JPS6331990U - - Google Patents
Info
- Publication number
- JPS6331990U JPS6331990U JP12541586U JP12541586U JPS6331990U JP S6331990 U JPS6331990 U JP S6331990U JP 12541586 U JP12541586 U JP 12541586U JP 12541586 U JP12541586 U JP 12541586U JP S6331990 U JPS6331990 U JP S6331990U
- Authority
- JP
- Japan
- Prior art keywords
- draw
- string
- freely
- angle
- support
- 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)
- Toys (AREA)
Description
第１図はこの考案を示す全体斜視図である。
１……長板（基板）、２，３……おもり、４，
５……受金、６，７……受金下部、８，９……受
金の軸受部、ｗ……２つの受金の間隔、１０，１
１……摺動軸、１２，１３……連結板、１４……
連結軸、α……２本の摺動軸が作る角度、１５…
…描く円弧、１６……２枚の連結板の一方の先端
、１７……筆記具、１８……ウオーム歯車、１９
……ウオーム歯車回転用つまみ。
FIG. 1 is an overall perspective view showing this invention. 1... Long plate (board), 2, 3... Weight, 4,
5... Receiver, 6, 7... Lower part of the receiver, 8, 9... Bearing part of the receiver, w... Spacing between two receivers, 10, 1
1...Sliding shaft, 12, 13...Connecting plate, 14...
Connecting shaft, α... Angle formed by two sliding shafts, 15...
...Drawing arc, 16... One tip of two connecting plates, 17... Writing instrument, 18... Worm gear, 19
...Knob for rotating the worm gear.
Claims (1)
に円滑に回転する受金を設け、その受金上を通り
、自由にスライドする２本の真直な棒の一方の端
を接して作る角（度）を所定の数値に固定し、そ
の先端に筆記具を保持して水平にスライドさせて
円弧を描き、又角度の自由な設定と、微調節を行
えるようにして、設定した弦を通り、自由に決め
る角度に応じて外接する円弧を描くことが出来る
円弧描画器。 A string is set to a certain length, a support that rotates horizontally and smoothly is placed on each end of the string, and one end of two straight rods that slide freely through the support are attached. The angle (degrees) to be created is fixed to a predetermined value, the writing instrument is held at the tip and it is slid horizontally to draw an arc, and the angle can be set freely and finely adjusted to draw the set string. An arc drawing tool that allows you to draw circumscribed arcs according to freely determined angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12541586U JPS6331990U (en) | 1986-08-16 | 1986-08-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12541586U JPS6331990U (en) | 1986-08-16 | 1986-08-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6331990U true JPS6331990U (en) | 1988-03-01 |
Family
ID=31018297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12541586U Pending JPS6331990U (en) | 1986-08-16 | 1986-08-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6331990U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625911U (en) * | 1979-07-31 | 1981-03-10 |
-
1986
- 1986-08-16 JP JP12541586U patent/JPS6331990U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625911U (en) * | 1979-07-31 | 1981-03-10 |
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