CN219715809U - Communication optical fiber distribution frame - Google Patents
Communication optical fiber distribution frame Download PDFInfo
- Publication number
- CN219715809U CN219715809U CN202321041405.0U CN202321041405U CN219715809U CN 219715809 U CN219715809 U CN 219715809U CN 202321041405 U CN202321041405 U CN 202321041405U CN 219715809 U CN219715809 U CN 219715809U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- clamping
- distribution frame
- frame
- fiber distribution
- 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
- 239000013307 optical fiber Substances 0.000 title claims abstract description 80
- 238000009434 installation Methods 0.000 claims abstract description 37
- 230000003287 optical effect Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- 230000003044 adaptive effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 abstract 3
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a communication optical fiber distribution frame, which comprises a communication optical fiber distribution frame main body, wherein the communication optical fiber distribution frame main body comprises a main frame body, a connecting plate, a wire insertion hole and an adaptive installation box, the connecting plate is integrally formed on the side surface of the main frame body, the wire insertion hole is arranged at the tail end of the main frame body, and the adaptive installation box is clamped and installed on the front surface of the main frame body; through designing dismouting mechanism, can be when the installation communication optic fibre distribution frame main part uses, pass through screw fixed mounting with the draw-in groove body and at external distribution machine incasement side, the connecting plate slides the inside that makes the cardboard block at the draw-in groove body at the surface of draw-in groove body, and communication optic fibre distribution frame main part block installation, loosen the shifting block after the block installation, take place the effect of deformation through the spring with the link at the surface slip of fixed slide bar, and the tip block of driving the card body when link elastic movement is in the inside of draw-in hole, and be convenient for strengthen fixed mounting with connecting plate and communication optic fibre distribution frame main part.
Description
Technical Field
The utility model belongs to the technical field of distribution frames, and particularly relates to a communication optical fiber distribution frame.
Background
The communication optical fiber is a cable core formed by a certain number of optical fibers in a certain mode, a sheath is wrapped outside the cable core, an outer sheath is wrapped outside the cable core for realizing a communication line for transmitting optical signals, wiring is needed to be installed when the optical cable is installed between the optical cable and optical communication equipment, the existing distribution frame is wiring connection equipment between the optical cable and the optical communication equipment or between the optical communication equipment, the optical fiber distribution frame is used for forming and distributing a local-end main optical cable in an optical fiber communication system, connection, distribution and scheduling of the optical fiber line can be conveniently realized, the dismounting operation of the communication optical fiber distribution frame is facilitated, and the convenience of dismounting and overhauling operation of the communication optical fiber distribution frame during installation and use is improved;
when the communication optical fiber is installed on the existing distribution frame, the distribution frame is directly fixedly installed inside a distribution cabinet, and the external communication optical fiber is connected by the distribution frame for installation and use, so that the distribution frame is directly fixedly installed inside the distribution cabinet through bolts when installed, and is dismounted and operated by means of external dismounting tools when installed and used, and the communication optical fiber distribution box is used for a long time after being installed, heat is generated until the wire heads are overheated and aged and damaged, the quick dismounting and overhaul operation of the distribution frame is inconvenient, and the problem of dismounting convenience of the communication optical fiber distribution frame during overhaul operation after installation is affected is solved, and therefore the communication optical fiber distribution frame is provided.
Disclosure of Invention
The utility model aims to provide a communication optical fiber distribution frame, which solves the problems that in the prior art, the distribution frame is fixedly arranged in a power distribution cabinet through bolts, and is dismounted by means of external dismounting tools when the communication optical fiber distribution cabinet is mounted and used, and when the communication optical fiber distribution cabinet is used for a long time after being mounted and generates heat until the wire ends are overheated, aged and damaged, the quick dismounting and the maintenance operation of the distribution frame are inconvenient, and the dismounting convenience of the communication optical fiber distribution frame during the overhaul operation after being mounted is affected.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a communication optical fiber distribution frame, includes communication optical fiber distribution frame main part, communication optical fiber distribution frame main part includes body frame body, connecting plate, plug wire hole and adaptation mounting box, connecting plate integrated into one piece is in the side of body frame body, the plug wire hole sets up the tail end at the body frame body, the front surface at the body frame body is installed to the adaptation mounting box block, still be provided with in the communication optical fiber distribution frame main part:
the dismounting mechanism comprises a clamping assembly and a compacting assembly, and is arranged on the lower surface of the connecting plate;
the compressing and anti-disengaging mechanism comprises a mounting assembly, a movable adjusting assembly and a compressing and mounting assembly, and is arranged at the tail end of the main frame body.
