CN2398105Y - Scale combined with ruler and protractor - Google Patents
Scale combined with ruler and protractor Download PDFInfo
- Publication number
- CN2398105Y CN2398105Y CN 99252809 CN99252809U CN2398105Y CN 2398105 Y CN2398105 Y CN 2398105Y CN 99252809 CN99252809 CN 99252809 CN 99252809 U CN99252809 U CN 99252809U CN 2398105 Y CN2398105 Y CN 2398105Y
- Authority
- CN
- China
- Prior art keywords
- ruler
- protractor
- utility
- model
- compasses
- 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
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a scale combined with a ruler and a protractor, which is composed of a protractor rope (1), and a ruler body that is composed of a ruler (2) and a protractor (3). With the utility model, circles, arcs and straight lines can be drawn and angles can be measured.
Description
The utility model relates to a kind of geometry construction with ruler and compasses apparatus, belongs to the stationery field.
Geometry carries out construction with ruler and compasses at present, and instrument commonly used is compasses, ruler and protractor.Though these apparatus are practical, use any apparatus all can't finish the mapping of a complex geometry.The utility model has been owing to realized compasses, ruler and protractor " three in one ", thereby can draw circle, arc, straight line and tolerance angle, thereby just can draw various geometric figures.This is an advantage of the present utility model.
The purpose of this utility model is that a kind of novel geometric construction instrument will be provided, thereby provides a kind of new approach for the stationery manufacturing industry.
The purpose of this utility model is achieved in that 1. molding jigs: please make a chi mould that is integrated by ruler and protractor in the mould factory.2. casting: make the chi body with injection molding machine, bore a rule rope hole at chi body 0 scale place.3. wire rope handling: filament rule rope is through in the rule rope hole of chi body, pimple is drawn at the rope two ends.
Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.Fig. 1 is the profile according to a kind of construction with ruler and compasses instrument that the utility model proposes, and describes the details and the operating position of this a kind of construction with ruler and compasses instrument in detail below in conjunction with Fig. 1.
The utility model comprises one by ruler (2) and protractor (3) chi body cast in block.Be installed with rule ropes (1) in the rule rope hole at chi body 0 scale place.Ruler (2) can be in order to draw straight line; Protractor can measuring angle or is drawn the angle; When drawing circle or arc, first angle gauge block rope is long, advises desirable circle or the arc of can drawing of restricting with the nib stretching then.
Claims (1)
1. a construction with ruler and compasses instrument is characterized in that having one by ruler (2) and protractor (3) casting chi body together, is installed with rule ropes (1) in the rule rope hole of chi body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99252809 CN2398105Y (en) | 1999-11-03 | 1999-11-03 | Scale combined with ruler and protractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99252809 CN2398105Y (en) | 1999-11-03 | 1999-11-03 | Scale combined with ruler and protractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2398105Y true CN2398105Y (en) | 2000-09-27 |
Family
ID=34036894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99252809 Expired - Fee Related CN2398105Y (en) | 1999-11-03 | 1999-11-03 | Scale combined with ruler and protractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2398105Y (en) |
-
1999
- 1999-11-03 CN CN 99252809 patent/CN2398105Y/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 |