| 摘要 |
PROBLEM TO BE SOLVED: To provide an extensible/contractible fence with a wicket of a base isolation structure composed of two movable panel bodies and capable of securing the maximum amount of extension and contraction of the panel body. SOLUTION: This extensible/contractible fence 1 with the wicket of the base isolation structure is provided with the panel body 40 on a base isolation side and the panel body 50 on a non-base isolation side. They are arranged in parallel while they are overlapped from their tips to their central parts and can advance and retreat freely in the longitudinal direction. The panel body 50 on the non-base isolation side is provided with a rotary door 60 as the wicket between a base side vertical frame 53 and an intermediate frame 55. The rotary door 60 is rotatably attached to the intermediate frame 55 by a hinge 66. An engaging hole in which a lock pin of a lock provided in the base side vertical frame 53 of the panel body 50 on the non-base isolation side is engaged is formed in a tip side vertical frame 64. The base side vertical frame 53 is provided with the lock composed of a latch, a latch coming-in/out mechanism or the like. A cylinder lock 67 used as an operation part for locking and unlocking is protrudedly provided on both sides of the base side vertical frame 53. COPYRIGHT: (C)2010,JPO&INPIT
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