CN219075910U - Perforating device for inclined holes of wood boards - Google Patents
Perforating device for inclined holes of wood boards Download PDFInfo
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- CN219075910U CN219075910U CN202222904406.5U CN202222904406U CN219075910U CN 219075910 U CN219075910 U CN 219075910U CN 202222904406 U CN202222904406 U CN 202222904406U CN 219075910 U CN219075910 U CN 219075910U
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- sliding groove
- moving seat
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- 239000002023 wood Substances 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000004080 punching Methods 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 244000089409 Erythrina poeppigiana Species 0.000 description 3
- 235000009776 Rathbunia alamosensis Nutrition 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a perforating device for a wood plate inclined hole, wherein a longitudinal moving positioning mechanism comprises a longitudinal moving seat and a longitudinal positioning piece, wherein the longitudinal moving seat is longitudinally and slidably arranged on a chassis, the longitudinal positioning piece can position the longitudinal moving seat and the chassis, and the longitudinal moving seat is provided with transverse scales; the transverse moving positioning mechanism comprises a transverse moving seat and a transverse positioning piece, wherein the transverse moving seat is transversely and slidably arranged on the longitudinal moving seat, and the transverse positioning piece can position the transverse moving seat and the longitudinal moving seat; the support seat is fixedly connected to the transverse moving seat and is vertically arranged with the transverse moving seat, and is provided with a second positioning scale; the first plank locating piece can be installed on the lateral shifting seat with horizontal regulation, and the second plank locating piece can be installed on the supporting seat with up-and-down regulation, and the plank top is leaned against on the second plank locating piece, and the plank bottom is leaned against on the first plank locating piece. This perforating device not only simple structure, and convenient operation, labour saving and time saving.
Description
Technical Field
The utility model relates to a perforating device for inclined holes of a wood board.
Background
Along with the improvement of life quality of people, the requirements on furniture product styles and structures are continuously improved, and in the production and installation process of furniture, inclined assembling with a certain angle is required for the design and installation of plates, such as a bookshelf and an open cabinet, and inclined holes with a certain angle are required to be drilled on the plates for positioning and installation.
The quick base clamping mechanism is matched with the auxiliary punching mechanism, and consists of a base plate, positioning plates fixed on two sides of the base plate and close to one end, strip-shaped holes formed in one end of the side surfaces of the positioning plates, a fixed seat fixedly arranged on the base plate and close to the other end, a frame body arranged on the fixed seat, an L-shaped spanner connected with the frame body through a pin shaft and close to one end, a ladder rod penetrating through the frame body and close to the other end, and a movable frame with one end connected with a pin shaft of the ladder rod and the other end connected with the pin shaft of the L-shaped spanner. Therefore, the hole punching positioner is complex in structure, troublesome in positioning, time-consuming and labor-consuming.
Disclosure of Invention
The utility model provides a perforating device for a wood board inclined hole, which overcomes the defects existing in the background technology. The technical scheme adopted for solving the technical problems is as follows:
a perforating device for inclined holes of a wood board, which is suitable for a vertical perforating drill bit, the perforating device comprising:
a chassis provided with longitudinal graduations in the longitudinal direction;
the longitudinal movement positioning mechanism comprises a longitudinal movement seat and a longitudinal positioning piece, wherein the longitudinal movement seat is longitudinally and slidably arranged on the chassis, and the longitudinal positioning piece can position the longitudinal movement seat and the chassis;
the transverse moving positioning mechanism comprises a transverse moving seat and a transverse positioning piece, wherein the transverse moving seat is transversely and slidably arranged on the longitudinal moving seat, and the transverse positioning piece can position the transverse moving seat and the longitudinal moving seat;
the support seat is fixedly connected to the transverse moving seat and is vertically arranged with the transverse moving seat, and the support seat is provided with second positioning scales;
the first plank locating part and second plank locating part, but first plank locating part transversely installs on the lateral shifting seat with adjusting, but second plank locating part installs on the supporting seat with adjusting from top to bottom, and the plank top is leaned on the second plank locating part, and the plank bottom is leaned on the first plank locating part.
In a preferred embodiment: the chassis is also provided with a longitudinal sliding groove extending along the longitudinal direction of the chassis, the longitudinal moving seat is provided with a longitudinal moving seat perforation penetrating up and down, the longitudinal positioning piece comprises a longitudinal positioning bolt and a longitudinal positioning nut, the longitudinal positioning nut is positioned in the longitudinal sliding groove, and the longitudinal positioning bolt penetrates through the longitudinal moving seat perforation, then stretches into the longitudinal sliding groove and is in threaded fit with the longitudinal positioning nut.
In a preferred embodiment: the longitudinal sliding groove is in a convex shape with an opening at the top end, the width of the longitudinal positioning nut is larger than that of the opening at the top end of the longitudinal sliding groove, and the longitudinal positioning nut cannot rotate in the longitudinal sliding groove.
In a preferred embodiment: the longitudinal positioning piece further comprises a longitudinal positioning handle, and the longitudinal positioning handle is fixedly connected to the top end of the longitudinal positioning bolt.
In a preferred embodiment: the top end of the longitudinal moving seat is provided with a transverse sliding groove which transversely extends, the transverse moving seat is provided with a transverse moving seat perforation which penetrates through the transverse moving seat vertically, the transverse locating piece comprises a transverse locating bolt and a transverse locating nut, the transverse locating nut is located in the transverse sliding groove, and the transverse locating bolt penetrates through the transverse moving seat perforation, then stretches into the transverse sliding groove and is in threaded connection with the transverse locating nut.
In a preferred embodiment: the transverse sliding groove is in a convex shape with an opening at the top end, the width of the transverse positioning nut is larger than that of the opening at the top end of the transverse sliding groove, and the transverse positioning nut cannot rotate in the transverse sliding groove.
In a preferred embodiment: the top end of the transverse moving seat is provided with a first positioning sliding groove which transversely extends, the first wood board positioning piece comprises a first positioning block, a first positioning bolt and a first positioning nut, the first positioning nut is positioned in the first positioning sliding groove, and the first positioning bolt penetrates through the first positioning block, then stretches into the first positioning sliding groove and is in threaded connection with the first positioning nut.
In a preferred embodiment: the first positioning sliding groove is in a convex shape with an opening at the top end, the width of the first positioning nut is larger than the width of the opening at the top end of the first positioning sliding groove, and the first positioning nut can not rotate in the first positioning sliding groove.
In a preferred embodiment: the supporting seat is provided with a second positioning sliding groove extending up and down, the second wood board positioning piece comprises a second positioning block, a second positioning bolt and a second positioning nut, the second positioning nut is positioned in the second positioning sliding groove, and the second positioning bolt penetrates through the second positioning block, then stretches into the second positioning sliding groove and is in threaded connection with the second positioning nut.
In a preferred embodiment: the second positioning sliding groove is in a convex shape with an opening at the top end, the width of the second positioning nut is larger than the width of the opening at the top end of the second positioning sliding groove, and the second positioning nut can not rotate in the second positioning sliding groove.
Compared with the background technology, the technical proposal has the following advantages:
1. the punching device utilizes the principle of trigonometric function, changes the angle of the wood board by adjusting the space height and the width of the wood board, and achieves the purpose of processing inclined holes by forming a certain angle through the wood board and the vertical punching drill (the vertical punching drill is vertically arranged at 90 degrees downwards). The device is simple in structure, convenient to operate and time-saving and labor-saving.
2. The longitudinal positioning bolt penetrates through the through hole of the longitudinal moving seat and then extends into the longitudinal sliding groove and is in threaded fit with the longitudinal positioning nut, and when the longitudinal positioning piece is not positioned, the longitudinal positioning piece can drive the longitudinal moving seat to slide along the longitudinal sliding groove; when the longitudinal moving seat is required to be positioned, the longitudinal positioning bolt and the longitudinal positioning nut are only required to be screwed tightly, the positioning is convenient, the longitudinal positioning bolt plays the role of a sliding rod, and the structure is more compact.
3. The width of the longitudinal positioning nut is larger than that of the opening at the top end of the longitudinal sliding groove, the longitudinal positioning nut can be prevented from falling out of the longitudinal sliding groove, and the longitudinal positioning nut cannot rotate in the longitudinal sliding groove, so that the longitudinal positioning bolt can move downwards when rotating, and the longitudinal positioning bolt can press the bottom wall of the longitudinal sliding groove to finish positioning action.
4. The longitudinal positioning handle is fixedly connected to the top end of the longitudinal positioning bolt, and the longitudinal positioning handle can facilitate rotation of the longitudinal positioning bolt.
5. The transverse positioning bolt penetrates through the transverse moving seat through hole and then extends into the transverse sliding groove and is in threaded connection with the transverse positioning nut, and when the transverse positioning piece is not positioned, the transverse positioning piece can drive the transverse moving seat to slide along the transverse sliding groove; when the transverse moving seat is required to be positioned, the transverse positioning bolt and the transverse positioning nut are only required to be screwed tightly, the positioning is convenient, the transverse positioning bolt plays the role of the sliding rod, and the structure is more compact. 6. The width of the transverse positioning nut is larger than that of the opening at the top end of the transverse sliding groove, so that the transverse positioning nut can be prevented from falling out of the transverse sliding groove, and the transverse positioning nut cannot rotate in the transverse sliding groove, so that the transverse positioning bolt can move downwards when rotating, and the transverse positioning bolt can press the bottom wall of the transverse sliding groove to finish positioning action.
7. The structures of the first plank locating piece and the second plank locating piece are the same as the structures of the longitudinal locating piece and the transverse locating piece, and the adjustment is convenient.
Drawings
The utility model is further described below with reference to the drawings and examples.
Fig. 1 is a schematic diagram showing the overall structure of a punching device for inclined holes of a wood board according to a preferred embodiment.
FIG. 2 is a schematic sectional view showing the first board positioning member according to the preferred embodiment.
FIG. 3 is a schematic sectional view showing the installation of the longitudinal positioning member according to a preferred embodiment.
Fig. 4 is a schematic diagram illustrating a calculation principle of the distance D between the first positioning block and the supporting seat.
Fig. 5 is a schematic diagram illustrating a calculation principle of the lateral movement distance E of the lateral movement seat.
Fig. 6 is a schematic diagram showing the principle of calculation of the longitudinal movement distance F of the longitudinally movable seat.
Fig. 7 shows a schematic diagram of a comparison of the longitudinal movement distance F of the longitudinally movable seat and the distance Y between the center of the inclined hole and the front side of the plank.
Detailed Description
In the claims, specification and drawings hereof, unless explicitly defined otherwise, the terms "first," "second," or "third," etc. are used for distinguishing between different objects and not for describing a particular sequential order.
In the claims, specification and drawings of the present utility model, unless explicitly defined otherwise, references to orientation or positional relationship such as the terms "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise", etc. are based on the orientation and positional relationship shown in the drawings and are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or element referred to must have a particular orientation or be constructed and operated in a particular orientation, nor should it be construed as limiting the particular scope of the utility model.
In the claims, specification and drawings of the present utility model, unless explicitly defined otherwise, the terms "fixedly attached" and "fixedly attached" are to be construed broadly as any manner of connection without any positional or rotational relationship between the two, i.e. including non-removable, fixed, integrally connected, and fixedly connected by other means or elements.
In the claims, specification and drawings of the present utility model, the terms "comprising," having, "and variations thereof as used herein, are intended to be" including but not limited to.
Referring to fig. 1 to 6, a preferred embodiment of a device for punching inclined holes in a wood board is provided, which is suitable for a vertical punching drill 1, and comprises a chassis 10, a longitudinally moving positioning mechanism, a transversely moving positioning mechanism, a supporting seat 20, a first wood board positioning member and a second wood board positioning member.
The chassis 10 is provided with longitudinal graduations 11 in the longitudinal direction. The chassis 10 is further provided with a longitudinal sliding groove 12 extending in its longitudinal direction.
Specifically, as shown in fig. 1, the chassis 10 has a rectangular shape, and longitudinal graduations 11 are provided at both left and right ends thereof. The two longitudinal sliding grooves 12 are respectively positioned on the inner sides of the longitudinal graduations 11 at the two ends, and the two longitudinal sliding grooves 12 extend to the longitudinal end parts of the chassis 10.
In this embodiment, the longitudinal sliding groove 12 has a convex shape with an open top.
The longitudinal movement positioning mechanism comprises a longitudinal movement seat 30 longitudinally and slidably arranged on the chassis 10 and a longitudinal positioning piece capable of positioning the longitudinal movement seat 30 and the chassis 10, wherein the longitudinal movement seat 30 is provided with transverse scales 31.
In this embodiment, the longitudinal moving seat 30 is provided with a longitudinal moving seat through hole 32 penetrating up and down, the longitudinal positioning member includes a longitudinal positioning bolt 40 and a longitudinal positioning nut 41, the longitudinal positioning nut 41 is located in the longitudinal sliding groove 12, and the longitudinal positioning bolt 40 penetrates through the longitudinal moving seat through hole 32 and then extends into the longitudinal sliding groove 12 and is in threaded engagement with the longitudinal positioning nut 41.
In this embodiment, as shown in fig. 3, the width of the longitudinal positioning nut 41 is larger than the width of the top opening of the longitudinal sliding groove 12, and the longitudinal positioning nut 41 cannot rotate in the longitudinal sliding groove 12, for example, the longitudinal positioning nut 41 is designed to be non-circular.
In this embodiment, the longitudinal positioning member further includes a longitudinal positioning handle 42, and the longitudinal positioning handle 42 is fixedly connected to the top end of the longitudinal positioning bolt 40.
In this embodiment, a transverse sliding groove 33 extending transversely is provided at the top end of the longitudinally movable seat 30.
The moving and positioning mechanism comprises a transverse moving seat 50 which is transversely and slidably arranged on the longitudinal moving seat 30 and a transverse positioning piece which can position the transverse moving seat 50 and the longitudinal moving seat 30, wherein the transverse moving seat 50 is provided with a first positioning scale 51.
In this embodiment, the lateral moving seat 50 is provided with a lateral moving seat through hole 52 penetrating up and down, the lateral positioning member includes a lateral positioning bolt 53 and a lateral positioning nut, the lateral positioning nut is located in the lateral sliding groove 33, and the lateral positioning bolt 53 penetrates through the lateral moving seat through hole 52 and then extends into the lateral sliding groove 33 and is in threaded engagement with the lateral positioning nut.
In this embodiment, the lateral sliding groove 33 is in a convex shape with an open top, the width of the lateral positioning nut is greater than the width of the open top of the lateral sliding groove 33, and the lateral positioning nut cannot rotate in the lateral sliding groove. And, the top end of the lateral moving seat 50 is provided with a first positioning sliding groove 55 extending laterally.
In this embodiment, the structure and principle of the transverse positioning member are identical to those of the longitudinal positioning member.
The first plank retainer is mounted on the laterally movable seat 50 in a laterally adjustable manner.
In this embodiment, the first board positioning member includes a first positioning block 60, a first positioning bolt 61 and a first positioning nut 62, the first positioning nut 62 is located in the first positioning sliding groove 55, and the first positioning bolt 61 passes through the first positioning block 60, then extends into the first positioning sliding groove 55 and is in threaded engagement with the first positioning nut 62.
In this embodiment, as shown in fig. 2, the first positioning sliding groove 55 is in a convex shape with an open top, the width of the first positioning nut 62 is greater than the width of the open top of the first positioning sliding groove 55, and the first positioning nut 62 cannot rotate in the first positioning sliding groove 55.
The supporting seat 20 is fixedly connected to the lateral moving seat 50 and is arranged perpendicular to the lateral moving seat 50, and the supporting seat 20 is provided with a second positioning scale 21.
In this embodiment, the support base 20 is provided with a second positioning sliding groove 22 extending up and down. The second positioning sliding groove 22 is in a convex shape with an open top.
The second plank locating piece is installed on the supporting seat 20 in an up-and-down adjustable mode, the top end of the plank 2 abuts against the second plank locating piece, and the bottom end of the plank 2 abuts against the first plank locating piece.
In this embodiment, the second board positioning member includes a second positioning block 70, a second positioning bolt 71 and a second positioning nut, where the second positioning nut is located in the second positioning sliding groove 22, and the second positioning bolt 71 passes through the second positioning block 70, then extends into the second positioning sliding groove 22, and is in threaded engagement with the second positioning nut.
In this embodiment, the width of the second positioning nut is greater than the width of the top opening of the second positioning sliding groove 22, and the second positioning nut cannot rotate in the second positioning sliding groove 22.
In this embodiment, the second board positioning member has the same structure as the first board positioning member.
The punching process of the punching device is as follows:
the vertical punching drill 1 is kept still all the time in the horizontal direction, and knowing the length L and the thickness d of the wood board 2, the inclination angle a of the inclined hole 3, the radius r of the vertical punching drill 1, the distance X between the center of the inclined hole 3 and the top edge of the wood board, and the distance Y between the center of the inclined hole 3 and the front side edge of the wood board 2, the calculation is performed:
as shown in fig. 4, d=l×sina, where D is the distance between the first positioning block 60 and the support base 20;
as shown in fig. 5, the vertical hole drill 1 is abutted against the side surface of the support plate 20 to perform tool setting, and if the point defaults to 0 point, g= X sina+d sina, and E = G-r, where G is the distance between the center of the inclined hole and the support plate 20, and E is the lateral movement distance of the lateral movement seat 50;
as shown in fig. 6, when the vertical punching bit 1 is abutted against the front side surface of the wood board 2 and the point is set to be 0 point by default, f=y+r, where F is the longitudinal movement distance of the longitudinal movement seat 30.
Therefore, the vertical perforating drill 1 can be accurately aligned with the center of the inclined hole 3 by only longitudinally moving the longitudinally moving seat 30 by the distance of F and transversely moving the transversely moving seat 50 by the distance of E, and then the vertical perforating drill 1 is downwards moved, so that the required inclined hole 3 can be drilled on the wood board 2.
The foregoing description is only illustrative of the preferred embodiments of the present utility model, and therefore should not be taken as limiting the scope of the utility model, for all changes and modifications that come within the meaning and range of equivalency of the claims and specification are therefore intended to be embraced therein.
Claims (10)
1. The utility model provides a perforating device of plank inclined hole, its is applicable to perpendicular drill bit, its characterized in that: the punching device comprises:
a chassis provided with longitudinal graduations in the longitudinal direction;
the longitudinal movement positioning mechanism comprises a longitudinal movement seat and a longitudinal positioning piece, wherein the longitudinal movement seat is longitudinally and slidably arranged on the chassis, and the longitudinal positioning piece can position the longitudinal movement seat and the chassis;
the transverse moving positioning mechanism comprises a transverse moving seat and a transverse positioning piece, wherein the transverse moving seat is transversely and slidably arranged on the longitudinal moving seat, and the transverse positioning piece can position the transverse moving seat and the longitudinal moving seat;
the support seat is fixedly connected to the transverse moving seat and is vertically arranged with the transverse moving seat, and the support seat is provided with second positioning scales;
the first plank locating part and second plank locating part, but first plank locating part transversely installs on the lateral shifting seat with adjusting, but second plank locating part installs on the supporting seat with adjusting from top to bottom, and the plank top is leaned on the second plank locating part, and the plank bottom is leaned on the first plank locating part.
2. The perforating device for inclined holes of wood boards as claimed in claim 1, wherein: the chassis is also provided with a longitudinal sliding groove extending along the longitudinal direction of the chassis, the longitudinal moving seat is provided with a longitudinal moving seat perforation penetrating up and down, the longitudinal positioning piece comprises a longitudinal positioning bolt and a longitudinal positioning nut, the longitudinal positioning nut is positioned in the longitudinal sliding groove, and the longitudinal positioning bolt penetrates through the longitudinal moving seat perforation, then stretches into the longitudinal sliding groove and is in threaded fit with the longitudinal positioning nut.
3. The perforating device for inclined holes of wood boards as claimed in claim 2, wherein: the longitudinal sliding groove is in a convex shape with an opening at the top end, the width of the longitudinal positioning nut is larger than that of the opening at the top end of the longitudinal sliding groove, and the longitudinal positioning nut cannot rotate in the longitudinal sliding groove.
4. The perforating device for inclined holes of wood boards as claimed in claim 2, wherein: the longitudinal positioning piece further comprises a longitudinal positioning handle, and the longitudinal positioning handle is fixedly connected to the top end of the longitudinal positioning bolt.
5. The perforating device for inclined holes of wood boards as claimed in claim 1, wherein: the top end of the longitudinal moving seat is provided with a transverse sliding groove which transversely extends, the transverse moving seat is provided with a transverse moving seat perforation which penetrates through the transverse moving seat vertically, the transverse locating piece comprises a transverse locating bolt and a transverse locating nut, the transverse locating nut is located in the transverse sliding groove, and the transverse locating bolt penetrates through the transverse moving seat perforation, then stretches into the transverse sliding groove and is in threaded connection with the transverse locating nut.
6. The perforating device for inclined holes of a wood board as claimed in claim 5, wherein: the transverse sliding groove is in a convex shape with an opening at the top end, the width of the transverse positioning nut is larger than that of the opening at the top end of the transverse sliding groove, and the transverse positioning nut cannot rotate in the transverse sliding groove.
7. The perforating device for inclined holes of wood boards as claimed in claim 1, wherein: the top end of the transverse moving seat is provided with a first positioning sliding groove which transversely extends, the first wood board positioning piece comprises a first positioning block, a first positioning bolt and a first positioning nut, the first positioning nut is positioned in the first positioning sliding groove, and the first positioning bolt penetrates through the first positioning block, then stretches into the first positioning sliding groove and is in threaded connection with the first positioning nut.
8. The perforating device for inclined holes of wood boards as claimed in claim 7, wherein: the first positioning sliding groove is in a convex shape with an opening at the top end, the width of the first positioning nut is larger than the width of the opening at the top end of the first positioning sliding groove, and the first positioning nut can not rotate in the first positioning sliding groove.
9. The perforating device for inclined holes of wood boards as claimed in claim 1, wherein: the supporting seat is provided with a second positioning sliding groove extending up and down, the second wood board positioning piece comprises a second positioning block, a second positioning bolt and a second positioning nut, the second positioning nut is positioned in the second positioning sliding groove, and the second positioning bolt penetrates through the second positioning block, then stretches into the second positioning sliding groove and is in threaded connection with the second positioning nut.
10. The perforating device for inclined holes of wood boards as claimed in claim 9, wherein: the second positioning sliding groove is in a convex shape with an opening at the top end, the width of the second positioning nut is larger than the width of the opening at the top end of the second positioning sliding groove, and the second positioning nut can not rotate in the second positioning sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222904406.5U CN219075910U (en) | 2022-11-01 | 2022-11-01 | Perforating device for inclined holes of wood boards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222904406.5U CN219075910U (en) | 2022-11-01 | 2022-11-01 | Perforating device for inclined holes of wood boards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219075910U true CN219075910U (en) | 2023-05-26 |
Family
ID=86405361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222904406.5U Expired - Fee Related CN219075910U (en) | 2022-11-01 | 2022-11-01 | Perforating device for inclined holes of wood boards |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219075910U (en) |
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2022
- 2022-11-01 CN CN202222904406.5U patent/CN219075910U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230526 |
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| CF01 | Termination of patent right due to non-payment of annual fee |