Compasses for mathematics subject

The compasses comprise a fixed supporting shaft and a scale rod ruler, a rotating circular shaft is arranged on the surface of the middle of the top of the fixed supporting shaft, an anti-disengaging circular block is arranged on the surface of the top of the rotating circular shaft, and a protectiv...

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Bibliographic Details
Main Authors WANG YANGBIN, ZHU HAIHUI, ZHANG MINGWEN
Format Patent
LanguageChinese
English
Published 18.04.2023
Subjects
ACCESSORIES FOR WRITING OR DRAWING
ARTICLES FOR WRITING OR DRAWING UPON
BUREAU ACCESSORIES
PERFORMING OPERATIONS
TRANSPORTING
WRITING OR DRAWING IMPLEMENTS
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Summary:The compasses comprise a fixed supporting shaft and a scale rod ruler, a rotating circular shaft is arranged on the surface of the middle of the top of the fixed supporting shaft, an anti-disengaging circular block is arranged on the surface of the top of the rotating circular shaft, and a protective ball is arranged on the inner side of the bottom of the fixed supporting shaft. According to the compasses for the mathematics subject, the scale rod ruler is arranged, the radius measuring effect can be provided for the compasses for the mathematics subject, through the arrangement of the rotating circular shaft, the radius of the compasses for the mathematics subject can be measured, and the compasses for the mathematics subject can be adjusted through the rotating circular shaft. According to the compasses for the mathematics subject, a supporting action point can be provided for use of the fixed supporting shaft, the situation that in the use process of the compasses for the mathematics subject, the hand slip
Bibliography:Application Number: CN202223594593U