JPH01106295U - - Google Patents
Info
- Publication number
- JPH01106295U JPH01106295U JP184988U JP184988U JPH01106295U JP H01106295 U JPH01106295 U JP H01106295U JP 184988 U JP184988 U JP 184988U JP 184988 U JP184988 U JP 184988U JP H01106295 U JPH01106295 U JP H01106295U
- Authority
- JP
- Japan
- Prior art keywords
- distances
- holes
- hole rows
- hole
- rotation axis
- 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
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Description
第１図は本考案の平面図、第２図は第１図にお
ける縦断断面図、第３図は本考案の円定規を用い
た場合の斜視図、第４図は本考案と従来の円定規
を組み合せた平面図、第５図は直径の小さい円定
規、第６図は直径の大きい円定規。 １……回転軸、２……プレート、３……中心点
、４……筆記具の挿入穴、５……筆記具。
ける縦断断面図、第３図は本考案の円定規を用い
た場合の斜視図、第４図は本考案と従来の円定規
を組み合せた平面図、第５図は直径の小さい円定
規、第６図は直径の大きい円定規。 １……回転軸、２……プレート、３……中心点
、４……筆記具の挿入穴、５……筆記具。
Claims (1)
- 回転軸を中心に回転可能なプレートにおいて、
該回転軸部の中心点から放射状に複数の穴列を設
け、同一穴列内では穴と穴の間隔は等しく、穴列
相互は穴と穴の間隔が異なるように形成したこと
を特徴とする円定規。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP184988U JPH01106295U (ja) | 1988-01-11 | 1988-01-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP184988U JPH01106295U (ja) | 1988-01-11 | 1988-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01106295U true JPH01106295U (ja) | 1989-07-18 |
Family
ID=31202096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP184988U Pending JPH01106295U (ja) | 1988-01-11 | 1988-01-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01106295U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006264157A (ja) * | 2005-03-24 | 2006-10-05 | Hisashi Tokunaga | コンパス兼用定規 |
-
1988
- 1988-01-11 JP JP184988U patent/JPH01106295U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006264157A (ja) * | 2005-03-24 | 2006-10-05 | Hisashi Tokunaga | コンパス兼用定規 |