CN219261787U - Discharging platform convenient to disassemble and assemble - Google Patents
Discharging platform convenient to disassemble and assemble Download PDFInfo
- Publication number
- CN219261787U CN219261787U CN202320124415.4U CN202320124415U CN219261787U CN 219261787 U CN219261787 U CN 219261787U CN 202320124415 U CN202320124415 U CN 202320124415U CN 219261787 U CN219261787 U CN 219261787U
- Authority
- CN
- China
- Prior art keywords
- flat plate
- rod
- rods
- straight
- face
- 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.)
- Active
Links
- 238000007599 discharging Methods 0.000 title abstract description 8
- 238000009434 installation Methods 0.000 claims description 7
- 239000004566 building material Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/56—Reuse, recycling or recovery technologies of vehicles
Landscapes
- Handcart (AREA)
Abstract
The utility model relates to the field of discharging platforms, and effectively solves the problems of complicated disassembly and assembly and unstable fixation; the technical scheme is that the unloading platform convenient to disassemble and assemble comprises two support rods which are arranged left and right in the length direction, wherein the two support rods are arranged front and back, and a flat plate is arranged between the two support rods; the upper end face of each supporting rod is provided with a groove, the length direction of the groove is distributed left and right, rectangular blocks are respectively fixed on the front side and the rear side of the lower end face of each flat plate, a straight rod is respectively arranged on the front side and the rear side of the lower end face of each flat plate, a row of counter bores are respectively arranged on the adjacent inner side faces of the two supporting rods, and the right side of the lower end face of each flat plate is hinged with a swinging rod; according to the utility model, the flat plate is arranged in the sinking groove through the rectangular block, so that the straight rod is sequentially and easily arranged in the counter bore by the flat plate, and the flat plate and the support rod are fixed together and are firmly fixed; and the right-most flat plate is fixed by the pin shaft and the pin shaft is opened, so that the flat plate can be mounted and dismounted, and the operation is simple and convenient.
Description
Technical Field
The utility model relates to the field of discharging platforms, in particular to a discharging platform convenient to assemble and disassemble.
Background
In the building construction process, a discharging platform is needed, when building materials are needed to be transported into a building, the building materials are placed on the discharging platform through a tower crane, then the building materials are transported into the building by a building worker, when the building materials are needed to be transported out of the building, the building materials are transported onto the discharging platform by the building worker, and then the building materials are hoisted out of the building by the tower crane;
when the unloading platform is installed and disassembled, two forms exist, one of the forms is a general welding structure of the base, the main beam and the secondary beam, the whole size is large and heavy, and the defects of inconvenient installation and transportation are caused; the other type is a detachable type, and the main beam and the base are fixed together through bolts or pins, however, the assembly and the disassembly are complicated, and the working efficiency is affected;
the prior art solutions, such as the patent issued with publication number CN202544410U, are easily inserted into the slot by means of the wedge-shaped blocks 6 during installation and are clamped to each other under the effect of gravity. During disassembly, the secondary beam 2 can be easily taken out from the clamping groove by separating the mutually matched inclined planes through reverse acting force, the secondary beam 2 can be conveniently assembled and disassembled in the mode, but is only inserted into the slot through the wedge block 6, the secondary beam 2 can not be stably fixed by being stirred upwards and is easy to be dangerous, after the wedge block 6 is inserted into the slot, the wedge block 6 is mutually clamped under the action of a heavy object, friction between the wedge block 6 and the slot is increased, and the main beam and the secondary beam are not easy to separate when the secondary beam is disassembled.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the unloading platform convenient to disassemble and assemble, and the problems of complicated disassembly and assembly and unstable fixation are effectively solved.
The technical scheme is that the unloading platform convenient to disassemble and assemble comprises two support rods which are arranged left and right in the length direction, wherein the two support rods are arranged front and back, and a row of flat plates which are uniformly distributed left and right are arranged between the two support rods;
a row of grooves which are uniformly distributed left and right are formed in the upper end face of each supporting rod, the lengths of the grooves are distributed left and right in the direction, rectangular blocks which are distributed left and right are respectively fixed on the front side and the rear side of the lower end face of the flat plate, and the rectangular blocks on the corresponding sides are arranged in the grooves on the supporting rods on the corresponding sides;
the front side and the rear side of the lower end face of each flat plate are respectively provided with a straight rod which is arranged front and back, the straight rods can be close to and far away from each other in the front-back direction and always bear the force of being close to each other, a row of counter bores which are uniformly distributed left and right are respectively formed on the adjacent inner side faces of the two support rods, the front counter bores and the rear counter bores correspond front and back, and when the flat plates are arranged on the support rods, and the two straight rods on the flat plates are far away from each other, the straight rods on the corresponding sides can be arranged in the corresponding counter bores on the support rods;
the right side of the lower end surface of each flat plate is hinged with a left swing rod and a right swing rod, the swing rods can swing up and down, the right end of each swing rod is always subjected to upward swinging force, and when the swing rods swing down, the swing rods enable two straight rods on the flat plates to be placed in corresponding counter bores;
the plates are sequentially arranged on the support rod from left to right, after the installation of the next plate is completed, the lower end surface of the next plate presses down the right end of the swing rod at the lower side of the previous plate, so that a straight rod at the lower side of the previous plate is placed in the counter bore, and the previous plate is fixed on the support rod; when the flat plate positioned on the right side is separated from the supporting rod, the straight rods on the lower sides of the adjacent left flat plates are close to each other, and the adjacent left flat plates can be separated from the supporting rod.
Four supporting blocks which are arranged front and back are fixed on the lower end face of the flat plate, the two supporting blocks at the front side and the two supporting blocks at the rear side are symmetrical relative to the flat plate, a straight rod at the front side is arranged on the two supporting blocks at the front side, a straight rod at the rear side is arranged on the two supporting blocks at the rear side, a spring is sleeved on each straight rod, one end of the spring is fixed on one supporting block at the corresponding side, the other end of the spring is fixed on the straight rod, and the spring applies a force to the straight rods, which are close to each other;
the straight rod is inclined downwards away from the inner side end surface of the supporting rod;
the hinged position of the swing rod is positioned in the middle of the swing rod, a torsion spring is arranged at the hinged position of the swing rod, the right end of the swing rod swings upwards by the torsion spring, and the right end of the swing rod swings downwards to enable the left end of the swing rod to be in inclined surface contact with the inner side end surface on the straight rod.
The straight rod and the swing rod are removed from the lower side of the rightmost flat plate, and a limiting hole is formed in the front end face and the rear end face of the rightmost flat plate respectively;
the right ends of the upper end surfaces of the two support rods are respectively fixed with a fixed block, the front end surface and the rear end surface of the fixed block are provided with through holes, pin shafts are inserted into the through holes, and the pin shafts can be placed in the limiting holes after moving inwards;
the pin shaft is sleeved with a spring, one end of the spring is fixed on the fixed block, the other end of the spring is fixed on the pin shaft, and the spring applies an inward force to the pin shaft.
The left end face and the right end face of the rectangular block are chamfered.
The upper end faces of the two support rods are fixedly provided with a row of vertical rods which are arranged left and right and are vertically placed, and the upper ends of the vertical rods are fixedly connected through a cross rod.
According to the utility model, the flat plate is placed in the sinking groove through the rectangular block, so that the flat plate cannot move in the front-back and left-right directions, and is placed in the counter bore through the straight rod, so that the flat plate is fixed on the support rod and cannot move in the up-down direction, and the flat plate and the support rod are fixed together and are firmly fixed; the flat plates are placed on the supporting rods in sequence from left to right, and the rightmost flat plate is fixed by the pin shafts, so that the flat plates can be installed and fixed without excessive operations; the pin shafts are opened, so that the flat plate can be taken down from the support rods from right to left in sequence, and the operation is simple and convenient.
Drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a left side view of the present utility model.
Fig. 3 is a top view of the present utility model.
Fig. 4 is a perspective view of the support bar of the present utility model.
Fig. 5 is an enlarged perspective view of the flat plate and the straight rod of the present utility model.
Fig. 6 is an enlarged perspective view of the flat plate, straight bar and swing bar of the present utility model.
Detailed Description
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, the utility model comprises two support rods 1 which are arranged left and right in the length direction, wherein the two support rods 1 are arranged back and forth, and a row of flat plates 2 which are uniformly distributed left and right are arranged between the two support rods 1;
a row of grooves 3 which are uniformly distributed left and right are formed in the upper end face of each support rod 1, the grooves 3 are distributed left and right in the length direction, rectangular blocks 4 which are distributed left and right are respectively fixed on the front side and the rear side of the lower end face of the flat plate 2, and the rectangular blocks 4 on the corresponding side are arranged in the grooves 3 on the support rods 1 on the corresponding side;
the front side and the rear side of the lower end face of each flat plate 2 are respectively provided with a straight rod 5 which is arranged front and back, the straight rods 5 can be close to and far away from each other in the front-back direction and are always subjected to the force of being close to each other, the adjacent inner side faces of the two support rods 1 are respectively provided with a row of counter bores 6 which are uniformly distributed left and right, the front counter bores 6 and the rear counter bores 6 are corresponding to each other, when the flat plates 2 are arranged on the support rods 1, and the two straight rods 5 on the flat plates 2 are far away from each other, the straight rods 5 on the corresponding sides can be placed in the corresponding counter bores 6 on the support rods 1;
the right side of the lower end surface of each flat plate 2 is hinged with a left-right placed swing rod 7, the swing rod 7 can swing up and down, the right end of the swing rod 7 is always subjected to upward swinging force, and when the swing rod 7 swings down, the swing rod 7 enables two straight rods 5 on the flat plates 2 to be placed in corresponding counter bores 6;
the flat plates 2 are sequentially arranged on the support rod 1 from left to right, after the installation of the next flat plate 2 is completed, the lower end surface of the next flat plate 2 presses down the right end of the swing rod 7 at the lower side of the previous flat plate 2, so that the straight rod 5 at the lower side of the previous flat plate 2 is placed in the counter bore 6, and the previous flat plate 2 is fixed on the support rod 1; when the right flat plate 2 is separated from the support rod 1, the straight rods 5 at the lower sides of the adjacent left flat plates 2 are close to each other, and the adjacent left flat plates 2 can be separated from the support rod 1.
Four supporting blocks 8 which are arranged front and back are fixed on the lower end face of the flat plate 2, the two supporting blocks 8 at the front side and the two supporting blocks 8 at the rear side are symmetrical relative to the flat plate 2, the straight rod 5 at the front side is arranged on the two supporting blocks 8 at the front side, the straight rod 5 at the rear side is arranged on the two supporting blocks 8 at the rear side, a spring is sleeved on each straight rod 5, one end of the spring is fixed on one supporting block 8 at the corresponding side, the other end of the spring is fixed on the straight rod 5, and the spring gives a force close to each other to the straight rod 5;
the inner end surface of the straight rod 5 far away from the supporting rod 1 is inclined downwards;
the hinged position of the swing rod 7 is positioned in the middle of the swing rod 7, a torsion spring is arranged at the hinged position of the swing rod 7, the right end of the swing rod 7 swings upwards by the torsion spring, and the right end of the swing rod 7 swings downwards to enable the left end of the swing rod 7 to be in inclined surface contact with the inner side end surface on the straight rod 5;
when the right end of the swing rod 7 swings downwards, the left end of the swing rod 7 enables the two straight rods 5 on the lower side of the same flat plate 2 to be away from each other through the inclined surface on the inner side of the straight rods 5, and the straight rods 5 are inserted into the counter bores 6 of the support rods 1.
The straight rod 5 and the swing rod 7 are removed from the lower side of the rightmost flat plate 2, and a limiting hole is respectively formed in the front end face and the rear end face of the rightmost flat plate 2;
the right ends of the upper end surfaces of the two support rods 1 are respectively fixed with a fixed block 9, the front end surface and the rear end surface of the fixed block 9 are provided with through holes, pin shafts 10 are inserted into the through holes, and the pin shafts 10 can be placed in the limiting holes in an inward moving mode;
the pin 10 is sleeved with a spring, one end of the spring is fixed on the fixed block 9, the other end of the spring is fixed on the pin 10, and the spring applies an inward force to the pin 10.
Chamfering the left end face and the right end face of the rectangular block 4;
when the rectangular block 4 moves into the sink, it is easier to place the rectangular block 4 into the sink.
A row of vertical rods 11 which are arranged left and right and are vertically arranged are fixed on the upper end surfaces of the two support rods 1, and the upper ends of the vertical rods 11 are fixedly connected through a cross rod 12.
Before the utility model is used, the two support rods 1 are separated from the flat plate 2, the two straight rods 5 are mutually close under the action of the spring, and the right end of the swing rod 7 swings upwards under the action of the torsion spring;
when the utility model is used, the two support rods 1 are placed front and back, and then the flat plate 2 is sequentially arranged between the two support rods 1 from left to right; when the flat plate 2 is placed, the rectangular block 4 at the lower end of the flat plate 2 is placed in a sinking groove on the flat plate 2, and the sinking groove prevents the flat plate 2 from moving in the front-back and left-right directions through the rectangular block 4;
when the flat plates 2 are sequentially arranged on the two support rods 1 from left to right, after the next flat plate 2 is placed, the lower end face of the next flat plate 2 presses down the right end of the swing rod 7 at the lower side of the previous flat plate 2, so that the left end of the swing rod 7 at the lower side of the previous flat plate 2 swings upwards to push the straight rods 5 to be far away from each other through the inclined plane, the straight rods 5 at the two sides are placed in the counter bores 6 on the support rods 1 at the corresponding sides, the previous flat plate 2 is fixed with the support rods 1, and the flat plate 2 cannot move up and down to be separated from the support rods 1;
after the last flat plate 2 is placed, the pin shafts 10 on the two support rods 1 are placed in the limit holes on the front side and the rear side of the last flat plate 2, the last flat plate 2 is fixed, all the flat plates 2 are completely fixed at the moment, the problem that any one flat plate 2 is separated from the support rods 1 is avoided, and the flat plate can be used later;
the vertical rods 11 and the transverse rods 12 are arranged vertically and horizontally, so that a protective effect is achieved, and the problem that dangers occur when workers fall down when walking on the flat plate 2 can be solved;
when the flat plate is required to be disassembled, only the pin shaft 10 is required to be removed, firstly the rightmost flat plate 2 is removed, after the flat plate 2 positioned on the right side is removed, the swinging rods 7 on the adjacent left flat plate 2 are not subjected to downward force, the swinging rods 7 swing upwards on the right side under the action of the torsion springs, the left side of the swinging rods 7 does not squeeze the inclined surfaces on the straight rods 5, the two straight rods 5 on the lower side of the flat plate 2 are mutually close under the action of the springs, the straight rods 5 are separated from the counter bores 6, and the flat plate 2 can be removed; and then the flat plate 2 is completely removed from the right to the left at a time.
1. According to the utility model, the flat plate 2 is placed in the sinking groove through the rectangular block 4, so that the flat plate 2 cannot move forwards and backwards and leftwards and rightwards, and the flat plate 2 is sequentially arranged on the support rod 1 from left to right, so that the straight rod 5 positioned at the left side is placed in the counter bore 6, the flat plate 2 is fixed on the support rod 1, the flat plate 2 and the support rod 1 are fixed together after the installation is finished, any flat plate 2 cannot be easily moved upwards and removed, the fixation is firm, and the danger of the flat plate 2 being moved out and moved during construction can be prevented.
1. According to the utility model, the flat plates 2 are placed on the support rods 1 in sequence from left to right, and only the pin shafts 10 are needed to fix the rightmost flat plates 2, so that the flat plates 2 can be installed and fixed without excessive operations; also by opening the pin shafts 10, the flat plate 2 can be easily taken down from the support rod 1 from right to left in turn; the whole installation and disassembly process is simple and convenient to operate, and is not used for disassembling the bolts or solving the problem of clamping.
Claims (5)
1. The unloading platform convenient to disassemble and assemble is characterized by comprising two support rods (1) which are arranged left and right in the length direction, wherein the two support rods (1) are arranged front and back, and a row of flat plates (2) which are uniformly distributed left and right are arranged between the two support rods (1);
a row of grooves (3) which are uniformly distributed left and right are formed in the upper end face of each supporting rod (1), the grooves (3) are distributed left and right in the length direction, rectangular blocks (4) are respectively and fixedly arranged on the front side and the rear side of the lower end face of the flat plate (2), and the rectangular blocks (4) on the corresponding side are arranged in the grooves (3) on the supporting rods (1) on the corresponding side;
the front side and the rear side of the lower end face of each flat plate (2) are respectively provided with a straight rod (5) which is arranged front and back, the straight rods (5) can be close to and far away from each other in the front-back direction and always receive the force of being close to each other, a row of counter bores (6) which are uniformly distributed left and right are respectively formed on the adjacent inner side faces of the two support rods (1), the front counter bores and the rear counter bores (6) correspond front and back, when the flat plates (2) are arranged on the support rods (1), and when the two straight rods (5) on the flat plates (2) are far away from each other, the straight rods (5) on the corresponding sides can be placed in the corresponding counter bores (6) on the support rods (1);
the right side of the lower end surface of each flat plate (2) is hinged with a left-right placed swing rod (7), the swing rod (7) can swing up and down, the right end of the swing rod (7) is always subjected to upward swinging force, and when the swing rod (7) swings down, the swing rod (7) enables two straight rods (5) on the flat plates (2) to be placed in corresponding counter bores (6);
the flat plates (2) are sequentially arranged on the supporting rod (1) from left to right, after the installation of the next flat plate (2) is completed, the lower end face of the next flat plate (2) presses down the right end of the swing rod (7) at the lower side of the previous flat plate (2), so that the straight rod (5) at the lower side of the previous flat plate (2) is arranged in the counter bore (6), and the previous flat plate (2) is fixed on the supporting rod (1); when the flat plate (2) positioned on the right side is separated from the supporting rod (1), the straight rods (5) on the lower sides of the adjacent flat plates (2) on the left side are close to each other, and the adjacent flat plates (2) on the left side can be separated from the supporting rod (1).
2. The unloading platform convenient to disassemble and assemble according to claim 1, wherein four supporting blocks (8) which are arranged front and back are fixed on the lower end face of the flat plate (2), the two supporting blocks (8) at the front side and the two supporting blocks (8) at the rear side are symmetrical with respect to the flat plate (2), the straight rod (5) at the front side is arranged on the two supporting blocks (8) at the front side, the straight rod (5) at the rear side is arranged on the two supporting blocks (8) at the rear side, a spring is sleeved on each straight rod (5), one end of the spring is fixed on one supporting block (8) at the corresponding side, the other end of the spring is fixed on the straight rod (5), and the spring applies a force to the straight rods (5) which are close to each other;
the inner end surface of the straight rod (5) far away from the supporting rod (1) is inclined downwards;
the hinged position of the swing rod (7) is positioned in the middle of the swing rod (7), a torsion spring is arranged at the hinged position of the swing rod (7), the right end of the swing rod (7) swings upwards through the torsion spring, and the right end of the swing rod (7) swings downwards to enable the left end of the swing rod (7) to be in inclined surface contact with the inner side end face on the straight rod (5).
3. The unloading platform convenient to disassemble and assemble is characterized in that a straight rod (5) and a swinging rod (7) are removed from the lower side of the rightmost flat plate (2), and a limiting hole is respectively formed in the front end face and the rear end face of the rightmost flat plate (2);
the right ends of the upper end surfaces of the two support rods (1) are respectively fixed with a fixed block (9), the front end surface and the rear end surface of the fixed block (9) are provided with through holes, pin shafts (10) are inserted into the through holes, and the pin shafts (10) can be placed in the limiting holes after moving inwards;
the pin shaft (10) is sleeved with a spring, one end of the spring is fixed on the fixed block (9), the other end of the spring is fixed on the pin shaft (10), and the spring gives an inward force to the pin shaft (10).
4. The unloading platform convenient to disassemble and assemble according to claim 1, wherein the left end face and the right end face of the rectangular block (4) are chamfered.
5. The unloading platform convenient to disassemble and assemble according to claim 1, wherein a row of vertical rods (11) which are arranged left and right and are vertically arranged are fixed on the upper end faces of the two support rods (1), and the upper ends of the vertical rods (11) are fixedly connected through a cross rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320124415.4U CN219261787U (en) | 2023-01-18 | 2023-01-18 | Discharging platform convenient to disassemble and assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320124415.4U CN219261787U (en) | 2023-01-18 | 2023-01-18 | Discharging platform convenient to disassemble and assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219261787U true CN219261787U (en) | 2023-06-27 |
Family
ID=86855950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320124415.4U Active CN219261787U (en) | 2023-01-18 | 2023-01-18 | Discharging platform convenient to disassemble and assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219261787U (en) |
-
2023
- 2023-01-18 CN CN202320124415.4U patent/CN219261787U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190078340A1 (en) | Formwork for performing castings for providing floor slabs | |
| CN219261787U (en) | Discharging platform convenient to disassemble and assemble | |
| KR101066577B1 (en) | A supporting apparatus of a large impeller for assembling and disassembling | |
| CN209723016U (en) | A foundation structure for tower crane | |
| CN102990605A (en) | Pin puller | |
| CN213976614U (en) | Special supplementary hoist device of construction | |
| CN210396119U (en) | Aluminum die dismounting structure | |
| KR20120130560A (en) | Block hight difference Adjustment jig | |
| CN209941505U (en) | Asymmetric loading pre-compaction device of basket is hung in construction of bridge cantilever pouring | |
| CN112224922A (en) | Automatic loading device for strip-shaped aluminum profiles | |
| CN215167974U (en) | Aluminum alloy template erection joint spare and combination formula aluminum alloy template | |
| CN220903192U (en) | Frock is dismantled to bulldozer compensating beam center pin axle | |
| CN218819455U (en) | Bracket component of granulator | |
| CN113428776B (en) | Crane beam | |
| CN219542906U (en) | Casting slag plate trunnion positioning device | |
| CN201056835Y (en) | Steel face combined plane template | |
| CN216298553U (en) | Rolling mill slide adds clamping apparatus | |
| CN218264885U (en) | Attached type lifting scaffold protective net | |
| CN214006643U (en) | Truss support structure | |
| CN212984355U (en) | Steel structure box column | |
| CN109262820A (en) | A kind of Side turning machine | |
| CN211619766U (en) | Portal frame fixing device | |
| CN218362896U (en) | Front stiffening beam assembly-gear lever welding tool | |
| CN203603471U (en) | Combined stair step formwork supporting device for hoisting | |
| CN215433470U (en) | Adjustable disassembling tool special for bearing and small coupler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |