CN205046329U - Sewing machine's thread trimming mechanism - Google Patents
Sewing machine's thread trimming mechanism Download PDFInfo
- Publication number
- CN205046329U CN205046329U CN201520729263.6U CN201520729263U CN205046329U CN 205046329 U CN205046329 U CN 205046329U CN 201520729263 U CN201520729263 U CN 201520729263U CN 205046329 U CN205046329 U CN 205046329U
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- knife
- stationary knife
- sewing machines
- base plate
- cutting mechanism
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Abstract
The utility model provides a sewing machine's thread trimming mechanism belongs to sewing machine technical field. It has solved current thread trimming mechanism in the suture scissors longer problem of the end of a thread of having no progeny. This sewing machine's thread trimming mechanism, sewing machine includes bottom plate and casing, be equipped with the eedle on the casing, the bottom plate internal rotation is connected with down axle and drive shaft, thread trimming mechanism is including moving the sword, stationary knife and the discoid knife rest that moves, move the knife rest and fix the tip lower, it links firmly on moving the knife rest to move the sword, the drive shaft with move the knife rest transmission and be connected and can drive and move the knife rest and rotate, stationary knife sliding connection is in the bottom plate, move to be equipped with between knife rest and the stationary knife and move the transmission structure that can drive the stationary knife removal and be close to to the eedle when moving the knife rest when sword is close to to the stationary knife to one side rotation and messenger. This sewing machine's thread trimming mechanism can make the end of a thread after cutting shorter, improves the trimming quality.
Description
Technical field
The utility model belongs to sewing machine technique field, relates to a kind of thread cutting mechanism of Sewing machines.
Background technology
Major part in industrial sewing machines all belongs to general Sewing machines, and comprising flat seam machine, chain seam machine, quilting machines, overlock machine and flat seaming machine etc., and the utilization rate of flat seam machine is the highest.Along with the continuous adjustment of market and consumption structure, the industrial sewing machine of middle low speed can not meet Production requirement, and Sewing machines is just towards high speed, seriation future development, and electronics, computer technology are widely used on Sewing machines.Sewing machines internal structure is complicated, comprises presser foot lifting device, thread cutting mechanism etc.
As Chinese invention patent application, (application number: the cutting facility 201010602851.5) disclosing a kind of Sewing machines, comprises base plate, stationary knife and moving knife, transmission mechanism, driving mechanism and controlling organization.Moving knife component and stationary knife assembly are positioned at immediately below the eedle of Sewing machines, and moving knife can do relative shearing motion with stationary knife, realize trimming function, and transmission mechanism and driving mechanism are installed in sewing machine table basifacial, immediately below the eedle being positioned at Sewing machines.This cutting facility can realize the cutting to suture, but it is motionless during stationary knife when moving knife action, in order to avoid in the process of making, suture cuts off by stationary knife, usual stationary knife needs to maintain a certain distance with eedle, this distance is roughly 3 to 4 millimeters, and when needing trimming, moving knife moves to stationary knife, and cuts off suture at stationary knife place, and suture scissors is had no progeny, the end of a thread is positioned at stationary knife place, and the end of a thread therefore remained on cloth is longer.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of thread cutting mechanism of Sewing machines, and the thread cutting mechanism of this Sewing machines can make the end of a thread after cutting off shorter, improves trimming quality.
The purpose of this utility model realizes by following technical proposal: a kind of thread cutting mechanism of Sewing machines, Sewing machines comprises base plate and is connected in the casing on base plate, described casing is provided with eedle, lower shaft and driving shaft is rotatably connected in described base plate, described lower shaft and driving shaft parallel, it is characterized in that, described thread cutting mechanism comprises moving knife, stationary knife and discoid movable knife rack, described movable knife rack is fixed on the end of lower shaft, described moving knife is connected on movable knife rack, described driving shaft and movable knife rack are in transmission connection and movable knife rack can be driven to rotate, described stationary knife is slidably connected in base plate, and the cutting edge of stationary knife is relative with the cutting edge of moving knife, above-mentioned eedle can stretch into base plate and between moving knife and stationary knife, be provided with between described movable knife rack and stationary knife and rotate to side when movable knife rack and to enable moving knife drive stationary knife to move when stationary knife is close and to the close drive mechanism of eedle.
In the process of making, eedle is up and down reciprocatingly elevated, suture is located in the pinprick of eedle head, when needing trimming, driving shaft drives movable knife rack to rotate, and moving knife is moved, simultaneously to stationary knife direction, movable knife rack makes stationary knife move by transmission mechanism and close eedle, suture can be cut off in the position near eedle by moving knife and stationary knife, and the end of a thread therefore remained on sewing cloth is shorter, and trimming quality is higher.
In the thread cutting mechanism of above-mentioned Sewing machines, described moving knife is positioned at the side of lower shaft, and described movable knife rack is hinged with cutter shaft connecting rod at the opposite side of lower shaft, and the end of described driving shaft is fixed with driving crank, and free end and the driving crank of described cutter shaft connecting rod are hinged.Driving shaft rotarily drives driving crank and swings, and the edge of movable knife rack has the radial articulated jib protruded, this articulated jib and moving knife are lived apart the both sides of lower shaft, cutter shaft connecting rod and articulated jib are hinged, the swing of driving crank can make cutter shaft connecting rod carry out swinging the compound motion with movement, and then driving movable knife rack to rotate, moving knife and articulated jib move in the opposite direction, and namely moving knife moves to stationary knife direction.
In the thread cutting mechanism of above-mentioned Sewing machines, described drive mechanism comprises the drive plate of strip, one end of described drive plate is hinged on plate inner wall, above-mentioned movable knife rack and drive plate are in transmission connection, drive plate can be driven to swing when movable knife rack rotates, described drive plate and stationary knife are in transmission connection, and stationary knife can be driven when drive plate swings to move.Driving crank, cutter shaft connecting rod all move in perpendicular, and drive plate swings in horizontal plane, play the effect accepting movable knife rack and stationary knife, namely movable knife rack drives drive plate to swing, drive plate drives stationary knife to move, and the synchronous backward realizing moving knife and stationary knife moves.
In the thread cutting mechanism of above-mentioned Sewing machines, described drive mechanism also comprises kinematic link and keyset, one end of described keyset is connected on drive plate, the side of described movable knife rack has eccentric boss, this eccentric boss and lower shaft eccentric setting, one end of described kinematic link has the connecting portion of annular, and this connecting portion turning set is located on eccentric boss, and the other end of described kinematic link and the other end of keyset are hinged.I.e. movable knife rack and kinematic link eccentric setting, when movable knife rack rotates, drive link can be rotated relative to movable knife rack, and under the effect of eccentric boss, drive link can move, and then drives drive plate to swing by keyset.
In the thread cutting mechanism of above-mentioned Sewing machines, described stationary knife is connected in base plate by skid, described slide block side vertically has trundle, the free end sidewall of described drive plate offers bar-shaped trough along its length, described trundle sliding plug is in bar-shaped trough.Namely stationary knife is connected on slide block, be connected with base plate by slide block, when drive plate swings, drive plate and trundle distance can change, therefore trundle is plugged in the bar-shaped trough of drive plate, and namely drive plate promotes trundle by swinging, and slide block is moved, certain trundle can slide in bar-shaped trough, avoids stuck.
In the thread cutting mechanism of above-mentioned Sewing machines, be fixed with holder in described base plate, described holder side offers chute, and above-mentioned skid is connected in chute.Holder is fixed by screws on plate inner wall, and the cross section of chute and slide block is all rectangular, and namely the side of slide block can recline mutually with chute cell wall, slide block is moved more stable, and then makes the action of stationary knife more stable.
