CN207934153U - A kind of safeguard structure of embedded spool - Google Patents
A kind of safeguard structure of embedded spool Download PDFInfo
- Publication number
- CN207934153U CN207934153U CN201820144509.7U CN201820144509U CN207934153U CN 207934153 U CN207934153 U CN 207934153U CN 201820144509 U CN201820144509 U CN 201820144509U CN 207934153 U CN207934153 U CN 207934153U
- Authority
- CN
- China
- Prior art keywords
- placing groove
- slot
- spool
- cell wall
- groove
- 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
Landscapes
- Sewage (AREA)
Abstract
The utility model discloses a kind of safeguard structures of embedded spool, belong to spool and bury construction applications, it is desirable to provide a kind of safeguard structure of embedded spool, its key points of the technical solution are that：Including several placing grooves for being placed on bottom of trench for placing spool, placing groove notch is removably connected with cover board towards ground surface at placing groove notch, the side for placing groove groove wall towards cover board offers slot, plate, which is equipped with, is inserted into inserted block in slot, is placed adjacent between slot and is fixed by plug connector；The utility model has the advantages that：Reduce the possibility of spool deformation.
Description
Technical field
The utility model is related to spools to bury construction applications, more particularly to a kind of safeguard structure of embedded spool.
Background technology
Spool it is embedded when, to consider a variety of problems related with spool, for example sedimentation, guarded drainage, spool are safeguarded and protected
The problems such as foster and stress.
The patent of Chinese patent notification number CN201770986U discloses a kind of structure of embedded outdoor technique spool, including
Ditch, spool, metalling, microlith layer, river sand layer and drainpipe have wide 1.5-2 meters of ditch at away from outdoor road side 1-1.5 rice,
The metalling that bottom of trench is 20-40 centimetres, spool are located on metalling, and spool periphery is covered with the microlith layer or thick of 45-55 cm thicks
Layer of sand, there is 4-20 centimetres of river sand layer thereon, and drainpipe is connected between ditch bottom metalling and road rain water catch pit.
But it after spool is by downward power from earth's surface, is easy that spool is made to deform.
Utility model content
The purpose of this utility model is to provide a kind of safeguard structure of embedded spool, the advantage is that：Reduce spool change
The possibility of shape.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of embedded spool is prevented
Protection structure, including several placing grooves for being placed on bottom of trench for placing spool, the placing groove notch are described to put towards ground surface
It sets and is removably connected with cover board at slot notch, the side for placing groove groove wall towards cover board offers slot, on the plate
Equipped with inserted block in slot is inserted into, fixed by plug connector between the adjacent placing groove.
Through the above scheme, after spool is placed in placing groove by operator, the inserted block on cover board is inserted into slot, i.e.,
Can easily and efficiently by cover plate lid on placing groove, at this time from earth's surface pressure effect on the cover board, reduce spool because by
The possibility deformed to the pressure from earth's surface.
Further, the plug connector include be opened in placing groove towards be placed adjacent jack on the side cell wall of slot,
Inserting column that the insertion being located on the cell wall of the other side is placed adjacent in the jack of slot, be opened in placing groove on the cell wall of spool and
The mounting hole that is connected to jack, is opened in the groove being inserted into for fixed link on inserting column, opens up the fixed link being threaded through in mounting hole
It is connected in the first fixing groove on placing groove groove wall and positioned at mounting hole far from the first fixing groove at groove aperture, sliding
Slide plate, one end are located at slide plate far from fixed link side, the other end be located at slide plate far from the cell wall of fixed link side compressed spring,
It is opened in the second fixing groove being inserted into for slide plate in fixed link.
Through the above scheme, when operator will be placed adjacent slot by plug connector and link together, first by inserting column
Insertion is placed adjacent in the jack in slot, and then operator gives slide plate one power, make slide plate overcome the elastic force of compressed spring along
Direction far from fixed link is slided in the first fixing groove, until slide plate is detached with mounting hole, is then threaded through fixed link solid
Determine in hole and be inserted into groove, following operator removes the power being applied on slide plate, at this time elastic force of the slide plate in compressed spring
Effect is lower to be inserted into the second fixing groove, easily and efficiently realizes the fixation between being placed adjacent slot.
Further, shock absorber part is equipped in the slot, the shock absorber part includes that one end is located at slot slot bottom, and the other end connects
It is connected to the first spring of vibration damper plate, the vibration damper plate is moved in the inner wall upper edge slot short transverse of slot.
Through the above scheme, cover board is by after the pressure of earth's surface, and vibration damper plate is moved towards bottom of trench, at this time the first spring
It is compressed, therefore shock absorber part reduces when larger from the pressure of earth's surface effect on the cover board, cover board damages after stress
Bad possibility.
Further, it is equipped in the placing groove and spool is placed on the placing piece in placing groove, the placing piece includes
Between placing groove groove wall along the placements block of placing groove short transverse sliding, be opened in place and be used to place the semicircle of spool on block
Connected in star, is threaded through in lift span and far from lift span the lift span being opened on the side for placing block direction placement groove groove wall
One end of bottom hole, which is stretched out, places the elevating lever of groove groove wall, is opened in place and be moved along placing groove short transverse for elevating lever in groove groove wall
Dynamic fluting, one end are located at lift span bottom hole, the other end is located at elevating lever and is inserted into the second spring of lift span one end, is located at fluting
Baffle at ground surface side notch is located at the block contradicted towards ground surface side with baffle on elevating lever.
Through the above scheme, when spool is placed in placing groove by operator, spool is placed on half by operator first
In circular groove, semi-circular recesses reduce the possibility that spool moves in placement plate, then give one pulling force of elevating lever, at this time
Second spring is stretched, and elevating lever is next made to be moved along away from the direction of lift span bottom hole, until block and baffle detach,
Then elevating lever is moved along towards the direction of bottom of trench, until placing block towards the side of placing groove slot bottom and placing groove slot bottom
It contradicts, you can easily and efficiently by spool in placing groove, remove pulling force at this time, block contradicts on placing groove sidewall, reduces
Elevating lever occupies the space of ditch.When operator takes out spool out of placing groove, the person of being operated first gives elevating lever one pulling force,
So that elevating lever is moved along away from the direction of lift span bottom hole, then moves elevating lever along towards the direction of ground surface, when
When block is higher than baffle towards the side of bottom of trench, pulling force is removed, elevating lever is under the pulling force of second spring along towards lift span
The direction of bottom hole is moved, and block is next made to be contradicted on baffle towards the side of bottom of trench, then by spool from semi-circular recesses
Interior taking-up.
Further, the baffle and block contradict position and offer embedding slot, rolled in the embedding slot be connected with
The ball that block contradicts.
Through the above scheme, the friction between baffle and block is changed into rolling friction by ball by sliding friction, convenient
Operator detaches baffle and block.
Further, the cover board is equipped with reinforcing rib.
Through the above scheme, when cover board is larger by the pressure from earth's surface, cover board occurs the possibility of damage, is located at
Reinforcing rib on cover board then reduces cover board and the possibility damaged occurs.
Further, the placement groove groove wall is equipped with extension board close to one end of bottom of trench, and the extension board is along away from placement
The direction of groove groove wall.
Through the above scheme, operator is when spool to be placed in placing groove, due to deviate from lift span to elevating lever
The pulling force of bottom hole, so placing groove occurs the possibility toppled over, extension board then increases the contact surface between placing groove and bottom of trench
Product, therefore extension board reduces placing groove and the possibility toppled over occurs.
Further, rubber layer is equipped in the semi-circular recesses.
Through the above scheme, operator wants spool to be placed in semi-circular recesses, so spool and semi-circular recesses can produce
Raw friction, rubber layer then reduce the wear extent between spool and semi-circular recesses.
Further, the cover board is equipped with handle towards the side of ground surface.
Through the above scheme, operator needs operator to be manually operated by cover plate lid when on placing groove, is located at lid
Plate then facilitates the operation of operator towards the handle of the side of ground surface.
To sum up, the utility model has the advantages that：Spool is placed in placing groove by operator, then by cover board
It covers on placing groove notch, the pressure effect in this way from earth's surface on the cover board, therefore reduces spool because by from earth's surface
Pressure and the possibility that deforms.
Description of the drawings
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is the structural schematic diagram that the present embodiment is used to embody inserting column；
Fig. 3 is the structural schematic diagram that the present embodiment is used to embody ball；
Fig. 4 is the structural schematic diagram that the present embodiment is used to embody plug connector；
Fig. 5 is the structural schematic diagram that the present embodiment is used to embody lift span；
Fig. 6 is the structural schematic diagram that the present embodiment is used to embody shock absorber part.
In figure, 1, ditch；11, spool；12, placing groove；13, cover board；14, slot；15, inserted block；2, plug connector；21, jack；
22, inserting column；23, mounting hole；24, fixed link；25, groove；26, the first fixing groove；27, slide plate；28, the second fixing groove；29, it presses
Contracting spring；3, shock absorber part；31, vibration damper plate；32, the first spring；4, block；41, block is placed；42, semi-circular recesses；43, it lifts
Hole；44, elevating lever；45, it slots；46, second spring；47, baffle；5, embedding slot；51, ball；6, reinforcing rib；7, extension board；
8, rubber layer；9, handle.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical parts 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.
A kind of safeguard structure of embedded spool, such as Fig. 1, including several placements for being placed on 1 bottom of ditch for placing spool 11
Slot 12,12 notch of placing groove are removably connected with cover board 13,12 cell wall direction of placing groove towards ground surface at 12 notch of placing groove
The side of cover board 13 offers slot 14（Such as Fig. 6）, plate, which is equipped with, is inserted into inserted block 15 in slot 14（Such as Fig. 6）；Operator will
After spool 11 is placed in placing groove 12, by cover board 13（Such as Fig. 6）It covers on placing groove 12, cover board 13 is covered on placing groove 12
When, inserted block 15 need to be only inserted into slot 14, you can easily and efficiently cover board 13 is covered on placing groove 12, comes from ground at this time
The pressure of table acts on cover board 13, reduces the possibility that spool 11 deforms due to by the pressure from earth's surface.
Such as Fig. 4, it is placed adjacent between slot 12 and is fixed by plug connector 2, plug connector 2 includes being opened in placing groove 12 towards phase
Jack 21 on the side cell wall of adjacent placing groove 12, the insertion being located on the cell wall of the other side are placed adjacent in the jack 21 of slot 12
Inserting column 22, be opened in placing groove 12 away from spool 11 cell wall on and be connected to jack 21 mounting hole 23, be threaded through mounting hole
Fixed link 24 in 23 is opened in the groove 25 being inserted into for fixed link 24 on inserting column 22, is opened on 12 cell wall of placing groove and position
In mounting hole 23 slide plate 27, one in the first fixing groove 26 is connected to far from the first fixing groove 26 at 25 aperture of groove, sliding
End is located at slide plate 27 far from 24 side of fixed link, and the other end is located at slide plate 27 far from the compressed spring on 24 side cell wall of fixed link
29, it is opened in the second fixing groove 28 being inserted into for slide plate 27 in fixed link 24.
Such as Fig. 4, when operator will be placed adjacent slot 12 by plug connector 2 and link together, inserting column 22 is inserted first
Enter to be placed adjacent in the jack 21 in slot 12, then operator gives slide plate 27 1 power, and slide plate 27 is made to overcome compressed spring 29
Elastic force is along the sliding in the first fixing groove 26 of the direction far from fixed link 24, until slide plate 27 is detached with mounting hole 23, then
Fixed link 27 is threaded through in mounting hole 23 and is inserted into groove 25, following operator removes the power being applied on slide plate 27,
Slide plate 27 is inserted under the elastic force effect of compressed spring 29 in the second fixing groove 28 at this time, easily and efficiently realizes adjacent put
Set the fixation between slot 12.
