CN213234166U - Door and window installation appurtenance - Google Patents
Door and window installation appurtenance Download PDFInfo
- Publication number
- CN213234166U CN213234166U CN202021828590.4U CN202021828590U CN213234166U CN 213234166 U CN213234166 U CN 213234166U CN 202021828590 U CN202021828590 U CN 202021828590U CN 213234166 U CN213234166 U CN 213234166U
- Authority
- CN
- China
- Prior art keywords
- door
- cylinder
- slide
- fixedly connected
- connecting rod
- 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
- 238000009434 installation Methods 0.000 title claims abstract description 42
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 241000252254 Catostomidae Species 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Images
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The application relates to a door and window installation appurtenance, and it includes the box, and box top fixedly connected with vertical top cylinder, box lateral wall fixedly connected with horizontally side cylinder, the vertical end cylinder of bottom fixedly connected with of bottom half, end cylinder are connected with lifting unit. This application has when installation door and window position is higher, also can transport the effect of the position of installation door and window with door and window through end cylinder and base.
Description
Technical Field
The application relates to the technical field of decorative tool auxiliary tools, in particular to a door and window installation auxiliary tool.
Background
The installation of the door and window is an indispensable step in decoration, and the installation of the common door and window is usually realized by that a worker lifts the door and window to a position where the door and window is required to be installed and then measures the distance so as to avoid the deviation of the installation position.
The existing Chinese patent with reference to publication number CN210217042U discloses a door and window installation auxiliary tool, which comprises a box body, wherein a support is arranged above the box body in a sliding mode, the top end of the support is connected with a top plate through a first cylinder, the two sides of the support are both fixed with second cylinders in the horizontal direction, the end parts of the second cylinders are fixed with side plates in the vertical direction, a bottom plate is arranged on the support, and a plurality of fixing support legs facing outwards are fixed on the top plate, the side plates and the bottom plate. During the use, with the instrument switch-on air supply, the piston rod of first cylinder and second cylinder withdraws, then covers the door and window frame outside the support, and the curb plate transversely extends to make fixing above that, restarts first cylinder, and first cylinder drives the roof and rises, jack-up door and window top frame, makes its rigidity to install the door and window.
In view of the above-mentioned related technologies, the inventor believes that there is a defect that when some doors and windows are high in position, a plurality of workers are required to lift the whole device to a horizontal position where the bottom of the door and window needs to be installed, and then the door and window is installed.
SUMMERY OF THE UTILITY MODEL
In order to solve door and window position when higher, need a plurality of staff with this device whole lift the problem of the horizontal position department of need installation door and window bottom, this application provides a door and window installation appurtenance.
The application provides a door and window installation appurtenance adopts following technical scheme:
the utility model provides a door and window installation appurtenance, includes the box, the vertical top cylinder of box top fixedly connected with, box lateral wall fixedly connected with horizontally side cylinder, the vertical end cylinder of box bottom fixedly connected with, end cylinder is connected with lifting unit.
By adopting the technical scheme, when a worker installs a door window, the top cylinder and the side cylinder are started, the piston rods of the top cylinder and the side cylinder extend out, the piston rods are abutted against the door window frame, the door window frame is fixed on the box body by the top cylinder and the side cylinder, then the bottom cylinder is started, the height of the door window frame to be installed with the door window is adjusted by the stretching of the piston rod of the bottom cylinder, if the position to be installed with the door window is higher, the height of the lifting assembly can be controlled, and the door window frame can be arranged on the position to be installed with the door window.
Preferably, one end of the piston rod of the top cylinder and one end of the piston rod of the side cylinder are both fixedly connected with a sucker.
By adopting the technical scheme, when a worker installs a door window, the piston rod of the top cylinder and the piston rod of the side cylinder extend out, the piston rod of the top cylinder is abutted against the top wall of the door window frame, the piston rod of the side cylinder is abutted against the side wall of the door window frame, and the suckers respectively adsorb the top wall and the side wall of the door window frame, so that the door window frame is fixed by the top cylinder and the side cylinder, the door window frame is fixed on the box body, and the arrangement of the suckers can not only fix the door window frame with easy installation auxiliary tools, but also prevent the door window frame from being scratched.
Preferably, lifting unit includes pedestal, two-way lead screw, link assembly and articulated piece, and two-way lead screw and pedestal rotate to be connected, and link assembly is two sets of, sets up about pedestal length direction's centrosymmetry, and articulated piece is two, and two sets of link assembly are connected rather than the articulated piece that corresponds respectively, two articulated pieces and two-way lead screw threaded connection.
Through adopting above-mentioned technical scheme, when the door and window position of installation is higher, the staff rotates two-way lead screw, two-way lead screw rotates and drives two articulated pieces and be close to each other, two articulated pieces drive two sets of link assembly and be close to each other, and become the standing up form gradually, end cylinder and the box on the link assembly all remove to keeping away from the ground direction, the door and window frame of connecting on the box removes to keeping away from the ground direction, lifting unit's setting, when making the too high door and window of installation, can adjust the height that installation appurtenance transported the door and window frame through adjusting lifting unit.
Preferably, the connecting rod assembly comprises an upper connecting rod and a lower connecting rod, one end of the upper connecting rod is connected with the bottom cylinder, one end of the lower connecting rod is connected with the top surface of the seat body, and the other end of the upper connecting rod and the other end of the lower connecting rod are hinged to the hinge block.
Through adopting above-mentioned technical scheme, when the door and window position of installation is higher, the staff rotates two-way lead screw to it is close to each other to drive two articulated pieces, because last connecting rod and lower connecting rod are articulated with articulated piece, thereby make the connecting rod establish the form gradually, go up the connecting rod and drive end cylinder and remove to keeping away from the ground direction, end cylinder drives the box and moves to keeping away from the ground direction, thereby the door and window frame moves to the height that needs installation door and window to keeping away from the ground direction.
Preferably, the bottom of the box body is connected with a vertical fixed sliding rod, and a base is arranged between the fixed sliding rod and the upper connecting rod.
By adopting the technical scheme, the fixed sliding rod and the bottom air cylinder simultaneously support the box body and the door and window frame connected on the box body, so that the bottom air cylinder drives the box body and the door and window frame to move, and when the lifting assembly drives the box body and the door and window frame to move, the door and window frame can be stably fixed on the box body, the stress of the bottom air cylinder is reduced, and the service life of the bottom air cylinder is prolonged.
Preferably, the fixed slide bar comprises an inner slide bar and a slide cylinder, a horizontal limiting hole is formed in the inner slide bar, a horizontally arranged spring is fixedly connected in the limiting hole, one end of the spring is fixedly connected with a slide ball, the slide cylinder sleeve is arranged on the outer side of the inner slide bar, the inner wall of the slide cylinder is abutted against the side wall of the inner slide bar, a horizontal slide hole is formed in the side wall of the slide cylinder, the slide hole penetrates through the side wall of the slide cylinder, and the slide ball and the slide hole are matched for use.
Through adopting above-mentioned technical scheme, when the staff started the end cylinder, the piston rod of end cylinder promoted the box and removed to the direction of keeping away from ground, the box drove interior slide bar and removed to the direction of keeping away from ground, the ball that slides extrusion spring, it is inboard to slide into the slide cartridge, the piston rod of end cylinder continues the motion, drive the box motion, the box drives interior slide bar motion, the ball that slides in another slide hole, the piston rod of end cylinder stops the motion, the ball card is gone into rather than in the slide hole that corresponds, the position of slide bar and slide cartridge is fixed, the height of interior slide bar is fixed, the slide bar, slide cartridge and end cylinder support the door and window frame on box and the box.
Preferably, the base is fixedly connected with a motor, a driving shaft of the motor is fixedly connected with a disc, and the top surface of the disc is fixedly connected with the sliding cylinder and the bottom air cylinder.
Through adopting above-mentioned technical scheme, when there is not the position that can supply the installation appurtenance to place under the position of door and window needs to be installed, staff's starter motor, the rotation of motor drive axle drives the disc and rotates, the disc rotates and drives end cylinder, slide cylinder and interior slide bar rotate, end cylinder and interior slide bar rotate and drive the box and be located the door and window frame rotation on the box, after the door and window frame rotates suitable position, staff installs door and window, the setting of motor, make the door and window frame of connecting on box and the box can rotate to arbitrary angle, satisfy the door and window installation of different positions and angle.
Preferably, the bottom surface of the seat body is rotatably connected with a roller.
Through adopting above-mentioned technical scheme, when door and window needs to be installed or when door and window installation finishes, the staff promotes installation appurtenance, and the gyro wheel that lifting unit bottom surface is connected rotates, and door and window installation appurtenance's removal is simple convenient.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the bottom cylinder and the lifting assembly are arranged, so that when the door and window is installed at a higher position, the door and window can be transported to the position for installing the door and window through the bottom cylinder and the base;
2. the arrangement of the piston rod for fixing the sliding rod and the bottom cylinder can ensure that the box body drives the door and window frame to stably move, the stress of the bottom cylinder is reduced, and the service life of the bottom cylinder is prolonged;
3. the setting of motor for the door and window frame of connecting on box and the box can rotate to arbitrary angle, satisfies the door and window installation of different positions and angle.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a schematic view aimed at showing the connection of the fixed slide;
fig. 3 is a schematic view intended to show the structure of the motor, the disc and the groove.
Reference numerals: 1. a box body; 11. a top cylinder; 12. a side cylinder; 2. a bottom cylinder; 3. a disc 4, a fixed slide bar; 41. an inner slide bar; 411. a limiting hole; 412. a spring; 413. a sliding ball; 42. a slide cylinder; 421. a slide hole; 5. a base; 51. a groove; 6. a motor; 7. a lifting assembly; 71. a base body; 711. a roller; 72. a bidirectional lead screw; 721. a rocker; 73. a connecting rod assembly; 731. an upper connecting rod; 7311. an upper hinge bracket; 732. a lower connecting rod; 7321. a lower hinge frame; 74. a hinged block; 8. and (4) sucking discs.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses door and window installation appurtenance.
Referring to fig. 1, the auxiliary tool for door and window installation comprises a box body 1, a bottom air cylinder 2 and a lifting assembly 7, wherein a vertical top air cylinder 11 and a horizontal side air cylinder 12 are connected to the box body 1, a piston rod of the bottom air cylinder 2 is fixedly connected with the bottom of the box body 1, and the bottom air cylinder 2 is connected with the lifting assembly 7.
When a worker installs a door window, the top cylinder 11 and the side cylinder 12 are started, the piston rods of the top cylinder 11 and the side cylinder 12 are abutted to a door window frame, then the bottom cylinder 2 is started, the height of the door window frame to be installed with the door window is adjusted through the extension and retraction of the piston rod of the bottom cylinder 2, and if the position of the door window to be installed is high, the door window frame can be placed on the position of the door window to be installed through controlling the lifting assembly 7.
Referring to fig. 1, one end of a piston rod of the top cylinder 11 and one end of a piston rod of the side cylinder 12 are both fixedly connected with a suction cup 8.
When the piston rod of the top cylinder 11 and the piston rod of the side cylinder 12 extend out, the piston rod of the top cylinder 11 is abutted against the top wall of the door and window frame, one end of the piston rod of the two side cylinders 12 is respectively abutted against the side wall of the door and window frame, and the piston rod of the top cylinder 11 and the suction cup 8 on the piston rod of the bottom cylinder 2 suck the door and window frame, so that the door and window frame is stably adsorbed on the door and window installation auxiliary tool.
Referring to fig. 1 and 2, the bottom of the box body 1 is connected with two vertical fixed sliding rods 4, the two fixed sliding rods 4 and a piston rod of the bottom cylinder 2 form a triangular support structure, each fixed sliding rod 4 comprises an inner sliding rod 41 and a sliding barrel 42, each inner sliding rod 41 is cylindrical, a horizontal limiting hole 411 is formed in each inner sliding rod 41, the length of each limiting hole 411 is smaller than the diameter of each inner sliding rod 41, a horizontally arranged spring 412 is fixedly connected in each limiting hole 411, one end of each spring 412 is connected with a sliding ball 413, the diameter of each sliding ball 413 is equal to that of each limiting hole 411, each sliding barrel 42 is sleeved on each inner sliding rod 41, the inner diameter of each sliding barrel 42 is equal to that of each inner sliding rod 41, a horizontal sliding hole 421 is formed in the side wall of each sliding barrel 42, a plurality of sliding holes 421 are arranged at equal intervals, each sliding hole 421 penetrates through the side wall of each sliding barrel 42, the diameter of each sliding hole 421 is smaller than that of each sliding ball 413, and part of each sliding ball 413 and.
When a worker starts the bottom air cylinder 2, the piston rod of the bottom air cylinder 2 pushes the box body 1 to move towards the direction far away from the ground, the box body 1 drives the inner slide rod 41 to move towards the direction far away from the ground, the slide ball 413 extrudes the spring 412 and slides into the inner side of the slide cylinder 42, the piston rod of the bottom air cylinder 2 continues to move to drive the box body 1 to move, the box body 1 drives the inner slide rod 41 to move, the slide ball 413 slides into the other slide hole 421, the piston rod of the bottom air cylinder 2 stops moving, the slide ball 413 is clamped into the corresponding slide hole 421, the positions of the inner slide rod 41 and the slide cylinder 42 are fixed, and the slide cylinder 42, the inner slide rod 41 and the bottom air cylinder 2 support the box body 1 and a door and window frame.
Referring to fig. 3, the bottom end of the sliding cylinder 42 and the bottom cylinder 2 are connected with a base 5, the base 5 is a cuboid, the base 5 is a cavity, a circular groove 51 is formed in the center of the top surface of the base 5, a disc 3 matched with the groove 51 is arranged in the groove 51, the disc 3 is rotatably connected with the base 5, a motor 6 is fixedly connected to the center of the bottom surface of the base 5, and a driving shaft of the motor 6 penetrates through the center of the groove 51 and is fixedly connected with the center of the bottom surface of the disc 3.
The staff starts the motor 6, the rotation of the motor 6 drive shaft drives the disc 3 to rotate, the disc 3 rotates and drives the bottom cylinder 2 and the sliding barrel 42 to rotate, the sliding barrel 42 drives the inner sliding rod 41 to rotate, the bottom cylinder 2 and the inner sliding rod 41 drive the box body 1 and the door and window frame positioned on the box body 1 to rotate, and the door and window frame can rotate to the angle suitable for installing the door and window.
Referring to fig. 1, the lifting assembly 7 includes a base 71, two-way screws 72, two connecting rod assemblies 73 and two hinge blocks 74, the cross section of the base 71 is rectangular, the two-way screws 72 are two, one end of each of the two-way screws 72 is fixedly connected with a hand lever 721, the two-way screws 72 are symmetrically arranged about the center of the base 71, two sets of connecting rod assemblies 73 are arranged on each of the two-way screws 72, the hinge blocks 74 are rectangular, each set of connecting rod assemblies 73 is respectively connected with the corresponding hinge block 74, each connecting rod assembly 73 includes an upper connecting rod 731 and a lower connecting rod 732, one end of the upper connecting rod 731 is connected with an upper hinge frame 7311 and is hinged with the upper hinge frame 7311, the upper hinge frame 7311 is fixedly connected with the bottom surface of the base 5, one end of the lower connecting rod 732 is connected with a lower hinge frame 7321 and is hinged with the lower hinge frame 7321, the lower, the upper link 731 and the lower link 732 are symmetrically hinged to two side walls of the hinge block 74, respectively, the two sets of link assemblies 73 are symmetrically arranged about the upper hinge frame 7311, and the two hinge blocks 74 are in threaded connection with the bidirectional screw 72.
When the door and window position of installation is higher, the staff holds hand-operated lever 721, rotates two-way lead screw 72, and two-way lead screw 72 rotates to drive two articulated blocks 74 and be close to each other, because last connecting rod 731 and lower connecting rod 732 are articulated with articulated block 74, thereby make last connecting rod 731 establish the form gradually, make bottom cylinder 2 and box 1 on the pedestal 71 all remove to keeping away from the ground direction, the door and window frame of connecting on the box 1 removes to keeping away from the ground direction.
Referring to fig. 1, four rollers 711 are rotatably connected to the bottom surface of the seat body 71, and the four rollers 711 are rotatably connected to four corners of the seat body 71.
When door and window need be installed or when door and window installation ended, the staff promoted installation appurtenance, and the gyro wheel 711 of connecting on the base 5 body rotates, and door and window installation appurtenance's removal is simple convenient.
The implementation principle of this application embodiment a door and window installation appurtenance does: when needing to install door and window, the staff starts side cylinder 12 and top cylinder 11 and makes the sucking disc 8 of connection on the piston rod adsorb the door and window frame, when door and window mounted position is higher, start end cylinder 2, end cylinder 2 piston rod stretches out, drive the extension of fixed slide bar 4, raise the door and window frame, when the door and window frame height still can not reach mounting height, the staff grasps rocker 721, rotate two-way lead screw 72, link assembly 73 raises, it raises to drive base 5, base 5 raises and drives disc 3 and raise, disc 3 is raised and is driven end cylinder 2 and fixed slide bar 4 and raise, thereby drive box 1 and be located the door and window frame on box 1 and raise, the staff passes through control motor 6, also can adjust box 1, the turned angle of top cylinder 11 and end cylinder 2, move the door and window frame to suitable door and window mounted position.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a door and window installation appurtenance, includes box (1), its characterized in that: the lifting device is characterized in that a vertical top air cylinder (11) is fixedly connected to the top of the box body (1), a horizontal side air cylinder (12) is fixedly connected to the side wall of the box body (1), a vertical bottom air cylinder (2) is fixedly connected to the bottom of the box body (1), and the bottom air cylinder (2) is connected with a lifting assembly (7).
2. A door and window installation assisting tool according to claim 1, wherein: and one end of a piston rod of the top cylinder (11) and one end of a piston rod of the side cylinder (12) are fixedly connected with suckers (8).
3. A door and window installation assisting tool according to claim 1, wherein: lifting unit (7) include pedestal (71), two-way lead screw (72), link assembly (73) and articulated piece (74), two-way lead screw (72) and pedestal (71) rotate to be connected, link assembly (73) are two sets of, and central symmetry about pedestal (71) length direction sets up, and articulated piece (74) is two, and two sets of link assembly (73) are connected rather than articulated piece (74) that correspond respectively, and two are articulated piece (74) and two-way lead screw (72) threaded connection.
4. A door and window installation assisting tool according to claim 3, wherein: the connecting rod assembly (73) comprises an upper connecting rod (731) and a lower connecting rod (732), one end of the upper connecting rod (731) is hinged to the bottom cylinder (2), one end of the lower connecting rod (732) is hinged to the top surface of the seat body (71), and the other end of the upper connecting rod (731) and the other end of the lower connecting rod (732) are hinged to the hinge block (74).
