主权项 |
1. A reinforcement structure for a sliding shutter including a shutter plate which is guided by a pair of guide rails provided in a vertical direction along both side edges of a building opening and which can open and close the building opening, the reinforcement structure comprising:
a reinforcement body which is formed into a rod shape capable of extending and contracting, one end of the reinforcement body is rotatably supported by an upper end of one of the both side edges, and the other end of the reinforcement body is attachable to and detachable from a lower end of the one side edge, and is attachable to and detachable from a lower end of the other side edge or a lower edge of the building opening between the lower end of the one side edge and the lower end of the other side edge. |