JPS5857705U

JPS5857705U - protractor

Info

Publication number: JPS5857705U
Application number: JP13969581U
Authority: JP
Inventors: 佐藤　七五三雄
Original assignee: Individual
Current assignee: Individual
Priority date: 1981-09-20
Filing date: 1981-09-20
Publication date: 1983-04-19

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は、従来の分度器の平面図で角度直角にした平面
図、第２図は、従来の分度器で鋭角度の場合の辺と辺の
交へ位置を表わせｆ平面図。第３図は、本考案の分解し
た分度器本体の平面図、第４図は、本考案の分解した直
線定規の平面図、第５図は、本考案を組み合せて、辺と
辺の角度る、０度、１８０度に合せた平面図、第６図は
、本考案を組み合せて、辺゛と辺の角度を、小さい鋭角
度、大きい鈍角度にした平面図。　　　　−λ・・・分
度器本体、Ａ′・・・従来の分度器本体、Ｂ・・・直線
定規、１・・・ネジ付き棒、２・・・分度器の辺、３．
４・・・直線定規の辺、５・・・分度器の異なる辺、６
・・・直線定規の穴、７・・・角度を読み取る印し、８
・・・角度を読み取る溝、凹。FIG. 1 is a plan view of a conventional protractor in which the angle is set at a right angle, and FIG. 2 is a plan view of a conventional protractor showing the position of the intersection of sides when the angle is acute. Fig. 3 is a plan view of the disassembled protractor body of the present invention, Fig. 4 is a plan view of the disassembled straight line ruler of the present invention, and Fig. 5 is a plan view of the disassembled protractor body of the present invention. FIG. 6 is a plan view of the angles adjusted to 0 degrees and 180 degrees, and a plan view in which the angles between the sides are made small acute angles and large obtuse angles by combining the present invention. -λ... Protractor body, A'... Conventional protractor body, B... Straight ruler, 1... Threaded rod, 2... Side of protractor, 3.
4... Sides of a straight ruler, 5... Different sides of a protractor, 6
...Hole of straight ruler, 7...Mark to read angle, 8
... Grooves and concavities to read angles.

Claims

[Scope of utility model registration request]

A protractor consisting of a protractor with two different sides for matching acute angles and obtuse angles, and a straight line ruler for measuring angles.