| 摘要 |
PROBLEM TO BE SOLVED: To completely machine an entire force transmission member from a material block by symmetrically dividing each force transmission member in terms of force, or by composing each force transmission member in a fork shape. SOLUTION: Force transmission members 10, 11, 12, and 13 to 34, 38, 38', and 43 are symmetrically arranged on a center longitudinal surface to a vertical center longitudinal surface being extended through a long lever arm 28 including a coil retention body that is not divided and a load reception body 10, or are geometrically divided in terms of force for symmetrically arranging from the center longitudinal surface at intervals for setting to the component of a uniform material block other than the coil 34, In this case, projection parts 2 and 3 of a substrate 1 are extended among force transmission members 11, 12; 25, 25'; 27, 27'; 29, 29'; 30, 30' that are geometrically divided in terms of force and a symmetrical pad or support places 4, 4'; 5, 5' are formed for one part of the force transmission members 22; 24.
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