JPS6181994U - - Google Patents
Info
- Publication number
- JPS6181994U JPS6181994U JP16557684U JP16557684U JPS6181994U JP S6181994 U JPS6181994 U JP S6181994U JP 16557684 U JP16557684 U JP 16557684U JP 16557684 U JP16557684 U JP 16557684U JP S6181994 U JPS6181994 U JP S6181994U
- Authority
- JP
- Japan
- Prior art keywords
- disc
- tip
- utility
- model registration
- circular ruler
- 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)
Description
第１図は本考案に係る回転式円定規の一実施例
を示す平面図、第２図は第１図の−′線に沿
つて切断し矢印の方向に見た断面図、第３図は本
考案の使用状態を示す概略斜視図である。
１…円板、２…支持板、３…孔、４…鉛筆、５
…中心。
Fig. 1 is a plan view showing an embodiment of the rotary circular ruler according to the present invention, Fig. 2 is a sectional view taken along the line -' in Fig. 1 and seen in the direction of the arrow, and Fig. 3 is a plan view showing an embodiment of the rotary circular ruler according to the present invention. FIG. 1 is a schematic perspective view showing the usage state of the present invention. 1... Disk, 2... Support plate, 3... Hole, 4... Pencil, 5
…center.
Claims (1)
と、この円板に設けられ鉛筆等の先端が挿入でき
る程度の孔とを具備し、この孔に鉛筆等の先端を
挿入して前記円板をガイドとして回すことにより
円または円弧を描画することを特徴とした回転式
円定規。 (2) 前記円板に前記孔を前記円板が回転するに
従つて中心からの半径が円周方向に向つて大きく
なるように複数個配設したことを特徴とする実用
新案登録請求の範囲第(1)項に記載の回転式円定
規。[Claims for Utility Model Registration] (1) A transparent disc supported so as to be able to rotate freely, and a hole provided in the disc that is large enough to insert the tip of a pencil, etc. A rotary circular ruler characterized in that a circle or an arc is drawn by inserting the tip of a circular ruler and turning the circular plate as a guide. (2) A utility model registration claim characterized in that a plurality of holes are arranged in the disc so that the radius from the center increases in the circumferential direction as the disc rotates. The rotary circular ruler described in paragraph (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16557684U JPS6181994U (en) | 1984-10-31 | 1984-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16557684U JPS6181994U (en) | 1984-10-31 | 1984-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6181994U true JPS6181994U (en) | 1986-05-30 |
Family
ID=30723424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16557684U Pending JPS6181994U (en) | 1984-10-31 | 1984-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6181994U (en) |
-
1984
- 1984-10-31 JP JP16557684U patent/JPS6181994U/ja active Pending
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