| 摘要 |
A weight sensor for detecting an occupant seated on a seat includes a long and narrow sensing member having a floor side fixing portion disposed at one end, a seat side fixing portion at the other end and a sensing portion disposed between the floor side fixing portion and the seat side fixing portion and plural strain gages disposed on the sensing portion. The sensing member has stress concentration steps between the floor side fixing portion and the sensing portion and between the seat side fixing portion and the sensing portion. The floor side fixing portion is directly fastened to a seat rail fixed to a floor by fastening bolts, and the seat side fixing portion is directly fastened to a seat frame of the seat by fastening bolts.
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