| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve such a problem that a conventional safety belt only to be put around a user's waist puts all his/her weight on his/her waist, which can lead to backache. Ž<P>SOLUTION: The safety belt put around the user's waist is suspended from his/her shoulders with a band so as not to strain his/her waist. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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