CN216380498U - Over-and-under type construction platform for construction - Google Patents
Over-and-under type construction platform for construction Download PDFInfo
- Publication number
- CN216380498U CN216380498U CN202122136087.3U CN202122136087U CN216380498U CN 216380498 U CN216380498 U CN 216380498U CN 202122136087 U CN202122136087 U CN 202122136087U CN 216380498 U CN216380498 U CN 216380498U
- Authority
- CN
- China
- Prior art keywords
- platform
- welded
- horizontally
- supporting
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 49
- 238000009435 building construction Methods 0.000 claims abstract description 24
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model discloses a lifting construction platform for building construction, which comprises a supporting structure and a lifting structure, wherein the lifting structure is arranged right above the supporting structure, the lifting structure comprises a platform, two sides of the side end face of the platform are vertically and symmetrically welded with two inserting columns, the bottoms of the two inserting columns are vertically sleeved with supporting springs, the upper parts of the two inserting columns are vertically sleeved with sleeves, the bottom ends of the sleeves are welded with the top ends of the supporting springs, railings are horizontally welded on the side end face adjacent to the sleeves, a plurality of railings are uniformly arranged along the vertical direction, pillars are vertically welded at the top ends of the sleeves, a ceiling is horizontally arranged right above the sleeves, and the bottom surface of the ceiling is welded at the top ends of the pillars. The utility model can carry out safety protection on workers on the construction platform while carrying out lifting construction operation, thereby improving the stability and safety in later use.
Description
Technical Field
The utility model relates to the technical field of construction platforms, in particular to a lifting type construction platform for building construction.
Background
The building construction refers to the production activity in the engineering construction implementation stage, is the building process of various buildings, and comprises foundation engineering construction, roofing engineering construction and the like, the place of construction operation is called as a building construction site or a construction site, also called as a construction site, a lifting type construction platform is often used in the building construction process, a series of life dangers are easily caused due to the fact that the existing building construction platform is not in place in protection measures, and meanwhile, when the building construction platform is lifted and moved in high altitude, the building construction platform can shake violently due to the instability of the structure of the building construction platform, so that the construction progress is greatly influenced.
Therefore, the lifting construction platform for building construction is needed, and safety protection is carried out on workers on the construction platform while lifting construction operation can be carried out, so that the stability and safety during later-stage use are improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lifting type construction platform for building construction, and aims to solve the problems that a series of life dangers are easily caused due to the fact that protection measures are not in place in the existing construction platform, and meanwhile when the construction platform is lifted and moved in high altitude, the construction platform can shake violently due to instability of the structure of the construction platform, and construction progress is greatly influenced.
The utility model is realized by the following steps:
the utility model provides an over-and-under type construction platform for construction, including bearing structure and elevation structure, elevation structure sets up directly over bearing structure, and elevation structure includes the platform, the equal vertical symmetrical welding in side end face both sides of platform has two to insert the post, and two equal vertical covers in bottom of inserting the post be equipped with supporting spring, two vertical all covers in upper portion of inserting the post be equipped with the sleeve, and telescopic bottom and supporting spring's top welding, equal horizontal welding has the railing on the adjacent side end face of sleeve, and the railing evenly sets up many along vertical direction, the equal vertical welding in telescopic top has the pillar, and telescopic directly over the level be provided with the ceiling, the bottom surface welding of ceiling is on the top of pillar.
Further, bearing structure includes a frame, and a frame level sets up under the platform, and the equal horizontal welding in both sides has the guide arm around the top surface of a frame, and two universal wheels are all installed to the bottom surface both sides of a frame.
And then set up under the platform through a frame level, and the equal horizontal welding in both sides has the guide arm around the top surface of a frame, and two universal wheels are all installed to the bottom surface both sides of a frame to make things convenient for the later stage to lead and send the platform to carry out the operation of going up and down, the later stage removal of being convenient for simultaneously is adjusted.
Furthermore, the left side and the right side right above the top surface of the support frame are horizontally provided with sliding strips, and sliding sleeves in sliding fit with the guide rods are horizontally welded at the front end and the rear end of each sliding strip.
And then all levels in the left and right sides through directly over the support frame top surface are provided with the draw runner, and both ends horizontal welding has the sliding sleeve with guide arm sliding fit around the draw runner, make things convenient for later stage slip to lead and send the platform to go up and down.
Furthermore, pin shaft seats are symmetrically welded on two sides of the top surface of the sliding strip and two sides of the bottom surface of the platform, two support arms are symmetrically arranged right above the pin shaft seats on two sides, and the support arms are rotatably connected with the adjacent pin shaft seats.
And then the both sides of top surface through the draw runner and the equal symmetrical welding in bottom surface both sides of platform have the round pin axle bed, and just the equal symmetry in both sides round pin axle bed is provided with two support arms, and the support arm rotates with adjacent round pin axle bed to make things convenient for the later stage to promote the platform and go up and down.
Furthermore, the middle parts of the end surfaces of the two sides of the support frame are horizontally penetrated and fixedly provided with a horizontal pushing cylinder, and the output end of the horizontal pushing cylinder penetrates through the end surfaces of the two sides of the support frame and is connected with the sliding strip.
And then through the equal level of both sides terminal surface middle part of a frame run through fixed mounting have a flat push cylinder, and the output that the flat push cylinder runs through the both sides terminal surface of a frame and is connected with the draw runner to convenient later stage start the flat push cylinder on a frame side end face promote the draw runner horizontal slip on the guide arm of a frame, then make the support arm rotate on the pin axle bed on draw runner and platform, and then promote the platform and go up and down.
Further, equal horizontal welding has two cover barrel seats on the terminal surface of a frame left and right sides, and the vertical slip grafting has the hole pole in the cover barrel seat, runs through along the even level of vertical direction on the outer circumference of hole pole and has seted up the through-hole, and the bottom horizontal welding of hole pole has the nail dish.
And then through propping up equal horizontal welding on the frame left and right sides terminal surface and having two cover barrel seats, and the vertical slip grafting has the hole pole in the cover barrel seat, runs through along the even level of vertical direction on the outer circumference of hole pole and has seted up the through-hole, and the bottom horizontal welding of hole pole has the nail dish, supports a frame when convenient to use, avoids taking place to slide, stability when influencing the use.
Furthermore, the outer circumference of the sleeve seat horizontally penetrates through and is spliced with an inserted bar, and the inserted bar horizontally penetrates through and is spliced on the through hole of the hole rod to position and assemble the sleeve seat and the hole rod.
And then one side level of the outer circumference through the sleeve seat runs through to be pegged graft there is the inserted bar, and the inserted bar level runs through to peg graft and fixes a position equipment sleeve seat and hole pole on the through-hole of hole pole to convenient spacing location accuse is done.
Compared with the prior art, the utility model has the beneficial effects that: the utility model
When the lifting construction platform for building construction is used, a sliding strip is pushed to horizontally slide on a guide rod of a support frame by starting a horizontal pushing cylinder on the side end face of the support frame, then a support arm is rotated on a pin shaft seat on the sliding strip and the platform, and then the platform is pushed to lift upwards, two inserting columns are vertically and symmetrically welded on two sides of the side end face of the platform, a supporting spring is vertically sleeved at the bottom of each inserting column, sleeves are vertically sleeved at the upper parts of the two inserting columns, the bottom ends of the sleeves are welded with the top ends of the supporting springs, railings are horizontally welded on the adjacent side end faces of the sleeves, a plurality of railings are uniformly arranged in the vertical direction, pillars are vertically welded at the top ends of the sleeves, a ceiling is horizontally arranged right above the sleeves, the bottom surface of the ceiling is welded at the top ends of the pillars, personnel and high-altitude falling objects are blocked, so that the lifting construction operation can be carried out, carry out safety protection to the workman on the construction platform to stability and security when promoting the later stage and using, thereby overcome current building construction platform because safeguard measure is not in place, make to cause a series of life dangers easily, building construction platform is when the lift activity in the high altitude simultaneously, can take place acutely to rock because of the unstability of self structure, thereby has influenced the problem of construction progress greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of an exploded structure of the present invention;
FIG. 3 is a schematic structural diagram of a lifting structure in an embodiment of the present invention;
FIG. 4 is a schematic structural view of a support structure in an embodiment of the utility model;
fig. 5 is an exploded view of a support structure in an embodiment of the utility model.
In the figure: 1. a support structure; 11. supporting a frame; 12. a universal wheel; 13. a guide bar; 14. a slide bar; 15. a pin shaft seat; 16. a support arm; 17. a horizontal pushing cylinder; 18. a sleeve seat; 181. inserting a rod; 19. a hole rod; 191. a nail plate; 2. a lifting structure; 21. a platform; 22. inserting a column; 23. a support spring; 24. a sleeve; 25. a pull rod; 26. a pillar; 27. and (4) a ceiling.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a lifting construction platform for building construction, comprising a supporting structure 1 and a lifting structure 2, wherein the lifting structure 2 is disposed right above the supporting structure 1, and the lifting structure 2 comprises a platform 21, two inserting columns 22 are vertically and symmetrically welded on two sides of a side end surface of the platform 21, bottom portions of the two inserting columns 22 are vertically sleeved with supporting springs 23, upper portions of the two inserting columns 22 are vertically sleeved with sleeves 24, bottom ends of the sleeves 24 are welded with top ends of the supporting springs 23, railings 26 are horizontally welded on adjacent side end surfaces of the sleeves 24, a plurality of railings 26 are uniformly arranged along a vertical direction, pillars 26 are vertically welded on top ends of the sleeves 24, a ceiling 27 is horizontally disposed right above the sleeves 24, and bottom surfaces of the ceiling 27 are welded on top ends of the pillars 26.
When the lifting construction platform for building construction is used, the sliding strip 14 is pushed to horizontally slide on the guide rod 13 of the supporting frame 11 by starting the flat push air cylinder 17 on the side end face of the supporting frame 11, then the supporting arm 16 is enabled to rotate on the sliding strip 14 and the pin shaft seat 15 on the platform 21, and then the platform 21 is pushed to upwards lift, meanwhile, two inserting columns 22 are vertically and symmetrically welded on two sides of the side end face of the platform 21, the bottom parts of the two inserting columns 22 are vertically sleeved with the supporting springs 23, the upper parts of the two inserting columns 22 are vertically sleeved with the sleeves 24, the bottom ends of the sleeves 24 are welded with the top ends of the supporting springs 23, railings 26 are horizontally welded on the side end face adjacent to the sleeves 24, a plurality of railings 26 are uniformly arranged in the vertical direction, the supporting columns 26 are vertically welded on the top ends of the sleeves 24, the supporting columns 27 are horizontally arranged right above the sleeves 24, the bottom surface of the ceiling 27 is welded on the top ends of the ceiling supporting columns 26, stop personnel and high altitude junk, and then when can carrying out over-and-under type construction operation, carry out safety protection to the workman on the construction platform to stability and security when promoting the later stage and using.
Referring to fig. 5, the supporting structure 1 includes a supporting frame 11, the supporting frame 11 is horizontally disposed under the platform 21, guide rods 13 are horizontally welded to the front and rear sides of the top surface of the supporting frame 11, and two universal wheels 12 are mounted on the two sides of the bottom surface of the supporting frame 11.
And then set up under platform 21 through a frame 11 level, and the equal horizontal welding in both sides has guide arm 13 around the top surface of a frame 11, and two universal wheels 12 are all installed to the bottom surface both sides of a frame 11 to make things convenient for the later stage to lead and send platform 21 to carry out the operation of going up and down, the later stage removal of being convenient for simultaneously is adjusted.
Referring to fig. 5, the left and right sides of the top surface of the support frame 11 are horizontally provided with slide bars 14, and the front and rear ends of the slide bars 14 are horizontally welded with slide sleeves in sliding fit with the guide rods 13.
And then the left and right sides through directly over the top surface of the support frame 11 are all horizontally provided with the slide bars 14, and the front and back both ends horizontal welding of the slide bars 14 have with the guide rod 13 sliding fit's slip bush, make things convenient for later stage slip to lead and send platform 21 to go up and down.
Referring to fig. 4, pin shaft seats 15 are symmetrically welded to both sides of the top surface of the slide bar 14 and both sides of the bottom surface of the platform 21, two support arms 16 are symmetrically arranged right above the pin shaft seats 15, and the support arms 16 are rotatably connected to the adjacent pin shaft seats 15.
And then the both sides of top surface through draw runner 14 and the equal symmetrical welding in bottom surface both sides of platform 21 have round pin axle bed 15, and just the equal symmetry of both sides round pin axle bed 15 is provided with two support arms 16, and support arm 16 is connected with adjacent round pin axle bed 15 rotation to make things convenient for the later stage to promote platform 21 and go up and down.
Referring to fig. 4, the middle of the two side end surfaces of the supporting frame 11 is horizontally penetrated and fixedly installed with a horizontal pushing cylinder 17, and the output end of the horizontal pushing cylinder 17 penetrates the two side end surfaces of the supporting frame 11 and is connected with the sliding bar 14.
And then through the equal level of both sides terminal surface middle part of a frame 11 and run through fixed mounting and have the flat push cylinder 17, and the output of flat push cylinder 17 runs through the both sides terminal surface of a frame 11 and is connected with draw runner 14 to it promotes draw runner 14 horizontal slip on guide arm 13 of a frame 11 to make things convenient for the later stage to start the flat push cylinder 17 on the terminal surface of a frame 11 side, then makes support arm 16 rotate on draw runner 14 and the round pin axle bed 15 on platform 21, and then promotes platform 21 and upwards goes up and down.
Referring to fig. 5, two sleeve seats 18 are horizontally welded on the left and right end faces of the support frame 11, a hole rod 19 is vertically inserted into the sleeve seats 18 in a sliding manner, through holes are uniformly and horizontally formed in the outer circumference of the hole rod 19 along the vertical direction, and a nail plate 191 is horizontally welded at the bottom of the hole rod 19.
And then through propping up equal horizontal welding on the frame 11 left and right sides terminal surface and having two cover barrel 18, and the vertical slip grafting has hole pole 19 in the cover barrel 18, has run through along the even level of vertical direction on the outer circumference of hole pole 19 and has seted up the through-hole, and the bottom horizontal welding of hole pole 19 has nail dish 191, supports a frame 11 when convenient to use, avoids taking place to slide, stability when influencing the use.
Referring to fig. 5, an insertion rod 181 horizontally penetrates through one side of the outer circumference of the sleeve seat 18, and the insertion rod 181 horizontally penetrates through the through hole of the hole rod 19 to position and assemble the sleeve seat 18 and the hole rod 19.
And then the outer circumference one side level through sleeve seat 18 runs through the grafting has inserted bar 181, and inserted bar 181 level runs through the grafting and fixes a position equipment sleeve seat 18 and hole pole 19 on the through-hole of hole pole 19 to convenient spacing location accuse is done 19.
The working principle is as follows: when the lifting construction platform for building construction is used, the sliding strip 14 is pushed to horizontally slide on the guide rod 13 of the supporting frame 11 by starting the flat push air cylinder 17 on the side end face of the supporting frame 11, then the supporting arm 16 is enabled to rotate on the sliding strip 14 and the pin shaft seat 15 on the platform 21, and further the platform 21 is pushed to upwards lift, meanwhile, two inserting columns 22 are vertically and symmetrically welded on two sides of the side end face of the platform 21, the bottom parts of the two inserting columns 22 are vertically sleeved with the supporting springs 23, the upper parts of the two inserting columns 22 are vertically sleeved with the sleeves 24, the bottom ends of the sleeves 24 are welded with the top ends of the supporting springs 23, the railings 26 are horizontally welded on the side end face adjacent to the sleeves 24, a plurality of railings 26 are uniformly arranged in the vertical direction, the supporting columns 26 are vertically welded on the top ends of the sleeves 24, a ceiling 27 is horizontally arranged right above the sleeves 24, the bottom surface of the ceiling 27 is welded on the top ends of the supporting columns 26, blocking people and high-altitude falling objects.
The device obtained by the design can basically meet the requirement of safety protection for workers on a construction platform while lifting construction operation can be carried out, so that the use of the lifting construction platform for building construction is improved in stability and safety in later use, but the designer further improves the device based on the aim of further perfecting the function of the lifting construction platform.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a construction is with over-and-under type construction platform which characterized in that: comprises a supporting structure (1) and a lifting structure (2), wherein the lifting structure (2) is arranged right above the supporting structure (1), the lifting structure (2) comprises a platform (21), two inserting columns (22) are vertically and symmetrically welded on two sides of the side end face of the platform (21), and the bottoms of the two inserting columns (22) are vertically sleeved with supporting springs (23), sleeves (24) are vertically sleeved on the upper parts of the two inserting columns (22), the bottom end of the sleeve (24) is welded with the top end of the supporting spring (23), handrails (25) are horizontally welded on the end faces of the adjacent sides of the sleeve (24), a plurality of railings (25) are uniformly arranged along the vertical direction, the top ends of the sleeves (24) are vertically welded with supporting columns (26), and a ceiling (27) is horizontally arranged right above the sleeve (24), and the bottom surface of the ceiling (27) is welded on the top end of the support column (26).
2. The lifting construction platform for building construction according to claim 1, characterized in that the supporting structure (1) comprises a supporting frame (11), the supporting frame (11) is horizontally arranged under the platform (21), guide rods (13) are horizontally welded on the front side and the rear side of the top surface of the supporting frame (11), and two universal wheels (12) are mounted on the two sides of the bottom surface of the supporting frame (11).
3. The lifting construction platform for building construction according to claim 2, characterized in that the left and right sides right above the top surface of the support frame (11) are horizontally provided with a slide bar (14), and the front and rear ends of the slide bar (14) are horizontally welded with slide sleeves in sliding fit with the guide rods (13).
4. The lifting construction platform for building construction according to claim 3, characterized in that the pin shaft seats (15) are symmetrically welded on both sides of the top surface of the sliding bar (14) and both sides of the bottom surface of the platform (21), two support arms (16) are symmetrically arranged right above the pin shaft seats (15), and the support arms (16) are rotatably connected with the adjacent pin shaft seats (15).
5. The lifting construction platform for building construction according to claim 4, characterized in that the middle of the two side end surfaces of the support frame (11) is horizontally provided with a horizontal pushing cylinder (17) in a penetrating and fixed manner, and the output end of the horizontal pushing cylinder (17) penetrates the two side end surfaces of the support frame (11) and is connected with the sliding bar (14).
6. The lifting construction platform for building construction as claimed in claim 5, wherein two sleeve seats (18) are horizontally welded on the left and right end faces of the supporting frame (11), a hole rod (19) is vertically inserted into each sleeve seat (18) in a sliding manner, through holes are uniformly and horizontally formed in the outer circumference of each hole rod (19) along the vertical direction, and a nail plate (191) is horizontally welded at the bottom of each hole rod (19).
7. The lifting construction platform for building construction according to claim 6, wherein an insertion rod (181) horizontally penetrates through one side of the outer circumference of the sleeve seat (18) and is inserted, and the insertion rod (181) horizontally penetrates through and is inserted in a through hole of the hole rod (19) to position and assemble the sleeve seat (18) and the hole rod (19).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122136087.3U CN216380498U (en) | 2021-09-06 | 2021-09-06 | Over-and-under type construction platform for construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122136087.3U CN216380498U (en) | 2021-09-06 | 2021-09-06 | Over-and-under type construction platform for construction |
Publications (1)
Publication Number | Publication Date |
---|---|
CN216380498U true CN216380498U (en) | 2022-04-26 |
Family
ID=81241346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122136087.3U Expired - Fee Related CN216380498U (en) | 2021-09-06 | 2021-09-06 | Over-and-under type construction platform for construction |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN216380498U (en) |
-
2021
- 2021-09-06 CN CN202122136087.3U patent/CN216380498U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN210164209U (en) | Anti-falling safety device for attached lifting scaffold | |
CN216380498U (en) | Over-and-under type construction platform for construction | |
CN112343318B (en) | Anti-tilting scaffold for building | |
CN211548713U (en) | A suspension type scaffold frame for square chimney | |
CN209874427U (en) | A adjustable construction platform for construction is built in room | |
CN218467019U (en) | Scaffold for building | |
CN109019420B (en) | Multi-functional cat ladder is used in architectural decoration | |
CN213869667U (en) | Anti-turnover insulating ladder for transformer maintenance operation | |
CN203188597U (en) | Safety support and scaffold with same | |
CN217602019U (en) | Be applied to safe subassembly of scaffold frame | |
CN213015273U (en) | Scaffold | |
CN220100586U (en) | Wall-attached support for overhead layer climbing frame | |
CN218438093U (en) | Safe civil engineering scaffold convenient to remove | |
CN218292730U (en) | Movable overhead working protection frame with safety supporting structure | |
CN216142374U (en) | Lifting scaffold | |
CN220814856U (en) | Safety protection device for building scaffold | |
CN110344748A (en) | A kind of Domestic staircase that durability is high | |
CN219298746U (en) | Scaffold for building decoration | |
CN211473311U (en) | Movable adjustable tower | |
CN218862070U (en) | Suspension walking type operation platform | |
CN218786978U (en) | Interior decoration elevating gear | |
CN220301752U (en) | Lifting platform for green building construction | |
CN110067377B (en) | Falling protector for scaffold | |
CN217557575U (en) | Lifting type building scaffold | |
CN219326994U (en) | Movable hanging basket device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhao Chunyu Inventor after: Shen Lulu Inventor after: Xu Yangyang Inventor after: Zheng Xiaozhong Inventor before: Zheng Xiaozhong |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220426 |