A blackboard that is used for clamp that has of mathematical education

The utility model discloses a blackboard that is used for clamp that has of mathematical education, including the frame frame, be equipped with bottom board and back shaft on the frame frame, the backshaft is located bottom board the place ahead, bottom board and frame swing joint, back shaft and fr...

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Bibliographic Details
Main Author HUANG JINRUI
Format Patent
LanguageChinese
English
Published 26.01.2018
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 utility model discloses a blackboard that is used for clamp that has of mathematical education, including the frame frame, be equipped with bottom board and back shaft on the frame frame, the backshaft is located bottom board the place ahead, bottom board and frame swing joint, back shaft and frame fixed connection, the activity is equipped with the rotor plate on the back shaft, and the draw-in groove that the rotor plate just put up with the frame around the back shaft rotation cooperatees, is equipped with the removal clamp on the rotor plate, the lower part of frame is equipped withan album powder box. The utility model discloses a rotatory blackboard of page formula, it is practical nimble convenient, increased writing area, be equipped with the removal clamp that can slide andconvert into on the rotor plate, can add the teaching material and hold at the rotor plate, the liberation both hands, more convenient quick on class, the teaching quality is higher, the utility model relates to an it is ingeni
Bibliography:Application Number: CN20172411294U