CN112006466A - Student apartment bed convenient to write - Google Patents
Student apartment bed convenient to write Download PDFInfo
- Publication number
- CN112006466A CN112006466A CN202010901553.XA CN202010901553A CN112006466A CN 112006466 A CN112006466 A CN 112006466A CN 202010901553 A CN202010901553 A CN 202010901553A CN 112006466 A CN112006466 A CN 112006466A
- Authority
- CN
- China
- Prior art keywords
- bed body
- bed
- sides
- plate
- bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 238000000034 method Methods 0.000 description 2
- 206010057040 Temperature intolerance Diseases 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C19/00—Bedsteads
- A47C19/22—Combinations of bedsteads with other furniture or with accessories, e.g. with bedside cabinets
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B23/00—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else
- A47B23/02—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else releasably mounted on the bedstead or another item of furniture
- A47B23/025—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else releasably mounted on the bedstead or another item of furniture mounted on the bedstead
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B3/00—Folding or stowable tables
- A47B3/08—Folding or stowable tables with legs pivoted to top or underframe
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/14—Tables with tops of variable height with pins coacting with holes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
- A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
- A47C20/046—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by means of a rack-and-pinion or like gearing mechanism
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nursing (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention relates to a student apartment bed, in particular to a student apartment bed convenient for writing. The technical problem to be solved by the invention is as follows: provided is a student apartment bed which can be used for learning on a bed and is convenient for writing. A student apartment bed convenient for writing, comprising: the backrest device is arranged on the bed body; the book moving-out device is arranged on the bed body; the writing device is arranged on the bed body in a sliding manner. The invention is provided with the backrest device, so that students can lean against the backrest when sitting on the bed body for learning, and the students can feel more comfortable during learning; the invention is provided with the book moving-out device, so that students can take data at any time during learning, and the students can learn on the bed more conveniently; the invention is provided with the writing device, can enable students to place books when studying and take notes when studying, has simple operation, can be folded at any time when using up and does not occupy the space on the bed body.
Description
Technical Field
The invention relates to a student apartment bed, in particular to a student apartment bed convenient for writing.
Background
The apartment bed is composed of a bed, a bookcase, a wardrobe, a desk and a ladder rack. Because the bed is a three-dimensional space combination, not only the space is saved, but also the bed is neat and beautiful and is convenient to manage. Many students choose to learn in their dormitories on apartment beds.
Although a common student apartment bed is provided with a desk, the desk is small in space and often occupied by other articles or books, and in winter, many students do not want to get out of the bed because of cold intolerance, and can not conveniently obtain the data to be learned when studying on the bed, and the students can not take notes due to no desk support, so that the learning efficiency is poor.
Therefore, a student apartment bed which can be used for learning on a bed and is convenient for writing needs to be designed.
Disclosure of Invention
In order to overcome the defects that a common student apartment bed has no desk support, can not remember notes, can not conveniently obtain the data to be learned and has poor learning efficiency when in bed learning, the technical problem to be solved is as follows: provided is a student apartment bed which can be used for learning on a bed and is convenient for writing.
The technical scheme of the invention is as follows: a student apartment bed convenient for writing, comprising: the backrest device is arranged on the bed body; the book moving-out device is arranged on the bed body; the writing device is arranged on the bed body in a sliding manner.
In one embodiment, the backrest device comprises: the back plate is rotatably arranged on the bed body; the rocking handle is rotatably arranged on the bed body; the worm is arranged on the rocking handle; the rotating shafts are rotatably arranged on the two sides of the bed body; the worm wheel is arranged on the rotating shaft on one side and meshed with the worm; the screw rod is arranged between the rotating shafts at the two sides, and the threads at the two sides of the screw rod are opposite; the telescopic frame slides and rotates through the nut and is installed on the screw rod, and the telescopic frame rotates and is connected with the back plate in a sliding mode.
In one embodiment, the book removing device includes: the sliding rails are arranged on two sides of the bed body; the placing frame is arranged between the slide rails on the two sides in a sliding manner; the fixed pulleys are arranged on the bed body; the lower part of the front side of the back plate is connected with a stay wire, and the tail end of the stay wire penetrates through the bed body and is connected to the placing frame by winding a fixed pulley; the spring is arranged between the placing frame and the bed body.
