CN217536650U - Comb plate telescoping device - Google Patents
Comb plate telescoping device Download PDFInfo
- Publication number
- CN217536650U CN217536650U CN202220713906.8U CN202220713906U CN217536650U CN 217536650 U CN217536650 U CN 217536650U CN 202220713906 U CN202220713906 U CN 202220713906U CN 217536650 U CN217536650 U CN 217536650U
- Authority
- CN
- China
- Prior art keywords
- plate
- comb plate
- comb
- beam body
- vertical
- 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
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a comb plate expansion device, which comprises a first beam body, a second beam body, a first comb plate and a second comb plate; the second beam body is provided with an installation groove with an opening at the top, and a vertical displacement mechanism and/or a transverse displacement mechanism are/is assembled in the installation groove; the vertical shifting mechanism and/or the transverse shifting mechanism are/is matched with the second comb plate. The utility model discloses a comb plate expansion device, the clearance assembly of the second comb tooth part of the second comb plate and the first comb tooth part of the first comb plate can adapt to the longitudinal deformation of a bridge; through being equipped with vertical deflection mechanism and/or horizontal deflection mechanism between second roof beam body and second fishback for the adaptable vertical deformation of second fishback and/or horizontal deformation, promoted fishback telescoping device's structural performance.
Description
Technical Field
The utility model relates to a bridge technical field especially relates to a fishback telescoping device.
Background
In order to allow a vehicle to stably pass through a bridge and meet the requirement of deformation of the bridge deck, a telescopic device is generally arranged between two sections of beam bodies. The telescoping device includes the fishback telescoping device, installs the fishback on two sections roof beams bodies respectively, and the broach end clearance fit or the interlock of two fishbacks is adaptable bridge longitudinal deformation's needs. The longitudinal direction refers to a width direction along the beam joint or a length direction of the bridge.
The comb plate is fixed on beam end concrete by an anchoring bolt, and can only adapt to longitudinal deformation of a beam seam.
And during the in-service use, the roof beam body is when receiving vehicle load, and the fishback probably produces certain degree swing in the vertical direction because of the difference of front and back both ends atress to arouse the vertical deformation of fishback. Also can produce certain degree swing or rotation in the horizontal plane because of the fishback left and right sides atress difference to arouse the horizontal deformation of fishback.
Because the comb plate is fixed on the concrete at the beam end by the anchoring bolts, the capability of adapting to vertical deformation and/or transverse deformation is limited, and the structural performance is still to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a fishback telescoping device, it is through configuration vertical deflection mechanism and/or horizontal deflection mechanism, except can adapting to the vertical deformation of bridge, still can adapt to the vertical and/or horizontal deformation of bridge, has promoted fishback telescoping device's structural performance.
The technical scheme of the utility model provides a comb plate expansion device, which comprises a first beam body, a second beam body, a first comb plate and a second comb plate;
a water stop strip is arranged in a beam joint of the first beam body and the second beam body;
the first beam body is provided with a steel plate extending towards the beam gap and a spherical support for supporting the steel plate;
the first comb plate is mounted on the steel plate, and a first comb tooth part of the first comb plate is positioned on the steel plate;
the second comb plate is arranged on the second beam body, a second comb tooth part of the second comb plate is lapped on the steel plate, and the first comb tooth part is in clearance fit with the second comb tooth part;
the second beam body is provided with an installation groove with an opening at the top, and a vertical displacement mechanism and/or a transverse displacement mechanism are/is assembled in the installation groove;
the vertical shifting mechanism and/or the transverse shifting mechanism are/is matched with the second comb plate.
In one optional technical solution, the vertical displacement mechanism includes a fixed seat fixedly installed in the installation groove and a swing block movably configured on the fixed seat;
the top surface of the fixed seat is provided with an arc-shaped groove, and the lower end of the swinging block is provided with an arc-shaped bulge;
the arc-shaped boss is slidably fitted in the arc-shaped groove, and the upper end of the swing block is in contact with the second comb plate.
