CN2474347Y - Multifunction blackboard eraser - Google Patents
Multifunction blackboard eraser Download PDFInfo
- Publication number
- CN2474347Y CN2474347Y CN 01239613 CN01239613U CN2474347Y CN 2474347 Y CN2474347 Y CN 2474347Y CN 01239613 CN01239613 CN 01239613 CN 01239613 U CN01239613 U CN 01239613U CN 2474347 Y CN2474347 Y CN 2474347Y
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- housing
- utility
- model
- groove
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a multifunctional blackboard eraser comprising a casing and bristles. A small rotatable shaft and a groove are provided on the casing, and the width of the groove corresponds to the diameter of chalks. At least one side of the casing is carved with scale marks. Because the structure is adopted, the utility model not only can be used as a common blackboard eraser, but also can be used as calipers and a ruler. The utility model has the advantages of simple structure and convenient operation.
Description
The utility model relates to a kind of multifunctional blackboard eraser.
At present, the blackboard eraser function singleness usually needs to be with a lot of teaching aids, inconvenience when teacher gives a lesson.
The purpose of this utility model just provides a kind of multi-functional blackboard eraser, goes up to teacher and brings many convenience class hour.
The purpose of this utility model is achieved in that a kind of multifunctional blackboard eraser, comprises housing 1, bristle 4, and housing 1 is provided with a little axle 2 that can rotate, and also has a groove 3 on the housing, and the diameter of groove 3 width and chalk adapts.One side at least of housing 1 is provided with scale 5.
The utility model reaches the groove that adapts with chalk because employing is provided with a little axle on housing, is used for little axle is fixed on blackboard, and chalk is put into the groove appropriate location, and chalk can be drawn around little rotation; Because housing is provided with scale,, the utility model uses again so can also making ruler.
Be described further below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present utility model.
Fig. 1 double as Figure of abstract.
Among the figure: 1, housing, 2, little axle, 3, groove, 4, bristle, 5, scale.
A kind of as shown in Figure 1 multifunctional blackboard eraser comprises housing 1, bristle 4, and housing 1 is provided with a little axle 2 that can rotate, and also has a groove 3 on the housing, and the diameter of groove 3 width and chalk adapts.One side at least of housing 1 is provided with scale 5.
During use,, chalk is put into groove 3 appropriate locations, chalk around little axle 2 rotations, is got final product the picture circle with the fixing little axle 2 of hand; Utilize the scale on the housing limit, the utility model also can be made ruler and use.
The utility model can be made ordinary blackboard eraser and use.
Claims (2)
1, a kind of multifunctional blackboard eraser comprises housing (1), bristle (4), it is characterized in that: housing (1) is provided with a little axle (2) that can rotate, and housing (1) is gone up also has a groove (3), and the diameter of groove (3) width and chalk adapts.
2, a kind of multifunctional blackboard eraser according to claim 1 is characterized in that: housing (1) Yi Bian be provided with scale (5) at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01239613 CN2474347Y (en) | 2001-03-30 | 2001-03-30 | Multifunction blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01239613 CN2474347Y (en) | 2001-03-30 | 2001-03-30 | Multifunction blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2474347Y true CN2474347Y (en) | 2002-01-30 |
Family
ID=33652013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01239613 Expired - Fee Related CN2474347Y (en) | 2001-03-30 | 2001-03-30 | Multifunction blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2474347Y (en) |
-
2001
- 2001-03-30 CN CN 01239613 patent/CN2474347Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |