| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a simple structure assembled without using an exclusive tool. SOLUTION: A moving core 13, a return spring 14 and a fixed core 15 are inserted into the guide hole 26 of a bobbin 11, on which an exciting coil 12 is wound, in the order. The fixed core 15 is urged in the projecting direction from the bobbin 11 by urging the return spring 14 in this case. A yoke 10 is installed to the bobbin 11 under the state, in which the fixed core 15 is housed in the guide hole 26 so as to be held by formed supporting plates 20, 21. When the mounting section 30 of the bobbin 11 is slid into a guide groove 22 formed to the supporting plate 20 of the yoke 10, the engaging pawls of the mounting section 30 and engaging recessed sections 22a, 22b formed to the guide groove 22 are engaged. The pedestal 38 of the fixed core 15 is engaged with a half die-cut hole 25 formed to the supporting plate 21 in this case.</p> |
