CN110510428A - The chain bucket of bucket continuous ship unloader band buffering guide wheel device - Google Patents
The chain bucket of bucket continuous ship unloader band buffering guide wheel device Download PDFInfo
- Publication number
- CN110510428A CN110510428A CN201910887810.6A CN201910887810A CN110510428A CN 110510428 A CN110510428 A CN 110510428A CN 201910887810 A CN201910887810 A CN 201910887810A CN 110510428 A CN110510428 A CN 110510428A
- Authority
- CN
- China
- Prior art keywords
- guide wheel
- bucket
- wheel device
- chain bucket
- chain
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/02—Loading or unloading machines comprising essentially a conveyor for moving the loads associated with a device for picking-up the loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/60—Loading or unloading ships
- B65G67/606—Loading or unloading ships using devices specially adapted for bulk material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Ship Loading And Unloading (AREA)
Abstract
The present invention provides a kind of chain bucket of bucket continuous ship unloader band buffering guide wheel device.The present invention includes chain bucket ontology and the buffering guide wheel device that is connected thereto, the chain bucket ontology is mounted on chain, bucket continuous ship unloader includes guide rail, and the buffering guide wheel device can be moved on guide rail by guide wheel, so that chain bucket ontology can advance in preset path.The present invention solves the problems such as offset of chain bucket during taking material, external applied load are to the impact of chain bucket, guarantees to realize the operation for stablizing safety when continuous ship discharging machine material takes promotion.All parts be it is separately fabricated, it is easy to process.Single unit system is the assembling of all parts, convenient for disassembly and assembly.It is compact-sized simple, it is easy to manufacture, it is practical.Maintenance is small, easy to operate.
Description
Technical field
The present invention relates to ship unloading equipment field more particularly to a kind of chains of bucket continuous ship unloader band buffering guide wheel device
Bucket.
Background technique
With the successive appearance of the high speed development and legislations of environmental protection of each great wisdom port and pier in recent years, equipment
Manufacturer and user are becoming increasingly recognized that efficient, prerequisite of the energy-saving and environmental protection as sustainable development.
In recent years, with the fast development of world commerce, bulk shipping amount surges, in order to control iron ore to bank at
This, sea-freight ship type is more and more large-scale, improves the unloading efficiency of harbour ship unloading equipment thus, reduces unloading cost, shortens ship
Become to become increasingly conspicuous in the problems such as ETA estimated time of arrival, quickening ship turnover, to ship unloaders production efficiency, more stringent requirements are proposed, and mesh
Before the grab bucket ship unloader single machine rated capacity that generallys use basically reached the economical operation limit of grab bucket ship unloader, be unable to satisfy
Harbour and larger-sized vessel growth requirement, the bigger continuous ship discharging machine of production capacity make the production for stepping into large pier
Industry.Grab bucket ship unloader generates a large amount of dust from flying during feeding and material casting and spills material simultaneously, and unloading efficiency is lower, energy consumption
It is larger.Therefore the unloading that the special-purpose machinery for bulk-handling operation is loaded and unloaded from the hoisting machinery of gap operation to specialized continous way
Machine development, and continous way ship unloaders achieve develop on a large scale very much during this period.The material of continous way ship unloaders conveys entirely in seal box
In vivo, the unloading point in machine takes dust elimination measure, can reduce pollution of the dust from flying to environment in operation.Continuous ship discharging machine is one
Kind novel environment-friendly ship unloading equipment, energy conservation, feature efficiently, environmentally friendly comply fully with the demand for development of low-carbon economy, in whole process
By voluntarily continuous feeding conveying in the cabinet of sealing, completes material and propose conveying.In addition, due to being to work continuously, thus have
Vibration and the characteristics of noise is small, high-efficient, energy consumption is relatively low and high degree of automation.
The chain bucket feeding device of prior art continous way ship unloaders is used to that material continuously to be taken and be mentioned from cabin
It rises, realizes material from the unloading in ship.However it there is offset of chain bucket during taking material, external applied load to chain
The problems such as impact of bucket, is easy to appear chain and takes off the perils such as chain.
Summary of the invention
According to technical problem set forth above, and provide a kind of chain of bucket continuous ship unloader band buffering guide wheel device
Bucket.The technological means that the present invention uses is as follows:
A kind of chain bucket of bucket continuous ship unloader band buffering guide wheel device, including chain bucket ontology and is connected thereto slow
Guide wheel device is rushed, the chain bucket ontology is mounted on chain, and guide rail, the buffering guide wheel device is arranged in bucket continuous ship unloader
It can be moved on guide rail by guide wheel, so that chain bucket ontology can advance in preset path.
Further, the buffering guide wheel device includes sleeve, disc spring, axis, bearing, Lower shaft sleeve and guide wheel mechanism, described
Sleeve is mounted on chain bucket, and axis is mounted in sleeve, and disc spring lower gasket is mounted on chain bucket, installs the disc spring, disc spring thereon
Upper gasket is mounted on the top of disc spring, and Lower shaft sleeve is sleeved on axis, and the lower end surface of Lower shaft sleeve is contacted with disc spring upper gasket, covers on axis
The bearing is connect, the guide wheel mechanism is socketed in the outside of axis, it is connected by the bearing with axis, the lower end surface of guide wheel mechanism
It is contacted with disc spring upper gasket.
Further, the buffering guide wheel device further includes float grease seal, and the float grease seal is sleeved on the outer of Lower shaft sleeve
Side, lower end surface are contacted with disc spring upper gasket.
Further, the bearing is tapered roller bearing, the two circular cone rollings up and down being specially symmetrically socketed on axis
Sub- bearing, the inner lane of two bearings and outer ring pass through internal axle sleeve respectively and outer shaft is fixed, and the internal axle sleeve is mounted on an axle, outer shaft
Set is mounted on buffering guide wheel device.
Further, the buffering guide wheel device includes guide wheel, further includes upper end cover and oil nozzle, and the upper end cover is detachable
Ground is connected on guide wheel, and oil nozzle is mounted in upper end cover.
Further, the top of axis is equipped with the fastening nut for fixing bearing upper surface, and the bottom end of axis is equipped with lock
Tight nut.
Further, it is welded with baffle plate on the chain bucket, is used to prevent sleeve rotating, fixes sleeve.
Further, the track of guide rail is two be symmetrical set, and the buffering guide wheel device is two.
The invention has the following advantages that
1, it solves the problems such as offset of chain bucket during taking material, external applied load are to the impact of chain bucket, guarantees continuous
Ship unloaders material can realize the operation for stablizing safety when taking promotion.
2, all parts are separately fabricated, easy to process.
3, single unit system is the assembling of all parts, convenient for disassembly and assembly.
4, this is compact-sized simple, easy to manufacture, practical.
5, maintenance is small, easy to operate.
The present invention can be widely popularized in ship unloading equipment field based on the above reasons.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is present invention installation main view.
Fig. 2 is present invention installation side view.
Fig. 3 is present invention buffering guide wheel device concrete structure schematic diagram.
In figure: 1, axis；2, sleeve；3, disc spring lower gasket；4, disc spring；5, disc spring upper gasket；6, float grease seal；7, lower axle
Set；8, bearing；9, oil nozzle；10, upper end cover；11, fastening nut；12, outer shaft；13, internal axle sleeve；14, guide wheel；15, baffle plate；
16, lock nut；A, chain；B, chain bucket ontology；C, guide rail.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
A kind of chain bucket of continuous ship discharging machine band buffering guide wheel device is present embodiments provided, as shown in Fig.1 and Fig.2, including chain
Bucket ontology b and the buffering guide wheel device being connected thereto, the chain bucket ontology are mounted on chain a, bucket continuous ship unloader
Guide rail c is set, and the buffering guide wheel device can be moved on guide rail c by guide wheel 14, so that chain bucket ontology can be
Preset path is advanced.Chain bucket is responsible for excavation and the loading of material as ontology.It is mounted on the chain bucket of continuous ship discharging machine simultaneously
Buffering guide wheel device is oriented to chain bucket operation.
As shown in figure 3, the buffering guide wheel device includes sleeve 2, disc spring 4, axis 1, bearing 8, Lower shaft sleeve 7 and guide wheel machine
Structure, the sleeve 2 are mounted on chain bucket, and axis 1 is mounted in sleeve 2, and disc spring lower gasket 3 is mounted on chain bucket, install institute thereon
Disc spring 4 is stated, disc spring upper gasket 5 is mounted on the top of disc spring, and Lower shaft sleeve 7 is sleeved on axis, on the lower end surface and disc spring of Lower shaft sleeve 7
Washer 5 contacts, and is socketed the bearing 8 on axis, the guide wheel mechanism is socketed in the outside of axis, passes through the bearing 8 and axis phase
Even, the lower end surface of guide wheel mechanism is contacted with disc spring upper gasket 5.
Material enters in bearing 8 in order to prevent, and as preferred embodiment, the buffering guide wheel device further includes floating
Oil sealing 6, the float grease seal 6 are sleeved on the outside of Lower shaft sleeve 7, and lower end surface is contacted with disc spring upper gasket 5.The bearing 8 is
Tapered roller bearing 8, two tapered roller bearings 8 up and down being specially symmetrically socketed on axis, the inner lane of two bearings 8 and outer ring
Fixed by internal axle sleeve 13 and outer shaft 12 respectively, the internal axle sleeve 13 is mounted on an axle, and outer shaft 12 is mounted on buffering guide wheel
On device.The buffering guide wheel device includes guide wheel 14, further includes upper end cover 10 and oil nozzle 9, the upper end cover 10 is removably
It is connected on guide wheel, oil nozzle 9 is mounted in upper end cover 10.The top of axis is equipped with the fastening spiral shell for 8 upper surface of fixing bearing
Mother 11, the bottom end of axis is equipped with locking nut.It is welded with baffle plate 15 on the chain bucket, is used to prevent the rotation of sleeve 2, fix
Sleeve 2.The track of guide rail c is two be symmetrical set, and the buffering guide wheel device is two.
Specifically, the present embodiment also discloses the installation side of the chain bucket of bucket continuous ship unloader band buffering guide wheel device
Method, 1, sleeve 2 is mounted on chain bucket, baffle plate 15 is welded on chain bucket, fixes sleeve by the rotation of sleeve 2 in order to prevent
2.2, disc spring lower gasket 3 is mounted on chain bucket, disc spring is installed thereon, disc spring upper gasket 5 installs the top of disc spring.3, axis is pacified
In sleeve 2.4, Lower shaft sleeve 7 is sleeved on axis, lower end surface is contacted with disc spring upper gasket 5.5, float grease seal 6 is sleeved on
The outside of Lower shaft sleeve 7, lower end surface are contacted with disc spring upper gasket 5.6, guide wheel device by bearing 8, outer shaft 12, internal axle sleeve 13, lead
Wheel composition, is installed in together.7, guide wheel device is sleeved on axis, lower end surface is contacted with disc spring upper gasket 5.It 8, will fastening
Nut 11 is mounted on the top of axis, the upper surface of fixing bearing 8, meanwhile, lock nut 16 is mounted on to the bottom end of axis, so may be used
The position of fixed entire guide wheel device.9, upper end cover 10 is screwed and is mounted in guide wheel, oil nozzle 9 is mounted in upper end cover 10.
When the present embodiment specific works, comprise the following processes,
A, guide wheel device is mounted on chain bucket b, and chain bucket b takes material operation；
B, guide wheel device is rolled along track c and is moved ahead, and because there are two guide wheel devices for installation on chain bucket b, therefore chain bucket b straight line is transported
Row；
C, guide wheel device rotates under the effect of bearing 8 around axis 1；
D, the Axial Shock Load of external applied load when because taking material, disc spring 4 can slow down punching by the deformation of itself with this
Hit influence of the load to directive wheel.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (8)
1. a kind of chain bucket of bucket continuous ship unloader band buffering guide wheel device characterized by comprising including chain bucket ontology and
The buffering guide wheel device being connected thereto, the chain bucket ontology are mounted on chain, and guide rail, institute is arranged in bucket continuous ship unloader
Stating buffering guide wheel device can be moved on guide rail by guide wheel, so that chain bucket ontology can advance in preset path.
2. the chain bucket of bucket continuous ship unloader band buffering guide wheel device according to claim 1, which is characterized in that described
Buffering guide wheel device includes sleeve, disc spring, axis, bearing, Lower shaft sleeve and guide wheel mechanism, and the sleeve is mounted on chain bucket, axis peace
In sleeve, disc spring lower gasket is mounted on chain bucket, installs the disc spring thereon, and disc spring upper gasket is mounted on the upper of disc spring
Portion, Lower shaft sleeve are sleeved on axis, and the lower end surface of Lower shaft sleeve is contacted with disc spring upper gasket, and the bearing, the guide wheel are socketed on axis
Mechanism is socketed in the outside of axis, is connected by the bearing with axis, the lower end surface of guide wheel mechanism is contacted with disc spring upper gasket.
3. the chain bucket of bucket continuous ship unloader band buffering guide wheel device according to claim 2, which is characterized in that described
Buffering guide wheel device further includes float grease seal, and the float grease seal is sleeved on the outside of Lower shaft sleeve, pads in lower end surface and disc spring
Circle contact.
4. the chain bucket of bucket continuous ship unloader band buffering guide wheel device according to claim 2, which is characterized in that described
Bearing is tapered roller bearing, two tapered roller bearings up and down being specially symmetrically socketed on axis, the inner lane of two bearings and
Outer ring passes through internal axle sleeve respectively and outer shaft is fixed, and the internal axle sleeve is mounted on an axle, and outer shaft is mounted on buffering guide wheel device
On.
5. the chain bucket of bucket continuous ship unloader band buffering guide wheel device according to claim 2, which is characterized in that described
Buffering guide wheel device includes guide wheel, further includes upper end cover and oil nozzle, and the upper end cover is detachably connected on guide wheel, oil nozzle peace
In upper end cover.
6. the chain bucket of bucket continuous ship unloader band buffering guide wheel device according to claim 2, which is characterized in that axis
Top is equipped with the fastening nut for fixing bearing upper surface, and the bottom end of axis is equipped with locking nut.
7. the chain bucket of bucket continuous ship unloader band buffering guide wheel device according to claim 2, which is characterized in that described
It is welded with baffle plate on chain bucket, is used to prevent sleeve rotating, fixes sleeve.
8. the chain bucket of described in any item bucket continuous ship unloader band buffering guide wheel devices according to claim 1~7, feature
It is, the track of guide rail is two be symmetrical set, and the buffering guide wheel device is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910887810.6A CN110510428B (en) | 2019-09-19 | 2019-09-19 | Chain bucket type continuous ship unloader chain bucket with buffer guide wheel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910887810.6A CN110510428B (en) | 2019-09-19 | 2019-09-19 | Chain bucket type continuous ship unloader chain bucket with buffer guide wheel device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110510428A true CN110510428A (en) | 2019-11-29 |
| CN110510428B CN110510428B (en) | 2023-10-03 |
Family
ID=68631437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910887810.6A Active CN110510428B (en) | 2019-09-19 | 2019-09-19 | Chain bucket type continuous ship unloader chain bucket with buffer guide wheel device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110510428B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111021443A (en) * | 2019-12-06 | 2020-04-17 | 神华粤电珠海港煤炭码头有限责任公司 | Novel chain bucket ship unloader digger bucket |
| CN113428682A (en) * | 2021-07-28 | 2021-09-24 | 大连华锐重工集团股份有限公司 | Chain bucket type continuous ship unloader material taking device with floating compensation function |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01150612A (en) * | 1987-12-09 | 1989-06-13 | Sumitomo Heavy Ind Ltd | Bucket elevator type continuous unloader |
| JPH0724830U (en) * | 1993-10-19 | 1995-05-12 | 石川島播磨重工業株式会社 | Bucket elevator for continuous unloader |
| JPH10273235A (en) * | 1997-03-31 | 1998-10-13 | Nippon Steel Corp | Bucket supporting device for continuous unloader |
| CN1241525A (en) * | 1998-07-15 | 2000-01-19 | 杨明福 | Bulk grain cargo unloader |
| CN102606635A (en) * | 2012-03-20 | 2012-07-25 | 中国重型机械研究院有限公司 | Axial buffering type intermediate shaft connecting coupler applicable to working conditions with high speed and heavy load |
| CN103183241A (en) * | 2011-12-28 | 2013-07-03 | 上海振华重工(集团)股份有限公司 | Excavation taking head for chain buckettype continuous ship unloader |
| CN106081669A (en) * | 2016-07-29 | 2016-11-09 | 上海海事大学 | Chain bucket reclaimer device and corresponding ship unloaders |
| CN206068729U (en) * | 2016-10-09 | 2017-04-05 | 江苏万达丰重工机械有限公司 | Tail wheel tensioner in bunker lift mechanism |
| CN210504800U (en) * | 2019-09-19 | 2020-05-12 | 大连华锐重工集团股份有限公司 | Chain bucket with buffer guide wheel device of chain bucket type continuous ship unloader |
-
2019
- 2019-09-19 CN CN201910887810.6A patent/CN110510428B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01150612A (en) * | 1987-12-09 | 1989-06-13 | Sumitomo Heavy Ind Ltd | Bucket elevator type continuous unloader |
| JPH0724830U (en) * | 1993-10-19 | 1995-05-12 | 石川島播磨重工業株式会社 | Bucket elevator for continuous unloader |
| JPH10273235A (en) * | 1997-03-31 | 1998-10-13 | Nippon Steel Corp | Bucket supporting device for continuous unloader |
| CN1241525A (en) * | 1998-07-15 | 2000-01-19 | 杨明福 | Bulk grain cargo unloader |
| CN103183241A (en) * | 2011-12-28 | 2013-07-03 | 上海振华重工(集团)股份有限公司 | Excavation taking head for chain buckettype continuous ship unloader |
| CN102606635A (en) * | 2012-03-20 | 2012-07-25 | 中国重型机械研究院有限公司 | Axial buffering type intermediate shaft connecting coupler applicable to working conditions with high speed and heavy load |
| CN106081669A (en) * | 2016-07-29 | 2016-11-09 | 上海海事大学 | Chain bucket reclaimer device and corresponding ship unloaders |
| CN206068729U (en) * | 2016-10-09 | 2017-04-05 | 江苏万达丰重工机械有限公司 | Tail wheel tensioner in bunker lift mechanism |
| CN210504800U (en) * | 2019-09-19 | 2020-05-12 | 大连华锐重工集团股份有限公司 | Chain bucket with buffer guide wheel device of chain bucket type continuous ship unloader |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111021443A (en) * | 2019-12-06 | 2020-04-17 | 神华粤电珠海港煤炭码头有限责任公司 | Novel chain bucket ship unloader digger bucket |
| CN113428682A (en) * | 2021-07-28 | 2021-09-24 | 大连华锐重工集团股份有限公司 | Chain bucket type continuous ship unloader material taking device with floating compensation function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110510428B (en) | 2023-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110510428A (en) | The chain bucket of bucket continuous ship unloader band buffering guide wheel device | |
| CN206443625U (en) | A kind of soup stock dispenser | |
| CN203111848U (en) | Rotary wall-type anti-blocking material bin | |
| CN105600300A (en) | MZ-type buried scraper sludge conveyor and MZ-type buried scraper sludge conveying method thereof | |
| CN111591789B (en) | Chain bucket type continuous ship unloader lifting system with material guiding function | |
| CN212221793U (en) | Chain bucket type continuous ship unloader lifting system with material guiding function | |
| CN206345469U (en) | A kind of bucket wheel device for discharging of stacker-reclaimer | |
| CN108190557A (en) | A kind of active feeding head device for burying scraper plate ship unloaders | |
| CN104444087B (en) | Vertical shaft hopper type continuous lifting system | |
| CN205602555U (en) | MZ type buries scraper blade mud conveyer | |
| CN106865153A (en) | A kind of transport refining ribbon conveyer with anti-deviation monitoring function | |
| CN210504800U (en) | Chain bucket with buffer guide wheel device of chain bucket type continuous ship unloader | |
| CN208070879U (en) | A kind of active feeding head device burying scraper plate ship unloaders | |
| CN204211249U (en) | The winding regenerative apparatus of waste steel wire rope | |
| CN203079196U (en) | Belt conveyor with cover plate | |
| CN203079192U (en) | Medium-sized coal bin matching scraper conveyer with loch gate | |
| CN207242792U (en) | It is a kind of to carry out lifting shockproof ribbon conveyer | |
| CN203652556U (en) | Buried scraper conveyer for conveying port bulk grains | |
| CN220950274U (en) | Forced rotary feeder | |
| KR20050097686A (en) | Continuous ship unloader with rotary transfer chute | |
| CN206032758U (en) | Combination formula magazine attachment suitable for harbour bulk cargo is transported | |
| CN201703825U (en) | Tail wheel structure of hoisting machine | |
| CN202175185U (en) | Stream guidance tube of fully-rotating thruster used for ship | |
| CN102921203B (en) | Central support seat of peripheral transmission thickener | |
| CN205001380U (en) | Centrifugation water film bearing |
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 |