5. A door and window installation assisting tool according to claim 4, wherein: the bottom of the box body (1) is connected with a vertical fixed sliding rod (4), a base (5) is arranged between the fixed sliding rod (4) and the upper connecting rod (731), the fixed sliding rod (4) is connected with the base (5), and the upper connecting rod (731) is hinged to the base (5).
6. A door and window installation assisting tool according to claim 5, wherein: the fixed slide bar (4) comprises an inner slide bar (41) and a slide cylinder (42), a horizontal limiting hole (411) is formed in the inner slide bar (41), a horizontally arranged spring (412) is fixedly connected in the limiting hole (411), one end of the spring (412) is fixedly connected with a slide ball (413), the slide cylinder (42) is sleeved on the outer side of the inner slide bar (41), the inner wall of the slide cylinder (42) is abutted to the side wall of the inner slide bar (41), a horizontal slide hole (421) is formed in the side wall of the slide cylinder (42), the slide hole (421) penetrates through the side wall of the slide cylinder (42), and the slide ball (413) and the slide hole (421) are matched for use.
7. A door and window installation assisting tool according to claim 5, wherein: the base (5) is fixedly connected with a motor (6), a driving shaft of the motor (6) is fixedly connected with a disc (3), and the top surface of the disc (3) is fixedly connected with a sliding cylinder (42) and a bottom air cylinder (2).
8. A door and window installation assisting tool according to claim 3, wherein: the bottom surface of the seat body (71) is rotatably connected with a roller (711).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021828590.4U CN213234166U (en) | 2020-08-27 | 2020-08-27 | Door and window installation appurtenance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021828590.4U CN213234166U (en) | 2020-08-27 | 2020-08-27 | Door and window installation appurtenance |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213234166U true CN213234166U (en) | 2021-05-18 |
Family
ID=75904186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202021828590.4U Expired - Fee Related CN213234166U (en) | 2020-08-27 | 2020-08-27 | Door and window installation appurtenance |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213234166U (en) |
-
2020
- 2020-08-27 CN CN202021828590.4U patent/CN213234166U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN113073834A (en) | Integral hoisting platform and building method of building outer facade construction platform | |
CN112761286A (en) | Glass curtain wall positioning and mounting method | |
CN215254724U (en) | Auxiliary installation equipment for inclined type outer facade glass curtain wall | |
CN219316460U (en) | Positioning device for glass curtain wall construction | |
CN213234166U (en) | Door and window installation appurtenance | |
CN219638443U (en) | Glass curtain wall installs auxiliary device | |
CN211438856U (en) | Auxiliary mechanical hand for assembling vehicle door | |
CN216641471U (en) | A auxiliary device for inside glass curtain wall of exhibition room builds | |
CN212245254U (en) | Loading attachment of auto parts production | |
CN210485128U (en) | Liftable outdoor electronic display | |
CN211130122U (en) | Multimedia teaching platform with raising and lowering functions | |
CN210256043U (en) | Auxiliary assembly device | |
CN210565272U (en) | Lifting support device for centrifugal fan | |
CN220889555U (en) | Positioning tool for curtain wall glass | |
CN221892941U (en) | Multifunctional external stabilizer for detection vehicle | |
CN218057472U (en) | Decorate engineering glass installation with installation device who has adsorption function | |
CN221810030U (en) | Auxiliary supporting device for pipeline installation | |
CN205766063U (en) | A kind of brake drum wheel hub dismounting dolly | |
CN219794554U (en) | Auxiliary assembly is installed to furred ceiling | |
CN220806600U (en) | Aluminum veneer surface treatment device | |
CN220434266U (en) | Indoor installation appurtenance of glass curtain wall | |
CN212930430U (en) | Central air-conditioning mounting frame | |
CN220446368U (en) | Assembling equipment for solar street lamp production | |
CN219491773U (en) | High-precision paying-off positioning special-shaped glass curtain wall construction device | |
CN210475936U (en) | Body-in-white welding platform |
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: 20210518 |
|
CF01 | Termination of patent right due to non-payment of annual fee |