| 摘要 |
PURPOSE: An apparatus for opening and closing a leveller door is provided to completely close the door and to buffer a load on an opening/closing cylinder by controlling a variance from the variation of door due to high temperature. CONSTITUTION: An apparatus for opening and closing a leveller door includes a frame(110), a rotary member(120), an opening/closing part(200), a actuating part(400), and a buffering part(300). The rotary member is connected to be rotatable on the frame. The opening/closing part opens and closes the door with being linked to the rotary member. The actuating part on the frame moves the rotary member. The buffering part is installed on the rotary member. |
