CN209760550U - Double-layer movable floor driving lifting mechanism - Google Patents
Double-layer movable floor driving lifting mechanism Download PDFInfo
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- CN209760550U CN209760550U CN201920167058.3U CN201920167058U CN209760550U CN 209760550 U CN209760550 U CN 209760550U CN 201920167058 U CN201920167058 U CN 201920167058U CN 209760550 U CN209760550 U CN 209760550U
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- screw rod
- upright post
- seat
- rectangular frame
- flange plate
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Abstract
The utility model discloses a double-layer movable floor driving lifting mechanism, which comprises four lower upright posts, wherein a lower lead screw is arranged in each lower upright post, a lower screw is connected on each lower lead screw through a lower screw seat, a lower supporting part is arranged on each lower screw seat, each lower supporting part extends out of each lower upright post, and the four lower supporting parts are connected with a lower floor; the upper end of the lower screw rod is connected with an upper screw rod through a coupler, the rotation directions of the upper screw rod and the lower screw rod are opposite, an upper upright post is sleeved on the upper screw rod, the lower end of the upper upright post is fixedly connected with a middle supporting seat, the lower end of the upper screw rod penetrates through the middle supporting seat to be connected with the lower screw rod, an upper nut is connected onto the upper screw rod through an upper nut seat, an upper supporting part is arranged on the upper nut, the upper supporting part extends out of the upper upright post, and an upper floor slab is connected onto the four upper supporting parts; the upper end of the upper upright post is also connected with a rectangular frame, the outer side of at least one rectangular frame is connected with a motor support, and the motor support is connected with a driving motor. Novel structure, it is whole reliable and stable.
Description
Technical Field
The utility model belongs to the technical field of intelligent house, in particular to double-deck removal floor drive elevating system.
Background
The apartment buildings with high floor heights emerge in large and medium-sized cities in China, the apartment buildings are usually small living room areas with one room and one toilet (or one room and one toilet), the floor heights of the apartments are gradually increased to 9m, in order to improve the utilization rate of small-area high space, the 9m high space is changed into three floors, the 9m high space can be changed into two or three floors according to needs when in use, the 4.5m common space is used for two floors, so that the rooms become very open and bright for commercial use, and rooms with different purposes such as conference rooms, guest rooms, offices, gymnasiums, private clubs and the like can be separated. When the three-layer multifunctional bathroom is used, a 3m common house is formed, and rooms with different purposes such as a living room, a study room, a bedroom, a gymnasium, a changing room, a kitchen, a toilet and the like are separated. Because the two-to-three adjustment range can be expanded and the selectivity can be increased, the adjustment and the conversion can be automatically carried out according to the use, so that different requirements of different groups are greatly increased. The whole room can be used as a commercial room or an apartment, so that the house sale is more flexible and the market is wider.
There are closest patents retrieved, such as patent No. 201410670002.1, which include: controller and four actuating mechanism that drive liftable floor removed, every actuating mechanism removes along the spout that sets up an extension in vertical direction in the wall, and every actuating mechanism and an end angle fixed connection of liftable floor, and remove along the spout according to each end angle of control signal synchronous drive of controller, every actuating mechanism include driving motor and by this driving motor driven drive mechanism, drive mechanism including fix the mounting in this spout and with the moving member of this mounting meshing, an end angle fixed connection of moving member and liftable floor, the moving member produces the relative movement with this mounting under driving motor's drive to an end angle that drives liftable floor removes along the spout. However, the single-layer floor slab is lifted to change the indoor space, and only two sets of mechanisms are overlapped to realize double-layer movement or higher space conversion, so that space realization is not facilitated, and great difficulty and resource waste are caused in installation.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects of the prior art, the utility model provides a simple structure, the cost is lower, the energy saving and can improve drive arrangement's life's double-deck removal floor drive elevating system.