In one optional technical scheme, the transverse displacement mechanism comprises a U-shaped frame fixedly installed in the installation groove, a connecting seat installed on the U-shaped frame and a rotating shaft in pivotable connection with the connecting seat;
the rotating shaft extends along the vertical direction, and the upper end of the rotating shaft is fixedly connected with the second comb plate.
In one optional technical scheme, the connecting seat comprises a connecting plate and a base connected to the connecting plate;
the connecting plate is provided with a connecting plate through hole, and the U-shaped frame is in clearance fit with the connecting plate through hole;
the base is provided with a circular base groove, the lower end of the rotating shaft is connected with a disc, and the disc can be pivotally assembled in the base groove.
In one optional technical scheme, the vertical displacement mechanism and the transverse displacement mechanism are integrated in a mounting box, and the mounting box is mounted in the mounting groove.
In an optional technical scheme, a sealing buffer layer is arranged between the second comb plate and the wall of the installation box.
In one optional technical scheme, a set of vertical displacement mechanism and two sets of transverse displacement mechanisms are assembled in the mounting groove;
and the two sets of transverse shifting mechanisms are arranged on two opposite sides of the vertical shifting mechanism.
In one optional technical scheme, more than two mounting grooves are arranged on the second beam body at intervals along the length direction of the water stop strip;
and the vertical displacement mechanism and/or the transverse displacement mechanism are/is respectively assembled in each mounting groove.
In one optional technical scheme, a sealing waterproof layer is arranged between the end part of the second comb plate and the second beam body.
In one optional technical scheme, the end part of the steel plate is provided with an extension plate extending downwards in an inclined mode, and the extension plate at least partially extends into the water stop strip.
By adopting the technical scheme, the method has the following beneficial effects:
the utility model provides a comb plate expansion device, the clearance assembly of the second comb tooth part of the second comb plate and the first comb tooth part of the first comb plate can adapt to the vertical deformation of the bridge; through being equipped with vertical deflection mechanism and/or horizontal deflection mechanism between second roof beam body and second fishback for the adaptable vertical deformation of second fishback and/or horizontal deformation, promoted fishback telescoping device's structural performance.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is a top view of a comb plate extending device according to an embodiment of the present invention;
figure 2 isbase:Sub>A cross-sectional view of the comb plate extension and retraction arrangement of figure 1 taken along the directionbase:Sub>A-base:Sub>A;
FIG. 3 is a schematic view of a fixing base of the vertical displacement mechanism;
FIG. 4 is a schematic view of the swing block in the vertical indexing mechanism;
figure 5 is a cross-sectional view of the comb plate extension and retraction arrangement of figure 1 taken along the direction B-B;
FIG. 6 is a schematic structural view of a U-shaped frame in the lateral shift mechanism;
FIG. 7 is a schematic view of a connection seat in the lateral shift mechanism;
FIG. 8 is a schematic view of the connection between the rotating shaft and the rotating disk in the lateral shifting mechanism.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-2 and fig. 5, the embodiment of the present invention provides a comb plate expansion device, which comprises a first beam 100, a second beam 200, a first comb plate 1 and a second comb plate 2.
A water stop strip 400 is installed in the beam gap 300 between the first beam body 100 and the second beam body 200.
The first girder 100 is mounted with a steel plate 500 extending toward the girder gap 300 and a ball socket 600 supporting the steel plate 500.
First fishback 1 is installed on steel sheet 500, and first fishback 11 of first fishback 1 is in steel sheet 500.
The second comb plate 2 is installed on the second beam body 200, the second comb portion 21 of the second comb plate 2 is lapped on the steel plate 500, and the first comb portion 11 is in clearance fit with the second comb portion 21.
The second beam 200 has a mounting groove 201 with an open top, and the mounting groove 201 is equipped with a vertical displacement mechanism 3 and/or a horizontal displacement mechanism 4.
The vertical displacement mechanism 3 and/or the transverse displacement mechanism 4 are/is matched with the second comb plate 2.
The utility model provides a fishback telescoping device is bridge telescoping device, and it mainly includes first roof beam body 100, the second roof beam body 200, sealing rod 400, steel sheet 500, spherical bearing 600, first fishback 1 and second fishback 2.
A beam gap 300 is formed between the first beam body 100 and the second beam body 200, and a water stop strip 400 is installed in the beam gap 300 to play a water stop role.
The steel plate 500 is mounted on the first beam body 100, which extends toward the beam slit 300. One end of the steel plate 500 extends to above the waterstop strip 400.
The ball mount 600 is installed on the first beam body 100 through a U-shaped steel bar for supporting the steel plate 500. The spherical bearing 600 is a common component in a bridge, and for the structure and the structure of the spherical bearing 600, reference may be made to the contents in the prior art, and details are not repeated herein.
One end of the first comb plate 1 is mounted on the steel plate 500 through an anchor bolt fastened into the first beam body 100. The first comb tooth end 11 of the first comb plate 1 faces the second beam body 200, and the first comb tooth end 11 is located on the steel plate 500. The first comb-tooth end 11 is an end portion having a plurality of teeth or projections.
One end of the second comb plate 2 is fixedly installed on the second beam body 200, and the second comb end 21 of the second comb plate 2 is lapped on the steel plate 500. The beam slit 300 is located below the second comb plate 2. The second comb-tooth end 21 is an end portion having a plurality of teeth or projections. The second comb teeth end 21 is engaged or clearance-fitted with the first comb teeth end 11, the teeth of the second comb teeth end 21 are in the tooth spaces of the first comb teeth end 11, the teeth of the first comb teeth end 11 are in the tooth spaces of the second comb teeth end 21, and the second comb plate 2 is longitudinally movable with respect to the first comb plate 1, thereby adapting to the longitudinal deformation of the bridge.
The vertical indexing mechanism 3 can rotate or swing in the direction perpendicular to the comb plate to enable the second comb plate 2 to adapt to vertical deformation. The vertical displacement mechanism 3 comprises a swinging end, and the swinging end of the vertical displacement mechanism 3 is in contact with the second comb plate 2.
The lateral indexing mechanism 4 can rotate or swing in the plane of the comb plate to adapt the second comb plate 2 to lateral deformation. Horizontal deflection mechanism 4 includes rotatory end, and the rotatory end and the second fishback 2 fixed connection of horizontal deflection mechanism 4.
In order to improve the deformation adaptability of the comb plate expansion device, the second beam body 200 is provided with the vertical displacement mechanism 3 and/or the transverse displacement mechanism 4, that is, only the vertical displacement mechanism 3 is installed on the second beam body 200, or only the transverse displacement mechanism 4 is installed on the second beam body 200, or the vertical displacement mechanism 3 and the transverse displacement mechanism 4 are installed on the second beam body 200 at the same time.
The second beam body 200 is provided with a mounting groove 201, and the top of the mounting groove 201 is open. The vertical displacement mechanism 3 and/or the transverse displacement mechanism 4 are/is arranged in the mounting groove 201, and the vertical displacement mechanism 3 and/or the transverse displacement mechanism 4 are/is matched with the second comb plate 2 respectively.
When the front end and the rear end of the second comb plate 2 are stressed differently, the second comb plate 2 swings in the front-rear direction, and the swing end of the vertical shifting mechanism 3 can swing correspondingly to adapt to vertical deformation. When the left and right sides atress of second fishback 2 is different, second fishback 2 is at its plane internal rotation at place, but the rotation end of horizontal deflection mechanism 4 corresponding rotation to adapt to horizontal deformation.
In one embodiment, as shown in fig. 1-4, the vertical displacement mechanism 3 includes a fixed seat 31 fixedly installed in the installation groove 201 and a swing block 32 movably disposed on the fixed seat 31.
The top surface of the fixed seat 31 has an arc-shaped groove 311, and the lower end of the swing block 32 has an arc-shaped protrusion 321.
The arc-shaped protrusion 321 is slidably fitted in the arc-shaped groove 311, and the upper end of the swing block 32 is in contact with the second comb plate 2.
In this embodiment, the vertical displacement mechanism 3 includes a fixed base 31 and a swing block 32.
The fixed seat 31 is fixedly installed in the installation groove 201, and the top surface of the fixed seat 31 is provided with an arc-shaped groove 311. The arc-shaped groove 311 is arranged in the front-rear direction or the longitudinal direction, that is, the central axis of the arc-shaped groove 311 is parallel to the waterstop strip 400.
The swing block 32 is a swing end of the vertical displacement mechanism 3, the lower end of the swing block 32 is provided with an arc-shaped convex part 321, the arc-shaped convex part 321 is assembled in the arc-shaped groove 311, and the swing block 32 can swing back and forth relative to the fixed seat 31. Second fishback 2 is pressed in the upper end of swing piece 32, and both are only for the contact cooperation, can not influence the rotation of second fishback 2.
When the front and rear ends of the second comb plate 2 are stressed differently, the second comb plate 2 swings in the front and rear direction, and the swing block 32 can swing correspondingly to adapt to vertical deformation.
In one embodiment, as shown in fig. 1 and 5-8, the lateral displacement mechanism 4 includes a U-shaped frame 41 fixedly installed in the installation groove 201, a connection seat 42 installed on the U-shaped frame 41, and a rotation shaft 43 pivotably connected to the connection seat 42.
The rotating shaft 43 extends along the vertical direction, and the upper end of the rotating shaft 43 is fixedly connected with the second comb plate 2.
In this embodiment, the lateral displacement mechanism 4 includes a U-shaped frame 41, a connecting seat 42 and a rotating shaft 43. The U-shaped frame 41 is fixedly installed in the installation groove 201. The U-shaped frame 41 includes two vertical rods 411 and a support link 412 connected between the upper ends of the two vertical rods 411, and the support link 412 may be a straight rod or an arc-shaped bent rod.
The two vertical rods 411 of the U-shaped frame 41 are arranged along the width direction of the second beam 200, that is, a connecting line between the two vertical rods 411 of the U-shaped frame 41 is parallel to the water stop strip 400.
The connecting base 42 fits over the support link 412 with a clearance fit so that the connecting base 42 can swing back and forth relative to the support link 412.
The rotating shaft 43 is a rotating end of the lateral displacement mechanism 4. The lower end of the rotating shaft 43 is pivotally connected to the connecting seat 42, and the rotating shaft 43 can rotate relative to the connecting seat 42. The upper end of the rotating shaft 43 is fixedly connected with the second comb plate 2.
When second fishback 2 swing back and forth, pivot 43 can drive connecting seat 42 swing back and forth in order to suit with vertical indexing mechanism 3, avoids influencing the swing back and forth of second fishback 2.
When the left and right sides of the second comb plate 2 are stressed differently, the second comb plate 2 rotates in the plane where the second comb plate is located, and the rotating shaft 43 can rotate correspondingly to adapt to transverse deformation.
In one embodiment, as shown in fig. 5-8, the connecting seat 42 includes a connecting plate 421 and a base 422 connected to the connecting plate 421.
The connecting plate 421 has a connecting plate through hole 4211, and the u-shaped frame 41 is in clearance fit with the connecting plate through hole 4211.
The base 422 has a circular base groove 4221 therein, and a disc 44 is coupled to a lower end of the rotation shaft 43, and the disc 44 is pivotably fitted in the base groove 4221.
In this embodiment, the connecting seat 42 is composed of a connecting plate 421 at the lower part and a base 422 at the upper part. The base 422 is integrally formed with the connection plate 421. The connecting plate 421 has a connecting plate through hole 4211, and the support link 412 of the u-shaped frame 41 passes through the connecting plate through hole 4211 with clearance. The upper portion of the base 422 has a circular base groove 4221, and the base groove 4221 has a T-shaped cross section in a vertical direction. The lower end of the rotating shaft 43 is connected with a disc 44, and the disc 44 is in clearance fit in the base groove 4221, so that the assembly stability of the rotating shaft 43 and the connecting seat 42 is improved.
The inverted T-shaped seat 4221 prevents the disc 44 from being removed from the seat 422.
In one embodiment, as shown in fig. 2 and 5, the vertical displacement mechanism 3 and the horizontal displacement mechanism 4 are integrated into a mounting box 5, and the mounting box 5 is mounted in the mounting groove 201. The installation box 5 is a metal box, the top of which is open. Vertical displacement mechanism 3 and horizontal displacement mechanism 4 integrate in mounting box 5 in advance, during the installation, install mounting box 5 in mounting groove 201 can, convenient construction.
In one embodiment, a sealing buffer layer, which may be a sealant layer, is disposed between the second comb plate 2 and the wall 51 of the installation box 5, and plays roles of buffering and sealing.
In one embodiment, as shown in fig. 1, a set of vertical displacement mechanism 3 and two sets of lateral displacement mechanisms 4 are installed in the installation groove 201, and the two sets of lateral displacement mechanisms 4 are arranged on two opposite sides of the vertical displacement mechanism 3. The left and right sides of second fishback 2 has one set of lateral shifting mechanism 4 respectively, and second fishback 2 can be by two sets of lateral shifting mechanism 4 combined action when horizontal rotation, and the lateral shifting adaptability is better.
In one embodiment, as shown in fig. 1, two or more mounting grooves 201 are arranged on the second beam 200 at intervals along the length direction of the water stop strip 400. Each mounting groove 201 is provided with a vertical displacement mechanism 3 and/or a transverse displacement mechanism 4 respectively, and the mounting groove can adapt to a wider second beam body 200 and a second comb plate 2.
In one of the embodiments, as shown in fig. 2 and 5, a sealing and waterproof layer 6 is disposed between the end of the second comb plate 2 and the second beam 200. The sealing waterproof layer 6 can be a sealing glue layer and plays a role in sealing and buffering.
In one embodiment, as shown in fig. 2 and 5, the end of the steel plate 500 has an extension plate 501 extending obliquely downward, and the extension plate 501 extends at least partially into the water stop strip 400 to help guide water into the water stop strip 400.
According to the requirements, the above technical schemes can be combined to achieve the best technical effect.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for a person skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the scope of the present invention should be viewed.
Claims (10)
1. A comb plate telescopic device is characterized by comprising a first beam body, a second beam body, a first comb plate and a second comb plate;
a water stop strip is arranged in a beam joint of the first beam body and the second beam body;
the first beam body is provided with a steel plate extending towards the beam gap and a spherical support for supporting the steel plate;
the first comb plate is mounted on the steel plate, and a first comb tooth part of the first comb plate is positioned on the steel plate;
the second comb plate is mounted on the second beam body, a second comb tooth part of the second comb plate is lapped on the steel plate, and the first comb tooth part and the second comb tooth part are in clearance fit;
the second beam body is provided with an installation groove with an opening at the top, and a vertical displacement mechanism and/or a transverse displacement mechanism are/is assembled in the installation groove;
the vertical shifting mechanism and/or the transverse shifting mechanism are/is matched with the second comb plate.
2. The comb plate retractor device of claim 1 wherein the vertical indexing mechanism comprises a fixed base fixedly mounted in the mounting slot and a swing block movably disposed on the fixed base;
the top surface of the fixed seat is provided with an arc-shaped groove, and the lower end of the swinging block is provided with an arc-shaped bulge;
the arc-shaped convex part is slidably assembled in the arc-shaped groove, and the upper end of the swinging block is in contact with the second comb plate.
3. The comb plate retractor device of claim 1 wherein the lateral indexing mechanism comprises a U-shaped frame fixedly mounted in the mounting slot, a connecting seat mounted on the U-shaped frame, and a rotating shaft pivotally connected to the connecting seat;
the rotating shaft extends along the vertical direction, and the upper end of the rotating shaft is fixedly connected with the second comb plate.