In the thread cutting mechanism of above-mentioned Sewing machines, described slide block end face offers inserting groove, and described stationary knife is strip, and one end of stationary knife is cutting edge, and other end sliding plug is in inserting groove and pass through screw lock.Namely on the side of slide block, offer screw, when screw unclamps, stationary knife can stretch in inserting groove, and distance when regulating moving knife and stationary knife to be failure to actuate, namely regulates cutter amount, and regulate tightening screw after putting in place, the end of screw can be pressed on stationary knife side.
In the thread cutting mechanism of above-mentioned Sewing machines, the side of described movable knife rack has the convex edge of annular, above-mentioned eccentric boss is positioned at convex along inner, the end of described lower shaft is also arranged with circular orientation plate, this location-plate is connected on base plate, and the side of location-plate abuts on the connecting portion side of kinematic link, the connecting portion another side of described kinematic link abuts in convex and laterally goes up.Location-plate and convex, along playing positioning action to the connecting portion of kinematic link, avoid kinematic link to occur rocking or being shifted, certain convex annular along arranging with eccentric boss concentric, frictional force during to reduce the connecting portion action of kinematic link and noise.
In the thread cutting mechanism of above-mentioned Sewing machines, the external diameter of described trundle is identical with the width of bar-shaped trough.Make the mobile of the swing of drive plate and slide block keep synchronism, and then make moving knife and stationary knife can synchronization action.
Compared with prior art, the thread cutting mechanism of this Sewing machines has the following advantages:
1, due to moving knife move to stationary knife direction time, stationary knife can be made to move for movable knife rack and near eedle, therefore suture can be cut off in the position of close eedle with stationary knife by moving knife, and the end of a thread therefore remained on sewing cloth is shorter, and trimming quality is higher.
2, because stationary knife is by being driven by movable knife rack after transmission mechanism, therefore, it is possible to ensure the synchronism of moving knife and stationary knife action, trimming quality is improved.
3, because stationary knife sliding plug is in the inserting groove of slide block, when screw unclamps, stationary knife can stretch in inserting groove, and distance when regulating moving knife and stationary knife to be failure to actuate, namely regulates cutter amount, improves trimming quality.
Accompanying drawing explanation
Fig. 1 is the perspective view of this Sewing machines.
Fig. 2 is the perspective view at base plate place.
Fig. 3 is the perspective view at another visual angle, base plate place.
Fig. 4 is the structure side view of thread cutting mechanism.
Fig. 5 is the perspective view of thread cutting mechanism.
Fig. 6 is the structure top view of thread cutting mechanism.
Fig. 7 is the perspective view of movable knife rack.
Fig. 8 is the schematic enlarged-scale view at A place in Fig. 3.
In figure, 1, base plate; 11, lower shaft; 12, driving shaft; 13, driving crank; 14, holder; 141, chute; 2, casing; 21, eedle; 3, movable knife rack; 31, moving knife; 32, cutter shaft connecting rod; 33, eccentric boss; 34, convex edge; 4, drive plate; 41, keyset; 42, bar-shaped trough; 5, stationary knife; 51, slide block; 511, inserting groove; 52, trundle; 6, kinematic link; 61, connecting portion; 7, location-plate.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, Figure 2, Figure 3 shows, a thread cutting mechanism for Sewing machines, the casing 2 that Sewing machines comprises base plate 1 and is connected on base plate 1, described casing 2 is provided with eedle 21, in the process of making, eedle 21 is up and down reciprocatingly elevated, and suture is located in the pinprick of eedle 21 head.Lower shaft 11 and driving shaft 12 is rotatably connected in base plate 1, lower shaft 11 and driving shaft 12 parallel, thread cutting mechanism comprises moving knife 31, stationary knife 5 and discoid movable knife rack 3, movable knife rack 3 is fixed on the end of lower shaft 11, moving knife 31 is connected on movable knife rack 3, and moving knife 31 is positioned at the side of lower shaft 11, movable knife rack 3 is hinged with cutter shaft connecting rod 32 at the opposite side of lower shaft 11, the end of driving shaft 12 is fixed with driving crank 13, free end and the driving crank 13 of cutter shaft connecting rod 32 are hinged, stationary knife 5 is slidably connected in base plate 1, and the cutting edge of stationary knife 5 is relative with the cutting edge of moving knife 31, eedle 21 can stretch into base plate 1 and between moving knife 31 and stationary knife 5, drive mechanism is provided with between movable knife rack 3 and stationary knife 5, when movable knife rack 3 to rotate to side and enable moving knife 31 to stationary knife 5 near time drive mechanism drive stationary knife 5 to move and close to eedle 21.When needing trimming, driving shaft 12 rotarily drives driving crank 13 and swings, and the edge of movable knife rack 3 has the radial articulated jib protruded, this articulated jib and moving knife 31 are lived apart the both sides of lower shaft 11, cutter shaft connecting rod 32 and articulated jib are hinged, the swing of driving crank 13 can make cutter shaft connecting rod 32 carry out swinging the compound motion with movement, and then drive movable knife rack 3 to rotate, moving knife 31 and articulated jib move in the opposite direction, namely moving knife 31 moves to stationary knife 5 direction, simultaneously, movable knife rack 3 makes stationary knife 5 move by transmission mechanism and close eedle 21, therefore suture can be cut off in the position near eedle 21 with stationary knife 5 by moving knife 31, because suture can be cut off in the position closer to eedle 21 by stationary knife 5 and moving knife 31, therefore the end of a thread remained on sewing cloth is shorter, trimming quality is higher.
Specifically, shown in composition graphs 4 to Fig. 7, drive mechanism comprises kinematic link 6, the drive plate 4 of keyset 41 and strip, one end of drive plate 4 is hinged on base plate 1 inwall, movable knife rack 3 and drive plate 4 are in transmission connection, drive plate 4 can be driven to swing when movable knife rack 3 rotates, drive plate 4 and stationary knife 5 are in transmission connection, stationary knife 5 can be driven to move when drive plate 4 swings, driving crank 13, cutter shaft connecting rod 32 all moves in perpendicular, and drive plate 4 swings in horizontal plane, play the effect accepting movable knife rack 3 and stationary knife 5, namely movable knife rack 3 drives drive plate 4 to swing, drive plate 4 drives stationary knife 5 to move, realize moving knife 31 to move with the synchronous backward of stationary knife 5.One end of keyset 41 is connected on drive plate 4, the side of movable knife rack 3 has circular eccentric boss 33, this eccentric boss 33 and lower shaft 11 eccentric setting, one end of kinematic link 6 has the connecting portion 61 of annular, this connecting portion 61 turning set is located on eccentric boss 33, the other end of kinematic link 6 and the other end of keyset 41 are hinged, i.e. movable knife rack 3 and kinematic link 6 eccentric setting, when movable knife rack 3 rotates, drive link can be rotated relative to movable knife rack 3, and under the effect of eccentric boss 33, drive link can move, and then drive drive plate 4 to swing by keyset 41.The side of movable knife rack 3 has the convex of annular along 34, it is inner along 34 that eccentric boss 33 is positioned at convex, the end of lower shaft 11 is also arranged with circular orientation plate 7, this location-plate 7 is connected on base plate 1, and the side of location-plate 7 abuts on connecting portion 61 side of kinematic link 6, connecting portion 61 another side of kinematic link 6 abuts in convex along on 34 sides, location-plate 7 and convex play positioning action along the connecting portion 61 of 34 pairs of kinematic links 6, kinematic link 6 is avoided to occur rocking or being shifted, certain convex annular is along arranging with eccentric boss 33 concentric, frictional force during to reduce connecting portion 61 action of kinematic link 6 and noise.
Shown in composition graphs 8, holder 14 is fixed with in base plate 1, side offers chute 141 with holder 14, stationary knife 5 is slidably connected in the chute 141 of base plate 1 by slide block 51, namely slide block 51 is slidably connected in chute 141, side vertically has trundle 52 to slide block 51, the free end sidewall of drive plate 4 offers bar-shaped trough 42 along its length, trundle 52 sliding plug is in bar-shaped trough 42, namely stationary knife 5 is connected on slide block 51, be connected with base plate 1 by slide block 51, when drive plate 4 swings, drive plate 4 and trundle 52 are apart from changing, therefore trundle 52 is plugged in the bar-shaped trough 42 of drive plate 4, namely drive plate 4 promotes trundle 52 by swinging, slide block 51 is moved, certain trundle 52 can slide in bar-shaped trough 42, avoid stuck, the external diameter of trundle 52 is identical with the width of bar-shaped trough 42, the swing of drive plate 4 and the mobile of slide block 51 is made to keep synchronism, and then make moving knife 31 and stationary knife 5 can synchronization action.Holder 14 is fixed by screws on base plate 1 inwall, and the cross section of chute 141 and slide block 51 is all rectangular, and namely the side of slide block 51 can recline mutually with chute 141 cell wall, slide block 51 is moved more stable, and then makes the action of stationary knife 5 more stable.Slide block 51 end face offers inserting groove 511, stationary knife 5 is in strip, one end of stationary knife 5 is cutting edge, other end sliding plug is in inserting groove 511 and by screw lock, namely on the side of slide block 51, offer screw, when screw unclamps, stationary knife 5 can stretch in inserting groove 511, distance when regulating moving knife 31 and stationary knife 5 to be failure to actuate, namely regulate cutter amount, regulate tightening screw after putting in place, the end of screw can be pressed on stationary knife 5 side.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as base plate 1, lower shaft 11, driving shaft 12 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (9)
1. the thread cutting mechanism of a Sewing machines, Sewing machines comprises base plate (1) and is connected in the casing (2) on base plate (1), described casing (2) is provided with eedle (21), lower shaft (11) and driving shaft (12) is rotatably connected in described base plate (1), described lower shaft (11) and driving shaft (12) parallel, it is characterized in that, described thread cutting mechanism comprises moving knife (31), stationary knife (5) and discoid movable knife rack (3), described movable knife rack (3) is fixed on the end of lower shaft (11), described moving knife (31) is connected on movable knife rack (3), described driving shaft (12) and movable knife rack (3) are in transmission connection and movable knife rack (3) can be driven to rotate, described stationary knife (5) is slidably connected in base plate (1), and the cutting edge of stationary knife (5) is relative with the cutting edge of moving knife (31), above-mentioned eedle (21) can stretch into base plate (1) and be positioned between moving knife (31) and stationary knife (5), be provided with between described movable knife rack (3) and stationary knife (5) when movable knife rack (3) to rotate to side and enable moving knife (31) to stationary knife (5) near time drive stationary knife (5) mobile and to the close drive mechanism of eedle (21).
2. the thread cutting mechanism of Sewing machines according to claim 1, it is characterized in that, described moving knife (31) is positioned at the side of lower shaft (11), described movable knife rack (3) is hinged with cutter shaft connecting rod (32) at the opposite side of lower shaft (11), the end of described driving shaft (12) is fixed with driving crank (13), and free end and the driving crank (13) of described cutter shaft connecting rod (32) are hinged.
3. the thread cutting mechanism of Sewing machines according to claim 1, it is characterized in that, described drive mechanism comprises the drive plate (4) of strip, one end of described drive plate (4) is hinged on base plate (1) inwall, above-mentioned movable knife rack (3) and drive plate (4) are in transmission connection, drive plate (4) can be driven to swing when movable knife rack (3) rotates, described drive plate (4) and stationary knife (5) are in transmission connection, and stationary knife (5) can be driven when drive plate (4) swings mobile.
4. the thread cutting mechanism of Sewing machines according to claim 3, it is characterized in that, described drive mechanism also comprises kinematic link (6) and keyset (41), one end of described keyset (41) is connected on drive plate (4), the side of described movable knife rack (3) has circular eccentric boss (33), this eccentric boss (33) and lower shaft (11) eccentric setting, one end of described kinematic link (6) has the connecting portion (61) of annular, this connecting portion (61) turning set is located on eccentric boss (33), the other end of described kinematic link (6) and the other end of keyset (41) are hinged.
