JPS58194092U - A protractor that allows you to draw lines with several types of angles. - Google Patents
A protractor that allows you to draw lines with several types of angles.Info
- Publication number
- JPS58194092U JPS58194092U JP9236882U JP9236882U JPS58194092U JP S58194092 U JPS58194092 U JP S58194092U JP 9236882 U JP9236882 U JP 9236882U JP 9236882 U JP9236882 U JP 9236882U JP S58194092 U JPS58194092 U JP S58194092U
- Authority
- JP
- Japan
- Prior art keywords
- protractor
- angles
- allows
- several types
- draw lines
- 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
Links
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図−１：平面図。
１・・・ミゾ（使用頻度の高い勾配）、２・・・使用頻
度の低い勾配、３・・・縦１に対する横の比、４・・・
角度。Figure-1: Plan view. 1... Groove (often used slope), 2... Less frequently used slope, 3... Ratio of width to length 1, 4...
angle.
Claims (2)
ゾをつけたもの。−(1) A protractor with a groove with a slope large enough to hold a pencil lead. −
は縦１に対する横の比で表わされる傾きを言う。(2) Utility Model Registration The "gradient" described in claim 1 refers to the gradient expressed by the ratio of width to length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9236882U JPS58194092U (en) | 1982-06-18 | 1982-06-18 | A protractor that allows you to draw lines with several types of angles. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9236882U JPS58194092U (en) | 1982-06-18 | 1982-06-18 | A protractor that allows you to draw lines with several types of angles. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58194092U true JPS58194092U (en) | 1983-12-23 |
Family
ID=30100519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9236882U Pending JPS58194092U (en) | 1982-06-18 | 1982-06-18 | A protractor that allows you to draw lines with several types of angles. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58194092U (en) |
-
1982
- 1982-06-18 JP JP9236882U patent/JPS58194092U/en active Pending
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