JPS59155191U - ruler - Google Patents
rulerInfo
- Publication number
- JPS59155191U JPS59155191U JP4974383U JP4974383U JPS59155191U JP S59155191 U JPS59155191 U JP S59155191U JP 4974383 U JP4974383 U JP 4974383U JP 4974383 U JP4974383 U JP 4974383U JP S59155191 U JPS59155191 U JP S59155191U
- Authority
- JP
- Japan
- Prior art keywords
- ruler
- plane
- shaped groove
- refract
- fact
- 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
- Drawing Aids And Blackboards (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
第１図は本考案の斜視図、第２図は第１図ｎ−■線拡大
断面図である。
１・・・・・・三角定規、２・・・・・・辺、３・・・
・・・平面、４・・・・・・Ｖ字状の溝。FIG. 1 is a perspective view of the present invention, and FIG. 2 is an enlarged sectional view taken along the line n--■ in FIG. 1...Triangle ruler, 2...Sides, 3...
...Flat surface, 4...V-shaped groove.
Claims (1)
光線を定規の肉厚内で前記平面と平行な光軸裸て辺の端
面方向に屈折させるＶ字状の溝を辺に沿って設けたこと
を特徴とする定規。A V-shaped groove is formed on a plane near the side of a transparent ruler along the side to refract the light rays incident from this plane toward the end face of the bare side, with the optical axis parallel to the plane within the wall thickness of the ruler. A ruler characterized by the fact that it has been set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4974383U JPS59155191U (en) | 1983-04-05 | 1983-04-05 | ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4974383U JPS59155191U (en) | 1983-04-05 | 1983-04-05 | ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59155191U true JPS59155191U (en) | 1984-10-18 |
Family
ID=30180237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4974383U Pending JPS59155191U (en) | 1983-04-05 | 1983-04-05 | ruler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59155191U (en) |
-
1983
- 1983-04-05 JP JP4974383U patent/JPS59155191U/en active Pending
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