CN107761520B - Cast asphalt paver and its distribution device - Google Patents
Cast asphalt paver and its distribution device Download PDFInfo
- Publication number
- CN107761520B CN107761520B CN201711016141.2A CN201711016141A CN107761520B CN 107761520 B CN107761520 B CN 107761520B CN 201711016141 A CN201711016141 A CN 201711016141A CN 107761520 B CN107761520 B CN 107761520B
- Authority
- CN
- China
- Prior art keywords
- guide rail
- attachment base
- distribution device
- gear
- driving gear
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/18—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect
- E01C19/185—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect for both depositing and spreading-out or striking-off the deposited mixture
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The present invention relates to pavement of road construction equipment fields, in particular to cast asphalt paver and its distribution device, its key points of the technical solution are that: including bracket, guide assembly and cloth scraper plate, the guide assembly includes several guide rail sections, and any guide rail section includes guide rail body；Rack gear is provided with below the guide rail body；One end of the guide rail body is equipped with sub- attachment base, and the other end is provided with female attachment base；Several first threaded holes are provided on the end face of the sub- attachment base；Mother's attachment base includes end plate, and several second threaded holes are provided on the end plate；Mother's attachment base is additionally provided with driving gear and several driven gears；The driving gear is set on the inside of end plate, and several driven gears are correspondingly arranged with several second threaded holes, and is cooperatively connected with the driving gear；Bolt is provided in the inner hole of the driven gear.Its main feature is that easy disassembly, and will not influence the movement of material-feeding mechanism.
Description
Technical field
The present invention relates to pavement of road construction equipment fields, in particular to cast asphalt paver and its distribution device.
Background technique
Cast asphalt concrete belongs to suspension intensively with bituminous concrete, have it is closely knit it is waterproof, durability is good, fabulous
Viscous toughness, fit strong adaptability the characteristics of, with steel bridge deck deformation have well retinue property, be therefore particularly suitable for large and medium-sized
The steel bridge deck pavement of bridge, especially large span.On the guide rail of existing cast asphalt paver, adjacent rails segment
Between generally use built-in flange and be bolted, bolt and flange closure are being dismantled or are being connected inside guide rail section
In the process, the socket wrench for needing to lengthen successively is dismounted in order, this brings very big inconvenience to the assembly of guide rail.
In view of the above-mentioned problems, the existing following patent in China；
License notification number: CN204325871U discloses a kind of distribution device for paver, including bracket,
Guide rail and cloth scraper plate, wherein guide rail includes the first guide rail section and the second guide rail section, the first guide rail section and the second guide rail
Segment is by flange and is bolted, and the first notch is provided in the first guide rail section；It is led since bolt is not closed in
It, can be by Bolt dismantling/be fixed on flange, thus by the first guide rail from the first indentation, there when dismounting guide rail inside rail
Segment connects/dismantles with the second guide rail section.Compared with prior art, which is not necessarily to during dismounting guide rail
The box spanner of lengthening does not need to dismount in order yet, and therefore, entire disassembly process is more flexible, more convenient.On this basis,
The invention also discloses a kind of pouring asphalt pavers with above-mentioned distribution device.
The mechanism is although easy to disassemble, but when needing to adjust the height of cloth scraper plate according to asphalt paving thickness, cloth
Center of gravity of the scraper plate on guide rail can shift, and the first notch on guide rail may influence the movement of material-feeding mechanism.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of cloth of cast asphalt paver
Device, its main feature is that, easy disassembly, and will not influence the movement of material-feeding mechanism.
Above-mentioned technical purpose of the invention has the technical scheme that the cloth of cast asphalt paver
Expect that device, including bracket, guide assembly and cloth scraper plate, the guide assembly are set on bracket, the cloth scraper plate and institute
Guide assembly is stated to be slidably connected；The guide assembly includes several guide rail sections, and any guide rail section includes guide rail body；
Rack gear is provided with below the guide rail body；The guide rail body inner hollow, one end of the guide rail body are equipped with son even
Joint chair, the other end are provided with female attachment base；Several first threaded holes are provided on the end face of the sub- attachment base；Female connection
Seat includes end plate, and position corresponding with the first threaded hole of sub- attachment base is provided with several second threaded holes on the end plate；Institute
It states female attachment base and is additionally provided with driving gear and several driven gears；The driving gear is set on the inside of end plate, several described
Driven gear is correspondingly arranged with several second threaded holes, and is cooperatively connected with the driving gear；The driven gear
Internal screw thread is equipped on inner hole；Bolt is provided in the inner hole of the driven gear.
Through the above technical solutions, connecting portion is set on the end face of guide assembly, component is all disposed in guide rail
Portion avoids the movement for influencing the material-feeding mechanism on guide rail；The bolt on several driven gears is driven by driving gear while being revolved
Enter or screw out, realize the disassembly and assembly of guide assembly, concrete mode is as follows:
When assembling guide assembly, first the guide rail bodies of two section guide rail segments is aligned, especially by the first threaded hole and the
The alignment of two threaded holes, then rotates clockwise driving gear, and driving gear drives driven gear to rotate counterclockwise；Due to driven
It is threadedly coupled between gear and bolt, and bolt is also threadedly coupled with end plate；Since end plate is static, and driven gear is counterclockwise
Rotation, by first threaded hole opposite with the second threaded hole, two section guide rail segments is connected so that bolt is threaded into；
When dismantling guide assembly, rotate counterclockwise driving gear, driving gear drives driven gear to rotate clockwise；By
It is threadedly coupled between driven gear and bolt, and bolt is also threadedly coupled with end plate；Since end plate is static, and driven gear
It rotates clockwise, so that bolt is screwed out the first threaded hole, so that two section guide rail segments are disengaged from each other.
Preferably, second threaded hole is provided with rotating gravure far from the side of end face, is equipped in the rotating gravure
Limiting slot；Wheel shaft is provided on the driven gear, the wheel shaft is equipped with retention bead, and the wheel shaft is embedded at the rotation
In groove, and it is rotatablely connected with the rotating gravure.
Through the above technical solutions, being nested in the wheel shaft of driven gear in rotating gravure, driven tooth can be effectively prevent
Wheel is fallen from end plate.
Preferably, locking spring is provided between the driven gear and bolt.
Through the above technical solutions, setting locking spring, prevents bolt from loosening from driven gear.
Preferably, the sub- attachment base includes inwardly projecting flange, and the edge of the flange forms through-hole；Described first
Threaded hole is set in flange.
Through the above technical solutions, the flange that setting is inwardly projecting, and the first threaded hole is arranged in flange, Neng Goubian
Close connection between guide rail section.
Preferably, rotating bar is fixedly connected on the driving gear, the rotating bar extends to the through-hole of sub- attachment base
Place.
Through the above technical solutions, rotating bar is arranged on driving gear, and rotating bar is extended into the logical of sub- attachment base
At hole, driving gear can be easily rotated by the end of rotating bar, keep assembly more convenient.
Preferably, the rotating bar is provided with rotation section far from one end of the driving gear.
Through the above technical solutions, rotation section is arranged in rotating bar, by rotation section rotary motion bar, further facilitate
Assembly.
Preferably, the internal screw thread of second threaded hole is consistent with the internal screw thread of the first threaded hole；The driven gear
The aperture of inner hole is consistent with the second threaded hole, and the internal screw thread on the inner hole is consistent with the internal screw thread on second threaded hole.
Through the above technical solutions, ensuring that the screw thread on inner hole, the first threaded hole and the second threaded hole is consistent, bolt can
It is threadedly coupled with three.
Preferably, second threaded hole is uniformly distributed on the end plate, and the driving gear is set to the end plate
Center.
Through the above technical solutions, the second threaded hole is uniformly distributed on the end plate, driving gear is arranged in end plate
Centre, enables driving gear to engage with the driven gear on all second threaded holes.
Preferably, the driving gear and driven gear are herringbone bear.
Through the above technical solutions, improving the degree of engagement between driving gear and driven gear, axial load is reduced, is improved
Bearing capacity reduces the pressure born on rotating gravure, further driven gear is protected to take off from end plate so that work is more stable
Out.
Another object of the present invention is to provide a kind of cast asphalt pavers, its main feature is that, easy disassembly, and will not
Influence the movement of material-feeding mechanism.
Above-mentioned technical purpose of the invention has the technical scheme that cast asphalt paver, packet
Include running gear, power device and above-mentioned distribution device, the fixed company of the bracket of the power device and the distribution device
It connects, the running gear is set to the both ends of the bracket.
Through the above technical solutions, providing a kind of cast asphalt paver with above-mentioned distribution device.
The beneficial effects of the present invention are；1) by driving gear drive the bolt on several driven gears and meanwhile screw in or
It screws out, realizes the disassembly and assembly of guide assembly；It 2), can be effective by being nested in the wheel shaft of driven gear in rotating gravure
Prevent driven gear from falling from end plate；3) by setting locking spring, prevent bolt from loosening from driven gear；4) pass through by
Driving gear and driven gear are disposed as herringbone bear, can be improved the degree of engagement between driving gear and driven gear, subtract
Few axial load improves bearing capacity, so that work is more stable, reduces the pressure born on rotating gravure, further protection from
Moving gear is deviate from from end plate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1；
Fig. 2 is embodiment 1 for showing the cross-sectional view of 8 internal structure of guide rail body；
Fig. 3 is embodiment 1 for showing the cross-sectional view of the second threaded hole 16 and inner hole 19；
Fig. 4 is embodiment 2 for showing the cross-sectional view of 8 internal structure of guide rail body.
Appended drawing reference: 1, power device；2, running gear；3, distribution device；4, bracket；5, guide assembly；6, cloth is scraped
Plate；7, guide rail section；8, guide rail body；9, rack gear；10, sub- attachment base；11, female attachment base；12, flange；13, the first screw thread
Hole；14, through-hole；15, end plate；16, the second threaded hole；17, rotating gravure；18, driven gear；19, inner hole；20, wheel shaft；21,
Bolt；22, locking spring；24, driving gear；25, rotating bar；26, rotation section；27, limiting slot；28, retention bead.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
Embodiment 1: cast asphalt paver, as shown in Figure 1, including power device 1, running gear 2 and distribution device
3.Distribution device 3 includes bracket 4, guide assembly 5 and cloth scraper plate 6.The both ends of bracket 4, power device is arranged in running gear 2
1 is arranged in the both ends of bracket 4, and power device 1 is fixedly connected with bracket 4.Guide assembly 5 is set to 4 top of bracket.Cloth scraper plate
6 are set on guide assembly 5, and can slide along guide assembly 5.
Guide assembly 5 includes several guide rail sections 7.Any guide rail section 7 includes guide rail body 8, under guide rail body 8
Side is provided with rack gear 9.
As shown in Figure 2,3, the inner hollow of guide rail body 8, one end are provided with sub- attachment base 10, and the other end is provided with mother
Attachment base 11.
Sub- attachment base 10 includes inwardly projecting flange 12, is evenly distributed with several first threaded holes 13 in flange 12.It is prominent
The edge of edge 12 forms through-hole 14.
The end face of female interconnecting piece is closed, formation end plate 15, corresponding with the first threaded hole 13 of sub- attachment base 10 on end plate 15
Position be provided with several second threaded holes 16.The internal screw thread of second threaded hole 16 is consistent with the internal screw thread of the first threaded hole 13.
Any second threaded hole 16 is provided with rotating gravure 17 far from the side of end face.Rotating gravure 17 is equipped with driven gear 18.
The aperture of the inner hole 19 of driven gear 18 is consistent with the second threaded hole 16, and is provided with and the consistent interior spiral shell of the second threaded hole 16
Line.Driven gear 18 is provided with wheel shaft 20 by one end of proximal plate 15.Limiting slot 27, driven gear 18 are equipped in rotating gravure 17
On be provided with wheel shaft 20, wheel shaft 20 is equipped with retention bead 28.Wheel shaft 20 is embedded in rotating gravure 17, and with rotating gravure 17
Rotation connection.Bolt 21 is provided in the inner hole 19 of driven gear 18.21 surface of bolt be provided with above-mentioned first threaded hole 13,
The external screw thread that internal screw thread on the inner hole 19 of second threaded hole 16 or driven gear 18 matches.Bolt 21 and driven gear 18 it
Between be provided with locking spring 22, prevent bolt 21 from loosening from driven gear 18.
The center of end plate 15 is connected with bearing, and rotation on bearings is connected with driving gear 24.If driving gear 24 and above-mentioned
Dry driven gear 18 is cooperatively connected, and driving gear 24 is able to drive above-mentioned several driven gears 18 and rotates.24 He of driving gear
Driven gear 18 is roller gear.
Rotating bar 25 is fixedly connected on driving gear 24.Rotating bar 25 extends at the through-hole 14 of sub- attachment base 10.Turn
Lever 25 is provided with rotation section 26 far from one end of driving gear 24.Rotation section 26 is nut, can also be handle etc..
The usage mode of the present embodiment is as follows: first that the guide rail body 8 of two section guide rail segments 7 is right when assembly guide assembly 5
Together, especially the first threaded hole 13 is aligned with the second threaded hole 16, rotates clockwise rotating bar followed by spanner or handle
25, driving driving gear 24 rotates clockwise, and driving gear 24 drives driven gear 18 to rotate counterclockwise.Due to driven gear 18
It is threadedly coupled between bolt 21, and bolt 21 is also threadedly coupled with end plate 15.Since end plate 15 is static, and driven gear 18
It rotates counterclockwise, so that bolt 21 is threaded into, by first threaded hole 13 opposite with the second threaded hole 16, by two section guide rail sections
Section 7 connects.
When dismantling guide assembly 5, rotary motion bar 25 counterclockwise, driving driving gear 24 is rotated counterclockwise, driving gear
24 drive driven gears 18 rotate clockwise.Due to being threadedly coupled between driven gear 18 and bolt 21, and bolt 21 also with
End plate 15 is threadedly coupled.Since end plate 15 is static, and driven gear 18 rotates clockwise, so that bolt 21 is screwed out the first screw thread
Hole 13, so that two section guide rail segments 7 are disengaged from each other.
Embodiment 2: cast asphalt paver and its distribution device 3, difference from example 1 is that, such as Fig. 4 institute
Showing, driving gear 24 and driven gear 18 are herringbone bear, the degree of engagement between driving gear 24 and driven gear 18 is improved,
Axial load is reduced, bearing capacity is improved, so that work is more stable.
The above is only exemplary embodiment of the invention, protection scope and is not intended to limit the present invention, this hair
Bright protection scope is determined by the attached claims.
Claims (10)
1. the distribution device of cast asphalt paver, including bracket (4), guide assembly (5) and cloth scraper plate (6), described to lead
Rail assembly (5) is set on bracket (4), and the cloth scraper plate (6) is slidably connected with the guide assembly (5)；The guide rail group
Part (5) includes several guide rail sections (7), and any guide rail section (7) includes guide rail body (8)；The guide rail body (8)
Lower section is provided with rack gear (9)；It is characterized by: guide rail body (8) inner hollow, one end of the guide rail body (8) are set
Have sub- attachment base (10), the other end is provided with female attachment base (11)；Several are provided on the end face of the sub- attachment base (10)
One threaded hole (13)；It is described mother attachment base (11) include end plate (15), on the end plate (15) with sub- attachment base (10) first
The corresponding position of threaded hole (13) is provided with several second threaded holes (16)；Mother's attachment base (11) is additionally provided with driving gear
(24) and several driven gears (18)；The driving gear (24) is set on the inside of end plate (15), several driven gears
(18) it is correspondingly arranged with several second threaded holes (16), and is cooperatively connected with the driving gear (24)；The driven tooth
It takes turns and is equipped with internal screw thread on the inner hole (19) of (18)；Bolt (21) are provided in the inner hole (19) of the driven gear (18).
2. the distribution device of cast asphalt paver according to claim 1, it is characterised in that: second threaded hole
(16) side far from end face is provided with rotating gravure (17), is equipped with limiting slot (27) in the rotating gravure (17)；It is described from
It is provided on moving gear (18) wheel shaft (20), the wheel shaft (20) is equipped with retention bead, and the wheel shaft (20) is embedded at described
In rotating gravure (17), and it is rotatablely connected with the rotating gravure (17).
3. the distribution device of cast asphalt paver according to claim 1, it is characterised in that: the driven gear
(18) it is provided between bolt (21) locking spring (22).
4. the distribution device of cast asphalt paver according to claim 1, it is characterised in that: the sub- attachment base
It (10) include inwardly projecting flange (12), the edge of the flange (12) forms through-hole (14)；First threaded hole (13)
It is set on flange (12).
5. the distribution device of cast asphalt paver according to claim 4, it is characterised in that: the driving gear
(24) it is fixedly connected on rotating bar (25), the rotating bar (25) extends at the through-hole (14) of sub- attachment base (10).
6. the distribution device of cast asphalt paver according to claim 5, it is characterised in that: the rotating bar (25)
One end far from the driving gear (24) is provided with rotation section (26).
7. the distribution device of cast asphalt paver according to claim 1, it is characterised in that: second threaded hole
(16) internal screw thread is consistent with the internal screw thread of the first threaded hole (13)；The aperture of the inner hole (19) of the driven gear (18) and the
Unanimously, the internal screw thread on the inner hole (19) is consistent with the internal screw thread on second threaded hole (16) for two threaded holes (16).
8. the distribution device of cast asphalt paver according to claim 1, it is characterised in that: second threaded hole
(16) it is uniformly distributed on the end plate (15), the driving gear (24) is set to the center of the end plate (15).
9. the distribution device of cast asphalt paver according to claim 1, it is characterised in that: the driving gear
(24) and driven gear (18) is herringbone bear.
10. cast asphalt paver, it is characterised in that: including running gear (2), power device (1) and claim 1 to
Distribution device described in any one of 9 (3), the fixed company of the bracket (4) of the power device (1) and the distribution device (3)
It connects, the running gear (2) is set to the both ends of the bracket (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711016141.2A CN107761520B (en) | 2017-10-26 | 2017-10-26 | Cast asphalt paver and its distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711016141.2A CN107761520B (en) | 2017-10-26 | 2017-10-26 | Cast asphalt paver and its distribution device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107761520A CN107761520A (en) | 2018-03-06 |
| CN107761520B true CN107761520B (en) | 2019-09-20 |
Family
ID=61270814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711016141.2A Active CN107761520B (en) | 2017-10-26 | 2017-10-26 | Cast asphalt paver and its distribution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107761520B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235347B (en) * | 2021-04-20 | 2022-04-01 | 湖南佳林建设集团有限公司 | Asphalt noise reduction pavement construction method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201166091Y (en) * | 2008-01-10 | 2008-12-17 | 徐州凯莫尔重工科技有限公司 | Road surface spreader transfer case transmission device |
| US8459898B2 (en) * | 2010-03-26 | 2013-06-11 | Guntert & Zimmerman Const. Div., Inc. | Adjustable bolster swing legs for mounting and aligning and reorienting crawlers for slipform paving machines |
| CN102644226B (en) * | 2012-04-28 | 2014-10-22 | 中铁四局集团有限公司 | High-precision bitumen paving control guide track and control method thereof |
| CN203049428U (en) * | 2012-12-12 | 2013-07-10 | 江阴同创体育机械有限公司 | Paver |
| CN204401410U (en) * | 2014-09-23 | 2015-06-17 | 广东省长大公路工程有限公司 | A kind of simple and easy cast asphalt concrete paver |
| CN204325871U (en) * | 2014-11-28 | 2015-05-13 | 湖南三一路面机械有限公司 | Pouring asphalt paver and distribution device thereof |
| CN104562897A (en) * | 2014-12-26 | 2015-04-29 | 湖南三一路面机械有限公司 | Scraper feeding system and spreading machine |
-
2017
- 2017-10-26 CN CN201711016141.2A patent/CN107761520B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107761520A (en) | 2018-03-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208221759U (en) | A kind of highway bridge pipeline support equipment | |
| CN107761520B (en) | Cast asphalt paver and its distribution device | |
| CN206220555U (en) | A kind of telescopic construction guardrail | |
| CN109318347A (en) | Beam column mold | |
| CN208266682U (en) | A kind of bridge fence-slab connection structure | |
| CN208545633U (en) | A kind of municipal roadbed that receiving dynamics is strong | |
| CN207466347U (en) | A kind of engine front support | |
| CN103924489B (en) | City the rail manual dismantling device external member of double-layer vibration damping fastener and using method thereof | |
| CN206844019U (en) | A kind of fixing device of the horizontal positioned rotating filter cartridge of vacuum sweeper | |
| CN209350483U (en) | Beam column mold | |
| CN203212957U (en) | Accurate adjustment device for double-block type roadbed bent frame of ballastless track | |
| CN214328589U (en) | Noise control rail is used in engineering construction | |
| CN205394362U (en) | Take telescopic spanner | |
| CN209007427U (en) | A kind of drive axle fixed disassembly device | |
| CN201533672U (en) | Cabinet structure | |
| CN205394360U (en) | Telescopic spanner in improvement type area | |
| CN214276875U (en) | Concrete road surface roughness detection device | |
| JPH0246485Y2 (en) | ||
| CN216508674U (en) | Connecting structure convenient to disassemble and assemble and wetland creeper tread adopting same | |
| CN219194230U (en) | Wheel convenient to mount and dismount | |
| CN210467067U (en) | Indicating device is used in gardens convenient to change sign | |
| CN215830921U (en) | Bolt with anti-loosening structure | |
| CN219383761U (en) | Pin rail of scraper conveyor | |
| CN202767671U (en) | Anti-loose and anti-vibration lock and inspection door | |
| CN208668306U (en) | A kind of road delineator being easily installed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |