| 摘要 |
PURPOSE:To improve detecting accuracy without enhancing forming accuracy, by providing cantilever parts, an overlapped part, strain gage parts and the like. CONSTITUTION:Cantilever parts 5a and 5b have a center beam structure. When acceleration acts in the lower direction of an overlapped part 5c, tensile stress is applied on strain gages 7-11, and the resistance values are increased. Compression strain in applied on strain gages 13 and 14, and the resistance values are decreased. Thus, the stress, which corresponds to the acting direction of the acceleration, is applied to the overlapped part 5c. The changes in resistance values corresponding to the stresses at the parts, where the gages are attached, are yielded in the strain gages 7-14. In this way, the detecting accuracy can be improved without enhancing forming accuracy. |