The utility model discloses technical scheme as follows:
a double-layer movable floor driving lifting mechanism comprises four lower stand columns arranged in the vertical direction, wherein connecting lines among the four lower stand columns are in a rectangular structure, a lower lead screw is arranged in each lower stand column in the vertical direction, a lower screw is connected to each lower lead screw through a lower screw seat, a lower supporting part is arranged on each lower screw seat, the lower supporting part extends out of the lower stand columns, and a lower floor is connected to the four lower supporting parts;
The upper end of the lower screw rod is connected with an upper screw rod through a coupler, the rotation directions of the upper screw rod and the lower screw rod are opposite, an upper upright post is sleeved on the upper screw rod, the lower end of the upper upright post is fixedly connected with a middle supporting seat, the middle supporting seat is fixed on a middle beam of a building, the lower end of the upper screw rod penetrates through the middle supporting seat to be connected with the lower screw rod, an upper nut is connected to the upper screw rod through an upper nut seat, an upper supporting part is arranged on the upper nut, the upper supporting part extends out of the upper upright post, and four upper supporting parts are connected with an upper floor slab;
The upper end of the upper upright post is further connected with a rectangular frame, the upper end of the upper screw rod penetrates through the lower bottom surface of the rectangular frame and then extends into the rectangular frame, the adjacent rectangular frames are connected through a connecting rod, the outer side of at least one rectangular frame is further connected with a motor support, and a driving motor is connected to the motor support.
By adopting the technical scheme, the upper floor and the lower floor stop at the middle height position at the beginning, the motor drives the upper screw rod to rotate after starting, the upper screw rod drives the lower screw rod to rotate, the upper screw rod and the lower screw rod rotate oppositely, so that the upper screw nut on the upper screw rod moves upwards when the motor rotates forwards, the lower screw nut on the lower screw rod moves downwards to further drive the upper floor to move upwards, the lower floor moves downwards, the motor stops after moving to a proper position, a needed three-layer space is changed, when the three-layer space is not needed, the motor rotates backwards to drive the upper screw nut on the upper screw rod to move downwards, the lower screw nut on the lower screw rod moves upwards to further drive the upper floor to move downwards, the lower floor moves upwards to stop after the three-layer space is not needed, the needed space can be changed at will according to needs, and the whole.
Preferably, the upper end of the upper screw rod is connected with a synchronizer through a coupler, the coupler is located in the rectangular frame, the synchronizer is connected to the upper top surface of the rectangular frame, and the adjacent synchronizers are connected with a connecting shaft through an elastic sheet coupler.
So set up, can guarantee through the synchronous rotation of four lead screw on the synchronizer, guaranteed four lead screw synchronous rotations down simultaneously, and then guaranteed that upper floor and lower floor slab shift up with move down steady.
Preferably, an in-position detection switch is disposed on the upper column at a limit position where the upper floor moves, and the in-position detection switch is electrically connected to the driving motor.
preferably, a limit switch is arranged at the limit position of the movement of the lower floor slab on the lower upright post, and the limit switch is electrically connected with the driving motor.
Preferably, the middle supporting seat is of an L-shaped structure as a whole, the lower end of the upper upright post is connected with the horizontal plane of the middle supporting seat, and the vertical plane of the middle supporting seat is fixed on a middle beam of the building.
According to the arrangement, the middle supporting seat is arranged and fixed on the middle beam, so that the bearing of the upper floor and the bearing of the structure of the upper floor can be distributed on the middle supporting seat, and the condition that the whole weight is concentrated on the lower floor and the building structure is damaged is avoided.
Preferably, a rectangular frame is connected below the middle supporting seat, the lower end of the upper screw rod sequentially penetrates through the horizontal plane of the middle supporting seat and the upper top surface of the rectangular frame, the upper end of the lower screw rod penetrates through the lower bottom surface of the rectangular frame and then is connected with the upper screw rod through the coupler, and the coupler is located in the rectangular frame.
Preferably, a fixing plate is connected to the lower end of the lower column, and the fixing plate is connected to the ground through a foundation bolt.
Preferably, the upper end of the upper upright post is connected with the lower bottom surface of the rectangular frame through a first flange, a first bearing seat is arranged in the first flange, a thrust bearing and a deep groove ball bearing are arranged in the first bearing seat, and the upper end part of the upper screw rod is connected to the first flange through the thrust bearing and the deep groove ball bearing;
the lower end of the upper upright post is connected with the middle supporting seat through a second flange plate, a second bearing seat is arranged in the second flange plate, a deep groove ball bearing is arranged in the second bearing seat, and the lower end part of the upper screw rod is connected with the second flange plate through the deep groove ball bearing.
Preferably, the upper end of the lower upright post is connected with the lower bottom surface of the rectangular frame through a third flange plate, a third bearing seat is arranged in the third flange plate, a thrust bearing and a deep groove ball bearing are arranged in the third bearing seat, and the upper end part of the lower screw rod is connected to the third flange plate through the thrust bearing and the deep groove ball bearing;
the lower end of the lower upright post is connected with the fixed plate through a fourth flange plate, a fourth bearing seat is arranged in the fourth flange plate, a deep groove ball shaft is arranged in the fourth bearing seat, and the lower end of the lower upright post is connected with the fourth flange plate through the deep groove ball shaft.
Has the advantages that: the utility model discloses having realized reciprocating of double-deck floor with one set of elevating system, having saved the resource, the cost is reduced, occupation space is little, installation and operation of being convenient for. The building three-dimensional space can be divided, the individual requirements of young groups are met, the structure is novel, the technology is advanced, the utilization of various forms of the whole space can be realized, and the space in various forms can be changed on the same use height to meet the requirements of the development in the times.
drawings
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal connection structure of FIG. 1;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view of FIG. 2 at B;
FIG. 5 is an enlarged view at C in FIG. 2;
FIG. 6 is an enlarged view of FIG. 2 at D;
Fig. 7 is an enlarged view of fig. 2 at E.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
the double-layer movable floor driving and lifting mechanism shown in the attached fig. 1-7 comprises four lower upright posts 11 arranged along the vertical direction, connecting lines between the four lower upright posts 11 are in a rectangular structure, the lower upright posts 11 are formed by processing thick-wall round tubes, a lower screw rod 12 is arranged in each lower upright post 11 along the vertical direction, two ends of the lower screw rod 12 extend out of the lower upright posts 11, a lower screw nut 16 is connected onto the lower screw rod 12 through a lower screw nut seat 15, a first guide sleeve 19 is sleeved on the lower screw nut 16, the lower end of the first guide sleeve 19 is abutted against the upper end of the lower screw nut seat 15, a lower support part 17 is welded on the lower screw nut seat 15, the lower support part 17 extends out of the lower upright posts 11, a lower floor 18 is connected onto the four lower support parts 17, the lower screw rod 12 is a right-handed screw rod which adopts a T-shaped thread, a limit switch 24 is arranged on the lower upright post 11 at the limit position where, the limit switch 24 is electrically connected to a drive motor 26.
the upper end of a lower screw rod 12 is connected with an upper screw rod 2 through a coupler 5, the rotation directions of the upper screw rod 2 and the lower screw rod 12 are opposite, the upper screw rod 2 is a left-handed screw rod, the left-handed screw rod adopts T-shaped threads, an upper upright post 1 is sleeved on the upper screw rod 2, two ends of the upper screw rod 2 extend out of the upper upright post 1, the lower end of the upper upright post 1 is fixedly connected with a middle supporting seat 10, the middle supporting seat 10 is fixed on a middle beam of a building, the lower end of the upper screw rod 2 penetrates through the middle supporting seat 10 to be connected with the lower screw rod 12, an upper screw nut 7 is connected on the upper screw rod 2 through an upper screw nut seat 61, a second guide sleeve 20 is sleeved on the upper screw nut 7, the lower end of the second guide sleeve 20 is abutted against the upper end of an upper screw nut seat 6, an upper supporting part 8 is welded on the upper screw nut 7, the upper supporting part 8 extends out of the upper upright post 1, upper supporting parts 8 are connected with upper floor, the position detection switch 23 is electrically connected to a drive motor 26. The upper end of the upper upright post 1 is also connected with a rectangular frame 3, the upper end of the upper screw rod 2 penetrates through the lower bottom surface of the rectangular frame 3 and then extends into the rectangular frame 3, the adjacent rectangular frames 3 are connected through a connecting rod 29, the outer side of one rectangular frame 3 is also connected with a motor support 25, and a driving motor 26 is connected onto the motor support 25.
The upper screw rod 2, the upper screw 7, the lower screw rod 12 and the lower screw 16 are T-shaped threads, the machining is simple and easy to achieve, the transmission resistance is small, the precision meets the requirement, meanwhile, the self-locking can be achieved, when the motor is in power-off locking, the upper floor 9 and the lower floor 18 can be fixed under the unpowered condition, and the double-insurance safety and reliability are achieved.
As can be seen from fig. 3 and fig. 1, the upper end of the upper screw rod 2 is connected with the synchronizer 4 through the coupler 5, the coupler 5 is positioned in the rectangular frame 3, the synchronizer 4 is connected on the upper top surface of the rectangular frame 3, and the adjacent synchronizers 4 are connected with the connecting shaft 27 through the elastic sheet coupler 28. The outer sides of the four rectangular frames 3 are also provided with fixed connecting plates 30, the fixed connecting plates 30 are fixed with the walls or the ceiling of a house, and the four upright posts are connected to form a rigid fixed frame, so that the whole structure is firm and stable.
The upper end of the upper upright post 1 is connected with the lower bottom surface of the rectangular frame 3 through a first flange 6, a first bearing seat is arranged in the first flange 6, a thrust bearing and a deep groove ball bearing are arranged in the first bearing seat, and the upper end part of the upper screw rod 2 is connected on the first flange 6 through the thrust bearing and the deep groove ball bearing; the lower end of the upper upright post 1 is connected with the middle supporting seat 10 through a second flange 14, a second bearing seat is arranged in the second flange 14, a deep groove ball bearing is arranged in the second bearing seat, and the lower end part of the upper screw rod 2 is connected to the second flange 14 through the deep groove ball bearing.
As can be seen from fig. 5 in combination with fig. 1 and 2, the middle support base 10 is integrally formed in an L-shaped structure, and is formed by welding two steel plates, reinforcing plates are welded on two sides of the L-shaped structure, the lower end of the upper upright post 1 is connected with the horizontal plane of the middle support base 10, and the vertical plane of the middle support base 10 is fixed on a middle beam of a building.
The lower part of the middle supporting seat 10 is connected with a rectangular frame 3, the lower end of the upper screw rod 2 sequentially penetrates through the horizontal plane of the middle supporting seat 10 and the upper top surface of the rectangular frame 3, the upper end of the lower screw rod 12 penetrates through the lower bottom surface of the rectangular frame 3 and then is connected with the upper screw rod 2 through a coupler 5, and the coupler 5 is located in the rectangular frame 3. The upper end of the lower upright post 11 is connected with the lower bottom surface of the rectangular frame 3 through a third flange 13, a third bearing seat is arranged in the third flange 13, a thrust bearing and a deep groove ball bearing are arranged in the third bearing seat, and the upper end part of the lower screw rod 12 is connected on the third flange 13 through the thrust bearing and the deep groove ball bearing.
As can be seen from fig. 7 and fig. 1, the lower end of the lower upright 11 is connected with a fixed plate 21, the fixed plate 21 is connected to the ground through anchor bolts, the lower end of the lower upright 11 is connected with the fixed plate 21 through a fourth flange 22, a fourth bearing seat is arranged in the fourth flange 22, a deep groove ball shaft is arranged in the fourth bearing seat, the lower end of the lower upright 11 is connected to the fourth flange 22 through the deep groove ball shaft, the maximum area of the floor slab is 20M 2, and the maximum bearing capacity of the single-layer floor slab is 2.5T.
When the upper floor 9 and the lower floor 18 are stopped at the middle height position, the driving motor 26 is started to drive the upper screw rod 2 to rotate, the upper screw rod 2 drives the lower screw rod 12 to rotate, and the rotation directions of the upper screw rod 2 and the lower screw rod 12 are opposite, so that the upper screw nut 7 on the upper screw rod 2 moves upwards when the driving motor 26 rotates forwards, the lower screw nut 16 on the lower screw rod 12 moves downwards to drive the upper floor 9 to move upwards, the lower floor 18 moves downwards, when the upper floor 9 moves to the position of the in-place detection switch 23, the in-place detection switch 23 acts on the driving motor 26, the driving motor 26 stops, and the required three-layer space is converted; when the three-layer space is not needed, the driving motor 26 rotates reversely to drive the upper screw nut 7 on the upper screw rod 2 to move downwards, the lower screw nut 16 on the lower screw rod 12 moves upwards to drive the upper floor 9 to move downwards, the lower floor 18 moves upwards, the limit switch 24 acts on the driving motor 24 when the lower floor 18 moves to the position of the limit switch 24, and the driving motor 24 stops moving.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (9)
1. The utility model provides a double-deck removal floor drive elevating system which characterized in that: the floor slab comprises four lower upright posts (11) arranged along the vertical direction, connecting lines among the four lower upright posts (11) are of a rectangular structure, a lower screw rod (12) is arranged in each lower upright post (11) along the vertical direction, a lower screw nut (16) is connected to each lower screw rod (12) through a lower screw nut seat (15), a lower supporting part (17) is arranged on each lower screw nut seat (15), the lower supporting part (17) extends out of the lower upright posts (11), and a lower floor slab (18) is connected to the four lower supporting parts (17);
The upper end of the lower screw rod (12) is connected with an upper screw rod (2) through a coupler (5), the upper screw rod (2) and the lower screw rod (12) are opposite in rotating direction, an upper upright post (1) is sleeved on the upper screw rod (2), the lower end of the upper upright post (1) is fixedly connected with a middle supporting seat (10), the middle supporting seat (10) is fixed on a middle beam of a building, the lower end of the upper screw rod (2) penetrates through the middle supporting seat (10) to be connected with the lower screw rod (12), an upper screw nut (7) is connected onto the upper screw rod (2) through an upper screw nut seat (61), an upper supporting part (8) is arranged on the upper screw nut (7), the upper supporting part (8) extends out of the upper upright post (1), and upper floor boards (9) are connected onto the four upper supporting parts (8);
The upper end of the upper upright post (1) is further connected with a rectangular frame (3), the upper end of the upper screw rod (2) penetrates through the lower bottom surface of the rectangular frame (3) and then extends into the rectangular frame (3), the adjacent rectangular frames (3) are connected through a connecting rod (29), at least one of the outer sides of the rectangular frames (3) is further connected with a motor support (25), and a driving motor (26) is connected onto the motor support (25).
2. The double-deck moving floor driving elevating mechanism according to claim 1, wherein: the upper end of the upper screw rod (2) is connected with a synchronizer (4) through a coupler (5), the coupler (5) is located in the rectangular frame (3), the synchronizer (4) is connected to the upper top surface of the rectangular frame (3), and the synchronizer (4) is connected with a connecting shaft (27) through an elastic sheet coupler (28).
3. The double-deck moving floor driving elevating mechanism according to claim 1 or 2, wherein: and an in-place detection switch (23) is arranged at the limit position of the upper upright post (1) at which the upper floor (9) moves, and the in-place detection switch (23) is electrically connected with the driving motor (26).
4. The double-deck moving floor driving elevating mechanism according to claim 3, wherein: and a limit switch (24) is arranged on the lower upright post (11) at the limit position of the movement of the lower floor slab (18), and the limit switch (24) is electrically connected with the driving motor (26).
5. The double-deck moving floor driving elevating mechanism according to claim 1 or 2, wherein: the middle supporting seat (10) is integrally of an L-shaped structure, the lower end of the upper upright post (1) is connected with the horizontal plane of the middle supporting seat (10), and the vertical plane of the middle supporting seat (10) is fixed on a middle beam of a building.
6. The double-deck moving floor driving elevating mechanism according to claim 5, wherein: the lower portion of the middle supporting seat (10) is connected with a rectangular frame (3), the lower end of the upper screw rod (2) sequentially penetrates through the horizontal plane of the middle supporting seat (10) and the upper top surface of the rectangular frame (3), the upper end of the lower screw rod (12) penetrates through the lower bottom surface of the rectangular frame (3) and then is connected with the upper screw rod (2) through the coupler (5), and the coupler (5) is located in the rectangular frame (3).
7. The double-deck moving floor driving elevating mechanism according to claim 6, wherein: the lower end of the lower upright post (11) is connected with a fixing plate (21), and the fixing plate (21) is connected to the ground through a foundation bolt.
8. The double-deck moving floor driving elevating mechanism according to claim 7, wherein: the upper end of the upper upright post (1) is connected with the lower bottom surface of the rectangular frame (3) through a first flange plate (6), a first bearing seat is arranged in the first flange plate (6), a thrust bearing and a deep groove ball bearing are arranged in the first bearing seat, and the upper end part of the upper screw rod (2) is connected to the first flange plate (6) through the thrust bearing and the deep groove ball bearing;
The lower end of the upper upright post (1) is connected with the middle supporting seat (10) through a second flange plate (14), a second bearing seat is arranged in the second flange plate (14), a deep groove ball bearing is arranged in the second bearing seat, and the lower end part of the upper screw rod (2) is connected with the second flange plate (14) through the deep groove ball bearing.
9. the double-deck moving floor driving elevating mechanism according to claim 7 or 8, wherein: the upper end of the lower upright post (11) is connected with the lower bottom surface of the rectangular frame (3) through a third flange plate (13), a third bearing seat is arranged in the third flange plate (13), a thrust bearing and a deep groove ball bearing are arranged in the third bearing seat, and the upper end part of the lower screw rod (12) is connected to the third flange plate (13) through the thrust bearing and the deep groove ball bearing;
The lower end of the lower upright post (11) is connected with the fixed plate (21) through a fourth flange plate (22), a fourth bearing seat is arranged in the fourth flange plate (22), a deep groove ball shaft is arranged in the fourth bearing seat, and the lower end part of the lower upright post (11) is connected with the fourth flange plate (22) through the deep groove ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920167058.3U CN209760550U (en) | 2019-01-30 | 2019-01-30 | Double-layer movable floor driving lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920167058.3U CN209760550U (en) | 2019-01-30 | 2019-01-30 | Double-layer movable floor driving lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209760550U true CN209760550U (en) | 2019-12-10 |
Family
ID=68751073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920167058.3U Expired - Fee Related CN209760550U (en) | 2019-01-30 | 2019-01-30 | Double-layer movable floor driving lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209760550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881835A (en) * | 2019-01-30 | 2019-06-14 | 长春合海智能家居开发有限公司 | Double-layer intelligent goes up and down floor |
-
2019
- 2019-01-30 CN CN201920167058.3U patent/CN209760550U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881835A (en) * | 2019-01-30 | 2019-06-14 | 长春合海智能家居开发有限公司 | Double-layer intelligent goes up and down floor |
| CN109881835B (en) * | 2019-01-30 | 2023-10-03 | 长春合海智能家居开发有限公司 | Double-deck intelligent lifting floor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201223 Address after: Room 531, block D, 6 / F, building 1, No. 1000 zhenchen Road, Baoshan District, Shanghai 201900 Patentee after: Shanghai Hehai Baibian smart home Co.,Ltd. Address before: No. 813, Dongying Road, Jingkai District, Changchun City, Jilin Province Patentee before: CHANGCHUN HEHAI INTELLIGENT HOME DEVELOPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20220130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |