| 摘要 |
PROBLEM TO BE SOLVED: To provide the tamperproof mechanism of a board case which makes it difficult to operate a stopper member from the backside of a body member. SOLUTION: The tamperproof mechanism of the board case consists of a case body member 50 which has a lid member attaching groove 54 representing a groove with an L-shaped cross section in an opening and a case lid member 60 which has a securing projection section 62 representing a protrusion projected from the side of the opening. When the securing projection section 62 is inserted in the lid member attaching groove 54 so as to fit the opening of the case body member 50 holding a main control substrate 31 in the inside and the opening of the case lid member 60. When the case lid member 60 is attached to the case body member 50 with a slide movement, the first engagement concave part is engaged with the first engagement nail part to fix and hold the case body member 50 and the case lid member 60 in a stoppage state. COPYRIGHT: (C)2008,JPO&INPIT
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