CN214478470U - Switch board copper bar installation positioner - Google Patents
Switch board copper bar installation positioner Download PDFInfo
- Publication number
- CN214478470U CN214478470U CN202120256431.XU CN202120256431U CN214478470U CN 214478470 U CN214478470 U CN 214478470U CN 202120256431 U CN202120256431 U CN 202120256431U CN 214478470 U CN214478470 U CN 214478470U
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- CN
- China
- Prior art keywords
- copper bar
- guide rail
- limiting
- plate
- positioning
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- 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
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 174
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 174
- 239000010949 copper Substances 0.000 title claims abstract description 174
- 238000009434 installation Methods 0.000 title claims abstract description 28
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a distribution construction equipment technical field, concretely relates to switch board copper bar installation positioner, including copper bar fixed guide rail, copper bar fixed guide rail on be equipped with two copper bars and adjust the guide rail, one side of copper bar fixed guide rail is equipped with the guide rail limiting plate, the guide rail limiting plate adopts n style of calligraphy platelike structure, the inboard that the guide rail was adjusted to two copper bars is equipped with spacing regulating plate respectively, the vertical bonding has limit screw on the spacing regulating plate, spacing adjustment tank has been seted up respectively to the both sides of guide rail limiting plate, spacing adjustment tank suit is on limit screw, the cover is equipped with threaded connection's stop nut on the stop screw, spacing regulating plate passes through stop nut and presss from both sides the clamp to be fixed on the guide rail limiting plate, copper bar fixed guide rail's opposite side is equipped with guide rail positioner. The utility model provides a simple to operate is convenient for remove, satisfies the installation demand of multiple switch board, is convenient for arrange again, and switch board copper bar installation positioner that stability is strong for overcome defect among the prior art.
Description
Technical Field
The utility model relates to a distribution construction equipment technical field, concretely relates to switch board copper bar installation positioner.
Background
In the installation process of the power distribution cabinet, various power elements are often fixed by using copper bars, so that a horizontal row and a vertical row connected with the horizontal row are usually installed in the power distribution cabinet; at present, an installer often uses screws to connect the copper bars, and the installer is difficult to fix the copper bars by using the screws due to the limited operation space of the power distribution cabinet, so that the arrangement efficiency of the copper bars is reduced, and after the power distribution cabinet is used for a period of time, when the electrical elements in the power distribution cabinet are required to be maintained, the copper bars need to be moved, namely a large number of screws need to be unscrewed, and the installer is inconvenient to maintain the electrical elements in the power distribution cabinet; in addition, the variation in size of switch board, current copper bar are difficult to satisfy the installation demand of various switch boards, and installer is difficult to arrange the copper bar of switch board again simultaneously to influence operation installer's construction operation.
Consequently, produce a simple to operate, be convenient for remove, satisfy the installation demand of multiple switch board, be convenient for arrange again, switch board copper bar installation positioner that stability is strong has extensive market prospect.
Disclosure of Invention
Not enough to prior art, the utility model provides a simple to operate is convenient for remove, satisfies the installation demand of multiple switch board, is convenient for arrange again, and switch board copper bar installation positioner that stability is strong for overcome defect among the prior art.
The utility model adopts the technical proposal that: a copper bar installation positioning device of a power distribution cabinet comprises a copper bar fixed guide rail, wherein two copper bar adjusting guide rails are arranged on the copper bar fixed guide rail, the two copper bar adjusting guide rails are symmetrically arranged on two sides of the copper bar fixed guide rail, a guide rail limiting plate is arranged on one side of the copper bar fixed guide rail, the guide rail limiting plate is of an n-shaped plate structure, one end of the copper bar fixed guide rail is sleeved and bonded at the middle part of the guide rail limiting plate, a limiting adjusting plate is respectively arranged on the inner sides of the two copper bar adjusting guide rails, the limiting adjusting plate is bonded on one end of the copper bar adjusting guide rail, one end of the limiting adjusting plate and one end of the copper bar adjusting guide rail are respectively sleeved in the guide rail limiting plate, a limiting screw rod is vertically bonded on the limiting adjusting plate, limiting adjusting grooves are respectively arranged on two sides of the guide rail limiting plate, the limiting adjusting grooves are sleeved on the limiting screw rod, a limiting nut in threaded connection is sleeved on the limiting screw rod, and the limiting adjusting plate is clamped and fixed on the guide rail limiting plate through the limiting nut, and a guide rail positioning device is arranged on the other side of the copper bar fixed guide rail.
The guide rail positioning device comprises two limiting positioning plates, the two limiting positioning plates are respectively bonded on the inner sides of the two copper bar adjusting guide rails, the two limiting positioning plates are respectively vertically bonded with a positioning screw rod, a guide rail positioning plate is arranged between the two limiting positioning plates, limiting positioning grooves are respectively formed in the two sides of the guide rail positioning plate, and the limiting positioning grooves are sleeved on the positioning screw rods.
The length of the limiting adjusting groove is identical with that of the limiting positioning groove, the width of the limiting adjusting groove is identical with the diameter of the limiting screw, and the width of the limiting positioning groove is identical with that of the positioning screw.
The copper bar fixed guide rail is characterized in that the positioning screw is sleeved with a positioning nut in threaded connection, the two limiting positioning plates are respectively clamped and fixed on the guide rail positioning plate through the positioning nut, and the middle part of the guide rail positioning plate is bonded on the top surface of the copper bar fixed guide rail.
Copper bar fixed guide and copper bar adjust the outside of guide rail and be equipped with the fixed block respectively, the top level of fixed block is equipped with flexible regulating plate, the top surface of fixed block bonds and serves at flexible regulating plate, the cover is equipped with n type fixed plate on the flexible regulating plate, the bottom of n type fixed plate bonds on the one end top surface of copper bar fixed guide or copper bar regulation guide, the bottom surface of flexible regulating plate contacts with the top surface that copper bar fixed guide or copper bar regulation guide.
The inner shape of the n-type fixing plate is matched with the shape of the telescopic adjusting plate, a threaded hole is formed in the top of the n-type fixing plate, a fixing bolt is sleeved on the threaded hole, the diameter of the fixing bolt is equal to the aperture of the threaded hole, the fixing bolt is in threaded connection with the threaded hole, and the telescopic adjusting plate is clamped and fixed on the top surface of the copper bar fixing guide rail or the copper bar adjusting guide rail through the fixing bolt.
The bottom surface of copper bar fixed guide rail, the bottom surface that the guide rail was adjusted to the copper bar and the bottom surface of fixed block establish on same horizontal plane, the top surface of copper bar fixed guide rail and the top surface that the guide rail was adjusted to the copper bar contact with the inner wall of guide rail limiting plate respectively, the height of copper bar fixed guide rail is not more than the internal diameter of guide rail limiting plate.
The outside of guide rail limiting plate be equipped with operating handle, operating handle adopts n style of calligraphy rod-like structure, operating handle's bottom bonds at the top of the outer wall of guide rail limiting plate.
Copper bar fixed guide and copper bar adjust the well lower part of guide rail and seted up the copper bar fixed slot respectively, the copper bar fixed slot adopts to invert protruding type trough-shaped structure, the bottom of copper bar fixed slot is seted up on copper bar fixed guide or copper bar regulation guide bottom surface.
The utility model has the advantages that: firstly, the utility model comprises a copper bar fixed guide rail, the copper bar fixed guide rail on be equipped with two copper bar regulation guide rails, two copper bar regulation guide rails are symmetrically arranged on both sides of the copper bar fixed guide rail, one side of the copper bar fixed guide rail is equipped with a guide rail limiting plate, the guide rail limiting plate adopts an n-shaped plate structure, one end of the copper bar fixed guide rail is sleeved and bonded at the middle part of the guide rail limiting plate, the inner sides of the two copper bar regulation guide rails are respectively equipped with a limiting regulation plate, the limiting regulation plate is bonded at one end of the copper bar regulation guide rail, one end of the limiting regulation plate and the copper bar regulation guide rail are respectively sleeved in the guide rail limiting plate, a limiting screw rod is vertically bonded on the limiting regulation plate, both sides of the guide rail limiting plate are respectively equipped with a limiting regulation groove, the limiting regulation groove is sleeved on the limiting screw rod, a limiting nut in threaded connection is sleeved on the limiting screw rod, the limiting regulation plate is clamped and fixed on the guide rail limiting plate through the limiting nut, the other side of the copper bar fixed guide rail is provided with the guide rail positioning device, the utility model discloses a limit adjusting groove and limit screw suit in the limit adjusting groove are seted up respectively in the both sides of guide rail limiting plate to be convenient for adjust the copper bar and adjust the distance between guide rail and the copper bar fixed guide rail, and through the limit nut who is equipped with, thereby be convenient for adjust the copper bar and adjust the guide rail clamp and fix on the guide rail limiting plate, be convenient for arrange again; secondly, the utility model is convenient for positioning the distance between the copper bar adjusting guide rail and the copper bar fixing guide rail through the arranged guide rail positioning device, namely the limiting positioning plate, the positioning bolt and the guide rail positioning plate, and the positioning nut in threaded connection is sleeved on the positioning screw rod, so that the limiting positioning plate is clamped and fixed on the guide rail positioning plate, thereby being convenient for fixing the copper bar adjusting guide rail and improving the use stability of the copper bar adjusting guide rail; thirdly, the utility model is convenient for adjusting the distance between the fixed block and the copper bar adjusting guide rail or the copper bar fixing guide rail through the telescopic adjusting plate and the n-shaped fixed plate, even if the length of the utility model is adjusted, the utility model meets the installation requirements of various power distribution cabinets, the telescopic adjusting plate is convenient to be pressed and fixed on the top surface of the copper bar fixed guide rail or the copper bar adjusting guide rail through the arranged fixing bolt, thereby facilitating the fixation of the fixed block and improving the use stability of the fixed block, and the bottom surface of the copper bar fixed guide rail, the bottom surface of the copper bar adjusting guide rail and the bottom surface of the fixed block are arranged on the same horizontal plane, thereby facilitating the horizontal placement of the utility model, the height of the copper bar fixed guide rail is not more than the inner diameter of the guide rail limiting plate, so that the buckle of the utility model is convenient to buckle on the supporting frame of the power distribution cabinet, and the installation stability of the utility model is improved; additionally, the utility model discloses an operating handle who is equipped with to be convenient for through holding operating handle, right the utility model discloses remove to the copper bar fixed slot has been seted up respectively to well lower part through copper bar fixed guide and copper bar regulation guide, is convenient for carry out the overlap joint to vertical in line and power component, thereby satisfies the installation demand of switch board, makes the utility model discloses have fine society and economic benefits, be the product of easily using widely.
Drawings
Fig. 1 is a first perspective view of the present invention.
Fig. 2 is a second perspective view of the present invention.
Fig. 3 is a schematic perspective view of the middle copper bar adjusting guide rail of the present invention.
Fig. 4 is the utility model discloses install the structural schematic diagram of switch board.
Detailed Description
As shown in figures 1, 2, 3 and 4, the copper bar installation positioning device for the power distribution cabinet comprises a copper bar fixed guide rail 1, wherein two copper bar adjusting guide rails 2 are arranged on the copper bar fixed guide rail 1, the two copper bar adjusting guide rails 2 are symmetrically arranged on two sides of the copper bar fixed guide rail 1, one side of the copper bar fixed guide rail 1 is provided with a guide rail limiting plate 3, the guide rail limiting plate 3 adopts an n-shaped plate structure, one end of the copper bar fixed guide rail 1 is sleeved and bonded in the middle of the guide rail limiting plate 3, the inner sides of the two copper bar adjusting guide rails 2 are respectively provided with a limiting adjusting plate 4, the limiting adjusting plates 4 are bonded on one end of the copper bar adjusting guide rail 2, one ends of the limiting adjusting plates 4 and the copper bar adjusting guide rail 2 are respectively sleeved in the guide rail limiting plate 3, a limiting screw rod 5 is vertically bonded on the limiting adjusting plate 4, and two sides of the guide rail limiting adjusting grooves 6 are respectively arranged on two sides of the guide rail limiting plate 3, the 6 suits of spacing adjustment tank are on stop screw 5 to adjust guide rail 2 and spacing adjustment plate 4 to the copper bar and carry on spacingly, the cover is equipped with threaded connection's stop nut 7 on the stop screw 5, and spacing adjustment plate 4 presss from both sides tightly through stop nut 7 and fixes on guide rail limiting plate 3, thereby is convenient for adjust guide rail 2 to the copper bar and fixes, and the opposite side of copper bar fixed guide 1 is equipped with guide rail positioner.
The guide rail positioning device comprises two limiting positioning plates 8, the two limiting positioning plates 8 are respectively bonded on the inner sides of the two copper bar adjusting guide rails 2, positioning screws 9 are respectively vertically bonded on the two limiting positioning plates 8, a guide rail positioning plate 10 is arranged between the two limiting positioning plates 8, limiting positioning grooves 11 are respectively formed in two sides of the guide rail positioning plate 10, the limiting positioning grooves 11 are sleeved on the positioning screws 9, one sides of the copper bar adjusting guide rails 2 can be conveniently limited, and therefore the distance between the copper bar adjusting guide rails 2 and the copper bar fixing guide rails 1 can be conveniently adjusted; the length of the limiting adjusting groove 6 is matched with the length of the limiting positioning groove 11, the width of the limiting adjusting groove 6 is matched with the diameter of the limiting screw 5, and the width of the limiting positioning groove 11 is matched with the diameter of the positioning screw 9, so that the sliding stability of the limiting screw 5 and the positioning screw 9 is improved; positioning screw 9 on the cover be equipped with threaded connection's set nut 12, two spacing locating plates 8 press from both sides tightly through set nut 12 respectively and fix on guide rail locating plate 10, the middle part of guide rail locating plate 10 bonds on copper bar fixed guide 1's top surface to be convenient for adjust the guide rail 2 to the copper bar and fix, improve the stability that the guide rail 2 used is adjusted to the copper bar.
The outer sides of the copper bar fixed guide rail 1 and the copper bar adjusting guide rail 2 are respectively provided with a fixed block 13, a telescopic adjusting plate 14 is horizontally arranged above the fixed block 13, the top surface of the fixed block 13 is bonded on one end of the telescopic adjusting plate 14, an n-shaped fixed plate 15 is sleeved on the telescopic adjusting plate 14, the bottom end of the n-shaped fixed plate 15 is bonded on the top surface of one end of the copper bar fixed guide rail 1 or the copper bar adjusting guide rail 2, and the bottom surface of the telescopic adjusting plate 14 is contacted with the top surface of the copper bar fixed guide rail 1 or the copper bar adjusting guide rail 2, so that the distance between the fixed block 13 and the copper bar adjusting guide rail 2 or the copper bar fixed guide rail 1 can be conveniently adjusted; the inner shape of the n-type fixing plate 15 is matched with the shape of the telescopic adjusting plate 14, so that the use stability of the telescopic adjusting plate 14 is improved, a threaded hole is formed in the top of the n-type fixing plate 15, a fixing bolt 16 is sleeved on the threaded hole, the diameter of the fixing bolt 16 is equal to the aperture of the threaded hole, the fixing bolt 16 is in threaded connection with the threaded hole, and the telescopic adjusting plate 14 is clamped and fixed on the top surface of the copper bar fixing guide rail 1 or the copper bar adjusting guide rail 2 through the fixing bolt 16, so that the fixing block 13 is fixed conveniently; copper bar fixed guide 1's bottom surface, copper bar adjust the bottom surface of guide rail 2 and the bottom surface of fixed block 13 establish on same horizontal plane, copper bar fixed guide 1's top surface and copper bar adjust the top surface of guide rail 2 and contact with the inner wall of guide rail limiting plate 3 respectively, copper bar fixed guide 1 highly is not more than guide rail limiting plate 3's internal diameter, thereby be convenient for with the utility model discloses the buckle is fixed in the switch board.
An operating handle 17 is arranged on the outer side of the guide rail limiting plate 3, the operating handle 17 is of an n-shaped rod-shaped structure, the bottom end of the operating handle 17 is bonded to the top of the outer wall of the guide rail limiting plate 3, and the operating handle 17 is held to facilitate moving of the utility model; copper bar fixed rail 1 and copper bar adjust the well lower part of guide rail 2 and seted up copper bar fixed slot 18 respectively, copper bar fixed slot 18 adopts and inverts protruding type trough-shaped structure, the bottom of copper bar fixed slot 18 is seted up on copper bar fixed rail 1 or copper bar adjust guide rail 2 bottom surface to be convenient for carry out the overlap joint to perpendicular row and electric power component, satisfy the installation demand of switch board.
The use method of the product is as follows: as shown in fig. 1, 2, 3 and 4, firstly, according to the size of the power distribution cabinet and the arrangement of power components, the distance between the copper bar adjusting guide rail 2 and the fixed block 13 relative to the copper bar fixing guide rail 1 is adjusted, that is, the position of the limit screw 5 in the limit adjusting groove 6, the position of the positioning screw 9 in the limit positioning groove 11 and the position of the corresponding n-shaped fixed plate 15 of the telescopic adjusting plate 14 are adjusted, and after the adjustment is completed, the limit screw 5, the positioning nut 12 and the fixing bolt 16 are respectively screwed down, thereby fixing the utility model; then, through holding operating handle 17, with this product buckle to the support frame at switch board top on to according to power element's the demand of arranging, in receiving copper bar fixed slot 18 with vertical row and power element in proper order, thereby accomplish the construction of switch board.
The utility model discloses a simple to operate is convenient for remove, satisfies the installation demand of multiple switch board, is convenient for arrange again, and switch board copper bar installation positioner that stability is strong makes the utility model discloses extensive market prospect has.
Claims (9)
1. The utility model provides a switch board copper bar installation positioner, includes copper bar fixed guide (1), its characterized in that: the copper bar fixed guide rail (1) is provided with two copper bar adjusting guide rails (2), the two copper bar adjusting guide rails (2) are symmetrically arranged on two sides of the copper bar fixed guide rail (1), one side of the copper bar fixed guide rail (1) is provided with a guide rail limiting plate (3), the guide rail limiting plate (3) adopts an n-shaped plate structure, one end of the copper bar fixed guide rail (1) is sleeved and bonded at the middle part of the guide rail limiting plate (3), the inner sides of the two copper bar adjusting guide rails (2) are respectively provided with a limiting adjusting plate (4), the limiting adjusting plate (4) is bonded at one end of the copper bar adjusting guide rail (2), the limiting adjusting plate (4) and one end of the copper bar adjusting guide rail (2) are respectively sleeved in the guide rail limiting plate (3), the limiting adjusting plate (4) is vertically bonded with a limiting screw (5), and two sides of the guide rail limiting plate (3) are respectively provided with a limiting adjusting groove (6), the limiting adjusting groove (6) is sleeved on the limiting screw rod (5), the limiting screw rod (5) is sleeved with a limiting nut (7) in threaded connection, the limiting adjusting plate (4) is clamped and fixed on the guide rail limiting plate (3) through the limiting nut (7), and the other side of the copper bar fixed guide rail (1) is provided with a guide rail positioning device.
2. The distribution cabinet copper bar installation positioning device according to claim 1, characterized in that: guide rail positioner include two limiting positioning board (8), two limiting positioning board (8) bond respectively and adjust guide rail (2) inboardly at two copper bars, on two limiting positioning board (8) respectively vertical bonding have positioning screw (9), be equipped with guide rail locating plate (10) between two limiting positioning board (8), limiting positioning groove (11) have been seted up respectively to the both sides of guide rail locating plate (10), limiting positioning groove (11) suit is at positioning screw (9).
3. The distribution cabinet copper bar installation positioning device according to claim 2, characterized in that: the length of the limiting adjusting groove (6) is matched with the length of the limiting positioning groove (11), the width of the limiting adjusting groove (6) is matched with the diameter of the limiting screw (5), and the width of the limiting positioning groove (11) is matched with the diameter of the positioning screw (9).
4. The distribution cabinet copper bar installation positioning device according to claim 2, characterized in that: the copper bar fixed guide rail is characterized in that a positioning nut (12) in threaded connection is sleeved on the positioning screw rod (9), the two limiting positioning plates (8) are respectively clamped and fixed on the guide rail positioning plate (10) through the positioning nut (12), and the middle of the guide rail positioning plate (10) is bonded on the top surface of the copper bar fixed guide rail (1).
5. The distribution cabinet copper bar installation positioning device according to claim 1, characterized in that: copper bar fixed rail (1) and the outside that the guide rail (2) was adjusted to the copper bar are equipped with fixed block (13) respectively, the top level of fixed block (13) is equipped with flexible regulating plate (14), the top surface of fixed block (13) bonds on one end of flexible regulating plate (14), the cover is equipped with n type fixed plate (15) on flexible regulating plate (14), the bottom of n type fixed plate (15) bonds on the one end top surface that guide rail (2) were adjusted to copper bar fixed rail (1) or copper bar, the bottom surface of flexible regulating plate (14) contacts with the top surface that guide rail (2) were adjusted to copper bar fixed rail (1) or copper bar.
6. The distribution cabinet copper bar installation positioning device according to claim 5, characterized in that: the shape of the inner shape of the n-type fixing plate (15) is identical to that of the telescopic adjusting plate (14), a threaded hole is formed in the top of the n-type fixing plate (15), a fixing bolt (16) is sleeved on the threaded hole, the diameter of the fixing bolt (16) is equal to the aperture of the threaded hole, the fixing bolt (16) is in threaded connection with the threaded hole, and the telescopic adjusting plate (14) is clamped and fixed on the top surface of the copper bar fixing guide rail (1) or the copper bar adjusting guide rail (2) through the fixing bolt (16).
7. The distribution cabinet copper bar installation positioning device according to claim 5, characterized in that: the bottom surface of copper bar fixed guide (1), the bottom surface that the copper bar adjusted guide (2) and the bottom surface of fixed block (13) establish on same horizontal plane, the top surface of copper bar fixed guide (1) and the top surface that the copper bar adjusted guide (2) contact with the inner wall of guide rail limiting plate (3) respectively, the height of copper bar fixed guide (1) is not more than the internal diameter of guide rail limiting plate (3).
8. The distribution cabinet copper bar installation positioning device according to claim 1, characterized in that: the outside of guide rail limiting plate (3) be equipped with operating handle (17), operating handle (17) adopt n style of calligraphy rod-like structure, the bottom of operating handle (17) bonds at the top of the outer wall of guide rail limiting plate (3).
9. The distribution cabinet copper bar installation positioning device according to claim 1, characterized in that: copper bar fixed guide (1) and copper bar adjust the well lower part of guide rail (2) and seted up copper bar fixed slot (18) respectively, copper bar fixed slot (18) adopt to invert protruding type trough-shaped structure, the bottom of copper bar fixed slot (18) is seted up on copper bar fixed guide (1) or copper bar regulation guide (2) bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120256431.XU CN214478470U (en) | 2021-01-29 | 2021-01-29 | Switch board copper bar installation positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120256431.XU CN214478470U (en) | 2021-01-29 | 2021-01-29 | Switch board copper bar installation positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214478470U true CN214478470U (en) | 2021-10-22 |
Family
ID=78141524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120256431.XU Expired - Fee Related CN214478470U (en) | 2021-01-29 | 2021-01-29 | Switch board copper bar installation positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214478470U (en) |
-
2021
- 2021-01-29 CN CN202120256431.XU patent/CN214478470U/en not_active Expired - Fee Related
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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: 20211022 |