CN205167977U - Take blackboard of basin - Google Patents
Take blackboard of basin Download PDFInfo
- Publication number
- CN205167977U CN205167977U CN201520806652.4U CN201520806652U CN205167977U CN 205167977 U CN205167977 U CN 205167977U CN 201520806652 U CN201520806652 U CN 201520806652U CN 205167977 U CN205167977 U CN 205167977U
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- CN
- China
- Prior art keywords
- blackboard
- blackboard eraser
- aqua storage
- storage tank
- tank
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a take blackboard of basin relates to clipboard technical field. The utility model discloses a blackboard, blackboard eraser, blackboard eraser cloth, with the fixed rectangular shape bilge pit that links to each other of blackboard lower frame, the outside or the bottom of rectangular shape bilge pit still are equipped with receiver, blackboard eraser cleaning water tank and the aqua storage tank that holds blackboard eraser cloth. The utility model discloses the collection is added water, washing, pressurized -water, storage are as an organic whole, and simple structure is compact, convenient to use, and chalk flying dust in the time of can avoiding cleaning the blackboard reduces the injury to teachers and students are healthy.
Description
Technical field
The utility model relates to clipboard technical field, especially a kind of blackboard with tank.
Background technology
Inside teaching equipment, the common blackboard eraser wiping of blackboard can cause chalk dust to fly upward, and has had a strong impact on the healthy of Faculty and Students; The problem solving chalk flying dust is extremely urgent.Although there is now wet rubbing blackboard, can solve the problem of chalk dust, its complex structure, uses inconvenience, and poor operability affects result of use.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of blackboard with tank, and collection adds water, cleans, setting-out, be stored as one, simple and compact for structure, easy to use, can avoid chalk flying dust during blackboard wiping, reduce the injury to teachers and students' health.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of blackboard with tank, comprise blackboard, blackboard eraser, blackboard eraser cloth, the strip sump that is fixedly linked with blackboard lower frame, the outside of described strip sump or bottom are also provided with the receiver, blackboard eraser rinse bath and the aqua storage tank that hold blackboard eraser cloth.
Further technical scheme, the length of described aqua storage tank and the length of blackboard lower frame isometric, and the outside of adjacent sump, receiver is fixed on below aqua storage tank one end, blackboard eraser rinse bath is positioned at the other end of aqua storage tank and is positioned over aqua storage tank, and the two sides of blackboard eraser rinse bath are provided with the limbers be communicated with aqua storage tank.
Further technical scheme, also be provided with blackboard eraser water squeezing groove and blackboard eraser clean water tank, blackboard eraser rinse bath, blackboard eraser water squeezing groove and blackboard eraser clean water tank are all positioned in aqua storage tank, and can take out, in blackboard eraser water squeezing groove, suspension has the sluicing interlayer with spilled water hole, leave gap between the bottom land of blackboard eraser clean water tank and the bottom land of aqua storage tank, the bottom land of blackboard eraser clean water tank is provided with some limbers.
Further technical scheme, described aqua storage tank is provided with cover plate, is on the cover board also provided with and along the push-and-pull shutter of cover plate push-and-pull, can passes push-and-pull shutter along about cover plate, block on blackboard eraser rinse bath, blackboard eraser water squeezing groove and blackboard eraser clean water tank.
Further technical scheme, is also provided with dust sewage receiving bottle, and dust sewage receiving bottle is detachable to be fixed on below strip sump, and the bottleneck of dust sewage receiving bottle is communicated with strip sump.
Further technical scheme, the length of described aqua storage tank and the length of blackboard lower frame isometric, and the outside of adjacent sump, water-stop sheet is provided with in aqua storage tank, water-stop sheet is divided into two regions, left and right aqua storage tank, right district is the storage area storing water purification, left district is operating space, receiver, blackboard eraser rinse bath, blackboard eraser water squeezing groove is positioned over operating space, blackboard eraser clean water tank is positioned over storage area, the notch of storage area is provided with cover plate, on the cover board also being provided with can along the push-and-pull shutter of cover plate push-and-pull, push-and-pull shutter is passed along about cover plate, block at receiver, blackboard eraser rinse bath, above blackboard eraser water squeezing groove and blackboard eraser clean water tank.
Further technical scheme, described receiver is drawing and pulling type.
Further technical scheme, also comprises blowing device, comprises blower fan and blower, assembling is in one end of blackboard upper ledge, blower is installed fixing along blackboard upper ledge, and blower is communicated with the air port of blower fan, blower downward some air nozzles are set.
The beneficial effect adopting technique scheme to produce is:
1, the utility model collection adds water, cleans, setting-out, is stored as one, simple and compact for structure, easy to use;
2, one end of tank is operating space, the other end is equipped with receiver, multiple blackboard eraser cloth can be deposited in receiver, can change at any time, easy to use, tank is provided with cover plate, push-and-pull shutter is unified to block to blackboard eraser rinse bath, blackboard eraser water squeezing groove and blackboard eraser clean water tank, anti-sealing evaporation, also avoids dust to fall into the water, plays the effect of attractive, decorative simultaneously;
3, blackboard lower frame is equipped with dust sewage receiving bottle, has little water flow into lower frame when using blackboard eraser to carry out wiping to blackboard, and through flowing in dust sewage receiving bottle, receiving, avoid sewage arbitrarily to flow, contaminated environment to dust, sewage etc.; Dust sewage receiving bottle can be dismantled, and be convenient to sewage to pour out, neat and tidy environmental protection is attractive in appearance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1;
Fig. 3 is the partial enlarged drawing at B place in Fig. 1;
Fig. 4 is the partial enlarged drawing at C place in Fig. 1;
Fig. 5 is the structural representation of the utility model section;
In figure: 1, blackboard lower frame; 2, aqua storage tank; 3, receiver; 4, dust sewage receiving bottle; 5, blackboard eraser rinse bath; 6, blackboard eraser water squeezing groove; 7, sluicing interlayer; 8, blackboard eraser clean water tank; 9, blackboard eraser; 10, push-and-pull shutter; 11, cover plate; 12, push-and-pull handle hole; 13, sump.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Design concept of the present utility model is that collection adds water, cleaning, the water removed in blackboard eraser is integrated, should ensure before using that aqua storage tank 2 water yield meets the demands, blackboard eraser should be placed in blackboard eraser clean water tank 8, ensure that the blackboard eraser moment keeps wet, meet wet rubbing requirement, when using blackboard eraser to carry out wiping to blackboard, first blackboard eraser is extruded unnecessary water in blackboard eraser water squeezing groove 6, in order to avoid the dilutional hyponatremia stored in blackboard eraser, however, when blackboard wiping, still have little water and flow into blackboard lower frame 1 along blackboard, arbitrarily flow along wall for avoiding the sewage with dust, contaminated environment, therefore the dust sewage receiving bottle 4 be communicated with the bottom surface of blackboard lower frame 1 has been installed for 1 time at blackboard lower frame, water flows to blackboard lower frame 1 and flows directly into dust sewage receiving bottle 4 from bottleneck, after blackboard eraser blackboard wiping, dirt can be had, now should blackboard eraser appropriateness cleaning in blackboard eraser rinse bath 5, after having cleaned, in blackboard eraser water squeezing groove 6, pressure removes unnecessary water, then wiping is again carried out, blackboard eraser clean water tank 8 is put back to when not using, therefore blackboard eraser also can keep moistening constantly.
Blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6, blackboard eraser clean water tank 8 are independent placement, can take out and be convenient to cleaning, the position of three grooves also can be exchanged simultaneously, should rationally use as requested, to reach optimal effectiveness, be not limited to the specific embodiment of the technical program.Not using available push-and-pull shutter 10 pairs of operating spaces to block, the water in tank is avoided to be polluted, simultaneously anti-sealing evaporation.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment one
See shown in Fig. 1 to Fig. 5, the utility model comprises blackboard, blackboard eraser, blackboard eraser cloth, the strip sump 13 that is fixedly linked with blackboard lower frame 1, and the outside of described strip sump 13 or bottom are also provided with the receiver 3, blackboard eraser rinse bath 5 and the aqua storage tank 2 that hold blackboard eraser cloth.Aqua storage tank 2 is for storing clean water.
The length of aqua storage tank 2 and the length of blackboard lower frame 1 isometric, and the outside of adjacent sump 13, receiver 3 is fixed on below aqua storage tank 2 one end, blackboard eraser rinse bath 5 is positioned at the other end of aqua storage tank 2 and is positioned over aqua storage tank 2, and the two sides of blackboard eraser rinse bath 5 are provided with the limbers be communicated with aqua storage tank 2.
Also be provided with blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8 are all positioned in aqua storage tank 2, and can take out, in blackboard eraser water squeezing groove 6, suspension has the sluicing interlayer 7 with spilled water hole, leave gap between the bottom land of blackboard eraser clean water tank 8 and the bottom land of aqua storage tank 2, the bottom land of blackboard eraser clean water tank 8 is provided with some limbers.
Described aqua storage tank 2 is provided with cover plate 11, cover plate 11 is also provided with can along the push-and-pull shutter 10 of cover plate 11 push-and-pull, push-and-pull shutter 10 can pass push-and-pull shutter 10 along cover plate about 11, blocks on blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8.
Also be provided with dust sewage receiving bottle 4, dust sewage receiving bottle 4 is detachable to be fixed on below strip sump 13, and the bottleneck of dust sewage receiving bottle 4 is communicated with strip sump 13.
Described receiver 3 is drawing and pulling type.
Also comprise blowing device, comprise blower fan and blower, assembling is in one end of blackboard upper ledge, and blower is installed fixing along blackboard upper ledge, and blower is communicated with the air port of blower fan, blower downward some air nozzles are set.
Wherein, described receiver 3 is drawing and pulling type, identical with existing drawer structure, and pull is fixed on below aqua storage tank 2 one end, and blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank are fixed successively from the other end of aqua storage tank 2.Position for receiver 3, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8 can according to the custom rational deployment used.Receiver 3, for storing board wiper, can deposit polylith, is convenient to the wiping surface changing blackboard eraser; Blackboard eraser rinse bath 5 be used for cleaning wiping complete after blackboard eraser, remove the dust of blackboard eraser wiping surface; Blackboard eraser clean water tank 8 is used for placing the blackboard eraser cleaned up, and simultaneously because blackboard eraser clean water tank 8 is communicated with the water in aqua storage tank 2, therefore, blackboard eraser also can be made to keep moistening constantly; When needs blackboard wiping, need blackboard eraser to extrude in blackboard eraser water squeezing groove 6, unnecessary water is extruded, avoids the cross flow of water during wiping.Wherein, receiver 3, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8 are independently unit, and can take out and clean, also use is more flexible.
Wherein, the length of aqua storage tank 2 and the length of blackboard lower frame 1 isometric, the notch of aqua storage tank 2 is provided with cover plate 11, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8 are embedded in aqua storage tank 2 from one end of aqua storage tank 2 successively, blackboard eraser rinse bath 5, two sides or the bottom surface of blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8 are equipped with the limbers be communicated with the water in aqua storage tank 2, such blackboard eraser rinse bath 5 is advisable to be placed on outermost end, because the dust after cleaning can precipitate in blackboard eraser rinse bath 5, and the ripples in aqua storage tank 2 move less, flowing can not be caused, therefore, the dust of precipitation generally can not impact the water in aqua storage tank 2.
In order to avoid the water in aqua storage tank 2 is polluted, simultaneously, water is avoided to evaporate, described blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 are concordant with the notch of aqua storage tank 2 with the upper edge of blackboard eraser clean water tank 8, aqua storage tank 2 cover plate 11 is provided with push-and-pull shutter 10, push-and-pull shutter 10 can be passed along aqua storage tank 2 cover plate about 11, blocks on blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8.Wherein, in the both sides of aqua storage tank 2, can groove be set, cover plate 11 pushes groove along one end of aqua storage tank 2, the upper surface of push-and-pull shutter 10 along cover plate 11 is pushed along groove, when not using blackboard again above again, push-and-pull shutter 10 is pushed into above each box, box being covered, when using blackboard, push-and-pull shutter 10 being pulled open, the two ends of push-and-pull shutter 10 are provided with push-and-pull handle hole 12, are convenient to push-and-pull operation.
Embodiment two
The length of aqua storage tank 2 and the length of blackboard lower frame 1 isometric, and the outside of adjacent sump 13, water-stop sheet is provided with in aqua storage tank 2, water-stop sheet is divided into two regions, left and right aqua storage tank 2, right district is the storage area storing water purification, left district is operating space, receiver 3, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 is positioned over operating space, blackboard eraser clean water tank 8 is positioned over storage area, the notch of storage area is provided with cover plate 11, cover plate 11 is also provided with can along the push-and-pull shutter 10 of cover plate 11 push-and-pull, push-and-pull shutter 10 can pass push-and-pull shutter 10 along cover plate about 11, block at receiver 3, blackboard eraser rinse bath 5, above blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8.In this technical scheme, only blackboard eraser clean water tank 8 is communicated with aqua storage tank 2, remaining receiver 3, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 with aqua storage tank 2 for not to be communicated with, receiver 3 is also placed in groove simultaneously, more compact and reasonable in structure, each box is independently unit, is also convenient to make, takes, cleans.In addition, receiver 3 also can be made into drawer type, namely identical with the structure of embodiment one, is just placed in the operating space of aqua storage tank 2, is through in the groove of operating space, and pull can take out and place blackboard eraser cloth.
Certainly, in embodiment two, described receiver 3, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 are concordant with the notch of aqua storage tank 2 with the upper edge of blackboard eraser clean water tank 8, the cover plate 11 holding pool at aqua storage tank 2 is provided with push-and-pull shutter 10, push-and-pull shutter 10 can be passed along aqua storage tank 2 cover plate about 11, blocks on receiver 3, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 and blackboard eraser clean water tank 8.Its effect is identical with embodiment one.
Embodiment two is compared with embodiment one, blackboard eraser rinse bath 5, blackboard eraser water squeezing groove 6 are not communicated with aqua storage tank 2, can not pollute like this, simultaneously to the water in aqua storage tank 2, water after cleaning and the water after setting-out can be cleared up in time and pour out, and avoid the sewage resting period long and give off a peculiar smell.Receiver 3 is placed side by side in the operating space of aqua storage tank 2 with blackboard eraser water squeezing groove 6, also makes more compact structure.
Technical side is below the technical characteristic that embodiment one is identical with embodiment two, namely, strip sump 13 is structure as a whole with blackboard lower frame 1 and aqua storage tank 2, and aqua storage tank 2 is positioned at the front side of strip sump 13, is in same level bottom the bottom of aqua storage tank 2 and blackboard lower frame 1.Wherein, aqua storage tank 2 and strip sump 13 also can be Demountable, Assembling, are convenient to make.
In embodiment one and embodiment two, be provided with the sluicing interlayer 7 of band spilled water hole in described blackboard eraser water squeezing groove 6, be beneficial to setting-out.
In embodiment one and embodiment two, shown in Figure 5, the dust sewage receiving bottle 4 be fixed on below blackboard lower frame 1 all should be comprised, the bottleneck of dust sewage receiving bottle 4 is threaded with strip sump 13 bottom surface, clamping etc. is detachable is connected, and be communicated with sump 13, on blackboard, catadromous sewage imports in sump 13, and flows into dust sewage receiving bottle 4 from sump, and in bottle, sewage can be cleared up at any time.
Wherein, after aqua storage tank 2 uses a period of time, reply aqua storage tank 2 inside is cleaned, and keeps aqua storage tank 2 to clean.Note observing water level in aqua storage tank 2, when water level is timely moisturizing lower than lower limit water level.
Wherein, blackboard eraser is sponge blackboard eraser, and at the outside cladding plate wiper of sponge, blackboard eraser cloth, with striped, is convenient to wiped clean.
Because the utility model is wet rubbing, after wet blackboard eraser wipes across, blackboard inevitably leaves moistening vestige, drying can not be got final product, therefore also can not use immediately, the effect of attending class can be delayed, therefore, need to arrange blowing device, therefore, blower fan can be installed additional at the upper ledge of blackboard, specifically, blower fan is arranged on one end of blackboard upper ledge, and along blackboard upper ledge, a blower is installed, blower downward while arrange some air nozzles, blower is communicated with the air port of blower fan.
The beneficial effects of the utility model are as follows:
1, the utility model blackboard and tank integral structure, use procedure is convenient and reasonable with hommization, integrated cornerite, and safety is attractive in appearance more to make structure.Receiver, blackboard eraser rinse bath, blackboard eraser water squeezing groove and blackboard eraser clean water tank are independently unit, and can be used alone taking-up, make making easy, and use flexibly, cleaning is convenient.
2, can block operating area with shutter when not using tank, anti-sealing evaporation, avoids polluting, plays the effect of attractive, decorative simultaneously.
3, integrated water tank can water capacity large, meet instructions for use, decrease moisturizing number of times, moisturizing can artificial recharge also can automatic water supplement, more hommization.
4, wet blackboard eraser wiping surface adopts the good collodion material of water absorbing properties, and water imbibition is strong, and pick-up performance is better; Collodion appropriate thickness.
5, aqua storage tank one end is operating space, and the other end is equipped with receiver, can deposit multiple blackboard eraser cloth in receiver, can carry out replacing at any time easy to use, more convenient.
6, blackboard lower frame is equipped with dust sewage receiving bottle, has little water flow into lower frame when using blackboard eraser to carry out wiping to blackboard, and current flow into dust sewage receiving bottle from guiding gutter.Chalk end, dust are recovered into dust sewage receiving bottle by blackboard in push-and-pull process, and it is attractive in appearance that bottle can carry out the environmental protection of dismounting neat and tidy.
7, according to requirements at blackboard upper ledge, blowing device can be installed, the rapid drying of blackboard be reached and writes requirement.
Claims (8)
1. the blackboard with tank, comprise blackboard, blackboard eraser, blackboard eraser cloth, the strip sump (13) that is fixedly linked with blackboard lower frame (1), it is characterized in that, the outside of described strip sump (13) or bottom are also provided with the receiver (3), blackboard eraser rinse bath (5) and the aqua storage tank (2) that hold blackboard eraser cloth.
2. the blackboard of band tank according to claim 1, it is characterized in that, the length of described aqua storage tank (2) and the length of blackboard lower frame (1) isometric, and the outside of adjacent sump (13), receiver (3) is fixed on below aqua storage tank (2) one end, blackboard eraser rinse bath (5) is positioned at the other end of aqua storage tank (2) and is positioned over aqua storage tank (2), and the two sides of blackboard eraser rinse bath (5) are provided with the limbers be communicated with aqua storage tank (2).
3. the blackboard of band tank according to claim 2, it is characterized in that, also be provided with blackboard eraser water squeezing groove (6) and blackboard eraser clean water tank (8), blackboard eraser rinse bath (5), blackboard eraser water squeezing groove (6) and blackboard eraser clean water tank (8) are all positioned in aqua storage tank (2), and can take out, in blackboard eraser water squeezing groove (6), suspension has the sluicing interlayer (7) with spilled water hole, leave gap between the bottom land of blackboard eraser clean water tank (8) and the bottom land of aqua storage tank (2), the bottom land of blackboard eraser clean water tank (8) is provided with some limbers.
4. the blackboard of band tank according to claim 3, it is characterized in that, described aqua storage tank (2) is provided with cover plate (11), cover plate (11) is also provided with can along the push-and-pull shutter (10) of cover plate (11) push-and-pull, pass push-and-pull shutter (10) along cover plate (11) left and right, push-and-pull shutter (10) can block on blackboard eraser rinse bath (5), blackboard eraser water squeezing groove (6) and blackboard eraser clean water tank (8).
5. the blackboard of band tank according to claim 1, it is characterized in that, also be provided with dust sewage receiving bottle (4), dust sewage receiving bottle (4) is detachable to be fixed on below strip sump (13), and the bottleneck of dust sewage receiving bottle (4) is communicated with strip sump (13).
6. the blackboard of band tank according to claim 1, it is characterized in that, the length of described aqua storage tank (2) and the length of blackboard lower frame (1) isometric, and the outside of adjacent sump (13), aqua storage tank is provided with water-stop sheet in (2), water-stop sheet is divided into two regions, left and right aqua storage tank (2), right district is the storage area storing water purification, left district is operating space, receiver (3), blackboard eraser rinse bath (5), blackboard eraser water squeezing groove (6) is positioned over operating space, blackboard eraser clean water tank (8) is positioned over storage area, the notch of storage area is provided with cover plate (11), cover plate (11) is also provided with can along the push-and-pull shutter (10) of cover plate (11) push-and-pull, push-and-pull shutter (10) is passed along cover plate (11) left and right, push-and-pull shutter (10) can block in receiver (3), blackboard eraser rinse bath (5), above blackboard eraser water squeezing groove (6) and blackboard eraser clean water tank (8).
7. the blackboard of the band tank according to claim arbitrary in claim 1 to 6, is characterized in that, described receiver (3) is drawing and pulling type.
8. the blackboard of the band tank according to claim arbitrary in claim 1 to 6, it is characterized in that, also comprise blowing device, comprise blower fan and blower, assembling is in one end of blackboard upper ledge, blower is installed fixing along blackboard upper ledge, and blower is communicated with the air port of blower fan, blower downward some air nozzles are set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520806652.4U CN205167977U (en) | 2015-10-19 | 2015-10-19 | Take blackboard of basin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520806652.4U CN205167977U (en) | 2015-10-19 | 2015-10-19 | Take blackboard of basin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205167977U true CN205167977U (en) | 2016-04-20 |
Family
ID=55732003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520806652.4U Withdrawn - After Issue CN205167977U (en) | 2015-10-19 | 2015-10-19 | Take blackboard of basin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205167977U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172434A (en) * | 2015-10-19 | 2015-12-23 | 石家庄科达文教用品有限公司 | Blackboard having water tank |
| CN106494136A (en) * | 2016-11-21 | 2017-03-15 | 石家庄科达文教用品有限公司 | Wiper blade wipes the wet rubbing box set being suitable for |
| WO2019051773A1 (en) * | 2017-09-15 | 2019-03-21 | 胡建超 | Placing device for whiteboard related teaching aids |
-
2015
- 2015-10-19 CN CN201520806652.4U patent/CN205167977U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172434A (en) * | 2015-10-19 | 2015-12-23 | 石家庄科达文教用品有限公司 | Blackboard having water tank |
| CN106494136A (en) * | 2016-11-21 | 2017-03-15 | 石家庄科达文教用品有限公司 | Wiper blade wipes the wet rubbing box set being suitable for |
| WO2019051773A1 (en) * | 2017-09-15 | 2019-03-21 | 胡建超 | Placing device for whiteboard related teaching aids |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160420 Effective date of abandoning: 20170426 |
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| AV01 | Patent right actively abandoned |