JPH0445792U - - Google Patents
Info
- Publication number
- JPH0445792U JPH0445792U JP8690890U JP8690890U JPH0445792U JP H0445792 U JPH0445792 U JP H0445792U JP 8690890 U JP8690890 U JP 8690890U JP 8690890 U JP8690890 U JP 8690890U JP H0445792 U JPH0445792 U JP H0445792U
- Authority
- JP
- Japan
- Prior art keywords
- protractor
- reference point
- utility
- predetermined range
- transparent material
- 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
- 238000005259 measurement Methods 0.000 claims 1
- 239000012780 transparent material Substances 0.000 claims 1
Landscapes
- Lenses (AREA)
Description
第１図はこの考案に係る分度器の第１の実施例
を示す平面図、第２図ａ，ｂはその側断面図およ
び下面図、第３図は第２の実施例を示す側断面図
、第４図は第３の実施例を示す平面図、第５図は
その側断面図である。
１……分度器、１０……分度器の板面、１２…
…基準点、１５，１５ａ，１５ｂ……凸状膨出部
。
FIG. 1 is a plan view showing the first embodiment of the protractor according to this invention, FIGS. 2a and b are side sectional views and bottom views thereof, and FIG. 3 is a side sectional view showing the second embodiment. FIG. 4 is a plan view showing the third embodiment, and FIG. 5 is a side sectional view thereof. 1... Protractor, 10... Protractor plate surface, 12...
...Reference point, 15, 15a, 15b... Convex bulge.
Claims (1)
において、 少なくとも角度測定用の基準点を含む所定の範
囲が凸状膨出部として形成されたことを特徴とす
る分度器。[Claims for Utility Model Registration] A substantially semicircular plate protractor made of a transparent material, characterized in that a predetermined range including at least a reference point for angle measurement is formed as a convex bulge. protractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8690890U JPH0445792U (en) | 1990-08-20 | 1990-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8690890U JPH0445792U (en) | 1990-08-20 | 1990-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0445792U true JPH0445792U (en) | 1992-04-17 |
Family
ID=31818830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8690890U Pending JPH0445792U (en) | 1990-08-20 | 1990-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0445792U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5146230A (en) * | 1974-10-16 | 1976-04-20 | Shoyo Sangyo Jugen | Bundoki jogi renzukenyohamono |
-
1990
- 1990-08-20 JP JP8690890U patent/JPH0445792U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5146230A (en) * | 1974-10-16 | 1976-04-20 | Shoyo Sangyo Jugen | Bundoki jogi renzukenyohamono |