 2003-10-22 | 2004-12-01 | 张家港伸兴机电有限公司 | Thread ran of sewing machine |
| CN201241256Y (en) * | 2008-07-17 | 2009-05-20 | 张章生 | Take-up mechanism of sewing machine |
| CN101514517A (en) * | 2008-02-21 | 2009-08-26 | 曾贤长 | Thread take-up lever structure of sewing machine |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08299641A (en) * | 1995-04-28 | 1996-11-19 | Aisin Seiki Co Ltd | Thread take-up lever for sewing machine |
| US6247419B1 (en) * | 1998-08-19 | 2001-06-19 | Tokai Kogyo Mishin Kabushiki Kaisha | Multineedle embroidering sewing machine |
| JP4276551B2 (en) * | 2004-01-29 | 2009-06-10 | 東海工業ミシン株式会社 | Multi-head sewing machine |
| KR100639355B1 (en) * | 2004-06-03 | 2006-10-27 | (주) 인브로 | Thread feeding apparatus for an automatic embroidering machine |
| KR20080068502A (en) * | 2007-01-18 | 2008-07-23 | 썬스타 특수정밀 주식회사 | Driving mechanism for thread catcher of embroidery |
| US7647877B2 (en) * | 2008-05-06 | 2010-01-19 | Hsien-Chang Tseng | Thread take-up lever for a sewing machine |
| KR20120086569A (en) * | 2011-01-26 | 2012-08-03 | 썬스타알앤씨(주) | Thread take-up apparatus having holder |
| CN203625644U (en) * | 2013-11-26 | 2014-06-04 | 新杰克缝纫机股份有限公司 | Sewing machine sewing-start device with presser foot thread clamping device |
| CN204058928U (en) * | 2014-07-10 | 2014-12-31 | 诸暨市乐业机电有限公司 | A kind of computerized emboridering machine upper thread automatic wire locking clamping device |
-
2016
- 2016-03-07 CN CN201810393028.4A patent/CN108265411A/en not_active Withdrawn
- 2016-03-07 CN CN201810394355.1A patent/CN108486780A/en not_active Withdrawn
- 2016-03-07 CN CN201810395283.2A patent/CN108589077A/en not_active Withdrawn
- 2016-03-07 CN CN201610125687.0A patent/CN105734847B/en active Active
- 2016-03-07 CN CN201810394351.3A patent/CN108315890A/en not_active Withdrawn
- 2016-03-07 CN CN201810393041.XA patent/CN108265412A/en not_active Withdrawn
- 2016-03-07 CN CN201810393011.9A patent/CN108265410A/en active Pending
- 2016-03-07 CN CN201810395302.1A patent/CN108301135A/en not_active Withdrawn
- 2016-03-07 CN CN201810395295.5A patent/CN108315891A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3789784A (en) * | 1971-06-22 | 1974-02-05 | N Kasuga | Sewing machine |
| US5131338A (en) * | 1990-04-05 | 1992-07-21 | Fritz Gegauf Aktiengesellschaft | Needle thread regulating mechanism for sewing machines |
| US5441003A (en) * | 1992-03-31 | 1995-08-15 | Aisin Seiki Kabushiki Kaisha | Sewing machine having a removable head |
| CN1488802A (en) * | 2002-10-09 | 2004-04-14 | 株式会社爱克斯山崎 | Needle thread taking-up lever for sewing machine |
| CN2659916Y (en) * | 2003-10-22 | 2004-12-01 | 张家港伸兴机电有限公司 | Thread ran of sewing machine |
| CN101514517A (en) * | 2008-02-21 | 2009-08-26 | 曾贤长 | Thread take-up lever structure of sewing machine |
| CN201241256Y (en) * | 2008-07-17 | 2009-05-20 | 张章生 | Take-up mechanism of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108315890A (en) | 2018-07-24 |
| CN108589077A (en) | 2018-09-28 |
| CN108265412A (en) | 2018-07-10 |
| CN105734847A (en) | 2016-07-06 |
| CN108265410A (en) | 2018-07-10 |
| CN108301135A (en) | 2018-07-20 |
| CN108265411A (en) | 2018-07-10 |
| CN105734847B (en) | 2018-08-21 |
| CN108486780A (en) | 2018-09-04 |
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Application publication date: 20180724 |