CN216192995U - Cotton spinning production is with creel lifting means convenient to adjust - Google Patents
Cotton spinning production is with creel lifting means convenient to adjust Download PDFInfo
- Publication number
- CN216192995U CN216192995U CN202122600556.2U CN202122600556U CN216192995U CN 216192995 U CN216192995 U CN 216192995U CN 202122600556 U CN202122600556 U CN 202122600556U CN 216192995 U CN216192995 U CN 216192995U
- Authority
- CN
- China
- Prior art keywords
- plate
- rod
- fixedly connected
- sliding
- lifting
- 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.)
- Expired - Fee Related
Links
- 229920000742 Cotton Polymers 0.000 title claims abstract description 25
- 238000009987 spinning Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 230000001360 synchronised effect Effects 0.000 claims abstract description 10
- 230000000007 visual effect Effects 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract 2
- 230000033001 locomotion Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The utility model relates to the technical field of cotton spinning, and discloses a conveniently-adjusted creel lifting tool for cotton spinning production, which comprises a base, wherein a sliding groove is formed in the upper side of the base, a sliding plate is connected to the inside of the sliding groove in a sliding manner, a hydraulic telescopic rod is fixedly connected to the right side of the sliding plate, the right end of the hydraulic telescopic rod is fixedly connected to the inside of the sliding groove, a lower rod is fixedly connected to the upper side of the sliding plate, a lower connecting plate is rotatably connected to the surface of the lower rod, and an upper rod is rotatably connected to the upper side of the lower connecting plate. This roving frame lifting means of cotton spinning production with being convenient for adjust when the inside of inside groove rises through movable plate extrusion accessory plate, has ensured the synchronous adjustment that possesses parallel space behind the roving frame altitude mixture control, has avoided because the restriction in space does not possess the regulation of efficient parallel position point behind the roving frame altitude mixture control, has ensured the high efficiency that the roving frame used, the convenience of visual field regulation and control when having ensured the roving frame and using.
Description
Technical Field
The utility model relates to the technical field of cotton spinning, in particular to a conveniently-adjusted creel lifting tool for cotton spinning production.
Background
The patent publication by contrast: 202022040715.3, discloses a roving frame lifting tool for cotton spinning production, which is convenient to adjust, the user operates the second cylinder by using an operation panel, the second cylinder drives the second piston rod to carry out lifting adjustment, so that the beam rotates with the supporting frame by the second piston rod and the damping rotating shaft, and then the motor operates by using the operation panel, the motor drives the steel wire rope to rotate, so as to adjust the height of the clamp, but the scheme has the following problems in the use process, although the scheme can adjust the height of the clamp, for the roving frame in the use process, because the indoor space of the roving frame has the limitation of movement, when the roving frame is adjusted in height, because the height of the roving frame rises, the vertical visual angle between the roving frame and the ground becomes narrower, and then the roving frame can not ensure when the height-adjusting uses and carry out synchronous control to roving frame field of vision scope, and then leads to the roving frame to appear the limitation in the field of vision in using, and then can lead to the roving frame to use the efficiency of work can slow down scheduling problem.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides the adjustable creel lifting tool for cotton spinning production, which has the advantages of ensuring the high efficiency of the use of the creel, ensuring the convenience of visual field regulation and control when the creel is used and the like, and solves the problem that the working efficiency of the creel is slowed down due to the limitation of the visual field in the use of the creel.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a roving frame lifting means of production with being convenient for adjust of cotton spinning, the on-line screen storage device comprises a base, the spout has been seted up to the upside of base, the inside sliding connection of spout has the slide, the right side fixedly connected with hydraulic telescoping rod of slide, hydraulic telescoping rod's right-hand member fixed connection is in the inside of spout, the upside fixedly connected with lower beam of slide, the surface rotation of lower beam is connected with lower connecting plate, the upside rotation of lower connecting plate is connected with the upper boom, the upside fixedly connected with backup pad of base, the lift groove has been seted up to the upside of backup pad, the inside sliding connection in lift groove has the lifter plate, the right side of lifter plate is connected with the fixed surface of upper boom, the inside of lifter plate is provided with synchronous regulation device, the right side fixedly connected with planking of lifter plate, the inside sliding connection of planking has the inner panel, the downside of inner panel is provided with the roving frame.
Preferably, the right side of the lifting plate is provided with an inner groove, the inner groove is connected with a moving plate in a sliding manner, and the left side above the moving plate is inclined.
Preferably, the left side of the moving plate is fixedly connected with an elastic spring, and the left end of the elastic spring is fixedly connected inside the inner groove.
Preferably, an auxiliary plate is slidably connected to the inside of the inner tank, the right side below the auxiliary plate is also inclined, and the auxiliary plate is located above the moving plate.
Preferably, the synchronous adjusting device comprises a limiting plate, the rear side of the limiting plate is fixedly connected to the front side of the auxiliary plate, a limiting rod is slidably connected to the inside of the limiting plate, the upper end and the lower end of the limiting rod are fixedly connected to the inside of the inner groove respectively, a reset spring is sleeved on the surface of the limiting rod in a sliding mode, and the upper end and the lower end of the reset spring are fixedly connected to the inside of the inner groove and the upper side of the limiting plate respectively.
Preferably, the upper side of the auxiliary plate is fixedly connected with an adjusting lower rod, the surface of the adjusting lower rod is rotatably connected with an upper connecting plate, the upper side of the upper connecting plate is rotatably connected with an adjusting upper rod, and the surface of the adjusting upper rod is fixedly connected to the lower side of the inner plate.
(III) advantageous effects
Compared with the prior art, the utility model provides a conveniently-adjusted creel lifting tool for cotton spinning production, which has the following beneficial effects:
1. the adjustable creel lifting tool for cotton spinning production has the advantages that when the auxiliary plate is extruded by the movable plate to ascend in the inner groove, the lower adjusting rod on the auxiliary plate can drive the angle between the upper connecting plate and the auxiliary plate to be smaller, further, because the distance between the upper connecting plate and the upper adjusting rod is fixed, the upper connecting plate drives the inner plate to slide rightwards in the outer plate through the rotating effect of the upper adjusting rod, further, the creel can slide leftwards and rightwards while the roving frame is adjusted in ascending and descending, further, the use range of the roving frame for placing cotton yarns can be effectively adjusted, the problem that the traditional roving frame cannot adapt to space quickly after being adjusted in height is avoided, the flexible adjustment of the height and the parallel position of the roving frame in use is improved, and the synchronous adjustment of the parallel space after the height of the roving frame is adjusted is guaranteed, the regulation that the creel height-adjusting back does not possess the efficient parallel position point because the restriction in space has been avoided, has ensured the high efficiency that the creel used, the convenience of visual field regulation and control when having ensured the creel and using.
2. This roving frame lifting means of cotton spinning production with being convenient for adjust, when utilizing the slide to drive down the connecting plate and move left, the left side of lower connecting plate can be close to the right side of lifter plate gradually, and then the left side of lower connecting plate can extrude the right side of movable plate and move left in the inside of inside groove, and under the slope form on through the movable plate and the slope form on the accessory plate mutual contact extrusion, make the inside accessory plate of lifter plate carry out convenient rising, the slope form between such mode has ensured through movable plate and accessory plate that the lower connecting plate drives the unobstructed nature of motion between movable plate and the accessory plate when the motion, and then ensured the flexibility that the motion of lower connecting plate drove movable plate and accessory plate motion.
3. This roving frame lifting means of cotton spinning production with being convenient for adjust, it rises in the inside of lift groove to drive the lifter plate through lower connecting plate, and then the lifter plate moves planking and inner panel and rises, and then the lifter plate moves the roving frame and carries out the lift of position, such mode drives the lifter plate through the promotion of slide with lower connecting plate and carries out the lift adjustment of height, it adjusts through a simple and easy elevation structure when going up and down to have avoided most lifter plates of tradition, and then utilize the support of lower connecting plate to ensure that the lifter plate possesses a good strong point when the inside of backup pad rises, the stability when the lifter plate goes up and down has been ensured.
Drawings
FIG. 1 is a schematic view of an adjustable creel lifting tool for cotton spinning production according to the present invention;
FIG. 2 is a schematic plan view of the movable plate of the present invention;
FIG. 3 is a schematic view of a plane structure of the lifter plate of the present invention;
FIG. 4 is a schematic plan view of the upper connection plate according to the present invention;
FIG. 5 is a schematic view of the structure of the auxiliary plate of the present invention.
In the figure: the automatic control device comprises a base 1, a sliding groove 2, a sliding plate 3, a hydraulic telescopic rod 4, a lower rod 5, a lower connecting plate 6, an upper rod 7, a supporting plate 8, a lifting groove 9, a lifting plate 10, an outer plate 11, an inner plate 12, a creel 13, an inner groove 14, a movable plate 15, an elastic spring 16, an auxiliary plate 17, a limiting plate 18, a limiting rod 19, a return spring 20, an adjusting lower rod 21, an upper connecting plate 22 and an adjusting upper rod 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a new technical solution: the utility model provides a roving frame lifting means of cotton spinning production with being convenient for adjust, including base 1, spout 2 has been seted up to base 1's upside, the inside sliding connection of spout 2 has slide 3, slide 3's right side fixedly connected with hydraulic telescoping rod 4, hydraulic telescoping rod 4's right-hand member fixed connection is in the inside of spout 2, hydraulic telescoping rod 4 is current structure, do not do too much repeated here, through the control that utilizes external power source, and then make hydraulic telescoping rod 4 drive slide 3 and carry out the function work of sliding in the inside of spout 2.
Referring to fig. 1, a lower rod 5 is fixedly connected to the upper side of a sliding plate 3, a lower connecting plate 6 is rotatably connected to the surface of the lower rod 5, an upper rod 7 is rotatably connected to the upper side of the lower connecting plate 6, a supporting plate 8 is fixedly connected to the upper side of a base 1, a lifting groove 9 is formed in the upper side of the supporting plate 8, a lifting plate 10 is slidably connected to the inside of the lifting groove 9, the right side of the lifting plate 10 is fixedly connected to the surface of the upper rod 7, an outer plate 11 is fixedly connected to the right side of the lifting plate 10, an inner plate 12 is slidably connected to the inside of the outer plate 11, a roving frame 13 is arranged on the lower side of the inner plate 12, the sliding plate 3 moves leftwards inside the sliding groove 2, and the lower connecting plate 6 rotates with the lower rod 5 on the sliding plate 3 and the upper rod 7 on the lifting plate 10, when the sliding plate 3 moves leftwards, the angle between the lower connecting plate 6 and the sliding plate 3 gradually increases, and the lower connecting plate 6 drives the lifting plate 10 to ascend in the lifting groove 9, and then lifter plate 10 drives planking 11 and inner panel 12 and rises, and then lifter plate 10 drives creel 13 and carries out the lift of position, such mode drives lifter plate 10 through slide 3 and the promotion of lower connecting plate 6 down and carries out the lift adjustment of height, avoided most lifter plates 10 of tradition to adjust through a simple and easy elevation structure when going up and down, and then utilize the support of lower connecting plate 6 to ensure that lifter plate 10 possesses a good strong point when the inside of backup pad 8 rises, ensured the stability when lifter plate 10 goes up and down.
Referring to fig. 2-5, an inner groove 14 is formed on the right side of the lifting plate 10, a moving plate 15 is slidably connected inside the inner groove 14, the left side above the moving plate 15 is inclined, an elastic spring 16 is fixedly connected to the left side of the moving plate 15, the left end of the elastic spring 16 is fixedly connected inside the inner groove 14, an auxiliary plate 17 is slidably connected inside the inner groove 14, the right side below the auxiliary plate 17 is also inclined, the auxiliary plate 17 is located above the moving plate 15, when the lower connecting plate 6 is driven by the sliding plate 3 to move leftward, the left side of the lower connecting plate 6 gradually approaches the right side of the lifting plate 10, the left side of the lower connecting plate 6 presses the right side of the moving plate 15 to move leftward inside the inner groove 14, and the auxiliary plate 17 inside the lifting plate 10 is pressed by the inclination on the moving plate 15 and the inclination on the auxiliary plate 17 contacting each other, in such a way, the smoothness of the movement of the lower connecting plate 6 between the movable plate 15 and the auxiliary plate 17 is ensured by the inclination between the movable plate 15 and the auxiliary plate 17, and the flexibility of the movement of the lower connecting plate 6 to drive the movable plate 15 and the auxiliary plate 17 to move is further ensured.
Referring to fig. 1-5, a synchronous adjusting device is disposed on the front side of the auxiliary plate 17, the synchronous adjusting device includes a limiting plate 18, the rear side of the limiting plate 18 is fixedly connected to the front side of the auxiliary plate 17, a limiting rod 19 is slidably connected to the inside of the limiting plate 18, the upper and lower ends of the limiting rod 19 are respectively fixedly connected to the inside of the internal groove 14, a return spring 20 is slidably sleeved on the surface of the limiting rod 19, the upper and lower ends of the return spring 20 are respectively fixedly connected to the inside of the internal groove 14 and the upper side of the limiting plate 18, an adjusting lower rod 21 is fixedly connected to the upper side of the auxiliary plate 17, an upper connecting plate 22 is rotatably connected to the surface of the adjusting lower rod 21, an adjusting upper rod 23 is rotatably connected to the upper side of the upper connecting plate 22, the surface of the adjusting upper rod 23 is fixedly connected to the lower side of the internal plate 12, the auxiliary plate 17 is pressed by the movement of the lower connecting plate 6, and the auxiliary plate 17 is moved by the limiting sliding action of the limiting plate 18 and the limiting rod 19, the instability of the auxiliary plate 17 in the inner groove 14 is avoided, when the movable plate 15 extrudes the auxiliary plate 17 to rise in the inner groove 14, the adjusting lower rod 21 on the auxiliary plate 17 drives the angle between the upper connecting plate 22 and the auxiliary plate 17 to be reduced, further, because the distance between the upper connecting plate 22 and the adjusting upper rod 23 is fixed, the upper connecting plate 22 drives the inner plate 12 to slide rightwards in the outer plate 11 through the rotating effect of the adjusting upper rod 23, further, the roving frame 13 can slide leftwards and rightwards while the roving frame 13 is adjusted in a lifting way, further, the roving frame 13 for placing cotton yarns can effectively adjust the use range in the space, the problem that the traditional roving frame 13 cannot adapt to the space quickly after adjusting the height is avoided, the problem that the roving frame 13 can flexibly adjust the height and the parallel position in use is improved, and the synchronous adjustment of the parallel space after the height adjustment of the roving frame 13 is ensured, the regulation that the height of the creel 13 is not high-efficiency parallel position points due to the limitation of space after being regulated is avoided, the high efficiency of the creel 13 in use is guaranteed, and the convenience of visual field regulation and control when the creel 13 is used is guaranteed.
The working principle is as follows: a conveniently adjusted roving frame lifting tool for cotton spinning production is characterized in that a hydraulic telescopic rod 4 drives a sliding plate 3 to perform sliding function work in a sliding groove 2 under the control of an external power supply, the sliding plate 3 moves leftwards in the sliding groove 2, a lower connecting plate 6, a lower rod 5 on the sliding plate 3 and an upper rod 7 on a lifting plate 10 rotate, when the sliding plate 3 moves leftwards, an angle between the lower connecting plate 6 and the sliding plate 3 is gradually increased, the lower connecting plate 6 drives the lifting plate 10 to ascend in a lifting groove 9, the lifting plate 10 drives an outer plate 11 and an inner plate 12 to ascend, the lifting plate 10 drives a roving frame 13 to ascend and descend in position, when the lower connecting plate 6 is driven by the sliding plate 3 to move leftwards, the left side of the lower connecting plate 6 is gradually close to the right side of the lifting plate 10, the left side of the lower connecting plate 6 extrudes the right side of a movable plate 15 to move leftwards in an inner groove 14, the auxiliary plate 17 in the lifting plate 10 can be conveniently lifted, when the movable plate 15 and the auxiliary plate 17 are pressed by the movement of the lower connecting plate 6 and the movable plate 17 is lifted in the inner groove 14, the lower adjusting rod 21 on the auxiliary plate 17 drives the angle between the upper connecting plate 22 and the auxiliary plate 17 to be reduced, and further, because the distance between the upper connecting plate 22 and the upper adjusting rod 23 is constant, the upper connecting plate 22 drives the inner plate 12 to slide rightwards in the outer plate 11 through the rotating effect of the upper adjusting rod 23, so that the roving frame 13 can slide in the left and right positions while lifting adjustment is carried out on the roving frame 13.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a cotton spinning production is with creel lifting means convenient to adjust, includes base (1), its characterized in that: the upper side of the base (1) is provided with a sliding chute (2), the inside of the sliding chute (2) is connected with a sliding plate (3) in a sliding manner, the right side of the sliding plate (3) is fixedly connected with a hydraulic telescopic rod (4), the right end of the hydraulic telescopic rod (4) is fixedly connected inside the sliding chute (2), the upper side of the sliding plate (3) is fixedly connected with a lower rod (5), the surface of the lower rod (5) is rotatably connected with a lower connecting plate (6), the upper side of the lower connecting plate (6) is rotatably connected with an upper rod (7), the upper side of the base (1) is fixedly connected with a supporting plate (8), the upper side of the supporting plate (8) is provided with a lifting groove (9), the inside of the lifting groove (9) is connected with a lifting plate (10) in a sliding manner, the right side of the lifting plate (10) is fixedly connected with the surface of the upper rod (7), the inside of the lifting plate (10) is provided with a synchronous adjusting device, the right side of the lifting plate (10) is fixedly connected with an outer plate (11), an inner plate (12) is connected to the inside of the outer plate (11) in a sliding manner, and a creel (13) is arranged on the lower side of the inner plate (12).
2. The adjustable creel lifting tool for cotton spinning production of claim 1, wherein: an inner groove (14) is formed in the right side of the lifting plate (10), a moving plate (15) is connected to the inner portion of the inner groove (14) in a sliding mode, and the left side above the moving plate (15) is inclined.
3. The adjustable creel lifting tool for cotton spinning production of claim 2, wherein: an elastic spring (16) is fixedly connected to the left side of the moving plate (15), and the left end of the elastic spring (16) is fixedly connected to the inside of the inner groove (14).
4. The adjustable creel lifting tool for cotton spinning production of claim 3, wherein: an auxiliary plate (17) is connected to the inside of the inner groove (14) in a sliding manner, the right side below the auxiliary plate (17) is also inclined, and the auxiliary plate (17) is positioned above the moving plate (15).
5. The adjustable creel lifting tool for cotton spinning production as claimed in claim 4, wherein: the synchronous adjusting device comprises a limiting plate (18), the rear side of the limiting plate (18) is fixedly connected to the front side of an auxiliary plate (17), a limiting rod (19) is connected to the inside of the limiting plate (18) in a sliding mode, the upper end and the lower end of the limiting rod (19) are fixedly connected to the inside of an inner groove (14) respectively, a reset spring (20) is sleeved on the surface of the limiting rod (19) in a sliding mode, and the upper end and the lower end of the reset spring (20) are fixedly connected to the inside of the inner groove (14) and the upper side of the limiting plate (18) respectively.
6. The adjustable creel lifting tool for cotton spinning production of claim 5, wherein: the upper side of the auxiliary plate (17) is fixedly connected with an adjusting lower rod (21), the surface of the adjusting lower rod (21) is rotatably connected with an upper connecting plate (22), the upper side of the upper connecting plate (22) is rotatably connected with an adjusting upper rod (23), and the surface of the adjusting upper rod (23) is fixedly connected to the lower side of the inner plate (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122600556.2U CN216192995U (en) | 2021-10-27 | 2021-10-27 | Cotton spinning production is with creel lifting means convenient to adjust |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122600556.2U CN216192995U (en) | 2021-10-27 | 2021-10-27 | Cotton spinning production is with creel lifting means convenient to adjust |
Publications (1)
Publication Number | Publication Date |
---|---|
CN216192995U true CN216192995U (en) | 2022-04-05 |
Family
ID=80891426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122600556.2U Expired - Fee Related CN216192995U (en) | 2021-10-27 | 2021-10-27 | Cotton spinning production is with creel lifting means convenient to adjust |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN216192995U (en) |
-
2021
- 2021-10-27 CN CN202122600556.2U patent/CN216192995U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN209604989U (en) | A kind of building engineering construction scene lighting device | |
CN205424305U (en) | Lifter | |
CN209994323U (en) | Solar power generation device with high wind resistance | |
CN216192995U (en) | Cotton spinning production is with creel lifting means convenient to adjust | |
CN208956469U (en) | A kind of picking fruit robot arm | |
CN210891236U (en) | Novel crane lighting device | |
CN210161052U (en) | Automatic double-shaft mounting platform of wind power base | |
CN212408162U (en) | Supporting base with fine adjustment mechanism for industrial robot | |
CN216179082U (en) | Auxiliary device for processing light guide plate | |
CN211352111U (en) | Adjustable solar photovoltaic panel | |
CN212754731U (en) | Convenient lifting workbench | |
CN212383612U (en) | Stirring device for anti-rust paint of tapping box | |
CN210477792U (en) | Automatic leveling device for insulation board production line | |
CN208557495U (en) | Electric machine controller adjustment type assembly tooling | |
CN212893610U (en) | Material loading machine for construction | |
CN212197311U (en) | Height-adjustable conveying mechanism | |
CN217866824U (en) | Steel material clamping mechanism for electroslag furnace | |
CN221117756U (en) | Negative pressure suction roll device suitable for carding machine | |
CN219194374U (en) | Lifting platform with multifunctional expansion platform | |
CN218812495U (en) | A acupuncture device for filter material processing | |
CN221701734U (en) | Sheet metal shell bracket of precise textile machine | |
CN218340865U (en) | Tank body forming machine suitable for multiple tank body heights | |
CN214570381U (en) | Bridge beam slab handling frame | |
CN219405497U (en) | Automatic threading machine for preventing beans from being entangled | |
CN213898051U (en) | Supporting profile steel structure for building |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220405 |