CN107139330A - A kind of bridge maintaining equipment - Google Patents
A kind of bridge maintaining equipment Download PDFInfo
- Publication number
- CN107139330A CN107139330A CN201710316390.7A CN201710316390A CN107139330A CN 107139330 A CN107139330 A CN 107139330A CN 201710316390 A CN201710316390 A CN 201710316390A CN 107139330 A CN107139330 A CN 107139330A
- Authority
- CN
- China
- Prior art keywords
- chute
- resettlement groove
- slide plate
- groove
- rotary column
- 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
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A kind of bridge maintaining equipment, including tank shell, stir axle and stir leaf, organism is fixedly mounted in tank shell upper end, left and right equity is provided with the first chute in body, positioned at the 3rd chute of the second chute and the chute of UNICOM first of the first chute upper end and the chute of UNICOM first, in body resettlement groove and lower resettlement groove are respectively arranged with positioned at the 3rd chute top and bottom, penetrating groove is provided between upper resettlement groove and lower resettlement groove and the 3rd chute, in 3rd chute can left and right it is smooth and left and right equity is provided with slide plate, the rotary column stretched up and down is operably installed in slide plate, rotary column upper end extends upward through penetrating groove and is stretched in resettlement groove, lower end is downward through penetrating groove and is stretched in lower resettlement groove, rotary column upper end is installed with tooth roller, the upper fluted disc being engaged with upper tooth roller is installed in upper resettlement groove, rotary column upper end is installed with lower tooth roller.
Description
Technical field
The present invention relates to bridge facility technical field, more particularly to a kind of bridge maintaining equipment.
Background technology
Mud is one of raw material most commonly seen during bridge pavement is safeguarded, after it is mainly stirred by cement, sandstone water mixing
It is made, the pouring for being mainly used in hogwallow after bridge pavement is damaged is filled up, for the stirring in mud manufacturing process in tradition
Typically all using artificial stirring, its stirring efficiency is low, stirs more uneven so that safeguard that progress is slow, it is existing in
There is more automation mud stirring device, but its use cost is high, and also the mixing component in it directly connects with stirring motor
Connect, when surprisingly opening stirring motor in charging and discharging, easily cause the damage of mixer, also easily attendant is made
Into injury, therefore, existing agitating device barrier propterty is poor, still there is potential safety hazard, it is necessary to improve.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of bridge maintaining equipment.
The present invention is achieved through the following technical solutions:A kind of bridge maintaining equipment, including tank shell, stir axle with
And leaf is stirred, the tank shell upper end is fixedly mounted left and right equity in organism, the body and is provided with the first chute, positioned at institute
The 3rd chute of the first chute described in the second chute of the first chute described in the first chute upper end and UNICOM and UNICOM is stated, it is described
Resettlement groove and lower resettlement groove are respectively arranged with positioned at the 3rd chute top and bottom in body, the upper resettlement groove is with
Be provided between resettlement groove and the 3rd chute in penetrating groove, the 3rd chute can left and right it is smooth and left and right equity is installed
Have and the rotary column stretched up and down is operably installed in slide plate, the slide plate, the rotary column upper end extends upward through described penetrating
Groove is simultaneously stretched in the upper resettlement groove, and lower end is downward through the penetrating groove and is stretched in the lower resettlement groove, institute
State rotary column upper end and be installed with tooth roller, the upper resettlement groove and the upper tooth being engaged with the upper tooth roller is installed
Disk, the rotary column upper end is installed with lower tooth roller, the upper resettlement groove roof and is fixedly installed the first motor and second
Motor, the upper fluted disc is connected with second motor power, it is described stir that axle upper end can operate be arranged in the body,
And described stir on axle is installed with lower tooth disk, second chute and can operated at the position in the lower resettlement groove
Ground is provided with screw rod, second chute can smoothly install organic frame up and down, and the frame coordinates with the screw flight,
And the screw rod lower end is connected with first motor power, flashing board, the flashing board are fixed with the top of the body
Equity is provided with two groups of LED illumination lamps before and after bottom.
Further technical scheme, the 3rd chute centre is fixedly installed block, and the block and the cunning
Return unit is fixedly connected between plate.
Further technical scheme, the frame lower end is fixedly installed the armed lever penetrated into first chute, institute
State armed lever bottom and be provided with the oblique cunning portion for facing the slide plate, and the oblique sliding portion is provided with outside the first oblique sliding surface, the slide plate
Side is provided with the second oblique sliding surface being engaged with the described first oblique sliding surface.
Further technical scheme, body lower end centre is fixedly installed boss, and the boss centre is set
Hole.
Further technical scheme, the tank shell upper end is provided with feed recess, and lower end is provided with splicing recess.
The beneficial effects of the invention are as follows:Apparatus of the present invention are in original state, and frame is located at the second chute bottom, tiltedly slide portion
Head is located at the first chute bottom, and slide plate is pushed outwardly in the presence of return unit and makes the first of the second oblique sliding surface and slide plate
Oblique sliding surface is mutually compressed, also, upper tooth roller departs from upper fluted disc, meanwhile, lower tooth roller and lower tooth disk detachment, now, the second horse
Rotate, stirred it is therefore possible to prevent the second motor is inadvertently opened drive up to rotating not driving to stir axle and stir leaf
Axle and stir leaf rotate and cause to injury to personnel;
In use, closing splicing recess and loading from feed recess after slurry mixture, start the first motor and drive frame upward
It is mobile, frame band semaphore upward sliding, and the first oblique sliding surface may act on the second oblique sliding surface, so as to drive slide plate to inner side
Slide, and upper tooth roller and lower tooth roller follow slide plate to move inward and be meshed respectively with upper fluted disc and lower tooth disk, work as machine
When frame slides into peak, upper tooth roller and lower tooth roller are at a fully engaged with upper fluted disc and lower tooth disk respectively, now stop first
Motor simultaneously starts the second motor, and the second motor drives upper fluted disc to rotate, and upper fluted disc can drive tooth roller and lower tooth roller to turn
Dynamic, lower tooth roller can drive lower tooth disk to rotate, and rotated so as to drive to stir axle and stir leaf, slurry mixture is stirred
Mix;
After the completion of stirring, stop the second motor, and drive the first motor to rotate backward, the first motor drive frame and armed lever to
Lower movement, and slide plate is pushed outwardly in the presence of return unit and tooth roller is departed from upper fluted disc, meanwhile, lower tooth roller
With lower tooth disk detachment, then open splicing recess and carry out safe discharging;
Apparatus of the present invention are simple in construction, can realize that automatic stirring replaces artificial stirring, improve bridge inspection and maintenance efficiency and stable,
It is safe, workmen and equipment can be protected.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of bridge maintaining equipment of the present invention;
Fig. 2 is the close-up schematic view of region of interest in Fig. 1;
Fig. 3 is in the structural representation at upper position for the frame in Fig. 2;
Fig. 4 is flashing board and the upward view of LED illumination lamp in Fig. 1.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
This specification(Including any accessory claim, summary and accompanying drawing)Disclosed in any feature, except non-specifically is chatted
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
As Figure 1-4, a kind of bridge maintaining equipment of the invention, including tank shell 10, stir axle 11 and stir leaf
12, the upper end of tank shell 10 is fixedly mounted left and right equity in organism 20, the body 20 and is provided with the first chute 24, is located at
Of first chute 24 described in second chute 21 of the first chute 24 described in the upper end of the first chute 24 and UNICOM and UNICOM
In three chutes 23, the body 20 resettlement groove 22 and lower placement are respectively arranged with positioned at the top and bottom of the 3rd chute 23
Groove 25, penetrating groove 231, the described 3rd are provided between the upper resettlement groove 22 and lower resettlement groove 25 and the 3rd chute 23
In chute 23 can left and right it is smooth and left and right equity is provided with slide plate 60, the slide plate 60 and is operably provided with what is stretched up and down
Rotary column 50, the upper end of rotary column 50 extends upward through the penetrating groove 231 and is stretched in the upper resettlement groove 22, and lower end is passed through downwards
Wear the penetrating groove 231 and be stretched in the lower resettlement groove 25, the upper end of rotary column 50 is installed with tooth roller 51, institute
The upper fluted disc 42 for being provided with and being engaged with the upper tooth roller 51 in resettlement groove 22 is stated, the upper end of rotary column 50 is installed with
The first motor 31 and the second motor 41, the upper fluted disc 42 are fixedly installed in lower tooth roller 52, the upper roof of resettlement groove 22
With the power connector of the second motor 41, it is described stir that the upper end of axle 11 can operate be arranged in the body 20, and described stir
Sympodium 11, which is located at the position in the lower resettlement groove 25, to be installed with lower tooth disk 53, second chute 21 operably
Organic frame 33 can smoothly be installed up and down by being provided with screw rod 32, second chute 21, the frame 33 and the screw rod 32
Screw thread coordinates, and the lower end of the screw rod 32 and the power connector of the first motor 31, and the top of the body 20 is fixed with anti-
Equity can effectively be prevented provided with two groups of LED illumination lamps 17 by the flashing board 16 before and after rain plate 16, the bottom of flashing board 16
Only rainwater penetrates into the body 20 and influences the normal operation of the present apparatus, when the LED illumination lamp 17 is stirred for night
Illumination, so as to accelerate maintenance efficiency.
Valuably, the centre of the 3rd chute 23 is fixedly installed block 26, and the block 26 and the slide plate 60
Between be fixedly connected with return unit 261, the return unit 261 is the slide plate 60 to be pushed outwardly.
Valuably, the lower end of frame 33 is fixedly installed the armed lever 34 penetrated into first chute 24, the arm
Bar bottom is provided with the oblique cunning portion 35 for facing the slide plate 60, and the oblique sliding portion 35 is provided with the first oblique sliding surface 350, the cunning
The outboard end of plate 60 is provided with the second oblique sliding surface 600 being engaged with the described first oblique sliding surface 350.
Valuably, the lower end centre of body 20 is fixedly installed boss 15, and the centre of boss 15 is provided with hole
Hole, described hole is to allow the axle 11 that stirs to run through and can prevent from described stirring axle and shaking.
Valuably, the upper end of tank shell 10 is provided with feed recess 14, and lower end is provided with splicing recess 13.
During original state, the frame 33 is located at the bottom of the second chute 21, and the oblique sliding size is located at described first
The bottom of chute 24, and the slide plate 60 is pushed outwardly in the presence of the return unit 261 and makes the described second oblique sliding surface 600
Mutually compressed with the first oblique sliding surface 350 of the slide plate 60, also, the upper tooth roller 51 departs from the upper fluted disc 42, meanwhile,
The lower tooth roller 52 departs from the lower tooth disk 53;
In use, closing the splicing recess 13 and loading from the feed recess 14 after slurry mixture, start described first
Motor 31 drives the screw rod 32 to rotate, and due to the screw rod 32 and the screw thread of frame 33 cooperation, therefore, the screw rod 32 can
The frame 33 is driven to move up, the frame 33 drives the upward sliding of armed lever 34, and the first oblique sliding surface 350 can
The described second oblique sliding surface 600 is acted on, so as to drive the inside Slideslip of the slide plate 60, and the upper tooth roller 51 and lower tooth
Gear wheel 52 follows the slide plate 60 to move inward and be meshed respectively with the upper fluted disc 42 and lower tooth disk 53, when the frame
33 when sliding into peak, and the upper tooth roller 51 and lower tooth roller 52 are nibbled completely with the upper fluted disc 42 and lower tooth disk 53 respectively
Close, now stop first motor 31 and start second motor 41, second motor 41 drives the upper fluted disc 42
Rotate, and the upper fluted disc 42 can drive the upper tooth roller 51 and lower tooth roller 52 to rotate, the lower tooth roller 52 can drive
The lower tooth disk 53 is rotated, so as to drive it is described stir axle 11 and stir leaf 12 rotate, slurry mixture is stirred;
After the completion of stirring, stop second motor 41, and drive first motor 41 to rotate backward, first motor 41
Drive the frame 33 and the armed lever 34 to move down, and the slide plate 60 in the presence of the return unit 261 by
It is extrapolated and the upper tooth roller 51 is departed from the upper fluted disc 42, meanwhile, the lower tooth roller 52 and the lower tooth disk 53
Depart from, then open the splicing recess 13 and discharged.
The beneficial effects of the invention are as follows:Apparatus of the present invention are in original state, and frame is located at the second chute bottom, tiltedly slide portion
Head is located at the first chute bottom, and slide plate is pushed outwardly in the presence of return unit and makes the first of the second oblique sliding surface and slide plate
Oblique sliding surface is mutually compressed, also, upper tooth roller departs from upper fluted disc, meanwhile, lower tooth roller and lower tooth disk detachment, now, the second horse
Rotate, stirred it is therefore possible to prevent the second motor is inadvertently opened drive up to rotating not driving to stir axle and stir leaf
Axle and stir leaf rotate and cause to injury to personnel;
In use, closing splicing recess and loading from feed recess after slurry mixture, start the first motor and drive frame upward
It is mobile, frame band semaphore upward sliding, and the first oblique sliding surface may act on the second oblique sliding surface, so as to drive slide plate to inner side
Slide, and upper tooth roller and lower tooth roller follow slide plate to move inward and be meshed respectively with upper fluted disc and lower tooth disk, work as machine
When frame slides into peak, upper tooth roller and lower tooth roller are at a fully engaged with upper fluted disc and lower tooth disk respectively, now stop first
Motor simultaneously starts the second motor, and the second motor drives upper fluted disc to rotate, and upper fluted disc can drive tooth roller and lower tooth roller to turn
Dynamic, lower tooth roller can drive lower tooth disk to rotate, and rotated so as to drive to stir axle and stir leaf, slurry mixture is stirred
Mix;
After the completion of stirring, stop the second motor, and drive the first motor to rotate backward, the first motor drive frame and armed lever to
Lower movement, and slide plate is pushed outwardly in the presence of return unit and tooth roller is departed from upper fluted disc, meanwhile, lower tooth roller
With lower tooth disk detachment, then open splicing recess and carry out safe discharging;
Apparatus of the present invention are simple in construction, can realize that automatic stirring replaces artificial stirring, improve bridge inspection and maintenance efficiency and stable,
It is safe, workmen and equipment can be protected.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
The change or replacement expected without creative work, should all be included within the scope of the present invention.Therefore, it is of the invention
Protection domain described should be determined by the scope of protection defined in the claims.
Claims (5)
1. a kind of bridge maintaining equipment, including tank shell, stir axle and stir leaf, it is characterised in that:The tank shell upper end
Organism is fixedly mounted, left and right equity is provided with the first chute, positioned at the first chute upper end and UNICOM the in the body
It is located at the 3rd chute upper end in second chute of one chute and the 3rd chute of the chute of UNICOM first, the body with
End is respectively arranged with resettlement groove and lower resettlement groove, is provided between the upper resettlement groove and lower resettlement groove and the 3rd chute logical
In through groove, the 3rd chute can left and right it is smooth and left and right equity is provided with slide plate, the slide plate and is operably provided with
The rotary column of lower stretching, extension, the rotary column upper end extends upward through penetrating groove and is stretched in resettlement groove, and lower end is downward through penetrating groove
And be stretched in lower resettlement groove, the rotary column upper end is installed with tooth roller, the upper resettlement groove and is provided with and upper tooth
The upper fluted disc that gear wheel is engaged, the rotary column upper end is installed with lower tooth roller, the upper resettlement groove roof and is fixedly installed
There are the first motor and the second motor, the upper fluted disc is connected with the second motor power, described to stir the installation that axle upper end be operated
In body, and described stir on axle is installed with lower tooth disk, second chute at the position in lower resettlement groove
Organic frame can smoothly be installed up and down by being operably provided with screw rod, second chute, and the frame is matched somebody with somebody with screw flight
Close, and the screw rod lower end is connected with the first motor power, and flashing board, the flashing board bottom are fixed with the top of the body
Equity is provided with two groups of LED illumination lamps before and after portion.
2. a kind of bridge maintaining equipment according to claim 1, it is characterised in that:The 3rd chute centre is fixed and set
It is equipped between block, and the block and the slide plate and is fixedly connected with return unit.
3. a kind of bridge maintaining equipment according to claim 1, it is characterised in that:The frame lower end, which is fixedly installed, wears
The armed lever in first chute is entered, the armed lever bottom is provided with the oblique cunning portion for facing the slide plate, and the oblique sliding portion
The first oblique sliding surface is provided with, the slide plate outboard end has the second oblique sliding surface being engaged with the described first oblique sliding surface.
4. a kind of bridge maintaining equipment according to claim 1, it is characterised in that:Body lower end centre is fixed and set
Boss is equipped with, the boss centre sets hole.
5. a kind of bridge maintaining equipment according to claim 1, it is characterised in that:The tank shell upper end is provided with feed
Recess, lower end is provided with splicing recess.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710316390.7A CN107139330B (en) | 2017-05-08 | 2017-05-08 | A kind of bridge maintaining equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710316390.7A CN107139330B (en) | 2017-05-08 | 2017-05-08 | A kind of bridge maintaining equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107139330A true CN107139330A (en) | 2017-09-08 |
CN107139330B CN107139330B (en) | 2019-02-12 |
Family
ID=59778490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710316390.7A Active CN107139330B (en) | 2017-05-08 | 2017-05-08 | A kind of bridge maintaining equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107139330B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108202405A (en) * | 2018-01-08 | 2018-06-26 | 佛山林稷机电科技有限公司 | A kind of bridge building operations equipment |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070063998A (en) * | 2005-12-16 | 2007-06-20 | 주식회사 대우일렉트로닉스 | Handle hiding apparatus for drum type washing machine |
CN202498630U (en) * | 2012-03-14 | 2012-10-24 | 河北绿洲机械制造有限公司 | Upper stirring pin structure with adjustable gap of pin-type gypsum slurry stirrer |
CN105269682A (en) * | 2015-10-23 | 2016-01-27 | 浙江海洋学院 | Safety concrete mixer |
CN205461942U (en) * | 2016-04-03 | 2016-08-17 | 韩巧 | Novel vertical type stirrer |
CN205925093U (en) * | 2016-08-24 | 2017-02-08 | 中化重庆涪陵化工有限公司 | Concentrator rabbling mechanism |
-
2017
- 2017-05-08 CN CN201710316390.7A patent/CN107139330B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070063998A (en) * | 2005-12-16 | 2007-06-20 | 주식회사 대우일렉트로닉스 | Handle hiding apparatus for drum type washing machine |
CN202498630U (en) * | 2012-03-14 | 2012-10-24 | 河北绿洲机械制造有限公司 | Upper stirring pin structure with adjustable gap of pin-type gypsum slurry stirrer |
CN105269682A (en) * | 2015-10-23 | 2016-01-27 | 浙江海洋学院 | Safety concrete mixer |
CN205461942U (en) * | 2016-04-03 | 2016-08-17 | 韩巧 | Novel vertical type stirrer |
CN205925093U (en) * | 2016-08-24 | 2017-02-08 | 中化重庆涪陵化工有限公司 | Concentrator rabbling mechanism |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108202405A (en) * | 2018-01-08 | 2018-06-26 | 佛山林稷机电科技有限公司 | A kind of bridge building operations equipment |
Also Published As
Publication number | Publication date |
---|---|
CN107139330B (en) | 2019-02-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107097349A (en) | A kind of improved bridge facility | |
CN204700993U (en) | With the concrete mixer of pre-agitating function | |
CN107139330A (en) | A kind of bridge maintaining equipment | |
CN201566044U (en) | Vertical concrete stirring machine with lifting material feeding mechanism | |
CN107794847A (en) | A kind of novel bridge maintained equipment | |
CN107791385A (en) | A kind of improved bridge maintained equipment | |
CN205418950U (en) | Material auger delivery feeding means who possesses automatic control | |
CN206426266U (en) | A kind of CA mortar tests mixer | |
CN216839063U (en) | Portable road and bridge structure crack repairing device | |
CN203095481U (en) | Adjustable locating device of hopper truck | |
CN205853099U (en) | A kind of concrete central mix plant | |
CN113459290A (en) | Automatic lifting and feeding stirring device | |
CN107791384A (en) | One new concrete mixing plant | |
CN107901231A (en) | A kind of road construction small-sized mortar mixer | |
CN107299581A (en) | A kind of bituminous highway maintenance mixing plant | |
CN107791386A (en) | A kind of modified concrete batch plant | |
CN205400076U (en) | Modular multi -functional tower crane ash pulp grinder | |
CN205833058U (en) | A kind of factory's device for asphalt mixing of refining oil | |
CN208263173U (en) | Dustproof stirring machine | |
CN105735651B (en) | Multifunctional assembled tower crane ash pulp grinder | |
CN220091258U (en) | Fertilizer loading attachment | |
CN203613433U (en) | Asphalt mixing device | |
CN218965780U (en) | Bidirectional stirring device | |
CN107139331A (en) | A kind of concrete batch plant of construction | |
CN107333504A (en) | A kind of farming device |
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 | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20181219 Address after: 402660 No. 46, Jinfo Avenue, Guilin Street Office, Tongnan District, Chongqing, 6-3 Applicant after: Chongqing Xinhai Technology Co., Ltd. Address before: 530003 Xixiangtang University East Road 51-1 Xicheng International District, Nanning City, Guangxi Zhuang Autonomous Region, 2 906 blocks Applicant before: Nanning Yicheng safety protection equipment Co., Ltd. |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant |