CN201317215Y - Novel blackboard eraser - Google Patents
Novel blackboard eraser Download PDFInfo
- Publication number
- CN201317215Y CN201317215Y CNU2008201304752U CN200820130475U CN201317215Y CN 201317215 Y CN201317215 Y CN 201317215Y CN U2008201304752 U CNU2008201304752 U CN U2008201304752U CN 200820130475 U CN200820130475 U CN 200820130475U CN 201317215 Y CN201317215 Y CN 201317215Y
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- arm
- utility
- model
- novel blackboard
- 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.)
- Expired - Fee Related
Links
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides a novel blackboard eraser belonging to the technical field of educational affiliation. The blackboard eraser has the technical scheme that the novel blackboard eraser comprises a flat plate and a brush, and is characterized in that an L-shaped arm is fixedly arranged on the back side of the flat plate; and a retractable rod is connected to the L-shaped arm. The utility model has the advantages of simple structure, as well as convenient, time-saving and labor-saving operation, and can lessen the arm soreness and discomfort when a user cleans a blackboard.
Description
Technical field:
The utility model belongs to the teaching aid technical field, is a kind of novel blackboard eraser specifically.
Background technology:
At present, employed blackboard eraser mainly is made of dull and stereotyped and hairbrush in teaching, when erasing the board eminence clearly, usually needs on tiptoe, holds arm high and wipes, and the ten minutes that operates like this bothers, wastes time and energy, and also is easy to generate the arm sense of discomfort of aching.
Summary of the invention:
The purpose of this utility model provides a kind of easy and simple to handle when erasing the board clearly, time saving and energy saving, and can alleviate the ache novel blackboard eraser of sense of discomfort of arm.
The technical solution of the utility model is: comprise flat board and hairbrush, it is characterized in that being fixed with " L " shape arm at the dull and stereotyped back side, be connected with expansion link on " L " shape arm.
The beneficial effects of the utility model are: the utility model is simple in structure, and is easy and simple to handle when erasing the board clearly, time saving and energy saving, and can alleviate the arm sense of discomfort of aching.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present utility model.
Among the figure 1, flat board, 2, hairbrush, 3, " L " shape arm, 4, expansion link.
The specific embodiment:
Comprise flat board 1 and hairbrush 2, it is characterized in that being fixed with " L " shape arm 3, be connected with expansion link 4 on " L " shape arm 3 at dull and stereotyped 1 back side.When erasing the board clearly, hand-held " L " shape arm 3 is wiped the font of blackboard bottom, regulates telescopic arm 4 during the font on the top that erases the board and wipes clearly and get final product.
Claims (1)
1, novel blackboard eraser comprises flat board (1) and hairbrush (2), it is characterized in that: be fixed with " L " shape arm (3) at dull and stereotyped (1) back side, be connected with expansion link (4) on " L " shape arm (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201304752U CN201317215Y (en) | 2008-12-15 | 2008-12-15 | Novel blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201304752U CN201317215Y (en) | 2008-12-15 | 2008-12-15 | Novel blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201317215Y true CN201317215Y (en) | 2009-09-30 |
Family
ID=41195985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201304752U Expired - Fee Related CN201317215Y (en) | 2008-12-15 | 2008-12-15 | Novel blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201317215Y (en) |
-
2008
- 2008-12-15 CN CNU2008201304752U patent/CN201317215Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090930 Termination date: 20101215 |