CN213859493U - An easy-to-use simple cutting device for rubber processing - Google Patents
An easy-to-use simple cutting device for rubber processing Download PDFInfo
- Publication number
- CN213859493U CN213859493U CN202022276571.1U CN202022276571U CN213859493U CN 213859493 U CN213859493 U CN 213859493U CN 202022276571 U CN202022276571 U CN 202022276571U CN 213859493 U CN213859493 U CN 213859493U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- shaft
- block
- bevel gear
- main board
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Sawing (AREA)
Abstract
本实用新型涉及橡胶加工技术领域，且公开了一种方便使用的橡胶加工用简易切割设备，包括主板，所述主板下表面四角均固定连接有支撑腿，所述主板上表面插接有第一转轴，所述第一转轴上表面固定连接有圆板，所述圆板上表面开设有圆形卡孔。该方便使用的橡胶加工用简易切割设备，通过设置矩形槽、第一锥齿轮、减速电机、第二锥齿轮、第二转轴、传动杆、电动推杆和传动轴，使前后两侧的第二滑块可以较为方便稳定的带动锁定块沿着第二滑轨的轨迹进行运动，不仅可以较为方便的调节圆板的角度，方便对橡胶进行多角度切割，还可以较为方便稳定的对圆板进行固定，可以更加稳定的对橡胶进行切割，提高了橡胶的切割质量。
The utility model relates to the technical field of rubber processing, and discloses a simple cutting device for rubber processing that is convenient to use, comprising a main board, four corners of the lower surface of the main board are fixedly connected with support legs, and the upper surface of the main board is plugged with a first A rotating shaft, the upper surface of the first rotating shaft is fixedly connected with a circular plate, and a circular clamping hole is opened on the upper surface of the circular plate. The easy-to-use simple cutting equipment for rubber processing is provided with a rectangular groove, a first bevel gear, a reduction motor, a second bevel gear, a second rotating shaft, a transmission rod, an electric push rod and a transmission shaft, so that the second The slider can easily and stably drive the locking block to move along the trajectory of the second slide rail. Fixed, the rubber can be cut more stably, and the cutting quality of the rubber can be improved.
Description
Technical Field
The utility model relates to a rubber processing technology field specifically is a rubber processing that facilitates use is with simple and easy cutting equipment.
Background
At present, rubber processing often uses relatively large rubber cutting machine equipment, the maintenance of the rubber cutting machine equipment is relatively troublesome, and the large rubber cutting machine used by some small factories is wasted, so that simple cutting equipment for rubber processing is available; the rubber cutting equipment in the prior art has a complex structure, is inconvenient for a user to operate, and brings much inconvenience to the user.
For example, chinese patent publication No. CN210910274U discloses a simple cutting apparatus for rubber processing, which is provided with a cutting table, the cutting table is rotatably connected with a processing main board through a limiting turntable, and a limiting clamping groove corresponding to a limiting fixing nail is formed at the top of the processing main board, so that the direction of rubber to be cut can be adjusted after the limiting fixing nail is pulled out through the limiting fixing nail, thereby solving the problems of the existing rubber cutting apparatus, such as complicated structure, inconvenient operation by a user, and inconvenience for the user; carry on spacingly through spacing staple and spacing draw-in groove adaptation to processing mainboard when in-service use, the structure is comparatively simple, and the messenger that can not be comparatively stable processes the mainboard fixed, probably makes processing mainboard rock the cutting quality that reduces rubber at the cutting rubber in-process.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a rubber processing that facilitates use is with simple and easy cutting equipment has solved the problem of proposing in the above-mentioned background art.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a convenient simple cutting device for rubber processing comprises a main board, wherein four corners of the lower surface of the main board are fixedly connected with supporting legs, a first rotating shaft is inserted in the upper surface of the main board, a circular plate is fixedly connected to the upper surface of the first rotating shaft, a circular clamping hole is formed in the upper surface of the circular plate, supporting shafts are fixedly connected to four corners of the upper surface of the main board, a base is sleeved on the outer surface of each supporting shaft, a first sliding rail is fixedly connected to the upper surface of each supporting shaft, a first sliding block is sleeved on the outer surface of each first sliding rail, a connecting rod is fixedly connected to the upper surface of each first sliding block, a moving block is sleeved on the outer surface of each connecting rod, a handle is fixedly connected to the upper surface of each moving block, a cutter is fixedly connected to the lower surface of each moving block, moving shafts are inserted in the front side and the back side of the upper surface of the main board, and fixed blocks are fixedly connected to the tops of the outer surfaces of the moving shafts, the lower surface of the fixed block is fixedly connected with a locking shaft, the outer surface of the moving shaft is sleeved with a baffle, the outer surface of the moving shaft is sleeved with a reset spring, the outer surface of the moving shaft is provided with a rectangular groove, the lower surface of the first rotating shaft is fixedly connected with a first bevel gear, the lower surface of the main board is fixedly connected with a speed reducing motor, the output end of the speed reducing motor is sleeved with a second bevel gear, the front side and the rear side of the lower surface of the main board are fixedly connected with a second slide rail, the outer surface of the second slide rail is sleeved with a second slide block, the outer side of the lower surface of the second slide block is fixedly connected with a locking block, the front side and the rear side of the lower surface of the main board are rotatably connected with a second rotating shaft, the outer surface of the second rotating shaft is sleeved with a transmission rod, the upper surface of the transmission rod is inserted with a third rotating shaft, the outer surface of the third rotating shaft is sleeved with a connecting block, and the inner side of the connecting block is fixedly connected with an electric push rod, and a transmission shaft is fixedly connected to the inner side of the lower surface of the second sliding block.
Preferably, the first bevel gear and the second bevel gear are both made of cast iron, and the first bevel gear is meshed with the second bevel gear.
Preferably, the left side of the lower surface of the transmission rod is provided with a circular sliding groove matched with the transmission shaft, and the width of the circular sliding groove is five millimeters.
Preferably, the lower surface of the locking block is an inclined surface, the inclined surface at the front side is inclined at an angle of one hundred fifty degrees, and the inclined surface at the rear side is inclined at an angle of thirty degrees.
Preferably, the number of supporting legs is four groups, and the equal fixedly connected with slipmat of four groups of supporting legs lower surfaces, and the slipmat lower surface is provided with the cross line.
Preferably, the inner diameter of the locking shaft is smaller than that of the circular clamping hole, and the inner diameter of the circular clamping hole is six millimeters.
(III) advantageous effects
Compared with the prior art, the utility model provides a rubber processing that facilitates use is with simple and easy cutting equipment possesses following beneficial effect:
1. this rubber processing that facilitates use is with simple and easy cutting equipment, through setting up the rectangular channel, first bevel gear, gear motor, second bevel gear, the second pivot, the transfer line, electric putter and transmission shaft, the second slider of both sides can make things convenient for stable drive locking block to move along the orbit of second slide rail around making, the angle of adjustment plectane that not only can be comparatively convenient, the convenience carries out multi-angle cutting to rubber, can also comparatively make things convenient for stably fix the plectane, can be more stable cut rubber, the cutting quality of rubber has been improved.
2. This simple and easy cutting equipment is used in rubber processing that facilitates use through setting up circular card hole, fixed block, locking axle, baffle, reset spring and locking piece, not only can be comparatively convenient stable fix the plectane, can also comparatively convenient remove fixedly to the plectane to the angle of regulation plectane that can be convenient can be comparatively swift cuts the operation to rubber, has improved the machining efficiency of rubber greatly.
Drawings
Fig. 1 and 2 are schematic structural views of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is a schematic view of a part of the structure of the present invention;
fig. 5 is an enlarged schematic view of the structure at B in fig. 4 according to the present invention.
In the figure: 1. a main board; 2. supporting legs; 3. a first rotating shaft; 4. a circular plate; 5. a circular clamping hole; 6. a support shaft; 7. a base; 8. a first slide rail; 9. a first slider; 10. a connecting rod; 11. a moving block; 12. a grip; 13. a cutter; 14. a movable shaft; 15. a fixed block; 16. a locking shaft; 17. a baffle plate; 18. a return spring; 19. a rectangular groove; 20. a first bevel gear; 21. a reduction motor; 22. a second bevel gear; 23. a second slide rail; 24. a second slider; 25. a locking block; 26. a second rotating shaft; 27. a transmission rod; 28. a third rotating shaft; 29. connecting blocks; 30. an electric push rod; 31. a drive shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a convenient simple cutting device for rubber processing comprises a main board 1, wherein four corners of the lower surface of the main board 1 are fixedly connected with supporting legs 2, the upper surface of the main board 1 is inserted with a first rotating shaft 3, the upper surface of the first rotating shaft 3 is fixedly connected with a circular plate 4, the upper surface of the circular plate 4 is provided with a circular clamping hole 5, four corners of the upper surface of the main board 1 are fixedly connected with supporting shafts 6, the outer surface of each supporting shaft 6 is sleeved with a base 7, the upper surface of each supporting shaft 6 is fixedly connected with a first sliding rail 8, the outer surface of each first sliding rail 8 is sleeved with a first sliding block 9, the upper surface of each first sliding block 9 is fixedly connected with a connecting rod 10, the outer surface of each connecting rod 10 is sleeved with a moving block 11, the upper surface of each moving block 11 is fixedly connected with a handle 12, the lower surface of each moving block 11 is fixedly connected with a cutter 13, the front side and the rear side of the upper surface of the main board 1 are inserted with moving shafts 14, and the tops of the outer surfaces of the moving shafts 14 are fixedly connected with fixed blocks 15, the lower surface of the fixed block 15 is fixedly connected with a locking shaft 16, the outer surface of the movable shaft 14 is sleeved with a baffle 17, the outer surface of the movable shaft 14 is sleeved with a reset spring 18, the outer surface of the movable shaft 14 is provided with a rectangular groove 19, the lower surface of the first rotating shaft 3 is fixedly connected with a first bevel gear 20, the lower surface of the main board 1 is fixedly connected with a speed reducing motor 21, the model of the speed reducing motor 21 is CH/V, the output end of the speed reducing motor 21 is sleeved with a second bevel gear 22, the front side and the rear side of the lower surface of the main board 1 are fixedly connected with second slide rails 23, the outer surface of the second slide rails 23 is sleeved with a second slide block 24, the outer side of the lower surface of the second slide block 24 is fixedly connected with a locking block 25, by arranging a circular clamping hole 5, the fixed block 15, the locking shaft 16, the baffle 17, the reset spring 18 and the locking block 25, the circular plate 4 can be fixed conveniently and stably, and can be released from being fixed, therefore, the angle of the circular plate 4 can be conveniently adjusted, the rubber can be cut quickly, the processing efficiency of the rubber is greatly improved, the front side and the rear side of the lower surface of the main plate 1 are rotatably connected with the second rotating shaft 26, the outer surface of the second rotating shaft 26 is sleeved with the transmission rod 27, the upper surface of the transmission rod 27 is inserted with the third rotating shaft 28, the outer surface of the third rotating shaft 28 is sleeved with the connecting block 29, the inner side surface of the connecting block 29 is fixedly connected with the electric push rod 30, the model of the electric push rod 30 is CLA, the inner side of the lower surface of the second sliding block 24 is fixedly connected with the transmission shaft 31, and by arranging the rectangular groove 19, the first bevel gear 20, the speed reducing motor 21, the second bevel gear 22, the second rotating shaft 26, the transmission rod 27, the electric push rod 30 and the transmission shaft 31, the second sliding blocks 24 on the front side and the rear side can conveniently and stably drive the locking block 25 to move along the track of the second sliding rail 23, not only can be comparatively convenient adjust the angle of plectane 4, conveniently carry out multi-angle cutting to rubber, can also comparatively make things convenient for stable fixing plectane 4, can be more stable cut rubber, improved the cutting quality of rubber.
The utility model discloses in, for the more convenient first pivot 3 rotations of drive of gear motor 21, the material that consequently sets up first bevel gear 20 and second bevel gear 22 is cast iron, and first bevel gear 20 and the meshing of second bevel gear 22, first bevel gear 20 and second bevel gear 22 have improved the convenience of gear motor 21 and the linkage of first pivot 3.
The utility model discloses in, in order to make the more convenient drive transmission shaft 31 motion of transfer line 27, consequently set up the circular spout with transmission shaft 31 looks adaptation in transfer line 27 lower surface left side, and the width of circular spout is five millimeters, and circular spout has improved the convenience of transfer line 27 with the linkage of transmission shaft 31.
The utility model discloses in, in order to make locking block 25 more stable fix removal axle 14, consequently set up locking block 25 lower surface and be the inclined plane, the inclined plane inclination that is located the front side is one hundred fifty degrees, and the inclined plane inclination that is located the rear side is thirty degrees, and the inclined plane has improved locking block 25 to the fixed stability of removal axle 14.
The utility model discloses in, in order to make supporting leg 2 more stable support mainboard 1, consequently set up the quantity of supporting leg 2 and be four groups, and the equal fixedly connected with slipmat of the 2 lower surface of four groups supporting legs, and the slipmat lower surface is provided with the cross line, the cross line has increased the frictional force of supporting leg 2 with ground, has improved the stability that supporting leg 2 supported mainboard 1.
In the present invention, in order to fix the circular plate 4 more stably by the locking shaft 16, the inner diameter of the locking shaft 16 is smaller than the inner diameter of the circular locking hole 5, and the inner diameter of the circular locking hole 5 is six millimeters, and the circular locking hole 5 improves the stability of the locking shaft 16 to fix the circular plate 4.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
When the device is used, firstly, rubber is fixed on the upper surface of the circular plate 4, then the speed reducing motor 21 is started, the output end of the speed reducing motor 21 drives the second bevel gear 22 to rotate clockwise, the second bevel gear 22 is in meshed transmission with the first bevel gear 20, so that the first bevel gear 20 drives the first rotating shaft 3 and the circular plate 4 to rotate clockwise, after the circular plate 4 rotates thirty degrees clockwise, the speed reducing motor 21 is closed, then the electric push rod 30 is started, the whole length of the electric push rod 30 is increased, so that the connecting blocks 29 on the front side and the rear side drive the third rotating shafts 28 on the front side and the rear side to move outwards, so that the left ends of the transmission rods 27 on the front side and the rear side move outwards by taking the circle center of the second rotating shaft 26 as the center, the upper surface of the transmission rod 27 is provided with a circular sliding groove matched with the transmission shaft 31, so that the transmission shafts 31 on the front side and the rear side drive the second sliding blocks 24 on the front side and the rear side to move outwards along the track of the second sliding rail 23, the second sliding block 24 drives the locking block 25 to move outwards, the lower surface of the locking block 25 is an inclined surface, when the lower surface of the locking block 25 extrudes the inner wall of the bottom of the rectangular groove 19, the moving shaft 14 drives the fixing block 15 and the locking shaft 16 to move downwards, after the locking shaft 16 is completely matched with the circular clamping hole 5, the electric push rod 30 is closed, then the handle 12 is held, the handle 12 drives the moving block 11 and the cutter 13 to move backwards along the track of the connecting rod 10, and when the distance between the back surface of the cutter 13 and the front surface of the first sliding block 9 located on the rear side is five centimeters, the connecting rod 10 drives the first sliding block 9 to move leftwards along the track of the first sliding rail 8, so that the cutter 13 cuts rubber on the upper surface of the circular plate 4.
In conclusion, this simple and easy cutting equipment is used in rubber processing who facilitates use, through setting up rectangular channel 19, first bevel gear 20, gear motor 21, second bevel gear 22, second pivot 26, transfer line 27, electric putter 30 and transmission shaft 31, the second slider 24 that makes both sides around can be comparatively convenient stable drive locking block 25 along the orbit of second slide rail 23 move, the angle of regulation plectane 4 that not only can be comparatively convenient, conveniently carry out the multi-angle cutting to rubber, can also comparatively make things convenient for stably fixed plectane 4, can be more stable cut rubber, the cutting quality of rubber has been improved.
This simple and easy cutting equipment is used in rubber processing that facilitates use through setting up circular calorie of hole 5, fixed block 15, locking shaft 16, baffle 17, reset spring 18 and locking block 25, not only can be comparatively convenient stable fix plectane 4, can also comparatively convenient remove fixedly plectane 4 to the angle of regulation plectane 4 that can be convenient can be comparatively swift cut the operation to rubber, has improved the machining efficiency of rubber greatly.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a rubber processing that facilitates use is with simple and easy cutting equipment, includes mainboard (1), its characterized in that: the supporting legs (2) are fixedly connected to four corners of the lower surface of the main board (1), the first rotating shaft (3) is spliced on the upper surface of the main board (1), the circular plate (4) is fixedly connected to the upper surface of the first rotating shaft (3), the circular clamping hole (5) is formed in the upper surface of the circular plate (4), the supporting shaft (6) is fixedly connected to four corners of the upper surface of the main board (1), the base (7) is sleeved on the outer surface of the supporting shaft (6), the first sliding rail (8) is fixedly connected to the upper surface of the supporting shaft (6), the first sliding block (9) is sleeved on the outer surface of the first sliding block (9), the connecting rod (10) is fixedly connected to the upper surface of the connecting rod (10), the moving block (11) is sleeved on the upper surface of the moving block (11), the cutter (13) is fixedly connected to the lower surface of the moving block (11), the front side and the rear side of the upper surface of the main board (1) are respectively spliced with a moving shaft (14), the top of the outer surface of the moving shaft (14) is fixedly connected with a fixed block (15), the lower surface of the fixed block (15) is fixedly connected with a locking shaft (16), the outer surface of the moving shaft (14) is sleeved with a baffle (17), the outer surface of the moving shaft (14) is sleeved with a reset spring (18), the outer surface of the moving shaft (14) is provided with a rectangular groove (19), the lower surface of the first rotating shaft (3) is fixedly connected with a first bevel gear (20), the lower surface of the main board (1) is fixedly connected with a speed reducing motor (21), the output end of the speed reducing motor (21) is sleeved with a second bevel gear (22), the front side and the rear side of the lower surface of the main board (1) are respectively fixedly connected with a second sliding rail (23), and the outer surface of the second sliding rail (23) is sleeved with a second sliding block (24), second slider (24) lower surface outside fixedly connected with locking block (25), both sides are all rotated around mainboard (1) lower surface and are connected with second pivot (26), transfer line (27) have been cup jointed to second pivot (26) surface, third pivot (28) have been pegged graft to transfer line (27) upper surface, connecting block (29) have been cup jointed to third pivot (28) surface, connecting block (29) medial surface fixedly connected with electric putter (30), second slider (24) lower surface inboard fixedly connected with transmission shaft (31).
2. The easy cutting device for rubber processing that facilitates use of claim 1, wherein: the first bevel gear (20) and the second bevel gear (22) are both made of cast iron, and the first bevel gear (20) is meshed with the second bevel gear (22).
3. The easy cutting device for rubber processing that facilitates use of claim 1, wherein: the left side of the lower surface of the transmission rod (27) is provided with a circular sliding groove matched with the transmission shaft (31), and the width of the circular sliding groove is five millimeters.
4. The easy cutting device for rubber processing that facilitates use of claim 1, wherein: the lower surface of the locking block (25) is an inclined surface, the inclined angle of the inclined surface positioned on the front side is one hundred fifty degrees, and the inclined angle of the inclined surface positioned on the rear side is thirty degrees.
5. The easy cutting device for rubber processing that facilitates use of claim 1, wherein: the quantity of supporting leg (2) is four groups, and the equal fixedly connected with slipmat of four groups supporting leg (2) lower surfaces, and the slipmat lower surface is provided with the cross line.
6. The easy cutting device for rubber processing that facilitates use of claim 1, wherein: the inner diameter of the locking shaft (16) is smaller than that of the circular clamping hole (5), and the inner diameter of the circular clamping hole (5) is six millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022276571.1U CN213859493U (en) | 2020-10-14 | 2020-10-14 | An easy-to-use simple cutting device for rubber processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022276571.1U CN213859493U (en) | 2020-10-14 | 2020-10-14 | An easy-to-use simple cutting device for rubber processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213859493U true CN213859493U (en) | 2021-08-03 |
Family
ID=77071932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022276571.1U Expired - Fee Related CN213859493U (en) | 2020-10-14 | 2020-10-14 | An easy-to-use simple cutting device for rubber processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213859493U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117358981A (en) * | 2023-11-08 | 2024-01-09 | 江阴市恒业锻造有限公司 | Punching device for forging |
-
2020
- 2020-10-14 CN CN202022276571.1U patent/CN213859493U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117358981A (en) * | 2023-11-08 | 2024-01-09 | 江阴市恒业锻造有限公司 | Punching device for forging |
| CN117358981B (en) * | 2023-11-08 | 2024-04-19 | 江阴市恒业锻造有限公司 | Punching device for forging |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213859493U (en) | An easy-to-use simple cutting device for rubber processing | |
| CN212264574U (en) | Novel upright drill with adjustable rotation angle | |
| CN211917153U (en) | Log peeling device | |
| CN208601728U (en) | A kind of building board cutter device | |
| CN110788940A (en) | Perforating device for building timber | |
| CN112588725B (en) | Cutting device for hardware processing | |
| CN212895475U (en) | Brushing machine for processing double-sided velvet | |
| CN209699337U (en) | A kind of dining table production cutting clamping device | |
| CN221774770U (en) | A cutting device for wood processing | |
| CN210414853U (en) | Plank cutting device for decoration convenient to use | |
| CN209111592U (en) | A carton machine with XYZ axis precise control bracket assembly | |
| CN221582148U (en) | Cutting device for aluminum mould plate with automatic discharging function | |
| CN220665167U (en) | High-precision optical element machining device | |
| CN222475382U (en) | Transfer equipment | |
| CN213617191U (en) | Wood floor cutting device with adjustable length | |
| CN214819809U (en) | A gypsum board cutter for gypsum board production line | |
| CN222115009U (en) | Polycrystalline diamond compact loading tool | |
| CN213226704U (en) | Furniture production and processing shaving machine | |
| CN220235089U (en) | Circuit board positioning base | |
| CN220921537U (en) | Support auxiliary equipment of slope milling machine | |
| CN222003034U (en) | Cabinet panel surface processing purifier | |
| CN215036422U (en) | Furniture board double-face synchronous stable sanding processing device | |
| CN213563089U (en) | Plywood processing cutting device with clamping function | |
| CN222115264U (en) | PCBA board processing is with cutting structure | |
| CN223223462U (en) | Cutting slice device for processing silica gel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 |