| 摘要 |
PURPOSE: An opening/closing device for a tapping inspection hole is provided to enable an observer to easily open a door by easily operating a switch using the observer's foot to open and close the door. CONSTITUTION: An opening/closing device for a tapping inspection hole comprises an opening/closing unit(100), an operation unit(200), and a returning unit(300). The opening/closing unit comprises a door(130). The door rotates based on the lower side of an inspection hole(4). The opening/closing unit opens and closes the inspection hole by the rotation of the door. The operation unit is connected to the wire(230). The operation unit pulls the wire to open and close the door. The returning unit is installed in the opening/closing unit. |
