| 摘要 |
PURPOSE: A connecting member having a roller adaptable to the corner of blackboard for facilitating the manufacturing process is provided to easily connect and disconnect a roller. CONSTITUTION: The connecting member having a roller adaptable to the corner of blackboard including a main body part in the elbow shape with a fixing and connecting part being fixed and connected after being inserted to a corner of the blackboard and a corner bonding material of the blackboard comprising of a frame connecting part being inserted to the frame after being installed to both edges of the main body comprises; a engaging hole(8) forming to be faced each other at the behind and front face part of the frame connecting part and installing a roller(5) to the corner bonding material to be injection molded as a body to the groove forming at a regular depth for holding the roller(5), a space(9) forming a groove at a regular depth upward from the bottom face of the frame connecting part and forming the engaging hole(8) being connected and penetrated from the behind and front face part of the frame connecting part to be faced each to the front wall of inner part being chamfered at a regular depth upward from the lower part face opened, a shaft(7) penetrating the penetrate hole formed to the center of the roller(5) at the space(9) and being inserted into each of the engaging hole(8), a roller(5) being horizontally moved leftward and rightward along the rail after being engaged as a body to the space by the shaft(9).
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