| 摘要 |
<P>PROBLEM TO BE SOLVED: To shape a hook so that the spring can easily be engaged and is hardly disengaged. Ž<P>SOLUTION: The hook is formed in a shape where a circular engagement section can be engaged without contacting the back surface of the hook in the process of moving the circular engagement section along the inner surface of the hook from an engaging start position of the hook of the second component to an engaging completion position to engage the circular engagement section at the one end of a pull coil spring to the hook of a first component and then engage the circular engagement section at the other end to the hook of a second component, and furthermore the circular engagement section can not be disengaged unless operations reverse to the above are performed. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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