CN102039754A - Foldable blackboard - Google Patents
Foldable blackboard Download PDFInfo
- Publication number
- CN102039754A CN102039754A CN2009102069640A CN200910206964A CN102039754A CN 102039754 A CN102039754 A CN 102039754A CN 2009102069640 A CN2009102069640 A CN 2009102069640A CN 200910206964 A CN200910206964 A CN 200910206964A CN 102039754 A CN102039754 A CN 102039754A
- Authority
- CN
- China
- Prior art keywords
- blackboard
- foldable
- blackboards
- present
- clearly
- 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.)
- Pending
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a foldable blackboard provided with two isometrical blackboards which are connected by a rotation shaft. During the use, if reflection phenomenon occurs, the blackboard can be turned properly so that the blackboard can be seen clearly. The foldable blackboard is convenient and practical.
Description
Technical field the present invention relates to school supply and stationery, directly relates to folding blackboard.
Background technology is the blackboard for education of usefulness at ordinary times, because reflection action can not see Chu, so just brings very big difficulty to teaching.
Summary of the invention purpose of the present invention is exactly that a kind of collapsible very plate simple in structure, easy to use will be provided, and it can allow the student see blackboard clearly in different angles, improves learning efficiency.
The object of the present invention is achieved like this: have two blackboards that grade is big, the centre connects with rotating shaft.During use,, can suitably change blackboard, so just can very clearly see blackboard clearly if reflective place is arranged, convenient and practical.
Appended drawings is a structure principle chart of the present invention, and the invention will be further described below in conjunction with accompanying drawing.
Specific embodiment accompanying drawing shows structure of the present invention, and the present invention has two blackboards 1,2 that grade is big, and is middle with rotating shaft 3 connections.During use,, blackboard 1 or 2 can be suitably changeed, just blackboard can be clearly seen clearly if reflective place is arranged.
Claims (1)
1. Folding blackboard is characterized in that: have two blackboard (1), blackboards (2) that grade is big, middlely connect with rotating shaft (3), during use, run into reflective place, suitably change blackboard (1), blackboard (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102069640A CN102039754A (en) | 2009-10-20 | 2009-10-20 | Foldable blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102069640A CN102039754A (en) | 2009-10-20 | 2009-10-20 | Foldable blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102039754A true CN102039754A (en) | 2011-05-04 |
Family
ID=43906434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102069640A Pending CN102039754A (en) | 2009-10-20 | 2009-10-20 | Foldable blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102039754A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350904A (en) * | 2011-08-05 | 2012-02-15 | 安吉县天荒坪镇中学 | Novel blackboard structure |
| CN105882245A (en) * | 2016-04-12 | 2016-08-24 | 宿州学院 | Blackboard |
| CN108688382A (en) * | 2018-08-28 | 2018-10-23 | 深圳市中银科技有限公司 | A kind of intelligent blackboard of rotatable folding |
-
2009
- 2009-10-20 CN CN2009102069640A patent/CN102039754A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350904A (en) * | 2011-08-05 | 2012-02-15 | 安吉县天荒坪镇中学 | Novel blackboard structure |
| CN105882245A (en) * | 2016-04-12 | 2016-08-24 | 宿州学院 | Blackboard |
| CN108688382A (en) * | 2018-08-28 | 2018-10-23 | 深圳市中银科技有限公司 | A kind of intelligent blackboard of rotatable folding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110504 |