| 摘要 |
PROBLEM TO BE SOLVED: To prevent an object of melting and falling off by heat in a fire from becoming a causal fire by flying about by falling on a floor surface and a lower frame.SOLUTION: A switchgear comprises an opening-closing body(a sliding door 20) for opening-closing an opening part A for a passage, an upper side horizontal frame 11 provided on the upper side of the opening part A for the passage and having the inside of a hollow shape over the lateral width direction of he opening part A for the passage, a guide rail 11c fixed so as to continue in the lateral width direction in the upper side horizontal frame 11 and a movement support part 20a for moving in the lateral width direction by mutually hooking on the guide rail 11c and suspending-holding the opening-closing body on the lower side, and operates the opening-closing body for opening-closing by the movement in the lateral width direction of the movement support part 20a, and is provided with a receiving part 11g formed wider in a width than the guide rail 11c on the lower side of the guide rail 11c and continuing in the lateral width direction, and receives a falling object by the receiving part 11g. |
