| 摘要 |
<p>PURPOSE: To prevent a coil from being assembled erroneously (inversely) and improve the reliability, by making the diameter of one annular flange part of a bobbin larger than that of another annular flange part. CONSTITUTION: The height of a flange part 65 of a bobbin 62 in the radial direction is set larger than that of the other flange part 64. The inner diameter of a bobbin yoke 61 is larger than the diameter of the flange part 64, and at the same time smaller than the diameter of the flange part 65. In fitting the bobbin 62 into the bobbin yoke 61, the bobbin 62 is inserted into the yoke 61 so that the flange part 64 is set inside. In contrast, if the flange part 65 is faced inside to insert the bobbin 62, tone larger diameter of the flange part 65 than the inner diameter of the yoke 61 hinders the bobbin 62 from being inserted into the yoke 61. Accordingly, it is prevented that the bobbin 62 is assembled with the yoke 61 in an erroneous direction.</p> |
