| 摘要 |
PROBLEM TO BE SOLVED: To make accurately measurable the load on a vehicle, even if an error is generated in a welding position when measuring the load on the vehicle by mounting, using welding, to a member where a load is applied that is expanded and contracted by the application of the load on the vehicle. SOLUTION: A fixing piece 21 for welding to a surface 5a of a trunnion bracket 5 is inflated and formed from the tip part of each base part 17 which is located on an extension line in the longitudinal direction of a substrate 13a of a sensing element 13, that is retained spanning the two base parts 17 and 17 that are connected and can approach or separate via a pair of arch parts 19 and 19 of a base assembly 15, the center line of each fixing piece 21 in the width direction of the base assembly 15 is made to match with the center line of the substrate 13a in the width direction, and the dimensions of each fixing piece 21 in the width direction are made smaller than the dimensions in the width direction within a range where welding positions 23 overlap, when deviating in both width directions by the amount of largest error.
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