CN210508853U - Window type natural air inlet mechanism - Google Patents
Window type natural air inlet mechanism Download PDFInfo
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- CN210508853U CN210508853U CN201921189310.7U CN201921189310U CN210508853U CN 210508853 U CN210508853 U CN 210508853U CN 201921189310 U CN201921189310 U CN 201921189310U CN 210508853 U CN210508853 U CN 210508853U
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- 238000009434 installation Methods 0.000 claims abstract 3
- 230000035939 shock Effects 0.000 claims description 8
- 239000004677 Nylon Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 abstract description 3
- 238000013016 damping Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a window type natural air inlet mechanism, which relates to the technical field of natural ventilation equipment, and adopts the technical scheme that the window type natural air inlet mechanism comprises a window frame, wherein a square mounting frame is fixed on the inner side wall of the window frame, the outer side wall of the square mounting frame is connected with a mounting shaft, and a rotating window is fixedly sleeved on the mounting shaft; the inner side wall of the square mounting frame is rotatably connected with a first connecting rod, and the mounting shaft penetrates through the side wall of the square mounting frame and is fixedly connected with the first connecting rod; a sliding device is arranged on one side of the square mounting frame and comprises two guide strips, a first sliding block, a fixed block and a driving mechanism; a sliding window is fixed on the first sliding block, and a guide mechanism is arranged between the sliding window and the window frame; a second connecting rod is installed in the square installation frame, a first connecting mechanism is arranged between the first sliding block and the second connecting rod, and a second connecting mechanism is arranged between the second connecting rod and the first connecting rod. The utility model provides a problem that both sides window can not close simultaneously, reached the effect that both sides window can open simultaneously or close simultaneously.
Description
Technical Field
The utility model relates to a natural draft equipment technical field, more specifically the saying so, it relates to a window formula nature air inlet mechanism.
Background
At present, natural ventilation equipment mainly refers to windows, skylights, air exhaust shafts and the like, and natural ventilation is mainly realized through indoor and outdoor pressure difference.
The prior art can refer to the chinese utility model patent that the grant bulletin number is CN205332441U, and it discloses a window formula nature air inlet mechanism, including the rectangle framework that runs through in the wall body, the rectangle framework is close to that indoor one side articulates there is the interior apron, and the rectangle framework is close to that outdoor one side articulates there is the outer apron, is connected through link mechanism between interior apron and the outer apron, is provided with the nylon wire filter in the rectangle framework.
However, because the inner and outer windows are respectively connected with the connecting rod, the length of the connecting rod is fixed, and the window at one side is closed, the window at the other side is in an open state through the connecting rod, so that two windows are inconvenient to be closed simultaneously, and the indoor space is relatively cold in winter.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a window formula nature air inlet mechanism, it has reached the effect that both sides window can be opened or close simultaneously through setting up coupling mechanism between austral window, sliding sash and the revolving window of window frame both sides.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a window type natural air inlet mechanism comprises a window frame penetrating through a wall body, wherein a nylon net filter is arranged in the window frame, a square mounting frame is fixed on the inner side wall of the window frame, the outer side wall of the square mounting frame is rotatably connected with a mounting shaft, and a rotating window is fixedly sleeved on the mounting shaft; the inner side wall of the square mounting frame is rotatably connected with a first connecting rod, and the mounting shaft penetrates through the side wall of the square mounting frame and is fixedly connected with the end part of the first connecting rod; the sliding device comprises two guide strips fixed on one indoor side of the square mounting frame, a first sliding block, a fixed block and a driving mechanism, wherein the first sliding block is connected with the two guide strips in a sliding mode along the vertical direction; a sliding window is fixed on one side of the first sliding block close to the indoor space, and a guide mechanism for guiding the sliding window is arranged between the sliding window and the window frame; the square mounting frame is connected with a second connecting rod in a rotating mode, a first connecting mechanism used for driving the second connecting rod to rotate is arranged between the first sliding block and the second connecting rod, and a second connecting mechanism used for driving the first connecting rod to rotate is arranged between the second connecting rod and the first connecting rod.
By adopting the technical scheme, when the sliding window is opened upwards, the driving mechanism drives the first sliding block to move upwards, the first sliding block drives the second connecting rod to rotate upwards through the first connecting mechanism, the second connecting rod drives the first connecting rod to rotate towards the outer side of the window frame through the second connecting mechanism, and the first connecting rod drives the rotating window to rotate towards the outer side of the window frame through the mounting shaft; when the sliding window is closed downwards, the driving mechanism drives the first sliding block to move downwards, the first sliding block drives the second connecting rod to rotate downwards through the first connecting mechanism, the second connecting rod drives the first connecting rod to rotate towards the inner side of the window frame through the second connecting mechanism, the first connecting rod drives the rotating window to rotate towards the inner side of the window frame through the mounting shaft, the rotating window outside the window frame is controlled through the sliding window located at the inner side of the window frame in an up-and-down sliding mode, and therefore the effect that windows on two sides can be opened or closed simultaneously is achieved.
The utility model discloses further set up to: the first connecting mechanism comprises a third connecting rod hinged with the end part of the second connecting rod and a triangular bulge fixed on one side of the first sliding block, which is far away from the sliding window; one end of the third connecting rod, which is far away from the second connecting rod, is hinged to the triangular bulge.
By adopting the technical scheme, when the first sliding block drives the sliding window to slide upwards, the second connecting rod is pushed to rotate upwards through the third connecting rod, and when the first sliding block drives the sliding window to slide downwards, the second connecting rod is driven to rotate downwards through the third connecting rod; by providing the third link, it is convenient to rotate the second link upward or downward.
The utility model discloses further set up to: the second connecting mechanism comprises a fourth connecting rod hinged with one end of the first connecting rod, which is far away from the mounting shaft, a strip-shaped through hole formed in one side of the second connecting rod, which is close to the first connecting rod, and a connecting shaft fixed in the strip-shaped through hole; and one end of the fourth connecting rod, which is far away from the first connecting rod, is rotatably connected with the connecting shaft.
By adopting the technical scheme, when the second connecting rod rotates upwards, the fourth connecting rod is driven to rotate downwards, and the fourth connecting rod drives the first connecting rod to rotate towards the outer side of the window frame; when the second connecting rod rotates downwards, the fourth connecting rod is driven to rotate upwards, the fourth connecting rod drives the first connecting rod to rotate towards the inner side of the window frame, the first connecting rod is driven to rotate towards the inner side or the outer side of the window frame through the rotation of the second connecting rod, and then the first connecting rod drives the rotating window to open and close.
The utility model discloses further set up to: the driving mechanism comprises a mounting through hole formed in the fixed block, a screw rod rotationally connected in the mounting through hole and a limiting assembly arranged between the screw rod and the fixed block and used for preventing the screw rod from sliding vertically; the screw rod is in threaded connection with the first sliding block.
By adopting the technical scheme, the first sliding block is driven to vertically move through the screw rod, so that the sliding window can be conveniently driven to ascend or descend.
The utility model discloses further set up to: the limiting assembly comprises a circular limiting sheet fixed on the outer peripheral surface of the screw and an annular groove formed in the inner peripheral surface of the mounting through hole; the circular limiting sheet is rotatably connected with the annular groove.
Through adopting above-mentioned technical scheme, carry on spacingly to circular spacing piece through the ring channel, can reduce the screw rod and follow the vertical possibility that takes place to deviate.
The utility model discloses further set up to: the guide mechanism comprises a sliding groove arranged on one side of the square mounting frame close to the indoor side and a second sliding block connected to the sliding groove in a sliding mode along the vertical direction; one side of the sliding window close to the square mounting frame is fixedly connected with the second sliding block.
Through adopting above-mentioned technical scheme, second slider and first slider set up respectively in austral window, sliding sash both sides, and the second slider provides the balance with the spout cooperation for the austral window, sliding sash, is convenient for realize sliding sash's upper and lower slip.
The utility model discloses further set up to: the sliding groove is a dovetail groove, and the second sliding block is a dovetail block.
By adopting the technical scheme, the sliding window can be more tightly connected with the window frame by the sliding of the dovetail groove and the dovetail block.
The utility model discloses further set up to: the bottom of two gibs is fixed with the supporting shoe, the top of supporting shoe is fixed with the spring, the top rigid coupling of spring has the shock attenuation board, the shock attenuation board all cup joints in the screw rod with the spring, just the shock attenuation board is connected in the screw rod along vertical sliding.
Through adopting above-mentioned technical scheme, first slider slides when to the screw rod bottom with the shock attenuation board contact, can slow down the slew velocity of first slider through the spring to can alleviate the rigid contact of first slider and square installing frame.
To sum up, the utility model discloses compare and have following beneficial effect in prior art:
1. the nylon net filter is arranged, so that air entering a room can be filtered, and the indoor air quality can be improved;
2. the connecting rod mechanism is arranged between the sliding window and the rotating window, so that the opening and closing of the rotating window can be conveniently operated indoors;
3. the first sliding block is driven to move vertically through the screw rod, so that the sliding window can be conveniently driven to ascend or descend.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the first connecting mechanism of the present invention;
FIG. 3 is a schematic structural view of the second connecting mechanism of the present invention;
FIG. 4 is a partial cross-sectional view of the middle prominent limiting assembly of the present invention;
FIG. 5 is an enlarged schematic view at A in FIG. 4;
fig. 6 is an enlarged schematic view of fig. 3 at B.
In the figure: 1. a window frame; 2. a nylon mesh filter; 3. a square mounting frame; 31. a first link; 311. a second connecting mechanism; 3111. a fourth link; 3112. a strip-shaped through hole; 3113. a connecting shaft; 32. a second link; 321. a first connecting mechanism; 3211. a third link; 3212. a triangular protrusion; 4. rotating the window; 41. installing a shaft; 5. a sliding device; 51. a guide strip; 52. a first slider; 53. a fixed block; 54. a drive mechanism; 541. mounting a through hole; 542. a screw; 543. a limiting component; 5431. a circular limiting sheet; 5432. an annular groove; 544. a hand wheel; 6. sliding windows; 61. a guide mechanism; 611. a chute; 612. a second slider; 62. a support block; 63. a spring; 64. a shock absorbing plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example (b): a window type natural air inlet mechanism is shown in figures 1 and 2 and comprises a window frame 1 penetrating through a wall body, a nylon net filter 2 is arranged in the window frame 1, a square mounting frame 3 is fixed on the inner side wall of the window frame 1, the outer side wall of the square mounting frame 3 is rotatably connected with a mounting shaft 41, and a rotating window 4 is fixedly sleeved on the mounting shaft 41; the inner side wall of the square mounting frame 3 is rotatably connected with a first connecting rod 31, and the mounting shaft 41 penetrates through the side wall of the square mounting frame 3 and is fixedly connected with the end part of the first connecting rod 31; the square mounting frame 3 is provided with a sliding device 5 at one side close to the indoor.
As shown in fig. 1 and 3, the sliding device 5 includes two guide bars 51 fixed on one side of the square mounting frame 3 near the indoor space, first sliding blocks 52 respectively connected with the two guide bars 51 in a sliding manner along the vertical direction, fixed blocks 53 fixed on the tops of the two guide bars 51, and a driving mechanism 54 mounted on the fixed blocks 53 for driving the first sliding blocks 52 to move; a sliding window 6 is fixed on one side of the first sliding block 52 close to the indoor space, and a guide mechanism 61 for guiding the sliding window 6 is arranged between the sliding window 6 and the window frame 1; the second connecting rod 32 is rotatably connected to the square mounting frame 3, a first connecting mechanism 321 for driving the second connecting rod 32 to rotate is arranged between the first slider 52 and the second connecting rod 32, and a second connecting mechanism 311 for driving the first connecting rod 31 to rotate is arranged between the second connecting rod 32 and the first connecting rod 31. When the sliding window 6 is opened upwards, the driving mechanism 54 drives the first slider 52 to move upwards, the first slider 52 drives the second connecting rod 32 to rotate upwards through the first connecting mechanism 321, the second connecting rod 32 drives the first connecting rod 31 to rotate towards the outer side of the window frame 1 through the second connecting mechanism 311, and the first connecting rod 31 drives the rotating window 4 to rotate towards the outer side of the window frame 1 through the mounting shaft 41; when the sliding window 6 is closed downwards, the driving mechanism 54 drives the first sliding block 52 to move downwards, the first sliding block 52 drives the second connecting rod 32 to rotate downwards through the first connecting mechanism 321, the second connecting rod 32 drives the first connecting rod 31 to rotate towards the inner side of the window frame 1 through the second connecting mechanism 311, the first connecting rod 31 drives the rotating window 4 to rotate towards the inner side of the window frame 1 through the mounting shaft 41, the sliding window 6 located at the inner side of the window frame 1 is controlled for the rotating window 4 at the outer side of the window frame 1 through up-down pushing and pulling, and therefore the effect that windows at two sides can be opened or closed simultaneously is achieved.
As shown in fig. 1 and 2, the first connecting mechanism 321 includes a third connecting rod 3211 hinged to an end of the second connecting rod 32 and a triangular protrusion 3212 fixed to a side of the first slider 52 away from the sliding window 6; one end of the third link 3211, which is far from the second link 32, is hinged to the triangular protrusion 3212. When the first slider 52 drives the sliding window 6 to slide upwards, the second connecting rod 32 is pushed to rotate upwards through the third connecting rod 3211, and when the first slider 52 drives the sliding window 6 to slide downwards, the second connecting rod 32 is driven to rotate downwards through the third connecting rod 3211; by providing the third link 3211, it is convenient to rotate the second link 32 upward or downward.
As shown in fig. 1 and 3, the second connecting mechanism 311 includes a fourth link 3111 hinged to an end of the first link 31 away from the mounting shaft 41, a strip-shaped through hole 3112 opened on a side of the second link 32 close to the first link 31, and a connecting shaft 3113 fixed in the strip-shaped through hole 3112; an end of the fourth link 3111 remote from the first link 31 is rotatably connected to the connecting shaft 3113. When the second link 32 rotates upward, the fourth link 3111 is driven to rotate downward, and the fourth link 3111 drives the first link 31 to rotate toward the outer side of the window frame 1; when second connecting rod 32 rotates downwards, drive fourth connecting rod 3111 and upwards rotate, and fourth connecting rod 3111 drives first connecting rod 31 and rotates to window frame 1 inboard, is convenient for drive first connecting rod 31 through the rotation of second connecting rod 32 and rotates to window frame 1 inboard or outside, and then drives the switching of revolving window 4 through first connecting rod 31.
As shown in fig. 2 and 3, the guiding mechanism 61 includes a sliding groove 611 opened on one side of the square mounting frame 3 close to the indoor space, and a second sliding block 612 slidably connected to the sliding groove 611 along the vertical direction; one side of the sliding window 6 close to the square mounting frame 3 is fixedly connected with the second sliding block 612; the sliding groove 611 is a dovetail groove, and the second sliding block 612 is a dovetail block. The second slider 612 and the first slider 52 are respectively arranged at two sides of the sliding window 6, and the second slider 612 and the sliding groove 611 are matched to provide balance for the sliding window 6, so that the sliding window 6 can slide up and down conveniently.
As shown in fig. 4 and 5, the driving mechanism 54 includes a mounting through hole 541 opened on the fixing block 53, a screw 542 rotatably connected in the mounting through hole 541, and a limiting component 543 disposed between the screw 542 and the fixing block 53 for preventing the screw 542 from sliding vertically; the screw 542 is threadedly coupled to the first slider 52. The first sliding block 52 is driven by the screw 542 to move vertically, so that the sliding window 6 is driven to ascend or descend.
The limiting component 543 comprises a circular limiting piece 5431 fixed on the outer peripheral surface of the screw 542 and an annular groove 5432 arranged on the inner peripheral surface of the mounting through hole 541; the circular limiting piece 5431 is rotatably connected with the annular groove 5432. The circular limiting piece 5431 is limited by the annular groove 5432, so that the possibility of vertical deviation of the screw 542 can be reduced.
As shown in fig. 3 and 6, the bottom of each of the two guide bars 51 is fixed with a support block 62, the top of each support block 62 is fixed with a spring 63, the top of each spring 63 is fixedly connected with a damping plate 64, the damping plates 64 and the springs 63 are sleeved on a screw 542, and the damping plates 64 are slidably connected to the screw 542 along the vertical direction. When the first slider 52 slides to the bottom end of the screw 542, it contacts the damper plate 64, and the lowering speed of the first slider 52 can be reduced by the spring 63, so that the rigid contact between the first slider 52 and the square mounting frame 3 can be reduced.
The working principle of the embodiment is as follows:
when the sliding window 6 is opened upwards, the screw 542 drives the first slider 52 to move upwards, the first slider 52 drives the second link 32 to rotate upwards through the third link 3211, the second link 32 drives the first link 31 to rotate towards the outer side of the window frame 1 through the fourth link 3111, and the first link 31 drives the rotating window 4 to rotate towards the outer side of the window frame 1 through the mounting shaft 41; when the sliding window 6 is closed, the screw 542 drives the first slider 52 to move downward, the first slider 52 drives the second link 32 to rotate downward through the third link 3211, the second link 32 drives the first link 31 to rotate toward the inner side of the window frame 1 through the fourth link 3111, and the first link 31 drives the rotating window 4 to rotate toward the inner side of the window frame 1 through the mounting shaft 41.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a window formula nature air inlet mechanism, is including running through in window frame (1) of wall body, be provided with nylon wire filter (2) in window frame (1), its characterized in that: a square mounting frame (3) is fixed on the inner side wall of the window frame (1), the outer side wall of the square mounting frame (3) is rotatably connected with a mounting shaft (41), and a rotating window (4) is fixedly sleeved on the mounting shaft (41); the inner side wall of the square mounting frame (3) is rotatably connected with a first connecting rod (31), and the mounting shaft (41) penetrates through the side wall of the square mounting frame (3) and is fixedly connected with the end part of the first connecting rod (31);
a sliding device (5) is installed on one side, close to the indoor side, of the square installation frame (3), the sliding device (5) comprises two guide strips (51) fixed to one side, close to the indoor side, of the square installation frame (3), first sliding blocks (52) connected with the two guide strips (51) in a sliding mode in the vertical direction respectively, fixed blocks (53) fixed to the tops of the two guide strips (51), and a driving mechanism (54) installed on the fixed blocks (53) and used for driving the first sliding blocks (52) to move;
a sliding window (6) is fixed on one side, close to the indoor, of the first sliding block (52), and a guide mechanism (61) for guiding the sliding window (6) is installed between the sliding window (6) and the window frame (1);
the square mounting frame (3) is connected with a second connecting rod (32) in a rotating mode, a first connecting mechanism (321) used for driving the second connecting rod (32) to rotate is arranged between the first sliding block (52) and the second connecting rod (32), and a second connecting mechanism (311) used for driving the first connecting rod (31) to rotate is arranged between the second connecting rod (32) and the first connecting rod (31).
2. The window type natural air intake mechanism of claim 1, wherein: the first connecting mechanism (321) comprises a third connecting rod (3211) hinged to the end of the second connecting rod (32) and a triangular protrusion (3212) fixed to one side, far away from the sliding window (6), of the first sliding block (52); one end of the third connecting rod (3211) far away from the second connecting rod (32) is hinged to the triangular protrusion (3212).
3. The window type natural air intake mechanism of claim 1, wherein: the second connecting mechanism (311) comprises a fourth connecting rod (3111) hinged to one end, far away from the mounting shaft (41), of the first connecting rod (31), a strip-shaped through hole (3112) formed in one side, close to the first connecting rod (31), of the second connecting rod (32), and a connecting shaft (3113) fixed in the strip-shaped through hole (3112); one end, far away from the first connecting rod (31), of the fourth connecting rod (3111) is rotatably connected with the connecting shaft (3113).
4. The window type natural air intake mechanism of claim 1, wherein: the driving mechanism (54) comprises a mounting through hole (541) formed in the fixed block (53), a screw (542) rotatably connected in the mounting through hole (541) and a limiting assembly (543) arranged between the screw (542) and the fixed block (53) and used for preventing the screw (542) from sliding vertically; the screw (542) is in threaded connection with the first slider (52).
5. The window type natural air intake mechanism of claim 4, wherein: the limiting assembly (543) comprises a circular limiting sheet (5431) fixed on the outer peripheral surface of the screw (542) and an annular groove (5432) arranged on the inner peripheral surface of the mounting through hole (541); the circular limiting piece (5431) is rotatably connected with the annular groove (5432).
6. The window type natural air intake mechanism of claim 1, wherein: the guide mechanism (61) comprises a sliding groove (611) arranged on one side, close to the indoor side, of the square mounting frame (3) and a second sliding block (612) connected to the sliding groove (611) in a sliding mode in the vertical direction; one side of the sliding window (6) close to the square mounting frame (3) is fixedly connected with the second sliding block (612).
7. The window type natural air intake mechanism of claim 6, wherein: the sliding groove (611) is a dovetail groove, and the second sliding block (612) is a dovetail block.
8. The window type natural air intake mechanism of claim 1, wherein: the bottom of two gib block (51) is fixed with supporting shoe (62), the top of supporting shoe (62) is fixed with spring (63), the top rigid coupling of spring (63) has shock attenuation board (64), shock attenuation board (64) and spring (63) all cup joint in screw rod (542), just shock attenuation board (64) are followed vertical sliding connection in screw rod (542).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921189310.7U CN210508853U (en) | 2019-07-25 | 2019-07-25 | Window type natural air inlet mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921189310.7U CN210508853U (en) | 2019-07-25 | 2019-07-25 | Window type natural air inlet mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210508853U true CN210508853U (en) | 2020-05-12 |
Family
ID=70585608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921189310.7U Expired - Fee Related CN210508853U (en) | 2019-07-25 | 2019-07-25 | Window type natural air inlet mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210508853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000323A (en) * | 2021-11-01 | 2022-02-01 | 珠海格力电器股份有限公司 | Washing machine door body, washing machine and washing machine lifting door control method |
-
2019
- 2019-07-25 CN CN201921189310.7U patent/CN210508853U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000323A (en) * | 2021-11-01 | 2022-02-01 | 珠海格力电器股份有限公司 | Washing machine door body, washing machine and washing machine lifting door control method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 |
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| CF01 | Termination of patent right due to non-payment of annual fee |