| 摘要 |
PROBLEM TO BE SOLVED: To enable even a powerless person to catch an intruder single-handedly. SOLUTION: A net is attached to a circular loop like a bag. Two semicircles, formed by folding the circular loop turn back into one loop by springs, when a string which has been pulled toward the user's side is released. The net is 1-1.5 m high so that it reaches down to the intruder's feet, even if when it is lowered. Two hooks are provided at the end of the string to pull the loop, and when one of the hooks is pulled, the loop turns into two overlapped semicircles. Another string is turned over around the lower part of the net so that the net is closed, when the hook of the string is pulled. COPYRIGHT: (C)2006,JPO&NCIPI
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