CN109095180A - A kind of building board organisation of working - Google Patents
A kind of building board organisation of working Download PDFInfo
- Publication number
- CN109095180A CN109095180A CN201810636194.2A CN201810636194A CN109095180A CN 109095180 A CN109095180 A CN 109095180A CN 201810636194 A CN201810636194 A CN 201810636194A CN 109095180 A CN109095180 A CN 109095180A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- rack
- sliding
- torsion shaft
- guiding trestle
- 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.)
- Withdrawn
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
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles
- B65G47/248—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles by turning over or inverting them
- B65G47/252—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles by turning over or inverting them about an axis substantially perpendicular to the conveying direction
-
- 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
- B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
- B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
-
- 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
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
- B65G2201/022—Flat
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of building board organisation of workings, including rack, the rack is equipped with turnover device, the turnover device includes the horizontal concrete chute and vertical chute being fixed in rack, sliding is equipped with guiding trestle on the horizontal concrete chute, the vertical chute is equipped with the first sliding block, first sliding block is equipped with the 4th pedestal, 4th pedestal is equipped with torsion shaft in the horizontal direction, the length direction of the torsion shaft and horizontal concrete chute is perpendicular, the torsion shaft is equipped with rollover stand towards one end of guiding trestle, the rollover stand includes the invertible head and two guide posts for fixing or unclamping steel plate, the guide post rotation is set on rollover stand, the invertible head and 3 lines of two guide posts form an isosceles triangle.Turnover device of the invention is reasonable in design, the overturning operation of steel plate is achieved that in the up and down reciprocatingly sliding of the first sliding block, mechanical structure high reliablity, manufacturing cost is low, and maintenance is simple.
Description
Technical field
The present invention relates to technical field of buildings, particularly relate to a kind of building board organisation of working.
Background technique
The monitoring device of the prior art needs the control chip of single-chip microcontroller etc just to can control monitoring angle and monitoring period
Adjustment, electronic equipment is more, and damage is difficult to repair, and design cost is high.Existing plate turnover mechanism needs multiple motors and answers
Miscellaneous mechanical device matches to complete, and structure is complicated, at high cost, is easily damaged.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of building board organisation of workings, to solve to supervise in the prior art
Control device needs the control chip of single-chip microcontroller etc just to can control the adjustment of monitoring angle and monitoring period, and electronic equipment is more, damage
Bad to be difficult to repair, design cost is high and plate turnover mechanism needs multiple motors and complicated mechanical device to match
At, structure is complicated, and it is at high cost, the technical issues of being easily damaged.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of building board organisation of working, including rack, institute
Rack is stated equipped with turnover device, the turnover device includes the horizontal concrete chute and vertical chute being fixed in rack, the water
Sliding is equipped with guiding trestle on smooth slot, and the vertical chute is equipped with the first sliding block, and first sliding block is equipped with the 4th axis
Frame, the 4th pedestal are equipped with torsion shaft in the horizontal direction, and the length direction of the torsion shaft and horizontal concrete chute is perpendicular, described
Torsion shaft towards one end of guiding trestle be equipped with rollover stand, the rollover stand include for fix or unclamp the invertible head of steel plate and
Two guide posts, the guide post rotation are set on rollover stand, and 3 lines of the invertible head and two guide posts form one
Isosceles triangle, described two guide posts are set to the two sides of invertible head, and described two guide posts are set to together in the initial state
On one vertical direction, the other end of the torsion shaft is equipped with pull rod, and the bottom of the 4th pedestal is equipped with spring peace straight down
Bar is set, tension spring is equipped between the bottom end of the spring placement pole and the outer end of pull rod, is located at torsion shaft on first sliding block
Two sides are respectively provided with a limited post, and two limited posts are symmetrical as line of symmetry using straight line where spring placement pole, the pull rod tension
The active force of spring and be connected on a wherein limited post and the pull rod is in a horizontal position, the guiding trestle is frame-type frame
Body, the bottom of the guiding trestle are equipped with guide triangular block, and the section of the guide triangular block is isosceles triangle, and described first
When sliding block drives guide post to move downward, two inclination central planes of the guide post driving guide triangular block are so that guiding trestle is flat
It moves, the top of the guiding trestle is equipped with short slot so that two deflector aprons are formed on top, and the short slot is located at two guiding gears
Between plate, when first sliding block drives invertible head to move upwards, the invertible head passes through the short slot, and the guide post is led
Torsion shaft is driven to be flipped to keeping out for baffle；
Be additionally provided with cantilever boom hoisting in the rack, the cantilever boom hoisting include Rotary cloumn, cantilever, driving,
Lifting motor, translation motor, rotating electric machine, suspension hook and the pedestal in rack, the Rotary cloumn are rotatably installed in
It is driven on the pedestal and by the rotating electric machine and is rotated, the cantilever is crossed out from the top of the Rotary cloumn, described
It is formed with horizontal first sliding groove in cantilever, the translation motor is mounted in the driving and drives the driving along described the
The sliding of one sliding slot, the lifting motor being mounted in the driving drive the hook lifting with hoisting heavy.
The invertible head is made of electromagnet.
The rack is equipped with monitoring device, and the monitoring device includes the first pedestal being fixed in rack, the second axis
Frame and third pedestal, rotation is equipped with crankshaft on first pedestal, is fixed with a crank, the song on the crankshaft
By the second motor driven, it is rotated handle shaft, and rotation is equipped with the first Coupling Shaft, first Coupling Shaft on second pedestal
On be installed with fan-shaped drive disk, the center point of the drive disk is fixed in first Coupling Shaft, sets in the drive disk
There is strip groove, the length direction of the strip groove and the wherein Radius of the drive disk coincide, be equipped in the strip groove
Adjustment axis, the adjustment axis are fixed by bolts in strip groove and can adjust its position, the outer end of the crank by bolt
Third connecting rod is equipped between adjustment axis, the arcing outer edges of the drive disk are equipped with sliding rail, and the both ends of the sliding rail are each
Equipped with a slipping block, the slipping block is fixed by bolts on sliding rail and can adjust its position, the sliding by bolt
Sliding is equipped with arc-shaped rack on rail, and the arc-shaped rack is limited between two slipping blocks, rotates and be equipped on the third pedestal
Second Coupling Shaft, one end of second Coupling Shaft are installed with the 4th gear, and the 4th gear is engaged in the arc-shaped rack
On, the other end of second Coupling Shaft is installed with mounting rod, and the outer end of the mounting rod is equipped with camera.
The advantageous effects of the above technical solutions of the present invention are as follows:
Monitoring device of the invention by mechanical mechanism it is simple change can come control monitoring period and monitoring angle
Degree, without realizing that these functions, novel in structural design have practicability by single-chip microcontroller.Turnover device structure of the invention
Design rationally, achieves that the overturning operation of steel plate, mechanical structure high reliablity, system in the up and down reciprocatingly sliding of the first sliding block
Make at low cost, maintenance is simple.
Detailed description of the invention
Fig. 1 is structure chart of the invention.
Fig. 2 is the perspective view of turnover device of the invention, wherein not showing tension spring.
Fig. 3 is the part-structure perspective view one of turnover device of the invention.
Fig. 4 is the part-structure perspective view two of turnover device of the invention.
Fig. 5 is the optical cable one of turnover device of the invention.
Fig. 6 is the optical cable two of turnover device of the invention.
Fig. 7 is the state diagram one of turnover device of the invention.
Fig. 8 is the state diagram two of turnover device of the invention.
Fig. 9 is the state diagram three of turnover device of the invention.
Figure 10 is the state diagram four of turnover device of the invention.
Figure 11 is the plan view one of monitoring device of the invention.
Figure 12 is the plan view two of monitoring device of the invention.
Figure 13 is the three-dimensional structure diagram one of monitoring device of the invention.
Figure 14 is the three-dimensional structure diagram two of monitoring device of the invention.
Figure 15 is the three-dimensional structure diagram three of monitoring device of the invention.
Figure 16 is the three-dimensional structure diagram four of monitoring device of the invention.
Figure 17 is the structure chart of cantilever boom hoisting of the invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
For convenience of description, before right direction is in Fig. 1, front end, front, direction of advance, left direction be after, rear end, after
Portion, direction of retreat.
As shown in Figures 1 to 6, the embodiment of the present invention provides a kind of building board organisation of working, including rack 100, described
Rack 100 is equipped with turnover device 10, and the turnover device 10 includes the horizontal concrete chute 11 being fixed in rack 100 and slides vertically
Slot 12, sliding is equipped with guiding trestle 13 on the horizontal concrete chute 11, and the vertical chute 12 is equipped with the first sliding block 14, and described the
One sliding block 14 is equipped with the 4th pedestal 21, and the 4th pedestal 21 is equipped with torsion shaft 15 in the horizontal direction, the torsion shaft 15 with
The length direction of horizontal concrete chute 11 is perpendicular, and the torsion shaft 15 is equipped with rollover stand 16 towards one end of guiding trestle 13, described
Rollover stand 16 includes the invertible head 18 and two guide posts 19 for fixing or unclamping steel plate 17, and the rotation of guide post 19 is set to
On rollover stand 16,3 lines of the invertible head 18 and two guide posts 19 form an isosceles triangle, described two guiding
Column 19 be set to invertible head 18 two sides, in the initial state (when not overturn) described two guide posts 19 be set to it is same
On vertical direction, the other end of the torsion shaft 16 is equipped with pull rod 20, and the bottom of the 4th pedestal 21 is equipped with bullet straight down
Spring placement pole 22 is equipped with tension spring 23, first sliding block 14 between the bottom end of the spring placement pole 22 and the outer end of pull rod 20
The upper two sides positioned at torsion shaft 15 are respectively provided with a limited post 24, and two limited posts 24 are symmetrical with 22 place straight line of spring placement pole
Line is symmetrical, the pull rod 20 by tension spring active force and be connected on a wherein limited post 24 and the pull rod 20 be in level
Position, the guiding trestle 13 are frame-type frame body, and the bottom of the guiding trestle 13 is equipped with guide triangular block 25, the guiding three
The section of hornblock 25 is isosceles triangle, and when first sliding block 14 drives guide post 19 to move downward, the guide post 19 is driven
For two inclination central planes 251 of action-oriented corner block so that guiding trestle 13 translates, the top of the guiding trestle 13 is equipped with short slot
26 so that two deflector aprons 27 are formed on top, and the short slot 26 is located between two deflector aprons 27, first sliding block 14
When invertible head 18 being driven to move upwards, the invertible head 18 passes through the short slot 26, and the guide post 19 is by deflector apron 27
It keeps out and torsion shaft 15 is driven to be flipped；The invertible head 18 is made of electromagnet；The pinnacle position of the guide triangular block
It is located on same vertical direction with the center of short slot, guide post and a wherein deflector apron phase in the vertical direction under original state
Alignment.As shown in Figure 7 to 10, under original state, when the steel plate on assembly line is transported to invertible head position, pass through control
Electrical condition carrys out fixation steel plate to make invertible head generate powerful magnetic force, and the first sliding block of control moves up, due to the effect of tension spring,
It is connected on limited post below pull rod, during moving up the first sliding block, torsion shaft does not rotate, when what is be located above
After guide post is against deflector apron, torsion shaft rotates, while pull rod being driven to rotate, and after pull rod turns over 90 °, pull rod is in
Vertical state, lower a moment pull rod by tension spring pulling force effect, then quickly overturning 90 °, be connected to pull rod on another limited post, this
When torsion shaft 180 ° of overturning also has occurred, the first sliding block moves down, and guide post is resisted against on inclination central plane, makes guiding trestle
It translates, so that guide post be made to be aligned with another deflector apron.It is primary by pumping for the first sliding block
It can just make steel plate that 180 ° of overturning operation occur, 180 ° twice of overturning operation can be occurred by being repeated twice, can be according to reality
Border needs to be customized operation.Turnover device of the invention is reasonable in design, in the up and down reciprocatingly sliding of the first sliding block just
The overturning operation of steel plate can be achieved, mechanical structure high reliablity, manufacturing cost is low, and maintenance is simple.
As shown in Fig. 1, Figure 11 to Figure 16, the rack 100 is equipped with monitoring device 30, and the monitoring device 30 includes solid
Crank is equipped with due to rotation on the first pedestal 31, the second pedestal 32 and the third pedestal 33 in rack 100, first pedestal 31
Shaft 34, a crank 35 is fixed on the crankshaft 34, and the crankshaft 34 passes through the driving (not shown) of the second motor
It is rotated, and rotation is equipped with the first Coupling Shaft 36 on second pedestal 32, and fan-shaped drive is installed in first Coupling Shaft 36
Moving plate 37, the center point of the drive disk 37 are fixed in first Coupling Shaft 36, are equipped with strip groove in the drive disk 37
371, the length direction of the strip groove 371 and the wherein Radius of the drive disk 37 coincide, and set in the strip groove 371
There is adjustment axis 38, the adjustment axis 38 is fixed by bolts in strip groove 371 and can adjust its position, the song by bolt
Third connecting rod 39 is equipped between the outer end and adjustment axis of handle 35, the both ends of third connecting rod 39 are revolute pair, the drive disk 37
Arcing outer edges be equipped with sliding rail 40, it is described sliding rail 40 both ends be respectively provided with a slipping block 41, the slipping block 41 passes through
Bolt is fixed on sliding rail 40 and can adjust by bolt its position, and sliding is equipped with arc-shaped rack 42 on the sliding rail 41,
The arc-shaped rack 42 is limited between two slipping blocks 41, and rotation is equipped with the second Coupling Shaft 43, institute on the third pedestal 33
The one end for stating the second Coupling Shaft 43 is installed with the 4th gear 44, and the 4th gear 44 is engaged on the arc-shaped rack 42, institute
The other end for stating the second Coupling Shaft 43 is installed with mounting rod 45, and the outer end of the mounting rod 45 is equipped with camera 46.From Figure 13's
State A starts the state B to Figure 14, and crank rotates clockwise, and the slipping block in left side pushes arc-shaped rack to transport to the right in Figure 13
Dynamic, mounting rod drives camera to swing to the other side from side；The state C of Figure 15 is moved to from the state B of Figure 14, crank continues
It rotates clockwise, mounting rod remain stationary state during this, and relative motion occurs for arc-shaped rack and sliding rail；From Figure 15's
The slipping block that state C moves to right side in the state D, Figure 16 of Figure 16 pushes the movement of arc-shaped rack left direction, and mounting rod drives
Camera swings to the other side from side.It is an entire swing process of camera from state A to state D.Slipping block is adjusted to exist
The position on rail is slid, residence time of the mounting rod when being rocked to both ends is can control, is located to also just control camera
The time being monitored when both ends changes position of the adjustment axis in strip groove, can control the amplitude of fluctuation of mounting rod, therefore
The monitoring period at both ends and the swing angle of mounting rod can be controlled by the simple change on mechanical mechanism, it can be according to reality
Border needs to realize the monitoring without dead angle, without realizing that these functions, novel in structural design have practicability by single-chip microcontroller.
As shown in Fig. 1 and Figure 17, cantilever boom hoisting 70, the cantilever boom hoisting 70 are additionally provided in the rack 100
Including Rotary cloumn 71, cantilever 72, driving 73, lifting motor 74, translation motor 75, rotating electric machine 76, suspension hook 77 and it is set to machine
Pedestal 78 on frame 100, the Rotary cloumn 71 are rotatably installed on the pedestal 78 and are driven by the rotating electric machine 76
Dynamic rotation, the cantilever 72 are crossed out from the top of the Rotary cloumn 71, are formed with horizontal concrete chute in the cantilever 72, institute
It states translation motor 75 to be mounted in the driving 73 and the driving 73 is driven to slide along the horizontal concrete chute, is mounted on the row
The lifting motor 74 on vehicle 73 drives the lifting of suspension hook 77 with hoisting heavy.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (3)
1. a kind of building board organisation of working, including rack, which is characterized in that the rack is equipped with turnover device, described to turn over
Rotary device includes the horizontal concrete chute and vertical chute being fixed in rack, and sliding is equipped with guiding trestle, institute on the horizontal concrete chute
Vertical chute is stated equipped with the first sliding block, first sliding block is equipped with the 4th pedestal, and the 4th pedestal is set in the horizontal direction
There is a torsion shaft, the length direction of the torsion shaft and horizontal concrete chute is perpendicular, and one end of the torsion shaft towards guiding trestle is set
There is rollover stand, the rollover stand includes the invertible head and two guide posts for fixing or unclamping steel plate, the guide post rotation
On rollover stand, 3 lines of the invertible head and two guide posts form an isosceles triangle, described two guide posts
Set on the two sides of invertible head, described two guide posts are set on same vertical direction in the initial state, the torsion shaft
The other end is equipped with pull rod, and the bottom of the 4th pedestal is equipped with spring placement pole, the bottom end of the spring placement pole straight down
Tension spring is equipped between the outer end of pull rod, the two sides that torsion shaft is located on first sliding block are respectively provided with a limited post, two limits
Position column is symmetrical as line of symmetry using straight line where spring placement pole, the pull rod by tension spring active force and be connected to and wherein one limit
On the column of position and the pull rod is in a horizontal position, and the guiding trestle is frame-type frame body, and the bottom of the guiding trestle, which is equipped with, leads
To corner block, the section of the guide triangular block is isosceles triangle, when first sliding block drives guide post to move downward, institute
Two inclination central planes of guide post driving guide triangular block are stated so that guiding trestle translates, the top of the guiding trestle, which is equipped with, to be lacked
Slot is so that two deflector aprons are formed on top, and the short slot is located between two deflector aprons, and first sliding block drives overturning
When head moves upwards, the invertible head passes through the short slot, and the guide post is kept out by deflector apron and torsion shaft is driven to send out
Raw overturning；
Cantilever boom hoisting is additionally provided in the rack, the cantilever boom hoisting includes Rotary cloumn, cantilever, driving, lifting
Motor, translation motor, rotating electric machine, suspension hook and the pedestal in rack, the Rotary cloumn are rotatably installed in described
It is driven on pedestal and by the rotating electric machine and is rotated, the cantilever is crossed out from the top of the Rotary cloumn, the cantilever
In be formed with horizontal first sliding groove, the translation motor is mounted in the driving and drives the driving sliding along described first
Slot sliding, the lifting motor being mounted in the driving drive the hook lifting with hoisting heavy.
2. building board organisation of working according to claim 1, which is characterized in that the invertible head is made of electromagnet.
3. building board organisation of working according to claim 2, which is characterized in that the rack is equipped with monitoring device,
The monitoring device includes the first pedestal, the second pedestal and third pedestal being fixed in rack, is rotated on first pedestal
Equipped with crankshaft, a crank is fixed on the crankshaft, the crankshaft passes through its rotation of the second motor driven, institute
It states rotation on the second pedestal and is equipped with the first Coupling Shaft, fan-shaped drive disk, the drive disk are installed in first Coupling Shaft
The center point be fixed in first Coupling Shaft, be equipped with strip groove in the drive disk, the length direction of the strip groove with
The wherein Radius of the drive disk coincides, and adjustment axis is equipped in the strip groove, and the adjustment axis is fixed by bolts in
Its position can be adjusted in strip groove and by bolt, third connecting rod, the drive are equipped between the outer end and adjustment axis of the crank
The arcing outer edges of Moving plate are equipped with sliding rail, and the both ends of the sliding rail are respectively provided with a slipping block, and the slipping block passes through bolt
It is fixed on sliding rail and can adjust by bolt its position, sliding is equipped with arc-shaped rack, the arc-shaped gear on the sliding rail
Item is limited between two slipping blocks, and rotation is equipped with the second Coupling Shaft, one end of second Coupling Shaft on the third pedestal
It is installed with the 4th gear, the 4th gear is engaged on the arc-shaped rack, and the other end of second Coupling Shaft is installed with
The outer end of mounting rod, the mounting rod is equipped with camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810636194.2A CN109095180A (en) | 2018-06-20 | 2018-06-20 | A kind of building board organisation of working |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810636194.2A CN109095180A (en) | 2018-06-20 | 2018-06-20 | A kind of building board organisation of working |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109095180A true CN109095180A (en) | 2018-12-28 |
Family
ID=64844856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810636194.2A Withdrawn CN109095180A (en) | 2018-06-20 | 2018-06-20 | A kind of building board organisation of working |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109095180A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111977332A (en) * | 2020-07-15 | 2020-11-24 | 秦泽亮 | Sheet material processing mechanism capable of vertically lifting and automatically overturning |
| US11358798B2 (en) * | 2018-08-31 | 2022-06-14 | HKC Corporation Limited | Display panel conveying system and conveying method |
-
2018
- 2018-06-20 CN CN201810636194.2A patent/CN109095180A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11358798B2 (en) * | 2018-08-31 | 2022-06-14 | HKC Corporation Limited | Display panel conveying system and conveying method |
| CN111977332A (en) * | 2020-07-15 | 2020-11-24 | 秦泽亮 | Sheet material processing mechanism capable of vertically lifting and automatically overturning |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181228 |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhang Danrong Document name: Notification of Approving Refund |