Preferably, the clamping assembly comprises a clamping groove body arranged on the lower surface of the connecting plate and a clamping plate integrally formed at the middle position of the lower surface of the connecting plate, and the connecting plate is connected with the clamping groove body through clamping of the clamping plate.
Preferably, the compressing assembly comprises a first groove formed in the inner side of one end of the clamping groove body, a fixed sliding rod is fixedly arranged in the first groove, a connecting frame is arranged at the end part of the fixed sliding rod, a spring is sleeved on the outer surface of the fixed sliding rod on one side of the connecting frame, the clamping body is fixedly arranged at the end part of the connecting frame through a screw, a clamping hole is formed in one side of the end part of the clamping plate, a shifting block is slidably connected to the lower surface of the clamping groove body, and the shifting block is fixedly connected with the end part of the connecting frame through the screw.
Preferably, the connecting frame is in sliding connection with the outer surface of the fixed slide bar, and the clamping body and the fixed slide bar are in elastic connection with the spring through the connecting frame.
Preferably, the clamping hole and the clamping plate are of an integrated structure, and the end part of the clamping body is matched with the inner structure of the clamping hole.
Preferably, the installation component includes the protection casing through screw fixed mounting at main frame body tip, three through wires holes have been seted up on the surface of protection casing.
Preferably, the movable adjusting assembly comprises a second groove formed in two ends of the threading hole, a screw rod is rotatably connected in the second groove, a movable frame is arranged on the outer surface of the screw rod, and a hand wheel is arranged at the end part of the screw rod.
Preferably, the compacting and mounting assembly comprises compacting plates fixedly mounted at the end part of the movable frame through screws, and the two compacting plates are symmetrically arranged.
Compared with the prior art, the utility model has the beneficial effects that:
through designing dismouting mechanism, can be when the installation communication optical fiber distribution frame main part uses, pass through screw fixed mounting with the draw-in groove body and at external distribution machine incasement side, the connecting plate slides the inside that makes the cardboard block at the draw-in groove body at the surface of draw-in groove body, and communication optical fiber distribution frame main part block installation, loosen the shifting block after the block installation, the effect of taking place deformation through the spring slides the link at the surface of fixed slide bar, and the tip block of driving the card body when link elastic movement is in the inside of draw-in hole, and be convenient for strengthen fixed mounting with connecting plate and communication optical fiber distribution frame main part, consequently, use communication optical fiber distribution frame main part inside overheated to the ageing damage of end of a thread for a long time, can reverse operation dismantle communication optical fiber distribution frame main part quick access use, and improve communication optical fiber distribution frame main part during installation communication optical fiber distribution frame use dismouting operation's convenience.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view of a connecting plate, a clamping groove body and a clamping plate according to the present utility model;
FIG. 3 is an enlarged schematic view of the portion A of FIG. 2 according to the present utility model;
fig. 4 is a schematic view of a local structure of a wire insertion hole, a protective cover and a main frame body according to the present utility model;
FIG. 5 is an enlarged schematic view of the portion B of FIG. 4 according to the present utility model;
in the figure: 100. a communication optical fiber distribution frame body; 101. a main frame body; 102. a connecting plate; 1021. a clamping groove body; 1022. a clamping plate; 1023. a clamping hole; 1024. a groove I; 1025. a card body; 1026. a connecting frame; 1027. a spring; 1028. fixing the slide bar; 1029. a shifting block; 103. a plug wire hole; 1031. a protective cover; 1032. a threading hole; 1033. a screw rod; 1034. a hand wheel; 1035. a second groove; 1036. a moving rack; 1037. a pressing plate; 104. and (5) adapting to the mounting box.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a communication optical fiber distribution frame, including communication optical fiber distribution frame main part 100, communication optical fiber distribution frame main part 100 includes the body 101, connecting plate 102, plug wire hole 103 and adaptation mounting box 104, connecting plate 102 integrated into one piece is in the side of body 101, plug wire hole 103 sets up the tail end at body 101, adaptation mounting box 104 block is installed at body 101's front surface, when communication optical fiber distribution frame main part 100 fixed mounting uses, when this moment with communication optical fiber distribution frame main part 100 fixed mounting uses at the internally mounted of distribution box, with adaptation mounting box 104 and external optical fiber cable block, and the main line runs through the inside of through wire hole 1032 with the tip block of main cable at plug wire hole 103 use, and be convenient for install communication optical fiber use at communication optical fiber distribution frame main part 100 block installation, still be provided with on the communication optical fiber distribution frame main part 100:
the disassembly and assembly mechanism comprises a clamping assembly and a compressing assembly, the disassembly and assembly mechanism is arranged on the lower surface of the connecting plate 102, the disassembly and assembly operation of the communication optical fiber distribution frame main body 100 can be facilitated through the disassembly and assembly mechanism, the inside overhaul and the use are easy to realize quick disassembly and assembly, and the convenience of the quick disassembly and assembly and the overhaul of the communication optical fiber distribution frame main body 100 in use is improved.
In order to facilitate the clamping installation of the communication optical fiber distribution frame main body 100 during the installation and the use through the clamping assembly, and facilitate the clamping installation and fixation, in this embodiment, preferably, the clamping assembly comprises a clamping groove body 1021 arranged on the lower surface of the connecting plate 102 and a clamping plate 1022 integrally formed at the middle position of the lower surface of the connecting plate 102, and the connecting plate 102 and the clamping groove body 1021 are in clamping connection through the clamping plate 1022, so that after the clamping groove body 1021 is fixedly installed, the clamping plate 1022 is clamped in the clamping groove body 1021 to clamp the communication optical fiber distribution frame main body 100, and the installation and the use are facilitated.
In order to strengthen the fastening after being convenient for install the connecting plate 102 block through sticiss the subassembly, and strengthen fixed use after being convenient for install the block, in this embodiment, preferably, sticiss the subassembly including seting up recess one 1024 in draw-in groove body 1021 one end inboard, the inside fixed mounting of recess one 1024 has fixed slide bar 1028, fixed slide bar 1028's tip is provided with link 1026, one side of link 1026 is located fixed slide bar 1028's surface nest and installs spring 1027, pass through spring 1027 with link 1026 elastic connection at fixed slide bar 1028's surface, and be convenient for elasticity sticiss the installation, and pass through the card body 1025 of screw fixed mounting at link 1026 tip, can drive card body 1025 elastic snap fit installation when link 1026 elastic connection, card hole 1023 has been seted up to tip one side of card body 1025 block at the inside reinforcing of card hole 1023 to connecting plate 102 and communication optical fiber distribution frame main part 100, and strengthen fixedly, simple to operate, on the contrary, the lower surface sliding connection of draw-in groove body 1021 has plectrum 1029, and the end of plectrum 1029 and link are convenient for dismantle maintenance use, and the adjustment screw 1029 is convenient for use through fixed connection to drive the jack 1026, and the adjustment screw 1029 is convenient for use.
In order to be convenient for pass through spring 1027 elastic connection with link 1026 and card body 1025 at the surface of fixed slide bar 1028, and be convenient for elasticity sticiss the installation, in this embodiment, preferably, link 1026 and the surface of fixed slide bar 1028 are sliding connection, and card body 1025 and fixed slide bar 1028 pass through link 1026 and spring 1027 elastic connection, be convenient for sticiss the block with card body 1025 elastic connection and use, in order to be convenient for consolidate the installation with connecting plate 102 block after the installation, and be convenient for fixed mounting use, card hole 1023 and cardboard 1022 are integrated into one piece structure, and the tip of card body 1025 is identical with the inner structure of card hole 1023, consolidate the installation with card body 1025 elastic movement block in the inside of card hole 1023 with connecting plate 102 block installation after the use.
The pressing and anti-disengaging mechanism comprises a mounting assembly, a movable adjusting assembly and a pressing and mounting assembly, and is arranged at the tail end of the main frame body 101, so that tightness in mounting of the main cable and the communication optical fiber distribution frame body 100 can be enhanced through the pressing and anti-disengaging mechanism when the communication optical fiber is mounted after the communication optical fiber distribution frame body 100 is fixedly mounted, and the pressing and anti-disengaging mechanism is convenient to install and prevent from being used.
In order to be convenient for install behind the main cable and consolidate the installation through the installation component, and consolidate anticreep protection use, in this embodiment, preferably, the installation component includes the protection casing 1031 through screw fixed mounting at main frame 101 tip, three through wires hole 1032 has been seted up to the surface of protection casing 1031, can run through the main cable in the inside of through wires hole 1032 behind the closed protection of protection casing 1031 consolidates the anticreep protection, in order to be convenient for remove regulation movable frame 1036 and stiction board 1037 through removing the adjusting component, and be convenient for remove and stiction installation use, remove the adjusting component and including seting up recess two 1035 at the through wires hole 1032 both ends, the inside rotation of recess two 1035 is connected with lead screw 1033, the surface of lead screw 1033 is provided with movable frame 1036, and the hand wheel 1034 of setting up at the lead screw 1033 tip, easily hand-held hand wheel 1034 drives lead screw 1033 normal position rotation, and be convenient for rotate the regulation use, and remove movable frame 1036 when lead screw 1033 rotates and adjust.
In order to facilitate the compression installation of the main cable through the compression installation assembly and facilitate the compression and fixation, in this embodiment, preferably, the compression installation assembly includes compression plates 1037 fixedly installed at the end of the movable frame 1036 through screws, and the two compression plates 1037 are symmetrically arranged with each other, and when the movable frame 1036 moves, the compression plates 1037 are driven to move and compress.
The working principle and the using flow of the utility model are as follows: when the communication optical fiber distribution frame is used, firstly, fixed mounting is carried out, the clamping groove body 1021 can be fixedly mounted on the inner side surface of an external power distribution box through a screw, after the clamping groove body 1021 is fixedly mounted, the sliding shifting block 1029 drives the connecting frame 1026 and the clamping body 1025 to move into the inside, the connecting plate 102 slides on the outer surface of the clamping groove body 1021 to enable the clamping plate 1022 to be clamped in the clamping groove body 1021, the communication optical fiber distribution frame main body 100 is clamped and mounted in the power distribution box, the shifting block 1029 is loosened after the clamping and mounting, the connecting frame 1026 slides on the outer surface of the fixed sliding rod 1028 under the action of deformation of the spring 1027, the end part of the clamping body 1025 is clamped in the clamping hole 1023 when the connecting frame 1026 moves elastically, and the connecting plate 102 and the communication optical fiber distribution frame main body 100 are convenient to be fixedly mounted, so that the communication optical fiber distribution frame main body 100 can be quickly and fixedly mounted when the communication optical fiber distribution frame main body 100 is used, the communication optical fiber main body 100 is overheated to the inside for a long time, the inside of the communication optical fiber distribution frame main body 100 is damaged, the communication optical fiber main body 100 can be quickly detached and the communication optical fiber main body 100 is convenient to disassemble and mount and disassemble when the communication optical fiber main body 100 is used in the inside, and the communication optical fiber distribution frame is convenient to be mounted when the communication main body is used;
then when the communication optical fiber distribution frame main body 100 is used after being fixedly installed, at the moment, when the communication optical fiber distribution frame main body 100 is fixedly installed in the interior of a power distribution cabinet for use, the adaptive installation box 104 is clamped with an external optical fiber cable, a main line penetrates through the interior of the threading hole 1032, the end part of the main line cable is clamped in the interior of the wire insertion hole 103 for use, and the clamping installation of the communication optical fiber distribution frame main body 100 is convenient for installing the communication optical fiber for use;
finally, when the main cable runs through the inner installation of the threading hole 1032, the hand wheel 1034 can be held to drive the screw rod 1033 to rotate in situ, the moving frame 1036 and the pressing plate 1037 are driven to move when the screw rod 1033 rotates in situ, the pressing plate 1037 is pressed and fixed on the outer surface of the communication optical fiber, the main cable is convenient to be fixed in a reinforcing way when the main cable runs through the inner installation of the threading hole 1032, the main cable is not easy to loosen when the communication optical fiber distribution frame main body 100 is installed and pulled for use, the fastening and anti-falling protection is enhanced, and the fastening and anti-falling effect of the communication optical fiber distribution frame main body 100 is improved when the communication optical fiber is installed.
Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a communication optical fiber distribution frame, includes communication optical fiber distribution frame main part (100), communication optical fiber distribution frame main part (100) include body frame body (101), connecting plate (102), plug wire hole (103) and adaptation mounting box (104), connecting plate (102) integrated into one piece is in the side of body frame body (101), plug wire hole (103) set up the tail end at body frame body (101), the front surface at body frame body (101) is installed in adaptation mounting box (104) block, its characterized in that: the communication optical fiber distribution frame main body (100) is also provided with:
the dismounting mechanism comprises a clamping assembly and a compacting assembly, and is arranged on the lower surface of the connecting plate (102);
the compressing and anti-disengaging mechanism comprises a mounting assembly, a movable adjusting assembly and a compressing and mounting assembly, and is arranged at the tail end of the main frame body (101).
2. A communications optical fibre distribution frame according to claim 1, wherein: the clamping assembly comprises a clamping groove body (1021) arranged on the lower surface of the connecting plate (102) and a clamping plate (1022) integrally formed at the middle position of the lower surface of the connecting plate (102), and the connecting plate (102) is in clamping connection with the clamping groove body (1021) through the clamping plate (1022).
3. A telecommunications optical fiber distribution frame according to claim 2, wherein: the compression assembly comprises a first groove (1024) formed in the inner side of one end of a clamping groove body (1021), a fixed slide rod (1028) is fixedly arranged in the first groove (1024), a connecting frame (1026) is arranged at the end part of the fixed slide rod (1028), a spring (1027) is sleeved on the outer surface of the fixed slide rod (1028) on one side of the connecting frame (1026), a clamping body (1025) is fixedly arranged at the end part of the connecting frame (1026) through a screw, a clamping hole (1023) is formed in one side of the end part of the clamping plate (1022), a shifting block (1029) is slidably connected to the lower surface of the clamping groove body (1021), and the shifting block (1029) is fixedly connected with the end part of the connecting frame (1026) through the screw.
4. A telecommunications optical distribution frame according to claim 3, wherein: the connecting frame (1026) is in sliding connection with the outer surface of the fixed slide rod (1028), and the clamping body (1025) and the fixed slide rod (1028) are in elastic connection with the spring (1027) through the connecting frame (1026).
5. A telecommunications optical distribution frame according to claim 3, wherein: the clamping hole (1023) and the clamping plate (1022) are of an integrated structure, and the end part of the clamping body (1025) is matched with the inner structure of the clamping hole (1023).
6. A communications optical fibre distribution frame according to claim 1, wherein: the mounting assembly comprises a protective cover (1031) fixedly mounted at the end part of the main frame body (101) through screws, and three threading holes (1032) are formed in the surface of the protective cover (1031).
7. A telecommunications optical fiber distribution frame according to claim 6, wherein: the movable adjusting assembly comprises a second groove (1035) formed in two ends of the threading hole (1032), a screw rod (1033) is rotatably connected in the second groove (1035), a movable frame (1036) is arranged on the outer surface of the screw rod (1033), and a hand wheel (1034) is arranged at the end portion of the screw rod (1033).
8. A telecommunications optical fiber distribution frame according to claim 7, wherein: the compressing installation assembly comprises compressing plates (1037) fixedly installed at the end parts of the movable frame (1036) through screws, and the two compressing plates (1037) are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321041405.0U CN219715809U (en) | 2023-05-04 | 2023-05-04 | Communication optical fiber distribution frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321041405.0U CN219715809U (en) | 2023-05-04 | 2023-05-04 | Communication optical fiber distribution frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219715809U true CN219715809U (en) | 2023-09-19 |
Family
ID=87978443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321041405.0U Active CN219715809U (en) | 2023-05-04 | 2023-05-04 | Communication optical fiber distribution frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219715809U (en) |
-
2023
- 2023-05-04 CN CN202321041405.0U patent/CN219715809U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219715809U (en) | Communication optical fiber distribution frame | |
| CN215599420U (en) | Indoor optical fiber box convenient to install | |
| CN213069275U (en) | Optical cable distributing box with uniform arrangement | |
| CN108879527A (en) | A kind of network engineering junction box | |
| CN219936163U (en) | Communication optical cable junction box | |
| CN219085182U (en) | Optical fiber transceiver for computer network equipment | |
| CN220082510U (en) | Signal transmitter convenient for optical fiber | |
| CN220671704U (en) | Distribution frame of optical fiber distribution cabinet | |
| CN220820331U (en) | Optical fiber coupler device applied to central current collector of door machine | |
| CN220983585U (en) | Optical fiber distribution box convenient for wiring | |
| CN220830186U (en) | Electrical equipment control cabinet | |
| CN216313326U (en) | 5G communication distribution case | |
| CN220438600U (en) | Frame type optical divider structure | |
| CN219225176U (en) | Pulling-resistant optical fiber branching device | |
| CN217087905U (en) | Optical fiber transceiver convenient to install and used for industrial network equipment | |
| CN219936162U (en) | Optical fiber distribution box | |
| CN220754830U (en) | Optical fiber transceiver rack | |
| CN220218284U (en) | Quick installation device of blind flange | |
| CN219678493U (en) | Voice communication gateway equipment | |
| CN219780694U (en) | Cabinet with wire arranging device | |
| CN214097882U (en) | Novel on-site assembly type optical fiber movable connector | |
| CN220085137U (en) | Telecom broadband flat cable box convenient for transformation and expansion | |
| CN217642268U (en) | Intelligent distribution box capable of being installed quickly | |
| CN217689549U (en) | FTTH divides fine box convenient to installation is fixed | |
| CN214750996U (en) | Dustproof fiber box easy to maintain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |