CN106704297A - Pneumatic actuator - Google Patents
Pneumatic actuator Download PDFInfo
- Publication number
- CN106704297A CN106704297A CN201611248487.0A CN201611248487A CN106704297A CN 106704297 A CN106704297 A CN 106704297A CN 201611248487 A CN201611248487 A CN 201611248487A CN 106704297 A CN106704297 A CN 106704297A
- Authority
- CN
- China
- Prior art keywords
- air chamber
- push rod
- piston
- stomata
- casing
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1471—Guiding means other than in the end cap
Abstract
The invention provides a pneumatic actuator. The pneumatic actuator comprises a first cylinder body and a second cylinder body respectively connected to two sides of a box body; a first piston is arranged in the first cylinder body for dividing space in the first cylinder body into a first air chamber and a third air chamber; a second piston is arranged in the second cylinder body for dividing space in the second cylinder body into a second air chamber and a fourth air chamber; cylinder bodies of the first air chamber and the third air chamber are respectively provided with a first air hole and a third air hole; cylinder bodies of the second air chamber and the fourth air chamber are respectively provided with a second air hole and a fourth air hole; two ends of an offset push rod and a center push rod are respectively connected with the first piston and the second piston to form a piston motion module; the offset push rod is positioned on one side, deviated from an output shaft, of the center push rod; a push rod lock clamp is arranged in the box body, and is connected with the offset push rod and the center push rod; and a push piece is mounted on the push rod lock clamp, and is used for pushing a crank to rotate. The pneumatic actuator enables the operation of the cylinders to become more smooth and reliable, and improves the torque.
Description
Technical field
The present invention relates to a kind of executing agency, especially a kind of pneumatic actuator.
Background technology
Current existing angle stroke pneumatic actuator is gear ＆ rack structure or shifting fork structure.Both structures are all handles
Piston component centre of motion line is set to one end of the arm of force；This structure is all only set to a core shift, is examined from cost using
Medium and small moment of torsion is considered generally from gear ＆ rack structure, and high pulling torque selects shifting fork structure；It is each advantageous；Respectively there is deficiency：Rack-and-pinion
Point biasing such as compact conformation, arm of force, but high pulling torque can not be provided, because more big more clumsy, efficiency is lower；Shifting fork structure is simple,
Arm of force side core shift is set, and is adapted to high pulling torque output, also in that the big weighting of body, is confined to lateral deviation core weight imbalance problem,
The space very little of torque arm length selection, inefficient, use cost is of a relatively high.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of pneumatic actuator, for moment of torsion
Problem, increases torque arm length and improves torque value by the biased push rod set on piston movement component, defeated to reach high pulling torque
The effect for going out.The technical solution adopted by the present invention is：
A kind of pneumatic actuator, it is characterised in that including：
First air chamber, the second air chamber, the 3rd air chamber, the 4th air chamber, the first cylinder block, the second cylinder block, casing, biased push rod,
Center push rod, crank, impeller, the first stomata, the second stomata, the 3rd stomata, the 4th stomata, first piston, second piston, push away
Lever lock folder, output shaft；
First cylinder block and the second cylinder block are connected to the both sides of casing, constitute an outrigger structure；First piston is set
In in the first cylinder block, space in the first cylinder block is divided into the first air chamber and the 3rd air chamber；Second piston is arranged at second
In cylinder block, space in the second cylinder block is divided into the second air chamber and the 4th air chamber；Wherein, the 3rd air chamber and the second air chamber position
It is located at away from the outside of casing near the inner side of casing, the first air chamber and the 4th air chamber；The cylinder of the first air chamber and the 3rd air chamber
The first stomata and the 3rd stomata are respectively equipped with body；The second stomata and are respectively equipped with the cylinder body of the second air chamber and the 4th air chamber
Four stomatas；
The two ends of biased push rod and center push rod are connected with first piston and second piston respectively, constitute piston movement component；Partially
Push rod is put positioned at the side of the deviation output shaft of center push rod；
Push-rod lock is located in casing, and push rod locker is all connected with biased push rod and center push rod；One is installed on push rod locker
Individual impeller；
In casing, the lower end of crank connects output shaft to crank；Crank is provided with a chute, and the impeller insertion is described
In chute；Impeller is rotated for throw crank, so as to drive output shaft rotation.
Further, the first stomata is located at cylinder body lateral ends of first air chamber away from casing；3rd stomata is located at the 3rd
Cylinder body inner opposite end of the air chamber near casing.
Further, the second stomata is located at cylinder body inner opposite end of second air chamber near casing；4th stomata is located at the 4th
Cylinder body lateral ends of the air chamber away from casing.
Further, center push rod is located on the first cylinder block, the central axis of the second cylinder block or near the first cylinder
The central axis of body, the second cylinder block.
Further, impeller uses column or roller.
Further, the crank left and right sides is respectively provided with a shoulder, and two, crank or so is rotated in place position on casing
It is respectively provided with a bolt for being offseted with the shoulder.
Further, described pneumatic actuator, also including the first spring, second spring；
First spring and second spring are separately positioned in the 3rd air chamber, the 4th air chamber；One end connection first of the first spring is lived
Plug, the other end connects the inner side cylinder body of the 3rd air chamber；One end connection second piston of second spring, the other end connects the 4th air chamber
Outside cylinder body；
Or：
First spring and second spring are separately positioned in the first air chamber, the second air chamber；One end of first spring connects the first gas
The outside cylinder body of room, other end connection first piston；One end of second spring connects the inner side cylinder body of the second air chamber, and the other end connects
Connect second piston.
The advantage of the invention is that：
1）Piston is connected with two push rods, has prevented the problem of axial rotation during piston movement, enhance the whole of motion module
Body rigidity, runs cylinder more steady reliable；
2）Replace guide post using push rod, optimize the integraty of structure, incorporate moving parts；
3）Push-rod lock grips the slide-and-guide block for current actuator, the energy loss in motion of removal slide-and-guide block；
4）The impetus for moving conversion is arranged on another push rod beyond linear motion center push rod, makes crank in transmission
Axle central point increased a core shift torque arm length again to beyond the core shift torque arm length of piston movement component movement center line, because
This obtains double core shifts, increases the structure of the arm of force, so that output shaft output torque is doubled.
Brief description of the drawings
Fig. 1 is one of the state of the pneumatic actuator of embodiments of the invention one schematic diagram.
Fig. 2 is two schematic diagrames of the state of the pneumatic actuator of embodiments of the invention one.
Fig. 3 is one of the state of the pneumatic actuator of embodiments of the invention two schematic diagram.
Fig. 4 is two schematic diagrames of the state of the pneumatic actuator of embodiments of the invention two.
Specific embodiment
With reference to specific drawings and Examples, the invention will be further described.
Embodiment one, as shown in Figure 1 and Figure 2, pneumatic actuator proposed by the present invention, including：
First air chamber 1, the second air chamber 2, the 3rd air chamber 3, the 4th air chamber 4, the first cylinder block 5, the second cylinder block 6, casing 7, partially
Put push rod 8, center push rod 9, crank 10, impeller 11, the first stomata 12, the second stomata 13, the 3rd stomata 14, the 4th stomata
15th, first piston 16, second piston 17, push rod locker 18, the first bolt 19, the second bolt 20, output shaft 21；
First cylinder block 5 and the second cylinder block 6 are connected to the both sides of casing 7, constitute an outrigger structure；First piston 16
It is arranged in the first cylinder block 5, space in the first cylinder block 5 is divided into the first air chamber 1 and the 3rd air chamber 3；Second piston 17
It is arranged in the second cylinder block 6, space in the second cylinder block 6 is divided into the second air chamber 2 and the 4th air chamber 4；Wherein, the 3rd gas
The air chamber 2 of room 3 and second is located near the inner side of casing 7, and the first air chamber 1 and the 4th air chamber 4 are located at away from the outside of casing 7；The
The first stomata 12 and the 3rd stomata 14 are respectively equipped with the cylinder body of one air chamber 1 and the 3rd air chamber 3；Second air chamber 2 and the 4th air chamber 4
Cylinder body on be respectively equipped with the second stomata 13 and the 4th stomata 15；Preferably, the first stomata 12 is located at the first air chamber 1 away from casing
7 cylinder body lateral ends；3rd stomata 14 is located at cylinder body inner opposite end of the 3rd air chamber 3 near casing 7.Second stomata 13 is located at
Cylinder body inner opposite end of second air chamber 2 near casing 7；4th stomata 15 is located at the 4th air chamber 4 away from the cylinder body outside one of casing 7
End.
The two ends of biased push rod 8 and center push rod 9 are connected with first piston 16 and second piston 17 respectively, constitute piston fortune
Dynamic component；Usual center push rod 9 is located on the first cylinder block 5, the central axis of the second cylinder block 6, but also allows center to push away
Bar 9 is offset slightly from the first cylinder block 5, the central axis of the second cylinder block 6, as long as being generally in the first cylinder block 5, the second cylinder
The axial centre of body 6 is nearby；Biased push rod 8 is located at the side of the deviation output shaft 21 of center push rod 9；
In casing 7, push rod locker 18 is all connected with push rod locker 18 with biased push rod 8 and center push rod 9；In push rod locker 18
One impeller 11 of upper installation；Impeller 11 rotates for throw crank 10, in order to coordinate with the chute 101 on crank 10, pushes away
Moving part 11 can use simple column, or more preferably, can further be reduced when being moved in chute 101 using roller
Frictional force；It should be noted that push rod locker 18 is a component-dedicated title, it is a lock body or one that it is not limited
Clip；
In casing 7, the lower end of crank 10 connects output shaft 21 to crank 10；Crank 10 is provided with a chute 101, described to push away
Moving part 11 is embedded in the chute 101；After 11 throw crank of impeller 10 is rotated, output shaft 21 can be driven to rotate；
The left and right sides of crank 10 is respectively provided with a shoulder 102, and 10 or so two, crank is rotated in place position and is respectively provided with casing 7
One bolt 19,20 for being used to be offseted with the shoulder 102；
Compressed air is accessed by the first stomata 12,13 pairs of the first air chambers 1 of the second stomata, the second air chamber 2 during use, is promoted
Piston movement component is moved to the 3rd air chamber 3, the direction of the 4th air chamber 4, and the 3rd air chamber 3, the confining gas of the 4th air chamber 4 are by the
Three stomatas 14, the 4th stomata 15 discharge air chamber, and fixed push rod locker 18 follows piston to transport in biased push rod 8, center push rod 9
Dynamic component is moved together, and 11 throw crank of impeller 10 on push rod locker 18 drives output shaft 21 to rotate；If change by
3rd stomata 14, the 4th stomata 15 accesses compressed air, and the first stomata 12, the second stomata 13 are changed and make steam vent, then piston is transported
Dynamic component is moved to the first air chamber 1, the direction of the second air chamber 2, and crank 10 drives output shaft 21 to this under the drive of impeller 11
Azimuthal rotational motion；
Embodiment two, as shown in Figure 3, Figure 4；Compared with embodiment one, the first spring 22 and the second bullet are increased in embodiment two
Spring 23, piston movement component relies on spring reset, and remaining structure is with embodiment one；
First spring 22 and second spring 23 are separately positioned in the 3rd air chamber 3, the 4th air chamber 4；One end of first spring 22 connects
First piston 16 is connect, the other end connects the inner side cylinder body of the 3rd air chamber 3；One end connection second piston 17 of second spring 23, separately
One end connects the outside cylinder body of the 4th air chamber 4；
Compressed air is accessed by the first stomata 12,13 pairs of the first air chambers 1 of the second stomata, the second air chamber 2 during use, is promoted
Piston movement component is moved to the 3rd air chamber 3, the direction of the 4th air chamber 4, and the 3rd air chamber 3, the confining gas of the 4th air chamber 4 are by the
Three stomatas 14, the 4th stomata 15 discharge air chamber, and fixed push rod locker 18 follows piston to transport in biased push rod 8, center push rod 9
Dynamic component is moved together, and 11 throw crank of impeller 10 on push rod locker 18 drives output shaft 21 to rotate；Work as emptying
During air pressure in the first air chamber 1, the second air chamber 2, first piston 16 and second piston 17 drive living whole under the promotion of spring
Pneumatic actuator returns to original position；
In addition, the first spring 22 and second spring 23 can also be separately positioned in the first air chamber 1, the second air chamber 2；First spring
22 one end connects the outside cylinder body of the first air chamber 1, other end connection first piston 16；One end connection second of second spring 23
The inner side cylinder body of air chamber 2, other end connection second piston 17；
3rd stomata 14, the 4th stomata 15 accesses compressed air, and the first stomata 12, the second stomata 13 are used to be vented, the course of work
It is similar with said process, repeat no more.
Compared to prior art, improvement of the invention is：
1）Double pusher structures are devised, current shift fork cylinder is that single pusher structure or single push rod add guide post structure, the present invention
Moving parts kinetic stability and stiffening effect it is more preferable.
2）The design replaces the design of guide post with push rod, this part is changed into the effect of major function from miscellaneous function,
Reform piston movement component, optimized the globality of structure.
3）Moving parts set fixed push rod locker, instead of the slide-and-guide block in the middle of current actuator, eliminate
The energy loss of this part.
4）The impetus for moving conversion is arranged on another push rod beyond linear motion center push rod, crank is existed
Center transmission shaft point is long to increased a core shift arm of force again beyond the core shift torque arm length of piston movement component movement center line
Degree, therefore obtain double core shifts, increase the structure of the arm of force, so that output shaft output torque is doubled.
Claims (7)
1. a kind of pneumatic actuator, it is characterised in that including：
First air chamber (1), the second air chamber (2), the 3rd air chamber (3), the 4th air chamber (4), the first cylinder block (5), the second cylinder block
(6), casing (7), biased push rod (8), center push rod (9), crank (10), impeller (11), the first stomata (12), the second stomata
(13), the 3rd stomata (14), the 4th stomata (15), first piston (16), second piston (17), push rod locker (18), output shaft
(21)；
First cylinder block (5) and the second cylinder block (6) are connected to the both sides of casing (7), constitute an outrigger structure；First
Piston (16) is arranged in the first cylinder block (5), and the first cylinder block (5) interior space is divided into the first air chamber (1) and the 3rd gas
Room (3)；Second piston (17) is arranged in the second cylinder block (6), and the second cylinder block (6) interior space is divided into the second air chamber
And the 4th air chamber (4) (2)；Wherein, the 3rd air chamber (3) and the second air chamber (2) are positioned near the inner side of casing (7), the first air chamber
And the 4th air chamber (4) is positioned at the outside away from casing (7) (1)；Set respectively on the cylinder body of the first air chamber (1) and the 3rd air chamber (3)
There are the first stomata (12) and the 3rd stomata (14)；The second stomata is respectively equipped with the cylinder body of the second air chamber (2) and the 4th air chamber (4)
And the 4th stomata (15) (13)；
The two ends of biased push rod (8) and center push rod (9) are connected with first piston (16) and second piston (17) respectively, constitute and live
Plug moving parts；Biased push rod (8) is positioned at the side of the deviation output shaft (21) of center push rod (9)；
In casing (7), push rod locker (18) is all connected with push rod locker (18) with biased push rod (8) and center push rod (9)；
One impeller (11) is installed on push rod locker (18)；
In casing (7), the lower end of crank (10) connects output shaft (21) to crank (10)；Crank (10) is provided with a chute
(101), in impeller (11) insertion chute (101)；Impeller (11) is rotated for throw crank (10), so that band
Dynamic output shaft (21) is rotated.
2. pneumatic actuator as claimed in claim 1, it is characterised in that
First stomata (12) positioned at the first air chamber (1) away from casing (7) cylinder body lateral ends；3rd stomata (14) is positioned at the 3rd
Cylinder body inner opposite end of the air chamber (3) near casing (7).
3. pneumatic actuator as claimed in claim 1, it is characterised in that
Second stomata (13) is close to the cylinder body inner opposite end of casing (7) positioned at the second air chamber (2)；4th stomata (15) is positioned at the 4th
Cylinder body lateral ends of the air chamber (4) away from casing (7).
4. pneumatic actuator as claimed in claim 1, it is characterised in that
Center push rod (9) is on the first cylinder block (5), the central axis of the second cylinder block (6) or near the first cylinder block
(5), the central axis of the second cylinder block (6).
5. pneumatic actuator as claimed in claim 1, it is characterised in that
Impeller (11) uses column or roller.
6. pneumatic actuator as claimed in claim 1, it is characterised in that
Crank (10) left and right sides is respectively provided with a shoulder (102), and crank (10) left and right two is rotated in place position on casing (7)
Put and be respectively provided with a bolt (19,20) for being offseted with the shoulder (102).
7. pneumatic actuator as claimed in claim 1, it is characterised in that
Also include the first spring (22), second spring (23)；
First spring (22) and second spring (23) are separately positioned in the 3rd air chamber (3), the 4th air chamber (4)；First spring
(22) one end connects first piston (16), and the other end connects the inner side cylinder body of the 3rd air chamber (3)；One end of second spring (23)
Connection second piston (17), the other end connects the outside cylinder body of the 4th air chamber (4)；
Or：
First spring (22) and second spring (23) are separately positioned in the first air chamber (1), the second air chamber (2)；First spring
(22) one end connects the outside cylinder body of the first air chamber (1), and the other end connects first piston (16)；One end of second spring (23)
The inner side cylinder body of the second air chamber (2) is connected, the other end connects second piston (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611248487.0A CN106704297B (en) | 2016-12-29 | 2016-12-29 | Pneumatic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611248487.0A CN106704297B (en) | 2016-12-29 | 2016-12-29 | Pneumatic actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106704297A true CN106704297A (en) | 2017-05-24 |
| CN106704297B CN106704297B (en) | 2018-07-13 |
Family
ID=58903807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611248487.0A Expired - Fee Related CN106704297B (en) | 2016-12-29 | 2016-12-29 | Pneumatic actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106704297B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779871A (en) * | 2019-02-28 | 2019-05-21 | 王湫锂 | A kind of fluid power injection device and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2178537C2 (en) * | 1999-04-19 | 2002-01-20 | Шепелев Александр Александрович | Mechanism to convert movement of piston into rotation of piston machine shaft |
| CN2646452Y (en) * | 2003-10-14 | 2004-10-06 | 天津市百孚执行器技术有限公司 | Delicate and miniature angular travel pneumatic actuator |
| CN201730887U (en) * | 2010-05-12 | 2011-02-02 | 孙小平 | Pneumatic actuator |
| CN202746734U (en) * | 2012-09-17 | 2013-02-20 | 成都迈可森流体控制设备有限公司 | Double-guidance shifting fork transmission box |
| CN203836349U (en) * | 2014-04-21 | 2014-09-17 | 杭州中科阀门有限公司 | Novel pneumatic diaphragm type angular travel actuator |
| CN203906973U (en) * | 2014-06-25 | 2014-10-29 | 无锡宝牛阀业有限公司 | Four-cylinder large torque pneumatic angular travel actuator |
| CN104565508A (en) * | 2014-12-22 | 2015-04-29 | 上海大成仪表有限责任公司 | Transverse-mounting type pneumatic piston executing mechanism of angular travel adjusting valve |
-
2016
- 2016-12-29 CN CN201611248487.0A patent/CN106704297B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2178537C2 (en) * | 1999-04-19 | 2002-01-20 | Шепелев Александр Александрович | Mechanism to convert movement of piston into rotation of piston machine shaft |
| CN2646452Y (en) * | 2003-10-14 | 2004-10-06 | 天津市百孚执行器技术有限公司 | Delicate and miniature angular travel pneumatic actuator |
| CN201730887U (en) * | 2010-05-12 | 2011-02-02 | 孙小平 | Pneumatic actuator |
| CN202746734U (en) * | 2012-09-17 | 2013-02-20 | 成都迈可森流体控制设备有限公司 | Double-guidance shifting fork transmission box |
| CN203836349U (en) * | 2014-04-21 | 2014-09-17 | 杭州中科阀门有限公司 | Novel pneumatic diaphragm type angular travel actuator |
| CN203906973U (en) * | 2014-06-25 | 2014-10-29 | 无锡宝牛阀业有限公司 | Four-cylinder large torque pneumatic angular travel actuator |
| CN104565508A (en) * | 2014-12-22 | 2015-04-29 | 上海大成仪表有限责任公司 | Transverse-mounting type pneumatic piston executing mechanism of angular travel adjusting valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779871A (en) * | 2019-02-28 | 2019-05-21 | 王湫锂 | A kind of fluid power injection device and application thereof |
| CN109779871B (en) * | 2019-02-28 | 2024-01-19 | 王湫锂 | Hydraulic injection device and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106704297B (en) | 2018-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105347246B (en) | Train is driven scissor-type lifting platform | |
| CN106704297A (en) | Pneumatic actuator | |
| EP1905983B1 (en) | Kinetic energy generation device | |
| CN206903968U (en) | Pneumatic actuator | |
| CN108757172A (en) | A kind of half gear engine of four cylinders linkage | |
| CN106514620A (en) | Seven-degree-of-freedom controllable crank connecting rod type mechanical claw | |
| MX2014000120A (en) | Desmodronic shaft and yoke assembly for translating linear to rotary motion. | |
| CN109084000A (en) | Semi-circular gear driven type linear reciprocating motion and circular motion converter | |
| CN201635836U (en) | Rotating body type engine for long-handled piston | |
| CN207568703U (en) | For the power take-off mechanism of engine | |
| CN207349558U (en) | Double shift fork single-action pneumatic executors | |
| CN207178846U (en) | Double shift fork double acting pneumatic actuators | |
| CN107101530B (en) | A kind of gear type air gun on-hook structure | |
| CN207486030U (en) | A kind of shift cylinder | |
| CN204921898U (en) | Poor reduction gear of few tooth of axial lever drive | |
| CN206555028U (en) | A kind of Stirling engine rack gear | |
| CN219889536U (en) | Condenser for boiler | |
| CN206860802U (en) | Torsion amplifying device | |
| CN201212383Y (en) | Balance type hydraulic pumping unit | |
| CN105398580B (en) | Aircraft ejection kit | |
| CN204738925U (en) | Groups of stars' symmetry oil free compressor | |
| CN203822387U (en) | Screw-type piston motor or engine | |
| CN210830693U (en) | Cross cylinder | |
| CN102536781A (en) | Wobble plate type compressor | |
| CN103590900B (en) | Strong load rack-and-pinion engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| 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: 20180713 Termination date: 20181229 |