CN105666187A - Clamping fixture for processing inner wall of engaging lug on weld yoke based on processing center - Google Patents
Clamping fixture for processing inner wall of engaging lug on weld yoke based on processing center Download PDFInfo
- Publication number
- CN105666187A CN105666187A CN201610210061.XA CN201610210061A CN105666187A CN 105666187 A CN105666187 A CN 105666187A CN 201610210061 A CN201610210061 A CN 201610210061A CN 105666187 A CN105666187 A CN 105666187A
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- depression bar
- gripper shoe
- engaging lug
- weld yoke
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a clamping fixture for processing the inner wall of an engaging lug on a weld yoke based on a processing center. The clamping fixture comprises a first support plate, connection plates, a support table, a second support plate, first pressing rod, first pressing plates, second pressing rods, a second pressing plate, a positioning round boss and ejector rods, wherein the two connection plates are connected with the first support plate; the support table is connected with the first support plate; the second support plate is fixed on the support table; the positioning round boss is fixed on the second support plate; multiple ejector rods are uniformly distributed on the second support plate; two first pressing rods are vertically connected with the left and right sides of the second support plate respectively; four second pressing rods are connected with the second support plate; the first pressing plate and the second pressing plate are rotatably connected with the first pressing plates and the second pressing rods respectively; the first pressing plate is pressed in a limiting groove; and the second pressing plate is pressed on the end surface while a cross-axle connection part is tightly placed against the ejector rods. The clamping fixture disclosed by the invention has the advantages of few clamping times, high working efficiency, balanced fixture stress and good clamping effect.
Description
Technical field:
The present invention relates to a kind of clamping device engaging lug internal face on weld yoke processed based on machining center.
Background technology:
Weld yoke profile difference complicated (such as Fig. 1), engaging lug internal face on weld yoke 100,200 is being added man-hour by current machining center, what adopt is the method for substep processing, it is thus desirable to part is carried out multiple clamping by this, therefore working (machining) efficiency is low, simultaneously because multiple clamping, locating surface is inconsistent, cause the accumulation of error, affect the raising of machining accuracy.
Therefore, necessary prior art improves to solve the deficiency of prior art.
Summary of the invention:
The present invention provides a kind of clamping device engaging lug internal face on weld yoke processed based on machining center to solve above-mentioned prior art Problems existing.
The technical solution adopted in the present invention has: based on machining center to the clamping device of engaging lug internal face processing on weld yoke, described weld yoke has central siphon connecting portion and fixes the cross axle connecting portion being connected with central siphon connecting portion, described cross axle connecting portion is provided with two engaging lugs being respectively provided with connecting hole, the inner peripheral wall of described connecting hole is provided with stopper slot, the end face of arc-shaped it is formed with between described two engaging lugs, the described fixture of weld yoke described in clamping includes the first gripper shoe, connecting plate, support platform, second gripper shoe, first depression bar, first pressing plate, second depression bar, second pressing plate, setting circle boss and push rod, connecting plate described in two is vertically connected on the left and right sides of the first gripper shoe, support platform and be fixedly connected in the first gripper shoe and between two connecting plates, second gripper shoe is fixed on support platform, setting circle boss is fixed in the second gripper shoe, some push rods are distributed in the second gripper shoe along setting circle boss circumferencial direction, two first depression bars are respectively perpendicular the left and right sides being connected to the second gripper shoe, four second depression bars are one group between two is fixedly connected on the both sides, front and back of the second gripper shoe respectively, first pressing plate and the second pressing plate are rotatably coupled on the first pressing plate and on the second depression bar respectively, and first pressing plate pressure touch in described stopper slot, second pressing plate pressure is touched on end face and is closely against on push rod by cross axle connecting portion.
Further, the two ends up and down of described first depression bar are arranged with the first threaded joints, and the diameter of this first threaded joints is less than the diameter of the first depression bar, and is formed with the first positioning step between the first threaded joints and the first depression bar.
Further, described first pressing plate is provided with the first connecting hole, first pressing plate is set on the first threaded joints of the first depression bar upper end by this first connecting hole and axially positions on this end first positioning step, spin suitable nut on described first threaded joints, screwing this nut, the first pressing plate touches in stopper slot with vertical direction pressure.
Further, the cross section of described first pressing plate is trapezoidal shape.
Further, described second gripper shoe is provided with the stepped hole suitable with lower end first positioning step of described first depression bar.
Further, the upper end of described second depression bar is provided with the second threaded joints, and the diameter of this second threaded joints is less than the diameter of the second depression bar, and is formed with the second positioning step between the second threaded joints and the second depression bar.
Further, described second pressing plate is provided with the second connecting hole, second pressing plate is set on the second threaded joints of the second depression bar by this second connecting hole and axially positions on described second positioning step, spin suitable nut on described second threaded joints, screwing this nut, the second pressing plate pressure is touched on described end face.
Further, the lower surface of described second pressing plate is provided with some ratchets.
Further, described connecting plate is provided with some fastening through-holes.
There is advantages that
This number of clamping of the present invention is few so that working (machining) efficiency is greatly improved, and the fixture of the present invention arranges location and the position compressed cleverly, has reasonably got out of the way part and has added the space of cutter operation in man-hour; Present clip stress equalization, clamping is effective.
Accompanying drawing illustrates:
Fig. 1 is the three-valued structures figure of weld yoke in prior art.
Fig. 2 is the front view of clamping device of the present invention.
Fig. 3 is the top view of clamping device of the present invention.
Fig. 4 is the structure chart of the first depression bar in clamping device of the present invention.
Fig. 5 is the structure chart of the first pressing plate in clamping device of the present invention.
Fig. 6 is the structure chart of the second gripper shoe in clamping device of the present invention.
Fig. 7 is the structure chart of the second depression bar in clamping device of the present invention.
Fig. 8 is the structure chart of the second pressing plate in clamping device of the present invention.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As it is shown in figure 1, the clamping device that engaging lug internal face on weld yoke is processed by the present invention based on machining center, described weld yoke has central siphon connecting portion 400 and cross axle connecting portion 500, and central siphon connecting portion 400 is fixedly connected on the bottom of cross axle connecting portion 500. Cross axle connecting portion 500 is provided with two engaging lugs 501, and this engaging lug 501 is provided with connecting hole 502, and the inner peripheral wall of connecting hole 502 is provided with stopper slot 503, is formed with the end face A of arc-shaped between two engaging lugs 501.
In the minds of the clamped one time work in-process of the fixture being processed by the present invention of above-mentioned weld yoke engaging lug internal face. such as Fig. 2 and Fig. 3, clamping device of the present invention includes the first gripper shoe 11, connecting plate 12, support platform 13, second gripper shoe 21, first depression bar 22, first pressing plate 23, second depression bar 24, second pressing plate 25, setting circle boss 26 and push rod 27, two pieces of connecting plates 12 are vertically connected on the left and right sides of the first gripper shoe 11, support platform 13 and be fixedly connected in the first gripper shoe 11 and between two connecting plates 12, second gripper shoe 21 is fixedly connected on support platform 13, setting circle boss 26 is fixed in the second gripper shoe 21, some push rods 27 are distributed in the second gripper shoe 21 along the circumferencial direction of setting circle boss 26. two first depression bars 22 are respectively perpendicular the left and right sides being connected to the second gripper shoe 21, and the first pressing plate 23 is rotatably coupled on the first depression bar 22, and the first pressing plate 23 pressure is touched in the stopper slot 503 in the connecting hole 502 of engaging lug 501. four second depression bars 24 are one group between two is fixedly connected on the both sides, front and back of the second gripper shoe 21 respectively, second pressing plate 25 is rotatably coupled on the second depression bar 24, and the second pressing plate 25 pressure is touched on the end face A of cross axle connecting portion 500 and is closely against on push rod 27 by cross axle connecting portion 500.
Such as Fig. 4, it is arranged with the first threaded joints 221 at the two ends up and down of the first depression bar 22, the diameter of this first threaded joints 221 is less than the diameter of the first depression bar 22, and is formed with the first positioning step (not marking in figure) between the first threaded joints 221 and the first depression bar 22.
Such as Fig. 5, being provided with the first connecting hole 231 on the first pressing plate 23, the first pressing plate 23 is set on the first threaded joints 221 of the first depression bar 22 upper end by this first connecting hole 231, and axially positions on the first positioning step of upper end. Spin suitable nut on this end first threaded joints 221, screws this nut, and the first pressing plate 23 touches in the stopper slot 503 in connecting hole 502 with vertical direction pressure.
The present invention be increase the first pressing plate 23 in stopper slot 503 at pressure, the cross section of the first pressing plate 23 is trapezoidal shape.
Such as Fig. 6, the second gripper shoe 21 is provided with the stepped hole 210 suitable with lower end first positioning step of the first depression bar 22. First threaded joints 221 this stepped hole 210 of traverse of first pressing plate 23 lower end, and axially positioned in stepped hole 210 by this end first positioning step, spin suitable nut on lower end the first threaded joints 221, screwing this nut, the first depression bar 22 is fixedly connected in the second gripper shoe 21.
Such as Fig. 7, it is provided with the second threaded joints 241 in the upper end of the second depression bar 24, the diameter of this second threaded joints 241 is less than the diameter of the second depression bar 24, and is formed with the second positioning step (not marking in figure) between the second threaded joints 241 and the second depression bar 24.
Such as Fig. 8, being provided with the second connecting hole 251 on the second pressing plate 25, the second pressing plate 25 is set on the second threaded joints 241 of the second depression bar 24 by this second connecting hole 251 and is axially positioned on the second positioning step of the second depression bar 24. Spin suitable nut on the second threaded joints 241, screws this nut, and the second pressing plate 25 pressure is touched on the end face A of cross axle connecting portion 500.
Owing to the end face A on cross axle connecting portion 500 is arc-shaped, the present invention increases the frictional force between the second pressing plate 25 and end face A, is provided with some ratchets 252 in the lower surface of the second pressing plate 25.
The internal face 100,200 of engaging lug on weld yoke is added man-hour, the central siphon connecting portion 400 of weld yoke is placed on setting circle boss 26, under the first pressing plate 23 and the second pressing plate 25 combined effect, compresses weld yoke. Engaging lug 501 internal face 300 on weld yoke is being added man-hour, is overturning present clip, connecting plate 12 is fixed on the work top of machining center.
The present invention, for ease of the connection of connecting plate 12 with machining center, is provided with some fastening through-holes 120 on connecting plate 12.
The above is only the preferred embodiment of the present invention, it is noted that for those skilled in the art, can also make some improvement under the premise without departing from the principles of the invention, and these improvement also should be regarded as protection scope of the present invention.
Claims (9)
1. based on machining center to the clamping device of engaging lug internal face processing on weld yoke, described weld yoke has central siphon connecting portion (400) and the cross axle connecting portion (500) that be connected fixing with central siphon connecting portion (400), described cross axle connecting portion (500) is provided with two engaging lugs (501) being respectively provided with connecting hole (502), the inner peripheral wall of described connecting hole (502) is provided with stopper slot (503), the end face (A) of arc-shaped it is formed with between described two engaging lugs (501), it is characterized in that: the described fixture of weld yoke described in clamping includes the first gripper shoe (11), connecting plate (12), support platform (13), second gripper shoe (21), first depression bar (22), first pressing plate (23), second depression bar (24), second pressing plate (25), setting circle boss (26) and push rod (27), connecting plate described in two (12) is vertically connected on the left and right sides of the first gripper shoe (11), support platform (13) is fixedly connected on the first gripper shoe (11) and above and is positioned between two connecting plates (12), second gripper shoe (21) is fixed in support platform (13), setting circle boss (26) is fixed in the second gripper shoe (21), some push rods (27) are distributed in the second gripper shoe (21) along setting circle boss (26) circumferencial direction, two first depression bars (22) are respectively perpendicular the left and right sides being connected to the second gripper shoe (21), four second depression bars (24) are one group between two is fixedly connected on the both sides, front and back of the second gripper shoe (21) respectively, first pressing plate (23) and the second pressing plate (25) are rotatably coupled on the first pressing plate (23) and on the second depression bar (24) respectively, and first pressing plate (23) pressure touch in described stopper slot (503), second pressing plate (25) pressure is touched upper at end face (A) and is closely against on push rod (27) by cross axle connecting portion (500).
2. clamping device engaging lug internal face on weld yoke processed based on machining center as claimed in claim 1, it is characterized in that: the two ends up and down of described first depression bar (22) are arranged with the first threaded joints (221), the diameter of this first threaded joints (221) is less than the diameter of the first depression bar (22), and is formed with the first positioning step between the first threaded joints and the first depression bar.
3. clamping device engaging lug internal face on weld yoke processed based on machining center as claimed in claim 2, it is characterized in that: described first pressing plate (23) is provided with the first connecting hole (231), the first threaded joints (221) that first pressing plate (23) is set on the first depression bar upper end by this first connecting hole (231) above and axially positions on this end first positioning step, spin suitable nut on described first threaded joints (221), screwing this nut, the first pressing plate (23) touches in stopper slot (503) with vertical direction pressure.
4. clamping device engaging lug internal face on weld yoke processed based on machining center as claimed in claim 3, it is characterised in that: the cross section of described first pressing plate (23) is trapezoidal shape.
5. clamping device engaging lug internal face on weld yoke processed based on machining center as claimed in claim 2, it is characterised in that: described second gripper shoe (21) is provided with the stepped hole (210) suitable with lower end first positioning step of described first depression bar (22).
6. clamping device engaging lug internal face on weld yoke processed based on machining center as claimed in claim 1, it is characterized in that: the upper end of described second depression bar (24) is provided with the second threaded joints (241), the diameter of this second threaded joints (241) is less than the diameter of the second depression bar (24), and is formed with the second positioning step between the second threaded joints and the second depression bar.
7. clamping device engaging lug internal face on weld yoke processed based on machining center as claimed in claim 6, it is characterized in that: described second pressing plate (25) is provided with the second connecting hole (251), the second threaded joints (241) that second pressing plate (25) is set on the second depression bar (24) by this second connecting hole (251) above and axially positions on described second positioning step, spin suitable nut on described second threaded joints (241), screwing this nut, the second pressing plate (25) pressure is touched on described end face (A).
8. clamping device engaging lug internal face on weld yoke processed based on machining center as claimed in claim 7, it is characterised in that: the lower surface of described second pressing plate (25) is provided with some ratchets (252).
9. clamping device engaging lug internal face on weld yoke processed based on machining center as claimed in claim 1, it is characterised in that: described connecting plate (12) is provided with some fastening through-holes (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610210061.XA CN105666187B (en) | 2016-04-07 | 2016-04-07 | The clamping device processed based on machining center to engaging lug internal face on weld yoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610210061.XA CN105666187B (en) | 2016-04-07 | 2016-04-07 | The clamping device processed based on machining center to engaging lug internal face on weld yoke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105666187A true CN105666187A (en) | 2016-06-15 |
| CN105666187B CN105666187B (en) | 2017-08-25 |
Family
ID=56308334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610210061.XA Expired - Fee Related CN105666187B (en) | 2016-04-07 | 2016-04-07 | The clamping device processed based on machining center to engaging lug internal face on weld yoke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105666187B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030504A (en) * | 2017-06-05 | 2017-08-11 | 南京胜捷电机制造有限公司 | A kind of clamping device processed based on machining center to motor case Top Leading-out Hole |
| CN111579227A (en) * | 2020-05-13 | 2020-08-25 | 中国水产科学研究院南海水产研究所 | Test equipment for testing mechanical property of deep water net cage floating frame structure |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980034885A (en) * | 1996-11-09 | 1998-08-05 | 오상수 | Work clamping device for machining power steering yokes |
| CN102166719A (en) * | 2011-03-07 | 2011-08-31 | 瓦房店轴承砂轮制造有限公司 | Clamp and process for machining welding yoke of automobile |
| CN202344284U (en) * | 2011-10-31 | 2012-07-25 | 长城汽车股份有限公司 | Automotive steering knuckle machining clamp |
| CN202367481U (en) * | 2011-12-29 | 2012-08-08 | 许昌远东传动轴股份有限公司 | Fixture for boring lug hole of sliding fork |
| CN202377828U (en) * | 2011-12-28 | 2012-08-15 | 许昌远东传动轴股份有限公司 | Tool used for processing lug holes of universal joint forks |
| CN102941480A (en) * | 2012-11-20 | 2013-02-27 | 晓健科技（大连）有限公司 | Mould of boring ear hole of weld yoke |
| CN103143967A (en) * | 2013-03-11 | 2013-06-12 | 钱汝玉 | Rapid-positioning and pneumatic-compressing universal fixture capable of slightly adjusting inclination angle |
| CN203272504U (en) * | 2013-05-16 | 2013-11-06 | 温州天和汽车部件有限公司 | Universal joint fork |
| CN203459862U (en) * | 2013-09-17 | 2014-03-05 | 缙云县高新机械制造有限公司 | Tool clamp for processing clamp spring grooves of two earholes of weld yoke/shaft yoke |
| CN103894800A (en) * | 2014-01-26 | 2014-07-02 | 泰尔重工股份有限公司 | Candan universal joint fork processing method and fixture of candan universal joint fork |
| CN104816178A (en) * | 2015-05-08 | 2015-08-05 | 常州大学 | Process centralized shift fork clamp |
| CN205437899U (en) * | 2016-04-07 | 2016-08-10 | 镇江远大传动机械有限公司 | Clamping anchor clamps based on processing of engaging lug internal face is stuck to machining center butt weld |
-
2016
- 2016-04-07 CN CN201610210061.XA patent/CN105666187B/en not_active Expired - Fee Related
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980034885A (en) * | 1996-11-09 | 1998-08-05 | 오상수 | Work clamping device for machining power steering yokes |
| CN102166719A (en) * | 2011-03-07 | 2011-08-31 | 瓦房店轴承砂轮制造有限公司 | Clamp and process for machining welding yoke of automobile |
| CN202344284U (en) * | 2011-10-31 | 2012-07-25 | 长城汽车股份有限公司 | Automotive steering knuckle machining clamp |
| CN202377828U (en) * | 2011-12-28 | 2012-08-15 | 许昌远东传动轴股份有限公司 | Tool used for processing lug holes of universal joint forks |
| CN202367481U (en) * | 2011-12-29 | 2012-08-08 | 许昌远东传动轴股份有限公司 | Fixture for boring lug hole of sliding fork |
| CN102941480A (en) * | 2012-11-20 | 2013-02-27 | 晓健科技（大连）有限公司 | Mould of boring ear hole of weld yoke |
| CN103143967A (en) * | 2013-03-11 | 2013-06-12 | 钱汝玉 | Rapid-positioning and pneumatic-compressing universal fixture capable of slightly adjusting inclination angle |
| CN203272504U (en) * | 2013-05-16 | 2013-11-06 | 温州天和汽车部件有限公司 | Universal joint fork |
| CN203459862U (en) * | 2013-09-17 | 2014-03-05 | 缙云县高新机械制造有限公司 | Tool clamp for processing clamp spring grooves of two earholes of weld yoke/shaft yoke |
| CN103894800A (en) * | 2014-01-26 | 2014-07-02 | 泰尔重工股份有限公司 | Candan universal joint fork processing method and fixture of candan universal joint fork |
| CN104816178A (en) * | 2015-05-08 | 2015-08-05 | 常州大学 | Process centralized shift fork clamp |
| CN205437899U (en) * | 2016-04-07 | 2016-08-10 | 镇江远大传动机械有限公司 | Clamping anchor clamps based on processing of engaging lug internal face is stuck to machining center butt weld |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030504A (en) * | 2017-06-05 | 2017-08-11 | 南京胜捷电机制造有限公司 | A kind of clamping device processed based on machining center to motor case Top Leading-out Hole |
| CN111579227A (en) * | 2020-05-13 | 2020-08-25 | 中国水产科学研究院南海水产研究所 | Test equipment for testing mechanical property of deep water net cage floating frame structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105666187B (en) | 2017-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206010505U (en) | For bar processing more than one piece parallel linkage floating platen fixture | |
| CN105666187A (en) | Clamping fixture for processing inner wall of engaging lug on weld yoke based on processing center | |
| KR100726781B1 (en) | Press bending machine and method for using the same | |
| CN203936424U (en) | The drilling tool of electric motor end cap | |
| CN205437898U (en) | A clamping anchor clamps for welding stick processing of engaging lug internal face | |
| CN205437944U (en) | Be used for processing welding to stick anchor clamps of connecting hole on lathe | |
| CN205437899U (en) | Clamping anchor clamps based on processing of engaging lug internal face is stuck to machining center butt weld | |
| CN203356924U (en) | Welding fixture | |
| CN105666008A (en) | Clamping fixture for processing inner wall of engaging lug on weld yoke | |
| CN104708155A (en) | Pipe linear cutting tool | |
| CN105666355A (en) | Novel clamp structure | |
| CN104625525A (en) | Welding fixture for metal plates | |
| CN105666007A (en) | Fixture for processing inner wall of engaging lug on weld yoke based on processing center | |
| CN205437897U (en) | Anchor clamps based on processing of engaging lug internal face is stuck to machining center butt weld | |
| CN205325225U (en) | Clamp plate formula anchor clamps that float | |
| CN211414881U (en) | Clamp with good fastening performance | |
| CN204771306U (en) | Head tube welding position device | |
| CN110258832B (en) | Auxiliary mounting device for fixing component of assembled insulation board | |
| CN105666216A (en) | Fixture for processing connection hole in weld yoke on lathe | |
| CN210790134U (en) | Clamp assembly for simultaneously fixing forward and reverse bidirectional products | |
| CN105666186A (en) | Clamp for processing internal circumferential surface of shaft pipe connecting hole on welding yoke based on lathe | |
| CN205733580U (en) | Charging pile robot arm welding tooling | |
| CN204546019U (en) | For the built-up jig that the cavity of communication base station is processed | |
| CN210742563U (en) | Spacing lower fixture of laser coupling platform | |
| CN204954215U (en) | Little for cross welding jig of harvester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 Termination date: 20180407 |