| 摘要 |
<p>Provided before and behind and right and left on a rectangular play floor (11) in an upright manner are a front wall (12), back wall (13), right and left side walls (14, 15). One (15) of the right and left side walls (14, 15) is formed to be movable toward the other side wall (14), and the back wall (13) is formed to be pivotal toward the other side wall (14) about an end thereof on a side of the other side wall (14). Accordingly, a wide and continuous space can be formed from a single court in sport facilities or the like to thereby be used for other uses than a squash game with the result that a limited space is effectively used.</p> |
