| 摘要 |
PROBLEM TO BE SOLVED: To improve the operability of a locking confirmation supporting device by preventing a fall-off preventing strap from hindering the opening and closing operation of a cap with a hinge, in a locking confirmation supporting device provided with a key case having the cap with the hinge of which the housed key is tied to the end of the strap. SOLUTION: A small hole is formed in the cap with the hinge. A slip-off stopper like a portable crime prevention buzzer is tied to one end of the strap which goes through the small hole. The other end of the strap is tied to a head of the key. COPYRIGHT: (C)2006,JPO&NCIPI
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