JPH01180602U - - Google Patents
Info
- Publication number
- JPH01180602U JPH01180602U JP7254588U JP7254588U JPH01180602U JP H01180602 U JPH01180602 U JP H01180602U JP 7254588 U JP7254588 U JP 7254588U JP 7254588 U JP7254588 U JP 7254588U JP H01180602 U JPH01180602 U JP H01180602U
- Authority
- JP
- Japan
- Prior art keywords
- rod
- scale
- displayed
- auxiliary rod
- rotating rod
- 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
- Length-Measuring Instruments Using Mechanical Means (AREA)
Description
図面は本考案の一実施例を示すもので、第１図
は本案品の正面図、第２図はＡ―Ａ線の側断面図
、第３図、第４図は本案品の使用状態を示す詳細
目盛を省略した正面図である。
ａ……直尺竿、１……ベース、１ａ……一側縁
、１ｂ……下縁、２……補助竿、３……分度目盛
、４……分度目盛、５……回動竿、５ａ……基端
部、６……軸、７……指示板、８……指示線、９
，１０……目盛。
The drawings show one embodiment of the present invention. Figure 1 is a front view of the product, Figure 2 is a side sectional view taken along line A-A, and Figures 3 and 4 show the product in use. FIG. 3 is a front view with detailed scales omitted. a... Straight rod, 1... Base, 1a... One side edge, 1b... Lower edge, 2... Auxiliary rod, 3... Minute scale, 4... Minute scale, 5... Rotation Rod, 5a... Base end, 6... Shaft, 7... Indication plate, 8... Indication line, 9
, 10...scale.
Claims (1)
になるように突設し、このベースの下縁寄り中心
を支点にして０〜１８０°までの分度目盛を表示
し、この分度目盛の内側に前記分度目盛よりも目
盛間隔が小さな同じく０〜１８０°までの分度目
盛を表示し、このベースの支点に回動竿の基端部
を軸により軸着し、この回動竿の基端部に指示板
を延長連設し、この指示板に指示線を表示すると
共に補助竿と回動竿との表面に回動竿を補助竿と
反対側に１８０°回動させて補助竿と回動竿とに
より直尺竿を形成した時に読み取りする長さ目盛
を表示した事を特徴とするプロトラクタに係るも
のである。 An auxiliary rod is protruded from one side edge of the rectangular base so as to be flat with the lower edge, and a minute scale from 0 to 180° is displayed using the center near the lower edge of the base as a fulcrum. A minute scale from 0 to 180° is displayed inside the degree scale, and the scale interval is smaller than the minute scale. An instruction plate is extended and connected to the base end of the moving rod, and an instruction line is displayed on the instruction plate, and the rotating rod is rotated 180 degrees to the opposite side of the auxiliary rod on the surface of the auxiliary rod and the rotating rod. The present invention relates to a protractor characterized in that a length scale is displayed to be read when a straight rod is formed by an auxiliary rod and a rotating rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7254588U JPH01180602U (en) | 1988-05-31 | 1988-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7254588U JPH01180602U (en) | 1988-05-31 | 1988-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01180602U true JPH01180602U (en) | 1989-12-26 |
Family
ID=31297704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7254588U Pending JPH01180602U (en) | 1988-05-31 | 1988-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01180602U (en) |
-
1988
- 1988-05-31 JP JP7254588U patent/JPH01180602U/ja active Pending
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