| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an easily-manufacturable knocking sensor capable of reducing processing cost. Ž<P>SOLUTION: A support member 9 is formed by arranging in the axial direction, a cylindrical body part 13 and a cylindrical collar part 15 having a larger diameter than the body part 13. On the tip side of the body part 13, an upper laminate part 37 acquired by laminating a plurality of plate materials (upper plate materials) 35 in the plate thickness direction is formed. Namely, the body part 13 is constituted in a body of a cylindrical base part 39, and the cylindrical upper laminate part 37. On the other hand, the collar part 15 is constituted in a body of a plate-shaped part 41 projecting from the base end side of the body part 13 toward the outer peripheral side, and a lower laminate part 45 acquired by laminating a plurality of plate materials (lower plate materials) 43 in the plate thickness direction. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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