Such as Fig. 6, slot 14 is interior to be equipped with shock absorber part 3, and shock absorber part 3 is located at 14 slot bottom of slot including one end, and the other end is connected with
First spring 32 of vibration damper plate 31, vibration damper plate 31 are moved in 14 short transverse of inner wall upper edge slot of slot 14.Cover board 13 by
After pressure from earth's surface, vibration damper plate 31 is towards ditch 1（Such as Fig. 1）Bottom is moved, and the first spring 32 is compressed at this time, therefore shock absorber part
3 reduce when acted on from earth's surface the pressure on cover board 13 it is larger when, there is the possibility damaged after stress in cover board 13.
Such as Fig. 4, spool 11 is placed on the placing piece in placing groove 12 by interior be equipped with of placing groove 12, and placing piece is included in placement
Between 12 cell wall of slot along 12 short transverse of placing groove sliding placements block 41, be opened in place block 41 on be used for place spool 11
Semi-circular recesses 42 are opened in and place block 41 towards the lift span 43 on the side of 12 cell wall of placing groove（Such as Fig. 5）, be threaded through liter
It stretches out the elevating lever 44 of 12 cell wall of placing groove, be opened in 12 cell wall of placing groove in drop hole 43 and one end far from 43 bottom hole of lift span
On moved along 12 short transverse of placing groove for elevating lever 44 fluting 45, one end is located at 43 bottom hole of lift span, the other end is located at liter
The second spring 46 that bar 44 is inserted into 43 one end of lift span drops（Such as Fig. 5）, be located at 45 gear at the notch of ground surface side of fluting
Plate 47 is located at the block 4 contradicted towards ground surface side with baffle 47 on elevating lever 44.
Such as Fig. 4, when spool 11 is placed in placing groove 12 by operator, spool 11 is placed on semicircle by operator first
In connected in star 42, semi-circular recesses 42 reduce the possibility that spool 11 moves in placement plate, then give elevating lever 44 1 drawings
Power, at this time second spring 46 be stretched, next make elevating lever 44 along away from lift span 43（Such as Fig. 5）The direction of bottom hole is moved
It is dynamic, until block 4 and baffle 47 detach, then elevating lever 44 is moved along towards the direction at 1 bottom of ditch, until placing 41 court of block
It is contradicted to the side of 12 slot bottom of placing groove and 12 slot bottom of placing groove, you can easily and efficiently by spool 11 in placing groove 12, this
When remove pulling force, block 4 contradicts on 12 side wall of placing groove, reduces the space that elevating lever 44 occupies ditch 1.Operator is by spool
When 11 taking-up interior from placing groove 12, the person of being operated first gives elevating lever 44 1 pulling force, makes elevating lever 44 along away from lift span 43
The direction of bottom hole is moved, and then moves elevating lever 44 along towards the direction of ground surface, when block 4 is towards the side at 1 bottom of ditch
When higher than baffle 47, pulling force is removed, elevating lever 44 is in second spring 46（Such as Fig. 5）Pulling force under along towards 43 bottom hole of lift span
Direction movement, so that block 4 is contradicted on baffle 47 towards the side at 1 bottom of ditch, then by spool 11 from semicircle recessed
It is taken out in slot 42.
Such as Fig. 3, due to block 4（Such as Fig. 4）It is sliding friction between baffle 47, so being not easy to operator by block 4
It is detached with baffle 47, therefore contradicts position in baffle 47 and block 4 and open up embedding slot 5, the interior rolling of embedding slot 5 is connected with and block
Friction between baffle 47 and block 4 is changed into rolling friction by sliding friction, facilitated by 4 balls 51 contradicted, ball 51
Operator detaches baffle 47 and block 4.
Such as Fig. 6, when cover board 13 is larger by the pressure from earth's surface, cover board 13 occurs the possibility of damage, in order to drop
This low possibility, cover board 13 are equipped with reinforcing rib 6, and reinforcing rib 6 then reduces cover board 13 and the possibility damaged occurs.
Such as Fig. 4, operator is when spool 11 to be placed in placing groove 12, since elevating lever 44 to be given deviates from lift span 43
The pulling force of bottom hole, so placing groove 12 occurs the possibility toppled over, it is possible in order to reduce this, in 12 cell wall of placing groove close to ditch
The one end at 1 bottom is equipped with extension board 7, extension board 7 along away from the direction of 12 cell wall of placing groove, extension board 7 increase placing groove 12 with
Contact area between 1 bottom of ditch, therefore extension board 7 reduces placing groove 12 and the possibility toppled over occurs.
Such as Fig. 4, operator wants spool 11 to be placed in semi-circular recesses 42, so spool 11 and semi-circular recesses 42 can produce
Raw friction, causes to generate certain wear extent between spool 11 and semi-circular recesses 42, semicircle in order to reduce this wear extent
Rubber layer 8 is equipped in groove 42.
Such as Fig. 4, operator covers cover board 13 when on placing groove 12, needs operator to be manually operated, for convenience
The operation of operator, cover board 13 are equipped with handle 9 towards the side of ground surface.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (9)
1. a kind of safeguard structure of embedded spool, it is characterized in that：It is placed on ditch including several（1）Bottom is for placing spool（11）'s
Placing groove（12）, the placing groove（12）Notch is towards ground surface, the placing groove（12）Cover board is removably connected at notch
（13）, the placing groove（12）Cell wall is towards cover board（13）Side offer slot（14）, the cover board（13）It is equipped with and inserts
Enter slot（14）Interior inserted block（15）, the adjacent placing groove（12）Between pass through plug connector（2）It is fixed.
2. a kind of safeguard structure of embedded spool according to claim 1, it is characterized in that：The plug connector（2）Including opening
It is located at placing groove（12）Direction is placed adjacent slot（12）Side cell wall on jack（21）, the insertion that is located on the cell wall of the other side
It is placed adjacent slot（12）Jack（21）Interior inserting column（22）, be opened in placing groove（12）Away from spool（11）Cell wall on and with
Jack（21）The mounting hole of connection（23）, be threaded through mounting hole（23）Interior fixed link（24）, be opened in inserting column（22）It is upper to supply admittedly
Fixed pole（24）The groove of insertion（25）, be opened in placing groove（12）On cell wall and it is located at mounting hole（23）Far from groove（25）Aperture
First fixing groove at place（26）, sliding be connected to the first fixing groove（26）Interior slide plate（27）, one end be located at slide plate（27）It is separate
Fixed link（24）Side, the other end are located at slide plate（27）Far from fixed link（24）Compressed spring on the cell wall of side（29）, open up
In fixed link（24）On for slide plate（27）The second fixing groove being inserted into（28）.
3. a kind of safeguard structure of embedded spool according to claim 1, it is characterized in that：The slot（14）Interior be equipped with subtracts
Shake part（3）, the shock absorber part（3）It is located at slot including one end（14）Slot bottom, the other end are connected with vibration damper plate（31）The first bullet
Spring（32）, the vibration damper plate（31）In slot（14）Inner wall upper edge slot（14）Short transverse moves.
4. a kind of safeguard structure of embedded spool according to claim 1, it is characterized in that：The placing groove（12）Inside it is equipped with
By spool（11）It is placed on placing groove（12）Interior placing piece, the placing piece are included in placing groove（12）Along placement between cell wall
Slot（12）The placement block of short transverse sliding（41）, be opened in placement block（41）On for placing spool（11）Semi-circular recesses
（42）, be opened in placement block（41）Towards placing groove（12）Lift span on the side of cell wall（43）, be threaded through lift span（43）
Interior and separate lift span（43）Placing groove is stretched out in one end of bottom hole（12）The elevating lever of cell wall（44）, be opened in placing groove（12）Slot
For elevating lever on wall（44）Along placing groove（12）The fluting of short transverse movement（45）, one end be located at lift span（43）It is bottom hole, another
One end is located at elevating lever（44）It is inserted into lift span（43）The second spring of one end（46）, be located at fluting（45）Close to ground surface side
Baffle at notch（47）, be located at elevating lever（44）Upper and baffle（47）The block contradicted towards ground surface side（4）.
5. a kind of safeguard structure of embedded spool according to claim 4, it is characterized in that：The baffle（47）With block
（4）It contradicts position and offers embedding slot（5）, the embedding slot（5）Interior rolling is connected with and block（4）The ball of conflict（51）.
6. a kind of safeguard structure of embedded spool according to claim 4, it is characterized in that：The cover board（13）It is equipped with and adds
Strengthening tendons（6）.
7. a kind of safeguard structure of embedded spool according to claim 4, it is characterized in that：The placing groove（12）Cell wall leans on
Nearly ditch（1）The one end at bottom is equipped with extension board（7）, the extension board（7）Along away from placing groove（12）The direction of cell wall.
8. a kind of safeguard structure of embedded spool according to claim 4, it is characterized in that：The semi-circular recesses（42）It is interior
Equipped with rubber layer（8）.
9. a kind of safeguard structure of embedded spool according to claim 1, the cover board（13）Towards the side of ground surface
Equipped with handle（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820144509.7U CN207934153U (en) | 2018-01-26 | 2018-01-26 | A kind of safeguard structure of embedded spool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820144509.7U CN207934153U (en) | 2018-01-26 | 2018-01-26 | A kind of safeguard structure of embedded spool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207934153U true CN207934153U (en) | 2018-10-02 |
Family
ID=63650335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820144509.7U Active CN207934153U (en) | 2018-01-26 | 2018-01-26 | A kind of safeguard structure of embedded spool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207934153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112741440A (en) * | 2020-12-28 | 2021-05-04 | 上海酬诺弹簧实业有限公司 | Cushion spring bag and manufacturing process thereof |
-
2018
- 2018-01-26 CN CN201820144509.7U patent/CN207934153U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112741440A (en) * | 2020-12-28 | 2021-05-04 | 上海酬诺弹簧实业有限公司 | Cushion spring bag and manufacturing process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207934153U (en) | A kind of safeguard structure of embedded spool | |
| CN110499816A (en) | A kind of connection structure and construction method of town road gully | |
| CN103397662A (en) | Comprehensive pipe gallery structure | |
| KR101189094B1 (en) | A collection device for a waste of a soil pipe | |
| CN201390946Y (en) | Wave dissipating plate used for armor block of sloping faced breakwater | |
| CN2894259Y (en) | Water floating container | |
| US20110031174A1 (en) | Floor water tank filtering device for three-in-one sewers | |
| CN203960905U (en) | Double shielding well lid | |
| CN204059542U (en) | Novel plastic manhole | |
| CN206826427U (en) | A kind of buried high-power charging pile of four charge positions | |
| CN204059415U (en) | A kind of fall arrest inspection shaft | |
| CN207426632U (en) | A kind of communications cable protective device | |
| CN214695751U (en) | Cement cover plate | |
| CN203334317U (en) | Novel anti-theft and anti-dropping combined type safety well lid | |
| CN103993614A (en) | Double-layer protective well lid | |
| CN208981867U (en) | A kind of lift-sliding carrier vehicle library is put in storage guiding device | |
| CN209545491U (en) | A kind of photovoltaic power generation structure waterborne | |
| CN220318566U (en) | Upper cover plate with multilayer anti-corrosion structure | |
| CN210684599U (en) | Ecological bank protection structure | |
| CN220266610U (en) | Local precipitation structure in foundation ditch | |
| CN108915350A (en) | A kind of elevating guardrail for landscape pond | |
| CN208039322U (en) | Low noise well lid | |
| CN207284001U (en) | A kind of switch board with double-deck cabinet lid | |
| CN2612731Y (en) | Sand drain cover | |
| CN105926990A (en) | Top hood device for electronic bus station board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |