CN111053369A - Support equipment of writing eyeshield - Google Patents
Support equipment of writing eyeshield Download PDFInfo
- Publication number
- CN111053369A CN111053369A CN201911395188.3A CN201911395188A CN111053369A CN 111053369 A CN111053369 A CN 111053369A CN 201911395188 A CN201911395188 A CN 201911395188A CN 111053369 A CN111053369 A CN 111053369A
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- Prior art keywords
- groove
- control
- rod
- fixed
- hole
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Classifications
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- 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
- A47B41/00—School desks or tables
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- 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
- A47B13/00—Details of tables or desks
-
- 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
- A47B13/00—Details of tables or desks
- A47B13/08—Table tops; Rims therefor
- A47B13/12—Transparent tops, e.g. with lighting means under the table top
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- 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
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/007—Tables or desks for office equipment, e.g. typewriters, keyboards with under-desk displays, e.g. displays being viewable through a transparent working surface of the table or desk
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- 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
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/02—Tables or desks for office equipment, e.g. typewriters, keyboards with vertical adjustable parts
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- 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
- A47B9/16—Tables with tops of variable height with means for, or adapted for, inclining the legs of the table for varying the height of the top, e.g. with adjustable cross legs
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C16/00—Stand-alone rests or supports for feet, legs, arms, back or head
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention belongs to the field of educational appliances, and particularly relates to equipment for supporting writing and eye protection, which aims at solving the problems that an existing desk does not have an eye protection function, and students are easy to cause eye fatigue and visual deterioration during writing. The desk has the advantages of reasonable structure and convenient operation, has the function of protecting eyes, can control the eye using distance of students, does not cause eye fatigue when the students write, and can effectively protect the eyesight.
Description
Technical Field
The invention relates to the technical field of educational appliances, in particular to equipment supporting writing and eye protection.
Background
The current classroom learning generally refers to that students sit in front of desks and use paper textbooks and pens to record on the textbooks for learning, the desks are generally provided with a drawer under desktops, then the students put books into the drawer, the desktops are used for writing, the function is single, and the use of the paper textbooks can also generate huge resource waste, along with the development of science and technology, the meaning of protecting environment and saving resources of people is continuously enhanced, the current classroom learning gradually tends to an electronic learning mode, namely, the situation that the students sit in front of desks and use pens to record on the textbooks for learning is changed, and electronic desks are used for replacing the paper textbooks and old desks;
however, the existing desk does not have the function of eye protection, and students are easy to cause eye fatigue and vision loss when writing.
Disclosure of Invention
The invention aims to solve the problems that a desk in the prior art does not have an eye protection function, and students are easy to cause eye fatigue and visual deterioration during writing, and provides equipment for supporting writing and eye protection.
In order to achieve the purpose, the invention adopts the following technical scheme:
an equipment for supporting writing eye protection comprises a base, wherein a table plate is arranged at the top of the base, fixed seats are fixedly arranged on one sides, close to each other, of the table plate and the base, connecting arms are rotatably arranged on the two fixed seats respectively, the two connecting arms are rotatably connected with each other, fixed grooves are formed in one sides, close to each other, of the base and the table plate, moving seats are slidably arranged in the two fixed grooves respectively, one ends of the connecting arms are rotatably arranged on the corresponding moving seats, connecting grooves are formed in the top of the table plate, protection plates are arranged in the connecting grooves, placing grooves are formed in the inner walls of the bottoms of the connecting grooves, display screens are arranged in the placing grooves, two fixed columns are fixedly arranged on one sides of the table plate, mounting grooves are formed in the top ends of the two fixed columns, moving columns are slidably arranged in the two mounting grooves respectively, the same, the equal fixedly connected with rack in one side of two removal posts all has seted up on the inner wall in one side of two mounting grooves and has rotated the hole, and the dwang is all installed in two rotation holes all rotation, and the equal fixed mounting in one end of two dwangs has the gear, gear and rack toothing.
Preferably, a plurality of spacing grooves have been seted up on the dwang, set up flutedly on the inner wall in rotation hole, and slidable mounting has the stopper in the recess, stopper and spacing groove looks adaptation, and the spacing groove that the stopper roll-off corresponds can cancel the rotation restriction of dwang.
