CN105735121B - A kind of covering mechanism for bridge expanssion joint - Google Patents
A kind of covering mechanism for bridge expanssion joint Download PDFInfo
- Publication number
- CN105735121B CN105735121B CN201610233365.8A CN201610233365A CN105735121B CN 105735121 B CN105735121 B CN 105735121B CN 201610233365 A CN201610233365 A CN 201610233365A CN 105735121 B CN105735121 B CN 105735121B
- Authority
- CN
- China
- Prior art keywords
- extension
- dop
- structure body
- bridge structure
- disengagable
- 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
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
A kind of covering mechanism for bridge expanssion joint, for being covered at the road surface to bridge expanssion joint, including the rubber body flushed with the level height of bridge pavement（9）, positioned at the rubber body（9）Internal supporter（8）And can be in the supporter（8）In towards and away from two symmetrical extension support members of mobile and structure（7）, wherein, described two extension support members（7）In each include can be in the supporter（8）Chute（81）The horizontal extension head that reclaimed water is smoothly moved（721）And the horizontal extension head（721）The vertical extension of connection（72）And with the vertical extension（72）Lower end connection and the support arm extended towards adjacent bridge structure body（71）, wherein, described two extension support members（7）End be provided with support plate to be abutted with the adjacent bridge structure body（73）.
Description
Technical field
The present invention relates to bridge field, specially a kind of covering mechanism for bridge expanssion joint.
Background technology
The road surface of bridge is often provided with expansion joint, to provide the allowance expanded with heat and contract with cold.For traffic safety and dimension
The performance of bridge pavement is protected, generally requires to carry out elastomeric objects filling or covering to this expansion joint.Known mode is
Covered or clogged using materials such as elastic caoutchoucs.But the installation of this elastic rubber material needs the matrix of road pavement
The reprocessing such as surface cutting is carried out, it is in place to install the elastomeric material.And this is easily caused when driving to these
Working position, which produces, damages and then damages road surface matrix.And the installation and removal for this elastomeric material are also required to expend greatly
Measure manpower and time cost.
The content of the invention
It is an object of the invention to provide a kind of covering mechanism for bridge expanssion joint, and it can overcome of the prior art
Defect.
According to the covering mechanism for bridge expanssion joint of the present invention, for being covered at the road surface to bridge expanssion joint
Lid, including flushed with the level height of bridge pavement rubber body, the supporter inside the rubber body, Yi Jineng
Enough two extension support members in the supporter towards and away from mobile and structure symmetrically, wherein, it is described two to prolong
Stretch in support member it is each include can the horizontal extension head that the chute reclaimed water of the supporter is smoothly moved, with the water
The vertical extension of flat extension head connection and it is connected with the lower end of the vertical extension and towards adjacent bridge structure
Body extension support arm, wherein, it is described two extension support members ends be provided with to the adjacent bridge structure
The support plate that body abuts, is provided with to be inserted on the end face of the support plate and is arranged on the adjacent bridge structure body
Shearing hole in shear pin；Wherein, the vertical extension of one in two extension support members is fixedly installed disengagable lock
Determine hook, another vertical extension is fixedly installed corresponding disengagable locking dop, in the disengagable lock hook and institute
State it is disengagable locking dop between be provided with cross section for ellipse action bars, the action bars is rotatably supported in and institute
State in the support rod that bridge structure body is fixedly connected；Wherein, the disengagable lock hook includes consolidating with adjacent bridge structure body
Even and the upper flexible extension tilted down, the vertical extension that is connected with the upper flexible extension and positioned at described vertical
The gib head protuberance of the lower end of extension；It is described it is disengagable locking dop include with adjacent bridge structure body be connected and to
Upper inclined lower flexible extension, positioned at the dop portion of the lower flexible extension end, when the disengagable lock hook with
The disengagable locking dop is when being in mutually locking state, the gib head protuberance engaged with the adjacent surface in the dop portion from
And realize and link locking, now, the oval major axis of the cross section of the action bars is horizontal direction；When the action bars revolves
When the oval major axis for going to cross section is vertical direction, the adjacent surface in the gib head protuberance and the dop portion depart from from
And unblock is realized, now, described two extension support members can cause in the presence of top pressure spring therebetween
The support plate be pressed on adjacent bridge structure body and so that the shear pin be inserted into corresponding to shearing hole in, it is described
Vertical extension in the extension support member on right side is provided with groove and motor, and movable block is provided with the groove, described
Movable block coordinates with the top pressure spring to be fixedly connected, and the movable block bosom opening position is provided with screw shell, the work
Motion block is slidably connected in the groove, and the first spacing block set, the inside grooves are provided with the slot opening
The movable block edge be provided with the second spacing block set, first spacing block set coordinates with second spacing block set and connected
Connect, the motor is provided with screw rod, vertical extension and the screw shell screw thread of the screw rod through the right side
It is connected, the shear pin outer surface is surrounded with tight buffer spring, and the tight buffer spring is close to the support plate one
End is fixedly connected with the support plate, and the tight buffer spring is in described two extension support members and bridge structure body
Cushioning effect from when shearing hole connects, and also there are fastening locking functions.
By the present invention, due to there is provided can elastic top open and two support arm parts away from each other, by with base
Supported hole on the side of body coordinates and can be by the elastomeric material at road surface by the friction of end card and matrix side
Supporting is in place and is flushed with road surface.And this device is easily installed, reason is, it is before the mounting by being arranged on two
Hook part and dop part between support arm it is sealed, enable to two support arms to be in contraction state close to each other,
Therefore it is easy in the gap that is successfully inserted between matrix, when needing to be secured in place the cladding system, passes through and operate tool
There is the elliptic cross-section action bars of long shape shaft, enable to hook part and the dop part to disengage, so as to by elastic top
The elastic top opening force of splenium part and by the end top pressure of two support arms to matrix side to realize fixation.More importantly, when
When the action bars with elliptic cross-section is in the contraction state vertical with the disengaged condition, by extruding opposite to each other or
Described two support arms are pushed, described two support arms can be close to each other and cause hook part and the dop component elasticity
Deform and be changed into locked state from disengaged condition so as to which the cladding system is converted into contraction state.This can manufactured
Finish and the conversion operation of this contraction state is carried out when transporting the cladding system, can also need cladding system from flexible
Taken when being removed in gap.This by pushing is by with from respective arm automatically into the performance of locked state
And the setting of flexible rod portion inclined toward each other and hook part and dop part when close to each other with being engaged with each other
Respective guiding surface sets to realize.And by setting the action bars when in the plumbness, it is permitted
Perhaps described hook part moves enough amounts to allow chain close of the hook to disengage towards the action bars, and described two pushing
Support arm is close to each other so that the action bars can be servo-actuated when entering locked state or slave mode is followed and freely rotated to keep away
Exempt to interfere the sealed action.Whole device is simple in construction, and operation is ingenious, can easily operate to realize that installation and removal are made
With so as to save the time of installation and removal and cost of labor, and use is reliable, stabilized structure.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the cladding system of the present invention, there is shown with described two extension support members each other
Sealed state；
Fig. 2 shows cladding system in Fig. 1 in released state, i.e., state when two extension support members are disconnected from each other；
Now the cladding system is installed in place in bridge expanssion joint.
Fig. 3 is the specific enlarged diagram of the disengagable lock hook in Fig. 1 and disengagable dop.
Embodiment
With reference to Fig. 1-3, the present invention is described in detail.
According to a kind of covering mechanism for bridge expanssion joint of embodiment, for being carried out at the road surface to bridge expanssion joint
Covering, including flushed with the level height of bridge pavement rubber body 9, the supporter 8 inside the rubber body 9,
And can in the supporter 8 towards and away from two extension support members 7 that mobile and structure is symmetrical, wherein, institute
State each horizontal extension for including smoothly moving in the reclaimed water of chute 81 of the supporter 8 in two extension support members 7
Head 721, the vertical extension 72 being connected with the horizontal extension head 721 and the lower end company with the vertical extension 72
The support arm 71 for connecing and extending towards adjacent bridge structure body, wherein, the end of described two extension support members 7 is provided with
To the support plate 73 abutted with the adjacent bridge structure body, it is provided with to insert on the end face of the support plate 73
To the shear pin 731 being arranged in the shearing hole of the adjacent bridge structure body；Wherein, one in two extension support members 7
Individual vertical extension 72 is fixedly installed disengagable lock hook 79, and another vertical extension 72 is fixedly installed corresponding
Disengagable locking dop 78, it is provided with cross section between the disengagable lock hook 79 and the disengagable locking dop 78 and is
The action bars 6 of ellipse, the action bars 6 are rotatably supported in the support rod 61 being fixedly connected with the bridge structure body
On；Wherein, the disengagable lock hook 79 includes the upper flexible extension for being connected and tilting down with adjacent bridge structure body
791st, the vertical extension 792 that is connected with the upper flexible extension 791 and positioned at the bottom of the vertical extension 792
The gib head protuberance 793 at place；The disengagable locking dop 78 includes connected and acclivitous with adjacent bridge structure body
Lower flexible extension 781, positioned at the dop portion 782 of the lower end of flexible extension 781, when the disengagable lock hook 79
When being in mutually locking state with the disengagable locking dop 78, the gib head protuberance 793 and the phase in the dop portion 782
Proximal surface engagement links locking so as to realize, now, the oval major axis of the cross section of the action bars 6 is horizontal direction；When
When the oval major axis that the action bars 6 is rotated to cross section is vertical direction, the gib head protuberance 793 and the dop
The adjacent surface in portion 782 departs from so as to realize unblock, and now, described two extension support members 7 can be located at top therebetween
Cause the support plate 73 to be pressed on adjacent bridge structure body in the presence of pressing spring 75 and cause the shear pin
731 are inserted into corresponding shearing hole, and the vertical extension 72 in the extension support member 7 on the right side is provided with the He of groove 101
Motor 107, the groove 101 is interior to be provided with movable block 102, and the movable block 102 coordinates with the top pressure spring 75 to be fixed
Connection, the bosom opening position of movable block 102 are provided with screw shell 105, and the movable block 102 is embedded in the groove 101
It is interior, and be slidably connected, the opening of groove 101 is provided with the first spacing block set 103, described inside the groove 101
The edge of movable block 102 is provided with the second spacing block set 104, and first spacing block set 103 is matched somebody with somebody with second spacing block set 104
Connection is closed, the motor 107 is provided with screw rod 106, vertical extension 72 and institute of the screw rod 106 through the right side
The mating connection of the screw thread of screw shell 105 is stated, the outer surface of shear pin 731 is surrounded with tight buffer spring 7311, the fastening
Buffer spring 7311 is fixedly connected close to described one end of support plate 73 with the support plate 73, and the tight buffer spring 7311 is used
With the cushioning effect from described two extend when support members 7 connect with the shearing hole of bridge structure body, and also have fastening locking
Function.
Valuably, wherein, it is described to be provided with sliding bevel portion between extension 792 and the gib head protuberance 793 vertically
790, be provided with the outer upper in the dop portion 782 corresponding to dop sliding bevel 780, when described two extension supports
When part 7 is recovered to lock-out state by its thrust close to each other is made by released state, the sliding bevel portion 790 can be with
Dop sliding bevel 780 is engaged so that the upper flexible extension 791 and the lower flexible extension 781 corresponding to described
Generation elastic deformation, and then the gib head protuberance 793 and the adjacent surface in the dop portion 782 are re-engaged with so as to again
Into lock-out state.
Due to there is provided can elastic top open and two support arm parts away from each other, by the side with matrix
Supported hole coordinate and by the friction of end card and matrix side the elastomeric material at road surface can be supported it is in place and
Flushed with road surface.And this device is easily installed, reason is, it is before the mounting by being arranged between two support arms
Hook part and dop part it is sealed, enable to two support arms to be in contraction state close to each other, therefore be easy to smoothly
It is inserted into the gap between matrix, when needing to be secured in place the cladding system, by operating with long shape shaft
Elliptic cross-section action bars, hook part and the dop part is enabled to disengage, so as to by the elasticity of elastic top splenium part
Top opening force and by the end top pressure of two support arms to matrix side to realize fixation.More importantly, there is ellipse when described
It is described two by extruding or pushing opposite to each other when the action bars of tee section is in the contraction state vertical with the disengaged condition
Support arm, described two support arms can it is close to each other and cause hook part and dop component elasticity deformation and from disengagement
State is changed into locked state so as to which the cladding system is converted into contraction state.This can finish in manufacture and transport described
The conversion operation of this contraction state is carried out during cladding system, can also be when needing to remove cladding system from flexible gap
And take.This by pushing is by with inclining toward each other from respective arm automatically into the performance of locked state
The setting of oblique flexible rod portion and hook part and dop part are oblique with the respective guiding being engaged with each other when close to each other
Face sets to realize.And by setting the action bars when in the plumbness, it allows the hook part
Enough amounts are moved towards the action bars to allow chain close of the hook to disengage, and are leaned on each other pushing described two support arms
Closely so that the action bars can be servo-actuated when entering locked state or slave mode is followed and freely rotated to avoid interference with the lock
Conjunction acts.
By that can be made within the scope of the invention according to mode of operation various with upper type, those skilled in the art
Change.
Claims (1)
1. a kind of covering mechanism for bridge expanssion joint, for being covered at the road surface to bridge expanssion joint, including with bridge
The rubber body that the level height on beam road surface flushes（9）, positioned at the rubber body（9）Internal supporter（8）And can
In the supporter（8）In towards and away from two symmetrical extension support members of mobile and structure（7）, wherein, described two
Individual extension support member（7）In each include can be in the supporter（8）Chute（81）The level that reclaimed water is smoothly moved is prolonged
Open up head（721）And the horizontal extension head（721）The vertical extension of connection（72）And with the vertical extension
（72）Lower end connection and the support arm extended towards adjacent bridge structure body（71）, wherein, described two extension support members
（7）End be provided with support plate to be abutted with the adjacent bridge structure body（73）, in the support plate（73）
End face on be provided with to be inserted into the shear pin being arranged in the shearing hole of the adjacent bridge structure body（731）；Its
In, two extension support members（7）In the vertical extension of one（72）It is fixedly installed disengagable lock hook（79）, another
Vertical extension（72）Disengagable locking dop corresponding to being fixedly installed（78）, in the disengagable lock hook（79）With institute
State disengagable locking dop（78）Between be provided with cross section for ellipse action bars（6）, the action bars（6）Rotatably
It is supported on the support rod being fixedly connected with the bridge structure body（61）On；Wherein, the disengagable lock hook（79）Including with
The upper flexible extension that adjacent bridge structure body is connected and tilted down（791）And the upper flexible extension（791）It is connected
Vertical extension（792）And positioned at the vertical extension（792）Lower end gib head protuberance（793）；It is described
Disengagable locking dop（78）Including connected with adjacent bridge structure body and acclivitous lower flexible extension（781）, position
In the lower flexible extension（781）The dop portion of end（782）, when the disengagable lock hook（79）With it is described disengagable
Lock dop（78）During in mutually locking state, the gib head protuberance（793）With the dop portion（782）Adjacent surface connect
Close and link locking so as to realize, now, the action bars（6）The oval major axis of cross section be horizontal direction；When described
Action bars（6）When the oval major axis rotated to cross section is vertical direction, the gib head protuberance（793）With the dop
Portion（782）Adjacent surface depart from so as to realize unblock, now, described two extension support members（7）Can be located at therebetween
Top pressure spring（75）In the presence of and cause the support plate（73）It is pressed on adjacent bridge structure body and causes institute
State shear pin（731）In shearing hole corresponding to being inserted into, the extension support member on the right side（7）Interior vertical extension（72）On
Provided with groove（101）And motor（107）, the groove（101）It is interior to be provided with movable block（102）, the movable block（102）With
The top pressure spring（75）Cooperation is fixedly connected, the movable block（102）Bosom opening position is provided with screw shell（105）,
The movable block（102）Embedded in the groove（101）It is interior, and be slidably connected, the groove（101）Opening is provided with first
Spacing block set（103）, the groove（101）The internal movable block（102）Edge is provided with the second spacing block set（104）,
First spacing block set（103）With second spacing block set（104）It is connected, the motor（107）It is provided with
Screw rod（106）, the screw rod（106）Vertical extension through the right side（72）With the screw shell（105）Screw thread is matched somebody with somebody
Close connection, the shear pin（731）Outer surface is surrounded with tight buffer spring（7311）, the tight buffer spring（7311）Lean on
The nearly support plate（73）One end and the support plate（73）It is fixedly connected, the tight buffer spring（7311）To described
Two extension support members（7）Cushioning effect from when connecting with the shearing hole of bridge structure body, and also there are fastening locking functions；
Wherein, the vertical extension（792）With the gib head protuberance（793）Between be provided with sliding bevel portion（790）, institute
State dop portion（782）Outer upper at be provided with corresponding to dop sliding bevel（780）, when described two extension support members
（7）When being recovered by its thrust close to each other is made by released state to lock-out state, the sliding bevel portion（790）Can
With the corresponding dop sliding bevel（780）It is engaged so that the upper flexible extension（791）Prolong with the lower elasticity
Extending portion（781）Generation elastic deformation, and then cause the gib head protuberance（793）With the dop portion（782）Adjacent surface again
It is secondary to engage to reenter lock-out state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610233365.8A CN105735121B (en) | 2016-04-15 | 2016-04-15 | A kind of covering mechanism for bridge expanssion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610233365.8A CN105735121B (en) | 2016-04-15 | 2016-04-15 | A kind of covering mechanism for bridge expanssion joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105735121A CN105735121A (en) | 2016-07-06 |
| CN105735121B true CN105735121B (en) | 2018-02-06 |
Family
ID=56254403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610233365.8A Active CN105735121B (en) | 2016-04-15 | 2016-04-15 | A kind of covering mechanism for bridge expanssion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105735121B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018072164A1 (en) * | 2016-10-20 | 2018-04-26 | 李良学 | Flexible-use covering mechanism for bridge expansion joint |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201901844U (en) * | 2010-12-08 | 2011-07-20 | 衡水橡胶股份有限公司 | Expansion device for railway bridges |
| EP2392732A2 (en) * | 2010-06-07 | 2011-12-07 | CDK Zarmutek GbR | Roadway joint system |
| CN204298726U (en) * | 2014-12-02 | 2015-04-29 | 王祥国 | A kind of Expansion Units for Highway Bridges |
| RU2558557C2 (en) * | 2009-09-30 | 2015-08-10 | Магеба - СХ АГ | Device to close compensation gap |
| CN204570471U (en) * | 2015-04-21 | 2015-08-19 | 杭州金知科技有限公司 | A kind of bridge stitches continuously |
| CN204570464U (en) * | 2015-01-14 | 2015-08-19 | 中国水利水电第一工程局有限公司 | A kind of bridge extension joint |
| CN105113394A (en) * | 2015-07-10 | 2015-12-02 | 吴刚 | Bridge provided with automatic cleaning type expansion joint device driven by electric motor |
-
2016
- 2016-04-15 CN CN201610233365.8A patent/CN105735121B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2558557C2 (en) * | 2009-09-30 | 2015-08-10 | Магеба - СХ АГ | Device to close compensation gap |
| EP2392732A2 (en) * | 2010-06-07 | 2011-12-07 | CDK Zarmutek GbR | Roadway joint system |
| CN201901844U (en) * | 2010-12-08 | 2011-07-20 | 衡水橡胶股份有限公司 | Expansion device for railway bridges |
| CN204298726U (en) * | 2014-12-02 | 2015-04-29 | 王祥国 | A kind of Expansion Units for Highway Bridges |
| CN204570464U (en) * | 2015-01-14 | 2015-08-19 | 中国水利水电第一工程局有限公司 | A kind of bridge extension joint |
| CN204570471U (en) * | 2015-04-21 | 2015-08-19 | 杭州金知科技有限公司 | A kind of bridge stitches continuously |
| CN105113394A (en) * | 2015-07-10 | 2015-12-02 | 吴刚 | Bridge provided with automatic cleaning type expansion joint device driven by electric motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105735121A (en) | 2016-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105735119B (en) | A kind of high bridge expanssion joint covering component of stability | |
| CN105735121B (en) | A kind of covering mechanism for bridge expanssion joint | |
| CN105839531B (en) | A kind of covering device for expansion joint for municipal bridge | |
| CN105735124B (en) | It is a kind of can stable operation bridge expanssion joint cladding system | |
| CN105887671B (en) | A kind of covering component for being used to cover bridge expanssion joint | |
| CN105648903B (en) | A kind of bridge expanssion joint overlay device for improving bridge performance | |
| CN105839528B (en) | A kind of bridge expanssion joint cladding system with vibration-damping function | |
| CN105648904B (en) | A kind of bridge expanssion joint cladding system with pooling feature | |
| CN105735122B (en) | A kind of covering device for expansion joint of municipal bridge | |
| CN105839524B (en) | A kind of easy bridge expanssion joint covering mechanism | |
| CN105887670B (en) | A kind of covering device for expansion joint of bridge pavement | |
| CN105648905B (en) | A kind of bridge expanssion joint covering component with LED light | |
| CN105648907B (en) | A kind of municipal bridge expanssion joint cladding system easy for installation | |
| CN105839525B (en) | One kind uses flexible bridge expanssion joint cladding system | |
| CN105648906B (en) | A kind of bridge expanssion joint cladding system | |
| CN105735120B (en) | A kind of elastic adjustable bridge expanssion joint covering mechanism | |
| CN105862581B (en) | A kind of bridge expanssion joint overlay device for improving service life | |
| CN105735125B (en) | A kind of denotable bridge expanssion joint covered structure | |
| CN105839527B (en) | A kind of cladding system for bridge expanssion joint | |
| CN105862580B (en) | A kind of bridge expanssion joint overlay device easy for installation | |
| CN105839523B (en) | A kind of safe cladding system of bridge expanssion joint | |
| CN105862582B (en) | A kind of denotable municipal bridge expanssion joint cladding system | |
| CN105839526B (en) | A kind of covered structure of bridge expanssion joint | |
| CN105887669B (en) | A kind of cladding system of bridge expanssion joint | |
| CN105735123B (en) | A kind of bridge expanssion joint covered structure of convenient installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yuan Meng Inventor after: Chang Xin Inventor after: Li Dexin Inventor before: Li Liangxue |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180109 Address after: 250200 Ji'nan Lishi District, Ji'nan, Shandong Province, No. 16547 Applicant after: Shandong Construction Engineering (Group) Co., Ltd. Address before: Jiaonan Dachang Town Qingdao city Shandong province 266000 Bu Jia Zhuang No. 41 Applicant before: Li Liangxue |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |