| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an opening prevention fence which is smoothly extendable/contractible irrespective of adhesion of rainwater thereto or even after long-term use thereof, efficiently protected from being damaged at the time of an earthquake, prevented from rattling or causing noises even at the time of strong wind, and can be installed easily. <P>SOLUTION: The opening prevention fence is formed of a pair of studs each horizontally rotatively mounted on a floor skeleton or a wall skeleton on a joint-facing side of each of right and left buildings arranged across a joint portion, a pair of joint plates located to be superposed with the front end with its rear end fixed to the stud by a specified amount and a pair of joint plate supports including two pairs of upper and lower supports movably supporting the other joint plate fixed to the upper and lower ends of a front end of each of the joint plates and a rotative roller in contact with the other joint plate. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
