| 摘要 |
PROBLEM TO BE SOLVED: To provide the whole periphery tightening structure of a door such as a large sized communication instrument housing capable of securing stable and hermetical closing performance while an operation part is one part. SOLUTION: In the final stage of door closing, a door 1 is connected to the housing 6 by a hinge 100 performing parallel displacement or approximate parallel displacement toward the housing 6, a vertical rod 2 and a horizontal rod 3 arranged on each side of the door 1 are connected in the form of a continuous chain, a hook part 8a drawing a receiving roller 7 fixed on the housing 6 and a slot 8b in which a guide roller 9 fixed on the door 1 is inserted are provided, the vertical rod 2 and the horizontal rod 3 are moved by the drive of a pinion 11 and a rack 12 interlocked with and provided on a single lock handle device 10, and a packing 16 is caulked and compressed between the door 1 and the housing 6.
|