4. The comb plate retractor of claim 3 wherein the connecting base comprises a connecting plate and a base connected to the connecting plate;
the connecting plate is provided with a connecting plate through hole, and the U-shaped frame is in clearance fit with the connecting plate through hole;
the base is provided with a circular base groove, the lower end of the rotating shaft is connected with a disc, and the disc can be pivotally assembled in the base groove.
5. The comb plate extension and retraction device according to any of claims 1 to 4,
the vertical displacement mechanism and the transverse displacement mechanism are integrated in an installation box, and the installation box is installed in the installation groove.
6. The comb plate retracting device of claim 5, wherein a seal buffer layer is provided between the second comb plate and the wall of the mounting box.
7. The comb plate extension and retraction device according to any of claims 1 to 4,
the mounting groove is internally provided with a set of vertical displacement mechanism and two sets of transverse displacement mechanisms;
and the two sets of transverse shifting mechanisms are arranged on two opposite sides of the vertical shifting mechanism.
8. The comb plate extension and retraction device according to any of claims 1 to 4,
more than two mounting grooves are arranged on the second beam body at intervals along the length direction of the water stop strip;
and the vertical displacement mechanism and/or the transverse displacement mechanism are/is respectively assembled in each mounting groove.
9. The comb plate extension and retraction device according to any of claims 1 to 4,
and a sealing waterproof layer is arranged between the end part of the second comb plate and the second beam body.
10. The comb plate extension and retraction device according to any of claims 1 to 4,
the end of the steel plate is provided with an extension plate extending downwards in an inclined mode, and the extension plate at least partially extends into the water stop strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220713906.8U CN217536650U (en) | 2022-03-29 | 2022-03-29 | Comb plate telescoping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220713906.8U CN217536650U (en) | 2022-03-29 | 2022-03-29 | Comb plate telescoping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217536650U true CN217536650U (en) | 2022-10-04 |
Family
ID=83429944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220713906.8U Active CN217536650U (en) | 2022-03-29 | 2022-03-29 | Comb plate telescoping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217536650U (en) |
-
2022
- 2022-03-29 CN CN202220713906.8U patent/CN217536650U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109024262B (en) | Modulus type seamless telescoping device and construction method thereof | |
| CN105256718A (en) | Modular multidirectional displacement telescopic device and bridge | |
| CN217536650U (en) | Comb plate telescoping device | |
| CN216275204U (en) | Comb-tooth type bridge expansion joint device | |
| CN214005390U (en) | Reinforced multidirectional displacement telescopic device | |
| CN214301241U (en) | Magnetic force vibration/noise reduction's comb-tooth formula telescoping device | |
| CN213867326U (en) | Strenghthened type small displacement volume telescoping device | |
| CN216040648U (en) | Comb-tooth type bridge expansion joint device | |
| CN2205400Y (en) | Telescopic device for bridge | |
| CN217579746U (en) | Multidirectional shifting comb plate expansion device | |
| CN112112070B (en) | Reinforced large-displacement bridge expansion device and adjustment method | |
| CN219240268U (en) | Displacement dispersion multidirectional displacement expansion device | |
| CN220685772U (en) | Duck tongue tooth for comb-shaped plate | |
| CN219059719U (en) | Steel structure bridge | |
| CN217579745U (en) | Elastic body telescopic device | |
| CN213709165U (en) | Sliding edge beam | |
| CN219930702U (en) | Double-hinge warping-preventing comb plate telescopic device | |
| CN215758510U (en) | Prestressed anchorage type bridge expansion device convenient to maintain | |
| CN118273222B (en) | Curved surface telescoping device and roof beam body | |
| CN212505832U (en) | Unit seam-crossing type multidirectional displacement comb-shaped plate bridge expansion device | |
| CN216427986U (en) | Bridge expansion joint device | |
| CN209891545U (en) | Arc-shaped steel structure | |
| CN213867318U (en) | Fixed boundary beam | |
| CN220013367U (en) | Bridge expansion joint device | |
| CN220224917U (en) | Double-deflection-shaft multidirectional deflection comb-tooth type telescopic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |