| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a positioning mechanism which freely and easily sets a linear position such as an electric zero position, by equipping it with a rotatable case with a detective coil and a non-circular probe which can be entered freely into the case. SOLUTION: A case 1 of a differential transformer whose inside has a cylindrical detective coil 2, of which one end 1a penetrates through a hole 4 in a first member 3, is fixed with a first screw 6 and a first nut 8. Another end 1b of the case 1 includes a hexagonal, for example, non-circular guide 12, and a non-circular probe 10 which has a core 11 and has sectional configuration corresponding to a guide shape penetrates movably. A second screw 13 at the end of the probe 10 is connected to a screw hole 14a of a second member 14 and a second nut 15. When the nut 8, 15 are loosened and the case 1 is rotated, the probe 10 rotates, a screw 13 goes into or out of the member 14, and an electric zero position is positioned. After the positioning, the position of each member can be detected by moving the material 3, 14.</p> |
