| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a shield detachment structure allowing an upper shield combined with a lower shield to be easily detached from the lower shield. Ž<P>SOLUTION: The lower shield includes a bottom plate, a lower shield support piece extending downward from the bottom plate, and a fitting piece extending upward from a peripheral edge of the bottom plate. The upper shield includes a top plate, and a claw piece extending downward from a peripheral edge of the top plate at a position engaging with the fitting piece of the bottom plate, and engaging with the fitting piece. The claw piece is structured such that a distal end thereof projects downward from the bottom plate of the lower shield when the upper shield is combined with the lower shield, and the length of the projecting part is set smaller than a length at which the lower shield support piece extends downward from the lower shield bottom plate. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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