Preferably, the thread groove has been seted up to the one end of stopper, and the screw rod is installed to the thread groove internal thread, and the one end of screw rod is rotated and is installed on one side inner wall of recess, and fixed cover is equipped with the worm wheel on the screw rod, has seted up the through-hole on one side inner wall of recess, and the connecting rod is installed to the through-hole internal rotation, and the worm wheel drives the screw rod that corresponds and rotates, and the screw rod drives the stopper.
Preferably, one end of the connecting rod is fixedly provided with a worm, the worm is meshed with the worm wheel, the other end of the connecting rod is fixedly provided with a rotating disc, the rotating disc is rotatably arranged on one side of the fixed column, the rotating disc drives the corresponding connecting rod to rotate, the connecting rod drives the corresponding worm to rotate, and the worm drives the corresponding worm wheel to rotate.
Preferably, one side of the movable seat is provided with a threaded hole, a screw rod is installed in the threaded hole, a control groove is formed in the inner wall of one side of the fixed groove, one end of the screw rod is rotatably installed on the inner wall of one side of the control groove, a first bevel gear is fixedly sleeved on the screw rod and drives the screw rod to rotate, and the screw rod drives the movable seat to move.
Preferably, a control hole is formed in the inner wall of the top of the control groove, a control rod is rotatably mounted in the control hole, a second bevel gear is fixedly connected to the bottom end of the control rod and meshed with the first bevel gear, a control panel is fixedly mounted at the top end of the control rod and rotatably mounted at the top of the base, the control rod drives the second bevel gear to rotate, and the second bevel gear drives the first bevel gear to rotate.
Preferably, the quad slit has been seted up to one side of removing the seat, and slidable mounting has a square pole in the quad slit, and the both ends of square pole are fixed mounting respectively on the both sides inner wall of fixed slot, and the square pole slides in the quad slit passively when removing the seat and removing, can stably remove the position when the seat removes.
Preferably, a rotating groove is formed in one side of the moving seat, the connecting arm is rotatably installed in the rotating groove, and the moving seat rotates in the rotating groove and can stably move the position of the moving seat during rotation.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the scheme, the blue light of the display screen can be shielded through the protection plate, the visual force can be protected for a user, the control disc is rotated, the control rod drives the second bevel gear to rotate, the second bevel gear drives the first bevel gear to rotate, the screw rod drives the movable seat to move, the movable seat moves in the fixed groove, the movable seat drives the connecting arms to move, the two connecting arms drive the table plate to move, and the use height of the table plate can be adjusted;
(2) according to the scheme, the two rotating discs are rotated, the rotating discs drive the corresponding connecting rods to rotate, the connecting rods drive the corresponding worms to rotate, the worm wheels drive the corresponding screw rods to rotate, the screw rods drive the corresponding limiting blocks to move, the rotation limit of the rotating rods can be cancelled, the connecting plates are moved, and the moving columns drive the racks to move;
(3) according to the scheme, the gear is driven by the rack to rotate, the connecting plate drives the adjusting pillow to move, so that the use height of the adjusting pillow can be adjusted, the observation distance between eyes and the table plate can be effectively controlled, the rotating disc is reversely rotated, and the limiting blocks slide into the corresponding limiting grooves, so that the position of the connecting plate can be fixed;
the desk has the advantages of reasonable structure and convenient operation, has the function of protecting eyes, can control the eye using distance of students, does not cause eye fatigue when the students write, and can effectively protect the eyesight.
Drawings
FIG. 1 is a schematic view of a front view structure according to the present invention;
FIG. 2 is a schematic structural diagram of a fixed column, a movable column and a connecting plate according to the present invention;
FIG. 3 is a schematic view of part A of the structure proposed by the present invention;
FIG. 4 is a schematic structural diagram of part B according to the present invention;
fig. 5 is a schematic structural diagram of the movable base and the connecting arm according to the present invention.
In the figure: 1. a base; 2. a table plate; 3. a fixed seat; 4. a connecting arm; 5. fixing grooves; 6. a movable seat; 7. a protection plate; 8. a display screen; 9. fixing a column; 10. mounting grooves; 11. moving the column; 12. a connecting plate; 13. adjusting the pillow; 14. a rack; 15. rotating the rod; 16. a limiting groove; 17. a groove; 18. a limiting block; 19. a worm gear; 20. rotating the disc; 21. a worm; 22. a gear; 23. a screw rod; 24. a control slot; 25. a first bevel gear; 26. a control lever; 27. a second bevel gear; 28. a control panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, an apparatus for supporting eye protection during writing comprises a base 1, a table 2 is arranged on the top of the base 1, fixed seats 3 are fixedly installed on the mutually adjacent sides of the table 2 and the base 1, connecting arms 4 are rotatably installed on the two fixed seats 3, the two connecting arms 4 are rotatably connected with each other, fixed grooves 5 are respectively formed on the mutually adjacent sides of the base 1 and the table 2, moving seats 6 are slidably installed in the two fixed grooves 5, one end of each connecting arm 4 is rotatably installed on the corresponding moving seat 6, a connecting groove is formed in the top of the table 2, a protection plate 7 is arranged in the connecting groove, a placement groove is formed in the inner wall of the bottom of the connecting groove, a display screen 8 is placed in the placement groove, two fixed columns 9 are fixedly installed on one side of the table 2, mounting grooves 10 are formed in the top ends of the two fixed columns 9, moving columns 11, two top fixed mounting that remove post 11 have same connecting plate 12, and the top fixed mounting of connecting plate 12 has adjusting pillow 13, and two equal fixedly connected with racks 14 in one side that remove post 11 have all been seted up on one side inner wall of two mounting grooves 10 and have been rotated the hole, and two rotate downthehole all to rotate and install dwang 15, and the equal fixed mounting of one end of two dwang 15 has gear 22, gear 22 and rack 14 meshing.
In this embodiment, seted up a plurality of spacing grooves 16 on dwang 15, seted up recess 17 on the inner wall in rotation hole, slidable mounting has stopper 18 in recess 17, stopper 18 and 16 looks adaptations of spacing groove, and the spacing groove 16 that stopper 18 roll-off corresponds can cancel the rotation restriction of dwang 15.
In this embodiment, the thread groove has been seted up to the one end of stopper 18, and the screw rod is installed to the thread groove internal thread, and the one end of screw rod is rotated and is installed on one side inner wall of recess 17, and fixed cover is equipped with worm wheel 19 on the screw rod, has seted up the through-hole on one side inner wall of recess 17, and the connecting rod is installed to the through-hole internal rotation, and worm wheel 19 drives the screw rod rotation that corresponds, and the screw rod drives the stopper 18.
In this embodiment, one end fixed mounting of connecting rod has worm 21, and worm 21 and worm wheel 19 mesh, the other end fixed mounting of connecting rod has rolling disc 20, and rolling disc 20 rotates and installs the one side at fixed column 9, and rolling disc 20 drives the connecting rod rotation that corresponds, and the connecting rod drives the rotation of corresponding worm 21, and worm 21 drives the rotation of corresponding worm wheel 19.
In this embodiment, one side of removing seat 6 sets up threaded hole, and the lead screw 23 is installed to the threaded hole internal thread, has seted up control groove 24 on one side inner wall of fixed slot 5, and the one end of lead screw 23 is rotated and is installed on one side inner wall of control groove 24, and the last fixed cover of lead screw 23 is equipped with first bevel gear 25, and first bevel gear 25 drives lead screw 23 and rotates, and lead screw 23 drives and removes seat 6 and remove.
In this embodiment, a control hole is formed in the inner wall of the top of the control groove 24, a control rod 26 is rotatably mounted in the control hole, a second bevel gear 27 is fixedly connected to the bottom end of the control rod 26, the second bevel gear 27 is engaged with the first bevel gear 25, a control panel 28 is fixedly mounted at the top end of the control rod 26, the control panel 28 is rotatably mounted at the top of the base 1, the control rod 26 drives the second bevel gear 27 to rotate, and the second bevel gear 27 drives the first bevel gear 25 to rotate.
In this embodiment, the quad slit has been seted up to one side of removing seat 6, and slidable mounting has square pole in the quad slit, and the both ends of square pole are fixed mounting respectively on the both sides inner wall of fixed slot 5, and square pole slides in the quad slit passively when removing seat 6 and removing, can stably remove the position when seat 6 removes.
In this embodiment, a rotation groove has been seted up to one side of removing seat 6, and linking arm 4 rotates to be installed at the rotation inslot, removes seat 6 and rotates the inslot rotation in the rotation, position when can stably removing seat 6 and rotate.
In this embodiment, the blue light of the display screen 8 can be shielded by the protection plate 7, which can protect the vision of the user, the control plate 28 is rotated, the control plate 28 drives the control rod 26 to rotate, the control rod 26 drives the second bevel gear 27 to rotate, the second bevel gear 27 drives the first bevel gear 25 to rotate, the first bevel gear 25 drives the screw rod 23 to rotate, the screw rod 23 drives the movable seat 6 to move, the movable seat 6 moves in the fixed slot 5, the movable seat 6 drives the connecting arm 4 to move, the connecting arm 4 rotates on the movable seat 6 and drives the other connecting arm 4 to rotate, the two connecting arms 4 drive the table 2 to move, which can adjust the usage height of the table 2, by rotating the two rotating discs 20, the rotating discs 20 drive the corresponding connecting rods to rotate, the connecting rods drive the corresponding worms 21 to rotate, the worms 21 drive the corresponding worm wheels 19 to rotate, and the worm wheels 19 drive the, the screw rod drives the corresponding limiting block 18 to move, the limiting block 18 slides out of the corresponding limiting groove 16, the rotation limitation of the rotating rod 15 can be cancelled, the connecting plate 12 is moved, the connecting plate 12 drives the two moving columns 11 to move, the moving columns 11 drive the racks 14 to move, the racks 14 drive the gears 22 to rotate, the gears 22 drive the rotating rods 15 to rotate, the connecting plate 12 drives the adjusting pillow 13 to move, the using height of the adjusting pillow 13 can be adjusted, a user can place the head on the adjusting pillow 13 to effectively control the observation distance between eyes and the desk plate 2, the rotating disc 20 is reversed, the rotating disc 20 drives the corresponding limiting block 18 to move, the limiting block 18 slides into the corresponding limiting groove 16, and the position of the connecting plate 12 can be fixed, the desk has reasonable structure and convenient operation, has the function of protecting eyes, can control the eye using distance of students, and can not cause eye fatigue when the students write, can effectively protect eyesight.
In this embodiment, the staff inspects each part, ensures that can use after being errorless.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Claims (8)
1. The device for supporting writing eye protection comprises a base (1) and is characterized in that a table plate (2) is arranged at the top of the base (1), fixed seats (3) are fixedly arranged on one sides, close to each other, of the table plate (2) and the base (1), connecting arms (4) are rotatably arranged on the two fixed seats (3), the two connecting arms (4) are rotatably connected with each other, fixed grooves (5) are respectively formed in one sides, close to each other, of the base (1) and the table plate (2), moving seats (6) are slidably arranged in the two fixed grooves (5), one end of each connecting arm (4) is rotatably arranged on the corresponding moving seat (6), a connecting groove is formed in the top of the table plate (2), a protection plate (7) is arranged in the connecting groove, a placing groove is formed in the inner wall of the bottom of the connecting groove, a display screen (8) is arranged in the placing groove, two fixing columns (9) are fixedly arranged, mounting groove (10) have all been seted up on the top of two fixed columns (9), equal slidable mounting has removal post (11) in two mounting grooves (10), the top fixed mounting of two removal posts (11) has same connecting plate (12), the top fixed mounting of connecting plate (12) has adjusting pillow (13), two equal fixedly connected with racks (14) in one side of removing post (11), the rotation hole has all been seted up on one side inner wall of two mounting grooves (10), all rotate in two rotation holes and install dwang (15), the equal fixed mounting of one end of two dwang (15) has gear (22), gear (22) and rack (14) meshing.
2. The device for supporting writing and eye protection according to claim 1, wherein the rotating rod (15) is provided with a plurality of limiting grooves (16), the inner wall of the rotating hole is provided with a groove (17), a limiting block (18) is slidably mounted in the groove (17), and the limiting block (18) is matched with the limiting grooves (16).
3. The device for supporting writing and eye protection according to claim 2, wherein one end of the limiting block (18) is provided with a threaded groove, a screw rod is internally threaded in the threaded groove, one end of the screw rod is rotatably installed on one side inner wall of the groove (17), a worm wheel (19) is fixedly sleeved on the screw rod, a through hole is formed in one side inner wall of the groove (17), and the connecting rod is rotatably installed in the through hole.
4. An eye-protecting device for supporting writing according to claim 2, wherein one end of the connecting rod is fixedly provided with a worm (21), the worm (21) is engaged with the worm wheel (19), the other end of the connecting rod is fixedly provided with a rotating disc (20), and the rotating disc (20) is rotatably arranged on one side of the fixed column (9).
5. The device for supporting writing and eye protection according to claim 1, wherein a threaded hole is formed in one side of the movable base (6), a screw rod (23) is internally threaded in the threaded hole, a control groove (24) is formed in one side of the inner wall of the fixed groove (5), one end of the screw rod (23) is rotatably installed on one side of the inner wall of the control groove (24), and a first bevel gear (25) is fixedly sleeved on the screw rod (23).
6. The device for supporting writing eye protection according to claim 5, wherein a control hole is formed in the inner wall of the top of the control groove (24), a control rod (26) is rotatably mounted in the control hole, a second bevel gear (27) is fixedly connected to the bottom end of the control rod (26), the second bevel gear (27) is meshed with the first bevel gear (25), a control disc (28) is fixedly mounted at the top end of the control rod (26), and the control disc (28) is rotatably mounted at the top of the base (1).
7. The device for supporting writing and eye protection according to claim 1, wherein a square hole is formed in one side of the movable seat (6), a square rod is slidably mounted in the square hole, and two ends of the square rod are respectively and fixedly mounted on the inner walls of two sides of the fixed groove (5).
8. An eye-protecting device for supporting writing according to claim 1, wherein a rotating groove is formed on one side of the movable base (6), and the connecting arm (4) is rotatably installed in the rotating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395188.3A CN111053369A (en) | 2019-12-30 | 2019-12-30 | Support equipment of writing eyeshield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395188.3A CN111053369A (en) | 2019-12-30 | 2019-12-30 | Support equipment of writing eyeshield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111053369A true CN111053369A (en) | 2020-04-24 |
Family
ID=70304664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911395188.3A Pending CN111053369A (en) | 2019-12-30 | 2019-12-30 | Support equipment of writing eyeshield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111053369A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112515772A (en) * | 2020-11-30 | 2021-03-19 | 新乡医学院第一附属医院 | Urological urinary calculus stone removing auxiliary tool |
| CN112914242A (en) * | 2021-03-01 | 2021-06-08 | 谢美凤 | Desk and chair convenient to adjust |
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| CN204048665U (en) * | 2014-09-15 | 2014-12-31 | 成都大学 | A kind of multifunctional desk |
| CN206166222U (en) * | 2016-08-04 | 2017-05-17 | 张雅杰 | Desk with adjustable height |
| CN109315924A (en) * | 2018-10-24 | 2019-02-12 | 林骏伟 | A kind of height and the self-adjustable intelligent table of angle |
| CN209235242U (en) * | 2018-11-20 | 2019-08-13 | 梅州市瓦良格教育科技有限公司 | A kind of desk convenient for guidance student storage and habit of preparing lessons |
| CN209694449U (en) * | 2018-11-19 | 2019-11-29 | 怀玉杰 | A kind of life study myopia-preventing desk |
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2019
- 2019-12-30 CN CN201911395188.3A patent/CN111053369A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004089327A (en) * | 2002-08-30 | 2004-03-25 | Topcon Corp | Optical bench for mounting optometer |
| US20120187727A1 (en) * | 2009-08-12 | 2012-07-26 | Wu Guodou | Bionic desk and chair for correcting posture |
| CN204048665U (en) * | 2014-09-15 | 2014-12-31 | 成都大学 | A kind of multifunctional desk |
| CN206166222U (en) * | 2016-08-04 | 2017-05-17 | 张雅杰 | Desk with adjustable height |
| CN109315924A (en) * | 2018-10-24 | 2019-02-12 | 林骏伟 | A kind of height and the self-adjustable intelligent table of angle |
| CN209694449U (en) * | 2018-11-19 | 2019-11-29 | 怀玉杰 | A kind of life study myopia-preventing desk |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112515772A (en) * | 2020-11-30 | 2021-03-19 | 新乡医学院第一附属医院 | Urological urinary calculus stone removing auxiliary tool |
| CN112914242A (en) * | 2021-03-01 | 2021-06-08 | 谢美凤 | Desk and chair convenient to adjust |
| CN112914242B (en) * | 2021-03-01 | 2022-07-19 | 浙江树人工贸有限公司 | Desk and chair convenient to adjust |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200424 |
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| RJ01 | Rejection of invention patent application after publication |