CN101190632A - Compass - Google Patents
Compass Download PDFInfo
- Publication number
- CN101190632A CN101190632A CNA2006101252927A CN200610125292A CN101190632A CN 101190632 A CN101190632 A CN 101190632A CN A2006101252927 A CNA2006101252927 A CN A2006101252927A CN 200610125292 A CN200610125292 A CN 200610125292A CN 101190632 A CN101190632 A CN 101190632A
- Authority
- CN
- China
- Prior art keywords
- sucker
- compasses
- compass
- supporting leg
- paintbrush
- 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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Abstract
The invention provides a compass. A sucker is arranged at the lower end of a positioning pin leg of the compass with a universal ball and the other leg is a fixed paintbrush. The invention can lead the positioning pin leg to be absorbed on a blackboard through the sucker so as to draw circles with various diameters, thus providing convenient use for teaching.
Description
Affiliated technical field
The present invention relates to a kind of teaching aid, specifically with a kind of compasses of sucker.
Background technology
The old-fashioned compasses that teaching is now used, it is decided pin and is easy to skid on blackboard, and newer compasses then exist and use inconvenient defective.
Summary of the invention
The invention provides a kind of compasses, can be stable be adsorbed on the blackboard circle of drawing easily.
The present invention includes multi-directional ball and sucker and paintbrush, the technical scheme that is adopted is: decide pin supporting leg lower end at educational compasses and by multi-directional ball a sucker is installed, the lower end of another picture circle supporting leg is fixing paintbrush.
The invention has the beneficial effects as follows: be adsorbed on the blackboard by sucker and use the paintbrush circular diagram that draws, can make educational compasses highly stable, convenient.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Accompanying drawing is a structural representation of the present invention.
The specific embodiment
Among the figure: sucker 1 is installed by multi-directional ball 2 in the pin supporting leg lower end of deciding of its compasses, and another lower end of drawing the circle supporting leg is fixing paintbrush 3.
Claims (1)
1. compasses comprise multi-directional ball (2) and sucker (1), it is characterized in that: sucker (1) is equipped with by universal multi-directional ball (2) in the lower end that compasses are decided the pin supporting leg, and another lower end of drawing the circle supporting leg is the paintbrush of fixing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101252927A CN101190632A (en) | 2006-11-30 | 2006-11-30 | Compass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101252927A CN101190632A (en) | 2006-11-30 | 2006-11-30 | Compass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101190632A true CN101190632A (en) | 2008-06-04 |
Family
ID=39485886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101252927A Pending CN101190632A (en) | 2006-11-30 | 2006-11-30 | Compass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101190632A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910005A (en) * | 2012-10-26 | 2013-02-06 | 华侨大学 | Compasses applicable to any smooth surface |
| CN105383213A (en) * | 2015-12-11 | 2016-03-09 | 苏州市启扬商贸有限公司 | Tripod compass |
-
2006
- 2006-11-30 CN CNA2006101252927A patent/CN101190632A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910005A (en) * | 2012-10-26 | 2013-02-06 | 华侨大学 | Compasses applicable to any smooth surface |
| CN102910005B (en) * | 2012-10-26 | 2016-08-03 | 华侨大学 | A kind of compasses that can use on any smooth surface |
| CN105383213A (en) * | 2015-12-11 | 2016-03-09 | 苏州市启扬商贸有限公司 | Tripod compass |
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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 |
Open date: 20080604 |