| 摘要 |
<P>PROBLEM TO BE SOLVED: To protect a control circuit board arranged in a casing when a vehicle collides. Ž<P>SOLUTION: A casing case 51 forms a box shape of opening on the installation side to a vehicle. The plate-like control circuit board for controlling an occupant crash protection device for protecting an occupant when the vehicle collides, is fixed in a substantially parallel state by board installing parts 71a-71d by being inserted into the ceiling side in the casing case 51 from its opening. A side surface of this casing case 51 is formed as a structure of thickening a thickness of a side surface 51b on the casing ceiling side more than a thickness of a side surface 51a on the opening side, by dividing a casing side surface into the opening side 51a and the casing ceiling side 51b with a side surface peripheral line H being an installation position of the control circuit board by the board installing parts 71a-71d as a boundary. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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