| 摘要 |
A hopper for blocking dust according to an embodiment of the present invention includes: a hopper main body in which an upper part is opened and a stopper protruding from the inner surface is formed on the upper end; a blocking plate installed to be rotated on the upper part of the hopper main body and in which one side is located to the lower part of the stopper and the other side is located to the upper part of the stopper; an upper bar in which a fixed end is installed to be rotated on one upper part of the blocking plate; and a lower bar in which a fixed end is installed to be rotated on one lower part of the blocking plate. |
