CN113775213A - Detachable design protection operation canopy of construction is built in room - Google Patents
Detachable design protection operation canopy of construction is built in room Download PDFInfo
- Publication number
- CN113775213A CN113775213A CN202111187379.8A CN202111187379A CN113775213A CN 113775213 A CN113775213 A CN 113775213A CN 202111187379 A CN202111187379 A CN 202111187379A CN 113775213 A CN113775213 A CN 113775213A
- Authority
- CN
- China
- Prior art keywords
- bolt
- stabilizing
- plate
- rod
- block
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
- E04H1/1205—Small buildings erected in the open air
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
- E04G21/3209—Temporary tunnels specially adapted against falling objects
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Grates (AREA)
Abstract
The invention provides a detachable shaping protection operation shed for building construction, which comprises two mounting plates, wherein ceiling plates are clamped between the two mounting plates, threaded rods are mounted on the two mounting plates, fixed plates are sleeved on the threaded rods in a threaded manner, vertical plates are mounted on two sides of the fixed plates, supporting blocks are slidably sleeved on the vertical plates, elastic buffering parts connected with the vertical plates are mounted in the supporting blocks, sleeve blocks are mounted on the threaded rods, stabilizing parts are arranged between the sleeve blocks and the ceiling plates, and the stabilizing parts are detachably connected with the sleeve blocks and the ceiling plates respectively. The invention provides a detachable shaping protection operation shed for building construction, which can be conveniently disassembled and assembled, has good stability and can play a role in buffering when being hit by a falling object.
Description
Technical Field
The invention relates to the technical field of building construction protection operation sheds, in particular to a detachable shaping protection operation shed for building construction.
Background
The protection shed is required to be built for workers to operate in building construction, the protection operation shed is built in the construction process, safety protection measures must be made with attention, the constructors must construct according to construction requirements, the position of an open-air mixer, the site concrete mixer, the winch shed, the steel bar shed, the wood shed and some entrances and exits.
The protection operation canopy that has now has certain drawback when using, is not convenient for carry out the dismouting to it, and the stability can be poor, the phenomenon that easily appears collapsing when falling the thing by the high altitude.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a detachable type shaping protection operation shed for building construction
The detachable shaping protection operation shed for building construction comprises two mounting plates, ceiling plates are clamped between the two mounting plates, threaded rods are mounted on the two mounting plates, fixing plates are sleeved on the threaded rods in a threaded manner, vertical plates are mounted on two sides of the fixing plates, supporting blocks are slidably sleeved on the vertical plates, elastic buffering parts connected with the vertical plates are mounted in the supporting blocks, sleeve blocks are mounted on the threaded rods, stabilizing parts are arranged between the sleeve blocks and the ceiling plates, and the stabilizing parts are detachably connected with the sleeve blocks and the ceiling plates respectively.
Preferably, the ceiling plate includes two guard plates, and the draw-in groove has all been seted up in two mounting panels, and the joint has the fixture block of being connected with two guard plates respectively in two draw-in grooves, is equipped with the butt joint board between two guard plates, and the butt joint board is pegged graft in two guard plates, two be equipped with the locking piece that is used for locking the butt joint board on the guard plate.
Preferably, the locking piece includes the bolt of pegging graft on the guard plate, set up a plurality of jacks with bolt looks adaptation on the butt joint board, and the bolt is pegged graft in the jack, threaded connection has the first bolt that compresses tightly with the fixture block on the mounting panel.
Preferably, the sleeve block is slidably sleeved on the threaded rod, the threaded rod is provided with a limiting part for locking the sleeve block, the sleeve block is provided with a first connecting block, the bottom of the protection plate is provided with a second connecting block, the stabilizing part comprises a first stabilizing rod and a second stabilizing rod, a first opening is formed in the first connecting block, one end of the first stabilizing rod is clamped in the first opening, a first clamping part for locking the first stabilizing rod is arranged on the first connecting block, a second opening is formed in the second connecting block, one end of the second stabilizing rod is clamped in the second opening, a second clamping part for locking the second stabilizing rod is arranged on the second connecting block, a connecting rod is arranged between the first stabilizing rod and the second stabilizing rod, and two ends of the connecting rod are respectively inserted in the first stabilizing rod and the second stabilizing rod in a sliding manner, the first stabilizer bar and the second stabilizer bar are connected with a second bolt in a threaded manner, the connecting rod is provided with a plurality of threaded holes matched with the second bolt, and the second bolt is connected in one of the threaded holes in a threaded manner.
Preferably, the locating part includes that the screw thread cover establishes two first nuts on the threaded rod, and the cover block is located between two first nuts, and two first nuts all support tightly with the cover block, first screens spare includes the third bolt of screw thread cross-under on first connecting block, first stabilizer bar, the threaded bush is equipped with the second nut that compresses tightly with first connecting block on the third bolt, second screens spare includes the fourth bolt of screw thread cross-under on second connecting block, second stabilizer bar, the threaded bush is equipped with the third nut that compresses tightly with the second connecting block on the fourth bolt.
Preferably, a sliding cavity is formed in the supporting block, the vertical plate extends into the sliding cavity and is in sliding connection with the supporting block, and the elastic buffer piece comprises a first spring which is installed in the sliding cavity and is connected with the vertical plate.
Preferably, a stabilizing plate is arranged between the two supporting blocks, and a second spring attached to the threaded rod is mounted on the stabilizing plate.
The detachable shaping protection operation shed for building construction provided by the invention has the following beneficial effects:
through the ceiling plate and the threaded rod, in order to facilitate the disassembly and assembly of the protective operation shed, the threaded rod on the mounting plate can be firstly threaded on the fixing plate to ensure that the two mounting plates are at the same horizontal height, and then the ceiling plate is clamped on the two mounting plates, so that the structure is convenient for the assembly and disassembly of the operation shed;
through the design of elastic buffer, when ceiling plate is hit by the object of falling from the high altitude, the mounting panel can produce the holding down force downwards, and vertical board can produce pressure to the elastic buffer in the backup pad, and elastic buffer takes place elastic deformation in the elastic buffer atress, plays the effect of buffering, and the cushion capacity of this structure multiplicable operation canopy improves the effect of protection.
Through the design of stabilizing member, can install stabilizing member between ceiling plate and cover piece for form triangular structure between ceiling plate, mounting panel, threaded rod, the stabilizing member, thereby increase the overall structure intensity of operation canopy, improve the dynamics of shocking resistance, make the operation canopy also more firm.
Drawings
Fig. 1 is a schematic view of the overall structure of a detachable type shaping protection operation shed for building construction according to the present invention.
Fig. 2 is a schematic view of a local structure of a detachable type shaping protection operation shed for building construction according to the present invention.
Fig. 3 is a schematic perspective partial structure diagram of a ceiling plate in a detachable type shaping protection operation shed for building construction according to the present invention.
Fig. 4 is a schematic structural diagram of a stabilizer in a detachable shaping protection operation shed for building construction according to the present invention.
Detailed Description
Referring to fig. 1-4, the invention provides a detachable type shaping protection operation shed for building construction, which comprises two mounting plates 1, wherein a ceiling plate 2 is clamped between the two mounting plates 1. Ceiling plate 2 includes two guard plates 21, has all seted up the draw-in groove in two mounting panels 1, and the joint has the fixture block 22 of being connected with two guard plates 21 in two draw-in grooves respectively, is equipped with docking plate 23 between two guard plates 21, and docking plate 23 is pegged graft in two guard plates 21, is equipped with the locking piece that is used for locking docking plate 23 on two guard plates 21. The locking piece includes the bolt 24 of pegging graft on guard plate 21, offers a plurality of jacks with 24 looks adaptations of bolt on the butt plate 23, and the bolt 24 pegs graft in the jack, and threaded connection has the first bolt 12 that compresses tightly with fixture block 22 on the mounting panel 1.
All install threaded rod 3 on two mounting panels 1, threaded rod 3 goes up the screw thread and has cup jointed fixed plate 4, and vertical board 5 is all installed to the both sides of fixed plate 4, and the slip cap is equipped with supporting shoe 6 on vertical board 5, installs the elastic buffer who is connected with vertical board 5 in the supporting shoe 6. A sliding cavity is formed in the supporting block 6, the vertical plate 5 extends into the sliding cavity and is in sliding connection with the supporting block 6, and the elastic buffer piece comprises a first spring 9 which is installed in the sliding cavity and is connected with the vertical plate 5. A stabilizing plate 10 is arranged between the two supporting blocks 6, and a second spring 11 attached to the threaded rod 3 is arranged on the stabilizing plate 10.
In this embodiment, in order to facilitate carrying out the dismouting to the operation canopy, when the installation, through ceiling plate 2, threaded rod 3, can cross the 3 screw threads of threaded rod on the mounting panel 1 on fixed plate 4 earlier, make two mounting panels 1 be in same level, then according to the distance between two mounting panels 1, adjust the distance between two protection plates 21 on the buttcover plate 23, go into the draw-in groove of seting up on two mounting panels 1 with fixture block 22 on two protection plates 21 respectively, then the first bolt 12 of accessible is fixed the position of fixture block 22 on mounting panel 1, fix the position of protection plate 21 on buttcover plate 23 through bolt 24, this structure is convenient for carry out the dismouting to the operation canopy, can also enlarge or reduce the area of operation canopy as required, be convenient for people to use.
In this embodiment, in order to prevent that the operation canopy from falling down the thing by the high altitude when pounding, the phenomenon that collapses appears, design through elastic buffer, when ceiling plate 2 is by the thing of falling down in the thing, threaded rod 3 on the mounting panel 1 can produce down force to fixed plate 4 downwards, vertical board 5 slides in supporting shoe 6, extrude first spring 9, meanwhile second spring 11 on the firm board 10 receives the extrusion of threaded rod 3, will take place elastic deformation when first spring 9 and second spring 11 atress, thereby play the effect of buffering, the buffer capacity of this structure multiplicable operation canopy, improve the effect of protection, prevent that the phenomenon that the operation canopy from collapsing from appearing.
In a further embodiment, in order to improve the overall strength of the operation shed, the threaded rod 3 is provided with a sleeve block 7, a stabilizing piece 8 is arranged between the sleeve block 7 and the ceiling plate 2, and the stabilizing piece 8 is detachably connected with the sleeve block 7 and the ceiling plate 2 respectively.
The sleeve block 7 is sleeved on the threaded rod 3 in a sliding manner, the threaded rod 3 is provided with a limiting piece for locking the sleeve block 7, the sleeve block 7 is provided with a first connecting block 13, the bottom of the protection plate 21 is provided with a second connecting block 14, the stabilizing piece 8 comprises a first stabilizing rod 81 and a second stabilizing rod 82, the first connecting block 13 is internally provided with a first opening, one end of the first stabilizing rod 81 is clamped in the first opening, the first connecting block 13 is provided with a first clamping piece for locking the first stabilizing rod 81, the second connecting block 14 is internally provided with a second opening, one end of the second stabilizing rod 82 is clamped in the second opening, the second connecting block 14 is provided with a second clamping piece for locking the second stabilizing rod 82, a connecting rod 83 is arranged between the first stabilizing rod 81 and the second stabilizing rod 82, two ends of the connecting rod 83 are respectively inserted in the first stabilizing rod 81 and the second stabilizing rod 82 in a sliding manner, the first stabilizing rod 81 and the second stabilizing rod 82 are both connected with a second bolt 84 through threads, the connecting rod 83 is provided with a plurality of threaded holes matched with the second bolts 84, and the second bolts 84 are in threaded connection in one of the threaded holes. The locating part includes that the screw thread cover establishes two first nuts 15 on threaded rod 3, and the nest block 7 is located between two first nuts 15, two first nuts 15 all support tightly with nest block 7, first screens piece includes that the screw thread pierces at first connecting block 13, the third bolt 16 on the first stabilizer bar 81, the screw thread cover is equipped with the second nut 17 that compresses tightly with first connecting block 13 on the third bolt 16, the second screens piece includes that the screw thread pierces at second connecting block 14, the fourth bolt 18 on the second stabilizer bar 82, the threaded sleeve is equipped with the third nut 19 that compresses tightly with second connecting block 14 on the fourth bolt 18.
Through the design of the stabilizer 8, the sleeve block 7 can be slid to a proper position on the threaded rod 3, then the locking is carried out through the first nut 15, then the distance between the first stabilizer 81 and the second stabilizer 82 on the connecting rod 83 is adjusted according to the distance between the first connecting block 13 and the second connecting block 14, then the position of the first stabilizer 81 and the second stabilizer 82 on the connecting rod 83 can be fixed through the two second bolts 84, one end of the first stabilizer 81 can be clamped into a first opening formed in the first connecting block 13, then the third bolt 16 is threaded through the first stabilizer 81 and locked through the second nut 17, the fourth bolt 18 is threaded through the second stabilizer 82 and locked through the third nut 19, and the structure enables a triangular structure to be formed among the ceiling plate 2, the mounting plate 1, the threaded rod 3 and the stabilizer 8, thereby increasing the overall structural strength of the working shed, improve the impact strength and ensure that the operation shed is firmer.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a detachable design protection operation canopy of construction is built in room, a serial communication port, including two mounting panels (1), two the joint has ceiling plate (2), two between mounting panel (1) all install threaded rod (3) on mounting panel (1), threaded rod (3) are gone up the screw thread and have been cup jointed fixed plate (4), and the both sides of fixed plate (4) all install vertical board (5), sliding sleeve is equipped with supporting shoe (6) on vertical board (5), install the elastic buffer who is connected with vertical board (5) in supporting shoe (6), install nest of blocks (7) on threaded rod (3), be equipped with stabilizing member (8) between nest of blocks (7) and ceiling plate (2), and stabilizing member (8) can dismantle with nest of blocks (7), ceiling plate (2) respectively and be connected.
2. The detachable design protection operation canopy of building construction according to claim 1, its characterized in that: ceiling plate (2) include two guard plates (21), have all seted up the draw-in groove in two mounting panels (1), and the joint has fixture block (22) of being connected with two guard plates (21) respectively in two draw-in grooves, is equipped with between two guard plates (21) butt joint board (23), and butt joint board (23) are pegged graft in two guard plates (21), two be equipped with the locking piece that is used for locking butt joint board (23) on guard plate (21).
3. The detachable design protection operation canopy of building construction according to claim 2, its characterized in that: the locking piece is including pegging graft bolt (24) on guard plate (21), set up a plurality of jacks with bolt (24) looks adaptation on butt plate (23), and bolt (24) peg graft in the jack, threaded connection has first bolt (12) that compress tightly with fixture block (22) on mounting panel (1).
4. The detachable design protection operation canopy of building construction according to claim 3, its characterized in that: the sleeve block (7) is sleeved on the threaded rod (3) in a sliding manner, a limiting part used for locking the sleeve block (7) is arranged on the threaded rod (3), a first connecting block (13) is installed on the sleeve block (7), a second connecting block (14) is installed at the bottom of the protection plate (21), the stabilizing part (8) comprises a first stabilizing rod (81) and a second stabilizing rod (82), a first opening is formed in the first connecting block (13), one end of the first stabilizing rod (81) is connected in the first opening in a clamped manner, a first clamping part used for locking the first stabilizing rod (81) is arranged on the first connecting block (13), a second opening is formed in the second connecting block (14), one end of the second stabilizing rod (82) is connected in the second opening in a clamped manner, a second clamping part used for locking the second stabilizing rod (82) is arranged on the second connecting block (14), be equipped with connecting rod (83) between first stabilizer bar (81) and second stabilizer bar (82), and the both ends of connecting rod (83) slide respectively and peg graft in first stabilizer bar (81), second stabilizer bar (82), equal threaded connection has second bolt (84) on first stabilizer bar (81) and second stabilizer bar (82), set up a plurality of screw holes with second bolt (84) looks adaptation on connecting rod (83), second bolt (84) threaded connection is in one of them screw hole.
5. The detachable design protection operation canopy of building construction according to claim 4, its characterized in that: the locating part includes that the thread bush establishes two first nuts (15) on threaded rod (3), and sleeve block (7) are located between two first nuts (15), and two first nuts (15) all support tightly with sleeve block (7), first screens piece includes third bolt (16) of screw thread cross connection on first connecting block (13), first stabilizer bar (81), the thread bush is equipped with second nut (17) that compress tightly with first connecting block (13) on third bolt (16), the fourth bolt (18) of screw thread cross connection on second connecting block (14), second stabilizer bar (82) is drawn together to the second screens piece, the thread bush is equipped with third nut (19) that compress tightly with second connecting block (14) on fourth bolt (18).
6. The detachable design protection operation canopy of building construction according to claim 1, its characterized in that: a sliding cavity is formed in the supporting block (6), the vertical plate (5) stretches into the sliding cavity and is in sliding connection with the supporting block (6), and the elastic buffer part comprises a first spring (9) which is installed in the sliding cavity and is connected with the vertical plate (5).
7. The detachable design protection operation canopy of building construction according to claim 6, its characterized in that: a stabilizing plate (10) is arranged between the two supporting blocks (6), and a second spring (11) attached to the threaded rod (3) is mounted on the stabilizing plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111187379.8A CN113775213B (en) | 2021-10-12 | 2021-10-12 | Detachable design protection operation canopy of construction is built in room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111187379.8A CN113775213B (en) | 2021-10-12 | 2021-10-12 | Detachable design protection operation canopy of construction is built in room |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113775213A true CN113775213A (en) | 2021-12-10 |
| CN113775213B CN113775213B (en) | 2022-11-04 |
Family
ID=78871024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111187379.8A Active CN113775213B (en) | 2021-10-12 | 2021-10-12 | Detachable design protection operation canopy of construction is built in room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113775213B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182606A (en) * | 2022-07-08 | 2022-10-14 | 江西中一建工集团有限公司 | Detachable design protection operation canopy of construction is built in room |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0304518A1 (en) * | 1987-02-19 | 1989-03-01 | Speedy Gantry Hire Pty. Ltd. | Improvements to scaffolding |
| US20110220596A1 (en) * | 2009-03-20 | 2011-09-15 | Northern States Metals Company | Support system for solar panels |
| CN210049385U (en) * | 2019-05-15 | 2020-02-11 | 梁建威 | Detachable design protection operation canopy of construction is built in room |
| CN211421790U (en) * | 2019-09-24 | 2020-09-04 | 陈晨晨 | Portable building platform who facilitates use |
| CN214246705U (en) * | 2021-01-11 | 2021-09-21 | 邵军标 | Detachable protection operation shed for building construction |
| CN217151342U (en) * | 2022-03-14 | 2022-08-09 | 中国建筑第二工程局有限公司 | Safety device for construction |
-
2021
- 2021-10-12 CN CN202111187379.8A patent/CN113775213B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0304518A1 (en) * | 1987-02-19 | 1989-03-01 | Speedy Gantry Hire Pty. Ltd. | Improvements to scaffolding |
| US20110220596A1 (en) * | 2009-03-20 | 2011-09-15 | Northern States Metals Company | Support system for solar panels |
| CN210049385U (en) * | 2019-05-15 | 2020-02-11 | 梁建威 | Detachable design protection operation canopy of construction is built in room |
| CN211421790U (en) * | 2019-09-24 | 2020-09-04 | 陈晨晨 | Portable building platform who facilitates use |
| CN214246705U (en) * | 2021-01-11 | 2021-09-21 | 邵军标 | Detachable protection operation shed for building construction |
| CN217151342U (en) * | 2022-03-14 | 2022-08-09 | 中国建筑第二工程局有限公司 | Safety device for construction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182606A (en) * | 2022-07-08 | 2022-10-14 | 江西中一建工集团有限公司 | Detachable design protection operation canopy of construction is built in room |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113775213B (en) | 2022-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113775213B (en) | Detachable design protection operation canopy of construction is built in room | |
| CN109339425B (en) | Supporting platform for building construction and installation method thereof | |
| CN109098472B (en) | Building girder steel and steel-pipe pile combined supporting structure | |
| CN213597644U (en) | Adjustable rail guard of construction usefulness is built in room | |
| CN113445725B (en) | High-altitude operation steel platform for super high-rise refuge room and implementation method thereof | |
| CN210828466U (en) | Multifunctional outdoor enclosure corridor frame facility | |
| CN210828248U (en) | Assembly beam structure for assembly building | |
| CN216713838U (en) | Beam bottom supporting and jacking device capable of being rapidly installed and disassembled | |
| CN219863291U (en) | Various combination formula rack | |
| CN216865888U (en) | Novel building scaffold fastener structure | |
| CN211899564U (en) | Shaped steel scaffold frame of encorbelmenting | |
| CN211850230U (en) | Curtain wall structure with buffer function | |
| CN215760321U (en) | Cantilever device for building engineering construction | |
| CN220058310U (en) | Assembled steel structure frame | |
| CN220285016U (en) | Steel frame convenient to install fast | |
| CN220434334U (en) | Steel structure supporting upright post for assembled building | |
| CN209129409U (en) | Architectural engineering Vierendeel girder bracing means | |
| CN219080939U (en) | Building construction hanging basket with good stability | |
| CN215564255U (en) | Detachable portable assembly type structure externally-suspended scaffold | |
| CN217028203U (en) | Side-mounted adjustable telescopic tool type guardrail | |
| CN219863343U (en) | Building site protection canopy | |
| CN217537311U (en) | Light steel structural component for architectural design | |
| CN218683192U (en) | Wood bed with suspension tenon fourth of twelve earthly branches structure | |
| CN219219754U (en) | Construction carrying frame | |
| CN219622195U (en) | Steel scaffold for constructional engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |