JPS59192386U - drafting ruler - Google Patents
drafting rulerInfo
- Publication number
- JPS59192386U JPS59192386U JP8771483U JP8771483U JPS59192386U JP S59192386 U JPS59192386 U JP S59192386U JP 8771483 U JP8771483 U JP 8771483U JP 8771483 U JP8771483 U JP 8771483U JP S59192386 U JPS59192386 U JP S59192386U
- Authority
- JP
- Japan
- Prior art keywords
- ruler
- scale display
- line
- scale
- transparent
- 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.)
- Granted
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例の正面図、第２図は同上の分
解正面図、第３図は同上に用いる枢支部材の分解斜視図
、第４図は同上の枢支部の縦断面図、第５図乃至第７図
は同上の動作説明図である。
Ｌ、、 Ｌ２は目盛表示線、Ｅは角部、Ｌｅは２等分線
、Ｈａ、 Ｈｂは枢支穴、Ａ、 Ｂは定規、ＬＸ、°Ｌ
ｙは格子線、Ｌｏは目盛読取線、Ｓは枢支部材であ′る
。Fig. 1 is a front view of an embodiment of the present invention, Fig. 2 is an exploded front view of the same, Fig. 3 is an exploded perspective view of a pivot member used in the above, and Fig. 4 is a longitudinal section of the same as the above. 5 to 7 are explanatory diagrams of the same operation as above. L, L2 is the scale display line, E is the corner, Le is the bisector, Ha, Hb are the pivot holes, A, B are the ruler, LX, °L
y is a grid line, Lo is a scale reading line, and S is a pivot member.
Claims (1)
成される直角な角部の２等分線上に位置する枢支穴と、
一方の目盛表示線と平行な複数本の線と他方の目盛表示
線と平行な複数本の線とからなる格子線とを有する透明
乃至半透明な第１の定規と、透明乃至半透明な直線定規
に枢支穴を設けて、この枢支穴を通り、かつ長手方向と
平行な目盛読取線を設けて成る第２の定規と、第１の定
規と第２の定規とを製図時において第２の定規が下側に
なるように枢支する枢支部材とを有し、第１および第２
の定規の枢支状態においては第２の定規の一部が第１の
定規の外側に露出し、かついずれか一方の目盛表示線が
目盛読取線と交わるように第２の定規の長さを設定し、
かつ両目盛表示線上には、目盛読取線と一方の目盛表示
線とがなす角度に対する正接関数の値を表示して成る製
図用定規。Scale display lines that are orthogonal to each other, and a pivot hole located on a bisector of a right-angled corner formed by both scale display lines;
A transparent or semi-transparent first ruler having a grid line consisting of a plurality of lines parallel to one scale display line and a plurality of lines parallel to the other scale display line; and a transparent or semi-transparent straight line. A second ruler is provided with a pivot hole in the ruler and a scale reading line that passes through the pivot hole and is parallel to the longitudinal direction, and the first ruler and the second ruler are The first and second rulers are pivoted so that the second ruler is on the lower side.
When the ruler is pivoted, a part of the second ruler is exposed outside the first ruler, and the length of the second ruler is adjusted so that one of the scale display lines intersects with the scale reading line. Set,
A drafting ruler in which the value of a tangent function to the angle formed by the scale reading line and one of the scale display lines is displayed on both scale display lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8771483U JPS59192386U (en) | 1983-06-08 | 1983-06-08 | drafting ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8771483U JPS59192386U (en) | 1983-06-08 | 1983-06-08 | drafting ruler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59192386U true JPS59192386U (en) | 1984-12-20 |
| JPH0111515Y2 JPH0111515Y2 (en) | 1989-04-04 |
Family
ID=30217629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8771483U Granted JPS59192386U (en) | 1983-06-08 | 1983-06-08 | drafting ruler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59192386U (en) |
-
1983
- 1983-06-08 JP JP8771483U patent/JPS59192386U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0111515Y2 (en) | 1989-04-04 |
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