JPS6343794U - - Google Patents
Info
- Publication number
- JPS6343794U JPS6343794U JP13910386U JP13910386U JPS6343794U JP S6343794 U JPS6343794 U JP S6343794U JP 13910386 U JP13910386 U JP 13910386U JP 13910386 U JP13910386 U JP 13910386U JP S6343794 U JPS6343794 U JP S6343794U
- Authority
- JP
- Japan
- Prior art keywords
- triangular
- triangular ruler
- ruler
- corner angles
- displayed
- 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
- 239000000758 substrate Substances 0.000 claims 1
Landscapes
- Drawing Aids And Blackboards (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Description
第１図は本考案実施例の三角定規を示す表面側
の斜視図、第２図は同裏面側の斜視図、第３図は
従来の三角スケールを示す斜視図である。
１：三角定規、２：三角定規、３：縮尺スケー
ル、１０：基板、２０：打ち抜き穴。
FIG. 1 is a perspective view of the front side of a triangular ruler according to an embodiment of the present invention, FIG. 2 is a perspective view of the back side of the same, and FIG. 3 is a perspective view of a conventional triangular scale. 1: Triangular ruler, 2: Triangular ruler, 3: Scale, 10: Board, 20: Punched hole.
Claims (1)
る三角定規と、９０°・４５°・４５°のコーナ
ー角度を有する三角定規との組み合わせであつて
、一方の三角定規を他方の三角定規を構成する基
板内において打ち抜き穴状に形成すると共に、両
三角定規の各辺を構成する内外各側縁部の全部ま
たは一部に、それぞれ縮尺率を異にした縮尺スケ
ールを表示したことを特徴とする三角定規。 A combination of a triangular ruler with corner angles of 90°, 60°, and 30° and a triangular ruler with corner angles of 90°, 45°, and 45°, where one triangular ruler constitutes the other triangular ruler. The triangular ruler is formed into a punched hole shape in the substrate, and scale scales with different scale ratios are displayed on all or part of the inner and outer edges constituting each side of both triangular rulers. set square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13910386U JPS6343794U (en) | 1986-09-09 | 1986-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13910386U JPS6343794U (en) | 1986-09-09 | 1986-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6343794U true JPS6343794U (en) | 1988-03-24 |
Family
ID=31044686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13910386U Pending JPS6343794U (en) | 1986-09-09 | 1986-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6343794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100393536C (en) * | 2006-06-13 | 2008-06-11 | 赵建科 | Trisectrix of angle drawing instrument |
-
1986
- 1986-09-09 JP JP13910386U patent/JPS6343794U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100393536C (en) * | 2006-06-13 | 2008-06-11 | 赵建科 | Trisectrix of angle drawing instrument |