| 摘要 |
PROBLEM TO BE SOLVED: To provide an internal unlocking device of a door structure, which enables emergency escape even from the inside of a door with a flat handle, a lever handle and the like. SOLUTION: In a handle for unlocking from the outside of the door, such as the flat handle and the lever handle, a latch makes the door locked to a main body such as a skeleton and a case; and an operating plate for pulling and/or pushing the latch with respect to the door is provided inside the door with the handle, so that a person can easily escape from the inside of the door to the outside thereof. COPYRIGHT: (C)2004,JPO
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