JPS59131890U - circular protractor - Google Patents

circular protractor

Info

Publication number
JPS59131890U
JPS59131890U JP2666083U JP2666083U JPS59131890U JP S59131890 U JPS59131890 U JP S59131890U JP 2666083 U JP2666083 U JP 2666083U JP 2666083 U JP2666083 U JP 2666083U JP S59131890 U JPS59131890 U JP S59131890U
Authority
JP
Japan
Prior art keywords
circular protractor
circle
protractor
circular
moon
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
Application number
JP2666083U
Other languages
Japanese (ja)
Inventor
川口　雅司
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP2666083U priority Critical patent/JPS59131890U/en
Publication of JPS59131890U publication Critical patent/JPS59131890U/en
Pending legal-status Critical Current

Links

Landscapes

  • Length-Measuring Instruments Using Mechanical Means (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図ａは本考案の円形分度器の一実施例を示す平面図
、第１図すは第１図ａのＡ−Ａ’断面図である。 １：円形分度器、２：溝、３：度目盛。FIG. 1a is a plan view showing an embodiment of the circular protractor of the present invention, and FIG. 1 is a cross-sectional view taken along line AA' in FIG. 1a. 1: circular protractor, 2: groove, 3: degree scale.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 透明な合成樹脂材で円形に形成され、その円内のあらか
じめ足めた位置に半月状の溝を入れ、更に度目盛を施し
たことを特徴とする円形分度器。A circular protractor characterized by being formed into a circle from a transparent synthetic resin material, having half-moon-shaped grooves at predetermined positions within the circle, and further having a degree scale.
JP2666083U 1983-02-25 1983-02-25 circular protractor Pending JPS59131890U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2666083U JPS59131890U (en) 1983-02-25 1983-02-25 circular protractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2666083U JPS59131890U (en) 1983-02-25 1983-02-25 circular protractor

Publications (1)

Publication Number Publication Date
JPS59131890U true JPS59131890U (en) 1984-09-04

Family

ID=30157568

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2666083U Pending JPS59131890U (en) 1983-02-25 1983-02-25 circular protractor

Country Status (1)

Country Link
JP (1) JPS59131890U (en)

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