Drawing tool for teaching

The utility model relates to a drawing tool for teaching, which comprises compasses and an angle ruler, wherein the compasses comprise a positioning upright and a rotating upright, wherein the positioning upright of the compasses is fixed with the bottom edge of the angle ruler, the rotating upright...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GAO JIANWEN, SANG RUIJUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES FOR WRITING OR DRAWING ARTICLES FOR WRITING OR DRAWING UPON BUREAU ACCESSORIES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PERFORMING OPERATIONS PHYSICS TESTING TRANSPORTING WRITING OR DRAWING IMPLEMENTS
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Beschreibung
Zusammenfassung:	The utility model relates to a drawing tool for teaching, which comprises compasses and an angle ruler, wherein the compasses comprise a positioning upright and a rotating upright, wherein the positioning upright of the compasses is fixed with the bottom edge of the angle ruler, the rotating upright of the compasses comprises an upper rotating upright and a lower rotating upright which are hinged with each other, the bottom part of the lower rotating upright is provided with a sleeve, and the positioning upright of the compasses is provided with a handle. The utility model has simple structure and convenient use, combines the traditional angle ruler and the compasses, can draw not only round patterns but also fan-shaped patterns, and has more accurate angle.