JPH0430995U - - Google Patents
Info
- Publication number
- JPH0430995U JPH0430995U JP7182890U JP7182890U JPH0430995U JP H0430995 U JPH0430995 U JP H0430995U JP 7182890 U JP7182890 U JP 7182890U JP 7182890 U JP7182890 U JP 7182890U JP H0430995 U JPH0430995 U JP H0430995U
- Authority
- JP
- Japan
- Prior art keywords
- frame
- rotating shaft
- fastened
- front plate
- extended
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Description
第１図は本考案の一実施例を示す正面板を省略
した正面図、第２図は本考案により得られる共通
中心点が定まる事を説明するための模式図、第３
図は本考案の一実施例を示す外観斜視図、第４図
は異なる実施例を示す第３図相当図である。
１……回転軸、２，２１，２３……車輪、３…
…枠体、４……正面板（背面板）。
Fig. 1 is a front view showing an embodiment of the present invention with the front plate omitted, Fig. 2 is a schematic diagram for explaining that the common center point obtained by the present invention is determined, and Fig. 3
The figure is an external perspective view showing one embodiment of the present invention, and FIG. 4 is a view corresponding to FIG. 3 showing a different embodiment. 1... Rotating shaft, 2, 21, 23... Wheel, 3...
...Frame body, 4...Front plate (rear plate).
Claims (1)
異なる大小の一対の車輪２１，２２が締付け固定
され、且つ枠体３に線引片となる正面板或いは背
面板を略最下端（地表面）まで延長垂下可能に取
り付けてなる特殊定規。 A pair of large and small wheels 21 and 22 having different diameters are fastened and fixed to a rotating shaft 1 rotatably supported on a frame 3, and a front plate or a back plate serving as a drawing piece is attached to the frame 3 at approximately the lowermost end. A special ruler that can be extended and hung down to the ground surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7182890U JPH0430995U (en) | 1990-07-05 | 1990-07-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7182890U JPH0430995U (en) | 1990-07-05 | 1990-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0430995U true JPH0430995U (en) | 1992-03-12 |
Family
ID=31609211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7182890U Pending JPH0430995U (en) | 1990-07-05 | 1990-07-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0430995U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0274398A (en) * | 1988-09-12 | 1990-03-14 | Shigeya Nishihara | Ruler for perspective view |
-
1990
- 1990-07-05 JP JP7182890U patent/JPH0430995U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0274398A (en) * | 1988-09-12 | 1990-03-14 | Shigeya Nishihara | Ruler for perspective view |
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