Blackboard device is cleared up in dustproof automation

Blackboard device is cleared up in dustproof automation belongs to teaching aid technical field. The utility model discloses a go up the mounting panel, lower mounting panel, the installation frame offormation is assembled to left side board and right side board, a plurality of blackboard blade bodi...

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Bibliographic Details
Main Author JIAO TIANKUO
Format Patent
LanguageChinese
English
Published 18.09.2018
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:Blackboard device is cleared up in dustproof automation belongs to teaching aid technical field. The utility model discloses a go up the mounting panel, lower mounting panel, the installation frame offormation is assembled to left side board and right side board, a plurality of blackboard blade bodies and blackboard blackboard eraser group, a plurality of blackboard blade bodies pass through theaxis of rotation and install in the installation frame, blackboard blackboard eraser group is including the installation piece, the lead screw, the screw, sponge mounting column and sponge, the lead screw is installed in the installation frame and is set up and blackboard blade body rear side, the embedding has the screw in the installation piece, the sponge passes through sponge mounting column and installs in the installation piece, the installation is establish through screw and lead screw to the installation piece, a plurality of blackboard blade bodies after the installation can realize that 180 rotate, and the sp
Bibliography:Application Number: CN201721265668U