5. the thread cutting mechanism of Sewing machines according to claim 4, it is characterized in that, described stationary knife (5) is slidably connected in base plate (1) by slide block (51), described slide block (51) side vertically has trundle (52), the free end sidewall of described drive plate (4) offers along its length bar-shaped trough (42), described trundle (52) sliding plug is in bar-shaped trough (42).
6. the thread cutting mechanism of Sewing machines according to claim 5, it is characterized in that, holder (14) is fixed with in described base plate (1), described holder (14) side offers chute (141), above-mentioned slide block (51) is slidably connected in chute (141).
7. the thread cutting mechanism of Sewing machines according to claim 5, it is characterized in that, described slide block (51) end face offers inserting groove (511), described stationary knife (5) is in strip, one end of stationary knife (5) is cutting edge, and other end sliding plug is in inserting groove (511) and pass through screw lock.
8. the thread cutting mechanism of the Sewing machines according to claim 4 or 5 or 6, it is characterized in that, the side of described movable knife rack (3) has the convex of annular along (34), it is inner along (34) that above-mentioned eccentric boss (33) is positioned at convex, the end of described lower shaft (11) is also arranged with circular orientation plate (7), this location-plate (7) is connected on base plate (1), and the side of location-plate (7) abuts on connecting portion (61) side of kinematic link (6), connecting portion (61) another side of described kinematic link (6) abuts in convex on (34) side.
9. the thread cutting mechanism of the Sewing machines according to claim 5 or 6, is characterized in that, the external diameter of described trundle (52) is identical with the width of bar-shaped trough (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520729263.6U CN205046329U (en) | 2015-09-19 | 2015-09-19 | Sewing machine's thread trimming mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520729263.6U CN205046329U (en) | 2015-09-19 | 2015-09-19 | Sewing machine's thread trimming mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205046329U true CN205046329U (en) | 2016-02-24 |
Family
ID=55339927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520729263.6U Withdrawn - After Issue CN205046329U (en) | 2015-09-19 | 2015-09-19 | Sewing machine's thread trimming mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205046329U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133215A (en) * | 2015-09-19 | 2015-12-09 | 浙江中捷缝纫科技有限公司 | Thread cutting mechanism of sewing machine |
| CN105734851A (en) * | 2016-05-10 | 2016-07-06 | 上海富山精密机械科技有限公司 | Thread cutting device of sewing machine |
| CN107916507A (en) * | 2016-10-08 | 2018-04-17 | 杰克缝纫机股份有限公司 | A kind of thread shearing device of sewing machine |
-
2015
- 2015-09-19 CN CN201520729263.6U patent/CN205046329U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133215A (en) * | 2015-09-19 | 2015-12-09 | 浙江中捷缝纫科技有限公司 | Thread cutting mechanism of sewing machine |
| CN105734851A (en) * | 2016-05-10 | 2016-07-06 | 上海富山精密机械科技有限公司 | Thread cutting device of sewing machine |
| CN107916507A (en) * | 2016-10-08 | 2018-04-17 | 杰克缝纫机股份有限公司 | A kind of thread shearing device of sewing machine |
| CN107916507B (en) * | 2016-10-08 | 2023-10-31 | 杰克科技股份有限公司 | Thread cutting device of sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160921 Address after: 317604 Taizhou Province, Yuhuan County, Lantau Island Road, Hing Hong Kong Road, No. 198 Patentee after: Zhejiang Zoje Sewing Technology Co., Ltd. Patentee after: Zhejiang Zhongyi Sewing Machine Co Ltd Patentee after: Zhejiang Besserman sewing machine Co., Ltd. Address before: 317600, Taizhou, Zhejiang province Yuhuan County barley island Street Hing Tung Road, No. 198 Patentee before: Zhejiang Zoje Sewing Technology Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20160224 Effective date of abandoning: 20181023 |
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| AV01 | Patent right actively abandoned |