In one embodiment, the writing instrument includes: the telescopic plates are arranged on the two sides of the bed body in a sliding manner; the connecting plate is arranged on the expansion plate; the placing plate is rotatably arranged between the connecting plates at the two sides; the first bolt is arranged on the telescopic plate through threads and matched with the jacks.
In one embodiment, the method further comprises the following steps: and the second bolt is mounted on the placing plate through threads and matched with the connecting plate.
In one embodiment, the method further comprises the following steps: the desk is arranged on the bed body; the wardrobe is arranged on the bed body.
1. The invention is provided with the backrest device, so that students can lean against the backrest when sitting on the bed body for learning, and the students can feel more comfortable during learning;
2. the invention is provided with the book moving-out device, so that students can take data at any time during learning, and the students can learn on the bed more conveniently;
3. the invention is provided with the writing device, can enable students to place books when studying and take notes when studying, has simple operation, can be folded at any time when using up and does not occupy the space on the bed body.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the backrest device of the present invention.
Fig. 3 is a schematic perspective view of the book removing device according to the present invention.
Fig. 4 is a partial perspective view of the present invention.
Fig. 5 is a schematic perspective view of the writing instrument of the present invention.
Labeled as: 1. the book reading and writing bed comprises a bed body, 2, a backrest device, 21, a back plate, 22, a rocking handle, 23, a worm, 24, a rotating shaft, 25, a worm wheel, 26, a screw rod, 27, an expansion bracket, 3, a book moving-out device, 31, a sliding rail, 32, a placing frame, 33, a fixed pulley, 34, a pull wire, 35, a spring, 4, a writing device, 41, an expansion plate, 42, a connecting plate, 43, a placing plate, 44, a jack, 45, a first bolt, 5, a second bolt, 6, a desk, 7 and a wardrobe.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present application. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
Example 1
A student apartment bed convenient for writing is shown in figures 1-5 and comprises a bed body 1, a backrest device 2, a book moving-out device 3 and a writing device 4, wherein the backrest device 2 is installed at the left part of the upper side of the bed body 1, the book moving-out device 3 is installed at the left part of the upper side of the bed body 1, and the writing device 4 is installed at the upper side of the bed body 1 in a sliding mode.
When learning on the bed, the backrest device 2 can be manually controlled to operate, then the book removing device 3 is driven to operate, then the writing device 4 is controlled to a proper position, so that the user can lean against the backrest device 2, sit on the bed body 1, take data from the book removing device 3 and learn on the writing device 4.
Example 2
On the basis of embodiment 1, as shown in fig. 1, the backrest device 2 includes a back plate 21, a rocking handle 22, a worm 23, a rotating shaft 24, a worm wheel 25, a screw rod 26 and an expansion bracket 27, the back plate 21 is rotatably installed on the left portion of the upper side of the bed body 1, the rocking handle 22 is rotatably installed on the front side of the bed body 1, the worm 23 is connected to the lower side key of the rocking handle 22, the rotating shaft 24 is rotatably installed on both the front and rear sides of the left portion of the upper side of the bed body 1, the worm wheel 25 is rotatably connected to the front side of the rotating shaft 24, the worm wheel 25 is engaged with the worm 23, the screw rod 26 is rotatably connected between the rotating shafts 24 on both sides, the threads on both sides of the screw rod 26 are opposite, the expansion bracket 27 is rotatably connected to the.
When learning on the bed is desired, the rocking handle 22 is shaken by hand to rotate the worm 23, thereby driving the worm wheel 25 to rotate, thereby rotating the lead screw 26, thereby moving the two sides of the telescopic frame 27 to the middle, thereby rotating the telescopic frame 27 with the middle as the axis, thereby driving the back plate 21 to rotate upwards, when the back plate 21 rotates to a proper height, stopping shaking the rocking handle 22, and after learning is completed, the rocking handle 22 can be shaken reversely to reset the above parts.
Book remove device 3 is including slide rail 31, place frame 32, fixed pulley 33, act as go-between 34 and spring 35, the left and right sides of bed body 1 all has slide rail 31 through the bolt rigid coupling, slidingtype installation is placed frame 32 between the slide rail 31 of both sides, a plurality of fixed pulleys 33 are installed to bed body 1 left side, backplate 21 front side sub-unit connection has act as go-between 34, the 34 tail end of acting as go-between passes bed body 1 and walks around fixed pulley 33 and connect on placing frame 32, it is connected with spring 35 to place between the left side front portion of frame 32 and the rear portion of bed body 1.
Writing device 4 is including expansion plate 41, connecting plate 42, place board 43, first bolt 45, and expansion plate 41 is installed to both sides slidingtype around the upper portion of bed body 1, and connecting plate 42 has all been welded to expansion plate 41's upside, and the rotary type is connected with between connecting plate 42's the upside and places board 43, and at least two jacks 44 have all been opened to expansion plate 41's upside, and expansion plate 41's middle part left side all has first bolt 45 through threaded connection, first bolt 45 and jack 44 cooperation.
When wanting to study in bed, place board 43 with the hand drive and rotate to being parallel with the desktop, then can twist the first bolt 45 of both sides, make first bolt 45 not cooperate with jack 44, and then adjust both sides expansion plate 41, thereby adjust the height of placing board 43, heighten and place the high back of board 43, reverse twist the first bolt 45 of both sides, make first bolt 45 and jack 44 cooperation, thereby fixed expansion plate 41, then drag expansion plate 41, make expansion plate 41 slide on bed body 1, make and place board 43 and move suitable position and study, after accomplishing the study, can promote expansion plate 41 to bed body 1 right side, then twist first bolt 45, make the length reduction of expansion plate 41, then rotatory board 43 of placing, make and place board 43 in bed body 1 right side with vertical state.
And a second bolt 5 is further included, the lower right side of the front part of the placing plate 43 is connected with the second bolt 5 through threads, and the second bolt 5 is matched with the connecting plate 42.
When placing the board 43 and rotating to be parallel with the desktop, can screw up second bolt 5 to make second bolt 5 and connecting plate 42 cooperate, thereby make and place board 43 rigidity no longer rotatory, when will placing the board 43 and reseing, unscrew second bolt 5, make second bolt 5 no longer cooperate with connecting plate 42, then rotatable placing board 43 resets.
Still including desk 6 and wardrobe 7, desk 6 is installed to the middle part downside of the bed body 1, and wardrobe 7 is installed on the right side of the bed body 1.
When a student is at the lower side of the bed body 1, the student can directly study on the desk 6, articles such as clothes and the like can be prevented from being placed in the wardrobe 7, and the space occupied on the desk 6 can be saved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a student's apartment bed convenient to write which characterized in that, including:
the backrest device (2) is arranged on the bed body (1);
the book moving device (3) is arranged on the bed body (1);
the writing device (4) is arranged on the bed body (1) in a sliding way.
2. A student apartment bed facilitating writing according to claim 1, characterised in that the backrest device (2) comprises:
the back plate (21) is rotatably arranged on the bed body (1);
the rocking handle (22) is rotatably arranged on the bed body (1);
a worm (23) mounted on the rocking handle (22);
the rotating shafts (24) are rotatably arranged on two sides of the bed body (1);
a worm wheel (25) mounted on the rotating shaft (24) on one side, the worm wheel (25) meshing with the worm (23);
the screw rod (26) is arranged between the rotating shafts (24) on the two sides, and the threads on the two sides of the screw rod (26) are opposite;
the telescopic frame (27) is arranged on the screw rod (26) in a sliding and rotating mode through a nut, and the telescopic frame (27) is connected with the back plate (21) in a rotating and sliding mode.
3. A student apartment bed facilitating writing according to claim 2, characterised in that the book removal device (3) comprises:
the sliding rails (31) are arranged on two sides of the bed body (1);
the placing frame (32) is arranged between the slide rails (31) on the two sides in a sliding manner;
the fixed pulleys (33), at least two fixed pulleys (33) are arranged on the bed body (1);
the lower part of the front side of the back plate (21) is connected with a pull wire (34), and the tail end of the pull wire (34) passes through the bed body (1) and is connected to the placing frame (32) by bypassing the fixed pulley (33);
the spring (35) is arranged between the placing frame (32) and the bed body (1).
4. A student apartment bed facilitating writing according to claim 3, characterised in that the writing device (4) comprises:
the telescopic plates (41) are arranged on two sides of the bed body (1) in a sliding manner;
a connecting plate (42) mounted on the expansion plate (41);
a placing plate (43) rotatably mounted between the connecting plates (42) at both sides;
the telescopic plate (41) is provided with at least two insertion holes (44), the first bolt (45) is installed on the telescopic plate (41) through threads, and the first bolt (45) is matched with the insertion holes (44).
5. The student apartment bed of claim 4, wherein the bed further comprises: and the second bolt (5) is installed on the placing plate (43) through threads, and the second bolt (5) is matched with the connecting plate (42).
6. A student apartment bed facilitating writing according to claim 5, further comprising:
the desk (6) is arranged on the bed body (1);
the wardrobe (7) is arranged on the bed body (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010901553.XA CN112006466B (en) | 2020-08-31 | 2020-08-31 | Student apartment bed convenient to write |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010901553.XA CN112006466B (en) | 2020-08-31 | 2020-08-31 | Student apartment bed convenient to write |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112006466A true CN112006466A (en) | 2020-12-01 |
CN112006466B CN112006466B (en) | 2022-04-01 |
Family
ID=73516812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010901553.XA Expired - Fee Related CN112006466B (en) | 2020-08-31 | 2020-08-31 | Student apartment bed convenient to write |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112006466B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112568644A (en) * | 2020-12-28 | 2021-03-30 | 余文成 | Desk retractable student bed special for students |
CN113425117A (en) * | 2021-07-20 | 2021-09-24 | 江西智慧星实业有限公司 | Foldable student apartment bed convenient to accomodate books |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2363680B2 (en) * | 1973-12-21 | 1975-11-27 | Joh. Stiegelmeyer & Co Gmbh, 4900 Herford | Sick bed with an adjusting device assigned to the backrest |
CN203646857U (en) * | 2014-01-01 | 2014-06-18 | 浙江海洋学院 | Adjustable backrest device for student bed |
CN103989349A (en) * | 2014-06-06 | 2014-08-20 | 福州大学 | Novel student bed |
CN204764492U (en) * | 2015-05-28 | 2015-11-18 | 谢水玲 | Back device of student's bed |
CN204908695U (en) * | 2015-08-11 | 2015-12-30 | 耿秋芝 | Student is with adjustable bed of back type |
CN205410522U (en) * | 2016-02-23 | 2016-08-03 | 鹰潭宝泰工贸有限公司 | Bed for student |
CN106235700A (en) * | 2016-08-28 | 2016-12-21 | 中原工学院 | A kind of Multifunctional combined furniture |
CN206659545U (en) * | 2016-12-23 | 2017-11-24 | 江西瑞发校具有限公司 | One kind is easy to write study student dormitory bed |
CN108013602A (en) * | 2017-11-21 | 2018-05-11 | 郑州游爱网络技术有限公司 | It is a kind of can automatic spring books desktop bookshelf |
CN208658396U (en) * | 2018-01-22 | 2019-03-29 | 东南大学 | Sliding article-storage device for bed-table composite furniture |
CN110897416A (en) * | 2019-12-19 | 2020-03-24 | 江西省润华教育装备集团有限公司 | Multifunctional apartment bed |
CN110946432A (en) * | 2019-12-06 | 2020-04-03 | 江西宝顺实业有限公司 | Student apartment bed convenient for placing books |
CN111329230A (en) * | 2018-12-18 | 2020-06-26 | 徐州泽翰家具有限公司 | Novel lazy people's table of big space folded cascade |
-
2020
- 2020-08-31 CN CN202010901553.XA patent/CN112006466B/en not_active Expired - Fee Related
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2363680B2 (en) * | 1973-12-21 | 1975-11-27 | Joh. Stiegelmeyer & Co Gmbh, 4900 Herford | Sick bed with an adjusting device assigned to the backrest |
CN203646857U (en) * | 2014-01-01 | 2014-06-18 | 浙江海洋学院 | Adjustable backrest device for student bed |
CN103989349A (en) * | 2014-06-06 | 2014-08-20 | 福州大学 | Novel student bed |
CN204764492U (en) * | 2015-05-28 | 2015-11-18 | 谢水玲 | Back device of student's bed |
CN204908695U (en) * | 2015-08-11 | 2015-12-30 | 耿秋芝 | Student is with adjustable bed of back type |
CN205410522U (en) * | 2016-02-23 | 2016-08-03 | 鹰潭宝泰工贸有限公司 | Bed for student |
CN106235700A (en) * | 2016-08-28 | 2016-12-21 | 中原工学院 | A kind of Multifunctional combined furniture |
CN206659545U (en) * | 2016-12-23 | 2017-11-24 | 江西瑞发校具有限公司 | One kind is easy to write study student dormitory bed |
CN108013602A (en) * | 2017-11-21 | 2018-05-11 | 郑州游爱网络技术有限公司 | It is a kind of can automatic spring books desktop bookshelf |
CN208658396U (en) * | 2018-01-22 | 2019-03-29 | 东南大学 | Sliding article-storage device for bed-table composite furniture |
CN111329230A (en) * | 2018-12-18 | 2020-06-26 | 徐州泽翰家具有限公司 | Novel lazy people's table of big space folded cascade |
CN110946432A (en) * | 2019-12-06 | 2020-04-03 | 江西宝顺实业有限公司 | Student apartment bed convenient for placing books |
CN110897416A (en) * | 2019-12-19 | 2020-03-24 | 江西省润华教育装备集团有限公司 | Multifunctional apartment bed |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112568644A (en) * | 2020-12-28 | 2021-03-30 | 余文成 | Desk retractable student bed special for students |
CN113425117A (en) * | 2021-07-20 | 2021-09-24 | 江西智慧星实业有限公司 | Foldable student apartment bed convenient to accomodate books |
Also Published As
Publication number | Publication date |
---|---|
CN112006466B (en) | 2022-04-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112006466B (en) | Student apartment bed convenient to write | |
CN112107159B (en) | Integrated folding student desk and chair | |
CN212185706U (en) | Special student learning table with telescopic function | |
CN111955914A (en) | Student is convenient for internet session and uses desk | |
CN112704354B (en) | Adjustable kindergarten bed that can vertical lift was accomodate | |
CN202604140U (en) | Multifunctional desk | |
CN112419841A (en) | Economic management is analytical equipment for simulation teaching | |
CN108969279B (en) | Special injection chair for hospital isolation room | |
CN112971439B (en) | Apartment bed convenient for student apartment to self-study | |
CN112120439B (en) | Make things convenient for wood apartment bed of student's study | |
CN113475894B (en) | Double-deck student apartment bed that can prevent falling | |
CN200980489Y (en) | Novel bed | |
CN207613413U (en) | New reading-rack | |
CN207506218U (en) | A kind of portable collected books drawer | |
CN207428804U (en) | A kind of folding bed desk and multi-functional dormitory bed | |
CN215685703U (en) | Desk capable of effectively preventing myopia of students | |
CN220756886U (en) | Folding student education desk | |
CN220675492U (en) | Multifunctional desk for teaching | |
CN218073982U (en) | Music book support is folded to portable accordion | |
CN214855478U (en) | Domestic student writes homework and uses desk more functionally | |
CN215649811U (en) | Portable reading bookshelf is used in primary school's chinese teaching | |
CN214548053U (en) | Angle-adjustable reading rack for Chinese teaching | |
CN216053359U (en) | Multilingual display screen is used in english hybrid teaching | |
CN215153409U (en) | Human resource management teaching device | |
CN215190090U (en) | Be used for energy-concerving and environment-protective multi-functional desk |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220401 |